782results about How to "High matching precision" patented technology

A coordinate detecting device is disclosed. The coordinate detecting device includes a resistance film, a common electrode which applies electric potential to the resistance film, a voltage supplying section which supplies a voltage to the common electrode, wiring which supplies the voltage to the voltage supplying section, an insulation film disposed between the common electrode and the resistance film, and an electric potential supplying section formed in the insulation film for supplying the electric potential from the common electrode to the resistance film. The coordinate detecting device detects a coordinate of a position on a panel when a user touches the position while an electric potential distribution is generated in the resistance film by being applied electric potential from the common electrode.

The invention relates to a novel large torque piling machine power head hardened reducer. The reducer comprises an engine body, a cover body, a central gear, an output shaft and more than two groups of planetary transmission mechanisms, wherein two ends of the output shaft are respectively supported on the engine body and the cover body in a penetrating manner; the output shaft at one side of the engine body is in end connection with a grouting device system; the central gear is connected onto the output shaft in a penetrating manner and is arranged between the engine body and the cover body; the more than two groups of planetary transmission mechanisms are supported on the engine body by taking the output shaft as a symmetric center; the planetary transmission mechanism comprises an input motor, and first-stage and second-stage planetary transmission mechanisms; the input motor is connected to an inclined gear shaft which is arranged in the engine body and the cover body through the first-stage and second-stage planetary transmission mechanisms; and the inclined gear shaft is meshed with the central gear. By adopting the more than two groups of planetary transmission mechanisms, the running power of the reducer is shunted; the reducer can stably and safely run for a long time under the large torque in matched with the meshed inclined gear shaft and the output shaft through the combination supporting of a roller bearing and a plane bearing; and the reducer has the advantages of compact structure, stable running, shunted work load, little equipment abrasion, low noise and long service life.

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 linkage mechanism of side moulds and a bottom mould of a bottle blowing machine. The side moulds and the bottom mould of the bottle blowing machine are connected by a linkage connecting rod device; the linkage of the side moulds and the bottom mould is realized by opening-closing motion of the side moulds and lifting motion of the bottom mould; the bottom mould descends when the side moulds are opened; the bottom mould ascends when the side moulds are closed until the set position is totally closed. The linkage of the side moulds and the bottom mould is realized by opening-closing motion of the side moulds and lifting motion of the bottom mould, and the linkage mechanism has a simple structure, is easy to manufacture and maintain, and reduces the manufacturing cost and the maintenance cost; each component is matched in a hinging or rolling mode and is free of mechanical shock during motion, so that the fault rate of each component is greatly reduced, the stability of the equipment is increased, the operation speed can be safely increased, the production efficiency is improved, and the noise is reduced at the same time.

This invention discloses a mini die device used for precision forming mini double gears, which comprises die backer, top column, spring, slide block, cavity die 6, terrace die 16, drift guiding-sheathing, drift pin 11, spacing ring, electrical heating coil, ejector rod, up inlaid 8, up drift pin 13 and pin 7, wherein the cavity die 6 has gear shape cavity, the 8 is inserted on the upside of the 6 and has a same axial center with 6, at least two pins are set inside 6 and 8 horizontally to fix the position; 13 inserts to the center hole of 8, and its upside connects the lower surface of 11, on the lower surface of 8 has cavity 15 which has a same axial center with 6. The device can finish the gear shaping and double-gears assemblage at the same time.

The invention provides a developer cartridge with a counting mechanism. The developer cartridge comprises a developer and the counting mechanism, wherein the counting mechanism is provided with protrusions which come in contact with a contact lever on an electronic photographing device so as to count the developer cartridge; and each protrusion has a first position and a second position in the direction perpendicular to a side wall of the developer cartridge, and is, in the first position, in contact with the contact lever, but is not, in the second position, in contact with the contact lever. The working principle of the developer cartridge adopting the counting mechanism is greatly different from the prior art. Therefore, the structure of the counting mechanism of the developer cartridge is simpler and more convenient and reliable; the production precision and the production cost are reduced; and the market competitiveness of the developer cartridge is improved.

The invention relates to a rotary valve type large torque hydraulic corner self-servo valve, which has the technical scheme that: a valve body (10) is concentrically arranged in a cylinder body cylindrical cavity (18); a valve sleeve (8) is concentrically arranged in a valve body cylindrical cavity (27); a right end of a valve plug (9) penetrates through the valve sleeve (8) so as to be concentrically arranged in the valve body cylindrical cavity (27); and an output shaft of a motor (3) is in key joint with an inner hole (46) on a left end of the valve plug (9) concentrically. Fixed stops (7) are respectively arranged on an upper part and a lower part of an inner wall of a cylinder body (4), and are in movable fit with the valve body (10); two blades (17) are fixed on an outer wall of the valve body cylindrical cavity (27), are arranged at an angle of 180 degrees, and are in movable fit with the cylinder body (4); and the fixed stops (7) and the blades (17) are in staggered arrangement with the blades (17). The rotary valve type large torque hydraulic corner self-servo valve has the characteristics of simple structure, easiness in processing, balance in stressing of the valve plug, large output torque, good dynamic property, flow gain linear, quick respond speed, and high control accuracy.

A novel 20-roller rolling mill is composed of integral rectangular machine frame, a roller box unit consisting of upper and lower roller boxes with rectangular saddle and lock unit, a dual-wedge regulator for said lower roller box and comprising swinging cylinder, swinging arm, connecting rod and wedge blocks, and the convexity controller consisting of hydraulic cylinder, rack bar and sectorial gear.

The invention discloses an ultrasonic rolling welding machine which facilitates installing and adjusting between a spindle system and an anvil block device of a welding machine. One side of a verticalframe is provided with a linear guiding rail extending in the vertical direction; an ultrasonic welding head of an upper frame body and an anvil block ring of a lower frame body are arranged in a centering mode; the upper frame body is used for mounting the first part of the spindle system of the upper frame body and the anvil block device of the lower frame body, and the upper frame body is connected to the linear guiding rail of the vertical frame in a coupled mode and can be adjusted up and down along the linear guiding rail; the lower frame body is used for mounting the second part of thespindle system of the upper frame body and the anvil block device of the lower frame body, and the lower frame body is connected to the linear guiding rail of the vertical frame in a coupled mode andcan move up and down along the linear guiding rail; a driving device is mounted on a main frame bottom plate and used for driving the lower frame body to move up and down.

The invention relates to a double-cycloid speed reducer of an RV-E type substituted industrial robot. The double-cycloid speed reducer of the RV-E type substituted industrial robot comprises a planetary transmission part and a double-cycloid transmission part, wherein the planetary transmission part comprises a central shaft, a sun wheel, a planet wheel and an input shaft, and the double-cycloid transmission part comprises a first cycloid wheel, a second cycloid wheel, a first eccentric bearing, a second eccentric bearing, an inner cycloid gear ring, a left machine frame and a right machine frame. The cycloid wheels are connected through a roller bearing in a penetrating mode, eccentric sleeves are installed in inner holes of the roller bearing, and an inner hole of the eccentric sleeve is an involute oblique inner tooth, and the involute oblique inner tooth is matched with an involute oblique outer tooth in a sliding mode on the input shaft. The oblique inner teeth and the oblique outer teeth are processed by a cutting machine tool with medium-slow production lines, a processing technology is simple, the production efficiency is high, the cost is low, and the matching accuracy of the oblique inner teeth and the oblique outer teeth is high. Elastic retainer rings are respectively arranged on outer sides of disc springs on two sides of the input shaft. The double-cycloid speed reducer aims at enabling phase difference of the two single eccentric sleeves to be 180 degrees-delta psi, wherein a small deflection angle delta psi is that wheel teeth of the first cycloid wheel 9 lean against one anticlockwise side of wheel teeth of an upper half region of the inner cycloid gear ring, and wheel teeth of the second cycloid wheel 21 lean against one clockwise side of wheel teeth of a lower half region of the inner cycloid gear ring. The shortcoming of repeated dismantling in the former invention is improved.

The invention discloses a vertical pipe jointing device for expansion corrugated pipes and a pipe jointing welding method. The vertical pipe jointing device comprises an upper and a lower expansion corrugated pipe hydraulic servo clamping mechanisms, a gap hydraulic servo adjusting mechanism and a device bracket, wherein the upper and the lower expansion corrugated pipe hydraulic servo clamping mechanisms are arranged by taking vertically and coaxially-jointed expansion corrugated pipes as centers, and consist of upper and lower corrugated pipe clamps and upper and lower clamp hydraulic servo transmission mechanisms; the upper and the lower corrugated pipe clamps are two symmetrical components which are connected to the upper and the lower expansion corrugated pipe hydraulic servo clamping mechanisms and of which the inner side cross sections have semi-8-shaped structures matched with the standard shape of a clamped corrugated pipe; and the upper and the lower corrugated pipe clamps are connected with pistons of the hydraulic servo transmission mechanisms respectively. By adopting the vertical pipe jointing device for performing horizontal pipe jointing operation on expansion corrugated pipes, high pipe jointing accuracy, high efficiency, high automatic degree and low labor intensity are achieved.

The invention discloses a compact shelving. The compact shelving comprises chain wheels, ground wheels, or comprises chain wheels, ground wheels, driving wheels and transmission shafts connected with the chain wheels and the ground wheels, or connected with the chain wheels, the ground wheels and the driving wheels. The chain wheels and the ground wheels, or the chain wheels, the ground wheels and the driving wheels are provided with polygon shaft holes connected with the corresponding transmission shafts. The chain wheels and the ground wheels, or the chain wheels, the ground wheels and the driving wheels are connected with the corresponding transmission shafts through the polygon shaft holes. The compact shelving transmission device has the advantages of simple assembling structure, rational and cooperative transmission structure, smooth and steady and reliable transmission movement and high transmission efficiency.

The invention discloses an automatic continuous forming mold of an automobile armrest framework. The automatic continuous forming mold comprises an upper mold assembly with a guide mechanism and a lower mold assembly, wherein the lower mold assembly is provided with a lower necking mold (18), a primary punching mold (4), a primary blanking mold (5), a secondary blanking mold (6), a thrice blanking mold (7), a lower bending mold (8), a lower correction mold (9), a lower forming mold (10), a secondary punching mold (11), a cutting mold (12), a material outlet (13), material supporting blocks (16 and 17) and a positioning block (20); the upper mold assembly is provided with an upper necking mold (21), a primary punching head (24), a primary blanking punching mold (25), a secondary blanking punching mold (26), a thrice blanking punching mold (27), an upper bending mold (28), an upper correction mold (29), an upper forming mold (30), a secondary punching head (31), a cutting punching head (32), a precise guide column (23), a guide hole (22), a first guide pin (33), a material pressing pin (44) and a second guide pin (47).

The invention discloses installation equipment used for civic buildings. The installation equipment comprises an upper barrel and a lower barrel. A guide rod capable of rising, falling and rotating is movably inserted into the upper barrel. A rotating drum is mounted in the lower barrel and provided with a plurality of through holes distributed in the circumferential direction. A rotating shaft of the rotating drum is parallel to the guide rod. The guide rod is aligned with the through hole located under the guide rod in an up-down manner. The through holes are used for accommodating flat head screws. The bottom end of the guide rod is provided with a pointed portion matched with the flat head screws. When the equipment is used, an electric head of an electric tool is in embedded fit with the top of the guide rod, the guide rod is pressed downwards, and the electric head drives the guide rod to rotate to enable the bottom of the guide rod to be in embedded fit with the screw head of one flat head screw; and then the lower end of the lower barrel is placed to a position needing screw fastening, and the electric head is continued to be pressed downwards until the lower end of one flat head screw makes contact with a wood board. After the flat head screw in one through hole is used, the rotating drum enables the next through hole to be aligned with the guide rod in an up-down manner, and thus, efficient and continuous operation is conducted conveniently.

The invention discloses a three pairs of sliding pair-spherical hinge-spherical hinge (3-PSS) mechanism-based coordinate measuring machine. The 3-PSS mechanism-based coordinate measuring machine is characterized in that: a three pairs of sliding pair-spherical hinge-spherical hinge parallel mechanism is provided; three motion sliding blocks are independently arranged on a pair of ball guide rails which are arranged in parallel and can slide freely along the ball guide rails respectively; the three motion sliding blocks are connected with one end of each of three pairs of link rods through one end of a universal joint respectively; the other end of each of three pairs of link rods are connected with a measuring moveable platform through the other end of the universal joint respectively; a measuring head is arranged on the lower plane of the measuring moveable platform; three indication gratings are fixedly connected to the three motion sliding blocks respectively; a scale grating and the pair of ball guide rails are arranged in parallel and are arranged on the guide rail mounting surfaces of guide rail cross beams; and the guide rail cross beams are suspended and fixedly connected to a pair of brackets. The 3-PSS mechanism-based coordinate measuring machine has high rigidity, a simple structure, high processing assembly property and low cost and can measure the three-dimensional space sizes, the shapes and the mutual positions of parts quickly and precisely.

The invention provides an EGR (Exhaust Gas Recirculation) valve, belonging to the technical field of machines. The EGR valve solves the problem that the existing EGR valve of the double-valve structure can not satisfy the higher emission standard. The EGR valve comprises a valve body of which the inner part is a cavity, wherein the valve body is provided with an inlet and an outlet, and the inletand the outlet are communicated with the inner cavity of the valve body; a valve rod partially connected with a power part is arranged in the valve body; the inner side of the valve body is provided with at least two extruded sealing sockets; the valve rod is provided with valve blocks which are of the same amount with the sealing sockets and correspond to the position with the sealing sockets along the axial direction of the valve rod; and a sealing structure is arranged between the valve blocks and the sealing sockets. The EGR valve is provided with a multi-valve structure composed of multiple valves and sealing sockets, so that the valve rod has high control precision to each valve, and thus the tightness of the EGR valve can be greatly improved.

Methods and devices for correcting underwater photon displacement and for depth sounding with a single-photon Lidar are provided. The method includes: acquiring a pointing angle of a photon emitted by the single-photon Lidar, and coordinates of a water-surface photon signal and a water-bottom photon signal returned by the photon emitted by the single-photon Lidar; performing a sea wave fitting according to the water-surface photon signal to determine a sea wave model; determining an intersection of the photon and an air-water interface according to coordinates of any water-bottom photon, the pointing angle and the sea wave model; determining an underwater displacement error of the photon according to the intersection, the sea wave model and the pointing angle; and correcting the coordinates of the water-bottom photon according to the underwater displacement error. The invention performs sea wave modeling through water surface photon signal and determines intersection of the photon and water-air interface.