67results about How to "Avoid angular deviation" patented technology

The invention provides a lock mechanism for controlling action sequences and a vehicle-mounted tablet personal computer support frame comprising the lock mechanism for controlling action sequences. The lock mechanism comprises a base, a lifting table, fish head wheels, a spring bolt, a top rod and a middle shaft, wherein the base is provided with a first-stage guide rail in vertical extending, the lifting table can move along the first-stage guide rail, the fish head wheels are symmetrically arranged on the lifting table at the left side and the right side, and the middle shaft is arranged in the center position of the lifting table and is matched with the fish head wheels. The lock mechanism has the advantages that the action sequences can be effectively controlled, the defect of risk of misoperation of mechanical parts is overcome, meanwhile, the structure is simple, the operation force is small, the noise is low, and the service life is long. The vehicle-mounted tablet personal computer support frame has the advantages that the integral operation is convenient, through the coil spring assistance, damping and friction hinge mechanisms are matched, the operation comfort is realized, the actions are smooth and coherent, the opening and the closing can be respectively completed within five seconds, a tablet personal computer can be in the most comfortable use position and angle, after the use completion, the tablet personal computer can be hidden into an interior trimming surface along with a support frame, and the appearance of the interior trimming is not influenced.

The invention discloses a single-side dynamic balance tool comprising two parts, namely a vibration collector and a mobile phone/computer. The mobile phone/computer is provided with a tool module which comprises a text module, an image module, input modules, an output module and a button module. The application steps are as follows: firstly, collecting the dynamic balance data of a rotating machine with exceeding vibration; secondly, selecting and running the tool in the mobile phone/computer loaded with the single-side dynamic balance tool; thirdly, inputting the dynamic balance data in the input modules in sequence; and fourthly, selecting and clicking the button module for calculating, displaying two set of solutions of correction mass without trial mass and correction mass with trial mass, as well as two key information elements, namely an influence coefficient value and the vibration vector relational graph on the output module. The single-side dynamic balance tool is convenient and rapid, displays the result instantly, and simplifies and visualizes the complicated process intuitively.

The invention discloses automatic hand buckle buckling and pressing equipment. The automatic hand buckle buckling and pressing equipment comprises a frame, wherein a hand buckle feeding device, a woven bag feeding device and a stamping device are arranged on the frame; the stamping device is provided with a stamping station and a pressing and buckling station; a primary buckle feeding track and asecondary buckle feeding track are respectively arranged on the upper end surface and the lower end surface of a woven bag, corresponding to the pressing and buckling station, of the hand buckle feeding device; the primary buckle feeding track and the secondary buckle feeding track are respectively provided with filling mechanisms for feeding primary buckles into the primary buckle feeding track and feeding secondary buckles into the secondary buckle feeding track; and sorting mechanisms used for distinguishing and sorting the front faces and the back faces of the primary buckles and the frontfaces and the back faces of the secondary buckles are arranged on track paths of the primary buckle feeding track and the secondary buckle feeding track respectively. The automatic hand buckle buckling and pressing equipment provided by the invention can perform automatic production, improves the production efficiency and is used for automatic processing and assembling of woven bag punching and automatic buckling of hand buckles.

The invention provides an assembling method for a multi-camera module. The assembling method comprises the steps of providing multiple image sensor chips with suspending metal wires, wherein the first end of each metal wire is arranged on a bonding pad of each image sensor chip in a bonding manner, while the second end of each metal wire is suspended on each image sensor chip; providing a lens cone framework, wherein the lens cone framework adopts an integral structure and is suitable for assembling multiple groups of lens modules and the multiple image sensor chips; and assembling the multiple image sensor chips and the lens cone framework into standard components, and assembling the standard components and circuit boards into the multi-camera module through the second ends of the metal wires.

The invention discloses a tool for pressing a signal wheel on a camshaft. The tool for pressing the signal wheel on the camshaft comprises a locating base, wherein a locating hole is formed in the middle of the locating base, a base plate is arranged at the lower end of the front side of the locating base, and an end cover is arranged at the upper end of the front side of the locating base; a locating shaft installing hole is formed in the locating base; an inner cavity is formed in the end cover, and is communicated with the locating shaft installing hole, a locating sleeve is arranged in the locating shaft installing hole, a locating shaft is arranged in the locating sleeve, a locating block is arranged at the end of the locating shaft, and extends into a locating hole, the front end of the locating shaft is fixedly connected with a stud, a handle is installed on the stud, and a reset spring is arranged at the periphery of the stud; a locating pin is arranged on the locating shaft, and can move in the direction of the center line of the locating shaft installing hole. The tool for pressing the signal wheel on the camshaft is simple in structure, accurate in locating and reliable in operation, angle deviation caused in the process of press mounting of the signal wheel can be avoided, the product percent of pass is improved, and the press mounting cost is reduced.

An electrical signal connector for connecting a coaxial cable to a mating connector is disclosed to include a locknut, a metal central tube inserted through the locknut and defining a stop flange at one end, a barbed retaining portion at an opposite end, a locating groove around the periphery between the stop flange and barbed retaining portion and an annular bearing surface portion extending around the periphery between the stop flange and the locating groove, a chuck unit including a collar, which is press-fitted onto the annular bearing surface portion of the metal central tube and having longitudinal clamping strips suspending around the barbed retaining portion of the metal central tube, and a constraint shell surrounding the collar, and an actuation sleeve mounted within the constraint shell around the collar and manually axially movable relative to the chuck unit between two positions to compress or release the longitudinal clamping strips.

The invention discloses a clamp special for detection of feather of a shuttlecock.According to the technical scheme, the clamp is characterized by comprising a fixed support, a first slideway and a second slideway are fixedly connected to the fixed support, a fixed plate is arranged on the fixed support, a lifter is arranged on the fixed plate, a lifting plate is arranged on the lifter, a clamper is arranged on the lifting plate, a pusher driven by the clamper is arranged on the lifting plate, and a pushing rod is arranged on the pusher; the clamper comprises a first clamp piece set and a second clamp piece set which abut against each other, the first slideway is located above the second slideway, the first clamp piece set is fixedly connected to the pushing rod, the second clamp piece set is fixedly connected to the lifting plate, the clamper is arranged on the bottom of the lifting plate, a supporting plate abuts against the bottom of the clamper, an expansion piece allowing the supporting plate to slide is arranged on the side, away from the clamper, of the lifting plate, a presser is arranged on the top of the lifting plate, a pressing plate is arranged on the presser, and a pressing rod abutting against the supporting plate is arranged on the pressing plate.

The embodiment of the invention discloses a panoramic information acquisition pose acquisition method, device and system, and the method comprises the steps: employing the interaction between face recognition equipment and image collection equipment, comparing the face information collected by the face recognition equipment with a panoramic image collected by the image collection equipment, obtaining the position of the face information in the panoramic image, and determining the relative included angle between the face recognition device and the image acquisition device; after the face recognition equipment obtains the pose parameters of the face recognition equipment, acquiring the pose parameters of the image acquisition equipment according to the relative included angle. The pose parameters of the image acquisition equipment are acquired according to the pose parameters of the face recognition equipment in combination with the relative included angle, so the problem of angular deviation during splicing due to the fact that panoramic images acquired by the image acquisition equipment do not have the pose parameters is avoided.

The invention belongs to the field of structural assembly of soil engineering and relates to a zero-earthing corrugated plate holing structure. The holing structure comprises two bases and an arched corrugated plate structure spanning the two bases; a plane determined by one side, away from the arched corrugated plate structure, of each of the two bases is a first plane; the holing structure further comprises a corrugated plate reinforcing structure arranged on one side, facing the first plane, of the arched corrugated plate structure, an arched reinforcement structure surrounding the exteriorof the arched corrugated plate structure and a lead large pipe shed steel pipe limiting structure, the lead large pipe shed steel pipe limiting structure comprises front end I-steel, tail-end I-steeland one or more lead large pipe shed steel pipe sleeves spanning the front end I-steel and the tail-end I-steel, and the front end I-steel and the tail-end I-steel are arranged on the two sides of the arched corrugated plate structure. With the adoption of the holing structure, safety during tunnel holing is improved, working efficiency and construction accuracy are improved, and a large quantityof manpower and material resources are saved.

The invention provides a wireless sensor network positioning method. The wireless sensor network positioning method comprises the following steps: S1, a beacon node broadcasts a data packet containingposition information of the beacon node, any node in a network acquires a first minimum hop value between the node and any beacon node, and the beacon node calculates a first average hop distance perhop to all the other beacon nodes in the network; S2, one optional node in the network is selected as a starting node, one optional beacon node in the network is selected as a target node, and a second minimum hop value between the starting node and the target node is calculated; S3, the beacon node calculates, corrects and broadcasts a second average hop distance per hop from the beacon node toall the other beacon nodes; S4, an unknown node corrects and stores the received second average hop distance per hop; S5, an estimated distance between the unknown node and any beacon node is calculated according to the second average hop distance per hop stored by the unknown node; and S6, the position of the unknown node is calculated according to the estimated distance.

The invention provides a building outer wall automatic crawling laser cleaning device which comprises laser cleaning equipment, a moving device, a shell, a wall climbing device, a driving device and a wall suction device, and the laser cleaning equipment is installed at one end of the moving device and used for generating laser beams needed by cleaning; the moving device is installed on the upper portion of the shell, the wall climbing devices are installed on the two sides of the shell, and the driving device is installed in the shell and used for driving the wall climbing devices to move; a wall suction device is installed on the shell and used for being sucked to the wall face. The wall-climbing robot carrying the laser cleaning machine is used for conducting full-automatic cleaning on the building coating of the building outer wall, and therefore the function of cleaning the surface of the building outer wall is achieved.

The invention provides a method for preparing a seed-crystal-free acoustic surface wafer of piezoelectric quartz, which belongs to a method for preparing the material for an acoustic surface wave device, and aims at solving the problems of long production period, low yield, low utilization rate of materials and high cost existing in the prior preparation method at home and abroad. The method comprises the following steps: seed crystal is placed in a high-pressure autoclave to culture crystal by hydrothermal temperature difference method; then, the crystal is cut into crystal wafers, wherein, the seed crystal is a seed crystal wafer in acoustic surface wave propagating angle with the dimension being 2 to 6 inches; sodium hydroxide aqueous alkali and sodium carbonate aqueous alkali are filled in the high-pressure autoclave, the seed crystal is placed on the upper part of the high-pressure autoclave, while raw materials for dissolving is arranged on the lower part of the high-pressure autoclave; the two kinds of solution convectively move upwards, so that the crystal is crystallized along the acoustic surface wave propagating angle to grow a crystal block according to the specification; according to the thicknesses of acoustic surface wafers required by different categories, cutting processing is carried out on the crystal block by wire cutting according to different thicknesses by taking a seed basal lamina as the standard of cutting angle, so as to obtain the seed-crystal-free acoustic surface wafer with the different thicknesses in the acoustic surface wave propagating angle.

The invention discloses a polyethylene film intelligent winding machine and a polyethylene film production method. The polyethylene film intelligent winding machine comprises a bottom plate, wherein the upper end face of the bottom plate is connected with side plates through supporting legs, the side plates are made of stainless steel of a quasi-rectangular structure, the surface of each side plate is provided with a feeding motor, one end face of each feeding motor is in transmission connection with a feeding shaft, the portion, located below the front portion of the corresponding feeding motor, of the surface of each side plate is provided with a pressing motor, and a pressing roller is installed between the two pressing motors through bearings. According to the polyethylene film intelligent winding machine, by arranging deviation correcting devices, the position of film is monitored in real time, the problem that an existing device cannot sensitively sense the deviation of the film is solved, the coping capacity of the device to the deviation of the film is improved, and a stable deviation correcting effect is achieved; and by arranging rotating rings, a foundation is laid for overall matching work of the device, and the use experience is improved.