CN203391737U - Engineering machine and cleaning system thereof - Google Patents
Engineering machine and cleaning system thereof Download PDFInfo
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- CN203391737U CN203391737U CN201320443833.6U CN201320443833U CN203391737U CN 203391737 U CN203391737 U CN 203391737U CN 201320443833 U CN201320443833 U CN 201320443833U CN 203391737 U CN203391737 U CN 203391737U
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- construction machinery
- washing system
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Abstract
The utility model discloses an engineering machine and a cleaning system thereof. The cleaning system of the engineering machine comprises a water pump, a water tank, a control device and a pumping and draining switching valve. The pumping and draining switching valve is provided with a water inlet, a water outlet and an air inlet, the water inlet is communicated with the water tank, the water outlet is communicated with a suction port of the water pump, and the air inlet is communicated with the atmosphere. On one state, the water inlet of the pumping and draining switching valve is communicated with the water outlet, and the air inlet is closed; in another state, the air inlet of the pumping and draining switching valve is communicated with the water outlet, and the water inlet is closed; a first output end of the control device is connected with an electronic control end of the pumping and draining switching valve by signals. The engineering machine and the cleaning system thereof have the advantages that the states of the pumping and draining switching valve can be controlled via the control device, so that draining operation can be facilitated; power for draining operation is identical to pumping power for cleaning operation, so that power of other systems can be omitted, adverse impact of the draining operation on the engineering machine can be reduced, and the safety of the engineering machine can be improved.
Description
Technical field
The utility model relates to construction machinery and equipment cleaning apparatus, and particularly a kind of washing system of construction machinery and equipment, also relates to a kind of construction machinery and equipment that comprises this washing system.
Background technology
The pump truck of pump concrete or lime-ash, drag the construction machinery and equipments such as pump to generally include the washing system being arranged on its body, washing system generally includes water tank and water pump, water pump can be by the water pump of water tank in detergent line, so that the predetermined position of construction machinery and equipment (as the predetermined pipeline of pump truck) is cleaned.
For fear of or reduce the hydropexis (during the water freezing of delay, may cause the damage of corresponding component) of washing system, conventionally in the relevant position (normally minimum position) of washing system, sluicing valve is set; After cleaning, can the water in washing system corresponding pipeline be discharged by sluicing valve.But due to water pump inner structure, sluicing valve is set can not discharge the water being detained in water pump.
In order to discharge the water in water pump, existing a kind of mode is: the high pressure gas of pressure system is guided in water pump by gas piping.When water pump normally carries out pump water conservancy project and does, by suitable valve, cut off gas piping, can make washing system and pressure system keep isolation, avoid the two to influence each other.When washing system work is complete, can make gas piping ventilation, the high pressure gas in pressure system flow in water pump by gas piping, the resident water in water pump is blown out, and then the water in water pump is discharged.Although which can be discharged the resident water in water pump, is connected with pressure system because needs arrange gas piping, easily cause pressure system gas leakage, and then easily cause braking or other actions to be lost efficacy, the safety of construction machinery and equipment is reduced.In addition, by respective valve, control the break-make of gas piping, also make drain operation complicated.
For this reason, how, when the resident water in water pump is discharged, guarantee the safety of construction machinery and equipment, and drain operation comfort feature is current those skilled in the art's technical issues that need to address.
Utility model content
In view of this, the utility model provides a kind of washing system of construction machinery and equipment, utilizes this washing system when the resident water in water pump is discharged, to guarantee to improve the safety of construction machinery and equipment, and can make drain operation more convenient.
In addition, the utility model also provides a kind of construction machinery and equipment that comprises above-mentioned washing system.The cleaning operation of this project machinery is convenient, and safety is higher.
The washing system of the construction machinery and equipment that the utility model provides comprises water pump and water tank, also comprises control setup and pump row change-over valve;
Described pump row change-over valve has the water inlet communicating with described water tank, the water outlet communicating with described water pump intake and the admission port communicating with atmosphere; Under a kind of state, water inlet and the water outlet of described pump row change-over valve communicate, admission port cut-off; Under another kind of state, admission port and the water outlet of described pump row change-over valve communicate, water inlet cut-off;
The first mouth of described control setup is connected with the automatically controlled end signal of described pump row change-over valve.
The washing system of optionally, described construction machinery and equipment also comprises the flow detector that detects the discharge of pipeline between water tank and the water inlet of described pump row change-over valve;
An input end of described control setup is connected with described flow detector.
The washing system of optionally, described construction machinery and equipment also comprises the electric-controlled switch valve on the pipeline being connected between described water tank and the check point of described flow detector;
The second mouth of described control setup is connected with the automatically controlled end signal of described electric-controlled switch valve.
Optionally, the normality of described electric-controlled switch valve is closed condition.
Optionally, the washing system of described construction machinery and equipment also comprises driver train, and the output shaft of described driver train is connected with the input shaft of described water pump;
The 3rd mouth of described control setup is connected with the automatically controlled end signal of described driver train.
Optionally, described control setup comprises controller and draining button; An input end of described controller is connected with described flow detector, and three mouths form respectively the first mouth, the second mouth and the 3rd mouth of described control setup.
Optionally, described pump row change-over valve is two solenoid directional control valves of threeway.
Optionally, under normal conditions, described water inlet and described water outlet communicate described pump row change-over valve, described admission port cut-off.
The construction machinery and equipment that the utility model provides comprises body, also comprises the washing system of above-mentioned any construction machinery and equipment, and described water pump and described water tank are installed on described body.
Optionally, this project machinery is pump truck or drags pump.
In the washing system of the construction machinery and equipment that the utility model provides, except comprising water pump and water tank, also comprise control setup and pump row change-over valve.Because described pump row change-over valve has the water inlet communicating with described water tank, the water outlet communicating with described water pump intake and the admission port communicating with atmosphere; And this pump row change-over valve is under a kind of state, and its water inlet and water outlet communicate, admission port cut-off, under another kind of state, described admission port and the water outlet of described pump row change-over valve communicate, water inlet cut-off.The first mouth due to described control setup is connected with the automatically controlled end signal of described pump row change-over valve again; Like this, when carrying out cleaning operation, can the water inlet of pump row change-over valve be communicated with water outlet, and make pump operation by the automatic control pump of control setup row change-over valve, by water sucking-off being pumped in cleaning water route from water tank.At cleaning operation, finish, when the water in water pump need to be discharged, can be by the automatic control pump row of control setup change-over valve, the admission port of pump row change-over valve is communicated with water outlet, and make water inlet cut-off, and disconnect the water route between water pump and water tank, make water pump normal operation, water pump, from admission port air amount, is discharged the resident water in water pump simultaneously.Utilize the washing system of the construction machinery and equipment that the utility model provides, the state by control setup control pump row change-over valve, makes drain operation convenient.Due to the power of drain operation, pump hydrodynamic force is identical during with cleaning operation, does not need to introduce the power (as the high pressure gas of pressure system) of other system, and then can reduce the adverse effect of drain operation to construction machinery and equipment, improves the safety of construction machinery and equipment.
In further technical scheme, washing system also comprises the flow detector that detects the discharge of pipeline between water tank and the water inlet of described pump row change-over valve; An input end of described control setup is connected with described flow detector.Flow detector detects the discharge obtaining can reflect that whether the water suction of water pump is smooth and easy.Like this, in carrying out cleaning operation process, control setup just can judge that whether the water suction of water pump is normal according to the detection signal of flow detector, and then can be when pump sump has some setbacks, automatically control driver train, make water pump stop motion or with lower speed running, with Avoids or reduces, because water suction has some setbacks, lead and damage.
In further technical scheme, washing system also comprises the electric-controlled switch valve on the pipeline being connected between described water tank and the check point of described flow detector; The second mouth of described control setup is connected with the automatically controlled end signal of described electric-controlled switch valve.When carrying out cleaning operation, control setup can be opened by automatic control electric control switch valve, and the running that control pump is arranged change-over valve state and water pump (passing through driver train) automatically, can guarantee that cleaning operation normally carries out.When carrying out drain operation, control setup can be closed by automatic control electric control switch valve, and the water that can avoid or reduce like this in water tank leaks.
In further technical scheme, the normality of described electric-controlled switch valve is closed condition, like this can be the in the situation that of washing system dead electricity, and electric-controlled switch valve keeps cutting out, leakage that can anti-sealing.Meanwhile, under normal conditions, its water inlet and water outlet communicate described pump row change-over valve, admission port cut-off.In the time of can avoiding washing system dead electricity like this, detergent line aqueous reflux, affects cleaning operation.
In further technical scheme, the 3rd mouth of control setup is also connected with the automatically controlled end signal of driver train, like this, control setup not only can be arranged change-over valve by control pump, can also automatically control driver train, and then controls the time of run of water pump in drain operation process, and then can automatically control the time of run of water pump in drain operation process, and then when guaranteeing the resident water discharge in water pump, improve the automatism of drain operation, make drain operation more convenient.Certainly, when carrying out cleaning operation, also can make control setup control driver train, and then control the running of water pump.
Owing to comprising the washing system of above-mentioned construction machinery and equipment, the cleaning operation of this project machinery is convenient, and safety is higher.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.
Fig. 1 is the principle of work schematic diagram of the washing system of the construction machinery and equipment that provides of the utility model embodiment.
In figure:
Pump row change-over valve 400
Electric-controlled switch valve 700
By pass valve 900
The specific embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the utility model can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
Please refer to Fig. 1, this figure is the principle of work schematic diagram of the washing system of the pumping machine that provides of the utility model embodiment.The washing system of this pumping machine comprises water pump 100 and water tank 200.Water pump 100 can be when carrying out cleaning operation pump water, produce the water with certain pressure.In water tank 200, store the water of scheduled volume.
Also comprise control setup 300 and pump row change-over valve 400.Wherein pump row change-over valve 400 has water inlet, water outlet and admission port.In pump row change-over valve 400, its water inlet communicates with water tank 200, and water outlet communicates with the sucking hole of water pump 100, and admission port communicates with atmosphere.Pump row change-over valve 400 has two states, and under the first state, its water inlet and water outlet communicate, admission port cut-off (with other mouthful of remain off); Under the second state, its admission port and water outlet communicate, water inlet cut-off.Pump row change-over valve 400 can be ball valve, or change-over valve; In a specific embodiment, pump row change-over valve 400 is two solenoid directional control valves of threeway, certainly, can be also other electrically-controlled valve.
The first mouth of control setup 300 is connected with the automatically controlled end signal of pump row change-over valve 400.Like this, control setup 300 just can be arranged change-over valve 400 sending controling instructions to pump, makes pump row change-over valve 400 carry out state conversion.
Utilize above-mentioned washing system, when carrying out cleaning operation, can make pump row change-over valve 400 in the first state by the automatic control pump row of control setup 300 change-over valve 400, its water inlet communicates with water outlet, admission port cut-off.Like this, the sucking hole of water pump 100 just can be arranged change-over valve 400 by pump and communicates with water tank 200.Now, make water pump 100 normal operation, water sucking-off being pumped into from water tank 200 can be cleaned in water route, to carry out cleaning operation.At cleaning operation, finish, in water pump 100, may have certain resident water; In the time the water in water pump 100 need to being discharged (as the shutdown of spending the night), can to pump, arrange change-over valve 400 sending controling instructions by control setup 300, and then control pump is arranged change-over valve 400 automatically, the admission port of pump row change-over valve 400 is communicated with water outlet; The sucking hole of water pump 100 is communicated with atmosphere; Make water inlet cut-off simultaneously, and then disconnect the water route between water pump 100 and water tank 200; Make water pump 100 runnings, water pump 100, from admission port air amount, can be discharged the resident water in water pump 100 simultaneously again.Like this, utilize the washing system of this pumping machine, the state by control setup 300 control pump row change-over valves 400, can make drain operation convenient, improves drainage efficiency.Due to the power of drain operation, the power of pump water is identical during with cleaning operation, do not need to introduce the power (as the high pressure gas of the pressure system of describing in background technology) of other system, and then can reduce the adverse effect of drain operation to pumping machine, improve the safety of pumping machine.
In the present embodiment, in this washing system, the output shaft of driver train 500 is connected with the input shaft of water pump 100; To drive water pump 100 runnings.Driver train 500 can comprise motor, HM Hydraulic Motor or driving engine etc.; Also can be the power of drawing from the driving engine of pumping machine.Washing system can also comprise the flow detector 600 that detects the discharge of pipeline between water tank 200 and the water inlet of pump row change-over valve 400.An input end of control setup 300 is connected with flow detector 600.
Utilize flow detector 600 to detect the discharge obtaining and can reflect that whether the water suction of water pump 100 is smooth and easy.Like this, in carrying out cleaning operation process, control setup 300 just can judge that whether the water suction of water pump 100 is normal according to the detection signal of flow detector 600, and then can be when water pump 100 water suctions have some setbacks, automatically control driver train 500, make water pump 100 stop motions or with lower speed running, with Avoids or reduces water pump 100, because water suction has some setbacks, lead and damage.
Meanwhile, the washing system that the utility model embodiment provides can also comprise the electric-controlled switch valve 700 on the pipeline being connected between water tank 200 and the check point of flow detector 600.When electric-controlled switch valve 700 is opened, can make the pipeline connection between water tank 200 and the check point of flow detector 600; When electric-controlled switch valve 700 cuts out, can make the pipeline between water tank 200 and the check point of flow detector 600 disconnect.The second mouth of control setup 300 can be connected with the automatically controlled end signal of electric-controlled switch valve 700.Like this, when carrying out cleaning operation, control setup 300 can be opened by automatic control electric control switch valve 700, and automatic control pump arranges change-over valve 400 states and water pump 100(passes through the running of driver train 500, can guarantee that cleaning operation normally carries out.When carrying out drain operation, control setup 300 can be closed by automatic control electric control switch valve 700, and the water that can avoid or reduce like this in water tank leaks.
The normality of electric-controlled switch valve 700 can be closed condition.Like this can be the in the situation that of washing system dead electricity, electric-controlled switch valve 700 can keep cutting out, the leakage of anti-sealing; Meanwhile, also can make pump row change-over valve 400 under normal conditions, its water inlet and water outlet communicate, admission port cut-off.In the time of can avoiding washing system dead electricity like this, detergent line aqueous reflux, affects cleaning operation.
Above-mentioned driver train 500 can be electrical control mechanism; Like this, according to corresponding control signal, driver train 500 can outputting power, or outputting power not, or with higher rotating speed outputting power, or with lower rotating speed outputting power.Meanwhile, can also make the 3rd mouth of control setup 300 be connected with the automatically controlled end signal of driver train 500.Like this, control setup 300 just can transmit control signal to driver train 500, and then driver train 500 is turned round in a predetermined manner.Like this, control setup 300 not only can be arranged change-over valve 400 by control pump, can also automatically control driver train 500, and then the time of run of control water pump 100 in drain operation process, and then can automatically control the time of run of water pump 100 in drain operation process, and then when guaranteeing the resident water discharge in water pump 100, improve the automatism of drain operation, make drain operation more convenient.Certainly, when carrying out cleaning operation, also can make control setup 300 control driver train 500, and then control the running of water pump 100.
Certainly, for fear of water pump 100 is dry after the water being detained is discharged, turn, can be by control setup 300 be set, control setup 300 is being sent after the control command that makes water pump 100 runnings to driver train 500, postpone predetermined time, then send to driver train 500 control command that water pump 100 is shut down.
In the present embodiment, control setup 300 comprises controller 310 and draining button 320; An input end of controller 310 is connected with flow detector 600, the first mouth, the second mouth and the 3rd mouth of three mouth difference formation control devices 300.When operating personal triggers draining button, draining button sends draining instruction to controller; Controller 310 is suitably set, makes controller 310 can control electric-controlled switch valve 700 and close; The state of control pump row change-over valve 400, makes its admission port communicate with water outlet simultaneously, water inlet cut-off; Can also control driver train 500, and then control water pump 100 turns round predetermined time simultaneously; And after delay scheduled time (this schedule time can discharge the resident water in water pump 100), by controlling driver train 500, water pump 100 is shut down.Certainly, water pump 100 is shut down simultaneously, state that can control pump row change-over valve 400, communicates state water inlet and the water outlet of pump row change-over valve 400, admission port cut-off.Concrete control policy can be determined according to actual needs.
In addition, in the washing system that the utility model embodiment provides, filter 800 can also be set, filter 800 is preferably connected to water tank 200 exit, so that the water flowing out from water tank 200 is filtered; Certainly, filter 800 also can integrate with water tank 200.In the present embodiment, filter 800 can be connected between the electric-controlled switch valve 700 of water tank 200.In addition, filter 800 can also be provided with eduction valve 810, with when filter 800 stops up, can open eduction valve 810, and the water in filter 800 is flowed out.
Too high in order to guarantee washing system line pressure, by pass valve 900 can also be set; By pass valve 900 has export and import, and has suitable oil pressure relief; When entrance pressure reaches oil pressure relief, its import and outlet conducting, can pressure release; At entrance pressure, during lower than oil pressure relief, its import and outlet remain open.As shown in the figure, in the embodiment that the utility model provides, the import of by pass valve 900 can communicate with the pumping outlet of water pump 100, and outlet communicates with water tank 200.The pumping outlet hypertonia of water pump 100 (reach or higher than the oil pressure relief of by pass valve 900 time), the import of by pass valve 900 and outlet conducting, the water that water pump 100 is discharged can be back in water tank 200.Certainly, the outlet of by pass valve 900 is not limited to communicate with water tank 200, also can communicate with the external world.
Be appreciated that above-mentioned washing system not only can be applied on pumping machine, also can be applied in Other Engineering mechanically, with the predetermined position to construction machinery and equipment, clean.
The utility model embodiment also provides a kind of construction machinery and equipment, and this project machinery comprises body, also comprises the washing system of above-mentioned any construction machinery and equipment, and wherein, water pump 100 and water tank 200 are installed on body.This project machinery can or drag pump for pump truck.Owing to comprising the washing system of above-mentioned any construction machinery and equipment, the cleaning operation of this project machinery is convenient, and safety is higher.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a washing system for construction machinery and equipment, comprises water pump (100) and water tank (200), it is characterized in that, also comprises control setup (300) and pump row change-over valve (400);
Described pump row's change-over valve (400) has the water inlet communicating with described water tank (200), the water outlet communicating with the sucking hole of described water pump (100) and the admission port communicating with atmosphere; Under a kind of state, water inlet and the water outlet of described pump row's change-over valve (400) communicate, admission port cut-off; Under another kind of state, admission port and the water outlet of described pump row's change-over valve (400) communicate, water inlet cut-off;
The first mouth of described control setup (300) is connected with the automatically controlled end signal of described pump row's change-over valve (400).
2. the washing system of construction machinery and equipment according to claim 1, is characterized in that, also comprises the flow detector (600) that detects the discharge of pipeline between described water tank (200) and the water inlet of described pump row's change-over valve (400);
An input end of described control setup (300) is connected with described flow detector (600).
3. the washing system of construction machinery and equipment according to claim 2, is characterized in that, also comprises the electric-controlled switch valve (700) on the pipeline being connected between described water tank (200) and the check point of described flow detector (600);
The second mouth of described control setup (300) is connected with the automatically controlled end signal of described electric-controlled switch valve (700).
4. the washing system of construction machinery and equipment according to claim 3, is characterized in that, the normality of described electric-controlled switch valve (700) is closed condition.
5. the washing system of construction machinery and equipment according to claim 3, is characterized in that, also comprises driver train (500), and the output shaft of described driver train (500) is connected with the input shaft of described water pump (100);
The 3rd mouth of described control setup (300) is connected with the automatically controlled end signal of described driver train (500).
6. the washing system of construction machinery and equipment according to claim 3, is characterized in that, described control setup (300) comprises controller (310) and draining button (320); An input end of described controller (310) is connected with described flow detector (600), and three mouths form respectively the first mouth, the second mouth and the 3rd mouth of described control setup (300).
7. according to the washing system of the construction machinery and equipment described in claim 1 to 6 any one, it is characterized in that, described pump row's change-over valve (400) is two solenoid directional control valves of threeway.
8. the washing system of construction machinery and equipment according to claim 7, is characterized in that, under normal conditions, described water inlet and described water outlet communicate described pump row's change-over valve (400), described admission port cut-off.
9. a construction machinery and equipment, comprises body, it is characterized in that, also comprises the washing system of the construction machinery and equipment described in claim 1 to 8 any one, and described water pump (100) and described water tank (200) are installed on described body.
10. construction machinery and equipment according to claim 9, is characterized in that, this project machinery is for pump truck or drag pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320443833.6U CN203391737U (en) | 2013-07-24 | 2013-07-24 | Engineering machine and cleaning system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320443833.6U CN203391737U (en) | 2013-07-24 | 2013-07-24 | Engineering machine and cleaning system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203391737U true CN203391737U (en) | 2014-01-15 |
Family
ID=49903289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320443833.6U Expired - Lifetime CN203391737U (en) | 2013-07-24 | 2013-07-24 | Engineering machine and cleaning system thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN203391737U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105501191A (en) * | 2015-11-27 | 2016-04-20 | 湖南五新隧道智能装备股份有限公司 | Vehicle cleaning device and control method, and concrete guniting vehicle |
-
2013
- 2013-07-24 CN CN201320443833.6U patent/CN203391737U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105501191A (en) * | 2015-11-27 | 2016-04-20 | 湖南五新隧道智能装备股份有限公司 | Vehicle cleaning device and control method, and concrete guniting vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |
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| CX01 | Expiry of patent term |