CN202322048U - Integrated rotary controlled full-load sensing multi-way valve for crane - Google Patents
Integrated rotary controlled full-load sensing multi-way valve for crane Download PDFInfo
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- CN202322048U CN202322048U CN2011205171569U CN201120517156U CN202322048U CN 202322048 U CN202322048 U CN 202322048U CN 2011205171569 U CN2011205171569 U CN 2011205171569U CN 201120517156 U CN201120517156 U CN 201120517156U CN 202322048 U CN202322048 U CN 202322048U
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- valve
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- way valve
- mouth
- luffing
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Abstract
The utility model discloses an integrated rotary controlled full-load sensing multi-way valve for a crane. The multi-way valve comprises a rotary control system; the rotary control system consists of an oil inlet P1, an oil outlet T1, a rotary valve body and a rotary oil inlet valve; each of a primary coiled valve body, a secondary coiled valve body and a telescopic valve body comprises a three-position six-way valve, an overload oil supply valve and a pressure compensating valve; each of the primary and secondary coiled valve bodies comprises a neutral-position unloading flow control valve, a primary safety valve, a signal selecting valve and a flow collecting valve; the rotary valve body comprises a three-position six-way valve; and the rotary oil inlet valve comprises a primary safety valve. Through the multi-way valve, the defect that the rotation part is required to be separately installed is overcome; and the rotary control part is integrated in the multi-way valve, and pressure compensating signals are fed back to the neutral-position unloading flow control valve, so that the neutral-position unloading flow control valve can serve as the pressure compensating valve.
Description
Technical field
The utility model relates to multiway valve, and the hoisting crane that is specially a kind of integrated revolution control is with full load sensing type multiway valve.
Background technology
Present China construction machinery and equipment hoister in large tonnage (load-transducing multiway valve that adopts in 40～80T) hydraulic efficiency pressure systems; Mostly its structure is to comprise the multiway valve that is used for variable system of master file, secondary volume, flexible and luffing; Slewing directional control valve need design and be installed in some positions separately, is unfavorable for that like this host computer system arranges pipeline, also increased the space of car load installing component.The self-produced crane hydraulic system multiway valve of China is mainly simple change-over valve form at present in addition; There is the Partial Variable system also making of multiway valve; But owing to require matching harmony with pump than higher, and China can carry out Hydraulic Pump at present, the producer that can carry out hydraulic multitandem valve does not again almost have; So main frame producer products that adopt from external import more; Because the more energy-conservation preceence of variable system so more producers select external variable system to use multiway valve, has therefore hindered the paces of China's construction machinery and equipment important spare part independent research.
The utility model content
The hoisting crane that the technical matters that the utility model solved is a kind of integrated revolution control is provided is with full load sensing type multiway valve, to solve the shortcoming in the above-mentioned background technology.
The technical matters that the utility model solved adopts following technical scheme to realize:
The hoisting crane of integrated revolution control is with full load sensing type multiway valve; Comprise master file, secondary volume control system and flexible, luffing control system; Said master file, secondary volume control system involve in the fuel tap body by oil inlet P 3, oil return inlet T 3, master file valve body, secondary volume valve body and master file, pair and form; Said flexible, luffing control system is made up of oil inlet P 2, oil return inlet T 2, luffing valve body, flexible valve body and flexible, luffing oil-feed valve body; The hoisting crane of said integrated revolution control also comprises rotary control system with full load sensing type multiway valve; Said rotary control system is made up of oil inlet P 1, oil outlet T1, rotary valve body and revolution inlet valve, and said master file valve body, secondary volume valve body, flexible valve body all comprise an overload Fill valve, a pressure-compensated valve; Said master file valve body comprises three six-way valve S1; Said secondary volume valve body comprises three six-way valve S2; Said luffing valve body comprises three six-way valve S3, and said flexible valve body comprises three six-way valve S4, and said rotary valve body comprises three six-way valve S5; Said three six-way valve S1, S2, S3, S4 include A, B, C, P, T, six mouths of Ls, and said three six-way valve S5 comprise A, B, C, P, five mouths of T; Said master file, pair involve in the fuel tap body and comprise a meta off-load flow-controlling gate, a main safety valve, a signal selector valve, an interflow valve; The Ls mouth of said three six-way valve S1 and the Ls mouth of said three six-way valve S2 select shuttle valve Y1 to link to each other through pressure, and said pressure selection shuttle valve Y1 all links to each other with meta off-load flow control valve spring chamber with signal selector valve in master file, pair involve in the fuel tap body; Said luffing valve body comprises a pressure-compensated valve, two overload Fill valves; Said flexible, luffing oil-feed valve body comprises a main safety valve and a meta off-load flow-controlling gate; The Ls mouth of said three six-way valve S3 selects shuttle valve Y2 to be connected with said signal selector valve through pressure; Said pressure selects shuttle valve Y2 to select shuttle valve Y3 to link to each other with the Ls mouth of said three six-way valve S4 through pressure, said pressure select shuttle valve Y3 also with stretch, the spring cavity of meta off-load flow-controlling gate in the luffing oil-feed valve body links to each other; Two overload Fill valves in the said luffing valve body are connected between the A mouth and T mouth, B mouth and T mouth of said three six-way valve S3, and said revolution inlet valve comprises a main safety valve.
In the utility model, said oil inlet P 2 links to each other with a check valve through the interflow valve that master file, pair involve in the fuel tap body with oil inlet P 3, and said oil outlet T1, oil outlet T2, oil outlet T3 three link together.
In the utility model, the spring cavity of said interflow valve directly links to each other with said signal selector valve, and the spring cavity of said interflow valve also selects shuttle valve Y4 to be connected with the Ls mouth of three six-way valve S3, the Ls mouth of three six-way valve S4 respectively through pressure.
Beneficial effect
The utility model has solved the drawback that revolution needs independent installation, will turn round control part and be integrated on the utility model, in addition the pressure compensation signal feedback is guided in the meta off-load flow-controlling gate, makes it become pressure-compensated valve.
Description of drawings
Fig. 1 is the schematic diagram of the hoisting crane of integrated revolution control with full load sensing type multiway valve.
Fig. 2 is the front view of the hoisting crane of integrated revolution control with full load sensing type multiway valve.
Fig. 3 is the birds-eye view of the hoisting crane of integrated revolution control with full load sensing type multiway valve.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1, Fig. 2 and Fig. 3; The hoisting crane that the hoisting crane of integrated revolution control is controlled with the schematic diagram of full load sensing type multiway valve, integrated revolution is with the front view and the birds-eye view of full load sensing type multiway valve; The hoisting crane of integrated revolution control is with full load sensing type multiway valve; Comprise master file, secondary volume control system and flexible, luffing control system; Said master file, secondary volume control system involve in fuel tap body 9 by oil inlet P 3, oil return inlet T 3, master file valve body 11, secondary volume valve body 10 and master file, pair and form; Said flexible, luffing control system is made up of oil inlet P 2, oil return inlet T 2, luffing valve body 7, flexible valve body 6 and flexible, luffing oil-feed valve body 13; The hoisting crane of said integrated revolution control also comprises rotary control system with full load sensing type multiway valve, and said rotary control system is made up of oil inlet P 1, oil outlet T1, rotary valve body 2 and revolution inlet valve 3, and said master file valve body 11, secondary volume valve body 10, the valve body 6 that stretches all comprise one and transship Fill valve 1, a pressure-compensated valve 12; Said master file valve body 11 comprises three six-way valve S1; Said secondary volume valve body 10 comprises three six-way valve S2; Said luffing valve body 7 comprises three six-way valve S3, and said flexible valve body 6 comprises three six-way valve S4, and said rotary valve body 2 comprises three six-way valve S5; Said three six-way valve S1, S2, S3, S4 include A, B, C, P, T, six mouths of Ls, and said three six-way valve S5 comprise A, B, C, P, five mouths of T; Said master file, pair involve in fuel tap body 9 and comprise a meta off-load flow-controlling gate 14, main safety valve 4, signal selector valve 5, an interflow valve 8; The Ls mouth of said three six-way valve S1 selects shuttle valve Y1 to link to each other with the Ls mouth of said three six-way valve S2 through pressure, and the signal selector valve 5 that said pressure selects shuttle valve Y1 and master file, pair to involve in the fuel tap body 9 all links to each other with meta off-load flow-controlling gate 14 spring cavitys; Said luffing valve body 7 comprises a pressure-compensated valve 12, two overload Fill valves 1; Said flexible, luffing oil-feed valve body 13 comprises a main safety valve 4 and a meta off-load flow-controlling gate 14; The Ls mouth of said three six-way valve S3 selects shuttle valve Y2 to be connected with said signal selector valve 5 through pressure; Said pressure selects shuttle valve Y2 to select shuttle valve Y3 to link to each other with the Ls mouth of said three six-way valve S4 through pressure, and said pressure selects shuttle valve Y3 also to link to each other with the spring cavity of the interior meta off-load flow-controlling gate 14 of flexible, luffing oil-feed valve body 13; Two overload Fill valves 1 in the said luffing valve body 7 are connected between the A mouth and T mouth, B mouth and T mouth of said three six-way valve S3, and said revolution inlet valve 3 comprises a main safety valve.
In the utility model, said oil inlet P 2 links to each other with a check valve through the interflow valve 8 that master file, pair involve in the fuel tap body 9 with oil inlet P 3, and said oil outlet T1, oil outlet T2, oil outlet T3 three link together.
In the utility model, the spring cavity of said interflow valve 8 directly links to each other with said signal selector valve 5, and the spring cavity of said interflow valve 8 also selects shuttle valve Y4 to be connected with the Ls mouth of three six-way valve S3, the Ls mouth of three six-way valve S4 respectively through pressure.
More than show and described groundwork of the utility model and the advantage of principal character and the utility model; The technical personnel of the industry should be understood; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification sheets that the utility model just is described, under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications; These variations and improvement all fall in the utility model scope that requires protection, and the utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (3)
1. the hoisting crane of integrated revolution control is with full load sensing type multiway valve; Comprise master file, secondary volume control system and flexible, luffing control system; Said master file, secondary volume control system involve in the fuel tap body by oil inlet P 3, oil return inlet T 3, master file valve body, secondary volume valve body and master file, pair and form; Said flexible, luffing control system is made up of oil inlet P 2, oil return inlet T 2, luffing valve body, flexible valve body and flexible, luffing oil-feed valve body; It is characterized in that; The hoisting crane of said integrated revolution control also comprises rotary control system with full load sensing type multiway valve, and said rotary control system is made up of oil inlet P 1, oil outlet T1, rotary valve body and revolution inlet valve, and said master file valve body, secondary volume valve body, flexible valve body all comprise an overload Fill valve, a pressure-compensated valve; Said master file valve body comprises three six-way valve S1; Said secondary volume valve body comprises three six-way valve S2; Said luffing valve body comprises three six-way valve S3, and said flexible valve body comprises three six-way valve S4, and said rotary valve body comprises three six-way valve S5; Said three six-way valve S1, S2, S3, S4 include A, B, C, P, T, six mouths of Ls, and said three six-way valve S5 comprise A, B, C, P, five mouths of T; Said master file, pair involve in the fuel tap body and comprise a meta off-load flow-controlling gate, a main safety valve, a signal selector valve, an interflow valve; The Ls mouth of said three six-way valve S1 and the Ls mouth of said three six-way valve S2 select shuttle valve Y1 to link to each other through pressure, and said pressure selection shuttle valve Y1 all links to each other with meta off-load flow control valve spring chamber with signal selector valve in master file, pair involve in the fuel tap body; Said luffing valve body comprises a pressure-compensated valve, two overload Fill valves; Said flexible, luffing oil-feed valve body comprises a main safety valve and a meta off-load flow-controlling gate; The Ls mouth of said three six-way valve S3 selects shuttle valve Y2 to be connected with said signal selector valve through pressure; Said pressure selects shuttle valve Y2 to select shuttle valve Y3 to link to each other with the Ls mouth of said three six-way valve S4 through pressure, said pressure select shuttle valve Y3 also with stretch, the spring cavity of meta off-load flow-controlling gate in the luffing oil-feed valve body links to each other; Two overload Fill valves in the said luffing valve body are connected between the A mouth and T mouth, B mouth and T mouth of said three six-way valve S3, and said revolution inlet valve comprises a main safety valve.
2. the hoisting crane of integrated revolution control according to claim 1 is with full load sensing type multiway valve; It is characterized in that; Said oil inlet P 2 links to each other with a check valve through the interflow valve that master file, pair involve in the fuel tap body with oil inlet P 3, and said oil outlet T1, oil outlet T2, oil outlet T3 three link together.
3. the hoisting crane of integrated revolution control according to claim 1 is with full load sensing type multiway valve; It is characterized in that; The spring cavity of said interflow valve directly links to each other with said signal selector valve, and the spring cavity of said interflow valve also selects shuttle valve Y4 to link to each other with the Ls mouth of three six-way valve S3, the Ls mouth of three six-way valve S4 respectively through pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205171569U CN202322048U (en) | 2011-12-10 | 2011-12-10 | Integrated rotary controlled full-load sensing multi-way valve for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205171569U CN202322048U (en) | 2011-12-10 | 2011-12-10 | Integrated rotary controlled full-load sensing multi-way valve for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202322048U true CN202322048U (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205171569U Expired - Fee Related CN202322048U (en) | 2011-12-10 | 2011-12-10 | Integrated rotary controlled full-load sensing multi-way valve for crane |
Country Status (1)
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|---|---|
| CN (1) | CN202322048U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671335A (en) * | 2013-12-19 | 2014-03-26 | 杭叉集团股份有限公司 | Load-sensitive electric proportional multi-loop valve |
| CN105443481A (en) * | 2014-12-09 | 2016-03-30 | 徐州重型机械有限公司 | Series-parallel crane multitandem valve and hydraulic system and crane |
-
2011
- 2011-12-10 CN CN2011205171569U patent/CN202322048U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671335A (en) * | 2013-12-19 | 2014-03-26 | 杭叉集团股份有限公司 | Load-sensitive electric proportional multi-loop valve |
| CN105443481A (en) * | 2014-12-09 | 2016-03-30 | 徐州重型机械有限公司 | Series-parallel crane multitandem valve and hydraulic system and crane |
| CN105443481B (en) * | 2014-12-09 | 2018-01-12 | 徐州重型机械有限公司 | Series parallel type crane banked direction control valves, hydraulic system and crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20120711 Termination date: 20171210 |