CN205078531U - Concrete piston pump sending main valve piece can two move back - Google Patents
Concrete piston pump sending main valve piece can two move back Download PDFInfo
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- CN205078531U CN205078531U CN201520744781.5U CN201520744781U CN205078531U CN 205078531 U CN205078531 U CN 205078531U CN 201520744781 U CN201520744781 U CN 201520744781U CN 205078531 U CN205078531 U CN 205078531U
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- way valve
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- cartridge valve
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Abstract
The utility model discloses a concrete piston pump sending main valve piece can two move back, including two master cylinders, four two -position four -way valves, three three -position four -way valve, two overflow valves, six inserted valves, tilt cylinder, two master cylinders, four two -position four -way valves, three three -position four -way valve, two overflow valves, six inserted valves, tilt cylinders pass through the tube coupling, the switching of inserted valve control by the two -position four -way valve, the switching of inserted valve is controlled by the two -position four -way valve, the switching of inserted valve is controlled by the three -position four -way valve, the jar is carried in the cooperation of three -position four -way valve control tilt cylinder, decides positive and negative pump. The utility model discloses a plurality of two -position four -way valves and three -position four -way valve, thus these a plurality of magenetic exchange valve have changed oil circuit originally produces neotype valve piece, realizes that dan shuan moves back the piston on original pumping installations, needn't design a new return circuit alone, reduces the structure complexity, reduces the cost.
Description
Technical field
The utility model relates to Hydraulic Field, and particularly relating to one two can move back concrete piston pumping main valve block.
Background technique
Existing pumping system hydraulic valve block function only carries out positive and negatively making pump, through use after a while, concrete piston needs to change owing to wearing and tearing, can only by single oil cylinder respectively the mode of giving up the throne carry out the replacing of concrete piston, therefore need to design separately a loop for each oil cylinder and realize giving up the throne of concrete piston, cause whole pumping system hydraulic valve block complex structure like this, and maintenance procedures complicated, the more operating time need be consumed, increase maintenance cost.
Summary of the invention
The purpose of this utility model is to provide one significantly can improve maintenance efficiency, and that reduces maintenance cost two can move back concrete piston pumping main valve block.
For achieving the above object, technical solution of the present utility model is:
The utility model is that one two can move back concrete piston pumping main valve block, comprise the first master cylinder (11), second master cylinder (12), first two-position four-way valve (23), second two-position four-way valve (24), 3rd two-position four-way valve (25), 4th two-position four-way valve (26), first three-position four-way valve (20), second three-position four-way valve (21), 3rd three-position four-way valve (22), first relief valve (27), second relief valve (28), first cartridge valve (31), second cartridge valve (32), 3rd cartridge valve (33), 4th cartridge valve (34), 5th cartridge valve (35), 6th cartridge valve (36), tilt cylinder (4), described the first master cylinder (11), second master cylinder (12), first two-position four-way valve (23), second two-position four-way valve (24), 3rd two-position four-way valve (25), 4th two-position four-way valve (26), first three-position four-way valve (20), second three-position four-way valve (21), 3rd three-position four-way valve (22), first relief valve (27), second relief valve (28), first cartridge valve (31), second cartridge valve (32), 3rd cartridge valve (33), 4th cartridge valve (34), 5th cartridge valve (35), 6th cartridge valve (36), tilt cylinder (4) is connected by pipeline, described the first cartridge valve (31), the C mouth of the second cartridge valve (32) connect A mouth and the B mouth of the first two-position four-way valve (23) respectively, and the first two-position four-way valve (23) controls the opening and closing of the first cartridge valve (31), the second cartridge valve (32), the 3rd described cartridge valve (33), the C mouth of the 4th cartridge valve (34) connect A mouth and the B mouth of the second two-position four-way valve (24) respectively, and the second two-position four-way valve (24) controls the opening and closing of the 3rd cartridge valve (33), the 4th cartridge valve (34), the 5th described cartridge valve (35), the C mouth of the 6th cartridge valve (36) connect the 3rd three-position four-way valve (22) A mouth and B mouth respectively, and the 3rd three-position four-way valve (22) controls the opening and closing of the 5th cartridge valve (35), the 6th cartridge valve (36), described the second three-position four-way valve (21) controls tilt cylinder (4), decides positive and negative pump.
Described the first two-position four-way valve (23), the second two-position four-way valve (24), the 3rd two-position four-way valve (25), the 4th two-position four-way valve (26) and the first three-position four-way valve (20), the second three-position four-way valve (21), the 3rd three-position four-way valve (22) are all solenoid directional control valve.
After cartridge valve cartridge valve adopts such scheme, the utility model has the following advantages:
1, the utility model comprises multiple two-position four-way valve and three-position four-way valve, the plurality of solenoid directional control valve changes oil circuit originally thus produces novel valve block, realizes Dan Shuan on original pumping installations and moves back piston, need not design separately a new loop, reduce structure complexity, reduce cost.
2, the utility model changes the electro-hydraulic control valve in original loop into solenoid directional control valve, reduces the complexity of directional control valve, makes valve block simpler.
3, original valve block only has positive and negative large pump, can not complete and move back piston function, and valve block function of the present utility model is more complete, can complete free Dan Shuan and move back piston.
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Accompanying drawing explanation
Fig. 1 is oil circuit figure of the present utility model;
Fig. 2 is the oil circuit figure that the utility model list moves back piston;
Fig. 3 is the two oil circuit figure moving back piston of the utility model.
Embodiment
As shown in Figure 1, the utility model is that one two can move back concrete piston pumping main valve block, comprises the first master cylinder 11, second master cylinder 12, first two-position four-way valve 23, second two-position four-way valve 24, the 3rd two-position four-way valve 25, the 4th two-position four-way valve 26, first three-position four-way valve 20, second three-position four-way valve 21, the 3rd three-position four-way valve 22, first relief valve 27, second relief valve 28, first cartridge valve 31, second cartridge valve 32, the 3rd cartridge valve 33, the 4th cartridge valve 34, the 5th cartridge valve 35, the 6th cartridge valve 36, tilt cylinder 4.
The first described master cylinder 11, second master cylinder 12, first two-position four-way valve 23, second two-position four-way valve 24, the 3rd two-position four-way valve 25, the 4th two-position four-way valve 26, first three-position four-way valve 20, second three-position four-way valve 21, the 3rd three-position four-way valve 22, first relief valve 27, second relief valve 28, first cartridge valve 31, second cartridge valve 32, the 3rd cartridge valve 33, the 4th cartridge valve 34, the 5th cartridge valve 35, the 6th cartridge valve 36, tilt cylinder 4 are connected by pipeline; The C mouth of the first described cartridge valve 31, second cartridge valve 32 connects A mouth and the B mouth of the first two-position four-way valve 23 respectively, and the first two-position four-way valve 23 controls the opening and closing of the first cartridge valve 31, second cartridge valve 32; The 3rd described cartridge valve 33, the C mouth of the 4th cartridge valve 34 connect A mouth and the B mouth of the second two-position four-way valve 24 respectively, and the second two-position four-way valve 24 controls the opening and closing of the 3rd cartridge valve 33, the 4th cartridge valve 34; The 5th described cartridge valve 35, the C mouth of the 6th cartridge valve 36 connect A mouth and the B mouth of the 3rd three-position four-way valve 22 respectively, and the 3rd three-position four-way valve 22 controls the opening and closing of the 5th cartridge valve 35, the 6th cartridge valve 36; The second described three-position four-way valve 21 controls tilt cylinder 4, decides positive and negative pump.
The first described two-position four-way valve 23, second two-position four-way valve 24, the 3rd two-position four-way valve 25, the 4th two-position four-way valve 26 and the first three-position four-way valve 20, second three-position four-way valve 21, the 3rd three-position four-way valve 22 are all solenoid directional control valve.
Cartridge valve cartridge valve comprises the first master cylinder 11, second master cylinder 12, first two-position four-way valve 23, second two-position four-way valve 24, the 3rd two-position four-way valve 25, the 4th two-position four-way valve 26, first three-position four-way valve 20, second three-position four-way valve 21, the 3rd three-position four-way valve 22, first relief valve 27, second relief valve 28, first cartridge valve 31, second cartridge valve 32, the 3rd cartridge valve 33, the 4th cartridge valve 34, the 5th cartridge valve 35, the 6th cartridge valve 36, tilt cylinder 4.
Working principle of the present utility model:
Low positive pressure pump pumping front half part: the first three-position four-way valve 20 electromagnet DT2, the second three-position four-way valve 21 electromagnet DT4, the 3rd three-position four-way valve 22 electromagnet DT5, the second two-position four-way valve 24 electromagnet DT8 obtain electric, the electromagnet DT7 of the first two-position four-way valve 23 must not be electric, then the first cartridge valve 31 is closed, second cartridge valve 32 is opened, the first master cylinder 11 rod chamber oil-feed; The electromagnet DT5 of the 3rd three-position four-way valve 22 obtains electric, 5th cartridge valve 35 is opened, 6th cartridge valve 36 is closed, the electromagnet DT8 of the second two-position four-way valve 24 obtains electric, 3rd cartridge valve 33 is opened, 4th cartridge valve 34 is closed, and realize the second master cylinder 12 rod chamber backswing cylinder, this achieves the low positive pressure pump of the first master cylinder 11.
The principle of anti-pump is the same, just coordinates tilt cylinder to realize anti-pump.
As shown in Figure 3, two when moving back piston: the first three-position four-way valve 20 electromagnet DT2 obtains electric.Second three-position four-way valve 21 is in meta state, does not need tilt cylinder work.First two-position four-way valve 23 electromagnet DT7 must not be electric, then the first cartridge valve 31 is closed, and the second cartridge valve 32 is opened, the first master cylinder 11 rod chamber oil-feed; 3rd three-position four-way valve 22 electromagnet must not be electric, and the 5th cartridge valve 35 is opened, and the 6th cartridge valve 36 is opened, and the second master cylinder 12 rod chamber realizes UNICOM, left and right rodless cavity UNICOM; Valve second two-position four-way valve 24 electromagnet DT8 must not be electric, and the 3rd cartridge valve 33 is closed, and the 4th cartridge valve 34 is opened, then the first master cylinder 11 rodless cavity backswing cylinder.Two piston function of moving back realizes.
As shown in Figure 2, when singly moving back piston: the first three-position four-way valve 20 electromagnet DT2, the 3rd three-position four-way valve 22 electromagnet DT5 obtain electric.First two-position four-way valve 23 electromagnet DT7 must not be electric, then the first cartridge valve 31 is closed, and the second cartridge valve 32 is opened, the first master cylinder 11 rod chamber oil-feed; 3rd three-position four-way valve 22 electromagnet DT5 obtains electric, and the 5th cartridge valve 35 is opened, and the 6th cartridge valve 36 is closed; Second two-position four-way valve 24 electromagnet DT8 must not be electric, and the 3rd cartridge valve 33 is closed, and the 4th cartridge valve 34 is opened, then the first master cylinder 11 rodless cavity backswing cylinder, realizes left side cylinder and move back piston.
The above, be only the utility model preferred embodiment, therefore can not limit with this scope that the utility model implements, the equivalence namely done according to the utility model claim and description change with modify, all should still belong in scope that the utility model patent contains.
Claims (2)
1. one kind two can be moved back concrete piston pumping main valve block, it is characterized in that: comprise the first master cylinder (11), second master cylinder (12), first two-position four-way valve (23), second two-position four-way valve (24), 3rd two-position four-way valve (25), 4th two-position four-way valve (26), first three-position four-way valve (20), second three-position four-way valve (21), 3rd three-position four-way valve (22), first relief valve (27), second relief valve (28), first cartridge valve (31), second cartridge valve (32), 3rd cartridge valve (33), 4th cartridge valve (34), 5th cartridge valve (35), 6th cartridge valve (36), tilt cylinder (4), described the first master cylinder (11), second master cylinder (12), first two-position four-way valve (23), second two-position four-way valve (24), 3rd two-position four-way valve (25), 4th two-position four-way valve (26), first three-position four-way valve (20), second three-position four-way valve (21), 3rd three-position four-way valve (22), first relief valve (27), second relief valve (28), first cartridge valve (31), second cartridge valve (32), 3rd cartridge valve (33), 4th cartridge valve (34), 5th cartridge valve (35), 6th cartridge valve (36), tilt cylinder (4) is connected by pipeline, described the first cartridge valve (31), the C mouth of the second cartridge valve (32) connect A mouth and the B mouth of the first two-position four-way valve (23) respectively, and the first two-position four-way valve (23) controls the opening and closing of the first cartridge valve (31), the second cartridge valve (32), the 3rd described cartridge valve (33), the C mouth of the 4th cartridge valve (34) connect A mouth and the B mouth of the second two-position four-way valve (24) respectively, and the second two-position four-way valve (24) controls the opening and closing of the 3rd cartridge valve (33), the 4th cartridge valve (34), the 5th described cartridge valve (35), the C mouth of the 6th cartridge valve (36) connect the 3rd three-position four-way valve (22) A mouth and B mouth respectively, and the 3rd three-position four-way valve (22) controls the opening and closing of the 5th cartridge valve (35), the 6th cartridge valve (36), described the second three-position four-way valve (21) controls tilt cylinder (4), decides positive and negative pump.
2. according to claim 1ly two can move back concrete piston pumping main valve block, it is characterized in that: described the first two-position four-way valve (23), the second two-position four-way valve (24), the 3rd two-position four-way valve (25), the 4th two-position four-way valve (26) and the first three-position four-way valve (20), the second three-position four-way valve (21), the 3rd three-position four-way valve (22) are all solenoid directional control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520744781.5U CN205078531U (en) | 2015-09-24 | 2015-09-24 | Concrete piston pump sending main valve piece can two move back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520744781.5U CN205078531U (en) | 2015-09-24 | 2015-09-24 | Concrete piston pump sending main valve piece can two move back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205078531U true CN205078531U (en) | 2016-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520744781.5U Active CN205078531U (en) | 2015-09-24 | 2015-09-24 | Concrete piston pump sending main valve piece can two move back |
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| CN (1) | CN205078531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725500A (en) * | 2017-08-30 | 2018-02-23 | 武汉船用机械有限责任公司 | A kind of cylinder type hydraulic system for lifting |
-
2015
- 2015-09-24 CN CN201520744781.5U patent/CN205078531U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725500A (en) * | 2017-08-30 | 2018-02-23 | 武汉船用机械有限责任公司 | A kind of cylinder type hydraulic system for lifting |
| CN107725500B (en) * | 2017-08-30 | 2019-08-02 | 武汉船用机械有限责任公司 | A kind of cylinder type hydraulic system for lifting |
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| GR01 | Patent grant |