CN111230834A - Cable fault inspection device snatchs mechanism - Google Patents

Abstract

The invention discloses a grasping mechanism of a cable fault inspection device. The grasping mechanism includes a first lifting component, a second lifting component and a rotating component. The first lifting component includes a first fixing plate, a first lifting plate and a support rod. , a first motor and a booster cylinder, the lower part of the first fixing plate is provided with a number of sleeves, the upper end of the first lifting plate is provided with a number of lifting shafts, the booster cylinder is arranged on the upper part of the first fixing plate, the support rods are The lower end is provided with a support bar, the support bar and the support rod can extend into the inner strip-shaped groove, the upper end of the support rod is installed with a transmission wheel, the transmission wheel is driven by the transmission belt, and the first motor is used to drive one of the support rods to rotate; , a simple and practical cable that can grab the cable trench cover with the upper end surface flush with the ground or slightly higher than the ground, and walk outside the cable trench, avoiding the problem of complex internal environment of the cable trench and reducing the workload of inspection. Troubleshooting device.

Description

A grabbing mechanism of a cable fault inspection device

technical field

The invention relates to the technical field of cable inspection devices, in particular to a grabbing mechanism of a cable fault inspection device.

Background technique

With the development of the city and the advancement of the modernization process, more and more cable trenches are being built to replace the cement towers in the city. In order to ensure the safe and reliable operation of the power system, the cable trenches need to be repaired regularly. First lift the cable trench cover, and then inspect the cables under the cable trench cover. Chinese Patent (Application No. CN201611230840.2) discloses a cable trench inspection robot, which includes a car body. Take the cover plate grabbing mechanism of the cable trench cover plate. The front side of the car body is provided with a detection mechanism, the bottom of the car body is provided with a walking mechanism, and the car body is provided with a control unit and a battery module. The cover plate grabbing mechanism includes two The grabbing mechanical arm assembly includes an upper arm, a lower arm and a top plate. The upper arm is connected to the vehicle body through a first rotating shaft. , the outer side of the top plate is provided with a rotatable mechanical claw, but the upper surface of the current cable trench cover is flush with the ground or slightly higher than the ground, so the above-mentioned grabbing mechanism that uses both ends to clamp the cable trench cover is obviously not applicable. Due to the current environment, it is necessary to design a grabbing mechanism for the cable fault inspection device.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a grasping mechanism capable of grasping the cable fault inspection device of the cable trench cover plate whose upper end surface is flush with the ground or slightly higher than the ground.

The above technical purpose of the present invention is achieved through the following technical solutions: a grabbing mechanism for a cable fault inspection device, which is installed in a vehicle body and used to grab a cable trench cover, and the cable trench cover is provided with a A number of strip-shaped grooves arranged in parallel, the grabbing mechanism includes a first lifting assembly, a second lifting assembly and a rotating assembly, the first lifting assembly includes a first fixing plate, a first lifting plate, a support rod, and a first motor and a booster cylinder, the lower part of the first fixing plate is provided with a number of sleeves, the upper end of the first lifting plate is provided with a number of lifting shafts slidingly mounted on the sleeve, the booster cylinder is arranged on the first fixed plate The upper part of the plate drives the first lifting plate to move up and down. The two ends of the first lifting plate are respectively distributed with two groups of support rods, and the support rods are installed on the first lifting plate through bearings. The lower ends of the support rods are screwed with supports The center of the support bar is equipped with an infrared sensor, and the lower end of the infrared sensor is provided with a transparent blocking plate installed on the support bar. The support bar and the support rod can extend into the inner bar-shaped groove. A transmission wheel is installed on the upper end of the support rod, the transmission wheel is driven by a transmission belt, and the first motor is used to drive one of the support rods to rotate; the second lifting assembly includes an upper fixing plate, a lower fixing plate, and a second lifting plate , Lifting column, guide cylinder and lifting cylinder, the upper fixing plate and the lower fixing plate are connected by four columns, the second lifting plate is slidingly arranged on the column, and the lifting cylinder drives the second lifting plate to go up and down The lifting column can guide and slide in the guide cylinder and is limited by the guide cylinder in the radial direction. The outer end of the beam is rotatably connected with a beam arm, the beam is provided with a second motor that drives the beam arm to rotate, the lower end of the beam arm is fixedly connected with the first fixing plate, and the rotating assembly includes a A fixed cylinder, the guide cylinder is rotatably arranged in the fixed cylinder through a bearing, the lower end of the lifting column is sleeved with a rotating block, the rotating block connects the lifting column and the rotating block through a connecting ring, and the body is hinged. There is a rotating cylinder, and the output end of the rotating cylinder is hinged to the rotating block through the elbow.

Further, a turntable is installed on the support rod, the turntable is arranged on the lower end of the first lifting plate, two shielding sheets are evenly distributed on the circumference of the turntable, and an infrared detection device is installed on the lower end of the first lifting plate, so The infrared detection device includes a transmitting end and a receiving end. When the infrared rays emitted by the transmitting end are blocked by the shielding sheet, the first motor stops working.

Further, the lower end of the support bar is provided with a mounting hole, and the lower end of the infrared sensor is sequentially abutted with a first ring pad, a transparent blocking sheet, a second ring pad and a pressing sheet, and the pressing sheet is pressed by a fastener. It is fixedly installed in the support bar.

Further, the inner end of the sleeve is provided with a cavity and the cavity penetrates the lower part of the sleeve, the lower part of the sleeve is threadedly connected with a cover, and the upper end of the lifting shaft is provided with a cavity adapted to The limit block, the cover is provided with a notch for the lifting shaft to pass through.

Further, the support rods are arranged in a Z-shaped staggered manner on the first lifting plate, and a limit sleeve is provided on the upper part of the support rod.

Further, the first motor is mounted on the first lifting plate through a motor connecting block, and the first fixing plate is provided with a groove for the first motor and the motor connecting block to pass through.

Further, the grabbing mechanism further includes a positioning assembly, the positioning assembly includes a positioning plate and a positioning sleeve, the two ends of the positioning plate are provided with ear seats, and the upper part of the positioning sleeve is fixed with a threaded connection with the ear seats. A positioning hole is formed on the positioning plate, a positioning box is fixedly installed on the second lifting plate, and an electromagnetic clutch, an iron core, a positioning rod and a spring are arranged in the positioning box. There is a setting groove for the positioning rod to slide, a contact block is arranged in the positioning groove, the positioning rod is protruded with a flange, the spring is sleeved on the positioning rod, and both ends of the spring abut against the flanges respectively As with the abutment block, a mounting cover is provided at one end of the positioning box close to the positioning hole, and the positioning hole is adapted to the positioning rod.

Further, the positioning sleeve is provided with an adjustment groove and a locking hole communicating with the adjustment groove, and the positioning sleeve is fixed on the column by screwing the locking hole with the locking finger.

To sum up, the present invention has the following beneficial effects:

When it is necessary to inspect the cables under a cable trench cover, the grabbing mechanism can lift the cable trench cover and rotate it to one side, and then use the detection mechanism to inspect the cables under the cable trench cover. Detection, through the above settings, it is possible to grab the cable trench cover with the upper end surface flush with the ground or slightly higher than the ground. The specific operation of the grabbing mechanism is as follows: 1. The jacking cylinder drives the lifting column to descend, and the booster cylinder drives the first A lift plate descends to make the support rod enter the slot; 2. The first motor drives the support rod to rotate 90 degrees, so that the support bar and the slot are crossed; 3. The booster cylinder drives the first lift plate to The upper body of the support bar, the support bar drives the cable trench cover to move; 4. The jacking cylinder drives the second lift plate to move, so that the cable trench cover moves; 5. The rotating cylinder drives the turning block to rotate, and the cable The ditch cover is turned to the side.

Description of drawings

Fig. 1 is the schematic diagram of the cable trench cover plate of the present invention;

Fig. 2 is the schematic diagram of the inspection device;

Fig. 3 is the structural representation of the present invention;

4 is a schematic structural diagram of the first lifting assembly of the present invention;

Fig. 5 is the installation schematic diagram of the sleeve and the lifting shaft of the present invention;

6 is a schematic diagram of the installation of the infrared sensor and the transparent shutter of the present invention;

Fig. 7 is the enlarged view of A place of the present invention;

8 is a schematic diagram of an infrared detection device and a shielding sheet of the present invention;

Fig. 9 is the structural representation of the rotating assembly of the present invention;

10 is a schematic diagram of a guide cylinder and a fixed cylinder of the present invention;

11 is a schematic structural diagram of a positioning assembly of the present invention;

Fig. 12 is the internal schematic diagram of the positioning box of the present invention;

Fig. 13 is the structural representation of the positioning sleeve of the present invention;

FIG. 14 is a schematic diagram of the detection mechanism of the patrol inspection device.

In the figure: 1. Cable trench cover; 11. Bar slot; 2. Vehicle body; 21. Control unit; 3. First lifting assembly; 31. First fixing plate; 311, Sleeve; 32, the first lift plate; 321, lift shaft; 322, limit block; 33, support rod; 331, support bar; 332, transmission wheel; 333, transmission belt; 334, limit sleeve; 335, installation hole; 34, The first motor; 341, the motor connection block; 35, the booster cylinder; 36, the infrared sensor; 361, the first ring pad; 362, the transparent block; 363, the second ring pad; ; 371, blocking sheet; 372, infrared detection device; 373, transmitting end; 374, receiving end; 4, second lifting assembly; 41, upper fixing plate; 42, lower fixing plate; Pressure buffer; 423, rectangular bar; 43, second lift plate; 44, lift column; 441, beam; 442, beam arm; 443, second motor; 45, guide cylinder; 46; jacking cylinder; 47, column ;5. Rotating assembly; 51. Fixed cylinder; 52. Turning block; 53. Connecting ring; 54. Rotating cylinder; 55. Elbow; 6. Second fixing plate; 61. First cylinder; 611. Rectangular groove; 62 , mounting seat; 621, the first polished rod; 63, the screw rod; 631, the second polished rod; 632, the nut; 633, the third motor; 7, the third fixed plate; 71, the sliding assembly; 72, the sliding plate; 721, the fourth motor; 722, the rotating seat; 723, the rotating beam; 73, the second cylinder; 74, the flange; 75, the conductive block; 76, the camera; 77, the rotating motor; 78, the internal resistance detection device; 79, Voltage detection device; 8, positioning assembly; 81, positioning plate; 811, ear seat; 812, positioning hole; 82, positioning sleeve; 821, connecting part; 822, adjusting groove; 823, locking hole; 824, locking finger; 83, positioning box; 831, electromagnetic clutch; 832, iron core; 833, positioning rod; 834, spring; 835, placement groove; 836, abutment block; 837, flange; 838, installation cover.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figures 1-14, a cable fault inspection device is installed in the vehicle body 2 and used for overhauling the cables arranged at the lower end of the cable trench cover 1. The cable trench cover 1 is provided with several The strip grooves 11 are arranged in parallel. The inspection device includes a vehicle body 2. The vehicle body 2 is provided with a grasping mechanism for grasping the cable trench cover 1 and a detection mechanism for detecting faults on the cables. The body 2 is provided with a control unit 21 , and the grasping mechanism and the detection mechanism are respectively electrically connected to the control unit 21 .

The grabbing mechanism includes a first lifting assembly 3 , a second lifting assembly 4 and a rotating assembly 5 . The first lifting assembly 3 includes a first fixing plate 31 , a first lifting plate 32 , a support rod 33 , and a first motor 34 and a booster cylinder 35, the lower part of the first fixing plate 31 is provided with a number of sleeves 311, the upper end of the first lifting plate 32 is provided with a number of lifting shafts 321 slidingly mounted on the sleeve 311, the booster The air cylinder 35 is arranged on the upper part of the first fixing plate 31 and drives the first lifting plate 32 to move up and down. Two sets of support rods 33 are respectively distributed at both ends of the first lifting plate 32, and the support rods 33 are mounted on the first lifting plate 33 through bearings. Plate 32, the lower end of the support rod 33 is screwed with a support bar 331, the lower end of the support bar 331 is provided with a mounting hole 335, and the lower end of the infrared sensor 36 is sequentially abutted with a first ring pad 361, transparent The blocking piece 362, the second ring pad 363 and the pressing piece 364 are fixedly installed in the support bar 331 by the fasteners, and the support bar 331 and the support rod 33 can extend into the inner bar-shaped groove 11, so A transmission wheel 332 is installed on the upper end of the support rod 33 , the transmission wheel 332 is driven by a transmission belt 333 , and the first motor 34 is used to drive one of the support rods 33 to rotate.

The infrared sensor 36 is used to observe the position of the cable trench cover 1 , so that the support rod 33 can be accurately inserted into the strip groove 11 .

The second lifting assembly 4 includes an upper fixing plate 41, a lower fixing plate 42, a second lifting plate 43, a lifting column 44, a guide cylinder 45 and a jacking cylinder 46. The upper fixing plate 41 and the lower fixing plate 42 pass through four parts. The vertical column 47 is connected, the second lifting plate 43 is slid on the vertical column 47, the lifting cylinder 46 drives the second lifting plate 43 to move up and down, the lifting column 44 can be guided and slid in the guide cylinder 45 and The radially limited guide cylinder 45, in the present invention, the guide cylinder 45 is fixedly installed with a rotation stop cylinder, and a limit groove is formed in the rotation stop cylinder through the upper and lower ends of the rotation stop cylinder. The peripheral wall of the lifting column 44 There is a limit part that guides and cooperates with the limit groove, so that the lifting column 44 can only move up and down in the guide cylinder 45. The lower end of the lifting column 44 is mounted on the second lifting plate 43 through a bearing. The upper end of 44 is connected with a beam 441, and the outer end of the beam 441 is rotatably connected with a beam arm 442. The beam 441 is provided with a second motor 443 that drives the beam arm 442 to rotate. The fixing plate 31 is fixedly connected.

The rotating assembly 5 includes a fixing cylinder 51 arranged on the upper fixing plate 41 , the guiding cylinder 45 is rotatably arranged in the fixing cylinder 51 through a bearing, and the lower end of the lifting column 44 is sleeved with a rotating block 52 . 52 The lifting column 44 and the turning block 52 are connected as a whole through the connecting ring 53, the car body 2 is hinged with a rotating cylinder 54, and the output end of the rotating cylinder 54 is hinged to the turning block 52 through the elbow 55. , the rotating cylinder 54 can drive the guide cylinder 45 and the lifting column 44 to rotate together.

The detection mechanism includes a second fixing plate 6, a third fixing plate 7, a rotating beam 723, and a rotating motor 77. The lower fixing plate 42 is provided with a first cylinder 61 and mounting seats 62 at both ends of the first cylinder 61. The output end of the first air cylinder 61 is connected to the second fixing plate 6, the second fixing plate 6 is connected with a first polished rod 621 that slides through the mounting seat 62, and the second fixing plate 6 is located on the vehicle body. 2, the cylinder body of the first cylinder 61 and the mounting seat 62 are both located in the vehicle body 2, and the vehicle body is provided with a hollow slot for the piston of the first cylinder 61 and the first polished rod 621 to pass through.

The front end of the second fixing plate 6 is installed with a screw rod 63, a second polished rod 631, a nut 632 and a third motor 633. Two ends of the screw rod 63 are provided with threaded portions with opposite directions of rotation. Each is provided with a nut 632 , the third fixing plate 7 is mounted on the screw rod 63 through the nut 632 , the third fixing plate 7 is provided with a sliding assembly 71 , and a sliding plate 72 slidably installed on the sliding assembly 71 and a second air cylinder 73 that drives the sliding plate 72 to move up and down, a fourth motor 721 and a rotating base 722 are installed on the sliding plate 72, the rotating beam 723 is rotatably installed on the rotating base 722, and the fourth motor 721 The rotating beam 723 is driven to rotate, the other end of the rotating beam 723 is provided with a flange 74, the inner side of the flange 74 is provided with a conductive block 75 and a camera 76, and the outer end of the flange 74 is provided with a rotating motor 77, Both ends of the rotating electrical machine 77 are provided with an internal resistance detection device 78 and a voltage detection device 79 fixedly installed on the rotating beam 723, and the internal resistance detection device 78 and the voltage detection device 79 are respectively electrically connected to the conductive block 75, The flange 74 is provided with two through holes, so that the connection line of the internal resistance detection device 78 is connected to the conductive block 75, and the connection line of the voltage detection device 79 is connected to the conductive block 75. The detection principle of the detection mechanism is the prior art, which can be used. Reference (Chinese Patent Application No. CN201610909577.3).

The inner end of the sleeve 311 is provided with a cavity, and the cavity penetrates the lower part of the sleeve 311 , the lower part of the sleeve 311 is screwed with a cover 312 , and the upper end of the lifting shaft 321 is provided with a cavity. An adapted limit block 322, the cover 312 is provided with a notch for the lift shaft 321 to pass through. Through the above arrangement, when the booster cylinder 35 drives the first lift plate 32 to descend, on the one hand, the cover 312 The limit block 322 can be supported, so that the piston rod of the booster cylinder 35 does not have to bear the downward pulling force. On the other hand, the guide cooperation between the sleeve 311 and the limit block 322 facilitates the booster cylinder 35 to drive the first lift plate 32 to rise. or drop.

The support rods 33 are arranged on the first lifting plate 32 in a Z-shaped staggered manner. The upper part of the support rods 33 is provided with a limit sleeve 334. The lifting and lowering movements are avoided and do not interfere with each other. On the other hand, the support bars 331 can better support the cable trench cover 1, thereby facilitating the lifting, rotation and reset of the cable trench cover 1 smoothly.

A turntable 37 is installed on the support rod 33. The turntable 37 is arranged at the lower end of the first lifting plate 32. The turntable 37 has two shielding sheets 371 evenly distributed in the circumferential direction. The detection device 372 includes a transmitting end 373 and a receiving end 374. When the infrared rays emitted by the transmitting end 373 are blocked by the shielding sheet 371, the first motor 34 stops working.

The first motor 34 is mounted on the first lifting plate 32 through the motor connecting block 341 , and the first fixing plate 31 is provided with a groove for the first motor 34 and the motor connecting block 341 to pass through.

A cable fault inspection device, the grasping mechanism further includes a positioning assembly 8, and the positioning assembly 8 includes a positioning plate 81 and a positioning sleeve 82. The two ends of the positioning plate 81 are provided with ear seats 811, and the positioning The upper part of the sleeve 82 is fixedly provided with a connecting portion 821 threadedly connected to the ear seat 811 , the positioning plate 81 is provided with a positioning hole 812 , and a positioning box 83 is fixedly installed on the second lifting plate 43 . The positioning box 83 An electromagnetic clutch 831, an iron core 832, a positioning rod 833 and a spring 834 are arranged inside. The positioning box 83 is provided with a seating groove 835 for the positioning rod 833 to slide, and an abutting block 836 is arranged in the seating groove 835. The positioning rod 833 is protruded with a flange 837 , the spring 834 is sleeved on the positioning rod 833 and both ends of the spring 834 abut the flange 837 and the abutting block 836 respectively, the positioning box 83 is close to the positioning hole 812 . One end is provided with a mounting cover 838 , and the positioning hole 812 is matched with the positioning rod 833 .

When the electromagnetic clutch 831 is energized, the iron core 832 generates a magnetic force, which can attract the positioning rod 833, and the positioning rod 833 is separated from the positioning hole 812; when the electromagnetic clutch 831 is powered off, the magnetic force of the iron core 832 disappears, and the positioning rod The positioning rod 833 is pushed into the positioning hole 812 by the elastic force of the spring 834 , and the positioning rod 833 supports the positioning plate 81 .

The positioning sleeve 82 is provided with an adjustment slot 822 and a locking hole 823 communicating with the adjustment slot 822 . The positioning sleeve 82 is screwed to the locking hole 823 by the locking finger 824 so that the positioning sleeve 82 is fixed on the upright column 47 .

The installation steps of the positioning assembly 8 are as follows: 1. Move the positioning plate 81 and the ear seat 811 to a proper position along the column 47, 2. Screw the connecting part 821 on the positioning sleeve 82 into the ear seat 811, 3. Put the lock The fingers 824 are screwed into the locking holes 823 to fix the positioning sleeve 82 to the upright post 47 , so that the positioning plate 81 is fixed to the upright post 47 .

By arranging the positioning assembly 8 so that the lifting cylinder 46 can be positioned when the second lifting plate 43 is lifted up, the second lifting plate 43 can be positioned, thereby preventing the piston rod of the lifting cylinder 46 from supporting the second lifting plate 43 for a long time and causing its bending.

Two ends of the lower fixing plate 42 are provided with Z-shaped plates 421 . Several hydraulic buffers 422 are installed on the Z-shaped plates 421 at intervals. The hydraulic buffers 422 are provided to prevent the second lifting plate 43 from descending. When a large vibration is generated, the second lifting plate 43 is made more stable.

Two ends of the second fixing plate 6 are provided with rectangular grooves 611, and the front end of the lower fixing plate 42 is provided with a rectangular bar 423 extending into the rectangular groove 611. When the output end of the first cylinder 61 is retracted, it drives the The second fixing plate 6 moves backward, so that the rectangular slot 611 enters the rectangular bar 423 , and then the rectangular bar 423 can support the second fixing plate 6 .

The basic working principle of the inspection device is as follows: the vehicle body 2 can walk along the cable trench cover 1, and when the cable under a cable trench cover 1 needs to be inspected, the grabbing mechanism can remove the cable trench cover. Lift the plate 1 and rotate it to one side, and then use the detection mechanism to detect the cables under the cable trench cover plate 1. Through the above setting, the cable trench with the upper end surface flush with the ground or slightly higher than the ground can be grasped The cover plate 1 can walk outside the cable trench, avoiding the problem of complicated internal environment of the cable trench and reducing the workload of inspection. The specific operation of the inspection device is as follows: 1. The jacking cylinder 46 drives the lifting column 44 to descend, and the booster cylinder 35 drives the first lifting plate 32 to descend, so that the support rod 33 enters the strip groove 11; 2. The first motor 34 Drive the support rod 33 to rotate 90 degrees, so that the support bar 331 and the bar groove 11 are crossed; 3. The booster cylinder 35 drives the first lifting plate 32 and the support bar 331 to lift up, and the support bar 331 drives the cable trench The cover plate 1 moves up; 4. The jacking cylinder 46 drives the second lifting plate 43 to move up, so that the cable trench cover plate 1 moves up; 6. The first air cylinder 61 drives the second fixed plate 6 to move forward, the fourth motor 721 drives the rotating beam 723 to rotate downward, and the second air cylinder 73 The flange 74 is extended into the cable, and then the detection mechanism detects the cable.

The above descriptions are only the preferred embodiments of the present invention, so all equivalent changes or modifications made according to the structures, features and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims (8)

1. A grabbing mechanism of a cable fault inspection device, installed in a vehicle body (2) and used for grabbing a cable trench cover plate (1), the cable trench cover plate (1) is provided with a plurality of parallel devices The strip groove (11) is characterized in that: the grabbing mechanism includes a first lifting assembly (3), a second lifting assembly (4) and a rotating assembly (5), and the first lifting assembly (3) includes a first fixing plate (31), a first lifting plate (32), a support rod (33), a first motor (34) and a booster cylinder (35), the lower part of the first fixing plate (31) is provided with several A sleeve (311), the upper end of the first lifting plate (32) is provided with a plurality of lifting shafts (321) slidably mounted on the sleeve (311), and the booster cylinder (35) is arranged on the first fixing plate (31) and drives the first lifting plate (32) to move up and down. Two sets of support rods (33) are respectively distributed at both ends of the first lifting plate (32), and the support rods (33) are mounted on the first lifting plate (33) through bearings. A lift plate (32), a support bar (331) is threadedly connected to the lower end of the support rod (33), an infrared sensor (36) is installed in the center of the support bar (331), and the infrared sensor (36) ) is provided with a transparent blocking plate (362) mounted on the support bar (331) at the lower end, the support bar (331) and the support bar (33) can extend into the inner bar groove (11), the support bar (331) The upper end of 33) is provided with a transmission wheel (332), the transmission wheel (332) is driven by a transmission belt (333), and the first motor (34) is used to drive one of the support rods (33) to rotate; the second The lifting assembly (4) includes an upper fixing plate (41), a lower fixing plate (42), a second lifting plate (43), a lifting column (44), a guide cylinder (45) and a jacking cylinder (46). The fixing plate (41) and the lower fixing plate (42) are connected by four uprights (47), the second lifting plate (43) is slidably arranged on the uprights (47), and the jacking cylinder (46) drives the first The two lifting plates (43) move up and down, the lifting column (44) can guide and slide in the guide cylinder (45) and is radially restricted by the guide cylinder (45), and the lower end of the lifting column (44) passes through the bearing Installed on the second lifting plate (43), the upper end of the lifting column (44) is connected with a beam (441), the outer end of the beam (441) is rotatably connected with a beam arm (442), and the beam (441) There is a second motor (443) driving the beam arm (442) to rotate, the lower end of the beam arm (442) is fixedly connected with the first fixing plate (31), and the rotating assembly (5) includes a fixed upper The fixed cylinder (51) of the plate (41), the guide cylinder (45) is rotatably arranged in the fixed cylinder (51) through the bearing, the lower end of the lifting column (44) is sleeved with a turning block (52), the The rotating block (52) connects the lifting column (44) and the rotating block (52) into one through the connecting ring (53), the vehicle body (2) is hinged with a rotating cylinder (54), and the rotating cylinder (54) lose The outlet end is hinged to the rotating block (52) through the elbow (55). 2. The grabbing mechanism of a cable fault inspection device according to claim 1, wherein a turntable (37) is installed on the support rod (33), and the turntable (37) is arranged on the first On the lower end of the lift plate (32), two shielding sheets (371) are evenly distributed in the circumferential direction of the turntable (37), and an infrared detection device (372) is installed at the lower end of the first lift plate (32). The infrared detection device (372) includes a transmitting end (373) and a receiving end (374). When the infrared rays emitted by the transmitting end (373) are blocked by the shielding sheet (371), the first motor (34) stops working. 3. The grasping mechanism of a cable fault inspection device according to claim 1, wherein a mounting hole (335) is provided in the lower end of the support bar (331), and the infrared sensor (36) ) abutting on the lower end of the first ring pad (361), the transparent blocking piece (362), the second ring pad (363) and the pressing piece (364) in sequence, and the pressing piece (364) is fixedly installed on the support by means of fasteners Article (331). 4. The grasping mechanism of a cable fault inspection device according to claim 1, wherein the inner end of the sleeve (311) is provided with a cavity, and the cavity penetrates the sleeve (311) The lower part of the sleeve (311) is screwed with a cover (312), the upper end of the lift shaft (321) is provided with a limit block (322) adapted to the cavity, the cover (322) 312) is provided with a notch for the lift shaft (321) to pass through. 5 . The grabbing mechanism of a cable fault inspection device according to claim 1 , wherein the support rods ( 33 ) are arranged on the first lifting plate ( 32 ) in a Z-shaped staggered manner, and the support rods The upper part of (33) is provided with a limiting sleeve (334). 6. The grasping mechanism of a cable fault inspection device according to claim 1, wherein the first motor (34) is mounted on the first lifting plate (32) through a motor connecting block (341), The first fixing plate (31) is provided with a groove for the first motor (34) and the motor connecting block (341) to pass through. 7. The grasping mechanism of a cable fault inspection device according to claim 1, wherein the grasping mechanism further comprises a positioning assembly (8), and the positioning assembly (8) includes a positioning plate (81). ), a positioning sleeve (82), the two ends of the positioning plate (81) are provided with ear seats (811), and the upper part of the positioning sleeve (82) is fixedly provided with a connecting part ( 821), a positioning hole (812) is opened on the positioning plate (81), a positioning box (83) is fixedly installed on the second lifting plate (43), and an electromagnetic clutch is arranged in the positioning box (83). (831), the iron core (832), the positioning rod (833) and the spring (834), the positioning box (83) is provided with a setting groove (835) for the positioning rod (833) to slide, and the positioning groove (835) (835) is provided with an abutment block (836), the positioning rod (833) is protruded with a flange (837), the spring (834) is sleeved on the positioning rod (833) and the two sides of the spring (834) The ends abut against the flange (837) and the abutment block (836) respectively, the positioning box (83) is provided with a mounting cover (838) at one end of the positioning box (83) close to the positioning hole (812), the positioning hole (812) and the positioning rod (833) to fit. 8 . The grasping mechanism of a cable fault inspection device according to claim 7 , wherein the positioning sleeve ( 82 ) is provided with an adjustment groove ( 822 ) and a locking hole communicating with the adjustment groove ( 822 ). 9 . (823), the positioning sleeve (82) is screwed to the locking hole (823) by the locking finger (824) so that the positioning sleeve (82) is fixed on the upright column (47).

Images