CN112081470B - Ground wire locking device - Google Patents

Abstract

The invention discloses a ground wire locking device which comprises a lock catch and a rod-shaped connecting seat, wherein one end of the connecting seat is fixed on a ground post, a grounding end and a lock catch of a grounding wire are sleeved on a rod body, the grounding end of the grounding wire is positioned on the inner side of the lock catch and is blocked by the lock catch, the ground wire locking device also comprises a cover type locking assembly, the cover type locking assembly comprises a cover body and a lock bolt, the lock bolt is connected to the inner side of the cover body, the cover body is covered on the outer parts of the lock catch and the connecting seat, an avoiding groove is formed in the cover body, and a wire body of the grounding wire enters the avoiding groove through an opening of the avoiding groove to penetrate out of the cover body; the lock bolt can move to keep off and establish the opening of dodging the groove, prevents that the earth connection from deviating from and dodging the groove. The ground wire lock device has the advantages of simplicity, practicability, high connection and locking reliability, high safety performance and the like.

Description

A ground wire lock device

technical field

The invention relates to the field of electric equipment safety, in particular to a ground wire lock device.

Background technique

The existing grounding wire and the grounding column are connected and locked by the grounding wire lock. Since the grounding wire needs to transfer the high voltage and high current of the conductor to be grounded to the ground through the grounding column, the locking connection of the two is very important. . At present, the substation is usually equipped with a padlock with a microcomputer error prevention system on the grounding end of the ground wire. The microcomputer error prevention device is mainly used for the error prevention between electrical equipment. When there is no problem with the error prevention logic between the electrical equipment, the padlock can be opened normally. However, when the operator operates on the equipment, once the operation process is wrong, it will still have serious consequences.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a ground wire lock device that is simple and practical, has high connection and locking reliability and high safety performance.

In order to solve the above-mentioned technical problems, the technical scheme proposed by the present invention is:

A ground wire lock device comprises a lock buckle and a rod-shaped connecting seat, one end of the connecting seat is fixed on a grounding post, a grounding end of a grounding wire and a locking buckle are sleeved on the rod body, and the grounding end of the grounding wire is located inside the locking buckle Blocked by the locking buckle, it also includes a cover-type locking assembly, the cover-type locking assembly includes a cover body and a lock bolt, the lock bolt is connected to the inner side of the cover body, and the cover body is covered on the outside of the lock buckle and the connecting seat, The cover body is provided with an avoidance groove, and the wire body of the ground wire enters the avoidance groove through the opening of the avoidance groove to pass through the cover body; the lock bolt can move to block the opening of the avoidance groove and prevent the ground wire from falling out of the avoidance groove .

As a further improvement of the above technical solution:

The inner side of the cover body is provided with a chute, and the cover body is also provided with a strip hole parallel to the chute and corresponding to the position, the lock bolt includes a slide bar and a control button, one end of the control button is fixedly connected to the slide bar, The other end penetrates the surface of the cover body through the strip hole, and the slider can slide back and forth along the chute to block or release the opening of the avoidance slot under the control of the control button.

The lock bolt also includes an elastic piece, one end of the elastic piece is connected to the end of the slide bar, and the other end is fixed on the inner wall of the cover body, so that the slide bar is blocked at the opening of the escape groove under normal conditions.

The sliding groove, the sliding bar and the strip hole are all arc-shaped, and the curvatures of the three are the same.

The cover body is also provided with a first through hole, and the end of the connecting seat penetrates the first through hole, and the end is provided with a second through hole, and a padlock is pierced through the second through hole.

The connecting seat is provided with external threads, the locking buckle is provided with internal threads, and the locking buckle and the connecting seat are connected by threaded cooperation.

Compared with the prior art, the advantages of the present invention are:

The ground wire lock device of the present invention includes a lock buckle and a rod-shaped connecting seat, one end of the connecting seat is fixed on the grounding column, the grounding end of the grounding wire and the locking buckle are sleeved on the rod body, and the grounding end of the grounding wire is located in the locking buckle. The inner side is blocked by a lock to prevent the grounding wire from coming out of the connection seat, and to ensure that the grounding wire is always in contact with the grounding post. Different from the prior art, the ground wire lock device of the present invention further includes a cover-type locking component, the cover-type locking component includes a cover body and a lock bolt, the lock bolt is connected to the inner side of the cover body, and the cover body is covered over the lock. The outer part of the buckle and the connecting seat prevents the operator from accidentally touching the lock and causing the lock to loosen during the work process, resulting in the separation of the grounding wire and the grounding column, ensuring the connection and contact performance of the two, and greatly improving the use of the grounding wire. safety. The cover body is provided with an avoidance groove, and the wire body of the grounding wire enters the avoidance groove through the opening of the avoidance groove to pass through the cover body, so as to avoid problems such as inconvenient installation and disassembly caused by the interference between the cover body and the wire body of the grounding wire; It can move to block the opening of the avoidance groove, prevent the ground wire from coming out of the avoidance groove, and prevent the cover from falling, so that the cover can always fully exert its protective function, and at the same time, the disassembly and assembly process of the first ground wire is added, which provides a layer of grounding. The protection measures for the connection relationship between the wire and the grounding column further improve the connection strength of the grounding wire and the grounding column, as well as the safety of the grounding wire during use.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the ground wire lock device of the present invention;

Fig. 2 is the plane structure schematic diagram of the ground wire lock device of the present invention;

Fig. 3 is the sectional structure schematic diagram of the ground wire lock device of the present invention;

4 is a schematic diagram of the internal structure of the ground wire lock device of the present invention.

Legend description: 1. Lock; 2. Connection seat; 21. Second through hole; 3. Ground wire; 4. Cover locking assembly; 41. Cover; 414, the first through hole; 42, the lock bolt; 421, the slider; 422, the control button; 423, the elastic piece; 5, the padlock.

Detailed ways

In order to facilitate understanding of the present invention, the present invention will be described more comprehensively and in detail below with reference to the accompanying drawings and preferred embodiments of the specification, but the protection scope of the present invention is not limited to the following specific embodiments.

Example:

As shown in Fig. 1 to Fig. 3, the ground wire lock device of this embodiment includes a lock 1 and a rod-shaped connecting base 2. One end of the connecting base 2 is fixed on the grounding post, and the other end is sleeved with the locking buckle 1, which is grounded. The grounding end of the wire 3 passes through the connection base 2 , and is located on the inner side of the lock catch 1 and is blocked by the lock catch 1 . The ground wire lock device also includes a cover-type locking assembly 4. The cover-type locking assembly 4 includes a cover body 41 and a lock bolt 42. The lock bolt 42 is connected to the inner side of the cover body 41, and the cover body 41 covers the lock buckle 1 and connects The outside of the seat 2 prevents the operator from accidentally touching the lock 1 to loosen during the work process, resulting in the separation of the grounding wire 3 and the grounding column, ensuring the connection and contact performance of the two, and greatly improving the use of the grounding wire 3. security. The cover body 41 is provided with an escape groove 411 for avoiding the wire body of the ground wire 3 , so as to avoid problems such as inconvenient installation and disassembly caused by mutual interference with the wire body of the ground wire 3 . The lock bolt 42 can move to block the opening of the avoidance groove 411 to prevent the ground wire 3 from coming out of the avoidance groove 411 along the axial direction of the connection base 2 , so as to prevent the cover body 41 from falling off, so that the cover body 41 can always fully exert its protective effect. , increase the disassembly and assembly process of the first-level grounding wire 3, provide a protective measure for the connection between the grounding wire 3 and the grounding column, further improve the connection strength of the grounding wire 3 and the grounding column, and the safety of the grounding wire 3 during use. .

In the ground wire lock device of this embodiment, when performing the connection and locking operation, it is necessary to first pass the end of the ground wire 3 on the connection base 2 , and then sleeve the fixed lock 1 to clamp the end of the ground wire 3 . , and then open the lock bolt 42 of the cover locking assembly 4, so that the cover body 41 can be fastened on the lock buckle 1, the end of the ground wire 3 and the outside of the connection base 2, and the wire body of the ground wire 3 passes through the avoidance groove. After 411, the latch 42 can be closed. When performing the unlocking operation, first open the lock bolt 42 and remove the cover locking assembly 4, so that the lock catch 1, the end of the ground wire 3 and the connection base 2 are exposed to the outside, then remove the lock catch 1, and then take it out. The grounding wire 3 can release the connection between the grounding wire 3 and the grounding post. This setting method is to further prevent errors in the operation process when the specific operator operates on the equipment under the correct electrical operation steps.

In this embodiment, as shown in FIG. 3 and FIG. 4 , the inner side of the cover body 41 is provided with a chute 412 , and the cover body 41 is further provided with a strip hole 413 parallel to the chute 412 and corresponding to the position. The lock bolt 42 includes The slide bar 421 and the control button 422, one end of the control button 422 is fixedly connected to the slide bar 421, and the other end penetrates the surface of the cover body 41 through the bar hole 413. When the operator slides the control button 422 along the bar-shaped hole 413 , the sliding bar 421 reciprocates along the sliding groove 412 to block or release the opening of the escape groove 411 , thereby realizing the locking and unlocking of the cover locking assembly 4 Function.

In this embodiment, the lock bolt 42 further includes an elastic member 423. One end of the elastic member 423 is connected to the end of the slide bar 421, and the other end is fixed on the inner wall of the cover body 41, so that the slide bar 421 is blocked in the avoidance groove under normal conditions. Even if the opening of 411 is unlocked, the slider 421 will automatically reset to the blocking state, preventing problems such as insufficient locking or forgetting to lock caused by manual misoperation.

In this embodiment, the sliding groove 412 , the sliding bar 421 and the strip hole 413 are all arc-shaped, and the three have the same curvature. This structure reduces the need for the sliding bar 421 to slide on the premise that the sliding bar 421 can slide smoothly. The horizontal space is reduced, the overall structure of the ground wire lock device is reduced, and the manufacture and transportation are convenient. In other embodiments, sliding combinations of other shapes may also be used, which will not be repeated here.

In this embodiment, the cover body 41 is further provided with a first through hole 414 , and the end of the connecting seat 2 passes through the first through hole 414 , and the end is provided with a second through hole 21 , which is on the second through hole 21 . Wear with padlock 5. Under the double locking structure in which the lock 1 is locked and the cover locking assembly 4 is locked, the padlock 5 is a third locking structure, which further prevents the cover 41 from falling off and ensures the connection performance of the grounding wire 3 and the grounding post.

In this embodiment, the connection seat 2 is provided with an external thread, and the lock catch 1 is provided with an internal thread. The lock catch 1 and the connection seat 2 are connected by threaded cooperation, which further strengthens the connection strength. In other embodiments, the lock catch 1 The connection base 2 may also adopt other connection methods, which will not be described in detail here.

The above are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments. For those skilled in the art, improvements and transformations obtained without departing from the technical concept of the present invention should also be regarded as the protection scope of the present invention.

Claims (5)

1. The utility model provides a ground wire locking device, includes hasp (1) and shaft-like connecting seat (2), on the one end of connecting seat (2) was fixed in the ground connection post, cup jointed earthing terminal and hasp (1) of earth connection (3) on the pole body, the earthing terminal of earth connection (3) is located hasp (1) inboard and is kept off by hasp (1) and establish its characterized in that: the anti-theft device is characterized by further comprising a cover type locking assembly (4), wherein the cover type locking assembly (4) comprises a cover body (41) and a lock bolt (42), the lock bolt (42) is connected to the inner side of the cover body (41), the cover body (41) is covered outside the lock catch (1) and the connecting seat (2), an avoiding groove (411) is formed in the cover body (41), the cover body (41) is of a stepped structure, and a wire body of the grounding wire (3) enters the avoiding groove (411) through an opening of the avoiding groove (411) to penetrate out of the cover body (41) through a stepped part towards the outer side of the cover body (41); be equipped with spout (412) on the step face between the outside facing ladder section of lid (41) and the ladder section that is close to the earthing pole, still be equipped with on lid (41) with parallel and position of spout (412) bar hole (413) that correspond, set bar (42) are including draw runner (421) and control button (422), control button (422) one end fixed connection draw runner (421), the surface of lid (41) is worn out through bar hole (413) to the other end, draw runner (421) can be followed spout (412) reciprocating sliding and is kept off or is decontroled the opening of dodging groove (411) under control button (422).

2. The ground wire lock device of claim 1, wherein: the lock bolt (42) further comprises an elastic piece (423), one end of the elastic piece (423) is connected with the end part of the sliding strip (421), and the other end of the elastic piece (423) is fixed on the inner wall of the cover body (41), so that the sliding strip (421) is arranged on the opening of the avoiding groove (411) in a blocking mode in a normal state.

3. The ground wire lock device of claim 1, wherein: the sliding groove (412), the sliding strip (421) and the strip-shaped hole (413) are all arc-shaped, and the curvatures of the sliding groove, the sliding strip and the strip-shaped hole are the same.

4. The ground wire lock device of claim 1, wherein: the cover body (41) is further provided with a first through hole (414), the end portion of the connecting seat (2) penetrates out of the first through hole (414), a second through hole (21) is formed in the end portion, and a padlock (5) penetrates through the second through hole (21).

5. The ground wire lock device of claim 1, wherein: the connecting device is characterized in that an external thread is arranged on the connecting seat (2), an internal thread is arranged on the lock catch (1), and the lock catch (1) is connected with the connecting seat (2) in a thread fit mode.

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