Cargo Straps with the property of high tension, low elongation, small volume, light weight,
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 pc
- Supply Capability:
- 10000 pc/month
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Characteristics of ratchet tie down: with the property of high tension, low elongation, small volume, light weight, easy to operate, safe and convenient to bring, etc, ratchet tie down is widely used in lashing, tying and even self rescue of trailer during transportation.
Production capacity: Breaking load from 0.25t till 10t, width from 25mm till 100mm are available. We are able to supply different kinds of protecting measures according to different using requirement.
Scientific Achievements: In the year of 2009, edited GB/T23914.2-2009 Road Vehicle Loading Fixtures Security, Section 2, Synthetic Fibre Ratchet Tie Down Assembly.
- Q:What is the name of the wire above the train?
- The contact wire is mostly made of steel aluminum core, that is, the outside is made of steel, and the main part is the friction part of the pantograph. To ensure the conductivity and wear resistance, the aluminum core is mainly to ensure the conductivity. Copper and aluminum composite wires have also been used as contact wires.
- Q:The wire rope lock can hang a lot of things
- Phosphating coating of steel wire rope (Chinese patent), steel wire by manganese or zinc manganese phosphating, surface wear resistance and corrosion resistance of fully, not easy to wear is not easy to corrosion fatigue life of the steel wire rope large increase, fatigue life is the same structure of plain steel wire rope 3 times, the fatigue life can be verified by fatigue test (do the fatigue test of the most credibility) is a replacement of wire rope, smooth upgrade, also be replaced after plating the first pull layer of thin zinc galvanized steel wire rope (by using salt spray test or inspection service life, corrosion resistance comparison) super long units, the use of lower cost, better stability.
- Q:What are the specifications for the rigging?
- Crane users need high quality steel wire rope, it should be long life and high quality stable and reliable wire rope. Fretting fatigue is the main cause of wire rope failure in atmospheric environment
- Q:Notice of tower crane?
- Tower cranes shall not operate near overhead transmission lines. If they are limited to field conditions, they must take safety measures when operating alongside the line. The safe distance between tower crane and overhead transmission line shall comply with the regulation.
- Q:What are the dangerous sections of the crane hook?
- The sling tension A-A section on the one hand, the hook has straightened trend; also by the effect of bending moment on the other hand. Because the moment in this section, the bending stress is maximum, this section is a dangerous section.
- Q:What's the catch?
- The type of slings 1. slings are mainly metal slings and synthetic fiber slings in two main categories. 2. metal slings are mainly wire ropes, slings, chains, slings and so on. 3. synthetic fiber slings are mainly made of nylon, polypropylene, polyester, high-strength and high modulus polyethylene fiber for rope and belt slings.
- Q:What are the installation steps for crane beams?
- Crane operation is relatively dangerous, the installation of crane beam should be standardized to ensure the safety of crane operation. How many points should I pay attention to when installing the crane?:(1) the actual elevation of the corbel should be measured before the installation of the steel crane beam, so that the construction error of the elevation can be adjusted when the crane beam is installed, so as to prevent the error accumulation.The installation sequence of crane beam is as follows: installing crane beam, installing auxiliary truss and installing brake beam.(2) crane shall be used by slings, lashing or reliable clamps. The binding point shall be determined according to the weight and length of the crane beam. Generally, the angle of the sling shall be greater than 45 degrees at the ends of the center of gravity of the crane beam.(3) should be placed after the crane beam, the connecting plate is connected with the fixed edge plate and column crane girder structure, to prevent the crane hook loose after crane girder longitudinal and lateral movement of dumping.(4) crane beam correction should be performed in all bolts after installation, to prevent the installation of bolts when the crane beam shift change; prohibited welding in the crane girder under the flange and web on suspension and fixture.(5) adjust the elevation of the crane beam, correct the center line and span after titanium.
- Q:What are the precautions for rigging in hoisting works?
- The sling shall not be allowed to repair or reprocess itself (welding, heating, heat treatment, surface chemical treatment). If such treatment must be carried out, it shall be sent back to the original manufacturer or under the guidance of the experts of the original factory.
- Q:Is rope sling good business and high profit?
- 1. phosphating coating steel wire rope, steel wire by manganese or zinc manganese phosphating, corrosion resistance and wear resistance steel rust resistance comprehensive jump, life is the same structure of plain steel wire rope 3 times (note the use of zinc phosphating and drawing rope with distinction, although Tianjin bonderizing Jiangsu have been a number of production enterprises, there is still a shortage of supply and demand)2. galvanized steel wire, hot-dip galvanized and galvanized3. stainless steel wire rope, 304 or 316 stainless steel4. coated steel wire rope, wire rope on the basis of the outer coating of polyethylene or polypropylene5. smooth steel wire rope, will be phosphating coating steel wire rope completely eliminated.
- Q:How much is the crane arm of the tower from the residential building recently?
- No aluminum conductor or steel shall be used as grounding or ground wire for the installation of tower cranes. A bolted wire must have an end. Grounding is mainly made up of the following three ways:1. the grounding body adopts a regular grounding pile, or a 33*4.5 long 1.5m steel tube, or a 70*70 long 1.5m angle steel.2. the floor is made of steel plates or other metal plates with an area of 1 square meters. The ground is deep from the ground 1.5m.3. a copper conductor with a cross-section of not less than 28 mm or a steel conductor with a cross section of not less than 50 mm is buried in the slot and its embedment length is determined by the grounding resistance.In the above three ways, the grounding body leads the copper conductor, the sectional area shall be no less than 25, if the soil is not conductive, the sodium chloride (salt) can be embedded in the soil. Then irrigation. For walking crane, each rail must be grounded, and the two tracks are connected by wires. Electrical connections should also be made between the two rails, with a resistance of no more than 4.
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Cargo Straps with the property of high tension, low elongation, small volume, light weight,
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 pc
- Supply Capability:
- 10000 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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