Anti-reversion device of belt conveyor

Abstract

The utility model relates to the technical field of belt conveyors, in particular to a belt conveyor anti-reversion device which comprises a soundproof box, a motor is fixedly connected to the rear side in the soundproof box, a rotating shaft is fixedly connected to the driving position of the motor, a ratchet wheel is fixedly connected to the rotating shaft, and gear teeth of the ratchet wheel are in contact connection with the tooth end of a pawl. According to the anti-reversion device of the belt conveyor, the ratchet wheel, the pawl and the supporting plate are installed, when power failure or other emergency situations happen, a roller of the belt conveyor tends to reverse, the pawl is rapidly clamped between teeth of the ratchet wheel, and therefore transmission of reversion power to a conveying belt is cut off, and the conveying belt is prevented from being damaged. A series of faults such as material scattering and conveying belt damage caused by reverse rotation of the belt conveyor are avoided from the source, meanwhile, the sound insulation box and the sound insulation plate are installed, noise generated by motor operation and collision of the pawl and the ratchet wheel can be effectively prevented from spreading outwards, the operation noise of the device is greatly reduced, and the working environment is optimized.

Description

TECHNICAL FIELD

[0001] The utility model relates to a belt conveyor technical field especially relates to a belt conveyor anti-reverse device. BACKGROUND

[0002] In the industrial material conveying field, the belt conveyor becomes the key equipment with its efficient and continuous transportation capacity, and is widely used in many industries such as mine, port, power and manufacturing, with the continuous expansion of production scale and the increasing automation degree, the requirement for the operation stability and safety of the belt conveyor is more and more strict.

[0003] During the operation of the traditional belt conveyor, sudden power failure, mechanical failure or overload and other unexpected conditions are often faced, these conditions are easy to cause the drum of the conveyor to lose the forward driving force instantaneously, and then cause the reverse phenomenon. Once the reverse occurs, the material will be spilled due to the gravity and the reverse movement of the conveying belt, not only causing the material waste and the cleaning difficulty, but also possibly blocking the conveying line, seriously interfering with the continuity of the production process, at the same time, the working environment of the belt conveyor is complex and changeable, the mutual friction and collision between the motor operation and numerous transmission parts inevitably produce high-strength noise, long-term exposure to such noisy working environment damages the hearing health of the on-site operators.

[0004] Therefore, it is necessary to provide a new belt conveyor anti-reverse device to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a belt conveyor anti-reverse device.

[0006] The belt conveyor anti-reverse device provided by the utility model comprises: a soundproof box, a motor is fixedly connected to the inside rear side of the soundproof box, a rotating shaft is fixedly connected to the driving position of the motor, a ratchet wheel is fixedly connected to the rotating shaft, under the driving of the motor, the ratchet wheel rotates continuously along the forward rotation direction, the teeth of the ratchet wheel are in contact with the tooth end of the pawl, when running forward, the pawl swings flexibly with the rotation of the ratchet wheel, and when reversing, the pawl is clamped between the teeth of the ratchet wheel to realize braking.

[0007] Preferably, a first supporting plate is fixedly connected to the right side of the inside of the soundproof box, a rotating column is fixedly connected to the left inside of the first supporting plate, a pawl is rotatably connected to the rotating column, the rotating column enables the pawl to rotate flexibly, so that the pawl can accurately respond to the action in different rotating states of the ratchet wheel, whether it is the avoidance swing when running forward or the clamping braking in the reverse moment, the first supporting plate and the rotating column ensure the reliable realization of the function of the pawl.

[0008] Preferably, the first support plate rear side is fixedly connected with a second support plate for supporting, and the second support plate is rotationally connected with the rotating shaft inside, thereby stabilizing the rotating state of the rotating shaft, avoiding deviation or shaking of the rotating shaft under stress, and ensuring the stability of the ratchet wheel rotation.

[0009] Preferably, the rotating shaft front end is fixedly connected with a main transmission wheel, and the main transmission wheel is condensed with a secondary transmission wheel through a conveying belt, thereby stably transmitting the continuous power of the motor during normal forward operation and maintaining the stable forward movement of the conveying belt.

[0010] Preferably, the main transmission wheel is rotationally connected to a fixed plate, and the fixed plate top inside is rotationally connected with the secondary transmission wheel, thereby ensuring that the main transmission wheel and the secondary transmission wheel maintain appropriate spacing and relative positions during rotation, guaranteeing the stable transmission of the conveying belt, and preventing abnormality such as deviation and belt separation.

[0011] Preferably, the fixed plate lower four corners are fixedly connected with leg columns, thereby stably supporting the conveyor and ensuring normal operation of the device.

[0012] Preferably, the sound insulation box inside is fixedly connected with a first sound insulation plate, and the first sound insulation plate inside is fixedly connected with a second sound insulation plate, thereby effectively blocking the noise generated by the collision of the motor operation, the pawl and the ratchet wheel from spreading outward, greatly reducing the device operation noise, and optimizing the working environment.

[0013] Preferably, the pawl surface is sleeved with a rubber sleeve, thereby buffering the collision sound of the pawl and the ratchet wheel in the instant contact.

[0014] Compared with the related art, the belt conveyor anti-reversing device has the following beneficial effects:

[0015] 1. The belt conveyor anti-reversing device provided by the utility model can effectively block the noise generated by the collision of the motor operation, the pawl and the ratchet wheel from spreading outward, greatly reduce the device operation noise, and optimize the working environment.

[0016] 2. The belt conveyor anti-reversing device provided by the utility model can effectively block the noise generated by the collision of the motor operation, the pawl and the ratchet wheel from spreading outward, greatly reduce the device operation noise, and optimize the working environment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The structure schematic view of a preferred embodiment of the belt conveyor anti-reversing device provided by the utility model is shown in the figure.

[0018] Figure 2 The structure schematic view of the main transmission wheel driving is shown in the figure. Figure 1 The structure schematic view of the main transmission wheel driving is shown in the figure.

[0019] Figure 3 For Figure 2 The structure diagram of the ratchet and pawl is shown in the figure.

[0020] Figure 4 For Figure 1 The structure diagram of the soundproof board is shown in the figure.

[0021] In the figure, 1 is a soundproof box, 2 is a main transmission wheel, 3 is a fixed plate, 4 is a vice transmission wheel, 5 is a leg column, 6 is a conveying belt, 7 is a motor, 8 is a rotating shaft, 9 is a ratchet, 10 is a first supporting plate, 11 is a pawl, 12 is a rotating column, 13 is a second supporting plate, 14 is a first soundproof board, and 15 is a second soundproof board. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0023] The specific implementation of the utility model is described in detail below in combination with specific examples.

[0024] Please refer to Figures 1 to 4 The utility model embodiment provides a belt conveyor anti-reversing device, belt conveyor anti-reversing device includes: soundproof box 1, soundproof box 1 inside rear side fixedly connected with motor 7, motor 7 drive place fixedly connected with rotating shaft 8, rotating shaft 8 is fixedly connected with ratchet 9, under the drive of motor 7, ratchet 9 follows the positive rotation direction and continues to rotate, the gear teeth of ratchet 9 are in contact with the tooth end of pawl 11, when running in the positive direction, pawl 11 swings flexibly with the rotation of ratchet 9, and is clamped into the gear teeth of ratchet 9 to realize braking when reversing.

[0025] In the embodiment of the utility model, please refer to Figure 2 And Figure 3 Soundproof box 1 inside right side fixedly connected with first supporting plate 10, first supporting plate 10 left side inboard fixedly connected with rotating column 12, rotating column 12 is rotatably connected with pawl 11, rotating column 12 makes pawl 11 can flexibly rotate around it, guarantees that pawl 11 can accurately make response action under different rotating states of ratchet 9, whether it is the avoidance swing when running in the positive direction or the clamping braking in the reverse moment, first supporting plate 10 and rotating column 12 ensure the reliable realization of the function of pawl 11.

[0026] In the embodiment of the utility model, please refer to Figure 3A second support plate 13 is fixedly connected to the rear side of the first support plate 10 for support. The interior of the second support plate 13 is rotatably connected to the rotating shaft 8, which stabilizes the rotation state of the rotating shaft 8 and prevents it from shifting or shaking when subjected to force, thus ensuring the smooth rotation of the ratchet 9.

[0027] In the embodiments of this utility model, please refer to Figure 1 and Figure 2 The main transmission wheel 2 is fixedly connected to the front end of the rotating shaft 8. The main transmission wheel 2 connects to the auxiliary transmission wheel 4 via the conveyor belt 6. During normal forward operation, the motor 7 is continuously and stably transmitted to maintain the smooth forward movement of the conveyor belt.

[0028] In the embodiments of this utility model, please refer to Figure 1 and Figure 2 The main transmission wheel 2 is rotatably connected to the fixed plate 3, and the inner top of the fixed plate 3 is rotatably connected to the auxiliary transmission wheel 4. This ensures that the main transmission wheel 2 and the auxiliary transmission wheel 4 maintain a proper distance and relative position during rotation, ensuring smooth transmission of the conveyor belt 6 and preventing abnormalities such as deviation or belt slippage.

[0029] In the embodiments of this utility model, please refer to Figure 1 Leg posts 5 are fixedly connected to the four corners below the fixed plate 3, providing stable support for the conveyor and ensuring the normal operation of the device.

[0030] In the embodiments of this utility model, please refer to Figure 1 and Figure 4 The soundproof box 1 has a first soundproof plate 14 fixedly connected to the inside, and a second soundproof plate 15 fixedly connected to the inside of the first soundproof plate 14. This can effectively block the noise generated by the operation of the motor 7 and the collision of the pawl 11 and the ratchet 9 from spreading outward, greatly reducing the operating noise of the device and optimizing the working environment.

[0031] In the embodiments of this utility model, please refer to Figure 3 The surface of the pawl 11 is covered with a rubber sleeve to buffer the collision sound when the pawl 11 contacts the ratchet 9, and to help reduce noise.

[0032] The working principle of the belt conveyor anti-reverse device is as follows: when the belt conveyor normally runs forward, under the driving of the motor 7, the ratchet wheel 9 rotates continuously along the forward rotation direction, the pawl 11 flexibly swings under the pushing of the ratchet wheel 9 teeth, and does not hinder the operation of the ratchet wheel 9 and the transmission components connected therewith, at this time, the whole device smoothly transmits the motor 7 power to the front end main transmission wheel 2 through the rotating shaft 8, so that the conveyor belt 6 and the auxiliary transmission wheel 4 are rotationally connected, under the cooperation of the main transmission wheel 2, the auxiliary transmission wheel 4 and the conveyor belt 6, the conveyor belt of the belt conveyor can stably run, when power failure or other emergency occurs, the belt conveyor stops, at this time, the drum of the belt conveyor has a reverse trend, the ratchet wheel 9 reverses momentarily, the pawl 11 is quickly clamped into the teeth of the ratchet wheel 9 under the action of its own gravity and the special meshing structure with the ratchet wheel 9 teeth, by the mechanical blocking effect between the pawl 11 and the ratchet wheel 9, the reverse rotation of the ratchet wheel 9 and the connected rotating shaft 8 is immediately stopped, and then the motor 7 is reversed and the main transmission wheel 2 is reversed, finally the reverse power transmission to the conveyor belt is cut off, the material spillage, conveyor belt damage and other series of faults caused by the reverse rotation of the belt conveyor are avoided from the source, and in the running process, the first sound insulation board 14 and the second sound insulation board 15 inside the sound insulation box 1 can effectively block the noise generated by the motor 7 operation, the collision of the pawl 11 and the ratchet wheel 9 from spreading outward, greatly reduce the device running noise, and optimize the working environment.

[0033] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the utility model specification and drawing contents, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A belt conveyor anti-reverse device characterized by, Include: Soundproof box (1); Ratchet (9), the soundproof box (1) inside rear side fixedly connected with motor (7), the motor (7) drive fixedly connected with the rotating shaft (8), the rotating shaft (8) is fixedly connected with ratchet (9) on it; Pawl (11), the gear teeth of ratchet (9) and pawl (11) tooth end contact connection; The soundproof box (1) inside right side fixedly connected with first support plate (10), the first support plate (10) left inboard fixedly connected with rotating column (12), the rotating column (12) is rotatably connected with pawl (11) on it; The soundproof box (1) inboard fixedly connected with first soundproof board (14), the first soundproof board (14) inboard fixedly connected with second soundproof board (15).

2. The belt conveyor anti-reverse device of claim 1, wherein The first support plate (10) rear side fixedly connected with the second support plate (13) for support, the second support plate (13) inside with rotating shaft (8) rotatable connection.

3. The belt conveyor anti-reverse device of claim 1, wherein The rotating shaft (8) front end fixedly connected with main transmission wheel (2), the main transmission wheel (2) is condensed with auxiliary transmission wheel (4) through the conveyer belt (6).

4. The belt conveyor anti-reverse device of claim 3, wherein The main transmission wheel (2) rotatable connection in fixed plate (3), the fixed plate (3) top inboard and auxiliary transmission wheel (4) rotatable connection.

5. The belt conveyor anti-reverse device of claim 4, wherein, The fixed plate (3) below four corners are fixedly connected with leg column (5).

6. The belt conveyor anti-reverse device of claim 1, wherein The surface of pawl (11) is provided with rubber sleeve.

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