CN204173832U - Ratchet-type internal tooth drive device - Google Patents
Ratchet-type internal tooth drive device Download PDFInfo
- Publication number
- CN204173832U CN204173832U CN201420493208.7U CN201420493208U CN204173832U CN 204173832 U CN204173832 U CN 204173832U CN 201420493208 U CN201420493208 U CN 201420493208U CN 204173832 U CN204173832 U CN 204173832U
- Authority
- CN
- China
- Prior art keywords
- ratchet
- piston
- coupling band
- drive device
- internal tooth
- 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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Abstract
The utility model discloses ratchet-type internal tooth drive device, it comprises fixed carrier, ratchet structure, piston, upper cylinder cover and pressing plate, in the middle of fixed carrier, there is input shaft, input shaft overcoat has coupling band, fixed carrier bottom outside coupling band has annular groove, annular groove internal fixtion drag washer, ratchet structure is provided with outside coupling band, piston is positioned at above ratchet structure, piston is placed in brake cylinder casing, and upper piston area has groove, arranges inner spring and outer spring in groove, piston head is by arranging upper cylinder cover, and upper cylinder cover top adopts pressing plate to fix.Ratchet-type internal tooth drive device of the present utility model can drive elevator hoisting heavy when not opening friction pair, namely the friction pair lifted by crane in front brake cylinder device is pushed down by piston and is in closure state under the effect of inside and outside spring, stop the ditch that slips in uphill process, enhance safety factor when hanging thing; Save the consumption of power in uphill process, save fuel; Improve the service life of friction pair.
Description
Technical field
The utility model relates to a kind of ratchet-type internal tooth drive device.
Background technology
Current existing friction transmission all adopts spline structure, and after all will opening friction pair during Bidirectional driving, the spline in drive sleeve makes friction lining rotate together,
Therefore, need to provide a kind of new technical scheme to solve the problems referred to above.
Utility model content
For solving the problem, the utility model provides that a kind of pressure-bearing is large, push-and-pull ratchet-type internal tooth drive device easily.
The technical solution adopted in the utility model is:
Ratchet-type internal tooth drive device, it comprises fixed carrier, ratchet structure, piston, upper cylinder cover and pressing plate, in the middle of described fixed carrier, there is input shaft, described input shaft overcoat has coupling band, fixed carrier bottom outside described coupling band has annular groove, described annular groove internal fixtion drag washer, ratchet structure is provided with outside described coupling band, described piston is positioned at above ratchet structure, described piston is placed in brake cylinder casing, described upper piston area has groove, inner spring and outer spring are set in described groove, described piston head is by arranging upper cylinder cover, described upper cylinder cover top adopts pressing plate to fix.
Described ratchet structure comprises ratchet, ratchet baffle, friction pair moving plate and powder sheet, and described ratchet is placed on coupling band, and described friction pair moving plate and powder sheet interval are installed on ratchet, and described ratchet baffle is arranged at ratchet top.
Described ratchet forms ratchet, and described ratchet is along the circumferential direction provided with multiple torsion spring.
The beneficial effects of the utility model: ratchet-type internal tooth drive device of the present utility model can drive elevator hoisting heavy when not opening friction pair, namely the friction pair lifted by crane in front brake cylinder device is pushed down by piston and is in closure state under the effect of inside and outside spring, stop the ditch that slips in uphill process, enhance safety factor when hanging thing; Save the consumption of power in uphill process, save fuel; Improve the service life of friction pair.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 be in Fig. 1 along A-A to cutaway view.
Wherein: 1, fixed carrier, 2, drag washer, 3, powder sheet, 4, friction pair moving plate, 5, ratchet baffle, 6, piston, 7, outer spring, 8, inner spring, 9, upper cylinder cover, 10, pressing plate, 11, coupling band, 12, ratchet, 13, torsion spring, 14, input shaft, 15, annular groove, 16, groove, 17, ratchet, 18, brake cylinder casing.
Detailed description of the invention
In order to deepen understanding of the present utility model, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, and this embodiment, only for explaining the utility model, does not form the restriction to protection domain of the present utility model.
As shown in Figure 1, ratchet-type internal tooth drive device of the present utility model, it comprises fixed carrier 1, ratchet structure, piston 6, upper cylinder cover 9 and pressing plate 10, in the middle of fixed carrier 1, there is input shaft 14, input shaft 14 is connected with motor (not indicating in figure), input shaft 14 overcoat has coupling band 11, fixed carrier 1 bottom outside coupling band 11 has annular groove 15, annular groove 15 internal fixtion drag washer 2, ratchet structure is provided with outside coupling band 11, piston 6 is positioned at above ratchet structure, piston 6 is placed in brake cylinder casing 18, piston 6 top has groove 16, inner spring 8 and outer spring 7 are set in groove 16, piston 6 top is by arranging upper cylinder cover 9, upper cylinder cover 9 top adopts pressing plate 10 to fix.
Above-mentioned ratchet structure comprises ratchet 17, ratchet baffle 5, friction pair moving plate 4 and powder sheet 3, and ratchet 17 is placed on coupling band 11, and friction pair moving plate 4 and powder sheet 3 interval are installed on ratchet 17, and ratchet baffle 5 is arranged at ratchet 17 top.
With reference to figure 2, ratchet 17 is formed ratchet 12, ratchet 17 is along the circumferential direction provided with multiple torsion spring 13(and is illustrated as 4 torsion springs).
Ratchet-type internal tooth drive device of the present utility model can drive elevator hoisting heavy when not opening friction pair, and namely the friction pair lifted by crane in front brake cylinder device is pushed down by piston 6 and is in closure state under the effect of inside and outside spring 8,7.
Principle of work is as follows:
During hoisting heavy, the ratchet 12 of coupling band 11 is left-hand revolutions, skip ratchet slot in brake plate smoothly, therefore rotate very smooth and easy, when main gear motor stops hanging thing, ratchet 12 snaps in the teeth groove of brake plate (friction pair moving plate 4 and powder sheet 3) under the effect of torsion spring 13, and under the Action of Gravity Field of weight, make ratchet 12 snap in teeth groove, stop weight-drop; When weight needs to continue to rise, namely hotwire repeats said process.Only having when transferring object, should open brake cylinder device, impel friction pair to be separated while hotwire, rotation transferred by motor makes weight slowly fall into position.
Stop the ditch that slips in uphill process, enhance safety factor when hanging thing; Save the consumption of power in uphill process, save fuel; Improve the service life of friction pair.
Claims (3)
1. ratchet-type internal tooth drive device, it is characterized in that: it comprises fixed carrier, ratchet structure, piston, upper cylinder cover and pressing plate, in the middle of described fixed carrier, there is input shaft, described input shaft overcoat has coupling band, fixed carrier bottom outside described coupling band has annular groove, described annular groove internal fixtion drag washer, ratchet structure is provided with outside described coupling band, described piston is positioned at above ratchet structure, described piston is placed in brake cylinder casing, described upper piston area has groove, inner spring and outer spring are set in described groove, described piston head is by arranging upper cylinder cover, described upper cylinder cover top adopts pressing plate to fix.
2. ratchet-type internal tooth drive device according to claim 1, it is characterized in that: described ratchet structure comprises ratchet, ratchet baffle, friction pair moving plate and powder sheet, described ratchet is placed on coupling band, described friction pair moving plate and powder sheet interval are installed on ratchet, and described ratchet baffle is arranged at ratchet top.
3. ratchet-type internal tooth drive device according to claim 2, it is characterized in that: described ratchet forms ratchet, described ratchet is along the circumferential direction provided with multiple torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420493208.7U CN204173832U (en) | 2014-08-29 | 2014-08-29 | Ratchet-type internal tooth drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420493208.7U CN204173832U (en) | 2014-08-29 | 2014-08-29 | Ratchet-type internal tooth drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204173832U true CN204173832U (en) | 2015-02-25 |
Family
ID=52562661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420493208.7U Expired - Fee Related CN204173832U (en) | 2014-08-29 | 2014-08-29 | Ratchet-type internal tooth drive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204173832U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340320A (en) * | 2018-10-25 | 2019-02-15 | 泸州邦立减速机有限责任公司 | A kind of wheel side speed reducer |
-
2014
- 2014-08-29 CN CN201420493208.7U patent/CN204173832U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340320A (en) * | 2018-10-25 | 2019-02-15 | 泸州邦立减速机有限责任公司 | A kind of wheel side speed reducer |
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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: 20150225 Termination date: 20150829 |
|
| EXPY | Termination of patent right or utility model |