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19 years of focus on hydraulic nut research and development and intelligent manufacturing
Originated from European and American technology · Exported to more than 20 countries

SL-JH Spiral Tensioner/Ship Plates Closer

Acts as a tightener when welding steel plates on ships, keeping the plates in place for a better weld. Spiral tensioners are also known as nippers, spiral tensioners and tension pumps.The Spiral Tensioner is used to tighten steel plates when welding on specialised boats, keeping the plates in place and making the welding result more satisfactory. Spiral tensioner is also a heavy duty marine rotary tensioner, which is suitable for all kinds of marine engineering and ship lifting and pulling operations, with large pulling force and pressure resistance, it is a great tool for sea rescue and tugboat operations. SL-JH screw tensioner series includes mechanical rotary tensioner.Mechanical rotary tensioner is a classic marine tensioner accessory. The series of screw closers have strong pulling force and stable working performance, which meets the needs of various offshore tugboat and rescue operations.

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Application of spiral tensioner in large ship steel plate welding

Spiral tensioners, also known as spiral closers or spiral tensioners, are mainly used to act as a tightener when welding steel plates on board ships to ensure that the plates are in place and to make the welding result more satisfactory. This equipment tightens the steel plate through a spiral mechanism, helping to keep the steel plate in the correct position during the welding process, thus improving the quality and efficiency of the weld.

Usage and Effectiveness of Spiral Tensioner

SL-JH Spiral Tensioner Series Marine Spiral Closer: It is suitable for marine steel plate welding. When using the spiral tensioner, you need to install it on both ends of the steel plate that needs to be tightened, and tighten the steel plate through the rotating mechanism. The operation is simple and effective, which can ensure the stability and accuracy of the steel plate in the welding process, thus improving the welding quality and safety.
In short, the spiral tensioner in the large ship steel welding plays a vital role, can effectively improve the welding effect and safety.

 

 

 

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Use of maintenance precautions

In order to make the spiral tension machine normal use, play its greater effectiveness and extend the service life, must pay attention to the reasonable use of maintenance and recuperation.
1、before use, should first estimate the weight of the weight, to play its greater effectiveness and extend the service life, must be questioned reasonable use and maintenance and repair.
2、several sets of tension machine and use, should keep the pulling speed synchronous.
3、when using, first turn the ratchet group, make lifting sleeve rise, but should not exceed its working stroke.
4、the chain ring on the tension machine and unloading buckle and lifting weight on the hook should be placed firmly.
5、Trigger the direction of the brace teeth on the ratchet wheel group, and then insert the handle back and forth trigger, that is, start lifting.
6、the length of the handle should not be lengthened or extended, in order to prevent the tension machine overload.
7、the work is completed, can be pushed to support the teeth of the sleeve rising direction, and then inserted into the handle back and forth wrenching, to be loose and then remove the tension machine.
8、should keep the ratchet group clean, and often add grease, in order to let the ratchet group action is flexible and reliable.
9、lifting sleeve and the shell of the mating surfaces should be frequently refuelled, oil injection holes should also be frequently filled with lubricant.
10、Bearings, bevel gears and screws should be kept lubricated, depending on the frequency of use of regular dismantling of the base, will be washed and then coated with lubricating grease.
11、If you find the ratchet wheel group is not flexible, you can dismantle the ratchet wheel to check; if you find the lifting sleeve stuck, or turn the ratchet wheel when the lifting sleeve does not move, you should dismantle the base to check. In general, the faulty tension machine can be sent to the maintenance department for overhaul. For wear or deformation of serious parts, should be replaced in a timely manner.

 

 

 

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Please contact SOLY sales engineers if you have any questions about the selection process of bolt tensioners and pumps.
With their superior load capacity, advanced fractional thread design, and enhanced safety features, these hydraulic nuts provide a secure and efficient solution for securing machinery and equipment. Their versatility, compatibility with a range of systems, and long-lasting durability make them a valuable addition to any industrial setup.With the right selection, these hydraulic nuts will deliver excellent performance, reduce maintenance costs, and ensure the safe and efficient operation of your hydraulic systems. Contact SOLY today to learn more and make your purchase.

Parameters

Model Rated Load Stroke Size Weight
t mm mm kg
SL-JH20 22 150 900*250*180 27
SL-JH32 32 180 900*250*180 39

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