CN201078439Y - Force adopting equipment with adjustable speed ratio - Google Patents

Force adopting equipment with adjustable speed ratio Download PDF

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Publication number
CN201078439Y
CN201078439Y CNU2007201137721U CN200720113772U CN201078439Y CN 201078439 Y CN201078439 Y CN 201078439Y CN U2007201137721 U CNU2007201137721 U CN U2007201137721U CN 200720113772 U CN200720113772 U CN 200720113772U CN 201078439 Y CN201078439 Y CN 201078439Y
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CN
China
Prior art keywords
gear
output
power take
shaft
input
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
CNU2007201137721U
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Chinese (zh)
Inventor
王巧扣
吕海生
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王巧扣
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Filing date
Publication date
Application filed by 王巧扣 filed Critical 王巧扣
Priority to CNU2007201137721U priority Critical patent/CN201078439Y/en
Application granted granted Critical
Publication of CN201078439Y publication Critical patent/CN201078439Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a power take off with adjustable speed ratio, aiming to provide a power take off with good reliability, simple structure and adjustable input speed ratio. The structure mainly comprises an input shaft, a sliding sleeve, a shifting fork, a shifting fork shaft, an input gear, a mid gear, an output gear, an output shaft, a power take off casing and a bearing, wherein, the input and mid gears are arranged on the input shaft and are connected with the power take off casing. The utility model is characterized in that: the input gear is connected with the mid gear through a key. Various using requirements, can be met by the power take off manufactured in conformity with the proposal as per the requirements of different load speed, with which the power take off are connected, just through switching the mid gear and the output gear, so that the output power is brought into efficient play. For most of the power take offs with different speed ratio, the difference only exists in the mid gear and the output gear, so that the specification and variety of the manufacturing enterprises can be reduced and the emergent demand of the users can be favored.

Description

A kind of power take-off of variable-speed ratio
Technical field
The utility model relates to a kind of mechanical device that obtains power and output from automobile gearbox, more specifically to a kind of power take-off of variable-speed ratio.
Background technique
Power take-off (PTO) is a cutting out partial power from automobile gearbox, is used for the speed change gear of different mechanical loads such as driving gear pump, water pump, air compressor, vacuum pump.It is repacking special use or the requisite critical component of special car.At present, most of power take-off has a duplicate gear of making one, a gear in the duplicate gear, promptly import the reverse gear engagement power taking of fourth gear on gear and the automobile gearbox jack shaft or gearbox, another gear in the duplicate gear, output gear engagement realizes speed change in intermediate gear and the power take-off, and output gear links to each other with output shaft, and formation is a kind of gear speedup case of speed ratio or the output unit of gear reduction box only.After linking, output shaft and load reach the purpose of the output and the transmission of power.And the load request rotating speed difference that power take-off connected is very big, for example: it is 1500~2000r/min that low pressure gear pump requires rotating speed, it is 800~1000r/min that high-pressure gear pump requires rotating speed, air compressor requires rotating speed 800~1000r/min, water pump requires rotating speed 1300~1500r/min, vacuum pump requires 400~500r/min, so the power take-off of single speed ratio can not adapt to the speed change request of different mechanical loads.
Summary of the invention
The purpose of this utility model provides the power take-off of a kind of good reliability, simple in structure, output speed ratio adjustable a kind of variable-speed ratio.
In order to overcome above-mentioned defective, the technological scheme that is adopted is: it comprises input shaft, sliding sleeve, shift fork, declutch shift shaft, input gear, intermediate gear, output gear, output shaft, power take-off housing, bearing, the input gear is housed on the input shaft is connected with intermediate gear and with the power take-off housing; Intermediate gear often meshes with the output gear that band combines tooth; The output gear bye is enclosed within on the output shaft, output shaft by Bearing Installation on the power take-off housing, the sliding sleeve of the wounded in the battle keyhole that matches with the output shaft spline also is housed on the output shaft, be shaped on fork slot on the sliding sleeve, shift fork is stuck in the fork slot, and shift fork is fixed on shift fork in the power take-off housing by declutch shift shaft, drives to slide on the output shaft to move axially when mobile shift fork, sliding sleeve and output gear in conjunction with the tooth engagement or separate, play clutch; Sliding sleeve not only with output gear combine the tooth engagement but also during with the output shaft spline engagement, output gear is passed to sliding sleeve with power, drives the output shaft rotation by sliding sleeve again, realizes power output; When the separating in conjunction with tooth of sliding sleeve and output gear, output gear dallies on output shaft, and output shaft is motionless, and unpowered output is characterized in that described input gear and intermediate gear link together by key.
The power take-off of a kind of variable-speed ratio of making according to such scheme can satisfy different usage requirements by only changing intermediate gear with output gear according to the load speed requirement that power take-off connected, and makes that the power of output is effectively brought into play.Power take-off for most of different speed ratios is that intermediate gear is different with output gear, can reduce the specification and the kind of manufacturing enterprise, also helps user's emergency requirement.
Description of drawings
Fig. 1 is a kind of power take-off plan view of variable-speed ratio;
Fig. 2 is the A-A sectional stretch-out view of Fig. 1.
Wherein: 1, input shaft; 2 sliding sleeves; 3, shift fork; 4, declutch shift shaft; 5, input gear; 6, intermediate gear, 7, output gear; 8, output shaft; 9, power take-off housing; 10, spline; 11, shaft block ring; 12, tapered roller bearing; 13, in conjunction with tooth; 14, sliding bearing; 15, tapered roller bearing; 16, output shaft spline; 17, fork slot; 18, end cap; 19, screw; 20, compression retracteding position spring; 21, flat key; 22, power connects dish; 23, attachment hole.
Embodiment
The utility model will be further described below in conjunction with the drawings and specific embodiments.
Find out from Fig. 1, Fig. 2.A kind of power take-off of variable-speed ratio mainly comprises input shaft 1, sliding sleeve 2, shift fork 3, declutch shift shaft 4, input gear 5, intermediate gear 6, output gear 7, output shaft 8, power take-off housing 9 etc., input gear 5 passes through spline 10 with intermediate gear 6, intermediate gear 6 is socketed on the input gear 5, in input shaft block ring 11 being installed on the gear 5 is axially fixed in intermediate gear 6 on the input gear 5 and links together, two tapered roller bearings 12 are equipped with at two ends in input gear 5 holes, input gear 5 is installed on the input shaft 1 together with intermediate gear, and is connected with power take-off housing 9; Intermediate gear 6 often meshes with the output gear 7 that band combines tooth 13, output gear 7 skies are enclosed within on the output shaft 8, sliding bearing 14 is housed therebetween, output shaft 8 is by 15 supportings of two tapered roller bearings, be installed on the power take-off housing 9, the sliding sleeve 2 of the wounded in the battle keyhole that matches with output shaft spline 16 also is housed on the output shaft 8, be shaped on fork slot 17 on the sliding sleeve 2, shift fork 3 is stuck in the fork slot 17, shift fork 3 is fixed on shift fork 3 in the power take-off housing 9 by declutch shift shaft 4, at the end face of declutch shift shaft 4 end cap 18 is housed, and is shaped on screw 19 on end cap 18, on can be connected with pressurized air or hydraulic oil pipe, be used for promoting declutch shift shaft 4 and shift fork 3; At it compression retracteding position spring 20 is housed oppositely, under the situation of non-compressed air or hydraulic oil input, makes shift fork 3 be pressed in position shown in Figure 2 by compression retracteding position spring 20.When screw 19 input pressurized air or hydraulic oil, mobile declutch shift shaft 4 and shift fork 3, driving sliding sleeve 2 axially moves to right on output shaft 8, sliding sleeve 2 not only with output gear 7 combine tooth 13 engagements but also during with 16 engagements of output shaft spline, make output gear 7 and output shaft 8 interlocks, output gear 7 is given sliding sleeve 2 with transmission of power, drives output shaft 8 rotations by sliding sleeve 2 again, realizes power output; When non-compressed air or hydraulic oil input, because the promotion of compression retracteding position spring 20, sliding sleeve 2 separates in conjunction with tooth 13 with output gear 7, and output gear 7 dallies on output shaft 8, and output shaft 8 is motionless, and unpowered output realizes the effect of clutch with this.For ease of power output with is connected, on output shaft 8, be connected with power and connect and coil 22 by flat key 21.
When power take-off was installed, input gear 5 was meshed with the gear of automobile gearbox, and power take-off housing 9 fixes by the power taking window of one group of attachment hole 23 with automobile gearbox.
According to said structure and principle, for being connected of input gear 5 and intermediate gear 6, can also make input gear 5 and be socketed on the intermediate gear 6, will import gear 5 and be axially fixed in and also play same effect on the intermediate gear 6 in that shaft block ring 11 is installed on the intermediate gear 6.Input gear 5 can adopt the mode of flat key or wedge key circumferentially to locate with spline 10 connections for the less power take-off of transmitting torque with being connected except above-mentioned of intermediate gear 6, does not describe one by one here.

Claims (6)

1. the power take-off of a variable-speed ratio, it comprises input shaft, sliding sleeve, shift fork, declutch shift shaft, input gear, intermediate gear, output gear, output shaft, power take-off housing, bearing, the input gear is housed on the input shaft is connected with intermediate gear and with the power take-off housing; Intermediate gear often meshes with the output gear that band combines tooth; The output gear bye is enclosed within on the output shaft, output shaft by Bearing Installation on the power take-off housing, the sliding sleeve of the wounded in the battle keyhole that matches with the output shaft spline also is housed on the output shaft, be shaped on fork slot on the sliding sleeve, shift fork is stuck in the fork slot, and shift fork is fixed on shift fork in the power take-off housing by declutch shift shaft, drives to slide on the output shaft to move axially when mobile shift fork, sliding sleeve and output gear in conjunction with the tooth engagement or separate, play clutch; Sliding sleeve not only with output gear combine the tooth engagement but also during with the output shaft spline engagement, output gear is passed to sliding sleeve with power, drives the output shaft rotation by sliding sleeve again, realizes power output; When the separating in conjunction with tooth of sliding sleeve and output gear, output gear dallies on output shaft, and output shaft is motionless, and unpowered output is characterized in that described input gear and intermediate gear link together by key.
2. the power take-off of a kind of variable-speed ratio according to claim 1 is characterized in that described key is spline or flat key.
3. the power take-off of a kind of variable-speed ratio according to claim 1 is characterized in that described intermediate gear is socketed on the input gear.
4. the power take-off of a kind of variable-speed ratio according to claim 3 is characterized in that being equipped with on the described input gear shaft block ring intermediate gear axially is fixed on the input gear.
5. the power take-off of a kind of variable-speed ratio according to claim 1 is characterized in that described input geared sleeve is connected on the intermediate gear.
6. the power take-off of a kind of variable-speed ratio according to claim 5 is characterized in that being equipped with on the described intermediate gear shaft block ring and will import gear and be axially fixed on the intermediate gear.
CNU2007201137721U 2007-08-27 2007-08-27 Force adopting equipment with adjustable speed ratio Expired - Fee Related CN201078439Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201137721U CN201078439Y (en) 2007-08-27 2007-08-27 Force adopting equipment with adjustable speed ratio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201137721U CN201078439Y (en) 2007-08-27 2007-08-27 Force adopting equipment with adjustable speed ratio

Publications (1)

Publication Number Publication Date
CN201078439Y true CN201078439Y (en) 2008-06-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007201137721U Expired - Fee Related CN201078439Y (en) 2007-08-27 2007-08-27 Force adopting equipment with adjustable speed ratio

Country Status (1)

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CN (1) CN201078439Y (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101913324A (en) * 2010-08-16 2010-12-15 无锡英特帕普威孚液压有限责任公司 Power takeoff vacuum control air bag
CN103453079A (en) * 2013-09-09 2013-12-18 山东临沂临工汽车桥箱有限公司 Gasoline mini-truck speed changer
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
CN105156601A (en) * 2015-08-28 2015-12-16 云梦县取力器厂 Multifunctional five-head multi-output rear transfer case
CN105156602A (en) * 2015-08-28 2015-12-16 云梦县取力器厂 Multi-functional postpositional transfer case with three output shafts
CN112112961A (en) * 2020-10-21 2020-12-22 中国重汽集团大同齿轮有限公司 Power takeoff for commercial vehicle transmission

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101913324A (en) * 2010-08-16 2010-12-15 无锡英特帕普威孚液压有限责任公司 Power takeoff vacuum control air bag
CN101913324B (en) * 2010-08-16 2012-12-12 无锡英特帕普威孚液压有限责任公司 Power takeoff vacuum control air bag
CN103453079A (en) * 2013-09-09 2013-12-18 山东临沂临工汽车桥箱有限公司 Gasoline mini-truck speed changer
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
CN105156601A (en) * 2015-08-28 2015-12-16 云梦县取力器厂 Multifunctional five-head multi-output rear transfer case
CN105156602A (en) * 2015-08-28 2015-12-16 云梦县取力器厂 Multi-functional postpositional transfer case with three output shafts
CN112112961A (en) * 2020-10-21 2020-12-22 中国重汽集团大同齿轮有限公司 Power takeoff for commercial vehicle transmission

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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: 20080625

Termination date: 20120827