CN2261011Y

CN2261011Y - Portable instrument for detecting roundness of railway curve

Info

Publication number: CN2261011Y
Application number: CN 96209225
Authority: CN
Inventors: 黄远绥
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-05-09
Filing date: 1996-05-09
Publication date: 1997-08-27
Anticipated expiration: 2006-05-09

Abstract

The utility model relates to a portable instrument for detecting roundness of a railway curve, which is used for detecting rail curve versine and automatically calculating track-shifting quantity and belongs to the special measuring and detecting instrument for railway. The utility model is provided with a detecting rod which is separated with a microcomputer printer and is provided with a data acquisition device, an optical device, a displacement sensor, etc. According to the optical principle, an intangible string between front and back points is arranged at the detected rail curve as a reference line for actually detecting versine and the acquired data, such as versine, side abrasion of rail heads, temperature, etc., are input into the microcomputer to obtain track-shifting quantity. The utility model replaces the traditional positive process detecting way with a manual rope and improves detecting precision and work efficiency.

Description

Portable railway curve garden compliance detector

This portable railway curve garden compliance detector is applicable to and measures the rail track curve versine, calculates each measured point track lining amount automatically, belongs to the special-purpose Measuring and testing utensil of railway.

The classic method that detects railway curve garden compliance is that rope is executed, promptly strain one 20 meters long strings of a musical instrument by 2 people, the following 16 millimeters places of the inboard rail level of outer rail are close at two ends, there is 1 human ruler to measure the curve action (curve versine) at mid-chord place again, from spring of curve, every 10 meters be side point, survey, remember the positive vector of each measuring point one by one, versed sine with design compares again, calculates the track lining amount of each measuring point.Above-mentioned existing method takies that manpower is many, workload is big, efficient is low, low precision, and calculates loaded down with trivial detailsly, and the field staff is difficult for the minimum track lining amount that computation optimization goes out each measuring point, and testing also is subjected to the weather factor affecting.

The purpose of this utility model is will design a kind of railway curve garden compliance detector of the invisible string of a musical instrument of setting up to substitute above-mentioned manual detection mode, the positive vector that this detector can show automatically, recording storage is surveyed, and after handling, microcomputer calculates the track lining amount of each measuring point automatically, to increase work efficiency and accuracy of detection, be convenient to execute-in-place.

The purpose of this utility model can realize in the following manner.

Portable minisize is set calculates meter, printer, but the test rod of crossbearer on two one steel rails is connected with the microcomputer printer through transfer wire, connector, and displacement transducer is housed on test rod, data collector can be along the axially movable optical devices of the test rod body of rod.

The  type backstay that order setting can contact with the rail web of the rail on the test rod, first displacement transducer that contacts with rail head side of rail, temperature sensor, second displacement transducer with the optical devices connection, the guide rail that the support of optical device moves, micromatic setting, operating key, LCD, the lower rear of the body of rod also is provided with the support wheel that can place on the opposite side rail head of rail.When the test rod crossbearer is on tested rail curve, its front portion is overlapped on the outer rail, backstay is aimed at measuring point outer rail web of the rail mark line, first displacement transducer contacts with outer rail rail head medial surface, the rear portion of test rod is overlapped on the interior rail, and mark line that can the measuring point outer rail is that axle rotates, when the division line on the graticule of the mark line of front and back measuring point and optical devices overlaps, optical devices are rail curve actual measurement positive vector along the axially movable distance of test rod, with this measured data, the data input micro computer of each sensor acquisition is handled, after the calculating, can obtain the track lining amount.

Major advantage of the present utility model is: 1, utilize photovoltaic principals to set up the invisible string of a musical instrument and detect rail curve versine instead of manual mode, save manpower, and improve accuracy of detection; 2, the data of surveying as calculated machine handle, calculate the back and print, can obtain each measuring point track lining amount at the scene, and, be convenient to select for use because calculator memory has Optimization Software; 3, complete machine is portable, is convenient for carrying, operates, and has LCDs, and is directly perceived.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is the utility model complete machine structure figure;

Fig. 2 is the optical devices cut-open view;

Fig. 3 is the enlarged drawing of graticule 20 in the optical devices, and e, f are mark on the forward and backward measuring point web of the rail among the figure;

Fig. 4 is the data collector circuit theory diagrams;

Fig. 5, Fig. 6 detect the schematic diagram of rail curve versine amount for adopting this test rod, and Fig. 5 is a straight line location, and Fig. 6 is the curve location.

Data collector 3 is connected to form step by step by level changing circuit 22, single-chip microcomputer and serial reading writing memory 23, mould/number conversion circuit 24 in the present embodiment, also be provided with keyboard circuit 25 and power sense circuit 26, mould/number conversion circuit 24 also connects LCD 11, singlechip CPU 1, CPU2 adopt 8751,8098 types respectively, gate circuit U1-U8 in each circuit adopts the TL064 cake core, integrated U9-U13 adopts the 74LS04 type, and LCD is LCD (M-805) type.Optical devices 7 are provided with sky shade 13, and dustproof glass 14 is provided with base 15 from bottom to top in the main body, mirror unit 16, and front and back measuring point mark catoptron 17 has on again lens barrel 19 objective lens 18 to be arranged in it, and there is graticule 20 lens barrel 19 upper ends, eyepiece 21.Sensor on the test rod is commercially available, and

displacement transducer

2,6 is a capacitive sensor.

Principle of work and method of testing are as follows: at first on the outer rail web of the rail of tested rail at a certain distance l arrange a measuring point, draw and go up mark line, with test rod III crossbearer on the inside and outside rail of rail, the end that (referring to Fig. 1, Fig. 5, Fig. 6) test rod III has backstay 1, first displacement transducer 2 places on the outer rail, and an end that has support wheel 8 places on the interior rail.If B, D, C are three measuring points, web of the rail mark line location with measuring point D, the guide rail 12 of optical devices 7 along test rod moved, adjust the focal length of eyepiece 21, sight B, C two measuring points, this moment, optical devices 7 were in the A of test rod point position, form an isoceles triangle shape △ ABC, BC is the base, and AD is high (Fig. 5), so set up an invisible string of a musical instrument, as the datum line of measuring this point curve versed sine with front and back measuring point web of the rail mark line location.When detecting rail curve location (Fig. 6), locate with measuring point D ', promptly establishing A ' D ' is zero, determine the zero-bit of detector, aim at the mark line of D ' the some web of the rail with backstay 1, rotate the support wheel 8 of the test rod other end, while mobile optical device 7, by two catoptrons 17 with the front and back measuring point (B ', C ') mark line on the web of the rail reflexes to imaging on the objective lens 18, its image projection is to graticule 20, adjust micromatic setting 10 and eyepiece 21, make B ', the mark line of C ' measuring point clearly with graticule 20 on division line overlap (Fig. 8), the position of optical devices 7 this moment on test rod moves to A along guide rail 12 by A ' point " point; distance A ' " curve that is the corresponding D ' point of invisible string of a musical instrument B ' C ' place is surveyed versed sine to A, first displacement transducer 2 is also measured rail head side wear amount simultaneously, and temperature sensor 4 is measured the test rod temperature.Press operating key 9, on LCD 11, demonstrate and survey period and this point actual measurement positive vector, simultaneously data such as the versed sine that records, temperature, rail head side wear amount are imported data collector 3.Treating that each measuring point of curve detects successively finishes, with transfer wire, connector portable minisize Computer I, printer II are connected with test rod III, with keyboard 25 each factor data of this curve of input, select computing method again, press correspondent button, the detection data of storage are imported microcomputer I automatically in the data collector 3, and machine is handled relevant datas such as the printable output track lining amount in back as calculated.

Claims

1, a kind of portable railway curve garden compliance detector, relate to portable minisize computing machine (I), printer (II), it is characterized in that: but the test rod (III) of crossbearer on two one steel rails is set, be connected with microcomputer (I) printer (II) through transfer wire, connector, displacement transducer (2,6) is housed on test rod (III), data collector (3) can be along the axially movable optical devices of the test rod body of rod (5) (7).

2, curve according to claim 1 garden compliance detector, it is characterized in that: test rod (III) is gone up the  type backstay (1) that order setting can contact with the rail web of the rail, first displacement transducer (2) that contacts with rail head side of rail, temperature sensor (4), second displacement transducer (6) with the optical devices connection, the guide rail (12) that support of optical device (7) moves, micromatic setting (10), operating key (9), LCD (11), the lower rear of the body of rod (5) also are provided with the support wheel (8) that can place on the opposite side rail head of rail.

3, curve according to claim 1 garden compliance detector is characterized in that:

Data collector (3) is connected to form step by step by level changing circuit (22), single-chip microcomputer and serial reading writing memory (23), mould/number conversion circuit (24), also be provided with keyboard circuit (25) and power sense circuit (26), mould/number conversion circuit (24) also connects LCD (11);

Optical devices (7) are provided with sky shade (13), and dustproof glass (14) is provided with base (15) from bottom to top in the main body, mirror unit (16), front and back measuring point mark catoptrons (17) have on again lens barrel (19) objective lens (18) to be arranged in it, there are graticule (20), eyepiece (21) in lens barrel (19) upper end.