Electric grounding clamp device

Abstract

The present invention relates to the technical field of high-voltage line maintenance, and discloses an electric grounding chuck device, comprising a shell, a wireless control module is fixedly installed inside the shell, a battery located on the left side of the wireless control module is fixedly installed inside the shell, a motor bracket is fixedly installed inside the shell, a DC motor is fixedly installed on the top of the motor bracket, a coupling is fixedly installed on the output shaft of the DC motor, a bearing seat located inside the motor bracket is fixedly installed inside the shell, and a first threaded rod penetrating the bearing seat is fixedly installed inside the coupling. The electric grounding chuck device is simple to operate and convenient for users to clamp. At the same time, a DC motor is used as a power source to drive a threaded clamping structure. When the electric chuck stops working, it can maintain the original holding force, is not easily blown by the wind, and maintains the flow effect of the chuck, which can effectively avoid poor contact and burning.

Description

Technical Field

[0001] The invention relates to the technical field of high-voltage line maintenance, in particular to an electric grounding clamp device. Background Art

[0002] The annual maintenance task of UHV lines is heavy. The UHV AC lines are long and there are many parallel power lines along the way. At the same time, double-circuit lines are basically maintained in a rotation manner, and the induced electricity is large. A large number of grounding wires need to be hung for each maintenance. The current grounding wire solution is: after completing the electrical test operation, first hang the traditional grounding wire, and then hang the multi-split safety grounding wire (the staff takes out the porcelain bottle string and tightens it one by one with a special insulating operating rod). The advantage of the grounding wire is that it is simple and reliable, and in the process of grounding, an crocodile-mouth grounding wire clamp will be used.

[0003] The existing all-copper crocodile-mouth grounding wire clamp will seriously wear and burn the wire when in use, and will also have disadvantages such as poor contact due to spring failure, which brings inconvenience to the user and is also inconvenient for the user to operate the grounding wire. Therefore, an electric grounding clamp device is proposed. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides an electric grounding clamp device, which has the advantages of being easy to use, etc., and solves the problem that the existing all-copper crocodile-mouth grounding wire clamp will seriously wear and burn the wire during use, and will also have poor contact due to spring failure, etc., which brings inconvenience to the user and is not convenient for the user to operate the grounding wire.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose of easy use, the present invention provides the following technical solutions: an electric grounding chuck device, comprising a shell, a wireless control module is fixedly installed inside the shell, a battery located on the left side of the wireless control module is fixedly installed inside the shell, a motor bracket is fixedly installed inside the shell, a DC motor is fixedly installed on the top of the motor bracket, a coupling is fixedly installed on the output shaft of the DC motor, a bearing seat located inside the motor bracket is fixedly installed inside the shell, a first threaded rod penetrating the bearing seat is fixedly installed inside the coupling, the external thread of the first threaded rod is connected to a locking nut located on the top of the bearing seat, the external sleeve of the first threaded rod is sleeved with a bearing located inside the bearing seat, a limiting plate is fixedly installed on the bottom of the first threaded rod, a piston is fixedly installed on the bottom of the shell, a movable sleeve is fixedly installed on the inside of the piston, and a movable sleeve penetrating the movable sleeve is fixedly installed on the bottom of the limiting plate The movable sleeve and the second threaded rod of the piston, the outer part of the piston is sleeved with a spring sleeve, the outer part of the second threaded rod is sleeved with a first spring located inside the spring sleeve and at the bottom of the piston, two fixed plates are fixedly installed at the bottom of the spring sleeve, a threaded sleeve sleeved on the outer part of the second threaded rod is movably installed between the two fixed plates, two fixed shafts are fixedly installed between the two fixed plates, the outer parts of the two fixed shafts are sleeved with chucks, the chucks and the threaded sleeves are movably connected through a connecting plate, the two chucks are fixedly connected with grounding copper wires on the opposite sides, a fixed sleeve is fixedly installed on the left side of the spring sleeve, a locking pin that penetrates the spring sleeve and extends to the inside of the piston is movably installed inside the fixed sleeve, the outer part of the locking pin is sleeved with a second spring located inside the fixed sleeve, an eccentric handle located on the left side of the fixed sleeve is movably installed on the left side of the locking pin, and a travel switch is fixedly installed on the bottom of the fixed plate.

[0008] Preferably, the wireless control module is electrically connected to the battery, and the wireless control module is electrically connected to the DC motor.

[0009] Preferably, the number of the bearings is two, both of the bearings are plane bearings, and the top of the upper bearing and the bottom of the lower bearing are in contact with the locking nut and the limit plate respectively.

[0010] Preferably, the piston and the spring sleeve are both provided with through holes, the second threaded rod passes through the through holes, the diameter of the through hole is larger than the diameter of the second threaded rod, and the inner diameter of the bearing is larger than the diameter of the first threaded rod.

[0011] Preferably, the spring sleeve comprises a spring tube and a sealing cover, the top of the spring tube is fixedly mounted with the sealing cover, and the sealing cover is in a cylindrical shape.

[0012] Preferably, a limit ring is fixedly installed on the bottom of the piston, the diameter of the limit ring is the same as the inner diameter of the spring tube, the diameter of the piston is the same as the inner diameter of the cover, and the inner diameter of the cover is smaller than the inner diameter of the spring tube.

[0013] Preferably, a threaded hole is provided inside the threaded sleeve, the threaded hole is matched with the second threaded rod, and the second threaded rod passes through the threaded hole.

[0014] Preferably, grooves are provided on opposite sides of the two chucks, and the grooves are circular grooves.

[0015] Preferably, a limiting hole is opened on the left side of the piston, and the limiting hole and a locking pin are formed, and the locking pin extends into the inside of the limiting hole.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the present invention provides an electric grounding clamp device, which has the following beneficial effects:

[0018] 1. The electric grounding chuck device places the guide tube to be clamped between the two chucks 20, and at the same time the guide tube touches the travel switch 27. The travel switch 27 transmits the signal to the wireless control module 2 in an existing manner. The wireless control module 2 controls the DC motor to start in an existing manner, thereby driving the coupling to rotate, thereby driving the first threaded rod to rotate, thereby driving the limit plate and the second threaded rod to rotate. Under the action of the threaded hole, the rotation of the second threaded rod can drive the up and down movement, thereby driving the connecting plate to move synchronously, thereby driving the two chucks to rotate around the fixed axis, so that the bottom ends of the two chucks are close to or away from each other, and the guide tube can be clamped and released. The operation is simple and convenient for users to clamp. At the same time, a DC motor is used as a power source to drive the threaded clamping structure. When the electric chuck stops working, the original holding force is maintained, and it is not easy to be blown by the wind. The flow-through effect of the chuck is maintained, which can effectively avoid poor contact and burning.

[0019] 2. The electric grounding chuck device can drive the locking pin to move leftward by rotating the eccentric handle, so that the locking pin leaves the inside of the limiting hole, so that the piston will lose its restraining force. Under the action of the restoring force of the first spring, the piston can be pushed to move upward, thereby driving the outer shell to move upward, thereby driving the second threaded rod to move upward, thereby driving the spring sleeve to move upward, so that the bottom ends of the two chucks can be moved away from each other, and the guide tube can be loosened, thereby effectively avoiding the situation where the DC motor is out of power or fails and the chuck cannot be opened, and it is more convenient for users to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the structure of an electric grounding clamp device proposed by the present invention;

[0021] Figure 2 A right view of an electric grounding clamp device proposed by the present invention;

[0022] Figure 3 This is an enlarged schematic diagram of the structure at position A of an electric grounding clamp device proposed by the present invention;

[0023] Figure 4 This is an enlarged schematic diagram of the structure at position B of an electric grounding clamp device proposed by the present invention.

[0024] In the figure: 1 housing, 2 wireless control module, 3 battery, 4 motor bracket, 5 DC motor, 6 coupling, 7 bearing seat, 8 first threaded rod, 9 locking nut, 10 bearing, 11 limit plate, 12 second threaded rod, 13 movable sleeve, 14 piston, 15 spring sleeve, 16 first spring, 17 fixed plate, 18 threaded sleeve, 19 fixed shaft, 20 chuck, 21 connecting plate, 22 grounding copper wire, 23 fixed sleeve, 24 locking pin, 25 second spring, 26 eccentric handle, 27 travel switch. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-4, an electric grounding chuck device, including a shell 1, a wireless control module 2 is fixedly installed inside the shell 1, a battery 3 located on the left side of the wireless control module 2 is fixedly installed inside the shell 1, a motor bracket 4 is fixedly installed inside the shell 1, a DC motor 5 is fixedly installed on the top of the motor bracket 4, and the model of the DC motor 5 can be ZYT, the wireless control module 2 is electrically connected to the battery 3, the wireless control module 2 is electrically connected to the DC motor 5, a coupling 6 is fixedly installed on the output shaft of the DC motor 5, a bearing seat 7 located inside the motor bracket 4 is fixedly installed inside the shell 1, a first threaded rod 8 penetrating the bearing seat 7 is fixedly installed inside the coupling 6, the outer surface of the first threaded rod 8 is threadedly connected to a locking nut 9 located on the top of the bearing seat 7, and the first threaded rod 8 is threadedly connected to the outer surface of the first threaded rod 8. The outer part of the rod 8 is sleeved with a bearing 10 located inside the bearing seat 7, and a limiting plate 11 is fixedly installed at the bottom of the first threaded rod 8. There are two bearings 10, both of which are plane bearings. The top of the upper bearing 10 and the bottom of the lower bearing 10 are in contact with the locking nut 9 and the limiting plate 11 respectively. A piston 14 is fixedly installed at the bottom of the housing 1, and a movable sleeve 13 is fixedly installed inside the piston 14. A second threaded rod 12 that passes through the movable sleeve 13 and the piston 14 is fixedly installed at the bottom of the limiting plate 11. The outer part of the piston 14 is sleeved with a spring sleeve 15, and through holes are opened inside the piston 14 and the spring sleeve 15. The second threaded rod 12 passes through the through hole, and the diameter of the through hole is larger than the diameter of the second threaded rod 12. The inner diameter of the bearing 10 is larger than that of the first threaded rod 8 in diameter, the spring sleeve 15 includes a spring cylinder and a cover, the top of the spring cylinder is fixedly installed with a cover, the cover is cylindrical, the bottom of the piston 14 is fixedly installed with a limit ring, the diameter of the limit ring is the same as the inner diameter of the spring cylinder, the diameter of the piston 14 is the same as the inner diameter of the cover, the inner diameter of the cover is smaller than the inner diameter of the spring cylinder, the outer part of the second threaded rod 12 is sleeved with a first spring 16 located inside the spring sleeve 15 and at the bottom of the piston 14, two fixing plates 17 are fixedly installed at the bottom of the spring sleeve 15, a threaded sleeve 18 sleeved on the outside of the second threaded rod 12 is movably installed between the two fixing plates 17, a threaded hole is opened inside the threaded sleeve 18, the threaded hole is adapted to the second threaded rod 12, the second threaded rod 12 passes through the threaded hole, and the two fixing plates 1 7, two fixed shafts 19 are fixedly installed between the two fixed shafts 19, and the outsides of the two fixed shafts 19 are sleeved with chucks 20. The opposite sides of the two chucks 20 are provided with grooves, which are circular grooves. The chucks 20 are movably connected to the threaded sleeve 18 through a connecting plate 21. The spring sleeve 15 and the connecting plate 21 are made of MC nylon material, which can effectively avoid induced electricity in the line and increase the operating reliability of the electric grounding chuck. The opposite sides of the two chucks 20 are fixedly connected with grounding copper wires 22. A fixed sleeve 23 is fixedly installed on the left side of the spring sleeve 15. A locking pin 24 that penetrates the spring sleeve 15 and extends to the inside of the piston 14 is movably installed inside the fixed sleeve 23. A limiting hole is provided on the left side of the piston 14, and the limiting hole and the locking pin 24 extend to the inside of the limiting hole.The outer sleeve of the lock pin 24 is connected with a second spring 25 located inside the fixed sleeve 23. The left side of the lock pin 24 is movably installed with an eccentric handle 26 located on the left side of the fixed sleeve 23. The bottom of the fixed plate 17 is fixedly installed with a travel switch 27. The electric grounding clamp device is placed by placing the guide tube to be clamped between the two clamps 20. At the same time, the guide tube will touch the travel switch 27. The travel switch 27 transmits the signal to the wireless control module 2 in an existing manner. The wireless control module 2 controls the DC motor 5 to start in an existing manner, thereby driving the coupling 6 to rotate, thereby driving the first threaded rod 8 to rotate, thereby driving the limit plate 11 and the second threaded rod 12 to rotate. Under the action of the threaded hole, the rotation of the second threaded rod 12 can drive 18 to move up and down, thereby driving the connecting plate 21 to move synchronously, thereby driving the two clamps 20 to rotate around the fixed axis 19, so that the bottom ends of the two clamps 20 are close to or away from each other, and the clamping and loosening of the guide tube can be completed. The operation is simple and convenient for users to clamp. , At the same time, a DC motor 5 is used as a power source to drive the threaded clamping structure. When the electric chuck stops working, the original holding force is maintained, and it is not easily blown by the wind. The flow effect of the chuck 20 is maintained, which can effectively avoid poor contact and burning. By rotating the eccentric handle 26, the lock pin 24 can be driven to move to the left, so that the lock pin 24 leaves the inside of the limit hole, so that the piston 14 will lose its restraining force. Under the action of the restoring force of the first spring 16, the piston 14 can be pushed to move upward, thereby driving the housing 1 to move upward, thereby driving the second threaded rod 12 to move upward, thereby driving the spring sleeve 15 to move upward, so that the bottom ends of the two chucks 20 can be moved away from each other, and the guide tube can be loosened, thereby effectively avoiding the situation where the DC motor 5 is out of power or fails and the chuck 20 cannot be opened, which is more convenient for users to use. The wireless control module 2 can detect the load current of the motor in an existing way to determine the position state of the chuck 20, thereby controlling the DC motor 5 to brake in an existing way to achieve the gripping stop of the grounding chuck. ,

[0027] In summary, the electric grounding chuck device places the guide tube to be clamped between the two chucks 20, and at the same time the guide tube touches the travel switch 27, and the travel switch 27 transmits the signal to the wireless control module 2 in an existing manner, and the wireless control module 2 controls the DC motor 5 to start in an existing manner, thereby driving the coupling 6 to rotate, thereby driving the first threaded rod 8 to rotate, thereby driving the limit plate 11 and the second threaded rod 12 to rotate, and under the action of the threaded hole, the rotation of the second threaded rod 12 can drive 18 to move up and down, thereby driving the connecting plate 21 to move synchronously, thereby driving the two chucks 20 to rotate around the fixed axis 19, so that the bottom ends of the two chucks 20 are close to or away from each other, and the guide tube can be clamped and released. The operation is simple and convenient for users to clamp. At the same time, the DC motor 5 is used as the power source to drive the threaded clamping structure, which can maintain the original state when the electric chuck stops working. The eccentric handle 26 is rotated to drive the locking pin 24 to move to the left, so that the locking pin 24 leaves the inner part of the limit hole, so that the piston 14 loses its restraining force. Under the restoring force of the first spring 16, the piston 14 can be pushed to move upward, thereby driving the housing 1 to move upward, thereby driving the second threaded rod 12 to move upward, thereby driving the spring sleeve 15 to move upward, so that the bottom ends of the two clamps 20 can be moved away from each other, and the guide tube can be loosened, thereby effectively avoiding the situation that the DC motor 5 is out of power or fails and the clamp 20 cannot be opened, and it is more convenient for users to use, and solves the problems that the existing all-copper crocodile mouth grounding wire clamp will seriously wear and burn the wire during use, and there will be poor contact due to spring failure, etc., which brings inconvenience to the user and is not convenient for the user to operate the grounding wire.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric grounding clamp device, comprising a housing (1), characterized in that: A wireless control module (2) is fixedly installed inside the housing (1), a battery (3) located on the left side of the wireless control module (2) is fixedly installed inside the housing (1), a motor bracket (4) is fixedly installed inside the housing (1), a DC motor (5) is fixedly installed on the top of the motor bracket (4), a coupling (6) is fixedly installed on the output shaft of the DC motor (5), a bearing seat (7) located inside the motor bracket (4) is fixedly installed inside the housing (1), a first threaded rod (8) penetrating the bearing seat (7) is fixedly installed inside the coupling (6), and the first threaded rod (8) is fixedly installed inside the coupling (6). The outer thread of a threaded rod (8) is connected to a locking nut (9) located at the top of the bearing seat (7); the outer portion of the first threaded rod (8) is sleeved with a bearing (10) located inside the bearing seat (7); the bottom of the first threaded rod (8) is fixedly mounted with a limiting plate (11); the bottom of the housing (1) is fixedly mounted with a piston (14); the interior of the piston (14) is fixedly mounted with a movable sleeve (13); the bottom of the limiting plate (11) is fixedly mounted with a second threaded rod (12) penetrating the movable sleeve (13) and the piston (14); the outer portion of the piston (14) is sleeved with a spring sleeve (15); The second threaded rod (12) is sleeved with a first spring (16) located inside the spring sleeve (15) and at the bottom of the piston (14) on the outside, and two fixing plates (17) are fixedly installed at the bottom of the spring sleeve (15), and a threaded sleeve (18) sleeved with the outside of the second threaded rod (12) is movably installed between the two fixing plates (17), and two fixed shafts (19) are fixedly installed between the two fixing plates (17), and the outsides of the two fixed shafts (19) are sleeved with a chuck (20), and the chuck (20) and the threaded sleeve (18) are connected by a connecting plate (21). The two chucks (20) are movably connected, and the opposite sides thereof are fixedly connected with a grounding copper wire (22); a fixing sleeve (23) is fixedly installed on the left side of the spring sleeve (15); a locking pin (24) penetrating the spring sleeve (15) and extending to the inside of the piston (14) is movably installed inside the fixing sleeve (23); a second spring (25) located inside the fixing sleeve (23) is sleeved on the outside of the locking pin (24); an eccentric handle (26) located on the left side of the fixing sleeve (23) is movably installed on the left side of the locking pin (24); and a travel switch (27) is fixedly installed on the bottom of the fixing plate (17).

2. An electric grounding clamp device according to claim 1, characterized in that: The wireless control module (2) is electrically connected to the battery (3), and the wireless control module (2) is electrically connected to the DC motor (5).

3. The electric grounding clamp device according to claim 1, characterized in that: The number of the bearings (10) is two, and both of the bearings (10) are plane bearings. The top of the upper bearing (10) and the bottom of the lower bearing (10) are in contact with the locking nut (9) and the limiting plate (11) respectively.

4. The electric grounding clamp device according to claim 1, characterized in that: The piston (14) and the spring sleeve (15) are both provided with through holes inside, the second threaded rod (12) passes through the through holes, the diameter of the through holes is larger than the diameter of the second threaded rod (12), and the inner diameter of the bearing (10) is larger than the diameter of the first threaded rod (8).

5. The electric grounding clamp device according to claim 1, characterized in that: The spring sleeve (15) comprises a spring tube and a sealing cover, wherein the sealing cover is fixedly mounted on the top of the spring tube and is in a cylindrical shape.

6. An electric grounding clamp device according to claim 5, characterized in that: A limiting ring is fixedly mounted on the bottom of the piston (14), the diameter of the limiting ring is the same as the inner diameter of the spring tube, the diameter of the piston (14) is the same as the inner diameter of the cover, and the inner diameter of the cover is smaller than the inner diameter of the spring tube.

7. The electric grounding clamp device according to claim 1, characterized in that: A threaded hole is provided inside the threaded sleeve (18), the threaded hole is matched with the second threaded rod (12), and the second threaded rod (12) passes through the threaded hole.

8. The electric grounding clamp device according to claim 1, characterized in that: The two clamps (20) are each provided with a groove on one side opposite to the other, and the groove is a circular groove.

9. The electric grounding clamp device according to claim 1, characterized in that: A limiting hole is provided on the left side of the piston (14), and the limiting hole and a locking pin (24) are connected, and the locking pin (24) extends into the interior of the limiting hole.

Images