CN217370233U

CN217370233U - Safety insulating steel core cable shearing device

Info

Publication number: CN217370233U
Application number: CN202220489986.3U
Authority: CN
Inventors: 张建城; 胡伟静
Original assignee: Guangdong Hengdian Power Equipment Co ltd
Current assignee: Guangdong Hengdian Power Equipment Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-09-06
Anticipated expiration: 2032-03-08

Abstract

The utility model discloses a safety insulating steel core cable shearing device, which comprises a scissor component, a connecting rod component, a telescopic rod for pushing the connecting rod component, a telescopic rod cylinder body for installing the telescopic rod, a positioning piece, an insulating pipe and a liquid passing rod; the upper end of the telescopic rod is provided with a Z-shaped connector, and the lower end of the telescopic rod is fixed with a piston; the middle part of the telescopic rod is also provided with a spring blocking cover; a return spring is arranged between the piston and the spring blocking cover; the scissors assembly is hinged with the positioning plate through a pin shaft, the outer side of the scissors assembly is hinged with one end of the connecting rod assembly, and the other end of the connecting rod assembly is hinged with the connecting head; the telescopic rod pushes the connecting rod assembly upwards to force the scissors assembly to be occluded; by adopting the lever principle, the hydraulic cylinder which needs to be matched with practicality is smaller, so that the carrying is more convenient and the operation is simple.

Description

Safety insulating steel core cable shearing device

Technical Field

The utility model belongs to the technical field of the cable shearing equipment and specifically relates to an insulating steel core cable shearing mechanism of security.

Background

With the use of the cable wire, the steel core cable needs to be cut when the cable is installed and replaced; however, the existing labor-saving steel core cable shearing device is relatively complex in structure and troublesome to operate; the manual forced shearing equipment is simple in structure but is relatively laborious, and particularly, a steel core of the cable is relatively thick, so that the shearing force is larger.

Therefore, improvements and developments in the prior art are yet to be made.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an insulating steel core cable shearing mechanism of security aims at solving current cable core shearing equipment troublesome poeration, need consume great strength, leads to operating more arduous technical problem.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: a safety insulating steel core cable shearing device comprises a scissor assembly, a connecting rod assembly, a telescopic rod cylinder, a positioning piece, an insulating pipe and a liquid passing rod, wherein the scissor assembly is used for shearing a cable; the upper end of the telescopic rod is provided with a Z-shaped connector, and the lower end of the telescopic rod is fixed with a piston; the middle part of the telescopic rod is also provided with a spring blocking cover; a return spring is arranged between the piston and the spring blocking cover; the scissors assembly is hinged with the positioning plate through a pin shaft, the outer side of the scissors assembly is hinged with one end of the connecting rod assembly, and the other end of the connecting rod assembly is hinged with the connecting head; the telescopic rod pushes the connecting rod assembly upwards to force the scissors assembly to be occluded; the positioning piece presses the spring stop cover to be arranged at the upper end of the telescopic rod cylinder body and is fixedly connected with the telescopic rod cylinder body; the telescopic rod cylinder body is fixedly connected with the upper end of the insulating pipe; the liquid passing rod is arranged in the insulating tube and is communicated with the telescopic rod cylinder body.

In another embodiment, the scissors assembly comprises a first scissors and a second scissors, the first scissors and the second scissors are provided with mounting ears hinged with the fixed plate, and the mounting ears are positioned on one side of the cutting edges of the first scissors and the second scissors; the lower ends of the outer sides of the first scissors and the second scissors are provided with connecting lugs connected with the connecting head.

In another embodiment, the linkage assembly includes a left link and a right link; the upper end of the left connecting rod is hinged with a connecting lug of the first scissors through a pin shaft, and the lower end of the left connecting rod is hinged with one side of the connecting head; the upper end of the right connecting rod is hinged with a connecting lug of the second scissors through a pin shaft, and the lower end of the right connecting rod is hinged with the other side of the connecting head.

In another embodiment, the left connecting rod and the right connecting rod are respectively provided with 2 connecting rods, the lower ends of the two left connecting rods clamp the front surface and the back surface of one side of the connecting head, and the lower ends of the two right connecting rods clamp the front surface and the back surface of the other side of the connecting head.

In another embodiment, the upper end of the telescopic rod is also provided with a sealing gasket for sealing.

In another embodiment, the piston is provided with a sealing ring for sealing a gap between the piston and the telescopic rod cylinder.

In another embodiment, a cavity is arranged in the telescopic rod cylinder body, the telescopic rod and the return spring are installed in the cavity, the spring blocking cover is pressed and fixed at an upper port of the cavity by a positioning piece, and the telescopic rod can slide up and down relative to the spring blocking cover; the lower end of the telescopic rod cylinder body is inserted into the upper end of the insulating tube to be fixed, and a first channel used for communicating the liquid passing rod is arranged.

In another embodiment, the liquid passing rod is provided with a second channel, the upper end of the liquid passing rod is connected with the lower end of the telescopic rod cylinder body, and the second channel is communicated with the first channel; the lower end of the liquid passing rod is fixed at the lower end of the insulating tube through the rod body positioning piece.

In another embodiment, the portable hanging belt is further included, and the hanging belt is installed on the insulating pipe through the hanging belt installation seat structure.

In another embodiment, the hanging strip mounting seat structure comprises a mounting seat, a buckle piece and a snap ring, the mounting seat is provided with a clamping groove for mounting the buckle piece, the buckle piece is mounted in the clamping groove and fixed through the snap ring, and the hanging strip is connected with the buckle piece through a hook.

Has the beneficial effects that: the utility model is connected with the hydraulic cylinder through the liquid passing rod, so when the cable is required to be cut, the hydraulic cylinder is used for filling liquid through the liquid passing rod, the piston of the telescopic rod is pushed, the telescopic rod is enabled to move upwards, and the connecting rod component is pushed to be outwards spread, so that the scissor component is pushed to be clamped towards the middle, and the cable is cut; after the shearing is finished, the liquid injection is stopped, the piston pushes the piston to move downwards under the action of the reset spring, and then the telescopic rod is driven to move downwards, so that the connecting rod is pulled, and further the scissor assembly is opened. In addition, the utility model can prevent the operator from being shocked by electricity through the insulating tube, thereby improving the safety of the operation; in addition, as hydraulic pressure is adopted as shearing power, the labor is less, and the multi-person cooperation operation is not needed; and because simple structure, and the scissors subassembly passes through link assembly and connects, adopt lever principle, the pneumatic cylinder that needs to cooperate the practicality is littleer, so carry also more convenient, easy operation.

Drawings

Fig. 1 is a first axial view of the present invention.

Fig. 2 is an isometric view of the present invention in a second orientation.

Fig. 3 is a perspective view of the present invention without the positioning plate.

Fig. 4 is a cross-sectional view of the present invention.

Fig. 5 is a partial sectional view of the present invention.

In the figure: 1. a scissor assembly; 2. a connecting rod assembly; 3. a telescopic rod; 4. a telescopic rod cylinder body; 5. a positioning member; 6. an insulating tube; 7. a liquid passing rod; 30. a connector; 31. a piston; 8. a return spring; 9. positioning a plate; 10. a spring stop cover; 11. a first scissors; 12. a second scissor; 13. mounting lugs; 14. connecting lugs; 20. a left connecting rod; 21. a right connecting rod; 22. a rod body positioning piece; 15. a gasket; 16. a seal ring; 32. a cavity; 33. a first channel; 70. a second channel; 17. hanging a belt; 18. a hanging belt mounting seat structure; 180. a mounting base; 181. buckling pieces; 182. a snap ring; 19. a clamping groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples.

As shown in fig. 1-5, the utility model discloses a safety insulating steel core cable shearing device, which comprises a scissor component 1 for shearing the cable, a connecting rod component 2 for controlling the scissor component 1 to clamp or loosen, a telescopic rod 3 for pushing the connecting rod component 2, a telescopic rod cylinder body for installing the telescopic rod 3, a positioning piece 5, an insulating tube 6 and a liquid through rod 7; the upper end of the telescopic rod 3 is provided with a Z-shaped connector 30, and the lower end of the telescopic rod 3 is fixed with a piston 31; the middle part of the telescopic rod 3 is also provided with a spring blocking cover 10; a return spring 8 is arranged between the piston 31 and the spring blocking cover 10; the scissors assembly 1 is hinged with the positioning plate 9 through a pin shaft, the outer side of the scissors assembly 1 is hinged with one end of the connecting rod assembly 2, and the other end of the connecting rod assembly 2 is hinged with the connecting head 30; the telescopic rod 3 pushes the connecting rod assembly 2 upwards to force the scissors assembly 1 to be occluded; the positioning piece 5 presses the spring baffle cover 10 on the upper end of the telescopic rod cylinder body 4 and is fixedly connected with the telescopic rod cylinder body 4; the telescopic rod cylinder body 4 is fixedly connected with the upper end of the insulating tube 6; the liquid passing rod 7 is arranged in the insulating tube 6 and is communicated with the telescopic rod cylinder body 4.

After the structure is adopted, the utility model injects liquid into the telescopic rod cylinder body 4 through the liquid through rod 7, and the hydraulic pressure pushes the piston 31 to move upwards, so as to push the telescopic rod 3 to move upwards; then the connecting rod assembly 2 is pushed by the telescopic rod 3, and the connecting rod assembly 2 pushes the scissors assembly 1 to be occluded, so that the cables are cut; therefore, the whole structure of the utility model is more urgent and simpler; the hydraulic pressure is used as power for operation, so that manual force is not needed, and labor is saved; the operation is also simpler simultaneously, only need will lead to liquid pole 7 and be connected with the pneumatic cylinder, then start the pneumatic cylinder and annotate the liquid, just can realize cuting. After the scissors are cut, the piston 31 compresses the return spring 8 upwards, so that after the liquid injection is stopped, the upper end of the return spring 8 is propped against the spring blocking cover 10, the other end of the return spring pushes the piston 31 to move downwards under the acting force of the return spring 8, the reset is realized, and the scissors assembly 1 is loosened.

Preferably, the scissors assembly 1 comprises a first pair of scissors 11 and a second pair of scissors 12, the first pair of scissors 11 and the second pair of scissors 12 are provided with mounting ears 13 hinged with the fixing plate, and the mounting ears 13 are located on the sides of the cutting edges of the first pair of scissors 11 and the second pair of scissors 12; the lower ends of the outer sides of the first scissors 11 and the second scissors 12 are provided with connecting lugs 14 connected with a connecting head 30; because the mounting lug 13 is positioned on one side of the cutting edge, when the connecting rod component 2 pushes the connecting lug 14, the first scissors 11 and the second scissors 12 can be mutually meshed to realize shearing, and the lever principle is adopted, so that the required power is smaller, the power and the volume of a hydraulic cylinder which needs to be matched and used are small, and the carrying is convenient.

Preferably, the connecting rod assembly 2 comprises a left connecting rod 20 and a right connecting rod 21; the upper end of the left connecting rod 20 is hinged with the connecting lug 14 of the first scissors 11 through a pin shaft, and the lower end of the left connecting rod 20 is hinged with one side of the connecting head 30; the upper end of the right connecting rod 21 is hinged with the connecting lug 14 of the second scissors 12 through a pin shaft, and the lower end of the right connecting rod 21 is hinged with the other side of the connecting head 30.

Through left connecting rod 20 and right connecting rod 21 articulated with the both sides of connector 30 respectively, so the rise of telescopic link 3 can promote left connecting rod 20 and right connecting rod 21 outwards to strut, and left connecting rod 20 and right connecting rod 21 are with first scissors 11 and second scissors 12 to middle interlock to the realization is cuted, so is more laborsaving.

Preferably, left connecting rod 20 and right connecting rod 21 respectively have 2, and the front and the back of connector 30 one side are cliied to the lower extreme of two left connecting rods 20, and the front and the back of connector 30 opposite side are cliied to the lower extreme of two right connecting rods 21, through cliping the installation with the back nipping, can ensure that when scissors subassembly 1 sheared, the atress is even, and the incision is more neat.

Preferably, a gasket 15 for sealing is further installed at the upper end of the telescopic rod 3, so that the fluid of the hydraulic cylinder can be prevented from leaking out.

Preferably, the piston 31 is fitted with a sealing ring 16 which seals the gap between the piston 31 and the telescopic rod cylinder 4, so that the piston 31 can be sealed with the telescopic rod cylinder 4 to hydraulically push the piston 31.

Preferably, a cavity 32 is arranged in the telescopic rod cylinder body 4, the telescopic rod 3 and the return spring 8 are installed in the cavity 32, the spring blocking cover 10 is pressed and fixed at an upper port of the cavity 32 by the positioning piece 5, and the telescopic rod 3 can slide up and down relative to the spring blocking cover 10; the lower end of the telescopic rod cylinder body 4 is inserted into the upper end of the insulating tube 6 to be fixed, and a first channel 33 for communicating the liquid communicating rod 7 is arranged; the return spring 8 can be clamped through the spring blocking cover 10, and the telescopic rod 3 can continue to move upwards to push the scissor assembly 1 to cut; after stopping annotating the liquid, reset spring 8's effort can promote piston 31 and reset downwards, and then drive telescopic link 3 and stimulate link assembly 2 downwards, pull scissors subassembly 1 open.

Preferably, the second channel 70 of the liquid passing rod 7 is provided with a second channel 70, the upper end of the liquid passing rod 7 is connected with the lower end of the telescopic rod cylinder 4, and the second channel 70 is communicated with the first channel 33; the lower end of the liquid passing rod 7 is fixed at the lower end of the insulating tube 6 through a rod body positioning piece 22.

After adopting above-mentioned structure, through first passageway 33 and second passageway 70 intercommunication, so the pneumatic cylinder can realize filling liquid to telescopic link cylinder body 4 through liquid pole 7 to realize hydraulic pressure promotion telescopic link 3.

Preferably, the device further comprises a hanging belt 17 which is convenient to carry, and the hanging belt 17 is arranged on the insulating pipe 6 through a hanging belt mounting seat structure 18.

Preferably, the hanging belt mounting seat structure 18 comprises a mounting seat 180, a buckle piece 181 and a snap ring 182, the mounting seat 180 is provided with a clamping groove 19 for mounting the buckle piece 181, the buckle piece 181 is mounted in the clamping groove 19 and fixed through the snap ring 182, and the hanging belt 17 is connected with the buckle piece 181 through a hook.

The utility model is connected with the hydraulic cylinder through the liquid passing pipe, so when the cable is required to be cut, the hydraulic cylinder is connected with the liquid passing rod 7 for injecting liquid, the piston 31 of the telescopic rod 3 is pushed, the telescopic rod 3 is moved upwards, and the connecting rod component 2 is pushed to be spread outwards, so that the scissor component 1 is pushed to be clamped towards the middle, and the cable is cut; after the shearing is finished, the liquid injection is stopped, the piston 31 pushes the piston 31 to move downwards under the action of the reset spring 8, and then the telescopic rod 3 is driven to move downwards, so that the connecting rod is pulled, and the scissor assembly 1 is opened. In addition, the utility model can prevent the operator from being shocked by electricity through the insulating tube 6, thereby improving the safety of the operation; in addition, as hydraulic pressure is adopted as shearing power, the labor is less, and the multi-person cooperation operation is not needed; and because simple structure, and scissors subassembly 1 passes through link assembly 2 to be connected, adopts lever principle, and the pneumatic cylinder that needs to cooperate the practicality is littleer, so carry also more convenient, easy operation.

The above is a preferred embodiment of the present invention, and certainly not to limit the scope of the present invention, it should be noted that, for those skilled in the art, modifications or equivalent substitutions of the technical solutions of the present invention without creative efforts may not depart from the protection scope of the technical solutions of the present invention.

Claims

1. A safety insulating steel core cable shearing device comprises a scissor assembly, a connecting rod assembly, a telescopic rod cylinder body, a positioning piece, an insulating pipe and a liquid passing rod, wherein the scissor assembly is used for shearing a cable; the method is characterized in that: the upper end of the telescopic rod is provided with a Z-shaped connector, and the lower end of the telescopic rod is fixed with a piston; the middle part of the telescopic rod is also provided with a spring blocking cover; a return spring is arranged between the piston and the spring blocking cover; the scissors assembly is hinged with the positioning plate through a pin shaft, the outer side of the scissors assembly is hinged with one end of the connecting rod assembly, and the other end of the connecting rod assembly is hinged with the connecting head; the telescopic rod pushes the connecting rod assembly upwards to force the scissors assembly to be occluded; the positioning piece presses the spring stop cover to be arranged at the upper end of the telescopic rod cylinder body and is fixedly connected with the telescopic rod cylinder body; the telescopic rod cylinder body is fixedly connected with the upper end of the insulating pipe; the liquid passing rod is arranged in the insulating tube and is communicated with the telescopic rod cylinder body.

2. The safety insulated steel-cored cable cutting apparatus according to claim 1, wherein the scissor assembly comprises a first scissor and a second scissor, the first scissor and the second scissor being provided with a mounting ear hinged to the fixing plate, and the mounting ear being located at a side of a blade of the first scissor and the second scissor; the lower ends of the outer sides of the first scissors and the second scissors are provided with connecting lugs connected with the connecting head.

3. The safety insulated steel-cored cable shearing device according to claim 2, wherein the linkage assembly comprises a left linkage and a right linkage; the upper end of the left connecting rod is hinged with a connecting lug of the first scissors through a pin shaft, and the lower end of the left connecting rod is hinged with one side of the connecting head; the upper end of the right connecting rod is hinged with the connecting lug of the second scissors through a pin shaft, and the lower end of the right connecting rod is hinged with the other side of the connector.

4. The safety apparatus for shearing an insulated steel-cored cable as recited in claim 3, wherein the left and right links each have 2 pieces, the lower ends of the two left links clamping the front and rear surfaces of one side of the connector, and the lower ends of the two right links clamping the front and rear surfaces of the other side of the connector.

5. The safety insulated steel-cored cable cutting apparatus according to claim 1, wherein a sealing gasket for sealing is further installed at the upper end of the telescopic rod.

6. The safety insulated steel core cable shearing device as recited in claim 1, wherein said piston is installed with a sealing ring for sealing a gap between the piston and the cylinder of the telescopic rod.

7. The safety insulating steel core cable shearing device as recited in claim 1, wherein a cavity is formed in the telescopic rod cylinder, the telescopic rod and the return spring are installed in the cavity, the spring stopper is pressed and fixed to an upper port of the cavity by a positioning member, and the telescopic rod can slide up and down relative to the spring stopper; the lower end of the telescopic rod cylinder body is inserted into the upper end of the insulating tube to be fixed, and a first channel used for communicating the liquid passing rod is arranged.

8. The safety insulated steel-cored cable shearing device as recited in claim 7, wherein the liquid passing rod is provided with a second channel, the upper end of the liquid passing rod is connected with the lower end of the telescopic rod cylinder, and the second channel is communicated with the first channel; the lower end of the liquid passing rod is fixed at the lower end of the insulating tube through the rod body positioning piece.

9. The safety insulated steel-cored cable cutting apparatus according to claim 1, further comprising a conveniently portable hanging strap, wherein the hanging strap is mounted to the insulated pipe by a hanging strap mount structure.

10. The safety insulated steel core cable shearing device according to claim 9, wherein the hanging strip mounting seat structure comprises a mounting seat, a buckle piece and a snap ring, the mounting seat is provided with a clamping groove for mounting the buckle piece, the buckle piece is mounted in the clamping groove and fixed through the snap ring, and the hanging strip is connected with the buckle piece through a hook.