CN205534084U - Friction transmission mechanism - Google Patents
Friction transmission mechanism Download PDFInfo
- Publication number
- CN205534084U CN205534084U CN201620238647.2U CN201620238647U CN205534084U CN 205534084 U CN205534084 U CN 205534084U CN 201620238647 U CN201620238647 U CN 201620238647U CN 205534084 U CN205534084 U CN 205534084U
- Authority
- CN
- China
- Prior art keywords
- cone pulley
- friction cone
- driven shaft
- coarse thread
- driving shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model discloses a friction transmission mechanism, including driving shaft and driven shaft, the driving shaft tip is provided with first friction cone pulley, the tip of driven shaft is provided with second friction cone pulley, first friction cone pulley and second friction cone pulley tendency drive, its characterized in that, ab intra has outwards set gradually coarse thread screw rod, coarse thread nut and key between driven shaft and the second friction cone pulley, still be provided with compression spring between coarse thread nut and the second friction cone pulley. It is preferred, be provided with force transducer on driving shaft and driven shaft looks rubbing contact's the face. Use the flexibility higher, further, avoid long -term overload work and influence the life of mechanism.
Description
Technical field
This utility model relates to a kind of slip gear.
Background technology
Existing slip gear when overload condition occurs, produce between friction cone pulley relatively slide and cause mechanism can not normal rotation, the motility of use is poor.
Utility model content
For the problems referred to above, this utility model provides a kind of slip gear, uses motility higher, further, it is to avoid long-term overburden works and affects the service life of mechanism.
For realizing above-mentioned technical purpose, reaching above-mentioned technique effect, this utility model is achieved through the following technical solutions:
A kind of slip gear, including driving shaft and driven shaft, described driving shaft end is provided with the first friction cone pulley, the end of described driven shaft is provided with the second friction cone pulley, described first friction cone pulley and the second friction cone pulley frictional drive, it is characterized in that, be disposed with coarse thread screw rod, coarse thread nut and key between described driven shaft and the second friction cone pulley from inside to outside, between described coarse thread nut and the second friction cone pulley, be additionally provided with compression spring.
Preferably, described driving shaft is provided with force transducer on the face of driven shaft phase CONTACT WITH FRICTION.
Preferably, described driving shaft is vertically arranged, and described driven shaft is horizontally disposed with.
Preferably, described force transducer is strain pressure transducer.
The beneficial effects of the utility model are:
Driving shaft drives the first friction cone pulley to be rotated, driven shaft is driven to rotate by the second friction cone pulley, key, coarse thread nut and coarse thread screw rod, wherein, when the load on driven shaft exceedes setting value, coarse thread nut slides and compresses compression spring, compresses the first friction cone pulley and the second friction cone pulley makes frictional force increase, so that mechanism remains in operation, when load is less, then coarse thread nut reduces the pressure of compression spring so that the first friction cone pulley and the second friction cone pulley frictional force reduce.
Further, the frictional force that force transducer monitoring is concrete, it is to avoid long-term overburden works and affects the service life of mechanism.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of slip gear of this utility model；
The labelling implication of accompanying drawing is as follows:
1: driving shaft；2: force transducer；3: the first friction cone pulleys；4: driven shaft；5: the second friction cone pulleys；6: coarse thread screw rod；7: coarse thread nut；8: compression spring；9: key.
Detailed description of the invention
Being described in further detail technical solutions of the utility model with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be better understood from this utility model and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
As shown in Figure 1, a kind of slip gear, including driving shaft 1 and driven shaft 4, described driving shaft 1 end is provided with the first friction cone pulley 3, the end of described driven shaft 4 is provided with the second friction cone pulley 5, described first friction cone pulley 3 and the second friction cone pulley 5 frictional drive, coarse thread screw rod 6 it is disposed with from inside to outside between described driven shaft 4 and the second friction cone pulley 5, coarse thread nut 7 and key 9, it is additionally provided with compression spring 8 between described coarse thread nut 7 and the second friction cone pulley 5, compression spring 8 is positioned at the end of coarse thread nut 7, it changes the pressure to the second friction cone pulley 5 according to the motion of coarse thread nut 7.
Preferably, described driving shaft 1 and the face of driven shaft 4 phase CONTACT WITH FRICTION are provided with force transducer 2, such as strain pressure transducer 2.
Preferably, described driving shaft 1 is vertically arranged, and described driven shaft 4 is horizontally disposed with.
As a example by direction in Fig. 1: driving shaft 1 drives the first friction cone pulley 3 to be rotated, by the second friction cone pulley 5, key 9, coarse thread nut 7 and coarse thread screw rod 6 drive driven shaft 4 to rotate, wherein, when the load on driven shaft 4 exceedes setting value, coarse thread nut 7 slides from right to left and compresses compression spring 8, compress the first friction cone pulley 3 and the second friction cone pulley 5, frictional force is increased, so that mechanism remains in operation, when load is less, then coarse thread nut 7 slides from left to right, reduce the pressure of compression spring 8, first friction cone pulley 3 and the second friction cone pulley 5 frictional force are reduced.
The service life of mechanism is affected for avoiding the work of long-term overburden, being additionally provided with the MCU being connected with force transducer 2 and alarm (not shown), concrete frictional force monitored by force transducer 2, after over loading reaches the time set, MCU controls alarm work, reminds staff to note.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to be made or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, is the most in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a slip gear, including driving shaft (1) and driven shaft (4), described driving shaft (1) end is provided with the first friction cone pulley (3), the end of described driven shaft (4) is provided with the second friction cone pulley (5), described first friction cone pulley (3) and the second friction cone pulley (5) frictional drive, it is characterized in that, coarse thread screw rod (6) it is disposed with from inside to outside between described driven shaft (4) and the second friction cone pulley (5), coarse thread nut (7) and key (9), it is additionally provided with compression spring (8) between described coarse thread nut (7) and the second friction cone pulley (5).
A kind of slip gear the most according to claim 1, it is characterised in that be provided with force transducer (2) on described driving shaft (1) and the face of driven shaft (4) phase CONTACT WITH FRICTION.
A kind of slip gear the most according to claim 1, it is characterised in that described driving shaft (1) is vertically arranged.
A kind of slip gear the most according to claim 3, it is characterised in that described driven shaft (4) is horizontally disposed with.
A kind of slip gear the most according to claim 2, it is characterised in that described force transducer (2) is strain pressure transducer (2).
A kind of slip gear the most according to claim 5, it is characterised in that also include MCU and the alarm being connected with force transducer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620238647.2U CN205534084U (en) | 2016-03-28 | 2016-03-28 | Friction transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620238647.2U CN205534084U (en) | 2016-03-28 | 2016-03-28 | Friction transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205534084U true CN205534084U (en) | 2016-08-31 |
Family
ID=56783942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620238647.2U Expired - Fee Related CN205534084U (en) | 2016-03-28 | 2016-03-28 | Friction transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205534084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673794A (en) * | 2016-03-28 | 2016-06-15 | 苏州市合叶精密机械有限公司 | Friction drive mechanism |
-
2016
- 2016-03-28 CN CN201620238647.2U patent/CN205534084U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105673794A (en) * | 2016-03-28 | 2016-06-15 | 苏州市合叶精密机械有限公司 | Friction drive 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170328 |