CN102900007A - Independent opening and closing controlling oil circuit for left material hopper and right material hopper of paver - Google Patents
Independent opening and closing controlling oil circuit for left material hopper and right material hopper of paver Download PDFInfo
- Publication number
- CN102900007A CN102900007A CN2012103288011A CN201210328801A CN102900007A CN 102900007 A CN102900007 A CN 102900007A CN 2012103288011 A CN2012103288011 A CN 2012103288011A CN 201210328801 A CN201210328801 A CN 201210328801A CN 102900007 A CN102900007 A CN 102900007A
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- valve
- solenoid operated
- operated directional
- material hopper
- way electromagnetic
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- 239000000463 material Substances 0.000 title abstract description 14
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 33
- 239000010720 hydraulic oil Substances 0.000 description 6
- 241000220317 Rosa Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Abstract
The present invention discloses an independent opening and closing controlling oil circuit for a left material hopper and a right material hopper of a paver, and belongs to the technical field of paver hydraulic control. The independent opening and closing controlling oil circuit comprises a control pump, a combination valve group, a pressure reducing valve, a left 2-position 2-way electromagnetic valve, a right 2-position 2-way electromagnetic valve, a left material hopper cylinder and a right material hopper cylinder, wherein the control pump is connected with a P port of the combination valve group, a B port of the combination valve group is respectively connected with a rod-free chamber of the left material hopper cylinder and a rod-free chamber of the right material hopper cylinder through the pressure reducing valve, an A port of the combination valve group is respectively connected with the left 2-position 2-way electromagnetic valve and the right 2-position 2-way electromagnetic valve, the left 2-position 2-way electromagnetic valve is connected with a chamber having a rod of the left material hopper cylinder, and the right 2-position 2-way electromagnetic valve is connected with a chamber having a rod of the right material hopper cylinder. The independent opening and closing controlling oil circuit has the following beneficial effect that: independent operations of the left material hopper and the right material hopper can be controlled so as to save oil consumption.
Description
Technical field
The present invention relates to a kind of oil circuit control, specifically a kind of paver left and right sides hopper independence folding oil circuit control belongs to Paver Hydraulic control technology field.
Background technology
Paver is one of the important equipment in the work progress of paving the way, the hydraulic control device of existing paver control hopper folding can only be controlled two hopper synchronous on-off operations, like this when paver may or spread the slope because of the ground injustice in paving process, cause the material in the side hopper too much, just need two hoppers of simultaneously folding when carrying out the uniform distribution material, thereby increased oil consumption, when a hopper breaks down, then left and right sides hopper all can't be worked.
Summary of the invention
Problem for above-mentioned prior art exists the invention provides a kind of paver left and right sides hopper independence folding oil circuit control, can control left and right sides hopper independent operating, thereby saves oil consumption.
To achieve these goals, the technical solution used in the present invention is: a kind of paver left and right sides hopper independence folding oil circuit control, comprise control pump, the combination valve group, reducing valve, left 2/2-way electromagnetic valve, right 2/2-way electromagnetic valve, left hopper oil cylinder and right hopper oil cylinder, control pump is connected with the P mouth of combination valve group, the B mouth of combination valve group by reducing valve respectively with the rodless cavity of left hopper oil cylinder be connected the rodless cavity of hopper oil cylinder and be connected, the A mouth of combination valve group respectively with left 2/2-way electromagnetic valve be connected the 2/2-way electromagnetic valve and be connected, left 2/2-way electromagnetic valve is connected with the rod chamber of left hopper oil cylinder, right 2/2-way electromagnetic valve is connected with the rod chamber of right hopper oil cylinder, described combination valve group comprises the A mouth, the B mouth, the P mouth, overflow valve, the 2/2-way solenoid operated directional valve, the first two-bit triplet solenoid operated directional valve, the second two-bit triplet solenoid operated directional valve and hydraulic control one-way valve, the P mouth successively with overflow valve, the 2/2-way solenoid operated directional valve, the first two-bit triplet solenoid operated directional valve be connected the two-bit triplet solenoid operated directional valve and connect, the 2/2-way solenoid operated directional valve is connected in parallel on the two ends of overflow valve, one end of the first two-bit triplet solenoid operated directional valve is connected with an end of 2/2-way solenoid operated directional valve, the other end of the first two-bit triplet solenoid operated directional valve is connected with the B mouth, one end of the second two-bit triplet solenoid operated directional valve is connected with an end of the first two-bit triplet solenoid operated directional valve, and the other end of the second two-bit triplet solenoid operated directional valve is connected with the A mouth by hydraulic pressure single control valve.
Compared with prior art, the present invention adopts the structure of left 2/2-way electromagnetic valve, right 2/2-way electromagnetic valve and combination valve group, left and right sides hopper is independently worked, like this in the situation that only need a hopper job, can effectively reduce oil consumption, work as simultaneously a hopper and break down, another hopper can also work on.
Description of drawings
Fig. 1 is hydraulic schematic diagram of the present invention.
Among the figure: 1, control pump, 2, combination valve group, 3, reducing valve, 4, left 2/2-way electromagnetic valve, 5, right 2/2-way electromagnetic valve, 6, left hopper oil cylinder, 7, right hopper oil cylinder, 8, overflow valve, 9,2/2-way solenoid operated directional valve, 10, the first two-bit triplet solenoid operated directional valve, the 11, second two-bit triplet solenoid operated directional valve, 12, hydraulic control one-way valve.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, the present invention includes control pump 1, combination valve group 2, reducing valve 3, left 2/2-way electromagnetic valve 4, right 2/2-way electromagnetic valve 5, left hopper oil cylinder 6 and right hopper oil cylinder 7, control pump 1 is connected with the P mouth of combination valve group 2, the B mouth of combination valve group 2 by reducing valve 3 respectively with the rodless cavity of left hopper oil cylinder 6 be connected the rodless cavity of hopper oil cylinder 7 and be connected, the A mouth of combination valve group 2 respectively with left 2/2-way electromagnetic valve 4 be connected 2/2-way electromagnetic valve 5 and be connected, left 2/2-way electromagnetic valve 4 is connected with the rod chamber of left hopper oil cylinder 6, right 2/2-way electromagnetic valve 5 is connected with the rod chamber of right hopper oil cylinder 7, described combination valve group 2 comprises the A mouth, the B mouth, the P mouth, overflow valve 8,2/2-way solenoid operated directional valve 9, the first two-bit triplet solenoid operated directional valve 10, the second two-bit triplet solenoid operated directional valve 11 and hydraulic control one-way valve 12, the P mouth successively with overflow valve 8,2/2-way solenoid operated directional valve 9, the first two-bit triplet solenoid operated directional valve 10 be connected two-bit triplet solenoid operated directional valve 11 and connect, 2/2-way solenoid operated directional valve 9 is connected in parallel on the two ends of overflow valve 8, one end of the first two-bit triplet solenoid operated directional valve 10 is connected with an end of 2/2-way solenoid operated directional valve 9, the other end of the first two-bit triplet solenoid operated directional valve 10 is connected with the B mouth, one end of the second two-bit triplet solenoid operated directional valve 11 is connected with an end of the first two-bit triplet solenoid operated directional valve 10, and the other end of the second two-bit triplet solenoid operated directional valve 11 is connected with the A mouth by hydraulic pressure single control valve 12.
The effect of overflow valve 8 is to the oil circuit overload protection.
When need are controlled the unlatching of left hopper, 2/2-way electromagnetic valve 4 input current signals left, at this moment, left 2/2-way electromagnetic valve 4 conductings, hydraulic oil enters from the P mouth of combination valve group 2, then by overflow valve 8,2/2-way solenoid operated directional valve 9 and the first two-bit triplet solenoid operated directional valve 10, enter the rodless cavity of left hopper oil cylinder 6 by reducing valve 3 from the B mouth of combination valve group 2, hydraulic oil is by overflow valve 8 simultaneously, 2/2-way solenoid operated directional valve 9, the second two-bit triplet solenoid operated directional valve 11 and hydraulic control one-way valve 12, enter the rod chamber of left hopper oil cylinder 6 by left 2/2-way electromagnetic valve 4 from the A mouth of combination valve group 2, this moment, left hopper oil cylinder 6 rose, closed such as need, stop 2/2-way electromagnetic valve 4 input current signals left, 2/2-way electromagnetic valve 4 cut-offs this moment, hydraulic oil can't enter by left 2/2-way electromagnetic valve 4 rod chamber of left hopper oil cylinder 6, and left hopper oil cylinder 6 descends.
When need are controlled the unlatching of right hopper, 2/2-way electromagnetic valve 5 input current signals to the right, at this moment, right 2/2-way electromagnetic valve 5 conductings, hydraulic oil enters from the P mouth of combination valve group 2, then by overflow valve 8,2/2-way solenoid operated directional valve 9 and the first two-bit triplet solenoid operated directional valve 10, enter the rodless cavity of right hopper oil cylinder 7 by reducing valve 3 from the B mouth of combination valve group 2, hydraulic oil is by overflow valve 8 simultaneously, 2/2-way solenoid operated directional valve 9, the second two-bit triplet solenoid operated directional valve 11 and hydraulic control one-way valve 12, enter the rod chamber of right hopper oil cylinder 7 by right 2/2-way electromagnetic valve 5 from the A mouth of combination valve group 2, this moment, right hopper oil cylinder 7 rose, closed such as need, stop 2/2-way electromagnetic valve 5 input current signals to the right, 2/2-way electromagnetic valve 5 cut-offs this moment, hydraulic oil can't enter by right 2/2-way electromagnetic valve 5 rod chamber of right hopper oil cylinder 7, and right hopper oil cylinder 7 descends.
Claims (1)
1. paver left and right sides hopper independence folding oil circuit control, it is characterized in that, comprise control pump (1), combination valve group (2), reducing valve (3), left 2/2-way electromagnetic valve (4), right 2/2-way electromagnetic valve (5), left hopper oil cylinder (6) and right hopper oil cylinder (7), control pump (1) is connected with the P mouth of combination valve group (2), the B mouth of combination valve group (2) by reducing valve (3) respectively with the rodless cavity of left hopper oil cylinder (6) be connected the rodless cavity of hopper oil cylinder (7) and be connected, the A mouth of combination valve group (2) respectively with left 2/2-way electromagnetic valve (4) be connected 2/2-way electromagnetic valve (5) and be connected, left 2/2-way electromagnetic valve (4) is connected with the rod chamber of left hopper oil cylinder (6), right 2/2-way electromagnetic valve (5) is connected with the rod chamber of right hopper oil cylinder (7), described combination valve group (2) comprises the A mouth, the B mouth, the P mouth, overflow valve (8), 2/2-way solenoid operated directional valve (9), the first two-bit triplet solenoid operated directional valve (10), the second two-bit triplet solenoid operated directional valve (11) and hydraulic control one-way valve (12), the P mouth successively with overflow valve (8), 2/2-way solenoid operated directional valve (9), the first two-bit triplet solenoid operated directional valve (10) be connected two-bit triplet solenoid operated directional valve (11) and connect, 2/2-way solenoid operated directional valve (9) is connected in parallel on the two ends of overflow valve (8), one end of the first two-bit triplet solenoid operated directional valve (10) is connected with an end of 2/2-way solenoid operated directional valve (9), the other end of the first two-bit triplet solenoid operated directional valve (10) is connected with the B mouth, one end of the second two-bit triplet solenoid operated directional valve (11) is connected with an end of the first two-bit triplet solenoid operated directional valve (10), and the other end of the second two-bit triplet solenoid operated directional valve (11) is connected with the A mouth by hydraulic pressure single control valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103288011A CN102900007A (en) | 2012-09-07 | 2012-09-07 | Independent opening and closing controlling oil circuit for left material hopper and right material hopper of paver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103288011A CN102900007A (en) | 2012-09-07 | 2012-09-07 | Independent opening and closing controlling oil circuit for left material hopper and right material hopper of paver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102900007A true CN102900007A (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103288011A Pending CN102900007A (en) | 2012-09-07 | 2012-09-07 | Independent opening and closing controlling oil circuit for left material hopper and right material hopper of paver |
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| Country | Link |
|---|---|
| CN (1) | CN102900007A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058192A (en) * | 2018-09-19 | 2018-12-21 | 中国重型机械研究院股份公司 | A kind of single, double cylinder cooperative motion hydraulic control system |
| CN114427553A (en) * | 2022-01-26 | 2022-05-03 | 中国铁建重工集团股份有限公司 | A baler and its bale density adjustment and control hydraulic system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06137309A (en) * | 1992-10-29 | 1994-05-17 | Hitachi Constr Mach Co Ltd | Variable displacement hydraulic pump controller |
| CN1435290A (en) * | 2002-12-31 | 2003-08-13 | 西北工业大学 | Method and device for controlling sliding table of friction welding machine |
| CN1717547A (en) * | 2002-12-27 | 2006-01-04 | 日立建机株式会社 | Drives for working hydraulic cylinders |
| CN201801802U (en) * | 2010-09-03 | 2011-04-20 | 徐州凯莫尔重工科技有限公司 | Hydraulic device for controlling left and right hoppers of spreading machine to be opened and closed independently |
| CN102653934A (en) * | 2012-05-07 | 2012-09-05 | 中联重科股份有限公司 | Control system, method and device for hopper of paver |
| CN202881813U (en) * | 2012-09-07 | 2013-04-17 | 徐州万邦道路工程装备服务股份公司 | Control oil passage for independent opening and closing of right hopper and left hopper of spreading machine |
-
2012
- 2012-09-07 CN CN2012103288011A patent/CN102900007A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06137309A (en) * | 1992-10-29 | 1994-05-17 | Hitachi Constr Mach Co Ltd | Variable displacement hydraulic pump controller |
| CN1717547A (en) * | 2002-12-27 | 2006-01-04 | 日立建机株式会社 | Drives for working hydraulic cylinders |
| CN1435290A (en) * | 2002-12-31 | 2003-08-13 | 西北工业大学 | Method and device for controlling sliding table of friction welding machine |
| CN201801802U (en) * | 2010-09-03 | 2011-04-20 | 徐州凯莫尔重工科技有限公司 | Hydraulic device for controlling left and right hoppers of spreading machine to be opened and closed independently |
| CN102653934A (en) * | 2012-05-07 | 2012-09-05 | 中联重科股份有限公司 | Control system, method and device for hopper of paver |
| CN202881813U (en) * | 2012-09-07 | 2013-04-17 | 徐州万邦道路工程装备服务股份公司 | Control oil passage for independent opening and closing of right hopper and left hopper of spreading machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058192A (en) * | 2018-09-19 | 2018-12-21 | 中国重型机械研究院股份公司 | A kind of single, double cylinder cooperative motion hydraulic control system |
| CN109058192B (en) * | 2018-09-19 | 2024-03-29 | 中国重型机械研究院股份公司 | Single-double-cylinder cooperative motion hydraulic control system |
| CN114427553A (en) * | 2022-01-26 | 2022-05-03 | 中国铁建重工集团股份有限公司 | A baler and its bale density adjustment and control hydraulic system |
| CN114427553B (en) * | 2022-01-26 | 2025-03-28 | 中国铁建重工集团股份有限公司 | A baler and its bale density adjustment and control hydraulic system |
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Application publication date: 20130130 |