CN2755294Y - Double speed bidirectional power aid for vehicle - Google Patents
Double speed bidirectional power aid for vehicle Download PDFInfo
- Publication number
- CN2755294Y CN2755294Y CN 200420111870 CN200420111870U CN2755294Y CN 2755294 Y CN2755294 Y CN 2755294Y CN 200420111870 CN200420111870 CN 200420111870 CN 200420111870 U CN200420111870 U CN 200420111870U CN 2755294 Y CN2755294 Y CN 2755294Y
- Authority
- CN
- China
- Prior art keywords
- driven gear
- spline
- output shaft
- transition
- gear
- 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 provides a double speed bidirectional power takeoff device for a vehicle. A first driven gear engaged with a driving gear is free sheathed on the back section of an output shaft. The utility model is characterized in that a second driven gear in transmission engagement with the driving gear through a gear on a transition shaft is free sheathed on the front section of the output shaft. An engaging and disengaging sleeve of a spline is arranged on the output shaft between the first and the second driven gears; the engaging and disengaging sleeve of a spline can be respectively engaged with the first and the second driven gears; two pistons controlling the bidirectional movement of the engaging and disengaging sleeve of a spline through a piston rod; a sliding body assembly and a movable core shaft are arranged in an air cylinder body. The engaging and disengaging sleeve of a spline is engaged with the first driven gear for realizing forward power output. The engaging and disengaging sleeve of a spline is engaged with the second driven gear for realizing the reversal power output of different speeds. Compared with an existing power takeoff device, the power takeoff device can realize two kinds of double power output with different rotary directions and different speeds.
Description
Technical field
The utility model relates to and matching used power take-offs such as automobile gearbox drive rotating disk, hoist.
Background technique
At present, common power take-off structure on the market mainly is a kind of sense of rotation, a kind of speed.For example the patent No. is that 03235854.7 utility model patent discloses the tooth-like clutch-type power takeoff of a kind of axial cylinder piston, comprise driving gear, with tooth-like driven gear, the output shaft of driving gear engagement, movable axis, tooth-like spline housing; Piston is positioned at cylinder, tooth-like driven gear is bearing on the output shaft by bearing, tooth-like spline housing is free-sliding spline with the cylindrical of output shaft afterbody and cooperates, the position of tooth-like spline housing and tooth-like driven gear is adjacent, and corresponding position is provided with intermeshing radial teeth of energy or end face tooth between tooth-like spline housing and the tooth-like driven gear; The unthreaded hole of movable axis and output shaft afterbody is slidingly matched, and the movable axis rear end contacts with piston, is provided with Returnning spring between movable axis front end and the output shaft; Movable axis leading portion or medium position are provided with radially the bearing pin that stretches, and described bearing pin passes correspondingly the groove from the input shaft hole wall, and the two ends of bearing pin are fixed on the tooth-like spline housing.This power take-off just can only be realized the power output of a kind of sense of rotation, a kind of speed; In addition, its clutch mode is that the conventional springs compression resets, and must can not disconnect with settings such as its supporting solenoid valve, sources of the gas during work, must cause all part working life shortenings relevant with it like this.
Summary of the invention
Can only realize the problem of the power output of a kind of sense of rotation, a kind of speed in order to solve existing power take-off.The utility model proposes the two-way power take-off of automobile-used double speed.
For this reason, the technical solution of the utility model is as follows: the two-way power take-off of automobile-used double speed, comprise the driving gear that is supported in the housing, output shaft, sky is enclosed within first driven gear of output shaft back segment, cylinder block, the spline clutch cover, movable mandrel, half gear teeth of driving gear and the engagement of first driven gear, the spline clutch cover is free-sliding spline with input shaft middle part cylindrical and cooperates, sliding body and spline clutch cover in the output shaft are fixed, the leading portion of output shaft also has second driven gear by bearings, also be provided with transition axis in the housing, transition axis is provided with idle pulley, the 3rd driven gear, second driven gear and the engagement of the 3rd driven gear, idle pulley and driving gear engagement; It is characterized in that:
Spline clutch cover two ends are provided with chimeric position, correspondingly respectively on first driven gear, second driven gear are provided with chimeric position.
The axle sleeve of two one end tape spool shoulders is housed on the piston rod cervical part of esophagus in cylinder block, the shaft shoulder of axle sleeve is towards the output shaft direction, and spacing with the step of piston rod, compress back-up ring restriction axle sleeve in the rear end of piston rod by the one stroke bar, the cylindrical of back-up ring is bigger than the axle journal of axle sleeve;
Two pistons are oppositely arranged in cylinder block, respectively with the axle journal air-tight fit of two axle sleeves, two pistons simultaneously with the cylinder block air-tight fit, near leaving the cavity that sky is opened the axle sleeve shaft shoulder in the axial piston of output, leave the cavity that sky is opened back-up ring in another piston; Be respectively equipped with an inlet hole at the two ends of cylinder block inner carrier, on the cavity that cylinder block middle part two-piston contains, also be provided with an inlet hole;
The piston rod front end is connected with sliding body by transition piece, wherein transition piece is made up of transition ball cover, movable mandrel, transition ball cover inner chamber is a counterbore, the aperture Spielpassung of movable mandrel and transition ball cover, the slide core shaft rear end is provided with the shaft shoulder, the shaft shoulder of pull bar by steel ball or bearings on the interior edge face of counterbore; Piston rod is fixedlyed connected with sliding sleeve, and movable mandrel front end is connected with movable mandrel, the end face of transition ball cover by steel ball or bearings on the ear end face of movable mandrel.
Beneficial effect: it is rational in infrastructure and simple for the structure of described power take-off.On cylinder block,, promote to move behind the piston, drive piston rod by axle sleeve and move near the axial inlet hole air inlet of output, move behind the movable mandrel drive sliding body by transition piece then, spline clutch cover and the engagement of first driven gear drive the output shaft rotation, realize positive power output; On cylinder block away from output axial inlet hole air inlet, the reach of promotion piston, driving piston rod by axle sleeve moves, transition ball cover by transition piece promotes the sliding body reach then, spline clutch cover and the engagement of second driven gear, drive the output shaft counterrotating, thereby realize the reverse power output of friction speed; And when middle inlet hole air inlet, sliding body drives the spline clutch cover and is positioned at meta, and this moment, the spline clutch cover was not chimeric with first driven gear, second driven gear, the unpowered output of output shaft, realization neutral gear.
Described power take-off is compared with existing power take-off, can realize two kinds of power outputs of different rotary direction, friction speed by the structure of advantages of simple, for the motor vehicle power taking has brought new selection, just can realize power taking easily such as the vehicle that has rotating disk, hoist simultaneously.Simultaneously, clutch system in this power take-off has been cancelled Returnning spring, realize clutch by air pressure, can disconnect settings such as the solenoid valve supporting, source of the gas, power supply during work with it, must cause all parts relevant to improve working life, thereby improve the working life and the service cycle of clutch with it.
Description of drawings
Fig. 1 is the deployed configuration schematic representation of analysing and observe of the present utility model.
Embodiment
The two-way power take-off of automobile-used double speed as shown in Figure 1, driving gear 20 by rotating shaft be supported on the housing 16, first driven gear, 11 skies are enclosed within output shaft 17 back segments, half gear teeth of driving gear 20 and 11 engagements of first driven gear; Also be provided with transition axis 15 in the housing 16, transition axis 15 is provided with idle pulley 13, the 3rd driven gear 14, the second driven gears 18 and 14 engagements of the 3rd driven gear, idle pulley 13 and driving gear 20 engagements; Spline clutch cover 12 is free-sliding spline with input shaft 17 middle part cylindricals and cooperates, and sliding body 19 is fixing by bearing pin and spline clutch cover 12;
The chimeric position of spline clutch cover 12 left ends is radial teeth, and the chimeric position of spline clutch cover 12 right-hand members is tooth embeddings, and the corresponding radial teeth that is provided with on first driven gear 11 correspondingly on second driven gear 18 is provided with the tooth embedding;
The axle sleeve 4,5 of two one end tape spool shoulders is housed on the piston rod 8 axle journal sections in cylinder block 22, the shaft shoulder of axle sleeve 4,5 is towards output shaft 17 directions, axle sleeve 5 is spacing with the step of piston rod 8, rear end at piston rod compresses back-up ring 23 restriction axle sleeves 4 by stroke lever 1, and the cylindrical of back-up ring 23 is bigger than the axle journal of axle 4 covers;
Be oppositely arranged at cylinder block 22 interior two pistons 3,6, the axle journal air-tight fit of piston 3 and axle sleeve 4, the axle journal air-tight fit of piston 6 and axle sleeve 5,3,6 whiles and cylinder block 22 air-tight fit of piston, leave sky in the piston 6 and open the cavity of axle sleeve 5 shaft shoulders, leave the cavity that sky is opened back-up ring 24 in another piston 3; Be respectively equipped with an inlet hole 2,7 at the two ends of cylinder block 22 inner carriers, on the cavity that cylinder block 22 middle part two-pistons contain, also be provided with an inlet hole 21;
Piston rod 8 front ends are connected with sliding body 19 by transition piece, wherein transition piece is made up of transition ball cover 6, movable mandrel 10, it is counterbores that the transition ball overlaps 6 inner chambers, the aperture Spielpassung of movable mandrel 10 and transition ball cover 6, movable mandrel 10 rear ends are provided with the shaft shoulder, and the shaft shoulder of movable mandrel 10 is supported on the counterbore interior edge face of transition ball cover 6 by steel ball; Piston rod 8 overlaps 6 with the transition ball fixedlys connected, and movable mandrel 10 front ends are connected with sliding body 19, and the end face of transition ball cover 6 is supported on the ear end face of sliding body 19 by steel ball.
In such scheme, the steel ball between movable mandrel 10 and the transition ball cover 6 can substitute with bearing, and the steel ball between transition ball cover 6 and the sliding body 19 can substitute with bearing.
In such scheme, idle pulley 13 and the 3rd driven gear 14 can be made an integral body, also can be splits.
The chimeric position at above-mentioned spline clutch cover 11 two end part is not limited to said structure, can adopt any chimeric structure that realizes in theory.Just can realize such as following several structures:
(1), the chimeric position at spline clutch cover 12 two ends all is radial teeth, the corresponding radial teeth that is provided with on first driven gear 11, second driven gear 18.
(2), the chimeric position at spline clutch cover 12 two ends all is the end face tooth, the corresponding end face tooth that is provided with on first driven gear 11, second driven gear 18.
(3), the chimeric position at spline clutch cover 12 two ends all is the tooth embedding, correspondingly on first driven gear 11, second driven gear 18 is provided with the tooth embedding.
(4), the chimeric position of spline clutch cover 12 left ends is tooth embeddings, the chimeric position of feather key clutch cover 12 right-hand members is radial teeth, first driven gear, 11 corresponding tooth embedding, the corresponding radial teeth that are provided with on second driven gear 18 of being provided with.
In the structure, radial teeth also can substitute the corresponding end face tooth that is provided with on second driven gear 18 with the end face tooth in (4).
Claims (3)
1, the two-way power take-off of automobile-used double speed, comprise the driving gear that is supported in the housing, output shaft, sky is enclosed within first driven gear of output shaft back segment, cylinder block, the spline clutch cover, movable mandrel, half gear teeth of driving gear and the engagement of first driven gear, the spline clutch cover is free-sliding spline with input shaft middle part cylindrical and cooperates, sliding body and spline clutch cover in the output shaft are fixed, the leading portion of output shaft also has second driven gear by bearings, also be provided with transition axis in the housing, transition axis is provided with idle pulley, the 3rd driven gear, second driven gear and the engagement of the 3rd driven gear, idle pulley and driving gear engagement; It is characterized in that:
Spline clutch cover two ends are provided with chimeric position, correspondingly respectively on first driven gear, second driven gear are provided with chimeric position.
The axle sleeve of two one end tape spool shoulders is housed on the piston rod cervical part of esophagus in cylinder block, the shaft shoulder of axle sleeve is towards the output shaft direction, and spacing with the step of piston rod, compress back-up ring restriction axle sleeve in the rear end of piston rod by the one stroke bar, the cylindrical of back-up ring is bigger than the axle journal of axle sleeve;
Two pistons are oppositely arranged in cylinder block, respectively with the axle journal air-tight fit of two axle sleeves, two pistons simultaneously with the cylinder block air-tight fit, near leaving the cavity that sky is opened the axle sleeve shaft shoulder in the axial piston of output, leave the cavity that sky is opened back-up ring in another piston; Be respectively equipped with an inlet hole at the two ends of cylinder block inner carrier, on the cavity that cylinder block middle part two-piston contains, also be provided with an inlet hole;
The piston rod front end is connected with sliding body by transition piece, wherein transition piece is made up of transition ball cover, movable mandrel, transition ball cover inner chamber is a counterbore, the aperture Spielpassung of movable mandrel and transition ball cover, the slide core shaft rear end is provided with the shaft shoulder, the shaft shoulder of pull bar by steel ball or bearings on the interior edge face of counterbore; Piston rod is fixedlyed connected with sliding sleeve, and movable mandrel front end is connected with movable mandrel, the end face of transition ball cover by steel ball or bearings on the ear end face of movable mandrel.
2, the two-way power take-off of automobile-used double speed according to claim 1, it is characterized in that: the chimeric position of described spline clutch cover left end is a radial teeth, the chimeric position of feather key clutch cover right-hand member is the tooth embedding, and the corresponding radial teeth that is provided with on first driven gear correspondingly on second driven gear is provided with the tooth embedding.
3, the two-way power take-off of automobile-used double speed according to claim 1 is characterized in that: the chimeric position at described spline clutch cover two ends is radial teeth, the corresponding radial teeth that is provided with on first driven gear, on second driven gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420111870 CN2755294Y (en) | 2004-12-04 | 2004-12-04 | Double speed bidirectional power aid for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420111870 CN2755294Y (en) | 2004-12-04 | 2004-12-04 | Double speed bidirectional power aid for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2755294Y true CN2755294Y (en) | 2006-02-01 |
Family
ID=35928922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420111870 Expired - Fee Related CN2755294Y (en) | 2004-12-04 | 2004-12-04 | Double speed bidirectional power aid for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2755294Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896030A (en) * | 2015-06-16 | 2015-09-09 | 南京高精齿轮集团有限公司 | Speed regulation shift mechanism of inner sliding pull rod |
-
2004
- 2004-12-04 CN CN 200420111870 patent/CN2755294Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896030A (en) * | 2015-06-16 | 2015-09-09 | 南京高精齿轮集团有限公司 | Speed regulation shift mechanism of inner sliding pull rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060201 Termination date: 20131204 |