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1547results about How to "Avoid breakage" patented technology

Heat exchanger integrated assembly

The invention provides a heat exchanger integrated assembly. The heat exchanger integrated assembly comprises a heat exchanger, an adaptation connecting device and an installation supporting frame used for fixing the integrated assembly, wherein one end of the adaptation connecting device is fixed to a matching part, and an outwards protruding third pipeline and an outwards protruding fourth pipeline are arranged at the other end of the adaptation connecting device; the installation supporting frame comprises an installation part bent at an included angle with the matching part, the installation part comprises at least two installation plates, at least one installation plate is located on the side, opposite to the side where the other installation plate is located, of the matching part, or the installation part comprises one installation plate and at least two connecting parts, and the gap between at least two adjacent connecting parts is larger than the gap between other adjacent connecting parts. Each installation plate is provided with a plurality of installation holes, and the installation holes are completely exposed outside the heat exchanger and the adaptation connecting device in the installation direction penetrating through the installation holes. The heat exchanger integrated assembly is simple in structure, good in refrigeration effect, high in stability of the installation supporting frame and high in vibration strength.
Owner:ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO LTD

Carrying and conveying robot

The invention relates to a carrying and conveying robot comprising a bearing table, execution mechanisms and a control module. The bearing table is provided with a drive device. The drive device regulates the speed and direction of the bearing table on the basis of control information of the control module so that the bearing table can be used in cooperation with the execution mechanisms for carrying goods on the basis of the control information of the control module. The robot further comprises a magnetic belt guide unit and a vision guide unit. The control module determines at least one route on the basis of a first position parameter and a second position parameter of a carrier in an assigned area and indicates the drive device to move along the at least one route preset according to guidance of the magnetic belt guide unit so that the carrier in the unloaded state can be carried to the first position from the second position, and the control module controls the bearing table to carry the carrier, fully loaded through the execution mechanisms according to placement morphological parameters of the goods in a corresponding movement manner, to the assigned second position according to the preset at least one route. By means of the dual manner of magnetic belt guidance and vision guidance, positioning of the robot can be more accurate, and efficiency can be higher.
Owner:HEFEI UNIV OF TECH

Method for cutting base plate by laser and laser cutting equipment

The invention relates to the technical field of production of display devices and discloses a method for cutting a base plate by laser and laser cutting equipment. The method comprises the following steps: a plurality of crossed first parallel lines and second parallel lines are engraved on the base plate, an area engraved with a subbase plate shape is defined by the first parallel lines and the second parallel lines, and an outline is positioned in the area with the subbase plate shape; an auxiliary splitting line is engraved outside the outline in the area engraved with the subbase plate shape; and the minimum distance from the end part of the auxiliary splitting line, facing the outline line, to the outline line is within a first set threshold. The parallel lines and the auxiliary splitting line are set to help split the base plate, the stress damage points of the base plate during cutting are increased, a phenomenon that the glass base plate is broken when being cut is avoided and the finished product rate of base plate cutting is effectively improved; and besides, the cutting path is designed reasonably and skillfully, the cut base plate can be completely separated and an automatic taking-out condition can be achieved.
Owner:HEFEI XINSHENG OPTOELECTRONICS TECH CO LTD +1

Preparation method of semiconductor substrate with cavity

ActiveCN103400797AGood top silicon uniformity and defect controlAvoid breakageSemiconductor/solid-state device manufacturingCorrosionSemiconductor
The invention provides a preparation method of a semiconductor substrate with a cavity. The preparation method comprises the following steps: a first substrate and a second substrate are provided, wherein the first substrate comprises a support layer, an oxidation layer on the surface of the support layer and a device layer on the surface the oxidation layer; the graphical cavity is formed on the surface of the second substrate; an insulating layer/insulating layers is/are formed on the surface/surfaces of the second substrate or/and the device layer; the first substrate and the second substrate are bonded together by taking the insulating layer and the device layer as middle layers; the annealing is performed on the bonded substrate; the mechanical lapping is performed on the support layer of the first substrate so as to reduce the thickness of the support layer, and the support layer with the thickness more than 5 um is reserved; the chemically mechanical polishing is performed on the support layer of a reserved part so as to completely remove the support layer of the reserved part; the oxidation layer is removed through corrosion so as to form semiconductor substrate with the cavity. The preparation method has the advantage that the combination method of the mechanical lapping, the chemically mechanical polishing and the corrosion is adopted, so that the crush of a top layer and a silicon layer due to only partial support during the process of mechanical lapping is prevented.
Owner:SHANGHAI SIMGUI TECH

Municipal administration path sewer pipeline construction equipment and method

The invention relates to municipal administration path sewer pipeline construction equipment and a method. The municipal administration path sewer pipeline construction equipment comprises a movable base, wherein a rack is rotatably connected above the base; a rotation axis of the rack is perpendicular to the base; the rack is provided with a pipe storage tank for stacking single pipelines; an opening is formed in one side of the pipe storage tank; a conveying device for conveying the single pipelines toward the opening direction is arranged on the bottom part of the pipe storage tank; the rack is provided with a clamping device at one side of the opening; the clamping device stretches into a pipe groove and is used for clamping each single pipeline; the clamping device is located under the opening; and a lifting device for lifting the clamping device is arranged between the clamping device and the rack. Through adopting the technical scheme, through the cooperation of the pipe storagetank, the conveying device and the clamping device of the equipment, one batch of single pipelines can be sequentially downwards placed in a groove, so that the time spent on sequentially lifting thesingle pipelines through a crane is shortened, the occurrence of the phenomenon that the single pipelines are easy to break when being downwards placed manually is further avoided, and an effect on quickly paving sewer pipelines is achieved.
Owner:广东城华工程咨询有限公司

Safety recyclable transportation packaging box not prone to breaking up

The invention discloses a safety recyclable transportation packaging box not prone to breaking up. The safety recyclable transportation packaging box not prone to breaking up comprises a box body. A winding device fixedly installed on the outer portion of the box body is movably connected with a fixing plate through a dragging steel wire, and the fixing plate is located in an inner cavity of the box body. The side, close to the winding device, of the fixing plate is elastically connected with one end of a spring, the other end of the spring is elastically connected to the inner wall of the box body, a sponge block is fixedly installed on the other side of the fixing plate, an air charging device is fixedly installed on the side face of the sponge block as well as the inner wall of the box body, and a clamping device is movably connected to the side face of the winding device as well as the outer portion of the box body. The safety recyclable transportation packaging box not prone to breaking up has the advantages that the clamping distance is adjusted according to the size of cargos, the effect that the cargos are fixed through the optimal clamping force is ensured, impact force caused by clamping is relieved in time, the situation that no other protection measures are taken when the cargos topple over, and consequently the cargos break up is avoided, recycling is achieved, and by adoption of multiple stages of protection measures, the cargos are safer.
Owner:重庆益弘防务科技有限公司

Low-range piezoresistive pressure sensor for vacuum measurement and manufacturing method thereof

The invention discloses a method for manufacturing a low-range piezoresistive pressure sensor for vacuum measurement comprising the following steps: (a) providing a silicon wafer, covering a silicon oxide and a silicon nitride as a mask on the back of the silicon wafer, and etching the silicon oxide and silicon nitride as the mask by using RIE to form a membrane structure opening; (b) removing a photoresist and corroding or etching the silicon wafer so as to form a certain depth at the opening of the membrane structure; (c) photoetching an island structure, and etching the silicon oxide and the silicon nitride on the island structure by using RIE; (d) removing the photoresist and keeping on corroding or etching the silicon wafer, obtaining a pressure sensing film with the desired depth; (e) corroding the remaining silicon oxide and silicon nitride by using BOE; (f) providing a bonding layer, and fixing the bonding layer at the front of the silicon wafer, arranging a cavity communicated with the pressure sensing film and a stop block downwardly extending to the cavity on the bonding layer, and reserving a gap between the stop block and the pressure sensing film for limiting excessive deformation of the pressure sensing film; also comprising a step of making a plurality of piezoresistive bars which can connect a Wheatstone bridge at a stress concentration area of the pressure sensing film. The design of the stop block limits the maximum displacement of the pressure sensing film so as to realize the functions of ordinary pressure protection and overload protection of the sensor.
Owner:MEMSENSING MICROSYST SUZHOU CHINA

Continuous carbon fiber composite material 3D printing device and method with modifying and dipping synchronization function

The invention provides a continuous carbon fiber composite material 3D printing device and method with a modifying and dipping synchronization function. A fiber guide pipe is partially immersed in a solution of a synchronous modification container, and the immersed part is provided with a notch for the solution to flow; the fiber guide pipe and a resin guide pipe are connected with two inlets of aprinting head respectively, an outlet of the printing head is connected with a heating block, and a nozzle is arranged at the bottom of the heating block. According to the device and method, 3D printing of the fiber composite material which is synchronously modified and dipped is achieved; through the design of a mechanical structure, the modified continuous fiber enters the heating block along with resin to be printed, the unmodified resin is conveyed into a modification solution to be soaked and modified so that printed carbon fibers can be modified all the time, and synchronization of fiber modification and printing is effectively achieved; after the carbon fibers are soaked with the modified solution, original cellosilk which is easy to disperse in the carbon fibers is combined more tightly; the surfaces of the carbon fibers are coated with a layer of resin, so that the binding effect of the carbon fibers and the resin in the molten state is improved, and the continuous carbon fiber material is not easy to break in the printing process.
Owner:NANJING NORMAL UNIVERSITY +1

Automatic pipe laying device

The invention discloses an automatic pipe laying device which is characterized in that the automatic pipe laying device comprises a positioning pipe laying device and a pipe hoisting device, the positioning pipe laying device comprises a positioning traveling crane, a device support, hydraulic pressure supporting legs and a rear-end positioning mechanism, the hydraulic pressure supporting legs are fixed on two sides of the device support, a rear-end positioning space is formed in the device support and used for covering a pipe body from top to bottom, the rear-end positioning mechanism comprises a rear-end left side pipe, a rear-end right side pipe and a rear-end middle side pipe which are rotatably mounted in the rear-end positioning space, a front-end positioning space is formed in the device support and used for carrying falling pipe bodies, guide plates are obliquely fixed on two sides of the front-end positioning space, a front-end positioning mechanism comprises a front-end left side pipe, a front-end right side pipe, a front-end pushing mechanism, a left side pipe driving mechanism and a right side pipe driving mechanism, the left side pipe driving mechanism is used for unfolding the front-end left side pipe, and the right side pipe driving mechanism is used for unfolding the front-end right side pipe. According to the automatic pipe laying device, rapid positioning can be achieved, abutting joint is convenient and rapid, opening efficiency is improved, and potential safety hazards are avoided.
Owner:黄山云天建筑工程有限公司
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