60results about How to "With self-adjusting function" patented technology

A collectivization pretreatment system of mass remote sending data based on order comprises user server, control network, storage network, magnetic disc array, magnetic tap-bank, PC computer and collectivization pretreatment unit of mass remote sensing image based on order. The said collectivization pretreatment unit consists of process flow engine subunit base on order, collectivization parallel listing and manufacturing subunit, multistage storing and filing subunit, tap-bank management subunit, automatic-monitoring subunit and pluggable algorithm server.

The invention discloses a measurement and monitoring method for centroid skewing permitted interference of a multi-axis support air floating platform and belongs to the technical field of an ultra-precise apparatus platform. The invention solves the problem that an existing support platform is limited in leveling state and is narrow in the range of application. The measurement and monitoring method comprises the steps that a centroid offset threshold is firstly set, a centroid offset G (x0, y0) is compared with the centroid offset threshold, and when the centroid offset G (x0, y0) is less than the centroid offset threshold, the telescopic length of each support leg is compensated; when the centroid offset G (x0, y0) is greater than the centroid offset threshold, nozzles of air feet are controlled to spray air, so as to enable a chassis platform to carry out translational motion in a horizontal concrete foundation and move along with the load on the chassis platform, so that the relative offset (x2, y2) is adjusted until the centroid offset G (x0, y0) is adjusted to be in the range of the centroid offset threshold. The measurement and monitoring method for centroid skewing permitted interference of the multi-axis support air floating platform is applicable to the measurement and monitoring of centroid skewing permitted interference of air floating platforms.

The invention discloses an aligning and levelling device for a rotating platform of an ultra-precise measuring machine, which comprises a lower static-pressure disc of the rotating platform, a plurality of levelling devices, an aligning device and a universal levelling plate. The top of the lower static-pressure disc of the rotating platform is provide with a concave spherical surface and a plurality of grooves distributed symmetrically; the lower part of the universal levelling plate is provided with a convex spherical surface; the universal levelling plate is arranged on the top of the lower static-pressure disc of the rotating platform; the convex spherical surface of the universal levelling plate is matched with the concave spherical surface of the lower static-pressure disc of the rotating platform; and the lower mounting surface of the rotating platform is arranged on the universal levelling plate directly. The aligning and levelling device can be used for the large-diameter part measuring rotating platform; the spherical surfaces of the aligning and levelling device match with each other and have the advantages of large contact area, easy aligning, stable movement and strong bearing capacity; and the two spherical surfaces grind mutually when a spherical surface contact pair is used, have a good contact area and self-repairing functions and can improve the adjustment precision, the stability and the reliability of the aligning and levelling device.

The invention provides an automotive antiskid device which comprises a plurality of antiskid blocks, wherein each antiskid block adopts the structure of an n-shaped framework, the inner side of each n-shaped framework corresponds to the inner side of a tire, the outer side of each n-shaped framework corresponds to the outer side of the tire, a fixing bolt is further arranged outside the outer side of each n-shaped framework, an open type foot piece is arranged below the outer side of each n-shaped framework, the fixing bolts on the outer sides of the multiple antiskid blocks are peripherally connected through connecting pieces, the open type foot pieces are connected with a nut tray towards the center of a circle through screws I, and the antiskid blocks are connected around the tire to form a whole. The n-shaped framework structures of the antiskid blocks are firstly clamped on the outer surface of the tire, then the screws I and the nut tray are used for fixing and tightening the antiskid blocks, and finally the antiskid blocks are further connected into a whole through the connecting pieces. The antiskid device is durable and universal, the tire is not damaged, the structure is simple, and the antiskid device can be mounted or dismounted by one adjustable spanner and one flat head screwdriver or only one adjustable spanner.

The invention discloses a self-potential roll-type cross wedge rolling mill, comprising a rack, an upper roll, a lower roll and a driving device used for driving the upper roll to move up and down. Upper bearing blocks are arranged at the two ends of the upper roll and lower bearing blocks are arranged at the two ends of the lower roll. Prestressed supports are fixedly arranged at the upper ends of the lower bearing blocks. Adjusting levers are connected on the prestressed supports by bolts. The cross wedge rolling mill is characterized in that a first self-potential adjusting device is arranged between the lower ends of the lower bearing blocks and the rack; a second self-potential adjusting device is arranged between the adjusting levers and the lower end faces of the upper bearing blocks; a third self-potential adjusting device is arranged between the upper end faces of the upper bearing blocks and the driving device; and axial self-potential adjusting devices with the same structure are arranged between the sides, positioned at the operating sides, of the upper bearing blocks and the rack as well as between the sides, positioned at the operating sides, of the lower bearing blocks and the rack. The invention has the following advantages: the bearing load is uniform when the rolling mill works, the design life of the bearing is ensured, the inner organizations of the rolled pieces are uniform, the rolling precision and the product quality are improved and scale production of the shaft parts by cross wedge rolling is realized.

The invention relates to a particulate matter test technology, and particularly relates to a test device for concentration of particulate matters in lampblack in the catering. The device comprises a light source generator, a multi-parameter measuring chamber and an extinction chamber which are sequentially arranged, wherein a measuring light beam emitted by the light source generator enters the extinction chamber through the multi-parameter measuring chamber. The device also comprises a lampblack sample gas channel which is joined with the measuring light beam in a cavity of the multi-parameter measuring chamber. The device is modularly designed so as to bring the convenience for function extension, and is high in measuring precision; and the testing and sampling can be synchronously carried out and organically combined, so that field measurement and enforcement are conveniently carried out.

The invention discloses a support frame for building bridges with self-regulating function, which comprises a base, support beams are installed on both sides of the upper end of the base, a support plate is installed on the upper end of the support beam, a second spring is installed on the upper end of the support plate, and a second spring is installed on the upper end of the second spring. A beam is installed, a fixed block is installed in the middle of the outer side of the support beam, and a lifting rod is hinged in the middle of the fixed block. A lifting tube is installed between the lower end of the base and the beam. A clamping block is installed at the lower end of the spring, a first magnetic block is installed at the lower end of the clamping block, a second magnetic block is installed inside the lower end of the lifting cylinder, a piston cylinder is installed at the bottom of the lifting cylinder, and a fixed cylinder is installed on both sides of the upper end of the lifting cylinder to fix A slide bar is arranged inside the barrel. The present invention realizes the double stable support of the entire support frame structure for the bridge body, and the structure of the two stable support modes greatly increases the stability of the entire support frame, and can also be adjusted independently.

The invention discloses a CNC engraving and milling machine for precision machining, which comprises a machine head, a first steel ring sleeve, a second steel ring sleeve, a third steel ring sleeve and a fourth steel ring sleeve, wherein the machine head is provided with a cutter; the front end part of an x-direction lead screw positioned in an x-direction main bearing mechanism is embedded in the first steel ring sleeve, an x-direction motor output shaft is embedded in the second steel ring sleeve, two ends of a first cushion spring are respectively fixedly connected with the end surfaces of the first steel ring sleeve and the second steel ring sleeve, a pulley block is arranged on the upper end surface of a stand column, a straight bar is fixedly arranged in the cavity of the stand column, a counter balance the center of which is provided with a through hole is positioned in the cavity of the stand column, the straight bar is embedded in the through hole of the counter balance, two ends of the counter balance are respectively connected to one ends of a first steel wire rope and a second steel wire rope, the other ends of the first steel wire rope and the second steel wire rope are respectively connected to two ends of the upper end surface of the machine head through the pulley block. According to the CNC engraving and milling machine for the precision machining, the damage and the deformation caused by the eccentricity and errors of the motor output shaft and the lead screw can be prevented, the running is smooth, the balance property is good, the CNC engraving and milling machine for the precision machining has a self-adjustment function and the high efficiency and the precision can be further guaranteed.

The invention relates to an object grabbing device. The object grabbing device comprises a base, a driving device, a slide rail assembly, an adjusting assembly, an elastic part and a gripper, wherein the slide rail assembly is mounted on the side, opposite to the driving device, of the base, and comprises a guide rail and two sliding blocks capable of moving along the guide rail relative to each other; a rotary part of the adjusting assembly is connected with the driving device; two support pillars are vertically arranged on the two sliding blocks; the rotation center of the rotary part and the axes of the two support pillars are in the same plane; the two ends of the elastic part are connected with the two sliding blocks; a first clamping part and a second clamping part of the gripper are oppositely arranged on the sides, opposite to the support pillars, of the two sliding blocks; and when the gripper grabs an object, the rotary part is not in contact with the two support pillars. According to the object grabbing device, a self-adjusting function is achieved, and when the gripper and the object deviate from each other, the gripper can be automatically adjusted along the guide rail according to the position of the object to align to the object, so that the purpose that the gripper can successfully grab the object is guaranteed, and the abrasion of the gripper and the object is reduced.

The invention relates to a rear longitudinal cutting mechanism of a bag making machine. The rear longitudinal cutting mechanism comprises an upper cutter device and a lower cutter device. The upper cutter device comprises an upper cutter rest and an upper cutter push device for driving an upper cutter to do lifting motion. The upper cutter rest structurally comprises a lifting cross rod used for mounting the upper cutter, and the two ends of the lifting cross rod are arranged on two opposite rack plates in a sliding mode. Brake devices are arranged on the rack plates. An elastic guide structure is arranged on the rack plate at one end of the lifting cross rod. The upper cutter push device comprises a push rod and a push connecting plate, and further comprises an auxiliary air cylinder, and the auxiliary air cylinder is hinged to a rack. The lower cutter device comprises a lower cutter rest on the rack, and a lower cutter is fixedly connected to the lower cutter rest. The lower cutter rest is connected with a rack cross plate through symmetric screw rods. The screw rods respectively and rotatably penetrate through the rack cross plate, one end of each screw rod is in screw joint with the lower cutter rest, and the other end of each screw rod is axially and fixedly connected with a first bevel gear. The rear longitudinal cutting mechanism is simple in structure, reasonable in design and compact in structure.

The invention relates to a self-adjusting rectangular limiting type clutch based on magnetorheological fluid. The clutch consists of a power transmission mechanism for cutting off or transmitting theoutput power of an engine, a limiting device for limiting the left and right positions of a driven disc, and a self-adjusting device for adjusting the current in an electromagnetic coil according to the state of the magnetorheological fluid in a magnetic current cavity. The problems of shaking and impacting of the clutch during force and torque transmission are solved, self-adjustment of the working state is achieved, and the service life of the clutch is prolonged. A flywheel and a driven disc in the power transmission mechanism are designed to be of rectangular groove boss structures, the matched indirect contact area is increased, and the magnetorheological fluid is filled in the magnetic current cavity formed by matching of the flywheel and the driven disc. After the electromagnetic coil is powered on, the self-adjusting device can ensure that proper current is generated in the electromagnetic coil, so that proper magnetic field intensity is generated in the clutch, the magnetorheological fluid in the magnetic current cavity is changed into solid-like from liquid-like, and the flywheel drives the driven disc to rotate synchronously through shearing force on the adjacent faces of the flywheel and the driven disc.

The invention discloses an improved mounting structure of an electromobile disk brake, which comprises a disk brake assembly and a mounting plate for fixing the disk brake assembly, wherein the mounting plate is provided with a first mounting part and a second mounting part; the first mounting part is connected with the axle, and the second mounting part is connected with the frame; the axle is provided with a disk and a positioning mechanism which is concentrical with the axle; the mounting plate is locked onto the positioning mechanism through a first connecting gear on the first mounting part; the second mounting part is connected with the frame through a second connecting gear; and the second connecting gear is rotatablely connected with the second mounting part. The invention has the advantages of simple structure and convenient mounting, and reduces or eliminates the effect of brake mounting problems on the braking performance of the disk brake, so that the disk brake can be stably and reliably mounted on an electromobile body, and can keep favorable parallelism with the disk, thereby enhancing the braking effect.

The invention relates to a multilayer-multiball magnetic positioning type tooth pitch sample plate which comprises a base with an upper surface as a base plane. At least two layers of positioning holes are sequentially and annularly distributed around the center of a centering cylinder/circular ball/cone on the base plane at intervals from inside to outside; the center of each positioning hole oneach layer of positioning holes is located on a circular curve by adopting a horizontal projection of the center of the centering cylinder/circular ball/cone as a center and the radius of a divided circle of a virtual gear as a radius in the base plane; the hole number of each layer of positioning holes is equal to the tooth number of the corresponding virtual gear; chamfers alpha for placing detecting balls are arranged at the opening ends of the positioning holes; the detecting balls and the centering cylinder/circular ball/cone are made of iron-containing materials; and magnetic positioningdevices for attracting and fixing the detecting balls onto the base are arranged in the base. The invention further provides a magnetic force design method applied to the multilayer-multiball magnetic positioning type tooth pitch sample plate. According to the multilayer-multiball magnetic positioning type tooth pitch sample plate and the magnetic force design method thereof provided by the invention, tooth pitch sample plates with different forms can be assembled according to the measurement demand, and relevant parameters meeting the magnetic force demand can be quantitively designed.

The invention discloses a large-torque hydraulic reduction gearbox which comprises an oil return tank, multistage hydraulic pumps and a hydraulic motor. Oil paths of the oil return tank, the multistage hydraulic pumps and the hydraulic motor are sequentially connected to form a loop for circulation of hydraulic oil; a vehicle engine drives the multistage hydraulic pumps through a transmission shaft, and the hydraulic motor drives wheels through a drive shaft; the vehicle engine inputs mechanical energy to the transmission shaft which drives the hydraulic oil to conduct multistage step-type pressurization through the multistage hydraulic pumps, the pressurized hydraulic oil is input to the hydraulic motor, the hydraulic motor converts high pressure energy of the hydraulic oil into mechanical energy and conveys the mechanical energy to the wheels through the drive shaft, and the drive shaft drives the wheels to rotate. By means of the large-torque hydraulic reduction gearbox, the problem that when a load-carrying motor vehicle climbs an abrupt slope or runs on a muddy road, the motor vehicle cannot move forwards due to the fact that the engine power is insufficient is solved; the engine drives the hydraulic pumps to conduct multistage pressurization on the hydraulic oil, the intensity of pressure of the hydraulic oil is continuously increased, and the purpose of driving the hydraulic motor to provide large enough traction force to the wheels is finally achieved.

The invention discloses a semi-continuous automatic feed liquid evaporation device and a feed liquid evaporation recovery method. The semi-continuous automatic feed liquid evaporation device comprisesa raw material tank, a separation chamber, a steam heating chamber, a condenser and a condensate recovery tank, wherein a separation chamber liquid level sensor is arranged on a pressure guide pipe connecting the lowest end of a lower circulation pipe with the uppermost end of the separation chamber, a steam regulating valve is arranged at a steam inlet of the steam heating chamber, the separation chamber liquid level sensor is in communication connection with a PLC, and the PLC is used for controlling the opening degree of the steam regulating valve; a secondary steam outlet in the top end of the separation chamber is communicated with the top end of the condenser through a steam pipeline, a condensate outlet of the condenser is communicated with the condensate recovery tank by a condensate inlet valve and a pipe, and a condensate discharge valve is arranged at a condensate outlet of the condensate recovery tank. The device can realize continuous feeding, intermittent discharging andfull-automatic operation, and has remote operation function.

The invention discloses a height adjusting device for optical detection. The height adjusting device for optical detection comprises a detection frame, a detection platform which is arranged in the front of the detection frame and installed on a guide rail, a pulley block which is arranged on the upper portion of the detection frame and a balance weight which is arranged in the rear of the detection frame; the central of the balance weight is provided with a through hole; the through hole of the balance weight is embedded into a straight rod; two ends of the balance weight are connected to one ends of a first steel wire rope and a second steel wire rope; the other ends of the first steel wire rope and the second steel wire rope are connected to two ends of the detection platform through the pulley block; a linear bearing is arranged between the through hole of the balance weight and the straight rod; the linear bearing can vertically move along the straight rod; a transition block is arranged between a moving block of the linear bearing and the through hole of the counter weight block; the transition block is connected with the moving block through a first bolt. The height adjusting device for optical detection has the advantages of reducing the labor intensity of operators, being smooth in operation and good in balance performance, having an automatic adjusting function, avoiding the counter weight block from swinging, enabling stress of the steel wire ropes to be uniform and guaranteeing the height detection efficiency and the repeatability of detection data.

The invention relates to a roller pin screening and distinguishing device which comprises a base and a fixing frame. The base is fixedly connected with the fixing frame. Supporting pillars are fixedlyconnected to the upper end of the base, and the inner surfaces of the lower ends of the supporting pillars are fixedly connected with reset springs. Adjusting pillars are fixedly connected to the upper ends of the springs, and the upper ends of the adjusting pillars are fixedly connected with a discharging plate. A first screening plate, a second screening plate and a third screening plate are movably installed in the fixing frame, and the first screening plate, the second screening plate and the third screening plate are fixedly connected through connecting supports. By means of the roller pin screening and distinguishing device, due to screening holes with different hole diameters in the multiple sets of screening plates, roller pins with different diameters can be distinguished, the roller pin screening speed is increased, meanwhile, self adjustment of the discharging speed of roller pins is achieved, the stacking phenomenon of the roller pins is avoided, and screening can be fastand stable.

The invention belongs to the technical field of head-mounted products, and particularly relates to a mechanical anti-shake mechanism and a head-mounted electronic product. The mechanical anti-shake mechanism comprises an outer balance ring, an inner balance ring, an installation platform and a balancing weight fixed on the lower side of the installation platform, wherein the installation platformis arranged inside the inner balance ring and is rotatably connected with the inner balance ring, the inner balance ring is arranged inside the outer balance ring and is rotatably connected with the outer balance ring, a rotating shaft of the installation platform is perpendicular to a rotating shaft of the inner balance ring, a rotating shaft of the outer balance ring is perpendicular to a rotating shaft of the inner balance ring, a first mechanical torsion piece is arranged on the rotating shaft of the installation platform, a second mechanical torsion piece is arranged on the rotating shaftof the inner balance ring, and a third mechanical torsion piece is arranged on the rotating shaft of the outer balance ring; the head-mounted electronic product comprises a shell, a camera and a mechanical anti-shake mechanism, wherein the third mechanical torsion piece is fixedly connected with the rotating shaft of the outer balance ring and the shell respectively, and the camera is fixed on the upper side of the installation platform. The problem that the camera of the head-mounted electronic product has complex anti-shake structure and inconvenient installation is solved and manufacturingcost can be reduced.

The invention relates to a guide structure for an upper cutter of a bag making machine. The guide structure comprises a lifting cross rod for arranging the upper cutter, wherein the end part of the lifting cross rod is arranged in a U-shaped groove in the upper end of a rack plate through a bearing in a sliding way; an elastic guide structure is arranged on the rack plate, and is in sliding connection with a sliding sleeve on the rack plate; the upper end of the sliding sleeve is fixedly connected with the lifting cross rod, and a sliding chute is formed in the lateral surface of the sliding sleeve; the elastic guide structure comprises a guide frame hinged to the inner side of the rack plate; the guide frame is of a T-shaped structure, and comprises a guide side plate and a cross plate which are fixedly connected with each other; the guide side plate is arranged on the rack plate in a rotating way; a first roller arranged in the sliding chute of the sliding sleeve is arranged at the upper end of the guide side plate; the end part of the cross plate is elastically connected with the rack plate through a spring vertically arranged on the lateral surface of the rack plate. The guide structure is simple, reasonable in design and compact; the elastic guide structure is used for realizing swinging guide, so that abrasion caused by hard sliding to the structure is avoided, the service life is prolonged, and a self adjustment function is realized.