Transmission case
A technology of transmission box and transmission control, applied in the field of transmission box, can solve the problems of danger, poor controllability, fast turning speed, etc.
Active Publication Date: 2017-06-30
XINGGUANG AGRI MACHINERY
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Problems solved by technology
[0006] In the first control mode, the driver needs to switch between the three joysticks, which is obviously very poor for the driver with only two hands.
[0007] The second control method can only turn at the same speed on the spot: the two crawler wheels rotate at the same speed and opposite to realize the steering, and after the steering ends, the track wheels cannot automatically return to the driving speed before the steering. Fast, more dangerous, and driving experience
Method used
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Embodiment 1
[0038] Such as Figure 9-15 Shown is a transmission control system for a crawler harvester with hydraulic transmission. Including motor one 1a driving the first crawler wheel of the harvester, motor two 1b driving the second crawler wheel of the harvester, hydraulic pump 2, engine 3, transmission box 4, and a speed change push rod 5 for controlling the harvester to move forward and backward , The steering wheel operating lever 6 that is used to control turning of harvester.
[0039] The hydraulic pump 2 is a duplex hydraulic pump, which is driven by the engine 3 to inhale oil from the hydraulic oil tank to form pressurized oil and discharge it to motor one 1a and motor two 1b respectively. The hydraulic pump 2 includes a first pump control board 2a corresponding to control motor one 1a and a second pump control board 2b corresponding to control motor two 1b. The first pump control board 2a and the second pump control board 2b are relatively arranged on the top of the hydraul...
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The invention relates to a transmission case, which comprises a case body formed by an upper case cover and a lower case body, a first transmission control structure, a second transmission control structure, and a transmission assembly arranged in the case body, wherein the first transmission control structure and the second transmission control structure are arranged on the upper case cover; the transmission assembly is in transmission connection with a variable speed control input structure and a variable speed control output structure; the transmission assembly is in transmission connection with a steering control input structure and a steering control output structure; the first transmission control structure comprises a first transmission control part and a first transmission control rotating shaft; the second transmission control structure comprises a second transmission control part and a second transmission control rotating shaft; the variable speed control input structure drives the first transmission control part and the second transmission control part to rotate for the same angle around respective transmission control shafts and the rotation direction of the first transmission control part is opposite to that of the second transmission control part; the steering control input structure is capable of driving one of the first transmission control part and the second transmission control part to rotate around the corresponding transmission control rotating shaft and simultaneously keeping the other transmission control part still.
Description
technical field [0001] The invention relates to a transmission box, in particular to a transmission box used for a transmission system of a crawler row harvester. Background technique [0002] Compared with the wheels, the track has a larger contact area with the ground and less force per unit area, making the vehicle not easy to sink, so it will not damage the bottom of the plow, and has good walking performance in paddy fields, so it is widely used in agricultural machinery, such as harvesters , cultivating machines, etc. A crawler harvester with hydraulic transmission, the transmission control system of which includes a hydraulic pump. The hydraulic pump is driven by the engine, sucks oil from the hydraulic tank, forms pressure oil and discharges it to the motor that controls the two crawler wheels, so as to realize the walking control of the harvester. The existing hydraulic drive crawler harvester, by controlling the two motors to rotate at the same speed and directio...
Claims
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IPC IPC(8): A01D69/06F16H57/021F16H39/04
CPCA01D69/06F16H39/04F16H57/021
Inventor 章呈杰陆利强金卫星张福祥
Owner XINGGUANG AGRI MACHINERY