CN203641144U - Double-pump bidirectional confluence valve group for concrete arm support pump truck - Google Patents
Double-pump bidirectional confluence valve group for concrete arm support pump truck Download PDFInfo
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- CN203641144U CN203641144U CN201320714092.0U CN201320714092U CN203641144U CN 203641144 U CN203641144 U CN 203641144U CN 201320714092 U CN201320714092 U CN 201320714092U CN 203641144 U CN203641144 U CN 203641144U
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- pump
- valve
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- pressure oil
- cartridge valve
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Abstract
The utility model relates to a double-pump bidirectional confluence valve group for a concrete arm support pump truck. Two high-pressure oil input openings, two high-pressure oil output openings, an arm support pump feedback signal oil input opening, an arm support pump feedback signal output opening and two oil return openings are formed in the valve body. During application, the two high-pressure oil output openings in the valve body are respectively butted with corresponding output openings of a main oil pump and an arm support pump; the two high-pressure oil output openings are respectively butted with a corresponding oil inlet of a main valve group and a high-pressure filter oil inlet of an arm support system; the feedback signal oil output opening is butted with a control oil opening of the arm support pump; the feedback signal input opening is butted with a control oil output opening of a multi-path valve of an arm support; the two oil return openings are connected with an oil return pipe of the system. The double-pump bidirectional confluence valve group for the concrete arm support pump truck accelerates the operating speed of the arm support of the pump truck and realizes combined operation of multiple arm supports, so that the pumping speed can be increased; under the premise of not changing other components, a large discharging amount is realized, and energy loss is reduced.
Description
Technical field
The utility model relates to the two-way converging valve group of a kind of double pump for concrete arm pump truck, is specially the two-way converging valve group of a kind of double pump.
Background technique
The features such as concrete arm pump truck is the important tool of production of construction industry, large with its quantity delivered as the concrete arm pump truck of Modern Construction means, transporting velocity is fast, for accelerating construction progress, reduce construction cost and have the effect that cannot substitute.
What concrete arm-pump truck pumping system main oil pump adopted is a variable displacement pump, and what boom system adopted is metering pump or load sensitive pump, and main oil pump is coaxial connection with arm-pump.Due to the restriction of main oil pump and arm-pump maximum pump discharge, in actual operating mode, usually can not meet site operation requirement, if select more large discharge pump, can significantly increase the cost of arm support pump truck, and energy loss also can increase, if adopt the mode of Dual-pump flow-converging, can meet real working condition requirement, can control again pump truck cost, reduce energy loss.
Summary of the invention
The purpose of this utility model is defect and the problem existing in order to overcome above prior art, and provide a kind of double pump for concrete arm pump truck two-way converging valve group, the utility model is accelerated the movement speed of pumping vehicle arm rack, and realize the combination action of multi-arm frame, accelerate rate of pumping, under the prerequisite of not changing miscellaneous part, realize large discharge capacity, reduce energy loss.
The purpose of this utility model is achieved in that
The two-way converging valve group of a kind of double pump for concrete arm pump truck, comprise valve body, it is characterized in that: valve body is provided with two high pressure oil inlet opening (P21, P11), two high pressure oil delivery outlet (P22, P12), arm-pump feedback signal oil inlet opening LSP1, arm-pump feedback signal delivery outlet LST and two return opening (T11, T21), wherein:
A high pressure oil inlet opening P21 links up by cartridge valve I 3 and a high pressure oil delivery outlet P22, link up by overflow cartridge valve I 1 and an oil return inlet T 21, link up with another high pressure oil inlet opening P11 by cartridge valve III 12, link up with another high pressure oil delivery outlet P12 by cartridge valve III 12 and cartridge valve II 5;
Another high pressure oil inlet opening P11 links up with another high pressure oil delivery outlet P12 by cartridge valve II 5, link up by overflow cartridge valve II 8 and another oil return inlet T 11, link up by cartridge valve III 12 and a high pressure oil inlet opening P21, link up by cartridge valve III 12, cartridge valve I 3 and a high pressure oil delivery outlet P22; Feedback signal delivery outlet LST links up with feedback signal inlet opening LSP1 by two-position four-way solenoid directional control valve I 9, and feedback signal delivery outlet LST links up with another high pressure oil inlet opening P11 by two-position four-way solenoid directional control valve II 10;
A high pressure oil inlet opening P21 on valve body docks with the delivery outlet of main oil pump, and another high pressure oil inlet opening P11 docks with the delivery outlet of arm-pump; A high pressure oil delivery outlet P22 docks with the filler opening of main valve group, and another high pressure oil delivery outlet P12 docks with the high pressure filter filler opening of boom system; Feedback signal delivery outlet LST docks with the control port of arm-pump, and feedback signal inlet opening LSP1 docks with the control oil outlet of jib multi-way valve; Two return openings (T11, T21) are connected with return tube;
Described overflow cartridge valve I 1, overflow cartridge valve II 8, cartridge valve I 3, cartridge valve II 5, cartridge valve III 12 are controlled by control cover plate separately respectively.
The signal oil of described cartridge valve I control cover plate 4 is taken from a high pressure oil inlet opening P21 by the flow direction of a two-position four-way electromagnetic switch valve control signal oil.
The signal oil of described cartridge valve II control cover plate 6 is taken from another high pressure oil inlet opening P11 by the flow direction of a two-position four-way electromagnetic switch valve control signal oil.
The signal oil of described cartridge valve III control cover plate 11 is taken from a high pressure oil inlet opening P21 and another higher one end of P11 pressure, high pressure oil inlet opening, by the flow direction of a two-position four-way electromagnetic switch valve control signal oil.
Described two-position four-way solenoid directional control valve I 9 and two-position four-way solenoid directional control valve II 10 according to electric situation realizes the switching of arm-pump signal oil.
Be used for the application of the two-way converging valve group of double pump of concrete arm pump truck, it is characterized in that: cartridge valve I 3 is closed, and cartridge valve III 12 is opened, and cartridge valve II 5 is opened, two-position four-way solenoid directional control valve I 9 obtains electric, realizes main pump is incorporated into boom system.
Cartridge valve II 5 is closed, and cartridge valve III 12 is opened, and cartridge valve I 3 is opened, and two-position four-way solenoid directional control valve II 10 obtains electric, realizes arm-pump is incorporated into pumping system.
Cartridge valve I 3 is opened, and cartridge valve II 5 is opened, and cartridge valve III 12 is closed, and two-position four-way solenoid directional control valve I 9 obtains electric, and boom system and pumping system do not collaborate, and boom system and pumping system are worked by the mode before collaborating.
, can first discharge of main pump be reduced when at the interflow, then interflow, behind interflow, again according to working condition requirement rising discharge of main pump, the compression shock can effectively reduce like this interflow time, reduces fault and occurs.Main oil pump is variable displacement pump, and arm-pump can be metering pump, can be also load sensitive pump, and main oil pump is coaxial pump with arm-pump.
The utility model has the advantage of: can realize the two-way interflow of double pump, can under the prerequisite of not changing pump, solve the problem that flow is inadequate, accelerate the movement speed of jib, and can realize multi-arm frame combination action, under the prerequisite of not changing miscellaneous part, realize large discharge pump and send, reduced product cost; Interflow can make full use of main oil pump and arm-pump, has reduced energy loss; Interflow compression shock is little, little to systematic influence, and two relief valves are housed on valve piece, collaborates safe and reliablely, all adopts cartridge valve on converging valve piece, and crushing is little.
Accompanying drawing explanation
Fig. 1 is the work system schematic diagram that the utility model builds according to the working principle of implementing.
In figure: 1-overflow cartridge valve I, 2-overflow cartridge valve I control cover plate, 3-cartridge valve I, 4-cartridge valve I control cover plate, 5-cartridge valve II, 6-cartridge valve II control cover plate, 7-overflow cartridge valve II control cover plate, 8-overflow cartridge valve II, 9-two-position four-way solenoid directional control valve I, 10-two-position four-way solenoid directional control valve II, 11-cartridge valve III control cover plate, 12-cartridge valve III.
Embodiment
Structure accompanying drawing is further described the utility model.
As shown in Figure 1, the utility model is provided with two high pressure oil inlet openings (P21, P11), two high pressure oil delivery outlets (P22, P12), arm-pump feedback signal oil inlet opening LSP1, arm-pump feedback signal delivery outlet LST and two return opening (T11 on valve body, T21), wherein:
A high pressure oil inlet opening P21 links up by cartridge valve I 3 and a high pressure oil delivery outlet P22, link up by overflow cartridge valve I 1 and an oil return inlet T 21, link up with another high pressure oil inlet opening P11 by cartridge valve III 12, link up with another high pressure oil delivery outlet P12 by cartridge valve III 12 and cartridge valve II 5;
Another high pressure oil inlet opening P11 links up with another high pressure oil delivery outlet P12 by cartridge valve II 5, link up by overflow cartridge valve II 8 and another oil return inlet T 11, link up by cartridge valve III 12 and a high pressure oil inlet opening P21, link up by cartridge valve III 12, cartridge valve I 3 and a high pressure oil delivery outlet P22; Feedback signal delivery outlet LST links up with feedback signal inlet opening LSP1 by two-position four-way solenoid directional control valve I 9, and feedback signal delivery outlet LST links up with another high pressure oil inlet opening P11 by two-position four-way solenoid directional control valve II 10;
A high pressure oil inlet opening P21 on valve body docks with the delivery outlet of main oil pump, and another high pressure oil inlet opening P11 docks with the delivery outlet of arm-pump; A high pressure oil delivery outlet P22 docks with the filler opening of main valve group, and another high pressure oil delivery outlet P12 docks with the high pressure filter filler opening of boom system; Feedback signal delivery outlet LST docks with the control port of arm-pump, and feedback signal inlet opening LSP1 docks with the control oil outlet of jib multi-way valve; Two return openings (T11, T21) are connected with return tube;
Described overflow cartridge valve I 1, overflow cartridge valve II 8, cartridge valve I 3, cartridge valve II 5, cartridge valve III 12 are controlled by control cover plate separately respectively.
The signal oil of described cartridge valve I control cover plate 4 is taken from a high pressure oil inlet opening P21 by the flow direction of a two-position four-way electromagnetic switch valve control signal oil.The signal oil of described cartridge valve II control cover plate 6 is taken from another high pressure oil inlet opening P11 by the flow direction of a two-position four-way electromagnetic switch valve control signal oil.The signal oil of described cartridge valve III control cover plate 11 is taken from a high pressure oil inlet opening P21 and another higher one end of P11 pressure, high pressure oil inlet opening, by the flow direction of a two-position four-way electromagnetic switch valve control signal oil.Described two-position four-way solenoid directional control valve I 9 and two-position four-way solenoid directional control valve II 10 according to electric situation realizes the switching of arm-pump signal oil.
Be used for the application of the two-way converging valve group of double pump of concrete arm pump truck, cartridge valve I 3 is closed, cartridge valve III 12 is opened, and cartridge valve II 5 is opened, and two-position four-way solenoid directional control valve I 9 obtains electric, realizes main pump is incorporated into boom system; Cartridge valve II 5 is closed, and cartridge valve III 12 is opened, and cartridge valve I 3 is opened, and two-position four-way solenoid directional control valve II 10 obtains electric, realizes arm-pump is incorporated into pumping system; Cartridge valve I 3 is opened, and cartridge valve II 5 is opened, and cartridge valve III 12 is closed, and two-position four-way solenoid directional control valve I 9 obtains electric, and boom system and pumping system do not collaborate, and boom system and pumping system are worked by the mode before collaborating.
, can first discharge of main pump be reduced when at the interflow, then interflow, behind interflow, again according to working condition requirement rising discharge of main pump, the compression shock can effectively reduce like this interflow time, reduces fault and occurs.
Main oil pump is variable displacement pump, and arm-pump can be metering pump, can be also load sensitive pump, and main oil pump is coaxial pump with arm-pump.
Claims (5)
1. the two-way converging valve group of the double pump for concrete arm pump truck, comprise valve body, it is characterized in that: valve body is provided with two high pressure oil inlet opening (P21, P11), two high pressure oil delivery outlet (P22, P12), arm-pump feedback signal oil inlet opening (LSP1), arm-pump feedback signal delivery outlet (LST) and two return opening (T11, T21), wherein:
A high pressure oil inlet opening (P21) is linked up by cartridge valve I (3) and a high pressure oil delivery outlet (P22), link up by overflow cartridge valve I (1) and a return opening (T21), link up by cartridge valve III (12) and another high pressure oil inlet opening (P11), link up with another high pressure oil delivery outlet (P12) by cartridge valve III (12) and cartridge valve II (5);
Another high pressure oil inlet opening (P11) is linked up by cartridge valve II (5) and another high pressure oil delivery outlet (P12), link up by overflow cartridge valve II (8) and another return opening (T11), link up by cartridge valve III (12) and a high pressure oil inlet opening (P21), link up with a high pressure oil delivery outlet (P22) by cartridge valve III (12), cartridge valve I (3); Feedback signal delivery outlet (LST) is linked up by two-position four-way solenoid directional control valve I (9) and feedback signal inlet opening (LSP1), and feedback signal delivery outlet (LST) is linked up by two-position four-way solenoid directional control valve II (10) and another high pressure oil inlet opening (P11);
Dock with the delivery outlet of main oil pump a high pressure oil inlet opening (P21) on valve body, and dock with the delivery outlet of arm-pump another high pressure oil inlet opening (P11); A high pressure oil delivery outlet (P22) docks with the filler opening of main valve group, and another high pressure oil delivery outlet (P12) docks with the high pressure filter filler opening of boom system; Feedback signal delivery outlet LST docks with the control port of arm-pump, and feedback signal inlet opening (LSP1) docks with the control oil outlet of jib multi-way valve; Two return openings (T11, T21) are connected with return tube;
Described overflow cartridge valve I (1), overflow cartridge valve II (8), cartridge valve I (3), cartridge valve II (5), cartridge valve III (12) are controlled by control cover plate separately respectively.
2. the two-way converging valve group of the double pump of concrete arm pump truck according to claim 1, is characterized in that: the signal oil of described cartridge valve I control cover plate (4) is taken from a high pressure oil inlet opening (P21) by the flow direction of a two-position four-way electromagnetic switch valve control signal oil.
3. the two-way converging valve group of the double pump of concrete arm pump truck according to claim 1, is characterized in that: the signal oil of described cartridge valve II control cover plate (6) is taken from another high pressure oil inlet opening (P11) by the flow direction of a two-position four-way electromagnetic switch valve control signal oil.
4. the two-way converging valve group of the double pump of concrete arm pump truck according to claim 1, it is characterized in that: the signal oil of described cartridge valve III control cover plate (11) is taken from a high pressure oil inlet opening (P21) and another higher one end of pressure, high pressure oil inlet opening (P11), by the flow direction of a two-position four-way electromagnetic switch valve control signal oil.
5. the two-way converging valve group of the double pump of concrete arm pump truck according to claim 1, is characterized in that: described two-position four-way solenoid directional control valve I (9) and two-position four-way solenoid directional control valve II (10) according to electric situation realizes the switching of arm-pump signal oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320714092.0U CN203641144U (en) | 2013-11-14 | 2013-11-14 | Double-pump bidirectional confluence valve group for concrete arm support pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320714092.0U CN203641144U (en) | 2013-11-14 | 2013-11-14 | Double-pump bidirectional confluence valve group for concrete arm support pump truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203641144U true CN203641144U (en) | 2014-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320714092.0U Withdrawn - After Issue CN203641144U (en) | 2013-11-14 | 2013-11-14 | Double-pump bidirectional confluence valve group for concrete arm support pump truck |
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|---|---|
| CN (1) | CN203641144U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557196A (en) * | 2013-11-14 | 2014-02-05 | 山推楚天工程机械有限公司 | Double-pump two-way interflow valve group for concrete arm frame pump truck and application thereof |
| CN110848194A (en) * | 2019-11-21 | 2020-02-28 | 徐州天睿地机械有限公司 | Externally-connected converging valve for mobile hydraulic power station |
-
2013
- 2013-11-14 CN CN201320714092.0U patent/CN203641144U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557196A (en) * | 2013-11-14 | 2014-02-05 | 山推楚天工程机械有限公司 | Double-pump two-way interflow valve group for concrete arm frame pump truck and application thereof |
| CN103557196B (en) * | 2013-11-14 | 2015-09-02 | 山推楚天工程机械有限公司 | The two-way converging valve group of a kind of double pump for concrete arm support pumper and application |
| CN110848194A (en) * | 2019-11-21 | 2020-02-28 | 徐州天睿地机械有限公司 | Externally-connected converging valve for mobile hydraulic power station |
| CN110848194B (en) * | 2019-11-21 | 2021-07-30 | 徐州天睿地机械有限公司 | Externally-connected converging valve for mobile hydraulic power station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140611 Effective date of abandoning: 20150902 |
|
| RGAV | Abandon patent right to avoid regrant |