216results about How to "Realize the rotation effect" patented technology

The invention belongs to the technical field of monitoring equipment, and particularly relates to intelligent monitoring equipment based on the Internet of Things, the intelligent monitoring equipment comprises a mounting seat, an intelligent monitoring camera mounted on the bottom surface of the mounting seat and a glass cover arranged below the mounting seat, and a wind power transmission assembly is arranged below the glass cover; the banister brush can rotate in the direction perpendicular to the rotating direction of the glass cover in windy days, the effect of cleaning dust attached to the surface of the glass cover is achieved, the effect of enabling the glass cover to continue to rotate in windy and rainy days is achieved when rainwater is collected in rainy days, and the effect of conveniently scraping away rainwater on the surface of the glass cover is achieved; and cleaning of the surface of the glass cover by the banister brush is stopped in rainy days, dust attached to the inner wall of the water collecting box can be scoured, the effect of cleaning the surface of the glass cover is achieved through collected rainwater, and the shooting definition of the intelligent monitoring camera is guaranteed.

The invention discloses a recycling device for extracting lithium from brine, and relates to the technical field of extracting lithium from brine, the recycling device comprises a heating tank, the heating tank is provided with a stirring assembly for stirring the brine in the heating tank, and the stirring assembly comprises airtight boxes arranged at the top of the heating tank at intervals; a plurality of gas conveying pipes communicating with the interior of the airtight box are arranged on the periphery of the airtight box, gas inlet one-way valves are fixedly installed on the inner walls of the ends, extending into the airtight box, of the gas conveying pipes, the other ends of the gas conveying pipes communicate with the interior of the heating tank, and stirring rods are rotatably installed on the bottom wall of the airtight box; the bottom end of the stirring rod penetrates through the top wall of the heating tank and then extends into the heating tank, and a plurality of air outlet holes are formed in the outer wall, extending into the heating tank, of the stirring rod. According to the device, brine liquid is driven by gas to move to form vortex and rotation, and the movement is beneficial to enhancing the liquidity and the mixing effect of the liquid and promoting uniform mixing of different components.

The utility model relates to the technical field of gas purification, and discloses a high-purity gas purification device which comprises a purification box, a guide pipe is rotatably connected in a connecting cylinder, a valve is fixedly mounted in a gas inlet pipe, an annular frame is fixedly mounted in the purification box, a supporting frame is movably attached to the outer wall of the annular frame, and a gas inlet pipe is fixedly mounted in the supporting frame. Activated carbon cotton is movably placed on the outer wall of the supporting frame. According to the high-purity gas purification device, when activated carbon cotton needs to be replaced, an electric telescopic rod is opened to drive a guide rod and a transverse plate to move upwards, a cover plate is driven to be away from the interior of a purification box, a connecting rod is driven to move upwards, a supporting frame is driven to move upwards, and the activated carbon cotton is driven to move upwards, so that the activated carbon cotton is moved out of the interior of the purification box; the problem that when sponge activated carbon molecules adsorb enough pollutants, the sponge activated carbon molecules need to be replaced in time, and if the sponge activated carbon molecules are not replaced in time, the concentration of subsequent carbon dioxide may be affected is solved.

The utility model discloses a concrete pouring template for building environmental protection, which comprises a U-shaped plate, side plates are arranged on two sides of the U-shaped plate, guide plates are arranged on the other two sides of the U-shaped plate, a U-shaped frame is sleeved and connected outside the guide plates, a handle is arranged at the top end of the U-shaped frame, a scraping plate is arranged on one side of the U-shaped frame, and the scraping plate is arranged on the other side of the U-shaped frame. And grooves are formed in the bottom ends of the two sides of the U-shaped frame. The scraping plate is driven to move through left-right sliding of the U-shaped frame, then the surface of poured concrete is scraped to be flat, and in the process, the top end of the swing plate collides with the outer wall of the U-shaped plate through synchronous cooperation with the mutual attraction effect of the swing plate, the second magnetic block and the first magnetic block, so that the surface of the poured concrete is scraped to be flat. And therefore, the vibration effect on the concrete poured in the U-shaped plate is achieved, it is guaranteed that the concrete is downwards vibrated and compacted, and the flatness of the surface of the concrete is further promoted.

The invention belongs to the technical field of sewage treatment, and particularly relates to an oily sewage treatment device which comprises a sewage pool, water outlets are formed in the two ends of the sewage pool, two treatment plates are arranged in the sewage pool, a rotating shaft is fixedly inserted into the middle sections of the two treatment plates, and rotating discs are fixedly connected to the two ends of the rotating shaft. The two ends of the rotating shaft are further rotationally connected with supporting plates, a pressing shaft is arranged on one side of each supporting plate, the lower end of each pressing shaft abuts against the side edge of the rotating disc, and a first connecting plate is fixedly connected between the upper ends of the two supporting plates. Meanwhile, the lifting mechanism is arranged beside the sewage pool, in the reaction process of oil dirt and an oil dirt flocculating agent, the treatment plate plays a role in bearing flocculate, the flocculate can be directly filtered and separated from sewage through the lifting mechanism, and after flocculation is finished, the flocculate is directly filtered and cleaned through the treatment plate used for mixing before.

This utility model discloses a raw material storage tank that facilitates pipeline integration, relating to the field of pipeline integration technology. It includes an installation plate; a tank body is fixedly installed on the installation plate; a side frame is fixedly installed on the side wall of the tank body; the side frame is fixedly installed to a support frame at the bottom of the installation plate; an installation pipe is fixedly installed on the side wall of the tank body via an installation seat; one end of the installation pipe is fixedly installed to an integrated pipe; a first material pipe and a second material pipe are integrally formed on the integrated pipe; a detachable connector is fitted to one end of the integrated pipe; the detachable connector includes an installation shell; one end of the installation shell is fixedly installed to the integrated pipe via bolts; in use, the installation pipe is fixedly installed to the material inlet on the side wall of the tank body, and one end of the installation pipe, the first material pipe, and the second material pipe are all connected to the integrated pipe, thus effectively realizing the transfer of materials through the first and second material pipes.

The present invention discloses a bus duct for power transmission and transformation equipment, including a wire duct, a buckle and a duct cover, a second rotating shaft is installed at the center position of the top of the duct cover, a rotating disk is arranged at the top of the second rotating shaft, first rotating shafts are installed on both sides of the bottom of the duct cover, and belts are installed on the outside of the first rotating shaft and the bearing, a wire duct is installed below the duct cover, and a heat radiation layer is arranged on the outer wall of the wire duct, radiation particles are evenly arranged on the outer wall of the heat radiation layer, joint side plates are evenly installed on both sides of the heat radiation layer, insulators are evenly installed on the inner wall of one side of the wire duct, and one side of the insulator is fixedly connected by a heat shrink tube through a hinge. The present invention realizes the function of heat dissipation in the wire duct through radiation acceleration by arranging a heat radiation layer on the outer wall of the wire duct, and is easy to promote and use.

The utility model belongs to the technical field of sterilization kettles, and particularly relates to a circulating pasteurized yoghourt sterilization kettle which comprises supporting legs and a sealing rubber ring, the sterilization kettle is fixedly installed at the tops of the supporting legs, a sealing cover plate is rotatably installed on one side of the sterilization kettle, a supporting assembly is arranged on the inner wall of the sterilization kettle, and the sealing cover plate is rotatably installed on the supporting assembly. A rotating mechanism is arranged on the inner wall of the sterilization kettle, a circulating mechanism is arranged at the bottom of the sterilization kettle, a sterilization assembly is arranged at the top of the inner wall of the sterilization kettle, a fixing assembly is arranged on the side, close to the sterilization kettle, of the sealing cover plate, and the supporting assembly comprises an arc-shaped supporting groove and a flow guide hole. Through the arrangement of the arc-shaped supporting grooves and the flow guide holes, the arc-shaped supporting grooves can provide stable supporting for the storage frame, it is guaranteed that the storage frame does not shake during rotation, and through the arrangement of the flow guide holes, pasteurized paper can smoothly flow into the water outlet to be recycled.

The utility model relates to the field of corrugated pipes, in particular to a detachable corrugated pipe which comprises a second connecting piece and a gear ring, the inner wall of the gear ring is meshed with first gears arranged at equal intervals, the inner wall of each first gear is fixedly connected with a threaded rod, and the outer surface of each threaded rod is slidably connected with the inner wall of the second connecting piece. The right side face of each threaded block is fixedly connected with the left side face of a second connecting piece, the effect of synchronous rotation of the multiple first gears is achieved through rotation of a gear ring and meshing connection between the gear ring and the multiple first gears, the first gears drive threaded rods to rotate, and through threaded connection between the threaded rods and the threaded blocks, the effect of synchronous rotation of the multiple first gears is achieved. According to the device, the threaded rod and the threaded block are connected, the effect of connecting the first connecting piece and the second connecting piece is achieved, then tedious operation steps can be omitted, the effect of mounting and dismounting the corrugated pipe can be achieved directly through connection between the gear ring and the first gear, and rapid dismounting is facilitated.

The present invention belongs to the field of weld heating welding technology, and discloses a multi-stage heating device for thick-walled pipe welds, including a base, a coolant storage tank fixedly connected to the upper surface of the base, four evenly distributed table legs fixedly connected to the lower surface of the base, a support column and a curved pipe fixedly connected to the upper surface of the coolant storage tank, a straight pipe fixedly connected to one end of the curved pipe, a support column fixedly connected to one end of the straight pipe, a heating plate fixedly connected to the outer edge of the other end of the straight pipe, a temperature regulating and pressurizing mechanism fixedly connected to the curved pipe is provided inside the curved pipe, two sliding grooves are fixedly connected to the upper surface of the base, and a cylinder is fixedly connected to the lower surface of the base. The present invention can effectively control the temperature in the welding process through the principle of thermal expansion and contraction of the medium inside the shell when the temperature of the heating plate is too high, reduce heat waste, shorten welding time, and improve production efficiency through the design of the temperature regulating and pressurizing mechanism.

The invention relates to a solid-liquid separation device for dredging mud in a ship lock approach channel, and belongs to the field of solid-liquid separation devices. The device comprises a separation box for the desilting machine and a feeding hopper arranged at the top of the separation box for the desilting machine. A coarse separation unit is arranged below the feeding hopper, and a fine separation unit is arranged at the bottom of the separation box for the dredging machine. The fine separation unit comprises a filter screen cylinder and two extrusion filter cylinders; semi-arc grooves are uniformly formed in the bottom of the separation box for the dredging machine; the filter screen cylinder is rotationally arranged in the semi-arc groove; the two extrusion filter cylinders are fixedly arranged on the two sides of the separation box for the dredging machine correspondingly and rotationally connected with the two ends of the filter screen cylinder correspondingly. A discharge hole is formed in one end, deviating from the filter screen cylinder, of the extrusion filter cylinder; a sealing unit is arranged at the discharge hole; the sealing unit is used for opening or closing the discharge hole; the filter screen cylinder is communicated with the two corresponding extrusion filter cylinders, and a working space is formed; a filter pressing unit is arranged in the working space in a sliding manner; the solid-liquid separation device has the technical effects of the solid-liquid separation device for ship lock approach channel dredging mud.

This invention proposes a method for starting a ball mill under low power conditions, comprising the following steps: Step 1, turning off all electrical appliances unrelated to the test run; Step 2, starting the hydraulic system to allow lubricating oil to enter the ball mill journal and form an oil film, causing the ball mill cylinder to be suspended above the oil film and remain stationary for a certain period of time; Step 3, after the ball mill has been stationary for a certain period of time, marking the lowest point on the end face of the ball mill; Step 4, rotating the ball mill cylinder, and after the cylinder has rotated a certain angle, placing a wooden board between the teeth of the large gear on the cylinder and the ground; This invention shifts the center of gravity of the ball mill by a certain angle, causing the cylinder to rotate under its own gravity and inertia, while simultaneously coordinating with the main motor to drive the pneumatic clutch to drive the small gear to rotate, thus ultimately achieving the effect of the main motor driving the cylinder to rotate, completing the test run of the ball mill under low current load, and avoiding power outages.

The utility model discloses an electronic sensor storage device, and relates to the technical field of electronic sensors. The device comprises a protective shell, an observation plate is arranged on the front side face of the protective shell, a placement plate is fixedly connected to the inner wall of the protective shell, and a placement groove is formed in the top of the placement plate; a ventilation device is arranged in the protective shell and comprises a ventilation groove, the ventilation groove is formed in the side face of the protective shell, the inner wall of the ventilation groove is rotationally connected with a rotating cover plate, and the inner wall of the protective shell is fixedly connected with a motor A. The force for driving the reciprocating lead screw to rotate through the motor A is matched with a limiting rod, a threaded sleeve, a rotating shaft and other assemblies in the ventilation device, the effect that the rotating shaft rotates to drive fan blades to rotate is achieved, the effect of helping to improve ventilation of the protection shell through the fan is achieved, it is guaranteed that air can flow, and the ventilation effect is improved. And retention of moisture in the protective shell is reduced.

The embodiment of the present application provides an electromagnetic compatibility detection device and a detection method, which relate to the field of electromagnetic compatibility detection technology. An electromagnetic compatibility detection device includes a base frame, the outer side of the base frame is fixedly connected to a stand, and legs are fixedly connected to the four sides of the bottom of the stand, a top frame is arranged above the base frame, and the outer side of the top frame is fixedly connected to a side cover; the inner cavity of the top frame is provided with an adjustment component used in conjunction with the side cover, and the adjustment component includes a double-headed motor fixed to the top of the base frame, and the bottom of the adjustment component near the side cover is provided with a shielding component used in conjunction with the stand; one side of the adjustment component is respectively provided with a transposition component and a detection component used in conjunction with the shielding component and the stand. Through the cooperation of the adjustment component, the shielding component, the transposition component, the detection component and the rotation component, based on the shielding protection condition, a combination of transposition and rotation is adopted to achieve efficient and accurate multi-faceted electromagnetic compatibility detection effect on the detection object.

The application relates to a method and system for realizing 90-degree integer multiple rotation of an image, wherein the method comprises the following steps: an FPGA receives original image data output by an image sensor and image processing parameters issued by an ARM, the image processing parameters at least including width, height and a rotation angle, wherein the rotation angle is an integer multiple of 90 degrees; the original image data is preprocessed and demosaiced to obtain a full-color image in RGB or YUV format; according to the width, height and rotation angle of the image, a coordinate transformation formula for 90-degree integer multiple rotation is used to determine the position mapping relationship between each source pixel in the full-color image and a target pixel after rotation; the full-color image is written into a BRAM cache in a ping-pong mode, and each pixel is read according to the order of the position mapping relationship and written into a target address in a DDR, wherein the target address in the DDR is calculated according to the position relationship.

The utility model relates to the technical field of particle length detection, in particular to a particle length detection device which comprises a shell, sliding grooves arranged at equal intervals are formed in the outer surface of the shell, the inner wall of each sliding groove is slidably connected with a sliding block, and the faces, away from each other, of the sliding blocks are fixedly connected with jacking blocks. The inner wall of each sliding block is in threaded connection with a threaded rod, a rotating rod in the shell is rotated to drive a second bevel gear to rotate, the effect of synchronous rotation of the multiple first bevel gears is achieved through connection between the second bevel gears and the corresponding first bevel gears, the first bevel gears drive the corresponding threaded rods to be connected with the sliding blocks, and the effect of synchronous rotation of the multiple first bevel gears is achieved. According to the device, the sliding blocks are driven to move on the inner walls of the sliding grooves, the sliding blocks drive the corresponding jacking blocks to move synchronously, the effect of jacking the charging trays is achieved, the charging trays can be replaced conveniently, the effect of continuous detection can be achieved conveniently, an operator does not need to operate the device all the time for detection, and time and labor are saved.

The utility model relates to the technical field of calcining furnaces, and discloses an efficient delayed coke calcining furnace which comprises a body, an opening and closing door is arranged on the outer wall of the body, a furnace tube penetrates through the outer wall of the body, a feeding box is fixedly assembled at the tail end of the furnace tube, a first motor is fixedly assembled on the outer wall of the feeding box, and a second motor is fixedly assembled on the outer wall of the first motor. And a collecting hopper is fixedly assembled at the top of the feeding box. By means of the body, the feeding box, the second motor, the first motor, the collecting hopper and the furnace tube structure, in the operation process of the calcining furnace, a user directly throws materials into the collecting hopper, the second motor is used for driving a rotating rod to rotate, so that the materials cannot be stopped in the collecting hopper, and then the first motor drives a threaded feeding rod to convey the materials; and meanwhile, the feeding box and the collecting hopper are matched to seal the feeding opening, the sealing shell is matched to ensure that heat cannot be dissipated, and then the automation and sealing performance of the calcining furnace in the operation process are improved.

This utility model relates to the field of facial tissue production technology and discloses a facial tissue raw material mixing device, including a base plate. A material holding bucket is fixedly connected to the upper surface of the base plate. A support box is arranged directly above the material holding bucket. A top cover is fixedly connected to the lower surface of the support box. A motor is fixedly connected to the upper surface of the support box. A stirring rod is fixedly connected to the output end of the motor through the support box. A spiral stirring blade is fixedly connected to the outer wall of the stirring rod. A spiral stirring blade is fixedly connected to the side near the spiral stirring blade. A feeding assembly is installed inside the material holding bucket. The feeding assembly includes a motor and an auger blade. In this utility model, the motor drives the spiral stirring blades to mix the raw materials efficiently, achieving uniform mixing. The valve controls the discharge amount precisely and controllably. After pulling the baffle, the motor drives the auger blade to rotate in the transmission channel to prevent material blockage and improve the practicality of the device.

The utility model discloses a desliming machine for sewage treatment, and relates to the technical field of desliming machines. The desliming machine comprises a desliming machine body, supporting legs are fixedly connected to the bottom of the desliming machine body, and a water inlet pipe fixedly penetrates through the top of the desliming machine body; the desliming machine comprises a desliming machine body, the desliming machine body is provided with an oscillation device, the oscillation device comprises a fixing plate, the top of the fixing plate is fixedly connected with the top of the desliming machine body, the side face of the fixing plate is fixedly connected with a motor, and an output shaft of the motor is fixedly connected with a rotating shaft. According to the utility model, the force for pouring water to be recycled into the desliming machine main body through the water inlet pipe is matched with the components such as the fixed block, the connecting rod and the spring in the oscillation device, so that the other end of the fixed rod moves downwards; and the effect that the desliming machine body is repeatedly knocked to enable accumulated dust on the inner wall of the desliming machine body to fall off is achieved, manual intervention is reduced, and the treatment efficiency is improved.

The application relates to a heat dissipation assembly for a case, which comprises a frame body and a filtering assembly, the frame body is arranged on a side cover plate, the frame body is in communication with the inside of a case body, a plurality of guide plates are arranged on the frame body, and the filtering assembly is arranged on the frame body and comprises a filter screen, which is used for blocking dust entering from between the guide plates. The application has the effect of reducing dust accumulation in the case body, thereby prolonging the service life of computer accessories.

An adjustable automatic inspection robot disclosed by the present invention comprises a frame, a driving mechanism is installed on the frame, the driving mechanism comprises a double-shaft motor, a rotating shaft, a first snap ring, a positioning shaft, wheels and a second snap ring, the double-shaft motor is fixed on the frame, the output end of the double-shaft motor is fixed with the rotating shaft, and the first snap ring is fixed on the rotating shaft. The rotating shaft is connected to the frame through a bearing, and a first clamping ring is fixed to the rotating shaft. According to the adjustable automatic inspection robot, when wheels need to be maintained and replaced, through the action of a second hydraulic rod, a movable frame and a bottom plate, jacking of the whole device can be achieved, the wheels are separated from the ground, at the moment, a limiting groove plate is separated from a first clamping ring and a second clamping ring, and the automatic unlocking effect between the wheels and a rotating shaft is achieved; and in cooperation with nested connection between the positioning shafts and the wheels, the wheels can be conveniently disassembled and assembled, so that the wheels are convenient to maintain and replace, and the convenience of later maintenance of the device is improved.

The utility model discloses an aeration biological filter tank convenient to clean a filter screen, which comprises a filter tank, a water inlet mechanism and a pretreatment mechanism, the filter tank and the water inlet mechanism are arranged at one end of the filter tank, the pretreatment mechanism is arranged at one end of the filter tank, and a moving assembly is arranged at one end of a treatment box. Guide mechanisms are arranged on the two sides of the other end of the treatment box, a first connecting plate is fixedly mounted at one end of the filter screen, and second connecting plates are fixedly mounted on the two sides of the other end of the filter screen. According to the utility model, the moving assembly runs to drive the moving part to move upwards, the moving part moves upwards to drive the first connecting plate to move upwards, and the first connecting plate moves upwards to drive the filter screen to move upwards, so that the filter screen is moved out of the treatment box; therefore, the garbage on the filter screen can be cleaned, and the advantage that the garbage on the filter screen can be conveniently cleaned is achieved.

The utility model belongs to the technical field of fixing devices, and particularly relates to a fixing device for electrical equipment maintenance, which solves the problems of instable fixation and incapability of rotating in the prior art, and comprises a workbench, a base and a rotating component, a transmission box is welded to the bottom of the workbench, a motor is installed on one side of the transmission box, the output end of the motor is connected with a two-way threaded rod through a coupler, the two-way threaded rod is coaxially arranged, and the outer portion of the two-way threaded rod is sleeved with a first sliding block in a threaded mode. And the two clamping plates are driven to move towards the center, the clamping plates drive the ejector rods to move, when the ejector rods make contact with the surface of the electrical equipment, the device automatically adapts to the shape of the electrical equipment under the action of the springs, and the effect of stable fixation is achieved.

The utility model relates to the technical field of wooden door unlocking, and discloses a wooden door unlocking device which comprises an unlocking machine body, and the unlocking machine body comprises an operation table. According to the wooden door unlocking device, a servo motor is started, the servo motor works to drive a lead screw to rotate, then a third thread sleeve is driven to move downwards under the action of threads, then a movable plate is driven to move, then a top plate is driven to move, then a handrail sleeve is held by hand to move a movable rod, and then a circular plate is driven to rotate; then a second screw rod and a third screw rod are driven to rotate, a second screw sleeve and a fourth screw sleeve are driven to move left and right and front and back on the surfaces of the second screw rod and the third screw rod correspondingly, then a transverse plate and an adjusting plate are driven to move left and right and left and back, and then the effect of unlocking the wooden door is achieved; the problem that in the using process of an existing unlocking device, an operator needs to conduct manual lineation unlocking can be solved.

The utility model belongs to the technical field of traditional Chinese medicinal material processing, and particularly relates to a traditional Chinese medicinal material processing device which comprises a bottom plate. The device comprises a bottom plate, a crushing tank is fixedly mounted at the top of the bottom plate, supporting frames are fixedly mounted on the two sides of the top of the bottom plate, a cleaning tank is fixedly mounted at the tops of the supporting frames, a driving mechanism is arranged at the top of the cleaning tank, and a rolling assembly is arranged on the inner wall of the cleaning tank; a cleaning mechanism is arranged on the surface of the driving shaft, and a flow guide mechanism is arranged on the inner wall of the cleaning tank; a conveying mechanism is arranged on the inner wall of the cleaning tank, and a drainage mechanism is arranged on the surface of the cleaning tank; through the arrangement of the L-shaped support, the first motor and the driving shaft, the L-shaped support, the first motor and the driving shaft are matched for use, the effect of driving the rolling assembly and the cleaning mechanism to rotate can be achieved, it is guaranteed that the rolling assembly and the cleaning mechanism can be normally used, and meanwhile sufficient power output can be provided for the rolling assembly and the cleaning mechanism.

The invention discloses an aluminum electrolysis cell cover plate correction device and a using method thereof, and relates to the technical field of cover plate correction, the aluminum electrolysis cell cover plate correction device comprises a frame, an inner wall cambered surface supporting plate, an outer wall cambered surface supporting plate, a moving assembly and an ejection assembly; the outer wall cambered surface supporting plate is located above the inner wall cambered surface supporting plate, and the inner wall arc-shaped guide face of the inner wall cambered surface supporting plate is opposite to the concave face of the outer wall arc-shaped binding face of the outer wall cambered surface supporting plate. The moving assembly comprises a moving seat and a transverse moving driving assembly used for moving the moving seat. The ejection assembly comprises an upper extrusion roller, a lower extrusion roller and an ejection driving assembly; the ejection driving assembly is provided with an upper telescopic end and a lower telescopic end which stretch out and draw back synchronously and reversely, and the upper telescopic end and the lower telescopic end are connected with the corresponding upper extrusion roller and the lower extrusion roller correspondingly. And the upper extrusion roller and the lower extrusion roller which synchronously and reversely move are arranged at the upper position and the lower position of the movable seat, so that the upper extrusion roller can be subjected to profiling correction treatment according to the radian size of the inner wall cambered surface supporting plate, and reinforcing ribs outside the cover plate are prevented from being damaged.

The invention belongs to the technical field of ventilation devices, and particularly relates to a warm air filter ventilation device which comprises a transfer box body, a main ventilation pipeline is inserted into the upper surface of the transfer box body, a first branch pipe and a second branch pipe are inserted into the surface of the main ventilation pipeline, and transmission assemblies are arranged in the first branch pipe and the second branch pipe correspondingly. Each transmission assembly comprises a first gear, a rectangular frame body, a main rotating shaft, an air plate with holes, a first connecting guide rod, a first toothed plate and a second toothed plate, and branch pipe judging assemblies are arranged on the surfaces of the first branch pipe and the second branch pipe respectively; it can be judged that no gas flows in the first branch pipe and the second branch pipe when the first warning lamp runs, the wind power condition in the pipeline can be judged by observing the running states of the third warning lamp and the second warning lamp, and stress in the rotating process of the first connecting shaft tends to be balanced; and the resistance in the rotating process of the first connecting shaft is reduced.

The utility model provides a kind of connection base applied to spring type faucet, including lower pipe body, the upper pipe body of being set to the upper end of lower pipe body, the outer sleeve of being set to the outside of upper pipe body, the connecting plug of being set to the upper end of upper pipe body, the water outlet pipe of being set on connecting plug, the upper end of lower pipe body is set in the lower end of upper pipe body, and connecting jack is opened in the upper pipe body, respectively, the corresponding hole of being opened in lower pipe body and upper pipe body and outer sleeve, corresponding ring groove is opened on the connecting plug, connecting rod is arranged between lower pipe body and upper pipe body and outer sleeve on the inside of corresponding hole, and one end of connecting rod is located in corresponding ring groove, lower pipe body, upper pipe body, outer sleeve, connecting plug, water outlet pipe can be assembled and fixed once, without welding accessory and fixed again, can further reduce production and assembly cost.

This application relates to the field of mine waterproof gates, and in particular to an improved double-leaf type high-strength large-section waterproof gate, comprising a bevel gear one and a housing one. Two bevel gears two mesh with the outer surface of the bevel gear one. A rotating rod is fixedly connected to the opposite side of each bevel gear two. A worm gear is fixedly connected to the outer surface of each rotating rod. A worm wheel meshes with the outer surface of each worm gear. A fixed rod is fixedly connected to the inner wall of each worm wheel. Rotating the bevel gear one meshes with the bevel gear two, driving the two bevel gears two to rotate in opposite directions, and also driving the rotating rod and worm gear to rotate. The meshing of the worm gear and worm wheel enables the worm wheel to drive the fixed rod to rotate. The fixed rod drives the corresponding gate body one and gate body two to rotate, achieving the opening and closing effect. Thus, this device can achieve the effect of a double-leaf gate, thereby increasing the effective cross-section.