CN220687713U - Multi-connected hydraulic valve group assembly - Google Patents

Multi-connected hydraulic valve group assembly Download PDF

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Publication number
CN220687713U
CN220687713U CN202322188200.1U CN202322188200U CN220687713U CN 220687713 U CN220687713 U CN 220687713U CN 202322188200 U CN202322188200 U CN 202322188200U CN 220687713 U CN220687713 U CN 220687713U
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valve
oil
way
hydraulic
cylinder
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CN202322188200.1U
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卫旭龙
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Taiyuan Heavy Machinery Group Yuci Hydraulic Industry Co ltd
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Taiyuan Heavy Machinery Group Yuci Hydraulic Industry Co ltd
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Abstract

The utility model belongs to the technical field of hydraulic systems, and particularly discloses a multi-connected hydraulic valve group assembly which comprises a valve block, wherein a plurality of groups of first oil cylinder hydraulic valve groups and a plurality of groups of second oil cylinder hydraulic valve groups are arranged on the valve block, each first oil cylinder hydraulic valve group comprises a first plug-in type pressure reducing valve, an electromagnetic reversing valve, a stacked hydraulic control one-way valve, a stacked one-way throttle valve and a first oil cylinder which are sequentially connected, each second oil cylinder hydraulic valve group comprises a second plug-in type pressure reducing valve, a plug-in type one-way valve, an electromagnetic ball valve and a second oil cylinder which are sequentially connected, each first plug-in type pressure reducing valve is communicated with a first oil inlet passage, each second plug-in type pressure reducing valve is communicated with a second oil inlet passage, and the working operation of each first oil inlet passage and each second oil inlet passage is not influenced. By installing the four groups of oil cylinder hydraulic valve groups on one valve block, the structure assembly of the 4-linkage hydraulic valve group is realized, so that the whole structure has the characteristics of integration and miniaturization, occupies less use area and is more suitable for practical application.

Description

Multi-connected hydraulic valve group assembly
Technical Field
The utility model relates to the technical field of hydraulic systems, in particular to a multi-connected hydraulic valve group assembly.
Background
The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). When hydraulic oil is introduced into a cylinder inlet of the hydraulic cylinder, the hydraulic oil comes out from a cylinder withdrawal oil outlet of the hydraulic cylinder, so that the extending action of the hydraulic cylinder is completed; when hydraulic oil is introduced into the cylinder withdrawing oil port of the hydraulic oil cylinder, the hydraulic oil comes out of the cylinder inlet port of the hydraulic oil cylinder, so that the retraction action of the hydraulic oil cylinder is completed.
At present, when a plurality of hydraulic cylinders are extended or retracted, a plurality of groups of hydraulic valve groups are required to work corresponding to the plurality of hydraulic cylinders respectively, and the hydraulic valve groups do not have integrated structural optimization, so that the overall structure formed by different hydraulic valve groups can cause disordered, large and heavy feeling visually, and further the occupied area is more in use, and the hydraulic valve groups cannot be suitable for more practical application environments.
It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the utility model and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.
Disclosure of Invention
The technical problem to be solved by the utility model is that a plurality of groups of hydraulic valve groups in the background technology are not integrated into a whole for structural optimization, and therefore, the utility model provides a multi-connected hydraulic valve group assembly.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a multi-connected hydraulic valve group assembly, includes the valve piece, install multiunit first hydro-cylinder hydraulic valve group and multiunit second hydro-cylinder hydraulic valve group on the valve piece, first hydro-cylinder hydraulic valve group is including first cartridge formula relief pressure valve, electromagnetic reversing valve, stack formula hydraulically controlled check valve, stack formula one-way choke valve and first hydro-cylinder that connect gradually, second hydro-cylinder hydraulic valve group is including second cartridge formula relief pressure valve, cartridge formula one-way valve, electromagnetic ball valve and the second hydro-cylinder that connect gradually, first cartridge formula relief pressure valve intercommunication has first oil feed passageway, second cartridge formula relief pressure valve intercommunication has the second oil feed passageway, first oil feed passageway with the work operation of second oil feed passageway does not influence each other.
The following is a technical scheme for further defining the stacked hydraulic control check valve and the connection relation thereof, wherein the stacked hydraulic control check valve comprises a first hydraulic control check valve and a second hydraulic control check valve, a control oil circuit of the first hydraulic control check valve is connected to an inlet pipeline of the second hydraulic control check valve, and a control oil circuit of the second hydraulic control check valve is connected to an inlet pipeline of the first hydraulic control check valve.
The following is a technical scheme for further defining a stacked one-way throttle valve, wherein the stacked one-way throttle valve comprises a first one-way throttle valve and a second one-way throttle valve, and the first one-way throttle valve and the second one-way throttle valve both comprise one-way valves and throttle valves with opposite flowing directions.
The technical scheme is that the first oil cylinder hydraulic valve bank and the connection relation thereof are further limited, the first plug-in type pressure reducing valve is communicated with a medium inlet of the electromagnetic directional valve, a medium first outlet of the electromagnetic directional valve is communicated with an inlet of the first hydraulic control one-way valve, an outlet of the first hydraulic control one-way valve is communicated with a one-way valve inlet of the first one-way throttle valve, a one-way valve outlet of the first one-way throttle valve is communicated with an oil inlet of the first oil cylinder, an oil outlet of the first oil cylinder is communicated with a throttle valve inlet of the second one-way throttle valve, a throttle valve outlet of the second one-way throttle valve is communicated with an outlet of the second hydraulic control one-way valve, an inlet of the second hydraulic control one-way valve is communicated with a medium second outlet of the electromagnetic directional valve, and a medium discharge outlet of the electromagnetic directional valve is communicated with an oil return passage.
The technical scheme that the first oil cylinder hydraulic valve group and the connection relation thereof are further limited is that the first plug-in type pressure reducing valve is connected with a first pressure measuring connector, the first pressure measuring connector is connected with a first shock-resistant pressure gauge, and a pressure sensor is connected to an oil path between the first one-way throttle valve and the first oil cylinder.
The technical scheme that the second oil cylinder hydraulic valve group and the connection relation thereof are further limited is that the second plug-in type pressure reducing valve is communicated with the inlet of the plug-in type one-way valve, the outlet of the plug-in type one-way valve is communicated with the medium inlet of the electromagnetic ball valve, the medium outlet of the electromagnetic ball valve is communicated with the second oil cylinder, and the medium discharge port of the electromagnetic ball valve is communicated with an oil return passage.
The technical scheme for further limiting the second oil cylinder hydraulic valve group and the connection relation thereof is as follows, a second pressure measuring connector is connected to an oil path between the plug-in type one-way valve and the electromagnetic ball valve, and the second pressure measuring connector is connected with a second shock-resistant pressure gauge.
The following is a technical scheme for further defining a first oil cylinder hydraulic valve group and a second oil cylinder hydraulic valve group, wherein two groups of first oil cylinder hydraulic valve groups and two groups of second oil cylinder hydraulic valve groups are arranged on the valve block, the two groups of first oil cylinder hydraulic valve groups are respectively used for controlling the working operation of the two first oil cylinders, and the two groups of second oil cylinder hydraulic valve groups are respectively used for controlling the working operation of the two second oil cylinders.
Compared with the prior art, the utility model has the following technical effects:
according to the utility model, the four groups of oil cylinder hydraulic valve groups are arranged on one valve block, so that the structure assembly of the 4-linkage hydraulic valve group is realized, the whole structure has the characteristics of integration and miniaturization, occupies less use area, and is more suitable for practical application.
The utility model will be further described with reference to the drawings and examples.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the embodiments or the drawings needed in the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present utility model and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the structure of the present utility model from one perspective;
FIG. 2 is a schematic view of another view of the present utility model;
fig. 3 is a simplified connection diagram of the present utility model.
Reference numerals: 1. a first cartridge pressure relief valve; 2. a first shock resistant pressure gauge; 3. an electromagnetic reversing valve; 4. a superimposed hydraulic control one-way valve; 5. a stacked one-way throttle valve; 6. a first cylinder; 7. a pressure sensor; 8. a second cartridge pressure relief valve; 9. a cartridge-type one-way valve; 10. a second shock resistant pressure gauge; 11. an electromagnetic ball valve; 12. a second cylinder; 13. a valve block; 14. a first oil inlet passage; 15. a second oil inlet passage; 16. an oil return passage.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.
As shown in fig. 1-3, a multi-connected hydraulic valve assembly is provided, which comprises a valve block 13, wherein two groups of first oil cylinder hydraulic valve groups and two groups of second oil cylinder hydraulic valve groups are installed on the valve block 13, the two groups of first oil cylinder hydraulic valve groups are respectively used for controlling the working operation of two first oil cylinders 6, and the two groups of second oil cylinder hydraulic valve groups are respectively used for controlling the working operation of two second oil cylinders 12. Wherein the first oil cylinder 6 is an execution oil cylinder, and the second oil cylinder 12 is a support oil cylinder; the working operations of the two execution cylinders can be kept consistent or not, and in general, the working operations of the two execution cylinders are kept consistent; the working operations of the two support cylinders may or may not be identical, and in general, the working operations of the two support cylinders are identical. Finally, in the embodiment, the two groups of first oil cylinder hydraulic valve groups and the two groups of second oil cylinder hydraulic valve groups are integrated together, so that the integrated and miniaturized structural optimization of the whole device is realized.
In this embodiment, the structures of the two sets of first cylinder hydraulic valve groups are the same, and therefore, only the specific structure of the first cylinder hydraulic valve group of one set will be described in detail:
the first oil cylinder hydraulic valve group comprises a first plug-in type pressure reducing valve 1, an electromagnetic reversing valve 3, a stacked hydraulic control one-way valve 4, a stacked one-way throttle valve 5 and a first oil cylinder 6 which are connected in sequence; the overlapped hydraulic control one-way valve 4 comprises a first hydraulic control one-way valve and a second hydraulic control one-way valve, and the hydraulic control one-way valve is a valve which can reversely circulate the one-way valve by controlling the fluid pressure; the control oil way of the first hydraulic control one-way valve is connected to the inlet pipeline of the second hydraulic control one-way valve;
the stacked one-way throttle valve 5 comprises a first one-way throttle valve and a second one-way throttle valve, and the first one-way throttle valve and the second one-way throttle valve both comprise one-way valves and throttle valves with opposite flow directions;
the first plug-in type pressure reducing valve 1 is communicated with a first oil inlet passage 14, the first plug-in type pressure reducing valve 1 is communicated with a medium inlet of the electromagnetic directional valve 3, a medium first outlet of the electromagnetic directional valve 3 is communicated with an inlet of a first hydraulic control one-way valve, an outlet of the first hydraulic control one-way valve is communicated with a one-way valve inlet of the first one-way throttle valve, a one-way valve outlet of the first one-way throttle valve is communicated with an oil inlet of the first oil cylinder 6, an oil outlet of the first oil cylinder 6 is communicated with a throttle inlet of a second one-way throttle valve, a throttle outlet of the second one-way throttle valve is communicated with an outlet of the second hydraulic control one-way valve, an inlet of the second hydraulic control one-way valve is communicated with a medium second outlet of the electromagnetic directional valve 3, and a medium discharge outlet of the electromagnetic directional valve 3 is communicated with an oil return passage 16;
the first plug-in type pressure reducing valve 1 is connected with a first pressure measuring joint, and the first pressure measuring joint is connected with a first shock-resistant pressure gauge 2 and is used for detecting the pressure of hydraulic oil after the pressure is reduced by the first plug-in type pressure reducing valve 1; a pressure sensor 7 is connected to an oil path between the first one-way throttle valve and the first cylinder 6 and is used for detecting the pressure of hydraulic oil entering the first cylinder 6.
The specific process of the first cylinder hydraulic valve group driving the first cylinder 6 to extend or retract will be further described below:
when the first oil cylinder 6 stretches out, the left side of the electromagnetic directional valve 3 is electrified, hydraulic oil enters from the first oil inlet passage 14 and enters into the first oil cylinder 6 through the first plug-in type pressure reducing valve 1, the medium inlet P of the electromagnetic directional valve 3, the medium first outlet A of the electromagnetic directional valve 3, the first hydraulic control one-way valve, the one-way valve of the first one-way throttle valve and the oil inlet of the first oil cylinder 6;
subsequently, the first oil cylinder 6 performs an extending action, hydraulic oil of the first oil cylinder 6 flows out from an oil outlet of the first oil cylinder 6, passes through a throttle valve of a second one-way throttle valve, a second hydraulic one-way valve, a medium second outlet B of the electromagnetic directional valve 3 and a medium discharge port T of the electromagnetic directional valve 3, and finally flows back to an oil outlet passage;
conversely, when the first oil cylinder 6 is retracted, the right side of the electromagnetic directional valve 3 is electrified, hydraulic oil enters from the first oil inlet passage 14 and enters into the first oil cylinder 6 through the first plug-in type pressure reducing valve 1, the medium inlet P of the electromagnetic directional valve 3, the medium second outlet B of the electromagnetic directional valve 3, the second hydraulic control one-way valve, the one-way valve of the second one-way throttle valve and the oil outlet of the first oil cylinder 6;
subsequently, the first oil cylinder 6 performs a retracting action, hydraulic oil of the first oil cylinder 6 comes out from an oil inlet of the first oil cylinder 6, passes through a throttle valve of the first one-way throttle valve, the first hydraulic one-way valve, a medium first outlet A of the electromagnetic directional valve 3, and a medium discharge port T of the electromagnetic directional valve 3, and finally flows back to the oil outlet passage.
In this embodiment, the structures of the two sets of second cylinder hydraulic valve groups are the same, and therefore, only the specific structure of the second cylinder hydraulic valve group of one set will be described in detail:
the second oil cylinder hydraulic valve group comprises a second plug-in type pressure reducing valve 8, a plug-in type one-way valve 9, an electromagnetic ball valve 11 and a second oil cylinder 12 which are connected in sequence; the second plug-in type pressure reducing valve 8 is communicated with a second oil inlet passage 15, the second plug-in type pressure reducing valve 8 is communicated with the inlet of the plug-in type one-way valve 9, the outlet of the plug-in type one-way valve 9 is communicated with the medium inlet of the electromagnetic ball valve 11, the medium outlet of the electromagnetic ball valve 11 is communicated with the second oil cylinder 12, and the medium discharge port of the electromagnetic ball valve 11 is communicated with an oil return passage 16; a second pressure measuring joint is connected to an oil path between the plug-in type one-way valve 9 and the electromagnetic ball valve 11, and the second pressure measuring joint is connected with a second shock-resistant pressure gauge 10.
The specific process of the second cylinder hydraulic valve group driving the second cylinder 12 to support or not support will be further described below:
when the second oil cylinder 12 is supported, the electromagnetic ball valve 11 is electrified, hydraulic oil enters from the second oil inlet passage 15, passes through the second plug-in type pressure reducing valve 8, the plug-in type one-way valve 9, a medium inlet of the electromagnetic ball valve 11, a medium outlet of the electromagnetic ball valve 11 and the second oil cylinder 12, enters into the second oil cylinder 12, and extends out of the second oil cylinder 12 to support;
when the second oil cylinder 12 is not supported, the electromagnetic ball valve 11 is not electrified, hydraulic oil flows out from the second oil cylinder 12, passes through a medium outlet of the electromagnetic ball valve 11 and a medium discharge port of the electromagnetic ball valve 11, and finally flows back to the oil outlet passage.
The working operations of the first oil inlet passage 14 and the second oil inlet passage 15 do not affect each other, and therefore, the working operations between the first cylinder hydraulic valve group and the second cylinder hydraulic valve group do not affect each other.
The above description is only of the preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way. Any person skilled in the art can make many possible variations and modifications to the technical solution of the present utility model or modifications to equivalent embodiments using the methods and technical contents disclosed above, without departing from the scope of the technical solution of the present utility model. Therefore, all equivalent changes according to the shape, structure and principle of the present utility model are covered in the protection scope of the present utility model.

Claims (8)

1. The utility model provides a multi-connected hydraulic valve group assembly, includes the valve piece, its characterized in that installs multiunit first hydro-cylinder hydraulic valve group and multiunit second hydro-cylinder hydraulic valve group on the valve piece, first hydro-cylinder hydraulic valve group is including first cartridge formula relief pressure valve, electromagnetic reversing valve, stack formula hydraulically controlled check valve, stack formula one-way choke valve and first hydro-cylinder that connect gradually, second hydro-cylinder hydraulic valve group is including second cartridge formula relief pressure valve, cartridge formula check valve, electromagnetic ball valve and the second hydro-cylinder that connect gradually, first cartridge formula relief pressure valve intercommunication has first oil feed passageway, second cartridge formula relief pressure valve intercommunication has the second oil feed passageway, first oil feed passageway with the operation of second oil feed passageway does not influence each other.
2. The multiple hydraulic valve block assembly of claim 1, wherein the stacked pilot operated check valve includes a first pilot operated check valve and a second pilot operated check valve, a control oil passage of the first pilot operated check valve being connected to an inlet line of the second pilot operated check valve, and a control oil passage of the second pilot operated check valve being connected to an inlet line of the first pilot operated check valve.
3. The multiple hydraulic valve block assembly of claim 2, wherein the stacked one-way throttle valve comprises a first one-way throttle valve and a second one-way throttle valve, both of which comprise opposite flow-direction one-way and throttle valves.
4. The multi-way hydraulic valve assembly according to claim 3, wherein the first cartridge-type pressure reducing valve is communicated with a medium inlet of the electromagnetic directional valve, a medium first outlet of the electromagnetic directional valve is communicated with an inlet of the first hydraulic control one-way valve, an outlet of the first hydraulic control one-way valve is communicated with a one-way valve inlet of the first one-way throttle valve, a one-way valve outlet of the first one-way throttle valve is communicated with a cylinder inlet of the first cylinder, a cylinder outlet of the first cylinder is communicated with a throttle inlet of the second one-way throttle valve, a throttle outlet of the second one-way throttle valve is communicated with a medium second outlet of the electromagnetic directional valve, and a medium discharge port of the electromagnetic directional valve is communicated with an oil return passage.
5. The multi-way hydraulic valve group assembly according to claim 3, wherein the first plug-in pressure reducing valve is connected with a first pressure measuring joint, the first pressure measuring joint is connected with a first shock-resistant pressure gauge, and a pressure sensor is connected to an oil path between the first one-way throttle valve and the first oil cylinder.
6. A multi-way hydraulic valve assembly according to claim 3, wherein the second cartridge pressure reducing valve is in communication with the inlet of the cartridge check valve, the outlet of the cartridge check valve is in communication with the media inlet of the solenoid valve, the media outlet of the solenoid valve is in communication with the second cylinder, and the media discharge port of the solenoid valve is in communication with the oil return passage.
7. The multi-way hydraulic valve assembly according to claim 6, wherein a second pressure measuring connector is connected to an oil path between the plug-in type one-way valve and the electromagnetic ball valve, and the second pressure measuring connector is connected to a second shock-resistant pressure gauge.
8. The multi-connected hydraulic valve set assembly according to claim 1, wherein two groups of first oil cylinder hydraulic valve sets and two groups of second oil cylinder hydraulic valve sets are installed on the valve block, the two groups of first oil cylinder hydraulic valve sets are respectively used for controlling the working operation of the two first oil cylinders, and the two groups of second oil cylinder hydraulic valve sets are respectively used for controlling the working operation of the two second oil cylinders.
CN202322188200.1U 2023-08-15 2023-08-15 Multi-connected hydraulic valve group assembly Active CN220687713U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322188200.1U CN220687713U (en) 2023-08-15 2023-08-15 Multi-connected hydraulic valve group assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322188200.1U CN220687713U (en) 2023-08-15 2023-08-15 Multi-connected hydraulic valve group assembly

Publications (1)

Publication Number Publication Date
CN220687713U true CN220687713U (en) 2024-03-29

Family

ID=90373166

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322188200.1U Active CN220687713U (en) 2023-08-15 2023-08-15 Multi-connected hydraulic valve group assembly

Country Status (1)

Country Link
CN (1) CN220687713U (en)

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