CN210954167U

CN210954167U - Resistance tester

Info

Publication number: CN210954167U
Application number: CN201920918458.3U
Authority: CN
Inventors: 秦奇隆
Original assignee: Hubei Leite Lightning Protection Detection Co ltd
Current assignee: Hubei Leite Lightning Protection Detection Co ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-07-07
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses a resistance tester, which comprises a holding and driving device for holding and providing driving force for workers, wherein the holding and driving device comprises a holding rod, guide rods, connecting plates, a motor support and a first motor, the motor supports are fixed on the bottom surfaces of the two connecting plates, the motor support is bent into a U shape by a stainless steel plate, the first motor is fixed on the motor support, the main shaft of the first motor is fixedly connected with a first gear, a set of rack is arranged in the T-shaped chute of each set of guide rods, the end part of each set of rack is provided with a set of detector, the detector comprises a fixed seat, a second motor, a second gear, a third gear and a probe, the resistance tester realizes the adjustment of the detection distance, increases the detection range, enlarges the practical range of the equipment, and the cover on the surface of a detection point is drilled through the rotation of the probe in the detector, the probe is in contact with the detection point, and the measurement precision is improved.

Description

Resistance tester

Technical Field

The utility model relates to an electrical equipment field, in particular to resistance tester.

Background

The resistance tester is widely applied to occasions such as electrical safety inspection and grounding engineering completion inspection, the testing range of the existing resistance tester is not well adjusted, the limitation is large, the surface of a measuring point is often covered by paint and the like due to the fact that the measuring point is exposed outside, the surface paint must be removed firstly when the measuring point is needed to be measured, otherwise, the testing requirement cannot be met, and therefore the resistance tester is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a resistance tester which can effectively solve the problems of the prior art.

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

a resistance tester comprises a holding and driving device used for holding and providing driving force for workers, the holding and driving device comprises an upper guide rod and a lower guide rod, two connecting plates are fixed between the back surfaces of the two guide rods, a motor support is fixed between the two connecting plates, a first motor is fixed on the motor support, a first gear is installed after an output shaft of the first motor penetrates through the motor support, the holding rod is welded downwards on the lower guide rod, a forward rotation button and a reverse rotation button are arranged on the holding rod, a T-shaped sliding groove is formed in each guide rod along the length direction, a rack is arranged in each T-shaped sliding groove, the first gear is meshed with the two racks, a set of detector is arranged at the end part of each rack, each detector comprises a fixed seat fixed with the end part of the corresponding rack, a second motor and a probe are installed on the fixed seat, the output shaft of the second motor is provided with a second gear, the probe is fixedly provided with a third gear, the second gear is meshed with the third gear, the probe is connected with the fixed seat through a rolling bearing, and the directions of the probes of the two sets of detectors are kept consistent.

Preferably, the two guide rods are symmetrically arranged in parallel, and the T-shaped chutes of the two guide rods are oppositely arranged inwards.

Preferably, a first limiting plate is fixed on the side face of the rack, a second limiting plate is fixed on the end portion of the rack, and the first limiting plate and the rack are vertically fixed to form a T shape.

Preferably, the second gear and the third gear are both made of nylon material, the probe is made of stainless steel bar material, and the end part of the probe is arranged in a conical shape.

Preferably, a slip ring support is further arranged on one side of the fixed seat, a conductive slip ring is mounted on the slip ring support, and the tail end of the probe is electrically connected with the conductive slip ring.

Preferably, a storage battery and a control board are fixed on the back of the motor support, and the conductive slip ring, the second motor, the first motor and the storage battery are electrically connected with the control board.

Compared with the prior art, the utility model discloses following beneficial effect has: this resistance tester has realized the adjustment of surveying the interval for the detection range increase has enlarged the practical scope of equipment, and through the rotation of probe in the detector, the cover to the probe point surface bores brokenly, makes probe and probing point contact, does benefit to and improves measurement accuracy.

Drawings

Fig. 1 is a schematic view of the overall structure of a resistance tester of the present invention;

fig. 2 is a schematic structural diagram of a grip and driver in a resistance tester of the present invention;

fig. 3 is a bottom view of the grip and driver of the resistance tester of the present invention;

fig. 4 is a schematic structural view of a guide rod in the resistance tester of the present invention;

fig. 5 is a schematic structural diagram of a rack in the resistance tester of the present invention;

fig. 6 is a schematic structural diagram of a detector in the resistance tester of the present invention.

In the figure: 1. a detector; 2. a rack; 3. a grip and driver; 4. a wire; 5. a guide bar; 6. a first gear; 7. a connecting plate; 8. a holding rod; 9. a rubber sleeve; 10. a forward rotation button; 11. a reverse button; 12. a motor bracket; 13. a storage battery; 14. a first motor; 15. a control panel; 16. a first limit plate; 17. a second limiting plate; 18. a third gear; 19. a second gear; 20. a fixed seat; 21. a second motor; 22. a conductive slip ring; 23. a conductive slip ring support; 24. a probe; 25. a probe button.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-6, a resistance tester comprises a holding and driver 3 for holding and providing driving force for workers, the holding and driver 3 is composed of a holding rod 8, two sets of guide rods 5, connecting plates 7, a motor support 12 and a first motor 14, the holding rod 8 is made of stainless steel tube, the end part of the holding rod is sleeved with a rubber sleeve 9, a forward rotation button 10 and a reverse rotation button 11 are fixed on the holding rod 8, the guide rods 5 are provided with two sets, each set of guide rods 5 is made of stainless steel tube by welding, a T-shaped chute is arranged in each guide rod 5, the middle part of each set of guide rods 5 is fixedly connected with the holding rod 8, the two sets of guide rods 5 are symmetrically arranged in parallel, the bottom surfaces of the two sets of guide rods 5 are fixedly connected through the two connecting plates 7, the T-shaped chutes of the two sets of guide rods 5 are oppositely arranged inwards, the motor support 12 is fixed on the bottom surface of the connecting plates 7, a first motor 14 is fixed on a motor support 12, a main shaft of the first motor 14 is fixedly connected with a first gear 6, a storage battery 13 and a control panel 15 are fixed on the bottom surface of the motor support 12, a set of rack 2 is arranged in a T-shaped chute of each set of guide rods 5, the rack 2 is meshed with the first gear 6, a first limiting plate 16 is fixed on the side surface of the rack 2, a second limiting plate 17 is fixed on the end part of the rack 2, the first limiting plate 16 and the rack 2 are vertically fixed into a T shape, a set of detector 1 is arranged on the end part of each set of rack 2, the detector 1 comprises a fixed seat 20, a second motor 21, a second gear 19, a third gear 18 and a probe 24, the fixed seat 20 is fixedly connected with the end part of the rack 2, the second motor 21 and the probe 24 are fixed on the fixed seat 20, the probe 24 is connected with the fixed seat 20 through a rolling bearing, the main shaft of the second motor, the probe 24 is fixed with a third gear 18, the second gear 19 is meshed with the third gear 18, the first gear 6 and the third gear 18 are both made of nylon materials, the probe 24 is made of stainless steel bar materials, the end part of the probe 24 is arranged to be conical, the other end of the probe 24 is electrically connected with a guide slip ring 22, the conductive slip ring 22 is fixedly connected with a conductive slip ring support 23, the conductive slip ring support 23 is fixedly connected with a fixed seat 20, the conductive slip ring 22, the second motor 21, the first motor 14 and the control board 15 are electrically connected with the storage battery 13 through a lead 4, and the conical end parts of the probes 24 of the two sets of detectors 1 are kept consistent.

It should be noted that, the utility model relates to a resistance tester, when using, the user presses the forward rotation button 10 by holding the rubber sleeve 9 on the holding rod 8, the first motor 14 drives the first gear 6 to forward rotate, the two sets of racks 2 extend outwards by the transmission of the two sets of racks 2, and then drives the two sets of detectors 1 to extend outwards, when extending to the proper position, the forward rotation button 10 is loosened to make the two sets of detectors 1 located at the position to be detected, the second motor 21 starts to rotate by pressing the probe button 25, the probe 24 is driven to rotate by the transmission of the second gear 19 and the third gear 18, the rotating probe 24 is utilized to puncture the covering on the surface of the monitoring point, the monitoring point directly contacts with the probe 24, the probe button 25 is loosened after the probe 24 contacts with the monitoring point, after the detection is finished, the reverse rotation button 11 is pressed, first motor 14 drives second gear 6 and reverses, through the transmission of two sets of racks 2 for two sets of racks 2 are to the internal contraction, with two sets of detector 1 internal contraction, realize resetting of this equipment, this equipment has realized the adjustment of surveying the interval, make the detection range increase, enlarged the practical scope of equipment, through probe 24's in the detector 1 rotation, bore the cover on gauge point surface broken, make probe 24 and survey point contact, do benefit to and improve measurement accuracy.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A resistance tester including a grip and driver (3) for a worker to grip and provide a driving force, characterized in that: the holding and driving device (3) comprises an upper guide rod (5) and a lower guide rod (5), two connecting plates (7) are fixed between the back surfaces of the two guide rods (5), a motor support (12) is fixed between the two connecting plates (7), a first motor (14) is fixed on the motor support (12), a first gear (6) is installed after an output shaft of the first motor (14) penetrates through the motor support (12), wherein a holding rod (8) is welded downwards on the lower guide rod, a forward rotation button (10) and a reverse rotation button (11) are arranged on the holding rod (8), a T-shaped sliding groove is formed in each guide rod (5) along the length direction, a rack (2) is arranged in each T-shaped sliding groove, the first gear (6) is meshed with the two racks (2), a set of detector (1) is arranged at the end part of each rack (2), and the detector (1) comprises a fixing seat (20) fixed with the end part of the corresponding side rack (2), the probe fixing device is characterized in that a second motor (21) and a probe (24) are installed on the fixing seat (20), a second gear (19) is installed on an output shaft of the second motor (21), a third gear (18) is fixed on the probe (24), the second gear (19) is meshed with the third gear (18), the probe (24) is connected with the fixing seat (20) through a rolling bearing, and the directions of the probes (24) of the two sets of detectors (1) are kept consistent.

2. A resistance tester as claimed in claim 1, wherein: the two guide rods (5) are symmetrically and parallelly arranged, and the T-shaped chutes of the two guide rods (5) are oppositely arranged inwards.

3. A resistance tester as claimed in claim 1, wherein: the side face of the rack (2) is fixedly provided with a first limiting plate (16), the end part of the rack (2) is fixedly provided with a second limiting plate (17), and the first limiting plate (16) and the rack (2) are vertically fixed to form a T shape.

4. A resistance tester as claimed in claim 1, wherein: the second gear (19) and the third gear (18) are both made of nylon materials, the probe (24) is made of stainless steel bar materials, and the end part of the probe (24) is arranged to be conical.

5. A resistance tester as claimed in claim 1, wherein: and a slip ring support (23) is further arranged on one side of the fixed seat (20), a conductive slip ring (22) is mounted on the slip ring support (23), and the tail end of the probe (24) is electrically connected with the conductive slip ring (22).

6. A resistance tester as claimed in claim 1, wherein: the back of the motor support (12) is fixedly provided with a storage battery (13) and a control board (15), and the conductive slip ring (22), the second motor (21), the first motor (14) and the storage battery (13) are electrically connected with the control board (15).