CN-224200884-U - Harvester valve group

CN224200884UCN 224200884 UCN224200884 UCN 224200884UCN-224200884-U

Abstract

The utility model provides a harvester valve group, which comprises a flow dividing valve, a reversing valve and a safety valve, wherein the header reversing valve is connected with a header lifting mechanism through an oil pipe, the grain unloading reversing valve is connected with a grain unloading lifting mechanism through an oil pipe, the reel reversing valve is connected with a reel lifting mechanism through an oil pipe, the header safety valve is respectively connected with the header reversing valve and the flow dividing valve through an oil pipe, the grain unloading and reel safety valve is respectively connected with the grain unloading reversing valve and the flow dividing valve through the oil pipe, and the grain unloading reversing valve is connected with the reel reversing valve through the oil pipe. The utility model realizes the energy saving and lower cost of the valve bank, can reduce the energy consumption and the heat productivity, has simple operation, and really realizes the synchronous work of the function and the action of the valve bank.

Inventors

MA DONGDONG

Assignees

江苏沃得高新农业装备有限公司

Dates

Publication Date: 20260505
Application Date: 20250515

Claims (2)

1. The harvester valve group is characterized by comprising a flow dividing valve (1), a reversing valve and a safety valve, wherein one end of the flow dividing valve (1) is connected with an oil feeding pipeline (10) and divides the entering hydraulic oil; The reversing valve comprises a header reversing valve (2), a grain discharging reversing valve (3) and a reel reversing valve (4), wherein the header reversing valve (2) is connected with a header lifting mechanism (12) through an oil pipe, a hydraulic control one-way valve (9) and a first throttle valve (7) are further connected in series on the oil cylinder, the grain discharging reversing valve (3) is connected with a grain discharging lifting mechanism (13) through the oil pipe, the hydraulic control one-way valve (9) and the first throttle valve (7) are further connected in series on the oil cylinder, the reel reversing valve (4) is connected with a reel lifting mechanism (14) through the oil pipe, and the hydraulic control one-way valve (9) and the first throttle valve (7) are further connected in series on the oil pipe; The safety valve comprises a cutting table safety valve (5) and a grain discharging and reel safety valve (6), the cutting table safety valve (5) is connected with a cutting table reversing valve (2) and a diverter valve (1) through oil pipes respectively, the grain discharging and reel safety valve (6) is connected with a grain discharging reversing valve (3) and a diverter valve (1) through oil pipes respectively, the grain discharging reversing valve (3) is connected with a reel reversing valve (4) through oil pipes, the cutting table safety valve (5) and the oil outlet ends of the grain discharging and reel safety valve (6) are connected with an oil return pipeline (11) through oil pipes, and the cutting table reversing valve (2) and the reel reversing valve (4) are connected with the oil return pipeline (11) through oil pipes.
2. The harvester valve group according to claim 1, further comprising a second throttle valve (8), wherein the second throttle valve (8) is respectively arranged at one side of the header reversing valve (2), the grain discharging reversing valve (3) and the reel reversing valve (4), the second throttle valve (8) at one side of the header reversing valve (2) is respectively connected with the header reversing valve (2), the hydraulic control one-way valve (9) and the oil return pipeline (11) through oil pipes, the second throttle valve (8) at one side of the grain discharging reversing valve (3) is respectively connected with the grain discharging reversing valve (3), the hydraulic control one-way valve (9) and the oil return pipeline (11) through oil pipes, and the second throttle valve (8) at one side of the reel reversing valve (4) is respectively connected with the reel reversing valve (4), the hydraulic control one-way valve (9) and the oil return pipeline (11) through oil pipes.

Description

Harvester valve group Technical Field The utility model relates to the technical field of agricultural machinery, in particular to a valve bank of a harvester. Background Along with the continuous improvement of the agricultural mechanical degree, the electric control hydraulic system becomes the main stream of the market, and in order to improve the product competitiveness, when the parallel electric control valve group and the functions in the market work simultaneously, the parallel electric control valve group and the functions are affected by loads, have sequential actions and cannot realize complete synchronization, so the hydraulic system in the market is redesigned. Disclosure of utility model The present utility model aims to provide a harvester valve block that overcomes or at least partially solves the above-mentioned problems. In order to achieve the above purpose, the technical scheme of the utility model is specifically realized as follows: The utility model provides a harvester valve group which comprises a flow dividing valve, a reversing valve and a safety valve, wherein one end of the flow dividing valve is connected with an oil feeding pipeline and divides the entering hydraulic oil. The reversing valve comprises a header reversing valve, a grain discharging reversing valve and a reel reversing valve, wherein the header reversing valve is connected with a header lifting mechanism through an oil pipe, a hydraulic control one-way valve and a first throttle valve are further connected in series on the oil cylinder, the grain discharging reversing valve is connected with the grain discharging lifting mechanism through the oil pipe, the hydraulic control one-way valve and the first throttle valve are further connected in series on the oil cylinder, the reel reversing valve is connected with the reel lifting mechanism through the oil pipe, and the hydraulic control one-way valve and the first throttle valve are further connected in series on the oil pipe. The safety valve comprises a header safety valve and a grain discharging and reel safety valve, the header safety valve is connected with the header reversing valve and the diverter valve through oil pipes respectively, the grain discharging and reel safety valve is connected with the grain discharging reversing valve and the diverter valve through oil pipes respectively, the grain discharging reversing valve is connected with the reel reversing valve through oil pipes, the header safety valve and the oil outlet ends of the grain discharging and reel safety valve are connected with an oil return pipeline through oil pipes, and the header reversing valve and the reel reversing valve are connected with the oil return pipeline through oil pipes. The utility model further provides a second throttle valve, which is respectively arranged at one side of the cutting table reversing valve, the grain discharging reversing valve and the reel reversing valve, the second throttle valve at one side of the cutting table reversing valve is respectively connected with the cutting table reversing valve, the hydraulic control one-way valve and the oil return pipeline through oil pipes, the second throttle valve at one side of the grain discharging reversing valve is respectively connected with the grain discharging reversing valve, the hydraulic control one-way valve and the oil return pipeline through oil pipes, and the second throttle valve at one side of the reel reversing valve is respectively connected with the reel reversing valve, the hydraulic control one-way valve and the oil return pipeline through oil pipes. The utility model provides a harvester valve group, which has the beneficial effects that: The flow of the hydraulic system is divided into two parts through the synchronous flow dividing valve and is not influenced by external load, two paths of the hydraulic system are respectively provided with a safety valve, independent pressure is respectively arranged according to the actual demands of all parts of the whole machine, so that the energy consumption is reduced, the heating value is reduced, the power output can be reduced, the heating value is reduced at the same time due to reasonable design of the second throttle valve, the valve bank is energy-saving and low in cost, the energy consumption can be reduced, the heating value is reduced, the operation is simple, and the valve bank really realizes synchronous operation of functional actions. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Fig. 1 is a schematic structural view of the pr