CN103538470A - Tractor - Google Patents
Tractor Download PDFInfo
- Publication number
- CN103538470A CN103538470A CN201310528815.2A CN201310528815A CN103538470A CN 103538470 A CN103538470 A CN 103538470A CN 201310528815 A CN201310528815 A CN 201310528815A CN 103538470 A CN103538470 A CN 103538470A
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- Prior art keywords
- trac
- transmission shaft
- input shaft
- engine installation
- tractor
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- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Motor Power Transmission Devices (AREA)
Abstract
The invention relates to the technical field of tractor equipment, particularly to a tractor. The tractor comprises a gear pump and a power unit. The gear pump comprises an input shaft, and the power unit comprises a transmission shaft and a coupling; one end of the transmission shaft is of a spline structure, and the other end of the transmission shaft is coupled inside the coupling and connected with the input shaft in a powering mode through the coupling. A user can control the connection or separation between the transmission shaft and the input shaft of the tractor by manipulating a power output separation handle of the tractor to power on or off the hydraulic output gear pump. The tractor is compatible with high-flow gear pumps.
Description
Technical field
The present invention relates to tractor equipment technical field, more particularly, particularly a kind of trac..
Background technology
In China Sichuan and southwest most Hills, the minitype wheeled tractor that now wide model is used is when wearing trailer and carry out hauling operation, all need to increase trailer fluid pressure drive device, it is rear-guard, there is rear-guard, trac. just can be climbed in heavy duty, and this just requires to install hydraulic pressure output gear wheel pump on trac., to trailer, provides hydraulic power.
In the prior art, trac. is that flat axle is fixedly connected with the engine installation of trac., be that input shaft is fixedly connected with the flat axle of transmission shaft (the intrinsic parts of tractor dynamic power device), the technical matters that this structure design exists is: can not be with the gear type pump of large flow.
Summary of the invention
The object of the present invention is to provide a kind of trac., to solve the above problems.
A kind of trac. is provided in an embodiment of the present invention, comprise gear type pump and engine installation, described gear type pump includes input shaft, described engine installation includes transmission shaft, one end of described transmission shaft adopts spline structure, and the other end of described transmission shaft is inserted in to described sliding hub and by described sliding hub and is connected with described input shaft power.
Preferably, on described input shaft, there is rectangle keyway.
Preferably, described engine installation includes engine installation shell, and described trac. includes gear pump arrangement shell; Described engine installation shell is connected by flange with described gear pump arrangement shell.
Preferably, described input shaft stretches in described flange and is connected with described transmission shaft bond; In described flange, be also provided with the sliding hub that is sheathed on described input shaft and described transmission shaft connecting portion outside.
Preferably, the present invention also includes circlip, and described input shaft docks with described transmission shaft by described circlip.
Preferably, on described engine installation shell, be also provided with traction frame, described traction frame is fixedly connected with described engine installation.
Preferably, the present invention also includes U-shaped frame, and described U-shaped frame is connected with described traction frame by connecting pin.
Preferably, the present invention also includes trailer and towing pin; Described U-shaped frame is connected with described traction frame by two connecting pins, and described trailer is rotationally connected by described towing pin and described U-shaped frame.
In order to make trac. provided by the invention can use large flow gear type pump, the present invention is on the architecture basics of prior art, transmission shaft and input shaft have been made to following improvement: one end of transmission shaft adopts spline structure, and the other end of described transmission shaft is inserted in to described sliding hub and by described sliding hub and is connected with described input shaft power.Because the input shaft of large flow gear type pump is all spline or flat key, and the gear type pump that the gear type pump that rear-guard is used is large flow.Therefore, based on said structure, design, structural development by designer to trac., after the present invention is installed on trac., by controlling the power of trac., export separated handle, combination between the transmission shaft of controlling trac. and tractor dynamic power input shaft is with separated, so just can be separated and the power of engagement hydraulic output gear wheel pump, and make trac. provided by the invention can use large flow gear type pump.
Accompanying drawing explanation
Fig. 1 is the structural representation of trac. in an embodiment of the present invention;
Fig. 2 is the cutaway view of Fig. 1;
In Fig. 1 and Fig. 2, the corresponding relation of component names and Reference numeral is:
The specific embodiment
Below by specific embodiment, also by reference to the accompanying drawings the present invention is described in further detail.
Please refer to Fig. 1 and Fig. 2, wherein, Fig. 1 is the structural representation of trac. in an embodiment of the present invention; Fig. 2 is the cutaway view of Fig. 1.
The invention provides a kind of trac., comprise gear type pump and engine installation, gear type pump includes input shaft 1, and engine installation includes transmission shaft 2.Also include in the present invention sliding hub 4; One end of transmission shaft 2 adopts spline structure, and the other end of transmission shaft 2 is inserted in to sliding hub 4 and by sliding hub 4 and is connected with input shaft 1 power.
To those skilled in the art, trac. is to be a kind ofly connected with engine installation power, thus externally (tractor trailer) output hydraulic pressure can device.Trac. includes input shaft 1, and one end of input shaft 1 is connected by sliding hub 4 with the transmission shaft of trac. 2, and so structure design, can guarantee when tractor dynamic power device turns round, and can be with driven input shaft 1 to rotate.
In the prior art, because the input shaft of large flow is all spline or flat key, and the gear type pump that the gear type pump that rear-guard is used is large flow.
The present invention on the basis of existing technology, has made following structural development: input shaft 1 is connected by sliding hub 4 with tractor transmission shaft 2, and the other end of transmission shaft 2 is also castellated shaft end structure.
Based on this structure design, structural development by designer to trac., after the present invention is installed on trac., by controlling the power of trac., export separated handle a, combination between the transmission shaft 2 of controlling trac. and input shaft 1 is with separated, so just the power of energy separation and engagement hydraulic output gear wheel pump, makes trac. provided by the invention can use large flow gear type pump.
The present invention is by above-mentioned improvement, the axle head of the transmission shaft of trac. 2 is designed to spline axle head, thereby when tractor dynamic power device turns round, also can realize easily its with engine installation between combination with separated, can also avoid trac. continuous running under idle state, solve the problem of hydraulic efficiency pressure system excess Temperature.
Particularly, in a specific embodiment of the present invention, on input shaft 1, there is rectangle keyway.Certainly, in other embodiments of the present invention, the keyway on input shaft 1 can also be designed to other shape.
The present invention also provides a kind of trac., includes engine installation, and engine installation includes transmission shaft 2, also includes trac. described above; Transmission shaft 2 is connected with input shaft 1 key of trac..
From the above, one end of the input shaft 1 of trac. is designed for spline structure, in trac. provided by the invention, owing to having adopted above-mentioned trac., making between transmission shaft 2 and input shaft 1 is spline joint, has just overcome the impact that working accuracy error causes.
In a specific embodiment of the present invention, engine installation includes engine installation shell, and trac. includes gear pump arrangement shell; Engine installation shell is connected by flange 3 with gear pump arrangement shell.
In said structure, particularly, flange 3 is installed on the junction of engine installation and trac., and input shaft 1 is inserted in flange 3 and docks with transmission shaft 2.In flange 3, be also provided with the sliding hub 4 that is sheathed on input shaft 1 and transmission shaft connecting portion outside, thereby guarantee the accurate docking of two axles, improve its merging precision.
Particularly, the present invention also includes circlip 5, and input shaft 1 docks with transmission shaft 2 by sliding hub 4.In the centre of sliding hub 4, be provided with circlip 5, can guarantee the length of the junction between sliding hub 4 and transmission shaft 2 and input shaft 1, improve the reliability of transmission.
In an embodiment of the invention, be also provided with traction frame on engine installation shell, traction frame is fixedly connected with engine installation.
Based on above-described embodiment, the present invention also includes U-shaped frame, and U-shaped frame is connected with traction frame by connecting pin.Used with tractor trailer is connected with U-shaped frame by connecting pin.
A specific embodiment of the present invention is:
Trac. provided by the invention comprises hydraulic pressure output gear wheel pump, gear type pump butt flange 3, sliding hub 4, transmission shaft 2, circlip for bore 5.Tractor hydraulic output gear pumping plant is at the end increase of prime power take-off (propeller) shaft 2 rectangular spline identical with hydraulic pressure output input shaft 1 spline, gear type pump butt flange 3 is connected with tractor transmission case body, gear pump case is connected with gear type pump butt flange 3, and input shaft 1 spline is the spline joint with power take-off drive shaft 2 by sliding hub 4.Trac. provided by the invention comprises traction frame, U-shaped frame, connecting pin, towing pin.Traction frame is fixedly connected with gearbox body, U-shaped frame is connected with traction frame by two connecting pins, and trailer is rotationally connected by towing pin and U-shaped frame, while connecting trailer, first U-shaped frame is pulled to body by towing pin and trailer and be connected, then U-shaped frame is connected with traction frame by two connecting pins.
These are only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a trac., is characterized in that, comprising: gear type pump and engine installation, and described gear type pump includes input shaft, and described engine installation includes transmission shaft,
Also include sliding hub;
One end of described transmission shaft adopts spline structure, and the other end of described transmission shaft is inserted in to described sliding hub, and is connected with described input shaft power by described sliding hub.
2. trac. according to claim 1, is characterized in that,
On described input shaft, there is rectangle keyway.
3. trac. according to claim 2, is characterized in that,
Described engine installation includes engine installation shell, and described trac. includes gear pump arrangement shell; Described engine installation shell is connected by flange with described gear pump arrangement shell.
4. trac. according to claim 3, is characterized in that,
Described input shaft stretches in described flange and is connected with described transmission shaft bond;
In described flange, be also provided with the sliding hub that is sheathed on described input shaft and described transmission shaft connecting portion outside.
5. trac. according to claim 4, is characterized in that,
Also include circlip, described input shaft docks with described transmission shaft by described circlip.
6. trac. according to claim 5, is characterized in that,
On described engine installation shell, be also provided with traction frame, described traction frame is fixedly connected with described engine installation.
7. trac. according to claim 6, is characterized in that,
Also include U-shaped frame, described U-shaped frame is connected with described traction frame by connecting pin.
8. trac. according to claim 7, is characterized in that,
Also include trailer and towing pin;
Described U-shaped frame is connected with described traction frame by two connecting pins, and described trailer is rotationally connected by described towing pin and described U-shaped frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310528815.2A CN103538470A (en) | 2013-10-30 | 2013-10-30 | Tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310528815.2A CN103538470A (en) | 2013-10-30 | 2013-10-30 | Tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103538470A true CN103538470A (en) | 2014-01-29 |
Family
ID=49962472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310528815.2A Pending CN103538470A (en) | 2013-10-30 | 2013-10-30 | Tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103538470A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2156096Y (en) * | 1993-06-24 | 1994-02-16 | 王希云 | Drawing saddle for semi-pulling type vehicle |
| CN2363915Y (en) * | 1999-02-26 | 2000-02-16 | 张光明 | Integrated hydraulic power device specially adapted for four-wheeled tractor |
| US6038936A (en) * | 1998-11-06 | 2000-03-21 | Case Corporation | Dual speed PTO shaft retention and support system |
| CN102490601A (en) * | 2011-12-28 | 2012-06-13 | 覃志明 | Front wheel hydraulic drive and rear wheel mechanical drive hinged transportation type tractor |
| CN103038549A (en) * | 2010-06-24 | 2013-04-10 | 沃尔沃拉斯特瓦格纳公司 | Transmission with a main gearbox and a power take off unit |
| CN203157622U (en) * | 2013-04-08 | 2013-08-28 | 四川川龙拖拉机制造有限公司 | Traction device of tractor |
| CN203528299U (en) * | 2013-10-30 | 2014-04-09 | 四川川龙拖拉机制造有限公司 | Tractor |
-
2013
- 2013-10-30 CN CN201310528815.2A patent/CN103538470A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2156096Y (en) * | 1993-06-24 | 1994-02-16 | 王希云 | Drawing saddle for semi-pulling type vehicle |
| US6038936A (en) * | 1998-11-06 | 2000-03-21 | Case Corporation | Dual speed PTO shaft retention and support system |
| CN2363915Y (en) * | 1999-02-26 | 2000-02-16 | 张光明 | Integrated hydraulic power device specially adapted for four-wheeled tractor |
| CN103038549A (en) * | 2010-06-24 | 2013-04-10 | 沃尔沃拉斯特瓦格纳公司 | Transmission with a main gearbox and a power take off unit |
| CN102490601A (en) * | 2011-12-28 | 2012-06-13 | 覃志明 | Front wheel hydraulic drive and rear wheel mechanical drive hinged transportation type tractor |
| CN203157622U (en) * | 2013-04-08 | 2013-08-28 | 四川川龙拖拉机制造有限公司 | Traction device of tractor |
| CN203528299U (en) * | 2013-10-30 | 2014-04-09 | 四川川龙拖拉机制造有限公司 | Tractor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140129 |
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| RJ01 | Rejection of invention patent application after publication |