CN215415617U

CN215415617U - Loop resistance tester

Info

Publication number: CN215415617U
Application number: CN202121707809.XU
Authority: CN
Inventors: 蔡国义
Original assignee: Huai'an Peineng Power Technology Co ltd
Current assignee: Huai'an Peineng Power Technology Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-01-04
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses a loop resistance tester, which relates to the field of test equipment and comprises a tester main body and a base, wherein the top surface of the base is provided with a placing groove matched with the tester main body in shape, the tester main body is placed in the placing groove, the bottom of the base is provided with a vent hole, a clamping device for reinforcing the connection of the base and the tester main body is arranged in the placing groove, the bottom surface of the base is provided with a supporting device for supporting the tester main body, and the equipment can be provided with a certain space at the bottom of the tester main body through the supporting device, so that the tester main body can be stacked and placed without heat accumulation and damage during transportation.

Description

Loop resistance tester

Technical Field

The utility model relates to the field of test equipment, in particular to a loop resistance tester.

Background

The loop resistance tester is a special instrument for measuring the contact resistance and the loop resistance of the switch control equipment, has accurate measurement and stable performance, meets the requirements of field high-voltage switch maintenance and loop resistance test of a high-voltage switch factory of a power and power supply department, but due to the nature of the loop resistance tester, when the equipment is transported, great care is needed, a special packing wooden box and shock absorption objects for the equipment are needed, and in order to prevent collision damage between the equipment and the equipment, stacking and discharge are not allowed, so that each equipment must be exclusively used in one place or one container during ordinary storage or transportation, the occupied space is large, the transportation time is long, and the transportation or the storage is inconvenient.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the loop resistance tester, which can stack equipment by arranging a certain space through an external supporting device, so that the occupied space is small, and the space is saved.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a loop resistance tester, includes tester main part and base, the base top surface set up with the standing groove that the tester main part shape matches, the tester main part is placed in the standing groove, the base bottom is equipped with the ventilation hole, be equipped with the enhancement in the standing groove the base with the clamping device that the tester main part is connected, the bottom surface of base is equipped with the support device who supports the tester main part.

Through adopting above-mentioned technical scheme, save space when guaranteeing transportation or depositing.

Preferably, the supporting device comprises a first groove formed in the bottom surface of the base, a vertical supporting spring is fixedly connected in the first groove, a supporting plate matched with the bottom surface of the base in shape is fixedly connected to the bottom end of the supporting spring, and a connecting piece is arranged between the supporting plate and the base.

Preferably, the number of the first grooves and the number of the supporting springs are four and are symmetrically distributed on four corners of the bottom surface of the base.

Preferably, the connecting piece comprises cylindrical second grooves formed in two vertical side walls of the base, two third grooves are formed in the bottom surface of the base, and the two third grooves are respectively communicated with the two second grooves; a rotating shaft is rotatably connected in the second groove, and a knob is fixedly connected at one end of the rotating shaft, which is positioned outside the base; the other end of the rotating shaft extends into the third groove, a supporting rod positioned in the third groove is fixedly connected to the shaft wall at the end part, and a ball is fixedly connected to the end part of the supporting rod; and the rotating shaft is provided with a limiting part for fixing the position of the supporting rod.

Preferably, the locating part is including seting up annular thread groove on two vertical lateral walls of base, the centre of a circle of thread groove with the centre of a circle coincidence of second recess, the pivot surface is equipped with the screw thread, threaded connection has in the pivot with the stopper that the thread groove shape matches, stopper threaded connection be in the thread groove, the length of stopper is greater than the width of thread groove.

Preferably, the clamping device comprises a first clamping groove formed in the outer side wall of the tester, a second clamping groove corresponding to the first clamping groove in position is formed in the vertical side wall of the placing groove, clamping springs horizontally and symmetrically arranged are fixedly connected in the second clamping groove, clamping blocks matched with the first clamping groove are connected in the second clamping groove in a sliding mode, the clamping blocks are close to the surfaces of the clamping springs, fixedly connected with is located on two connecting shafts between the clamping springs, the connecting shafts extend to the outside of the base, and the connecting shafts are located at one end of the outside and fixedly connected with shifting blocks.

Compared with the prior art, the utility model has the following beneficial effects: can separate backup pad and base through strutting arrangement for produce certain space between the two, when needs are piled up and are placed, this space can be separated the tester main part and come, can not make collision each other and produce the damage, also can provide certain space and make the hot-air circulation, can not produce the heat set and make the inside performance of tester main part damage.

Drawings

The utility model is preferably described below with reference to the accompanying drawings:

FIG. 1 is a cross-sectional view of the present invention;

fig. 2 is a front view of the present invention.

Labeled as: 1. a tester main body; 2. a base; 3. a placement groove; 4. a first groove; 5. a support spring; 6. a support plate; 7. a second groove; 8. a third groove; 9. a rotating shaft; 10. a knob; 11. a support bar; 12. a ball bearing; 13. a thread groove; 14. a limiting block; 15. a first card slot; 16. a second card slot; 17. a clamping spring; 18. a clamping block; 19. a connecting shaft; 20. shifting blocks; 21. a vent hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

A loop resistance tester is shown in figures 1-2 and comprises a tester main body 1 and a base 2, wherein a vent hole 21 is formed in the bottom of the base 2, a placing groove 3 matched with the tester main body 1 in shape is formed in the top surface of the base 2, the tester main body 1 is placed in the placing groove 3, a clamping device used for reinforcing the base 2 and connected with the tester main body 1 is arranged in the placing groove 3, and a supporting device used for supporting the tester main body 1 is arranged on the bottom surface of the base 2.

As shown in fig. 1-2, since the tester body 1 is relatively delicate, it is particularly careful when transporting it, which cannot be stacked directly to prevent collision and heat accumulation; can separate out certain space in every tester main part 1 below through strutting arrangement in this application for when the gathering together, tester main part 1 can not collide each other and damage, and has certain space heat dissipation, and the heat in the tester main part 1 can be followed and is dispelled in the ventilation hole 21, and the heat can not pile up.

As shown in fig. 1-2, the supporting device includes a first groove 4 formed in the bottom surface of the base 2, a vertical supporting spring 5 is fixedly connected in the first groove 4, a supporting plate 6 matched with the bottom surface of the base 2 in shape is fixedly connected to the bottom end of the supporting spring 5, and a connecting member is arranged between the supporting plate 6 and the base 2.

As shown in fig. 1-2, the connecting member includes cylindrical second grooves 7 formed on two vertical side walls of the base 2, two third grooves 8 are formed on the bottom surface of the base 2, and the two third grooves 8 are respectively communicated with the two second grooves 7; a rotating shaft 9 is rotatably connected in the second groove 7, and one end of the rotating shaft 9, which is positioned outside the base 2, is fixedly connected with a knob 10; the other end of the rotating shaft 9 extends into the third groove 8, a supporting rod 11 positioned in the third groove 8 is fixedly connected to the shaft wall at the end part, and a ball 12 is fixedly connected to the end part of the supporting rod 11; the rotating shaft 9 is provided with a limiting piece for fixing the position of the supporting rod 11.

As shown in fig. 1-2, the limiting member includes annular thread grooves 13 formed in two vertical side walls of the base 2, a center of the thread groove 13 coincides with a center of the second groove 7, a thread is formed on an outer surface of the rotating shaft 9, a limiting block 14 matched with the thread groove 13 in shape is connected to the rotating shaft 9 through a thread, the limiting block 14 is connected to the thread groove 13 through a thread, and the length of the limiting block 14 is greater than the width of the thread groove 13.

As shown in fig. 1-2, when the tester main bodies 1 need to be stacked, a force is applied to the knob 10 to rotate the rotating shaft 9 connected with the knob out of the second groove 7, the force is transmitted to the supporting rod 11 in the rotating process of the rotating shaft 9, the supporting rod 11 applies a force to the supporting plate 6 to stretch the supporting spring 5, and the supporting plate 6 is separated from the bottom surface of the base 2 by the top of the rotating shaft 9; when the rotating shaft 9 rotates to a certain position, the limiting block 14 is rotated, the limiting block 14 is screwed into the thread groove 13, the rotating shaft 9 can be fixed at the moment, the position of the rotating shaft 9 is unchanged, the supporting plate 6 and the base 2 are continuously separated, the devices are stacked together, a space exists between the devices, the devices cannot collide with each other, heat generated by current can be dissipated as soon as possible, and convenience in transportation is guaranteed; the end part of the support rod 11 is provided with a ball 12 which can be better contacted with the support plate 6 to jack the support plate 6; when the support bar is used at ordinary times, the knob 10 is applied with force, and the support bar 11 is retracted.

As shown in fig. 1, the clamping device includes a first clamping groove 15 formed in the outer side wall of the tester, a second clamping groove 16 corresponding to the first clamping groove 15 is formed in the vertical side wall of the placing groove 3, clamping springs 17 horizontally and symmetrically arranged are fixedly connected in the second clamping groove 16, a clamping block 18 matched with the first clamping groove 15 is slidably connected in the second clamping groove 16, a connecting shaft 19 fixedly connected between the two clamping springs 17 is fixedly connected to the surface of the clamping block 18 close to the clamping springs 17, the connecting shaft 19 extends to the outside of the base 2, and the connecting shaft 19 is located at one end of the outside and fixedly connected with a shifting block 20.

As shown in fig. 1, if the base 2 is not needed, only the force is applied to the shifting block 20, so that the shifting block moves in the direction away from the base 2 to drive the connecting shaft 19 to move, the clamping spring 17 is compressed, and the clamping block 18 also moves in the direction away from the base 2 to withdraw from the first clamping groove 15, so that the tester body 1 can be taken out of the placing groove 3, and the operation is convenient.

As shown in fig. 1-2, the first grooves 4 and the supporting springs 5 are arranged in four and symmetrically distributed at four corners of the bottom surface of the base 2.

As shown in fig. 1-2, in order to make the connection between the supporting plate 6 and the base 2 stable and have long service life, four supporting springs 5 are provided, which can distribute the pressure applied to each spring and prolong the service life.

The present invention is not limited to the above embodiments, and any alternative or modification to solve the above problems is also within the scope of the present invention.

Claims

1. The utility model provides a return circuit resistance tester, includes tester main part (1) and base (2), its characterized in that: the testing device is characterized in that a placing groove (3) matched with the tester main body (1) in shape is formed in the top surface of the base (2), the tester main body (1) is placed in the placing groove (3), a ventilation hole (21) is formed in the bottom of the base (2), a clamping device used for reinforcing the base (2) and the tester main body (1) is arranged in the placing groove (3), and a supporting device used for supporting the tester main body (1) is arranged on the bottom surface of the base (2).

2. The loop resistance tester of claim 1, wherein: the supporting device comprises a first groove (4) formed in the bottom surface of the base (2), a vertical supporting spring (5) is fixedly connected in the first groove (4), a supporting plate (6) matched with the bottom surface of the base (2) in shape is fixedly connected to the bottom end of the supporting spring (5), and a connecting piece is arranged between the supporting plate (6) and the base (2).

3. The loop resistance tester of claim 2, wherein: the four first grooves (4) and the four supporting springs (5) are symmetrically distributed on four corners of the bottom surface of the base (2).

4. The loop resistance tester of claim 2, wherein: the connecting piece comprises cylindrical second grooves (7) formed in two vertical side walls of the base (2), two third grooves (8) are formed in the bottom surface of the base (2), and the two third grooves (8) are respectively communicated with the two second grooves (7); a rotating shaft (9) is rotatably connected in the second groove (7), and a knob (10) is fixedly connected to one end, located outside the base (2), of the rotating shaft (9); the other end of the rotating shaft (9) extends into the third groove (8), a supporting rod (11) positioned in the third groove (8) is fixedly connected to the shaft wall at the end part, and a ball (12) is fixedly connected to the end part of the supporting rod (11); and the rotating shaft (9) is provided with a limiting piece for fixing the position of the supporting rod (11).

5. The loop resistance tester of claim 4, wherein: the locating part is including seting up annular thread groove (13) on two vertical lateral walls of base (2), the centre of a circle of thread groove (13) with the centre of a circle coincidence of second recess (7), pivot (9) surface is equipped with the screw thread, threaded connection has on pivot (9) with stopper (14) that thread groove (13) shape matches, stopper (14) threaded connection be in thread groove (13), the length of stopper (14) is greater than the width of thread groove (13).

6. The loop resistance tester of claim 1, wherein: clamping device is including offering first draw-in groove (15) on the tester lateral wall, set up on the vertical lateral wall of standing groove (3) with second draw-in groove (16) that first draw-in groove (15) position corresponds, fixedly connected with centre gripping spring (17) that the level symmetry set up in second draw-in groove (16), sliding connection has in second draw-in groove (16) with fixture block (18) that first draw-in groove (15) match, fixture block (18) are close to fixedly connected with is located two on the face of centre gripping spring (17) connecting axle (19) between centre gripping spring (17), connecting axle (19) extend to base (2) are outside, connecting axle (19) are located outside one end fixedly connected with shifting block (20).