The small end shaft sleeve and bushing in a Zoomlion concrete pump truck serve specific functions and play a crucial role in the pumping process. Here is a description of their functionality:

Shaft Protection: The primary function of the small end shaft sleeve and bushing is to protect the small end shaft from wear and damage. They act as protective coverings that surround and encase the shaft, shielding it from direct contact with the concrete and other moving components. This protection helps extend the lifespan of the shaft and ensures its smooth and efficient operation.

Changsha Tongchuang Mechanical Co., Ltd. is located in Changsha, Hunan, the capital of China's construction machinery. It is a service-oriented company integrating production, whole machine maintenance and remanufacturing, second-hand equipment, spare parts sales, new material application and export service. It is a member unit of China Construction Machinery Industry Association. Adhering to the business philosophy of "quality for survival, service first", the company has more than 20 years of professional service personnel to provide perfect solutions for customers at home and abroad. In order to achieve efficient and convenient service, the company adopts online and offline operation mode, online communication and offline service. Building the whole life cycle service industry chain of construction machinery, effectively solve the idle equipment of customers, and reduce the use cost of equipment. Checking second-hand equipment service , remanufacturing service and equipment export service have been well received by domestic and foreign users. From the initial parts supplier company to the comprehensive concrete machinery service provider, it is inseparable from the support and help of customers, friends and partners in the industry. At present, the company has Changsha production base, Changsha maintenance and remanufacturing base, Changsha parts storage center and Beijing Doudian parts storage center. We insist on "providing value for customers with products, creating value for customers with services, and sharing value with customers with solutions". We are willing to hand in hand with you to build a dream and create a better future!Company Profile product atlas.pdf