CN2767730Y - Integrated control valve for large-scale automobile crane truck - Google Patents
Integrated control valve for large-scale automobile crane truck Download PDFInfo
- Publication number
- CN2767730Y CN2767730Y CN 200520069042 CN200520069042U CN2767730Y CN 2767730 Y CN2767730 Y CN 2767730Y CN 200520069042 CN200520069042 CN 200520069042 CN 200520069042 U CN200520069042 U CN 200520069042U CN 2767730 Y CN2767730 Y CN 2767730Y
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- valve
- filler opening
- links
- oil outlet
- opening
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Abstract
The utility model discloses an integrated control valve for a crane truck of a large-scale automobile. An oil inlet of a cover plate-inserting overflow valve of the utility model is connected with an oil inlet of a valve block, a left oil outlet of an electro-hydraulic reversing valve is connected with a descending oil inlet of a main hoist, a two-position four-way electromagnetic valve is arranged between a control port of the two-way cover plate-inserting valve and an oil outlet of a shuttle valve, a left oil outlet of a three-position four-way electro-hydraulic reversing valve is connected with a descending oil inlet of an auxiliary hoist, a two-position four-way electromagnetic valve is arranged between the control port of the two-way cover plate-inserting valve and the oil outlet of the shuttle valve, a pressure limiting valve is arranged between the left oil outlet and the oil inlet of the three-position four-way electromagnetic valve, the left oil outlet and an oil returning port of the two-position four-way electromagnetic valve is connected with an oil returning port of the valve block, the left oil outlet of the three-position four-way electromagnetic valve is connected with the oil inlet of the two-way cover plate-inserting valve, and a two-position three-way electromagnetic valve is arranged between the control port and the oil inlet of the two-way cover plate-inserting valve. The utility model eliminates the phenomenon of pressure charging, wrong operation and oil cylinder shake and has the advantages of compact structure, integration and high work efficiency.
Description
Technical field
The utility model relates to the control valve that is used to control shear leg and elevator in the system for hydraulic system of truck crane.
Background technique
The multichannel directional control valve that existing truck crane and elevator control valve adopt is common slide valve or selector valve, the incompatible needs of the flexible single casing bolt mechanism of goliath now, pipe pressurising of telescopic oil cylinder core and misoperation, oil cylinder shake during semi-girder, and can't guarantee the work of PLC control system.
Summary of the invention
The purpose of this utility model is that a kind of full-sized car hoist integrated control valve will be provided, and this integrated control valve can satisfy the needs of the flexible single casing bolt mechanism of full-sized car hoist, and can guarantee the work of PLC control system.
The purpose of this utility model be achieved in that this integrated control valve be provided with valve piece filler opening, master winch hoist filler opening, master winch decline filler opening, secondary elevator hoist filler opening, secondary elevator decline filler opening, become the secondary filler opening, telescopic oil cylinder of rising and put in hydraulic fluid port, telescopic oil cylinder indentation hydraulic fluid port, valve piece return opening, telescopic oil cylinder and stretch little oil mass filler opening and the control port of valve piece, it comprises cover plate plug-in mounting relief valve, electro-hydraulic reversing valve, pressure-limit valve, shuttle valve and one-way valve;
The filler opening of cover plate plug-in mounting relief valve links to each other with valve piece filler opening, is connected with pressure-limit valve between control port and the oil outlet, and oil outlet links to each other with valve piece return opening;
The left oil outlet of the first 3-position 4-way electro-hydraulic reversing valve links to each other with master winch decline filler opening, between a left side oil outlet and the return opening and be connected with pressure-limit valve and one-way valve, return opening links to each other with valve piece return opening, and right oil outlet and the master winch filler opening that hoists links to each other, and filler opening links to each other with valve piece filler opening;
Be connected with first two-position four-way solenoid valve between the control port of the one or two logical cover plate cartridge valve and the oil outlet of first shuttle valve, oil outlet links to each other with the right filler opening of first shuttle valve, and the left oil inleting port of the filler opening and first shuttle valve links to each other with valve piece filler opening jointly;
The left oil outlet of the second 3-position 4-way electro-hydraulic reversing valve links to each other with secondary elevator decline filler opening, between a left side oil outlet and the return opening and be connected with pressure-limit valve and one-way valve, return opening links to each other with valve piece return opening, right oil outlet and the secondary elevator filler opening that hoists links to each other, and filler opening and the or two leads to cover plate cartridge valve oil outlet and links to each other;
Be connected with second two-position four-way solenoid valve between the two or the two logical cover plate cartridge valve control port and the second shuttle valve oil outlet, oil outlet links to each other with the right filler opening of second shuttle valve, and filler opening links to each other with valve piece filler opening jointly with the second shuttle valve left oil inleting port;
Be connected with pressure-limit valve between first three position four-way electromagnetic valve left side oil outlet and the filler opening, be connected with pressure-limit valve between right oil outlet and the filler opening, be connected with pressure-limit valve between filler opening and the return opening, filler opening link to each other with the control port of the three or two logical cover plate cartridge valve and and valve piece return opening between be connected with two-position two-way solenoid valve and pressure-limit valve, return opening links to each other with valve piece return opening jointly with the three or two oil outlet that leads to the cover plate cartridge valve;
Two-position four-way solenoid valve left side oil outlet links to each other with valve piece return opening jointly with return opening, and filler opening links to each other with the second valve piece filler opening, and right oil outlet plays filler opening with luffing and links to each other;
Be serially connected with two-position three way magnetic valve and pressure-limit valve between the control port of the three or two logical cover plate cartridge valve and the filler opening, filler opening links to each other with valve piece filler opening, and oil outlet links to each other with telescopic oil cylinder indentation hydraulic fluid port;
Second three position four-way electromagnetic valve left side oil outlet links to each other with the filler opening of the four or two logical cover plate cartridge valve jointly with three position four-way electromagnetic valve left side oil outlet, the second three position four-way electromagnetic valve filler opening is stretched little oil mass filler opening with telescopic oil cylinder and is linked to each other, the right oil outlet of second three position four-way electromagnetic valve puts in hydraulic fluid port with telescopic oil cylinder jointly with the right oil outlet of three position four-way electromagnetic valve and links to each other, and the second three position four-way electromagnetic valve return opening links to each other with valve piece return opening jointly with the three position four-way electromagnetic valve return opening;
Be connected with two-position three way magnetic valve between the five or two logical cover plate cartridge valve control port and the filler opening, filler opening puts in hydraulic fluid port with telescopic oil cylinder and links to each other, and oil outlet links to each other with valve piece return opening.
The utility model can satisfy the needs of the flexible single casing bolt mechanism of goliath, and can guarantee the work of PLC control system.Pipe pressurising of telescopic oil cylinder core and misoperation have been eliminated, oil cylinder jitter phenomenon when eliminating semi-girder.Compact structure, the reliability height, easy to connect, the leakage of oil link is few, and versatility is good, and low cost of manufacture realizes integratedly, increases work efficiency.The precision control of telescopic oil cylinder is achieved, the two-way microcontroller that can reach telescopic oil cylinder is regulated, make and stretch out the very easy control that becomes with the withdrawal action, in strong guarantee can effectively reduce in the telescopic process mechanical shock under the execution of auto-programming to arm and other structural member, reduce the noise of various mechanical collisions, improved worker's working environment.
Description of drawings
Fig. 1 is an an embodiment's of the present utility model hydraulic circuit diagram.
1. cover plate plug-in mounting relief valves among the figure, 2-1. the first 3-position 4-way electro-hydraulic reversing valve, 2-2. the second 3-position 4-way electro-hydraulic reversing valve, 2-3. two-position four-way solenoid valve, 2-4. three position four-way electromagnetic valve, 3-1. the one or two logical cover plate cartridge valve, 3-2. the two or two logical cover plate cartridge valve, 3-3. the three or two logical cover plate cartridge valve, 3-4. the four or two logical cover plate cartridge valve, 3-5. the five or two logical cover plate cartridge valve, 4-1. first pressure-limit valve, 4-2. second pressure-limit valve, 4-3. the 3rd pressure-limit valve, 4-4. the 4th pressure-limit valve, 4-5. the 5th pressure-limit valve, 4-6. the 6th pressure-limit valve, 4-7. the 7th pressure-limit valve, 4-8. the 8th pressure-limit valve, 5-1. first three position four-way electromagnetic valve, 5-2. second three position four-way electromagnetic valve, 6-1. first one-way valve, 6-2. second one-way valve, 7-1. first shuttle valve, 7-2. second shuttle valve, 8-1. first two-position four-way solenoid valve, 8-2. second two-position four-way solenoid valve, 8-3. two-position two-way solenoid valve, 9-1. first two-position three way magnetic valve, 9-2. second two-position three way magnetic valve; P1. the first valve piece filler opening, the P2. second valve piece filler opening, P3. master winch the hoist filler opening, the secondary elevator decline of P6. filler opening, P7. of the secondary elevator of filler opening, P4. master winch decline filler opening, P5. that hoist becomes the secondary filler opening, first telescopic oil cylinder of P8. of rising and puts in hydraulic fluid port, P9. second telescopic oil cylinder and put in hydraulic fluid port, P10. telescopic oil cylinder indentation hydraulic fluid port, the P11. first valve piece return opening, the P12. second valve piece return opening, P13. telescopic oil cylinder and stretch the small flow filler opening; T1. the first valve piece is revealed hydraulic fluid port, the T2. second valve piece is revealed hydraulic fluid port, the control port of K1. valve piece, the control port of K2. valve piece, M1～M11. survey oil pressure mouth.
Embodiment
In Fig. 1, the filler opening of cover plate plug-in mounting relief valve 1 links to each other with the first valve piece oil inlet P 1, is connected with the first pressure-limit valve 4-1 between the control port of this valve and the oil outlet, and oil outlet links to each other with the second valve piece return opening P12 with the first valve piece return opening P11;
The left oil outlet of the first 3-position 4-way electro-hydraulic reversing valve 2-1 links to each other with master winch decline oil inlet P 4, between a left side oil outlet and the return opening and be connected with the 4th pressure-limit valve 4-4 and the first one-way valve 6-1, return opening links to each other with the second valve piece return opening P12 with the first valve piece return opening P11, right oil outlet and the master winch oil inlet P 3 that hoists links to each other, and filler opening links to each other with the first valve piece oil inlet P 1;
Be connected with the first two-position four-way solenoid valve 8-1 between the control port of the one or two logical cover plate cartridge valve 3-1 and the oil outlet of the first shuttle valve 7-1, oil outlet links to each other with the right filler opening of the first shuttle valve 7-1, and the left oil inleting port of the filler opening and the first shuttle valve 7-1 links to each other with the first valve piece oil inlet P 1 jointly;
The left oil outlet of the second 3-position 4-way electro-hydraulic reversing valve 2-2 links to each other with secondary elevator decline oil inlet P 6, between a left side oil outlet and the return opening and be connected with the 5th pressure-limit valve 4-5 and the second one-way valve 6-2, return opening links to each other with the second valve piece return opening P12 with the first valve piece return opening P11, right oil outlet and the secondary elevator oil inlet P 5 that hoists links to each other, and filler opening links to each other with the one or two oil outlet that leads to cover plate cartridge valve 3-1;
Be connected with the second two-position four-way solenoid valve 8-2 between the control port of the two or two logical cover plate cartridge valve 3-2 and the oil outlet of the second shuttle valve 7-2, oil outlet links to each other with the right filler opening of the second shuttle valve 7-2, and filler opening links to each other with the second valve piece filler opening jointly with the left oil inleting port of the second shuttle valve 7-2;
Be connected with the 7th pressure-limit valve 4-7 between the left oil outlet of the first three position four-way electromagnetic valve 5-1 and the filler opening, be connected with the 8th pressure-limit valve 4-8 between right oil outlet and the filler opening, be connected with the second pressure-limit valve 4-2 between filler opening and the return opening, filler opening link to each other with the control port of the three or two logical cover plate cartridge valve 3-3 and and the first valve piece return opening P11 and the second valve piece return opening P12 between be connected with two-position two-way solenoid valve 8-3 and the 6th pressure-limit valve 4-6, return opening links to each other with the second valve piece return opening P12 with the first valve piece return opening P11 jointly with the three or two oil outlet that leads to cover plate cartridge valve 3-3;
The left oil outlet of two-position four-way solenoid valve 2-3 links to each other with the second valve piece return opening P12 with the first valve piece return opening P11 jointly with return opening, and filler opening links to each other with the second valve piece oil inlet P 2, and right oil outlet plays oil inlet P 7 with luffing and links to each other;
Be serially connected with the first two-position three way magnetic valve 9-1 and the 3rd pressure-limit valve 4-3 between the control port of the three or two logical cover plate cartridge valve 3-4 and the filler opening, filler opening links to each other with the second valve piece oil inlet P 2, and oil outlet links to each other with telescopic oil cylinder indentation hydraulic fluid port P10;
The left oil outlet of the second three position four-way electromagnetic valve 5-2 links to each other with the filler opening of the four or two logical cover plate cartridge valve 3-4 jointly with the left oil outlet of three position four-way electromagnetic valve 2-4, the filler opening of the second three position four-way electromagnetic valve 5-2 is stretched little oil mass oil inlet P 13 with telescopic oil cylinder and is linked to each other, the right oil outlet of the second three position four-way electromagnetic valve 5-2 puts in hydraulic fluid port P8 with telescopic oil cylinder jointly with the right oil outlet of three position four-way electromagnetic valve 2-4 and links to each other, and the return opening of the return opening of the second three position four-way electromagnetic valve 5-2 and three position four-way electromagnetic valve 2-4 links to each other with the second valve piece return opening P12 with the first valve piece return opening P11 jointly;
Be connected with the second two-position three way magnetic valve 9-2 between the control port of the five or two logical cover plate cartridge valve 3-5 and the filler opening, filler opening puts in hydraulic fluid port P8 with telescopic oil cylinder and links to each other, and oil outlet links to each other with the second valve piece return opening P12 with the first valve piece return opening P11.
Claims (1)
1. full-sized car hoist integrated control valve, this integrated control valve be provided with valve piece filler opening, master winch hoist filler opening, master winch decline filler opening, secondary elevator hoist filler opening, secondary elevator decline filler opening, become the secondary filler opening, telescopic oil cylinder of rising and put in hydraulic fluid port, telescopic oil cylinder indentation hydraulic fluid port, valve piece return opening, telescopic oil cylinder and stretch little oil mass filler opening and the control port of valve piece, it comprises cover plate plug-in mounting relief valve, electro-hydraulic reversing valve, pressure-limit valve, shuttle valve and one-way valve;
The filler opening that it is characterized in that cover plate plug-in mounting relief valve links to each other with valve piece filler opening, is connected with pressure-limit valve between control port and the oil outlet, and oil outlet links to each other with valve piece return opening;
The left oil outlet of the first 3-position 4-way electro-hydraulic reversing valve links to each other with master winch decline filler opening, between a left side oil outlet and the return opening and be connected with pressure-limit valve and one-way valve, return opening links to each other with valve piece return opening, and right oil outlet and the master winch filler opening that hoists links to each other, and filler opening links to each other with valve piece filler opening;
Be connected with first two-position four-way solenoid valve between the control port of the one or two logical cover plate cartridge valve and the oil outlet of first shuttle valve, oil outlet links to each other with the right filler opening of first shuttle valve, and the left oil inleting port of the filler opening and first shuttle valve links to each other with valve piece filler opening jointly;
The left oil outlet of the second 3-position 4-way electro-hydraulic reversing valve links to each other with secondary elevator decline filler opening, between a left side oil outlet and the return opening and be connected with pressure-limit valve and one-way valve, return opening links to each other with valve piece return opening, right oil outlet and the secondary elevator filler opening that hoists links to each other, and filler opening and the or two leads to cover plate cartridge valve oil outlet and links to each other;
Be connected with second two-position four-way solenoid valve between the two or the two logical cover plate cartridge valve control port and the second shuttle valve oil outlet, oil outlet links to each other with the right filler opening of second shuttle valve, and filler opening links to each other with valve piece filler opening jointly with the second shuttle valve left oil inleting port;
Be connected with pressure-limit valve between first three position four-way electromagnetic valve left side oil outlet and the filler opening, be connected with pressure-limit valve between right oil outlet and the filler opening, be connected with pressure-limit valve between filler opening and the return opening, filler opening link to each other with the control port of the three or two logical cover plate cartridge valve and and valve piece return opening between be connected with two-position two-way solenoid valve and pressure-limit valve, return opening links to each other with valve piece return opening jointly with the three or two oil outlet that leads to the cover plate cartridge valve;
Two-position four-way solenoid valve left side oil outlet links to each other with valve piece return opening jointly with return opening, and filler opening links to each other with the second valve piece filler opening, and right oil outlet plays filler opening with luffing and links to each other;
Be serially connected with two-position three way magnetic valve and pressure-limit valve between the control port of the three or two logical cover plate cartridge valve and the filler opening, filler opening links to each other with valve piece filler opening, and oil outlet links to each other with telescopic oil cylinder indentation hydraulic fluid port;
Second three position four-way electromagnetic valve left side oil outlet links to each other with the filler opening of the four or two logical cover plate cartridge valve jointly with three position four-way electromagnetic valve left side oil outlet, the second three position four-way electromagnetic valve filler opening is stretched little oil mass filler opening with telescopic oil cylinder and is linked to each other, the right oil outlet of second three position four-way electromagnetic valve puts in hydraulic fluid port with telescopic oil cylinder jointly with the right oil outlet of three position four-way electromagnetic valve and links to each other, and the second three position four-way electromagnetic valve return opening links to each other with valve piece return opening jointly with the three position four-way electromagnetic valve return opening;
Be connected with two-position three way magnetic valve between the five or two logical cover plate cartridge valve control port and the filler opening, filler opening puts in hydraulic fluid port with telescopic oil cylinder and links to each other, and oil outlet links to each other with valve piece return opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520069042 CN2767730Y (en) | 2005-02-09 | 2005-02-09 | Integrated control valve for large-scale automobile crane truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520069042 CN2767730Y (en) | 2005-02-09 | 2005-02-09 | Integrated control valve for large-scale automobile crane truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2767730Y true CN2767730Y (en) | 2006-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520069042 Expired - Lifetime CN2767730Y (en) | 2005-02-09 | 2005-02-09 | Integrated control valve for large-scale automobile crane truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2767730Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146941A (en) * | 2011-04-27 | 2011-08-10 | 山东泰丰液压股份有限公司 | Load feedback high-flow hydraulic control system of plug-in mounting multiple directional control valve |
| CN103303801A (en) * | 2013-06-30 | 2013-09-18 | 安徽柳工起重机有限公司 | Hydraulic confluence control system for truck crane |
| CN107740793A (en) * | 2017-11-28 | 2018-02-27 | 徐州重型机械有限公司 | A kind of crane luffing control valve |
| CN109592571A (en) * | 2018-10-31 | 2019-04-09 | 中船华南船舶机械有限公司 | A kind of crane based on hydraulic system |
-
2005
- 2005-02-09 CN CN 200520069042 patent/CN2767730Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146941A (en) * | 2011-04-27 | 2011-08-10 | 山东泰丰液压股份有限公司 | Load feedback high-flow hydraulic control system of plug-in mounting multiple directional control valve |
| CN103303801A (en) * | 2013-06-30 | 2013-09-18 | 安徽柳工起重机有限公司 | Hydraulic confluence control system for truck crane |
| CN103303801B (en) * | 2013-06-30 | 2015-03-11 | 安徽柳工起重机有限公司 | Hydraulic confluence control system for truck crane |
| CN107740793A (en) * | 2017-11-28 | 2018-02-27 | 徐州重型机械有限公司 | A kind of crane luffing control valve |
| CN109592571A (en) * | 2018-10-31 | 2019-04-09 | 中船华南船舶机械有限公司 | A kind of crane based on hydraulic system |
| CN109592571B (en) * | 2018-10-31 | 2020-05-05 | 中船华南船舶机械有限公司 | Crane based on hydraulic system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090227 Address after: No. 165 Copper Road, Jiangsu, Xuzhou Province, China: 221004 Patentee after: Xuzhou Heavy Machinery Co., Ltd. Address before: No. 165 Copper Road, Jiangsu, Xuzhou Province, China: 221004 Patentee before: Xuzhou Heavy Machinery Plant |
|
| ASS | Succession or assignment of patent right |
Owner name: XUZHOU HEACY MACHINE CO., LTD. Free format text: FORMER OWNER: XUZHOU HEACY MACHINERY PLANT Effective date: 20090227 |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150209 Granted publication date: 20060329 |