93results about How to "Smooth through" patented technology

The utility model discloses gate hoisting installation hoisting equipment for water conservancy flood control engineering, which relates to the technical field of water conservancy engineering, and comprises a crane, a cantilever arranged at the top of the crane, a steel wire rope arranged on the cantilever, a lifting hook hung at the bottom of the steel wire rope, a first lifting rope hung on the lifting hook, and a rectangular frame connected with the bottom of the first lifting rope, a gate is arranged in the rectangular frame, first through grooves are formed in the middles of the left side wall and the right side wall of the rectangular frame in a penetrating mode, and clamping mechanisms are installed in the first through grooves in a penetrating mode. According to the utility model, by arranging the overturning driving mechanism, the function of automatically switching between the horizontal hoisting state and the vertical hoisting state of the gate is realized, and the two hoisting modes are continuously carried out without manual secondary suspension; by arranging the supporting mechanism and the clamping mechanism, the effect of automatically adjusting the gate to be aligned with the square groove can be achieved, it is ensured that the gate smoothly penetrates through the cross beam, and the clamping mechanism is used for clamping the gate to be stably hoisted, assisting the gate in overturning and adjusting the gate to be aligned with the square groove.

The utility model relates to the technical field of ultrasonic automatic flaw detection, in particular to a three-centering clamping transmission mechanism for ultrasonic flaw detection of tubes and bars. The device comprises a three-centering main body box body, wherein the box body is provided with a clamping device and a transmission device. The clamping device comprises a clamping driving assembly, a power transmission assembly and a centering roller. The clamping driving assembly reciprocates to drive the three centering rollers to extend or contract, so that the three centering rollers simultaneously correct the concentricity of the pipe bar from the left upper direction, the right upper direction and the lower direction; and meanwhile, the transmission device provides power to drive the three centering rollers to rotate and drive the pipe bar penetrating through the central hole to be conveyed forwards.

The invention discloses equipment for detecting waste gas leakage and a detection method, and belongs to the field of sealing performance detection equipment. The device mainly comprises a moving device, the moving device comprises a first connecting seat and a second connecting seat, one end of the first connecting seat is fixedly connected with a first steering engine, the output end of the first steering engine is connected with one end of the second connecting seat, the other end of the first connecting seat and the other end of the second connecting seat are respectively connected with a second steering engine, and the second steering engines are fixedly connected with a fixed seat. The bottom of the fixed seat is rotatably connected with the movable seat through a slewing mechanism, the bottom of the movable seat is provided with a magnetic attraction block for being fixed with the waste gas pipeline, the movable seat is fixedly connected with at least one inspection mechanism, and the ends, away from each other, of the two movable seats are slidably connected with regular inspection mechanisms respectively. The device is simple in structure, achieves the quick preliminary detection of the sealing performance of a waste gas pipeline with a U-shaped fixing frame and a flange plate, achieves the regular detection of a suspected waste gas leakage position, and greatly improves the detection precision and detection efficiency.

The present invention discloses a drilling device and a drilling process for PCB processing, which relates to the technical field of PCB drilling processing, and includes the following steps: cleaning and adjusting the tabletop to ensure that the surface of the drilling platform is flat and free of granular garbage; fixing the PCB board to be processed on the drilling platform with a special pin, and covering the PCB board with an aluminum sheet of uniform thickness and fixing the edge thereof, wherein the thickness of the aluminum sheet is 0.13 mm; and transferring the program and parameters to be drilled into the drilling machine. The present invention places an aluminum sheet of known thickness on the PCB board, and can irradiate the aluminum sheet by setting an optical sensor at the drilling machine position, so as to reflect infrared rays by utilizing the good reflective performance of the metal surface, and judge the position of the drilling machine and the metal top by the reflected signal, and at the same time, a conductive induction device is set in coordination with it, so that conduction is completed at the moment when the drill bit contacts the metal aluminum sheet.

The invention provides a full-seasonal greenhouse film material and a planting device, and belongs to the technical field of greenhouse devices. The membrane material comprises an infrared spectrum selective layer, a hydrogel layer and a heat insulation layer which are arranged in an overlapped mode. The infrared spectrum selective layer is used for emitting infrared radiation to the environment, the infrared radiation emissivity of the infrared spectrum selective layer is in direct proportion to the environment temperature, and the sunlight transmittance of the infrared spectrum selective layer is larger than or equal to 90%; the hydrogel layer is used for transmitting sunlight, the sunlight transmittance of the hydrogel layer is inversely proportional to the ambient temperature, and the infrared radiation transmittance of the hydrogel layer is greater than or equal to 90%; the heat insulation layer is used for insulating heat, the sunlight transmittance of the heat insulation layer is larger than or equal to 90%, and the infrared radiation transmittance of the heat insulation layer is larger than or equal to 90%. Through cooperation of the infrared spectrum selective layer, the hydrogel layer and the heat insulation layer, automatic regulation and control of the internal temperature of the greenhouse are achieved, meanwhile, the heat insulation layer isolates the internal environment and the external environment of the greenhouse, and energy consumption of the greenhouse is reduced.

The utility model discloses a landscaping drainage structure, which belongs to the technical field of drainage and comprises a drainage channel, a filter component is mounted at the upper end of the drainage channel and consists of a mounting base plate, a filter screen cover, a connecting strip, a support net and filter stones, the filter screen cover is fixedly inserted on the mounting base plate, and the connecting strip is connected with the filter screen cover. The two connecting strips are symmetrically and fixedly installed at the lower end of the installation base plate, the supporting net is fixedly installed at the inner ends of the two connecting strips, the filtering stone is placed at the upper end of the supporting net, and the filtering assembly is installed at the upper end of the drainage channel through two sets of fixing structures. The filtering net cover, the filtering stones and the supporting net on the filtering assembly can conduct multiple filtering on water flowing into the drainage channel, the filtering net cover can block and filter some large sundries, the filtering stones on the supporting net can block and filter some small sundries, and therefore the probability that the sundries enter the drainage channel can be reduced, and the drainage effect is improved. The probability that the drainage channel is blocked by sundries is reduced.

The utility model discloses a wire threading device for indoor decoration, which comprises a steel wire and joints with elliptical structures, the two ends of the steel wire are connected with the joints, the joints comprise an end head I and an end head II, one end of the end head I is detachably connected with the end head II, and the other end of the end head I is fixedly welded with an insertion cylinder; a threaded pipe is fixed to the center of the end face of the first end, a plurality of wire pressing grooves extending into the threaded pipe from the end are formed in the threaded pipe, an inner penetrating hole penetrating through the two ends is formed in the center of the second end, and a hexagon nut is fixed to the inner wall of the inner penetrating hole. And the hexagonal nut can be in threaded connection with the threaded pipe. According to the electric wire threading device for indoor decoration, the end of the electric wire is firmly pressed on the wire pressing groove of the threaded pipe through the hexagonal nut, rapid and firm connection can be achieved, knots cannot be generated at the connecting position, the electric wire can smoothly penetrate through the wire pipe, the technical defects of an existing threading device are overcome, and practicability is improved.

The invention provides a fire safety detection device based on a multi-rotor unmanned aerial vehicle, and relates to the technical field of multi-rotor unmanned aerial vehicles, the fire safety detection device comprises a fuselage, a controller is arranged in the fuselage, a mounting rack is arranged in the fuselage, the controller is located in the middle of the mounting rack, the mounting rack is fixedly connected with a servo motor, and the servo motor is located in the middle of the fuselage. The outer side of the fuselage is fixedly connected with a set of limiting rods in an annular array, supporting rods are arranged in sliding grooves of the limiting rods, telescopic assemblies are arranged on the supporting rods and used for changing the width of the unmanned aerial vehicle, and a cleaning assembly is arranged on the fuselage and used for cleaning the unmanned aerial vehicle. The cleaning assembly is used for cleaning stains on the protective glass cover on the periphery of the detection lens. By arranging the telescopic assembly and the cleaning assembly, when the unmanned aerial vehicle is used, an operator can control the unmanned aerial vehicle to pass through a narrower area and can clean the detection lens in time, so that a picture returned by the unmanned aerial vehicle is kept clear.

The utility model belongs to the technical field of printing machines, and particularly relates to an edge trimming device of a printing machine, which comprises an outer frame, edge trimming rollers and an adjusting component, the edge trimming rollers matched with each other are arranged in an inner cavity of the outer frame, and a through inlet and outlet is arranged on the outer frame corresponding to the edge trimming rollers. The two ends of a roller shaft of the edge trimming roller are rotationally connected to the adjusting assemblies at the corresponding positions, and placement seats of the adjusting assemblies are rotationally connected with the roller shaft through bearings and slidably arranged in the placement grooves. According to the edge trimming device, the edge trimming rollers are installed on the outer frame through the adjusting assemblies, in the using process, the distance between every two adjacent edge trimming rollers is adjusted through the adjusting assemblies, so that the distance between every two adjacent edge trimming rollers can be adjusted smoothly, a textile fabric can smoothly penetrate through the two adjacent edge trimming rollers conveniently, and the edge trimming efficiency is improved. And the positions are adjusted after penetrating, so that the two adjacent edge trimming rollers abut against the textile fabric, the edges of the textile fabric are effectively trimmed, the structure is simple, use and operation are convenient, and use is convenient.

The utility model discloses a novel hot drying machine which comprises a main body, a plurality of fixing cylinders with triangular sections are arranged in the main body, fixing cylinder covers are arranged at the two ends of each fixing cylinder, guide rails are arranged on the outer edges of the fixing cylinder covers, and two lower cross rods located at the two ends of the lower portion are arranged on the inner wall of the main body. A guide rod located at the front end is further arranged on the inner wall of the body, a guide rope is arranged among the lower cross rod, the guide rod and the guide rail in a sleeved mode, and at least one fixing rope is arranged on the guide rope. The utility model has the following advantages and effects: through the movement of the guide rope, the fixing rope can be bound on the fabric, so that the fabric automatically passes through each guide roller, the smooth passing of the fabric is ensured, and the problem that the fabric is difficult to penetrate due to the large occupied space of the fixed guide roller is avoided.

The conductive light shield for a probe station of the present invention for cable connection pin clips includes a conductive shield body and a light-absorbing layer. The conductive shield body covers the outside of the pin clip on the probe station. The conductive shield body includes a top wall and side walls extending downwards from the edge of the top wall, with one end of the side wall away from the top wall contacting the probe station. The conductive shield body provides electrostatic shielding and optical protection, ensuring that the pin clip is protected from electrostatic discharge and stray light interference during testing, thereby improving testing accuracy and stability. Cable openings are provided on the side walls to accommodate the cable layout between the pin clip and the testing machine, ensuring that the cable can pass smoothly and maintain a normal connection with the testing system. The light-absorbing layer is disposed on the surface of the conductive shield body. The organic carbon black coating has good light absorption properties and can effectively absorb stray light from the environment, reducing interference from light reflection on the optical alignment system.

The utility model discloses a sericite powder production is with removing iron purification device, including the device body, and the top and bottom of device body are equipped with feed port and discharge gate respectively, and the inner wall between device body is rotatably connected with two rubbing rollers, and one side of device body is provided with rubbing assembly, and rubbing assembly is used for driving two rubbing rollers to rotate, and one side fixedly connected with sieve plate of device body, and the inner wall between device body is slidably connected with the roller compactor, and the outside of roller compactor is in contact with sieve plate, and the inside of device body is provided with displacement assembly, and displacement assembly is used for driving roller compactor to move, and one side of device body is equipped with the sliding slot. The utility model drives two rubbing rollers to rotate between the inner wall of device body through rubbing assembly, and drives roller compactor to move between the inner wall of device body through displacement assembly, makes the roller compactor roll on the sieve plate, thereby carries out further rubbing to sericite powder, prevents the powder agglomeration, thereby promotes the efficiency and quality of sericite powder removing iron purification.

This utility model discloses a dust collector for flue gas and dust, relating to the field of waste gas treatment. The key technical features are: a housing and several filter bags; the top of each filter bag is snapped onto the top surface of the housing; a fixing ring is fixedly connected to the bottom surface of each filter bag; several fixing plates are detachably connected to the inner wall of the housing; the fixing rings are detachably connected to the fixing plates; and a through groove is provided on the top surface of each fixing plate. When the fixing plate is connected to the fixing ring, the filter bag is taut, thus keeping it in an extended state, avoiding the need for a frame and ensuring the effective filtration area of ​​the filter bag surface. The PTFE material has good tensile strength, thereby ensuring the service life of the filter bag in a stretched state. The through groove penetrates the fixing plate, ensuring that the flue gas passes smoothly through it.

The application relates to an isolation main shaft assembling tool, and relates to the field of pole-mounted circuit breakers, which comprises a base, a fixing device, a placing rack and a pushing device; the pushing device and the placing rack are arranged on the base; the fixing device comprises a clamping assembly and a supporting assembly; the supporting assembly is arranged on the base and is used for supporting an isolation crank arm; the clamping assembly comprises a first clamping seat, a second clamping seat and a locking piece; the first clamping seat is connected with the base, and the isolation crank arm is placed on the first clamping seat; the locking piece locks the first clamping seat and the second clamping seat, so that the first clamping seat and the second clamping seat clamp one end of the isolation crank arm connected with the isolation main shaft; the placing rack is used for placing the isolation main shaft; the pushing device pushes the isolation main shaft to separate from the placing rack and pass through the isolation crank arm. The application has the effect of improving the assembling efficiency of the isolation main shaft.

The utility model discloses a microneedle application patch structure which comprises a flexible basement membrane, an active functional layer and a plurality of microneedles. The flexible substrate film is a flexible film; the active functional layer is combined on a first surface of the flexible substrate film; each microneedle comprises a needle bottom, a needle body and a needle tip which are integrally formed; the needle bottom is combined with the first surface of the flexible base film, the active functional layer covers the needle bottom, and the needle body and the needle tip protrude out of the surface of the active functional layer; the microneedle is of a solid structure made of a soluble high-molecular polymer. When the microneedle application sheet is used, the active functional layer and the microneedle face and are tightly attached to the surface of the skin, the microneedle can pierce the cuticle and the epidermal layer of the skin of a user to form a micropore transmission channel, and effective components permeate into the deep layer of the skin.

The utility model provides an end portion actuator assembly and surgical instrument, can solve the problem of reducing the intensity of pressure of cutting tissue and avoiding the problem of blocking in the pushing process of a cutting knife, the end portion actuator assembly comprises a nail bin assembly and a nail abutting seat which can move relatively to achieve opening and closing, the nail bin assembly comprises a nail bin, the cutting knife and a knife pushing mechanism, and the nail bin assembly is connected with the nail abutting seat. Slide ways arranged in the moving direction of the cutting knife are arranged on the nail bin assembly and the nail abutting base respectively, sliding blocks corresponding to the slide ways are arranged on the cutting knife respectively, when the cutting knife moves, the sliding blocks are matched with the slide ways to limit the nail bin assembly and the nail abutting base, and sliding block protrusions are arranged on the side faces, making contact with the slide ways, of the sliding blocks. A plurality of slide way protrusions which are arranged at intervals and correspond to the slide block protrusions are arranged on the slide way, and when the cutting knife moves, the slide block protrusions and the slide way protrusions are matched so that the cutting knife can shake up and down at the same time to achieve tissue cutting.

The utility model discloses a barrier-free dry and wet zoning device for a toilet, which belongs to the technical field of bathroom accessories and comprises a guide frame, a swing frame is rotatably mounted on the side of the guide frame, a water leakage net is fixedly mounted on the upper portion of the swing frame, a baffle is movably inserted into the guide frame, and the baffle is in sealing contact with the ground. The guide frame comprises a stop lever, a guide sleeve and bearing seats, the lower portion of the stop lever is fixedly connected with the guide sleeve, and the bearing seats are symmetrically and fixedly connected to the lower portion of the guide sleeve. The guide frame further comprises a first sealing strip, and the first sealing strip is fixedly connected with the stop lever. The guide frame further comprises an installation base, the guide frame is installed on the wall of a toilet firstly, then the water leakage net is unfolded downwards, the water leakage net acts on the ground seamlessly through the gravity of the baffle, and water is prevented from directly flowing to the lower portion of the water leakage net from the ground. The baffle is used for blocking a shower area, water is prevented from splashing to the water leakage net, the water leakage net is kept dry, a dry area and a wet area are conveniently formed in a bathroom, and practicability is improved.

The utility model relates to the technical field of seed cotton processing machinery, and discloses an embossing rib and an embossing machine middle box, the embossing rib comprises a body and an insert, the body comprises a fixed section, a transition section and a main body section which are of an integrated structure, the transition section is arranged between the fixed section and the main body section, the fixed section is suitable for being connected with a rib row frame, and the insert is suitable for being connected with the rib row frame. The fixed section, the transition section and the main body section jointly form a continuous working surface which is used for separating cotton fibers and discharging cotton seeds, and a mounting part is arranged on the working surface, close to the transition section, of the main body section; the insert part is arranged in the mounting part, and when the insert part is mounted in the mounting part, the surface of the insert part is flush with the working surface of the main body section; according to the cotton ginning rib, the overall strength of the cotton ginning rib is improved, the service life of the cotton ginning rib is prolonged, and the situation that a gap between every two adjacent cotton ginning ribs is blocked by cotton fibers is avoided.

The weather visual double guidance water surface cleaning robot and the cleaning control method disclosed by the application comprise a floating body, a propeller is installed at the tail of the floating body, an outer shell is fixedly connected to the top of the floating body, a weather assembly, a main control box and a photovoltaic panel are fixedly connected to the top end surface of the outer shell, a cleaning mechanism is installed at the head of the floating body, the rear part of the cleaning mechanism extends into the inside of the outer shell, the front part of the cleaning mechanism is located at the head of the floating body, a receiving box is fixedly connected to the inside of the outer shell and is located below the cleaning mechanism, a camera is installed at the top of the cleaning mechanism and faces the front water surface, the macro wind force prediction is combined with the micro image recognition for the first time, the invalid cruising time is greatly reduced by using the wind-induced drift law, and the cleaning efficiency of complex water areas is obviously improved. Meanwhile, the cutting and the stirring are completely decoupled in the physical space and the control logic, and the risk that the main shaft internal transmission mechanism is stuck by the silt and the water grass is fundamentally reduced.

The utility model relates to the technical field of electric dust removers, in particular to a wet-type electric dust remover. According to the technical scheme, the wet-type electric dust remover comprises a connector, a shell, an electrode assembly and a sleeve, the electrode assembly is installed in the shell, a through hole is formed in the shell, a baffle is installed at the position, located at the through hole, of the interior of the shell through a torsional spring, the sleeve is installed at the position, located on the outer side of the through hole, of the shell, the connector is installed in the sleeve, and the connector is fixedly connected with the shell. A pressing plate is arranged on the connector, the connector is elastically installed in the sleeve through the pressing plate and a spring, and a spray head is installed at the tail end of the sleeve. By optimizing the layout, increasing the capturing surface area, preventing pollution, improving the stability, optimizing the water spraying system and the like, the performance and the reliability of the dust remover are effectively improved, and the dust control requirements in various industrial environments are met.

The present application relates to construction device technical field, specifically to a kind of composite aggregate conveying anti-glare board foundation pouring operation platform.A kind of composite aggregate conveying anti-glare board foundation pouring operation platform includes slip film, vibrating rod and adjusting mechanism.Sliding film interior space is divided into front cavity, middle cavity and rear cavity in turn, adjusting mechanism divides middle cavity into first cavity and second cavity, adjusting mechanism includes mounting plate, vibration suppression plate and spring.Working, the second cavity in concrete is vibrated by vibrating rod, and vibration suppression plate is vibrated, and the vibration energy transferred to the first cavity is absorbed and attenuated by the spring buffering effect, to ensure that the first cavity and the front cavity in concrete maintain relatively low fluidity, effectively prevent concrete from spilling out from the opening of front cavity during vibrating process.The present application provides a kind of composite aggregate conveying anti-glare board foundation pouring operation platform to solve the problem that concrete flows out from the opening of front end in the existing concrete slip form construction device, and the problem of leakage or overall collapse occurs.

The invention discloses a rear door plate assembly for a vehicle and the vehicle, the rear door plate assembly comprises an inner plate and an outer plate, and a mounting space is formed between the inner plate and the outer plate; at least part of the reinforcing plate is connected with the inner plate, the reinforcing plate is contained in the mounting space, and a protruding part protruding towards the outer plate is formed at the edge of the reinforcing plate; the wire harness fitting is accommodated in the mounting space, a wire harness mounting part is formed on the wire harness fitting, and an opening for inserting and mounting a wire harness is formed in the wire harness mounting part; wherein the height of the protruding part is h1, the height of the opening is h2, and h1 is larger than h2. According to the rear door plate assembly disclosed by the invention, the height h1 of the lug boss at the edge of the reinforcing plate and the height h2 of the opening of the wire harness fitting are set in the relation range that h1 is greater than h2, so that the mounting wire harness cannot be clamped by the edge of the reinforcing plate when being assembled into the mounting space along with the wire harness fitting, and the smooth assembly of the mounting wire harness is ensured; and the assembly efficiency of installing the wire harness is improved.

The utility model discloses a kind of infrared spectrum gas detection devices of logging gas measurement belongs to gas detection technical field.This kind of infrared spectrum gas detection device of logging gas measurement, including infrared spectrum detector body, first radiating assembly and second radiating assembly, first radiating assembly is set in the opposite sides of infrared spectrum detector body, second radiating assembly is set below infrared spectrum detector body, first radiating assembly includes a pair of side seats, the inside of a pair of side seats is connected with baffle, the top surface and bottom surface of baffle respectively with the inside top end and inside bottom end of side seat form first chamber and second chamber, the inside of first chamber is equipped with first cooling pipe, the outside of first cooling pipe is connected with several first radiating fins, infrared spectrum detector body includes shell, the outside two sides of shell are respectively with the fixed connection of a pair of side seats one side, one end of several first radiating fins is extended to the inside of shell and is penetrated through side seat and shell.

A method for efficiently and synchronously eliminating CO toxic products comprises the steps that a plurality of CO eliminating assemblies preloaded with explosive cartridges and an ascending non-return mechanism are sequentially installed in a preset blast hole, the CO eliminating assemblies embedded with detonators are located on the side close to the hole opening, a supporting base of the ascending non-return mechanism is located on the side close to the hole opening, and meanwhile a blast line is led out of the hole opening; the positioned ascending non-return mechanism is used for preventing the CO eliminating assemblies from sliding towards the hole opening direction; a plurality of sections of columnar hole sealing stemming are used for hole sealing operation; high temperature and high pressure generated at the moment of explosion of the explosive act on a CO eliminating slurry roll in the CO eliminating assembly, so that CO eliminating slurry evaporates and makes full contact with CO toxic gas to achieve CO eliminating operation, meanwhile, part of dust is taken away through part of liquid drops of the CO eliminating slurry, and synchronous dust falling and reducing operation is achieved. The method is simple in implementation process, CO can be eliminated from the source, meanwhile, the synchronous dust falling effect can be achieved, and the environmental protection effect can be effectively improved.

This utility model relates to the field of environmental monitoring technology for cleanrooms in the biopharmaceutical industry, and discloses a special petri dish holder for cleanroom dispensing lines. It includes a petri dish rack and a fixed support, with the rack fixedly connected to the support. The fixed support secures and supports the rack. The rack has a monitoring position for placing petri dishes used for settling bacteria monitoring and a temporary storage position for spare petri dishes. This utility model is used in cleanroom dispensing lines, providing a platform for offline settling bacteria and online airborne bacteria monitoring and dish changing operations. It facilitates operation, improves monitoring efficiency and accuracy, and meets the requirements for using RABS gloves during production, avoiding contamination introduced by opening doors and reducing compliance risks.

The invention discloses an air duct structure and a fan thereof, and belongs to the technical field of fan equipment.The air duct structure comprises a plurality of pipelines, and channels used for conveying air are formed in the multiple pipelines; a mounting frame is mounted between any two adjacent pipelines; an inserting plate is movably inserted into the mounting frame, and a screen is arranged on the inserting plate; according to the screen cloth cleaning and maintaining device, the rotatable louver boards and the driving mechanism are arranged on the inserting plate, and flexible switching of the screen cloth between the using state and the cleaning and maintaining state is achieved. In a natural state, under the elastic pressing effect of the springs, the sliding plates are tightly attached to the side walls of the inserting plates, the rack is driven to enable the louver plates to be perpendicular to the screen, it is ensured that air smoothly penetrates through the screen to be filtered, when the screen needs to be cleaned, the rack can drive the louver plates to synchronously rotate to be parallel to the screen, and therefore the screen is closed, and the cleaning efficiency is improved. And the problem that impurities are scattered in the air duct when the plug board is pulled out for cleaning is solved.

A driven gear quantitative feeding device comprises a rack, a first driving motor, a transmission disc, a rotating shaft, a stacking assembly and a lifting mechanism. The first driving motor drives the rotating shaft to rotate so as to drive the transmission disc to rotate. The multiple stacking assemblies are evenly arranged in the annular direction of the transmission disc, each stacking assembly comprises a chassis, a guide shaft and a first lifting plate, the guide shafts are fixed to the chassis, and the first lifting plates are installed on the guide shafts in a sliding mode. The chassis and the driving disc are respectively provided with a group of through holes. After the stacking assembly rotates to the feeding area along with the transmission disc, the lifting part of the lifting mechanism sequentially penetrates through the through holes and jacks the first lifting plate, so that the gears located on the lifting plate are jacked one by one, and quantitative output of the driven gears is achieved. The device is compact in structure, stable in feeding and capable of achieving ordered distribution and continuous feeding of gears.

The utility model discloses a support frame of a helical blade welding fixing device, which relates to the field of helical blades, and is characterized in that the support frame comprises a base, one side of the base is connected with an expansion seat in a sliding manner, and a support plate for mounting the fixing device is mounted at the top ends of the base and the expansion seat; the supporting plate at the top end of the expansion seat can transversely move, and a limiting assembly is further arranged between the supporting plate and the expansion seat and used for limiting the supporting plate on the expansion seat at a proper position, so that the double-side fixing device has the effects that the double sides of the spiral shaft can be fixed, the threaded blade is more accurately mounted, the fixing operation is simple, and the practicability is high. The fixing device on one side is pushed like a sliding door, the purpose that the threaded blade is arranged on the spiral shaft in a sleeving mode can be achieved, and workers do not need to move the whole supporting frame and the fixing device.