CN218655913U - Pipeline inner wall cleaning system for motor train unit maintenance - Google Patents

Abstract

The utility model relates to a EMUs overhaul technical field, disclose a pipeline inner wall cleaning system for EMUs overhaul, include: the air source inlet, the air cylinder, the main switch, the main air pressure meter, the cleaning equipment, the pipeline, the brake pipeline and the detection device are sequentially connected. The utility model discloses store up the pressure with the wind regime through the reservoir, the reservoir other end blasts the pipeline through the branch pipeline that has the switch with a plurality of different diameters, sets up total barometer on the connecting pipeline of reservoir and pipeline simultaneously, satisfies the wind pressure requirement that the pipeline blasts, and guarantees the operation requirement that blasts adjacent pipeline simultaneously.

Description

Pipeline inner wall cleaning system for motor train unit maintenance

Technical Field

The utility model relates to a EMUs overhaul technical field, in particular to pipeline inner wall cleaning system for EMUs overhaul.

Background

In the maintenance process of five-level maintenance braking system of CRH3 type EMUs, beat the inside greasy dirt that exists of sponge clean discovery part pipeline through the pipeline of dismantling under the car, consider the influence of pipeline greasy dirt to valve class and sensor in the brake control unit, need pull down total tuber pipe to cut connecting line between cock B27, cut connecting line between cock B27 to reservoir air feed hose B23, waste discharge stores up connecting line between the reservoir, the reservoir B05 is connected to B02 module pipeline is stored up in the braking, the total tuber pipe is connected to F06 module pipeline, just can clean the inside greasy dirt of brake pipe.

When the motor train unit is newly built, the installation sequence of the pipelines causes the interference phenomenon during the disassembly, so that the pipelines are not easy to disassemble. At present, an external air source is generally adopted for blowing and washing, and the vehicle cannot be stopped temporarily. Need put through external wind regime with the tuber pipe for the stainless steel tuber pipe on the car, need ensure before blowing and sweep pipeline air outlet department and be in open circuit state, main line and local pipeline sweep time control in 5 minutes, sweep the in-process with the non-woven fabrics at the pipeline other end intercepting, until blow to the gas on the non-woven fabrics and do not have obvious impurity and greasy dirt, just can ensure that the pipeline inner wall does not have greasy dirt, water and other impurity. However, the cleaning method is easy to cause pipeline separation or crack, is easy to harm the health and safety of operators, and needs to be operated by multiple persons simultaneously, namely, one person can prepare to open and close the air source at any time when the external air source comes out, one person can check whether foreign matters are output by using non-woven fabrics at the air outlet at the tail end of the pipe, and the hose is held by the hand at the air inlet end of the pipe end to deeply enter the pipe wall for blowing and washing, so that the waste of manpower is caused. And the pipelines are different in thickness, and the thicker pipelines cannot ensure that all the inner walls of the pipelines flow from the wind source under the condition that the hoses are not replaced, so that the inner walls of the pipelines cannot be purged cleanly.

SUMMERY OF THE UTILITY MODEL

In order to solve the difficult operation of prior art when wasing EMUs pipeline inner wall, wash unclean and cause the problem that the manpower is extravagant, harm operation personnel safety, the utility model provides a pipeline inner wall cleaning system for EMUs overhauls.

The technical content of the utility model is as follows:

a pipeline inner wall cleaning system for EMUs overhaul includes:

the air source inlet, the air cylinder, the main switch, the main air pressure meter, the cleaning equipment, the pipeline, the brake pipeline and the detection device are sequentially connected.

Furthermore, the cleaning equipment comprises a switch, a pressure sensor, an air pressure meter and a time meter, wherein the switch, the pressure sensor, the air pressure meter and the time meter are sequentially connected, the switch is connected with the total air pressure meter, and the time meter is connected with a pipeline.

Furthermore, the switch, the pressure sensor, the wind pressure meter and the timetable all comprise multiple groups, the multiple groups of switches are respectively connected with the main wind pressure meter in series, and the multiple groups of timetables are respectively connected with the pipeline in series.

Further, the pipeline comprises a plurality of branch pipelines with different diameters.

Further, the pipeline comprises 8 branch pipelines, each branch pipeline is connected in parallel, and the branch pipelines are respectively connected with the brake pipeline in series.

Furthermore, the brake pipelines comprise a plurality of brake branch pipelines with different models, and the brake branch pipelines are connected with the branch pipelines with the corresponding diameters.

Furthermore, the braking branch pipeline comprises 8 groups which are connected with the 8 branch pipelines in a one-to-one correspondence manner.

The beneficial effects of the utility model include:

(1) The method comprises the following steps that an air source is used for storing pressure through an air cylinder, the other end of the air cylinder is used for purging a pipeline through a plurality of branch pipelines with different diameters and switches, and meanwhile, a total air pressure meter is arranged on a connecting pipeline between the air cylinder and the pipeline, so that the air pressure requirement of purging the pipeline is met, and the operation requirement of purging adjacent pipelines at the same time is ensured;

(2) All be provided with the switch on each pipeline of diameter difference, the wind pressure output of control corresponding pipeline and blast, simultaneously through threaded connection pipeline and brake pipe, play the liberation and hold up hose operation personnel's both hands, increased operation personnel's factor of safety.

Drawings

Fig. 1 is the utility model provides a pipeline inner wall cleaning system's that is used for EMUs to overhaul schematic diagram is formed to the structure that embodiment 1 provided.

Fig. 2 is the utility model provides a pipeline inner wall cleaning system's that is used for EMUs to overhaul schematic diagram is formed to the structure that embodiment 2 provided.

Wherein:

1-an air source inlet; 2-air reservoir; 3-a master switch; 4-total wind pressure gauge;

5-cleaning equipment;

501-a switch; 502-a pressure sensor; 503-barometer; 504-a schedule;

6-a pipeline;

601-branch pipeline;

7-brake line;

701-braking branch pipelines;

8-detection device.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, the present embodiment provides a pipeline inner wall cleaning system for overhauling a motor train unit, including:

wind regime entry 1, reservoir 2, master switch 3, total anemometer 4, cleaning equipment 5, pipeline 6, brake pipe way 7 and detection device 8, wind regime entry 1, reservoir 2, master switch 3, total anemometer 4, cleaning equipment 5, pipeline 6, brake pipe way 7 and detection device 8 connect gradually.

Before sweeping the brake pipe way, at first the check will be connected the quick connector of brake pipe way or transition joint have the shutoff, this embodiment adopts the articulate brake pipe way that has the shutoff, opens the shutoff earlier, observes wind regime and inside having or not have the foreign matter that obviously drops of pipeline, if have the foreign matter, clears away, then sweeps other equipment before connecting the brake pipe way, lasts more than 1 minute after, sweeps the brake pipe way after confirming no foreign matter and steam, avoids having the foreign matter to get into the brake pipe way.

After purging is finished, all plugs are closed, sealing is ensured, and foreign matter pollution is avoided.

In the blowing process, an operator is responsible for the opening and closing work of the external bottom surface air source valve, the opening process is slow, the air source pipeline is tightly held, and other safety accidents caused by the fact that the air source pipeline is separated are avoided.

And cleaning pipelines under the vehicle which are not disassembled, and sweeping the pipelines on the vehicle and under the vehicle by adopting an external air source (7-10 bar).

Example 2

With reference to fig. 2 and embodiment 1, this embodiment provides a pipeline inner wall cleaning system for repairing a motor train unit, further including: cleaning equipment 5 includes switch 501, pressure sensor 502, anemometer 503 and time table, switch 501, pressure sensor 502, anemometer 503 and time table 504 connect gradually, switch 501 is connected with total anemometer 4, time table 504 is connected with pipeline 6, and the pipeline of connecting between wind regime entry 1, reservoir 2, total switch 3, the total anemometer 4 is total pipeline.

Further, the switch 501, the pressure sensor 502, the wind pressure meter 503 and the timetable 504 include multiple sets, each set of the switch 501, the pressure sensor 502, the wind pressure meter 503 and the timetable 504 are sequentially connected and are arranged on the same pipeline, the multiple sets of the switch 501, the pressure sensor 502, the wind pressure meter 503 and the timetable 504 are connected in parallel, the multiple sets of the switch 501 are respectively connected with the total wind pressure meter 4 in series, and the multiple sets of the timetable 504 are respectively connected with the pipeline 6 in series.

Further, the pipeline 6 comprises a plurality of branch pipelines 601 with different diameters.

Further, the pipeline 6 comprises 8 branch pipelines 601, each branch pipeline 601 is connected in parallel, and the branch pipelines 601 are respectively connected in series with the brake pipeline 7.

Further, the brake pipeline 7 includes a plurality of brake branch pipelines 701 with different models, and the brake branch pipelines are connected with the branch pipelines 601 with corresponding diameters.

Further, the brake branch pipes 701 comprise 8 groups, and are connected with the 8 branch pipes 601 in a one-to-one correspondence manner.

The external wind regime of wind regime entry, wind regime entry connection reservoir other end connection master switch, total manometer rinse the pipeline inner wall through sweeping, during the use, open the reservoir and supply air, and the pressure that the pressure gauge can guarantee the wind pressure of reservoir and guarantee output wind pressure reaches the standard wind pressure of blasting. Open the master switch, observe whether total manometer numerical value reaches the standard of purging, the standard of purging is: the method comprises the steps of supplying 7-10bar air pressure to a main air pipe, supplying 5-6bar air pressure to a train pipe, then opening a switch on a first branch pipeline, observing an air pressure meter and a pressure sensor on the first branch pipeline, setting 5min timing on a time schedule, connecting the branch pipeline with a brake pipeline corresponding to the diameter, connecting the brake pipeline with a detection device corresponding to the diameter, arranging pull-out white filter cotton in the detection device, observing whether dirt exists on the white filter cotton, judging whether the brake pipeline is completely flushed, and conveniently observing and replacing the pull-out white filter cotton.

The purging processes of other branch pipelines are the same, 1-3 pipelines with the same pipe diameter and adjacent pipelines can be purged simultaneously, the same air pressure can be ensured, and the defects of low operating efficiency and large potential safety hazard of the original operation mode are overcome.

The branch pipeline is the hose, and the switch that sets up on each branch pipeline is the block valve, can control the output wind pressure to corresponding continuous brake piping, guarantees blasting to the pipeline inner wall, divides the pipeline through the nonrust steel pipe lug connection on screwed coupling nut and the vehicle, can prevent that the pipeline from deviating from or the problem of bursting apart, simultaneously, need not the handheld hose of operating personnel in addition, only one operating personnel is discharged at the pipeline air outlet and is observed detection device whether have the foreign matter discharge can.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (7)

1. The utility model provides a pipeline inner wall cleaning system for EMUs overhaul which characterized in that: the method comprises the following steps:

the air source inlet, the air cylinder, the main switch, the main air pressure meter, the cleaning equipment, the pipeline, the brake pipeline and the detection device are sequentially connected.

2. The pipeline inner wall cleaning system for overhauling of motor train unit according to claim 1, characterized in that: the cleaning equipment comprises a switch, a pressure sensor, an air pressure meter and a time meter, wherein the switch, the pressure sensor, the air pressure meter and the time meter are sequentially connected, the switch is connected with a total air pressure meter, and the time meter is connected with a pipeline.

3. The pipeline inner wall cleaning system for overhauling of the motor train unit as recited in claim 2, wherein: the switch, the pressure sensor, the wind pressure meter and the timetable all comprise multiple groups, the multiple groups of switches are respectively connected with the main wind pressure meter in series, and the multiple groups of timetables are respectively connected with the pipeline in series.

4. The pipeline inner wall cleaning system for overhauling of motor train unit according to claim 3, characterized in that: the pipeline comprises a plurality of branch pipelines with different diameters.

5. The pipeline inner wall cleaning system for overhauling of motor train unit according to claim 4, characterized in that: the pipeline comprises 8 branch pipelines, each branch pipeline is connected in parallel, and the branch pipelines are respectively connected with the brake pipeline in series.

6. The pipeline inner wall cleaning system for overhauling of motor train unit according to claim 5, characterized in that: the brake pipelines comprise a plurality of brake branch pipelines with different models and are connected with the branch pipelines with the diameters corresponding to the brake branch pipelines.

7. The pipeline inner wall cleaning system for motor train unit overhaul according to claim 6, characterized in that: the brake branch pipelines comprise 8 groups and are connected with 8 branch pipelines in a one-to-one correspondence mode.

Images