CN216111521U - Grab material machine modularization integrated valve group and grab material machine hydraulic system - Google Patents
Grab material machine modularization integrated valve group and grab material machine hydraulic system Download PDFInfo
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- CN216111521U CN216111521U CN202122951004.6U CN202122951004U CN216111521U CN 216111521 U CN216111521 U CN 216111521U CN 202122951004 U CN202122951004 U CN 202122951004U CN 216111521 U CN216111521 U CN 216111521U
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Abstract
The utility model discloses a modular integrated valve group for a material grabbing machine and a hydraulic system of the material grabbing machine, wherein the modular integrated valve group for the material grabbing machine comprises a valve block, a first one-way throttle valve and a second one-way throttle valve are installed on the upper portion of the valve block, a first one-way valve is installed on the first one-way throttle valve, a first reversing valve is installed on the first one-way valve, a second reversing valve is installed on the second one-way throttle valve, the hydraulic system of the material grabbing machine comprises an oil tank, and the oil tank is connected with a main pump and further comprises the valve group. The lifting of a cab and the rotation of a grab bucket are controlled through the first reversing valve and the second reversing valve which are integrated on the valve block, the integration level is high, the size is small, the layout and the installation are easy, the valve group can be integrally replaced when a fault occurs, and the troubleshooting time is shortened.
Description
Technical Field
The utility model relates to a modular integrated valve group for a material grabbing machine and a hydraulic system of the material grabbing machine.
Background
The existing grab machine modified by the crawler excavator generally leads out pressure oil from a main valve standby link, controls the lifting of a cab and the rotation of the grab machine by a plate-type hydraulic control reversing valve and a hydraulic lock, and is connected with each valve through a hydraulic hose.
The above technical solution has the following disadvantages: 1. the pipelines are complex and difficult to arrange; 2. the integration level is low, and faults are difficult to check; 3. the leakage points are many, and the maintenance is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a modular integrated valve group for a material grabbing machine and a hydraulic system of the material grabbing machine, which have the advantages of high integration level, small volume and easiness in layout and installation.
In order to achieve the purpose, the utility model discloses a modular integrated valve set for a material grabbing machine, which comprises a valve block, wherein a first one-way throttle valve and a second one-way throttle valve are installed on the upper portion of the valve block, a first one-way valve is installed on the first one-way throttle valve, a first reversing valve is installed on the first one-way valve, a second reversing valve is installed on the second one-way throttle valve, a main oil inlet P0 and a main oil return port T0 which are communicated with the first one-way throttle valve and the second one-way throttle valve are formed in the valve block, a main working oil port A01 and a main working oil port B01 which are communicated with the first reversing valve are further formed in the valve block, and a main working oil port A02 and a main working oil port B02 which are communicated with the second one-way throttle valve are further formed in the valve block. The lifting of a cab and the rotation of a grab bucket are controlled through the first reversing valve and the second reversing valve which are integrated on the valve block, the integration level is high, the size is small, the layout and the installation are easy, the valve group can be integrally replaced when a fault occurs, and the troubleshooting time is shortened.
Preferably, the first reversing valve is a three-position four-way valve, an oil inlet P1 of the first reversing valve is communicated with a main oil inlet P0, an oil return port T1 of the first reversing valve is communicated with a main oil return port T0, a working oil port a1 of the first reversing valve is communicated with an oil inlet P2 of the first one-way valve, a working oil port B1 of the first reversing valve is communicated with an oil return port T2 of the first one-way valve, a working oil port a2 of the first one-way valve is communicated with an oil inlet P3 of the first one-way throttle valve, a working oil port B2 of the first one-way valve is communicated with an oil return port T3 of the first one-way throttle valve, a working oil port A3 of the first one-way throttle valve is communicated with a main working oil port a01, and a working oil port B3 of the first one-way throttle valve is communicated with a main working oil port B01. The integration level is high, and is small, easily overall arrangement and installation.
Preferably, the first reversing valve is a Y-shaped three-position four-way valve. Is convenient to use.
Preferably, the second reversing valve is a three-position four-way valve, an oil inlet P4 of the second reversing valve is communicated with a main oil inlet P0, an oil return port T4 of the second reversing valve) is communicated with a main oil return port T0, a working oil port a4 of the second reversing valve is communicated with an oil inlet P5 of a second one-way throttle valve, a working oil port B4 of the second reversing valve is communicated with an oil return port T5 of the second one-way throttle valve, a working oil port a5 of the second one-way throttle valve is communicated with a main working oil port a02, and a working oil port B5 of the second one-way throttle valve is communicated with a main working oil port B02. High integration level, small volume, easy layout and installation,
preferably, the first reversing valve is an O-shaped three-position four-way valve. Is convenient to use.
Preferably, the main working oil port a01, the main working oil port B01, the main working oil port a02 and the main working oil port B02 are located on the front side or the rear side of the valve block, and the main oil inlet P0 and the main oil return port T0 are located on the left side or the right side of the valve block. The integrated level is high, easily the overall arrangement, and oil pipe is conveniently installed.
Preferably, the first one-way throttle valve, the first one-way valve and the first reversing valve are arranged along the front-back direction; the second one-way throttle valve and the second reversing valve are arranged along the front-back direction. The integration level is high, and the layout is easy.
Preferably, the first one-way throttle valve is located to the left or right of the second one-way throttle valve. The integration level is high, and the layout is easy.
The utility model provides a grab quick-witted hydraulic system of material, this grab quick-witted hydraulic system of material includes the oil tank, the oil tank is connected with the main pump, still includes as above the valves, the main pump communicates with main oil inlet P0, main oil return T0 and oil tank intercommunication, main working oil port A01 and main working oil port B01 and driver's cabin lift cylinder intercommunication, main working oil port A02 and main working oil port B02 and grab bucket swing motor intercommunication. When the hydraulic control steering wheel is used, the hydraulic oil is pumped into a main oil inlet P by the main pump, the driving cab ascends and descends under the control of the first reversing valve, the first one-way throttle valve controls the ascending and descending speed of the driving cab, and the first one-way valve adopts a hydraulic control one-way valve and is used for keeping the driving cab at a position. The hydraulic oil is pumped into a main oil inlet P0 by the main pump, the direction of the grab bucket rotary motor is controlled by the second reversing valve, the speed of the grab bucket rotary motor is controlled by the second one-way throttle valve, and if the grab bucket rotary motor does not exist, the main working oil port A02 and the main working oil port B02 are blocked by plugs, so that the hydraulic grab bucket rotary motor is convenient to transform and has strong universality. The first reversing valve and the second reversing valve can both use electromagnetic reversing valves, and the hydraulic pipeline is simplified by controlling the reversing through current.
Preferably, the main pump is communicated with an oil inlet P6 of a third reversing valve, an oil return port T6 of the third reversing valve is communicated with an oil tank, and a working oil port A6 and a working oil port B6 of the third reversing valve are communicated with the grab bucket oil cylinder. When the hydraulic grab is used, hydraulic oil is pumped into an oil inlet P6 of the third reversing valve by the main pump, and the third reversing valve controls the grab bucket.
In conclusion, the beneficial effects of the utility model are as follows: the lifting of a cab and the rotation of a grab bucket are controlled through the first reversing valve and the second reversing valve which are integrated on the valve block, the integration level is high, the size is small, the layout and the installation are easy, the valve group can be integrally replaced when a fault occurs, and the troubleshooting time is shortened.
Drawings
FIG. 1 is a schematic structural view of a modular integrated valve block for a material grabbing machine according to the present invention;
FIG. 2 is a schematic left-view structural diagram of a modular integrated valve block for a material grabbing machine according to the present invention;
FIG. 3 is a schematic diagram of a right-view structure of a modular integrated valve block for a material grabbing machine according to the present invention;
FIG. 4 is a schematic diagram of a top view of a modular integrated valve block for a material grabbing machine according to the present invention;
fig. 5 is a schematic structural diagram of a hydraulic system of the material grabbing machine.
In the figure: 0. a valve block; 1. a first direction changing valve; 2. a first check valve; 3. a first one-way throttle valve; 4. a second directional control valve; 5. a second one-way throttle valve; 6. a third directional control valve; 7. a pilot handle; 8. a main pump; 9. a pilot pump; 10. an oil tank; 11. a main overflow valve; 12. the pilot overflow valve.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
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 application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The utility model is further described with reference to the following figures and detailed description:
The lifting of a cab and the rotation of a grab bucket are controlled by the first reversing valve 1 and the second reversing valve 4 which are integrated on the valve block 0, the integration level is high, the size is small, the layout and the installation are easy, the valve bank can be integrally replaced when a fault occurs, and the troubleshooting time is shortened.
The first reversing valve 1 is a three-position four-way valve, an oil inlet P1 of the first reversing valve 1 is communicated with a main oil inlet P0, an oil return port T1 of the first reversing valve 1 is communicated with a main oil return port T0, a working oil port A1 of the first reversing valve 1 is communicated with an oil inlet P2 of the first one-way valve 2, a working oil port B1 of the first reversing valve 1 is communicated with an oil return port T2 of the first one-way valve 2, a working oil port A2 of the first one-way valve 2 is communicated with an oil inlet P3 of the first one-way throttle valve 3, a working oil port B2 of the first one-way valve 2 is communicated with an oil return port T3 of the first one-way throttle valve 3, a working oil port A3 of the first one-way throttle valve 3 is communicated with a main working oil port A01, and a working oil port B3 of the first one-way throttle valve 3 is communicated with a main working oil port B01. The integrated level is high, and is small, easily overall arrangement and installation, and is specific, and first switching-over valve 1 is Y type three-position cross valve.
The second reversing valve 4 is a three-position four-way valve, an oil inlet P4 of the second reversing valve 4 is communicated with a main oil inlet P0, an oil return port T4 of the second reversing valve 4 is communicated with a main oil return port T0, a working oil port A4 of the second reversing valve 4 is communicated with an oil inlet P5 of the second one-way throttle valve 5, a working oil port B4 of the second reversing valve 4 is communicated with an oil return port T5 of the second one-way throttle valve 5, a working oil port A5 of the second one-way throttle valve 5 is communicated with a main working oil port A02, and a working oil port B5 of the second one-way throttle valve 5 is communicated with a main working oil port B02. The integrated level is high, and is small, easily overall arrangement and installation, first switching-over valve 1 are O type three-position four way valve.
Further, the main working oil port a01, the main working oil port B01, the main working oil port a02 and the main working oil port B02 are located on the front side or the rear side of the valve block 0, and the main oil inlet P0 and the main oil return port T0 are located on the left side or the right side of the valve block 0. The integrated level is high, easily the overall arrangement, and oil pipe is conveniently installed.
The first one-way throttle valve 3, the first one-way valve 2 and the first reversing valve 1 are arranged along the front-back direction; the second one-way throttle valve 5 and the second direction switching valve 4 are both provided in the front-rear direction. The integration level is high, and the layout is easy. The first one-way throttle valve 3 is located to the left or right of the second one-way throttle valve 5. The integration level is high, and the layout is easy.
The main pump 8 is also communicated with an oil inlet P6 of the third reversing valve 6 and the main overflow valve 11, an oil return port T6 of the third reversing valve 6 is communicated with the oil tank 10, and a working oil port A6 and a working oil port B6 of the third reversing valve 6 are communicated with the grab bucket oil cylinder. When the hydraulic grab is used, hydraulic oil is pumped into the oil inlet P6 of the third reversing valve 6 by the main pump 8, and the third reversing valve 6 controls the grab bucket.
Further, the oil tank 10 is connected with a pilot pump 9, the pilot pump 9 is communicated with an oil inlet P7 of the pilot handle 7 and the pilot overflow valve 12, an oil return port T7 of the pilot handle 7 is communicated with the oil tank 10, and working oil ports a7 and B7 of the pilot handle 7 are communicated with the third directional control valve 6. When the hydraulic control valve is used, the pilot pressure is controlled through the pilot handle 7, and then the third reversing valve 6 is controlled.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A modularized integrated valve group for a material grabbing machine is characterized by comprising a valve block (0), the upper part of the valve block (0) is provided with a first one-way throttle valve (3) and a second one-way throttle valve (5), a first one-way valve (2) is arranged on the first one-way throttle valve (3), a first reversing valve (1) is arranged on the first one-way valve (2), a second reversing valve (4) is arranged on the second one-way throttle valve (5), a main oil inlet P0 and a main oil return port T0 which are communicated with the first one-way throttle valve (3) and the second one-way throttle valve (5) are arranged on the valve block (0), the valve block (0) is also provided with a main working oil port A01 and a main working oil port B01 which are communicated with the first reversing valve (1), and the valve block (0) is also provided with a main working oil port A02 and a main working oil port B02 which are communicated with the second one-way throttle valve (5).
2. The modular integrated valve group for the material grabbing machine as claimed in claim 1, wherein the first reversing valve (1) is a three-position four-way valve, the oil inlet P1 of the first reversing valve (1) is communicated with a main oil inlet P0, the oil return T1 of the first reversing valve (1) is communicated with a main oil return T0, the working port a1 of the first reversing valve (1) is communicated with the oil inlet P2 of the first check valve (2), the working port B1 of the first reversing valve (1) is communicated with the oil return T2 of the first check valve (2), the working port a2 of the first check valve (2) is communicated with the oil inlet P3 of the first check throttle valve (3), the working port B2 of the first check valve (2) is communicated with the oil return T3 of the first check throttle valve (3), the working port A3 of the first check throttle valve (3) is communicated with a working port a01, and a working oil port B3 of the first one-way throttle valve (3) is communicated with a main working oil port B01.
3. The modular integrated valve group for the material grabbing machine as claimed in claim 2, wherein the first reversing valve (1) is a Y-shaped three-position four-way valve.
4. The modular integrated valve group for the material grabbing machine as claimed in claim 1, wherein the second reversing valve (4) is a three-position four-way valve, the oil inlet P4 of the second reversing valve (4) is communicated with a main oil inlet P0, the oil return port T4 of the second reversing valve (4) is communicated with a main oil return port T0, the working port a4 of the second reversing valve (4) is communicated with the oil inlet P5 of the second one-way throttle valve (5), the working port B4 of the second reversing valve (4) is communicated with the oil return port T5 of the second one-way throttle valve (5), the working port a5 of the second one-way throttle valve (5) is communicated with a main working port a02, and the working port B5 of the second one-way throttle valve (5) is communicated with a main working port B02.
5. The modular integrated valve group for the material grabbing machine as claimed in claim 4, wherein the first reversing valve (1) is an O-shaped three-position four-way valve.
6. The modular integrated valve group for the material grabbing machine as claimed in any one of claims 1 to 5, wherein the main working oil port A01, the main working oil port B01, the main working oil port A02 and the main working oil port B02 are located at the front side or the rear side of the valve block (0), and the main oil inlet P0 and the main oil return T0 are located at the left side or the right side of the valve block (0).
7. The modular integrated valve group for the material grabbing machine as claimed in any one of claims 1 to 5, wherein the first one-way throttle valve (3), the first one-way valve (2) and the first reversing valve (1) are all arranged along the front and back direction; the second one-way throttle valve (5) and the second reversing valve (4) are arranged along the front-back direction.
8. Modular manifold for a reclaimer, according to claim 7, characterized in that said first check choke (3) is positioned to the left or to the right of said second check choke (5).
9. A material grabbing machine hydraulic system comprises an oil tank (10), wherein the oil tank (10) is connected with a main pump (8), and the material grabbing machine hydraulic system is characterized by further comprising the valve group according to claim 1, wherein the main pump (8) is communicated with a main oil inlet P0, a main oil return port T0 is communicated with the oil tank (10), a main working oil port A01 and a main working oil port B01 are communicated with a cab lifting oil cylinder, and the main working oil port A02 and the main working oil port B02 are communicated with a grab bucket rotary motor.
10. The hydraulic system of the grab machine according to claim 9, wherein the main pump (8) is communicated with an oil inlet P6 of a third reversing valve (6), an oil return port T6 of the third reversing valve (6) is communicated with an oil tank (10), and a working oil port A6 and a working oil port B6 of the third reversing valve (6) are communicated with a grab bucket oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122951004.6U CN216111521U (en) | 2021-11-29 | 2021-11-29 | Grab material machine modularization integrated valve group and grab material machine hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122951004.6U CN216111521U (en) | 2021-11-29 | 2021-11-29 | Grab material machine modularization integrated valve group and grab material machine hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216111521U true CN216111521U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122951004.6U Active CN216111521U (en) | 2021-11-29 | 2021-11-29 | Grab material machine modularization integrated valve group and grab material machine hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216111521U (en) |
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- 2021-11-29 CN CN202122951004.6U patent/CN216111521U/en active Active
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Patentee after: Lovol Heavy Industry Group Co.,Ltd. Address before: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Patentee before: LOVOL Engineering Machinery Group Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |