CN203691980U - Harvester - Google Patents
Harvester Download PDFInfo
- Publication number
- CN203691980U CN203691980U CN201420051252.2U CN201420051252U CN203691980U CN 203691980 U CN203691980 U CN 203691980U CN 201420051252 U CN201420051252 U CN 201420051252U CN 203691980 U CN203691980 U CN 203691980U
- Authority
- CN
- China
- Prior art keywords
- reversing valve
- way reversing
- motor
- grain header
- oil
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a harvester. The harvester comprises a cutting table driven and controlled by a chassis hydraulic system, a lower cutter and a caterpillar band. The chassis hydraulic system comprises a filter arranged on an oil inlet pipeline, a double-linkage gear pump connected with an oil trough through the filter, a first two-way reversing valve with one end connected with an oil outlet of the double-linkage gear pump, a second two-way reversing valve with one end connected with the other oil outlet of the double-linkage gear pump, a left traveling motor, a right traveling motor, a lower cutter motor, a cutting table oil cylinder and a hydraulic cooler. The left traveling motor and the right traveling motor are respectively connected with the other end of the first two-way reversing valve, the lower cutter motor and the cutting table oil cylinder are respectively connected with the other end of the second two-way reversing valve, and the hydraulic cooler is arranged on an oil returning pipeline. The chassis hydraulic system of the harvester can achieve stepless speed change, the hydraulic system is safe and reliable, and operation is quite simple and flexible.
Description
Technical field
The utility model belongs to farm machinery technical field, is specifically related to a kind of grain header.
Background technology
Combine has had the paddy rice of cutting off, and paddy rice is transported to threshing chamber departs from, and then the grain of taking off is carried, is cleaned and finally pack grain sack into and by the function outside the rice straw discharge machine after threshing through row.Grain header executive component mainly comprises the lifting platform of the crawler belt of the use of walking and cropping knife, cropping knife etc., and the driving of this executive component is mainly to rely on the gear-box on chassis to carry out transferring power.In use, gear-box runs in load fluctuation situation and easily engage a gear inefficacy, gear failure and cannot realize the problems such as electrodeless variable-speed.It is also to adopt more common linkage to carry out transmission that the lower cutter of grain header drives, but easily occurs connecting rod cracking phenomenon.
Utility model content
The utility model provides a kind of grain header, and the hydraulic system of chassis of this grain header, the in the situation that of load fluctuation, utilizes hydraulic system flexibility, stability characteristic (quality) to improve the reliability of grain header.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of grain header, comprises by hydraulic system of chassis and drives the ceding of Taiwan, lower cutter and the crawler belt controlled, and described hydraulic system of chassis comprises:
Filter, is arranged on in-line;
Duplex gear pump, is connected with oil groove by filter;
The one or two way reversing valve, an oil-out of one end and duplex gear pump is connected;
The two or two way reversing valve, another oil-out of one end and duplex gear pump is connected;
Left running motor and right running motor, be connected with the one or the two way reversing valve other end respectively;
Lower cutter motor and ceding of Taiwan oil cylinder, be connected with the two or the two way reversing valve other end respectively;
Hydraulic cooler, is arranged on return line.
As scheme preferably, the one or two described way reversing valve comprises two three six-way valves, connects respectively and drives left running motor and right running motor.
As scheme preferably, the two or two described way reversing valve comprises two three six-way valves, connects respectively and drives down cutter motor and ceding of Taiwan oil cylinder.
As scheme preferably, in the one or two described way reversing valve loop, be provided with pressure-reducing valve.
As scheme preferably, in the two or two described way reversing valve loop, be provided with pressure-reducing valve.
As scheme preferably, described left running motor, right running motor and lower cutter motor are two-way quantitative hydraulic motor.
As scheme preferably, the one or two described way reversing valve is two three six logical hand control valves.
As scheme preferably, the two or two described way reversing valve is two three six logical hand control valves.
Owing to having adopted technique scheme, the beneficial effects of the utility model are:
Grain header of the present utility model, adopts the mode of hydraulic pressure to drive grain header running motor and cutter motor, can realize infinitely variable speeds, reduces labor intensity, and increases work efficiency higher with functional reliability and safety coefficient, operates very simple and flexible.
Accompanying drawing explanation
Fig. 1 is hydraulic system of harvesting machine figure of the present utility model.
Fig. 2 is grain header front view of the present utility model.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is grain header structural representation of the present utility model.
Fig. 5 is the B portion enlarged drawing of Fig. 4.
Mark in figure: 1-filter, 2-duplex gear pump, 3-the two or two way reversing valve, cutter motor under 4-, 5-ceding of Taiwan oil cylinder, 6-the one or two way reversing valve, the left running motor of 7-, the right running motor of 8-, 9-hydraulic cooler, 10-oil groove, cutter under 11-, the 12-ceding of Taiwan, 13-crawler belt.
Embodiment
With reference to Fig. 1, harvester chassis hydraulic system, comprise the oil groove 10, filter 1, the duplex gear pump 2 that connect successively, oil circuit is assigned to the one or two way reversing valve the 6 and the 22 way reversing valve 3 by duplex gear pump 2, connect respectively again and drive left running motor 7 and right running motor 8, the two or two way reversing valves 3 to connect respectively again and drive down cutter motor 4 and ceding of Taiwan oil cylinder 5 by the one or two way reversing valve 6.The return line of the one or two way reversing valve 6 and the two or two way reversing valve 3 is connected hydraulic cooler 9 again, then takes back oil groove 10.The one or two way reversing valve the 6 and the 22 way reversing valve 3 is all made up of two three six logical hand control valves, and is connected with pressure-reducing valve on oil circuit therein.The oil return opening of the one or two way reversing valve 6 and the two or two way reversing valve 3 is connected to hydraulic cooler 9, finally connects oil groove 10 and realizes oil return.Ceding of Taiwan oil cylinder 5 is realized oil return by the ceding of Taiwan 12 own wts.Left running motor 7, right running motor 8 and lower cutter motor 4 are two-way quantitative hydraulic motor.
With reference to Fig. 2-5, grain header critical piece comprises the ceding of Taiwan 12, lower cutter 11 and crawler belt 13, respectively by ceding of Taiwan oil cylinder 5, lower cutter motor 4, and left running motor 7 and right running motor 8 drive, and driven and controlled by above-mentioned harvester chassis hydraulic system.
The in-line of hydraulic system, first provide power by duplex gear pump 2, by filter 1, the hydraulic oil transmission in oil groove 10 is got up, by duplex gear pump 2, oil circuit is delivered to respectively to the one or two way reversing valve the 6 and the 22 way reversing valve 3 again, be delivered to respectively four three six logical hand control valves, then control respectively left running motor 7, right running motor 8, lower cutter motor 4 and ceding of Taiwan oil cylinder 5 by three six-way valves respectively.In the loop of the one or two way reversing valve 6 and the two or two way reversing valve 3, be respectively equipped with pressure-reducing valve, guarantee that the oil pressure of hydraulic system is stable.The action of the main responsible grain header of left running motor 7 left side crawler belt 13, the action that right running motor 8 is responsible for grain header the right crawler belt 13, the main spinning movement of being responsible for cropping knife of lower cutter motor 4, ceding of Taiwan oil cylinder 5 is mainly responsible for moving up and down of cropping knifes.Left running motor 7 and right running motor 8 are controlled separately, can realize advancing, retreat, turn left and the action of turning right of grain header, flexible.
Claims (8)
1. a grain header, comprises by hydraulic system of chassis and drives the ceding of Taiwan (12), lower cutter (11) and the crawler belt (13) controlled, and it is characterized in that, described hydraulic system of chassis comprises:
Filter (1), is arranged on in-line;
Duplex gear pump (2), is connected with oil groove (10) by filter (1);
The one or two way reversing valve (6), one end is connected with an oil-out of duplex gear pump (2);
The two or two way reversing valve (3), one end is connected with another oil-out of duplex gear pump (2);
Left running motor (7) and right running motor (8), be connected with the one or two way reversing valve (6) other end respectively;
Lower cutter motor (4) and ceding of Taiwan oil cylinder (5), be connected with the two or two way reversing valve (3) other end respectively;
Hydraulic cooler (9), is arranged on return line.
2. grain header according to claim 1, is characterized in that, the one or two described way reversing valve (6) comprises two three six-way valves, connects respectively and drives left running motor (7) and right running motor (8).
3. grain header according to claim 1, is characterized in that, the two or two described way reversing valve (3) comprises two three six-way valves, connects respectively and drives down cutter motor (4) and ceding of Taiwan oil cylinder (5).
4. grain header according to claim 1, is characterized in that, in the one or two described way reversing valve (6) loop, is provided with pressure-reducing valve.
5. grain header according to claim 1, is characterized in that, in the two or two described way reversing valve (3) loop, is provided with pressure-reducing valve.
6. grain header according to claim 1, is characterized in that, described left running motor (7), right running motor (8) and lower cutter motor (4) are two-way quantitative hydraulic motor.
7. grain header according to claim 2, is characterized in that, the one or two described way reversing valve (6) is two three six logical hand control valves.
8. grain header according to claim 3, is characterized in that, the two or two described way reversing valve (3) is two three six logical hand control valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051252.2U CN203691980U (en) | 2014-01-26 | 2014-01-26 | Harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051252.2U CN203691980U (en) | 2014-01-26 | 2014-01-26 | Harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203691980U true CN203691980U (en) | 2014-07-09 |
Family
ID=51042512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420051252.2U Expired - Fee Related CN203691980U (en) | 2014-01-26 | 2014-01-26 | Harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203691980U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105165263A (en) * | 2015-06-15 | 2015-12-23 | 柏正球 | Wheat harvester with hydraulic transmission device and harvesting method thereof |
-
2014
- 2014-01-26 CN CN201420051252.2U patent/CN203691980U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105165263A (en) * | 2015-06-15 | 2015-12-23 | 柏正球 | Wheat harvester with hydraulic transmission device and harvesting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20160126 |
|
| EXPY | Termination of patent right or utility model |