CN211455999U

CN211455999U - Grounding device

Info

Publication number: CN211455999U
Application number: CN202020145151.7U
Authority: CN
Inventors: 罗玉娟
Original assignee: Sichuan Xingji Power Equipment Co ltd
Current assignee: Sichuan Xingji Power Equipment Co ltd
Priority date: 2020-01-22
Filing date: 2020-01-22
Publication date: 2020-09-08
Anticipated expiration: 2030-01-22

Abstract

The utility model provides a grounding device, including conductive hook, it includes hook portion, hook portion includes centre gripping subassembly, first movable contact and first contact response mechanism, the centre gripping subassembly be used for ordering about first movable contact with first contact response mechanism contact. The application is suitable for the environment with limited vision such as night and fog, and can effectively assist operators to know whether the conductive hook is hung in place, so that the safety performance is improved.

Description

Grounding device

Technical Field

The utility model relates to an electrical tool field, concretely relates to grounding device.

Background

An earthing device is a common electric tool, and is usually connected to an electric apparatus through an insulating tool for earthing and short-circuiting. There are usually a portable grounding and shorting device, and a gun-shaped conductive rod for grounding and shorting. When electricity fails, the grounding device can be grounded and shorted, so that a remote protection device is triggered to trip, fault current is cut off, and the life safety of workers is protected.

However, the conventional grounding short-circuit device is not reliable enough in safety performance, and usually cannot well confirm whether the electrical component is clamped in place, which is a problem to be solved in the field.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a more safe and reliable's earthing device.

In order to solve the technical problem, the utility model provides a scheme is: the grounding device comprises a conductive hook, wherein the conductive hook comprises a hook part, the hook part comprises a clamping component, a first movable contact piece and a first contact induction mechanism, and the clamping component is used for driving the first movable contact piece to be in contact with the first contact induction mechanism.

Further, the method comprises the following steps: first contact response mechanism is fixed in one side of centre gripping subassembly, the centre gripping subassembly includes fixed clamping part, activity clamping part and centre gripping driving piece, the activity clamping part can be relative fixed clamping part moves, the centre gripping driving piece is used for ordering about activity clamping part orientation fixed clamping part moves.

Further, the method comprises the following steps: the first contact induction mechanism is positioned on one side of the movable clamping part, which is far away from the fixed clamping part, one end of the first movable contact element is connected with the movable clamping part, and the other end of the first movable contact element faces the first contact induction mechanism.

Further, the method comprises the following steps: the movable clamping part is a clamping elastic sheet, and the clamping driving part is the clamping elastic sheet.

Further, the method comprises the following steps: the activity clamping part one end with fixed clamping part normal running fit, the other end with fixed clamping part butt, the centre gripping driving piece is used for the drive the activity clamping part to fixed clamping part rotates, the centre gripping driving piece be for set up in the epaxial torsional spring of activity clamping part pivot.

Further, the method comprises the following steps: the first contact induction mechanism is located on one side, away from the movable clamping portion, of the fixed clamping portion, one end of the first movable contact piece is located between the movable clamping portion and the fixed clamping portion, the other end of the first movable contact piece penetrates through the fixed clamping portion and faces the first contact induction mechanism, and the first movable contact piece is in sliding fit with the fixed clamping portion.

Further, the method comprises the following steps: the clamping driving piece comprises a locking screw and a threaded hole, the locking screw is in threaded connection with the threaded hole, one end of the locking screw faces towards the fixed clamping portion, and the movable clamping portion is arranged at one end of the fixed clamping portion facing towards the screw.

Further, the method comprises the following steps: the movable clamping part and the fixed clamping part are provided with opposite grooves, and one end of the first movable contact piece is arranged in the groove of the fixed clamping part.

Further, the method comprises the following steps: the electric warning device is characterized by further comprising an insulating rod, the insulating rod is fixedly connected with the hook portion, a near electric warning device is arranged on the insulating rod, and an illuminating mechanism is arranged at one end, far away from the hook portion, of the insulating rod.

Further, the method comprises the following steps: still include earthing device, its with couple portion electricity is connected, earthing device includes the earthing needle, be provided with second contact response mechanism on the earthing needle, second contact response mechanism below is provided with second movable contact, second movable contact with earthing needle sliding fit, still be provided with the piece that resets on the earthing needle, reset the piece with second movable contact connects.

The utility model has the advantages that: the application is suitable for the environment with limited vision such as night and fog, and can effectively assist operators to know whether the conductive hook is hung in place or not, so that the safety performance is improved.

Drawings

FIG. 1 is a general schematic view of a first embodiment;

FIG. 2 is a schematic view of a hook according to the first embodiment;

FIG. 3 is a schematic view of a second hook portion of the embodiment;

FIG. 4 is a schematic view of a third hook portion of an embodiment;

FIG. 5 is a schematic view of a four hook portion of an embodiment;

FIG. 6 is a schematic view of a grounding pin;

the reference numbers are as follows: the conductive hook comprises a conductive hook 100, a hook part 110, a clamping assembly 111, a fixed clamping part 111a, a movable clamping part 111b, a clamping driving part 111c, a locking screw 111 c', a groove 111d, a first contact sensing mechanism 112, a first movable contact part 113, an insulating rod 120, an electric early warning device 130, an illuminating mechanism 140, a grounding pin 200, a second contact sensing mechanism 210, a second movable contact part 220 and a resetting part 230.

Detailed Description

The present invention is further described below in conjunction with the following figures and specific embodiments so that those skilled in the art may better understand the present invention and practice it.

The following discloses many different embodiments or examples for implementing the subject technology described. In order to simplify the disclosure, a specific example of one or more permutations of the features is described below, but the present disclosure is not limited to the specific example, and a second feature described later in the specification may be connected to a first feature, and may include an embodiment forming an additional feature, and further, may include an embodiment using one or more other intervening features to connect or combine the second feature and the first feature indirectly with each other so that the second feature and the first feature may not be directly connected.

As shown in fig. 1 to 6, an embodiment of a grounding device includes a conductive hook 100 for hooking an electrical component such as a cable, the cable includes a hook portion 110, the hook portion 110 includes a hook body, a clamping component 111, a first movable contact 113 and a first contact sensing mechanism 112, the first contact sensing mechanism 112 is fixed on one side of the clamping component 111, and the clamping component 111 is used for driving the first movable contact 113 to contact the first contact sensing mechanism 112.

The first contact sensing mechanism 112 may be a contact switch or a contact sensor, which is connected to the controller and the power supply, and the principle is that when the first movable contact 113 contacts the first contact sensing mechanism 112, the circuit is conducted to obtain an electrical signal, so as to remind the operator, and the specific reminding mode may be a light or sound mode, and the application is not limited specifically.

This application is at the during operation, carry out the centre gripping to electric parts such as cable through centre gripping subassembly 111, then with conductive hook 100 ground connection, thereby accomplish the ground connection short circuit, behind centre gripping subassembly 111 centre gripping article, centre gripping subassembly 111 can order about first movable contact 113 and the contact of first contact response mechanism 112, thereby produce the signal, make operating personnel learn that electric part has been put in place by the centre gripping, thereby can centre gripping electric part more safely, can effectively avoid the situation that operating personnel can't learn the centre gripping result under the insufficient condition of light.

In some embodiments, the clamping assembly 111 includes a fixed clamping portion 111a, a movable clamping portion 111b and a clamping driving member 111c, the movable clamping portion 111b is movable relative to the fixed clamping portion 111a, and the clamping driving member 111c is used for driving the movable clamping portion 111b to move toward the fixed clamping portion 111a, so that the movable clamping portion 111b and the fixed clamping portion 111a clamp the article, and the following specific embodiments of the hook portion 110 are provided for facilitating understanding of the present application.

As shown in fig. 1 to 3, in the first embodiment, the first contact sensing mechanism 112 is located on a side of the movable clamping portion 111b away from the fixed clamping portion 111a, and one end of the first movable contact 113 is connected to the movable clamping portion 111b, and the other end faces the first contact sensing mechanism 112.

The first embodiment is as follows:

as shown in fig. 1 and fig. 2, the movable clamping portion 111b is a clamping spring, the fixed clamping portion 111a is a fixed plate fixedly mounted on the inner side of the hook body, and the clamping spring itself has an elastic force, so that the clamping spring itself can be used as a clamping driving member 111c, specifically, when clamping is performed, the electrical member is placed between the clamping spring and the fixed clamping portion 111a, and at this time, the electrical member pushes the clamping spring to be away from the fixed clamping portion 111a, so as to drive the first movable contact member 113 to move toward the first contact sensing mechanism 112, and when clamping is performed in place, the first movable contact member 113 touches the first contact sensing mechanism 112.

Example two:

as shown in fig. 3, the hook body is in an inverted L shape, and constitutes a fixed clamping portion 111a, in this embodiment, the movable clamping portion 111b is in a long strip shape, the bottom end of the movable clamping portion 111b is hinged to the bottom end of the fixed clamping portion 111a, a torsion spring is sleeved on a hinged rotating shaft of the movable clamping portion 111b and serves as a clamping driving member 111c, the upper end of the movable clamping portion 111b abuts against the upper end of the fixed clamping portion 111a, and when an electrical appliance is clamped, the movable clamping portion 111b is electrically supported and driven to rotate downward, so as to drive the first movable contact member 113 to rotate downward, and make it contact with the first contact sensing mechanism 112 located on one side of the movable clamping portion.

In addition, as shown in fig. 4 and 5, in another type of embodiment, the first contact sensing mechanism 112 is located on a side of the fixed clamping portion 111a away from the movable clamping portion 111b, one end of the first movable contact member 113 is located between the movable clamping portion 111b and the fixed clamping portion 111a, the other end of the first movable contact member 113 passes through the fixed clamping portion 111a and faces the first contact sensing mechanism 112, the first movable contact member 113 is in sliding fit with the fixed clamping portion 111a, and when the clamping assembly 111 clamps the electrical component, since the clamping driving member 111c drives the electrical component to move towards the fixed clamping portion 111a, the first movable contact member 113 is indirectly pushed to move and touch the first contact sensing mechanism 112.

Two such example embodiments are also provided for ease of understanding.

Example three:

as shown in fig. 4, the clamp driving member 111c is composed of a locking screw 111 c' and a screw hole, the threaded hole may be opened on the hook body, the locking screw 111c 'is in threaded connection with the threaded hole, one end of the locking screw 111 c' faces the fixed clamping portion 111a, the movable clamping portion 111b is fixedly installed at one end of the screw facing the fixed clamping portion 111a, wherein, the fixed clamping part 111a can also be composed of a hook body, the hook body can adopt a horizontally arranged U-shaped structure, wherein the threaded hole is opened at the lower side of the hook body, the upper side of the hook body is used as a fixed clamping part 111a, when clamping, the electrical component is placed between the fixed clamping portion 111a and the movable clamping portion 111b, and the locking screw 111 c' is rotated to push the movable clamping portion 111b to move toward the fixed clamping portion 111a, thereby causing the electric device to push the first movable contact 113 and bring the first movable contact 113 into contact with the first contact sensing mechanism 112.

Example four

As shown in fig. 5, the structure of the third embodiment is similar to that of the third embodiment, except that the movable clamping portion 111b and the fixed clamping portion 111a are provided with opposite grooves 111d, wherein the end of the first movable contact is located in the groove 111d of the fixed member, and the structure is provided with the opposite grooves 111d, so that a better clamping effect can be obtained when clamping an electrical member such as a cable.

In addition, the conductive hook 100 of the present application further includes an insulating rod 120 for holding, it should be understood that the inside of the insulating rod 120 may be configured as a cavity for wiring, one end of the insulating rod 120 is fixedly connected to the hook portion 110, and the other end is mounted with a lighting mechanism 140, and in addition, the insulating rod 120 is further mounted with a near electric early warning device 130, so that an operator can be reminded that the hook portion 110 is close to an electric component through the near electric early warning device 130, thereby effectively improving safety performance.

The application further includes a grounding device, as shown in fig. 6, which is electrically connected to the hook portion 110, the grounding device includes a grounding pin 200, a second contact sensing mechanism 210 is fixedly installed on the grounding pin 200, a second movable contact 220 is disposed below the second contact sensing mechanism 210, in some embodiments, the second movable contact 220 is a disk shape, which is slidably sleeved on the grounding pin 200, a reset member 230 is further disposed on the grounding pin 200, the reset member 230 may be a reset spring sleeved on the grounding pin 200, one end of the reset spring is connected to the grounding pin 200, and the other end of the reset spring is connected to the second movable contact 220. When the grounding pin 200 is inserted into the ground, the ground surface pushes the second movable contact element 220 to move up against the grounding pin 200 until the second movable contact element 220 contacts the second contact sensing mechanism 210, so as to generate an electric signal to remind an operator that the grounding pin 200 is placed in place.

The application is suitable for the environment with limited vision such as night and fog, and can effectively assist operators to know whether the conductive hook is hung in place or not, so that the safety performance is improved.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The grounding device comprises a conductive hook, wherein the conductive hook comprises a hook part, the hook part comprises a clamping component, a first movable contact piece and a first contact induction mechanism, and the clamping component is used for driving the first movable contact piece to be in contact with the first contact induction mechanism.

2. The grounding device as claimed in claim 1, wherein the first contact sensing mechanism is fixed to one side of the clamping assembly, the clamping assembly includes a fixed clamping portion, a movable clamping portion movable relative to the fixed clamping portion, and a clamping driving member for driving the movable clamping portion toward the fixed clamping portion.

3. The grounding device as claimed in claim 2, wherein the first contact sensing mechanism is located on a side of the movable clamping portion away from the fixed clamping portion, one end of the first movable contact is connected to the movable clamping portion, and the other end of the first movable contact faces the first contact sensing mechanism.

4. A grounding device as in claim 2 or 3 wherein said movable clamping portion is a clamping spring and said clamping actuator is said clamping spring itself.

5. The grounding device as claimed in claim 2 or 3, wherein one end of the movable clamping portion is rotatably engaged with the fixed clamping portion, the other end of the movable clamping portion is abutted against the fixed clamping portion, the clamping driving member is used for driving the movable clamping portion to rotate towards the fixed clamping portion, and the clamping driving member is a torsion spring disposed on a rotating shaft of the movable clamping portion.

6. A grounding device as in claim 2 wherein said first contact sensing means is located on a side of said fixed clamping portion remote from said movable clamping portion, said first movable contact has one end located between said movable clamping portion and said fixed clamping portion and the other end passing through said fixed clamping portion and facing said first contact sensing means, said first movable contact being in sliding engagement with said fixed clamping portion.

7. The grounding device as claimed in claim 2 or 6, wherein the clamping driving member includes a locking screw and a threaded hole, the locking screw is threadedly coupled to the threaded hole, one end of the locking screw faces the fixed clamping portion, and the movable clamping portion is disposed at one end of the locking screw facing the fixed clamping portion.

8. The grounding device as in claim 7, wherein the movable clamping portion and the fixed clamping portion have opposing grooves, and one end of the first movable contact is disposed in the groove of the fixed clamping portion.

9. The grounding device as claimed in claim 1, further comprising an insulating rod fixedly connected to the hook portion, wherein the insulating rod is provided with an electric proximity alarm, and an illumination mechanism is provided at an end of the insulating rod away from the hook portion.

10. The grounding device as claimed in claim 1, further comprising a grounding device electrically connected to the hook portion, wherein the grounding device includes a grounding pin, the grounding pin is provided with a second contact sensing mechanism, a second movable contact is disposed below the second contact sensing mechanism, the second movable contact is slidably engaged with the grounding pin, and the grounding pin is further provided with a reset member, and the reset member is connected to the second movable contact.