CN219669221U - Fine tuning self-locking spiral tensioning device - Google Patents
Fine tuning self-locking spiral tensioning device Download PDFInfo
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- CN219669221U CN219669221U CN202321119971.9U CN202321119971U CN219669221U CN 219669221 U CN219669221 U CN 219669221U CN 202321119971 U CN202321119971 U CN 202321119971U CN 219669221 U CN219669221 U CN 219669221U
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- screw rod
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- 239000010985 leather Substances 0.000 claims abstract description 15
- 230000001681 protective effect Effects 0.000 claims abstract description 6
- 238000009966 trimming Methods 0.000 claims description 4
- 230000002441 reversible effect Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Drives For Endless Conveyors (AREA)
Abstract
The utility model relates to the technical field of belt conveyors, in particular to a fine-tuning self-locking spiral tensioning device, which comprises: the device comprises a tensioning roller, a screw rod, a protective leather sheath and a fine tuning self-locking structure, wherein a bearing seat is arranged in the tensioning roller, a frame is arranged at one end of the tensioning roller, one end of the screw rod penetrates through the frame and is inserted into the tensioning roller to be connected with the bearing seat, and the other end of the screw rod is connected with internal threads of the fine tuning self-locking structure; the fine tuning self-locking structure comprises a shell, a worm, a turbine and a bearing, wherein the turbine is arranged in the shell through the bearing, and the outer wall of the worm is in meshed connection with the outer wall of the turbine; the device has the advantages of small operating force, uniform acting force, high adjusting precision, protected screw rod, long service life, convenient maintenance, cost saving, good self-locking property and convenient operation; the impact of the roller and the conveyer belt is avoided, the service life is prolonged, and the effective operation of the conveyer and the movable reversible bin allocation trolley is ensured.
Description
Technical Field
The utility model relates to the technical field of belt conveyors, in particular to a fine-tuning self-locking spiral tensioning device.
Background
The common spiral tensioning device is often used for tensioning the tail section of the conveyor and the movable reversible cabin-matching trolley due to simple structure, but has poor stability and easily damaged screw rods.
The existing spiral tensioning device has the following defects: 1. impact damage is caused to tensioning when the conveyor is started; 2. the screw rod is inconvenient to adjust; 3. the operation force is large; 4. without trimming the performance. The stress between the conveyer belt and the roller is uneven, so that deviation is generated, and the adhesive tape is worn; the screw rod is exposed and is easy to damage.
Disclosure of Invention
The present utility model is directed to a fine tuning self-locking screw tensioner to solve the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a trimming self-locking screw tensioner comprising: the device comprises a tensioning roller, a screw rod, a protective leather sheath and a fine tuning self-locking structure, wherein a bearing seat is arranged in the tensioning roller, a frame is arranged at one end of the tensioning roller, one end of the screw rod penetrates through the frame and is inserted into the tensioning roller to be connected with the bearing seat, and the other end of the screw rod is connected with internal threads of the fine tuning self-locking structure;
the fine tuning self-locking structure comprises a shell, a worm, a turbine and a bearing, wherein the turbine is installed in the shell through the bearing, and the outer wall of the worm is connected with the outer wall of the turbine in a meshed mode.
Preferably, one end of the screw rod is fixedly arranged on the bearing seat, and the protective leather sheath is sleeved on the outer wall of the screw rod.
Preferably, the protective leather sheath is corrugated, and the protective leather sheath is positioned at the inner side of the tensioning roller.
Preferably, a threaded hole is formed in the side wall of the center point of the turbine, and the threaded hole penetrates through the whole fine-tuning self-locking structure.
Preferably, the outer wall of the other end of the screw rod is in threaded connection with the inner wall of the threaded hole and penetrates through the threaded hole.
Preferably, a screw rod protecting sleeve is fixedly arranged on the outer wall of one end of the fine adjustment self-locking structure, and is positioned on the outer side of the outer port of the threaded hole to sleeve the screw rod.
Preferably, one end of the worm rotates to penetrate out of the outer side of the shell and is fixedly provided with a hand wheel.
Preferably, the screw rod is rotatably connected with the side wall of the frame, and the shell is fixedly arranged on the side wall of the frame through bolts.
Compared with the prior art, the utility model has the beneficial effects that:
the device has the advantages of small operating force, uniform acting force, high adjusting precision, protected screw rod, long service life, convenient maintenance, cost saving, good self-locking property and convenient operation; the impact of the roller and the conveyer belt is avoided, the service life is prolonged, and the effective operation of the conveyer and the movable reversible bin allocation trolley is ensured.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a diagram showing the structure of the fine tuning self-locking device of the present utility model.
In the figure: 1. tensioning the roller; 2. a screw rod; 3. protecting leather sheath; 4. a frame; 5. fine tuning the self-locking structure; 6. a hand wheel; 7. a screw rod protecting cover; 501. a housing; 502. a worm; 503. a turbine; 504. a bearing; 505. and (3) a threaded hole.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.
In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Referring to fig. 2 to 3, the present utility model provides a technical solution: a trimming self-locking screw tensioner comprising: the tensioning roller 1, the screw rod 2, the protection leather sheath 3 and the fine adjustment self-locking structure 5 are arranged in the tensioning roller 1, a bearing seat (not labeled in the figure), a frame 4 is arranged at one end of the tensioning roller 1, one end of the screw rod 2 penetrates through the frame 4 and is inserted into the tensioning roller 1 to be connected with the bearing seat, the other end of the screw rod 2 is connected with the internal threads of the fine adjustment self-locking structure 5, one end of the screw rod 2 is fixedly arranged on the bearing seat, the protection leather sheath 3 is sleeved on the outer wall of the screw rod 2, the protection leather sheath 3 is corrugated, and the protection leather sheath 3 is positioned at the inner side of the tensioning roller 1;
the fine tuning self-locking structure 5 comprises a shell 501, a worm 502, a turbine 503 and a bearing 504, wherein the turbine 503 is installed in the shell 501 through the bearing 504, the outer wall of the worm 502 is connected with the outer wall of the turbine 503 in a meshed mode, a threaded hole 505 is formed in the side wall of the center point of the turbine 503, and the threaded hole 505 penetrates through the whole fine tuning self-locking structure 5.
The other end outer wall of the screw rod 2 is in threaded connection with the inner wall of the threaded hole 505, and penetrates through the threaded hole 505, a screw rod protecting sleeve 7 is fixedly installed on the outer wall of one end of the fine-tuning self-locking structure 5, and the screw rod protecting sleeve 7 is located on the outer side of an outer port of the threaded hole 505 and is used for sleeving the screw rod 2.
One end of the worm 502 rotates to penetrate out of the outer side of the shell 501 and is fixedly provided with a hand wheel 6, the screw rod 2 is rotationally connected with the side wall of the frame 4, the shell 501 is fixedly arranged on the side wall of the frame 4 through bolts, and the device is arranged on a frame at the tail of the conveyor.
When the device works, the protection leather sheath 3 is firstly arranged on the screw rod 2, the fine adjustment self-locking structure 5 is fixed on the frame 4 by using screws, the screw rod 2 is arranged on the fine adjustment self-locking structure 5 by using the protection cover 7 and the hand wheel 6, the screw rod 2 is finally fixed on the bearing seat of the tensioning roller 1, and the whole frame body is arranged on the frame at the tail part of the conveyor.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A trimming self-locking screw tensioner comprising: tensioning cylinder (1), lead screw (2), protection leather sheath (3) and fine setting auto-lock structure (5), its characterized in that: a bearing seat is arranged in the tensioning roller (1), a frame (4) is arranged at one end of the tensioning roller (1), one end of a screw rod (2) penetrates through the frame (4) and is inserted into the tensioning roller (1) to be connected with the bearing seat, and the other end of the screw rod is connected with the internal thread of the fine-tuning self-locking structure (5);
the fine-tuning self-locking structure (5) comprises a shell (501), a worm (502), a turbine (503) and a bearing (504), wherein the turbine (503) is installed in the shell (501) through the bearing (504), and the outer wall of the worm (502) is connected with the outer wall of the turbine (503) in a meshed mode.
2. The fine tuning self-locking screw tensioner of claim 1, wherein: one end of the screw rod (2) is fixedly arranged on the bearing seat, and the protective leather sheath (3) is sleeved on the outer wall of the screw rod (2).
3. The fine tuning self-locking screw tightening device according to claim 2, wherein: the protection leather sheath (3) is corrugated, and the protection leather sheath (3) is positioned at the inner side of the tensioning roller (1).
4. The fine tuning self-locking screw tensioner of claim 1, wherein: a threaded hole (505) is formed in the side wall of the center point of the turbine (503), and the threaded hole (505) penetrates through the whole fine-tuning self-locking structure (5).
5. The fine tuning self-locking screw tensioner of claim 4, wherein: the outer wall of the other end of the screw rod (2) is in threaded connection with the inner wall of the threaded hole (505) and penetrates through the threaded hole (505).
6. The fine tuning self-locking screw tensioner of claim 1, wherein: and a screw rod protecting sleeve (7) is fixedly arranged on the outer wall of one end of the fine adjustment self-locking structure (5), and the screw rod protecting sleeve (7) is positioned at the outer side of the outer port of the threaded hole (505) to sleeve the screw rod (2).
7. The fine tuning self-locking screw tightening device according to claim 6, wherein: one end of the worm (502) rotates to penetrate out of the outer side of the shell (501) and is fixedly provided with a hand wheel (6).
8. The fine tuning self-locking screw tensioner of claim 1, wherein: the screw rod (2) is rotationally connected with the side wall of the frame (4), and the shell (501) is fixedly arranged on the side wall of the frame (4) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321119971.9U CN219669221U (en) | 2023-05-11 | 2023-05-11 | Fine tuning self-locking spiral tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321119971.9U CN219669221U (en) | 2023-05-11 | 2023-05-11 | Fine tuning self-locking spiral tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219669221U true CN219669221U (en) | 2023-09-12 |
Family
ID=87898529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321119971.9U Active CN219669221U (en) | 2023-05-11 | 2023-05-11 | Fine tuning self-locking spiral tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219669221U (en) |
-
2023
- 2023-05-11 CN CN202321119971.9U patent/CN219669221U/en active Active
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