254results about How to "Avoid direct action" patented technology

A damper is comprised of an actuator (A) connected to a sprung member (B) side of a vehicle, the actuator (A) including a motion converting mechanism (T) for transforming a linear motion into a rotational motion and a motor (M) to which the rotational motion resulting from the transformation by the motion converting mechanism (T) is transmitted; a hydraulic damper (E) including a cylinder (C), a piston (P) inserted slidably into the cylinder (C) and defining two pressure chambers within the cylinder (C), and a rod (R) connected at one end thereof to the piston (P), wherein a linear motion of the actuator (A) being transmitted to one of the rod (R) and the cylinder (C) while the other of the rod (R) and the cylinder (C) being connected to an unsprung member (W) side of the vehicle; and biasing means (1, 2, X, Y, Z) for biasing the hydraulic damper (E) in both compressing and extending directions.

A damper is comprised of an actuator (A) connected to a sprung member (B) side of a vehicle, the actuator (A) including a motion converting mechanism (T) for transforming a linear motion into a rotational motion and a motor (M) to which the rotational motion resulting from the transformation by the motion converting mechanism (T) is transmitted; a hydraulic damper (E) including a cylinder (C), a piston (P) inserted slidably into the cylinder (C) and defining two pressure chambers within the cylinder (C), and a rod (R) connected at one end thereof to the piston (P), wherein a linear motion of the actuator (A) being transmitted to one of the rod (R) and the cylinder (C) while the other of the rod (R) and the cylinder (C) being connected to an unsprung member (W) side of the vehicle; and biasing means (1, 2, X, Y, Z) for biasing the hydraulic damper (E) in both compressing and extending directions.

The invention discloses a shaft-mounted brake disc module for a high-speed train. The module comprises brake discs, a support disc and a disc hub; two sets of brake discs are provided, are coaxially laminated on the disc surfaces on the two sides of the support disc, and are clamped and locked with the support disc through first connecting structures; the brake discs are composite material brake discs with smooth disc surfaces on two sides; heat dissipating structures are arranged on the disc surfaces on the two sides of the support disc, and are laminated with the brake discs to form heat dissipating channels; and a connecting flange is arranged on an inner ring of the support disc, and is fixedly sleeved with the disc hub through a second connecting structure. Compared with a traditionaloverall brake disc, the module has the characteristics of simple structure, reliable connection, high-temperature resistance, convenience to maintain, light weight and good braking effect, reduces the energy consumption in operation and braking of the high-speed train, realizes application of a composite friction material to a high-speed train braking system, and greatly saves the high-speed train company operation and maintenance costs.

The invention discloses a microwave thermal excitation system used for detecting or repairing damages of a composite material. The microwave thermal excitation system comprises a microwave power supply, a current controller, a magnetron, a waveguide, a microwave radiation antenna, and a microwave energy converter arranged near the microwave radiation antenna, which are connected in sequence, wherein the current controller is connected with a microwave controller by a lead wire; and the microwave energy converter comprises a silicon rubber base body and micro-wave absorption materials which are uniformly distributed in the silicon rubber base body. The invention further provides a method for carrying out thermal excitation on the composite material by using the microwave thermal excitation system.

Disclosed are an air-oxygen mixing airway for a respirator, the respirator and a method. The air-oxygen mixing airway comprises an anti-turbulence member and an air-oxygen mixing cavity, the anti-turbulence member comprises an oxygen way and an air way, two ends of the air way are open, the left end of the oxygen way is closed while the right end of the same is provided with an oxygen barrier piece, and an oxygen inlet is arranged on the outer side of the oxygen barrier piece. The respirator comprises an oxygen way, an air way and an air-oxygen mixing chamber provided with the air-oxygen mixing airway, an oxygen miniature proportional valve, an oxygen flow sensor and an air intercepting member are arranged on the oxygen way, a fan, an air pressure adjusting valve, an air flow sensor and an air intercepting member are arranged on the air way, and opening degree of the oxygen valve is adjusted to adjust oxygen flowing speed according to oxygen concentration of mixed gas needing to be output and air flowing speed measured by the air flow sensor. The anti-turbulence member is adopted in the air-oxygen mixing airway, and can cooperate with the flow sensors which are high in accuracy and low in power consumption, and the oxygen barrier piece is utilized, so that accuracy of air-oxygen mixed gas can be improved.

The invention belongs to the technical field of agricultural machines, and particularly relates to a combing-brush profile-modeling fructus-lycii picking tail-end executor. The combing-brush profile-modeling fructus-lycii picking tail-end executor comprises a main shaft and groove cams connected to the two ends of the main shaft. A plurality of picking fingers are hinged to the middle of the mainshaft, and are combined together to be in emission shapes from inside to outside, a ring of cam groove is formed in the inner side of the each groove cam in a milled mode, and cam driven bearings arearranged in the cam grooves and can freely roll along the cam groove; pressing plates are installed between the corresponding cam driven bearings on the two groove cams, a plurality of holes are formed in the pressing plates, each picking finger penetrates through the middle of each hole, the picking fingers are driven to rotate when the main shaft rotates, and drive the pressing plates to rotate,the holes in the pressing plates slide up and down at the lower ends of the picking fingers, and therefore gap changes between the picking fingers are oppressed. The structure is simple, the cost islow, and mature fruits can be effectively screened and picked; the breakage rate of fructus lycii is greatly reduced; meanwhile, friction force between the picking fingers and the fructus lycii is enlarged, and the net picking rate is guaranteed.

The invention discloses a moxibustion instrument, in particular relaes to a moxibustion instrument for the moxibustion. The moxibustion instrument comprises an instrument body made of woodblock stonematerials and a cover detachably connected with the instrument body; the instrument body and the cover form a combustion chamber, and the combustion chamber is communicated with outside by a hole forthe insertion of a moxa roll located at the bottom of the cover, pores uniformly distributed on the circumference of the hole and at least two side holes located at the side surface of the combustionchamber; a base is provided with a groove with an opening facing towards the surface of the moxibustion surface; the upper bottom of the groove is provided with a through hole coaxial with the hole; and a drug containing cylinder mould with an opening at the upper end is embedded in the through hole. The invention provides the moxibustion instrument with good moxibustion effect and convenient drugapplication, and well utilizes the heat generated by combusting the moxa rolls.

The invention discloses a machining tool suitable for a shaft workpiece, and belongs to the field of machining tools. The machining tool comprises a plurality of adjusting bolts and a shaft sleeve used for being installed outside the to-be-machined shaft workpiece in a sleeving manner; the inner diameter of the shaft sleeve is larger than the outer diameter of the to-be-machined shaft workpiece, flange structures are arranged at the two ends of the shaft sleeve, and screw holes matched with the adjusting bolts are formed in the circumferential wall of each flange structure in the circumferential direction; the adjusting bolts are inserted into the shaft sleeve through the screw holes, and the thread length of the adjusting bolts is larger than the wall thickness of the flange structures; and during machining, the shaft sleeve is fixedly installed on the outer side of the to-be-machined shaft workpiece through the multiple adjusting bolts, a center support is arranged outside the shaft sleeve in a sleeving manner, the distance between the two flange structures is larger than the length of the center support, and one end, abutting against the to-be-machined shaft workpiece, of each adjusting bolt is of a spherical surface structure. The machining tool can be used for guaranteeing the coaxiality of the outer circle of the machined workpiece and machined inner holes; and due to the fact the center support is prevented from being directly acting on the outer circle of the workpiece, the machining tool can be used for protecting the surface of the outer circle of the workpiece during machining.

The invention discloses a 360-degree complete cycle type LED lamp filament based on purple light chips. The 360-degree complete cycle type LED lamp filament based on the purple light chips is composed of a substrate, the chips, transparent silica gel, inorganic nanoparticles and phosphor gel; the phosphor gel is formed by organic silicon resin, multicolor phosphor and coupling agents through an injection moulding process, and is arranged on the outer side of the transparent silica gel. The chips are the purple light chips, the emission wavelength range is 360-410 nm, the chips are fixed to one face or the obverse side and the reverse side of the substrate, the inorganic nanoparticles are TiO2 or ZrO2, the particle size is 10-100 nm, the inorganic nanoparticles are distributed in the transparent silica gel, the multicolor phosphor is red, green and blue mixed phosphor of a phosphate or silicate system, and the coupling agents are silane coupling agents. The 360-degree complete cycle type LED lamp filament based on the purple light chips has the advantages of being high in color reduction degree, even and soft in light color, capable of emitting light by 360 degrees, high in light emitting efficiency, and the like.

The invention discloses a device for a low-temperature stretching test of a metal material. The device comprises a box body device for containing samples, a liquid nitrogen device system for cooling and a temperature control system for controlling the test temperature, wherein the box body device comprises an inner layer, a middle protection layer, an outer layer, a base and a box cover; the liquid nitrogen device system comprises a liquid nitrogen tank, a guide pipe, a guide pipe interface, an internal liquid nitrogen pipe, a gasification net and a liquid discharging valve; the temperature control system consists of a temperature sensor and a temperature control adjustment system. The device is simple and convenient to operate, reasonable in design, uniform in temperature and accurate in test results, can be used for accurately controlling the test temperature to range from 0 DEG C to minus 196 DEG C, omitting the trouble of modifying an existing stretching test machine and saving the cost, and is safe and efficient.

The invention discloses a soil conditioner as well as preparation and application thereof. The soil conditioner is prepared from biomass charcoal, an oxidizing agent, an iron-containing inorganic matter and a binder in proportion through the steps of burdening, oxidizing agent particle preparation, biomass charcoal-iron-containing inorganic matter wrapping, drying and the like. The soil conditioner can effectively remove allelochemicals in continuous cropping soil, improve the physical and chemical properties of the soil, regulate and control the microbial structure of the soil, reduce soil-borne diseases, improve the yield and quality of vegetable crops such as tomatoes and cucumbers, and provide effective technical support for sustainable development of green agriculture.

The invention discloses a three-dimensional magnetic induction intensity measurement coil for an ultra-high-speed collision magnetic field, and belongs to the technical field of measurement of impact dynamics. The measurement coil comprises a spherical frame and three annular coils, wherein the spherical frame is in a sphere shape, three annular grooves which are perpendicular to one another are formed in the surface of the spherical frame in the radial direction, the depths of the three annular grooves decrease in sequence, the three annular coils wind the three annular grooves correspondingly and are independent of one another, each coil is connected with one BNC plug, and the BNC plugs are connected with three external data collection channels which are independent of one another. The three coils which are perpendicular to one another spatially are adopted to obtain the magnetic induction intensity of a certain spatial point in three directions, the magnetic field information of a measured point is known comprehensively, and interference and errors for research of the collision magnetic field are avoided; the measured coil induction electromotive force signals are synchronous in time, and a measurement result is more accurate. The three-dimensional magnetic induction intensity measurement coil for the ultra-high-speed collision magnetic field is simple in design, easy in operation and capable of being recycled.

The invention relates to the technical field of element detecting, in particular to a non-standard-sample calibration method adopting a femtosecond plasma channel breakdown spectroscopy. The calculation method includes the following steps that A1, a femtosecond pulse laser transmitted by a laser transmitting module passes a focusing module to form multi-beam femtosecond chevilled silks; A2, an X element with known concentration is added on a sample selected from to-be-tested samples, the femtosecond chevilled silks are used for acting on the sample added with the X element, and relation of spectral line signal strength and concentration of the X element in the to-be-tested sample is obtained; and A3, tested spectral line signal strength of the X element and concentration of the X element in a characteristic spectral line signal of the to-be-tested samples are combined, thus universal relation of spectral line signal strength and concentration of the X element in the to-be-tested samplecan be obtained, and non-standard-sample calibrating is realized, wherein the characteristic spectral line signal of the sample in the step A2 does not contain a characteristic signal of the X element. According to the non-standard-sample calibration method adopting the femtosecond plasma channel breakdown spectroscopy, the matrix effect can be overcome, and non-standard-sample concentration calibrating for testing elements is realized.

The invention discloses a homeostatic center support device and belongs to the field of support machinery. The center support device comprises a fixed base, a hydraulic device and two rollers. The hydraulic device is connected with the fixed base through a hanging plate; the center support device also comprises an M-shaped support structure formed by sequentially hinging 4 support plates, meanwhile, the 4 support plates are respectively hinged with the fixed base, the two rollers and a piston rod of the hydraulic device; the hydraulic device is movably connected with the fixed base; and the piston rod of the hydraulic device can drive the support structure to move. The center support device can meet the requirements of the support machinery during the process of screw thread production of the tube product line, reasonably resolve the gravity and the unbalanced forces of the tubes and avoid the direct action of the irregular alternating stress on the hydraulic device as well as the damage of the unbalanced force to the hydraulic device resulted from the position deviation between the fixed base and the hydraulic device and prolong the service life of the hydraulic device.

The invention provides an implanted energy collection device. A buffer air bag is arranged on a packaged friction nanometer power generator, comprises an elastic telescopic structure and is connected with a space between two friction layers of the friction nanometer power generator via an air hole or an independently-designed gas passage; when the fiction layers of the friction nanometer power generator are in contact with each other by an effect of an external force, a gas between the two friction layers enters the buffer air bag to be temporarily stored via the air hole or the gas passage; and when the external force is removed, the temporarily-stored gas can be automatically discharged to the space between the two friction layers by the buffer air bag, and the fiction layers are helped to complete separation action. With the energy collection device structure provided by the invention, contact and separation can be effectively completed by the friction nanometer power generator to achieve normal output performance, a direct effect of an internal gas on a package layer is also prevented, and the stability of the device is improved.

The invention discloses a violence destroy preventing knob lock cylinder. The violence destroy preventing knob lock cylinder comprises an inner lock head body, an outer lock head body and an unlockingpoking wheel; the inner lock head body and the outer lock head body are connected through a connecting block therebetween; an outer lock liner is arranged in the outer lock head body; an inner lock liner is arranged in the inner lock head body; the unlocking poking wheel is clamped between an inner side end of the outer lock liner and an inner side end of the inner lock liner; the axial inner side end of the inner lock liner is in locking connection with the unlocking poking wheel; a knob is fixedly arranged at the axial outer side end of the inner lock liner; and the knob inner lock liner istwisted to rotate to drive rotation of the unlocking poking wheel to realize unlocking. Under the condition of violence destroy, the lock cylinder is prevented from directly acting on a lock body after destroy through a reasonable connecting structure; and through a clutch self-locking structure, after the external of the lock cylinder is damaged, a poking wheel locks an inner clutch and links with the inner lock head body through a clutch. Meanwhile, a knob is the same in normal use method; and as an unlocking button is provided, when the external of the lock cylinder is damaged, the unlocking button is pressed down.

The invention discloses a GaN-based nanorod LED epitaxial wafer growing on a silicon / graphene composite substrate and a preparation method of the GaN-based nanorod LED epitaxial wafer. The GaN-based nanorod LED epitaxial wafer comprises non-doped GaN nanorods growing on the silicon / graphene composite substrate, n-type doped GaN layers growing on the non-doped GaN nanorods, InGaN / GaN quantum wellsgrowing on the n-type doped GaN layers and p-type doped GaN layers growing on the InGaN / GaN quantum wells. The preparation method of the GaN-based nanorod LED epitaxial wafer has the advantages of simple growth process and low preparation cost, and the prepared LED epitaxial wafer is low in defect density, good in crystallization quality and good in electrical property and optical property.

An opening is formed in a ceiling lining of a vehicle cabin part. The diameter of the opening in the ceiling lining is smaller than a diameter of a speaker, which has a frame. The speaker is disposed at the opening, and a fixing screw is inserted into a fixing aperture formed in a central part of the speaker. A fixing screw is screwed to a screw hole formed in a reinforcing brace positioned at an inner side of a top plate proximate the ceiling of the vehicle. A central part of the speaker is fixed to the reinforcing brace while a circumferential periphery of the frame is pressed against a peripheral edge of the opening in the ceiling lining via a frame interposing material.

A single-phase electric furnace transformer is provided according to the basic principle of the invention, comprising: a single magnetic core, said magnetic core comprising two side columns and at least one main column; a main transformer, comprising a first primary side winding and a first secondary side winding which are disposed on said at least one main column, wherein said first primary side winding consists of a first winding and a second winding which are connected in series with each other; and a voltage regulating autotransformer, which is disposed on one of two side columns of said magnetic core, and which comprises a second primary side winding and a second secondary side winding, wherein said second secondary side winding is an adjustable winding having on-load tap switch, and said adjustable winding is connected in series between the first winding and the second winding of said main transformer. The direct effect on the regulating winding and the regulating switch by the over-voltage of the grid can be avoided in the single-phase electric furnace transformer of the invention, and the voltage between two terminals of the primary winding of the main transformer can be reduced. Furthermore, the winding of the voltage regulating transformer is disposed on the side column of the main transformer in the invention, so that the material and the transformer loss can be reduced, and the installation space of the transformer can be decreased.

The invention discloses a waterproof packaging structure of a dynode photomultiplier. The waterproof packaging structure includes a metal casing, a glue pouring casing, a first plug block, a second plug block and casting glue, wherein the metal casing is a bottomed straight tube structure with a big end up diameter, the glue pouring casing is erected in the metal casing, a lower end of the first plug block is erected on a step of the metal casing through structural glue, an upper end is in soft connection with the bottom of the dynode photomultiplier, and the metal casing is divided into upperand lower chambers. The waterproof packaging structure is advantaged in that the metal casing for accommodating the bottom of the dynode photomultiplier is arranged and is internally provided with the casting glue in soft contact with a dynode lead-out portion, the casting glue is cast in an open environment to prevent bubble generation, a sealing layer is wrapped outside, direct action of the water pressure on the bottom lead-out portion of the dynode photomultiplier can be avoided, glass crushing is prevented, the waterproof effect is good, the structure is stable, and products can operateunder the water for a long time.

The invention relates to a biliary tract support, which comprises tubular main body made from the material matched with body; the first protruded ring, the second protruded ring, and the extending part far away the second protruded ring, wherein the invention can avoid stitching match open, to save time, avoid directly function biliary tract match open with bile, without leakage, confirm enough blood supply, confirm successful flow of bile, and improve treatment effect.

The invention discloses a power device for an automatic chuck of a lathe, which comprises a spindle box, a hollow spindle arranged in the spindle box, a chuck ejector rod fixed in the hollow spindle through a belleville spring, a reverse buckling ring fixed at the rear end of the hollow spindle, a jaw which is clamped and sleeved on the reverse buckling ring, a hydraulic cylinder fixedly connected with the jaw, a centring sleeve arranged on the outer surface of the jaw in a clearance mode, a fixing seat and a sliding sleeve. The power device for the elastic chuck of the high precision lathe of the invention has the characteristics of simple and reliable structure, high controllability, high rotation precision of a spindle bearing and the spindle and no generation of an additional force under the working condition, can well meet process implementation requirements and has application in processing industries of automobile parts, precision electronic machines, electronic components, ceramic components and the like.

The invention discloses a quick response shock wave filter suitable for quasi-static pressure measurement, comprising a substrate (1), air inlet holes (2), a cavity chamber (3), a buffer gasket (4), and a pressure sensor (5). The substrate (1) is a step-shaped column with a blind hole inside. The blind hole inside the small step section is the cavity chamber (3). The air inlet holes (2) are arranged in the end face. The hole in the large step section is provided with an internal thread for installing the pressure sensor (5). Internal explosion high-pressure gas enters the cavity chamber (3) via the air inlet holes (2) and converges, and then acts on the pressure sensor (5) to get the quasi-static pressure. The advantages are as follows: the pressure transfer time is shortened while shock wave high-frequency component filtering is realized; a measured value closer to the real rise time of quasi-static pressure is obtained; and the sensor is protected from direct impact of high-pressure gas through air flow guiding and converging.

The invention relates to fault water outburst and mud outburst simulation equipment and a test method. The equipment comprises a shell, an axial loading system, a water pressure loading system, a confining pressure loading system and a fault mold, wherein the lower part of the shell is provided with an outlet portion, and the outlet portion is provided with a baffle plate provided with a plurality of holes; the axial loading system is used for carrying out axial loading on a filling medium of a fault and comprises a pressure head; the water pressure loading system is used for applying water pressure to the filling medium, and comprises a water inlet passage which penetrates through the internal part of the head pressure and is connected to a pressure chamber; the confining pressure loading system is used for applying confining pressure to the filling medium, and comprises an annular hydraulic chamber which is arranged in the shell along the circumferential direction, and the inner wall of the annular hydraulic chamber is made of an elastic material; the fault mold is arranged in an elastic annular sleeve in the pressure chamber, the outer wall of the fault mold is tightly attached to the inner wall of the annular hydraulic chamber, and the internal part form a space used for accommodating the filling medium of the fault; the oil storage amount in the annular cavity is increased so as to enable the inner wall of the annular cavity to expand inwards, the filling medium is extruded through the fault mold, and thus applying of the confining pressure is realized.

The invention discloses an anti-erosion power-level slide valve in a hydraulic servo valve. The anti-erosion power-level slide valve is characterized in that a high-pressure oil port filter (26) is mounted at an inlet of an oil port P (28); a flow guide groove (32) is formed in the position, close to a valve port (33), of a valve element (1), and a flow guide terrace (31) is arranged on a valve sleeve (2); an oil port A (24) and an oil port T (19) form a valve port (23), a flow guide groove (21) is formed in the position, close to the valve port (23), of the valve element (1), and a flow guideterrace (22) is formed in the valve sleeve (2); an oil port B (14) and the oil port T (19) form a valve port (17), a flow guide groove (18) is formed in position, close to the valve port (17), of thevalve element (1), and a flow guide terrace (16) is arranged on the valve sleeve (2); and an oil port P (28) and the oil port B (14) form a valve port (11), a flow guide groove (12) is formed in theposition, close to the valve port (11), of the valve element (1), and a flow guide terrace (13) is arranged on the valve sleeve (2).

The invention discloses an architectural engineering construction on-site protective shed which is composed of a basic structure and a force unloading structure. The basic mechanism is composed of a steel structure bracket and a fixed protective layer to form a supporting frame and the most basic head top protection measure; the force unloading structure comprises a first movable plate, a second movable plate and springs which connect the first movable plate and the second movable plate with the fixed protective layer, and thus an energy absorbing structure is formed; in addition, the force unloading structure further comprises long strip holes and sliding rods which are formed / arranged on the lower portions of the first movable plate and the second movable plate; and the stroke of a falling object is enlarged in collision through sliding of the sliding rods along the long strip holes, so that mutual interaction force in collision is reduced. The beneficial effects of the architectural engineering construction on-site protective shed can be known according to detail description of the scheme, the structure is simple, the design is reasonable, when the falling object in the high place falls down, the force unloading structure can dissolve the impact force of the falling object, and the situation that impact force of the falling object penetrates through the top protection is avoided.