Tack Motor Car Introduction

1. Overview

The Track motor car is mainly used for the installation, maintenance, daily inspection and maintenance of the railway OCS facilities, and can also be used as a traction power. The vehicle is a four-axle vehicle with hydraulic mechanical transmission, mainly composed of frame, vehicle body, running gear, power supply and transmission system, braking system, hydraulic system, electrical system, crane, etc. Diesel generator sets and air conditioners can also be installed according to user requirements. The basket mechanism is fully hydraulically driven, featuring large lifting capacity and wide lifting range.

2.Specification

2.1.Environment

Temperature: -40℃～+45℃

It is suitable for wind, rain, snow and night work.

2.2.Vehcile specification:

Track gauge： 1435mm

Axle gage: 7200mm

Bogie axle gage 1800mm

Axial type 1A-A1

Min. Turning radius: 100m

Max. Running speed: 45km/h

Engine power: 242kW/2100r/min（QSL9-C325+TDCN-33-1002Q）

Transmission method: Hydraulic－Mechanical

Braking mode: Air brake and parking hand brake

Emergency braking distance : ≤ 400m (single machine, straight,road, initial speed 80km/h)

Coupler type : Tight joint coupler

Height of coupler center line (from rail surface): 880mm±10mm

Gross rail load on axle: ≤16t

Dimension: 13550mm×2690mm×3500mm（I can be adjusted according to the gauge）

The gauge shall meet the requirements of vehicle line gauge

2.3.Crane specification：

Max. lifting force: 10t

Max. working range : 8.2m

3. Main Technical Features

3.1. Power unit

It selects CUMMINS USA electronically controlled fuel injection diesel engine . The diesel engine adopts air air cooling technology, with low fuel consumption, advanced technical performance and low noise. Its emissions meet the US EPA III standard and meet the urban environmental protection requirements.

The engine parameters are as follows:

Model: QSL9-C325

Rated power: 242 kW (325 hp)/2100 r/min

Maximum torque: 1424N · m

Speed at maximum torque: 1500r/min

Displacement: 8.9L

Fuel consumption rate at rated power: 236g/kW · h (at 242 kW, 2100 rpm)

It adopts the power shift gearbox of Hitachi Railway, with the same front to rear speed ratio, and three forward gears and three reverse gears. The overall transmission efficiency of the whole vehicle is high.

Model: TDCN-33-1002Q

Type torque converter+power shift transmission

Shift mode: Electro hydraulic shift

Gear three in and three out

3.2. Frame and running gear

The frame is composed of center sill, side sill, etc., and is assembled and welded on the special tire mold, with sufficient strength and stiffness. This vehicle is equipped with two two axle welded bogies, which are of reasonable structure type. The requirements of minimum bending capacity and stability index are fully considered. The middle and longitudinal beams of the frame are welded into a box structure with steel plates, which is of high rigidity and strength. A new type of locomotive axle box bearing is installed in the axle bearing box, and the herringbone rubber spring is used for suspension. Adopted integral wheel, which ensures safe and stable operation, high adhesion utilization, good curve negotiation performance and good operation quality.

3.3. Car body and interior layout

The car body is rectangular steel pipe welded structure, filled with thermal insulation materials, the outer cover is made of thin steel plate, and the inside of the car is of double panel ceiling for air-conditioned passenger cars. The floor is of multi-layer structure and sprayed with sound absorption damping adhesive. The surface is pasted with flame retardant and oil resistant floor leather. The access floor for maintenance uses a flexible locking mechanism to prevent the access floor from being lifted by the wind. The sliding double glass side window is adopted and equipped with screen window. The windshield is a safety glass with wide vision. The whole vehicle has good heat insulation, sound insulation and flame retardancy. The car is equipped with a leather driver's chair that can adjust the front and rear, height and backrest tilt angle, and can be arranged with sleeping berths, bus side seats and other facilities, providing a good working and living environment for drivers. Fire extinguishers are also arranged in the vehicle. The rear wall of the car body is equipped with a door.

3.4. Electrical system

The vehicle adopts DC 24V negative grounding single wire power supply system. The electrical system is mainly composed of power supply, lighting system, monitoring instrument and alarm system, driving control system, operation control system, communication facilities and AC system.

3.4.1. Power supply

The power supply of this vehicle is composed of imported alkaline battery and charging generator. Small diesel generator sets can also be installed.

3.4.2. Lighting system

Both ends of the car body are equipped with headlights, lower headlights and signal lights (all LED lights) for driving lighting. Lighting lamp (LED lamp) is set in the cab, and inspection lamp (LED lamp) is set in the machine room and under the frame; The operation platform is equipped with lighting lamps and shockproof projection lamps for use in construction work; When installing the detection device, two searchlights are installed in the middle of the top of the cab. The lighting device of the whole vehicle shall meet the requirements of operating vehicles and driving at night and in the tunnel.

3.4.3 Monitoring instrument and alarm system

It is equipped with a touch LCD display and an alarm lamp. The display screen displays engine speed, water temperature, oil pressure, torque converter oil temperature, oil pressure and other parameters, and can alarm the high water temperature and low oil pressure through the alarm lamp.

3.4.4. Train operation control system

The driving control system includes the control system for engine starting, speed regulating and shutdown, and the gear shifting and reversing control device of the transmission case. This vehicle adopts electronic control system to realize the adjustment and conversion of gear position and vehicle running direction. There are two modes of automatic shift and manual shift, which are easy to operate.

3.4.5. Operation control system

The operation control system includes the power extraction control of the operation oil pump and the control of the lifting and slewing operation platform.

3.4.6. AC system (user selects the installation item)

The AC system includes AC diesel generator set, power distribution device, AC power socket in the vehicle (including one 220V/1kW socket), external AC power socket box at the vehicle end, AC power socket on the operation platform, etc. One Haier 2P cold and warm dual purpose hidden ceiling air conditioner can be optionally installed. After installation, this type of air conditioner does not occupy indoor space, with beautiful appearance, strong anti vibration ability and reliable quality. Install electric radiator in the vehicle. Other types of air conditioners can also be installed according to user requirements.

3.5. Braking system

The air braking system includes air compressor, oil-water separator, main air cylinder, JZ-7 air brake, brake cylinder, etc. It has the characteristics of non attenuation of braking force within a certain range, which is conducive to use in long and large ramp sections. The main rods of foundation brake are equipped with safety hangers to ensure the operation safety of vehicles. The hand brake mechanism is set for convenient and reliable use. The vehicle is equipped with a bypass braking system, and its control button is set on the control cabinet on the platform. In case of emergency, the button can be directly pressed for braking.

3.6. Crane and basket

The crane is hydraulically driven, with a maximum lifting weight of 10t and a maximum working range of 8.2m. It can be controlled by wireless remote control, wire control and manual control. The crane is equipped with 180 ° turnover outriggers, which can provide good stability during crane operation. At the same time, the crane has overload protection function, and can be equipped with LED work lights and other devices. The hanging basket adopts frame structure, which is stable and firm. At the same time, the maximum bearing capacity is about 200kg. It adopts gravity self leveling, and can be manually adjusted for 360 ° rotation. It can be equipped with LED work lights and other components.

3.7 Tight joint couplers are installed at the front and rear ends of the frame.

3.8. It adopts advanced polyurethane paint with good weather resistance, hard paint film and excellent acid and alkali resistance, solvent resistance and moisture resistance. The standard color scheme is dark-grey for chassis and yellow for car body. Color scheme can also be designed according to user requirements.