CN210401646U

CN210401646U - Testing instrument for detecting digital resistance of lightning protection grounding device

Info

Publication number: CN210401646U
Application number: CN201920877710.0U
Authority: CN
Inventors: 乔开娟; 魏宁; 田陆飞; 徐田军; 霰天菊; 刘飞; 朱华; 王�华
Original assignee: Shandong Donghui Engineering Testing Co ltd
Current assignee: Donghui Testing And Certification Group Co ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-04-24
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses a test instrument for detecting lightning grounding device digital resistance, the power distribution box comprises a box body, the top of box is equipped with the case lid, be equipped with the sealing washer between box and the case lid, the box all is equipped with the handle with one side intermediate position of case lid, the bilateral symmetry that the case lid is located the handle is equipped with the locking plate, the bilateral symmetry that the box is located the handle is equipped with the hasp with locking plate looks adaptation, the inside of box is equipped with baffle one, the inside of box and the one side that is located baffle one are equipped with the detector and are located the damper of detector below, be equipped with the display screen on the detector, the inside of box is equipped with baffle two of being. The beneficial effects are that: simultaneously this device can realize shock-absorbing function when removing, and then has improved the detection stability of detector, places the box through setting up the disinfectant simultaneously and is convenient for clean the disinfection to fixture, and then improves the detection accuracy to the detection article.

Description

Testing instrument for detecting digital resistance of lightning protection grounding device

Technical Field

The utility model relates to a resistance tester field particularly, relates to a test instrument for detecting lightning grounding device digital resistance.

Background

The digital ground resistance tester is specially designed and manufactured for measuring ground resistance on site, adopts the latest digital and microprocessing technology, measures the ground resistance by a 3-wire or 2-wire method, has unique wire resistance checking function, anti-interference capability and environment adaptability, and ensures high precision, high stability and reliability of measurement for a long time. The method is widely applied to the measurement of the grounding resistance of electric power, telecommunication, meteorology, oil fields, buildings, lightning protection, industrial electrical equipment and the like. Resistance tester's kind is more, including ground resistance tester, insulation resistance tester, direct current resistance measuring instrument, surface resistance tester and return circuit resistance tester, ground resistance tester uses more extensively, but ordinary digital ground resistance tester clamping device centre gripping effect is not ideal enough, can not go to change the size at will according to the shape of object, probably lead to the measuring result inaccuracy, can not clean the disinfection to its clamping device before detecting simultaneously, lead to the foreign matter to exist on the clamping device, and then lead to measuring accuracy not high, the while installation need shift it when detecting, the transfer in-process device can be because vibrations appear in exogenic action, and then can influence its life.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem among the correlation technique, the utility model provides a test instrument for detecting lightning grounding device digital resistance to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a test instrument for detecting lightning grounding device digital resistance, includes the box, the top of box is equipped with the case lid, the box with be equipped with the sealing washer between the case lid, the box with one side intermediate position of case lid all is equipped with the handle, the case lid is located the bilateral symmetry of handle is equipped with the locking plate, the box is located the bilateral symmetry of handle be equipped with the hasp of locking plate looks adaptation, the inside of box is equipped with baffle I, the inside of box just is located one side of baffle I is equipped with the detector and is located the damper of detector below, be equipped with the display screen on the detector, the inside of box be equipped with baffle II that baffle I is perpendicular to be connected, one side of detector is equipped with the detection wire, the one end that detects the wire is connected with fixture.

Preferably, a disinfectant containing box and a detection lead containing box positioned below the disinfectant containing box are respectively arranged on two sides of the second partition plate and on one side of the first partition plate.

Preferably, the damping mechanism comprises a containing box arranged below the detector, a buffer plate is arranged inside the containing box, a first movable plate penetrating through the top end of the containing box is arranged at the top end of the buffer plate, the top end of the first movable plate is connected with the bottom end of the detector through a connecting plate, and the bottom end of the buffer plate is connected with the inner bottom end of the containing box through a plurality of damping springs.

Preferably, the outer side of the buffer plate is symmetrically provided with sliding blocks, and the two sides of the inner wall of the accommodating box are symmetrically provided with sliding grooves matched with the sliding blocks.

As preferred, fixture including set up in the wiring board of detection wire one side, the top symmetry of wiring board is equipped with the bracing piece, the top intermediate position of wiring board is equipped with and is located adjacently base between the bracing piece, the bilateral symmetry of base is equipped with the swinging arms, connects through adjusting the pole between the adjacent bracing piece, the one end of adjusting the pole with be located one of them the knob of bracing piece lateral wall is connected, the outside edge of knob evenly is equipped with a plurality of spacing groove, the bottom of knob is equipped with spacing subassembly, the one end and the cover of swinging arms are located two swing joint of fly leaf of pole, adjacent two corresponding side tops of fly leaf all are equipped with the grip block, the grip block pass through the threaded rod with two tops of fly leaf are connected.

Preferably, a pulley is arranged at one end of the swing rod, which is far away from the swing rod, and a rolling groove matched with the pulley is arranged on the second movable plate.

Preferably, the adjusting rod is provided with a first thread and a second thread located on one side of the first thread, and the first thread and the second thread are opposite in thread direction.

Preferably, the limiting assembly comprises a fixing block arranged on one side wall of the supporting rod and located below the rotating button, a fastening rod is inserted into the fixing block, and a limiting block matched with the limiting groove is arranged at the top end of the fastening rod.

The utility model has the advantages that: the utility model discloses a fixture that sets up can adjust the size according to the size of measuring thing, has improved the compactness to the object centre gripping, and then has improved the inspection precision for the flexibility of device increases, and shock-absorbing function can be realized to this device when removing simultaneously, and then has improved the detection stability of detector, places the box through setting up the disinfectant simultaneously and is convenient for clean the disinfection to fixture, and then improves the detection accuracy to the measuring thing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a testing apparatus for detecting digital resistance of a lightning protection grounding device according to an embodiment of the present invention;

fig. 2 is an internal schematic view of a testing apparatus for detecting a digital resistance of a lightning protection grounding device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a shock absorbing mechanism of a testing apparatus for detecting a digital resistance of a lightning protection grounding device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a clamping mechanism of a testing apparatus for detecting digital resistance of a lightning protection grounding device according to an embodiment of the present invention.

In the figure:

1. a box body; 2. a box cover; 3. a seal ring; 4. a handle; 5. a locking plate; 6. locking; 7. a first clapboard; 8. a detector; 9. a display screen; 10. a second clapboard; 11. detecting a lead; 12. a clamping mechanism; 13. accommodating the box; 14. a buffer plate; 15. a first movable plate; 16. a connector tile; 17. a damping spring; 18. a wiring board; 19. a support bar; 20. a base; 21. adjusting a rod; 22. a swing lever; 23. a second movable plate; 24. a clamping plate; 25. a rotation knob; 26. and (4) rolling the groove.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a test instrument for detecting lightning grounding device digital resistance.

The first embodiment is as follows:

as shown in fig. 1-4, the testing instrument for detecting the digital resistance of the lightning grounding device according to the embodiment of the present invention comprises a box body 1, a box cover 2 is disposed on the top end of the box body 1, a sealing ring 3 is disposed between the box body 1 and the box cover 2, a handle 4 is disposed at the middle position of one side of the box body 1 and the box cover 2, locking plates 5 are symmetrically disposed at the two sides of the handle 4 of the box cover 2, locking latches 6 adapted to the locking plates 5 are symmetrically disposed at the two sides of the handle 4 of the box body 1, a first partition plate 7 is disposed inside the box body 1, a detector 8 and a damping mechanism disposed below the detector 8 are disposed inside the box body 1 and at one side of the first partition plate 7, a display screen 9 is disposed on the detector 8, a second partition plate 10 perpendicularly connected to the first partition plate 7 is disposed inside the box body 1, one side of the detector 8 is provided with a detection wire 11, and one end of the detection wire 11 is connected with a clamping mechanism 12.

Example two:

as shown in fig. 1-2, a disinfectant containing box and a detection lead containing box located below the disinfectant containing box are respectively arranged on two sides of the second partition plate 10 and on one side of the first partition plate 7, and the disinfectant containing box is convenient for containing disinfectant inside the disinfectant containing box through the disinfectant containing box, so that the clamping mechanism 12 can be conveniently wiped and disinfected, and the detection accuracy is improved.

As shown in fig. 2-3, the shock absorbing mechanism includes a containment box 13 disposed below the meter 8, a buffer plate 14 is arranged inside the containing box 13, a movable plate 15 penetrating through the top end of the containing box 13 is arranged at the top end of the buffer plate 14, the top end of the movable plate 15 is connected with the bottom end of the detector 8 through a connecting plate 16, the bottom end of the buffer plate 14 is connected with the bottom end of the containing box 13 through a plurality of damping springs 17, and as can be seen from the above design, when the device is subjected to external force during transportation, the detector 8 is shaken, thereby subjecting the engaging plates 16 to a force, and the engaging plates 16 drive the movable plates 15 and the buffer plates 14 to move inside the accommodating case 13, and the damping spring 17 is pressed, so that the shaking of the detector 8 is relieved by the reverse acting force of the damping spring 17.

As shown in fig. 3, the outer side of the buffer plate 14 is symmetrically provided with a sliding block, and the two sides of the inner wall of the accommodating box 13 are symmetrically provided with a sliding groove adapted to the sliding block, so that obviously, the stability of the movement of the buffer plate 14 is effectively ensured by the design of the sliding block and the sliding groove.

As shown in fig. 4, the clamping mechanism 12 includes a wiring board 18 disposed on one side of the detection wire 11, support rods 19 are symmetrically disposed at the top end of the wiring board 18, a base 20 located between adjacent support rods 19 is disposed at the middle position of the top end of the wiring board 18, swing rods 22 are symmetrically disposed at two sides of the base 20, adjacent support rods 19 are connected through adjusting rods 21, one end of each adjusting rod 21 is connected with a rotating button 25 located on one side wall of the support rod 19, a plurality of limiting grooves are uniformly disposed at the outer edge of the rotating button 25, a limiting component is disposed at the bottom end of the rotating button 25, one end of each swing rod 22 is movably connected with a second movable plate 23 sleeved on the adjusting rod 21, clamping plates 24 are disposed at the tops of corresponding sides of the adjacent second movable plates 23, and the clamping plates 24 are connected with the tops of the second movable plates 23, as can be seen from the above design, the rotating knob 25 is rotated to further drive the adjusting lever 21 to rotate, so that the two movable plates 23 on the adjusting lever 21 approach to each other or move away from each other, and the two swing rods 22 swing around the base 20, so that the two clamping plates 24 approach to each other or move away from each other.

As shown in fig. 3, a pulley is disposed at an end of the swing rod 22 away from the swing rod 22, and a rolling groove 26 adapted to the pulley is disposed on the second movable plate 23, and it is obvious that the design of the pulley and the rolling groove 26 can effectively ensure that the two second movable plates 23 approach to each other or separate from each other, and simultaneously effectively relieve the friction force between the swing rod 22 and the rolling groove 26.

As shown in fig. 4, the adjusting rod 21 is provided with a first thread and a second thread on one side of the first thread, and the first thread and the second thread have opposite directions, and it is obvious that the opposite arrangement of the first thread and the second thread is provided to make it possible to make the two clamping plates 24 approach to each other or separate from each other.

As shown in fig. 4, the limiting component includes one of the fixing blocks, the side wall of the supporting rod 19 is located on the fixing block below the rotating button 25, a fastening rod is inserted into the fixing block, the top end of the fastening rod is provided with a limiting block matched with the limiting groove, and the two movable plates 23 are moved to a proper position and then rotated to enable the fastening rod to drive the limiting block to move so as to enable the limiting block to move to the limiting groove on the outer edge of the rotating button 25, so that the rotating button 25 is fixed, and the clamping stability of the two clamping plates 24 is achieved.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

In practical application, when the device is transported before detection, the device may be subjected to external impact, and then the connecting plate 16 is subjected to force, the connecting plate 16 drives the first movable plate 15 to drive the buffer plate 14 to move inside the accommodating box 13, so that the buffer spring 17 is extruded, and then the shaking of the detector 8 is relieved due to the reverse acting force of the buffer spring 17, when the device moves to a proper position for detection, the device is separated from the connection between the locking plate 5 and the latch 6, and then the box cover 2 is opened, so that the detector 8 is exposed, and then a worker wipes the clamping plate 24 on the clamping mechanism 12 with sterile water, so as to ensure that no foreign matter exists on the clamping plate 24, and then the rotating button 25 is rotated according to the size of the detected object to drive the adjusting rod 21 to rotate, so that the second movable plates 23 on the adjusting rod 21 approach to each other or move away from each other, and then make two swinging arms 22 use base 20 to swing as the centre of a circle, and then make two grip blocks 24 be close to each other and the centre gripping detects the thing, rotatory anchorage bar simultaneously, and then make the anchorage bar drive the stopper and remove, and then make the stopper remove to the spacing groove of knob 25 outward flange, and then realize fixing knob 25, realize two grip blocks 24 to the centre gripping stability of detecting the thing, and then the effectual detection accuracy that has improved.

To sum up, with the help of the above technical scheme, the utility model discloses a fixture who sets up can adjust the size according to the size of measuring the thing, has improved the compactness to the object centre gripping, and then has improved the inspection precision for the flexibility of device increases, and this device can realize shock-absorbing function when removing simultaneously, and then has improved detector 8's detection stability, places the box through setting up the disinfectant simultaneously and is convenient for clean the disinfection to fixture, and then improves the detection accuracy to the measuring thing.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The testing instrument for detecting the digital resistance of the lightning grounding device is characterized by comprising a box body (1), wherein a box cover (2) is arranged at the top end of the box body (1), a sealing ring (3) is arranged between the box body (1) and the box cover (2), a handle (4) is arranged at the middle position of one side of the box body (1) and the box cover (2), locking plates (5) are symmetrically arranged at the two sides of the handle (4) of the box body (2), locking buckles (6) matched with the locking plates (5) are symmetrically arranged at the two sides of the box body (1) positioned at the handle (4), a first partition plate (7) is arranged inside the box body (1), a detector (8) and a damping mechanism positioned below the detector (8) are arranged at one side of the first partition plate (7) of the box body (1), a display screen (9) is arranged on the detector (8), the inside of box (1) be equipped with baffle two (10) that baffle (7) are perpendicular to be connected, one side of detector (8) is equipped with detection wire (11), the one end and the fixture (12) of detection wire (11) are connected.

2. The testing instrument for detecting the digital resistance of the lightning protection grounding device according to claim 1, wherein a disinfectant placing box and a detection lead placing box below the disinfectant placing box are respectively arranged on two sides of the second partition plate (10) and one side of the first partition plate (7).

3. The testing instrument for detecting the digital resistance of the lightning protection grounding device according to claim 1, wherein the damping mechanism comprises a containing box (13) disposed below the detecting instrument (8), a buffer plate (14) is disposed inside the containing box (13), a first movable plate (15) penetrating through the top end of the containing box (13) is disposed at the top end of the buffer plate (14), the top end of the first movable plate (15) is connected to the bottom end of the detecting instrument (8) through a connecting plate (16), and the bottom end of the buffer plate (14) is connected to the bottom end of the containing box (13) through a plurality of damping springs (17).

4. The testing instrument for detecting the digital resistance of the lightning protection grounding device according to claim 3, characterized in that sliding blocks are symmetrically arranged on the outer side of the buffer plate (14), and sliding grooves matched with the sliding blocks are symmetrically arranged on two sides of the inner wall of the accommodating box (13).

5. The testing instrument for detecting the digital resistance of the lightning protection grounding device according to claim 1, wherein the clamping mechanism (12) comprises a wiring board (18) arranged on one side of the detection lead (11), supporting rods (19) are symmetrically arranged at the top end of the wiring board (18), a base (20) located between the adjacent supporting rods (19) is arranged at the middle position of the top end of the wiring board (18), swing rods (22) are symmetrically arranged on two sides of the base (20), the adjacent supporting rods (19) are connected through adjusting rods (21), one end of each adjusting rod (21) is connected with a rotating button (25) located on the side wall of the corresponding supporting rod (19), a plurality of limiting grooves are uniformly arranged on the outer side edge of the rotating button (25), a limiting component is arranged at the bottom end of the rotating button (25), and one end of each swing rod (22) is movably connected with a movable plate (23) sleeved on the corresponding adjusting rod (21) And clamping plates (24) are arranged at the top ends of the corresponding side surfaces of the adjacent second movable plates (23), and the clamping plates (24) are connected with the top ends of the second movable plates (23) through threaded rods.

6. The testing instrument for detecting the digital resistance of the lightning protection grounding device according to claim 5, wherein a pulley is disposed at an end of the swing rod (22) away from the swing rod (22), and a rolling groove (26) adapted to the pulley is disposed on the second movable plate (23).

7. The testing instrument for detecting the digital resistance of the lightning protection grounding device according to claim 5, characterized in that the adjusting rod (21) is provided with a first thread and a second thread on one side of the first thread, and the first thread and the second thread have opposite thread directions.

8. The testing instrument for detecting the digital resistance of the lightning protection grounding device according to claim 5, wherein the limiting component comprises a fixing block arranged on a side wall of one of the supporting rods (19) and below the rotating button (25), a fastening rod is inserted into the fixing block, and a limiting block matched with the limiting groove is arranged at the top end of the fastening rod.