32results about How to "Realize secondary positioning" patented technology

The invention discloses a pseudolite indoor navigation method based on a false point, wherein the method includes steps of regulating indoor pseudolite, and regulating a PRN number of a visible GPS satellite to the pseudolite; applying the regulated pseudolite to simulate the GPS satellite signal at the zone to be located, generating and sending the pseudolite signal; according to the pseudolite signal, acquiring and outputting the false point coordinate on the basis of the set agreement; judging the positioning zone according to the pseudolite coordinate; solving the GPS satellite coordinate; acquiring the pseudolite coordinate corresponding to the GPS satellite; according to the positioning zone, analyzing and calculating the false point coordinate, the pseudolite coordinate and the GPS satellite coordinate, and acquiring the current user coordinate. The pseudolite indoor navigation method has arranged the indoor pseudolite which is the same as the outdoor GPS satellite signal, and the demand of the indoor navigation can be completed by using an ordinary GPS receiver; compared with the other indoor navigation technology, the positioning precision is higher, the cost is lower, and the universality is stronger.

The invention discloses a clamping device for positioning a hard disk. The device comprises a hard disk placing box, a pushing block and an ascending mechanism, wherein the pushing block and the ascending mechanism are arranged on the hard disk placing box, the upper end of the ascending mechanism is connected with the sliding block, the two sides of the lower end of the ascending mechanism are provided with rolling wheels located in roller chutes and the hard disk placing box is provided with the roller chutes corresponding to the rolling wheels. According to the clamping device for positioning the hard disk provided by the invention, the rolling wheels are clamped by the chutes of rolling chutes and the rolling wheels are pushed to move upwards to drive the ascending mechanism to ascend, therefore, the pushing block is pushed to clamp a small hard disk, and the secondary location on the small hard disk can be realized; furthermore, positioning errors generated to the small hard disk due to narrow space at the first positioning can be prevented, the hard disk can be easily and stably placed, and the precise butting on the hard disks can be realized.

The invention discloses an automatic machine integrated with punching and riveting, which comprises a frame, a punching machine and a nail feeding machine are arranged beside the frame, a first conveyor belt and a second conveyor belt are arranged on the frame, the first conveyor belt is in parallel with the second conveyor belt, a plurality of tooling are arranged on the first conveyor belt and the second conveyor belt, the nail feeding machine is positioned beside the first conveyor belt, a rivet conveying arm and a transfer mechanical arm are arranged above the first conveyor belt, the rivet conveying arm sends rivets from the nail feeding machine to the tooling, the transfer mechanical arm conveys the tooling from the first conveyor belt to the second conveyor belt, and the punching machine is positioned beside the second conveyor belt, a bottom plate conveying arm and a discharging mechanical arm are arranged above the second conveyor belt; the bottom plate conveying arm sends thebottom plate to be processed to the tooling; the punching machine is used for punching the bottom plate and the rivets into a finished product; and the discharging mechanical arm sends the finished product out of the second conveyor belt. The automatic machine integrated with punching and riveting can achieve automatic production in a whole course, achieves the unattended operation mode of punching operation, has low requirements on production factors such as personnel, working environment and the like, shortens the production period and is stable in quality.

The invention provides a rotary welding positioning device of a lithium ion cylindrical battery cover plate. The rotary welding positioning device comprises a base, and a front clamping piece, a positioning assembly and a rear clamping piece are fixedly arranged on the central axis of the base in sequence, wherein the positioning assembly comprises an outer cylinder, at least two positioning plates are arranged inside the outer cylinder along the axial direction of the outer cylinder, and the back face of the positioning plate is fixedly connected with a cylinder wall of the outer cylinder through a spring; the positioning plate comprises a positioning plate body which the front surface is in an inwards-concave shape, the two ends of the positioning plate body are correspondingly connectedwith arc-shaped end plates extending towards the cylinder wall direction of the outer cylinder, and all the end plates are located outside the outer cylinder to form an outer trumpet shape; and a fixing part is fixedly arranged at the inner concave part of the positioning plate body, the fixing part comprises a hoop and a connecting rod, and freely-rotating balls are sleeved with the hoop. According to the device, the cylindrical battery with different diameters can be positioned in a floating mode, the rotating center of the cylindrical battery can be accurately positioned, so that the welding quality is improved; and a laser welding area is provided with a welding dust removal interface, so that the environmental pollution is reduced.

The invention discloses a clamping device for positioning a hard disk. The device comprises a hard disk placing box, a pushing block and an ascending mechanism, wherein the pushing block and the ascending mechanism are arranged on the hard disk placing box, the upper end of the ascending mechanism is connected with the sliding block, the two sides of the lower end of the ascending mechanism are provided with rolling wheels located in roller chutes and the hard disk placing box is provided with the roller chutes corresponding to the rolling wheels. According to the clamping device for positioning the hard disk provided by the invention, the rolling wheels are clamped by the chutes of rolling chutes and the rolling wheels are pushed to move upwards to drive the ascending mechanism to ascend, therefore, the pushing block is pushed to clamp a small hard disk, and the secondary location on the small hard disk can be realized; furthermore, positioning errors generated to the small hard disk due to narrow space at the first positioning can be prevented, the hard disk can be easily and stably placed, and the precise butting on the hard disks can be realized.

The invention discloses a wood lathe. The wood lathe comprises a main shaft box assembly, a knife bracket assembly, a tail bracket assembly, a lathe body and supporting legs as well as at least one lathe body extending piece, wherein the lathe body extending piece is arranged on one end, which is far from the lathe body, of the main shaft box assembly, or the lathe body extending piece is arranged on the supporting legs which are far from the main shaft box assembly, or the lathe body extending piece is arranged on the side of the lathe body and is close to the main shaft box assembly. The wood lathe provided by the invention has the advantages that the structure is simple, the design is ingenious, a main shaft box body can move to be used on the right end of the lathe body without disassembling a tail bracket, the secondary positioning is exactly and rapidly realized, the installation is convenient, the operation is simple, the time is saved, the labor is saved, the wood lathe has the good practicability, and the good economic benefits and the social benefits are generated.

The invention discloses a feeding device at the front of a bending center, which comprises a fixed base, a C-shaped pressing arm driving device, a C-shaped pressing arm, a rotating positioning mechanism, an auxiliary feeding manipulator, a front-end positioning assembly of a sheet material, and a left-side positioning assembly of the sheet material , the auxiliary pushing assembly on the right side of the sheet, the auxiliary pushing assembly on the rear side of the sheet, and the loading and unloading platform, a feeding device at the front of the bending center of the present invention, through a comprehensive sheet positioning method, the front and left ends of the sheet There are positioning stops, and the right and rear ends of the sheet are equipped with auxiliary pushing mechanisms, so that the positioning of the workpiece is more accurate, and the deviation caused by manual feeding is avoided. At the same time, for some special-shaped workpieces, the secondary positioning of the automatic workpiece can be realized through the mutual cooperation between the positioning mechanisms, which expands the processing range of the workpiece, thereby improving the utilization rate of the equipment.

The invention belongs to the technical field of tool clamps, and particularly relates to a full-automatic vertical tool clamp which comprises a vertical tool support and a tool plate, the vertical tool support serves as a clamping supporting face of the tool plate, an electromagnetic chuck is installed in the middle of the vertical tool support, and a travel switch is installed at the top of the vertical tool support. The full-automatic vertical tool clamp has the beneficial effects that the vertical tool support of the full-automatic vertical tool clamp is simple in structure, good in clamping effect, high in clamping efficiency and high in positioning precision, the occupied space of a tool is effectively saved, and the full-automatic vertical tool clamp is convenient to use, high in practicability and high in practicability. By adopting the roller conveying mechanism, the advancing resistance of the tool plate is effectively reduced, and the workpiece conveying efficiency and stability are effectively improved.