CN211869393U - Device for measuring out-of-roundness of wheels of urban rail transit vehicle - Google Patents
Device for measuring out-of-roundness of wheels of urban rail transit vehicle Download PDFInfo
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- CN211869393U CN211869393U CN201922311025.4U CN201922311025U CN211869393U CN 211869393 U CN211869393 U CN 211869393U CN 201922311025 U CN201922311025 U CN 201922311025U CN 211869393 U CN211869393 U CN 211869393U
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 60
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 238000013519 translation Methods 0.000 claims description 6
- 238000013480 data collection Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a measure device of urban rail transit vehicle wheel out-of-roundness, including strutting arrangement, measuring device, transmission, strutting arrangement includes base, first knob, slider, and first knob is fixed in base bottom right flank, and the slider is fixed in the device bottom, and first knob and slider pass through the lead screw and connect. The utility model integrates the supporting device, the measuring device and the transmission device, which is simple and rapid to operate and convenient to carry; the three-dimensional laser displacement sensor can be driven simultaneously to measure data of a plurality of lines, repeated operation is not needed, the limiting stopper is used as a mark for starting and ending data collection, and meanwhile, the blocking piece with determined length is used for determining that the laser displacement sensor is in a proper working range.
Description
Technical Field
The utility model relates to a measuring device especially relates to a measure device of urban rail transit vehicle wheel out-of-roundness.
Background
The improvement of the running speed of the railway train brings the enhancement of the interaction power between the railway train and the track, and the problem of out-of-round wheel treads is increased, and the problems mainly comprise 2 conditions of partial non-rounding and full non-rounding of wheel rolling circles. Out-of-round tread of the wheel can cause a series of dynamic response changes of a vehicle-track system, serious influences are caused on driving stability, safety and service life of each part of the vehicle track system, and if the out-of-round tread of the wheel cannot be found in time, the out-of-round tread of the wheel can be continuously developed to be a great hidden trouble of driving safety. Static measurement of wheel out-of-roundness as a method of mainly measuring wheel out-of-roundness, research and design of measuring devices are certainly at an urgent level. At present, no clear standard exists for the out-of-roundness of the wheel in China, and the device put into use also takes the out-of-roundness of the wheel in Europe as the standard. The existing device for measuring the out-of-roundness of the wheels can only measure the out-of-roundness of the wheels on one line at the same time, and only a few large subway maintenance companies are put into use due to the fact that the whole operation process is complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a device for measuring the out-of-roundness of wheels of urban rail transit vehicles in order to overcome the defects existing in the prior art.
The purpose of the utility model is realized through the following technical scheme:
a device for measuring the out-of-roundness of wheels of urban rail transit vehicles comprises a supporting device, a measuring device and a transmission device. The supporting device comprises a base, a first knob and a sliding block, the first knob is fixed on the right side face of the bottom of the base, the sliding block is fixed on the bottom of the device, the first knob and the sliding block are connected through a screw rod, so that the rotation of the first knob is converted into the translation of the sliding block, the sliding block can move to clamp two sides of a track by twisting the first knob, and the fixing effect is achieved;
the measuring device comprises a laser displacement sensor I, a laser displacement sensor II, a laser displacement sensor III, a first inclined base, a limiting stopper, an encoder, a baffle, a pulley and a straight plate; the transmission device comprises a second inclined base I, a second inclined base II, a second knob I and a second knob II.
The first inclined base is fixed in the center of the top of the base, the laser displacement sensor I is fixed on the first inclined base and used for measuring out-of-roundness on the nominal diameter of the wheel, the laser displacement sensor II and the laser displacement sensor III are respectively fixed on the second inclined base I and the second inclined base II which are arranged on two sides below the laser displacement sensor I, the second inclined base I and the second inclined base II are respectively fixed on the nut seat of the screw rod mechanism, the second knob I and the second knob II are respectively fixed on two side surfaces of the base and have the same horizontal position with the second inclined base I and the second inclined base II, the second knob I and the second knob II are respectively connected with the corresponding nut seat through the screw rod mechanism, so that the rotation of the second knob I and the second knob II is changed into the translation of the second inclined base I and the second inclined base II, and the measurement positions of the laser displacement sensor II and the laser displacement sensor III are adjusted, in order to measure out-of-roundness of the wheel diameter on either side of the nominal diameter.
The pulley is fixed in the base below, and the encoder is fixed on the pulley, drives encoder record data through the rotation of pulley, and pulley and encoder pass through the bearing and the packing ring links to each other with the straight board to wholly reach fixed effect.
The stopper is fixed in base right side below for whether record wheel rotates a week, the right flank at the top base of stopper is fixed to the separation blade. The separation blade has a standard scale, the standard scale is 30mm, the separation blade of length affirmation is used for confirming that laser displacement sensor is in suitable working range, need not to measure the distance of laser displacement sensor to wheel tread when measuring data thereby confirm that laser displacement sensor's measured data is effective.
The width of the base is larger than that of the wheel tread so that the blocking piece can be smoothly adsorbed on the wheel rim.
The supporting device is used for fixing the whole device on the steel rail, the measuring device is used for data acquisition and analysis of out-of-roundness, and the transmission device is used for moving the laser displacement sensor so as to measure out-of-roundness on different wheel diameters.
The supporting device, the measuring device and the transmission device are integrated into a whole.
And the laser displacement sensor is used for simultaneously measuring the out-of-roundness of three diameters of the wheel.
Compared with the prior art, the utility model discloses following beneficial effect has:
1) the supporting device, the measuring device and the transmission device are made into a whole and are not independent parts, so that the whole device is more convenient and rapid to operate and is convenient to carry.
2) Meanwhile, three laser displacement sensors are adopted to measure out-of-roundness of the wheel, the laser displacement sensor at the top mainly collects out-of-roundness data of the nominal diameter of the wheel, and the laser displacement sensors at two sides can move through a screw rod transmission mechanism and can collect out-of-roundness of the wheel diameters at two sides of the nominal diameter. The advantage of this design is that the data of multiple lines can be measured simultaneously without the need for repeated operations.
3) The stopper is used as an identifier for starting and ending data collection, when the separation blade passes through the stopper for the first time, the whole device starts data collection, and when the separation blade passes through the stopper again, the data collection is stopped.
4) The separation blade with the determined length is used for determining that the laser displacement sensor is in a proper working range, and the distance from the laser displacement sensor to the wheel tread is measured when data measurement is not needed, so that whether the measured data of the laser displacement sensor is effective or not is determined.
Drawings
Fig. 1 is a schematic front layout view for measuring wheel out-of-roundness according to the present invention;
fig. 2 is a schematic view of the reverse side layout for measuring wheel out-of-roundness according to the present invention;
FIG. 3 is a schematic front view of the present invention;
fig. 4 is a schematic three-dimensional structure of the present invention;
the laser displacement sensor comprises a base 1, a first knob 2, a first inclined base 3, a second knob I, a laser displacement sensor II, a second inclined base 6, a second knob II, a laser displacement sensor III, a second inclined base II, a coder 10, a straight plate 11, a blocking piece 12, a stopper 13, a pulley 14, a first knob 15 and a sliding block 16.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
A device for measuring the out-of-roundness of wheels of urban rail transit vehicles comprises a supporting device, a measuring device and a transmission device. The supporting device comprises a base 1, a first knob 15 and a sliding block 16, wherein the first knob 15 is fixed on the right side face of the bottom of the base 1, the sliding block 16 is fixed at the bottom of the device, the first knob 15 and the sliding block 16 are connected through a screw rod, so that the rotation of the first knob 15 is converted into the translation of the sliding block 16, and the sliding block 16 can move to clamp two sides of a track by twisting the first knob 15, so that the fixing effect is achieved;
the measuring device comprises a laser displacement sensor I2, a laser displacement sensor II 5, a laser displacement sensor III 8, a first inclined base 3, a limiter 13, an encoder 10, a baffle 12, a pulley 14 and a straight plate 11; the transmission device comprises a second inclined base I6, a second inclined base II 9, a second knob I4 and a second knob II 7.
The first inclined base 3 is fixed in the center of the top of the base 1, the laser displacement sensor I2 is fixed on the first inclined base 3 and used for measuring out-of-roundness on the nominal diameter of a wheel, the laser displacement sensor II 5 and the laser displacement sensor III 8 are respectively fixed on a second inclined base I6 and a second inclined base II 9 on two sides below the laser displacement sensor I2, the second inclined base I6 and the second inclined base II 9 are respectively fixed on a nut seat of a screw rod mechanism, a second knob I4 and a second knob II 7 are respectively fixed on two side surfaces of the base 1 and have the same horizontal position with the second inclined base I6 and the second inclined base II 9, the second knob I4 and the second knob II 7 are respectively connected with the corresponding nut seats through the screw rod mechanism, so that the rotation of the second knob I4 and the second knob II 7 is changed into the translation of the second inclined base I6 and the second inclined base II 9, therefore, the measuring positions of the laser displacement sensor II 5 and the laser displacement sensor III 8 are adjusted so as to measure the out-of-roundness of the wheel diameters on two sides of the nominal diameter.
The pulley 14 is fixed below the base 1, the encoder 10 is fixed on the pulley 14, the rotation of the pulley 14 drives the encoder 10 to record data, and the pulley 14 and the encoder 10 are connected with the straight plate 11 through a bearing and a gasket, so that the fixing effect is achieved integrally.
The stopper 13 is fixed at the lower right side of the base 1 and used for recording whether the wheel rotates for a circle, and the baffle 12 is fixed at the right side surface of the base 1 above the stopper 13. The blocking piece 12 is provided with a standard scale which is 30mm, the blocking piece 12 with the determined length is used for determining that the laser displacement sensor is in a proper working range, and the distance from the laser displacement sensor to the wheel tread is measured when data measurement is not needed so as to determine whether the measurement data of the laser displacement sensor is effective.
The width of the base 1 is larger than that of the wheel tread so that the baffle plate 12 can be smoothly adsorbed on the wheel rim.
The supporting device, the measuring device and the transmission device are integrated into a whole.
The first step of measurement is to take off the blocking sheet 12, the blocking sheet 12 has a standard scale, because the effective distance of the laser displacement sensor adopted in the device is 30mm, the standard scale on the blocking sheet is 30mm, 30mm is the distance from the light source of the laser displacement sensor to the wheel tread, the position of the base 1 on the rail is determined, and after the position is determined, the base 1 is fastened by rotating the knob 15.
After the position of the base 1 is determined, the positioning of the pulley 14 and the angle of inclination of the tilting base can also be obtained by geometric calculations, and the pulley 14 needs to be in contact with the tread of the wheel in order to operate the encoder 10, which depends mainly on the height of the straight plate 11 and its position on the base 1. The angles of the second inclined base I6 and the second inclined base II 9 depend on the height of the laser displacement sensor II 5 and the height of the laser displacement sensor III 8 relative to the track, two straight lines pointing to the circle center of the wheel can be arranged on the upper side and the lower side of the laser displacement sensor II 5 and the laser displacement sensor III 8 on the height, then the light rays of the laser displacement sensor II 5 and the laser displacement sensor III 8 are fixed on the angular bisector of the two straight lines, and the light rays point to the circle center of the wheel. The inclination angle of the first inclined base 3 can also be obtained through the height of the laser displacement sensor I2 relative to the track. These geometrical relationships can be derived from the laser displacement sensor light source to a fixed value of 30mm on the wheel tread.
When the pulley 14 contacts with the wheel, twist second knob I4 and second knob II 7 with laser displacement sensor II 5 and the directional diameter that will measure of laser displacement sensor III 8 light, adsorb separation blade 12 on the rim on next step, later just rotate the wheel, when blocking separation blade 12 blocks the light spot in stopper 13, encoder 10 and laser sensor begin the record data, certain point and synchronous data acquisition on the measuring line can be accurate to encoder 10, laser displacement sensor I, II, III through transmitting light and receiving the light that reflects back, through calculating, obtain every point on the wheel diameter and to the central distance of laser displacement sensor I, II, III. When the flap 12 passes the stopper again, data acquisition is stopped. And finally uploading all the acquired data to a computer. The computer can see the serious abrasion of the wheel at which point and the diameter change of the whole wheel by comparing the data, and can know which circumferential line on the wheel or which point on the line needs to be maintained and polished by comparing the data with the standard diameter of the wheel.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (4)
1. The utility model provides a measure device of urban rail transit vehicle wheel out-of-roundness which characterized in that: the device comprises a supporting device, a measuring device and a transmission device, wherein the supporting device comprises a base (1), a first knob (15) and a sliding block (16), the first knob (15) is fixed on the right side face of the bottom of the base (1), the sliding block (16) is fixed on the bottom of the device, the first knob (15) and the sliding block (16) are connected through a screw rod, so that the rotation of the first knob (15) is converted into the translation of the sliding block (16), and the sliding block (16) can move to clamp two sides of a track by twisting the first knob (15), so that the fixing effect is achieved;
the measuring device comprises a laser displacement sensor I (2), a laser displacement sensor II (5), a laser displacement sensor III (8), a first inclined base (3), a limiting stopper (13), an encoder (10), a blocking piece (12), a pulley (14) and a straight plate (11); the transmission device comprises a second inclined base I (6), a second inclined base II (9), a second knob I (4) and a second knob II (7);
the first inclined base (3) is fixed in the center of the top of the base (1), the laser displacement sensor I (2) is fixed on the first inclined base (3) and used for measuring out-of-roundness on the nominal diameter of the wheel, the laser displacement sensor II (5) and the laser displacement sensor III (8) are respectively fixed on a second inclined base I (6) and a second inclined base II (9) on two sides below the laser displacement sensor I (2), the second inclined base I (6) and the second inclined base II (9) are respectively fixed on nut seats of the screw rod mechanism, a second knob I (4) and a second knob II (7) are respectively fixed on two side faces of the base (1) and have the same horizontal position with the second inclined base I (6) and the second inclined base II (9), the second knob I (4) and the second knob II (7) are respectively connected with corresponding nut seats through the screw rod mechanism, the rotation of the second knob I (4) and the second knob II (7) is changed into the translation of the second inclined base I (6) and the second inclined base II (9), so that the measuring positions of the laser displacement sensor II (5) and the laser displacement sensor III (8) are adjusted, and the out-of-roundness of the wheel diameters on two sides of the nominal diameter is measured;
the pulley (14) is fixed below the base (1), the encoder (10) is fixed on the pulley (14), the rotation of the pulley (14) drives the encoder (10) to record data, and the pulley (14) and the encoder (10) are connected with the straight plate (11) through a bearing and a gasket, so that the whole fixing effect is achieved;
the stopper (13) is fixed at the right lower side of the base (1) and used for recording whether the wheel rotates for a circle, and the blocking piece (12) is fixed on the right side face of the base (1) above the stopper (13).
2. The apparatus for measuring the out-of-roundness of wheels of urban rail transit vehicles according to claim 1, wherein: the baffle plate (12) is provided with a standard scale, and the standard scale is 30 mm.
3. The apparatus for measuring the out-of-roundness of wheels of urban rail transit vehicles according to claim 1, wherein: the width of the base (1) is larger than that of the tread of the wheel so that the baffle plate (12) can be smoothly adsorbed on the rim of the wheel.
4. The apparatus for measuring the out-of-roundness of wheels of urban rail transit vehicles according to claim 1, wherein: the supporting device, the measuring device and the transmission device are integrated into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922311025.4U CN211869393U (en) | 2019-12-20 | 2019-12-20 | Device for measuring out-of-roundness of wheels of urban rail transit vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922311025.4U CN211869393U (en) | 2019-12-20 | 2019-12-20 | Device for measuring out-of-roundness of wheels of urban rail transit vehicle |
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| Publication Number | Publication Date |
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| CN211869393U true CN211869393U (en) | 2020-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922311025.4U Expired - Fee Related CN211869393U (en) | 2019-12-20 | 2019-12-20 | Device for measuring out-of-roundness of wheels of urban rail transit vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509040A (en) * | 2022-01-21 | 2022-05-17 | 上海工程技术大学 | Method and mechanism for measuring out-of-roundness of wheel periphery |
| CN117029702A (en) * | 2023-08-09 | 2023-11-10 | 山东理工大学 | On-orbit detecting instrument for surface quality parameters of wheels of railway vehicle |
-
2019
- 2019-12-20 CN CN201922311025.4U patent/CN211869393U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114509040A (en) * | 2022-01-21 | 2022-05-17 | 上海工程技术大学 | Method and mechanism for measuring out-of-roundness of wheel periphery |
| CN117029702A (en) * | 2023-08-09 | 2023-11-10 | 山东理工大学 | On-orbit detecting instrument for surface quality parameters of wheels of railway vehicle |
| CN117029702B (en) * | 2023-08-09 | 2024-01-26 | 山东理工大学 | On-orbit detecting instrument for surface quality parameters of wheels of railway vehicle |
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Granted publication date: 20201106 |