53results about How to "Reduce rotation rate" patented technology

The invention discloses an integrated efficient dyeing and finishing device for textile fabric. The device comprises a fixation dyeing box, and multiple vibration plates, rolling shafts, brushing rollers and heating strips are installed in the fixation dyeing box; a drying box is arranged at one side of the fixation dyeing box, and a dust removal box is arranged at the outer side of the fixation dyeing box; a first dust removal roller and a second removal roller are arranged in the dust removal box; multiple arc static plates are both installed on the outer surface of the first dust removal roller and the outer surface of the second dust removal roller, and an arc brushing plate is arranged between each arc static plate and the second dust removal roller or between each arc static plate and the first dust removal roller; multiple evenly-distributed carding bristles are arranged on each arc brushing plate; a rolling device is connected to one side of the drying box, and a rinsing box isconnected to the outer side of the drying box; a dye filter box is connected to the lower portion of the rinsing box, and a filter screen, a return pipe and a water pump are arranged on the dye filter box. The integrated efficient dyeing and finishing device for the textile fabric has the advantages that the dyeing quality and working efficiency can be improved, dyeing is even, the utilization rate of dye is high, the environment is protected, the drying speed is high, sterilization is achieved, the cloth rolling effect is good, and the device is convenient to clean.

The invention relates to a road and bridge dotting device for municipal construction. The road and bridge dotting device includes a housing, a traveling wheel, a drive wheel, a transmission roller, a driven wheel, and a dotting device; the housing is of a hollow rectangular structure; a traveling hole is formed in a lower end surface of the housing; a dotting hole is formed in the lower end surface of the housing and positioned on the right side of the travelling hole; the travelling wheel includes a travelling wheel shaft, a travelling wheel body and a first gear; the drive wheel includes a drive wheel shaft, a drive wheel body, and a second gear; the transmission roller includes an inclined slide rail, a first clamping head, a primary threaded rod, a primary nut, a secondary nut, an a secondary threaded rod; the driven wheel includes a driven wheel shaft, a drive wheel body, and a stirring inserting rod; and the dotting device includes a dotting rotation shaft, a dotting horizontal rod, and a dotting probe. The dot distance-adjustable dotting device is easy to operate; the dotting device is pushed lightly so as to allow the travelling wheel to rotate, and a dotting operation is executed; the dotting distance can be adjusted by rotating the primary nut and the secondary nut.

The invention relates to a mechanism realizing multispectral reflective filtering, belonging to the technical field of space remote sensing. At present, the multispectral filtering mechanism of a space optical remote sensor is always a transmission-type optical filter turning wheel mechanism, but the transmission efficiency of the transmission-type optical filter is lower, and the turning wheel has the disadvantages of large size, large development difficulty, low reliability and big disturbance in the imaging process. In order to eliminate the defects in the prior art, the invention aims to provide a multispectral reflective filtering mechanism comprising a multispectral reflective optical filter assembly and an optical filter switching mechanism, wherein the multispectral reflective optical filter assembly and the optical filter switching mechanism are connected by a revolving axle and a key in the optical filter switching mechanism. The mechanism can effectively improve filtering transmission efficiency and has the advantages of small volume and good stability.

A method of reading a data transmission from an electronic transmitting device mounted to a vehicle tire assembly includes: positioning a convex upper surface of a stand to intercept a vehicle tire of the vehicle tire assembly; establishing rotational engagement between the vehicle tire and the convex upper surface of the stand to slow the speed of the vehicle and reduce the rotational rate at which the vehicle tire rotates to a targeted reduced rotational read rate; and directing an antenna field from at least one antenna toward an approach path (and at least one antenna toward the exiting path) of the vehicle tire to the convex upper surface and lower surface of the stand to receive data transmission from the electronic transmitting device as the vehicle tire passes over the stand upper surface then down the lower surface at the reduced rotational read rate.

The invention relates to an anti-icing hydraulic engineering gate. The anti-icing hydraulic engineering gate comprises a gate plate, a stand column, a power generation device arranged on a water opposing surface of the gate plate, a water storage device, and a circulating water pipe arranged on a water facing surface of the gate plate. Through improvement of all parts, the hydraulic gate realizes autonomous ice removal under the condition of basically needing no external energy, and can realize remote intelligent control.

The present set of embodiments relate to a system, method, and apparatus controlling a cell culture media mixing system. The control system includes an integrated control unit capable of controlling a broad ranges of peripheral devices commonly used in bioproduction through a graphical user interface displayed on a touch sensitive screen. The bioproduction system is designed to be highly customizable through process modification and recipe creation by user with little or no knowledge of programming and is capable of controlling a wide variety of devices using a single unit. The bioproduction system allows for auto-detection, auto-calibration, and automatic of device related processes into a bioproduction workflow.

The invention discloses a street lamp utilizing wind energy, comprising a base and a pillar, a controller is arranged on the outer side of the pillar, a converter is arranged inside the pillar, a solar cell panel is fixed on the pillar, and a solar panel is fixed on the pillar. The top is provided with a micro-motor, the top of the micro-motor is provided with a rotating shaft a, the top of the pillar is provided with a wind generator, and the wind generator is rotatably connected with the rotating shaft a, and the top of the wind generator rotates through the rotating shaft b A wind vane is connected, and an angle deflection measuring device is installed above the rotating shaft b. By measuring the wind direction on the wind vane, it is transmitted to the angle deflection measuring device, and the angle deflection measuring device is transmitted to the controller through the converter, and the controller is controlled by a micro-motor The wind turbine rotates, thereby changing the direction of the wind turbine and saving energy.

A folding type electronic device comprises a first main frame, a second main frame and a pivoting mechanism articulated between the first main frame and the second main frame, wherein the pivoting mechanism comprises a first support fixed on the first main frame, a second support fixed on the second main frame, a pivot articulated between the first support and the second support, a damper arranged on the second main frame and an elastic component arranged on the damper. When the first main frame turns towards the second main frame, the flange of the first support can drive the damper to work, thereby slowing down the speed at which the first main frame turns towards the second main frame. When the flange drives the damper to work, the elastic component is under elastic compression under stress; when the flange stops exerting force on the damper, the damper returns to the state before actuation by means of elastic force of the elastic component.

The invention discloses an on-line cooling system for a heat tracing cable after high-temperature extrusion, and relates to the technical field of cooling systems. The on-line cooling system for the heat tracing cable after high-temperature extrusion comprises an extruder, a traction wheel mechanism and guide wheel mechanisms, wherein a heat tracing cable assembly extruded by the extruder is pulled out by the traction wheel mechanism, the heat tracing cable assembly extends into the cooling system along the surface of the guide wheel mechanism at the inlet end of the cooling system, the cooling system is composed of an on-line monitoring system and a cooling tank, the cooling tank comprises a tank body, two rotating wheel mechanisms arranged in the tank body and a water circulation system,the two rotating wheel mechanisms are driven by a driving motor, the heat tracing cable assembly is wound around the circumferential face of the rotating wheel mechanism at one side and extends upwards to the surface of the guide wheel mechanism at the outlet end of the cooling system along the bottom of the rotating wheel mechanism at the other side. By arranging a temperature sensor, a temperature monitoring system, a computer system, a frequency converter and the cooling tank, the problem that the heat tracing cable needs to be monitored and cooled in real time on line after being extrudedat high temperature is solved.

The invention discloses a stirring kettle for preparing tetrabromobisphenol A, and relates to the technical field of stirring kettles. The stirring kettle comprises a stirring kettle body, a cover plate installed at the top of the stirring kettle body and a discharging mechanism installed at the bottom of the stirring kettle body, a plurality of feeding pipes are installed on the cover plate, a lifting mechanism is fixed to the top of the cover plate, a transmission mechanism is rotatably mounted at the lifting end of the lifting mechanism, one side of the transmission mechanism is in transmission connection with a driving mechanism, and the bottom end of the transmission mechanism penetrates through the inner wall of the bottom of the cover plate and is in transmission connection with a stirring shaft; a plurality of groups of stirring mechanisms which are distributed at equal intervals are mounted on the circumferential outer wall of the stirring shaft, and three stirring mechanisms form one group and are distributed circumferentially. The motion resistance between the stirring pipe and the reaction liquid can be increased, so that the rotating speed of the stirring shaft can be rapidly reduced, the transmission resistance is reduced when the motor is restarted to carry out anticlockwise driving work of the stirring shaft, and the motor is protected.

The invention discloses a dust removal system for high-temperature flue gas generated during incineration of high-salt-content organic waste liquid and a dust removal process of the dust removal system, and belongs to the field of flue gas treatment. The dust removal system for the high-temperature flue gas generated during incineration of the high-salt-content organic waste liquid comprises a bearing table, a mixing mechanism, a heat recovery mechanism, a dust removal box, a filtering mechanism, a vibrating mechanism, an inversion mechanism and an extrusion mechanism; an inverted rhombus collecting frame is arranged in the dust removal box, a filter cover and an exhaust pipe are further arranged at the inner top of the dust removal box, the bearing table is installed on the side of the dust removal box, the mixing mechanism is installed on the bearing table, the heat recovery mechanism is installed on the bearing table and communicated with the mixing mechanism, and the filter mechanism is installed in the dust removal box; and the vibrating mechanism is installed on the dust removal box and connected with the filtering mechanism, the inversion mechanism is rotatably installed in the dust removal box, and the extrusion mechanism is installed in the inversion mechanism. According to the dust removal system for the high-temperature flue gas generated during incineration of the high-salt-content organic waste liquid and the dust removal process of the dust removal system, dust removal work is conducted on the high-temperature flue gas generated after incineration of the high-salt-content organic waste liquid.

The invention belongs to the technical field of agricultural machinery, in particular to an agricultural feed crushing device. The device is provided with a rotating speed adjusting device, so that different kinds of feed can be conveniently crushed, incomplete crushing of the feed is avoided, meanwhile, the situation that the feed is excessively stirred and crushed is effectively avoided, and uselimitations are reduced. The device comprises a mincing box, a blanking funnel, a valve, a mincing motor, a telescopic rod, gear shifting bolts, a mincing output shaft, a driving gear, a first-gear threaded hole, a second-gear threaded hole, a third-gear threaded hole, a first-gear gear, a second-gear gear, a third-gear gear and a first mincing cutter set; a first-gear threaded hole, a second-gear threaded hole and a third-gear threaded hole are formed in the right side of the upper end of the mincing box; the gear shifting bolts are in threaded connection with the first-gear threaded hole, the second-gear threaded hole and the third-gear threaded hole respectively; a first bearing is arranged in the middle of the upper end of the mincing box; a mincing main shaft is rotatably arranged atthe inner side of the circumference of the first bearing; and the first-gear gear, the second-gear gear and the third-gear gear are arranged at the upper end of the outer side of the circumference ofthe mincing main shaft.

The invention discloses a polyethylene film winding and cutting mechanism which comprises a feeding device, a fixed-length winding device and a driving device, wherein the feeding device is arranged in front of the fixed-length winding device, and is used for feeding a film into the fixed-length winding device; the driving device is in output connection with the fixed-length winding device; a film cutting structure is arranged on the fixed-length winding device, and comprises a retarding mechanism; the retarding mechanism comprises an annular elastic band, a fixed rod and a weight; the fixed rod is parallel to the feeding device; one end of the annular elastic band is knotted on the fixed rod; the other end of the annular elastic band bypasses the feeding device; and the weight is suspended at the other end of the annular elastic band. The polyethylene film winding and cutting mechanism has the advantages that the structure is simple, the film length adjusting flexibility is high, the deviation of the feeding device is prevented, the abrasion of the feeding device is alleviated, and the film winding efficiency is improved.

The invention provides a speed reducing transmission device. The speed reducing transmission device is provided with a base and a transmission set; the base is provided with guiding rods which are connected to base plates; the transmission set is provided with a first transmission shaft, a second transmission shaft and a displacement plate with penetrating holes connected to the peripheral edges of the guiding rods in a sleeving manner, wherein the first transmission shaft and the second transmission shaft are connected to the base plates in a pivoted manner; the displacement plate is made to move back and forth on the guiding rods in the transverse direction; the surface of the first transmission shaft and the surface of the second transmission shaft are provided with a first external thread and a second external thread correspondingly, and the first external thread and the second external thread are different in screw lead; a first internal thread and a second internal thread are arranged in the displacement plate and are in screw joint with the first external thread and the second external thread correspondingly; the first transmission shaft is made to rotate and drive the displacement plate to move on the guiding rods, so that the displacement of the displacement plate can drive the second transmission shaft to rotate; and the speed is converted by means of the threads, so that the speed reducing transmission device can be simplified, maintenance is convenient, and the using cost is reduced.

The invention relates to the technical field of plastic pipe cutting and discloses a cutting device for cutting a plastic pipe. The cutting device comprises a cutting base, wherein a hydraulic air cylinder is installed at the left end of the surface of the top side of the cutting base, and a piston rod of the hydraulic air cylinder is fixedly connected with the left end of the surface of the bottom side of a cutting mechanism; the left side of the center of the front side face and the left side of the center of the rear side face of the cutting mechanism are rotationally connected with the inner side wall of an opening in the top end of the outer side wall of a first rack and the inner side wall of an opening in the top end of the outer side wall of a second rack respectively through a first supporting shaft and a second supporting shaft; a first motor is installed at the right end of the cutting mechanism, an output shaft of the first motor is provided with a cutting saw, and a chip collecting tank is installed under the cutting saw; a first fixed base fixedly connected with a second motor is installed in front of the chip collecting tank, and an output shaft of the second motor is provided with a rotating cylinder; a second fixed base is installed directly behind the chip collecting tank; and a chip discharge hole of the chip collecting tank communicates with a chip receivingtank through a chip conveying cylinder. The cutting device solves the problem of low cutting efficiency of an existing plastic pipe cutting device.

A power machine room monitoring system disclosed by the present invention comprises a mounting plate, the outer wall of one side of the mounting plate is provided with four groups of positioning holes, the four groups of positioning holes are respectively located at the four corners of the mounting plate, and the four positioning holes are internally inserted with fixing bolts. A transverse plate is fixedly connected to the outer wall of one side of the mounting plate, a lifting assembly is fixedly connected to the outer wall of the bottom of the transverse plate, a first fixing plate is fixedly connected to one side of the lifting assembly, and a rotating assembly is arranged at the top of the first fixing plate. A third fixing plate can drive a first camera to adjust the shooting angle, when a first motor stops rotating, the shooting angle of the first camera is horizontal shooting, the shooting angle of the first camera from top to bottom is changed from top-down shooting to horizontal shooting, overall and face shooting of a person can be effectively carried out, and the shooting efficiency of the person is improved. And the condition of unfavorable monitoring caused by unclear shooting is avoided.

The invention relates to the field of water meters, in particular to an anti-disassembly non-magnetic water meter which comprises: a water meter shell, wherein a glass cover is fixedly arranged on the water meter shell, and through holes penetrating through the water meter shell are formed in the two sides of the water meter shell; a pipeline mechanism which penetrates through a through opening formed in the water meter shell, is fixedly connected with the water meter shell and is used for fixedly installing the water meter body; and a metering mechanism which is installed in the water meter shell, wherein the metering mechanism in the water meter shell can be read through the glass cover so that water flow can be calculated conveniently. According to the anti-disassembly non-magnetic water meter, the first rotating assembly drives the second rotating assembly to rotate, the second rotating assembly drives the third rotating assembly, the rotating speed is reduced step by step, the measuring range of the water meter is greatly widened, the third rotating assembly can be reset through the locking reset component, a worker can conveniently use and read, and the water meter is not easy to disassemble, so that the water meter is prevented from being damaged by non-professionals, operation is simple, and practicability is high.

The invention relates to the technical field of green tea processing, in particular to a green tea drying treatment method. The green tea drying treatment method comprises the following steps that S1,tea leaves are poured into a flat-bottomed pot body and are laid, then a button on a mounting table is pressed, the button sends an electrical signal to a microcontroller which is electrically connected with the button, and the microcontroller controls a motor to rotate after receiving the electrical signal; S2, the motor rotates to drive a grinding shaft to rotate and a speed reducing mechanismto operate, the grinding shaft is fixedly connected with an output shaft of the motor, the speed reducing mechanism is operated, so that a hollow rotating shaft which is connected with the speed reducing mechanism, and the grinding shaft in the hollow rotating shaft rotate at different speeds, a stirring and frying sheet connected with the hollow rotating shaft rotates along with the hollow rotating shaft, and the tea leaves in the pot body are stirred and fried by the stirring and frying sheet arranged obliquely; and S3, in the tea leaf stirring and frying procedure, smashed leaves are produced, and the smashed leaves enter a hollow chamber of the stirring and frying sheet from meshes formed in the stir-fry sheet and then enter the interior of the hollow rotating shaft communicating withthe hollow chamber along the bottom wall of the hollow chamber arranged obliquely.

The invention relates to the technical field of cloth storage, and discloses a moisture-proof cloth storage box for cloth storage. The moisture-proof cloth storage box for cloth storage comprises a box body, wherein a partition plate is arranged in the interior of the box body; a water receiving rod is fixedly connected to the left side of the partition plate; a receiving box is arranged below thewater receiving rod; two conductive rods are arranged in the interior of the receiving box; a water absorbing block is fixedly connected between the two conductive rods; a blocking plate is arrangedbelow the water absorbing block; baffle rods are fixedly connected to the side surface of a driving shaft; a friction block is slidably connected to one side, away from the axis, of each baffle rod; an exhaust fan is fixedly connected to the bottom of the driving shaft; a linkage rod is fixedly connected to the bottom of the exhaust fan; and a centrifugal wheel is fixedly connected to the bottom of the linkage rod. According to the moisture-proof cloth storage box for the cloth storage, the water absorbing block is matched with the exhaust fan for use, so that when the storage box is wet, water vapor in the interior of the storage box is automatically removed, and cloth is prevented from being damaged by the water vapor.

The invention relates to the field of engineering, in particular to an automatic snow shoveling and loading device. The functions of automatic snow collecting and truck loading can be achieved, the ice shaving function can be achieved, the position of the motor is changed, and the ice shaving and truck loading speed can be adjusted; and the automatic compaction height can be adjusted by adjustingthe height of the lifter. The device comprises a snow collecting device; a compaction device; an icebreaking device; and a belt which changes the rotating speed of the first rotating wheel, so that the snow collecting speed is changed, the snow collecting speed can be increased on the road surface with much blood and snow, the snow collecting speed can be decreased on the road surface with littlesnow, energy is saved, and variability is improved. The initial position of the compaction plate is changed, so that the snow compaction effect is changed; the rotating speed of the rotating wheel IIIis changed, so that the rotating speed of the functional rod is changed, the movement speed of the ice breaking head is changed, the ice breaking and snow hardening speed is changed, the speed can beincreased on a road with more ice, the speed can be reduced on a road with less ice, energy is saved, and variability is improved.

The invention discloses a liquid packaging machine with a vacuum rust-proof and easy-to-replace packaging mold, and relates to the technical field of liquid packaging, in particular to a casing, a first hydraulic rod and a water storage tank. There is a screw connection between the two, and a conveyor belt is installed inside the left end of the casing. The liquid packaging machine with vacuum-resistant rust-proof and easy-to-replace packaging molds, and the arrangement of the position between the sorting rod and the shaft rod, enables the device to fully sort the liquid packaging bags, and avoids the packaging bags being damaged due to improper sorting. There are folds between them, which will affect the overall appearance of the liquid packaging bag and its volume, resulting in a large difference in volume and volume between the packaging bags, which will affect the performance of the packaging machine. In connection, the arrangement of the chain reduces the number of motors used, and reduces the cost of manufacturing a liquid packaging machine with a vacuum rust-proof and easy-to-replace packaging mold.

The invention discloses a double-wing deep-water net cage suitable for single point mooring. The net cage is provided with a frame system and a net, wherein the frame system floats on the sea surface,and is provided with a mooring point for connecting a single-point mooring system, and the net is hung on the frame system; the frame system is of an axisymmetric frame structure, and the mooring point is located on the symmetry axis of the frame system and at the forefront of the frame system; and the frame system is provided with a left wing frame piece and a right wing frame piece which are arranged symmetrically along the symmetry axis, the front edge of the left wing frame piece and the front edge of the right wing frame piece are inclined straight edges inclined to the symmetry axis, and the inclined straight edges incline and extend from the inside to the outside of the frame system according to a direction from the front end to the rear end of the frame system; and angles betweenthe inclined straight edges and the symmetry axis are 30-60 degrees. The net cage has the advantages of strong incident flow stability and strong wave resistance, high rigidity of the whole frame system and good rotation stability when the direction of water flow changes.

The invention discloses an efficient dust removal device for building construction protection in the technical field of building construction devices.The efficient dust removal device comprises a dust collection device, a dust treatment device and a binder supply device.The dust collection device comprises an automatic guide trolley, and a dust collection mechanism is mounted at the top of the automatic guide trolley; the dust collecting mechanism comprises a dust collecting tank body, a collecting air inlet is formed in one end of the dust collecting tank body, a collecting air outlet is formed in the other end of the dust collecting tank body, a plurality of collecting baffles are arranged in the dust collecting tank body, and the collecting baffles are installed in a staggered mode to form a multi-S-shaped structure. By arranging the dust collecting device, dust impacts a collecting baffle during movement, then loses kinetic energy and falls to the bottom of a dust collecting tank body, compared with water spraying dust removal in the prior art, the device does not affect the road surface, meanwhile, the rotating speed of a collecting air inlet and a collecting air outlet is extremely low, energy consumption is smaller, and the dust collecting effect is better. And the environmental protection performance of the device is improved.

The invention relates to an anti-icing hydraulic engineering gate. The anti-icing hydraulic engineering gate comprises a gate plate, a stand column, a power generation device arranged on a water opposing surface of the gate plate, a water storage device, and a circulating water pipe arranged on a water facing surface of the gate plate. Through improvement of all parts, the hydraulic gate realizes autonomous ice removal under the condition of basically needing no external energy, and can realize remote intelligent control.

The invention discloses a non-electrically driven self-rotating copper hot pot, which includes a mounting base, an inner cylinder, an outer basin and a partition cylinder, wherein the mounting base is used to place a heat source that provides heat, and the heat source is charcoal fire or electric heating equipment The lower end of the inner cylinder is rotatably arranged on the mounting seat, and the middle part of the inner cylinder is a partition; the outer basin is used to place heated food, and the outer basin is sleeved on the outer wall of the inner cylinder with its opening facing upwards , the horizontal height of the outer basin matches the partition part; the partition cylinder is cylindrical and sleeved in the middle part of the inner cylinder, its upper end converges inward and is sealed with the partition cylinder, and its lower end extends into the bottom of the outer basin, so A steam space is formed between the partition cylinder and the partition part, and a storage space is formed between the partition cylinder and the outer basin. When using a copper pot, the steam in the steam space is finally ejected from the jet pipe, and the counter-propelling force generated by it has a component force in the circumferential direction of the inner cylinder, so that the inner cylinder is used to generate rotation and realize the effect of automatic rotation.

The invention relates to a mechanism realizing multispectral reflective filtering, belonging to the technical field of space remote sensing. At present, the multispectral filtering mechanism of a space optical remote sensor is always a transmission-type optical filter turning wheel mechanism, but the transmission efficiency of the transmission-type optical filter is lower, and the turning wheel has the disadvantages of large size, large development difficulty, low reliability and big disturbance in the imaging process. In order to eliminate the defects in the prior art, the invention aims to provide a multispectral reflective filtering mechanism comprising a multispectral reflective optical filter assembly and an optical filter switching mechanism, wherein the multispectral reflective optical filter assembly and the optical filter switching mechanism are connected by a revolving axle and a key in the optical filter switching mechanism. The mechanism can effectively improve filtering transmission efficiency and has the advantages of small volume and good stability.

The invention discloses equipment for mixing granular drug. The equipment comprises a mixing kettle and a material extraction part, the mixing kettle is used for mixing at least two granular materials, the material extraction part is matched with the mixing kettle to extract materials in the mixing kettle and comprises a material extraction pipeline, a fan matched with the material extraction pipeline and an L-shaped diversion plate arranged in the material extraction pipeline, and a material gap for materials to pass is formed between the diversion plate and the material extraction pipeline.By arranging the material extraction part, the materials after being mixed well can be extracted from the mixing kettle quickly, the whole process improves material discharging efficiency, and production efficiency is improved; the process brings convenience to convey the materials to a specified place, so that feeding efficiency is improved.

The invention discloses a rigid endoscope air-drying device for otolaryngology, relates to the technical field of air-drying devices, and comprises a drying shell. A partition is installed at the bottom of the inner wall of the drying shell, and the outer wall of the top of the partition is connected with a hollow through a bearing. The outer wall of one side of the hollow tube is equipped with first air nozzles distributed equidistantly, and the bottom of the outer wall of one side of the hollow tube is installed with second air nozzles. The invention is provided with an air pump, the air outlet pipe on the air pump can drive the arc-shaped plate and the hollow tube to rotate, and the driving gear on the hollow tube drives the polygonal cylinder on the driven gear to rotate, thereby driving the fixed endoscope to rotate. Fully air-dry the surface of the endoscope. The trapezoidal groove on the outer wall of the protective tube can allow the wind to enter the inside of the protective tube, reducing the splash of water droplets on the outer wall of the protective tube to the outside, thereby avoiding affecting the normal air-drying of other endoscopes.