CN219065592U

CN219065592U - Intelligent step voltage detection trolley

Info

Publication number: CN219065592U
Application number: CN202223531071.3U
Authority: CN
Inventors: 周成祥; 唐亭; 夏成超; 黎慧; 刘庆豹; 汪开祥
Original assignee: Zhongyang Electric Power Technology Co ltd
Current assignee: Zhongyang Electric Power Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-23
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a step voltage intelligent detection trolley which comprises a driving main body, wherein a detection device is arranged on the surface of the driving main body, two support rods are arranged at the upper end of the driving main body, a support platform is fixedly connected to the tail ends of the support rods, a support sleeve is fixedly connected to the lower end of the support platform, a first detection device is arranged in the support sleeve, a second detection device is arranged at the lower end of the driving main body, the first detection device comprises a detection installation sleeve arranged in the support sleeve, the detection installation sleeve is elastically telescopic, a detection cover is arranged at the tail end of the detection installation sleeve, a conductive sheet is fixedly connected to the inner wall of the detection cover, and a drill bit is arranged in the detection installation sleeve. The utility model can detect voltage at multiple points in the same area at one time, the detection device can penetrate into soil layers, and the detection result is more accurate.

Description

Intelligent step voltage detection trolley

Technical Field

The utility model relates to the technical field of power detection equipment, in particular to an intelligent step voltage detection trolley.

Background

The power equipment and the periphery of the cable laid on the ground are required to take insulation measures, so that the damage caused by step voltage generation due to power leakage is avoided, the power leakage can be generated after the equipment is aged or damaged, the step voltage is generated, the waste of power is caused, and the damage is larger.

The traditional step voltage detection device is provided with two conductive bulges, the two conductive bulges are manually inserted into the ground to be attached to the ground, and the range of step voltage and the position of an electric leakage point can be calculated according to the potential difference between the two conductive bulges; however, for the leakage of power around a strong power setting, the potential difference between the two-point intervals of the step voltage is large, and there is a great risk that the worker enters the area.

Part of enterprises research out a step voltage detection mechanical trolley which can automatically run to a step voltage region to detect voltage, but most of the existing detection trolleys only cling detected conductive bulges to the surface layer of the ground, the detection mode is simple, and the detection result has errors; especially, current detection dolly is difficult to adapt to different earth's surface, and when the dry insulativity of ground was stronger, the testing result deviation was great this moment, can't satisfy step voltage and detect the demand.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a step voltage intelligent detection trolley which can detect voltage at multiple points in the same area at one time, and the detection device can penetrate into a soil layer, so that the detection result is more accurate.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the intelligent step voltage detection trolley comprises a driving main body, detection devices are arranged on the surface of the driving main body, two support rods are arranged at the upper end of the driving main body, a support platform is fixedly connected to the tail ends of the support rods, a support sleeve is fixedly connected to the lower end of the support platform, a first detection device is arranged in the support sleeve, a second detection device is arranged at the lower end of the driving main body, the first detection device comprises a detection installation sleeve arranged in the support sleeve, the detection installation sleeve is elastically telescopic, a detection cover is arranged at the tail end of the detection installation sleeve, a conductive sheet is fixedly connected to the inner wall of the detection cover, a drill bit is arranged in the detection installation sleeve and is connected with the detection installation sleeve through a connecting ring, and a driving device is arranged at the lower end of the support platform and used for controlling the drill bit to linearly move while rotating.

Preferably, the first detecting device, the second detecting device and the driving device are all electrically connected with the controller.

Preferably, the upper end of the driving main body is fixedly connected with a mounting rod, the supporting rods are rotationally connected with the mounting rod, and the side wall of the driving main body is provided with a control assembly, wherein the opening angle of the two supporting rods is controlled by the control assembly.

Preferably, the control assembly comprises two control rods, the first ends of the two control rods are connected with control blocks, the second ends of the control rods are rotatably connected with the corresponding side walls of the support rods, the side walls of the driving main body are rotatably connected with screw rods, and the screw rods penetrate through the control blocks and are in threaded connection with the control blocks.

Preferably, the driving device comprises a driving gear and an electric control device for controlling the driving gear to rotate, the inner wall of the driving gear is fixedly connected with a linkage protrusion, the surface of the main body of the drill bit is provided with a linkage groove matched with the linkage protrusion, and the main body of the drill bit penetrates through the supporting platform and is in threaded connection with the supporting platform.

Preferably, the supporting platform upper end fixedly connected with pumping device, pumping device includes the pump inflator, the inside sliding connection of pump inflator has the pump gas piston, pump gas piston passes through the connecting rod with drill bit main part and couples, form the pump gas cavity between pump gas piston and the pump inflator inner wall, pump gas cavity intercommunication has two pump gas pipelines, be provided with the check valve in the pump gas pipeline, first pump gas pipeline is linked together with detecting the installation sleeve.

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

by arranging the two support rods, and arranging two first detection devices and two second detection devices at the tail ends of the two support rods to be matched with each other, multipoint detection can be carried out in the same area at one time, and the efficiency of step voltage detection is improved; the side wall of the detection cover of the first detection device is provided with the conductive sheet, so that the contact area between the conductive sheet and the ground can be increased, and the detection efficiency and accuracy are improved; through setting up the drill bit and controlling the drill bit to rotate through drive arrangement, can go deep into soft soil layer through the drill bit, detect the soil layer that the depths humidity is higher, improved the precision of detection, overcome traditional detection dolly and detect difficult problem; two bracing pieces can be controlled through setting up control assembly and synchronous rotation reduces the space that the dolly occupy in the middle of the removal process, and operation process detects, and bracing piece and first detection device can detect the multiple spot of coplanar after rotating, improves detection efficiency, satisfies the detection demand.

Drawings

Fig. 1 is a schematic diagram of a three-dimensional structure of an intelligent step voltage detection trolley provided by the utility model;

fig. 2 is a schematic diagram of a top view structure of the intelligent step voltage detection trolley provided by the utility model;

FIG. 3 is a schematic diagram of a side view structure of the intelligent step voltage detection trolley provided by the utility model;

fig. 4 is a schematic structural diagram of a first detection device of the intelligent step voltage detection trolley provided by the utility model.

In the figure: 1. a driving body; 101. a mounting rod; 102. a second detection device; 2. a support rod; 201. a support platform; 202. a support sleeve; 3. a detection cover; 301. detecting the mounting sleeve; 302. a coupling ring; 4. a drill bit; 5. a driving device; 501. a drive gear; 502. an electric control device; 6. a pumping device; 601. a pump cylinder; 602. a pumping piston; 603. a connecting rod; 7. a control assembly; 701. a control lever; 702. a screw rod; 703. and (5) controlling the block.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit or scope of the utility model, which is therefore not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1-4, the intelligent step voltage detection trolley comprises a driving main body 1, wherein a detection device is arranged on the surface of the driving main body 1, and the detection device is contacted with the ground to realize the detection of step voltage; wherein two bracing pieces 2 are installed to drive main part 1 upper end, bracing piece 2 end fixedly connected with supporting platform 201, supporting platform 201 lower extreme fixedly connected with support sleeve 202, install first detection device in the support sleeve 202, drive main part 1 lower extreme is installed second detection device 102, two first detection device and second detection device 102 cooperate, control wherein two point positions in proper order and switch on, detect the potential difference between two point positions, can obtain multiunit detection data, improved automated inspection's efficiency.

The first detection device comprises a detection installation sleeve 301 arranged in the support sleeve 202, the detection installation sleeve 301 is elastically telescopic, a detection cover 3 is arranged at the tail end of the detection installation sleeve 301, the inner wall of the detection cover 3 is fixedly connected with conductive sheets, the conductive sheets are positioned at all positions on the inner surface of the detection cover 3, the conductive detection range can be enlarged, and the detection sensitivity is improved; the drill bit 4 is arranged in the detection mounting sleeve 301, the drill bit 4 is positioned in the detection mounting sleeve 301 and is connected through the connecting ring 302, the lower end of the supporting platform 201 is provided with the driving device 5, wherein the driving device 5 controls the drill bit 4 to rotate and simultaneously linearly move, the driving device 5 can control the drill bit 4 to rotate and simultaneously linearly move towards the direction of the detection cover 3, namely the ground direction, the drill bit 4 moves to have a first position and a second position, and when the drill bit 4 moves to the first position, the devices such as the connecting ring 302 can drive the detection cover 3 to synchronously move so as to be abutted against the ground, and the voltage detection work is completed; when the surface layer of the ground is dry and insulating substances exist, the drill bit 4 is controlled to continuously rotate and move to be in the second position, the drill bit 4 can dig the surface of the stratum, the first detection device can detect the deep soil layer, and the detection effect is better and more accurate; the connecting ring 302 is sleeved on the outer side of the drill bit 4 main body and is used for connecting the detection installation sleeve 301, the detection installation sleeve 301 is elastically telescopic, and the detection cover 3 can be abutted against the ground in the process of continuously moving the drill bit 4, so that the normal operation of voltage detection is ensured.

The first detection device, the second detection device 102 and the driving device 5 are electrically connected with a controller, and the two first detection devices and the second detection device 102 are automatically coordinated and controlled by the controller, so that step voltage detection can be automatically carried out on a plurality of points, and the detection efficiency is improved.

The upper end of the driving main body 1 is fixedly connected with a mounting rod 101, the supporting rods 2 are rotationally connected with the mounting rod 101, and the side wall of the driving main body 1 is provided with a control assembly 7, wherein the opening angle of the two supporting rods 2 is controlled by the control assembly 7, and the two supporting rods 2 are controlled to rotate by the control assembly 7, so that the opening angle of the supporting rods 2 can be controlled according to actual conditions; on one hand, the multi-point potential can be detected in situ, detection data are increased, and the result detection is more accurate; on the other hand, the angle between the two support rods 2 can be reduced in the moving process of the detection trolley, the width and the volume of the trolley in the driving process are reduced, the trafficability of the trolley is improved, different detection environments can be adapted, and the detection requirement is met.

As a preferred control mode; the control assembly 7 comprises two control rods 701, wherein a first end of each control rod 701 is connected with a control block 703, a second end of each control rod 701 is rotationally connected with the corresponding side wall of the corresponding support rod 2, a screw rod 702 is rotationally connected with the side wall of the driving main body 1, the screw rod 702 penetrates through the control block 703 and is in threaded connection with the control block 703, a motor is arranged in the driving main body 1 to control the screw rod 702 to rotate, the screw rod 702 can drive the control block 703 to linearly move in the rotating process, and then the two control rods are driven by the control rods 701 to rotate, so that a simple and synchronous control process is realized; the control mode is simple, the occupied volume is small, and the automatic detection device is suitable for automatic detection of the trolley.

Wherein drive arrangement 5 includes drive gear 501 and control drive gear 501 pivoted electric control device 502, drive gear 501 inner wall fixedly connected with linkage arch, the main part surface of drill bit 4 is opened has the linkage groove with the protruding looks adaptation of linkage, drill bit 4 main part runs through supporting platform 201 and threaded connection with it, in drive gear 501 pivoted in-process, under the cooperation in linkage arch and linkage groove, both can synchronous rotation, realize the drive process, and drill bit 4 and supporting platform 201 threaded connection, can linear movement in the in-process of pivoted, the cooperation in linkage arch and linkage groove can carry out spacingly to drill bit 4 removal, let its upper and lower linear movement, guarantee the stability of control.

The upper end of the supporting platform 201 is fixedly connected with a pumping device 6, and gas can be pumped out through the pumping device 6 to enter the inner side of the drill bit 4, so that the drill bit 4 can be cleaned, and the inside is clean; the pumping device 6 comprises a pumping cylinder 601, a pumping piston 602 is slidably connected in the pumping cylinder 601, the pumping piston 602 is connected with the main body part of the drill bit 4 through a connecting rod 603, a pumping chamber is formed between the pumping piston 602 and the inner wall of the pumping cylinder 601, two pumping pipelines are communicated with each other, a one-way valve is arranged in each pumping pipeline, the first pumping pipeline is communicated with the detection mounting sleeve 301, and in the process of synchronously moving downwards the pumping piston 602, the space in the pumping chamber is increased at the moment, and gas can be sucked from the second pumping pipeline; conversely, during the process of synchronously moving the pumping piston 602 upwards, the space in the pumping chamber is reduced, and the gas can be blown out from the first pumping pipeline, so that the inner wall of the support sleeve 202 is cleaned; the whole pumping process is automatically carried out in the drilling process, so that components are simplified, and the efficiency is improved.

When the utility model is used, in the process of detecting the step voltage, the driving main body 1 is controlled to move to a voltage area, at the moment, the two support rods 2 are controlled to be opened by a preset angle through the control component 7, after the whole structure is stable, the drill bit 4 is controlled to rotate to a first position through the driving device 5, at the moment, the detection cover 3 can move in a linkage way and is propped against the ground of the voltage area, the voltage of the area is detected through the two detection covers 3 and the second detection device 102 respectively through the control of the controller, so that the step voltage detection is automatically completed, multiple groups of data can be obtained by opening the support rods 2 to different positions through controlling the driving main body 1 to different angles, and the accurate position of electric leakage can be calculated according to the data.

When the region of detection is soft surface such as mud layer, can continue to rotate to the second position through drive arrangement 5 control drill bit 4 this moment, can dig the brill to soft top layer, can let detect cover 3 contact basic unit that the water content is higher, can improve the accuracy of detection, improve the efficiency of detection.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. Step voltage intellectual detection system dolly, including driving main part (1), driving main part (1) surface mounting has detection system, its characterized in that:

two bracing pieces (2) are installed to drive main part (1) upper end, bracing piece (2) end fixedly connected with supporting platform (201), supporting platform (201) lower extreme fixedly connected with supporting sleeve (202), install first detection device in supporting sleeve (202), second detection device (102) are installed to drive main part (1) lower extreme, first detection device is including setting up in supporting sleeve (202) detect installation sleeve (301), detect installation sleeve (301) elasticity is scalable, detect installation sleeve (301) end and install detection cover (3), detect cover (3) inner wall fixedly connected with conducting strip, be provided with drill bit (4) in detection installation sleeve (301), drill bit (4) are located detection installation sleeve (301), and connect through coupling ring (302) between the two, supporting platform (201) lower extreme is provided with drive arrangement (5), wherein through linear movement in the rotation of drive arrangement (5) control drill bit (4).

2. The intelligent step voltage detection trolley according to claim 1, wherein the first detection device, the second detection device (102) and the driving device (5) are all electrically connected with a controller.

3. The intelligent step voltage detection trolley according to claim 1, wherein the upper end of the driving main body (1) is fixedly connected with a mounting rod (101), the supporting rods (2) are rotatably connected with the mounting rod (101), a control component (7) is arranged on the side wall of the driving main body (1), and the opening angle of the two supporting rods (2) is controlled through the control component (7).

4. A step voltage intelligent detection trolley according to claim 3, characterized in that the control assembly (7) comprises two control rods (701), the first ends of the two control rods (701) are connected with control blocks (703), the second ends of the control rods (701) are rotatably connected with the side walls of the corresponding support rods (2), the side walls of the driving main body (1) are rotatably connected with screw rods (702), and the screw rods (702) penetrate through the control blocks (703) and are in threaded connection with the control blocks.

5. The intelligent step voltage detection trolley according to claim 1, wherein the driving device (5) comprises a driving gear (501) and an electric control device (502) for controlling the driving gear (501) to rotate, the inner wall of the driving gear (501) is fixedly connected with a linkage protrusion, a linkage groove matched with the linkage protrusion is formed in the surface of the main body of the drill bit (4), and the main body of the drill bit (4) penetrates through the supporting platform (201) and is in threaded connection with the supporting platform.

6. The intelligent step voltage detection trolley according to claim 1, wherein the upper end of the supporting platform (201) is fixedly connected with a pumping device (6), the pumping device (6) comprises a pumping cylinder (601), a pumping piston (602) is slidably connected inside the pumping cylinder (601), the pumping piston (602) is connected with the main body of the drill bit (4) through a connecting rod (603), a pumping chamber is formed between the pumping piston (602) and the inner wall of the pumping cylinder (601), two pumping pipelines are communicated with each other, a one-way valve is arranged in each pumping pipeline, and the first pumping pipeline is communicated with the detection mounting sleeve (301).