JPH06227395A - Automatic measuring device for vehicle measuring part - Google Patents

Abstract

PURPOSE:To automate measurement, and to save labor by operating measuring means, when a vehicle detecting means detects a vehicle traveling on a track at a given speed, for measuring specific measuring parts of the vehicle so as to store the measured values in a storing part. CONSTITUTION:When a vehicle detecting image sensor 1 detects the reflection of light of a projecting lamp 10 for detecting a vehicle 7 traveling on a track 8, a plurality of measuring means 2, 3, 4 start to operate. In other words, coupler marking image sensors 2 measure the height from the rail surface of a marking 11 that has been provided to the coupler. Vehicle end-beam laser sensors 3 measure the beam height 13 (not shown) by utilizing the reflection of laser beams, and axle-spring image sensors 4 measure the balance of the axle springs 15 (not shown) by utilizing the reflection of light of projecting lamps 14. In the respective measuring means 2, 3, 4, it is judged whether or not the respective measurements are within an allowable range, and the result of judgment and the measurements are sent to a control part 6, and are stored in a floppy disk 5.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to regular inspection, maintenance, and inspection of vehicles such as railways, and particularly, to measure the markings of couplers, the height of vehicle end beams from the track, and the balance of shaft springs. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a measurement part automatic measuring device for a vehicle.

[0002]

2. Description of the Related Art Generally, a vehicle such as a railway has eight wheels attached to one vehicle, and the outer diameters of the wheels are processed and maintained to have the same outer diameter so that the balance of one vehicle is maintained. But,
The outer diameter of the wheels may change due to wear or the like due to running, and the balance of one vehicle may be lost. A vehicle with an unbalanced condition cannot run smoothly. Therefore, disassemble and maintain the vehicle every 3 years or 400,000 km, and after disassembling and maintaining the assembled four vehicles, mark the coupler and balance the height of the axle spring from the track of the vehicle end beam etc. It is obligatory to measure and record the measurement site of the vehicle. Then, if those measured values are slightly different from the predetermined value, maintain the wheel outer diameter etc. so that balance is maintained, and if it is significantly different, replace the wheels, etc., It was maintained to maintain the balance of 1 vehicle and the balance when 4 cars were connected.

[0003]

However, most of the conventional measurement of the measurement portion of the vehicle in the above-mentioned maintenance is done manually. For example, in the case of a vehicle end beam, a vehicle with four cars connected is run to the inspection site. Stop the car, and the workers will form a group of two, and the vehicle will move to the front left, front right, rear left, rear right of the vehicle one by one, and the measuring points will be moved forward and backward. As a result, it takes about 15 minutes to measure one vehicle, and if one train has 4 cars, it will take 1 hour for two people, which is very inefficient in terms of labor and time. have.

[0004] In addition, the record of the measured value is easily filled in on a predetermined form, so that mistaken entry is apt to occur, and further, it is possible to search and organize necessary measurement records at a later date by turning over the predetermined form. There is also a problem that it is very troublesome to search.

The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to provide an apparatus for automatically measuring a measurement portion of a vehicle. Is.

[0006]

In order to achieve the above-mentioned object, an automatic measuring portion measuring device for a vehicle according to the present invention includes a vehicle detecting means for detecting a vehicle traveling at a constant speed on a track and a vehicle detecting means for detecting the vehicle along the track. The vehicle detecting means is provided with a plurality of measuring means arranged to measure a specific measurement portion of the vehicle when the vehicle detecting means detects the vehicle, and a storage means for storing a measurement value of the measuring means.

[0007]

According to the above means, when the vehicle detecting means detects a vehicle traveling on the track at a constant speed, the measuring means operates to sequentially measure a specific measurement portion of the vehicle, and the storing means successively outputs the measured values. Remember.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a device arrangement of an automatic measuring part measuring device for a vehicle of the present invention, FIG. 2 is a view showing a measuring part of a vehicle, and FIG. 3 is a block of an automatic measuring part measuring device for a vehicle of the present invention. FIG. 4 is a work flow chart of the automatic measuring part measuring device for a vehicle according to the present invention.

FIGS. 1 (a) and 1 (b) show the arrangement of the vehicle detection means and the measurement means from the side surface and the top surface, respectively, and FIG. 1 (c) shows the separately arranged storage means. is there. In FIG. 1, 1 is an image sensor for vehicle detection as vehicle detection means, 2 and 3 and 4 are measuring means for measuring respective specific measurement parts of a vehicle, 2 is an image sensor for marking couplers, and 3 is Laser sensors for vehicle end beams, and 4 are image sensors for shaft springs. Further, 5 is a floppy disk as a storage means, and 6 is a control section for controlling the means. Reference numeral 7 is a vehicle, 8 is a track, 9 is a display device such as a CRT, and 19 is a wheel.

The image sensor 1 for detecting a vehicle is provided on a support column which is erected along the track 8, and the projection lamp 1 is provided.
The vehicle 7 is detected by detecting the reflection of 0 light. Then, the detection signal of the vehicle 7 is sent to the control unit 6 to activate each measuring means described later. The vehicle number 7a of the vehicle is also read and the vehicle number is sent to the control unit 6. The control unit 6 stores the vehicle number in the floppy disk 5 as a storage means.

The image sensor 2 for marking the coupler is
When the vehicle detection means 1 detects the vehicle 7, the vehicles 7 are arranged along the track 8 so as to sandwich the vehicle 7. The reflection of the light from the floodlight 11 is detected and the coupler shown in FIG. The height of the marking 11 provided from the rail surface is measured, it is determined whether or not the coupler marking is present within the allowable height range, and the measurement value and the determination result signal are sent to the control unit 6. Then, the control unit 6 stores the measured value and the determination result in the floppy disk 5 as a storage means. This coupling marking measurement is performed on the front coupling marking of the first vehicle and the rear coupling marking of the last vehicle when the vehicles are connected in multiples.

The vehicle end beam laser sensor 3 is composed of a laser emitting portion 3a and a laser receiving portion 3b, and is arranged on the left and right along a track 8 under the floor of the vehicle. When the vehicle detection means 1 detects a vehicle, a laser is emitted from the laser emitting section 3a, and the laser is reflected by the vehicle end beam 12 shown in FIG. 2A and enters the laser receiving section 3b. By detecting this, the beam height 13 from the track surface of the vehicle is measured, and the vehicle end beam height 1
The measured value of 3 is sent to the control unit 6. Then, the control unit 6 causes the floppy disk 5 as a storage unit to store the vehicle end beam height 13
Store the measured value of. This vehicle end beam height 13 is measured for the front, rear, left, and right end beams of the vehicle, and for each vehicle when multiple vehicles are connected.

The image sensors 4 for the shaft springs are arranged on the left and right along the track 8 so as to sandwich the vehicle 7, and the vehicle detection means 1 is provided.
When the vehicle 7 detects the vehicle 7, it detects the reflection of the light from the floodlight 14 and measures the balance of the shaft spring 15 shown in FIG. The balance of the shaft spring 15 is determined by the lower surface 16 of the wheel shaft suspension fitting.
Is determined by the distance 18 between the shaft box upper surface 17 and. The shaft spring image sensor 4 measures the distance 18, determines whether or not the measured value is within an allowable range, and sends a signal of the measured value and the determination result to the control unit 6. Then, the control unit 6 stores the measured value and the determination result in the floppy disk 5 as a storage means. The measurement of the balance of the shaft spring 15 is performed for each wheel 19 of one vehicle, and when a plurality of vehicles are connected, each wheel of each vehicle is measured.

The control unit 6 is a personal computer 6a.
Etc. and an interface box 6b such as a sensor timing gate generator and a converter. As shown in FIG. 3, the vehicle detection image sensor 1 and the respective measurement sensors 2, 3, 4 are connected to serve as a storage means. The floppy disk 5 is inserted. Then, the sensors and the like are controlled to operate the automatic measuring part measuring device for a vehicle of the present invention as described later.

Next, with reference to FIG. 4, the operation of the automatic measuring part measuring device for a vehicle according to the present invention will be described. First, power on the control unit 6 and the vehicle detection image sensor 1 (2
0). The vehicle detection image sensor 1 detects that a four-connected vehicle has entered at a constant low speed on the track on which the measurement sensor is arranged, reads the vehicle number, and the detection signal and vehicle number are sent to the control unit. Is sent (21). The control section displays the vehicle number on the CRT, stores the vehicle number in the floppy disk 5, and activates each measuring sensor (22).

Furthermore, when the vehicle continues to travel on the track and the coupler marking image sensor approaches the coupler at the front of the first vehicle, the coupler marking image sensor is moved from the track surface of the coupler marking. The height is measured, it is determined whether it is within the allowable height, and the measured value and the determination result are sent to the control unit (23). The control unit displays the measured value and the determination result on the CRT and stores them in the floppy disk 5 (24).

Subsequently, when the vehicle travels on the track and the front part of the first car reaches the laser sensor for the vehicle end beam, the height of the left and right vehicle end beams of the vehicle front part from the rail surface is measured. The beam laser sensor measures and sends the measured value to the control unit (25). The controller displays the measured value on the CRT and stores it in the floppy disk 5 (26).

When the frontmost wheel of the first vehicle approaches the shaft spring image sensor, the shaft spring image sensor measures the balance of the shaft springs of the left and right wheels to determine whether or not it is within the allowable range. , And sends the measured value and the determination result to the control unit (27). The control unit displays the measured value and the determination result in C
It is displayed on the RT and stored in the floppy disk 5 (28). Since the balance of the axial springs of the left and right wheels is measured for all the wheels attached to one vehicle, it is measured four times when the left and right wheels have eight wheels in total (29).

When the end beam at the rear of the vehicle reaches the laser sensor for the end beam of the vehicle, the laser sensor for the end beam of the vehicle determines the height from the rail surface of the left and right end beams of the vehicle at the end of the laser beam for the end beam of the vehicle. The sensor measures and sends the measured value to the controller (30). The control unit displays the measured value on the CRT and stores it in the floppy disk 5 (31).

When the vehicle continues to run and the front part of the second vehicle reaches the laser sensor for the vehicle end beam, the work returns to 25, and the left and right vehicle end beams on the front part of the vehicle rise above the rail surface. This is measured by the laser sensor for the vehicle end beam, and the measured value is sent to the control unit (25). Where work 25 to 3
Repeat steps 1 to 2 for the second car, the third car, and the last car, the fourth car (32).

When the connector at the rear of the fourth vehicle, which is the last vehicle, approaches the image sensor for marking the connector, the image sensor for marking the connector measures the height of the connector marking from the track surface and allows it. It is determined whether the height is within the height, and the measured value and the determination result are sent to the control unit (33). The control unit displays the measured value and the determination result on the CRT and stores them in the floppy disk 5 (34).

Finally, the presence / absence of the vehicle is confirmed, and if the vehicle is present, the operation 21 is returned to and the automatic measurement of the measurement site of the vehicle continues. If there is no vehicle, the power is turned off and the process ends (35).

If a keyboard or printer is connected to the control unit, it is possible to process the measurement data and create a record book. Further, in the above-mentioned embodiment, the specific measurement portion is taken as an example of only three types of markings of the connector, the vehicle end beam, and the shaft spring, but by further increasing the measuring means and arranging along the track, if necessary, It is possible to automatically measure other measurement points.

Further, a speed sensor can be used as the speed detecting means. In this case, based on the vehicle speed detected by the speed sensor, the time when each measurement portion of the vehicle passes through the measuring means is accurately calculated, and if each measuring means operates based on the time, the measurement noise is reduced. Is eliminated and the measurement can be performed more accurately.

[0025]

According to the automatic measuring device for a vehicle of the present invention, the vehicle detecting means for detecting a vehicle traveling on the track at a constant speed, and the vehicle detecting means arranged along the track for detecting the vehicle. When the vehicle detection means detects a vehicle traveling at a constant speed on the track by providing a plurality of measurement means for measuring a specific measurement part of the vehicle and a storage means for storing the measurement value of the measurement means, the measurement is performed. The means operates to sequentially measure a specific measurement portion of the vehicle, and the storage means sequentially stores the measured values, so that the vehicle can simply pass through the measurement site without the worker walking around for the measurement. , Allows the measurement site of the vehicle to be automatically measured and stored.

As a result, human labor and time for measuring the measurement portion of the vehicle can be reduced, and maintenance and inspection of the vehicle can be performed very efficiently. In addition, erroneous entry due to manual entry is eliminated, and it becomes easy to search and organize the measurement records at a later date, and the measurement records can be effectively used.

[Brief description of drawings]

FIG. 1 is a diagram showing a device arrangement of an automatic measuring part measuring device for a vehicle according to the present invention.

FIG. 2 is a diagram showing a measurement unit of a vehicle.

FIG. 3 is a block diagram of an automatic measurement part measuring device for a vehicle according to the present invention.

FIG. 4 is a work flow chart of the automatic measurement part measuring device for a vehicle of the present invention.

[Explanation of symbols]

 1 Vehicle Detection Image Sensor (Vehicle Detection Means) 2 Coupler Marking Image Sensor (Measurement Means) 3 Vehicle End Beam Laser Sensor (Measurement Means) 4 Shaft Spring Image Sensor (Measurement Means) 5 Floppy Disk (Memory Means) 6 Control unit 7 Vehicle 8 Track

Claims (1)

[Claims] 1. A vehicle detecting means for detecting a vehicle traveling on a track at a constant speed, and a plurality of measuring means arranged along the track for measuring a specific measurement portion of the vehicle when the vehicle detecting means detects the vehicle. An automatic measurement site measuring device for a vehicle, comprising: and a storage unit that stores a measurement value of the measurement unit.