阅读说明：本技术 一种新型立辊式托辊防跑偏装置 (Novel vertical roller type roller anti-deviation device ) 是由 李烨 于 2021-08-04 设计创作，主要内容包括：本发明公开一种新型立辊式托辊防跑偏装置,包括转轴式锥形托辊装置、液压动力装置及立辊装置；转轴式锥形托辊装置包括左右两侧锥形托辊、中间圆柱托辊、托辊支撑架、与带式输送机支架联接处的转轴装置、安装在转轴处的角位移传感器；液压动力装置包括下端液压缸动力部、上端液压缸转动部、带滑块的液压推杆；立辊装置包括立辊支架、转动轴、托辊。本装置在输送带跑偏时,转轴式锥形托辊装置由于锥形托辊两端直径不同,从而带动托辊支撑架转动,达到初次纠偏；液压动力装置中下端液压缸动力部控制推杆伸缩,上端液压缸转动部控制推杆转动,当角位移传感器检测到转轴式锥形托辊装置角度变动时,控制液压缸动作,使立辊压向输送带,达到二次纠偏。(The invention discloses a novel vertical roller type carrier roller deviation preventing device which comprises a rotating shaft type conical carrier roller device, a hydraulic power device and a vertical roller device, wherein the rotating shaft type conical carrier roller device is connected with the vertical roller device through a connecting rod; the rotating shaft type conical carrier roller device comprises left and right conical carrier rollers, a middle cylindrical carrier roller, a carrier roller support frame, a rotating shaft device at the joint of the supporting frame of the belt conveyor and an angular displacement sensor arranged at the rotating shaft; the hydraulic power device comprises a lower end hydraulic cylinder power part, an upper end hydraulic cylinder rotating part and a hydraulic push rod with a slide block; the vertical roll device comprises a vertical roll bracket, a rotating shaft and a carrier roller. When the conveying belt deviates, the rotating shaft type conical carrier roller device drives the carrier roller supporting frame to rotate due to the fact that the diameters of two ends of the conical carrier roller are different, and primary deviation rectification is achieved; the power part of a hydraulic cylinder at the lower end of the hydraulic power device controls the push rod to stretch, the rotating part of the hydraulic cylinder at the upper end controls the push rod to rotate, and when the angular displacement sensor detects the angle change of the rotating shaft type conical carrier roller device, the hydraulic cylinder is controlled to act, so that the vertical roller is pressed to the conveying belt, and secondary deviation correction is achieved.)

1. A novel vertical roller type carrier roller deviation preventing device comprises a rotating shaft type conical carrier roller device, a hydraulic power device and a vertical roller device; the rotary shaft type conical carrier roller device comprises a conical carrier roller (4) and a cylindrical carrier roller (5) which are arranged on a carrier roller bracket (6), wherein the carrier roller bracket (6) is connected with a bearing inner ring, a bracket (7) welded on the conveying belt bracket (1) is connected with a bearing outer ring, and the carrier roller bracket (6) and the bracket (7) can rotate relatively; the hydraulic power device comprises a hydraulic cylinder support (8) connected with the conveying belt support (1) through bolts, the hydraulic cylinder comprises a lower hydraulic cylinder power part (9) and an upper hydraulic cylinder rotating part (10) which are connected through flange plate bolts and are arranged on the hydraulic cylinder support (8), and a hydraulic push rod (17) slides in the lower hydraulic cylinder power part (9) and the upper hydraulic cylinder rotating part (10); the vertical roll device is composed of a vertical roll support (3) connected with a hydraulic push rod (17) through threads and a vertical roll (2) installed on the vertical roll support (3).

2. The novel vertical roller type carrier roller deviation preventing device as claimed in claim 1, wherein: an angular displacement sensor is arranged at the relative rotation position of the carrier roller bracket (6) and the bracket (7).

3. The novel vertical roller type carrier roller deviation preventing device as claimed in claim 1, wherein: the lower end hydraulic cylinder power part (9) is connected with the upper end hydraulic cylinder rotating part (10) through flanges (13) and (15) through bolts, and the hydraulic push rod (17) slides in the lower end hydraulic cylinder power part (9) and the upper end hydraulic cylinder rotating part (10).

4. The novel vertical roller type carrier roller deviation preventing device as claimed in claim 3, wherein: the hydraulic push rod (17) is welded with 2 sliding blocks (18), and the top of the hydraulic push rod (17) is provided with left-handed thread external threads.

5. The novel vertical roller type carrier roller deviation preventing device as claimed in claim 3, wherein: the lower end hydraulic cylinder power part (9) is composed of a lower flange (14), an upper flange (13) and two oil outlet and return ports, the upper end hydraulic cylinder rotating part (10) is composed of a lower flange (15) and a pair of symmetrical spiral chutes (16), the number of spiral turns of the spiral chutes (16) is 0.25, and the thread pitch is the stroke of the hydraulic cylinder.

6. The novel vertical roller type carrier roller deviation preventing device as claimed in claim 1, wherein: the vertical roll device is composed of a vertical roll support (3) and a carrier roller (2), and a left-hand internal thread is arranged at the end part of the vertical roll support (3).

7. The novel vertical roller type carrier roller deviation preventing device as claimed in claim 1, wherein: the vertical roll support (3) is connected with the hydraulic push rod (17) through left-handed threads, so that the connection between the vertical roll support (3) and the hydraulic push rod (17) is prevented from loosening when the vertical roll extrudes the conveying belt.

8. The novel vertical roller type carrier roller deviation preventing device as claimed in claim 2, wherein: PLC gathers bearing roller support (6) and support (7) relative rotation department angle displacement sensor signal, according to the distance that the size control pneumatic cylinder of turned angle stretches out, adjustment edger roll device turned angle.

Technical Field

The invention relates to an anti-deviation device of a belt conveyor, in particular to a novel vertical roller type carrier roller anti-deviation device.

Background

The belt conveyer is a friction-driven machine for continuously conveying material, and is a conveying equipment for mine, port and metallurgy industries in the field of heavy machinery. Mainly comprises a frame, a conveying belt, a carrier roller, a tensioning device, a transmission device and the like. The material conveying device can form a material conveying flow path from an initial feeding point to a final discharging point on a certain conveying line.

In the working process of the belt conveyor, the deviation of the conveying belt is often caused by inconsistent tension on two sides of the conveying belt or non-centered materials, the materials are scattered if the deviation is light, and accidents such as belt tearing, parking, production stopping and the like of the conveying belt are caused if the deviation is heavy.

The common conical carrier roller rotating shaft type deviation-preventing device can play a certain deviation-preventing role, but sliding friction is generated between a conveying belt and a carrier roller during deviation correction, so that internal consumption is increased; the edger of off tracking device is prevented to common edger roll formula bearing roller is fixed motionless, passive messenger's conveyer belt return, and efficiency is not high, and long-time and conveyer belt edge contact, lead to the conveyer belt fluff, damage with higher speed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a novel vertical roller type carrier roller deviation prevention device, when a belt conveyor deviates, a rotating shaft type conical carrier roller device rotates to perform primary deviation correction, an angular displacement sensor positioned at a rotating shaft of the rotating shaft type conical carrier roller device detects a rotating angle and controls a power part of a hydraulic cylinder at the lower end of a hydraulic power device to act through a PLC (programmable logic controller), and a hydraulic push rod is pushed out; the inner wall of the rotating part of the upper hydraulic cylinder in the hydraulic power device is provided with a pair of symmetrical spiral chutes, the number of spiral turns is 0.25, and the thread pitch is the stroke of the power part of the lower hydraulic cylinder; the spiral chute cooperates with hydraulic push rod slider, produces when the hydraulic stem stretches out and rotates, and the biggest corner is 90, makes the edger roll device press to the conveyer belt, realizes that the conveyer belt prevents the off tracking automatically, and this is the secondary and rectifies a deviation. The two-time deviation correction shortens the deviation correction time of the conveying belt, and reduces internal consumption caused by relative sliding of the conveying belt and the carrier roller in the primary deviation correction. When the conveying belt returns to the original position, the rotating shaft type conical carrier roller device resets, the hydraulic cylinder retracts, and the vertical roller device rotates to leave the conveying belt.

The invention adopts the following scheme: the novel vertical roller type carrier roller deviation preventing device comprises a rotating shaft type conical carrier roller device, a hydraulic power device and a vertical roller device;

the rotary shaft type conical carrier roller device comprises a conical carrier roller and a cylindrical carrier roller which are arranged on a carrier roller bracket, the carrier roller bracket is connected with a bearing inner ring, the bracket welded on the conveying belt bracket is connected with a bearing outer ring, and the carrier roller bracket and the bracket can rotate relatively;

the hydraulic power device comprises a hydraulic cylinder support connected with the conveying belt support through a bolt, the hydraulic cylinder comprises a lower hydraulic cylinder power part and an upper hydraulic cylinder rotating part which are connected through a flange plate bolt and are arranged on the hydraulic cylinder support, and a hydraulic push rod slides in the lower hydraulic cylinder power part and the upper hydraulic cylinder rotating part;

the vertical roll device is composed of a vertical roll support connected with the hydraulic push rod through threads and a vertical roll arranged on the vertical roll support.

Further, an angular displacement sensor is arranged at the relative rotation position of the carrier roller bracket and the bracket.

Furthermore, the hydraulic cylinder is divided into a lower end hydraulic cylinder power part and an upper end hydraulic cylinder rotating part, the lower end hydraulic cylinder power part and the upper end hydraulic cylinder rotating part are connected through a flange and a bolt, and the hydraulic push rod slides in the lower end hydraulic cylinder power part and the upper end hydraulic cylinder rotating part.

Furthermore, the hydraulic push rod is welded with 2 sliding blocks, and the top of the hydraulic push rod is provided with left-handed thread external threads.

Furthermore, the power part of the lower end hydraulic cylinder consists of a lower flange, an upper flange, two oil outlet openings and two oil return openings, the rotating part of the upper end hydraulic cylinder consists of the lower flange and a pair of symmetrical spiral chutes, the number of spiral turns of the spiral chutes is 0.25, and the thread pitch is the stroke of the hydraulic cylinder.

Furthermore, the vertical roll device is composed of a vertical roll support and a carrier roller, and a left-hand internal thread is arranged at the end part of the vertical roll support.

Furthermore, the vertical roll support and the hydraulic push rod are connected through left-hand threads, and the connection position of the vertical roll support and the hydraulic push rod is prevented from being loosened when the vertical roll extrudes the conveying belt.

Furthermore, PLC gathers bearing roller support and support relative rotation department angle displacement sensor signal, according to the distance that the rotation angle size control pneumatic cylinder stretches out.

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

(1) by arranging the rotating shaft type conical carrier roller device and the vertical roller device, the novel vertical roller carrier roller deviation preventing device can perform twice deviation correction on a conveying belt, so that the deviation correction efficiency is improved;

(2) the hydraulic power device is different from a common hydraulic cylinder and is divided into a lower hydraulic cylinder power part and an upper hydraulic cylinder rotating part, and pushing and rotating of the hydraulic push rod can be realized at the same time, so that the hydraulic cylinder can be vertically installed, and the phenomenon that a large amount of space is occupied by transverse installation is avoided;

(3) the angular displacement sensor of pivot department in the toper bearing roller device of pivot formula detects turned angle and feeds back to PLC, and control hydraulic push rod reach controls edger unit turned angle, and the power that the edger pressed tightly the conveyer belt promptly can carry out automatic control, and is nimble reliable according to the off tracking degree.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present invention;

FIG. 2 is a schematic view of the power section of the lower hydraulic cylinder of the hydraulic power unit of the present invention;

FIG. 3 is a schematic view of the upper hydraulic cylinder rotating part of the hydraulic power unit according to the present invention;

figure 4 is a schematic view of the vertical roll apparatus of the present invention.

In the figure: 1. a conveyor belt support; 2. vertical rolls; 3. a vertical roll support; 4. a conical carrier roller; 5. a cylindrical carrier roller; 6. a carrier roller bracket; 7. a support; 8. a hydraulic cylinder bracket; 9. a lower end hydraulic cylinder power part; 10. an upper end hydraulic cylinder rotating part; 11. A lower end hydraulic cylinder power part cylinder body; 12. a hydraulic oil port; 13. an upper flange of a power part of the lower hydraulic cylinder; 14. a lower flange of the power part of the lower hydraulic cylinder; 15. a flange of a rotating part of the upper hydraulic cylinder; 16. the upper end hydraulic cylinder rotating part chute; 17. a hydraulic push rod; 18. a slider; 19. a hydraulic piston.

Detailed Description

The features and principles of the present invention will be described in detail below with reference to the accompanying drawings, which illustrate embodiments of the invention and are not intended to limit the scope of the invention.

As shown in fig. 1, 2, 3 and 4, the novel vertical roller type idler deviation preventing device comprises a rotating shaft type conical idler device, a hydraulic power device and a vertical roller device;

the rotary shaft type conical carrier roller device comprises a conical carrier roller 4 and a cylindrical carrier roller 5 which are arranged on a carrier roller bracket 6, the carrier roller bracket 6 is connected with a bearing inner ring, a bracket 7 welded on the conveyor belt bracket 1 is connected with a bearing outer ring, and the carrier roller bracket 6 and the bracket 7 can rotate relatively; the hydraulic power device comprises a hydraulic cylinder support 8 connected with the conveying belt support 1 through a bolt, the hydraulic cylinder comprises a lower hydraulic cylinder power part 9 and an upper hydraulic cylinder rotating part 10 which are connected through a flange plate bolt and are arranged on the hydraulic cylinder support 8, and a hydraulic push rod 17 slides in the lower hydraulic cylinder power part 9 and the upper hydraulic cylinder rotating part 10; the vertical roll device is composed of a vertical roll bracket 3 connected with a hydraulic push rod 17 through threads and a vertical roll 2 installed on the vertical roll bracket 3.

An angular displacement sensor is arranged at the relative rotation position of the carrier roller bracket 6 and the bracket 7.

The hydraulic cylinder is divided into a lower end hydraulic cylinder power part 9 and an upper end hydraulic cylinder rotating part 10 which are connected through flanges 13 and 15 by bolts, and a hydraulic push rod 17 slides in the lower end hydraulic cylinder power part 9 and the upper end hydraulic cylinder rotating part 10; 2 sliding blocks 18 are welded on the hydraulic push rod 17, and the top of the hydraulic push rod 17 is provided with left-handed thread external threads; the end part of the vertical roll support 3 is provided with a left-handed internal thread which is connected with the hydraulic push rod 17 by the left-handed thread, so that the connection part of the vertical roll support 3 and the hydraulic push rod 17 is prevented from loosening when the vertical roll extrudes the conveying belt.

The lower end hydraulic cylinder power part 9 consists of a lower flange 14, an upper flange 13 and two oil outlet and return ports, the upper end hydraulic cylinder rotating part 10 consists of a lower flange 15 and a pair of symmetrical spiral chutes 16, the number of spiral turns of the spiral chutes 16 is 0.25, and the thread pitch is the stroke of the hydraulic cylinder; when the PLC collects the angular displacement sensor signals at the relative rotation position of the carrier roller support 6 and the support 7, the extending distance of the hydraulic cylinder is controlled according to the rotation angle, and the rotation angle of the vertical roller device is adjusted.

When the belt conveyor deviates, the diameters of two ends of the conical carrier roller 4 in the rotating shaft type conical carrier roller device are greatly different, and when the carrier roller is driven by the conveying belt to rotate, the linear speed of the contact part of the big end and the small end of the carrier roller and the conveying belt is different, so that a force for driving the carrier roller frame to rotate along the rotating shaft is generated, the rotating shaft type conical carrier roller device automatically rotates for a certain angle, the deviation of the deviated conveying belt is corrected for the first time in time, and the deviation degree is prevented from being intensified; an angular displacement sensor positioned at the rotating shaft of the rotating shaft type conical carrier roller device detects the rotating angle and controls the power part 9 of a hydraulic cylinder at the lower end in the hydraulic power device to act through a PLC (programmable logic controller), and a hydraulic push rod 17 is pushed out; the inner wall of an upper end hydraulic cylinder rotating part 10 in the hydraulic power device is provided with a pair of symmetrical spiral chutes 16, the number of spiral turns is 0.25, and the thread pitch is the stroke of a lower end hydraulic cylinder power part; the hydraulic push rod sliding block 18 slides in the spiral sliding groove 16, and when the hydraulic rod extends out, the hydraulic push rod sliding block can rotate, the maximum rotation angle is 90 degrees, so that the vertical roller device presses the conveying belt, and secondary automatic deviation prevention of the conveying belt is realized. In addition, according to the different sizes of the rotating angles of the rotating shaft type conical carrier roller devices, the PLC controls the extending distance of the hydraulic push rod to control the rotating angles of the vertical roller devices, namely, the force of the vertical roller pressing the conveying belt can be automatically controlled according to the deviation degree, and the vertical roller device is flexible and reliable.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the present invention by those skilled in the art without departing from the spirit of the present invention are intended to be covered by the protection scope defined by the claims of the present invention.