CN114044450A - Integral quick-release device and method for supporting arm system and crane - Google Patents

Integral quick-release device and method for supporting arm system and crane Download PDF

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Publication number
CN114044450A
CN114044450A CN202111359369.8A CN202111359369A CN114044450A CN 114044450 A CN114044450 A CN 114044450A CN 202111359369 A CN202111359369 A CN 202111359369A CN 114044450 A CN114044450 A CN 114044450A
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CN
China
Prior art keywords
guide rail
base
pulling plate
slideway
crane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202111359369.8A
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Chinese (zh)
Other versions
CN114044450B (en
Inventor
孙永胜
张志华
李�瑞
王亚凯
李纲
赵东源
雷明杰
吕明华
刘剑
宋少宾
浮志远
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou New Dafang Heavy Industries and Technology Co Ltd
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Zhengzhou New Dafang Heavy Industries and Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN202111359369.8A priority Critical patent/CN114044450B/en
Publication of CN114044450A publication Critical patent/CN114044450A/en
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Publication of CN114044450B publication Critical patent/CN114044450B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/06Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/04Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
    • B66C13/08Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/16Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs supported by columns, e.g. towers having their lower end mounted for slewing movements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/62Constructional features or details
    • B66C23/82Luffing gear

Abstract

The invention discloses an integral quick-release device and a quick-release method for a supporting arm system and a crane, wherein the integral quick-release device for the supporting arm system comprises a bracket system, a connecting system and a power system, wherein: the support system comprises a guide rail, a pulling plate, a sliding seat and a movable trolley, wherein one end of the guide rail is rotatably connected with the left side of the base, the other end of the guide rail is connected with the sliding seat fixed on the right side of the base through the pulling plate, the sliding seat is provided with a slideway extending in the left-right direction, and the free end of the pulling plate is in sliding fit with the slideway; the movable trolley is arranged on the guide rail and is in sliding fit with the guide rail, and a pulley is arranged on the movable trolley; the connecting system comprises a steel wire rope, the steel wire rope passes through a pulley on the movable trolley, and two ends of the steel wire rope are detachably connected with the winch; the power system drives the moving trolley to move along the guide rail. The invention realizes the integral disassembly of the supporting arm system and the winch without winding ropes one by one, realizes the disassembly of parts without winding steel wire ropes, can obviously improve the disassembly and assembly efficiency and increases the practicability of the crane.

Description

Integral quick-release device and method for supporting arm system and crane
Technical Field
The invention relates to the field of engineering machinery, in particular to an integral quick-release device and a quick-release method for a supporting arm system and a crane.
Background
The crane for wind power hoisting requires frequent crane position turning. With the continuous development and change of wind power technology, a wind turbine generator develops towards a direction that a tower is higher, power is higher and blades are longer, and a large crane is needed to meet the requirement of hoisting a fan. In the process of turning the machine position, the whole large crane is more and more difficult to move, especially in the wind field environment with complex terrain.
The crane meets the hoisting in a larger range through amplitude change, the steel wire rope pulley block is a common amplitude change form, the amplitude change is realized through the length change of the steel wire rope between the movable pulley block arranged at the end part of the movable arm and the fixed pulley block arranged on the fixed support, and a winch for realizing the winding and unwinding of the steel wire rope is generally arranged on the rotary table. The crane with the amplitude-variable form is arranged, in the process of dismounting and mounting the whole crane, the general mode is that firstly, the crane is changed into the dismounting and mounting state, then the steel wire rope is wound on the winch, then all the parts are dismounted according to the sequence, hauled or automatically moved to the next working place by the plate trailer, then all the parts are assembled in sequence and wound by the steel wire rope, and finally, the dismounting and mounting efficiency is low.
Disclosure of Invention
The invention provides an integral quick-release device and a quick-release method for a supporting arm system and a crane, aiming at solving the problems in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a whole quick detach device of arm brace system, includes revolving stage, body of the tower, cantilever crane and arm brace system and hoist engine, and the hoist engine is installed on the revolving stage, and the hoist engine is connected through becoming width of cloth rope with the arm brace system, and body of the tower top demountable installation has a base, and cantilever crane and arm brace system all connect on the base, the whole quick detach device of arm brace system includes braced system, connected system and driving system, wherein:
the support system comprises a guide rail, a pulling plate, a sliding seat and a movable trolley, wherein one end of the guide rail is rotatably connected with the left side of the base, the other end of the guide rail is connected with the sliding seat fixed on the right side of the base through the pulling plate, the sliding seat is provided with a slideway extending in the left-right direction, and the free end of the pulling plate is in sliding fit with the slideway; when the free end of the pulling plate is positioned on the left side of the slideway, the pulling plate drives the guide rail to enable the guide rail to be in a horizontal state; when the free end of the pulling plate is positioned on the right side of the slideway, the pulling plate drives the guide rail to enable the guide rail to be in a vertical state, and the free end of the pulling plate is locked with the base; the movable trolley is arranged on the guide rail and is in sliding fit with the guide rail, and a pulley is arranged on the movable trolley;
the connecting system comprises a steel wire rope, the steel wire rope passes through a pulley on the movable trolley, and two ends of the steel wire rope are detachably connected with the winch;
the power system drives the moving trolley to move along the guide rail.
Furthermore, the guide rail is connected with the base through a guide rail supporting seat, the guide rail supporting seat is fixed on the base, and the guide rail is rotatably connected with the guide rail supporting seat.
Furthermore, the base is provided with an ear plate at a position corresponding to the right side of the slideway, and when the free end of the pulling plate is positioned at the right side of the slideway, the free end of the pulling plate is locked with the ear plate through a bolt.
Further, the power system comprises an oil cylinder or a lead screw which is arranged in parallel with the guide rail.
The invention also discloses a crane which comprises the integral quick-release device for the supporting arm system.
The invention also discloses a method for quickly disassembling the whole supporting arm system, which is based on the device for quickly disassembling the whole supporting arm system and comprises the following steps:
(1) the crane is initially in a working state, the tower body is vertically arranged on the rotary table at the moment, the free end of a pull plate in the support system is positioned on the left side of the slideway, and the pull plate drives the guide rail to enable the guide rail to be in a horizontal state;
(2) the crane is changed to a disassembly and assembly state, the tower body is separated from the rotary table at first, and the tower body is laid flat; then the free end of a pulling plate of the bracket system moves to the right side of the slideway, the pulling plate drives the guide rail to enable the guide rail to be in a vertical state, and the free end of the pulling plate is locked with the base;
(3) connecting a steel wire rope of the connecting system with a winch by bypassing a pulley on the movable trolley, detaching a connecting pin shaft of the winch and the rotary table, and after adjusting the posture and the height of the winch, actuating the power system to drive the movable trolley to horizontally move so as to separate the winch from the rotary table;
(4) the base is separated from the tower body, the arm support is separated from the base, the supporting arm system and the winch are integrally detached by the auxiliary crane, and the transportation state of the supporting arm system is changed as required.
The invention has the beneficial effects that:
the invention realizes the integral disassembly of the supporting arm system and the winch without winding ropes one by one, realizes the disassembly of parts without winding steel wire ropes, can obviously improve the disassembly and assembly efficiency and increases the practicability of the crane.
Drawings
FIG. 1 is a schematic view of the working state of the whole machine of the present invention;
FIG. 2 is a schematic view of the complete machine in a disassembled and assembled state;
FIG. 3 is an enlarged view of the quick release device of the entire boom system of FIG. 1;
FIG. 4 is a right side view of FIG. 3;
FIG. 5 is an enlarged view of the quick release device of the entire boom system of FIG. 2;
FIG. 6 is a schematic view of the connection between the integrated quick release device and the winch of the boom system of FIG. 2;
fig. 7 is a schematic view of the connection between the quick release device and the winch after the power system operates.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
As shown in fig. 1 to 7, the device for quickly disassembling the whole supporting arm system of the embodiment includes a rotary table 10, a tower body 20, an arm support 30, an arm support system 40, and a winch 50, where the winch 50 is installed on the rotary table 10, the winch 50 is connected with the arm support system 40 through an amplitude rope, a base 60 is detachably installed on the top of the tower body 20, and the arm support 30 and the arm support system 40 are both connected to the base 60.
The whole quick detach device of brace system includes mounting system, connected system and driving system, wherein:
the support system comprises a guide rail 1, a pull plate 2, a sliding seat 3 and a movable trolley 4, one end of the guide rail 1 is rotatably connected with the left side of a base 60, the other end of the guide rail 1 is connected with the sliding seat 3 fixed on the right side of the base 60 through the pull plate 2, a slideway 31 extending in the left-right direction is arranged on the sliding seat 3, and the free end of the pull plate 2 is in sliding fit with the slideway 31; when the free end of the pulling plate 2 is positioned at the left side of the slideway 31, the pulling plate 2 drives the guide rail 1 to ensure that the guide rail 1 is in a horizontal state; when the free end of the pulling plate 2 is positioned at the right side of the slideway 31, the pulling plate 2 drives the guide rail 1 to enable the guide rail 1 to be in a vertical state, and the free end of the pulling plate 2 is locked with the base 60; the movable trolley 4 is arranged on the guide rail 1 and is in sliding fit with the guide rail, and a pulley 5 is arranged on the movable trolley 4.
In this embodiment, the guide rail 1 is connected to the base 60 through the guide rail support base 6, the guide rail support base 6 is fixed to the base 60, and the guide rail 1 is rotatably connected to the guide rail support base 6.
In this embodiment, the base 60 is provided with an ear plate 7 at a position corresponding to the right side of the slideway 31, and when the free end of the pulling plate 2 is located at the right side of the slideway 31, the free end of the pulling plate 2 is locked with the ear plate 7 through a bolt.
The connecting system comprises a steel wire rope 8, the steel wire rope 8 passes through the pulley 5 on the movable trolley, and two ends of the steel wire rope 8 are detachably connected with the winch 50;
the power system drives the moving trolley 4 to move along the guide rail 1.
In this embodiment, the power system comprises a cylinder 9 arranged parallel to the guide rail. It may also be a lead screw or the like.
The embodiment also discloses a method for quickly disassembling the whole supporting arm system, which is based on the device for quickly disassembling the whole supporting arm system and comprises the following steps:
(1) the crane is initially in a complete machine working state, at the moment, the tower body 20 is vertically installed on the rotary table 10, the free end of the pull plate 2 in the support system is located on the left side of the slideway 31, and the pull plate 2 drives the guide rail 1 to enable the guide rail 1 to be in a horizontal state (the complete machine state is shown in fig. 1, and the integral quick-release device state of the support arm system is shown in fig. 3);
(2) the crane is changed to the dismounting state, firstly the tower body 20 is separated from the rotary table 10, and the tower body 20 is laid flat; then the free end of the pulling plate 2 of the bracket system moves to the right side of the slideway, the pulling plate 2 drives the guide rail 1 to ensure that the guide rail 1 is in a vertical state, and the free end of the pulling plate 2 is locked with the base 60 (the state is shown in figure 4);
(3) connecting a steel wire rope 8 of the connecting system with a winch 50 by bypassing a pulley 5 on the movable trolley 4 (the state is shown in figure 5), detaching the connecting pin shaft of the winch 50 and the rotary table 10, and after adjusting the posture and the height of the winch, actuating the power system to drive the movable trolley 4 to horizontally move so as to separate the winch 50 from the rotary table (the state is shown in figure 6);
(4) the base 60 is separated from the tower body 20, the arm support 30 is separated from the base 60, the support arm system 40 and the hoist 50 are integrally detached by the auxiliary crane, and the transportation state of the support arm system is changed as required.
The invention realizes the integral disassembly of the supporting arm system and the winch without winding ropes one by one, realizes the disassembly of parts without winding steel wire ropes, can obviously improve the disassembly and assembly efficiency and increases the practicability of the crane.
As shown in fig. 1, the embodiment further discloses a crane, which includes the integral quick release device of the boom system. The invention is not limited to cranes, and any engineering machine using the integral quick-release device of the supporting arm system is within the protection scope of the invention.
The arm supporting system 40 of the embodiment includes a horizontal arm supporting and a diagonal arm supporting, and therefore two sets of amplitude varying systems are correspondingly provided, wherein one set of amplitude varying systems realizes pitching change of the arm support, the other set of amplitude varying systems realizes self-lifting of the arm support, the pulley block is arranged on the arm supporting system, the winch is arranged on the rotary table, and the two sets of winches share the rack.
The crane of the embodiment is applied to wind power installation, and can be completely self-propelled under the condition allowed by environmental conditions, so that the rapid machine position rotation is realized. When the bearing of the road surface is limited, the gradient of the road is over-limited or the whole machine cannot travel by itself in the air, the machine position conversion is realized by disassembling.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention and it is intended to cover in the claims the invention as defined in the appended claims.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "rear", "upper", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the scope of the present invention.

Claims (6)

1. The utility model provides a whole quick detach device of arm brace system, includes revolving stage, body of the tower, cantilever crane and arm brace system and hoist engine, and the hoist engine is installed on the revolving stage, and the hoist engine is connected through becoming width of cloth rope with the arm brace system, and body of the tower top demountable installation has a base, and cantilever crane and arm brace system all connect on the base, its characterized in that: the whole quick detach device of brace system includes mounting system, connected system and driving system, wherein:
the support system comprises a guide rail, a pulling plate, a sliding seat and a movable trolley, wherein one end of the guide rail is rotatably connected with the left side of the base, the other end of the guide rail is connected with the sliding seat fixed on the right side of the base through the pulling plate, the sliding seat is provided with a slideway extending in the left-right direction, and the free end of the pulling plate is in sliding fit with the slideway; when the free end of the pulling plate is positioned on the left side of the slideway, the pulling plate drives the guide rail to enable the guide rail to be in a horizontal state; when the free end of the pulling plate is positioned on the right side of the slideway, the pulling plate drives the guide rail to enable the guide rail to be in a vertical state, and the free end of the pulling plate is locked with the base; the movable trolley is arranged on the guide rail and is in sliding fit with the guide rail, and a pulley is arranged on the movable trolley;
the connecting system comprises a steel wire rope, the steel wire rope passes through a pulley on the movable trolley, and two ends of the steel wire rope are detachably connected with the winch;
the power system drives the moving trolley to move along the guide rail.
2. The integral quick-release device for the supporting arm system as claimed in claim 1, wherein: the guide rail is connected with the base through the guide rail supporting seat, the guide rail supporting seat is fixed on the base, and the guide rail is rotatably connected with the guide rail supporting seat.
3. The integral quick-release device for the supporting arm system as claimed in claim 1, wherein: the base is provided with an ear plate corresponding to the right side of the slideway, and when the free end of the pull plate is positioned on the right side of the slideway, the free end of the pull plate is locked with the ear plate through a bolt.
4. The integral quick-release device for the supporting arm system as claimed in claim 1, wherein: the power system comprises an oil cylinder or a lead screw which is arranged in parallel with the guide rail.
5. A crane, characterized by: an integral quick release device for a brace arm system comprising any one of claims 1-4.
6. A method for quickly disassembling an integral supporting arm system based on the device for quickly disassembling an integral supporting arm system as claimed in any one of claims 1 to 4, is characterized by comprising the following steps:
(1) the crane is initially in a working state, the tower body is vertically arranged on the rotary table at the moment, the free end of a pull plate in the support system is positioned on the left side of the slideway, and the pull plate drives the guide rail to enable the guide rail to be in a horizontal state;
(2) the crane is changed to a disassembly and assembly state, the tower body is separated from the rotary table at first, and the tower body is laid flat; then the free end of a pulling plate of the bracket system moves to the right side of the slideway, the pulling plate drives the guide rail to enable the guide rail to be in a vertical state, and the free end of the pulling plate is locked with the base;
(3) connecting a steel wire rope of the connecting system with a winch by bypassing a pulley on the movable trolley, detaching a connecting pin shaft of the winch and the rotary table, and after adjusting the posture and the height of the winch, actuating the power system to drive the movable trolley to horizontally move so as to separate the winch from the rotary table;
(4) the base is separated from the tower body, the arm support is separated from the base, the supporting arm system and the winch are integrally detached by the auxiliary crane, and the transportation state of the supporting arm system is changed as required.
CN202111359369.8A 2021-11-17 2021-11-17 Integral quick-dismantling device and method for arm support system and crane Active CN114044450B (en)

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Application Number Priority Date Filing Date Title
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CN114044450B CN114044450B (en) 2024-01-19

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008150159A (en) * 2006-12-18 2008-07-03 Koshihara:Kk Jib crane
JP2009046249A (en) * 2007-08-20 2009-03-05 Maeda Seisakusho Co Ltd Field assembly type simple crane and its assembling method
CN201301179Y (en) * 2008-10-23 2009-09-02 徐州重型机械有限公司 Crawler crane self-dismounting device
CN102190255A (en) * 2011-06-15 2011-09-21 郑州新大方重工科技有限公司 Crane
CN102358580A (en) * 2011-08-12 2012-02-22 中联重科股份有限公司 Folding jib structure and method for unfolding and folding the same
CN103318774A (en) * 2013-06-04 2013-09-25 三一汽车起重机械有限公司 Self-assembly/self-disassembly hoisting device, crane and self-assembly/self-disassembly method of hoister
CN103420281A (en) * 2013-07-24 2013-12-04 三一汽车起重机械有限公司 Disassembly and assembly device, disassembly method and mounting method for crane and accessory structures thereof
WO2014043995A1 (en) * 2012-09-21 2014-03-27 湖南三一智能控制设备有限公司 Split type crane
CN103848360A (en) * 2013-09-29 2014-06-11 国家电网公司 Assembled tower type crane with mobile balancing weight system
CN207844936U (en) * 2017-12-29 2018-09-11 郑州安正达租赁股份有限公司 A kind of auxiliary lifting devices of tower crane attached mounting-demounting
CN110963425A (en) * 2020-01-07 2020-04-07 郑州科润机电工程有限公司 Amplitude-variable movable pulley block retracting device convenient for transition
CN211110733U (en) * 2019-11-29 2020-07-28 郑州科润机电工程有限公司 Rigid amplitude-variable inhaul cable system of movable-arm crane

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008150159A (en) * 2006-12-18 2008-07-03 Koshihara:Kk Jib crane
JP2009046249A (en) * 2007-08-20 2009-03-05 Maeda Seisakusho Co Ltd Field assembly type simple crane and its assembling method
CN201301179Y (en) * 2008-10-23 2009-09-02 徐州重型机械有限公司 Crawler crane self-dismounting device
CN102190255A (en) * 2011-06-15 2011-09-21 郑州新大方重工科技有限公司 Crane
CN102358580A (en) * 2011-08-12 2012-02-22 中联重科股份有限公司 Folding jib structure and method for unfolding and folding the same
WO2014043995A1 (en) * 2012-09-21 2014-03-27 湖南三一智能控制设备有限公司 Split type crane
CN103318774A (en) * 2013-06-04 2013-09-25 三一汽车起重机械有限公司 Self-assembly/self-disassembly hoisting device, crane and self-assembly/self-disassembly method of hoister
CN103420281A (en) * 2013-07-24 2013-12-04 三一汽车起重机械有限公司 Disassembly and assembly device, disassembly method and mounting method for crane and accessory structures thereof
CN103848360A (en) * 2013-09-29 2014-06-11 国家电网公司 Assembled tower type crane with mobile balancing weight system
CN207844936U (en) * 2017-12-29 2018-09-11 郑州安正达租赁股份有限公司 A kind of auxiliary lifting devices of tower crane attached mounting-demounting
CN211110733U (en) * 2019-11-29 2020-07-28 郑州科润机电工程有限公司 Rigid amplitude-variable inhaul cable system of movable-arm crane
CN110963425A (en) * 2020-01-07 2020-04-07 郑州科润机电工程有限公司 Amplitude-variable movable pulley block retracting device convenient for transition

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