77results about How to "Expanded size range" patented technology

The invention provides a multi-axis linkage numerical control laser processing system, which is structurally characterized in that a workbench is provided with a linear guide rail, two ends of the guide rail are provided with a workbench tail seat and a headstock respectively, and two open center brackets are movably arranged on the guide rail and are positioned between the workbench tail seat and the headstock; a guide rail stand is arranged beside the workbench, the guide rail stand is provided with another parallel guide rail, and a movable sliding stand is movably arranged on the guide rail; a robot is fixed on the movable sliding stand, and a laser processing head is arranged at the tail end of a last joint of the robot; and a controller is connected with the robot and the movable sliding stand through control wires respectively so as to control the robot and control the movable sliding stand to drive the robot to move on the guide rail stand. The system solves the problem that a joint robot laser processing system has a small processing range, and can meet the numerical control laser processing requirements of parts of large size and super-large size.

Modular mold equipment for producing concrete culverts with tight tolerances. Modular mold equipment having a coupling plate is used to align and interconnect components of the mold. The components being aligned may have recesses for receiving the coupling plate. Modular mold equipment system with an extended size range to cover all standard concreted duct product sizes. Modular mold equipment having a pallet guide adjustment mechanism adapted for setting the pallet at a desired location in relation to a form. The desired location is based on a wall thickness of a concrete culvert to be produced. Modular mold equipment having a core that includes a core corner and another core component adapted to be coupled to the core corner, and locking apparatus adapted to lock the core corner to the other core component via a mechanism that extends outside the core.

A seat pad assembly is disclosed including a body pad for placement on the seating surface of a child seating device. The body pad has a front side, a back side, and two spaced apart vertical slots through the pad. The seat pad assembly has a head support with a connecting strip extending between a pair of laterally spaced apart cushions. The head support is generally H-shaped and installed on the pad through the slots with the pair of cushions on one side of the pad and the connecting strip on the other side. The head support is slidable along the slots to adjust the vertical position of the cushions. The seat pad assembly can be used on a child seating device such as a children's car seat, an infant carrier, a stroller, an infant swing, or the like.

Bronchoscope adapters and methods of using the same are provided. Aspects of the adaptors include a body having a passageway, a mechanical ventilator access port, a bronchoscope access port configured to receive a bronchoscope into the passageway, and an exit port. The bronchoscope access port comprises a reversibly adjustable inner diameter component that provides locking of the bronchoscope at desired position. The adaptors find use in a variety of different applications.

The invention relates to an electric pulse aftertreatment method and device for improving the performance of a metal component. The method comprises the steps that electric pulse crack arresting treatment is carried out on an initial component, then electric pulse quenching treatment is carried out, and finally two times of electric pulse tempering are carried out. The device comprises a telescopic multi-head electrode support, multiple electrode clamp blocks distributed at the vertexes and the center in a square shape, a lead screw and nut transmission mechanism and a dual spray head quenching device. By means of the electric pulse device, the problems that traditional electric pulse aftertreatment equipment has limitations to large-size components, and quenching of the surfaces of the components is not even are solved. By means of the electric pulse aftertreatment process, a low-defect, even and ultrafine isometric crystal structure is obtained, the residual stress is reduced under the situation that crystals are not grown up, and the comprehensive performance of the laser additive manufacturing metal component is improved. According to the electric pulse aftertreatment method and device, traditional heat treatment equipment such as a resistance furnace is not needed, aftertreatment procedures and energy consumption are reduced, the aftertreatment process is more environment-friendly and is simple and easy to do, and the manufacturing cost is reduced.

The invention relates to a nucleic acid recovery and purification kit which comprises a sol solution, a magnetic bead solution and a combination solution. The sol solution contains 3-4 mol/L guanidine isosulfocyanate, 20-30 mol/L Tris-HCl buffer solution and the balance of water. The magnetic bead solution contains 0.2-3 mg/mL hydroxy magnetic bead and the balance of water. The combination solution contains 40-60% isopropanol, 1-2 mol/L sodium chloride and the balance of water. The invention also relates to a nucleic acid recovery and purification method using the kit. The nucleic acid recovery and purification kit and method can quickly and efficiently recover and purify large-segment nucleic acids in a sepharose gel.

The invention relates to a Bluetooth 4.0-based inertia motion capturing system used for realizing low-power wireless data transmission, and a data transmission method thereof. A BLE (Bluetooth Low Energy) module is arranged at each joint of a collection object, allowing each joint to employ the Bluetooth technology to communicate with a sink node; all joints are divided into a plurality of sets, and each set is in connection with a sink node; the joint in each set can transmit data with an own sink node; the sink node performs data transmission with a Root node through a serial port, thereby forming a tree-shaped transmission network. The tree-shaped transmission network based on Bluetooth effectively overcomes the deficiency of the WiFi and Zigbee wireless technology in a motion capturing system, emancipates users from data line constraints, improves user experience and reduces the power consumption of a whole system.

The invention discloses a clamping device comprising hanging ears, an arm support and clamping mechanisms. The hanging ears are arranged on the arm support; the clamping mechanisms are respectively arranged on two ends of the arm support; each clamping mechanism comprises two clamping parts, a mounting bracket and a clamping driving device; one clamping part is connected with the mounting bracket, and the other clamping part is articulated with the clamping driving device; and the clamping part which is articulated with the clamping driving device is also articulated with the mounting bracket. Because the clamping mechanisms are designed, when clamping, the clamping device can not interfere with drilling tools which are arrayed adjacently and can not be restricted by the gaps formed due to the array of the drilling tools. In addition, because the clamping device is supported on three points by supporting mechanisms which are matched with the clamping mechanisms, the clamping device greatly improves the drilling tool clamping size range. The clamping device has compact structure and high work efficiency, can clamp the drilling tools reliably and can realize the automation.

Proposed is a method of producing an ultrathin-wall metal tube by a cold drawing method capable of drastically expanding an available size range toward much thinner side with respect to wall thickness of metal tubes. This is a diameter-expanding drawing method, in which an entry solid die, the diameter of which increases, remains constant or decreases from the engaging entry side toward the finishing exit side, and a delivery solid die, the diameter of which decreases at least in the vicinity of the engaging entry, are arranged in series and in an abutting relation on the same pass line, and a tapered plug, the diameter of which increases from the engaging entry side toward the finishing exit side, is caused to float along the pass line, whereby in the entry solid die region, the wall thickness is reduced while the mid-wall diameter of a hollow shell is being expanded between the solid die and the plug, and in the delivery solid die region, the tapered plug is caused to float by performing reduction working of the outside diameter. This method offers tremendously great economic advantages, because it is possible to produce ultrathin-wall seamless metal tubes and to make longer length tubes, and to realize the rationalization of processes in terms of yield, efficiency and the like.

The invention provides a bronchoscopy adaptor. The bronchoscopy adaptor comprises a body, a mechanical breathing machine join-up end opening, a bronchoscope join-up end opening and an outlet. A channel is arranged in the body. The mechanical breathing machine join-up end opening is arranged on the body and connected with the channel, and the mechanical breathing machine join-up end opening is used for enabling a mechanical breathing machine to be connected with the channel. The bronchoscope join-up end opening is arranged on the body and connected with the channel, and the bronchoscope join-up end opening is used for receiving a bronchoscope and enabling the bronchoscope to enter the channel. The outlet is formed in the body and connected with the channel, and the outlet is used for being connected with a tracheal catheter so as to enable the tracheal catheter to be connected with the channel. The bronchoscopy adaptor further comprises a component with the inner diameter capable of being adjusted in two ways, and the component is detachably arranged in the bronchoscope join-up end opening. The bronchoscopy adaptor can reduce human errors and improve the diagnostic rate.

The present invention relates to a hanging clamp for different size rods, which comprises a L-shaped base having a body, a rotatory piece capable of rotating at a predetermined angle, as well as a clamping member also capable of rotating at a predetermined angle; wherein a retaining portion projects out of one end of body, the rotatory piece is pivoted at a proper position of body by means of a first pivotal axis, while the clamping member is pivoted at one end of rotatory piece by using a second pivotal axis; furthermore, the clamping member in response to the retaining portion is provided with an arc-shaped clamping surface having a concentric circle, whereby enabling the rotatory piece pivotally rotate the clamping member to clamp different size rods, by using the changeable distance between the clamping surface and the retaining portion; prefectably, the clamping member can also pivotally rotate to increase or decrease said changeable distance between the clamping surface and the retaining portion, so as to expand the clamping size range of hanging clamp for different size rods by using the changeable distance of double pivotal axis.

A mobility spectrometer to measure a nanometer particle size distribution is disclosed. The mobility spectrometer includes a conduit and a detector. The conduit is configured to receive and provide fluid communication of a fluid stream having a charged nanometer particle mixture. The conduit includes a separator section configured to generate an electrical field of two dimensions transverse to a dimension associated with the flow of the charged nanometer particle mixture through the separator section to spatially separate charged nanometer particles of the charged nanometer particle mixture in said two dimensions. The detector is disposed downstream of the conduit to detect concentration and position of the spatially-separated nanometer particles.

The invention relates to a method and device for producing coal, fuel gas and tar, used for solving the problems that coal and fuel gas are mainly formed naturally; the period is long; the cost is high, etc. The invention provides a co-production process and a device, used for solving the above problems and simultaneously producing the tar. According to the scheme provided by the invention, combustible raw material is put in the liner of a reaction kettle and heated to generate gas through high-temperature fission; a small part of gas flows back into a combustion pipe to continuously heat the liner; the remained gas enters a separator; fuel gas and tar are automatically separated through water; the separated fuel gas enters a purifier; the tar flows into a tar tank; after reaching use standards through water-fog dedusting and purifying, the fuel gas entering the purifier is conveyed into a gas storage tank to be used; and, after being subjected to complete fission, the combustible raw material is taken out and can be prepared into the coal by adding lime or soil. The co-production process and the device disclosed by the invention have the benefits that the problem that coal and fuel gas are only formed naturally for a long period is solved; the cost is saved; and the ecological environment is protected.

The invention relates to a quenching method of a thin steel plate. The thickness of the steel plate is 4-80 mm. The quenching method comprises the production steps of the heating stage and the water spray cooling stage, wherein a quenching normalizing furnace is adopted at the heating stage; the quenching normalizing furnace adopts a continuous roller hearth type; nitrogen is introduced into the furnace, the heating temperature of the quenching normalizing furnace is 890-910 DEG C, the quenching normalizing furnace conducts heating through upper and lower rows of radiant tubes, and the furnacetemperature fluctuation amplitude of the quenching normalizing furnace is less than 5 DEG C; at the water spray cooling stage, a quenching machine is adopted and is internally provided with pressingrollers in an up-down mode, and the quenching machine operates in a continuous rolled quenching mode; the water spray cooling stage is divided into a winter quenching mode and a summer quenching mode;a medium adopted at the water spray cooling stage belongs to circulating cooling water, and the water temperature of the circulating cooling water is less than 35 DEG C. Through the quenching method,the problem that buckling deformation occurs to the thin steel plate in the quenching process is solved, and the thin steel plate is stable and controllable in quenching straightness.

The invention relates to a heat treatment method for regulating and controlling a microstructure and a microhardness of a near-beta titanium alloy, which comprises the following steps: S1, selecting heat treatment raw materials, and carrying out cogging forging treatment on an alloy cast ingot to form a bar; S2, performing solid solution treatment, specifically, after a heat treatment furnace is heated to +/-50 DEG C near a titanium alloy beta phase transformation temperature of the bar, putting the bar in the heat treatment furnace to be subjected to heat preservation, then quenching the bar,thereby obtaining a sample with a large number of metastable beta phases; and S3, performing subsequent heat treatment, specifically, slowly heating the sample from the room temperature, introducingexternal elastic tensile stress or compressive stress in the heating process, and quenching after the sample reaches the preset temperature. Elastic stress fields act on the Ti-7333 alloy in the heattreatment process, so that refined regulation and control over the microstructure of the Ti-7333 alloy can be achieved, i.e., preferred orientation of an alpha precipitated phase is formed, and the effect of enhancing the microhardness of the near-beta titanium alloy Ti-7333 is achieved.

The invention relates to the technical field of injection molding, in particular to a plastic boat injection molding machine and a preparation method of a single-layer plastic boat. The problems thatthe efficiency of injection molding production of injection-molded boats is poor, the steps of injection molding production of the injection-molded boats are tedious, and inconvenience is caused during production of the injection-molded boats in the prior art are solved. The plastic boat injection molding machine comprises a main control box and an auxiliary frame; a barrel is arranged on one sideof the interior of the main control box; a loading machine is arranged on one side of the barrel; a hydraulic machine is arranged on the other side of the interior of the main control box; and a console is arranged inside the main control box. The final forming quality of the plastic boat can be improved from the source by screening the source materials, the loading and unloading in the whole production process are convenient, and the amount of extruded solution can be adjusted with a computer according to different demands; cooling water is available on the edge of a mold, so that cooling molding is facilitated; in addition, different products can be produced by changing the mold; the machine is convenient to use as a whole; and the preparation method of the plastic boat is efficient, simple and convenient to implement.

A candle holder mount is provided for holding electrical candle simulations firmly to a window sill of a home without the simulated candle being dragged off the sill by the weight of the electrical cord used to power the simulating device. The candle holder mount is affixable to window sills of various materials either in a permanent or removable fashion.

The invention relates to curtain wall panel processing equipment, and provides a curtain wall panel grooving machine. The curtain wall panel grooving machine comprises a machine frame, a conveying mechanism, portal frames arranged on the machine frame, grooving mechanisms arranged on the portal frames, pressing mechanisms arranged on the portal frames and used for pressing curtain wall panels, anda limiting mechanism arranged on the machine frame and used for limiting the movement of the curtain wall panels on the conveying mechanism. Each grooving mechanism comprises a base plate connected to the corresponding portal frame, a first air cylinder arranged on the base plate in parallel, a connecting plate connected to the output end of the first air cylinder and parallel to the base plate,a first motor arranged on the side, away from the base plate, of the connecting plate, and grooving pieces fixed to the connecting plate and driven by the first motor to rotate.

The invention discloses a milling machining clamping device. The device comprises a matching box, wherein a transmission inner cavity is arranged in the matching box, a middle fixing shaft is fixedlyarranged on the lower end face of the matching box, the lower end face of the middle fixing shaft is fixedly provided with a bottom plate, the bottom plate is internally provided with a plurality of side swinging rods in a rotational mode, one sides of the side swinging rods are rotatably provided with movable matching rods, the movable matching rods are internally provided with clamping ejector rods in a rotational mode, and connecting power rods are rotatably arranged between the clamping ejector rods and the side swinging rods. The device is simple in structure, the device adopts the mode through which a clamping arm can be increased, so that the range in which a workpiece can be clamped by the device is expanded, the size range of a machined workpiece clamped by the device is expandedwhile clamping force of the device is improved, so that the efficiency and the working efficiency during milling machining are facilitated, and the clamping feeding and clamping machining are achieved.