Belt winding and unwinding device for belt conveyor

Abstract

The utility model discloses a belt winding and unwinding device for a belt conveyor, which relates to the technical field of tobacco production and comprises a movable vehicle body. The support is located on one side of the upper end of the vehicle body; the driving part is fixedly arranged on the vehicle body, and a first belt wheel is arranged at the output end of the driving part; the rotating shaft penetrates through the support and is rotationally connected with the support, the rotating shaft located on the support is divided into a transmission end and a supporting end, the end facing the driving part is the transmission end, the end deviating from the driving part is the supporting end, a second belt wheel is arranged at the transmission end, the first belt wheel and the second belt wheel are connected through a transmission part, and the axis direction of the rotating shaft is parallel to the length direction of the vehicle body. According to the belt winding and unwinding device for the belt conveyor, the technical problems of high labor intensity and low working efficiency of the existing belt winding and unwinding are solved, and the technical effects of safely completing the disassembly of an old belt and the installation of a new belt, remarkably reducing the labor intensity of manual operation and improving the working efficiency are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of tobacco production, and particularly relates to a belt winding and unwinding device for a belt conveyor. Background Art

[0002] In the tobacco production industry, as a production auxiliary equipment, belt conveyors are widely used in the continuous conveying process of tobacco materials, including but not limited to the conveying of various raw materials such as cigarette packs, tobacco leaves, cut tobacco, and tobacco stems.

[0003] However, with the increase of service time, the conveyor belt on the belt conveyor will gradually show phenomena such as aging, elongation, interface cracking, and damage. The above problems will cause the belt to slip or break during operation, thus affecting the production stability and product quality.

[0004] When the conveyor belt has the above problems, it is usually necessary to repair and replace the new belt. This process involves the disassembly of the old belt and the installation of the new belt. Since the belt length can reach dozens of meters and has a certain weight, the replacement work is very inconvenient. The current operation method mainly relies on manual labor, including using a round tube to lift and rotate the belt roll, and at the same time, other workers are needed to cooperate in pulling and laying the belt. This method not only has a large labor intensity but also has a low work efficiency, seriously restricting the rapid recovery and continuous operation ability of the production line.

[0005] Therefore, there is an urgent need for a belt winding and unwinding device for a belt conveyor to reduce the labor intensity of maintenance personnel, improve the replacement efficiency, and ensure the stable operation of the tobacco production line. Summary of the Utility Model

[0006] The purpose of the utility model is to provide a belt winding and unwinding device for a belt conveyor, which solves the technical problems of large labor intensity and low work efficiency in the existing belt winding and unwinding.

[0007] To achieve the above purpose, the utility model provides a belt winding and unwinding device for a belt conveyor, including:

[0008] A movable vehicle body;

[0009] A support, arranged on one side of the upper end of the vehicle body;

[0010] A driving member, fixedly arranged on the vehicle body, and a first pulley is arranged at the output end of the driving member;

[0011] A rotating shaft passes through the support and is rotatably connected to the support. The rotating shaft located on the support is divided into a transmission end and a support end. The end facing the driving member is the transmission end, and the end away from the driving member is the support end. A second pulley is provided on the transmission end, and the first pulley and the second pulley are connected through a transmission member. The axial direction of the rotating shaft is parallel to the length direction of the vehicle body.

[0012] In the above technical solution, the outer diameter of the first pulley is smaller than the outer diameter of the second pulley.

[0013] In the above technical solution, the length of the supporting end is greater than the length of the transmission end.

[0014] In the above technical solution, the second pulley is connected to the rotating shaft by a key connection.

[0015] In the above technical solution, a universal wheel set is provided at the bottom of the vehicle body, and a self-locking unit is provided on the universal wheel set.

[0016] In the above technical solution, the driving member is a motor, and the transmission member is a synchronous belt.

[0017] In the above technical solution, it also includes a control unit arranged on the vehicle body, and the control unit establishes a signal connection with the motor.

[0018] In the above technical solution, a bearing seat is provided on the support, and the rotating shaft is rotatably connected to the support through the bearing seat.

[0019] In the above technical solution, the vehicle body is provided with electrically-operated telescopic legs to adjust the height of the support.

[0020] In the above technical solution, at least one fixing frame is further provided on the vehicle body, and the fixing frame is used to temporarily fix the new belt roll to be used.

[0021] Compared with the above-mentioned background technology, the utility model provides a belt retracting and releasing device for a belt conveyor. When removing an old belt, the vehicle body is first moved to the position where the belt needs to be replaced, so that the axis of the rotating shaft is arranged parallel to the driving roller of the belt conveyor. Then the old belt is cut off and the broken end of the old belt is wound on the supporting end of the rotating shaft. The first pulley is driven to rotate by the driving member, and then the second pulley and the rotating shaft are driven to rotate to realize the winding of the old belt.

[0022] When installing a new belt, first roll the new belt onto the supporting end of the rotating shaft; then operate the driving part in reverse to spread the belt smoothly. The operator stands at the outlet end of the belt and gently pulls one end of the belt interface to assist in laying the belt onto the belt conveyor.

[0023] In summary, the belt retracting and releasing device for a belt conveyor provided in the present application can safely complete the removal of an old belt and the installation of a new belt, significantly reducing the labor intensity of manual operation and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0025] Figure 1 A schematic structural diagram of a belt retracting and unretracting device for a belt conveyor provided in an embodiment of the utility model;

[0026] Figure 2 The present invention is a schematic diagram of the working of a belt retracting and unretracting device for a belt conveyor provided in an embodiment of the utility model.

[0027] in:

[0028] 1-driving member, 2-second pulley, 3-support, 4-rotating shaft, 5-car body, 6-transmission member, 7-first pulley. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0031] See also Figure 1 - Figure 2 The present application provides a belt retracting and unreeling device for a belt conveyor, comprising: a movable body 5; a support 3, disposed on one side of the upper end of the body 5; a driving member 1, fixedly disposed on the body 5, a first pulley 7 being disposed at the output end of the driving member 1; a rotating shaft 4, penetrating the support 3, and being rotatably connected to the support 3, the rotating shaft 4 located on the support 3 is divided into a transmission end and a supporting end, the end facing the driving member 1 being the transmission end, the end facing away from the driving member 1 being the supporting end, a second pulley 2 being disposed on the transmission end, the first pulley 7 and the second pulley 2 being connected via a transmission member 6, and the axial direction of the rotating shaft 4 being parallel to the length direction of the body 5.

[0032] That is, the left end of the vehicle body 5 is provided with a moving handle, thereby becoming a moving platform, so that it can move freely around the belt conveyor, making it easy to replace the belts at different positions;

[0033] The support 3 is disposed on the left side of the upper end of the vehicle body 5 and is used to support and fix the rotating shaft 4. The driving member 1 is fixed on the vehicle body 5 and disposed on the left side of the support 3.

[0034] The rotating shaft 4 passes through the support 3 and is rotatably connected with the support 3. The rotating shaft 4 located on the support 3 is divided into a transmission end and a support end. The end facing the driving member 1 is the transmission end (that is, the rotating shaft 4 is located on the left side of the support 3 as the transmission end), and the end away from the driving member 1 is the support end (that is, the rotating shaft 4 is located on the right side of the support 3 as the support end). The support end of the rotating shaft 4 is used to support the belt roll, and the transmission end is responsible for rotating the belt roll to realize the retraction and extension of the belt.

[0035] Steps to remove the old belt:

[0036] 1. Move the vehicle body 5 to the position where the belt needs to be replaced, so that the axis of the rotating shaft 4 is arranged parallel to the driving roller of the belt conveyor;

[0037] Second, the old belt is cut off and the broken end of the old belt is wound around the supporting end of the rotating shaft 4. The first pulley 7 is driven to rotate by the driving member 1, thereby driving the second pulley 2 and the rotating shaft 4 to rotate, thereby winding up the old belt.

[0038] To install a new belt:

[0039] 1. Roll the new belt onto the supporting end of the rotating shaft 4;

[0040] 2. Reversely operate the driving member 1 to spread the belt smoothly. The operator should stand at the outlet end of the belt and gently pull one end of the belt interface to help lay the belt on the belt conveyor.

[0041] In summary, the belt retracting and releasing device for a belt conveyor provided in the present application can safely complete the removal of an old belt and the installation of a new belt, significantly reducing the labor intensity of manual operation and improving work efficiency.

[0042] On the basis of the above embodiment, the driving member 1 is a motor, the transmission member 6 is a synchronous belt, and the outer diameter of the first pulley 7 is smaller than the outer diameter of the second pulley 2 .

[0043] That is to say, the motor acts as a driving source to provide rotational power, and then the motor drives the first pulley 7 (small pulley) to rotate, and the first pulley 7 drives the second pulley 2 (large pulley) to rotate through the synchronous belt, and the second pulley 2 then drives the rotating shaft 4 to rotate.

[0044] Since the outer diameter of the first pulley 7 (small pulley) is smaller than that of the second pulley 2 (large pulley), according to the principle of belt drive, when the first pulley 7 drives the synchronous belt to rotate at a certain speed, the second pulley 2 will rotate at a slower speed, thus achieving speed reduction transmission. At the same time, since the belt tension on the large pulley is greater, it can transmit a larger torque to the rotating shaft 4, and then drive the belt reel to perform winding and unwinding operations.

[0045] Based on the above embodiment, the connection mode between the second pulley 2 and the rotating shaft 4 is a key connection; a universal wheel set is provided at the bottom of the vehicle body 5, and a self-locking unit is provided on the universal wheel set; a bearing seat is provided on the support 3, and the rotating shaft 4 is rotatably connected to the support 3 through the bearing seat.

[0046] Specifically, a key connection is adopted between the second pulley 2 and the rotating shaft 4. The rotating shaft 4 and the second pulley 2 are circumferentially fixed by a key to transmit torque. The key connection ensures that the second pulley 2 can be firmly fixed on the rotating shaft 4 and rotate with the rotating shaft 4, thereby effectively transmitting the rotational power of the motor.

[0047] A universal wheel set is provided at the bottom of the vehicle body 5, enabling the vehicle body 5 to move and turn flexibly. The universal wheel set usually includes multiple universal wheels. In this application, it is preferably 4 universal wheels, which are symmetrically arranged at the bottom of the vehicle body 5. Each universal wheel can rotate independently and change direction, thus adapting to different ground conditions and moving requirements.

[0048] A self-locking unit is provided on each universal wheel. The self-locking unit can lock the universal wheel when needed to prevent the vehicle body from moving uncontrollably. The self-locking unit in this application is the use of existing mature technology, so the structure of the self-locking unit will not be elaborated in this application.

[0049] A bearing seat is provided on the support 3, and the rotating shaft 4 is rotatably connected to the support 3 through the bearing seat, which can achieve the free rotation of the rotating shaft 4 and bear various forces and torques generated by the belt reel.

[0050] Based on the above embodiment, a control unit provided on the vehicle body 5 is further included, and the control unit establishes a signal connection with the motor.

[0051] That is to say, by establishing a signal connection with the motor, the control unit can send instructions to the motor to control actions such as starting, stopping, rotating direction, accelerating or decelerating of the motor. The signal connection between the control unit and the motor can be achieved through a cable communication interface. Through the control unit, automatic control of the belt winding and unwinding device can be realized, reducing manual operation and improving work efficiency and safety.

[0052] Preferably, the length of the support end is greater than that of the transmission end.

[0053] That is to say, the support end needs to bear the weight of the belt roll and the centrifugal force generated during the rotation process, so it needs to have sufficient length and strength to ensure the stable support of the belt roll. The transmission end is mainly responsible for connecting with the second pulley 2 and transmitting power, and its relatively short length can meet the requirements. Therefore, the longer support end can provide better stability and load-bearing capacity, ensuring that the belt roll will not shake or fall off during the retraction and release process. At the same time, the shorter transmission end makes the structure of the entire device more compact and lightweight, which is easy to move and operate.

[0054] On the basis of the above embodiment, a height-adjustable support structure is provided on the vehicle body 5 to adjust the height of the support 3 .

[0055] Specifically, the vehicle body 5 is provided with electrically-operated telescopic legs, thereby allowing the operator to adjust the height of the support 3 according to actual needs.

[0056] By adjusting the height of the support 3, it can be ensured that the belt retracting device can reach the required height during operation, which is convenient for docking or cooperation with the belt conveyor. A reasonable working height can reduce the operator's bending or hand-lifting movements, reduce labor intensity, and improve operating comfort and work efficiency.

[0057] The electric telescopic legs are symmetrically fixed to the side walls of the vehicle body 5. The height of the support 3 can be adjusted by extending and retracting the electric telescopic legs. The initial height of the electric telescopic legs does not affect the normal movement of the universal wheels, so as to ensure that the universal wheels can roll freely without being interfered by the legs when the legs are not extended.

[0058] Specifically, a mobile power source or an external power source interface may also be provided on the vehicle body 5 to provide power for the electric telescopic legs and the motor.

[0059] On the basis of the above embodiment, at least one fixing frame is further provided on the vehicle body 5, and the fixing frame is used to temporarily fix the new belt roll to be used.

[0060] That is to say, the fixed rack provides a temporary storage space for the new belt roll to be used, so that the operator can more conveniently carry it to the vicinity of the belt conveyor and carry out subsequent installation work.

[0061] It should be noted that, in this specification, relational terms such as first and second are merely used to distinguish one entity from other entities, but do not necessarily require or imply any actual relationship or order between these entities.

[0062] In this article, specific examples are used to elaborate on the principle and implementation mode of the present utility model. The description of the above embodiments is only used to help understand the method and its core idea of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and modifications can be made to the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. A belt retracting and unretracting device for a belt conveyor, characterized in that: include: A movable vehicle body (5); A support (3) is arranged on one side of the upper end of the vehicle body (5); A driving member (1) is fixedly mounted on the vehicle body (5), and a first pulley (7) is provided at the output end of the driving member (1); A rotating shaft (4) passes through the support (3) and is rotatably connected to the support (3). The rotating shaft (4) located on the support (3) is divided into a transmission end and a support end. The end facing the driving member (1) is the transmission end, and the end away from the driving member (1) is the support end. A second pulley (2) is provided on the transmission end. The first pulley (7) and the second pulley (2) are connected via a transmission member (6). The axial direction of the rotating shaft (4) is parallel to the length direction of the vehicle body (5).

2. The belt retracting and unretracting device for a belt conveyor according to claim 1, characterized in that: The outer diameter of the first pulley (7) is smaller than the outer diameter of the second pulley (2).

3. The belt retracting and unretracting device for a belt conveyor according to claim 2, characterized in that: The length of the supporting end is greater than the length of the transmission end.

4. The belt retracting and unretracting device for a belt conveyor according to claim 1, characterized in that: The second pulley (2) and the rotating shaft (4) are connected in a key connection manner.

5. The belt retracting and unretracting device for a belt conveyor according to claim 1, characterized in that: A universal wheel set is provided at the bottom of the vehicle body (5), and a self-locking unit is provided on the universal wheel set.

6. The belt retracting and unretracting device for a belt conveyor according to claim 1, characterized in that: The driving component (1) is a motor, and the transmission component (6) is a synchronous belt.

7. The belt retracting and unretracting device for a belt conveyor according to claim 6, characterized in that: It also includes a control unit arranged on the vehicle body (5), wherein the control unit establishes a signal connection with the motor.

8. The belt retracting and unretracting device for a belt conveyor according to claim 1, characterized in that: A bearing seat is provided on the support (3), and the rotating shaft (4) is rotatably connected to the support (3) via the bearing seat.

9. The belt retracting and unretracting device for a belt conveyor according to claim 1, characterized in that: The vehicle body (5) is provided with electrically-operated telescopic legs for adjusting the height of the support (3).

10. The belt retracting and unretracting device for a belt conveyor according to claim 9, characterized in that: The vehicle body (5) is also provided with at least one fixing frame, which is used to temporarily fix a new belt roll to be used.

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