CN103267038B - Hydraulic control loop capable of controlling multiple lifting platforms - Google Patents
Hydraulic control loop capable of controlling multiple lifting platforms Download PDFInfo
- Publication number
- CN103267038B CN103267038B CN201310167541.9A CN201310167541A CN103267038B CN 103267038 B CN103267038 B CN 103267038B CN 201310167541 A CN201310167541 A CN 201310167541A CN 103267038 B CN103267038 B CN 103267038B
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- hydraulic
- oil
- lifting platform
- oil circuit
- valve
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- 239000003921 oil Substances 0.000 claims description 78
- 239000010720 hydraulic oil Substances 0.000 claims description 27
- 239000002828 fuel tank Substances 0.000 claims description 16
- 230000007423 decrease Effects 0.000 claims description 8
- 230000000630 rising effect Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000007812 deficiency Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Fluid-Pressure Circuits (AREA)
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 controlling multiple stage lifting platform and return
Road.
Background technology
At present, a hydraulic elevator platform is to control lifting using a hydraulic pump and hydraulic circuit, by multiple hydraulic pressure liters
In the production line of fall platform composition or equipment, a hydraulic elevator platform is controlled using a hydraulic pump and hydraulic circuit, hydraulic pressure will be made
Loop is complicated, high cost.Now in order to meet the production line being made up of multiple hydraulic elevator platforms or equipment needs, devise a kind of real
Now control the hydraulic control circuit of multiple stage lifting of lifting table, in hydraulic control circuit, each hydraulic elevator platform has an independent hydraulic pressure
Control loop, it is possible to achieve each lifting platform can one individually rise, decline it is also possible to several or all rise simultaneously,
Decline.
Content of the invention
The purpose of the present invention is the deficiency for solving above-mentioned technical problem, provides a kind of hydraulic pressure control controlling multiple stage lifting platform
Loop processed, it is possible to achieve control the independent rising of each lifting platform, decline it is also possible to realize controlling several or all go up simultaneously
Rise, decline, meet the control of multiple stage hydraulic elevator platform, simplify hydraulic control circuit, reduces cost.
The present invention is the deficiency solving above-mentioned technical problem, be employed technical scheme comprise that：
A kind of hydraulic control circuit controlling multiple stage lifting platform, including major loop and lifting platform branch road, described major loop
Including fuel tank, cleaner, hydraulic pump, pressure gauge, two-position three way magnetic valve, overflow valve, the oil in described fuel tank is through cleaner
It is passed through after filtration in hydraulic pump 3, hydraulic pump pressure oil output P, the operating pressure of overflow valve regulation hydraulic oil P, pressure gauge shows
The operating pressure numerical value of hydraulic oil P, pressure oil P is passed through two-position three way magnetic valve by oil circuit P1, and lifting platform is in rising work
During state, coil M-YV is powered for two-position three way magnetic valve, and hydraulic oil P connects oil circuit P3 by oil circuit P1 and flows out, and then passes to rise
Fall platform branch road；When lifting platform is in stopping or descent mode, two-position three way magnetic valve coil M-YV power-off, hydraulic oil P
Oil circuit P2 is connected by oil circuit P1, hydraulic oil P returns to fuel tank, and hydraulic pump is in the state of off-load.
Described lifting platform branch road, including 3-position-3-way solenoid valve, hydraulic cylinder, lifting platform, choke valve, described three three
Three-way electromagnetic valve is respectively turned on oil circuit P3 and oil circuit P5, oil circuit P4 and oil circuit P5, when in 3-position-3-way solenoid valve, solenoid YV1 leads to
When electric, oil circuit P3 and oil circuit P5 connects, and hydraulic oil P enters hydraulic cylinder, and Hydraulic Cylinder lifting platform rises, when 3-position-3-way electromagnetism
In valve during solenoid YV2 energising, oil circuit P5 and oil circuit P4 connects, and hydraulic oil P in hydraulic cylinder is passed through oil by deadweight by lifting platform
Road P5 to oil circuit P4, through choke valve, returns fuel tank, throttle valve adjustment lifting platform decrease speed, solenoid YV1, electricity in magnetic valve
Magnetic coil YV2 power-off, oil circuit P3 and oil circuit P5, oil circuit P4 and oil circuit P5 disconnect, lifting platform stop-keeping position.
Described lifting platform branch road is provided with least one, is in that parallel connection is arranged between each branch road.
The invention has the beneficial effects as follows：A kind of hydraulic control circuit controlling multiple stage lifting platform can be by increasing or decreasing
Hydraulic control circuit is realized increasing or decreasing hydraulic elevator platform control number, meets the control of multiple stage hydraulic elevator platform in production line
System, simplifies hydraulic control circuit, reduces cost.
Brief description
Fig. 1 is the circuit schematics of the present invention.
Graphical indicia：1st, fuel tank；2nd, cleaner；3rd, hydraulic pump；4th, pressure gauge；5th, two-position three way magnetic valve；6th, overflow valve；
7th, choke valve；8th, 3-position-3-way solenoid valve；9th, hydraulic cylinder；10th, lifting platform.
Specific embodiment
Shown in figure, specific embodiment is as follows：
A kind of hydraulic control circuit controlling multiple stage lifting platform, including major loop and lifting platform branch road, described major loop
Including fuel tank 1, cleaner 2, hydraulic pump 3, pressure gauge 4, two-position three way magnetic valve 5, overflow valve 6, the oil in described fuel tank 1 passes through
Cleaner 2 is passed through in hydraulic pump 3 after filtering, hydraulic pump 3 pressure oil output P, and overflow valve 6 adjusts the operating pressure of hydraulic oil P, pressure
Power table 4 shows the operating pressure numerical value of hydraulic oil P, and pressure oil P is passed through two-position three way magnetic valve 5 by oil circuit P1, at lifting platform
When rising working condition, coil M-YV is powered for two-position three way magnetic valve 5, and hydraulic oil P connects oil circuit P3 by oil circuit P1 and flows out,
Then pass to lifting platform branch road；When lifting platform is in stopping or descent mode, two-position three way magnetic valve 5 solenoid M-
YV power-off, hydraulic oil P connects oil circuit P2 by oil circuit P1, and hydraulic oil P returns to fuel tank 1, and hydraulic pump is in the state of off-load.
Described lifting platform branch road, including 3-position-3-way solenoid valve 8, hydraulic cylinder 9, lifting platform 10, choke valve 7, described
3-position-3-way solenoid valve 8 is respectively turned on oil circuit P3 and oil circuit P5, oil circuit P4 and oil circuit P5, when electromagnetism in 3-position-3-way solenoid valve 8
During coil YV1 energising, oil circuit P3 and oil circuit P5 connects, and hydraulic oil P enters hydraulic cylinder 9, and hydraulic cylinder 9 promotes lifting platform 10 to rise,
When solenoid YV2 energising in 3-position-3-way solenoid valve 8, oil circuit P5 and oil circuit P4 connects, and lifting platform 10 is by conducting oneself with dignity hydraulic pressure
In cylinder (9), hydraulic oil P passes through oil circuit P5 to oil circuit P4 through choke valve 7, returns fuel tank 1, and choke valve 7 adjusts 10 times reductions of speed of lifting platform
Degree, solenoid YV1, YV2 power-off in magnetic valve 8, oil circuit P3 and oil circuit P5, oil circuit P4 and oil circuit P5 disconnect, lifting platform 10
Stop-keeping position.
Described lifting platform branch road is provided with least one, is in that parallel connection is arranged between each branch road.
When lifting platform works, hydraulic pump 3 starts, hydraulic oil through fuel tank 1, cleaner 2, by hydraulic pump 3 pressure oil output
P, overflow valve 6 adjusts the operating pressure of hydraulic oil P1, when lifting platform rises working condition, two-position three way magnetic valve 5 coil M-
YV is powered, and oil circuit P1 connects oil circuit P3, is hydraulic pressure oil supply cylinder.When lifting platform is in stopping or descent mode, its electromagnetism
Valve 5 coil M-YV disconnects, and oil circuit P1 connects oil circuit P2, and hydraulic oil returns to fuel tank 1, and hydraulic pump is in the state of off-load.
When in hydraulic pressure platform lifting platform 10, one or more lifting platforms need to rise, two-position three way magnetic valve 5 coil M- first
YV is powered, and oil circuit P1 connects P3, needs solenoid YV1 energising in the corresponding 3-position-3-way solenoid valve 8 of lifting platform 10 rising,
Oil circuit P3 and oil circuit P5 connects, and hydraulic oil enters hydraulic cylinder 9, and hydraulic cylinder 9 promotes corresponding lifting platform 10 to rise.
When in hydraulic pressure platform lifting platform 10, one or more lifting platforms need to decline, electricity in corresponding 3-position-3-way solenoid valve 8
Magnetic coil YV2 is energized, and oil circuit P5 and oil circuit P4 connects, and hydraulic oil in hydraulic cylinder 9 is passed through P5 to P4 warp by deadweight by lifting platform 10
Choke valve 7, returns fuel tank 1, and choke valve 7 adjusts lifting platform decrease speed.
Solenoid YV1, YV2 power-off in 3-position-3-way solenoid valve 8, oil circuit P3 and oil circuit P5, oil circuit P4 and oil circuit P5 are not
Connect, lifting platform stop-keeping position.
Claims (1)
1. a kind of control multiple stage lifting platform hydraulic control circuit it is characterised in that：Including major loop and lifting platform branch road, described
Major loop include fuel tank（1）, cleaner（2）, hydraulic pump（3）, pressure gauge（4）, two-position three way magnetic valve（5）, overflow valve
（6）, described fuel tank（1）In oil through cleaner（2）It is passed through hydraulic pump after filtration（3）In, hydraulic pump（3）Output hydraulic pressure oil P,
Overflow valve（6）Adjust the operating pressure of hydraulic oil P, pressure gauge（4）The operating pressure numerical value of display hydraulic oil P, hydraulic oil P passes through
Oil circuit P1 is passed through two-position three way magnetic valve（5）, when lifting platform is in rising working condition, two-position three way magnetic valve（5）Electromagnetic wire
M-YV is powered for circle, and hydraulic oil P connects oil circuit P3 by oil circuit P1 and flows out, and then passes to lifting platform branch road, is in lifting platform and stops
Only or during descent mode, two-position three way magnetic valve（5）Solenoid M-YV disconnects, and hydraulic oil P passes through oil circuit P1 and connects oil
Road P2, hydraulic oil P returns to fuel tank（1）, hydraulic pump is in the state of off-load；
Described lifting platform branch road, including 3-position-3-way solenoid valve（8）, hydraulic cylinder（9）, lifting platform（10）, choke valve（7）, institute
The 3-position-3-way solenoid valve stated（8）It is connected with oil circuit P3, oil circuit P4 and oil circuit P5 respectively, work as 3-position-3-way solenoid valve（8）Middle electricity
During magnetic coil YV1 energising, oil circuit P3 and oil circuit P5 connects, and hydraulic oil P enters hydraulic cylinder（9）, hydraulic cylinder（9）Promote lifting platform
（10）Rise, work as 3-position-3-way solenoid valve（8）During middle solenoid YV2 energising, oil circuit P5 and oil circuit P4 connects, lifting platform
（10）By deadweight, hydraulic oil P in hydraulic cylinder (9) is passed through oil circuit P5 to oil circuit P4 through choke valve（7）, return fuel tank（1）, throttling
Valve（7）Adjust lifting platform（10）Decrease speed, 3-position-3-way solenoid valve（8）Middle solenoid YV1, YV2 power-off, oil circuit P3, oil
Road P4, oil circuit P5 disconnect, lifting platform（10）Stop-keeping position；
Described lifting platform branch road is provided with least one, is in that parallel connection is arranged 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 |
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| CN103267038A CN103267038A (en) | 2013-08-28 |
| CN103267038B true 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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Families Citing this family (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 |
| 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 |
Citations (12)
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|---|---|---|---|---|
| JPS56155732A (en) * | 1980-05-06 | 1981-12-02 | Toshiba Mach Co Ltd | Hydraulic control circuit for injection molding machine |
| EP0558934A1 (en) * | 1992-03-04 | 1993-09-08 | Inventio Ag | Method and arrangement to conserve electric power for driving a hydraulic elevator |
| JPH06137309A (en) * | 1992-10-29 | 1994-05-17 | Hitachi Constr Mach Co Ltd | Variable capacity type hydraulic pump control device |
| CN1563726A (en) * | 2004-04-08 | 2005-01-12 | 兰州理工大学 | Hydraulic system for braking lifting platform and unloading when no load |
| CN2869407Y (en) * | 2006-02-16 | 2007-02-14 | 湖北三江航天万山特种车辆有限公司 | Vehicle platform synchronous lifting hydraulic system |
| CN101251131A (en) * | 2008-03-28 | 2008-08-27 | 枣庄天源气动液压制造有限公司 | Non shaft support hydraulic system |
| JP4155381B2 (en) * | 2000-10-06 | 2008-09-24 | 株式会社小松製作所 | Attachment control device for hydraulic excavator |
| CN201420716Y (en) * | 2009-04-07 | 2010-03-10 | 金城集团有限公司 | Lifting device for remote-control hydraulic control pedal |
| CN201653131U (en) * | 2009-09-28 | 2010-11-24 | 中冶东方工程技术有限公司 | Hydraulic lifting system for walking beam of large-sized walking beam furnace |
| TW201118031A (en) * | 2009-11-19 | 2011-06-01 | Sugiyasu Corp | Hydraulic loop and lifter for vehicle maintenance and repair |
| CN102852877A (en) * | 2012-08-18 | 2013-01-02 | 徐州凯莫尔重工科技有限公司 | Engine hood and ceiling lifting control valve group for double-controlled milling machine |
| CN203321911U (en) * | 2013-05-09 | 2013-12-04 | 洛阳理工学院 | Hydraulic control circuit for controlling multiple lifting platforms |
-
2013
- 2013-05-09 CN CN201310167541.9A patent/CN103267038B/en not_active Expired - Fee Related
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56155732A (en) * | 1980-05-06 | 1981-12-02 | Toshiba Mach Co Ltd | Hydraulic control circuit for injection molding machine |
| EP0558934A1 (en) * | 1992-03-04 | 1993-09-08 | Inventio Ag | Method and arrangement to conserve electric power for driving a hydraulic elevator |
| JPH06137309A (en) * | 1992-10-29 | 1994-05-17 | Hitachi Constr Mach Co Ltd | Variable capacity type hydraulic pump control device |
| JP4155381B2 (en) * | 2000-10-06 | 2008-09-24 | 株式会社小松製作所 | Attachment control device for hydraulic excavator |
| CN1563726A (en) * | 2004-04-08 | 2005-01-12 | 兰州理工大学 | Hydraulic system for braking lifting platform and unloading when no load |
| CN2869407Y (en) * | 2006-02-16 | 2007-02-14 | 湖北三江航天万山特种车辆有限公司 | Vehicle platform synchronous lifting hydraulic system |
| CN101251131A (en) * | 2008-03-28 | 2008-08-27 | 枣庄天源气动液压制造有限公司 | Non shaft support hydraulic system |
| CN201420716Y (en) * | 2009-04-07 | 2010-03-10 | 金城集团有限公司 | Lifting device for remote-control hydraulic control pedal |
| CN201653131U (en) * | 2009-09-28 | 2010-11-24 | 中冶东方工程技术有限公司 | Hydraulic lifting system for walking beam of large-sized walking beam furnace |
| TW201118031A (en) * | 2009-11-19 | 2011-06-01 | Sugiyasu Corp | Hydraulic loop and lifter for vehicle maintenance and repair |
| CN102852877A (en) * | 2012-08-18 | 2013-01-02 | 徐州凯莫尔重工科技有限公司 | Engine hood and ceiling lifting control valve group for double-controlled milling machine |
| CN203321911U (en) * | 2013-05-09 | 2013-12-04 | 洛阳理工学院 | Hydraulic control circuit for controlling multiple lifting platforms |
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| CN103267038A (en) | 2013-08-28 |
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| TR01 | Transfer of patent right |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20210509 |