Ships and marine technology — Deck machinery — Multifunctional manipulator

This document specifies the classification, requirements, test methods and inspection rules, as well as marking, packaging, shipping and storage requirements for multifunctional manipulators for deck operations (hereinafter referred to as "multifunctional manipulators"). It is applicable to the design, manufacture and acceptance of double folding multifunctional manipulators for clamping and tidying the anchor chain and ropes in deck operations.

Titre manque

General Information

Status
Published
Publication Date
25-Oct-2020
Current Stage
6060 - International Standard published
Start Date
26-Oct-2020
Due Date
28-Mar-2022
Completion Date
26-Oct-2020
Ref Project

Buy Standard

Standard
ISO 24044:2020 - Ships and marine technology -- Deck machinery -- Multifunctional manipulator
English language
12 pages
sale 15% off
Preview
sale 15% off
Preview
Draft
ISO/PRF 24044:Version 25-apr-2020 - Ships and marine technology -- Deck machinery -- Multifunctional manipulator
English language
12 pages
sale 15% off
Preview
sale 15% off
Preview

Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 24044
First edition
2020-10
Ships and marine technology —
Deck machinery — Multifunctional
manipulator
Reference number
ISO 24044:2020(E)
©
ISO 2020

---------------------- Page: 1 ----------------------
ISO 24044:2020(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved

---------------------- Page: 2 ----------------------
ISO 24044:2020(E)

Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Classification . 2
4.1 Structural types . 2
4.2 Product designation . 3
4.3 Appearance . 3
4.4 Basic parameters . 3
5 Requirements . 4
5.1 Design and structure . 4
5.2 Material . 8
5.3 Performance . 8
5.4 Appearance quality . 9
6 Test method .10
6.1 No-load test .10
6.2 Rated load test .10
6.3 Over-load test .10
6.4 Safety protection inspection .10
6.5 Power supply fluctuation .11
6.6 Insulation resistance .11
6.7 Inspection of degrees of protection provided by enclosure (only for electrical cabinet) .11
6.8 Appearance quality .11
7 Marking, packaging, shipping and storage .11
7.1 Nameplate .11
7.2 Warning sign .12
7.3 Packaging .12
7.4 Transportation .12
7.5 Storage .12
© ISO 2020 – All rights reserved iii

---------------------- Page: 3 ----------------------
ISO 24044:2020(E)

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/
iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 8, Ships and marine technology,
Subcommittee SC 4, Outfitting and deck machinery.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2020 – All rights reserved

---------------------- Page: 4 ----------------------
INTERNATIONAL STANDARD ISO 24044:2020(E)
Ships and marine technology — Deck machinery —
Multifunctional manipulator
1 Scope
This document specifies the classification, requirements, test methods and inspection rules, as well
as marking, packaging, shipping and storage requirements for multifunctional manipulators for deck
operations (hereinafter referred to as “multifunctional manipulators”).
It is applicable to the design, manufacture and acceptance of double folding multifunctional
manipulators for clamping and tidying the anchor chain and ropes in deck operations.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 780, Packaging — Distribution packaging — Graphical symbols for handling and storage of packages
ISO 3828, Shipbuilding and marine structures — Deck machinery — Vocabulary and symbols
ISO 13849-1:2015, Safety of machinery — Safety-related parts of control systems — Part 1: General
principles for design
IEC 60529, Degrees of Protection Provided By Enclosure (IP Code)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 3828 and the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at http:// www .electropedia .org/
3.1
jib
second movable arm of the multifunctional manipulator used to lift and hook tension free ropes
3.2
multifunctional head
operating device of the multifunctional manipulator used to grasp, clamp and tidy the anchor chain
and ropes
3.3
multifunctional boom
second movable arm of the multifunctional manipulator used to connect the multifunctional head (3.2)
3.4
main boom
first movable arm of multifunctional manipulator used to connect the slewing tower body and the
second movable arm of the double folding boom
© ISO 2020 – All rights reserved 1

---------------------- Page: 5 ----------------------
ISO 24044:2020(E)

3.5
luffing
movement made by the main boom (3.4), jib (3.1) and multifunctional boom (3.3) of the multifunctional
manipulator in changing the range in a reach direction
3.6
safe working load
SWL
maximum static load (kN) that the multifunctional manipulator can hoist or the multifunctional head
(3.2) operates under design working conditions
3.7
travelling mechanism
mechanism of the travelling multifunctional manipulator used to complete the movement with load
along the guide rail, consisting of carrier, roller train, guide pulley set, travel driving unit, cable reel,
pay-out stand, rail clamping device, speed control valve, buffer, and lubrication line
4 Classification
4.1 Structural types
4.1.1 Multifunctional manipulators can be divided into fixed and travelling types, according to their
structure (installation) form.
4.1.2 Multifunctional manipulators can be divided into multifunctional boom only and combined
multifunctional boom and jib, according to their composition. See Figure 1 and Figure 2.
Key
1 jib 4 multifunctional head
2 multifunctional boom 5 slewing tower body
3 main boom 6 fixed base
Figure 1 — Fixed multifunctional manipulator with combined multifunctional boom and jib
2 © ISO 2020 – All rights reserved

---------------------- Page: 6 ----------------------
ISO 24044:2020(E)

Key
1 multifunctional boom 4 slewing tower body
2 main boom 5 travelling mechanism
3 multifunctional head
Figure 2 — Travelling multifunctional manipulator with multifunctional boom
4.2 Product designation
The multifunctional manipulator shall be designated as shown in the example in Figure 3.
EXAMPLE Designation of a multifunctional manipulator with lifting SWL of 30 kN and maximum working
radius of 12 m, hydraulic-driven, fixed type and double working booms: Multifunctional manipulator
HMF-3012-D
Figure 3 — Product designation example
4.3 Appearance
The colour of the multifunctional manipulator surface shall be uniform, and the outer surface and
the coating layer shall be free from scratching, peeling, cracks and rust. The safe working load (SWL)
designation shall be clearly visible to the operator.
4.4 Basic parameters
The basic parameters of the multifunctional manipulator shall conform to Table 1.
Table 1 — Basic parameters of multifunctional manipulators
Type HMF-2010-D HMF-3012-D HMR-3012-D HMR-3014-D
Lifting (kN) 20 30 30 30
SWL
Multifunctional
(kN) 20
head operation
NOTE φ is the diameter of chain or rope.
© ISO 2020 – All rights reserved 3

---------------------- Page: 7 ----------------------
ISO 24044:2020(E)

Table 1 (continued)
Type HMF-2010-D HMF-3012-D HMR-3012-D HMR-3014-D
Lifting speed (m/s) 0,46
Maximum working radius (m) 10,2 12,2 12,2 14
Minimum working radius (m) 2,6 2,5 2,5 3,4
Slewing angle (°) 360° full slewing
Main boom luffing (°) 0°to 60°
Jib luffing (°) 20°to 150°
Multifunctional boom luffing (°) 20°to 150°
Swinging luffing of the
multifunctional head along (°) 120°
the boom
Self swinging of the
(°) ±40°
multifunctional head
Self slewing luffing of
(°) 360° full slewing
multifunctional head
Size range for multifunctional
(mm) φ50 to φ120
head clamping anchor chain
Size range for multifunctional
(mm) φ50 to φ84
head clamping rope
NOTE φ is the diameter of chain or rope.
5 Requirements
5.1 Design and structure
5.1.1 Environmental conditions
The multifunctional manipulator shall be able to work normally in the following environment:
a) sea state: 4
NOTE According to Pierson - Moskowitz Sea Spectrum and Beaufort Force, sea state 4 means Beaufort
wind force 5, under which condition the significant wave is 6 ft., significant range of periods is 2,5~8,5 s,
average period is 5 s, and average length of vaces is 80 ft.
b) ambient temperature: –25 °C~45 °C
c) vibration and shock generated during the normal operation of the ship.
d) humidity greater than 95 % with oil mist, salt spray, and mildew.
5.1.2 Steel wire rope
The steel wire rope shall be non-rotating steel wire, and the nominal tensile strength of a single steel
wire shall be not less than 1 440 MPa and not greater than 2 200 MPa.
5.1.3 Hook
The hook shall be of rotating type and shall reach the lifting capability of lifting SWL in the design
sea state.
4 © ISO 2020 – All rights reserved

---------------------- Page: 8 ----------------------
ISO 24044:2020(E)

5.1.4 Pulley
5.1.4.1 There shall be a proper inclined angle, which is usually between 35° and 45°, at the pulley rope
groove side and the inclined angle at the pulley rope groove side in Level 4 sea state shall be taken as 40°.
5.1.5 Boom, slewing tower body, base and carrier structure
5.1.5.1 The main boom, jib, and multifunctional boom shall adopt boom structure form with box
shaped and variable section. The boom, slewing tower body, base and carrier shall be subjected to stress
relief treatment after welding.
5.1.5.2 The slewing tower body shall be subjected to watertight inspection.
5.1.6 Slewing mechanism
5.1.6.1 If there are special requirements for the slewing tower body to limit the slewing angle, the
mechanical and electric limits shall be specified.
5.1.6.2 The slewing angle measurement shall be measured using an encoder enclosed inside a
hydraulic/electrical adapter.
5.1.6.3 The slewing mechanism has two slewing hydraulic drive mechanisms which are respectively
arranged on both sides of the lower plane of the slewing tower body. The slewing hydraulic drive
mechanism is composed of a planetary speed reducer, a brake and a gear, and the brake is normally
closed. The slewing hydraulic drive mechanism shall leave 1,5 mm eccentricity with the mounting axis
to ensure that the slewing support meshes well with the slewing hydraulic drive mechanism gear and
compensates for wear during use.
5.1.7 Fixed base/travelling mechanism
5.1.7.1 The fixed base shall be of sufficient rigidity to prevent the system from shaking due to excessive
elastic deformation.
5.1.7.2 For roller trains of the travelling mechanism, the two roller trains mounted on the front and
rear ends of the lower portion of the carrier respectively shall be used, each roller train consisting of one
mounting shaft, four positive rollers, four return rollers and two swing frames, to accommodate to the
vertical plane motion and horizontal yaw of the ship. Travelling drive should adopt the pinion and rack
driving mode.
5.1.7.3 The cable l
...

DRAFT INTERNATIONAL STANDARD
ISO/DIS 24044
ISO/TC 8/SC 4 Secretariat: SAC
Voting begins on: Voting terminates on:
2020-03-16 2020-06-08
Ships and marine technology — Deck machinery —
Multifunctional manipulator
ICS: ISO ics
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
This document is circulated as received from the committee secretariat.
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 24044:2020(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
©
PROVIDE SUPPORTING DOCUMENTATION. ISO 2020

---------------------- Page: 1 ----------------------
ISO/DIS 24044:2020(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2020
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting
on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address
below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved

---------------------- Page: 2 ----------------------
ISO/DIS 24044:2020(E)

Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Classification . 2
4.1 Structural types . 2
4.2 Product designation . 3
5 Requirements . 4
5.1 Design and structure . 4
5.2 Material . 8
5.3 Performance . 8
5.4 Appearance quality . 9
6 Test method .10
6.1 No-load test .10
6.2 Rated load test .10
6.3 Over-load test .10
6.4 Safety protection inspection .10
6.5 Power supply fluctuation .11
6.6 Insulation resistance .11
6.7 Inspection of degrees of protection provided by enclosure (only for electrical cabinet) .11
6.8 Appearance quality .11
7 Marking, packaging, shipping and storage .11
7.1 Nameplate .11
7.2 Warning sign .12
7.3 Packaging .12
7.4 Transportation .12
7.5 Storage .12
© ISO 2020 – All rights reserved iii

---------------------- Page: 3 ----------------------
ISO/DIS 24044:2020(E)

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following
URL: www .iso .org/ iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 8, Ships and marine technology,
Subcommittee SC 4, Outfitting and deck machinery.
iv © ISO 2020 – All rights reserved

---------------------- Page: 4 ----------------------
DRAFT INTERNATIONAL STANDARD ISO/DIS 24044:2020(E)
Ships and marine technology — Deck machinery —
Multifunctional manipulator
1 Scope
This document specifies classifications, requirements, test methods, inspection rules, marking,
packaging, transportation and storage of the multifunctional manipulator for deck operation
(hereinafter referred to as “multifunctional manipulator”).
It is applicable to the design, manufacture and acceptance of the double folding multifunctional
manipulator for clamping and tidying the anchor chain and ropes in deck operation.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 780, Packaging — Distribution packaging — Graphical symbols for handling and storage of packages
ISO 3828, Shipbuilding and marine structures — Deck machinery — Vocabulary and symbols
IEC 60447:2004, Basic and Safety Principles for Man-Machine Interface Marks and Identifications —Actuating
Principles
IEC 60529, Degrees of Protection Provided By Enclosure (IP Code)
ISO 13849-1:2015, Safety of machinery — Safety-related parts of control systems — Part 1: General
principles for design
3 Terms and definitions
For the purpose of this document, the terms and definitions given in ISO 3828 and the following
shall apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— IEC Electropedia: available at http:// www .electropedia .org/
— ISO Online browsing platform: available at https:// www .iso .org/ obp
3.1
jib
second movable arm of the multifunctional manipulator used to lift and hook tension free ropes
3.2
multifunctional head
operating device of the multifunctional manipulator used to grasp, clamp and tidy the anchor chain
and ropes
3.3
multifunctional boom
second movable arm of the multifunctional manipulator used to connect the multifunctional head
© ISO 2020 – All rights reserved 1

---------------------- Page: 5 ----------------------
ISO/DIS 24044:2020(E)

3.4
main boom
first movable arm of multifunctional manipulator used to connect the slewing tower body and the
second movable arm of the double folding boom
3.5
luffing
movement made by the main boom, jib and multifunctional boom of the multifunctional manipulator in
changing the range in a reach direction
3.6
safe working load (SWL)
maximum static load (kN) that the multifunctional manipulator can hoist or the multifunctional head
operates under design working conditions
3.7
travelling mechanism
mechanism of the travelling multifunctional manipulator used to complete the movement with load
along the guide rail, consisting of carrier, roller train, guide pulley set, travel driving unit, cable reel,
pay-out stand, rail clamping device, speed control valve, buffer, lubrication line and other components
4 Classification
4.1 Structural types
4.1.1 The multifunctional manipulator can be divided into fixed and travelling types according to the
structure (installation) form.
4.1.2 The multifunctional manipulator can be divided into two types: multifunctional boom only and
the combination of multifunctional boom and jib according to compositions. See Figure 1 and Figure 2.
Key
1 jib 4 multifunctional head
2 multifunctional boom 5 slewing tower body
3 main boom 6 fixed base
Figure 1 — Fixed multifunctional manipulator with multifunctional boom and jib
2 © ISO 2020 – All rights reserved

---------------------- Page: 6 ----------------------
ISO/DIS 24044:2020(E)

Key
1 multifunctional boom 4 slewing tower body
2 main boom 5 travelling mechanism
3 multifunctional head
Figure 2 — Travelling multifunctional manipulator with multifunctional boom
4.2 Product designation
4.2.1 Designation
The multifunctional manipulator shall be designated as follows:
4.2.2 Designation example
Designation of a multifunctional manipulator with lifting SWL of 30 kN and maximum working radius
of 12 m, hydraulic-driven, fixed type and double working booms:
Multifunctional manipulator HMF-3012-D
4.2.3 Appearance
The color of the multifunctional manipulator surface shall be uniform, and the outer surface and the
coating layer shall be free from scratching, peeling, cracks and rust. The SWL logo shall be clearly
visible to the operator.
4.3 Basic parameters
The basic parameters of the multifunctional manipulator shall conform to Table 1.
© ISO 2020 – All rights reserved 3

---------------------- Page: 7 ----------------------
ISO/DIS 24044:2020(E)

Table 1 — Basic parameters of multifunctional manipulator
Type HMF-2010-D HMF-3012-D HMR-3012-D HMR-3014-D
Lifting (kN) 20 30 30 30
SWL
Multifunctional
(kN) 20
head operation
Lifting speed (m/s) 0.46
Maximum working radius (m) 10,2 12,2 12,2 14
Minimum working radius (m) 2,6 2,5 2,5 3,4
Slewing angle (°) 360° full slewing
Main boom luffing (°) 0°~ 60°
Jib luffing (°) 20°~ 150°
Multifunctional boom luffing (°) 20°~ 150°
Swinging luffing of the multifunc-
(°) 120°
tional head along the boom
Self swinging of the multifunctional
(°) ±40°
head
Self slewing luffing of multifunc-
(°) 360° full slewing
tional head
Size range for multifunctional head
(mm) φ50~φ120
clamping anchor chain
Size range for multifunctional head
(mm) φ50~φ84
clamping rope
5 Requirements
5.1 Design and structure
5.1.1 Environmental conditions
The multifunctional manipulator shall be able to work normally in the following environment:
a) sea state: Level 4
b) ambient temperature: -25 °C~45 °C
c) vibration and shock generated during the normal operation of the ship
d) humidity greater than 95 % with oil mist, salt spray, and mildew
5.1.2 Steel wire rope
The steel wire rope shall be non-rotating steel wire, and the nominal tensile strength of a single steel
wire shall be not less than 1 440 MPa and not greater than 2 200 MPa.
5.1.3 Hook
The hook shall be of rotating type and shall reach the lifting capability of lifting SWL in the design
sea state.
5.1.4 Pulley
5.1.4.1 There shall be a proper inclined angle , which is usually between 35° and 45°, at the pulley rope
groove side and the inclined angle at the pulley rope groove side in Level 4 sea state shall be taken as 40°.
4 © ISO 2020 – All rights reserved

---------------------- Page: 8 ----------------------
ISO/DIS 24044:2020(E)

5.1.5 Boom, slewing tower body, base and carrier structure
5.1.5.1 The main boom, jib, multifunctional boom, etc. shall adopt box shaped variable section boom
structure. The boom, slewing tower body, base and carrier shall be subjected to stress relief treatment
after welding.
5.1.5.2 The slewing tower body shall be subjected to watertight inspection.
5.1.6 Slewing mechanism
5.1.6.1 If there are special requirements for the slewing tower body to limit the slewing angle, the
mechanical and electric limits shall be set.
5.1.6.2 The slewing angle measurement shall be measured using an encoder enclosed inside a
hydraulic/electrical adapter.
5.1.6.3 The slewing mechanism has two slewing hydraulic drive mechanisms which are respectively
arranged on both sides of the lower plane of the slewing tower body. The slewing hydraulic drive
mechanism is composed of a planetary speed reducer, a brake and a gear, and the brake is normally
closed. The slewing hydraulic drive mechanism shall leave 1,5 mm eccentricity with the mounting axis
to ensure that the slewing support meshes well with the slewing hydraulic drive mechanism gear and
compensates for wear during use.
5.1.7 Fixed base/travelling mechanism
5.1.7.1 The fixed base shall be of sufficient rigidity to prevent the system from shaking due to excessive
elastic deformation.
5.1.7.2 For roller trains of the travelling mechanism, the two roller trains mounted on the front and
rear ends of the lower portion of the carrier respectively shall be used, each roller train consisting of one
mounting shaft, four positive rollers, four return rollers and two swing frames, to accommodate to the
vertical plane motion and horizontal yaw of the ship. Travelling drive should adopt the pinion and rack
driving mode.
5.1.7.3 The cable length of the cable reel on the travelling mechanism is one-half of the travelling
stroke of the travelling multifunctional manipu
...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.