1547 results about "Gear tooth" patented technology

The invention discloses a face gear planetary transmission system dynamic uniform load test platform and test method, and belongs to the field of gear transmission, and the test platform comprises a rack, a drive motor, a step-up gear box, a face gear planetary transmission system, a magnetic powder brake, a torque sensor, a slip ring, a stress strain test system and the like. The face gear planetary transmission system comprises an input face gear, a planet wheel, a planet carrier, a fixed face gear and the like. According to the dynamic uniform load test, stress values at the tooth root of the face gear and the tooth root of the planetary gear are measured mainly through strain gauges, and the corresponding relation between the tooth root stress and the meshing force at the gear meshing point is obtained through finite element simulation. And calculating the dynamic uniform load coefficient according to the dynamic meshing force root-mean-square values and the average values obtained at the tooth roots of the face gear and the planetary gear. By testing and analyzing the dynamic uniform load coefficient, the load distribution characteristic of the face gear planetary transmission system can be accurately revealed, a scientific basis is provided for structural parameter optimization, meshing performance improvement and reliability design of the face gear planetary transmission system, and then accurate and high-performance design of the transmission system is achieved.

The invention provides a tool applied to the field of petroleum drilling, and particularly relates to an underground non-circular gear intelligent impact tool which comprises a power module, an axial impact module and a circumferential impact module, the power module enables drilling fluid to impact a turbine in a directional mode through a drainage disc, hydraulic energy is converted into mechanical energy, and the mechanical energy is transmitted to the axial impact module. The power is transmitted to the axial impact module and the circumferential impact module, the axial impact module lifts a rack punch hammer to compress a spring through meshing of an incomplete gear and the rack punch hammer, and when the incomplete gear is disengaged from the rack punch hammer, the spring releases energy to generate axial impact downwards. The circumferential impact module is composed of two groups of incomplete gears and racks which are arranged in an up-down 90-degree staggered mode, the rack punch hammer compresses a spring through meshing of the incomplete gears and the rack punch hammer, and the spring is released to generate circumferential impact when the incomplete gears and the rack punch hammer are disengaged. Periodic impact can be achieved, the mechanical rock breaking efficiency is effectively improved, and the stick-slip phenomenon at the drill bit is reduced.

The invention provides a gear peeling time-varying meshing stiffness prediction method and system based on a back propagation neural network, and the method comprises the steps: considering a tooth surface peeling fault based on a gear tooth bearing contact analysis method, and constructing a helical gear pair time-varying meshing stiffness calculation model; a real irregular tooth surface peeling area is fitted by adopting a least square ellipse fitting method to obtain an ellipse appearance representation, any peeling position is completely described through six key geometric parameters, the geometric parameters of the ellipse appearance are systematically traversed and fitted, and diversified peeling appearance samples are generated. Introducing a tooth profile deviation matrix corresponding to the peeling morphology sample into a tooth surface bearing contact analysis model, and constructing a training data set; and constructing a back propagation neural network model of multiple hidden layers, and performing end-to-end training by using the training data set, so that the back propagation neural network model learns a nonlinear mapping relationship from geometric parameters to a time-varying meshing stiffness curve, thereby predicting the time-varying meshing stiffness under any peeling morphology.

The invention relates to photoelectric integrated COB packaging equipment, and relates to the technical field of semiconductor packaging, and the photoelectric integrated COB packaging equipment comprises a chip mounting module used for grabbing and mounting a chip, a substrate conveying module used for conveying a substrate, and a photoelectric synchronous packaging module used for realizing interconnection packaging of the chip and the substrate. By arranging the vacuum adsorption adjusting mechanism, when chips of different specifications need to be adapted, the motor drives the rotating disc to rotate, and the rotating disc is meshed with a gear ring structure on the outer layer of the annular disc through gear teeth to drive the annular disc to rotate; a conical tooth structure on the inner side of the annular disc is meshed with a plurality of groups of bevel gears to drive the bevel gears to synchronously rotate so as to drive a threaded column fixed with the bevel gears to rotate; when the threaded column rotates, the movable plate in threaded connection moves in the axial direction of the threaded column, and the distance between the suction nozzles is adjusted. And meanwhile, the vacuum generator independently provides negative pressure for each group of suction nozzles through the air pipe, so that on-off of the negative pressure can be independently controlled to adapt to adsorption and release of chips with different sizes.

The utility model relates to the technical field of punch forming equipment, and discloses a support punch forming device which comprises a punching table, supporting columns and foot columns are fixedly connected to the top face of the punching table, a lower die base is connected to the tops of the foot columns through bolts, a top plate is fixedly connected to the top ends of the supporting columns, and a connecting plate is fixedly connected to the lower surface of the top plate. The bottom end of the connecting plate is connected with a T-shaped rack through a bolt, the T-shaped rack is connected with a gear in an engaged mode, and a shaft rod is fixedly connected into the gear. A plate is placed on the lower die, the hydraulic cylinder is started to drive the upper die base to move downwards to achieve die assembly stamping, meanwhile, the upper die base moves downwards to drive the fixing block, the shaft rod and the gear to move, under meshing of the T-shaped rack, the gear rotates to drive the shaft rod and the stop rod to rotate, the stop rod sweeps the area between the upper die and the lower die when rotating, and once a hand is located in the dangerous area, die assembly stamping is achieved. And when the operator moves, the operator can be touched by the stop lever made of the flexible plastic material, so that the operator is timely reminded to move away hands, and safety accidents are effectively avoided.

The invention discloses a method for inhibiting fluttering of a thin-wall workpiece based on a follow-up supporting device, which comprises the following steps of: installing the follow-up supporting device, establishing initial normal contact between a rolling wheel in the follow-up supporting device and the back surface of the thin-wall workpiece and applying pre-tightening force to finish initial calibration of a contact state between the follow-up supporting device and the thin-wall workpiece; based on the contact state, a force sensor and a displacement sensor in the rolling wheel are used for collecting normal contact force and displacement signals; the control unit calculates a modal participation coefficient and a dynamic correction function according to the real-time signal to form a time-varying model of equivalent stiffness and damping of the thin-wall part, and a stepping motor in the follow-up supporting device drives a gear-rack mechanism to finely adjust the position of a rolling wheel, so that self-adaptive adjustment of the supporting force is realized; data recording and feedback optimization; and finishing processing and outputting parameters. The device has the advantages of real-time sensing, self-adaptive adjustment, measurable parameters, compact structure and the like, and the machining precision and the surface quality of the thin-walled workpiece are remarkably improved.

Disclosed is a rack and pinion drive apparatus (100). The rack and pinion drive apparatus (100) includes a pinion (102) provided with a number of pinion teeth (108) such that each pinion teeth of the plurality of pinion teeth (108) comprises a top land (202) and a bottom land (204). A rack (104) provided with a number of rack teeth (106) such that a set of rack teeth of the plurality of rack teeth (106) includes a rack chamfered edge (112). The top land (202) of each pinion teeth of the number of teeth (108) includes a pinion chamfered edge (202A) such that the pinion chamfered edge (202A) is configured to engage with the rack chamfered edge (112) of the set of rack teeth of the number of rack teeth (106) to facilitate meshing of the plurality of pinion teeth (108) with the number of rack teeth (106).

The invention relates to the technical field of pipeline grinding and welding, in particular to a pipeline groove grinding and welding device which comprises a supporting assembly, an adjusting ring frame, a buckling ring frame, a telescopic assembly, a machining assembly, a grinding assembly and a welding assembly. The adjusting ring frame is in transmission connection with one side of the supporting assembly through a gear and gear ring structure, one end of the adjusting ring frame is hinged to a buckling ring frame, a gear ring is arranged in the middle of the adjusting ring frame, a matching ring is arranged in the middle of the buckling ring frame, and the machining assembly is movably matched with the gear ring or the matching ring to move and provided with a grinding assembly and a welding assembly. Telescopic assemblies are arranged on the two sides of the gear ring and the matching ring correspondingly, and jacking pieces are arranged on the telescopic assemblies in the radial direction of the outer side of the pipeline. By means of the device, pipeline groove grinding and welding procedures can be continuously carried out, meanwhile, alignment work of large-diameter pipelines can be conveniently achieved, the construction procedures are simplified, and the construction efficiency is improved.

The invention provides a worm assembly assembling device which comprises a riveting module, a cleaning and oiling module, a press fitting module, a clamping ring feeding module and a conveying module, the riveting module is used for riveting auxiliary parts on a curled ring fixed worm, and the cleaning and oiling module is arranged between the riveting module and the press fitting module and used for cleaning a worm assembly and oiling the worm. The press-fitting module is used for press-fitting a worm and a clamping ring and comprises a tooth shifting mechanism, and the tooth shifting mechanism can shift a worm gear to rotate in the worm press-fitting process; the clamping ring feeding module is arranged on one side of the press-fitting module and used for feeding clamping rings to the press-fitting module. The conveying module is used for conveying materials among the modules. Automatic assembly of the worm assembly is achieved through the procedures of riveting, cleaning and oiling, press fitting and the like, the automation degree is high, the conditions of tooth staggering, tooth abutting and the like can be automatically corrected in the worm press fitting process, collision damage of the worm and the worm gear tooth part in the press fitting process is avoided, and the assembly efficiency and the assembly quality are improved.

The invention relates to the technical field of gas meters, in particular to an ultrasonic gas meter which comprises a shell, an ultrasonic pipe, an ultrasonic receiver, a reading module, a gas outlet pipe and a gas inlet pipe. The shell is installed on a wall, the ultrasonic pipe is transversely installed in the shell, the ultrasonic receivers are symmetrically installed on the two sides of the ultrasonic pipe, the reading module is installed at the front end of the shell, and the air outlet pipe and the air inlet pipe are symmetrically installed on the two sides of the top of the shell. The transmission mechanism and the adjusting mechanism are both installed on the inner wall of the upper cavity of the shell, and the transmission mechanism is connected with the adjusting mechanism through a clamping ring. The transmission mechanism drives the half gear to rotate through the motor, the half gear can drive the eccentric gear to rotate, due to the fact that the number of teeth of the half gear is half of that of the eccentric gear, the half gear rotates one circle to drive the eccentric gear to rotate a half circle, and the adjusting mechanism is opened to adjust the gas flow speed after the eccentric gear rotates a half circle.

The utility model discloses a broiler slaughtering claw cutting machine, which relates to the technical field of broiler slaughtering and comprises a mounting seat, two rotating rollers are rotatably mounted in the mounting seat, a conveying belt is mounted on the outer sides of the two rotating rollers, a motor is fixedly mounted on one side of the mounting seat, shaft rods are fixedly mounted at two ends of each rotating roller, and the shaft rods are fixedly mounted on the mounting seat. The output end of the motor extends to the inner side of the mounting base and is fixedly connected with one shaft rod, and a plurality of U-shaped rods are fixedly mounted on the two sides of the conveying belt correspondingly. The device has the beneficial effects that the rotating roller, the conveying belt, the motor, the shaft rod, the U-shaped rod, the mounting rod, the mounting plate, a transmission gear, a rotating shaft, a driven gear, a toothed chain, an eccentric wheel, a positioning plate, a sliding rod, an abutting plate, a spring and a cutter are arranged; when broilers are slaughtered and cut, the broilers only need to be placed on the conveying belt, chicken claws are clamped through the U-shaped rods, automatic claw cutting and discharging can be achieved, the overall processing efficiency is high, and use is convenient and fast.

The utility model relates to the technical field of cable tension detection, in particular to a tension detection device for cold and hot shrinkage cable accessories, which comprises a detection table, a mounting box fixedly connected to the top of the detection table, through grooves formed in two sides of the mounting box, a worm rotatably connected to the inside of the mounting box, and a worm gear meshed with the outer wall of the worm. The worm wheel is rotatably connected to the inner wall of the mounting box, the outer wall of the shaft part of the worm wheel is fixedly connected with a gear, the bottom of the gear is engaged with a rack, the rack is slidably connected to the top of the detection table and penetrates through the through groove, and the top of the detection table is provided with a clamping mechanism for clamping a cable; sliding rods are fixedly connected to the side walls of the two fixing blocks, and two sets of sliding blocks are arranged at the top of the detection table. Compared with the prior art, the clamping area, the friction force and the firmness are increased, so that the condition that the cable slips or is broken due to infirm clamping or too small contact surface in the tension test process is prevented.

The invention relates to the technical field of water conservancy and hydropower engineering, and discloses an efficient intelligent adjustable radial gate supporting device which comprises two longitudinal supporting frames, a plurality of longitudinal adjusting assemblies are installed between the two longitudinal supporting frames in a sliding mode, and a transverse supporting assembly is arranged on the top face of each longitudinal adjusting assembly. A plurality of transverse moving assemblies are connected to the top face of the transverse supporting assembly in a sliding mode, an oil cylinder is installed on the top face of each transverse moving assembly, and accurate and synchronous interval adjustment of supporting points in the length direction of a gate is achieved through transmission fit between the longitudinal adjusting assembly and a gear rack of the first driving assembly. Meanwhile, a spline shaft rod transmission structure of a second driving assembly is used for driving a plurality of transverse moving assemblies to synchronously adjust the interval in the width direction, a guide structure is combined, it is ensured that the adjusting process is stable and free of blockage, radial gates of different length and width specifications can be flexibly adapted, and the reserve types of supporting devices in engineering are greatly reduced; and the cost of purchase, storage, replacement and debugging is reduced.

The utility model relates to the technical field of H-shaped steel machining, and one embodiment of the utility model provides an H-shaped steel straightening roll capable of adjusting the roll sleeve spacing, the H-shaped steel straightening roll comprises a machining table, a placement frame is arranged on the upper end face of the machining table, a clamping adjusting assembly is arranged in the placement frame, and a rotary linkage assembly is arranged on the placement frame; the clamping adjusting assembly comprises a limiting sliding way, a driving bolt is arranged on the stress block, the upper end of the driving bolt extends out of the containing frame, a driving screw is arranged at the lower end of the adjusting block, and the lower end of the driving screw extends out of the lower end of the machining table. By means of the technical scheme, the problems that in an existing H-shaped steel straightening technology in the prior art, a manual screw or sliding block structure is adopted, roller sleeves need to be adjusted group by group, operation is tedious, the adjusting range is limited, and rapid remodeling production (such as frequent switching of H-shaped steel of different specifications) is difficult to adapt to; however, the transmission structure is complex (such as gear and rack transmission), the cost is high, and the maintenance is difficult.

A worm gear reducer capable of suppressing the occurrence of unpleasant abnormal noise due to metal-to-metal contact generated at locations other than an engaging portion between wheel teeth and worm teeth is provided. A worm 14 has an annular protruding portion 40 at a portion located on an inside in a radial direction of an inner ring 28, the annular protruding portion 40 having two contact end portions 41 at end portions on both sides in an axial direction of an outer circumferential surface thereof, the two contact end portions restricting further inclination of the worm 14 with respect to the inner ring 28 by coming into contact with an inner circumferential surface of the inner ring 28 when the worm 14 is inclined to a maximum inclination angle θmax, and each of the two contact end portions 41 composed of a convex curved surface.

The utility model discloses a gear drilling clamp, characterized in that: including clamp base, support plate, clamp base plate, wherein the clamp base plate is set up on the clamp base through the support plate, the middle part of clamp base plate is provided with the vertical positioning shaft of elevating, be provided with the locating block on the clamp base plate, the one side of locating block is provided with the drill jig seat, the drill jig seat upper portion is provided with the drill jig board that extends to the above of locating block horizontally, be provided with the drill bushing on the drill jig board, be provided with the horizontal sliding tooth groove locating block on the drill jig seat, the front end of tooth groove locating block has with the gear tooth groove structure to the adaptation of fixed tooth taper, be provided with the pressure cylinder of pressing the gear upper end face on the clamp base plate. The utility model has the beneficial effects including: the clamp structure is simple, and workpiece clamping is convenient, and the positioning accuracy is high, and the processing error is little, and the gear drilling processing efficiency and product qualification rate have been improved significantly.

This application discloses a method for interference-free honing of a double helical gear using two honing wheels, relating to the field of gear machining technology. The method includes the following steps: Step 1: Establishing a constraint relationship between the shaft intersection angle of the honing gear and the width of the empty groove of the double helical gear, determining the interference-free honing shaft intersection angle, and optimizing the empty groove width; Step 2: Calculating the axial installation distance between the left and right honing wheels based on the structural parameters and shaft intersection angle of the double helical gear, determining the helix angle parameters of the left and right honing wheels, and establishing tooth surface models of the left and right honing wheels by enveloping the tooth surface of the double helical gear; Step 3: Preparing the left and right honing wheels based on the tooth surface models, assembling the left and right honing wheels according to the axial installation distance, and controlling the two honing wheels to perform interference-free honing of the double helical gear tooth surface at a fixed shaft intersection angle. This application can obtain a double helical gear with high surface quality and low noise characteristics through the honing process.

The utility model discloses a rotary temperature measuring structure, which comprises a main mounting plate, the top of the main mounting plate is fixedly connected with a protective cover, the top of the main mounting plate is provided with a telescoping mechanism, a rotating mechanism and a temperature measuring mechanism, the telescoping mechanism comprises a threaded cylinder and a cylinder mounting seat, the threaded cylinder is mounted on the cylinder mounting seat, and the rotating mechanism is mounted on the cylinder mounting seat. And the rotating mechanism is used for realizing the telescopic action of the temperature measuring probe and comprises a pen-shaped cylinder, a guide rail pair, a gear rack, a rotating base, a deep groove ball bearing and a driving arm, the pen-shaped cylinder is fixedly connected with the main mounting plate, and the front end of the pen-shaped cylinder is connected with the guide rail connecting plate. According to the utility model, the double-acting threaded cylinder is used as a telescoping power source, the piston linearly moves to push the temperature measuring probe to telescope, and the pen-shaped cylinder is matched with the gear and the rack for transmission to drive the gear to rotate, so that the temperature measuring probe can rotate, the temperature measuring requirements of different positions in a narrow space are met, and the problem of insufficient flexibility of a traditional temperature measuring mechanism is solved.

This utility model relates to the field of pipe bending technology, and more particularly to a swivel chair stainless steel U-shaped frame pipe bending and straightening device. The technical solution includes a workbench, with a fixed bracket on top for installation. An electric push rod for driving is located on top of the fixed bracket. A top plate is located below the electric push rod, and an upper template for straightening is located at the bottom of the top plate. A lower template for use with the upper template is located on top of the workbench. Both the lower and upper templates have U-shaped grooves on their surfaces. Positioning components for positioning the U-shaped frame are located on both sides of the lower template. The positioning components include push-pull rods for pushing. This utility model, through the arrangement of push-pull rods, positioning plates, anti-slip pads, gears, toothed plates, ratchet wheels, and pawls, can achieve rapid positioning of the U-shaped frame, effectively preventing processing deviations caused by workpiece displacement during the straightening process and improving the processing quality of the equipment.

The utility model relates to a fixing assembly. The fixing assembly comprises a meshing piece, a first fixing piece and a second fixing piece. The meshing piece is provided with a plurality of first meshing teeth arranged at intervals. The first fixing piece is connected to the meshing piece. The second fixing piece is connected to the meshing piece. The fixing assembly has a first state and a second state; in the first state and the second state, part of the first meshing teeth are meshed with the gear; the gear is used for driving the fixing assembly to rotate, so that the fixing assembly is switched between a first state and a second state; in the first state, the first fixing piece and the rack are arranged at an interval, and the second fixing piece and the rack are arranged at an interval; in the second state, at least one of the first fixing piece and the second fixing piece abuts against the rack in the rotating direction of the gear. According to the fixing assembly, damage to the gear during maintenance and replacement of the transmission part can be reduced, the service life of the gear can be prolonged, and the use performance of the tobacco equipment is improved.

Integrally geared centrifugal compressor systems are described that include eccentric cartridges that house bearings and seals to maintain rotor concentricity for a variety of pinons integrated in a fixed gearbox design to provide multiple impeller speeds with a single gearbox design. In an aspect, a system includes, but is not limited to, a pinion configured to be rotated by a bull gear about a rotational axis; a rotor coupled to the pinion; and an eccentric cartridge configured to house a bearing assembly through which the rotor extends to support rotation of the rotor, the eccentric cartridge having an outer surface and an inner surface, wherein the inner surface is eccentric relative to the outer surface to align the rotational axis with a center axis of the bearing assembly.

An external electric control lock comprises an outer fluted disc, an inner fluted disc, a spring bolt mechanism and a spring bolt shifting fork, outer locking strips and inner locking strips are arranged on the side edges of the outer fluted disc and the inner fluted disc, when the outer locking strips move to the locking state, the outer fluted disc is limited to rotate in the opening direction, and when the inner locking strips move to the locking state, the inner fluted disc is limited to rotate in the opening direction; an outer side reversing gear is arranged on the side edge of the outer locking strip, the inner fluted disc rotates in the opening direction, outer gear teeth are pushed to enable the outer side reversing gear to rotate, and the outer locking strip is driven to be switched to the opening state. An inner side reversing gear is arranged on the side edge of the inner locking strip, the outer fluted disc rotates in the opening direction, the inner gear teeth are pushed to enable the inner side reversing gear to rotate, and the inner locking strip is driven to be switched to the opening state. The inner side mechanical switch and the outer side mechanical switch are additionally arranged on the basis of the electric control lock, the function of opening the door through the handle inside the door can be closed through the inner side mechanical switch, the function of opening the door through the outer side mechanical switch can be closed through the outer side mechanical switch, a safety mode is achieved, and therefore the anti-theft performance is further improved.

The utility model relates to a mortar mixing device for paving ground mortar, which comprises a mixing barrel, a rotating rod, a stirring rod and a driving part, the stirring rod is a rod group consisting of a first rod body and a second rod body, and the second rod body is rotationally arranged on the first rod body; a sliding groove extending in the length direction of the first rod body is formed in the first rod body, a rack and a gear meshed with each other are arranged in the sliding groove, the rack is in sliding fit with the sliding groove, and the gear is connected with one end of the second rod body. The end, away from the rotating rod, of the rack is connected with a linkage assembly, and the linkage assembly drives the rack to slide in the sliding groove when acting on the rotating rod to rotate. Under the action of the driving part, the first rod body and the second rod body are driven to rotate around the rotating rod and form rotating tracks A and B with different diameters and lengths, and meanwhile, under the driving action of the linkage assembly, the second rod body is driven to rotate to form a rotating track C with the rotating track B as a path, so that the contact area between the stirring rod and mortar raw materials is increased; furthermore, the stirring and mixing efficiency of the mortar raw materials is improved.

The application discloses a straight profile ring surface worm turning machining machine tool and a machining method, wherein the machine tool comprises a machine tool body, a driving assembly, a tool assembly and a control assembly; the driving assembly is arranged on the machine tool body; the tool assembly is arranged on the machine tool body and located on the side surface of the machine tool body, the tool assembly comprises a cutter head engaged with a worm blank, a plurality of turning groups are arranged on the cutter head, and the turning groups are fixed on the outer circumferential surface of the cutter head in the circumferential direction of the cutter head at equal intervals; and the control assembly is arranged on the machine tool body and electrically connected with the driving assembly and the tool assembly respectively. The machining method comprises connection and turning. The straight profile ring surface worm turning machining machine tool and the machining method are characterized in that a plurality of turning groups are arranged, the cutter head and the plurality of cutting tools form a worm gear type cutter similar to a worm gear, the cutter head is equivalent to a worm gear body, the cutting tools are equivalent to worm gear teeth, the worm gear type cutter is engaged with the worm blank to cut out worm teeth, and the machined worm is closer to a worm theoretical value.

The utility model discloses a pipeline self-adaptive chain type cutting device, and belongs to the technical field of cutting control. Comprising a hydraulic motor which is connected with a speed reducer and provides power for the speed reducer. The speed reducer is installed on an adjusting plate through a support in the adjusting assembly, a telescopic mold spring is arranged between the adjusting plate and the bottom plate, a pull rod is sleeved with the mold spring, and the upper end and the lower end of the pull rod are connected with the adjusting plate and the bottom plate respectively; trundles are arranged on the lower end face of the bottom plate and placed on the pipeline. An output shaft of the speed reducer is connected with a gear, a chain is mounted on the gear, and the other end of the chain is hooped on the pipeline; a tool bit is installed on the upper end face of the bottom plate through a connecting assembly, and the pipeline can be cut through abrasive water jet. According to the chain type pipeline cutting machine, the mold spring is used, the chain length and the chain tensioning degree actually needed by the chain type pipeline cutting machine are adjusted in a self-adaptive mode according to the pipeline curvature radius and the curved surface flatness condition, and it is guaranteed that the cutting process and quality are safe and reliable under the flammable and explosive dangerous environment condition.

The present application belongs to the technical field of water body treatment equipment, and particularly relates to a water environment treatment equipment, the bottom of the body is provided with a back-shaped extrusion body, the bottom center of the body is fixedly connected with a gear column, and the gear column is provided with gear teeth; the bottom of the box body is provided with a receiving part, the receiving part is communicated with the box body, the receiving part is fixedly connected with the back-shaped frame plate through a second supporting rod, a flow channel with a thickness equal to that of the back-shaped extrusion body is arranged between the back-shaped frame plate and the box body, the bottom of the box body is rotatably connected with four sealing plates around the periphery, the bottom of each sealing plate is fixedly connected with a spring, the other end of each spring is fixedly connected with the bottom of the box body, under the elastic force of the springs, the four sealing plates can block the flow channel between the box body and the back-shaped frame plate, a gear box is arranged in the box body, the gear column passes through the box body and is engaged with a rotating wheel through the gear box, and the bottom end of the gear column can be accommodated in the receiving part; the net frame is detachably connected with the back-shaped frame plate. The present application can solve the problems of low efficiency and insecurity of manual salvage of duckweed.

The utility model discloses an oil baffle plate used for a transmission gear and an oil pump equipped with the oil baffle plate, the oil baffle plate comprises a rear shell and a front shell, the rear shell is provided with a plurality of nail passing holes, the lower part of the front shell and the lower part of the rear shell are both arc edges, and the front shell and the rear shell are fixedly connected to form a cavity used for accommodating the transmission gear; and an oil inlet damping hole is formed in the lower part of the rear shell or the front shell. Due to the fact that the transmission gear can be isolated from oil liquid through the rear shell and the front shell of the oil baffle plate, it is guaranteed that the transmission gear cannot stir the oil liquid when rotating, but in order to avoid the situation that the tooth surface is lack of oil liquid lubrication and cooling when the transmission gear is meshed with a driving gear on a transmission, an oil inlet damping hole is formed in the lower portion of the rear shell or the front shell. The oil inlet damping hole can ensure that the oil inlet quantity meets the requirement of lubricating and cooling of the tooth surface of the transmission gear, and can also prevent the transmission gear from consuming too much power due to too large oil inlet quantity.

The utility model discloses an epoxy resin terrace vacuum forming auxiliary equipment relates to epoxy resin terrace making technical field, the utility model discloses an exhaust box, the inside top of exhaust box is provided with stirring subassembly, stirring subassembly includes the rotation setting of through shaft in the inside top of exhaust box, and the fixed tooth ring has on the circumference of shaft, and the inside top of exhaust box evenly rotates and is provided with a plurality of gear, and the bottom of gear is provided with conveying spare, and the circumference of shaft evenly fixed a plurality of stirring rod has with the circumference array distribution of stirring rod circumference evenly fixed a plurality of thorn needle, the utility model discloses through the rotation of shaft drive tooth ring rotation, and then drive a plurality of gear rotation and roll the raw material, and the stirring efficiency between raw material is optimized, and the shaft drives stirring rod and thorn needle rotation simultaneously, so that thorn needle can remove the bubble between raw material quickly, and the exhaust efficiency has been improved.

This invention discloses a splash-proof receiving device for a smelting furnace, belonging to the field of metal smelting technology. When adjusting the height and deflection angle of the outer cylinder and the receiving cylinder, the fixed shaft slides up and down and rotates with the slider, driving the hollow shaft to rotate. The external rotating gear meshes with the rack, achieving rotation and simultaneous upward movement. The hollow shaft drives the first transmission wheel to rotate. The first transmission wheel drives the second transmission wheel via a belt, causing the connecting shaft to rotate synchronously. Two transmission gears on the connecting shaft rotate accordingly, meshing with the teeth of the sliding seat through tooth blocks, driving the sliding seat to move up and down along the telescopic rod, which acts as a guide and limiter. When the tooth blocks of the transmission gears disengage from the teeth, the second spring supports the sliding seat, causing the striking frame to quickly strike the bottom of the outer cylinder. The vibration is transmitted to the receiving cylinder, causing slag to fall off, achieving automatic cleaning. Simultaneously, the fixed shaft drives the receiving cylinder to rotate, facilitating the removal of slag, preventing the slag layer from thickening and affecting equipment use, and reducing labor intensity and maintenance costs.