53results about How to "Achieve vertical" patented technology

The invention relates to an automatic gear shaft assembling machine. The rack is provided with a carrier conveying device. The carrier conveying device comprises a carrier conveying base. Carrier feeding movable air cylinders are arranged on the front side and the rear side of the carrier conveying base and connected with a carrier feeding movable base. The carrier feeding movable base is connected with a carrier feeding movable block. A carrier feeding clamping block matched with a carrier is arranged on the inner side of the carrier feeding movable block. A carrier feeding lifting matched sliding rail is arranged at the upper portion of the carrier feeding movable block and matched with a carrier feeding lifting matched sliding block. The upper portion of the carrier feeding lifting matched sliding block is matched with a carrier feeding lifting air cylinder on the rack. The rack is provided with a ball bearing feeding device, a shaft rod feeding device, an overturning device, a clamping ring feeding device, a gear feeding device, a clamping bearing feeding device and a discharging mechanical arm. According to the automatic gear shaft assembling machine, automatic ball bearing and shaft rod assembling can be achieved, and the assembling efficiency and the yield are greatly improved.

The invention discloses a multifunctional testing platform of the dynamic characteristics of vehicle dynamics, which comprises a rotary coder, a synchronous belt, a moment motor, a retaining ring, a bearing, a motor slide block, a shaft sleeve, a longitudinal guide rail, a transversal guide rail, a fixed square plate, a steel ball, a steel ball fixing frame, a rotating disc, a moment sensor, a brake disc, a cylinder bracket, a cylinder shaft, an outer rotor motor, a force and moment sensor, an arrester bracket, an arrester, a cylinder, a measurement and control system, a code disc, a rotating speed sensor, a centering roller bracket, a centering roller lifter and a centering roller. By the invention, the whole vehicle dynamics is comprehensively researched on the testing platform, a driving or brake moment and a steering resisting moment are applied to wheels, and the wheels are permitted to steer in rotating motion so that more working conditions can be imitated by applying driving or braking moment on wheels and permitting the wheels to steer during rotating motion. The multifunctional testing platform can test and research the dynamic characteristics of vehicle longitudinal dynamics and transversal dynamics. The attached figure is the structural front view of the invention.

The invention provides a free-film type anti-inclination air spring, which belongs to the technical field of air springs. A transverse stopping gap and a vertical stopping gap exist in the air spring, so that the vibration impact during operation can not be well reduced. In the invention, a lengthened cylindrical pin is adopted, a friction block is arranged, and meanwhile, the concave design for a stopping seat is carried out, and the upper wall of the stopping seat is heightened, so that the design not only can be used for providing a reasonable free gap for the air spring, but also can be used for effectively preventing the phenomenon that the cylindrical pin jumps out of the stopping seat from occurring; and in addition, the air spring is provided with an anti-leveling anti-inclination rubber block, so that the phenomenon that the air spring is inclined can be effectively prevented, and a horizontal elastic gap is realized by the rubber block together with a transverse limiting device. The free-film type anti-inclination air spring is mainly used for a damping system of a magnetic-suspension vehicle.

The invention provides a board cutting device, belongs to the technical field of machinery and solves the problem of low cutting efficiency in the prior art. The board cutting device comprises a long-strip-shaped workbench, wherein the workbench comprises an input end and an output end, a conveying mechanism capable of driving a board to convey forwards is arranged on the workbench, an anti-shiftmechanism for preventing the board from shifting is arranged at the input end, a horizontal cutting mechanism for cutting the board in the direction perpendicular to the board conveying direction is arranged above the rack, a longitudinal cutting mechanism for cutting the board in the board conveying direction is arranged above the workbench, and a discharging mechanism for automatically discharging the board is arranged at the output end. The board cutting device has the advantage of high cutting efficiency.

The invention relates to an upper and lower limb exercise rehabilitation training machine. The upper and lower limb exercise rehabilitation training machine comprises a training machine body. The training machine body comprises a device bracket, an upper limb training mechanism and a lower limb training mechanism, wherein the upper limb training mechanism is positioned at the upper part of the training machine body, and the upper limb training mechanism comprises an upper limb direct-current motor, a speed reducer, handles and connecting rods; and the lower limb training mechanism is positioned at the lower part of the training machine body and is positioned on the same side with the upper limb training mechanism, and the lower limb training mechanism comprises a lower limb direct-currentmotor, a driving wheel, a driving wheel support rack and rocking arm type pedal plates. The upper and lower limb exercise rehabilitation training machine is reasonable in structural design, two independent machines, including an upper limb rehabilitation training instrument and a lower limb rehabilitation training instrument are combined together, thus the function is complete, meanwhile, the upper limb and lower limb rehabilitation training programs can be respectively started, and in addition, through a touch display screen, the parameters including the training speed, training resistance and the like can be set. The upper and lower limb exercise rehabilitation training machine has various training modes, during upper limb training, the training angle can be changed by adjusting an upperlimb training work arm, so that the vertical and horizonal training of the upper limbs is realized, and the running is stable and reliable.

The invention discloses an F-type steel double-slit joint of a low- and medium-speed maglev system. The F-type steel double-slit joint comprises two main F-type steel sections, an auxiliary F-type steel section and two press plates and more, wherein each main F-type steel section is provided with a first inner leg and a first outer leg, and the auxiliary F-type steel section is provided with a second inner leg and a second outer leg. The F-type steel double-slit joint of the low- and medium-speed maglev system is simple in structure, convenient to mount and easy to maintain.

The invention discloses a multi-cable compounded damping cable. The technical key point lies in that the multi-cable compounded damping cable comprises a main cable and at least one secondary cable distributed around the main cable, and the at least one secondary cable is located on the upper portion of the main cable. The lower ends of the main cable and the secondary cables are connected with a concrete anchor fixed to the ground. The upper end of the main cable is connected with an upper anchoring end stand column fixedly connected with a structure through a main cable shock absorption device. The upper ends of the secondary cables are connected with the upper anchoring end stand column fixedly connected with the structure through a secondary cable shock absorption device. Hanging rods are arranged between the main cable and each secondary cable as well as between the secondary cables. According to the multi-cable compounded damping cable, the multi-cable compounded damping cable can be installed between two structures which are at a long distance and move relatively, and has the energy dissipation and shock absorption effects basically equal to those of a damper installed between two structures very close to each other.

Disclosed are a device and a method for detecting the movement state of a load-bearing steel wire rope. The device comprises a guide rope, a signal acquisition device, a sliding frame, a longitudinal movement detecting device, a twist detecting device and a counter weight, wherein the sliding frame moves along with the guide rope, the longitudinal movement detecting device is fixed onto the sliding frame and slides along with the guide rope, the twist detecting device is fixed onto the sliding frame and clamped on the steel wire rope to be detected, and the counter weight is fixed to the tail end of the steel wire rope to be detected. When the steel wire rope is detected during movement, the sliding frame is fixed onto the steel wire rope to be detected through clamp blocks to move up and down, a guide wheel in the longitudinal movement detecting device for the steel wire rope rolls along with the guide rope at a high speed, the rolling state of the guide wheel is measured by a shaft encoder, twist of the steel wire rope drives a friction wheel in the twist detecting device to rotate, the movement state of the friction wheel is measured by the shaft encoder connected with the friction wheel, measuring data are acquired by the signal acquisition device, and signals are outputted to an industrial personal computer, so that the movement state of the steel wire rope is detected.

The invention relates to a balancing device of an offshore wind generation set. The balancing device comprises offshore wind power blades, a wind power tower tube, transverse stainless steel frames arranged on the lower middle portion of the wind power tower tube, a generator set control box arranged on the transverse stainless steel frames, water circulating systems, gas circulating systems and gas bag systems. Through the arrangement of the systems and components, the probability that the offshore wind power generation set topples over is reduced to the lowest, and arrangement of an undersea wind power tower tube base is omitted; and meanwhile, the direction of the whole device can be adjusted according to the wind directions of season wind, and arrangement of the offshore wind power generation set in a deep sea area is possible.

The invention relates to a hoisting system capable of implementing high hoisting of a reach truck. The hoisting system comprises a three-stage hoisting gantry, a side shifter, a front hoisting oil cylinder, two rear hoisting oil cylinders and a hydraulic pipeline system, wherein the three-stage hoisting gantry comprises an outer gantry, an intermediate gantry and an inner gantry; the width A of the outer gantry is 730 mm; the total width B of three gate posts on one side of the width direction after assembling of the three-stage hoisting gantry is 149 mm, and the total thickness C is not greater than 175 mm; the gantry structure is high in strength, can implement high hoisting of 12.5 m, is provided with the side shifter with the inclining and side shifting dual functions to implement separate inclination of the cargo while the gantry is vertical; the radial direction of a front cylinder chain wheel at the top of the front hoisting oil cylinder is inclined with the plane of the three-stage hoisting gantry; four rubber tubes at the cylinder head are crossly arranged with the front cylinder chain; the four rubber tubes are forward lapped with the front hoisting oil cylinder to form a wider space in the inner gantry above the front hoisting oil cylinder, so as to maximally enlarge the view field of a driver.

The invention provides a conveying mechanism of a plate cutting device, and belongs to the technical field of machinery. The conveying mechanism solves the problem of low conveying efficiency in the prior art. The conveying mechanism of the plate cutting device is characterized in that the plate cutting device comprises a long strip-shaped work table; the work table is provided with an input end and an output end; the conveying mechanism comprises a plurality of conveying rollers; the conveying rollers are arranged on the work table in a peripheral rotation and axial fixed mode; one end of theconveying roller is fixedly provided with a first gear; the other end of the conveying roller is fixedly provided with a first bearing; a plurality of first gears are connected through a first chain;one end of the first chain is also engaged with a second gear; a driving motor is fixed onto one side of the work table; an output shaft of the driving motor is fixedly provided with the second gear.The conveying mechanism has the advantage that the conveying efficiency is high.

The invention discloses a longitudinal-bending composite ultrasonic vibration degumming method and device based on a catenary linear cutter; a half-wavelength conical horn is combined with the catenary cutter, and the edge curve of the cutter adopts a catenary linear design, which can realize longitudinal and lateral bending component vibration, and form a plane elliptical cutting motion trajectory; the shearing force is small; and the notch is smooth; the horn adopts the half-wavelength conical horn, adopts an integrated design, is connected with a piezoelectric ceramic piece directly, and can realize longitudinal vibration; the working angle of the cutter can be subjected to stepless regulation by a bolt between an F-shaped chuck and a support column of the chuck, and a fine-tuning screw on the top of an outer sleeve can adjust the cutting depth of the cutter; an X-Y two-dimensional feeding table is controlled by a stepping motor; the feeding precision is high; and the micro feeding processing at any position in the X-Y plane can be realized. According to the longitudinal-bending composite ultrasonic vibration degumming method and device, the magnetic force generated by the coil is used for attracting a strip-shaped iron thin plate on a working plate to clamp a workpiece, and the advantages of convenient disassembly and installation of the workpiece, small volume and simple structure are achieved.

The invention provides a mechanical bent-plate-type slope adjusting clamp and method. The mechanical bent-plate-type slope adjusting clamp comprises a clamp base, wherein a side vertical plate and a middle vertical plate are arranged on the clamp base; a plurality of T-shaped grooves are formed in the outer side surface of the middle vertical plate from top to bottom in a spacing manner; a V-shaped positioning block is arranged at the bottom of the middle vertical plate; two raised brackets are horizontally arranged on the inner side surface of the middle vertical plate in a spacing manner; aservo motor is arranged on the outer side surface of the side vertical plate and connected with a worm; the worm is connected with a worm gear; an angle displayer is arranged at the tail end of the worm; one end of a gear shaft is mounted on the worm gear; the other end of the gear shaft penetrates through the side vertical plate and is mounted on the clamp base; the raised brackets are in hingedconnection with a rotating table plate through a hinge shaft; a fan-shaped gear is arranged on the reverse side of the rotating table plate and in meshed connection with the gear shaft; the T-shaped grooves are formed in the obverse side of the rotating table plate from top to bottom; and the V-shaped positioning blocks are arranged at the bottom of the rotating table plate. The mechanical bent-plate-type slope adjusting clamp and method have the advantages that the structure is stable, the rigidity is high, the operation is simple, the labor intensity is reduced, the working efficiency is improved, and the clamped part slope adjusting and positioning precision is high.

The invention discloses equipment and method for filling a cigarette carton with cigarette cases. The equipment comprises a rack, a carton discharging device, a carton conveying device, a carton opening device, a carton filling device, a cover closing device and a driving device; the driving device comprises a power source, a main driving shaft and a plurality of branch driving shafts, one end ofthe main driving shaft is connected with the power source, the other end of the main driving shaft is connected with the branch driving shafts; the carton discharging device is erected on the foundation and located at the end of one end of the rack in the length direction; the carton conveying device is arranged in the length direction of the rack, the end of the carton conveying device extends below the carton discharging device; the carton filling device comprises a tobacco bale moving mechanism, the tobacco bale moving mechanism comprises a fixed seat, an electric cylinder and a transitiondie box, the electric cylinder comprises a lead screw and a motor for driving the lead screw to rotate, the electric cylinder is assembled on the fixed seat, the transition die box is connected to thelead screw and can do reciprocating motion in the axial direction of the lead screw, the tobacco bale moving mechanism is connected with the rack through the fixed seat; the carton opening device, the carton filling device and the cover closing device are sequentially arranged on the rack in the cigarette carton moving direction; and power is input into the carton discharging device, the carton conveying device, the carton opening device, the carton filling device and the cover closing device through the branch driving shafts.

The invention discloses a numerical control grooving machine achieving automatic feeding and steering. An automatic feeding mechanism (48) comprises a feeding working table (23), feeding guide rails (24), a feeding motor (25), a feeding lead screw (26), a feeding sliding table (20), a rotating motor (22), a rotating divider (21), a clamping and supporting plate (47) and clamping mechanisms (5). The feeding working table (23) is fixed to a rack (1). The feeding guide rails (24) are fixed to the feeding working table (23). The feeding sliding table (20) is arranged on the feeding guide rails (24) and is in threaded fit with the feeding lead screw (26). The rotating motor (22) and the rotating divider (21) are fixed to the feeding sliding table (20). The clamping and supporting plate (47) is fixed to the rotating divider (21). The feeding motor (25) drives the feeding sliding table (20) to move front and back. The rotating motor (22) controls the clamping mechanisms (5) to drive a material plate (49) to rotate. After the structure is adopted, the numerical control grooving machine has the beneficial effects of being high in automation degree, stable and reliable in working and operating, good in grooving quality, high in working efficiency, capable of being used on a plane or a convex face and the like.

The invention provides a deflection preventing mechanism of a buckle plate cutting device, and belongs to the technical field of machinery, which solves the problem of poor deflection preventing effect in the prior art. The deflection preventing mechanism of the buckle plate cutting device is characterized in that the buckle plate cutting device comprises a strip-shaped worktable; the worktable isprovided with an input end and an output end; a conveying mechanism is arranged on the worktable and is used for driving a sheet to convey forwards; the deflection preventing mechanism comprises a guide plate I, a guide plate II, a blocking plate I and a blocking plate II; the guide plate I and the guide plate II form a guide opening which is of a structure like a character 'ba'; the input port of the guide opening is greater than the output port; the guide plate I is fixedly connected with the blocking plate I, and the guide plate II is fixedly connected with the blocking plate II; the blocking plate I and the blocking plate II are parallel with the conveying direction of a conveying roll; a movable structure is arranged on the worktable and is used for adjusting the distance between theblocking plate I and the blocking plate II. The deflection preventing mechanism has the advantage of good deflection preventing effect.

The invention discloses a brain wave recognition method based on a quantum neural network algorithm. The method comprises the following steps that step 1, a brain wave multichannel collection module collects brain wave signals; step 2, a brain wave multichannel signal amplification module amplifies the brain wave signals; step 3, a brain wave multichannel filtering module calls a quantum state multichannel preprocessing module and a quantum neural network module to filter the brain wave signals; step 4, a brain wave multichannel recognition module calls the quantum state multichannel preprocessing module and the quantum neural network module to carry out mode recognition and feature extraction on the brain wave signals; and step 5, the brain wave multichannel recognition module outputs a brain wave feature recognition result. According to the method, brain waves can be described by using a quantum state wave function, characteristics of coherence, superposition, wave particle bijection and the like among different brain wave signals can be described, and self-learning and training are further completed according to different scenes, so that the recognition effect is improved.

The invention relates to the field of robot industry automation. According to the technical scheme, that a quick-butt-joint type self-sealing fluid device comprises a male connecting end and a femaleconnecting end which are connected with each other; an extending end extends into a female end body, a male end sealing piston moves towards the side away from the female connecting end, a female endsealing ring moves towards the side away from the male connecting end, and the inclined face of the circular truncated cone face of the male end sealing piston is flush with the inclined face of a connecting end so that fluid channel cans be formed in the male connecting end and the female connecting end; and the female end sealing ring and a female end sealing column are sealed through the inclined face, friction between a sealing loop on the sealing column and the sealing ring is avoided through inclined face sealing, then the service life of the sealing loop is prolonged, and in addition, fluid sealing can be rapidly achieved in time through inclined face sealing.

The invention relates to the technical field of building decoration engineering, and discloses a building spray gun capable of effectively improving the spraying effect. The building spray gun comprises a spray gun body, the left side of the spray gun body is rotationally connected with a nozzle, the left side of the spray gun body is provided with a movable ball slidably connected with the right side of the nozzle, transmission mechanisms are movably connected to the left side of the spray gun and close to the top and the bottom of the movable ball, an execution mechanism is movably connected into the spray gun, and a control mechanism is movably connected into the spray gun and close to the inner side of the execution mechanism. According to the building spray gun capable of effectively improving the spraying effect, through cooperative use of a control mechanism and a top first electromagnet, when the left side of the spray gun inclines upwards, a circuit is powered on, and under the action that the top first electromagnet pushes a first magnetic block to compress a top telescopic air bag, a nozzle is driven to deflect towards the bottom, the purpose that the nozzle is always perpendicular to the wall surface is effectively achieved, the utilization rate of paint is increased, spraying is more uniform, and therefore the spraying effect is improved.

The invention discloses an operation method for a stirrer adjustable in real time. During operation of the stirrer and working of a stirring mechanism, a detection control module commands a detector to begin detection of the situation of a product in a stirring container, a data processing unit in a controller module processes detection information, and a controller commands a driving mechanism to adjust the position of a bracing frame via a driving control module according to the concrete product situation displayed by a detection structure, wherein the bracing frame may be transversely and / or longitudinally adjusted; since the stirring mechanism is arranged on the bracing frame, the stirring mechanism is moved to an assigned position during movement of the bracing frame, and then the stirring mechanism continues stirring; and the whole operation process is simple and easy to implement and handling can be carried out according to an actual stirring situation, so the stirring effect of the stirrer is substantially improved, and the stirrer can better meet production demands of enterprises.

The invention provides a crushing device for household garbage treatment, and belongs to the technical field of garbage treatment. The crushing device comprises a base and a vertical plate fixedly arranged on one side of the base, wherein a conveying assembly is fixedly arranged on one side of the vertical plate, and a vertical cutting assembly is arranged on the other side of the vertical plate; and the conveying assembly comprises a conveying barrel and a conveying auger arranged inside the conveying barrel, a feeding port is formed in the upper portion of the conveying barrel, one end of the conveying auger extends out of the conveying barrel and is fixedly connected with a motor, a first belt pulley is further fixedly arranged on the conveying auger, and one end of the conveying barrel penetrates through the vertical plate and is flush with the side wall of the vertical plate. The crushing device for household garbage treatment has the advantages of being novel in structure, convenient to use and good in crushing effect, vertical and transverse double cutting of household garbage can be achieved through mutual cooperation of the conveying assembly, the vertical cutting assembly and a transverse cutting assembly, then the crushing and refining degree of the household garbage is improved, and the crushing effect of the household garbage is improved.

The invention discloses a viscous material bin bottom discharger based on a three-dimensional shearing effect, and belongs to the technical field of dischargers. According to the viscous material binbottom discharger, a logarithmic curve discharging arm is introduced and rotated along a central discharging port, and through the rotation and shearing of the logarithmic curve discharging arm and material, the material moves towards the central discharging port and then is discharged. Due to the fact that rotary shearing discharging is adopted, a material layer is in an overall descending state,blocking, arching and hollowing states of the materials in the bin cannot be caused, meanwhile, a pressure release balloon is arranged at the edge of the central discharging port, and gas is transferred through the extrusion effect generated when the curve discharging arm passes so that the gas is inflated into a radioactive shearing beam to conduct inflation action, then a shearing feeding air bag and a vertical cutting wire are forced to conduct vertical shearing again in sheared materials and push the sheared materials to the center discharging port, and the smooth degree of viscous material discharging is effectively improved based on the three-dimensional shearing effect.

The invention discloses a drying heat recycling device for leather production. The drying heat recycling device comprises a conveying mechanism arranged in a drying box, the conveying mechanism is composed of two sets of symmetrically-distributed needle conveying belts, supporting plates are arranged between the positions, arranged on the outer side of the drying box, of the initial ends of each set of needle conveying belts, and the supporting plates are fixedly connected with at least one pressing device; the interior of the drying box is provided with at least three drying inner cavities; and the position corresponding to each drying inner cavity, the top end of the drying box is provided with an air exhaust pipe. The existing two-cavity structure design is broken through, temperature gradient is achieved through the multiple cavities, meanwhile, along with increasing of the quantity of the drying inner cavities, harmful waste gas and water vapor exhausted from the corresponding airexhaust pipes are processed in the first several drying inner cavities, and hot gas exhausted from the Nth air exhaust pipe of the drying inner cavity at the tail end can be transmitted into the airexhaust pipe in the drying inner cavity A at the initial end through a pipeline to be used for preliminary drying.

The invention provides an intelligent large municipal cloud system. Each subsystem comprises an installer, a bottom shell, an inner ball, a ball, a movable capacitor, a fixed capacitor and a screw. The installer is installed on a municipal facility needing to be monitored through the screw, a top shell is arranged on the bottom face of the installer, and a semispherical inner cavity is upwards formed in the bottom face of the top shell. The bottom shell is in a hemispherical shell shape and connected to the top shell in a threaded mode, a guide hole is formed in the bottom shell, liquid mercury is injected into the guide hole, and a contact piece is arranged at the end of the guide hole. A ball is embedded in the outer spherical surface of the inner ball, and the inner ball is arranged ina spherical cavity formed by the top shell and the bottom shell; a mounting hole is downwards formed in the top of the inner ball, a movable capacitor and a fixed capacitor are mounted in the mountinghole from top to bottom, and the two capacitors are connected with a capacitance monitoring circuit; when the municipal facilities are turned over, liquid mercury flows to the end parts of the guideholes, the two contact pieces at the end parts are connected, a certain pin of the first MCU in the circuit box at the bottom of the installer is connected with a high level, and the subsystem sends out a reminding signal; when the capacitance fluctuates, the subsystems send municipal facility positions.

The invention relates to a multifunctional full-hydraulic self-propelled highway crash barrier piling, pulling and drilling all-in-one machine and belongs to the field of highway construction technical equipment. The all-in-one machine comprises a walking system, wherein a tilt oil cylinder is arranged in front of the walking system, and a supporting frame is arranged on the tilt oil cylinder. A lifting oil cylinder, a swing lever, a lifting big arm and a sliding frame are arranged on the supporting frame, one end of the lifting big arm is hinged onto the swing lever, the other end of the lifting big arm is hinged onto the sliding frame, and the middle position of the lifting big arm is hinged onto the lifting oil cylinder. The lifting oil cylinder drives the lifting big arm to achieve lift, the swing lever achieves structural left-and-right offset supporting, the sliding frame is driven to vertically lift on a support guide rail, and a coring bit, and replacement of an impacter, a hydraulic hammer and a pile pulling frame are achieved on the sliding frame. The multifunctional full-hydraulic self-propelled highway crash barrier piling, pulling and drilling all-in-one machine is simple in structure, convenient to use, multiple in functions, capable of achieving piling, pile pulling and hole drilling, stable, fast, accurate in position, convenient to counter, good in formation of drilled holes, capable of avoiding unqualified holes and suitable for construction under various road conditions and weather conditions.

The invention discloses an ultrahigh-precision plane air floatation work piece table, which comprises a platform. Two guide rails are arranged on the upper side face of the platform. A vertical motoris fixed to the outer side of each guide rail, a vertical air floatation slider is arranged on each guide rail in a sliding mode, and the vertical air floatation sliders are connected with the vertical motors. A cross beam is fixedly arranged between the two vertical air floatation sliders, and the cross beam is of an upright U-shaped structure. A transverse motor is arranged in a U-shaped grooveof the cross beam. A work piece table assembly is further arranged on the cross beam in a sliding mode. Because gaps with different sizes are formed between the two vertical guide rails and the vertical air floatation sliders, the jamming phenomenon is avoided. Magnetic pre-loading is achieved through magnetic strips and steel strips and corresponds to the air floatation force at the vertical airfloatation sliders, so that the stability of the air floatation slider is maintained, and there is no friction. Moreover, double-shaft driving is adopted, and the working accuracy and efficiency are improved.

The invention discloses a telecentric laser field lens and a laser scanning system thereof, the telecentric laser field lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifthlens and a sixth lens which are sequentially arranged along the laser propagation direction, wherein the first lens is a biconcave spherical negative lens, the second lens is a concave-convex spherical negative lens, the third lens is a concave-convex spherical positive lens, the fourth lens is a plano-convex spherical positive lens, the fifth lens is a biconvex spherical positive lens, and the sixth lens is a biplanar lens, so that a good flat field effect can be achieved, and laser processing can be carried out stably and efficiently.

The invention discloses an inflatable multifunctional nursing bed in the technical field of medical devices, wherein the inflatable multifunctional nursing bed includes a bed frame; an electric push rod is hinged in an inner cavity of the bed frame; a bedpan bracket is welded on the top wall of the inner cavity of the bed frame; an air cushion support plate is hinged on the top wall of the bed frame; binding strap fixing rings are welded on the front and back of the top wall of the air cushion support plate; an air cushion bed is connected on an inner cavity of the air cushion support plate ina clamping manner, and the top wall of the air cushion support plate is provided with a through hole; a fixing pad is located at the upper part of the through hole; the left part and the right part of the top wall of the air cushion support plate are respectively connected with a bed tail baffle plate and a bed head baffle plate in a clamping manner, the outer wall of the bed head baffle plate isprovided with an overturning plate, and the upper part and the lower part of the outer wall of the bed head baffle plate are respectively in screw joint with a water storage tank and a sewage tank; the bottom wall of the waste water tank is in screw joint with a sprinkler device; the bottom wall of the waste water tank is in screw joint with a water drainage pipe. The device is simple in structure, is suitable for life care, complication prevention, rehabilitation training, and hand and foot recovery exercise of patients who need to stay in a bed for a long time due to aging or disease, and is convenient for patients to wash hair in the bed.

The invention relates to the technical field of optical detection equipment and discloses a microscope lens polarizer adjusting structure and optical detection equipment. The microscope lens polarizeradjusting structure comprises an adjusting ring and a fixing part, wherein one end of the adjusting ring can be connected to a lens end of a microscope, a groove is formed in the other end of the adjusting ring, and a polarizer is arranged in the groove; and the fixing part is arranged in the adjusting ring, one end of the fixing part props against the polarizer, and a through hole is formed in the fixing part to allow light rays to pass. The microscope lens polarizer adjusting structure can conveniently adjust the polarizer arranged at the lens of the microscope.