CN112682484A - Synchronous belt tensioning and anti-loosening device and tensioning and anti-loosening method - Google Patents
Synchronous belt tensioning and anti-loosening device and tensioning and anti-loosening method Download PDFInfo
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Abstract
The application provides hold-in range tensioning locking device, including frame, synchronous pulley installation department and tensioning locking structure. The timing pulley mounting portion has a plurality of notches. The tensioning anti-loosening structure comprises a wedge-shaped fixed gasket, a wedge-shaped movable gasket and a first fastener. The wedge-shaped fixing gasket is fixed on the synchronous belt wheel mounting part and arranged at the notch, and the wedge-shaped fixing gasket is provided with a first inclined plane. The wedge-shaped movable gasket is provided with a second inclined surface and is arranged on the wedge-shaped fixed gasket in a mode that the second inclined surface is attached to the first inclined surface. The first fastener penetrates through the wedge-shaped movable gasket, the wedge-shaped fixed gasket and the notch in sequence to be connected with the rack. When the synchronous belt is in a tensioning state, the first fastener is locked to limit the relative displacement of the wedge-shaped movable gasket and the wedge-shaped fixed gasket. The purpose of tensioning and locking the synchronous belt can be well achieved under the condition that the structural space is limited.
Description
Technical Field
The application relates to the technical field of robots, in particular to a synchronous belt tensioning anti-loosening device and a tensioning anti-loosening method of a robot transmission structure.
Background
Synchronous belt transmission is a common transmission mode in the technical field of mechanical transmission, has the advantages of buffering and vibration absorption of general belt transmission, low noise, no need of lubrication, simple structure, low requirement on assembly precision and the like, has the advantages of accurate transmission ratio, high transmission efficiency and the like, and is widely applied to medium and low power transmission requiring accurate transmission ratio, such as mechanical equipment of household appliances, automation equipment, robots and the like.
Synchronous belt drive is in the application, need design tensioning locking device, and its tensioning mode commonly used mainly falls into two types: firstly, a tension wheel is arranged or the length of the belt is adjusted (aiming at a non-annular synchronous belt); secondly, the center distance is adjusted. The length of the belt for arranging or adjusting the tension wheel requires that the distance between the driving wheel and the driven wheel is large enough, and an additional structure and an accommodating space thereof are required. The invention patent disclosed in CN104329419A is a manner of providing a tension wheel, and it can be seen from the schematic diagram that the fixing of the tension wheel and the spring require additional structure, thereby occupying additional installation space. The invention patent disclosed in CN111156296A is a way to adjust the belt length, and it can be seen from the schematic diagram that the adjustment of the belt length requires a large distance between the driving and driven wheels, and additional belt clips, screw tightening structures, etc. are added, thereby occupying additional installation space.
The mode of adjusting the center distance is simpler in structure and smaller in requirement on installation space compared with the mode of arranging the tensioning wheel. A relatively reliable center distance adjusting type tensioning and anti-loosening device is characterized in that a fixing plate is used for tensioning a mounting seat of a synchronous pulley by a screw to adjust the center distance, and then the mounting seat of the synchronous pulley is fixed by the screw. Once the tensioning and anti-loosening device is adjusted and fixed, the center distance cannot change due to the tensioning of the screw, and the tensioning and anti-loosening device is a common synchronous belt tensioning and anti-loosening device. The center distance adjusting method using the fixing plate occupies a smaller installation space than the method using the tension wheel, but still requires an installation space for the fixing plate. The utility model discloses a utility model just with the help of a fixed plate, with the mount pad of screw tensioning synchronous pulley adjust centre-to-centre spacing, then fixed mount pad as disclosed in CN 205578645U. However, under the condition that the structure of a small-load industrial robot arm and the like is required to be compact, the fixing plate has no space for placing, the synchronous belt can only be tensioned in a supporting or pulling mode by an external tool, and then the mounting seat of the synchronous pulley is fixed by a screw. Under the condition, the friction force of the screw pressing surface at the position of the fixing full-close notch of the synchronous pulley mounting seat is difficult to ensure and cannot loosen.
Disclosure of Invention
The application provides a synchronous belt tensioning anti-loosening structure and a tensioning anti-loosening method which are simple and compact in structure and convenient to install and do not have a fixing plate.
The application provides a hold-in range tensioning locking device includes: the device comprises a rack, a synchronous belt wheel mounting part and a tensioning anti-loosening structure. The synchronous pulley installation department is used for installing the hold-in range, the synchronous pulley installation department has a plurality of notches, the notch is used for adjusting the centre-to-centre spacing of hold-in range. The tensioning anti-loosening structure comprises: the wedge-shaped fixing gasket is fixed at one notch of the synchronous pulley mounting part and is provided with a first inclined surface, and the first inclined surface inclines towards the synchronous pulley mounting part in the direction of reducing the center distance of the synchronous belt; the wedge-shaped movable gasket is provided with a second inclined surface matched with the first inclined surface, and the wedge-shaped movable gasket is arranged on the wedge-shaped fixed gasket in a mode that the second inclined surface is attached to the first inclined surface; and the first fastener sequentially penetrates through the wedge-shaped movable gasket, the wedge-shaped fixed gasket and the notch to be connected with the rack. When the synchronous belt is in a tensioned state, the first fastener is locked to limit the relative displacement of the wedge-shaped movable gasket and the wedge-shaped fixed gasket.
Optionally, the timing pulley mounting portion includes: a motor transition flange having the plurality of notches; the motor is fixed on the motor transition flange; and the synchronous belt wheel is fixed on a motor shaft of the motor.
Optionally, the plurality of notches are respectively located at both sides of the synchronous belt.
Optionally, the number of the tensioning anti-loosening structures is two, and the tensioning anti-loosening structures are respectively located on two sides of the synchronous belt.
Optionally, the locking device for tensioning the synchronous belt further comprises a second fastener, and the second fastener directly penetrates through the notch to fixedly connect the synchronous pulley mounting part with the rack.
The application also provides a tensioning and anti-loosening method of the synchronous belt tensioning and anti-loosening device, which comprises the following steps:
fixing the wedge-shaped fixing gasket to the synchronous pulley mounting part;
moving the synchronous pulley mounting part along the length direction of the notch to adjust the center distance of the synchronous belt;
after the synchronous belt is tensioned, the first fastener sequentially penetrates through the wedge-shaped movable gasket, the wedge-shaped fixed gasket and the notch to be connected with the rack and locked, so that the relative displacement of the wedge-shaped movable gasket and the wedge-shaped fixed gasket is limited.
Optionally, before the fixing the wedge fixing shim to the synchronous pulley mounting portion, the method further includes a step of assembling the synchronous pulley mounting portion, including: fixing the motor on a motor transition flange; and fixing a synchronous pulley on a motor shaft of the motor.
According to another aspect of the present invention, there is also provided a synchronous belt tension anti-loosening device, including: the device comprises a rack, a synchronous belt wheel mounting part and a tensioning anti-loosening structure. The frame has a plurality of notches; the synchronous pulley mounting part is used for mounting a synchronous belt, and the center distance of the synchronous belt can be adjusted along the length direction of the notch; the tensioning anti-loosening structure comprises: the wedge-shaped fixing gasket is fixed on the rack and arranged at one notch, and is provided with a first inclined surface which inclines towards the rack in the direction of increasing the center distance of the synchronous belt; the wedge-shaped movable gasket is provided with a second inclined surface matched with the first inclined surface, and the wedge-shaped movable gasket is arranged on the wedge-shaped fixed gasket in a mode that the second inclined surface is attached to the first inclined surface; and the first fastener sequentially penetrates through the wedge-shaped movable gasket, the wedge-shaped fixed gasket and the notch to be connected with the synchronous belt wheel mounting part. When the synchronous belt is in a tensioned state, the first fastener is locked to limit the relative displacement of the wedge-shaped movable gasket and the wedge-shaped fixed gasket.
Optionally, the timing pulley mounting portion includes: a motor transition flange; the motor is fixed on the motor transition flange; and the synchronous belt wheel is fixed on a motor shaft of the motor.
Optionally, the plurality of notches are respectively located at both sides of the synchronous belt.
Optionally, the number of the tensioning anti-loosening structures is two, and the tensioning anti-loosening structures are respectively located on two sides of the synchronous belt.
Optionally, the locking device for tensioning the synchronous belt further comprises a second fastener, and the second fastener directly penetrates through the notch to fixedly connect the synchronous pulley mounting part with the rack.
The application also provides a tensioning and anti-loosening method of the synchronous belt tensioning and anti-loosening device, which comprises the following steps:
fixing the wedge-shaped fixing gasket at the notch of the frame;
moving the synchronous pulley mounting part along the length direction of the notch to adjust the center distance of the synchronous belt;
after the synchronous belt is tensioned, the first fastener sequentially penetrates through the wedge-shaped movable gasket, the wedge-shaped fixed gasket and the notch and is connected with and locked with the synchronous belt wheel mounting part, so that the wedge-shaped movable gasket and the wedge-shaped fixed gasket are limited to generate relative displacement.
Optionally, the tension anti-loose method further includes a step of assembling the synchronous pulley mounting portion, which includes: fixing the motor on a motor transition flange; and fixing a synchronous pulley on a motor shaft of the motor.
According to the technical scheme that this application embodiment provided, need not use the fixed plate, under the limited circumstances of structural space, can play the locking purpose of hold-in range tensioning well, have great practical value. .
Drawings
Fig. 1 is a structural view showing one embodiment of a synchronous belt tension anti-loosening device of a robot transmission structure of the present application.
Fig. 2 is a block diagram illustrating another embodiment of a synchronous belt tension anti-loosening device of the robot transmission structure of the present application.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. They are merely examples of devices consistent with certain aspects of the present application, as detailed in the appended claims.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of the terms "comprising" or "including" in the description and claims of this application is intended to indicate that an element or item listed before "comprising" or "includes" and its equivalents are covered by the element or item listed after "comprising" or "including," and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
Fig. 1 is a schematic structural diagram of a synchronous belt tensioning and anti-loosening device of the application. As shown in fig. 1, the synchronous belt tension and anti-loosening device comprises a frame 1, a synchronous pulley mounting part 2 and a tension and anti-loosening structure. Wherein the frame 1 is a fixed end, in some embodiments the frame 1 is a small arm of a vertical multi-joint robot.
The timing belt mounting part 2 is used to mount a timing belt 3, and as shown in the drawing, the timing belt mounting part 2 has a plurality of notches which can be used to adjust the center distance of the timing belt. Specifically, the relative position of the synchronous pulley mounting part 2 and the rack can be adjusted by moving along the length direction of the notch, so that the center distance of the synchronous belt can be adjusted when the synchronous pulley mounting part is fixed on the rack. In this embodiment, the synchronous pulley mounting part 2 includes a motor 2.1, a motor transition flange 2.2 and a synchronous pulley 2.3. The motor 2.1 may be secured to the motor transition flange 2.2 by fasteners such as screws, and the above-mentioned notches are formed in the motor transition flange 2.2. The synchronous pulley 2.3 is fixed on the motor shaft of the motor 2.1. The synchronous belt 3 is arranged on the synchronous belt wheel 2.3. So far, the motor 2.1, the motor transition flange 2.2 and the synchronous pulley 2.3 form a synchronous pulley mounting part 2.
The tension anti-loose structure comprises a wedge-shaped fixed gasket 4, a wedge-shaped movable gasket 5 and a first fastener 6. The wedge fixing shim 4 may be fixed to the synchronous pulley mounting portion by a fastener such as a screw 7 and is provided at least one of the plurality of notches. The wedge fixing pad 4 has a first inclined surface inclined toward the timing pulley mounting portion (motor transition flange 2.2) in a direction in which the center distance of the timing belt 3 decreases. In this embodiment, the wedge-shaped fixing pad 4 is trapezoidal, and the horizontal portion is fixed on the motor transition flange 2.2 by the screw 7. The wedge-shaped movable gasket 5 is provided with a second inclined surface matched with the first inclined surface and is arranged on the wedge-shaped fixed gasket 4 in a mode that the second inclined surface is attached to the first inclined surface. In this embodiment, the wedge-shaped removable shim 5 is triangular in shape and also has a horizontal surface that contacts the first fastener 6. The wedge-shaped fixed gasket 4 is provided with an elongated opening corresponding to the notch, and the wedge-shaped movable gasket 5 is provided with a through hole. The first fastener 6 passes through the through hole of the wedge-shaped movable gasket 5, the opening of the wedge-shaped fixed gasket 4 and the notch of the motor transition flange 2.2 in sequence to be connected with the frame 1. When the synchronous belt 3 is in a tensioned state, the synchronous belt wheel mounting part 2 is driven to move along a direction in which the tensioning force is reduced, that is, the center distance of the synchronous belt is reduced, and at the moment, the wedge-shaped fixing gasket 4 also tends to move towards the direction in which the center distance of the synchronous belt is reduced. Because wedge fixed shim 4 and wedge movable shim 5 form the wedge cooperation, and the first inclined plane of wedge fixed shim 4 compresses tightly the face slope towards the notch of motor flange on the direction that the centre-to-centre spacing of hold-in range 3 reduces, the lateral displacement of this direction of wedge fixed shim 4 can cause the vertical displacement of wedge movable shim 5 along the upward jack-up of first fastener direction, and because first fastener is in locking state, block that wedge movable shim 5 takes place this vertical displacement of jack-up, has restricted wedge movable shim 5 and wedge fixed shim 4 promptly and has taken place relative displacement. Then, the movement tendency of the timing pulley mounting portion 2 is changed to tension the first fastening member 6, thereby achieving the purpose of tension and looseness prevention.
In some embodiments, the notches of the transition flange 2.2 of the motor are distributed on two sides of the synchronous belt 3, and the number of the corresponding tensioning anti-loosening structures is 2, which are respectively positioned on two sides of the synchronous belt, so that the design has the advantage of more even stress.
In some embodiments, the synchronous belt tensioning anti-loosening device further comprises a second fastening piece, which is arranged at the non-tensioning anti-loosening structure and directly passes through the notch to fixedly connect the synchronous pulley mounting part 2 with the machine frame 1. For example, in the embodiment shown in FIG. 1, each timing pulley mounting portion is provided with four notches, secured with 2 tension locks and 1 second fastener without a wedge shim.
The application also provides a tensioning and anti-loosening method of the synchronous belt tensioning and anti-loosening device, which comprises the following steps.
First, the synchronous pulley mounting part is assembled, the motor 2.1 is locked on the motor transition flange 2.2 by fasteners such as screws, and then the synchronous pulley 2.3 is fixed in place on the motor shaft of the motor 2.1. So far, the motor 2.1, the motor transition flange 2.2 and the synchronous pulley 2.3 form a synchronous pulley mounting part 2.
Subsequently, the wedge-shaped fixing shim 4 is fixed to the timing pulley mounting portion. In this embodiment, the wedge-shaped fixing washer 4 is locked to the notch pressing surface of the motor transition flange 2.2 using a fastener such as a fixing washer locking screw 7.
Then the synchronous pulley mounting part 2 moves along the direction of the notch of the motor transition flange 2.2 to adjust the center distance of the synchronous belt.
When the synchronous belt 3 is tensioned to a proper tension, a first fastening piece 6 such as a screw passes through the wedge-shaped movable gasket 5, the wedge-shaped fixed gasket 4 and the notch in sequence to be connected and locked with the frame 1 so as to limit the relative displacement of the wedge-shaped movable gasket 5 and the wedge-shaped fixed gasket 4, thereby converting the moving trend of the synchronous pulley mounting part into the tensioning force of the first fastening piece and achieving the purpose of reliably tensioning and preventing looseness.
Fig. 2 is a schematic structural diagram of a synchronous belt tensioning and anti-loosening device of a robot transmission structure according to another embodiment of the present application. As shown in fig. 2, the synchronous belt tension and anti-loosening device comprises a frame 1, a synchronous pulley mounting part and a tension and anti-loosening structure. Wherein the frame 1 is a fixed end, in some embodiments the frame 1 is a small arm of a vertical multi-joint robot.
The timing pulley mounting portion is used for mounting the timing belt 3. In this embodiment, the synchronous pulley mounting part 2 includes a motor 2.1, a motor transition flange 2.2 and a synchronous pulley 2.3. The motor 2.1 can be fixed on the motor transition flange 2.2 by fasteners such as screws. The synchronous pulley 2.3 is fixed on the motor shaft of the motor 2.1. The synchronous belt 3 is arranged on the synchronous belt wheel 2.3. So far, the motor 2.1, the motor transition flange 2.2 and the synchronous pulley 2.3 form a synchronous pulley mounting part 2.
The frame 1 has a plurality of notches (not shown) which can be used to adjust the center-to-center distance of the timing belt. Specifically, the motor transition flange 2.2 of the synchronous pulley mounting part moves along the length direction of the notch to adjust the relative position of the synchronous pulley mounting part and the rack 1, so that the center distance of the synchronous belt can be adjusted when the synchronous pulley mounting part is fixed on the rack.
The tension anti-loose structure comprises a wedge-shaped fixed gasket 4, a wedge-shaped movable gasket 5 and a first fastener 6. The wedge-shaped fixing washer 4 may be fixed to the notch pressing surface of the frame 1 by a fastener such as a screw 7 and provided at least one notch among the plurality of notches. The wedge-shaped fixing pad 4 has a first inclined surface inclined toward the notch pressing surface of the frame 1 in a direction in which the center distance of the timing belt 3 increases. In this embodiment, the wedge-shaped fixing pad 4 is trapezoidal, and the horizontal portion is fixed to the frame 1 by a screw 7. The wedge-shaped movable gasket 5 is provided with a second inclined surface matched with the first inclined surface and is arranged on the wedge-shaped fixed gasket 4 in a mode that the second inclined surface is attached to the first inclined surface. In this embodiment, the wedge-shaped removable shim 5 is triangular in shape and also has a horizontal surface that contacts the first fastener 6. The wedge-shaped fixed gasket 4 is provided with an elongated opening corresponding to the notch, and the wedge-shaped movable gasket 5 is provided with a through hole. The first fastener 6 passes through the through hole of the wedge-shaped movable gasket 5, the opening of the wedge-shaped fixed gasket 4 and the notch of the frame 1 in sequence to be connected with the motor transition flange 2.2. When the synchronous belt 3 is in a tensioning state, the synchronous belt wheel mounting part 2 is driven to move along the direction that the tensioning force is reduced, namely the center distance of the synchronous belt is reduced, and as the first fastening piece 6 sequentially penetrates through the through hole of the wedge-shaped movable gasket 5, the opening of the wedge-shaped fixed gasket 4 and the notch of the rack 1 to be connected with the motor transition flange 2.2, the force acts on the wedge-shaped movable gasket 5, and the wedge-shaped movable gasket 5 also has the tendency of moving towards the direction that the center distance is reduced. And because the second inclined plane of the wedge-shaped movable gasket 5 is attached to the first inclined plane of the wedge-shaped movable gasket 4, and the distance from the first inclined plane of the wedge-shaped fixed gasket 4 to the notch pressing surface of the rack 1 in the direction of reducing the center distance of the synchronous belt 3 is increasingly greater, the displacement of the wedge-shaped movable gasket 5 in the direction of reducing the center distance can cause the longitudinal displacement of the wedge-shaped movable gasket 5 which is jacked upwards along the direction of the first fastener, and because the first fastener is in a locking state, the longitudinal displacement of the wedge-shaped movable gasket 5 which is jacked upwards is blocked, namely the relative displacement of the wedge-shaped movable gasket 5 and the wedge-shaped fixed gasket 4 is limited. Then, the movement tendency of the timing pulley mounting portion 2 is changed to tension the first fastening member 6, thereby achieving the purpose of tension and looseness prevention.
In some embodiments, the notches of the frame 1 are distributed on both sides of the synchronous belt 3, and the number of the corresponding tensioning and anti-loosening structures is 2, which are respectively located on both sides of the synchronous belt, so that the design is beneficial to make the stress more even.
In some embodiments, the synchronous belt tensioning anti-loosening device further comprises a second fastening piece, which is arranged at the non-tensioning anti-loosening structure and directly passes through the notch to fixedly connect the synchronous pulley mounting part 2 with the machine frame 1.
The application also provides a tensioning and anti-loosening method of the synchronous belt tensioning and anti-loosening device, which comprises the following steps.
First, the synchronous pulley mounting part is assembled, the motor 2.1 is locked on the motor transition flange 2.2 by fasteners such as screws, and then the synchronous pulley 2.3 is fixed in place on the motor shaft of the motor 2.1. So far, the motor 2.1, the motor transition flange 2.2 and the synchronous pulley 2.3 form a synchronous pulley mounting part 2.
Then, the wedge-shaped fixing pad 4 is fixed at the notch of the frame. In this embodiment, the wedge-shaped fixing washer 4 is locked to the notch pressing surface of the frame using a fastener such as a fixing washer locking screw 7.
Then the synchronous pulley mounting part 2 moves along the direction of the notch of the frame to adjust the center distance of the synchronous belt.
When the synchronous belt 3 is tensioned to a proper tension, a first fastening piece 6 such as a screw passes through the opening of the wedge-shaped movable gasket 5, the through hole of the wedge-shaped fixed gasket 4 and the notch of the frame 1 in sequence to be connected and locked with the transition flange of the motor so as to limit the relative displacement of the wedge-shaped movable gasket 5 and the wedge-shaped fixed gasket 4, thereby converting the moving trend of the synchronous pulley mounting part into the tensioning force of the first fastening piece and achieving the purpose of reliable tensioning and anti-loosening.
To sum up, this application is through the cooperation design of wedge activity gasket, wedge fixed shim and first fastener, is transformed into the tension of first fastener with the motion trend of synchronous pulley installation department, under the limited circumstances of structure space, need not use the fixed plate just can play the locking purpose of hold-in range tensioning well, has great practical value.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.
Claims (14)
1. A hold-in range tensioning locking device characterized in that includes:
a frame;
the synchronous pulley mounting part is used for mounting a synchronous belt, and is provided with a plurality of notches for adjusting the center distance of the synchronous belt;
tensioning locking structure, it includes:
the wedge-shaped fixing gasket is fixed on the synchronous pulley mounting part and arranged at one notch, and is provided with a first inclined surface which inclines towards the synchronous pulley mounting part in the direction of reducing the center distance of the synchronous belt;
the wedge-shaped movable gasket is provided with a second inclined surface matched with the first inclined surface, and the wedge-shaped movable gasket is arranged on the wedge-shaped fixed gasket in a mode that the second inclined surface is attached to the first inclined surface; and
the first fastener penetrates through the wedge-shaped movable gasket, the wedge-shaped fixed gasket and the notch in sequence and is connected with the rack;
when the synchronous belt is in a tensioned state, the first fastener is locked to limit the relative displacement of the wedge-shaped movable gasket and the wedge-shaped fixed gasket.
2. The synchronous belt tensioning anti-loosening device of claim 1, wherein the synchronous pulley mounting portion comprises:
a motor transition flange having the plurality of notches;
the motor is fixed on the motor transition flange;
and the synchronous belt wheel is fixed on a motor shaft of the motor.
3. The synchronous belt tension anti-loosening device of claim 1, wherein the plurality of notches are located on both sides of the synchronous belt, respectively.
4. The synchronous belt tensioning anti-loosening device of claim 3, wherein the number of the tensioning anti-loosening structures is two, and the two tensioning anti-loosening structures are respectively positioned on two sides of the synchronous belt.
5. The synchronous belt tensioning anti-loosening device of claim 1, further comprising a second fastener that passes directly through the slot to fixedly connect the synchronous pulley mounting portion with the frame.
6. A tension lock method of a synchronous belt tension lock according to claim 1, comprising the steps of:
fixing the wedge-shaped fixing gasket at the notch of the synchronous pulley mounting part;
moving the synchronous pulley mounting part along the length direction of the notch to adjust the center distance of the synchronous belt;
after the synchronous belt is tensioned, the first fastener sequentially penetrates through the wedge-shaped movable gasket, the wedge-shaped fixed gasket and the notch to be connected with the rack and locked, so that the relative displacement of the wedge-shaped movable gasket and the wedge-shaped fixed gasket is limited.
7. The tension lock method of the synchronous belt tension lock device as claimed in claim 6, further comprising the step of assembling the synchronous pulley mounting part before the step of fixing the wedge fixing washer to the synchronous pulley mounting part, comprising:
fixing the motor on a motor transition flange;
and fixing a synchronous pulley on a motor shaft of the motor.
8. A hold-in range tensioning locking device characterized in that includes:
a frame having a plurality of slots;
the synchronous pulley mounting part is used for mounting a synchronous belt, and the center distance of the synchronous belt can be adjusted along the length direction of the notch;
tensioning locking structure, it includes:
the wedge-shaped fixing gasket is fixed on the rack and arranged at one notch, and is provided with a first inclined surface which inclines towards the rack in the direction of increasing the center distance of the synchronous belt;
the wedge-shaped movable gasket is provided with a second inclined surface matched with the first inclined surface, and the wedge-shaped movable gasket is arranged on the wedge-shaped fixed gasket in a mode that the second inclined surface is attached to the first inclined surface; and
the first fastener sequentially penetrates through the wedge-shaped movable gasket, the wedge-shaped fixed gasket and the notch to be connected with the synchronous belt wheel mounting part;
when the synchronous belt is in a tensioned state, the first fastener is locked to limit the relative displacement of the wedge-shaped movable gasket and the wedge-shaped fixed gasket.
9. The synchronous belt tensioning anti-loosening device of claim 8, wherein the synchronous pulley mounting portion comprises:
a motor transition flange;
the motor is fixed on the motor transition flange;
and the synchronous belt wheel is fixed on a motor shaft of the motor.
10. The synchronous belt tension slack prevention device of claim 8, wherein the plurality of notches are located on either side of the synchronous belt.
11. The tension and anti-loosening device for the synchronous belt as claimed in claim 10, wherein the number of the tension and anti-loosening structure is two, and the two tension and anti-loosening structures are respectively located at both sides of the synchronous belt.
12. The synchronous belt tensioning anti-loosening device of claim 8, further comprising a second fastener that passes directly through the slot to fixedly connect the synchronous pulley mounting portion with the frame.
13. A tension lock method of a synchronous belt tension lock according to claim 8, comprising the steps of:
fixing the wedge-shaped fixing gasket at the notch of the frame;
moving the synchronous pulley mounting part along the length direction of the notch to adjust the center distance of the synchronous belt;
after the synchronous belt is tensioned, the first fastener sequentially penetrates through the wedge-shaped movable gasket, the wedge-shaped fixed gasket and the notch and is connected with and locked with the synchronous belt wheel mounting part, so that the wedge-shaped movable gasket and the wedge-shaped fixed gasket are limited to generate relative displacement.
14. A method of tension lock of a synchronous belt tension lock as in claim 13, further comprising the step of assembling the synchronous pulley mount comprising:
fixing the motor on a motor transition flange;
and fixing a synchronous pulley on a motor shaft of the motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110274157.3A CN112682484B (en) | 2021-03-15 | 2021-03-15 | Synchronous belt tensioning and anti-loosening device and tensioning and anti-loosening method |
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| CN202110274157.3A CN112682484B (en) | 2021-03-15 | 2021-03-15 | Synchronous belt tensioning and anti-loosening device and tensioning and anti-loosening method |
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| KR102154231B1 (en) * | 2017-07-07 | 2020-09-09 | 가부시기가이샤쯔바기모도체인 | Tensioner |
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| DE102010049901A1 (en) * | 2010-10-28 | 2012-05-03 | Schaeffler Technologies Gmbh & Co. Kg | Hydraulic clamping device in traction drive of internal combustion engine, has outer sleeve with inclined inner surface located in force-transmitting manner such that elastic force is imparted inwardly on the sleeve in radial direction |
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| WO2015187085A1 (en) * | 2014-06-05 | 2015-12-10 | Ab Rönnqvist & Wettainens Mekaniska Verkstad | A device for locking a belt at predetermined belt tension |
| CN104120543A (en) * | 2014-07-31 | 2014-10-29 | 浙江丰帆数控机械有限公司 | Integrated main gear |
| KR102154231B1 (en) * | 2017-07-07 | 2020-09-09 | 가부시기가이샤쯔바기모도체인 | Tensioner |
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| CN112682484B (en) | 2021-07-06 |
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