CN214301041U

CN214301041U - Rail inspection device

Info

Publication number: CN214301041U
Application number: CN202022752813.XU
Authority: CN
Inventors: 陶捷; 朱洪涛
Original assignee: Jiangxi Everbright Measurement And Control Technology Co ltd
Current assignee: Jiangxi Everbright Measurement And Control Technology Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-09-28
Anticipated expiration: 2030-11-24

Abstract

The utility model provides a device is examined to rail, including putting up first cantilever, second cantilever and connection assembly, the cantilever includes the girder, spacing subassembly and locating component, and locating component movable sleeve establishes on spacing subassembly, and spacing subassembly erects on the rail, and locating component includes centering piece, setting element and centering rod, and the setting element includes bottom plate, leading wheel and linking bridge, and the bottom plate cover is established on spacing subassembly, and the rail is hugged closely to the leading wheel inboard, and first cantilever still includes measuring component, and measuring component includes measuring piece and connecting rod. According to the device, the guide wheels arranged at two ends of the first cantilever are respectively attached to the inner sides of the rails, the measuring part is connected with the guide wheels to obtain the rail gauge value, and when the rail gauge value changes, the fitting relation between the guide wheels and the rails can be adjusted through the relative motion of the bottom plate and the limiting assembly, so that the rail gauge value obtained by measuring of the measuring part is always the true rail gauge value, and the technical problem that the rail gauge of a curve section can not be accurately measured by a rail inspection device in the prior art is solved.

Description

Rail inspection device

Technical Field

The utility model relates to a track measurement technical field, in particular to device is examined to rail.

Background

With the development of high speed, heavy load and large density of railway transportation in China, more and more attention is paid to and more meticulous detection and control on the smoothness of the track which seriously influences the driving safety, and under the background, high-precision digital track detection equipment is widely used.

The track detection equipment generally comprises a track inspection tester and a track measuring instrument, wherein the track inspection tester mainly detects the internal geometric state of the track, the track measuring instrument mainly detects the external geometric state of the track, the track inspection tester and the track measuring instrument can be collectively called as a track inspection trolley, and the track inspection trolley generally obtains a track gauge value through measurement of a track gauge sensor arranged in the track inspection trolley.

In the prior art, a rail inspection trolley is generally of a T-shaped structure and comprises a side arm beam and a main beam which is vertically connected with the side arm beam, a track gauge sensor and an inclination angle sensor are installed in the main beam, in the using process, the side arm beam is erected on a rail, one end of the main beam is connected with the side arm beam, and the other end of the main beam is contacted with a working edge of the rail, so that when the rail-track-type rail inspection trolley walks in a curve section, the side arm beam becomes a chord of the rail on the rail, one end of the main beam is arranged at the middle point of the chord, and the gauge value measured by the track gauge sensor is the distance between the two ends of the main beam rather than the distance between the two working edges of the rail, so that the track gauge value measured by the track gauge sensor has a large error.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a device is examined to rail for solve among the prior art rail and examine the technical problem that the device can't the gauge of accurate measurement curve section.

A rail inspection device comprises a first cantilever, a second cantilever and a connecting assembly, wherein the first cantilever and the second cantilever are erected on a rail, the cantilever comprises a main beam, limiting components arranged at two ends of the main beam and a positioning component for connecting the main beam and the limiting components, the positioning component is movably sleeved on the limiting component, the limiting component is erected on the rail, the positioning assembly comprises a centering piece, a positioning piece and a centering rod for connecting the centering piece and the positioning piece, the positioning piece comprises a bottom plate, a guide wheel and a connecting bracket for connecting the bottom plate and the guide wheel, the bottom plate is sleeved on the limiting component, the guide wheel is tightly attached to the inner side of the rail, the first cantilever further comprises a measuring component, the measuring assembly comprises a measuring piece and a connecting rod for connecting the measuring piece and the connecting bracket.

Above-mentioned device is examined to rail, hug closely the rail inboard through the leading wheel of establishing respectively at first cantilever both ends, the leading wheel is connected to the measuring part, obtain the gauge value, when the gauge value changes, can adjust the laminating relation of leading wheel and rail through the relative motion of bottom plate and spacing subassembly, thereby guarantee that the gauge value that the measuring part measurement obtained is the gauge true value all the time, avoided leading to the unsafe condition of measured value because of the structural design of gauge device is unreasonable, the technical problem of the gauge that the device can't the accurate measurement curve section among the prior art is examined to the rail has been solved.

Further, spacing subassembly is including walking the wheel and connecting the girder with walk the mount of wheel, it establishes to walk the wheel carrier on the rail, the mount is close to the one end at girder center still is equipped with many slide bars, the sliding rod connection the mount with the girder, the bottom plate cover is established on the slide bar and with slide bar sliding connection.

Further, the limiting assembly further comprises a spring, wherein the spring is sleeved on the sliding rod and is arranged at one end, far away from the fixing frame, of the sliding rod.

Further, the centering piece comprises a counterpoint device and a connecting plate which is connected with the counterpoint device and the centering rod, the centering rod is movably connected with the connecting plate, and the counterpoint device is movably connected with the main beam.

Furthermore, a scraper is arranged on the fixing frame, the scraper is obliquely fixed on the fixing frame, and the cutting edge of the scraper extends towards the outer wall of the walking wheel.

Furthermore, the connecting assembly comprises a central box body and a swing mechanism arranged at one end of the central box body, the swing mechanism is connected with the central box body and the second cantilever, and the other end of the central box body is connected with the first cantilever.

Further, the slewing mechanism comprises an inner cylinder, an outer cylinder sleeved on the inner cylinder and a central bearing for connecting the inner cylinder and the outer cylinder, the other end of the outer cylinder is connected with the central box body, and the other end of the inner cylinder is connected with the second cantilever.

Furthermore, a plurality of handles are arranged on the cantilever.

Drawings

FIG. 1 is a structural diagram of a rail inspecting apparatus according to an embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of the combination of the positioning assembly, the limiting assembly and the measuring assembly;

FIG. 4 is a schematic view of a connection assembly configuration;

FIG. 5 is a schematic view of a limiting structure;

FIG. 6 is a diagram illustrating the measurement of true level.

Description of the main element symbols:

first cantilever	100	Second cantilever	200
				Connection assembly	300	Central box	310
Rotary mechanism	320	Outer cylinder	321
				Inner cylinder	322	Centering rod	410
Aligning device	420	Connecting plate	430
				Measuring element	510	Connecting rod	520
Base plate	610	Fixing frame	620
				Walking wheel	630	Spring	640
Scraping knife	650	Sliding bar	660
				Handle (CN)	700	Rail track	800

The following detailed description of the invention will be further described in conjunction with the above-identified drawings.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, a rail inspection device according to an embodiment of the present invention is shown, including a first cantilever 100, a second cantilever 200 erected on a rail 800, and a connection assembly 300 connecting the first cantilever 100 and the second cantilever 200, where the cantilevers include a main beam, a limiting component disposed at two ends of the main beam, and a positioning component connecting the main beam and the limiting component, the positioning component is movably sleeved on the limiting component, the limiting component is erected on the rail 800, the positioning component includes a centering member, a positioning member, and a centering rod 410 connecting the centering member and the positioning member, the positioning member includes a bottom plate 610, a guide wheel, and a connecting bracket connecting the bottom plate 610 and the guide wheel, the bottom plate 610 is sleeved on the limiting component, the guide wheel is tightly attached to an inner side of the rail 800, the first cantilever 100 further includes a measuring component, the measuring assembly includes a measuring member 510 and a connecting rod 520 connecting the measuring member 510 and the connecting bracket.

Spacing subassembly is including walking wheel 630 and connection the girder with walk the mount 620 of wheel 630, it erects to walk wheel 630 on rail 800, mount 620 is close to the one end at girder center still is equipped with many slide bars 660, slide bar 660 connects mount 620 with the girder, bottom plate 610 cover is established on slide bar 660 and with slide bar 660 sliding connection.

The limiting assembly further comprises a spring 640, wherein the spring 640 is sleeved on the sliding rod 660 and is arranged at one end, far away from the fixing frame 620, of the sliding rod 660.

The centering member comprises a centering device 420 and a connecting plate 430 connecting the centering device 420 and the centering rod 410, the centering rod 410 is movably connected with the connecting plate 430, and the centering device 420 is movably connected with the main beam.

The fixing frame 620 is provided with a scraper 650, the scraper 650 is obliquely fixed on the fixing frame 620, and the cutting edge of the scraper 650 extends towards the outer wall of the walking wheel 630.

In this embodiment, through the design of the scraper 650, the sand and stone adhered to the running wheels 630 can be effectively cleaned, so as to prevent the accuracy of the gauge value measured by the rail inspection device from being reduced due to the sand and stone adhered to the running wheels 630.

The connection assembly 300 includes a center box 310 and a swing mechanism 320 disposed at one end of the center box 310, wherein the swing mechanism 320 connects the center box 310 and the second boom 200, and the other end of the center box 310 is connected to the first boom 100.

The swing mechanism 320 comprises an inner cylinder 322, an outer cylinder 321 sleeved on the inner cylinder 322, and a center bearing connecting the inner cylinder 322 and the outer cylinder 321, the other end of the outer cylinder 321 is connected with the center box 310, and the other end of the inner cylinder 322 is connected with the second cantilever 200.

In the present embodiment, the swing mechanism 320 is provided, so that the first suspension arm 100 and the second suspension arm 200 are respectively independent bodies, and when the rail detection device measures an irregular rail, the balance of the rail detection device is not affected by the limitation of the structure, thereby affecting the measurement result.

Further, in the present application, the track detection amount is mainly performed by the measurement component in the first suspension arm 100, and the second suspension arm 200 is used to improve the stability of the first suspension arm 100 and ensure the attitude balance during measurement.

The cantilever is further provided with a plurality of handles 700. In the use process of the rail detection device, the handle 700 is convenient for the transfer and use of the rail detection device.

In this embodiment, be equipped with components and parts such as circuit board and gyroscope in the center box 310, the girder is equipped with the through-hole, measuring piece 510 passes through the through-hole is connected components and parts in the center box 310 are specific, measuring piece 510 can be the gauge sensor, through the gauge sensor, acquires the measured value of gauge.

As a specific example, an iron-absorbing block is disposed in the aligner 420, and the aligner 420 is disposed at the bottom of the main beam through the iron-absorbing block and enables the aligner 420 to rotate through the iron-absorbing block. Device is examined to rail in this application when specifically using, the cantilever erects on rail 800 through the spacing subassembly at both ends, and locating component hugs closely in rail 800 inboardly, and is concrete, walk the road wheel 630 and erect on rail 800, and the leading wheel is hugged closely with rail 800 inboard, because the leading wheel passes through linking bridge connection locating component and measuring unit, in the measurement, because there is spring 640's elasticity, spring 640 is the inboard extrusion of linking bridge toward rail 800 all the time, makes the leading wheel can hug closely all the time rail 800's inboard to can be accurate measure the gauge value of rail 800.

Specifically, when the track gauge is reduced, the spring 640 is compressed, the centering rod 410 is driven by the connecting bracket to move towards the center of the rail 800, and at the moment, the connecting plate 430 rotates clockwise due to the movable connection between the centering rod 410 and the connecting plate 430; when the track gauge is increased, the spring 640 extends, the connecting bracket clings the guide wheel to the inner side of the rail 800 through the elasticity of the spring 640, so that the accuracy of the track gauge measurement value is ensured, and at the moment, the centering rod 410 moves towards the direction departing from the center of the rail 800, so that the connecting plate 430 rotates anticlockwise.

Further, the gauge sensor is connected with the guide wheel through the connecting rod 520, so that when the guide wheel changes according to the gauge, even if the gauge changes, the gauge sensor can also acquire the true value of the gauge, and the accuracy of measurement is further ensured.

In this embodiment, the track gauge sensor is disposed on the first suspension arm 100, and since the track gauge sensor measures the distance between the two ends of the first suspension arm 100, the guide wheel is closely attached to the inner side of the rail 800 during measurement, and the track gauge sensor can obtain the track gauge value by attaching the guide wheel to the rail 800, thereby structurally improving the measurement accuracy. Through tests, errors of the track gauge values measured by the track checking device can be ignored, and therefore the track gauge values can be understood as real track gauge values obtained through measurement. Furthermore, the track gauge value obtained by the track inspection device is combined with the mathematical relationship with the track gauge horizontal value, so that the real horizontal value of the track can be obtained.

The method for measuring the true level value specifically comprises the following steps:

referring to fig. 6, when the two rails are not at the same horizontal position, the tilt sensor will display the angle between the center line of the surface of the two rails and the horizontal line, because the horizontal value is the height difference between the center lines of the surfaces of the two rails in the vertical plane. The level value d is therefore the product of the track gauge value L of the rail and the sine of the inclination angle θ. Namely:

d＝Lsinθ

in the formula, d is a horizontal value, mm; l is the rail gauge value of the steel rail, mm; theta is the included angle measured by the tilt sensor, (°).

To sum up, the utility model discloses device is examined to rail in the middle of the above-mentioned embodiment, it is inboard to hug closely the rail through the leading wheel of establishing at first cantilever both ends separately, the leading wheel is connected to the measuring part, obtain the gauge value, when the gauge value changes, can be through the relative motion of bottom plate and spacing subassembly, adjust the laminating relation of leading wheel and rail, thereby guarantee that the gauge value that the measuring part measurement obtained is the true value of gauge all the time, avoided leading to the unsafe condition of measured value because of the structural design of gauge device is unreasonable, the technical problem of the gauge of the unable accurate measurement curve section of device is examined to rail among the prior art has been solved.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A rail detection device is characterized by comprising a first cantilever and a second cantilever which are erected on a rail, and a connecting assembly for connecting the first cantilever and the second cantilever, the cantilever comprises a main beam, limiting components arranged at two ends of the main beam and a positioning component for connecting the main beam and the limiting components, the positioning component is movably sleeved on the limiting component, the limiting component is erected on the rail, the positioning assembly comprises a centering piece, a positioning piece and a centering rod for connecting the centering piece and the positioning piece, the positioning piece comprises a bottom plate, a guide wheel and a connecting bracket for connecting the bottom plate and the guide wheel, the bottom plate is sleeved on the limiting component, the guide wheel is tightly attached to the inner side of the rail, the first cantilever further comprises a measuring component, the measuring assembly comprises a measuring piece and a connecting rod for connecting the measuring piece and the connecting bracket.

2. The rail detection device according to claim 1, wherein the limiting component comprises a traveling wheel and a fixing frame for connecting the main beam with the traveling wheel, the traveling wheel is arranged on the rail, a plurality of sliding rods are further arranged at one end of the fixing frame close to the center of the main beam, the sliding rods are connected with the fixing frame and the main beam, and the bottom plate is sleeved on the sliding rods and is in sliding connection with the sliding rods.

3. The rail detection device according to claim 2, wherein the limiting assembly further comprises a spring, and the spring is sleeved on the sliding rod and is arranged at one end of the sliding rod, which is far away from the fixed frame.

4. The rail inspection device of claim 2, wherein the alignment member includes an aligner and a connecting plate connecting the aligner and the alignment rod, the alignment rod is movably connected to the connecting plate, and the aligner is movably connected to the main beam.

5. The rail inspection device of claim 2, wherein the fixed frame is provided with a scraper, the scraper is obliquely fixed on the fixed frame, and a cutting edge of the scraper extends towards the outer wall of the traveling wheel.

6. The rail inspection apparatus of claim 1, wherein the connection assembly comprises a center housing and a swing mechanism disposed at one end of the center housing, the swing mechanism connecting the center housing to the second suspension arm, the other end of the center housing connecting the first suspension arm.

7. The rail inspection device according to claim 6, wherein the rotation mechanism comprises an inner cylinder, an outer cylinder sleeved on the inner cylinder, and a center bearing connecting the inner cylinder and the outer cylinder, the other end of the outer cylinder is connected to the center box, and the other end of the inner cylinder is connected to the second cantilever.

8. The rail inspection device of claim 1, wherein the suspension arm further includes a plurality of handles.