CN215595162U - Telegraph pole erecting auxiliary device for electric power facility - Google Patents
Telegraph pole erecting auxiliary device for electric power facility Download PDFInfo
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- CN215595162U CN215595162U CN202121883188.0U CN202121883188U CN215595162U CN 215595162 U CN215595162 U CN 215595162U CN 202121883188 U CN202121883188 U CN 202121883188U CN 215595162 U CN215595162 U CN 215595162U
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- frame
- slide rail
- direction slide
- fixedly connected
- electric power
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- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000006073 displacement reaction Methods 0.000 claims description 34
- 230000002146 bilateral effect Effects 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 abstract description 3
- 230000000670 limiting effect Effects 0.000 description 7
- 238000005056 compaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000013011 mating Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a telegraph pole erecting auxiliary device for electric power facilities, and belongs to the field of electric power facilities. The utility model provides a wire pole erects auxiliary device for electric power facility, includes the car hopper bottom plate, the last fixed surface of car hopper bottom plate is connected with the direction slide rail, the last fixed surface of direction slide rail is connected with the fixed plate, the lateral wall of fixed plate is equipped with first fixture, the position that the lateral wall of direction slide rail is close to the front end is equipped with second fixture, the last fixed surface of direction slide rail is connected with lifting mechanism, and lifting mechanism is located between first fixture and the second fixture, the inside wall sliding connection of direction slide rail has the frame that shifts, through setting up lifting mechanism, can start the pneumatic cylinder, and the piston rod drives the installed part rebound, with the ascending of rear end of wire pole, the wire pole with shift between the frame and produce the space, be convenient for establish the lifting rope cover in the wire pole outside, hang the wire pole from the frame that shifts and install.
Description
Technical Field
The utility model relates to the field of electric power facilities, in particular to an auxiliary device for erecting a wire pole for an electric power facility.
Background
The utility pole is a pole for erecting electric wires as the name implies. The two materials replace most of the wooden poles and are used for erecting the telegraph poles by using the telegraph pole erecting auxiliary device.
Although the device has more beneficial effects, the following problems still exist:
the utility model discloses a wire pole erection assisting device, including wire pole, car hopper, wire pole, wire rope cover, fixing mechanism, car hopper, wire pole erection assisting device, car hopper, wire pole erection assisting device, car hopper.
Disclosure of Invention
The utility model aims to solve the technical problem of realizing a telegraph pole erecting auxiliary device for electric power facilities, which is convenient to use, safe and reliable.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a wire pole erects auxiliary device for electric power facility, the last fixed surface of car hopper bottom plate is connected with the direction slide rail, direction slide rail one end is fixed with the fixed plate, be equipped with first fixture on the fixed plate, direction slide rail other end is fixed with second fixture, fixedly connected with lifting mechanism on the direction slide rail between first fixture and the second fixture, the embedding has can be along the gliding frame of relocating of direction slide rail in the direction slide rail.
First fixture is equipped with the telescopic link, telescopic link one end is fixed on the fixed plate, the other end with compress tightly a set rigid coupling, compress tightly the both sides of dish and all hand over with clamping bar one end, the both sides of fixed plate all are articulated with linkage hinge rod one end, are located the homonymy the linkage hinge rod other end is articulated each other with the clamping bar other end, the overcoat of telescopic link is equipped with clamping spring, clamping spring's both ends respectively with compress tightly set and fixed plate contact.
Second fixture is equipped with the installation lug, and the installation lug is equipped with two, two the equal symmetry of installation lug is fixed on the direction slide rail, direction slide rail bilateral symmetry is equipped with the spacing guide rail that extends to the subsection to both sides, every the embedding has can follow the gliding clamp plate of spacing guide rail in the spacing guide rail, every all be equipped with the screw hole on the clamp plate, be provided with the screw thread lead screw on the screw hole, every the screw thread lead screw passes the installation lug and the gear rigid coupling of place side, the upper surface bilateral symmetry fixedly connected with rack of frame is put in the aversion, the rack meshes with the cooperation gear mutually.
The outer side walls of the two clamping side plates are fixedly connected with an external carrier plate, a blocking piece is arranged on one side of the external carrier plate close to the shifting frame, a connecting rod is fixedly connected to the outer side wall of the blocking piece, one end of the connecting rod penetrates through the side wall of the external carrier plate and is fixedly connected with a pull ring, a return spring is sleeved on the outer side of the connecting rod, two ends of the return spring are respectively fixedly connected with the pull ring and the external carrier plate, and the blocking piece is in close contact with the front side of the shifting frame.
The utility model discloses a trolley with the trolley on the roof, including the frame that shifts, the frame inside wall is close to the top and is equipped with the wire pole, both ends are closely contacted with the inside wall of shifting the frame and the front of compressing tightly the dish respectively around the wire pole, the front fixedly connected with handle of shifting the frame, and the lower fixed surface of shifting the frame is connected with the gyro wheel frame, it is connected with the gyro wheel to rotate between the inside wall of gyro wheel frame, and the gyro wheel closely contacts with the upper surface of car hopper bottom plate.
The lifting mechanism is provided with a mounting piece, a groove is formed in the top of the guide sliding rail, the mounting piece is located inside the groove, a rotating roller is connected between the inner side walls of the mounting piece in a rotating mode, the hydraulic cylinders are fixedly connected with the left and right sides of the upper surface of the car hopper bottom plate in a symmetrical mode, the upper ends of piston rods of the hydraulic cylinders are connected with the lower surface of the mounting piece in a fixed mode, limit stops are fixedly connected with the inner side walls of the guide sliding rail, a matching stop block is fixedly connected with the upper surface of the shifting frame, and the matching stop block is located behind the limit stop block.
Compared with the prior art, the utility model has the advantages that:
(1) this wire pole erects auxiliary device for electric power facility, through setting up lifting mechanism, can be after removing the centre gripping of first fixture and second fixture to the wire pole and fix, start hydraulic cylinder, the piston rod drives installed part rebound, with the ascending lifting of rear end of wire pole, produces the space between wire pole and the displacement frame, is convenient for establish the lifting rope cover in the wire pole outside, hangs the wire pole from the displacement frame and installs.
(2) This wire pole erects auxiliary device for electric power facility, through setting up first fixture and second fixture, can place the wire pole on the displacement frame after, promote the displacement frame backward, the wire pole will compress tightly the dish backward extrusion after with compressing tightly the dish contact, the front end of clamp lever carries out the centre gripping to the position that the lateral wall of wire pole is close to the rear end, at this in-process, the displacement frame drives rack synchronous motion, and then make the screw lead screw drive two and press from both sides tight curb plate phase displacement under spacing guide's limiting displacement, it is fixed to carry out the centre gripping to the position that the lateral wall of wire pole is close to the front end, thereby fix the wire pole on the car hopper bottom plate, prevent that the wire pole from jolting and colliding with the car hopper inner wall because of the vehicle in the transportation, lead to the wire pole to receive the damage.
Drawings
The following is a brief description of the contents of each figure and the symbols in the figures in the description of the utility model:
fig. 1 is a schematic view of a structure of a utility pole erection aid for an electric power facility;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic top view of a utility pole erecting aid for an electric power facility;
fig. 4 is a schematic end view of a utility pole erecting aid for an electric power facility;
the labels in the above figures are: 1. a hopper floor; 2. a guide slide rail; 3. a rack is moved; 4. a utility pole; 5. a lifting mechanism; 501. a hydraulic cylinder; 502. a mounting member; 503. a limit stop block; 504. matching with a stop block; 505. rotating the roller; 6. a first clamping mechanism; 601. a clamping lever; 602. a compression disc; 603. a pull ring; 604. a return spring; 605. a connecting rod; 606. a stopper; 607. a linkage hinge rod; 608. a clamping spring; 609. a telescopic rod; 7. a fixing plate; 8. a second clamping mechanism; 801. a rack; 802. a mating gear; 803. mounting a bump; 804. limiting a guide rail; 805. a threaded lead screw; 806. clamping the side plates; 9. a handle; 10. a roller frame; 11. a carrier plate is arranged outside.
Detailed Description
The following description of the embodiments with reference to the drawings is provided to describe the embodiments of the present invention, and the embodiments of the present invention, such as the shapes and configurations of the components, the mutual positions and connection relationships of the components, the functions and working principles of the components, the manufacturing processes and the operation and use methods, etc., will be further described in detail to help those skilled in the art to more completely, accurately and deeply understand the inventive concept and technical solutions of the present invention.
As shown in fig. 1 to 4, the utility pole erection assisting device for electric power facilities includes a car hopper bottom plate 1, the upper surface of the car hopper bottom plate 1 is fixedly connected with a guide slide rail 2, the upper surface of the guide slide rail 2 is fixedly connected with a fixing plate 7, the outer side wall of the fixing plate 7 is provided with a first clamping mechanism 6, the position of the outer side wall of the guide slide rail 2 close to the front end is provided with a second clamping mechanism 8, the upper surface of the guide slide rail 2 is fixedly connected with a lifting mechanism 5, the lifting mechanism 5 is located between the first clamping mechanism 6 and the second clamping mechanism 8, and the inner side wall of the guide slide rail 2 is slidably connected with a displacement frame 3.
Specifically, first fixture 6 includes telescopic link 609, and the front end fixedly connected with of telescopic link 609 compresses tightly the dish 602, and the lateral wall bilateral symmetry that compresses tightly dish 602 articulates there is clamping bar 601, and the rear end of two clamping bar 601 all articulates there is linkage hinge rod 607, and the rear end of linkage hinge rod 607 articulates with the lateral wall of fixed plate 7, and the outside cover of telescopic link 609 is equipped with clamping spring 608, and clamping spring 608's both ends respectively with compress tightly dish 602 and fixed plate 7 fixed connection.
By arranging the first clamping mechanism 6, after the telegraph pole 4 is placed on the displacement frame 3, the displacement frame 3 is pushed backwards to drive the telegraph pole 4 to move backwards, the compaction disc 602 is pressed backwards after the telegraph pole 4 is contacted with the compaction disc 602, the clamping spring 608 is contracted, the hinged part of the clamping rod 601 and the linkage hinge rod 607 moves towards the outer side of the compaction disc 602, the front end of the clamping rod 601 clamps the position, close to the rear end, of the outer side wall of the telegraph pole 4, then the displacement frame 3 is continuously pushed backwards to enable the inner side wall of the displacement frame 3 to be in close contact with the front end of the telegraph pole 4, when the displacement frame 3 moves forwards, the telegraph pole 4 is separated from the compaction disc 602, the clamping spring 608 is rebounded and stretched to push the compaction disc 602 to move forwards, and the clamping of the clamping rod 601 is released.
Further, the second clamping mechanism 8 includes two mounting protrusions 803, the two mounting protrusions 803 are arranged on the two mounting protrusions 803, the two mounting protrusions 803 are fixedly connected with the upper surface of the guide slide rail 2 in a bilateral symmetry manner, the outer side wall of the mounting protrusion 803 is rotatably connected with a threaded screw 805, a clamping side plate 806 is sleeved on the outer side wall of the threaded screw 805, a limiting guide rail 804 is fixedly connected with the outer side wall of the guide slide rail 2 in a bilateral symmetry manner, and the bottom of the clamping side plate 806 is located inside the limiting guide rail 804.
Through setting up second fixture 8, can drive two clamping side plate 806 and remove under the limiting displacement of spacing guide rail 804 in opposite directions when screw lead screw 805 rotates, and it is fixed to carry out the centre gripping to the position that the lateral wall of wire pole 4 is close to the front end, fixes wire pole 4 on shifting frame 3 with the cooperation of first fixture 6, improves the stability of wire pole 4 in the transportation.
Still further, one end of the threaded screw 805 penetrates through the side wall of the mounting protrusion 803 and is fixedly connected with a mating gear 802, racks 801 are fixedly connected to the upper surface of the displacement frame 3 in a bilateral symmetry manner, and the racks 801 are meshed with the mating gear 802.
Through setting up cooperation gear 802, can move when moving the frame 3 and remove, move frame 3 and drive rack 801 synchronous motion, drive screw thread lead screw 805 through the meshing transmission of rack 801 and cooperation gear 802 and rotate.
Further, lifting mechanism 5 includes installed part 502, the recess has been seted up at the top of direction slide rail 2, installed part 502 is located inside the recess, it changes roller 505 to rotate to be connected with between the inside wall of installed part 502, hopper bottom plate 1's upper surface bilateral symmetry fixedly connected with pneumatic cylinder 501, the upper end of two pneumatic cylinder 501 piston rods all is connected with the lower fixed surface of installed part 502, the inside wall fixedly connected with limit stop 503 of direction slide rail 2, the last fixed surface who displaces frame 3 is connected with cooperation stop 504, cooperation stop 504 is located limit stop 503's rear.
Through setting up lifting mechanism 5, can start the back at pneumatic cylinder 501, the piston rod drives installed part 502 rebound, with the ascending of rear end of wire pole 4, be convenient for establish the lifting rope cover in the wire pole 4 outside, hang wire pole 4 and leave the migration frame 3 and install, through setting up commentaries on classics roller 505, can reduce the abrasion between installed part 502 and the wire pole 4, the life of extension installed part 502, through setting up limit stop 503 and cooperation dog 504, can restrict the forward movement route of migration frame 3, when preventing that installed part 502 from upwards lifting the rear end of wire pole 4, wire pole 4 promotes the migration frame 3 and moves forward.
It is worth to be noted that the outer side walls of the two clamping side plates 806 are both fixedly connected with the external carrier plate 11, one side of the external carrier plate 11 close to the displacing frame 3 is provided with a stopper 606, the outer side wall of the stopper 606 is fixedly connected with a connecting rod 605, one end of the connecting rod 605 penetrates through the side wall of the external carrier plate 11 and is fixedly connected with a pull ring 603, the outer side of the connecting rod 605 is sleeved with a return spring 604, two ends of the return spring 604 are respectively fixedly connected with the pull ring 603 and the external carrier plate 11, and the stopper 606 is in close contact with the front surface of the displacing frame 3.
By arranging the stopper 606, the movable frame 3 can be pushed backwards after the telegraph pole 4 is contacted with the pressing disc 602, the stopper 606 is pressed towards two sides by the movable frame 3, the return spring 604 is stretched, after the clamping rod 601 tightly clamps two sides of the telegraph pole 4, the movable frame 3 is separated from the stopper 606, the return spring 604 is reset and contracted, the traction stopper 606 moves to the front of the movable frame 3, and the movable frame 3 is stopped from moving backwards.
It is worth noting that a telegraph pole 4 is arranged on the position, close to the top, of the inner side wall of the displacement frame 3, the front end and the rear end of the telegraph pole 4 are respectively in close contact with the inner side wall of the displacement frame 3 and the front side of the pressing disc 602, the front side of the displacement frame 3 is fixedly connected with a handle 9, the lower surface of the displacement frame 3 is fixedly connected with a roller frame 10, rollers are rotatably connected between the inner side walls of the roller frame 10, and the rollers are in close contact with the upper surface of the car hopper bottom plate 1.
Through setting up the gyro wheel, can reduce the frictional force between 3 lower surfaces of the frame of shifting and the 1 upper surface of car hopper bottom plate, the manual pulling of operating personnel of being convenient for shifts and puts frame 3.
The working principle is as follows: placing a telegraph pole 4 on a displacement frame 3, pushing the displacement frame 3 backwards to drive the telegraph pole 4 to move backwards, pressing the compression disc 602 backwards after the telegraph pole 4 is contacted with the compression disc 602, moving the hinged part of a clamping rod 601 and a linkage hinge rod 607 to the outer side of the compression disc 602, clamping the position of the outer side wall of the telegraph pole 4 close to the rear end by the front end of the clamping rod 601, then continuously pushing the displacement frame 3 backwards to enable the inner side wall of the displacement frame 3 to be tightly contacted with the front end of the telegraph pole 4, in the process, the displacement frame 3 drives a rack 801 to synchronously move, driving a thread lead screw 805 to rotate through the meshing transmission of the rack 801 and a matching gear 802, the thread lead screw 805 drives two clamping side plates 806 to move oppositely under the limiting action of a limiting guide rail 804 to clamp and fix the position of the outer side wall of the telegraph pole 4 close to the front end, and simultaneously, the displacement frame 3 is separated from the contact with a stopper 606, the return spring 604 is reset and contracted, the traction blocking part 606 moves to the front of the displacement frame 3 to block the displacement frame 3 from moving backwards, the telegraph pole 4 is fixed on the displacement frame 3, the stability of the telegraph pole 4 in the transportation process is improved, when the utility pole 4 needs to be lifted off the displacement frame 3, the pull rings 603 are pulled towards both sides, the limit of the displacement frame 3 by the blocking parts 606 is released, the displacement frame 3 is pulled forwards until the limit stop 503 is tightly contacted with the matching stop 504, in the process, the mating gear 802 drives the threaded screw 805 to rotate reversely, so that the two clamping side plates 806 move back to back, the clamping fixation of the first clamping mechanism 6 and the second clamping mechanism 8 on the telegraph pole 4 is released, the hydraulic cylinder 501 is started, the piston rod drives the mounting piece 502 to move upwards, the rear end of the telegraph pole 4 is lifted upwards, the lifting rope is conveniently sleeved on the outer side of the telegraph pole 4, and the telegraph pole 4 is lifted away from the displacement frame 3 to be mounted.
The utility model has been described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the specific implementation in the above-described manner, and it is within the scope of the utility model to apply the inventive concept and solution to other applications without substantial modification.
Claims (6)
1. A utility pole erects auxiliary device for electric power facility which characterized in that: the upper surface fixed connection of car hopper bottom plate (1) has direction slide rail (2), direction slide rail (2) one end is fixed with fixed plate (7), be equipped with first fixture (6) on fixed plate (7), direction slide rail (2) other end is fixed with second fixture (8), fixedly connected with lifting mechanism (5) are gone up in direction slide rail (2) between first fixture (6) and second fixture (8), it has can be along gliding removal frame (3) of direction slide rail (2) to embed in direction slide rail (2).
2. The utility pole erecting aid for electric power facilities as recited in claim 1, wherein: first fixture (6) are equipped with telescopic link (609), telescopic link (609) one end is fixed on fixed plate (7), the other end with compress tightly set (602) rigid coupling, compress tightly the both sides of set (602) and all hand over with clamping rod (601) one end, the both sides of fixed plate (7) all articulate with linkage hinge rod (607) one end, are located the homonymy the linkage hinge rod (607) other end articulates each other with clamping rod (601) other end, the overcoat of telescopic link (609) is equipped with clamping spring (608), clamping spring (608)'s both ends respectively with compress tightly set (602) and fixed plate (7) contact.
3. The utility model provides an electric wire pole erection auxiliary device for electric power facility as claimed in claim 1 or 2, characterized in that: second fixture (8) are equipped with installation lug (803), and installation lug (803) are equipped with two, two the equal symmetry of installation lug (803) is fixed on direction slide rail (2), direction slide rail bilateral symmetry is equipped with spacing guide rail (804) that extend to the subsection to both sides, every spacing guide rail (804) embedded have can follow the gliding tight curb plate of clamp (806) of spacing guide rail (804), every clamp and all be equipped with the screw hole on curb plate (806), be provided with screw lead screw (805) on the screw hole, every screw lead screw (805) pass installation lug (803) and gear (802) rigid coupling of place side, the upper surface bilateral symmetry fixedly connected with rack (801) of frame (3) shift, rack (801) mesh with cooperation gear (802) mutually.
4. The utility pole erecting aid for electric power facilities as recited in claim 3, wherein: the outer side walls of the two clamping side plates (806) are fixedly connected with an external carrier plate (11), one side, close to the displacement frame (3), of the external carrier plate (11) is provided with a blocking piece (606), the outer side wall of the blocking piece (606) is fixedly connected with a connecting rod (605), one end of the connecting rod (605) penetrates through the side wall of the external carrier plate (11) and is fixedly connected with a pull ring (603), the outer side of the connecting rod (605) is sleeved with a return spring (604), two ends of the return spring (604) are fixedly connected with the pull ring (603) and the external carrier plate (11) respectively, and the blocking piece (606) is in close contact with the front face of the displacement frame (3).
5. The utility pole erecting aid for electric power facilities as recited in claim 4, wherein: the utility model discloses a trolley with the trolley hopper, including the frame of moving, it is characterized in that the position that the inside wall of frame (3) is close to the top is equipped with wire pole (4), both ends respectively with the inside wall of frame (3) and the front in close contact with that compresses tightly dish (602) around wire pole (4), the front fixedly connected with handle (9) of frame (3) just move the lower fixed surface of frame (3) and be connected with gyro wheel frame (10), it is connected with the gyro wheel to rotate between the inside wall of gyro wheel frame (10), and the upper surface in close contact with of gyro wheel and hopper bottom plate (1).
6. The utility pole erecting aid for electric power facilities as recited in claim 1, 2, 4 or 5, wherein: lifting mechanism (5) are equipped with installed part (502), the top of direction slide rail (2) is seted up flutedly, installed part (502) are located inside the recess, it changes roller (505) to rotate to be connected with between the inside wall of installed part (502), the upper surface bilateral symmetry fixedly connected with pneumatic cylinder (501) of car hopper bottom plate (1), two the upper end of pneumatic cylinder (501) piston rod all is connected with the lower fixed surface of installed part (502), the inside wall fixedly connected with limit stop (503) of direction slide rail (2), the last fixed surface that shifts frame (3) is connected with cooperation dog (504), cooperation dog (504) are located the rear of limit stop (503).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121883188.0U CN215595162U (en) | 2021-08-12 | 2021-08-12 | Telegraph pole erecting auxiliary device for electric power facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121883188.0U CN215595162U (en) | 2021-08-12 | 2021-08-12 | Telegraph pole erecting auxiliary device for electric power facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215595162U true CN215595162U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121883188.0U Active CN215595162U (en) | 2021-08-12 | 2021-08-12 | Telegraph pole erecting auxiliary device for electric power facility |
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| Country | Link |
|---|---|
| CN (1) | CN215595162U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115450483A (en) * | 2022-10-11 | 2022-12-09 | 李兵兵 | Engineering machinery for electric power telegraph pole |
| CN115593780A (en) * | 2022-12-13 | 2023-01-13 | 山西联达管业有限公司（Cn） | Fixing device for cement pipeline transportation |
-
2021
- 2021-08-12 CN CN202121883188.0U patent/CN215595162U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115450483A (en) * | 2022-10-11 | 2022-12-09 | 李兵兵 | Engineering machinery for electric power telegraph pole |
| CN115593780A (en) * | 2022-12-13 | 2023-01-13 | 山西联达管业有限公司（Cn） | Fixing device for cement pipeline transportation |
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