CN115231418B

CN115231418B - Angle-adjustable image acquisition device for mine hoist

Info

Publication number: CN115231418B
Application number: CN202210869681.XA
Authority: CN
Inventors: 宋红萍; 黄友锐; 韩涛
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2023-01-17
Anticipated expiration: 2042-07-22
Also published as: CN115231418A

Abstract

The invention relates to the technical field of image acquisition in a mine hoist, in particular to an angle-adjustable image acquisition device for the mine hoist, wherein an acquisition assembly comprises a rotating frame and an acquisition instrument, four groups of rollers are arranged on the rotating frame, the rollers are rotatably arranged on the inner circular wall of a detection lantern ring, the acquisition instrument is arranged on one side of the rotating frame, which is close to a winding rotating shaft, and the angle-adjustable image acquisition device has the advantages that: through setting up the telescopic link drive monitoring lantern ring, reach image acquisition device's horizontal propulsion, the winding trend for adaptation wire rope, the rotating turret that rotates the installation through the setting is used for the adaptation to carry out data acquisition to the wire rope of circumference winding state, guarantee through setting up fastening components and rotate the regulation back at the circumference, stabilize fixed mounting to image acquisition device, thereby provide clear, stable image acquisition data, be convenient for carry out the monitoring of high accuracy to wire rope, the safety in utilization of mine winder has been improved.

Description

Angle-adjustable image acquisition device for mine hoist

Technical Field

The invention relates to the technical field of internal image acquisition of mine hoists, in particular to an angle-adjustable image acquisition device for a mine hoist.

Background

The mine hoist is a large-scale hoisting mechanical device, and a motor drives the mechanical device to drive a steel wire rope so as to drive a container to lift in a shaft, thereby completing a conveying task.

In the prior art, the reason influencing the service life of the mine hoist is the strength of the steel wire rope, so that the steel wire rope needs to be detected in real time in the using process, the damage of the steel wire rope is avoided, and the maintenance is convenient and timely.

However, the mine hoist is of a roller-shaped structure, so that the internal space of the mine hoist is limited, the winding direction of the steel wire rope extends along the winding rotating shaft, the image acquisition equipment needs to be synchronously moved in the process of monitoring the appearance of the steel wire rope by utilizing the image acquisition equipment so as to be adapted to the position of the steel wire rope, and the angle and the position of the image acquisition equipment need to be synchronously adjusted, so that the information of the steel wire in the winding state can be conveniently and completely acquired, the position of the image acquisition equipment is difficult to fix in the conventional device, and the acquired image data is unclear.

Disclosure of Invention

The invention aims to provide an angle-adjustable image acquisition device for a mine hoist, which aims to solve the problem of omnibearing monitoring of a steel wire rope wound in the mine hoist.

In order to achieve the purpose, the invention provides the following technical scheme:

an adjustable angle image capture device for a mine hoist, the image capture device comprising:

the detection lantern ring is inserted into the mine hoist, a telescopic rod is arranged in the mine hoist, a winding rotating shaft for winding a hoisting pull rope is arranged in the mine hoist in a motor-driven mode, and the detection lantern ring is driven by the telescopic rod to be radially sleeved along the winding rotating shaft;

the acquisition assembly comprises a rotating frame and an acquisition instrument, four groups of rollers are arranged on the rotating frame, the rollers are rotatably arranged on the inner circular wall of the detection sleeve ring, and the acquisition instrument is arranged on one side of the rotating frame, which is close to the winding rotating shaft;

the screw rod bearing is rotatably inserted on the rotating frame, the lifting frame is vertically sleeved on the rotating frame, a threaded sleeve rotatably connected with the screw rod threads is arranged at the upper end of the lifting frame, the lower end of the lifting frame is located at the lower end of the rotating frame, four groups of clamping blocks in one-to-one correspondence with the idler wheels are arranged at the lower end of the lifting frame, first rubber sheets are arranged under the lifting frame, and second rubber sheets arranged in a gap mode with the first rubber sheets are arranged on the inner circular wall of the detection sleeve ring.

Preferably, the upper end of rotating turret is provided with the mounting bracket, driving motor fixed mounting is on the mounting bracket, gather the appearance and be the camera, gather and take light filling device in the appearance certainly.

Preferably, one end of the telescopic rod is fixed on the inner wall of the mine hoist, the other end of the telescopic rod is fixed on the side wall of the detection lantern ring, and the outer wall of the detection lantern ring is in sliding fit with the arc-shaped side wall of the mine hoist.

Preferably, be provided with the gyro wheel groove that corresponds with the gyro wheel of four group's symmetric distributions on the circular arc inner wall of the detection lantern ring, be provided with the spacing groove in the middle of the circular arc inner wall of the detection lantern ring, fixed mounting has the spacing ring in the spacing groove, and the centre of spacing ring runs through and is provided with the annular ring groove that runs through of ring, the vertical montant that extends to in running through the ring groove that is provided with of lower extreme of crane, the tip at the montant is fixed to first sheet rubber, the second sheet rubber bonds on the inner wall that runs through the ring groove.

Preferably, a T-shaped block is fixedly mounted at the position of the middle port of the limiting ring, a transverse plate of the T-shaped block is pressed on the inner wall of the limiting ring, the vertical rod penetrates through the T-shaped block in a sliding mode, and a connecting rod connected with the rotating frame is arranged on the outer wall of the T-shaped block.

Preferably, the upper end of the clamping block is provided with a square rod-shaped positioning rod, the lower end face of the rotating frame is provided with a positioning insertion hole which is sunken upwards, the upper end of the positioning rod is inserted into the positioning insertion hole, and the lower end of the clamping block is opposite to the roller.

Preferably, the middle of the lower end of the fixture block is provided with a limiting protrusion, the lower end of the roller is pressed in the roller groove, the outer wall of the middle arc of the roller is provided with a plurality of groups of limiting holes distributed in a circumferential array, and the lower end of the limiting protrusion is opposite to the limiting holes.

Preferably, be provided with the crossbeam in the middle of the inner chamber of mounting bracket, the upper end of crane is located the upper end of crossbeam, is provided with respectively on the upper end diaphragm of crane and inserts the post and insert the post down, the upper end screw thread of thread bush cup joints on the outer wall of lead screw, the lower extreme of thread bush be provided with insert post complex guiding hole on.

Preferably, the lower inserting column vertically slides to penetrate through the cross beam, a spring is sleeved on the outer wall of the lower inserting column, and the spring is pressed between the threaded sleeve and the cross beam.

Preferably, the circular arc inner walls of the two sides of the detection lantern ring are symmetrically provided with gear rings, the two sides of the rotating frame are provided with driving gears driven by a motor, and the driving gears are meshed with the gear rings.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the monitoring lantern ring is driven by the telescopic rod to achieve the transverse propulsion of the image acquisition device and is used for adapting to the winding direction of the steel wire rope, the rotating frame which is rotatably installed is used for adapting to data acquisition of the steel wire rope in a circumferentially wound state, and the fastening assembly is arranged to ensure that the image acquisition device is stably and fixedly installed after circumferential rotation adjustment, so that clear and stable image acquisition data are provided, the high-precision monitoring of the steel wire rope is facilitated, and the use safety of the mine hoist is improved.

Drawings

FIG. 1 is a schematic view of the mounting structure of the detection collar of the present invention;

FIG. 2 is a schematic perspective view of a detection collar of the present invention;

FIG. 3 is a cross-sectional view of a detection collar of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 3;

FIG. 5 is an enlarged view of the structure at B in FIG. 3;

FIG. 6 is an enlarged view of the structure at C in FIG. 3;

fig. 7 is a schematic perspective view of the crane of the present invention.

In the figure: 1. a mine hoist; 2. detecting the lantern ring; 3. winding the rotating shaft; 4. a telescopic rod; 5. a ring gear; 6. a roller groove; 7. a limiting groove; 8. a rotating frame; 9. a limiting ring; 10. the circular groove is penetrated; 11. an acquisition instrument; 12. a mounting frame; 13. positioning the jack; 14. a roller; 15. a driving gear; 16. a lifting frame; 17. a limiting hole; 18. a clamping block; 19. a drive motor; 20. a screw rod; 21. a threaded sleeve; 22. a spring; 23. a guide hole; 24. inserting a column upwards; 25. inserting a column downwards; 26. positioning a rod; 27. a limiting bulge; 28. a T-shaped block; 29. a connecting rod; 30. a vertical rod; 31. a first rubber sheet; 32. a second rubber sheet; 33. a cross member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 7, the present invention provides a technical solution:

example 1:

the utility model provides an image acquisition device of adjustable angle for mine elevator, image acquisition device is including detecting lantern ring 2, collection subassembly and fastening components.

Detect the lantern ring 2 and peg graft in mine winder 1, be provided with telescopic link 4 in the mine winder 1, be provided with the winding pivot 3 of motor drive winding promotion stay cord in the mine winder 1, detect the lantern ring 2 and radially cup joint along winding pivot 3 under the drive of telescopic link 4, the one end of telescopic link 4 is fixed on mine winder 1's inner wall, the other end of telescopic link 4 is fixed on the lateral wall that detects the lantern ring 2, the outer wall that detects the lantern ring 2 slides the circular arc lateral wall that laminates mine winder 1.

The telescopic rod 4 drives the detection lantern ring 2 to transversely and stably move so as to adapt to the trend of the steel wire rope wound on the winding rotating shaft 3, and the image information of the steel wire rope wound in multiple circles is convenient to acquire.

The collection assembly comprises a rotating frame 8 and a collection instrument 11, four groups of rollers 14 are arranged on the rotating frame 8, the rollers 14 are rotatably installed on the inner wall of the circular arc of the detection lantern ring 2, and the collection instrument 11 is arranged on one side, close to the winding rotating shaft 3, of the rotating frame 8.

Through the rotation that sets up the rotating turret 8 to be convenient for carry out circumference angle's regulation to gathering the appearance 11, be convenient for carry out circumference angle's image acquisition to single circle wire rope.

The fastening assembly comprises a lifting frame 16 and a screw rod 20 driven by a driving motor 19, the screw rod 20 is rotatably inserted on the rotating frame 8 through a bearing, the lifting frame 16 is vertically sleeved on the rotating frame 8, a thread sleeve 21 in threaded rotation connection with the screw rod 20 is arranged at the upper end of the lifting frame 16, the lower end of the lifting frame 16 is located at the lower end of the rotating frame 8, four groups of clamping blocks 18 in one-to-one correspondence with the rollers 14 are arranged at the lower end of the lifting frame 16, a first rubber sheet 31 is arranged under the lifting frame 16, and a second rubber sheet 32 in clearance arrangement with the first rubber sheet 31 is arranged on the inner circular arc wall of the detection lantern ring 2.

The screw rod 20 driven by the driving motor 19 rotates, and then the thread bush 21 is driven to downwards extrude the lifting frame 16, so that the clamping block 18 is clamped on the roller 14, the first rubber sheet 31 is downwards pressed on the second rubber sheet 32, the rotating frame 8 is stably fixed on any circumferential angle of the circular arc inner wall of the detection sleeve ring 2, stable and high-precision image data can be conveniently collected, high-precision monitoring on a steel wire rope is facilitated, and the use safety of the mine hoist 1 is improved.

Example 2:

on the basis of embodiment 1, in order to realize the automatic rotation adjustment of the rotating frame 8, gear rings 5 are symmetrically arranged on the inner circular walls of the two sides of the detection lantern ring 2, driving gears 15 driven by a motor are arranged on the two sides of the rotating frame 8, and the driving gears 15 are meshed with the gear rings 5.

The driving gear 15 is driven to rotate by the motor, so that the circumferential rotation angle is adjusted by meshing the driving gear 15 on the gear ring 5.

Example 3:

on the basis of embodiment 2, in order to realize clear image acquisition, the upper end of the rotating frame 8 is provided with an installation frame 12, a driving motor 19 is fixedly installed on the installation frame 12, the acquisition instrument 11 is a camera, and the acquisition instrument 11 is internally provided with a light supplementing device.

By arranging the light supplementing strips and fixedly mounting the acquisition instrument 11 on the mounting frame 12, a clear image acquisition environment is provided.

Example 4:

on the basis of embodiment 3, in order to further limit the rotation position of the rotating frame 8 and avoid generating position deviation, the roller groove 6 corresponding to the four groups of symmetrically distributed rollers 14 is further arranged on the inner circular wall of the detection lantern ring 2, the limiting groove 7 is arranged in the middle of the inner circular wall of the detection lantern ring 2, the limiting ring 9 is fixedly arranged in the limiting groove 7, the circular ring-shaped through circular groove 10 is arranged in the middle of the limiting ring 9 in a penetrating manner, the vertical rod 30 extending into the through circular groove 10 is vertically arranged at the lower end of the lifting frame 16, the first rubber sheet 31 is fixed at the end of the vertical rod 30, and the second rubber sheet 32 is adhered to the inner wall of the through circular groove 10.

The roller groove 6 is arranged to limit the position of the roller 14, and the matching of the through circular groove 10 and the vertical rod 30 is arranged to limit the middle position of the rotating frame 8, so that the rotating frame 8 keeps stable rotation in the detection lantern ring 2.

Example 5:

on the basis of embodiment 4, in order to avoid the rotating frame 8 from falling off from the detection lantern ring 2 due to gravity, a T-shaped block 28 is fixedly installed at the middle port position of the limiting ring 9, a transverse plate of the T-shaped block 28 is pressed on the inner wall of the limiting ring 9, a vertical rod 30 penetrates through the T-shaped block 28 in a sliding manner, and a connecting rod 29 connected with the rotating frame 8 is arranged on the outer wall of the T-shaped block 28.

Realize the fixed connection of T-shaped piece 28 and rotating turret 8 through connecting rod 29, utilize the dislocation pressfitting of T-shaped piece 28 and spacing ring 9 to realize rotating turret 8 and run through the dislocation between the ring groove 10 and cup joint, thereby avoid rotating turret 8 to cause owing to gravity and drop.

Example 6:

on the basis of embodiment 1, in order to further improve the lifting stability of the latch 18 and avoid the generation of offset, a positioning rod 26 in the shape of a square rod is arranged at the upper end of the latch 18, a positioning insertion hole 13 which is recessed upwards is arranged on the lower end surface of the rotating frame 8, the upper end of the positioning rod 26 is inserted into the positioning insertion hole 13, and the lower end of the latch 18 is opposite to the roller 14.

Through the cooperation of setting up locating lever 26 and location jack 13, inject the lift position of fixture block 18, guarantee that fixture block 18 keeps vertical steady lift block.

Example 7:

on the basis of embodiment 6, in order to further improve the limiting effect on the roller 14, a limiting protrusion 27 is further disposed in the middle of the lower end of the fixture block 18, the lower end of the roller 14 is pressed in the roller groove 6, a plurality of sets of limiting holes 17 distributed in a circumferential array are disposed on the outer wall of the middle arc of the roller 14, and the lower end of the limiting protrusion 27 is opposite to the limiting holes 17.

When the lifting frame 16 descends, the clamping block 18 is pressed on the roller 14 for limiting, the clamping block 18 and the roller 14 are inserted in a staggered mode through the matching of the limiting protrusion 27 on the limiting hole 17, the limiting effect on the roller 14 is further improved, and the clamping limiting is avoided depending on the friction force.

Example 8:

on the basis of embodiment 1, in order to improve the position accuracy of the thread bush 21 and avoid causing deviation when the threads rotate, the thread bush mounting structure further comprises a cross beam 33 arranged in the middle of the inner cavity of the mounting frame 12, the upper end of the lifting frame 16 is positioned at the upper end of the cross beam 33, an upper inserting column 24 and a lower inserting column 25 are respectively arranged on an upper end transverse plate of the lifting frame 16, the upper end threads of the thread bush 21 are sleeved on the outer wall of the screw rod 20, and the lower end of the thread bush 21 is provided with a guide hole 23 matched with the upper inserting column 24.

Through the matched insertion of the upper insertion column 24 and the guide hole 23, the position between the lower end of the thread bush 21 and the lifting frame 16 is limited, and the thread bush 21 vertically extrudes the lifting frame 16.

Example 9:

on the basis of embodiment 8, in order to realize the automatic reset of the lifting frame 16, the lower inserting column 25 vertically slides to penetrate through the cross beam 33, the outer wall of the lower inserting column 25 is sleeved with the spring 22, and the spring 22 is pressed between the threaded sleeve 21 and the cross beam 33.

Through the arrangement of the spring 22, in the resetting process of the screw rod 22, the automatic rising resetting of the lifting frame 16 is realized through the resetting elasticity of the spring 22, and the position adjustment can be conveniently carried out for multiple times.

The acquisition instrument 11 is a camera, the driving motor 19, the telescopic rod 4 and the motor driving the driving gear 15 to rotate are all common devices in the field and are not described in detail.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mine is adjustable angle's image acquisition device for lifting machine which characterized in that: the image acquisition device includes:

the detection device comprises a detection lantern ring (2), wherein the detection lantern ring (2) is inserted into a mine hoist (1), a telescopic rod (4) is arranged in the mine hoist (1), a winding rotating shaft (3) for winding a hoisting pull rope is driven by a motor in the mine hoist (1), and the detection lantern ring (2) is radially sleeved along the winding rotating shaft (3) under the driving of the telescopic rod (4);

the collecting assembly comprises a rotating frame (8) and a collecting instrument (11), four groups of rollers (14) are arranged on the rotating frame (8), the rollers (14) are rotatably arranged on the inner circular wall of the detection lantern ring (2), and the collecting instrument (11) is arranged on one side, close to the winding rotating shaft (3), of the rotating frame (8);

the fastening assembly comprises a lifting frame (16) and a screw rod (20) driven by a driving motor (19), a bearing of the screw rod (20) is rotatably inserted into the rotating frame (8), the lifting frame (16) is vertically sleeved on the rotating frame (8), a thread sleeve (21) in threaded rotation connection with the screw rod (20) is arranged at the upper end of the lifting frame (16), the lower end of the lifting frame (16) is located at the lower end of the rotating frame (8), four clamping blocks (18) in one-to-one correspondence with the idler wheels (14) are arranged at the lower end of the lifting frame (16), a first rubber sheet (31) is arranged under the lifting frame (16), and a second rubber sheet (32) in clearance with the first rubber sheet (31) is arranged on the inner circular arc wall of the detection sleeve ring (2).

2. The adjustable angle image acquisition device for the mine hoist of claim 1, wherein: the upper end of rotating frame (8) is provided with mounting bracket (12), driving motor (19) fixed mounting is on mounting bracket (12), gather appearance (11) and be the camera, gather and take light filling device certainly in appearance (11).

3. The adjustable angle image acquisition device for the mine hoist of claim 1, wherein: one end of the telescopic rod (4) is fixed on the inner wall of the mine hoist (1), the other end of the telescopic rod (4) is fixed on the side wall of the detection lantern ring (2), and the outer wall of the detection lantern ring (2) is in sliding fit with the arc side wall of the mine hoist (1).

4. The adjustable angle image acquisition device for the mine hoist of claim 1, wherein: the utility model discloses a set up the gyro wheel groove (6) that correspond with gyro wheel (14) of four group's symmetric distributions on the circular arc inner wall of detection lantern ring (2), be provided with spacing groove (7) in the middle of the circular arc inner wall of detection lantern ring (2), fixed mounting has spacing ring (9) in spacing groove (7), and the centre of spacing ring (9) is run through and is provided with the annular ring groove (10) that runs through of circle, the vertical montant (30) that extend to in running through ring groove (10) that is provided with of lower extreme of crane (16), the tip at montant (30) is fixed in first sheet rubber (31), second sheet rubber (32) bond on the inner wall that runs through ring groove (10).

5. The adjustable angle image acquisition device for the mine hoist of claim 4, wherein: the middle port position fixed mounting of spacing ring (9) has T-shaped piece (28), and the diaphragm pressfitting of T-shaped piece (28) is on the inner wall of spacing ring (9), montant (30) slide and run through T-shaped piece (28), are provided with connecting rod (29) of connecting rotating turret (8) on the outer wall of T-shaped piece (28).

6. The adjustable angle image acquisition device for the mine hoist of claim 1, characterized in that: the upper end of the clamping block (18) is provided with a square rod-shaped positioning rod (26), the lower end face of the rotating frame (8) is provided with an upward-concave positioning insertion hole (13), the upper end of the positioning rod (26) is inserted into the positioning insertion hole (13), and the lower end of the clamping block (18) is opposite to the roller (14).

7. The adjustable angle image acquisition device for the mine hoist of claim 6, wherein: the middle of the lower end of the clamping block (18) is provided with a limiting bulge (27), the lower end of the roller (14) is pressed in the roller groove (6), the outer wall of a middle arc of the roller (14) is provided with a plurality of groups of limiting holes (17) distributed in a circumferential array, and the lower end of the limiting bulge (27) is over against the limiting holes (17).

8. The adjustable angle image acquisition device for the mine hoist of claim 2, wherein: be provided with crossbeam (33) in the middle of the inner chamber of mounting bracket (12), the upper end of crane (16) is located the upper end of crossbeam (33), is provided with on the upper end diaphragm of crane (16) respectively and inserts post (24) and insert post (25) down, the upper end screw thread of thread bush (21) cup joints on the outer wall of lead screw (20), and the lower extreme of thread bush (21) is provided with and inserts post (24) complex guiding hole (23) on with.

9. The adjustable angle image capturing device of claim 8, wherein: the lower inserting column (25) vertically slides to penetrate through the cross beam (33), the outer wall of the lower inserting column (25) is sleeved with a spring (22), and the spring (22) is pressed between the threaded sleeve (21) and the cross beam (33).

10. The adjustable angle image acquisition device for the mine hoist of claim 1, wherein: the detection device is characterized in that circular arc inner walls on two sides of the detection sleeve ring (2) are symmetrically provided with gear rings (5), driving gears (15) driven by a motor are arranged on two sides of the rotating frame (8), and the driving gears (15) are meshed with the gear rings (5).