来源： 最后更新时间：2025-02-12 09:12:09 人气：109504

The split type sleeve steel bar joint is a new type of joint derived from the rib stripping and rolling straight thread connection technology. The split type connection sleeve aims to solve the problem that the traditional steel bar thread connection method cannot meet the rapid docking of multiple steel bars at the same time, and also solve the technical problem that the traditional steel bar thread connection method cannot meet the requirements of fixed relative position and non rotation between the connected steel bars.

The split type sleeve steel bar joint is used to connect two steel bars that are joined together. It is characterized by two axisymmetric semi cylindrical sleeves that are fastened and connected at the steel bar joint. The internal thread on the inner wall of the semi cylindrical sleeve matches the external thread on the end of the connected steel bar. The middle section of the inner wall of the semi cylindrical sleeve is of equal diameter, and the left and right ends are symmetrical outer conical surfaces, with the radius gradually decreasing from the middle section to the two ends; There are two locking sleeves with inner conical surfaces on the outer conical surfaces at both ends of the semi cylindrical sleeve, and the inner conical surfaces of the two locking sleeves correspond to the outer conical surface of the semi cylindrical sleeve.

Advantages of the split steel sleeve connection method:

Good mechanical performance and safe and reliable connection: Due to the rolling forming of the steel bar end and the cold working treatment of the steel bar material, the strength of both the thread and the steel bar has been improved, which compensates for the influence of the thread bottom diameter being smaller than the diameter of the steel bar base material on the strength weakening, making the joint strength of the connection higher than the strength of the base material, and enabling the base material to fully exert its strength and ductility.

Convenient connection: It can be flexibly operated in areas with dense steel reinforcement arrangement in narrow spaces. Convenient and efficient construction: The steel bar connection sleeve is prefabricated in the factory, with quality assurance. The on-site rolling wire head equipment can process nearly 400 joints per shift, which has unparalleled advantages in large-scale projects and basement floor construction. It does not pollute during construction, has no open flame operation, is safe and environmentally friendly, and can be constructed 24/7.

Easy to detect: No specific testing equipment is required during construction, only the exposed wire teeth of the steel bars can be used to determine the quality of the joints.

Strong applicability: Suitable for steel bar connections in seismic and non seismic reinforced concrete structure engineering, and applicable to bent steel bars, fixed steel bars, steel cages, ultra long steel bars, and non rotating situations.

Technical standards: JGJ107-2016

Working principle: Cone sleeve locking type sleeve is a new type of stripped rib rolling straight thread joint. Its process principle is to tightly fasten the thread heads of two steel bars to be connected with two semi-circular thread sleeves, and the thread of the thread head is tightly engaged with the thread of the semi-circular sleeve. Then, the two semi-circular sleeves and the steel bar thread head are locked together through the cone sleeve to achieve the purpose of connection.

Easy to operate: Due to the taper of the cone sleeve and sleeve being smaller than the self angle, the cone sleeve will not fall off on its own after being locked; The joint quality is stable and the performance is reliable. When connecting steel bars, there is no need to rotate the steel bars. This technology can connect non rotating steel bars that have already been formed or pre embedded in prefabricated components.

Process characteristics of split type sleeve:

1. The docking construction speed is fast, which can effectively save the construction time of pile foundation and shorten the construction period.

2. High connection strength and reliable joint quality. The joint strength meets the performance requirements of Grade I joints in the industry standard "General Technical Specification for Mechanical Connections of Steel Reinforcement" JGJ107;

3. The wire processing and on-site connection operation are simple, safe and reliable;

4. The sleeve is tightly combined with the steel wire head, with stable and reliable performance;

5. After connection, the two steel bars are on the same axis and have good alignment;

6. The wire head processing equipment and sleeve crimping machine have low power consumption, no need for dedicated power distribution, no open flame operation, and can be used for all-weather construction, which is environmentally friendly and energy-saving.

The specifications include standard grid styles such as 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 32mm, 36mm, and 40mm. We also produce oversized styles such as 50mm, 55mm, and 60mm according to customer needs.

If the customer does not provide a definite type and specification of the sleeve, the customer should correctly explain their type, specification, and requirements, and sign the contract under the condition of mutual understanding between the supply and demand parties。

　1、The customer communicated the product type, specifications, and dimensions to our salesperson。

　2、Received customer specifications and dimensions, provided sleeve quotation (price list) for the customer。

　3、Specific agreement: delivery time, special requirements, and other matters。

　4、After placing the order and making payment, our company will arrange shipment as soon as possible。

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