CN214795014U

CN214795014U - Auxiliary device of grounding resistance tester

Info

Publication number: CN214795014U
Application number: CN202121368861.7U
Authority: CN
Inventors: 自朝阳; 谢干
Original assignee: Shanghai Shenfeng Engineering Construction Supervision Co ltd
Current assignee: Shanghai Shenfeng Engineering Construction Supervision Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-11-19
Anticipated expiration: 2031-06-18

Abstract

The application relates to an auxiliary device of a ground resistance tester, and relates to the field of resistance testers. The tester comprises a tester body and four guide rails, wherein the guide rails are connected with supporting rods along vertical sliding, supporting plates are fixedly connected to the top ends of the supporting rods, fixing mechanisms used for fixing the tester body are arranged at the tops of the supporting plates, and lifting mechanisms used for driving the supporting rods to move vertically are arranged at the bottoms of the supporting rods. This application has the effect that improves resistance tester and rotates handle terrain clearance.

Description

Auxiliary device of grounding resistance tester

Technical Field

The utility model belongs to the technical field of resistance tester and specifically relates to an auxiliary device of ground resistance tester is related to.

Background

The ground resistance tester is an instrument for measuring the ground resistance value and the soil resistivity of a grounding device of electrical equipment, and generally adopts a compensation method for measurement.

The related art can refer to chinese utility model patent with granted publication number CN213122119U, which discloses an earth resistance tester, including two earth insertion rods, three pure copper connecting wires of different lengths, earth resistance megger, computer and controller in the earth resistance megger. The computer carries out data transmission with the controller in the ground connection megger through the communication network, and the controller is connected with the upper binding post, the pointer, the knob and the crank handle of the ground resistance megger and is connected with the object to be measured through the lead.

With respect to the related art among the above, the inventors consider that there are the following drawbacks: ground resistance tester is at the measurement resistance in-process, needs the user to rotate resistance tester's crank to make the crank rotational speed reach 120 rpm after a period, if the crank ground clearance is low excessively, at the quick rotation crank in-process, user's hand contacts with ground easily, causes the unnecessary injury.

SUMMERY OF THE UTILITY MODEL

Rotate the problem that the handle is crossed low apart from ground in order to improve ground resistance tester, the utility model provides a ground resistance tester's auxiliary device.

The application provides a ground resistance tester's auxiliary device adopts following technical scheme: including tester body and four guide rails, the guide rail is connected with the bracing piece along vertical sliding, bracing piece top fixedly connected with backup pad, the backup pad top is provided with the fixed establishment who is used for fixed tester body, the bracing piece bottom is provided with the elevating system who is used for driving the vertical motion of bracing piece.

Through adopting above-mentioned technical scheme, the user utilizes fixing device to be fixed in the backup pad top with the tester body, makes the tester body can keep the horizontality, and the bracing piece drives the backup pad upward movement under elevating system's drive, and the ground clearance increase behind the backup pad rebound, consequently is fixed in the tester body ground clearance increase at backup pad top, improves ground resistance tester rotation handle and is crossed the pivoted problem of being not convenient for because of the subaerial distance is low excessively.

Optionally, the lifting mechanism comprises a mounting frame, the top of the mounting frame is rotatably connected with two rotating shafts, the outer peripheral surface of each rotating shaft is fixedly connected with two rotating plates, and the bottom end of each supporting rod is provided with a connecting assembly for connecting the supporting rod and the corresponding rotating plate.

Through adopting above-mentioned technical scheme, the axis of rotation drives the rotor plate and slides along vertical in the slide rail at the rotation in-process, and the rotor plate passes through coupling mechanism and drives the bracing piece and slide along vertical in the slide rail, realizes the effect of adjusting backup pad terrain clearance.

Optionally, coupling assembling is including being fixed in the connecting block of bracing piece bottom, connecting block one side fixedly connected with sliding block, the axis of rotation one end is kept away from to the rotor plate has seted up the slide opening, the sliding block slides through slide opening and rotor plate and is connected.

Through adopting above-mentioned technical scheme, the dwang is following vertical motion in-process, and the sliding block slides along the direction of dwang length on the dwang through the slide opening, makes the dwang can drive the bracing piece at the rotation in-process and follow vertical motion.

Optionally, the outer peripheral surface of the rotating shaft is fixedly connected with a worm wheel, the bottom of the mounting frame is fixedly connected with a motor, the output end of the motor is fixedly connected with a worm, and the worm is meshed with the worm wheel.

Through adopting above-mentioned technical scheme, the motor output drives the worm and rotates, and two worm wheels with worm meshing drive two rotation axial opposite direction rotations under the drive of worm to realize that the motor provides the effect of power for the rotation of rotor plate.

Optionally, a limiting hole is formed in one side, away from the rotating shaft, of the rotating plate, and the rotating plate is fixedly connected with a limiting pin through the limiting hole.

By adopting the technical scheme, the limiting pin and the limiting hole provide a limiting effect for the sliding block, and the possibility that the sliding block is separated from the rotating plate is reduced; meanwhile, the limiting pin is convenient to detach, and a user can separate the rotating plate from the supporting rod conveniently.

Optionally, the first fixed plate and the second fixed plate of backup pad top fixedly connected with, threaded connection has the threaded rod on one side of the first fixed plate, the threaded rod is close to tester body one end and rotates and be connected with the movable plate, the spout has been seted up at the backup pad top, the movable plate slides through spout and backup pad along the direction of being close to the tester body and is connected.

Through adopting above-mentioned technical scheme, the user rotates the threaded rod, and the threaded rod exerts the thrust that is close to tester body direction to the movable plate, and the spout provides the guide effect for the movable plate to sliding close to tester body direction, and the movable plate makes tester body and second fixed plate support tightly, realizes that the movable plate provides the effect of fixed action for the tester body.

Optionally, two mounting panels of backup pad top fixedly connected with, two wear to be equipped with the dwang between the mounting panel, dwang tip fixedly connected with rocking handle, dwang outer peripheral face fixedly connected with sleeve pipe, two division boards of sleeve pipe outer peripheral face fixedly connected with.

Through adopting above-mentioned technical scheme, the dwang drives the sleeve pipe at the rotation in-process and rotates, and the sleeve pipe realizes the effect of rolling wire at the rotation in-process, on being fixed in the dead lever with the stub wire after the stub wire rolling is accomplished, continues the long wire of rolling, reduces because of the wire overlength leads to the possibility that the wire knotted at the manual work receipts line in-process, the follow-up use of convenient to use person.

Optionally, the second fixed plate is close to tester body one side fixedly connected with telescopic link, second fixed plate one end fixedly connected with buffer board is kept away from to the telescopic link, tester body one side fixedly connected with spring is kept away from to the buffer board, and buffer board one side and second fixed plate fixed connection are kept away from to the spring of telling.

Through adopting above-mentioned technical scheme, after the tester body contacted the back with the buffer board under the effect of thrust, the user continued to rotate the threaded rod, and the movable plate continued to remove to being close to the second fixed plate direction, supported tightly until tester body and buffer board, at this in-process, buffer board and spring provided the cushioning effect to the tester body.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the user utilizes fixing device to be fixed in the backup pad top with the tester body, makes the tester body can keep the horizontality, and the bracing piece drives the backup pad upward movement under elevating system's drive, and backup pad rebound back ground clearance increases, and the tester body ground clearance that consequently is fixed in the backup pad top increases, improves ground resistance tester rotation handle and is not convenient for pivoted problem because of the ground distance is low excessively.

2. The axis of rotation drives the rotor plate and slides along vertical in the slide rail at the rotation in-process, and the rotor plate passes through connection structure and drives the bracing piece and slide along vertical in the slide rail, realizes the effect of adjusting backup pad terrain clearance.

3. The dwang drives the sleeve pipe at the rotation in-process and rotates, and the sleeve pipe realizes the effect of rolling wire at the rotation in-process, on being fixed in the dead lever with the stub wire after the stub wire rolling is accomplished, continues the long wire of rolling, reduces because of the wire overlength leads to the possibility that the wire knotted at the manual work receipts line in-process, convenient to use person's follow-up use.

Drawings

Fig. 1 is a schematic structural diagram of an auxiliary device according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of the lifting mechanism according to the embodiment of the present application.

Fig. 3 is a schematic structural diagram of a connection mechanism according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a fixing mechanism according to an embodiment of the present application.

Description of reference numerals: 1. a fixed base; 11. a guide rail; 12. a mounting frame; 121. connecting the cross bars; 122. connecting the vertical rods; 123. a rotating member; 124. a second rotating assembly; 2. a rotating shaft; 21. a worm gear; 22. a worm; 23. a motor; 24. a rotating plate; 241. a slide hole; 242. a limiting hole; 243. a spacing pin; 3. a support bar; 31. connecting blocks; 32. a slider; 4. a support plate; 41. a tester body; 411. rotating the handle; 42. a first fixing plate; 421. a threaded rod; 423. moving the plate; 43. a chute; 44. a second fixing plate; 441. a telescopic rod; 442. a buffer plate; 443. a spring; 45. mounting a plate; 451. rotating the rod; 452. a partition plate; 453. a sleeve; 454. a rocking handle; 455. and (5) fixing the rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses auxiliary device of ground resistance tester, refer to fig. 1 and 2, auxiliary device of ground resistance tester includes four unable adjustment bases 1, and unable adjustment base 1 top fixedly connected with guide rail 11. Be provided with mounting bracket 12 between two relative guide rails that set up, mounting bracket 12 is including being fixed in the horizontal pole 121 of connecting of two guide rails 11 one sides, two relative inboard fixedly connected with of connecting horizontal pole 121 connect montant 122, two connect horizontal pole 121 top respectively the first subassembly that rotates of fixedly connected with, the first subassembly that rotates of every group includes two rotation pieces 123, two connect montant 122 top fixedly connected with second rotation piece 124, two rotate the relative inboard rotation axis 2 that wears to be equipped with of 123, rotation axis 2 rotates with rotation piece 123 and second rotation piece 124 respectively and is connected, 2 outer peripheral face fixedly connected with worm wheel 21 of axis of rotation, worm wheel 21 inlays to be located in second rotation piece 124, second rotation piece 124 bottom fixedly connected with motor 23, motor 23 is step motor, motor 23 output fixedly connected with worm 22, worm 22 meshes with worm wheel 21. When the user turns on the motor 23, the output end of the motor 23 drives the worm 22 to rotate, the worm 22 drives the two worm wheels 21 meshed with the worm 22 to rotate in opposite directions, and the two worm wheels 21 respectively drive the rotating shaft 2 to rotate in opposite directions.

Referring to fig. 1 and 3, two ends of the rotating shaft 2 are respectively and fixedly connected with a rotating plate 24, one end of the rotating plate 24, which is far away from the rotating shaft 2, is provided with a sliding hole 241, and one end of the rotating plate 24, which is far away from the rotating shaft 2, is connected with the guide rail 11 in a sliding manner along the vertical direction. Two limiting holes 242 are formed in one end of the rotating plate 24, which is far away from the rotating shaft 2, and a limiting pin 243 is fixed through the limiting holes 242 on the rotating plate 24. The top of the guide rail 11 is connected with a support rod 3 along vertical sliding, the top of the support rod 3 is fixedly connected with a support plate 4, the bottom of the support rod 3 is fixedly connected with a connecting block 31, one side of the connecting block 31 is fixedly connected with a sliding block 32, and the sliding block 32 is connected with the rotating plate 24 through a sliding hole 241 in a sliding manner. The rotating plate 24 enables the sliding block 32 to slide along the length direction of the rotating plate 24 through the sliding hole 241, so that the rotating plate 24 can drive the support rod 3 to slide vertically in the rotating process, thereby realizing the effect of lifting the support plate 4.

Referring to fig. 4, the tester body 41 is arranged at the top of the supporting plate 4, the first fixing plate 42 and the second fixing plate 44 are fixedly connected to the top of the supporting plate 4, the threaded rod 421 is arranged on one side of the first fixing plate 42 in a penetrating manner, and the first fixing plate 42 is in threaded connection with the threaded rod 421. Threaded rod 421 is close to tester body 41 one end and rotates and be connected with movable plate 423, and spout 43 has been seted up at backup pad 4 top, and movable plate 423 slides through spout 43 and backup pad 4 along the direction that is close to tester body 41 and is connected. The second fixing plate 44 is close to one side of the tester body 41 and is fixedly connected with a telescopic rod 441, one end of the telescopic rod 441, which is far away from the second fixing plate 44, is fixedly connected with a buffer plate 442, one side of the buffer plate 442, which is close to the second fixing plate 44, is fixedly connected with two springs 443, and one end of the springs 443, which is far away from the buffer plate 442, is fixedly connected with the second fixing plate 44. The user rotates threaded rod 421, threaded rod 421 pushes movable plate 423 to the direction that is close to tester body 41 and slides, spout 43 is used for providing the guide effect for movable plate 423 to the direction removal of tester body 41, push tester body 41 to the direction that is close to second fixed plate 44 and slide after movable plate 423 contacts with tester body 41, after tester body 41 contacts with buffer plate 442, tester body 41 continues to move to the direction that is close to second fixed plate 44 under the effect of thrust, buffer plate 442 and spring 443 play the cushioning effect at this in-process. Two mounting panels 45 of backup pad 4 top fixedly connected with, two relative inboard rotations of mounting panel 45 are connected with dwang 451, and dwang 451 outer peripheral face cover is equipped with sleeve pipe 453, sleeve pipe 453 and dwang 451 fixed connection, two division boards 452 of sleeve pipe 453 outer peripheral face fixedly connected with, sleeve pipe 453 one end and division board 452 one side respectively fixedly connected with be used for the dead lever 455 of fixed wire, dwang 451 end fixedly connected with rocking handle 454. The user is fixed in dead lever 455 with wire one end, rotates rocking handle 454, and rocking handle 454 drives dwang 451 and sleeve 453 and rotates, and sleeve 453 plays the effect of rolling up the wire in the rotation process, and the other end of the wire that will roll up earlier is also fixed on dead lever 455, continues to rotate rocking handle 454, and it is accomplished to all wires roll up completely.

The implementation principle of the embodiment of the application is as follows: the user places the tester body 41 on top of the supporting plate 4, and the tester body 41 is attached to one side of the second fixing plate 44. The user rotates threaded rod 421, and threaded rod 421 pushes moving plate 423 to fix tester body 41. After the fixing is completed, the user opens the motor 23, the motor 23 drives the rotating shaft 2 to rotate, the rotating shaft 2 drives the rotating plate 24 to rotate, so that the supporting rod 3 is driven to slide vertically, and the user adjusts the tester body 41 to a position suitable for the user to rotate the rotating handle 411 and then closes the motor 23.

The user fixes wire one end and the terminal on the tester body 41, and the user pulls the wire, and sleeve 453 drives dwang 451 to rotate under the effect of wire pulling force, and the user can help unwrapping wire by reversely rotating rocking handle 454. Finally, the user quickly rotates the handle 411, adjusts the tester body 41 at the same time, and records the data measured by the tester body 41. After the measurement is finished, the user loosens the two ends of the wire, the wire close to one end of the tester body 41 is fixed on the fixing rod 455, the rocking handle 454 is rotated in the forward direction by the user, and the sleeve 453 rotates in the forward direction to achieve the effect of reeling the wire.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an auxiliary device of ground resistance tester, includes tester body (41), its characterized in that: still include four guide rails (11), guide rail (11) are connected with bracing piece (3) along vertical sliding, bracing piece (3) top fixedly connected with backup pad (4), backup pad (4) top is provided with the fixed establishment who is used for fixed tester body (41), bracing piece (3) bottom is provided with the elevating system who is used for driving bracing piece (3) vertical motion.

2. The auxiliary device of the ground resistance tester of claim 1, wherein: elevating system includes mounting bracket (12), mounting bracket (12) top is rotated and is connected with two axis of rotation (2), two rotor plates (24) of axis of rotation (2) outer peripheral face fixedly connected with, bracing piece (3) bottom is provided with the coupling assembling that is used for joint support pole (3) and rotor plate (24).

3. The auxiliary device of the ground resistance tester of claim 2, wherein: coupling assembling is including being fixed in connecting block (31) of bracing piece (3) bottom, connecting block (31) one side fixedly connected with sliding block (32), axis of rotation (2) one end is kept away from in rotor plate (24) and has been seted up slide opening (241), sliding block (32) slide through slide opening (241) and rotor plate (24) and be connected.

4. The auxiliary device of the ground resistance tester of claim 3, wherein: axis of rotation (2) outer peripheral face fixedly connected with worm wheel (21), mounting bracket (12) bottom fixedly connected with motor (23), motor (23) output end fixedly connected with worm (22), worm (22) and worm wheel (21) meshing.

5. The auxiliary device of the ground resistance tester of claim 3, wherein: spacing hole (242) have been seted up to rotating plate (24) one side of keeping away from axis of rotation (2), rotating plate (24) are through spacing hole (242) fixedly connected with spacer pin (243).

6. The auxiliary device of the ground resistance tester of claim 1, wherein: the tester is characterized in that a first fixing plate (42) and a second fixing plate (44) are fixedly connected to the top of the supporting plate (4), a threaded rod (421) is connected to one side of the first fixing plate (42) in a threaded mode, one end, close to the tester body (41), of the threaded rod (421) is rotatably connected with a moving plate (423), a sliding groove (43) is formed in the top of the supporting plate (4), and the moving plate (423) is connected with the supporting plate (4) in a sliding mode along the direction close to the tester body (41) through the sliding groove (43).

7. The auxiliary device of the ground resistance tester of claim 2, wherein: two mounting panel (45) of backup pad (4) top fixedly connected with, two wear to be equipped with dwang (451) between mounting panel (45), dwang (451) tip fixedly connected with rocking handle (454), dwang (451) outer peripheral face fixedly connected with sleeve pipe (453), two division boards (452) of sleeve pipe (453) outer peripheral face fixedly connected with.

8. The auxiliary device of the ground resistance tester of claim 6, wherein: the tester comprises a tester body (41), a second fixing plate (44), a telescopic rod (441) fixedly connected to one side of the second fixing plate (44) close to the tester body (41), a buffer plate (442) fixedly connected to one end of the telescopic rod (441) far away from the second fixing plate (44), a spring (443) fixedly connected to one side of the tester body (41) far away from the buffer plate (442), and the spring (443) far away from one side of the buffer plate (442) and fixedly connected to the second fixing plate (44).