95results about How to "Achieve pre-positioning" patented technology

The invention relates to the field of electric connectors, in particular to an underwater plug-pull connector and a preparation method thereof, wherein the underwater plug-pull connector can be applied to the seafloor and other deepwater environments. The front end of the connector serves as a plug end, the connector comprises a shell, an insulator, a sulfide body and a contact piece connected with a conducting wire, and the contact piece, the insulator and the shell are fixed together in a vulcanization mode through the sulfide body. A locating step surface facing the front is installed inside the shell, a matching step surface which is in check fit with the locating step surface is installed on the outer circumferential surface of the insulator, the contact piece is installed inside an installation hole of the insulator in a plug-in mode, the rear side of the insulator is fixedly connected with a supporting piece, and an air exhaust gap is formed between the supporting piece and the inner wall surface of the shell. The fact that the insulator has enough strength to bear vulcanization injection force can be guaranteed through the supporting piece, and meanwhile, the air exhaust gap is formed between the supporting piece and the inner wall surface of the shell, so that during a vulcanization process, air inside the shell can be exhausted from the rear end of the shell through the air exhaust gap, and therefore, the problem that seal of an existing underwater plug-pull connector is not reliable is solved.

The invention belongs to the technical field of electric power systems, and relates to a high-voltage charged overhead bare wire intelligent rubber-coated spraying robot. A glue injection device comprises an opening-shaped fixing seat, clamping arms fixedly mounted on both sides of the fixing seat and an injection pressure ring fixed connected to the clamping arms; a driven wheel and a plurality of second blocking wheels are respectively fixedly mounted on both outer sides of a blocking plate in a transmission device, a driving wheel is fixedly mounted on a rotating motor, a conveyor belt is installed between the driving wheel and the driven wheel, a plurality of meshing gears are evenly mounted between the two blocking plates, the second blocking wheels are fixedly connected to a rotatingshaft of the spaced gears, the driven wheel is fixedly connected with one of the gears through the rotating shaft, a cabinet below the second blocking wheels is fixedly mounted with a plurality of limit posts, and the lower portion of the blocking plates is fixedly connected with an opening-shaped base. The high-voltage charged overhead bare wire intelligent rubber-coated spraying robot solves the problem in the prior art that injecting an insulating layer robot has a poor fixing effect on bare wires, resulting in poor rubber coating effect of the bare wires and easy electric leakage.

The invention discloses a turbine rotor fork-shaped blade mounting structure, and relates to the technical field of turbine blade installation. The invention aims to solve the problem that a mountingclerance cannot be eliminated when a traditional mounting blade is installed. The turbine rotor fork-shaped blade mounting structure is characterized by comprising a rotor and a fork-shaped blade connected to the rotor, a mounting seat is connected to the side wall of the rotor, an annular fork-shaped wheel groove is coaxially formed in the mounting seat and the rotor, a plurality of middle bladesare slidably clamped in the fork-shaped wheel groove, wheel grooves are formed in the side walls of the fork-shaped wheel grooves in the radial direction of the rotor, tail blades are arranged in thewheel grooves in a penetrating mode, and locking assemblies used for locking the tail blades are arranged in the wheel grooves. The turbine rotor fork-shaped blade mounting structure has the advantages of being simple and firm to mount and capable of effectively eliminating the mounting clearance.

The invention provides an electric fan which comprises a rotor component and a machine shell, wherein the rotor component comprises a bearing, a moving impeller and a magnetic ring; the magnetic ringand the moving impeller are correspondingly mounted at two ends of the bearing; the machine shell is equipped with a bearing chamber; the diameter of the magnetic ring is less than that of the bearingchamber; the magnetic ring is capable of penetrating through the bearing chamber; and after the mounting operation is completed, the moving impeller and the magnetic ring are correspondingly positioned at two ends of the bearing chamber. According to the electric fan provided by the invention, only one bearing is utilized, and the utilized bearing is positioned between the moving impeller and themagnetic ring which are mounted on a rotating shaft; during the assembling process, the magnetic ring penetrates through the bearing chamber; after the mounting operation is completed, the moving impeller and the magnetic ring are correspondingly positioned at the two ends of the bearing chamber; by the adoption of such a rotor component and machine shell assembling mode, the assembling operationcan be facilitated and the assembling process can be simplified; due to the use of only one bearing, the rotor component and machine shell assembling precision requirements are low, and the improvement of the assembling efficiency can be facilitated; and furthermore, the quantity of parts of the electric fan is reduced, so that the reduction of the product cost can be facilitated and the assembling efficiency can be further improved.

The invention discloses a solar panel tightening device, which comprises a guide rail, a clamping piece, a bolt, a pressure plate and a spring, wherein a clamping block accommodating groove is formed at the upper end of the guide rail; a blocking lead extending inwards is formed at the tail end of the opening of the clamping block accommodating groove; the upper part of the clamping piece is a bolt connecting part; the middle part of the clamping piece is provided with a bolt adjusting part provided with a bolt accommodating space; the lower part of the clamping piece is a clamping block part; a spring mounting hole is formed in the center of the bottom end of the clamping block part; one side of the bolt adjusting part is provided with a support check block matched with the blocking edge; the distance between the support check block and the clamping block part is slightly larger than the thickness of the blocking edge; the bolt is in threaded connection with the bolt connecting part, and extends into the bolt adjusting part; the pressure plate is positioned above the clamping piece and connected with the clamping piece through the bolt; and the upper segment of the spring is fixedly connected in the spring mounting hole. The solar panel tightening device has the characteristics of easiness and convenience in installing and high universality.

The invention discloses a rotary shaft double-head central hole vertical grinder, and aims to provide a vertical grinding device which has the advantages of simple structure, convenient operation andhigh efficiency, and can be adjusted according to the size and the length of different shafts. The invention will be realized according to the following technical scheme: an active center (9) is formed on the connecting shaft of the belt wheel (3), the active center is vertically upwards through a rolling bearing assembled by the pi-shaped base (1) platform and its bushing end cover (8), bearing the center hole of one end of shaft workpiece, the shaft-like workpiece is connected to a clamping device (10) on the slide rail (15) of the upright post by sliding method, and the central hole at theother end is coaxial with the tail seat rotary tip (12) of the tail seat bracket (14) above the upright post plate. The invention solves the problem that the traditional manual grinding mode has incomplete grinding and uneven grinding quality on the central hole oxide layer at two ends of the shaft and that it is difficult to guarantee the grinding quality of the central hole, large center jumpingand large error, and is easy to cause the problem of super-difference or rejection of the shaft parts.

The invention belongs to the technical field of electric power systems, and relates to a high-voltage electrified aerial bare conducting wire lifting crane and a rubber coating spray painting robot ofthe high-voltage electrified aerial bare conducting wire lifting crane. A lifting device in the lifting crane comprises a wire speed adjusting device and wire winding devices, wherein the wire speedadjusting device is installed in the middle of the upper end of a machine frame, and the wire winding devices are installed on the two sides of the wire speed adjusting device. The wire speed adjusting device comprises a supporting frame, a worm and a worm wheel, wherein the supporting frame is installed on the machine frame, the worm is arranged on the supporting frame, and the worm wheel mesheswith the worm. A second hand wheel is fixedly installed on the outer side of the worm wheel, and a plurality of third hand wheels are evenly and fixedly installed on the upper side of the worm wheel.Each wire winding device comprises a wire winding roller, a guide rod and a first hand wheel. The wire winding rollers are fixedly arranged at the free ends of the worm, the guide rods are fixedly arranged above the wire winding rollers, and the first hand wheels are installed on the outer sides of the wire winding rollers. Sliding blocks are arranged on the guide rod in a penetrative mode, and traction wheels are fixedly installed on the sliding blocks. Pull ropes which are used for lifting the rubber coating robot are wound around the wire winding rollers, and the free ends of the pull ropespass through the traction wheels. The problem that in the prior art, the potential safety hazard exists in the mode that an automatic spray painting robot is conveyed by a control system is solved.

The invention discloses a chain type clamp for butt joint of vacuum flanges, a mounting tool and a mounting method of the chain type clamp. The chain type clamp comprises a chain which can be in buttjoint to form an annular shape, wherein the chain comprises a plurality of clamping clacks which are hinged to each other, a fixing part used for abutting against the mounting tool is arranged on theouter surface of each clamping clack, and fastening screw holes for butt joint are formed in the head end and the tail end of the chain. The method comprises the following steps that firstly, a sealing ring made of metal materials is inserted between two flange surfaces to be jointed; during mounting, each clamping clack of the chain type clamp is fixed through a fixing rod, and preset positioningis achieved; a mounting rod can carry a fixing bolt, and the fixing bolt can be screwed into the butt joint position of the clamping clacks, the sealing ring is extruded through the flanges to enablethe sealing ring to deform and fill the portion between the flange surfaces to realize sealing, so that the non-contact type mounting of the chain type clamp is completed, the operation is simple, and rapid mounting and dismounting can be realized conveniently in a high-radiation environment.

The invention relates to the technical field of automobile part manufacturing, and discloses an automobile pipe fitting flaring machine. The automobile pipe fitting flaring machine comprises a rack; the rack is provided with a clamping mechanism, a ram and a punching die; the ram and the punching die are distributed on the two sides of the clamping mechanism respectively; the rack is provided with a material pushing plate, a material pushing groove with the lower end facing the material pushing plate, and a material pushing driving piece for driving the material pushing plate to move; the material pushing plate is provided with the material pushing groove; and the rack is provided with a feeding driving part for driving the ram to move so as to feed pipe materials in the pushing groove into the clamping mechanism and a stamping driving part for driving the stamping die to move so as to conduct flaring machining on the pipe materials clamped by the clamping mechanism. The automobile pipe fitting flaring machine has the following advantages and effects that a vibrating disc and a distributing groove are adopted for conveying the pipe materials into the pushing groove of the pushing plate; the ram pushes the pipe materials into the clamping mechanism; then the punching die is used for conducting flaring machining on the ends of the pipe materials; the clamping mechanism loosens the pipe materials after machining; the pipe materials fall into a discharging pipe; the automation degree is high; the machining efficiency is high; the labor intensity of workers is lowered; and the automobile pipe fitting flaring machine is suitable for machining of automobile parts such as automobile air suction pipes and the like.

The object of the present invention is to provide a flip positioning fixture to realize the pre-positioning of the workpiece without affecting the normal processing of the workpiece. The overturning positioning fixture includes a base and an overturning base set on the base which rotates around a horizontal axis. The overturning base is provided with a place for placing workpieces. The seat is detachably or telescopically equipped with an end locator on the side of the placement position, and the end locator has a function for blocking and cooperating with the surface to be processed of the workpiece so that the pressing mechanism can compress the workpiece. The stop position also has a removal position that is moved away from the surface to be processed of the workpiece. The pre-positioning of the workpiece is realized without affecting the normal operation of the workpiece.

The invention discloses a feeding device for a pipe end forming machine. The feeding device comprises a machine body provided with two supporting plates. Two rotary feeding mechanisms synchronously driven by the same power mechanism are arranged on the two supporting plates correspondingly. The same ends of the two supporting plates are both provided with inclined pipe conveying brackets, and theother ends of the two supporting plates are both provided with pipe rejection mechanisms. The portion, located on the upstream of the corresponding pipe rejection mechanism, of each supporting plate is provided with a pipe stop mechanism. A pipe detection mechanism is arranged between the portions, located between the two supporting plates, of the upstream of each pipe stop mechanism. Guide conveying parts are arranged on the tops, located on the downstream of the pipe detection mechanisms, of the two supporting plates. The guide conveying parts are inclined towards the pipe stop mechanisms and extend onto the pipe rejection mechanisms. The feeding device realizes automatic feeding of pipes during all the working procedures of a forming machine, online detection of machined pipe ends and rejection of unqualified pipes. The consistency between every two adjacent working procedures is good. The cycle of the pipe end machining and detection working procedures is greatly shortened. The working efficiency is greatly improved.

The invention discloses an air conditioner. The air conditioner comprises a base plate and an electric control box, and the electric control box is vertically installed on the base plate. A pre-positioning piece and a fixing structure are constructed at the bottom of the electric control box, an inserting part corresponding to the pre-positioning piece is constructed on the base plate, and the electric control box is suitable for being inserted and positioned with the inserting part of the base plate through the pre-positioning piece and then fixedly connected with the base plate through the fixing structure. According to the air conditioner, the mounting difficulty of the electric control box can be reduced, so that the mounting efficiency of the electric control box is improved.

The invention discloses a liner container molding structure and a molding method of a dishwasher. The inner container includes a middle cover and a top cover and a bottom cover respectively connectedto an upper end and a lower end of that middle cover. An upper flange structure extend upward is arranged at that edge of the top cover. The edge of the bottom cover is provided with a down flanging structure extending downward, the upper flanging structure and the down flanging structure are provided with a predetermined position structure opposite to the middle cover respectively, and the upperend edge and the lower end edge of the middle cover are provided with a predetermined position structure corresponding to the upper predetermined position structure of the up flanging structure and the down flanging structure respectively. As that for structure and the forming method of the inn container of the dishwasher are convenient and quick to form, the structure stability is good, the forming dimension precision is high, and the dishwasher has a good application prospect. The dishwasher inn container is characterized in that the structure and the forming method of the inner container ofthe dishwasher are convenient and fast, the structure stability is good, and the forming dimension precision is high.

The invention discloses a pupil detection method and device based on double cameras, relates to the technical field of pupil detection, and can improve the accuracy of a pupil detection result by adopting a pupil detection scheme of the double cameras. The method comprises the following steps: constructing a pupil detection environment of double cameras, and acquiring a detection frame picture which is shot by each camera at the same time and comprises a face image; respectively extracting a face image in each detection frame picture generated at the same moment to realize pre-positioning of aface region; identifying pupil edge information in the face image based on an ElSe algorithm, wherein the pupil edge information comprises a plurality of pupil feature point coordinates; and according to the pupil feature point coordinates of the two eyes in each face image, outputting a radius result of each pupil through mean value calculation. The device applies the method provided by the scheme.

The invention relates to a brake caliper for a disc brake, said caliper having a caliper frame (2) constructed to span the brake disc, and a housing (12) for accommodating a compression mechanism ), the compression mechanism is used to compress the disc brake. The housing (12) consists of an outer section (18), an inner section (30) substantially parallel to the outer section (18), and a bottom extending between the outer section and the inner section Sections and covering sections (38; 4) each made of sheet metal, wherein at least two of the sections (18, 30, 38; 4, 18, 30) are made of integral sheet metal elements constitute, and/or the fixed and floating bearings (64) consist of metal tubes (72) integrally formed by bending at least one of said metal plates constituting at least one segment (74) forming.

The embodiment of the invention discloses a mold assembling and disassembling device for an epoxy resin casting part. The device comprises a workbench, wherein a correction moving mechanism for adjusting the position of a mold is mounted on the surface of the workbench, and a lifting frame is mounted on the workbench. According to the device, the mold can be quickly positioned and fixed through apositioning inserting column and three pushing columns, meanwhile, adjustment can be carried out according to the size of the mold in the fixing process so that molds of different sizes can be fixed,in the implementation process of the device, the mold only needs to slide along the surface of a fixing table, the positioning inserting column can be jacked up in the sliding process of the mold, meanwhile the three pushing columns slide along sliding square holes until the left side surface and the right side surface of a mold base are respectively connected with the positioning inserting columnand the pushing columns, mold pre-positioning is achieved, then a driver drives a clamp holder to clamp and fix the mold base, the whole operation process is simple and convenient, the device can adapt to molds of different sizes, and the application range of the device is wide.