CN209803257U

CN209803257U - Grounding detection device

Info

Publication number: CN209803257U
Application number: CN201920373789.3U
Authority: CN
Inventors: 陶旭; 何仕玉; 张文飞
Original assignee: Anhui Nengtong New Energy Technology Co Ltd
Current assignee: Anhui Nengtong New Energy Technology Co Ltd
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2019-12-17
Anticipated expiration: 2029-03-22

Abstract

The utility model discloses a ground connection detection device, clamping device include the grip block, and the grip block is kept away from the one end of elastic connecting rod and has been seted up the centre gripping groove, and the centre gripping inslot is provided with the bearing board, the lateral wall fixedly connected with screw rod of bearing board, the other end fixedly connected with telescopic link of screw rod, the other end fixed connection of telescopic link is on the lateral wall of centre gripping groove, screw rod external screw thread connection has the rotating tube, and the rotating tube rotates and connects on the lateral wall of centre gripping groove, the utility model discloses in, through set up the centre gripping groove on the grip block, when the clamping electric wire, directly make the electric wire shelve the centre gripping inslot, realize the clamping at the centre gripping inslot to can prevent that the electric wire from sliding, and then reach the stable effect of clamping, the utility model discloses in, structural design is reasonable, the clamping effect is showing, is.

Description

Grounding detection device

Technical Field

The utility model relates to a ground connection check out test set technical field specifically is a ground connection detection device.

Background

Poor grounding is not only a cause of unnecessary downtime but is also very dangerous, increasing the risk of equipment failure, and without an effective grounding system we are threatened by electric shock, not to mention instrument failure, harmonic distortion problems, power factor problems, and intermittent difficulties, and if the fault current cannot be drained to ground by designing and maintaining a suitable grounding system, they will seek other ways, including personnel, good grounding is not only for safety, but also to prevent damage to plants and equipment, good grounding systems will improve the reliability of the equipment, reduce the possibility of damage by lightning or fault currents, losses to plants due to electrical fires of up to several billions per year, which also does not include the associated costs of litigation, and losses of personnel and productivity.

The patent application with the publication number of CN206638764U discloses a grounding detection device, when the grounding detection is carried out, a worker presses a pressing handle to open a first clamp arm and a second clamp arm to clamp a grounding wire between two limiting plates, the device is not easy to shake during detection, an upper baffle and a lower baffle prevent the grounding wire from rubbing the first clamp arm and the second clamp arm, and dust and other impurities are effectively prevented from being adhered to the first clamp arm and the second clamp arm; the opposite surfaces of the two limiting plates are respectively provided with a spongy cushion, and the spongy cushions protect the grounding wire from being damaged; the lower ends of the two fixing blocks are fixedly connected with screws, threaded interfaces matched with the screws are arranged on the first clamp arm and the second clamp arm, and the fixing blocks are arranged on the first clamp arm and the second clamp arm through the screws, can be detached and are convenient to maintain; the surface of the limiting plate is provided with anti-slip lines which can prevent the grounding wire from sliding between the two limiting plates.

But the utility model discloses in adopt the limiting plate to carry out the clamping to the electric wire, because the limiting plate sets up to straight plate shape structure, consequently does not have fine clamping effect, for this reason we provide a ground connection detection device.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is to the problem of mentioning in the background art, provides a ground connection detection device.

in order to achieve the above object, the utility model provides a following technical scheme:

The utility model provides a ground connection detection device, includes the equipment body, the symmetry is provided with two tong arms on the equipment body, and is provided with the elastic connection pole on the tong arm, be provided with clamping device on the elastic connection pole, clamping device includes the grip block, the grip block is kept away from the one end of elastic connection pole and has been seted up the centre gripping groove, and is provided with the bearing board in the centre gripping inslot, the lateral wall fixedly connected with screw rod of bearing board, the other end fixedly connected with telescopic link of screw rod, the other end fixed connection of telescopic link is on the lateral wall in centre gripping groove, screw rod external screw thread connection has the rotating tube, and the rotating tube rotates to be connected on.

Preferably, a plurality of bulges are arranged on two sides of one end of the opening of the clamping groove.

Preferably, the outer side wall of the rotating pipe is symmetrically and fixedly connected with two steel ropes, the other ends of the steel ropes are wound around a fixed pulley and fixedly connected to the side wall of the rotating plate, the fixed pulley is rotatably connected to the side wall of the clamping groove, one end of the rotating plate is hinged to the side wall of the clamping groove, one end, far away from the steel ropes, of the rotating plate is fixedly connected with a first spring, and the other end of the first spring is fixedly connected to the side wall of the clamping groove.

Preferably, the rotation angle of the rotation plate is between 0 ° and 60 °.

Preferably, one ends of the two rotating plates, which are close to each other, are fixedly connected with a plurality of second springs, and the other ends of the second springs are fixedly connected to the side wall of the movable plate.

Preferably, the movable plate is of a circular arc structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. The utility model discloses in, through setting up the centre gripping groove on the grip block, like this when the clamping electric wire, directly make the electric wire shelve the centre gripping inslot, realize the clamping at the centre gripping inslot to can prevent that the electric wire from sliding, and then reach the stable effect of clamping, the utility model discloses in, structural design is reasonable, and the clamping effect is showing, is the circular shape electric wire to the appearance, has the efficient fixed action.

2. The setting of rotor plate, when the centre gripping inslot was shelved to the electric wire, the electric wire was carried out the clamping effect to two rotor plates that the symmetry set up can be followed the lateral wall, can further guarantee the stability of electric wire clamping like this, and the rotor plate can carry out with the supporting plate synergism simultaneously, and along with the degree of clamping goes on, the clamping effect of rotor plate is showing more.

3. The combined structure of the second spring and the movable plate is added, so that when the rotating plate realizes clamping, the second spring and the movable plate can play a role in clamping through the movable plate on the one hand, and can play a role in buffering through the second spring on the other hand, so that the effect of protecting the electric wire is achieved, and meanwhile, due to the fact that the second spring can be moved, the equipment can be used for clamping electric wires with different thicknesses.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a structure of a clamping device;

FIG. 3 is an enlarged view of the structure A;

Fig. 4 is a partial cut-away view of the clamping device.

in the figure: the device comprises a device body 1, an elastic connecting rod 2, a clamping device 3, a clamp arm 4, a clamping plate 31, a clamping groove 32, a supporting plate 33, a screw rod 34, a rotating pipe 35, an expansion rod 36, a protrusion 37, a steel rope 38, a fixed pulley 39, a rotating plate 310, a first spring 311, a second spring 312 and a movable plate 313.

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.

referring to fig. 1 to 4 together, an embodiment of the present invention provides a ground fault detection device, which includes an apparatus body 1, two clamp arms 4 are symmetrically disposed on the apparatus body 1, an elastic connecting rod 2 is disposed on the clamp arms 4, a clamping device 3 is disposed on the elastic connecting rod 2, the clamping device 3 includes a clamping plate 31, a clamping groove 32 is disposed at one end of the clamping plate 31 away from the elastic connecting rod 2, a supporting plate 33 is disposed in the clamping groove 32, a screw 34 is fixedly connected to a sidewall of the supporting plate 33, an expansion link 36 is fixedly connected to the other end of the screw 34, the other end of the expansion link 36 is fixedly connected to a sidewall of the clamping groove 32, the screw 34 is externally threaded with a rotating tube 35, and the rotating tube 35 is rotatably connected to a sidewall of the clamping groove 32, when an electric wire is clamped, the electric wire is placed between the two clamping devices 3, and then the apparatus body, through set up centre gripping groove 32 on grip block 31, when the clamping electric wire, directly make the electric wire shelve in centre gripping groove 32 like this, realize the clamping in centre gripping groove 32 to can prevent that the electric wire from sliding, and then reach the stable effect of clamping, during the clamping simultaneously, under the squeezing action of electric wire, can make bearing board 33 take place to remove.

In this embodiment, as shown in fig. 2, a plurality of protrusions 37 are disposed on two sides of an opening end of the clamping groove 32, the protrusions 37 are made of rubber, and the protrusions 37 can ensure a certain gap between the two clamp arms 4, so that when clamping a small-sized electric wire, the equipment can be prevented from being clamped, and the protrusions 37 are made of rubber, so that when two clamping devices 3 are clamped, the buffering effect can be achieved, and the equipment can be protected.

In this embodiment, as shown in fig. 2, two steel cables 38 are symmetrically and fixedly connected to the outer sidewall of the rotating tube 35, the other ends of the steel cables 38 pass around the fixed pulley 39 and are fixedly connected to the sidewall of the rotating plate 310, the fixed pulley 39 is rotatably connected to the sidewall of the clamping groove 32, one end of the rotating plate 310 is hinged to the sidewall of the clamping groove 32, and one end of the rotating plate 310 away from the steel cables 38 is fixedly connected to a first spring 311, the other end of the first spring 311 is fixedly connected to the sidewall of the clamping groove 32, as the clamping operation proceeds, the electric wires have an interference effect on the supporting plate 33, the movement of the supporting plate 33 drives the screw 34 to move, due to the threaded connection between the screw 34 and the rotating tube 35, the movement of the screw 34 rotates the rotating tube 35, the rotating steel cables 38 are wound by the rotation of the rotating tube 35, the movement of the, so that the clamping effect can be achieved by rotating the plate 310.

In this embodiment, the rotation angle of the rotation plate 310 is between 0 ° and 60 °, which not only can achieve a more stable clamping effect, but also can clamp wires with different thickness.

In this embodiment, as shown in fig. 4, one end of each of the two rotating plates 310 close to each other is fixedly connected with a plurality of second springs 312, and the other end of each of the second springs 312 is fixedly connected to a side wall of the movable plate 313, so that a combined structure of the second springs 312 and the movable plate 313 is added, when the rotating plates 310 are clamped, the second springs 312 and the movable plate 313 exist, on one hand, the movable plate 313 can clamp the wires, and on the other hand, the second springs 312 can buffer the wires, thereby protecting the wires.

In this embodiment, the movable plate 313 has an arc-shaped structure, so as to achieve a better clamping effect.

According to the utility model discloses above-mentioned embodiment's ground connection detection device, the utility model discloses in, through set up centre gripping groove 32 on grip block 31, when the clamping electric wire, directly make the electric wire shelve in centre gripping groove 32, realize the clamping in centre gripping groove 32 to can prevent that the electric wire from sliding, and then reach the stable effect of clamping, the utility model discloses in, structural design is reasonable, and the clamping effect is showing, is the circular shape electric wire to the appearance, has the efficient fixed action.

It will be understood that the terms "bottom wall," "one end," "top wall," "other end," "upper," "one side," "inner," "front end," "middle portion," "two ends," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or component so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered limiting of the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a ground connection detection device, includes the equipment body, the symmetry is provided with two tong arms on the equipment body, and is provided with the elastic connection pole on the tong arm, be provided with clamping device on the elastic connection pole, its characterized in that: the clamping device comprises a clamping plate, a clamping groove is formed in one end, away from the elastic connecting rod, of the clamping plate, a bearing plate is arranged in the clamping groove, a screw is fixedly connected to the side wall of the bearing plate, a telescopic rod is fixedly connected to the other end of the screw, the other end of the telescopic rod is fixedly connected to the side wall of the clamping groove, a rotating pipe is connected to the outer thread of the screw, and the rotating pipe is rotatably connected to the side wall of the clamping groove.

2. The ground fault detection device of claim 1, wherein: a plurality of bulges are arranged on two sides of one end of the opening of the clamping groove.

3. The ground fault detection device of claim 1, wherein: the outer side wall of the rotating pipe is symmetrically and fixedly connected with two steel ropes, the other ends of the steel ropes are wound around a fixed pulley and fixedly connected to the side wall of the rotating plate, the fixed pulley is rotatably connected to the side wall of the clamping groove, one end of the rotating plate is hinged to the side wall of the clamping groove, one end, far away from the steel ropes, of the rotating plate is fixedly connected with a first spring, and the other end of the first spring is fixedly connected to the side wall of the clamping groove.

4. A ground fault detection device as claimed in claim 3, wherein: the rotation angle of the rotation plate is between 0 ° and 60 °.

5. A ground fault detection device as claimed in claim 3, wherein: two the equal fixedly connected with a plurality of second springs of one end that the rotor plate is close to each other, and the other end fixed connection of second spring is on the lateral wall of fly leaf.

6. The ground fault detection device of claim 5, wherein: the movable plate is of an arc-shaped structure.