CN202946464U - Road roller auxiliary valve group with hand-operated pump - Google Patents
Road roller auxiliary valve group with hand-operated pump Download PDFInfo
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- CN202946464U CN202946464U CN 201220571367 CN201220571367U CN202946464U CN 202946464 U CN202946464 U CN 202946464U CN 201220571367 CN201220571367 CN 201220571367 CN 201220571367 U CN201220571367 U CN 201220571367U CN 202946464 U CN202946464 U CN 202946464U
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- pipeline
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- road roller
- pump
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Abstract
The utility model discloses a road roller auxiliary valve group with a hand-operated pump. The road roller auxiliary valve group comprises a valve block, the hand-operated pump, a solenoid valve and a hand-operated reversing valve, wherein the hand-operated pump, the solenoid valve and the hand-operated reversing valve are mounted on the valve block in an inserted mode, the hand-operated pump is connected with a hydraulic oil tank and connected with an oil inlet of the hand-operated reversing valve, and an oil return port of the hand-operated reversing valve is connected with the hydraulic oil tank; one oil outlet of the hand-operated reversing valve is connected with a non-rod chamber of an engine hood jacking oil cylinder, and the other oil outlet of the hand-operated reversing valve is connected with a rod end chamber of the engine hood jacking oil cylinder; an oil inlet of the solenoid valve is connected with an oil supplement pump of a road roller plunger pump, and an oil outlet of the solenoid valve is connected with a braking removing oil port of a road roller walking speed reducer; and a second pipeline is connected with a ninth pipeline, and the ninth pipeline is connected with a seventh pipeline through a tenth pipeline and connected with a third pipeline through an eleventh pipeline. The road roller auxiliary valve group simplifies pipelines to the maximum degree, is especially suitable for a narrow installation space of a road roller, and greatly improves reliability on the premise that functions are effectively completed.
Description
Technical field
The utility model relates to a kind of valve group, particularly relates to a kind of road roller Auxiliary valves group with hand pump.
Background technique
Braking releasing and the hand pump jacking cylinder of the driving speed reducer of fully-hydraulic vibration roller are propped up the plate valve oil circuit that the engine hood oil circuit adopts standalone feature more at present, pipeline is complicated, take up room large, leakage point is many, its using effect is not ideal, reliability is low, has a strong impact on the reliability of road roller running gear.
The model utility content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, and a kind of road roller Auxiliary valves group with hand pump is provided.This road roller Auxiliary valves group has farthest been simplified pipeline, and the narrow installation space of particularly suitable road roller effectively completing under function, has improved reliability greatly.
for achieving the above object, the technical solution adopted in the utility model is: with the road roller Auxiliary valves group of hand pump, it is characterized in that: comprise valve piece and the hand pump that is inserted on the valve piece, solenoid valve and hand-operated direction valve, described hand pump is connected with hydraulic oil container by pipeline one, described hand pump is connected with the filler opening of hand-operated direction valve by pipeline two, the return opening of described hand-operated direction valve is connected with hydraulic oil container by pipeline three, an oil outlet of described hand-operated direction valve is connected by the rodless cavity of pipeline four with the engine hood jacking cylinder, another oil outlet of described hand-operated direction valve is connected by the rod chamber of pipeline five with the engine hood jacking cylinder, described solenoid valve is two-position three way magnetic valve, the filler opening of described solenoid valve is connected by the slippage pump of pipeline six with the road roller plunger pump, the oil outlet of described solenoid valve is removed hydraulic fluid port by pipeline seven with the braking of road roller driving speed reducer and is connected, the return opening of described solenoid valve is connected with pipeline three by pipeline eight, on described pipeline seven, stop valve one is installed, described pipeline two is connected with pipeline nine, described pipeline nine is connected with pipeline seven by pipeline ten, described pipeline nine is connected with pipeline three by pipeline 11, on described pipeline ten, stop valve two and one-way valve are installed, on described pipeline 11, stop valve three is installed.
The above-mentioned road roller Auxiliary valves group with hand pump is characterized in that: described pipeline ten is connected with pipeline by pipeline 12 connections, on described pipeline 12, relief valve is installed.
The above-mentioned road roller Auxiliary valves group with hand pump, it is characterized in that: described pipeline ten is connected with the pipeline 13 that stretches out the valve piece, and described pipeline 13 is connected with pressure gauge.
The above-mentioned road roller Auxiliary valves group with hand pump is characterized in that: be connected with orifice plug on described pipeline nine.
The above-mentioned road roller Auxiliary valves group with hand pump, it is characterized in that: described stop valve one, stop valve two, stop valve three, one-way valve, relief valve and orifice plug all are inserted on the valve piece.
The utility model compared with prior art has the following advantages:
1, of the present utility model simple in structure, rationally novel in design, be easy to install.
2, the utility model by hand-operated direction valve is set, can stretches out or retract and effectively control engine hood jacking cylinder piston rod, and can carry out engine hood jacking cylinder piston rod lockedly, operates very convenient.
3, the utility model is by arranging relief valve, avoided entering the pressure oil that the braking of road roller driving speed reducer removes hydraulic fluid port too much, causes the damage to the road roller driving speed reducer.
4, the utility model by pressure gauge is set, can detects and enter the pressure size that hydraulic fluid port pressure oil is removed in the braking of road roller driving speed reducer.
5, of the present utility modelly realize that cost is low, using effect is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, and rationally novel in design, functional reliability is high, and long service life has farthest been simplified pipeline, and the narrow installation space of particularly suitable road roller effectively completing under function, has improved reliability greatly.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Description of reference numerals:
1-hydraulic oil container; 2-pipeline eight; 3-pipeline six;
4-solenoid valve; 5-valve piece; 6-relief valve;
7-stop valve one; 8-pipeline 12; 9-pipeline seven;
10-pipeline ten; 11-road roller driving speed reducer; 12-pipeline 13;
13-pressure gauge; 14-stop valve two; 15-one-way valve;
16-engine hood jacking cylinder; 17-pipeline five; 18-pipeline four;
19-hand-operated direction valve; 20-pipeline nine; 21-pipeline two;
22-hand pump; 23-pipeline three; 24-pipeline one;
25-orifice plug; 26-pipeline 11; 27-stop valve three.
Embodiment
a kind of road roller Auxiliary valves group with hand pump as shown in Figure 1, comprise valve piece 5 and the hand pump 22 that is inserted on valve piece 5, solenoid valve 4 and hand-operated direction valve 19, described hand pump 22 is connected with hydraulic oil container 1 by pipeline 1, described hand pump 22 is connected by the filler opening of pipeline 2 21 with hand-operated direction valve 19, the return opening of described hand-operated direction valve 19 is connected with hydraulic oil container 1 by pipeline 3 23, an oil outlet of described hand-operated direction valve 19 is connected by the rodless cavity of pipeline 4 18 with engine hood jacking cylinder 16, another oil outlet of described hand-operated direction valve 19 is connected by the rod chamber of pipeline 5 17 with engine hood jacking cylinder 16, described solenoid valve 4 is two-position three way magnetic valve, the filler opening of described solenoid valve 4 is connected by the slippage pump of pipeline 63 with the road roller plunger pump, the oil outlet of described solenoid valve 4 is removed hydraulic fluid port by pipeline 79 with the braking of road roller driving speed reducer 11 and is connected, the return opening of described solenoid valve 4 is connected with pipeline 3 23 by pipeline 82, on described pipeline 79, stop valve 1 is installed, described pipeline 2 21 is connected with pipeline 9 20, described pipeline 9 20 is connected with pipeline 79 by pipeline 10, described pipeline 9 20 is connected with pipeline 3 23 by pipeline 11, stop valve 2 14 and one-way valve 15 are installed on described pipeline 10, on described pipeline 11, stop valve 3 27 is installed.
As shown in Figure 1, described pipeline 10 is connected 23 by pipeline 12 connections with pipeline, on described pipeline 12, relief valve 6 is installed.Described pipeline 10 is connected with the pipeline 13 that stretches out valve piece 5, and described pipeline 13 is connected with pressure gauge 13.Be connected with orifice plug 25 on described pipeline 9 20.Described stop valve 1, stop valve 2 14, stop valve 3 27, one-way valve 15, relief valve 6 and orifice plug 25 all are inserted on valve piece 5.
During normal the use, the braking releasing hydraulic fluid port of road roller driving speed reducer 11 enters pipeline 63 by the pressure oil of the slippage pump of road roller plunger pump, and remove hydraulic fluid port through the braking that the stop valve 1 of solenoid valve 4, pipeline 79 and Chang Kai enters road roller driving speed reducer 11, brake releasing; When the slippage pump of road roller plunger pump can't provide pressure oil, at this moment, also can and coordinate pipeline 9 20 and hydraulic fluid port is removed in braking that pipeline 10 etc. makes pressure oil in hydraulic oil container 1 enter road roller driving speed reducer 11 by hand pump 22, brake releasing, can complete engine hood jacking cylinder 16 jack-up by hand-operated direction valve 19 simultaneously, and realize carrying out locked to engine hood jacking cylinder 16.
The above; it is only preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every according to the utility model technical spirit to any simple modification, change and equivalent structure transformation that above embodiment does, all still belong in the protection domain of technical solutions of the utility model.
Claims (5)
1. with the road roller Auxiliary valves group of hand pump, it is characterized in that: comprise valve piece (5) and be inserted into hand pump (22) on valve piece (5), solenoid valve (4) and hand-operated direction valve (19), described hand pump (22) is connected with hydraulic oil container (1) by pipeline one (24), described hand pump (22) is connected by the filler opening of pipeline two (21) with hand-operated direction valve (19), the return opening of described hand-operated direction valve (19) is connected with hydraulic oil container (1) by pipeline three (23), an oil outlet of described hand-operated direction valve (19) is connected by the rodless cavity of pipeline four (18) with engine hood jacking cylinder (16), another oil outlet of described hand-operated direction valve (19) is connected by the rod chamber of pipeline five (17) with engine hood jacking cylinder (16), described solenoid valve (4) is two-position three way magnetic valve, the filler opening of described solenoid valve (4) is connected with the slippage pump of road roller plunger pump by pipeline six (3), the oil outlet of described solenoid valve (4) is removed hydraulic fluid port by pipeline seven (9) with the braking of road roller driving speed reducer (11) and is connected, the return opening of described solenoid valve (4) is connected with pipeline three (23) by pipeline eight (2), on described pipeline seven (9), stop valve one (7) is installed, described pipeline two (21) is connected with pipeline nine (20), described pipeline nine (20) is connected with pipeline seven (9) by pipeline ten (10), described pipeline nine (20) is connected with pipeline three (23) by pipeline ten one (26), stop valve two (14) and one-way valve (15) are installed on described pipeline ten (10), on described pipeline ten one (26), stop valve three (27) is installed.
2. the road roller Auxiliary valves group with hand pump according to claim 1 is characterized in that: described pipeline ten (10) are connected with pipeline (23) connect by pipeline ten two (8), on described pipeline ten two (8), relief valve (6) is installed.
3. the road roller Auxiliary valves group with hand pump according to claim 2, it is characterized in that: described pipeline ten (10) is connected with the pipeline ten three (12) that stretches out valve piece (5), and described pipeline ten three (12) is connected with pressure gauge (13).
4. the road roller Auxiliary valves group with hand pump according to claim 3, is characterized in that: be connected with orifice plug (25) on described pipeline nine (20).
5. the road roller Auxiliary valves group with hand pump according to claim 4, it is characterized in that: described stop valve one (7), stop valve two (14), stop valve three (27), one-way valve (15), relief valve (6) and orifice plug (25) all are inserted on valve piece (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571367 CN202946464U (en) | 2012-11-01 | 2012-11-01 | Road roller auxiliary valve group with hand-operated pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220571367 CN202946464U (en) | 2012-11-01 | 2012-11-01 | Road roller auxiliary valve group with hand-operated pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202946464U true CN202946464U (en) | 2013-05-22 |
Family
ID=48422170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220571367 Expired - Fee Related CN202946464U (en) | 2012-11-01 | 2012-11-01 | Road roller auxiliary valve group with hand-operated pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202946464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465067A (en) * | 2015-12-09 | 2016-04-06 | 沈阳飞研航空设备有限公司 | Multifunctional combined pump |
-
2012
- 2012-11-01 CN CN 201220571367 patent/CN202946464U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465067A (en) * | 2015-12-09 | 2016-04-06 | 沈阳飞研航空设备有限公司 | Multifunctional combined pump |
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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: 20130522 Termination date: 20131101 |