CN106370890B - The device of velocity sensor performance test can be carried out under the conditions of three compbined tests - Google Patents

The device of velocity sensor performance test can be carried out under the conditions of three compbined tests Download PDF

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Publication number
CN106370890B
CN106370890B CN201610691958.9A CN201610691958A CN106370890B CN 106370890 B CN106370890 B CN 106370890B CN 201610691958 A CN201610691958 A CN 201610691958A CN 106370890 B CN106370890 B CN 106370890B
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China
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fixed
speed reducer
pedestal
fluted disc
base plate
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CN106370890A (en
Inventor
曹季伟
陈太龙
张燕亮
陈增贤
刘丹
李军伟
万仁强
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Ningbo CRRC Times Transducer Technology Co Ltd
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Ningbo CRRC Times Transducer Technology Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P21/00Testing or calibrating of apparatus or devices covered by the preceding groups
    • G01P21/02Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers

Abstract

The device of velocity sensor performance test, including base plate mechanism, transmission mechanism and installing mechanism can be carried out under the conditions of three compbined tests;Transmission mechanism includes driving mechanism, fixed mechanism and fluted disc mechanism, driving mechanism includes air motor and speed reducer, speed reducer includes three orthogonal axis, one axis is connect with air motor, two axis are connect with fluted disc mechanism respectively, fixed mechanism includes air motor fixing seat and speed reducer fixed mechanism, and air motor is fixed on base plate mechanism, and speed reducer is fixed on base plate mechanism by speed reducer fixed mechanism;Fluted disc mechanism includes two test fluted discs, and two test fluted discs are separately fixed on two orthogonal axis of speed reducer;Installing mechanism is fixed on base plate mechanism, and setting at fluted disc respective distance is tested at one and installs the vertical positioning hole for being tested sensor and fixation hole, in another located lateral mounting hole, longitudinal register mounting hole and fixation hole tested setting at fluted disc respective distance and install tested sensor.

Description

The device of velocity sensor performance test can be carried out under the conditions of three compbined tests
Technical field
The present invention relates to a kind of test devices of speed probe.
Background technique
Speed probe is installed on various types locomotive shaft-end, provides the speed of service and the direction of motion for locomotive, is locomotive The important component of safe operation.
Existing sensor detector mainly drives the rotation axis with testing gears to rotate by servo motor, test product Tested air gap is fixed by regulating device, and the performance test of product is carried out by back end test circuit and oscillograph.It is existing Velocity sensor only carries out being tested in the single factors such as temperature, humidity or vibration, and velocity sensor is in actual use On product influence essential environmental factors be temperature, vibration, humidity these three, it is therefore desirable in temperature, humidity, vibrate these three Velocity sensor is tested under the integrated environment that factor carries altogether, and existing sensor detector can not carry out performance survey Examination.And there is also following deficiencies:
1, the motor of existing test device can only realize the test under normal temperature state, if motor is transported under high and low temperature environment Turn, it may appear that the case where failure.
2, the pto mode of existing test device only one, so product can only be tested in one direction, It is unable to satisfy the requirement of three directions of vibration test test.
3, what the device that existing test device is exported by universal shaft will appear that universal shaft loosens under vibration shows As some of them components do vibration test in three combined test chambers and are unable to satisfy requirement, in fact it could happen that damage of components Risk.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of can integrate three in view of the above-mentioned problems in the prior art and try The device of velocity sensor performance test is carried out under the conditions of testing, accurately to evaluate the actual use performance of velocity sensor.
The technical scheme of the invention to solve the technical problem is:
The device of velocity sensor performance test, including base plate mechanism, driver can be carried out under the conditions of three compbined tests Structure and installing mechanism;The transmission mechanism includes driving mechanism, fixed mechanism and fluted disc mechanism, and the driving mechanism includes pneumatic Motor and speed reducer, speed reducer includes three orthogonal axis, wherein an axis is connect with air motor, in addition two axis respectively with The connection of fluted disc mechanism, the fixed mechanism include air motor fixing seat and speed reducer fixed mechanism, and air motor passes through pneumatic Motor fixing base is fixed on base plate mechanism, and speed reducer is fixed on base plate mechanism by speed reducer fixed mechanism;The fluted disc Mechanism includes two test fluted disc mechanisms, and two test fluted disc mechanisms are separately fixed at two orthogonal axis of speed reducer On;The installing mechanism is fixed on base plate mechanism, and tested sensor is installed in setting at a test fluted disc respective distance Vertical positioning hole and fixation hole, the located lateral of tested sensor is installed in setting at another test fluted disc respective distance Mounting hole, longitudinal register mounting hole and fixation hole.
Preferably, above-mentioned base plate mechanism includes bottom plate and pedestal, and design is carried out with transmission mechanism middle left and right wallboard on pedestal The locating slot of limit is fixed, and the U-type groove being fixed with motor base is also designed on pedestal, motor base is fixed on pedestal, It is also screwed with the sensor rack of installing mechanism on pedestal and finger setting, bottom plate and pedestal is fixed together.
Preferably, above-mentioned fluted disc mechanism includes testing gears and test fluted disc, and testing gears pass through with speed reducer output shaft Keyway connection, test fluted disc include wheel hub pressing plate, magnet pulley, wheel hub, and the step surface and magnet pulley internal diameter of wheel hub carry out axial fixed Position, is locked wheel hub pressing plate, magnet pulley and wheel hub, is then subsequently secured on the axis of speed reducer.
Preferably, above-mentioned speed reducer fixed mechanism includes fixed block, upper plate, left wallboard and right wallboard, two fixed blocks point It is not stuck in the both ends of speed reducer, fixed block surface designs round boss, and left wallboard is designed with right wallboard to be determined with what fixed block matched Position hole, reversing speed reducer, fixed block and left and right wallboard are locked;The boss of two transverse directions, boss are designed on upper base plate It is matched with the card slot on left and right wallboard, upper base plate is equipped with the positioning matched with the vertical output shaft boss face of reversing speed reducer Hole guarantees to position between three, upper base plate and left and right wallboard is locked, left and right wallboard bottom surface is stuck in base plate mechanism seat It is fixed on pedestal in the locating slot of body.
Preferably, threaded connection place between above-mentioned bottom plate and pedestal, motor base and pedestal is arranged U-type groove, in U-type groove Screw thread mold insert is set, it is made to be not easy to generate loosening under vibrating conditions.
The present invention is due to being able to satisfy suitable under product test driving device under high and low temperature environment by selecting air motor Benefit operating;Suitable reversing speed reducer is selected simultaneously, velocity sensor can be carried out under vibration test lateral, vertical To the test with vertical three directions.
The present invention goes back the combination of design gear and magnet pulley, accordingly devises reasonable mounting frame for sensor, makes Its test that can meet two class sensors in one apparatus.
The present invention also optimizes each mechanism for testing, can accurately test the speed and, overall volume is small, weight Gently.
Detailed description of the invention
Fig. 1 is the device figure that the embodiment of the present invention can carry out velocity sensor performance test under the conditions of three compbined tests.
Fig. 2 is the perspective view that the embodiment of the present invention can carry out velocity sensor performance test under the conditions of three compbined tests.
Fig. 3 is the structural schematic diagram of base plate mechanism of the embodiment of the present invention.
Fig. 4 is the positive structure schematic of pedestal of the embodiment of the present invention.
Fig. 5 is the structure schematic diagram of pedestal of the embodiment of the present invention.
Fig. 6 is the structural schematic diagram of transmission mechanism of the embodiment of the present invention.
Fig. 7 is the decomposition diagram of transmission mechanism of the embodiment of the present invention.
Fig. 8 is the structural schematic diagram of reversing speed reducer of the embodiment of the present invention.
Fig. 9 is magnet pulley structural schematic diagram of the embodiment of the present invention.
Figure 10 is motor seat structure schematic diagram of the embodiment of the present invention.
Figure 11 is fixed-block-architecture (FBA) schematic diagram of the embodiment of the present invention.
Figure 12 is upper base plate structural schematic diagram of the embodiment of the present invention.
Figure 13 is the left and right panel structure schematic diagram of the embodiment of the present invention.
Figure 14 is the fast integrated sensor installation frame structure chart of temperature of the embodiment of the present invention.
Figure 15 is hall speed sensor installation frame structure chart of the embodiment of the present invention.
Specific embodiment
Below in conjunction with figure embodiment, the invention will be further described.
As shown in Figure 1, 2, the device of velocity sensor performance test can be carried out under the conditions of three compbined tests comprising bottom 3 three parts of trigger structure 1, transmission mechanism 2 and installing mechanism.
As shown in Figure 3,4, above-mentioned base plate mechanism 1 includes bottom plate 11 and pedestal 12.
Bottom plate 11 is surrounded by the countersunk head of mounting screw in bottom plate 11 according to the arrangement of three combined test chamber mounting screw holes Hole, while 6 U-type grooves cooperated with screw thread mold insert are provided on bottom plate, screw thread mold insert 111 is stuck in the U-type groove of bottom plate, with six Bottom plate 11 and pedestal 12 are connected and fixed by corner bolt 13 plus stop washer 14, and design so effectively guarantees that entire mechanism is being vibrated The anti-loose ability of screw under environment.
Simultaneously in order to mitigate whole weight, bottom plate uses aluminum alloy materials.
As shown in figure 5, designing the locating slot 123 limited with transmission mechanism middle left and right wallboard on pedestal 12, pass through 4 Left and right wallboard is fixed on the locating slot 123 of pedestal by a soket head cap screw, and also design is fixed with motor base on pedestal 12 U-type groove 124, by 4 soket head cap screws with internal thread screw thread mold insert cooperate, will have air motor motor base It is fixed on pedestal 12.
The threaded hole 121 and straight pin location hole being fixed with the sensor rack of installing mechanism are also designed on pedestal 12 122, realize being connected and fixed for entire sensor rack and pedestal 12.
Above-mentioned entire pedestal uses aluminium alloy, and hollow out 125 is carried out below pedestal, to mitigate weight.
Above-mentioned bottom plate 11 and pedestal 12 are fixed together by the screw hole 126 of screw and surrounding.
Above-mentioned transmission mechanism 2 is by 23 structure composition of driving mechanism 21, fixed mechanism 22 and fluted disc, as shown in fig. 6, specifically Components composition is shown in Fig. 7.
Driving mechanism includes motor and reversing speed reducer, and motor 213 selects air motor.
Reversing speed reducer 211 has 3 orthogonal output shafts 212, wherein an output shaft is by shaft coupling 214 and pneumatically The connection of motor 13 and transmission, are shown in Fig. 8.
Above-mentioned fluted disc mechanism includes testing gears and test fluted disc, and testing gears and speed reducer output shaft are connected by keyway It connects, test fluted disc includes wheel hub pressing plate 26, magnet pulley 27, wheel hub 28, and the step surface and magnet pulley internal diameter of wheel hub 28 carry out axial Positioning, is locked wheel hub pressing plate, magnet pulley and wheel hub by soket head cap screw, then passes through gland 29 and screw again 30 are fixed on the axis of speed reducer, see Fig. 9.
Above-mentioned fixed mechanism includes motor fixing base 222 and speed reducer fixed mechanism.
As shown in Figure 10, said motor fixing seat 222 is L-type, inner hole 223 and fixation hole 224 is arranged on vertical plane, pneumatically Motor carries out axially position by its step surface and inner hole, and with 3 soket head cap screw fixing motor seats and air motor, in horse Up to 4 stepped holes 225 of seat floor design, pass through 4 soket head cap screw fixing motor seats and pedestal.
Above-mentioned speed reducer fixed mechanism includes fixed block 226, upper base plate 227, left wallboard 228 and right wallboard 229.According to changing The fixed block 226 cooperated to the profile arrangement and speed reducer outer surface of speed reducer 211, two fixed blocks 226 are with card slot 237, be stuck in the both ends of speed reducer 211, while designing round boss 236 on 226 surface of fixed block, left wallboard 228 with The location hole 246 that the right design of wallboard 229 matches with fixed block 226, plays the role of limit, will be changed by 8 soket head cap screws It is locked to speed reducer 211, fixed block 226 and left wallboard 228, right wallboard 229.
The boss 241 of two transverse directions is designed on upper base plate 227, boss 241 is matched with the card slot 245 on left and right wallboard, Upper base plate 4 is equipped with the location hole 242 matched with the vertical output shaft boss face of reversing speed reducer 211, guarantees to position between three. Upper base plate 227 and left and right wallboard are locked by 4 soket head cap screws.Last entire mechanism is by left and right wallboard bottom surface It is stuck in the locating slot 123 of 1 pedestal 12 of base plate mechanism, entire mechanism is fixed on pedestal 12 by 4 soket head cap screws.
Above-mentioned fixed block is shown in that Figure 11, upper base plate are shown in that Figure 12, left and right wallboard are shown in Figure 13.
Above-mentioned installing mechanism includes bottom surface, vertical component and top, and vertical positioning hole, vertical component are arranged on top Upper setting located lateral mounting hole, longitudinal register mounting hole, vertical positioning hole, located lateral mounting hole, longitudinal register peace Internal thread hole needed for dress hole two sides are provided with installation product, bottom surface, top and vertical component be integrally formed, bottom surface setting with The corresponding mounting hole of pedestal can be respectively suitable for warm fast integrated sensor and hall speed sensor in this way.
Specifically, the fast integrated sensor bracket of temperature is shown in Figure 14, is divided into bottom surface, vertical component and top, and setting is hung down on top To positioning hole 31, located lateral mounting hole 32, longitudinal register mounting hole 33, the vertical positioning peace are set on vertical component Internal thread hole 38 needed for dress hole 31, located lateral mounting hole 32,33 two sides of longitudinal register mounting hole are provided with installation product, and lead to Can respectively product sensor to be measured be fixed by crossing internal thread hole 38, top and vertical component by welding procedure be made into one it is whole Body effectively guarantees the intensity of bracket in vibration processes in this way.
The bottom surface of rack is equipped with the counter sink 34 of mounting screw, opposite with the screw hole 127 on pedestal, will be entire by screw Rack is fixed on the pedestal 12 of base plate mechanism, and the side upper surface of rack is equipped with the counter sink 35,36 of 1 screw of installation, by machine Frame is separately fixed on left and right wallboard and upper base plate.
Hall speed sensor installation frame is shown in Figure 15, and for the direction of three output shafts, vertical positioning peace is arranged in top Hole 31 is filled, located lateral mounting hole 32, longitudinal register mounting hole 33, vertical positioning hole 31, transverse direction are set on vertical component Internal thread hole 38 needed for positioning hole 32,33 two sides of longitudinal register mounting hole are provided with installation product, and pass through internal thread hole 38 fix product sensor to be measured, and threaded hole 39,40,41 is arranged in hall speed sensor installation frame bottom, with pedestal Threaded hole 121,122,129 is corresponding, is positioned by 3 straight pins of bottom of the frame, then with soket head cap screw, spring washer into Row is locked, and since velocity sensor bracket is an entirety, effectively guarantees the intensity of bracket in vibration processes in this way.

Claims (7)

1. the device of velocity sensor performance test can be carried out under the conditions of three compbined tests, it is characterised in that: including bottom plate machine Structure, transmission mechanism and installing mechanism;The transmission mechanism includes driving mechanism, fixed mechanism and fluted disc mechanism, the driving machine Structure includes air motor and speed reducer, and speed reducer includes three orthogonal axis, wherein an axis is connect with air motor, in addition Two axis are connect with fluted disc mechanism respectively, and the fixed mechanism includes air motor fixing seat and speed reducer fixed mechanism, pneumatic horse It is fixed on base plate mechanism up to by air motor fixing seat, speed reducer is fixed on base plate mechanism by speed reducer fixed mechanism On;The fluted disc mechanism includes two test fluted disc mechanisms, and two test fluted disc mechanisms are separately fixed at two phases of speed reducer Mutually on vertical axis;The installing mechanism is fixed on base plate mechanism, and installation is arranged at a test fluted disc respective distance The vertical positioning hole and fixation hole of tested sensor, tested sensor is installed in setting at another test fluted disc respective distance Located lateral mounting hole, longitudinal register mounting hole and fixation hole.
2. the device of velocity sensor performance test can be carried out under the conditions of three compbined tests as described in claim 1, it is special Sign is: the base plate mechanism includes bottom plate and pedestal bottom plate, designs on pedestal and is limited with transmission mechanism middle left and right wallboard Locating slot be fixed, the U-type groove being fixed with motor base is also designed on pedestal, motor base is fixed on pedestal, pedestal On be also screwed with the sensor rack of installing mechanism and finger setting, bottom plate and pedestal are fixed together.
3. the device of velocity sensor performance test can be carried out under the conditions of three compbined tests as claimed in claim 2, it is special Sign is: pedestal uses aluminium alloy, and hollow out is carried out below pedestal.
4. the device of velocity sensor performance test can be carried out under the conditions of three compbined tests as claimed in claim 1 or 2, Be characterized in that: the fluted disc mechanism includes testing gears and test fluted disc, and testing gears and speed reducer output shaft are connected by keyway It connects, test fluted disc includes wheel hub pressing plate, magnet pulley, wheel hub, and the step surface and magnet pulley internal diameter of wheel hub carry out axially position, wheel Hub pressing plate, magnet pulley and wheel hub are locked, and are then subsequently secured on the axis of speed reducer.
5. the device of velocity sensor performance test can be carried out under the conditions of three compbined tests as claimed in claim 1 or 2, Be characterized in that: the speed reducer fixed mechanism includes fixed block, upper base plate, left wallboard and right wallboard, and two fixed blocks block respectively At the both ends of speed reducer, fixed block surface designs round boss, and left wallboard and right wallboard design the location hole to match with fixed block, Reversing speed reducer, fixed block and left and right wallboard are locked;The boss of two transverse directions of design on upper base plate, boss and a left side, Card slot on right wallboard matches, and upper base plate is equipped with the location hole matched with the vertical output shaft boss face of reversing speed reducer, protects It positions, upper base plate and left and right wallboard is locked, left and right wallboard bottom surface is stuck in base plate mechanism pedestal between card three It is fixed on pedestal in locating slot.
6. the device of velocity sensor performance test can be carried out under the conditions of three compbined tests as claimed in claim 1 or 2, Be characterized in that: the installing mechanism includes bottom surface, vertical component and top, and vertical positioning hole, vertical component effect are arranged on top Divide upper setting located lateral mounting hole, longitudinal register mounting hole, vertical positioning hole, located lateral mounting hole, longitudinal register Internal thread hole needed for two sides of mounting hole is provided with installation product, bottom surface, top and vertical component are integrally formed, bottom surface setting Mounting hole corresponding with pedestal.
7. the device of velocity sensor performance test can be carried out under the conditions of three compbined tests as claimed in claim 1 or 2, Be characterized in that: U-type groove is arranged in the threaded connection place between the bottom plate and pedestal, motor base and pedestal, is respectively provided with spiral shell in U-type groove Line mold insert.
CN201610691958.9A 2016-08-19 2016-08-19 The device of velocity sensor performance test can be carried out under the conditions of three compbined tests Active CN106370890B (en)

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CN109917149A (en) * 2017-12-13 2019-06-21 浙江科翔汽车部件科技有限公司 A kind of ABS wheel speed sensors testboard
CN110007112B (en) * 2019-04-01 2021-11-12 中车青岛四方机车车辆股份有限公司 Speed sensor tester test assembly and speed sensor tester
CN112611405A (en) * 2020-12-08 2021-04-06 南京东磊汽车仪表有限公司 Test processing device based on special digital instrument of CAN bus all-terrain vehicle

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