Belt conveyor tensioning device

Abstract

The utility model discloses a belt conveyor tensioning device which comprises a support, a first belt roller is arranged at one end of the support, a second belt roller is arranged at the other end of the support, a conveying belt is arranged on the support, one end of the conveying belt is connected to the first belt roller in a sleeved mode, and the other end of the conveying belt is connected to the second belt roller in a sleeved mode. A supporting plate is arranged on the support, a fixing block is arranged on the supporting plate in a sliding mode in the vertical direction, a pressing roller is arranged on the fixing block and abuts against the conveying belt, a connecting plate is rotatably arranged on the support, a supporting roller is arranged on the connecting plate and abuts against the conveying belt, and the supporting plate is connected with the supporting plate in a sliding mode. The first motor is started to drive the first belt roller to rotate, so that the first motor drives the conveying belt to rotate, the device drives the pressing roller to tension the conveying belt through the screw rod, then secondary tensioning is conducted through the supporting roller on the connecting plate, and the device is easy to operate.

Description

Technical Field

[0001] The utility model relates to the field of conveyors, and specifically, to a tensioning device for a belt conveyor. Background Art

[0002] A belt conveyor is a machine that transports materials by the endless movement of a belt. The belt conveyor has the advantages of long transportation distance, large transportation capacity, small working resistance, easy installation, low power consumption, and small wear. For example, a belt conveyor with a tensioning structure provided in Patent No. CN217995634 U includes a driving roller, a driven roller, a moving roller, and a supporting frame. A set of tensioning components is provided at a position close to each bearing seat on the supporting frame. Each set of tensioning components includes a driving member and a sliding block. A sliding groove is formed on the supporting frame corresponding to each bearing seat. One end of the sliding groove in the length direction and its top are open. The sliding block is slidably fitted in the sliding groove. The bearing seat is connected to the sliding block. A stop block is connected to the opening at one end of the sliding groove in the length direction. The driving member is a screw. The driving member passes through the stop block and the sliding block, and the driving member is threadedly connected to the sliding block. A braking component for restricting the rotation of the moving roller is provided at the bottom of the supporting frame. However, during the adjustment process of this device, the screws on both sides must be rotated simultaneously. When the conveying surface is relatively wide, multiple people are required to operate, making the operation of the device very cumbersome. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a tensioning device for a belt conveyor, which solves the problem that during the adjustment process of the device, the screws on both sides must be rotated simultaneously. When the conveying surface is relatively wide, multiple people are required to operate, making the operation of the device very cumbersome.

[0004] To achieve the above purpose, the utility model provides a tensioning device for a belt conveyor. The tensioning device for a belt conveyor includes a bracket. A first belt roller is provided at one end of the bracket, and a second belt roller is provided at the other end. A conveyor belt is provided on the bracket. One end of the conveyor belt is sleeved on the first belt roller, and the other end is sleeved on the second belt roller. A support plate is provided on the bracket. A fixed block is slidably provided on the support plate in the vertical direction. A pressing roller is provided on the fixed block, and the pressing roller abuts against the conveyor belt. A connecting plate is rotatably provided on the bracket, and a support roller is provided on the connecting plate, and the support roller abuts against the conveyor belt.

[0005] Preferably, a first motor is provided on the bracket, and the output shaft of the first motor is connected to the first belt roller.

[0006] Preferably, a lead screw is rotatably provided on the support plate, a lead screw nut is provided on the lead screw, and the lead screw nut is connected to the fixed block; a guide rod is provided on the support plate, and the pressing roller is slidably provided on the guide rod.

[0007] Preferably, a turbine is provided on the lead screw, a worm is provided on the support plate, and the turbine is meshed and connected with the worm.

[0008] Preferably, a second motor is provided on the support plate, and an output shaft of the second motor is connected to the worm.

[0009] Preferably, a ratchet is provided on the connecting plate, a ratchet pawl is provided on the bracket, and the ratchet is meshed and connected with the ratchet pawl.

[0010] The utility model provides a belt conveyor tensioning device. The belt conveyor tensioning device includes a bracket. One end of the bracket is provided with a first belt roller, the other end is provided with a second belt roller. A conveyor belt is provided on the bracket. One end of the conveyor belt is sleeved on the first belt roller, and the other end is sleeved on the second belt roller. A support plate is provided on the bracket. A fixed block is slidably provided on the support plate in the vertical direction. A pressing roller is provided on the fixed block. The pressing roller abuts against the conveyor belt. A connecting plate is rotatably provided on the bracket. A supporting roller is provided on the connecting plate. The supporting roller abuts against the conveyor belt. When using this device, it is necessary to first start the second motor, so that the second motor drives the worm to rotate. During the rotation of the worm, the worm drives the worm wheel to rotate. During the rotation of the worm wheel, the worm wheel drives the lead screw to rotate. During the rotation of the lead screw, the fixed block is driven to displace. During the displacement of the fixed block, the pressing roller is driven to tension the conveyor belt. Then, rotate the supporting roller on the connecting plate to abut against the conveyor belt. Then, start the first motor to drive the first belt roller to rotate, so that the first motor drives the conveyor belt to rotate. With a simple structure, the device drives the pressing roller to tension the conveyor belt through the lead screw. Then, secondary tensioning is performed through the supporting roller on the connecting plate, making the device easy to operate.

[0011] Beneficial effects: By starting the second motor, the second motor drives the worm to rotate. During the rotation of the worm, the worm drives the worm wheel to rotate. During the rotation of the worm wheel, the worm wheel drives the lead screw to rotate. During the rotation of the lead screw, the fixed block is driven to displace. During the displacement of the fixed block, the pressing roller is driven to tension the conveyor belt. Then, rotate the supporting roller on the connecting plate to abut against the conveyor belt, so that the device drives the pressing roller to tension the conveyor belt through the lead screw. Then, secondary tensioning is performed through the supporting roller on the connecting plate, making the device easy to operate.

[0012] Other features and advantages of the present utility model will be described in detail in the following specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the following specific implementation, they are used to explain the present utility model, but do not constitute a limitation to the present utility model. In the drawings:

[0014] Figure 1 is the first perspective structural diagram of the tensioning device provided by the present utility model;

[0015] Figure 2 is Figure 1 the enlarged structural diagram at position A in

[0016] Figure 3 is Figure 1 the enlarged structural diagram at position B in

[0017] Figure 4 is the second perspective structural diagram of the tensioning device provided by the present utility model.

[0018] DESCRIPTION OF THE REFERENCE NUMERALS

[0019] 1. Bracket; 2. First roller; 3. Second roller; 4. Conveyor belt; 5. First motor; 6. Screw lever; 7. Fixed block; 8. Pressing roller; 9. Connecting plate; 10. Supporting roller; 11. Ratchet wheel; 12. Pawl; 13. Turbine; 14. Worm; 15. Second motor; 16. Guide rod. SPECIFIC IMPLEMENTATION

[0020] The following will describe in detail the specific implementation of the present utility model with reference to the drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present utility model and does not limit the present utility model.

[0021] As Figures 1-4 shown: The present utility model provides a belt conveyor tensioning device. The tensioning device includes a bracket 1. One end of the bracket 1 is provided with a first roller 2, and the other end is provided with a second roller 3. A conveyor belt 4 is arranged on the bracket 1. One end of the conveyor belt 4 is sleeved on the first roller 2, and the other end is sleeved on the second roller 3. A support plate is arranged on the bracket 1. A fixed block 7 is slidably arranged on the support plate in the vertical direction. A pressing roller 8 is arranged on the fixed block 7. The pressing roller 8 abuts against the conveyor belt 4. A connecting plate 9 is rotatably arranged on the bracket 1. A supporting roller 10 is arranged on the connecting plate 9. The supporting roller 10 abuts against the conveyor belt 4.

[0022] Working principle of the present utility model: When using this device, it is necessary to first start the second motor, so that the second motor drives the worm to rotate. During the rotation of the worm, the worm drives the worm wheel to rotate. During the rotation of the worm wheel, the worm wheel drives the lead screw to rotate. During the rotation of the lead screw, the fixed block is driven to displace. During the displacement of the fixed block, the pressing roller is driven to tension the conveyor belt. Then, the supporting roller on the connecting plate is rotated to contact the conveyor belt. Then, the first motor is started to drive the first roller to rotate, so that the first motor drives the conveyor belt to rotate. With a simple structure, the device drives the pressing roller to tension the conveyor belt through the lead screw, and then, the supporting roller on the connecting plate is used for secondary tensioning, making the device easy to operate.

[0023] In a preferred embodiment of the present utility model, a first motor 5 is provided on the bracket 1, and the output shaft of the first motor 5 is connected to the first roller 2, which is to facilitate the first motor to drive the first roller to rotate.

[0024] In a preferred embodiment of the present utility model, a lead screw 6 is rotatably provided on the support plate, a lead screw nut is provided on the lead screw 6, and the lead screw nut is connected to the fixed block 7; a guide rod 16 is provided on the support plate, and the pressing roller 8 is slidably provided on the guide rod 16, which is to facilitate the lead screw to drive the fixed block to displace. At the same time, the guide rod is to facilitate the limitation of the fixed block.

[0025] In a preferred embodiment of the present utility model, a turbine 13 is provided on the lead screw 6, a worm 14 is provided on the support plate, and the turbine 13 is meshed with the worm 14, which is to facilitate the worm to drive the worm wheel to rotate.

[0026] In a preferred embodiment of the present utility model, a second motor 15 is provided on the support plate, and the output shaft of the second motor 15 is connected to the worm 14, which is to facilitate the second motor to drive the worm to rotate.

[0027] In a preferred embodiment of the present utility model, a ratchet 11 is provided on the connecting plate 9, a pawl 12 is provided on the bracket 1, and the ratchet 11 is meshed with the pawl 12, which is to facilitate fixing the connecting plate on the bracket.

[0028] The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the specific details in the above embodiments. Within the scope of the technical concept of the present utility model, various simple modifications can be made to the technical solutions of the present utility model, and these simple modifications all belong to the protection scope of the present utility model.

[0029] In addition, it should be noted that, for each of the specific technical features described in the above specific embodiments, they can be combined in any appropriate manner without conflict. To avoid unnecessary repetition, the present utility model will not separately describe various possible combination methods.

[0030] In addition, any combination can be made among various different embodiments of the present utility model, as long as it does not violate the idea of the present utility model, and it should equally be regarded as the content disclosed by the present utility model.

Claims

1. A belt conveyor tensioning device, characterized in that, The belt conveyor tensioning device includes a bracket (1). One end of the bracket (1) is provided with a first belt roller (2), and the other end is provided with a second belt roller (3). A conveyor belt (4) is arranged on the bracket (1). One end of the conveyor belt (4) is sleeved on the first belt roller (2), and the other end is sleeved on the second belt roller (3). A support plate is arranged on the bracket (1). A fixed block (7) is slidably arranged on the support plate in the vertical direction. A pressing roller (8) is arranged on the fixed block (7), and the pressing roller (8) abuts against the conveyor belt (4). A connecting plate (9) is rotatably arranged on the bracket (1), and a support roller (10) is arranged on the connecting plate (9), and the support roller (10) abuts against the conveyor belt (4).

2. The belt conveyor tensioning device according to claim 1, characterized in that, A first motor (5) is arranged on the bracket (1), and the output shaft of the first motor (5) is connected to the first belt roller (2).

3. The belt conveyor tensioning device according to claim 1, characterized in that, A lead screw (6) is rotatably arranged on the support plate, and a lead screw nut is arranged on the lead screw (6), and the lead screw nut is connected to the fixed block (7). A guide rod (16) is arranged on the support plate, and the pressing roller (8) is slidably arranged on the guide rod (16).

4. The belt conveyor tensioning device according to claim 3, characterized in that, A turbine (13) is arranged on the lead screw (6), and a worm (14) is arranged on the support plate, and the turbine (13) is meshed and connected with the worm (14).

5. The belt conveyor tensioning device according to claim 4, characterized in that, A second motor (15) is arranged on the support plate, and the output shaft of the second motor (15) is connected to the worm (14).

6. The belt conveyor tensioning device according to claim 1, characterized in that, A ratchet (11) is arranged on the connecting plate (9), and a ratchet pawl (12) is arranged on the bracket (1), and the ratchet (11) is meshed and connected with the ratchet pawl (12).

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