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Dock Locks & Vehicle Restraints Manufacturer | Truck Restraints Prevent |Trailer Creep | Lesho China

The Vehicle Restraint System is designed to secure trucks and semi-trailers to the loading dock face.
 
 It effectively prevents "trailer creep" and "unscheduled departures," 
 
significantly reducing the risk of forklift accidents and ensuring the safety of personnel and equipment.
 
 
THM-600 Vertical Lifting Straight Hook Truck Limiter Equipment Characteristics:
 
Functional Features: Independently developed  and  designed control unit,simple  operation.  
 
 
High-brightness LED traffic signal light design,100mm diameter lamp tube, red and green combination waterproof operation indicat or light
 
 design,  waterproof rating IP56.  Uses universal red and green light signals.
 
The equipment uses a PLC (Programmable Logic Controller) With low-potential output for system control.
 
The sensor (two-wirelow-potential) and traffic light signal system use DC24V safety voltage,  effectively  enhancing  the  accuracy,  reliability,and  safe  operation  of the equipment. An audible  warning is provided during hook movement.
 
a. Electrical wiring is AC380V (L1, L2, L3, PE), simple and convenient installation. Grounding avoids static electricity and interference.
 
 b.The overall design is reasonable and aesthetically pleasing, with a simple and reliable structure. Movable parts require minimal maintenance, only routine lubrication of the axles is needed.
 
C. By fixing the rear anti-collision bar of the truck, the movement range is limited from 300mm to 610mmabove the ground, suitable for various truck types
 
d. Effectively prevents premature departure of the truck, displacement of the cargo platform, and movement of the truck under stress. This movement limiting device can withstand a pulling force of approximately 15 tons
 
 
e. The hook body can maintain continuous following and fixation of the truck even when the height of the truck bed changes
 
f. The steel base and the entire machine body are galvanized inside and out, suitable for various climatic environments (outdoor installation). It can operate reliably even in harsh environments and is easy to maintain.
 
g. It has an audible warning and warning cancellation device. 
 
h. An internal control box and an external signal system (internal and external traffic light indicators) are installed. 
 
i. Audible warning and warning cancellation device.
 
 j. Internal control box and external signal system (internal and external traffic light indicators)
 
 
 
Availability:
Quantity:
Dock Locks
Vehicle Restraints
Truck Restraints


Dock Locks


DOCK-LOCK VEHICLE RESTRAINTS


DOCK-LOCK VEHICLE RESTRAINTS, also referred to as truck restraints, trailer restraints or dock locks, are known world-wide for:


Exclusive dock lock safety features, which address more types of trailer/dock separation than any other restraints.



Exclusive light communication system that provides FULL-TIME communication of the status to the forklift driver at the loading dock and while inside the trailer.
Superior quality resulting from unique design characteristics, the highest construction standards and years of research and development.
Proven long-term reliability confirmed by an extensive list of satisfied repeat customers.
Vehicle restraints are designed to provide the highest level of safety based on your application. are the only truck restraints in the industry that provide full-time communication of the lock's engagement status to the forklift driver.


What if the truck has no rear impact guard?


Our system has an audio/visual alarm to warn the operator to use wheel chocks manually.



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Know Your Risks

  1. Early departure: a truck driver mistakenly drives away while a lift truck is entering, leaving, or inside the trailer.

  2. Trailer creep: a trailer can move substantially under the weight of a forklift entering and exiting a trailer.

  3. Landing gear collapse: weak or damaged landing gear gives way and the trailer pitches forward or falls to the side.

  4. Trailer pop-up: the weight of a forklift sends the rear of the trailer forward and down, causing the nose to rise.

  5. Trailer upending: the weight of a lift truck sends the trailer's nose down, causing the rear end to move up and away from the building.



Once the lorry backs to the position of loading / unloading, its tail end will touch and press down the entire steel frame with a built-in spring to allow it to back-up completely against the steel frame. Then the operator presses the control button to hoist up the hook and hook the cross-bar of the lorry tail; 

The hook could bear a force as high as 14,500Kg. The locking device will also automatically adjust the fixing condition with the cross-bar of the lorry bar to ensure safety per the floating height of the lorry tail during loading and unloading. After the loading or unloading is finished, the operator will press the button again to release the hook. If the lorry deviates from or the cross-bar of the lorry tail isn't at the effective locking position, the locking device will be under wrong working conditions. Then, the alarming device will sound an alarm and warn the operator that the lorry isn't locked normally.

Safe and reliable
The spring access device ensures that the hook is touch closed with the crash bar of the lorry;
The hydraulic hook is 12mm thick and strong to provide a force as high as 14,500Kg;
The locking device can be adjusted automatically according to the height level of the lorry crash bar without any external force; The hook could hook up the tail bar and the dock lock could be installed under the platform; the spring can move in a vertical direction with the lorry to ensure that the loading process is safe and smooth;
Clear traffic light system gives the lorry driver guidance.

Wide applications
The locking hook can have a 300mm adjustable height, fitting every lorry height.

Less maintenance
The outside oil pipe makes it easy to add oil;
Hydraulic oil tank of transparent plastic material to display the oil level clearly;
Reliable design and parts to ensure the lowest maintenance frequency.

Flexible



PLC control circuit allows selecting additional safe devices (such as photo cell, pressure valve);
I/O communication ports are available to connect the external inter-lock photo cells (such as dock leveler, sectional door etc) and pressure switches.

Effectively avoids the risks from possible unexpected departures, slippage or overturning of the lorry;

Safe and reliable to provide a force as high as 14500kg;

The locking hook can have a 254mm adjustable height, fitting every lorry height;

Clear traffic light system gives the lorry driver guidance.



Export Packing stadard.

LCL: Wooden box package :

1.Multi-layer plastic bubble film pack all the parts carefully.
2.Carton box to make all the little parts safe and clearly.
3.Put all the packaged parts into the Export wooden box, and seal the wooden box.


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FCL : Full container order :

4.Loading all the goods into the container and fix the postion ,to make sure it will not move during the ship on the sea .


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