57results about How to "Accurate and quick installation" patented technology

A quick-positioning screw assembly includes a cap having an inside annular flange and a locating groove or locating rib extending around the inside wall, a mounting socket bonded to a mounting through hole of a first plate member and having a top positioning flange extending around the periphery and detachably forced into engagement with the locating groove or locating rib of the cap, a screw press-fitted into the inner diameter of the inside annular flange of the cap for threading into a screw hole on a second plate member to secure the first plate member to the second plate member, and a compression spring mounted in the cap around the screw and stopped between the inside annular flange of the cap and an inside annular flange of the mounting socket.

An antenna orientation adjustment device (200) include a camera (210), nut runners (220 and 230), and a motion controller (400). The nut runners (220 and 230) can be mounted on an azimuth adjustment bolt (160) and an elevation adjustment bolt (180), respectively. The nut runners (220 and 230) change the orientation of an antenna unit by applying motor power to the azimuth adjustment bolt (160) and the elevation adjustment bolt (180). The motion controller (400) calculates an angle position of the antenna unit (110) where a reception strength is maximum based on an image taken by the camera (210) and a reception strength of radio waves received by the antenna unit (110), and then adjusts the antenna unit (110) to the angle position where the reception strength is maximum by supplying a drive signal to the azimuth adjustment bolt (160) and the elevation adjustment bolt (180).

An electrical connector includes a locknut having an annular locating flange, a core tube for receiving the copper core, inner dielectric insulator and aluminum foil shield of a coaxial cable and supporting the braided metal wrapper and outer plastic sheath of the coaxial cable, a casing surrounding the core tube and having first and second tubular deformable portions and a vertical rear stop edge, and a barrel mounted on the casing between the first tubular deformable portion and the locknut and having a tapered inner surface portion and movable to compress the first and second tubular deformable portions against the coaxial cable and the core tube and an annular front stop edge for stopping a crimping tool used to crimp the casing.

The invention provides a magnetic pole installing device for a surface-mounted permanent magnet motor. The magnetic pole installing device comprises a locating mechanism (10) locating and fixing a rotor core (5), an indexing mechanism (1) driving the rotor core (5) to rotate and setting the angle, a guide mechanism (6) holding magnetic poles (4) and aligning the magnetic poles (4) and magnetic pole grooves of the rotor core (5), and a power pushing mechanism (7) pushing the magnetic poles (4) to install the magnetic poles in the magnetic pole grooves. The indexing mechanism (1) and the rotor core (5) rotate in linkage. The magnetic pole installing device effectively solves such problems as great difficulty in surface-mounted permanent magnet motor magnetic pole installing and low surface-mounted permanent magnet motor magnetic pole installing accuracy.

The invention discloses a multi-column-shaped inserting type multipurpose hanging piece, and relates to plate-shaped materials (marble, granite, artificial stones, porcelain plates, vitrified tiles, ceramic plates and glass) of building wall bodies and installation hanging pieces of indoor handiwork hanging pieces (mirror frames and photo frames). The multi-column-shaped inserting type multipurpose hanging piece is structurally composed of wall body hanging pieces and brick body hanging pieces. The brick body hanging pieces are installed on four corner portions of the inner side of a to-be-hanged brick body. The wall body hanging pieces are fixedly arranged on a wall body or a joist. The positions of the wall body hanging pieces correspond to the positions of the brick body hanging pieces on the to-be-hanged brick body. The brick body hanging pieces are inserted into the wall body hanging pieces, and the brick body is hanged on a wall. The multi-column-shaped inserting type multipurpose hanging piece has the advantages of being novel in structure, simple and convenient to process, low in cost, convenient to install, good in stability, easy to adjust, not prone to dropping and the like, thereby being a novel multi-column-shaped inserting type multipurpose hanging piece which integrates economy and practicability.

The present invention relates to an apparatus for centering a submerged entry nozzle. The present invention includes: a plurality of laser beam generators 20 that is disposed above a mold 3 for continuous casting to radiate a laser beam toward the center of the mold; a tundish moving unit 15 that moves a tundish 1 above the mold 3; and a control unit that is linked with the laser beam generators 20 and controls the tundish moving unit 15 to center the installation position of the submerged entry nozzle 5 provided at the lower portion of the tundish, in response to signals transmitted from the laser beam generators 20. According to the present invention, in addition to accurately and quickly centering the submerged entry nozzle 5, it is possible to maintain the submerged entry nozzle that has been centered, such that it is possible to minimize a channeling phenomenon of molten steel. Accordingly, it can be expected to improve the quality of a slab.

The application discloses a guide rail fixing device. The guide rail fixing device includes a guide rail fixing device body, the guide rail fixing device is provided with two rows of counterbore arrays, and one end surface of the guide rail fixing device is provided with guide rail installation grooves. The novel guide rail fixing device has a simple structure, simple materials, and is easy to process. At the same time, the novel guide rail fixing device can install and fix guide rails more accurately and quickly, and can adjust the straightness of the guide rails.

The invention provides a rotary wheel assembly which comprises a rotary wheel body. At least one set of grooves is formed in the outer circle face of the rotary wheel body in the axial direction, clamping bars matched with the grooves are detachably arranged in the grooves, and the clamping bars are flush with or lower than the outer circle face of the rotary wheel body. According to the rotary wheel assembly, rod-shaped workpieces can be conveyed to machining equipment to be machined fast and orderly through an automatic feeding device with the rotary wheel assembly, the rotary wheel assembly is suitable for conveying the rod-shaped workpieces of different dimensions, the structure is simple, and mounting is convenient.

The invention relates to a bridge guardrail column assembling tool and a guardrail column processing method, and solves the problem that in the prior art, a ribbed plate needs to be positioned by artificial marking when being welded onto a guardrail column so as to cause cumbersome operation and time consumption. The invention provides the technical points that the bridge guardrail column assembling tool comprises a frame body and a placement table arranged on the frame body and used for transversely horizontally placing the guardrail column, wherein clamping assemblies for clamping and fixingthe guardrail column are arranged at two ends of the placement table; rotary rods parallel to the length direction of the placed guardrail column are rotatably arranged at the positions, on the placement table, on two sides of the guardrail column; multiple groups of positioning plates for being abutted against the side wall of the guardrail column so as to position the ribbed plate are perpendicularly and fixedly arranged on the rotary rods; and the plate faces of the positioning plates are perpendicular to the axial directions of the rotary rods. Through the scheme, the ribbed plate can bedirectly spot-welded onto the guardrail column through the positioning plates abutted against the guardrail column in the follow-up process, and no marking is needed, so that the processing efficiencyof the guardrail column is greatly improved.

The invention discloses a connecting structure of a resonant cavity and an air filter air inlet pipe. The resonant cavity (2) is connected with a first connecting pipe (3) of the air filter air inlet pipe (1) through a second connecting pipe (4), an end socket of the second connecting pipe is sleeved on the outer side of an end socket of the first connecting pipe, first bosses (3b) distributed evenly along the circumference are arranged on the outer wall of the first connecting pipe, and second bosses (4a) distributed evenly along the circumference are arranged on the inner wall of the second connecting pipe. Under the guiding of guiding sections (A) of the first bosses, the second bosses rotate and move towards the air filter air inlet pipe until the second bosses are limited by a rotation stopping section (B) of the next first boss and can not keep rotating. Sponge gaskets (5) are arranged between the second bosses and annular limit steps. Assembling of the resonant cavity and the air filter air inlet pipe can reach a preset angle, conditions of distortion, deformation, obvious seams and the like at the connecting position of two components are avoided, and sealing performance of the resonant cavity is improved.

An electrical connector includes a metal locknut having an inner thread, an orifice defined and a retaining portion, an elastic cylindrical casing having a mounting base for fastening to the retaining portion of the locknut, a core tube inserted into the locknut and the cylindrical casing for receiving the center conductor and inner dielectric insulator of a coaxial cable and having a barbed flange for engaging the braided metal wrapper of the coaxial cable, a first tubular wall and a packing portion connected for engaging into the mounting base of the cylindrical casing, and a barrel mounted on the cylindrical casing and having a contracted inner wall portion adapted for compressing the cylindrical casing.

The invention relates to the field of building construction, in particular to a cast-in-place reinforced concrete arc-shaped boundary beam and a construction method.During construction, a formwork is manufactured in advance, an arc-shaped boundary beam reinforcement cage is bound through a reinforcement binding jig frame, and then an inner-edge finalization thin steel plate side formwork and an outer-edge finalization thin steel plate side formwork are fixed to a bamboo plywood bottom formwork in a bolting mode; a cast-in-place reinforced concrete arc-shaped boundary beam formwork system is formed, then a manufactured arc-shaped boundary beam reinforcement cage is hoisted into the cast-in-place reinforced concrete arc-shaped boundary beam formwork system, and finally concrete is poured to form a beam; precast concrete arc-shaped boundary beam units are used for controlling the side formwork thin steel plates to be pressed and fixed to form arcs, the radian fixing trusses are used for fixing the radian of the side formwork thin steel plates, the side formwork is fast in arc forming and high in precision, the side formwork is high in overall rigidity, and the bottom face connecting lug plates of the radian fixing trusses are fast connected with the bottom formwork in a bolted mode. The template manufacturing and mounting precision and efficiency are improved, the construction period is shortened, and the pouring forming effect is good.