CN213541213U - Transmission equipment with tensioning device - Google Patents
Transmission equipment with tensioning device Download PDFInfo
- Publication number
- CN213541213U CN213541213U CN202021572212.4U CN202021572212U CN213541213U CN 213541213 U CN213541213 U CN 213541213U CN 202021572212 U CN202021572212 U CN 202021572212U CN 213541213 U CN213541213 U CN 213541213U
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- Prior art keywords
- gear
- belt pulley
- belt
- worm
- guide rail
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000008261 resistance mechanism Effects 0.000 description 1
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Abstract
The utility model discloses a transmission with tight device rises, including: a base member, and a drive member on the base member; a support member formed on the base member; one end of an output shaft of the driving piece penetrates through the supporting piece, and a first gear which is coaxial with the end is fixed at the end part of the output shaft; the belt conveyor comprises a first belt pulley and a second belt pulley which are arranged at intervals, wherein a belt is sleeved and connected between the first belt pulley and the second belt pulley; the fixed second gear that sets up on the axle center of first belt pulley side and mesh mutually with first gear forms on support piece with the arc guide rail of driving piece with the axle center, and the pivot one end of first belt pulley is passed the arc guide rail and has a third gear with the axle center of driving piece output shaft in that the tip is eccentric articulated, sets up in third gear one side and can drive third gear pivoted tight device that rises, the utility model aims at providing a simple structure, need not to rise tight pulley, just can also realize keeping the belt formula transmission of belt bloated tightly under the state of not shutting down.
Description
Technical Field
The utility model relates to a transmission machinery specifically is a transmission with tight device rises.
Background
A belt drive, also called "belt drive", is a relatively common mechanical drive, and usually consists of one or more belts tightly sleeved on two pulleys. Two belt pulleys can be installed on the driving shaft and the driven shaft respectively, and the transmission motion and the power are achieved by utilizing the friction between the belt and two wheels.
In production and life, belt transmission is often used for automatic production or the purpose of moving an object is achieved, if a transmission belt is too loose, a belt slipping phenomenon occurs, so that a tension pulley is used, the tension pulley is used in the practical use process for keeping proper belt tensioning force, wall surface slipping compensates elongation caused by abrasion and aging of the belt due to long-term use, the moving belt vibrates in the operation process of the tension pulley, the premature abrasion of the belt and the tension pulley is aggravated, and resistance mechanisms are generally added to the tension pulley to provide a resistance value of the tension pulley, so that the vibration is reduced, the structure of the tension pulley becomes complicated, and the damage probability is increased.
In addition, the shape of the belt can be changed by increasing the resistance value of the tension pulley, and particularly when a plurality of belts are sleeved on the belt pulley side by side, the vibration cannot be completely eliminated, so that the belts fall off from the tension pulley after being deformed, and other parts are damaged to generate potential safety hazards.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a need not the tight pulley that rises and also can keep the belt formula transmission that the belt expands tightly.
In order to achieve the above purpose, the utility model adopts the following scheme: a transmission device with a tensioning device comprises:
a base member for securing, the base member having a drive member thereon;
a support member formed on the base member;
one end of an output shaft of the driving piece penetrates through the supporting piece, and a first gear which is coaxial with the end is fixed at the end of the output shaft of the driving piece;
the first belt pulley and the second belt pulley are arranged at intervals, the first belt pulley and the second belt pulley are respectively and rotatably arranged on the supporting piece, and a belt is sleeved and connected between the first belt pulley and the second belt pulley;
the second gear is fixedly arranged on the axis of the side surface of the first belt pulley and is meshed with the first gear;
the arc-shaped guide rail is formed on the supporting piece, the axis of the arc-shaped guide rail and the driving piece are coaxial, the arc-shaped guide rail is formed outside the axis in a surrounding mode, one end, far away from the second gear, of a rotating shaft of the first belt pulley penetrates through the arc-shaped guide rail and is eccentrically hinged to a third gear at the end part, and the axis of the third gear and the output shaft of the driving piece are coaxial and rotatably arranged on the supporting piece;
a tensioning device which is arranged on one side of the third gear and can drive the third gear to rotate,
the third gear is driven to rotate through the tensioning device, the third gear drives the first belt pulley which is eccentrically hinged to the third gear to move around the first gear along the arc-shaped guide rail, and in addition, the third gear and the first gear are coaxial when rotating, so that the second gear connected to one side of the axis of the first belt pulley climbs along the first gear, the first gear and the second gear are coaxial in the process, the second gear which is eccentrically hinged to the third gear cannot be out of gear when rotating around the first gear, the tightness of the belt can be adjusted on the basis of good transmission performance of equipment under the condition of no shutdown, the tensioning force can be adjusted by independently adjusting the first belt pulley, and vibration is not needed to be worried about.
As the utility model discloses a further scheme, the tight device that rises including can with the worm of third gear engaged with, the worm is rotatable set up in support piece is last still to be equipped with on the support piece and to lock the unable pivoted locking device of worm can adjust the third gear rotation through simple worm gear transmission, and simple structure, practicality are strong, compare complicated tight wheel that rises, and the possibility of producing the trouble is lower, and the reliability is better.
As the utility model discloses a further scheme, locking device is including fixing worm one end and with the one-way tooth of axle center support piece is last to articulate has the trip that can catch on one-way tooth and prevent the gyration of one-way tooth trip one side is equipped with and keeps the trip to the spring of one-way tooth trip state, when needing to rotate the worm or stop, simple lifting or putting down the trip, just can realize unblock or locking worm and rotate, the various problems that the unnecessary complex structure that significantly reduces produced.
As a preferable scheme of the present invention, one end of the spring is pressed against the hook, and the other end of the spring is pressed against the support member.
As the preferred proposal of the utility model, one end of the worm is fixed with a rocking handle which can conveniently rotate the worm.
As a preferable scheme of the present invention, the driving member is a power supply member such as an electric motor or a gasoline engine.
As a preferred aspect of the present invention, one end of the rotating shaft of the second pulley 40 passes through the support member 2 is provided with an output shaft.
To sum up, the utility model discloses for its beneficial effect of prior art is:
the above technical scheme is adopted in the utility model, can realize simply through rotating the worm, can let the third gear take eccentric articulated first belt pulley to wind first gear revolve along arc-shaped guide, realize through the distance that changes between the two belt pulleys that the belt rises and tightly, so not only can not have the vibration, simple structure moreover just can realize adjusting under the state of not shutting down, under the condition that many belts overlap simultaneously and establish, also can not appear letting the belt warp to produce and drop, the various potential safety hazards that lead to.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a second cross-sectional view of the present invention.
Fig. 4 is an exploded view of the present invention.
Description of reference numerals: 1. a base member; 2. a support member; 10. a drive member; 11. a first gear; 30. a first pulley; 40. a second pulley; 31. a belt; 32. a second gear; 21. An arc-shaped guide rail; 50. a tensioning device; 51. a third gear; 52. a worm; 60. a locking device; 61. one-way teeth; 62. a hook is clamped; 63. a spring.
Detailed Description
The following detailed description provides many different embodiments or examples for implementing the invention. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.
Furthermore, spatially relative terms, such as "below" … "," below "," inside-out "," above "," upper "and the like, may be used herein to facilitate describing the relationship of one element(s) or feature(s) to another element(s) or feature(s) in the drawings and may encompass different orientations of the device in use or operation and the orientation depicted in the drawings. The devices may be turned to different orientations (rotated 90 degrees or at other orientations) and the spatially relative descriptors used therein should be interpreted accordingly and are not to be construed as limiting the invention, and the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:
as shown in fig. 1 to 4, a transmission device with a tensioning device comprises:
a base member 1 for mounting on various kinds of equipment, the base member 1 having a driving member 10 thereon;
a support member 2, the support member 2 being formed on the base member 1, the support member 2 being exemplified by a vertical plate in this embodiment;
a driving member 10 installed on one side of the vertical plate, wherein the driving member 10 is exemplified by a motor in the present embodiment, but not limited to a specific one, and one end of an output shaft of the driving member 10 passes through the supporting member 2 and is fixed with a first gear 11 at an end thereof; a shaft hole a is arranged on the vertical plate, one end of an output shaft of the driving part 10 passes through the shaft hole a to extend to the other side of the vertical plate, and a first gear 11 which is coaxial and fixedly connected with the output shaft of the motor (the driving part 10) is arranged on the side;
the first belt pulley 30 and the second belt pulley 40 are arranged at intervals, the first belt pulley 30 and the second belt pulley 40 are respectively and rotatably arranged on the supporting member 2, a belt 31 is sleeved and connected between the first belt pulley 30 and the second belt pulley 40, and one end of a rotating shaft of the second belt pulley 40 penetrates through the supporting member 2 and extends to the outside to serve as an input shaft for connecting other driven components;
a second gear 32, wherein the second gear 32 is fixedly arranged on the axis of the side surface of the first belt pulley 30, and the second gear 32 is meshed with the first gear 11;
the arc guide rail 21 in this embodiment is exemplified by a semi-arc groove having the same width as the diameter of the axis of the first pulley 30; the first belt pulley 30 is formed on the supporting member 2, the axis of the arc-shaped guide rail 21 is coaxial with the driving member 10, the arc-shaped guide rail 21 is formed outside the axis in a surrounding manner, one end of the rotating shaft of the first belt pulley 30, which is far away from the second gear 32, penetrates through the arc-shaped guide rail 21 and is eccentrically hinged to a third gear 51 at the end part, the axis of the third gear 51 is coaxial with the output shaft of the driving member 10 and is rotatably arranged on the supporting member 2, namely, when the third gear 51 rotates, the first belt pulley 30 with the eccentric hinge joint thereon rotates by taking the output shaft of the driving member 10 as the axis, and at the moment, the second gear 32, which is far away from the axis of one end of the third gear 51, of the first;
and the tensioning device 50 is arranged on one side of the third gear 51 and can drive the third gear 51 to rotate, and the tensioning device 50 is arranged on one side of the third gear 51.
The third gear is driven to rotate through the tensioning device, the third gear drives the first belt pulley to move around the first gear along the arc-shaped guide rail, and in addition, the third gear is coaxial with the first gear during rotation, so that the second gear connected to one side of the axis of the first belt pulley climbs along the first gear, the first gear is coaxial with the third gear during the process, the second gear can be prevented from generating a gear disengaging phenomenon during rotation around the first gear, the belt tightness can be adjusted on the basis of good transmission performance of equipment under the condition of no shutdown, the tensioning force can be adjusted by independently adjusting the first belt pulley, and vibration is not needed to be worried about.
In this embodiment, as shown in fig. 2 to 4, the tensioning device 50 includes a worm 52 capable of meshing with a third gear 51, the worm 52 is rotatably disposed on the support 2, two symmetrical frames are vertically disposed on the vertical plate, the frames are respectively connected to the side wall of the vertical plate and distributed on two lateral sides of the semi-arc groove, the third gear is simultaneously located between the two frames, two ends of the worm 52 penetrate through the two frames respectively, wherein one end of the worm 52 penetrates through the corresponding frame and is fixed with a rocking handle capable of conveniently rotating the worm 52 at the end, and a locking device 60 capable of locking the worm 52 against rotation is further disposed on the two frames of the support 2.
As a further embodiment of the present invention, as shown in fig. 1, 2 and 4, the locking device 60 includes a coaxial one-way tooth 61 fixed at one end of the worm 52, a hook 62 capable of hooking the one-way tooth 61 and preventing the one-way tooth 61 from rotating is hinged on the supporting member 2, a spring 63 capable of keeping the hook 62 hooked on the one-way tooth 61 is disposed at one side of the hook 62, one end of the spring 63 is pressed against the hook 62, and the other end is pressed against the supporting member 2.
To sum up, make worm drive third gear through rotating the rocking handle, can let the third gear take first belt pulley to carry out around first gear revolution along the arc guide rail, and then produce and change the distance between two belt pulleys and realize that the belt rises and tightly, simple, practical, compare complicated tight pulley that rises, the possibility of producing the trouble is lower, and the reliability is better.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a transmission with tight device rises which characterized in that, including:
a base member (1), the base member (1) having a driving member (10) thereon;
a support member (2), the support member (2) being formed on the base member (1);
a driving member (10), one end of an output shaft of the driving member (10) passes through the supporting member (2) and a first gear (11) which is coaxial with the end is fixed on the end;
the belt conveyor comprises a first belt pulley (30) and a second belt pulley (40) which are arranged at intervals, wherein the first belt pulley (30) and the second belt pulley (40) are respectively and rotatably arranged on a supporting piece (2), and a belt (31) is sleeved and connected between the first belt pulley (30) and the second belt pulley (40);
the second gear (32), the second gear (32) is fixedly arranged on the axle center of the side surface of the first belt pulley (30), and the second gear (32) is meshed with the first gear (11);
the arc-shaped guide rail (21) is formed on the supporting piece (2), the axis of the arc-shaped guide rail (21) is coaxial with the driving piece (10), the arc-shaped guide rail (21) is formed outside the axis in a surrounding mode, one end, far away from the second gear (32), of a rotating shaft of the first belt pulley (30) penetrates through the arc-shaped guide rail (21) and is eccentrically hinged to a third gear (51) at the end part, and the axis of the third gear (51) is coaxial with an output shaft of the driving piece (10) and is rotatably arranged on the supporting piece (2);
and the tensioning device (50) is arranged on one side of the third gear (51) and can drive the third gear (51) to rotate.
2. The transmission equipment with the tension device as claimed in claim 1, wherein the tension device (50) comprises a worm (52) capable of meshing with the third gear (51), the worm (52) is rotatably arranged on the support (2), and a locking device (60) capable of locking the worm (52) against rotation is further arranged on the support (2).
3. The transmission equipment with the tension device as claimed in claim 2, wherein the locking device (60) comprises a coaxial one-way tooth (61) fixed at one end of the worm (52), a hook (62) capable of hooking the one-way tooth (61) and preventing the one-way tooth (61) from rotating is hinged to the support member (2), and a spring (63) capable of keeping the hook (62) in a hook state with respect to the one-way tooth (61) is arranged on one side of the hook (62).
4. The transmission equipment with the tension device as claimed in claim 3, wherein one end of the spring (63) is pressed against the hook (62) and the other end is pressed against the support member (2).
5. The transmission equipment with the tensioning device is characterized in that a rocking handle capable of conveniently rotating the worm (52) is fixed at one end of the worm (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021572212.4U CN213541213U (en) | 2020-07-31 | 2020-07-31 | Transmission equipment with tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021572212.4U CN213541213U (en) | 2020-07-31 | 2020-07-31 | Transmission equipment with tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213541213U true CN213541213U (en) | 2021-06-25 |
Family
ID=76487594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021572212.4U Expired - Fee Related CN213541213U (en) | 2020-07-31 | 2020-07-31 | Transmission equipment with tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213541213U (en) |
-
2020
- 2020-07-31 CN CN202021572212.4U patent/CN213541213U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210927 Address after: 710000 room 205, military civilian integration innovation port, No. 25, development avenue, high tech Zone, Xi'an, Shaanxi Province Patentee after: Xi'an Lingxi measurement and Control Technology Co.,Ltd. Address before: 512000 Room 101, 1st floor, building 30, Huangshaping Innovation Park, guanshaocheng phase I, Wujiang District, Shaoguan City, Guangdong Province Patentee before: SHAOGUAN YIKONG TRANSMISSION TECHNOLOGY Co.,Ltd. |
|
| 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: 20210625 |