CN217956150U - Quick access device of low pressure generator car - Google Patents

Abstract

The utility model discloses a solve among the prior art fixed unable adjustment of access device's specification, the female row that corresponds different specifications need use different access device to cause inconvenient problem, provides a low pressure generator car quick access device, including grasping mechanism and operating device, grasping mechanism includes branch, and branch is including screwing up portion and spiral part, and the surface of spiral part is provided with the screw thread, and branch passes through the screw thread to be connected with the slider, and the slider passes through the fastener to be connected with the clamping piece, and the clamping piece can be rotatory round the fastener, still including enclosing at slider casing all around, it can restrict casing downstream to screw up the portion. The utility model can adapt to the bus bars with different specifications, and has strong universality; can guarantee the safe distance between operating personnel and the female row through operating device, can operate perpendicularly moreover, guarantee that interim circular telegram operation can not lead to the fact the injury to female arranging.

Description

Quick access device of low pressure power-generating car

Technical Field

The utility model relates to an electrical connection device field, concretely relates to quick access device of generator car.

Background

At present, the measure for temporary power failure of a low-voltage distribution area is to connect another power supply to the low-voltage comprehensive distribution box of the area from the outside to replace an original power supply output loop so as to temporarily guarantee power supply. Inside containing of block terminal is synthesized to low pressure is female arranging, the switch, the measurement, reactive compensation, equipment such as intelligent terminal, need connect the parallelly connected crimping of cable cold pressing connector on the female arranging of block terminal inside at power cable access in-process, because the block terminal does not consider when the design preparation to insert interim power cable, copper bar mounted position is not reserved, inside operating space is less simultaneously, cause short-circuit fault easily after the cable access, there is the problem of power "access difficulty", "the dismouting is slow", "hidden danger is high" in the actual work.

The current access device can realize quick access to the power generation vehicle, but generally the bus bar with certain specification can be adapted only by using the access device with corresponding specification, and the actual use is not convenient enough.

For example, the publication of "a quick connecting device for a generator car access box and a generator car with the same" in chinese patent document is CN210326169U, which includes a mounting plate, a fixed block, a movable pressing block, a cable and an elastic member; the fixed block is fixed on the mounting plate through a connecting piece, one end of the elastic piece is fixed on the mounting plate, the other end of the elastic piece is connected with the movable pressing block, and the movable pressing block and the elastic piece are positioned between the mounting block and the fixed block; the movable pressing block is pressed against and contacted with the fixed block under the action of the elastic force of the elastic piece; one end and the generator car of cable insert case electric connection, the other end fix on the mounting panel and with fixed block electric connection. Although can realize inserting the block terminal with the generator car is quick, nevertheless to the female access device that needs use different specifications of arranging of different specifications, it is still inconvenient enough to use.

Disclosure of Invention

In order to solve the problems that specifications of an access device in the prior art are fixed and cannot be adjusted, and different access devices are required to be used corresponding to busbars with different specifications to cause inconvenience, a quick access device of a low-voltage generator car is provided, and comprises a clamping mechanism, wherein the clamping mechanism comprises a supporting rod, the supporting rod comprises a tightening part and a spiral part, the outer surface of the spiral part is provided with threads, the supporting rod is connected with a sliding part through the threads, the sliding part can move back and forth along the axial direction of the supporting rod, the sliding part is connected with a clamping part through a fastening part, the clamping part can rotate around the fastening part, a clamping spring is arranged on the sliding block and connected with the clamping part, and the clamping spring is used for propping open the clamping part so as to keep the clamping part in an open state; the shell is connected with the sliding piece through a sliding block spring, the sliding block spring is used for applying acting force parallel to the axial direction of the supporting rod to the sliding piece, and the tightening part can limit the downward movement of the shell; the other end that screw portion and screw up the portion and be connected is provided with and compresses tightly the piece. The clamping piece contacts with the edge of the inner surface of the shell all the time, and when the sliding piece drives the clamping piece and the shell to move up and down relatively, the included angle of the clamping piece can be correspondingly adjusted under the limitation of the shell. When the clamping device is used, the screwing part is rotated clockwise, the spiral part can drive the sliding part to move downwards, the sliding part moves downwards relative to the shell, the included angle of the clamping part is reduced, the clamping part is folded to clamp a busbar, and meanwhile, the pressing part moves upwards to jack the busbar to finish the clamping action. Through the cooperation of spiral portion and clamping piece, can satisfy the female arranging of low-voltage cabinet different specifications with a device.

Preferably, the fastener is a pin or a sleeve.

Preferably, the gripping mechanism further comprises an insulating cover surrounding the outer surface of the gripping mechanism. The insulating cover can ensure the insulation between phases.

Preferably, the cross-sectional shape of the tightening part is polygonal. The tightening part is polygonal, which is more favorable for force generation than a circular tightening part. The cross-sectional shape of the tightening part may be triangular, quadrangular, pentagonal, hexagonal, or the like.

Preferably, the operating mechanism comprises an inner fixing piece, the inner fixing piece is matched with the shape of the tightening part, and the outer surface of the tightening part can be attached to the inner surface of the inner fixing piece; the outer surface of one end of the operating mechanism connected with the grasping mechanism is fixedly provided with a fixed sleeve, and the fixed sleeve is used for fixedly connecting the grasping mechanism with the operating mechanism. Through operating device, operating personnel can keep suitable distance with female arranging, improves the security.

Preferably, the operating mechanism further comprises an inner pipe and an outer pipe, the inner pipe is fixedly connected with the inner fixing piece, the outer pipe is fixedly connected with the fixing sleeve, and the inner pipe is wrapped in the outer pipe.

Preferably, the other end of the operating mechanism connected with the grasping mechanism is also provided with an insulating handle, and the insulating handle is fixedly connected with the inner tube.

Preferably, the operating mechanism further comprises a rain shield fixed to the outer surface of the outer pipe and extending radially outward of the outer pipe.

Has the advantages that: 1. the bus bar connector can adapt to bus bars with different specifications and has strong universality;

2. can guarantee the safe distance between operating personnel and the female row through operating device, can operate perpendicularly moreover, guarantee that interim circular telegram operation can not lead to the fact the injury to female arranging.

Drawings

Fig. 1 is a schematic structural view of a gripping mechanism of a quick access device of a low-voltage generator car according to the present invention;

fig. 2 is a schematic structural diagram of an operating mechanism of the quick access device for the low-voltage generator car according to the present invention;

in the drawings, 1. A housing; 11. a slider spring; 2. a clamping member; 3. a strut; 31. a compression member; 32. a spiral portion; 33. a tightening part; 41. a fastener; 42. a clamping spring; 4. a slider; 5. fixing a sleeve; 6. an inner tube; 7. an inner fixing member; 8. a rain cover; 9. an outer tube; 10. an insulated handle.

Detailed Description

The quick access device for the low-voltage generator car comprises a clamping mechanism, wherein the clamping mechanism comprises a support rod 3, the support rod 3 comprises a tightening part 33 and a spiral part 32, and the cross section of the tightening part is polygonal. The tightening part is polygonal, which is more favorable for force generation than a circular tightening part. The cross section of the tightening part can be triangular, quadrangular, pentagonal, hexagonal and the like; the outer surface of the spiral part 32 is provided with threads, the support rod 3 is connected with the sliding part 4 through the threads, the sliding part 4 can move back and forth along the axial direction of the support rod 3, the sliding part 4 is connected with the clamping part 2 through a fastening part 41, the clamping part 2 can rotate around the fastening part 41, a clamping spring 42 is arranged on the sliding part and connected with the clamping part 2, and the clamping spring 42 is used for spreading the clamping part 2 so as to keep the clamping part 2 in an opened state; the fastening member 41 is used to fix the positions of the clamping member 2 and the sliding member 4, but the clamping member 2 can rotate within a certain angle range around the fastening member 41, in this embodiment, the fastening member 41 is a pin.

The grasping mechanism further comprises a shell 1 surrounding the periphery of the sliding part 4, the shell 1 is connected with the sliding part 4 through a sliding block spring 11, the sliding block spring 11 is used for applying acting force parallel to the axial direction of the supporting rod 3 to the sliding part 4, the tightening part can limit the downward movement of the shell 1, and the sliding block spring 11 at the gap between the lower end of the sliding part and the shell applies elastic force to the sliding part to ensure that the sliding part does not shake. The other end of the screw portion connected to the tightening portion 33 is provided with a pressing piece 31. The clamping piece 2 is always in contact with the edge of the inner surface of the shell 1, and when the sliding piece 4 drives the clamping piece 2 to move up and down relative to the shell 1, the included angle of the clamping piece 2 can be correspondingly adjusted under the limitation of the shell 1. When the clamping device is used, the screwing part is rotated clockwise, the spiral part drives the sliding part 4 to move downwards, the sliding part 4 moves downwards relative to the shell 1, the included angle of the clamping part 2 is reduced, the clamping busbar is folded, and meanwhile, the pressing part 31 moves upwards to abut against the busbar to finish the clamping action. Through the cooperation of spiral portion and clamping piece 2, can satisfy the female arranging of low-voltage cabinet different specifications with a device.

The gripping mechanism further includes an insulating cover that surrounds the outer surface of the gripping mechanism. The insulating cover can ensure the insulation between phases.

The quick access device of the low-voltage generator car further comprises an operating mechanism, the operating mechanism comprises an inner fixing piece 7, the inner fixing piece 7 is matched with the tightening part in shape, and the outer surface of the tightening part can be attached to the inner surface of the inner fixing piece 7; the outer surface of one end of the operating mechanism connected with the grasping mechanism is fixedly provided with a fixed sleeve 5, and the fixed sleeve 5 is used for fixedly connecting the grasping mechanism with the operating mechanism. Through operating device, operating personnel can keep suitable distance with female arranging, improves the security.

The operating mechanism further comprises an inner pipe 6 and an outer pipe 9, the inner pipe 6 is fixedly connected with the inner fixing piece 7, the outer pipe 9 is fixedly connected with the fixing sleeve 5, and the inner pipe 6 is wrapped in the outer pipe 9.

The other end of the operating mechanism connected with the grasping mechanism is also provided with an insulating handle 10, and the insulating handle 10 is fixedly connected with the inner tube 6.

The operating mechanism further comprises a rain cover 8, and the rain cover 8 is fixed on the outer surface of the outer pipe 9 and extends outwards along the radial direction of the outer pipe 9.

The working principle is as follows: the tightening part is rotated to enable the spiral part to rotate clockwise to drive the sliding part to move downwards, the clamping part is contacted with the limit point on the edge of the inner surface of the shell at any time, the clamping part is closed through a limit point lever principle, the clamping part can tightly clamp the busbar, and meanwhile, the pressing part props against the busbar to complete the clamping operation.

The rotating screw rod rotates anticlockwise, the sliding piece is driven to move upwards under the action of the sliding block spring, and the clamping portion is loosened under the elastic force of the clamping spring. And simultaneously, the top plate moves downwards to finish the loosening operation of the device.

The tightening part on the grasping mechanism is sleeved into the operating mechanism, the hexagonal tightening part is inserted into the same hexagonal inner fixing piece, and the two pins at the bottom end of the device are clamped into the fixing sleeve, so that the connection between the grasping mechanism and the operating mechanism is completed. The outer tube is used for shaking hands and fixing, and the inner tube is used for rotating the rotating screw rod. During operation, the outer pipe is fixed on one hand, the insulating handle is rotated on the other hand, the rotating screw rod is driven to rotate, so that the operation is guaranteed not to shake, and the stability is enhanced. And clockwise rotation drives the device claw to fold until the busbar is clamped. The opposite is true counterclockwise.

The same device can solve the problem that different width busbar specifications of the low-voltage cabinet are met, and the defect that different width devices are designed according to different busbar widths is avoided. The universality is strong. The device can be operated by matching with a detachable operating mechanism, so that an operator can keep a proper distance with the busbar, and only one operating rod is needed by one device, thereby conforming to the safety operating regulations and meeting the safety regulations. The holding force between the chuck and the busbar is ensured by the operation perpendicular to the busbar, so that the contact surface meets the requirement of the current through-flow section. The special locking device can ensure the safety. The device is convenient to disassemble and operate, and the labor efficiency is greatly improved. The vertical operation and the design of fixing two points and one plane of the busbar ensure that the busbar cannot be damaged by bending and the like due to the temporary power-on operation. The operating mechanism adopts the design of an inner pipe and an outer pipe, the inner pipe is used for rotating the screw, the outer pipe is used for fixing the device, the device is fixed by one hand, the screw is rotated by one hand, the device cannot shake during operation, and the operation safety is improved. Compared with the single-tube operating rod plug-in operation, the locking device has strong stability, the locking force can be manually controlled, and the locking degree can be sensed.

Claims (8)

1. A low-voltage generator car quick access device is characterized by comprising a grasping mechanism, wherein the grasping mechanism comprises a supporting rod, the supporting rod comprises a tightening part and a spiral part, the outer surface of the spiral part is provided with threads, the supporting rod is connected with a sliding part through the threads, the sliding part can move back and forth along the axial direction of the supporting rod, the sliding part is connected with a clamping part through a fastening part, the clamping part can rotate around the fastening part, a clamping spring is arranged on the sliding part and connected with the clamping part, and the clamping spring is used for spreading the clamping part so as to keep the clamping part in a spread state; the shell is connected with the sliding piece through a sliding block spring, the sliding block spring is used for applying acting force parallel to the axial direction of the supporting rod to the sliding piece, and the tightening part can limit the downward movement of the shell; the other end that screw portion and screw up the portion and be connected is provided with and compresses tightly the piece.

2. A low voltage generator car quick connect as claimed in claim 1, wherein said fasteners are pins or sleeves.

3. A low voltage generator car quick access device as claimed in claim 1 or claim 2, further comprising an insulating cover surrounding an outer surface of said gripping mechanism.

4. A low voltage generator car quick connect apparatus as claimed in claim 3, wherein said tightening portion is polygonal in cross-sectional shape.

5. A low-voltage generator car quick access device according to claim 1, further comprising an operating mechanism, wherein the operating mechanism comprises an inner fixing member, the inner fixing member is matched with the shape of the tightening part, and the outer surface of the tightening part can be attached to the inner surface of the inner fixing member; the outer surface of one end of the operating mechanism connected with the grasping mechanism is fixedly provided with a fixed sleeve, and the fixed sleeve is used for fixedly connecting the grasping mechanism with the operating mechanism.

6. A low-voltage generator car quick connecting device as claimed in claim 5, wherein said operating mechanism further comprises an inner tube and an outer tube, said inner tube is fixedly connected with an inner fixing member, said outer tube is fixedly connected with a fixing sleeve, and said inner tube is wrapped in said outer tube.

7. A low-voltage generator car quick access device as claimed in claim 6, wherein the other end of the operating mechanism connected with the grasping mechanism is further provided with an insulating handle, and the insulating handle is fixedly connected with the inner pipe.

8. A low pressure generator car quick connect device of claim 5, wherein the operating mechanism further includes a rain shield that is secured to the outer surface of the outer tube and extends radially outward of the outer tube.

Images