CN212825365U

CN212825365U - Openable and closable compression walking mechanism for parallel cable detection

Info

Publication number: CN212825365U
Application number: CN202020817656.3U
Authority: CN
Inventors: 赵淑娟
Original assignee: Chongqing Industry Polytechnic College
Current assignee: Chongqing Industry Polytechnic College
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-03-30
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses a running gear that compresses tightly that can open and shut for parallel cable detects mainly relates to cable detection technical field. Comprises a wheel carrier, a travelling wheel and a pinch roller; a waist-shaped hole is formed in the top plate on the outer side of the wheel frame, a wheel body placing groove is formed in the bottom plate on the outer side of the wheel frame, and limiting grooves are formed in the inner side surface and the bottom surface of the wheel body placing groove; a central shaft is arranged in the center of the pressing wheel, a limiting plate is arranged at the bottom of the central shaft, and the limiting plate is limited by a limiting groove and can only move up and down and left and right along the limiting groove; the top of center pin is equipped with the thread groove, and the pinch roller compresses tightly the cable behind walking wheel and pinch roller, thereby fixes the position of pinch roller with the jam bolt screw-in the thread groove screw-down. The beneficial effects of the utility model reside in that: the robot device capable of achieving detection and the cable rope can be conveniently mounted and dismounted, and meanwhile slipping between the robot device and the cable rope can be avoided in the process of detecting and walking of the cable rope.

Description

Openable and closable compression walking mechanism for parallel cable detection

Technical Field

The utility model relates to a cable detects technical field, specifically is a running gear that compresses tightly that can open and shut for parallel cable detects.

Background

Due to weather and other reasons, the aerial cable is easy to be corroded and rusted, so the aerial cable needs to be subjected to quality detection regularly, the existing detection mode adopts a robot to perform cruise detection on the cable, the existing cruise detection robot only meets the requirement of detecting one cable at a time, and for other cables, the distance between the two cables is basically constant, so that the two cables can be detected simultaneously in one cruise. To be applicable to parallel cable, can once only cruise and carry out the robot device that detects with two cables simultaneously, need a compressing and walking mechanism that can open and shut, make its installation and the dismantlement between the robot device that can convenient realization detected and the cable, can guarantee to avoid skidding between the cable at the cable detects the walking in-process simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can open and shut and compress tightly running gear for parallel cable detects, the robot device that its realization that can be convenient detected and the installation between the cable with dismantle, can guarantee simultaneously that detect the walking in-process at the cable avoid with the cable between skid.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

the openable and closable compaction travelling mechanism for detecting the parallel cable comprises a wheel carrier, a travelling wheel and a compaction wheel; the walking wheels are positioned on the inner side of the wheel carrier, waist-shaped holes are formed in a top plate on the outer side of the wheel carrier, a wheel body placing groove is formed in a bottom plate on the outer side of the wheel carrier, and limiting grooves are formed in the inner side surface and the bottom surface of the wheel body placing groove; the center of the pressing wheel is provided with a central shaft, the pressing wheel can rotate along the central shaft, the bottom of the central shaft is provided with a limiting plate, and the limiting plate is limited by a limiting groove and can only move up and down and left and right along the limiting groove; the top of center pin is equipped with the thread groove, and the pinch roller compresses tightly the cable behind walking wheel and pinch roller, thereby fixes the position of pinch roller with the jam bolt screw-in the thread groove screw-down.

The outer circles of the travelling wheels and the outer circles of the pressing wheels are provided with arc-shaped grooves which are matched with the diameters of the cables.

And the central shafts at the upper end and the lower end of the pinch roller are provided with isolating rings.

Contrast prior art, the beneficial effects of the utility model reside in that:

1. as shown in the attached figure 1 of the specification, after the pressing wheel presses the cable between the travelling wheel and the pressing wheel, the limiting plate is limited by the limiting groove, so that the central shaft cannot rotate, and at the moment, the pressing bolt is screwed into the thread groove and is screwed, so that the position of the pressing wheel can be fixed.

If need pull down the device from the cable, at first unscrew compression bolt from the thread groove, then slide pinch roller to wheel body standing groove one side, the limiting plate also slides to wheel body standing groove one side along the spacing groove this moment, when waiting for the pinch roller to slide directly over the wheel body standing groove, the pinch roller just can drop in the wheel body standing groove, this in-process limiting plate also slides downwards along the spacing groove, the outside of wheel carrier does not have the pinch roller spacing, just form an opening, the cable passes through opening remove device, thereby take off the device from the cable.

When the device is used for the parallel cable of next section again to detect if needs, because the pinch roller falls behind in the wheel body standing groove, form an opening on the wheel carrier, the cable place through this opening with the wheel carrier in with the walking wheel contact after, thereby lift the pinch roller again and take out from the wheel body standing groove, this in-process limiting plate also upwards slides along the spacing groove. Then the pinch roller slides to the walking wheel side, and the limiting plate slides to the walking wheel side along the limiting groove at the moment. The pinch roller compresses tightly the cable behind between walking wheel and pinch roller, because the spacing groove is spacing with the limiting plate, makes the center pin can not rotate, screws into the threaded groove with clamp bolt at this moment after screwing up, and this just can fix the position of pinch roller.

In conclusion, the device and the method can conveniently realize the installation and the disassembly between the robot device for detection and the cable, and meanwhile, the pressing wheel tightly presses the cable between the travelling wheel and the pressing wheel, so that the travelling wheel and the pressing wheel are tightly contacted with the surface of the cable, and the slipping between the travelling wheel and the cable can be avoided in the process of detecting and travelling the cable.

2. Because what set up on the roof in the wheel carrier outside is waist type hole, the distance between adjustment walking wheel and the pinch roller of the diameter size adaptability of cable can be according to in strip waist type hole, has guaranteed that this device can be applicable to the detection of different diameter cables.

Drawings

Fig. 1 is a schematic structural view of the present invention applied to a parallel cable detecting device.

Fig. 2 is a schematic structural view of the present invention applied to a parallel cable detecting device.

Fig. 3 is a schematic structural view of the middle telescopic adjustable transmission shaft mechanism of the present invention.

Fig. 4 is a schematic structural view of the middle pressing wheel of the present invention.

Fig. 5 is a schematic structural view of the middle pressing wheel of the present invention.

Fig. 6 is a schematic view of the structure of the middle wheel frame of the present invention.

Fig. 7 is a schematic view of the structure of the middle wheel frame of the present invention.

Reference numerals shown in the drawings:

1. a wheel carrier; 2. a traveling wheel; 3. a pinch roller; 4. a kidney-shaped hole; 5. a wheel body placing groove; 6. a limiting groove; 7. a central shaft; 8. a limiting plate; 9. a thread groove; 10. a hold-down bolt; 11. an arc-shaped slot; 12. an isolating ring; 13. a motor case; 14. a double-shaft servo motor; 15. the transmission shaft mechanism can be adjusted in a telescopic way; 16. a bevel gear transmission mechanism; 17. an upper detection frame; 18. a lower detection frame; 19. a connecting rod; 20. an upper semicircular frame; 21. a lower semicircular frame; 22. an inner barrel; 23. an outer cylinder; 24. an external spline shaft; 25. a flange; 26. a female spline shaft; 27. a baffle ring; 28. an inner spline groove; 29. adjusting the spring; 30. a drive bevel gear; 31. a driven bevel gear.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

Firstly, the following description is made on the parallel cable detection device: the main structure of the parallel cable detection device comprises a motor box 13 and an inspection mechanism; a double-shaft servo motor 14 is arranged in the motor box 13, and output shafts on two sides of the double-shaft servo motor 14 synchronously drive the inspection mechanisms on two sides to operate. The inspection mechanism comprises a telescopic adjusting transmission shaft mechanism 15, a bevel gear transmission mechanism 16, an openable and closable compaction walking mechanism and an inspection camera mechanism. Scalable regulation transmission shaft mechanism 15: comprises an inner cylinder 22 and an outer cylinder 23; an external spline shaft 24 in transmission connection with an output shaft of the double-shaft servo motor 14 is arranged in the inner cylinder 22, and a flange 25 is arranged at the tail end of the inner cylinder 22 far away from the motor box 131; an internal spline shaft 26 is arranged in the outer cylinder 23, and a baffle ring 27 is arranged at the tail end of the outer cylinder 23 close to the motor box 13; the external spline shaft 24 is matched with an internal spline groove 28 at the center of the internal spline shaft 26, and an adjusting spring 29 is arranged between the flange 25 and the retaining ring 27. Bevel gear transmission 16: the bevel gear mechanism comprises a drive bevel gear 30 and a driven bevel gear 31, wherein the drive bevel gear 30 is arranged at the tail end of the side, away from the motor box 131, of the internal spline shaft 26, and the driven bevel gear 31 is in meshed transmission with the drive bevel gear 30.

A running gear that compresses tightly that can open and shut for parallel cable detects, major structure includes wheel carrier 1, walking wheel 2 and pinch roller 3, wheel carrier 1 sets up in bevel gear drive 16 tops, and walking wheel 2 and 3 excircles of pinch roller all are equipped with the arc wall 11 that suits with the cable diameter, walking wheel 2 sets up at wheel carrier 1 inboard, the shaft and the driven bevel gear 31 of walking wheel 2 are connected, and driven bevel gear 31's rotation is driving the rotation of walking wheel 2. The wheel frame is characterized in that a waist-shaped hole 4 is formed in a top plate on the outer side of the wheel frame 1, a wheel body placing groove 5 is formed in a bottom plate on the outer side of the wheel frame 1, and limiting grooves 6 are formed in the inner side surface and the bottom surface of the wheel body placing groove 5. The center of the pressing wheel 3 is provided with a central shaft 7, the pressing wheel 3 can rotate along the central shaft 7, the bottom of the central shaft 7 is provided with a limiting plate 8, and the limiting plate 8 is limited by a limiting groove 6 and can only move up and down and left and right along the limiting groove 6. Be equipped with all on the center pin 7 at pinch roller 3 upper and lower both ends and be equipped with isolating ring 12, avoid pinch roller 3 upper and lower surface and wheel carrier 1's roof, bottom plate to take place contact friction, the top of center pin 7 is equipped with thread groove 9.

As shown in the attached figure 1 of the specification, after the pressing wheel 3 presses the cable between the travelling wheel 2 and the pressing wheel 3, the limiting plate 8 is limited by the limiting groove 6, so that the central shaft 7 cannot rotate, and at this time, after the pressing bolt 10 is screwed into the thread groove 9 and screwed, the position of the pressing wheel 3 can be fixed. If need be when dismantling the device from the cable, at first unscrew compression bolt 10 from thread groove 9, then slide pinch roller 3 to wheel body standing groove 5 one side, limiting plate 8 also slides to wheel body standing groove 5 one side along spacing groove 6 this moment, wait until pinch roller 3 slides directly over wheel body standing groove 5, pinch roller 3 just can drop in wheel body standing groove 5, limiting plate 8 also slides down along spacing groove 6 in this process, the outside of wheel carrier 1 is not spacing by pinch roller 3, just form a through hole, the cable passes through hole remove device, thereby take off the device from the cable.

When the device is needed to be used for detecting the next section of parallel cable again, because the hold-down roller 3 drops to the wheel body placing groove 5 in the back, the outside of the wheel carrier 1 does not have the hold-down roller 3 to form an opening, the cable is placed through this opening and is contacted with the walking wheel 2 in the wheel carrier 1, and then the hold-down roller 3 is lifted up, thereby taking out from the wheel body placing groove 5, and the limiting plate 8 also slides upwards along the limiting groove 6 in the process. Then the pinch roller 3 slides to the side of the walking wheel 2, and the limit plate 8 also slides to the side of the walking wheel 2 along the limit groove 6 at the moment. The pinch roller 3 compresses tightly the cable behind between walking wheel 2 and pinch roller 3, because spacing groove 6 is spacing with limiting plate 8, makes center pin 7 can not rotate, screws up in the thread groove 9 with clamp bolt 10 at this moment and screws up after, this position with pinch roller 3 is fixed.

In conclusion, the device and the method can conveniently realize the installation and the disassembly between the robot device for detection and the cable, and meanwhile, the pressing wheel 3 presses the cable between the travelling wheel 2 and the pressing wheel 3, so that the travelling wheel 2 and the pressing wheel 3 are tightly contacted with the surface of the cable, and the slipping between the robot device and the cable can be avoided in the process of detecting and travelling the cable.

In addition, because what set up on the roof in the wheel carrier 1 outside is waist type hole 4, distance between 2 and the pinch roller 3 can be walked according to the diameter size adaptability's of cable in strip waist type hole 4, has guaranteed that this device can be applicable to the detection of different diameter cables.

For the inspection camera shooting mechanism, the inspection camera shooting mechanism is arranged on the wheel carrier 1. The rear side of the wheel frame 1 is provided with a connecting rod 19, the connecting rod 19 is provided with an upper detection frame 17 and a lower detection frame 18, one end of each of the upper detection frame 17 and the lower detection frame 18 is rotatably connected with the connecting rod 19, the rotary connection can only rotate under the condition of forced rotation, and the rotation cannot be caused by the automation of the detection frames under the normal state. An upper semicircular frame 20 and a lower semicircular frame 21 are respectively arranged on the upper detection frame 17 and the lower detection frame 18, and detection cameras are arranged on the inner surfaces of the upper semicircular frame 20 and the lower semicircular frame 21 and used for detecting the cable. And the ends of the upper semicircular frame 20 and the lower semicircular frame 21 are respectively provided with an iron sheet and a magnetic sheet, so that the upper semicircular frame 20 and the lower semicircular frame 21 are mutually attracted and fixed through the magnetic force between the iron sheet and the magnetic sheet.

After the device is arranged on the parallel cables, the following principle is adopted for cable detection:

after the double-shaft servo motor 14 is started, the output shafts at the two ends of the double-shaft servo motor 14 drive the external spline shaft 24, the internal spline shaft 26 and the driving bevel gear 30 to rotate, and the driven bevel gears 31 drive the traveling wheels 2 to rotate through meshing transmission among the bevel gears, so that the device can move along the routing inspection cable, and the routing inspection camera mechanism is used for routing inspection to the cable. The distance between two cables is changed under the influence of weather such as wind power, but the outer spline shaft 24 and the inner spline shaft 26 are telescopic, the outer spline shaft 24 can move in the inner spline groove 28 in a telescopic mode, transmission connection between the inner spline shaft and the inner spline groove is not affected, the telescopic motion can be adjusted and reset in an adaptive mode through the arrangement of the adjusting spring 29, and the outer spline shaft 24 is prevented from sliding out of the inner spline groove 28. By using the method, the two cables are detected simultaneously in one-time cruising, and the operation is more stable.

Claims

1. A can open and shut and compress tightly running gear for parallel cable detects, its characterized in that: comprises a wheel carrier (1), a travelling wheel (2) and a pinch roller (3);

the walking wheels (2) are positioned on the inner side of the wheel carrier (1), waist-shaped holes (4) are formed in a top plate on the outer side of the wheel carrier (1), a wheel body placing groove (5) is formed in a bottom plate on the outer side of the wheel carrier (1), and limiting grooves (6) are formed in the inner side surface and the bottom surface of the wheel body placing groove (5);

a central shaft (7) is arranged in the center of the pressing wheel (3), the pressing wheel (3) can rotate along the central shaft (7), a limiting plate (8) is arranged at the bottom of the central shaft (7), and the limiting plate (8) is limited by a limiting groove (6) and can only move up and down and left and right along the limiting groove (6); the top end of the central shaft (7) is provided with a thread groove (9), after the pressing wheel (3) presses the cable between the travelling wheel (2) and the pressing wheel (3), a pressing bolt (10) is screwed into the thread groove (9) to be screwed, and therefore the position of the pressing wheel (3) is fixed.

2. The openable-closable hold-down traveling mechanism for parallel cable detection according to claim 1, wherein: the excircle of the travelling wheel (2) and the excircle of the pressing wheel (3) are both provided with arc-shaped grooves (11) which are matched with the diameter of the cable.

3. The openable-closable hold-down traveling mechanism for parallel cable detection according to claim 1, wherein: and the central shafts (7) at the upper end and the lower end of the pinch roller (3) are provided with isolating rings (12).