CN211926760U - Turnout top bend size measuring device - Google Patents
Turnout top bend size measuring device Download PDFInfo
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- CN211926760U CN211926760U CN202020145356.5U CN202020145356U CN211926760U CN 211926760 U CN211926760 U CN 211926760U CN 202020145356 U CN202020145356 U CN 202020145356U CN 211926760 U CN211926760 U CN 211926760U
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- laser
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Abstract
The utility model discloses a curved size measurement device in switch top, including emitter and receiving arrangement. Wherein emitter fixed mounting is on the straight section of rail, by 16mm department under the railhead top surface of laser section of thick bamboo, the laser of launching parallel with straight section to shine receiving arrangement's scale zero point, and then make the scale contact rail work limit through promoting the scale, can the accurate measurement laser and work limit distance, according to the given allowable deviation value of standard, judge whether qualified the size of kicking. The utility model is used for measure device of switch back curve has maneuverability, can more accurately detect the size condition of switch back curve, convenient operation, swift, in fields such as authentication, detection, production, scientific research of switch back curve process on probation.
Description
Technical Field
The utility model discloses be applied to the railway survey technical field, specifically be a switch top bend size measurement device.
Background
The quality condition of the turnout top bending process is one of important factors for determining the alignment of the turnout, and is an important process in turnout production and manufacturing, but the current detection method has large error of a detected result and cannot accurately judge the turnout top bending condition.
One of the original measurement modes is sample plate detection, but the precision of the sample plate cannot be determined, and the current sample plate cannot be calibrated and verified by professional institutions. In the measurement, the qualification judgment of the whole bending condition is carried out through the size of the gap between the sample plate and the bending area, and the precision of the detection method needs further analysis. The second measurement mode is the detection of the broken lines, the distance between the specified position extending along the straight line direction and the bending point is detected, and then the distance is compared with the theoretical distance, so that the qualification judgment of the top bending condition is carried out by the method. However, the straight-line direction delay condition is determined by the distance between the straight-line direction delay condition and the parallel plane of the steel rail, the measuring tape is used for reading data, all operation steps are manually confirmed, certain errors are caused, and the accuracy of the detection method needs further analysis.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a device of switch kicking size to the laser that emitter jetted out is the datum line, utilizes the reading part to the measurement and the debugging of datum line and straight section rail distance at the multiposition, and the accurate datum line and the straight section parallel state of rail of guaranteeing. The reading part automatically displays the digital detection result, and the numerical value can reach two digits after the decimal point. And judging whether the steel rail is qualified or not according to the deviation value given by the standard. Therefore, the measurement accuracy is greatly improved.
The utility model discloses device of switch back bend size, including emitter and receiving arrangement.
The transmitting device is fixed on the straight section of steel rail, the transmitting device is provided with a laser barrel, and the transmitting end of the laser barrel bends towards the top of the steel rail turnout. The receiving device is a scale which can move transversely and is arranged on the lifting platform.
When the size of the top bend of the turnout is measured, the emitter is fixed on the straight steel rail, the laser emitter emits laser parallel to the straight steel rail, and the laser irradiates the scale 0 scale at the detection position. Then slowly pushing the scale to the front end of the scale to be in contact with the working edge of the steel rail, and automatically displaying the moving distance value of the scale by the digital display meter, namely the size of the top bend of the steel rail.
The utility model has the advantages that:
1. the utility model discloses the size device of the top bend of the turnout utilizes the reference line ejected by laser and the digital display result, and the measurement result is more accurate;
2. the utility model discloses switch device of bending size can measure and judge each position of rail bending.
Drawings
Figure 1 is the utility model discloses switch top bend size measurement device user state sketch map.
Figure 2 is the utility model discloses emitter schematic structure among the curved size measurement device in switch top.
Figure 3 is the utility model discloses receiving arrangement schematic diagram among the curved size measurement device of switch top.
In the figure:
1-transmitting device fixing plate 2-receiving device laser barrel 101-receiving device
102-laser barrel 103-magnet 201-base
202-lifting platform 203-scale 204-digital display meter
a-rail head top surface paste, section b-rail head side surface paste and section c-rail head circular arc surface matching section
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model discloses switch back curve size measuring device, including emitter 1 and receiving arrangement 2, as shown in figure 1.
The emitting device 1 includes a fixing plate 101 and a laser barrel 102, as shown in fig. 2. The fixing plate 101 is used for fixing the steel rail and is divided into three sections from left to right. The left section is a rail head top surface pasting section a, and the inner side surface is a horizontal surface for pasting the rail head top surface. The middle section is a railhead arc surface matching section b, the size of each steel rail has a positive and negative difference value, and the size is very easy to approach critical due to the complex position shape of the arc surface of the middle section, so that in order to avoid the adverse effect of railhead arc surface attachment and section 102 on the accuracy of measured data, the inner side of the railhead arc surface matching section b is designed to be an inner concave surface with the depth of 0.8 mm; the right section is a rail head side surface pasting section c, and the inner side surface is an inclined surface with the lower part inclined outwards and is used for pasting the rail head side surface; and the rail head top surface paste and section a, the rail head arc surface matching section b, the rail head side surface paste and section c respectively have the profile size 1 with the standard section of the detected type steel rail: 1 proportion, and the sizes of the arc surface and the side surface correspond to the top surface and the arc surface of the standard steel rail head to be detected respectively. The fixing plate 101 is made of high-strength wear-resistant material, and the machining error is less than 0.1 mm.
The circular magnets 103 are installed in the rail head top surface adhering section a and the rail head side surface adhering section c, so that the fixing plate 101 can be stably adhered to the rail and is not easy to move.
The receiving device 2 comprises a base 201, an elevating platform 202, a scale 203 and a digital display meter 204. Wherein the elevating platform 202 is vertically arranged, and the bottom end is fixed on the base 201. The elevating platform 202 is provided with a vertical sliding rail, the sliding block is connected with the sliding rail in a sliding fit manner, the sliding block is provided with a horizontally arranged scale 203, the maximum ascending height range of the elevating platform 202 is 140mm to 180mm, the lifting of the scale 203 is realized through the elevating platform 202, and the height detection requirement of the top bending size of all turnout models in China can be met. And a digital display meter is arranged on the scale 203 in a matching way and is used for reading the scale 203. The length of the scale 203 is designed to be larger than 1000mm, so that the scale 203 can be scaled by 0-1000 mm and can cover the detection requirements of the top bending size length of all turnout models in China; and the length of the 0 scale on the scale 203 from the front end of the scale 203 is equal to the horizontal distance between the laser and the working edge of the steel rail.
The utility model discloses the curved size measurement device in switch top concrete working process does:
after the straightness of the straight section steel rail is accurately controlled, the fixing plate 1 is fixed on the straight section steel rail, laser emitted in parallel with the straight section steel rail is used as a reference line, the receiving device 2 is used for measuring the distance between the starting point position of the straight section, the final point position of the straight section and the reference line, if the deviation is large, the angle of the laser barrel is changed, and the final accurate parallel condition of the reference line and the straight section is guaranteed.
Put receiving arrangement 2 into the detection position afterwards, rise to the datum line height with scale 201, make the laser of 2 launches of laser section of thick bamboo and 0 scale mark coincidence of scale 203, clear reading device display screen data this moment, promote scale 203 slowly to the contact of scale 203 front end and rail work limit, the distance numerical value that the digital display table will automize display scale removal, be the switch size of bending at receiving arrangement 2 position department promptly, numerical value can reach two behind the decimal point. And finally, judging whether the size of the top bend is qualified or not according to an allowable deviation value given by a standard.
Claims (10)
1. The utility model provides a bent size measurement device in switch top which characterized in that: comprises a transmitting device and a receiving device;
the transmitting device is fixed on the flat section steel rail, a laser barrel is arranged on the transmitting device, and the transmitting end of the laser barrel bends towards the top of the steel rail turnout;
the receiving device is a scale which can move transversely and is arranged on the lifting platform.
2. The switch bow dimension measuring device of claim 1, wherein: the fixing device comprises a fixing plate and a laser barrel; the fixing plate is used for fixing the steel rail and is divided into three sections from left to right; the left section is a rail head top surface pasting section; the middle section is a rail head arc surface matching section; the right section is a rail head side surface paste section which is respectively matched with the profile size 1 of the standard section of the detected type steel rail: 1 ratio.
3. The switch bow dimension measuring device of claim 2, wherein: the inner side of the rail head arc surface matching section b is designed to be an inner concave surface.
4. The switch bow dimension measuring device of claim 2, wherein: the fixed plate is made of high-strength wear-resistant materials, and the machining error is less than 0.1 mm.
5. The switch bow dimension measuring device of claim 1, wherein: the magnet is embedded in the launching device to adsorb the steel rail.
6. The switch bow dimension measuring device of claim 1, wherein: the magnet is embedded in the launching device to adsorb the steel rail.
7. The switch bow dimension measuring device of claim 1, wherein: when the laser emitted by the laser cylinder is parallel to the steel rail and the horizontal plane, the horizontal distance between the laser and the working edge of the steel rail is 10mm, and the vertical distance between the laser and the top surface of the rail head is 16 mm.
8. The switch bow dimension measuring device of claim 1, wherein: the maximum height range of the lifting platform is 140mm to 180 mm.
9. The switch bow dimension measuring device of claim 1, wherein: the length of the scale is larger than 1000mm, and the scale is provided with 0-1000 mm scales.
10. The switch bow dimension measuring device of claim 1, wherein: the distance between the 0 scale on the scale and the front end of the scale is equal to the horizontal distance between the laser and the working edge of the steel rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020145356.5U CN211926760U (en) | 2020-01-22 | 2020-01-22 | Turnout top bend size measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020145356.5U CN211926760U (en) | 2020-01-22 | 2020-01-22 | Turnout top bend size measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211926760U true CN211926760U (en) | 2020-11-13 |
Family
ID=73351184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020145356.5U Active CN211926760U (en) | 2020-01-22 | 2020-01-22 | Turnout top bend size measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211926760U (en) |
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2020
- 2020-01-22 CN CN202020145356.5U patent/CN211926760U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221107 Address after: 100000F12, Block A, Dingxing Building, No. 5 Fenghuangzui Road, Fengtai District, Beijing Patentee after: CHINA RAILWAY MATERIALS TECHNOLOGY Co.,Ltd. Patentee after: China Railway Material General operation and Maintenance Technology Co.,Ltd. Address before: 13 / F, block C, Guohai Plaza, 17 Fuxing Road, Haidian District, Beijing 100031 Patentee before: CHINA RAILWAY MATERIALS TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |