277results about How to "No deflection" patented technology

The invention provides an intelligent shuttle capable of running in a three-dimensional way. The intelligent shuttle comprises a shuttle body, a power system, a driving system, a speed-reducing system, a reversing system and a control system, wherein the power system, the driving system, the speed-reducing system, the reversing system and the control system are fixed to the shuttle body; the power system is electrically connected with the control system and the driving system respectively through cables to supply power; the control system is electrically connected with the driving system, the speed-reducing system and the reversing system respectively; the four sides of the bottom of the shuttle body are provided with two wheels respectively; the driving system is in transmission connection with the wheels through the speed-reducing system to supply power to the wheels. The invention further provides a control method of the intelligent shuttle capable of running in a three-dimensional way. The method comprises the following step: receiving a task command through a wireless transceiver by an industrial personal computer, namely, driving the intelligent shuttle capable of running in a three-dimensional way to a goods receiving point for carrying goods and run to a goods unloading point for unloading goods. The intelligent shuttle has the beneficial effects of high running efficiency, high storing capacity and reduction of the investment cost.

The invention provides an automatic calibration device and calibration method for a strain gauge. The automatic calibration device adopts a grating displacement sensor as a standard, a stepper motor for driving, a controller for controlling, reading and processing data, and a closed-loop system is completely adopted, so that full-automatic calibration and detection are realized for the strain gauge, wherein the output accuracy of the grating displacement sensor is 3 mum, so the detection accuracy is guaranteed; a horizontal base is provided with two V-shaped guide rails which are parallel to each other, so that a movable flame can not deflect or tilt when running with load, and the loading capacity and the application range can be improved; and a high-precision ball screw can be guaranteed to transfer enough torsion accurately during the movement process. With the adoption of the method, continuous measurement for multiple positions can be realized, the work efficiency of measurement can be improved, a calibration equation adopts a simple cubic equation, so that the calibration process is greatly simplified, a zero-returning step eliminates an accumulated error caused by long-term work of a controller, and further, the detection accuracy of the method is improved.

A frame of large pellicle comprising a polygonal frame having a plurality of sides, a pellicle film bonded to the upper edge surface of the frame, and an adhesive material applied on the lower edge surface of the frame wherein upon grasping the frame of a large-sized pellicle the longest side of which frame is 1m or longer, the frame has protrusions or recesses for grasping on all sides of the frame. The frame is grasped surely by grasping the protrusions or recesses for grasping at at least one position or more on each side of the frame simultaneously, and the pellicle can be taken out easilyfrom a container without causing distortion or flexure when it is stuck on a photomask, or the like.

The invention relates to a full-automatic assembly production machine for a motor stator. The full-automatic assembly production machine comprises a frame and a distribution control box, a conveying device is arranged on the frame and comprises two feeding devices, feeding blocks are arranged on the feeding devices, transposition cylinders are arranged at ends of the two feeding devices, shell assembly carriers and magnetic tile assembly carriers are arranged on the feeding blocks, a clamp spring feeding device, an oil bearing feeding device, a shell feeding manipulator, a riveting device, a grounding terminal assembly device, a left magnetic tile feeding device, a magnetic tile spring piece feeding device, a right magnetic tile feeding device, a sleeving manipulator, a compression device, a magnetizer and a turnover discharging device are arranged on the frame, the shell feeding manipulator is matched with a shell conveying belt on the frame, and the turnover discharging device is matched with a discharging conveying belt on the frame. Integrated automatic assembly is realized, and assembly efficiency is greatly improved.

The invention provides a carrying platform elevating gear, a reaction cavity, and a plasma processing device. A bracket driving source drives a shaft lifting bracket to do lifting motion. A bellows shaft passes through the shaft lifting bracket and is fixedly connected with the shaft lifting bracket, so as to do lifting motion with the shaft lifting bracket in a linear bearing, thereby realizing lifting motion of the carrying platform which is fixed on the bellows shaft. In the carrying platform elevating gear, a guiding mechanism is used to limit axial rotation of the bellows shaft in a lifting process. The bellows shaft passes through the linear bearing, a guiding shaft installing assembly, and a shaft lifting bracket in sequence. The guiding shaft installing assembly tightly holds the bellows shaft. The upper end of the guiding shaft is fixed on the cavity wall of the reaction cavity. The lower end of the guiding shaft passes through the guiding shaft installing assembly, so that the guiding shaft installing assembly does lifting motion with the shaft lifting bracket along the guiding shaft. The carrying platform elevating gear can limit rotation degree of freedom of a connecting rod, so as to ensure a carrying device from deflecting.

The invention relates to a pipeline delivery pump, which is suitable for the pipeline delivery of crude oil and natural gas and the sea water transportation in long distance in the field of desalination of sea water. The pump comprises a pump body, an impeller, a shaft, a left bearing device and a right bearing device; the impeller is arranged on the shaft in the pump body; two ends of the shaft extending out of the pump body are respectively provided with the left and right bearing devices which are connected with the pump body; the shaft end of the right bearing is connected with the outputshaft of a motor; two ends of the shaft are respectively provided with an axial hole; a shaft platform is arranged on the shafts of the first bearings of the left and right beating devices; and a circular groove is arranged in the middle of the shaft platform; and any part of the circumference of the circle groove is provided with a radial hole communicated with the axial hole. In the invention, the problems of difficult disassemble of the pipeline delivery pump bearing and unbalanced axial force are solved, and the bearing is extremely convenient and rapid to disassemble and maintain, a great amount of time is saved, and the work efficiency is greatly improved; and in addition, the impact of the axial force to the bearing is reduced and the service life of the bearing is improved by improving the structure of the bearing device.

The invention relates to the field of wire-arranging technology of a multi-head wire-rewinding machine, in particular to a wire-arranging mechanism of the multi-head wire-rewinding machine and a numerical control wire-arranging method. The wire-arranging mechanism of the multi-head wire-rewinding machine comprises a stander, a PLC controller, a screw rod driving device, wire-arranging guide wheels, a reversing guide wheel and a wire-arranging guide wheel driving device, wherein the wire-arranging guide wheel driving device is connected with the wire-arranging guide wheels; the screw rod driving device comprises a screw rod, a screw rod nut, an approach switch, two screw rod bearing seats, two synchronous belt pulleys, a synchronous belt and a constant speed motor, wherein the screw rod nut is connected with the wire-arranging guide wheel driving device; the PLC controller is connected with the approach switch and the constant speed motor; and the PLC controller is provided with a forward rotation monitoring timer, a reverse rotating monitoring timer, a millisecond-level reversing timer and a speed increasing and reducing timer. The invention not only reduces the interference amongwires and the production accidents and improves the wire-arranging quality and finished product wire quality, but also simplifies the structure, is easy for operation and reduces the manufacturing and maintaining costs.

The invention relates to a high-speed train-tunnel aerodynamic characteristic movable model experiment system which comprises an air cannon launching device (6), a train model (1), a tunnel model (2) and a guide rail (3) in the tunnel model (2); the section of the cannon tube (4) of the air cannon launching device (6) is in the shape of a gate arch, the shape of the bottom (3') thereof is the same with the shape of the guide rail (3) in the tunnel model (2), and the bottom (3') and the guide rail (3) in the tunnel model (2) are connected into an integrated structure; and the section of the guide rail (3) is in an I-shaped structure, the middle at the bottom of the train model (1) is matched with the I-shaped structure of the guide rail (3), and the train model (1) is embedded on the guide rail (3) in a sliding mode. Through the system, the train model stably runs on the guide rail, the train model has large size and is more approximate to the real state of train running, and the aerodynamic characteristic of a train running in a tunnel can be better simulated and researched.

The invention provides a numerical control rolling machine tool for outer circle rolling machining of a torsion shaft. The numerical control rolling machine tool comprises a machine tool body, an outer circle rolling head, a dual centre locating device, a shifting fork connecting part, an internal spline clamp sleeve, a full closed protection cover, a displacement measurement system, a precise oilmist cooling system, a numerical control system and a hydraulic system. The outer circle rolling head of the machine tool adopts a multi-rolling-wheel symmetric rolling device structure, and when outer circle rolling machining of the torsion shaft is carried out, a workpiece bears multiple equal pressures in the radiation direction; a displacement sensor is mounted in a hydraulic cylinder of theouter circle rolling head, the change value of the rolling diameter in the outer circle rolling process is worked out through the rolling cylinder displacement value fed back by the displacement sensor, and intelligent judgment on the limiting position of the outer circle rolling arc end can be achieved; and the shifting fork connecting part replaces a traditional chuck, a transmission structure is optimized, meanwhile, worker operation is more convenient, the machine tool is more suitable for streamlined production operation, and the rolling machining efficiency is higher.

The invention discloses an electromagnetic drive type magnetic suspension rotating platform which comprises an electromagnetic suspension structure positioned on an outer ring and an electromagnetic drive structure positioned on an inner ring, wherein a rotating platform casing is arranged outside the electromagnetic suspension structure and the electromagnetic drive structure; the electromagnetic suspension structure comprises an annular electromagnetic suspension iron core; a plurality of teeth are symmetrically arranged on the annular electromagnetic suspension iron core along the circumference; an electromagnetic suspension winding is wound on each tooth; a high-precision air gap sensor is arranged at the clearance between every two teeth; an annular suspension conductor plate is arranged above the annular electromagnetic suspension iron core; the electromagnetic suspension structure comprises an annular electromagnetic drive iron core; three groups of teeth are symmetrically arranged on the outer side of the electromagnetic drive iron core along the circumference; the electromagnetic suspension windings are continuously wound on each group of teeth; each group of electromagnetic drive winding is in a link type structure; an annular permanent magnet rotor is arranged outside the annular electromagnetic drive iron core; and a photoelectric encoder is arranged on a rotating shaft of the rotating platform casing. The assembly difficulty is reduced and the manufacturability is improved.

The invention provides an electric water heater and an electric water heater assembly method using a large plastic sleeve. The electric water heater comprises an inner container, an outer shell, a water inlet pipe, a water outlet pipe, a magnesium rod, a water inlet pipe sleeve, a water outlet pipe sleeve and a magnesium rod sleeve. One ends of the various sleeve bodies are narrow-mouthed ends, and the other ends of the various sleeve bodies are flared ends. Each narrow-mouthed end is provided with an inner container follow-shape surface which is characterized that a middle hole edge of the inner container follow-shape surface of each plastic sleeve is provided with a horn-mouth shape elastic cantilever extending inward. The free end of each horn-mouth shape elastic cantilever is a cylindrical installation guide. The water inlet pipe sleeve, the water outlet pipe sleeve and the magnesium rod sleeve are connected into a whole in a sequential and side-by-side mode. The electric water heater is reasonable in structural design, high in installation efficiency and good in tightness. In the electric water heater assembly method using the large plastic sleeve, the separated or integrated large plastic sleeve is firstly clamped on a magnesium rod seat, the water inlet pipe and the water outlet pipe, wherein the magnesium rod seat, the water inlet pipe and the water outlet pipe are arranged outside the inner container. Only once inner container leakage detecting is needed, and thus processing step is simplified, and production efficiency and foaming quality are improved.

The invention relates to eucalyptus vane plywood and a manufacturing method thereof. The eucalyptus vane plywood comprises a core plate and panels adhering to the two surfaces of the core plate. The core plate is composed of three veneers, and core plate adhesives are smeared between every two adjacent veneers. The veneers are eucalyptus veneers formed by rotationally cutting eucalyptus logs. The core plate adhesives are composed of E0 urea formaldehyde resin adhesives, flour, ammonium chloride and ferrous powder in the ratio of 1:0.4:0.006:0.001. The panels are bintangor panels formed by rotationally cutting bintangor logs. Panel adhesives are smeared between the core plate and the panels and are composed of E0 urea formaldehyde resin adhesives and flour in the ratio of 1:0.5. The eucalyptus vane plywood is simple in structure, good in rigidity, free of deformation and cracking, easy to manufacture and capable of effectively reducing the production cost, improving the quality of vanes and prolonging the service life of the vanes.

The invention discloses a pretreatment device for fed materials of an injection molding machine. The pretreatment device comprises a bottom plate (1), a box body (2) is arranged on the bottom plate, and a feeding hopper (3) is arranged above the box body (2). A plurality of iron-made guiding plates (4) are rotatably arranged on the inner side wall of the box body (2), arranged on the two sides ofthe inner side wall of the box body (2) correspondingly and sequentially distributed in a staggered mode from top to bottom. Structures for iron scrap separation are arranged on the iron-made guidingplates (4). Recycling boxes (8) are arranged on the positions, located on the two sides of the box body (2), of the bottom plate (1), and a discharging pipe (9) is arranged on the position, located atan end opening of the iron-made guiding plate (4) on the lowest position, of the bottom plate (1). According to the pretreatment device for the fed materials of the injection molding machine, iron scraps in the fed materials are automatically removed, iron scrap impurities are prevented from entering an injection molding cavity, the product quality is improved, and meanwhile parts in the injection molding cavity can be protected against being damaged.

The invention discloses a feed pretreatment device for an injection molding machine. The feed pretreatment device for the injection molding machine comprises a bottom plate (1), a box body (2) is arranged on the bottom plate, and a feed hopper (3) is arranged above the box body (2); the inner side walls of the box body (2) are provided with a plurality of iron-made guide plates (4) which are sequentially displaced from the top to the bottom, and scrap iron separating devices are correspondingly arranged on the iron-made guide plates (4); and a drying and heating device (6) is disposed, below the iron-made guide plates (4), on the bottom plate (1) and is used for drying and pre-heating injected plastic particles. The feed pretreatment device for the injection molding machine performs pretreatment for the feed of the injection molding machine and drying and preheating for the materials, therefore, the improvement of the efficiency is benefited and the product quality is improved.

The invention provides a processing technology for a metal composite material. The metal composite material comprises reinforcing fibers and a substrate. The processing technology comprises the following steps of: uniformly mixing the reinforcing fibers and substrate powder; and packaging, degassing, and performing hot isostatic pressing to improve the compactness of the composite material. By the processing technology for the metal composite material, a reinforcing material (the fibers, particles or whiskers) can be mixed with the substrate metal powder in any ratio according to the designed performance requirement of the metal-based composite material.

The invention discloses a switch valve with a temperature adjusting function. An inserting hole is formed in a sealing film of the switch valve, and a clamping jaw is arranged on a film support and inserted in the inserting hole of the sealing film; an axial pressure relief hole is formed in the clamping jaw, and a bearing inner cover is mounted on a valve core body; a first spring is mounted between the bearing inner cover and the film support, and a back-pressure cavity is formed between the bearing inner cover and the sealing film; the back-pressure cavity and a water inlet channel communicate through a through hole or an interval, and the lower end of a sealing guide rod is provided with a plug and inserted into the pressure relief hole; the upper end of the sealing guide rod is provided with a pressing structure, and a second spring is mounted between the upper end of the sealing guide rod and the pressing structure; when the sealing guide rod is driven by the pressing structure to move upwards, the pressure relief hole is unblocked through the plug of the sealing guide rod; or when the sealing guide rod is driven by the pressing structure to move downwards, the pressure relief hole is blocked through the plug of the sealing guide rod. According to the switch valve with the temperature adjusting function, when the valve is driven through pressing to be opened or closed, the sealing guide rod of the switch valve cannot deflect, and the sealing effect is good accordingly.

A screen supporting seat comprises a movable connector for connected a screen panel, and is characterized in that the screen supporting seat also comprises a pedestal, the movable connector is directly connected with the pedestal via a hinge to form the screen supporting seat, and the movable connector and the pedestal are both made from polymeric plastic materials. The inventive screen supporting seat, which is assembled by direct hinge connection of the movable connector and the pedestal, replaces polymeric plastic materials for metals as the material for the movable connector and the pedestal, so as to reduce the manufacturing cost of the screen supporting seat by 30-40%, and can still satisfy the connection strength and retain the current angular adjustment function; and no deflection and swinging phenomena take place during service. The inventive screen supporting seat can be used as a bracket for LCD screens with various sizes.

The invention provides a novel tension adjustment mechanism of a multi-wire diamond wire saw. The novel tension adjustment mechanism comprises a plurality of tension adjustment units, and the tension adjustment units comprise tensioning wheels and tension driving devices. Two wire grooves are evenly formed in each tensioning wheel. Each tension adjustment unit is tabular. The tension adjustment units are arranged in rows, the rows of tension adjustment units are arranged in a staggered mode, tension adjustment units in interval rows are in one-to-one correspondence mutually, and the distances between planes where the adjacent wire grooves are located are equal. Therefore, one or two wire grooves of each tension adjustment unit can be selected and used by people, and the positions of beaded wires can be conveniently adjusted. The tension adjustment units are tabular so as to be conveniently and densely arranged in a regular and reasonable mode, space is saved, and regular beaded wire arrangement and aligning are facilitated. Tension adjustment can be conducted on beaded wires respectively or simultaneously, and therefore the beaded wires are strong in flexibility. The number of the beaded wires can be increased or reduced, beaded wire distribution forms can be changed, and distances between the beaded wires can be adjusted to adapt to all kinds of cutting thicknesses.

The invention provides a flat round-corner-shaped bead welding rod having coatings with different thicknesses. The section of a welding core is in a flat round corner shape, the width ratio of the welding core and each flat plane is 1;1.5-3, and the radius of each round corner is half of the thickness of the welding core. The sections of coatings are in different thickness shapes, the thicknesses of the coatings coated on the outside of the two flat planes are 1.6-3 mm, and the thicknesses of the coatings coated on the outside of the two round corners are 1.2-2.0 mm. The flat round-corner-shaped bead welding rod can obviously increase the weight ratio of the coatings of welding rods (effective areas of the coatings coated on the flat-round-corner-shaped welding core having the same section are much larger than that of a round-bar-shaped welding core), and much abrasion-resistant alloy is melted and transited into bead welding joints to improve abrasion-resistant performance. Much alloy material having good electrical conductivity is added to improve melting speed and arc stability of the coatings, and the technical problems that two coatings of the two round corners of the welding rod, on two sides, fall off and are melted incompletely because of ultra-thicknesses of the coatings are resolved.

The invention relates to a gear shaft part comprehensive locking assembler. The gear shaft part comprehensive locking assembler comprises a frame and a power distribution control box; the frame is provided with a locking carrier device matched with a gear shaft; the locking carrier device is matched with a gear sleeving mechanism on the upper side and a short shaft inserting device on the lower side; the frame is provided with a carrier base; a hole with the aperture larger than the diameter of the gear shaft is formed in the center of the carrier base; the carrier base is provided with a fixed clamping block and a movable clamping block matched with each other; the movable clamping block is connected with a movable clamping cylinder on the carrier base; the fixed clamping block and the movable clamping block are matched with a middle fixed block on the gear shaft; and the gear sleeving mechanism, the short shaft pressing mechanism and the movable clamping cylinder are connected to the power distribution control box. The gear shaft part comprehensive locking assembler comprehensively clamps the irregular middle fixed block through the fixed clamping block and the movable clamping block, guarantees no deviation of the gear shaft in the assembly process, and meanwhile, prevents a fixed part from directly acting on the gear shaft to prevent damage of the gear shaft so as to improve the assembly effect.

The invention discloses a device for measuring friction force and film thickness of a lubricating oil film under different surface speeds, and the device comprises an experiment bench which is provided with a translation platform, and the translation platform can move linearly under the drive of a drive device. A main shaft system is arranged on the experiment bench, a glass disc is arranged on the main shaft system, and the glass disc can rotate. An arc-shaped guide rail is arranged on the translation platform. The rotating base is installed on the arc-shaped guide rail and can move along thearc-shaped guide rail, the loading system is installed on the rotating base, a steel ball of the loading system and the glass disc move relatively, and a rotating bearing in the rotating base converts friction force generated by relative movement into pressure which can be collected by a pressure sensor on the rotating base.

The invention provides a wax conveying mechanism for a polishing machine. The wax conveying mechanism for the polishing machine comprises a support. A pushing device, a stabilization rack and a power device are arranged on the support, wherein the pushing device is used for pushing rod wax to move to be in friction with a cloth roller, the stabilization rack is used for keeping the rod wax stable, and the power device is used for driving the pushing device and the stabilization rack to be mutually matched. The stabilization rack is connected with the power device through a positioning mechanism and the power device drives the stabilization rack and the rod wax to move in the same direction. The special pushing device is used for fixing the rod wax and making the rod wax continuously be in contact with or abut against the cloth roller, the special stabilization rack is arranged for the rod wax, the rod wax is protected in a reinforced mode and is not prone to breakage, and it is required that the stabilization rack protects the rod wax and cannot block normal movement of the rod wax. When the cloth roller and the rod wax are consumed and shortened, both the rod wax and the stabilization rack move downwards, and it is guaranteed that only a small section of the rod wax is exposed out of the stabilization rack. Thus, the stabilization rack and the pushing device are kept to move in the same direction.