CN201833879U - Vehicle power takeoff device - Google Patents

Vehicle power takeoff device Download PDF

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Publication number
CN201833879U
CN201833879U CN2010205809804U CN201020580980U CN201833879U CN 201833879 U CN201833879 U CN 201833879U CN 2010205809804 U CN2010205809804 U CN 2010205809804U CN 201020580980 U CN201020580980 U CN 201020580980U CN 201833879 U CN201833879 U CN 201833879U
Authority
CN
China
Prior art keywords
gear
power takeoff
piston
cylinder
power
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
Application number
CN2010205809804U
Other languages
Chinese (zh)
Inventor
王德贵
王旭
陈万
陈立坚
王志华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING EZF TRANSMISSION EQUIPMENT Co Ltd
Original Assignee
CHONGQING EZF TRANSMISSION EQUIPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHONGQING EZF TRANSMISSION EQUIPMENT Co Ltd filed Critical CHONGQING EZF TRANSMISSION EQUIPMENT Co Ltd
Priority to CN2010205809804U priority Critical patent/CN201833879U/en
Application granted granted Critical
Publication of CN201833879U publication Critical patent/CN201833879U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a vehicle power takeoff device which comprises a power takeoff shell, a gear seat, a driven shaft, a drive gear, a jointing sleeve, a cylinder body, a piston, a spring, an output shaft coupling gear, an output flange and a shifting fork assembly which drives the jointing sleeve to put into a gear or get out of the gear, wherein the drive gear is sheathed on the gear seat through a needle bearing, is fixed with the gear seat in the axial direction and is rotatably matched with the gear seat in the radial direction; the jointing sleeve is sheathed on the gear seat through a spline, is fixed with the gear seat in the radial direction and is slideably matched with the gear seat in the axial direction; the drive gear is engaged with the output shaft coupling gear; and the spring is arranged between one end of the piston and the cylinder body, and the other end of the piston is a compressed air inlet end and is connected with the shifting fork assembly. Since the piston, the shifting fork assembly and the spring are used for realizing gear shift and are arranged in the power takeoff shell through the cylinder body and a cylinder is entirely arranged inside, the structure is compact, the volume is small, and the gear shift and the power transmission are stable; and compared with a device with a cylinder which is entirely arranged outside, the structure is simpler and the manufacturing cost is lower.

Description

Vehicle power power takeoff device
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 device.
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 change speed gear box 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, comprise the power takeoff housing, be set in parallel in imput shaft and driven shaft in the power takeoff housing, by the sliding hub of spline package on imput shaft, be sleeved on driving gear on the imput shaft by needle bearing, output shaft connection tooth and the output flange of fixed cover on driven shaft, the shift fork of captiveing joint with sliding hub, the rocking arm that gearshift cylinder assembly and gearshift cylinder piston rod drive, described imput shaft is by the input shaft assembly and be connected tooth and overlap and to be connected with the change speed gear box tween drive shaft, the engagement of driving gear and output shaft connection tooth tooth, described sliding hub by spline and imput shaft radially anchor shaft to slidably cooperating.The change speed gear box tween drive shaft is given driving wheel with transmission of power, and the shift fork that driving wheel drives on sliding hub and the sliding hub rotates together.When need are used to tween drive shaft power to drive additional equipment, start the gearshift cylinder assembly; rocking arm promotes shift fork; make sliding hub to driving gear move and with driving gear on the engagement of part tooth; driving wheel is given driven shaft by sliding hub, driving gear and output shaft connection tooth with transmission of power; drive additional equipment by the output flange on the driven shaft, 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 device that cost is lower.
The vehicle power power takeoff device that the utility model provides, the toothholder and driven shaft, driving gear, sliding hub, the output shaft of fixed cover on driven shaft that comprise the power takeoff housing, are arranged in the power takeoff housing join tooth and output flange, cylinder block, piston, spring and drive sliding hub engage a gear or shifting fork assembly out of supply; Driving gear be sleeved on the toothholder by needle bearing and with its axially-fixed and radial normal-running fit; Described sliding hub by spline housing on toothholder and with its radially anchor shaft to slidably cooperating; Described driving gear and the engagement of output shaft connection tooth tooth; Described piston is positioned at cylinder block, and is sealed and matched with casing wall; Between one end of described piston and the cylinder block spring is set, the other end of piston is the pressurized air inlet end, and is connected with shifting fork assembly.
Further, be fixed with the ear seat on the described power takeoff housing, described ear seat is provided with pin-and-hole, and described ear seat is connected with the casing of change speed gear box by pivot pin.
Compared with prior art, vehicle power power takeoff device of the present utility model has following advantage:
1, the utility model is shifted gears by piston, shifting fork assembly and spring, and by cylinder block piston, shifting fork assembly 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 shifting fork assembly promotion sliding hub to move and combine tooth and mesh, realize engage a gear with driving gear to driving gear; During off-gear, lay down the air pressure in the cylinder block, under the restoring force effect of spring, realize that sliding hub breaks away from driving gear in conjunction with tooth, gearshift and power transmission are steady.
3, it is built-in that vehicle power power takeoff device 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 the utility model vehicle power power takeoff device;
Fig. 2 is along the cross section view of A-A direction among Fig. 1.
In the accompanying drawing: 1-power takeoff housing; 2-toothholder; 3-driven shaft; 4-driving gear; 5-sliding hub; 6-output shaft connection tooth; 7-output flange; 8-needle bearing; 9-cylinder block; 10-piston; 11-spring; 12-shifting fork assembly; 13-ear seat; 14-pin-and-hole.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is done to describe in further detail.
Fig. 1 is the front view of the utility model vehicle power power takeoff device, and Fig. 2 is along the cross section view of A-A direction, as shown in the figure among Fig. 1.Vehicle power power takeoff device comprises power takeoff housing 1, be arranged on toothholder 2 in the power takeoff housing 1 and driven shaft 3, driving gear 4, sliding hub 5, fixed cover on driven shaft 3 output shaft connection tooth 6 and output flange 7, cylinder block 9, piston 10, spring 11 and drive sliding hub 5 engage a gears or shifting fork assembly 12 out of supply.Driving gear 4 be sleeved on the toothholder 2 by needle bearing 8 and with toothholder 2 axially-fixed and radial normal-running fiies.Sliding hub 5 by spline housing on toothholder 2 and with toothholder 2 radially anchor shaft to slidably cooperating.Driving gear 4 and the engagement of output shaft connection tooth 6 teeth.Piston 10 is positioned at cylinder block 9, and is sealed and matched with casing wall; Between one end of piston 10 and the cylinder block 9 spring 12 is set, the other end of piston 10 is the pressurized air inlet end, and is connected with shifting fork assembly 12.
Be fixed with ear seat 13 on the power takeoff housing 1, ear seat 13 is provided with pin-and-hole 14, and ear seat 13 is connected with the casing of change speed gear box by pivot pin.Ear seat 13 plays the casing bonded assembly effect of strengthening power takeoff housing 1 and change speed gear box, and the stability of power takeoff housing 1 is strengthened, and avoids each parts in the power takeoff housing 1 to damage in dynamic vibration.
During use, on the change speed gear box tween drive shaft, the change speed gear box tween drive shaft rotates and will drive toothholder 2 rotations with toothholder 2 fixed covers, and when sliding hub 5 broke away from driving gears 4, toothholder 2 and sliding hub 5 were in idling conditions.Need output power to additional equipment, for example during oil pump, in cylinder block 9, feed pressurized air, pressurized air moves to right from the left side promotion piston 10 of piston 10, piston 10 compression springs 11, driving shifting fork assembly 12 simultaneously moves to right, the shift fork of shifting fork assembly 12 drive sliding hub 5 rely on driving gear 4 and with the tooth engagement of driving gear 4, when toothholder 2 rotates, will drive sliding hub 5 and rotate, give driving gear 4 with transmission of power by sliding hub 5, driving gear 4 drives output shaft connection tooth 6 again and rotates, output shaft connection tooth 6 drives driven shaft 3 and rotates, and finally outputs power to additional equipment by output flange 7, finishes this power taking and transmits.When need not to carry out power taking, the air pressure in the cylinder block 9 of dismantling, shifting fork assembly 12 is moved to the left under the restoring force effect of spring 11, and the shift fork of shifting fork assembly 12 drives sliding hub 5 and is moved to the left, and sliding hub 5 breaks away from driving gear 3, realizes out of supply.
The utility model is shifted gears by piston 10, shifting fork assembly 12 and spring 11, and by cylinder block 9 piston 10, shifting fork assembly 12 and spring 11 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.In cylinder block, feed pressure gas, utilize the shift fork of shifting fork assembly 12 promote sliding hub 5 to driving gear 4 move and with driving gear 4 on the tooth engagement, realize engage a gear; During gearshift, lay down the air pressure in the cylinder block 9, under the restoring force effect of spring 11, realize that sliding hub 5 breaks away from driving gear, whole 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. a vehicle power power takeoff device comprises power takeoff housing (1), is arranged on toothholder (2) and driven shaft (3), driving gear (4), sliding hub (5) and fixed cover output shaft connection tooth (6) and the output flange (7) on driven shaft (3) in the power takeoff housing (1); Driving gear (4) be sleeved on by needle bearing (8) that toothholder (2) is gone up and with its axially-fixed and radial normal-running fit; Described sliding hub (5) by spline housing toothholder (2) go up and with its radially anchor shaft to slidably cooperating; Described driving gear (4) and the engagement of output shaft connection tooth (6) tooth; It is characterized in that: also comprise cylinder block (9), piston (10), spring (11) and drive sliding hub (5) engage a gear or shifting fork assembly (12) out of supply; Described piston (10) is positioned at cylinder block (9), and is sealed and matched with casing wall; Between one end of described piston (10) and the cylinder block (9) spring (12) is set, the other end of piston (10) is the pressurized air inlet end, and is connected with shifting fork assembly (12).
2. vehicle power power takeoff device according to claim 1, it is characterized in that: be fixed with ear seat (13) on the described power takeoff housing (1), described ear seat (13) is provided with pin-and-hole (14), and described ear seat (13) is connected with the casing of change speed gear box by pivot pin.
CN2010205809804U 2010-10-28 2010-10-28 Vehicle power takeoff device Expired - Fee Related CN201833879U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205809804U CN201833879U (en) 2010-10-28 2010-10-28 Vehicle power takeoff device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205809804U CN201833879U (en) 2010-10-28 2010-10-28 Vehicle power takeoff device

Publications (1)

Publication Number Publication Date
CN201833879U true CN201833879U (en) 2011-05-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010205809804U Expired - Fee Related CN201833879U (en) 2010-10-28 2010-10-28 Vehicle power takeoff device

Country Status (1)

Country Link
CN (1) CN201833879U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102837607A (en) * 2012-10-10 2012-12-26 宁波市鄞州钜科传动部件有限公司 Force-taking device for automobile
CN103072480A (en) * 2013-01-21 2013-05-01 四川重汽王牌兴城液压件有限公司 Pneumatic power takeoff device used for cargo carrying dump truck
CN104191970A (en) * 2014-09-11 2014-12-10 陕西法士特汽车传动集团有限责任公司 Power takeoff
CN104265839A (en) * 2014-09-19 2015-01-07 安徽江淮汽车股份有限公司 Power takeoff and power takeoff assembly
CN106090062A (en) * 2016-08-22 2016-11-09 浙江帕瓦传动设备有限公司 Novel force device
CN110966401A (en) * 2019-08-31 2020-04-07 重庆铁马工业集团有限公司 Rear power takeoff of symmetrically arranged gear box

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102837607A (en) * 2012-10-10 2012-12-26 宁波市鄞州钜科传动部件有限公司 Force-taking device for automobile
CN103072480A (en) * 2013-01-21 2013-05-01 四川重汽王牌兴城液压件有限公司 Pneumatic power takeoff device used for cargo carrying dump truck
CN104191970A (en) * 2014-09-11 2014-12-10 陕西法士特汽车传动集团有限责任公司 Power takeoff
CN104265839A (en) * 2014-09-19 2015-01-07 安徽江淮汽车股份有限公司 Power takeoff and power takeoff assembly
CN106090062A (en) * 2016-08-22 2016-11-09 浙江帕瓦传动设备有限公司 Novel force device
CN110966401A (en) * 2019-08-31 2020-04-07 重庆铁马工业集团有限公司 Rear power takeoff of symmetrically arranged gear box

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C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110518

Termination date: 20151028