CN212405444U - Dry vacuum sewage suction device of sewage suction truck - Google Patents
Dry vacuum sewage suction device of sewage suction truck Download PDFInfo
- Publication number
- CN212405444U CN212405444U CN202020157826.XU CN202020157826U CN212405444U CN 212405444 U CN212405444 U CN 212405444U CN 202020157826 U CN202020157826 U CN 202020157826U CN 212405444 U CN212405444 U CN 212405444U
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- connecting pipe
- sewage suction
- way valve
- soil pick
- pipeline
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Abstract
The utility model relates to the soil pick-up car field is a dry-type vacuum soil pick-up device of soil pick-up car. The sewage suction device is characterized in that the sewage suction pipeline is connected with the sewage suction tank body through a hollow connecting seat, one end of the valve is connected with the sewage suction tank body through a pipeline and a pipeline fixing seat, the other end of the valve is connected with the four-way valve through an upper connecting pipe, a lower connecting pipe is connected below the four-way valve, the four-way valve is connected with the dry vacuum pump through a left connecting pipe, the four-way valve is connected with the water-vapor separation device through a right connecting pipe, and the other end of the water-vapor separation device is connected with the. By adopting the technical scheme, the dry vacuum pump cavity is free of oil, redundant oil filtering equipment such as an oil-gas separator and the like is not required, a large amount of space and cost are saved, and meanwhile, the rotor in the dry vacuum pump is free of friction parts and does not need lubrication, and the oil injection phenomenon of the rotary vane pump cannot occur.
Description
Technical Field
The utility model relates to the soil pick-up car field is a dry-type vacuum soil pick-up device of soil pick-up car.
Background
At present, industrial pumps such as rotary vane vacuum pumps and the like adopted by domestic sewage suction trucks generate vacuum, the method has low negative pressure, overlong suction time and low working efficiency in the operation process, and when large hard objects such as stones or bricks are mixed in liquid substances to be sucked, a sewage suction pipe on the sewage suction truck is likely to be blocked, so that the use of the sewage suction truck is influenced. An oil-gas separator is required to be arranged, so that a large space is occupied, and the subsequent maintenance work is also troublesome.
Disclosure of Invention
The utility model aims at providing a dry-type vacuum soil pick-up device of soil pick-up car.
The utility model discloses a realize like this: the utility model provides a dry-type vacuum soil pick-up device of soil pick-up car, characterized by soil pick-up pipeline pass through hollow connecting seat and soil pick-up jar body coupling, pipeline and pipeline fixing base and soil pick-up jar body coupling are passed through to valve one end, the valve other end is connected with the four-way valve through last connecting pipe, the four-way valve is connected with down the connecting pipe under the door, the four-way valve passes through left connecting pipe and dry vacuum pump connection, the four-way valve passes through right connecting pipe and is connected with steam separation device, the steam separation device other end passes through pipeline and dry vacuum pump connection.
And a pressure gauge is arranged on the upper connecting pipe.
By adopting the technical scheme, the dry vacuum pump cavity is free of oil, redundant oil filtering equipment such as an oil-gas separator and the like is not required, a large amount of space and cost are saved, and meanwhile, the rotor in the dry vacuum pump is free of friction parts, does not need lubrication, and does not have the oil injection phenomenon of a rotary vane pump.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a sewage suction pipeline; 2. a sewage suction tank body; 3. a valve; 4. an upper connecting pipe; 5. a left connecting pipe; 6. a lower connecting pipe; 7. a four-way valve; 8. a right connecting pipe; 9. a water-vapor separation device; 10. a dry vacuum pump; 11. and a pressure gauge.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
In fig. 1, the sewage suction pipeline 1 is connected with the sewage suction tank body 2 through a hollow connecting seat, one end of the valve 3 is connected with the sewage suction tank body 2 through a pipeline and a pipeline fixing seat, the other end of the valve 3 is connected with the four-way valve 7 through an upper connecting pipe 4, a lower connecting pipe 6 is connected below the four-way valve 7, the four-way valve 7 is connected with the dry vacuum pump 10 through a left connecting pipe 5, the four-way valve 7 is connected with the water-vapor separation device 9 through a right connecting pipe 8, and the other end of the water-vapor separation device 9 is connected with the dry vacuum pump 10 through a pipeline.
And a pressure gauge 11 is arranged on the upper connecting pipe 4.
The dry vacuum pump 10 on be provided with shaft coupling, air inlet and gas outlet, wherein, the shaft coupling links to each other with driving system, is provided with on the pipeline that dry vacuum pump 10 and bleed-off pipe are connected four-way valve 7, two ports of four-way valve 7 link to each other with dry vacuum pump 10's air inlet and gas outlet respectively, be provided with valve 3 between four-way valve 7 and the bleed-off pipe, be provided with steam separator 9 between four-way valve 7 and the dry vacuum pump 10, the concrete port of steam separator 9 is connected and is: an air inlet of a dry vacuum pump 10 is connected with a first port of a water-vapor separation device 9 through a pipeline, a second port of the water-vapor separation device 9 is connected with a port of a four-way valve 7 through a right connecting pipe 8, a second port of the four-way valve 7 is connected with a first port of a valve 3 through an upper connecting pipe 4, a third port of the four-way valve 7 is connected with an air outlet of the dry vacuum pump 10 through a left connecting pipe 5, a fourth port of the four-way valve 7 is communicated with the atmosphere through a lower connecting pipe 6, a second port of the valve 3 is connected with the other end of an air exhaust pipeline, a pressure gauge 11 is arranged on the upper connecting pipe 4, the pressure in the sewage suction tank body 2 is measured, the pressure value in the sewage suction tank body is monitored in real time, the four-way valve 7 mainly serves to change a working air path, so that the sewage suction tank body 2 is vacuumized, And (5) sewage discharge.
When the sewage suction truck performs suction operation, the sewage suction pipeline 1 is inserted into sewage as deep as possible, and the pipe end is always below the liquid level in the operation process. And pushing the handle of the four-way valve 7 to be vertical to the ground. The transmission is put into neutral, then the engine is started, the clutch is disengaged, the power takeoff switch is pulled back, i.e. the power takeoff is put into gear, and the dry vacuum pump 10 starts to operate. When the liquid level in the sewage suction tank body 2 reaches the middle part of the observation mirror, the sewage suction pipeline 1 is quickly pulled away from the ground or the four-way valve 7 is closed. The power takeoff switch is pushed forward to remove the gear, and the dry vacuum pump 10 stops rotating.
Claims (2)
1. The utility model provides a dry-type vacuum soil pick-up device of soil pick-up car, characterized by soil pick-up pipeline passes through hollow connecting seat and is connected with the soil pick-up jar body, and pipeline fixing base and the soil pick-up jar body coupling are passed through to valve one end, the valve other end is connected with the cross valve through last connecting pipe, the cross valve is connected with down the connecting pipe under the door, the cross valve passes through left connecting pipe and dry vacuum pump connection, the cross valve passes through right connecting pipe and is connected with water vapor separation device, the water vapor separation device other end passes through the pipeline and is connected with.
2. The dry vacuum cleaner of claim 1, wherein the upper connection pipe is provided with a pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020157826.XU CN212405444U (en) | 2020-02-10 | 2020-02-10 | Dry vacuum sewage suction device of sewage suction truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020157826.XU CN212405444U (en) | 2020-02-10 | 2020-02-10 | Dry vacuum sewage suction device of sewage suction truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212405444U true CN212405444U (en) | 2021-01-26 |
Family
ID=74400513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020157826.XU Active CN212405444U (en) | 2020-02-10 | 2020-02-10 | Dry vacuum sewage suction device of sewage suction truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212405444U (en) |
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2020
- 2020-02-10 CN CN202020157826.XU patent/CN212405444U/en active Active
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