140results about How to "Guaranteed freedom of movement" patented technology

A method for programming a hearing device is described, in which audio data and programming data is transmitted from a programming device to the hearing device, with the audio data and the programming data being converted into data packets and transmitted via a common channel of a digital radio connection from the programming device to the hearing device.

The invention belongs to the pipe support field and specifically discloses a pipe single-arm sliding/guiding support component, which includes a pipe clip to clip the pipe and a single-arm structural beam; one end of the single-arm structural beam is fixedly connected with a single-rail sliding limit component so that the single-arm structural beam can be fixed on a post, a wall or a floor, etc.; the pipe clip is connected with the other end of the single-arm structural beam by a pipe connecting component to realize the sliding/guiding limitation required by the pipe. The support component provided by the invention occupies smaller area, and is convenient to arrange, and is not limited by the distance from the pipe to the support root, which reduces the unfavorable influence on the pipe caused by the friction between the support component and the unfavorable influence on the heat insulation of the pipe caused by the support.

The invention discloses a laminar shear box device for a supergravity-field vibration table test. A main body is a shear box formed by laminating 20 layers of rectangular aluminum alloy frames of equal thicknesses; the layers are connected with one another through a rolling shaft; horizontal displacement sensors are arranged on the upper 19 layers through bolts; the periphery of a shear frame is provided with a rigid support frame, which comprises a displacement sensor fixture, a guide post and a static post; the guide post and a top plate are provided with frame guide wheels; a rubber film is arranged on the inner side of the shear box; a drainage system is arranged in a bottom plate of the shear box; and the bottom plate is fixed on a vibration table during testing. In the invention, the behavior of a semi-infinite site soil body can be simulated through a model of a definite size. The laminar shear box device has the characteristics of simple structure and convenience for installing and applying.

A weight losing system for lower limb patient rehabilitation training comprises a system support device, a treadmill training platform device and a control device. The system support device is fixed to the two sides of the treadmill training platform device and comprises vertical supports, a weight losing platform support, a guardrail and adjusting supporting frames, the guardrail is installed on the inner side of the corresponding vertical support through the corresponding adjusting supporting frame, and the weight losing platform support is connected with the upper portions of the vertical supports and is rectangular. The treadmill training platform device comprises a training platform and a drive motor controlled through the control device. The system is characterized in that the system further comprises a follow-up weight losing platform device fixed to the upper portion of the weight losing platform support; the control device is used for controlling movements of the follow-up weight losing platform device and the treadmill training platform device; the control device is provided with a constant-force weight losing control program and a speed control program for the treadmill training platform device and the follow-up weight losing platform device.

The invention discloses a dynamic vibration absorber for hoisting process. The dynamic absorber comprises a casing and connectors which are arranged on the periphery of the casing. A mass block and supporting structures are arranged inside the casing; the mass block is slidably supported by the supporting structures. A plurality of vibration absorption damper sets are connected to the periphery of the mass block. Each vibration absorption damper set comprises a hydraulic damper and an air spring arranged side by side; one end of the hydraulic damper is hinged to the outer wall of the mass block while the other end of the hydraulic damper is hinged to the inner wall of the casing, and axes of hinges at two ends are both perpendicular to the supporting surface of the corresponding supporting structure; one end of the air spring is connected to the outer wall of the mass block while the other end of the air spring is connected to the inner wall of the casing; the vibration absorber damper further comprises a hydraulic damping regulator and an air spring regulator. Hinged connection among the hydraulic dampers, the mass block and the casing provides a guarantee to free movement of the mass block on the supporting structure so that multi-direction vibration absorption effect in the same plane is achieved. Besides, both damping factor and elasticity coefficient are adjustable so that the dynamic vibration absorber can be applied widely on conditions of different wind loads and different sections.

The invention discloses a well completion pipe string comprising a bushing. Two floating couplings are arranged on a horizontal section of the bushing. Each floating coupling comprises a shell, an upper slide sleeve and a lower slide sleeve, the upper slide sleeve comprises a communication portion and a shear portion, the shear portion is supported on the upper section of the inner wall of the shell through an upper shear pin, the lower slide sleeve is supported on the lower section of the inner wall of the shell through a lower shear pin, the communication portion is disposed in the lower slide sleeve, and a discharge hole is formed in the communication portion; an annular steady flow groove is formed in the upper end face of the shear portion, and the width of the steady flow groove decreases axially along the shear portion. The floating couplings are arranged on the bushing to enable the bushing to be filled with air; since the bushing below the floating couplings is filled with air, after the section of the bushing enters a horizontal well section, gravity acting on the horizontal well wall is reduced, friction force between the bushing and the well wall is reduced accordingly, thrust pushing the bushing forward is reduced, and accordingly quality of well cementation of the horizontal section is improved beneficially, and convenience is brought to the bushing to lower to the design position.

The invention discloses a rotary disc type solid-state laser. The solid-state laser comprises a pump source (80), a coupling system (81), a gain medium (10) and a water cooling mechanism (101), wherein the pump source (80), the coupling system (81) and the gain medium (10) are in optical path connection in sequence, the pump light of the pump source (80) shoots into a gain region (104) at the edgeof the gain medium (10), the gain medium (10) rotates around the center of the gain region (104), and the direction of the gain medium (10) is kept unchanged at the same time; and the side surface ofthe gain medium (10) is sealed in the water cooling mechanism (101) and directly contacted with a cooling liquid in the water cooling mechanism (101) so as to take away heat in the gain medium (10).The invention further discloses a water cooling method of the laser. According to the solid-state laser of the invention, a water-cooled disc replaces a fixed gain medium of the general end-pumped laser, so that the injection pump power is greatly improved. Meanwhile, the thermal effect bottleneck of the solid-state laser is avoided, and the output power of the laser and the amplification rate ofa laser amplifier are greatly improved.

The invention relates to a polyethylene ion permeable membrane and a preparation method thereof, comprising the following materials by weight part: 30-35 parts of silicon dioxide, 10-15 parts of polyethylene, 1-1.5 parts of color batch, 50-55 parts of stuffing bulking agents, and 0.1-0.2 part of antioxidant; the materials are uniformly mixed in a material mixing system, the mixed material is fed to a double screw extrusion machine uniformly through a discharging machine, and the material is discharged after being pressurized and melted by the double screw extrusion machine; the discharged mixture is formed by a forming machine, the formed semi-finished polyethylene ion permeable membrane is arranged in an oil extractor which is filled with trichloroethylene, so as to carry out oil control to the permeable membrane; the permeable membrane after oil control is carried out is dried, surface-activated, rolled and post-processed for obtaining finished products. The method has the advantages of low electric resistance, small bore diameter, high aperture ratio, uniform pore distribution; the permeable membrane has strong anti-piercing performance, corrosion resisting performance and oxidation resistance, and the whole production process is clean without pollution.

A stuffing machine for filling concrete plate along stone dyke is composed by machine body and two wheels on body's two sides. The body includes a motor, which is connected through a speed regulator to screw extruder in a hopper, at least one heater along the material moving line, a mode head at the hopper outlet for shape control of extruded material.

The invention relates to the field of radiation biological effect research of whole body irradiation, in particular to a point source irradiating method and tool for chronic irradiation of animals in batch experiments. Animals are placed in an annular cage and can move relatively free in the cage, simultaneously, a radioactive source is arranged at the center position of the annular cage for irradiating the animals in the cage for regular time, and the animals in different positions of the cage can receive irradiation of equal dosage rate. The point source irradiating method and tool solves the problem demanding prompt solution in chronic low-dosage irradiation experiments and enables experiment results to be accurate and reasonable.

The invention relates to the technical field of realizing synchronous measurement of deformation and direction of motion by adopting an optical fiber device, and in particular relates to a composite optical fiber detection module which is simple and convenient to apply, and simultaneously eliminates the bond stress influence of a grouting material on optical fibers. According to the technical scheme disclosed by the invention, the optical fiber compound sensing module comprises a base material, wherein the surface of the base material is provided with the optical fibers; a sleeve I is sleevedon the optical fibers; the sleeve I comprises a free section and an anchoring section which is anchored on the base material; a sleeve II is arranged outside the sleeve I at the free section; and thesleeve I at the anchoring section is provided with the anchoring block which is used for anchoring. According to the invention, one optical fiber is arranged on each surface of the base material, high initial measuring accuracy, large measuring stroke and dynamic range and the judgment of load direction can be realized, additionally the free motion of the optical fibers can be ensured without theinfluence by the bond stress of the grouting material, and the deformation of measured objects and other information can be monitored synchronously.

The invention belongs to the field of domestic soybean milk machine equipment, and particularly relates to a coaxial dual-spiral domestic soybean milk machine head. The coaxial dual-spiral domestic soybean milk machine head comprises that a handle is fixed above the soybean milk machine head, a control system is arranged in the soybean milk machine head, a motor is connected with a transmission shaft, a reverse transmission device is arranged in the soybean milk machine head, a sleeve is arranged on the reverse transmission device, the lower end of the sleeve is provided with a lip-shaped seal ring, a reverse blade is fixed at the lower end of the sleeve, and a forward blade is fixed at the lower end of the transmission shaft and is fixed by a locknut. The coaxial dual-spiral domestic soybean milk machine head is simple in structure and high in pertinence, dual-direction rotation of two blades can be realized on the same motor transmission shaft, the shearing effect of beans is improved, the milk making effect of the soybean milk is improved and the coaxial dual-spiral domestic soybean milk machine head has wide market application value.

The invention relates to a medical experimental tool, in particular to a rotary continuous venous transfusing device for a small animal model, which is suitable for performing long-term durable and effective venous transfusion on a small medical experimental animal without influencing free movement of the small experimental animal in the medical experimental process. The device is formed by connecting a disposable transfusing apparatus, a heparin cap, a disposable injector needle tube and a disposable injector needle head in series in sequence, and is connected with a silicone tube; one end of a spring protecting sleeve is fixedly connected to the needle head; the needle cap is sleeved into the needle head which is connected with the silicone tube and the spring protecting sleeve; the center of a plastic fixing plate is provided with a recess; the center of the recess is provided with a hole; a hollow rivet is fixedly connected with the other end of the spring protecting sleeve by passing through the central hole of the plastic fixing plate; a triangular gap is cut on the side wall of the needle tube; and standby needle holes are formed on the periphery of the plastic fixing plate.

The invention discloses an underwater gas collection device which belongs to the field of diving equipment. The underwater gas collection device consists of a gas storage tank (1), a water sucking tank (13), a water discharge tank (9), a piston component (11) as well as valves and pipelines for connecting the tanks, wherein an air sealed space above the water discharge tank (9) is communicated with a space at the upper part of the water sucking tank (13) through a pipeline with a one-way valve; the lower part of the water discharge tank (9) is communicated with seawater through a water discharge pipeline with another one-way valve; a liquid part tank body at the lower part of the water discharge tank (9) is communicated with a liquid part tank body at the lower part of the water sucking tank (13) through a pipeline with another one-way valve; the tank body at the upper part of the water discharge tank (9) is communicated with the gas storage tank (1) through a gas storage tank inlet pipeline with another one-way valve; a switch valve is arranged on a gas inlet pipeline close to the gas storage tank (1); a water inlet pipeline with a depressurizing valve (3) and an overflowing valve (2) is arranged below the water sucking tank (13). A piston in a crankshaft sliding block mechanism is driven by a motor to move so as to change the pressure intensity inside the tank body, and the purpose of extracting air in water is achieved.

The invention relates to a broke-line groove cable arrangement device. The broke-line groove cable arrangement device comprises a left support, a right support, a horizontal guide shaft, a bidirectional broke-line screw, a movable frame, a movement and guide device and a manual clutch. The horizontal guide shaft is arranged on the lower portion of the left support and the lower portion of the right support and fixed to a shaft shoulder through a shaft end baffle. The bidirectional broke-line screw is arranged on the upper portion of the left support and the upper portion of the right support. The movable frame is connected to the bidirectional broke-line screw and the horizontal guide shaft. The movement and guide device is arranged on the movable frame and connected with the bidirectional broke-line screw in a matched mode. The manual clutch is arranged on the bidirectional broke-line screw. According to the broke-line groove cable arrangement device, a linear groove and spiral groove combined mode is adopted for the bidirectional broke-line screw, three rhombus guide sliding blocks are adopted for the movement and guide device to slide on grooves, and it is guaranteed that a rolling bearing enters a right groove rail at the interaction positions of forward grooves and reverse grooves; a broke-line groove cable arrangement mode is adopted, and the device is compact in structure, easy to machine and capable of well solving the cable winding problem.

The invention provides a wall-climbing paint spraying robot. The robot can move stably along a metal wall, smooth and uniform spraying is ensured, labor costs are reduced, and spraying effect is ensured. A control module is installed in a concave supporting frame of a connecting module. The connecting module further comprises a first vertical plate and a second vertical plate. The exposed end surface of the first vertical plate is fixedly connected with a convex rotating shaft. The rotating shaft is arranged perpendicular to the first vertical plate. Bearings respectively sleeves both ends ofthe rotating shaft in the length direction. A floating shaft module particularly comprises a floating shaft frame. The floating shaft frame is provided with a through avoidance hole at a position corresponding to the rotating shaft. The floating shaft frame sleeves the outer rings of the bearings on the corresponding sides. Traveling wheels respectively sleeves two sides of the floating shaft frame through rotating bearings. The exposed end surface of the second vertical plate is fixedly connected to a connecting vertical plate of a fixed shaft module. The fixed shaft module particularly comprises a fixed shaft frame. The fixed shaft frame is provided with a connecting vertical plate at a position corresponding to the second vertical plate.

The invention provides a magnetic coupling. The magnetic coupling comprises: a driving rotor which is provided with a first permanent magnet; a driven rotor provided with a second permanent magnet forming magnetic coupling with the first permanent magnet, wherein an air gap is formed between the first permanent magnet and the second permanent magnet, and the number of magnetic pole pairs of the first permanent magnet and the second permanent magnet is n; a connecting structure which is fixedly arranged on one of the driving rotor and the driven rotor and can rotate relative to the driven rotoror the driving rotor; and a limiting structure arranged on the other one of the driving rotor and the driven rotor, wherein the limiting structure enables the rotating angle of the connecting structure relative to the driven rotor or the driving rotor to be smaller than or equal to 180/n degrees. When a load exceeds the maximum magnetic torque capable of being transmitted between the driving rotor and the driven rotor, the connecting structure can provide extra mechanical contact torque force for the driven rotor through the effect of the limiting structure, and the phenomenon of overload slipping when peak load occurs between the driving rotor and the driven rotor can be avoided.

The present invention discloses a similarity law design method for a free flight test of an aircraft mounted separation wind tunnel. The method comprises: based on that angular displacements of the wind tunnel test separation trajectory and the real aircraft separation motion trajectory are equal, deriving a relation between the time reduction ratio kt and the mass reduction ratio km; (2) according to the similarity between horizontal line displacements of the wind tunnel test separation trajectory and the real aircraft separation motion trajectory, calculating the mass reduction ratio km; (3)according to the similarity between vertical displacements of the wind tunnel test separation trajectory and the real aircraft separation motion trajectory, deriving the relation between the wind tunnel test model initial separation velocity v0m and the real aircraft separation motion time ts; and (4) when the real aircraft separation distance is the separation influence critical distance, substituting the corresponding real aircraft separation motion time ts into the relation between the model initial separation velocity v0m and the real aircraft separation motion time ts so as to determinethe final model initial separation velocity v0m. According to the method provided by the present invention, the non-correspondence between the model line displacement and the angular displacement is reduced, and the reliability of the test is improved.

The invention relates to an anti-clogging sampling structure and a sampling probe with the same and a sampling system with the sampling probe. According to the anti-clogging sampling structure, an elastic device is arranged in an anti-clogging sampling channel, a puncture head is connected to one end of the elastic device, and the other end of the elastic device is always in an inner tube during the sampling process. A certain space always exists between the elastic device and the inner wall of an outer tube to prevent the size of tissue adsorbed into the anti-clogging sampling channel duringthe sampling process from exceeding the size of the anti-clogging sampling channel, so that the anti-clogging effect is achieved. The anti-clogging sampling structure further includes two fluid flow channels, the two fluid flow channels are disposed at both ends of a sampling tank, and the tissue is fixed by negative pressure suction. The anti-clogging sampling structure and the sampling probe with the same and the sampling system with the sampling probe have the beneficial effects that through the arrangement of the elastic device and the two fluid flow channels, the anti-clogging performanceof the channel is effectively improved, the integrity of tissue cutting is ensured, the functions of tissue adsorption, rotary cutting sampling, and surgical site irrigation are combined together, and the one-time success rate of a surgery is improved.

The invention provides a vibration cable, which comprises a sheath layer, a shielding layer, a polyester film layer, an insulator, a signal line and bare conductors, wherein the shielding layer, the polyester film layer and the insulator are coaxially sleeved with the sheath layer in sequence from outside to inside; a parallel integrated signal line is arranged at the center of the insulator; grooves are formed in the outer edge of the insulator at two ends of the parallel integrated signal line; a rigid lining laminated with the wall of each groove is arranged in the groove; each bare conductor is sleeved with one rigid lining; the cross section area of each rigid lining is greater than that of the corresponding bare conductor; and arc-shaped internal shielding layers are embedded into the insulator between the parallel integrated signal line and the bare conductors in a manner of mirror symmetry separately. The vibration cable has the advantages and beneficial effects that the free movement spaces of the bare conductors are ensured and the influences of bending and extruding of the cable are avoided; mutual interference between the two bare conductors and the interference from anexternal signal are effectively reduced by the arc-shaped internal shielding layers and the reliability of the cable is ensured; and meanwhile, multiple signals can be transmitted through the four-core signal line.