14results about How to "Quick trim" patented technology

The invention belongs to the technical field of machining, and particularly relates to a high-precision universal grinding wheel trimming mechanism, a fillet trimming method thereof and a base. The arc-shaped guide rail is fixedly installed on the base and provided with an arc-shaped guide groove, and an arc-shaped conical rack is fixed in the arc-shaped guide groove; the rotary sliding block is slidably mounted on the arc-shaped guide rail, and a position adjusting rod device and a cutter device are mounted on the rotary sliding block; all planes of a grinding wheel can be finished accurately, rapidly and safely, meanwhile, arc surfaces needed for machining of inner and outer circle grinding wheels can be finished, the arc surfaces of machined parts have high geometric precision and surface roughness, the size precision can reach 0.02 mm, the mechanism further has the function of adjusting the radius of the finished arc, and the machining efficiency is improved. Finishing of different arc radiuses can be met, and the machining precision and the machining range of common equipment are greatly improved.

The utility model relates to the technical field of fabric processing, and discloses a fabric trimming device which comprises a fabric conveying assembly line, trimming mechanisms arranged in a mirror image mode are arranged on the two sides of the fabric conveying assembly line respectively, each trimming mechanism comprises a support, a platform and an edge pressing belt, and the edge pressing belts clamp the edges of fabric in cooperation with the platforms through driving parts. The rotating speed of the edge pressing belt is synchronous with the conveying speed of the fabric conveying assembly line, a cutter used for cutting off the edge of the fabric is arranged on the outer side of the platform, and the cutter can be arranged in a swinging mode. According to the fabric trimming device, the swinging cutter is arranged to be matched with the cutter holder, the edge of the passing fabric is rapidly cut and trimmed, the fabric can be pressed through the edge pressing belt, the stability of cutting and trimming is improved, the thicker fabric such as curtains can be rapidly trimmed, and the trimming precision and efficiency are high.

The utility model discloses rapid pruning equipment for highway green plants, which relates to the technical field of pruning equipment for highway green plants and comprises a mounting shell, a shell cover is fixedly mounted at the upper end of the mounting shell, and a pruning mechanism is arranged on the inner side of the mounting shell. By adopting the structure, the driving rod connected with the output end of the driving motor rotates in the first shaft seat and the second shaft seat, so that a plurality of first bevel gears on the outer side of the driving rod are in meshed transmission with second bevel gears on the driving shaft in the mounting shell, and a cutter is mounted at the lower end of the driving shaft through the mounting mechanism; therefore, a plurality of cutters can be synchronously driven by a single driving motor to quickly trim plants, so that the production cost and the subsequent maintenance cost of the equipment are reduced, and the practicability is greatly improved.

The invention discloses a multi-target orbit tracking method for satellite-borne autonomous passive measurement, which is applied to two observation satellites and comprises the following steps of: 1, establishing a dynamic model of a shot spacecraft and a sensor line-of-sight angle measurement model, and constructing a random finite set to describe the dynamic change and uncertainty of multiple targets; 2, constructing a cost matrix according to the minimum distance between sight vectors of different sensors, and solving an angle measurement data association result through two rounds of screening; step 3, according to a data association result, constructing multiple groups of dimension expansion measurements and solving a measurement association probability of each group of dimension expansion measurements; and step 4, introducing the corresponding measurement association probability into GM-PHD filtering to correct a posterior Gaussian weight, designing a centralized parallel fusion multi-target tracking method considering the measurement association probability, and realizing double-satellite information fusion and multi-target accurate tracking. The problem of poor tracking precision caused by high error correlation rate of angle measurement data in dimension expansion measurement generation of centralized parallel fusion under a multi-target tracking background is solved.

This utility model discloses a trimming and cutting device for particleboard production, including a U-shaped bottom hollow frame, sponge rollers rotatably mounted at the front and rear positions inside the U-shaped bottom hollow frame via bearing seats, a drive shaft rotatably mounted on one inner wall of the U-shaped bottom hollow frame, and an external spline shaft rotatably mounted on the inner wall of the U-shaped bottom hollow frame below the drive shaft. A left cutting disc is fixed to one end of the external spline shaft near the inner wall of the U-shaped bottom hollow frame. A three-gear speed-increasing transmission structure is installed between the drive shaft and the external spline shaft. This utility model controls the positions of the L-shaped shaft carrier, T-shaped hollow bushing, internal spline shaft, and right cutting disc via a control panel and an X-axis lead screw electric module. After adjustment, the motor transmits power to the external spline shaft and internal spline shaft, causing the left and right cutting discs to rotate synchronously. The operator manually pushes the particleboard until the left and right cutting discs synchronously trim the edges of the particleboard.

The utility model belongs to the technical field of plant pruning devices, and discloses a rapid pruning device for landscaping, which comprises a rack, the front side of the rack is provided with a mounting cavity, the upper end and the lower end in the mounting cavity are rotatably connected with driving wheels, the back of the rack is welded with a limiting plate, and the rear side of the limiting plate is integrally provided with a connecting rod; the rapid pruning device for landscaping comprises two rotating arms, the other sides of the two rotating arms are both rotationally connected with auxiliary wheels, the upper surfaces of one sides of the two rotating arms are both fixedly provided with supporting rods, and the tops of the supporting rods are fixedly provided with pruning knives. The two rotating arms are rotated to enable the auxiliary wheels at the ends of the rotating arms to be tightly attached to the outer wall of a tree, the two driving wheels rotate to drive the device to move upwards along the trunk of the tree, and the pruning knives located on the upper surfaces of the rotating arms can cut off branches at the upper end of the tree in the upward moving process, so that automatic pruning is achieved, and the pruning efficiency is greatly improved.

The utility model relates to the technical field of sewing machines, and discloses an industrial sewing machine automatic thread clamping device which comprises a mounting plate, a mounting hole is formed in the surface of the mounting plate, an extension plate is fixedly connected to the front end of the mounting hole, a sliding rod is fixedly connected to the front end of the extension plate, and a movable clamping plate is slidably connected to the surface of the sliding rod. A fixed clamping plate is fixedly connected to the front end of the sliding rod, a driving motor is installed at the front end of the extension plate, a fixed rod is fixedly connected to the front end of the driving motor, and an extension rod is slidably connected to the interior of the fixed rod. When a worker needs to clamp a thread, the driving motor enables the movable clamping plate to move towards the static clamping plate, the thread is automatically clamped when the movable clamping plate reaches a proper position, and the movable clamping plate and the static clamping plate clamp the thread, so that the thread is automatically clamped when the sewing machine works, and the sewing machine can be independently controlled through the driving motor; when the problem that the thread ends are stuck occurs, the thread clamping device can be operated in time for processing.

The utility model discloses a landscaping pruning device. The landscaping pruning device comprises an anti-deviation assembly. The supporting rods are arranged on the left side and the right side of the anti-deviation assembly; the operation assembly is arranged above the supporting rod; the replacement assembly is arranged on the left side of the operation assembly; and the auxiliary assembly is arranged in the middle of the operation assembly. Through the arrangement of the anti-deviation assembly, the supporting rod, the operation assembly, the replacement assembly and the auxiliary assembly, the function of quickly pruning flowering branches is achieved through cooperative use of the assemblies, a large amount of flowering branches can be pruned at a time, the pruning efficiency is improved, pruning can be conducted only by pressing the operation assembly downwards, pruning is easy and convenient, and the cost is low. A large amount of trees can be trimmed at a time, the trimming efficiency is improved, and the situation that the first web is affected and hands cramp due to long-term use of the tree shears is solved.

The utility model discloses a yak safety corner trimming device which comprises a cylinder body, a detachable cylinder cover is fixedly connected to the upper end of the cylinder body, a handheld rod is fixedly connected to the middle of the upper end of the cylinder cover, a U-shaped rod is fixedly connected to one side of the handheld rod, a placing plate is fixedly connected to the interior of the cylinder body, and a motor is fixedly installed at the upper end of the placing plate. The output end of the motor is fixedly connected with a rotating shaft penetrating through the barrel, the other end of the rotating shaft is fixedly connected with a fixing plate, the side face of the fixing plate is fixedly connected with a plurality of teeth, the middle of the lower end of the fixing plate is slidably connected with a grinding plate through four connecting blocks, and the interior of the fixing plate is slidably connected with four clamping blocks corresponding to the connecting blocks. By the adoption of the teeth, the grinding plate, the clamping block, the clamping groove and the reset spring, the flatness of angle trimming is guaranteed, workers or other yaks are prevented from being accidentally injured after angle trimming, the teeth driven by the motor can rotate rapidly, rapid trimming of ox horns is achieved, time and labor are saved, the grinding plate can be rapidly replaced, and use is convenient.

The invention discloses a die-casting box cover trimming die, which relates to the technical field of die-casting trimming, and is characterized in that after a hydraulic machine is started, a pre-pressing plate firstly contacts with the top surface of a box cover plate, then a compression spring is compressed, a top pre-pressure is applied to the box cover plate, and the stability during trimming is ensured; and then the pre-pressing plate continues to move downwards to drive the four edge cutting knife blocks to carry out transverse one-time edge cutting treatment on the pouring gate and the cinder ladle, so that the rapid edge cutting effect can be achieved, and the problem that a product is lack of meat due to the fact that a material handle is manually knocked is not likely to be caused. The device has the characteristics that the pre-pressing plate firstly makes contact with the top face of the box cover plate, and then a compression spring is compressed; the pre-pressing plate moves downwards to apply a top pre-pressure to the box cover plate to ensure the stability during edge cutting, and then the pre-pressing plate continues to move downwards to drive the four edge cutting knife blocks to perform transverse edge cutting treatment on a pouring gate and a cinder ladle, so that the effect of rapid edge cutting can be achieved, and the problem that a product is lack of meat due to manual knocking of a material handle is not easily caused.

The utility model discloses a greening pruning device which comprises a movable base with universal wheels installed at the bottom, a water tank is fixedly installed above the movable base, a rear installation base is fixedly installed on the left side of the water tank, and a cutting machine is arranged on the outer side of the installation base in a lifting mode. The motor is fixedly mounted at the upper end of the mounting seat, and a reciprocating screw rod is fixedly mounted at the output end of the motor; the two fixing plates are fixedly mounted on the upper left portion and the lower right portion of the mounting base respectively, a liquid bag is fixedly connected between the mounting plate and the fixing plates, and the liquid bag is connected with the water tank through a pipeline; and the supporting frame is fixedly mounted on the upper surface of the mounting plate, a movable pipe is rotationally mounted in the supporting frame in a penetrating mode, a drainage pipe is connected between the movable pipe and the water tank, and a spray head is fixedly connected to the outer side of the movable pipe. The greening pruning device can quickly prune greening, and can realize automatic multi-angle spraying and dust falling in the pruning process.

This invention discloses a micro-thrust measurement device and method. The micro-thrust measurement device includes a working base plate, a pivot and fixing module, a three-axis displacement stage, a torsion beam, a linear guide rail, a displacement sensor, a micro-thrust generator, and a counterweight. The linear guide rail is mounted on the working base plate and consists of a long guide rail and a short guide rail. The torsion beam is positioned between the long and short guide rails. Slider blocks are installed at the ends of both the long and short guide rails furthest from the torsion beam. The slider of the long guide rail houses a micro-thrust motor for measuring the micro-thrust, while the slider of the short guide rail houses a counterweight. The displacement sensor and the micro-thrust generator are respectively located on both sides of the long guide rail. The three-axis displacement stage is mounted on the torsion beam via the pivot and fixing module. This invention enables sub-millinewton-level micro-thrust testing of micro- and nano-satellite micro-propulsion systems. It is easy to operate, improves measurement accuracy, increases the measurement range of the testing system, and reduces costs.

The utility model provides a municipal greening shrub pruning device, and belongs to the technical field of municipal greening. The municipal greening shrub pruning device comprises a pruning assembly and a lifting assembly. Electric moving wheels are mounted on the two sides of the bottom of the mounting supporting plate, a first trimming cutter is detachably mounted at one end of the mounting supporting plate, a driving part is mounted at the other end of the mounting supporting plate, a second trimming cutter is connected to the driving end of the driving part, and the driving part drives the second trimming cutter to move left and right; the second trimming knife is attached to the upper surface of the first trimming knife to slide; the bottom ends of the four lifting assemblies are connected with the four electric moving wheels correspondingly, and the top ends of the four lifting assemblies are connected with the lower surface of the mounting supporting plate correspondingly. And through cooperation of the electric moving wheels and the mounting supporting plate, the two hands of a worker can be liberated, the worker does not need to hold the device by hand for a long time, the labor intensity of the worker can be relieved, and pruning fatigue is relieved.

The invention discloses a method for manufacturing a glued bamboo curved round rod with uniform appearance, which relates to the field of bamboo product processing, and comprises the following steps: firstly, bamboo is processed into bamboo strips, and then the bamboo strips are hot-pressed into bamboo rods with square and rectangular cross sections respectively, and then the two bamboo rods are processed into thin slices, and after drying, the two thin slices are glued and bent into bamboo rods with square cross sections, and then polished, sanded and painted to obtain a glued bamboo curved round rod with uniform appearance. The glued bamboo curved round rod manufactured by the method of the invention has high strength and rigidity, and is suitable for manufacturing various bamboo products with high load requirements. The method has a simple manufacturing process and flexible operation, and can effectively control the curvature of the round rod, prevent the bending and breaking of the bamboo curved round rod, and improve the service life of the bamboo products.