CN201833878U - Dynamic power takeoff assembly for vehicles - Google Patents
Dynamic power takeoff assembly for vehicles Download PDFInfo
- Publication number
- CN201833878U CN201833878U CN2010205810017U CN201020581001U CN201833878U CN 201833878 U CN201833878 U CN 201833878U CN 2010205810017 U CN2010205810017 U CN 2010205810017U CN 201020581001 U CN201020581001 U CN 201020581001U CN 201833878 U CN201833878 U CN 201833878U
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- China
- Prior art keywords
- piston rod
- piston
- power takeoff
- shaft
- power
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- Expired - Fee Related
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Abstract
The utility model discloses a dynamic power takeoff assembly for vehicles, which comprises a power takeoff casing, a driving shaft, a driven shaft, a mesh sleeve, a driving gear, a driven gear, an output flange, a power input shaft, a cylinder block, a piston, a piston rod and a spring. One end of the driving shaft is mounted in an axial hole of the power input shaft via a needle roller bearing, a piston rod sliding hole is axially disposed at the other end of the driving shaft, the piston is located in the cylinder block, the piston rod slides in the piston rod sliding hole, a travel groove is arranged on the corresponding driving shaft at the end of the piston rod, an inserting end of the piston rod is fixedly connected with the mesh sleeve via a cylindrical pin, and the spring is disposed between the driving shaft and the piston. The dynamic power takeoff assembly realizes gear shifting via the piston, the piston rod and the spring, the piston, the piston rod and the spring are arranged in the power takeoff casing via the cylinder block, the total cylinder is embedded in the dynamic power takeoff assembly, and the dynamic power takeoff assembly is compact in structure, smaller in size and stable in gear shifting and power transmission. Compared with a power takeoff assembly with a total external cylinder, the dynamic power takeoff assembly is simpler in structure and low in manufacturing cost.
Description
Technical field
The utility model relates to a kind of vehicle power transmission mechanism, relates in particular to a kind of vehicle power power takeoff assembly.
Background technology
Power takeoff on the change-speed box is to be used for running car engine power in addition to supply with, and for example the rear platform of self-unloading truck is supplied with power with power takeoff and realized self-unloading.Power takeoff drives additional equipment, such as the crane that drives oil pump, and tip lorry, concrete mixer, the water truck of drive water pump, the suction-type sewer scavenger of band vacuum pump etc.
Power takeoff ties up to gear-box side power taking window by the tooth power taking of reversing gear on high gear tooth on the change speed gear box tween drive shaft or the reverse gear shaft.Overall structure: power takeoff has a shaft type, two-axis, triple axle, band odd-side formula, single several forms such as dual output formula and two manipulation dual output formulas of handling.Wherein general with two-axis structure, as Fig. 1, shown in 2, comprise power takeoff housing 1a, be set in parallel in imput shaft 2a and driven shaft 3a in the power takeoff housing 1a, by the sliding hub 4a of spline package on imput shaft 2a, be sleeved on driving gear 6a on the imput shaft 2a by needle bearing 5a, driven gear 7a and the output flange 8a of fixed cover on driven shaft 3a, the shift fork 9a of captiveing joint with sliding hub 4a, the rocking arm 11a that gearshift cylinder assembly 10a and gearshift cylinder piston rod drive, described imput shaft 2a is by input shaft assembly 12a and be connected tooth and overlap 13a and be connected with the change speed gear box tween drive shaft, the engagement of driving gear 6a and driven gear 7a tooth, described sliding hub 4a by spline and imput shaft 2a radially anchor shaft to slidably cooperating.The change speed gear box tween drive shaft is given driving wheel 6a with transmission of power, and the shift fork 9a that driving wheel 6a drives on sliding hub 4a and the sliding hub 4a rotates together.When need are used to tween drive shaft power to drive additional equipment, start gearshift cylinder assembly 10a; rocking arm 11a promotes shift fork 9a; make sliding hub 4a to driving gear 6a move and with driving gear 6a on the engagement of part tooth; driving wheel 6a gives driven shaft 3a by sliding hub 4a, driving gear 6a and driven gear 7a with transmission of power; drive additional equipment by the output flange 8a on the driven shaft 3a, rotates as driving oil pump.
Mainly there is following deficiency in the power takeoff of said structure: it is external that one, gearshift cylinder assembly and rocking arm are arranged at auxiliary-drive casing, and it is external to form cylinder, and integral structure is bigger; Two, engagement of sliding hub and driving gear part tooth or disengaging, main gearshift cylinder assembly, rocking arm, shift fork and the sliding hub of relying on shifted gears, and it is not steady to shift gears; Three, complex structure, the manufacturing cost height.
The utility model content
At the prior art above shortcomings, the utility model provides a kind of cylinder built-in, and gearshift and power transmission are more steady, simple in structure, the vehicle power power takeoff assembly that cost is lower.
The vehicle power power takeoff assembly that the utility model provides, comprise the power takeoff housing, be set in parallel in imput shaft in the power takeoff housing and driven shaft, by spline package at the shift sleeve on the imput shaft and driving gear, driven gear and output flange, power input shaft, cylinder block, piston, piston rod and the spring of fixed cover on driven shaft; Described driving gear and the engagement of the driven tooth gear teeth; One end of described imput shaft is installed in by needle bearing in the axial hole of power input shaft, and the other end of imput shaft is axially arranged with the piston rod sliding eye; Described cylinder block is installed on the power takeoff housing and close piston rod sliding eye one side; Described piston is positioned at cylinder block, and is sealed and matched with casing wall; One end and the piston axially-fixed and radial of described piston rod are rotatably connected, the other end penetrate in the piston rod sliding eye and with its bearing fit, and penetrating on the cooresponding imput shaft in end and have the stroke groove, captives joint with shift sleeve by straight pin in the insertion end of piston rod; One end of described spring is pressed on the imput shaft, and the other end is pressed in the cooperative end part of piston rod and piston.
Further, described piston rod cooperates by thrust baring and piston axially-fixed and radial are rotatable.
Compared with prior art, vehicle power power takeoff assembly of the present utility model has following advantage:
1, the utility model is shifted gears by piston, piston rod and spring, and by cylinder block piston, piston rod and spring is arranged in the power takeoff housing, and entire cylinder is built-in, compact conformation, and volume is less.
2, in cylinder block, feed pressure gas, utilize piston and piston rod promote shift sleeve to power input shaft move and with power input shaft on the tooth engagement, realize engage a gear; During off-gear, lay down the air pressure in the cylinder block, under the restoring force effect of spring, realize that shift sleeve breaks away from power input shaft, whole gearshift and power transmission are steady.
3, it is built-in that vehicle power power takeoff assembly of the present utility model adopts entire cylinder, compares with entire cylinder is external, and structure is simpler, and cost of manufacture is low.
Description of drawings
Fig. 1 is the front view of power takeoff in the prior art;
Fig. 2 is along the cross section view of A-A direction among Fig. 1;
Fig. 3 is the front view of the utility model vehicle power power takeoff assembly;
Fig. 4 is along the cross section view of B-B direction among Fig. 3.
In the accompanying drawing: 1a-power takeoff housing; 2a-imput shaft; 3a-driven shaft; 4a-sliding hub; 5a-needle bearing; 6a-driving gear; 7a-driven gear; 8a-output flange; 9a-shift fork; 10a-gearshift cylinder assembly; 11a-rocking arm; 12a-input shaft assembly; 13a-connection tooth cover; 1-power takeoff housing; 2-imput shaft; 3-driven shaft; 4-shift sleeve; 5-driving gear; 6-driven gear; 7-output flange; 8-power input shaft; 9-cylinder block; 10-piston; 11-piston rod; 12-spring; 13-needle bearing; 14-straight pin; 15-thrust baring; 16-adapter sleeve.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done to describe in further detail.
Fig. 3 is the front view of the utility model vehicle power power takeoff assembly, and Fig. 4 is along the cross section view of B-B direction, as shown in the figure among Fig. 3.Vehicle power power takeoff assembly comprise power takeoff housing 1, by bearing be set in parallel in imput shaft 2 in the power takeoff housing 1 and driven shaft 3, by spline package at the shift sleeve on the imput shaft 24 and driving gear 5, driven gear 6 and output flange 7, power input shaft 8, cylinder block 9, piston 10, piston rod 11 and the spring 12 of fixed cover on driven shaft 3.Described driving gear 5 and the engagement of driven gear 6 teeth.One end of described imput shaft 2 is installed in by needle bearing 13 in the axial hole of power input shaft 8, and imput shaft 2 forms the axially-fixed and radial normal-running fit with power input shaft 8, and the other end of imput shaft 2 is axially arranged with the piston rod sliding eye.Described cylinder block 9 is installed on the power takeoff housing 1 and close piston rod sliding eye one side; Described piston 10 is positioned at cylinder block 9, and is sealed and matched with casing wall; One end of described piston rod 11 cooperates by thrust baring 15 and piston 10 axially-fixed and radials are rotatable, the other end penetrate in the piston rod sliding eye and with its bearing fit, and penetrating on the cooresponding imput shaft 2 in end and have the stroke groove, captives joint with shift sleeve 4 by straight pin 14 in the insertion end of piston rod 11; One end of described spring 12 is pressed on the imput shaft 2, and the other end is pressed in the cooperative end part of piston rod 11 and piston 10.
During use, power input shaft 8 is connected with the change speed gear box tween drive shaft by connecting tooth cover 16, the change speed gear box tween drive shaft rotates and will drive power input shaft 8 rotations, and during tooth on the shift sleeve 4 disengaging power input shafts 8, power input shaft 8 is in idling conditions.Need output power to additional equipment, for example during oil pump, in cylinder block 9, feed pressurized air, pressurized air promotes piston 10, piston 10 will promote piston rod 11 and move forward in the piston rod sliding eye, thereby driving straight pin 14 and shift sleeve 4 moves to power input shaft 8 together, tooth engagement on shift sleeve 4 and the power input shaft 8, when power input shaft 8 rotates, will drive imput shaft 2 and rotate, imput shaft 2 drives driving gear 5 and rotates, rotate with driving gear 5 ingear driven gears 6, driven gear 6 drives driven shaft 3 and rotates, and finally outputs power to additional equipment by output flange 7, finishes the power taking transmission.When need not to carry out power taking, the air pressure in the cylinder block 9 of dismantling, piston rod 11 moves under the effect of spring 12 restoring forces backward, and piston rod 11 drives shift sleeve 4 and moves backward, and the tooth that shift sleeve 4 breaks away from the power input shaft 8 is realized out of supply.
The utility model is shifted gears by piston 10, piston rod 11 and spring 12, and by cylinder block 9 piston 10, piston rod 11 and spring 12 is arranged in the power takeoff housing 1, and entire cylinder is built-in, compact conformation, and volume is less; Compare with entire cylinder is external, structure is simpler, and cost of manufacture is low.Feed pressure gas in cylinder block, utilize piston 10 and piston rod 11 to promote shift sleeve 4 and move to power input shaft 8, the tooth engagement on shift sleeve 4 and the power input shaft 8 realizes engage a gear; During off-gear, lay down the air pressure in the cylinder block 9, under the restoring force effect of spring 12, realize that shift sleeve 4 breaks away from power input shaft 8, gearshift and power transmission are steady.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (2)
1. vehicle power power takeoff assembly, comprise power takeoff housing (1), be set in parallel in imput shaft (2) in the power takeoff housing (1) and driven shaft (3), by spline package at the shift sleeve (4) on the imput shaft (2) and driving gear (5), driven gear (6) and output flange (7) and the power input shaft (8) of fixed cover on driven shaft (3), described driving gear (5) and driven gear (6) tooth mesh; It is characterized in that: also comprise cylinder block (9), piston (10), piston rod (11) and spring (12); One end of described imput shaft (2) is installed in the axial hole of power input shaft (8) by needle bearing (13), and the other end of imput shaft (2) is axially arranged with the piston rod sliding eye; Described cylinder block (9) is installed in last and close piston rod sliding eye one side of power takeoff housing (1); Described piston (10) is positioned at cylinder block (9), and is sealed and matched with casing wall; One end of described piston rod (11) and piston (10) axially-fixed and radial are rotatably connected, the other end penetrate in the piston rod sliding eye and with its bearing fit, and penetrating on the cooresponding imput shaft in end (2) and have the stroke groove, captives joint with shift sleeve (4) by straight pin (14) in the insertion end of piston rod (11); One end of described spring (12) is pressed on the imput shaft (2), and the other end is pressed in the cooperative end part of piston rod (11) and piston (10).
2. vehicle power power takeoff assembly according to claim 1 is characterized in that: described piston rod (11) cooperates by thrust baring (15) and piston (10) axially-fixed and radial are rotatable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205810017U CN201833878U (en) | 2010-10-28 | 2010-10-28 | Dynamic power takeoff assembly for vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205810017U CN201833878U (en) | 2010-10-28 | 2010-10-28 | Dynamic power takeoff assembly for vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201833878U true CN201833878U (en) | 2011-05-18 |
Family
ID=44003976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205810017U Expired - Fee Related CN201833878U (en) | 2010-10-28 | 2010-10-28 | Dynamic power takeoff assembly for vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201833878U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286631A (en) * | 2016-10-18 | 2017-01-04 | 龙岩畅丰专用汽车有限公司 | The total power force aid clutch of special-purpose vehicle electromotor |
| CN108916259A (en) * | 2018-07-10 | 2018-11-30 | 西安交通大学 | A kind of clutch of adjustable speed |
-
2010
- 2010-10-28 CN CN2010205810017U patent/CN201833878U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286631A (en) * | 2016-10-18 | 2017-01-04 | 龙岩畅丰专用汽车有限公司 | The total power force aid clutch of special-purpose vehicle electromotor |
| CN108916259A (en) * | 2018-07-10 | 2018-11-30 | 西安交通大学 | A kind of clutch of adjustable speed |
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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: 20110518 Termination date: 20151028 |
|
| EXPY | Termination of patent right or utility model |