55results about How to "Reduce the difficulty of placement" patented technology

The invention relates to a method for determining lifting force and resistance moment of a spiral wing. According to the method, firstly, a laser three-dimensional imaging method based on a cooperative target is utilized for scanning to obtain three-dimensional point cloud of the spiral wing, and then, the feature of centrosymmetry of the spiral wing is utilized for analyzing one blade. Firstly, the blade is divided into n equal parts, next, the geometric feature of each part is extracted, in addition, the lifting force coefficient and the resistance coefficient are calculated, then, the lifting force coefficients of each part are superimposed, the resistance coefficients are superimposed, and the lifting force coefficient and the resistance coefficient of the spiral wing are obtained. Finally, the lifting force coefficient and the resistance coefficient are substituted into a spiral wing lifting force and angular velocity relational expression deduced according to an air resistance model and a received resistance moment and angular velocity relational expression of the spiral wing, and the lifting force and resistance moment of a spiral wing can be determined. The method has the advantages that the spiral wings in any shapes can be scanned, in addition, the lifting force and angular velocity relationship and the resistance moment and angular velocity relationship of the spiral wing is given, and wide applicability is realized.

The invention discloses an environment-friendly dish-washing machine, comprising a box body, wherein an upper injection unit and a lower injection unit are arranged at the upper end and the lower end in the box body; a heating device and an air-drying device are arranged at the bottom and the top in the box body; sterilizing devices are arranged on two lateral walls of the box body; a first shelving unit and a second shelving unit are arranged in the box body, and each of the first and second shelving units comprises two opposite frames; a rotational scrubbing unit and a vibrating scrubbing unit are respectively arranged between the two opposite frames of each of the first and second shelving units; a first lead rail is arranged at the bottom of each frame; each frame is composed of a plurality of layers of parallel elastic clamping layers; each elastic clamping layer is provided with a plurality of clamping springs; a plurality of grid grooves are formed between two frames on the contrary; two sides of the bottom of each grid groove are movably connected with a second lead rail; the second lead rails are fixedly arranged on the side surfaces of the frames. The environment-friendly dish-washing machine is convenient to push and pull, clean in cleaning, good in drying and air-drying effect, free of bacterial residue, thorough in sterilizing, convenient to insert, firm, and free of a dead angle in injection, and cleaned tableware is healthy and sanitary.

The invention discloses an angle-adjustable chamfering tool, and relates to the technical field of turning and milling tools. The chamfering tool comprises a tool body, a tool apron, a blade, an adjusting screw rod, a rotating screw and a locking mechanism; an arc-shaped installation groove used for installing the tool apron is formed in the tool body, and the tool apron is rotationally connectedwith the tool body through a positioning circular boss and the rotating screw and fixed to the tool body through the locking mechanism; threads matched with the adjusting screw rod are arranged on theouter circular surface of the tool apron, so that the adjusting screw rod is in threaded fit with the tool apron to realize transmission connection; and the blade is detachably connected to the toolapron, main scale marks ranging from 0 degree to 90 degrees are arranged on the arc-shaped edge, making contact with the tool apron, of the tool body, and vernier scale marks corresponding to the mainscale marks are arranged on the tool apron. By means of the technical scheme, stepless accurate angle adjustment of the chamfering tool within the angle range of 0 degree to 90 degrees can be achieved, the application range of the chamfering tool is effectively widened, and the product machining quality is guaranteed; and meanwhile, the structure is simple, manufacturing is convenient, enterprisecost is reduced, and practicability is good.

The invention provides a steel tube bundling device. The steel tube bundling device comprises a base, first bundling supporting frames, fixed rods and second bundling supporting frames, wherein every two fixed rods as one group are fixed at each of two ends of the base, one right-angle side of each second bundling supporting frame is connected with one fixed rod and can rotate around the fixed rod, the other right-angle side of each second bundling supporting frame is positioned above the right-angle side, every two first bundling supporting frames as one group are fixed on the base, one right-angle side of each first bundling supporting frame is fixed with the base, the fixed sides in the same group are parallel to each other or on a same straight line, two inclined sides are opposite to each other, the fixed sides in different groups are parallel to each other, one side of the base is provided with a plurality of bundling rods, bundling belts are connected with one ends of the bundling rods, and a baffle plate is arranged at the edge of the rear end of the base and is parallel to the fixed sides of the first bundling supporting frames. As the second bundling supporting frames can rotate, the second bundling supporting frames can be rotated to other directions at the beginning of the placement of steel tubes, so that the placement difficulty can be reduced, and the working efficiency can be improved. As the combination shape of the bundling supporting frames can be adjusted, the storage space can be increased, and the safety hidden trouble can be eliminated.

The invention discloses a convenient machine tool for aluminum alloy plate machining. The convenient machine tool comprises a machine base. The middle portion of the top end of the machine base is slidably connected with a workbench. The top of the outer surface of the machine base is movably connected with a portal frame. The middle portion of one end of the portal frame is movably connected witha spindle box. A movable taking mechanism is fixedly mounted on one side of the bottom of the front side of the machine base. Through a fixed plate, a master connecting plate, a stand column and a locating ring, a sliding block can slide and rotate conveniently, and the moving and rotating difficulty of the stand column is reduced. The convenient machine tool is provided with a driven sliding groove, a sliding bar and a main lead screw. The sliding bar can move conveniently, and the moving difficulty of the sliding bar is reduced. The convenient machine tool can adsorb aluminum alloy plates in different parts of the interior of the machine base. Meanwhile, through a lifting cylinder, a slave connecting plate, an air pump, suction pipes, connecting pipes, vacuum suckers, fixed blocks and control switches, the aluminum alloy plates inside the machine base can be taken conveniently, and the taking difficulty of the aluminum alloy plates inside the machine base is reduced.

The invention relates to high-precision land consolidation surveying and mapping equipment, which comprises a tripod, a supporting box is welded to the middle of the top end of the tripod, a paper placing plate is embedded into the middle of the front face of the supporting box, a positioning rod is welded to the position, located on one side of the top end of the paper placing plate, of the frontface of the supporting box, and notches are symmetrically formed in the edges of the bottom end of the positioning rod. A spring column is fixedly installed in the middle of the inner wall of the notch, connecting round rods are symmetrically welded to one ends of the positioning rods, and moving strips are slidably connected to the outer surfaces of the connecting round rods, drawing paper can be conveniently placed through the paper placing plate, the positioning rods, the notch, the spring column, the connecting round rods, the moving strips and an arc-shaped plate, and the placing difficulty of the drawing paper is reduced. Meanwhile, drawing paper with different thicknesses can be extruded and fixed, the drawing paper can be conveniently arranged, wrinkles on the surface of the drawing paper are reduced, drawing of personnel is facilitated, and the drawing difficulty is reduced.

The invention discloses a high stability shading adhesive tape and a processing method thereof. The high stability shading adhesive tape comprises at least one shading tape, at least one hot melt adhesive parallel to the extension direction of the shading adhesive and transparent double faced adhesive tapes located on the outer sides of two ends of the hot melt adhesive. One adhesive sides of theshading adhesive, the hot melt adhesive and the double faced adhesive tape are covered by a supporting film while the other adhesive faces are covered by a handle film, and the peeling force of the handle film is greater than that of the supporting film. According to the scheme, the high stability shading adhesive tape integrates the shading adhesives and the hot melt adhesive effectively into anintegrated structure, and a plurality of adhesives can be attached by one-time operation, so that the efficiency is high. The defect that the weather resistance of the shading adhesives is poor is supplemented by means of the characteristics of the hot melt adhesive fully, so that stable bonding is guaranteed, and the probability of degumming the shading adhesives is avoided. By adding the doublefaced adhesive tape, the hot melt adhesive at constant temperature clings to a to-be-adhered element stably during attachment, and the position precision is guaranteed, thereby providing guarantee tobonding the hot melt adhesive in a follow-up process, and the pasting difficulty is reduced.

The invention discloses a building construction drilling machine with a correction function. The building construction drilling machine with the correction function comprises a punching machine base body, a limiting protection mechanism is fixedly installed on the edge of one end of the punching machine base body, positioning clamping mechanisms are symmetrically installed on the two sides of the back face of the limiting protection mechanism, a protection bearing mechanism is welded to the bottom of one end of the punching machine base body, an oil tank is installed at the bottom end of the punching machine base body, and a supporting assembly is installed at the position, corresponding to the bottom end of the oil tank, of the bottom end of the punching machine base body. Through the limiting protection mechanism, secondary fixing of a drill bit can be facilitated, so that connection between the drill bit and a punching machine is more stable, and shaking of the drill bit in the operation process is reduced; and meanwhile through an outer conical cover, the stability between the punching machine and a wall is improved, so that shaking of the punching machine during operation is reduced, operation of the drilling machine is facilitated, interference of shaking of the punching machine during operation on drilling of the wall is reduced, and drilling treatment on the wall is facilitated.

The invention relates to an introducer for a laparoscopic surgery puncture outfit, which consists of an outer guide pipe (12) and an inner push rod (11), wherein the outer guide pipe (12) is provided with an upper horn-shaped opening; the lower end part of the outer guide pipe (12) is an asymmetric slope-shaped opening; and the outer wall of the outer guide pipe (12) is provided with a guide slot (15) from top to bottom. According to the newly designed syringe-like introducer, the required installation action requirement can be simply and conveniently finished so as to satisfy a higher clinic requirement.

The manipulator comprises the suction cup, the suction cup is used for adsorbing a wafer based on the Bernoulli principle, the suction cup is provided with a first surface and a second surface which are opposite and comprises a metal suction cup body, and the first surface of the metal suction cup body is covered with an insulating layer and provided with a plurality of air holes. The suction cup further comprises a plurality of insulation check blocks distributed in the circumferential direction of the metal suction cup body, the insulation check blocks are used for limiting the periphery of the wafer, all the insulation check blocks are connected with the metal suction cup body through a conductive layer, and the conductive layer is used for making contact with the edge of the wafer. By means of the configuration, it can be ensured that the suction cup successfully releases the wafer after vacuum release, and the risk of wafer breakage is reduced.

The invention discloses a VPA antiallergic factor natural plant composition which is composed of the four natural plant extracts of oat, calendula, chamomile and liquorice in percentage by weight: 20-35% of oat, 20-35% of calendula, 20-35% of chamomile and 20-35% of liquorice. The composition is scientific and reasonable in structure and safe and convenient to use. Tests prove that the natural plant extract composition has the effect of resisting skin allergy and can be used for cosmetics or therapeutic drugs for skin care, related components have the characteristics of definite effect, good safety, no side effect and stability in a cosmetic formula in comparison with existing similar products.

The invention discloses an annular strain gauge for a hole drilling method, and belongs to the technical field of civil and mechanical engineering. The annular strain gauge comprises resistance wires and an insulating base, the resistance wires are arranged on the insulating base in a circularly winding mode, and a drilling marker is reserved in the circle center of the resistance wires. By means of the annular strain gauge, free surface mounting can be achieved, testing difficulty of a hole drilling method by means of traditional strain gauges can be effectively reduced, and an error caused by surface mounting deviation can be eliminated.

The invention provides a portable diagnosis and treatment device for cardiovascular medicine, and relates to the technical field of medical equipment.The portable diagnosis and treatment device comprises a sterile containing device, an equipment storage device and a blood sample collecting device, and the equipment storage device and the blood sample collecting device are both placed in the sterile containing device; the sterile containing device comprises a storage chamber, a disinfection chamber, a partition layer and a standby battery, and the storage chamber is located on one side of the sterile containing device. According to the instrument storage device, the limiting pipe is used for storing various treatment instruments, the spine type fixing layer arranged in the limiting pipe can form various different shapes to fix the instruments through the contact panel and the clamping auxiliary frames on the two sides, and the length of the fixing layer is controlled by controlling the number of segmented ports; various instruments such as test tubes, syringes, stethoscopes, sphygmomanometers, small breathing machines and the like can be stably clamped and fixed, and the variety range of the instruments capable of being stored by the storage device is greatly expanded.

The invention provides a gynecological secretion sampling device, belonging to the field of medical instruments. The gynecological secretion sampling device comprises an auxiliary module and a sampling module, wherein the auxiliary module is configured to extend into the vagina, cling to the wall of the vagina in the vagina and enable the vagina tissue to elastically expand to form a barrier-free tunnel; the sampling module is configured to pass through the barrier-free tunnel to arrive at a preset place to obtain a sample and return through the barrier-free tunnel after the sample is obtained; and the auxiliary module comprises a stretching-in module and a supporting mechanism. According to the device, the stretching-in module is arranged to place the supporting mechanism into the vagina, and then the supporting mechanism is filled, so discomfort in a placement process can be effectively reduced, and placement difficulty is reduced; and by arranging the sampling mechanism and the auxiliary module which are split, repeated use can be avoided, and good practicability is achieved.

The invention relates to a temporary cardiac pacemaker implantation device through the median elbow vein, which comprises an indwelling needle, a guide wire, a sheathing canal, a pacing electrode lead, a movable clamp and a suture needle with thread. The implantation device can be used by the medical staff to implant the temporary cardiac pacemaker electrode from the median elbow vein of a patient, which reduces the implantation difficulty of the temporary cardiac pacemaker by the medical staff and reduces the complication risk and the inconvenience of the patient due to implantation of the temporary cardiac pacemaker.

The invention discloses a workpiece feeding mechanism for a vacuum coating machine. A machine body, sliding rails, fixing bolts, limiting baffles, a conveying belt, sliding blocks, a bearing table, anembedding groove, a containing disc, an embedding block, a fixing block, a friction pad and a containing table are included. The sliding rails are fixed to the two sides of the upper end of the machine body. The fixing bolts are arranged at the two ends of the inner sides of the sliding rails. The limiting baffles are distributed on the two sides of the middle portion of the machine body. The conveying belt is arranged on the inner sides of the limiting baffles. The tops of the upper ends of the sliding rails are in sliding connection with the sliding blocks, and the bearing table is fixed tothe inner sides of the sliding blocks. The workpiece feeding mechanism for the vacuum coating machine is provided with the sliding rails, the sliding rails are symmetrically distributed along the center line position of the machine body, the whole sliding rails and the machine body are connected together through screw fastening, and a connecting mechanism of the workpiece feeding mechanism is stable. Meanwhile, the effect of separation of the sliding rails and the machine body can be achieved through fixing bolt unscrewing, the dismounting and mounting manner is extremely simple, and a user conveniently conducts overhauling and checking.