CN210287989U - Track geometric state detection device - Google Patents

Abstract

The utility model discloses a track geometric state detection device, include: the device comprises a main body, a walking wheel assembly, a push rod assembly and an optical fiber inertial navigation module, wherein the main body stretches across a track to be detected, and the walking wheel assembly, the push rod assembly and the optical fiber inertial navigation module are arranged on the main body; the walking wheel assembly comprises a walking wheel and an encoder, and the encoder is in transmission connection with the walking wheel and used for calculating the walking mileage of the walking wheel; the push rod assembly is used for pushing the main body to run on the track to be detected under the coordination of the running wheel assembly; the optical fiber inertial navigation module is used for acquiring and processing the geometric state data of the track to be detected in the walking process. The utility model discloses it is sensitive to orbital geometric state change reaction, detect fastly, detect data precision height, detection efficiency effectively improves, is suitable for high-speed track to detect, and simple structure, and the transport and the equipment of being convenient for are very fit for using widely in the industry.

Description

Track geometric state detection device

Technical Field

The utility model discloses the general speaking relates to track check out test set field particularly, relates to a track geometric status detection device.

Background

Along with the construction of a railway high-speed line, the speed of a train is greatly improved, the requirements on the geometric shape and position standard of a track are higher and higher, so that the period of adopting dynamic detection is shorter and shorter, but static detection cannot be completely replaced by dynamic detection, and the static detection can measure the geometric shape and position of the track at any time to guide construction and maintenance operation. In the track geometry position standard, track irregularity can cause big wheel rail action to exert oneself, plays the devastating effect to track structure itself on the one hand, and on the other hand directly influences or endangers the safety of high-speed driving again, and when carrying out the static inspection of track, traditional track detection instrument, for example, track chi, rail inspection dolly etc. can not satisfy the measurement accuracy requirement yet, and traditional track chi and traditional rail inspection dolly detect speed slowly, can not satisfy high-speed orbital detection demand.

Therefore, a highly accurate and efficient track geometry detecting device is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes above-mentioned prior art's at least defect, provides a track geometric status detection device that the precision is high and efficient.

In order to achieve the purpose, the utility model adopts the following technical scheme:

according to the utility model discloses an aspect provides a track geometric status detection device, include: the device comprises a main body, a walking wheel assembly, a push rod assembly and an optical fiber inertial navigation module, wherein the main body stretches across a track to be detected, and the walking wheel assembly, the push rod assembly and the optical fiber inertial navigation module are arranged on the main body; the walking wheel assembly comprises a walking wheel and an encoder, and the encoder is in transmission connection with the walking wheel and used for calculating the walking mileage of the walking wheel; the push rod assembly is used for pushing the main body to run on the track to be detected under the cooperation of the running wheel assembly; the optical fiber inertial navigation module is used for acquiring and processing the geometric state data of the track to be detected in the walking process.

According to an embodiment of the present invention, the main body includes a first main body and a second main body, the first main body and the second main body are detachably connected.

According to an embodiment of the present invention, the main body is an aluminum main body.

According to the utility model discloses an embodiment, the walking wheel is the walking wheel of nylon material.

According to the utility model discloses an embodiment, push rod subassembly includes push rod and push rod adjustment mechanism, push rod adjustment mechanism is used for adjusting the position and the length of push rod.

According to the utility model discloses an embodiment, be provided with the computer support on the push rod for the centre gripping computer, the setting of computer support angularly adjustable.

According to the utility model discloses an embodiment, track geometric state detection device still includes the locating wheel subassembly, the locating wheel subassembly includes locating wheel and location adjustment mechanism.

According to the utility model discloses an embodiment, the locating wheel is used for pasting tightly wait to examine the track inboard, positioning adjustment mechanism is used for adjusting the locating wheel pastes wait to examine the inboard elasticity degree of track.

According to the utility model discloses an embodiment, still install power module in the main part, optic fibre is used to lead the module with the power module electricity is connected.

According to the utility model discloses an embodiment, the optic fibre is used to lead the module and is included the optic fibre gyroscope.

According to the above technical scheme, the utility model discloses a track geometric state detection device's advantage lies in with positive effect:

the utility model discloses in, promote push rod subassembly to make the main part walk on waiting to examine the track under the cooperation of walking wheel subassembly, optic fibre is used to lead the module and gathers and handle the geometrical state data of waiting to examine the track at the walking in-process, and it is sensitive to orbital geometrical state change reaction, and detection speed is fast, and it is high to detect the data precision, and detection efficiency effectively improves, is suitable for high-speed track to detect, and simple structure, is convenient for carry and equipment, has very high economic nature, and is very fit for using widely in the industry.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a track geometry status detection apparatus according to an embodiment of the present invention.

Wherein the reference numerals are as follows:

1. a main body; 11. a first body; 111. a stringer; 112. a first cross member; 12. a second body; 121. a second cross member; 13. carrying handles; 2. a traveling wheel assembly; 21. a traveling wheel; 22. an encoder; 3. a push rod assembly; 31. a push rod; 32. a push rod adjustment mechanism; 33. a push handle structure; 4. a computer support; 5. a positioning wheel assembly; 51. positioning wheels; 52. a positioning adjustment mechanism; 6. an optical fiber inertial navigation module; 7. and a power supply module.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments 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, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

In the following description of various examples of the invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various example structures, systems, and steps in which aspects of the invention may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized, and structural and functional modifications may be made without departing from the scope of the present invention. Moreover, although the terms "top," "bottom," "front," "back," "side," and the like may be used in this specification to describe various example features and elements of the invention, these terms are used herein for convenience only, e.g., as to the orientation of the examples described in the figures. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures to fall within the scope of the invention.

Fig. 1 is a schematic structural diagram of a track geometry status detection apparatus according to an embodiment of the present invention.

As shown in fig. 1, the track geometry detecting apparatus of this embodiment includes: the device comprises a main body 1, a walking wheel assembly 2, a push rod assembly 3 and an optical fiber inertial navigation module 6, wherein the main body 1 stretches across a track to be detected, and the walking wheel assembly 2, the push rod assembly 3 and the optical fiber inertial navigation module 6 are arranged on the main body 1; the walking wheel assembly 2 comprises a walking wheel 21 and an encoder 22, and the encoder 22 is in transmission connection with the walking wheel 21 and is used for calculating the walking mileage of the walking wheel 21; the push rod component 3 is used for pushing the main body 1 to move on the track to be detected under the coordination of the moving wheel component 2; the optical fiber inertial navigation module 6 is used for collecting and processing the geometric state data of the track to be detected in the walking process.

In this embodiment, the main body 1 is an aluminum main body, for example, made of aluminum alloy, which is light, strong and abrasion resistant, not only convenient for carrying, but also makes the device suitable for outdoor work; the main body 1 comprises a first main body 11 and a second main body 12, the first main body 11 and the second main body 12 are assembled together to form a T-shaped main body, the first main body 11 comprises a longitudinal beam 111 and a first cross beam 112, the longitudinal beam 111 is arranged along the extending direction of a rail to be detected, the first cross beam 112 is arranged perpendicular to the extending direction of the rail to be detected, the first cross beam 112 is perpendicularly intersected with the longitudinal beam 111, the intersection position is positioned in the middle of the longitudinal beam 111, the longitudinal beam 111 and the first cross beam 112 can be connected at the intersection position in a welding mode, and a reinforcing rib is further connected between the first cross beam 112 and a right angle of the longitudinal beam 111 and used for reinforcing the connection rigidity and the connection strength between the first cross beam 112 and; the second body 12 only comprises a second beam 121, the second beam 121 is also perpendicular to the extending direction of the rail to be detected, and one end of the second beam 121 is detachably connected with the first beam 112, specifically, the second beam can be connected by a threaded connector or a buckle connector, so that the first body 11 and the second body 12 are detachably connected, and are convenient to respectively transport to a required use place; the first beam 112 of the first body 11 and the second beam 121 of the second body 12 can be hollow beams, and the inner cavities of the hollow beams can be used for arranging other electrical elements or measuring elements or other structures; one, two or more carrying handles 13 are arranged on the first main body 11 and the second main body 12, so that the carrying is convenient to carry by holding.

In this embodiment, the traveling wheel assembly 2 includes three traveling wheels 21 and an encoder 22, the three traveling wheels 21 are all cylindrical and have the same specification, and the three traveling wheels 21 are all nylon traveling wheels, or silicon nitride traveling wheels, or other traveling wheels satisfying the requirements of high hardness, wear resistance and good insulation; the three walking wheels 21 are arranged at the bottom of the main body 1, two walking wheels 21 are arranged at the bottom of a longitudinal beam 111 of the first main body 11 and are symmetrically arranged relative to a first cross beam 112 of the first main body 11, the two walking wheels 21 on the longitudinal beam 111 are in rolling fit contact with the top surface of a left rail of a track to be detected, the rest walking wheel 21 of the three walking wheels 21 is arranged at the bottom of a second cross beam 121 of the second main body 12, and the walking wheel 21 is in rolling fit contact with the top surface of a right rail of the track to be detected, so that the main body 1 and parts thereof arranged on the main body 1 can walk along the track to be detected under the rolling fit of the three walking wheels 21 and the top surface of; the encoder 22 can be in transmission connection with any one of the three road wheels 21, specifically, the encoder 22 in this embodiment is in transmission connection with the road wheel 21 arranged on the second cross beam 121 of the second main body 12, and the transmission connection can be gear transmission or direct coaxial connection transmission, so that the encoder 22 can calculate the walking mileage of the road wheel 21 in transmission connection therewith, that is, the walking mileage of the whole device. It should be noted that the left rail and the right rail are not absolute, and the names of the two rails can be exchanged.

In this embodiment, push rod assembly 3 includes a push rod 31 and a push rod adjustment mechanism 32, and push rod adjustment mechanism 32 is used to adjust the orientation and length of push rod 31. One end of the push rod 31 is connected to the first beam 112 of the first body 11 through the push rod adjusting mechanism 32, the other end of the push rod 31 is provided with a push handle structure 33, and the push handle structure 33 can be a short rod perpendicular to the push rod 31 or other structures convenient for hand pushing; push rod adjustment mechanism 32 can include the sleeve, first adjustment disk, the second adjustment disk, the connecting seat, and push rod 31 one end sets up in the sleeve, can set up two or more spacing holes on the sleeve wall, and push rod 31 and the mode that the spacing round pin card of sleeve accessible located arbitrary spacing hole realize the adjustable of push rod 31 length, and perhaps, push rod 31 and sleeve can set up external screw thread and internal thread respectively, and push rod 31 accessible and telescopic threaded connection and rotatory realization push rod 31 length are adjustable.

In this embodiment, the connecting seat of the push rod adjusting mechanism 32 is fixedly arranged on the first cross beam 112 of the first main body 11, the first adjusting plate is vertically and fixedly arranged on the connecting seat, the edge of the first adjusting plate is circumferentially provided with a plurality of limiting grooves, the lower end of the sleeve can be rotatably connected with the center of the first adjusting plate through a rotating shaft, a limiting block is arranged in the sleeve at a height corresponding to the limiting grooves of the first adjusting plate, the limiting block can slide along a waist-shaped hole on the wall of the sleeve to shift the limiting grooves clamped by the limiting block, and the adjustment of the included angle between the push rod 31 and the plane of the main body 1 can be realized by clamping the limiting block in different limiting grooves of the first adjusting plate; the disc surface of the second adjusting disc is parallel to the plane of the main body 1, the rotating axis of the second adjusting disc is vertical to the plane of the main body 1, the second adjusting disc can be positioned in the cavity of the first cross beam 112 below the connecting seat, the second adjusting disc can rotate relative to the connecting seat, the lower end of the sleeve can be rotatably connected with the center of the second adjusting disc through the rotating shaft, a plurality of clamping grooves are formed in the disc edge of the second adjusting disc along the circumferential direction, a clamping pin capable of being clamped into the clamping grooves of the second adjusting disc through the connecting seat is further arranged, the clamping pin is pulled out, the push rod 31 is rotated, the second adjusting disc rotates along with the clamping pin, and the clamping pin is inserted again after the target position, so that the adjustment of; the adjustment of the orientation of the push rod 31 can be realized by comprehensively using the first adjusting disk and the second adjusting disk of the push rod adjusting mechanism 32.

In this embodiment, a computer support 4 is further disposed at one end of the push handle structure 33 of the push rod 31, the computer support 4 is used for holding a computer, the computer can be in communication connection with the fiber inertial navigation module 6 or other data acquisition modules or devices to obtain data of the fiber inertial navigation module 6 or other data acquisition modules or devices for further and comprehensive analysis and processing, and the computer is further used for displaying analysis and processing results and inputting instructions; the computer bracket 4 is rotatably connected with the upper end of the push rod 31, the inclination angle of the computer bracket 4 can be adjusted, and the specific adjustment mode can be that the adjustment mode is adjusted through the matching of a pin and a plurality of limiting holes, or through a threaded connecting piece, or through adjusting a lead screw, and the adjustment mode includes but is not limited to the above examples; the computer support 4 can be used for clamping a computer through the elastic clamping block or other suitable structures so as to adapt to computers of different models and specifications, wherein the computer can be a notebook computer, a tablet computer or other suitable computers, even a smart phone.

In the embodiment, the device further comprises a positioning wheel assembly 5, the positioning wheel assembly 5 comprises positioning wheels 51 and a positioning adjusting mechanism 52, the positioning wheel assembly 5 can be provided with three groups and respectively corresponds to the three travelling wheels 21, each positioning wheel 51 can be mounted on a beam of the main body 1 through the positioning adjusting mechanism 52, the central line of each positioning wheel 51 is perpendicular to the plane of the main body 1, the cylindrical wheel surface of each positioning wheel 51 is tightly attached to the inner side of the track to be detected and is in rolling fit with the inner side of the track to be detected, the positioning adjusting mechanism 52 is used for adjusting the tightness degree of the positioning wheel 51 attached to the inner side of the track to be detected, and the positioning adjusting mechanism 52 can adopt a bolt-nut structure, an eccentric wheel adjusting and pressing mechanism, an elastic component pressing mechanism; place this device and wait to examine back on examining the track, positioning wheel subassembly 5 can assist walking wheel 21 to fix a position to ensure that walking wheel 21 waits to examine the track position accuracy relatively, the positioning adjustment mechanism 52 of adjustment positioning wheel subassembly 5 makes positioning wheel 51 paste and tightly waits to examine the track inboard, so that walking wheel 21 remains the correct position all the time, thereby makes this device during operation follow all the time and wait to examine the track and stabilize accurate marcing, can realize self-adaptation and automatic balance among the marcing process.

In this embodiment, the fiber inertial navigation module 6 is arranged on the second body 12In the cavity of the second beam 121, the optical fiber inertial navigation module 6 includes an optical fiber gyroscope and a signal processing unit, the optical fiber gyroscope has no mechanical moving part, no preheating time, wide dynamic range, digital output, small volume, light weight, high measurement accuracy and high corresponding speed, and the optical fiber inertial navigation module 6 firstly performs initial alignment during operation_，Confirm the direction matrix between geographical coordinate system and this device carrier coordinate system, when promoting this device whole through push rod subassembly 3 and advance on waiting to examine the track, the optic fibre gyroscope can real-time sensing wait to examine orbital geometry morpheme change of examining, and will the sensing wait to examine orbital geometry morpheme change and convert the signal transmission to the signal processing unit into, the signal processing unit carries out real-time calculation analysis and processing and obtains waiting to examine orbital actual morpheme data, and will wait to examine orbital actual morpheme data transmission to the computer with this, the computer carries out the integrated analysis processing with this waiting to examine orbital actual morpheme data and ideal morpheme data, obtain waiting to examine orbital geometry state data, including the state data of track irregularity, thereby guide track construction and maintenance.

In this embodiment, the main contents of the track deformation include track gauge, height, track direction, level, triangular pit, vibration acceleration, etc., wherein the track irregularity state is a key factor directly restricting the train speed improvement in the line aspect. The track irregularity refers to the deviation of the geometric dimensions of the two steel rails from the ideal positions of the steel rails in the height direction, the left direction and the right direction. There are four types of rail irregularities: the front and back of the track are uneven, which means the deviation of the vertical geometric position of the actual track central line and the ideal track central line along the length direction; the horizontal irregularity of the track refers to the vertical height difference of the left and right steel rails along the length direction; the track direction (track direction) is not smooth, which means the horizontal geometric position deviation of the actual track central line and the ideal track central line along the length direction; the track gauge is not smooth, which means the deviation of the actual track gauge from the nominal track gauge.

In this embodiment, the apparatus is further provided with a power module 7, the power module 7 may be disposed in the cavity of the second beam 121 of the second body 12, and other required electrical components, such as a sensor, may also be disposed in the cavity of the second beam 121 of the second body 12; the power module 7 is electrically connected with the optical fiber inertial navigation module 6 and other electrical components to supply power to the optical fiber inertial navigation module 6 and other electrical components, the power module 7 can be a lithium battery module which is small in size, durable in power supply and durable, and the power module 7 can also be other types of power supplies suitable for outdoor track detection devices.

The utility model discloses in, promote push rod subassembly 3 to make main part 1 walk on waiting to examine the track under the cooperation of walking wheel subassembly 2, optic fibre is used to lead module 6 and gathers and handle the orbital geometric state data of waiting to examine in the walking in-process, and it is sensitive to orbital geometric state change reaction, and detection speed is fast, and it is high to detect the data precision, and detection efficiency effectively improves, is suitable for high-speed track to detect, and simple structure, and be convenient for transport and equipment have very high economic nature, very be fit for using widely in the industry.

It is to be understood by one of ordinary skill in the art that the specific structures and processes shown in the detailed description are exemplary only and not limiting. Moreover, a person skilled in the art can combine the various technical features described above in various possible ways to form new technical solutions, or make other modifications, all of which fall within the scope of the present invention.

Claims (10)

1. A track geometry sensing device, comprising: the device comprises a main body, a walking wheel assembly, a push rod assembly and an optical fiber inertial navigation module, wherein the main body stretches across a track to be detected, and the walking wheel assembly, the push rod assembly and the optical fiber inertial navigation module are arranged on the main body; the walking wheel assembly comprises a walking wheel and an encoder, and the encoder is in transmission connection with the walking wheel and used for calculating the walking mileage of the walking wheel; the push rod assembly is used for pushing the main body to run on the track to be detected under the cooperation of the running wheel assembly; the optical fiber inertial navigation module is used for acquiring and processing the geometric state data of the track to be detected in the walking process.

2. The track geometry detecting device of claim 1 wherein the body comprises a first body and a second body, the first body and the second body being removably coupled.

3. The track geometry sensing device of claim 1 wherein the body is an aluminum body.

4. The track geometry detecting device of claim 3 wherein the road wheels are nylon.

5. The track geometry detecting device of claim 1 wherein the push rod assembly includes a push rod and a push rod adjustment mechanism for adjusting the orientation and length of the push rod.

6. The track geometry detecting device of claim 5 wherein the push rod is provided with a computer holder for holding a computer, the computer holder being angularly adjustable.

7. The track geometry detecting device of claim 1 further comprising a positioning wheel assembly, the positioning wheel assembly including a positioning wheel and a positioning adjustment mechanism.

8. The track geometry detecting device of claim 7 wherein the positioning wheel is adapted to engage the inner side of the track to be inspected, and the positioning and adjusting mechanism is adapted to adjust the degree of tightness of the positioning wheel engaging the inner side of the track to be inspected.

9. The track geometry detecting device of claim 1 wherein the main body further comprises a power module, and the fiber optic inertial navigation module is electrically connected to the power module.

10. The track geometry detecting device of any of claims 1-9, wherein the fiber optic inertial navigation module comprises a fiber optic gyroscope.

Images