CN210802385U

CN210802385U - Rail inspection car height displacement meter

Info

Publication number: CN210802385U
Application number: CN201922351110.3U
Authority: CN
Inventors: 乔海龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-06-19
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a track inspection car height displacement meter, including the mounting panel, the fixed support that is provided with in mounting panel bottom, the concave station has been seted up at support front side middle part, a plurality of groups wire casings have vertically been seted up at the concave station middle part, a plurality of groups screw have all been seted up to the both sides that the concave station bottom is close to the wire casing, laser range finding sensor has been put to the concave station bottom. The utility model discloses an install laser rangefinder sensor and support, the mounting panel of accessible support is fixed in the laser rangefinder sensor on the mounting platform of road detection car, by laser rangefinder sensor's echo analysis principle, carries out its and the determinand interval of non-contact displacement measurement to give external data terminal through the treater with data transmission and carry out data collection, can solve current contact measurement mode detection efficiency and precision and hang down and reduce the work load problem of maintaining, be fit for extensively promoting and using.

Description

Rail inspection car height displacement meter

Technical Field

The utility model relates to a track detects technical field, specifically is a track inspection car height displacement meter.

Background

At present, a track inspection vehicle is dynamic detection equipment which ensures the operation safety of railway lines, comprehensively improves the quality state of the lines and guides the maintenance and the repair of the lines to be effective. The validity, reliability and accuracy of the inspection data have extremely important effects on the railway operation safety and the line maintenance. At present, displacement component signals in the height detection project of a domestic GJ-4 type rail inspection vehicle are collected by using a string pulling displacement meter, and the vertical displacement of the vehicle body relative to an inertial reference is measured. The working principle of the string pulling displacement meter is to convert mechanical motion into an electric signal which can be measured. The string pulling type displacement meter is formed by winding a stretchable stainless steel string rope on a hub, the hub is connected with a precision rotary potentiometer, one end of the hub is fixed with a vehicle body, and the other end of the hub is connected with a shaft box cover. In the process of stretching and retracting the pull string, an electric signal proportional to the moving distance of the pull string is output, and the signal is measured to obtain the displacement of the up-and-down motion of the wheel rail contact point.

In implementing the present invention, the inventor finds that the following problems exist in the prior art and are not solved: the existing track inspection vehicle mostly adopts a string pulling displacement meter as contact measurement, and has the following defects in the use process, namely, the track inspection vehicle is easy to damage, the service life cycle is about 5000 kilometers generally, the maintenance and replacement frequency is high, and the consumption is high; secondly, the detection process is easily affected by foreign matters or self quality reduction, the data distortion phenomenon occurs, and the real condition of the track quality can not be accurately reflected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a track inspection car height displacement meter, through installing laser rangefinder sensor and support, the mounting panel of accessible support is fixed in laser rangefinder sensor on the mounting platform of road detection car, echo analysis principle by laser rangefinder sensor, carry out non-contact displacement measurement its and determinand interval, and give external data terminal through the treater with data transmission and carry out data acquisition, replace current contact measurement and compare, it still less to have the restriction, efficiency is higher, do not harm the measurement surface, be difficult for receiving the influence of measurand surface state, can solve current contact measurement mode detection efficiency and precision low and reduce the work load problem of maintaining, the problem of proposing in the background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: a height displacement meter of a track inspection vehicle comprises a mounting plate;

the mounting plate is fixedly provided with a support at the bottom, a concave table is arranged in the middle of the front side of the support, a plurality of groups of wire grooves are longitudinally formed in the middle of the concave table, a plurality of groups of screw holes are formed in the two sides of the bottom of the concave table close to the wire grooves, a laser ranging sensor is arranged at the bottom of the concave table, a shell of the laser ranging sensor is screwed with the screw holes in the concave table through bolts, a processor is fixedly arranged in the middle of the upper surface of the laser ranging sensor, the data output end of the laser ranging sensor is connected with the data input end of the processor, the processor is connected with an external data terminal through a data line, and a probe is;

the protection casing is put to the outside that the support bottom is close to the probe and the protection casing is made for transparent material, the protection casing left and right sides all fixes and is provided with branch, peg graft in the sleeve in the branch middle part and two sets of sleeves are fixed respectively and are provided with on the support left and right sides two outer walls, two sets of branch top is fixed and is provided with the fly leaf, the support left and right sides two outer walls are close to the fixed dog that is provided with directly over the fly leaf, the downside winding that branch is close to the fly leaf has the spring and both ends respectively with fly leaf and sleeve.

As an optimal implementation mode of the utility model, the mounting hole has all been seted up to mounting panel edges and corners department.

As an optimized embodiment of the utility model, the interval is 1cm between protection casing and the laser rangefinder sensor.

As an optimized embodiment of the utility model, the circle is enclosed fixedly in the wire casing and is provided with the rubber circle.

As a preferred embodiment of the present invention, the stopper and the sleeve are both fixedly connected to the bracket by welding.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a track inspection car height displacement meter, through installing laser rangefinder sensor and support, the mounting panel of accessible support is fixed in laser rangefinder sensor on the mounting platform of road detection car, by laser rangefinder sensor's echo analysis principle, carry out its and the determinand interval of non-contact displacement measurement, and give external data terminal with data transmission through the treater and carry out data collection, replace current contact measurement and compare, it still less to have the restriction, efficiency is higher, do not harm the measurement surface, be difficult for receiving measured object surface state influence, can solve current contact measurement mode detection efficiency and precision and low and the work load problem that reduces the maintenance.

2. The utility model relates to a track inspection car height displacement meter through installing protection casing and spring, can prevent through the protection casing that the raise dust from adsorbing on the probe mirror surface and the rubble from assaulting laser range sensor, plays the guard action, and simultaneously during the inspection car is marchd, wind-force and automobile body top can make the branch of protection casing shift up, and branch upwards strikes the dog and produces the vibration to the tension and the pulling force effect of cooperation spring for the protection casing outer wall that shakes off adsorbs the raise dust, reducible vehicle is shut down and is cleared up protection casing frequency.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall cross-sectional structure of a displacement meter of a track inspection vehicle according to the present invention;

fig. 2 is the utility model relates to a track inspection car height displacement meter's laser rangefinder sensor operational structure schematic diagram.

In the figure: 1. mounting a plate; 2. a support; 3. a processor; 4. a movable plate; 5. a spring; 6. a strut; 7. a protective cover; 8. a probe; 9. a laser ranging sensor; 10. a sleeve; 11. a stopper; 12. a screw hole; 13. a concave platform; 14. a wire slot.

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a rail inspection vehicle height displacement meter comprises a mounting plate 1;

the bottom of the mounting plate 1 is fixedly provided with a support 2, the middle part of the front side of the support 2 is provided with a concave table 13, the middle part of the concave table 13 is longitudinally provided with a plurality of groups of wire grooves 14, two sides of the bottom of the concave table 13, which are close to the wire grooves 14, are respectively provided with a plurality of groups of screw holes 12, the bottom of the concave table 13 is provided with a laser ranging sensor 9, a shell of the laser ranging sensor 9 is screwed with the screw holes 12 on the concave table 13 through bolts, the middle part of the upper surface of the laser ranging sensor 9 is fixedly provided with a processor 3, the data output end of the laser ranging sensor 9 is connected with the data input end of the processor 3, the processor 3 is connected with an external data terminal through a data line;

the protection casing 7 and the protection casing 7 are made for transparent material to the outside that is close to probe 8 in support 2 bottom, the protection casing 7 left and right sides all fixes and is provided with branch 6, peg graft in sleeve 10 in the branch 6 middle part and on two sets of sleeve 10 fixed support 2 left and right sides two outer walls respectively, two sets of 6 top of branch is fixed and is provided with fly leaf 4, support 2 left and right sides two outer walls are close to and are fixed being provided with dog 11 directly over fly leaf 4, the downside winding that branch 6 is close to fly leaf 4 has spring 5 and spring 5 upper and lower both ends respectively with fly leaf 4 and sleeve 10 fixed connection.

In the embodiment (as shown in fig. 1 and fig. 2), the laser distance measuring sensor 9 and the bracket 2 are installed, the laser distance measuring sensor 9 can be fixed on the installation platform of the road detection vehicle through the installation plate 1 of the bracket 2, the distance between the laser distance measuring sensor 9 and the object to be measured is measured by the echo analysis principle of the laser distance measuring sensor 9, and the processor 3 transmits data to an external data terminal for data collection, compared with the existing contact measurement, the device has the advantages of less limitation, higher efficiency, no damage to the measurement surface, and no influence from the surface state of the object to be measured, can solve the problems of low detection efficiency and reduced maintenance workload of the existing contact measurement mode, and can prevent dust from being adsorbed on the mirror surface of the probe 8 and prevent broken stone from impacting the laser distance measuring sensor 9 through the installation of the protective cover 7 and the spring 5, thereby playing a, meanwhile, during the running period of the inspection vehicle, the wind power and the vehicle body are turned upwards to enable the support rod 6 of the protective cover 7 to move upwards, the support rod 6 upwards impacts the stop block 11 to generate vibration, and the tension of the spring 5 are matched for vibrating the outer wall of the protective cover 7 to adsorb flying dust, so that the frequency of cleaning the protective cover when the vehicle is stopped can be reduced.

Wherein, mounting holes are formed at the edges and corners of the mounting plate 1.

In this embodiment (as shown in fig. 1), the mounting plate 1 can be positioned on the mounting platform through the mounting holes by providing the mounting holes, and the mounting plate is convenient to replace and maintain due to the detachable connection manner.

Wherein, the distance between the protective cover 7 and the laser ranging sensor 9 is 1 cm.

In this embodiment (as shown in fig. 1), the distance between the protective cover 7 and the laser ranging sensor 9 is 1cm, so that the laser ranging sensor 9 is convenient to ventilate and dissipate heat, and the laser ranging sensor 9 is prevented from being damaged due to overheating.

Wherein, the inner ring of the wire casing 14 is fixedly provided with a rubber ring.

In this embodiment (as shown in fig. 1), the rubber ring is provided, so that the cable can be conveniently placed in the slot 14, and the rubber ring prevents the cable from being worn away from the slot 14.

The stop block 11 and the sleeve 10 are fixedly connected with the support 2 in a welding mode.

In this embodiment (as shown in fig. 1), the stopper 11 and the sleeve 10 are both fixedly connected to the bracket 2 by welding, so that the firmness of the stopper 11 and the sleeve 10 is ensured, and the fracture phenomenon is prevented.

The laser ranging sensor in the utility model is VL53L 0; processor 3 is model number S7-200.

The working principle is as follows: it should be noted that the utility model relates to a track inspection vehicle height displacement meter, which comprises a mounting plate 1, a bracket 2, a processor 3, a movable plate 4, a spring 5, a support rod 6, a protective cover 7, a probe 8, a laser distance measuring sensor 9, a sleeve 10, a stop block 11, a screw hole 12, a concave table 13 and a wire groove 14, wherein the components are all universal standard components or components known by technicians in the field, the structure and principle of the components are all known by technicians or by conventional test methods, when the track inspection vehicle height displacement meter is used, the laser distance measuring sensor 9 can be fixed on a mounting platform of a road inspection vehicle through the mounting plate 1 of the bracket 2 by installing the laser distance measuring sensor 9 and the bracket 2, the distance between the track inspection vehicle height displacement meter and an object to be measured can be measured by the echo analysis principle of the laser distance measuring sensor 9 in a non-contact manner, and the processor 3 transmits the data to an external data terminal for data collection, compared with the prior contact measurement, the device has the advantages of less limitation, higher efficiency, no damage to the measurement surface, no easy influence by the surface state of the measured object, can solve the problems of low detection efficiency and reduced maintenance workload of the existing contact type measurement mode, and by installing the protective cover 7 and the spring 5, the protective cover 7 can prevent the dust from being adsorbed on the mirror surface of the probe 8 and the broken stone from impacting the laser ranging sensor 9 to play a role in protection, meanwhile, during the running of the inspection vehicle, the wind power and the vehicle body pitch can make the support rod 6 of the protective cover 7 move upwards, the support rod 6 impacts the stop block 11 upwards to generate vibration, and the tension and the pulling force of the spring 5 are matched, the vibration falling protective cover is used for absorbing dust on the outer wall of the protective cover 7, the frequency of cleaning the protective cover when a vehicle is stopped can be reduced, and the use effect is ideal.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a track inspection car height displacement meter which characterized in that: comprises a mounting plate (1);

a bracket (2) is fixedly arranged at the bottom of the mounting plate (1), a concave platform (13) is arranged in the middle of the front side of the bracket (2), a plurality of groups of wire grooves (14) are longitudinally arranged in the middle of the concave table (13), a plurality of groups of screw holes (12) are arranged on both sides of the bottom of the concave table (13) close to the wire grooves (14), the bottom of the concave platform (13) is provided with a laser ranging sensor (9), the shell of the laser ranging sensor (9) is screwed with a screw hole (12) on the concave platform (13) through a bolt, the middle part of the upper surface of the laser ranging sensor (9) is fixedly provided with a processor (3), the data output end of the laser ranging sensor (9) is connected with the data input end of the processor (3), the processor (3) is connected with an external data terminal through a data line, and the middle of the lower surface of the laser ranging sensor (9) is provided with a probe (8);

the utility model discloses a portable detector, including support (2), protection casing (7) and protection casing (7), protection casing (7) and support (2) bottom are close to the outside of probe (8) and are made for transparent material, protection casing (7) left and right sides all fixes and is provided with branch (6), peg graft in sleeve (10) in branch (6) middle part and on two sets of sleeve (10) fixed support (2) left and right sides two outer walls that are provided with respectively, two sets of branch (6) top is fixed and is provided with fly leaf (4), two outer walls are close to directly over fly leaf (4) fixed dog (11) about support (2), the downside winding that branch (6) are close to fly leaf (4) have spring (5) and spring (5) upper and lower both ends respectively with fly leaf (4) and sleeve (10) fixed.

2. The rail inspection vehicle height displacement gauge of claim 1, wherein: mounting holes are formed in edges and corners of the mounting plate (1).

3. The rail inspection vehicle height displacement gauge of claim 1, wherein: the distance between the protective cover (7) and the laser ranging sensor (9) is 1 cm.

4. The rail inspection vehicle height displacement gauge of claim 1, wherein: and a rubber ring is fixedly arranged on the inner ring of the wire groove (14).

5. The rail inspection vehicle height displacement gauge of claim 1, wherein: the stop block (11) and the sleeve (10) are fixedly connected with the support (2) in a welding mode.