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49results about How to "Large inventory" patented technology

Hydraulic hanger of double block type sleeper for passenger special line

InactiveCN101708803ASmooth liftSmall force without deformationLoad-engaging elementsEngineeringMechanical engineering
The invention relates to a hydraulic hanger of a double block type sleeper for a passenger special line, belonging to double block type sleeper product pile and loading devices and comprising a small-sized hydraulic station, lifting eyes, a fixed hanger frame, an execution oil cylinder, a movable telescopic link, movable telescopic integrated suspension arms, a buffer positioning protective rod and movable arm lifting support plates; the movable telescopic integrated suspension arms capable of stretching and retracting are respectively arranged at two ends of the fixed hanger frame so as to form a door type structure, i.e. two movable telescopic integrated suspension arms are respectively connected with two ends of the fixed hanger frame through the execution oil cylinder and the movable telescopic rod which are fixedly arranged on the fixed hanger frame; the fixed hanger frame is symmetrically provided with the lifting eyes; the hydraulic station is arranged on the fixed hanger frame; the buffer positioning protective rod is arranged below the fixed hanger frame; evenly-distributed movable arm lifting support plates are longitudinally arranged inside the movable telescopic integrated suspension arms; and opposite movable arm lifting support plates are positioned on the same plane. The hydraulic hanger has the advantages of flexible operation, orderly piling, safety and reliability, improves the operation efficiency, reduces the labor intensity and ensures the quality of products.
Owner:中铁株洲桥梁有限公司

Method for preparing foamed ceramic thermal insulation material with low energy consumption by using fluorocarbon cerium type rare earth tailings and product

The invention discloses a method for preparing a foamed ceramic thermal insulation material with low energy consumption by using fluorocarbon cerium type rare earth tailings and a product, belongs to the field of building material preparation, and aims to solve the problems that the existing metal tailings are usually stacked, occupy a large amount of land and cause environmental pollution. The method comprises the following steps: by taking the bastnaesite type rare earth tailings, kaolin, quartz and a foaming agent as raw materials, weighing the components according to a ratio, uniformly mixing, sequentially carrying out wet ball milling, drying, forming and sintering, and cooling along with a furnace. In the application, on one hand, the waste fluorocarbon cerium type rare earth tailings are used as the main raw material, so that the raw material cost is reduced; on the other hand, the sintering temperature is reduced, the preparation energy consumption of the foamed ceramic thermal insulation material is reduced, and the production cost is reduced; and the preparation method has remarkable progressive significance in reducing the preparation cost of the foamed ceramic thermal insulation material, and is beneficial to promoting the popularization and application of the foamed ceramic thermal insulation material.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Drilling tool code recognition system

The invention relates to a drilling tool code recognition system comprising coding chips, a portable infrared scanner and a computer, wherein coding chips are two round anti-corrosion hard-plastic flakes with small holes in the centers, and each flake is engraved with a two-dimensional digital code of the same drilling tool; a blind hole is drilled in an area on a male connector of the drilling tool, adjacent to a slope table shoulder side, one coding chip is placed at the bottom of the blind hole, an anti-corrosion fluororubber pad with the outer diameter same to the size of the blind hole is covered on the coding chip, the other coding chip is placed on the fluororubber pad, with the surface engraved with the two-dimensional digital code upward, and finally, a small quantity of steel adhesive is applied on the inner side of the blind hole, tightly adjacent to the coding chips, so as to fix the coding chips; the corrosion and high-temperature resistant fluororubber pad in the coding chips can be used for isolating the chip at the bottom layer with a working environment so as to effectively protect the chips; and the portable infrared scanner improves the efficiency and accuracy of code recognition, avoids errors caused by manually recording codes, and promotes the digitization and the informatization of drilling tool coding management.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1
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