54results about How to "Easy to adjust at multiple angles" patented technology

The invention provides a multi-functional cervical traction device. The multi-functional cervical traction device includes a front cervical support frame and a rear cervical traction collar; the front cervical support frame includes a front cervical collar, a mandible support, two support rods and two retractable rods; the two symmetrically arranged support rods are arranged at the shoulder positions of the left and right ends of the front cervical collar, and the two ends of the mandible support are hinged to the upper ends of the two support rods respectively; one end of each retractable rod is hinged to the front portion of the mandible support, the other end of each retractable rod is hinged to the front cervical collar, and the two retractable rods are arranged on the front cervical support frame in a left-and-right symmetrical mode; the front cervical collar of the front cervical support frame is provided with a carotid-artery compression device; the left and right ends of the rear cervical traction collar are connected with the support rods at the left and right shoulders of the front cervical collar in a buckled mode. The multi-functional cervical traction device integrates the cervical traction function and the control over the blood-supply quantity of the carotid artery, therefore, convenience is brought to patients who synchronously need carotid-artery compression and cervical traction, the purposes of well relieving and treating diseases such patient are achieved, and the practicability of the cervical traction device is improved.

The invention discloses a multidirectional-adjustable type textile cloth cutting device which comprises a machine body, wherein a shock absorption walking mechanism is mounted at the lower end of themachine body; a machine cavity is formed in the machine body; a servo motor is mounted at the middle part of the bottom end of the machine cavity; a driving shaft of the servo motor is provided with afirst gear in a sleeving manner; the driving shaft of the servo motor is fixed on the inner wall of the machine cavity through a first bearing pedestal; the first gear is meshed with a second gear having a diameter greater than the diameter of the first gear; a worm is inserted into the middle part of the second gear; both ends of the worm are meshed with worm wheels; nuts are fixedly inserted into the middle parts of the worm wheels; the nuts are fixed on the inner wall of the machine cavity through bearings; internal threads of the nuts are connected with screw rods. The multidirectional-adjustable type textile cloth cutting device is stable in structure, easy to operate, scientific and reasonable in design, short in production period, low in manufacturing cost, high in shock absorptionperformance and convenient to move, can be adjusted in multiple directions, can greatly save time and energy of a worker, and is worthy of popularization.

The invention discloses a bag grabbing mechanical arm for sludge bag breaking equipment. The mechanical arm comprises a moving mechanism, a steering mechanism and a grabbing mechanism, wherein the steering mechanism is arranged at the bottom of the moving mechanism, the grabbing mechanism is arranged at the bottom of the steering mechanism, and the moving mechanism is composed of a movable box body, a driven shaft, a driving shaft, a driven bevel gear, a driving motor, a driving bevel gear and a driving wheel. According to the mechanical arm, the driving motor and the driving shaft are arranged, the mechanical arm can be driven to move transversely under the action of the driving motor so that the mechanical arm can move rapidly; a lifting hydraulic cylinder is arranged, the height of themechanical arm can be flexibly adjusted, so that the mechanical arm can work for working tables with different heights; and a steering motor, a rotary main shaft, a transmission worm and a transmission worm wheel are arranged, the size of the opening of a clamping claw can be adjusted in multiple angles under the matching of the transmission worm and the transmission worm wheel so that sludge bagswith different sizes can be clamped by the clamping claw.

The invention discloses a fixing device of a video surveillance camera. The fixing device of the video surveillance camera comprises a fixing mechanism, a rotating mechanism and an elevation adjustingmechanism, wherein the rotating mechanism is arranged on one side of the fixing mechanism, the elevation adjusting mechanism is arranged on the side, away from the fixing mechanism, of the rotating mechanism. According to the fixing device, the structure is compact, through arrangement of the fixing mechanism, the camera can be fixed on a smooth wall through a vacuum sucker, so that the camera can be moved and adjusted conveniently, the camera can be mechanically fixed through bolts and fixing holes, the camera can be clamped and fixed to the required position through a fixing screw rod, so that the problem that the installation is inconvenient due to the fixing plate is inflexible is avoided, multimode fixing installation improves the mounting efficiency; and through arrangement of the rotating mechanism and the elevation adjusting mechanism, the camera can be conveniently adjusted in multiple angles, the problem that the angle adjustability of the camera is poor due to inflexible ofthe structure is avoided, the angle positions of the camera can be flexibly adjusted, and the practicability of the fixing device is improved.

The invention discloses a grinding machine convenient to use. The grinding machine comprises a grinding machine body; grinding wheels are mounted at the two ends of the grinding machine body; a protection cover fixed to the grinding machine body is arranged outside the grinding wheels; first sleeves are fixed to the two sides of the lower end of the grinding machine body; vertical rods are inserted into the lower ends of the first sleeves; a cabinet body is fixed to the lower end of each vertical rod; cushioning springs arranged on the vertical rods in a sleeving mode are arranged between thefirst sleeves and the cabinet bodies; a vertical plate fixed to the cabinet bodies is arranged between the two vertical rods; a first gear is rotationally connected to the front surface of the vertical plate; a hand wheel is fixed to the front surface of the first gear; a connecting plate fixed to the vertical plate is arranged on one side of the first gear; a bolt penetrates through the connecting plate and is in threaded connection with the connecting plate; a rack is fixed to the side end of one of the first sleeves; the first gear meshes with the rack; the end, opposite to the first gear,of the bolt is in a conical shape, and the diameter of the end is smaller than the tooth pitch of the first gear; a transverse shaft is fixed to the side end of the protection cover; and the transverse shaft is sleeved with a second sleeve. The grinding machine is safe, labor-saving and convenient to use.

The invention relates to a ball type multidirectional fine-adjustment clamping and aligning device, which is characterized by comprising a fixed base plate seat, an aligning device arranged in the fixed base plate seat, a spring resetting device arranged in the fixed base plate seat, a locking device arranged on the fixed base plate seat and a clamping device arranged on the aligning device, wherein the aligning device is connected with the spring resetting device in a leaning manner. The fine-adjustment structure can move in multiple degrees of freedom, so that the aligning device can be adjusted in multiple angles; furthermore, the aligning device can realize multidirectional manual fine-adjustment alignment under the rolling of a ball; and the aligning device can perform alignment intuitively, quickly and safely.

The invention discloses an intelligent manufacturing shop experiment platform for a mechanical manufacturing system. The platform comprises a base, two sliding cavities are formed in the base in a bilateral symmetry manner, two telescopic columns are symmetrically and vertically arranged on the upper end face of the base, the upper ends of the two telescopic columns are jointly connected with a bottom plate, and the upper end face of the bottom plate is provided with an annular ball groove. A controller controls a servo motor to be started so as to drive a worm gear to rotate, threaded columns rotate, threaded tubes are driven to move up and down, the height of the bottom plate is adjusted, a worker can conveniently do the experiment, the two telescopic columns on the bottom end face of the bottom plate stretch out and draw back along with lifting of the bottom plate, meanwhile, the phenomenon that in the rotating process of the threaded tubes, the bottom plate rotates is avoided, a stepping motor is fixedly connected with the inner ring of a fixed ring through connection of a rotating shaft, the platform can be driven to rotate, a test instrument in the platform can be subjected to multi-angle adjusting conveniently, and a worker experiment can be facilitated carried out.

The invention discloses a fixing device for motorcycle engine end cover processing, which comprises a base. The inside is provided with a thread groove, and the thread groove is screwed and connected with the external thread on the surface of the fixing seat. The upper surface of the gland is provided with a through hole, and the through hole communicates with the thread groove. The inside of the fixing seat is provided with A counterbore, the counterbore is arranged vertically, and a column is arranged inside the counterbore, and the column vertically extends through the through hole to the outside of the gland. The present invention adopts two oppositely arranged clamping mechanisms, and adopts the up-and-down expansion and contraction of the column and the horizontal opposite movement of the screw rod to realize the clamping of the workpiece, which can achieve effective and stable clamping of workpieces with various shapes, and is convenient for multiple angles of the workpiece The adjustment improves the workpiece clamping range and effectively improves the processing efficiency.

The invention discloses a high-precision full-frame oblique photogrammetry device for an unmanned aerail vehicle, which comprises an unmanned aerial vehicle connecting and assembling base, a second rotating angle adjusting structure and a second angle rotating sensor, and assembling and fixing bolts are arranged at the four corners of the unmanned aerial vehicle connecting and assembling base. A first rotating angle adjusting structure is arranged on the upper end face of the unmanned aerial vehicle connecting and assembling base, the second rotating angle adjusting structure is arranged abovethe first rotating angle adjusting structure, and a first angle rotating sensor is arranged on the upper right portion of the second rotating angle adjusting structure. According to the full-frame oblique photogrammetry device, multi-angle adjustment can be conveniently carried out on image shooting through the arranged first rotating angle adjusting structure, so that 360-degree dead-angle-freeshooting can be conveniently carried out by the photogrammetry device in the horizontal plane, and the rotating shooting angle of the photogrammetry device can be conveniently measured through the arranged first angle rotating sensor; therefore, the rotating shooting angle in the horizontal plane can be conveniently known.

The invention relates to the technical field of milling machines, and discloses a full-automatic numerical control double-end milling machine with an adjustable and controllable tool bit angle. The full-automatic numerical control double-end milling machine comprises a bottom plate, wherein lifting devices are fixedly arranged at the end parts of the upper part of the bottom plate; mounting blocksare fixedly arranged at the upper parts of the lifting devices; sliding rails are arranged inside the mounting blocks; the sliding rails and sliding blocks are movably arranged; threaded rods II aremovably arranged in the middles of the sliding blocks; and one of the ends of the threaded rods II is movably arranged on the inner wall of the corresponding sliding rail, and the other one of the ends of the threaded rods II is fixedly connected with a hand wheel II. According to the full-automatic numerical control double-end milling machine with the adjustable and controllable tool bit angle, milling cutters are fixedly arranged at the two ends of the upper part of the bottom plate, the milling cutters are matched with a gear I, a connecting frame, a spiral shaft, a rotating ring I, a motorII and the like, so that the milling cutters can swing up and down and left and right, multi-angle adjustment of the milling cutters is facilitated, and then a workpiece on the upper part of a workbench can be conveniently subjected to angle machining.

The invention provides a hydraulic cylinder barrel with a connecting hole capable of rotating. The hydraulic cylinder barrel comprises a cylinder barrel body, the bottom of the cylinder barrel body isin bolted connection with a fixed box, a large bearing is in bolted connection to the center of the top of an inner cavity of the fixed box, and a fixed column is rotationally connected to the innerring of the large bearing. A telescopic column is in clamped connection to an inner cavity of the fixed column. A clamped connection mechanism is arranged at the top of the left side of the telescopiccolumn, a rotating mechanism is arranged on the right side of the inner cavity of the fixed box, and the moving mechanism is arranged on the left side of the inner cavity of the fixed box. Through cooperation of a motor, a rotating shaft, a first gear and a second gear, the fixed column can be rotated by a user conveniently, and therefore a moving column is rotated through the telescopic column,then a round connecting block and the connecting hole are rotated at the same time, and therefore the user can carry out multi-angle adjusting on the connecting hole conveniently according to the field mounting situation, flexibility of the connecting hole is improved, and meanwhile the boundedness of the connecting hole is reduced.

The invention, which belongs to the field of medical device technology, discloses a severe neurosurgical rehabilitation device comprising a base. Support legs are fixedly connected to the top of the base; and support plates are fixedly connected to the tops of the support legs. A support rod and a fixation rod are connected to sides of the support legs respectively and fixedly; a driving rod is connected to the surface of the fixation rod in a rotating manner; and a driving wheel is connected to the surface of the support rod in a rotating manner. A motor is fixedly connected to the top of thebase; a belt pulley is fixedly connected to the output shaft of the motor; and the surface of the belt pulley is in transmission with the surface of the driving wheel by a belt. With the severe neurosurgical rehabilitation device, problems that the existing rehabilitation device on the market only has the single structure and function and can not carry out multi-angle adjustment on the leg of thepatient and the movement range is small can be solved. Moreover, the rehabilitation effect is good and the operation process is simple and convenient; and the severe neurosurgical rehabilitation device can be used by the user conveniently for physical recovery.

The invention discloses a control vertical vector propelling device of an underwater robot and a propelling method of the control vertical vector propelling device. The control vertical vector propelling device comprises a first driving box and a second driving box. A first driving box is arranged, a first driving motor is arranged in the first driving box, the first driving motor can drive a first driving gear at the output end of the first driving motor to rotate when working, then a first driven gear is driven to rotate through the first driving gear, and the first driven gear is fixedly connected to the outer side of a connecting shaft, so that the connecting shaft is driven to rotate; one end of the connecting shaft is fixedly connected with the second driving box through an annular connecting base, then the second driving box can be driven to rotate, a propeller is arranged on one side of the second driving box, the angle of the propeller is adjusted, then the horizontal propelling direction of the underwater robot is controlled, the propeller can be adjusted within the range of 180 degrees, and the underwater robot is more stable in propelling. And the adjusting range in the horizontal direction is wider.

The invention provides a self-adaptive adjustment laser cutting device, and belongs to the technical field of laser cutting, the safe self-adaptive adjustment laser cutting device comprises a device shell, two first connecting plates are fixedly connected to the top end of the device shell, and two second laser cutters are arranged between the two first connecting plates; the transmission mechanism is arranged on one side of one first connecting plate, an output shaft of a first motor and an output shaft of a first fixing groove can drive a second lead screw and a first lead screw to rotate correspondingly, and along with rotation of the first lead screw and the second lead screw, the first lead screw and the second lead screw can drive the first lead screw and the second lead screw to drive two nuts with the surfaces in threaded connection to move at the same time; and the effect of adjusting a sliding block can be achieved through cooperation with components in the transverse cutting mechanism, so that the effect of moving a second laser cutter can be achieved, the precision is higher when a worker uses the second laser cutter to cut a workpiece, and the workpiece does not need to be adjusted.

The invention discloses a multifunctional emergency cabin. The multifunctional emergency cabin comprises a lifting mechanism, a safety mechanism and a touch screen angle adjusting mechanism, wherein the lifting mechanism is used for controlling ascending and descending of an inlet cabin door and an outlet cabin door; the safety mechanism is used for preventing the inlet cabin door and the outlet cabin door from being impacted with a cabin body when being closed; the touch screen angle adjusting mechanism is used for adjusting the angle of a touch screen; and the lifting mechanism is mounted ona wingspan door, the touch screen angle adjusting mechanism is mounted in the cabin body, and the safety mechanism is fixed to the cabin body. The inlet cabin door and the outlet cabin door are conveniently opened and closed through the lifting mechanism of the multifunctional emergency cabin, the phenomenon that the wingspan door cannot be opened and closed due to obstacles is avoided, meanwhile, buffering can be conducted during opening and closing, the structure is simple, and using is convenient. The wingspan door can be protected by the safety mechanism of the multifunctional emergency cabin. The touch screen angle adjusting mechanism of the multifunctional emergency cabin is simple in structure and convenient to operate, a touch screen body can be subjected to multi-angle adjustingrapidly and conveniently, and the using demands of people are met.

The invention discloses a computer display multi-angle adjusting support, and belongs to the technical field of computers, the computer display multi-angle adjusting support comprises a supporting bottom plate, fixing plates are arranged on one side of the supporting bottom plate at intervals, and a supporting mechanism is arranged on the side face of the supporting bottom plate; an adjusting mechanism used for adjusting the height and angle of the fixing plate is arranged at the end, away from the supporting bottom plate, of the supporting mechanism. The supporting mechanism comprises a supporting assembly used for achieving supporting and damping effects on the adjusting mechanism, a transmission assembly used for being matched with the supporting assembly to achieve the damping effect on the adjusting mechanism, and a buffering assembly used for being matched with the supporting assembly and the transmission assembly to achieve the damping effect on the adjusting mechanism. The transmission assembly is arranged in the supporting assembly. The display support is simple in structure and convenient to use, by arranging the adjusting mechanism, a user can conduct multi-angle adjustment on the display according to actual use requirements, and the support is more user-friendly in use.

The invention discloses a bed multi-angle adjustable atomizer support convenient to install, which comprises a mounting frame, a support plate and a movable frame. Movable mounting mechanisms are mounted at two ends of the mounting frame, a first sliding groove is transversely formed in the front side of the mounting frame, a first sliding block is mounted on the rear side of the support plate, and a second sliding groove is formed in the rear side of the first sliding block. The first sliding blocks are slidably installed in the first sliding grooves, a pair of first supporting frames is fixedly installed on the front side of the supporting plate, a pair of third supporting frames is fixedly installed on the rear side of the movable frame, the third supporting frames are fixedly connected with the two ends of a connecting shaft, and a rotation adjusting mechanism is installed in the middle of the connecting shaft. The movable mounting mechanism is arranged so that the mounting frame can be conveniently mounted on beds of different sizes, the rotary adjusting mechanism is arranged so that the mounting angle of the atomizer can be conveniently adjusted, the transverse distance of the atomizer can be adjusted through sliding connection of the supporting plate and the mounting frame, and multi-angle adjustment on the bed is facilitated.

The invention provides a television support and belongs to the technical field of machines. The problem that the pitch angle fine adjustment of a television is trouble through a prior television support is solved. The support comprises a base structure, a television panel and a supporting arm structure, wherein the television panel is installed on the supporting arm structure through a head rotary structure, the head rotary structure comprises a head rotary block and a head rotary member, the head rotary member is provided with a first through hole and a second through hole, the head rotary block is provided with a third through hole and an arc adjusting hole, the first through hole and the third through hole are connected through a first rotary bolt and a first rotary nut, and the second through hole and the arc adjusting hole are connected through a second rotary bolt and a second rotary nut. When the head rotary member is rotated, the second rotary bolt and the second rotary nut can move in the arc adjusting hole round the first rotary blot so as to form an A adjusting angle. By the aid of the support, angles of the television can be adjusted and the adjustment is convenient.

The invention discloses a spray degreasing device for aluminum-plastic panel processing, and belongs to the field of aluminum-plastic panel processing. According to the spray degreasing device for aluminum-plastic panel processing, an aluminum-plastic panel is positioned and placed on the inner sides of mounting frames, the clamping force of clamping blocks can be conveniently adjusted under the telescoping action of reset rods, a positioning and fixing effect can be effectively achieved on the aluminum-plastic panel under the action of the clamping blocks, and the aluminum-plastic panel can be effectively treated in multiple directions along with the rotation of a rotating shaft; elastic fibers are arranged in cleaning fibers, connecting beads are fixedly installed at the bottoms of the elastic fibers, the elastic strength is high, internal holes of an anti-blocking panel can be effectively prevented from being blocked, and a cleaning effect can be effectively achieved along with the rotation of a connecting rod; and the interior of a connecting bead is of a hollow structure, a nozzle rotates in a spraying block through the connecting bead, then multi-angle adjustment is facilitated, and a sufficient spraying effect can be effectively achieved.

The invention discloses a cargo grabbing device for an industrial robot, relates to the technical field of industrial robots, and solves the problem that an existing device is inconvenient to control the inclination angle of a grabbing structure. A cargo grabbing device for an industrial robot comprises a mechanical arm body. The left side of the mechanical arm main body base is fixedly connected with a hydraulic pump machine; the tail end of the top of the mechanical arm body is provided with a first-stage angle adjusting structure in a hinged mode. The front end of the first-stage hinge seat is provided with a second-stage angle adjusting structure in a hinged mode. A flexible grabbing structure is arranged at the front end of the second-stage angle adjusting structure. The telescopic parts of the four-corner hydraulic cylinders are controlled to stretch out and draw back through a circuit of the control part, the angles of the four sets of inner side plates can be adjusted through cooperation with the supporting frame, and therefore the inclination degree of the angle adjusting disc hinged to the front ends of the four sets of inner side plates can be controlled, and the inclination angle of the flexible grabbing structure hinged to the front end of the angle adjusting disc can be controlled; and multi-angle adjustment on the grabbing structure is facilitated.

The invention discloses intelligent high-definition monitoring equipment for the burden surface of a blast furnace. The equipment comprises a supporting base, a first rotating base, a rotating arm, asecond rotating base, a third rotating base, a fourth rotating base, a mounting base, a supporting plate, an air pressure rod, a cooling clamping base, a rotating plate, a fixing arm, an air nozzle, asprayer and a rotating rod, a first servo motor is installed on the inner top wall of the supporting base, the output end of the first servo motor penetrates through the top wall of the supporting base, and the top portion of the supporting base is provided with the first rotating base. According to the invention, the infrared thermal imager carries out shooting under a high-temperature condition, internal parts of the infrared thermal imager can be damaged after long-time work, the cooling grooves and the telescopic pipes in the cooling clamping bases are connected to form a spiral groove, cooling water is continuously circulated in the spiral groove, heat of the surface of the infrared thermal imaging instrument is absorbed and transmitted to the cooling water in the spiral groove through the heat conduction plate, the temperature of the outer surface of the infrared thermal imaging instrument is reduced, and the service life of the infrared thermal imaging instrument is prolonged.

The invention discloses an anti-car-following interception device with a protection structure for a parking lot. The anti-car-following interception device comprises a main body and a detection mechanism, wherein a display mechanism is installed above the main body, and a main rotating shaft is arranged at the top end of the interior of the main body; and a chain is nested on the outer side of themain rotating shaft. According to the anti-car-following intercepting device with the protection structure for the parking lot, the display mechanism is arranged, through the rotation of an adjustingknob, a display panel starts to rotate along with the rotation of the adjusting knob, the display panel can be conveniently adjusted in the front-and-back direction, through the rotation of a knob, atransmission rotating shaft starts to rotate along with the rotation of the knob, through the rotation of the transmission rotating shaft, the display panel starts to rotate along with the rotation of the transmission rotating shaft, the display panel can be conveniently adjusted by 360 degrees integrally, by means of the arrangement, a user can conveniently perform multi-angle adjustment on thedisplay mechanism, a driver can conveniently observe the display mechanism, the operation is quite easy and convenient, direct irradiation of sunlight to the display panel can be effectively preventedthrough the arrangement of a shielding plate, and the display panel can be conveniently used for a long time.

The invention provides a multi-functional cervical traction device. The multi-functional cervical traction device includes a front cervical support frame and a rear cervical traction collar; the front cervical support frame includes a front cervical collar, a mandible support, two support rods and two retractable rods; the two symmetrically arranged support rods are arranged at the shoulder positions of the left and right ends of the front cervical collar, and the two ends of the mandible support are hinged to the upper ends of the two support rods respectively; one end of each retractable rod is hinged to the front portion of the mandible support, the other end of each retractable rod is hinged to the front cervical collar, and the two retractable rods are arranged on the front cervical support frame in a left-and-right symmetrical mode; the front cervical collar of the front cervical support frame is provided with a carotid-artery compression device; the left and right ends of the rear cervical traction collar are connected with the support rods at the left and right shoulders of the front cervical collar in a buckled mode. The multi-functional cervical traction device integrates the cervical traction function and the control over the blood-supply quantity of the carotid artery, therefore, convenience is brought to patients who synchronously need carotid-artery compression and cervical traction, the purposes of well relieving and treating diseases such patient are achieved, and the practicability of the cervical traction device is improved.

The invention discloses a convenient multi-angle adjustable radar antenna bracket, which includes a base, a first cavity is opened inside the base, the inner top wall of the first cavity is fixedly embedded with a first bearing, and the inner top wall of the first cavity is fixed. The inner bottom wall is fixedly connected with a first forward and reverse motor, the output end of the first forward and reverse motor is fixedly connected with a rotating shaft, and the end of the rotating shaft away from the first forward and reverse motor passes through the first bearing and extends to the top of the base, And the outer surface of the rotating shaft is fixedly connected with the inner ring of the first bearing. The convenient multi-angle adjustable radar antenna bracket can make the bracket more convenient to install and more stable after installation through the cooperation of the installation plate and the installation hole. It is more smooth in the process of preventing the rotation shaft from being stuck during the rotation process, and the radar antenna body can be rotated angularly through the cooperation of the support block and the first pin.

The intelligent control feedback gesture operation system adopting the interactive large screen comprises a protective shell, a lifting plate is slidably clamped to the inner wall of the protective shell, a first power assembly is installed on the outer wall of the top of the lifting plate, a second sliding groove is formed in the outer wall of the top of the lifting plate, and a gear is slidably clamped to the lifting plate through the second sliding groove; a supporting column is mounted on the outer wall of the top of the gear, a supporting frame is connected to the top end of the supporting column, a second power assembly is mounted on one side wall of the supporting frame, the output end of the second power assembly is connected with a transmission shaft, a connecting rod is mounted on the side wall of the transmission shaft, and one end of the connecting rod is connected with a fixing plate; through the arrangement of the first power assembly, the gear, the second power assembly and the connecting rod, the first power assembly drives the gear to rotate to perform rotation adjustment on the interaction equipment, and the second power assembly drives the connecting rod to rotate to perform rotation angle adjustment on the interaction equipment, so that multi-angle adjustment on the interaction equipment is facilitated.

The invention relates to the technical field of medical instruments, and discloses a puncture sampling device for nephrology department nursing, which comprises an elastic bandage and a vacuum pump, two mounting seats are fixed on the elastic bandage, an arc-shaped plate is rotatably mounted between the two mounting seats, a rack is arranged on the outer wall of the arc-shaped plate along the length direction of the arc-shaped plate, and a connecting seat is slidably mounted on the arc-shaped plate; a transmission bin is fixed to one side of the connecting base, a transmission gear is arranged in the transmission bin, and the transmission gear is meshed with the rack; supporting columns are vertically fixed to the two ends of the connecting base correspondingly, a top plate is fixed between the top ends of the two supporting columns, and a movable plate and a mounting plate are further slidably mounted between the two supporting columns and fixedly connected through a connecting rod. The device is convenient to operate, and the sampling needle can be conveniently adjusted at multiple angles, so that the sampling operation of medical personnel is facilitated.

The invention discloses a solar sun-shading shed based on projection monitoring and a control system thereof, and relates to the technical field of solar sheds. The solar sun-shading shed comprises two rectangular bar bottom rails, two U-shaped support frames, an H-shaped lifting structure, a sun shield, a first hydraulic rod and a second hydraulic rod; the two rectangular bar bottom rails are parallel to each other and fixed on the ground; one ends of the two rectangular bar bottom rails are connected by a rectangular support plate; and bottom rods of the U-shaped support frames are rotatablyinstalled on the upper surfaces of the rectangular bar bottom rails. According to the solar sun-shading shed based on the projection monitoring provided by the invention, a projection image of the sun shield on the ground is collected through a high-definition camera, and a controller controls the expansion and contraction of the first hydraulic rod and the second hydraulic rod according to the analysis and processing of the projection image; sunlight is better shielded through the adjusted sun shield, and meanwhile, solar energy can be better collected to supply power to the high-definitioncamera and the controller; and all-weather effective sun-shading of vehicles in the shed can be achieved, and the efficient collection of the solar energy can be ensured for use.

The invention provides a blowing and chip removing device for dry metal cutting machining, and relates to the technical field of metal machining equipment. The dry-type metal cutting machining blowing chip removal device comprises a box body and a blowing head, a workbench is fixedly connected to the interior of the box body, limiting rails are fixedly connected to the two sides of the top of the workbench, an annular guide rail is arranged in the box body, and moving arms are fixedly connected to the two sides of the annular guide rail; a fixing plate used for installing an air blowing head is connected to one side of the interior of the annular guide rail, and a limiting rod is fixedly connected to one side of the fixing plate. According to the dry type metal cutting machining blowing and scrap removing device, the blowing head can conduct circular motion advantageously, waste scraps can be blown and cleaned at different angles, the cleaning effect is good, adaptability is high, operation is convenient, the height of the annular guide rail can be rapidly adjusted advantageously, and therefore multi-angle adjustment of the blowing head can be facilitated, and the cleaning effect is improved.