CN103862385B - A kind of hydraulic system being applied to vehicular shot-blasting machine - Google Patents
A kind of hydraulic system being applied to vehicular shot-blasting machine Download PDFInfo
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- CN103862385B CN103862385B CN201210548628.6A CN201210548628A CN103862385B CN 103862385 B CN103862385 B CN 103862385B CN 201210548628 A CN201210548628 A CN 201210548628A CN 103862385 B CN103862385 B CN 103862385B
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Abstract
The present invention relates to a kind of hydraulic system being applied to vehicular shot-blasting machine, comprise Hydraulic Station, shot-blasting machine hydraulic package, truck jogging hydraulic control assembly and cooling flushing of hydraulic assembly, Hydraulic Station provides hydraulic power source to shot-blasting machine, output pressure and flow and provide cold oil to truck jogging hydraulic control assembly, shot-blasting machine hydraulic package control shot-blasting machine lift the servo-actuated action falling the shot-blasting machine in shot-peening process with sidesway action and shot-blasting machine, truck jogging hydraulic control assembly controls the truck jogging shot blasting velocity of shot-blasting machine when ball blast works, cooling flushing of hydraulic assembly rinses the pipeline of truck jogging hydraulic control assembly for cooling.Compared with prior art, the present invention has easy to use, applied widely, steady operation and other merits.
Description
Technical field
The present invention relates to a kind of hydraulic system, especially relate to a kind of hydraulic system being applied to vehicular shot-blasting machine.
Background technology
At present, the application of Shot Blasting technique in the Large Infrastructure Projects such as highway, bridge, tunnel, airport of China is built is more and more extensive.Road surface shot-blasting machine is the construction equipment of this type of Shot Blasting; its operation principle be machinery accelerate after ball material under the drive of pill casting wheel with very high velocity shock to need surface to be processed; hit bounce-back to bounce-back hyperbaric chamber behind surface; and enter into flow separation system; here dust and other impurity are separated; clean ball material (and a small amount of dust) can be got back in ball material storage bucket; be reused, impacting the most of dust granules hitting out can be siphoned away by deduster.Shot Blasting can when not destroying former aggregate structure, the object of the both macro and micro texture that the impurity on cleaning work surface, attachment also increase and recovery is surperficial.Concrete range of application has the laying of steel box girder bridge floor paving, Waterproofing Layer for Concrete Bridge Deck, cement concrete pavement changes black overlay treatment, Pavement Skid Resistance etc. in vain.
In prior art, what road surface ball blast adopted vehicle-mounted form is almost blank, and the vehicular shot-blasting machine that document is introduced also is only utilize the ball blast head of car drive or traction hand push form to carry out ball blast.The shot blasting velocity of this form is controlled by the speed of a motor vehicle of the car of truck or traction, and operation easier is large and unstable, is difficult to the shot-blasting quality of the high grade pavements such as guarantee highway, bridge, airport.
What domestic reality used online is all hand propelled shot-blasting machine, and this mode is limited by and is connected to cable on shot-blasting machine and sweep-up pipe, needs that many people participate in work, labour intensity is large, efficiency is low.Also the employing process auxiliary drive wheel construction having document to propose at present, its design is loaded on truck by shot-blasting machine, a set of auxiliary drive wheels of device before truck rear wheel, takes turns by oil cylinder wobble drive the rotation that lands, thus drive travelling truck, form vehicle-mounted Shot Blasting System.This mode adhesive force is difficult to ensure, and owing to travelling inertia, the stability existing problems of operation, and mounting structure is huge, normal traveling of setting out on a journey is also improper.
Summary of the invention
Object of the present invention is exactly the hydraulic system being applied to vehicular shot-blasting machine providing a kind of easy to use, applied widely, working stability in order to overcome defect that above-mentioned prior art exists.
Object of the present invention can be achieved through the following technical solutions:
Be applied to a hydraulic system for vehicular shot-blasting machine, comprise Hydraulic Station, shot-blasting machine hydraulic package, truck jogging hydraulic control assembly and cooling flushing of hydraulic assembly, wherein,
Hydraulic Station: provide hydraulic power source to shot-blasting machine, output pressure and flow and provide cold oil to truck jogging hydraulic control assembly, comprise fuel tank and be arranged on liquid level relay, air filter, liquid level signalling generator, the thermometer that fuel tank covers, the oil absorption filter connected successively through a pipeline, gear pump, check valve, shaft coupling, snap joint, the band warning return filter connected successively through another pipeline, forced air cooler, shaft coupling, snap joint;
Shot-blasting machine hydraulic package: what control shot-blasting machine lifts the servo-actuated action falling the shot-blasting machine in shot-peening process with sidesway action and shot-blasting machine, the control unit comprising snap joint, flexible pipe, oil cylinder, oil motor and be made up of electromagnetic relief valve, solenoid directional control valve, balanced valve, magnetic valve, choke valve;
Truck jogging hydraulic control assembly: control the truck jogging shot blasting velocity of shot-blasting machine when ball blast works, comprise connect successively motor, shaft coupling, high-pressure pump and the check valve connected through pipeline, overflow valve, stop valve and oil motor, connecting pipe is also in series with proportioning valve, air valve and pneumatic triple piece;
Cooling flushing of hydraulic assembly: for cooling the pipeline rinsing truck jogging hydraulic control assembly, comprising direct current generator, shaft coupling, oil pump and being located at check valve and the filter of oil pump both sides.
The shaft coupling of described Hydraulic Station is connected with motor, forms engine gear pump by gear pump, motor and shaft coupling, output pressure in shot-blasting machine hydraulic package, and the oil return of shot-blasting machine hydraulic package is got back in fuel tank through forced air cooler and return filter process.
In described shot-blasting machine hydraulic package, choke valve is connected with 22 three-way electromagnetic valves, balanced valve, 34 electric change valves with oil cylinder, oil motor is connected with balanced valve, one-way throttle valve, 34 electric change valves, and above-mentioned two-way attaching parts are all connected with electromagnetic relief valve, flexible pipe and snap joint.
In described truck jogging hydraulic control assembly, each parts to be connected with hydraulic fitting by high-pressure oil pipe and to be fixed on each correspondence position of truck.
Adopt motor to drive oil pump to rotate by shaft coupling in described truck jogging hydraulic control assembly, pressure oil output makes oil motor rotate, and drives the power transmission shaft forward or reverse of truck, advances or reversing to drive truck.
In described cooling flushing of hydraulic assembly, each parts are connected by hydraulic hose and are fixed on compartment.
Described cooling flushing of hydraulic assembly injects oil temperature≤80 DEG C that cold oil controls truck jogging hydraulic control assembly in truck jogging hydraulic control assembly.
Compared with prior art, the present invention has the following advantages:
(1) owing to there being mobile generator, then configure independently Hydraulic Station to manipulate onboard hydraulic system, like this without the need to selecting the truck of super large power;
(2) Hydraulic Station of this hydraulic system is used for the rigid truck of arbitrary model, common truck adopts special jogging oil motor is arranged on the power transmission shaft of truck, utilize the hydraulic power station of special configuration, drive jogging oil motor thus Direct driver truck, make ball blast work safety, reliable, to save time and efficiency is high, thus thoroughly solve the technological deficiency in this field;
(3) Hydraulic Station of this hydraulic system is connected with shot-blasting machine hydraulic system by snap joint, and shot-blasting machine can be removed and assembling by fast dismantling;
(4) Hydraulic Station of this hydraulic system is provided with temperature and flow monitoring, the normal operation of monitoring system at any time during to ensure field work;
(5) 22 three-way electromagnetic valves of the shot-blasting machine hydraulic circuit arrangement of this hydraulic system, can ensure shot-blasting machine paste all the time work of floating;
(6) balanced valve of the shot-blasting machine hydraulic circuit arrangement of this hydraulic system can play cushioning effect, ball blast function is lifted stably and falls and move left and right stably;
(7) the liquid resistance of the shot-blasting machine hydraulic circuit arrangement of this hydraulic system, can ensure that shot-blasting machine speed of fall is steady;
(8) the jogging loop of this hydraulic system adopts pump-control-motor closed circuit, jogging velocity-stabilization.Because the pump-control-motor feedback sensitivity adopted is high, thus ensure that pressure and velocity accuracy, the reliability and stability of ball blast work can be ensured;
(9) the ball blast operating rate of the jogging loop settings of this hydraulic system is 0-30m/min, can stepless speed regulation within the scope of this, meets operating mode work under any road conditions;
(10) the cooling flush loop of this hydraulic system adopts direct current pump group, can utilize truck power work in the normal mode;
(11) the cooling flush loop check valve opening pressure≤0.4bar of this hydraulic system, energy available protecting direct current pump group, extends its service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of Hydraulic Station;
Fig. 2 is the structural representation of shot-blasting machine hydraulic package;
Fig. 3 is the structural representation of truck jogging hydraulic control assembly;
Fig. 4 is the structural representation of cooling flushing of hydraulic assembly.
In figure, 11 be fuel tank, 12 be liquid level relay, 13 be air filter, 14 be gear pump, 15 be Pressure gauge, 16 be check valve, 17 be electric cabinet, 18 be valve block, 19 be snap joint, 110 be hydraulic tube, 111 be forced air cooler, 112 be thermometer, 114 be motor, 115 be shaft coupling, 116 be oil absorption filter, 117 be liquid level signalling generator for band warning return filter, 113;
21 for snap joint, 22 for flexible pipe, 23 for electromagnetic relief valve, 24 be 34 electric change valves, 25 for flexible pipe, 26 for balanced valve, 27 be 22 three-way electromagnetic valves, 28 for choke valve, 29 for oil cylinder, 210 for oil motor, 211 for balanced valve, 212 for one-way throttle valve, 213 be 34 electric change valves;
31 be motor, 32 be shaft coupling, 33 be high-pressure pump, 34 be check valve, 35 be overflow valve, 36 be Pressure gauge, 37 be proportioning valve, 38 be stop valve, 39 be air valve, 310 be pneumatic triple piece, 311 be oil motor, 312 for Pressure gauge;
41 be direct current generator, 42 be check valve, 43 be shaft coupling, 44 be oil pump, 45 for filter.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
Be applied to a hydraulic system for vehicular shot-blasting machine, comprise Hydraulic Station, shot-blasting machine hydraulic package, truck jogging hydraulic control assembly and cooling flushing of hydraulic assembly.
Hydraulic Station provides hydraulic power source to shot-blasting machine, output pressure and flow and provide cold oil to truck jogging hydraulic control assembly, comprise fuel tank 11 and be arranged on the liquid level relay 12 on the case lid of fuel tank 11, air filter 13, gear pump 14, Pressure gauge 15, check valve 16, electricity cabinet 17, valve block 18, snap joint 19, hydraulic tube 110, forced air cooler 111, band warning return filter 112, thermometer 113, motor 114, shaft coupling 115, oil absorption filter 116, liquid level signalling generator 117, wherein, liquid level relay 12, air filter 13, liquid level signalling generator 117, thermometer 113 is set directly on fuel tank 11, oil absorption filter 116, gear pump 14, check valve 16, shaft coupling 115, snap joint 19 connects through a pipeline, band warning return filter 112, forced air cooler 111, another shaft coupling 115 is connected through another pipeline with another snap joint 19.
The power supply that Hydraulic Station is provided by mobile generator, start the engine gear pump of the gear pump 14 on Hydraulic Station, motor 114, shaft coupling 115 composition, gear pump 14 exports certain flow and pressure by shot-blasting machine hydraulic package.Meanwhile, during shot-blasting machine work, the oil return of shot-blasting machine hydraulic package is cooled by forced air cooler 111 and returns fuel tank 11, to ensure the stability of oil in shot-blasting machine hydraulic package after being with warning return filter 112 to filter.The fuel tank of Hydraulic Station is configured with liquid level signalling generator 117 and thermometer 113, when facilitating field work, the monitoring in control room.
The shaft coupling 115 of Hydraulic Station is connected with motor, engine gear pump is formed by gear pump 14, motor 114 and shaft coupling 115, output pressure in shot-blasting machine hydraulic package, the oil return of shot-blasting machine hydraulic package is got back in fuel tank through forced air cooler and return filter process.
Shot-blasting machine hydraulic package control shot-blasting machine lift the servo-actuated action falling the shot-blasting machine in shot-peening process with sidesway action and shot-blasting machine, comprise snap joint 21, flexible pipe 22, electromagnetic relief valve 23,34 electric change valves 24, flexible pipe 25, balanced valve 26,22 three-way electromagnetic valves 27, choke valve 28, oil cylinder 29, oil motor 210, balanced valve 211, one-way throttle valve 212,34 electric change valves 213.
Choke valve 28 is connected with 22 three-way electromagnetic valves 27, balanced valve 26, flexible pipe 25,34 electric change valves 24 with oil cylinder 29, oil motor 210 is connected with balanced valve 211, one-way throttle valve 212,34 electric change valves 213, and above-mentioned two-way attaching parts are all connected with electromagnetic relief valve 23, flexible pipe 22 and snap joint 21.
When shot-blasting machine not yet works, flow back to fuel tank from the hydraulic oil of Hydraulic Station by electromagnetic relief valve 23 off-load, shot-blasting machine hydraulic package is now without pressure and flow.
When shot-blasting machine works, the electromagnet Y1 energized action of electromagnetic relief valve 23, oil return is plugged, Hydraulic Station pressure oil output.If the now electromagnet Y2 of magnetic valve 24 or Y3 energized action, the oil cylinder 29 of shot-blasting machine will stretch out or retract, and shot-blasting machine lifts or falls by oil cylinder 29.If the now electromagnet Y4 of 34 electric change valves 213 or Y5 energized action, the oil motor 210 of shot-blasting machine is by clockwise or be rotated counterclockwise, and shot-blasting machine moves to left or moves to right by oil motor 210.
Balanced valve 26 and 211 can play the effect of buffering.When shot-blasting machine lands construction, electromagnet Y6 and Y7 of 22 three-way electromagnetic valves 27 be energized action simultaneously, and shot-blasting machine will to float work with ground.The magnetic valve action of hydraulic pressure unit, the rotating of stretching out with backhaul and oil motor of operating cyloinder, thus lifting of shot-blasting machine of control falls and sidesway.
Truck jogging hydraulic control assembly controls the truck jogging shot blasting velocity of shot-blasting machine when ball blast work, comprise connect successively motor 31, shaft coupling 32, high-pressure pump 33 and check valve 34, overflow valve 35, Pressure gauge 36, proportioning valve 37, stop valve 38, air valve 39, pneumatic triple piece 310, oil motor 311, Pressure gauge 312 through pipeline connection.
In truck jogging hydraulic control assembly, each parts to be connected with hydraulic fitting by high-pressure oil pipe and to be fixed on each correspondence position of truck.Truck jogging hydraulic control assembly is the static-pressure system of a closed loop.When motor 31 drives high-pressure pump 33 to rotate by shaft coupling 32, system is by pressure oil output, and system pressure is regulated by overflow valve 35.The pressure oil that high-pressure pump 33 exports makes oil motor rotate, and drives the power transmission shaft forward or reverse of truck, advances or reversing to drive truck.The rotary speed of oil motor 311 is passed through electrically to carry out proportion adjustment by high-pressure pump 33.
Cooling flushing of hydraulic assembly rinses the pipeline of truck jogging hydraulic control assembly for cooling, comprise direct current generator 41, shaft coupling 43, oil pump 44 and be located at check valve 42 and the filter 45 of oil pump 44 both sides.In cooling flushing of hydraulic assembly, each parts are connected by hydraulic hose and are fixed on compartment.Cooling flushing of hydraulic assembly injects oil temperature≤80 DEG C that cold oil controls truck jogging hydraulic control assembly in truck jogging hydraulic control assembly.
When truck jogging hydraulic control assembly loop produces deep fat because of continuous firing, the cold oil that cooling flush loop will constantly be injected to jogging system from fuel tank.Make the oil temperature of jogging system remain in the temperature range of requirement, the oil temperature that native system requires is≤80 DEG C.
When truck normally travels on road, Vehicular direct-current pump group provides cold oil to carry out cooling from the jogging motor that trend is arranged on power transmission shaft and rinses and lubrication.
The action of cooling flush loop is: start direct current generator 41, drive oil pump 44 to work by shaft coupling 43.The effect of check valve 42 is protection oil pumps 44, and the opening pressure of check valve 42 is 0.5bar, if when pipe resistance reaches this force value, check valve 42 can be opened automatically, and the pressure oil that oil pump 44 exports directly will flow back to fuel tank by check valve 42.
Claims (7)
1. be applied to a hydraulic system for vehicular shot-blasting machine, it is characterized in that, comprise Hydraulic Station, shot-blasting machine hydraulic package, truck jogging hydraulic control assembly and cooling flushing of hydraulic assembly, wherein,
Hydraulic Station: provide hydraulic power source to shot-blasting machine, output pressure and flow and provide cold oil to truck jogging hydraulic control assembly, comprise fuel tank and be arranged on liquid level relay, air filter, liquid level signalling generator, the thermometer that fuel tank covers, the oil absorption filter connected successively through a pipeline, gear pump, check valve, shaft coupling, snap joint, the band warning return filter connected successively through another pipeline, forced air cooler, shaft coupling, snap joint;
Shot-blasting machine hydraulic package: what control shot-blasting machine lifts the servo-actuated action falling the shot-blasting machine in shot-peening process with sidesway action and shot-blasting machine, the control unit comprising snap joint, flexible pipe, oil cylinder, oil motor and be made up of electromagnetic relief valve, solenoid directional control valve, balanced valve, magnetic valve, choke valve;
Truck jogging hydraulic control assembly: control the truck jogging shot blasting velocity of shot-blasting machine when ball blast works, comprise connect successively motor, shaft coupling, high-pressure pump and the check valve connected through pipeline, overflow valve, stop valve and oil motor, connecting pipe is also in series with proportioning valve, air valve and pneumatic triple piece;
Cooling flushing of hydraulic assembly: for cooling the pipeline rinsing truck jogging hydraulic control assembly, comprising direct current generator, shaft coupling, oil pump and being located at check valve and the filter of oil pump both sides.
2. a kind of hydraulic system being applied to vehicular shot-blasting machine according to claim 1, it is characterized in that, the shaft coupling of described Hydraulic Station is connected with motor, engine gear pump is formed by gear pump, motor and shaft coupling, output pressure in shot-blasting machine hydraulic package, the oil return of shot-blasting machine hydraulic package is got back in fuel tank through forced air cooler and return filter process.
3. a kind of hydraulic system being applied to vehicular shot-blasting machine according to claim 1, it is characterized in that, in described shot-blasting machine hydraulic package, choke valve is connected with 22 three-way electromagnetic valves, balanced valve, 34 electric change valves with oil cylinder, oil motor is connected with balanced valve, one-way throttle valve, 34 electric change valves, and above-mentioned two-way attaching parts are all connected with electromagnetic relief valve, flexible pipe and snap joint.
4. a kind of hydraulic system being applied to vehicular shot-blasting machine according to claim 1, is characterized in that, in described truck jogging hydraulic control assembly, each parts to be connected with hydraulic fitting by high-pressure oil pipe and to be fixed on each correspondence position of truck.
5. a kind of hydraulic system being applied to vehicular shot-blasting machine according to claim 1, it is characterized in that, motor is adopted to drive oil pump to rotate by shaft coupling in described truck jogging hydraulic control assembly, pressure oil output makes oil motor rotate, drive the power transmission shaft forward or reverse of truck, advance or reversing to drive truck.
6. a kind of hydraulic system being applied to vehicular shot-blasting machine according to claim 1, is characterized in that, in described cooling flushing of hydraulic assembly, each parts are connected by hydraulic hose and are fixed on compartment.
7. a kind of hydraulic system being applied to vehicular shot-blasting machine according to claim 1, is characterized in that, described cooling flushing of hydraulic assembly injects oil temperature≤80 DEG C that cold oil controls truck jogging hydraulic control assembly in truck jogging hydraulic control assembly.
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CN202985364U (en) * | 2012-12-17 | 2013-06-12 | 上海抛丸机械设备制造有限公司 | Hydraulic system for vehicle-mounted shot blasting machine |
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JP4279019B2 (en) * | 2003-03-17 | 2009-06-17 | 株式会社ディスコ | Water jet processing equipment |
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US4894959A (en) * | 1988-05-19 | 1990-01-23 | Hoover & Wells, Inc. | Method and apparatus for cleaning a surface utilizing shot blasting |
US5261192A (en) * | 1992-02-14 | 1993-11-16 | Nelco Manufacturing Corp. | Surface cleaning apparatus |
CN201769112U (en) * | 2010-07-29 | 2011-03-23 | 河南新友工程机械有限公司 | Whole vehicle control system of driving-type full-hydraulic shot-blasting machine |
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Effective date of registration: 20230531 Address after: Huswarna, Sweden Patentee after: HUSQVARNA AB Address before: 201108 building 3, No. 111, Tianwei Road, Xinzhuang Industrial Zone, Minhang District, Shanghai Patentee before: SHANGHAI BLASTRAC EQUIPMENT MANUFACTURE CO.,LTD. |