CN219366441U

CN219366441U - Compact hydraulic valve block structure

Info

Publication number: CN219366441U
Application number: CN202223185680.8U
Authority: CN
Inventors: 陈陆刚; 邓迎宾; 王万平; 赵旭
Original assignee: Sichuan Crun Co ltd
Current assignee: Sichuan Crun Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-07-18
Anticipated expiration: 2032-11-30

Abstract

The utility model provides a compact hydraulic valve block structure, which comprises a valve block; the mounting hole site is formed at the position of the valve block close to the central line; a solenoid valve mounted to the mounting hole site; one end of the oil duct is communicated with an oil port of the electromagnetic valve; and the throttle hole is formed in the valve block and is communicated with the other end of the oil duct, so that oil enters from the throttle hole and enters the electromagnetic valve through the oil duct. The compact hydraulic valve block structure provided by the utility model can ensure that high-speed medium-pressure oil is completely controllable, namely instantaneous complete flow break or instantaneous complete flow pass; the structure is compact, and the mass economic cost is reduced; the valve group parts in the compact space are guaranteed to be flexibly disassembled.

Description

Compact hydraulic valve block structure

Technical Field

The utility model relates to the technical field of wind power hydraulic control systems, in particular to a compact hydraulic valve block structure.

Background

The wind power hydraulic control system is a main component part in the wind power generator and provides hydraulic driving force for a control actuator of the wind power generator. According to the instruction of the main control room, the accurate braking and releasing control of the wind driven generator is realized, the functional control is finally reflected on a servo structure of a wind power hydraulic control system, and the design of a valve block oil duct is particularly important and is a part which is neglected at present. The precision and the error of the control system directly influence the control of the process of each stage of the wind power hydraulic control system. It follows that the position and function of the system in wind turbines is important.

Valve blocks are generally used in wind power hydraulic control systems, so the valve blocks play a key role in the wind power hydraulic control system, but the valve blocks in the prior art have the following defects: 1. the hydraulic energy reducing structure is not arranged between the throttle hole and the electromagnetic valve, oil directly flows out from the oil port of the electromagnetic valve after passing through the throttle hole, and the high-speed medium-pressure oil cannot be completely cut off instantaneously or completely flow through instantaneously; 2. because the valve block process hole is provided with an embedded external screw plug, the valve block is difficult to maintain. 3. The structural design is not compact, and the material cost is high and difficult to control.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art.

To this end, the present utility model provides a compact hydraulic valve block structure.

The utility model provides a compact hydraulic valve block structure, comprising:

a valve block;

the mounting hole site is formed at the position of the valve block close to the central line;

a solenoid valve mounted to the mounting hole site;

one end of the oil duct is communicated with an oil port of the electromagnetic valve;

and the throttle hole is formed in the valve block and is communicated with the other end of the oil duct, so that oil enters from the throttle hole and enters the electromagnetic valve through the oil duct.

The utility model provides a compact hydraulic valve block structure which comprises a valve block, a mounting hole site, an electromagnetic valve, an oil duct and an orifice. Wherein, the mounting hole site forms on the valve piece, can provide the installation space for the solenoid valve. The oil duct is formed in the valve block, one end of the oil duct is communicated with the oil port of the electromagnetic valve, the other end of the oil duct is communicated with the throttling hole, so that the throttling hole is communicated with the oil port of the electromagnetic valve, the oil duct adopts a Z-shaped structure and the inner wall roughness improving process, the distance between the throttling hole and the inlet of the electromagnetic valve is increased, and the on-way resistance is increased. Therefore, the oil enters from the throttle hole, enters into the oil port of the electromagnetic valve through the oil duct, and flows out from the oil port of the electromagnetic valve, so that the influence of hydrodynamic force on the oil controllability can be greatly reduced, and the instantaneous complete flow interruption or instantaneous complete flow through of the high-speed medium-pressure oil is ensured.

The compact hydraulic valve block structure according to the technical scheme of the utility model can also have the following additional technical characteristics:

in the above technical scheme, the valve block is formed with a process hole, the process hole is formed at two sides of the installation hole, and the embedded part group is installed in the process hole.

In this technical scheme, form the technology hole on the valve piece to dress embedded part group inlays in the technology hole, for traditional mounting means, this mode can be more swift realization dismantlement and installation, improves the production efficiency of valve piece.

In the above technical solution, the embedded part group includes:

a first part, a second part, and a third part;

the first part, the second part and the third part are sequentially arranged in the process holes.

In this technical scheme, embedded part group includes first part, second part and third part. The number of the process holes is matched with the number of the process holes, so that each part can be flexibly installed in the corresponding process hole, and the process of disassembling and maintaining one by one is avoided. The first part and the second part are screw plugs, specifically, the process holes are threaded holes, and the first part and the second part are screwed in the threaded holes to finish installation. The third component is a valve or the like, such as a solenoid valve or a throttle valve.

In the above technical scheme, the first part and the third part are of semi-embedded structure, and the second part is of fully-embedded structure.

In the technical scheme, the first part and the third part adopt semi-embedded structures, namely, the bottoms of the first part and the third part are arranged in the process holes, and the tops of the first part and the third part are slightly higher than the top surface of the valve block. On the contrary, the second part is arranged to be of a fully embedded structure, namely, the second part is fully embedded in the process hole, and the top of the second part is lower than the top surface of the valve block, so that mass production can be ensured. In addition, the structure has the following beneficial effects: when the third part (valve) fails, the third part needs to be disassembled, and at this time, since the first part (screw plug) and the second part (screw plug) are embedded in the valve block, a disassembling tool (such as a wrench) can be ensured to have sufficient operation space, that is, the first part and the second part cannot occupy the operation space, so that smooth disassembly of the third part is ensured. The traditional dismantlement mode is, first with first part and the second part that exposes demolish the back, carries out the dismantlement of third part again, and whole process is loaded down with trivial details and waste time and energy.

In the technical scheme, the process hole spacing is equal to the safety wall thickness.

In the technical scheme, the spacing of the process holes is equal to the safety wall thickness, the safety wall thickness is determined according to the actual working condition, and the spacing of the process holes corresponds to the safety wall thickness, so that the damage of the process holes caused by too thin spacing and the waste of space caused by too thick spacing are avoided.

In the above technical solution, the orifice has a rectangular opening structure.

In this technical solution, the orifice may be a rectangular opening structure, and of course, may be other opening structures, which are not limited herein.

In the above technical solution, the oil passage adopts a row of intersecting process holes.

In the technical scheme, the oil duct adopts a row of intersecting process holes, so that the processing quality and the processing precision of the oil duct are ensured.

Compared with the prior art, the compact hydraulic valve block structure provided by the utility model has the following beneficial effects:

1. the high-speed medium-pressure oil liquid is ensured to be completely controllable, namely, instant complete flow interruption or instant complete flow through;

2. the structure is compact, and the mass economic cost is reduced;

3. the valve group parts in the compact space are guaranteed to be flexibly disassembled.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a front view of a compact hydraulic valve block structure of the present utility model.

The correspondence between the reference numerals and the component names in fig. 1 is:

1. a first part; 2. a valve block; 3. an electromagnetic valve; 4. an orifice; 5. a second part; 6. and a third part.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.

A compact hydraulic valve block structure provided according to some embodiments of the present utility model is described below with reference to fig. 1.

Some embodiments of the present application provide a compact hydraulic valve block structure.

As shown in fig. 1, a first embodiment of the present utility model proposes a compact hydraulic valve block structure comprising:

a valve block 2;

the mounting hole site is formed at a position of the valve block 2 close to the central line;

a solenoid valve 3 mounted to the mounting hole site;

one end of the oil duct is communicated with an oil port of the electromagnetic valve 3;

an orifice 4 is opened in the valve block 2 and communicates with the other end of the oil passage, so that oil enters from the orifice 4 and enters the solenoid valve 3 via the oil passage.

The utility model provides a compact hydraulic valve block structure which comprises a valve block 2, a mounting hole site, an electromagnetic valve 3, an oil duct and an orifice 4. Wherein the mounting hole is formed on the valve block 2, which can provide a mounting space for the solenoid valve 3. The oil duct is formed in the valve block 2 to the hydraulic fluid port of one end intercommunication solenoid valve 3, the other end intercommunication orifice 4 makes the hydraulic fluid port intercommunication of orifice 4 and solenoid valve 3, consequently, fluid gets into from orifice 4, and enters into the hydraulic fluid port of solenoid valve 3 through the oil duct, and flows out from the hydraulic fluid port of solenoid valve 3, can greatly reduce the influence of hydrodynamic force to the fluid controllability, ensures high-speed middling pressure fluid and stops or instantaneous complete through-flow completely.

As shown in fig. 1, a second embodiment of the present utility model provides a compact hydraulic valve block structure, comprising:

a valve block 2;

a solenoid valve 3 mounted to the mounting hole site;

In this embodiment, further comprising:

an embedded part group is embedded in the valve block 2.

Specifically, the embedded part group is also included. The embedded part group is embedded in the valve block 2, so that the structure of the valve block 2 can be optimized, the design layout of the valve block 2 is more compact, and the cost is further reduced.

In this embodiment, the valve block 2 is formed with a process hole formed on both sides of the installation hole, and the embedded part group is installed into the process hole.

Specifically, form the technology hole on valve piece 2 to dress embedded part group inlays in the technology hole, and for traditional mounting means, this mode can be more swift realization dismantlement and installation, improves the production efficiency of valve piece 2.

In this embodiment, the embedded part group includes:

a first part 1, a second part 5 and a third part 6;

wherein, the process hole forms three, first part 1, second part 5 and third part 6 set gradually in the process hole.

Specifically, the embedded part group includes a first part 1, a second part 5, and a third part 6. The number of the process holes is matched with the number of the process holes, so that each part can be flexibly installed in the corresponding process hole, and the process of disassembling and maintaining one by one is avoided.

In this embodiment, the first part 1 and the third part 6 are of a semi-embedded structure, and the second part 5 is of a fully embedded structure.

Specifically, the first part 1 and the third part 6 are in a semi-embedded structure, namely, the bottoms of the first part and the third part are installed in the process holes, and the tops of the first part and the third part are slightly higher than the top surface of the valve block 2. On the contrary, the second part 5 is arranged to be a fully embedded structure, namely, the second part 5 is fully embedded in the process hole, and the top of the second part is lower than the top surface of the valve block 2, so that mass production can be ensured.

In this embodiment, the process hole pitch is equal to the safe wall thickness.

Specifically, the spacing of the process holes is equal to the safety wall thickness, the safety wall thickness is determined according to the actual working condition, and the spacing of the process holes corresponds to the safety wall thickness, so that the damage of the process holes caused by the too thin spacing and the waste of the space caused by the too thick spacing are avoided.

In this embodiment, the orifice 4 has a rectangular opening structure.

Specifically, the orifice 4 may have a rectangular opening structure, but may have another opening structure, and is not particularly limited herein.

In this embodiment, the oil passage adopts a row of intersecting process holes.

Specifically, the oil duct adopts a row of intersecting process holes, so that the processing quality and the processing precision of the oil duct are ensured.

In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A compact hydraulic valve block structure, comprising:

a valve block (2);

the mounting hole site is formed at a position of the valve block (2) close to the central line;

a solenoid valve (3) mounted to the mounting hole site;

one end of the oil duct is communicated with an oil port of the electromagnetic valve (3);

and the throttle hole (4) is formed in the valve block (2) and is communicated with the other end of the oil duct, so that oil enters from the throttle hole (4) and enters the electromagnetic valve (3) through the oil duct.

2. The compact hydraulic valve block structure according to claim 1, characterized in that the valve block (2) is formed with process holes formed on both sides of the mounting hole site, and the process holes are sealed by embedded parts.

3. The compact hydraulic valve block structure of claim 2, wherein the embedded part group comprises:

a first part (1), a second part (5) and a third part (6);

the three process holes are formed, and the first part (1), the second part (5) and the third part (6) are sequentially arranged in the process holes.

4. The compact hydraulic valve block structure of claim 3, wherein,

the first part (1) and the third part (6) are of semi-embedded structures, and the second part (5) is of fully-embedded structures.

5. The compact hydraulic valve block structure of claim 4, wherein,

the spacing of the process holes is equal to the safety wall thickness.

6. Compact hydraulic valve block structure according to claim 5, characterized in that the orifice (4) has a rectangular opening structure.

7. The compact hydraulic valve block structure according to any one of claims 1 to 6, characterized in that,

the oil duct adopts a row of intersecting process holes.