CN202719089U - Screw rod self-locking synchronous belt tensioning device - Google Patents
Screw rod self-locking synchronous belt tensioning device Download PDFInfo
- Publication number
- CN202719089U CN202719089U CN2012203029900U CN201220302990U CN202719089U CN 202719089 U CN202719089 U CN 202719089U CN 2012203029900 U CN2012203029900 U CN 2012203029900U CN 201220302990 U CN201220302990 U CN 201220302990U CN 202719089 U CN202719089 U CN 202719089U
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- Prior art keywords
- frame
- synchronous belt
- screw rod
- tensioning wheel
- self
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Abstract
A screw rod self-locking synchronous belt tensioning device comprises a guide rail, an adjusting frame, a U-shaped frame, a pushing rod, and a tensioning wheel, wherein one end of the guide rail is fixedly provided with the adjusting frame, the U-shaped frame comprises an L-shaped tensioning wheel frame and a wheel framesub-plate, and the short edge of the tensioning wheel frame is provided with a central hole. The wheel frame sub-plate is fixed on the end face of the short edge and forms the U-shaped frame together with the tensioning wheel frame. The pushing rod is provided with a step along the radial direction, and the step divides the pushing rod into a polished rod section and a thread section matched with a thread hole of the adjusting frame. The tensioning wheel is arranged in second through holes at the tail end of the U-shaped frame through a rotating shaft, and the U-shaped frame is installed in the guide rail. The device has the advantages of adjusting synchronous belt tension force continuously, enabling the position of the tensioning wheel to be fixed by adopting thread self-locking way, and avoiding the influence caused by the fact that joints of a robot move back and forth so that the tension force is reduced.
Description
Technical field
The utility model relates to a kind of screw rod self-locking synchronous belt tension device, is applied to belong to mechanized equipment in robot motion's joint drive toothed belt transmission structure.
Background technique
In the revolute joint of robot, Timing Belt is the drive mechanism of commonly using.For guaranteeing Timing Belt effectively transport velocity and moment of torsion, usually in drive mechanism, increase synchronous belt tension device, so that Timing Belt obtains enough pretightening forces.The tension structure that generally adopts at present mainly relies on frictional force or positioning hole to fix the position of Idle wheel.The fixing structure of frictionally can cause becoming flexible after the long-time to-and-fro motion in joint, and tension force diminishes; Can not regulate continuously tension force by the structure that positioning hole is fixing.Therefore, design stability tensioning mechanism reliable and that can regulate continuously is necessary perfect to prior art.
Summary of the invention
The utility model can cause problem loosening or that can not regulate continuously tension force after for the present long-time to-and-fro motion of joint of robot synchronous belt tension device, has proposed a kind of screw rod self-locking synchronous belt tension device that continuously adjustable tension force is provided for the joint of robot Timing Belt.
Screw rod self-locking synchronous belt tension device described in the utility model is characterized in that: comprise guide rail, regualting frame, U-shaped frame, push rod, Idle wheel, an end secured adjusted frame of described guide rail; Described U-shaped frame comprises L shaped tensioning wheel carrier and wheel carrier subplate, and the minor face of described tensioning wheel carrier is offered center hole; Described wheel carrier subplate is fixed on the end face of described minor face, jointly forms the U-shaped frame with described tensioning wheel carrier; Described push rod radially arranges step, described step with push rod be divided into the polished rod section and with the thread section of the tapped hole of regualting frame coupling; Described thread section is fixed by adjusting nut after screwing in tapped hole; Described polished rod section is inserted in described center hole, and by positioning screwn setting sleeve is fixed in the first through hole that polished rod section end radially arranges; Described Idle wheel is installed in by rotating shaft in second through hole of end of described U-shaped frame; Described U-shaped frame is installed in the described guide rail.
Described track cross-section takes the shape of the letter U.
The guide-track groove width of described guide rail is identical with the long hem width degree of described tensioning wheel carrier.
Described wheel carrier subplate is identical with the width on the long limit of described tensioning wheel carrier.
The outer diameter of described step is greater than the diameter of described polished rod section.
The outer diameter of described step is greater than the diameter of described thread section.
The diameter of described center hole is between the outer diameter of the diameter of described polished rod section and described step.
Described regualting frame is L-shaped.
The thread section of described push rod and the tapped hole of described regualting frame are realized self-locking.
During use, the screw rod self-locking synchronous belt tension device device that assembles is installed in the position that needs to apply tension force in the Timing Belt operation plane, the outer side contacts of Idle wheel and Timing Belt, be rotated counterclockwise adjusting nut, thread section is rotated in the tapped hole of regualting frame and push ahead, the tensioning wheel carrier advances synchronously along guide rail under the promotion of step, makes Idle wheel compress Timing Belt; After Timing Belt reaches tension effects, stop adjusting nut, under the effect of push rod and regualting frame screw thread self-locking, Idle wheel stops adjusted position; The adjusting nut that turns clockwise can unclamp Idle wheel, reduces pretightening force, and this moment, push rod outwards moved, and moves simultaneously by setting sleeve pulling tensioning wheel carrier and achieves the goal.
The beneficial effects of the utility model: can regulate continuously the Timing Belt tension force, and adopt the mode of screw thread self-locking that the Idle wheel position is fixed, the impact of having avoided the joint of robot to-and-fro motion that tension force is diminished.
Description of drawings
Fig. 1 is structural representation of the present utility model
Fig. 2 is pusher structure schematic diagram of the present utility model
Fig. 3 is track cross-section schematic diagram of the present utility model
Fig. 4 is regualting frame structural representation of the present utility model
Fig. 5 is U-shaped shelf structure schematic diagram of the present utility model
Embodiment
Further specify the utility model below in conjunction with accompanying drawing
With reference to accompanying drawing:
Screw rod self-locking synchronous belt tension device described in the utility model comprises guide rail 1, regualting frame 2, U-shaped frame 3, push rod 4, Idle wheel 5, an end secured adjusted frame 2 of described guide rail 1; Described U-shaped frame 3 comprises L shaped tensioning wheel carrier 31 and wheel carrier subplate 32, and the minor face 311 of described tensioning wheel carrier 31 is offered center hole 3111; Described wheel carrier subplate 32 is fixed on the end face of described minor face 311, with the described tensioning wheel carrier 31 common U-shaped framves 3 that form; Described push rod 4 radially arranges step 41, described step 41 with push rod 4 be divided into polished rod section 42 and with the thread section 43 of tapped hole 21 coupling of regualting frame 2; Described thread section 43 is fixed by adjusting nut 431 after screwing in tapped hole 43; Described polished rod section 42 is inserted in described center hole 3111, and by positioning screwn 6 setting sleeve 421 is fixed in the first through hole 422 that polished rod section 42 ends radially arrange; Described Idle wheel 5 is installed in by rotating shaft 51 in second through hole 33 of end of described U-shaped frame 3; Described U-shaped frame 3 is installed in the described guide rail 1.
Described guide rail 1 cross section takes the shape of the letter U.
The guide-track groove width of described guide rail 1 is identical with long limit 32 width of described tensioning wheel carrier 31.
Described wheel carrier subplate 32 is identical with the width on the long limit 32 of described tensioning wheel carrier 31.
The outer diameter of described step 41 is greater than the diameter of described polished rod section 42.
The outer diameter of described step 41 is greater than the diameter of described thread section 43.
The diameter of described center hole 3111 is between the outer diameter of the diameter of described polished rod section 42 and described step 41.
Described regualting frame 2 is L-shaped.
The thread section 43 of described push rod 4 is realized self-locking with the tapped hole of described regualting frame 2 21.
During use, the screw rod self-locking synchronous belt tension device device that assembles is installed in the position that needs to apply tension force in the Timing Belt operation plane, Idle wheel 5 and the outer side contacts of Timing Belt, be rotated counterclockwise adjusting nut 431, make thread section 43 in the tapped hole 21 interior rotations of regualting frame 2 and push ahead, tensioning wheel carrier 31 advances synchronously along guide rail 1 under the promotion of step 41, makes Idle wheel 5 compress Timing Belt; After Timing Belt reaches tension effects, stop adjusting nut 431, under the effect of push rod 4 and regualting frame 2 screw thread self-lockings, Idle wheel 5 stops adjusted position; The adjusting nut 431 that turns clockwise can unclamp Idle wheel 5, reduces pretightening force, and this moment, push rod 4 outwards moved, and achieves the goal by the 31 simultaneously motions of setting sleeve 421 pulling tensioning wheel carriers.
The described content of this specification embodiment only is enumerating the way of realization of model utility design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also reaches the equivalent technologies means that design can be expected according to the utility model in those skilled in the art.
Claims (9)
1. screw rod self-locking synchronous belt tension device is characterized in that: comprise guide rail, regualting frame, U-shaped frame, push rod, Idle wheel, an end secured adjusted frame of described guide rail; Described U-shaped frame comprises L shaped tensioning wheel carrier and wheel carrier subplate, and the minor face of described tensioning wheel carrier is offered center hole; Described wheel carrier subplate is fixed on the end face of described minor face, jointly forms the U-shaped frame with described tensioning wheel carrier; Described push rod radially arranges step, described step with push rod be divided into the polished rod section and with the thread section of the tapped hole of regualting frame coupling; Described thread section is fixed by adjusting nut after screwing in tapped hole; Described polished rod section is inserted in described center hole, and by positioning screwn setting sleeve is fixed in the first through hole that polished rod section end radially arranges; Described Idle wheel is installed in by rotating shaft in second through hole of end of described U-shaped frame; Described U-shaped frame is installed in the described guide rail.
2. screw rod self-locking synchronous belt tension device as claimed in claim 1, it is characterized in that: described track cross-section takes the shape of the letter U.
3. screw rod self-locking synchronous belt tension device as claimed in claim 2, it is characterized in that: the guide-track groove width of described guide rail is identical with the long hem width degree of described tensioning wheel carrier.
4. screw rod self-locking synchronous belt tension device as claimed in claim 3, it is characterized in that: described wheel carrier subplate is identical with the width on the long limit of described tensioning wheel carrier.
5. screw rod self-locking synchronous belt tension device as claimed in claim 1, it is characterized in that: the outer diameter of described step is greater than the diameter of described polished rod section.
6. screw rod self-locking synchronous belt tension device as claimed in claim 5, it is characterized in that: the outer diameter of described step is greater than the diameter of described thread section.
7. screw rod self-locking synchronous belt tension device as claimed in claim 6 is characterized in that: the diameter of described center hole is between the outer diameter of the diameter of described polished rod section and described step.
8. screw rod self-locking synchronous belt tension device as claimed in claim 1, it is characterized in that: described regualting frame is L-shaped.
9. screw rod self-locking synchronous belt tension device as claimed in claim 1 is characterized in that: the thread section of described push rod and the tapped hole of described regualting frame realization self-locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203029900U CN202719089U (en) | 2012-06-26 | 2012-06-26 | Screw rod self-locking synchronous belt tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203029900U CN202719089U (en) | 2012-06-26 | 2012-06-26 | Screw rod self-locking synchronous belt tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202719089U true CN202719089U (en) | 2013-02-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203029900U Expired - Fee Related CN202719089U (en) | 2012-06-26 | 2012-06-26 | Screw rod self-locking synchronous belt tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202719089U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216591A (en) * | 2013-03-30 | 2013-07-24 | 齐玉民 | Triangle belt driving device for increasing friction force of driving belt wheel |
| CN103643766A (en) * | 2013-12-09 | 2014-03-19 | 天津市金万方钢结构有限公司 | Tensioning connection piece used for steel structure |
| CN103643767A (en) * | 2013-12-09 | 2014-03-19 | 天津市金万方钢结构有限公司 | Tensioning device for steel structures |
| CN103833237A (en) * | 2014-03-07 | 2014-06-04 | 山东派克诺尔机器有限公司 | Vertical automatic-tensioning rapid replacement mechanism for synchronous belt in plate lamination section of hollow glass production line |
| CN104150150A (en) * | 2014-08-01 | 2014-11-19 | 华中科技大学 | Automatic-guide feeding mechanism |
-
2012
- 2012-06-26 CN CN2012203029900U patent/CN202719089U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216591A (en) * | 2013-03-30 | 2013-07-24 | 齐玉民 | Triangle belt driving device for increasing friction force of driving belt wheel |
| CN103643766A (en) * | 2013-12-09 | 2014-03-19 | 天津市金万方钢结构有限公司 | Tensioning connection piece used for steel structure |
| CN103643767A (en) * | 2013-12-09 | 2014-03-19 | 天津市金万方钢结构有限公司 | Tensioning device for steel structures |
| CN103643766B (en) * | 2013-12-09 | 2016-03-02 | 天津市金万方钢结构有限公司 | A kind of steel work tensioning connector |
| CN103833237A (en) * | 2014-03-07 | 2014-06-04 | 山东派克诺尔机器有限公司 | Vertical automatic-tensioning rapid replacement mechanism for synchronous belt in plate lamination section of hollow glass production line |
| CN104150150A (en) * | 2014-08-01 | 2014-11-19 | 华中科技大学 | Automatic-guide feeding mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20140626 |
|
| EXPY | Termination of patent right or utility model |