CN214196806U - Hydraulic system of concrete pump - Google Patents
Hydraulic system of concrete pump Download PDFInfo
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- CN214196806U CN214196806U CN202023302418.8U CN202023302418U CN214196806U CN 214196806 U CN214196806 U CN 214196806U CN 202023302418 U CN202023302418 U CN 202023302418U CN 214196806 U CN214196806 U CN 214196806U
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Abstract
The utility model provides a concrete pump hydraulic system, including concrete push cylinder one, concrete push cylinder two, HB oil circuit integrated package and oil tank, install overflow valve one, overflow valve two, electro-hydraulic directional valve one, electro-hydraulic directional valve two, shuttle valve, 1# direction control cartridge two-way valve, 2# direction control cartridge two-way valve on the HB oil circuit integrated package; the control system comprises a 3# direction control plug-in two-way valve, a 4# direction control plug-in two-way valve, a 5# direction control plug-in two-way valve and a # direction control plug-in two-way valve. The utility model provides a pair of concrete pump hydraulic system, simple structure, convenient to use sets up 6 directional control cartridge two-way valves, realizes the linkage work or the autonomous working of propelling movement hydro-cylinder, can satisfy the big discharge capacity of conventional low pressure and the little discharge capacity pumping demand of high pressure, and two propelling movement jar linkage works use single propelling movement jar to carry out the pump sending again, single propelling movement jar work.
Description
Technical Field
The utility model relates to a hydraulic pressure field, in particular to concrete pump hydraulic system.
Background
Concrete pumps are another name for concrete delivery pumps, which utilize pressure to continuously deliver concrete along a pipeline. Consists of a pump body and a delivery pipe. The structure is divided into a piston type, an extrusion type and a water pressure diaphragm type. The pump body is arranged on an automobile chassis, and then a telescopic or folding distributing rod is arranged to form the pump truck. The existing concrete pump has a single working mode and cannot work in various environments.
SUMMERY OF THE UTILITY MODEL
The utility model provides a concrete pump hydraulic system, its compact structure, convenient operation can satisfy the big discharge capacity of conventional low pressure and the little discharge capacity pumping demand of high pressure.
In order to achieve the above object, the utility model adopts the following technical scheme:
a hydraulic system of a concrete pump comprises a first concrete pushing cylinder, a second concrete pushing cylinder, an HB oil way integrated block and an oil tank, wherein the HB oil way integrated block is provided with a first overflow valve, a second overflow valve, a first electro-hydraulic reversing valve, a second electro-hydraulic reversing valve, a shuttle valve, a 1# direction control plug-in two-way valve and a 2# direction control plug-in two-way valve; the control system comprises a 3# direction control plug-in two-way valve, a 4# direction control plug-in two-way valve, a 5# direction control plug-in two-way valve and a # direction control plug-in two-way valve;
the two ends of the first concrete pushing cylinder are respectively provided with a first pipeline and a third pipeline which are respectively connected with a 1# direction control plug-in two-way valve and a 3# direction control plug-in two-way valve, the two ends of the second concrete pushing cylinder are respectively provided with a second pipeline and a fourth pipeline which are respectively connected with a 2# direction control plug-in two-way valve and a 4# direction control plug-in two-way valve, the # direction control plug-in two-way valve is connected with the first pipeline and the fourth pipeline, the 5# direction control plug-in two-way valve is connected with the second pipeline and the third pipeline, and the 1# direction control plug-in two-way valve, the 2# direction control plug-in two-way valve, the 3# direction control plug-in two-way valve and the;
the two-way valve with the 1# direction control plug-in mounting and the two-way valve with the 2# direction control plug-in mounting are communicated with one valve port of a first electro-hydraulic reversing valve, the two-way valve with the 3# direction control plug-in mounting and the two-way valve with the 4# direction control plug-in mounting are communicated with the other valve port of the first electro-hydraulic reversing valve, the two-way valve with the 1# direction control plug-in mounting is communicated with a shuttle valve, one valve port of the shuttle valve is communicated with the first electro-hydraulic reversing valve, the second electro-hydraulic reversing valve and an overflow valve, the other valve port of the shuttle valve is communicated with one outlet of the first electro-hydraulic reversing valve, a variable plunger pump I is connected to the other outlet of the first electro-hydraulic reversing valve, and a fixed displacement plunger pump II is connected to one outlet of the second electro-hydraulic reversing valve and the other outlet of the second is communicated with the overflow valve II.
As an improvement, the variable plunger pump I, the quantitative plunger pump II, the overflow valve I and the overflow valve II are communicated with an oil tank.
As an improvement, the second electro-hydraulic directional valve is connected with two pipelines, and a first distribution cylinder and a second distribution cylinder are respectively installed on the pipelines.
And as an improvement, a pipeline is arranged between the second quantitative plunger pump and the second electro-hydraulic reversing valve and is connected with an energy accumulator.
As an improvement, a pressure release valve is arranged on a pipeline connected with the energy accumulator.
The utility model has the advantages that:
the utility model discloses simple structure, convenient to use sets up 6 directional control cartridge two-way valves, realizes the linkage work or the autonomous working of propelling movement hydro-cylinder, can satisfy the big discharge capacity of conventional low pressure and the little discharge capacity pumping demand of high pressure, and two propelling movement jar linkage works use single propelling movement jar to carry out the pump sending again, single propelling movement jar work.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
In order to make the content of the present invention more clearly understood, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the present invention.
As shown in fig. 1, a concrete pump hydraulic system comprises a first concrete pushing cylinder 15, a second concrete pushing cylinder 16, an HB oil path manifold block and an oil tank 23, and is characterized in that the HB oil path manifold block is provided with a first overflow valve 3, a second overflow valve 4, a first electro-hydraulic directional valve 6, a second electro-hydraulic directional valve 7, a shuttle valve 8, a 1# direction control plug-in two-way valve 9 and a 2# direction control plug-in two-way valve 10; a 3# direction control plug-in two-way valve 11, a 4# direction control plug-in two-way valve 12, a 5# direction control plug-in two-way valve 13 and a 6# direction control plug-in two-way valve 14;
a first pipeline 19 and a third pipeline 21 are respectively arranged at two ends of the first concrete pushing cylinder 15 and are respectively connected with the first direction control plug-in two-way valve 9 and the second direction control plug-in two-way valve 3, a second pipeline 20 and a fourth pipeline 22 are respectively arranged at two ends of the second concrete pushing cylinder 16 and are respectively connected with the second direction control plug-in two-way valve 10 and the second direction control plug-in two-way valve 4, the 6# direction control plug-in two-way valve 14 is connected with the first pipeline 19 and the fourth pipeline 22, the 5# direction control plug-in two-way valve 13 is connected with the second pipeline 20 and the third pipeline 21, and the 1# direction control plug-in two-way valve 9, the 2# direction control plug-in two-way valve 10, the 3# direction control plug-in two-way valve 11 and the 4# direction control plug-in two-way valve 12 are communicated;
the 1# direction control plug-in two-way valve 9 and the 2# direction control plug-in two-way valve 10 are communicated with one valve port of the first electro-hydraulic reversing valve 6, the 3# direction control plug-in two-way valve 11 and the 4# direction control plug-in two-way valve 12 are communicated with the other valve port of the first electro-hydraulic reversing valve 6, the 1# direction control plug-in two-way valve 9 is communicated with the shuttle valve 8, one valve port of the shuttle valve 8 is communicated with the first electro-hydraulic reversing valve 6, the second electro-hydraulic reversing valve 7 and the overflow valve 4, the other valve port of the shuttle valve 8 is communicated with one outlet of the first electro-hydraulic reversing valve 6, the outlet of the first electro-hydraulic reversing valve 6 is connected with the variable plunger pump 1, the overflow valve 3 at the other outlet of the first electro-hydraulic reversing valve 6 is connected, one outlet of the second electro-hydraulic reversing valve 7 is connected with the second fixed displacement plunger pump 2, and the other outlet of the second electro-hydraulic reversing valve is communicated with the overflow valve 4.
The variable plunger pump I1, the quantitative plunger pump II 2, the overflow valve I3 and the overflow valve II 4 are all communicated with the oil tank 23.
And the second electro-hydraulic directional valve 7 is connected with two pipelines, and the pipelines are respectively provided with a first distribution cylinder 17 and a second distribution cylinder 18.
And a pipeline is arranged between the quantitative plunger pump II 2 and the electro-hydraulic reversing valve II 7 and is connected with an energy accumulator 5.
And a pressure release valve is arranged on a pipeline connected with the energy accumulator 5.
The working principle is as follows:
mode of operation 1-conventional low pressure pumping: keeping turning on a 2# direction control plug-in two-way valve, a 3# direction control plug-in two-way valve and a 6# direction control plug-in two-way valve, and keeping turning off a 1# direction control plug-in two-way valve, a 4# direction control plug-in two-way valve and a 5# direction control plug-in two-way valve; at the moment, the port A of the first electro-hydraulic reversing valve is selectively communicated with the port A1 through the 2# direction control plug-in two-way valve to be connected with a rod cavity of the second concrete pushing cylinder; a port B of the electro-hydraulic reversing valve II is communicated with a port B1 through a 3# direction control plug-in mounting two-way valve and is connected with a rod cavity of the concrete pushing cylinder I; the No. 6 direction control plug-in two-way valve keeps communicating with rodless cavities of the first concrete pushing cylinder and the second concrete pushing cylinder;
mode of operation 2-conventional high pressure pumping: keeping to switch on the 1# direction control plug-in two-way valve, the 4# direction control plug-in two-way valve and the 5# direction control plug-in two-way valve, simultaneously keeping to switch off the 2# direction control plug-in two-way valve, the 3# direction control plug-in two-way valve and the 6# direction control plug-in two-way valve, and at the moment, the port A of the first electro-hydraulic reversing valve is selectively switched on the port A2 to be connected with a rodless cavity of the first concrete pushing cylinder through the 1# direction control plug-in two-way valve; a port B of the electro-hydraulic reversing valve I is communicated with a port B2 through a 4# direction control plug-in mounting two-way valve to be connected with a rodless cavity of the concrete pushing cylinder II; the No. 5 directional control plug-in two-way valve keeps communicating with rod cavities of the first concrete pushing cylinder and the second concrete pushing cylinder;
working mode 3-concrete delivery cylinder-single cylinder pumping: keeping turning on a 1# direction control plug-in two-way valve and a 3# direction control plug-in two-way valve, and keeping turning off a 2# direction control plug-in two-way valve, a 4# direction control plug-in two-way valve, a 5# direction control plug-in two-way valve and a 6# direction control plug-in two-way valve; at the moment, the port A of the first electro-hydraulic reversing valve is communicated with a rodless cavity of the port A2 connected with the first concrete pushing cylinder by selecting the direction 1# to control the plug-in two-way valve; a port B of the electro-hydraulic reversing valve I is communicated with a port B1 through a 3# direction control plug-in mounting two-way valve and is connected with a rod cavity of the concrete pushing cylinder I;
the working mode is 4-two concrete pushing cylinders and single cylinder pumping; keeping turning on a 2# direction control plug-in two-way valve and a 4# direction control plug-in two-way valve, and keeping turning off a 1# direction control plug-in two-way valve, a 3# direction control plug-in two-way valve, a 5# direction control plug-in two-way valve and a 6# direction control plug-in two-way valve; at the moment, the port A of the first electro-hydraulic reversing valve is communicated with the port A1 through selecting a 2# direction control plug-in mounting two-way valve to be connected with a rod cavity of the second concrete pushing cylinder; and a port B of the first electro-hydraulic reversing valve is communicated with a port B2 through a 4# direction control plug-in mounting two-way valve and is connected with a rodless cavity of the second concrete pushing cylinder.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A hydraulic system of a concrete pump comprises a first concrete pushing cylinder (15), a second concrete pushing cylinder (16), an HB oil way integrated block and an oil tank (23), and is characterized in that the HB oil way integrated block is provided with a first overflow valve (3), a second overflow valve (4), a first electro-hydraulic reversing valve (6), a second electro-hydraulic reversing valve (7), a shuttle valve (8), a 1# direction control plug-in two-way valve (9) and a 2# direction control plug-in two-way valve (10); a 3# direction control plug-in two-way valve (11), a 4# direction control plug-in two-way valve (12), a 5# direction control plug-in two-way valve (13) and a 6# direction control plug-in two-way valve (14);
a first pipeline (19) and a third pipeline (21) are respectively arranged at two ends of the first concrete pushing cylinder (15) and are respectively connected with a 1# direction control plug-in two-way valve (9) and a 3# direction control plug-in two-way valve (11), two ends of the concrete pushing cylinder II (16) are respectively provided with a pipeline II (20) and a pipeline IV (22) which are respectively connected with a 2# direction control plug-in two-way valve (10) and a 4# direction control plug-in two-way valve (12), the No. 6 direction control plug-in two-way valve (14) is connected with the first pipeline (19) and the fourth pipeline (22), the No. 5 directional control plug-in two-way valve (13) is connected with the second pipeline (20) and the third pipeline (21), the 1# direction control plug-in two-way valve (9), the 2# direction control plug-in two-way valve (10), the 3# direction control plug-in two-way valve (11) and the 4# direction control plug-in two-way valve (12) are communicated;
the No. 1 direction control plug-in two-way valve (9) and the No. 2 direction control plug-in two-way valve (10) are communicated with a valve port of the electro-hydraulic reversing valve I (6), the 3# direction control plug-in two-way valve (11) and the 4# direction control plug-in two-way valve (12) are communicated with the other valve port of the electro-hydraulic reversing valve I (6), the No. 1 direction control plug-in two-way valve (9) is communicated with the shuttle valve (8), one valve port of the shuttle valve (8) is communicated with the electro-hydraulic reversing valve I (6), the electro-hydraulic reversing valve II (7) and the overflow valve II (4), the other valve port of the shuttle valve (8) is communicated with an outlet of the electro-hydraulic reversing valve I (6), the outlet is connected with a variable plunger pump I (1), the other outlet overflow valve (3) of the electro-hydraulic reversing valve (6) is connected with the other outlet overflow valve (3), one outlet of the electro-hydraulic reversing valve II (7) is connected with a quantitative plunger pump II (2) and the other outlet of the electro-hydraulic reversing valve II is communicated with an overflow valve II (4).
2. The hydraulic system of concrete pump as claimed in claim 1, characterized in that: the variable plunger pump I (1), the quantitative plunger pump II (2), the overflow valve I (3) and the overflow valve II (4) are all communicated with the oil tank (23).
3. The hydraulic system of concrete pump as claimed in claim 1, characterized in that: and the second electro-hydraulic reversing valve (7) is connected with two pipelines, and a first distribution cylinder (17) and a second distribution cylinder (18) are respectively arranged on the pipelines.
4. The hydraulic system of concrete pump as claimed in claim 1, characterized in that: and a pipeline is arranged between the quantitative plunger pump II (2) and the electro-hydraulic reversing valve II (7) and is connected with an energy accumulator (5).
5. The hydraulic system of concrete pump as claimed in claim 4, characterized in that: and a pressure release valve is arranged on a pipeline connected with the energy accumulator (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023302418.8U CN214196806U (en) | 2020-12-31 | 2020-12-31 | Hydraulic system of concrete pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023302418.8U CN214196806U (en) | 2020-12-31 | 2020-12-31 | Hydraulic system of concrete pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214196806U true CN214196806U (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023302418.8U Active CN214196806U (en) | 2020-12-31 | 2020-12-31 | Hydraulic system of concrete pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214196806U (en) |
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2020
- 2020-12-31 CN CN202023302418.8U patent/CN214196806U/en active Active
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