CN204664030U - A kind of hydraulic control architectures improving lift stable operation - Google Patents
A kind of hydraulic control architectures improving lift stable operation Download PDFInfo
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- CN204664030U CN204664030U CN201520308061.4U CN201520308061U CN204664030U CN 204664030 U CN204664030 U CN 204664030U CN 201520308061 U CN201520308061 U CN 201520308061U CN 204664030 U CN204664030 U CN 204664030U
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Abstract
The utility model relates to a kind of hydraulic control architectures improving lift stable operation, comprise oil hydraulic cylinder (17), 3-position 4-way electro-hydraulic proportion reversing valve (14) and three-position four-way electromagnetic directional valve (15), by two oil circuits, a high-pressure ball valve (2) is connected respectively in described oil hydraulic cylinder (17) rod chamber one end, these two high-pressure ball valves are all connected with 3-position 4-way electro-hydraulic proportion reversing valve (14) B mouth, and the T mouth of described 3-position 4-way electro-hydraulic proportion reversing valve (14) is connected with wafer type one-way valve (3).The utility model has the not smooth phenomenon of oil return when eliminating lift decline station, improves fortune volume efficiency; Reduce oil cylinder, hydrovalve user cost; Avoid lift to answer back to exception repairing fault that step rate causes; Simplify hydraulic principle, be convenient to the investigation of fault; The features such as lifting means essenceization safety.
Description
Technical field
The utility model relates to Hydraulic Power Transmission System field, particularly relates to a kind of hydraulic control architectures improving lift stable operation.
Background technique
3 inserting elements are designed in oil hydraulic circuit, i.e. cartridge valve and control cover plate and cartridge valve, occurs when lift declines that oil return is smooth, causes plug cavity pressure to fluctuate, rate of descent is slow, pipeline vibrations are huge, there will be automatic rise abnormity phenomenon, automatically cannot transport volume when lift is in decline station, need manually to produce by electrically adjusting to often to maintain to oil condition, cause lift fluctuation of service, often step rate is answered back to distortion, even the danger accident event of turnup.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of hydraulic control architectures improving lift stable operation, has the not smooth phenomenon of oil return when eliminating lift decline station, improves fortune volume efficiency; Reduce oil cylinder, hydrovalve user cost; Avoid lift to answer back to exception repairing fault that step rate causes; Simplify hydraulic principle, be convenient to the investigation of fault; The features such as lifting means essenceization safety.
The utility model solves the technological scheme that its technical problem adopts: provide a kind of hydraulic control architectures improving lift stable operation, comprise oil hydraulic cylinder, 3-position 4-way electro-hydraulic proportion reversing valve and three-position four-way electromagnetic directional valve, by two oil circuits, a high-pressure ball valve is connected respectively in described oil hydraulic cylinder rod chamber one end, these two high-pressure ball valves are all connected with 3-position 4-way electro-hydraulic proportion reversing valve B mouth, and the T mouth of described 3-position 4-way electro-hydraulic proportion reversing valve is connected with wafer type one-way valve; Described oil hydraulic cylinder rodless cavity one end is connected with high-pressure ball valve II respectively by two oil circuits, these two high-pressure ball valves are connected with the B mouth of two-way plug-in valve and the X mouth that controls cover plate respectively by oil circuit, the A mouth of described two-way plug-in valve is connected with the A mouth of 3-position 4-way electro-hydraulic proportion reversing valve, and the P mouth of described 3-position 4-way electro-hydraulic proportion reversing valve is connected with two high-pressure ball valves II respectively; The Z1 end of described control cover plate is connected with A mouth with the B mouth of three-position four-way electromagnetic directional valve respectively with Y end, the P mouth of described three-position four-way electromagnetic directional valve is connected with two high-pressure ball valves I respectively, the T mouth of three-position four-way electromagnetic directional valve is connected with low pressure ball valve, by replacing cartridge valve originally with 3-position 4-way electro-hydraulic proportion reversing valve, when making lift decline station, there will not be the not smooth phenomenon of oil return, by installing three-position four-way electromagnetic directional valve, reduce the cost of oil cylinder and hydrovalve use.
Supplement as to the one of technological scheme described in the utility model, the pipeline between the A mouth of described two-way plug-in valve and the A mouth of 3-position 4-way electro-hydraulic proportion reversing valve is provided with a pressure measurement exhaust joint.
Supplement as to the one of technological scheme described in the utility model, the pipeline that the P mouth of the pipeline that the P mouth of described three-position four-way electromagnetic directional valve is connected with two high-pressure ball valves I and 3-position 4-way electro-hydraulic proportion reversing valve is connected with two high-pressure ball valves I is provided with a pressure measurement exhaust joint.
Supplement as to the one of technological scheme described in the utility model, the pipeline that the T mouth of described 3-position 4-way electro-hydraulic proportion reversing valve is connected with wafer type one-way valve is provided with a pressure measurement exhaust joint.
Supplement as to the one of technological scheme described in the utility model, described 3-position 4-way electro-hydraulic proportion reversing valve a end is furnished with oil suction chamber, b end is furnished with out oil pocket, and a holds oil suction chamber to be connected with high-pressure ball valve I by oil pipe, and b is brought out oil pocket and is connected with low pressure ball valve by oil pipe.
Supplement as to the one of technological scheme described in the utility model, the oil pipe that a of described 3-position 4-way electro-hydraulic proportion reversing valve holds X chamber to be connected with high-pressure ball valve I is provided with a pressure measurement exhaust joint.
Supplement as to the one of technological scheme described in the utility model, the b of described 3-position 4-way electro-hydraulic proportion reversing valve brings out on oil pipe that oil pocket is connected with low pressure ball valve and is provided with a pressure measurement exhaust joint.
Supplement as to the one of technological scheme described in the utility model, described pressure measurement exhaust joint is connected with shock-proof pressure gauge with miniature pressure measurement flexible pipe I successively by external oil pipe.
Supplement as to the one of technological scheme described in the utility model, the oil pipe that described high-pressure ball valve II is connected with the B mouth of two-way plug-in valve is provided with pressure measurement exhaust joint, miniature pressure measurement flexible pipe II and pressure relay successively.
By being provided with pressure measurement exhaust joint on each pipeline, be convenient to faut detection and exhaust.
By installing miniature pressure measurement flexible pipe I and shock-proof pressure gauge, be used for the pressure value of measuring circuit inside, the pressure of loop inner can be observed by people, by installing miniature pressure measurement flexible pipe II and pressure relay, the parameter be used for required for setting pressure control.
beneficial effect
The utility model relates to a kind of hydraulic control architectures improving lift stable operation, by replacing cartridge valve originally with 3-position 4-way electro-hydraulic proportion reversing valve, when making lift decline station, there will not be the not smooth phenomenon of oil return, by installing three-position four-way electromagnetic directional valve, reduce the cost of oil cylinder and hydrovalve use.The utility model also has the not smooth phenomenon of oil return when eliminating lift decline station, improves fortune volume efficiency; Reduce oil cylinder, hydrovalve user cost; Avoid lift to answer back to exception repairing fault that step rate causes; Simplify hydraulic principle, be convenient to the investigation of fault; The features such as lifting means essenceization safety.
Accompanying drawing explanation
Fig. 1 is Hydraulic Power Transmission System view of the present utility model.
Diagram: 1, high-pressure ball valve I, 2, high-pressure ball valve II, 3, wafer type one-way valve, 4, two-way plug-in valve, 5, control cover plate, 9, miniature pressure measurement flexible pipe I, 10, shock-proof pressure gauge, 11, pressure measurement exhaust joint, 12, pressure relay, 13, miniature pressure measurement flexible pipe II, 14,3-position 4-way electro-hydraulic proportion reversing valve, 15, three-position four-way electromagnetic directional valve, 16, low pressure ball valve, 17, oil hydraulic cylinder.
Embodiment
Below in conjunction with specific embodiment, set forth the utility model further.Should be understood that these embodiments are only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.
Mode of execution of the present utility model relates to a kind of hydraulic control architectures improving lift stable operation, as shown in Figure 1, comprise oil hydraulic cylinder 17,3-position 4-way electro-hydraulic proportion reversing valve 14 and three-position four-way electromagnetic directional valve 15, by two oil circuits, a high-pressure ball valve 2 is connected respectively in described oil hydraulic cylinder 17 rod chamber one end, these two high-pressure ball valves are all connected with 3-position 4-way electro-hydraulic proportion reversing valve 14B mouth, and the T mouth of described 3-position 4-way electro-hydraulic proportion reversing valve 14 is connected with wafer type one-way valve 3; Described oil hydraulic cylinder 17 rodless cavity one end is connected with high-pressure ball valve II 2 respectively by two oil circuits, these two high-pressure ball valves 2 are connected with the B mouth of two-way plug-in valve 4 and the X mouth that controls cover plate 5 respectively by oil circuit, the A mouth of described two-way plug-in valve 4 is connected with the A mouth of 3-position 4-way electro-hydraulic proportion reversing valve 14, and the P mouth of described 3-position 4-way electro-hydraulic proportion reversing valve 14 is connected with two high-pressure ball valves II 2 respectively; The Z1 end of described control cover plate 5 is connected with A mouth with the B mouth of three-position four-way electromagnetic directional valve 15 respectively with Y end, the P mouth of described three-position four-way electromagnetic directional valve 15 is connected with two high-pressure ball valves I 1 respectively, and the T mouth of three-position four-way electromagnetic directional valve 15 is connected with low pressure ball valve 16.
Pipeline between the A mouth of described two-way plug-in valve 4 and the A mouth of 3-position 4-way electro-hydraulic proportion reversing valve 14 is provided with a pressure measurement exhaust joint 11.
The pipeline that the P mouth of the pipeline that the P mouth of described three-position four-way electromagnetic directional valve 15 is connected with two high-pressure ball valves I 1 and 3-position 4-way electro-hydraulic proportion reversing valve 14 is connected with two high-pressure ball valves I 1 is provided with a pressure measurement exhaust joint 11.
The pipeline that the T mouth of described 3-position 4-way electro-hydraulic proportion reversing valve 14 is connected with wafer type one-way valve 3 is provided with a pressure measurement exhaust joint 11.
Described 3-position 4-way electro-hydraulic proportion reversing valve 14a end is furnished with oil suction chamber, and b end is furnished with out oil pocket, and a holds oil suction chamber to be connected with high-pressure ball valve I 1 by oil pipe, and b is brought out oil pocket and is connected with low pressure ball valve 16 by oil pipe.
The oil pipe that a of described 3-position 4-way electro-hydraulic proportion reversing valve 14 holds X chamber to be connected with high-pressure ball valve I 1 is provided with a pressure measurement exhaust joint 11.
The b of described 3-position 4-way electro-hydraulic proportion reversing valve 14 brings out on oil pipe that oil pocket is connected with low pressure ball valve 16 and is provided with a pressure measurement exhaust joint 11.
Described pressure measurement exhaust joint 11 is connected with shock-proof pressure gauge 10 with miniature pressure measurement flexible pipe I 9 successively by external oil pipe.
The oil pipe that described high-pressure ball valve II 2 is connected with the B mouth of two-way plug-in valve 4 is provided with pressure measurement exhaust joint 11, miniature pressure measurement flexible pipe II 13 and pressure relay 12 successively.
Embodiment 1
When lift rises, electricity given by 3-position 4-way electro-hydraulic proportion reversing valve 14B coil, and electricity given by three-position four-way electromagnetic directional valve 15A coil; When rising puts in place and stops, 3-position 4-way electro-hydraulic proportion reversing valve 14 does not give electricity, and three-position four-way electromagnetic directional valve 15 is not given electric; When lift declines, electricity given by 3-position 4-way electro-hydraulic proportion reversing valve 14A coil, and electricity given by three-position four-way electromagnetic directional valve 15A coil; When decline puts in place and stops, 3-position 4-way electro-hydraulic proportion reversing valve 14 does not give electricity, and three-position four-way electromagnetic directional valve 15 is not given electric.
The B coil of three-position four-way electromagnetic directional valve 15 does not participate in work.
Claims (9)
1. one kind is improved the hydraulic control architectures of lift stable operation, comprise oil hydraulic cylinder (17), 3-position 4-way electro-hydraulic proportion reversing valve (14) and three-position four-way electromagnetic directional valve (15), it is characterized in that: by two oil circuits, a high-pressure ball valve II (2) is connected respectively in described oil hydraulic cylinder (17) rod chamber one end, these two high-pressure ball valves are all connected with 3-position 4-way electro-hydraulic proportion reversing valve (14) B mouth, and the T mouth of described 3-position 4-way electro-hydraulic proportion reversing valve (14) is connected with wafer type one-way valve (3);
Described oil hydraulic cylinder (17) rodless cavity one end is connected with high-pressure ball valve II (2) respectively by two oil circuits, these two high-pressure ball valves (2) are connected with the B mouth of two-way plug-in valve (4) and the X mouth that controls cover plate (5) respectively by oil circuit, the A mouth of described two-way plug-in valve (4) is connected with the A mouth of 3-position 4-way electro-hydraulic proportion reversing valve (14), and the P mouth of described 3-position 4-way electro-hydraulic proportion reversing valve (14) is connected with two high-pressure ball valves II (2) respectively;
The Z1 end of described control cover plate (5) is connected with A mouth with the B mouth of three-position four-way electromagnetic directional valve (15) respectively with Y end, the P mouth of described three-position four-way electromagnetic directional valve (15) is connected with two high-pressure ball valves I (1) respectively, and the T mouth of three-position four-way electromagnetic directional valve (15) is connected with low pressure ball valve (16).
2. a kind of hydraulic control architectures improving lift stable operation according to claim 1, is characterized in that: the pipeline between the A mouth of described two-way plug-in valve (4) and the A mouth of 3-position 4-way electro-hydraulic proportion reversing valve (14) is provided with a pressure measurement exhaust joint (11).
3. a kind of hydraulic control architectures improving lift stable operation according to claim 1, is characterized in that: the pipeline that the P mouth of the pipeline that the P mouth of described three-position four-way electromagnetic directional valve (15) is connected with two high-pressure ball valves I (1) and 3-position 4-way electro-hydraulic proportion reversing valve (14) is connected with two high-pressure ball valves I (1) is provided with a pressure measurement exhaust joint (11).
4. a kind of hydraulic control architectures improving lift stable operation according to claim 3, is characterized in that: the pipeline that the T mouth of described 3-position 4-way electro-hydraulic proportion reversing valve (14) is connected with wafer type one-way valve (3) is provided with a pressure measurement exhaust joint (11).
5. a kind of hydraulic control architectures improving lift stable operation according to claim 4, it is characterized in that: described 3-position 4-way electro-hydraulic proportion reversing valve (14) a end is furnished with oil suction chamber, b end is furnished with out oil pocket, a holds oil suction chamber to be connected with high-pressure ball valve I (1) by oil pipe, and b is brought out oil pocket and is connected with low pressure ball valve (16) by oil pipe.
6. a kind of hydraulic control architectures improving lift stable operation according to claim 5, is characterized in that: the oil pipe that a of described 3-position 4-way electro-hydraulic proportion reversing valve (14) holds X chamber to be connected with high-pressure ball valve I (1) is provided with a pressure measurement exhaust joint (11).
7. a kind of hydraulic control architectures improving lift stable operation according to claim 6, is characterized in that: the b of described 3-position 4-way electro-hydraulic proportion reversing valve (14) brings out on oil pipe that oil pocket is connected with low pressure ball valve (16) and is provided with a pressure measurement exhaust joint (11).
8. a kind of hydraulic control architectures improving lift stable operation according to Claims 2 or 3, is characterized in that: described pressure measurement exhaust joint (11) is connected with shock-proof pressure gauge (10) with miniature pressure measurement flexible pipe I (9) successively by external oil pipe.
9. a kind of hydraulic control architectures improving lift stable operation according to claim 1, is characterized in that: the oil pipe that described high-pressure ball valve II (2) is connected with the B mouth of two-way plug-in valve (4) is provided with pressure measurement exhaust joint (11), miniature pressure measurement flexible pipe II (13) and pressure relay (12) successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308061.4U CN204664030U (en) | 2015-05-13 | 2015-05-13 | A kind of hydraulic control architectures improving lift stable operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520308061.4U CN204664030U (en) | 2015-05-13 | 2015-05-13 | A kind of hydraulic control architectures improving lift stable operation |
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| Publication Number | Publication Date |
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| CN204664030U true CN204664030U (en) | 2015-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520308061.4U Expired - Fee Related CN204664030U (en) | 2015-05-13 | 2015-05-13 | A kind of hydraulic control architectures improving lift stable operation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402055A (en) * | 2016-08-26 | 2017-02-15 | 广西柳州银海铝业股份有限公司 | Hydraulic system of coil stripping car |
-
2015
- 2015-05-13 CN CN201520308061.4U patent/CN204664030U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402055A (en) * | 2016-08-26 | 2017-02-15 | 广西柳州银海铝业股份有限公司 | Hydraulic system of coil stripping car |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20180513 |
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| CF01 | Termination of patent right due to non-payment of annual fee |