CN214534312U - Synchronous belt tensioning device - Google Patents
Synchronous belt tensioning device Download PDFInfo
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- CN214534312U CN214534312U CN202022985142.1U CN202022985142U CN214534312U CN 214534312 U CN214534312 U CN 214534312U CN 202022985142 U CN202022985142 U CN 202022985142U CN 214534312 U CN214534312 U CN 214534312U
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- tensioning
- tensioning seat
- synchronous belt
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Abstract
The utility model discloses a synchronous belt tensioning device, which is used for a synchronous belt wheel assembly, the synchronous belt wheel assembly comprises two synchronous wheels and a synchronous belt sleeved on the two synchronous wheels, wherein, the synchronous belt tensioning device comprises an adjusting mechanism, a tension meter and a first tensioning seat and a second tensioning seat which are arranged oppositely, the first tensioning seat and the second tensioning seat are used for respectively supporting the two synchronous wheels in a back direction, the adjusting mechanism is used for adjusting the direction of the second tensioning seat or the movement of the second tensioning seat in a back direction to the first tensioning seat; the body of the tension meter is fixed on the first tensioning seat, and a force measuring rod of the tension meter is connected with the second tensioning seat; or the body of the tension meter is fixed on the second tensioning seat, and the force measuring rod of the tension meter is connected with the first tensioning seat. The utility model discloses a hold-in range overspeed device tensioner is used for realizing the tensioning of hold-in range, easy operation, convenient to use.
Description
Technical Field
The utility model relates to a hold-in range technical field, in particular to hold-in range overspeed device tensioner.
Background
The synchronous belt is one of the most common transmission parts in industrial production and human life, such as the application on a cooperative robot, the synchronous belt must work normally after being pre-tensioned, and the magnitude of the installation tension deeply influences the working performance of the synchronous belt. If the installation tension is too small, the gear is easy to jump or slip, or the required transmission force cannot be achieved; if the installation tension is too large, the synchronous belt is easy to be tightened and the service life is shortened, or the bearing is easy to be worn due to too large stress.
At present, a sound wave type belt tensiometer is usually adopted to determine the tension force of a synchronous belt, when the synchronous belt is tensioned, a synchronous belt wheel needs to be pulled open manually, the pulling force cannot be controlled accurately, so that the tension force of the synchronous belt can be ensured to be within an allowable range only by pulling open for multiple times, and the operation is complicated; in addition, the special jig for manufacturing is opened through the spring to push the synchronous pulleys at the two ends of the spring, but after the jig is used for a long time, the elasticity of the spring changes, so that the jig needs to be calibrated after a period of time, and the jig is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hold-in range overspeed device tensioner, aim at solving the technical problem who exists among the above-mentioned background art.
In order to achieve the above object, the present invention provides a synchronous belt tensioning device for a synchronous belt wheel assembly, the synchronous belt wheel assembly comprises two synchronous wheels and a synchronous belt sleeved on the two synchronous wheels, wherein the synchronous belt tensioning device comprises an adjusting mechanism, a tension meter and a first tensioning seat and a second tensioning seat which are oppositely arranged, the first tensioning seat and the second tensioning seat are used for respectively supporting the two synchronous wheels in a back-to-back manner, and the adjusting mechanism is used for adjusting the second tensioning seat to move towards or away from the first tensioning seat;
the body of the tension meter is fixed on the first tensioning seat, and a force measuring rod of the tension meter is connected with the second tensioning seat; or the body of the tension meter is fixed on the second tensioning seat, and the force measuring rod of the tension meter is connected with the first tensioning seat.
Preferably, adjustment mechanism includes the screw rod, the screw rod wear to establish on the second tensioning seat and with second tensioning seat screw-thread fit, the one end of screw rod with first tensioning seat normal running fit, the other end of screw rod is the free end.
Preferably, the adjusting mechanism further comprises a hand wheel arranged at the other end of the screw rod.
Preferably, the first tensioning seat is provided with a blind hole matched with the screw rod, and the screw rod is abutted against the bottom of the blind hole and is in running fit with the hole wall of the blind hole.
Preferably, be equipped with on the first tensioning seat with the guiding axle that the screw rod was arranged side by side, correspond on the second tensioning seat be equipped with the guide hole of guiding axle adaptation, the guiding axle is worn to be established in the guide hole with second tensioning seat sliding fit.
Preferably, the body of the tension meter is fixed on the first tensioning seat, and the force measuring rod of the tension meter is connected with the second tensioning seat;
first tensioning seat includes two diaphragms that the interval set up from top to bottom and is located two relative two risers that set up about and between the diaphragm, the organism setting of tensiometer is in being located the top on the diaphragm, the one end and two of guiding axle one of them fixed connection of riser, the other end of guiding axle is from another the riser is worn out, with second tensioning seat sliding fit.
Preferably, the number of the guide shafts is two, and the two guide shafts are respectively positioned at two sides of the screw rod.
Preferably, the body of the tension meter is fixed on the first tensioning seat, and the force measuring rod of the tension meter is connected with the second tensioning seat;
the second tensioning seat is provided with a connecting groove, the force measuring rod of the tension meter is accommodated in the connecting groove, and the tail end of the force measuring rod is provided with a stop block which is positioned outside the connecting groove and can be abutted against the second tensioning seat.
Preferably, the first tensioning seat and the second tensioning seat are both provided with abutting blocks for abutting against the synchronizing wheel.
Preferably, the abutting block is provided with an abutting arc surface matched with the synchronizing wheel.
Compared with the prior art, the embodiment of the utility model provides a technical scheme's beneficial effect lies in:
the synchronous belt tensioning device is used for assisting the tensioning of a synchronous belt and comprises a driving piece, a tension meter, a first tensioning seat and a second tensioning seat, wherein the first tensioning seat and the second tensioning seat which are oppositely arranged are respectively supported against two synchronous wheels in a back-to-back mode, the second tensioning seat moves in a back-to-back mode towards the first tensioning seat under the adjustment of an adjusting mechanism, so that the two synchronous wheels are respectively pushed to enable the synchronous belt to be tensioned, meanwhile, a force measuring rod of the tension meter senses the change of acting force, and when the value of the tension force displayed on the force measuring rod reaches a preset value meeting the requirement, the synchronous wheels can be locked; this hold-in range overspeed device tensioner easy operation, convenient to use.
Drawings
Fig. 1 is a schematic structural view of a tensioning synchronous pulley assembly of a synchronous belt tensioning device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a synchronous belt tensioning device in an embodiment of the present invention;
figure 3 is an exploded view of the synchronous belt tensioner of figure 2.
Detailed Description
In the following, the embodiments of the present invention will be described in detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a synchronous belt tensioning device 100 for synchronous pulley assembly 10, refer to fig. 1, synchronous pulley assembly 10 includes two synchronizing wheels 11 and the hold-in range 12 of cover locating on two synchronizing wheels 11, wherein, synchronous belt tensioning device 100 includes adjustment mechanism, tensiometer 110 and relative first tensioning seat 120 and the second tensioning seat 130 that set up, first tensioning seat 120 and second tensioning seat 130 are used for supporting two synchronizing wheels 11 respectively dorsad, adjustment mechanism is used for adjusting second tensioning seat 130 towards or move dorsad first tensioning seat 120;
the body 111 of the tension meter 110 is fixed on the first tensioning seat 120, and the force measuring rod 112 of the tension meter 110 is connected with the second tensioning seat 130; alternatively, the body 111 of the tension meter 110 is fixed on the second tension seat 130, and the force measuring rod 112 of the tension meter 110 is connected with the first tension seat 120.
In the present invention, the structural components of the synchronous pulley assembly 10 are described in detail in the foregoing, and reference may be made to fig. 1, which will not be repeated herein. The timing belt tensioner 100 according to the present embodiment is a dedicated tool designed for the timing belt wheel assembly 10, and is used to tension the timing belt 12. Specifically, referring to fig. 2 and 3, the synchronous belt tensioner 100 includes an adjusting mechanism, a tension meter 110, a first tensioning seat 120 and a second tensioning seat 130, wherein the first tensioning seat 120 and the second tensioning seat 130 may be seat structures, which are disposed opposite to each other and slidably mounted on the same substrate, for example, via a guide assembly to achieve a sliding connection with the substrate. Of course, other configurations are possible.
The adjusting mechanism may be various, for example, the adjusting mechanism includes a motor, an output shaft of the motor is in transmission connection with the second tensioning seat 130 through a transmission component, the transmission component may be a rack and pinion, etc., but is not limited thereto. The adjustment mechanism may be other than a motor, as will be described in detail in the following embodiments.
The tension meter 110 may be a commonly used tension meter 110, such as a sonic belt tension meter, and the specific type and style thereof are selected according to actual requirements, but not limited thereto. When the force rod 112 of the tension meter 110 is acted by an acting force, a force value is displayed on the screen of the body 111, and the displayed force value changes along with the change of the acting force. Specifically, the tension meter 110 may be provided in two types, and referring to fig. 2, in one embodiment, the body 111 of the tension meter 110 is fixed on the first tensioning seat 120, and the force measuring rod 112 of the tension meter 110 is connected to the second tensioning seat 130; secondly, the body 111 of the tension meter 110 is fixed on the second tensioning seat 130, and the force measuring rod 112 of the tension meter 110 is connected with the first tensioning seat 120, which can be selectively arranged according to actual conditions. Therefore, while the adjusting mechanism drives the second tensioning seat 130 to move away from the first tensioning seat 120, the force measuring rod 112 is pulled to change the displayed force value of the tension meter 110.
When the synchronous belt tensioning device 100 is actually applied, the two synchronous wheels are respectively supported in a back direction through the first tensioning seat 120 and the second tensioning seat 130 which are oppositely arranged, under the adjustment of the adjusting mechanism, the second tensioning seat 130 moves in a back direction to the first tensioning seat 120, so that the two synchronous wheels 11 are respectively pushed to tension the synchronous belt 12, meanwhile, the force measuring rod 112 of the tension meter 110 senses the change of acting force, and when the tension force value displayed on the force measuring rod reaches a preset value meeting the requirement, the synchronous wheels can be locked; the synchronous belt tensioning device 100 is simple to operate and convenient to use.
In addition, this hold-in range overspeed device tensioner 100 is as special frock, can realize the batch tensioning operation of hold-in range 11 of hold-in range wheel subassembly 10, and work efficiency is high to the accessible is the distance that promotes of accuse to the synchronizing wheel, in order to realize the control to hold-in range tensile force size, thereby guarantees that the tensile force of hold-in range meets the requirements.
Referring to fig. 2 and 3, the adjusting mechanism according to the present embodiment includes a screw 140, the screw 140 is inserted into the second tensioning seat 130 and is in threaded engagement with the second tensioning seat 130, one end of the screw 140 is in rotational engagement with the first tensioning seat 120, and the other end of the screw 140 is a free end. In this embodiment, since the screw 140 is in threaded engagement with the second tensioning seat 130, the screw 140 is rotated around its own axis to drive the second tensioning seat 130 to move, and it can be easily understood that when the screw 140 rotates in the forward direction or the reverse direction, the second tensioning seat 130 is correspondingly far away from or close to the first tensioning seat 120.
Of course, the second tensioning seat 130 may adopt a guide rail slider assembly mentioned in the above embodiment to convert the rotational motion into the linear motion, or other guiding assemblies, and in addition, the screw rod 140 may be provided with a bearing to connect with the first tensioning seat 120 for rotational fit, or other structural arrangements, which will be described in the following embodiments and will not be described in detail herein.
Referring to fig. 2 and 3, the adjusting mechanism according to the present embodiment further includes a hand wheel 150 provided at the other end of the screw 140. Preferably, the hand wheel 150 is connected with the screw rod 140 through screws, so that the assembly and disassembly are convenient. In this embodiment, the hand wheel 150 is rotated to rotate the screw rod 140, so that the convenience of the rotation operation of the screw rod 140 can be improved, the operation of an operator is facilitated, and time and labor are saved.
Referring to fig. 3, the first tensioning seat 120 according to the present embodiment is provided with a blind hole 121 adapted to the screw 140, and the screw 140 abuts against the bottom of the blind hole 121 and is rotatably engaged with the hole wall of the blind hole 121. In this embodiment, the first tensioning seat 120 can limit the movement of the screw 140 along the rod direction thereof through the blind hole 121, and can adapt to the rotation of the screw 140 around the axis thereof, and the structure is simple, the arrangement is stable, and the disassembly and assembly are convenient.
Referring to fig. 2 and 3, the first tensioning seat 120 according to the present embodiment is provided with a guide shaft 160 arranged in parallel with the screw 140, the second tensioning seat 130 is correspondingly provided with a guide hole 131 adapted to the guide shaft 160, and the guide shaft 160 is inserted into the guide hole 131 and slidably engaged with the second tensioning seat 130. Specifically, one end of the guide shaft 160 is connected and fixed with the first tensioning seat 120 through a screw, a guide hole 131 adapted to the guide shaft 160 is disposed on the second tensioning seat 130, and the guide shaft 160 is inserted into the guide hole 131 to be slidably fitted with the second tensioning seat 130. Through the guide shaft 160, not only the rotation of the second tensioning seat 130 can be converted into a linear motion, but also the moving stability of the second tensioning seat 130 can be ensured, and the accuracy of the measured tension of the synchronous belt 12 can be improved. The number of the guide shafts 160 is determined according to actual requirements.
Referring to fig. 3, the body 111 of the tension meter 110 according to the embodiment is fixed on the first tension seat 120, and the force measuring rod 112 of the tension meter 110 is connected with the second tension seat 130;
the first tensioning seat 120 includes two horizontal plates 121 disposed at an interval from top to bottom and two vertical plates 122 disposed between the two horizontal plates 121 and opposite to each other from left to right, the body 111 of the tension meter 110 is disposed on the horizontal plate 121 disposed above, one end of the guide shaft 160 is fixedly connected to one of the two vertical plates 122, and the other end of the guide shaft 160 penetrates out of the other vertical plate 122 to be slidably fitted with the second tensioning seat 130.
Specifically, the upper and lower ends of the two vertical plates 122 are respectively fastened and fixed with the two horizontal plates 121 by screws, the body 111 of the tension meter 110 is fixed on the horizontal plate 121 above the body by screws, one end of the guide shaft 160 is fixed with one of the two vertical plates 122 by screws, the other end of the guide shaft passes through a through hole formed in the other vertical plate 122 and extends out, and the second tensioning seat 130 is in sliding fit with the guide shaft 160 at the other end of the guide shaft, so that the tension meter is simple in structure and convenient to assemble and disassemble.
Further, referring to fig. 3, preferably, two guide shafts 160 are provided and are respectively located at both sides of the screw 140.
Referring to fig. 2 and 3, the body 111 of the tension meter 110 according to the embodiment is fixed on the first tensioning seat 120, the force measuring rod 112 of the tension meter 110 is connected to the second tensioning seat 130, the second tensioning seat 130 is provided with a connecting groove 132, the force measuring rod 112 of the tension meter 110 is accommodated in the connecting groove 132, and the end of the force measuring rod 112 is provided with a stop 113 located outside the connecting groove 132 and capable of abutting against the second tensioning seat 130.
Specifically, in actual installation, the body 111 of the tension meter 110 is fixed on the first tension seat 120 through screws, the force measuring rod 112 of the tension meter 110 is located in the connecting groove 132 of the second tension seat 130, and when the second tension seat 130 moves away from the first tension seat 120, it will push the stopper 113 after reaching a certain position, so as to drive the force measuring rod 112 to apply an acting force to the force measuring rod 112 through the stopper 113, and thus the displayed value of the tension meter 110 changes. The connection structure of the tension meter 110 and the second tensioning seat 130 is simple, easy to assemble and disassemble, and convenient to replace and maintain.
Referring to fig. 2 and 3, the first tensioning seat 120 and the second tensioning seat 130 according to the present embodiment are both provided with a holding block 1 for holding the synchronizing wheel 11. Specifically, the first tensioning seat 120 and the second tensioning seat 130 respectively abut against the two synchronizing wheels 11 through the abutting blocks 1, and the specific form of the abutting blocks 1 is set according to actual conditions. Wherein, should support and hold piece 1 for can dismantle the setting, adopt the screw fixation on first tensioning seat 120 and second tensioning seat 130, easy maintenance.
Referring to fig. 3, the supporting block 1 according to the present embodiment is provided with a supporting arc surface 2 adapted to the synchronizing wheel 11. By the abutting arc surface 2, during tensioning operation, the assembly and positioning with the synchronizing wheel 11 can be quickly realized, and the first tensioning seat 120 and the second tensioning seat 130 are firmly abutted against the synchronizing wheel 11 and are not easy to separate.
What just go up be the utility model discloses a part or preferred embodiment, no matter be characters or the drawing can not consequently restrict the utility model discloses the scope of protection, all with the utility model discloses a holistic thought down, utilize the equivalent structure transform that the contents of the description and the drawing do, or direct/indirect application all includes in other relevant technical field the utility model discloses the within range of protection.
Claims (10)
1. A synchronous belt tensioning device is used for a synchronous belt wheel assembly, the synchronous belt wheel assembly comprises two synchronous wheels and a synchronous belt sleeved on the two synchronous wheels, and the synchronous belt tensioning device is characterized by comprising an adjusting mechanism, a tension meter, a first tensioning seat and a second tensioning seat, wherein the first tensioning seat and the second tensioning seat are oppositely arranged and are used for respectively supporting the two synchronous wheels in a back-to-back mode, and the adjusting mechanism is used for adjusting the second tensioning seat to move towards or back to the first tensioning seat;
the body of the tension meter is fixed on the first tensioning seat, and a force measuring rod of the tension meter is connected with the second tensioning seat; or the body of the tension meter is fixed on the second tensioning seat, and the force measuring rod of the tension meter is connected with the first tensioning seat.
2. The synchronous belt tensioner as in claim 1, wherein the adjustment mechanism comprises a screw threaded through the second tensioning seat and threadedly engaged with the second tensioning seat, one end of the screw rotationally engaged with the first tensioning seat, the other end of the screw being a free end.
3. The synchronous belt tensioner of claim 2, wherein the adjustment mechanism further comprises a hand wheel disposed at the other end of the screw.
4. The synchronous belt tensioning device of claim 2, wherein the first tensioning seat is provided with a blind hole adapted to the screw, and the screw abuts against the bottom of the blind hole and is in running fit with the wall of the blind hole.
5. The synchronous belt tensioner as in claim 2, wherein the first tensioning seat is provided with a guide shaft parallel to the screw, the second tensioning seat is correspondingly provided with a guide hole adapted to the guide shaft, and the guide shaft is inserted into the guide hole and slidably engaged with the second tensioning seat.
6. The synchronous belt tensioner of claim 5, wherein the body of the tension meter is fixed to the first tensioning mount and the force measuring rod of the tension meter is connected to the second tensioning mount;
first tensioning seat includes two diaphragms that the interval set up from top to bottom and is located two relative two risers that set up about and between the diaphragm, the organism setting of tensiometer is in being located the top on the diaphragm, the one end and two of guiding axle one of them fixed connection of riser, the other end of guiding axle is from another the riser is worn out, with second tensioning seat sliding fit.
7. The synchronous belt tensioner as in claim 6, wherein the two guide shafts are located on either side of the screw.
8. The synchronous belt tensioner of claim 1, wherein the body of the tension meter is fixed to the first tensioning mount and the force measuring rod of the tension meter is connected to the second tensioning mount;
the second tensioning seat is provided with a connecting groove, the force measuring rod of the tension meter is accommodated in the connecting groove, and the tail end of the force measuring rod is provided with a stop block which is positioned outside the connecting groove and can be abutted against the second tensioning seat.
9. The synchronous belt tensioner as in claim 1, wherein the first and second tensioning mounts each have a retaining block for retaining the synchronous pulley.
10. The synchronous belt tensioning device as in claim 9, wherein the abutting block is provided with an abutting arc surface adapted to the synchronous wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022985142.1U CN214534312U (en) | 2020-12-11 | 2020-12-11 | Synchronous belt tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022985142.1U CN214534312U (en) | 2020-12-11 | 2020-12-11 | Synchronous belt tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214534312U true CN214534312U (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022985142.1U Active CN214534312U (en) | 2020-12-11 | 2020-12-11 | Synchronous belt tensioning device |
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| Country | Link |
|---|---|
| CN (1) | CN214534312U (en) |
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2020
- 2020-12-11 CN CN202022985142.1U patent/CN214534312U/en active Active
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