Rigid jumper device for strain tower

Abstract

The utility model discloses a rigid jumper device for a strain tower, which comprises a connecting pipe, flanges are arranged at the two ends of the connecting pipe, slotted holes are formed in the front sides of the flanges, positioning sheaths are arranged on the rear sides of flange holes of the flanges in an extending manner, threaded grooves are formed in the inner walls of the positioning sheaths and the inner walls of the flange holes, and threaded holes are formed in the threaded grooves. And bolts are in threaded connection with the inner walls of the threaded grooves, and weight boxes are fixedly connected to the left side and the right side of the connecting pipe correspondingly. By arranging the connecting pipes, the flanges and the bolts, when a plurality of connecting pipes are connected, the positioning sheath of the rear flange of the front-end connecting pipe is inserted into the slotted hole of the front flange of the rear-end connecting pipe for quick positioning, so that the mounting efficiency is improved; and by arranging a weight box, weight balancing can be freely carried out according to requirements, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rigid jumper devices, in particular to a rigid jumper device for a tension tower. Background Art

[0002] In the high-voltage transmission lines of the power system, the drainage jumper of the tension tower is directly related to the reliable operation of the conductor insulation suspension system, so it is a very important component. The drainage jumpers used in the past were all free-hanging jumpers, that is, multi-split jumpers of the same model as the conductor were used to form them naturally during construction. Due to the large sag of the jumper, the necessary gap cannot be guaranteed under large wind loads, especially when the project path is long, the pollution level is relatively high, and the insulator string is long. The molding is extremely complicated, which will inevitably lead to an oversized tower head. Not only does it increase the floor space, but it also greatly increases the project cost.

[0003] In the related art, for example, the Chinese patent with application number "200720093134.0" is named "squirrel cage rigid jumper device", which is composed of a connecting tube as the axis, a plurality of multi-conductor splitting spacers and at least one suspension connector fixed on the connecting tube. The utility model supports the jumper to form a squirrel cage, which not only allows multiple drainage jumpers to always maintain a fixed gap without sag when passing through the tension tower, but also has no joints at the jumper passing through the device. Compared with the prior art, it can significantly reduce line faults, effectively prevent the generation of corona, significantly improve the stability of the jumper, thereby reducing the creep fatigue of the jumper, and improving the electrical performance and operation reliability of the power system. At the same time, it can effectively reduce the height of the iron tower, appropriately reduce the root opening of the iron tower, reduce the occupied area, reduce the damage to green land and the loss of mountain body, and is beneficial to the protection of the ecological environment. It also has the advantages of simple and reasonable structure, convenient manufacture and use, pre-assembly molding, easy maintenance, low cost and long life, economical and practical, wide application range, and suitable for promotion and application.

[0004] Although the above patent improves the stability of the jumper, when the flange is used to connect the connecting pipes, they need to be fixed one by one using bolts and nuts. During the process, the flange holes need to be positioned, which is inefficient. The nuts are also very easy to be lost during the installation process, causing waste, and there is no mechanism to realize the counterweight of the connecting pipe. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide a rigid jumper device for a tension tower. Through the setting of connecting pipes, flanges and bolts, when connecting multiple connecting pipes, the positioning sheath of the rear flange of the front connecting pipe is inserted into the slot hole of the front flange of the rear connecting pipe for quick positioning, thereby improving the efficiency of installation; through the setting of the counterweight box, the weight can be freely counterbalanced according to needs, thereby improving the practicality of the device.

[0006] One of the purposes of the utility model is achieved by adopting the following technical solution: A rigid jumper device for a tension tower, comprising: a connecting pipe, flanges are provided at both ends of the connecting pipe, slots are provided on the front sides of the flanges, positioning sheaths are extended on the rear sides of the flange holes of the flanges, threaded grooves are provided on the inner walls of the positioning sheaths and the flange holes, bolts are threadedly connected to the inner walls of the threaded grooves, and counterweight boxes are fixedly connected to the left and right sides of the connecting pipe. By providing the connecting pipe, flanges, and bolts, when connecting multiple connecting pipes, the positioning sheath of the rear flange of the front connecting pipe is inserted into the slot of the front flange of the rear connecting pipe for rapid positioning, thereby improving the efficiency of installation; by providing the counterweight box, the weight can be freely counterbalanced according to the needs, thereby improving the practicality of the device.

[0007] According to the rigid jumper device for a tension tower, the counterweight box includes a box body, an open end of the box body is rotatably connected to a cover, and a counterweight block is installed in the cavity of the box body.

[0008] According to the rigid jumper device for a tension tower, a lock buckle is installed on the outer wall of the cover, and a lock groove corresponding to the lock buckle position is installed on the outer wall of the box body. The lock buckle is engaged with the lock groove to prevent the counterweight from falling and causing a safety accident.

[0009] A rigid jumper device for a tension tower is provided, wherein the outer wall of the flange at one end is fixedly connected with a split spacer rod for clamping the jumper.

[0010] According to the rigid jumper device for a tension tower, a suspension connector is fixedly connected to the top outer wall of the connecting pipe, and is connected to the suspension device of the tension tower for stable suspension.

[0011] According to the rigid jumper device for a tension tower, the shape of the positioning sheath is adapted to the shape of the slot.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 This is a three-dimensional diagram of a rigid jumper device for a tension tower according to the utility model;

[0015] Figure 2 This is a partial structural diagram of a rigid jumper device for a tension tower according to the utility model;

[0016] Figure 3This is a three-dimensional diagram of a counterweight box of a rigid jumper device for a tension tower according to the utility model;

[0017] Figure 4 The utility model is a partial cross-sectional view of a rigid jumper device for a tension tower.

[0018] Legend:

[0019] 1. Connecting pipe; 2. Flange; 3. Counterweight box; 4. Split spacer rod; 5. Suspension connector; 6. Bolt; 201. Slot hole; 202. Threaded groove; 203. Positioning sheath; 301. Box body; 302. Cover; 303. Lock buckle; 304. Lock groove; 305. Counterweight block. DETAILED DESCRIPTION

[0020] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0021] Reference Figure 1-4 The utility model embodiment is a rigid jumper device for a tension tower, which includes: a connecting pipe 1, both ends of the connecting pipe 1 are provided with flanges 2, the outer wall of the flange 2 at one end is fixedly connected with a split spacer 4 for clamping the jumper, the top outer wall of the connecting pipe 1 is fixedly connected with a suspension connector 5, which is connected to the suspension device of the tension tower for stable suspension, the front side of the flange 2 is provided with a slot 201, the rear side of the flange hole of the flange 2 is extended with a positioning sheath 203, the shape of the positioning sheath 203 is adapted to the shape of the slot 201, the positioning sheath 203 and the inner wall of the flange hole are provided with a threaded groove 202, the inner wall of the threaded groove 202 is threadedly connected with a bolt 6, and the left and right sides of the connecting pipe 1 are fixedly connected with a counterweight box 3;

[0022] The counterweight box 3 includes a box body 301, an open end of the box body 301 is rotatably connected to a cover 302, a counterweight block 305 is assembled in the cavity of the box body 301, a lock buckle 303 is installed on the outer wall of the cover 302, and a lock groove 304 corresponding to the position of the lock buckle 303 is installed on the outer wall of the box body 301. The lock buckle 303 is engaged with the lock groove 304 to prevent the counterweight block 305 from falling and causing a safety accident. By means of the provided connecting pipe 1, flange 2 and bolt 6, when connecting a plurality of connecting pipes 1, the positioning sheath 203 of the rear flange 2 of the front connecting pipe 1 is inserted into the slot 201 of the front flange 2 of the rear connecting pipe 1 for quick positioning. Meanwhile, the threaded grooves 202 of the two flanges 2 are located on the same through axis. The two threaded grooves 202 are then threadedly connected by bolts 6 to complete the connection of the two connecting pipes 1, thereby improving the efficiency of installation. By means of the provided counterweight box 3, when stability needs to be improved, the engagement between the lock buckle 303 and the lock slot 304 is released, the cover 302 is opened and the counterweight block 305 is filled into the cavity of the box body 301. Counterweighting can be freely performed according to needs, thereby improving the practicality of the device.

[0023] Working principle: During use, when connecting multiple connecting tubes 1, insert the positioning sheath 203 of the rear flange 2 of the front connecting tube 1 into the slot 201 of the front flange 2 of the rear connecting tube 1 for quick positioning. At the same time, the threaded grooves 202 of the two flanges 2 are located on the same through-axis. Then, use the bolt 6 to thread the two threaded grooves 202 through the threaded connection to complete the connection of the two connecting tubes 1. When stability needs to be improved, release the locking connection between the lock buckle 303 and the lock groove 304, open the cover 302 and fill the counterweight 305 into the cavity of the box body 301. After assembly, connect the suspension connector 5 to the suspension device of the tension tower for stable suspension, and clamp the multiple jumpers by the corresponding wire clamps on the split spacer rod 4.

[0024] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A rigid wire jumper device for a tension tower, comprising: A connecting pipe (1), characterized in that flanges (2) are provided at both ends of the connecting pipe (1), a slot hole (201) is provided on the front side of the flange (2), a positioning sheath (203) is extended from the rear side of the flange hole of the flange (2), a threaded groove (202) is provided on the inner wall of the positioning sheath (203) and the flange hole, a bolt (6) is threadedly connected to the inner wall of the threaded groove (202), and a counterweight box (3) is fixedly connected to the left and right sides of the connecting pipe (1).

2. A rigid wire jumper device for a tension tower according to claim 1, characterized in that: The counterweight box (3) comprises a box body (301), an open end of the box body (301) is rotatably connected to a cover (302), and a counterweight block (305) is installed in the cavity of the box body (301).

3. A rigid wire jumper device for a tension tower according to claim 2, characterized in that: The outer wall of the cover (302) is provided with a lock buckle (303), and the outer wall of the box body (301) is provided with a lock slot (304) corresponding to the position of the lock buckle (303), and the lock buckle (303) is engaged and connected with the lock slot (304).

4. A rigid wire jumper device for a tension tower according to claim 1, characterized in that: A split spacer rod (4) is fixedly connected to the outer wall of the flange (2) at one end.

5. A rigid wire jumper device for a tension tower according to claim 1, characterized in that: A suspension connection piece (5) is fixedly connected to the outer wall of the top end of the connection pipe (1).

6. A rigid wire jumper device for a tension tower according to claim 1, characterized in that: The shape of the positioning sheath (203) matches the shape of the slot hole (201).

Images