CN103267038A - Hydraulic control loop capable of controlling multiple lifting platforms - Google Patents
Hydraulic control loop capable of controlling multiple lifting platforms Download PDFInfo
- Publication number
- CN103267038A CN103267038A CN2013101675419A CN201310167541A CN103267038A CN 103267038 A CN103267038 A CN 103267038A CN 2013101675419 A CN2013101675419 A CN 2013101675419A CN 201310167541 A CN201310167541 A CN 201310167541A CN 103267038 A CN103267038 A CN 103267038A
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- Prior art keywords
- oil
- hydraulic
- oil circuit
- circuit
- raising platform
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- 239000003921 oil Substances 0.000 claims description 117
- 239000010720 hydraulic oil Substances 0.000 claims description 26
- 239000002828 fuel tank Substances 0.000 claims description 16
- 230000001276 controlling effect Effects 0.000 claims description 11
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 abstract 2
- 230000003028 elevating effect Effects 0.000 description 8
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- -1 filter cleaner Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
A hydraulic control loop capable of controlling multiple lifting platforms comprises a main loop and lifting platform branches, the main loop comprises an oil tank, a filter, a hydraulic pump, a pressure gauge, a two-position three-way electromagnetic valve and an overflow valve, and each lifting platform branch comprises a three-position three-way electromagnetic valve, hydraulic cylinders, a lifting platform and a throttling valve. Control number of the hydraulic lifting platforms can be increased or decreased by increasing or decreasing hydraulic control loops, so that the requirement on control of multiple hydraulic lifting platforms in a production line is met, the hydraulic control loop is simplified, and cost is lowered.
Description
Technical field
The present invention relates to a kind of hydraulic control device, especially relate to a kind of hydraulic control circuit of controlling many raising platforms.
Background technique
At present, a hydraulic elevating platform is to adopt an oil hydraulic pump and oil hydraulic circuit control lifting, in the production line or equipment be made up of a plurality of hydraulic elevating platforms, adopts hydraulic elevating platform of an oil hydraulic pump and oil hydraulic circuit control, to make the oil hydraulic circuit complexity, the cost height.Now in order to satisfy production line or the equipment needs of being formed by a plurality of hydraulic elevating platforms, designed a kind of hydraulic control circuit of realizing controlling many raising platform liftings, each hydraulic elevating platform has an independent hydraulic control circuit in the hydraulic control circuit, can realize can one rising separately, descending of each raising platform, also can several or all rise simultaneously, descend.
Summary of the invention
The objective of the invention is the deficiency for solving the problems of the technologies described above, a kind of hydraulic control circuit of controlling many raising platforms is provided, can realize controlling independent rising, the decline of each raising platform, also can realize controlling several or all rising simultaneously, descend, satisfy the control of many hydraulic elevating platforms, simplify hydraulic control circuit, reduce cost.
The present invention is the deficiency that solves the problems of the technologies described above, and the technological scheme that adopts is:
A kind of hydraulic control circuit of controlling many raising platforms, comprise major loop and raising platform branch road, described major loop comprises fuel tank, filter cleaner, oil hydraulic pump, pressure gauge, two-position three way magnetic valve, relief valve, oil in the described fuel tank filters the back through filter cleaner and feeds in the oil hydraulic pump 3, oil hydraulic pump pressure oil output P, relief valve is regulated the working pressure of hydraulic oil P, pressure gauge shows the working pressure numerical value of hydraulic oil P, pressure oil P feeds two-position three way magnetic valve by oil circuit P1, when raising platform is in the rising working state, M-YV is charged for the two-position three way magnetic valve coil, and hydraulic oil P connects oil circuit P3 by oil circuit P1 and flows out, and feeds the raising platform branch road then; Be at raising platform and stop or during descent mode, two-position three way magnetic valve coil M-YV outage, hydraulic oil P connects oil circuit P2 by oil circuit P1, and hydraulic oil P gets back to fuel tank, and oil hydraulic pump is in the state of off-load.
Described raising platform branch road, comprise 3-position-3-way solenoid valve, oil hydraulic cylinder, raising platform, throttle valve, described 3-position-3-way solenoid valve is connected oil circuit P3 and oil circuit P5 respectively, oil circuit P4 and oil circuit P5, when electromagnetic coil YV1 in the 3-position-3-way solenoid valve switches on, oil circuit P3 and oil circuit P5 connect, hydraulic oil P enters oil hydraulic cylinder, oil hydraulic cylinder promotes raising platform and rises, when electromagnetic coil YV2 in the 3-position-3-way solenoid valve switches on, oil circuit P5 and oil circuit P4 connect, raising platform by the deadweight with hydraulic oil P in the oil hydraulic cylinder by oil circuit P5 to oil circuit P4 through throttle valve, return fuel tank, throttle valve adjustment raising platform rate of descent, electromagnetic coil YV1 in the solenoid valve, electromagnetic coil YV2 outage, oil circuit P3 and oil circuit P5, oil circuit P4 and oil circuit P5 disconnect, and raising platform keeps stop position.
Described raising platform branch road is provided with at least one, is state setting in parallel between each branch road.
The invention has the beneficial effects as follows: a kind of hydraulic control circuit of controlling many raising platforms can be realized increase or reduce hydraulic elevating platform control number by increasing or reduce hydraulic control circuit, satisfy the control of many hydraulic elevating platforms in the production line, simplify hydraulic control circuit, reduce cost.
Description of drawings
Fig. 1 is loop of the present invention sketch.
Graphical indicia: 1, fuel tank; 2, filter cleaner; 3, oil hydraulic pump; 4, pressure gauge; 5, two-position three way magnetic valve; 6, relief valve; 7, throttle valve; 8,3-position-3-way solenoid valve; 9, oil hydraulic cylinder; 10, raising platform.
Embodiment
Shown in the figure, embodiment is as follows:
A kind of hydraulic control circuit of controlling many raising platforms, comprise major loop and raising platform branch road, described major loop comprises fuel tank 1, filter cleaner 2, oil hydraulic pump 3, pressure gauge 4, two-position three way magnetic valve 5, relief valve 6, oil in the described fuel tank 1 filters the back through filter cleaner 2 and feeds in the oil hydraulic pump 3, oil hydraulic pump 3 pressure oil output P, the working pressure that relief valve 6 is regulated hydraulic oil P, pressure gauge 4 shows the working pressure numerical value of hydraulic oil P, pressure oil P feeds two-position three way magnetic valve 5 by oil circuit P1, when raising platform is in the rising working state, 5 coil M-YV are charged for two-position three way magnetic valve, hydraulic oil P connects oil circuit P3 by oil circuit P1 and flows out, and feeds the raising platform branch road then; Be at raising platform and stop or during descent mode, two-position three way magnetic valve 5 electromagnetic coil M-YV outage, hydraulic oil P connects oil circuit P2 by oil circuit P1, and hydraulic oil P gets back to fuel tank 1, and oil hydraulic pump is in the state of off-load.
Described raising platform branch road, comprise 3-position-3-way solenoid valve 8, oil hydraulic cylinder 9, raising platform 10, throttle valve 7, described 3-position-3-way solenoid valve 8 is connected oil circuit P3 and oil circuit P5 respectively, oil circuit P4 and oil circuit P5, when electromagnetic coil YV1 in the 3-position-3-way solenoid valve 8 switches on, oil circuit P3 and oil circuit P5 connect, hydraulic oil P enters oil hydraulic cylinder 9, oil hydraulic cylinder 9 promotes raising platform 10 and rises, when electromagnetic coil YV2 in the 3-position-3-way solenoid valve 8 switches on, oil circuit P5 and oil circuit P4 connect, raising platform 10 by deadweight with hydraulic oil P in the oil hydraulic cylinder (9) by oil circuit P5 to oil circuit P4 through throttle valve 7, return fuel tank 1, throttle valve 7 is regulated raising platform 10 rate of descent, electromagnetic coil YV1 in the solenoid valve 8, the YV2 outage, oil circuit P3 and oil circuit P5, oil circuit P4 and oil circuit P5 disconnect, and raising platform 10 keeps stop position.
Described raising platform branch road is provided with at least one, is state setting in parallel between each branch road.
When raising platform is worked, oil hydraulic pump 3 starts, hydraulic oil is through fuel tank 1, filter cleaner 2, by oil hydraulic pump 3 pressure oil output P, the working pressure that relief valve 6 is regulated hydraulic oil P1, when raising platform rising working state, 5 coil M-YV are charged for two-position three way magnetic valve, and oil circuit P1 connects oil circuit P3, is the oil hydraulic cylinder fuel feeding.Be at raising platform and stop or during descent mode, its solenoid valve 5 coil M-YV disconnect, oil circuit P1 connects oil circuit P2, and hydraulic oil is got back to fuel tank 1, and oil hydraulic pump is in the state of off-load.
When one or more raising platforms need rise in the hydraulic pressure platform raising platform 10, at first two-position three way magnetic valve 5 coil M-YV are charged, oil circuit P1 connects P3, electromagnetic coil YV1 energising in the 3-position-3-way solenoid valve 8 of raising platform 10 correspondences that need rise, oil circuit P3 and oil circuit P5 connect, hydraulic oil enters oil hydraulic cylinder 9, and oil hydraulic cylinder 9 promotes corresponding raising platform 10 and rises.
When one or more raising platforms need descend in the hydraulic pressure platform raising platform 10, electromagnetic coil YV2 energising in the corresponding 3-position-3-way solenoid valve 8, oil circuit P5 and oil circuit P4 connect, raising platform 10 arrives P4 through throttle valve 7 with hydraulic oil in the oil hydraulic cylinder 9 by P5 by deadweight, return fuel tank 1, throttle valve 7 is regulated the raising platform rate of descent.
Electromagnetic coil YV1, YV2 outage in the 3-position-3-way solenoid valve 8, oil circuit P3 and oil circuit P5, oil circuit P4 and oil circuit P5 disconnect, and raising platform keeps stop position.
Claims (3)
- One kind control many raising platforms hydraulic control circuit, it is characterized in that: comprise major loop and raising platform branch road, described major loop comprises fuel tank (1), filter cleaner (2), oil hydraulic pump (3), pressure gauge (4), two-position three way magnetic valve (5), relief valve (6), oil in the described fuel tank (1) filters the back through filter cleaner (2) and feeds in the oil hydraulic pump (3), oil hydraulic pump (3) pressure oil output P, relief valve (6) is regulated the working pressure of hydraulic oil P, pressure gauge (4) shows the working pressure numerical value of hydraulic oil P, pressure oil P feeds two-position three way magnetic valve (5) by oil circuit P1, when raising platform is in the rising working state, coil M-YV is charged for two-position three way magnetic valve (5), hydraulic oil P connects oil circuit P3 by oil circuit P1 and flows out, and feeds the raising platform branch road then; Be at raising platform and stop or during descent mode, two-position three way magnetic valve (5) coil M-YV outage, hydraulic oil P connects oil circuit P2 by oil circuit P1, and hydraulic oil P gets back to fuel tank (1), and oil hydraulic pump is in the state of off-load.
- 2. a kind of hydraulic control circuit of controlling many raising platforms according to claim 1, it is characterized in that: described raising platform branch road, comprise 3-position-3-way solenoid valve (8), oil hydraulic cylinder (9), raising platform (10), throttle valve (7), described 3-position-3-way solenoid valve (8) is connected oil circuit P3 and oil circuit P5 respectively, oil circuit P4 and oil circuit P5, when electromagnetic coil YV1 switches in the 3-position-3-way solenoid valve (8), oil circuit P3 and oil circuit P5 connect, hydraulic oil P enters oil hydraulic cylinder (9), oil hydraulic cylinder (9) promotes raising platform (10) and rises, when electromagnetic coil YV2 switches in the 3-position-3-way solenoid valve (8), oil circuit P5 and oil circuit P4 connect, raising platform (10) by deadweight with hydraulic oil P in the oil hydraulic cylinder (9) by oil circuit P5 to oil circuit P4 through throttle valve (7), return fuel tank (1), throttle valve (7) is regulated raising platform (10) rate of descent, electromagnetic coil YV1 in the solenoid valve (8), the YV2 outage, oil circuit P3 and oil circuit P5, oil circuit P4 and oil circuit P5 disconnect, and raising platform (10) keeps stop position.
- 3. a kind of hydraulic control circuit of controlling many raising platforms according to claim 1, it is characterized in that: described raising platform branch road is provided with at least one, is state setting in parallel between each branch road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310167541.9A CN103267038B (en) | 2013-05-09 | 2013-05-09 | Hydraulic control loop capable of controlling multiple lifting platforms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310167541.9A CN103267038B (en) | 2013-05-09 | 2013-05-09 | Hydraulic control loop capable of controlling multiple lifting platforms |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103267038A true CN103267038A (en) | 2013-08-28 |
| CN103267038B CN103267038B (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310167541.9A Expired - Fee Related CN103267038B (en) | 2013-05-09 | 2013-05-09 | Hydraulic control loop capable of controlling multiple lifting platforms |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481947A (en) * | 2014-12-08 | 2015-04-01 | 西南铝业（集团）有限责任公司 | Hydraulic control system shared by tilting furnaces |
| CN111288155A (en) * | 2020-03-19 | 2020-06-16 | 西安法士特汽车传动有限公司 | Cleaning device and cleaning method for hydraulic system of transmission |
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2013
- 2013-05-09 CN CN201310167541.9A patent/CN103267038B/en not_active Expired - Fee Related
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481947A (en) * | 2014-12-08 | 2015-04-01 | 西南铝业（集团）有限责任公司 | Hydraulic control system shared by tilting furnaces |
| CN111288155A (en) * | 2020-03-19 | 2020-06-16 | 西安法士特汽车传动有限公司 | Cleaning device and cleaning method for hydraulic system of transmission |
| CN111288155B (en) * | 2020-03-19 | 2024-05-14 | 西安法士特汽车传动有限公司 | Cleaning device and cleaning method for transmission hydraulic system |
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| Publication number | Publication date |
|---|---|
| CN103267038B (en) | 2017-02-08 |
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Effective date of registration: 20170704 Address after: 471200 Temple Bay Village, three Tuen Mun Town, Ruyang County, Henan, Luoyang Patentee after: Luoyang Senda emulsifier Co. Ltd. Address before: 471000 Henan city of Luoyang province high tech Zone Ze Road Patentee before: Luoyang Institute Of Science And Technology |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20210509 |
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| CF01 | Termination of patent right due to non-payment of annual fee |