CN211060844U - Portable wheel pair diameter measuring instrument - Google Patents
Portable wheel pair diameter measuring instrument Download PDFInfo
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- CN211060844U CN211060844U CN201922121345.3U CN201922121345U CN211060844U CN 211060844 U CN211060844 U CN 211060844U CN 201922121345 U CN201922121345 U CN 201922121345U CN 211060844 U CN211060844 U CN 211060844U
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- measuring instrument
- wheel
- wheel pair
- displacement sensor
- measuring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The utility model discloses a portable wheel pair diameter measuring apparatu, including the measuring apparatu body that is symmetry arch shape setting, set up in the locating piece that meets to the tread at measuring apparatu body both ends and with the wheel under measurement, set up in be used for on the measuring apparatu body and restrict the measuring apparatu and the mount of the wheel under measurement to contact position, and set up in the laser displacement sensor at measuring apparatu body center, wherein, the mount sets up two sets of at least. The utility model discloses an ingenious design utilizes the geometric relation, when measuring, through the locating piece at measuring apparatu both ends and by measuring wheel to tread in close contact with, only need measure the diameter that laser displacement sensor and measured the distance between the point just can convenient and fast measure the wheel pair through laser displacement sensor, very big improvement the convenience of test.
Description
Technical Field
The utility model relates to a rail vehicle wheel footpath measures technical field, concretely relates to measuring apparatu of wheel pair diameter.
Background
The existing detection tool for the diameter and the wheel diameter difference of the wheel pair of the rail locomotive mainly comprises a wheel diameter ruler and a wheel diameter measurer of the rail locomotive. The wheel diameter ruler comprises a ruler type number display and is used for completing measurement operation by utilizing a movable micrometer device and a rotary micrometer device respectively; the wheel footpath caliber utilizes wide range percentage table to do the indicator and measure wheel pair diameter, including pointer type and number display formula, utilize the removal of measuring staff to accomplish the measurement of wheel footpath, at the measuring in-process, because meeting between measuring staff and the contact point is because different people operate, perhaps same people carries out the operation of many times measurement, all can produce different effort, and different effort can produce different test results to it is great that messenger's measuring accuracy receives artificial influence factor, and the data of surveying is not accurate enough.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the portable wheel set diameter measuring instrument is provided, the influence of human factors is reduced, and the testing accuracy of the wheel set diameter is improved.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a portable wheel pair diameter measuring apparatu, is including the measuring apparatu body that is the setting of symmetry arch shape, set up in the locating piece that meets with the wheel pair tread of being measured of measuring apparatu body both ends, set up in on the measuring apparatu body and be used for restricting the measuring apparatu and the mount of being measured the wheel pair contact position, and set up in the laser displacement sensor at measuring apparatu body center, wherein, the mount sets up two sets ofly at least.
Furthermore, the positioning block is provided with a positioning magnet for enabling the positioning block to be fixed on the tread of the wheel pair to be measured in an adsorption mode.
Furthermore, the fixed frame is provided with a fixed magnet which is convenient for the connection of the fixed frame and the inner side surface of the wheel to be measured.
Furthermore, the measuring instrument body is also provided with a handle which is convenient to take.
Furthermore, the measuring instrument body is also provided with a circuit board for controlling the laser displacement sensor to measure.
Further, the laser displacement sensor is also provided with a fault indicator lamp.
The utility model discloses a measurement principle:
as shown in figure 3, the utility model discloses the point of measuring instrument body both ends locating piece and measured wheel to tread contact intersects in point C along its ascending extension line of axial, and the contained angle that forms is α, laser displacement sensor installs on the measuring instrument body, the distance of this mounted position apart from point C is h1, because the measuring instrument body is the structure of a fixed unchangeable shape, and laser displacement sensor mounted position is fixed unchangeable, after this measuring instrument preparation is accomplished, its contained angle α, and distance h1 is fixed value, this fixed value can be confirmed when preparation, so contained angle α and distance h1 are all a known value, the distance that laser displacement sensor measured apart from the wheel pair top surface is h2, h2 is the value that laser displacement sensor measured, can know according to the relation between circle tangent line and the circle radius that measured wheel is to the radius
Deducing the radius
Thus the diameter of the measured wheel pair
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses an ingenious design utilizes the geometric relation, when measuring, through the locating piece at measuring apparatu both ends and by measuring wheel to tread in close contact with, only need measure the diameter that laser displacement sensor and measured the distance between the point just can convenient and fast measure the wheel pair through laser displacement sensor, very big improvement the convenience of test.
(2) The fixing frame of the utility model can effectively ensure that the connecting line of the contact points of the positioning blocks at the two ends of the tester and the tread of the tested wheel pair is the same outer diameter line of the tested wheel pair, thereby ensuring the accuracy of the test; and simultaneously, the utility model discloses the locating piece passes through positioning magnet and realizes that the locating piece is fixed with the contact between the measured wheel pair, and the mount realizes the mount through fixed magnet and is surveyed the fixed spacing of wheel inboard, because effort between the two all provides through the magnetic force of magnet, and the magnetic force of magnet is the effort that can remain stable unchangeable, has eliminated the drawback that the effort is different that brings through the artificial fixed mode to the interference of human factor has been eliminated, the accuracy of test has been promoted.
(3) The utility model discloses still install control circuit board additional on the tester body, can realize the direct conversion of test data through the cooperation with singlechip or other control chip to the quick diameter value that reachs by the measuring wheel pair has promoted the convenient degree of test greatly.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of the structure of fig. 1.
Fig. 3 is a schematic view of the measurement principle of the present invention.
Wherein, the names corresponding to the reference numbers are:
1-a measuring instrument body, 2-a positioning block, 3-a fixing frame, 4-a laser displacement sensor, 5-a positioning magnet, 6-a fixing magnet and 7-a handle.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
As shown in FIGS. 1 to 3:
the utility model provides a measurement to wheel pair diameter is realized to portable wheel pair diameter measuring apparatu, through ingenious design, combines the geometry correlation, through the geometry mathematical relationship between test data and the wheel pair diameter, promotes its measuring convenience greatly. The measuring instrument body 1 is made of materials with high structural strength, and is subjected to external force after being manufactured, so that the measuring instrument body is small in structural deformation and stable in structure. Set up the same locating piece 2 in the both sides of measuring apparatu body 1, locating piece 2 is used for contacting with the tread of being surveyed the wheel pair, the face that locating piece 2 and being surveyed the wheel pair and contacting is smooth and level, two locating pieces at both ends and being surveyed wheel pair tread contact point intersect in a point along the axial direction, and form fixed contained angle, in order to provide locating piece 2 and being surveyed the stable contact of wheel pair tread simultaneously, set up positioning magnet 5 on locating piece 2, through positioning magnet 5's magnetic adsorption, make locating piece and being surveyed the wheel tightly attract mutually to the tread. A laser displacement sensor 4 is fixedly arranged at the right center of the measuring instrument body 1, the laser displacement sensor 4 is vertical to the connecting line of the central lines of the positioning blocks 2 at the two ends, and the laser displacement sensor tests the distance between the laser displacement sensor and the vertex of the wheel pair to be measured.
In order to ensure the contact accuracy of the positioning block 2 and the measured wheel pair, at least two fixing frames 3 are arranged on the measuring instrument body 1, the distances between the fixing frames 3 and the measuring instrument body are equal, and the fixing frames are in contact with the inner side surfaces of the measured wheel pair and used for limiting the contact point of the positioning block and the measured wheel pair, so that the test accuracy is ensured; simultaneously, in order to guarantee the effective fixation between mount and the wheel pair medial surface, set up fixed magnet 6 on mount 3, the magnetic attraction through fixed magnet 6 adsorbs mount 3 at the medial surface of being surveyed the wheel pair.
In order to facilitate the grabbing and carrying of the measuring instrument, a handle 7 convenient to take is further arranged on the measuring instrument body 1, the grabbing and the measuring of the measuring instrument can be conveniently and quickly realized through the handle 7, and the measuring convenience is improved.
Meanwhile, in order to realize that the data measured by the laser displacement sensor 4 is directly converted into the diameter data of the wheel set, a control circuit board and a singlechip or other control chips matched with the circuit board can be arranged on the body of the measuring instrument, and the diameter of the wheel set is directly calculated according to the measured data of the wheel set; meanwhile, a corresponding fault indicator lamp is equipped to display whether the instrument is normal or not, and maintenance is facilitated.
The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.
Claims (6)
1. A portable wheel pair diameter measuring instrument which characterized in that: the measuring instrument comprises a measuring instrument body (1) which is arranged in a symmetrical arch shape, positioning blocks (2) which are arranged at two ends of the measuring instrument body (1) and connected with a tread of a measured wheel pair, a fixing frame (3) which is arranged on the measuring instrument body (1) and used for limiting the contact position of the measuring instrument and the measured wheel pair, and a laser displacement sensor (4) which is arranged at the center of the measuring instrument body (1); wherein, the fixing frames (3) are at least provided with two groups.
2. A portable wheel-pair diameter measuring instrument according to claim 1, wherein: and the positioning block (2) is provided with a positioning magnet (5) which is used for enabling the positioning block (2) to be fixed on the tread of the wheel pair to be measured in an adsorption manner.
3. A portable wheelset diameter measuring instrument according to claim 2, wherein: the fixed frame (3) is provided with a fixed magnet (6) which is convenient for the fixed frame (3) to be connected with the inner side surface of the wheel to be measured.
4. A portable wheel set diameter measuring instrument according to any one of claims 1 to 3, wherein: the measuring instrument body (1) is further provided with a handle (7) which is convenient to take.
5. A portable wheel set diameter measuring instrument according to any one of claims 1 to 3, wherein: the measuring instrument body (1) is further provided with a circuit board used for controlling the laser displacement sensor (4) to measure.
6. A portable wheel set diameter measuring instrument according to any one of claims 1 to 3, wherein: the laser displacement sensor (4) is also provided with a fault indicator lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922121345.3U CN211060844U (en) | 2019-12-02 | 2019-12-02 | Portable wheel pair diameter measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922121345.3U CN211060844U (en) | 2019-12-02 | 2019-12-02 | Portable wheel pair diameter measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211060844U true CN211060844U (en) | 2020-07-21 |
Family
ID=71595549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922121345.3U Active CN211060844U (en) | 2019-12-02 | 2019-12-02 | Portable wheel pair diameter measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211060844U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284257A (en) * | 2020-12-24 | 2021-01-29 | 上海全路通铁道装备有限公司 | Portable railcar wheel tread surveying instrument |
| CN115164806A (en) * | 2022-07-26 | 2022-10-11 | 柳州科路测量仪器有限责任公司 | Wheel diameter wireless measuring instrument |
-
2019
- 2019-12-02 CN CN201922121345.3U patent/CN211060844U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112284257A (en) * | 2020-12-24 | 2021-01-29 | 上海全路通铁道装备有限公司 | Portable railcar wheel tread surveying instrument |
| CN112284257B (en) * | 2020-12-24 | 2021-03-23 | 上海全路通铁道装备有限公司 | Portable railcar wheel tread surveying instrument |
| CN112945105A (en) * | 2020-12-24 | 2021-06-11 | 上海全路通铁道装备有限公司 | Rail car wheel tread surveying and mapping structure, method and probe positioning method |
| CN115164806A (en) * | 2022-07-26 | 2022-10-11 | 柳州科路测量仪器有限责任公司 | Wheel diameter wireless measuring instrument |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210831 Address after: No.1 jinxianqiao Road, Jinniu District, Chengdu, Sichuan 610000 Patentee after: CHINA RAILWAY ACADEMY Co.,Ltd. Patentee after: China Railway Chengdu Institute of science and Technology Co.,Ltd. Address before: No.1 jinxianqiao Road, Jinniu District, Chengdu, Sichuan 610000 Patentee before: CHINA RAILWAY ACADEMY Co.,Ltd. |
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| TR01 | Transfer of patent right |