CN206237054U - 35kV power transmission lines overhauling operation supports - Google Patents

35kV power transmission lines overhauling operation supports Download PDF

Info

Publication number
CN206237054U
CN206237054U CN201621390558.6U CN201621390558U CN206237054U CN 206237054 U CN206237054 U CN 206237054U CN 201621390558 U CN201621390558 U CN 201621390558U CN 206237054 U CN206237054 U CN 206237054U
Authority
CN
China
Prior art keywords
carriage
arm
power transmission
support
transmission lines
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.)
Expired - Fee Related
Application number
CN201621390558.6U
Other languages
Chinese (zh)
Inventor
邹瑜
张炜玮
郭基明
陈胤之
聂景庆
刘璞
罗玉娟
申益平
袁月亮
漆彦清
曾有兵
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.)
Yichuan Power Supply Branch Of Guo Wang Jiangxi Electric Power Corp
State Grid Jiangxi Electric Power Co Yichun Yuanzhou District Power Supply Branch Co
State Grid Corp of China SGCC
Original Assignee
Yichuan Power Supply Branch Of Guo Wang Jiangxi Electric Power Corp
State Grid Jiangxi Electric Power Co Yichun Yuanzhou District Power Supply Branch Co
State Grid Corp of China SGCC
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 Yichuan Power Supply Branch Of Guo Wang Jiangxi Electric Power Corp, State Grid Jiangxi Electric Power Co Yichun Yuanzhou District Power Supply Branch Co, State Grid Corp of China SGCC filed Critical Yichuan Power Supply Branch Of Guo Wang Jiangxi Electric Power Corp
Priority to CN201621390558.6U priority Critical patent/CN206237054U/en
Application granted granted Critical
Publication of CN206237054U publication Critical patent/CN206237054U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses 35kV power transmission lines overhauling operation supports, power transmission lines overhauling technique with the apparatus field is related generally to.Including carriage, the bottom of the carriage sets pedal frame, the top of the carriage is provided with two support transverse arms away from the side of pedal frame, the bottom of the support transverse arm is provided with clamp arm, leading screw is provided with the support transverse arm, the leading screw is provided with the first handwheel away from one end of carriage, the clamp arm is provided with the screw being adapted with leading screw, the clamp arm is provided with latch, the bottom of the clamp arm is provided with block, the block is provided with the tie down screw being adapted with latch, and the tie down screw is provided with the second handwheel.The beneficial effects of the utility model are:It can provide support for the replacing of insulator, quickly can be firmly fixed on the cross-arm of different model, the need for being applied to different use environments, can reduce hazards, can save human resources, improve operating efficiency.

Description

35kV power transmission lines overhauling operation supports
Technical field
The utility model is related to power transmission lines overhauling technique with the apparatus field, specifically 35kV power transmission lines overhaulings operation branch Frame.
Background technology
At present, existing some 35kV transmission lines of electricity are chronically exposed on wilderness and high mountain and run, and running environment is severe, defeated Insulator in electric line for a long time by exposing to the weather, sleet frost, atmosphere pollution and external force destruction influenceed, often appearance The problems such as insulator gets dirty serious, breakdown, to ensure the safe and stable operation of transmission line of electricity, it is necessary to periodically be carried out to insulator Change.Most of installation site due to insulator is positioned at the outside of cross-arm, and insulator is parallel with cross-arm, enters to insulator When row is changed, on 35kV cross arm of tower, the safety belt of operating personnel must be put to most long and operation of squatting down operating personnel, sometimes Also need for body to lean out operation, it is difficult to find a good standpoint to be operated, change the less efficient of insulator, make The physical demands of industry personnel is excessive, situation of easily causing danger, and the replacing of insulator at least needs two people could to complete, and wastes Substantial amounts of human resources.
Utility model content
The purpose of this utility model is to provide 35kV power transmission lines overhauling operation supports, and it can be the replacing of insulator Support is provided, quickly can be firmly fixed on the cross-arm of different model, the need for different use environments being applied to, energy Hazards are enough reduced, human resources can be saved, operating efficiency is improved.
The utility model to achieve the above object, is achieved through the following technical solutions:
35kV power transmission lines overhauling operation supports, including carriage, the bottom of the carriage set pedal frame, the branch The top of support frame is provided with two support transverse arms away from the side of pedal frame, and the bottom of the support transverse arm is provided with clamp arm, described Clamp arm is slidably connected with support transverse arm, and leading screw is provided with the support transverse arm, and the leading screw is provided with away from one end of carriage First handwheel, the clamp arm is provided with the screw being adapted with leading screw, and the clamp arm is provided with latch, the latch It is slidably connected with clamp arm, the bottom of the clamp arm is provided with block, and the block is provided with the locking being adapted with latch Screw rod, the tie down screw is provided with the second handwheel.
The pedal frame is provided with pedal.
The carriage is provided with U-shaped protective frame, and the U-shaped protective frame is hinged with carriage, the U-shaped protective frame away from One end of carriage is provided with support column, and the support column is hinged with U-shaped protective frame, is provided with the top of the pedal frame and support column Adaptable support tube, the support tube is provided with the locking pin being adapted with support column.
The bottom of the support transverse arm is provided with rubber blanket.
The carriage is provided with reel, and the reel is rotated with carriage and is connected, and the reel is provided with lifting rope, described Lifting rope is provided with hanging basket away from one end of reel, and one end of the reel is provided with crank, and the reel is provided with ratchet, the support Frame is provided with the ratchet being adapted with ratchet.
Reinforcement is provided between the carriage and pedal frame.
The leading screw is provided with synchronizing wheel, and two synchronizing wheels are connected by Timing Belt.
The adjustable length of the carriage.
Prior art is contrasted, the beneficial effects of the utility model are:
1st, support transverse arm of the present utility model is taken and is placed on cross-arm, and rotating the first handwheel can drive clamp arm to move, energy Enough the distance between adjustment clamp arm and carriage as needed, can quickly be firmly fixed to different shaped by the utility model Number cross-arm on, a support platform can be extended below cross-arm, can be applied to different use environments the need for, turn Dynamic second handwheel can drive latch to move up and down, and can firmly be locked on cross-arm the utility model, can be exhausted The one stable and firm support platform of offer that more changes jobs of edge, operating personnel stands on the footrests, an operating personnel The replacement of insulator can be completed, hazards can be reduced, save human resources, improve operating efficiency.
2nd, pedal frame of the present utility model is provided with pedal, and sky is stepped on when operating personnel can be avoided to work, and can enter one Step reduces hazards.
3rd, carriage of the present utility model is provided with U-shaped protective frame, and the U-shaped protective frame is hinged with carriage, the U-shaped Protective frame is provided with support column away from one end of carriage, and the support column is hinged with U-shaped protective frame, is set at the top of the pedal frame There is the support tube being adapted with support column, the support tube is provided with the locking pin being adapted with support column, support column is inserted Locked in support tube and by locking pin, U-shaped protective frame can be propped up, protection together can be provided for operating personnel, can The probability of accidental falling, ensure that job safety when reducing operating personnel's operation.
4th, it is provided with reinforcement between carriage of the present utility model and pedal frame, it is possible to increase of the present utility model firm Property, ensure that service life of the present utility model.
5th, the bottom of support transverse arm of the present utility model is provided with rubber blanket, can reduce when the utility model is used to cross-arm Abrasion.
6th, carriage of the present utility model is provided with reel, and the reel is rotated with carriage and is connected, set on the reel There is lifting rope, the lifting rope is provided with hanging basket away from one end of reel, and one end of the reel is provided with crank, and the reel is provided with spine Wheel, the carriage is provided with the ratchet being adapted with ratchet, and rotating crank can drive spool turns, and hanging basket is for placing work Tool or the insulator changed, ratchet are engaged with ratchet, can lock the position of hanging basket, and replacing insulator can be easy to work Carrying out.
7th, leading screw of the present utility model is provided with synchronizing wheel, and two synchronizing wheels are connected by Timing Belt, are rotated wherein The first handwheel on one leading screw, you can drive two leading screws to rotate, can make two clamp arms simultaneously mobile, can be easy to this The Fast Installation of utility model.
8th, the adjustable length of carriage of the present utility model, length that can be as needed to carriage is adjusted, energy Enough it is applied to the use of the operating personnel of different building shape.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is the attachment structure schematic diagram for supporting transverse arm;
Accompanying drawing 3 is the attachment structure schematic diagram of reel.
Label in accompanying drawing:1st, carriage;2nd, pedal frame;3rd, transverse arm is supported;4th, clamp arm;5th, leading screw;6th, the first handwheel;7、 Latch;8th, block;9th, tie down screw;10th, the second handwheel;11st, pedal;12nd, U-shaped protective frame;13rd, support column;14th, support Cylinder;15th, locking pin;16th, rubber blanket;17th, reel;18th, lifting rope;19th, hanging basket;20th, crank;21st, ratchet;22nd, ratchet;23rd, add Strong muscle;24th, synchronizing wheel;25th, Timing Belt.
Specific embodiment
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this Utility model rather than limitation scope of the present utility model.In addition, it is to be understood that reading the content of the utility model instruction Afterwards, those skilled in the art can make various changes or modifications to the utility model, and these equivalent form of values equally fall within this Shen Please limited range.
Described in the utility model is 35kV power transmission lines overhauling operation supports, including carriage 1, the bottom of the carriage 1 Portion sets pedal frame 2.The top of the carriage 1 is provided with two support transverse arms 3 away from the side of pedal frame 2, and the support is horizontal The bottom of arm 3 is provided with clamp arm 4, and the clamp arm 4 is slidably connected with support transverse arm 3, and leading screw 5 is provided with the support transverse arm 3, The leading screw 5 is provided with the first handwheel 6 away from one end of carriage 1, and rotating the first handwheel 6 can drive leading screw 5 to rotate.The folder Tight arm 4 is provided with the screw being adapted with leading screw 5, and leading screw 5 is rotated can drive clamp arm 4 to rotate.The clamp arm 4 is provided with Latch 7, the latch 7 is slidably connected with clamp arm 4, and the bottom of the clamp arm 4 is provided with block 8, is set on the block 8 There is the tie down screw 9 being adapted with latch 7, the tie down screw 9 is provided with the second handwheel 10, and rotating the second handwheel 10 can Drive tie down screw 9 to rotate, latch 7 can be driven to move up and down.Support transverse arm 3 is taken and is placed on cross-arm, rotate first-hand Wheel 6 can drive clamp arm 4 to move, and can as needed adjust the distance between clamp arm 4 and carriage 1, can be by this reality Quickly it is firmly fixed on the cross-arm of different model with new, a support platform, energy can be extended below cross-arm The need for being enough applied to different use environments, rotating the second handwheel 10 can drive latch 7 to move up and down, can be by this practicality Being locked on cross-arm for new robust, can be more change jobs one stable and firm support platform of offer, operation of insulator Personnel stand on the footrests, and without body is leant out, an operating personnel can complete the replacement of insulator, can reduce danger Dangerous factor, saves human resources, improves operating efficiency.
In order to further reduce hazards, the pedal frame 2 is provided with pedal 11, and operating personnel can be avoided to work When step on sky, can further reduce hazards.
In order to ensure job safety, the carriage 1 is provided with U-shaped protective frame 12, the U-shaped protective frame 12 and carriage 1 is hinged, and the U-shaped protective frame 12 is provided with support column 13, the support column 13 and U-shaped protective frame 12 away from one end of carriage 1 It is hinged, the top of the pedal frame 2 is provided with the support tube 14 being adapted with support column 13, the support tube 14 is provided with and support The adaptable locking pin 15 of post 13, support column 13 is inserted in support tube 14 and is locked by locking pin 15, can be protected U-shaped Frame 12 is propped up, and can provide protection together for operating personnel, and the probability of accidental falling when can reduce operating personnel's operation can Ensure job safety.
In order to ensure service life of the present utility model, reinforcement 23, energy are provided between the carriage 1 and pedal frame 2 Fastness of the present utility model is enough improved, service life of the present utility model is ensure that.
In order to reduce abrasion when the utility model is used to cross-arm, the bottom of the support transverse arm 3 is provided with rubber blanket 16, Hard collision when the utility model is used and between cross-arm can be reduced, can be reduced when the utility model is used to cross-arm Abrasion.
For the ease of the carrying out of replacing insulator work, the carriage 1 is provided with reel 17, the reel 17 and support Frame 1 rotates connection, and the reel 17 is provided with lifting rope 18, and the lifting rope 18 is provided with hanging basket 19 away from one end of reel 17, described One end of reel 17 is provided with crank 20, and the reel 17 is provided with ratchet 21, and the carriage 1 is provided with and is adapted with ratchet 21 Ratchet 22, rotating crank 20 can rotate with movable reel 17, and hanging basket 19 is used for the insulator of place tool or replacing, ratchet 21 It is engaged with ratchet 22, the position of hanging basket 19 can be locked, push ratchet 22 aside, crank 20 can be rotated, insulation can be easy to The carrying out that son more changes jobs.
For the ease of Fast Installation of the present utility model, the leading screw 5 is provided with synchronizing wheel 24, two synchronizing wheels 24 Connected by Timing Belt 25, rotate the first handwheel 6 on one of leading screw 5, you can driven two leading screws 5 to rotate, can make Two clamp arms 4 are simultaneously mobile, can be easy to Fast Installation of the present utility model with dismounting.
In order to be applied to the use of the operating personnel of different building shape, the adjustable length of the carriage 1 can be as needed Length to carriage 1 is adjusted, and can be applied to the use of the operating personnel of different building shape.
Embodiment:Described in the utility model is 35kV power transmission lines overhauling operation supports, including carriage 1, the support Frame 1 includes two support bars, and four connecting rods are provided between two support bars, and support bar is by the first pipe and the second pipe group Into in second pipe of one end insertion of the first pipe, the second pipe is provided with fixing bolt, the first circle near one end of the first pipe Pipe is provided with five holes being adapted with fixing bolt, and fixing bolt inserts in different holes, the length of support bar can be entered Row adjustment, and then length to carriage 1 is adjusted, and can be applied to the use of the operating personnel of different building shape.The branch Support frame 1 is provided with U-shaped protective frame 12, and the openend of the U-shaped protective frame 12 is hinged by jointed shaft with carriage 1, the U-shaped Protective frame 12 is provided with sleeve, the external diameter of the internal diameter more than U-shaped protective frame 12 of the sleeve, the set away from one end of carriage 1 Support column 13 is welded with cylinder, the support column 13 is hinged by sleeve with U-shaped protective frame 12, the top weldering of the pedal frame 2 The support tube 14 being adapted with support column 13 is connected to, the support tube 14 is provided with locking pin 15, and the support column 13 is provided with The pin-and-hole being adapted with locking pin 15, support column 13 is inserted in support tube 14 and is locked by locking pin 15, can be prevented U-shaped Retaining frame 12 is propped up, and can provide protection, the probability of accidental falling, energy when can reduce operating personnel's operation together for operating personnel Enough ensure job safety.The bottom of the U-shaped protective frame 12 is provided with rotating shaft, and rotating shaft is rotated with carriage 1 by bearing and is connected, and is turned Reel 17 is installed, the reel 17 is provided with lifting rope 18, and the lifting rope 18 is provided with hanging basket 19 away from one end of reel 17 on axle, Crank 20 is installed in one end of the rotating shaft, and the rotating shaft installs ratchet 21 away from one end of reel, the carriage 1 be provided with The adaptable ratchet 22 of ratchet 21, rotating crank 20 can rotate with movable reel 17, and hanging basket 19 is used for place tool or replacing Insulator, ratchet 21 is engaged with ratchet 22, can lock the position of hanging basket 19, pushes ratchet 22 aside, can rotate crank 20, The carrying out that replacing insulator can be easy to work.The bottom welding of the carriage 1 has pedal frame 2, and pedal frame 2 is by square tubes soldering Form, for operating personnel provides support.Pedal 11 is welded with pedal frame 2, sky, energy are stepped on when operating personnel can be avoided to work It is enough further to reduce hazards.Reinforcement 23 is welded between the carriage 1 and pedal frame 2, it is possible to increase this practicality is new The fastness of type, ensure that service life of the present utility model.Welded away from the side of pedal frame 2 at the top of the carriage 1 Two support transverse arms 3 are connected to, rubber blanket 16 is coated with the ground of the support transverse arm 3, rubber blanket 16 is bolted on On support transverse arm 3, rubber blanket 16 can reduce hard collision when the utility model is used and between cross-arm, can reduce this reality Abrasion during with new use to cross-arm.The bottom of the support transverse arm 3 is provided with clamp arm 4, and the top of the clamp arm 4 is provided with T-shaped sliding block, supports the bottom of transverse arm 3 to be provided with the T-shaped chute being adapted with T-shaped sliding block, and support transverse arm 3 can select C-type steel, described Clamp arm 4 is slidably connected with support transverse arm 3, and leading screw 5 is provided with the support transverse arm 3, and leading screw 5 is provided with leading screw fixed seat, silk Thick stick fixed seat is bolted in support transverse arm 3.The leading screw 5 installs the first handwheel 6 away from one end of carriage 1, turns Dynamic first handwheel 6 can drive leading screw 5 to rotate.Synchronizing wheel 24 is installed, two synchronizing wheels 24 are by same on the leading screw 5 Step band 25 is connected, and rotates the first handwheel 6 on one of leading screw 5, you can drive two leading screws 5 to rotate, and can make two folders Tight arm 4 is simultaneously mobile, can be easy to Fast Installation of the present utility model with dismounting.It is inlaid with the T-shaped sliding block of the clamp arm 4 The screw being adapted with leading screw 5, leading screw 5 is rotated can drive clamp arm 4 to rotate.The clamp arm 4 is provided with latch 7, lock Tight plate 7 is vertical with clamp arm 4, and latch 7 is provided with sliding block, and clamp arm 4 is provided with corresponding chute, the latch 7 and folder Tight arm 4 is slidably connected, and the bottom welding of the clamp arm 4 has block 8, and the block 8 is provided with the lock being adapted with latch 7 Tight screw rod 9, the welded top of the tie down screw 9 has a circular fixture block, and the bottom of the latch 7 is provided with and is adapted with fixture block Cutting ferrule, circular fixture block can be rotated in cutting ferrule, and block 8 is provided with the screwed hole being adapted with tie down screw 9, the locking screw The bottom of bar 9 is provided with the second handwheel 10, and rotating the second handwheel 10 can drive tie down screw 9 to rotate, and can drive latch 7 Move up and down.Support transverse arm 3 is taken and is placed on cross-arm, rotating the first handwheel 6 can drive clamp arm 4 to move, can be according to need The distance between clamp arm 4 and carriage 1 are adjusted, the utility model can be quickly firmly fixed to the horizontal stroke of different model In load, a support platform can be extended below cross-arm, the need for different use environments being applied to, rotate second Handwheel 10 can drive latch 7 to move up and down, and can firmly be locked on cross-arm the utility model, can be insulator More change jobs offer one stable and firm support platform, operating personnel stand on the footrests, without body is leant out, one Individual operating personnel can complete the replacement of insulator, can reduce hazards, save human resources, improve operating efficiency.

Claims (8)

1.35kV power transmission lines overhauling operation supports, including carriage (1), the bottom of the carriage (1) set pedal frame (2), it is characterized in that:The top of the carriage (1) is provided with two support transverse arms (3), the branch away from the side of pedal frame (2) The bottom of support transverse arm (3) is provided with clamp arm (4), and the clamp arm (4) is slidably connected with support transverse arm (3), the support transverse arm (3) leading screw (5) is provided with, the leading screw (5) is provided with the first handwheel (6), the clamp arm (4) away from one end of carriage (1) The screw being adapted with leading screw (5) is provided with, the clamp arm (4) is provided with latch (7), the latch (7) and clamping Arm (4) is slidably connected, and the bottom of the clamp arm (4) is provided with block (8), and the block (8) is provided with mutually to be fitted with latch (7) The tie down screw (9) answered, the tie down screw (9) is provided with the second handwheel (10).
2. 35kV power transmission lines overhaulings operation support according to claim 1, it is characterized in that:Set on the pedal frame (2) There is pedal (11).
3. 35kV power transmission lines overhaulings operation support according to claim 1, it is characterized in that:Set on the carriage (1) There is U-shaped protective frame (12), the U-shaped protective frame (12) is hinged with carriage (1), and the U-shaped protective frame (12) is away from carriage (1) one end is provided with support column (13), and the support column (13) is hinged with U-shaped protective frame (12), the top of the pedal frame (2) The support tube (14) being adapted with support column (13) is provided with, the support tube (14) is provided with the lock being adapted with support column (13) Tight pin (15).
4. 35kV power transmission lines overhaulings operation support according to claim 1, it is characterized in that:Support transverse arm (3) Bottom is provided with rubber blanket (16).
5. 35kV power transmission lines overhaulings operation support according to claim 1, it is characterized in that:Set on the carriage (1) There is reel (17), the reel (17) rotates with carriage (1) and is connected, and the reel (17) is provided with lifting rope (18), described to hang Rope (18) is provided with hanging basket (19) away from one end of reel (17), and one end of the reel (17) is provided with crank (20), the reel (17) ratchet (21) is provided with, the carriage (1) is provided with the ratchet (22) being adapted with ratchet (21).
6. 35kV power transmission lines overhaulings operation support according to claim 1, it is characterized in that:The carriage (1) and pin Step between frame (2) and be provided with reinforcement (23).
7. 35kV power transmission lines overhaulings operation support according to claim 1, it is characterized in that:The leading screw (5) is provided with Synchronizing wheel (24), two synchronizing wheels (24) are connected by Timing Belt (25).
8. 35kV power transmission lines overhaulings operation support according to claim 1, it is characterized in that:The length of the carriage (1) Degree is adjustable.
CN201621390558.6U 2016-12-16 2016-12-16 35kV power transmission lines overhauling operation supports Expired - Fee Related CN206237054U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621390558.6U CN206237054U (en) 2016-12-16 2016-12-16 35kV power transmission lines overhauling operation supports

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621390558.6U CN206237054U (en) 2016-12-16 2016-12-16 35kV power transmission lines overhauling operation supports

Publications (1)

Publication Number Publication Date
CN206237054U true CN206237054U (en) 2017-06-09

Family

ID=58992429

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621390558.6U Expired - Fee Related CN206237054U (en) 2016-12-16 2016-12-16 35kV power transmission lines overhauling operation supports

Country Status (1)

Country Link
CN (1) CN206237054U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110676751A (en) * 2018-07-02 2020-01-10 国网山东省电力公司潍坊供电公司 Cross arm extender for live replacement of insulator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110676751A (en) * 2018-07-02 2020-01-10 国网山东省电力公司潍坊供电公司 Cross arm extender for live replacement of insulator

Similar Documents

Publication Publication Date Title
CN204899180U (en) Steel construction jar body aerial working platform simply sets up device
CN201781203U (en) Disconnecting link overhaul hoisting device
CN206237054U (en) 35kV power transmission lines overhauling operation supports
CN105064671A (en) Climbing device for electric power overhaul
CN107069533B (en) A kind of super UHV Overhead Transmission Line tangent tower ground wire lifting tool
CN203419693U (en) Crane for cable trench cover plate
CN112850538A (en) Conductor lifter on distribution line pole
CN204216555U (en) A kind of field test cable bearer
CN204407790U (en) A kind of insulation gin pole for getting out wire jumper
CN207829921U (en) A kind of push pipe is hampered quick supporting device of getting rid of poverty
CN207069448U (en) A kind of easy-to-dismount support insulator positioner
CN202550348U (en) Folding multifunctional overhauling frame for overhauling isolating switch
CN213027206U (en) Electric overhead ground wire lifting device
CN201440587U (en) Line-releasing pulley
CN204727242U (en) Gas cylinder is unloading unit fast and safely
RU138511U1 (en) ELECTRIC SUPPORT JACK
CN202906284U (en) Cable maintaining fixing device
CN203345999U (en) Special multifunctional lifting frame for busbar bridge
CN110745698B (en) Portable framework hoisting device
CN202268668U (en) Operating device of line lifter lead screw for transmission line
CN110681967A (en) Electric welding is with pushing and pulling device and engineering welding car
CN216613815U (en) Derrick mast device is used in TYD installation
CN201377639Y (en) Pipe channeling device used in pipeline construction of pipe rack
CN211162350U (en) Electric welding is with pushing and pulling device and engineering welding car
CN204947549U (en) A kind of cable turntable support

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170609

Termination date: 20171216

CF01 Termination of patent right due to non-payment of annual fee