CN110429431B - A mobile anti-mistaken removal ground wire pile - Google Patents

Abstract

The invention discloses a movable anti-false-disassembly ground wire pile, and relates to the field of equipment overhaul. The chuck at the place of the ground busbar of traditional earth connection existence can produce not hard up, easily misuse, causes staff's induction electricity to electrocute. The invention comprises a ground wire lock hole, a fixed seat, a movable bottom plate and a foldable operating rod, wherein the fixed seat comprises a mounting plate and a fixed baffle plate, the operating rod downwards passes through the mounting plate, the lower end of the operating rod is connected with the movable bottom plate, the movable bottom plate is opposite to the fixed baffle plate, the operating rod is in threaded connection with the mounting plate, when the operating rod rotates, the movable bottom plate can move up and down, a locking pin for preventing the operating rod from rotating horizontally is arranged on the top surface of the mounting plate around the operating rod, and after the operating rod is folded, the horizontal direction is limited by the locking pin and can not rotate, so that mechanical locking is realized. After the ground wire is locked, the condition that the ground wire pile is loosened or the ground wire pile is manually and wrongly disassembled due to the rotation of the operating rod can be effectively avoided.

Description

A mobile anti-mistaken removal ground wire pile

Technical Field

The invention relates to the field of equipment maintenance, and in particular to a movable anti-mistaken removal ground wire pile.

Background technique

When performing maintenance work on power equipment, it is usually necessary to add a grounding wire to the maintenance equipment to prevent maintenance personnel from inductive electric shock and causing personal accidents. One end of the grounding wire is clamped on the maintenance equipment, and the other end is fixed to the grounding busbar connected to the grounding grid. The clamp of the traditional grounding wire at the grounding busbar will become loose. After the grounding wire is clamped to the grounding pile, the handle can be rotated to remove the grounding pile, which is easy to be removed by mistake, causing inductive electric shock to the staff. In addition, the traditional grounding pile is welded on the grounding angle iron next to the equipment, which is prone to corrosion and rust, and the maintenance workload is large and the maintenance cost is high.

Summary of the invention

The technical problem to be solved and the technical task proposed by the present invention are to improve and perfect the existing technical solutions and provide a mobile anti-mistaken removal ground wire pile to prevent the ground wire from being mistakenly removed. To this end, the present invention adopts the following technical solutions.

A movable anti-mistaken disassembly ground wire pile, comprising a clamp, a ground wire lock hole, and an operating rod, wherein the clamp comprises a fixed seat, a movable bottom plate that can move relative to the fixed seat, the fixed seat comprises a fixed baffle plate opposite to the movable bottom plate, and a mounting plate arranged parallel to the fixed baffle plate, the movable bottom plate is arranged between the fixed baffle plate and the mounting plate, a connecting hole matching the operating rod is arranged on the mounting plate, and the operating rod passes through the connecting hole and is connected to the movable bottom plate; a ground wire pile plate perpendicular to the mounting plate and a plurality of ground wire pile plates located around the connecting hole are arranged on the surface of the mounting plate away from the fixed baffle plate The locking pin of the ground wire pile plate is provided with a ground wire lock hole, and the distance from the ground wire lock hole to the mounting plate is greater than the distance from the top of the locking pin to the mounting plate; the operating rod is provided with a rotating shaft; the ground wire lock hole is opposite to the operating rod in the upright state, and the operating rod drives the movable bottom plate to move to adjust the distance between the fixed baffle plate and the movable bottom plate. When the movable bottom plate moves into place, the operating rod is folded at the rotating shaft, and the folded operating rod is stuck between the locking pins. After the ground wire is installed in the ground wire lock hole, the folded operating rod is parallel to prevent the operating rod from being straightened and rotated, thereby realizing mechanical locking. After the ground wire is inserted into the lock hole, the operating rod is tightened and then folded at the rotating shaft. The ground wire head and three locking pins firmly clamp the operating rod in the middle, and the operating rod cannot be straightened and rotated, thereby preventing the operating rod from moving in the horizontal direction, thereby forming a mechanical lock, which can effectively prevent the operating rod from rotating to loosen the ground wire pile or cause human error in disassembly.

As a further improvement and supplement to the above technical solution, the present invention also includes the following additional technical features.

As the preferred technical means:

The mounting plate is provided with three locking pins, which are located at the vertices of an isosceles triangle, and surround the connecting hole, wherein one locking pin is located between the connecting hole and the ground wire pile plate. The position layout of the locking pins can effectively prevent the horizontal rotation of the operating rod after folding, and the structure is simple and reliable.

The three locking pins are evenly arranged around the connection hole, and the distance from the top of the locking pin to the mounting plate is h, 14 mm ≤ h ≤ 18 mm; the top of the locking pin is spherical. Within a certain height range, it can block the lateral rotation of the operating rod, but it is not too high to cause material waste. The spherical top has no sharp angles and good contact safety.

The fixed baffle is bent and extended to form a connecting plate fixed to the mounting plate. The connecting plate is vertically connected to the mounting plate, and the connection is located in the middle of the mounting plate. The ground wire pile plate is provided on one side of the mounting plate, and a connecting hole is provided on the other side of the mounting plate; the connecting hole is opposite to the fixed baffle. The integrated structure has high structural strength, reasonable position layout, and good balance.

A reinforcing rib is provided between the connecting plate and the mounting plate, which can effectively improve the structural strength, make the connection between the connecting plate and the mounting plate firmer, and increase the reliability.

A threaded sleeve is inserted into the ground wire lock hole of the ground wire pile plate, one end of the sleeve is against the ground wire pile plate, and the other end is connected to the nut after passing through the ground wire lock hole. Both the sleeve and the nut are copper parts. The threaded sleeve passes through the ground wire pile plate and then connects to the nut. The fixing structure is simple and firm, and it is easy to maintain and replace. The sleeve and the nut are made of copper parts, which have good conductivity and are not easy to corrode and rust.

The operating rod comprises a first rod and a second rod rotatably connected to the first rod, the second rod is connected to the first rod via a rotating shaft so that the second rod can rotate relative to the first rod, and the second rod is clamped between two locking pins after being folded, so that the foldable structure of the operating rod is conveniently realized, and the connection structure is simple and reliable.

The rotating shaft is a rivet with a diameter not greater than 14 mm. The rivet has low cost and simple structure and can effectively prevent axial movement.

The connection hole is a screw hole, the first rod is threadedly connected to the connection hole, a slot is provided at the end of the first rod, a pressure plate is inserted in the slot, and the pressure plate is fixed to the movable bottom plate by screws to realize the connection between the operating rod and the movable bottom plate. The threaded connection can effectively realize the up and down movement of the movable bottom plate by rotating the operating rod, and the structure is simple. The connection structure of the pressure plate, the first rod and the movable bottom plate can effectively realize that when the first rod rotates and moves up and down, the movable bottom plate can only move up and down, but not rotate.

The operating end of the second rod is provided with an insulating handle sleeve, the length of the second rod is L2, where 180 mm ≤ L2 ≤ 250 mm; the length of the first rod is L1, where 50 mm ≤ L1 ≤ 60 mm; the distance between the mounting plate and the fixed baffle is D, 50 mm ≤ D ≤ 60 mm; the length of the fixed baffle is L3, 40 mm ≤ L3 ≤ 60 mm; the length of the mounting plate is L4, 90 mm ≤ L3 ≤ 100 mm. The insulating handle sleeve and the effective length of the second rod facilitate the operation of personnel and provide good safety.

Beneficial effects:

1. Effectively realize the mechanical locking of the operating lever to prevent the grounding pile from loosening due to the rotation of the operating lever or causing accidental removal by human beings, effectively improving safety and avoiding induction electric shock to the staff.

2. By setting a locking pin, the horizontal rotation of the operating lever after folding can be effectively prevented.

3. The mounting plate, connecting plate and fixed baffle are integrated into one structure, and the overall structural strength is effectively enhanced by adding reinforcing ribs.

4. After passing the threaded copper sleeve through the ground wire pile plate, connect the copper nut. The connection structure is firm, easy to replace and maintain, has good conductivity, and is not easy to corrode and rust.

5. The threaded connection between the first rod and the connecting hole can effectively realize the axial movement of the operating rod when it rotates. The connection structure between the pressure plate, the first rod and the movable bottom plate can effectively realize that when the first rod rotates and moves up and down, the movable bottom plate can only move up and down but not rotate.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic diagram of the main structure of the present invention.

Fig. 2 is a schematic cross-sectional view taken along line A-A in Fig. 1 of the present invention.

FIG. 3 is a schematic structural diagram of the operating lever of the present invention in a folded state.

FIG. 4 is a schematic diagram of the structure of the operating lever of the present invention.

FIG. 5 is a schematic diagram of the structure of the fixing seat of the present invention.

In the figure: 1-fixed seat; 2-operating rod; 3-movable bottom plate; 4-ground pile plate; 5-locking pin; 6-shaft sleeve; 7-nut; 8-pressure plate; 101-fixed baffle plate; 102-connecting plate; 103-reinforcement rib plate; 104-mounting plate; 105-connecting hole; 201-first rod; 202-second rod; 203-handle sleeve; 204-rotating shaft; 20101-slot.

Detailed ways

The technical solution of the present invention is further described in detail below in conjunction with the accompanying drawings.

As shown in Fig. 1-5, a movable anti-mistaken disassembly ground wire pile comprises a chuck, a ground wire lock hole, and an operating rod 2. The chuck comprises a fixed seat 1, a movable bottom plate 3 that can move relative to the fixed seat 1, the fixed seat 1 comprises a fixed baffle 101 opposite to the movable bottom plate 3, and a mounting plate 104 arranged parallel to the fixed baffle 101. The movable bottom plate 3 is arranged between the fixed baffle 101 and the mounting plate 104. A connecting hole 105 matching the operating rod 2 is provided on the mounting plate 104, and the operating rod 2 is connected to the movable bottom plate 3 through the connecting hole 105; the surface of the mounting plate 104 facing away from the fixed baffle 101 is provided with a ground wire pile plate 4 perpendicular to the mounting plate 104 and a plurality of The locking pin 5 is located around the connecting hole 105, and the ground wire pile plate 4 is provided with a ground wire locking hole. The distance from the ground wire locking hole to the mounting plate 104 is greater than the distance from the top of the locking pin 5 to the mounting plate 104. The operating rod 2 is provided with a rotating shaft 204. The ground wire locking hole is opposite to the operating rod 2 in the upright state. The operating rod 2 drives the movable bottom plate 3 to move to adjust the distance between the fixed baffle 101 and the movable bottom plate 3. When the movable bottom plate 3 moves into place, the operating rod 2 is folded at the rotating shaft 204, and the folded operating rod 2 is stuck between the locking pins 5. After the ground wire is installed in the ground wire locking hole, the operating rod 2 is parallel after the ground wire is folded, so as to prevent the operating rod 2 from being straightened and rotated, thereby realizing mechanical locking.

In order to prevent the operating rod 2 from rotating horizontally after being folded, three locking pins 5 are provided on the mounting plate 104. The three locking pins 5 are located at the vertices of an isosceles triangle. The three locking pins 5 surround the connecting hole 105, and one of the locking pins 5 is located between the connecting hole 105 and the ground wire pile plate 4. The position layout of the locking pins 5 can effectively prevent the operating rod 2 from rotating horizontally after being folded and becoming loose, and the structure is simple and reliable.

In order to improve contact safety, three locking pins 5 are evenly arranged around the connection hole 105, and the distance from the top of the locking pin 5 to the mounting plate 104 is 15mm; the top of the locking pin 5 is spherical. Within a certain height range, it can block the lateral rotation of the operating rod 2, but it is not too high to cause material waste. The spherical top has no sharp angles and good contact safety.

In order to effectively improve the structural strength, one side of the fixed baffle plate 101 is bent and then extended to form a connecting plate 102 fixedly connected to the mounting plate 104. The connecting plate 102 is vertically connected to the mounting plate 104, and the connection is located in the middle of the mounting plate 104. One side of the mounting plate 104 is provided with a ground wire pile plate 4, and the other side of the mounting plate 104 is provided with a connecting hole 105; the connecting hole 105 is opposite to the fixed baffle plate 101. The integrated structure has high structural strength, reasonable position layout, and good balance.

In order to better improve the structural strength, a reinforcing rib 103 is provided between the connecting plate 102 and the mounting plate 104. The structural strength can be effectively improved, so that the connection between the connecting plate 102 and the mounting plate 104 is more firm and more reliable.

In order to facilitate maintenance, a threaded sleeve 6 is inserted into the ground wire lock hole of the ground wire pile plate 4, one end of the sleeve 6 is against the ground wire pile plate 4, and the other end is connected to the nut 7 after passing through the ground wire lock hole. Both the sleeve 6 and the nut 7 are copper parts. By passing the threaded sleeve 6 through the ground wire pile plate 4 and then connecting the nut 7, the fixing structure is simple and firm, easy to maintain and replace, and the sleeve 6 and the nut 7 are made of copper parts, which have good conductivity and are not easy to corrode and rust.

In order to realize the foldable structure of the operating rod 2, the operating rod 2 includes a first rod 201 and a second rod 202 rotatably connected to the first rod 201. The second rod 202 is connected to the first rod 201 via a rotating shaft 204 so that the second rod 202 can rotate relative to the first rod 201. After the second rod 202 is folded, it is stuck between the two locking pins 5. The foldable structure of the operating rod 2 is conveniently realized, and the connection structure is simple and reliable.

In order to reduce the cost, the rotating shaft 204 is a rivet with a diameter not greater than 14 mm. The rivet has low cost, simple structure, and can effectively prevent axial movement.

In order to realize the up and down movement of the movable bottom plate 3, the connection hole 105 is a screw hole, the first rod 201 is threadedly connected to the connection hole 105, and a clamping groove 20101 is provided at the end of the first rod 201. The clamping plate 8 is inserted in the clamping groove 20101, and the clamping plate 8 is fixed to the movable bottom plate 3 by screws to realize the connection between the operating rod 2 and the movable bottom plate 3. The threaded connection can effectively realize the up and down movement of the movable bottom plate 3 by rotating the operating rod 2, and the structure is simple. The connection structure of the clamping plate 8, the first rod 201 and the movable bottom plate 3 can effectively realize that when the first rod 201 rotates and moves up and down, the movable bottom plate 3 can only move up and down, but not rotate.

In order to facilitate the operation of personnel, the operating end of the second rod 202 is provided with an insulating handle cover 203, the length of the second rod 202 is 200 mm, the length of the first rod 201 is 50 mm, the distance between the mounting plate 104 and the fixed baffle 101 is 60 mm, the length of the fixed baffle 101 is 60 mm, and the length of the mounting plate 104 is 100 mm. The insulating handle cover 203 and the effective length of the second rod 202 facilitate the operation of personnel and improve the safety of operation.

After the ground wire is inserted into the lock hole, the operating rod 2 is tightened and then folded at the rotating shaft 204. The ground wire head and the three locking pins 5 firmly clamp the operating rod 2 in the middle, and the operating rod 2 cannot be straightened and rotated, preventing the operating rod 2 from moving in the horizontal direction, forming a mechanical lock, which can effectively prevent the operating rod 2 from rotating to loosen the ground wire pile or cause accidental removal by human beings.

The movable anti-mistaken removal ground wire pile shown in Figures 1-5 above is a specific embodiment of the present invention, which has embodied the essential characteristics and progress of the present invention. According to actual use needs and under the guidance of the present invention, equivalent modifications can be made to its shape, structure, etc., which are all within the protection scope of this scheme.

Claims (10)

1. The utility model provides a portable mistake of preventing tearing open ground wire stake, includes chuck, ground wire lockhole, action bars (2), its characterized in that: the chuck comprises a fixed seat (1) and a movable bottom plate (3) capable of moving relative to the fixed seat (1), wherein the fixed seat (1) comprises a fixed baffle plate (101) opposite to the movable bottom plate (3) and a mounting plate (104) arranged in parallel with the fixed baffle plate (101), the movable bottom plate (3) is arranged between the fixed baffle plate (101) and the mounting plate (104), a connecting hole (105) matched with an operating rod (2) is formed in the mounting plate (104), and the operating rod (2) passes through the connecting hole (105) to be connected with the movable bottom plate (3); the surface of the mounting plate (104) deviating from the fixed baffle plate (101) is provided with a ground wire pile plate (4) perpendicular to the mounting plate (104) and a plurality of locking pins (5) positioned at the periphery of the connecting hole (105), the ground wire pile plate (4) is provided with a ground wire lock hole, and the distance from the ground wire lock hole to the mounting plate (104) is greater than the distance from the top of the locking pins (5) to the mounting plate (104); the operating rod (2) is provided with a rotating shaft (204); the ground wire lockhole is opposite to the operating rod (2) in the vertical state, the operating rod (2) drives the movable bottom plate (3) to move to adjust the distance between the fixed baffle plate (101) and the movable bottom plate (3), after the movable bottom plate (3) moves in place, the operating rod (2) is folded at the rotating shaft (204), the folded operating rod (2) is clamped between the locking pins (5), after the ground wire is installed to the ground wire lockhole, the operating rod (2) after the ground wire is folded is parallel, the operating rod (2) is prevented from being straightened and rotated, and mechanical locking is realized.

2. The mobile anti-misdisassembly ground pile according to claim 1, wherein: the mounting plate (104) is provided with three locking pins (5), the three locking pins (5) are positioned at the top points of isosceles triangles, the three locking pins (5) surround the connecting hole (105), and one locking pin (5) is positioned between the connecting hole (105) and the ground wire pile plate (4).

3. The mobile anti-misdisassembly ground pile according to claim 2, wherein: the three locking pins (5) are uniformly arranged around the connecting hole (105), and the distance from the locking pins (5) to the mounting plate (104) is h, and h is 14 mm-18 mm; the top of the locking pin (5) is spherical crown.

4. A mobile anti-misdisassembly ground pile according to claim 3, characterized in that: the fixed baffle plate (101) is bent at one side and then extends to form a connecting plate (102) fixedly connected with the mounting plate (104), the connecting plate (102) is vertically connected with the mounting plate (104), the connecting part is positioned in the middle of the mounting plate (104), one side of the mounting plate (104) is provided with the ground wire pile plate (4), and the other side of the mounting plate (104) is provided with a connecting hole (105); the connecting hole (105) is opposite to the fixed baffle plate (101).

5. The mobile anti-misdisassembly ground pile according to claim 4, wherein: a reinforcing rib plate (103) is arranged between the connecting plate (102) and the mounting plate (104).

6. The mobile anti-misdisassembly ground pile according to claim 5, wherein: a shaft sleeve (6) with threads is arranged in a ground wire lock hole of the ground wire pile plate (4) in a penetrating mode, one end of the shaft sleeve (6) abuts against the ground wire pile plate (4), the other end of the shaft sleeve passes through the ground wire lock hole and then is connected with a nut (7), and the shaft sleeve (6) and the nut (7) are copper pieces.

7. The mobile anti-misdisassembly ground pile according to claim 6, wherein: the operating rod (2) comprises a first rod (201) and a second rod (202) rotatably connected with the first rod (201), wherein the second rod (202) is connected with the first rod (201) through a rotating shaft (204), so that the second rod (202) can rotate relative to the first rod (201), and the second rod (202) is clamped between the two locking pins (5) after being folded.

8. The mobile anti-misdisassembly ground pile according to claim 7, wherein: the rotating shaft (204) is a rivet with the diameter not larger than 14 mm.

9. The mobile anti-misdisassembly ground pile according to claim 8, wherein: the connecting hole (105) is a screw hole, the first rod (201) is in threaded connection with the connecting hole (105), a clamping groove (20101) is formed in the end portion of the first rod (201), the clamping groove (20101) is internally provided with the pressing plate (8), the pressing plate (8) is fixedly connected to the movable bottom plate (3) through a screw, and the operation rod (2) is connected with the movable bottom plate (3).

10. The mobile anti-misdisassembly ground pile according to claim 9, wherein: the operating end of the second rod (202) is provided with an insulated handle sleeve (203), the length of the second rod (202) is L2, wherein L2 is more than or equal to 180mm and less than or equal to 250mm; the length of the first rod (201) is L1, wherein L1 is more than or equal to 50 and less than or equal to 60mm; the distance between the mounting plate (104) and the fixed baffle plate (101) is D, and D is more than or equal to 50 and less than or equal to mm and less than or equal to 60mm; the length of the fixed baffle plate (101) is L3, L3 is more than or equal to 40 mm and less than or equal to 60mm; the length of the mounting plate (104) is L4, and L3 is more than or equal to 90 mm and less than or equal to 100mm.