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91results about How to "Save budget" patented technology

Vertical type automatic wall brick-pasting device for building construction

InactiveCN108729631ARealize the lifting effectIngenious structural designBuilding constructionsBrickEngineering
The invention discloses a vertical type automatic wall-tiling device for building construction. The vertical type automatic wall-tiling device comprises a base; a transversely arranged first electricsliding rail is arranged on the side wall of the base; the first electric sliding rail is internally connected with a first sliding block in a sliding way, and the first sliding block is matched withthe first electric sliding rail; the side wall of the upper side of the first sliding block is provided with a vertically arranged support rod; the side wall of the support rod is provided with a vertically arranged second electric sliding rail; the second electric sliding rail is internally connected with a second sliding block in a sliding way, and the second sliding block is matched with the second electric sliding rail; the second sliding block passes through the side wall of the second electric sliding rail and is connected with a transversely arranged connecting block; a drive motor is arranged on the side wall of one side of the connecting block; an output shaft of the drive motor is connected with a first rotating shaft. The vertical type automatic wall-tiling device for building construction can automatically perform a wall-tiling operation, thus saving a great deal of labor force and budget, and improving the tiling efficiency; furthermore, the device is lower in manufacturing cost and suitable for being popularized in the construction industry.
Owner:广东鑫基建设集团有限公司

Electromagnetic radiation detection device and method for potential fire danger of mine

The invention provides an electromagnetic radiation detection device and method for potential fire danger of a mine and belongs to a fire detection device and method. According to the electromagnetic radiation detection device and method, electromagnetic radiation signals generated in the temperature rising or burning process of a coal body are detected and analyzed, and then the potential fire danger of the mine is detected. The detection device comprises a perpendicular directionally receiving antenna set and a monitoring host. The detection method includes the steps that the effective receiving direction of the perpendicular directionally receiving antenna set faces a detection area, the value and the main direction of electromagnetic radiation are measured and calculated; a crossed position of main directions of different measuring points is a potential fire danger area; it is judged that fire danger exists in the area according to the average value of electromagnetic radiation indexes in the potential danger area or a dynamic change trend of the electromagnetic radiation indexes in multiple measurements in a critical value mode and a dynamic change trend mode when the electromagnetic radiation indexes or the dynamic change trend exceeds a corresponding critical value. Through the electromagnetic radiation detection device and method, potential fire risks and the potential fire danger area can be detected in time and space; the electromagnetic radiation detection device and method have the advantages of being efficient, fast and convenient.
Owner:CHINA UNIV OF MINING & TECH

AXI protocol-based DMA controller and data uploading method

The invention discloses an AXI protocol-based DMA controller and a data uploading method. The AXI protocol-based DMA controller comprises a channel module, an arbitration module, a control module, a data cache module, an interruption module and a configuration interface module, wherein the channel module is used for providing an information transmission channel for the whole controller; the arbitration module is used for arbitrating information in the channel, selecting passable transmission commands and sending the passable transmission commands to the control module; the control module is used for processing a received read-write command, converting the read-write command into a read-write signal according with an AXI protocol, and transmitting the read-write signal out; the data cache module is used for receiving to-be-uploaded data from the control module and the transmission command from the channel module; the interruption module is used for receiving the signal from the control module and sending an information transmission state to the exterior; and the configuration interface module is an interface for configuring parameters of registers in the modules. Compared with the prior art, the AXI protocol-based DMA controller and the data uploading method have the effects of realizing the high-speed data transfer between peripheral equipment and a memory, and improving the working efficiency of the whole system.
Owner:ZHENGZHOU YUNHAI INFORMATION TECH CO LTD

Manufacturing process of large-size thin-walled cylinder body

ActiveCN101823199AGood promotion valueAvoid dentsSteel platesThin walled
The invention relates to a manufacturing process of a large-size thin-walled cylinder body, comprising the following steps of: inputting the front end of a steel plate with the thickness meeting requirements into a three-roller plate bending machine, and bending the steel plate into an arc shape through a compression roller by the three-roller plate bending machine; arranging a bracket at one side of the three-roller plate bending machine, arranging a carrier roller on the bracket, wherein the carrier roller is arranged parallel to the compression roller of the three-roller plate bending machine, and the height of the carrier roller corresponds to the diameter of an opening of the large-size thin-walled cylinder body; enabling the steel plate to ascend from the outlet end of the three-roller plate bending machine under the thrust action of the three-roller plate bending machine during bending and keep a same arc all the time in the bending process, and enabling the front end of the steel plate to be naturally overlapped with the carrier roller after reaching a highest point and then continuously downwards bent back to the inlet end of the three-roller plate bending machine; connecting divided edges of the front end and the rear end of the large-size thin-walled cylinder body which is completely bent in a parallel and level way, and also fixing through spot welding; and welding to form a circular cylinder body. The invention can effectively control the deformation of the cylinder body in the manufacturing process by utilizing a principle of the action of one support on a circumference, is more convenient and faster to assemble, effectively reduces the manufacturing cost and has very good popularization value.
Owner:CHONGQING IRON & STEEL (GRP) CO LTD

Tied-arch bridge deflection identification method based on long gauge length fiber grating sensors

ActiveCN105716534AReduce equipment and personnel budgetShorten construction timeUsing optical meansPhysicsFiber optic sensor
The invention discloses a tied-arch bridge deflection identification method based on long gauge length fiber grating sensors. The method comprises the steps of: arranging sensor, specifically, arranging one continuous long gauge length fiber grating sensor in the lengthening direction of the bottom part of a tie beam of the tied-arch bridge, and respectively arranging one long gauge length fiber grating sensor on three units arranged on different positions in the length direction of the top part of the tie beam of the tied-arch bridge; collecting and processing data, and specifically calculating the axial strain of each unit; adopting a parabola fitting mode to obtain the axial strain on the whole tie beam; according to the axial strain on the whole tie beam obtained by fitting, calculating the bending strain on the whole tie beam; and according to the obtained bending strain, calculating the deflection of the tie beam on the tied-arch bridge. According to the invention, the plurality of sensors are added based on an original sensor arranging scheme, and the sensing arranging scheme of the sensors on the top part of the tie beam is made. In this way, the equipment and manual budget is substantially lowered, the construction time is saved, and more economic benefits can be made.
Owner:SOUTHEAST UNIV

Bag type dust remover monitoring and diagnosis analysis system

The invention discloses a bag type dust remover monitoring and diagnosis analysis system. The bag type dust remover monitoring and diagnosis analysis system includes monitoring hardware at a dust remover end, data acquisition equipment and a master computer; the monitoring hardware at the dust remover end includes a high-precision dust meter, a pressure transmitter and a differential pressure transmitter; the high-precision dust meter is installed on the position of an outlet pipe of a dust remover, a pressure tapping point of the differential pressure transmitter is installed in an inlet andoutlet of the dust remover, and the pressure transmitter is installed on a main output pipe of a gas storage tank; the data acquisition equipment is connected with the master computer, the data acquisition equipment includes a data acquisition cabinet which is internally provided with a PLC and a switch power supply, the data acquisition cabinet is connected with the PLC in an electric control cabinet of the dust remover in the field through a programming software, a switch and a network cable, and the data are synchronized and processed; and the programming software acquires the data of PLC in the data acquisition equipment through a protocol and the network cable. According to the bag type dust remover monitoring and diagnosis analysis system, the bag leakage judgment of a dust remover filtration system, the diagnosis of a lifting valve and a pulse valve of main components of a dust remover jet system, and the overall performance and multi-parameter evaluation analysis of the dust remover are realized.
Owner:杭州科灵威识精密仪器有限公司
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