Double-jaw grounding resistance tester

Abstract

The utility model relates to the technical field of electric power engineering, in particular to a double-jaw grounding resistance tester, which comprises a tester main body, an intelligent display is connected to the end face of the tester main body, an adjustable detection structure is connected to the side wall of the tester main body, and the adjustable detection structure comprises a fixed connecting plate. The fixed connecting plate is connected to the side wall of the tester main body, and electric telescopic rods are symmetrically connected to the end face of the fixed connecting plate. According to the utility model, the adjustable detection structure is arranged in the double-jaw grounding resistance tester, so that the driving motor in the adjustable detection structure passes through the transmission structure, and the detection precision is improved; according to the double-jaw grounding resistance tester provided by the utility model, the design of the test interval can be accurately adjusted, so that the resistance value between fixed intervals can be more accurately tested in the use process of the double-jaw grounding resistance tester, the test data is more accurate, and the problem that the test value is not accurate enough is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power engineering, in particular to a double-jaw grounding resistance tester. Background Art

[0002] At present, most of the resistance connecting rods of ground resistance testers are manually inserted into the ground during testing, so that the spacing between two sets of resistance connecting rods when inserted into the ground is uncertain, thus affecting the test value. In view of the above problems, it is necessary to provide a double-jaw ground resistance tester. Utility Model Content

[0003] The utility model aims to provide a double-jaw ground resistance tester to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A double-jaw ground resistance tester comprises a tester body, an intelligent display is connected to the end surface of the tester body, and an adjustable detection structure is connected to the side wall of the tester body;

[0006] The adjustable detection structure includes a fixed connecting plate, which is connected to the side wall of the tester body, and an electric telescopic rod is symmetrically connected to the end surface of the fixed connecting plate. The driving end of the electric telescopic rod is connected to a fixed box through a connecting bracket, and a driving motor is connected to the end surface of the partition of the inner cavity of the fixed box. The driving end of the driving motor is connected to a driving rod through a coupling, and the other end of the driving rod is meshed with a driven bevel gear through a driving bevel gear. The center of the driven bevel gear is connected to a rotating rod, and a driving gear is connected to the side wall of the rotating rod. A driven rack is symmetrically meshed with the side wall of the driving gear, and a fixed slide rail is connected to the side wall of the driven rack. The fixed slide rail is connected to the side wall of the inner cavity of the fixed box, one end of the driven rack is connected to a fixed connecting rod, and the other end of the fixed connecting rod is connected to a scissor-type lifting frame, and resistance connecting rods are connected to the rotating shafts at both ends of the scissor-type lifting frame.

[0007] As a preferred solution of the utility model, two sets of resistance clamps are connected to the tester body, and the electric telescopic rod is connected to the intelligent display through a wire and the connection method is electrical connection.

[0008] As a preferred solution of the utility model, the driving motor is connected to the intelligent display through a wire and the connection method is electrical connection, and the driving rod is connected to the end face of the inner cavity partition of the fixed box through a bearing seat, and the connection method between the driving rod and the bearing seat is rotational connection.

[0009] As a preferred solution of the utility model, the rotating rod is connected to the upper and lower end surfaces of the inner cavity of the fixed box through a bearing seat, wherein the connection mode of the rotating rod and the bearing seat is a rotating connection.

[0010] As a preferred solution of the utility model, a slide groove is provided on the fixed slide rail and corresponds to the driven rack, wherein the driven rack and the slide groove are connected in a sliding manner.

[0011] As a preferred solution of the utility model, a slide groove is provided on the fixed box body and corresponds to the fixed connecting rod, wherein the fixed connecting rod and the slide groove are connected in a sliding manner, and the other end of the fixed connecting rod is connected to the rotating shaft of the scissor-type lifting frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, an adjustable detection structure is provided in the double-jaw ground resistance tester, so that the driving motor in the adjustable detection structure is used through the transmission structure to accurately adjust the design of the test spacing, so that during the use of the double-jaw ground resistance tester, the resistance value between the fixed spacing can be tested more accurately, so that the test data is more accurate, thereby solving the problem of inaccurate test values. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the positive measurement structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the adjustable detection structure of the utility model;

[0016] Figure 3 For this utility model Figure 2 Schematic diagram of some structures.

[0017] In the figure: 1. Tester body; 2. Intelligent display; 3. Adjustable detection structure; 301. Fixed connecting plate; 302. Electric telescopic rod; 303. Fixed box; 304. Driving motor; 305. Driving rod; 306. Driving bevel gear; 307. Driven bevel gear; 308. Rotating rod; 309. Driving gear; 310. Driven rack; 311. Fixed slide rail; 312. Fixed connecting rod; 313. Scissor lift; 314. Resistance connecting rod. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0019] For example, please refer to Figure 1-3 , the utility model provides a technical solution:

[0020] A double-jaw ground resistance tester comprises a tester body 1, an intelligent display 2 is connected to the end surface of the tester body 1, and an adjustable detection structure 3 is connected to the side wall of the tester body 1;

[0021] In this embodiment, reference Figure 1 , Figure 2 and Figure 3The adjustable detection structure 3 includes a fixed connecting plate 301, the fixed connecting plate 301 is connected to the side wall of the tester body 1, and the end surface of the fixed connecting plate 301 is symmetrically connected with an electric telescopic rod 302, and the driving end of the electric telescopic rod 302 is connected to a fixed box 303 through a connecting bracket, and a driving motor 304 is connected to the end surface of the inner cavity partition of the fixed box 303, and the driving motor 304 is started under the condition that the driving motor 304 is connected to the intelligent display 2 through a wire and the connection mode is electrical connection, so that the driving end of the driving motor 304 rotates, The driving end of the driving motor 304 is connected to a driving rod 305 through a coupling, and the driving rod 305 is connected to the end surface of the inner cavity partition of the fixed box body 303 through a bearing seat, wherein the driving rod 305 and the bearing seat are connected in a rotating manner to drive the driving rod 305 to rotate under the condition that the other end of the driving rod 305 is meshed with a driven bevel gear 307 through a driving bevel gear 306 to drive the driven bevel gear 307 to rotate, and a rotating rod 308 is connected at the center of the driven bevel gear 307, and the rotating rod 308 is connected to the fixed box body through a bearing seat. On the upper and lower end surfaces of the inner cavity 303, the connection mode of the rotating rod 308 and the bearing seat is to drive the rotating rod 308 to rotate under the condition of rotation connection, a fixed slide rail 311 is connected to the side wall of the driven rack 310, and the fixed slide rail 311 is connected to the side wall of the inner cavity of the fixed box 303, one end of the driven rack 310 is connected to a fixed connecting rod 312, and the other end of the fixed connecting rod 312 is connected to a scissor-type lifting frame 313, and the rotating shafts at both ends of the scissor-type lifting frame 313 are connected to resistance connecting rods 314, and the side wall of the rotating rod 308 is connected to a driving gear 30 9, a driven rack 310 is symmetrically meshed and connected on the side wall of the driving gear 309, a slide groove is provided on the fixed slide rail 311 and corresponds to the driven rack 310, wherein the driven rack 310 is connected to the slide groove in a sliding manner, and a slide groove is provided on the fixed box 303 and corresponds to the fixed connecting rod 312, wherein the fixed connecting rod 312 is connected to the slide groove in a sliding manner, thereby making the two sets of driven racks 310 move in opposite directions, thereby adjusting the distance between the scissor lift 313, and further determining the distance between the two sets of resistance connecting rods 314;

[0022] Among them, the driving motor 304 is connected to the smart display 2 through a wire and the connection method is electrical connection, the driving rod 305 is connected to the end face of the inner cavity partition of the fixed box 303 through a bearing seat, wherein the connection method of the driving rod 305 and the bearing seat is a rotational connection, the rotating rod 308 is connected to the upper and lower end faces of the inner cavity of the fixed box 303 through the bearing seat, wherein the connection method of the rotating rod 308 and the bearing seat is a rotational connection, a sliding groove is opened on the fixed slide rail 311 and corresponds to the driven rack 310, wherein the connection method of the driven rack 310 and the sliding groove is a sliding connection, a sliding groove is opened on the fixed box 303 and corresponds to the fixed connecting rod 312, wherein the connection method of the fixed connecting rod 312 and the sliding groove is a sliding connection, and the design that the other end of the fixed connecting rod 312 is connected to the rotating shaft of the scissor-type lifting frame 313 makes the device more convenient when in use.

[0023] The working process of the utility model is as follows: when using the double-jaw ground resistance tester, firstly, connect the device to the power supply so that the device is in a working state, then detect the resistance value between a certain distance of the ground, start the driving motor 304 under the condition that the driving motor 304 is connected to the intelligent display 2 through a wire and the connection mode is an electrical connection, so that the driving end of the driving motor 304 rotates, and the driving rod 305 is connected to the end face of the inner cavity partition of the fixed box body 303 through a bearing seat, wherein the driving rod 305 and the bearing seat are connected in a rotational connection, and the driving rod 305 is driven to rotate, and the other end of the driving rod 305 is meshedly connected with the driven bevel gear 307 through the driving bevel gear 306, and the driven bevel gear 307 is driven to rotate, and the rotating rod 308 is connected to the upper and lower end faces of the inner cavity of the fixed box body 303 through the bearing seat, wherein the rotating rod 308 and the bearing seat are connected in a rotational connection, and the rotating rod 308 is driven to rotate, and the side wall of the rotating rod 308 is connected with a The driving gear 309 has a driven rack 310 symmetrically meshed with the side wall of the driving gear 309, and a slide groove is provided on the fixed slide rail 311 corresponding to the driven rack 310, wherein the driven rack 310 is connected to the slide groove in a sliding manner, and a slide groove is provided on the fixed box body 303 corresponding to the fixed connecting rod 312, wherein the fixed connecting rod 312 is connected to the slide groove in a sliding manner, so that the two groups of driven racks 310 move in relative directions, thereby adjusting the distance between the scissor-type lifting frames 313, and then determining the distance between the two groups of resistance connecting rods 314, and then starting the electric telescopic rod 302 under the condition that the electric telescopic rod 302 is connected to the intelligent display 2 through a wire and the connection mode is an electrical connection, so that the two groups of resistance connecting rods 314 are inserted into the ground, and then the resistance clamps are clamped under the condition that two groups of resistance clamps are connected to the tester body 1, so as to test the resistance value between a certain distance in this area, so that the test coefficient is more accurate.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-jaw ground resistance tester, comprising a tester body (1), characterized in that: An intelligent display (2) is connected to the end surface of the tester body (1), and an adjustable detection structure (3) is connected to the side wall of the tester body (1); The adjustable detection structure (3) comprises a fixed connection plate (301), the fixed connection plate (301) is connected to the side wall of the tester body (1), an electric telescopic rod (302) is symmetrically connected to the end surface of the fixed connection plate (301), a driving end of the electric telescopic rod (302) is connected to a fixed box (303) via a connecting bracket, a driving motor (304) is connected to the end surface of the inner cavity partition of the fixed box (303), the driving end of the driving motor (304) is connected to a driving rod (305) via a coupling, the other end of the driving rod (305) is meshedly connected to a driven bevel gear (307) via a driving bevel gear (306), and the driven bevel gear (307) is meshed with the driven bevel gear (307). A rotating rod (308) is connected at the center of the gear (307), a driving gear (309) is connected to the side wall of the rotating rod (308), a driven rack (310) is symmetrically meshed and connected to the side wall of the driving gear (309), a fixed slide rail (311) is connected to the side wall of the driven rack (310), the fixed slide rail (311) is connected to the side wall of the inner cavity of the fixed box (303), one end of the driven rack (310) is connected to a fixed connecting rod (312), the other end of the fixed connecting rod (312) is connected to a scissor-type lifting frame (313), and the rotating shafts at both ends of the scissor-type lifting frame (313) are connected to resistance connecting rods (314).

2. A double-jaw ground resistance tester according to claim 1, characterized in that: Two sets of resistance clamps are connected to the tester body (1), and the electric telescopic rod (302) is connected to the intelligent display (2) via a wire, and the connection method is electrical connection.

3. A double-jaw ground resistance tester according to claim 1, characterized in that: The driving motor (304) is connected to the intelligent display (2) via a wire and the connection method is electrical connection, and the driving rod (305) is connected to the end surface of the inner cavity partition of the fixed box (303) via a bearing seat, wherein the connection method between the driving rod (305) and the bearing seat is rotational connection.

4. A double-jaw ground resistance tester according to claim 1, characterized in that: The rotating rod (308) is connected to the upper and lower end surfaces of the inner cavity of the fixed box (303) through a bearing seat, wherein the rotating rod (308) and the bearing seat are connected in a rotating manner.

5. A double-jaw ground resistance tester according to claim 1, characterized in that: A slide groove is provided on the fixed slide rail (311) and corresponds to the driven rack (310), wherein the driven rack (310) and the slide groove are connected in a sliding manner.

6. A double-jaw ground resistance tester according to claim 1, characterized in that: A sliding groove is provided on the fixed box (303) and corresponds to the fixed connecting rod (312), wherein the fixed connecting rod (312) and the sliding groove are connected in a sliding manner, and the other end of the fixed connecting rod (312) is connected to the rotating shaft of the scissor-type lifting frame (313).

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