CN217559061U - Super large flow control valve - Google Patents
Super large flow control valve Download PDFInfo
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- CN217559061U CN217559061U CN202220771868.1U CN202220771868U CN217559061U CN 217559061 U CN217559061 U CN 217559061U CN 202220771868 U CN202220771868 U CN 202220771868U CN 217559061 U CN217559061 U CN 217559061U
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Abstract
The utility model relates to a super large flow control valve, this governing valve set up multirow through-flow hole on the valve body, and every row of through-flow hole sets up the multilayer, and every row of multilayer through-flow hole is linked together with the ring channel that corresponds, forms a set of liquid flow channel, and the setting of multirow multilayer has increased the through-flow volume. The two ends of the valve core are clamped by one end of a single rod of the servo oil cylinder and one end of the spring, the single rod of the servo oil cylinder acts under the control of the servo valve, and the servo valve acts according to a signal of the position sensor, so that the purpose of fine control of the ultra-large through flow of the high-pressure regulating valve is achieved. The utility model has the advantages of the flow is big, and control efficiency is high, response speed is fast and adjust reliably etc.
Description
Technical Field
The utility model relates to a flow control valve especially relates to a high-pressure regulating valve of super large flow, belongs to hydraulic components and parts manufacturing and designing technical field.
Background
In industrial production, hydraulic transmission is very commonly applied. Hydraulic power is transmitted through a pipeline, and in order to realize various actions of hydraulic equipment, various control valves are arranged on the hydraulic pipeline. Along with the rapid development of automation and intelligence, high-pressure and ultra-high-flow hydraulic equipment is widely applied, and the demand on a high-pressure regulating valve with ultra-high flow is increased. At present, the largest through-flow diameter at home and abroad can only be below 150 mm, no super-large-flow high-pressure regulating valve exists, and a plurality of high-flow high-pressure regulating valves are often used in parallel in order to solve the problem of super-large-flow regulation in a high-pressure state. For example, a 6300MN free forging machine usually adopts 3-8 flow control valves with the diameter of 150 millimeters to be used in parallel, the manufacturing cost is extremely high at , the device is extremely complex, and the development of modern high and new technical equipment is severely restricted.
Disclosure of Invention
Problem to the background art provides, the utility model provides a super large flow control valve sets multiunit flow channel to the main valve plug-in components of multistage combination control valve, realizes the purpose of increase through flow.
The utility model discloses a following technical scheme implements, a super large flow control valve, include: the valve comprises a valve body, a valve core and a control device, wherein the valve core is arranged in an inner cavity of the valve body, the control device comprises a servo valve and a servo oil cylinder, the servo valve controls a piston rod of the servo oil cylinder to reciprocate, and the piston rod drives the valve core to reciprocate in the inner cavity of the valve body, and the valve is characterized in that:
the outer side of the inner cavity of the valve body is provided with a liquid inlet channel and a liquid outlet channel along the axis direction, through flow holes are arranged between the liquid inlet channel and the inner cavity of the valve body and between the liquid outlet channel and the inner cavity of the valve body, at least three rows of the through flow holes are arranged, and at least two layers of the through flow holes are arranged in each row;
the valve core is provided with annular grooves with the same number as the rows of the through-flow holes, and one row of the through-flow holes corresponds to and is communicated with one annular groove.
Preferably, the distance between the annular grooves is greater than 10-20% of the width of the annular grooves.
Furthermore, the sum of the cross sections of the through holes of each row of inlet liquid or the through holes of each row of outlet liquid is larger than or equal to the cross section of the through flow of the annular groove communicated with the through flow of each row of inlet liquid or the through flow of each row of outlet liquid.
Furthermore, the sectional area of the liquid inlet channel is larger than the sum of the sectional areas of all liquid inlet through holes by 3-15%.
Furthermore, the sectional area of the liquid outlet channel is larger than the sum of the sectional areas of the through holes of all the liquid outlets by 3-15%.
According to the invention, the valve body is provided with a plurality of rows of through holes, each row of through holes is provided with a plurality of layers, each row of the plurality of layers of through holes are communicated with the corresponding annular groove to form a group of liquid flow channels, and the through flow is increased by arranging the plurality of rows of the plurality of layers. The two ends of the valve core are clamped by one end of a single rod of the servo oil cylinder and one end of the spring, the single rod of the servo oil cylinder acts under the control of the servo valve, and the servo valve acts according to a signal of the position sensor, so that the purpose of fine control of the ultra-large through flow of the high-pressure regulating valve is achieved.
The utility model has the advantages of the flow is big, and control efficiency is high, response speed is fast and adjust reliably etc.
Drawings
FIG. 1 is a schematic view of the main sectional structure of the present invention in a through-flow state;
FIG. 2 isbase:Sub>A schematic view of the cross-sectional structure A-A of FIG. 1;
fig. 3 is the main sectional structure diagram of the closed state of the present invention.
In the attached drawings 1, 2 and 3, 1 is a valve body, 2 is an end cover, 3 is a servo oil cylinder, 4 is a sensor, 5 is a servo valve, 6 is a valve core, 7 is a spring, 8 is an oil inlet pipe, 9 is an oil outlet pipe, 101 is an oil inlet channel, 102 is an oil outlet channel, 103 is a through flow hole, 301 is a single outlet rod, and 601 is an annular groove.
Detailed Description
Fig. 1, 2, and 3 show an embodiment of four annular grooves 601 of the four-row through-hole 103, in fig. 1, a single-outlet rod 301 penetrates through an end cover 2 to extrude a valve core 6, an oil inlet channel 101 and an oil outlet channel 102 are arranged on a side wall of a valve body 1, the four-row through-hole 103 is arranged between the oil inlet channel 101 and the oil outlet channel 102 and an inner cavity of the valve body 1, the oil inlet channel 101 and the oil outlet channel 102 are communicated with the inner cavity of the valve body 1, an oil inlet pipe 8 feeds oil into the oil inlet channel 101, and then the oil is fed into the oil outlet channel through the through-hole 103 and the annular groove 601 and enters an oil outlet pipe 9. The servo valve 5 controls the single rod 301 in the servo oil cylinder 3 to push the valve core 6, so that the annular groove 601 on the valve core 6 is communicated with the through flow hole 103, the sensor 4 transmits a position signal to the control device of the servo valve 5, the control device of the servo valve 5 instructs the servo oil cylinder 3 to act according to the signal of the sensor 4 and a set value, when the annular groove 601 is completely communicated with the through flow hole 103, the flow rate is maximum, and the control valve is completely opened. The servo valve 5 controls the single rod 301 in the servo oil cylinder 3 to move in a reverse direction, the spring 7 pushes the valve core 6, the area of the annular groove 601 in the valve core 6, which is communicated with the through flow hole 103, is reduced, when the annular groove 601 is not communicated with the through flow hole 103 at all, the through flow is zero, and the control valve is closed.
Claims (5)
1. A super large flow regulator valve comprising: the valve comprises a valve body, a valve core and a control device, wherein the valve core is arranged in an inner cavity of the valve body, the control device comprises a servo valve and a servo oil cylinder, the servo valve controls a piston rod of the servo oil cylinder to reciprocate, and the piston rod drives the valve core to reciprocate in the inner cavity of the valve body, and the valve is characterized in that:
the outer side of the inner cavity of the valve body is provided with a liquid inlet channel and a liquid outlet channel along the axis direction, through flow holes are arranged between the liquid inlet channel and the inner cavity of the valve body and between the liquid outlet channel and the inner cavity of the valve body, at least three rows of the through flow holes are arranged, and at least two layers of the through flow holes are arranged in each row;
the valve core is provided with annular grooves with the same number as the rows of the through-flow holes, and one row of the through-flow holes corresponds to and is communicated with one annular groove.
2. The ultra-large flow control valve of claim 1, wherein: the distance between the annular grooves is 10-20% larger than the width of the annular grooves.
3. The ultra-large flow control valve of claim 1, wherein: the sum of the cross sections of the through holes of each row of inlet liquid or the through holes of each row of outlet liquid is larger than or equal to the cross section of the through flow of the annular groove communicated with the through flow of each row of inlet liquid or the through flow of each row of outlet liquid.
4. The ultra-large flow control valve of claim 1, wherein: the sectional area of the liquid inlet channel is 3-15% of the sum of the sectional areas of all liquid inlet through holes.
5. The ultra-large flow control valve of claim 1, wherein: the sectional area of the liquid outlet channel is 3-15% larger than the sum of the sectional areas of the through holes for discharging liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220771868.1U CN217559061U (en) | 2022-04-06 | 2022-04-06 | Super large flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220771868.1U CN217559061U (en) | 2022-04-06 | 2022-04-06 | Super large flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217559061U true CN217559061U (en) | 2022-10-11 |
Family
ID=83471321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220771868.1U Active CN217559061U (en) | 2022-04-06 | 2022-04-06 | Super large flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217559061U (en) |
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2022
- 2022-04-06 CN CN202220771868.1U patent/CN217559061U/en active Active
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