71results about How to "Convenient rotation angle" patented technology

A walker apparatus comprised of a first front support leg assembly, a second front support leg assembly, a first sliding joint, a second sliding joint, a central hinge joint, a first rear support leg assembly, a second rear support leg assembly, a first support member, a second support member, a front leg collapsing assembly, and a rear leg collapsing assembly. The walker apparatus is adapted to be is collapsed to a compact shape in a continuous collapsing motion.

An X-ray imaging apparatus is provided having advantages of both C-shaped, G-shaped, and ring-shaped arm configurations. The device consists of a gantry that supports X-ray imaging machinery. The gantry is formed to allow two bi-planar X-rays to be taken simultaneously or without movement of the equipment and / or patient. The gantry is adjustable to change angles of the X-ray imaging machinery. Further, in some embodiments, the X-ray receptor portion of the X-ray imaging machinery may be positioned on retractable and extendable arms, allowing the apparatus to have a larger access opening when not in operation, but to still provide bi-planar X-ray ability when in operation.

A method and device for controlling a medical imaging apparatus are disclosed herein. The device for controlling a medical imaging apparatus includes a processor. The processor controls a medical imaging apparatus to take a plurality of images including a region of interest of a subject, while a C-arm of the medical imaging apparatus rotates from a first rotation angle to a second rotation angle. The processor detects the rotation angle of the C-arm of the medical imaging apparatus corresponding to each of the taken images. The processor stores the detected rotation angle in a database, along with the taken image. The processor extracts a rotation angle, stored along with an image selected as an optimal image from the taken images, as an optimal rotation angle.

The present invention provides an adaptive brush device, including a fixed unit, an adaptive adjustment unit, and a brushing unit. The fixed unit includes a cylinder and slide.The cylinder can drive the sliding platform to move up and down; the adaptive adjustment unit consists of the slider, slider and baffle on the fixed seat, which plays the connection between connecting the fixed unit and the brushing unit;The sliding rail is freely moved; the brushing unit includes the glue brush mechanism and the holding seat, which is set on the slider of the adaptive unit of the adaptive unit.In the paint glue.The adaptive brush device of the present invention can have no time limit for cycle, which greatly saves processing manpower and time costs. In addition, the invention has an adaptive structure and can complete the task of sticking steel sheets more efficiently and accurately.

A flexor (1) for use in a ski binding (2) or mounting plate (3) for a cross country or touring ski (4) is described. This comprises: an extending flexor arm (10) and a holding and positioning portion (20), wherein the extending flexor arm (10) is connectable to, or integral with, the holding and positioning portion (20) such that the extending flexor arm (10) can rotate and / or displace with respect to the holding and positioning portion (20) around the point of connection (21) between the two. The extending flexor arm (10) is formed such that the amount of displacement of the extending flexor arm (10) as a result of an applied force (N) acting thereon follows a substantially linear relationship (30), up to a first desired amount of displacement (31). For a displacement of the extending flexor arm (10) greater than the first desired amount of displacement (31), the amount of displacement of the extending flexor arm (10) as a result of an applied force (N) acting thereon follows an approximately exponential relationship (32).

In cube-corner retroreflective sheeting 3, cube-corner retroreflective elements in at least two mutually adjacent regions A and B rotate with each other around an axis perpendicular to the sheeting, in which cube-corner retroreflective elements 11 and 12 not in contact with boundaries between the regions A and B are cube-corner retroreflective elements having a hexagonal shape, and cube-corner retroreflective elements 11s, 12s, 11t and 12t in contact with the boundaries between the regions A and B are cube-corner retroreflective elements having a shape obtained by cutting parts of one or two reflective lateral surfaces of the cube-corner retroreflective element having a hexagonal shape where the partly cut reflective lateral surfaces are in contact with the boundaries.

The invention relates to the technical field of electrocommunication, and concretely relates to an intelligent guiding system for monitoring a human body position and a control method. According to the intelligent guiding system for monitoring the human body position and the control method, a human body skeleton posture is preset, and the human body skeleton posture is acquired through a motion sensing device module, so that a guiding device can move according to the human body skeleton posture, and can move to a direction of a human body so as to continuously trace the human body position orstop; when multiple persons exits within the range, one person in the center is adopted as a monitored object, and other human bodies can be ignored; and a rotation angle of a screen can be adjusted through an acquired human height, so that the screen arrives at an optimal use position. The intelligent guiding system provided by the invention integrates the advantages of a human body induction device with the characteristics of high sensitivity, large detection range and high shooting module precision, and also combines a moving function of a robot at the same time, so that the robot system has a high-accuracy human body detecting and tracking capacity.

The invention relates to a determination method for an interference film hole machining angle, and belongs to the technical field of aero-engine turbine blade machining. The determination method comprises the following steps that, a machine tool coordinate system (x, y, z) is established according to a position axis of a machine tool, a horizontal rotation axis of the machine tool serves as a B axis, and a vertical rotation axis of the machine tool serves as a C axis; according to the machine tool coordinate system (x, y, z), an initial coordinate of the interference air film hole and an initial coordinate of a bending guider are determined; and according to the initial coordinate of the interference film hole and the initial coordinate of the bending guider, when the B axis and the C axis are rotated to drive the interference film hole to rotate towards the bending guider, the rotation angle of the B axis and the rotation angle of the C axis are the machining angle of the interference film hole. According to the determination method, on the premise that the design performance of a turbine blade air cooling system is not reduced, shielding of a blade structure is effectively avoided, electric spark machining of the interference film hole is achieved, and therefore the design performance of an advanced aero-engine is met.

An X-ray imaging apparatus is provided having advantages of both C-shaped, G-shaped, and ring-shaped arm configurations. The device consists of a gantry that supports X-ray imaging machinery. The gantry is formed to allow two bi-planar X-rays to be taken simultaneously or without movement of the equipment and / or patient. The gantry is adjustable to change angles of the X-ray imaging machinery. Further, in some embodiments, the X-ray receptor portion of the X-ray imaging machinery may be positioned on retractable and extendable arms, allowing the apparatus to have a larger access opening when not in operation, but to still provide bi-planar X-ray ability when in operation.

The invention discloses a sewing machine, a sewing auxiliary device and a sewing method. The sewing auxiliary device is installed on an existing sewing machine, and the sewing machine is controlled through a controller to carry out automatic sewing so as to finish sewing a plurality of sewing line segments which are continuous, different in direction, and same or different in length. The sewing auxiliary device comprises the controller, a rotary mechanism, a stirring sheet and a pressing driving device for driving the stirring sheet to perpendicularly move. The rotary mechanism and the pressing driving device are electrically connected with the controller. The rotation, in the horizontal direction, of the stirring sheet is fixedly controlled by the rotary mechanism and the stirring sheet.

The invention relates to a sloping plate device for removing suspended particles in a rainwater storage tank and application thereof. The sloping plate device comprises a measuring unit, a sloping plate, a power unit and an automatic control unit, wherein the measuring unit is arranged in the rainwater storage tank and used for measuring the average particle size, the volume concentration and the mass concentration of the suspended particles in initial rainwater stored in the rainwater storage tank; the sloping plate is arranged in the rainwater storage tank, can rotate around the horizontal axis to adjust the inclination angle and is used for improving the sedimentation and removal efficiency of the suspended particles in the initial rainwater; the power unit is connected with the sloping plate and used for driving the sloping plate to rotate; the automatic control unit is connected with the power unit and the measuring unit and used for adjusting the inclination angle of the sloping plate through the power unit according to the measuring result of the measuring unit. Compared with the prior art, the sloping plate device is compact in structure and capable of effectively removing the suspended particles in the initial rainwater or mixed waste water, and the maximum removal rate of the suspended particles and chemical oxygen demand both exceed 80 percent.

The invention belongs to the technical field of robot polishing, and particularly relates to a passive compliant robot polishing and grinding device based on visual perception. The passive compliant robot polishing and grinding device comprises a base body and a system control module mounted on the surface of the base body, the system control module mainly comprises a control panel, and a height adjusting module is mounted on the surface of the base body through bolts. A connecting transverse rod is installed at the top end of the height adjusting module and is parallel to the base body, an infrared recognition module and a polishing and grinding module are installed on the bottom face of the connecting transverse rod, a rotating module is installed on the surface of the base body, and a clamping module is connected to the top end of the rotating module. A first motor, a rotating rod, a second motor and a gear are installed in a rotating shell, rotation and angle deflection of a placing table are facilitated, a hand wheel, a clamping plate, a two-way lead screw, a jacking spring and a clamping rubber mat are installed in the placing table, a robot can be fixed conveniently, and thedanger coefficient that a worker holds the robot by hand is reduced.

The purpose of the present invention is to provide a fan head angle adjustment mechanism, which can easily adjust the pitch angle and rotation angle of the fan head, and reliably fix the fan head at a predetermined pitch angle. The fan head angle adjustment mechanism of the present invention only makes slight changes on the traditional clamping piece and inserting piece, so that the pitch angle of the fan head can be better fixed, and the pitch angle of the fan head can be adjusted very conveniently The present invention also detects the rotation angle of the fan head in real time, and converts the rotation angle into a voltage value and compares it with a predetermined target voltage value, so that when the fan head rotates to a limit angle, the reverse rotation of the fan head is controlled by a forward and reverse switch , to achieve the purpose of reciprocating rotation of the fan head within a predetermined angle range; in summary, the present invention simultaneously realizes the adjustment of the pitch angle and rotation angle of the fan head, and has good practicability.

A device for holding and rotating a plate shaped article comprises a group of fixed pins and a group of pivot pins arranged along the circumference of the movable base in a manner that each pivot pin opposites a fixed pin, and also comprises magnetic bodies positioned within and outside two opposing sides of the pivot pins. Each of the pivot pins can be driven to rotate around its pivot back and forth under the magnetic repulsive force between two adjacent magnetic bodies, so as to release or clamp the plate shaped article. The present invention has advantages of simple structure, convenient and reliable action control, controllable clamping force and good compatibility with various processing chambers.

In cube-corner retroreflective sheeting 3, cube-corner retroreflective elements in at least two mutually adjacent regions A and B rotate with each other around an axis perpendicular to the sheeting, in which cube-corner retroreflective elements 11 and 12 not in contact with boundaries between the regions A and B are cube-corner retroreflective elements having a hexagonal shape, and cube-corner retroreflective elements 11s, 12s, 11t and 12t in contact with the boundaries between the regions A and B are cube-corner retroreflective elements having a shape obtained by cutting parts of one or two reflective lateral surfaces of the cube-corner retroreflective element having a hexagonal shape where the partly cut reflective lateral surfaces are in contact with the boundaries.

The invention discloses a multifunctional display screen support. The multifunctional display screen support comprises an installation frame, supporting rods and extensible and retractable rods. The supporting rods are located on one side in the installation frame. The extensible and retractable rods are located on the outer surfaces of one sides of the upper ends of the supporting rods. The outersurface of the upper end of the installation frame is provided with a wire groove. The outer surfaces of one sides of the lower ends of the supporting rods are provided with inclined struts, and theouter surfaces of the other sides of the lower ends of the supporting rods are fixedly provided with cross rods. The multifunctional display screen support is provided with the extensible and retractable rods, a fan and a supporting groove, the inclination angle of a display screen can be adjusted, the rotating angle range is wide, complete functions are achieved, the optimal watching angle can beconveniently achieved, light reflection and other disadvantages are effectively avoided, heat dissipation can be conducted on the display screen, the temperature of the display screen is effectivelycontrolled, the effect of protecting the display screen is achieved, the display screen can be simply installed, mounting and demounting are facilitated, the display screen is prevented from droppingout, certain practicality is achieved, and better application prospects are achieved.

The invention relates to a hydraulic-magnetic driving borehole cleaning tool magnetic torque test apparatus and test method. The hydraulic-magnetic driving borehole cleaning tool magnetic torque testapparatus comprises a magnetic driving assembly, a brake assembly, a pressure measuring assembly, a front supporting plate, a front supporting plate, a rear supporting plate and an experiment table, wherein the magnetic driving assembly is installed between the front supporting plate and the rear supporting plate by virtue of a rotating shaft; the magnetic driving assembly comprises an inner magnetic shaft and an outer magnetic shaft, the two magnetic shafts are coaxially arranged, the inner magnetic shaft is integrally formed by a rotating cylinder and a rotating shaft, the outer wall of therotating cylinder is uniformly provided with outer bar-shaped key slots along the axial direction, an inner permanent magnet is embedded into the outer bar-shaped key slot, and two ends of the rotating cylinder are respectively provided with an inner magnet protection sleeve; the front end of the rotating shaft is provided with a rotating round bar; and the inner wall of the outer magnetic shaft is uniformly provided with inner bar-shaped key slots along the axial direction, the outer permanent is embedded into the inner bar-shaped key slot, and two ends of the outer permanent are respectivelyprovided with an outer magnet protection sleeve. By adopting the hydraulic-magnetic driving borehole cleaning tool magnetic torque test apparatus and test method, the torque test method is simplified, and the torque measuring precision can be improved.

The invention relates to a rotating mechanism for a display stand, which belongs to the technical field of rotating design, and includes a fixed sleeve arranged horizontally, a transmission shaft that slides from left to right is installed horizontally in the fixed sleeve, and a gear is installed on the transmission shaft. The gear is The outer gear is provided with an inner ring gear meshed with the gear at the right end of the fixed sleeve, a button is installed on the transmission shaft on the left side of the fixed sleeve, and a spring is sleeved on the transmission shaft between the button and the fixed sleeve; in the natural state, The gear meshes with the ring gear. Through the rotating mechanism used for the display stand described in the present invention, its structure is simple, and this design is an improvement on the original design. It is also convenient when adjusting the rotation angle of the fixed bar in the original design.

The invention provides an X-ray inspection apparatus and an operation method. In the X-ray inspection apparatus, a tomographic synthetic image can be obtained with high image quality and low radiation by optimizing the rotation angle of the tomographic synthetic photography. A processing section of the X-ray inspection apparatus determines photographing targets, i.e., positions of a tumor (804) and a guide sheath (803), calculates an optimal rotation angle (801) of an X-ray beam capable of separating both and preventing the tumor (804) and bones (806) from overlapping, acquires an image while an X-ray source and a detector are moved in the calculated rotation angle range, and reconstructs the resulting image to obtain a tomographic synthetic image.

The invention discloses a fixing clamp for developing an electronic product. An air storing tank is connected to the outer wall of one side of the top of a base through bolts; a through hole is formedin one side of the top of the air storing tank; a stainless steel air pipe is welded to the through hole; the top end of the stainless steel air pipe is connected with a first flexible pipe in a clamped mode through a high-pressure pipe; the other end of the first flexible pipe is connected with an air gun through a screw thread; an air inflation pump is connected to the outer wall of the top ofthe base through screws; a supporting rod is welded to the outer wall of the other side of the top of the base; the outer wall of the supporting rod is sleeved with a sleeve; a rotary shaft is weldedto the outer wall of the top of the sleeve; a shaft sleeve is rotationally connected to the outer wall of the top of the rotary shaft; and a top plate is welded to the outer wall of the top of the shaft sleeve. First through holes, a second through hole and a latch are designed, and the height of the top plate can be adjusted according to the working needs of the workers; and the rotary shaft is disposed so that angle rotation of the top plate can be facilitated to adapt to the various working conditions.

The invention discloses a computer network integrated device convenient to install and fix, and the device comprises a support, a first fixed rod and a dustproof plate. The lower surface of the support is fixedly provided with a first fixed block, and the upper surface of the support is provided with a rotating block. The rear side of a fixing clamp is fixedly provided with a first connecting block, and the first connecting block is in engaged connection with a second connecting block. The upper end of the second connecting block is provided with a heat dissipation box, and first fixed rods are respectively fixed at left and right ends of the support. The lower surface of the interior of a groove is provided with a first spring, and the upper end of a second fixed rod is provided with a second spring. The dustproof plate is hinged to a baffle plate. The device provided by the invention is convenient to install and fix, and can prevent a network line from being twisted and tied. The device is provided with a buffering apparatus, thereby preventing an object from smashing the device. Moreover, the device can collect the spare network line, and prevents the spare network line from being disordered.

The invention discloses a novel assembled adjustable type computer chair. The novel assembled adjustable type computer chair comprises a back rest, a computer case hang frame, and a seat cushion; a connecting seat is arranged at the lower part of the back part of the back rest, and the top end of the connecting seat is connected with the back rest through bolts; the bottom part of the connecting seat is embedded into the internal side of a base pedestal, and the connecting seat is connected with the base pedestal through slide connection; the computer case hang frame is arranged at the back part of the back rest through bolts; the computer case hang frame is composed of a support, a damping rotating shaft, an upper supporting plate, a second locking button, and a lower supporting plate; the support is arranged at the back part of the back rest using bolts; the two ends of the damping rotating shaft are embedded into the internal side of the support. The novel assembled adjustable typecomputer chair is invented based on improvement of a computer chair; structure design is reasonable; adjusting is convenient; bearing capacity is high; the comfortableness is high; it is convenient for accommodating of a computer case; computer case limiting effect is excellent; fixing is firm; the convenience is high; the practicability is high; and problems disclosed in background technology aresolved effectively.

The invention discloses an environment-friendly solar energy supply device, and relates to the technical field of environment-friendly devices. The device comprises a pair of casings and a connectionblock fixedly connected between the pair of casings; an intermittent transmission mechanism is arranged at the middle part of the pair of casings; the intermittent transmission mechanism comprises anfirst outer sheave; a movable plate is fixedly connected in a mounting hole of the first outer sheave; the movable plate extends out from the upper part of the casing and is rotatably connected with the casing; a swinging plate is hinged at the top end of the movable plate; a first solar photovoltaic panel is fixedly connected with the swinging plate; and a sliding rail is fixedly connected with the lower surface of the swinging plate. Through the action of the intermittent transmission mechanism, the rotation angle of the movable plate can be conveniently adjusted, and through rotating a screwed rod, the pitch angle of the first solar photovoltaic panel can be conveniently adjusted, so that the device is capable of conveniently adjusting the rotation angle and the pitch angle of the firstsolar photovoltaic panel, and is convenient to use.

The invention discloses a control system for sock head sewing machine, comprising an electric power supplement portion, a motor driving portion, a microcomputer control portion, and a signal detection portion, which is characterized in the motor driving portion comprises a feeding device motor driving circuit, a first sewing device motor driving circuit, a second sewing device motor driving circuit, a delivery device motor driving circuit, a sewing device lifting motor driving circuit. Each motor driving circuit is correspondingly connected with motor on each device. The microcomputer controlportion comprises a touch screen or a keyboard, a liquid crystal display and microcomputer. Motor driving circuits, the touch screen or the keyboard, the liquid crystal display, and the signal detection portion are all electrically connected with the microcomputer. The control system of the sock head sewing machine uses a microcomputer control portion to control individual driving circuits for driving corresponding motors, has advantages of precise and accurate control, smooth and artistic sock head sewing wire. The invention further discloses a sock head sewing machine having the control system.

The invention discloses a control system for a sock head sewing machine, including a power supply portion, a motor driving portion, a microcomputer control portion and a signal detection portion, which is characterized in that the motor driving part comprises a feed device motor driving circuit, a first suture device motor driving circuit, a second suture device motor driving circuit, a delivery device motor driving circuit, a suture device lifting motor driving circuit. Motor driving circuits and motor on devices and correspondingly connected. The microcomputer control portion comprises a touch screen or a keyboard, a liquid crystal display and a microcomputer. Motor driving circuits, the touch screen or keyboard, the liquid crystal display, and the signal detection portion are all electrically connected to the microcomputer. The sock head sewing machine control system uses a microcomputer control portion to control individual driving circuits for driving correspondent motors, havingadvantages of precise and accurate control, smooth and artistic sock head sewing wire. The invention further discloses a sock head sewing machine having the control system.

The invention relates to the field of welding fixtures, and particularly discloses a multi-angle adjustable automobile welding fixture which comprises a top plate. The top plate is mounted above a base in a liftable manner, first clamping plates are slidably mounted at two ends of the top of the top plate, and angle adjusting mechanisms are mounted below the first clamping plates. Different welding requirements can be met, welding is more convenient and faster, and the working efficiency is improved. In the welding process, a second telescopic rod can drive the top plate to move up and down to adjust the height of a to-be-welded part, a rotating shaft can also drive the base and the top plate to rotate together, the position angle of the part above and a worker is adjusted, multidirectional cooperative use is achieved, the to-be-welded part above can be simpler and faster in the welding process, the body movement frequency of the worker is reduced, and the labor intensity is reduced.