CN110615370B - Automatic tensioning device and method for winch rope - Google Patents

Automatic tensioning device and method for winch rope Download PDF

Info

Publication number
CN110615370B
CN110615370B CN201910767197.4A CN201910767197A CN110615370B CN 110615370 B CN110615370 B CN 110615370B CN 201910767197 A CN201910767197 A CN 201910767197A CN 110615370 B CN110615370 B CN 110615370B
Authority
CN
China
Prior art keywords
rope
winch
tensioning device
sliding
fixed
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.)
Active
Application number
CN201910767197.4A
Other languages
Chinese (zh)
Other versions
CN110615370A (en
Inventor
宋晓磊
江明
杨磊
郝玉靖
樊东峰
王政伟
李洋
姜云飞
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 Luchi Machinery Equipment Co ltd
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
State Grid Henan Electric Power Co Ltd
Original Assignee
Zhengzhou Luchi Machinery Equipment Co ltd
State Grid Corp of China SGCC
China Electric Power Research Institute Co Ltd CEPRI
State Grid Henan Electric Power 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.)
Filing date
Publication date
Application filed by Zhengzhou Luchi Machinery Equipment Co ltd, State Grid Corp of China SGCC, China Electric Power Research Institute Co Ltd CEPRI, State Grid Henan Electric Power Co Ltd filed Critical Zhengzhou Luchi Machinery Equipment Co ltd
Priority to CN201910767197.4A priority Critical patent/CN110615370B/en
Publication of CN110615370A publication Critical patent/CN110615370A/en
Application granted granted Critical
Publication of CN110615370B publication Critical patent/CN110615370B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28Other constructional details
    • B66D1/40Control devices
    • B66D1/48Control devices automatic
    • B66D1/50Control devices automatic for maintaining predetermined rope, cable, or chain tension, e.g. in ropes or cables for towing craft, in chains for anchors; Warping or mooring winch-cable tension control
    • B66D1/505Control devices automatic for maintaining predetermined rope, cable, or chain tension, e.g. in ropes or cables for towing craft, in chains for anchors; Warping or mooring winch-cable tension control electrical
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/54Safety gear
    • B66D1/56Adaptations of limit switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)

Abstract

The application relates to an automatic tensioning device and a method for a grinding rope, comprising the following steps: a slide way (3) fixed on the I-shaped front supporting leg (4-1) and the I-shaped rear supporting leg (4-2), and a sliding tensioning device (1) arranged on the slide way (3); the sliding tensioning device (1) is connected with the I-shaped rear supporting leg (4-2) through a constant force spring (2); according to the application, the automatic tensioning of the winch tail rope is realized through feedback control, and the winch tail rope is replaced by manual traction, so that the winch tail rope can be widely applied to main winch types, the safety and reliability of construction operation are improved, the manpower input is reduced, the continuous tensioning force is ensured, and the construction safety is improved.

Description

Automatic tensioning device and method for winch rope
Technical Field
The application relates to the technical field of power transmission and transformation engineering, in particular to an automatic tensioning device and method for a winch rope.
Background
The winch is small traction equipment used under the condition that no power is supplied to the construction site of the power transmission and transformation group tower. The winch is generally driven by a diesel engine or a gasoline engine as a power source to drive the winding drum, and traction operation is realized through the wound steel wire rope. The twisting and grinding device is widely used for hoisting the assembly iron tower in the tower assembly construction besides being used for tightening wires to adjust wire sag, hoisting insulator strings, paying-off pulleys and the like during the wire assembly operation. The development and the use of the winch effectively reduce the labor intensity of construction operators, improve the working efficiency of line construction and improve the technical level of power transmission and transformation engineering construction.
The grinding machine can be divided into a mechanical grinding machine and a hydraulic grinding machine according to a transmission mode, wherein the mechanical grinding machine is most commonly used. The mechanical winch power source is a gasoline engine, and is driven by gear meshing, and the winding of the steel wire rope is realized through the rotation of the winding drum. The mechanical winch realizes the output power and traction speed difference through the combination of a plurality of groups of different gear ratios, and has small speed change range and fixed speed change ratio.
Disclosure of Invention
Aiming at the defects of the prior art, the application aims to provide an automatic tensioning device and method for a winch rope, which realize automatic tensioning of the winch tail rope through feedback control, replace manual traction, can be widely applied to main winch types, improve the safety and reliability of construction operation, reduce the manpower input, ensure continuous tensioning force and improve the construction safety.
The application aims at adopting the following technical scheme:
in the present application, an automatic tensioning device for a skein rope, the improvement comprising: a slide way (3) fixed on the I-shaped front supporting leg (4-1) and the I-shaped rear supporting leg (4-2), and a sliding tensioning device (1) arranged on the slide way (3); the sliding tensioning device (1) is connected with the I-shaped rear supporting leg (4-2) through a constant force spring (2).
Preferably, the sliding tensioner (1) comprises: the device comprises a sliding tensioning device frame (1-1), a motor (1-2), a friction wheel (1-3), a rope guiding device (1-4), a compression release spring (1-5), a compressor (1-6), a limit switch (1-7), a gear speed regulator (1-8), a fixed rack (1-9), a power supply control box (1-10) and a control switch (1-11).
Further, the sliding tensioner frame (1-1) includes: the front sliding plate (1-1-1) and the rear sliding plate (1-1-2) which are connected with the slideway (3), the front supporting column (1-1-3) and the rear supporting column (1-1-4) are respectively and vertically arranged at one of three parts of the front sliding plate (1-1-1) and the rear sliding plate (1-1-2), grooves are respectively arranged above the front supporting column (1-1-3) and the rear supporting column (1-1-4), the front and rear sides of the first supporting plate (1-1-5) are arranged in the grooves, the second supporting plate (1-1-6) is arranged at the middle parts of the left sides of the front supporting column (1-1-3) and the rear supporting column (1-1-4) and can move up and down, and the third supporting plate (1-1-7) is arranged at the bottoms of the front supporting column (1-1-3) and the rear supporting column (1-1-4).
Further, the upper parts of the compression release springs (1-5) are respectively fixed at the two ends of the right side of the second supporting plate (1-1-6), and the lower parts of the compression release springs are respectively fixed on the third supporting plate (1-1-7).
Further, the compactor (1-6) comprises: the pressing handle (1-6-1) is respectively fixed on the left side of the third supporting plate, the pressing handle (1-6-1) is connected with the bottom of the roller shaft (1-6-2), the upper portion of the roller shaft (1-6-2) is connected with the pressing nut (1-6-3), the pressing nut (1-6-3) is respectively positioned on the lower portion between the friction wheels (1-3) on the second supporting plate (1-1-6), and the friction wheels on the two supporting plates are locked when the pressing handle (1-6-1) is tensioned to press the ropes.
Further, the rope guide (1-4) comprises: a single rope guiding device (1-4-1) arranged at the left part of the groove of the front support column (1-1-3) and an L-shaped double rope guiding device (1-4-2) arranged at the left part of the front end of the second support column (1-1-6) are used for controlling the direction of ropes.
Preferably, the upper parts of the inner sides of the I-shaped front supporting leg (4-1) and the I-shaped rear supporting leg (4-2) are respectively provided with a limit baffle (5) which is matched with two limit switches (1-7) fixed on the left side of the third supporting plate (1-1-7).
Further, the power supply control box (1-10) is fixed at the bottom of the third supporting plate (1-1-7) and is provided with a control switch (1-11).
Further, the gear speed regulator (1-8) is fixed at the rear end of the right side of the third supporting plate (1-1-7) and meshed with the fixed rack (1-9) at the lower part of the slideway (3).
In the present application, an automatic tensioning method for a skein rope, the improvement comprising:
(1) When the winch is in a traction working condition, the rope moves from the winch side to the rope coiling side, and at the moment, the motor (1-2) rotates at a high speed to drive the rope to move to the rope coiling side so as to realize rope coiling;
(2) If the winch is decelerating, the whole sliding tensioning device (1) slides to the winch side, and is meshed with the fixed rack (1-9) through the gear speed regulator (1-8) to regulate the speed, so that the rotating speed of the motor (1-2) is slower and slower, and the speed is matched with the winch speed;
(3) If the winch is suspended and the rope keeps tension, the sliding tensioning device (1) integrally slides to one end of the slideway (3), the limit switch (1-7) touches the limit baffle (5), the feedback signal turns off the power supply of the motor (1-2), and the device is static;
(4) If the winch is in rope paying-off operation after suspension, the rope is required to move from the rope coiling side to the winch side, and the motor (1-2) is disconnected, and damping is provided for the rope by virtue of the friction wheel to maintain the rope tension.
Compared with the closest prior art, the application has the following beneficial effects:
the automatic tensioning device and the method for the grinding rope can automatically achieve matching with the grinding speed through feedback control; the method has no requirement on applicable wringing mill, can be widely applied to main stream wringing mill, and can be compatible with phi 8-phi 16 steel wire ropes commonly used for wringing mill during construction; the construction operation safety and reliability are improved, the labor input is reduced, and the continuous tension can be ensured.
Drawings
Fig. 1 is a schematic view of an automatic tensioning device for a reeled rope according to the present application;
FIG. 2 is a schematic diagram of an automatic tensioning device for a reeled rope according to the present application;
FIG. 3 is a schematic side view of an upper slide tensioner of the present application;
fig. 4 is a schematic side view of the undershot tensioner of the present application.
Detailed Description
The following describes the embodiments of the present application in further detail with reference to the drawings.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The present application provides an automatic tensioning device for a reeled rope, as shown in fig. 1, the device comprising: a slide way (3) fixed on the I-shaped front supporting leg (4-1) and the I-shaped rear supporting leg (4-2), and a sliding tensioning device (1) arranged on the slide way (3); the sliding tensioning device (1) is connected with the I-shaped rear supporting leg (4-2) through a constant force spring (2).
Preferably, the sliding tensioner (1) comprises: as shown in fig. 2, 3 and 4, the sliding tensioner comprises a frame (1-1), a motor (1-2), a friction wheel (1-3), a rope guiding device (1-4), a compression release spring (1-5), a compressor (1-6), a limit switch (1-7), a gear speed regulator (1-8), a fixed rack (1-9), a power supply control box (1-10) and a control switch (1-11).
Specifically, the sliding tensioner frame (1-1) includes: the front sliding plate (1-1-1) and the rear sliding plate (1-1-2) which are connected with the slideway (3), the front supporting column (1-1-3) and the rear supporting column (1-1-4) are respectively and vertically arranged at one of three parts of the front sliding plate (1-1-1) and the rear sliding plate (1-1-2), grooves are respectively arranged above the front supporting column (1-1-3) and the rear supporting column (1-1-4), the front and rear sides of the first supporting plate (1-1-5) are arranged in the grooves, the second supporting plate (1-1-6) is arranged at the middle parts of the left sides of the front supporting column (1-1-3) and the rear supporting column (1-1-4) and can move up and down, and the third supporting plate (1-1-7) is arranged at the bottoms of the front supporting column (1-1-3) and the rear supporting column (1-1-4).
Specifically, the upper parts of the compression release springs (1-5) are respectively fixed at the two ends of the right side of the second supporting plate (1-1-6), and the lower parts of the compression release springs are respectively fixed on the third supporting plate (1-1-7).
Specifically, the compactor (1-6) comprises: the pressing handle (1-6-1) is respectively fixed on the left side of the third supporting plate, the pressing handle (1-6-1) is connected with the bottom of the roller shaft (1-6-2), the upper portion of the roller shaft (1-6-2) is connected with the pressing nut (1-6-3), the pressing nut (1-6-3) is respectively positioned on the lower portion between the friction wheels (1-3) on the second supporting plate (1-1-6), and the friction wheels on the two supporting plates are locked when the pressing handle (1-6-1) is tensioned to press the ropes.
Specifically, the rope guide (1-4) comprises: a single rope guiding device (1-4-1) arranged at the left part of the groove of the front support column (1-1-3) and an L-shaped double rope guiding device (1-4-2) arranged at the left part of the front end of the second support column (1-1-6) are used for controlling the direction of ropes.
Preferably, the upper parts of the inner sides of the I-shaped front supporting leg (4-1) and the I-shaped rear supporting leg (4-2) are respectively provided with a limit baffle (5) which is matched with two limit switches (1-7) fixed on the left side of the third supporting plate (1-1-7).
Specifically, the power supply control box (1-10) is fixed at the bottom of the third supporting plate (1-1-7) and is provided with a control switch (1-11).
Specifically, the gear speed regulator (1-8) is fixed at the rear end of the right side of the third supporting plate (1-1-7) and meshed with the fixed rack (1-9) at the lower part of the slideway (3).
The application also provides an automatic tensioning method for a reeled rope, the method comprising:
(1) When the winch is in a traction working condition, the rope moves from the winch side to the rope coiling side, and at the moment, the motor (1-2) rotates at a high speed to drive the rope to move to the rope coiling side so as to realize rope coiling;
(2) If the winch is decelerating, the whole sliding tensioning device (1) slides to the winch side, and is meshed with the fixed rack (1-9) through the gear speed regulator (1-8) to regulate the speed, so that the rotating speed of the motor (1-2) is slower and slower, and the speed is matched with the winch speed;
(3) If the winch is suspended and the rope keeps tension, the sliding tensioning device (1) integrally slides to one end of the slideway (3), the limit switch (1-7) touches the limit baffle (5), the feedback signal turns off the power supply of the motor (1-2), and the device is static;
(4) If the winch is in rope paying-off operation after suspension, the rope is required to move from the rope coiling side to the winch side, and the motor (1-2) is disconnected, and damping is provided for the rope by virtue of the friction wheel to maintain the rope tension.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present application and not for limiting the same, and although the present application has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the application without departing from the spirit and scope of the application, which is intended to be covered by the claims.

Claims (3)

1. An automatic tensioning device for a hank rope, the device comprising: a slide way (3) fixed on the I-shaped front supporting leg (4-1) and the I-shaped rear supporting leg (4-2), and a sliding tensioning device (1) arranged on the slide way (3); the sliding tensioning device (1) is connected with the I-shaped rear supporting leg (4-2) through a constant force spring (2);
the sliding tensioner (1) comprises: the device comprises a sliding tensioning device frame (1-1), a motor (1-2), a friction wheel (1-3), a rope guiding device (1-4), a compression release spring (1-5), a compressor (1-6), a limit switch (1-7), a gear speed regulator (1-8), a fixed rack (1-9), a power supply control box (1-10) and a control switch (1-11);
the slide tensioner frame (1-1) includes: the front sliding plate (1-1-1) and the rear sliding plate (1-1-2) are connected with the slideway (3), the front supporting column (1-1-3) and the rear supporting column (1-1-4) are respectively and vertically arranged at one third of the front sliding plate (1-1-1) and the rear sliding plate (1-1-2), grooves are respectively arranged above the front supporting column (1-1-3) and the rear supporting column (1-1-4), the front and rear sides of the first supporting plate (1-1-5) are arranged in the grooves, the second supporting plate (1-1-6) is arranged at the middle parts of the left sides of the front supporting column (1-1-3) and the rear supporting column (1-1-4) and can move up and down, and the third supporting plate (1-1-7) is arranged at the bottoms of the front supporting column (1-1-3) and the rear supporting column (1-1-4); the upper parts of the compression release springs (1-5) are respectively fixed at the two ends of the right side of the second supporting plate (1-1-6), and the lower parts of the compression release springs are respectively fixed on the third supporting plate (1-1-7);
the compactor (1-6) comprises: the pressing handles (1-6-1) are respectively fixed on the left sides of the third support plates, the pressing handles (1-6-1) are connected with the bottoms of the roller shafts (1-6-2), the upper parts of the roller shafts (1-6-2) are connected with pressing nuts (1-6-3), the pressing nuts (1-6-3) are respectively positioned on the lower parts between the friction wheels (1-3) on the second support plates (1-1-6), and when the pressing handles (1-6-1) are tightened, the friction wheels on the two support plates are locked to press ropes;
the rope guide (1-4) comprises: a single rope guide (1-4-1) arranged at the left part of the groove of the front support column (1-1-3) and an L-shaped double rope guide (1-4-2) arranged at the left part of the front end of the second support column (1-1-6) are used for controlling the direction of ropes;
the power supply control box (1-10) is fixed at the bottom of the third supporting plate (1-1-7) and is provided with a control switch (1-11);
the gear speed regulator (1-8) is fixed at the rear end of the right side of the third supporting plate (1-1-7) and meshed with the fixed rack (1-9) at the lower part of the slideway (3).
2. The device according to claim 1, wherein the upper parts of the inner sides of the front I-shaped supporting leg (4-1) and the rear I-shaped supporting leg (4-2) are respectively provided with a limit baffle (5) which is matched with two limit switches (1-7) fixed on the left side of the third supporting plate (1-1-7).
3. An automatic tensioning method for a reeled rope, for using an automatic tensioning device for a reeled rope according to any one of claims 1-2, characterized in that the method comprises:
(1) When the winch is in a traction working condition, the rope moves from the winch side to the rope coiling side, and at the moment, the motor (1-2) rotates at a high speed to drive the rope to move to the rope coiling side so as to realize rope coiling;
(2) If the winch is decelerating, the whole sliding tensioning device (1) slides to the winch side, and is meshed with the fixed rack (1-9) through the gear speed regulator (1-8) to regulate the speed, so that the rotating speed of the motor (1-2) is slower and slower, and the speed is matched with the winch speed;
(3) If the winch is suspended and the rope keeps tension, the sliding tensioning device (1) integrally slides to one end of the slideway (3), the limit switch (1-7) touches the limit baffle (5), the feedback signal turns off the power supply of the motor (1-2), and the device is static;
(4) If the winch is in rope paying-off operation after suspension, the rope is required to move from the rope coiling side to the winch side, and the motor (1-2) is disconnected, and damping is provided for the rope by virtue of the friction wheel to maintain the rope tension.
CN201910767197.4A 2019-08-20 2019-08-20 Automatic tensioning device and method for winch rope Active CN110615370B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910767197.4A CN110615370B (en) 2019-08-20 2019-08-20 Automatic tensioning device and method for winch rope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910767197.4A CN110615370B (en) 2019-08-20 2019-08-20 Automatic tensioning device and method for winch rope

Publications (2)

Publication Number Publication Date
CN110615370A CN110615370A (en) 2019-12-27
CN110615370B true CN110615370B (en) 2023-12-12

Family

ID=68922278

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910767197.4A Active CN110615370B (en) 2019-08-20 2019-08-20 Automatic tensioning device and method for winch rope

Country Status (1)

Country Link
CN (1) CN110615370B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112723123B (en) * 2020-12-23 2022-04-05 莱芜莱新铁矿有限责任公司 First rope replacing equipment of multi-rope friction well tower type elevator

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2595402Y (en) * 2002-10-30 2003-12-31 陈小鸿 Controllable cable lifter
EP3040305A1 (en) * 2014-12-29 2016-07-06 Perini Navi S.P.A. Winch for heavy loads
CN207275886U (en) * 2017-08-17 2018-04-27 周口阳光电缆有限公司 A kind of cable winding machine
CN109110665A (en) * 2018-08-28 2019-01-01 中国电力科学研究院有限公司 It is a kind of for being twisted the draw off gear of rope
CN210163045U (en) * 2019-06-11 2020-03-20 郑州路驰机械设备有限公司 Automatic winding and unwinding devices of hank mill tail rope

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2595402Y (en) * 2002-10-30 2003-12-31 陈小鸿 Controllable cable lifter
EP3040305A1 (en) * 2014-12-29 2016-07-06 Perini Navi S.P.A. Winch for heavy loads
CN207275886U (en) * 2017-08-17 2018-04-27 周口阳光电缆有限公司 A kind of cable winding machine
CN109110665A (en) * 2018-08-28 2019-01-01 中国电力科学研究院有限公司 It is a kind of for being twisted the draw off gear of rope
CN210163045U (en) * 2019-06-11 2020-03-20 郑州路驰机械设备有限公司 Automatic winding and unwinding devices of hank mill tail rope

Also Published As

Publication number Publication date
CN110615370A (en) 2019-12-27

Similar Documents

Publication Publication Date Title
CN106629234B (en) Automatic winding scheme based on vision
CN105417418B (en) A kind of reel and its hoisting mechanism
CN106315349B (en) A kind of depth vertical is restricted winding hoisting steel wire rope tension automatic equalization device and method more
CN204474008U (en) A kind of Winder
CN106144896B (en) A kind of pull-type carriage walking mechanism
CN110615370B (en) Automatic tensioning device and method for winch rope
CN108463421A (en) System and winding device for the winding cords on winch drum
CN104291226A (en) Double-drum single-layer twining windlass with annular rope races for wire cable
CN204400305U (en) A kind of double cable unwinding device
CN108584616B (en) Traction force balance lifting device for ultra-deep vertical shaft and control method
CN104803285B (en) A kind of method that running block is changed in bridge crane
CN103490328A (en) Multifunctional vehicle special for track construction
US2763979A (en) Cable twisting, wrapping, and reeling mechanism
CN208531889U (en) A kind of storage rack of included crawling traction structure
CN210943373U (en) Automatic spindle loading system
CN201272849Y (en) Automatic pipe arranging device for winder
CN203333214U (en) Double-coiling-block steel wire rope single-layer winding winch with annular rope grooves
CN103813867A (en) An apparatus for filtering out defects in metal wires
CN202816489U (en) Belting set for fireproof cable
CN204324782U (en) Cable work rope woolding device
CN204959142U (en) Spindle drive mechanism of twisting frame
CN209507322U (en) A kind of self-regulation straining pulley group of cable production line
CN209367633U (en) A kind of quick-replaceable and the device for installing wirerope
CN107313175A (en) A kind of knotting method of bifilar rope
CN105084110A (en) Auxiliary device of wire drawing machine

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant