CN207763690U - A kind of portable platform checking of clearance instrument - Google Patents

Abstract

The utility model relates to the technical field of railway platform detection, in particular to a portable platform boundary inspection instrument, which is characterized in that: the platform boundary inspection instrument adopts laser ranging sensing and Bluetooth wireless communication technology, and the platform boundary inspection instrument is placed on the edge of the platform , the laser line sent by two laser ranging sensors hits the rail, and the distance between the laser ranging sensor and the measuring point is obtained, combined with the inclination sensor to measure the angle between the laser line and the ground level, the data acquisition unit sends the sensor The data is transmitted to the handheld terminal through Bluetooth, and the orbit center distance and vertical height of the measured platform are calculated on the handheld terminal, and the measurement data curve and report of the platform limit are generated. The utility model has the advantages that inspectors can use the platform limit inspector to measure the platform limit in a non-contact manner on the edge of the platform, which is convenient to carry, simple to operate and high in measurement accuracy.

Description

A Portable Platform Limit Checker

technical field

The utility model relates to the technical field of railway platform detection, in particular to a portable platform limit inspection instrument.

Background technique

By the end of 2016, the total operating mileage of my country's railways reached 124,000 kilometers, including more than 22,000 kilometers of high-speed railways. A large number of high-speed railways in my country will be put into operation in the future. The platform is an important facility for EMU trains to stop along the railway line. After long-term operation, the line and platform will sink, and the position of the rail will also shift, which will lead to changes in the boundary size of the platform. Scratches, even crashes and other safety accidents.

In accordance with the requirements of the relevant measures for the management of the platform boundaries of the Railway Corporation, each housing construction department must implement dynamic management of the high-speed rail platform boundaries within its management, conduct regular inspections, comprehensively and timely grasp the dynamic changes in the high-speed rail platform boundaries, and the detection accuracy and frequency requirements for the high-speed rail platform boundaries higher and higher.

At present, domestic high-speed railway platform boundary measurement equipment often needs to enter the track in the skylight point for measurement at night. In order to facilitate detection or leadership inspection, a portable platform limit checker is needed. It can measure the platform limit in a non-contact manner during the day without occupying the skylight point on the edge of the platform. It is easy to carry, simple to operate, and high in measurement accuracy. The inspection instrument adopts laser measurement, single-chip microcomputer, bluetooth communication and other technologies.

Contents of the invention

The purpose of this utility model is to provide a portable platform limit inspection instrument according to the above-mentioned deficiencies in the prior art. The laser ranging sensor is attached to the edge of the platform through the instrument support so that it is aimed at the rail for measurement, combined with the angle of the inclination sensor Value, to achieve non-contact platform limit measurement.

The utility model goal is realized by the following technical solutions:

A portable platform limit inspection instrument, characterized in that: the inspection instrument at least includes a laser ranging sensor, an inclination sensor, a sensor bracket and an instrument support, and the laser ranging sensor and the inclination sensor are fixedly installed on the sensor On the bracket, the sensor bracket is installed on the instrument support, and the instrument support is in an L-shaped structure. A pitching rotation mechanism and a horizontal rotation structure are arranged between the sensor bracket and the instrument support. The pitch rotation mechanism is connected to the sensor bracket to adjust the pitch angle of the laser distance measuring sensor, and the horizontal rotation structure is connected to the pitch rotation mechanism and the instrument support to adjust the horizontal measurement direction of the laser distance measurement sensor.

The inspection instrument includes two laser distance measuring sensors, and the two laser distance measuring sensors are arranged at staggered angles so that the laser lines emitted by the two laser distance measuring sensors intersect.

The instrument support is composed of a leveling bottom plate and a vertical backing plate, the leveling bottom plate and the vertical backing plate are arranged at a vertical angle to form an L-shaped structure, and the sensor bracket is installed on the leveling bottom plate.

Adjusting bolts and leveling bubbles are arranged on the leveling bottom plate.

The inspection instrument also includes a collection controller and a mobile power supply, the mobile power supply supplies power for the collection controller, the laser rangefinder, and the inclination sensor, and the collection controller collects the laser rangefinder and the laser rangefinder Measurement data of the inclination sensor.

The inspection instrument also includes a hand-held terminal, and the hand-held terminal forms a wireless data connection interaction with the acquisition controller.

A housing is connected to the sensor bracket, the laser ranging sensor and the inclination sensor are installed in the housing, and a laser lens protective cover that can be opened and closed is provided on one side of the housing.

The utility model has the advantages of: adopting platform edge abutment design, detachable sensing unit, simple structure, non-contact measurement method, can complete measurement on the platform without skylight point; measurement is based on the ground level, using high High-precision laser ranging and inclination sensors correct the influence of track gauge and superelevation, and the data is reasonable and accurate; dual laser ranging sensors are used to ensure that the inspection instrument is basically perpendicular to the platform edge and rail during measurement; data processing is performed using a handheld terminal And report generation and display, the measurement results are intuitive and convenient.

Description of drawings

Fig. 1 is the layout structure schematic diagram of the present utility model;

Fig. 2 is the side structure schematic diagram of the utility model;

Figure 3 is a schematic view of the front structure of the utility model;

Fig. 4 is a schematic diagram of the top surface structure of the utility model;

Fig. 5 is a schematic diagram of the measurement principle of the present invention.

Detailed ways

The features of the utility model and other relevant features are further described in detail below in conjunction with the accompanying drawings through the embodiments, so as to facilitate the understanding of those skilled in the art:

As shown in Figure 1-5, the numbers 1-19 in the figure respectively represent: laser ranging sensor 1, inclination sensor 2, acquisition controller 3, pitching and rotating mechanism 4, mobile power supply 5, housing 6, laser lens protection cover 7 , leveling bolt 8, leveling blister 9, vertical support plate 10, hand-held terminal 11, leveling base plate 12, sensor bracket 13, rotating fixed knob 14, horizontal rotating mechanism 15, rotating operating rod 16, hand handle 17, platform 18. Rail 19.

Embodiment: The portable platform boundary inspection instrument in this embodiment is mainly composed of four parts: sensor detection system, mechanical rotation structure, data acquisition system and handheld terminal measurement system, wherein the sensor detection system is used for the measurement of platform boundary; the mechanical rotation structure It is used to adjust the position status of the sensor detection system, so that the sensor detection system can measure different positions; the data acquisition system receives the collected data of the sensor detection system; the handheld terminal measurement system can receive, view and perform corresponding data processing on the collected data .

As shown in FIG. 1 , the sensor detection system includes a laser ranging sensor 1 and an inclination sensor 2 , both of which are fixedly installed in a housing 6 to ensure their safety. One side of the casing 6 is provided with a laser lens protective cover 7 that can be opened and closed, and the position of the laser lens protective cover 7 is corresponding to the installation position of the laser rangefinder sensor 1 and is used to protect the laser rangefinder sensor 1; when in use, Open the laser lens protection cover 7 on the housing 6, the laser distance measuring sensor 1 can emit laser light to measure the platform limit, and in other cases, the laser lens protection cover 7 is closed. Two laser distance measuring sensors 1 are arranged in the casing 6 , and the two laser distance measuring sensors 1 are arranged at staggered angles so that the laser lines emitted by the two laser distance measuring sensors 1 intersect. The housing 6 is fixed on the sensor bracket 13, the sensor bracket 13 is used to support the sensor detection system on its upper part and is also used to connect the mechanical rotating structure.

As shown in FIG. 1 to FIG. 4 , the mechanical rotation structure includes a pitch rotation mechanism 4 and a horizontal rotation mechanism 15 . The pitching and rotating mechanism 4 is arranged below the sensor bracket 13, and is used to adjust the pitching angle of the laser ranging sensor 1, that is, to control the pitching angle of the laser emitted by the laser ranging sensor 1, so as to ensure that the laser can be accurately irradiated on the rail . The pitch adjustment of the pitch rotation mechanism 4 is connected and controlled by the rotation operating rod 16, and can be limited and locked by the rotation of the fixed knob 14, so as to ensure that the laser distance measuring sensor 1 remains in a static state during measurement. The horizontal rotation mechanism 15 is arranged below the pitch rotation mechanism 4 and is fixedly installed above the leveling base plate 12. The horizontal rotation mechanism 15 is used to adjust the direction of the laser light emitted by the laser ranging sensor 1 to ensure that it can be irradiated vertically on the rail. superior.

As shown in FIG. 4 , the leveling bottom plate 12 is provided with leveling bolts 8 and leveling blisters 9 , the levelness of the leveling bottom plate 12 can be adjusted through the leveling bolts 8 and can be checked through the leveling blisters 9 . As shown in FIGS. 1 to 3 , a vertical backing plate 10 is fixedly arranged at one end of the leveling bottom plate 12 , and the vertical backing plate 10 and the leveling bottom plate 12 are arranged at a vertical angle. The combination of the leveling base plate 12 and the vertical backing plate 10 forms an L-shaped instrument support, so that the inspection instrument is erected on the edge of the platform as a whole.

Shown in conjunction with Fig. 1 and Fig. 3, data acquisition system comprises acquisition controller 3 and mobile power supply 5, and wherein acquisition controller 3 is installed in the inside of housing 6, and it receives the measurement data of laser ranging sensor 1 and inclination sensor 2; The power supply 5 can be placed on the leveling base plate 12, which supplies power for the laser ranging sensor 1, the inclination sensor and the acquisition control 3.

As shown in FIG. 1 , the handheld terminal measurement system includes a handheld terminal 11 , which can be placed on a leveling base 12 . The handheld terminal 11 and the collection controller 3 form a wireless data connection interaction, so that the handheld terminal 11 can receive the measurement data collected by the collection controller 3 .

The working method of this embodiment is as follows:

1) Open the casing 6 of the inspection instrument, and stick the vertical support plate 10 to the edge of the platform 18, as shown in Figure 5. Before the measurement, connect the mobile power supply 5 and the power port of the acquisition control main board 3, press the switch of the tester, the indicator light flashes, open the measurement software on the handheld terminal 11, connect the measurement equipment, the indicator light is always on, and adjust the bottom plate first for each measurement The leveling knob 8 on the top makes the leveling bubble 9 be in the middle position.

2) After that, click on the hand-held terminal 11 to start measurement or next group. At this time, the laser distance measuring sensor 1 of the inspection instrument will be automatically turned on, and the laser lines of the two laser distance measuring sensors 1 will be irradiated on the track. Rotate the operation lever 16 and the horizontal rotation mechanism 15, so that the two laser points just hit the rail foot of the rail 19 at the near end of the platform, fix the rotary knob, and carry out the data collection of the proximal rail; continue to rotate the operation lever 16 and the horizontal rotation mechanism 15 , so that the two laser points just hit the rail foot of the rail 19 at the far end of the platform, tighten and rotate the fixed knob 14, and carry out data collection of the far-end rail; combining the two data, the distance between the rail center and the vertical height of the platform can be calculated. The measured value and the measured data are also saved to the handheld terminal 11 for subsequent viewing or import into the data management system.

When this embodiment is actually implemented: a hand handle 17 is provided on the top of the housing 6 to facilitate the inspection personnel to move the inspection instrument.

The measurement objects applicable to this embodiment are passenger-dedicated railway platforms and passenger-cargo high-speed railway platforms, and can measure the track center distance and vertical height of their positions.

Among them, the track center distance refers to the distance from the nearest point on the side of the platform to the vertical line where the midpoint of the line connecting the two rail tops is located in a section perpendicular to the center line of the line, taking the earth as the measurement reference.

The vertical height refers to the vertical height from the highest point on the edge of the platform to the horizontal line where the midpoint of the line connecting the tops of the two rails is located in a section perpendicular to the center line of the line when the earth is used as the measurement reference.

The measurement range of this embodiment is formulated according to the platform building limits stipulated in the "Railway Technical Management Regulations" and "Standard Gauge Railway Building Limits", and meets the requirements of the measurement allowable deviation stipulated in the "Railway Building Actual Limit Measurement and Data Format". The specific measurement range is:

1) Measurement range of track center distance: 1500-2000mm, measurement deviation: ±5mm;

2) Vertical height measurement range: 1000-1400mm, measurement deviation: ±5mm;

The built-in large-capacity mobile power supply used in this embodiment has a maximum continuous working time of 12 hours. It is suitable for the measurement requirements of railway platform boundaries in various environments, has a reliable electrical protection device, the whole machine has a simple structure, the measurement process is convenient and fast, and the work is safe and reliable.

Although the above embodiments have described in detail the conception and embodiments of the purpose of the utility model with reference to the accompanying drawings, those of ordinary skill in the art can recognize that the utility model can still be made without departing from the scope of the claims. There are various improvements and transformations, so details will not be repeated here.

Claims (7)

1. a kind of portable platform checking of clearance instrument, it is characterised in that：The somascope includes at least laser range sensor, inclines Angle transducer, sensor stand and instrument bearing, the laser range sensor and the obliquity sensor are fixedly mounted on institute It states on sensor stand, the sensor stand is mounted on the instrument bearing, and the instrument bearing is of an L-shaped structure, described Pitch rotation mechanism and horizontal rotation structure, the pitch rotation mechanism are provided between sensor stand and the instrument bearing The sensor stand is connected to adjust the pitch angle of the laser range sensor, is bowed described in the horizontal rotation structure connection Rotating mechanism and the instrument bearing are faced upward to adjust the horizontal measurement direction of the laser range sensor.

2. a kind of portable platform checking of clearance instrument according to claim 1, it is characterised in that：The somascope includes two A laser range sensor, two laser range sensors make two laser ranging sensings in the angle arrangement that is staggered The laser rays intersection that device is launched.

3. a kind of portable platform checking of clearance instrument according to claim 1, it is characterised in that：The instrument bearing is by adjusting Flat underside and vertical backup plate are constituted, and perpendicular angle arrangement is to constitute L-type structure between the leveling bottom plate and vertical backup plate, institute Sensor stand is stated on the leveling bottom plate.

4. a kind of portable platform checking of clearance instrument according to claim 3, it is characterised in that：On the leveling bottom plate It is provided with adjusting bolt and leveling bubble.

5. a kind of portable platform checking of clearance instrument according to claim 1, it is characterised in that：The somascope further includes Acquisition controller and mobile power, the mobile power are that the acquisition controller and the laser range sensor, inclination angle pass Sensor is powered, and the acquisition controller acquires the measurement data of the laser range sensor and the obliquity sensor.

6. a kind of portable platform checking of clearance instrument according to claim 5, it is characterised in that：The somascope further includes One manual terminal, the manual terminal constitute wireless data connection with the acquisition controller and interact.

7. a kind of portable platform checking of clearance instrument according to claim 1, it is characterised in that：On the sensor stand It is connected with a shell, the laser range sensor and the obliquity sensor are mounted in the shell, and the one of the shell Side offers openable and closable laser lens protection cap.