CN215758297U - Rail inspection device - Google Patents

Abstract

The utility model provides a rail detection device, which comprises a device main body, a control mechanism and a rail detection mechanism, wherein the rail detection mechanism comprises an absolute measurement component and a relative measurement component, the relative measurement component and the device main body are arranged at a right angle and form a T-shaped structure, the absolute measurement component is arranged on the device main body and form the T-shaped structure, the relative measurement component and the absolute measurement component are movably connected with the device main body, and when the relative measurement component and the absolute measurement component are matched for measurement, the rail detection device is used for measuring relative data and absolute data of a track line. The rail detection device has the corresponding rail detection function by arranging the rail detection mechanism; through setting up relative measurement subassembly and absolute measurement subassembly, make the rail examine the device and can satisfy under solitary relative measurement or absolute measurement's the prerequisite, can also realize the common mode of measuring of relative measurement and absolute measurement, further avoid relying on relative measured data alone, or rely on absolute measured data alone to transfer the operation mode of rail to the track.

Description

Rail inspection device

Technical Field

The utility model relates to the technical field of rail detection, in particular to a rail detection device.

Background

With the rapid development of science and technology and the improvement of living standard of people, the trip modes of high-speed rails, motor cars and the like have been taken as one of the preferred tools for people to trip, so people pay more and more attention to the safety performance of railway tracks.

The method is characterized in that a relative measurement mode is adopted for checking the geometric state parameters of the track, an absolute measurement mode established at a CPIII coordinate point is adopted for the whole track and line building of the conventional high-speed railway, the absolute measurement mode of the track checking instrument takes a total station as a core, the CPIII point as a coordinate reference point is freely set, then the elevation/plane coordinate of the track measuring instrument is obtained by utilizing a polar coordinate method, the geometric position of the track is adjusted by the coordinate method, and the smoothness of the track is improved, and the absolute position measurement based on the CPIII is the measurement with the coordinate.

In the prior art, the track inspection instrument is only provided with a relative measurement unit or an absolute measurement unit, and when the track inspection instrument measures the track, the relative measurement mode and the absolute measurement mode need to be separately and independently measured, and the relative parameters of the track which is relatively measured and the position coordinates which are measured based on a geodetic coordinate system are fused, so that the linear constraint and control of the track are facilitated.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims to provide a rail inspection device, which is used for solving the problems that in the prior art, when a rail inspection instrument measures a rail, a relative measurement mode and an absolute measurement mode need to be separately and independently measured,

there may be a deviation in the control of the actual line shape of the track from the design line shape.

The utility model provides a rail detection device, which comprises:

a device main body;

the control mechanism is arranged on the device main body and used for recording measurement data;

the rail detection mechanism is arranged on the device main body and used for measuring relative data and absolute data of a track line;

wherein, the mechanism is examined to rail includes absolute measurement subassembly and locates the relative measurement subassembly of one side of device main part, relative measurement subassembly with the device main part is the right angle setting and constitutes T type structure, absolute measurement subassembly is located in the device main part, and with T type structure is constituteed to the device main part, relative measurement subassembly with absolute measurement subassembly all with device main part swing joint, relative measurement subassembly with when absolute measurement subassembly cooperates the measurement, the device is examined to the rail is used for measuring track line's relative data and absolute data.

The rail detection device is provided with the rail detection mechanism, so that the rail detection device has a corresponding rail detection function; specifically, by arranging the relative measurement component and the absolute measurement component, the rail detection device can realize a mode of measuring both relative measurement and absolute measurement on the premise of meeting the requirement of independent relative measurement or absolute measurement, and further avoid an operation mode of adjusting the rail of the rail by independently depending on relative measurement data or independently depending on absolute measurement data; furthermore, the relative measurement assembly and the device main body form a T-shaped structure, the device main body and the relative measurement assembly can be arranged across the track during measurement, the relative measurement assembly slides on the track surface in parallel, and the device main body and the relative measurement assembly can be kept perpendicular to the track.

Further, absolute measuring subassembly is including connecting the stand and locating absolute measuring unit on the connection stand, the inside of connecting the stand is equipped with the accommodation space that is used for placing absolute measuring circuit and prism, absolute measuring unit passes through absolute measuring circuit with control mechanism is connected.

Furthermore, the connecting column is provided with a connecting piece towards one end of the device main body, the device main body is provided with a positioning piece corresponding to the connecting piece, and when the connecting piece is connected with the positioning piece, the absolute measuring assembly and the device main body form a T-shaped structure.

Furthermore, the connecting piece is including rotating the wheel and locating rotate the locking bolt on the wheel, be equipped with on the setting element with the locking screw that locking bolt corresponds, work as locking bolt is fixed in when the locking screw, it drives to rotate the wheel locking bolt with locking screw threaded connection, so that the connecting piece with the setting element is locked.

Furthermore, the relative measurement assembly comprises a side arm transversely arranged with the device body and a relative measurement unit arranged on the side arm, an accommodating space for placing a relative measurement line is arranged in the side arm, and the relative measurement unit is connected with the control mechanism through the relative measurement line.

Further, the side arm orientation one side of device main part is equipped with the mounting, be equipped with in the device main part with the installed part that the mounting corresponds, the mounting includes the hand wheel and locates fastening bolt on the hand wheel, be equipped with on the installed part with fastening bolt corresponds's fastening screw, work as fastening bolt is fixed in during the fastening screw, it is rotatory the hand wheel drives fastening bolt with fastening screw threaded connection, so that the mounting with the installed part fastening.

Further, the connecting piece with all be equipped with the public seat of pegging graft in the mounting, the setting element with be equipped with on the installed part with the female seat of pegging graft that the public seat of pegging graft corresponds, work as the connecting piece with setting element locking or the mounting with when the installed part is fastened, the public seat of pegging graft with the female seat of pegging graft is pegged graft.

Furthermore, the rail inspection device further comprises a plurality of transverse tensioning mechanisms, each tensioning mechanism comprises a walking wheel set which is arranged on one side of the device body far away from the corresponding measuring component and is respectively arranged at two ends of the corresponding measuring component, and the walking wheel sets push the rail inspection device to walk on the rail surface of the rail.

Further, the walking wheel set comprises walking wheels, measuring wheels and sensors, the measuring wheels are connected with the tracks and the walking wheels, the sensors are connected with the walking wheels and the measuring wheels, when the track inspection device performs measurement, the walking wheels are in rolling fit on the track surface, the measuring wheels are in rolling fit with the inner wall of the tracks, and the sensors are used for measuring the displacement of the measuring wheels.

Further, the control mechanism comprises a control device and a push rod connected with the control device and the device body, and the push rod is movably connected with the device body.

Drawings

FIG. 1 is a diagram illustrating an overall structure of a track inspection apparatus according to an embodiment of the present invention;

FIG. 2 is an exploded view of a rail inspection device according to an embodiment of the present invention;

FIG. 3 is an overall block diagram of an absolute measurement assembly in an embodiment of the present invention;

FIG. 4 is an overall block diagram of a relative measurement assembly in an embodiment of the utility model;

FIG. 5 is an overall configuration view of a connecting member in the embodiment of the present invention;

FIG. 6 is an overall structure diagram of a positioning member according to an embodiment of the present invention;

FIG. 7 is an overall view of the fixing member according to the embodiment of the present invention;

FIG. 8 is an overall structural view of a mount in an embodiment of the utility model;

FIG. 9 is an overall configuration view of a running gear set according to an embodiment of the present invention;

description of the main element symbols:

the following detailed description will further illustrate the utility model in conjunction with the above-described figures.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented in the drawings. This 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 utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. 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 4, a rail inspection apparatus according to an embodiment of the present invention is shown, including an apparatus main body 100, and a control mechanism 200 and a rail inspection mechanism 300 disposed on the apparatus main body 100, wherein the rail inspection mechanism 300 includes an absolute measurement component 310 and a relative measurement component 320 disposed on one side of the apparatus main body 100, the relative measurement component 320 is disposed at a right angle to the apparatus main body 100 and forms a T-shaped structure, the absolute measurement component 310 is disposed on the apparatus main body 100 and forms a T-shaped structure with the apparatus main body 100, the relative measurement component 320 and the absolute measurement component 310 are both movably connected to the apparatus main body 100, and when the relative measurement component 320 and the absolute measurement component 310 are used for performing a measurement in cooperation, the rail inspection apparatus is used for measuring relative data and absolute data of a rail line.

As can be understood, by providing the rail detection mechanism 300, the rail detection device has a corresponding rail detection function; specifically, the relative measurement component 320 and the absolute measurement component 310 are simultaneously arranged on the device main body 100, so that on the premise that the rail detection device can meet the requirement of independent relative measurement or absolute measurement, a mode of common measurement of the relative measurement and the absolute measurement can be realized, and further the mode of guiding and adjusting the rail of the vehicle by completely depending on the absolute measurement is avoided; further, the relative measurement assembly 320 and the device body 100 form a T-shaped structure, the device body 100 and the relative measurement assembly 320 can be arranged across the rail during measurement, and the relative measurement assembly 320 slides on the rail surface in parallel, so that the device body 100 and the relative measurement assembly 320 can be kept perpendicular to the rail.

Further, the rail inspection device further comprises a plurality of transverse tensioning mechanisms, each tensioning mechanism comprises a walking wheel set 500 which is arranged on one side of the device body 100 far away from the corresponding measuring component 320 and is respectively arranged at two ends of the corresponding measuring component 320, and the walking wheel sets 500 push the rail inspection device to walk on the rail surface of the rail; the absolute measuring unit 310, the relative measuring unit 320, and the apparatus body 100 are provided with a plurality of hand-held structures 400.

It can be understood that, the running wheel set 500 is utilized to enable the rail inspection device to run on the rail surface of the rail, and then in the running process, the relative measurement component 320 and the absolute measurement component 310 measure the rail, and the control mechanism 200 records the relative data and the absolute data of the rail in real time, so that on one hand, the rail inspection device can realize independent relative measurement and absolute measurement, and on the other hand, the rail inspection device can realize simultaneous measurement of the relative measurement and the absolute measurement to modify and adjust the relevant parameters of the rail; the portable structure 400 is arranged, so that the components can be more conveniently taken by workers, and the overall portability is further improved.

Specifically, the device body 100 includes a girder, a mounting member 120 disposed at a side of the girder facing the relative measurement component 320, and a positioning member 110 disposed at an end of the girder facing the absolute measurement component 310; the control mechanism 200 comprises a control device 210 and a push rod 220 connecting the control device 210 and the device main body 100, the push rod 220 is movably connected with the device main body 100, a support frame for fixing the control device 210 is installed on the push rod 220, a connecting frame is arranged at the connecting part of the push rod 220 and a girder, and the push rod 220 is movably connected with a girder part through the connecting frame; the support frame can more stably fix the control device 210 to prevent the control device from falling off when moving; due to the arrangement of the connecting frame, the control device and the girder component can be detached, installation by workers is facilitated, and overall portability is further improved.

Further, the absolute measuring assembly 310 includes a connecting column 311 and an absolute measuring unit 313 disposed on the connecting column 311, a receiving space 314 for placing an absolute measuring line and a prism is disposed inside the connecting column 311, the absolute measuring unit 313 is connected to the control mechanism 200 through the absolute measuring line, a connecting member 312 corresponding to the positioning member 110 is disposed at one end of the connecting column 311 facing the apparatus main body 100, and when the connecting member 312 is connected to the positioning member 110, the absolute measuring assembly 310 and the apparatus main body 100 form a T-shaped structure.

As can be appreciated, the absolute measuring component 310 is detachably arranged with the girder of the device main body 100 through the connecting piece 312, so that the installation and the disassembly of workers are further facilitated, and the overall portability of the device is improved; the design of T type structure can promote the precision when measuring higher, avoids the error that the slope caused.

Preferably, the absolute measuring unit is a total station or a device having the same function as a total station.

In this application, the relative measurement component 320 includes a side arm 321 disposed transversely to the device body 100 and a relative measurement unit 323 disposed on the side arm 321, an accommodating space for placing a relative measurement line is disposed inside the side arm 321, and the relative measurement unit 323 is connected to the control mechanism 200 through the relative measurement line; the side arm 321 is provided with a fixing member 322 corresponding to the mounting member 120 on a side facing the device body 100, and when the fixing member 322 is connected to the mounting member 120, the measuring unit 320 and the device body 100 form a T-shaped structure.

It can be understood that the relative measurement component 320 is detachably arranged with the girder of the device main body 100 through the fixing component 322, so that the installation and the disassembly of workers are further facilitated, and the overall portability of the device is improved; the relative measurement assembly 320 and the device main body 100 form a T-shaped structure, the device main body 100 and the relative measurement assembly 320 can be arranged across a rail during measurement, the relative measurement assembly 320 slides on the rail surface in parallel, the device main body 100 and the relative measurement assembly 320 can be kept perpendicular to the rail, on the other hand, the accuracy during measurement can be improved to be higher, and errors caused by inclination are avoided.

Referring to fig. 5 to 6, the connecting member 312 includes a rotating wheel 3121 and a locking bolt 3122 disposed on the rotating wheel 3121, the positioning member 110 is provided with a locking screw hole 111 corresponding to the locking bolt 3122, when the locking bolt 3122 is fixed to the locking screw hole 111, the rotating wheel 3121 is rotated to drive the locking bolt 3122 to be in threaded connection with the locking screw hole 111, so that the connecting member 312 is locked with the positioning member 110; a connecting portion 3123 is further provided at the middle portion of the connecting member 312, an abutting portion 112 corresponding to the connecting portion 3123 is provided at the middle portion of the securing member 110, and the connecting portion 3123 and the abutting portion 112 are connected to each other when the connecting member 312 is locked with the securing member 110.

It can be understood that the connecting member 312 and the positioning member 110 are arranged to enable the absolute measuring assembly 310 and the girder to be mutually adapted, so that the rail inspection device can perform absolute measurement, absolute position control is performed through an independent absolute measuring line, transverse deviation, vertical deviation and line coordinate control of the rail line are solved, and a damaged area is rectified.

Referring to fig. 7 to 8, the positioning element 110 includes a handwheel 121 and a fastening bolt 122 disposed on the handwheel 121, the mounting element 120 is provided with a fastening screw hole 3221 corresponding to the fastening bolt 122, when the fastening bolt 122 is fixed in the fastening screw hole 3221, the handwheel 121 is rotated to drive the fastening bolt 122 to be in threaded connection with the fastening screw hole 3221, so that the fixing element 322 is fastened to the mounting element 120.

It can be understood that, the setting of mounting member 322 and installed part 120 to can adapt each other between relative measuring component 320 and the girder, and then make the rail examine the device and can carry out relative measurement, can fix a position the disease interval fast through relative measurement, solve the problem of smoothness measurement.

It should be noted that, in the present application, the relative measurement and the absolute measurement may be implemented together, so as to implement organic integration of the absolute measurement and the relative measurement, and implement the control accuracy of the line by controlling the accuracy of the relative point position of the line and the accuracy of the absolute positioning point of the line; the combination of the total station coordinate method measurement in absolute measurement and the gyroscope inertia method measurement in relative measurement has the following characteristics:

1. fusing the relative measurement data of the gyroscope and the absolute measurement data of the total station to design a model;

2. researching a characteristic matching algorithm of a denser track relative measurement track and a sparser track absolute measurement track;

3. and (3) mileage error and track trend item error reduction algorithm research and robust analysis in data fusion.

The contradiction between efficiency and cost, working strength and quality, operation standard and detection precision, internal parameters and external three-dimensional parameters, short wave and long chord and the like in the track detection process can be effectively solved by a relative plus absolute measurement mode.

Furthermore, the connecting element 312 and the fixing element 322 are both provided with a male socket 123, the positioning element 110 and the mounting element 120 are provided with a female socket 3222 corresponding to the male socket 123, and when the connecting element 312 and the positioning element 110 are locked or the fixing element 322 and the mounting element 120 are fastened, the male socket 123 is plugged with the female socket 3222.

It can be understood that the male sockets 123 in the connecting member 312 and the fixing member 322 are connected to the female sockets 3222 in the positioning member 110 and the mounting member 120, and the electric circuit between the girder and the relative measuring assembly 320 and between the girder and the absolute measuring assembly 310 can be conducted, so that the rail inspecting apparatus can realize the combination of the relative measurement and the absolute measurement, and simultaneously realize the combination of the two measurement modes.

Referring to fig. 9, the running wheel set 500 includes running wheels 510, measuring wheels 520 connecting the rail and the running wheels 510, and sensors connecting the running wheels 510 and the measuring wheels 520, when the rail inspection device performs measurement, the running wheels 510 are in rolling fit on the rail surface, the measuring wheels 520 are in rolling fit with the inner wall of the rail, the sensors are used for measuring the displacement of the measuring wheels 520, and the running wheel set 500 is further provided with an installation part 530 detachably disposed with each corresponding component through the installation part 530.

It can be understood that the running wheels 510 can run on the surface of the track, and the measuring wheels 520 roll on the inner wall of the track, and the sensor detects the displacement of the running wheels 510 and the measuring wheels 520 and records the displacement in real time. It should be understood that the sum of the displacement of the measuring wheels 520 at the two ends can be used to calculate the data related to the actual track gauge, etc., and the measuring wheels 520 can also have a limiting function to prevent the running wheels 510 from shifting when running on the track surface.

In summary, in the track inspection device in the above embodiment of the present invention, the track inspection mechanism is arranged, so that the track inspection device has a corresponding track inspection function; specifically, by arranging the relative measurement component and the absolute measurement component, the rail detection device can realize a mode of measuring both relative measurement and absolute measurement on the premise of meeting the requirement of independent relative measurement or absolute measurement, and further avoid an operation mode of adjusting the rail of the rail by independently depending on relative measurement data or independently depending on absolute measurement data; furthermore, the relative measurement assembly and the device main body form a T-shaped structure, the device main body and the relative measurement assembly can be arranged across the track during measurement, the relative measurement assembly slides on the track surface in parallel, and the device main body and the relative measurement assembly can be kept perpendicular to the track.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A rail inspection device, comprising:

a device main body;

the control mechanism is arranged on the device main body and used for recording measurement data;

the rail detection mechanism is arranged on the device main body and used for measuring relative data and absolute data of a track line;

wherein, the mechanism is examined to rail includes absolute measurement subassembly and locates the relative measurement subassembly of one side of device main part, relative measurement subassembly with the device main part is the right angle setting and constitutes T type structure, absolute measurement subassembly is located in the device main part, and with T type structure is constituteed to the device main part, relative measurement subassembly with absolute measurement subassembly all with device main part swing joint, relative measurement subassembly with when absolute measurement subassembly cooperates the measurement, the device is examined to the rail is used for measuring track line's relative data and absolute data.

2. The rail inspection device according to claim 1, wherein the absolute measuring assembly comprises a connecting column and an absolute measuring unit arranged on the connecting column, a receiving space for placing an absolute measuring line and a prism is arranged inside the connecting column, and the absolute measuring unit is connected with the control mechanism through the absolute measuring line.

3. The rail inspection device according to claim 2, wherein a connecting member is disposed at an end of the connecting column facing the device body, a positioning member corresponding to the connecting member is disposed on the device body, and when the connecting member is connected to the positioning member, the absolute measuring assembly and the device body form a T-shaped structure.

4. The rail inspection device according to claim 3, wherein the connecting member comprises a rotating wheel and a locking bolt disposed on the rotating wheel, the positioning member is provided with a locking screw hole corresponding to the locking bolt, and when the locking bolt is fixed to the locking screw hole, the rotating wheel is rotated to drive the locking bolt to be in threaded connection with the locking screw hole, so that the connecting member is locked with the positioning member.

5. The rail inspection device according to claim 3, wherein the relative measurement assembly comprises a side arm transversely arranged with respect to the device body and a relative measurement unit arranged on the side arm, an accommodating space for accommodating a relative measurement line is arranged inside the side arm, and the relative measurement unit is connected with the control mechanism through the relative measurement line.

6. The rail inspection device according to claim 5, wherein a fixing member is disposed on a side of the side arm facing the device body, a mounting member corresponding to the fixing member is disposed on the device body, the fixing member includes a hand wheel and a fastening bolt disposed on the hand wheel, a fastening screw hole corresponding to the fastening bolt is disposed on the mounting member, and when the fastening bolt is fixed to the fastening screw hole, the hand wheel is rotated to drive the fastening bolt to be in threaded connection with the fastening screw hole, so that the fixing member is fastened to the mounting member.

7. The rail inspection device of claim 6, wherein the connecting member and the fixing member are provided with male sockets, the positioning member and the mounting member are provided with female sockets corresponding to the male sockets, and when the connecting member and the positioning member are locked or the fixing member and the mounting member are fastened, the male sockets are plugged with the female sockets.

8. The rail inspection device of claim 6, further comprising a plurality of transverse tensioning mechanisms, wherein each tensioning mechanism comprises a plurality of traveling wheel sets disposed on a side of the device body away from the corresponding measuring assembly and disposed at two ends of the corresponding measuring assembly, and the traveling wheel sets push the rail inspection device to travel on a rail surface of a rail.

9. The rail inspection device of claim 8, wherein the running gear set comprises running wheels, measuring wheels connecting the rail and the running wheels, and sensors connecting the running wheels and the measuring wheels, when the rail inspection device performs measurement, the running wheels are in rolling fit on the rail surface, the measuring wheels are in rolling fit with the inner wall of the rail, and the sensors are used for measuring displacement of the measuring wheels.

10. The rail inspection device of claim 1, wherein the control mechanism includes a control device and a push rod connecting the control device to the device body, the push rod being movably connected to the device body.

Images