Shield tail brush

Abstract

1. The name of this design product: Shield tail brush. 2. Purpose of this design product: This design product is installed at the tail of the shield machine of tunnel excavation equipment or in the receiving sleeve of the shield machine, and is used to prevent mud and water from seeping into the tail of the shield or the sleeve, and grease can be injected into the shield tail. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 3D drawing. 5. The rear view, top view, left view and right view of Design 2 are the same as those of Design 1, and the rear view, top view, left view and right view of Design 2 are omitted. 6. Designate Design 1 as the base design. 7. Description of other situations that require explanation: Design 1 has one end connected to the tail of the shield machine or the inner wall of the sleeve, and the other end is connected to the tail of the shield machine or the inner wall of the sleeve by clamping. Please refer to the reference drawing of the use status of Design 1; Design 2 has both ends connected to the tail of the shield machine or the inner wall of the sleeve. Please refer to the reference drawing of the use status of Design 2; Design 3 has one end connected to the tail of the shield machine or the inner wall of the sleeve, and the other end is suspended. Please refer to the reference drawing of the use status of Design 3.

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