CN109115493A - A kind of testing stand for axle load adjustment - Google Patents
A kind of testing stand for axle load adjustment Download PDFInfo
- Publication number
- CN109115493A CN109115493A CN201811029488.5A CN201811029488A CN109115493A CN 109115493 A CN109115493 A CN 109115493A CN 201811029488 A CN201811029488 A CN 201811029488A CN 109115493 A CN109115493 A CN 109115493A
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- wheel shaft
- electric machine
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- 238000012360 testing method Methods 0.000 title claims abstract description 44
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 238000004088 simulation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 5
- 230000006870 function Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009711 regulatory function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- G01M17/10—Suspensions, axles or wheels
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A kind of testing stand for axle load adjustment, it is related to track and equips the technical field built, the present invention is by using different driving methods, detection driving wheel pair and driven wheel pair can be merged, meet engineering truck wheel to diversity etc., the present invention passes through simulation axle load operating condition simultaneously, it can accurately detect the load operation temperature of bearing, reduce the quality fault of bearing temperature alarm, reduce the cost of overhaul etc. of engineering truck, the present invention has the features such as easy to operate, safe and reliable, is suitble to large-scale promotion and application.
Description
Technical field
The present invention relates to tracks to equip the technical field built, and in particular to a kind of test for axle load adjustment
Platform.
Background technique
Known, existing wheel shaft running-in test equipment is not able to satisfy the test that engineering truck wheel assembles gear-box and wheel shaft
It is required that it is as follows to be primarily present problem:
1, existing wheel does not have wheel to axis weight regulatory function to motor running-in test equipment, and unloaded running-in test can not detect bearing
Load operation situation, it is qualified to unloaded running-in test to there is wheel, but during line load test run, still generation axis temperature report
The quality faults such as police, vibration alarming.
2, existing wheel spindle motor running-in test equipment does not have wheel to rotary test speed function, general only detection motor speed.
3, existing wheel spindle motor running-in test equipment compatibility is poor, can only generally meet the running-in test of single variety wheel shaft
Deng.
Summary of the invention
To overcome deficiency present in background technique, the present invention provides it is a kind of for axle load adjustment testing stand,
The present invention can merge detection driving wheel pair and driven wheel pair, meet engineering truck wheel pair by using different driving methods
Diversity etc., the present invention have the features such as easy to operate, safe and reliable.
To realize that goal of the invention as described above, the present invention use technical solution as described below:
A kind of testing stand for axle load adjustment, including drive sprocket axle traction electric machine, pressing plate, traction electric machine position adjustment machine
Structure, wheel shaft driving wheel, follower shaft traction electric machine, wheel shaft rack, wheel to, wheel shaft driven wheel, shaft coupling B and gearbox B, in institute
It states the left side above wheel shaft rack and is equipped with traction electric machine position adjusting mechanism, be equipped with actively on traction electric machine position adjusting mechanism
Wheel shaft traction electric machine, the right on wheel shaft rack are equipped with follower shaft traction electric machine, the follower shaft traction electric machine
The power input shaft of gearbox B above wheel shaft rack is arranged in power output axis connection, and described former and later two power of gearbox B are defeated
Shaft is respectively connected to the wheel shaft driving wheel on wheel shaft rack by shaft coupling B, the wheel on the left of each wheel shaft driving wheel
It is respectively equipped with wheel shaft driven wheel on axis platform frame, pressure sensing is equipped on the tyre tread of the wheel shaft driven wheel or wheel shaft driving wheel
Device, the pressure sensor connect control cabinet, and the wheel shaft driven wheel and wheel shaft driving wheel are that interval setting forms supporting wheel systems,
Wheel pair is equipped in supporting wheel systems, the wheel is bonded the tyre tread of upper wheel with the tyre tread of wheel shaft driven wheel and wheel shaft driving wheel,
Pressure mechanism is equipped on wheel shaft rack on the outside of supporting wheel systems, with wheel to upper whorl axial below the pressure mechanism top board
Outer rim face contact simultaneously presses to wheel shaft, and the power output shaft of drive sprocket axle traction electric machine passes through the power of gearbox A fifth wheel pair
Input shaft forms the testing stand for axle load adjustment.
The described testing stand for axle load adjustment, the pressure mechanism include pressing plate, load cylinder and servo valve,
The pressing plate is set as two, and two pressing plates are interval setting, are respectively equipped with load cylinder in each pressing plate or so end, described
The lower end of load cylinder is fixed on wheel shaft rack, below the upper end connection pressing plate of load cylinder, each load cylinder
Oil inlet be separately connected the oil outlet of servo valve, the oil outlet of servo valve passes through piping connection hydraulic station respectively, servo valve
Control module passes through line connection control cabinet.
The described testing stand for axle load adjustment is equipped with V-block below the pressing plate, and the V-block is opened
The wheel shaft outer edge surface of mouth face respective shaft pair.
The described testing stand for axle load adjustment, the traction electric machine position adjusting mechanism include upper supporting block,
Lower supporting block, lead screw, shaft coupling A, speed reducer and motor, the lower supporting block are arranged in the upper surface of wheel shaft rack, in lower support
The upper surface of block is equipped with upper supporting block, is equipped with lead screw in the upper surface of upper supporting block, the end of the lead screw is subtracted by shaft coupling A connection
Fast machine, the power output shaft of the power input shaft connection motor of the speed reducer, is socketed screw on the outer edge surface of lead screw, described
Screw connects drive sprocket axle traction electric machine supporting plate.
The testing stand for axle load adjustment, the power of the drive sprocket axle traction electric machine are 50KW, speed regulation
Range is 0~3000r/min.
The testing stand for axle load adjustment, the power of the follower shaft traction electric machine are 30KW, speed regulation
Range is 0~3000r/min.
The testing stand for axle load adjustment, the wheel shaft rack are equipped with infrared temperature sensor, institute
The axle box of the detecting head respective shaft pair of infrared temperature sensor is stated, infrared temperature sensor connects control cabinet.
The testing stand for axle load adjustment, the wheel shaft rack are equipped with velocity sensor, the speed
The wheel of the detecting head respective shaft pair of sensor, velocity sensor connect control cabinet.
Using technical solution as described above, the present invention has superiority as described below:
The present invention can merge detection driving wheel pair and driven wheel pair, meet engineering truck by using different driving methods
Wheel is to diversity etc., while the present invention can accurately detect the load operation of bearing by simulation axle load operating condition
Temperature reduces the quality fault of bearing temperature alarm, reduces the cost of overhaul etc. of engineering truck, and the present invention has easy to operate, peace
The features such as complete reliable, it is suitble to large-scale promotion and application.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the schematic top plan view of Fig. 1；
In figure: 1, drive sprocket axle traction electric machine；2, gearbox A；3, pressing plate；4, load cylinder；5, traction electric machine position adjusts
Mechanism；5-1, upper supporting block；5-2, lower supporting block；5-3, lead screw；5-4, shaft coupling A；5-5, speed reducer；5-6, motor；6, it takes turns
Axis driving wheel；7, follower shaft traction electric machine；8, wheel shaft rack；9, wheel pair；10, wheel shaft driven wheel；11, shaft coupling B；12, become
Fast case B.
Specific embodiment
The present invention can be explained in more detail by the following examples, the invention is not limited to the following examples；
Firstly the need of explanation, "upper" that the present invention is used in description scheme, "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description with simplify describe, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore be not considered as limiting the invention.
A kind of testing stand for axle load adjustment in conjunction with described in attached drawing 1~2, including drive sprocket axle traction electric machine 1,
Pressing plate 3, traction electric machine position adjusting mechanism 5, wheel shaft driving wheel 6, follower shaft traction electric machine 7, wheel shaft rack 8, wheel are to 9, wheel
Axis driven wheel 10, shaft coupling B11 and gearbox B12, the left side on the wheel shaft rack 8 are adjusted equipped with traction electric machine position
Mechanism 5 is equipped with drive sprocket axle traction electric machine 1 on traction electric machine position adjusting mechanism 5, the drive sprocket axle traction electric machine 1
Power is 50KW, and speed adjustable range is 0~3000r/min, and the right on wheel shaft rack 8 is equipped with follower shaft traction electric machine 7,
The power of the follower shaft traction electric machine 7 is 30KW, and speed adjustable range is 0~3000r/min, the follower shaft traction electric machine
The power input shaft of gearbox B12 above wheel shaft rack 8, the front and back gearbox B12 two is arranged in 7 power output axis connection
A power output shaft is respectively connected to the wheel shaft driving wheel 6 on wheel shaft rack 8 by shaft coupling B11, drives in each wheel shaft
It is respectively equipped with wheel shaft driven wheel 10 on the wheel shaft rack 8 in the left side of driving wheel 6, in the wheel shaft driven wheel 10 or wheel shaft driving wheel 6
Tyre tread is equipped with pressure sensor, and the pressure sensor connects control cabinet, and the wheel shaft driven wheel 10 is with wheel shaft driving wheel 6
Interval setting forms supporting wheel systems, wheel is equipped in supporting wheel systems to 9, tyre tread and wheel shaft driven wheel of the wheel to wheel on 9
10 and wheel shaft driving wheel 6 tyre tread fitting, pressure mechanism, the press machine are equipped on the wheel shaft rack 8 on the outside of supporting wheel systems
With wheel to the outer rim face contact of 9 upper whorl axials and to wheel shaft pressure, the power of drive sprocket axle traction electric machine 1 below structure top board 3
Output shaft forms the testing stand for axle load adjustment to 9 power input shaft by gearbox A2 fifth wheel.
Wherein the pressure mechanism includes pressing plate 3, load cylinder 4 and servo valve, and the pressing plate 3 is set as two, two
Pressing plate 3 is interval setting, is respectively equipped with load cylinder 4 in each 3 or so end of pressing plate, the pressure of the load cylinder 4 is
The lower end of 25Mpa, the load cylinder 4 are fixed on wheel shaft rack 8, under the upper end connection pressing plate 3 of load cylinder 4
The oil inlet in face, each load cylinder 4 is separately connected the oil outlet of servo valve, and the oil outlet of servo valve passes through piping connection respectively
The control module of hydraulic station, servo valve passes through line connection control cabinet.
Further, V-block, the wheel shaft outer rim of the opening face respective shaft pair of the V-block are equipped with below the pressing plate 3
Face.I.e. according to wheel to structure of axle box feature, using V-block, arc surface pressurizes from axle box, and pressure size is detected from hydraulic cylinder,
By servo valve control pressure size, is asked according to the axis of every kind of wheel pair is important, different pressures is selected to carry out wheel shaft running-in test.
Further, the traction electric machine position adjusting mechanism 5 include upper supporting block 5-1, lower supporting block 5-2, lead screw 5-3,
Shaft coupling A5-4, speed reducer 5-5 and motor 5-6, the lower supporting block 5-2 setting is in the upper surface of wheel shaft rack 8, in lower supporting block
The upper surface of 5-2 is equipped with upper supporting block 5-1, is equipped with lead screw 5-3 in the upper surface of upper supporting block 5-1, the end of the lead screw 5-3 passes through
The power output shaft of the power input shaft connection motor 5-6 of shaft coupling A5-4 connection speed reducer 5-5, the speed reducer 5-5, in silk
Screw is socketed on the outer edge surface of thick stick 5-3, the screw connects drive sprocket axle traction electric machine supporting plate.
Further, the wheel shaft rack 8 is equipped with infrared temperature sensor, the detection of the infrared temperature sensor
The axle box of head respective shaft pair, infrared temperature sensor connect control cabinet, and the measurement range of infrared temperature sensor is -20~
150℃.In the specific implementation, the measurement point of infrared temperature sensor is no less than at 6, moves thermometric, detects axle box surface
Temperature, the shaft temperature detecting device of simulated locomotive vehicle, and shown by display screen or digital thermometer.
Further, the wheel shaft rack 8 is equipped with velocity sensor, the detecting head respective shaft pair of the velocity sensor
Wheel, velocity sensor connect control cabinet.
The present invention meets engineering truck driven wheel to the running-in test of (wheel footpath is φ 840, φ 915, φ 1050), together
When have wheel to revolving speed, bearing temperature detection function, wheel shaft dead load regulatory function, axis weight range 10t~30t.
The present invention carries out axis by servo valve control axle box pressure and controls again, and axle test is realized by pressure sensor.
When it is implemented, wheel shaft revolving speed detects support wheel using wheel, by wheel to rotation, support wheel rotation is driven,
Support axle end is equipped with velocity sensor, and detection wheel is converted into Vehicle Speed by inputting wheel diameter to revolving speed.
For driving wheel of the present invention to, driven wheel to two kinds of kinds of drive are used, driving wheel passes through connecting flange drive to by motor
The axle gear box input shaft of dynamic driving wheel pair, so that wheel shaft be driven to rotate.Driven wheel is to using tyre tread driving method, i.e. motor
By transmission shaft, the driving wheel rotation of dragging support wheel tread drives wheel shaft rotation by wheel tread frictional force.By changing
Gear switching wheel is to driving method, to realize the running-in test of principal and subordinate wheel pair.
Beneficial aspects of the invention are as follows:
1, hardware compatibility performance is good.The testing stand uses different driving mode, can merge detection driving wheel pair and driven wheel pair,
Meet engineering truck wheel to multifarious feature.
2, equipment detection accuracy is higher, by simulating axle load operating condition, can accurately detect the load of bearing
Running temperature reduces the quality fault of bearing temperature alarm, reduces the engineering truck cost of overhaul.
3, easy to operate, securely and reliably.When the testing stand carries out driven wheel to test, it is only necessary to which wheel is hung in rack to 9
Upper placement can be taken turns by control cabinet and be operated to 9 running-in tests.When carrying out driving wheel to running-in test, need to connect electricity
The connecting flange of machine output shaft and axle gear box.
Part not in the detailed description of the invention is the prior art.
The embodiment selected herein for the open purpose of the present invention, is presently considered to be suitable, still, Ying Liao
Solution, the present invention is intended to include all changes and improvement that all belong to the embodiment in this design and invention scope.
Claims (8)
1. a kind of testing stand for axle load adjustment, including drive sprocket axle traction electric machine (1), pressing plate (3), traction electric machine position
It is driven to (9), wheel shaft to set adjustment mechanism (5), wheel shaft driving wheel (6), follower shaft traction electric machine (7), wheel shaft rack (8), wheel
Take turns (10), shaft coupling B(11) and gearbox B(12), it is characterized in that: being equipped with traction on the left side of the wheel shaft rack (8) above
Motor position adjustment mechanism (5) is equipped with drive sprocket axle traction electric machine (1) on traction electric machine position adjusting mechanism (5), in wheel shaft
The right of rack (8) above is equipped with follower shaft traction electric machine (7), the power output shaft of the follower shaft traction electric machine (7)
Connection setting is in wheel shaft rack (8) gearbox B(12 above) power input shaft, the gearbox B(12) former and later two power
Output shaft passes through shaft coupling B(11) it is respectively connected to the wheel shaft driving wheel (6) on wheel shaft rack (8), it is driven in each wheel shaft
Wheel shaft driven wheel (10) are respectively equipped on wheel shaft rack (8) on the left of driving wheel (6), are driven in the wheel shaft driven wheel (10) or wheel shaft
The tyre tread of driving wheel (6) is equipped with pressure sensor, and the pressure sensor connects control cabinet, the wheel shaft driven wheel (10) and wheel
Axis driving wheel (6) is that interval setting forms supporting wheel systems, wheel is equipped in supporting wheel systems to (9), the wheel is to wheel on (9)
Tyre tread is bonded with the tyre tread of wheel shaft driven wheel (10) and wheel shaft driving wheel (6), is set on the wheel shaft rack (8) on the outside of supporting wheel systems
There is pressure mechanism, to the outer rim face contact of (9) upper whorl axial and wheel shaft is applied below the pressure mechanism top board (3) with wheel
The power output shaft of pressure, drive sprocket axle traction electric machine (1) forms institute by power input shaft of the gearbox A(2) fifth wheel to (9)
The testing stand for axle load adjustment stated.
2. the testing stand according to claim 1 for axle load adjustment, it is characterized in that: the pressure mechanism includes pressure
Plate (3), load cylinder (4) and servo valve, the pressing plate (3) are set as two, and two pressing plates (3) are interval setting, each
Pressing plate (3) left and right end is respectively equipped with load cylinder (4), and the lower end of the load cylinder (4) is fixed at wheel shaft rack (8)
On, below upper end connection pressing plate (3) of load cylinder (4), the oil inlet of each load cylinder (4) is separately connected servo valve
Oil outlet, the oil outlet of servo valve pass through piping connection hydraulic station respectively, and the control module of servo valve passes through line connection control
Cabinet.
3. the testing stand according to claim 1 for axle load adjustment, it is characterized in that: below the pressing plate (3)
Equipped with V-block, the wheel shaft outer edge surface of the opening face respective shaft pair of the V-block.
4. the testing stand according to claim 1 for axle load adjustment, it is characterized in that: traction electric machine position tune
Complete machine structure (5) includes upper supporting block (5-1), lower supporting block (5-2), lead screw (5-3), shaft coupling A(5-4), speed reducer (5-5) and
Motor (5-6), the lower supporting block (5-2) are arranged in the upper surface of wheel shaft rack (8), are equipped in the upper surface of lower supporting block (5-2)
Upper supporting block (5-1) is equipped with lead screw (5-3) in the upper surface of upper supporting block (5-1), and the end of the lead screw (5-3) passes through shaft coupling
Device A(5-4) connection speed reducer (5-5), the power output shaft of power input shaft connection motor (5-6) of the speed reducer (5-5),
Screw is socketed on the outer edge surface of lead screw (5-3), the screw connects drive sprocket axle traction electric machine supporting plate.
5. the testing stand according to claim 1 for axle load adjustment, it is characterized in that: drive sprocket axle traction electricity
The power of machine (1) is 50KW, and speed adjustable range is 0~3000r/min.
6. the testing stand according to claim 1 for axle load adjustment, it is characterized in that: follower shaft traction electricity
The power of machine (7) is 30KW, and speed adjustable range is 0~3000r/min.
7. the testing stand according to claim 1 for axle load adjustment, it is characterized in that: on the wheel shaft rack (8)
Equipped with infrared temperature sensor, the axle box of the detecting head respective shaft pair of the infrared temperature sensor, infrared temperature is passed
Sensor connects control cabinet.
8. the testing stand according to claim 1 for axle load adjustment, it is characterized in that: on the wheel shaft rack (8)
Equipped with velocity sensor, the wheel of the detecting head respective shaft pair of the velocity sensor, velocity sensor connects control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811029488.5A CN109115493B (en) | 2018-09-05 | 2018-09-05 | Test bed for wheel axle load running-in |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811029488.5A CN109115493B (en) | 2018-09-05 | 2018-09-05 | Test bed for wheel axle load running-in |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109115493A true CN109115493A (en) | 2019-01-01 |
| CN109115493B CN109115493B (en) | 2024-02-20 |
Family
ID=64858076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811029488.5A Active CN109115493B (en) | 2018-09-05 | 2018-09-05 | Test bed for wheel axle load running-in |
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| Country | Link |
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| CN (1) | CN109115493B (en) |
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| Publication number | Publication date |
|---|---|
| CN109115493B (en) | 2024-02-20 |
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