295results about How to "Adjustable rotation angle" patented technology

The invention discloses an angle adjusting device, which is composed of a rotary support, at least one fixed support, a rotary shaft and a location pin, wherein the rotary support is pivoted with the at least one fixed support by pivots; one of the rotary support and the at least one fixed support is provided with a locking hole while the other one is provided with at least two location holes; the center distance of the locking hole and the rotary shaft is equal to the center distances of the at least two location holes and the rotary shaft; and the angle of the rotary support corresponding to the at least one fixed support is adjusted by that the location pin penetrates through the locking hole and different location holes. The invention also provides a lamp using the above angle adjusting device.

The invention discloses a remote stage lighting control system. The remote stage lighting control system comprises a lighting device, a communication module, and a remote control module. The lighting device comprises a lighting collecting module, a lighting regulating module, and a control module. The remote control module comprises a command input module, a simulation module, and a main control module. The control module is respectively connected with the lighting collecting module and the lighting regulating module. The control module is connected with the main control module by the communication module. The main control module is respectively connected with the simulation module and the command input module. The effect of the on-site stage lighting is collected by the lighting collecting module, MAX simulation software is used for simulating the effect of the stage lighting, and the lighting regulating module is used for regulating the brightness, color, flash time and rotation angle of the stage lighting. The time for regulating the lighting by a worker in the field is saved, and the effect of the stage lighting is greatly improved. The remote stage lighting control system has the characteristics of convenience, efficiency and fastness.

The invention is suitable for the technical field of video calling and provides a method and a device for controlling a camera to rotate. The method includes when receiving request information for starting video calling, starting the camera; acquiring a specified rotating angle value, and controlling the camera to rotate to the specified rotating angle value; starting video calling, and acquiring an image through the camera after rotating; judging whether the acquired image needs to be rotated or not according to the specified rotating angle value, and if not, directly displaying the acquired image; if yes, rotating the acquired image by 180 degrees, and displaying the image after rotating. By the method and the device, upside-down images can be rotated to be upright images by setting different camera rotating angles according to using habits or using needs of different users and rotating the images acquired by the camera according to the specified rotating angle values during video calling.

The invention discloses a double-cylinder hydraulic actuator. The double-cylinder hydraulic actuator comprises two hydraulic cylinder subassemblies and an actuating mechanism, wherein each hydraulic cylinder subassembly comprises a cylinder body and a piston; the actuating mechanism comprises a gear shaft and racks arranged on side surfaces of the pistons; the gear shaft penetrates in the cylinder bodies to be meshed with the racks; and the two hydraulic cylinder subassemblies are distributed on two sides of the gear shaft, so that a double-driving structure for the gear shaft is formed. The double-cylinder hydraulic actuator is characterized in that oil cavities formed in different sides of the two hydraulic cylinder subassemblies are connected with each other; and limiting screws are arranged on flanges at ends of the cylinder bodies. The double-cylinder hydraulic actuator is compact in structure, small in mounting size, large in transmission torque and low in manufacturing cost.

The invention relates to equipment capable of industrially implementing the entire dismantlement of a waste and old circuit board component. The equipment is characterized in that a heating groove and a vibrating table are arranged in parallel at the left and the righ, an overturning arm capable of rotating left and right is arranged above the heating groove and the vibrating table and a supporting frame is fixedly connected to the overturning arm in a cantilever mode; a beating pneumatic hammer is arranged above the vibrating table; a vibrating screen gaze is arranged below the vibrating table towards the discharge side; a soldering flux collector is arranged at the bottom of the vibrating frame, the dismantled component is held by the vibrating screen gaze and granular solder fluxes fall into the solder flux collector through the vibrating screen gaze; a blanking rack is a frame and provided with an elastic scalping grizzly screen, a circuit board is supported on the elastic scalping grizzly screen, and the dismantled component and solder flux fall off through the elastic scalping grizzly screen; and a blanking rotating shaft drives the blanking rack to overturn towards the blanking side. The equipment is simple and practical, can be industrially produced and has high efficiency, low energy consumption and less pollution.

The invention discloses an automatic rebar bending machine with adjustable bending angle and length. The automatic rebar bending machine comprises a frame, a working platform is fixedly arranged on anupper end of the frame, an electric telescopic rod is fixedly arranged on a first mounting block, and the first mounting block is arranged on the lower side of the frame; the end of the electric telescopic rod is fixedly provided with a straight rack, and the straight rack is slidably connected to a fixed block; a side of the straight rack is engaged with a gear, an inner circle of the gear is fixedly provided with a rotating shaft, the lower end of the rotating shaft is rotatably connected to the fixed block, and the upper end of the rotating shaft is fixedly provided with a turntable; the turntable is arranged in an inner cavity of the working platform, the center of the upper end of the rotating shaft is fixedly provided with a central shaft, and the upper end of the rotating shaft isfixedly provided with a bending shaft; and the upper end of a connecting shaft is rotatably connected to the working platform through a second bearing, a positioning shaft is fixedly arranged on one side of the upper end of the working platform, and one side of the upper end, away from the positioning shaft, of the working platform is fixedly provided with an adjusting mechanism. The automatic rebar bending machine can adjust and control the angle and the length of the bending of a rebar, the automatic rebar bending machine is convenient to use, the adjustment precision is high, and the work efficiency is improved.

The invention discloses a pneumatic actuator for an angular travel valve. The pneumatic actuator comprises an angular travel valve rod, a cylinder body, a piston and a resetting device for resetting the piston, wherein two to three chambers which are independent from one another and distributed along circumference are formed on the cylinder body, and each chamber is communicated with a gas inlet channel and a gas outlet channel which are respectively used for gas inlet and outlet; the piston is composed of a piston sleeve and two to three piston pieces, and the piston sleeve is sleeved and fixed on the valve rod through a key connecting mode; the circumferences of the piston pieces are uniformly distributed on the outer side of the piston sleeve, the quantity of the piston pieces is the same as that of the chambers, and each piston piece is positioned in the corresponding chamber and can be pushed by compressed air to rotate by 0 to 90 degrees in the chamber; and the resetting device is composed of a coil spring for resetting the piston after rotation. The pneumatic actuator provided by the invention has the beneficial effects of being simple in structure, free from impact, convenient to install and maintain and low in production cost, being capable of rotating stably at a constant speed, having a low failure rate and a long service life, and occupying small area by section.

The invention provides an anti-jitter moving object photographing and processing system comprising an unmanned aerial vehicle which is provided with a processor. The lower part of the unmanned aerial vehicle is provided with a machine frame of which the cross section is inverted U-shaped. The machine frame is provided with a supporting base of which the cross section is U-shaped. The side edge of the supporting base and the side edge of the machine frame are hinged. The hinge shaft of the supporting base and the machine frame is connected with an overturning motor. The overturning motor is fixedly installed on the machine frame. Two vertical rotating shafts are arranged on the supporting base in a cooperative way. The upper ends of the rotating shafts are provided with driven wheels. The lower ends of the rotating shafts are provided with camera frames at the lower part of the supporting base. The camera frames are fixedly provided with cameras. The supporting base is provided with a fixing base which is provided with a rotating motor. The output shaft of the rotating motor is installed on driving wheels. The driving wheels and the two driven wheels are connected in the cooperative way via the same driving belt. The camera frame is provided with horizontal fixing bases and a vertical fixing base. The cameras are fixedly installed on the horizontal fixing bases and the vertical fixing base. The horizontal fixing bases and the vertical fixing base are connected with the camera frames via springs.

The invention relates to the field of building decoration, in particular to coating spraying equipment for a civil engineering building professional decorative plates. The coating spraying equipment comprises a box body with an unclosed front end, the box body is provided with a spraying cavity and a material storage cavity, the middle part of the rear side wall of the spraying cavity is provided with an annular slide way, and the rear end of the box body is rotatably connected with a reciprocating screw rod; and the reciprocating screw rod is in threaded connection with a moving block, the moving block is slidably connected with a supporting rod in a penetrating mode, a connecting pipe is fixed to the supporting rod in a penetrating mode, and a spraying pipe is arranged at the extending-in end of the connecting pipe. By adding the spraying pipe, a uniform stirring mechanism, a drying mechanism and the like, a plate is placed on a supporting mechanism, the reciprocating screw rod rotates, a connecting pipe moves in the direction of a sliding way, the spraying pipe is driven to move around the plate, double-face spraying of the plate is achieved, the plate does not need to be manually turned over, and the labor intensity of workers is reduced; the stirring of the coating is realized through the arrangement of the uniform stirring mechanism, the coagulation of the coating is avoided, and the spraying quality is improved; and after the spraying is finished, the drying mechanism is used for baking the plate, so that the production efficiency is improved.

The invention discloses a multifunctional protection window comprising a rectangular window frame, an upper fence, a lower fence, a device box, a buzzer, a transmission device, a smoke proof curtain, a locking device and a controller. When a fire occurs, an owner can push a part of the lower fence out to form an accommodating chamber for people to stand with a telescopic device; the lower fence and the telescopic device are transferred to a lower end of a window through the transmission device to avoid the firing and smoking window; on the other hand, the window is blocked by the curtain installed inside the device box to prevent toxic gases flowing out and poisoning people. The multifunctional protection window is aimed to solve the problem that present anti-theft windows cannot serve as a refuge or isolate the toxic gas and there is no fire alarm device when an indoor fire occurs.

The invention discloses a bearing device, which comprises a fixed unit, a movable unit and an adjusting unit. The movable unit is movably connected with the fixed unit, and comprises a rotating component and a base component. The adjusting unit comprises a first inclination adjusting component, a second inclination adjusting component and a rotation adjusting component, the first inclination adjusting component and the second inclination adjusting component penetrate through the rotating component at an interval, can move parallel to a central shaft passing through the fixed unit and the movable unit and can be movably connected with the base component to drive the base component to swinging to an appropriate position with the central shaft as an axial center, and the rotation adjusting component is movably arranged on a base and the rotating component to drive the rotating component and the base component to synchronously rotate to an appropriate angle with the central shaft as an axial center. Due to the adjusting unit, fine tuning of the base component in three axial directions can be realized.

The invention discloses a low-nitrogen gas burner achieving automatic adjustment of the flame shape. A secondary air channel is formed between an inner air duct and an outer air duct, and a tertiary air channel is formed between the outer air duct and a box shell. A rotational flow disc is arranged in the secondary air channel, a primary fuel spray gun and an ignition spray gun are located in a primary air channel, secondary fuel spray guns are located in the secondary air channel, and tertiary fuel spray guns are located between the tertiary air channel and the box shell. Rotational flow blades are located outside the inner air duct, one rotating shaft corresponds to one rotational flow blade, the ends of the rotating shafts are fixed to an inner barrel of the rotational flow disc, and the rotational flow blades are fixed to the corresponding rotating shaft. Strip-shaped poking pieces are arranged on the roots of the rotational flow blades and connected with a poking disc, and an actuator is connected with the poking disc through a transmission shaft. The low-nitrogen gas burner can adjust the flame shape and the air quantity ratio according to the size of a boiler furnace.

The invention discloses a robot with an early warning function and an early warning system thereof. The robot comprises a bottom plate, wherein four corners of the bottom of the bottom plate are movably connected with supporting rods; the bottoms of the supporting rods are movably connected with universal wheels; the top of the bottom plate is fixedly connected with a box body; a vertical rod penetrates through the bottom of the box body, the top of the vertical rod penetrates through the box body and the bottom plate in sequence and extends to the bottom of the bottom plate; a movable mechanism is arranged at the bottom of the vertical rod; a camera is arranged at the top of the vertical rod; and an electric cabinet is fixedly connected to the left side of the top of the box body. The robot has the advantages that the temperature, the humidity and whether the smoke exists or not in the environment can be detected, so that whether a fire lamp emergency occurs or not can be judged, andthe alarm can be given in time; and the problems that a traditional monitoring robot can only check the environment only through image collection and cannot judge emergencies and give an alarm in time, and the use of the robot is limited can be solved.

An optical projection apparatus and assembling method thereof are disclosed. The method includes providing a precise calibration fixture, a projection lens, a display module and an optical engine. The projection lens and the optical engine and then the display module and the precise calibration fixture are assembled together. An image calibration operation is performed so that the position of the display module relative to the projection lens is adjusted through the precise calibration fixture. Thereafter, the display module and the optical engine are assembled using glue. The aforementioned apparatus and assembling method can improve the focusing characteristic of images and resolve image-tilting and image-shifting problems.

The invention relates to the technical field of building machinery and in particular to a reinforcing steel bar bending machine. The reinforcing steel bar bending machine comprises a control box, a conveying assembly, a bending assembly and a cut-off assembly. The control box comprises a controller. The conveying assembly comprises a conveying motor, a clamping reciprocating part, a clamping wheeland a feeding wheel. The conveying motor drives the feeding wheel to rotate, and the clamping reciprocating part drives the clamping wheel to move in a reciprocating manner; the bending assembly comprises a bending motor, a bending shaft and an ejector block. The bending motor drives the bending shaft to move, and the ejector block is located between the bending shaft and the conveying assembly;a bending port is formed in the ejector block; the cut-off assembly comprises a cut-off reciprocating part and a cutter, a cut-off port is formed in the ejector block, and the cut-off reciprocating part drives the cutter to move in the cut-off port; and the conveying motor, the clamping reciprocating part, the bending motor and the cut-off reciprocating part are electrically connected to a controller, separately. By arranging the control box, a reinforcing steel bar is conveyed, bended and cut-off integrally automatically.

A feeding mechanism is used to adjust the distance between a reduction side lens group and an object plane for back focus adjustment. A rotation angle adjustment mechanism capable of rotating action independent of rotating action performed in the back focus adjustment is used to adjust the rotation angle by which at least part of the reduction side lens group is rotated.

The invention discloses an adjustable industrial robot suitable for being used in a mechanical production workshop. The adjustable industrial robot comprises a first shell and a second shell, a movingdevice is arranged on the upper portion of the interior of the first shell, a first sliding block is fixedly connected to the top of a thick plate, and the outer wall of the first sliding block is connected with a groove in the top of the inner wall of the first shell in a sliding and clamping mode. A vertical plate is in clearance fit with a groove in the bottom of the thick plate, a grinding wheel is fixedly connected to the bottom of the vertical plate, first bolts are arranged on both the two sides of the vertical plate, and the outer walls of the two first bolts are in threaded connection with the lower portions of the left side and the right side of the thick plate and abut against the left side and the right side of the vertical plate. A grinding piece is rotatably connected with the vertical plate, one side of the vertical plate is provided with an electric push rod which is rotatably connected, the extending end of the electric push rod is rotatably connected with the end ofone side of the grinding piece, the rotating angle of the grinding piece can be adjusted through stretching and retracting of the electric push rod, therefore multi-angle grinding is achieved, and theoverall grinding efficiency is improved.