CN211693024U - Special control valve group for brake - Google Patents
Special control valve group for brake Download PDFInfo
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- CN211693024U CN211693024U CN202020329024.2U CN202020329024U CN211693024U CN 211693024 U CN211693024 U CN 211693024U CN 202020329024 U CN202020329024 U CN 202020329024U CN 211693024 U CN211693024 U CN 211693024U
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Abstract
The utility model discloses a special control valve group for a brake, which comprises a rectangular valve body, wherein the top surface of the rectangular valve body is provided with a plug head; the front side surface of the valve body of the rectangular body is provided with a brake interface; an oil drainage port is formed in the rear side face of the valve body of the rectangular body; a signal pressure source port is formed in the left side face of the valve body of the rectangular body; the right side surface of the valve body of the rectangular body is provided with a pressure reducing valve and a hydraulic control reversing valve. The utility model is used for the control of various motor brakes; the pressure control and regulation function is provided, the brake can be better protected from high-pressure impact, the speed can be regulated through the one-way throttle valve when the brake is closed, the requirements of various actual working conditions are met, when the occasion that the express is required to be closed is realized, the one-way throttle valve is used for modulating the maximum state, then the hydraulic control reversing valve is used for quickly relieving pressure from a T1 port when the brake is closed, the brake is quickly closed, and the working safety and stability of the motor are guaranteed. When the motor needs to be closed slowly, the valve is adjusted to be in a proper state, so that the motor has a buffering function when being closed.
Description
Technical Field
The utility model relates to a technical field of valve unit especially relates to a special valve unit of brake.
Background
The general control valve group for the motor brake in the prior art has no pressure control and regulation function, and cannot protect the brake from high-pressure impact, so that the working safety and stability of the motor cannot be ensured.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a possess the function that pressure control adjusted, the protection stopper does not receive highly compressed impact, guarantees motor work safety and stable special control valves of stopper.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a special control valve group for a brake comprises a rectangular valve body, and is characterized in that a plug head is arranged on the top surface of the rectangular valve body; a brake interface is arranged on the front side face of the valve body of the rectangular body; an oil drainage port is formed in the rear side face of the valve body of the rectangular body; a signal pressure source port and a one-way throttle valve are arranged on the left side surface of the valve body of the rectangular body; a pressure reducing valve and a hydraulic control reversing valve are arranged on the right side surface of the valve body of the rectangular body;
the one-way throttle valve comprises a throttle valve working opening I and a throttle valve working opening II; the pressure reducing valve comprises a pressure reducing valve outlet, a pressure reducing valve inlet and an oil return port; the hydraulic control reversing valve comprises a reversing valve working port I, a reversing valve working port II and a reversing valve working port III;
the signal pressure source port is connected with a first reversing valve working port of a hydraulic control reversing valve, a second reversing valve working port of the hydraulic control reversing valve is connected with a reducing valve inlet of a reducing valve, a reducing valve outlet of the reducing valve is connected with a second throttling valve working port of a one-way throttling valve, and the first throttling valve working port of the one-way throttling valve is connected with a brake port; and a third reversing valve working port of the hydraulic control reversing valve and an oil return port of the pressure reducing valve are respectively connected with an oil drainage port.
Preferably, a check valve is arranged on the right side face of the valve body of the rectangular body, and comprises a check valve inlet and a check valve outlet; and the inlet of the one-way valve is connected with the second throttling valve working port of the one-way throttle valve, and the outlet of the one-way valve is connected with the second reversing valve working port of the hydraulic control reversing valve.
Preferably, a first pressure measuring port is arranged on the front side face of the valve body of the rectangular body; a second pressure measuring port is formed in the rear side face of the valve body of the rectangular body; the pressure measuring port I is connected with a signal pressure source port, and the pressure measuring port II is connected with a pressure reducing valve outlet of the pressure reducing valve.
Preferably, the one-way throttle valve, the one-way valve, the pressure reducing valve and the hydraulic control reversing valve are all valve seats made of alloy steel.
Preferably, the one-way throttle valve, the one-way valve, the pressure reducing valve and the hydraulic control reversing valve are of floating structures, so that the interference caused by installation torque and hole type machining errors can be reduced.
The control valve group of the utility model is used for controlling various motor brakes; the pressure control and regulation function is provided, the brake can be better protected from high-pressure impact, the speed can be regulated through the one-way throttle valve when the brake is closed, the requirements of various actual working conditions are met, when the occasion that the express is required to be closed is realized, the one-way throttle valve is used for modulating the maximum state, then the hydraulic control reversing valve is used for quickly relieving pressure from a T1 port when the brake is closed, the brake is quickly closed, and the working safety and stability of the motor are guaranteed. When the motor needs to be closed slowly, the valve is adjusted to be in a proper state, so that the motor has a buffering function when being closed.
Drawings
Fig. 1 is a schematic view of a partially expanded structure of a rectangular valve body of a control valve group dedicated for a variable amplitude cylinder of the present invention;
fig. 2 is a schematic structural view of a one-way throttle valve in a control valve set special for a luffing cylinder, which is provided by the utility model;
fig. 3 is a schematic structural view of a check valve in a control valve group special for a luffing cylinder provided by the utility model;
fig. 4 is a schematic structural diagram of a pressure reducing valve in a control valve group special for a luffing cylinder provided by the utility model;
fig. 5 is a schematic structural view of a hydraulic control reversing valve in a control valve group special for a luffing cylinder;
fig. 6 is a schematic diagram of the working principle in the embodiment of the control valve group special for the variable amplitude oil cylinder provided by the utility model.
Reference numbers in the figures:
1. a valve body; 2. a one-way throttle valve; 2-1, a first working opening of a throttle valve; 2-2, a second working opening and a 3 of a throttle valve and a one-way valve; 3-1, a one-way valve inlet; 3-2, a one-way valve outlet; 4. a pressure reducing valve; 4-1, an outlet of the pressure reducing valve; 4-2, inlet of pressure reducing valve; 4-3, an oil return port; 5. a hydraulic control directional control valve; 5-1, a first working port of the reversing valve; 5-2, a second reversing valve working port; 5-3, a third working port of the reversing valve; 6. a signal pressure source port; 7. a brake interface; 8. an oil drainage port; 9. a first pressure measuring port; 10. and a second pressure measuring port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in fig. 1 to 5, for the brake dedicated control valve set provided by the present invention, the brake dedicated control valve set comprises a rectangular valve body 1, wherein a plug is arranged on the top surface of the rectangular valve body 1; a brake interface 7 and a first pressure measuring port 9 are arranged on the front side surface of the valve body 1 of the rectangular body, and the brake interface 7 is connected with a brake; an oil drainage port 8 and a pressure measuring port II 10 are formed in the rear side face of the valve body 1 of the rectangular body; a signal pressure source port 6 and a one-way throttle valve 2 are arranged on the left side surface of the valve body 1 of the rectangular body; the right side surface of the valve body 1 of the rectangular body is provided with a one-way valve 3, a pressure reducing valve 4 and a hydraulic control reversing valve 5;
the one-way throttle valve 2 comprises a throttle valve working opening I2-1 and a throttle valve working opening II 2-2; the one-way valve 3 comprises a one-way valve inlet 3-1 and a one-way valve outlet 3-2; the pressure reducing valve 4 comprises a pressure reducing valve outlet 4-1, a pressure reducing valve inlet 4-2 and an oil return port 4-3; the hydraulic control reversing valve 5 comprises a reversing valve working port I5-1, a reversing valve working port II 5-2 and a reversing valve working port III 5-3;
the signal pressure source port 6 is connected with a first reversing valve working port 5-1 of a hydraulic control reversing valve 5, a second reversing valve working port 5-2 of the hydraulic control reversing valve 5 is connected with a reducing valve inlet 4-2 of a reducing valve 4, a reducing valve outlet 4-1 of the reducing valve 4 is connected with a second throttling valve working port 2-2 of a one-way throttling valve 2, and the first throttling valve working port 2-1 of the one-way throttling valve 2 is connected with a brake interface 7; the working port III 5-3 of the reversing valve of the hydraulic control reversing valve 5 and the oil return port 4-3 of the pressure reducing valve 4 are respectively connected with an oil drainage port 8;
the inlet 3-1 of the one-way valve 3 is connected with the second throttling valve working port 2-2 of the one-way throttling valve 2, and the outlet 3-2 of the one-way valve 3 is connected with the second reversing valve working port 5-2 of the hydraulic control reversing valve 5; the first pressure measuring port 9 is connected with the signal pressure source port 6, and the second pressure measuring port 10 is connected with the check valve 3 and the pressure reducing valve outlet 4-1 of the pressure reducing valve 4.
Further, the one-way throttle valve 2, the one-way valve 3, the pressure reducing valve 4 and the hydraulic control reversing valve 5 are all valve seats made of alloy steel; the one-way throttle valve 2, the one-way valve 3, the pressure reducing valve 4 and the hydraulic control reversing valve 5 are of floating structures, and interference caused by installation torque and hole type machining errors can be reduced.
As shown in fig. 6, the working principle of the present invention is as follows:
pressure signal oil enters from a signal pressure source port 6, enters a pressure reducing valve 4 after passing through a hydraulic control reversing valve 5, and freely flows into a brake port 7 after being reduced in pressure through a one-way throttle valve 2, so that the purpose of opening a brake is realized, and a motor normally works. When the brake is closed, oil flows out from the brake interface 7, is regulated by the one-way throttle valve 2, and is decompressed from the oil drain port 8 through the one-way valve 3 and the hydraulic control reversing valve 5, so that the brake is closed again.
The control valve group of the utility model is used for controlling various motor brakes; the pressure control and regulation function is provided, the brake can be better protected from high-pressure impact, the speed can be regulated through the one-way throttle valve when the brake is closed, the requirements of various actual working conditions are met, when the occasion that the express is required to be closed is realized, the one-way throttle valve is used for modulating the maximum state, then the hydraulic control reversing valve is used for quickly relieving pressure from a T1 port when the brake is closed, the brake is quickly closed, and the working safety and stability of the motor are guaranteed. When the motor needs to be closed slowly, the valve is adjusted to be in a proper state, so that the motor has a buffering function when being closed.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A special control valve group for a brake comprises a rectangular valve body (1), and is characterized in that a plug head is arranged on the top surface of the rectangular valve body (1); a brake interface (7) is arranged on the front side surface of the valve body (1) of the rectangular body; an oil drainage port (8) is formed in the rear side face of the valve body (1) of the rectangular body; a signal pressure source port (6) and a one-way throttle valve (2) are arranged on the left side surface of the valve body (1) of the rectangular body; a pressure reducing valve (4) and a hydraulic control reversing valve (5) are arranged on the right side surface of the valve body (1) of the rectangular body;
the one-way throttle valve (2) comprises a first throttle valve working opening (2-1) and a second throttle valve working opening (2-2); the pressure reducing valve (4) comprises a pressure reducing valve outlet (4-1), a pressure reducing valve inlet (4-2) and an oil return port (4-3); the hydraulic control reversing valve (5) comprises a reversing valve working port I (5-1), a reversing valve working port II (5-2) and a reversing valve working port III (5-3);
the signal pressure source port (6) is connected with a first reversing valve working port (5-1) of a hydraulic control reversing valve (5), a second reversing valve working port (5-2) of the hydraulic control reversing valve (5) is connected with a reducing valve inlet (4-2) of a reducing valve (4), a reducing valve outlet (4-1) of the reducing valve (4) is connected with a second throttling valve working port (2-2) of a one-way throttling valve (2), and the first throttling valve working port (2-1) of the one-way throttling valve (2) is connected with a brake interface (7); and a reversing valve working port III (5-3) of the hydraulic control reversing valve (5) and an oil return port (4-3) of the reducing valve (4) are respectively connected with an oil drainage port (8).
2. The brake specific control valve group according to claim 1, characterized in that a check valve (3) is arranged on the right side surface of the rectangular valve body (1), and the check valve (3) comprises a check valve inlet (3-1) and a check valve outlet (3-2); and a check valve inlet (3-1) of the check valve (3) is connected with a throttle valve working port II (2-2) of the check throttle valve (2), and a check valve outlet (3-2) of the check valve (3) is connected with a reversing valve working port II (5-2) of the hydraulic control reversing valve (5).
3. The special control valve group for the brake as recited in claim 2, characterized in that the front side of the valve body (1) of the rectangular body is provided with a first pressure measuring port (9); a second pressure measuring port (10) is formed in the rear side face of the valve body (1) of the rectangular body; the pressure measuring port I (9) is connected with the signal pressure source port (6), and the pressure measuring port II (10) is connected with the pressure reducing valve outlet (4-1) of the pressure reducing valve (4).
4. The special control valve group for the brake as recited in claim 2, wherein the one-way throttle valve (2), the one-way valve (3), the pressure reducing valve (4) and the hydraulic control reversing valve (5) are all made of alloy steel valve seats.
5. The control valve group special for the brake as claimed in claim 2, wherein the one-way throttle valve (2), the one-way valve (3), the pressure reducing valve (4) and the hydraulic control reversing valve (5) are all floating structures, so that interference caused by installation torque and hole type machining errors can be reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020329024.2U CN211693024U (en) | 2020-03-17 | 2020-03-17 | Special control valve group for brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020329024.2U CN211693024U (en) | 2020-03-17 | 2020-03-17 | Special control valve group for brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211693024U true CN211693024U (en) | 2020-10-16 |
Family
ID=72779284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020329024.2U Active CN211693024U (en) | 2020-03-17 | 2020-03-17 | Special control valve group for brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211693024U (en) |
-
2020
- 2020-03-17 CN CN202020329024.2U patent/CN211693024U/en active Active
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