CN107702917A - A kind of EMUs gear-box forms static test bed - Google Patents
A kind of EMUs gear-box forms static test bed Download PDFInfo
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- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
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- 239000011888 foil Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
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- 229910000831 Steel Inorganic materials 0.000 claims description 4
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Classifications
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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
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/021—Gearings
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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
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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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
- G01M17/00—Testing of vehicles
- G01M17/08—Railway vehicles
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Abstract
The present invention relates to a kind of EMUs gear-box to form static test bed, including test platform, stall support, C-shaped support frock, counter flange, torquemeter and torquemeter support；C-shaped support frock, stall support and torquemeter support are arranged on test platform by bolt respectively；C-shaped support frock is made up of adjustable plate, contiguous block and C-shaped support frock main body；C-shaped support frock main body is provided with multigroup screwed hole, and adjustable plate is provided with through hole, is fixedly connected by bolt with C-shaped support frock main body；Contiguous block is in adjustable plate groove；Test platform structure is compact, and tooling bracket can adjust, and forms, can be simulated under real vehicle running environment suitable for the gear-box of different model, the assembling situation of gear-box composition；Connection instead of bolt using straight pin between flange, and structural strength is high；The design of stall support is easily installed positioning, and plays position-limiting action；Testing stand loading accuracy is high, faster system response, and visualization is high, simple to operate, and operating efficiency is high.
Description
Technical field
The present invention relates to a kind of test device, specifically a kind of EMUs gear-box composition static test bed.
Background technology
With the fast development of China Express Railway in recent years, the key zero that traction drive travels as vehicle
Part, the quality of its performance directly affect the performance of bogie, and its reliability service is related to the traffic safety of the railway system.As leading
Drawing the core component in transmission system --- gear-box forms, and its reliability service is the most important thing for ensureing whole system safety.
Therefore the inspection to gear-box composition, experiment are particularly important.
According to《Chinese Railway parent company railway special product management measures for certification》(the total science and technology [2014] 135 of iron), in
The railway special product certification of railway parent company of state accept and believe in catalogue require bogie critical component EMUs gear-box is formed into
Row testing inspection.The requirement of the standards of TJ/CL 277 forms to gear-box carries out static test, and its static test includes support static strength
Experiment and casing test of static strength.
At present, EMUs gear-box composition static test bed is less, is loaded mostly using manpower mode, and support is quiet strong
Degree experiment and casing test of static strength are all to carry out respectively, i.e., C-shaped support or the gear-box composition individually formed to gear-box
Casing is tested, and tooling bracket is not applied for the gear-box composition of different model, and it is low reliability to be present, operating efficiency
It is low, the problem of labor intensive.Apply moment of torsion in experiment and be up to tens thousand of Nm, the problems such as loading is difficult, and control is not accurate enough be present.For
More efficiently, strength character that is reliable, fully verifying gear-box composition, ensure mechanical transmission component operation safety, can
Lean on, it is necessary to develop the static test bed for being applied to Multiple Type EMUs gear-box composition.
The content of the invention
It is an object of the invention to provide a kind of EMUs gear-box to form static test bed, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical scheme：
A kind of EMUs gear-box forms static test bed, including test platform, stall support, C-shaped support frock, transition
Flange, torquemeter and torquemeter support；
C-shaped support frock, stall support and torquemeter support are arranged on test platform by bolt respectively；C-shaped support
Frock is made up of adjustable plate, contiguous block and C-shaped support frock main body；C-shaped support frock main body is provided with multigroup screwed hole, regulation
Plate is provided with through hole, is fixedly connected by bolt with C-shaped support frock main body；Contiguous block is in adjustable plate groove.
It is tested gear-box composition C-shaped support and adjustable plate and contiguous block assembly connection.
The riser of stall support is provided with circular groove, and the dimensional fits subject gear-box composition output end diameter of axle is circular recessed
Uniform through hole is provided with groove；Stall number of holders is two, the output shaft of two stall support support subject gear-box compositions,
Output shaft end is evenly distributed with screwed hole, and two stall supports pass through bolt and output axis connection；The hold-carrying of counter flange one
The size matching subject gear-box composition input coupling size in the hole in blue face, it is defeated by straight pin and subject gear-box composition
Enter to hold shaft coupling to connect, torque sensor flange size on the size matching torquemeter in the hole of another end flange face, pass through cylinder
Pin is connected with torque sensor flange on torquemeter.
Torquemeter is made up of hydraulic servo pump and torque sensor.Torquemeter bottom is connected by bolt and torquemeter support
Connect, torque sensor is included on torquemeter, torque sensor flange is connected with torque sensor, torque sensor flange passes through
Straight pin is connected with counter flange.
As the further scheme of the present invention：Test platform is provided with uniform T-slot, and c-type tooling bracket is in test platform
On can adjust installation site.
As the further scheme of the present invention：Test platform is provided with four suspension ring.
As the further scheme of the present invention：C-shaped support frock main body is that steel plate welds to be formed, and is provided with gusset form.
Before on-test, C-shaped support frock, torquemeter support and stall support are installed on test platform, but it is not tight
Gu foundation bolt；Torquemeter is arranged on torquemeter support, whether the fluid pressure line and data wire for checking connection torquemeter connect
Connect normal, torquemeter data wire connection host computer；
Foil gauge is pasted into the point position that subject gear-box composition needs to detect, subject gear-box forms C-shaped support and subject
Gear-box composition casing need not be dismantled, and subject gear-box directly is formed into integral installation on test platform 1, is tested gear-box
Composition output shaft corresponds to stall support circular groove, alignment head screwed hole position, gear-box composition output will be tested by bolt
Axle is fixedly connected with stall support；Gear-box composition C-shaped support is tested to connect by bolt hole position corresponding with C-shaped support frock,
The input axle center height of adjustment subject gear-box composition and subject gear-box composition output end axle center are highly consistent, and are locked
C-shaped support frock, the big end of counter flange is corresponding with subject gear-box composition input shaft coupling hole position, assembled by straight pin
Connection, counter flange small end is corresponding with torquemeter torque sensor flange hole position, pass through straight pin assembly connection；Tooth will be tested
Input eliminates with gear of output end gap in roller box composition, and fastening foundation bolt；
During on-test, HYDRAULIC CONTROL SYSTEM torquemeter output torque, torque sensor flange applies to counter flange to be turned round
Square, counter flange drive subject gear-box composition input shaft coupling, apply moment of torsion to whole subject gear-box composition；Loaded
Cheng Zhong, stall branch erect the effect for preventing subject gear-box composition output shaft rotation；It is defeated that whole process is tested gear-box composition
Enter axle loading moment of torsion, subject gear-box composition output shaft stall, so as to detect the stress situation for the position for pasting foil gauge；It is upper
Machine can be with Real-time Feedback load condition and the stress situation of foil gauge position.
Load mode clicks on loading with loading spectrum mode or manually, is loaded when with loading spectrum mode, then need to be in host computer
Loading frequency and loading limit value are set.
Pass through the forward and reverse of PC control torquemeter.
Adjustable plate can the regulation assembling, and the company of adjustable plate up and down in C-shaped support frock main body according to test height demand
The size of junction meets subject gear-box composition C-shaped support size, and c-type is formed with subject gear-box to reach C-shaped support frock
Support close fit.
The shape of contiguous block is designed as U-shaped, forms C-shaped support with subject gear-box to reach C-shaped support frock and closely fills
Match somebody with somebody.
Compared with prior art, the beneficial effects of the invention are as follows：Existing experimental rig can only individually carry out support static strength
Experiment and casing test of static strength, i.e., individually subject gear-box composition C-shaped support or subject gear-box composition casing are tried
Test, and tooling bracket is not applied for the gear-box composition of different model, is loaded mostly using manpower mode, in this case
The experiment of progress, it is impossible to meet real vehicle running environment, the problem of reliability is low, and operating efficiency is low, labor intensive be present.This experiment
Platform can be simulated under real vehicle running environment, the assembling situation of gear-box composition, can carry out stented test test of static strength and case simultaneously
Body test of static strength.This test platform structure is compact, and tooling bracket can adjust, and goes for the gear-box group of variety classes model
Into applied widely；Apply moment of torsion in experiment and be up to tens thousand of Nm, the problems such as loading is difficult, and control is not accurate enough, this experiment be present
The torquemeter that platform design is formed using hydraulic servo pump and torque sensor, forms closed-loop control system, solves existing examination
Experiment device applies the difficult technical problem of big static load moment of torsion；Connection instead of bolt using straight pin between flange, and structural strength is high；
Stall support is provided with and the groove of gearbox output diameter of axle matching, is easily installed positioning, spacing work is may also function as in experiment
With；Testing stand is loaded by hydraulic control system, and loading accuracy is high, and system response time is fast, and control power is big, can pass through
Host computer real-time monitored is fed back, and man-machine interaction can be achieved, visualization is high, simple to operate, saves manpower, operating efficiency
It is high.
Brief description of the drawings
Fig. 1 is the graphics that EMUs gear-box forms static test bed.
Fig. 2 is the top view that EMUs gear-box forms static test bed.
Fig. 3 is the left view that EMUs gear-box forms static test bed.
Fig. 4 is the graphics of C-shaped support frock.
Fig. 5 is the graphics of stall support.
Fig. 6 is the graphics of counter flange.
Wherein：1- test platforms, 2- stall supports, 3- subject gear-box compositions, 4-C type support frocks, 5- counter flanges,
6- torquemeters, 7- suspension ring, 8- torquemeter supports, 31- subject gear-box composition input shaft couplings, 32- subject gear-box compositions C
Type support, 33- subject gear-box composition casings, 41- contiguous blocks, 42- adjustable plates, 43-C type support frock main bodys, 61- moments of torsion pass
Sensor flange.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Fig. 1-6 are referred to, a kind of EMUs gear-box forms static test bed, including test platform 1, stall support 2, C
Type support frock 4, counter flange 5, torquemeter 6 and torquemeter support 8；C-shaped support frock 4, stall support 2 and torquemeter support
8 are arranged on test platform 1 by bolt respectively；C-shaped support frock 4 is by adjustable plate 42, contiguous block 41 and C-shaped support frock master
Body 43 forms；C-shaped support frock main body 43 is provided with multigroup screwed hole, and adjustable plate 42 is provided with through hole, passes through bolt and C-shaped support
Frock main body 43 is fixedly connected；Contiguous block 41 is in the groove of adjustable plate 42；It is tested gear-box composition C-shaped support 32 and adjustable plate
42 and the assembly connection of contiguous block 41.
Adjustable plate 42 can the regulation assembling, and adjustable plate up and down in C-shaped support frock main body 43 according to test height demand
The size of 42 joint face meets the subject gear-box composition size of C-shaped support 32, to reach C-shaped support frock and subject gear-box
Form the close fit of C-shaped support 32.
The shape of contiguous block 41 is designed as U-shaped, is easily installed, and C is formed with subject gear-box to reach C-shaped support frock 4
The close fit of type support 32.
Test platform 1 is provided with uniform T-slot, and installation site can be adjusted flexibly in tooling bracket on test platform.Examination
Test platform and be provided with four suspension ring 7, be moved easily whole static test bed.
C-shaped support frock 4, stall support 2 and the position of torquemeter support 8 can be according to the positions of the assembling of subject gear-box composition 3
Put and be adjusted.
C-shaped support frock main body 43 is that steel plate welds to be formed, and is provided with gusset form, plays a part of to strengthen bulk strength.C
Type support frock main body 43 is provided with multigroup screwed hole, and adjustable plate 42 can be according to experiment demand height up and down, adjustable plate
42 are provided with through hole, are fixedly connected by bolt with C-shaped support frock main body 43.Contiguous block 41 is in the groove of adjustable plate 42.Examination
When testing, subject gear-box composition C-shaped support 32 and adjustable plate 42 and the assembly connection of contiguous block 41.
Stall support 2 is that steel plate welds to be formed, and the riser of stall support 2 is provided with circular groove, dimensional fits subject tooth
Roller box forms the 3 output end diameters of axle, and uniform through hole is provided with circular groove；Design the convenient installation positioning of circular groove.Stall branch
The quantity of frame 2 is two, and the output shaft of the two support subject gear-box of stall support 2 compositions 3, output shaft end is evenly distributed with spiral shell
Pit, two stall supports 2 by the output axis connection of bolt and examination gear-box composition 3, play stall during experiment.
The size of size matching subject gear-box composition input shaft coupling 31 in the hole in the end flange face of counter flange 5, leads to
Cross straight pin to be connected with subject gear-box composition input shaft coupling 31, the size matching torquemeter 6 in the hole of another end flange face
The upper size of torque sensor flange 61, it is connected by straight pin with torque sensor flange 61 on torquemeter 6.During experiment,
This part-structure can be by great shearing force, if be connected by screw bolts, and bolt anti-shear ability is poor, easily damages, and uses
Cylinder latch structure can strengthen overall structure, not cracky.
Torquemeter 6 is made up of hydraulic servo pump and torque sensor.The bottom of torquemeter 6 passes through bolt and torquemeter support
8 connect, and include torque sensor on torquemeter 6, torque sensor flange 61, torque sensor method are connected with torque sensor
Orchid 61 is connected by straight pin with counter flange 5.
The present invention operation principle be：
Before on-test, C-shaped support frock 4, torquemeter support 8 and stall support 2 are installed on test platform 1, but
Loosely foot bolt.Torquemeter 6 is arranged on torquemeter support 8, checks the fluid pressure line and data wire of connection torquemeter 6
Whether normal, torquemeter 6 data wire connection host computer is connected.
Gear-box will be tested and form the 3 point positions stickup foil gauges for needing to detect, such as in subject gear-box composition C-shaped support 32
On upper or subject gear-box composition casing 33.
Subject gear-box composition C-shaped support 32 and subject gear-box composition casing 33 need not be dismantled, and will directly be tested tooth
Roller box forms 3 integral installations on test platform 1, and subject gear-box forms 3 output shafts and corresponds to the circular groove of stall support 2, right
Quasi- head screwed hole position, gear-box 3 output shafts of composition will be tested by bolt and be fixedly connected with stall support 2.It is tested gear-box
Form C-shaped support 32 to connect with 4 corresponding hole position of C-shaped support frock by bolt, the input axle of adjustment subject gear-box composition 3
Heart height and subject gear-box form 3 output end axle center and are highly consistent, and locking C-shaped support frock 4 is big by counter flange 5
End is corresponding with subject gear-box composition input 31 hole positions of shaft coupling, by straight pin assembly connection, by the small end of counter flange 5 and
The hole position of 6 torque sensor flange of torquemeter 61 is corresponding, passes through straight pin assembly connection.Input in gear-box composition 3 will be tested
Eliminated with gear of output end gap, and fastening foundation bolt, each position connection status is checked, preparation starts to test.
Load mode can use loading spectrum mode or click on loading manually, such as be loaded with loading spectrum mode, then need to be upper
Loading frequency and loading limit value are set in machine.
During on-test, the output torque of HYDRAULIC CONTROL SYSTEM torquemeter 6, torque sensor flange 61 is applied to counter flange 5
Add moment of torsion, counter flange 5 drives subject gear-box composition input shaft coupling 31, applies to whole subject gear-box composition 3 and turns round
Square.In loading procedure, stall support 2 plays a part of to prevent subject gear-box from forming 3 output shaft rotations.Whole process is tested tooth
Roller box forms 3 input shafts loading moment of torsion, and subject gear-box forms 3 output shaft stalls, so as to detect the position of stickup foil gauge
Stress situation.Host computer can be with Real-time Feedback load condition and the stress situation of foil gauge position, and visualization is high, torquemeter
6 can forward and reverse loaded, meet requirement of the standard to experiment.The forward and reverse of torquemeter 6 pass through PC control.
This testing stand can be simulated under real vehicle running environment, the assembling situation of gear-box composition, can carry out stented test simultaneously
Test of static strength and casing test of static strength.This test platform structure is compact, and tooling bracket can adjust, and goes for variety classes
The gear-box composition of model, it is applied widely；Apply moment of torsion in experiment and be up to tens thousand of Nm, loading difficulty be present, control is not smart enough
The problems such as true, the torquemeter that this Test-bed Design is formed using hydraulic servo pump and torque sensor, form closed-loop control system
System, solve existing experimental rig and apply the difficult technical problem of big static load moment of torsion；Connection instead of using straight pin between flange
Bolt, structural strength are high；Stall support is provided with and the groove of gearbox output diameter of axle matching, is easily installed positioning, tests
In may also function as position-limiting action；Testing stand is loaded by hydraulic control system, and loading accuracy is high, and system response time is fast,
Control power big, can be fed back by host computer real-time monitored, man-machine interaction can be achieved, visualization is high, simple to operate, saves
Manpower, operating efficiency are high.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, can also be on the premise of this patent objective not be departed from one skilled in the relevant art's possessed knowledge
Make a variety of changes.
Claims (9)
1. a kind of EMUs gear-box forms static test bed, it is characterised in that including test platform, stall support, C-shaped support
Frock, counter flange, torquemeter and torquemeter support；
C-shaped support frock, stall support and torquemeter support are arranged on test platform by bolt respectively；C-shaped support frock
It is made up of adjustable plate, contiguous block and C-shaped support frock main body；C-shaped support frock main body is provided with multigroup screwed hole, and adjustable plate is set
There is through hole, be fixedly connected by bolt with C-shaped support frock main body；Contiguous block is in adjustable plate groove；
It is tested gear-box composition C-shaped support and adjustable plate and contiguous block assembly connection；
The riser of stall support is provided with circular groove, the dimensional fits subject gear-box composition output end diameter of axle, in circular groove
Provided with uniform through hole；Stall number of holders is two, the output shaft of two stall support support subject gear-box compositions, output
Shaft end is evenly distributed with screwed hole, and two stall supports pass through bolt and output axis connection；Counter flange end flange face
Hole size matching subject gear-box composition input coupling size, pass through straight pin with subject gear-box form input
Shaft coupling connects, torque sensor flange size on the size in the hole of another end flange face matching torquemeter, by straight pin with
Torque sensor flange connects on torquemeter；
Torquemeter is made up of hydraulic servo pump and torque sensor, and torquemeter bottom is connected by bolt with torquemeter support,
Torque sensor is included on torquemeter, torque sensor flange is connected with torque sensor, torque sensor flange passes through circle
Pin is connected with counter flange.
2. a kind of EMUs gear-box composition static test bed according to claim 1, it is characterised in that test platform is set
There is uniform T-slot, c-type tooling bracket can adjust installation site on test platform.
3. a kind of EMUs gear-box composition static test bed according to claim 1, it is characterised in that on test platform
Provided with four suspension ring.
A kind of 4. EMUs gear-box composition static test bed according to claim 1, it is characterised in that C-shaped support work
Dress main body is that steel plate welds to be formed, and is provided with gusset form.
5. a kind of EMUs gear-box composition static test bed of the application as described in claim 1-4 any one, its feature exist
In, before on-test, C-shaped support frock, torquemeter support and stall support are installed on test platform, but loosely pin
Bolt；Torquemeter is arranged on torquemeter support, whether the fluid pressure line and data wire for checking connection torquemeter connect normally,
Torquemeter data wire connects host computer；
Foil gauge is pasted into the point position that subject gear-box composition needs to detect, subject gear-box forms C-shaped support and subject gear
Case composition casing need not be dismantled, and subject gear-box directly is formed into integral installation on test platform 1, subject gear-box composition
Output shaft corresponds to stall support circular groove, alignment head screwed hole position, by bolt will be tested gear-box form output shaft with
Stall support is fixedly connected；It is tested gear-box composition C-shaped support to connect by bolt hole position corresponding with C-shaped support frock, adjustment
The input axle center height of subject gear-box composition and subject gear-box composition output end axle center are highly consistent, and lock c-type
Support frock, the big end of counter flange is corresponding with subject gear-box composition input shaft coupling hole position, assembled and connected by straight pin
Connect, counter flange small end is corresponding with torquemeter torque sensor flange hole position, pass through straight pin assembly connection；Gear will be tested
Input eliminates with gear of output end gap in case composition, and fastening foundation bolt；
During on-test, HYDRAULIC CONTROL SYSTEM torquemeter output torque, torque sensor flange applies moment of torsion, mistake to counter flange
Cross flange and drive subject gear-box composition input shaft coupling, apply moment of torsion to whole subject gear-box composition；In loading procedure,
Stall branch erects the effect for preventing subject gear-box composition output shaft rotation；Whole process is tested gear-box composition input shaft and added
Carry moment of torsion, subject gear-box composition output shaft stall, so as to detect the stress situation for the position for pasting foil gauge；Host computer can be with
Real-time Feedback load condition and the stress situation of foil gauge position.
6. according to the method for claim 5, it is characterised in that load mode clicks on loading with loading spectrum mode or manually,
Loaded when with loading spectrum mode, then loading frequency and loading limit value need to be set in host computer.
7. according to the method for claim 5, it is characterised in that pass through the forward and reverse of PC control torquemeter.
8. according to the method for claim 5, it is characterised in that adjustable plate can be according to test height demand in C-shaped support work
Fill main body on up and down regulation assembling, and the size of the joint face of adjustable plate meet subject gear-box composition C-shaped support size, with up to
To C-shaped support frock and subject gear-box composition C-shaped support close fit.
9. according to the method for claim 5, it is characterised in that the shape of contiguous block be designed as it is U-shaped, to reach C-shaped support
Frock and subject gear-box composition C-shaped support close fit.
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| CN201711083440.8A CN107702917A (en) | 2017-11-07 | 2017-11-07 | A kind of EMUs gear-box forms static test bed |
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| CN201711083440.8A CN107702917A (en) | 2017-11-07 | 2017-11-07 | A kind of EMUs gear-box forms static test bed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108983098A (en) * | 2018-08-15 | 2018-12-11 | 上海市特种设备监督检验技术研究院 | A kind of braking motor pilot system |
| CN109187008A (en) * | 2018-09-13 | 2019-01-11 | 中国航发湖南动力机械研究所 | Gear hub adds torsion device |
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