CN220884125U - Quick replacement device for traction overhead wire of underground electric locomotive - Google Patents
Quick replacement device for traction overhead wire of underground electric locomotive Download PDFInfo
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- CN220884125U CN220884125U CN202322491277.6U CN202322491277U CN220884125U CN 220884125 U CN220884125 U CN 220884125U CN 202322491277 U CN202322491277 U CN 202322491277U CN 220884125 U CN220884125 U CN 220884125U
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- 229910000831 Steel Inorganic materials 0.000 description 4
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Abstract
The utility model belongs to the technical field of underground electric locomotive traction overhead line replacement equipment, and particularly relates to a quick replacement device for an underground electric locomotive traction overhead line. The specific technical scheme is as follows: including setting gradually unwrapping wire spare, traction element and the supporting part of following the pull wire unwrapping wire direction, traction element includes the pulley support, the symmetry is provided with first pulley on the pulley support, just be located two first pulleys top between two first pulleys and be provided with the second pulley, the pull wire that the unwrapping wire spare was released passes a first pulley, second pulley and another first pulley, taut pull wire. The damage to the new traction wire in the process of replacing the traction wire can be effectively reduced, the installation quality of the traction wire is improved, meanwhile, the labor cost and the operation efficiency of replacing the traction wire underground are greatly improved, and the safe and stable operation of the electric locomotive is ensured.
Description
Technical Field
The utility model belongs to the technical field of underground electric locomotive traction overhead line replacement equipment, and particularly relates to a quick replacement device for an underground electric locomotive traction overhead line.
Background
The underground mine rail transportation traction wire is a main power source of the rail transportation electric locomotive, and the state of the traction wire is extremely important for the normal operation of the electric locomotive. Because the temperature is high in the pit, and humidity is great, the traction wire is liable to take place problems such as distortion, deformation and excessive wear after long-time use, influences electric locomotive safe and stable operation, needs timely change impaired traction wire.
Because of the limitation of the underground roadway height, in order to eliminate the bending stress of the traction wire to be replaced, the traction wire is replaced at present mainly by fixing a chain block on an anchor rod of the roadway, and eliminating the bending stress of the traction wire by tightening the chain block, and on-site maintenance personnel fix the traction wire. This method of replacing the traction wire has the following disadvantages: (1) The fixed point of the chain block and the traction wire is easy to deform, and the stability of the electric locomotive is affected; (2) The maintenance personnel needs frequent ascending operation, and the wire clamping groove of the new traction wire is arranged above the wire clamping groove through the pipe tongs so as to be convenient to fix, and potential safety hazards exist; (3) The replacement efficiency is lower, and the long-time operation of many people is needed to finish. Therefore, in order to quickly and safely complete the replacement of the traction wire, a set of traction wire quick replacement device is provided.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a quick replacement device for a traction overhead line of an underground electric locomotive.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: a quick replacement device for electric locomotive traction overhead line in pit, includes unwrapping wire spare, traction element and the supporting part that sets gradually along the traction wire unwrapping wire direction, traction element includes the pulley support, the symmetry is provided with first pulley on the pulley support, just is located two first pulleys top and is provided with the second pulley between two first pulleys, the traction wire that the unwrapping wire spare was released passes a first pulley, second pulley and another first pulley, taut traction wire.
Preferably: the pulley support comprises two symmetrically arranged fixing plates, the two fixing plates are in a cross shape, the first pulley is arranged between the transverse portions of the two fixing plates, the second pulley is arranged at the upper ends of the vertical portions of the two fixing plates, an adjusting assembly is arranged on the fixing plates, and the adjusting assembly adjusts the position of the second pulley in the vertical direction.
Preferably: an adjusting through hole is vertically formed in the vertical portion of the fixed plate, the second pulley is connected with the fixed plate through a second rotating shaft, and two ends of the second rotating shaft penetrate through the two adjusting through holes and are limited through a second fixed block; the second fixed block is connected with the adjusting component, and the adjusting component adjusts the position of the second fixed block on the adjusting through hole.
Preferably: the top of the two fixing plates is provided with a first supporting plate, the adjusting assembly comprises an adjusting screw, the lower part of the adjusting screw penetrates through the first supporting plate to be in rotary connection with the second fixing block, and the adjusting screw is in threaded connection with the first supporting plate; the adjusting screw is peripherally provided with buffer spring, buffer spring one end is connected with adjusting screw top, and the other end is connected with first backup pad upper surface.
Preferably: the first pulley is connected with the two fixing plates through a first rotating shaft, and two ends of the first rotating shaft penetrate through the two fixing plates and are limited through a first fixing block; the first pulley is rotationally connected with the two fixing plates.
Preferably: the pulley support lower part is provided with first regulation stand, first regulation stand includes first fixed stand, first slip stand, sliding connection between first slip stand and the first fixed stand, be provided with a plurality of first through-holes on the first fixed stand, be provided with a plurality of with the second through-hole that first through-hole position corresponds on the first slip stand, the mounting passes first through-hole, second through-hole, connects fixed first fixed stand, first slip stand.
Preferably: the paying-off component comprises a rotatable traction wire rope disc, a locking component is arranged beside the traction wire rope disc and used for preventing the traction wire rope disc from rotating under the action of inertia force.
Preferably: the locking assembly comprises a locking cam which rotates synchronously with the traction wire rope disc, a fixed locking plate is arranged beside the traction wire rope disc, and a containing area is arranged on the locking plate and used for containing the locking cam; a locking block is arranged on the side wall of the accommodating area along the rotation direction of the locking cam; external force acts on the traction wire rope disc to drive the periphery of the locking cam to extrude the locking block, and the locking cam rotates.
Preferably: the accommodating area is circular in shape, a groove matched with the locking block is formed in the inner side wall of the circular accommodating area, a compression spring is fixedly arranged in the groove, and the other end of the compression spring is fixedly connected with the locking block; when in a natural state, the locking block protrudes out of the groove and stretches into the accommodating area.
Preferably: the support component comprises a second adjusting upright post, the second adjusting upright post comprises a second fixed upright post and a second sliding upright post, the second sliding upright post is in sliding connection with the second fixed upright post, a plurality of third through holes are formed in the second fixed upright post, a plurality of fourth through holes corresponding to the third through holes are formed in the second sliding upright post, and a fixing piece penetrates through the third through holes and the fourth through holes and is connected with and fixed with the second fixed upright post and the second sliding upright post; and the top of the second adjusting upright post is provided with a guide roller for guiding the traction wire to pass through.
Compared with the prior art, the application has the following beneficial effects:
Through setting up traction element, traction element includes the pulley support, the symmetry is provided with a set of first pulley on the pulley support, just is located two first pulleys top between two first pulleys and is provided with the second pulley, the haulage line that pay off part was released passes one of them first pulley, second pulley and another first pulley in proper order, taut haulage line, can effectively correct the bending stress of new haulage line, improves labor operation efficiency and has extensive application prospect. The damage to the new traction wire in the process of replacing the traction wire can be effectively reduced, the installation quality of the traction wire is improved, meanwhile, the labor cost and the operation efficiency of replacing the traction wire underground are greatly improved, and the safe and stable operation of the electric locomotive is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a pulley bracket according to the present utility model;
FIG. 3 is a front view showing the structure of the lock block and lock plate connection of the present utility model;
fig. 4 is a side view showing a structure of the present utility model for connecting the locking block and the locking plate.
In the figure: traction wire 1, fixed plate 2, first backup pad 3, adjusting screw 4, buffer spring 5, adjusting through hole 6, second pulley 7, second fixed block 8, first pulley 9, first fixed block 10, first fixed column 11, first sliding column 12, second through hole 13, locking plate 14, locking cam 15, limit groove 16, compression spring 17, locking block 18, rotation shaft 19, accommodation area 20, traction wire rope disk 21, second fixed column 22, third through hole 23, second sliding column 24, fourth through hole 25, guide roller 26, rear flat car 27, front flat car 28, rope disk bracket 29, first through hole 30.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The technical means used in the examples are conventional means well known to those skilled in the art unless otherwise indicated.
In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, 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 utility model.
As shown in fig. 1-4, the quick replacement device for the traction wire 1 of the underground electric locomotive comprises a paying-off component, a traction component and a supporting component, wherein the paying-off component, the traction component and the supporting component are sequentially arranged along the paying-off direction of the traction wire 1, the paying-off component is used for paying-off the traction wire 1, the traction component is used for tensioning and guiding the traction wire 1, and the supporting component is used for further guiding the traction wire 1. The traction component comprises a pulley support, a group of first pulleys 9 are symmetrically arranged on the pulley support, a second pulley 7 is arranged between the two first pulleys 9 and above the two first pulleys 9, and the traction wire 1 paid out by the paying-off component sequentially passes through one of the first pulleys 9, the second pulley 7 and the other first pulley 9 to tighten the traction wire 1. The two first pulleys 9 and the second pulley 7 are disposed on the same vertical plane for guiding the traction wire 1.
More preferable technical scheme, the pulley bracket is provided with two groups of first pulleys 9 symmetrically, a second pulley 7 is arranged between the two groups of first pulleys 9 and above the two first pulleys 9, the traction wire 1 paid out by the paying-off component sequentially passes through the two first pulleys 9, the second pulley 7 and the other two first pulleys 9, and the traction wire 1 is tensioned. Two first pulleys 9 which are symmetrically arranged on the pulley bracket by taking the vertical direction of the second pulley 7 as a center are a group of first pulleys 9. The two sets of first pulleys 9 (four first pulleys 9) and the second pulley 7 are disposed on the same vertical plane for guiding the traction wire 1.
The quick replacement device further comprises a front flat car 28 and a rear flat car 27, wherein a paying-off part and a traction part are arranged on the front flat car 28, and the paying-off part is arranged in front of the traction part; the support members are placed on a rear flatbed 27. The front pallet truck 28 and the rear pallet truck 27 move forward synchronously.
Specific embodiment of pulley support: the pulley bracket comprises two symmetrically arranged fixed plates 2, the two fixed plates 2 are in a cross shape, the first pulley 9 is symmetrically arranged between the transverse parts of the two fixed plates 2 by taking the vertical parts of the fixed plates 2 as central lines, the second pulley 7 is arranged at the upper ends of the vertical parts of the two fixed plates 2, an adjusting component is arranged on the fixed plates 2, and the position of the second pulley 7 in the vertical direction is adjusted by the adjusting component, so that the traction retraction force of a traction part can be adjusted.
Further, two be provided with the regulation through-hole 6 of bar along vertical direction on the vertical portion of fixed plate 2, second pulley 7 is connected with fixed plate 2 through the second pivot, and second pivot both ends pass two regulation through-holes 6 and are spacing through second fixed block 8, and second fixed block 8 restriction second pulley 7 rotates between two fixed plates 2, prevents that the second pivot from sliding out from adjusting through-hole 6. The second fixed block 8 is connected with an adjusting component, and the adjusting component adjusts the position of the second fixed block 8 on the adjusting through hole 6. The second fixed block 8 is driven to move up and down through the adjusting component, so that the position of the second pulley 7 in the vertical direction is controlled, and the distance between the first pulley 9 and the second pulley 7 in the vertical direction is adjusted.
In a more preferred embodiment, the diameter of the second pulley 7 is greater than the diameter of the first pulley 9. The two first pulleys 9 close to the second pulley 7 have a higher height in the horizontal direction than the two first pulleys 9 far from the second pulley 7 in order to effectively correct the bending stress of the new traction wire 1. The lowest point of the second pulley 7 in the vertical direction is lower than the highest points of the two first pulleys 9 adjacent to the second pulley 7 in the vertical direction. Meanwhile, in order to facilitate the fixation of the double-groove traction wire 1, the radius of the concave circular arc of the circumferences of the first pulley 9 and the second pulley 7 is the same as the size of the double-groove traction wire 1, so that the traction wire 1 is prevented from rotating in the process of passing through the first pulley 9 and the second pulley 7.
Specific embodiments of the adjustment assembly: the top of the two fixing plates 2 is provided with a first supporting plate 3, the adjusting assembly comprises an adjusting screw 4, the lower part of the adjusting screw 4 penetrates through the first supporting plate 3 to be connected with a second fixing block 8 in a rotating mode, and the adjusting screw 4 is connected with the first supporting plate 3 in a threaded mode. The adjusting screw 4 rotates to move upwards or downwards on the first supporting plate 3, and the second pulley 7 is driven to move upwards or downwards by the second fixing block 8. The two second fixing blocks 8 are used for locking the second rotating shaft on the two fixing plates 2, and the second pulley 7 rotates around the first rotating shaft. The second fixing block 8 may be a lock nut.
In a more preferred embodiment, a buffer spring 5 is arranged on the periphery of the adjusting screw 4, one end of the buffer spring 5 is connected with the top of the adjusting screw 4, and the other end of the buffer spring is connected with the upper surface of the first supporting plate 3.
The first pulley 9 is connected with the two fixing plates 2 in the following way: the first pulley 9 is connected with the two fixing plates 2 through a first rotating shaft, and two ends of the first rotating shaft penetrate through the two fixing plates 2 and are limited through a first fixing block 10; the first pulley 9 is rotatably connected with the two fixed plates 2. The two first fixing blocks 10 are used for locking the first rotating shaft on the two fixing plates 2, and the first pulley 9 rotates around the first rotating shaft. The first fixing block 10 may be a lock nut.
Further, the pulley support lower part is provided with first regulation stand, first regulation stand includes first fixed stand 11, first slip stand 12, sliding connection between first slip stand 12 and the first fixed stand 11, be provided with a plurality of first through-holes 30 on the first fixed stand 11, be provided with a plurality of with the second through-hole 13 that first through-hole 30 position corresponds on the first slip stand, the mounting passes first through-hole 30, second through-hole 13, connects fixed first fixed stand 11, first slip stand 12. The fixing member may be a locking bolt or a locking screw.
Specifically, the first fixing columns 11 are machined from section steel and welded to the front pallet 28, and the section steel is provided with first through holes 30 at equal intervals in the vertical direction. The first sliding column 12 is formed by machining a section steel, and second through holes 13 are formed in the section steel at equal intervals in the vertical direction. The top of the first sliding upright 12 is welded with a second supporting plate, the center of the second supporting plate is provided with a circular through hole, a pin shaft penetrates through the circular through hole to connect the pulley bracket and the first fixed upright 11, and the pulley bracket can freely rotate around the pin shaft.
The implementation mode of the paying-off component is as follows: the pay-off unit comprises a rotatable traction wire rope reel 21, wherein the traction wire rope reel 21 is fixed on a front flat car 28 through a rope reel bracket 29, and the traction wire rope reel 21 can rotate on the rope reel bracket 29. In order to prevent the traction wire rope reel 21 from continuing to rotate under the effect of inertial force, thereby leading to a loosening of the traction wire 1 entering the traction means, a locking assembly is provided beside the traction wire rope reel 21, which locking assembly is used for preventing the traction wire rope reel 21 from rotating under the effect of inertial force.
Further, the locking assembly comprises a locking cam 15 which rotates synchronously with the traction wire rope reel 21, a fixed locking plate 14 is arranged beside the traction wire rope reel 21, a containing area 20 is arranged on the locking plate 14, and the containing area 20 is used for containing the locking cam 15; a locking block 18 is arranged on the side wall of the accommodating area 20 along the rotation direction of the locking cam 15; external force acts on the traction wire rope disc 21 to drive the periphery of the locking cam 15 to squeeze the locking block 18, and the locking cam 15 rotates.
The embodiment of the accommodation area 20 may be: the side wall of the locking plate 14 is provided with a receiving groove with an opening direction facing the traction wire rope reel 21. Or the locking plate 14 is provided with a containing cavity, and one end of the rotating shaft 19 penetrates through the locking plate 14 and stretches into the containing cavity to be connected with the locking cam 15. Or the side wall of the locking plate 14 is provided with a containing through hole with two open ends.
Further, the accommodating area 20 is circular, a limiting groove 16 adapted to the locking block 18 is formed in the inner side wall of the circular accommodating area 20, a compression spring 17 is fixedly arranged in the limiting groove 16, and the other end of the compression spring 17 is fixedly connected with the locking block 18; in the natural state, the locking block 18 protrudes from the limit groove 16 and extends into the accommodating area 20. The locking cam 15 can be rotated only by pressing the locking block 18 and pressing the compression spring 17 to retract the locking block 18 into the limit groove 16.
In a more preferred embodiment, the locking blocks 18 are in a shape of a circular table, the locking blocks 18 are uniformly arranged on the inner side wall of the accommodating area 20, and the shape formed by surrounding the locking blocks 18 is a circle.
Specifically, one end of a rotating shaft 19 of the traction wire rope disc 21 is connected with a locking cam 15, a locking plate 14 is fixedly arranged on a rope disc support 29, the locking plate 14 is kept motionless relative to the traction wire rope disc 21, the locking cam 15 is arranged in a circular containing area 20, a plurality of locking blocks 18 are circularly arrayed on the inner side wall of the circular containing area 20 along the rotating direction of the locking cam 15, a limiting groove 16 matched with the locking blocks 18 is formed in the inner side wall of the circular containing area 20, a compression spring 17 is fixedly arranged in the limiting groove 16, and the other end of the compression spring 17 is fixedly connected with the locking blocks 18.
In a further embodiment, the supporting component comprises a second adjusting upright, the second adjusting upright comprises a second fixed upright 22 and a second sliding upright 24, the second sliding upright 24 is in sliding connection with the second fixed upright 22, a plurality of third through holes 23 are formed in the second fixed upright 22, a plurality of fourth through holes 25 corresponding to the positions of the third through holes 23 are formed in the second sliding upright 24, and a fixing piece penetrates through the third through holes 23 and the fourth through holes 25 to fixedly connect the second fixed upright 22 and the second sliding upright 24; the top of the second adjusting column is provided with a guide roller 26 for guiding the traction wire 1 to pass through. The fixing member may be a locking bolt or a locking screw.
The working process of the quick replacement device for the traction overhead line of the underground electric locomotive comprises the following steps: before replacing the traction wire 1, placing the traction wire rope reel 21 on a rope reel bracket 29, unscrewing two adjusting screws 4 on the pulley bracket, moving up the second pulley 7, passing the head of a new traction wire 1 between the second pulley 7 and four first pulleys 9 and lapping the head on a guide roller 26 of a rear flat car 27, then screwing down the two adjusting screws 4, tightly pressing the second pulley 7 and the first pulleys 9 on the traction wire 1, and adjusting the heights of the first adjusting upright and the second adjusting upright according to the required traction wire 1 height, adjusting the hole positions of the adjusting upright on the front flat car 28 and the rear flat car 27. During the operation of replacing the traction wire 1, one person pushes the front flatbed 28 in front to release the traction wire 1 on the rope reel, one person pushes the rear flatbed 27 in rear at the same speed, and the other two persons stand on the rear flatbed 27 to fix the traction wire 1 on the wire hanger.
The invention can effectively reduce the damage to the new traction wire 1 in the process of replacing the traction wire 1, improves the installation quality of the traction wire 1, greatly improves the labor cost and the operation efficiency of replacing the traction wire 1 underground, and ensures the safe and stable operation of the electric locomotive.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications, variations, alterations, substitutions made by those skilled in the art to the technical solution of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.
Claims (10)
1. A quick replacement device for electric locomotive pulls overhead line in pit, its characterized in that: including unwrapping wire spare, traction element and the supporting part that sets gradually along the pull wire unwrapping wire direction, traction element includes the pulley support, the symmetry is provided with first pulley (9) on the pulley support, just be located two first pulley (9) top between two first pulley (9) and be provided with second pulley (7), the pull wire that the unwrapping wire spare was released passes a first pulley (9), second pulley (7) and another first pulley (9), taut pull wire (1).
2. The quick change device for a traction overhead line of a downhole electric locomotive of claim 1, wherein: the pulley support comprises two symmetrically arranged fixing plates (2), wherein the two fixing plates (2) are in a cross shape, two groups of first pulleys are arranged between the transverse parts of the two fixing plates (2), the second pulleys (7) are arranged at the upper ends of the vertical parts of the two fixing plates (2), adjusting components are arranged on the fixing plates (2), and the adjusting components are used for adjusting the positions of the second pulleys (7) in the vertical direction.
3. The quick change device for a traction overhead line of a downhole electric locomotive of claim 2, wherein: an adjusting through hole (6) is vertically formed in the vertical portion of the fixed plate (2), the second pulley (7) is connected with the fixed plate (2) through a second rotating shaft, and two ends of the second rotating shaft penetrate through the two adjusting through holes (6) and are limited through a second fixed block (8); the second fixed block (8) is connected with an adjusting component, and the adjusting component adjusts the position of the second fixed block (8) on the adjusting through hole (6).
4. A quick change device for a traction overhead line of a downhole electric locomotive according to claim 3, wherein: the top of the two fixing plates (2) is provided with a first supporting plate (3), the adjusting assembly comprises an adjusting screw (4), the lower part of the adjusting screw (4) penetrates through the first supporting plate (3) to be in rotary connection with a second fixing block (8), and the adjusting screw (4) is in threaded connection with the first supporting plate (3); the periphery of the adjusting screw (4) is provided with a buffer spring (5), one end of the buffer spring (5) is connected with the top of the adjusting screw (4), and the other end of the buffer spring is connected with the upper surface of the first supporting plate (3).
5. The quick change device for a traction frame of a downhole electric locomotive of claim 4, wherein: the first pulley (9) is connected with the two fixing plates (2) through a first rotating shaft, and two ends of the first rotating shaft penetrate through the two fixing plates (2) and are limited through a first fixing block (10); the first pulley (9) is rotatably connected with the two fixing plates (2).
6. A quick change device for a traction frame of a downhole electric locomotive according to any of claims 1-5, wherein: the pulley support lower part is provided with first regulation stand, first regulation stand includes first fixed stand (11), first slip stand (12), sliding connection between first slip stand (12) and first fixed stand (11), be provided with a plurality of first through-holes (30) on first fixed stand (11), be provided with a plurality of with second through-hole (13) that first through-hole (30) position corresponds on first slip stand (12), the mounting passes first through-hole (30), second through-hole (13), connects fixed first fixed stand (11), first slip stand (12).
7. The quick change device for a traction overhead line of a downhole electric locomotive of claim 1, wherein: the paying-off component comprises a rotatable traction wire rope disc (21), a locking component is arranged beside the traction wire rope disc (21), and the locking component is used for preventing the traction wire rope disc (21) from rotating under the action of inertia force.
8. The quick change device for a traction overhead line of a downhole electric locomotive of claim 7, wherein: the locking assembly comprises a locking cam (15) which rotates synchronously with the traction wire rope disc (21), a fixed locking plate (14) is arranged beside the traction wire rope disc (21), a containing area (20) is arranged on the locking plate (14), and the containing area (20) is used for containing the locking cam (15); a locking block (18) is arranged on the side wall of the accommodating area (20) along the rotation direction of the locking cam (15); when external force acts on the traction wire rope disc (21), the traction wire rope disc (21) drives the locking cam (15) to rotate, and the periphery of the locking cam (15) extrudes the locking block (18).
9. The quick change device for a traction overhead line of a downhole electric locomotive of claim 8, wherein: the accommodating area (20) is circular, a limiting groove (16) matched with the locking block (18) is formed in the inner side wall of the circular accommodating area (20), a compression spring (17) is fixedly arranged in the limiting groove (16), and the other end of the compression spring (17) is fixedly connected with the locking block (18); when in a natural state, the locking block (18) protrudes out of the limit groove (16) and stretches into the accommodating area (20).
10. The quick change device for a traction overhead line of a downhole electric locomotive of claim 1, wherein: the support component comprises a second adjusting upright post, the second adjusting upright post comprises a second fixed upright post (22) and a second sliding upright post (24), the second sliding upright post (24) is connected with the second fixed upright post (22) in a sliding manner, a plurality of third through holes (23) are formed in the second fixed upright post (22), a plurality of fourth through holes (25) corresponding to the third through holes (23) in position are formed in the second sliding upright post (24), and a fixing piece penetrates through the third through holes (23) and the fourth through holes (25) to be connected with and fixed with the second fixed upright post (22) and the second sliding upright post (24); the top of the second adjusting upright post is provided with a guide roller (26) for guiding the traction wire (1) to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322491277.6U CN220884125U (en) | 2023-09-13 | 2023-09-13 | Quick replacement device for traction overhead wire of underground electric locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322491277.6U CN220884125U (en) | 2023-09-13 | 2023-09-13 | Quick replacement device for traction overhead wire of underground electric locomotive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220884125U true CN220884125U (en) | 2024-05-03 |
Family
ID=90867904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322491277.6U Active CN220884125U (en) | 2023-09-13 | 2023-09-13 | Quick replacement device for traction overhead wire of underground electric locomotive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220884125U (en) |
-
2023
- 2023-09-13 CN CN202322491277.6U patent/CN220884125U/en active Active
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