215results about How to "Easy spacing adjustment" patented technology

The invention relates to a dammann grating-based femtosecond laser parallel micromachining device with a real-time monitoring function. The device is characterized in that femtosecond laser parallel micromachining is performed on the basis of the beam splitting characteristic of the dammann grating, thus greatly increasing the efficiency of femtosecond laser machining; and a CCD detector is utilized to observe and monitor the machining process in real time. The invention has good application prospect in the aspect of femtosecond laser parallel micromachining.

The invention discloses a wedge-shaped draper-type press filter which consists essentially of a chassis, a pressing area, a driving device, a feeding device, a scrapper assembly, a deviation-rectifying device, a rinsing device and a water receiving device. The structure of the wedge-shaped draper-type press filter is characterized in that the pressing area is a wedge-shaped pressing area with an included angle more than zero degree but less than 15 degrees between an upper filter strip and a lower filter strip; the wedge-shaped pressing area is divided into an upper press area and a lower press area; respective tension band and filter strip of the upper press area and the lower press area are stacked and wrapped outside respective press roll in parallel; the tension band is stuck to the press roll and the filter strip is firmly stuck outside the tension band; the press rolls of two press areas are arranged in a counter pressure way. The draper-type press filter of the invention adopts a single wedge-shaped press area, changes press dehydration technique of the prior art that adopts a plurality of press rolls to enwind and operate in snaking way, realizes that the press roll operates press dehydration in a counter pressure and liner way, greatly reduces the abrasion of the filter strips caused by tension, effectively prolongs the service life of the filter strips and can reduce operation energy consumption of the press filter.

The invention discloses a pipe machining and fixing clamp which comprises a fixing clamp bearing groove, a clamp bearing rack and a pipe fixing ring. The clamp bearing rack is installed on the inner wall of the fixing clamp bearing groove. The pipe fixing ring is installed on the outer wall of the top of the clamp bearing frame. The bottom of an air pressure connecting port is connected with one outer air pressure telescopic arm through an air pressure flow division pipeline. Inner air pressure telescopic arms are installed in inner cavities of the bottoms of the outer air pressure telescopic arms. Pipe fixing clamping grooves are formed in the bottoms of the inner air pressure telescopic arms. By the adoption of the pipe machining and fixing clamp, the air pressure telescopic arms are adopted as pipe clamping mechanisms, and the pipe machining and fixing clamp is effectively made more convenient to use; and meanwhile the multiple clamping mechanisms are adopted, the pipe clamping effect of the pipe machining and fixing clamp is more stable, and pipe machining efficiency is greatly improved.

The distance adjustable liquid nitrogen metal dewar for high temperature superconductive quantum interferometer device (SQUID) includes inner tube, outer tube, neck pipe, cooling finger, distance regulating and protecting system, getter and multi-layer insulator. The dewar has main body made of non-magnetic stainless steel. The high temperature SQUID is adhered outside the bottom of oxygen-free copper cooling finger and the hollow cooling finger is filled with liquid nitrogen, so that the high temperature SQUID can operate in proper low temperature area and may be made to approach the measured matter via regulating the distance between the detecting window and the high temperature SQUID. The sandwiched layer between the inner tube and the outer tube is maintained at vacuum degree of 1E(-4) Pa and the inner tube and the neck pipe are wound with 40 layers of aluminum coated dacron film for heat insulation. Getter is set inside the heat insulator.

Disclosed herein is a sectional three-dimensional model, which can be assembled by use of an independent single type of pieces without requiring several kinds of pieces having different shapes from one another, and achieve a three-dimensional connection of the pieces. The sectional three-dimensional model includes a plurality of spherical pieces, and each spherical piece includes a pair of coupling recesses symmetrically formed in the spherical piece along a center axis of the spherical piece, and a plurality of coupling protrusions integrally formed at an outer surface of the spherical piece to be arranged in directions perpendicular to the coupling recesses, thereby allowing the plurality of spherical pieces to be connected to one another via insertion of the coupling protrusions into the coupling recesses.

The invention discloses a valve polishing device. The valve polishing device comprises a base, a vertical column and a crossbeam. The vertical column is fixedly connected to the upper end of the base,and one side of the vertical column is fixedly connected with the crossbeam. The upper end of the base is fixedly connected with a first clamp, and a second clamp is arranged on one side of the firstclamp; the second clamp is slidably connected with the base; one side of the second clamp is fixedly connected with a second air cylinder; a collecting groove is formed in the surface of the base; adust collector is fixedly connected to the lower end of the base; a fixing frame is slidably connected to the outer side of the crossbeam; and the top of the fixing frame is rotatably connected with pulleys through connecting rods. According to the valve polishing device, the first clamp and the second clamp are arranged, the second clamp is fixedly connected with the second air cylinder, the second air cylinder pushes the second clamp to move, thus the distance between the first clamp and the second clamp can be effectively adjusted, and a valve can be well clamped, so that the valve is prevented from moving when being polished.

The invention discloses an oral medical assistance device. The device comprises a lower arc-shaped plate, a fourth fixed plate is fixed at the front end of the outer side of the lower arc-shaped plate, and a screw hole in the fourth fixed plate is in threaded connection with a second screw rod; the lower end of the second screw rod is fixedly provided with a handle, and the upper end of the secondscrew rod is fixedly connected with an inner ring of a bearing; the bearing is fixed to the lower surface of a first fixed plate through a fixing frame, and the first fixed plate is fixed at the front end of the outer side of an upper arc-shaped plate; arc-shaped clamping grooves are formed in the upper surface of the upper arc-shaped plate and the lower surface of the lower-side arc-shaped plate, the distance between the upper arc-shaped plate and the lower arc-shaped plate is adjusted conveniently, and the applicability of the oral medical assistance device is improved. A medical double-sided adhesive adheres to the jaw of a patient, a water absorption cotton strip adsorbs saliva of the patient, and the comfort level of the patient is improved. A clamping column is used for preventing the upper arc-shaped plate and the lower-side arc-shaped plate from being staggered in the transportation process, so that the safety of the oral medical assistance device is ensured.

The invention relates to assembly type steel structure building installation construction equipment and an installation construction method. The assembly type steel structure building installation construction equipment comprises a top rack, an adjusting mechanism and an alignment clamping mechanism. According to the assembly type steel structure building installation construction equipment and the installation construction method, the following problems existing in the installation process of a steel structure building can be solved; a, in the assembling process of the existing equipment, clamping installation can only be carried out on a steel structure of a certain specification, different equipment needs to be replaced for clamping installation on steel structures of different specifications, the process is complex, the construction period is prolonged, and the efficiency is low; and b, in the installation process of the existing equipment, the steel structure and the building needto be aligned and limited manually, the manual operation accuracy is not high, the danger coefficient is high in the high-altitude operation process of workers, and safety accidents are prone to occurrence.

The invention belongs to the technical field of automobile air conditioners, and discloses an air conditioner heat exchanger flat pipe. The air conditioner heat exchanger flat pipe comprises a flat pipe body and inner fins. The inner fins are of a corrugated structure and are fixed in the flat pipe body. A plurality of heat exchange medium channels are formed by the inner fins and the inner wall of the flat pipe body. The invention further discloses an air conditioner heat exchanger applying the flat pipe. Due to the new flat pipe design, the heat exchange performance can be effectively improved, the refrigerant side resistance is reduced, the flat pipe weight can be better reduced, and integral performance enhancing and lightweight of the heat exchanger product are achieved; and the flatpipe forming and manufacturing difficulty is lowered, and the manufacturability and design application flexibility are improved.

The invention discloses a cleaning device for the inner wall of an industrial waste barrel in an industrial park. In view of the problems that after the waste barrel is dumped, the cleaning efficiencyof the inner wall is low, the effect is poor, manpower is consumed, and residual or wall-hanging residues cannot be cleaned to influence the environment, the following scheme is proposed that the cleaning device comprises a water delivery pipe, a garbage truck and an air cylinder, wherein a fixed shaft is fixed to the outer wall of one side of the garbage truck through screws, the outer wall of the fixed shaft is sleeved with a transmission chain through a roller, the outer wall of one side of the roller is connected with a motor through bolts, fixing rods are welded to the outer wall of oneside of the transmission chain, one ends of the fixing rods are connected with a lifting frame through hinges, and a sliding mechanism is arranged on one side of the lifting frame; and supporting rodsare fixed to the outer wall of one side of the garbage truck through bolts, and one ends of the supporting rods are fixed with sliding rails through bolts. Through mutual cooperation of the components, the inner wall of the waste barrel is thoroughly cleaned, adhesion stains on the inner wall can be effectively scraped, the cleaning efficiency is improved, and manpower is saved.

The invention discloses an adjustable adhesive tape splitting machine which comprises a frame, and an adhesive tape clamping mechanism, a splitting device, two rolling shafts which conveys an adhesive tape and a material receiving device which rolls the adhesive tape on the frame. The splitting device comprises two splitting mechanisms which are arranged in parallel in a spaced manner and are located between the two rolling shafts; each of the splitting mechanisms comprises a cylindrical knife rest, a plurality of tool aprons connected to the knife rest in a sleeving manner and tools detachably connected to the tool aprons; and the tools of the two splitting mechanisms are arranged alternately along the adhesive conveying direction. According to the adjustable adhesive tape splitting machine disclosed by the invention, the two splitting mechanisms are arranged between the two rolling shaft in parallel in the spaced manner, and the tool positions on the two splitting mechanism are adjusted in a matched manner, so that an adhesive tape in any width is split, and different using demands are satisfied; meanwhile, the adjustable adhesive tape splitting machine has the characteristics of being simple in structure, reliable to fix the tools, convenient to adjust the distance of the tools and high in practicality and suitable for being widely applied.

A washbasin, mainly including a washbasin, a soft water pipe and a distribution block, a concave washbasin with an inclined bottom, so that the water after cleaning can flow out of the washbasin by itself, and the anti-slip sheet is fixed on the slide rail, so that the slider The position in the rail is more stable, using a fixed sleeve, so that the water guide rod can move up and down in the fixed sleeve, the distance between the faucet and the wash basin is more convenient to adjust, using multiple through holes, so that the soft water pipe can be placed in the through hole The center moves up and down along with the water guide rod, and the distribution block with a triangular cross-section can make the slider move more smoothly between the anti-skid sheets, making it more convenient to use.

The invention discloses a cleaning device for aviation part machining. The cleaning device comprises a base, wherein two ends of the upper side of the base are fixedly connected with supporting rods;the top ends of the two supporting rods are jointly fixedly connected with a transverse plate; the center of the transverse plate is fixedly connected with a connecting pipe through a first bearing ina rotatable manner; the first bearing is located in the transverse plate; the side wall, close to the top end, of the connecting pipe is fixedly connected with a driven gear in a sleeving manner; thetransverse plate is fixedly connected with a driving motor; the output end of the driving motor is fixedly connected with a driving gear through a shaft coupler; the driving gear meshes with the driven gear; the upper end of the transverse plate is fixedly connected with a cleaning box; one side of the top of the cleaning box is fixedly communicated with a liquid inlet; a water pump is mounted atthe bottom in the cleaning box; the output end of the water pump is fixedly connected with a water discharging pipe; and the other end of the water discharging pipe is fixedly connected to the upperend of the connecting pipe through a sealing bearing in a rotatable manner. The cleaning device disclosed by the invention can clean aviation parts of different specifications more quickly and clearly.

The invention discloses a locating fixture for realizing coaxial assembling of two pipelines. The locating fixture comprises locating frames, locating sleeves, a bushing and a locating die, wherein the locating sleeves are assembled on the locating frames; each locating frame is provided with each locating sleeve; the bushing is assembled on the locating die; after the locating sleeves and the bushing are assembled, the axis of the locating sleeves and the axis of the bushing are located on the same straight line. By the action of the locating sleeves and the bushing, the locating fixture for coaxially assembling the two pipelines is realized; due to the locating action of the locating fixture, the two pipelines can be coaxially assembled without deviation; the assembling quality can meet the requirement; both the sealing property and the tensile strength of a steel guide pipe and a PE pipe which are assembled by the fixture can meet the use requirement on natural gas conveying.

The invention provides an assembly-type full-contact honeycomb floating disk which comprises a ring beam. A plurality of elastic sealing compensation structures are arranged outside the ring beam. A plurality of #-shaped frames are formed inside the ring beam through a primary beam set and a secondary beam set. A plurality of honeycomb boxes are arranged inside the #-shaped frames. First side wing protecting bushes are connected between the secondary beam set and the honeycomb boxes in a sleeving mode, and second side wing protecting bushes are connected between the adjacent honeycomb boxes in a sleeving mode. Two rows of first T-shaped grooves are formed in the bottom of the primary beam set, and the primary beam set is connected with supporting pillars through T-shaped fasteners. The secondary beam set comprises a plurality of secondary beams which are connected end to end through beam connecting plates. Two rows of second T-shaped grooves are formed in the bottoms of the secondary beams. The beam connecting plates are fixed to the bottoms of the adjacent secondary beams through T-shaped fasteners. The primary beam set is fixed to the upper portions of the beam connecting plates through T-shaped fasteners. The problems that floating disk assemblies cannot be installed conveniently and oil gas space and oil gas leakage points communicating with the outside exist between a floating disk and the storage tank liquid level in the prior art are solved.

The invention discloses a support device used for urological surgery, and relates to the technical field of medical devices. The device includes a bottom plate, a sliding plate is arranged on the a support frame, a drive arc plate is arranged on the support frame, the right side of the support frame is fixedly provided with a servo motor, an output shaft of the servo motor is coaxially and fixedlyprovided with a worm, the right side of the support frame is vertically and slidably provided with a lifting spur rack meshed with an outer gear, the lifting spur rack is horizontally and fixedly provided with a support plate, the upper surface of the support plate is provided with two placement grooves, and an included angle is formed between the two placement grooves. The device is simple and convenient to adjust, the workload is small, the servo motor drives the worm to rotate to achieve adjustment of the upper and lower positions of the lifting spur rack, and the height of the legs of a patient can be adjusted. The sliding plate can move horizontally, the adjustment of the distance between the leg and a sickbed is convenient, the device is suitable for patients different in height touse, an adjusting plate can slide along a placement groove, arching height adjustment of the patient's leg is convenient, and the device makes doctors better perform the urological surgery.

The invention discloses a jointed board automatic welder, a joint board automatic welder unit and a board power transmission mechanism. The joint board automatic welder unit comprises a plurality of jointed board automatic welders. The jointed board automatic welder comprises a machine table, a welding copper bar and two board power transmission mechanisms, wherein the welding copper bar is arranged on the machine table. The board power transmission mechanism comprises a motor reducer, a driving wheel and at least two driven wheels. All the driven wheels are respectively located at one side of the length direction of the driving wheel and are spaced along the length direction of the driving wheel; each driven wheel is connected with the driving wheel by a belt; and the motor reducer is connected with one end of the driving wheel so as to drive the driving wheel to rotate, and further, the belt connected with the driving wheel and the driven wheels are driven to rotate, so that a board located on each belt is transmitted along the belt. According to the board power transmission mechanism, not only can the automatic transmission of the board be realized but also the spacing adjustment of the unit cannot be influenced, and when the number of the machine tables is changed, the machine tables can be rapidly combined to meet the production requirements of special containers.

The invention discloses a bimold drawing mold structure which comprises a front mold and a rear mold, wherein at least one guide wheel is arranged between the front mold and the rear mold; the guide wheel ensures that distribution of steel wires between the two molds changes, and the steels wires are not distributed on a straight line; on one hand, due to the existence of the guide wheel, the front and rear steel wires of each mold and the calibration bench of the mold are on a same straight line, so that the straightness of the steel wires during drawing can be ensured, i.e., the two molds are not required to have concentricity, so that the precision requirement for the two molds in use can be reduced; on the other hand, due to the existence of the guide wheel, the front mold and the rear mold preserve respective independence, when one mold is rotated so as to regulate the ring diameter of the steel wire, the ring diameter of the steel wires drawn by the other mold is not influenced, so that the ring diameter and pitch of the drawn steel wires can be regulated conveniently.

The invention discloses a fixing seat for a computer display screen. The fixing seat comprises a base, wherein two first grooves are formed in two sides of the base; movable rods are respectively clamped in the two first grooves; the ends, away from the first grooves, of the two movable rods are fixedly provided with limiting strips; a T-shaped slot is formed in the middle part of the upper surface of the base; a second rotating shaft is connected into the T-shaped slot in a rotatable manner; the second rotating shaft is fixedly connected with a supporting block; the supporting block is fixedly connected with a threaded telescopic rod through a groove in the supporting block; the end, away from the supporting block, of the threaded telescopic rod is fixedly connected with an adjustment rod; the end, away from the threaded telescopic rod, of the adjustment rod is connected with a connection block in a rotatable manner; the connection block is fixedly connected with a first supporting plate; and a carrying block is fixedly mounted on the outer side of a second supporting plate. According to the fixing seat for the computer display screen, a distance between a person and the display screen can be easily adjusted, and an adjustable angle is increased; and the fixing seat also can be used as a notebook computer mat, so the applicability is improved.

The invention discloses a method for realizing coaxial assembling of two pipelines. The method comprises the following steps: coaxial positioning and interference fit assembling, wherein the coaxial positioning is completed by a positioning tool; the positioning tool comprises a positioning frame, a positioning sleeve, a bushing and a positioning die; one pipe is mounted on the positioning frame after penetrating through the positioning sleeve, and the other pipe is mounted on the positioning die after penetrating through the bushing; after the positioning sleeve and the bushing are mounted, the axis of the positioning sleeve and the axis of the bushing are located on the same straight line; the interference fit assembling comprises the specific steps: after the positioning tool for coaxial positioning is fixed, squeezing the two pipes to enable the two pipes to face to each other to complete the interference fit assembling. Under the action of the positioning sleeve and the bushing, the coaxial assembling method for the two pipelines is realized; by the positioning effect of the method, the two pipelines can be coaxially assembled without deviation, and the assembling quality meets the requirement; both the sealing property and the tensile strength of a steel guide pipe and a PE pipe which are assembled meet the use requirements on natural gas conveying.

The invention discloses a high-precision numerical control machining tool comprising a tool base, a spindle box and a tool shell. The spindle box is located at the upper end of the tool base. The toolshell is located on the rear side of the upper end of the tool base. A workbench is fixedly installed on the other side of the upper end of the tool base. A three-jaw chuck is arranged on one side ofthe upper end of the spindle box. A Z-direction sliding rail is fixedly installed at the upper end of the workbench. The high-precision numerical control machining tool is provided with a telescopicrod, a buffer gasket and an altimeter, a control panel can be controlled telescopically, the distance from the control panel to the shell can be adjusted conveniently, the control panel can be used conveniently, a to-be-machined workpiece can be clamped in a protective mode, harm caused by workpiece extrusion in the clamping process is avoided, height measurement can be conducted on the clamping process of a cutter, the standard clamping height is met, numerical control machining precision is improved, certain practicability is achieved, and better use prospects are brought.

The invention provides an automatic casting system for a casting machine. The automatic casting system comprises a cantilever and a piston rod. One end of the cantilever is fixed, the other end of the cantilever is provided with a clamping ring, the middle of the piston rod is arranged in the clamping ring in a sleeved mode, the upper portion of the piston rod is sleeved with piston rod clamping sleeves, the piston rod clamping sleeves are arranged on two clamping plates, the middles of the two clamping plates are connected and fixed through a connection sleeve, the heads of the clamping plates are provided with L-shaped motor bases, two servo motors are arranged on each L-shaped motor base in a lifted mode, lead screws are arranged on motor shafts of the servo motors, the lead screws are meshed with reduction gears respectively, the top of the piston rod is connected with a cylindrical rack, and the rack is meshed with the two reduction gears at the same time. The automatic casting system has the advantages of being reasonable in design and reliable in structure. By means of the automatic casting system, the labor strength of workers can be lowered, and remote control over and intelligent adjusting of lifting actions and adjusting of the piston rod of the system can be achieved; furthermore, the servo motors are controlled through a PLC, high lifting accuracy and high adjusting accuracy are achieved, the wear rate of the piston rod is reduced greatly, the long service life is achieved, and the bottom of a casting ladle is totally free of leakage.