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1. Overview
TYJJ-2 model Laser height and stagger gauge is a newly developed intelligent OHL (Over Head Line) measuring instrument developed by our company. The system consists of laser ranging, grating angular, track gauge, and horizontal measuring modules. Integrate the laser non-cooperative target ranging technology, grating angular technology two-dimensional coordinate measuring system and sensor information fusion technology. It provides a perfect solution for the railway department to establish a digital management platform for OHL parameters, erection of the electrified railway OHL and "state repair".
2. Assembly
The TYJJ-2 Laser height and stagger gauge is an all-in-one machine, and the measuring host part is connected with the measuring frame. The host functions include: laser measurement, vertical angle measurement; the measurement frame is a horizontal bar placed horizontally between the rails, mainly supporting the measurement host, measuring the gauge, measuring the horizontal tilt angle and so on.
3. Main Technical Parameters
(1) Working condition
Working temperature: -20~+50ºC
Related humidity: ≤90%RH
Altitude: ≤2500m
(2) Technical specification
| 1 | Cable Height | Range 3000~15000mm Accuracy ±3mm |
| 2 | Cable stagger | Range ±3000mm Accuracy ±4mm |
| 3 | Cross center | Accuracy ±3mm |
| 4 | Elevation difference at 500mm | Accuracy ±4mm |
| 5 | Track gauge | Range 1410~1470mm Accuracy ±0.5mm |
| 6 | Super-Elevation (horizontal) | Range ±200mm Accuracy ±0.5mm |
| 7 | Red line | Accuracy ±4mm |
| 8 | Mast gauge | Accuracy ±4mm |
| 9 | Elevation difference between catenary and contact wire | Accuracy ±4mm |
| 10 | Distance between railway transmission lines and contact wire | Accuracy ±4mm |
| 11 | Overlap section | Accuracy ±4mm |
| 12 | Registration arm slope | 1:n (n accurate to 0.1) |
| 13 | Free measurement | Horizontal accuracy ±4mm Vertical accuracy ±3mm |
| 14 | Mast span on both sides of the track | Range 35000mm Accuracy ±5mm |
(3) Electrical parameters
Voltage: 8.4V
Electric current: 430mA
Continuous working time: no less than 12 hours
Laser wavelength: 650nm
(4) Mechanical parameters
Weight: 4.7kg
Dimension: 1620(L) x 160(W) x 175(H)mm
| Working temperature | -20~+50ºC |
|---|---|
| Related humidity | ≤90%RH |
| Altitude | ≤2500m |
| Voltage | 8.4V |
| Electric current | 430mA |
| Continuous working time | no less than 12 hours |
| Laser wavelength | 650nm |
| Weight | 4.7kg |
| Dimension | 1620(L) x 160(W) x 175(H)mm |
The TYJJ-2 Laser height and stagger gauge is used for measuring overhead line parameters, including cable height, stagger, and track gauge, which are essential for railway electrification and maintenance.
The TYJJ-2 model features laser measurement technology, vertical angle measurement, and a measuring frame that supports various measurements such as gauge and horizontal tilt angle.
The operating temperature range for the TYJJ-2 is -20ºC to +50ºC.
The accuracy of the measurements varies by parameter, with cable height accuracy at ±3mm, cable stagger at ±4mm, and track gauge at ±0.5mm.
The TYJJ-2 weighs 4.7 kg and has dimensions of 1620 mm (L) x 160 mm (W) x 175 mm (H).
The TYJJ-2 can operate continuously for no less than 12 hours on a single charge.
The TYJJ-2 utilizes laser ranging technology, grating angular technology, and sensor information fusion technology for precise measurements.
Yes, the TYJJ-2 can operate in environments with relative humidity up to 90% RH.
The TYJJ-2 can measure cable heights ranging from 3000 mm to 15000 mm.
The track gauge can be measured within a range of 1410 to 1470 mm.
Yes, the TYJJ-2 is designed for outdoor use under various weather conditions, as long as it is within the specified operating temperature and humidity ranges.
The laser wavelength used in the TYJJ-2 is 650 nm.
The TYJJ-2 integrates various measurement technologies to provide accurate data, which can be used to establish a digital management platform for overhead line parameters in the railway department.
The TYJJ-2 is an all-in-one device that includes the measuring host and a measuring frame that supports various measurement functions.
The TYJJ-2 operates at a voltage of 8.4V and an electric current of 430mA.
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