CN117810856A - Cotter pin dismounting device - Google Patents

Abstract

The application provides a cotter dismouting device, belongs to cotter mending technical field, and cotter dismouting device includes: the telescopic rod, the clamping claw and the controller; the clamping claw is detachably arranged on the telescopic end of the telescopic rod and is used for clamping the cotter pin; the controller sets up the holding end at the telescopic link, and the controller can control the degree of clamp claw. Through setting up the clamping jaw at telescopic link flexible end to hold the end at the telescopic link and set up the controller, utilize clamping jaw can accomplish the action of getting the cotter pin clamp, make the staff change the installation to the cotter pin of remote distance in cross arm department, direct operation in cross arm department has improved the problem that the physical stamina is not enough that the operating personnel frequently leads to because of the wire down, when guaranteeing operating personnel personal safety, has further promoted work efficiency, thereby ensure can high efficiency processing transmission line equipment defect, very big improvement transmission line steady operation's ability.

Description

Cotter pin dismounting device

Technical Field

The application belongs to cotter pin repair technical field, concretely relates to cotter pin dismouting device.

Background

The transmission line is used as a tie in the whole power system, and connects a power plant, a substation and users to form a transmission network and a distribution network, and plays a role in transmission and power.

Along with the improvement of the power supply reliability requirements of power users, the time for power outage maintenance of the power transmission line needs to be reduced, and the working efficiency of the power outage maintenance operation of the power transmission line needs to be improved. In the power transmission maintenance work, cotter pin repair is one of the most common defect elimination work, and because the number of cotter pins in a power transmission line is large, the cotter pins are required to be repaired by frequently installing and removing wires on and from the high-voltage power transmission line, so that the defect elimination work is completed, the labor intensity is high, the longer power failure maintenance time is required, and the normal operation of the power transmission line is influenced.

Disclosure of Invention

The present application aims to solve at least one of the technical problems existing in the prior art or related technologies.

To this end, the application provides a cotter dismouting device, includes: the telescopic rod, the clamping claw and the controller; the clamping claw is detachably arranged on the telescopic end of the telescopic rod and is used for clamping the cotter pin; the controller sets up the holding end at the telescopic link, and the controller can control the degree of clamp claw.

In addition, the cotter disassembling and assembling device in the technical scheme provided by the application can further have the following additional technical characteristics:

in one possible embodiment, the clamp jaws elastically deform the cotter pin after the cotter pin is clamped by the clamp jaws, and the width of the open end of the cotter pin is reduced.

In one possible embodiment, the cotter dismounting device further comprises: a steering device; the steering device is arranged between the clamping claw and the telescopic end of the telescopic rod, the steering device is fixedly connected to the telescopic end of the telescopic rod, and the clamping claw is detachably connected to the steering device so that the clamping claw can rotate relative to the telescopic rod.

In one possible embodiment, the cotter dismounting device further comprises: knocking a hammer; the knocking hammer is detachably connected with the steering device and used for knocking the cotter pin.

In one possible embodiment, the cotter dismounting device further comprises: steering engine; the steering engine is arranged on the clamping claw and used for driving the clamping claw to move, and the steering engine is electrically connected with the controller so as to control the clamping claw to open and clamp through the controller.

In a possible implementation mode, the clamping claw comprises a main body, two clamping claws and two connecting rod assemblies, wherein the two clamping claws are movably arranged on the main body, the two connecting rod assemblies are respectively connected with the two clamping claws and the main body, the connecting rod assemblies are connected with the output end of the steering engine, the steering engine is controlled by the controller to rotate so as to drive the two connecting rod assemblies to move, and then the two clamping claws are respectively driven to move relative to the main body through the two connecting rod assemblies, so that the two clamping claws move in opposite directions or in opposite directions.

In one possible embodiment, the two clamping jaws are provided with clamping grooves on opposite surfaces thereof, which abut to form a clamping space for the cotter pin when the two clamping jaws are clamped.

In one possible embodiment, the vertical distance between the opposing surfaces of the two jaws is 0.1-52.5 mm.

In one possible embodiment, the cotter dismounting device further comprises: an operation knob; the operation button is rotatably arranged on the controller, the operation button is electrically connected with the controller, the operation button controls the steering engine through the controller, and the output end of the steering engine is controlled to rotate through rotating the operation button.

In one possible embodiment, the cotter dismounting device further comprises: the device comprises a power supply binding post, a battery interface and a storage battery; the power supply binding post is arranged on the controller and is externally connected with a power supply to supply power for the controller and the steering engine; the battery interface is arranged on the controller; the storage battery is electrically connected with the battery interface and is used for supplying power for the controller and the steering engine.

Compared with the prior art, the cotter pin dismounting device has the beneficial effects that:

through setting up the clamping jaw at telescopic link flexible end to hold the end at the telescopic link and set up the controller, utilize clamping jaw can accomplish the action of getting the cotter pin clamp, make the staff change the installation to the cotter pin of remote distance in cross arm department, direct operation in cross arm department has improved the problem that the physical stamina is not enough that the operating personnel frequently leads to because of the wire down, when guaranteeing operating personnel personal safety, has further promoted work efficiency, thereby ensure can high efficiency processing transmission line equipment defect, very big improvement transmission line steady operation's ability.

To the electric tower of cat-head tower type, need not to climb to the top of the tower during the operation, can realize the operation in the cat neck department of the tower body, it is simple convenient, reduced the time that transmission line had a power failure overhauld, improved the work efficiency of transmission line had a power failure overhauld operation.

The device is particularly suitable for 110 kilovolt, 220 kilovolt tangent towers and strain towers, and can be used for directly working at a cross arm by the operation of the device when a cotter pin is required to be repaired by a lower wire in the tangent towers, so that the frequent wire feeding and discharging is avoided, the physical strength of personnel is saved, and the working risk is reduced.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a schematic view of a cotter mounting and dismounting device according to an embodiment of the present application;

FIG. 2 is an enlarged view at A of FIG. 1;

FIG. 3 is a schematic view of a controller in a cotter mounting and dismounting device according to an embodiment of the present application;

wherein, the correspondence between the reference numerals and the component names in fig. 1 to 3 is:

10. a telescopic rod; 12. clamping claws; 121. a main body; 122. a clamping jaw; 123. a connecting rod assembly; 13. a controller; 14. a steering device; 15. steering engine; 16. a clamping groove; 17. an operation knob; 18. a power supply terminal; 19. a battery interface; 20. a storage battery; 21. a guide rail; 22. a switch button; 23. steering engine interface.

Detailed Description

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

The preferred embodiments of the present application will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present application only and are not intended to limit the present application.

Referring now to fig. 1-3 in combination, a cotter removal device, according to an embodiment of the present application, includes: a telescopic rod 10, a clamping jaw 12 and a controller 13; a clamping jaw 12 is detachably provided on the telescopic end of the telescopic rod 10, the clamping jaw 12 being used for clamping the cotter pin; a controller 13 is provided at the holding end of the telescopic rod 10, and the controller 13 can control the degree of clamping of the clamping jaw 12.

The cotter pin dismounting device provided by the embodiment of the application comprises a clamping claw 12 arranged at the telescopic end of the telescopic rod 10 and a controller 13 arranged at the holding end of the telescopic rod 10, and the clamping claw 12 can be used for completing the clamping action of the cotter pin. When the cotter pin is taken out, the telescopic rod 10 is firstly lengthened, the clamping head reaches the position of the old cotter pin, then the clamping claw 12 clamps the old cotter pin through the operation controller 13, and the old cotter pin is pulled out from the cotter pin mounting hole; when the cotter pin is installed, a new cotter pin is clamped by the clamping claw 12, the new cotter pin is inserted into the cotter pin installation hole by stretching the telescopic rod 10, and the installation can be completed after the clamping claw 12 is loosened, so that a worker can replace and install the long-distance cotter pin at a cross arm, and directly work at the cross arm, the problem of insufficient physical strength of the worker caused by frequent wire descending is solved, the personal safety of the worker is ensured, and meanwhile, the working efficiency is further improved, thereby ensuring that the defect of the power transmission line equipment can be rapidly and efficiently treated, and the capability of stable operation of the power transmission line is greatly improved; to the electric tower of cat-head tower type, need not even to climb to the top of the tower during the operation, can realize the operation in the cat neck department of the tower body, it is simple convenient, reduced the time that transmission line had a power failure overhauld, improved the work efficiency of transmission line had a power failure overhauld operation. The device is particularly suitable for 110 kilovolt, 220 kilovolt tangent towers and strain towers, and can be used for directly working at a cross arm part when a cotter pin is required to be installed on a lower wire in the tangent towers, so that frequent wire loading and unloading are avoided, the physical strength of personnel is saved, and the working risk is reduced.

In one possible embodiment, after the clamp jaw 12 clamps the cotter pin, the clamp jaw 12 elastically deforms the cotter pin, and the width of the open end of the cotter pin is reduced.

In the technical scheme, the cotter pin is clamped by the clamping claw 12, the width of the open end of the cotter pin is smaller than that of the open end of the cotter pin in an unclamped state, the pressure of the cotter pin to the wall of the installation hole is reduced, the friction force between the cotter pin and the wall of the installation hole is reduced, the cotter pin is conveniently inserted into the installation hole or taken out from the installation hole, and the replacement efficiency of the cotter pin is further improved.

Further, after the clamp claw 12 clamps the cotter, the clamp claw 12 elastically deforms the cotter, and the width of the open end of the cotter is smaller than the diameter of the cotter mounting hole, so that the cotter can be inserted and pulled out smoothly.

As shown in fig. 1 and 2, in one possible embodiment, a steering device 14 is disposed between the clamping jaw 12 and the telescoping end of the telescoping rod 10, the steering device 14 being fixedly connected to the telescoping end of the telescoping rod 10, the clamping jaw 12 being detachably connected to the steering device 14 such that the clamping jaw 12 is rotatable relative to the telescoping rod 10.

In this technical scheme, connect the clamp claw 12 on the flexible end of telescopic link 10 through turning device 14 to the angle of clamp claw 12 is adjusted to be favorable to the operating personnel to just hand to telescopic link 10 application of force when the plug cotter, with the cotter quick-mounting in the mounting hole or pull out from the mounting hole, improve cotter's change efficiency, promote operating personnel's use experience simultaneously.

Further, the angles of the two ends of the steering device 14 can be fixed, so that the clamping claw 12 is prevented from being rotated by the reaction force when the cotter pin is installed, the angle of the clamping claw 12 is ensured to be fixed, the stability of the clamping claw 12 in the working process is improved, and the cotter pin is ensured to be smoothly installed in the installation hole.

In one possible embodiment, a striking hammer is detachably connected to the steering device 14, the striking hammer being used to strike the cotter pin.

In this technical solution, by providing the striking hammer on the steering device 14, the cotter pin is struck by the striking hammer, so that the cotter pin can completely pass through the mounting hole, and the stability of the cotter pin after being mounted is ensured.

Further, after the cotter pin completely enters, the knocking hammer is used for knocking along the direction perpendicular to the cotter pin, so that the open end of the cotter pin can be deformed, the open end can be quickly opened, and the work of fixing the cotter pin is completed.

As shown in fig. 1 and 2, in one possible embodiment, a steering engine 15 is disposed on the clamping jaw 12, the steering engine 15 is used to drive the clamping jaw 12 to move, and the steering engine 15 is electrically connected to the controller 13 to control the opening and clamping of the clamping jaw 12 by the controller 13.

In the technical scheme, the steering engine 15 is connected with the clamping jaw 12, and the steering engine 15 is controlled by the controller 13, so that the clamping jaw 12 is driven to move, and the remote control of the clamping and opening actions of the clamping jaw 12 is realized.

As shown in fig. 1 and 2, in one possible embodiment, the clamping jaw 12 includes a main body 121, two clamping jaws 122 and two connecting rod assemblies 123, the two clamping jaws 122 are movably disposed on the main body 121, the two connecting rod assemblies 123 respectively connect the two clamping jaws 122 with the main body 121, the connecting rod assemblies 123 are connected with output ends of the steering engine 15, the controller 13 controls the steering engine 15 to rotate so as to drive the two connecting rod assemblies 123 to move, and then the two clamping jaws 122 are respectively driven by the two connecting rod assemblies 123 to move relative to the main body 121, so that the two clamping jaws 122 move in opposite directions or in opposite directions.

In this technical scheme, one end of a connecting rod assembly 123 is rotatably connected with a clamping jaw 122, the other end of the connecting rod assembly 123 is fixedly connected with the output end of a steering engine 15, so that the connecting rod assembly 123 is driven to rotate through rotation of the output end of the steering engine 15, the clamping jaw 122 is pulled by the connecting rod assembly 123, the clamping jaw 122 moves along a preset track of a main body 121, and opening and closing movements of the two clamping jaws 122 are realized, so that a cotter pin is clamped or loosened.

Further, the main body 121 is provided with a guide rail 21, and the two clamping jaws 122 are simultaneously slidably connected with the guide rail 21, so that the two clamping jaws 122 only do linear motion along the guide rail 21, and the clamping and releasing actions of the clamping jaws 12 are respectively realized through approaching and separating of the two clamping jaws 122.

As shown in fig. 1 and 2, in one possible embodiment, the two clamping jaws 122 are provided with clamping grooves 16 on opposite surfaces, the two clamping grooves 16 abutting to form a clamping space for the cotter pin when the two clamping jaws 122 are clamped.

In this technical scheme, through set up the clamp groove 16 on clamping jaw 122, when two clamping jaws 122 are close to, can form the tight space of clamp to the cotter, carry out spacingly to the cotter through the lateral wall of clamp groove 16, reduce the tendency that the cotter takes place to rotate when clamping jaw 12 presss from both sides tightly to prevent that cotter angle from changing, make the cotter can insert in the mounting hole smoothly.

When the clamping groove 16 is not provided, the clamping surfaces of the two clamping jaws 122 are flat, the contact portion of the cotter pin and the clamping surfaces is curved, and when the cotter pin is positioned at an irregular position, the cotter pin rotates under the pressure of the clamping jaws 122, and the clamping stability is poor, so that the clamping groove 16 is provided to limit the flat portion of the cotter pin, thereby effectively preventing the cotter pin from rotating and ensuring reliable clamping.

Further, the shape of the clamping groove 16 is adapted to the shape of the cotter pin, so as to improve the stability of clamping the cotter pin and ensure that the cotter pin can be smoothly inserted into the mounting hole.

Specifically, the clamping groove 16 is rectangular.

In one possible embodiment, the vertical distance between the opposing surfaces of the two jaws 122 is 0.1-52.5 mm.

In this solution, the practicality of the device is improved by making the vertical distance between the opposite surfaces of the two clamping jaws 122 between 0.1 and 52.5mm, so as to clamp cotter pins of different types.

As shown in fig. 1 and 3, in one possible embodiment, the operation knob 17 is rotatably disposed on the controller 13, the operation knob 17 is electrically connected to the controller 13, the operation knob 17 controls the steering engine 15 through the controller 13, and the output end of the steering engine 15 is controlled to rotate by rotating the operation knob 17.

In the technical scheme, the opening and closing of the clamping claw 12 are controlled by manually rotating the knob and identifying the forward and reverse rotation of the knob by the controller 13, so that the action of loosening or clamping the cotter pin is realized, and the operation is direct and convenient.

Further, the controller 13 is further provided with a switching button 22, so that the knob can be switched between a neutral mode and a manual knob control mode, and when the current control mode of the controller 13 is displayed by the LED lamp and is switched to the neutral mode, the distance between the two clamping jaws 122 is medium, so that the clamping or loosening state of the clamping jaws 12 can be quickly switched, and the operation convenience is improved.

As shown in fig. 3, in a possible embodiment, a power terminal 18 is disposed on the controller 13, and a power source is externally connected to the power terminal 18 to supply power to the controller 13 and the steering engine 15; the battery interface 19 is provided on the controller 13; the battery 20 is electrically connected with the battery interface 19, and the battery 20 is used for supplying power to the controller 13 and the steering engine 15.

In this technical scheme, the whole device is supplied with power by the built-in battery 20, so that the device is convenient to carry and can be used independently.

Further, a steering engine 15 interface is further arranged on the controller 13, so that the controller 13 is electrically connected with the steering engine 15, and the steering engine 15 at the far end after stretching out is directly controlled by the controller 13, so that the clamping claw 12 is controlled to clamp or unclamp.

Further, the power terminal 18 and the battery interface 19 are respectively corresponding to two different sockets of the battery, and are mutually standby. The power terminal 18 includes positive terminal, negative terminal and signal terminal, and the power cord is general public female head, and positive, negative terminal can not connect conversely when using, prevents steering wheel 15 from burning out.

Specifically, the storage battery 20 has a capacity of 2500 milliamperes, a voltage of 7.4V, a full power of 8.4V and a weight of about 96g, the weight of the device is reduced, the device can not be used while being charged, and the voltage is not lower than 6V when the device is used.

In the process of power failure maintenance operation, the specific operation steps are as follows: the operator carries the device to the cross arm of the power transmission line, firstly, the defect to be eliminated is checked, and the direction of the opening pin hole is confirmed; the device is then assembled and the clamping jaw 12 is adjusted to the corresponding direction by the steering device 14 according to the previously confirmed direction; after testing whether the steering engine 15 rotates normally, clamping the cotter pin firmly by using the clamping claw 12; according to the length of the insulator, the telescopic rod 10 is adjusted to be suitable in length, and an operator sits at the cross arm to directly perform cotter pin repair operation; after the cotter pin is inserted, the operating knob 17 is rotated to release the clamping jaw 12. Retracting the telescopic rod 10, replacing the clamping claw 12 with a knocking hammer, then extending the telescopic rod 10 to the cotter pin for knocking again, opening the cotter pin by using the knocking hammer after the cotter pin completely enters, completing the repair work of the cotter pin, then retracting the telescopic rod 10, and taking the cotter pin down after the knocking hammer is removed. The device dismouting, convenient to carry, weight are lighter, can not increase tower personnel burden, and easy and simple to handle, only need simple training can learn the operation, can promote on a large scale after the application summary experience in work.

It will be readily appreciated by those skilled in the art that the above advantageous ways can be freely combined and superimposed without conflict.

The foregoing description of the preferred embodiment of the present invention is not intended to limit the invention to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. The foregoing is merely a preferred embodiment of the present application and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principles of the present application, and these modifications and variations should also be regarded as the scope of the present application.

Claims (10)

1. The utility model provides a cotter dismouting device which characterized in that, cotter dismouting device includes:

a telescopic rod;

the clamping claw is detachably arranged on the telescopic end of the telescopic rod and is used for clamping the cotter pin;

the controller is arranged at the holding end of the telescopic rod, and the controller can control the clamping degree of the clamping claw.

2. The cotter dismounting apparatus of claim 1, characterized in that:

after the cotter pin is clamped by the clamping claw, the cotter pin is elastically deformed by the clamping claw, and the width of the open end of the cotter pin is reduced.

3. The cotter dismounting apparatus of claim 1, characterized in that said cotter dismounting apparatus further comprises:

the steering device is arranged between the clamping claw and the telescopic end of the telescopic rod, the steering device is fixedly connected to the telescopic end of the telescopic rod, and the clamping claw is detachably connected to the steering device so that the clamping claw can rotate relative to the telescopic rod.

4. A cotter dismounting apparatus according to claim 3, characterized in that said cotter dismounting apparatus further comprises:

and the knocking hammer is detachably connected with the steering device and is used for knocking the cotter pin.

5. The cotter dismounting apparatus of claim 1, characterized in that said cotter dismounting apparatus further comprises:

the steering engine is arranged on the clamping claw and used for driving the clamping claw to move, and the steering engine is electrically connected with the controller so as to control the clamping claw to open and clamp through the controller.

6. The cotter dismounting apparatus of claim 5, characterized in that:

the clamping claw comprises a main body, two clamping claws and two connecting rod assemblies, wherein the two clamping claws are movably arranged on the main body, the two connecting rod assemblies are used for connecting the two clamping claws with the main body respectively, the connecting rod assemblies are connected with the output end of the steering engine, the controller controls the steering engine to rotate so as to drive the two connecting rod assemblies to move, and then the two clamping claws are driven by the two connecting rod assemblies to move relative to the main body respectively, so that the two clamping claws move in opposite directions or in opposite directions.

7. The cotter dismounting apparatus of claim 6, characterized in that:

clamping grooves are formed in the surfaces, opposite to the clamping jaws, of the two clamping jaws, and when the two clamping jaws clamp, the two clamping grooves are abutted to form a clamping space for the cotter pin.

8. The cotter dismounting apparatus of claim 7, characterized in that:

the vertical distance between the opposite surfaces of the two clamping jaws is 0.1-52.5 mm.

9. The cotter dismounting apparatus of claim 5, characterized in that said cotter dismounting apparatus further comprises:

the operation button is rotatably arranged on the controller, the operation button is electrically connected with the controller, the operation button controls the steering engine through the controller, and the output end of the steering engine is controlled to rotate through rotating the operation button.

10. The cotter dismounting apparatus of claim 9, characterized in that said cotter dismounting apparatus further comprises:

the power supply binding post is arranged on the controller and is externally connected with a power supply to supply power for the controller and the steering engine;

the battery interface is arranged on the controller;

the storage battery is electrically connected with the battery interface and used for supplying power for the controller and the steering engine.