3results about How to "Make up the gap" patented technology

This invention discloses a fully automatic soil-cleaning type drilling and piling machine for civil construction, including a drilling and piling machine body. A frame is provided on one side of the drilling and piling machine body, and a through hole is opened in the center of the frame. A spiral rod on the drilling and piling machine body passes through the through hole and is slidably connected to the through hole. A groove is opened at the top of the frame, and an arc-shaped plate is provided on one inner wall of the groove. The arc-shaped plate divides the internal space of the groove into a storage tank and a running tank, with the storage tank located above the running tank. Beneficial effect: Through the design of the movable frame, when several storage areas on the movable frame rotate to the position of the notch, the storage area matches the discharge port. That is, the movable plate at the bottom of the storage area no longer has the support of the arc-shaped plate, and the movable plate rotates and falls, causing the soil accumulated on the movable plate inside the storage area to be poured downwards and discharged into the discharge port.

The application discloses a high water-absorbing resin SAP-based oil casing thread grease, which is composed of the following components: base oil 20-40%, thickening agent 10-20%, solid lubricant 20-45%, tin-phosphor bronze 5-10%, high polymer water-absorbing resin SAP powder 5-15%, and antioxidant and preservative 1-5%, and the sum of the above mass percentages is 100%. The application further discloses a preparation method of the high water-absorbing resin SAP-based oil casing thread grease. The application further discloses application of the high water-absorbing resin SAP-based oil casing thread grease in oil and natural gas drilling oil pipes and casings. The high water-absorbing resin SAP-based oil casing thread grease, the preparation method and the application thereof disclosed by the application solve the problem that the existing thread grease has limited friction resistance and pressure resistance, and the contained grease volatilizes at high temperature to form a leakage channel, thereby resulting in poor sealing performance.

This utility model provides a dust suppression mechanism for a crushing workshop, comprising U-shaped plates on the left and right sides. Each U-shaped plate has a mounting plate at its top, and multiple rotating shafts are rotatably mounted on the inner ends of each mounting plate. Water spray pipes are positioned between corresponding rotating shafts on the inner ends of the two mounting plates. Connecting flanges are mounted on the tops of the multiple water spray pipes, and multiple water spray heads are mounted on the bottoms of the multiple water spray pipes. This dust suppression mechanism for a crushing workshop not only meets the basic requirement of dust suppression during crushing and settling, but also allows the water spray heads to swing via a swing mechanism, preventing dust from overflowing between adjacent water spray pipes, reducing the cost of using the device, and meeting user needs.