9results about How to "Avoid cavities" patented technology

The invention discloses a drilling and blasting method tunnel assembly type UHPC (Ultra High Performance Concrete) lining structure. The drilling and blasting method tunnel assembly type UHPC lining structure comprises a plurality of UHPC lining units; a plurality of longitudinal connecting units, wherein each longitudinal connecting unit is fixedly connected with any two adjacent UHPC lining units; and a plurality of annular sealing rubber units, wherein each annular sealing rubber unit is laid on the annular side surface of the corresponding UHPC lining unit. The invention further discloses a construction method of the drilling and blasting method tunnel assembly type UHPC lining structure. Compared with the prior art, the drilling and blasting method tunnel assembly type UHPC lining structure has the advantages that construction is rapid, and the safety and durability of a secondary lining structure are improved.

The invention discloses a corrosion-resistant and weathering-resistant steel-seawater sea sand concrete column component and a construction method, and relates to the field of ocean engineering structures. According to the scheme, through multi-layer protection and modular design, corrosion resistance, erosion resistance and impact resistance are remarkably improved, and the construction period is shortened. The protection column component adopts the design of combining the prefabricated cement sleeve, the filler and the corrosion-resistant and weather-resistant steel supporting ribs, a multi-layer protection mechanism is formed under the long-term impact of sea waves, the supporting ribs and the filler can continuously provide protection after the local part of the base body is eroded and lost, long-term use is guaranteed through automatic filling of the filler, and the service life of the base body is prolonged. Impact force is consumed step by step through force unloading design of the base body and the filler, secondary supporting is achieved through deformation of the prefabricated cement sleeve and combination of the prefabricated cement sleeve and the core body, the impact resistance is improved, in addition, the protection column component forms a high-water-potential buffering area through the seawater flowing characteristic, erosion force is reduced, the safety of the core structure is protected, and the scheme is simple in structure, convenient to maintain and low in cost. The method is suitable for long-term marine environment application.

The utility model discloses a kind of durability concrete jolt ramming device, belong to concrete detection technical field, including vibration subassembly, still including the adjusting component for adjusting the up and down position of vibration subassembly, and the moving component for moving vibration subassembly;The vibration subassembly includes vibration motor body, the vibration motor body is installed in the top middle of vibration plate by screw, the top four around of vibration plate is fixedly installed with four groups of guide rod;The utility model is through setting vibration motor body and vibration plate, simple structure, it is convenient and practical, can drive mould box vibration, to avoid test block inside cavity or pouring not dense, and vibration plate can cover mould box top opening, avoid mud splash out, and by setting adjusting component and moving component, vibration subassembly is moved to aim at mould box, greatly reduce the labor intensity of operator, improve work efficiency.

The invention discloses a split type communication tower prefabricated foundation and a construction method thereof, and relates to the technical field of prefabricated foundation piles. Comprising a first precast block, a second precast block, a third precast block and a communication tower foundation block, the two sides, close to the first precast block and the third precast block, of the second precast block and the sides, close to the second precast block, of the first precast block and the third precast block are each provided with penetrating transverse reinforcing steel bars in a pre-buried mode, and splicing plates are arranged at the joints of the two sides of the first precast block, the two sides of the second precast block and the two sides of the third precast block; the splice plates penetrate through the transverse reinforcing steel bars and then are attached to the surfaces of the prefabricated blocks to be used for connecting the first prefabricated block, the second prefabricated block and the third prefabricated block. Through the arrangement of the three precast blocks, the communication tower foundation block and the like, only hoisting, connecting and a small amount of subsequent concrete pouring are needed on site, a large amount of site construction time is shortened, the overall project construction period is effectively shortened, the pouring cavity and the inner cavity groove are communicated through the pipe body, the concrete pouring process is optimized, and the construction efficiency is improved. Multiple parts do not need to be irrigated respectively, and the complexity of the irrigation procedure is reduced.

The utility model relates to the technical field of health-care paste filling, in particular to a health-care paste filling mechanism which comprises a material fixing frame, a material fixing pumping groove is formed in the material fixing frame, a base is fixedly connected to the bottom end of the material fixing frame, a telescopic reed pipe is arranged in the center of the bottom of the base, one end of the telescopic reed pipe is fixedly connected with an adjusting seat, and the other end of the telescopic reed pipe is fixedly connected with a material fixing pumping groove. The side face of the material fixing frame is movably connected with a drawing side plate, and the side face of the drawing side plate is fixedly connected with a material storage box. Through the arrangement of the material fixing frame, the base, the telescopic reed pipe, the adjusting seat, the top seat, the hydraulic push rod, the conical pipe and the extrusion head, the equipment can carry out more efficient and stable health-care paste filling operation, and in the actual use process, a worker firstly places a tank body at the bottom end of the adjusting seat in a butt joint mode, and then the tank body is extruded through the extrusion head. And then telescopic push rods on the surfaces of the side seats on the two sides of the adjusting seat are started, so that the adjusting seat, the conical pipe on the bottom wall and the extrusion head are driven from the side seats to integrally go deep into the tank body.

A balcony rail crack filling material supporting device. The utility model discloses a strip grid and a plurality of anchoring pieces, the strip grid is sequentially provided with a plurality of anchoring pieces along its length direction, the strip grid is provided with a plurality of connecting rings along its length direction, and one anchoring piece is arranged in each connecting ring. Each anchoring piece comprises an anchoring pipe, a grid adjusting batten, an adjusting piece and an anchoring control, the anchoring control is arranged in the anchoring pipe, the anchoring control is in threaded connection with the anchoring pipe, the grid adjusting batten is arranged on the anchoring control, the grid adjusting batten is attached to the strip grid, the adjusting piece is arranged on the anchoring control, the adjusting piece is attached to the grid adjusting batten, and the anchoring control is arranged in the connecting ring corresponding to the position of the anchoring control.

The embodiment of the utility model provides a tube body assembly of an interventional operation conveying device and the interventional operation conveying device, and belongs to the technical field of medical instruments. The tube body assembly comprises a guide wire tube for a guide wire to penetrate through and a first tube body located on the outer side of the guide wire tube, and the guide wire tube and the first tube body are of an integrally-formed structure. The first tube body is provided with a first hole channel, and the guide wire tube penetrates through the first hole channel and is welded to the first tube body. According to the pipe body assembly of the interventional operation conveying device, the combination stability between the guide wire pipe and the first pipe body is high, the problem of strain residues is solved, the tensile strength is greatly improved compared with glue joint, and the fracture resistance of the pipe body assembly is greatly improved.

This invention relates to an automatic weighing system for piezoelectric ceramic synthesis in high-throughput equipment, belonging to the field of weighing device technology. It includes a support platform with a collector at its center. Several weighing units are arranged around the collector on the support platform. Each weighing unit includes a discharge chute arranged in a V-shape, with its outlet extending above the collector. A hopper is connected above the discharge chute. This invention solves the problems of traditional technologies where piezoelectric ceramic powder is prone to agglomeration, leading to uneven material distribution due to the screw conveyor method, which is suitable for weighing large quantities of materials but not for weighing small amounts of additives and is prone to cross-contamination; and the inability to simultaneously weigh small doses of additives and large doses of powder, resulting in poor dosage compatibility of the weighing equipment.

The present application relates to the technical field of water heaters, and discloses a production process of a water heater and the water heater, the production process of the water heater comprising the following steps: S1, foaming adhesive tape is sleeved in a shell of the water heater, and the foaming adhesive tape is stretched apart by a shape-following device, so that the foaming adhesive tape is attached to side walls of cavities formed between the shell and gaskets on end covers of the water heater; S2, an inner container is placed in the foaming adhesive tape and supported on the gaskets; and S3, foaming material is injected between the foaming adhesive tape and the inner container to perform foaming. The production process of the water heater has the advantages that the foaming adhesive tape is stretched apart by the shape-following device and attached to the side walls of the cavities, so that the foaming material can fill the cavities by gravity, the phenomenon of cavities is avoided, and in turn, the phenomenon of shell concave of the water heater is avoided. The water heater can avoid the cavities between the shell and the gaskets, improve the overall strength of the water heater, and avoid the phenomenon of shell concave caused by collision.