CN206311440U - Locomotive weld-end fittings assembly intensity water pressure testing board - Google Patents
Locomotive weld-end fittings assembly intensity water pressure testing board Download PDFInfo
- Publication number
- CN206311440U CN206311440U CN201621312325.4U CN201621312325U CN206311440U CN 206311440 U CN206311440 U CN 206311440U CN 201621312325 U CN201621312325 U CN 201621312325U CN 206311440 U CN206311440 U CN 206311440U
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- China
- Prior art keywords
- water pressure
- locomotive
- plate
- weld
- sealing device
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Abstract
The utility model discloses a kind of locomotive weld-end fittings assembly intensity water pressure testing board, it is made up of three sets of high water pressure test units, the control panel of high water pressure test unit, pneumatic pinch sealing device, water tank, test-bed body are arranged on platen, control panel is provided with the side of high water pressure test unit, it is parallel with control panel to be provided with pneumatic pinch sealing device, water tank with hydraulic pressure pressure charging system is set up in parallel with test-bed body, is be arranged in parallel with air clamper after being in line.Advantage of the present utility model：Testing stand meets existing diesel locomotive, electric locomotive, the water pressure test for strength of all pipeline weld-end fittings assemblies, including all size caliber and special-shaped end interface.The end interface Seal Design that manipulation is convenient, pressure output is reliable and stable, good reduces leakage phenomenon in itself.May insure while carry out different pressures, the common detection of different pipe fitting, to substantially increase operating efficiency, reduce personal labour intensity.
Description
Technical field
The utility model is related to a kind of water pressure testing board, more particularly to a kind of locomotive weld-end fittings assembly intensity water pressure test
Platform.
Background technology
Pipe fitting assembly after welding, has to carry out the water pressure test of specified value before assembling of getting on the bus.According to GB/T3314-
The technical standard of 2006 and GB/T3315-2006, carries out the water pressure test with the press water of 500kPa and 1200kPa respectively, it is desirable to
Holding must not sew for 5 minutes, and installation of getting on the bus is permitted at passed examination rear.The way of prior art is：Rear tubular member will be connect per root bead
Assembly is first fixedly clamped and is reinjected press water afterwards, but this way dwell time shorter pressure transient, test effect
It is relatively low.Other end part seal effect is bad to be easily caused itself and sews.Job note one simultaneously, the especially pipe fitting to special-shaped interface is total
It is relatively low into test efficiency.
Existing hydraulic block is to be provided with fore device and end equipment at the two ends of water pressure test platform, on fore device
It is provided with horizontally movable seal plug, seal plug and is provided with water injection hole, end plug is provided with end equipment, by adjusts
The distance between section regulation end plug and seal plug need the pipe fitting of measurement to hold out against, then by the water filling of seal plug
Hole to water under high pressure is injected in welded tube, to detect sewing for welded tube.
Dwell time is short, pressure is whard to control, end part seal in a high voltage state effect it is relatively low, especially to special-shaped interface
Pipe fitting lacks seal means, tentative single.
The water pressure test is microcomputer control water pressure testing board.Water pump is arranged on inlet pipeline, and inlet pipeline is provided with pressurization
Electronic execution is cut down, and outlet pipeline includes level sensing pipeline, pressure detecting pipeline and automatic deloading pipeline, and signal piping is provided with
With the liquid level detection device of subject UNICOM, pressure detecting pipeline be provided with pressure sensor respectively perform cut down with micro control device electricity
Connection.
The sealing of tested pipe fitting lacks diversity, especially to the sealing joint of multi-form without effective process meanses, and
Capacitive is relatively low, does not reach variation.
The content of the invention
The utility model realizes that locomotive welding rear tubular member assembly intensity can carry out hydraulic pressure detection under different technologies standard,
Adapt to railway locomotive manufacturing technology field.According to diesel locomotive, the manufacturing process requirement of pipeline pipe fitting used by electric locomotive and phase
Pass standard is designed manufacture, is rail vehicles manufactory, the ideal test equipment of maintenance department.Testing stand is mainly used in
The water pressure test for strength of various pipeline pipe fitting of diesel locomotive, electric locomotive, EMUs.
This locomotive weld-end fittings assembly intensity water pressure testing board, is made up of, water under high pressure three sets of high water pressure test units
The control panel of pressure test unit, pneumatic pinch sealing device, water tank, test-bed body are arranged on platen, in high water pressure
The side of test unit is provided with control panel, parallel with control panel to be provided with pneumatic pinch sealing device, and system is pressurized with hydraulic pressure
The water tank of system is set up in parallel with test-bed body, is be arranged in parallel with air clamper after being in line.
Described pneumatic pinch sealing device compresses silk braid, sealing plate, flange positioning by clamping cylinder, air cylinder fixed plate
Plate, groove location-plate composition, are threadedly coupled, the other end between pneumatic pinch sealing device one end clamping cylinder and air cylinder fixed plate
Flange location-plate and groove location-plate are fixed on pneumatic pinch sealing device by locating piece and backing plate, and middle part is provided with pressure
Tight silk braid and sealing plate, silk braid is vertical is provided with groove for side and the compression of pneumatic pinch sealing device.
What is used cooperatively with described flange location-plate is clamping flange.
There are transition template and silicagel pad, transition template and silicagel pad with described pneumatic pinch sealing device is used cooperatively
On clamping flange.
The control system of described control panel is PLC control system.
Described locating piece has two, respectively locating piece one and locating piece two.
The utility model has the advantage of：The testing stand meets existing diesel locomotive, electric locomotive, all pipeline welded pipes
The water pressure test for strength of part assembly, including all size caliber and special-shaped end interface.Meet GB/T3314-2006 and GB/
The technical standard requirement of T3315-2006.The end interface Seal Design reduction that manipulation is convenient, pressure output is reliable and stable, good
Leakage phenomenon in itself.The design of multioperation station may insure and meanwhile carry out different pressures, different pipe fitting it is common
Detection, substantially increases operating efficiency, reduces personal labour intensity.
Brief description of the drawings
Fig. 1 is the structural representation of locomotive weld-end fittings assembly intensity water pressure testing board.
Fig. 2 is the structural representation of pneumatic pinch sealing device.
Marked in figure：1- control panels, 2- pneumatic pinch sealing devices, 3- water tanks, 4- test-bed bodies, 5- platens, 21- folders
Tight cylinder, 22- air cylinder fixed plates, 23- compresses silk braid, 24- sealing plates, 25- flange location-plates, 26- groove location-plates, 27- pads
Plate, 28- locating pieces, 281- locating pieces one, 282- locating pieces two.
Specific embodiment
Locomotive weld-end fittings assembly intensity water pressure testing board is further described below in conjunction with the accompanying drawings.
This locomotive weld-end fittings assembly intensity water pressure testing board, is made up of, water under high pressure three sets of high water pressure test units
The control panel 1 of pressure test unit, pneumatic pinch sealing device 2, water tank 3, test-bed body 4 are arranged on platen 5, in high pressure
The side of water pressure test unit is provided with control panel 1, parallel with control panel 1 to be provided with pneumatic pinch sealing device 2, with hydraulic pressure
The water tank 3 of pressure charging system is set up in parallel with test-bed body 4, is be arranged in parallel with air clamper 2 after being in line.Pneumatic pinch
Sealing device 2 compresses silk braid 23, sealing plate 24, flange location-plate 25, groove positioning by clamping cylinder 21, air cylinder fixed plate 22
Plate 26 is constituted, and is threadedly coupled between one end clamping cylinder 21 of pneumatic pinch sealing device 2 and air cylinder fixed plate 22, another end flanges
Location-plate 25 and groove location-plate 26 are fixed on pneumatic pinch sealing device 2 by locating piece 28 and backing plate 27, middle part
It is provided with compression silk braid 23 and sealing plate 24, silk braid 23 is vertical is provided with groove for the side of pneumatic pinch sealing device 2 and compression.With method
What blue location-plate 25 was used cooperatively is clamping flange.There are transition template and silica gel with pneumatic pinch sealing device 2 is used cooperatively
Pad, transition template and silicagel pad are arranged on clamping flange.The control system of control panel 1 is PLC control system.In order to adjust
The center of positioning, locating piece 28 has two, respectively locating piece 1 and locating piece 2 282.
In order to the purpose of this utility model is better achieved, testing stand uses PLC control system, and reliability is high, with certainly
The functions such as dynamic pressurization, automatic pressure-maintaining, alarm.The dwell time of each test unit can individually be set by technical requirements.Can be by one
The detection of individual assembly is once completed, time saving and energy saving, substantially increases detection efficiency.The setting of multiple stations and pressure value simultaneously,
Facilitate operator to the actually used of the pipe fitting of different technologies requirement test.Pneumatic pinch sealing device 2 is to ensure that pipe fitting is tested
The practicable basis of means, it mainly by clamping cylinder 21, locating piece 28, flange location-plate 25, etc. constitute, it both ensure that pipe fitting
Fixation also ensure that the safety of operator, what is used cooperatively with flange location-plate 25 is clamping flange.Sealed with pneumatic pinch
What device 2 was used cooperatively has transition template and silicagel pad, and transition template and silicagel pad are arranged on clamping flange.Sealing formboard with
Silicagel pad, the combination of rubber ring ensure that pipe fitting can not occur leakage phenomenon during pressure test, and sealing means have obtained excellent
Change.By changing different groove location-plates 26, it can be ensured that it is good fixed that the caliber of different size, the end of special-shaped interface reach
Position and the effect of sealing.
The utility model locomotive weld-end fittings intensity water pressure testing board is mainly used：Three sets of high water pressure test unit groups
Into often set test unit is equipped with single control panel 1, pneumatic pinch sealing device 2, hydraulic pressure pressure charging system, air-channel system
With electrical system etc..
Concrete operation step：
1st, pressure is set." test pressure selecting switch " is allocated to by the test pressure value of test specimen technical requirements.
2nd, the clamping of pipe fitting.From transition template, the silicagel pad matched with tested pipeline pipe fitting before detection, location-plate 28 is simultaneously
Sealing transition template, silicagel pad are arranged on clamping flange, and inserted in the groove of pneumatic pinch sealing device side.From
Suitable manual, and by clamp tested pipe fitting the other end.By the flange (special-shaped interface) of tested pipeline pipe fitting
It is put into the front panel mounting hole of apparatus body, flange face should tightly fit with flange location-plate 25.Stir " cylinder clamping switch "
To " clamping " position, air rammer stretches out clamping by test specimen.
3rd, tested.By pressing " start button ", PLC control system automatically opens up pressurizing valve, closes off-load first
Valve, and start low-lift pump operating feedwater.After the hydraulic pressure in tested pipeline pipe fitting reaches 0.14Mpa, PLC system control low-lift pump
Stop, and automatic gas-liquid booster pump pressurizes.When the hydraulic pressure in tested pipeline pipe fitting reaches the examination that tested pipeline pipe fitting specifies
PLC system control gas-liquid booster pump shuts down when testing pressure, and closes pressurizing valve, into pressurize experimental stage, starts pressurize
Timing；When the dwell time is reached, system is pointed out automatically.Press " stop botton ", open unloading valve, the tested pipeline pipe fitting of removal
In water under high pressure, off-test.
The testing stand can once complete the detection of an assembly pipe fitting, and manipulation is convenient, time saving and energy saving, it can be ensured that monitoring
Data it is accurate, while meeting the technical requirements of high water pressure test now, substantially increase detection efficiency and scope.Multistation
Design may insure while independently carry out artisanal operation, to improve operating efficiency, reduce the labour intensity of individual.Pneumatic clamps
Tightening seal device meets the fixation at scene, the use requirement of clamping.And to the caliber and abnormal shape of whole locomotive different size
End interface (flange, nipple, fluted tube) can be carried out effective test, and compatibility is good.
General principle of the invention, primary structure and advantage has been shown and described above.The technical staff of the industry should
Understand, without departing from the spirit and scope of the present invention, the present invention there can also be the changes and improvements in size and direction etc.,
These changes and improvements are both fallen within claimed the scope of the present invention.
Claims (6)
1. a kind of locomotive weld-end fittings assembly intensity water pressure testing board, it is characterised in that：The chain of command of high water pressure test unit
Plate, pneumatic pinch sealing device, water tank, test-bed body are arranged on platen, are made up of three sets of high water pressure test units,
The side of high water pressure test unit is provided with control panel, parallel with control panel to be provided with pneumatic pinch sealing device, with water
Press the water tank of pressure charging system to be set up in parallel with test-bed body, be arranged in parallel with air clamper after being in line.
2. locomotive weld-end fittings assembly intensity water pressure testing board according to claim 1, it is characterised in that：Described is pneumatic
Clamping sealing device compresses silk braid, sealing plate, flange location-plate, groove location-plate composition by clamping cylinder, air cylinder fixed plate,
It is threadedly coupled between pneumatic pinch sealing device one end clamping cylinder and air cylinder fixed plate, another end flanges location-plate and groove are fixed
Position plate is fixed on pneumatic pinch sealing device by locating piece and backing plate, and middle part is provided with compression silk braid and sealing plate, gas
Silk braid is vertical is provided with groove for the side of dynamic clamping sealing device and compression.
3. locomotive weld-end fittings assembly intensity water pressure testing board according to claim 2, it is characterised in that：With described method
What blue location-plate was used cooperatively is clamping flange.
4. the locomotive weld-end fittings assembly intensity water pressure testing board according to claim 1 or 3, it is characterised in that：With it is described
Pneumatic pinch sealing device use cooperatively have transition template and a silicagel pad, transition template and silicagel pad are arranged on clamping flange
On.
5. locomotive weld-end fittings assembly intensity water pressure testing board according to claim 1, it is characterised in that：Described control
The control system of panel is PLC control system.
6. locomotive weld-end fittings assembly intensity water pressure testing board according to claim 2, it is characterised in that：Described positioning
Block has two, respectively locating piece one and locating piece two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621312325.4U CN206311440U (en) | 2016-12-02 | 2016-12-02 | Locomotive weld-end fittings assembly intensity water pressure testing board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621312325.4U CN206311440U (en) | 2016-12-02 | 2016-12-02 | Locomotive weld-end fittings assembly intensity water pressure testing board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206311440U true CN206311440U (en) | 2017-07-07 |
Family
ID=59250480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621312325.4U Expired - Fee Related CN206311440U (en) | 2016-12-02 | 2016-12-02 | Locomotive weld-end fittings assembly intensity water pressure testing board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206311440U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235311A (en) * | 2021-12-20 | 2022-03-25 | 中车大连机车车辆有限公司 | Pipeline hydrostatic test method suitable for groove on one side and flange on the other side |
-
2016
- 2016-12-02 CN CN201621312325.4U patent/CN206311440U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235311A (en) * | 2021-12-20 | 2022-03-25 | 中车大连机车车辆有限公司 | Pipeline hydrostatic test method suitable for groove on one side and flange on the other side |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20211202 |