CN220454493U - Rail joint flatness measuring instrument - Google Patents
Rail joint flatness measuring instrument Download PDFInfo
- Publication number
- CN220454493U CN220454493U CN202321822476.4U CN202321822476U CN220454493U CN 220454493 U CN220454493 U CN 220454493U CN 202321822476 U CN202321822476 U CN 202321822476U CN 220454493 U CN220454493 U CN 220454493U
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- CN
- China
- Prior art keywords
- rail joint
- locating plate
- sleeve
- shaft
- positioning plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005389 magnetism Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a steel rail joint flatness measuring instrument, which comprises a dial indicator, a first positioning plate and a second positioning plate which are mutually perpendicular and fixedly connected, wherein an accommodating groove is formed in the first positioning plate, first guide shafts are respectively arranged in two ends of the accommodating groove, first shaft sleeves are respectively sleeved on the two first guide shafts in a sliding mode, a second guide shaft is arranged between the two first shaft sleeves, two ends of the second guide shaft are respectively fixedly connected with the two first shaft sleeves, a second shaft sleeve is sleeved on the second guide shaft in a sliding mode, a fixing sleeve is fixedly connected to the outer wall of the second shaft sleeve in a sliding mode, a jacking screw is connected to the fixing sleeve in a threaded mode, and magnetic fixing pieces are arranged on the first positioning plate and the second positioning plate. According to the utility model, the dial indicator can be moved through the first guide shaft and the second guide shaft, so that the rail joint is subjected to multi-point comprehensive measurement, the vector of each part of the rail joint can be rapidly measured, and the measurement through the dial indicator is more accurate.
Description
Technical Field
The utility model relates to the technical field of railway working equipment, in particular to a steel rail joint flatness measuring instrument.
Background
Rail joints are joints that connect two rails and can be classified into common joints, insulating joints, frozen joints, expansion joints, welded joints, and the like, depending on the type.
With rolling of train wheels, the flatness of the rail joints can be changed, if the train wheels are not repaired, the impact force of the wheels on the joints can be increased, the joints are finally invalid, the rail is disconnected, and the driving safety is affected. The existing method for measuring the flatness of the rail joint mainly adopts a method for measuring the combination of a leveling ruler and a feeler gauge, and the specific operation method is that the leveling ruler is placed on the joint, and the feeler gauge is plugged into the contact part of the leveling ruler and the rail tread, so that the flatness of the rail joint is measured. The method has low measurement precision and few measurement positions, and can not rapidly measure the flatness of each part of the rail joint.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a steel rail joint flatness measuring instrument.
The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:
the utility model provides a rail joint flatness measuring apparatu, includes the amesdial to and mutually perpendicular and fixed connection's first locating plate and second locating plate, be equipped with the holding tank on the first locating plate, be equipped with first guiding axle in the holding tank both ends respectively, two on the first guiding axle slip cap be equipped with first axle sleeve respectively, two be equipped with the second guiding axle between the first axle sleeve, the both ends of second guiding axle respectively with two first axle sleeve fixed connection, slip cap is equipped with the second axle sleeve on the second guiding axle, second axle sleeve outer wall fixedly connected with fixed cover, fixed cover with the sleeve slip of amesdial cup joints, threaded connection has a tight screw in top on the fixed cover, all be equipped with magnetism on first locating plate and the second locating plate and inhale the mounting.
Preferably, the first positioning plate and the second positioning plate are integrally formed.
Preferably, a guide groove is formed in the second guide shaft, and a guide block matched with the guide groove is arranged on the second sleeve.
Compared with the prior art, the utility model has the beneficial effects that:
according to the rail joint flatness measuring instrument, the magnetic fixing piece is arranged to enable the first locating plate and the second locating plate to be attached to and fixed with the rail joint, the first guide shaft and the second guide shaft can enable the dial indicator to move, so that multipoint comprehensive measurement is carried out on the rail joint, the vector of each part of the rail joint can be measured rapidly, and the measurement is more accurate through the dial indicator. And the structure is simple, the manufacturing cost is low, the operation is convenient, and the efficiency is high.
Drawings
FIG. 1 is a schematic view of a rail joint flatness measuring instrument according to the present utility model from one perspective;
FIG. 2 is a schematic view of another view of the rail joint flatness measuring instrument according to the present utility model;
FIG. 3 is an enlarged view of the portion A of FIG. 1;
FIG. 4 is a schematic view of the structure of the rail joint flatness measuring instrument for measuring the top surface vector of the rail joint according to the present utility model;
fig. 5 is a schematic structural view of the rail joint flatness measuring instrument for measuring the side vectoring of the rail joint according to the present utility model.
Description of the reference numerals
The device comprises a 1-dial indicator, a 2-first positioning plate, a 3-second positioning plate, a 4-accommodating groove, a 5-first guide shaft, a 6-first shaft sleeve, a 7-second guide shaft, an 8-second shaft sleeve, a 9-fixing sleeve, a 10-sleeve, an 11-jacking screw, a 12-magnetic fixing piece, a 13-measuring rod, a 14-guide groove, a 15-guide block and a 16-rail joint.
Detailed Description
The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the utility model, and such equivalents are intended to fall within the scope of the utility model as defined herein.
As shown in fig. 1 to 5, a steel rail joint flatness measuring instrument comprises a dial indicator 1, a first positioning plate 2 and a second positioning plate 3 which are perpendicular to each other and fixedly connected, wherein an accommodating groove 4 is formed in the first positioning plate 2, first guide shafts 5 are respectively arranged at two ends of the accommodating groove 4, first shaft sleeves 6 are respectively sleeved on the first guide shafts 5 in a sliding manner, second guide shafts 7 are arranged between the first shaft sleeves 6, two ends of the second guide shafts 7 are respectively fixedly connected with the first shaft sleeves 6, a second shaft sleeve 8 is sleeved on the second guide shafts 7 in a sliding manner, a fixing sleeve 9 is fixedly connected to the outer wall of the second shaft sleeve 8, the fixing sleeve 9 is sleeved on the sleeve 10 of the dial indicator 1 in a sliding manner, a tightening screw 11 is connected to the fixing sleeve 9 in a threaded manner, and magnetic attraction fixing pieces 12 are respectively arranged on the first positioning plate 2 and the second positioning plate 3.
Specifically, first locating plate 2 and second locating plate 3 are fixed through the top surface and the side laminating of piece can be with rail joint 16 are inhaled to the magnetism, first locating plate 2 after the laminating, second locating plate 3 and holding tank 4's length direction is the same with rail joint 16's length direction, first guiding axle 5 is perpendicular with holding tank 4's length direction, and first locating plate 2 is parallel to first guiding axle 5, two first guiding axles 5 and two first axle sleeves 6 equal symmetry set up, second guiding axle 7 respectively with two first guiding axles 5 perpendicularly, second guiding axle 7 sets up along holding tank 4 length direction, second axle sleeve 8 sets up to only can follow second guiding axle 7 axial slip, can not rotate for second guiding axle 7, the central axis perpendicular to first locating plate 2 of fixed sleeve 9, make the sleeve 10 and the measuring rod 13 of micrometer gauge 1 all perpendicular to first locating plate 2, holding tank 4 runs through first locating plate 2 along the direction perpendicular to first locating plate 2, make the gauge head of micrometer gauge 1 can contact with rail joint 16, the micrometer gauge 1 can be tightly supported by sleeve 10, and the micrometer gauge 1 can be fixed in the realization principle, and this technique is simple, and the micrometer gauge 1 is realized.
The rail joint flatness measuring instrument in this embodiment needs to calibrate before measuring, can select a standard straight rail, place this straight rail with rail joint flatness measuring instrument in this embodiment on, first locating plate 2 is through the magnet piece laminating with the top surface of straight rail, second locating plate 3 is through the magnet piece laminating with the side of straight rail, loosen the tight screw in top, make the gauge head of amesdial 1 offset with straight rail, amesdial 1's measuring stick 13 shrink, screw up the tight screw of setting and fix amesdial 1, adjust amesdial 1's pointer to aim at zero scale mark, accomplish the calibration. If the top surface vector of the rail joint 16 is measured, the rail joint flatness measuring instrument is placed on the rail joint 16 in the middle, the first positioning plate 2 is attached and fixed to the top surface of the rail joint 16 through the magnetic attraction piece, the second positioning plate 3 is attached and fixed to the side surface of the rail joint 16 through the magnetic attraction piece, the dial indicator 1 is lifted, the dial indicator 1 is put down after moving to the measured position, the reading record is read, and the operation is repeated until all required data are measured, and the measurement is finished. If the side surface vector of the rail joint 16 is measured, the rail joint flatness measuring instrument is placed on the rail joint 16 in the middle, the first positioning plate 2 is attached and fixed to the side surface of the rail joint 16 through the magnetic attraction piece, the second positioning plate 3 is attached and fixed to the top surface of the rail joint 16 through the magnetic attraction piece, the dial indicator 1 is lifted, the dial indicator 1 is put down after moving to the measured position, the reading record is read, and the operation is repeated until all required data are measured, and the measurement is finished.
In some embodiments, the first positioning plate 2 is integrally formed with the second positioning plate 3.
In some embodiments, the second guiding shaft 7 is provided with a guiding groove 14, and the second sleeve 8 is provided with a guiding block 15 matched with the guiding groove 14.
The rail joint flatness measuring instrument in this embodiment is fixed with the laminating of rail joint 16 with first locating plate 2 and second locating plate 3 through setting up magnetism and inhale mounting 12, and first guiding axle 5 and second guiding axle 7 can make the amesdial 1 remove, and then carries out the comprehensive measurement of multiple spot to rail joint 16, can measure the vector at each position of rail joint 16 fast, and it is more accurate to measure through amesdial 1. And the structure is simple, the manufacturing cost is low, the operation is convenient, and the efficiency is high.
Claims (3)
1. The utility model provides a rail joint flatness measuring apparatu, its characterized in that includes the amesdial to and mutually perpendicular and fixed connection's first locating plate and second locating plate, be equipped with the holding tank on the first locating plate, be equipped with first guiding axle in the holding tank both ends respectively, two on the first guiding axle slip cap is equipped with first axle sleeve respectively, two be equipped with the second guiding axle between the first axle sleeve, the both ends of second guiding axle respectively with two first axle sleeve fixed connection, slip cap is equipped with the second axle sleeve on the second guiding axle, second axle sleeve outer wall fixedly connected with fixed cover, fixed cover with the sleeve slip cup joint of amesdial, threaded connection has the tight screw in top on the fixed cover, all be equipped with magnetism on first locating plate and the second locating plate and inhale the mounting.
2. A rail joint flatness measuring instrument according to claim 1, characterized in that: the first locating plate and the second locating plate are integrally formed.
3. A rail joint flatness measuring instrument according to claim 1, characterized in that: the second guide shaft is provided with a guide groove, and the second sleeve is provided with a guide block matched with the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321822476.4U CN220454493U (en) | 2023-07-11 | 2023-07-11 | Rail joint flatness measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321822476.4U CN220454493U (en) | 2023-07-11 | 2023-07-11 | Rail joint flatness measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220454493U true CN220454493U (en) | 2024-02-06 |
Family
ID=89727188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321822476.4U Active CN220454493U (en) | 2023-07-11 | 2023-07-11 | Rail joint flatness measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220454493U (en) |
-
2023
- 2023-07-11 CN CN202321822476.4U patent/CN220454493U/en active Active
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