101results about How to "Easy to adjust freely" patented technology

The invention discloses a surrounding type control mechanism for a cooling system. The surrounding type control mechanism for the cooling system comprises a ring-shaped guide rail, a movement mechanism and spray heads, wherein the ring-shaped guide rail is fixed on a machine tool through a bracket; the center of the ring-shaped guide rail is concentric with a main shaft of a numerical-control machine tool; the movement mechanism can be moveably arranged on the ring-shaped guide rail; the spray heads rotating up and down around the movement mechanism are connected with an electromagnetic reserving vale and arranged on the movement mechanism. According to the surrounding type control mechanism disclosed by the invention, through the ring-shaped mechanism, the spray heads rotate around the tool by 360 degrees, so that the mechanism size is reduced, and all-around jetting is realized; a motor controls the directions of the spray heads and controls the spray heads to rotate, so that the quantity of the spray heads is reduced, the usage amount of a cooling liquid is reduced, jetting without a dead corner is realized, and the cooling effect is greatly improved.

The invention discloses a multifunctional power field transmitting facility, and mainly relates to the field of power facility planning. The multifunctional power field transmitting facility comprises rectangular frames hooked and hung on cables. Triggering baffles are hinged to the positions of openings of the rectangular frames. The inner ends of the triggering baffles press rubber clamping blocks with compression springs. A connecting plate is arranged below the rectangular frames and provided with a feeding platform. The feeding platform is provided with rubber belt tracks used for clamping and pushing the cables. Bearing pulleys are arranged below the connecting plate, the cables are wound around the bearing pulleys, the lower ends of the cables are wound around fixed pulleys, and the cables are provided with a lifting hopper. The fixed pulleys are installed on a fixing plate, and inserting columns are arranged on the bottom face of the fixing plate. The multifunctional power field transmitting facility further comprises fixing columns matched with the inserting columns. Spearheads capable of ascending and descending are arranged at the bottom ends of the fixing columns, and trundles are arranged on one sides of the fixing columns. The multifunctional power field transmitting facility has the beneficial effects that the cables can be stably pushed from the high position, conveying of objects and the cables between the high position and the ground can be finished, and the self-conveying function is achieved as well.

The invention discloses a traveling-wave regenerative-feedback oscillation system, belonging to the technical field of vacuum electrons. The oscillation system consists of noise, an electronic gun, an electron beam converging module, an isolator, a slow-wave circuit, a coupler, an attenuator, a phase shifter and a radio-frequency output module. Electron beams generated by the electronic gun are converged, and then acts mutually with the noise passing through the slow-wave circuit; amplified signals are output by the coupling end of the coupler and pass through the attenuator and the phase shifter, and the signals with the amplitude and the phase changed by the attenuator and the phase shifter act mutually with the noise and the electron beams again; and circulating so, the signals can pass through the coupler and are outputted by the radio-frequency output module, so that required radio-frequency signals are generated. The traveling-wave regenerative-feedback oscillation system disclosed by the invention overcomes the defects of difficult adjustment and instability of the output frequency in the prior art, has the advantages of high power and efficiency, low cost, small size, easy processing and implementation and the like, and has obvious advantages from submillimeter waves to the terahertz frequency band.

The present invention discloses an adjustable multi-shaft borer device that is extensively applicable to the field of hole machining. The adjustable multi-shaft borer device comprises a driving big gear (1), driven pinions (2), a main gear shaft (3), a pinion shaft (4), a big gear fixing bearing (5), pinion fixing bearings (6), a fixed support plate (7), tripods (8), transmission links (9), link transmission connecting shafts (10), a baffle plate (11), an L-shaped fixed iron piece (12), a drill bit (13), and a motor (14). The driving big gear (1) is connected to the motor (14) to put the whole device in motion; the driving big gear (1) is peripherally and uniformly engaged with three or more driven pinions (2); when the driven pinions (2) rotate, three or more tripods (8) are put into rotation; a drill rod and the corresponding drill bit are fixedly connected to the middle of the tripod (8) at the outermost end; and the whole adjustable multi-shaft borer device is thus formed. The adjustable multi-shaft borer device has the characteristics of simple structure, achievable wide-range adjustment of the position of the drill bit, and the like.

The invention discloses a multi-viewpoint image correction method for a parallel panoramic camera array. The method comprises the following steps: S1, extracting and matching feature points of viewpoint images: detecting sufficient SIFT (Scale Invariant Feature Transform) feature points to be matched from a plurality of viewpoint images, and determining positions and scales of the feature points; S2, accurately positioning key points: acquiring accurate positions, scales and curvature ratios by fitting surrounding data of determined feature candidate points; S3, correcting pairwise adjacent multi-viewpoint images according to selected refined matching point information; S4, projecting the multi-viewpoint images to a public correction plane; S5, generating a description vector; S6, matching features: determining corresponding feature point relationships in pairwise adjacent images; and S7, removing noise points from the extracted matched feature points in each three-dimensional pair by an improved RANSAC (Random Sample Consensus) refining algorithm. The method has a reasonable design and high feature matching performance, and contributes to increase of the parameter resolving accuracy and the multi-viewpoint image correction efficiency of the panoramic camera array.

The invention relates to a motor vehicle manual-automatic exchanging gear shifting device, comprising an automatic gear shifting device and a manual gear shifting device; wherein; a gear shifting slot is arranged at the central section of the manual gear shifting device and a plurality of gradually interleaving incremental gear shifting holes are arranged at both sides; the gear shifting slots of the manual gear shifting device and the automatic gear shifting device are communicated at the automatic forward speeding gear of the automatic gear shifting device. When the regulating rod is moved to the gear shifting slot of the manual gear shifting device from the automatic forward speeding gear, the transmission remains the automatic forward speeding gear; a time delay device is arranged in the direction of the regulating rod moving from each gear shifting hole to the gear shifting slot; when the regulating rod has just moved from a certain gear shifting hole into the gear shifting slot, the transmission remains the previous gear at first; if the regulating rod does not move to other gear shifting holes in the set time, the transmission changes into automatic forward speeding gear; if the regulating rod moves to another gear shifting hole in the set time, the transmission adjusts to the corresponding gear. By combining the motor vehicle automatic gear shifting and the manual gear shifting, the motor vehicle manual-automatic exchanging gear shifting device has the advantages of enabling users to choose the better operation mode from manual control and automatic control and enjoying more fun in driving.

The invention discloses a modularized analog simulation experiment device achieving rapid installation, excavation and disassembly and an operating method of the modularized analog simulation experiment device. The experiment device comprises a plurality of experiment frame modules which can be combined on a foundation base to form a cube structure; each experiment frame module comprises an adjusting base beam installed on the foundation base, the two sides of the adjusting base beam are each vertically provided with a vertical arm, and the top ends of the vertical arms are connected through a cross beam; baffles are installed between every two corresponding vertical arms at different heights, the module spaces formed through partition of the baffles are densely provided with excavation layer replacing devices, and the experiment frame modules are connected and fastened through side baffles installed on the side faces of the vertical arms; the experiment frame modules are filled with similar analog experiment materials, the outer surfaces of the excavation layer replacing devices are marked with scales, the excavation layer replacing devices can be pulled outwards, and excavation of the analog simulation experiment materials is achieved by pulling the excavation layer replacing device outwards. The invention further discloses the operation method of the modularized analog simulation experiment device. The modularized analog simulation experiment device has the advantages that the size is adjustable, and installation, laying, excavation and disassembly are rapid.

The invention discloses a two-dimensional analog simulation experiment device used for simulating big excavation space. The device comprises a supporting system, a lifting system and a self-moving guide track system, wherein a protecting plate is connected with a base through stop levers, front and rear support plates are fixedly connected with the protecting plate through nuts, and resistance strain gages in different directions are attached to the front and rear support plates and connected with wires; one end of each support top rod is connected with one of the front and rear support plates, the other ends of the support top rods are connected with drive gears, two ends of each drive rod are connected with one drive gear and one brake gear respectively, the brake gears are connected with cranking handles, the cranking handles are fixed on external buckles, two ends of the base and slide tracks are connected through clamping port type sliders, two ends of each slide track are connected with the external buckles, and the external buckles are connected with vertical walls of two ends of an experiment table through fastening parts. The controllability, the fineness and the experiment standardability in the experiment process are improved, the experiment time is shortened, the experiment operators are reduced, and the cost is saved.

The invention relates to the field of medical care, and particularly discloses a blood sampling bracket capable of being freely adjusted and used in a blood station. The blood sampling bracket comprises a U-shaped seat, a telescopic rod, a top plate, a bearing seat, an arm placing groove, a splint and a clamping bolt, wherein a vertical height adjusting bolt is mounted on the top plate through threads; a dragging rope is fixedly tied to the lower end of the height adjusting bolt; the other end of the dragging rope is fixedly connected to the bearing seat; the arm placing groove which adopts ahorizontal cylindrical structure is formed in the bearing seat; an operation opening which penetrates downwards is formed in one end of a blood sampling end; a horizontal limiting rod is fixed to theside wall on one end of a protecting end; and an arc-shaped baffle is fixed to the U-shaped seat. According to the blood sampling bracket disclosed by the invention, through the dragging rope, the horizontal direction of the bearing seat can be changed, so that the blood sampling bracket is convenient for medical personnel to freely adjust according to blood sampling requirements, the blood sampling bracket is convenient to operate and use, and the comfortableness of people needing blood sampling is guaranteed; and the bearing seat which can rotate in direction can be supported under the effect of the limiting rod and the baffle, so that the using of the bearing seat is more stable.

The invention discloses a steel-structure welding working platform. The steel-structure welding working platform comprises a platform body, tracks installed on the platform body, at least two rolling wheel devices located on the same track, a vertical index head mechanism and a liftable workbench. The index head mechanism and the rolling wheel devices are located on the same straight line. The liftable workbench can move on the platform body and is located beside the rolling wheel devices. The tracks comprise the first track and the second track which are in parallel. The rolling wheel devices are located on the first track. The vertical index head mechanism is fixed to the platform body and located at the end of the first track. The liftable platform is movably located on the second track. According to the steel-structure welding working platform, the two rolling wheel devices are used for bearing and overturning a round pipe to be machined, and therefore the positions, at different angles and different heights, of the round pipe can be machined on the same plane, machining is convenient, time and labor are saved, production efficiency is improved, and the safety accident rate is greatly reduced.

An energy-saving material stacking and carrying device is disclosed. A base is arranged at the bottom of the device body, A carrier tank is mounted on the top of the base, A tank door is mounted on the front side of the tank, the outer side of the carrier tank is provided with a housing, At both end of that top end of the housing are mount electric pushrods, A placement chamber is mounted on the inner side of the housing, a receiving groove is provided inside the placing chamber, A moving plate is mounted on the top end of the receiving groove, a first suction cup is mounted on the bottom endof the moving plate, both ends of the moving plate are provided with convex plates, a fixing plate is mounted on the bottom end of the receiving groove, A cushion is mounted on the top end of the fixing plate, Support rods are mounted on both sides of one end of the base, the top end of the strut is hinged with a folding handle, The bottom of the base is provided with a shock-absorbing caster wheel, and the top of the moving plate is provided with a plurality of expansion springs, which are flexible in expansion and contraction, convenient for moving the moving plate, and convenient for free adjustment of the space of the accommodating groove to install energy-saving glass with different thicknesses, thus widening the applicable range of the device body and improving its practicability.

The invention relates to a test detection frame for tempered glass, in particular to a glass detecting frame with a worm wheel aperture linked camera shooting chromium alloy wheel slide way corner clamp.The glass detecting frame is characterized in that a transmission worm wheel is further fixed to a turning plate rotating shaft on one side and matched with a worm shaft, the two ends of the worm shaft are fixed inside worm supporting bases respectively in a rotatable mode, the worm supporting bases are fixed to the outer side faces of corresponding supporting side plates, and a worm crank handle is arranged at one end of the worm shaft; an aperture camera shooting assembly comprises an aperture camera shooting rotating disc and an aperture camera shooting inclined handle, and an industry camera is arranged on the front face below a camera end; a round fluorescent tube is arranged on a horizontal aperture frame, an inclined handle fixing joint is arranged on the aperture camera shooting inclined handle, a transverse rod fixing joint is arranged on an impact transverse rod, a transverse rod universal joint is connected with an inclined handle universal joint through a linkage connecting rod, and an air cylinder impactor is fixed to the impact transverse rod in a sliding mode.By the adoption of the wheel slide way corner clamp assembly, quadrilateral glass of different specifications and dimensions and different clamping angles can be continuously adjusted to be fixed.

The invention relates to a tempered glass testing and detection framework and provides a glass detection framework with a molybdenum alloy screw, a halo camera, a hydraulic mechanism, a turning plate, an inclined sliding groove and a clamp. As an improvement, an inclined sliding tank corner clamp assembly is fixed on the upper plane of the testing turning plate, a T-shaped guide rail is arranged in the center of the lower plane at the rear end of the testing turning plate, and the hydraulic execution mechanism is arranged between the T-shaped guide rail and a supporting bottom plate. By means of a transverse rocker, a transverse gear is driven to rotate forwards or reversely so that the industrial camera can move left and right. A longitudinal rocker drives a longitudinal gear to rotate forwards or reversely so that the industrial camera can move front and back. A lifting motor drives the vertical screw to rotate to drive a nut sliding block face to move up and down, and finally any three-dimensional movement of the industrial camera can be achieved. A transverse rod universal joint and an inclined handle universal joint are connected through a linkage connection rod to achieve linkage, and operation efficiency is improved. By means of the inclined sliding tank corner clamp assembly, quadrangular glass in different specifications and sizes and with different included angles can be continuously adjusted to be fixed.

The invention provides a vertical shaft traction cable clamp with guiding and avoiding functions. The vertical shaft traction cable clamp comprises at least one group of clamp single-pieces, wherein each clamp single-piece comprises a hollow housing and a clamp body; the clamp body comprises a cable clamp and a steel wire rope clamp; a housing comprises a circular table body and a cylindrical barrel; each cable clamp comprises a U-shaped bolt, an arc-shaped board and angle steel; and each steel wire rope clamp comprises a single line clamp which is in one-to-one correspondence to the U-shaped bolt. According to the technical scheme applied by the invention, the vertical shaft traction cable clamp has the beneficial effects that: firstly, the integral structure is simplified, and space usage is small; secondly, the housing achieves the dual effects of protecting and guiding, i.e., the housing achieves the protecting effect for the clamp bodies arranged inside the vertical shaft traction cable clamp; and by virtue of the design of the circular table body, the housing can effectively avoid horizontal barriers along the conical surface of the housing, so that quick hoisting of cables is realized; and thirdly, by virtue of the structures of the cable clamps as well as a combined design of the cable clamps and the steel wire rope clamps, damages to the cables in a hoisting process can be reduced to the greatest extent, and the safety and hoisting speed in the hoisting process can be improved.

The invention discloses an optimized clinic operative apparatus for the orthopedics department. The operative apparatus comprises a base plate, vertical supporting plates vertically arranged are welded to the two top sides of the base plate, and a slide transverse rod and a threaded transverse rod which are parallel are connected with the two vertical supporting plates; a rotary handle is connected to one end of the threaded transverse rod, the rotary handle is located on the outer end surface of one vertical supporting plate, and two movable vertical plates arranged oppositely are connected with the slide transverse rod and the threaded transverse rod; fixed supporting plates are arranged on the tops of the movable vertical plates, and flexible protective mechanisms are arranged in the fixed supporting plates and comprise flexible plates arranged in the fixed supporting plates; connecting blocks are arranged at the bottoms of the flexible plates, and flexible long rods are rotatably connected to the two sides of the bottom of each connecting block. The operative apparatus is reasonable in layout, can be adjusted according to the treating requirements of a patient, can protect thepart, needing to be treated, of the patient in the treating process, and effectively improves the comfort of the patient and the treating quality of the orthopedics department, and the apparatus is worthy of popularization.

The invention discloses a surrounding cooling system control mechanism, which comprises a circular guide rail, a motion mechanism and a nozzle. On the guide rail; the nozzle that rotates up and down around the movement mechanism is connected with the electromagnetic reversing valve and arranged on the movement mechanism. The mechanism realizes the 360° rotation of the nozzle around the tool through the ring mechanism, reduces the volume of the mechanism, and realizes all-round spraying; controls the orientation and rotation of the nozzle through the motor, reduces the number of nozzles, reduces the amount of coolant used, and realizes spraying without dead ends, greatly Improve cooling effect.

The invention discloses a welding device applied to an aluminum die-casting automobile engine pipe fitting. The welding device specifically comprises a base and two sets of supporting plates; a fixed support and a sliding support are arranged at the two ends of the top of the base respectively, the bottom of the fixed support is fixedly connected with the top of the base, a sliding way is formed in the top of the base, and the bottom of the sliding support extends into the sliding way and is in sliding connection with the inner wall of the sliding way; one side of each supporting plate is fixedly connected with a clamping device, and the two sets of supporting plates are symmetrically distributed on the fixed support and the sliding support; and each clamping device includes a fixed sliding way, wherein a sliding sleeve penetrates through and is fixedly connected with the top of the fixed sliding way. The welding device applied to the aluminum die-casting automobile engine pipe fitting is easy to operate, can adapt to pipe fittings with different diameters, does not need to be provided with multiple sets of clamping devices, saves cost, is better in clamping effect, avoids waste caused by overall replacement, and saves maintenance cost.

The invention relates to a tempered glass test and check device, in particular to a glass detection device with a titanium alloy screw, a ring camera shooting handle overturning plate and a round track clamping plate. As improvements, a round track corner clamping plate assembly is fixed to the upper plane of a test overturning plate, an overturning plate handle is positioned on the facade of the rear end of the test overturning plate, and the handle ends of the two arc ends are fixed to the facade of the rear end of the test overturning plate. A transverse crank handle is adopted to drive a transverse gear to perform forward and reverse rotation, so that an industrial camera moves in a left-right mode. A longitudinal crank handle drives a longitudinal gear to perform forward and reverse rotation, so that the industrial camera moves in a front-rear mode. A lifting motor drives a vertical screw to rotate and drives a nut sliding block surface to move up and down, and finally the industrial camera performs three-dimensional random movement. A universal joint of a cross rod is connected with a universal joint of an inclined handle through a linkage connecting rod to perform linkage, and the operation efficiency is improved. The round track corner clamping plate assembly is adopted, so that quadrilateral glass of different sizes and different included angles can be continuously adjusted to be fixed.

The invention relates to a lighting lamp, in particular to an LED point light source lamp for building brightening decoration. The LED point light source lamp comprises a lamp body (3) which is movably connected to a base (6), and a light source board (7) is arranged on the lamp body (3); LED lamp beads (2) and a driving circuit are arranged on the light source board (7), and wire passing grooves (8) allowing wires (4) of the light source board to pass through are formed between the lamp body (3) and the base (6); and conductive electrodes (5) are led out of the lower portion of the light source board (7), and under the external force effect, the conductive electrodes enter the wire passing grooves (8) and are connected with the wires (4). The acupuncture-shaped electrodes are adopted to puncture wire insulation layers to be electrically connected with the wires to get electricity, and a traditional method that the wires are welded to the electrodes of the light source board through an electric soldering iron is improved; the light source board is fixed to the lamp body through the electrodes, and the trouble of screw fixing is removed; meanwhile, free adjustment of a gap between lamps in the cascading process is further facilitated, and the requirement of a building of a special structure for decoration is met.

The invention discloses a popularization display device, and relates to the technical field of display equipment. The popularization display device comprises a base; a lifting device which is arrangedon the base; a first clamping plate which is arranged on the lifting device and can be driven by the lifting device to ascend and descend; a second clamping plate which is arranged on the first clamping plate and can move in the direction close to or away from the first clamping plate; a display stand which is arranged between the first clamping plate and the second clamping plate, can be clampedor loosened and is internally provided with an accommodating groove; and a display plate which is arranged in the accommodating groove and can move along the accommodating groove to extend out of thedisplay stand. The popularization display device has the advantages that the height of the display stand can be adjusted through the lifting device; by arranging the display plate in the accommodating groove, the display area can be increased, and more science and technology content can be displayed conveniently; the display plate can be stored in the accommodating groove to save space when not used; and the distance between the second clamping plate and the first clamping plate can be adjusted, and display plates of different specifications and sizes can be clamped.

The invention provides a portable medical crutch. The portable medical crutch comprises a hollow rod, a screw rod, a micromotor, a movable battery, a nut seat, a fixed bearing seat, a spring, a bottomplate and a silicone rubber protection sleeve. The hollow rod is mounted on a lower end face of a fixed block, the screw rod is arranged inside the hollow rod, the nut seat is arranged on a lower endface of the hollow rod, the micromotor is arranged on an internal upper side of a plastic shell, the movable battery is fixed on an internal lower side of the plastic shell, and by the aid of the design, the problem that the height of an original medical crutch is inconvenient to adjust is solved. The fixed bearing seat is arranged on a lower end face of the plastic shell, the silicone rubber protection sleeve is connected with the fixed bearing seat through a bolt, the bottom plate is mounted on an internal lower side of the silicone rubber protection sleeve, the spring is mounted on an upper end face of the bottom plate and on an internal lower side of the silicone rubber protection sleeve, and by the aid of the design, the problem that the original medical crutch is lack of buffering and spring-back functions is solved. The portable medical crutch has the advantages of reasonable structure, high flexibility and high stability.

The invention provides a magnetometer carrying device for an aeromagnetic system of a fixed-wing unmanned aerial vehicle, and relates to the technical field of unmanned aerial vehicles. The magnetometer carrying device for the aeromagnetic system of the fixed-wing unmanned aerial vehicle comprises a wing, wherein a telescopic mechanism is fixedly connected to the bottom of the wing; the bottom ofthe telescopic mechanism is fixedly connected with a probe jacket; the bottom of the inner wall of the probe jacket is fixedly connected with an adjusting mechanism; the bottom of the adjusting mechanism is fixedly connected with a fixing mechanism; the telescopic mechanism comprises two first support frames and a second support frame; first slide rods are glidingly embedded in the two first support frames; and a second slide rod is glidingly embedded in the second support frame. According to the magnetometer carrying device for the aeromagnetic system of the fixed-wing unmanned aerial vehicle, through elasticity of reset springs, left movable push buttons are fixedly embedded in left fixed grooves; then, the second slide rod at the right side is adjusted to be fixed, so that the goal of conveniently adjusting the height is achieved; the second fixed sleeve at the bottom of the right side is fixedly attached and connected to the bottom of the right side of the probe jacket through screw threads formed on the outer surface of the second slide rod; and dismounting and mounting are convenient.

The invention relates to a tempered glass detection frame and specifically relates to a glass detection frame for an aureole shooting hydraulic turning plate ladder clamp with a molybdenum alloy rack. The improvement is as follows: a ladder rail corner clamp component is fixedly arranged on an upper surface of a test turning plate; a T-shaped guide rail is arranged at the center of a lower surface at the rear end of the test turning plate; a hydraulic executing mechanism is arranged between the T-shaped guide rail and a support base plate; a horizontal motor is used for driving a horizontal gear to positively and negatively rotate, so that an industrial camera is moved left and right; a longitudinal motor is used for driving a longitudinal gear to positively and negatively rotate, so that the industrial camera is moved back and forth; a shooting motor is used for driving a lifting gear to move positively and negatively and a lifting rack to move up and down and the three-dimensional random movement of the industrial camera is finally realized; a cross bar universal joint is connected with an inclined handle universal joint through a linking connecting rod, so that the linkage is realized and the operation efficiency is increased; the ladder rail corner clamp component is adopted for realizing the fixing for the continuous adjustment of quadrilateral glasses in different sizes and included angles.

The invention discloses a mold for displaying a thyroid tiny nodule in the ultrasonic department. The mold comprises an outer frame, a detection support fixed to one side of the outer frame, a translation mobile mechanism arranged in the outer frame, a positioning rotation mechanism which moves along with the translation mobile mechanism and a precise adjustment mechanism which rotates along withthe positioning rotation mechanism. The positioning rotation mechanism comprises a hollow rotation disc arranged in the middle of the outer frame and a three-legged frame welded to one side of the hollow rotation disc, a first motor is installed on the outer wall of the three-legged frame, and a rotation rod is connected to the output shaft of the first motor; a triangular rotation plate is slidingly installed in the hollow rotation disc, one end of the rotation rod is welded to the triangular rotation plate, and the precise adjustment mechanism comprises a micro motor arranged in the three-legged frame and a positioning rotation sleeve sleeving the rotation rod. According to the mold, the mold is quickly adjusted in different orientations, the definite position of the tiny nodule in the thyroid of a patient can be precisely judged, the medical detection quality is improved, and the mold is suitable for popularization.

The invention discloses a liftable work ceiling lamp which comprises an illumination lamp body. A draw wire winding and unwinding device is fixedly connected to the illumination lamp body, and a fixing draw wire is telescopically arranged in the draw wire winding and unwinding device. The fixing draw wire is connected with a ceiling lamp fixing head, and the draw wire winding and unwinding device is further provided with a draw wire winding and unwinding control knob. The fixing draw wire is made of a stainless steel wire, and the draw wire winding and unwinding device is controlled in two directions. Due to the fact that the draw wire winding and unwinding device which can be controlled in the two directions is arranged on the ceiling lamp body of the liftable work ceiling lamp, the ceiling lamp body can be drawn to be low or lifted according to requirements, the height of the ceiling lamp is convenient and free to adjust, and great convenience is brought to smooth work.

The invention relates to a tempered glass test and check machine, in particular to a round abutting forceps glass detection machine with a nickel alloy rack and a ring camera shooting worm gear overturning plate. As improvements, a round track corner abutting forceps assembly is fixed to the upper plane of a test overturning plate, a transmission worm gear is further fixed to an overturning plate rotating shaft on one side and matched with a worm shaft, the two ends of the worm shaft are rotatably fixed into worm supports respectively, the worm supports are fixed to the outer sides of corresponding supporting side plates, and one end of the worm shaft is further provided with a worm shaking handle. A transverse motor is adopted to drive a transverse gear to perform forward and reverse rotation, so that an industrial camera moves in a left-right mode. A longitudinal motor drives a longitudinal gear to perform forward and reverse rotation, so that the industrial camera moves in a front-rear mode. A camera motor drives a lifting gear to perform forward and reverse rotation and can drive a lifting rack to move up and down, so that finally the industrial camera performs three-dimensional random movement. A universal joint of a cross rod is connected with a universal joint of an inclined handle through a linkage connecting rod to perform linkage, and the operation efficiency is improved.

The invention discloses a bicycle, and particularly relates to the field of bicycles. The bicycle includes a main rod, wherein a seat cushion is installed at the top of the main rod, a driving shaft is fixedly installed at the bottom of the main rod, a large sprocket movably sleeves the outside of the driving shaft, a pedal is fixedly installed in the front of the large sprocket, and the outer part of the large sprocket is connected with a small sprocket through a chain in a transmission mode, and the small sprocket is internally and movably connected with a linkage rod in a sleeving mode. A baffles and cross bars are fixedly installed on the left side and the right side of the main rod correspondingly, auxiliary rods are fixedly installed at the other ends of the cross bars, and handles are fixedly installed at the tops of the auxiliary rods. According to the bicycle, by arranging two rear wheels and front wheels, the bicycle forms a state of four-point supporting, and the stability of the bicycle in use is greatly ensured; and by arranging bearings on the top of a second sleeve plate, the front wheels are like a universal wheel structure, freely adjusting the direction of riding is convenient, and flexibility is high.

The invention discloses a supporting device for a software development display screen, and relates to the technical field of software development, and particularly relates to the supporting device forthe software development display screen. The supporting device comprises a base, wherein a telescopic rod is fixedly installed at the top of the base, and a mounting plate is fixedly installed at thetop of the telescopic rod; a first locking screw rod is connected to the side face of the telescopic rod in a threaded and sleeving mode, two clamping plates are fixedly installed at the top of the mounting plate, and a connecting plate is movably installed in the two clamping plates; and a limiting shaft is fixedly installed in the connecting plate. According to the supporting device for the software development display screen, the height of the display screen can be adjusted by rotating the first locking screw rod to release the limitation on the telescopic rod, the deflection angle of thedisplay screen can be adjusted by rotating a second locking screw rod to release the limitation on the limiting shaft and a clamping frame, free adjustment can be carried out conveniently according tothe height and the working position of a software developer, the software developer can clearly observe the content on the upper surface of the display screen, and the working difficulty is reduced.

The invention relates to a tempered glass detection device, i.e. a chromium alloy rack halo camera shooting gear plate turnover inclined leaning plier glass detection device. As improvement, an inclined chute corner leaning plier assembly is fixed on the upper plane of a test turnover plate, a transmission gear is fixed on a turnover plate rotation shaft on one side, and cooperates with a manual gear, and the outer end of a hand wheel cross bar is provided with a hand wheel crank handle. A transverse motor is employed to drive a transverse gear to do forward and reverse rotation, so that an industrial camera can move to the left and right. A vertical motor drives a vertical gear to do forward and reverse rotation, so that the industrial camera can move forward and back. A camera shooting motor drives an elevating gear to do forward and reverse rotation so as to drive a lifting rack to do up-and-down movement, thus finally realizing three-dimensional arbitrary movement of the industrial camera. A cross bar universal joint and an inclined handle universal joint are connected by a linkage connecting rod to realize linkage, and the operation efficiency is improved. Employment of the inclined chute corner leaning plier assembly realizes continuous adjustment of quadrilateral glass for fixation.