CN114233833A - Power take-off mechanism for vehicle - Google Patents
Power take-off mechanism for vehicle Download PDFInfo
- Publication number
- CN114233833A CN114233833A CN202111469838.1A CN202111469838A CN114233833A CN 114233833 A CN114233833 A CN 114233833A CN 202111469838 A CN202111469838 A CN 202111469838A CN 114233833 A CN114233833 A CN 114233833A
- Authority
- CN
- China
- Prior art keywords
- gear
- power take
- vehicle
- input shaft
- shaft
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K25/00—Auxiliary drives
- B60K25/06—Auxiliary drives from the transmission power take-off
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
The invention discloses a power take-off mechanism for a vehicle, which comprises an input shaft, an output shaft and a transmission assembly connected with the input shaft and the output shaft, wherein the transmission assembly comprises a driving gear and a driven gear, one end of the input shaft is connected with a vehicle transmission shaft, the other end of the input shaft is fixedly connected with the driving gear, one end of the output shaft close to the input shaft is fixedly connected with the driven gear, the other end of the output shaft is connected with a vehicle rear axle, the transmission assembly also comprises a gear combination sleeve, the gear combination sleeve is used for connecting the driven gear and the driving gear, the input shaft is provided with a power take-off gear, and the power take-off gear is positioned on one side of the driving gear, which is far away from the driven gear.
Description
Technical Field
The invention relates to the field of motor vehicle parts, in particular to a power take-off mechanism for a vehicle.
Background
The power takeoff, also called power takeoff, is mainly used to take power from the engine or transmission and provide it to a dedicated mechanical or hydraulic system outside the vehicle.
At present, the traditional power takeoff for vehicles adopts a mode of adding a power takeoff structure on an output end of an engine or an output end of a transmission to realize the functions of driving a special mechanical or hydraulic system of the vehicle to work and the like.
However, the internal layout of many vehicles is compact, and the auxiliary machinery or hydraulic system of some special vehicles cannot take power through an engine or a gearbox due to installation and arrangement, and when the situation occurs, the auxiliary machinery or hydraulic system can only be powered by an additional motor, so that the power taking mode is single and troublesome.
Disclosure of Invention
Based on the above background, the present invention is directed to a power take-off mechanism for a vehicle, which is configured to solve the technical problem mentioned in the background above that power cannot be taken off through an engine or a transmission case by a power take-off gear and a transmission assembly disposed at an input end of a rear axle.
In order to achieve the purpose, the invention provides the following technical scheme: a power take-off mechanism for a vehicle comprises an input shaft, an output shaft arranged on one side of the input shaft, and a transmission assembly connected with the input shaft and the output shaft;
the transmission assembly comprises a driving gear and a driven gear, one end of the input shaft is connected with a vehicle transmission shaft, the other end of the input shaft is fixedly connected with the driving gear, one end of the output shaft close to the input shaft is fixedly connected with the driven gear, and the other end of the output shaft is connected with a vehicle rear axle;
the transmission assembly further comprises a gear combination sleeve, and the gear combination sleeve is used for connecting the driven gear and the driving gear;
and the input shaft is provided with a power take-off gear which is positioned on one side of the driving gear, which is far away from the driven gear.
As a further scheme of the invention, the transmission mechanism further comprises a power take-off box, and the driving gear, the driven gear, the gear combination sleeve and the power take-off gear are all arranged in the power take-off box.
As a further scheme of the invention, the outer wall of the gear combination sleeve is provided with a circle of groove, an adjusting shifting fork is arranged in the groove, and the adjusting shifting fork can control the gear combination sleeve to axially move along the output shaft through external input
As a further scheme of the invention, a sliding groove for the movement of the adjusting shifting fork is formed in the side wall of one end of the power take-off box, a power take-off window for providing an assembling surface for assembling the power take-off is formed in the other end of the power take-off box, a supporting rod is arranged in the sliding groove, two sections of the supporting rod are fixed on the power take-off box, the adjusting shifting fork penetrates through the sliding groove, and a through hole for the supporting rod to penetrate through is formed in the adjusting shifting fork.
As a further aspect of the present invention, a main reducer casing is provided between the power take-off box and the rear axle of the vehicle, and the power take-off box is fixedly connected to the rear axle of the vehicle through the main reducer casing.
As a further scheme of the invention, one end of the input shaft, which is far away from the driving gear, is provided with a fixed structure connected with a transmission shaft of a vehicle.
As a further aspect of the present invention, the fixing mechanism includes an input flange splined to the input shaft, and a lock nut for fixing the input flange to the input shaft, and the driving gear, the input shaft, the power take-off gear, and the input flange are rigidly connected to each other.
According to the power takeoff structure, the input shaft, the output shaft and the transmission assembly for connecting the input shaft and the output shaft are arranged between the vehicle transmission shaft and the vehicle rear axle, and the power takeoff gear is arranged on the input shaft, so that the technical scheme that the power takeoff structure is not arranged in the traditional scheme is avoided; specifically, a driving gear is arranged at one end of an input shaft close to an output shaft, a driven gear is arranged at one end of the output shaft close to the input shaft, and the driving gear and the driven gear are connected and fixed through a gear combination sleeve, so that the input shaft can drive the output shaft to rotate together; the technical problem that the auxiliary machinery or the hydraulic system of part of special vehicles in the prior art can not take power through an engine or a gearbox is solved.
Drawings
FIG. 1 is a perspective view showing the overall structure of a first embodiment of the present invention;
FIG. 2 is a plan view of a part of the structure in the first embodiment of the present invention;
FIG. 3 is a schematic view of an adjusting fork according to a first embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a power take-off box according to a first embodiment of the present invention;
FIG. 5 is a schematic structural view of a gear coupling sleeve according to a first embodiment of the present invention;
FIG. 6 is a schematic view of the connection between the fixing structure and the input shaft according to the first embodiment of the present invention;
fig. 7 is a plan view of a part of the structure in the second embodiment of the present invention.
Description of the main element symbols:
|
10 | |
140 |
|
20 | |
150 |
|
30 | Vehicle |
160 |
|
40 | |
170 |
|
50 | |
180 |
Power take-off |
60 | First rotating |
190 |
Groove | 70 | Second |
200 |
Adjustable shifting fork | 80 | A |
210 |
Power take-off |
90 | First driven |
220 |
|
100 | First |
230 |
|
110 | First power take-off |
240 |
Through |
120 | Second power take-off |
250 |
Power take- |
130 |
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Several embodiments of the invention are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The first embodiment is as follows:
referring to fig. 1 to 6, a power take-off mechanism for a vehicle includes an input shaft 10, an output shaft 20 disposed at one side of the input shaft 10, and a transmission assembly connecting the input shaft 10 and the output shaft 20.
The input shaft 10 and the output shaft 20 are located between a vehicle transmission shaft (not shown) and a vehicle rear axle 160, when the vehicle normally runs, power of the vehicle transmission shaft is transmitted to the input shaft 10, the input shaft 10 transmits the power to the input shaft 20, the input shaft 20 is transmitted to the vehicle rear axle 160 through the gear transmission of a main reduction gear and a differential gear, and then the wheels are driven to rotate, so that the vehicle is kept to move forwards or backwards.
The transmission assembly comprises a driving gear 30 and a driven gear 40, one end of the input shaft 10 is connected with a vehicle transmission shaft, the other end of the input shaft is fixedly connected with the driving gear 30, one end of the output shaft 20 close to the input shaft 10 is fixedly connected with the driven gear 40, the other end of the output shaft is connected with a vehicle rear axle 160, the transmission assembly further comprises a gear combination sleeve 50, the gear combination sleeve 50 is used for connecting the driven gear 40 with the driving gear 30, namely, the driving gear 30 and the driven gear 40 are fixed through the gear combination sleeve 50, and then the input shaft 10 is fixedly connected with the output shaft 20.
In the present embodiment, the input shaft 10 is provided with a power take-off gear 60, and the power take-off gear 60 is located on a side of the driving gear 30 away from the driven gear 40.
The transmission mechanism further comprises a power take-off box 90, and the driving gear 30, the driven gear 40, the gear combination sleeve 50 and the power take-off gear are all arranged in the power take-off box 90.
The outer wall of the gear combination sleeve 50 is provided with a circle of grooves 70, adjusting shifting forks 80 are arranged in the grooves 70, and the adjusting shifting forks 80 can input and control the gear combination sleeve 50 to axially move along the output shaft 10 through the outer side;
the side wall of one end of the power take-off box 90 is provided with a sliding groove 100 for the adjusting shifting fork 80 to move, the other end of the power take-off box is provided with a power take-off window 130 for providing an assembling surface for assembling the power take-off, a supporting rod 110 is arranged in the sliding groove 100, two sections of the supporting rod 110 are fixed on the power take-off box 90, the adjusting shifting fork 80 passes through the sliding groove 100, and a through hole 120 for the supporting rod 110 to pass through is arranged on the adjusting shifting fork 80.
Be equipped with between power take-off box 90 and the vehicle rear axle 160 and mainly subtract casing 140, power take-off box 90 is close to the one end that mainly subtracts casing 140 and is provided with mounting flange 150, and the both ends that mainly subtract casing 140 are equipped with the screw hole, and bolt fixed connection is passed through on vehicle rear axle 160 to the one end that mainly subtracts casing 140, and bolt and mounting flange fixed connection are passed through to the other end to make power take-off box 90 fixed connection on vehicle rear axle 160.
Specifically, when parking power take-off is carried out, the gear coupling sleeve 50 is controlled to axially move towards the output shaft 20 along the input shaft 10 only by adjusting the shifting fork 80, gear transmission of the driving gear 30 and the gear coupling sleeve 50 is disconnected, the output shaft 20 loses driving power, the vehicle further keeps a parking state, the power take-off gear 60 and the input shaft 10 still synchronously rotate at the moment, power of the input shaft 10 can be output to the power take-off gear 60, the power take-off gear 60 is connected with a power take-off through the power take-off window 130, and then the power take-off is input to a hydraulic or mechanical power unit, so that parking braking is achieved.
The end of the input shaft 10 remote from the drive gear 30 is provided with a fixed structure for connection to the vehicle drive shaft.
The fixing mechanism comprises an input flange 170 connected with the input shaft 10 in a spline mode and a lock nut 180 for fixing the input flange 170 on the input shaft 10, the driving gear 30, the input shaft 10, the power take-off gear 60 and the input flange 170 are in rigid connection, and the input flange 170 is generally connected with a vehicle transmission shaft and receives power transmission of the transmission shaft.
According to the power takeoff structure, the input shaft, the output shaft and the transmission assembly for connecting the input shaft and the output shaft are arranged between the vehicle transmission shaft and the vehicle rear axle, and the power takeoff gear is arranged on the input shaft, so that the technical scheme that the power takeoff structure is not arranged in the traditional scheme is avoided; specifically, a driving gear is arranged at one end of an input shaft close to an output shaft, a driven gear is arranged at one end of the output shaft close to the input shaft, and the driving gear and the driven gear are connected and fixed through a gear combination sleeve, so that the input shaft can drive the output shaft to rotate together; the technical problem that the auxiliary machinery or the hydraulic system of part of special vehicles in the prior art can not take power through an engine or a gearbox is solved.
Example two:
referring to fig. 7, a second embodiment of the present invention is shown, which is different from the first embodiment in that: in this embodiment, a first rotating shaft 190 and a second rotating shaft 200 are disposed in the power take-off box 90, one end of the first rotating shaft 190 is rotatably connected to the inner wall of the power take-off box 90, the other end of the first rotating shaft is fixedly connected to a first driving gear 210, one end of the second rotating shaft 200 is rotatably connected to the inner wall of the power take-off box 90, the other end of the second rotating shaft is fixedly connected to a first driven gear 220, the first driving gear 210 and the first driven gear 220 are connected by a first gear coupling sleeve 230, a first power take-off gear 240 is sleeved on the first rotating shaft 190, the first power take-off gear 240 is engaged with the power take-off gear 60, a second power take-off gear 250 is sleeved on the second rotating shaft 200, and a first adjusting fork, which is not shown in the drawing, is disposed on the first gear coupling sleeve 230.
That is, when the vehicle is driven, without braking the hydraulic or mechanical power unit, the first gear coupling sleeve 230 is driven by the first adjusting fork to axially move from the first rotating shaft 190 to the second rotating shaft 200, the gear transmission between the first driving gear 210 and the first gear coupling sleeve 230 is disconnected, the second rotating shaft 200 loses the driving power, and the hydraulic or mechanical power unit stops driving.
In the present embodiment, the power take-off window 130 is matched with the second power take-off gear 250.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (7)
1. A power take-off mechanism for a vehicle is characterized by comprising an input shaft, an output shaft arranged on one side of the input shaft, and a transmission assembly for connecting the input shaft and the output shaft;
the transmission assembly comprises a driving gear and a driven gear, one end of the input shaft is connected with a vehicle transmission shaft, the other end of the input shaft is fixedly connected with the driving gear, one end of the output shaft close to the input shaft is fixedly connected with the driven gear, and the other end of the output shaft is connected with a vehicle rear axle;
the transmission assembly further comprises a gear combination sleeve, and the gear combination sleeve is used for connecting the driven gear and the driving gear;
the input shaft is provided with the power take-off gear, and the power take-off gear is positioned on one side of the driving gear, which is far away from the driven gear.
2. The power take-off mechanism for a vehicle as claimed in claim 1, wherein: the power take-off mechanism further comprises a power take-off box, and the driving gear, the driven gear, the gear combination sleeve and the power take-off gear are all located in the power take-off box.
3. The power take-off mechanism for a vehicle as claimed in claim 2, wherein: the outer wall of the gear combination sleeve is provided with a circle of groove, an adjusting shifting fork is arranged in the groove, and the adjusting shifting fork can be controlled through input outside the gear combination sleeve to move along the axial direction of the output shaft.
4. The power take-off mechanism for a vehicle as claimed in claim 3, wherein: be equipped with the confession on the one end lateral wall of power takeoff case adjust the sliding tray that the shift fork removed, the other end is equipped with the power takeoff window that provides the assembly face for the assembly power takeoff, be equipped with the bracing piece in the sliding tray, the both ends of bracing piece are fixed on the power takeoff case, adjust the shift fork and pass the sliding tray, locate the confession on the regulation shift fork the through-hole that the bracing piece passed.
5. The power take-off mechanism for the vehicle as claimed in claim 2, wherein a main reducing casing is arranged between the power take-off box and the rear axle of the vehicle, and the power take-off box is fixedly connected to the rear axle of the vehicle through the main reducing casing.
6. The power take off mechanism for a vehicle of claim 1 wherein an end of the input shaft remote from the drive gear is provided with a fixed structure for connection to a vehicle drive shaft.
7. The power take-off mechanism for a vehicle of claim 6, wherein the securing mechanism includes an input flange splined to the input shaft and a lock nut securing the input flange to the input shaft, the drive gear, the input shaft, and the input flange being rigidly connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111469838.1A CN114233833A (en) | 2021-12-03 | 2021-12-03 | Power take-off mechanism for vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111469838.1A CN114233833A (en) | 2021-12-03 | 2021-12-03 | Power take-off mechanism for vehicle |
Publications (1)
Publication Number | Publication Date |
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CN114233833A true CN114233833A (en) | 2022-03-25 |
Family
ID=80753024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111469838.1A Pending CN114233833A (en) | 2021-12-03 | 2021-12-03 | Power take-off mechanism for vehicle |
Country Status (1)
Country | Link |
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CN (1) | CN114233833A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1424256A (en) * | 1964-02-11 | 1966-01-07 | Zahnradfabrik Friedrichshafen | Transmission system for motor vehicles, preferably for agricultural utility vehicles |
JPH09193679A (en) * | 1997-01-07 | 1997-07-29 | Kanzaki Kokyukoki Mfg Co Ltd | Power take-off device for conveying vehicle |
CN2809332Y (en) * | 2005-06-27 | 2006-08-23 | 顾林华 | Automobile power-take-off device |
CN201891805U (en) * | 2010-12-13 | 2011-07-06 | 云梦县新宇齿轮箱制造有限公司 | Transfer and power take-off case |
CN203570942U (en) * | 2013-10-10 | 2014-04-30 | 湖北星菱特种齿轮箱有限公司 | Angle transmission transfer case |
CN203979295U (en) * | 2014-03-31 | 2014-12-03 | 重庆隆旺机电有限责任公司 | Power taking gearshift type speed changer |
-
2021
- 2021-12-03 CN CN202111469838.1A patent/CN114233833A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1424256A (en) * | 1964-02-11 | 1966-01-07 | Zahnradfabrik Friedrichshafen | Transmission system for motor vehicles, preferably for agricultural utility vehicles |
JPH09193679A (en) * | 1997-01-07 | 1997-07-29 | Kanzaki Kokyukoki Mfg Co Ltd | Power take-off device for conveying vehicle |
CN2809332Y (en) * | 2005-06-27 | 2006-08-23 | 顾林华 | Automobile power-take-off device |
CN201891805U (en) * | 2010-12-13 | 2011-07-06 | 云梦县新宇齿轮箱制造有限公司 | Transfer and power take-off case |
CN203570942U (en) * | 2013-10-10 | 2014-04-30 | 湖北星菱特种齿轮箱有限公司 | Angle transmission transfer case |
CN203979295U (en) * | 2014-03-31 | 2014-12-03 | 重庆隆旺机电有限责任公司 | Power taking gearshift type speed changer |
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Application publication date: 20220325 |