CN214564626U - Mountain tractor hydraulic output system and mountain tractor - Google Patents
Mountain tractor hydraulic output system and mountain tractor Download PDFInfo
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- CN214564626U CN214564626U CN202121027238.5U CN202121027238U CN214564626U CN 214564626 U CN214564626 U CN 214564626U CN 202121027238 U CN202121027238 U CN 202121027238U CN 214564626 U CN214564626 U CN 214564626U
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Abstract
The application relates to a hillside tractor hydraulic output system and a hillside tractor, and belongs to the technical field of hillside tractors. The application provides a hillside tractor hydraulic output system for install in hillside tractor, hillside tractor includes diesel engine and transmission case, the input shaft of transmission case is connected with the output shaft transmission of diesel engine, include: the power input end of the first hydraulic output system is in transmission connection with the output shaft of the diesel engine; and the power input end of the second hydraulic output system is in transmission connection with the output shaft of the transmission case. The application also provides a hillside tractor, including this hillside tractor hydraulic output system. This hillside tractor hydraulic output system and hillside tractor possess two kinds of hydraulic output systems, can enough keep original miniwatt output operation function, can carry out high-power output operation again, have matchd the operation demand of hillside tractor well.
Description
Technical Field
The application relates to a hillside tractor technical field particularly, relates to a hillside tractor hydraulic output system and hillside tractor.
Background
A20-60 horsepower mountain land wheel type tractor widely used in Sichuan and southwest areas is usually matched with a small-sized hydraulic system, a gear pump of the tractor is arranged on an output shaft of a diesel engine, and the gear pump synchronously works along with the running of the diesel engine. On one hand, the hydraulic system has small output power, can only be used for small-power output operation such as hydraulic lifting and adjusting the posture of an agricultural implement, and cannot carry out large-power output operation such as driving the operation of a hydraulic-driven agricultural implement such as a rotary cultivator, a weeding machine, a rear-drive trailer and the like. On the other hand, the hydraulic system works synchronously along with the running of the diesel engine, the output power of the hydraulic system is difficult to adjust, and when hydraulic power is not needed during field transfer and the like, the hydraulic pump still works and consumes power.
SUMMERY OF THE UTILITY MODEL
Therefore, the application provides a hillside tractor hydraulic output system and a hillside tractor, possesses two kinds of hydraulic output systems, can enough keep original low power output operation function, can carry out high-power output operation again, has matchd hillside tractor's operation demand well.
The embodiment of the application provides a hillside tractor hydraulic output system for install in hillside tractor, hillside tractor includes diesel engine and transmission case, the input shaft of transmission case is connected with the output shaft transmission of diesel engine, include: the power input end of the first hydraulic output system is in transmission connection with the output shaft of the diesel engine; and the power input end of the second hydraulic output system is in transmission connection with the output shaft of the transmission case.
The first hydraulic output system and the second hydraulic output system are two sets of hydraulic output systems which are separated from each other, the first hydraulic output system is driven by a main output shaft of the diesel engine, hydraulic output is carried out along with the operation of the diesel engine, and hydraulic output is provided for an original low-power device. The second hydraulic output system is driven by a secondary output shaft of the transmission case, and the rotating speed of the secondary output shaft relative to the main output shaft can be adjusted through a gear pair in the transmission case, so that the hydraulic output power of the second hydraulic output system can be adjusted independently of the rotating speed of the main output shaft of the diesel engine, and a high-power hydraulic output function is achieved when the agricultural implement is required to be carried for operation.
In addition, the hydraulic output system of the hillside tractor according to the embodiment of the application also has the following additional technical characteristics:
according to some embodiments of the present application, the hillside tractor hydraulic output system further comprises: an oil tank; the first hydraulic output system comprises a first oil inlet pipe and a first oil return pipe, the second hydraulic output system comprises a second oil inlet pipe and a second oil return pipe, and the first oil inlet pipe, the first oil return pipe, the second oil inlet pipe and the second oil return pipe are communicated with the oil tank. The structure of the hydraulic output system of the hillside tractor can be simplified by sharing one oil tank with the two hydraulic output systems.
According to some embodiments of the present application, the first hydraulic output system comprises: the first gear pump is arranged on an output shaft of the diesel engine, and the oil inlet side of the first gear pump is connected with the oil tank through the first oil inlet pipe; the oil inlet side of the first multi-way valve is connected with the oil outlet side of the first gear pump, and the oil return side of the first multi-way valve is connected with the oil tank through the first oil return pipe; and the first output module is connected with the power output end of the first multi-way valve.
According to some embodiments of the present application, the first hydraulic output system further comprises: the power input end of the shunt valve block is connected with the power output end of the first multi-way valve, and the power output end of the shunt valve block comprises a first output part and a second output part; and the two lifting cylinders are respectively connected with the first output part and the second output part.
According to some embodiments of the present application, the second hydraulic output system comprises: the second gear pump is arranged on the output shaft of the transmission case, and the oil inlet side of the second gear pump is connected with the oil tank through the second oil inlet pipe; the oil inlet side of the second multi-way valve is connected with the oil outlet side of the second gear pump, and the oil return side of the second multi-way valve is connected with the oil tank through a second oil return pipe; and the second output module is connected with the power output end of the second multi-way valve.
According to some embodiments of the present application, the second output module comprises at least one quick-change coupling.
According to some embodiments of the present application, the hillside tractor hydraulic output system further comprises a control handle for controlling a connection state of the output shaft and the input shaft of the transmission case so that the second gear pump has a rotation state and a stop state; when the second gear pump is in the rotating state, the output shaft of the transmission case is in transmission connection with the input shaft; when the second gear pump is in a stopped state, the output shaft of the transmission case is disconnected from the input shaft. Through this kind of form, can use the second gear pump to carry out hydraulic output when only needing high-power output to avoid unnecessary doing work.
According to some embodiments of the present application, the hillside tractor hydraulic output system further comprises: a first oil filter mounted to the first oil inlet pipe; a second oil filter mounted to the second oil inlet pipe; the oil filtering amount of the first oil filter is smaller than that of the second oil filter. The oil filtering amount of the first oil filter and the oil filtering amount of the second oil filter are reasonably matched, so that the high-flow-rate oil filter can adapt to the high flow rate of a second hydraulic output system with high power output and the low flow rate of a first hydraulic output system with low power output, and the cleanness of an oil way is ensured.
The embodiment of the application also provides a mountain tractor, which comprises the hydraulic output system of the mountain tractor.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic structural diagram of a front view angle of a mountain tractor according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a top view of a mountain tractor according to an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of the hydraulic output system of the hillside tractor according to the embodiment of the present disclosure;
FIG. 4 is a schematic diagram of a control module in the hydraulic output system of the hillside tractor according to the embodiment of the present application.
Icon: 100-hydraulic output system of mountain tractor; 110 — a first hydraulic output system; 111-a first oil inlet pipe; 112-a first gear pump; 113-a first multiplex valve; 114-a first oil return pipe; 115-a first output module; 1151-a diverter valve block; 1152-a first lift cylinder; 1153-a second lift cylinder; 1154-a first output; 1155-a second output; 116-a first high pressure fuel line; 1171-a first tubing; 1172-a second tubing; 1173-a third tubing; 1174-a fourth tubing; 120-a second hydraulic output system; 121-a second oil inlet pipe; 122-a second gear pump; 123-a second multiplex valve; 124-a second oil return pipe; 125-a second output module; 1251-quick-change coupler; 126-a second high pressure oil line; 1271-fifth oil pipe; 1272-sixth tubing; 1273-seventh tubing; 1274-eighth tubing; 130-a control handle; 140-a fuel tank; 151-first oil filter; 152-a second oil filter; 160-an operating panel; 200-a mountain tractor; 210-a mountain tractor body; 211-diesel engine; 2111-main output shaft; 212-a transmission case; 2121-secondary output shaft; 2122-secondary input shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the related art, a mountain tractor includes a small hydraulic output system, and a gear pump of the small hydraulic output system is mounted on an output shaft of a diesel engine for low power output work or standby output work. However, in the operation process of the mountain tractor, besides the low-power output operation such as hydraulic lifting and adjusting the posture of the agricultural implement, the mountain tractor also needs to intermittently drive the agricultural implement to perform high-power operation. On one hand, the agricultural implement does not need to be operated constantly, and on the other hand, the agricultural implement needs higher output power, so that a high-power output joint for agricultural machine operation cannot be directly separated on the basis of the existing small-sized hydraulic output system.
Referring to fig. 1, 2 and 3, in view of the above problems, an embodiment of the present invention provides a hydraulic output system 100 for a hillside tractor, which combines the features of low power output operation and high power output operation to well match the operation requirements of the hillside tractor.
The hydraulic output system 100 of the hillside tractor provided by the embodiment of the application is suitable for common hillside tractors and is also suitable for large-scale farming machines in other forms.
The following takes the mountain tractor 200 as an example, and specifically explains the construction form of the mountain tractor hydraulic output system 100.
The hillside tractor 200 includes a hillside tractor body 210 and a hillside tractor hydraulic output system 100. The mountain tractor body 210 comprises a diesel engine 211 and a transmission case 212, wherein the diesel engine 211 comprises a main output shaft 2111, the transmission case 212 comprises a secondary output shaft 2121, and an input shaft of the transmission case 212 is in transmission connection with the main output shaft 2111 of the diesel engine 211.
The hydraulic output system 100 of the hillside tractor comprises a first hydraulic output system 110 and a second hydraulic output system 120, wherein the power input end of the first hydraulic output system 110 is in transmission connection with a main output shaft 2111, and the power input end of the second hydraulic output system 120 is in transmission connection with a secondary output shaft 2121.
The first hydraulic output system 110 and the second hydraulic output system 120 are two separate hydraulic output systems, the first hydraulic output system 110 is driven by a main output shaft 2111 of the diesel engine 211, and hydraulic output is performed along with the operation of the diesel engine 211, so that hydraulic output is provided for an original low-power device. The second hydraulic output system 120 is driven by a secondary output shaft 2121 of the transmission case 212, and the rotating speed of the secondary output shaft 2121 relative to the main output shaft 2111 can be adjusted through a gear pair in the transmission case 212, so that the hydraulic output power of the second hydraulic output system 120 can be adjusted independently of the rotating speed of the main output shaft 2111 of the diesel engine 211, and a high-power hydraulic output function is achieved when the agricultural implement is required to be carried for operation.
In some embodiments of the present application, the first hydraulic output system 110 and the second hydraulic output system 120 share a common oil tank 140 to simplify the construction of the hillside tractor hydraulic output system 100.
In other embodiments, a separate tank may be associated with each hydraulic outlet system.
The component compositions of the first hydraulic output system 110 and the second hydraulic output system 120 and the connection forms thereof will be described in detail below.
The first hydraulic output system 110 includes a first oil inlet pipe 111, a first gear pump 112, a first multiplex valve 113, and a first output module 115. The first gear pump 112 is mounted on the main output shaft 2111, the oil inlet side of the first gear pump 112 is connected to the oil tank 140 through a first oil inlet pipe 111, the oil outlet side of the first gear pump 112 is connected to the oil inlet side of the first multi-way valve 113 through a first high pressure oil pipe 116, and the oil return side of the first multi-way valve 113 is connected to the oil tank 140 through a first oil return pipe 114. The power output end of the first multiplex valve 113 is communicated with a first output module 115.
The first gear pump 112 is driven by the main output shaft 2111 to rotate synchronously with the main output shaft 2111, oil is sucked from the oil tank 140, and high-pressure oil is input to the first multi-way valve 113 through the first high-pressure oil pipe 116, the power output end of the first multi-way valve 113 is connected with the first output module 115, and the first output module 115 is used for connecting low-power output components, such as cylinder lifting, an agricultural machinery steering mechanism and the like.
In some embodiments of the present application, the first output module 115 includes a diverter valve block 1151, a first lift cylinder 1152, and a second lift cylinder 1153, a power input of the diverter valve block 1151 is coupled to a power output of the first multiplex valve 113, the power output of the diverter valve block 1151 includes a first output 1154 and a second output 1155, the first lift cylinder 1152 is coupled to the first output 1154, and the second lift cylinder 1153 is coupled to the second output 1155.
Specifically, the first lift cylinder 1152 and the first output portion 1154 pass through the first oil pipe 1171
And a second oil pipe 1172, the first oil pipe 1171 supplies oil to the first lift cylinder 1152, and the second oil pipe 1172 is used for oil return. The second lift cylinder 1153 and the second output portion 1155 are connected through a third oil pipe 1173 and a fourth oil pipe 1174, the third oil pipe 1173 supplies oil to the second lift cylinder 1153, and the fourth oil pipe 1174 serves to return oil.
In other embodiments, the first output module 115 may also include a third output portion as another low power output standby interface.
The second hydraulic output system 120 includes a second oil inlet pipe 121, a second gear pump 122, a second multiplex valve 123, a second oil return pipe 124, and a second output module 125. The second gear pump 122 is mounted on the secondary output shaft 2121, an oil inlet side of the second gear pump 122 is connected to the oil tank 140 through a second oil inlet pipe 121, an oil outlet side of the second gear pump 122 is connected to an oil inlet side of the second multi-way valve 123 through a second high-pressure oil pipe 126, an oil return side of the second multi-way valve 123 is connected to the oil tank 140 through a second oil return pipe 124, and a power output end of the second multi-way valve 123 is communicated with the second output module 125.
The second gear pump 122 is driven by the secondary output shaft 2121 to rotate synchronously with the secondary output shaft 2121, the second gear pump 122 sucks oil from the oil tank 140 during rotation and inputs the high-pressure oil to the second multi-way valve 123 through the second high-pressure oil pipe 126, the power output end of the second multi-way valve 123 is connected with the second output module 125, and the second output module 125 is used for connecting with a high-power output component, such as a power shaft of an agricultural implement, such as a rotary cultivator, a weeding machine, a rear-drive trailer, and the like.
In some embodiments of the present application, the second output module 125 includes at least one quick-change coupler 1251 for coupling to agricultural implements of different sizes. For example, two quick-change connectors 1251 are provided, and the two quick-change connectors 1251 are mounted in parallel on the power output end of the second output module 125. Specifically, one of the quick-change couplings 1251 is connected to the second multiplex valve 123 via a fifth oil pipe 1271 and a sixth oil pipe 1272, and the other quick-change coupling 1251 is connected to the second multiplex valve 123 via a seventh oil pipe 1273 and an eighth oil pipe 1274.
In other embodiments, only one quick-change joint 1251 may be provided.
To achieve intermittent high power hydraulic output to avoid unnecessary work, the power input to the second gear pump 122 may be cut off or connected to achieve hydraulic output using the second gear pump 122 when only high power output is required.
In some embodiments of the present application, the hillside tractor hydraulic output system 100 further includes a control handle 130, the control handle 130 being used to control the connection of the secondary output shaft 2121 of the transmission 212 to the secondary input shaft 2122 such that the second gear pump 122 has a rotational state and a stopped state. When the second gear pump 122 is in a rotating state, the secondary output shaft 2121 is in transmission connection with the secondary input shaft 2122; when the second gear pump 122 is in the stopped state, the secondary output shaft 2121 is disconnected from the secondary input shaft 2122.
The control handle 130 is mounted on the transmission case 212, an intermediate transmission shaft is disposed in the transmission case 212, the intermediate transmission shaft is in transmission connection with the secondary input shaft 2122, the control handle 130 is mounted on the intermediate transmission shaft through a shifting fork mechanism, and the intermediate transmission shaft can be in transmission connection or disconnection with the secondary output shaft 2121 by operating the control handle 130.
In other embodiments, the intermittent output of the second hydraulic output system 120 may be realized by controlling the transmission connection or disconnection between the second gear pump 122 and the secondary output shaft 2121. Alternatively, the variable power hydraulic pressure output may be realized by adjusting the rotation speed ratio between the sub output shaft 2121 and the sub input shaft 2122 to adjust the rotation speed of the second gear pump 122.
In some embodiments of the present application, the mountain tractor hydraulic output system 100 further includes a first oil filter 151 and a second oil filter 152, the first oil filter 151 is mounted to the first oil inlet pipe 111, the second oil filter 152 is mounted to the second oil inlet pipe 121, and an oil filtering amount of the first oil filter 151 is smaller than an oil filtering amount of the second oil filter 152.
By reasonably matching the oil filtering amount of the first oil filter 151 and the second oil filter 152, the large flow of the second hydraulic output system 120 with large power output and the small flow of the first hydraulic output system 110 with small power output can be adapted, and the oil circuit is ensured to be clean.
In other embodiments, the first oil feed pipe 111 and the second oil feed pipe 121 may share one oil filter to simplify the oil passage configuration.
It should be noted that the first multi-way valve 113, the first output module 115, the second multi-way valve 123 and the second output module 125 are all fixed to the hillside tractor body 210, and the connection manner of the components and the hillside tractor body 210 belongs to the prior art, and the emphasis is placed herein on the improvement of the connection manner of the hydraulic output system, and the connection manner of the components and the hillside tractor body 210 is not further described.
Referring to fig. 1 and 4, the hydraulic output system 100 of the mountain tractor according to the embodiment of the present disclosure further includes a control module and an operation panel 160, the first multiplex valve 113 and the second multiplex valve 123 are electrically connected to the control module, and the operation panel 160 and the control handle 130 are disposed in the cab, so that a driver can conveniently control the on/off of the oil path and the state of the second gear pump 122.
The working principle of the hydraulic output system 100 of the hillside tractor in the embodiment of the application is as follows:
the first gear pump 112 is driven to synchronously rotate along with the rotation of the main output shaft 2111, the first gear pump 112 inputs high-pressure oil with small discharge quantity to the first multi-way valve 113, and the first multi-way valve 113 performs low-power hydraulic output through the first output module 115;
the control handle 130 is operated to adjust the second gear pump 122 to a rotating state, the second gear pump 122 rotates synchronously with the secondary output shaft 2121, the second gear pump 122 inputs high-pressure oil with large discharge capacity to the second multi-way valve 123, and the second multi-way valve 123 performs high-power hydraulic output through the second output module 125;
when a high power hydraulic output is not required, the control lever 130 is operated to adjust the second gear pump 122 to a stopped state.
The mountain tractor 200 in the embodiment of the present application includes the mountain tractor hydraulic output system 100, and includes the first hydraulic output system 110 and the second hydraulic output system 120, and it is able to use the first hydraulic output system 110 to maintain the original low power output operation function, and to use the second hydraulic output system 120 to perform the high power output operation, and the operation requirements of the mountain tractor 200 are well matched.
It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (9)
1. The utility model provides a hillside tractor hydraulic output system for install in hillside tractor, hillside tractor includes diesel engine and transmission case, the input shaft of transmission case is connected with the output shaft transmission of diesel engine, its characterized in that includes:
the power input end of the first hydraulic output system is in transmission connection with the output shaft of the diesel engine;
and the power input end of the second hydraulic output system is in transmission connection with the output shaft of the transmission case.
2. The hillside tractor hydraulic output system of claim 1, further comprising:
an oil tank;
the first hydraulic output system comprises a first oil inlet pipe and a first oil return pipe, the second hydraulic output system comprises a second oil inlet pipe and a second oil return pipe, and the first oil inlet pipe, the first oil return pipe, the second oil inlet pipe and the second oil return pipe are communicated with the oil tank.
3. The mountain tractor hydraulic output system of claim 2, wherein the first hydraulic output system comprises:
the first gear pump is arranged on an output shaft of the diesel engine, and the oil inlet side of the first gear pump is connected with the oil tank through the first oil inlet pipe;
the oil inlet side of the first multi-way valve is connected with the oil outlet side of the first gear pump, and the oil return side of the first multi-way valve is connected with the oil tank through the first oil return pipe;
and the first output module is connected with the power output end of the first multi-way valve.
4. The mountain tractor hydraulic output system of claim 3, wherein the first hydraulic output system further comprises:
the power input end of the shunt valve block is connected with the power output end of the first multi-way valve, and the power output end of the shunt valve block comprises a first output part and a second output part;
and the two lifting cylinders are respectively connected with the first output part and the second output part.
5. The mountain tractor hydraulic output system of claim 2, wherein the second hydraulic output system comprises:
the second gear pump is arranged on the output shaft of the transmission case, and the oil inlet side of the second gear pump is connected with the oil tank through the second oil inlet pipe;
the oil inlet side of the second multi-way valve is connected with the oil outlet side of the second gear pump, and the oil return side of the second multi-way valve is connected with the oil tank through a second oil return pipe;
and the second output module is connected with the power output end of the second multi-way valve.
6. The mountain tractor hydraulic output system of claim 5, wherein the second output module comprises at least one quick-change coupler.
7. The hillside tractor hydraulic output system of claim 5, further comprising a control handle for controlling a connection state of the output shaft of the transmission case and the input shaft such that the second gear pump has a rotating state and a stopped state;
when the second gear pump is in the rotating state, the output shaft of the transmission case is in transmission connection with the input shaft;
when the second gear pump is in a stopped state, the output shaft of the transmission case is disconnected from the input shaft.
8. The hillside tractor hydraulic output system of claim 2, further comprising:
a first oil filter mounted to the first oil inlet pipe;
a second oil filter mounted to the second oil inlet pipe;
the oil filtering amount of the first oil filter is smaller than that of the second oil filter.
9. A hillside tractor comprising a hillside tractor hydraulic output system as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121027238.5U CN214564626U (en) | 2021-05-13 | 2021-05-13 | Mountain tractor hydraulic output system and mountain tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121027238.5U CN214564626U (en) | 2021-05-13 | 2021-05-13 | Mountain tractor hydraulic output system and mountain tractor |
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| Publication Number | Publication Date |
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| CN214564626U true CN214564626U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121027238.5U Active CN214564626U (en) | 2021-05-13 | 2021-05-13 | Mountain tractor hydraulic output system and mountain tractor |
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| CN (1) | CN214564626U (en) |
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- 2021-05-13 CN CN202121027238.5U patent/CN214564626U/en active Active
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