22results about How to "Change path" patented technology

The invention relates to the technical field of unmanned aerial vehicle electronic data processing, and provides an unmanned aerial vehicle flight risk assessment and quality monitoring method, which comprises the following steps of: acquiring diversified data acquired in a flight process of an unmanned aerial vehicle, establishing a data optimization group, performing optimization correction, extracting features and constructing a risk assessment model; real-time flight monitoring data is classified and corrected and then substituted into the model, and a comprehensive flight risk assessment result is obtained. The problems of sensor data errors and noise are solved, the evaluation accuracy is improved, decision support is provided for safe flight of the unmanned aerial vehicle, the flight safety and efficiency of the unmanned aerial vehicle are remarkably enhanced, and the flight risk evaluation and quality monitoring accuracy of the unmanned aerial vehicle is improved.

The invention belongs to the technical field of heat exchange equipment, and particularly relates to a double-layer coil pipe type multi-stage heat exchanger and a heat exchange method thereof.The double-layer coil pipe type multi-stage heat exchanger comprises multiple heat exchanger bodies which are sequentially connected in series, each heat exchanger body comprises an outer cylinder, an inner cylinder, a first-layer coil pipe and a second-layer coil pipe, and each outer cylinder is arranged on the outer wall of the corresponding inner cylinder in a sleeving mode and provided with a fluid inlet and a fluid outlet; a fluid inlet and a fluid outlet which are communicated are formed in the inner cylinders, the fluid outlet of the upper-stage inner cylinder is communicated with the fluid inlet of the lower-stage inner cylinder, and the first-layer coil pipe and the second-layer coil pipe are both arranged in an annular cavity formed by the outer cylinder and the inner cylinders.

The invention belongs to the technical field of 3D printing equipment, and particularly relates to a spherically-arranged multifunctional 3D printer nozzle which comprises a printer base and an XYZ-axis ball head driving structure mounted on one side of the printer base. An X1Y1Z1 axis type printing nozzle is mounted on one side of the XYZ axis type ball head driving structure, and the X1Y1Z1 axis type printing nozzle is composed of an X1 axis type rotating structure, a Y1 axis type rotating structure, a Z1 axis type rotating structure and a printing nozzle assembly; according to the 3D printing device, the X1Y1Z1 axis type printing nozzles are driven to move through the XYZ axis type ball head driving structure, and the printing nozzles can rotate with the X1 axis, the Y1 axis and the Z1 axis as the rotating center under the cooperation of the X1 axis type rotating structure, the Y1 axis type rotating structure and the Z1 axis type rotating structure, so that each printing nozzle can conduct printing at any angle; the flexibility is high, the printing requirements of various complex geometrical shapes can be met, and the printing efficiency is improved.

The utility model provides an anti-impact water pipe valve, and belongs to the technical field of valves. The problems that when high-speed water flow passes through the valve, impact can be generated on a sealing valve seat, a valve rod and other components of the valve, and the valve components which are impacted by the water flow for a long time are likely to be subjected to fatigue damage, so that the components are abraded and eroded are solved. The impact-resistant water pipe valve comprises a valve body, a water inlet pipe and a water outlet pipe are arranged at the two ends of the valve body respectively, flanges are arranged on the water inlet pipe and the water outlet pipe respectively, a buffer assembly is arranged on the inner side of the water inlet pipe and comprises a shell arranged on the inner side of the water inlet pipe, a fixing plate is fixedly arranged on the shell, and a buffer plate is arranged on one side of the fixing plate. The valve has the advantages that the path of water flow is changed, and after the water flow is divided and flows out from the two sides of the fixing plate, the impact force of the water flow to components in the valve body is reduced, and the damage of the water flow to the components in the valve body is reduced.

The utility model relates to the technical field of mirror cabinets, and particularly discloses a refraction spotlight and a mirror cabinet, the refraction spotlight comprises a first light condensation unit and a second light condensation unit, a first emergent light ray and a second emergent light ray intersect on the front side of the middle position of the first light condensation unit and the second light condensation unit, the light path is changed, and the light condensation effect is improved; the first light-emitting surface and the second light-emitting surface are arranged to be of a parallel structure, so that the first light-emitting surface and the second light-emitting surface can be parallel to the mirror surface of a mirror cabinet and do not protrude when the mirror cabinet is applied to products such as the mirror cabinet.

The invention discloses an aluminum piece product surface cleaning device based on the digital monitoring technology, and relates to the technical field of aluminum piece product production, and the technical scheme is that the aluminum piece product surface cleaning device comprises a shell, the front side of the shell is open, two electric sliding rails are fixedly connected to the inner wall of the top of the shell, and sliding blocks are arranged on the two electric sliding rails; and the bottoms of the two sliding blocks are fixedly connected with connecting blocks, and the bottoms of the two connecting blocks are fixedly connected with a shell. Under the design of the first moving rod, the first piston, the first pipeline, the second pipeline, the second piston, the second moving rod and other components, the sliding seat moves left and right, so that the two first cleaning brushes can continuously move left and right; and the left and right moving directions are opposite, so that the moving path of the first cleaning brush is changed, the first cleaning brush can continuously move left and right in a small range while moving back and forth on the surface of the aluminum main body during cleaning, and the cleaning effect can be improved when dirt on the surface of the aluminum main body is cleaned.

The utility model relates to a disc edge scraping device for a pellet pelletizing disc, and belongs to the technical field of pellet production in the metallurgical industry. According to the technical scheme, according to the material scraping sequence, an inclined material scraping plate (10) and a straight material scraping plate (11) are sequentially arranged on the edge of a pelletizing disc (3), a certain included angle is formed between the inclined material scraping plate (10) and the pelletizing disc (3), the straight material scraping plate (11) is perpendicular to the pelletizing disc (3), the inclined material scraping plate (10) is connected to the lower end of an inclined material scraping plate pull rod (9) through a rib plate, and the inclined material scraping plate pull rod (9) is connected with the straight material scraping plate (11). The upper end of the inclined scraping plate pull rod (9) is rotationally connected to the suspension frame (5) through a rotating shaft (7), the straight scraping plate (11) is connected to the lower end of the straight scraping plate pull rod (8) through a rib plate, and the upper end of the straight scraping plate pull rod (8) is connected to the suspension frame (5). The device has the advantages that accumulated materials on the edge of the pelletizing disc can be cleaned in real time, and materials and green pellets moving upwards along with the pelletizing disc are effectively blocked.

The utility model discloses an infusion tube digital display constant-temperature heater with an infrared alarm structure, which belongs to the technical field of medical instruments and comprises a shell, a cover plate is mounted at one end of the shell in a hinged manner, a heating bin is arranged in the shell along the length direction, and a guide mechanism for an infusion tube is arranged in the heating bin. An electric heating plate is arranged at the end of the heating bin, and a guide groove is vertically formed in the end, away from the hinged position of the cover plate, of the shell. The alarm mechanism composed of the infrared emitter, the receiver, the controller, the buzzer and the electric telescopic rod is arranged at the top end of the guide groove, when no liquid passes through the infusion tube, red light emitted by the infrared emitter penetrates through strong infrared rays of the empty infusion tube to be received by the receiver, and at the moment, the controller controls the buzzer to sound, so that the liquid in the infusion tube is warned. And in addition, starting of an electric telescopic rod is controlled, the infusion tube is extruded and blocked, continuous input of liquid is avoided, and the practicability of the device is improved.

The utility model discloses a thread feeding mechanism for textile processing, relates to the technical field of textile equipment, and aims to provide a thread feeding mechanism for textile processing, which can automatically penetrate threads into the equipment, and has the technical key points that the thread feeding mechanism comprises a base, a shell is arranged on the base, and a driving wheel and a driven wheel are rotationally arranged on the side surface of the shell; a belt pulley set is arranged between the driving wheel and the driven wheel, a driving motor is arranged on the end face of the driving wheel, and an overturning component is arranged on the axis of the driven wheel in a sleeved mode. The threading device has the technical effects that by arranging the overturning part and the threading part, the overturning part drives the tensioning wheel to rotate downwards, so that the tensioning wheel moves to the position between the driving wheel and the driven wheel and extrudes a silk thread lapped on the tensioning wheel downwards, the silk thread is attached to the lower portion of the tensioning wheel, on one hand, the silk thread is tightened, on the other hand, the path of the silk thread is changed, and the threading effect is improved. Therefore, enough wrap angles are formed between the silk threads and the driving wheel and the driven wheel, and the purpose of automatic threading is achieved.

The invention relates to a laser beam differential rotation auxiliary drilling device which comprises a reflection cambered mirror support, a laser head assembly, a mirror set cylinder assembly, a driving assembly, a high-pressure nozzle assembly and a hollow drill bit. The reflecting cambered mirror support is connected to the upper end of the laser head assembly, the lower end of the laser head assembly is connected with the mirror set barrel assembly, the lower end of the mirror set barrel assembly is connected with the driving assembly, the lower end of the driving assembly is connected with the high-pressure nozzle assembly, and the lower end of the high-pressure nozzle assembly is connected with the hollow drill bit. According to the laser beam differential rotation auxiliary drilling device, the defects in the prior art are overcome, the machining time is shortened, and the production efficiency is improved.

The constant-temperature drying box comprises a machine box shell and a drying inner box in the machine box shell, a transverse grid and a vertical grid which are located in the machine box shell are movably installed on the two sides of the drying inner box respectively, a vertical connecting rod is movably connected to the middle of one side of the transverse grid, and a horizontal connecting rod is movably connected to the middle of the other side of the vertical connecting rod. A transverse connecting rod is movably connected to the middle of one side of the vertical grid, and an up-down swing telescopic motor and a front-back swing telescopic motor are installed at the positions, corresponding to the vertical connecting rod and the transverse connecting rod, in the case shell correspondingly. The vertical air swinging telescopic motor drives the transverse grid to swing up and down, the front-back air swinging telescopic motor drives the vertical grid to swing front and back, and therefore the effect of changing the hot air flowing direction and path is achieved, the transverse grid and the vertical grid swing periodically, all parts in the drying inner box can make contact with flowing hot air, and the drying effect is improved. Hot air circulation dead angles are avoided, and the heating uniformity of experimental samples is improved.

The invention relates to the field of building construction auxiliary equipment, in particular to a dust falling system and a method thereof.The dust falling system comprises a sliding device and a broken line track, the extending path of the broken line track corresponds to the moving path of an excavator bucket, and the sliding device comprises a supporting plate; the supporting plate is connected to the broken line track in a sliding mode in the length direction of the broken line track, and the supporting plate is provided with an atomizing nozzle used for spraying water mist. The construction method has the effect of reducing the dust raising phenomenon in the construction process.

The utility model provides a pressure-resistant reaction kettle in hydrogenation reduction reaction, which belongs to the field of chemical production and comprises a reduction reaction hydrogenation mixing component, a reaction kettle and a reaction kettle, the reduction reaction hydrogenation mixing assembly comprises a sleeve penetrating through the upper cover and rotationally connected with the upper cover, a hydrogenation pipe is rotationally installed at the upper end of the vertical pipe, a rotating pipe is fixed to the bottom of the vertical pipe, a plurality of spraying holes are formed in the upper end of the rotating pipe in a penetrating mode, the vertical pipe is rotationally connected with a short pipe, and the short pipe is fixedly connected with the sleeve; a plurality of stirring blades are fixed on the short pipe, and a driving mechanism for driving the casing pipe and the vertical pipe to rotate in opposite directions is mounted on the upper cover. According to the device disclosed by the utility model, the sprayed hydrogen is sprayed out from the interior of acetaldehyde and is spiral, so that the contact area with the acetaldehyde can be increased, when the hydrogen passes through the porous or net-shaped stirring blades, the bubble-shaped hydrogen is crushed and dispersed, the contact area with the acetaldehyde is further increased, the moving path of the hydrogen can be changed, and the hydrogen and the acetaldehyde are mixed for reduction.

The invention discloses a double-channel powder collecting device used in a powder spraying room, and relates to the technical field of workpiece spraying. The protection assembly comprises a powder spraying room and a grating frame, the grating frame is fixed in the powder spraying room, and the rotating assembly comprises a rotating table, a first motor and a collecting plate; the rotating table is cylindrical and is fixed to the output end of the first motor, and the first motor is fixed to the upper side face of the grating frame; the collecting plate is in a cuboid shape with the hollow interior, and the collecting plate is detachably arranged on the rotating table. According to the dust collecting device, the dust collecting part is changed into a wave shape, entering powder can impact the inclined side edge of the wave-shaped dust collecting part in the rotating process of a collecting plate, the kinetic energy absorbing effect on the powder is improved, meanwhile, the upper side face and the lower side face of the wave-shaped dust collecting part are in an arc-shaped state, and when the powder impacts, the dust collecting part is not prone to falling off. And the rebound direction can be changed.

The utility model discloses a natural convection drying box without a fan, which comprises a box body, a wind collecting cover, a heater and a storage rack, the storage rack is arranged in the box body, the wind collecting cover can be transversely arranged in the box body and is positioned above the storage rack, an exhaust pipe joint is arranged at the top of the box body, a flexible air pipe is arranged between the exhaust pipe joint and the wind collecting cover, and the flexible air pipe is connected with the heater. A first partition plate and a second partition plate located above the first partition plate are arranged at the bottom of the box body, an air inlet chamber is defined by the bottom face of the first partition plate and the inner wall, below the first partition plate, of the box body, a heating chamber is formed between the first partition plate and the second partition plate, and the heater is arranged in the heating chamber. Through reciprocating transverse movement of the air collecting cover, the path of air flow can be changed, S-shaped ascending air flow is formed, the air collecting cover can make contact with more materials, the uniformity of heating and drying of the materials is improved, and the drying time is shortened.

The utility model provides an arc-shaped aluminum veneer spraying device, belongs to the technical field of aluminum veneer production, and is used for solving the technical problem that the spraying effect of an existing spraying device on an arc-shaped aluminum veneer is poor. Comprising a base, a fixing frame is fixed to the base, a moving plate is slidably arranged between the fixing frame and the base, a locking mechanism is arranged on the moving plate, a long hole is formed in the upper portion of the fixing frame, a vertical pipe is arranged in the long hole, a spray head is connected to the lower portion of the vertical pipe, a moving mechanism is arranged on the upper portion of the fixing frame and comprises a moving block, and a round hole is formed in the moving block; a sliding rod is slidably inserted into the round hole, a fixing sleeve is fixed to one end of the sliding rod, a blocking shoulder is arranged at the other end of the sliding rod, the vertical pipe is slidably arranged in the fixing sleeve, a spring sleeves the outer side of the sliding rod, and a lifting mechanism is arranged on the moving block; according to the arc-shaped aluminum veneer spraying device, the moving path of the spraying head can be changed according to the bending degree of the arc-shaped aluminum veneer, the spraying uniformity of the outer surface of the arc-shaped aluminum veneer is improved, and the spraying effect is improved.

The present invention relates to a heat exchanger designed in consideration of cooling / heating performance. An object of the present invention is to provide a heat exchanger designed in consideration of cooling / heating performance, in which variable paths are introduced to solve the problem of tradeoff between cooling performance and heating performance according to the number of paths. More specifically, an object of the present invention is to provide a heat exchanger designed in consideration of cooling / heating performance, in which the heat exchanger is designed to have a variable number of paths such that performance thereof can be optimized in both cooling and heating modes.

The utility model discloses a high and low temperature test case with dehumidification function belongs to test equipment technical field, it includes: high and low temperature test case body, the one side of high and low temperature test case body is hinged and has the closed door, the one side of high and low temperature test case body is provided with three color warning light and controller, the top of high and low temperature test case body is linked with the exhaust pipe, the inner wall of high and low temperature test case body is slidably installed with U type scraper, the one side of high and low temperature test case body is fixedly installed with the support board, the bottom of support board is provided with the fan, the inside of fan's air inlet end is provided with the filter screen, the inside of fan's air outlet end is provided with the heating plate, the inside of high and low temperature test case body is provided with the water collecting tray and filter plate, on the basis that air is evenly distributed, can more efficiently carry water vapor's gas and export test case, promptly discharge humid air, avoid water vapor to accumulate in the box, further guarantee the accurate control of humidity in test case, ensure that test is under the smoothness of setting humidity condition.

The present invention relates to a CAM variable assignment method based on an electronic cam and a truss dual manipulator. The present invention aims to solve the problems that a traditional cam mechanism is easy to wear, has poor flexibility, has a single trajectory, and needs to receive an electronic cam curve provided by a parallel servo control system. In addition, the existing solution is not flexible in generating the cam curve, and it is difficult to perform secondary development in the later stage. The present invention creates and designs a CAM assignment method. By assigning values ​​to key process points on the electronic cam, and performing difference compensation between process points through a quintic polynomial algorithm, the electronic cam curve can be flexibly generated online to meet process requirements. At the same time, a software and hardware platform for the electronic cam control system is built. Experiments verify that the robot output motion trajectory is more flexible, thus forming a CAM variable assignment method based on the electronic cam and a truss dual manipulator.

The utility model relates to a radiant transfer system. The radiation object transfer system comprises a first radiation shielding device which is at least used for accommodating a radiation object; the first radiation shielding device is at least used for storing radiation, the second radiation shielding device is at least used for storing the radiation, and the transfer device is used for transferring the radiation located in the first radiation shielding device into the second radiation shielding device. The radiation objects are transferred from the first radiation shielding device to the second radiation shielding device for storage through the transfer device, so that personnel are prevented from being polluted by radiation, and the safety of transfer operation is improved.

The invention discloses a full-bore high-pressure ceramic elbow for a wellhead of an oil and gas field, and relates to the technical field of ceramic elbows, the full-bore high-pressure ceramic elbow comprises a metal elbow and a ceramic lining pipe, two ends of the metal elbow are respectively and fixedly provided with two metal flanges with RJ ring connecting surfaces, an inner cavity is arranged in the metal elbow, the ceramic lining pipe is arranged in the inner cavity, and the RJ ring connecting surfaces are arranged in the inner cavity. A ceramic lining pipe is arranged in the inner cavity, one end of the ceramic lining pipe is connected with a buffer pipe, the buffer pipe comprises a metal pipe and a ceramic protruding section, the metal pipe is fixedly arranged in the inner cavity, the ceramic protruding section is fixedly arranged in the metal pipe in a sleeved mode, and a smooth section, an inclined section and an arc-shaped protrusion are sequentially arranged on the inner side wall of the ceramic protruding section. Through the arrangement of the buffer pipe, a flowing medium can be pre-buffered before entering the ceramic lining pipe, and the impact pressure on the ceramic lining pipe when the flowing medium flows and changes the direction is relieved, so that the impact abrasion to the ceramic lining pipe is greatly reduced, and the service life of the ceramic elbow is prolonged.