5results about How to "Avoid emptying" patented technology

The application discloses a tunnel lining modularization endless longitudinal grouting method, which comprises the following steps: step S1, three grouting holes for grouting pipes to pass through are symmetrically reserved on the vault of a tunnel lining pouring formwork, and the left and right side walls of the tunnel lining formwork are first grouted by using a punch grouting mode; step S2, a plurality of grouting pipes are installed by using a longitudinal grouting pipe mounting and dismounting system, and each grouting pipe is sequentially pushed into the grouting hole on the vault of the tunnel lining pouring formwork; step S3, the grouting pipes are pulled out and dismounted by the longitudinal grouting pipe mounting and dismounting system; and step S4, grouting is sequentially performed on one grouting hole on the left side or the right side and the grouting hole on the middle top according to steps S2 to S3, so that the working space of the grouting pipes is greatly reduced, the design is in line with actual demands, the conception is novel, and the concrete pouring effect is good.

The invention relates to the technical field of fabricated building block processing, in particular to a fabricated building block processing device. In order to solve the problem that a single-layer integrated thermal insulation layer is easily bitten and emptied by rats and prevent a clamping block in a clamping scheme from being easily broken, a limiting channel of a multi-area double-layer thermal insulation layer structure is formed by adopting a filling block channel and a filling plate channel on a limiting shell, so that the limiting channel is aligned with a second building block body, and after a filling block and a filling plate are fed into the limiting channel, the filling block and the filling plate are separated from each other. And the filling blocks and the filling plates are directly pushed into the second building block bodies on the assembly line through the first conveying belt and the second conveying belt which are arranged on the upper layer and the lower layer, and finally the filling blocks and the filling plates exposed out of the second building block bodies are cut off to form the complete fabricated building blocks.

The utility model relates to a kind of plate type support height adjustment device, including intermediate steel plate and lower pelvic cavity, the upper support plate type support of intermediate steel plate, the lower pelvic cavity has the recess matched with the intermediate steel plate, the intermediate steel plate is placed in the recess of the lower pelvic cavity, the lower pelvic cavity is provided with filling channel, one side of the filling channel is the import exposed to the outer surface of the lower pelvic cavity, the other side is the outlet extended into the recess;By filling medium in the recess is filled to filling channel, with the increase of filling medium, the intermediate steel plate is jacked up, and the height of the plate type support is adjusted.The utility model has the advantages that:it is suitable for various plate type rubber supports, including circular, rectangular, fixed support, movable support;Plate type support height adjustment function can be realized, stress condition of support is guaranteed by height adjustment, and voiding phenomenon is avoided;Simple structure, relatively small cost increase;Convenient to use, reusable, suitable for promotion.

The present application relates to oil and gas storage and transportation application field, specifically relates to a kind of centrifugal pump segmented filling pump device and filling pump method;Including centrifugal pump, filling pump valve, pump outlet cut-off valve, pump inlet valve, subsea valve and pump inlet intermediate check valve;The centrifugal pump one end is connected pump outlet pipe, the other end is connected pump inlet pipe, wherein pump outlet cut-off valve and filling pump valve are sequentially arranged on pump outlet pipe;The present application gradually fills pump inlet pipeline by using segmented dense medium liquid, air is gradually absorbed and replaced by liquid by the action of centrifugal pump, so as to realize the dense filling of space in pump shell, ensure that pump inlet pipeline forms segmented dense structure before starting, so that liquid can smoothly enter pump shell and be pumped to outlet through the working cavity of pump, effectively avoid the phenomenon of pumping empty when pump starts, ensure the normal flow of liquid.

The invention relates to an installation construction method for a fan installation ship and the fan installation ship. The theoretical leg insertion range is determined according to geological data, and all the pile legs are lowered to the seabed surface and then sink by means of self weight, so that the pile legs are preliminarily in place. The pile is actively pressed for the first time, and pressure is maintained after staged loading of the pile leg, so that soil around the pile leg restores a stable state, and the settling stability of the pile leg is improved. After the platform of the fan installation ship is lifted, the weight of the fan installation ship is basically borne by the pile legs, at the moment, secondary active pile pressing enables the pile legs to be further compacted and pierce into a hard layer, and the bearing capacity is improved. Active pile pressing for the second time is achieved through staged loading of diagonal pile legs, it is guaranteed that the ship body is stressed symmetrically, and meanwhile stable transition from a soft layer to a hard layer can be dealt with; and the pressure is maintained until no further settlement exists, so that the pile leg insertion depth meets the theoretical leg insertion range. According to the method, through theoretical leg insertion range pre-judgment and two different graded loading and pressure maintaining stability, the method adapts to complex seabed geology, and the installation positioning construction reliability of the fan installation ship is improved.