59results about How to "Convenient and close" patented technology

The invention discloses a movable forestry fertilizer applicator, and particularly relates to the technical field of forestry fertilizer application devices.The movable forestry fertilizer applicator comprises a movable forestry fertilizer application device body, and when the movable forestry fertilizer application device body is moved to a fertilizer application site, fertilizer application operation can be conducted on leaves and roots of trees according to different fertilizer applied to the trees to be fertilized; a driver is started, so that a threaded transmission column is controlled by the driver to rotate, an adjusting plate is meshed, so that the adjusting plate slides and descends on the side face of a transmission rod, the adjusting plate is moved to the ground, and the descending distance is adjusted according to the depth of the adjusting plate; the lifting column is started to control the fertilizing pipe to drill and descend the ground, and the outer ground breaking column rotates so that the fertilizing pipe can be attached to the root of the tree to fertilize the tree.

The invention discloses an anti-interference control method for a longitudinal model in a ground effect area of a ground effect aircraft, and the method comprises the steps: firstly arranging a transition process for system expected input and system actual output through a tracking differentiator, and enabling the transition process to reduce the initial value deviation as much as possible; secondly, a new nonlinear function is introduced to improve the extended observer, so that the anti-interference capability of the system is greatly enhanced, and the robustness of the system is enhanced; finally, a new nonlinear function is introduced, a nonlinear feedback law is improved, a system control law is obtained, and the control precision of the system is greatly improved.

The invention discloses an aeronautical composite material hot press molding productivity evaluation method considering interval grey number working hours, which comprises the following steps: determining the interval grey number working hours of each workpiece through historical production data and an uncertain working hour generation algorithm; on the basis, the maximum completion time is obtained as an evaluation index by a mixed integer linear programming model and a heuristic method with the purpose of minimizing the maximum completion time of a production task, and a productivity evaluation result is generated by comparing the maximum completion time with the available time of a machine. On the premise that constraint conditions are met, according to the method, the production capacity evaluation method aiming at the working procedure is designed by comprehensively considering the production characteristics of the aviation composite material hot-press forming working procedure aiming at the uncertain working hours in the actual production process, so that the production capacity is reflected more accurately; the productivity evaluation result provided by the method can provide guidance for the design of an actual production plan and the configuration of production resources, the production delay is reduced, and the production efficiency is improved.

The invention discloses a CO2-water core displacement experiment operation method, and belongs to the technical field of displacement experiment methods. The method comprises the following steps that S1, limiting of the first fixing sleeve is completed; s2, hydraulic oil with corresponding pressure is injected into the elastic bag, a heating ring and a detection unit are started, and preparation before testing is completed; s3, completing the test of the to-be-measured object, wherein the detection unit records the test data; and S4, after the test is completed, sequentially closing the heating ring and the detection unit, controlling the elastic bag to reset, then opening the first fixing sleeve through the first power piece, taking out the object to be measured, and subsequently controlling the first power piece to reset, thereby completing the test experiment. Through elastic deformation of the elastic bag, the elastic bag can be tightly attached to the side wall of a to-be-measured object conveniently, and it is guaranteed that a medium permeates into the to-be-measured object; in addition, through the limiting effect of a second sliding column and a fifth spring and the like, the medium can permeate into the object to be measured at stable pressure, and the accuracy of experimental data is improved.

This utility model relates to the field of liquid transportation technology and discloses a non-contact transmission dual-fan cooled heat-resistant pump, which solves the problem that ordinary liquid transportation pumps are prone to damage during operation due to the lack of heat insulation measures. It includes a rear fan cover, a rear end cover on the rear fan cover, a machine base connected to the rear end cover, a support mechanism at the bottom of the machine base, a front end cover on the machine base, a stator on the inner side of the machine base, a front bearing on the front end cover, a rear bearing on the rear end cover, a motor shaft between the rear end cover and the front bearing, a rotor on the motor shaft, and a rear fan at the rear end of the motor shaft, located inside the rear fan cover. This utility model uses non-contact, air-based power transmission to avoid rapid coaxial heat conduction, and further isolates the heat source by setting a heat insulation pad, doubling reliability and fully meeting usage requirements. Simultaneously, a centrally located front fan provides dual heat dissipation, ensuring long-term reliable operation.

The invention discloses a welding mechanical arm for new energy automobile maintenance, which comprises a flaw detector main body arranged on a turning rod, a flaw detection probe is arranged at the push rod end part of a first electric push rod, the flaw detection probe is connected with the flaw detector main body through a signal connecting line, and the flaw detection probe is attached to a welding part. Welding maintenance needing to be maintained can be rapidly obtained, the situation that a new energy automobile is too large in size and needs to be manually inspected for a long time during maintenance is avoided, further, an adjusting assembly is arranged, the angle of the flaw detection probe is conveniently adjusted, the flaw detection probe is better attached to the maintenance position, and a wire bunching assembly is further arranged; in the extending and retracting process of the flaw detection probe, the signal connecting line is limited and prevented from shaking and falling off at will, and the stability of the line is improved.

The utility model discloses PCBA board packaging equipment which comprises a workbench, a servo motor is installed in the middle of the lower portion of the workbench, the output end of the servo motor is connected with a rotating disc arranged on the workbench, and a plurality of containing grooves are formed in the rotating disc. Two vertical plates are installed on the workbench, a supporting plate is installed on the two vertical plates, a servo electric cylinder is installed in the middle of the upper portion of the supporting plate, the output end of the servo electric cylinder is connected with a connecting plate, lifting cylinders are arranged on the two sides of the bottom of the connecting plate respectively, and lifting rods are installed in the lifting cylinders through first bolts. And the bottoms of the lifting rods are connected with splayed mounting pieces, and the interiors of the two splayed mounting pieces are each provided with a glue injection head and an air exhaust cover through second bolts. According to the utility model, the servo motor drives the turntable to rotate, so that continuous packaging is realized; stable glue injection and bubble extraction can be realized, and the packaging efficiency and effect are improved.

This invention relates to the field of magnetic resonance imaging technology, specifically disclosing a method for modeling the radio frequency transfer function of active implantable medical devices. This method constructs a suitable neural network algorithm and, based on learning important features such as the geometric parameters of the active implantable medical device and the characteristics of the surrounding tissue, enables it to quickly and effectively predict the radio frequency transfer function of the active implantable medical device in homogeneous and heterogeneous tissue environments. This overcomes the limitations of traditional in vitro experimental methods, such as low efficiency, high experimental costs, and the inability to simulate homogeneous tissues, providing a new option for modeling the radio frequency transfer function of active implantable medical devices.

The utility model provides a robot capable of carrying out graded nursing inspection, which comprises a movable chassis, the top side of the movable chassis is fixedly connected with a supporting arm and an adjusting mechanism, the adjusting mechanism is arranged on the top side of the supporting arm, and the top end of the adjusting mechanism is provided with a robot main body; the acquisition camera is mounted on the front side of the robot main body, and the acquisition camera is used for acquiring image information in a ward; the temperature measuring mechanism is mounted on the front side of the robot main body, and the temperature measuring mechanism is used for measuring the body temperature of a patient; and the disinfection mechanism is used for disinfecting the temperature measuring end of the temperature measuring mechanism. The height of the robot body is adjusted through the adjusting mechanism, the height of the collecting camera and the height of the temperature measuring mechanism can be conveniently adjusted according to needs, the collecting camera can better collect the environment in the ward, the temperature measuring mechanism can conduct temperature measuring adjustment according to needs in the temperature measuring process, and operation is convenient.

The utility model provides a kind of traditional Chinese medicinal material wildness imitated rock wall planting fixing device.The traditional Chinese medicinal material wildness imitated rock wall planting fixing device includes: base and be used for fixing plant U-shaped limiting component in the base upper portion;First U-shaped block is fixedly installed on the base;Connecting block is rotatably installed on the first U-shaped block;First telescopic rod is fixedly installed on the connecting block top for adjusting the height of U-shaped limiting component;Fixed block is fixedly installed on the first telescopic rod top end;Second telescopic rod is rotatably arranged on the side of the fixed block for horizontally adjusting U-shaped limiting component.The traditional Chinese medicinal material wildness imitated rock wall planting fixing device provided by the utility model is designed with height-adjustable, multi-angle fixing and self-adaptive limiting, effectively solves the problem that traditional fixing device cannot adapt to plant growth and is complicated to operate.

The invention discloses an application device of a fertilizer for enhancing the tobacco style, and belongs to the technical field of planting and fertilization, the application device comprises a storage box for storing the fertilizer for enhancing the tobacco style, and the storage box is also communicated with an application combination; the transverse supporting plate is used for supporting the storage box; the two vertical supporting plates are arranged on the two sides of the transverse supporting plate correspondingly, the adjacent side faces of the two vertical supporting plates are each connected with two inserting plates, rectangular channels allowing the inserting plates to be inserted are formed in the two sides of the transverse supporting plate correspondingly, and two threaded channels communicating with the rectangular channels are formed in the two sides of the transverse supporting plate correspondingly; the threaded channel is in threaded connection with an adjusting threaded rod, the adjusting threaded rod is rotationally connected with a movable toothed plate through a bearing, a rectangular notch is formed in the side face, close to the toothed plate, of the insertion plate, and the inner wall of the notch is connected with a fixed toothed plate in meshed connection with the movable toothed plate. According to the application device for enhancing the tobacco leaf style fertilizer, the distance and the height can be adjusted, and the spraying plate can be close to the ground as much as possible.

The invention discloses a filling valve assembly and a filling device. The filling valve assembly comprises a filling valve body and a power unit. The filling valve body comprises a valve body and a valve element. The power unit comprises a connecting rod and a rubber sleeve; one end of the connecting rod extends into the valve body, is detachably connected with the valve element and is used for driving the valve element to move in the vertical direction so as to open the discharging opening of the valve body; the rubber sleeve is sleeved on the outer wall of the connecting rod, and two ends of the rubber sleeve are respectively clung to the top wall of the inner cavity of the valve body and the end part of the valve core, so that an isolation cavity separated from the inner cavity of the valve body is formed among the rubber sleeve, the valve core and the top wall of the inner cavity of the valve body; wherein the isolation chamber can contract. Through the arrangement, the internal environment and the external environment of the valve body are effectively isolated, the sealing performance between the connecting rod and the valve body is improved, the filling reliability is correspondingly improved, and the requirements of modern industrial production for high quality, high efficiency and high safety are met.

The invention discloses a hydraulic expansion sleeve stable in connection, and relates to the technical field of expansion sleeves, the hydraulic expansion sleeve comprises a left shaft sleeve, a right shaft sleeve, a rotating shaft and a serpentine spring, the outer side of the left shaft sleeve is sleeved with a left sleeve shell, the outer side of the right shaft sleeve is sleeved with a right sleeve shell, and the hydraulic expansion sleeve further comprises a fixing assembly arranged in the left shaft sleeve and the right shaft sleeve; a hydraulic assembly is arranged on one side of the interior of the left shaft sleeve, and a hydraulic assembly is arranged on one side of the interior of the right shaft sleeve. The left connecting part is fixedly connected to one side of the left shaft sleeve, the right connecting part is fixedly connected to the side, close to the left shaft sleeve, of the right shaft sleeve, and the fixing assembly comprises a groove and a mounting sleeve. Therefore, the abutting friction force between the expansion sleeve and the shaft sleeve and the connecting shaft is weakened, and the connecting effect and the using stability of the expansion sleeve coupler are reduced.

The utility model relates to the technical field of agriculture, and discloses a blocking structure for discharging chippings of a straw smashing and returning machine, which comprises a smashing and returning machine body, descending mechanisms are arranged on the front side and the rear side of the smashing and returning machine body, and fixing mechanisms are arranged at the bottoms of the descending mechanisms. Through the fixing mechanism, a clamping plate is placed in a clamping groove, after the clamping plate is well placed, a screw rod is rotated by hand, moving blocks are rotated, the moving blocks are limited by limiting rods, the four sets of moving blocks move front and back, and therefore the fixing blocks move front and back, and when the moving blocks move backwards, the fixing blocks will be driven into the fixing groove to fix a baffle; according to the mechanism, the baffle can be conveniently disassembled and replaced, the baffle can move downwards through the elastic force of a spring through a descending mechanism, the baffle can be better attached to the ground, the baffle can move upwards when encountering hard soil blocks, the damage degree of the baffle is reduced, and the baffle prevents chippings produced by the smashing and returning machine body from flying away.

The invention discloses an integrated installation device, and relates to the technical field of pipeline temperature measurement instrument installation. Upper pressing blocks are arranged on the left side and the right side of the mounting base, reinforcing plates are welded between the upper pressing blocks and the mounting base, lower pressing blocks are arranged on the lower sides of the upper pressing blocks, first movable cavities are formed in the upper pressing blocks, first lead screws are arranged in the first movable cavities, and upper sliding plates are in threaded fit with the first lead screws and are movably matched with the first movable cavities; a fixed block is welded to the rear end of the upper sliding plate, a fixed rod is welded to the lower surface of the fixed block, a second lead screw is arranged in the fixed rod, a movable rod is in threaded fit with the second lead screw, a second movable cavity is formed in the lower pressing block, a lower sliding plate is movably arranged in the second movable cavity, and the rear end of the lower sliding plate is welded to the movable rod; front-back movement of the upper sliding plate is adjusted through the first lead screw, vertical movement of the movable rod is adjusted in combination with the second lead screw, then the distance between the upper pressing block and the lower pressing block is adjusted, and installation and fixation of pipeline temperature measuring instruments of different sizes are achieved.

The utility model discloses a concrete formwork supporting device, and belongs to the technical field of building construction, the concrete formwork supporting device comprises a bottom plate, a sliding block is slidably mounted on the bottom plate, a supporting seat is rotatably connected to the sliding block, a supporting plate is arranged on the supporting seat, and an adjusting mechanism for adjusting the height of the supporting plate is arranged on the supporting seat; the adjusting mechanism comprises a moving cylinder and a first threaded rod, a moving groove is formed in the supporting base, the moving cylinder is in sliding connection with the inner wall of the moving groove, a receding cavity is formed in the moving cylinder, the first threaded rod is rotationally connected to the bottom wall of the moving groove and is in threaded fit with the moving cylinder, and one end of the first threaded rod is located in the receding cavity. The supporting plate is rotationally connected to the moving cylinder; the adjusting mechanism further comprises a driving assembly used for driving the first threaded rod to rotate. The formwork supporting device has the effect of providing supporting for formworks at different heights.

The utility model belongs to the technical field of tube wells, and particularly relates to a modular frame structure of an assembled tube well, which comprises a plurality of tube wells, a pair of long steel bars and a pair of short steel bars are respectively sleeved on the peripheries among the plurality of tube wells, and the adjacent long steel bars and short steel bars are connected through bolts. A plurality of spacing steel bars are connected between the two long steel bars through bolts, and the spacing steel bars are located between the two adjacent tube hoistways; the upper ends of the support joists are connected to the lower ends between the two long steel bars, the lower ends of the supporting stand columns are installed at the upper ends of the corresponding structural beams, the upper ends of the structural beams and the lower ends of the adjacent supporting stand columns are connected into a whole through the studs, and the structural beams provide upward-supporting horizontal supporting faces for the adjacent supporting stand columns. The lower ends of the supporting stand columns take the adjacent structural beams as fulcrums to lift the support joists upwards, the frame assembling process is completed, and the problems that an existing assembly type tube well modular frame structure is low in traditional construction efficiency and poor in safety are solved.

The invention relates to the field of bone conduction, in particular to a bone conduction wireless earphone which comprises an earphone body mechanism, a jacking mechanism is arranged in the earphone body mechanism, a battery mechanism is fixedly mounted at the top end of the jacking mechanism, and a clamping mechanism is jointly arranged on the earphone body mechanism and the battery mechanism. A driving mechanism is arranged at the end, located on the machine body mechanism, of the clamping mechanism, the machine body mechanism comprises a shell, an ear handle is fixedly installed on the outer side wall of the shell, a mounting groove is formed in the lower surface of the shell, and a mounting base is arranged in the mounting groove; a magnetic part is fixedly mounted in the mounting base, when the service time needs to be prolonged, the battery can be fixed and taken down, meanwhile, the bone conduction equipment is unsupported and jacked into the shell to be prevented from being damaged, and then the replaced battery is mounted, so that the service life of the bone conduction equipment is prolonged, and the service life of the bone conduction equipment is prolonged. And meanwhile, the bone conduction equipment is pressed out of the shell for use.

The present invention provides a temperature sensor calibration device, comprising a flexible heating element, a flexible heat-conducting element, a flexible heat-insulating element and a standard temperature measuring device; the flexible heating element, the flexible heat-conducting element and the flexible heat-insulating element are connected in sequence, and the flexible heating element, the flexible heat-conducting element and the flexible heat-insulating element are wound around a temperature sensor to be calibrated in sequence; the standard temperature measuring device is used to measure the temperature of the flexible heat-conducting element. The calibration device is convenient to calibrate and has a good calibration effect.

The utility model provides a headphone, which relates to the technical field of headphones, the headphone comprises a headphone part, a support and a balancing piece, the support is provided with a connecting part, and the support is connected to one side of the headphone part through the connecting part; and the balancing piece comprises a first end and a second end, the first end is connected with the connecting part, and the second end is connected with the earphone part. When the earphone is worn, the first end is subjected to the reset force of the support, and the second end is also subjected to the action of the force, so that the earphone component can be better close to the ear of a user, the fitting degree between the earphone component and the ear of the user is improved, and the phenomenon of foot warping of the earphone component when the earphone is worn is reduced.

The invention discloses quartz product polishing equipment and a polishing method, and relates to the technical field of quartz machining, the quartz product polishing equipment comprises a supporting frame, a table top and a driving mechanism, the driving mechanism is arranged below the table top, the driving mechanism comprises a driving motor, a rotating main shaft is coaxially and fixedly installed at the upper end of the driving motor, and a bearing seat is arranged in the middle of the table top; a rotating countershaft is installed through a bearing in the bearing seat, an outer rotating wheel is coaxially and fixedly installed on the outer side of the rotating countershaft, and the rotating main shaft and the outer side of the outer rotating wheel are connected through a belt. The surface of quartz is ground and polished through the polishing stone, the whole guide groove slides in the sliding groove, the air cylinder pushes the sliding block to conduct position telescopic adjustment in the direction of the sliding groove, control over the position of the polishing stone is achieved, and the machining requirements of stones of different sizes are better met; the advancing amount of the air cylinder can be subjected to programming control according to use requirements, and therefore control over the machining amount is automatically achieved.

The utility model relates to the technical field of back cushions, and discloses a novel nursing back cushion which comprises a body, positioning plates are fixedly assembled on the two sides of the body, storage shells are fixedly assembled on the outer walls of the positioning plates, rolling rods are rotationally connected to the outer walls of the positioning plates, torsional springs are arranged at the two ends of each rolling rod, and the storage shells are fixedly assembled on the outer walls of the rolling rods. A bandage is wound on the outer wall of the winding rod, a first connecting plate is fixedly assembled at the end, located outside the storage shell, of the bandage, and a fixing plate is fixedly assembled on the outer wall of the first connecting plate. Through the arrangement of the body, the positioning plate, the storage shell, the first connecting plate, the binding belt and the second connecting plate, in the using process of the backrest cushion, a user can fix the backrest cushion through connection of the first connecting plate and the second connecting plate, and therefore it is guaranteed that the backrest cushion cannot deviate when the user adjusts the sitting posture; therefore, the stability of the backrest cushion is improved.

The invention belongs to the field of computer vision, computer graphics and robots, and relates to a three-dimensional digital human and object interactive motion synthesis method and system based on a diffusion model. The method comprises the following steps: acquiring three types of feature vectors: a three-dimensional grid shape of an object, a frame-by-frame motion sequence of the object and a body type feature vector of a digital human; performing conditional feature coding on the obtained three types of feature vectors to obtain conditional vectors; on the basis of the diffusion model, predicting noiseless estimation of the current time step by using a denoising device in a condition vector iteration manner, and optimizing the generated interactive motion sequence of the three-dimensional digital human and the object according to a generation guide strategy; and obtaining a three-dimensional grid of the human body based on the interactive motion sequence of the three-dimensional digital human and the object, and obtaining an interactive motion synthesis result of the three-dimensional digital human and the object through three-dimensional modeling software. According to the invention, a three-dimensional digital human and object interactive motion sequence with strong sense of reality can be synthesized, and the synthesized three-dimensional digital human has the motion of the trunk and the two hands at the same time.

The utility model provides a remote monitoring type low-voltage switch cabinet, which comprises a switch cabinet, a cabinet door and a remote monitoring mechanism, the cabinet door is fixedly connected with two sides of the switch cabinet through limiting hinges, and the remote monitoring mechanism is arranged at the top end of the switch cabinet; the remote monitoring mechanism is arranged at the top end of the switch cabinet, the remote monitoring mechanism is used for monitoring the surrounding environment of the cabinet body and assisting an operator in remotely maintaining equipment in the cabinet body, the side wall of the switch cabinet is sequentially and fixedly connected with a remote equipment box and a heat dissipation box, and an air inlet of the heat dissipation box is communicated with the interior of the switch cabinet. The remote monitoring mechanism can be conveniently connected with a monitoring room monitoring system, so that the surrounding environment of the switch cabinet is monitored, the safety of the switch cabinet is guaranteed, and meanwhile, when equipment in the switch cabinet is damaged and needs to be replaced and maintained, the position of the remote monitoring mechanism can be adjusted to monitor the interior of the switch cabinet; therefore, engineering personnel can conveniently and remotely guide workers to adjust and maintain internal equipment of the switch cabinet.

The utility model relates to the technical field of steel coil transportation, and discloses steel coil transfer equipment. The steel coil transfer equipment comprises a bottom plate, universal wheels are fixedly mounted below the bottom plate, an adjusting piston is fixedly mounted above the bottom plate, a movable frame is fixedly mounted above the adjusting piston, a limiting bearing is fixedly mounted in the movable frame, a screw is fixedly mounted in the center of the limiting bearing, and a screw rod is fixedly mounted in the center of the screw rod. When a steel coil is transferred, the movable frame is adjusted to a proper height through the adjusting piston, so that the supporting rod can be inserted into the center of the steel coil, after the steel coil is fixed, the adjusting piston and the supporting piston synchronously extend, and the steel coil is conveyed to the movable frame through the conveying belt. The adjusting piston extends to lift the steel coil, the supporting piston extends to enable the supporting plate to support the steel coil on the lower left portion and the lower right portion of the steel coil, and in this way, bending of a supporting structure in the center of the steel coil can be avoided.

The present invention relates to the technical field of green fodder harvesters, and discloses a silage harvester, comprising a harvester body, a limiting component is arranged on the right side of the harvester body, an adjusting component is arranged on the front and back sides of the harvester body, a first hydraulic rod is arranged on the side away from each other of the two adjusting components, and a supporting component is arranged on the side walls of the two first hydraulic rods. The device controls the green fodder in front of the harvester body through the limiting component, so that the green fodder in front of the harvester enters the cutting table of the harvester body for harvesting, and the green fodder is prevented from tilting to both sides after being cut off by the cutting table of the harvester body, so as to avoid the situation of missing cutting. The height of the gathered green fodder is conveniently controlled through the second hydraulic rod and the third hydraulic rod, so that it is suitable for the use of green fodder of different heights, and the applicability is improved. The degree of gathering is conveniently controlled through the first driving motor, so that it is convenient for practical use.

The invention discloses a PCB cutting device with an automatic clamping direction adjusting function, and relates to the technical field of cutting. According to the PCB cutting device capable of automatically adjusting the clamping direction, through the design of a composite mechanism, the cross beam slides on the inner side of the supporting frame body, so that the effect of adjusting the direction is achieved, the file is supported by the bearing block, the bearing block slides in the cutting machine body so that the file can be attached to a PCB conveniently, and the effect of cutting materials is achieved; the PCB is placed on the inner side of the loading mechanism, materials are fixed through the loading mechanism, so that cutting is facilitated, the situation that the cutting effect is affected due to deviation during cutting is avoided, the loading mechanism slides on the inner side of the square groove, the loading mechanism is matched with the cutting machine body through sliding, meanwhile, the loading mechanism can rotate, and the cutting efficiency is improved. Therefore, flexibility of parts is improved, cutting efficiency is improved, and cutting dead angles are reduced.