CN106768704A - For the portable air-tightness detection device and method of motor train unit train maintenance - Google Patents
For the portable air-tightness detection device and method of motor train unit train maintenance Download PDFInfo
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- CN106768704A CN106768704A CN201611196696.5A CN201611196696A CN106768704A CN 106768704 A CN106768704 A CN 106768704A CN 201611196696 A CN201611196696 A CN 201611196696A CN 106768704 A CN106768704 A CN 106768704A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
Portable air-tightness detection device and method the present invention relates to be used for motor train unit train maintenance.It includes ducting module, control module, sealing device and mobile device, and ducting module includes air inlet ball valve, manual modulation valve, electric ratio adjusting valve, the first magnetic valve, the second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve, the 5th magnetic valve, the 6th magnetic valve, first pressure sensor and second pressure sensor；Control module includes power supply module, digital wash, touch display screen and controller.It can automatically control completion inflation, voltage stabilizing, pressurize, exhaust process according to setting, save manpower, improve operating efficiency；The detection work under four kinds of different situations is completed secondly by two interfaces and its ducting module design, and the generation of gas leak phenomenon is prevented by sealing device；The fast transfer of whole detection means is realized finally by mobile device, mobility, flexibility are strong；Whole detection means is adapted to various occasions, and adaptability is high, applied widely.
Description
Technical field
Portable air-tightness detection device and method the present invention relates to be used for motor train unit train maintenance.
Background technology
In recent years, high-speed train quickly grows, and domestic train of high-speed motor train unit is throughout each big and medium-sized cities.In order to protect
The maintenance for demonstrate,proving motor train unit train needs, domestic successively to have built up the motor-cars such as Shanghai, Beijing, Guangzhou, Wuhan, Shenyang, Chengdu, Xi'an
Section, many service techniques still continue to use the old method of maintenance way-train after each MTU depot is newly-built, especially in motor-car vehicle and zero
Part air-leakage test aspect, pressurize tests many or that air-tightness is carried out with simple mechanical compression gauge outfit, artificial meter
When and record test result and record；Read data and easily cause error, by manual time-keeping record data, automatization level is not
It is high；In addition, existing detection technique appropriate is not high, has some limitations.
The content of the invention
Present invention seek to address that above mentioned problem, there is provided for the portable air-tightness detection device of motor train unit train maintenance
And method, it can automatically control completion inflation, voltage stabilizing, pressurize, exhaust process according to setting, and can preset the test in each stage
Time, the gas pressure in real-time monitoring test specimen is automatically performed detection, judges testing result, preserves detection data, forms printing
Form, saves manpower, improves operating efficiency, it is to avoid because of artificial read-record error or erroneous effects test result；Secondly by
Two interfaces and its ducting module design complete the detection work under four kinds of different situations, and ensure to detect by sealing device
Reduce the generation of interface connection gas leak phenomenon in journey as far as possible；The fast of whole detection means is realized finally by mobile device
Speed transfer, mobility, flexibility are strong；Whole detection means is adapted to various occasions, and adaptability is high；The technical scheme that it is used is such as
Under：
For the portable air-tightness detection device of motor train unit train maintenance, including
Ducting module, it includes air inlet ball valve, manual modulation valve, electric ratio adjusting valve, the first magnetic valve, the second electromagnetism
Valve, the 3rd magnetic valve, the 4th magnetic valve, the 5th magnetic valve for being vented, the 6th magnetic valve for being vented, first pressure biography
Sensor and second pressure sensor, the first interface are in parallel with the 5th magnetic valve, and first interface and the 5th magnetic valve
First end of the one end with the 4th magnetic valve is connected；The first pressure sensor is arranged at first interface and the 5th magnetic valve connects
On logical pipeline, the second interface is in parallel with the 6th magnetic valve, and second interface and the 6th magnetic valve first end with
Second end of four magnetic valves is connected；The second pressure sensor is arranged at the pipeline that second interface is connected with the 6th magnetic valve
On, the second end of the 3rd magnetic valve is connected with the second end of the 4th magnetic valve, its first end and the first of the second magnetic valve
End is connected, and the second end of second magnetic valve is connected with the first end at the second end of the first magnetic valve and the 4th magnetic valve,
The first end of first magnetic valve is connected with the second end of manual modulation valve, the second end of the electric ratio adjusting valve and the
The first end of two magnetic valves is connected with the first end of the 3rd magnetic valve, the first end of the electric ratio adjusting valve and manually tune
The first end for saving valve is connected with air inlet ball valve；
Control module, it includes power supply module, is examined for display first pressure sensor in real time and second pressure sensor
The digital wash of the pressure value for measuring, touch display screen and for controlling the controller in whole detection process, the confession
Charging device is provided with electric module, the touch display screen is connected with controller；
For preventing the sealing device of ducting module and Awaiting Overhaul interface gas leakage and shifting for realizing portable function
Dynamic device.
On the basis of above-mentioned technical proposal, the sealing device includes end cap, uncompensated ring, uncompensated ring auxiliary seal
Circle, compensation ring, compensation ring auxiliary seal ring, throw-out collar, spring, spring base and holding screw, the end cap pass through with uncompensated ring
Stop pin keeps geo-stationary, the uncompensated ring auxiliary seal ring to be located between uncompensated ring and end cap, and the compensation ring is auxiliary
Sealing ring is helped in the space that compensation ring, throw-out collar and pipeline are surrounded, the spring housing loaded on pipeline and located at spring base and
Between throw-out collar, the spring base is affixed with pipeline by holding screw.
On the basis of above-mentioned technical proposal, the mobile device includes the machine for fixing ducting module and control module
Frame, the wheel for driving machine frame movement and the brake apparatus for being braked to wheel.
On the basis of above-mentioned technical proposal, also including filtering pressure regulator valve, it is arranged at air inlet ball valve and manual modulation valve
On the connecting pipeline of electric ratio adjusting valve.
On the basis of above-mentioned technical proposal, also including first throttle valve and second throttle, it is respectively arranged at the 5th
The first end of the first end of magnetic valve and the 6th magnetic valve.
On the basis of above-mentioned technical proposal, the brake apparatus includes rotation section and braking parts, and the braking parts pass through
Support is installed on wheel, and is connected with rotation section；The rotation section is installed on support, and the rotation section is by base plate, big bullet
Lid, small bullet lid and brake bullet lid are constituted successively from top to bottom, and the base plate, small bullet lid and brake bullet lid are solid by the first rivet
Connect, the first ball is provided between the big bullet lid and bottom plate, the second ball, institute are provided between the big bullet lid and small bullet lid
State big bullet lid to horizontally rotate between base plate and small bullet lid by the first ball and the second ball, the big bullet lid is fixed in support
Leg top；The braking parts include：Brake frame, braking footrest, reset pedal and brake block, the brake frame are fixed in branch
The both sides of frame leg, the braking footrest be threaded onto brake frame the first bearing pin be hinged, the reset pedal with install
It is hinged in the second bearing pin of braking footrest, and positioned at the lower section of braking footrest；The reset pedal is by the 3rd pin
Axle is hinged with one end of brake block, and the brake block is threaded onto brake inframe, and brake block middle part be threaded onto the of brake frame
Four bearing pins are hinged；The brake block other end is formed with the gear shaping for being buckled in brake bullet lid, in the middle of the brake block
Position is formed with the spring bearer plate for upwardly extending, and the spring bearer plate is touched with the bottom connection of brake frame.
A kind of detection of the portable air-tightness detection device for motor train unit train maintenance according to claim 1
Method, it is characterised in that：Including gas replenishment process, voltage stabilizing process, pressure maintaining period and exhaust process.
On the basis of above-mentioned technical proposal, the first interface is connected with measurement equipment to be checked, air inlet ball valve is opened, to electricity
Gas ratio adjusting valve and the second solenoid valves are inflated process, and export default pressure by electric ratio adjusting valve
Value；Second magnetic valve and the 5th magnetic valve are powered off, by the pressure value of the display of first pressure sensor and default pressure value
Compare, it is ensured that the pressure value that first pressure sensor shows in voltage stabling control is within a preset range；Close electric proportion adjustment
Valve, the second magnetic valve and the 5th magnetic valve carry out pressure maintaining period；Open the 5th magnetic valve and be exhausted process, when first pressure is passed
When the pressure value of sensor is less than 0.01MPa, exhaust is completed and closes the 5th magnetic valve.
On the basis of above-mentioned technical proposal, the second interface is connected with measurement equipment to be checked, air inlet ball valve is opened, to electricity
Gas ratio adjusting valve and the 3rd solenoid valves are inflated process, and export default pressure by electric ratio adjusting valve
Value；To the 3rd magnetic valve and the power-off of the 6th magnetic valve, the pressure value that second pressure sensor is shown and default pressure value ratio
Compared with, it is ensured that the pressure value that second pressure sensor shows in voltage stabling control is within a preset range；Close electric ratio adjusting valve,
3rd magnetic valve and the 6th magnetic valve carry out pressure maintaining period；Open the 6th magnetic valve and be exhausted process, when second pressure sensing
When the pressure value of device is less than 0.01MPa, exhaust is completed and closes the 6th magnetic valve.
On the basis of above-mentioned technical proposal, the first interface is connected with measurement equipment to be checked respectively with second interface, and
First interface is identical with the pressure that second interface to be tested；Air inlet ball valve is opened, to electric ratio adjusting valve, the second magnetic valve
Process is inflated with the 4th solenoid valves, and default pressure value is exported by electric ratio adjusting valve；To the second electromagnetism
The power-off of valve, the 4th magnetic valve, the 5th magnetic valve and the 6th magnetic valve, and by the pressure value and second pressure of first pressure sensor
The pressure value of sensor compares with default pressure value, it is ensured that the pressure value of first pressure sensor and second in voltage stabling control
The pressure value of pressure sensor is within a preset range；Close electric ratio adjusting valve, the second magnetic valve, the 4th magnetic valve, the 5th
Magnetic valve and the 6th magnetic valve carry out pressure maintaining period；The 5th magnetic valve and the 6th magnetic valve are opened, when first pressure sensor is aobvious
When the pressure value that the pressure value and second pressure sensor shown show is less than 0.01MPa, exhaust is completed and closes the 5th magnetic valve
With the 6th magnetic valve.
On the basis of above-mentioned technical proposal, the first interface is connected with band testing equipment respectively with second interface, and
First interface is different from the pressure that second interface to be tested；Air inlet ball valve is opened, to electric ratio adjusting valve, the first magnetic valve
Process is inflated with the 3rd solenoid valves, and the default pressure for second interface is exported by electric ratio adjusting valve
It is worth, manually pressure regulator valve exports the default pressure value of first interface；First magnetic valve and the 3rd magnetic valve are powered off, and will
The pressure value of first pressure sensor and the pressure value of second pressure sensor compare with default pressure value, it is ensured that in voltage stabilizing
The pressure value of interior first pressure sensor and the pressure value of second pressure sensor are within a preset range；Electric ratio is closed to adjust
Section valve, the first magnetic valve and the 3rd magnetic valve, carry out pressure maintaining period；The 5th magnetic valve and the 6th magnetic valve are opened, when the first pressure
When the pressure value that the pressure value and second pressure sensor that force snesor shows show is less than 0.01MPa, exhaust is completed and closed
5th magnetic valve and the 6th magnetic valve.
Beneficial effects of the present invention are：It can automatically control completion inflation, voltage stabilizing, pressurize, exhaust process according to setting,
And can preset testing time in each stage, the gas pressure in real-time monitoring test specimen, detection is automatically performed, testing result is judged,
Detection data is preserved, printing reports are formed, manpower is saved, operating efficiency is improved, it is to avoid because of artificial read-record error or mistake
Influence test result；The detection work under four kinds of different situations is completed secondly by two interfaces and its ducting module design, and
By the generation for reducing interface connection gas leak phenomenon in sealing device guarantee detection process as far as possible；Filled finally by mobile
The fast transfer for realizing whole detection means is put, mobility, flexibility are strong；Whole detection means is adapted to the various of motor train unit train
Maintenance occasion, adaptability is high, applied widely.
Brief description of the drawings
Fig. 1：The piping arrangement of the ducting module of the invention；
Fig. 2：The flow chart of control module of the present invention；
Fig. 3：The structural representation of sealing device of the present invention；
Fig. 4：The structural representation of brake apparatus of the present invention.
Specific embodiment
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary.For this
For the those of ordinary skill in field, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
The invention will be further described with example below in conjunction with the accompanying drawings：
Embodiment 1：As shown in Figures 1 to 4, the portable air-leakage test for motor train unit train maintenance of the present embodiment
Device, including
Ducting module, it includes air inlet ball valve 100, manual modulation valve 102, electric ratio adjusting valve 115, the first magnetic valve
103rd, the second magnetic valve 104, the 3rd magnetic valve 114, the 4th magnetic valve 105, for be vented the 5th magnetic valve 107, for arranging
6th magnetic valve 112 of gas, first pressure sensor 108 and second pressure sensor 110, the first interface 109 and the 5th
Magnetic valve 107 is in parallel, and the magnetic valve 107 of first interface 109 and the 5th first end with the first end phase of the 4th magnetic valve 105
Even；The first pressure sensor 108 is arranged on the pipeline that first interface 109 is connected with the 5th magnetic valve 107, and described second
Interface 111 is in parallel with the 6th magnetic valve 112, and the magnetic valve 112 of second interface 111 and the 6th first end with the 4th magnetic valve
105 the second end is connected；The second pressure sensor 110 is arranged at the pipe that second interface 111 is connected with the 6th magnetic valve 112
Lu Shang, the second end of the 3rd magnetic valve 114 is connected with the second end of the 4th magnetic valve 105, its first end and the second electromagnetism
The first end of valve 104 is connected, second end and the 4th electromagnetism of the second end of second magnetic valve 104 and the first magnetic valve 103
The first end of valve 105 is connected, and the first end of first magnetic valve 103 is connected with the second end of manual modulation valve 102, described
Second end of electric ratio adjusting valve 115 is homogeneous with the first end of the second magnetic valve 104 and the first end of the 3rd magnetic valve 114
Even, the first end of the electric ratio adjusting valve 115 and the first end of manual modulation valve 102 are connected with air inlet ball valve 100；
Control module, it includes power supply module 200, is passed for display first pressure sensor 108 and second pressure in real time
The digital wash 300 of the pressure value that sensor 110 is detected, touch display screen 400 and for controlling whole detection process in
Controller 500, be provided with charging device in the power supply module, when electricity is low, it is low that controller can be automatically reminded to electricity, need to enter
Row charges；The touch display screen is connected with controller；User can set voltage stabling control, dwell time by touch display screen
And preset pressure value；The power supply module is powered using low-voltage direct 24V or 12V, it is to avoid user anticipates in operation
The danger of outer electric shock；The controller is connected with printer 600, is easy to for result to be printed as form, saves the time, improves work
Efficiency；
For preventing the sealing device 1 of ducting module and Awaiting Overhaul interface gas leakage and shifting for realizing portable function
Dynamic device.
It is set forth below a kind of concrete structure of sealing device, the sealing device 1 includes end cap 11, uncompensated ring 12, non-
Compensation ring auxiliary seal ring 13, compensation ring 14, compensation ring auxiliary seal ring 15, throw-out collar 16, spring 17, spring base 18 and clamp screw
Nail 19, the end cap 11 keeps geo-stationary, the uncompensated ring auxiliary seal ring 13 to set with uncompensated ring 12 by stop pin
Between uncompensated ring 12 and end cap 11, the compensation ring auxiliary seal ring 15 is surrounded located at compensation ring 14, throw-out collar 16 and pipeline 2
Space in, the spring 17 is set on pipeline 2 and is located between spring base 18 and throw-out collar 16, and the spring base 18 is by tight
Determine screw 19 affixed with pipeline 2.
The mobile device is including the frame (not shown) for fixing ducting module and control module, for driving
The wheel 5 and the brake apparatus for being braked to wheel of machine frame movement.
In order to prevent the degree of purity of the gas for ensureing air inlet, also including filtering pressure regulator valve 101, it is arranged at air inlet ball valve
100 with the connecting pipeline of manual modulation valve 102 and electric ratio adjusting valve 115 on.
In order to more preferably be used cooperatively with magnetic valve, also including first throttle valve 106 and second throttle 113, it sets respectively
It is placed in the first end of the 5th magnetic valve 107 and the first end of the 6th magnetic valve 112.
A kind of concrete structure of brake apparatus is set forth below, the brake apparatus includes rotation section 3 and braking parts 4, described
Braking parts 4 are installed on wheel 5 by support 6, and are connected with rotation section 3；The rotation section 3 is installed on support 6, described turn
Dynamic portion 3 is made up of successively from top to bottom base plate 31, big bullet lid 32, small bullet lid 33 and brake bullet lid 34, the base plate 31, small bullet lid
33 is affixed by the first rivet 7-5 with brake bullet lid 34, and the first ball 8-1 is provided between the big bullet lid 32 and base plate 31,
The second ball 8-2 is provided between the big bullet lid 32 and small bullet lid 33, the big bullet lid 32 passes through the first ball 8-1 and second
Ball 8-2 horizontally rotates between base plate 31 and small bullet lid 33, and the big bullet lid 32 is fixed in the top of rack leg 6；The braking
Portion 4 includes：Brake frame 41, braking footrest 42, reset pedal 43 and brake block 44, the brake frame 41 are fixed in rack leg
6 both sides, the braking footrest 42 is hinged with the first bearing pin 7-1 for being threaded onto brake frame 41, the reset pedal 43
It is hinged with the second bearing pin 7-2 for being threaded onto braking footrest 42, and positioned at the lower section of braking footrest 42；Described reset is ridden
Plate 43 is hinged by the 3rd bearing pin 7-3 with one end of brake block 44, and the brake block 44 is threaded onto in brake frame 41, and brake block
44 middle parts are hinged with the 4th bearing pin 7-4 for being threaded onto brake frame 41；The other end of the brake block 44 is formed with for being buckled in
Gear shaping 44-2 in brake bullet lid 34, the centre position of the brake block 44 is formed with the spring bearer plate 44-1 for upwardly extending, described
Spring bearer plate 44-1 is touched with the bottom connection of brake frame 41.
For the detection method of the portable air-tightness detection device of motor train unit train maintenance, it is characterised in that：Including filling
Gas process, voltage stabilizing process, pressure maintaining period and exhaust process, in normal operating conditions, the magnetic valve do not mentioned during each
All in closed mode.
Embodiment 2：On the basis of embodiment 1, when detection work is completed by only needing any air-path interface, under
A kind of specific detection operating process is enumerated in face：The first interface 109 is connected with measurement equipment to be checked, opens air inlet ball valve 100,
115 and second magnetic valve of electric ratio adjusting valve 104 is powered and is inflated process, and it is defeated by electric ratio adjusting valve 115
Go out default pressure value；Second magnetic valve 104 and the 5th magnetic valve 107 are powered off, by the display of first pressure sensor 108
Pressure value compares with default pressure value, it is ensured that the pressure value of the display of first pressure sensor 108 is default in voltage stabling control
In the range of；Closing electric ratio adjusting valve 115, the second magnetic valve 104 and the 5th magnetic valve 107 carries out pressure maintaining period；Open the
Five magnetic valves 107 are exhausted process, and when the pressure value of first pressure sensor 108 is less than 0.01MPa, exhaust is completed and closed
Close the 5th magnetic valve 107.
Embodiment 3：On the basis of embodiment 1, when detection work is completed by only needing any air-path interface, under
Another specific detection operating process is enumerated in face：The second interface 111 is connected with measurement equipment to be checked, opens air inlet ball valve
100, electric ratio adjusting valve 115 and the 3rd magnetic valve 114 are powered and are inflated process, and by electric ratio adjusting valve
The 115 default pressure values of output；3rd magnetic valve 114 and the 6th magnetic valve 112 are powered off, second pressure sensor 110 is shown
The pressure value shown compares with default pressure value, it is ensured that the pressure value of the display of second pressure sensor 110 exists in voltage stabling control
In preset range；Closing electric ratio adjusting valve 115, the 3rd magnetic valve 114 and the 6th magnetic valve 112 carries out pressure maintaining period；Beat
Drive the 6th magnetic valve 112 and be exhausted process, when the pressure value of second pressure sensor 110 is less than 0.01MPa, exhaust is completed
And close the 6th magnetic valve 112.
Embodiment 3：On the basis of embodiment 1, when the pressure value for needing two air-path interfaces and two air-path interface measurements
When identical, here is specifically to detect operating process：The first interface 109 and second interface 111 respectively with measurement equipment to be checked
Connection, and first interface 109 is identical with the pressure that second interface 111 to be tested；Air inlet ball valve 100 is opened, to electric ratio
Regulating valve 115, the second magnetic valve 104 and the 4th magnetic valve 105 are powered and are inflated process, and by electric ratio adjusting valve
The 115 default pressure values of output；To the second magnetic valve 104, the 4th magnetic valve 105, the 5th magnetic valve 107 and the 6th magnetic valve
112 power-off, and by the pressure value of the pressure value of first pressure sensor 108 and second pressure sensor 110 and default pressure
Value compares, it is ensured that the pressure value of the pressure value of first pressure sensor 108 and second pressure sensor 110 exists in voltage stabling control
In preset range；Close electric ratio adjusting valve 115, the second magnetic valve 104, the 4th magnetic valve 105, the and of the 5th magnetic valve 107
6th magnetic valve 112 carries out pressure maintaining period；The 5th magnetic valve 107 and the 6th magnetic valve 112 are opened, when first pressure sensor
When the pressure values of 108 displays and the pressure value of the display of second pressure sensor 110 are less than 0.01MPa, exhaust is completed and closes the
Five magnetic valves 107 and the 6th magnetic valve 112.
Embodiment 4：On the basis of embodiment 1, when the pressure value for needing two air-path interfaces and two air-path interface measurements
When different, here is specifically to detect operating process：The first interface 109 and second interface 111 respectively with band testing equipment
Connection, and first interface 109 is different from the pressure that second interface 111 to be tested；Air inlet ball valve 100 is opened, to electric ratio
Regulating valve 115, the first magnetic valve 103 and the 3rd magnetic valve 114 are powered and are inflated process, and by electric ratio adjusting valve
115 export the default pressure value for second interface 111, and manually pressure regulator valve exports the default pressure of first interface 109
Force value；First magnetic valve 103 and the 3rd magnetic valve 114 are powered off, and the pressure value of first pressure sensor 108 and second are pressed
The pressure value of force snesor 110 compares with default pressure value, it is ensured that the pressure of first pressure sensor 108 in voltage stabling control
The pressure value of value and second pressure sensor 110 is within a preset range；Close electric ratio adjusting valve 115, the first magnetic valve 103
With the 3rd magnetic valve 114, pressure maintaining period is carried out；The 5th magnetic valve 107 and the 6th magnetic valve 112 are opened, when first pressure sensing
When the pressure value of the display of device 108 and the pressure value of the display of second pressure sensor 110 are less than 0.01MPa, exhaust is completed and closed
5th magnetic valve 107 and the 6th magnetic valve 112.
The present invention is used for the air-leakage test of basic brake device of motor train set, and the motor-car brake rigging is divided into two
Kind, a kind of is the brake unit with spring cylinder, and another kind is the brake unit without spring cylinder.
For the brake unit without spring cylinder, experiment, detection dress are completed by an interface is only used during detection experiment
Putting need to only use any one interface when using, be connected with the checking cylinder of brake rigging, and electrically ratio is controlled by controller
Example regulating valve exports different pressure values, controls magnetic valve break-make, can complete the motion test of brake rigging, and checking cylinder is low
Pressure, middle pressure, high pressure pressurize experiment；
For the brake unit with spring cylinder, need to use two interfaces during detection experiment, wherein first interface is connected to bullet
On spring cylinder, the gas pressure of manual modulation valve output setting controls magnetic valve break-make, makes in the spring cylinder that is connected with first interface
Inflation, is at relieved state, and second interface is connected on checking cylinder, and electric ratio adjusting valve, and control are controlled by controller
Magnetic valve break-make processed, makes to be inflated in the checking cylinder being connected with second interface, can complete the motion test of brake rigging, brakes
Cylinder low pressure, middle pressure, high pressure pressurize experiment.
The present invention is described by way of example above, but the invention is not restricted to above-mentioned specific embodiment, it is all to be based on
Any change or modification that the present invention is done belong to the scope of protection of present invention.
Claims (10)
1. the portable air-tightness detection device of motor train unit train maintenance is used for, it is characterised in that including
Ducting module, it includes air inlet ball valve (100), manual modulation valve (102), electric ratio adjusting valve (115), the first electromagnetism
Valve (103), the second magnetic valve (104), the 3rd magnetic valve (114), the 4th magnetic valve (105), the 5th magnetic valve for being vented
(107) it is described, for the 6th magnetic valve (112), first pressure sensor (108) and the second pressure sensor (110) that are vented
First interface (109) is in parallel with the 5th magnetic valve (107), and the first end of first interface (109) and the 5th magnetic valve (107) is equal
First end with the 4th magnetic valve (105) is connected；The first pressure sensor (108) is arranged at first interface (109) and the
On the pipeline of five magnetic valves (107) connection, the second interface (111) is in parallel with the 6th magnetic valve (112), and second interface
(111) it is connected with second end of the first end with the 4th magnetic valve (105) of the 6th magnetic valve (112)；The second pressure is passed
Sensor (110) is arranged on the pipeline that second interface (111) is connected with the 6th magnetic valve (112), the 3rd magnetic valve (114)
The second end be connected with the second end of the 4th magnetic valve (105), its first end is connected with the first end of the second magnetic valve (104),
Second end of second magnetic valve (104) and the second end of the first magnetic valve (103) and the first end of the 4th magnetic valve (105)
It is connected, the first end of first magnetic valve (103) is connected with the second end of manual modulation valve (102), the electric ratio
Second end of regulating valve (115) is connected with the first end of the second magnetic valve (104) and the first end of the 3rd magnetic valve (114),
The first end of the electric ratio adjusting valve (115) and the first end of manual modulation valve (102) connect with air inlet ball valve (100)
Connect；
Control module, it includes power supply module (200), is passed for display first pressure sensor (108) in real time and second pressure
The digital wash (300) of the pressure value that sensor (110) is detected, touch display screen (400) and for controlling whole detection
During controller (500), charging device, the touch display screen (400) and control are provided with the power supply module (200)
Device (500) is connected；
Sealing device and mobile dress for realizing portable function for preventing ducting module and Awaiting Overhaul interface gas leakage
Put.
2. it is according to claim 1 for motor train unit train maintenance portable air-tightness detection device, it is characterised in that：
The sealing device (1) includes end cap (11), uncompensated ring (12), uncompensated ring auxiliary seal ring (13), compensation ring (14), benefit
Repay ring auxiliary seal ring (15), throw-out collar (16), spring (17), spring base (18) and holding screw (19), the end cap (11) with
Uncompensated ring (12) keeps geo-stationary by stop pin, and the uncompensated ring auxiliary seal ring (13) is located at uncompensated ring (12)
Between end cap (11), what compensation ring auxiliary seal ring (15) surrounded located at compensation ring (14), throw-out collar (16) and pipeline (2)
In space, the spring (17) is set on pipeline (2) and between spring base (18) and throw-out collar (16), the spring base
(18) it is affixed with pipeline (2) by holding screw (19).
3. it is according to claim 1 for motor train unit train maintenance portable air-tightness detection device, it is characterised in that：
The mobile device include for fix ducting module and the frame of control module, the wheel (5) for driving machine frame movement and
For the brake apparatus braked to wheel.
4. it is according to claim 1 for motor train unit train maintenance portable air-tightness detection device, it is characterised in that：
Also include filtering pressure regulator valve (101), it is arranged at air inlet ball valve (100) and manual modulation valve (102) and electric ratio adjusting valve
(115) on connecting pipeline.
5. it is according to claim 1 for motor train unit train maintenance portable air-tightness detection device, it is characterised in that：
Also include first throttle valve (106) and second throttle (113), first end that it is respectively arranged at the 5th magnetic valve (107) with
The first end of the 6th magnetic valve (112).
6. it is a kind of it is according to claim 1 for motor train unit train maintenance portable air-tightness detection device detection side
Method, it is characterised in that：Including gas replenishment process, voltage stabilizing process, pressure maintaining period and exhaust process.
7. it is according to claim 6 for motor train unit train maintenance portable air-tightness detection device detection method,
It is characterized in that：The first interface (109) is connected with measurement equipment to be checked, air inlet ball valve (100) is opened, to electric proportion adjustment
Valve (115) and the second magnetic valve (104) are powered and are inflated process, and export default by electric ratio adjusting valve (115)
Pressure value；Second magnetic valve (104) and the 5th magnetic valve (107) are powered off, by the pressure of the display of first pressure sensor (108)
Force value compares with default pressure value, it is ensured that the pressure value of first pressure sensor (108) display is default in voltage stabling control
In the range of；Closing electric ratio adjusting valve (115), the second magnetic valve (104) and the 5th magnetic valve (107) carries out pressure maintaining period；
Open the 5th magnetic valve (107) and be exhausted process, when the pressure value of first pressure sensor (108) is less than 0.01MPa, row
Gas is completed and closes the 5th magnetic valve (107).
8. it is according to claim 6 for motor train unit train maintenance portable air-tightness detection device detection method,
It is characterized in that：The second interface (111) is connected with measurement equipment to be checked, air inlet ball valve (100) is opened, to electric proportion adjustment
Valve (115) and the 3rd magnetic valve (114) are powered and are inflated process, and export default by electric ratio adjusting valve (115)
Pressure value；3rd magnetic valve (114) and the 6th magnetic valve (112) are powered off, the pressure that second pressure sensor (110) is shown
Value compares with default pressure value, it is ensured that the pressure value of second pressure sensor (110) display is in default model in voltage stabling control
In enclosing；Closing electric ratio adjusting valve (115), the 3rd magnetic valve (114) and the 6th magnetic valve (112) carries out pressure maintaining period；Beat
Drive the 6th magnetic valve (112) and be exhausted process, when the pressure value of second pressure sensor (110) is less than 0.01MPa, exhaust
Complete and close the 6th magnetic valve (112).
9. it is according to claim 6 for motor train unit train maintenance portable air-tightness detection device detection method,
It is characterized in that：The first interface (109) is connected with measurement equipment to be checked respectively with second interface (111), and first interface
(109) it is identical with second interface (111) pressure to be tested；Air inlet ball valve (100) is opened, to electric ratio adjusting valve
(115), the second magnetic valve (104) and the 4th magnetic valve (105) are powered and are inflated process, and by electric ratio adjusting valve
(115) default pressure value is exported；To the second magnetic valve (104), the 4th magnetic valve (105), the 5th magnetic valve (107) and the 6th
Magnetic valve (112) is powered off, and by the pressure value of first pressure sensor (108) and the pressure value of second pressure sensor (110)
Compare with default pressure value, it is ensured that the pressure value of first pressure sensor (108) and second pressure are sensed in voltage stabling control
The pressure value of device (110) is within a preset range；Close electric ratio adjusting valve (115), the second magnetic valve (104), the 4th electromagnetism
Valve (105), the 5th magnetic valve (107) and the 6th magnetic valve (112) carry out pressure maintaining period；Open the 5th magnetic valve (107) and
Six magnetic valves (112), when the pressure value and the pressure of second pressure sensor (110) display of first pressure sensor (108) display
When force value is less than 0.01MPa, exhaust is completed and closes the 5th magnetic valve (107) and the 6th magnetic valve (112).
10. it is according to claim 6 for motor train unit train maintenance portable air-tightness detection device detection method,
It is characterized in that：The first interface (109) is connected with band testing equipment respectively with second interface (111), and first interface
(109) it is different from second interface (111) pressure to be tested；Air inlet ball valve (100) is opened, to electric ratio adjusting valve
(115), the first magnetic valve (103) and the 3rd magnetic valve (114) are powered and are inflated process, and by electric ratio adjusting valve
(115) for the default pressure value of second interface (111), manually pressure regulator valve output first interface (109) is pre- for output
If pressure value；First magnetic valve (103) and the 3rd magnetic valve (114) are powered off, and by the pressure of first pressure sensor (108)
The pressure value of force value and second pressure sensor (110) compares with default pressure value, it is ensured that the first pressure in voltage stabling control
The pressure value of sensor (108) and the pressure value of second pressure sensor (110) are within a preset range；Close electric proportion adjustment
Valve (115), the first magnetic valve (103) and the 3rd magnetic valve (114), carry out pressure maintaining period；Open the 5th magnetic valve (107) and
Six magnetic valves (112), when the pressure value and the pressure of second pressure sensor (110) display of first pressure sensor (108) display
When force value is less than 0.01MPa, exhaust is completed and closes the 5th magnetic valve (107) and the 6th magnetic valve (112).
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490459A (en) * | 2017-10-09 | 2017-12-19 | 深圳天邦美科技有限公司 | A kind of ventilating control method of air-leakage detector detection seal products |
| CN108844694A (en) * | 2018-08-02 | 2018-11-20 | 兰州交通大学 | Air-tightness detection device and its detection method in a kind of movement of high-speed EMUs |
| 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 |
| CN112304596A (en) * | 2020-10-20 | 2021-02-02 | 神华铁路装备有限责任公司 | Detection device and detection method for locomotive unit brake |
| WO2021027462A1 (en) * | 2019-08-09 | 2021-02-18 | 宁德时代新能源科技股份有限公司 | Air tightness detection device |
| CN112525441A (en) * | 2020-10-26 | 2021-03-19 | 中车唐山机车车辆有限公司 | Air charging pressure maintaining system and air charging pressure maintaining equipment for motor train unit |
| CN114046931A (en) * | 2021-11-01 | 2022-02-15 | 柳州机车车辆有限公司 | Detection method for rail vehicle brake pressure sensor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1645481A2 (en) * | 2004-10-11 | 2006-04-12 | Few Blankenburg GmbH | Method and device for testing the tightness of the main air supply line in railway vehicles |
| CN101813564A (en) * | 2010-03-09 | 2010-08-25 | 上海大学 | Automation testing platform control air circuit system of subway brake unit |
| US20130047705A1 (en) * | 2011-08-29 | 2013-02-28 | Graham-White Manufacturing Company | System and method for testing a rail car brake system |
| CN104122053A (en) * | 2014-06-27 | 2014-10-29 | 中北大学 | Multi-path sharing sealing performance detecting device |
| CN105181355A (en) * | 2015-10-08 | 2015-12-23 | 南阳理工学院 | Multifunctional testing device of air brake system of tractor transportation unit |
| CN205038026U (en) * | 2015-09-28 | 2016-02-17 | 中铁检验认证中心 | Sealed integrality of EMUs carbon slide air flue and continuity test device that flows |
| CN206960069U (en) * | 2016-12-22 | 2018-02-02 | 青岛杰瑞工控技术有限公司 | Portable air-tightness detection device for motor train unit train maintenance |
-
2016
- 2016-12-22 CN CN201611196696.5A patent/CN106768704B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1645481A2 (en) * | 2004-10-11 | 2006-04-12 | Few Blankenburg GmbH | Method and device for testing the tightness of the main air supply line in railway vehicles |
| CN101813564A (en) * | 2010-03-09 | 2010-08-25 | 上海大学 | Automation testing platform control air circuit system of subway brake unit |
| US20130047705A1 (en) * | 2011-08-29 | 2013-02-28 | Graham-White Manufacturing Company | System and method for testing a rail car brake system |
| CN104122053A (en) * | 2014-06-27 | 2014-10-29 | 中北大学 | Multi-path sharing sealing performance detecting device |
| CN205038026U (en) * | 2015-09-28 | 2016-02-17 | 中铁检验认证中心 | Sealed integrality of EMUs carbon slide air flue and continuity test device that flows |
| CN105181355A (en) * | 2015-10-08 | 2015-12-23 | 南阳理工学院 | Multifunctional testing device of air brake system of tractor transportation unit |
| CN206960069U (en) * | 2016-12-22 | 2018-02-02 | 青岛杰瑞工控技术有限公司 | Portable air-tightness detection device for motor train unit train maintenance |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107490459A (en) * | 2017-10-09 | 2017-12-19 | 深圳天邦美科技有限公司 | A kind of ventilating control method of air-leakage detector detection seal products |
| CN108844694A (en) * | 2018-08-02 | 2018-11-20 | 兰州交通大学 | Air-tightness detection device and its detection method in a kind of movement of high-speed EMUs |
| CN108844694B (en) * | 2018-08-02 | 2020-04-14 | 兰州交通大学 | Air tightness detection device and detection method in motion of high-speed motor train unit |
| 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 |
| WO2021027462A1 (en) * | 2019-08-09 | 2021-02-18 | 宁德时代新能源科技股份有限公司 | Air tightness detection device |
| US20210116324A1 (en) * | 2019-08-09 | 2021-04-22 | Contemporary Amperex Technology Co., Limited | Apparatus for detecting air tightness |
| US11598690B2 (en) * | 2019-08-09 | 2023-03-07 | Contemporary Amperex Technology Co., Limited | Apparatus for detecting air tightness |
| CN112304596A (en) * | 2020-10-20 | 2021-02-02 | 神华铁路装备有限责任公司 | Detection device and detection method for locomotive unit brake |
| CN112525441A (en) * | 2020-10-26 | 2021-03-19 | 中车唐山机车车辆有限公司 | Air charging pressure maintaining system and air charging pressure maintaining equipment for motor train unit |
| CN114046931A (en) * | 2021-11-01 | 2022-02-15 | 柳州机车车辆有限公司 | Detection method for rail vehicle brake pressure sensor |
| CN114046931B (en) * | 2021-11-01 | 2024-04-12 | 柳州机车车辆有限公司 | Railway vehicle brake pressure sensor detection method |
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