28results about How to "Avoid changing angles" patented technology

The utility model discloses a building construction fence, and relates to the technical field of building fences, the building construction fence comprises two fence bodies and an extended fence plate, the extended fence plate is located in the space between the two fence bodies and is in sliding connection with the two fence bodies, and the bottoms of the two fence bodies are fixedly connected with supporting seats; the telescopic fence has the advantages that when the first supporting rod rotates, due to the fact that the second mounting frame arranged at one end of the second supporting rod is fixedly connected with the output end of the telescopic rod, the telescopic rod can correspondingly extend and rotate along the first mounting frame, and the telescopic rod can rotate along the second mounting frame; the first supporting rod, the second supporting rod, the second mounting frame, the first mounting frame and the telescopic rod are matched to support the whole adjusting seat, the overall stability of the device is ensured, the telescopic rod and the first supporting rod face the building construction area, and therefore pedestrian collision can be avoided, device damage is avoided, and pedestrian safety is protected.

The invention discloses a spraying dust removal device and method for a miniature sweeper, and relates to the technical field of spraying dust removal, the spraying dust removal device comprises a sweeper body top plate and further comprises an adjusting device, a water storage tank is fixedly mounted at the top of the sweeper body top plate, water pumping equipment is fixedly mounted on the right side of the water storage tank, and a containing groove is formed in the top of the water storage tank; a placement groove is formed in the water storage tank, a rotating frame is rotatably mounted on the inner wall of the placement groove, an adjusting hole is formed in the surface of the rotating frame, a dust removal nozzle is arranged on the inner wall of the rotating frame, a water pipe is arranged between the water pumping equipment and the water storage tank, and the adjusting device comprises a placement frame, an adjusting rod, an adjusting plate, a protection groove, a T-shaped rod and a linkage rod. The rotating frame is manually rotated to rotate, the rotating frame rotates to drive the dust removal nozzle to rotate for angle adjustment, the angle change of the dust removal nozzle caused by manual mistaken touch can be effectively prevented through the T-shaped rod, and therefore it is ensured that the dust removal nozzle always faces a target area.

The invention provides a multifunctional mobile phone fan which comprises a fan body, a base and a folding support suitable for being connected with the fan body and the base, the fan body comprises a shell and a fan arranged in the shell, an air inlet end and an air outlet end are formed in the shell, the fan is suitable for driving airflow to move from the air inlet end to the air outlet end, and a light supplementing lamp is arranged at the air outlet end. The seat body comprises a fixed part and a rotating part, the fixed part is detachably assembled on the mobile phone back shell, and the rotating part is suitable for driving the fan body to rotate at least 90 degrees relative to the fixed part through the folding support. In the unfolded state, the air outlet end shell is overturned to face the front face of the mobile phone, and the fan and the light supplementing lamp can work independently. And in the folding state, the air inlet end can be overturned to face the seat body. Functions of a fan and a light supplementing lamp are integrated, and a user can adjust the angle of the fan body relative to a mobile phone according to needs through the design of the rotating part of the seat body and the folding support.

The utility model relates to the technical field of medical equipment, and provides a uterine fibroid ultrasonic transducer deflection mechanism and a uterine fibroid steam ablation device. The utility model provides a uterine fibroid ultrasonic transducer deflection mechanism. The uterine fibroid ultrasonic transducer deflection mechanism comprises an ultrasonic transducer and a stepless regulation structure, the stepless adjusting structure is connected with the ultrasonic transducer, and in the unlocking state, the stepless adjusting structure is used for adjusting the angle of the ultrasonic transducer in a stepless mode. The utility model provides a hysteromyoma ultrasonic transducer deflection mechanism and a hysteromyoma steam ablation device. The hysteromyoma ultrasonic transducer deflection mechanism and the hysteromyoma steam ablation device are used for solving the technical problems that in the prior art, angle adjustment of an ultrasonic transducer is limited, and an angle adjusting mechanism cannot prevent mistaken touch. In the unlocking state, the stepless adjusting structure can achieve continuous and free adjustment of the angle of the ultrasonic transducer, so that diversified use requirements are met, and particularly, the high requirement for ultrasonic guide angle change is met in precise medical operation such as hysteromyoma ablation.

The utility model discloses a water wave lamp convenient to adjust, and relates to the technical field of lamps. The top surface of the base is rotatably connected with a movable table, the two sides of the movable table are both provided with suction cups, the top surface of the movable table is fixedly connected with a concave seat, a concave opening of the concave seat is rotatably connected with a rotating shaft, and the middle of the side wall of the rotating shaft is fixedly connected with a worm wheel; movable plates are fixedly connected to the positions, on the two sides of the worm gear, of the side wall of the rotating shaft, a frame body is fixedly connected to the top faces of the movable plates, a lamp body is fixedly connected to the face, back to the movable plates, of the frame body, a motor is arranged in a concave opening of the concave base, and the output shaft end of the motor is fixedly connected with a worm. According to the LED lamp, the orientation of the lamp body can be conveniently adjusted, the adjusted movable table can be limited through the suction cup, the situation that the adjusted movable table rotates again is avoided, stability is improved, and the actual operation requirement can be met when the angle of the lamp body is adjusted.

The invention provides a self-locking double-angle rotatable solar panel device, which is characterized in that an azimuth angle rotating shaft of an azimuth angle transmission system is vertically arranged, and an azimuth angle driving mechanism is in driving connection with the azimuth angle rotating shaft and is provided with a self-locking mechanism; the center of the bottom of an upper sealing cabinet of the elevation angle transmission system is fixedly connected with the upper end of an azimuth angle rotating shaft, the elevation angle rotating shaft is transversely arranged in the upper sealing cabinet, two ends of the elevation angle rotating shaft extend outwards, and an elevation angle driving mechanism is in driving connection with the elevation angle rotating shaft and is provided with another self-locking mechanism; the solar panel is fixedly connected with the elevating angle rotating shaft; the angle control system controls the azimuth angle transmission system to adjust the azimuth angle of the solar panel and controls the elevation angle transmission system to adjust the elevation angle of the solar panel. According to the invention, the azimuth angle and the elevation angle can be adjusted in all directions, position self-locking after adjustment is realized, the adjustment range and the stability are improved, the rainwater and sand resistance is improved through the closed design of the adjustment mechanism, and the device is suitable for the field environment.

The utility model discloses a drill bit processing open blade device, the utility model relates to drill bit processing technical field. This drill bit processing open blade device includes the base, the top of base is provided with the open blade mechanism, polishes the component, sets up at the top of base, is used for polishing to the drill bit, adjusting component, including the movable frame movable mounting in the top of base, the rear side fixed mounting of movable frame has the adjusting cylinder, the inside fixed mounting of movable frame has the step motor, when the connecting block rotates with transmission frame, the limit rod is affected by radial force, the inside end gathers to transmission frame center axis, finally with the end round structure and tightly the drill bit outer circumferential surface, realizes clamping, and the screw rotation transmission has the continuity of adjustable, when the driving motor rotates different number of turns, the screw drives the transmission block to move different distance, makes transmission frame rotation angle change, and then changes the gathering degree of limit rod, to adapt to the drill bit of different diameter, to expand the scope of application.

The present application relates to the technical fields of compressor piston rod maintenance, and provides a reciprocating compressor piston rod protection device, which comprises a base, the left side of the base is connected with a bottom plate, the upper part of the bottom plate is provided with an oil tank, an oil pipe connected to the gear oil pump is output from the oil tank, an oil pipe connected to the electromagnetic reversing valve is output from the gear oil pump, an oil pipe connected to the throttle valve is output from the electromagnetic reversing valve, an oil pipe connected to the hydraulic control check valve is output from the throttle valve, an oil pipe connected to the balance valve is output from the hydraulic control check valve, and an oil pipe connected to the lifting oil cylinder is output from the balance valve. The piston rod is placed horizontally between the concave bracket and the upper and lower flaps, and the piston rod in the upper and lower flaps is converted from the horizontal state to the vertical state through the lifting action of the lifting oil cylinder, so that the deflection of the piston rod is prevented from changing, the probability of failure of the piston rod during operation is reduced, and the problem of difficult hoisting when the piston rod is vertically placed is solved.

The utility model relates to the technical field of auxiliary devices, and discloses a mouse blood vessel separation auxiliary device which comprises a base, a connecting rod is fixedly connected to the middle of the upper surface of the base, a storage groove is formed in the connecting rod, and a servo motor is fixedly connected to the bottom face of the storage groove. When the mouse blood vessel separation auxiliary device is used, a first servo motor is started to drive a threaded rod to rotate and drive a threaded sleeve block to move at the same time, sliding rods on the two sides are driven to slide in limiting grooves through movement of the threaded sleeve block, and then the threaded sleeve block is limited to move up and down; the height of the lamp is adjusted according to the position of an operating table, it can be ensured that light can accurately irradiate an area needing to be operated, a clearer and brighter illumination effect can be provided, researchers are helped to better observe and operate a target area, and the operation efficiency is improved. And the operation precision and accuracy are improved.

The invention relates to the technical field of monitoring equipment, in particular to a multi-scene application handheld inspection device, which comprises a shooting assembly, a camera assembly, a power supply assembly, a power supply assembly and a power supply assembly, and is characterized in that the shooting assembly comprises a hollow holding rod and a posture adjusting assembly mounted at the top of the hollow holding rod, and a camera body is detachably mounted at the top of the posture adjusting assembly; the posture adjusting assembly comprises a first hollow adjusting rod, a second hollow adjusting rod and two rotating mechanisms, and the two ends of the first hollow adjusting rod are movably connected with the hollow holding rod and the second hollow adjusting rod through the rotating mechanisms respectively so as to change the shooting posture of the camera body. The camera has the advantages that the angle of the camera body can be changed by adjusting the posture adjusting assembly, a user can better observe a target area, the angle of the camera can be adjusted through simple manual operation, complex electronic control is not needed, and the user experience is improved. The device is especially suitable for equipment inspection work in special environments such as oil pump rooms and hydrogen production stations.

The invention discloses a stretch bending die and a design method thereof, and relates to the technical field of profile stretch bending. The stretch bending die comprises an arc-shaped steel plate and an inner core, and the arc-shaped steel plate is provided with an outer arc surface with a preset curvature radius; the inner core is provided with an inner arc side with the same preset curvature radius as the outer arc face and an outer arc side opposite to the inner arc side, the inner arc side is fixed to the outer arc face, and the outer arc side is used for bending a profile to be machined. The design method comprises the steps of manufacturing the arc-shaped steel plate, manufacturing the inner core and welding the inner core on the outer arc surface of the arc-shaped steel plate. The stretch bending die has the advantages of being simple in structure and low in manufacturing cost, and polyurethane filler is omitted. On one hand, the angle change of the sectional material caused by insufficient rigidity of polyurethane is avoided, so that the forming precision of the sectional material is improved; and on the other hand, the preparation work of polyurethane filling is omitted, the preparation time before forming is shortened, and then the forming efficiency is improved. The method is simple and convenient to operate, easy to implement and low in manufacturing cost, and the production cost can be effectively reduced.

The utility model relates to the technical field of feeding devices, and discloses a leakage-proof powder slurry feeding device which comprises a shell, a motor is fixedly connected to the bottom wall of an inner cavity of the shell, a spiral conveyor is fixedly connected to the output end of the motor, and a material conveying shell located on the outer side of the spiral conveyor is fixedly connected to the interior of the shell. The device comprises a shell, a feeding shell is fixedly connected to the top of the shell, a threaded rod is fixedly connected to the interior of the feeding shell, a material conveying cavity is formed in the feeding shell, a push block with the top located in the material conveying cavity is in threaded connection to the outer side of the threaded rod, and two supporting blocks are fixedly connected to the top of the feeding shell. The leakage-proof powder slurry feeding device has the advantages of leakage prevention and the like, and solves the problems that the powder slurry is colloidal, has certain viscosity and is easily adsorbed on the existing lifting equipment or the powder slurry is thrown out due to inertia of a feeding funnel, so that the materials are wasted, and even the normal operation of the equipment is influenced.

The invention relates to the technical field of satellite signal receivers, and particularly discloses a data communication signal receiving device and method.The device comprises a base and an adjusting mechanism, and the adjusting mechanism is arranged in an inner cavity of the base; the number of the first motor protection covers is two, and the two first motor protection covers are arranged at the upper end and the lower end of the rear side of the base correspondingly. The bottom end of the steering rod is arranged at the top end of the adjusting mechanism; the rear side of the U-shaped bracket fixedly sleeves the top end of the outer wall of the steering rod; the switching mechanism is arranged in an inner cavity of the U-shaped support. When the device is used, the tuner at the focal point of the parabolic reflecting surface can be adjusted according to watched television programs, so that the receiving strength of satellite signals is improved, the experience feeling of a user is improved, meanwhile, the device can automatically adjust the angle of the parabolic reflecting surface, the requirement of manual adjustment is reduced, waste of labor resources is reduced, and the working efficiency is improved. And the working efficiency is improved.

The utility model relates to the technical field of power distribution cabinet locking, in particular to a pull rope handle mechanical locking device, which comprises a pull rope steel cable, a driving lever, a lower connecting rod, a transition connecting plate, an upper connecting rod and an operating lever, the upper end and the lower end of the transition connecting plate are respectively connected with the upper connecting rod and the pull rope steel cable, and the lower connecting rod is connected with the driving lever. The operating rod simultaneously controls the lower connecting rod and the upper connecting rod to rotate downwards and upwards in a gear mode to drive the pull rope steel cable to move upwards and the deflector rod to move downwards, the right side of the deflector rod is provided with a warped plate rotating with the rotating shaft as the circle center, the left side of the warped plate is provided with a limiting pin matched with the deflector rod, and the deflector rod rotates to drive the warped plate to rotate with the rotating shaft as the original point. The lifting lever has the advantages that the lifting lever is short, so that the condition that the lifting lever droops due to gravity and is unreliable after being inserted into a bolt on a movable door is avoided; secondly, the lock rod is arranged, so that the condition of drooping due to the gravity of the lock rod is avoided; and thirdly, a gap is formed between the deflector rod and the warped plate, so that tiny angle change at the handle of the pull rope and larger position change at the top end of the bolt are avoided.

The utility model provides an angle-variable wire harness mounting support which comprises a mounting disc, an annular groove is formed in the top end of the mounting disc, two sets of mounting blocks are connected in the annular groove in a sliding mode, wire harness clamps are rotatably connected to the top ends of the two sets of mounting blocks, and multiple sets of locking grooves are formed in the inner wall of the annular groove at equal angles. And locking mechanisms matched with the locking grooves are mounted in the two groups of mounting blocks. Through the arrangement of the annular groove, the rotation of the two groups of mounting blocks can be realized, so that the angle adjustment is realized, through the matched use of the locking mechanism and the locking grooves with the same angle, the angle can be accurately adjusted, the stability of the structure is effectively improved, and the problem of angle change in long-term use can be avoided; therefore, the problem that the wire harness touches other objects to be abraded and even broken can be prevented, and the wire harness can be effectively protected.

The seed classificator for corn seed screening comprises a fixing frame, an electric telescopic rod is fixedly connected to the top of the left side of the fixing frame, a connecting rod is fixedly connected to the top of the electric telescopic rod, a vertical rod is fixedly connected to the bottom of the connecting rod, and a toothed plate is fixedly connected to the front face of the vertical rod. A gear is meshed with the front face of the toothed plate, a rotating shaft is fixedly connected to an inner cavity of the gear, a shell is fixedly connected to one side of the rotating shaft, and a driving motor is fixedly connected to the position, located at the top of the middle shaft, of the right side of the shell. By arranging the driving motor, the driving shaft, the material guide plate and the partition plate, slow discharging is facilitated, materials are prevented from being stacked on the top of the screen plate, the screen plate is conveniently driven to vibrate by arranging the vibration motor and the inclined plate, the screen plate is conveniently driven to shake by arranging the electric telescopic rod, the connecting rod, the vertical rod, the toothed plate, the gear and the rotating shaft, and therefore screening is efficient.

The utility model discloses a kind of aluminum pipe bevel cutout burnishing device, belong to aluminum pipe processing technical field, and its technical scheme main points include bottom plate and aluminum pipe ontology, the top of the bottom plate is provided with burnishing mechanism, the left side of the burnishing mechanism is provided with clamping mechanism, the top of the bottom plate is movably provided with slide, the top of the slide is provided with adjusting rod;The burnishing mechanism includes burnishing disc, frequency conversion motor, adjusting plate, pivot and adjusting block, the bottom of the burnishing disc is fixedly connected with the top of frequency conversion motor output shaft, the bottom of the frequency conversion motor is fixedly connected with the top of adjusting plate, the adjusting plate is rotatably connected in the inside of pivot, solve the current part to the burnishing method of aluminum pipe bevel cutout, artificial hand-held aluminum pipe burnishing, inconvenient to keep aluminum pipe bevel cutout angle and polishing equipment stable contact, prone to cause the change of aluminum pipe bevel cutout angle after burnishing, affect the problem of subsequent use.

The present invention discloses a connection structure between a propeller blade and a pitch-changing device, and specifically relates to the technical field of propellers, including a propeller shaft, wherein the upper end of the propeller shaft is fixedly connected to a propeller hub, and the upper part of the outer surface of the propeller shaft is equidistantly annularly distributed and fixedly connected to cylinders, and the inner surfaces of the three cylinders are all rotatably connected to round rods, and the ends of the three round rods that are away from each other are all fixedly connected to blades by bolts, and the outer surface of the propeller shaft is provided with an angle adjustment component, and the inner surfaces of the three cylinders are all provided with sealing components. The connection structure between a propeller blade and a pitch-changing device described in the present invention is provided with an angle adjustment component, so that each blade on the propeller shaft can be adjusted in angle during rotation, and multiple blades can also be uniformly adjusted according to actual needs, so as to meet the use requirements of helicopters in different flight scenarios, improve the flight stability and maneuverability of the helicopter, and effectively improve the flight safety and fault tolerance of the helicopter.

The utility model relates to the technical field of carton sealing machines, and discloses a carton sealing machine convenient to operate, which comprises a machine body and a machine case, the machine case is arranged at the top end of the machine body, supporting components are arranged on two sides of the machine case, two bidirectional screw rods are rotatably connected in the machine case, and the two bidirectional screw rods are connected with the machine body. A worm gear is fixedly arranged on one side of the two-way screw, and the worm gear is driven by a driving assembly to rotate in the case; two worm wheels can be driven to rotate through a driving assembly, then two two-way screws can synchronously rotate, the two-way screws can adjust the position of a moving assembly and can adjust the angle of connecting rods, the connecting rods can adjust the height of a machine head according to the height of a carton through a lifting plate, and the four connecting rods can evenly support the machine head; and the height of the machine head does not need to be manually adjusted.

An installation cylinder is connected to the upper portion of a base in a sliding mode, a horizontal adjusting assembly is arranged in a lower installation groove of the installation cylinder, plug pin assemblies are oppositely arranged on the two sides of an upper installation groove, an installation rod is arranged in the upper installation groove, and the installation rod is detachably connected with the installation cylinder through the plug pin assemblies. A connecting block is hinged to the upper end of the mounting rod through a first rotating shaft, a vertical adjusting assembly is arranged on the first rotating shaft, a locking assembly is arranged below the vertical adjusting assembly, and a reinforced display body is arranged at the other end of the connecting block; according to the utility model, the base is fixed on the fixed object in advance, and then the plug pin assembly in the mounting cylinder is in inserted connection with the mounting rod, so that the quick mounting and dismounting of the reinforced display body are realized; through the arrangement of the horizontal adjusting assembly and the vertical adjusting assembly, a user can conveniently adjust according to needs; and through the arrangement of the locking assembly, the vertical adjusting assembly can be locked, and angle change after the reinforced display body is adjusted is prevented.

The utility model relates to the technical field of displayer supports, in particular to a computer displayer support which comprises a positioning assembly and a stand column, and the stand column is fixedly connected to the top of the positioning assembly. The casing pipe wraps the outer wall of the stand column, a first hinge rod is hinged to the outer portion of the casing pipe, and a second hinge rod is hinged to the other end of the casing pipe; and the adjusting assembly comprises a bearing plate and a bearing seat, the bearing seat is hinged to the other end of the second hinge rod, a rotating shaft is rotationally connected to the interior of the bearing seat, a worm gear is fixedly connected to the outer wall of the rotating shaft, and a worm is meshed with the exterior of the worm gear. Through the arrangement of the adjusting assembly, angle adjustment of the bearing plate can be achieved through transmission of the worm gear and the worm, meanwhile, through the self-locking performance of transmission of the bearing plate, stability of angle adjustment of the bearing plate can be guaranteed, and the situation that the angle changes due to the gravity of the bearing plate when the bearing plate is used is avoided.

This utility model relates to the field of machining technology, and in particular to a crankshaft lathe faceplate with a support and locking device. The faceplate body is equipped with a support device, and a ring is provided around the circumference of the faceplate body. At least one locking device is provided around the faceplate body, comprising two opposing clamping members for locking the ring. Each clamping member is equipped with a pin as a fulcrum and can swing around it. Each clamping member has a piston at its tail as a drive for its swing. The pistons of the two clamping members are arranged oppositely, with opposite pushing directions. In this embodiment of the utility model, a ring is provided at the edge of the faceplate body, and a locking device is provided around the faceplate body, comprising two clamping members that can lock the ring. Each clamping member is equipped with a piston, and the piston's pushing action can quickly lock the ring, thereby locking the faceplate. This prevents changes in the angle of force on the workpiece during crankshaft journal machining, thus ensuring crankshaft machining accuracy.

The unmanned aerial vehicle arm folding mechanism comprises a vehicle body, at least three vehicle arms, connecting pieces, telescopic pieces and power pieces, the vehicle arms are circumferentially arranged on the outer ring of the vehicle body, the connecting pieces are arranged between the vehicle arms and the vehicle body and drive the vehicle arms to rotate, the telescopic pieces are arranged on the vehicle arms in a telescopic mode, and the power pieces are fixedly arranged on the telescopic pieces. The fuselage is driven to fly. According to the unmanned aerial vehicle arm folding mechanism, through matched arrangement of the connecting pieces and the vehicle arms, it is ensured that the vehicle arms can be folded, and the diameter of the unmanned aerial vehicle in the width direction is reduced, through matched arrangement of the telescopic pieces and the vehicle arms, it is ensured that the vehicle arms can stretch out and draw back, and the diameter of the unmanned aerial vehicle in the length direction is reduced; according to the unmanned aerial vehicle, the size of the whole unmanned aerial vehicle can be reduced, three fan blades and a screw rod are arranged in a matched mode, it is ensured that the fan blades can be folded, it is ensured that the fan blades can coincide with the vehicle arms, and the unmanned aerial vehicle becomes small after being folded.

The utility model relates to the technical field of shaft structures, and discloses an aviation launcher high-stability rotating shaft structure which comprises a base, two sets of supporting plates are arranged on the upper side of the base, rotating shafts are connected to the opposite sides of the two sets of supporting plates, a first motor is installed on the upper side of the base, and the transmission end of the first motor is connected with a rotating rod. A speed reducer is arranged on the left side of the first motor, the rotating rod is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the rotating shaft, and a limiting device is arranged on the left side of the first motor. And therefore, the angle change of other workpieces on the outer side of the rotating shaft is avoided, the use stability and efficiency of the device are improved, the practicability of the device is improved, and the stability and accuracy of a model airplane launching experiment are reduced.

The invention relates to the technical field of welding, in particular to a brake caliper piston pressing device and a pressing method.The brake caliper piston pressing device comprises a lower die plate, an upper die plate and a telescopic piece, the upper die plate is provided with pressing assemblies and welding assemblies, and the pressing assemblies and the welding assemblies are arranged in a one-to-one correspondence and adjacent mode; the lower edge of the pressing assembly is lower than the lower edge of the welding assembly so as to abut against a workpiece in advance. The pressing assembly comprises a fixing plate and a pressing plate which are arranged at intervals, and an elastic piece is connected between the fixing plate and the pressing plate. A hot riveting rod is arranged at the output end of the welding assembly, and a hot riveting head is eccentrically connected to the side, facing the bearing clamping fixture, of the hot riveting rod. The lower edge of the pressing assembly is lower than the lower edge of the welding assembly, a workpiece can be pressed and fixed before the welding assembly welds the workpiece, and therefore the stability of the welding assembly when the welding assembly welds the workpiece is guaranteed; the hot riveting head on the hot riveting rod is eccentrically arranged, so that contact between the hot riveting rod and the inner wall of the product can be avoided, and the product is prevented from being scratched.

The utility model relates to an auxiliary positioning device for a plate bending machine, which belongs to the field of auxiliary tools for municipal engineering operation and comprises a supporting rod, a rotating shaft is fixed on the supporting rod, the rotating shaft is perpendicular to the supporting rod, and the rotating shaft is a roll shaft; one end of the rotating shaft is connected with the supporting rod, the other end of the rotating shaft is connected with a positioning frame, the rotating shaft can move up and down on the supporting rod, the bottom of the supporting rod is fixedly connected to a frame body of the plate rolling machine, the plate rolling machine is a three-roller symmetrical plate rolling machine, and a longitudinal supporting point of a rolled plate is provided through a rotating roller shaft. And through supporting of the L-shaped rod, the change of the angle between the roller shaft and the supporting rod during board walking is avoided. The problem of deflection of plate rolling and walking is solved, the labor intensity of workers is relieved, meanwhile, multiple plates can be rolled by one person at the same time, the machining quality can be guaranteed, and the working efficiency and the operation safety degree are improved.

The utility model discloses a window frame profile blowing cleaning mechanism and a window frame profile production line, and belongs to the technical field of window frame profile machining. According to the technical scheme, firstly, an air blowing cleaning mechanism comprises a mounting frame, a moving assembly is arranged on the mounting frame, an air blowing assembly is arranged on the moving frame and used for blowing air to window frame profiles to be cleaned, and secondly, the window frame profile production line sequentially comprises a profile machining mechanism, a conveying belt and a tower library in the profile conveying direction. The device further comprises an air blowing cleaning mechanism, by arranging a moving assembly and an air blowing assembly, the position of the air blowing assembly can be adjusted according to to-be-cleaned window frame profiles with different lengths, manual cleaning of the to-be-cleaned window frame profiles is avoided, manual labor and cleaning time are saved, and the cleaning efficiency is improved; by means of the blowing cleaning mechanism arranged in the production line, window frame profiles to be cleaned produced at the profile machining mechanism can be conveyed to the blowing cleaning mechanism through the conveying belt to be self-cleaned.