Jinzhou Tiegong Railway Maintenance Machinery Co., Ltd.

23/04/2026

The NXG-4Ⅱ type internal combustion rail rust removal machine is a specialized piece of equipment suitable for rust removal and grinding of various types of rail surfaces, addressing issues such as poor track alignment. It is an essential tool for railway maintenance departments during major track repairs, maintenance, and emergency repairs. This machine features a reasonable design, compact structure, simple operation, flexible track access, easy mobility, safe use, and a wide range of applications.

23/04/2026

Electric rail web rust removal machine can remove rust from the rail web and upper and lower radius arcs of steel rails. The product is a small, mobile tool that is easy to carry, modular, detachable, easy to load and unload, quick to change direction, lightweight, durable, easy to operate, and highly efficient. It can meet the requirements for rail rust removal before flash welding and greatly improves work efficiency.
Now we have developed new model with cover for safety operation.

18/03/2026

The anchor replacing device is used for removing and replacing the broken nylon sleeves in the track bed. It is the first new equipment developed and launched in China. It adopts the “cold taking out” method, cutting nylon sleeve into grooves by means of cutter principle, unscrewing with a special wrench, and then taking out the broken nylon sleeve. The anchor replacing device has the advantages of advanced technical performance, reasonable structure and simple operation etc. It can greatly reduce the labor intensity, simplify unnecessary intermediate links, and improve the efficiency of operation. It plays an important role in improving the quality of track line and ensuring the safety of the train.
The product has been patented, the patent No. is ZL 2011 2 0419453.X, and copying is not permitted.

11/03/2026

Drill Bits

🔧 Types of Drill Bits
- Concrete Drill Bit
- Silver color, flat chisel-like tip
- Designed for hard surfaces like concrete and stone
- Works with hammer drills for impact drilling

- Brick Drill Bit
- Dark-colored, pointed tip
- Suitable for softer masonry like bricks
- Provides clean holes without excessive cracking

- Wood Drill Bit
- Sharp pointed tip with spiral flutes
- Ensures smooth, fast cutting in timber
- Prevents splintering and gives precise holes

- Metal Drill Bit
- Gold-colored, smooth pointed tip with spiral flutes
- Made of high-speed steel or coated for durability
- Cuts through steel, aluminum, and other metals

- Multi-Purpose Drill Bit
- Blue and silver with unique tip design
- Versatile: works on wood, plastic, light masonry, and metal
- Ideal for general use when material type varies

🔩 Types of Drill Bits Used in Construction
Different materials require different drill bits to achieve accurate and clean holes. Using the correct drill bit improves efficiency, protects the tool, and gives better results in construction and DIY work.

🧱 Concrete Bit – Designed with a strong carbide tip to drill through hard concrete and masonry.

🧱 Brick Bit – Ideal for drilling holes in bricks and masonry blocks.

🪵 Wood Bit – Sharp tip and edges help drill clean and precise holes in wood.

🔩 Metal Bit – Made of high-speed steel for drilling through metal surfaces.

🛠 Multi-Purpose Bit – Versatile drill bit suitable for different materials like wood, plastic, and light metal.

Choosing the right drill bit ensures better accuracy, longer tool life, and safer work on site.

Follow CIVIL Tech Time

06/03/2026

Rack jack is used to lift rail row, bridge or other heavy objects during railway construction; It is also suitable for industrial and mining enterprises, transportation, port terminals and other enterprises to transport, install, adjust equipment and lift and carry various heavy objects as lifting tools.
The machine has the advantages of simple structure, reliable lifting, simple operation and convenient maintenance. Large lifting range, fast lifting speed and high working efficiency.
1.Rated lifting force：
SCQ-150 147kN
SCQ-200 200kN
2.Rated hook lift force： 78kN
3.Lifting stroke： ≥270mm
4.Lifting efficiency: 16mm/time
5. Initial height： 50mm
6.The length of the lever (user-owned)； 1.5m
7.Full-load max lifting force： 1920N
8.Oversize： 420×165×522mm
9.Weight： ≤25kg

06/03/2026

Hydraulic Rail Stressor Model: YLS-900 is suitable for 50kg / m, 60kg / M and 75kg / M CWR stress release and long rail laying. During on-site construction, within a certain range lower than the locked rail temperature, the rail in zero stress state is forced to stretch to the length of the locked rail temperature for re locking.
Compared with the similar products, the equipment has the characteristics of unique conception, light body, easy operation, large pulling force and no harm to the working face of rail head.

06/03/2026

YTF-400II Hydraulic rail gap adjuster is suitable for track adjustment works of various rails. The main function of machine is enlarging and narrowing rail gap. It also has the advantages of simple operation, high working efficiency, anti-blocking function and safety in use etc.
2. Technical Parameters
1. Max tension: 400kN
2. Max working stroke: 140mm
3. Rated pressure: 52MPa
4. No-load efficiency: ≥ 2.0mm /time
5. Handle operating torque: ≤450N·m
6. Machine weight(including hydraulic oil): ≤133kg

06/03/2026

Rail Gantry Crane is suitable for replacing old Rails, switch rails, and frog rails to new ones. There are running wheels in the center of both sides, which can be carried out during transportation. It has the characteristics of adjustable height, lateral adjustment, locking, light weight, convenient handling and wide application range.
The Rail Gantry Crane can be equipped with section rail transport trolley, rail transport, switch rail and frog point rail operation trolley. The wheels are nylon wheels with good insulation performance and equipped with brake device. It is safe and reliable with light weight and high operation efficiency. It is an ideal special tool for rail transport in construction operation of Railway Public Works Department.
Main Technical Parameters
1. Rated load: 1T (one group)
2. Load-bearing: 500kg
3. Stroke length: 1M
4. Overall dimension (L×W×H): 2410*700*1540mm
5. Weight (one set): 97 kg
6. Single unit weight: ≤23 kg
7. Trolley weight: 28 kg