203results about How to "Realize distance adjustment" patented technology

The invention relates and belongs to the field of terahertz time-domain spectroscopy diagnostic technique, in particular to a terahertz spectrograph and a terahertz transceiver probe (b). (/b) The technical problems to be solved are as follows: the existing terahertz time-domain spectroscopy systems mostly adopt an off-axis parabolic mirror to implement the space transmission for terahertz pulses, and have complex structures, long optical paths and weak stability, so that the energy utilization rate of terahertz waves is low. Against the existing problems, the invention provides the terahertz spectrograph and the terahertz transceiver probe; laser emitted by a laser is converted to detection light and pump light through a terahertz converter; then, the detection light and the pump light output by the terahertz converter are received through the terahertz transceiver probe so as to implement the sample reflection type detection and transmission type detection to obtain sample spectral information. The problems of complex structure and large volume of the existing terahertz spectrographs in the prior art are solved. Further, the defects of large volume and low utilization efficiency of terahertz energy of the existing terahertz transceiver probes are solved. The terahertz spectrograph comprises the laser, the terahertz converter, the terahertz transceiver probe and the like. The terahertz spectrograph and the terahertz transceiver probe are applied to the terahertz spectral imaging and diagnose application fields.

The invention relates to the related technical field of rust removal, in particular to a double-side polishing device for steel plate rust removal, and the device comprises a base and a top plate fixedly connected with the base through a bracket; and two grinding rollers are arranged between the base and the top plate, the lower ends of the two grinding rollers are respectively and rotatably arranged on the two bearing blocks, and the two bearing blocks are connected with a driving component arranged on the base, wherein the upper end of a rotating shaft of one grinding roller penetrates through a transmission cavity on the top plate and is fixedly connected with an output shaft of a first motor, and the portion, on the inner side of the transmission cavity, of the rotating shaft of the grinding roller is rotatably connected with a rotating shaft on the other grinding roller through a transmission assembly. The double-side polishing device for steel plate rust removal has a novel design, realizes the distance adjustment between the two grinding rollers and the rust removal treatment of different steel plates by driving the bearing blocks to move towards each other or in the opposite directions when the arranged driving component works, and has wide application range, and meanwhile, the transmission assembly keeps the continuous transmission effect when the two grinding rollersare adjusted towards or away from each other.

The invention relates to the related technical field of road construction equipment, in particular to a joint cutting mechanism for road construction and a joint cutting machine. The upper ends of thetwo side plates are connected through a top plate; a rotating shaft driven by a driving assembly to rotate is arranged at the position below the top plate; wherein the rotating shaft is sleeved withtwo sleeves which can only horizontally slide along the rotating shaft and are used for fixing the cutting knife, the two sleeves are symmetrically arranged relative to the central axis of the rotating shaft, rotating rings hinged to the adjusting assembly are rotationally installed on the sleeves, and when the adjusting assembly is triggered, the two sleeves move oppositely or oppositely. The device is novel in design, the rotating sleeve rotates to drive the threaded rod to rotate, the threaded rod moves in the vertical direction under the action of the threaded sleeve when rotating, the threaded rod drives the rotating ring and the sleeve to move under the action of the mounting plate and the connecting rod when moving up and down, and therefore distance adjustment between the two cutters is achieved, and different joint cutting requirements are met.

The invention discloses an arm fixing device for transfusion of a hospital patient. The device comprises a transverse plate, mounting holes, screw rods, bearing blocks, screw sleeves, connecting rods,sliding holes, clamping plates and a lifting device, wherein the lower end of the lifting device penetrates through the transverse plate, and the lower end of the transverse plate is installed on a supporting base; an insertion hole is vertically formed in the center of the supporting base, and a bottom plate is arranged at the lower end of the supporting base; the lower end of the lifting deviceis inserted into the insertion hole, the lower end of the lifting device is installed on the bottom plate, and a base is arranged at the lower end of the bottom plate. The arm fixing device is reasonable in structure; the screw rods and lead screws are arranged so that the arm can be fixed when the arm needing transfusion is located between the two clamping plates, people are prevented from moving suddenly during transfusion, transfusion is not hindered, and the arm fixing device is particularly suitable for children to use; the height of a supporting plate can be adjusted so that the stability of the arm during transfusion can be guaranteed to a large extent, and safe transfusion is ensured.

The invention discloses a novel clinical bronchus support device for the pediatric department, belonging to the technical field of medical instruments. The novel clinical bronchus support device comprises shoulder pressing plates used for pressing the shoulders, armpit positioning blocks are connected to the lower end faces of the shoulder pressing plates in a sliding mode, arm hoop mechanisms arefurther arranged, each arm hoop mechanism comprises two arc-shaped clamping plates which are mounted on a same sliding block with the corresponding shoulder pressing plate, head pressing blocks usedfor pressing the head are further arranged, and each head pressing block comprises a forehead pressing plate and a head side baffle perpendicular to the forehead pressing plate; a plurality of slidingblock mechanisms and sliding chute mechanisms are adopted, so that the adjustment on the position and distance of the shoulder pressing plates, the armpit positioning blocks, the arm hoop mechanismsand the head pressing blocks is realized; meanwhile, adjusting rods and lifting rods are adopted for adjusting the height of the shoulder pressing plates, the armpit positioning blocks and the head pressing blocks. The novel clinical bronchus support device for the pediatric department can realize relatively comprehensive indirect fixing for the neck of a patient, the fixing effect is good, the bronchus operation can be conveniently carried out or the stability of an air delivery pipe can be conveniently maintained; the device has a relatively comprehensive adjusting function and is wide in application range.

The invention discloses a copper wire bending machine. The copper wire bending machine comprises a box body, wherein a conveying plate is mounted on the front side of the box body; a conveying grooveis formed in the conveying plate; driving shafts are mounted on the front side of the box body in a penetration manner; conveying wheels are mounted at the outer ends of the driving shafts; adjustmentgrooves are formed in the front side of the box body; height adjustment components are mounted at the upper end of the box body; the bottom ends of the height adjustment components are rotatably connected with sliding blocks; pressing wheels are mounted in the sliding blocks through rotating shafts; a bearing plate is mounted on one side of the box body; a bearing shaft is mounted on the outer side of the bearing plate; a rotating disc is mounted on the outer side of the bearing shaft through a bearing; a bending component and a cutting component are mounted on the surface of the rotating disc. The copper wire bending machine has the beneficial effects that copper wires can be automatically conveyed, bent and cut, the cooper wires can be repeatedly bent at multiple angles, high and low positions of the sliding blocks can be adjusted by the height adjustment components, and the processing requirements of the copper wires with different diameters can be met by adjusting the distances between the pressing wheels and the conveying wheels.

The invention provides a garbage can cleaning device and belongs to the technical field of environmental sanitation. According to the technical scheme, the device comprises a support base, and the support base comprises a base body and a side placement plate; a cleaning mechanism is arranged on the outer side of the side placement plate. The garbage can cleaning device has the advantages of being simple in structure, simple in operation and capable of cleaning larger, middle and small garbage cans of different types, the cleaning device can be operated only by one person, the labor is saved, the labor efficiency is improved, and therefore, it is ensured that a very good promotion effect on the sanitation of the garbage cans is achieved.

The invention discloses a height-adjustable lifting support which is used for being assembled on a working table top to achieve the standing and sitting dual purposes. The height-adjustable lifting support comprises a fixedly-arranged lifting rod and a working table which is connected to the lifting rod and vertically moves along with the lifting rod. The working table comprises a fixed piece fixedly connected to the lifting end of the lifting rod and a sliding working plate capable of extending out of the fixed piece in a sliding mode. The height-adjustable lifting support can be conveniently arranged or installed on an existing office table, the lifting rod and the working table are folded when a user sits down, the lifting rod and the working table are unfolded when the user stands, and switching between the standing use state and the sitting use state can be conveniently achieved accordingly; the structure is simple, and use is convenient.

The invention discloses a thin film slitting device based on a macromolecule material. The thin film slitting device comprises an unwinding roll, an adjustable slitting mechanism and a winding roll, wherein the unwinding roll and the winding roll are respectively and rotationally connected with a bracket; the adjustable slitting mechanism is arranged between the unwinding roll and the winding roll, and is connected with electric telescopic rods which are symmetrically arranged at front side and back side; the adjustable slitting mechanism comprises a motor, fixed plates, slitting knives and aplurality of abutting plates; a rotary shaft is arranged between the two fixed plates; the multiple butting plates are arranged at the outer side of the rotary shaft along the circumference direction;the outer side of each abutting plate is clamped with the corresponding slitting knife. The thin film slitting device has the advantages that the design is novel; the adjusting rod is driven by an adjusting button to rotate, and drives a threaded sleeve cylinder to drive a sleeve ring to do face-to-face movement or opposite movement; in the face-to-face movement process of the sleeve ring, the abutting plates can be diffused; in the opposite movement process, the abutting plates can be approached, so as to adjust and replace the positions of the slitting knives, adjust the distance between the multiple slitting knives, and meet the different slitting width requirements.

The invention discloses an optical, mechanical and electrical multifunctional simulated gunnery training checker which comprises a gun body and a trigger percussion integrated unit. The gun body is a cuboid frame pipe. The trigger percussion integrated unit is located in the frame pipe and fixedly connected with the frame pipe. A gravitation gear and a compression bar rack frame in the trigger percussion integrated unit are meshed with a rack arranged opposite to a percussion body, so the compression bar rack frame and the percussion body can move relative to each other by two folds, and a piezoelectric plate can move relative to a percussion compression bar by one fold; consequently, the two-flame gravitation of a trigger is changed substantially, and the function and effect of expanding the adjustment range of the gravitation limit of the trigger within a limited adjustment range is achieved.

The invention relates to a winding machine spindle clamping device which comprises an upper supporting rod, a lower supporting rod and two clamping modules. Every clamping module comprises a beam, a spring piece, a bolt and a nut, wherein one end of the beam far away from the supporting rods is provided with a small hole, the diameter of the small hole is smaller than that of the head of the bolt, the bolt penetrates the small hole to be fixed on the beam through the nut, the spring piece is fixed on the beam, the spring piece and the head of the bolt are located on the same side of the beam, the top end of the spring piece abuts against a threaded rod of the bolt, and the middle of the spring piece abuts against the head of the bolt. The spring pieces of the two clamping modules are oppositely arranged between the two beams. By adjusting the height of the upper supporting rod, the distance between the two clamping modules is adjusted; by additionally arranging the bolts between the spring pieces, elasticity of the spring pieces is improved by utilizing the working principle of an expansion screw and external force, the service life of the whole device is longer, a spindle is clamped more stably, the device is simple to operate, the applied range of the device is increased, and working efficiency is improved.

The invention discloses a light stimulus device. The light stimulus device comprises two stimulation needles, and two ends of each stimulation needle are respectively a stimulation end and an electric connection end. The stimulation ends are provided with LED used for the light stimulus, and the electric connection ends are provided with electric connection contacts, which are electrically connected, and are used to supply the LED with power. A fixing rack is provided, and has two fixing parts, a spacing between which is adjustable. The electric connection ends of the two stimulation needles are disposed on corresponding fixing parts, and each fixing part is provided with a power supply contact, which is cooperated with the corresponding electric connection contact to form the electric connection. By adopting the implantable type optogenetics double-side LED stimulation needles, the spacing between the two LED stimulation needles can be adjusted at will according to different positions of target nucleuses of a simulated object head part, and therefore loss of light in an optical fiber caused by a distance is reduced. By adopting the small power LED lamp, service lifetime is prolonged, and optical coupling efficiency is improved.

The invention discloses a positioning and clamping device for welding arc plates. The positioning and clamping device comprises a fixing bottom plate, wherein two sliding bearing plates are slidably installed at the upper end of the fixing bottom plat; two fixed bearing columns are installed on the inner side surface of each sliding bearing plate; two arc adjusting grooves penetrate through the surface of each sliding bearing plate; and a sliding shaft is slidably installed in each arc adjusting groove; the two ends of each sliding shaft are respectively provided with a limiting plate and an adjusting plate; the surfaces of the limiting plates are provided with locking assemblies for positioning and locking the limiting plates and the sliding bearing plates; the adjusting plates are closeto the fixed bearing columns, and a fixed baffle and a movable bearing column are arranged on the surface of each adjusting plate; and pressing assemblies are arranged on the inner side surfaces of the sliding bearing plates. The positioning and clamping device for welding the arc plates has beneficial effects that by adjusting the positions of the adjusting plates and the sliding bearing plates,the use requirements of the arc plates with different arc lengths and lengths can be met, and the device is wide in application range and good in use effect.

The invention discloses a muscle retraction auxiliary apparatus which comprises a supporting table, a first base arranged at the bottom of the supporting table, a placement platform arranged on the supporting table, a left side plate arranged on the supporting table, a right side plate arranged on the supporting table, a first vertical plate arranged on the left side of the upper surface of the supporting table, and a second vertical plate arranged on the right side of the upper surface of the supporting table. Supporting pieces are arranged at the two ends of the placement platform. By designing the left side plate, the right side plate and the placement platform, different platforms can be formed for patients according to different patients, adjustment is convenient, and efficiency is improved; through the supporting effect of the supporting pieces on the left side plate and the right side plate, the firmness of the supporting plate surface formed by the left side plate and the rightside plate is increased, and the muscle retraction auxiliary apparatus is more reliable in use; the distance between the first vertical plate and the second vertical plate can be adjusted according to different patients, and the muscle retraction auxiliary apparatus is more convenient to use.

The invention discloses an adjustable instrument and apparatus hanger device, and relates to the technical field of instrument and apparatus hanger devices. The device comprises a bottom plate, two stand columns are symmetrically mounted on the bottom plate, a column-shaped guide rod is clamped between the bottoms of the two stand columns, an adjusting plate is clamped between the tops of the twostand columns, the adjusting plate is of a U-shaped structure, the adjusting plate is composed of a transverse plate and two side plates, two threaded holes are symmetrically formed in the transverseplate, an adjusting mechanism is slidably connected between the two side plates, the adjusting mechanism comprises a moving plate and a screw rod, threaded rods matched with the threaded holes are symmetrically and rotationally connected to the back surface of the moving plate, the side faces of the moving plate are connected with the side plates in a sliding mode, and the front face of the movingplate is connected with the screw rod through a fixing block. According to the adjustable instrument and apparatus hanger device, a screw nut is adjusted by the screw rod, the adjusting mechanism isadjusted by the threaded rods, and the column-shaped guide rod, the adjusting plate and a clamping groove cooperate with one another, so that inclination angle adjustment and installation of instruments and apparatus with different sizes are realized, the instruments and apparatus can be conveniently installed by people, and the instrument and apparatus measuring accuracy is improved.