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Reasons for the failure of the three bridge brakes: The current three-axle semi-trailers are all high and low front, the front axle tires are lightly loaded, and the rear axle tires are heavy. When the vehicle is under no-load braking, the brake relay valve or the three-bridge synchronous valve is a single cavity. The brake pressures of several brake holes are the same. The front and rear axles are braked with the same brake air pressure. The light brakes will be violently killed, and the rear axle load will not be killed by the heavy brakes, causing the front axle to drag the tires and the third axle brakes not being synchronized, which becomes a big problem in the brakes.

The new product can solve this big problem. The valve has two brake air chambers (upper air chamber and lower air chamber), the brake air pressure of the upper air chamber is large, and the brake air pressure of the lower air chamber is small. During installation, the rear axle load is heavy, the brake air circuit is connected to the air chamber, the front axle load is light, and the brake air passage is connected to the air chamber. When the brake is braked, the upper air chamber brakes the air pressure, the lower air chamber brake air pressure is small, the rear axle is slightly braked earlier than the front axle, so that the front axle brakes are no longer violent, so that the three bridge brakes are synchronized. China Hardware Business NetworkChina Hardware Business NetworkChina Hardware Business NetworkChina Hardware Business NetworkChina Hardware Business NetworkChina Hardware Business Network

The company's fully automatic stepless variable pressure emergency relay valve products have won 14 national utility model patents and 2 invention patents, and have been tested by the National Motor Vehicle Quality Testing Center (Chongqing).

This product can reduce the vehicle's no-load braking distance by more than 30%, the heavy-duty braking distance by more than 10%, and the tire usage mileage by 40%-90%, which greatly saves the transportation cost of the car.

The company has always adhered to science and technology as the guide, intensified technological transformation, further improved the production process, continuously improved the technological content of products, and improved product quality and market competitiveness.

The product was well received by WABCO (Jiangsu Heavy Duty Truck Brake System Engineer Jiang Tiejun), and Jiang Tiejun engineer made a special trip to Liangshan to visit and exchange.

The product has also won the trust of many technical authorities, industry insiders and users, and has formed a certain brand influence in the auto parts market.

Sanqiao Synchronous Valve Sales Company is mainly engaged in the operation of Sanqiao Synchronous Valve Sales Company: semi-trailer three-bridge synchronous valve, first-generation mechanical ABS three-bridge synchronous emergency relay valve, second-generation mechanical ABS three-bridge synchronous emergency relay valve, three generations Mechanical ABS three-bridge synchronous emergency relay valve, four generations of mechanical ABS synchronous valve. Light car light brake, heavy car heavy brake. Light-duty soft brakes, heavy-duty brakes and other features.

Shandong Kangjian Auto Parts Co., Ltd. is a high-tech enterprise integrating research, development, production and sales of automobile brake systems. Sales: three bridge synchronous valve, brake valve, brake king brake valve, soft brake king relay valve, double piston brake valve, trailer brake valve, emergency relay valve, automobile brake valve machinery ABS three bridge synchronous relay valve, three Bridge Synchronous Valve Semi-trailer brake system parts, ABS anti-lock brake system, brake pads, brake air pipe, U-shaped wire clips and other auto parts.

Semi-trailer three-bridge synchronous valve, mainly facing the more and more on the market, the brake components developed for the three-axle semi-trailer for long-distance transportation, the braking performance, synchronization and safety of the three-bridge semi-trailer There is a qualitative improvement, which can be said to lead a revolution in the Chinese semi-trailer brake system.

At present, the common problem of the semi-trailer brake system is that the trailer is light in weight, easy to tow, unreasonable in deceleration, and the tire wear is serious, resulting in prolonged braking distance. The heavy-duty trailer is heavy in weight and the deceleration is not ideal. The braking distance is increased so that safety cannot be effectively guaranteed. In order to improve the above situation and ensure safe driving, our company develops and designs. Manufacture of automatic automatic stepless variable pressure emergency relay valve for semi-trailer (anti-locking trailer king). The product meets the requirements of international standards. The multi-bridge braking sequence starts from the last bridge, and each bridge is extended by 0.04 seconds to realize reasonable synchronous braking of multiple bridges, thereby greatly improving the braking deceleration and increasing the service limit of the tire. The product meets international standards in terms of appearance, structure and theoretical data. Proof of customer feedback over the years (anti-lock trailer king). The no-load, standard load and heavy load have achieved the effect of synchronous emergency braking, which makes up for the traditional ordinary relay valve, which is easy to drag due to no load, and the ABS heavy-duty braking force is insufficient and the service life is short. Effectively solve the phenomenon of serious tire wear and solve the problem that the trailer must be switched and regulated. This product is frost-resistant in the cold winter in the north. The anti-locking trailer king can increase the mileage of tires by more than 45%, and the mileage of special vehicles and tank trucks can reach more than 100%. This valve can save RMB 10,000-20,000 yuan compared with other products to improve the owner's operating interests. .
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