CN218839444U

CN218839444U - Vehicle-mounted rail geometric parameter detection device for rail transit

Info

Publication number: CN218839444U
Application number: CN202223080899.1U
Authority: CN
Inventors: 曹洪凯; 张乃贵; 金晨宁; 王克文
Original assignee: Chengdu Tangyuan Electric Co Ltd
Current assignee: Chengdu Tangyuan Electric Co Ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-04-11
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a track traffic vehicle-mounted track geometric parameters detection device relates to track traffic detection technical field, include: detecting a beam body; the detection mechanism is arranged on the detection beam body and is used for detecting the geometric parameters of the track; and the vibration damping mounting seat is arranged on the detection beam body and is used for being connected with the end part of the vehicle bogie and damping the vibration of the vehicle bogie. The utility model discloses a be provided with the damping mount pad that carries out the damping to the vibration of vehicle bogie, when carrying out geometric parameters to the vehicle and detecting, the high-frequency vibration transmission that rail corrugation or bogie produced is to vehicle bogie tip, when passing to detection device again, the damping mount pad has carried out the damping to high-frequency vibration, effectively reduce the negative effects that high-frequency vibration produced track geometric parameters detection device, make track geometric parameters detection device detection efficiency improve, it improves to detect the rate of accuracy, it improves to detect the reliability, the life of track geometric parameters detection device has been prolonged simultaneously.

Description

Vehicle-mounted rail geometric parameter detection device for rail transit

Technical Field

The utility model relates to a track traffic detects technical field, more specifically says and relates to a track traffic vehicle-mounted track geometric parameters detection device.

Background

With the rapid development of the rail transit industry in China, the power action of wheel tracks is increased due to the fact that the operation speed of rail transit systems such as state railways, subways and city railways is increased, the construction mileage is increased, and the lines are increasingly busy. The rail generates various rail irregularity and surface abrasion and defects under the action of power. Various rail irregularities cause changes in the stability and comfort of the rail vehicle, and even cause vicious events such as derailment and overturning; the results of loosening of the rail fastener, damage to infrastructure under the rail and the like are caused downwards; for the rail itself, it may lead to rail cracks, eventually to rail fracture, and severely shorten the service life of the rail. Therefore, the track dynamic detection system is a necessary device for various track traffic systems.

The vehicle-mounted track geometric parameter detection device is used for dynamically detecting the superposition state of elastic deformation and permanent deformation of a line. The track gauge detection device has the advantages that parameters such as track gauge, track direction, height, level, superelevation, triangular pits, vertical vibration acceleration of the car body, horizontal vibration acceleration of the car body, vibration acceleration of the axle boxes, running speed and running distance are detected, manpower and material resources can be saved, detection frequency and accuracy can be improved, the track gauge detection device provides basis for maintenance of lines, and therefore operation safety of track traffic can be effectively guaranteed.

In the prior art, a non-contact measurement mode is generally adopted for detection, the method is based on a machine vision triangulation distance measurement principle, at present, a vehicle-mounted track geometric parameter detection system is generally installed on a vehicle body bogie, but no effective method is provided for dealing with negative effects caused by high-frequency vibration generated by rail corrugation or bogie, the high-frequency vibration not only can affect the service life of equipment, but also can affect the detection precision, and the condition that the rail-oriented high-low acceleration sensor has an out-of-range condition is caused. Therefore, it is very urgent to provide a track geometry parameter detecting device with vibration reduction.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that exists among the above-mentioned prior art, the utility model aims at providing a track traffic vehicle-mounted track geometric parameters detection device, the utility model discloses a be provided with damping mechanism on detection device, greatly reduced the negative effects that high-frequency vibration brought, extension track geometric parameters detection device's life.

In order to realize the above purpose, the utility model discloses a technical scheme:

a track traffic vehicle-mounted track geometric parameter detection device comprises:

detecting a beam body;

the detection mechanism is arranged on the detection beam body and used for detecting the geometric parameters of the track;

and the vibration damping mounting seat is arranged on the detection beam body and is used for being connected with the end part of the vehicle bogie and damping the vibration of the vehicle bogie.

Further, the vibration reduction mounting base comprises a mounting hanging support, a plurality of vibration reduction modules and a connecting piece; the mounting and hanging support is mounted on the detection beam body through a connecting piece, and the plurality of vibration reduction modules are arranged on the mounting and hanging support.

The vehicle bogie is characterized by further comprising a bogie mounting seat connected with the end part of a vehicle bogie, wherein the bogie mounting seat is connected with the mounting crane support through the plurality of vibration reduction modules.

Further, the vibration reduction module comprises a bolt assembly, a mounting pad, a bolt outer sleeve, an upper rubber pad and a lower rubber pad;

the mounting pads are arranged at the upper end and the lower end of the bolt assembly, the bolt outer sleeve is sleeved on the bolt assembly and located between the upper mounting pad and the lower mounting pad, and the upper rubber pad and the lower rubber pad are respectively sleeved on the upper section and the lower section of the bolt outer sleeve and respectively abut against the inner sides of the upper mounting pad and the lower mounting pad.

Further, a first mounting area is arranged between the upper rubber pad and the lower rubber pad, and a second mounting area is arranged between the lower mounting pad and the bolt assembly; the vibrating bogie mounting seat is mounted on the first mounting area or the second mounting area, is subjected to vibration reduction through the upper rubber pad and the lower rubber pad, and is transmitted to a mounting hanging support mounted on the second mounting area or the first mounting area.

Further, the upper rubber pad is of an inverted-T-shaped structure, and pre-compression amount of the upper rubber pad is reserved on the upper rubber pad and the bolt outer sleeve.

Furthermore, the vibration reduction mounting seats are arranged at the head end and the tail end of the detection beam body.

Further, the detection mechanism is a sensor adopting machine vision triangulation.

The utility model has the advantages that:

the utility model provides an on-vehicle track geometric parameters detection device of track traffic, carry out the damping mount pad of damping through being provided with the vibration to vehicle bogie, when carrying out geometric parameters to the vehicle and examining, the high-frequency vibration transmission that rail corrugation or bogie produced is to the vehicle bogie tip, when passing to detection device again, the damping mount pad has carried out the damping to high-frequency vibration, effectively reduce the negative effects that high-frequency vibration produced track geometric parameters detection device, make track geometric parameters detection device detection efficiency improve, it improves to detect the accuracy, it improves to detect the reliability, the life of track geometric parameters detection device has been prolonged simultaneously.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the damping mount of the present invention;

fig. 3 is a schematic view of another view angle of the damping mount of the present invention;

fig. 4 is a schematic view of the damping module of the present invention;

FIG. 5 isbase:Sub>A sectional view taken along line A-A of FIG. 4;

reference numerals:

1. a vibration damping mounting base; 11. installing a hanging support; 12. a vibration reduction module; 121. a bolt assembly; 122. a mounting mat; 123. sleeving a bolt; 124. a rubber pad is arranged; 125. a rubber pad is arranged; 126. a first mounting area; 127. a second mounting area; 13. a connecting member; 2. detecting a beam body; 3. a bogie mounting seat.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the accompanying drawings, so as to fully understand the objects, the features, and the effects of the present invention.

Example 1

A device for detecting geometric parameters of a vehicle-mounted track of a track traffic system, as shown in fig. 1, comprising:

detecting the beam body 2;

the detection mechanism is arranged on the detection beam body 2 and is used for detecting the geometrical parameters of the track;

and the vibration damping mounting seat 1 is arranged on the detection beam body 2, is connected with the end part of the vehicle bogie and is used for damping the vibration of the vehicle bogie.

In this embodiment, the detection beam 2 is used to mount a detection mechanism to detect the geometric parameters of the rail. The detection mechanism is used for detecting the geometric parameters of the track, including the track gauge, the track direction, the height, the level, the superelevation, the triangular pit, the vertical vibration acceleration of the vehicle body, the horizontal vibration acceleration of the vehicle body, the vibration acceleration of the axle box, the running speed, the running distance and other parameters. The detection mechanism is a sensor adopting machine vision triangulation, and detection is carried out by adopting a non-contact measurement mode.

The vibration damping mount 1 is used to be connected to an end portion of a vehicle bogie and damp vibration of the vehicle bogie. When geometric parameters of a vehicle are detected, high-frequency vibration generated by a rail corrugation or a bogie is transmitted to the end part of the bogie of the vehicle, and then transmitted to a detection device, the vibration reduction mounting seat 1 reduces the vibration reduction of the high-frequency vibration, so that the negative influence of the high-frequency vibration on the geometric parameters of the track is effectively reduced, the detection efficiency of the geometric parameters of the track is improved, the detection accuracy is improved, the detection reliability is improved, and the service life of the geometric parameters of the track is prolonged. In this embodiment, the damping mount pad 1 sets up the head and the tail both ends that detect the roof beam body 2, also damping mount pad 1 is provided with two promptly.

Example 2

The embodiment is further explained on the basis of embodiment 1, and as shown in fig. 2 and 3, the vibration damping mounting base 1 comprises a mounting hanging support 11, a plurality of vibration damping modules 12 and a connecting piece 13; the installation hangs support 11 and installs on detecting the roof beam body 2 through connecting piece 13, and a plurality of damping modules 12 all set up on installation hangs support 11. In this embodiment, the installation hanging support 11 is used for installing a plurality of vibration damping modules 12, the connecting member 13 is a bolt connecting member, and the installation hanging support 11 is installed on the detection beam body 2 through bolts. The damping modules 12 are used for damping vibration, and in the present embodiment, there are four damping modules 12 in each damping mount 1, and there are eight damping modules 12 in total in two damping mounts 1.

As shown in fig. 1, the bogie mounting base 3 is used for connecting with the end of a vehicle bogie, and the bogie mounting base 3 is connected with a mounting crane support 11 through a plurality of damping modules 12. In this embodiment, the damping modules 12 are not directly connected to the end of the vehicle bogie, but indirectly connected to the end of the vehicle bogie through the bogie mounting base 3, and the plurality of damping modules 12 are first mounted to the bogie mounting base 3, and then the bogie mounting base 3 is mounted to the end of the vehicle bogie, so as to facilitate the mounting of the geometric parameter detection device.

As shown in fig. 4 and 5, the vibration damping module 12 includes a bolt assembly 121, a mounting pad 122, a bolt housing 123, an upper rubber pad 124, and a lower rubber pad 125; mounting pads 122 are arranged at the upper end and the lower end of the bolt assembly 121, a bolt outer sleeve 123 is sleeved on the bolt assembly 121 and is positioned between the upper mounting pad 122 and the lower mounting pad 122, and an upper rubber pad 124 and a lower rubber pad 125 are respectively sleeved on the upper section and the lower section of the bolt outer sleeve 123 and respectively abut against the inner sides of the upper mounting pad 122 and the lower mounting pad 122. In this embodiment, vibration is reduced by providing the upper rubber pad 124 and the lower rubber pad 125.

As shown in fig. 4 and 5, a first mounting area 126 is provided between upper rubber pad 124 and lower rubber pad 125, and a second mounting area 127 is provided between lower mounting pad 122 and bolt assembly 121. The first mounting area 126 and the second mounting area 127 may be mounted in the following manner:

the method I comprises the following steps: the vibrating truck mount 3 is mounted on a first mounting area 126, damped by an upper rubber pad 124 and a lower rubber pad 125, and transferred to a mounting hanger bracket 11 mounted on a second mounting area 127.

The second method comprises the following steps: the vibrating truck mount 3 is mounted on the second mounting region 127, damped by the upper rubber pad 124 and the lower rubber pad 125, and transferred to the mounting hanger bracket 11 mounted on the first mounting region 126.

The upper rubber pad 124 is of an inverted-triangle structure, rubber pad pre-compression amount is reserved on the upper rubber pad 124 and the bolt outer sleeve 123, the purpose of the pre-compression amount of the upper rubber pad 124 is to reduce deformation of a rubber pad body generated when the rubber pad is pre-tightened, and the purpose of the pre-compression amount of the rubber pad reserved on the bolt outer sleeve 123 is to prevent the lower mounting pad 122 from being in rigid contact with the bolt outer sleeve 123, so that the reduction of vibration reduction effect generated by rigid contact is avoided.

For better understanding, the utility model discloses, following is to the theory of operation of the utility model make a complete description:

when the device is installed, the bogie mounting seat 3 of the track geometric parameter detection device is installed at the end part of the vehicle bogie. When a vehicle travels, a detection mechanism of the track geometric parameter detection device detects the geometric parameters of the track in a non-contact measurement mode based on the triangular distance measurement principle of machine vision.

When geometric parameters of a vehicle are detected, high-frequency vibration generated by rail corrugation or a bogie is transmitted to the end part of the vehicle bogie and then transmitted to a detection device, the high-frequency vibration is firstly transmitted to the bogie mounting base 3, the bogie mounting base 3 is transmitted to the plurality of vibration reduction modules 12, the upper rubber pads 124 and the lower rubber pads 125 in the plurality of vibration reduction modules 12 reduce the high-frequency vibration, so that the vibration transmitted to the mounting hanging support 11 is reduced, and the vibration finally transmitted to a detection mechanism on the detection beam body 2 is reduced. The vibration on the detection mechanism is reduced, so that the detection efficiency, the detection accuracy and the detection reliability of the track geometric parameter detection device are improved, and the service life of the track geometric parameter detection device is prolonged.

The embodiments of the present invention have been described in detail, but the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and the equivalents or substitutions are included in the scope of the present invention defined by the claims.

Claims

1. The utility model provides a track traffic on-vehicle track geometric parameters detection device which characterized in that includes:

a detection beam body (2);

the detection mechanism is arranged on the detection beam body (2) and is used for detecting geometrical parameters of the track;

and the vibration damping mounting seat (1) is arranged on the detection beam body (2) and is used for being connected with the end part of the vehicle bogie and damping the vibration of the vehicle bogie.

2. The track geometry parameter detection device according to claim 1, wherein the damping mount (1) comprises a mounting hanger bracket (11), a plurality of damping modules (12) and a connecting piece (13); the mounting and hanging support (11) is mounted on the detection beam body (2) through a connecting piece (13), and the plurality of vibration reduction modules (12) are arranged on the mounting and hanging support (11).

3. The track geometry parameter detection device according to claim 2, further comprising a bogie mounting base (3) for connection to a vehicle bogie end, said bogie mounting base (3) being connected to said mounting hanger bracket (11) via said plurality of damping modules (12).

4. The track geometry parameter detection device of claim 3, wherein the damping module (12) comprises a bolt assembly (121), a mounting pad (122), a bolt housing (123), an upper rubber pad (124) and a lower rubber pad (125);

the mounting pads (122) are arranged at the upper end and the lower end of the bolt assembly (121), the bolt outer sleeve (123) is sleeved on the bolt assembly (121) and located between the upper mounting pad and the lower mounting pad (122), and the upper rubber pad (124) and the lower rubber pad (125) are respectively sleeved on the upper section and the lower section of the bolt outer sleeve (123) and respectively abut against the inner sides of the upper mounting pad and the lower mounting pad (122).

5. The track geometry parameter sensing device of claim 4, wherein a first mounting region (126) is provided between the upper rubber pad (124) and the lower rubber pad (125), and a second mounting region (127) is provided between the lower mounting pad (122) and the bolt assembly (121).

6. The track geometry parameter detecting device of claim 5, wherein the upper rubber pad (124) is of an inverted-T shape, and a pre-compression amount of the rubber pad is reserved on both the upper rubber pad (124) and the bolt outer sleeve (123).

7. The track geometry parameter detection device according to claim 1, characterized in that the vibration damping mounting seats (1) are arranged at the head and tail ends of the detection beam body (2).

8. The track geometry parameter sensing device of claim 1 wherein the sensing mechanism is a sensor using machine vision triangulation.