CN114243626A

CN114243626A - Cable dismounting joint

Info

Publication number: CN114243626A
Application number: CN202111591008.6A
Authority: CN
Inventors: 卢家红
Original assignee: Individual
Current assignee: State Grid Heilongjiang Electric Power Co Ltd Electric Power Research Institute; State Grid Corp of China SGCC
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-03-25
Anticipated expiration: 2041-12-23
Also published as: CN114243626B

Abstract

The invention belongs to the field of cable connection, and relates to a cable dismounting joint which comprises a shell, wherein a first connecting seat is fixedly arranged on the left side of the shell, a first circular groove is formed in the first connecting seat, a rotating seat is rotatably arranged on the right side of the shell and rotates around a central shaft of the shell, a second connecting seat is fixedly arranged on the outer side of the rotating seat, a second circular groove is formed in the second connecting seat, and a first through hole is formed in the left side of the shell. According to the invention, the cable can be firmly fixed on the connector through the nut and the clamping plate, meanwhile, the cable can be quickly installed through the clamping groove and the clamping block, and meanwhile, the connector can be quickly disassembled through the telescopic pin, so that the cable can be more conveniently and quickly disassembled, the disassembling and assembling efficiency is improved, meanwhile, the connector can be rotated by a certain angle, the cable can be turned, and in addition, the connector can be quickly cooled through the heat dissipation device.

Description

Cable dismounting joint

Technical Field

The invention belongs to the field of cable connection, and particularly relates to a cable dismounting joint.

Background

As is known, a cable is an electrical energy or signal transmission device, generally a rope-like cable made up of several or groups of conductors (at least two in each group), each group being insulated from each other and usually twisted around a center, the whole being covered with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation.

The prior cable joint can refer to chinese patent application No. 202011166662.8, which discloses that the cable joint assembly realizes the problem that the cable at the cable joint is easily broken, but has some disadvantages,

1. the joint cannot be quickly disassembled and assembled, and the installation process is complex;

2. the joint can only realize direct connection, and cannot realize bending connection of cables;

3. the cable joint is easy to generate heat in the working process, the time process is easy to influence the transmission efficiency, and meanwhile, danger is easy to occur.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a cable dismounting joint which can realize quick dismounting and bending of a cable and can realize quick cooling of an interface.

The purpose of the invention can be realized by the following technical scheme: a cable dismounting joint comprises a shell, wherein a first connecting seat is fixedly arranged at the left side of the shell, a first circular groove is arranged in the first connecting seat, a rotary seat is rotatably arranged on the right side of the shell and rotates around the central shaft of the shell, a second connecting seat is fixedly arranged on the outer side of the rotary seat, a second round groove is arranged in the second connecting seat, a first through hole is arranged on the left side of the shell, a second through hole is arranged on the right side of the shell, the first circular groove is communicated with the first through hole, the second circular groove is communicated with the second through hole, the first circular groove and the second circular groove are respectively provided with a connecting device which is used for connecting two cables, and fix in order to prevent to drop, connecting device include first circular slot with the second circular slot is interior to slide respectively and is equipped with a center seat, every center seat is kept away from one section of casing center pin is fixed and is equipped with the clamp plate.

Furthermore, the outer surface of each clamping plate is provided with threads, each center seat is internally provided with a third circular groove, each third circular groove is internally provided with an insulator in a sliding manner, each insulator is internally provided with a cable core in a sliding manner, each clamping plate is externally provided with a nut in a sliding manner, and each nut is connected with each clamping plate through the threads.

Furthermore, each center seat is close to one side of the shell center shaft is fixedly provided with a compression plate, each compression plate is close to one side of the shell center shaft is fixedly provided with a fixture block, one side of the first circular groove, which is close to the second circular groove, of the shell center shaft is respectively provided with a clamping groove, each clamping groove is connected with each fixture block in a sliding manner, the outer sides of the first connecting seat and the second connecting seat are respectively provided with four telescopic holes, and each telescopic hole is internally and fixedly provided with a telescopic pin.

Furthermore, both sides are equipped with first spout every respectively about the casing slide in the first spout and be equipped with first slider, every both sides are fixed respectively about the first slider and are equipped with the limiting plate, every first spout both ends are fixed respectively and are equipped with first expansion plate, every first expansion plate and every first spout sliding connection, every the first expansion plate other end and every first slider fixed connection.

Furthermore, every inboard the inboard rotation of limiting plate is equipped with the rotation axis, every the rotation axis with roating seat fixed connection, both sides are fixed respectively and are equipped with the second slider about the roating seat, the casing inboard is equipped with the connection chamber, both sides are equipped with the second spout respectively about the connection chamber, every the second slider with every second spout sliding connection.

Furthermore, a fixing seat is fixedly arranged on the lower side of the connecting cavity, a cable connector is fixedly arranged on the upper side of the fixing seat, the connecting cavity is arranged in the cable connector, a compression barrel is fixedly arranged on the upper side of the shell, a plurality of air inlets are formed in the outer side of the compression barrel, a compression cavity is arranged in the compression barrel, a hydraulic cylinder seat is fixedly arranged on the lower side of the compression cavity, a plurality of ventilation holes are formed in the hydraulic cylinder seat, a hydraulic cylinder is fixedly arranged on the upper side of the hydraulic cylinder seat, a hydraulic rod is slidably arranged on the upper side of the hydraulic cylinder, a piston is fixedly arranged on the upper side of the hydraulic rod, and the piston is slidably connected with the compression cavity.

Put into the third circular slot with the insulator, then rotate the nut, thereby make the clamp plate to the inboard shrink, thereby make the clamp plate press from both sides the insulator tightly, then inject the first circular slot in first connecting seat and the second connecting seat respectively with casing both sides center seat, the fixture block will block into in the draw-in groove this moment, thereby make the center seat fix respectively in first connecting seat and second connecting seat, two cable heads will be connected together in cable connector this moment, compress the clamp plate through the nut like this, thereby fix the cable clamp, simultaneously through draw-in groove and fixture block, can effectually fix the cable head, the condition that the cable can not appear droing at the in-process that uses has been guaranteed, thereby the safety of power consumption has been guaranteed.

In the power utilization process, the hydraulic cylinder is always in an open state, the hydraulic rod can pull the piston to slide up and down, when the piston slides to the upper end, air can enter the compression cavity through the air inlet, the piston can slide down at the moment, so that the air in the compression cavity is compressed down by the piston, when the air passes through the vent hole, the flow rate of the air is accelerated due to the reduction of the cross-sectional area of the channel, so that the air flow blows the joint in the cable connector, the aim of quickly cooling is fulfilled, when the cable head needs to be disassembled, the telescopic pins in the first connecting seat and the second connecting seat are respectively pressed, so that the telescopic pins can downwards extrude the compression plate, so that the clamping block is separated from the clamping groove, the center seat is drawn out from the third circular groove, and heat at the cable joint can be continuously blown away by the arrangement of the heat dissipation device, therefore, the temperature at the joint is reduced, the dangerous situation of the cable joint caused by overhigh temperature is reduced, the quick disassembly joint can be realized through the telescopic pin, and the quick disassembly joint is convenient and simple, so that the efficiency is improved.

When the cable needs to be bent and connected or the cable cannot be bent, the rotating seat is slid towards the direction of the needed joint, so that the first slide block slides in the first sliding groove, the first expansion plate along the sliding side of the first slide block contracts in the first sliding groove, the first expansion plate on the other side expands in the first sliding groove, thereby ensuring that the first chute is always in a closed state, and simultaneously along with the sliding of the rotating seat, the second expansion plate along the sliding side of the rotating seat is contracted, the second expansion plate on the other side is expanded, and simultaneously the second connecting seat can be rotated, thereby the angle of the second connecting seat can be adjusted, the cable is ensured to be in the most proper connecting angle, the angle of the connector can be adjusted by rotating the connector, thereby guaranteed that the cable is in the most suitable connection angle, avoided also making the workman more convenient when connecting the both ends cable because of buckling the harm to the cable left side.

Drawings

Fig. 1 is a schematic view of a cable breakout.

Fig. 2 is a front view of the cable fitting.

Fig. 3 is a sectional view taken along a-a in fig. 2.

Fig. 4 is a sectional view taken along line B-B in fig. 2.

Fig. 5 is a sectional view taken along line C-C in fig. 2.

Fig. 6 is a sectional view taken along line D-D in fig. 4.

In the figure, 10, the housing; 11. compressing the barrel; 12. an air inlet; 13. a piston; 14. a first connecting seat; 15. a center seat; 16. a clamping plate; 17. a nut; 18. an insulator; 19. a cable core; 20. a telescopic hole; 21. a retractable pin; 22. a limiting plate; 23. a first slider; 24. a first expansion plate; 25. a first chute; 26. a second expansion plate; 27. a rotating base; 28. a clamping block; 29. a card slot; 30. a compression plate; 31. a second chute; 32. a second slider; 33. a rotating shaft; 34. a fixed seat; 35. a cable connector; 36. a connecting cavity; 37. a compression chamber; 38. a hydraulic cylinder; 39. a hydraulic lever; 40. a third circular groove; 41. a hydraulic cylinder base; 42. a vent hole; 43. a connecting cavity; 44. a second through hole; 45. a first through hole; 46. a second connecting seat; 47. a first circular groove; 48. a second circular groove.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 6, a cable detachment joint comprises a housing 10, a first connecting seat 14 is fixedly arranged on the left side of the housing 10, a first circular groove 47 is arranged in the first connecting seat 14, a rotary seat 27 is rotatably arranged on the right side of the housing 10, the rotary seat 27 rotates around the central axis of the housing 10, a second connecting seat 46 is fixedly arranged on the outer side of the rotary seat 27, a second circular groove 48 is arranged in the second connecting seat 46, a first through hole 45 is arranged on the left side of the housing 10, a second through hole 44 is arranged on the right side of the housing 10, the first circular groove 47 is communicated with the first through hole 45, the second circular groove 48 is communicated with the second through hole 44, a connecting device is respectively arranged in the first circular groove 47 and the second circular groove 48, and is used for connecting two cables, and fixed to prevent falling off, the connecting device comprises a first circular groove 47 and a second circular groove 48, respectively provided with a central seat 15 in a sliding manner, and a section of each central seat 15 far away from the central axis of the shell 10 is fixedly provided with a clamping plate 16.

As shown in fig. 2 and 6, the outer surface of each clamping plate 16 is provided with threads, a third circular groove 40 is formed in each center seat 15, an insulator 18 is slidably arranged in each third circular groove 40, a cable core 19 is slidably arranged inside each insulator 18, a nut 17 is slidably arranged outside each clamping plate 16, and each nut 17 is connected with each clamping plate 16 through threads.

As shown in fig. 3, 4 and 6, a compression plate 30 is fixedly disposed on one side of each center seat 15 close to the central axis of the housing 10, a latch 28 is fixedly disposed on one side of each compression plate 30 close to the central axis of the housing 10, a slot 29 is respectively disposed on one side of each first circular slot 47 and one side of each second circular slot 48 close to the central axis of the housing 10, each slot 29 is slidably connected to each latch 28, four telescopic holes 20 are respectively disposed on the outer sides of each first connecting seat 14 and each second connecting seat 46, and a telescopic pin 21 is fixedly disposed in each telescopic hole 20.

As shown in fig. 1, the upper and lower sides of the housing 10 are respectively provided with first sliding grooves 25, first sliding blocks 23 are slidably arranged in each first sliding groove 25, the upper and lower sides of each first sliding block 23 are respectively and fixedly provided with limiting plates 22, two ends of each first sliding groove 25 are respectively and fixedly provided with first expansion plates 24, each first expansion plate 24 is slidably connected with each first sliding groove 25, and the other end of each first expansion plate 24 is fixedly connected with each first sliding block 23.

As shown in fig. 5 and 6, a rotating shaft 33 is rotatably disposed inside each inner limiting plate 22, each rotating shaft 33 is fixedly connected to the rotating base 27, the second sliding blocks 32 are fixedly disposed on the upper and lower sides of the rotating base 27, respectively, a connecting cavity 43 is disposed inside the housing 10, the second sliding slots 31 are disposed on the upper and lower sides of the connecting cavity 43, and each second sliding block 32 is slidably connected to each second sliding slot 31.

As shown in fig. 1 and 6, a fixing seat 34 is fixedly arranged on the lower side of the connecting cavity 43, a cable connector 35 is fixedly arranged on the upper side of the fixing seat 34, a connecting cavity 36 is arranged in the cable connector 35, a compression barrel 11 is fixedly arranged on the upper side of the casing 10, a plurality of air inlets 12 are arranged on the outer side of the compression barrel 11, a compression cavity 37 is arranged in the compression barrel 11, a hydraulic cylinder seat 41 is fixedly arranged on the lower side of the compression cavity 37, a plurality of vent holes 42 are arranged in the hydraulic cylinder seat 41, a hydraulic cylinder 38 is fixedly arranged on the upper side of the hydraulic cylinder seat 41, a hydraulic rod 39 is slidably arranged on the upper side of the hydraulic cylinder 38, a piston 13 is fixedly arranged on the upper side of the hydraulic rod 39, and the piston 13 is slidably connected with the compression cavity 37.

The insulator 18 is placed in the third circular groove 40, the nut 17 is rotated, so that the clamping plate 16 is contracted towards the inner side, the insulator 18 is clamped by the clamping plate 16, then the center seats 15 on the two sides of the shell 10 are respectively inserted into the first circular grooves 47 in the first connecting seat 14 and the second connecting seat 46, the clamping block 28 is clamped into the clamping groove 29 at the moment, so that the center seats 15 are respectively fixed in the first connecting seat 14 and the second connecting seat 46, two cable heads are connected in the cable connector 35 at the moment, the clamping plate is compressed through the nut, so that the cable clamp is fastened and fixed, meanwhile, the cable heads can be effectively fixed through the clamping groove and the clamping block, the situation that the cable does not fall off in the using process is guaranteed, and the electricity utilization safety is guaranteed.

During the power utilization process, the hydraulic cylinder 38 is always in an open state, at this time, the hydraulic rod 39 will pull the piston 13 to slide up and down, when the piston 13 slides to the upper end, air will enter the compression chamber 37 through the air inlet 12, at this time, the piston 13 will slide down, so that the piston 13 will compress the air in the compression chamber 37 down, when the air passes through the vent hole 42, the flow rate of the air will be accelerated due to the reduction of the cross-sectional area of the passage, so that the air flow blows the joint in the cable connector 35, thereby achieving the purpose of rapid cooling, when the cable head needs to be disassembled, the telescopic pins 21 in the first connecting seat 14 and the second connecting seat 46 are respectively pressed, so that the telescopic pins 21 will press the compression plate 30 down, so that the clamping block 28 is separated from the clamping groove 29, thereby the central seat 15 is drawn out from the third circular groove 40, through setting up heat abstractor, can continuously blow away the heat of cable joint department to make, the temperature of joint department reduces, thereby has reduced cable joint department and has taken place dangerous circumstances because of the high temperature, can realize quick detachable joint through the telescopic pin in addition, and is convenient simple, thereby has improved efficiency.

When the cable needs to be bent and connected or the cable cannot be bent, the rotating seat 27 is slid towards the direction needing to be connected, so that the first sliding block 23 slides in the first sliding groove 25, the first expansion plate 24 along the sliding side of the first sliding block 23 contracts in the first sliding groove 25, the first expansion plate 24 on the other side extends in the first sliding groove 25, the first sliding groove 25 is always in a closed state, meanwhile, along with the sliding of the rotating seat 27, the second expansion plate 26 along the sliding side of the rotating seat 27 contracts, the second expansion plate 26 on the other side extends, meanwhile, the second connecting seat 46 can be rotated, the angle of the second connecting seat 46 can be adjusted, the cable is ensured to be at the most proper connecting angle, the angle of the connector can be adjusted through rotating the connector, the cable is ensured to be at the most proper connecting angle, and the damage to the left side of the cable due to bending is avoided, meanwhile, the cable connecting device is more convenient for workers to connect cables at two ends.

Compared with the prior art, this cable detaching joint has following advantage:

1. the clamping plate is compressed through the nut, so that the cable is clamped and fixed, and meanwhile, the cable head can be effectively fixed through the clamping groove and the clamping block, the condition that the cable cannot fall off in the using process is guaranteed, and the safety of power utilization is guaranteed.

2. Through setting up heat abstractor, can continuously blow away the heat of cable joint department to make, the temperature of joint department reduces, thereby has reduced cable joint department and has taken place dangerous circumstances because of the high temperature, can realize quick detachable joint through the telescopic pin in addition, and is convenient simple, thereby has improved efficiency.

3. The angle of the joint can be adjusted through rotating the joint, so that the cable is ensured to be at the most appropriate connection angle, the damage to the left side of the cable due to bending is avoided, and meanwhile, the workers are more convenient when the cables at two ends are connected.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A cable dismounting joint comprises a shell (10) and is characterized in that a first connecting seat (14) is fixedly arranged on the left side of the shell (10), a first round groove (47) is formed in the first connecting seat (14), a rotating seat (27) is rotatably arranged on the right side of the shell (10), the rotating seat (27) rotates around the central shaft of the shell (10), a second connecting seat (46) is fixedly arranged on the outer side of the rotating seat (27), a second round groove (48) is formed in the second connecting seat (46), a first through hole (45) is formed in the left side of the shell (10), a second through hole (44) is formed in the right side of the shell (10), the first round groove (47) is communicated with the first through hole (45), the second round groove (48) is communicated with the second through hole (44), and a connecting device is respectively arranged in the first round groove (47) and the second round groove (48), the connecting device is used for connecting two cables and is fixed to prevent the cables from falling off, the connecting device comprises a first circular groove (47) and a second circular groove (48) which are internally provided with a central seat (15) in a sliding mode, and a clamping plate (16) is fixedly arranged on one section, away from a central shaft of the shell (10), of each central seat (15).

2. A cable fitting according to claim 1, wherein: every clamping plate (16) surface is equipped with the screw thread, every be equipped with third circular slot (40) in center seat (15), every it is equipped with insulator (18) to slide in third circular slot (40), every the inboard slip of insulator (18) is equipped with cable core (19), every the sliding nut (17) that is equipped with in clamping plate (16) outside, every nut (17) and every clamping plate (16) pass through threaded connection.

3. A cable fitting according to claim 2, wherein: every center seat (15) are close casing (10) one side of center pin is fixed and is equipped with compression plate (30), every compression plate (30) are close casing (10) one side of center pin is fixed and is equipped with fixture block (28), first circular slot (47) with second circular slot (48) are close one side of casing (10) center pin is equipped with draw-in groove (29) respectively, every draw-in groove (29) and every fixture block (28) sliding connection, first connecting seat (14) with second connecting seat (46) outside respectively is equipped with four telescopic hole (20), every telescopic hole (20) internal fixation is equipped with flexible round pin (21).

4. A cable fitting according to claim 3, wherein: both sides are equipped with first spout (25) every respectively about casing (10) it is equipped with first slider (23) to slide in first spout (25), every both sides are fixed limiting plate (22) that are equipped with respectively about first slider (23), every first spout (25) both ends are fixed respectively and are equipped with first expansion plate (24), every first expansion plate (24) and every first spout (25) sliding connection, every first expansion plate (24) other end and every first slider (23) fixed connection.

5. A cable fitting according to claim 4, wherein: every is inboard limiting plate (22) inboard is rotated and is equipped with rotation axis (33), every rotation axis (33) with roating seat (27) fixed connection, both sides are fixed respectively and are equipped with second slider (32) about roating seat (27), casing (10) inboard is equipped with connects chamber (43), connect chamber (43) upper and lower both sides and be equipped with second spout (31), every second slider (32) and every second spout (31) sliding connection.

6. A cable fitting according to claim 5, wherein: the improved compressor is characterized in that a fixing seat (34) is fixedly arranged on the lower side of the connecting cavity (43), a cable connector (35) is fixedly arranged on the upper side of the fixing seat (34), a connecting cavity (36) is arranged in the cable connector (35), a compression barrel (11) is fixedly arranged on the upper side of the shell (10), a plurality of air inlets (12) are formed in the outer side of the compression barrel (11), a compression cavity (37) is formed in the compression barrel (11), a hydraulic cylinder seat (41) is fixedly arranged on the lower side of the compression cavity (37), a plurality of vent holes (42) are formed in the hydraulic cylinder seat (41), a hydraulic cylinder (38) is fixedly arranged on the upper side of the hydraulic cylinder seat (41), a hydraulic rod (39) is arranged on the upper side of the hydraulic cylinder (38) in a sliding mode, a piston (13) is fixedly arranged on the upper side of the hydraulic rod (39), and the piston (13) is connected with the compression cavity (37) in a sliding mode.