CN204212427U - A kind of pump truck waterway control system and there is its pump truck - Google Patents
A kind of pump truck waterway control system and there is its pump truck Download PDFInfo
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- CN204212427U CN204212427U CN201420170635.1U CN201420170635U CN204212427U CN 204212427 U CN204212427 U CN 204212427U CN 201420170635 U CN201420170635 U CN 201420170635U CN 204212427 U CN204212427 U CN 204212427U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 263
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model discloses a kind of pump truck waterway control system and there is its pump truck.Described pump truck waterway control system comprises: water tank, for storage of water; Water pump, rinses pump truck for the water pump in water tank is delivered to hydraulic giant; And condensate tank of dehumidifier, it is for detecting the water level in described water tank, and wherein, described condensate tank of dehumidifier is associated with described water pump, when the water level that condensate tank of dehumidifier detects is equal to or less than setting threshold value, described water pump is quit work.Pump truck water circuit system of the present utility model has condensate tank of dehumidifier, thus the water level that can detect in water tank, when water level is less than or equal to setting lowest water level, pump truck is quit work, prevent water pump from inhaling empty, prevent water piston dry friction thus, prevent piston seal from burning out inefficacy, thus ensure the normal work of pump truck, and extend the application life of pump truck water circuit system.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to a kind of pump truck waterway control system and has its pump truck.
Background technology
Pump truck is concrete pumping equipment conventional in building trade, has traveling and pump function.Due to the applied environment of pump truck, often cause pump truck hopper and other positions appearance residual concrete in various degree.For the object such as clean, pump truck water circuit system is usually adopted to rinse above-mentioned position.
In prior art, pump truck water circuit system generally includes water tank, water pump and hydraulic giant.When needs cleaning vehicle, make pump operation, the water pump in water tank is delivered to hydraulic giant, then be injected into pump truck and need cleaning place, clean.There is following problems and affect the use of water pump in this kind of pump truck water circuit system.When cistern water level is lower than the water sucking mouth of water pump in water tank, water pump is inhaled empty and is easily damaged.Such as, water piston dry friction, piston seal burns out and lost efficacy.
Therefore, wish that a kind of pump truck waterway control system overcomes or at least alleviates the above-mentioned defect of prior art.
Utility model content
The purpose of this utility model is to provide a kind of pump truck waterway control system, overcomes or at least alleviate the above-mentioned defect of prior art.
For achieving the above object, the utility model provides a kind of pump truck waterway control system.Described pump truck waterway control system comprises: water tank, for storage of water; Water pump, rinses pump truck for the water pump in water tank is delivered to hydraulic giant; And condensate tank of dehumidifier, it is for detecting the water level in described water tank, and wherein, described condensate tank of dehumidifier is associated with described water pump, when the water level that condensate tank of dehumidifier detects is equal to or less than setting threshold value, described water pump is quit work.
Preferably, described water pump is with drive motors, and described condensate tank of dehumidifier is water level switch, and described water level switch is connected in the drive circuit of described drive motors.
Preferably, described pump truck waterway control system comprises control device further, described control device receives the water level signal of described condensate tank of dehumidifier detection and is associated with described water pump, when the water level that described water level signal represents is equal to or less than described setting threshold value, described water pump is quit work.
Preferably, described control device comprises controller, control valve for water pump and pump motor, and wherein, described pump motor is connected with described water pump drive, for driving described pump operation; Described control valve for water pump is arranged in the hydraulic drive circuit of described pump motor, for controlling the work of described pump motor;
Described controller associates with described control valve for water pump with described condensate tank of dehumidifier, when the water level that the water level signal that described condensate tank of dehumidifier detects represents is equal to or less than setting threshold value, described controller controls the hydraulic drive circuit that described control valve for water pump cuts off described pump motor.
Preferably, described control device comprises controller and water pump driving motor, and described condensate tank of dehumidifier is level sensor, wherein,
Described water pump driving motor is connected with described water pump drive, for driving described pump operation;
Described controller is electrically connected with described level sensor and water pump driving motor, and when the water level that the water level signal that described level sensor detects represents is equal to or less than the threshold value of setting, described controller makes described water pump driving motor shut down.
Preferably; described pump truck waterway control system comprises outlet pipeline further, and described water pump is communicated with described hydraulic giant by described outlet pipeline, is provided with starting protection valve between described outlet pipeline and described water tank; described starting protection valve and described water pump are synchronously opened, and time-delay closing.
Preferably, described pump truck waterway control system comprises delay closing circuit further, and delay closing circuit is used for starting protection valve described in time-delay closing after starting protection valve triggering work.
Preferably, the water level of described setting threshold value is equal to or higher than the water level of water pump water sucking mouth in water tank.
The utility model also provides a kind of pump truck, and described pump truck comprises pump truck waterway control system as above.
Pump truck waterway control system of the present utility model adds condensate tank of dehumidifier, thus the water level that can detect in water tank, when water level is less than or equal to setting lowest water level, pump truck is quit work, prevent water pump from inhaling empty, prevent water piston dry friction thus, prevent piston seal from burning out inefficacy, thus ensure the normal work of pump truck, and extend the application life of pump truck water circuit system.
Accompanying drawing explanation
Fig. 1 is the schematic block diagram of the pump truck waterway control system according to the utility model one embodiment.
Reference numeral:
| 1 | Water tank | 6 | Pump motor |
| 2 | Water pump | 7 | Control valve for water pump |
| 3 | Water-aspirator pressure control valve | 8 | Gauge tap |
| 4 | Outlet pipeline | 9 | Water level switch |
| 5 | Hydraulic giant | 10 | Starting protection valve |
Detailed description of the invention
The object implemented for making the utility model, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, are further described in more detail the technical scheme in the utility model embodiment.In the accompanying drawings, same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Described embodiment is the utility model part embodiment, instead of whole embodiments.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore the restriction to the utility model protection domain can not be interpreted as.
Pump truck waterway control system according to the utility model one broad embodiment comprises: water tank, water pump and condensate tank of dehumidifier.Water tank is used for storage of water, and the water stored in water tank can be the water being exclusively used in vehicle cleaning; Also can be for the multi-purpose water of pump truck, such as, simultaneously for cleaning, the water of the purposes such as cooling.Water pump, rinses pump truck for the water pump in water tank is delivered to hydraulic giant.Be understandable that, water pump can be the pump of any type, and can be plunger displacement pump, also can be vane pump.Condensate tank of dehumidifier is for detecting the water level in described water tank.Described condensate tank of dehumidifier is associated with described water pump, when the water level that condensate tank of dehumidifier detects is equal to or less than setting threshold value, described water pump is quit work.
Be understandable that, condensate tank of dehumidifier can be any suitable Level monitor, such as, and level sensor, water level switch etc.In one embodiment, condensate tank of dehumidifier is mechanical type water level switch (float type water level switch), and when water level arrives designated water level, two electric contact contacts with each other, turning circuit.In another embodiment, condensate tank of dehumidifier is level sensor, and it sends the digital voltage signal corresponding with water level or current signal.In a further embodiment, condensate tank of dehumidifier is electronic level switch, and it sends the switching value signal of telecommunication corresponding with water level.
The operating principle of electronic level switch: water level is detected by built-in electronic probe, processed the signal detected by chip, when having determined water (reaching designated water level), chip has exported high level (such as 24V or 5V etc. again, when determining anhydrous, chip exports 0V.Be understandable that, electronic level switch also can by replacements such as condenser type water level switch, electric pole type water level switch, photo-electric water level switch, tuning-fork type water level switches.
Also it is pointed out that described water pump can carry drive motors, also can be driven by outer centrally-mounted driving or fluid pressure type drive unit (fluid pressure type pump motor).In a simple preferred embodiment, described water pump is with drive motors, and described condensate tank of dehumidifier is water level switch (such as mechanical type water level switch), and described water level switch is connected in the drive circuit of described drive motors.Thus in water tank, water level is lower than setting threshold value (lowest water level), water level switch disconnects, and drive motors shuts down, water air pump inoperative, thus it is empty to avoid water pump to inhale.
When the signal that condensate tank of dehumidifier exports is safe voltage, by described signal by after triode or electromagnet conversion, the work being combined the outer centrally-mounted driving controlling water pump or water pump with drive circuit can be carried out.In another kind of alternate embodiment, described pump truck waterway control system comprises control device further, described control device receives the water level signal (safe voltage) of described condensate tank of dehumidifier detection and is associated with described water pump, when the water level that described water level signal represents is equal to or less than described setting threshold value, described water pump is quit work.
In a preferred embodiment, described control device comprises controller, control valve for water pump and pump motor, and wherein, described pump motor is connected with described water pump drive, for driving described pump operation; Described control valve for water pump is arranged in the hydraulic drive circuit of described pump motor, for controlling the work of described pump motor; Described controller associates with described control valve for water pump with described condensate tank of dehumidifier, when the water level that the water level signal that described condensate tank of dehumidifier detects represents is equal to or less than setting threshold value, described controller controls the hydraulic drive circuit that described control valve for water pump cuts off described pump motor.Described controller can be simple gauge tap (such as, is by the electro-magnet switch of magnet control, or triode switch), can also be IC chip.
The pump truck waterway control system of above-described embodiment adds water level detecting and controlling, thus the water level that can detect in water tank, when water level is lower than setting lowest water level, pump truck is quit work, prevent water pump from inhaling empty, prevent water piston dry friction thus, prevent piston seal from burning out inefficacy, thus ensure the normal work of pump truck, and extend the application life of pump truck water circuit system.
Fig. 1 is the schematic block diagram of the pump truck waterway control system according to the utility model one embodiment.
Pump truck waterway control system shown in Fig. 1 comprises water tank 1, water pump 2, pump motor 6, control valve for water pump 7, gauge tap 8, water-aspirator pressure control valve 3, outlet pipeline 4 and hydraulic giant 5.
Water pump 2 is connected with water tank 1, and the pump motor 6 be connected with control valve for water pump 7 provides power for water pump 2 works.Control valve for water pump 7 is connected with gauge tap 8.Water tank 1 is provided with water sucking mouth, water route (i.e. the water sucking mouth of water pump 2 in water tank 1).Water in water tank 1 is by the water sucking mouth sucking-off of described water route, arrive outlet pipeline 4 through water-aspirator pressure control valve 3, and the water side of outlet pipeline 4 is connected with hydraulic giant 5.The output hydraulic pressure of water-aspirator pressure control valve 3 by regulating the flow being back to the water of water tank to regulate water pump 2.Whether hydraulic giant 5 has switch, control to spray water.Be understandable that, also switch can not be set on hydraulic giant 5, to simplify structure and operation.
The pump truck waterway control system of illustrated embodiment also comprises water level switch 9 and starting protection valve 10.Water level switch 9 is arranged in water tank 1, and the output of water level switch 9 is associated with gauge tap 8, for controlling the break-make of gauge tap 8.Gauge tap 8 can be by the switch of magnet control, also can be the similar electronic switches such as triode switch.When adopting level sensor, described gauge tap can be replaced with integrated circuit (control chip), in one embodiment, be connected with described level sensor or water level switch with the central controller of whole pump truck, and and then the operation of control water pump.
Starting protection valve 10 is arranged between outlet pipeline 4 and water tank 1.Starting protection valve 10 and gauge tap 8 are electrically connected and suspension control switch 8 controls.Advantageously, starting protection valve 10 and water pump 2 synchronously start running.Such as, when gauge tap 8 closes, make the electric drive circuit closed of starting protection valve 10 simultaneously.
Advantageously, be provided with delay closing circuit in described starting protection valve 10, delay closing circuit is used for time-delay closing starting protection valve 10 after starting protection valve 10 triggering work.The time of time delay can be arranged as required, such as, and time delay 1 minute.Described delay closing circuit also can be arranged on outside described starting protection valve.In a preferred embodiment, described delay closing circuit is integrated in the central controller of described pump truck.When starting water pump; gauge tap sends signal to control valve for water pump; also send signal to starting protection valve simultaneously; starting protection valve is started working after receiving the signal that gauge tap sends; the water in outlet pipeline is made to get back to water tank; air in water route is discharged, and namely starting protection valve also quits work after realizing the air discharging operation in water route under the effect of delay closing circuit simultaneously.Be conducive on the one hand reducing the operating pressure of water pump when hydraulic giant cuts out, be conducive to the discharge of air in water route on the other hand, prevent air in the circular flow of water pump inside.
As the preferred water level switch 9 of one, the sensor of the water level switch 9 in described pump truck waterway control system for outputing signal under being set in minimum liquid level situation.Specifically, when water level switch 9 records lowest water level lower than setting of water level in water tank 1, water level switch 9 sends stop signal to gauge tap 8.Wherein, the described lowest water level that water level switch 9 sets is equal to or higher than the water level of water sucking mouth, water route in water tank 1.
Operationally, specific works flow process is as follows for described pump truck waterway control system:
1. when starting water pump 2, gauge tap 8 sends signal to control valve for water pump 7, and pump motor 6 is started, and drive water pump 2 to rotate, water under high pressure arrives outlet pipeline 4 from pump sump mouth through water-aspirator pressure control valve 3;
2. gauge tap 8 simultaneously sends signal to starting protection valve 10, and starting protection valve 10 is opened, the water of outlet pipeline 4 through starting protection valve 10 recovery tank, simultaneously by the air emptying in water route;
3. starting protection valve 10 is after the delay time of setting, and automatically close, now hydraulic giant 5 is opened, and water under high pressure sprays from hydraulic giant 5;
4., when water level in water tank 1 is lower than setting lowest water level, water level switch 9 sends signal to gauge tap 8, and make gauge tap 8 send stop signal to control valve for water pump 7, water pump 2 quits work, and protection water pump does not inhale sky;
5., when starting water pump 2, if when water tank 1 water level is lower than setting lowest water level, water level switch 9 sends stop signal to gauge tap 8, makes gauge tap 8 not send enabling signal to control valve for water pump 7, protection water pump 2 does not inhale sky.
In addition, the pump motor 6 in such scheme adopts water pump 2 motor to replace, and all the other control circuit parts are consistent substantially, can normally work equally.
In addition, on the basis of the technical scheme of above-mentioned pump truck waterway control system, the utility model also provides a kind of pump truck, and it comprises above-mentioned pump truck waterway control system.
Finally it is to be noted: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit.Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. a pump truck waterway control system, is characterized in that, comprising:
Water tank (1), for storage of water;
Water pump (2), rinses pump truck for the water pump in water tank (1) is delivered to hydraulic giant (5); And
Condensate tank of dehumidifier, it is for detecting the water level in described water tank (1),
Wherein, described condensate tank of dehumidifier is associated with described water pump (2), when the water level that condensate tank of dehumidifier detects is equal to or less than setting threshold value, described water pump (2) is quit work.
2. pump truck waterway control system as claimed in claim 1, it is characterized in that, described water pump (2) is with drive motors, and described condensate tank of dehumidifier is water level switch, and described water level switch is connected in the drive circuit of described drive motors.
3. pump truck waterway control system as claimed in claim 1, it is characterized in that, comprise control device further, described control device receives the water level signal of described condensate tank of dehumidifier detection and is associated with described water pump (2), when the water level that described water level signal represents is equal to or less than described setting threshold value, described water pump (2) is quit work.
4. pump truck waterway control system as claimed in claim 3, it is characterized in that, described control device comprises controller, control valve for water pump (7) and pump motor (6), wherein,
Described pump motor (6) is connected with described water pump drive, for driving described pump operation;
Described control valve for water pump is arranged in the hydraulic drive circuit of described pump motor (6), for controlling the work of described pump motor (6);
Described controller associates with described control valve for water pump (7) with described condensate tank of dehumidifier, when the water level that the water level signal that described condensate tank of dehumidifier detects represents is equal to or less than setting threshold value, described controller controls the hydraulic drive circuit that described control valve for water pump (7) cuts off described pump motor (6).
5. pump truck waterway control system as claimed in claim 3, it is characterized in that, described control device comprises controller and water pump driving motor, and described condensate tank of dehumidifier is level sensor, wherein,
Described water pump driving motor is connected with described water pump drive, for driving described pump operation;
Described controller is electrically connected with described level sensor and water pump driving motor, and when the water level that the water level signal that described level sensor detects represents is equal to or less than the threshold value of setting, described controller makes described water pump driving motor shut down.
6. pump truck waterway control system as claimed in claim 1; it is characterized in that; comprise outlet pipeline (4) further; described water pump (2) is communicated with described hydraulic giant (5) by described outlet pipeline (4); starting protection valve (10) is provided with between described outlet pipeline (4) and described water tank (1); described starting protection valve (10) and described water pump (2) are synchronously opened, and time-delay closing.
7. pump truck waterway control system as claimed in claim 6, is characterized in that, comprise delay closing circuit further, and delay closing circuit is used for starting protection valve (10) described in time-delay closing after starting protection valve (10) triggering work.
8. pump truck waterway control system as claimed in claim 1, is characterized in that, the water level of described setting threshold value is equal to or higher than the water level of water pump (2) water sucking mouth in water tank (1).
9. a pump truck, is characterized in that, comprises the pump truck waterway control system according to any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420170635.1U CN204212427U (en) | 2014-04-09 | 2014-04-09 | A kind of pump truck waterway control system and there is its pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420170635.1U CN204212427U (en) | 2014-04-09 | 2014-04-09 | A kind of pump truck waterway control system and there is its pump truck |
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| CN204212427U true CN204212427U (en) | 2015-03-18 |
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| CN201420170635.1U Expired - Lifetime CN204212427U (en) | 2014-04-09 | 2014-04-09 | A kind of pump truck waterway control system and there is its pump truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116413595A (en) * | 2023-01-30 | 2023-07-11 | 中国人民解放军陆军装甲兵学院 | Method and device for detecting eccentric rotor of synchronous reluctance motor based on vibration test |
-
2014
- 2014-04-09 CN CN201420170635.1U patent/CN204212427U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116413595A (en) * | 2023-01-30 | 2023-07-11 | 中国人民解放军陆军装甲兵学院 | Method and device for detecting eccentric rotor of synchronous reluctance motor based on vibration test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201013 Address after: No.202 Xuanfu street, Xuanhua District, Zhangjiakou, Hebei Province Patentee after: Hebei Leisa Heavy Construction Machinery Co.,Ltd. Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150318 |
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| CX01 | Expiry of patent term |