41results about How to "Increase the amount of eccentricity" patented technology

The invention discloses an intelligent bracelet. The intelligent bracelet comprises a bracelet body, a first wrist band and a second wrist band, wherein a display screen assembly and a functional assembly are arranged in the bracelet body, and the functional assembly comprises a processor and a data collection assembly; a bending section is arranged in the middle of the bracelet body, extending sections are arranged at two ends of the bending section, and the bending radian of the bending section is matched with the shape of the human wrist; a connecting structure is arranged between the first wrist band and the second wrist band, and a wearing hole is formed among the bracelet body, the first wrist band and the second wrist band; a fastener is arranged between the two extending sections, and the fastener is hinged to one of the extending sections, and is in fastening connection with the other extending section. For the intelligent bracelet, the bracelet body is arranged to have the structure that the bending section is positioned in the middle, the extending sections are positioned at the two ends of the bending section, the wearing hole with the shape matched with that of the wrist is arranged among the bending section, the first wrist band and the second wrist band, so that the wearing is comfortable, and in addition, the fastener is arranged, so that the wearing stability is further enhanced.

The invention relates to a threading tube coupler of a wind generating set, which is provided with a left joint, a spring and a right part joint, wherein the end part of the front end of the left joint is in clearance fit connection with the end part of the rear end of the right part joint; the periphery of the left joint is provided with a stepped clamping groove; the spring is mounted in the stepped clamping groove; a blocking surface at the front end of the stepped clamping groove is lower than that at the rear end of the stepped clamping groove; one end of the spring is pressed against the blocking surface at the rear end of the stepped clamping groove; the other end of the spring is pressed against the end surface of the rear end of the right part joint; the outer periphery of the end part of the front end of the left joint is provided with a sliding key; and the inner peripheral surface of the right part joint is provided with a key slot matched with the sliding key. The threading tube coupler is expandable, so an input shaft of an electric generator and an output shaft of a speed increasing gearbox are convenient to install and disassemble by the coupler. The threading tubecoupler allows a left threading tube and a right threading tube to have certain eccentricity and higher eccentricity.

The invention provides a rotary compressor. The rotary compressor comprises a crankshaft (1), a first cylinder assembly and a second cylinder assembly, and a partition (2) is further arranged between the first cylinder assembly and the second cylinder assembly, and is a detachable structure which is integrally assembled by more than two partition units and can be detached. By the partition with the detachable structure, the eccentric diameter of the crankshaft does not require to be limited by the center aperture of the partition, the eccentricity of the crankshaft can be large to increase the maximum displacement of a pump of the compressor, requirements of actual large displacement are met, and the shortcoming that the maximum displacement of the rotary compressor is limited is solved. In addition, the eccentricity of the crankshaft can further be increased to reduce the thickness of a roller, then the overall power consumption of the compressor is reduced effectively, and energy efficiency is improved.

The invention provides a permanent magnet type quadrupole magnet and an assembling method thereof. The permanent magnet type quadrupole magnet comprises a metal skeleton with a containing cavity, a plurality of magnetic blocks and a plurality of jackscrews, wherein the magnetic blocks and the jackscrews are located in the containing cavity and arranged in a Halbach array mode. The top of each magnetic block is fixed to the inner side of the metal skeleton through the plurality of jackscrews and extrudes towards the center of the metal skeleton, so the side faces of every two adjacent magneticblocks are tightly attached, and the bottoms of the magnetic blocks are sequentially connected end to end to form a circular cavity. The invention further discloses an arrangement mode of the magneticblocks in the metal skeleton so as to improve the rate of finished products. When the permanent magnet type quadrupole magnet is assembled, an auxiliary tool is used, the auxiliary tool is taken outafter the magnetic blocks are fixed in place, then magnetic center measurement is carried out, and mechanical treatment is carried out on the outer circle of the quadrupole magnet skeleton according to the measurement result until the eccentricity of the magnetic center meets the design requirement.

The invention discloses a high-speed double-curved-surface polishing machine. The high-speed double-curved-surface polishing machine comprises a power component, lens clamping bases and grinding tool swinging heads. The power component comprises a motor and an eccentric adjustable planetary turbine and used for driving lenses, to be treated, which are fixed to the lens clamping bases to swing eccentrically in the circumferential direction. The grinding tool swinging heads are located over the lens clamping bases, are in one-to-one correspondence with the lens clamping bases and are used for polishing the surfaces of the lenses to be treated. According to the high-speed double-curved-surface polishing machine, by using the eccentric adjustable planetary turbine, an eccentricity adjustment structure is added in the lens polishing process, so that apertures of the lenses can be corrected quite conveniently, high-quality surface contours can be obtained, and the lens polishing quality is improved.

The invention discloses a terminal hole making actuator used for aircraft fuselage component lamination assembling. The terminal hole making actuator comprises a feeding mechanism, a revolution mechanism, a deviation adjusting mechanism, a rotation mechanism, a pressing chip removal mechanism and a system controller. The feeding mechanism, the revolution mechanism, the deviation adjusting mechanism, the rotation mechanism and the pressing chip removal mechanism are controlled by the system controller to carry out corresponding hole making operations. Eccentric adjustment of a tool within a large range is realized through plane thread transmission, various operations such as drilling, helical hole milling and boring can be implemented, hole making efficiency and quality of a fuselage lamination can be remarkably improved, and the terminal hole making actuator is especially suitable for being equipped with a fuselage automatic hole making system.

The invention provides a compressor, an air conditioner and a heat-pump water heater system. The compressor comprises a crank shaft component which comprises a rotation shaft and an eccentric portion. An installation portion is arranged on the rotation shaft, and the eccentric portion is detachably connected with the installation portion to form a rotation protrusion of the crank shaft component. By means of the compressor, the eccentric portion capable of being detachably matched with the installation portion on the rotation shaft is arranged, so that the rotation shaft can penetrate an inner hole of a partition plate of a middle pump of the compressor and is then assembled in the eccentric portion during assembly, the crank shaft eccentricity is prevented from being limited by the inner hole size, the crank shaft eccentricity can be larger, and the compressor displacement upper limit is improved.

The invention relates to a pavement roller oscillation device controlled by an electromagnetic clutch. A power transmission mechanism consists of a driving pump, a transmission shaft, an electromagnetic clutch and a drive pulley, wherein the drive pulley is arranged on the electromagnetic clutch and is opposite to an end cover of the electromagnetic clutch; an eccentric oscillation mechanism comprises an eccentric oscillation shaft and a driven pulley; a body of the eccentric oscillation shaft is of a cylinder shape; the shaft body is internally provided with a sliding groove which is parallel to the axial direction of the shaft body; an opening of the sliding groove is formed in the circumferential surface of one side of the shaft body; the sliding groove is internally provided with an eccentric sliding block; the bottom end of the eccentric sliding block is connected with the bottom of the sliding groove by an extension spring; and when the extension spring is in a reset state, the center of gravity of the eccentric oscillation shaft formed by the eccentric sliding block and the shaft body is positioned on the axis of the shaft body. The driving pump of a pavement roller is taken as a power source of the oscillation device, so that the effects of saving the space and reducing the cost can be realized; and the eccentricity degree of the eccentric oscillation mechanism can automatically change along with the rotating speed, so that the eccentric oscillation mechanism can be gently started, and the oscillation is rapidly stopped.

The invention provides a shaft structure applied to a compressor, the compressor with the shaft structure, an air conditioning device with the compressor and a vehicle with the air conditioning device. The shaft structure comprises a first shaft and a second shaft. A fixing hole is formed in the end face of one end of the first shaft and eccentrically arranged relative to the first shaft. One end of the second shaft is inserted into the fixing hole and is in interference fit with the fixing hole; and an unloading part is arranged on the inner side wall of the fixing hole and/or the circumferential surface of a partial section, extending into the fixing hole, of the second shaft. According to the shaft structure provided by the invention, the unloading part is arranged on the inner side wall of the fixing hole and/or the circumferential surface of the partial section, extending into the fixing hole, of the second shaft, so that interference connection expansion force caused by interference connection of the second shaft and the fixing hole can be reduced or even completely unloaded through the unloading part; therefore, the geometric tolerance deterioration of the roundness and cylindricity of the excircle of the first shaft can be effectively avoided, and the failure of the first shaft is further prevented.

A rotary cylinder type compressor includes: a cylinder that is rotatably placed in an inside of a housing; a rotor that is placed in an inside of the cylinder and is rotatable about an eccentric axis that is eccentric to a rotational central axis of the cylinder; and a partition member that partitions a working chamber formed between an outer peripheral surface of the rotor and an inner peripheral surface of the cylinder into a suction space and a compression space. When a pressure of fluid in the compression space is equal to or larger than a reference pressure, a contact stress, which is exerted at an adjoining portion between the outer peripheral surface of the rotor and the inner peripheral surface of the cylinder, is increased in comparison to a case where the pressure of the fluid in the compression space is smaller than the reference pressure.

A rotary compressor (1), wherein a drive shaft (70) is configured so as to have a lower-side eccentric part (76), a countershaft part (74), and a lower-side linking part (90) that links these two parts together, and moreover is configured such that ReL - eL < RS, where ReL is the radius of the lower-side eccentric part (76), RS is the radius of the countershaft part (74), and eL is the amount of eccentricity of the lower-side eccentric part (76). The lower-side linking part (90) is formed so that the outer surface thereof does not protrude to the outer side from the outer surface of the lower-side eccentric part (76), and the lower-side linking part (90) is provided with a reinforcing part (92) of which the outer surface is positioned farther to the outer side than is the outer surface ofthe countershaft part (74) in the radial direction of the drive shaft (70).

The invention discloses a frictionless quick-response balance system, comprising a cylinder body, a piston shaft sleeve, a lower end cover shaft sleeve, a steel wire rope and a piston rod; the piston rod is inserted into a hollow cavity of the cylinder body; the piston shaft sleeve is installed outside the upper end part of the piston rod in a sleeving manner; the outside of the piston shaft sleeve contacts the inside wall of the cylinder body; an upper end cover and a lower end cover are respectively arranged at the upper and lower end parts of the cylinder body; the lower end cover shaft sleeve is installed on the inside wall of the lower end cover in the sleeving manner; one end of the piston rod is arranged in the hollow cavity of the cylinder body, and the other end of the piston rod passes through the lower end cover shaft sleeve and stretches out from the hollow cavity of the cylinder body; the steel wire rope passes through the hollow cavity of the piston rod; the top part of the steel wire rope is fixed in a groove in the upper part of the piston rod by a nut; the lower part of the steel wire rope passes through the hollow cavity of the piston rod, is exposed outside the piston rod and is used for lifting a load. According to the frictionless quick-response balance system disclosed by the invention, the load can be moved up and down frictionlessly, and the influence on balance of an entire lifting device and a machine tool Y axis due to an eccentric force can be eliminated; therefore, the stability and the reliability of the work are improved.

In a rotary compressor (1), a lower-side connection part (90) is provided between an auxiliary shaft part (74) and a lower-side eccentric part (76) of a drive shaft (70); the distance obtained by subtracting the amount of eccentricity eL of the lower-side eccentric part (76) from the radius ReL of the lower-side connection part (90) is less than the radius RS of the auxiliary shaft part (74); andthe lower-side connection part (90) is configured such that the height HCL thereof is less than the height HPL of a lower-side piston (45), without the outer surface of the lower-side connection part(90) protruding beyond the outer surface of the lower-side eccentric part (76). A circumferentially extending inner circumferential groove (48) is formed on an end part of the lower-side piston (45) toward the lower-side-connection part (90) on the inner circumferential surface, the inner circumferential groove (48) being provided to avert contact between the auxiliary shaft (74) and the inner circumferential surface of the lower-side piston (45) when the lower-side piston (45) is on the outer circumferential side of the lower-side connection part (90) and the inner circumferential surface ofthe lower-side piston (45) is further outward than the outer circumferential surface of the lower-side eccentric part (76).