512results about How to "Reliable structure" patented technology

The invention relates to simulation equipment for ground integrated dynamic analog after a flexible solar wing is installed on a moonlet, in particular to a ground microgravity dynamic loading simulation mechanism for a satellite. The ground microgravity dynamic loading simulation mechanism for the satellite comprises a marble platform, a five-degree-of-freedom air-floating platform, a three-degree-of-freedom hoist, a two-dimensional servo platform, a Stewart platform, a constant force hanging mechanism, a solar wing follow truss and a loading mechanical arm. The three-degree-of-freedom hoist is arranged above the marble platform, a truss is arranged below the three-degree-of-freedom hoist, the two-dimensional servo platform and the Stewart platform are installed below the truss, the solar wing follow truss is installed below the Stewart platform, the loading mechanical arm is installed on the solar wing follow truss, the five-degree-of-freedom air-floating platform is placed on the marble platform, and a solar wing is installed on the five-degree-of-freedom air-floating platform. The constant force hanging mechanism is installed below the two-dimensional servo platform and is in spherical hinge connection with the center of mass of the solar wing. The ground microgravity dynamic loading simulation mechanism for the satellite has the advantages of being reliable in structure, accurate in pose following, complete and vivid in simulation, controllable in disturbance loading, safe to operate and the like.

The invention discloses a single stand column plane coordinate mechanical arm of a box filler. The single stand column plane coordinate mechanical arm of the box filler comprises a support stand column, a horizontal beam and a bottle grasping mechanical arm, wherein the support stand column and horizontal beam are perpendicularly arranged with each other. A lifting driving device capable of driving a lifting beam to move vertically is arranged on the support stand column. A translation driving device capable of driving the bottle grasping mechanical arm to move along the horizontal beam back and forth is arranged on the horizontal beam. A box-filling bottle-grasping mechanism with a plurality of grabs is arranged at the outer end of the bottle grasping mechanical arm. The structure of each grab comprises a support sleeve, a grab shell is arranged on the bottom portion of the support sleeve, a bottle grasping cavity with a horn-shaped bottle grasping opening is arranged inside the grab shell, a piston cavity is formed between the piston of the bottle grasping cavity and the bottle grasping cavity, the piston cavity is communicated with an air inlet channel, and an O-shaped spring is arranged on the inner wall of the grab shell on the top portion of the horn-shaped bottle grasping opening. After compressed air is injected into the air inlet channel, the piston can move downward until the bottom portion of the piston extrudes the outside of the O-shaped spring inwards to enable the inner ring of the O-shaped spring to be reduced and clamp the bottleneck of a bottle.

The invention discloses a tamping machine for civil engineering. The tamping machine for civil engineering comprises a supporting seat, wherein the supporting seat is fixedly connected with a supporting plate in the vertical direction; the supporting plate is slidably connected with a right-angled carrying plate through a vertical slide track; and a tamping part is arranged on the right-angled carrying plate. By the tamping machine, the ground can be effectively tamped and flattened. The tamping machine for civil engineering has the advantages of stable and reliable structure and convenience in use.

The invention provides a displacement-crawler-type pipe dredging robot. The displacement-crawler-type pipe dredging robot comprises a dredging reamer mechanism, a displacement-type crawler chassis anda hydraulic mechanism, wherein the dredging reamer mechanism comprises a reamer and a first hydraulic motor which are rotationally connected; the displacement-type crawler chassis comprises two walking crawlers which are oppositely arranged and a crawler support, the walking crawlers comprise crawlers, driving wheels and guiding wheels, the crawlers surround the driving wheels and the guiding wheels, the driving wheels are rotationally connected with a second hydraulic motor, the crawler support comprises a beam hinged to the upper ends of the two guiding wheels and a longitudinal beam provided with slanting adjusting hydraulic cylinders, and the two ends of the slanting adjusting hydraulic cylinders are hinged to the lower ends of the longitudinal beam and the guiding wheels; the hydraulic mechanism comprises a hydraulic oil tank, a variable pump and a multi-way valve which are sequentially connected through a pipe, the variable pump is rotationally connected with a motor, the motordrives the variable pump to suck hydraulic oil in the hydraulic oil tank to the multi-way valve, and the hydraulic oil flows to the first hydraulic motor, the second hydraulic motor and the two slanting adjusting hydraulic cylinders through dividing. The displacement-crawler-type pipe dredging robot has the advantages that the displacement-type crawler chassis is adopted, slant angles of the walking crawlers can be adjusted, and the displacement-crawler-type pipe dredging robot is suitable for cleaning of pipes with different pipe parameters.

The invention relates to an adjustment device of an adjustable roller frame, comprising a first silk pole and a second silk pole, wherein the first silk pole and the second silk pole are axially and fixedly connected through a connecting sleeve, a screw thread direction of the first silk pole is reverse to that of the second silk pole, a matched first screw nut is arranged on the first silk pole in a sleeved way, the outer end of the first silk pole is supported on a first bearing seat, a matched second screw nut is arranged on the second silk pole in the sleeved way, the outer end of the second silk pole is supported on a second bearing seat, and a hand wheel is installed at the outer end of the second silk pole. In the invention, two silk poles with reverse screw thread directions are adopted to drive the corresponding screw nut to move, thereby driving two rollers to move; the invention has the advantages of simple and reliable structure as well as convenient installation and maintenance; the invention can enable the two rollers to simultaneously move toward the middle part or both sides with accurate adjustment; the silk poles are supported on the bearing seats, are flexible to rotate and can simultaneously bear the tension and the thrust.

The invention discloses a self-adapting general chamfering device for clamping a sliding chute. The chamfering device comprises a first pressing hoop for a machine tool cutter clamping sleeve, a second pressing hoop for the machine tool cutter clamping sleeve and a slidable chamfering cutter body, wherein the first pressing hoop for the machine tool cutter clamping sleeve and the second pressing hoop for the machine tool cutter clamping sleeve are connected by virtue of a rotary center shaft so as to form a hinge-type clamping device and are provided with machine tool cutter clamping grooves; the slidable chamfering cutter body is arranged in the machine tool cutter clamping grooves; one end of the slidable chamfering cutter body is always contacted with the machine tool cutter clamping grooves, and the other end of the slidable chamfering cutter body is exposed to the exteriors of the machine tool cutter clamping grooves; the end surface of the slidable chamfering cutter body is provided with a special hard chamfering cutter which extends into a cutter chip groove and is not contacted with a machine tool cutter. The self-adapting general chamfering device is applicable to various machine tool cutters, is free from cutter replacement and working standard change during mechanical processing such as drilling, turning, milling, boring and grinding, is capable of synchronously finishing main body processing and chamfering at a step, greatly improving the processing efficiency and the product quality, and is convenient in use, reliable in structure and obvious in economic benefits.

The invention discloses an electrically controlled limit device for preventing excessive automatic steering of an automobile. The electrically controlled limit device includes a limit device, a sensor and a controller, wherein the limit device is arranged between a steering wheel and wheels, and used for selectively limiting the steering angle of the steering wheel; the sensor is used for obtaining the steering angle of the steering wheel and a torque transmitted between the wheels and the steering wheel; the controller is configured to control the limit device to limit the steering of the steering wheel according to the steering angle and the torque obtained by the sensor. The electrically controlled limit device is additionally mounted on a steering shaft, so as to prevent accidental large-angle deflections of the wheels under ground impact, and improve the automobile traveling safety. The device adopting the technical scheme achieves rapider judgment and lower manufacturing cost, and can prevent the phenomenon that when a driver carelessly reduces the torque of holding the steering wheel, large-angle automatic steering of the automobile is caused by road disturbances; meanwhile, when the driver is able to or resume to control the steering, the device can voluntarily withdraw from the interference, so as to avoid interfering the steering control of the driver.

The invention discloses an electro-hydraulic driving setting tool which comprises an upper connector, a balancing piston, a cylinder barrel, a pump station system, an acting cylinder, an inner sleeve and an outer sleeve, wherein the upper connector is located at the top of the cylinder barrel and is connected with a ground power supply; the balancing piston is sleeved in the cylinder barrel in a sliding form; the balancing piston, the cylinder barrel and the acting cylinder at the bottom of the cylinder barrel form a sealed cavity which is served as a system oil tank; the pump station system is located in the cavity and is used for outputting high-pressure oil for the acting cylinder; the upper part of the inner sleeve is connected with the bottom of the acting cylinder barrel of the acting cylinder through a thread; the lower part of the inner sleeve is connected with a spindle of a packer; the outer sleeve is sleeved on the inner sleeve in a sliding form and is connected with a piston rod of the acting cylinder through a connecting device; the outer sleeve is connected with an expandable compressing part of an external packer; and the piston rod drives the outer sleeve to carry out a setting operation under the effect of hydraulic pressure. The electro-hydraulic driving setting tool provided by the invention can supply a bigger axial thrust to an expandable packer and is recoverable and reusable; the axial thrust can be changed according to different well conditions; and the electro-hydraulic driving setting tool is suitable for any packer.

The invention relates to an optical cross connection device for core nodes of an optical burst switching network, which comprises a service source module, wherein the service source module is connected with a control module through a BCP channel and is connected with an optical cross connection module through an optical emission module; the optical cross connection module is controlled by the control module; a first demultiplexer and a first multiplexer are arranged in the optical cross connection module, and the first demultiplexer is connected with the first multiplexer through a channel unit; the channel unit comprises transmission channels which are in one-to-one correspondence with the wavelengths of BDP data; the control module comprises an identification unit and an analysis unit; a wavelength conversion unit is arranged in the optical cross connection module, one output end of the channel unit is connected with the input end of the wavelength conversion unit, and the output end of the wavelength conversion unit is connected with one output end of the channel unit; and the analysis unit is respectively connected with the channel unit and the wavelength conversion unit. The invention has the advantages of strong anti-congestion ability, simple structure and low cost.

The invention is applicable to the field of the touch screens and provides a capacitive touch screen. The capacitive touch screen comprises a panel layer, a composite touch electrode layer and a protective layer, all of which are orderly stacked on each other; the panel layer is provided with a window touch region; the composite touch electrode layer comprises at least two layers of transparent conductive films in the range of the window touch region and a layer of transparent insulating film formed between every two layers of transparent conductive films; the composite touch electrode layer is electrically connected with a flexible circuit board by use of leading-out wire layers. The capacitive touch screen is characterized in that for the electrode structure, the composite touch electrode is adopted, in other words, complete and mutually independent sensing electrode and drive electrode film structure layers, and respective leading-out wire layers are fabricated on one singe panel, and the electrode patterns and wiring are thoroughly optimized; meanwhile, the capacitive touch screen has the characteristics of light and thin product, material saving and high light transmittance; the traditional stack structure and preparation method of the touch electrode of the capacitive screen are broken through, and a flexible, efficient, quick and reliable fabrication process is adopted.

The invention discloses an electric shock preventing device and an electric shock preventing method for an advertising board in a rainy day. The electric shock preventing device comprises a control unit, a power supply switching unit, a rain quantity sensor and a rain quantity measuring unit, wherein signal output ends of the rain quantity sensor and the rain quantity measuring unit are connected with a control input end of the control unit; a control output end of the control unit is in control connection with the power supply switching unit; the power supply switching unit comprises a storage battery and a relay main contact switch which is connected with a power supply loop of an advertising board lamp in series; and the storage battery is connected between the advertising board lamp and the relay main contact switch in parallel. According to the electric shock preventing device and the electric shock preventing method for the advertising board in the rainy day disclosed by the invention, a lamp power supply in the advertising board can be automatically opened and closed according to the rain quantity so as to effectively guarantee that people are safe when getting close to the advertising board, and prevent an electric shock accident from happening; the power supply switching unit can close the power supply of the advertising board lamp and the power is supplied to the control unit of the electric shock preventing device of the advertising board in the rainy day by the storage battery after raining. The device is simple and reliable in structure and is stable in performance.

An installing assembly provided with a radiator fan and applied to an LED display device comprises a rail beam (12), a lower idler wheel (13), an upper idler wheel (14), an LED display device installing and connecting part (261) and a driving box (27). The rail beam is fixed to a building (1201), extends outwards in a cantilever manner and is provided with an upper rail groove (120) and a lower rail groove (120); the lower idler wheel and the upper idler wheel can roll in the two rail grooves (120); and the LED display device installing and connecting part and the driving box are respectively connected to the two sides of the lower idler wheel (13) and the two sides of the upper idler wheel (14).

The invention discloses a light airscrew flying wing aircraft capable of taking off and landing in short distance. The light flying wing is characterized by comprising a fuselage (11), wings (6, 7), two piston type engines, and two airscrews (4) respectively driven by two piston type engines, wherein each wing comprises a straight wing inner section (6) and a backswept and dihedral wing external section (7), the two piston type engines are respectively arranged in engine cars (5) below the straight wing inner sections (6) at two sides to avoid the interference of the above airflow. The light airscrew flying wing aircraft provided by the invention has the advantages that the excellent aerodynamic performance of a flying wing type aircraft is inherited by using the wing and fuselage fusion technique, the high-speed cruise performance is guaranteed; the short-distance taking off and landing ability is realized by comprehensively using slip-flow deflection power lift augmentation technique and strake wing technique, the requirement on ground field is greatly reduced; and the layout is simple in structure, less in control surface, easy to realize and maintain, and low in cost. An engine connecting shaft and a motor-driven ducted fan / airscrew can guarantee the high reliability of the aircraft, and the air safety is guaranteed.

The invention relates to the technical field of radio frequency identification and provides an electronic tag inlay, a processing method of the electronic tag inlay and an electronic tag. The electronic tag inlay comprises a dielectric slab, a chip, an antenna, a protective material and a protective sheath, wherein a bonding pad is arranged on the dielectric slab, the chip and the antenna are respectively connected with the dielectric slab to achieve electrical breakover of the chip and the antenna, the protective material is packaged in the dielectric slab and the chip, connected to the outside of the antenna on the dielectric slab and used for sealing the chip, the dielectric slab and a connecting position of the chip and the antenna and bearing external force impact, and the protective sheath is located outside the protective material, wraps the dielectric slab, the chip, the antenna and the protective material and is used for preventing an outside environment from interfering the chip, the dielectric slab and the connecting position of the chip and the antenna and enhancing the structural strength of the electronic tag inlay. The electronic tag inlay is reliable in structure, high in strength and capable of being bent or stretched.

The invention relates to a flashlight having a warning function, which comprises a flashlight main body, a lamp holder with a reflector, and an illuminator. The bottom of the reflector is provided with an opening matched with the illuminator and comprises a cylindrical lens between the lamp holder and the flashlight main body, and a lamp socket in sliding connection with the flashlight main body, wherein the illuminator is arranged on the head part of the lamp socket. One light source can realize the illuminating and warning functions and the warning angle is 360 degrees due to the cylindrical lens between the lamp holder and the flashlight main body and the lamp socket in sliding connection with the flashlight main body. The flashlight having the warning function of the invention has the advantages of simple and reliable structure, low cost and the like.

The invention provides a detection sensor support which is arranged on a main body of an intelligent pig for petroleum pipelines and characterized in that: the detection sensor support consists of a sensor box, a Y-shaped support, an installing base of the Y-shaped support and a spring, wherein, the Y-shaped support is used for supporting the sensor box, the installing base of the Y-shaped support is used for arranging the detection sensor support on the main body of the intelligent pig, the spring includes a support spring and a pullback spring, and the two ends of the support spring are respectively connected with the installing base of the Y-shaped support and the Y-shaped support; the detection sensor support causes a detection sensor to realize the anticipated functions of pasting tightly, avoiding and detecting by the coordination of various components.

The invention is applicable to the field of a shock absorption structure, and discloses a shock absorber and a lamp using the same. The shock absorber comprises a shell assembly, a connecting rod, a first elastic component, a second elastic component and a shock transmission component, wherein the shell assembly comprises an upper shell and a base plate, the upper shell is fixedly connected with the base plate to form a cavity, the first elastic component is a hollow structure, the first elastic component is sheathed outside the second elastic component, the shock transmission component is clamped between the first elastic component and the second elastic component, the upper shell is provided with a through hole, and one end of the connecting rod penetrate through the through hole and is fixedly connected to the shock transmission component. The lamp is fixedly provided with the shock absorber. The shock absorber and the lamp using the same have the advantages of good shock absorption effect, simple and reliable structure and easy installation, and enable the lamp to work normally under the persistent strong three-dimensional shock excitation, thereby ensuring the high reliability of the lamp.

The invention discloses a pneumatic cam chuck clamping mechanism. A cylinder is provided with a cylinder speed regulating valve and an external pipeline, a clamping body component comprises a chute plate and a main body plate, the chute plate, the main body plate and the clamping plate form a containing space, a cam chuck is arranged on the main body plate by a ball bearing, and a slider clamping claw is clamped into the cam chuck by a cam following device and can slide in a corresponding chute in the chute plate. The pneumatic cam chuck clamping mechanism is provided and realizes the fast, bidirectional and automatic centering clamping particularly specific to round bar workpieces with the diameter below 20mm, a common cylinder is adopted as a driving unit, the pneumatic cam chuck clamping mechanism is simple and reliable in structure, convenient and fast to use, compact in structure, firm in clamping, good in workpiece perpendicularity and high in automatic centering precision.

The invention discloses a full-automatic log periodic antenna. The full-automatic log periodic antenna is capable of meeting high mobility requirement, fixing requirement or the like application requirements. The full-automatic log periodic antenna takes full advantages of the lifting function of an antenna mast, a soft line oscillator and an automatic line winder for winding and storing the soft line oscillator to full automatically mount, wind and store antenna. The full-automatic log periodic antenna realizes to full automatically switch the antenna working states without manual operation; the full-automatic log periodic antenna is easy to highly and organically integrate with a carrying platform, the platform shape is rarely influenced, and the cross-country mobility of a carrying tool is not influenced; the full-automatic log periodic antenna can adapt to the application requirements of different special fields and greatly improve the quick response ability of the system.

The invention provides a composite core rod torsion tester. The tester comprises a workbench, a power system, a front clamping component, a rear clamping component and a tension mechanism. When the tester is used for testing, a sample core rod is used for clamping and positioning by utilizing the taper through the front and rear clamping components, so that the clamping acts stably and reliably, and cannot destroy the core rod. The whole equipment is compact in structure, concise, economical and practical, and is convenient to operate, so that a convenient and reliable testing means is provided for detecting the torsion performance of a core rod.

The invention discloses a low-frequency ultrasonic triple atomization nozzle which comprises an ultrasonic transducer, an amplitude transformer, a flange, a liquid inlet hole, a liquid outlet hole, an eccentric ball, a pressing block, a limit spring and support frame, wherein the upper end surface of the ultrasonic transducer is bonded together with the lower end surface of the amplitude transformer; the conical upper end surface of the amplitude transformer is connected with the flange into a whole; the upper end surface of the flange is welded together with the support frame; the plane on which the support frame is located passes through the axis of the low-frequency ultrasonic triple atomization nozzle; one end of the limit spring is welded at the upper part on the inner side of the support frame; the other end of the limit spring is welded together with the pressing block; the pressing block, the length direction of the limit spring and the axis of the low-frequency ultrasonic triple atomization nozzle are collinear; and the eccentric ball is pressed in a nozzle groove by the pressing block. The low-frequency ultrasonic triple atomization nozzle performs tertiary atomization of a nutrient solution on the basis of secondary atomization, breaks through the bottleneck that a low-frequency ultrasonic atomization nozzle can hardly generate superfine droplets and enables the low-frequency ultrasonic atomization nozzle to achieve a better development prospect in the field of aeroponic culture.

A lamp holder angle adjusting structure comprises a column, a guide part, a lead screw, a sliding block, a connection rod, a threaded fastener, a dial and a pointer. One end of the column is used for being connected with the lamp holder of a lamp rotatably. The guide part is arranged on the column and arranged along the length direction of the column. The lead screw is mounted on the column and parallel to the guide part and is capable of rotating relative to the column. The sliding block is mounted on the guide part and capable of sliding relative to the guide part, and the lead screw penetrates the sliding block to be screwed with the sliding block. One end of the connection rod is in rotatable connection with the sliding block, and the other end is in rotatable connection with the lamp holder of the lamp. The threaded fastener abuts against the guide part after penetrating the sliding block and is screwed with the sliding block to be used for locating the sliding block. The dial is arranged on one of the lamp holder and the column. The pointer is arranged on the other of the lamp holder and the column and is matched with the dial to be used for measuring the rotation angle of the lamp holder. The lamp holder angle adjusting structure is convenient to adjust and simple and reliable. The invention further provides an airport approach lamp using the lamp holder angle adjusting structure.

The invention discloses a method for achieving the adjustable speed limiting effect of a shear thickening damper and the damper. According to the method and the damper, a cylinder body is filled witha shear thickening solution, one end of a piston rod slides in the cylinder body, the other end of the piston rod extends out of the cylinder body, a piston is fixed to the piston rod in the cylinderbody and is a hollow cylinder with a normal-open oil passage, the normal-open oil passage enables an effective throttling channel to communicate with a piston cavity, the throttling channel is formedbetween the outer side wall of the piston rod and the inner side wall of the piston, the outer side of the piston makes contact with the inner side of the cylinder body to slide relatively, the pistonrod is provided with external threads, one end of the piston is in a ring shape, an inner ring is provided with internal threads, the relative position of the piston rod and the piston can be adjusted through screw-thread fit, a conical pin is arranged at one end of the piston rod, a floating piston is used for compensating the space variation of the cylinder body caused by the piston rod entering and exiting the cylinder body, and the floating piston and the cylinder body are connected through an elastic element. The method and the damper have the advantages that 1, the structure is simple and reliable; 2, the adjustable speed limiting effect can be achieved; 3, the output force of the damper is large; and 4, the impact resistance can be achieved.

The invention relates to a GIS voltage sharing capacitor which comprises an insulating cylinder. An upper connecting conductive cover and a lower connecting conductive cover are respectively arranged on the two ends of the insulating cylinder, and a sealing cavity is formed in the insulating cylinder through the upper connecting conductive cover and the lower connecting conductive cover. A voltage sharing capacitor body and an expander are arranged in the sealing cavity. One end, of the voltage sharing capacitor body, adjacent to the upper connecting conductive cover is electrically connected with the upper connecting conductive cover, and the end, of the voltage sharing capacitor body, adjacent to the lower connecting conductive cover is electrically connected with the lower connecting conductive cover. The loss of the voltage sharing capacitor is effectively reduced, the production cost is lowered, and the work efficiency is improved. Voltage sharing effect is achieved during on / off of a GIS switch, micro-positive pressure state of the GIS voltage sharing capacitor is retained, and oil leakage and oil shortage of the GIS voltage sharing capacitor are effectively minimized. Partial discharge is reduced, and properties of the GIS voltage sharing capacitor are stabilized, so that the GIS voltage sharing capacitor can safely and stably operate in a power grid for a long time, and normal power consumption of users can be ensured.

The invention discloses a money sending mechanism and a self-service deposit and withdrawal device thereof. The money sending mechanism comprises at least two parallel guide racks, a bearing shaft, a money push plate, a synchronous driving belt, a limiting guide groove and an advancing stabilizing part, wherein the bearing shaft is provided with at least two gears meshed with the guide racks respectively, the gears are rigidly connected with the bearing shaft, the money push plate is connected with a rolling shaft of the bearing shaft, the synchronous driving belt and the limiting guide groove are arranged on at least one side of the money push plate and parallel to the guide racks, the money push plate is connected with the synchronous driving belt in a power mode, the advancing stabilizing part is arranged on the side, facing the limiting guide groove, of the money push plate and rigidly connected with the money push plate, and at least one limiting roller matched with the limiting guide groove is arranged on the advancing stabilizing part. The money sending mechanism has the advantages that the structure is stable and reliable, the power transmission efficiency is high, and the problem that when the money push plate inclines or deflects to one side, errors occur in the money distributing process can be effectively solved.

The invention relates to a particle damping rubber vibration isolator of an engine. According to the technical scheme, the upper end face and the lower end face of vibration isolation rubber (3) are in vulcanizing bonding with a corresponding upper connecting plate (2) and a corresponding lower connecting plate (4), a lower connecting bolt (5) is fixed onto the lower plane of the lower connecting plate (4), an upper connecting bolt (1) is fixed onto the upper plane of the upper connecting plate (2) and a damping rod (7) is fixed onto the lower plane of the upper connecting plate (2). The upper connecting bolt (1), the upper connecting plate (2), the vibration isolation rubber (3), the lower connecting plate (4), the lower connecting bolt (5) and the damping rod (7) are coaxially connected. The vibration isolation rubber (3) is a hollow cylinder, the hollow part of the hollow cylinder forms a closed damping cavity (8) with the upper connecting plate (2) and the lower connecting plate (4), particle damping materials (6) are placed in the damping cavity (8) and the particle damping materials (6) occupy 50-85% of the volume of the damping cavity (8). The particle damping rubber vibration isolator of the engine is simple and reliable in structure, convenient to manufacture and low in cost, has the dynamic characteristics of low-frequency high dynamic stiffness and large damping and also has the dynamic characteristics of high-frequency low dynamic stiffness and small damping.

The invention discloses a suction base for an intelligent nursing toilet bowl. The suction base comprises a shell installed on a bottom base, wherein an inner cavity is arranged inside the shell, a temperature and humidity sensor, an excrement sensor and a flushing spray nozzle are installed in a cavity body of the inner cavity, a urine sensor is arranged on the outer side of the lower portion of the cavity body, and a discharging outlet which is connected with an external negative-pressure pipeline is vertically arranged in the bottom of the cavity body; a cleaning device and a ventilation device are arranged on the outer side of the rear portion of the cavity body and communicated with the interior of the cavity body. Due to the fact that the height of the spray nozzle, pressure of flowing water and the flow can be automatically adjusted by the cleaning device, overall cleaning of the hips of a body is achieved, and the defects that the position of an existing spray nozzle is fixed, and the flushing region cannot be adjusted are overcome; due to the fact that the temperature and humidity sensor is arranged inside the suction base, optimal skin comfort is achieved through adjustment of air parameters under the circumstance that neither excrement nor urine is generated; the whole suction base is compact in structure, and high cleanliness is kept when the inner cavity is used for a long time; the structural design meeting the requirements of ergonomics is adopted by the whole suction base, and therefore the optimal using effect is achieved by the suction base.

The invention discloses a hydraulic folding dam with mechanical self-locking for a forked type rod. The dam comprises a dam base and a door page which is movably connected to the dam base. Two supporting devices are arranged between the dam base and the door page, each of the supporting devices comprises a lower connecting rod connected to the dam base and an upper connecting rod connected to the door page, and the upper connecting rod is movably connected to the lower connecting rod. The dam disclosed by the invention has the advantages that the dam is more compact in structure; compared with a supporting hydraulic cylinder which directly supports the door page, the stroke of the hydraulic cylinder is long; as a mechanical self-locking structure is arranged, two locking hydraulic cylinders are cancelled; all the connecting rods are two-force beams, so that the dam is more reliable in structure and the connecting rods are only subjected to a pressure or tension. Compared with the hydraulic dam in the drawing, the lower connecting rod is subjected to a great bending stress; the supporting devices are double connecting rod structures which are more firm, and in the moving process, inference with the supporting rods of the hydraulic cylinder is avoided; the hydraulic cylinder is directly supported at an upper and lower connecting rod motion pair, so that the supporting force is greatly lowered, the dimension of the hydraulic cylinder is reduced, and the reliability is improved.

The invention relates to a pantile solar concentration heat collector which belongs to the field of solar energy application. The pantile solar concentration heat collector comprises a glass pantile line focusing light concentrator, a heat collector and an outer frame; the glass light concentrator adopts the focusing method of a linear Fresnel lens to adjust the matching of the width of a focusing light band and that of the heat absorption part of the heat collector, so that the incident sunlight is focused on the fixed solar heat collector, the solar radiation energy density of the heat collector in unit area is improved, the temperature of a heat absorbing medium of the heat collector is improved, and the wide application of the high-temperature heat collector in the field of solar energy.

The invention discloses a testing method of simultaneous rotation of inner and outer rings of a cylindrical roller bearing; the testing device comprises a substrate, an inner ring revolving system arranged at the upper part to drive a testing bearing to rotate and an outer ring revolving system; the outer ring revolving system comprises an outer ring main shaft, an accompanied testing bearing, an axial force applying bearing and a supporting bearing are sleeved on the outer ring main shaft; the inner ring revolving system comprises an inner ring main shaft, and an axial force applying bearing, the supporting bearing and a radial loading bearing are sleeved on the inner ring main shaft; outsides of two axial force applying bearings are provided with axial force applying devices; the upper part of the radial loading bearing is provided with a radial loading device; the upper part of the accompanied testing bearing is provided with a sensor unit; the testing device further comprises a lubricating system and a measuring and control device; the axial force applying device, the radial loading device and the lubricating system are connected with the measuring and control device. The invention provides a testing method of the simultaneous rotation of inner and outer rings of the cylindrical roller bearing; the method applies the method of rotating the inner and outer rings at the same time, and thus the testing rotate speed can be effectively improved.