A ground resistance tester for fire fighting

Abstract

The application provides a fire-fighting grounding resistance tester, and relates to the technical field of grounding resistance testers.The grounding resistance tester comprises a tester body, a hammering frame and a side support frame are arranged on the left and right sides of the tester body respectively, a lower support plate is arranged below the tester body, a C-shaped support is fixedly installed at the end of the lower support plate, two second springs are fixedly installed between the top of the lower support plate and the lower part of the tester body, the tip of a test needle is inserted into the ground, then the hammering frame is disassembled, the hammering frame slides out of the fixed frame through the inner slide rail, the end of the test needle is struck by the annular hammering frame at the end of the hammering frame, then the tester body is used for resistance testing, the tester body is designed to be capable of loading the test needle, and when the test needle is installed, no external tool is needed, and the test needle is directly installed by using the hammering frame, so that the use convenience of the tester body is greatly improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of grounding resistance testers, and more particularly relates to a grounding resistance tester for fire fighting. BACKGROUND

[0002] In the related work of resistance testing, the traditional tester and the matching test needle have many inconveniences in use and carrying.

[0003] The test needle of the traditional tester is usually installed in a relatively complex manner, and needs to be installed with the help of external tools, which is tedious and greatly reduces the convenience of the tester.

[0004] When carrying the test needle, it is often difficult to effectively integrate it with the tester body, and the test needle needs to be stored and carried separately, which not only easily causes the loss of the test needle, but also brings inconvenience to actual use and reduces the overall portability.

[0005] For the installation of multiple test needles, the traditional method is difficult to realize efficient layout, resulting in a limited number of test needles carried, which cannot meet the actual demand.

[0006] Moreover, when taking the test needle, the structure design of the traditional tester is not reasonable, which makes the taking process difficult and affects the work efficiency.

[0007] In addition, when the traditional tester is placed on the ground for use, it cannot be reasonably inclined according to ergonomics, which is not convenient for the user to watch the test results on the screen, and affects the comfort and work efficiency of use. SUMMARY

[0008] In order to solve the above technical problems, the application provides a grounding resistance tester for fire fighting to solve the above problems.

[0009] A grounding resistance tester for fire fighting, comprising a tester body, hammering frames and side support frames are arranged on the left and right sides of the tester body respectively, a lower support plate is arranged below the tester body, a C-shaped support is fixedly installed at the end of the lower support plate, two second springs are fixedly installed between the top of the lower support plate and the lower part of the tester body, at least two test needles are arranged between the tester body and the lower support plate, and the end of each test needle is inserted into the C-shaped support, a straight surface is formed on the outer end of the test needle, and a rectangular clamping groove is formed below the tester body near the C-shaped support.

[0010] Preferably, the left side wall of the tester body is fixedly provided with a fixing frame, the side wall of the hammering frame is provided with an inner slide rail, the hammering frame is sleeved outside the fixing frame through the inner slide rail, the end of the hammering frame is fixedly provided with an annular hammering frame, the side support frame is fixedly connected with the side wall of the tester body, the end of the tester body towards the annular hammering frame is fixedly provided with a front end support frame, and the upper portion of the front end support frame is provided with an arc-shaped support frame.

[0011] Preferably, at least two first springs are fixedly arranged between the lower portion of the arc-shaped support frame and the front end support frame, and the arc-shaped support frame is inclined towards the tester body, the lower portion of the tester body is provided with two magnetic circular grooves, the two second springs are arranged close to the side edges of the lower support plate, the upper portion of the other side wall of the lower support plate is fixedly provided with two third springs, and the top portions of the two third springs are fixedly provided with first magnetic blocks.

[0012] Preferably, each first magnetic block is magnetically inserted into the magnetic circular groove, the outer ring of each first magnetic block is fixedly provided with a second magnetic block, each second magnetic block is magnetically attracted to the lower portion of the tester body, the side wall of the C-shaped support frame is provided with an arc-shaped clamping groove, the surface of the lower support plate is fixedly provided with at least two rubber strips, the lower portion of the tester body is fixedly provided with a rubber support pad, the rubber support pad is arranged close to the side of the first spring, the end of the test needle is inserted into the arc-shaped clamping groove of the C-shaped support frame, the outer end of the test needle is clamped on the first spring and the straight surface, and the rubber strip is arranged between the two test needles.

[0013] Compared with the prior art, the present application has the following advantages:

[0014] In the present application, the test needles between the tester body and the lower support plate are removed, then the tester body is placed on the ground, the tips of the test needles are inserted into the ground, then the hammering frame is disassembled and falls out of the fixing frame through the inner slide rail, the annular hammering frame at the end of the hammering frame is used to knock the end of the test needle, then the tester body is used for resistance test, the tester body is designed to be capable of loading test needles, and when the test needles are installed, no external tools are needed, and the test needles are directly installed by using the hammering frame, thereby greatly improving the use convenience of the tester body.

[0015] In the present application, the test needles are inserted between the tester body and the lower support plate, the ends of the test needles are inserted into the arc-shaped clamping grooves of the C-shaped support frame, then the other ends of the test needles are clamped on the first springs and the arc-shaped support frame, at this time, the test needles are installed, the tester body can well carry multiple test needles, and the test needles do not need to be carried separately, thereby greatly improving the overall portability.

[0016] In the present application, when installing multiple test needles, every two test needles are separated by a rubber strip, the surface of the rubber strip is in an inclined state, so the rubber strip can make the test needle in an inclined state, so that more test needles can be placed between the tester body and the lower support plate, greatly improving the carrying capacity.

[0017] In the present application, by pulling the lower support plate on one side downward, the lower support plate is forced to drive the two first magnetic blocks to move out of the magnetic attraction circular groove, and the second magnetic block is separated from the lower surface of the tester body. At this time, the user can pull the test needle outward, and the test needle moving outward drives the arc-shaped support frame to move downward, and the arc-shaped support frame moving downward drives the first spring to compress and deform. At this time, the test needle is successfully taken, and by designing the lower support plate and the tester body to be separable, the user can conveniently take the test needle, greatly improving the convenience of use.

[0018] In the present application, when the tester body is placed on the ground, the lower support plate is in contact with the ground, and the tester body compresses the second spring and the third spring downward. The C-shaped bracket at the end of the lower support plate is inserted into the rectangular clamping groove opened in the tester body, and then the rubber support pad is attached to the upper surface of the plurality of rubber strips. The tester body is in an inclined state, the tester body in an inclined state is more convenient for the user to watch the screen, and improves the comfort of the user watching the test results. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a schematic view of the tester body structure of the present application;

[0020] Figure 2 is a schematic view of the hammering frame structure of the present application;

[0021] Figure 3 is a schematic view of the lower support plate structure of the present application;

[0022] Figure 4 is a schematic view of the C-shaped bracket structure of the present application;

[0023] Figure 5 is a schematic view of the third spring structure of the present application;

[0024] Figure 6 is a schematic view of the test needle structure of the present application.

[0025] Corresponding relationship between component names and the drawing numbers in the figure is as follows: 1, tester body; 11, fixed frame; 12, hammering frame; 13, inner slide rail; 14, annular hammering frame; 15, magnetic suction circular groove; 16, rubber supporting pad; 17, rectangular clamping groove; 18, front end supporting frame; 19, arc-shaped supporting frame; 2, first spring; 21, lower supporting plate; 22, second spring; 23, C-shaped support; 24, arc-shaped clamping groove; 25, third spring; 26, first magnetic block; 27, second magnetic block; 28, testing needle; 29, straight surface; 3, inclined surface; 31, rubber strip; 32, side supporting frame. DETAILED DESCRIPTION

[0026] The embodiments of the present application will be further described below in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0027] Please refer to Figures 1-6 The present application provides a grounding resistance tester for fire fighting, which comprises a tester body 1, a hammering frame 12 and a side supporting frame 32 are arranged on the left and right sides of the tester body 1 respectively, a lower supporting plate 21 is arranged below the tester body 1, a C-shaped support 23 is fixedly installed on the end of the lower supporting plate 21, two second springs 22 are fixedly installed between the top of the lower supporting plate 21 and the lower part of the tester body 1, the tip of a testing needle 28 is inserted into the ground, then the hammering frame 12 is disassembled, the hammering frame 12 is slid out of the fixed frame 11 through the inner slide rail 13, the end of the hammering frame 12 is used to knock the end of the testing needle 28 by using the annular hammering frame 14, then the tester body 1 is used to test the resistance, the tester body 1 is designed to be capable of loading the testing needle 28, and no external tool is needed when the testing needle 28 is installed, at least two testing needles 28 are arranged between the tester body 1 and the lower supporting plate 21, and the end of each testing needle 28 is inserted into the C-shaped support 23, a straight surface 29 is formed on the outer end of the testing needle 28, and a rectangular clamping groove 17 is formed below the tester body 1 close to the C-shaped support 23.

[0028] The left side wall of the tester body 1 is fixedly installed with a fixing frame 11, the side wall of the hammering frame 12 is provided with an inner sliding rail 13, the hammering frame 12 is sleeved outside the fixing frame 11 through the inner sliding rail 13, the end of the hammering frame 12 is fixedly installed with an annular hammering frame 14, the side support frame 32 is fixedly connected with the side wall of the tester body 1, the end of the tester body 1 towards the annular hammering frame 14 is fixedly installed with a front end support frame 18, the upper portion of the front end support frame 18 is provided with an arc-shaped support frame 19, the lower support plate 21 is driven to move away from the magnetic attraction circular groove 15, and the second magnetic block 27 is separated from the lower surface of the tester body 1, so that the user can pull out the test needle 28, the test needle 28 is moved outward to drive the arc-shaped support frame 19 to move downward, the arc-shaped support frame 19 is moved downward to drive the first spring 2 to be compressed and deformed, the test needle 28 is successfully taken out, the lower support plate 21 and the tester body 1 are designed to be separable, so that the user can conveniently take out the test needle 28, at least two first springs 2 are fixedly installed between the lower portion of the arc-shaped support frame 19 and the front end support frame 18, and the arc-shaped support frame 19 is inclined towards the tester body 1, two magnetic attraction circular grooves 15 are formed in the lower portion of the tester body 1, two second springs 22 are arranged close to the side edges of the lower support plate 21, two third springs 25 are fixedly installed on the upper portion of the lower support plate 21 close to the other side wall, and the top portions of the two third springs 25 are fixedly installed with the first magnetic block 26.

[0029] Each first magnetic block 26 is magnetically attracted and inserted into the magnetic attraction circular groove 15, the outer ring of each first magnetic block 26 is fixedly installed with the second magnetic block 27, each second magnetic block 27 is magnetically attracted to the lower portion of the tester body 1, the side wall of the C-shaped support 23 is provided with an arc-shaped clamping groove 24, at least two rubber strips 31 are fixedly installed on the surface of the lower support plate 21, the lower portion of the tester body 1 is fixedly installed with the rubber support pad 16, and the rubber support pad 16 is arranged close to the first spring 2, the user inserts the test needle 28 between the tester body 1 and the lower support plate 21, inserts the end of the test needle 28 into the arc-shaped clamping groove 24 formed in the C-shaped support 23, and then clamps the other end of the test needle 28 on the first spring 2 and the arc-shaped support frame 19, so that the test needle 28 is installed, the tester body 1 can well carry multiple test needles 28, and it is not necessary to separately carry the test needle 28, thereby greatly improving the overall portability, the end of the test needle 28 is inserted into the arc-shaped clamping groove 24 formed in the C-shaped support 23, the outer end of the test needle 28 is clamped on the first spring 2 and the straight surface 29, and the rubber strip 31 is located between the two test needles 28.

[0030] Working principle:

[0031] First, in the use of the test instrument body 1 ground test, the user will be removed between the test instrument body 1 and the lower support plate 21 between the plurality of test needle 28, then the test instrument body 1 is placed on the ground, the tip of the test needle 28 is inserted into the ground, then the hammer frame 12 is disassembled, the hammer frame 12 is slid from the fixed frame 11 outside, the ring hammer frame 14 at the end of the hammer frame 12 is used to knock the end of the test needle 28, then the resistance test is carried out by using the test instrument body 1, by designing the test instrument body 1 to be loaded with test needle 28, and without the help of external tools, the test needle 28 is directly installed by using the hammer frame 12, which greatly improves the convenience of the test instrument body 1.

[0032] Second, when carrying the test instrument body 1, the user inserts the test needle 28 between the test instrument body 1 and the lower support plate 21, inserts the end of the test needle 28 into the arc-shaped clamping groove 24 of the C-shaped support 23, and then clamps the other end of the test needle 28 on the first spring 2 and the arc-shaped support frame 19. At this time, the test needle 28 is installed, the test instrument body 1 can carry multiple test needles 28 without carrying the test needle 28 separately, greatly improving the overall portability.

[0033] When installing multiple test needles 28, every two test needles 28 are separated by a rubber strip 31. The surface of the rubber strip 31 is inclined, so the rubber strip 31 can make the test needle 28 inclined, so that more test needles 28 can be placed between the test instrument body 1 and the lower support plate 21, greatly improving the carrying capacity.

[0034] Third, when taking the test needle 28, the user pulls the lower support plate 21 on one side downward, the lower support plate 21 is forced to drive the two first magnetic blocks 26 to move away from the magnetic attraction circular groove 15, and the second magnetic block 27 is separated from the lower surface of the test instrument body 1. At this time, the user can pull the test needle 28 outward, the test needle 28 moves outward to drive the arc-shaped support frame 19 to move downward, the arc-shaped support frame 19 moves downward to drive the first spring 2 to compress and deform. At this time, the test needle 28 is successfully taken, by designing the lower support plate 21 and the test instrument body 1 to be separable, the user can easily take the test needle 28, greatly improving the convenience of use.

[0035] When the test instrument body 1 is placed on the ground, the lower support plate 21 is in contact with the ground, and the test instrument body 1 compresses the second spring 22 and the third spring 25 downward, the C-shaped support 23 at the end of the lower support plate 21 is inserted into the rectangular clamping groove 17 of the test instrument body 1, and then the rubber support pad 16 is attached to the upper surface of the plurality of rubber strips 31, the test instrument body 1 is in an inclined state, the inclined test instrument body 1 is more convenient for the user to watch the screen, improving the comfort of the user watching the test results.

[0036] The embodiments of the present application are presented by way of example and description, and are not intended to be exhaustive or to limit the application to the form disclosed. Many modifications and variations will be apparent to those skilled in the art. Embodiments are chosen and described in order to best explain the principles of the application and its practical application, and to thereby enable others skilled in the art to best utilize the application in various embodiments and with various modifications as are suited to the particular use contemplated.

Claims

1. A grounding resistance tester for fire protection, comprising a tester body (1), characterized in that: Hammering frame (12) and side support frame (32) are respectively provided on the left and right sides of the tester body (1). A lower support plate (21) is provided below the tester body (1). A C-shaped bracket (23) is fixedly installed at the end of the lower support plate (21). Two second springs (22) are fixedly installed between the top of the lower support plate (21) and the bottom of the tester body (1). At least two test pins (28) are provided between the tester body (1) and the lower support plate (21), and the end of each test pin (28) is inserted into the C-shaped bracket (23). A straight surface (29) is opened at the outer end of the test pin (28). A rectangular slot (17) is opened at the bottom of the tester body (1) near the C-shaped bracket (23). Two magnetic suction grooves (15) are provided below the main body (1) of the tester, and the two second springs (22) are close to the side of the lower support plate (21). Two third springs (25) are fixedly installed on the upper part of the lower support plate (21) near the other side wall, and a first magnet (26) is fixedly installed on the top of each of the two third springs (25). Each of the first magnetic blocks (26) is magnetically inserted into the magnetic groove (15), and each of the first magnetic blocks (26) has a second magnetic block (27) fixedly installed on its outer ring. Each of the second magnetic blocks (27) is magnetically attached to the bottom of the tester body (1). The C-shaped bracket (23) has an arc-shaped slot (24) through its side wall. At least two rubber strips (31) are fixedly installed on the surface of the lower support plate (21). A rubber support pad (16) is fixedly installed below the tester body (1), and the rubber support pad (16) is close to the side of the first spring (2). The end of the test needle (28) is inserted into the arc-shaped slot (24) of the C-shaped bracket (23), and the outer end of the test needle (28) is engaged with the first spring (2) and the straight surface (29). The rubber strip (31) is located between the two test needles (28). A fixing frame (11) is fixedly installed on the left side wall of the tester body (1). An inner slide rail (13) is provided on the side wall of the hammer frame (12). The hammer frame (12) is sleeved on the outside of the fixing frame (11) through the inner slide rail (13). A ring hammer frame (14) is fixedly installed at the end of the instrument. The side support frame (32) is fixedly connected to the side wall of the instrument body (1). A front support frame (18) is fixedly installed at the end of the instrument body (1) facing the ring hammer frame (14). An arc support frame (19) is provided above the front support frame (18). At least two first springs (2) are fixedly installed between the lower part of the arc support frame (19) and the front support frame (18). The arc support frame (19) is inclined towards the instrument body (1).

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