CN110409354B - Water wheel tank top self-cleaning device - Google Patents
Water wheel tank top self-cleaning device Download PDFInfo
- Publication number
- CN110409354B CN110409354B CN201910784933.7A CN201910784933A CN110409354B CN 110409354 B CN110409354 B CN 110409354B CN 201910784933 A CN201910784933 A CN 201910784933A CN 110409354 B CN110409354 B CN 110409354B
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- Prior art keywords
- water
- spraying frame
- pipeline
- tank
- water spraying
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 284
- 238000004140 cleaning Methods 0.000 title claims abstract description 37
- 238000005507 spraying Methods 0.000 claims abstract description 76
- 239000007921 spray Substances 0.000 claims abstract description 25
- 230000001105 regulatory effect Effects 0.000 claims abstract description 15
- 230000003584 silencer Effects 0.000 claims description 5
- 238000010992 reflux Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/093—Cleaning containers, e.g. tanks by the force of jets or sprays
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H3/00—Applying liquids to roads or like surfaces, e.g. for dust control; Stationary flushing devices
- E01H3/02—Mobile apparatus, e.g. watering-vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
The invention discloses a self-cleaning device for a water truck tank top, wherein a spray head is arranged on a water spray frame; the water delivery system comprises a water delivery pipeline, a ball valve, a water pump, a pressure regulating unloading valve and an unloading pipeline, wherein the ball valve, the water pump and the pressure regulating unloading valve are arranged on the water delivery pipeline, and the unloading pipeline is used for returning water flow to the water inlet end of the water pump through the pressure regulating unloading valve; the water delivery pipeline leads the water in the water tank into the water spraying frame, and the water spraying frame lifting mechanism comprises a pull rod, a cylinder, a water spraying frame descending limit seat, a water spraying frame lifting limit seat, a chassis air storage tank, an electromagnetic control valve and a gas pipeline; the chassis air storage tank is connected to the air cylinder through the air pipeline, the electromagnetic control valve is arranged on the air pipeline, the water spraying frame is movably connected to the water tank through the pull rod, the air cylinder is connected to the pull rod and the water tank, and the water spraying frame descending limit seat and the water spraying frame lifting limit seat are respectively arranged on two sides of the pull rod. The self-cleaning device can solve the problem of difficult cleaning of the tank top, can realize the cleaning operation of the tank top without the need of personnel to log on the tank top, and reduces the labor intensity and the safety risk of operators.
Description
Technical Field
The invention relates to an environmental sanitation water truck, in particular to a water truck tank top self-cleaning device.
Background
Sanitation water vehicles are widely used in urban and rural water sprinkling sanitation industries. The waterwheel has a large tank, which is generally elliptical or square for water storage.
When the water wheel is operated, the water wheel is in a relatively wet state all the time, surface dirt is easy to form, and the manual cleaning efficiency is low and the labor intensity is high.
Because the tank body is bigger and the position is relatively higher, the tank body needs to climb to the roof for cleaning, and the safety protection is less, so that a certain danger exists.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides an implementation mode of the self-cleaning device for the water truck tank top, so that the automatic cleaning of the water truck tank top can be expected.
In order to solve the technical problems, one embodiment of the present invention adopts the following technical scheme:
a self-cleaning device for a water truck tank top comprises a water tank, a water spraying frame, a water delivery system connected between the water tank and the water spraying frame and a water spraying frame lifting mechanism; the water spraying frame is provided with a plurality of spray heads; the water delivery system comprises a water delivery pipeline, a ball valve, a water pump, a pressure regulating unloading valve and an unloading pipeline, wherein the ball valve, the water pump and the pressure regulating unloading valve are arranged on the water delivery pipeline, and the unloading pipeline is used for returning water flow to the water inlet end of the water pump through the pressure regulating unloading valve; one end of the water delivery pipeline is connected with the water tank, and the other end of the water delivery pipeline is connected with the water inlet of the water spraying frame; the water spraying frame lifting mechanism comprises a pull rod, a cylinder, a water spraying frame descending limit seat, a water spraying frame lifting limit seat, a chassis air storage tank, an electromagnetic control valve and a gas pipeline; the chassis air storage tank is connected to the air cylinder through the air pipeline, the electromagnetic control valve is arranged on the air pipeline, the water spraying frame is movably connected to the water tank through the pull rod, a piston rod of the air cylinder is connected to the pull rod, the other end of the air cylinder is connected to the water tank, and the water spraying frame descending limit seat and the water spraying frame lifting limit seat are respectively arranged on two sides of the pull rod.
The water spraying frame is an annular water spraying frame which surrounds the upper part of the water tank.
The water delivery pipeline comprises a water tank water outlet pipeline connected with the ball valve and the water tank, a water pump water inlet pipeline connected with the ball valve and the water pump, a water pump water outlet pipeline connected with the water pump and the pressure regulating unloading valve, and a water spraying frame water inlet hose connected with the water pump water outlet pipeline and the water spraying frame.
Two ends of the water inlet hose of the water spraying frame are connected to the water outlet pipeline of the water pump and the water spraying frame through movable joints.
And a filter is arranged on the water delivery pipeline between the ball valve and the water pump.
The water spraying frame is provided with a pull rod upper support, the water tank is provided with a pull rod lower support, and two ends of the pull rod are respectively movably connected to the pull rod upper support and the pull rod lower support through cotter pins and pin shafts.
The water tank is provided with an air cylinder lower support, the pull rod is provided with an air cylinder upper support, a piston rod of the air cylinder is movably connected to the air cylinder upper support, and the other end of the air cylinder is movably connected to the air cylinder lower support.
The water spray frame lifting limiting seats are arranged at the front ends of a group of pull rods corresponding to the left and right positions, and the rear ends of other groups of pull rods are provided with water spray frame descending limiting seats.
The air pipeline comprises an electromagnetic valve air inlet pipeline and an electromagnetic valve air outlet pipeline, the two pipelines are respectively connected with the electromagnetic control valve through an electromagnetic valve air inlet connector and an electromagnetic valve air outlet connector, the chassis air storage tank is connected to the electromagnetic valve air inlet pipeline, and the air cylinder is connected to the electromagnetic valve air outlet pipeline.
And an exhaust throttling silencer is arranged at an air outlet of the electromagnetic control valve.
Compared with the prior art, the invention has at least the following beneficial effects:
1. the self-cleaning device can be arranged on a sprinkler or a cleaning vehicle and the like, and has wide application range;
2. the self-cleaning device can solve the problem of difficult cleaning of the tank top, and can be lifted to a preset position to be used as a guardrail during tank inspection;
3. when spraying water for self-cleaning, the pressurized water forms a continuous water curtain through the spray head to cover the top of the whole tank body, so that the cleaning range is larger and the effect is better;
4. because of the characteristic of lifting, the requirement that the total height of an automobile running on a road does not exceed the regulated limit is met;
5. compared with similar vehicle cleaning devices, the device can realize the cleaning operation of the tank top without the need of personnel to climb on the tank top, thereby reducing the labor intensity and the safety risk of operators.
Drawings
FIG. 1 is a schematic diagram of a water spray frame lifting structure of a water truck tank top self-cleaning device.
FIG. 2 is a schematic diagram showing the structure of the water spraying frame of the self-cleaning device for the water truck tank top in a descending state.
FIG. 3 is a schematic view of another azimuth structure of the self-cleaning device for the tank top of the waterwheel.
FIG. 4 is an enlarged view of a partial structure of the water truck roof self-cleaning device in the vicinity of a cylinder.
In the figure, a 1-water tank, a 2-water tank water outlet pipeline, a 3-ball valve, a 4-filter, a 5-unloading pipeline, a 6-water pump water inlet pipeline, a 7-water pump, an 8-pressure-regulating unloading valve, a 9-water spraying frame water inlet hose, a 10-chassis air storage tank, an 11-electromagnetic valve air inlet pipeline, a 12-electromagnetic valve air inlet joint, a 13-exhaust throttling silencer, a 14-electromagnetic control valve, a 15-electromagnetic valve air outlet joint, a 16-electromagnetic valve air outlet pipeline, a 17-loose joint, a 18-water spraying frame lifting limit seat, a 19-cylinder upper support, a 20-fastening assembly, a 21-cylinder, a 22-cylinder joint, a 23-cylinder lower support, a 24-water spraying frame, a 25-spray head, a 26-pull rod, a 27-pull rod upper support, a 28-pull rod lower support, a 29-pin shaft, a 30-cotter pin, a 31-water spraying frame descending limit seat and a 32-water pump water outlet pipeline are shown.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The structure of the self-cleaning device for the tank top of the waterwheel is shown in fig. 1, and mainly comprises a water tank 1, a water spraying frame 24, a water delivery system connected between the water tank and the water spraying frame and a water spraying frame lifting mechanism. The water tank 1 is a water tank of the water wheel, and is fixedly arranged on the chassis through a riding bolt and a connecting support lug.
The water spraying frame 24 is provided with a plurality of spray heads 25 which are uniformly arranged and can spray pressure water towards the top of the water truck. The water spraying frame is an annular water spraying frame which surrounds the upper part of the water tank, and the position relation of the water spraying frame arranged on the top of the waterwheel, the composition relation and the position of the connecting piece of the air cylinder can be seen by combining fig. 1 with fig. 3.
The water delivery system comprises a water delivery pipeline, a ball valve 3, a water pump 7 and a pressure-regulating unloading valve 8 which are arranged on the water delivery pipeline, and an unloading pipeline 5 which is used for refluxing water flow to the water inlet end of the water pump through the pressure-regulating unloading valve, namely one end of the unloading pipeline 5 is connected to the pressure-regulating unloading valve 8, and the other end is connected to the water inlet pipeline 6 of the water pump. One end of the water delivery pipeline is connected with the water tank, the other end of the water delivery pipeline is connected with the water inlet of the water spraying frame, and water in the water tank is introduced into the water spraying frame through the water delivery pipeline. Specifically, the water delivery pipeline comprises a water tank water outlet pipeline 2 connected with the ball valve and the water tank, a water pump water inlet pipeline 6 connected with the ball valve and the water pump, a water pump water outlet pipeline 32 connected with the water pump and the pressure regulating unloading valve, and a water spraying frame water inlet hose 9 connected with the water pump water outlet pipeline and the water spraying frame. The two ends of the water inlet hose of the water spraying frame are connected to the water outlet pipeline 32 of the water pump and the water spraying frame 24 through the movable joint 17. The water outlet pipeline 2 of the water tank is connected with the water tank through a flange, a sealing element and a fastening piece. In addition, a water delivery pipeline between the ball valve and the water pump, namely a water tank water outlet pipe, is provided with a filter 4. The water pump 7 is arranged at the rear end of the filter 4 and is fixedly arranged on the chassis.
The water spray frame lifting mechanism comprises a pull rod 26, an air cylinder 21, a water spray frame descending limit seat 31, a water spray frame lifting limit seat 18, a chassis air storage tank 10, an electromagnetic control valve 14 and air pipelines 11 and 16. The chassis air storage tank 10 is connected to the air cylinder through air pipelines 11 and 16, an electromagnetic control valve 14 is arranged on the air pipeline, and a water spraying frame 24 is movably connected to the water tank 1 through a pull rod 26. The movable connection can be realized by the following ways: the water spraying frame is provided with a pull rod upper support 27, the water tank is provided with a pull rod lower support 28, and the pull rod upper support 27 and the pull rod lower support 28 which are equal in number are respectively fixed on two sides of the water spraying frame 24 and the water tank 1. The two ends of the pull rod are respectively movably connected to the pull rod upper support 27 and the pull rod lower support 28 through cotter pins 30 and pin shafts 29. The air pipeline comprises an electromagnetic valve air inlet pipeline 11 and an electromagnetic valve air outlet pipeline 16, the two pipelines are respectively connected with an electromagnetic control valve 14 through an electromagnetic valve air inlet joint 12 and an electromagnetic valve air outlet joint 15, a chassis air storage tank 10 is connected to the electromagnetic valve air inlet pipeline 11, and an air cylinder 21 is connected to the electromagnetic valve air outlet pipeline 16 through an air cylinder joint 22.
The piston rod of the air cylinder 21 is connected to the pull rod 26, the other end of the air cylinder 21 is connected to the water tank 1, the air cylinder is movably connected with the pull rod and the water tank, and the air cylinder can move to a certain extent. Specifically, the following manner may be adopted for the movable connection: the water tank 1 is provided with an air cylinder lower support 23, the pull rod is provided with an air cylinder upper support 19, a piston rod of the air cylinder 21 is movably connected to the air cylinder upper support, and the other end of the air cylinder is movably connected to the air cylinder lower support. The cylinders may be connected to the two supports respectively by conventional fastening assemblies 20 such as bolt assemblies or the like.
The water spray frame descending limit seat 31 and the water spray frame lifting limit seat 18 are respectively arranged on two sides of the pull rod 26. Specifically, as shown in fig. 4, the water spray frame lifting limiting seat 18 is disposed at the front ends of the first group of tie rods corresponding to the left and right positions, and as shown in fig. 1, the rear ends of the other tie rods of each group are all provided with a water spray frame descending limiting seat 31.
As shown in fig. 1, an exhaust throttle muffler 13 is mounted at the air outlet of the solenoid control valve 14.
Working principle:
1. lifting a water spraying frame:
the electromagnetic control valve 14 is operated to be in a lifting state, compressed air from the chassis air storage tank 10 enters the large cavity of the air cylinder 21 through the electromagnetic valve air inlet pipeline 11, the electromagnetic valve air inlet joint 12, the electromagnetic valve air outlet joint 15, the electromagnetic valve air outlet pipeline 16 and the air cylinder joint 22, and the water spray frame 24 is lifted to a preset position. The lifted state is shown in fig. 1.
The lifting speed of the water spraying frame can be adjusted by adjusting the exhaust throttling silencer 13 arranged on the electromagnetic control valve 14 so as to reduce the impact on the water spraying frame during lifting, thereby achieving the purpose of protecting the water spraying frame and related accessories.
2. Cleaning:
injecting a clean water source into the water tank 1, opening the ball valve 3, and enabling the clean water source to enter the water pump 7 through the water tank water outlet pipeline 2, the ball valve 3 and the water pump water inlet pipeline 6; after the water spray frame 24 is lifted to a preset position, the water pump 7 is started, pressurized water enters the water spray frame 24 through the pressure regulating unloading valve 8 and the water spray frame water inlet hose 9 and is sprayed out by the spray head 25, a continuous fan shape is formed at the top of the tank body, and the surface of the tank body is washed, so that the purpose of cleaning the top of the tank body is realized.
The water outlet pressure of the water spraying frame can be regulated and set by regulating the pressure regulating unloading valve 8, when the pressure in the water outlet pipeline of the water pump exceeds a set value, the pressure regulating unloading valve 8 is automatically opened for unloading, and part or all of the pressure water flows back to the water inlet pipeline 6 of the water pump through the unloading pipeline 5, so that the purpose of protecting the water pump 7 and the water outlet pipeline thereof is achieved.
After the cleaning operation is completed, the water pump 7 is stopped, and the ball valve 3 is closed.
3. The water spraying frame descends:
the electromagnetic control valve 14 is operated to be in a descending state, compressed air from the chassis air storage tank 10 enters the small cavity of the air cylinder 21 through the electromagnetic valve air inlet pipeline 11, the electromagnetic valve air inlet joint 12, the electromagnetic valve air outlet joint 15, the electromagnetic valve air outlet pipeline 16 and the air cylinder joint 22, and the water spray frame 24 is descended to a preset position. The water spray frame is in a lowered state as shown in fig. 2.
The descending speed of the water spraying frame can be adjusted by adjusting the exhaust throttling silencer 13 arranged on the electromagnetic control valve 14 so as to reduce the impact on the water spraying frame during descending, thereby achieving the purpose of protecting the water spraying frame and related accessories.
And (5) finishing the tank top cleaning operation.
Although the invention has been described herein with reference to illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.
Claims (8)
1. The self-cleaning device for the water truck tank top is characterized by comprising a water tank (1), a water spraying frame (24), a water delivery system connected between the water tank and the water spraying frame and a water spraying frame lifting mechanism; the water spraying frame is provided with a plurality of spray heads (25); the water delivery system comprises water delivery pipelines (2, 6, 9 and 32), ball valves (3) arranged on the water delivery pipelines, a water pump (7) and a pressure-regulating unloading valve (8), and an unloading pipeline (5) for refluxing water flow to the water inlet end of the water pump through the pressure-regulating unloading valve; one end of the water delivery pipeline is connected with the water tank, and the other end of the water delivery pipeline is connected with the water inlet of the water spraying frame; the lifting mechanism of the water spraying frame comprises a pull rod (26), an air cylinder (21), a water spraying frame descending limit seat (31), a water spraying frame lifting limit seat (18), a chassis air storage tank (10), an electromagnetic control valve (14) and air pipelines (11 and 16); the chassis air storage tank is connected to the air cylinder through an air pipeline, the electromagnetic control valve is arranged on the air pipeline, the water spraying frame is movably connected to the water tank through a pull rod, a piston rod of the air cylinder is connected to the pull rod, the other end of the air cylinder is connected to the water tank, and the water spraying frame descending limit seat and the water spraying frame lifting limit seat are respectively arranged on two sides of the pull rod; the water spraying frame is an annular water spraying frame surrounding the upper part of the water tank; the water delivery pipeline comprises a water tank water outlet pipeline (2) connected with the ball valve and the water tank, a water pump water inlet pipeline (6) connected with the ball valve and the water pump, a water pump water outlet pipeline (32) connected with the water pump and the pressure regulating unloading valve, and a water spraying frame water inlet hose (9) connected with the water pump water outlet pipeline and the water spraying frame.
2. The self-cleaning device for the tank top of the waterwheel according to claim 1, wherein two ends of a water inlet hose of the water spraying frame are connected to a water outlet pipeline of the water pump and the water spraying frame through movable joints (17).
3. The waterwheel tank top self-cleaning device according to claim 1, wherein a filter (4) is arranged on a water conveying pipeline between the ball valve and the water pump.
4. The waterwheel tank top self-cleaning device according to claim 1, wherein a pull rod upper support (27) is arranged on the water spraying frame, a pull rod lower support (28) is arranged on the water tank, and two ends of the pull rod are respectively movably connected to the pull rod upper support and the pull rod lower support through cotter pins (30) and pin shafts (29).
5. The waterwheel tank top self-cleaning device according to claim 1, wherein the water tank is provided with a cylinder lower support (23), the pull rod is provided with a cylinder upper support (19), a piston rod of the cylinder is movably connected to the cylinder upper support, and the other end of the cylinder is movably connected to the cylinder lower support.
6. The self-cleaning device for the tank top of the waterwheel according to claim 1, wherein the lifting limit seats of the water spraying frame are arranged at the front ends of a group of pull rods corresponding to the left and right positions, and the rear ends of the other groups of pull rods are all provided with the descending limit seats of the water spraying frame.
7. The waterwheel tank top self-cleaning device according to claim 1, wherein the gas pipeline comprises a solenoid valve gas inlet pipeline (11) and a solenoid valve gas outlet pipeline (16), the two pipelines are respectively connected with the solenoid control valve (14) through a solenoid valve gas inlet connector (12) and a solenoid valve gas outlet connector (15), the chassis gas storage tank (10) is connected to the solenoid valve gas inlet pipeline (11), and the cylinder (21) is connected to the solenoid valve gas outlet pipeline (16).
8. The waterwheel tank top self-cleaning device according to claim 1, characterized in that an exhaust throttle silencer (13) is arranged at the air outlet of the electromagnetic control valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910784933.7A CN110409354B (en) | 2019-08-23 | 2019-08-23 | Water wheel tank top self-cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910784933.7A CN110409354B (en) | 2019-08-23 | 2019-08-23 | Water wheel tank top self-cleaning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110409354A CN110409354A (en) | 2019-11-05 |
| CN110409354B true CN110409354B (en) | 2024-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910784933.7A Active CN110409354B (en) | 2019-08-23 | 2019-08-23 | Water wheel tank top self-cleaning device |
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| CN (1) | CN110409354B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003340389A (en) * | 2002-05-31 | 2003-12-02 | Kit:Kk | Tank cleaning apparatus |
| JP2008246412A (en) * | 2007-03-30 | 2008-10-16 | Shin Meiwa Ind Co Ltd | High pressure washing vehicle |
| CN102233612A (en) * | 2010-05-07 | 2011-11-09 | 中集车辆（集团）有限公司 | Tank cleaning apparatus, and concrete mixing and transporting car |
| CN104737693A (en) * | 2015-03-31 | 2015-07-01 | 长沙伟诺机电有限公司 | Excrement-sucking tumbril |
| CN206216201U (en) * | 2016-11-09 | 2017-06-06 | 临工集团济南重机有限公司 | A kind of movable up-down spray water tank assembles device |
| CN209243654U (en) * | 2018-09-26 | 2019-08-13 | 广东美保环境技术有限公司 | A kind of sprinkling truck water pot |
| CN210561932U (en) * | 2019-08-23 | 2020-05-19 | 一汽(四川)专用汽车有限公司 | Self-cleaning device for tank top of waterwheel |
-
2019
- 2019-08-23 CN CN201910784933.7A patent/CN110409354B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003340389A (en) * | 2002-05-31 | 2003-12-02 | Kit:Kk | Tank cleaning apparatus |
| JP2008246412A (en) * | 2007-03-30 | 2008-10-16 | Shin Meiwa Ind Co Ltd | High pressure washing vehicle |
| CN102233612A (en) * | 2010-05-07 | 2011-11-09 | 中集车辆（集团）有限公司 | Tank cleaning apparatus, and concrete mixing and transporting car |
| CN104737693A (en) * | 2015-03-31 | 2015-07-01 | 长沙伟诺机电有限公司 | Excrement-sucking tumbril |
| CN206216201U (en) * | 2016-11-09 | 2017-06-06 | 临工集团济南重机有限公司 | A kind of movable up-down spray water tank assembles device |
| CN209243654U (en) * | 2018-09-26 | 2019-08-13 | 广东美保环境技术有限公司 | A kind of sprinkling truck water pot |
| CN210561932U (en) * | 2019-08-23 | 2020-05-19 | 一汽(四川)专用汽车有限公司 | Self-cleaning device for tank top of waterwheel |
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| Publication number | Publication date |
|---|---|
| CN110409354A (en) | 2019-11-05 |
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