CN215144257U - Beveling device for cable - Google Patents

Abstract

The utility model discloses a beveling device of cable, the load simulator comprises a case, the top of machine case is equipped with the carousel, and the upper surface of carousel is equipped with the fixed knot that is used for fixed cable, and the outer lane cover of carousel is equipped with the calibrated scale, and the top of machine case is equipped with the locking device who is used for locking the carousel, is equipped with the blade directly over the carousel center, goes up the blade and is connected with drive arrangement, and a drive arrangement installs on the collateral branch supporting seat, and the collateral branch supporting seat is installed at the top of machine case, and the inside of machine case is provided with the drive power supply, and the drive power supply is connected with drive arrangement through the switch. The cable end obtained through the beveling device is at a certain angle, so that when the cable end is in compression joint with the wiring terminal, the cable end face is in full contact with the inside of the wiring terminal, the contact resistance is reduced, the heating of the connecting position of the cable end and the cable wiring terminal in the power transmission process is reduced, the aging rate of the cable is reduced, and the occurrence of faults such as the occurrence of cracks in a sheath, the occurrence of breakdown of the cable and the loss of electric insulation performance and the like is prevented.

Description

Beveling device for cable

Technical Field

The utility model relates to a cable preparation technical field especially relates to a beveling device of cable.

Background

In the process of power transmission, the place with the highest cable temperature is the position where the cable end and the cable wiring terminal are connected, if the cable end and the cable wiring terminal are well in pressure joint, the contact resistance is small, the heat generation is small, the temperature is low, and if the cable end and the cable wiring terminal are poorly in pressure joint, the contact resistance is large, the heat generation is large, the temperature is high, and the fault is easy to occur along with the prolonging of time.

Present cable cutting device all is that perpendicular and axial are cut to the cable head and is got, and this can cable end face and binding post inner wall do not have complete contact, can cause the contact resistance increase, and then the position that leads to cable head and cable binding post to be connected generates heat seriously, and then causes cable ageing, sheath crackle, even the cable takes place to puncture to lose electrical insulation performance.

For example, chinese patent document CN211464667U discloses "a temperature-resistant low-radiation frequency conversion dedicated cable cutting device", which includes a base, a cutting assembly is arranged on the top of the base; the cutting assembly comprises a first pressing block and a second pressing block, a cutting saw groove and a cable groove are formed in the bottom of the first pressing block and the top of the second pressing block, a groove is formed in the first pressing block, a U-shaped rod is arranged at the top of the first pressing block in a penetrating mode, and first bearings are fixedly arranged at two ends of the U-shaped rod. The disadvantage of the above patent is that the cutting of the cable ends is performed perpendicularly and axially.

Disclosure of Invention

The utility model mainly solves the technical problems that the cutting of the cable end by the existing cable cutting equipment is vertically and axially carried out and the beveling can not be carried out; the utility model provides a beveling device of cable, with the carousel rotatory with the carousel to required angle after again with the cable mounting on the carousel, then cut the cable, the cable end that obtains is certain angle, when cable end and binding post crimping for the cable terminal surface fully contacts with binding post inside, has reduced contact resistance, has reduced generating heat of cable end and cable binding post hookup location among the power transmission process, has reduced the probability that the trouble takes place.

The above technical problem of the present invention can be solved by the following technical solutions: the utility model discloses a machine case, the top of machine case is provided with the carousel, the upper surface of carousel is equipped with the fixed knot that is used for fixed cable, the outer lane cover of carousel is equipped with the calibrated scale, the top of machine case is equipped with the locking device who is used for locking the carousel, be equipped with the blade directly over the carousel center, it is connected with drive arrangement to go up the blade, drive arrangement installs on the collateral branch strut seat, the top at the machine case is installed to the collateral branch strut seat, the inside of machine case is provided with the drive power supply, the drive power supply is connected with drive arrangement through the switch.

The rotary table is locked through the locking device after rotating to a required angle, the cable is installed on the rotary table through the fixing buckle, the switch is turned on, the driving power source drives the driving device, the driving device drives the upper blade to move downwards to cut the cable, the obtained cable end is in a certain angle, when the cable end is in compression joint with the wiring terminal, the cable end face is in full contact with the inside of the wiring terminal, the contact resistance is reduced, heating of the cable end and the connection position of the cable wiring terminal in the power transmission process is reduced, the aging rate of the cable is reduced, the occurrence of faults that a sheath cracks, the cable breaks down and loses electric insulation performance and the like is prevented.

Preferably, the beveling device further comprises a rotating shaft, the rotating shaft is a hollow shaft, one end of the rotating shaft is rotatably connected with the top of the case, the other end of the rotating shaft is fixedly connected with the rotating disc, a through hole is formed in the fixed connection position of the rotating disc and the rotating shaft, the size of the through hole is the same as that of the through hole of the rotating shaft, and a lower blade matched with the upper blade is arranged inside the rotating shaft.

In the process of cable cutting, the upper blade and the lower blade are matched for use, so that the speed of cable cutting is increased, and the working efficiency is improved.

Preferably, the locking device comprises a limiting clamping table, a spring locking pin and an annular clamping groove, the limiting clamping table is fixedly installed between the top of the rotary table and the top of the case, the annular clamping groove is formed in the lower surface of the rotary table, a plurality of thread through holes corresponding to the annular clamping groove are formed in the limiting clamping table, the spring locking pin is provided with external threads, and the external threads are matched with the thread through holes.

The annular clamping groove and the limiting clamping table are provided with a plurality of thread through holes corresponding to the annular clamping groove and spring locking pins with external threads, and the turntable can be locked no matter how many angles the turntable rotates.

Preferably, a sliding plane bearing is arranged between the turntable and the limiting clamping table, and the sliding plane bearing is provided with a lubricating oil injection port.

The sliding plane bearing is arranged between the rotary table and the limiting clamping table, so that the rotating friction between the rotary table and the limiting clamping table is reduced, and the sliding plane bearing is provided with a lubricating oil injection port, so that the rotating lubrication of the rotary table is further ensured to be good.

Preferably, the driving power source is a hydraulic oil pump, the driving device is a propulsion oil cylinder, the hydraulic oil pump is connected with the propulsion oil cylinder sequentially through an electromagnetic valve and a pressure regulation control valve, and the electromagnetic valve is controlled by a foot switch.

The pressure regulating control valve is additionally arranged, so that the pressure range can be freely regulated, and the pushing oil cylinder is ensured to regulate the pressure of each cable specification.

Preferably, the scale on the dial is 40 ° to 90 °.

Preferably, the beveling device further comprises a plurality of photoelectric sensing switches, the photoelectric sensing switches are annularly arranged on the upper surface of the turntable, and the distance between each photoelectric sensing switch and the cable cutting point is greater than or equal to L.

The photoelectric sensing switch is additionally arranged, and when a hand stretches into a dangerous area, the blade automatically stops feeding, so that accidents are prevented.

The utility model has the advantages that:

1) the cable is obliquely cut to obtain a cable end with a certain angle, when the cable end is in compression joint with the wiring terminal, the end face of the cable is in full contact with the inside of the wiring terminal, the contact resistance is reduced, the heating of the connecting position of the cable end and the cable wiring terminal in the power transmission process is reduced, the aging rate of the cable is reduced, and the faults that a sheath cracks, the cable breaks down and loses the electrical insulation performance and the like are prevented;

2) in the process of cutting the cable, the upper blade and the lower blade are matched for use, so that the speed of cutting the cable is increased, and the working efficiency is improved;

3) the cutting at different angles of 40-90 degrees and the like can be met, and the range is wide;

4) the photoelectric sensing switch is additionally arranged, so that the blade automatically stops feeding when the hand extends into a dangerous area, accidents are prevented, and the safety performance is better;

5) when the driving power source is a hydraulic pump, the driving device is a propulsion oil cylinder, and a pressure adjusting control valve is additionally arranged, the pressure range can be freely adjusted, and the propulsion oil cylinder is ensured to adjust the pressure of each cable specification.

Drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a schematic diagram of the structure of the turntable and the dial of the present invention.

In the figure, the device comprises a machine case 1, a machine case 2, a rotating shaft 3, a rotary table 4, a lower blade 5, an upper blade 6, a driving device 7, a pressure regulation control valve 8, an electromagnetic valve 9, a driving power source 10, a foot switch 11, a control system 12, a side support seat 13, a dial plate 14, a fixing buckle 15, a limiting clamping table 16, a spring locking pin 17, an annular clamping groove 18, a sliding plane bearing 19, a photoelectric sensing switch 20 and a displacement sensor.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): the beveling device for the cable comprises a machine case 1, a rotating shaft 2 is installed at the top of the machine case, the rotating shaft is a hollow shaft and can rotate relative to the top of the machine case, a rotating disc 3 is fixedly installed at one end, far away from the top of the machine case, of the rotating shaft, a through hole is formed in the fixed connection position of the rotating disc and the rotating shaft, the diameter of the through hole is the same as that of the through hole of the rotating shaft, a lower blade 4 is fixedly installed inside the rotating shaft, an upper blade 5 is arranged right above the center of the rotating disc and is matched with the lower blade for use, the upper blade is fixedly installed on a driving device 6, in the embodiment, the driving device is a propulsion oil cylinder, the propulsion oil cylinder is connected with a driving power source 9 through a pressure regulation control valve 7 and an electromagnetic valve 8 in a hydraulic pump mode, the electromagnetic valve is respectively controlled by a foot switch 10 and a control system 11, and the control system and the hydraulic pump are installed inside the machine case, the thrust cylinder is mounted on a side support 12 mounted on the top of the cabinet.

The outer ring of the rotary disc is sleeved with a dial 13, the side end of the dial is fixedly connected with the side supporting seat, the angles engraved on the dial comprise 40-90 degrees and 13 degrees, and an angle line is arranged at every 1 degree. The left side and the right side of the upper surface of the turntable are symmetrically provided with the fixed buckles 14, the straight line connecting line of the two fixed buckles passes through the center of the turntable, and the straight line connecting line of the two fixed buckles is marked on the turntable as a standard line.

The below of carousel is provided with the locking device who is used for locking the carousel, and locking device includes spacing ka tai 15, spring locking round pin 16 and ring groove 17, and spacing ka tai fixed mounting is between the top of carousel and quick-witted case, and ring groove sets up the lower surface at the carousel, and a plurality of screw thread through-holes corresponding with ring groove have been seted up to spacing ka tai, and spring locking round pin has outside screw thread, and outside screw thread and screw thread through-hole cooperate. A sliding plane bearing 18 is arranged between the turntable and the limiting clamping table, and the sliding plane bearing is provided with a lubricating oil filling opening.

The upper surface of carousel still installs 8 photoelectric sensing switches 19, and photoelectric sensing switch uses the carousel center to set up as central annular, and the distance between every photoelectric sensing switch and the carousel center is more than or equal to L. The upper blade is also fixedly provided with a displacement sensor 20. The photoelectric switch and the displacement sensor are both in communication connection with the control system.

The working principle of the embodiment is as follows: before no operation, the standard line is aligned on the 0 ° angle line. After the angle to be cut is determined, the turntable is rotated to a corresponding angle, for example, when the angle to be cut is determined to be 45 °, the standard line is aligned on the 45 ° angle line. Then from down up through the bottom butt of screw thread through-hole and ring groove with the spring locking round pin, lock between carousel and the spacing ka tai. And then, the cable to be cut is installed on the turntable through the fixed buckle, and the pressure is adjusted through the pressure adjusting control valve according to the specification of the cable. The power switch of the beveling device is turned on, the hydraulic pump is started, the foot switch is stepped down, the propulsion oil cylinder drives the upper blade to move downwards to be matched with the lower blade to perform cutting movement until the cable is cut off, the displacement sensor sends a signal to the control system after the cable is cut off, the control system controls the electromagnetic valve to act, and then the propulsion oil cylinder moves back to the original position.

When the device is used for cable cutting operation, if the hands of an operator enter a dangerous area finished by the photoelectric sensing switch, the photoelectric sensing switch sends a signal to the control system, and the control system controls the electromagnetic valve to act, so that the oil cylinder is pushed to move back to the original position.

The device bevels the cable to obtain the cable end that is certain angle, when cable end and binding post crimping for the inside abundant contact of cable terminal surface and binding post has reduced contact resistance, has reduced the generating heat of cable end and cable binding post hookup location among the power transmission process, has reduced the rate that the cable is ageing, prevents that the sheath from appearing the crackle, the cable takes place to puncture the emergence of faults such as losing electric insulation performance.

Claims (7)

1. The utility model provides a beveling device of cable which characterized in that, includes quick-witted case, the top of machine case is provided with the carousel, the upper surface of carousel is equipped with the fixed knot that is used for fixed cable, the outer lane cover of carousel is equipped with the calibrated scale, the top of machine case is equipped with the locking device who is used for locking the carousel, be equipped with the blade directly over the carousel center, it is connected with drive arrangement to go up the blade, drive arrangement installs on the collateral branch support seat, the collateral branch support seat is installed at the top of machine case, the inside of machine case is provided with the drive power supply, the drive power supply is connected with drive arrangement through the switch.

2. The beveling device for cables according to claim 1 further comprises a rotating shaft, wherein the rotating shaft is a hollow shaft, one end of the rotating shaft is rotatably connected with the top of the case, the other end of the rotating shaft is fixedly connected with the rotating disc, a through hole is formed in the fixed connection position of the rotating disc and the rotating shaft, the size of the through hole is the same as that of the through hole of the rotating shaft, and a lower blade matched with the upper blade is arranged inside the rotating shaft.

3. The beveling device for cables according to claim 1 or 2, wherein the locking device comprises a limiting clamping table, a spring locking pin and a ring-shaped clamping groove, the limiting clamping table is fixedly installed between the turntable and the top of the case, the ring-shaped clamping groove is formed in the lower surface of the turntable, a plurality of threaded through holes corresponding to the ring-shaped clamping groove are formed in the limiting clamping table, the spring locking pin is provided with external threads, and the external threads are matched with the threaded through holes.

4. The beveling apparatus for an electrical cable according to claim 3, wherein a sliding flat bearing is provided between the turntable and the position-restricting chuck, and the sliding flat bearing is provided with a lubricating oil inlet.

5. The beveling apparatus for an electric cable according to claim 1, wherein the driving power source is a hydraulic oil pump, the driving apparatus is a thrust cylinder, the hydraulic oil pump is connected to the thrust cylinder through an electromagnetic valve and a pressure regulating control valve in sequence, and the electromagnetic valve is controlled by a foot switch.

6. A cable bevelling apparatus according to claim 1 wherein the scale on the dial is from 40 ° to 90 °.

7. The beveling apparatus for cables according to claim 1, further comprising a plurality of photoelectric sensing switches annularly disposed on an upper surface of the turntable, wherein a distance between the photoelectric sensing switches and a cable cutting point is greater than or equal to L.

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