CN202881813U - Control oil passage for independent opening and closing of right hopper and left hopper of spreading machine - Google Patents
Control oil passage for independent opening and closing of right hopper and left hopper of spreading machine Download PDFInfo
- Publication number
- CN202881813U CN202881813U CN 201220456873 CN201220456873U CN202881813U CN 202881813 U CN202881813 U CN 202881813U CN 201220456873 CN201220456873 CN 201220456873 CN 201220456873 U CN201220456873 U CN 201220456873U CN 202881813 U CN202881813 U CN 202881813U
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- valve
- hopper
- solenoid operated
- operated directional
- oil cylinder
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Abstract
The utility model discloses a control oil passage for independent opening and closing of a right hopper and a left hopper of a spreading machine, and belongs to the technical field of hydraulic control of the spreading machine. The control oil passage comprises a control pump, a combined valve group, a pressure reducing valve, a left two-position two-way electromagnetic valve, a right two-position two-way electromagnetic valve, a left hopper oil cylinder and a right hopper oil cylinder, wherein the control pump is connected with a P-port of the combined valve group, a B-port of the combined valve group is respectively connected with a head port of the left hopper oil cylinder and a head port of the right hopper oil cylinder through the pressure reducing valve, an A-port of the combined valve group is respectively connected with the left two-position two-way electromagnetic valve and the right two-position two-way electromagnetic valve, the left two-position two-way electromagnetic valve is connected with a rod port of the left hopper oil cylinder and the right two-position two-way electromagnetic valve is connected with a rod port of the right hopper oil cylinder. The control oil passage disclosed by the utility model has the beneficial effect that the right hopper and the left hopper can be controlled to run independently so as to save oil consumption.
Description
Technical field
The utility model relates to a kind of oil circuit control, and 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
For the problem that above-mentioned prior art exists, the utility model 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 adopted in the utility model 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 utility model 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, only needing in the situation of a hopper job like this, 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 utility model.
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 utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model comprises 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 |
|---|---|---|---|
| CN 201220456873 CN202881813U (en) | 2012-09-07 | 2012-09-07 | Control oil passage for independent opening and closing of right hopper and left hopper of spreading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220456873 CN202881813U (en) | 2012-09-07 | 2012-09-07 | Control oil passage for independent opening and closing of right hopper and left hopper of spreading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202881813U true CN202881813U (en) | 2013-04-17 |
Family
ID=48073254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220456873 Expired - Fee Related CN202881813U (en) | 2012-09-07 | 2012-09-07 | Control oil passage for independent opening and closing of right hopper and left hopper of spreading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202881813U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900007A (en) * | 2012-09-07 | 2013-01-30 | 徐州万邦道路工程装备服务股份公司 | Independent opening and closing controlling oil circuit for left material hopper and right material hopper of paver |
| CN108591191A (en) * | 2018-04-28 | 2018-09-28 | 北京博望盛达商贸有限公司 | Realize energy-efficient full-automatic anode busbar jacking frame hydraulic system |
-
2012
- 2012-09-07 CN CN 201220456873 patent/CN202881813U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102900007A (en) * | 2012-09-07 | 2013-01-30 | 徐州万邦道路工程装备服务股份公司 | Independent opening and closing controlling oil circuit for left material hopper and right material hopper of paver |
| CN108591191A (en) * | 2018-04-28 | 2018-09-28 | 北京博望盛达商贸有限公司 | Realize energy-efficient full-automatic anode busbar jacking frame hydraulic system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20130907 |