CN204536005U - A kind of drum dynamometer quick change projection device - Google Patents
A kind of drum dynamometer quick change projection device Download PDFInfo
- Publication number
- CN204536005U CN204536005U CN201520252443.XU CN201520252443U CN204536005U CN 204536005 U CN204536005 U CN 204536005U CN 201520252443 U CN201520252443 U CN 201520252443U CN 204536005 U CN204536005 U CN 204536005U
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- CN
- China
- Prior art keywords
- projection device
- drum dynamometer
- locking pin
- quick change
- driving lever
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Abstract
The utility model discloses a kind of drum dynamometer quick change projection device.Comprise: projection base, its center is provided with through hole, described projection base bottom is provided with the teat inserting drum dynamometer: adapter sleeve, it is that tubular is enclosed within described teat, between teat and drum dynamometer, the lower end of described adapter sleeve arranges radially outward extending periphery, and the lower surface of periphery is for extend circular conical surface obliquely; And driving lever, it is rotatable is arranged in described through hole, and driving lever lower end is provided with cam structure; Locking pin, it is movably arranged in the radial direction through hole of described teat, and the front end of described locking pin is provided with the dip plane structure that can match with described circular conical surface.The beneficial effects of the utility model are: the fast assembling-disassembling that can realize projection device, have effectively saved the time changing projection device, have improve work efficiency; Projection base can coordinate with the projection of differing heights and has higher exchange performance.
Description
Technical field
The utility model relates to and is a kind ofly arranged on the projection device on thin-wall construction, and particularly a kind of drum dynamometer that is arranged on can the bulging testing table quick change projection device of fast assembling-disassembling.
Background technology
Chassis dynamometer is a fundamental test equipment.Rotary drum axle head is contained in fluid power or Electric Dynamometer, and dynamometer can produce certain moment of resistance, to regulate rotary drum rotating speed, controls the rotating speed of automobile driving wheel.The moment that automobile driving wheel puts on rotary drum can be obtained by device for measuring force.
In order to simulated target road surface, drum dynamometer is furnished with a large amount of projection devices.After one group of experiment terminates, need to be switched to another kind of road surface fast.Existing projection device, what be bolted mode is fixed on drum dynamometer, and this just causes projection cannot fast assembling-disassembling, has had a strong impact on work efficiency.
Therefore, a kind of fast assembling-disassembling that can either realize projection, the bulging testing table quick change projection device again with very high interchangeability becomes the key of dealing with problems.
Utility model content
The purpose of this utility model is to provide a kind of drum dynamometer quick change projection device, can realize projection fast assembling-disassembling.
The purpose of this utility model is to provide a kind of drum dynamometer quick change projection device, and projection base can match with the projection of differing heights and shape, has higher interchangeability.
For achieving the above object, the utility model adopts following technical scheme, and a kind of drum dynamometer quick change projection device, comprising:
Projection base, its center is provided with through hole, and described projection base bottom is provided with the teat inserting drum dynamometer;
Adapter sleeve, it is that tubular is enclosed within described teat, and between teat and drum dynamometer, the lower end of described adapter sleeve arranges radially outward extending periphery, and the lower surface of periphery is for extend circular conical surface obliquely; And
Driving lever, it is rotatable is arranged in described through hole, and driving lever lower end is provided with cam structure;
Locking pin, it is movably arranged in the radial direction through hole of described teat, and the front end of described locking pin is provided with the dip plane structure that can match with described circular conical surface;
Wherein, rotate driving lever and drive cam structure extruding locking pin, make the dip plane structure squeeze flow cover circular conical surface of locking pin, projection device is fixed on drum dynamometer; Rotating driving lever drives cam structure not extrude locking pin, realizes the dismounting of projection device.
Preferably, be provided with in the outer end of described radial direction through hole the door preventing locking pin landing.
Preferably, be provided with between described door and locking pin as the retracing spring providing restoring force is return in locking pin front end.
Preferably, described projection base and projection removably connect.
Preferably, the top of driving lever is provided with hemisphere groove, and the radial direction of projection base is provided with bolt, is provided with locking steel ball in bolt front end, and described locking steel ball optionally coordinates with hemisphere groove, the position of driving lever in through hole can be fixed.
Preferably, between described bolt and locking steel ball, holddown spring is provided with.
Preferably, the external thread mated with the hole on drum dynamometer is provided with on described adapter sleeve top.
Preferably, be provided with fluting at described driving lever top, be convenient to rotate driving lever by instrument and slotted engagement.
The beneficial effects of the utility model are: the fast assembling-disassembling that 1, can realize projection device, have effectively saved the time changing projection device, have improve work efficiency; 2, projection base can coordinate with the projection of differing heights and has higher exchange performance.
Accompanying drawing explanation
Fig. 1 is the positive view of a kind of drum dynamometer quick change of the utility model projection device when clamped condition.
Fig. 2 is the side sectional view of a kind of drum dynamometer quick change of the utility model projection device when clamped condition.
Fig. 3 is the front section view of a kind of drum dynamometer quick change of the utility model projection device when releasing orientation.
Fig. 4 is the projection pedestal vertical view of a kind of drum dynamometer quick change of the utility model projection device.
Fig. 5 is the front section view of the projection pedestal of a kind of drum dynamometer quick change of the utility model projection device.
Fig. 6 is the deflector rod structure figure of a kind of drum dynamometer quick change of the utility model projection device.
Fig. 7 is the locking pin structural drawing of a kind of drum dynamometer quick change of the utility model projection device.
In figure: quick change projection device 1, projection pedestal 120, through hole 121, teat 122, radial direction through hole 123, door 124, retracing spring 125, locking steel ball 126, holddown spring 127, bolt 128, internal thread 129, adapter sleeve 130, external thread 131, periphery 132, driving lever 140, hemisphere groove 141, cam structure 142, fluting 143, external thread 144, locking pin 150, dip plane structure 151, drum dynamometer 2, projection 3.
Embodiment
Below in conjunction with accompanying drawing, utility model is described in further detail, can implements according to this with reference to instructions word to make those skilled in the art.
As shown in Fig. 1-Fig. 7, a kind of drum dynamometer quick change projection device 1, comprising: projection base 120, its center is provided with through hole 121, and described projection base 120 bottom is provided with the teat 122 inserting drum dynamometer 2; Adapter sleeve 130, it is that tubular is enclosed within described teat 122, and between teat 122 and drum dynamometer 2, the lower end of described adapter sleeve 130 arranges radially outward extending periphery 132, and the lower surface of periphery 132 is for extend circular conical surface obliquely; And driving lever 140, it is rotatable is arranged in described through hole 121, and driving lever 140 lower end is provided with cam structure 142; Locking pin 150, it is movably arranged in the radial direction through hole 123 of described teat 122, and the front end of described locking pin 150 is provided with the dip plane structure 151 that can match with described circular conical surface; Wherein, rotate driving lever 140 and drive cam structure 142 to extrude locking pin 150, make the dip plane structure of locking pin 150 squeeze the circular conical surface of 151 pressure adapter sleeves 130, quick change projection device 1 is fixed on drum dynamometer 2; Rotating driving lever 140 drives cam structure 142 not extrude locking pin 150, realizes the dismounting of quick change projection device 1.
In use, first driving lever 140 is inserted as in projection pedestal 120, again projection 3 is connected with projection pedestal 120, again the teat 122 of projection pedestal 120 is inserted adapter sleeve 130, again the projection pedestal 120 with adapter sleeve 130 is put into the cavity of drum dynamometer 2, when needs fixedly mount, rotating lever 140, the cam structure 142 of driving lever 140 is made to extrude locking pin 150, locking pin 150 front end is made to reach radial direction through hole 123 outside, the circular conical surface of locking pin 150 front end and adapter sleeve 130 is closely cooperated, quick change projection device 1 is arranged on drum dynamometer 2, when needs dismounting quick change projection device 1, the cam structure 142 of driving lever 140 is made to unclamp locking pin 150 by stirring driving lever 140, stressed disappearance between the circular conical surface of locking pin 150 and adapter sleeve 130, locking pin 150 is return in radial direction through hole 123, by the dismounting of quick change projection device 1.
In another embodiment, be provided with to prevent locking pin 150 landing and the door 124 guiding it to move horizontally in the outer end of described radial direction through hole 123, door 124 is in tubular, its inner periphery coordinates with locking pin 150, its excircle coordinates with radial direction through hole 123, effectively ensure that adapter sleeve 130 is locked by locking pin.
In another embodiment, be provided with as the retracing spring 125 providing restoring force in radial direction through hole 123 is return in locking pin 150 front end between described door 124 and locking pin 150, make the stressed disappearance of working as between the circular conical surface of locking pin 150 and adapter sleeve 130, locking pin 150 can be return in radial direction through hole 123 smoothly fast, improves the dismounting speed of quick change projection device 1.
In another embodiment, in described projection 3 and the dismountable connection of projection base 120.
In another embodiment, the top of driving lever is provided with hemisphere groove 141, the radial direction of projection base 120 is provided with bolt 128, locking steel ball 126 is provided with in bolt 128 front end, described locking steel ball 126 optionally coordinates with hemisphere groove 141, the position of driving lever 140 in through hole 121 can be fixed.
In another embodiment, between described bolt 128 and locking steel ball 126, be provided with holddown spring 127, be convenient to bolt 128 and locking steel ball 126 is pushed down.
In another embodiment, be provided with on described adapter sleeve 130 top the external thread 131 mated with the hole on drum dynamometer 2, adapter sleeve 130 be threaded with drum dynamometer 2 and make quick change projection device 1 more firm after being installed to drum dynamometer 2.
In another embodiment, be provided with fluting 143 at described driving lever 140 top, be convenient to coordinate by instrument rotate driving lever 140 with fluting 143, described fluting is interior hex slot, coordinate with interior hex slot by hex tool, make driving lever 140 in rotary course, be more easy to operation.
As mentioned above, a kind of drum dynamometer quick change of the utility model projection device, can realize the fast assembling-disassembling of projection, has effectively saved the time changing quick change projection, has improve work efficiency; Projection base 120 can coordinate with the projection 3 of differing heights and has higher exchange performance.
Although embodiment of the present utility model is open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable field of the present utility model completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend described.
Claims (8)
1. a drum dynamometer quick change projection device, is characterized in that, comprising:
Projection base, its center is provided with through hole, and described projection base bottom is provided with the teat inserting drum dynamometer;
Adapter sleeve, it is that tubular is enclosed within described teat, and between teat and drum dynamometer, the lower end of described adapter sleeve arranges radially outward extending periphery, and the lower surface of periphery is for extend circular conical surface obliquely; And
Driving lever, it is rotatable is arranged in described through hole, and driving lever lower end is provided with cam structure;
Locking pin, it is movably arranged in the radial direction through hole of described teat, and the front end of described locking pin is provided with the dip plane structure that can match with described circular conical surface;
Wherein, rotate driving lever and drive cam structure extruding locking pin, make the dip plane structure squeeze flow cover circular conical surface of locking pin, projection device is fixed on drum dynamometer; Rotating driving lever drives cam structure not extrude locking pin, realizes the dismounting of projection device.
2. drum dynamometer quick change projection device according to claim 1, is characterized in that: the door being provided with to prevent locking pin landing in the outer end of described radial direction through hole.
3. drum dynamometer quick change projection device according to claim 2, is characterized in that: be provided with between described door and locking pin as the retracing spring providing restoring force is return in locking pin front end.
4. drum dynamometer quick change projection device according to claim 1 and 2, is characterized in that: described projection base and projection removably connect.
5. drum dynamometer quick change projection device according to claim 1 and 2, it is characterized in that: the top of driving lever is provided with hemisphere groove, the radial direction of projection base is provided with bolt, locking steel ball is provided with in bolt front end, described locking steel ball optionally coordinates with hemisphere groove, the position of driving lever in through hole can be fixed.
6. drum dynamometer quick change projection device according to claim 5, is characterized in that: between described bolt and locking steel ball, be provided with holddown spring.
7. drum dynamometer quick change projection device according to claim 1 and 2, is characterized in that: be provided with the external thread mated with the hole on drum dynamometer on described adapter sleeve top.
8. drum dynamometer quick change projection device according to claim 1 and 2, is characterized in that: be provided with fluting at described driving lever top, is convenient to rotate driving lever by instrument and slotted engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520252443.XU CN204536005U (en) | 2015-04-22 | 2015-04-22 | A kind of drum dynamometer quick change projection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520252443.XU CN204536005U (en) | 2015-04-22 | 2015-04-22 | A kind of drum dynamometer quick change projection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204536005U true CN204536005U (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520252443.XU Expired - Fee Related CN204536005U (en) | 2015-04-22 | 2015-04-22 | A kind of drum dynamometer quick change projection device |
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| CN (1) | CN204536005U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945742A (en) * | 2017-03-09 | 2017-07-14 | 大连理工大学 | Change mechanism in a kind of efficient legged type robot vola |
| CN113643464A (en) * | 2020-04-29 | 2021-11-12 | 苏州佳世达电通有限公司 | Intelligent security guard access control system |
-
2015
- 2015-04-22 CN CN201520252443.XU patent/CN204536005U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106945742A (en) * | 2017-03-09 | 2017-07-14 | 大连理工大学 | Change mechanism in a kind of efficient legged type robot vola |
| CN113643464A (en) * | 2020-04-29 | 2021-11-12 | 苏州佳世达电通有限公司 | Intelligent security guard access control system |
| CN113643464B (en) * | 2020-04-29 | 2022-12-30 | 苏州佳世达电通有限公司 | Intelligent security guard access control system |
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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: 20150805 Termination date: 20160422 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |