153results about How to "Fixed shortcut" patented technology

The invention discloses a simple antenna far field test system which comprises an antenna terminal an a horn terminal, wherein the antenna terminal comprises a first tripod and an antenna test board; the top of the first tripod is movably connected with the antenna test board; the bottom of the antenna test board is provided with a motor; the antenna test board is provided with an antenna revolving platform which is driven to rotate by the motor; the horn terminal comprises a second tripod and a horn bracket; the top of the second tripod is connected with the horn bracket by a screw rod; the horn bracket is provided with a gradienter, a standard gain horn and a laser; the laser is arranged at the front end of the standard gain horn. The simple antenna far field test system can be fixed aiming at antennae with different sizes and thus can be used many times; a flat plate antenna can be rapidly replaced and fixed by the simple antenna far field test system, so that a good hardware terminal is provided for the test and application of the flat plate antenna; the system can be used for locating the flat plate antenna quickly and is capable of greatly shortening the adjustment time and improving the test frequency of the flat plate antenna.

The invention provides a bearing closed-up punch. The bearing closed-up punch is mainly used for positioning and fixing of a bearing part, a part which requires bearing mounting is clamped between a punch die and a base, an annular ring is punched in a portion of a bearing hole of the part that requires bearing mounting to limit bearing axial and radial movements, the freedom degree of a bearing is limited by means of the bearing closed-up punch, the operation is simple, and the positioning is good; stretching height of the punch can be finely adjusted, the ejecting height can be easily guaranteed, meanwhile, the punch die is in clearance fit with a shell, the punch die is replaceable, and single component production can be performed in case of unqualified sizes; a corresponding machining process is provided according to the structure of the bearing closed-up punch, the machining efficiency of the bearing closed-up punch can be effectively increased, meanwhile, qualities are guaranteed, and the bearing closed-up punch can be accurately and rapidly fixed and positioned; during forming of the punch die, only one-time angle turning of a small supporting plate is required, the forming of the punch die can be finished only by one forming turning tool, machining steps are reduced, and the machining efficiency is increased.

A shooting assembly comprises a shooting device 300 and a pan-tilt assembly 20 used for carrying the shooting device, and the pan-tilt assembly comprises a pan-tilt 200 and a hand-held rod 100 connected with the pan-tilt and also comprises a connecting device for arranging the hand-held rod on the pan-tilt detachably. The connecting device comprises a rapid disassembling cover plate 1 and a fastening assembly 2 arranged on the rapid disassembling cover plate, and a fastening cavity 21 is formed in the fastening assembly. By operating the fastening assembly, the fastening cavity can be expanded, and the pan-tilt can cross through, so that the pan-tilt is in snap joint with the fastening assembly to be fixed on the rapid disassembling cover plate. According to the present invention, the pan-tilt can be locked rapidly and conveniently, and the pan-tilt is disassembled simply.

The invention relates to a roller-changing device. The roller-changing device comprises tracks, a lifting rope suspended above the tracks, a trolley moving on the tracks and a bracket arranged at the bottom of the tracks, wherein a tightly-pressing device connected with the furnace roller is arranged in the front of the trolley, a hook is arranged at the tail end of the trolley, a self-locking device matched with the hook is arranged on the tracks and comprises a weight block, a limiting screw and a guide cylinder, the weight block is arranged inside the guide cylinder, a guide groove is formed in the weight block, the limiting screw is fixedly arranged in the side wall of the guide cylinder, and the end part of the limiting screw is located inside the guide groove. According to the roller-changing device, by virtue of the tightly-pressing device, the spindle nose of the furnace roller can be rapidly fixed, the furnace roller can be stably and rapidly pulled out from or loaded into the hearth through the trolley, the moving trolley with rollers can be automatically locked by virtue of the self-locking device and thus the baking intensity of operators due to the furnace gas is decreased and the risk that the furnace wall is rubbed by the furnace roller is reduced.

The invention discloses an energy-saving bulb, which can transplant a halogen lamp to common lamp head of an incandescent lamp. Connection of an electrode of the halogen lamp and a common lamp head lead wire is fast, convenient and credible, position of the halogen lamp in the bulb is precise and convenient, thereby ensuring the halogen lamp arrange at luminescence center of the energy-saving bulb. The energy-saving bulb has two electrode clamps which equipped with a downwards extended lamp head lead wire; an insulated lamp holder with two vertical arranged two-stage holes is equipped in the common lamp head, the lamp head lead wire of the electrode clamps pass through a first stage hole and a second stage hole of the corresponding two-stage holes and is respectively connected to two electrodes of the lamp head, the electrode clamps are inserted in the first stage hole on middle and upper portion of the corresponding two-stage holes of insulated lamp holder, and the two electrodes of the halogen lamp are respectively fastened to the corresponding electrode clamps. The energy-saving bulb has similar shape to common incandescent bulb and has advantages that the incandescent bulb has, and energy-saving effect of the energy saving bulb is better than that of the incandescent bulb. So that, the energy-saving bulb can be widely used for various illumination fields and adapted for various incandescent lamp holders.

The invention provides a dust-blocking type constructional engineering retaining structure. The dust-blocking type constructional engineering retaining structure comprises a valve and a rear supporting column. An inserting hole is formed in a counterweight base, a retaining fixing groove is formed in the end face of the top of the counterweight base, and an inserting groove is formed in the bottomof the retaining fixing groove. The bottom of a fixing connecting column is located in the counterweight base, and a connecting hole is formed in the bottom of the fixing connecting column. An auxiliary illuminating lamp is installed at the top of the fixing connecting column, and the auxiliary illuminating lamp is connected with an external power supply line through a power line buried inside the fixing connecting column. Blocking of building dust upwardly spreading is facilitated, and external air pollution caused by the dust further spreading to the outside is prevented; nozzles and pipesare matched for use, when the building dust is more, and water mist is sprayed from the top to the air to increase the humidity of the dust in the air, so that the dust can fall to the ground automatically, and the effect of purifying dust is achieved.

The invention relates to a preparation and installation method of an anti-floating filter plate of an upward flow suspension filter material filter pool. The method is characterized by comprising the steps of assembling a mold to prepare the anti-floating filter plate and installing the anti-floating filter plate. The anti-floating filter plate comprises an anti-floating filter plate body of a rectangular reinforcing steel bar concrete plate structure. Upper and lower rabbets are formed at the opposite ends of the two side ends of the anti-floating filter plate. The cross section of the upper rabbet is in a dovetail groove shape, the cross section of the lower rabbet is in a dovetail shape matched with the dovetail groove shape of the upper rabbet, and two adjacent anti-floating filter plate bodies form a dovetail type plate slot through engagement of the upper and lower rabbets; a plurality of filter head sleeves are preformed in the axial direction of the anti-floating filter plate. The anti-floating filter plate has the advantages that the rabbet structure is adopted, the problem that formwork supporting is difficult in the plate slot construction process is solved, and the problems of water leakage, material leakage, difficult pouring and difficult formwork supporting are solved; the anti-floating effect is well achieved by taking full advantage of the weight of the anti-floating filter plate and the pressure relief effect of filter holes.

The invention provides a quick-to-operate laboratory animal fixing frame which comprises an animal platform for fixing laboratory animals. A left clamping plate and a right clamping plate are movablymounted on left and right side walls of the animal platform respectively through fixing bolts and wing nuts. Damping sheets are adhered to positions, corresponding to the left clamping plate and the right clamping plate, on left and right sides of the animal platform. Lateral sides of the left clamping plate and the right clamping plate are provided with concave tooth grooves, damping concave plates are adhered to inner wall of the concave tooth grooves corresponding to the damping sheets on the side walls of the animal platform, and laboratory animal paws can be locked and kept fixed by tightening of the wing nuts. Two binding strips are mounted on the right clamping plate and penetrate locking fasteners on the outer side of the left clamping plate to tightly fix a whole body of the laboratory animals. The quick-to-operate laboratory animal fixing frame has the advantage that laboratory animal fixation and protection can be completed conveniently, quickly and safely so as to guaranteesmoothness in quick operations including blood sampling, skin preparation, illumination and the like in various animal experiments.

The invention relates to a cloth winding barrel for spinning. The cloth winding barrel comprises a rotating shaft and a hollow winding barrel body capable of rotating along with the rotating shaft. The cloth winding barrel is characterized by further comprising a cloth clamp contained in the winding drum body, the cloth clamp comprises a central rod parallel to the axis of the winding drum body, and two clamping pieces sleeving on the central rod and capable of opening and closing around the central rod, the winding drum body axially comprises an open end and a closed end, a narrow notch allowing cloth to penetrate is arranged on the side wall of the winding drum body, one end of the notch is open at the open end, a clamping groove with an inward opening is arranged on the closed end of the winding drum body, and the corresponding end of the central rod is clamped in the clamping groove. The winding drum body is arranged to be of a hollow structure and matched with the special cloth clamp for use, so that firmness in fixing of the cloth is greatly improved; the cloth winding barrel is convenient to use and small in difficulty in operating; due to high stability in fixing of the cloth, probability of deviation of the cloth in the process of winding is greatly lowered, and winding quality is guaranteed.

The invention discloses an automatic welding device for an iron tower connecting plate steel pipe assembly. The middle of a welding platform is hollow, a rotating structure is arranged at a hollow position, clamping structures are arranged on the upper surface of the rotating structure, each clamping structure comprises a fixed base and a sliding base, wherein the fixed base and the sliding base are symmetrically arranged; a carrier plate is arranged on one side of the sliding base in one set, and a push rod is arranged on one side of the sliding base, penetrates through the carrier plate andis in threaded connection with the carrier plate; the two sliding bases are fixed through a connecting rod, two parallel cleaning structures are arranged at the top ends of the supports, and water inlets communicated with the cleaning structures are formed in the positions, located on the cleaning structures, of the upper surfaces of transverse rods of the supports. According to the automatic welding device for the iron tower connecting plate steel pipe assembly, the clamping structures are arranged, the distance between the clamping structures and the fixed base is adjusted only through sliding of the sliding bases, fixing of a pipeline is achieved, fixing is more convenient, and the welding efficiency is improved; and the arranged cleaning structures can clean the welding platform afteruse is finished, and convenience and practicability are achieved.

The invention discloses a turnover type overhauling platform. The turnover type overhauling platform comprises a grating and a first lifting structure. The first lifting structure comprises a first inhaul cable and a first head end guiding pulley, the grating is fixed to the wall of a ship in a turnover mode, the first head end guiding pulley is arranged above the grating, the first end of the first inhaul cable is connected with the grating, the first inhaul cable is wound around the first head end guiding pulley, and the second end of the first inhaul cable is detachably fixed to the wall of the ship. The turnover type grating platform is structurally connected with the ship and can be easily turned over through the inhaul cable of a handle and the guiding pulley, and equipment at a narrow region and a region which people can not easily reach in the ship is effectively maintained; in maintaining, the grating is turned over and put away at ordinary times, and normal using of space inside the ship is guaranteed.

The invention provides a monitoring product imaging module device comprising a lens and an image sensor, wherein the monitoring product imaging module device further comprises a lens bracket structure, a push plate structure and a back plate structure; the lens bracket structure comprises a supporting plate, and a plurality of guide rods are arranged below the supporting plate; the push plate structure comprises a circuit board and a push plate main body, the back plate structure comprises a back plate main body and a screw, and a top end of the screw penetrates through the back plate main body and leans against a bottom surface of the push plate main body; the guide rods connect the circuit board, the push plate main body and the back plate main body together, a compression spring is arranged on the guide rod between the supporting plate and the circuit board, and a light shielding structure is further arranged between the supporting plate and the circuit board. The monitoring product imaging module device has high compatibility on different lenses and different image sensors, and relatively high market adaptability; in addition, the lens is fixed more quickly due to a self-centering fixing mode, and the reject ratio of the product is greatly reduced; and the wavy light shielding structure is more difficult to leak light or enter dust.

An LED (light-emitting diode) bulb comprises a glass envelope, a stem, a plastic shell, an LED light source, a bulb cap and a group of LED light-emitting bars, wherein the top of a base of the stem is provided with a strip-shaped boss, an insulated central fixed column is upwardly extended from the center of the strip-shaped boss, the group of LED light-emitting bars are mounted on a first circuit board and a second circuit board, so that an LED light-emitting bar module is formed, the module is mounted on the strip-shaped boss and the central fixed column, and conductive copper foils are so arranged on the first circuit board and the second circuit board that the group of LED light-emitting bars are connected in series or in series and parallel, and the LED power supply supplies power to the group of LED light-emitting bars. The light-emitting bar module structure of the LED bulb can enhance the reliability of the LED bulb and prolong the service life of the LED bulb, the LED light-emitting bar module can be assembled alone in advance, consequently, mass production can be realized, the efficiency of production is increased, and the production cost is reduced.

The invention discloses an electronic evidence library management training system and a method of an intelligent terminal, which relate to the technical field of electronic evidence. The system comprises a client management module, a management server module and a storage server module. The client management module is used for account registration, account management and case operation of an expert user or a student user. The management server module is used for acquiring an original data mirror image in a target intelligent terminal, pushing the raw data mirroring and simulating terminal environment to the client management module, and allocating corresponding memory space for the client management module, so that the trainee user can carry out dynamic simulation forensics and generate forensics report, and pushing the trainee user's forensics report to the client management module, so that the expert user can carry out on-line scoring feedback and generate a scoring report. The storage server module is used for generating the electronic evidence library, and storing the original data mirror and the mirror backup data. The invention solves the technical problems of few case scenes, lack of systematization of training and great difficulty of batch training.

The invention relates to a base-station housing body, in particular to an improvement to the chassis structure and to the connecting structure between the chassis and the upright posts in the base-station housing body. The chassis of the base-station housing body includes a bottom frame, as well as steel bottom plates and contour plates mounted face to face on the upper and lower sides of the bottom frame; the bottom frame includes two supporting beams arranged face to face and two bottom beams arranged face to face between the supporting beams; corner pieces for connecting the upright posts are arranged at the four corners on the upper surface of the bottom frame; upright post mounting holes are opened on both ends of the upper surface of each supporting beam; all upright posts are fixed at the corners of the chassis through the corner pieces and the upright post mounting poles. It can be seen that the upright posts can be conveniently mounted on the chassis through the corner pieces and the upright post mounting holes, thus ensuring the rigidity of the connection between the upright posts and the bottom frame at two horizontal directions; then wall panels can be quickly and conveniently installed on the upright posts.

The invention relates to a vacuum generator which has the innovative points that the vacuum generator comprises an exhaust port, a Laval nozzle, a nozzle, a negative pressure cavity, a vacuum port, a shell and an air inlet; the vacuum generator uses compressed air as power; according to the vacuum generator, by enabling the compressed air to enter an airflow nozzle, airflow flows out of the nozzle at a high speed, a suction effect is generated, and finally, the compressed air and the sucked air are exhausted into the atmosphere through a receiver nozzle. The vacuum generator adopting the design is simple in structure, low in manufacturing cost, small in adsorption volume, short in response time, low in surface leakage rate and low in air consumption.

The invention discloses a dust removal type plastic product offcut cutting device which comprises a base, wherein a guide rail is arranged at the top of the base; a fixing seat is arranged on the guide rail through rolling wheels in a matching and sliding manner; a horizontal air cylinder is fixed at the right end of the fixing seat; a motor is fixed at the top of the fixing seat; a cutter is fixed at the end part of the output shaft of the motor through a knife holder; a vertical bracket is vertically arranged on the right side of the base; a horizontal bracket is arranged at the end part of the vertical bracket; a vertical air cylinder is fixed at the left end of the horizontal bracket; the piston rod of the vertical air cylinder is connected with a first positioning retainer ring through an elastic telescopic rod; a second positioning retainer ring is arranged under the first positioning retainer ring; a dusting machine is fixed on the lower side of the middle of the horizontal bracket. According to the dust removal type plastic product offcut cutting device, the structure is stable, deformation of the device when being used for fixing the bottle bodies is not easily caused, the working environment is good, and the staff health is protected.

The invention provides a working mechanism of a tractor in airport ground support equipment. The working mechanism comprises the tractor, side wall inner grooves, lifting grooves, a push-pull rocker,an auxiliary movable plate, a traction plate, an inserting opening, an inserting strip and a connecting plate. Side wall inner grooves are formed in two sides of the tractor correspondingly, and lifting grooves are formed in one side of the tops of the side wall inner grooves correspondingly. Inner side mounting plates are fixedly arranged at the outer ends of the middles of the side wall inner grooves through bolts, and traction boxes are arranged in the side wall inner grooves in a limited mode through the inner side mounting plates; a lifting frame and a traction plate are arranged, so thefront wheel of an aircraft can be effectively fixed and lifted; the aircraft can be easily pulled. The traction plate is opened and closed through a rocker mechanism to facilitate flexible usage. Theworking mechanism of the tractor is simple in structure, saves cost, in addition, the traction plate can be spliced and fixed through the insertion strip penetrating through the insertion opening after rotating; the structure is simple, the stability is strong, and the stability of the traction plate is greatly improved, so that rapid fixation of the aircraft front wheel is facilitated.

The invention relates to a ventricle drainer which is characterized by comprising a drain device and a negative-pressure liquid collecting device, wherein the main body of the drain device is a panel, the middle of the panel is hollow, the middle of the panel is provided with a screw, the head of the screw is provided with a hand wheel, and a slide block is connected on the screw through a screw nut; and the main body of the negative-pressure liquid collecting device comprises a liquid storage bag, a drain tube and a drain regulator, wherein the drain tube is inserted into the liquid storage bag and is hermetically connected with the inlet of the liquid storage bag, the drain regulator is sleeved outside the drain tube, a negative-pressure tube is hermetically connected with the inlet of the liquid storage bag, the other end of the negative-pressure tube is hermetically connected with a negative-pressure regulation ball, and a single-phase exhaust valve device is installed in the negative-pressure regulation ball. The whole panel is fixed in a proper position by a bed fixing frame, the hand wheel is rotated to regulate the height of the slide block, the single-phase exhaust valve device in the negative-pressure regulation ball enables the inside of the liquid storage bag to generate pressure difference, and liquid smoothly flows into the liquid storage bag through the drain tube, thereby ensuring that the liquid collecting effect is better in a certain pressure range, and the collected person is safe.

The invention provides a low-voltage house service wire fixing device which comprises a wall main body, wherein the wall main body comprises a wall base and a wall clamping groove female rack, an insulation sliding block is arranged on the wall clamping groove female rack, a plurality of inner grooves are arranged on the insulation sliding block, the inner grooves are wedge grooves of which the lower surfaces are flat and the two side surfaces incline outwards, a wedge tongue plate corresponding to the inner groove is inserted into each inner groove and is an insulation plate, the two side surfaces of the wedge tongue plate are respectively provided with a first semicircular opening, the two side surfaces of each inner groove are respectively provided with a second semicircular opening, and a cylindrical wire accommodating groove is formed between the first semicircular opening and the second semicircular opening after the wedge tongue plate is inserted into the inner groove. The device is simple in structure and is convenient to install, time and labor are saved during application, the working efficiency of an installation person can be greatly increased, moreover, the device is small in structural volume, light in weight, good in insulation performance and long in service life, and a guide line is firmly and stably fixed.

The invention discloses a single-sequence cervical spine locking steel plate system with a long force arm, made from medical pure titanium or titanium alloy. The single-sequence cervical spine locking steel plate system with a long force arm comprises a bone lamella, bolts and a stop piece. In the single-sequence steel plate of the system, the distance between the upper bolt and the lower bolt of the bone lamella is 18 mm, the centre line of the bone lamella is nailed, and the both ends of the bone lamella are provided with a design of anti-skid teeth, so as to prevent the skidding of the titanium plate; the bone lamella is 10.5 mm wide and 2.5 mm thick, the bolts at the both ends are fixed with an adjustable angle in a 28-degree range, so as to ensure the optimal bolt installation; additionally, the steel plate is 34-40 mm long, wherein one specification is set every 1 mm from 11 mm to 15 mm between a C3 bolt hole and the lower edge of the steel plate. The single-sequence locking steel plate with a long force arm disclosed by the invention is strong in three-dimensional motion stability and anti-skid capacity, and enables operation to become simple and fast because of utilizing single-sequence simplified design, thereby shortening operation time, reducing bleeding amount and keeping injury on soft tissue to a minimum.

The invention discloses a blood drawing nursing device for the pediatric department. The device comprises a cart frame, the lower end of the cart frame is provided with a storage chamber, the upper end of the storage chamber is provided with electric push rods, a lifting platform is arranged at the upper ends of the electric push rods, the left side of the upper end of the lifting platform is provided with a fixed worktable, the right side of the upper end of the lifting platform is provided with a movable worktable, the upper end of the movable worktable is provided with a blood drawing device, the blood drawing device comprises a blood drawing box body, the upper end of the blood drawing box body is provided with an operating port, the bottom of the blood drawing box body is provided with a pad, the front end of the blood drawing box body is provided with a wrist fixing base, the upper end of the wrist fixing base is provided with a movable clamping base, the tail end of the blood drawing box body is provided with an arm fixing base, and the upper end of the arm fixing base is provided with a second movable clamping base. The blood drawing nursing device for the pediatric department is stable in structure, convenient to use, easy to operate, quick to fix and capable of achieving horizontal motion and lifting movement, effectively ensuring the implementation of blood drawing work and meeting current use requirements.

The invention discloses a water supply device for landscaping. The water supply device for the landscaping comprises a water storage tank, a pipeline, a water pump, a connecting pipe and a supportingbuffer mechanism, wherein the water pump is located on one side of the water storage tank, the water pump is connected with the water storage tank through the connecting pipe, a water outlet of the water pump is connected with the pipeline, the supporting buffer mechanism comprises a first supporting seat, a second supporting seat, a supporting table, a rubber pad, a first supporting opening, a second supporting opening, an abutting block, a movable block, a spring seat and a groove, wherein the second supporting seat is fixed to the top of the supporting table, the second supporting opening is formed in the top of the second supporting seat, the groove is formed in the second supporting seat, and one end of the movable block is embedded into the groove. The water supply device for the landscaping has the beneficial effects that through the designed supporting buffer mechanism, the buffer of the pipeline is further increased while the pipeline is supported, and through a designed guidemechanism, the guide during fixing of a second flange plate and a first flange plate is increased, so that the second flange plate and the first flange plate are fixed more quickly.

The invention relates to a municipal irrigation system, in particular to a municipal road greening irrigation system convenient to install. The municipal road greening irrigation system convenient toinstall comprises a main pipeline, drip irrigation belts and protection pipes, wherein the main pipeline, the drip irrigation belts and the protection pipes are all buried underground; the plurality of drip irrigation belts communicate with the main pipeline; the drip irrigation belts are arranged inside the protection pipes in a penetrating mode; a plurality of water leakage holes are formed in the side wall of the protection pipes; the protection pipes are divided into a plurality of sections and spliced with each other; two ends of each protection pipes are respectively a first end head anda second end head; the inner diameter of each first end head is the same as the outer diameter of each second end head; a slot is formed in the inner side wall of each first end head; a clamping block is fixedly arranged on the outer side wall of each second end head; each slot comprises a first slot and a second slot; each first slot extends inwards from the end part of each first end head in the axial direction; each second slot extends along the circumferential direction of each first end head by taking the inner end head of each first slot as a starting point; and each clamping block is in plug-in sliding fit with each first slot and each second slot. According to the municipal road greening irrigation system convenient to install, the effect of reducing the difficulty of penetratingthe protection pipes by the drip irrigation belt is achieved.

The invention discloses a light steel building connecting structure capable of realizing quick clamping fixing. The structure comprises a connecting structure body, a first jacket, a second jacket, fixing frames, a connecting cylinder, a spring, a steel pipe, a sealing cap and a sealing ring, wherein the first jacket is arranged on the connecting structure body, the second jacket is arranged on one side of the first jacket, the fixing frames are welded to the side edges of the first jacket and the second jacket correspondingly, meanwhile, the first jacket and the second jacket are fixed through fixing frame bolts, the connecting cylinder is welded to the side, away from the second jacket, of the first jacket, a mounting groove used for mounting a sealing plate is formed in the upper portion of the side, close to the first jacket, of the connecting cylinder, and the sealing plate and the mounting groove are fixed through a bolt. According to the light steel building connecting structurecapable of achieving rapid clamping fixing, rapid butt joint fixing of the circular steel pipe can be achieved, fixing through other modes such as welding or clamping does not need to be used again,fixing is rapid, and loosening is not prone to happen.

The invention relates to a pneumatic vacuum generator. The pneumatic vacuum generator is characterized by comprising an air outlet, a laval nozzle, a spray nozzle, a negative-pressure cavity, a vacuum port, a shell and an air inlet. According to the pneumatic vacuum generator, compressed air serves as power, the compressed air can enter the airflow spray nozzle, airflow flows out of the spray nozzle at a high speed, the air suction effect is achieved, and finally the compressed air and sucked air are discharged into the atmosphere through a receiver spray nozzle. The pneumatic vacuum generator with the design is simple in structure, low in manufacturing cost, small in absorption volume, short in response time, small in surface leakage amount and low in air consumption.

The invention discloses a position-adjustable optical projection tomography system sample fixing device. According to the device, a sample is fixed with two methods which are adhesion fixing and clamp fixing. The device comprises a precise translation stage with which a sample position can be integrally adjusted on two vertical directions, a fixed guiding device cooperating with a clamping claw when holding and fixing a sample such that a glass capillary containing the sample is vertically fixed in a chuck body; a chuck body used for fixing the guiding device, the clamping claw and an adhesion column; a clamping claw used for synchronically locking the glass capillary containing the sample when the sample is held and fixed, such that the glass capillary is positioned at the center of the chuck body; a clamping claw drive used for synchronically locking the clamping claw when the sample is held and fixed; and an adhesion column. During adhesion fixing, one end of the adhesion column is adhered to the sample, and the other end is fixed on the center of the chuck body. The system provided by the invention has the advantages of reasonable structure, good functions, convenient operation, and low cost.

The utility model relates to a wearing device for an air-vibration expectoration instrument, which belongs to the technical field of medical instruments. It includes a clothing body for fixing on the patient's body, on which a plurality of air vibration tapping chambers isolated from each other are formed, and an air inlet port is arranged on each air vibration tapping chamber. Advantages: Since there are a plurality of air-vibration tapping chambers on the clothing body, and each air-vibration tapping chamber has an air inlet port, it can be easily connected with the air distribution control device, and can be conveniently And quickly fixed on the patient's body, a plurality of air-vibration tapping chambers can meet the technical effect similar to manual tapping in clinical use.

The invention provides a shoe washing machine. The shoe washing machine comprises a machine case, wherein a rotary table, which is obliquely arranged, is arranged in the machine case; the rotary table is provided with a plurality of clamps for storing shoes; a central nozzle, which is arranged toward the edge, is arranged at the center of the rotary table; a top nozzle is arranged at the top of the machine case and is located above the rotary table; the central nozzle and the top nozzle are connected with a water inlet through a water inlet pipeline; the water inlet pipeline is internally provided with a pressure-increasing valve; and the machine case is internally further provided with a bubble generator with an outlet arranged toward the rotary table. The shoe washing machine is provided with the clamps capable of storing the shoes so that the shoes can be arranged regularly; surfaces and inner parts of the shoes can be completely washed and each dead corner can be washed; a brush is not needed and a washing agent does not need to be used; the shoes do not need to be immersed in water for long time and are prevented from being damaged; in a whole shoe washing process, the shoes can be disinfected and can be dried after being washed; and in the shoe washing process, clean water can be circularly utilized and water resources are saved.

The invention discloses cleaning equipment for robot parts. The cleaning equipment comprises a first supporting plate. A first bearing is connected to the left side face of the first supporting platein a clamped mode, and a first rotating shaft is connected into the first bearing in a sleeved mode; the left end of the first rotating shaft is fixedly connected with the right side face of a cover plate, and the left side face of the cover plate is connected with the right side face of a box body in a lapped mode and is fixedly connected with the right side face of a rubber pad; and the upper surface of the rubber pad is connected with the upper surface of the inner wall of the box body in a lapped mode, and the lower surface of the rubber pad is connected with the lower surface of the innerwall of the box body in a lapped mode. According to the cleaning equipment for the robot parts, through cooperation of the cover plate, the first bearing, the first rotating shaft, a second rotatingshaft, a second bearing, the first supporting plate and a second connecting plate, when people clean the parts, cleaning agents and the parts can make contact more fully, accordingly, the part cleaning effect is better, and the working quality of people is ensured.