CN216215464U - Electric power iron tower high-voltage line preloading device - Google Patents
Electric power iron tower high-voltage line preloading device Download PDFInfo
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- CN216215464U CN216215464U CN202122434706.7U CN202122434706U CN216215464U CN 216215464 U CN216215464 U CN 216215464U CN 202122434706 U CN202122434706 U CN 202122434706U CN 216215464 U CN216215464 U CN 216215464U
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Abstract
The utility model discloses a pre-tightening device for a high-voltage wire of an electric iron tower, which comprises a fixed plate, a rotary head, a chain wheel and a chain, wherein a screw penetrates through the middle of the fixed plate, fastening nuts are arranged at two ends of the screw, and two mounting plates are symmetrically welded in the middle of one side wall of the fixed plate. Has the advantages that: according to the utility model, through the design of the rotary head, the square hole, the spring, the chain wheel, the chain, the insection and the tooth socket, the tightness degree of the high-voltage wire after pre-tightening can be adjusted according to the actual use requirement, the use requirement of high-voltage wire efficient installation is met, the subsequent installation efficiency of the high-voltage wire is ensured, through the design of the clamping plate, the adjusting screw, the pressing plate and the installation frame, the high-voltage wire can be fixed only through single screwing operation, the trouble of gradual screwing and fastening is effectively avoided, and the fastening efficiency of the high-voltage wire during pre-tightening is greatly improved.
Description
Technical Field
The utility model relates to the technical field of electric power iron tower high-voltage wire pre-tightening, in particular to an electric power iron tower high-voltage wire pre-tightening device.
Background
High voltage line generally refers to a transmission line carrying voltages above 10 kV. The voltage grades of the high-voltage transmission lines in China are generally divided into: 35kV, 110kV, 220kV, 330kV, 500kV, 750kV and the like. Generally, high-voltage lines are often pre-tensioned when they are installed on a power tower.
However, the conventional electric power iron tower high-voltage wire pre-tightening device cannot realize convenient adjustment of the pre-tightening degree of the high-voltage wire according to actual use needs in the using process, and cannot meet the use requirement of high-voltage wire efficient installation.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the power tower high-voltage wire pre-tightening device is provided, and the problems that the conventional power tower high-voltage wire pre-tightening device cannot realize convenient adjustment of the pre-tightening degree of a high-voltage wire according to actual use requirements in the using process and cannot meet the use requirement of high-voltage wire efficient installation, and the conventional power tower high-voltage wire pre-tightening device is mainly realized by gradually screwing the high-voltage wire when the high-voltage wire is fastened, so that the fastening efficiency of the high-voltage wire is relatively low when the high-voltage wire is pre-tightened and fixed are solved.
(II) technical scheme
The utility model is realized by the following technical scheme: the utility model provides a pre-tightening device for a high-voltage wire of an electric iron tower, which comprises a fixed plate, a rotary head, a chain wheel and a chain, wherein a screw penetrates through the middle part of the fixed plate, fastening nuts are arranged at two ends of the screw, two mounting plates are symmetrically welded at the middle part of one side wall of the fixed plate, a rotating shaft is arranged in the middle part of the mounting plates, the chain wheel is inserted on the rotating shaft, the chain is meshed on the chain wheel, a square head is arranged at one end of the rotating shaft, a spring is arranged at one end of the square head, the rotary head is arranged at one end of the spring far away from the square head, a square hole is arranged in the rotary head close to the spring, annular insections are arranged at the periphery of one side wall of the rotary head, an annular tooth socket is arranged at the connecting part of the mounting plates and the insections, a clamping plate is connected at one end of the chain far away from the fixed plate through a hook, and a U-shaped mounting frame is arranged in the middle part of the bottom end of the clamping plate, the middle part of the bottom end of the mounting frame is provided with an adjusting screw rod, and the top end of the adjusting screw rod is provided with a pressing plate.
Furthermore, the fastening nut is screwed with the screw rod, and a hollow structure is adopted at the joint of the fixing plate and the screw rod.
By adopting the technical scheme, the fastening nut is matched with the screw rod to realize reliable fixation of the device.
Further, the pivot with the mounting panel rotates to be connected, square head shaping in the pivot, square head with quad slit sliding connection.
Through adopting above-mentioned technical scheme, square head with the quad slit cooperation can be realized the convenient rotation of pivot.
Furthermore, the spring is welded with the square head and the rotating head, and the insection is meshed with the tooth groove.
By adopting the technical scheme, the reliable limit of the rotary head can be realized by matching the insection with the tooth socket.
Further, the clamping plate is welded with the mounting frame, and the adjusting screw rod is in threaded connection with the mounting frame.
By adopting the technical scheme, the adjusting screw can realize the reliable compression of the pressing plate.
Furthermore, the adjusting screw is rotatably connected with the pressing plate, and the pressing plate is slidably connected with the mounting frame.
By adopting the technical scheme, the normal sliding of the pressing plate can be realized.
(III) advantageous effects
Compared with the prior art, the utility model has the following beneficial effects:
1. in order to solve the problems that the existing electric iron tower high-voltage wire pre-tightening device cannot realize convenient adjustment of the pre-tightening degree of the high-voltage wire according to actual use requirements in the use process and cannot meet the use requirements of high-voltage wire efficient installation, the utility model ensures that the tightness degree of the high-voltage wire after pre-tightening can be adjusted according to the actual use requirements through the design of the rotary head, the square hole, the spring, the chain wheel, the chain, the insections and the tooth grooves, so that the use requirements of high-voltage wire efficient installation are met, and the subsequent installation efficiency of the high-voltage wire is ensured;
2. in order to solve the problem that the fastening efficiency of the high-voltage wire is low when the high-voltage wire is fastened by the conventional electric iron tower high-voltage wire pre-tightening device mainly in a gradual screwing mode, the high-voltage wire can be fixed only through single screwing operation through the design of the clamping plate, the adjusting screw rod, the pressing plate and the mounting frame, the trouble of gradual screwing and fastening is effectively avoided, and the fastening efficiency of the high-voltage wire during pre-tightening is greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a pre-tightening device for a high-voltage line of an electric iron tower according to the utility model;
FIG. 2 is a bottom cross-sectional view of a clamping plate, a mounting frame and a pressing plate of the electric power iron tower high-voltage wire pre-tightening device according to the utility model;
fig. 3 is a schematic connection relationship diagram of a mounting plate, a rotating shaft, a square head and a rotating head in the electric iron tower high-voltage line pre-tightening device.
The reference numerals are explained below:
1. turning the head; 2. a sprocket; 3. mounting a plate; 4. a chain; 5. a splint; 6. pressing a plate; 7. adjusting the screw rod; 8. a mounting frame; 9. fastening a nut; 10. a fixing plate; 11. a screw; 12. a rotating shaft; 13. a tooth socket; 14. insection; 15. a square hole; 16. a spring; 17. a square head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
As shown in fig. 1-3, the electric iron tower high-voltage line pre-tightening device in this embodiment includes a fixing plate 10, a rotary head 1, a chain wheel 2 and a chain 4, a screw 11 penetrates through the middle of the fixing plate 10, fastening nuts 9 are installed at both ends of the screw 11, two mounting plates 3 are symmetrically welded at the middle of one side wall of the fixing plate 10, a rotating shaft 12 is installed at the middle of the mounting plate 3, the chain wheel 2 is inserted into the rotating shaft 12, the chain 4 is engaged with the chain 2, a square head 17 is installed at one end of the rotating shaft 12, a spring 16 is installed at one end of the square head 17, the rotary head 1 is installed at the end of the spring 16 far away from the square head 17, a square hole 15 is installed in the rotary head 1 near the spring 16, an annular tooth pattern 14 is installed on the periphery of one side wall of the rotary head 1, an annular tooth space 13 is installed at the connection position of the mounting plate 3 with the tooth pattern 14, and a clamping plate 5 is connected to the end of the chain 4 far away from the fixing plate 10 through a hook, the middle part of the bottom end of the clamping plate 5 is provided with a U-shaped mounting rack 8, the middle part of the bottom end of the mounting rack 8 is provided with an adjusting screw 7, and the top end of the adjusting screw 7 is provided with a pressing plate 6.
As shown in fig. 1 and fig. 3, in this embodiment, fastening nut 9 and screw rod 11 connect with each other, the place where fixing plate 10 connects with screw rod 11 adopts hollow structure, fastening nut 9 and screw rod 11 cooperate to realize reliable fixing of device, rotating shaft 12 is connected with mounting panel 3 rotation, square head 17 is formed on rotating shaft 12, square head 17 and square hole 15 sliding connection, square head 17 and square hole 15 cooperate to realize convenient rotation of rotating shaft 12, spring 16 and square head 17 and rotating head 1 are all welded, insection 14 is meshed with tooth's socket 13, insection 14 and tooth's socket 13 cooperate to realize reliable spacing of rotating head 1.
As shown in fig. 1-2, in this embodiment, the clamping plate 5 is welded to the mounting frame 8, the adjusting screw 7 is in threaded connection with the mounting frame 8, the adjusting screw 7 can achieve reliable compression of the pressing plate 6, the adjusting screw 7 is rotatably connected to the pressing plate 6, and the pressing plate 6 is slidably connected to the mounting frame 8, so that normal sliding of the pressing plate 6 can be achieved.
The specific implementation process of this embodiment is as follows: when in use, the hole on the fixing plate 10 is aligned with the corresponding plate hole on the electric tower, the screw rod 11 penetrates through the fixing plate 10 and the plate hole on the electric tower according to the mode shown in figure 1 to realize the reliable installation and fixation of the device, then one end of the high-voltage wire to be pre-tightened penetrates between the pressing plate 6 and the clamping plate 5, and the adjusting screw rod 7 is screwed to realize the reliable closing of the pressing plate 6, so as to realize the reliable fixation of the high-voltage wire, after the high-voltage wire is fastened, the device can be put into use, wherein the rotary head 1 can be pulled outwards according to actual requirements in the using process to separate the insection 14 from the tooth groove 13 and ensure that the square head 17 is always positioned in the square hole 15, then the rotation of the rotary shaft 12 and the chain wheel 2 can be realized only by rotating the rotary head 1, the chain wheel 2 can be wound and unwound to realize the adjustment of the tightness of the high-voltage wire, ensuring the flexibility of the device.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention. Various modifications and improvements of the technical solutions of the present invention may be made by those skilled in the art without departing from the design concept of the present invention, and the technical contents of the present invention are all described in the claims.
Claims (6)
1. The utility model provides an electric power iron tower high-voltage line preloading device which characterized in that: the chain wheel type chain wheel comprises a fixing plate (10), a rotary head (1), a chain wheel (2) and a chain (4), wherein a screw rod (11) penetrates through the middle of the fixing plate (10), fastening nuts (9) are installed at two ends of the screw rod (11), two mounting plates (3) are symmetrically welded at the middle of one side wall of the fixing plate (10), a rotating shaft (12) is installed in the middle of each mounting plate (3), the chain wheel (2) is connected onto the rotating shaft (12) in an inserted mode, the chain (4) is meshed onto the chain wheel (2), a square head (17) is arranged at one end of the rotating shaft (12), a spring (16) is arranged at one end of the square head (17), the rotary head (1) is arranged at one end, far away from the square head (17), a square hole (15) is formed in the rotary head (1) and close to the spring (16), annular gear patterns (14) are arranged on the periphery of one side wall of the rotary head (1), mounting panel (3) go up with insection (14) department of linking to each other is provided with annular tooth's socket (13), keep away from chain (4) fixed plate (10) one end is connected with splint (5) through the couple, splint (5) bottom middle part is provided with mounting bracket (8) of U type, mounting bracket (8) bottom middle part is provided with adjusting screw (7), adjusting screw (7) top is provided with clamp plate (6).
2. The electric power tower high-voltage wire pre-tightening device according to claim 1, characterized in that: the fastening nut (9) is screwed with the screw rod (11), and the joint of the fixing plate (10) and the screw rod (11) adopts a hollow structure.
3. The electric power tower high-voltage wire pre-tightening device according to claim 1, characterized in that: the pivot (12) with mounting panel (3) rotate to be connected, square head (17) shaping in on pivot (12), square head (17) with quad slit (15) sliding connection.
4. The electric power tower high-voltage wire pre-tightening device according to claim 1, characterized in that: the spring (16) is welded with the square head (17) and the rotating head (1), and the insection (14) is meshed with the tooth groove (13).
5. The electric power tower high-voltage wire pre-tightening device according to claim 1, characterized in that: the clamping plate (5) is welded with the mounting rack (8), and the adjusting screw rod (7) is in threaded connection with the mounting rack (8).
6. The electric power tower high-voltage wire pre-tightening device according to claim 1, characterized in that: the adjusting screw rod (7) is rotatably connected with the pressing plate (6), and the pressing plate (6) is slidably connected with the mounting rack (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122434706.7U CN216215464U (en) | 2021-10-09 | 2021-10-09 | Electric power iron tower high-voltage line preloading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122434706.7U CN216215464U (en) | 2021-10-09 | 2021-10-09 | Electric power iron tower high-voltage line preloading device |
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| Publication Number | Publication Date |
|---|---|
| CN216215464U true CN216215464U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122434706.7U Active CN216215464U (en) | 2021-10-09 | 2021-10-09 | Electric power iron tower high-voltage line preloading device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117277185A (en) * | 2023-09-25 | 2023-12-22 | 江苏恒康电力科技有限公司 | Narrow base angle steel tower with adjustable cable sag |
| CN117691528A (en) * | 2024-02-02 | 2024-03-12 | 国网山东省电力公司菏泽市定陶区供电公司 | Cable tightening device for double-row cable installation |
-
2021
- 2021-10-09 CN CN202122434706.7U patent/CN216215464U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117277185A (en) * | 2023-09-25 | 2023-12-22 | 江苏恒康电力科技有限公司 | Narrow base angle steel tower with adjustable cable sag |
| CN117277185B (en) * | 2023-09-25 | 2024-04-26 | 江苏恒康电力科技有限公司 | Narrow base angle steel tower with adjustable cable sag |
| CN117691528A (en) * | 2024-02-02 | 2024-03-12 | 国网山东省电力公司菏泽市定陶区供电公司 | Cable tightening device for double-row cable installation |
| CN117691528B (en) * | 2024-02-02 | 2024-04-12 | 国网山东省电力公司菏泽市定陶区供电公司 | Cable tightening device for double-row cable installation |
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