CN207684666U - A kind of pole tower ground resistance measurement take-up and pay-off device - Google Patents

Abstract

The utility model discloses a wire receiving and releasing device for measuring the grounding resistance of a pole tower, which comprises two side panels arranged oppositely at intervals, and the two side panels are connected together through support columns; a winding shaft and an optical axis are installed between the two side panels , a synchronous pulley is installed in the same end corresponding to the winding shaft and the optical axis, the two synchronous pulleys are connected by a synchronous belt, a take-up reel is installed in the winding shaft, and a host router is installed in the optical axis; A screw is also installed between the two side panels. The screw is located under the router of the main engine. Two limit nuts are set in the screw. The distance between the two limit nuts is equal to the width of the take-up reel. In the router of the host A commutator is provided; two vertical limit rollers are installed on the surface of the host router. The device can quickly and well realize wire take-up and wiring, thereby solving the technical problem in the prior art that the cable metal wires are damaged due to cable take-up winding and uneven bundling.

Description

A kind of take-up and release device for tower grounding resistance measurement

technical field

The utility model relates to electric power auxiliary equipment, in particular to a wire receiving and releasing device for measuring grounding resistance of a tower.

Background technique

The line tower grounding device is an important part of the transmission line, and its main function is lightning protection. The grounding device has been buried underground for a long time, and will be corroded to varying degrees due to the influence of address factors. To determine whether the grounding device meets the requirements for use, it is necessary to test the grounding grid to determine whether the grounding grid should be repaired. When measuring, the probe driven into the ground surface according to regulations is connected with the terminal button of the grounding resistance measuring instrument with a cable. However, when the cable of the existing grounding device is retracted and released, the angle of retraction and release does not correspond, so that the cable is twisted and bundled for a long time, resulting in deformation, fracture, etc., and it is easy to cause damage to the metal wire inside the insulated wire. Because the damage to the metal wire inside the insulated wire is not easy to be discovered by the staff in time, it brings great inconvenience to the on-site measurement and affects the measurement quality and work efficiency.

Contents of the invention

The purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art, and provide a wire-retracting and releasing device for measuring the grounding resistance of a pole tower, so as to facilitate the wire-receiving of cables, thereby ensuring the measurement quality and work efficiency.

In order to achieve the above object, the technical solution of the utility model is:

A wire-receiving and releasing device for measuring the grounding resistance of a pole tower, comprising two side panels oppositely arranged at intervals, and the two side panels are connected together by support columns; a winding shaft and an optical shaft are installed between the two side panels, and the winding shaft and the optical shaft The same end corresponding to the shaft is equipped with a synchronous pulley, and the two synchronous pulleys are connected by a synchronous belt. A take-up reel is installed in the winding shaft, and the take-up reel is driven by the winding shaft. Router, the host router is driven by the optical axis to move in a straight line in the optical axis. There are two limit gear nuts, the distance between the two limit gear nuts is equal to the width of the take-up reel, a commutator is set in the host router, when the commutator touches the limit gear nut, the host wiring The device changes its moving direction in the optical axis; two vertical limit rollers are installed on the surface of the host router, and the gap between the two vertical limit rollers corresponds to the diameter of the cable to be taken up .

A rocking handle is installed at the other end of the winding shaft.

A positioning bar is also installed between the two side panels, and the positioning bar is arranged behind the host router to prevent the host router from rotating along the axis of the optical axis.

Two horizontal limit rollers are installed on the surface of the host router, and the gap between the two horizontal limit rollers corresponds to the diameter of the cable to be taken up.

Compared with the prior art, the utility model has the beneficial effects of:

When using this quick take-up device, you only need to pass the cable to be taken up through the gap between the two vertical limit rollers, and the vertical limit roller will slightly clamp and position the cable, and put a part The cable is wound on the take-up reel, and then the reel can be rotated to drive the take-up reel to rotate to take up the wire. Since the reel and the optical axis rotate synchronously, that is to say, the take-up reel and the optical axis will rotate synchronously , the host router will also move synchronously due to the rotation of the take-up reel, so that the cables can be evenly arranged in the take-up reel. When the commutator of the host router moves to the limit gear, It means that the cables have been arranged in one layer in the take-up reel. At this time, the host router will change its moving direction in the optical axis until the commutator touches another limit gear and then changes back. The reciprocating cycle can quickly and well realize the take-up and wiring, thereby solving the technical problem of the prior art that the cable metal wires are damaged due to the winding and uneven binding of the cable take-up.

Description of drawings

Fig. 1 is a structural schematic diagram of a tower grounding resistance measurement take-up and release device provided by an embodiment of the utility model;

Fig. 2 is the top view of Fig. 1;

In the figure: 1. Side panel; 2. Bracket column; 3. Winding shaft; 4. Optical axis; 5. Synchronous pulley; 6. Synchronous belt; 10. Limit gear nut; 11. Commutator; 12. Vertical limit roller; 13. Cable; 14. Rocker; 15. Positioning bar; 16. Unlocker; 17. Horizontal limit roller.

Detailed ways

The content of the present utility model will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

Example:

Referring to Fig. 1 , it is a schematic structural diagram of the tower grounding resistance measurement take-up and release device provided in this embodiment. The take-up device includes two side panels 1 oppositely arranged at intervals, and the two side panels 1 are connected by support columns 2 Together, thereby forming a bracket; between the two side panels 1, a winding shaft 3 and an optical shaft 4 are installed, and a synchronous pulley 5 is installed at the same end corresponding to the bobbin 3 and optical shaft 4, between the two synchronous pulleys 5 Connected by the synchronous belt 6, that is to say, under the action of the synchronous belt 6, the winding shaft 3 and the optical shaft 4 can realize synchronous rotation; 3 is driven to rotate, the host router 8 is installed in the optical axis 4, and the host router 8 is driven by the optical axis 4 to move linearly in the optical axis 4, and the take-up reel 7 and the host router 8 are arranged front and back; 1 is also installed with screw rod 9, and screw rod 9 is positioned at the below of host router 8, is provided with two limit gear nuts 10 in screw rod 9, and the distance between two limit gear nuts 10 is equal to the width of take-up reel 7, A commutator 11 is arranged in the host router 8, and when the commutator 11 touches the limit gear female 10, the host router 8 changes its moving direction in the optical axis 4; Two vertical limit rollers 12 are installed on the surface, and the gap between the two vertical limit rollers 12 corresponds to the diameter of the cable 13 to be taken up.

When using this fast wire take-up device, it is only necessary to pass the cable 13 to be taken up through the gap between the two vertical limit rollers 12, and the cable 13 is slightly clamped and positioned by the vertical limit roller 12 , and wind a part of the cable 13 in the take-up reel 7, then you can rotate the winding reel 3 to drive the take-up reel 7 to rotate to take up the wire, because the winding reel 3 and the optical axis 4 rotate synchronously, that is to say, The take-up reel 7 and the optical axis 4 will realize synchronous rotation, and the host router 8 will also move synchronously due to the rotation of the take-up reel 7, so that the cables 13 can be evenly arranged in the take-up reel 7. When the commutator 11 of the router 8 moves and touches the limit gear 10, it means that the cables 13 have been arranged in one layer in the take-up reel 7. 4, until the commutator 11 touches another limit gear nut 10 and then changes back, and the reciprocating cycle can realize the take-up and wiring quickly and well, thus solving the problem of cable take-up in the prior art. The technical problem of damage to the cable metal wire caused by wire winding and uneven bundling.

As a preference of this embodiment, a handle 14 is installed on the other end of the above-mentioned winding shaft 3, and the take-up reel 7 can be driven to rotate by shaking the handle 14, so as to facilitate operation. Certainly, in other embodiments, the rotation of the winding shaft 3 may also adopt other methods, such as the transmission method of a motor pulley.

As another preference of this embodiment, a positioning bar 15 is also installed between the above-mentioned two side panels 1, and the positioning bar 15 is arranged behind the host router 8 to prevent the host router 8 from moving along the optical axis 4. The axis rotates to further ensure the quality of the take-up line.

As another preference of this embodiment, two horizontal limit rollers 17 are installed on the surface of the host router 8, and the gap between the two horizontal limit rollers 17 has the same diameter as the cable 13 to be taken up. Correspondingly, to further improve the positioning of the cable 13 and ensure the reliability and stability of the cable 13 during the winding process.

As a further preference of this embodiment, an unlocker 16 is provided in the host router 8. When the unlocker 16 is opened, the host router 8 can be moved quickly on the optical axis 4 by hand; At 16 o'clock, the movement of the host router 8 is driven by the rotation of the optical axis 4 .

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to allow those of ordinary skill in the art to understand the content of the present utility model and implement it accordingly, and cannot limit the protection scope of the present utility model with this . All equivalent changes or modifications made according to the essence of the content of the present invention shall fall within the scope of protection of the present invention.

Claims (4)

1. a kind of pole tower ground resistance measures take-up and pay-off device, which is characterized in that and the side panel that sets opposite including two intervals, two It is linked together by stent strut between side panel；Roll and optical axis are installed between the panel of both sides, in roll and light It is mounted on synchronous pulley in the corresponding the same end of axis, is connected by synchronous belt between two synchronous pulleys, is pacified in roll Equipped with take-up reel, take-up reel is driven by roll and is rotated, and host wiring unit is equipped in optical axis, host wiring unit is by optical axis band It moves and is moved in optical axis cathetus, take-up reel and host wiring unit are front and back setting；Screw rod, spiral shell are also equipped between the panel of both sides Bar is located at the lower section of host wiring unit, and two limit shelves mothers are provided in screw rod, and the distance between two limit shelves mothers are equal to take-up The width of disk is provided with commutator in host wiring unit, and when commutator touches limit shelves mother, host wiring unit then changes Its moving direction in optical axis；Two vertical limit roller bearings, two vertical limit roller bearings are installed on the surface of host wiring unit Between gap it is corresponding with the cable diameter of take-up is waited for.

2. pole tower ground resistance as described in claim 1 measures take-up and pay-off device, which is characterized in that in the another of the roll One end is equipped with rocking handle.

3. pole tower ground resistance as claimed in claim 1 or 2 measures take-up and pay-off device, which is characterized in that in both sides panel it Between be also equipped with positioning strip, the positioning strip is set to the rear of host wiring unit, for preventing host wiring unit along optical axis Axis rotation.

4. pole tower ground resistance as claimed in claim 2 measures take-up and pay-off device, which is characterized in that in the host wiring unit Surface on two Horizontal limiting roller bearings are installed, the gap between two Horizontal limiting roller bearings is opposite with the cable diameter of take-up is waited for It answers.