Railway Impact Gun
Railway Impact Gun
Usage: railroad bolt tightening and loosing
Application: railroad tie bolts, fishplate bolt, other track bolts.
Verification: CE, CRCC
Type: hydraulic, internal combustion engine, electric, battery
NLB-1900 portable railroad bolt machine
It has the characteristics of novel design, compact structure, small volume, lightweight, strong maneuverability, two-stage anti-vibration, portable by hand, and easy on and off track. This model is especially suitable for track bed maintenance operations where the large maintenance machine can't be adopted, such as railroad switches, tunnels, bridges, etc.
| Petrol engine: | Husqvarna 365X-Torp two-stroke petrol engine |
| Rated Revolution | 9500r / min |
| Rated power | 3.6kw |
| Spindle speed | 1100 r/min |
| Machine weight | 20kg |
| Overall size | 685×530×325mm |
| Net weight (kg) | 24 |
| Impact frequency(Hz) | 22 |
| Impact energy (J) | 40 |
| Clutch speed (r／min) | 2900±350 |
| Idling (r／min) | 2300±230 |
| Working speed (r／min) | 4350±250 |
| Fuel | A volume mixing ratio of gasoline and FC grade two-stroke engine oil (25～30):1 |
| Tank volume (L) | 2.4 |
| Impact system grease | 3# Lithium base grease with extreme pressure |
NLB-600 double-socket railroad bolt machine
This model transforms the impact torque into static torque, which is adjustable and has high precision, with no jamming. It makes the tightening and loosing of the rail bolt much easier and is ideal for batch work implements, featuring ease of operation, and walking along the track to greatly reduce labor intensity.
| Engine output power | 4.8kw/3600rpm |
| Output shaft speed and torque | 130rpm 20-450N.m (infinitely variable) 600N·m(instantaneous) |
| Overall dimension | (LxWxH): 1775×525×690mm |
| Weight | 88kg |
| Socket specification | for M22,M24,M27,M30 hex nut |
| The average noise emission | 85db |
NLB-500 portable railroad bolt machine
The machine is portable and flexible to use since it is lightweight and has good balance. It is ideal for various emergency repair works. The losing or tightening can happen either in a vertical direction for sleeper bolts or a horizontal direction for fishplate bolts.
| Engine | two–stroke petrol engine 1E50F |
| Rated rpm | ≥11000r / min |
| Rated power | 1.47kw |
| Spindle speed | 800r / min |
| Torque | ≥ 500N·m |
| Machine weight | 18kg |
| Overall size | 830 × 280 × 380mm |
NLB-300 II railroad bolt machine (petrol engine)
A walking device is added to the chassis of the machine so that it can walk both on the road and on the track. It is an ideal piece of equipment for replacing heavy manual labor due to the ease of moving, ease of operation, and no need for frequent lifting operations.
| The spindle speed | 780r / min |
| The maximum rotation torque | ≥ 300 N • m |
| The maximum tightening torque | ≥ 150 N • m |
| The working efficiency | ≤ 10 / min |
| Gasoline engine | GX160 |
| Rated power | 3.05Kw |
Key features of Liaoning Ustyle equipment Co.,Ltd. Railway Impact Gun
Efficient and labor-saving
Compared with traditional manual tools, power rail bolt wrenches (such as electric, internal combustion, hydraulic, etc.) can significantly improve work efficiency and reduce labor intensity.
Adjustable torque
Support multi-level or stepless torque adjustment to ensure the tightening force requirements under different working conditions and avoid over-tightening or loosening of bolts.
Strong adaptability
Applicable to various fastener systems and rail types, covering ordinary railways, high-speed railways, urban rail transit, mining tracks, and other scenarios.
Compact structure, easy to carry
The whole machine is designed to be light and flexible, easy to carry in the field, and suitable for mobile operations.
NLB-300 I railroad bolt machine (diesel engine)
This machine can either work on the road or track with the mounted walking device on the base. Being an optimal substitute for heavy manual work, it has the advantages of being easily moved, easily operated, and not being bothered by frequent lifting. Although the diesel engine weighs more than the petrol engine, it has the benefits of a lower failure rate, easy maintenance, and more durability.
| The spindle speed | 780r / min |
| The maximum rotation torque | ≥ 300 N • m |
| The maximum tightening torque | ≥ 150 N • m |
| The working efficiency | ≤ 10 / min |
| Gasoline engine | GX160 |
| Rated power | 3.05Kw |
| Rated speed | 3600r / min |
| Weight | 60kg |
| Dimension | 1300 × 510 × 760mm |
LLB-2000 battery railroad bolt machine
This railroad bolt machine is powered by imported batteries and components. The machine is made of an aluminum alloy shell, which makes it durable. It is driven by impact torque mode and has a small volume, is lightweight, has strong flexibility, and quickly gets on and off track. It is especially suitable for inconvenient sites where large maintenance machines can't do so, such as railroad switches, tunnels, and bridges.
| Rated voltage | D.C. 36V-40V |
| Max. fastening force | 1630N·m |
| Max. loosening force | 2000 N·m |
| Max. spindle RPM | 1800r/min |
| Drive lever | 19mm(3/4″) |
| Weight | 8.7kg |
| Dimension | 870×310×90mm |
Hydraulic railroad bolt machine
YLB-750S hydraulic railroad bolt machine
Designed by adopting digital control and implementing proprietary digital display technology, it is convenient and intuitive to adjust, overcoming the defect of poor accuracy of the existing pointer-type display meters.
Torque setting and display are accurate to 1 N·m. Automatic unloading and alarm when the set value is reached. The torque output is uniform, and the torque accuracy is high, making it particularly suitable for the construction and maintenance of high-speed railways, passenger dedicated lines, and railway lines with high torque requirements.
Static torque fully hydraulic design, no impact.
The forward peak torque can reach 400 N·m, covering the torque requirements in the current railway construction. The reverse torque is greater than 750 N·m, which is sufficient to loosen the rusted bolts.
Low-torque high-speed tightening, when the torque increases, it automatically switches to high-torque low-speed transmission.
Double socket design, high working efficiency. Labor intensity is reduced since there is no need to constantly lift the wrench left and right.
It adopts international brand power and reliable hydraulic components from well-known manufacturers, featuring low fuel consumption, less maintenance, and easy upkeep.
The socket is equipped with a self-unlocking device, ensuring road safety in emergencies.
The universal socket designed for this machine can achieve automatic alignment within a fixed error of 15mm.
| Engine | Briggs & Stratton XR950/Honda GX200 |
| Power | 4.8 kW |
| Axis rotation | ≥ 120 rpm |
| Sockets | 2 |
| Socket center distance | 234 ± 0.5 mm/214 ± 0.5 mm |
| Tightening torque | 80-350 N·m |
| Max. loosening torque | 700 N·m |
| Weight | 90kg |
| Dimensions | 1260*5400*915(mm) |
One-stop railroad bolt machine solution
The rail impact wrenches are widely applicable to various fastener systems on railway lines, including but not limited to: rail joint bolts (fish bolts), bolts on sleepers, such as spring clip anchor bolts, anchor bolts, spike bolts, rail support bolts, and other fasteners for track infrastructure. Whether it is a railway maintenance unit, a construction team, or a track equipment supplier, this equipment is an ideal choice to improve work efficiency and ensure connection quality. According to the working environment and customer needs, the following power forms and configuration combinations can be provided:
Get Customized Solutions
Internal combustion bolt wrench
Equipped with a small gasoline or diesel engine, suitable for use in an environment without electricity, with strong power, and adaptable to complex outdoor environments.
Electric bolt wrench
Simple structure, easy maintenance, suitable for work sites with a power supply, such as urban rails and tunnels.
Hydraulic bolt wrench
Accurate and stable torque output, suitable for occasions with strict control requirements on the tightening force.
Support special customization and strong compatibility
Support compatible use with existing road maintenance equipment systems to improve the customer equipment utilization rate.
Stud bolt wrench
Can work in two positions at the same time, greatly improving work efficiency, suitable for large-scale bolt installation tasks.
High torque output, suitable for high-strength fastener systems
The maximum torque output of the equipment can reach more than 1900Nm, which can easily cope with high preload conditions such as the type III spring clip system, avoiding the hidden danger of bolt slipping or loosening due to insufficient torque.
Accurate torque control to ensure fastening quality
Multi-level/stepless torque adjustment function, some models are equipped with a digital display or torque preset system to achieve "stop when tightened", ensuring that each bolt is tightened consistently and in compliance with specifications.
Multiple power options to meet different working environments
Provide a variety of power forms such as internal combustion, electric, hydraulic, etc., to meet various complex working conditions such as cities, fields, tunnels, plateaus, etc., and truly achieve full scene coverage.
Dual-station design, efficient construction tool
An optional dual-head synchronous operation structure, one-time start, two bolts are tightened at the same time, and the operating efficiency is doubled, which is suitable for large-scale line construction and maintenance projects.
Lightweight structure, easy for one-person operation
The weight of the main machine is as low as 18kg, and is controlled within the range suitable for one-person operation, with a portable handle or back design, especially suitable for mountainous areas and manual handling environments.
Modular design, simple maintenance
Modular design of motor, reducer, and sleeve, quick replacement of parts, low maintenance cost, and faster after-sales response.
Adapt to a variety of bolt specifications, strong versatility
Supports a variety of bolt specifications such as M20-M27, with quick-change working sleeves, and adapts to most fastener systems on the market, without frequent equipment replacement.
Verified by railway industry standards, reliable quality
Many products have passed relevant railway industry tests (such as TB, CRCC, etc.), and can be directly used in national railways, high-speed railways, urban rail, and other line projects.
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