CN201660825U - Hydraulic control device for bituminous concrete regeneration cold mixing equipment - Google Patents
Hydraulic control device for bituminous concrete regeneration cold mixing equipment Download PDFInfo
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- CN201660825U CN201660825U CN2010201710819U CN201020171081U CN201660825U CN 201660825 U CN201660825 U CN 201660825U CN 2010201710819 U CN2010201710819 U CN 2010201710819U CN 201020171081 U CN201020171081 U CN 201020171081U CN 201660825 U CN201660825 U CN 201660825U
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Abstract
A hydraulic control device for bituminous concrete regeneration cold mixing equipment is characterized in that the device comprises a closed type hydraulic system and an open type hydraulic system. In the closed type hydraulic system, the inlet of a servo hydraulic pump is communicated with a hydraulic oil tank and the outlet thereof is communicated with the inlets of a left forced mixing hydraulic motor and a right forced mixing hydraulic motor, and the outlets of the left forced mixing hydraulic motor and the right forced mixing hydraulic motor are communicated with the servo hydraulic pump. In the open type hydraulic system, the inlet of a gear hydraulic pump is communicated with a hydraulic oil tank; the outlet of the gear hydraulic pump is communicated with the inlets of an unloading belt lift control valve, an unloading belt folding control valve, a left grid lift cylinder control valve, a right grid lift cylinder control valve, an unloading belt swinging control valve, a blow-down door close/open control valve, an unloading belt delivery control valve and a bypass valve; the outlet of the bypass valve is communicated with the hydraulic oil tank; and a gear hydraulic pump, the control valves, the hydraulic oil tank and controlled hydraulic components form the open type hydraulic system.
Description
Technical field
The utility model belongs to device or the equipment technical field that completed road surface is keeped in repair, and is specifically related to asphalt concrete regenerating cold mixing equipment.
Background technology
China's prosperity of economy has promoted the fast development of highway communication building cause, and the total kilometrage of China's speedway reaches more than 40,000 kilometer now, and about more than 650,000 kilometers of urban and rural highway total kilometrage occupies prostatitis, the world.But using and develop through the more than ten years, some speedways and A-road have entered big or middle repairing the stage in succession, for how in addition regeneration of a large amount of road surfaces obsolete material that in asphalt pavement conserving maintenance, the process transformed, is produced, be technical task in the highroad construction with great strategic importance.The regeneration of asphalt pavement material, can save a large amount of pitch and sandstone material, thereby can reduce the expense of road maintenance and maintenance and newly-built asphalt roads, be effectively addressed owing to the road surface obsolete material simultaneously, refuse obtains utilizing, and has saved natural resource, has avoided the environment pollution of waste asphalt mixture, positive progradation is played in the sustainable development of China's economy, and its economic benefit and social benefit are very considerable.
It is needs to be reprocessed or discarded old asphalt pavement that asphalt pavement regeneration utilizes technology, dig recovery, fragmentation, screening through turning over, add again newly gather materials in right amount, new pitch and other auxiliary material, again mix, formation has the reclaimed asphalt mixture of pavement performance, uses paver surfacing or basic unit then.Just begin to use this technology the eighties as far back as eighties of last century abroad, asphalt pavement regeneration has been done daily application technology by American-European countries now, the Bituminous Pavement Cold Regeneration technology can be used for the maintenance construction of speedway, can also alleviate the generation of pavement crack when being used for basic unit effectively.At home, the on the schedule and agenda of this The Application of Technology, but the key issue of promoting this technology is the plant issue of asphalt pavement regeneration, for the Recycled Asphalt Pavement mixing equipment, the price of overseas equipment is extremely high, unit in charge of construction is difficult to bear, and at present domestic also do not have the special-purpose Recycled Asphalt Pavement cold mixing equipment that is used for.For this reason, designer of the present utility model has designed asphalt concrete regenerating cold mixing equipment, but does not have corresponding hydraulic means, a kind of hydraulic means that is applicable to that this equipment uses of current urgent need development.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of hydraulic control device of reasonable in design, asphalt concrete regenerating cold mixing equipment that automaticity is high.
Solving the problems of the technologies described above the technical scheme that is adopted is: the hydraulic control device of asphalt concrete regenerating cold mixing equipment is made of closed type hydraulic system and open type hydraulic system; This closed type hydraulic system is: the inlet of servo-fluid press pump links by the inlet that conduit and hydraulic oil container link, export by conduit and cantankerous system stirring hydraulic motor and right pressure stirring hydraulic motor, and cantankerous system stirs hydraulic motor, and outlet links by conduit and servo-fluid press pump with right pressure stirring hydraulic motor; This open type hydraulic system is: the inlet of gear hydraulic pump links by conduit and hydraulic oil container, the gear hydraulic delivery side of pump carries the inlet of control valve, bypass valve to link by conduit and discharging belt lift controil valve, the folding control valve of discharging belt, left grid hoist cylinder control valve, right grid hoist cylinder control valve, discharging belt swing control valve, sewage door open and close control valve, discharging belt, and the outlet of bypass valve links by conduit and hydraulic oil container; , the outlet of discharging belt lift controil valve is by conduit and also discharging belt left side hoist cylinder, the right hoist cylinder of discharging belt and the hydraulic oil container of UNICOM link; The outlet of the folding control valve of discharging belt is by conduit and also discharging belt left folding oil cylinder, discharging belt right folding oil cylinder and the hydraulic oil container of UNICOM link; The outlet of left side grid hoist cylinder control valve by conduit and and the left grid of UNICOM before behind the hoist cylinder, left grid hoist cylinder and hydraulic oil container link; The outlet of right grid hoist cylinder control valve by conduit and and the right grid of UNICOM before behind the hoist cylinder, right grid hoist cylinder and hydraulic oil container link; The outlet of discharging belt swing control valve links by the inlet of conduit and discharging belt oscillating oil cylinder, and the outlet of discharging belt oscillating oil cylinder links by discharging belt swing control valve and hydraulic oil container; The outlet of sewage door open and close control valve links by the inlet that conduit and sewage door open and close oil cylinder, and sewage door opens and closes oil cylinder and links by sewage door open and close control valve and hydraulic oil container; The discharging belt carries control valve to link by the inlet of conduit and discharging belt hydraulic motor, and the outlet of discharging belt hydraulic motor links by conduit and hydraulic oil container.
Servo-fluid press pump of the present utility model is a plunger hydraulic pump.
The utility model adopts a kind of hydraulic system that is combined and constituted by closed type hydraulic system and open type hydraulic system, it is controlled to have good operation, the component of hydraulic system and the pipeline of mutual UNICOM have been simplified, cost is lower, simple and reliable for structure, and adopt servo-fluid press pump and gear pump to provide pressure for hydraulic system, can satisfy the different requirements of the asphalt concrete regenerating cold mixing equipment different required flows of operating mode of a plurality of controlled parts and pressure in work progress.The utlity model has advantages such as reasonable in design, simple in structure, control sensitivity height, can on asphalt concrete regenerating cold mixing equipment, use, also can on large-scale construction works mechanized equipment or device, use.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described, but the utility model is not limited to these embodiment.
Embodiment 1
In Fig. 1,2, the hydraulic control device of the asphalt concrete regenerating cold mixing equipment of present embodiment carries control valve 19, hydraulic oil container 21, bypass valve 22, gear hydraulic pump 23, servo-fluid press pump 24 UNICOMs to constitute by discharging belt lift controil valve 5, the folding control valve 8 of discharging belt, left grid hoist cylinder control valve 11, right grid hoist cylinder control valve 14, discharging belt swing control valve 16, sewage door open and close control valve 18, discharging belt.
The inlet of servo-fluid press pump 24 links by conduit and hydraulic oil container 21, the outlet of servo-fluid press pump 24 stirs hydraulic motor 1 by conduit and cantankerous system and the right inlet of forcing to stir hydraulic motor 2 links, cantankerous system stirs hydraulic motor 1 and 2 outlets of right pressure stirring hydraulic motor link by conduit and servo-fluid press pump 24, constitute closed type hydraulic system, servo-fluid press pump 24 is for cantankerous system stirs hydraulic motor 1, the right stirring hydraulic motor 2 of forcing provides pressure source.
The inlet of gear hydraulic pump 23 links by conduit and hydraulic oil container 21, the outlet of gear hydraulic pump 23 carries the inlet of control valve 19, bypass valve 22 to link by conduit and discharging belt lift controil valve 5, the folding control valve 8 of discharging belt, left grid hoist cylinder control valve 11, right grid hoist cylinder control valve 14, discharging belt swing control valve 16, sewage door open and close control valve 18, discharging belt, and the outlet of bypass valve 22 links by conduit and hydraulic oil container 21.Said gear hydraulic pump 23 constitutes open type hydraulic system with control valve, hydraulic oil container 21 and controlled hydraulic unit.
The outlet of discharging belt lift controil valve 5 by conduit and and the discharging belt of UNICOM left side hoist cylinder 3, the right hoist cylinder 4 of discharging belt link with hydraulic oil container 21, discharging belt lift controil valve 5 is used to control the duty of discharging belt left side hoist cylinder 3 and the right hoist cylinder 4 of discharging belt; The outlet of the folding control valve 8 of discharging belt by conduit and and discharging belt left folding oil cylinder 6, the discharging belt right folding oil cylinder 7 of UNICOM link with hydraulic oil container 21, the folding control valve 8 of discharging belt is used to control the duty of discharging belt left folding oil cylinder 6 and discharging belt right folding oil cylinder 7; The outlet of left side grid hoist cylinder control valve 11 by conduit and and the left grid of UNICOM before behind the hoist cylinder 9, left grid hoist cylinder 10 link with hydraulic oil container 21, left grid hoist cylinder control valve 11 is used to control before the left grid duty of hoist cylinder 10 behind the hoist cylinder 9 and left grid; The outlet of right grid hoist cylinder control valve 14 by conduit and and the right grid of UNICOM before behind the hoist cylinder 12, right grid hoist cylinder 13 link with hydraulic oil container 21, right grid hoist cylinder control valve 14 is used to control before the right grid duty of hoist cylinder 13 behind the hoist cylinder 12 and right grid; The outlet of discharging belt swing control valve 16 links by the inlet of conduit and discharging belt oscillating oil cylinder 15, the outlet of discharging belt oscillating oil cylinder 15 links by discharging belt swing control valve 16 and hydraulic oil container 21, and discharging belt swing control valve 16 is used to control the duty of discharging belt oscillating oil cylinder 15; The outlet of sewage door open and close control valve 18 links by the inlet that conduit and sewage door open and close oil cylinder 17, sewage door opens and closes oil cylinder 17 and links by sewage door open and close control valve 18 and hydraulic oil container 21, and sewage door open and close control valve 18 is used to control the duty that sewage door opens and closes oil cylinder 17; The discharging belt carries control valve 19 to link by the inlet of conduit and discharging belt hydraulic motor 20, the outlet of discharging belt hydraulic motor 20 links by conduit and hydraulic oil container 21, and the discharging belt carries control valve 19 to be used to control the duty of discharging belt hydraulic motor 20.
Claims (2)
1. the hydraulic control device of an asphalt concrete regenerating cold mixing equipment is characterized in that: be made of closed type hydraulic system and open type hydraulic system;
Above-mentioned closed type hydraulic system is: the inlet of servo-fluid press pump (24) links by the inlet that conduit and hydraulic oil container (21) link, export by conduit and cantankerous system stirring hydraulic motor (1) and right side pressure stirring hydraulic motor (2), and cantankerous system stirring hydraulic motor (1) and right side pressure stirring hydraulic motor (2) export and link by conduit and servo-fluid press pump (24);
Above-mentioned open type hydraulic system is: the inlet of gear hydraulic pump (23) links by conduit and hydraulic oil container (21), the outlet of gear hydraulic pump (23) is by conduit and discharging belt lift controil valve (5), the discharging belt folds control valve (8), left side grid hoist cylinder control valve (11), right grid hoist cylinder control valve (14), discharging belt swing control valve (16), sewage door open and close control valve (18), the discharging belt is carried control valve (19), the inlet of bypass valve (22) links, and the outlet of bypass valve (22) links by conduit and hydraulic oil container (21);
The outlet of discharging belt lift controil valve (5) is by conduit and also discharging belt left side hoist cylinder (3), the right hoist cylinder of discharging belt (4) of UNICOM link with hydraulic oil container (21); The outlet that the discharging belt folds control valve (8) by conduit and and discharging belt left folding oil cylinder (6), the discharging belt right folding oil cylinder (7) of UNICOM link with hydraulic oil container (21); The outlet of left side grid hoist cylinder control valve (11) by conduit and and the left grid of UNICOM before behind the hoist cylinder (9), left grid hoist cylinder (10) and hydraulic oil container (21) link; The outlet of right grid hoist cylinder control valve (14) by conduit and and the right grid of UNICOM before behind the hoist cylinder (12), right grid hoist cylinder (13) and hydraulic oil container (21) link; The outlet of discharging belt swing control valve (16) links by the inlet of conduit and discharging belt oscillating oil cylinder (15), and the outlet of discharging belt oscillating oil cylinder (15) links by discharging belt swing control valve (16) and hydraulic oil container (21); The outlet of sewage door open and close control valve (18) links by the inlet that conduit and sewage door open and close oil cylinder (17), and sewage door opens and closes oil cylinder (17) and links by sewage door open and close control valve (18) and hydraulic oil container (21); The discharging belt carries control valve (19) to link by the inlet of conduit and discharging belt hydraulic motor (20), and the outlet of discharging belt hydraulic motor (20) links by conduit and hydraulic oil container (21).
2. according to the hydraulic control device of the described asphalt concrete regenerating cold mixing of claim 1 equipment, it is characterized in that: said servo-fluid press pump (24) is a plunger hydraulic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201710819U CN201660825U (en) | 2010-04-26 | 2010-04-26 | Hydraulic control device for bituminous concrete regeneration cold mixing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201710819U CN201660825U (en) | 2010-04-26 | 2010-04-26 | Hydraulic control device for bituminous concrete regeneration cold mixing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201660825U true CN201660825U (en) | 2010-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201710819U Expired - Fee Related CN201660825U (en) | 2010-04-26 | 2010-04-26 | Hydraulic control device for bituminous concrete regeneration cold mixing equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235107A (en) * | 2014-09-18 | 2014-12-24 | 芜湖高昌液压机电技术有限公司 | Shear-type lifting machine bypass reversing valve unloading loop |
-
2010
- 2010-04-26 CN CN2010201710819U patent/CN201660825U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235107A (en) * | 2014-09-18 | 2014-12-24 | 芜湖高昌液压机电技术有限公司 | Shear-type lifting machine bypass reversing valve unloading loop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HE'NAN GAOYUAN ROAD MAINTENANCE EQUIPMENT CO., LTD Free format text: FORMER NAME: HENAN GAOYUAN MAINTENANCE TECHNOLOGY OF HIGHWAY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 453003 Xinxiang new high tech Development Zone, Henan new street, No. 367 Patentee after: Henan Gaoyuan Highway Maintenance Equipment Co., Ltd. Address before: 453003 No. 367, new street, Xinxiang Development Zone, Henan, China Patentee before: Henan Gaoyuan Highway Maintenance Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20180426 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |