CN202971861U - Post-positioned power take-off (PTO) with built-in cylinder - Google Patents
Post-positioned power take-off (PTO) with built-in cylinder Download PDFInfo
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- CN202971861U CN202971861U CN 201220648666 CN201220648666U CN202971861U CN 202971861 U CN202971861 U CN 202971861U CN 201220648666 CN201220648666 CN 201220648666 CN 201220648666 U CN201220648666 U CN 201220648666U CN 202971861 U CN202971861 U CN 202971861U
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Abstract
The utility model discloses a post-positioned power take-off (PTO) with a built-in cylinder. The post-positioned PTO with the built-in cylinder comprises a shell body, a driving shaft and a driven shaft are arranged in the shell body and supported on the shell body, driving gears are sleeved on the driving shaft, driven gears are connected on the driven shaft through keys, the driving gears are meshed with the driven gears, one end of the driven shaft penetrates out of the shell body, a joint sleeve is arranged on the driving shaft and located on the lateral side of a joint tooth of the driving gears, a shifting fork is sleeved in a joint sleeve groove and can shift the joint sleeve along the left and right directions, the other end of the shifting fork is perpendicularly connected with a fixed rod which is parallel with the driving shaft, one end of the fixed rod is in sliding fit with a blind hole formed in the shell body, and the other end of the fixed rod is fixedly connected with a piston of the cylinder which is fixedly connected in an installation hole formed in the shell body. The built-in cylinder structure is adopted for the PTO, the shifting fork and the cylinder are located in the shell body, rocker arms are removed, and the problems that an oil seal leaks oil and the rocker arms are not easy to adjust are solved.
Description
Technical field
The utility model relates to a kind of power take-off, particularly relates to the built-in rearmounted power take-off of a kind of cylinder.
Background technique
Power take-off claims again power take off, is one group of speed change gear, is generally formed by gear-box, Combined clutch, and power take-off is connected power taking with gearbox, outputting power after variable gearing.Be the PR70 power take-off referring to Fig. 3, Fig. 4, the PR70 power take-off is one of clutch power take-off series, is mainly used in fire-protection equipment, and gas compressor, capstan winch, automobile crane such as hang at the work mechanism.The PR70 power take-off is arranged on the power taking from the jack shaft rear end of speed changer of transmission countershaft rear end, as long as the clutch combination, can power output, and power take-off adopts the gearshift of gas control clutch collar.PR70 power take-off in the market is because the reasons in structure of external cylinder 18 has following shortcoming: 1.PR70 power take-off rocking arm 19 in assembling is difficult for adjusting, and in use, the off-gear phenomenon is arranged, the difficulty of putting into gear; 2. there is the phenomenon of leakage of oil at oil sealing 20 places of declutch shift shaft 21; 3. cotter pin 22 has obscission.These a few major break down phenomenons are perplexing manufacturing industry for a long time.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, provide a kind of cylinder built-in rearmounted power take-off, this power take-off adopts built-in air cylinder structure, and selector fork and cylinder are positioned at housing, cancel rocking arm, solved the problem that oil sealing leakage of oil and rocking arm are difficult for adjustment.
The purpose of this utility model is achieved in that
the rearmounted power take-off that a kind of cylinder is built-in, comprise housing, be arranged with a pair of driving shaft and driven shaft in described housing in parallel, described driving shaft and driven shaft respectively by bearings in housing, by bearing housing, a driving gear is arranged on driving shaft, on driven shaft, key connects a driven gear, driving gear and driven gear engagement, one end of driven shaft extends outward a side of housing, driving shaft is provided with a clutch collar, described clutch collar is positioned at the side of the soldered tooth of driving gear, can stir the jaw end empty set of selector fork of clutch collar in the groove of clutch collar in the left and right for one, the fork handle end of described selector fork is vertically connected at a fixing rod, described fixing rod is parallel with driving shaft, one end of fixing rod is snug fit in the blind hole that housing is provided with, the other end of fixing rod is fixedly connected with the piston of cylinder, the cylinder body Spielpassung of fixing rod and cylinder, described cylinder is fixedly connected on the mounting hole that housing is provided with.
Described cylinder is single-acting cylinder, is provided with return spring in cylinder.
Described cylinder is fixedly connected with housing by bolt, and seals by seal ring.
Described fixing rod is fixedly connected with by elastic cylindrical pin with selector fork.
An end opposite with the driven shaft bearing of trend of described driving shaft is fixedly connected with an end of input shaft, and the other end of this input shaft is provided with the connection teeth cover, and described input shaft props up by bearing and is held in housing.
The internal spline connecting sleeve flange plate of end spline joint that stretches out of described driven shaft, internal spline connecting sleeve flange plate is located by the end axle that stretches out of bolt, end cap and driven shaft.
Owing to having adopted such scheme, the utility model is the built-in structure of cylinder.The gear shifting structure of rearmounted power take-off mainly is made of selector fork, fixing rod and single-acting cylinder.The gear shifting structure of rearmounted power take-off all is built in the power take-off inner chamber, and the housing of single-acting cylinder is combined into one by bolt and power take-off housing, and seals with seal ring, guarantees the power take-off lubricant oil seepage that do not leak.Single-acting cylinder is simple in structure, guarantees that the Sealing sealing is reliable, does not reveal not gas blowby, and the mist of oil seepage that do not leak guarantees that gearshift function is reliable.One end of fixing rod is supported by blind hole in the power take-off housing, with to the fixing rod guiding, guarantees the fixing rod of built-in single-acting cylinder and the coaxality of piston, guarantees the built-in single-acting cylinder life-span.The fixing rod stroke is guaranteed by the piston structure of single-acting cylinder, can guarantee that in conjunction with the power take-off structure power take-off is put into gear, off-gear is reliable, and between the sidewall of the groove of selector fork and clutch collar, certain interval is arranged when guaranteeing power take-off work, mutually not by inordinate wear.The direct key of power take-off driving shaft connects transmission countershaft, is applicable to the speed changer with rear-mounted gear group is not equipped.
An end opposite with the driven shaft bearing of trend of driving shaft is provided with input shaft.Utilize the connection teeth cover to connect power take-off input shaft, transmission countershaft, power take-off input shaft and transmission countershaft zero-clearance are fitted, be applicable to the speed changer with rear-mounted gear group equipped.
The end spline joint that stretches out of described driven shaft has band internal spline connecting sleeve flange plate, and this structure can be connected by output flange power take-off with transmission shaft, then connects oil pump by transmission shaft and carry out power taking.
The rearmounted power take-off that cylinder is built-in is shifted gears light, flexible, puts into gear, off-gear can reliably put in place, and power taking is reliable.Can mate with 5S-111GP, S6-90 iso-variable velocity device.The power take-off output terminal adopts flange to connect or directly connect oil pump, and PR101 type power take-off also can be installed again in power take-off driving shaft rear end, realizes dual output.The utility model drives power taking by the way, and selector fork and cylinder are positioned at housing, have cancelled rocking arm, has solved the problem that the leakage of oil of declutch shift shaft oil sealing and rocking arm are difficult for adjustment.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is a kind of embodiment's of the present utility model structural representation;
Fig. 2 is the structural representation of cylinder in Fig. 1;
Fig. 3 is the structural representation of PR70 power take-off;
Fig. 4 is the schematic diagram of gear shifting structure in Fig. 3.
In accompanying drawing, 1 is housing, and 2 is driving shaft, and 3 is driven shaft, and 4 is bearing, 5 is driving gear, and 6 is driven gear, and 7 is clutch collar, and 8 is selector fork, 9 is fixing rod, and 10 is blind hole, and 11 is cylinder, and 11a is piston, 11b is return spring, and 12 is seal ring, and 13 is elastic cylindrical pin, and 14 is input shaft, 15 is the connection teeth cover, and 16 is internal spline connecting sleeve flange plate, and 17 is transmission countershaft, and 18 is external cylinder, 19 is rocking arm, and 20 is oil sealing, and 21 is declutch shift shaft, and 22 are cotter pin.
Embodiment
referring to Fig. 1, Fig. 2, a kind of embodiment for the built-in rearmounted power take-off of cylinder, this power take-off comprises housing 1, be arranged with a pair of driving shaft 2 and driven shaft 3 in described housing 1 in parallel, described driving shaft 2 and driven shaft 3 are supported in housing 1 by bearing 4 respectively, described bearing 4 is roller bearing, receive the power of motor by transmission countershaft 17 due to power take-off, load larger, therefore select roller bearing, the cylindrical roller of roller bearing and raceway are line contact bearing, load carrying capacity is large, mainly bear radial load, rolling element and the friction of lasso rib are little, be suitable for High Rotation Speed.By bearing housing, a driving gear 5 is arranged on driving shaft 2, driving gear 5 empty sets are on driving shaft 2, and on driven shaft 3, key connects a driven gear 6, and driven shaft 3 is fixedly connected with driven gear 6, driving gear 5 and driven gear 6 engagements.One end of driven shaft 3 extends outward a side of housing 1, driving shaft 2 is provided with a clutch collar 7, described clutch collar 7 is positioned at the side of the soldered tooth of driving gear 5, the jaw end empty set of selector fork 8 of can the left and right stirring clutch collar 7 leaves certain interval between the sidewall of this end of described selector fork 8 and the groove of clutch collar 7 in the groove of clutch collar 7.The fork handle end of described selector fork 8 is vertically connected at a fixing rod 9, and described fixing rod 9 is fixedly connected with by elastic cylindrical pin 13 with shift fork.Elastic cylindrical pin 13 possesses good elasticity and anti-shearing force, relies on interference to be fixed in the hole, can accurately locate selector fork 8.Described fixing rod 9 is parallel with driving shaft 2, to guarantee the Location accuracy to selector fork 8.One end of fixing rod 9 is snug fit in the blind hole 10 that housing 1 is provided with, described blind hole 10 can accurately lead to fixing rod, the other end of fixing rod 9 is fixedly connected with the piston 11a of cylinder 11, the cylinder body Spielpassung of fixing rod 9 and cylinder 11, described cylinder 11 are fixedly connected in the mounting hole that housing 1 is provided with.Described cylinder 11 is fixedly connected with housing 1 by bolt, and by seal ring 12 sealing, and is reliable to the sealing of cylinder 11 to guarantee, do not reveal not gas blowby, and the mist of oil seepage that do not leak guarantees that gearshift function is reliable.
Described cylinder 11 is single-acting cylinder, and because cylinder in the utility model 11 does not need two-way working, single-acting cylinder can satisfy usage requirement.Single-acting cylinder is applied thrust in one direction only, is provided with return spring 11b in cylinder 11, and the retraction of piston 11a relies on the return spring 11b spring force in the cylinder 11 of packing into.Direct built-in being arranged in housing 1 of cylinder 11 drives by air inlet or the exhaust of controlling single-acting cylinder 11 working procedure that selector fork 8 realizes that clutch collar 7 engages, throws off.At first gas enter single-acting cylinder 11 left chamber, and air pressure is pushing piston 11a and fixing rod 9 to the right, and selector fork promotes clutch collar 7, and combined cover 7 engages with the soldered tooth of driving gear 5 realizes that power take-off power exports; When stopping ventilation, single-acting cylinder 11 left chamber gas is discharged by external fast-discharge valve, and right chamber Compress Spring is pushing piston 11a and fixing rod 9 left, and selector fork 8 promotes clutch collars 7 throws off with power take-off driving gear 5 soldered tooths, stops the output of power take-off power.
The utility model directly is connected with transmission countershaft 17.Engine output power arrives clutch spindle through the driven disc of flywheel, clutch with transmission of power, clutch spindle through transmission countershaft 17 with transmission of power to power take-off driving shaft 2, power take-off driving shaft 2 through power take-off driving gear 5, power take-off driven gear 6 with power from driven shaft 3 outputs.Driven shaft 3 and oil pump connect together by spline housing, oil pump power taking from the driven shaft 3 of power take-off, the present embodiment be applicable to speed changer such as the model with rear-mounted gear group not be: S6-90 etc. are equipped.
The utility model not only is confined to above-described embodiment, an end retainingf key opposite with driven shaft 3 bearing of trends of described driving shaft 2 connects an end of input shaft 14, the other end of this input shaft 14 is provided with connection teeth cover 15, and described input shaft 14 props up by bearing and is held in housing 1.Utilize connection teeth cover 15 to connect power take-off input shaft 14, transmission countershaft 17, power take-off input shaft 14 is fixedly connected with transmission countershaft 17, the present embodiment be applicable to speed changer such as model with rear-mounted gear group be: 5S-111GP, 5S-111GPA etc. are equipped.
The utility model not only is confined to above-described embodiment, the band internal spline connecting sleeve flange plate 16 of end spline joint that stretches out of driven shaft 3, and the end that stretches out of driven shaft 3 is provided with external splines, and internal spline connecting sleeve flange plate 16 is provided with internal spline.Internal spline connecting sleeve flange plate 16 is located by the end axle that stretches out of bolt, end cap and driven shaft 3, and internal spline connecting sleeve flange plate 16 is fixedly connected with driven shaft 3.In the present embodiment, power take-off is to be connected with transmission shaft by output flange, then connects oil pump by transmission shaft and carry out power taking.
The utility model not only is confined to above-described embodiment, carries out the technological scheme of a little change (as the change of centre distance) in the situation that do not deviate from the technical solutions of the utility model spirit, should fall into protection domain of the present utility model.
Claims (6)
1. rearmounted power take-off that cylinder is built-in, comprise housing, be arranged with a pair of driving shaft and driven shaft in described housing in parallel, described driving shaft and driven shaft respectively by bearings in housing, by bearing housing, a driving gear is arranged on driving shaft, on driven shaft, key connects a driven gear, driving gear and driven gear engagement, one end of driven shaft extends outward a side of housing, driving shaft is provided with a clutch collar, described clutch collar is positioned at the side of the soldered tooth of driving gear, can stir the jaw end empty set of selector fork of clutch collar in the groove of clutch collar in the left and right for one, it is characterized in that: the fork handle end of described selector fork is vertically connected at a fixing rod, described fixing rod is parallel with driving shaft, one end of fixing rod is snug fit in the blind hole that housing is provided with, the other end of fixing rod is fixedly connected with the piston of cylinder, the cylinder body Spielpassung of fixing rod and cylinder, described cylinder is fixedly connected on the mounting hole that housing is provided with.
2. the built-in rearmounted power take-off of cylinder according to claim 1, it is characterized in that: described cylinder is single-acting cylinder, is provided with return spring in cylinder.
3. the built-in rearmounted power take-off of cylinder according to claim 1 and 2, it is characterized in that: described cylinder is fixedly connected with housing by bolt, and seals by seal ring.
4. the built-in rearmounted power take-off of cylinder according to claim 1, it is characterized in that: described fixing rod is fixedly connected with by elastic cylindrical pin with selector fork.
5. the built-in rearmounted power take-off of cylinder according to claim 1, it is characterized in that: an end opposite with the driven shaft bearing of trend of described driving shaft is fixedly connected with an end of input shaft, the other end of this input shaft is provided with the connection teeth cover, and described input shaft props up by bearing and is held in housing.
6. the built-in rearmounted power take-off of cylinder according to claim 1, it is characterized in that: the internal spline connecting sleeve flange plate of end spline joint that stretches out of described driven shaft, internal spline connecting sleeve flange plate is located by the end axle that stretches out of bolt, end cap and driven shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220648666 CN202971861U (en) | 2012-11-30 | 2012-11-30 | Post-positioned power take-off (PTO) with built-in cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220648666 CN202971861U (en) | 2012-11-30 | 2012-11-30 | Post-positioned power take-off (PTO) with built-in cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202971861U true CN202971861U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220648666 Expired - Fee Related CN202971861U (en) | 2012-11-30 | 2012-11-30 | Post-positioned power take-off (PTO) with built-in cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202971861U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106195064A (en) * | 2016-08-31 | 2016-12-07 | 陕西法士特齿轮有限责任公司 | A kind of segregation apparatus reducing retarder idling loss in parallel |
| CN107989994A (en) * | 2017-12-08 | 2018-05-04 | 中国重汽集团济南动力有限公司 | A kind of power takeoff air-control device |
| CN108413028A (en) * | 2018-05-15 | 2018-08-17 | 西安法士特汽车传动有限公司 | A kind of power takeoff cylinder and gearing device |
| CN109027197A (en) * | 2018-10-10 | 2018-12-18 | 宁波英德菲尔机械科技有限公司 | A kind of power takeoff |
| 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 |
| CN112918236A (en) * | 2021-03-18 | 2021-06-08 | 中国重汽集团济南动力有限公司 | Integrated double-motor two-gear electric drive bridge assembly mechanism and driving method |
-
2012
- 2012-11-30 CN CN 201220648666 patent/CN202971861U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106195064A (en) * | 2016-08-31 | 2016-12-07 | 陕西法士特齿轮有限责任公司 | A kind of segregation apparatus reducing retarder idling loss in parallel |
| CN107989994A (en) * | 2017-12-08 | 2018-05-04 | 中国重汽集团济南动力有限公司 | A kind of power takeoff air-control device |
| CN108413028A (en) * | 2018-05-15 | 2018-08-17 | 西安法士特汽车传动有限公司 | A kind of power takeoff cylinder and gearing device |
| CN109027197A (en) * | 2018-10-10 | 2018-12-18 | 宁波英德菲尔机械科技有限公司 | A kind of power takeoff |
| 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 |
| CN112918236A (en) * | 2021-03-18 | 2021-06-08 | 中国重汽集团济南动力有限公司 | Integrated double-motor two-gear electric drive bridge assembly mechanism and driving method |
| CN112918236B (en) * | 2021-03-18 | 2023-01-24 | 中国重汽集团济南动力有限公司 | Integrated double-motor two-gear electric drive bridge assembly mechanism and driving method |
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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: 20130605 Termination date: 20161130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |