CN210719030U - Longitudinal micro-displacement measuring device for seamless line - Google Patents
Longitudinal micro-displacement measuring device for seamless line Download PDFInfo
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- CN210719030U CN210719030U CN201921711021.9U CN201921711021U CN210719030U CN 210719030 U CN210719030 U CN 210719030U CN 201921711021 U CN201921711021 U CN 201921711021U CN 210719030 U CN210719030 U CN 210719030U
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Abstract
The utility model relates to a measuring device for longitudinal micro-displacement of a jointless track, which comprises a laser emitter, a base and a positioning measurer; the base comprises a support leg and a fixed seat arranged above the support leg, the bottom of the support leg is fixed on a vertical bolt of the sleeper, a laser emitter is arranged on the fixed seat, and a laser point of the laser emitter is vertically projected on the rail web; the positioning measurer comprises a scale area fixed on the rail waist and a two-dimensional code identification area arranged on the side edge of the scale area; the scale area is arranged corresponding to the position of the base, so that the laser point of the laser emitter is vertically projected on the scale area; a two-dimensional code is arranged in the two-dimensional code identification area, the two-dimensional code is a live code, and the two-dimensional code comprises a position number of a current test point and monitoring position information; the monitored position information includes the position of the laser spot projected onto the scale area and the time at which the position was recorded. The device simple structure reasonable in design, simple to operate, measurement accuracy are high, have the advantage of conveniently looking over historical monitoring data.
Description
Technical Field
The utility model relates to a seamless line displacement measurement technical field, concretely relates to measuring device of vertical micrometric displacement of seamless line.
Background
The measurement and observation of the displacement of the seamless line of the high-speed railway are key inspection and measurement items for measuring the high-speed railway line, and the observation value directly influences the formulation and execution of the workshop maintenance task. Due to temperature change, corresponding longitudinal temperature stress can be stored in the steel rail, the steel rail can be broken in cold weather, and the rail track can be expanded in hot weather, so that trains passing through the steel rail are derailed or overturned, and serious train accidents are caused. Therefore, rail displacement measurement plays an important role in seamless track safety detection.
In the prior art, the rail longitudinal displacement is measured mostly by manually measuring the rail longitudinal displacement change or in a contact manner, that is, the displacement change of each displacement observation point is manually measured in the construction process. The manual measurement mode has low measurement precision, is easy to cause human errors, has poor repeatability and can not meet the requirement of real-time measurement in the construction process. The prior art also has the mode of installing measuring device at the rail railhead of rail and carrying out the measurement, and this kind of technical scheme can't real-time supervision rail displacement, and many times dismouting causes complex operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defect among the prior art, design a measuring device of the vertical micrometric displacement of seamless circuit, the device simple structure reasonable in design, simple to operate, measurement accuracy are high, the error is little to have the convenient advantage of looking over historical monitoring data.
In order to achieve the above object, the present invention adopts the following technical solutions.
A measuring device for longitudinal micro-displacement of a seamless line comprises a laser emitter, a base and a positioning measurer;
the base comprises a support leg and a fixed seat arranged above the support leg, the bottom of the support leg is fixed on a vertical bolt of a sleeper, the fixed seat is provided with the laser emitter, and a laser point of the laser emitter is vertically projected on a rail web;
the positioning measurer comprises a scale area fixed on the rail waist and a two-dimensional code identification area arranged on the side edge of the scale area; the scale area is arranged corresponding to the position of the base, so that a laser point of the laser emitter is vertically projected on the scale area; a two-dimensional code is arranged in the two-dimensional code identification area, the two-dimensional code is a live code, and the two-dimensional code comprises a position number and monitoring position information of a current test point; the monitored position information includes the position of the laser spot projected onto the scale area and the time when the position is recorded.
Furthermore, a through hole which penetrates through the fixed seat and is vertical to the rail and is circular in cross section is formed in the fixed seat, a first threaded hole communicated with the through hole is vertically formed in the upper side of the fixed seat, the axis of the first threaded hole is vertically intersected with the axis of the through hole, and a first bolt is screwed on the first threaded hole; the laser emitter is of a cylindrical structure, and the front side of the laser emitter is inserted into the through hole and locked by the first bolt.
Furthermore, the bottom of the supporting leg is provided with a hole, the side edge of the supporting leg is provided with a second threaded hole, the axis of the second threaded hole is vertically intersected with the axis of the hole, and a second bolt is screwed on the second threaded hole.
Further, a strip-shaped finger rod parallel to the axis of the through hole is arranged at the lower part of the support leg and extends towards the track position; and track vertical line marks are arranged at the side edge positions of the tracks on the sleepers.
Further, the track vertical line is marked with a plurality of parallel lines perpendicular to the track.
Further, the scale district is fixed in on the rail waist with the form of pasting, the scale district includes the bottom plate, locates scale on bottom plate upper portion with locate the removal strip of bottom plate lower part constitutes, remove the strip and include the slide rail and locate slider on the slide rail constitutes, the slider is the isosceles triangle structure, isosceles triangle's apex angle is directional the scale.
Still further, the rail side of the slide rail is of a tooth structure, and the side part of the slide block, which is in contact with the rail side of the slide rail, is of a tooth structure.
The measuring device for the longitudinal micro-displacement of the seamless line measures the micro-displacement of the positioning change of the scale through the laser transmitter arranged on the vertical bolt of the sleeper, and has simple structure, low cost and high measuring precision; and the comprehensive monitoring information of the target test point can be easily obtained by setting the two-dimensional code data.
Drawings
FIG. 1 is a schematic structural diagram of a measuring apparatus of embodiment 1 of the longitudinal micro-displacement of the jointless track;
FIG. 2 is a schematic structural view of a positioning measuring device according to embodiment 1;
FIG. 3 is a schematic cross-sectional view of a laser emitter and a base according to embodiment 2;
FIG. 4 is a schematic structural view of a laser transmitter and a base according to embodiment 2;
FIG. 5 is a schematic structural view of a positioning measurer according to embodiment 3;
fig. 6 is a schematic cross-sectional view of a moving strip of example 3.
Detailed Description
The following describes a specific embodiment of the measuring device for longitudinal micro-displacement of a seamless line according to the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby. It should be noted that, for those skilled in the art, without departing from the technical principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Example 1
Fig. 1-2 show an embodiment of the measuring device for longitudinal micro-displacement of a seamless line according to the present invention, which includes a laser emitter 1, a base 2 and a positioning measurer 3.
The base 2 comprises a supporting leg 20 and a fixing seat 21 arranged above the supporting leg 20, the bottom of the supporting leg 20 is fixed on a vertical bolt of the sleeper 9, the laser emitter 1 is installed on the fixing seat 21, and a laser point of the laser emitter 1 is perpendicularly projected onto a rail web.
The positioning measurer 3 comprises a scale area 30 fixed on the rail web and a two-dimensional code identification area 31 arranged on the side edge of the scale area 30; the scale area 30 is arranged corresponding to the position of the base 2, so that the laser point of the laser emitter 1 is vertically projected on the scale area 30; a two-dimensional code is arranged in the two-dimensional code identification area 31, the two-dimensional code is a live code, and the two-dimensional code comprises a position number and monitoring position information of a current test point; the monitored position information includes the position of the laser spot projected onto the scale area and the time when the position is recorded.
Fixing the positioning measurer on a vertical bolt of a sleeper, and enabling an emitting head of a laser emitter to face a rail waist to ensure that a laser point is perpendicular to the rail waist; meanwhile, the scale area is attached to the rail waist, the laser point is guaranteed to be in the range of the scale area, the laser point is arranged in the middle of the scale area during initial installation, and the laser point is calibrated at the position of 0 point of the scale. When the steel rail is displaced, the scale area is displaced, and displacement data can be obtained according to the position of the last laser point by observing the position of the laser point at the moment.
In the embodiment, a live code is arranged in a two-dimensional code identification area and used for coding a distributed website, the website is adjusted after scanning, detection data in the website is updated at any time through a manual or self-service monitoring system, and a detector can obtain a position number and monitoring position information of a target test point corresponding to the position by scanning the website; the inspector can easily obtain the corresponding monitoring information.
Example 2
On the basis of embodiment 1, the present embodiment is further modified as follows.
As shown in fig. 3-4, a through hole 22 which vertically penetrates through the rail and has a circular cross section is formed in the fixing seat 21, a first threaded hole 23 communicated with the through hole 22 is vertically formed in the upper side of the fixing seat 21, the axis of the first threaded hole 23 is vertically intersected with the axis of the through hole 22, and a first bolt 24 is screwed on the first threaded hole 23; the laser transmitter 1 is of a cylindrical structure, and the front side of the laser transmitter 1 is inserted into the through hole 22 and locked by the first bolt 24.
The bottom of the supporting leg 20 is provided with a hole 25, the side edge of the supporting leg is provided with a second threaded hole 26, the axis of the second threaded hole 26 is perpendicular to the axis of the hole 25, and a second bolt 27 is screwed on the second threaded hole 26. Can carry out dismouting and fixed, the maintenance operation in the later stage of being convenient for with laser emitter through the adjustment of second bolt.
The lower part of the supporting foot 20 is provided with a strip-shaped finger 28 parallel to the axis of the through hole 22, and the strip-shaped finger 28 extends towards the track position; and a track vertical line mark 4 is arranged at the side edge position of the track on the sleeper 9. The track vertical line markers 4 consist of a number of parallel lines perpendicular to the track. The bar finger all the time keeps parallel with track perpendicular line sign under the in-service use, can audio-visual judgement current laser emitter through both comparisons whether perpendicular with the rail web, if out of plumb, then finely tune the fixing base position through first bolt elasticity operation to guarantee the accurate positioning of laser emitter's laser spot.
Example 3
On the basis of embodiment 1, the present embodiment is further modified as follows.
Fig. 5 shows, scale district 30 is fixed in the rail waist with the form of pasting on, scale district 30 includes bottom plate 35, locates scale 33 on bottom plate 35 upper portion with locate the removal strip of bottom plate 35 lower part constitutes, the removal strip includes slide rail 34 and locates slider 36 on the slide rail 34 constitutes, slider 36 is the isosceles triangle structure, isosceles triangle's apex angle is directional scale 33.
The side edge of the slide rail 34 is a tooth structure, and the side of the slide block 36 contacting with the side edge of the slide rail 34 is a tooth structure, as shown in fig. 6.
When the detector visually detects the current value, the position of the last laser point recorded by the position of the slide block on the scale is compared with the position of the current laser point, and then displacement change data can be obtained. In addition, the tooth structures of the sliding rail and the sliding block enable the sliding between the sliding rail and the sliding block to have large friction force, the sliding block is prevented from being influenced by the outside, and the sliding block is enabled to shake easily to cause data deviation.
The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.
Claims (7)
1. A measuring device for longitudinal micro-displacement of a seamless line is characterized by comprising a laser emitter (1), a base (2) and a positioning measurer (3);
the base (2) comprises a supporting leg (20) and a fixed seat (21) arranged above the supporting leg (20), the bottom of the supporting leg (20) is fixed on a vertical bolt of a sleeper (9), the laser emitter (1) is installed on the fixed seat (21), and a laser point of the laser emitter (1) is vertically projected on a rail waist;
the positioning measurer (3) comprises a scale area (30) fixed on the rail web and a two-dimensional code identification area (31) arranged on the side edge of the scale area (30); the scale area (30) is arranged corresponding to the position of the base (2), so that the laser point of the laser emitter (1) is perpendicularly projected on the scale area (30); a two-dimensional code is arranged in the two-dimensional code identification area (31), the two-dimensional code is a live code, and the two-dimensional code comprises a position number and monitoring position information of a current test point; the monitored position information includes the position of the laser spot projected onto the scale area and the time when the position is recorded.
2. The device for measuring the longitudinal micro-displacement of the seamless line according to claim 1, wherein a through hole (22) which is perpendicular to the track and has a circular cross section is arranged on the fixed seat (21), a first threaded hole (23) which is communicated with the through hole (22) is vertically arranged on the upper side of the fixed seat (21), the axis of the first threaded hole (23) is perpendicular to the axis of the through hole (22), and a first bolt (24) is screwed on the first threaded hole (23); the laser emitter (1) is of a cylindrical structure, and the front side of the laser emitter (1) is inserted into the through hole (22) and locked by the first bolt (24).
3. The device for measuring the longitudinal micrometric displacement of a jointless track as claimed in claim 2, characterized in that the bottom of said leg (20) is provided with a hole (25) and the side thereof is provided with a second threaded hole (26), the axis of said second threaded hole (26) is perpendicularly crossed with the axis of the hole (25), and a second bolt (27) is screwed into said second threaded hole (26).
4. A device for measuring longitudinal micro-displacement of a seamless line according to claim 3, characterized in that the lower part of the leg (20) is provided with a bar-shaped finger (28) parallel to the axis of the through hole (22), the bar-shaped finger (28) extending towards the track position; and a track vertical line mark (4) is arranged at the side edge position of the track on the sleeper (9).
5. The device for measuring longitudinal micro-displacement of a seamless line according to claim 4, characterized in that the track vertical line marker (4) consists of a plurality of parallel lines perpendicular to the track.
6. The device for measuring the longitudinal micro-displacement of the seamless line according to claim 1, wherein the scale area (30) is fixed on a rail waist in a sticking manner, the scale area (30) comprises a bottom plate (35), a scale (33) arranged on the upper part of the bottom plate (35) and a moving strip arranged on the lower part of the bottom plate (35), the moving strip comprises a slide rail (34) and a slide block (36) arranged on the slide rail (34), the slide block (36) is in an isosceles triangle structure, and the vertex angle of the isosceles triangle points to the scale (33).
7. The device for measuring longitudinal micro-displacement of a seamless line according to claim 6, wherein the side of the slide rail (34) is of a tooth structure, and the side of the slide block (36) in contact with the side of the slide rail (34) is of a tooth structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921711021.9U CN210719030U (en) | 2019-10-12 | 2019-10-12 | Longitudinal micro-displacement measuring device for seamless line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921711021.9U CN210719030U (en) | 2019-10-12 | 2019-10-12 | Longitudinal micro-displacement measuring device for seamless line |
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| Publication Number | Publication Date |
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| CN210719030U true CN210719030U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921711021.9U Active CN210719030U (en) | 2019-10-12 | 2019-10-12 | Longitudinal micro-displacement measuring device for seamless line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326460A (en) * | 2020-09-22 | 2021-02-05 | 河南大学 | Practical shear member bearing capacity test device |
| CN112813749A (en) * | 2021-01-05 | 2021-05-18 | 中国神华能源股份有限公司神朔铁路分公司 | Rail displacement viewer |
-
2019
- 2019-10-12 CN CN201921711021.9U patent/CN210719030U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326460A (en) * | 2020-09-22 | 2021-02-05 | 河南大学 | Practical shear member bearing capacity test device |
| CN112326460B (en) * | 2020-09-22 | 2022-02-22 | 河南大学 | Practical shear member bearing capacity test device |
| CN112813749A (en) * | 2021-01-05 | 2021-05-18 | 中国神华能源股份有限公司神朔铁路分公司 | Rail displacement viewer |
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