CN214378896U - Grounding device for electric power test - Google Patents

Abstract

The utility model discloses an earthing device for electric power test, including electric power test equipment, electric power test equipment's side surface is provided with the fixed plate, the activity groove has been seted up to the inside of fixed plate, the inside wall swing joint in activity groove has the lead screw, the surface threaded connection of lead screw has the screw thread piece, the upper surface of screw thread piece passes through connecting rod fixedly connected with fixed block, the inside threaded connection of fixed block has the threaded rod, first extrusion groove has been seted up to the inside of threaded rod, the first spring of inside wall fixedly connected with in first extrusion groove, the one end fixedly connected with push pedal of first extrusion inslot inside wall is kept away from to first spring. The utility model discloses, through setting up first extrusion groove, first spring, push pedal, damage binding post when preventing that the threaded rod from twisting the screw hole to the elasticity that utilizes first spring makes binding post laminate with electric power experimental facilities all the time, avoids the short circuit.

Description

Grounding device for electric power test

Technical Field

The utility model relates to an electric power test technical field especially relates to an electric power is earthing device for experiment.

Background

The electric power test equipment is used for performing a series of electric or mechanical characteristic tests on electric power operation equipment (such as cables, motors, generators, transformers, high-voltage switches, lightning arresters and the like) according to related electric power industry and related technical standards or product technical conditions and regulation. And the grounding device is used for realizing the purpose of connecting the electrical system with the ground.

In the prior art, the patent application No. CN201921848599.9 discloses a grounding device for power test, which can adjust the positions of a second threaded post and a connecting terminal through the combined action of a first sliding slot, a second sliding slot, a bearing, a rotating shaft, a first threaded post, a first threaded cap, a sliding block, etc. to align the second threaded post and the connecting terminal with the position of a second threaded hole on a power test device, thereby avoiding the power test device from being moved or fine-tuned continuously, saving the alignment time, improving the alignment accuracy under the action of a measuring rod and a measuring wire frame, facilitating the separation of the power test device from the grounding device, facilitating the maintenance or repair of the power test device, but the connecting terminal on the device is arranged on the second threaded post, and the connecting terminal can be connected with the power test device after the second threaded post is screwed into the first threaded hole, the dynamics size of second screw thread post when the first screw hole of twist is not known well, causes binding post to take place to damage easily to influence the normal use of the device, the earth connection all is direct winding on the earth bar usually in addition, adopts direct winding's mode can appear earth connection and earth bar insecure, thereby leads to droing and the condition that the contact failure is good takes place.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings existing in the prior art, and providing a grounding device for electric power test.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a grounding device for an electric power test comprises an electric power test device, wherein a fixed plate is arranged on the side surface of the electric power test device, a movable groove is formed in the fixed plate, the inner side wall of the movable groove is movably connected with a lead screw, the outer surface of the lead screw is in threaded connection with a threaded block, the upper surface of the threaded block is fixedly connected with a fixed block through a connecting rod, the inner thread of the fixed block is connected with a threaded rod, a first extrusion groove is formed in the threaded rod, the inner side wall of the first extrusion groove is fixedly connected with a first spring, one end, away from the inner side wall of the first extrusion groove, of the first spring is fixedly connected with a push plate, and one side, away from the first spring, of the push plate is provided with a wiring terminal;

the lower fixed surface of fixed plate is connected with the built-in board, the inside fixedly connected with earth bar of built-in board, the one end fixedly connected with connection terminal that the earth bar is located the built-in board top, the last fixed surface of connection terminal is connected with the boss, the surface threaded connection of boss has the protection casing, the second extrusion groove has been seted up to the inside of boss, the inside wall fixedly connected with second spring in second extrusion groove, the one end fixedly connected with slider of second extrusion inslot inside wall is kept away from to the second spring, one side fixedly connected with push rod of second spring is kept away from to the slider, the one end fixedly connected with sloping block of slider is kept away from to the push rod, the last fixed surface of slider is connected with the bracing piece, the side surface fixedly connected with clamp splice of bracing piece, the last fixed surface of boss is connected with the winding post.

As a further description of the above technical solution:

the lead screw is located the first knob of one end fixedly connected with in the fixed plate outside, the one end fixedly connected with second knob of fixed block is kept away from to the threaded rod, the surface of first knob and second knob all is provided with anti-skidding line.

As a further description of the above technical solution:

the side wall of the power test equipment is internally provided with a threaded hole, and the threaded hole is matched with the threaded rod.

As a further description of the above technical solution:

the side wall of the power test equipment is internally provided with a measuring groove above the threaded hole, and the measuring groove and the threaded hole are arranged on the same longitudinal axis.

As a further description of the above technical solution:

the top fixedly connected with of fixed block measures the stick, measure the stick and keep away from the one end of fixed block and extend to the top of fixed plate.

As a further description of the above technical solution:

one side of the push plate, which is far away from the wiring terminal, is provided with a grounding wire, one end of the grounding wire, which is far away from the push plate, is connected with the winding column, and the grounding wire is electrically connected with the wiring terminal.

As a further description of the above technical solution:

the wire holder, the boss and the winding column are all made of conducting materials, and the clamping block and the protective cover are all made of insulating materials.

As a further description of the above technical solution:

the inner side wall of the protective cover and the position at the bottom are inclined planes.

The utility model discloses following beneficial effect has:

1. compared with the prior art, this earthing device for electric power test through setting up first extrusion groove, first spring, push pedal, damages binding post when preventing that the threaded rod from twisting the screw hole to utilize the elasticity of first spring to make binding post laminate with electric power experimental facilities all the time, avoid the short circuit.

2. Compared with the prior art, this earthing device for electric power test is through installing the protection casing on the boss to drive slider, bracing piece, clamp splice through sloping block control push rod and remove, and make the clamp splice with the earth clamp fastening on the winding post fixed, prevent that the earth connection from taking place to drop or contact failure's condition and taking place.

Drawings

Fig. 1 is a front view of a grounding device for power test provided by the present invention;

fig. 2 is a side view of a fixing plate of the grounding device for power test provided by the present invention;

fig. 3 is a schematic view of an internal structure of a threaded rod of the grounding device for power test provided by the present invention;

fig. 4 is a schematic view of the internal structure of a boss of the grounding device for power test provided by the present invention;

fig. 5 is a schematic structural diagram of a in fig. 4 according to the present invention.

Illustration of the drawings:

1. electric power test equipment; 2. a fixing plate; 3. a movable groove; 4. a screw rod; 5. a thread block; 6. a first knob; 7. a fixed block; 8. a threaded rod; 9. a first extrusion groove; 10. a first spring; 11. pushing the plate; 12. a wiring terminal; 13. a second knob; 14. a threaded hole; 15. pre-burying a plate; 16. a ground rod; 17. a wire holder; 18. a boss; 19. a protective cover; 20. a second extrusion groove; 21. a second spring; 22. a slider; 23. a push rod; 24. a sloping block; 25. a support bar; 26. a clamping block; 27. a measuring tank; 28. measuring the rod; 29. a ground line; 30. and (6) winding the column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the utility model provides a pair of earthing device for electric power test: the power testing device comprises a power testing device 1, a fixing plate 2 is arranged on the side surface of the power testing device 1, a movable groove 3 is formed in the fixing plate 2, a lead screw 4 is movably connected to the inner side wall of the movable groove 3, a thread block 5 is connected to the outer surface of the lead screw 4 in a threaded manner, a fixing block 7 is fixedly connected to the upper surface of the thread block 5 through a connecting rod, a threaded rod 8 is connected to the inner thread of the fixing block 7 in a threaded manner, a first extrusion groove 9 is formed in the threaded rod 8, a first spring 10 is fixedly connected to the inner side wall of the first extrusion groove 9, the push plate 11 is controlled by the elasticity of the first spring 10 to drive a wiring terminal 12 to move, the wiring terminal 12 is attached to the power testing device 1, a push plate 11 is fixedly connected to one end, far away from the inner side wall of the first extrusion groove 9, the push plate 11 is slidably connected with the first extrusion groove 9, and a grounding wire 29 is arranged on one side, far away from the wiring terminal 12, of the push plate 11, one end of the grounding wire 29 far away from the push plate 11 is connected with the winding column 30, after the threaded rod 8 is screwed into the threaded hole 14, the grounding wire 29 is connected with the winding column 30, knotting of the grounding wire 29 is avoided, the grounding wire 29 is electrically connected with the wiring terminal 12, one side, far away from the first spring 10, of the push plate 11 is provided with the wiring terminal 12, and the wiring terminal 12 is prevented from being damaged when the threaded rod 8 is screwed into the threaded hole 14 through the arrangement of the first extrusion groove 9, the first spring 10 and the push plate 11.

The lower surface of the fixed plate 2 is fixedly connected with an embedded plate 15, the inside of the embedded plate 15 is fixedly connected with a ground rod 16, one end of the ground rod 16, which is positioned above the embedded plate 15, is fixedly connected with a wire holder 17 for installing a ground wire 29, the wire holder 17, a boss 18 and a winding post 30 are all made of conductive materials, the upper surface of the wire holder 17 is fixedly connected with a boss 18, the outer surface of the boss 18 is in threaded connection with a protective cover 19, the inner side wall and the bottom position of the protective cover 19 are inclined planes, so that the protective cover 19 can be conveniently installed and simultaneously extrude an inclined block 24, the clamping block 26 and the protective cover 19 are both made of insulating materials, a second extrusion groove 20 is formed in the boss 18, a second spring 21 is fixedly connected with the inner side wall of the second extrusion groove 20, the slide block 22 is controlled by the elasticity of the second spring 21 to drive the support rod 25 and the clamping block 26 to move reversely, and loosen the ground wire 29 wound on the winding post 30, one end fixedly connected with slider 22 that second spring 21 kept away from the inside wall of second extrusion groove 20, one side fixedly connected with push rod 23 that second spring 21 was kept away from to slider 22, slider 22's one end fixedly connected with sloping block 24 is kept away from to push rod 23, slider 22's last fixed surface is connected with the bracing piece 25, the side fixed surface of bracing piece 25 is connected with clamp splice 26, the last fixed surface of boss 18 is connected with winding post 30 for twine earth connection 29.

The lead screw 4 is located the first knob 6 of one end fixedly connected with in the 2 outsides of fixed plate for control lead screw 4 rotates, and the one end fixedly connected with second knob 13 of fixed block 7 is kept away from to threaded rod 8, is used for controlling threaded rod 8 to rotate, and the surface of first knob 6 and second knob 13 all is provided with anti-skidding line.

Threaded hole 14 is seted up to the lateral wall of electric power test equipment 1 inside, threaded hole 14 and threaded rod 8 looks adaptation, measuring groove 27 has been seted up to the inside top that just is located threaded hole 14 of lateral wall of electric power test equipment 1, measuring groove 27 and threaded hole 14 are located same axis of ordinates setting, be convenient for observe measuring groove 27, measure the position of stick 28, align threaded rod 8 and threaded hole 14, the top fixedly connected with of fixed block 7 measures stick 28, the one end that the fixed block 7 was kept away from to measure stick 28 extends to the top of fixed plate 2.

The working principle is as follows: when the protective cover is used, the screw rod 4 is controlled to rotate through the first knob 6, the fixing block 7 is driven to move through the thread block 5, the threaded rod 8 is aligned with the threaded hole 14 by observing the positions of the measuring rod 28 and the measuring groove 27, then the threaded rod 8 is screwed into the threaded hole 14 through the second knob 13, the wiring terminal 12 is prevented from being damaged when the threaded rod 8 is screwed into the threaded hole 14 by arranging the first extrusion groove 9, the first spring 10 and the push plate 11, the wiring terminal 12 is controlled to move by controlling the push plate 11 to drive the wiring terminal 12 to be attached to the power test equipment 1 through the elasticity of the first spring 10, then one end of the grounding wire 29 far away from the push plate 11 is wound on the winding column 30, then the protective cover 19 is installed on the boss 18, the protective cover 19 extrudes the inclined block 24 while being installed, the sliding block 22 is controlled by the push rod 23 to drive the supporting rod 25 and the clamping block 26 to move, and the grounding wire 29 wound on the winding post 30 is clamped and fixed, so as to prevent the grounding wire 29 from falling off or having poor contact.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in other embodiments without departing from the spirit and scope of the invention.

Claims (8)

1. The utility model provides a grounding device for electric power test, includes electric power test equipment (1), its characterized in that: a fixed plate (2) is arranged on the side surface of the power test device (1), a movable groove (3) is arranged inside the fixed plate (2), the inner side wall of the movable groove (3) is movably connected with a screw rod (4), the outer surface of the screw rod (4) is in threaded connection with a thread block (5), the upper surface of the thread block (5) is fixedly connected with a fixed block (7) through a connecting rod, a threaded rod (8) is connected with the inner thread of the fixed block (7), a first extrusion groove (9) is arranged inside the threaded rod (8), the inner side wall of the first extrusion groove (9) is fixedly connected with a first spring (10), one end of the first spring (10) far away from the inner side wall of the first extrusion groove (9) is fixedly connected with a push plate (11), a wiring terminal (12) is arranged on one side, away from the first spring (10), of the push plate (11);

the lower surface of the fixed plate (2) is fixedly connected with an embedded plate (15), the inside of the embedded plate (15) is fixedly connected with a ground rod (16), one end of the ground rod (16) positioned above the embedded plate (15) is fixedly connected with a wire holder (17), the upper surface of the wire holder (17) is fixedly connected with a boss (18), the outer surface of the boss (18) is in threaded connection with a protective cover (19), a second extrusion groove (20) is formed in the boss (18), the inner side wall of the second extrusion groove (20) is fixedly connected with a second spring (21), one end, far away from the inner side wall of the second extrusion groove (20), of the second spring (21) is fixedly connected with a sliding block (22), one side, far away from the second spring (21), of the sliding block (22) is fixedly connected with a push rod (23), one end, far away from the sliding block (22), of the push rod (23) is fixedly connected with an oblique block (24), the upper surface fixed connection of slider (22) has bracing piece (25), the side surface fixed connection of bracing piece (25) has clamp splice (26), the upper surface fixed connection of boss (18) has winding post (30).

2. The grounding device for electric power test according to claim 1, wherein: the lead screw (4) is located the first knob (6) of one end fixedly connected with in fixed plate (2) outside, the one end fixedly connected with second knob (13) of fixed block (7) are kept away from in threaded rod (8), the surface of first knob (6) and second knob (13) all is provided with anti-skidding line.

3. The grounding device for electric power test according to claim 1, wherein: threaded holes (14) are formed in the side wall of the power test equipment (1), and the threaded holes (14) are matched with the threaded rods (8).

4. The grounding device for electric power test as claimed in claim 3, wherein: the side wall of the electric power test equipment (1) is internally provided with a measuring groove (27) above the threaded hole (14), and the measuring groove (27) and the threaded hole (14) are arranged on the same longitudinal axis.

5. The grounding device for electric power test according to claim 1, wherein: the measuring rod (28) is fixedly connected to the upper portion of the fixing block (7), and one end, far away from the fixing block (7), of the measuring rod (28) extends to the upper portion of the fixing plate (2).

6. The grounding device for electric power test according to claim 1, wherein: one side that binding post (12) were kept away from in push pedal (11) is provided with earth connection (29), the one end that push pedal (11) were kept away from in earth connection (29) links to each other with winding post (30), earth connection (29) and binding post (12) electric connection.

7. The grounding device for electric power test according to claim 1, wherein: the wire holder (17), the boss (18) and the winding column (30) are all made of conductive materials, and the clamping block (26) and the protective cover (19) are all made of insulating materials.

8. The grounding device for electric power test according to claim 1, wherein: the inner side wall of the protective cover (19) is inclined at the bottom.

Images