CN220431283U - Conveyer belt tensioning adjusting device and conveyer belt device - Google Patents
Conveyer belt tensioning adjusting device and conveyer belt device Download PDFInfo
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- CN220431283U CN220431283U CN202321668854.8U CN202321668854U CN220431283U CN 220431283 U CN220431283 U CN 220431283U CN 202321668854 U CN202321668854 U CN 202321668854U CN 220431283 U CN220431283 U CN 220431283U
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- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model relates to a conveyor belt tensioning adjustment device and a conveyor belt device, comprising: the fixing plate is fixed in position; the double-thread nut is in threaded connection with the fixed plate and comprises an internal thread and an external thread, and the internal thread and the external thread have the same thread direction and different thread pitches; one end of the screw rod is used for being connected with a driven shaft at the end part of the conveying belt device, and the other end of the screw rod is in threaded connection with the double-threaded nut. The conveyer belt tensioning and adjusting device can be used for fine adjustment so as to improve adjusting efficiency.
Description
Technical Field
The utility model relates to the technical field of adjusting devices, in particular to a conveyor belt tensioning adjusting device and a conveyor belt device.
Background
Conveyor belts are a common device for transporting articles and are widely used in the manufacturing industry, logistics industry and other fields. The conveyer belt is too tight or too loose because of reasons such as processing, assembly in the operation, needs to adjust the rate of tension of conveyer belt this moment. The current adjustment mode of the tension degree of the conveying net belt is as follows: the end of the screw abuts against the driven shaft, the screw is further in threaded connection with the supporting plate of the conveying belt, and the driven shaft is moved by rotating the screw. The existing adjustment mode cannot be fine-tuned, because both ends of the driven shaft need to be debugged, the driven shaft may not be parallel to the driving shaft after one time of debugging, and multiple times of debugging are needed, so that the debugging operation time is long, and the adjustment efficiency is low.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to provide a conveyor belt tensioning and adjusting device and a conveyor belt device, which can be finely adjusted so as to improve the adjusting efficiency.
In order to solve the technical problems, the utility model provides a conveyor belt tensioning and adjusting device, which comprises: the fixing plate is fixed in position; the double-thread nut is in threaded connection with the fixed plate and comprises an internal thread and an external thread, and the internal thread and the external thread have the same thread direction and different thread pitches; one end of the screw rod is used for being connected with a driven shaft at the end part of the conveying belt device, and the other end of the screw rod is in threaded connection with the double-threaded nut.
In one embodiment of the present utility model, the screw further comprises a first set screw, the first set screw is in threaded connection with the driven shaft, and the end of the first set screw abuts against the screw rod.
In one embodiment of the present utility model, the driving device further comprises a lock nut, wherein the lock nut is in threaded connection with the screw rod, and the lock nut is located between the driven shaft and the double-threaded nut.
In one embodiment of the present utility model, the number of the lock nuts is at least two.
In one embodiment of the utility model, a stop cap is provided at an end of the screw proximate the driven shaft.
In one embodiment of the utility model, the thread pitches of the threads at the two ends of the screw are different and the thread directions are the same.
In one embodiment of the present utility model, a second set screw is further included, the second set screw is in threaded connection with the fixing plate, and an end of the second set screw abuts against the double threaded nut.
A conveyor belt assembly comprising any one of the conveyor belt tensioning adjustment devices described above.
In one embodiment of the utility model, a support plate is included that is provided with a through slot that is larger than the diameter of the driven shaft that passes through the through slot.
In one embodiment of the utility model, the support plate is connected to the fixing plate.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
according to the conveyer belt tensioning and adjusting device, the directions of the internal threads and the external threads of the double-thread screw nuts are the same, and the pitches of the threads are different, so that the movement of a driven shaft can be finely adjusted by rotating the double-thread screw nuts; the driven shaft can be quickly adjusted by fixing the double-threaded nut and rotating the screw, so that the quick adjustment and fine adjustment can be used, and the adjustment efficiency is improved.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic diagram of a belt tensioning adjustment device of the present utility model;
fig. 2 is a partial enlarged view at a in fig. 1.
Description of the specification reference numerals: 1. a driven roller; 2. a driven shaft; 3. a bearing; 4. a support plate; 5. a screw; 6. a double threaded nut; 7. a lock nut; 8. a fixing plate; 41. a through groove; 51. a blocking cover; 52. a first set screw.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Example 1
Referring to fig. 1 and 2, a conveyor belt tension adjusting apparatus of the present utility model includes: a fixing plate 8, wherein the fixing plate 8 is fixed in position; the double-thread nut 6 is in threaded connection with the fixing plate 8, the double-thread nut 6 comprises an internal thread and an external thread, and the internal thread and the external thread have the same thread direction and different thread pitches; and one end of the screw rod 5 is used for being connected with the driven shaft 2 at the end part of the conveying belt device, and the other end of the screw rod is in threaded connection with the double-threaded nut 6.
According to the conveyer belt tensioning and adjusting device, the double-threaded nut 6 and the fixed plate 8 are enabled to generate relative displacement through rotating the double-threaded nut 6, the screw rod 5 and the double-threaded nut 6 are enabled to generate relative displacement, and the moving positions are opposite, so that the moving distance of the screw rod 5 is the pitch difference of the internal threads and the external threads of the double-threaded nut 6, and further the moving distance of the driven shaft 2 driven by the screw rod 5 is enabled to be smaller, and fine adjustment can be carried out. The double-thread nut 6 is fixed through a tool, and the screw 5 is rotated, so that the moving distance of the driven shaft 2 driven by the screw 5 is large, and the quick adjustment can be performed. The quick adjustment and the fine adjustment can be used, and the adjustment efficiency is improved.
The fixed plate 8 is perpendicular to the end face of the driven shaft 2, and the fixed plate 8 is fixed in position, specifically, the fixed plate 8 can be fixed with the ground. The fixed plate 8 is provided with a threaded hole parallel to the position of the driven shaft 2, the diameter and the thread pitch of the threaded hole are matched with those of the external thread of the double-threaded nut 6, and the double-threaded nut 6 is rotated to enable the double-threaded nut 6 and the fixed plate 8 to generate relative displacement. One end of the screw 5 is connected with the driven shaft 2, and the other end is connected with the double-threaded nut 6, so that the screw 5 can drive the driven shaft 2 to move when the double-threaded nut rotates. The driven shaft 2 is also in threaded connection with a first set screw 52, and the end of the first set screw 52 abuts against the screw 5, so that the screw 5 is fixed. Specifically, the first set screw 52 is threaded through the end of the driven shaft 2, and the end of the first set screw 52 abuts against the threaded wall of the screw 5. The fixing plate 8 is also in threaded connection with a second set screw, and the end of the second set screw abuts against the double-threaded nut 6. Specifically, the second set screw is threaded through the side of the fixing plate 8, and the end of the second set screw abuts against the threaded wall of the double-threaded nut 6. The screw 5 can be connected with a locking nut 7 in a threaded manner, and the locking nut 7 is positioned between the driven shaft 2 and the double-threaded nut 6. The locking nut 7 can be abutted against the side wall of the driven shaft 2, so that the screw 5 is locked and fixed. The locking nut 7 can also be abutted against the fixing plate 8, so that the double-threaded nut 6 is locked and fixed. At least two locking nuts 7 can be arranged between the driven shaft 2 and the double-threaded nut 6, so that the double-threaded nut 6 and the screw 5 are fixed. One or more fixing modes of the screw 5 and the double-threaded nut 6 can be adopted. The screw rod 5 is close to the one end of driven shaft 2 can be provided with the fender lid 51 to make screw rod 5 pass driven shaft 2 and accomplish the equipment by the side that keeps away from fixed plate 8 on the driven shaft 2, the fender lid 51 can drive driven shaft 2 and remove, this kind of setting up mode convenient equipment.
In another embodiment, the directions of the internal threads and the external threads of the double-threaded nut 6 are set to be opposite directions, and the screw 5 drives the driven shaft 2 to move faster by rotating the double-threaded nut 6.
In another embodiment, the screw pitches of the threads at two ends of the screw 5 are different and the thread directions are the same, and the diameters of the two ends of the screw 5 are different, so that the double-thread nut 6 can be fixed at the moment, and the effect of fine adjustment on the driven shaft 2 can be achieved by only rotating the screw 5; the screw 5 can be directly connected with the fixed plate 8 without using the double-thread nut 6, and the effect of fine adjustment of the driven shaft 2 can be achieved.
In another embodiment, the thread pitches and thread directions of the threads at two ends of the screw 5 are different, the diameters at two ends of the screw 5 are also different, and the arrangement mode is the same as that of the previous embodiment, so that the effect that the screw 5 drives the driven shaft 2 to move faster can be achieved.
In use, referring to the arrangement of fig. 2, the external thread of the double threaded nut 6 is a right-hand thread, the pitch of the external thread being greater than the pitch of the internal thread, this arrangement being for example only. When fine adjustment is needed, the first set screw 52 is kept locked, the lock nut 7 is loosened, the double-threaded nut 6 is rotated along the pointer for one circle, at the moment, the double-threaded nut 6 moves towards the direction of the driven shaft 2, meanwhile, the screw 5 penetrates into the double-threaded nut 6 to move towards the direction of the fixed plate 8, and because the external thread pitch of the double-threaded nut 6 is larger than the internal thread pitch, the integral structure moves towards the direction of the driven shaft 2 by the difference distance between the external thread pitch and the internal thread, and then the driven shaft 2 moves away from the direction of the fixed plate 8 by the difference distance between the external thread pitch and the internal thread, so fine adjustment can be performed; the double threaded nut 6 is rotated counterclockwise, and the driven shaft 2 moves toward the fixed plate 8 in the same manner as described above. When the quick adjustment or the assembly is required, the double-threaded nut 6 and the locking nut 7 are locked, so that the double-threaded nut 6 is in a fixed state, then the first set screw 52 is loosened, the screw 5 is in a rotatable state, and finally the screw 5 is rotated in a corresponding direction by using tools such as a wrench, so that the adjustment or the assembly can be quickly completed.
Example two
In addition, the present embodiment further includes a conveyor belt tensioning adjustment device in the first embodiment, and the structure and the use principle thereof are not described herein in detail. The conveyer belt device still includes conveyer belt, driving piece, drive shaft, driven shaft 2 and backup pad 4, and wherein driving piece and drive shaft are located the one end of conveyer belt device, and driven shaft 2 and drive shaft parallel arrangement, and driven shaft 2 is provided with a plurality of, and backup pad 4 is located the tip of drive shaft and driven shaft 2, drive shaft and backup pad 4 swivelling joint. The conveyer belt tensioning adjusting device is positioned at two ends of the driven shaft 2 at the end part of the conveyer belt device, and the fixed plate 8 is connected with the supporting plate 4. The support plate 4 is provided with through grooves 41 larger than the diameter of the driven shaft 2 at two ends of the driven shaft 2 corresponding to the end part of the conveyor belt device, the end part of the driven shaft 2 penetrates through the through grooves 41 to be connected with the conveyor belt tensioning adjusting device, and the driven shaft 2 can move in the through grooves 41. The driving roller is sleeved outside the driving shaft, and the driving shaft can drive the driving roller to rotate. The bearing 3 is sleeved outside the driven shaft 2, and the driven roller 1 is sleeved outside the bearing 3, so that the driven roller 1 can rotate by taking the driven shaft 2 as an axis. The driving roller and the driven roller 1 are sleeved with the conveying net belt, and the distance between the driving roller and the driven roller 1 provides a certain tensioning force for the conveying net belt, so that the driving piece can drive the conveying net belt to move.
According to the conveyer belt tensioning and adjusting device, the directions of the internal threads and the external threads of the double-thread screw nuts are the same and the screw pitches are different, and the movement of the driven shaft 2 can be finely adjusted by rotating the double-thread screw nuts 6; the driven shaft 2 can be quickly adjusted by fixing the double-threaded nut 6 and rotating the screw 5, so that the quick adjustment and fine adjustment can be used, and the adjustment efficiency is improved.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. A conveyor belt tensioning adjustment device, comprising:
the fixing plate is fixed in position;
the double-thread nut is in threaded connection with the fixed plate and comprises an internal thread and an external thread, and the internal thread and the external thread have the same thread direction and different thread pitches;
one end of the screw rod is used for being connected with a driven shaft at the end part of the conveying belt device, and the other end of the screw rod is in threaded connection with the double-threaded nut.
2. The conveyor belt tensioning adjustment device of claim 1, wherein: the device further comprises a first set screw, wherein the first set screw is in threaded connection with the driven shaft, and the end part of the first set screw abuts against the screw rod.
3. The conveyor belt tensioning adjustment device of claim 1, wherein: the locking nut is in threaded connection with the screw rod, and the locking nut is located between the driven shaft and the double-threaded nut.
4. A conveyor belt tensioning adjustment as in claim 3 wherein: the number of the locking nuts is at least two.
5. The conveyor belt tensioning adjustment device of claim 1, wherein: and a blocking cover is arranged at one end of the screw close to the driven shaft.
6. The conveyor belt tensioning adjustment device of claim 1, wherein: the screw pitches of threads at two ends of the screw are different and the directions of the threads are the same.
7. The conveyor belt tensioning adjustment device of claim 1, wherein: the fixing plate further comprises a second set screw, the second set screw is in threaded connection with the fixing plate, and the end part of the second set screw abuts against the double-threaded nut.
8. A conveyor belt assembly, characterized by: a conveyor belt tensioning adjustment device comprising any one of claims 1-7.
9. A conveyor belt assembly as in claim 8 comprising a support plate provided with a through slot greater than the diameter of the driven shaft, the driven shaft passing through the through slot.
10. The conveyor belt assembly of claim 9, wherein: the supporting plate is connected with the fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321668854.8U CN220431283U (en) | 2023-06-28 | 2023-06-28 | Conveyer belt tensioning adjusting device and conveyer belt device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321668854.8U CN220431283U (en) | 2023-06-28 | 2023-06-28 | Conveyer belt tensioning adjusting device and conveyer belt device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220431283U true CN220431283U (en) | 2024-02-02 |
Family
ID=89693707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321668854.8U Active CN220431283U (en) | 2023-06-28 | 2023-06-28 | Conveyer belt tensioning adjusting device and conveyer belt device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220431283U (en) |
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2023
- 2023-06-28 CN CN202321668854.8U patent/CN220431283U/en active Active
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