Automatic deviation rectifying device for mechanical conveying belt

Abstract

The utility model provides a mechanical automatic deviation rectifying device for a conveying belt, which belongs to the field of conveyors and comprises a rack, a conveying carrier roller is arranged on the upper portion of the rack, a return carrier roller is arranged on the lower portion of the rack, and a left deviation switch and a right deviation switch are mounted on the rack and respectively positioned on the left side and the right side of the belt. The belt deviation preventing device has the advantages that when the belt deviates, the belt deviates and touches the left deviation switch or the right deviation switch, a signal is sent through the left deviation switch or the right deviation switch, the left deviation switch and the right deviation switch are switched on, the belt is driven to rotate, and the belt is driven to rotate. The electromagnetic valve is controlled to act, hydraulic oil is conveyed to the hydraulic motor, the hydraulic motor is made to rotate, the hydraulic motor drives the rotating shaft to rotate, then the conveying carrier roller is driven to rotate, and the off-tracking belt is corrected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of conveyors, concretely relates to a mechanical type conveying belt automatic deviation rectifying device. BACKGROUND

[0002] The belt conveyor, also known as a belt conveyor, a belt conveyor or a belt conveyor, is a continuous conveying machine using a flexible conveyor belt as a material carrying and traction member. The working principle of the belt conveyor is based on the friction principle. The belt is driven by the driving drum to convey the material to the required place. The belt is wound around the driving drum at the head and the redirecting drum at the tail to form a stepless link belt. The upper and lower belts are supported on the carrier rollers. The tensioning device provides the required tension for the normal operation of the belt. During operation, the driving drum drives the belt to run through the friction between the driving drum and the belt. The material moves on the belt with the belt.

[0003] Belt deviation refers to the phenomenon that the center line of the belt deviates from the center line of the conveyor during the operation of the conveyor due to various reasons. This deviation may increase the friction between the belt and the frame, carrier rollers and other components, and even cause the belt to wear, tear or damage. In severe cases, it may also affect the normal operation of the conveyor and the conveying efficiency of the material. The belt deviation is corrected by manually knocking the carrier roller support, which makes the carrier roller support on the deviated side tilt forward. Since the force on this side is large, the belt is forced to deviate to the other side, thereby achieving the effect of deviation correction. Since the support is frequently knocked, the support bolt may become loose, which may pose a safety hazard. Moreover, the support hole of the belt conveyor only allows a small range of movement (generally up to 5mm). Knocking the support of the belt conveyor can only cause a small range of support deviation, and the deviation correction effect is not obvious. After the belt conveyor is corrected, it is often overcorrected, and the belt conveyor tilts to the other side.

[0004] In view of the above problems that the belt conveyor is prone to overcorrection and the correction effect is not good when correcting the belt, a device is needed that can automatically correct the belt and has good correction effect. INVENTION CONTENTS

[0005] The utility model aims at the problem that the existing belt conveyor is prone to overcorrection and the correction effect is not good when correcting the belt, and proposes a mechanical type conveying belt automatic deviation rectifying device, which can automatically correct the belt conveyor and has good correction effect without manual intervention, thereby improving the correction efficiency.

[0006] In order to achieve the above object, the utility model provides a technical scheme for a mechanical type conveying belt automatic deviation rectifying device, which comprises a rack, a conveying support roller arranged on the upper part of the rack, a return support roller arranged on the lower part of the rack, a left deviation switch and a right deviation switch installed on the rack, the left deviation switch and the right deviation switch being respectively located on the left side and the right side of the belt, a rotating shaft fixed to the bottom of the conveying support roller, the bottom of the rotating shaft penetrating through the rack and being rotatably connected with the rack, a hydraulic motor installed on the rack, the output end of the hydraulic motor being connected with the bottom of the rotating shaft, a hydraulic pump installed on the side of the return support roller, the power input end of the hydraulic pump being connected with the rotating shaft of the return support roller, an electromagnetic valve connected with the output end of the hydraulic pump through a hydraulic pipeline, the electromagnetic valve being connected with the hydraulic motor through the hydraulic pipeline, a hydraulic oil tank also installed on the rack, the oil inlet of the hydraulic oil tank being connected with the electromagnetic valve, and the oil outlet of the hydraulic oil tank being connected with the input end of the hydraulic pump.

[0007] Further, a pressure regulating valve is installed between the power output end of the hydraulic motor and the electromagnetic valve, and the delivery pressure of the hydraulic oil can be regulated through the pressure regulating valve.

[0008] Further, the electromagnetic valve is a three-position four-way reversing valve, and the forward and reverse rotation of the hydraulic motor and the delivery of the hydraulic oil to the hydraulic oil tank can be realized through the three-position four-way reversing valve.

[0009] Further, a moving wheel is installed on the left and right sides of the bottom of the conveying support roller, and the moving wheel is rollingly connected with the rack, so that the rotating effect of the conveying support roller is further improved.

[0010] Further, the hydraulic oil tank is made of metal.

[0011] Further, the left deviation switch and the right deviation switch are made of travel switches.

[0012] From the above technical scheme, it can be seen that the utility model has the following advantages:

[0013] When the belt deviates, the belt deviates to touch the left deviation switch or the right deviation switch, sends a signal through the left deviation switch or the right deviation switch, controls the electromagnetic valve to act, delivers hydraulic oil to the hydraulic motor, makes the hydraulic motor rotate, drives the rotating shaft to rotate through the hydraulic motor, and further drives the conveying carrier roller to rotate, corrects the deviated belt, when the correction is completed, the belt no longer triggers the left deviation switch or the right deviation switch, the signal stops sending, at this time the electromagnetic valve acts, delivers hydraulic oil to the hydraulic oil tank for normal operation of the belt conveyor, the device can be used to modify the existing belt conveyor, has simple structure, does not need manual operation, is convenient to use, has strong practicality, and is suitable for popularization and use. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the present application, the following will briefly introduce the drawings needed to be used in the description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0015] Figure 1 It is a front view structural schematic diagram of the present application.

[0016] In the figure: 1, rack; 2, conveying carrier roller; 3, return carrier roller; 4, rotating shaft; 5, moving wheel; 6, left deviation switch; 7, right deviation switch; 8, hydraulic motor; 9, hydraulic pump; 10, pressure regulating valve; 11, electromagnetic valve; 12, hydraulic oil tank. DETAILED DESCRIPTION

[0017] In order to make the purpose, features and advantages of the present application more obvious and easy to understand, the technical scheme in the present application will be described clearly and completely in combination with the drawings in the specific embodiments, obviously, the following described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present patent, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present patent.

[0018] As Figure 1As shown, the embodiment provides a mechanical conveying belt automatic deviation correction device, which comprises a rack 1, a conveying roller 2 arranged on the upper part of the rack 1, a return roller 3 arranged on the lower part of the rack 1, a left deviation switch 6 and a right deviation switch 7 installed on the rack 1, the left deviation switch 6 and the right deviation switch 7 being respectively located on the left side and the right side of the belt, the left deviation switch 6 and the right deviation switch 7 being made of a travel switch, a rotating shaft 4 fixed at the bottom of the conveying roller 2, the bottom of the rotating shaft 4 penetrating through the rack 1 and being rotatably connected with the rack 1, a hydraulic motor 8 installed on the rack 1, the output end of the hydraulic motor 8 being connected with the bottom of the rotating shaft 4, a moving wheel 5 installed on the left and right sides of the bottom of the conveying roller 2, the moving wheel 5 being rollingly connected with the rack 1, the moving wheel 5 further improving the rotating effect of the conveying roller 2, a hydraulic pump 9 installed on the side of the return roller 3, the power input end of the hydraulic pump 9 being connected with the rotating shaft of the return roller 3, the output end of the hydraulic pump 9 being connected with an electromagnetic valve 11 through a hydraulic pipeline, the electromagnetic valve 11 being connected with the hydraulic motor 8 through the hydraulic pipeline, a pressure regulating valve 10 installed between the power output end of the hydraulic motor 8 and the electromagnetic valve 11, the pressure regulating valve 10 being capable of adjusting the conveying pressure of the hydraulic oil, a hydraulic oil tank 12 also installed on the rack 1, the oil inlet of the hydraulic oil tank 12 being connected with the electromagnetic valve 11, the electromagnetic valve 11 being a three-position four-way reversing valve, the three-position four-way reversing valve being capable of realizing the forward and reverse rotation of the hydraulic motor 8 and conveying the hydraulic oil to the hydraulic oil tank 12, the oil outlet of the hydraulic oil tank 12 being connected with the input end of the hydraulic pump 9, the hydraulic oil tank 12 being made of metal.

[0019] Specifically, the signal lines of the left deviation switch 6 and the right deviation switch 7 are connected with the electromagnetic valve 11, wherein the signal line of the left deviation switch 6 is connected with the forward controller of the electromagnetic valve 11, and the signal line of the right deviation switch 7 is connected with the reverse controller of the electromagnetic valve 11, when the left deviation switch 6 is triggered, a signal is sent to the controller of the electromagnetic valve 11, so that the electromagnetic valve 11 is actuated to make the hydraulic oil be conveyed forward, when the right deviation switch 7 is triggered, a signal is sent to the controller of the electromagnetic valve 11, so that the electromagnetic valve 11 is actuated to make the hydraulic oil be conveyed reversely.

[0020] When the belt conveyor is in normal operation, the hydraulic pump 9 is driven to rotate by the return roller 3, the hydraulic pump 9 pumps hydraulic oil to the electromagnetic valve 11, the hydraulic oil is delivered to the inside of the hydraulic oil tank 12 through the electromagnetic valve 11, then the hydraulic oil tank 12 delivers the hydraulic oil to the hydraulic pump 9, realizing normal production, when the belt deviates, the belt deviates and touches the left deviation switch 6 or the right deviation switch 7, sends a signal through the left deviation switch 6 or the right deviation switch 7, controls the electromagnetic valve 11 to act, delivers the hydraulic oil to the hydraulic motor 8, makes the hydraulic motor 8 rotate, drives the rotating shaft 4 to rotate through the hydraulic motor 8, and then drives the conveying roller 2 to rotate, corrects the deviated belt, when the correction is completed, the belt no longer triggers the left deviation switch 6 or the right deviation switch 7, the signal stops sending, at this time the electromagnetic valve 11 acts, delivers the hydraulic oil to the hydraulic oil tank 12 for normal operation of the belt conveyor, the device can be used to modify the existing belt conveyor, the structure is simple, no manual operation is needed, convenient to use, strong practicability, suitable for popularization and use.

[0021] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A mechanical conveyor belt automatic correction device, comprising a frame (1), a conveyor roller (2) disposed on the upper part of the frame (1), and a return roller (3) disposed on the lower part of the frame (1), characterized in that, A left misalignment switch (6) and a right misalignment switch (7) are installed on the frame (1). The left misalignment switch (6) and the right misalignment switch (7) are located on the left and right sides of the belt, respectively. A rotating shaft (4) is fixed to the bottom of the conveyor roller (2). The bottom of the rotating shaft (4) passes through the frame (1) and is rotatably connected to the frame (1). A hydraulic motor (8) is installed on the frame (1). The output end of the hydraulic motor (8) is connected to the bottom of the rotating shaft (4). The return roller (3) is installed on the side. There is a hydraulic pump (9), the power input end of the hydraulic pump (9) is connected to the shaft of the return idler (3), the output end of the hydraulic pump (9) is connected to a solenoid valve (11) through a hydraulic pipeline, the solenoid valve (11) is connected to the hydraulic motor (8) through a hydraulic pipeline, a hydraulic oil tank (12) is also installed on the frame (1), the oil filling port of the hydraulic oil tank (12) is connected to the solenoid valve (11), and the oil outlet of the hydraulic oil tank (12) is connected to the input end of the hydraulic pump (9).

2. The automatic belt alignment device for mechanical conveyor belts according to claim 1, characterized in that, A pressure regulating valve (10) is installed between the power output end of the hydraulic motor (8) and the solenoid valve (11).

3. The automatic belt alignment device for mechanical conveyor belts according to claim 1, characterized in that, The solenoid valve (11) is a three-position four-way directional valve.

4. The automatic belt alignment device for mechanical conveyor belts according to claim 1, characterized in that, The bottom left and right sides of the conveyor roller (2) are equipped with movable wheels (5), and the movable wheels (5) are connected to the frame (1) in a rolling manner.

5. The automatic belt alignment device for mechanical conveyor belts according to claim 1, characterized in that, The hydraulic oil tank (12) is made of metal.

6. The automatic belt alignment device for mechanical conveyor belts according to claim 1, characterized in that, The left deviation switch (6) and the right deviation switch (7) are made of limit switches.

Images