136results about How to "Wide range of angle adjustment" patented technology

The invention belongs to the technical field of ultrasonic detection, and relates to a probe adaptively adjusted thin-wall part on-machine ultrasonic thickness measuring method. In the thickness measuring method, a ball-shaft mechanism is adopted to act as an adaptive adjustment mechanism, and a coupling agent injection mechanism is utilized to provide stable coupling liquid level for ultrasonic thickness measurement; in order to reduce thickness measurement impact and improve the contact stability, a spring is adopted to act as an elastic buffer; a limit switch is adopted to detect the device contact state so as to ensure the thickness measurement process to be safe; and a transit time difference based thickness calculation method is adopted, and the thickness of a current measuring point of a measured workpiece is calculated according to the time difference of ultrasonic echoes of the upper surface of the lower surface of the workpiece and the ultrasonic propagation velocity. According to the method, the angle and the position of a probe can be automatically adjusted according to the local surface shape of the measured workpiece so as to achieve an ideal normal consistent state. The method provided by the invention has the advantages of high adaptive ability, wide angle adjustment range, high measurement accuracy, ability of performing automatic on-machine thickness measurement in real time, high measurement efficiency and good stability.

The invention relates to a light projection angle adjusting structure of a lamp, comprising a rotating support assembly for connecting an electrical appliance box and a lamp body; the assembly comprises a rotating shaft connected with the lamp body and a rotating seat connected with the electrical appliance box; the rotating shaft and the rotating seat realize the angle adjustment of a lamp body through the longitudinal matching of an annular groove, an annular flange and mutually occlusive trapezoid sawteeth and are fixed through bolts after being adjusted; and the rotating seat and the electrical appliance box realize the angle adjustment and fixation of the lamp body in a horizontal circumferential plane through the horizontal matching of a flange plate, the annular groove and bolts. The structure is also provided with scales for facilitating adjusting process parameters. The structure provided by the invention realizes wide-range adjustment of an angle of the lamp and is flexible and convenient in adjustment mode; and the structure can be firmly fixed after being adjusted, is wide in application range and particularly suitable for angle adjustment of lamps with large sizes and weights.

A symmetrical piezoelectric-driven two-dimensional directional adjusting mechanism and a rotating platform angle adjusting method are provided. The invention relates to a piezoelectric driving deviceand an adjusting method. The symmetrical piezoelectric-driven two-dimensional directional adjusting mechanism comprises a rotating platform, a base, universal flexure hinges and four displacement amplifying units. Each displacement amplifying unit is mainly composed of a triangular amplifying structure and a piezoelectric ceramic actuator. The universal flexure hinges and the triangular amplifyingstructures are arranged between the rotating platform and the base. The rotating platform angle adjusting method comprises the following steps: gasless connection is carried out on the symmetrical piezoelectric-driven two-dimensional directional adjusting mechanism, and after installation, the initial height displacement deviation of the two symmetrical universal flexure hinges of the rotating platform is measured by using a laser displacement sensor; and then, the angle of the rotating platform is adjusted, and when the work is finished, the piezoelectric ceramic actuators are powered off and restored to the initial state. The symmetrical piezoelectric-driven two-dimensional directional adjusting mechanism and the rotating platform angle adjusting method are applied to the field of precision directional positioning and laser communication in a space environment.

The invention discloses a seat knee pillow and a vehicle adopting the seat knee pillow. The seat knee pillow comprises a first rotating shaft assembly, a ratchet wheel, a casing, a second rotating shaft assembly, a detent and a push rod assembly, wherein the first rotating shaft assembly is suitable for being fixedly arranged on a seat, the ratchet wheel is fixedly arranged on the first rotating shaft assembly, the casing is arranged on the first rotating shaft assembly through a fastening assembly and can rotate around an axis of the first rotating shaft assembly, the second rotating shaft assembly is fixedly arranged on the casing, the detent is sheathed on the second rotating shaft assembly, can rotate around an axis of the second rotating shaft assembly and is matched with the ratchet wheel, and the push rod assembly is connected with the ratchet wheel and is used for driving the detent to rotate around the axis of the first rotating shaft assembly so that the detent and the ratchet wheel are separated or matched. According to the seat knee pillow disclosed by the embodiment of the invention, the seat knee pillow can be maintained in the located position of an angle after rotating around the first rotating shaft assembly for any angles, the use by users is greatly convenient, the use comfort is improved, and in addition, the angle regulating range is wide.

The invention discloses a 5G base station antenna elevation angle regulation and control mechanism, and relates to the technical field of antenna regulation and control. The mechanism comprises a supporting column, a fixing groove is formed in the supporting column; a rotating rod is fixedly connected to the bottom of the inner wall of the fixing groove; and the top of the surface of the supporting column is rotatably connected with a movable sleeve, the top end of the rotating rod is fixedly connected with a limiting rod, the surface of the limiting rod is slidably connected with a limiting sleeve, and the inner wall of the movable sleeve is fixedly connected with teeth matched with a fan-shaped tooth plate. According to the 5G base station antenna elevation angle regulation and control mechanism, the rotation angle of a signal transmitting antenna in the horizontal direction and the inclination angle of the signal transmitting antenna in the vertical direction can be adjusted; the angle adjusting range is wider, operation is convenient, the practicability is improved, the inner wall of the limiting sleeve is matched with a polygonal block, a spline block is matched with a splinethrough groove, the limiting sleeve can be prevented from rotating without reasons, and therefore the signal transmitting antenna is prevented from rotating without reasons, and the reliability of thedevice is improved.

The invention discloses a multifunctional TV mount comprising a support seat and a casing, wherein the casing is arranged on the support seat and is used for mounting a TV, a pressing rotary mechanism is arranged between the support seat and the casing, and the casing can horizontally rotate an angle relative to the support seat by means of the pressing rotary mechanism. Because the pressing rotary mechanism is arranged between the support seat and the casing of the TV, the TV mount can cause the casing to horizontally rotate any angle relative to the support seat by manually pressing the casing so as to bring convenience for users to adjust the watching angle of the TV in the casing. The TV has the advantage of better watching effect and can satisfy the watching requirement of the user. The multifunctional TV mount has the advantages of simple structure, practicability, flexible and easy operation and large angle adjusting range. In addition, the invention has the advantages of optional lifting, multifunctional function, stable use, convenient assembly and disassembly, low manufacturing cost, wide using range and the like and is especially suitable to use on bathtubs or TV benches or various tables.

The invention discloses a photovoltaic support with an adjustable mounting installation dip angle. The photovoltaic support comprises a battery fixing frame, a fixing mechanism and an adjusting mechanism. The photovoltaic support is fixed onto a balcony through the fixing mechanism, the battery fixing frame rotates by a certain angle by rotating a lead screw in the adjusting mechanism, a pointer and a scale value in the adjusting mechanism are observed, rotation of the lead screw is stopped, and the battery fixing frame is positioned at a proper angle. Therefore, when four seasons alter, the battery fixing frame rotates to the proper angle, the power generation efficiency of a solar cell is improved, and the photovoltaic support is simple and convenient to operate and wide in angle adjusting range and is not easily affected by space limitations.

The invention discloses a lifting table with a rotatably adjusting structure, comprising a movable support body and a bed pate component, wherein, the bed plate component comprises a fixedly connected countertop and a faceplate gear piece, the faceplate gear piece rotates coaxially and is provided with a steel tube gear sleeve, the outer end of the faceplate gear component is provided with an angle-adjusting knob in an assembing and locking way, and the central axis of the angle-adjusting knob is sheathed with the steel tube gear sleeve in a coordinating way by the central part of the faceplate gear piece; the lower end of the steel tube gear sleeve is sheathed with a height-adjusting rod, a support sleeve is fixed on the movable support body, the support sleeve is connected with the height-adjusting rod by an insert button; the support sleeve is connected with the height-adjusting knob, and the height-adjusting knob is connected with the height-adjusting rod in a colliding and locking way of the rotatably adjusting structure; the faceplate gear piece of the invention features rational structure design, convenient and fast operation of practical angle adjustment, free adjustment of height according to the will of the users and wide adjustment range of height.

The invention discloses a shock absorption adjusting device for a teaching projector. The shock absorption adjusting device comprises a projector and a positioning plate, wherein the projector and thepositioning plate are connected through an adjusting support; a shock absorption support is mounted at the bottom end of the positioning plate; the shock absorption support comprises a plurality of shock absorption seats; each shock absorption seat comprises a fixing barrel, two shock absorption barrels and two spring rods; each pair of shock absorption barrels is connected together through the corresponding fixing barrel; a piston is connected to the bottom end of each of the spring rods; each piston is arranged in the corresponding shock absorption barrel; the top ends of each pair of spring rods are connected together through a connecting pillar; an adjusting lead screw is connected to the top end of each of the connecting pillars; the adjusting support comprises a support plate and anadjusting pillar; the bottom end of the support plate is mounted at the center of the positioning plate; the top end of the support plate is connected with the projector through a hinged seat; and the bottom end of the adjusting pillar is connected with one side of the surface of the positioning plate. According to the shock absorption adjusting device for the teaching projector provided by the invention, larger-angle projection is realized, a good shock absorption protection function is always achieved during adjustment and transportation, and the service life is greatly prolonged.

The invention discloses a laser induced breakdown spectrometer and a spectral signal collection method of the same, belonging to the technical field of laser diagnostics and measurement. The spectrometer comprises a light receiving lens cone, a laser device, a rotating platform and a rotating support column, wherein the rotating platform is connected with the rotating support column and can rotate around the central axis of the rotating support column, relative to the central axis, the laser device is fixed, the light receiving lens cone is fixed on the rotating platform, and the laser device and the light receiving lens cone both face the same position on the central axis and respectively emit pulse laser and collect the spectral signal. With the method, the light receiving lens cone is fixed on the rotating platform and can rotate around a sample exciting point, and simultaneously, the light receiving lens cone always faces the sample exciting point and collects the spectral signals from different angles of an exciting plasma body. The spectrometer and the signal collection method provided by the invention can regulate the spectral signal collection angle just by rotating the rotating platform without detaching each component, so that the spectrometer and the method have the advantages of being simple, quick and steady. The spectrometer and the method are suitable for the accurate measurement of laser induced breakdown spectrum.

A novel automatic deviation adjusting roller set relates to the field of conveyor belt transmission and comprises a roller rack, as well as a roller set and deviation adjusting power structures, which are arranged on the roller rack, wherein the roller set comprises a center roller and a pair of edge rollers which are arranged on two sides of the center roller in bilateral symmetry; each edge roller comprises a main shaft, an adjusting disc, a fixed disc, an adjusting screw, an adjusting nut, an adjustable supporting roller face and a fixed supporting roller face; each edge roller is connected with a main shaft of the center roller through a coupler; the center roller comprises two center rolls in bilateral symmetry; the structures of the center rolls are the same as those of the edge rollers; the deviation adjusting power structures are arranged at the end parts of the edge rollers; each deviation adjusting power structure comprises a deviation adjusting wheel and a bevel gear box; and each deviation adjusting wheel performs torque transfer with the main shafts of the edge rollers through the bevel gear boxes. According to the novel automatic deviation adjusting roller set, deviation adjustment can be performed at any position of a conveyor belt, automatic adjustment is realized, manual intervention is not needed, the problem of deviation of the conveyor belt can be quickly and conveniently solved, the cost is low, the angle adjustment range is wide and full automatic is realized.

The present invention discloses an angle adjustment device for a blood collection chair backplane, comprising a seat rack and a backplane rack which are rotatablely connected with each other, an electric handspike which is arranged at the bottom of the backplane rack and is provided with an output shaft and a handspike plate which is rotatablely connected with the bottom of the seat rack. One end of the handspike plate is rotatablely connected with the seat rack. The bottom of the backplane rack is provided with a guide pole, the outer circle wall of which is mounted with a shaft cover which is sliding. The other end of the handspike is rotatablely connected with the shaft cover. The output shaft is rotatablely connected with shaft cover. The output shaft is connected with the shaft cover. The present invention has the advantages that: (1). the motion direction of the output shaft is the same as the motion direction of the shaft cover, the utilization rate of the force of the output shaft is high, the force does work by 100 percent in theory and the motion is more stable; (2). the angle adjustment rang of the structure is large, which can be plus or minus 90 degrees in theory and has low requirement towards the flexing range of the output shaft.

The invention relates to a sledge and wheel integrated landing gear for an unmanned aircraft. The sledge and wheel integrated landing gear comprises a supporting arm and an aircraft wheel, wherein the upper end of the supporting arm is arranged at the bottom of the unmanned aircraft body; the aircraft wheel is arranged at the lower end of the supporting arm; a sledge is arranged between the aircraft wheel and the supporting arm; the upper end of the sledge is hinged to the lower end of the supporting arm of the landing gear; and the aircraft wheel is arranged at the lower end of the sledge. The sledge and wheel integrated landing gear is scientific in design and relatively low in cost and has a simple structure and a wide application range; due to a simple mechanical structure, the landing safety of the unmanned aircraft during landing is improved effectively, the shock absorption effect is good, and the sledge and wheel integrated landing gear is suitable for various environments with complicated terrains; the unmanned aircraft can be landed steadily in a flat flying place, a rugged land and a soft grass land, and obstacles with relatively large volumes can be kept away from the aircraft during landing; and furthermore, the sledge and wheel integrated landing gear occupies a small area and has a small volume, light mass, high reliability and long service life.

The invention discloses an angle-adjustable CT (Computed Tomography) device and belongs to the technical field of computer tomography equipment. The device comprises a suction cup matrix and a drive part, wherein the suction cup matrix adsorbs and fixes a to-be-detected object; the drive part is composed of a plurality of drive units connected in series; each of the drive units is composed of an electromagnetic actuator, a rotating part, an upper platform and a lower platform; the electromagnetic actuator and the rotating part are in one-to-one association and are evenly placed between the upper platform and the lower platform; the rotating part is formed by connecting a rotating body, a cross shaft, a connecting shaft and a nut; the rotating part has a universal rotating function; a strong magnet is fixed at the bottom of the lower platform; and the bottom of the lower platform is fixed on a CT turntable through the strong magnet. According to the angle-adjustable CT device, by controlling the movement of the drive units, the angle adjustment of the to-be-detected object is implemented, the adjustment angle is large, the adjustment efficiency is high, the device can be repeatedlyused, the efficiency of CT detection is improved, the manual repeated change of the angle of the to-be-detected object is prevented, the labor intensity of an inspector is reduced and the device has good promotion and application values.

The invention relates to the technical field of conveying equipment, and discloses a sweeper of a belt conveyor and material conveying equipment. The sweeper of the belt conveyor comprises a fixed beam, a cleaning piece and at least one connecting piece. The fixed beam stretches across a conveyer belt and is fixed between racks of the belt conveyor. The cleaning piece is used for cleaning the conveyor belt in the return stroke direction. Each connecting piece is hinged to the fixed beam and the cleaning piece respectively. The sweeper of the belt conveyor is provided with two hinged points, the angle adjustment scope of the cleaning piece can be wider, so the cleaning piece can be tightly attached to the vibrating conveyer belt, and the cleaning effect is improved.

The invention discloses a goods sorting system and method for logistics transportation. The goods sorting system comprises a supporting frame, a conveyer belt driven by an outer power device is arranged in the supporting frame, the left side of the supporting frame is fixedly connected with a sorting device body, the position, close to the upper surface of the left side of the supporting frame, onthe supporting frame is fixedly connected with a U-shaped supporting frame, the inner wall of the U-shaped supporting frame is fixedly connected with a code scanning device body, a bottom plate is arranged under the supporting frame, the lower surface, close to the four corners of the bottom plate, on the bottom plate is fixedly connected with supporting legs, and movable assemblies are hinged tothe side faces of the supporting legs. Through cooperation of structure, the height and angle of the conveyer belt can be adjusted, locking can be conducted in time after adjusting is completed, through arrangement of a push-pull assembly, the angle adjusting range of the conveyer belt is wider, through arrangement of the movable assemblies, a sorting device can be moved, and convenience is provided for goods sorting.

The invention relates to an angle-adjustable ultrasonic probe device. The device comprises a probe, a platform, a probe angle adjusting mechanism and a base; the probe is mounted on the platform, theprobe angle adjusting mechanism comprises at least one angle adjusting unit mounted between the platform and the base; the angle adjusting unit comprises a rotating component and a telescopic drivingmodule fixed on the base; the rotating component is composed of a cardan universal joint, one end of the universal joint is fixed on the platform, and the other end of the universal joint is fixedly connected with a telescopic end of the telescopic driving module, the telescopic driving module performs telescopic movement up and down to drive the universal joint to perform rotating movement, thereby realizing the adjusting of the probe angle. The detection range of the probe is effectively improved through the angle adjusting mechanism, the control on the probe inclination angle is realized, the reliability of the ultrasonic detection is improved, and the labor intensity of detection personnel is reduced.

The invention provides a bicycle rotating folder, which comprises a lower rotating base, a tooth disk, an upper rotating base, a rotating pin and an eccentric spanner; the tooth disk is fixed in the lower rotating base, and the tooth disk is evenly provided with a mesh tooth part on a peripheral direction; the upper rotating base is provided with a matching tooth part meshed with the mesh tooth part; one end of the rotating pin is fixed on the lower rotating base, and the lower end is hinged with the eccentric spanner by crossing through the upper rotating base; a spring is mounted between the lower rotating base and the upper rotating base; the eccentric spanner is rotated so that the matching tooth part of the upper rotating base is isolated from the tooth disk; the upper rotating base is rotated to rotate and fold; the eccentric spanner is locked, thus the matching tooth part is meshed with the corresponding mesh tooth part. The upper rotating base of the bicycle rotating folder can rotate and fold on the peripheral direction in relative to the lower rotating base; the bicycle rotating folder is stable and reliable in overall structure, and convenient to adjust.

The inVention discloses a fence board for planting and protection of forest trees. The fence board comprises a central fence plate, insertion holes are formed in both sides of the outer wall of the top of the central fence plate, and fixing bolt rods are inserted into the inner walls of the two insertion holes respectiVely; side fences are fixedly connected to the outer walls of both sides of thecentral fence plate through the corresponding fixing bolt rods, and the bottoms of the outer walls of the sides, away from the corresponding fixing bolt rods, of the side fences are sleeVed with counterweight blocks respectiVely; an electronic display screen support is fixed to the outer wall of the top of the central fence plate through bolts. Through combined installation of the two side fencesand the central fence plate, the direction can be adjusted, and the adjustment range of a connection angle is wider; detachable anchor hooks and the counterweight blocks make installation of the fences stable, triangular support frames make an installation structure stable, and under cooperation with water storage turf, the functions of reinforcing soil and storing water can be achieVed. An electronic display screen and solar cell panels cooperate with electric adjustment rods so that an electronic propaganda column with power supplied by solar energy can be obtained; LED illumination lamps can make the forest tress more Visible at night for protection.

The invention discloses an angle adjustable cradling piece connection device, which comprises a clamp (1), a locking seat (2) and a locking mechanism (3), wherein, the locking mechanism (3) comprises an inner-toothed arc (14), a spring (17), a positioning rod (15), an outer-toothed arc (16) which is fixed at the lower end of the positioning rod (15), and a derrick boom (13) which is arranged on the locking seat (2); a first key slot (19) and a second key slot (20) which are perpendicular to each other are formed longitudinally on the derrick boom (13); blind holes are formed at the bottom end of the derrick boom (13); the spring (17), the positioning rod (15) and the outer-toothed arc (16) are arranged in the blind holes; the inner-toothed arc (14) which is meshed with the outer-toothed arc (16) penetrates the second key slot (20) in a sliding manner; two positioning operating handles (18) which are extended from the first key slot (19) respectively are arranged on the positioning rod (15); and the bottom part of the clamp which are fixed with the two ends of the inner-toothed arc (14) is hinged with the top end of the derrick boom (13).

The invention discloses a novel numerical control fan shell structure, and belongs to the technical field of numerical control fans. The structure comprises a fan shell, outer shells and a base plate.The two outer shells are fixedly connected to the upper surface of the base plate. The fan shell is fixedly connected between the two outer shells. A fixing ring is arranged inside the fan shell. Theleft and right sides inside the fixing ring are each provided with a positioning mechanism. The portions, corresponding to the two positioning mechanisms of the outer surface of the fan shell are each provided with a clamping hole. By arranging an air guiding mechanism, a first air guiding tube and a second air guiding tube are arranged inside the air guiding mechanism, the first air guiding tubecan be adjusted inside the second air guiding tube by a certain angle, and therefore smoke can be exhausted at different angles through the first air guiding tube and the second air guiding tube. Dueto the positioning mechanisms, when the air guiding mechanism needs to be used, the positioning mechanisms can be used for disassembling the air guiding mechanism from the fan shell, at the moment, wind power exhausted by the fan shell can be exhausted along the normal track, and the application range of the fan is greatly enlarged.

The invention discloses accessories at the corners of stair railing surface pipes, comprising bodies and rotating components, wherein the bodies are provided with first butt joint ends in butt joint with the railing surface pipes at the corners of the stair railing; the rotating components are cylindrical, with one end sealed and the other end open; the open ends of the rotating components are second butt joint ends in butt joint with another railing surface pipes; the sealed ends of the rotating components are provided with more than two chutes which are parallel to each other; fastening bolts penetrate through the chutes; and the rotating components are connected and fixed with the bodies by locknuts sleeved on the fastening bolts. The accessories have the advantages of simple structures, adjustable angles and strong adaptability. The invention also discloses the stair railing provided with the accessories.

The invention provides an insulation operating lever, belonging to the technical field of electrical operation tools. The insulation operating lever comprises a hand-held lever for an operator to hold, an operation lever and an operation hook, wherein one end of the operation lever is movably connected to one end portion of the hand-held lever; the operation hook is arranged at the other end of the operation lever; a fixing handle is also fixedly arranged at the end portion of the hand-held lever; a connecting card is also arranged at the end portion of the fixing handle; a fixing card detachably connected with the connecting card is arranged at the end portion of the operation lever; a plurality of fixing holes for fixing the fixing card are formed in the connecting card; pin holes adapted to the fixing holes are also formed in the fixing card; and fixing pins for fixing the connecting card and the fixing card are also detachably arranged in the pin holes. The insulation operating lever avoids obstacles disposed among a distribution transformer and a line switch and a worker by dividing the insulating operating lever into several parts with adjustable angles, and can be used to perform power transmission operation or power cut operation more conveniently.

The invention discloses a shower device. The shower device comprises a control valve and a lower water pipe, wherein a rotating shaft communicating with the lower water pipe is arranged on the lower water pipe, the rotating shaft is rotationally provided and connected with a water outlet unit, and the water outlet unit is installed on and connected with the rotating shaft in a mode that the angleof the water outlet unit can be adjusted and is in communication with a flow path in the rotating shaft; and the water outlet unit at least has a first angle range and a second angle range, the wateroutlet unit has a first mode when the water outlet unit is in the first angle range, and the water outlet unit has a second mode when the water outlet unit is in the second angle range. According to the technical scheme of the shower device, the water outlet angle of the water outlet unit can be adjusted according to needs so that the user can conveniently use the shower device, moreover, the usercan adjust the angle according to needs, so that the water outlet unit has different modes, the use is more flexible, and the function is more complete.

The invention provides a simple manipulator clamping and turnover mechanism which comprises a mounting panel, wherein a cover is fixed on one side of the upper end surface of the mounting panel; a guide track on the mounting panel is positioned inside the cover; the guide track is adapted to a sliding base; a rotating device which is arranged on the mounting panel and is arranged perpendicular tothe guide track is fixedly connected with the sliding base; an end part of a manipulator above the mounting panel is fixedly connected with the rotating device; turnover of a workpiece clamped by themanipulator is achieved after the manipulator is driven by the rotating device to rotate. Due to adoption of the rotating device which is perpendicular to the guide track and is fixedly connected withthe sliding base on the mounting panel, turnover of the workpiece clamped by the manipulator on the rotating device is achieved, the mechanism is simple in structure, convenient to operate, large inangle adjustment range and high in use value, a rotation angle can be adjusted by controlling the elongation of the piston rod of a telescopic cylinder, and turnover of 0-180 degrees can be achieved.

The invention discloses an air guide device and an air-conditioner. The air guide device comprises a flow guide cover, an air inlet control part and a driving part. The flow guide cover comprises two lateral side baffles and a plurality of partition plates. The multiple partition plates are arranged between the lateral side baffles, the two ends of the partition plates are connected with the lateral side baffles respectively, and an air inlet-outlet channel is formed between every two adjacent partition plates. The air inlet control part is arranged at air inlets of all the air inlet-outlet channels of the flow guide cover, and one or more air inlet-outlet channels can be opened or closed under the driving of the driving part. According to the air guide device and the air-conditioner, the multiple air inlet-outlet channels can be formed by the partition plates according to requirements, and air outlets of the air inlet-outlet channels are formed towards different air outlet positions; in addition, the air inlets of the corresponding air inlet-outlet channels can be opened or closed according to specific space temperature adjustment requirements, the aim of adjusting the air outlet angles can be achieved, the control over the air outlet angels is flexible, and the angle adjustment range is large.

The invention provides an angle adjusting structure for a movable curtain wall. The angle adjusting structure is provided with a main vertical column (10) arranged on a supporting face, a first auxiliary vertical column (12), and a second auxiliary vertical column (15); the main vertical column (10) is provided with a vertical column face (11) which is perpendicular to the supporting face; the first auxiliary vertical column is provided with a first auxiliary vertical column face (13); the first auxiliary vertical column is rotationally connected with a vertical column face of the main vertical column around a first rotary shaft (14), and the axial direction of the first rotary shaft is parallel to the extending direction of the first auxiliary vertical column; the second auxiliary vertical column is provided with a second auxiliary vertical column face (16); the second auxiliary vertical column is rotationally connected with the vertical column face of the main vertical column arounda second rotary shaft (17), and the axial direction of the second rotary shaft is parallel to the extending direction of the second auxiliary vertical column; and the second rotary shaft is parallel to the first rotary shaft, and the second rotary shaft and the first rotary shaft are spaced by a set interval. The adverse influence of curtain wall vertical column splicing on the indoor overall exterior trimming effect can be improved, material consumption can be reduced, and the angle adjustable range of the movable curtain wall is increased.

The invention relates to a head massaging seat special for high-speed rails, automobiles and airplanes. The seat comprises a seat body, a head massaging machine and an adjusting support, wherein the head massaging machine is installed in the seat body through the adjusting support. The seat can be widely used in high-speed rails, bullet trains, automobiles and airplanes; besides, a series-parallel structure is established between the adjusting support and the head massaging machine, so that the overall position and angle adjusting range is wide, massaging motion is flexible, and stability is high; moreover, due to user-friendly design, the massaging effect is obvious, the comfort level is high, and a comfortable and convenient riding environment is provided for passengers; furthermore, as a 4-UPS type parallel mechanism is adopted for the head massaging machine, one-horizontal-moving and three-rotating motion in four degree-of-freedom directions can be achieved, the motion effect is good, many degrees of freedom of motion are provided, full contact with the head is achieved, both the moving speed and the rotating sped can be adjusted, the seat can be used by people of different ages and is high in applicability, and thus the massaging effect of the seat is improved.

The invention discloses a drawing table with a movable square, which comprises a base, a screw rod and a table, the table is a rectangular structure, and the drawing table with a movable square also includes A "U"-shaped connection part and a disk; the base is provided with an internal thread cylinder, the lower end of the screw is connected to the internal thread cylinder, and the "U"-shaped connection part is connected to the The upper end of the screw rod is fixedly connected, a fastening bolt is provided on the "U"-shaped connecting part, and a plurality of circularly arranged adjustment holes are provided on the edge of the disc. The advantages of the drawing table with movable square ruler of the present invention are: the height can be adjusted, and it is convenient for people of different heights to use; it has a round waist bracket, which can easily support the user's feet and relieve the user's fatigue; The angle adjustment range is large and it is not easy to be overturned, and it also has a flexible square.

The invention discloses a non-equal hydraulic index chuck, and relates to a machine tool fixture. The non-equal hydraulic index chuck is used for solving the problem that an ordinary hydraulic chuck has a small angle adjustment range. The non-equal hydraulic index chuck comprises a chuck body, a clamping cavity formed in the chuck body, at least two blocking seat cavities formed in the chuck body,an indexing blocking seat and a clamping blocking seat respectively and rotatably connected to the interiors of the two blocking seat cavities, and further comprises an indexing mechanism, wherein the indexing mechanism comprises an indexing cavity, an indexing rack and meshing teeth; the indexing cavity is formed in the chuck body; the indexing rack is arranged in the indexing cavity in a penetrating manner and moves in the depth direction of the indexing cavity; the meshing teeth are formed on a rotating shaft of the indexing blocking seat; the indexing rack is meshed with the meshing teeth; a locating component for locating the indexing blocking seat is arranged on the chuck body; the indexing mechanism driven by adopting a gear and rack system can realize the relatively fine adjustment, and has relatively large angle adjustment range, so that the hydraulic chuck can be located at multiple angles, and thus, the purpose of improving the applicability of the hydraulic chuck is achieved.