CN211599430U - Adjustable belt self-tensioning device - Google Patents
Adjustable belt self-tensioning device Download PDFInfo
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- CN211599430U CN211599430U CN202020094440.9U CN202020094440U CN211599430U CN 211599430 U CN211599430 U CN 211599430U CN 202020094440 U CN202020094440 U CN 202020094440U CN 211599430 U CN211599430 U CN 211599430U
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- tensioning
- belt
- spring
- supporting seat
- sleeved
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Abstract
The utility model discloses a belt is from overspeed device tensioner with adjustable belongs to belt drive technical field. The device comprises a supporting seat, a guide assembly, a tensioning part and an adjusting assembly, wherein the adjusting assembly and the guide assembly are arranged on the supporting seat, and the tensioning part is connected with the guide assembly in a sliding manner and is connected with the adjusting assembly. Adopt lower guide arm and upper guide arm to lead and spacing tensioning member, when guaranteeing structural rigidity and stability, improved the position precision of the relative belt of take-up pulley, help making the belt even running, help prolonging the life of belt. After the belt is loosened, the tensioning wheel moves downwards under the action of the dead weight of the tensioning part, the tensioning wheel continues to be pressed on the belt to tension the belt, meanwhile, the spring extends to automatically compensate the loosening amount of the belt, the tensioning part is pushed downwards, the tensioning force of the belt is always maintained in a reasonable range, the automatic tensioning force adjusting process is continuous and stable, and the stability and the reliability of the operation of the belt are improved.
Description
Technical Field
The utility model relates to a belt is from overspeed device tensioner with adjustable belongs to belt drive technical field.
Background
The belt transmission has the advantages of simple structure, stable operation and the like, and is widely applied to various fields of industrial production. When the belt is installed, the tension of the belt needs to be well controlled so as to obtain better transmission performance and longer service life; meanwhile, after the belt runs for a long time, fatigue and elastic failure are easy to occur, so that looseness is generated, and the transmission efficiency is reduced. To this end, chinese patent publication No. CN202100669U discloses an automatic tension device for a v-belt, which comprises a pressing wheel rolling connected with the v-belt, a mandrel rotatably connected with the pressing wheel, wheel carriers fixedly connected with both ends of the mandrel, a guide rod rotatably connected with the wheel carriers at the upper end, a spring and a spring slide seat sequentially sleeved on the guide rod, and a nut engaged with the lower end of the guide rod, wherein the nut is fixedly connected with a frame of a driving wheel engaged with the v-belt. Through the pretightning force of the adjustable spring of rotating guide arm, then through the pinch roller to the V belt application of force, make the pulling force of V belt accord with the transmission requirement, along with lengthening gradually of V belt, the pretightning force of spring can make the pinch roller move forward, plays the effect of automatically regulated V belt rate of tension. However, the upper end of the guide rod is rotatably connected with the wheel carrier, and the wheel carrier is easy to rotate around the guide rod due to friction between the pressing wheel and the belt in the working process of the belt, so that the pressing wheel deflects relative to the belt, further the belt is stressed unevenly, the abrasion is accelerated, and even the belt is separated from the belt wheel; in addition, when the guide rod is rotated to enable the wheel frame and the pressing wheel to be far away from the nut to tension the belt, the spring is stretched, the deformation amount is reduced, and after the belt is loosened, the loosening amount of the belt is not favorably compensated, namely the belt is not favorably kept in a tensioning state for a long time.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a belt is from overspeed device tensioner with adjustable.
The utility model discloses a following technical scheme can realize:
the utility model provides a belt is from overspeed device tensioner with adjustable, includes supporting seat, guide assembly, tensioning part and adjusting part, the adjusting part with guide assembly all establishes on the supporting seat, tensioning part and guide assembly sliding connection to be connected with adjusting part.
The supporting seat comprises a bottom plate and a vertical plate arranged on the bottom plate, and a threaded hole is formed in the middle of the vertical plate.
The guide assembly comprises a lower guide rod and an upper guide rod which are arranged on the supporting seat side by side.
And the lower guide rod and the upper guide rod are respectively provided with a stop dog at one end far away from the supporting seat.
The tensioning component comprises a U-shaped support and a tensioning assembly, and the tensioning assembly is arranged at the U-shaped opening end of the U-shaped support.
The U-shaped support comprises a lower sliding block and an upper sliding block, and the upper sliding block is connected with the lower sliding block through a square pressure rod.
The tensioning assembly comprises a round shaft and a tensioning wheel, the tensioning wheel is sleeved on the round shaft through two rolling bearings, a middle shaft sleeve is sleeved on the round shaft between the two rolling bearings, an upper shaft sleeve is sleeved on the upper side of the two rolling bearings on the round shaft, and a lower shaft sleeve is sleeved on the lower side of the round shaft.
The adjusting component comprises a screw rod, a spring and a spring support rod, the screw rod is in threaded connection with the supporting seat, a blind hole is formed in the screw rod in the axial direction, one end of the spring support rod is connected with the tensioning component, the other end of the spring support rod extends into the blind hole and is in sliding connection with the screw rod, and the spring is sleeved on the spring support rod.
And an outer hexagonal head is arranged at one end of the screw rod, which is far away from the spring support rod.
A left spring retainer ring is sleeved on the spring support rod between the spring and the tensioning part, and a right spring retainer ring is sleeved between the spring and the screw rod.
The beneficial effects of the utility model reside in that:
1. adopt lower guide arm and upper guide arm to lead and spacing tensioning member, when guaranteeing structural rigidity and stability, improved the position precision of the relative belt of take-up pulley, help making the belt even running, help prolonging the life of belt.
2. After the belt is loosened, the tensioning wheel moves downwards under the action of the dead weight of the tensioning part, the tensioning wheel continues to be pressed on the belt to tension the belt, meanwhile, the spring extends to automatically compensate the loosening amount of the belt, the tensioning part is pushed downwards, the tensioning force of the belt is always maintained in a reasonable range, the automatic tensioning force adjusting process is continuous and stable, and the stability and the reliability of the operation of the belt are improved.
3. The cantilever type structure supported by the single surface is adopted, the structure is simple, the installation is convenient and fast, and the application range is wide.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the explosion structure of the present invention;
fig. 3 is a schematic structural view of the tensioning device of the present invention located inside the belt and tensioning the belt;
fig. 4 is the utility model discloses a overspeed device tensioner is located the belt outside to the schematic structure when tensioning the belt.
In the figure: 1-supporting seat, 2-screw rod, 3-lower guide rod, 4-square pressure rod, 5-lower slide block, 6-lower shaft sleeve, 7-tensioning wheel, 8-rolling bearing, 9-upper shaft sleeve, 10-upper slide block, 11-upper guide rod, 12-left spring retainer ring, 13-spring, 14-right spring retainer ring, 15-spring support rod, 16-round shaft and 17-middle shaft sleeve.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 to 4, an adjustable belt self-tensioning device, including supporting seat 1, guide assembly, tensioning part and adjusting part, the adjusting part with guide assembly all installs on supporting seat 1, tensioning part and guide assembly sliding connection to be connected with adjusting part.
The supporting seat 1 comprises a bottom plate and a vertical plate welded on the bottom plate, and a threaded hole is processed in the middle of the vertical plate. The threaded hole is used for being in threaded connection with the screw rod 2. Stepped holes are formed in the upper portion and the lower portion of the vertical plate, so that the lower guide rod 3 and the upper guide rod 11 are locked and fixed on the vertical plate through bolts after one end of the lower guide rod 3 or one end of the upper guide rod 11 penetrates into the stepped holes conveniently. A plurality of through holes are processed on the bottom plate, and the supporting seat 1 is fixedly arranged on fixed parts such as a machine shell through bolts convenient to use.
The guide assembly comprises a lower guide rod 3 and an upper guide rod 11 which are arranged on the support base 1 side by side.
And the lower guide rod 3 and the upper guide rod 11 are provided with a stop dog at one end far away from the supporting seat 1. The slide blocks are limited by stop blocks (not shown in the figure), so that the upper slide block 10 and the lower slide block 5 are prevented from being separated from the upper guide rod 11 and the lower guide rod 3.
The tensioning component comprises a U-shaped support and a tensioning assembly, and the tensioning assembly is installed at the U-shaped opening end of the U-shaped support.
The U-shaped support comprises a lower sliding block 5 and an upper sliding block 10, and the upper sliding block 10 is connected with the lower sliding block 5 through a square pressure rod 4. When the sliding guide is used, the upper sliding block 10 is provided with a through hole A along the length direction, so that the upper sliding block 10 is conveniently in sliding connection with the upper guide rod 11; a through hole B is processed on the lower sliding block 5 along the length direction, so that the lower sliding block 5 is conveniently in sliding connection with the lower guide rod 3. All processing has two quad slit on top shoe 10 and the lower slider 5, and square boss has all been processed to the both ends of square depression bar 4 and round axle 6 corresponding processing, and the quad slit is used for holding and installs square boss to prevent to rotate after square depression bar 4 and the installation of round axle 6. Threaded holes are processed in one end, far away from the screw rod 2, of the spring support rod 15, a through hole C is processed in the middle of the square pressure rod 4, and the spring support rod 15 is locked and fixed on the square pressure rod 4 after a bolt penetrates through the through hole C conveniently.
The tensioning assembly comprises a round shaft 16 and a tensioning wheel 7, the tensioning wheel 7 is sleeved on the round shaft 16 through two rolling bearings 8, a middle shaft sleeve 17 is sleeved on the round shaft 16 between the two rolling bearings 8, an upper shaft sleeve 9 is sleeved on the round shaft 16 at the upper sides of the two rolling bearings 8, and a lower shaft sleeve 6 is sleeved at the lower side. The position of the two rolling bearings 8 on the circular shaft 16 is defined by the upper sleeve 9, the intermediate sleeve 17 and the lower sleeve 6.
The adjusting part comprises a screw rod 2, a spring 13 and a spring support rod 15, the screw rod 2 is in threaded connection with the supporting seat 1, a blind hole is formed in the screw rod 2 in the axial direction, one end of the spring support rod 15 is connected with the tensioning part, the other end of the spring support rod 15 extends into the blind hole and is in sliding connection with the screw rod 2, and the spring 13 is sleeved on the spring support rod 15.
An outer hexagonal head is processed at one end of the screw rod 2 far away from the spring support rod 15. The tool such as a spanner is convenient to use and is clamped into the external hexagonal head rotating screw rod 2.
The spring support rod 15 is sleeved with a left spring retainer ring 12 between the spring 13 and the tensioning part, and a right spring retainer ring 14 is sleeved between the spring 13 and the screw rod 2.
Belt is from overspeed device tensioner with adjustable, its theory of operation or use as follows:
after the tensioning device is installed and fixed, the tensioning wheel 7 presses down on the belt to tension the belt under the action of the self-gravity of the tensioning member and the elastic force of the spring 13, as shown in fig. 3 and 4. The screw rod 2 can be rotated according to the requirement, so that the screw rod 2 moves towards the direction close to the tension wheel 7, the spring 13 is gradually compressed in the moving process of the screw rod 2, the deformation quantity is gradually increased, and the tension force is adjusted. After the belt is loosened, the tensioning wheel 7 moves downwards under the action of the dead weight of the tensioning part, continues to press on the belt to tension the belt, meanwhile, the spring 13 extends to automatically compensate the loosening amount of the belt, and pushes the tensioning part downwards, so that the tensioning force of the belt is always maintained in a reasonable range, and the stability of the operation of the belt is improved.
To sum up, the utility model provides an adjustable belt is from overspeed device tensioner, its beneficial effect as follows:
1. adopt lower guide arm 3 and upper guide arm 11 to lead and spacing tensioning member, when guaranteeing structural rigidity and stability, improved the position precision of take-up pulley 7 relative belt, help making the belt even running, help prolonging the life of belt.
2. After the belt is loosened, the tensioning wheel 7 moves downwards under the action of the dead weight of the tensioning part, the belt continues to be tensioned by being pressed on the belt, meanwhile, the spring 13 extends to automatically compensate the loosening amount of the belt, the tensioning part is pushed downwards, the tensioning force of the belt is always maintained in a reasonable range, the automatic tensioning force adjusting process is continuous and stable, and the stability and the reliability of the operation of the belt are improved.
3. The cantilever type structure supported by the single surface is adopted, the structure is simple, the installation is convenient and fast, and the application range is wide.
Claims (10)
1. The utility model provides a belt is from overspeed device tensioner with adjustable which characterized in that: including supporting seat (1), direction subassembly, tensioning part and adjusting part, the adjusting part with the direction subassembly is all established on supporting seat (1), tensioning part and direction subassembly sliding connection to be connected with the adjusting part.
2. The adjustable self-tensioning belt device of claim 1, wherein: the supporting seat (1) comprises a bottom plate and a vertical plate arranged on the bottom plate, and a threaded hole is formed in the middle of the vertical plate.
3. The adjustable self-tensioning belt device of claim 1, wherein: the guide assembly comprises a lower guide rod (3) and an upper guide rod (11) which are arranged on the supporting seat (1) side by side.
4. The adjustable self-tensioning belt device of claim 3, wherein: and the lower guide rod (3) and the upper guide rod (11) are respectively provided with a stop dog at one end far away from the supporting seat (1).
5. The adjustable self-tensioning belt device of claim 1, wherein: the tensioning component comprises a U-shaped support and a tensioning assembly, and the tensioning assembly is arranged at the U-shaped opening end of the U-shaped support.
6. The adjustable self-tensioning belt as claimed in claim 5, wherein: the U-shaped support comprises a lower sliding block (5) and an upper sliding block (10), and the upper sliding block (10) is connected with the lower sliding block (5) through a square pressure lever (4).
7. The adjustable self-tensioning belt as claimed in claim 5, wherein: the tensioning assembly comprises a round shaft (16) and a tensioning wheel (7), the tensioning wheel (7) is sleeved on the round shaft (16) through two rolling bearings (8), a middle shaft sleeve (17) is sleeved between the two rolling bearings (8) on the round shaft (16), an upper shaft sleeve (9) is sleeved on the upper side of the two rolling bearings (8) on the round shaft (16), and a lower shaft sleeve (6) is sleeved on the lower side of the round shaft.
8. The adjustable self-tensioning belt device of claim 1, wherein: the adjusting assembly comprises a screw rod (2), a spring (13) and a spring support rod (15), the screw rod (2) is in threaded connection with the supporting seat (1), a blind hole is formed in the screw rod (2) in the axial direction, one end of the spring support rod (15) is connected with the tensioning part, the other end of the spring support rod extends into the blind hole and is in sliding connection with the screw rod (2), and the spring (13) is sleeved on the spring support rod (15).
9. The adjustable self-tensioning belt as claimed in claim 8, wherein: and an outer hexagonal head is arranged at one end of the screw rod (2) far away from the spring support rod (15).
10. The adjustable self-tensioning belt as claimed in claim 8, wherein: a left spring retainer ring (12) is sleeved on the spring support rod (15) between the spring (13) and the tensioning part, and a right spring retainer ring (14) is sleeved between the spring (13) and the screw rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020094440.9U CN211599430U (en) | 2020-01-16 | 2020-01-16 | Adjustable belt self-tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020094440.9U CN211599430U (en) | 2020-01-16 | 2020-01-16 | Adjustable belt self-tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211599430U true CN211599430U (en) | 2020-09-29 |
Family
ID=72577480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020094440.9U Expired - Fee Related CN211599430U (en) | 2020-01-16 | 2020-01-16 | Adjustable belt self-tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211599430U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114789603A (en) * | 2021-01-25 | 2022-07-26 | 南京以太通信技术有限公司 | Tensioning device and ink jet numbering machine |
| CN115012617A (en) * | 2021-03-05 | 2022-09-06 | 广东博智林机器人有限公司 | Lifting device and plastering equipment |
-
2020
- 2020-01-16 CN CN202020094440.9U patent/CN211599430U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114789603A (en) * | 2021-01-25 | 2022-07-26 | 南京以太通信技术有限公司 | Tensioning device and ink jet numbering machine |
| CN115012617A (en) * | 2021-03-05 | 2022-09-06 | 广东博智林机器人有限公司 | Lifting device and plastering equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 Termination date: 20220116 |