CN218543359U - Super-large-flow electro-hydraulic proportional valve - Google Patents
Super-large-flow electro-hydraulic proportional valve Download PDFInfo
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- CN218543359U CN218543359U CN202222738127.6U CN202222738127U CN218543359U CN 218543359 U CN218543359 U CN 218543359U CN 202222738127 U CN202222738127 U CN 202222738127U CN 218543359 U CN218543359 U CN 218543359U
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- hydraulic proportional
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model relates to a super large flow electric liquid proportional valve, on the wafer valve that the through flow is big, increase the single pole driving cylinder who sets up pilot valve control, utilize the electric liquid proportional control function of pilot valve, the single pole action of control driving cylinder, the flashboard is connected to the single pole that goes out, and the position of single pole motion is by the pilot valve instruction, therefore the switching of flashboard and the size of through flow are controlled by the pilot valve to realize the electric liquid proportional control of wafer valve. The utility model has the characteristics of the through flow is big, control is accurate, efficient, the usage is extensive etc.
Description
Technical Field
The utility model relates to a proportional valve especially relates to a super large flow electric liquid proportion wafer valve, belongs to hydraulic component manufacturing and designing technical field.
Background
The intelligent digitization is more and more widely applied to industrial production, the application process is usually realized by a hydraulic transmission mode, and hydraulic equipment is generally controlled by a hydraulic control loop to realize that the hydraulic equipment completes various actions. The main element in the control loop is a control valve, wherein the application of the electro-hydraulic proportional valve is the most critical, the electro-hydraulic proportional valve has high technical content and high manufacturing difficulty, the conventional electro-hydraulic proportional valve generally has small through flow, and the through flow diameter of the electro-hydraulic proportional valve on the market is generally below 150 mm. With the rapid development of industry, many devices need to adopt an electro-hydraulic proportional valve with large flow, and at present, people solve the problem that a plurality of electro-hydraulic proportional valves with small flow diameters are connected in parallel for use, so that the installation is troublesome, the occupied space is large, the investment is increased, and the flow effect is not ideal.
Disclosure of Invention
To the problem in the background art, the utility model provides a super large flow electric liquid proportional valve, on the high-pressure wafer valve that the through flow is big, the increase sets up electric liquid proportional control mechanism, realizes super large flow proportional control.
In order to realize the above-mentioned purpose, the utility model provides a following technical scheme, a super large flow electricity liquid proportional valve, including wafer valve and hydraulic control mechanism, the wafer valve includes valve body, valve gap and flashboard, valve gap and valve body fixed connection, its characterized in that:
the control mechanism comprises a pilot valve and a driving oil cylinder, the pilot valve is an electro-hydraulic proportional control valve, and the driving oil cylinder is a single-rod hydraulic cylinder;
the driving oil cylinder is arranged in the valve cover;
the pilot control valve controls the action of a single outlet rod, the single outlet rod is connected with the flashboard, and the single outlet rod drives the flashboard to a set position.
Preferably, the pilot valve is a three-position four-way electro-hydraulic proportional control valve.
In the design, a single-rod driving oil cylinder controlled by a pilot valve is additionally arranged on a flat valve with large flow capacity, the single-rod action of the driving oil cylinder is controlled by utilizing the electro-hydraulic proportional control function of the pilot valve, the single-rod is connected with a flashboard, and the movement position of the single-rod is instructed by the pilot valve, so that the opening and closing of the flashboard and the flow capacity are controlled by the pilot valve, and the electro-hydraulic proportional control of the flat valve is realized.
The utility model has the characteristics of the through flow is big, control is accurate, efficient, the usage is extensive etc.
Drawings
FIG. 1 is a schematic diagram of the left circuit of the pilot control valve showing the opening state of the electric brake plate,
FIG. 2 is a schematic diagram of the closed state of the electric shutter of the right path of the pilot control valve.
In the attached drawing, 1 is a valve body, 2 is a single-outlet rod, 3 is a piston, 4 is a valve cover, 5 is a flashboard, and 6 is a pilot control valve.
Detailed Description
As shown in the attached drawings, the gate plate 5 is arranged in the valve body 1, the gate plate 5 is provided with a through hole, when the gate plate is communicated with the through hole arranged on the valve body 1, the gate valve is opened, and when the gate valve is completely aligned, the flow rate is the maximum; the through-hole that is equipped with on the regulation flashboard 5 and the through-hole that is equipped with on the valve body 1 between the relative position, the size of the gate valve through-flow volume is adjusted. The valve cover 4 is fixedly connected with the valve body 1, a driving oil cylinder is arranged in the valve cover 4, a piston 3 in the driving oil cylinder is connected with the flashboard 5 through the single-outlet rod 2, the pilot control valve 6 is arranged on a hydraulic pipeline of the driving oil cylinder, and the pilot control valve 6 drives the piston in the oil cylinder to move.
As shown in the attached figure 1, a pilot control valve 6 is arranged at the left Lu Dedian, oil is fed into a rod cavity of a driving oil cylinder, a piston 3 moves upwards, a single rod 2 drives a gate plate 5 to move upwards, and a gate valve is opened. And adjusting the left circuit electrification time of the pilot control valve 6 to enable the piston 3 to drive the flashboard 5 to be in different positions, thereby realizing the adjustment of the through flow of the gate valve.
As shown in the attached figure 2, the right path of the pilot control valve 6 is electrified, oil enters a rodless cavity of the driving oil cylinder, the piston 3 descends, the single rod 2 drives the flashboard 5 to descend, and the gate valve is closed.
Claims (2)
1. The utility model provides a super large flow electric-hydraulic proportional valve, includes wafer valve and hydraulic control mechanism, the wafer valve includes valve body, valve gap and flashboard, valve gap and valve body fixed connection, its characterized in that:
the control mechanism comprises a pilot valve and a driving oil cylinder, the pilot valve is an electro-hydraulic proportional control valve, and the driving oil cylinder is a single-rod hydraulic cylinder;
the driving oil cylinder is arranged in the valve cover;
the pilot valve controls the action of a single outlet rod, the single outlet rod is connected with the flashboard, and the single outlet rod drives the flashboard to a set position.
2. The extra-large flow electro-hydraulic proportional valve of claim 1, wherein: the pilot valve is a three-position four-way electro-hydraulic proportional control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222738127.6U CN218543359U (en) | 2022-10-18 | 2022-10-18 | Super-large-flow electro-hydraulic proportional valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222738127.6U CN218543359U (en) | 2022-10-18 | 2022-10-18 | Super-large-flow electro-hydraulic proportional valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218543359U true CN218543359U (en) | 2023-02-28 |
Family
ID=85279762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222738127.6U Active CN218543359U (en) | 2022-10-18 | 2022-10-18 | Super-large-flow electro-hydraulic proportional valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218543359U (en) |
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2022
- 2022-10-18 CN CN202222738127.6U patent/CN218543359U/en active Active
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