54results about How to "Accurate limit" patented technology

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.

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 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 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 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.

The application relates to the technical field of robot-assisted equipment, in particular to a robot unpacking in-out material trolley drag chain which comprises a drag chain body and a ground support. The fixed end of the drag chain body is connected with an in-out material trolley, and the ground support is provided with a sliding guide rail. The drag chain body is connected by multiple chain links into a bendable chain structure, is provided with a anti-falling groove, is provided with a reinforcing rib assembly in the chain link, and is provided with a buffer structure between adjacent chain links. Limiting blocks are arranged on the two sides of the chain link and are guided by cooperating with the guide rollers in the guide rail through connecting rods. The reinforcing rib assembly comprises longitudinal and staggered reinforcing ribs and has high strength. The buffer mechanism comprises a buffer sleeve, a limiting sleeve and a buffer pad and is used for buffering. The drag chain has good anti-falling, buffering and guiding performances, high strength and can guarantee stable operation of the in-out material trolley.

This application relates to the technical field of clamping devices for loading platforms, and discloses a clamping device for a stacker crane loading platform, which includes a mounting frame, a first clamping frame, and a second clamping frame. The mounting frame is mounted on the loading platform, forming a loading area between it and the platform. Both the first and second clamping frames are mounted on the mounting frame and move towards or away from each other synchronously via a power unit. A clamping area is formed between the first and second clamping frames, and this clamping area is located within the loading area. This application improves the stability when conveying filter rod boxes.

The utility model belongs to the technical field of training equipment, particularly relates to cognitive function training and rehabilitation equipment for the psychiatry department, and aims to solve the problems that the position of a card is adjusted by moving a conveying belt in the prior art, but the card is inconvenient to replace after being used for a long time, and the position cannot be automatically adjusted and changed. A connecting box is obliquely arranged at the top of the base, a rotating shaft is rotatably arranged on one side of the connecting box in a penetrating mode, a plurality of sets of adjusting frames are arranged on the rotating shaft, clamping pieces are arranged in the adjusting frames, a magnifying lens is embedded in one side of the connecting box, and a fixing strip is fixedly arranged on one side of the connecting box. According to the intelligent card display device, multiple functions such as card display, magnifying lens assistance, automatic pushing and writing and drawing on the writing board are integrated, flexible selection and display of cards are achieved through driving of the first motor and the second motor, and meanwhile stable rotation and positioning of the adjusting frame are guaranteed through the design of the clamping piece and the rotating ring.

The utility model belongs to the field of pulverizer especially a kind of tool bit structure and high-speed pulverizer, when existing or approximate round, spherical and other surface smooth object in material, it is easy to roll in its pulverizing cavity, it is difficult to effectively stay in the action area of blade, thereby leading to effective pulverizing time reduction, make its pulverizing efficiency not high problem, present and propose following scheme, it includes blade body, the outer wall of the blade body is provided with multiple protruding mounting end;Multiple pulverizing blades are used to carry out pulverizing operation, multiple the pulverizing blades are all fixed by bolt setting in the mounting end of blade body, the outer wall of the blade body and close to the side of pulverizing blade is all provided with multiple limit bolt, inside lower plate will swing, to effectively press the material in pulverizing area, so as to solve the problem that round or spherical material is easy to roll due to surface smooth, it is difficult to be fixed in the action area of tool head, make effective pulverizing time reduction.

The invention relates to a miniature circuit breaker with multiple wiring modes, which relates to the technical field of intelligent power grids and comprises a shell, an electrical element arranged in the shell and a control handle rotationally arranged on the front side of the shell. A first wiring port is formed in the front portion of the top face of the shell, a second wiring port is formed in the back side of the shell, and a receding notch communicated with the second wiring port is formed in the rear portion of the top face. A conducting strip of which one end is connected with the electrical element is fixedly arranged in the shell, and a binding post positioned in the first wiring port and an elastic clamping piece positioned in the second wiring port are fixedly arranged at the other end of the conducting strip at the same time; a connecting plate is rotationally connected to the side wall of the receding notch, and a protection plate is vertically and fixedly arranged on the side face edge, away from the shell, of the connecting plate; a locking piece is arranged outside the shell; in the application, the connection plate can be flexibly switched to two protection states to correspondingly block the idle first wiring port or the idle second wiring port, so that dust is prevented from entering the shell and being attached to core electrical components such as the conducting strip and the binding post.

The utility model relates to profile processing technical field especially relates to a kind of positioning structure of cavity profile machining, including base, fixed X-axis fixed positioning mechanism, X-axis dynamic positioning mechanism, Y-axis fixed positioning mechanism, Y-axis dynamic positioning mechanism and Z-axis driving mechanism are equipped on the base, the X-axis fixed positioning mechanism and X-axis dynamic positioning mechanism are along the length direction interval arrangement of the base, the Y-axis fixed positioning mechanism and the Y-axis dynamic positioning mechanism are along the width direction interval arrangement of the base;Z-axis lower arm is fixedly arranged on the output shaft of Z-axis driving mechanism, Z-axis lower arm is driven along vertical axis rotation while moving in vertical direction under the drive of Z-axis driving mechanism.The utility model has the beneficial effects that: realize the multidirectional clamping of cavity profile, ensure the stability of cavity profile positioning;Avoid the feeding of cavity profile to cause obstruction.

The utility model relates to visual inspection technical field discloses a kind of product visual inspection devices, including workbench, the horizontal linear guide rail is fixedly installed in workbench top side, the vertical linear guide rail is fixedly installed in horizontal linear guide rail slider top, the camera is provided in vertical linear guide rail slider side;The utility model is through the synergic effect of electric push rod, top plate, fixed base, linkage rod, connecting seat and clamping rod etc. component, can be to product stable clamping fixed, in product rotation process, ensure that product will not occur to shake or displacement, ensure the accuracy of detection result, through the cooperation of limiting slide block and limiting sliding slot, accurate guide and limiting for the movement of clamping rod are provided, make clamping action more stable, reliable, through the mutual cooperation of electric push rod and motor, the automatic clamping and rotation of product are realized, reduce manual labor intensity, improve the degree of automation of detection process.

This invention relates to the field of auxiliary positioning technology for construction molds, and discloses a centrifugal forming anti-deviation positioning device for pipe piles. The device includes a base, a support assembly on the upper surface of the base, a hydraulic cylinder fixedly connected inside the support assembly, a push plate fixedly mounted at the output end of the hydraulic cylinder, a limit cap fixedly connected to the top of a connecting column, a limit plate fixedly connected to the bottom of the connecting column, rollers installed on the inner wall of the limit plate, and a spring mounted on the outer wall of the connecting column. One end of the spring is fixedly connected to the lower surface of the push plate, and the other end is fixedly connected to the outer wall of the limit plate. In this invention, by activating the hydraulic cylinder to push the push plate downwards, the spring is compressed during the movement of the push plate, which limits the vertical displacement of the roller and stabilizes the rotation state of the roller. This prevents the roller from jumping up and down due to centrifugal force during high-speed rotation, ensuring stable centrifugal forming of the pipe pile and improving the forming quality.

The invention discloses a vibration suppression module and a dynamic deviation correction system and method for high-speed lamination of battery pole pieces, and belongs to the technical field of battery manufacturing, the dynamic deviation correction system comprises a lamination table, the vibration suppression module, a lamination hand and an unwinding roller, a spring buffer structure and a magnetic module are arranged at the two ends of the lamination table, the vibration suppression modules are arranged at the two ends of the reciprocating motion track of the lamination table, each vibration suppression module comprises a first trigger switch, an electromagnetic module and a second trigger switch, primary speed reduction is carried out through spring buffering, accurate positioning and hard contact triggering are achieved through electromagnetic adsorption, and the vibration suppression modules are arranged on the two ends of the reciprocating motion track of the lamination table. The vibration of the lamination table in place at a high speed is effectively inhibited, and meanwhile, the system integration two-way communication module and the control computer perform real-time error compensation by comparing time position coordinates fed back by the lamination table in real time with a preset track to form closed-loop dynamic deviation correction, so that the positioning precision, the stability and the production efficiency in the high-speed lamination process are greatly improved.

The utility model relates to the technical field of doors and windows, and discloses a heat insulation type energy-saving aluminum alloy door and window which comprises a window frame, two sliding grooves are formed in the bottom side of the interior of the window frame, sliding strips are slidably installed in the two sliding grooves, and window sashes used in cooperation with each other are fixedly connected to the upper surfaces of the two sliding strips; the nano ceramic heat insulation coatings are arranged on the outer sides of the window frame and the window sash, solar radiant heat can be reflected and absorbed, heat transmitted into a room is reduced, meanwhile, gaps are effectively filled with the ethylene propylene diene monomer heat insulation rubber strips on the inner side of the window frame, heat conduction is prevented, the heat insulation effect is remarkably enhanced, and the indoor comfort degree is improved; the energy consumption of an indoor air conditioner is reduced, the using effect of the air conditioner is improved, the two-way lead screw is controlled by rotating the rotary knob, then the limiting plate is driven to move, and flexible adjustment and precise limiting of the positions of the sliding strip and the window sash are achieved.

The utility model relates to the technical field of adhesive tape dividing and cutting machines, and solves the problems that as the number of knife rests is large, springs are arranged between the knife rests, the extrusion force is gradually reduced due to the influence of the elasticity of the springs, the distances between the knife rests in the middle are different, the distances between the knife rests cannot be adjusted according to cutting requirements, and the cutting efficiency is high. And the adaptability of adjustment is reduced. The adhesive tape splitting machine comprises a U-shaped long plate, inserting plates are slidably connected to the interiors of the two ends of the U-shaped long plate, two fixing rods are arranged between the inserting plates, a plurality of limiting holes are formed in the two sides of each fixing rod at equal intervals, and a plurality of sliding plates are slidably connected to the surfaces of the fixing rods; sliding holes matched with the fixing rods are formed in the surfaces of the sliding plates, directional holes are symmetrically formed in the inner side walls of the sliding holes, springs are arranged in the directional holes, one ends of the springs are connected with limiting balls, threaded holes are formed in the two sides of the top of each sliding plate and located over the sliding holes, and threaded bolts are arranged in the threaded holes.

The utility model discloses a kind of copper powder evenness devices, the utility model relates to copper powder evenness technical field.It includes mounting base, copper powder evenness mechanism for the preparation of lithium battery composite copper current collector is provided on the mounting base, copper powder evenness mechanism includes: limiting component, including the support plate of the fixed mounting base upper end surface, the utility model starts first electric push rod, the telescopic end of first electric push rod drives roller shaft support and limiting roller shaft move in horizontal direction, adjust the position of limiting roller shaft, so that it can accurately limit composite copper current collector, prevent it from deviating in moving process, can adapt to different width and specification composite copper current collector, ensure that it always remains in correct position in preparation process, improve the quality and consistency of product, wherein using snap connection and bolt fixed mode, so that the replacement operation of wiping sponge is simple and fast, without using professional tool, reduce the downtime of equipment.

The utility model provides a quick assembly and disassembly type swivel joint relates to swivel joint technical field, including the mounting bush, the first limit ring is fixedly connected with the mounting bush outer surface, the movable bush is sleeved with the mounting bush outer surface, the rotary connection pipe is sleeved with the mounting bush inboard. In the utility model, when connecting the mounting bush and the rotary connection pipe, first need to move the movable bush to the active state, provide the space for the insertion of rotary connection pipe, after promoting the movable bush, the rotary connection pipe can enter the mounting bush smoothly, the force that adds promotes the interaction of movable ball and movable rod, forms the activity space, and further creates the condition for the insertion of rotary connection pipe, after the insertion of rotary connection pipe, the elasticity of spring makes the movable bush restore the original position, promotes movable ball movement, further drives movable rod displacement, until movable ball is guided limit groove, ensure that the rotary connection pipe is accurate limit, prevent the separation, limit groove not only limit the separation, still guarantee that the rotary connection pipe can rotate freely after the insertion.

The utility model relates to the field of quail egg sorting discloses a kind of quail egg sorting equipment, including containing groove, the containing groove is opened in the top surface of workbench, the rear side of workbench is fixed with drive motor, the output shaft of drive motor extends to containing groove inside one end, the output shaft of drive motor is fixed with sorting frame one end, the inside of sorting frame is detachably provided with screening screen, the left side of sorting frame is fixed with electric push rod, the telescopic rod of electric push rod is fixed with push plate one end, the right side of push plate is fixed with several push blocks, the inner wall of sorting frame is fixed with connecting column.In the utility model, through the synergies of electric push rod, push plate, push block, connecting column, limit strip and spring, the actual size of quail egg can be dynamically matched, so that the sorting gap can be flexibly adjusted according to the actual size of quail egg, and different specifications of quail egg can be sorted.

The utility model relates to the technical field of semiconductor material processing, and disclose a kind of for silicon rod end face processing fixing device, including first fixture box, hinge and second fixture box, the first fixture box outer surface is equipped with first slot, the first slot is equipped with same multiple, the first fixture box outer surface is equipped with first clamping groove and second clamping groove, the first clamping groove and second clamping groove are penetrated multiple the first slot, the first fixture box outer surface is fixedly installed with extension block.This for silicon rod end face processing fixing device, when placing silicon rod body, according to the diameter size of silicon rod suitable first slot and second slot combination are selected, for the silicon rod of larger diameter, select larger distance slot, for the silicon rod of smaller diameter, select smaller distance slot, the design of decreasing equidistance distribution greatly improves the versatility of fixing device, can adapt to different diameter specifications silicon rod, without replacing different fixture, reduce the production cost and the time of replacing fixture, improve production efficiency.

The utility model discloses a pipe production offline quality detection device, which belongs to the technical field of pipe detection and comprises an equipment bottom plate, a pair of hexagonal mounting frames are arranged on one side of the top of the equipment bottom plate, and adjustable limiting components are arranged on the two hexagonal mounting frames in a circumferential array manner. Fixing seats distributed in a circumferential array mode are installed between the two hexagonal installation frames, visual cameras are fixedly installed on the fixing seats, the bottoms of the two hexagonal installation frames are each fixedly connected with a pair of supporting rods, and one end of each supporting rod is fixed to the top of the equipment bottom plate. A lifting bearing assembly is connected to the position, located on one side of the hexagonal mounting frame, of the top of the equipment bottom plate, a to-be-detected pipe is arranged on the lifting bearing assembly, and one end of the to-be-detected pipe is arranged in the adjustable limiting assembly in a penetrating mode. And meanwhile, the pipes with different diameters can be conveyed in a limited mode, and practicability is high.

The utility model discloses a quick assembly fixture for pipe welding, which comprises a working platform, a sliding chute is arranged on the working platform, a locking mechanism is arranged at the bottom of the sliding chute, a sliding block is connected in the sliding chute in a sliding manner, a turntable is arranged on the sliding block, a positioning mechanism is fixedly connected to the bottom of the turntable, and the positioning mechanism is fixedly connected to the working platform. A concave plate is fixedly connected to the rotating disc, opposite right-angle plates are arranged in the concave plate, and a plurality of clamping grooves are formed in the two right-angle sides of each right-angle plate. By means of the working platform, the concave plate and the right-angle plates, the pipe can be conveniently limited, meanwhile, the two-way screw rod, the movable sleeve and the supporting plate are arranged in the concave plate, the two right-angle plates can be conveniently driven to move oppositely or oppositely, the two right-angle plates are connected in a clamped mode, and the pipe is limited and fixed. And therefore, the clamp has the effects of quickly fixing the pipe and facilitating welding.

The invention belongs to the technical field of intelligent control of greenhouse equipment, and particularly relates to a flange type photoelectric limiter for a greenhouse roller shutter machine, which mainly comprises a turntable shell, an equidistant photosensitive hole flange turntable, turntable left and right concentric inner bearing sleeves and a photoelectric emission display controller assembly. Wherein the turntable shell is used for fixing the concentric inner bearing, the speed reducer of the roller shutter machine and the photoelectric emitter, and fixing and sealing the internal structure; the equidistant photosensitive hole flange turntable is used for integrating structures such as an equidistant photosensitive hole, a flange mounting hole and a concentric inner bearing sleeve through hole, and realizing periodic conversion of optical signals in a rotating process; the left-right concentric inner bearing sleeve is used for limiting and operating the turntable left-right concentric outer bearing sleeve; and the photoelectric emission display controller assembly is used for fixing and packaging the photoelectric emitter, the display controller and the like, realizing emission and receiving of optical signals and being connected with the control circuit. The rolling and unfolding processes of the roller shutter machine correspond to the real-time rotation number of the flange rotating disc, under the condition that the limiting conditions are measured in advance and stored, precise limiting of the roller shutter machine at the designated position can be automatically achieved, physical contact between a limiting stopper and a roller shutter machine rotating shaft and a heat preservation quilt roll is not needed, and the working efficiency is improved. The service life of the limiter is effectively prolonged, the limiting accuracy of the limiter is effectively improved, and the influence of the external environment can be greatly reduced through the totally-closed design.