CN206144882U - Sensitive proportion multiple unit valve of load - Google Patents
Sensitive proportion multiple unit valve of load Download PDFInfo
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- CN206144882U CN206144882U CN201620582892.5U CN201620582892U CN206144882U CN 206144882 U CN206144882 U CN 206144882U CN 201620582892 U CN201620582892 U CN 201620582892U CN 206144882 U CN206144882 U CN 206144882U
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- limiting valve
- pressure limiting
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Abstract
The utility model belongs to machinery valve body field specifically is a sensitive proportion multiple unit valve of load, connecting block, reversing block and tailboard including interconnect, be equipped with the main oil gallery in the connecting block no. One, simultaneously, the connecting block integration has tee bend voltage limiting valve, main voltage limiting valve and electromagnetism unloading valve, the oil inlet of main voltage limiting valve communicates in a main oil gallery, the oil -out of main voltage limiting valve intercommunication oil return pipe, the oil inlet of tee bend voltage limiting valve communicates in a main oil gallery, and the oil -out of tee bend voltage limiting valve communicates in reversing block, the electromagnetism unloading valve connects gradually in connecting block, reversing block and tailboard. The utility model discloses a sensitive proportion multiple unit valve of load manufacturing cost can realize a plurality of equipment action and composite action alone, the delivery pressure and the flow dimension that can come the regulator solution press pump according to system load's real time pressure and flow dimension than lower, compact structure.
Description
Technical field
The utility model belongs to mechanical valve body field, specially a kind of load-sensitive proportional multi-way valve.
Background technology
That what is applied on engineering machinery, building machinery, petroleum machinery, mine equipment and ship machinery etc. in the market is more
Road valve product has the demand of upgrading, and from original common banked direction control valves load sensing multi-way valve, or even upgrading are upgraded to
To load-sensitive proportional multi-way valve.With the gradually aggravation of these industry competitions, the increase of efficiency of energy utilization, environmental protection
The banked direction control valves for needing the raising to mechanical handling performance with user, application load sensitive ratio system is subject to extensive favorable comment.
In order to meet demand of the market to relatively more high-end load-sensitive proportional multi-way valve, a kind of manufacturing cost ratio is researched and developed
The banked direction control valves of relatively low, compact conformation, multiple control modes and the application load sensitive ratio system with the market competitiveness is produced
Product have become the necessity of development.
Utility model content
The utility model provides a kind of load-sensitive proportional multi-way valve, and its manufacturing cost is than relatively low, compact conformation, and energy is real
Existing multiple control modes.
To realize above-mentioned technical purpose, the specific technological means that the utility model is taken is, a kind of load-sensitive ratio
Banked direction control valves, including the contiguous block, commutation block and tailgate that are connected with each other；A main oil gallery is provided with the contiguous block, meanwhile, even
Connect block and be integrated with threeway pressure limiting valve, main pressure limiting valve and unloading electromagnetic valve；The oil-in of main pressure limiting valve is communicated in a main oil gallery, main
The oil-out connection oil returning tube of pressure limiting valve；The oil-in of threeway pressure limiting valve is communicated in a main oil gallery, and threeway pressure limiting valve goes out
Hydraulic fluid port is communicated in commutation block；Unloading electromagnetic valve is sequentially connected to contiguous block, commutation block and tailgate.
Wherein, No. two main oil gallerys are provided with the commutation block, meanwhile, commutation block is integrated with integral handle seat mechanism, secondary
Pressure limiting valve, shuttle valve and proportion electro-magnet；The oil-out of secondary pressure limiting valve is through commutation block internal process hole connection oil returning tube；Than
Example electromagnet one end is communicated in the oil-out of threeway pressure limiting valve, and the other end of ratio magnet is connected to integral handle seat mechanism, shuttle
Valve draws fluid series connection all commutation block internal loads.
Wherein, constant difference overflow valve is also integrated with contiguous block, the oil-in of constant difference overflow valve is communicated in a main oil gallery, it is fixed
The oil-out connection oil returning tube of difference overflow valve.
Wherein, integrated filter is gone back on contiguous block, threeway pressure limiting valve is communicated in a main oil gallery by filter.
Wherein, it is also integrated with uniform-pressure-drop valve on commutation block.
Wherein, commutate block number be one and more than.
Wherein, the tailgate is provided with oil return opening, and unloading electromagnetic valve is connected with oil return opening.
Beneficial effect
The utility model provides a kind of load-sensitive proportional multi-way valve, and with compact conformation, manufacturing process is simple, work can
The technical characterstic for leaning on, it is possible to achieve multiple equipment single movements and composite move, and can be according to the real-time pressure of system load
Power and uninterrupted adjusting the output pressure and uninterrupted of hydraulic pump, to realize complete of pump power output and load
Match somebody with somebody, reduce the spill losses and heating of hydraulic system, and then realize energy-conservation and reduce discharging.
Description of the drawings
A kind of Fig. 1 generalized sections of load-sensitive proportional multi-way valve of the present utility model；
A kind of Fig. 2 structural representations of load-sensitive proportional multi-way valve of the present utility model；
In figure：1st, contiguous block；2nd, commutate block；3rd, tailgate；4th, unloading electromagnetic valve；5th, main pressure limiting valve；6th, constant difference overflow valve；7、
Filter；8th, threeway pressure limiting valve；9th, secondary pressure limiting valve；10th, uniform-pressure-drop valve；11st, oil pump；12nd, integral handle seat mechanism；13、
Shuttle valve；14th, proportion electro-magnet.
Specific embodiment
To make the purpose and technical scheme of the utility model embodiment clearer, implement below in conjunction with the utility model
The accompanying drawing of example, is clearly and completely described to the technical scheme of the utility model embodiment.Obviously, described embodiment
It is a part of embodiment of the present utility model, rather than the embodiment of whole.Based on described embodiment of the present utility model,
The every other embodiment that those of ordinary skill in the art are obtained on the premise of without the need for creative work, belongs to this practicality
Novel protected scope.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein（Including technology art
Language and scientific terminology）With with the utility model art in those of ordinary skill general understanding identical meaning.Also
It should be understood that those terms defined in such as general dictionary should be understood that with the context of prior art in
The consistent meaning of meaning, and unless defined as here, will not be explained with idealization or excessively formal implication.
The implication of " inside and outside " described in the utility model is referred to relative to equipment itself, inside sensing equipment
Direction for interior, otherwise for outer, rather than the specific restriction to equipment mechanism of the present utility model.
It can also be between part that the implication of " connection " described in the utility model can be being directly connected between part
Being indirectly connected with by other parts.
Embodiment
A kind of load-sensitive proportional multi-way valve, including the contiguous block 1, commutation block 2 and tailgate 3 that are connected with each other；The company
Connect in block 1 and be provided with a main oil gallery, meanwhile, contiguous block 1 is integrated with threeway pressure limiting valve 8, filter 7, constant difference overflow valve 6, main limit
Pressure valve 5 and unloading electromagnetic valve 4；The oil-in of constant difference overflow valve 6 is respectively communicated with a main oil with the oil-in of main pressure limiting valve 5
Road, the oil-out of constant difference overflow valve 6 is respectively communicated with oil returning tube in the oil-out of main pressure limiting valve 5；The oil-in of threeway pressure limiting valve
A number main oil gallery is communicated in by filter 7, the oil-out of threeway pressure limiting valve is communicated in commutation block 2；Wherein No. one main oil gallery leads to
The fuel feeding of oil pump 11 crossed in externally-located oil sump；Unloading electromagnetic valve 4 is sequentially connected to contiguous block 1, commutation block 2 and tailgate 3, tail
Plate 3 is provided with oil return opening, and unloading electromagnetic valve 4 is connected with oil return opening.Unloading electromagnetic valve is used to ensure that whole load-sensitive ratio is more
The safety of road valve；Threeway pressure limiting valve is wanted for meeting multi-load sensitive ratio banked direction control valves guide Decompression Controlling to guide's oil pressure
Ask；Filter 7 is used for meeting requirement of guide's Decompression Controlling to guide's oil cleanliness.
No. two main oil gallerys are provided with the commutation block 2, meanwhile, commutation block 2 is integrated with integral handle seat mechanism 12, secondary limit
Pressure valve 9, shuttle valve 13 and proportion electro-magnet 14；The oil-in of wherein secondary pressure limiting valve 9 is connected with No. two main oil gallerys, secondary pressure limiting valve
9 oil-out is through commutation block internal process hole connection oil returning tube；The one end of proportion electro-magnet 14 is communicated in threeway pressure limiting valve
Oil-out, the other end of ratio magnet is connected to integral handle seat mechanism 12；Wherein, shuttle valve 13 is all commutation block internal loads
Fluid series connection is drawn, effect is：Maximum load pressure transmission to constant difference overflow valve 6, realize pump to desirable pressure and flow
Control.Uniform-pressure-drop valve 10 is also integrated with commutation block 2, in multigroup reversal valve simultaneously, in the case of action and load difference,
Uniform-pressure-drop valve 10 can realize that pressure and flow are only relevant with the valve core opening area of reversal valve, not by the shadow of the fluctuation of load
Ring.In order to meet the requirement of work, the number of the block 2 that commutates be one and more than.
Embodiment of the present utility model is these are only, its description is more concrete and detailed, but can not therefore be understood
It is the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, do not taking off
On the premise of conceiving from the utility model, some deformations and improvement can also be made, these belong to protection of the present utility model
Scope.
Claims (7)
1. a kind of load-sensitive proportional multi-way valve, it is characterised in that including the contiguous block, commutation block and tailgate that are connected with each other；
A main oil gallery is provided with the contiguous block, meanwhile, contiguous block is integrated with threeway pressure limiting valve, main pressure limiting valve and unloading electromagnetic valve；
The oil-in of main pressure limiting valve is communicated in a main oil gallery, the oil-out connection oil returning tube of main pressure limiting valve；Threeway pressure limiting valve enters
Hydraulic fluid port is communicated in a main oil gallery, and the oil-out of threeway pressure limiting valve is communicated in commutation block；Unloading electromagnetic valve is sequentially connected to connection
Block, commutation block and tailgate.
2. a kind of load-sensitive proportional multi-way valve according to claim 1, it is characterised in that be provided with two in the commutation block
Number main oil gallery, meanwhile, commutation block is integrated with integral handle seat mechanism, secondary pressure limiting valve, shuttle valve and proportion electro-magnet；It is wherein secondary
The oil-in of pressure limiting valve is connected with No. two main oil gallerys, and the oil-out of secondary pressure limiting valve is through the connection oil return of commutation block internal process hole
Pipeline；Proportion electro-magnet one end is communicated in the oil-out of threeway pressure limiting valve, and the other end of ratio magnet is connected to integral handle seat
Mechanism, shuttle valve draws fluid series connection all commutation block internal loads.
3. according to a kind of load-sensitive proportional multi-way valve described in claim 1, it is characterised in that it is surely poor to be also integrated with contiguous block
Overflow valve, the oil-in of constant difference overflow valve is communicated in a main oil gallery, the oil-out connection oil returning tube of constant difference overflow valve.
4. according to a kind of load-sensitive proportional multi-way valve described in claim 1, it is characterised in that also integrated filtration on contiguous block
Device, threeway pressure limiting valve is communicated in a main oil gallery by filter.
5. according to a kind of load-sensitive proportional multi-way valve described in claim 1, it is characterised in that it is surely poor to be also integrated with commutation block
Pressure-reducing valve.
6. according to a kind of load-sensitive proportional multi-way valve described in claim 1, it is characterised in that commutation block number be one and
More than.
7. according to a kind of load-sensitive proportional multi-way valve described in claim 1, it is characterised in that the tailgate is provided with oil return
Mouthful, unloading electromagnetic valve is connected with oil return opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620582892.5U CN206144882U (en) | 2016-06-15 | 2016-06-15 | Sensitive proportion multiple unit valve of load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620582892.5U CN206144882U (en) | 2016-06-15 | 2016-06-15 | Sensitive proportion multiple unit valve of load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206144882U true CN206144882U (en) | 2017-05-03 |
Family
ID=58616246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620582892.5U Active CN206144882U (en) | 2016-06-15 | 2016-06-15 | Sensitive proportion multiple unit valve of load |
Country Status (1)
| Country | Link |
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| CN (1) | CN206144882U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486147A (en) * | 2020-06-03 | 2020-08-04 | 江苏科迈液压控制系统有限公司 | Load sensitive proportional multi-way valve |
| CN114704515A (en) * | 2022-04-20 | 2022-07-05 | 中国煤炭科工集团太原研究院有限公司 | Compact electric proportional multi-way valve for medium-thickness coal seam continuous mining machine |
| CN114810709A (en) * | 2022-04-20 | 2022-07-29 | 中国煤炭科工集团太原研究院有限公司 | Compact electric proportional multi-way valve for large-mining-height continuous mining machine |
-
2016
- 2016-06-15 CN CN201620582892.5U patent/CN206144882U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486147A (en) * | 2020-06-03 | 2020-08-04 | 江苏科迈液压控制系统有限公司 | Load sensitive proportional multi-way valve |
| CN111486147B (en) * | 2020-06-03 | 2024-04-26 | 江苏科迈液压控制系统有限公司 | Load-sensitive proportional multi-way valve |
| CN114704515A (en) * | 2022-04-20 | 2022-07-05 | 中国煤炭科工集团太原研究院有限公司 | Compact electric proportional multi-way valve for medium-thickness coal seam continuous mining machine |
| CN114810709A (en) * | 2022-04-20 | 2022-07-29 | 中国煤炭科工集团太原研究院有限公司 | Compact electric proportional multi-way valve for large-mining-height continuous mining machine |
| CN114810709B (en) * | 2022-04-20 | 2024-06-04 | 中国煤炭科工集团太原研究院有限公司 | Compact electric proportional multi-way valve for large mining height continuous mining machine |
| CN114704515B (en) * | 2022-04-20 | 2024-06-04 | 中国煤炭科工集团太原研究院有限公司 | Compact electric proportional multi-way valve for medium-thickness coal seam continuous mining machine |
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