CN201859043U - Apparatus for cleaning and sealing detection of brake pipelines of a track vehicle - Google Patents

Apparatus for cleaning and sealing detection of brake pipelines of a track vehicle Download PDF

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Publication number
CN201859043U
CN201859043U CN2010205347487U CN201020534748U CN201859043U CN 201859043 U CN201859043 U CN 201859043U CN 2010205347487 U CN2010205347487 U CN 2010205347487U CN 201020534748 U CN201020534748 U CN 201020534748U CN 201859043 U CN201859043 U CN 201859043U
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CN
China
Prior art keywords
pipeline
brake piping
air
sealing detection
air inlet
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Expired - Lifetime
Application number
CN2010205347487U
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Chinese (zh)
Inventor
张永强
魏京利
刘英臣
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CRRC Qingdao Sifang Co Ltd
Original Assignee
CSR Qingdao Sifang Locomotive and Rolling Stock Co Ltd
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Priority to CN2010205347487U priority Critical patent/CN201859043U/en
Application granted granted Critical
Publication of CN201859043U publication Critical patent/CN201859043U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to an apparatus for cleaning and sealing detection of brake pipelines of a track vehicle, an inlet end and an outlet end of each brake pipeline are respectively communicated with an air intake pipeline and an air exhaust pipeline, each air intake pipeline is provided with an air intake electromagnetic valve, each air exhaust pipeline is connected with a plugging electromagnetic valve, each air exhaust pipeline is provided with a pressure sensor for detecting air pressure of the pipeline, the air intake electromagnetic valve, the plugging electromagnetic valve and the pressure sensor are all connected with a micro computer. The micro computer controls the switching of the air intake electromagnetic valve and the air exhaust electromagnetic valve according to detected air pressure of the pipeline, so as to fulfill air intake, air exhaust and pressure maintaining processes of the brake pipeline; the pipeline cleaning device and the sealing detection device are integrated, it is possible to fulfill cleaning and sealing detection of the pipeline for one time, operation is simple, components are few, and cost is low. The apparatus is full-automatically controlled by the micro computer, work intensity of workers is reduced, and it is possible to ensure pipeline cleaning and quality as well as accuracy of sealing property detection.

Description

The device of cleaning of rail vehicle brake piping and sealing detection
Technical field
The utility model relates to a kind of cleaning device of pipeline and the device that line seal detects, and is particularly a kind of at the rail vehicle brake piping, and can disposablely finish the device that pipeline cleans and line seal detects, and belongs to rail vehicle manufacturing technology field.
Background technology
Present rail vehicle all is to lean on air damping, the air pipe line that is used for car brakeing is being run through in the bottom of vehicle, these air pipe lines are when carrying out handling early stage, impurity big in the pipeline and dirt removal have been fallen, but can in pipeline, accumulate impurity such as some bits ends in the process of these pipelines on being assembled into vehicle again, for guaranteeing the vehicle braked performance, the air pipe line of vehicle must seal, cleaning, it is the key that guarantees the braking equipment safe operation and guarantee the rail vehicle braking maneuver, particularly the travelling speed along with rail vehicle is more and more higher, the speed per hour of motor train unit is also had higher requirement to the cleaning and the sealing property of brake piping to reach per hour 380 kilometers at present.
The brake piping that motor train unit is used, in the pipeline process, carried out chemical cleaning, removed a large amount of impurity, but chemicals wherein can cause certain corrosion and damage to the inwall of pipeline, it can only be used for the early-stage preparations process that the car brakeing air pipe line is produced.In order to guarantee the cleaning of brake piping inwall, in the pipeline installation process, must carry out three times that the control equipment installation is preceding, braking equipment is installed behind the back and the car that falls and clean, with the cleaning of assurance pipeline inner wall.Brake piping does not leak for guaranteeing, also must carry out corresponding line seal performance detection after three cleanings, charges into pressure-air in pipeline, whether has gas leak phenomenon with suds in each interface check of pipeline.
Present motor train unit brake pipe kind and cleaning and sealing detection are separately carried out.When pipeline cleans, produce pressure-air, enter the motor train unit brake piping by filtrator and pressure meter device with air compressor machine, connect cleaning machine at the brake piping other end, open and close by control cleaning machine solenoid valve, produce the high-pressure air pressure ripple, pipeline inner wall is cleaned.When line seal detects, make pressure-air with air compressor machine, enter the motor train unit brake piping by filtrator and tensimeter, the brake piping other end is sealed with frock, when high-pressure air pressure is stabilized in when requiring pressure, initiation pressure detects, hand filling record sheet after finishing.
There are following problem in above-mentioned cleaning and hermetization testing method: one is to use equipment many, needs air compressor machine, filtrator, pressure meter device, cleaning machine etc., and the equipment transportation is cumbersome when pipeline cleaning and sealing detection; The 2nd, pipeline cleans and sealing detection can not disposablely be finished, and intermediate demand emptying pressure-air carries out sealing detection after the installation frock again; The 3rd, test parameters (as cleaning pressure, sealing detection time, pipeline internal pressure Data Control etc.) needs manual control, and the data human factor is big, and precision is low.
Summary of the invention
The utility model fundamental purpose is to address the above problem and is not enough, provides a kind of simple to operate, and equipment is few, and cost is low, can disposablely finish the rail vehicle brake piping cleaning of pipeline cleaning and sealing detection and the device of sealing detection.
For achieving the above object, the device of described rail vehicle brake piping cleaning and sealing detection, include the air inlet pipeline and the outlet pipe that are communicated with respectively with the inlet end and the endpiece of every brake piping, one air inlet solenoid valve is set on every air inlet pipeline, every outlet pipe all is connected with the shutoff solenoid valve, one pressure transducer that is used for the signal piping inner air pressure is set on every outlet pipe, described air inlet solenoid valve, shutoff solenoid valve and pressure transducer all are connected with micro computer by data line, and the inlet end of described air inlet pipeline is connected with air compressor machine.
Between described air inlet pipeline and described air compressor machine, an air strainer is set.
It is a total air escape pipe road that described many outlet pipes gather, and described shutoff solenoid valve only is arranged on the described total air escape pipe road.
Adopt rapid-acting coupling to be connected between described air inlet pipeline, outlet pipe and the described brake piping.
Described micro computer is connected with a printer that is used for the output pressure curve.
Connect an exhaust box in the exit of described shutoff solenoid valve.
Comprise a counter that is used to control described air inlet solenoid valve and shutoff electromagnetic valve switch number of times in the described micro computer.
Be provided with the alarm unit of sealing detection in the described micro computer.
All devices in this device all is fixed on the movable trolleys, is used for the rapid-acting coupling that is connected with described brake piping in that the endpiece and the inlet end of every outlet pipe of every air inlet pipeline are fixedly connected.
In sum, the device of rail vehicle brake piping cleaning described in the utility model and sealing detection, compared with prior art, its advantage is:
1, in the brake piping gas replenishment process, high-pressure air source constantly is blown into pressure-air in pipeline, the impact air-flow that airflow forms back and forth in pipeline stirs, utilize because pressure changes the pressure wave that produces pipeline inner wall is carried out flush clean, and the ultra high rate airflow that moment produces when utilizing exhaust takes away the impurity in the pipeline, thereby reaches the purpose of desirable cleaning brake piping.
2, whole appliance arrangement is simplified, and only needs to use an air compressor machine and a cover to clean automatically and sealing detection equipment can be finished the cleaning and the sealing detection operation of motor train unit brake piping, and the transportation of equipment is also comparatively convenient, and cost is low.
3, easy to operate, only need be before cleaning the brake piping of air inlet pipeline and outlet pipe and motor train unit be connected, the centre no longer needs any frock of dismounting, can once finish pipeline cleaning and sealing detection operation.
4, equipment operation is by the micro computer Automatic Control, avoid manually producing maloperation, pressure in the pipeline is detected by pressure transducer, more accurate than manual observation tensimeter, simultaneously, also reduce working strength of workers, reduced artificial factor in the entire job, can guarantee the degree of accuracy that pipeline cleaning and quality and sealing property detect.
5, micro computer is connected with printer, and not only can export wash number and pressure and change, and can the time dependent pressure curve of output pressure, make the output result in detail concrete more, make things convenient for post analysis, reduce the human factor of test simultaneously.
6, on the total air escape pipe road, exhaust box is installed, can reduces the noise that pressure height, fireballing airflow are sent when discharging, make it satisfy national requirements for environmental protection.
Description of drawings
Fig. 1 the utility model structural representation.
As shown in Figure 1, brake piping 1, air inlet pipeline 2, outlet pipe 3, air inlet solenoid valve 4, shutoff solenoid valve 5, pressure transducer 6, data line 7, micro computer 8, air compressor machine 9, air strainer 10, total air escape pipe road 11, printer 12, exhaust box 13, divider 14.
Embodiment
Following structure accompanying drawing and embodiment describe in further detail the utility model:
As shown in Figure 1, running through the many brake pipings 1 that are used for car brakeing in the bottom of rail vehicle, present embodiment is that example is elaborated with four brake pipings 1.
The rail vehicle brake piping cleans and package seal checker, comprise an air compressor machine 9, be used for providing pressure-air to air inlet pipeline 2, between air compressor machine 9 and air inlet pipeline 2, be connected an air strainer 10 again, be used for filtering the impurity that is blown into air inlet pipeline 2, guarantee that pipeline in cleaning and sealing detection process, is not polluted once more by external air, thereby guarantees that the cleanliness in the brake piping 1 satisfy the designing requirement of rail vehicle.
Be complementary with brake piping 1, be provided with four air inlet pipelines 2 in the present embodiment and 3, four air inlet pipelines 2 of four outlet pipes are connected with the inlet end of four brake pipings 1 respectively, four outlet pipes 3 are connected with the endpiece of four brake pipings 3 respectively.For easy accessibility when the operation, the outlet of air inlet pipeline 2, the inlet of outlet pipe 3, and the two-port of brake piping 1 all are fixedly connected with the rapid-acting coupling (not shown) that cooperatively interacts and use.Before the clean-out operation that carries out brake piping 1, at first air inlet pipeline 2 is docked with brake piping 1, again outlet pipe 3 is docked with brake piping 2, thereby brake piping 1 and air inlet pipeline 2 and outlet pipe 3 are connected.
On every air inlet pipeline 2, be provided with and be used to control the air inlet solenoid valve 4 that air inlet pipeline 2 is communicated with or disconnects, every outlet pipe 3 is provided with the pressure transducer 6 that is used to detect air pipe 3 inner air pressures, be provided with on the every outlet pipe 3 and be used to control the shutoff solenoid valve 5 that outlet pipe 3 is communicated with or disconnects, but in order to simplify the number of devices of whole device, in the present embodiment, four outlet pipes 3 are merged into a total air escape pipe road 11, and 5 of shutoff solenoid valves are arranged on the total air escape pipe road 11.
If 1 less than four tunnel of the brake piping on the rail vehicle can only use part pipeline wherein to get final product.
Because outwards exhaust again when reaching exhaust pressure value that the air in the brake piping 1 is the pressure in pipeline, in order to reach desirable cleaning performance, the exhaust pressure value of setting is higher, so open the moment that outlet pipe 3 is connected at shutoff solenoid valve 5, the flow velocity of air is very fast, when discharging from the gas outlet, can produce very big noise, in order to reduce noise, exhaust box 13 is installed on total air escape pipe road 11, guarantee that the noise of exhaust meets the environmental requirement of country.
If motor train unit brake piping 1 is one road air intake, during the multichannel air draft, air draft wind can be merged into one the tunnel by divider 14, return again in the corresponding outlet pipe 3.
One micro computer 8 is set in this device, four air inlet solenoid valves 4, a shutoff solenoid valve 5 and four pressure transducers 6 all are connected with micro computer 8 by data line 7, by the air pressure in micro computer 8 each brake piping 3 of unified monitoring, by be stored in advance charge pressure value in the micro computer 8, exhaust pressure value, and the dwell pressure value compare, and then control the switching of each air inlet solenoid valve 4 and shutoff solenoid valve 5, thereby realize the process of brake piping 3 inflations and exhaust.
Micro computer 8 is connected with a printer 12, and not only can export wash number and pressure and change, and can the time dependent pressure curve of output pressure, make the output result in detail concrete more, make things convenient for post analysis, reduce the human factor of test simultaneously.
Comprise a counter in the micro computer 8, be used to control the switch number of times of air inlet solenoid valve 4 and shutoff solenoid valve 5, and then the wash number of control brake pipeline 1.
In micro computer 8, can also comprise an alarm unit, when when brake piping 3 is carried out sealing detection, if in official hour, pressure in the brake piping 3 changes the scope that has exceeded regulation, then micro computer 8 judges that automatically brake piping 1 has leakage point, and sending alerting signal simultaneously, operating personnel just can search and repair the leakage point of tested pipeline.
All devices in this device can be unified to be arranged on the travelling car (not shown), on dolly, reserve the interface of unified air inlet pipeline 2 and outlet pipe 3, in the time of need cleaning with sealing detection to brake piping 1, only need travelling car to get final product, transportation equipment be very convenient.
Step with regard to pipeline cleaning of the present utility model and sealing detection is elaborated as follows below:
(1) rapid-acting coupling of every brake piping 1 porch with corresponding air inlet pipeline 2 exits is connected, the rapid-acting coupling of every brake piping 1 exit with the porch of corresponding outlet pipe 3 is connected, thereby corresponding air inlet pipeline 2, brake piping 1 and outlet pipe 3 are connected, form complete air circulation duct.
(2) at first carry out the clean-out operation of brake piping.
Close by micro computer 8 control shutoff solenoid valves 5, thereby cut off total air escape pipe road 11, open by four air inlet solenoid valves of micro computer 8 controls 4 simultaneously, connect air inlet pipeline 2 and brake piping 1, produce pressure-air by air compressor machine 9 and enter four brake pipings 1 respectively, brake piping 1 is inflated through four air inlet pipelines 2.
(3) in gas replenishment process, pressure transducer 6 is transferred to micro computer 8 with the air pressure numerical value in the detected brake piping 1 at any time, micro computer 8 compares detected force value and predefined exhaust pressure value at any time, the exhaust pressure value that different vehicles is set can be different, for the motor train unit of the speed per hour 200km that generally uses now, can design exhaust pressure value is 600kPa.When the pressure in the micro computer 8 affirmation brake pipings 1 reaches the exhaust pressure value of regulation, send electric signal to air inlet solenoid valve 4 and shutoff solenoid valve 5, close four air inlet solenoid valves 4, open shutoff solenoid valve 5 simultaneously, the pressure-air in the pipeline is entered atmosphere.
In gas replenishment process, high-pressure air source constantly is blown into pressure-air in brake piping 1, airflow is under inertia effect, in brake piping 1, form impact air-flow back and forth continually, stir, reach certain pressure after, again the air in the brake piping 1 is discharged suddenly, utilize because the pressure wave that the pressure variation produces in inflation and the exhaust process carries out flush clean to brake piping 1 inwall, thereby reach the effect of detergent line inwall.
In this process, the force value of micro computer 8 each pipeline of real time record, printer 12 also can be exported the pressure history in each brake piping 1 continuously.
(4) pressure transducer 6 still is transferred to micro computer 8 with the air pressure numerical value in the detected brake piping 1 at any time, micro computer 8 compares detected force value and predefined charge pressure value at any time, when the air pressure in the micro computer 8 affirmation brake pipings 1 has been reduced to the charge pressure value, send electric signal to air inlet solenoid valve 4 and shutoff solenoid valve 5 once more, close shutoff solenoid valve 5 and open four air inlet solenoid valves 4 simultaneously, inflation in brake piping 1 once more enters next clean cycle.
In this process, the force value of micro computer 8 each pipeline of real time record, printer 12 also can be exported the pressure history in each brake piping 1 continuously.
(5) exhaust once is difficult to the impurity full scale clearance in the brake piping 1 clean, the process that needs above-mentioned repeatedly inflation and exhaust, so be provided with counting module in the micro computer 8, be used to control the switch number of times of air inlet solenoid valve 4 and shutoff solenoid valve 5, thereby the wash number of control brake pipeline 1, when after finishing whole wash number under the control of micro computer 8, whole device has also just been finished whole clean-out operation.
(6) after whole clean-out operation are finished, do not need to change any equipment, only micro computer 8 need be switched to the sealing detection pattern, can begin sealing detection to brake piping 1.
(7) micro computer 8 control shutoff solenoid valves 5 cut out, four air inlet solenoid valves 4 are opened, to brake piping 1 inflation, pressure transducer 6 is transferred to micro computer 8 with the force value of air in the detected pipeline at any time, micro computer 8 compares the force value that receives and pre-set dwell pressure value, and general dwell pressure value can be set at 880kPa.
When the pressure in the micro computer 8 affirmation brake pipings 1 reached the dwell pressure value, micro computer 8 all air inlet solenoid valves 4 of control cut out, and stop inflation in brake piping 1, and the state that this moment, brake piping 1 formation sealed enters the sealing detection stage.
After reaching the stipulated time, the pressure in the brake piping 1 still within the limits prescribed, then micro computer 8 automatically prompting detect successfully, otherwise, micro computer 8 can be sent alerting signal automatically, supervise operating personnel to find out the leakage point of brake piping 1 and repair.
In this process, the force value of micro computer 8 each pipeline of real time record, printer 12 also can be exported the pressure history in each brake piping 1 continuously.
As mentioned above, given in conjunction with the accompanying drawings and embodiments scheme content can derive the similar techniques scheme.In every case be the content that does not break away from technical solutions of the utility model, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical solutions of the utility model according to technical spirit of the present utility model.

Claims (9)

1. a rail vehicle brake piping cleans and the device of sealing detection, it is characterized in that: include the air inlet pipeline (2) and the outlet pipe (3) that are communicated with respectively with the inlet end and the endpiece of every brake piping (1), one air inlet solenoid valve (4) is set on every air inlet pipeline (2), every outlet pipe (3) all is connected with shutoff solenoid valve (5), one pressure transducer (6) that is used for the signal piping inner air pressure is set on every outlet pipe (3), described air inlet solenoid valve (4), shutoff solenoid valve (5) and pressure transducer (6) all are connected with micro computer (8) by data line (7), and the inlet end of described air inlet pipeline (2) is connected with air compressor machine (9).
2. the device of rail vehicle brake piping cleaning according to claim 1 and sealing detection is characterized in that: between described air inlet pipeline (2) and described air compressor machine (9) air strainer (10) is set.
3. the device of rail vehicle brake piping cleaning according to claim 1 and sealing detection, it is characterized in that: it is a total air escape pipe road (11) that described many outlet pipes (3) gather, and described shutoff solenoid valve (5) only is arranged on the described total air escape pipe road (11).
4. rail vehicle brake piping according to claim 1 cleans and the device of sealing detection, it is characterized in that: employing rapid-acting coupling is connected between described air inlet pipeline (2), outlet pipe (3) and the described brake piping (1).
5. the device of rail vehicle brake piping cleaning according to claim 1 and sealing detection, it is characterized in that: described micro computer (8) is connected with a printer (12) that is used for the output pressure curve.
6. the device of rail vehicle brake piping cleaning according to claim 1 and sealing detection is characterized in that: connect an exhaust box (13) in the exit of described shutoff solenoid valve (5).
7. the device of rail vehicle brake piping cleaning according to claim 1 and sealing detection is characterized in that: comprise a counter that is used to control described air inlet solenoid valve (4) and shutoff solenoid valve (5) switch number of times in the described micro computer (8).
8. the device of rail vehicle brake piping cleaning according to claim 1 and sealing detection is characterized in that: the alarm unit that is provided with sealing detection in the described micro computer (8).
9. clean according to each described rail vehicle brake piping of claim 1 to 8 and the device of sealing detection, it is characterized in that: all devices in this device all is fixed on the movable trolleys, is used for the rapid-acting coupling that is connected with described brake piping (1) in that the endpiece and the inlet end of every outlet pipe (3) of every air inlet pipeline (2) are fixedly connected.
CN2010205347487U 2010-09-19 2010-09-19 Apparatus for cleaning and sealing detection of brake pipelines of a track vehicle Expired - Lifetime CN201859043U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102401725A (en) * 2010-09-19 2012-04-04 南车青岛四方机车车辆股份有限公司 Method and device for washing and seal detecting of railway vehicle braking lines
CN102527679A (en) * 2011-12-08 2012-07-04 常州市龙豪车辆配件厂 Cleaning device for power-assisted steering pipe of automobile
CN102865974A (en) * 2012-09-14 2013-01-09 北京二七轨道交通装备有限责任公司 Leakage detection method for air pipelines of large-sized road maintenance machine product
CN104089748A (en) * 2014-07-31 2014-10-08 上海远梓电子科技有限公司 Constant-pressure detection testing machine for air pressure of braking hose
CN111912584A (en) * 2019-06-25 2020-11-10 中车大同电力机车有限公司 Air tightness detection device for electric locomotive air supply system
CN112378602A (en) * 2020-11-30 2021-02-19 中国第一汽车股份有限公司 Pure electric vehicle air conditioner pipeline sub-assembly pipeline detection equipment and control method thereof
CN113546886A (en) * 2021-06-23 2021-10-26 嘉兴福可吉精密机械有限公司 Device and method for detecting sealing performance of hub bearing unit
CN113649365A (en) * 2021-07-31 2021-11-16 南京中车浦镇城轨车辆有限责任公司 Cleaning device and cleaning system suitable for whole vehicle braking system of railway vehicle

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102401725A (en) * 2010-09-19 2012-04-04 南车青岛四方机车车辆股份有限公司 Method and device for washing and seal detecting of railway vehicle braking lines
CN102401725B (en) * 2010-09-19 2014-01-01 南车青岛四方机车车辆股份有限公司 Method and device for washing and seal detecting of railway vehicle braking lines
CN102527679A (en) * 2011-12-08 2012-07-04 常州市龙豪车辆配件厂 Cleaning device for power-assisted steering pipe of automobile
CN102865974A (en) * 2012-09-14 2013-01-09 北京二七轨道交通装备有限责任公司 Leakage detection method for air pipelines of large-sized road maintenance machine product
CN104089748A (en) * 2014-07-31 2014-10-08 上海远梓电子科技有限公司 Constant-pressure detection testing machine for air pressure of braking hose
CN111912584A (en) * 2019-06-25 2020-11-10 中车大同电力机车有限公司 Air tightness detection device for electric locomotive air supply system
CN112378602A (en) * 2020-11-30 2021-02-19 中国第一汽车股份有限公司 Pure electric vehicle air conditioner pipeline sub-assembly pipeline detection equipment and control method thereof
CN113546886A (en) * 2021-06-23 2021-10-26 嘉兴福可吉精密机械有限公司 Device and method for detecting sealing performance of hub bearing unit
CN113649365A (en) * 2021-07-31 2021-11-16 南京中车浦镇城轨车辆有限责任公司 Cleaning device and cleaning system suitable for whole vehicle braking system of railway vehicle

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CP01 Change in the name or title of a patent holder

Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88

Patentee after: CRRC QINGDAO SIFANG CO., LTD.

Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88

Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd.

CX01 Expiry of patent term

Granted publication date: 20110608

CX01 Expiry of patent term