CN215980205U - External independent transmission system for agricultural implement - Google Patents
External independent transmission system for agricultural implement Download PDFInfo
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- CN215980205U CN215980205U CN202122599132.9U CN202122599132U CN215980205U CN 215980205 U CN215980205 U CN 215980205U CN 202122599132 U CN202122599132 U CN 202122599132U CN 215980205 U CN215980205 U CN 215980205U
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- agricultural implement
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- transmission system
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Abstract
The utility model discloses an external independent transmission system for agricultural implements, which comprises a speed-up gear box and a dual gear pump, wherein the speed-up gear box is arranged on a universal transmission shaft of the agricultural implement, and the dual gear pump is arranged at the output end of the speed-up gear box. According to the external independent transmission system for the agricultural implement, the speed-up gear box is arranged on the universal transmission shaft, and the duplex gear pump is arranged at the output end of the speed-up gear box, so that the problem that the working rotating speed of the gear pump is too low can be solved. When the double gear pump is used, the speed-increasing gear box with the corresponding transmission ratio can be selected according to the rotating speed of an agricultural implement in an idling state to increase the working rotating speed of the double gear pump, and meanwhile, because the rotating speed of the double gear pump is increased, the discharge capacity of the speed-increasing gear pump can be reduced to achieve the same flow as before, so that the purchase price of the double gear pump is reduced, and meanwhile, the working performance, the flow lifting space and the service life of the double gear pump can be improved.
Description
Technical Field
The utility model relates to the technical field of transmission systems, in particular to an external independent transmission system for an agricultural implement, which is applied to various agricultural implements needing to realize action or walking by controlling a hydraulic oil cylinder and a hydraulic motor.
Background
The common agricultural implement transmission systems in the market at present mainly have two types, one is the transmission system of the agricultural implement itself, and the other is the external transmission system, but they all have certain limitations, and the specific introduction is as follows: the transmission system of the agricultural implement is only suitable for a few suspended agricultural implements such as a seeder, a rotary cultivator and the like because the hydraulic pump has small displacement and slow oil supply; when the agricultural implement is applied to agricultural machines such as a wood splitting machine, a rear digging and grabbing machine, a cantilever type mower and the like, a transmission system of the agricultural implement is not suitable for use, and the rotation speed of a hydraulic pump can be increased only by increasing an accelerator of the agricultural implement, so that the problem is solved by increasing the flow of the transmission system, fuel oil is wasted, the working efficiency is low, and great damage is caused to the use performance of the agricultural implement.
The external transmission system is mainly characterized in that a gear pump is directly connected to a power output shaft at the tail part of an agricultural implement through a fixed support and a conversion connecting shaft, then the gear pump is driven by the rotation of the power output shaft to suck oil from an oil tank on the rear agricultural implement, and pressure oil is transmitted to each control element and each execution element on the agricultural implement; because the power output shaft of agricultural implement is very low in rotational speed under the idle state, if we improve the rotational speed through the mode of increasing the throttle, we can meet the same problem with the transmission system of own, so we can only increase the discharge capacity of gear pump and improve the flow of transmission system, this kind of method not only is expensive but also the flow promotes the space and also can receive certain restriction, also can meet a lot of problems in the time of installation simultaneously, because the gear pump uses to the axiality requirement very high, must be within 0.1 millimeter, otherwise can cause the oil blanket to leak or other wearing and tearing aggravate, gear pump is under the operating condition that rotational speed is low, pressure is high, its internal leakage can sharply increase, cause the volumetric efficiency to reduce, thereby lead to the gear pump to generate heat seriously, finally influence the performance and the life of other components of gear pump and whole system.
Accordingly, there is a need for an external independent drive system for an agricultural implement that addresses the problems of the prior art.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides an external independent transmission system for agricultural implements, and aims to solve the problems that in the prior art, the rotating speed of a duplicate gear pump is too low and the requirement on installation accuracy is high when the agricultural implements are in an idle state, and meanwhile, the lifting space of the flow of the transmission system is increased.
In order to achieve the above purpose, the utility model provides the following technical scheme:
according to the utility model, the external independent transmission system for the agricultural implement comprises a speed-up gear box and a dual gear pump, wherein the speed-up gear box is installed on a universal transmission shaft of the agricultural implement, and the dual gear pump is installed at the output end of the speed-up gear box.
Further, the external independent transmission system for the agricultural implement further comprises an oil suction filter and an oil tank, wherein one end of the oil suction filter is connected with the oil tank, and the other end of the oil suction filter is connected with the duplicate gear pump.
Further, the external independent transmission system for the agricultural implement further comprises an air filter element, and the air filter element is arranged at one opening of the oil tank.
Further, an external independent transmission system for the agricultural implement further comprises an oil return filter, wherein the oil return filter is installed at the other opening of the oil tank and communicated with the oil tank.
Furthermore, the external independent transmission system for the agricultural implement further comprises a hydraulic oil cylinder, a reversing valve assembly and a gear motor, wherein the hydraulic oil cylinder is connected with the reversing valve assembly through a pipeline, and the gear motor is arranged on a pipeline connecting the double gear pump and the oil return filter.
Further, the number of the hydraulic oil cylinders is one or more.
Further, the external independent transmission system for the agricultural implement further comprises a pressure pipeline filter, and the pressure pipeline filter is arranged on a pipeline connected with the double gear pump and the reversing valve assembly.
Further, the external independent transmission system for the agricultural implement further comprises a cooling fan, and the cooling fan is arranged above the oil tank.
The utility model has the following advantages:
according to the external independent transmission system for the agricultural implement, the speed-up gear box is arranged on the universal transmission shaft, and the duplex gear pump is arranged at the output end of the speed-up gear box, so that the problem that the working rotating speed of the gear pump is too low can be solved. When the double gear pump is used, the speed-increasing gear box with the corresponding transmission ratio can be selected according to the rotating speed of an agricultural implement in an idle state to increase the working rotating speed of the double gear pump, and meanwhile, because the rotating speed of the double gear pump is increased, the discharge capacity of the speed-increasing gear pump can be reduced to achieve the same flow as before, so that the purchase price of the double gear pump is reduced, and meanwhile, the working performance, the flow increasing space and the service life of the double gear pump can be improved;
the problem of installation accuracy of the double gear pump is solved, and the installation coaxiality requirement of the double gear pump can be met only by controlling the machining accuracy of the speed-increasing gear box;
the universality of the duplicate gear pump is increased, the installation size of the output end of the speed increasing gear box is changed, the duplicate gear pump of the national standard can be used, and the duplicate gear pumps of other international standards such as European and American standards, German standards and the like can be used, so that the quality of products can be further improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic illustration of an externally independent drive system for an agricultural implement, according to an exemplary embodiment;
in the figure: 1. the device comprises a universal transmission shaft, 2, a speed-up gear box, 3, a duplicate gear pump, 4, an oil absorption filter, 5, an oil tank, 6, a cooling fan, 7, an air filter element, 8 and an oil return filter; 9. a pressure line filter; 10. a gear motor; 11. a diverter valve assembly; 12. a hydraulic cylinder.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. 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 invention.
According to the embodiment of the utility model, an external independent transmission system for an agricultural implement is provided, as shown in fig. 1, the external independent transmission system comprises a speed-increasing gear box 2 and a dual gear pump 3, wherein the speed-increasing gear box 2 is installed on a universal transmission shaft 1 of the agricultural implement, and the dual gear pump 3 is installed at the output end of the speed-increasing gear box 2.
According to the external independent transmission system for the agricultural implement, the speed-up gear box 2 is mounted on the universal transmission shaft 1, and the dual gear pump 3 is mounted at the output end of the speed-up gear box 2, so that the problem that the working rotating speed of the gear pump is too low can be solved. When in use, the speed increasing gear box 2 with corresponding transmission ratio can be selected according to the rotating speed of the agricultural implement in the idle state to increase the working rotating speed of the double gear pump 3, and simultaneously, because the rotating speed of the double gear pump 3 is increased, the discharge capacity of the double gear pump 3 can be reduced to reach the same flow as before, thereby reducing the purchase price of the double gear pump 3, and simultaneously, the working performance, the flow promoting space and the service life of the double gear pump 3 can be improved
The external independent transmission system for the agricultural implement further comprises an oil absorption filter 4 and an oil tank 5, wherein one end of the oil absorption filter 4 is connected with the oil tank 5, and the other end of the oil absorption filter 4 is connected with the dual gear pump 3. Through setting up oil absorption filter 4, can filter the hydraulic oil from 5 right side pipelines of oil tank, prevent in impurity entering pipeline and the oil tank 5 of hydraulic oil.
The farm implement can be a tractor or a mower and the like.
An external independent transmission system for agricultural implements further comprises an air filter element 7, wherein the air filter element 7 is arranged at one opening of the oil tank 5. Through setting up air filter 7, can filter the air that gets into oil tank 5, prevent to produce the pollution to hydraulic oil.
The utility model provides an external independent transmission system for agricultural implement still includes oil return filter 8, oil return filter 8 install in another opening part of oil tank 5, and with oil tank 5 intercommunication. Through setting up oil return filter 8, can filter the hydraulic oil that gets into the left side pipeline of oil tank 5, prevent that impurity from getting into in oil tank 5 and the pipeline. Both openings are provided on the top surface of the oil tank 5.
The external independent transmission system for the agricultural implement further comprises a hydraulic oil cylinder 12, a reversing valve assembly 11 and a gear motor 10, wherein the hydraulic oil cylinder 12 is connected with the reversing valve assembly 11 through a pipeline, and the gear motor 10 is arranged on a pipeline connecting the double gear pump 3 and the oil return filter 8. The number of the hydraulic oil cylinders 12 is one or more. The number of hydraulic rams 12 in fig. 1 is three and a plurality of hydraulic rams 12 may be operated simultaneously or individually.
The utility model provides an external independent transmission system for agricultural implement still includes pressure pipeline filter 9, pressure pipeline filter 9 sets up in connecting duplicate gear pump 3 with on the pipeline of switching-over valve assembly 11, filter the pipeline.
The external independent transmission system for the agricultural implement further comprises a cooling fan 6, wherein the cooling fan 6 is arranged above the oil tank 5. The hydraulic oil in the line is cooled by a cooling fan 6.
The external independent transmission system for the agricultural implement solves the problem of installation accuracy of the double gear pump 3, and can meet the installation coaxiality requirement of the double gear pump 3 only by controlling the machining accuracy of the speed-increasing gear box 2; the universality of the double gear pump 3 is increased, the installation size of the output end of the speed increasing gear box 2 is changed, the national standard double gear pump 3 can be used, and the double gear pumps 3 of other international standards such as European and American standards, German standards and the like can be used, so that the quality of products can be further improved.
Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.
Claims (7)
1. An external independent transmission system for agricultural implements is characterized by comprising a speed-increasing gear box, a dual gear pump, an oil absorption filter and an oil tank, wherein the speed-increasing gear box is mounted on a universal transmission shaft of the agricultural implement, and the dual gear pump is mounted at the output end of the speed-increasing gear box; one end of the oil absorption filter is connected with the oil tank, and the other end of the oil absorption filter is connected with the duplicate gear pump.
2. The external independent transmission system for an agricultural implement of claim 1 further comprising an air filter disposed at an opening of the oil tank.
3. The external independent transmission system for the agricultural implement of claim 2, further comprising an oil return filter, wherein the oil return filter is installed at another opening of the oil tank and is communicated with the oil tank.
4. The external independent transmission system for the agricultural implement of claim 3, further comprising a hydraulic cylinder, a reversing valve assembly and a gear motor, wherein the hydraulic cylinder is connected with the reversing valve assembly through a pipeline, and the gear motor is arranged on a pipeline connecting the double gear pump and the oil return filter.
5. The external independent transmission system for an agricultural implement of claim 4 wherein the number of hydraulic rams is one or more.
6. The external independent transmission system for an agricultural implement of claim 4 further comprising a pressure line filter disposed on a line connecting the dual gear pump and the reversing valve assembly.
7. The external independent transmission system for an agricultural implement of claim 1 further comprising a cooling fan disposed above the oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122599132.9U CN215980205U (en) | 2021-10-27 | 2021-10-27 | External independent transmission system for agricultural implement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122599132.9U CN215980205U (en) | 2021-10-27 | 2021-10-27 | External independent transmission system for agricultural implement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215980205U true CN215980205U (en) | 2022-03-08 |
Family
ID=80572286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122599132.9U Active CN215980205U (en) | 2021-10-27 | 2021-10-27 | External independent transmission system for agricultural implement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215980205U (en) |
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2021
- 2021-10-27 CN CN202122599132.9U patent/CN215980205U/en active Active
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