34results about How to "Difficult to align" patented technology

The present invention discloses a track-mounted movable light-steel joist. It includes main joist, auxiliary joist and hanger rod, the described main joist is divided into upper joist and lower joist, the upper joist and lower joist are connected by means of easy slide fit, the lower joist and auxiliary joist are connected by means of cross fit, said invention utilizes the slide-regulation of relative positions of lower joist and upper joist to attain the goal of regulating horizontal position of lower joist. The described hanger rod can be movably connected with upper end face of upper joist by means of a horizontal regulator, so that the effective length of said hanger rod can be regulated.

The invention relates to a lifting device for a rotor of a wind turbine, consisting of a turbine hub and rotor blades fixed thereon, having the following components: at least one receiving device which can be fixed to a blade root region of the rotor; guiding means which can be attached to the receiving device and which has at least one carrier element for receiving and fixing cable carriers, wherein the carrier element is connected to the guiding means in a movement-flexible manner such that the rotor is aligned properly for assembly before being assembled on a rotor shaft of the wind turbine. The aim of the invention is to provide a lifting device for rotors which is easy to assemble and disassemble and which enables the rotor to automatically align into a correspondingly optimal bearing position for assembling onto the turbine hub when undesired torque acts on said rotor.

The invention relates to the technical field of connector equipment, and provides a connector. The connector comprises a male seat and a female seat, wherein the female seat is provided with a convex part; the convex part is matched with the male seat in a propped manner through propping structures; each propping structure comprises a horizontal mounting hole, a horizontal elastic component, a horizontal ball and a groove. In the connector, through the elastic propping of the horizontal elastic components, the elastic balls are propped against the corresponding grooves, so that the convex part can be steadily matched with the male seat. Therefore, compared with the conventional connector, the connector has the advantages that through the propping structures, the convex part can be matched with the male seat in a propped manner, so that the male seat can be steadily connected with the female seat, which avoids the problems of difficult alignment, inconvenient insertion / removal and loose connection of the male seat and the female seat.

A simple, multi-spectral flame detector is disclosed. Such a flame detector has an optical imaging system that is adapted to project several images of the flame onto the same camera. The images are from differing spectral regions. The imaging system comprises several lens devices arranged side by side, e.g., the imaging optics comprise several lens devices arranged side by side, such that each lens device is receiving part of the light from the flame. Each lens device projects one image onto one region of the camera. In this configuration, no beam splitters or mirrors are required, such components being expensive and difficult to align.

The invention discloses an optical fiber electric field sensor, which belongs to a photoelectric measuring device and measures an electric field based on the photoelectric effect. The optical fiber electric field sensor comprises a collimating lens, a polarizer, a Lambda / 4 wave plate, an electro-optic crystal, an analyzer, and a coupling lens, which are sequentially placed on an optical path. The optical elements are embedded onto an organic glass substrate, the organic glass substrate is provided with grooves matched with the embedded optical elements in shape and order, the optical elements are adhered together by optical adhesive, and the optical elements and the organic glass substrate are adhered together by optical adhesive. The optical elements are not easy to shift. The collimating lens and the coupling lens are on the same line in the same plane. The structure is stable. The lenses can be aligned with each other easily. The coupling efficiency is high. Connection and debugging of an optical path system are convenient. The reliability and stability of the sensor are greatly improved. The process is greatly simplified.

Provided are an under-fill material which is capable of reducing a difference in thermal response behavior between a semiconductor element and an adherend and which makes it easy and convenient to perform alignment for mounting the semiconductor element, a sealing sheet including the under-fill material, and a method for producing a semiconductor device using the under-fill material. In the under-fill material of the present invention, a haze is 70% or less before a heat curing treatment, and a storage elastic modulus E′ [MPa] and a thermal expansion coefficient α [ppm / K] after the under-fill material is subjected to a heat curing treatment at 175° C. for 1 hour satisfy the following formula (1) at 25° C.: 10000<E′×α<250000 [Pa / K].

A leadframe (100) for electronic systems comprising a first sub-leadframe (110) connected by links (150) to a second sub-leadframe (120), the first and second sub-leadframe connected by tiebars (111, 121) to a frame (130); and each link having a neck (151) suitable for bending the link, the necks arrayed in a line (170) operable as the axis for bending the second sub-leadframe towards the first sub-leadframe with the necks operable as rotation pivots.

An inventive optical functional device includes: two optical waveguides having mutually different equivalent refractive indices; and a connection through which the two optical waveguides are connected along an optical axis. The two optical waveguides are provided as a first optical waveguide, and a second optical waveguide having an equivalent refractive index lower than that of the first optical waveguide, respectively. The connection, through which the first and second optical waveguides are connected along the optical axis, is formed by selectively enlarging the width of the second optical waveguide, and is allowed to function as a multimode interference waveguide. The connection allows multimode propagation of a light passing through the second optical waveguide, and allows the light to be coupled into the first optical waveguide.

The invention relates to the technical field of connector equipment, and provides an absorption connector. The absorption connector comprises a male seat and a female seat which are connected with each other, wherein magnets which are attracted to each other are respectively arranged on a connecting surface of the male seat and a connecting surface of the female seat; the periphery of the female seat is circumferentially extended to form a peripheral wall; the male seat is sleeved in the peripheral wall. The male seat and the female seat are adopted in the absorption connector; the periphery of the female seat is circumferentially extended to form the peripheral wall, so that the male seat can be firstly sleeved in the peripheral wall; then the magnet on the connecting surface of the male seat is attracted to the magnet on the connecting surface of the female seat, so that the male seat and the female seat can be steadily connected with each other. Therefore, compared with the conventional connector, the connector has the advantages that through the limiting on the male seat by the peripheral wall of the female seat, and the mutual absorption of the two magnets, the male seat can be steadily connected with the female seat, which avoids the problems of difficult alignment, inconvenient insertion / removal and loose connection of the male seat and the female seat.

The present invention discloses one kind of heating screw for plastic processing machine and its making process. The heating screw includes one screw, at least two sections of porous refractory bricks in one line inside the screw, and one heating element set inside the long through hole in the porous refractory bricks. The heating screw has the advantages of simple structure, easy installation, etc. It is applied in plastic pelletizing machine, plastic injection molding machine, blow molder, plastic extruding machine and other plastic processing machines.

The invention relates to the technical field of stainless steel pipe fittings, in particular to an annular clamping type anti-frozen-off stainless steel pipe fitting. The stainless steel pipe fittingcomprises a connector and a connecting pipe; the connector comprises a limiting ring, a first inner clamping ring, a second inner clamping ring and an outer clamping ring; the connecting pipe comprises a circulating end, outlet ends and a connecting end; the number of the outlet ends is 2; and the connecting end is welded to the connector. According to the stainless steel pipe fitting, the secondinner clamping ring provides buffer space for the connecting pipe which is inserted into the connector, so that the difficulty of inserting the connecting pipe is lowered, and welding is easy; the first inner clamping ring and the second inner clamping ring provide buffer space for the connector for contracting inwards, and the outer clamping ring provides a buffer space for the connecting pipe for expanding outwards, so that the connector and the connecting pipe are prevented from being frozen off; and the connecting effect and the sealing performance between the connecting pipe and the connector are more stable and reliable, the connecting pipe can enter the connector more easily, the welding difficulty is lowered, and the connector is prevented from being frozen off.

The invention discloses an assembly type bridge cantilever bent cap assembling tool structure which comprises a transfer vehicle, a lifting device is detachably mounted on the transfer vehicle, a mounting platform is fixedly mounted at the top of the lifting device, four stabilizing mechanisms are arranged on the transfer vehicle, a turnover device is arranged on the mounting platform, a lifting mechanism is arranged on the top of the turnover device, a clamping mechanism is arranged on the right side of the turnover device, a sending-out mechanism is arranged on the left side of the turnover mechanism, a lifting mechanism is arranged on the top of the turnover mechanism, buffering mechanisms are arranged at the front end and the rear end of the right side of the bottom of the mounting plate correspondingly, and the turnover device comprises a turnover frame welded to the mounting platform. According to the device, during actual use, accurate height adjustment can be carried out, so that workers can align the bent cap conveniently in the installation work, time is saved, efficiency is improved, the bent cap is not lifted, and therefore the bent cap does not shake and is high in safety.

The invention discloses a track-type movable light steel keel, which comprises a main keel, an auxiliary keel and a suspension rod. The main keel is divided into an upper keel and a lower keel. The keel is connected in a crisscross manner, and the relative position of the lower keel and the upper keel can be adjusted by sliding to achieve the purpose of adjusting the horizontal position of the lower keel; Effective length of the rod. The advantages of this track-type movable light steel keel are: because the upper keel and the lower keel adopt a sliding fit structure, and the effective length of the boom can be adjusted by the horizontal adjustment code, not only can the horizontal position of the lower keel be adjusted laterally by sliding, but also The vertical height of the main keel can be adjusted longitudinally, so that the installation position of the ceiling or wall can be adjusted flexibly; it not only saves the construction time on site, improves the work efficiency, but also has a better overall effect of the ceiling.

The invention discloses a goods shelf convenient for an intelligent manipulator to grab goods. The goods shelf comprises a main body frame, wherein three placing plates are longitudinally arranged inan inner cavity of the main body frame, guiding rails are welded to two sides of the inner cavity of the main body frame correspondingly, front-back guide mechanisms are arranged on two sides of a containing plate, a locking mechanism I is arranged at the top of the front-back guide mechanism, an up-down guide mechanism located in an inner cavity of the guide rail is arranged on the left side of the front-back guide mechanism, a locking mechanism II is arranged on one side of an up-down guide mechanism, and three stable supporting legs which are distributed at equal intervals are fixedly mounted at the bottom of the main body frame. When the placing plates are full of goods and the warehouse needs to be delivered, an intelligent manipulator can grab goods from multiple directions, the conditions for grabbing the needed goods are further met, the intelligent manipulator is flexible and convenient, manual carrying is not needed, labor is saved, rapidness is achieved, working efficiency is improved, the goods are not likely to be damaged due to collision with a goods shelf, and losses are reduced.

A theft-resistant sign bracket for use with a ballistic fence comprises a bracket member having a slot for a one-way bolt used to secure a sign to the bracket, an internal space, elongated in the direction of elongation of the slot, for receiving and preventing rotation of a nut engaged with the shank of the bolt while allowing positioning of the nut and bolt at a desired location along the slot, and a metal tie strip extending through an internal passage in the bracket and capable of being passed through two spaced openings in the ballistic fence for securing the bracket to the fence. One or more grooves formed in the space through which the tie strip extends prevent lateral movement of the bracket relative to the tie strip.

A wireless power transmitting device is disclosed. The wireless power transmitting device includes a first communicator comprising communication circuitry configured to communicate with a wireless power receiving device, a wireless power transmitter configured to supply wireless power to the wireless power receiving device, and a first controller configured to control the wireless power transmitter to supply initiating power for obtaining wireless power efficiency to the wireless power receiving device and to control the wireless power transmitter to supply driving power for driving an electronic device including the wireless power receiving device to the wireless power receiving device based on the wireless power efficiency being a predetermined value or greater based on information received from the wireless power receiving device through the first communicator.

The present invention discloses one kind of heating screw for plastic processing machine and its making process. The heating screw includes one screw, at least two sections of porous refractory bricksin one line inside the screw, and one heating element set inside the long through hole in the porous refractory bricks. The heating screw has the advantages of simple structure, easy installation, etc. It is applied in plastic pelletizing machine, plastic injection molding machine, blow molder, plastic extruding machine and other plastic processing machines.

The invention discloses an anti-running line structure used for steel bar straightening equipment. The structure includes a beam, a first driven wheel, a crimping structure, and a second driven wheel. The first driven wheel and the second driven wheel are connected on the same axis. There is a beam between the first driven wheel and the second driven wheel. The two ends of the beam pass through the center of the first driven wheel and the second driven wheel through the column and are fixed on the straightening equipment. There is a crimping structure in the middle of the beam. The structure and the crossbeam are perpendicular to each other, and the crimping structure and the crossbeam are connected by threads. The present invention cooperates with the crossbeam and the crimping structure, and utilizes the combination of the fineness of the steel bar after straightening, which is easy to warp and the principle of leverage, to back-press the steel bar. , to prevent the phenomenon of "running the line", and at the same time, the warped end of the steel bar after back pressure is accurately inserted between the two small driven wheels because of the height drop.

The invention relates to the technical field of connector equipment, and provides an absorption connector. The absorption connector comprises a male seat and a female seat which are connected with each other, wherein magnets which are attracted to each other are respectively arranged on a connecting surface of the male seat and a connecting surface of the female seat; the periphery of the female seat is circumferentially extended to form a peripheral wall; the male seat is sleeved in the peripheral wall. The male seat and the female seat are adopted in the absorption connector; the periphery of the female seat is circumferentially extended to form the peripheral wall, so that the male seat can be firstly sleeved in the peripheral wall; then the magnet on the connecting surface of the male seat is attracted to the magnet on the connecting surface of the female seat, so that the male seat and the female seat can be steadily connected with each other. Therefore, compared with the conventional connector, the connector has the advantages that through the limiting on the male seat by the peripheral wall of the female seat, and the mutual absorption of the two magnets, the male seat can be steadily connected with the female seat, which avoids the problems of difficult alignment, inconvenient insertion / removal and loose connection of the male seat and the female seat.

The invention discloses a line deviation preventing structure for steel bar straightening equipment. The line deviation preventing structure structurally comprises a cross beam, a first driven wheel,a line pressing structure, and a second driven wheel. The first driven wheel and the second driven wheel pass the same axial line. The cross beam is arranged between the first driven whee and the second driven wheel. Two ends of the cross beam penetrate through the centers of the first driven wheel and the second driven wheel through stand columns and are fixed to the straightening equipment. Theline pressing structure is arranged at the middle of the cross beam. The line pressing structure is perpendicular to the cross beam. The line pressing structure is in threaded connection with the cross beam. The cross beam and the line pressing structure cooperate, and the fact that when a steel bar is straightened, thickness changes and up-wrapping is liable to occur is combined with the lever principle. The steel bar is pressed back, and line deviation is prevented. Due to height falling of the up-wrapping end of the steel bar after pressing-back, the steel bar can be accurately inserted between the two driven wheels.

The present invention provides a round metallic wire rod that has of three-dimensional shape having prescribed dimensional accuracy and profile accuracy and having a cross-section non-circular part at a given portion without requiring additional processing. The invention is provided with a cross-section non-circular part-forming processing machine (20) for forming, at least at a portion of the round metallic wire rod, the cross-section non-circular part having a cross-section that is non-circular in an intermediate step for processing the round metallic wire rod into a predetermined three-dimensional shape. During bending, the cross-section non-circular part is bent into a given three-dimensional shape while being held by a wire rod holding part of a bending machine (30). By holding the cross-section non-circular part, the relative rotation between said cross-section non-circular part and the wire rod holding part is suppressed as compared with when the cross section is circular. Accordingly, the accuracy in bending a round metallic wire rod into a three-dimensional shape is improved.

The invention discloses a positioning plate for garment processing and cutting. The positioning plate comprises a pressing plate, a bearing plate and a connecting piece, wherein the pressing plate andthe bearing plate are connected through the connecting piece, so that the pressing plate can be turned over around the bearing plate; a first limiting mechanism is connected to the pressing plate, sothat one side of cut cloth is limited; the first limiting mechanism comprises a blocking piece and a movable sleeve; the movable sleeve is fixedly connected to the side wall of one side of the pressing plate; and one end of the blocking piece movably penetrates through the movable sleeve, and the other end of the blocking piece is fixedly connected to the bearing plate. According to the positioning plate, the two sides of the shoulder belt cloth are limited through mutual cooperation of the first limiting mechanism and a second limiting mechanism; and in the operation process, the shoulder belt cloth is placed on the bearing plate firstly, one side of the shoulder belt cloth is limited by the blocking piece, the shoulder belt cloth is placed between a first limiting block and a second limiting block in a mounting frame, and the other side of the shoulder belt cloth is limited by a second blocking block, so that the situation that the shoulder belt cloth is not easily aligned in the cutting process is avoided and the phenomenon of skewing is avoided.