58results about How to "The direction of movement is accurate" patented technology

The invention discloses a multi-base station frequency shift synthesized positioning method for a mobile terminal. The positioning method uses the own Doppler effect of the mobile terminal to synthesize the Doppler effects produced by multiple base stations relative to the mobile terminal to acquire a kinematic parameter of the mobile terminal, and further acquire the position, moving speed and moving direction of the mobile terminal by combining cell information, thereby implementing continuous and dynamic positioning of the mobile terminal. The positioning method is scientific and reasonable.

The invention discloses distributed laser radar. The distributed laser radar includes: a light generating unit, an information processing unit and a plurality of detection scanning units; the light generating unit is used for generating frequency modulation continuous waves and splitting the frequency modulation continuous waves to each detecting scanning unit for the first time; each detection scanning unit is used for splitting the frequency modulation continuous waves after primary splitting again to form a detection light beam and a reference light beam, emitting the detection light beam,receiving an echo light beam reflected by a target object in a target area, and determining relevant information of the target area according to the reference light beam and the echo light beam; and the information processing unit is used for integrating the relevant information of each target area to obtain a point cloud picture of the peripheral area of the distributed laser radar. The technicalscheme provided by the embodiment of the invention can enhance the detection real-time performance of the target objects in the target areas and can improve the speed measurement precision.

The invention relates to the technical field of agricultural devices, and discloses a rotary tillage stubble cleaner which comprises a shell. A knife roller assembly is rotationally arranged in the shell. A driving mechanism is arranged on the shell and in transmission connection with the knife roller assembly. A traction mechanism is arranged on the shell. A grass blocking fence and a cover shellare arranged on the shell. A stubble removal fence is slidingly arranged on the shell and is located between the knife roller assembly and the grass blocking fence and close to the grass blocking fence. An adjusting mechanism is arranged on the shell and can be used for driving the stubble removal fence to reciprocate. Strip-shaped holes are formed in a fence plate of the stubble removal fence. The aims of preventing root stubbles from getting stuck in the grass blocking fence in the stubble removal process and improving the soil layer covering effect can be realized.

According to the doubling winder, the tension adjusting mechanism is arranged on the doubling winder, the winding tension can be adjusted in real time according to the winding position, and the machining efficiency is high. The device comprises a bottom plate, a rotating seat, a tension adjusting mechanism, a speed reducing mechanism, a yarn guiding mechanism and a winding mechanism are sequentially arranged on the bottom plate, and the winding mechanism comprises a mounting seat, a roller and a first motor; the yarn guide mechanism comprises a mounting plate, a sliding groove is formed in the upper surface of the mounting plate, a lead screw is horizontally arranged in the sliding groove, a sliding block is fixed to the lead screw, a yarn guide ring is fixed to the top of the sliding block, and a second motor is fixed to the side face of the mounting plate; the speed reducing mechanism comprises a base, a fixed plate, a movable plate and a driving assembly; the number of the tension adjusting mechanisms is four, and every two tension adjusting mechanisms are symmetrically distributed.

The invention provides a hydraulic fork truck. Antiskid components on the hydraulic fork truck are convenient to replace, impacting damage and crushing damage on the antiskid components when objects are inserted and taken can be reduced simultaneously, and the service lives of the antiskid components are prolonged. The hydraulic fork truck comprises a hydraulic fork truck part; a plurality of grooves uniformly distributed in the length direction of a truck plate are formed in the truck plate of the hydraulic fork truck part; a rubber block and a buffering mechanism are arranged in each groove;each buffering mechanism is used for exerting the buffering effect after each rubber block is under the pressure; each buffering mechanism comprises an upper housing body, a lower housing body, springs, guide columns and guide holes; each upper housing body and each lower housing body movably sleeve with each other; the springs are arranged in each lower housing body and exert the buffering effect; the guide columns are arranged in each lower housing body; the guide holes fitting with the guide columns are formed in the bottom of each upper housing body; the springs sleeve the guide columns;the lower ends of the springs are bonded with the inner bottom surface of each lower housing body; the upper ends of the springs are bonded with the bottom of each upper housing body; each rubber block is detachably fixed to the upper surface of each upper housing body through bolts; a supporting column is arranged in each lower housing body; and an illuminating device is arranged on the truck plate of the hydraulic fork truck part further.

The invention provides a carrier band forming device. The carrier band forming device comprises a rack, a gas input unit, an upper forming die, a lower forming die and a clamping unit, wherein the upper forming die, the lower forming die and the clamping unit are connected with the rack. The clamping unit is opposite to the lower forming die in position. The distance between the clamping unit and the lower forming die can be adjusted. The upper forming die comprises an upper die base body and a plurality of forming cylinders. The lower forming die is provided with a plurality of lower die holes corresponding to the forming cylinders in position. The upper die base body is connected with the rack through an upper die driving unit. Gaps are reserved between all the forming cylinders and the hole walls of the lower die holes. The gas input unit is connected with the lower forming die so that compressed gas can be input. By the adoption of the carrier band forming device, product quality can be improved, carrier band deformation is avoided, narrow center wall deep cavity carrier bands can be manufactured, and the manufacturing cost of the carrier bands is reduced. The invention further provides a carrier band forming method capable of lowering machining difficulty of the carrier bands, improving machining efficiency, avoiding carrier band deformation and achieving manufacturing of the narrow center wall deep cavity carrier bands.

The invention provides composite and multi-station full-die-cutting ultrahigh frequency tag antenna machining equipment and method, and relates to an ultrahigh frequency tag antenna. An antenna body is provided with a chip binding positioning point formed in a die cutting mode and a chip binding point formed in the die cutting mode. A second base material layer or a first base material layer and the second base material layer are pasted on one side of an antenna layer of the antenna body. The machining equipment is characterized by comprising a first die cutting mechanism, a second die cuttingmechanism and a traction mechanism. The machining equipment and method solve the problem of, in the prior art, 1, how to avoid the problem of using an etching process to produce a chip binding pointand a chip binding positioning point of an ultra-high frequency electronic tag antenna; 2, how to completely avoid the use of an etching process in the production process of the ultra-high frequency electronic tag antenna; 3, how to prevent the antenna layer from shifting during movement or driving in the machining process; and 4, how to help the antenna layer to move or drive better while maintaining the tension.

The invention relates to the technical field of food processing assemblies, in particular to a food processing assembly with a safety lock. The food processing assembly comprises a large body and a cup body arranged on the big body and used for processing food. A cup cover is detachably arranged on the cup body, and a locking part, a release part, an elastic part and a reset part are arranged in the large body; the first end of the locking part can extend out of or retract into the mounting surface of the large body, and the second end of the locking part is matched with the release part; the elastic part is located on the locking part so as to drive the first end of the locking part to keep the state of extending out of the mounting surface of the large body; the release part is matched with the locking part, and when the cup cover is arranged on the cup body, the cup cover drives the release part to move so that the locking part can freely retract; when no cup cover is arranged on the cup body, the release part can prevent the locking part from being retracted. A pure mechanical type safety lock structure is adopted so that it can be guaranteed that the assembly can be installed on a host only after the cover is installed, when the assembly is installed on the host, the cover cannot be opened, and accordingly the use safety is improved.

The invention discloses a waste removal equipment and technology of an aerated concrete green body, and belongs to the field of concrete processing. The waste removal equipment comprises a steam-curing vehicle, a green body transferring machine, a conveying vehicle, a separating and breaking machine, a billet clamping machine and a turnover device; the steam-curing vehicle is arranged below any one end of the green body transferring machine, and the conveying vehicle is arranged below the other end of the green body transferring machine; the green body transferring machine is used for transferring steam-curing bottom plates on the steam-curing vehicle to the conveying vehicle; and the separating and breaking machine and the billet clamping machine are sequentially arranged on any one sideof the green body transferring machine, and the turnover device is arranged on the other side of the green body transferring machine. Waste removal operation can be conveniently carried out on the green body after steam-curing, the damage to the green body especially for panels is reduced, removed waste can be well collected for recycling, and the working efficiency of the whole set of device is extremely high. By adopting the waste removal equipment, the waste removal and recycling efficiency is extremely high, and the problem of low efficiency of removing and recycling the waste by labor issolved.

The invention belongs to the technical field of medical supplies, and discloses an orthopedic nursing traction bracket, which comprises a base, a sliding seat mechanism and a footstep traction mechanism, wherein a first sliding groove and a second sliding groove are formed in the upper end of the base, the sliding seat mechanism is slidably connected into the first sliding groove in a height-adjustable mode, a first elastic piece is arranged in the first sliding groove so as to conveniently adjust the distance between the sliding seat mechanism and the footstep traction mechanism through the first elastic piece, the footstep traction mechanism is slidably connected to the second sliding groove, and a second elastic piece is arranged in the second sliding groove so as to conveniently adjustthe distance between the footstep traction mechanism and the sliding seat mechanism through the second elastic piece. Through cooperation of multiple aspects, it is guaranteed that the purpose of exercising is easily achieved through force exertion of the feet and the legs, traction of the legs is effectively achieved, use is convenient, flexibility is high, and the experience effect is good.

The invention discloses a seedling grafting device. A rootstock seedling preparation mechanism and a scion seedling preparation mechanism are arranged on a machine frame in the X-axis direction at intervals, the rootstock seedling preparation mechanism comprises a rootstock maintaining part and a rootstock cutting part, and the scion seedling preparation mechanism comprises a scion maintaining part and a scion cutting part; the rootstock maintaining part is used for maintaining the posture of a rootstock transversely arranged on the rootstock maintaining part, and the scion maintaining part maintains the posture of a scion transversely arranged on the scion maintaining part; the rootstock maintaining part and the scion maintaining part can get close to and get away from each other in the X-axis direction, and a displacement interval is formed between the rootstock maintaining part and the scion maintaining part; and a seedling clamping mechanism is arranged between the rootstock seedling preparation mechanism and the scion seedling preparation mechanism and comprises a standby clamping part and a clamping part, the standby clamping part is arranged in the Y-axis direction, and the clamping part is arranged at the front end of the standby clamping part and located below the displacement interval. The seedling clamping mechanism, the rootstock seedling preparation mechanism and the scion seedling preparation mechanism are reasonable in position relation, can realize automatic seedling cutting, automatic grafting and automatic clamping through mutual cooperation, and are efficient in cooperation and high in grafting efficiency.

The invention discloses a motion estimation method, a chip, electronic equipment and a storage medium. The motion estimation method comprises the following steps: providing an original frame; obtaining a matching block corresponding to the current block of the current frame in the previous frame by using a full search method, and obtaining a matching block corresponding to the current block of the previous frame in the current frame; obtaining a first candidate vector set corresponding to the corresponding block of the current frame according to the current block of the current frame and the corresponding matching block, and obtaining a second candidate vector set corresponding to the corresponding block of the previous frame according to the current block of the previous frame and the corresponding matching block; setting a frame to be inserted between the previous frame and the current frame; and according to the first candidate vector set and the second candidate vector set, obtaining a bidirectional motion vector corresponding to the current block of the to-be-interpolated frame, and using the bidirectional motion vector as a candidate motion vector of the corresponding block of the to-be-interpolated frame. The embodiment of the invention is beneficial to improving the accuracy of motion estimation.

The invention discloses a circular knife machining and stripping all-in-one machine. The circular knife machining and stripping all-in-one machine comprises a rack, a circular knife machining part, anauxiliary discharging part, a stripping part and a detection assembly, wherein the circular knife machining part is installed in the middle of the rack; the auxiliary discharging part is installed atthe upper end of the discharging side face of the rack; the stripping part is installed in the middle; a feeding shaft of the auxiliary discharging part is rotatably connected to a lateral frame through a first bearing; a central shaft hole direct coupling shaft sleeve of the side end face of the feeding shaft is connected with an output shaft of a feeding motor; the upper inclined surface of a stripping knife of the stripping part is tangent to the feeding shaft and located below the left end of the feeding shaft; the two sides of the left end of the stripping knife are in threaded connection with a horizontal base plane of an inner base shaft; and an optical fiber sensor of the detection assembly is located over the stripping knife. The circular knife machining and stripping all-in-onemachine provided by the invention has the effects that circular knife machining, stripping and directional material moving are integrated, the equipment is compact, the production efficiency is high,and the product yield is high.

The invention discloses a three-color mold structure. The three-color mold structure comprises a mold base and is characterized in that the mold base comprises an upper base body and a lower base bodywhich are arranged in an up-down spaced mode and connected with each other, a first station and a second station which are used for simultaneous injection molding and a third station which is used for independent injection molding are transversely arranged on the upper base body side by side, the first station is fixed to the upper base body, the second station and the third station are fixed toa lifting rotating body capable of ascending, descending and rotating up and down, a manipulator is arranged beside the mold base and used for transferring products formed on the stations in an injection molding mode, the lifting rotating body comprises a square rotating disc embedded in the upper base body and a rotating shaft arranged under the square rotating disc, one end of the rotating shaftis fixedly connected with the axis of the square rotating disc, the other end of the rotating shaft is rotationally connected with a supporting plate movably arranged above the lower base body, a lifting assembly is arranged between the supporting plate and the lower base body, and a rotating assembly is further arranged between the mold base and the rotating shaft. The three-color mold structureis small and compact in structure, simplified in procedure and high in automation degree.