Conveyor belt tensioning shaft

Abstract

The utility model provides a conveyor belt tensioning shaft, and relates to the technical field of conveyor belt tensioning shafts, the conveyor belt tensioning shaft comprises a tensioning shaft body and a fixed rotating shaft, one side of the tensioning shaft body is provided with an adjusting device, and a detachable device is arranged between the inner wall of the tensioning shaft body and the outer surface of the fixed rotating shaft. The adjusting device comprises an adjusting tensioning shaft, the inner wall of one end of the adjusting tensioning shaft is in sliding connection with the outer surface of one end of the tensioning shaft body, a round hole is formed in one side of the adjusting tensioning shaft, a threaded rod is rotationally connected to the inner wall of the round hole, a threaded groove is formed in one side of the tensioning shaft body, and the threaded rod is rotationally connected to the inner wall of the threaded rod. According to the tensioning device, the adjusting device is arranged to adjust and fix the sliding distance of the tensioning shaft, tensioning shafts with different lengths can be formed, and therefore the tensioning shafts can be matched with conveying belts with different widths to adjust the tensioning degree of the conveying belts, the use adaptability of the tensioning shafts can be improved, meanwhile, the use adaptability of the tensioning device can be improved, and the use cost of the tensioning device is reduced. The use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of conveyor belt tensioning shafts, in particular to a conveyor belt tensioning shaft. Background Art

[0002] The tensioning shaft is one of the important components of the tensioner. It is usually a shaft placed inside the conveyor belt to support it. When in use, the tension of the conveyor belt is maintained during the transmission process by adjusting the distance of the tensioning shaft.

[0003] When the tensioning shaft body is used on the tensioner to adjust the tension of the conveyor belt, since the width of the conveyor belts used on different conveying equipment is different, and the length of the tensioning shaft body is fixed, when the conveyor belt that needs to be tensioned is wider, it is easy for it to not be put on and the tension cannot be adjusted. When the width of the conveyor belt that needs to be tensioned is narrower, the conveyor belt is easy to shake on the tensioning shaft body, which affects the tension of the conveyor belt during transmission, resulting in the problem of low adaptability of the existing tensioning shaft body. Utility Model Content

[0004] The utility model proposes a conveyor belt tensioning shaft to solve the problem that when a tensioning shaft body is used on a tensioner to adjust the tension of a conveyor belt, since the width of the conveyor belts used on different conveying equipment is different and the length of the tensioning shaft body is fixed, when the conveyor belt that needs to be tensioned is wider, it is easy for it to not be put on and the tension thereof cannot be adjusted; when the conveyor belt that needs to be tensioned is narrower, the conveyor belt is easy to shake on the tensioning shaft body, which affects the tension of the conveyor belt during transmission, resulting in low adaptability of the existing tensioning shaft body.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions: a conveyor belt tensioning shaft, comprising a tensioning shaft body and a fixed rotating shaft, an adjusting device is provided on one side of the tensioning shaft body, a detachable device is provided between the inner wall of the tensioning shaft body and the outer surface of the fixed rotating shaft, the adjusting device comprises an adjusting tensioning shaft, the inner wall of one end of the adjusting tensioning shaft is slidingly connected to the outer surface of one end of the tensioning shaft body, a circular hole is provided on one side of the adjusting tensioning shaft, a threaded rod is rotatably connected to the inner wall of the circular hole, a threaded groove is provided on one side of the tensioning shaft body, a circular groove is provided on the inner wall of the threaded groove, the outer surface of the threaded rod is threadedly connected to the inner wall of the threaded groove, and the size of the outer surface of the threaded rod is adapted to the size of the inner wall of the circular groove.

[0006] The effect achieved by the above components is: by setting an adjustment device, when using the tensioning shaft body on the tensioner to adjust the tension of the conveyor belt, you can manually hold the threaded rod and rotate it in the round hole, threaded groove and the inner wall of the round groove to a certain position according to the width of the conveyor belt used. It will drive the inner wall of the adjustment tensioning shaft to slide to one end on the outer surface of the tensioning shaft body to a certain distance, so that it forms a tensioning shaft of a new length. By adjusting the sliding distance of the adjustment tensioning shaft, tensioning shafts of different lengths can be formed, so that the tensioning can be adjusted to suit conveyor belts of different widths. This can improve the adaptability of the tensioning shaft, and at the same time improve the adaptability of the tensioner, making it easier to use.

[0007] Preferably, one end of the threaded rod is fixedly connected to a limiting block, and the outer surface of the limiting block is slidably connected to the inner wall of the circular groove.

[0008] The effect achieved by the above components is: by setting a limit block, the outer surface of one end of the threaded rod can be limited and supported in the inner wall of the circular groove, so that it is not easy to shake when it spirals back and forth, and it will not fall off the spiral from the threaded groove.

[0009] Preferably, one end of the threaded rod is fixedly connected to an operating block, and both sides of the operating block are fixedly connected to a plurality of anti-slip protrusions.

[0010] The effect achieved by the above components is that by providing the operating block, the contact area of one end of the threaded rod can be increased, making it easier to manually hold and rotate it.

[0011] Preferably, a bearing is fixedly connected to the outer surface of one end of the threaded rod, and the outer ring of the bearing is fixedly connected to the inner wall of the circular hole.

[0012] The effect achieved by the above components is that by providing the bearing, the contact wear between the threaded rod and the circular hole can be reduced, thereby increasing the service life of the threaded rod.

[0013] Preferably, the detachable device includes two clamping blocks, a rectangular groove is symmetrically opened on one side of the tensioning shaft body, a spring is fixedly connected to the inner wall of the rectangular groove, one end of the spring is fixedly connected to one side of the clamping block, one end of the clamping block is slidingly connected to the inner wall of the rectangular groove, and a clamping groove is opened on the outer surface of one end of the fixed rotating shaft, and the size and shape of the inner wall of the clamping groove are adapted to the size and shape of the outer surface of one end of the clamping block.

[0014] The effect achieved by the above components is: by setting up a detachable device, when the tensioning shaft body or the fixed rotating shaft needs to be replaced, the two clamping blocks can be manually held and slid to one side in the rectangular groove to a certain distance, driving the spring to contract, and one end of the clamping block is pulled out of the clamping slot, and then the fixed rotating shaft is held and pulled out from the inner wall of the tensioning shaft body, so that the two can be disassembled, which is convenient for replacing a certain component, thereby saving the use cost of the tensioning shaft body and improving the use effect.

[0015] Preferably, the outer surface of the fixed shaft is symmetrically fixedly connected to a limit strip, the inner wall of the tensioning shaft body is symmetrically provided with a limit slot, and the outer surface size of the limit strip is adapted to the inner wall size of the limit slot.

[0016] The effect achieved by the above components is: by setting the limit strips and limit grooves, after the fixed rotating shaft is inserted into the inner wall of the tensioning shaft body, the limit strips and limit grooves can limit the fixed rotating shaft, making it difficult to rotate, and at the same time, the card slot can be quickly aligned with the card block, making it convenient to insert it later.

[0017] Preferably, a telescopic rod is fixedly connected to the inner wall of the rectangular groove, one end of the telescopic rod is fixedly connected to one side of the clamping block, and the outer surface of the telescopic rod is sleeved and connected to the inner wall of the spring.

[0018] The effect achieved by the above components is that the inner wall of the spring can be supported by arranging the telescopic rod, so that the spring is not easily deformed, bent or damaged during use, thereby increasing the service life of the spring.

[0019] Preferably, a pull block is fixedly connected to one side of the clamping block, and the cross section of the pull block is semicircular.

[0020] The effect achieved by the above components is that by providing the pull block, one side of the card block can be conveniently hooked manually to facilitate operation thereof.

[0021] Compared with the prior art, the advantages and positive effects of the present invention are:

[0022] In the present invention, an adjustment device is provided, and when the tensioning shaft body is used on the tensioner to adjust the tension of the conveyor belt, the threaded rod can be manually held and rotated to a certain position in the circular hole, the threaded groove and the inner wall of the circular groove according to the width of the conveyor belt used. The inner wall of the adjustment tensioning shaft will be driven to slide to a certain distance on the outer surface of the tensioning shaft body to one end, so that a tensioning shaft of a new length is formed. By adjusting the sliding distance of the adjustment tensioning shaft, tensioning shafts of different lengths can be formed, so that the tensioning can be adjusted to suit conveyor belts of different widths. This can improve the adaptability of the tensioning shaft, and at the same time improve the adaptability of the tensioner, making it convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the tensioning shaft body of the utility model;

[0025] Figure 3 This is a schematic diagram of the three-dimensional structure of the tensioning shaft adjustment of the utility model;

[0026] Figure 4 This is a schematic diagram of the three-dimensional structure of the tensioning shaft adjustment of the utility model;

[0027] Figure 5 It is a schematic diagram of the three-dimensional structure of the fixed rotating shaft of the utility model.

[0028] Legend: 1. Tensioning shaft body; 2. Adjusting device; 3. Removable device; 4. Fixed rotating shaft; 21. Adjusting tensioning shaft; 22. Threaded groove; 23. Circular groove; 24. Threaded rod; 25. Limit block; 26. Operating block; 27. Bearing; 28. Circular hole; 31. Rectangular groove; 32. Spring; 33. Block; 34. Slot; 35. Limit strip; 36. Limit slot; 37. Telescopic rod; 38. Pull block. DETAILED DESCRIPTION

[0029] Example 1, as Figure 1-5 As shown, a conveyor belt tensioning shaft includes a tensioning shaft body 1 and a fixed rotating shaft 4, an adjusting device 2 is provided on one side of the tensioning shaft body 1, a detachable device 3 is provided between the inner wall of the tensioning shaft body 1 and the outer surface of the fixed rotating shaft 4, the adjusting device 2 includes an adjusting tensioning shaft 21, the inner wall of one end of the adjusting tensioning shaft 21 is slidingly connected to the outer surface of one end of the tensioning shaft body 1, a circular hole 28 is provided on one side of the adjusting tensioning shaft 21, the inner wall of the circular hole 28 is rotatably connected to a threaded rod 24, a threaded groove 22 is provided on one side of the tensioning shaft body 1, a circular groove 23 is provided on the inner wall of the threaded groove 22, the outer surface of the threaded rod 24 is threadedly connected to the inner wall of the threaded groove 22, and the size of the outer surface of the threaded rod 24 is adapted to the size of the inner wall of the circular groove 23. When using the tensioning shaft body 1 on the tensioner to adjust the tension of the conveyor belt, you can manually hold the threaded rod 24 and rotate it to a certain position in the circular hole 28, the threaded groove 22 and the inner wall of the circular groove 23 according to the width of the conveyor belt used. This will drive the inner wall of the adjusting tensioning shaft 21 to slide to one end on the outer surface of the tensioning shaft body 1 to a certain distance, so that it forms a tensioning shaft of a new length. By adjusting the sliding distance of the adjusting tensioning shaft 21, tensioning shafts of different lengths can be formed, so that the tensioning can be adjusted to suit conveyor belts of different widths. This can improve the adaptability of the tensioning shaft and the adaptability of the tensioner, making it easier to use.

[0030] Reference Figure 1-5 As shown, this embodiment discloses that one end of the threaded rod 24 is fixedly connected to a limit block 25, and the outer surface of the limit block 25 is slidably connected to the inner wall of the circular groove 23. By providing the limit block 25, the outer surface of one end of the threaded rod 24 can be limited and supported in the inner wall of the circular groove 23, so that it is not easy to shake during the back-and-forth spiral motion, and it will not spiral out of the thread groove 22. One end of the threaded rod 24 is fixedly connected to an operating block 26, and both sides of the operating block 26 are fixedly connected to a plurality of anti-slip protrusions. By providing the operating block 26, the contact area of one end of the threaded rod 24 can be increased, making it easier to manually hold and rotate it.

[0031] Reference Figure 1-5 As shown, this embodiment discloses that a bearing 27 is fixedly connected to the outer surface of one end of the threaded rod 24, and the outer ring of the bearing 27 is fixedly connected to the inner wall of the circular hole 28. By providing the bearing 27, the contact wear between the threaded rod 24 and the circular hole 28 can be reduced, thereby increasing the service life of the threaded rod 24.

[0032] Reference Figure 1-5 As shown, this embodiment discloses a detachable device 3 comprising two clamping blocks 33. A rectangular groove 31 is symmetrically defined on one side of the tensioning shaft body 1. A spring 32 is fixedly connected to the inner wall of the rectangular groove 31. One end of the spring 32 is fixedly connected to one side of the clamping block 33. One end of the clamping block 33 is slidably connected to the inner wall of the rectangular groove 31. A clamping groove 34 is defined on the outer surface of one end of the fixed shaft 4. The size and shape of the inner wall of the clamping groove 34 match the size and shape of the outer surface of one end of the clamping block 33. When the tensioning shaft body 1 or the fixed shaft 4 needs to be replaced, the two clamping blocks 33 can be manually grasped and slid to one side in the rectangular groove 31 to a certain distance, causing the spring 32 to contract and one end of the clamping block 33 to be pulled out of the clamping groove 34. The fixed shaft 4 can then be grasped and pulled out of the inner wall of the tensioning shaft body 1. This allows the two to be disassembled, making it easier to replace one component. This saves the cost of using the tensioning shaft body 1 and improves its performance.

[0033] Reference Figure 1-5As shown, this embodiment discloses a limit bar 35 symmetrically fixedly connected to the outer surface of the fixed shaft 4, and a limit slot 36 symmetrically provided on the inner wall of the tensioning shaft body 1. The outer surface size of the limit bar 35 matches the inner wall size of the limit slot 36. By providing the limit bar 35 and the limit slot 36, after the fixed shaft 4 is inserted into the inner wall of the tensioning shaft body 1, the limit bar 35 and the limit slot 36 can limit the fixed shaft 4, making it less likely to rotate. At the same time, the slot 34 can be quickly aligned with the block 33, making it easier to insert it later. A telescopic rod 37 is fixedly connected to the inner wall of the rectangular slot 31. One end of the telescopic rod 37 is fixedly connected to one side of the block 33, and the outer surface of the telescopic rod 37 is sleeved and connected to the inner wall of the spring 32. By providing the telescopic rod 37, the inner wall of the spring 32 can be supported, making it less likely to deform, bend, or be damaged during use, thereby increasing the service life of the spring 32. One side of the block 33 is fixedly connected with a pull block 38, and the cross section of the pull block 38 is semicircular. By setting the pull block 38, one side of the block 33 can be conveniently hooked manually for operation.

[0034] Working principle: when using the tensioning shaft body 1 on the tensioner to adjust the tension of the conveyor belt, you can manually hold the operating block 26 to rotate the threaded rod 24 and the bearing 27 in the circular hole 28 according to the width of the conveyor belt used, and drive the outer surface of one end to rotate to a certain position in the threaded groove 22 and the inner wall of the circular groove 23. It will drive the inner wall of the adjusting tensioning shaft 21 to slide toward one end to a certain distance on the outer surface of the tensioning shaft body 1, so that it forms a tensioning shaft of a new length. By adjusting the sliding distance of the adjusting tensioning shaft 21, tensioning shafts of different lengths can be formed, so that the tensioning can be adjusted to suit conveyor belts of different widths. This can improve the adaptability of the tensioning shaft, and at the same time improve the adaptability of the tensioner, making it easier to use.

[0035] When the tensioning shaft body 1 or the fixed rotating shaft 4 needs to be replaced, you can manually hold the pull block 38 to slide the two clamping blocks 33 to one side in the rectangular groove 31 to a certain distance, driving the spring 32 and the telescopic rod 37 to contract, and one end of the clamping block 33 is pulled out from the clamping groove 34, and then hold the fixed rotating shaft 4 to pull it out from the inner wall of the tensioning shaft body 1, so that the two can be disassembled, which is convenient for replacing a certain component. This can save the use cost of the tensioning shaft body 1 and improve the use effect.

Claims

1. A conveyor belt tensioning shaft, comprising a tensioning shaft body (1) and a fixed rotating shaft (4), characterized in that: An adjusting device (2) is provided on one side of the tensioning shaft body (1), and a detachable device (3) is provided between the inner wall of the tensioning shaft body (1) and the outer surface of the fixed rotating shaft (4). The adjusting device (2) includes an adjusting tensioning shaft (21), and the inner wall of one end of the adjusting tensioning shaft (21) is slidably connected to the outer surface of one end of the tensioning shaft body (1). A circular hole (28) is provided on one side of the adjusting tensioning shaft (21), and a threaded rod (24) is rotatably connected to the inner wall of the circular hole (28). A threaded groove (22) is provided on one side of the tensioning shaft body (1), and a circular groove (23) is provided on the inner wall of the threaded groove (22). The outer surface of the threaded rod (24) is threadedly connected to the inner wall of the threaded groove (22), and the size of the outer surface of the threaded rod (24) is adapted to the size of the inner wall of the circular groove (23).

2. The conveyor belt tensioning shaft according to claim 1, characterized in that: One end of the threaded rod (24) is fixedly connected to a limiting block (25), and the outer surface of the limiting block (25) is slidably connected to the inner wall of the circular groove (23).

3. The conveyor belt tensioning shaft according to claim 1, characterized in that: One end of the threaded rod (24) is fixedly connected to an operating block (26), and both sides of the operating block (26) are fixedly connected to a plurality of anti-slip protrusions.

4. The conveyor belt tensioning shaft according to claim 1, characterized in that: A bearing (27) is fixedly connected to the outer surface of one end of the threaded rod (24), and the outer ring of the bearing (27) is fixedly connected to the inner wall of the circular hole (28).

5. The conveyor belt tensioning shaft according to claim 1, characterized in that: The detachable device (3) comprises two clamping blocks (33), a rectangular groove (31) is symmetrically provided on one side of the tensioning shaft body (1), a spring (32) is fixedly connected to the inner wall of the rectangular groove (31), one end of the spring (32) is fixedly connected to one side of the clamping block (33), one end of the clamping block (33) is slidably connected to the inner wall of the rectangular groove (31), and a clamping groove (34) is provided on the outer surface of one end of the fixed rotating shaft (4), and the size and shape of the inner wall of the clamping groove (34) are adapted to the size and shape of the outer surface of one end of the clamping block (33).

6. The conveyor belt tensioning shaft according to claim 5, characterized in that: The outer surface of the fixed rotating shaft (4) is symmetrically fixedly connected to a limiting strip (35), and the inner wall of the tensioning shaft body (1) is symmetrically provided with a limiting groove (36), and the outer surface size of the limiting strip (35) is adapted to the inner wall size of the limiting groove (36).

7. The conveyor belt tensioning shaft according to claim 5, characterized in that: A telescopic rod (37) is fixedly connected to the inner wall of the rectangular groove (31), one end of the telescopic rod (37) is fixedly connected to one side of the clamping block (33), and the outer surface of the telescopic rod (37) is sleeved and connected to the inner wall of the spring (32).

8. The conveyor belt tensioning shaft according to claim 5, characterized in that: A pull block (38) is fixedly connected to one side of the clamping block (33), and the cross section of the pull block (38) is semicircular.

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