194results about How to "Accurate limit" patented technology

The invention relates to the technical field of access authority, in particular to an authentication method of a data service interface. According to the method, time periods are divided according to the access number at an interface to obtain analysis time periods, abnormal time periods are determined by analyzing access changes in the time periods and user access duration conditions, and hostile attack segments are screened out by combining similar distribution conditions of other time periods; obtaining an association index through the similar condition between analysis time periods between interfaces and the distribution of hostile attack segments; according to the association index of the access interface of the user on the time sequence and the access abnormity possibility, combining the access quantity to obtain the behavior abnormity degree and determining an abnormal user; and performing interface authorization limitation based on the behavior abnormality of the abnormal user. According to the method, the malicious attack part is screened based on the access change among multiple time periods, and the association relationship among the interfaces is combined, so that the user interface access behavior abnormity analysis is more accurate, the authority is limited according to the behavior abnormity condition, and the authorization limitation of the interface is safer and more reliable.

The invention discloses edge cutting equipment for aluminum curtain wall material plate machining, and relates to the technical field of plate edge cutting equipment. Comprising a base; the bottom end of the top cover is fixedly connected with the outer wall of the base; the outer walls of the rollers are rotationally connected with the inner wall of the base, and the rollers are linearly arrayed along the inner wall of the base. The driving device is arranged, the friction rollers are driven by the driving motor and the belt pulley set, plates can be rapidly and stably pushed to move towards the cutting device, the conveying efficiency of the plates is improved, and the conveying efficiency of the plates is improved. Therefore, the edge cutting operation speed is increased, and all parts of the equipment work cooperatively, so that the whole machining process is smooth and efficient. And all links of limiting, conveying, cutting and chip removing of the plate are in close fit, so that the operation time and the labor cost are reduced, and the production efficiency is improved.

The bending machine for the angle steel is applied to the field of angle steel bending and comprises a bottom plate, the top of the bottom plate is in bolting connection with a box body, the interior of the box body is in bolting connection with a first fixing frame, the interior of the first fixing frame is rotationally connected with a threaded rod through a bearing, and one end of the threaded rod is fixedly sleeved with a first motor; and the surface of the threaded rod is in threaded connection with a first threaded plate. According to the angle steel bending device, the multi-angle bending function can be achieved, the position of a bending piece is adjusted front and back through a lower stroke assembly, the bending angle of angle steel is changed after the bending pieces at different positions are pushed out, the application range and flexibility of the device are improved, meanwhile, the angle steel can be accurately placed and limited, and the bending efficiency is improved. The precision of the angle steel bending point and the bending piece is improved, the angle steel can be prevented from sliding and shifting in the bending process, the machining quality of the angle steel is guaranteed, and practicability is high.

The present invention relates to the field of welding equipment, specifically to an automated processing equipment for welding pipe parts with integrated material guiding and automatic unloading functions, including a support device for support and connection, a unloading device symmetrically arranged on the inner end surface of the support device, and a transmission device for transmission rotatably engaged at the lower end surface of the support device, and a servo motor is fixedly arranged on the side end surface of the support device opposite to the transmission device. The present invention sets a guide device, and when two groups of connecting pipes are accurately positioned, the two groups of guide devices can be driven by the transmission device to perform coaxial centripetal displacement, thereby quickly and accurately aligning and limiting the two groups of connecting pipes, effectively improving the accuracy and stability of limiting and aligning the connecting pipes.

The invention relates to the technical field of assembling tools, and discloses a push rod assembly assembling tool which comprises a tool containing base, a mounting groove is formed in the surface of the tool containing base and used for being clamped into a table, the tool adopts a three-in-one integrated design, a push rod assembly is divided into three parts of assembling procedures, the assembling procedures are completed on the same tool containing base in a centralized mode, and the assembling efficiency is improved. The first assembling part is arranged along the Y axis and can synchronously complete pretreatment assembling of multiple sets of guide rod assemblies, the second assembling part arranged along the X axis is matched with the extrusion assembly to achieve pressing-in operation of a plastic cover, the third assembling part is arranged along the Z axis, assembling of a gear and a cover body assembly in a push rod shell assembly is achieved, the transfer time between procedures is greatly shortened, and the connection cost is greatly reduced. And through integrated layout, precise positioning and convenient operation design, the production efficiency is remarkably improved, the product quality is effectively guaranteed, and the labor and equipment investment cost is reduced.

The invention discloses a nylon spinning cake carrying device and method facilitating discharging, and relates to the technical field of carrying devices.The nylon spinning cake carrying device comprises a bottom plate, wheels are arranged at the bottom of the bottom plate, a protection plate is fixedly installed at the top of the bottom plate, a handle is fixedly installed on the surface of the protection plate, and a sliding groove is formed in the surface of the protection plate; a rectangular groove is formed in the surface of the protection plate, and a clamping groove is formed in the face, close to the sliding groove, of the protection plate. Wherein the discharging device comprises a lifting frame, a cylindrical rod, a rotating plate, a C-shaped plate, a first spring, a pull rod, a limiting block, a contact plate and a friction plate, the lifting frame is slidably installed on the face, away from the handle, of the protection plate, and the position of the lifting frame is changed through standard operation, so that the rotating plate is close to the second layer of nylon spinning cakes; and an operator can conveniently and quickly discharge the second layer of nylon spinning cakes, so that the discharge efficiency and accuracy are improved.

The invention provides a wood board surface defect detection device. The wood board surface defect detection device comprises a detection device. Transfer assemblies are arranged at the two ends of the detection device correspondingly. The detection device is provided with a conveying assembly, an optical detection mechanism, a marking mechanism and a plurality of limiting mechanisms. The optical detection mechanism, the marking mechanism and the limiting mechanism are arranged on the upper portion of the conveying assembly. The plurality of limiting mechanisms are respectively arranged on the left side surface and the right side surface of the to-be-detected plate; the marking mechanism is arranged on the rear side of the optical detection mechanism and is used for marking the positions with defects on the surfaces of the plates; the transferring assembly is provided with a rotating cylinder and a plurality of bearing plates, the bearing plates are arranged on the rotating cylinder, the multiple bearing plates are arranged in an array, and the rotating cylinder drives the bearing plates to drive the plates to rotate. The plate is moved from the horizontal state to the vertical state through the transfer assembly, then the front face and the back face of the plate are detected through the optical detection mechanism, the defect positions are marked through the marking mechanism, and the detection efficiency is improved.

The invention relates to the technical field of circuit breaker automatic assembly, in particular to an automatic assembly tightening device for a circuit breaker, which comprises a lifting assembly, a rotating assembly and a locking assembly, the lifting assembly comprises a lifting seat and a lifting power source for driving the lifting seat to do lifting motion, and the rotating assembly comprises a rotating driving mechanism and a rotating piece. The rotating piece is connected with the driving end of the rotating driving mechanism, the rotating driving mechanism is fixed to the lifting base, the output end of the rotating driving mechanism is connected with the rotating piece through a floating shaft, and the rotating piece is matched with the air cylinder. The locking assembly is arranged on the rotating piece and comprises a locking driving mechanism and a locking piece, and the locking driving mechanism drives the locking piece to be inserted into or withdrawn from the pin hole of the air cylinder. According to the automatic tightening device for assembling the cylindrical parts of the circuit breaker, the auxiliary holes in the circumferential direction serve as counter-force points to fix and lock the parts, and meanwhile the parts on one side are driven through rotation to automatically tighten the two parts.

This invention provides a cup assembly for a food processor, including a cup body, a cup lid, and a processing component disposed within the cup body. It also includes a gearbox, which comprises a movably disposed clutch output shaft. When the clutch output shaft moves to a first position, it drives the processing component to output a first rotational speed; when the clutch output shaft moves to a second position, it drives the processing component to output a second rotational speed. The cup lid is installed in place, maintaining the clutch output shaft in either the first or second position. Furthermore, a food processor with the aforementioned cup assembly is provided. In the first position, the clutch output shaft outputs a first rotational speed to adapt to multi-functional cooking; in the second position, it outputs a second rotational speed to adapt to another multi-functional cooking method requiring a different speed. By changing the position of the clutch output shaft, the processing component can be replaced and the rotational speed can be automatically switched. Moreover, the output speed range is wide and the torque is high, avoiding stalling caused by high processing resistance.

The invention relates to the technical field of glassware production, discloses a size detection device for glassware production, and solves the problems of tedious operation, long time consumption and low efficiency of an existing size detection device for glassware production which sequentially measures the inner and outer diameters of a bottle opening through a vernier caliper. The glass bottle height measuring device comprises the workbench, the air cylinder arranged in the rack, the laser measurer arranged at one end of the air cylinder and the feeding and discharging mechanical arm arranged on one side of the workbench, a fixing plate and the laser measurer are driven by the air cylinder, the laser measurer and a glass bottle can be accurately positioned, and the height size of the glass bottle can be conveniently measured; in the downward pressing process of the fixing shell, through the inner measuring structure and the outer measuring structure, measurement of the inner diameter and the outer diameter of the bottle opening can be completed in the same action by means of spring force storage, mechanical transmission and a capacitance displacement sensor, measurement of the inner diameter and the outer diameter is matched, the size of the bottle opening can be comprehensively detected, and detailed and accurate data are provided for glass bottle quality control. The whole process is efficient and stable.

The utility model belongs to the technical field of household appliances, and particularly relates to a coupler water feeding mechanism which comprises an upper connector, a water outlet pipe installed on an upper connecting seat, a water inlet pipe installed on a lower connecting seat, a sealing sleeve arranged between the water inlet pipe and the water outlet pipe, made of rubber materials and matched with a sealing piece through a spring. The valve has a sealing state and an opening state, the water inlet effect is achieved in the opening state, and the sealing effect is excellent in the sealing state.

The invention relates to the technical field of angle steel welding equipment, in particular to an automatic angle steel welding device for an angle steel tower, which comprises a welding part bracket, a welding part, a welding part, a welding part, a welding part and a welding part, and is characterized in that a pneumatic pushing mechanism, a right-angle positioning guide frame and a limiting frame are sequentially arranged at the top of the welding part bracket from inside to outside; and a single-drive mechanism. Therefore, the automatic angle steel butt-joint device is exquisite in structural design and outstanding in performance, automatic feeding can be achieved, angle steel can be accurately controlled to move and be in butt joint along a preset path, machining precision and efficiency are improved, welding quality is guaranteed, errors are reduced, automatic discharging can be achieved after welding is completed, working efficiency is further improved, manpower burden is relieved, meanwhile, personal errors and potential safety hazards are avoided, and the automatic angle steel butt-joint device is suitable for popularization and application. And the product quality and the production stability are improved, and great market popularization and application values are achieved.

The invention relates to the technical field of building construction, and discloses a deep foundation pit single-side formwork structure and a construction technology, and the deep foundation pit single-side formwork structure comprises a deep foundation pit body, a cement pouring slope poured on the deep foundation pit body, a formwork foundation poured on the outer surface of the deep foundation pit body, and a cement pouring formwork fixedly installed on the formwork foundation. And a plurality of positioning columns which are distributed at equal intervals are fixedly mounted on the outer surface of the cement pouring inclined plane. According to the deep foundation pit single-side formwork supporting structure and the construction technology, through the design of the bottom moving wheels, the position of the formwork supporting frame can be adjusted more flexibly in the installation process, the installation efficiency and convenience of the whole formwork supporting structure are improved, the first connecting steel frame and the second connecting steel frame in the formwork supporting assembly are connected through the connecting bolts and the limiting sleeves, assembling and disassembling are convenient, and the construction cost is reduced. And flexible adjustment can be achieved according to actual construction requirements, inclined rod connection is achieved through cooperation of a first connecting base, a second connecting base, a bolt rod, a first limiting groove and a second limiting groove in the connecting assembly, and the construction efficiency is improved.

The utility model discloses a hoisting device for house building construction, which comprises a hoisting frame, the hoisting frame is connected with a mounting frame, the outer wall of the mounting frame is provided with a servo motor, the output end of the servo motor is connected with a driving rotating shaft, the end part of the driving rotating shaft is rotatably connected to the inner wall of the mounting frame, and the outer wall of the driving rotating shaft is provided with a first roller frame; the first roller frame is connected with a steel wire rope, and a ratchet wheel used for locking is installed on the first roller frame. According to the hoisting device for house building construction, the safety of the hoisting process is ensured, and the hoisting flexibility of blocky objects can be improved by laying additional bearing plates between the bearing structures. And when large or blocky objects need to be hoisted, the objects can be placed on the bearing plate, so that the applicability and the safety of the device are effectively improved.

The utility model relates to a tractor middle mower front end hitching structure and a tractor and relates to the field of tractors and mowers, the hitching structure comprises a hook assembly and a hanging assembly, the hook assembly is used for being fixedly connected with a front bracket of the tractor, and the hanging assembly is used for being fixedly connected with a mower body. The hook assembly is provided with a hanging part with a forward opening, and the front end of the hanging assembly tilts upwards to form a hanging part which is matched with the hanging part in a hanging mode. When the middle-arranged mower is hooked with a tractor, the mower is flatly placed on the ground, front wheels of the tractor press over a shell of the mower and continue to run forwards by a certain distance, and at the moment, a hooking part of a hook assembly fixed on a front bracket of the tractor automatically hooks a hanging part of a hanging assembly; therefore, the front part of the mower is automatically connected with the tractor.

The utility model discloses a centering tool for machining a bearing seat, which relates to the field of bearing seat machining and comprises a workbench and a limit rod, mounting plates are arranged at four corners of the top of the workbench, and limit components are arranged among the mounting plates. The limiting assembly comprises a connecting bottom plate, a hollow block, a telescopic piece, a fixing rod, a first spring, a limiting plate, a second spring, a connecting top plate and a clamping block. According to the centering tool for bearing seat machining, by arranging the limiting assembly and the centering assembly, in the using process of the centering tool during bearing seat machining, the outer wall of a bearing seat is limited, the bearing seat is conveniently and more accurately positioned in the follow-up process, the bearing seat is more stable in the machining process, and the machining efficiency is improved. And meanwhile, the inner side wall of the bearing seat is limited, then the bearing seat is centered, the structure is simple, a worker can operate and use the centering tool conveniently, and the worker can use the centering tool conveniently.

The utility model belongs to PCB board processing technical field especially is a kind of PCB board anti-shaking with insert frame type jig, including fixed base, the top of fixed base is separately provided with two sets of positioning frame and SMT jig, the outer surface of SMT jig is in contact with the inner wall of positioning frame, the upper surface of fixed base is fixedly connected with two sets of positioning column, the inside of SMT jig is provided with two PCB boards, the inner wall of each PCB board is in contact with the outer surface of positioning column, the top of SMT jig is provided with steel sheet, the inside of SMT jig is provided with two groups of magnet block, the inside of steel sheet is provided with two magnet plates, the bottom surface of each magnet plate is in contact with the upper surface of magnet block, by fixed base and positioning frame, SMT jig can be stably supported and positioned, avoid its deviation in the operation process, with the positioning column of fixed base cooperation SMT jig, can realize accurate location to PCB board, prevent PCB board from shaking, solve the printing deviation problem caused by unstable artificial attachment adhesive.

The utility model relates to a villa elevator rolling guide shoe which comprises a mounting plate, a lead screw is fixedly connected to the mounting plate, two moving sleeves are symmetrically connected to the lead screw in a sliding mode, adjusting plates are fixedly connected to the tops of the moving sleeves, mounting shafts are fixedly connected to the tops of the adjusting plates, and rolling wheels are rotationally connected to the outer sides of the mounting shafts. The top of the mounting plate is symmetrically and fixedly connected with two fixing shafts, and the fixing shafts are rotationally connected with the corresponding adjusting plates. The roller device is simple in structure, low in manufacturing cost, small in resistance of the roller structure and low in noise. Resistance is small when the rollers make contact with the guide rails, friction noise can be reduced, and the elevator running comfort is improved. And through cooperative use of a limiting nut and a top plate, accurate positioning and limiting of the moving sleeve are achieved, and the stability and safety of the device are further improved. And the mounting pad arranged below the mounting plate not only can effectively absorb shock, but also facilitates fixation and adjustment of the mounting plate, and the reliability of the whole device is enhanced.

The invention discloses a machining device, a machining method, a computer device, a storage medium and a program product, and the machining device comprises a feeding abutting part which is used for abutting against and positioning a flexible material; the two clamping jaws are used for clamping the two ends, abutting against and positioned by the feeding abutting piece, of the flexible material, the two clamping jaws can move in the direction close to each other or away from each other, and the two clamping jaws apply pulling force to the flexible material; and the machining bearing part is used for bearing the flexible material, and the two clamping jaws can move in the direction from the feeding abutting part to the machining bearing part so that the flexible material can be placed on the machining bearing part. According to the embodiment of the invention, the flexible material can be positioned and limited, so that the flexible material can be accurately processed.

The utility model provides a kind of headrest with cosmetic mirror, car seat and vehicle, it is related to the technical field of automobile parts, the headrest includes headrest body, cosmetic mirror subassembly, damping device and limiting device, and headrest body rear side is equipped with accommodating cavity;Cosmetic mirror subassembly is reversibly set in accommodating cavity by pivot, including triangular installation body and cosmetic mirror, installation body has adjacent first surface and second surface, first surface fixed cosmetic mirror, and second surface is the decorative surface consistent with the curvature of headrest rear side outer surface.Cosmetic mirror subassembly can be switched between the use state that cosmetic mirror is exposed and flush with headrest and the storage state that decorative surface is exposed and flush with headrest.The design realizes the balance of hidden storage and convenient use of cosmetic mirror, flush with headrest surface when storage, stable adhesion without space when use, solve the problem that traditional cosmetic mirror is complicated to operate and occupies space, improve practicality and aesthetic property, especially suitable for rear passenger use.

The invention discloses an aluminum profile metal plate stamping device which is characterized in that a supporting rack is fixedly connected to one side of the upper end of a mounting base table, a lower die assembly is fixedly connected to the position, opposite to the supporting rack, of the mounting base table, the supporting rack comprises supporting rods and a supporting plate, the supporting rods are evenly distributed on the periphery of the lower die assembly, and the supporting plates are arranged on the supporting rods; a supporting plate is fixedly connected to the upper ends of the supporting rods, a stamping assembly is fixedly connected to the middle of the supporting plate, an upper die base is fixedly connected to the lower end of the stamping assembly, the upper die base and the lower die assembly are oppositely arranged, a feeding and discharging assembly is arranged on the other side of the upper end of the mounting base, and a material conveyor is transversely arranged on the mounting base. And the material conveyor is transversely arranged between the supporting rack and the material conveyor, and the material conveyor located on the mounting base table is provided with a positioning assembly. The invention aims to provide the metal plate stamping device which is high in machining precision, high in production efficiency and capable of reducing the risk of manual operation.

The present invention discloses a zinc-aluminum alloy die-casting mold for an optical module in the technical field of optical module die-casting equipment, comprising a clamping assembly, wherein the clamping assembly comprises an upper pressure plate and a drag plate respectively arranged at upper and lower horizontal positions along a cooling box cover, the drag plate and the upper pressure plate both comprise a connecting box plate, a plurality of plug plates arranged at intervals are installed on the side walls of the connecting box plate, a plurality of limiting metal blocks for limiting the position of a molded part are vertically slidably arranged on the surface of each plug plate, a protruding driving mechanism for driving the plurality of limiting metal blocks to protrude is arranged in the plug plate, and a selective opening mechanism is arranged on one side of each limiting metal block; the present invention solves many problems in the die-casting, cooling and dewatering links of a demolding part having a plurality of molded parts in the die-casting application scenario of an optical module, can effectively improve the transportation efficiency and positioning accuracy of the demolding part, has strong adaptability, saves labor costs, and improves production efficiency.

The utility model relates to the technical field of steel structure disassembly, and provides a high-efficiency energy-saving steel structure intelligent disassembly manipulator, which combines a shearing structure with intelligent monitoring, and improves the efficiency and the energy-saving property of steel structure disassembly. The support frame is matched with the limiting plate to realize rapid positioning and accurate limiting, so that stable shearing is guaranteed; the pressure sensor monitors stress in real time and assists in adjusting power, overload is avoided, and the shearing precision is improved. The shearing device has the advantages that the supporting frame is matched with the limiting plate to achieve rapid positioning and accurate limiting, and stable shearing is guaranteed; the pressure sensor monitors stress in real time and assists in adjusting power, overload is avoided, and the shearing precision is improved. The shearing assembly utilizes a splayed extrusion groove and a reset spring, power conversion is optimized, energy consumption is reduced, and rapid reset is achieved after shearing so as to improve the operation efficiency. The problems that traditional equipment is low in efficiency, high in energy consumption, insufficient in safety and the like are solved.

This invention discloses a sensing spring adjustment mechanism for mask mounting, belonging to the field of semiconductor lithography equipment technology. It includes a mounting base, a rotating shaft rotatably mounted on the mounting base, and a detection lever fixedly connected to the rotating shaft. Double torsion springs are sleeved at both ends of the rotating shaft, with the middle connecting end of the double torsion spring abutting against the bottom of the mounting base. A translational limiting mechanism is provided at the bottom of the mounting base, cooperating with the connecting end of the double torsion spring to guide and radially limit the movement of the connecting end. This invention uses double torsion springs instead of the traditional single-sided spring structure, providing a more balanced and stable reset force for the detection lever, ensuring the consistency and accuracy of the detection lever's reset action. Simultaneously, the double-sided support structure significantly reduces the risk of large deformation of the spring due to external force interference, fundamentally avoiding the problem of the spring detaching from the preset mounting slot.

The utility model relates to the technical field of cable tube cutting equipment, and discloses a limiting structure based on a hard polyvinyl chloride cable tube cutting device, which comprises a cutting machine main body, and limiting assemblies for limiting cable tubes with different thicknesses are symmetrically arranged on two sides of the cutting machine main body; by arranging a first limiting plate and a second limiting plate which can rotate and cooperating with a moving column, a rubber column, a pushing plate, a threaded column and other components, cable pipes of different thicknesses can be rapidly and accurately limited and fixed, and the problems that in the prior art, cable pipes of any size cannot be effectively limited, and the limiting and fixing speed is low are solved; and meanwhile, through the arrangement of a lifting assembly and a third limiting plate, the universality and stability of the limiting structure are further improved, it is ensured that the cable pipe can be efficiently and accurately limited in the complex environment of the construction site, and therefore the cutting quality and construction efficiency of the cable pipe are improved.

The utility model discloses a clamping device for metal steel pipe processing, which comprises a steel pipe clamping device, the two sides of the top of the steel pipe clamping device are fixedly connected with support rings, the inner sides of the support rings are rotatably connected with metal rods, and the surfaces of the metal rods are fixedly connected with hold-down rings. A servo motor is started, the servo motor drives a second bevel wheel to rotate, the second bevel wheel drives a first bevel wheel to rotate, the first bevel wheel drives a screw to rotate, the screw drives a lifting plate to move upwards, the lifting plate drives a toothed plate to move upwards, and the toothed plate moves to drive a gear to rotate. The gear rotates to drive the metal rod to turn over, the metal rod turns over to drive the pressing ring to press the steel pipe, the steel pipe can be fully fixed, the steel pipe can be clamped and fixed, follow-up machining and cutting are facilitated, an existing manual clamping mode is replaced, and therefore the efficient and automatic clamping effect is achieved.

The utility model relates to the technical field of paper box assembly, and particularly discloses automatic magnet pasting equipment for a paper box, which comprises a rack, and a first feeding device, a second feeding device, a glue supply device, a pasting manipulator and a pasting workbench which are arranged on the rack, the first feeding device is used for supplying an external paper box to the material pasting workbench, the second feeding device is used for supplying a magnet to the material pasting manipulator, the glue supply device and the material pasting manipulator are arranged in a matched mode and used for providing an adhesive enabling the magnet and the paper box to be pasted in a matched mode, and the material pasting manipulator is arranged on the rack in a reciprocating motion mode; the material pasting mechanical arm is used for picking up the magnet supplied by the second feeding device, driving the magnet to adhere the adhesive and pasting the magnet on the paper box borne by the material pasting workbench. According to the technical scheme, efficient and automatic mounting of paper boxes and magnets is achieved, the production efficiency is improved, the labor cost is reduced, the paper box mounting device adapts to different paper box specifications, the mounting quality is guaranteed, and the finished product yield and the equipment operation stability are improved.

The utility model discloses a foundation bearing capacity detection device, which relates to the technical field of foundation bearing capacity detection, and comprises a base, a detection insertion rod mechanism and a heavy hammer mechanism, a positioning unit, a limiting unit and a guide unit are fixedly arranged on the base, through holes are arranged on the base and the limiting unit, the detection insertion rod mechanism is arranged in the through holes, and the heavy hammer mechanism is arranged on the guide unit. The heavy hammer mechanism is slidably installed on the detection insertion rod mechanism and the guide unit. The device has the beneficial effects that through cooperative work of a three-jaw chuck mechanism, an electric control telescopic mechanism, a damping assembly, a tilt angle sensor and the like in the limiting unit, accurate limiting, buffering and damping and real-time deflection monitoring of the detection insertion rod mechanism are achieved, damage of vibration to the detection insertion rod mechanism is reduced, automatic deviation correction can be conducted on the detection insertion rod mechanism, and the detection efficiency is improved. Deflection of the detection insertion rod mechanism in the detection process is effectively reduced, the stability of the detection insertion rod mechanism is improved, and the accuracy and reliability of a detection result are guaranteed.

The utility model relates to the technical field of corn cultivation, and discloses a cultivation rack for corn cultivation, which comprises a liquid collecting frame, side plates are fixedly connected to two sides of the upper surface of the liquid collecting frame, and a cultivation assembly is arranged outside the liquid collecting frame; the cultivation assembly comprises two fixing frames, a plurality of baffles are slidably connected into the two fixing frames, a threaded groove is formed in the middle of one fixing frame, a stud is in threaded connection with the middle of one fixing frame through the threaded groove, and a cross button is fixedly connected to one end of the stud. The corn cultivation device is suitable for the full-period growth requirement of corn from germination to adult plants, the position of the baffle can be conveniently adjusted according to the growth of the plants, the position of the baffle is locked in cooperation with the pushing plate, a liquid leakage plate and a flow guide structure are integrated at the bottom, waste of cultivation liquid is effectively reduced, and secondary utilization is supported; the elastic plates are driven by the springs to form a flexible clamping structure, and wind-resistant support is provided when the corn plants grow to the high position.