103results about How to "Flexible positioning" patented technology

The invention discloses a continuous and efficient insulating glove voltage withstanding detection device and a detection method thereof, belongs to the field of insulating glove detection, and solves the problem that the knuckle part of an existing insulating glove cannot be detected during voltage withstanding detection, and the device comprises a supporting seat, a conveying assembly, a lifting storage barrel and a detector, according to the insulation glove detection device, through arrangement of the detection mechanism and the detector, a conductive detection rod can be stably inserted into the insulation glove, and along with operation of the lifting assembly, the distance between the lifting sliding cylinder and the mounting piece is gradually reduced; at the moment, the conductive detection piece automatically slides down to the lower end under the action of self weight and gravity to fill the internal space of the insulating glove, especially the knuckle part of the insulating glove, so that the detection area during equipment operation is enlarged, the equipment can comprehensively carry out withstand voltage detection on the insulating glove, and the detection efficiency is improved. And the accuracy and the stability of detection data are ensured.

The utility model relates to a five-degree-of-freedom bed body fixed type puncture robot, and belongs to the field of medical instruments. The puncture robot comprises a gear transmission mechanism, a linear mechanism, a connecting rod mechanism and a puncture module. The connecting rod mechanism comprises a track driving end support, a first linear motor, a second linear motor, a third linear motor, a moving end spherical hinge support and a track driven end support. The gear transmission mechanism drives the connecting rod mechanism to rotate along the arc-shaped track to adjust the transverse position of the puncture robot; the second linear motor moves back and forth to adjust the back-and-forth position of the puncture robot; the second linear motor drives the lower part of the linear mechanism to transversely move to adjust the transverse and longitudinal corners of the puncture robot; the linear mechanism comprises a fourth linear motor, and the fourth linear motor drives the whole puncture module to perform needle insertion motion; and the puncture module is used for realizing rotation and extraction actions of a puncture needle. The device is compatible with CT for use, and performs five-degree-of-freedom movement according to accurate positioning of the CT, so that accurate puncture of the puncture needle is ensured.

The invention discloses a roadway tunneling and conveying all-in-one machine with impact cutting teeth for assisting rock breaking. The roadway tunneling and conveying all-in-one machine comprises a walking mechanism, a main machine body, a material conveying mechanism, a material receiving mechanism, a multi-dimensional adjusting mechanism, a rotary driving mechanism and a cutting head mechanism. Cutting tooth units distributed along a spiral track are arranged on the surface of the cutting head mechanism, energy storage rebound mechanisms are arranged in the cutting tooth units, impact inertia kinetic energy is stored and released through multi-layer irregular arrangement of balls, secondary rock breaking is achieved, and the cutting efficiency and the hard rock adaptability are improved. The multi-dimensional adjusting mechanism expands the operation range through cooperation of a rotating base, a hydraulic cylinder and a hydraulic telescopic rod. The material receiving mechanism comprises an angle-adjustable material containing plate and symmetrically-arranged material sweeping wheels, the material sweeping wheels buffer a material pushing plate through springs to avoid collision damage, and an auxiliary feeding mechanism is arranged to enhance the material conveying continuity. Impact kinetic energy is recycled, the cutting range is flexible and adjustable, efficient collection and conveying of materials are integrated, and the device is suitable for high-hardness rock stratum roadway tunneling.

The invention relates to the technical field of robot communication control, in particular to a recoverable buoy system for a modular underwater robot and a control method.The buoy comprises a shell, a communication module and an acquisition module, and an adjusting module comprises a buoyancy adjusting mechanism and a gravity center adjusting mechanism; the buoyancy adjusting mechanism adjusts the action of an electromagnetic valve according to the buoy depth to realize buoyancy adjustment, and the gravity center adjusting mechanism adjusts the gravity center position according to a preset gravity center position and a gravity center adjusting curve; the power module comprises a first power set and a second power set. The control module is used for determining the adjusting mode of the buoyancy adjusting mechanism, the adjusting mode of the gravity center adjusting mechanism and the adjusting mode of the power module. And the power supply module realizes effective positioning and flexible release and recovery of the buoy, and promotes the same-speed cooperative movement and real-time communication of the buoy and the underwater robot.

The utility model discloses a cell observation equipment with double camera module, including observation platform, first camera and second camera, and observation platform has a transparent observation area, and the observation area is used for placing the object to be observed, and the first camera is set below the observation area, is used for gathering the image information of observation area, to obtain the position of the object to be observed, and the second camera is set below the observation area, and the second camera is closer to the observation platform than the first camera, and the second camera can move to the just below the object to be observed according to the position of the object to be observed, to utilize the second camera to observe the object to be observed. The utility model discloses technical scheme has improved the alignment efficiency and alignment accuracy.

The present invention relates to a multi-directional precision positioning fixture for gear housing machining, comprising a multi-directional base and a modular fixture assembly disposed on the multi-directional base. This application achieves flexible installation and precise positioning of the clamping part on the multi-directional base by engaging the sub-base on the surface of the multi-directional base with the docking portion of the modular fixture assembly, combined with the adaptive design of the positioning block and positioning groove. This effectively eliminates clamping offset caused by workpiece geometric differences. The movable groove structure of the docking portion and the electrical connection design of the block-groove, through the integration of the sub-electrical connector and the female electrical connector, realize real-time linkage between the clamping action and external control equipment, thereby supporting dynamic adaptation of the fixture orientation in multi-process collaborative machining. Furthermore, when the operator needs to clamp parts in multiple directions, the clamping part can be installed on sub-bases in different directions, effectively adapting to different machining requirements.

A tool integrated cabinet for rail transit vehicles includes a shell, a pullable support frame, a damping universal roller and a folding seat storage cabin. The support frame is linearly guided through the sliding cooperation of a T-shaped guide rail and a clamping block. The stability of the support frame in a vehicle vibration environment is improved by the antiskid rubber material and damping design of the roller. The inside of the support frame adopts a modular partition structure. A fire extinguisher is fixed through the placement grooves of first and second support plates. The bottom plate cooperates with a guide groove to realize the quick taking and placing of an escape ladder. A groove is internally provided with a slide rail type folding seat storage cabin. The folding seat storage cabin is linked with a storage guide plate through a handle passage to realize the vertical partition management of emergency equipment and auxiliary tools. In addition, the conical self-locking structure and spring elastic pre-tightening mechanism of the plug rod and plug plate can effectively prevent the accidental sliding of the support frame. The combination innovation of the T-shaped guide rail, damping roller and folding cabin integration significantly enhances the safety and convenience of rail transit emergency equipment management.

The utility model discloses an edge grinding device for circuit board processing, including frame, be equipped with rotating platform and first motor for driving rotating platform rotation respectively on the frame, be equipped with positioning mechanism on rotating platform, be equipped with edge grinding mechanism and moving mechanism for driving edge grinding mechanism displacement respectively on one side of rotating platform of frame top, wherein, positioning mechanism includes six positioning assembly, adjusting member and vacuum chuck, six positioning assembly is uniformly distributed on rotating platform along circumference, adjusting member sets up on rotating platform can drive six positioning assembly synchronous relative rotating platform center and make close or far displacement, vacuum chuck sets up on rotating platform, positioning assembly includes movable block and the positioning pin of elastic telescopic setting on movable block, and positioning pin lower extreme extends to rotating platform below and is equipped with fixed shaft, and positioning pin is elastically convex on movable block top initially, the arc top block of being equipped with correspondingly below edge grinding mechanism on the frame.

The utility model relates to the technical field of machining, in particular to a vacuum suction nozzle assembly of a grabbing mechanical arm of a plate feeding machine, which comprises a grabbing mechanical arm for the plate feeding machine, a fixed seat is mounted at the fixed end of the grabbing mechanical arm, and a vacuum negative pressure pump is mounted at the movable end of the grabbing mechanical arm. Through the arrangement of the grabbing mechanical arm, the vacuum suction nozzle assembly can accurately reach the target position to conduct grabbing operation; the vacuum negative pressure pump is installed at the movable end of the grabbing mechanical arm and can generate vacuum negative pressure and provide power for sucking objects, the detachable net cover is installed at the air outlet end, sundries can be prevented from entering the pump, and meanwhile cleaning and maintaining are convenient. The top of the negative-pressure suction nozzle is provided with the internal thread connector which is matched with the external thread pipe in size and is in threaded connection with the external thread pipe, the negative-pressure suction nozzle and the vacuum negative-pressure pump are tightly connected through the connection mode and are convenient to disassemble and replace, the negative-pressure suction nozzle is in a sucker shape and can be better attached to the surface of a sucked object, and the suction stability and reliability are improved.

The utility model relates to building construction equipment technical field especially relates to a kind of steel structure support platform of climbing frame, including base plate, the upper end of the base plate is fixedly connected with bottom plate, the upper end of the bottom plate is fixedly connected with adjusting device, the outer surface of the adjusting device is clamped with two support device.The utility model described a kind of steel structure support platform of climbing frame, the positioning hole of the vertical support rod of the device is matched with first bolt, the height of transverse connecting rod can be flexibly adjusted, without disassembling can be adapted to different floor height, save construction time and reduce the risk of component loosening caused by repeated disassembly;Fixed assembly is reinforced transverse connection by bolt and nut, enhance the stability of overall structure, the ability of anti-deformation is significantly improved, support device is clamped with transverse connecting rod with arc-shaped hanging hole, installation is stable and not easy to incline, anti-skid pad increases friction and prevents slip.The overall adaptation is various construction scene, greatly improve operation safety and construction efficiency.

This invention relates to the field of environmental monitoring and early warning, specifically to a mobile soil pollution monitoring and early warning device. The device includes a mobile module, on which a fixed component, a monitoring component, and an early warning component are mounted. The mobile module includes a vehicle body, within which a drive unit is connected. The drive unit is connected to a power unit, which is connected to a lead screw. A nut seat is fitted onto the lead screw, and a moving ring is fitted onto the nut seat. The fixed component is mounted on the moving ring and includes a connecting rod. The connecting rod is hinged to a mounting plate, which is fixedly connected to the side wall of the vehicle body. A through groove is formed on the connecting rod, and a driven rod is hinged to the through groove. A fixed plate is hinged to the fixed plate, and an insert rod is connected to the fixed plate. A monitoring component is located at one end of the lead screw, and the monitoring component is signal-connected to a controller. The controller controls the opening and closing of the drive unit and the power unit. The early warning component is used by operators to issue warnings. This invention aims to achieve functions such as real-time monitoring, automatic lifting and adjustment, stable fixing, and intelligent early warning.

The utility model discloses the mould frame tool that can realize flexible positioning relates to mould frame tool technical field, including lower mould frame, the top four corners of lower mould frame is opened and has the positioning hole, the inner chamber bottom of positioning hole is fixedly connected with the bottom plate, and the buffer mechanism includes the damping cylinder, the damping cylinder fixedly connected at the top of bottom plate, the top of damping cylinder is bonded and has the sealing rubber ring, the inner chamber of damping cylinder is filled with damping oil liquid, the top of damping cylinder is inserted and has the pressure bar, the bottom of pressure bar penetrates damping cylinder and extends to the inner chamber of damping cylinder, this mould frame tool that can realize flexible positioning, the structure design is reasonable, and the interval between upper mould frame and lower mould frame can be adjusted fast and conveniently, thereby can fix the mould of different size, and the scope of application is wide, reduces the mould between upper mould frame and lower mould frame and is subjected to the pressure too big and leads to the mould damage, increases the service life of mould.

This utility model discloses a movable base for a lifting platform, relating to the field of lifting platform mobility technology. It includes a base with a support frame movably connected to one side, a tire fixedly connected to the bottom of the base, and a support assembly at the bottom of the base. The support frame includes a connecting block, one side of which is fixed to one side of the base. Upon activation of the support frame, the support frame drives a transmission rod to move within the connecting block, thereby causing a limiter and a fixed column to move synchronously. At this time, the adjusting screw rotates, and using a threaded structure, the fixed column drives the adjusting column to move up and down along its inner wall. The adjusting column then drives the support base plate to move downwards, causing the support base plate to tightly press against the ground and achieve stable fixation. This process, through mechanical linkage and threaded adjustment, precisely controls the position and pressure of the support base plate, providing reliable support for the overall equipment, effectively enhancing equipment stability, reducing the risk of shaking and displacement, and ensuring normal equipment operation.

The utility model discloses an accurate positioner for door lock installation, and relates to the technical field of auxiliary tools for door lock installation. The device comprises a positioning frame; the number of the first clamping plates is two, the two first clamping plates are symmetrically distributed and installed on one side of the inner wall of the positioning frame in a sliding mode, and a moving assembly used for driving the two first clamping plates to be close to each other or away from each other is installed on the positioning frame; and the number of the mounting frames is two, and the two mounting frames are fixedly mounted on one sides of the two first clamping plates correspondingly. Through the synergistic effect of the positioning frame, the first clamping plate, the moving assembly, the mounting frame, the moving frame, the positioning assembly, the sliding block, the fixing assembly, the second clamping plate and the like, flexible positioning and reliable fixing of the door lock are achieved, the defects of a traditional positioning device are effectively overcome, firmness and stability of door lock mounting are ensured, and the door lock mounting efficiency is improved. The installation quality is improved, meanwhile, the installation failure risk is reduced, and normal use and safety of the door lock are guaranteed.

The utility model provides an anti-ultraviolet detector of a nano anti-ultraviolet antibacterial functional polyester fabric, and belongs to the technical field of anti-ultraviolet detection of fabrics. A detection assembly is placed on the detection table; a cloth pressing assembly is arranged on the cloth placing table; a mounting bracket is arranged above the cloth placing table; an ultraviolet spotlight is arranged at the bottom of the mounting bracket; the installation support is connected with the cloth placing table through a sliding structure, and a fixing device facilitating installation and fixation of the cloth placing table is further arranged at the bottom of the cloth placing table. The fabric to be detected can be completely straightened and unfolded and is firmly fixed, so that the irradiation detection of ultraviolet rays is facilitated; the irradiation range of the ultraviolet spotlight is enlarged, and the fabric can be comprehensively irradiated; the cloth placing table can be fixed on a fabric production line, the cloth placing table is convenient to position and fix, and the detection efficiency can be effectively improved.

The invention discloses an RRT-Connect narrow channel path planning method based on optimization of an intermediate node interpolation method and a cross method shaped like a Chinese character'mi '. Belongs to the field of robot path planning. Comprising the steps that in the searching process, an intermediate node interpolation method is introduced, two intermediate nodes are inserted between two nodes colliding with an obstacle, and sampling is conducted in a narrow channel entrance area in a targeted mode; on the basis of a bridge test algorithm, a *-shaped crossing method is provided, a *-shaped line segment is formed by taking a node as a center, and the node in a narrow channel is accurately identified; judging whether the node collides with an obstacle or not by combining a vector geometry principle and an extended boundary concept; and eliminating redundant nodes in the path by adopting a greedy strategy, and smoothing the path by using a quadratic B-spline curve to obtain an optimized path. The method effectively solves the problems that an original RRT-Connect algorithm is too random in sampling under a narrow channel, low in search efficiency, poor in path quality and the like.

The utility model relates to pipeline installation support technical field, and disclose a kind of pipeline installation support adjusting device for construction, including first I-steel, the side of first I-steel can be fixedly installed with multiple second I-steel, the lower part of first I-steel and second I-steel is installed with multiple mounting plate, the bottom surface of mounting plate is fixedly installed with support cylinder, adjusting threaded rod is provided in support cylinder. By mounting plate opening convex character shape through slot, it is convenient to install by passing through the lower part through slot of first, second I-steel, then its top two sides threaded hole limiting bolt flexible positioning is used, avoid later pipeline installation punching, improve the speed of pipeline installation, rotate threaded rod push plate, support frame height can be easily adjusted, support threaded rod can adjust support adjusting plate height, rotating plate can be adjusted angle by rotating shaft, satisfy different pipeline installation needs, improve installation adjustment efficiency and convenience.

The application discloses a kind of print substrate posture self-adaptive intensive inkjet printing method, device and equipment, solve the problem of low efficiency that only one print substrate can be printed in prior art, the method comprises: obtaining the position information and profile information of each print substrate on print substrate carrier;According to the profile information of each print substrate, the printing data of the printing file corresponding to each print substrate is processed to make the position of ink droplet ejected on each print substrate consistent with the expected ink ejection position on the print substrate;According to the position information of each print substrate on the print substrate carrier, obtain the printing data in the processed printing file relative to the print substrate carrier position information;According to the position information, output the printing data of each printing file on the corresponding print substrate inkjet printing.The application saves the time of accurately placing print substrate, and multiple print substrates can be printed simultaneously, improving the printing efficiency.

The invention discloses a sensor support device and system for concrete filled steel tube ultrasonic detection. The sensor support device comprises a grip, a pressing plate and an adsorption mechanism. The lower end of the grip is connected with the pressing plate, and an ultrasonic detection sensor is installed in the center of the bottom face of the pressing plate. At least three groups of adsorption mechanisms are designed, and are uniformly arranged at intervals along the periphery of the ultrasonic detection sensor in the circumferential direction; each adsorption mechanism is provided with a magnet block used for being adsorbed to the outer wall of the steel pipe. The invention also discloses a concrete filled steel tube ultrasonic detection system. The device has the beneficial effects that the magnet block of the adsorption mechanism and the outer wall of the steel pipe can generate stable magnetic attraction acting force, the magnetic force can directly offset part of gravity load of the detection device, detection personnel only need to hold the grip to guide the direction, no extra supporting force is needed, and the device can be preliminarily attached to the surface of the steel pipe; the basic bearing burden of the hand is greatly reduced, and the problem that in the prior art, the labor intensity of workers is large is solved.

This invention relates to the field of stainless steel pipe prefabrication and surface treatment technology, specifically disclosing a mobile pickling and passivation operation platform for stainless steel pipes, comprising: a base frame, a waste liquid guide channel above the base frame, a waste liquid collection port in the middle of the waste liquid guide channel, and several pipe positioning frames above the waste liquid guide channel, each with several pipe positioning slots. The waste liquid guide channel and waste liquid collection port, with their inclined bottom surfaces, enable waste liquid collection, avoiding environmental pollution. The height of the operation platform is suitable for human-machine operation. The pipe positioning slots ensure the stability of the stainless steel pipes during the pickling process, preventing them from rolling off. Furthermore, universal ball bearings are installed on the pipe positioning slots, allowing the stainless steel pipes to tumble during pickling, ensuring thorough pickling of the stainless steel pipe surface and improving pickling effect and efficiency.

This invention discloses a method for encoding structured light patterns, a structured light projection module, and a three-dimensional measurement system, belonging to the field of optical measurement. Addressing the problem of fixed and inaccurate structured light encoding units in existing methods, this invention provides a method for encoding structured light patterns. The method divides the structured light pattern into multiple types of grid units, forming a grid encoding group with a predetermined number of consecutively arranged grid units. The grid encoding group is encoded based on the type of each grid unit, ensuring that each grid encoding group has a unique and non-repeating code. The code of the grid encoding group maps to its spatial position within the structured light pattern. Decoding includes acquiring the structured light pattern, determining the type of each grid unit, and matching the grid encoding group with the encoding set to obtain its position. This invention achieves flexible, high-density, and highly occlusion-resistant absolute position encoding by uniquely and non-repeating grid encoding groups composed of multiple consecutive grid units, making it suitable for high-precision three-dimensional measurement.

The utility model discloses a climbing button carabiner elastic rod spring feeding mechanism which comprises a spring feeding structure, a translation air cylinder, a lifting air cylinder and a rotating air cylinder, the spring feeding structure is installed on one side of a fixing plate and used for loading a spring into an elastic rod structure, the translation air cylinder, the lifting air cylinder and the rotating air cylinder are used for achieving movement of the elastic rod structure at all angles, and the spring feeding structure comprises a feeding block and an air blowing air cylinder. When a spring needs to be assembled in an elastic rod structure of a climbing button carabiner in the assembling and processing process of the climbing button carabiner, the elastic rod is grabbed up through the mechanical claw and then moved into a feeding hole of the spring feeding structure through the translation mechanism and the lifting mechanism, and then the spring is fed into the spring feeding structure. And then the spring in the feeding hole is blown into the direction of the elastic rod structure through the air blowing air cylinder, so that the spring is automatically assembled into the elastic rod structure, the purpose of mechanical automatic installation is achieved, the assembling efficiency is greatly improved, the neglected installation rate is reduced, and therefore the production quality is improved, and the labor cost is reduced.

The application discloses an earphone loudspeaker automatic film pasting machine, which comprises a sound film circulation assembly, a protective cover feeding assembly, a rack, a magnetic circuit feeding assembly, a discharging conveying belt assembly and a jig circulation, the sound film circulation assembly is arranged at the first end of the rack, the jig circulation is arranged on the rack, the protective cover feeding assembly is arranged on one side of the rack, the magnetic circuit feeding assembly is arranged on the other side, the discharging conveying belt assembly is arranged on the rack at the side of the sound film circulation assembly, a lead straightening assembly is arranged between the sound film transplanting assembly and a sound film turning-over assembly, the front end of the lead straightening assembly is provided with the sound film turning-over assembly, the front end of the sound film turning-over assembly is provided with a gap detection, and the gap detection and a jig table top are provided with a lead pressing and guiding device. The earphone loudspeaker automatic film pasting machine has the advantages of full-automatic production, high equipment integration degree, high production efficiency and good connection in the production process of each process of earphone loudspeaker film pasting.

This utility model relates to the field of gasoline engine piston ring assembly technology, specifically a piston ring assembly angle positioning tool, including a working plate and piston rings. Several support columns are fixed on the bottom surface of the working plate, and an expansion mechanism for expanding the piston rings is located at the top of the working plate. The drive end of a rotating mechanism is located at the bottom of the expansion mechanism, used to adjust the angle of the expansion mechanism on the horizontal plane. A moving mechanism is located on the top surface of the working plate, and the bottom of the rotating mechanism is located at the drive end of the moving mechanism, used to drive the rotating mechanism to move left and right. This utility model, by setting up an expansion mechanism, precisely expands the piston rings, realizing the function of flexibly adjusting the degree of expansion according to the inner diameter of the piston rings. Through the cooperation of the rotating mechanism and the moving mechanism, it achieves comprehensive adjustment of the horizontal position and angle of the piston rings, achieving flexible positioning according to the position of the external piston and fixing device.

This invention discloses a hole diameter detection system and method for circuit boards, relating to the field of small hole detection on circuit boards. It includes a three-degree-of-freedom conveying mechanism and a detection worktable. The detection worktable is arranged within the working range of the three-degree-of-freedom conveying mechanism. A small diameter detection component is installed on the detection worktable, comprising a high-precision detection cone and a high-precision distance sensor. The high-precision detection cone is vertically mounted on the top surface of the detection worktable and is formed by a frustum of a cone, with its small-diameter end positioned away from the detection worktable. The high-precision distance sensor is mounted on the top surface of the detection worktable, with its detection path vertically upwards. A horizontal feeding mechanism is installed on the three-degree-of-freedom conveying mechanism. Utilizing the linear axial change in the diameter of the high-precision detection cone, combined with the high-precision distance sensor for accurate detection of the circuit board height, the inner diameter can be directly calculated from the contact position of the small hole on the cone.

The utility model discloses a movable positioning mechanism. The movable positioning mechanism comprises a base; the positioning pin is arranged on the base; and the driving mechanism is fixed on the base, is connected with the positioning pin and drives the positioning pin to move along the length direction of the positioning pin. According to the utility model, the flexible positioning of the positioning pin can be automatically realized, different workpieces and application scenes can be adapted, the applicability is wide, and high-precision positioning, motion control and high-efficiency energy transfer are realized.

The utility model is suitable for the technical field of tunnel deformation monitoring, and provides an adjustable tunnel deformation monitoring device which comprises a tunnel inner wall fixedly provided with a supporting frame, and the supporting frame is provided with a sliding groove. The monitoring box is arranged on the supporting frame; the vertical rod is mounted on the monitoring box in a sliding manner and extends out of the monitoring box; the monitoring head is fixedly mounted on the vertical rod, and the monitoring head is arranged corresponding to the inner wall of the tunnel; the fixed plate is fixedly mounted on the vertical rod, and the fixed plate is in sliding contact with the monitoring box; and the screw rod is rotatably mounted in the monitoring box, and the screw rod is in threaded connection with the fixing plate. According to the adjustable tunnel deformation monitoring device provided by the scheme, the height and angle can be changed according to the tunnel structure and the monitoring requirement, and the tunnel monitoring requirement can be met.

The utility model relates to the technical field of air purification, in particular to an air purification device for an agricultural greenhouse, which comprises a mounting frame, a rack is fixedly connected to the upper end of the mounting frame, a moving mechanism is mounted at the upper end of the rack, the moving mechanism comprises a fixing frame, and a circulating mechanism is mounted at the upper end of the fixing frame. The moving mechanism comprises a mounting block, a discharging mechanism is mounted on the inner side of the mounting block, through the innovative design of motor driving and air pump linkage, synchronous operation of air purification and fertilizer spraying functions is achieved, it is ensured that an air inlet hopper is flexibly positioned in a greenhouse, the air suction range is expanded, and through meshing transmission of a first bevel gear and a second bevel gear, the air inlet hopper is driven by a motor; the air inlet pipe is driven to rotate in the exhaust pipe, so that the air inlet hopper dynamically captures air in different directions, the suction range is effectively expanded, and dead angles are reduced.

The present invention relates to a device for calibrating and adjusting the chassis of a connected vehicle by wire, comprising a column connected to a base, wherein the column is respectively and sequentially installed with a calibration beam, a double-axis winding curtain attached to a calibration bottom plate, and a pulley block located inside the top of the column from top to bottom, and both sides of the calibration beam are installed with aluminum profile folding pieces and are locked and fixed by a first slider bolt. Under the tightness adjustment of the first slider bolt, the calibration beam can slide up and down along the column and adjust the height to be locked in any position, and the calibration bottom plate is laterally fixed to the front side of the column in the center, and both sides of the calibration bottom plate are installed with aluminum profile folding pieces and are locked and fixed by a second slider bolt. Beneficial effects: The present invention solves the technical problems that the existing design of sensor accessories is easy to be lost and damaged during use and management, and calibration for different application scenarios cannot be performed at multiple angles and multiple dimensions of scene environments at the same time.