CN209432383U - A kind of bogie tightness test device - Google Patents
A kind of bogie tightness test device Download PDFInfo
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- CN209432383U CN209432383U CN201920256003.XU CN201920256003U CN209432383U CN 209432383 U CN209432383 U CN 209432383U CN 201920256003 U CN201920256003 U CN 201920256003U CN 209432383 U CN209432383 U CN 209432383U
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- bogie
- locking arm
- spring bolster
- pressing plate
- bolster component
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Abstract
The utility model relates to a kind of bogie tightness test devices, including the empty spring bolster component after assembling, it further include workbench, charger and first pressure detection device, workbench includes pedestal, empty spring bolster component is mounted on the base, support post is separately installed on the pedestal of empty spring bolster component two sides, at the top of two support posts across installing a locking arm, pressing plate is installed between empty spring bolster component and locking arm, the top that locking arm and pressing plate are located at empty spring bolster component is used to limit the inflation height of empty spring bolster component, charger and first pressure detection device respectively on empty spring bolster component inflatable interface and detection interface connect.The utility model realizes the air seal test for hanging empty rail bogie air spring bolster, has many advantages, such as that structure is simple and convenient to operate, is versatile, is safe and reliable.
Description
Technical field
The utility model relates to a kind of bogie tightness test devices, belong to air-tight test technical field.
Background technique
Existing city rail vehicle is generally all by installation air spring as vibration absorption unit, the air bullet of conventional city rail vehicle
Spring is installed to bogie frame, and the mounting means for hanging the air spring of empty rail bogie is different, by air spring
It is mounted on bolster.
The air spring air spring air seal test of conventional city rail vehicle is first to lead to pressure into the airtight pipeline of bogie
Air, then press to bogie, bogie height is adjusted and kept using altitude valve, as bogie stress increases, is turned to
The air pressure in air spring in frame gradually rises.When the air pressure in air spring reaches air tightness test standard
When 0.6MPa, stop inflating into air spring, then carries out pressure maintaining test, if within the standard dwell time, air bullet
The drop-out value of air pressure in spring is no more than 10KPa, then illustrates air tightness test qualification, otherwise, air tightness test is unqualified.
Conventional city rail vehicle air spring air seal test can pass through the pipe interface and air spring on bracket loading test platform
Connection carries out air seal test.And hanging the compressed air in empty rail bogie air spring is shaken by compressed air line connection
Pillow, then allows compressed air into air spring by the pipe interface on bolster.Therefore, conventional city rail vehicle bracket loading test platform
It cannot achieve the empty rail bogie air spring bolster air seal test of suspension.
Utility model content
The utility model mainly solving the technical problems that, provide it is a kind of can be achieved to hang empty rail bogie air spring shake
Rest the head on air seal test, and simple to operate, versatile bogie tightness test device.
To achieve the above object, the technical solution of the utility model is:
A kind of bogie tightness test device, including assembling after empty spring bolster component, further include workbench, inflation set
Standby and first pressure detection device, the workbench include pedestal, and empty spring bolster component is mounted on the base, in empty spring bolster group
It is separately installed with support post on the pedestal of part two sides, at the top of two support posts across a locking arm is installed, in empty spring
Pressing plate is installed, locking arm and pressing plate are located at the top of empty spring bolster component for limiting empty spring between bolster component and locking arm
The inflation height of bolster component, charger and first pressure detection device respectively on empty spring bolster component inflatable interface and
Detect interface connection.
Further, the pressing plate can be independently mounted between sky spring bolster component and locking arm.
Further, the pressing plate is made of the handle of convex beam and convex beam two sides above dish type pressing plate, dish type pressing plate, test
Shi Suoshu dish type pressing plate is pressed on sky spring bolster component, and the convex beam is pressed on locking arm.
Further, parallel stiffening plate there are two being respectively set in the two sides of the convex beam, pacifies between two stiffening plates
A cross bar is filled as handle.
Further, the locking arm is arranged to the structure that can be rotated around one of support post.
Further, screw-rod structure is installed at the top of the support post, one end of the locking arm has mounting hole,
It is rotated on the screw rod of suit at one end and around the screw rod, the other end of the locking arm has semicircle socket, and it is real to can be inserted into screw rod
Now fixed or disengaging screw rod realizes rotation, and nut is installed on the screw rod and realizes being locked for locking arm.
Further, the charger is bleed pressure trolley, and the air inlet of bleed pressure trolley is connect with workshop gas source,
There are bleed pressure trolley one or more gas outlets to connect respectively from different inflatable interfaces.
Further, the first cut-out cock, filtering pressure reducing valve and second pressure detection have been sequentially connected in series at the air inlet
Equipment has been sequentially connected in series the second cut-out cock and third pressure checking device at the gas outlet.
Further, one group of support post and locking arm are installed in the two sides of bogie respectively, is used for while being bogie two
The empty spring bolster component of side does air-tight test.
A kind of to sum up content, bogie tightness test device described in the utility model, has the advantages that
(1) device, which combines, hangs the design feature that sky rail turns to aerial spring bolster, and it is aerial to realize the empty rail steering of suspension
Gas spring bolster air seal test, by the device monitoring be filled with sky spring bolster component bleed pressure variation come determine assembling after
Whether air spring and bolster meet air-tightness technical requirements.
(2) device has the advantages that structure is simple and convenient to operate, is safe and reliable, has saved assembling, the test of bogie
Time improves production efficiency, also ensures the personnel of test process and the safety of components.
(3) device can test the empty spring bolster air-tightness of different size by the pressing plate of selection different size,
It is versatile, reduce bogie testing cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram after the assembling of the utility model experimental rig；
Fig. 2 is the utility model experimental rig structural schematic diagram；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the utility model pressure plate structure schematic diagram；
Fig. 5 is the utility model bleed pressure trolley schematic diagram of gas circuit.
As shown in Figures 1 to 5, bolster 1, air spring 2, empty spring mounting base 3, inflatable interface 4, detection interface 5, pedestal 6,
Support post 7, locking arm 8, pressing plate 9, dish type pressing plate 9a, convex beam 9b, handle 9c, stiffening plate 9d, screw rod 10, semicircle socket 11,
Nut 12, mounting hole 13, air inlet 14, gas outlet 15, the first cut-out cock 16, filtering pressure reducing valve 17, second pressure detection are set
Standby 18, the second cut-out cock 19, third pressure checking device 20, bogie 21.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing:
As shown in Figure 1 to Figure 3, a kind of bogie tightness test device provided by the utility model, after assembling
Empty spring bolster component, the two sides of a bogie 21 are respectively provided with one group of sky spring bolster component, which can be to wherein one group sky
Spring bolster component is tested, and can also be surveyed simultaneously to two groups of sky spring bolster components.
Every group of sky spring bolster component includes bolster 1, air spring 2 and empty spring mounting base 3, and air spring 2 is mounted on bolster 1
Top, empty spring mounting base 3 are mounted on 2 top of air spring.Setting is 4 He of inflatable interface of free spring bolster component on bolster 1
Interface 5 is detected, is that bolster 1 and air spring 2 are inflated by inflatable interface 4, bolster 1 and air bullet is detected by detection interface 5
Air pressure in spring 2.
Experimental rig includes three workbench, charger and first pressure detection device parts.Workbench is for installing
Fixed sky spring bolster component, charger are used to inflate by inflatable interface 4 to bolster 1 and air spring 2 and make the blowing pressure
Meet test requirements document, first pressure detection device is used to detect the gas source of 2 entirety of bolster 1 and air spring by detection interface 5
Pressure change, to judge whether the air-tightness of bolster 1 and air spring 2 meets standard requirements, the choosing of first pressure detection device
Use digital display manometer.
It is illustrated by taking the corresponding wherein experimental rig of one group of sky spring bolster component as an example below.
Workbench includes pedestal 6, support post 7, locking arm 8 and pressing plate 9.Two bolster 1 on one bogie 21 are same
When be mounted on a pedestal 6.It is separately installed with support post 7 in the two sides of each bolster 1, the bottom end of support post 7 is fixed
On pedestal 6, at the top of two support posts 7 across one locking arm 8 of installation, pacify between empty spring mounting base 3 and locking arm 8
Fill one or more pressing plate 9.Locking arm 8 and pressing plate 9 are located at the surface of empty spring mounting base 3, for limiting filling for air spring 2
Gas height.
In the present embodiment, locking arm 8 is arranged to that 360 ° can be carried out around one of support post 7 for operating easily,
The structure of rotation.Specifically, being fitted with the structure of screw rod 10 at the top of each support post 7, screw rod 10 can be welded directly
On support post 7.One end of locking arm 8 has circular mounting hole 13, and the other end has semicircle socket 11.The installation of one end
Hole 13 is sleeved on the smooth shaft part of the screw rod 10 of corresponding end, and locking arm 8 can be rotated around the screw rod 10 at the end.Locking arm 8 is another
The semicircle socket 11 of one end test when insertion corresponding end screw rod 10 on, realize locking arm 8 fixation, before test or after
The screw rod 10 can be detached from and realize that locking arm 8 is rotated around the screw rod 10 of the other end.It is separately installed with nut 12 on two screw rods 10,
After empty spring bolster component is installed in place, locking arm 8 is rotated to testing position, nut 12 is tightened and locking arm 8 is locked.
In the present embodiment, the mounting height of support post 7 and locking arm 8 be it is fixed, in favor of short form test device
Structure, pressing plate 9 can be then independently mounted between sky spring bolster component and locking arm 8, and air spring 2, which fills after wind height rises, to be locked
The pressing plate 9 on empty 3 top of spring mounting base, the mounting height of locking arm 8 and the thickness of pressing plate 9 collectively define filling for air spring 2
Gas height.By selecting the pressing plate 9 of different size, the empty spring bolster air-tightness of different size can be tested, is not only increased
The versatility of the device reduces bogie testing cost, while operation also facilitates.
As shown in figure 4, pressing plate 9 is preferably by one piece of dish type pressing plate 9a, the top dish type pressing plate 9a for the ease of installing pressing plate 9
Convex beam 9b and the two sides convex beam 9b handle 9c composition, dish type pressing plate 9a can be rectangular or round, and convex beam 9b is welded on dish type
Above pressing plate 9a, convex beam 9b is main spar, is respectively arranged with leader 9c in the two sides of convex beam 9b.In the present embodiment, in convex beam
The two sides of 9b are respectively welded there are two parallel stiffening plate 9d, a cross bar are welded between two stiffening plate 9d as handle 9c,
Not only convenient for users to operation, while it is also ensured that pressing plate 9 overall structural strength.When test, dish type pressing plate 9a is pressed in sky
In spring mounting base 3, convex beam 9b is pressed on locking arm 8.
As shown in Figure 1, Figure 2 and shown in Fig. 5, in the present embodiment, charger is bleed pressure trolley (not shown), gas source
The air inlet 14 of pressure trolley is connect by tracheae with workshop gas source, and there are bleed pressure trolley one or more gas outlets 15 to divide
Not Tong Guo the tracheae inflatable interface 4 different from bogie connect, realize the function of multichannel air feed, and can realize by one
Bleed pressure trolley is that two groups of bolster 1 and air spring 2 are inflated simultaneously.The first cut-out cock has been sequentially connected in series at air inlet 14
16, filtering pressure reducing valve 17 and second pressure detection device 18 have also been sequentially connected in series 19 He of the second cut-out cock at gas outlet 15
Third pressure checking device 20.Filtering pressure reducing valve 17 can be filtered drying to the air of gas source, at the same to bleed pressure value into
Row is adjusted to meet test requirements document.Second pressure detection device 18 and third pressure checking device 20 select digital display manometer,
For detecting the bleed pressure of inlet end and the bleed pressure of outlet side, guarantee the bleed pressure for being filled with air spring 2 and bolster 1
Value meets test requirements document.Second cut-out cock 19 is used for the gas path on-off according to test demand control difference gas outlet 15.
Test process is described below in detail:
(1) bolster 1 is lifted to air tightness test-bed, air spring 2 and empty spring mounting base 3 is then assembled to bolster 1
On.
(2) pressing plate 9 is placed on 3 central location of sky spring mounting base, rotation lock arm 8, pressing plate 9 is in locking arm 8
Locking arm 8 is locked by nut 12 to just in underface.
(3) air inlet 14 of bleed pressure trolley is connect with workshop gas source, further according to test need by gas outlet 15 with
The inflatable interface 4 of bolster 1 connects, and opens the first cut-out cock 16, adjusts bleed pressure to specified value.
(4) the second cut-out cock 19 on bleed pressure trolley is opened, is filled with wind regime into bolster 1 and air spring 2, it is empty
The height of gas spring 2 rises, until pressing plate 9 is pressed between locking arm 8 and empty spring mounting base 3, passes through pressing plate 9 and locking arm
8 carry out the limit that air spring 2 inflates height.
(5) reinflated to set pressure to test after air spring 2 is inflated to setting height, start to carry out pressure maintaining timing,
The pressure change in air spring 2 and bolster 1 is detected within the dwell time of setting, and air spring is judged according to change value of pressure
2 and the air-tightness of bolster 1 whether meet the requirements.
The device, which combines, hangs the design feature that empty rail turns to aerial spring bolster, realizes the empty rail bogie air bullet of suspension
Spring bolster air seal test is filled with the bleed pressure variation of sky spring bolster component by the device monitoring to determine the air after assembling
Whether spring and bolster meet air-tightness technical requirements.The device have structure be simple and convenient to operate, be versatile, safety can
By the advantages of, saved assembling, the testing time of bogie, improved production efficiency, also ensure test process personnel and
The safety of components.
As described above, the plan content given by conjunction with the accompanying drawings and embodiments, can derive similar technical solution.But
All contents without departing from technical solutions of the utility model, it is made by the above technical examples according to the technical essence of the present invention
Any simple modification, equivalent change and modification are still within the scope of the technical solutions of the present invention.
Claims (9)
1. a kind of bogie tightness test device, including the empty spring bolster component after assembling, it is characterised in that: further include work
Platform, charger and first pressure detection device, the workbench include pedestal, and empty spring bolster component is mounted on the base,
It is separately installed with support post on the pedestal of empty spring bolster component two sides, is locked at the top of two support posts across installation one
Arm, is equipped with pressing plate between empty spring bolster component and locking arm, and the top that locking arm and pressing plate are located at empty spring bolster component is used
In the inflation height for limiting empty spring bolster component, charger and first pressure detection device are respectively and on empty spring bolster component
Inflatable interface is connected with detection interface.
2. a kind of bogie tightness test device according to claim 1, it is characterised in that: the pressing plate can independently pacify
Between empty spring bolster component and locking arm.
3. a kind of bogie tightness test device according to claim 2, it is characterised in that: the pressing plate is by dish type pressure
The handle of convex beam and convex beam two sides above plate, dish type pressing plate forms, and when test, the dish type pressing plate was pressed in sky spring bolster component
On, the convex beam is pressed on locking arm.
4. a kind of bogie tightness test device according to claim 3, it is characterised in that: in the two sides of the convex beam
Parallel stiffening plate there are two being respectively set, installs a cross bar as handle between two stiffening plates.
5. a kind of bogie tightness test device according to claim 1, it is characterised in that: the locking arm is set
For the structure that can be rotated around one of support post.
6. a kind of bogie tightness test device according to claim 5, it is characterised in that: in the support post
Top is equipped with screw-rod structure, and one end of the locking arm has mounting hole, is set on screw rod at one end and revolves around the screw rod
Turn, the other end of the locking arm has semicircle socket, can be inserted into screw rod and realizes that fixing or be detached from screw rod realizes rotation, described
Nut is installed on screw rod and realizes being locked for locking arm.
7. a kind of bogie tightness test device according to claim 1, it is characterised in that: the charger is gas
The air inlet of source pressure trolley, bleed pressure trolley is connect with workshop gas source, and bleed pressure trolley has one or more outlets
Mouth is connected from different inflatable interfaces respectively.
8. a kind of bogie tightness test device according to claim 7, it is characterised in that: at the air inlet according to
It is secondary to be serially connected with the first cut-out cock, filtering pressure reducing valve and second pressure detection device, has been sequentially connected in series at the gas outlet
Two cut-out cocks and third pressure checking device.
9. a kind of bogie tightness test device according to any one of claims 1 to 8, it is characterised in that: turning to
One group of support post and locking arm are installed in the two sides of frame respectively, for simultaneously for bogie two sides empty spring bolster component do it is airtight
Property test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920256003.XU CN209432383U (en) | 2019-02-28 | 2019-02-28 | A kind of bogie tightness test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920256003.XU CN209432383U (en) | 2019-02-28 | 2019-02-28 | A kind of bogie tightness test device |
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| Publication Number | Publication Date |
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| CN209432383U true CN209432383U (en) | 2019-09-24 |
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| CN201920256003.XU Active CN209432383U (en) | 2019-02-28 | 2019-02-28 | A kind of bogie tightness test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115401516A (en) * | 2022-10-14 | 2022-11-29 | 中车南京浦镇车辆有限公司 | Machining method and device for preventing scrap iron in swing bolster air chamber |
-
2019
- 2019-02-28 CN CN201920256003.XU patent/CN209432383U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115401516A (en) * | 2022-10-14 | 2022-11-29 | 中车南京浦镇车辆有限公司 | Machining method and device for preventing scrap iron in swing bolster air chamber |
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