58results about How to "High transmission reliability" patented technology

An integrated electric wheel with a cooling function comprises a hub motor with a cooling water channel, a planetary reducer connected with a rotating shaft of the hub motor, a hub connected with the output end of the planetary reducer and a brake fixed to the hub, and is characterized in that the cooling water channel in the hub motor extends forwards to the periphery of the planetary reducer; and the planetary reducer is circularly cooled, and an oil guide assembly for collecting oil liquid thrown out in the circumferential direction and conducting lubricating and heat dissipation on the planetary reducer is assembled on the planetary reducer. Lubricating and radiating efficiency of parts close to the center of the speed reducer is effectively improved, temperature rise and part abrasion in the speed reducer are slowed down, the probability of abnormal transmission caused by bearing sintering and gear abrasion due to high temperature is effectively reduced, transmission reliability of the planetary speed reducer is improved, and the service life of the planetary speed reducer is prolonged. Integrated optimization of multiple structures of the electric wheel is formed, the integration degree is improved, whole vehicle arrangement is facilitated, the power density of the electric wheel is improved, and the cruising ability of the electric wheel is improved.

The utility model provides a crane telescopic arm bolt device of a chain wheel and chain mechanism driven by a hydraulic motor, which comprises a locking device, the hydraulic motor, a rotating device and a supporting device, a crane telescopic arm comprises a basic arm and a plurality of sections of telescopic arms, and an arm pin is arranged at the root of each section of telescopic arm and is used for being locked and connected with the adjacent telescopic arm; the supporting device is connected with the root of the basic boom, the rotating device is installed on the supporting device, the locking device is connected to the rotating device, the hydraulic motor is connected with the rotating device and used for driving the rotating device to rotate, the rotating device is used for driving the locking device to move to each section of telescopic boom, and the locking device is used for achieving locking connection between the rotating device and the telescopic boom. After locking connection, the hydraulic motor drives the rotating device to drive the telescopic arm to stretch out or retract. The utility model has the characteristics of increasing the effective displacement of the cylinder pin and the plug pin device, reducing the size of the telescopic arm plug pin device, reducing the total weight of the boom system, reducing the manufacturing cost and having wide application range.

The invention discloses a double-helix digital oscillating cylinder applied to a deep sea manipulator, and belongs to the technical field of hydraulic cylinders. After the piston rod, the piston and the guide sleeve are sleeved with sealing pieces, the piston rod is installed in the cylinder body and then matched with the piston and the guide sleeve, the piston rod, the guide sleeve and the cylinder body are connected together through a threaded gland, and after hydraulic oil is input into the two cavities respectively, the guide sleeve and the piston rod can synchronously swing relative to the cylinder body to output the rotation angle and the rotation torque in a double-end mode. Or the guide sleeve and the piston rod are fixed to swing the cylinder body to output the rotation angle and the rotation torque. A built-in angle sensor is used for collecting angle signals, and the rotation angle of the swing cylinder is accurately controlled; an external pressure sensor is used for collecting pressure signals, and the purpose of accurately outputting torque is achieved by accurately controlling the pressure difference of the two cavities of the swing cylinder. The invention has the characteristics of good deep sea environment adaptability, high control precision, low processing difficulty, small damage to the sealing element, high production efficiency, long service life and the like.

The utility model discloses an electric actuator and car, including the casing, drive motor, screw rod and push rod. Drive motor is housed in the casing, and drive screw rod rotation. Push rod is equipped with internal thread and is engaged with the external thread of screw rod. Through the rotation -stopping structure of setting between push rod and casing, the circumferential rotation of push rod is restricted, makes it only can carry out axial linear motion under the drive of screw rod to realize the extension or retraction. The utility model discloses compact structure, and transmission efficiency is high, and through the sealing structure on the casing has good dustproof waterproof performance, and assembly is simple and reliable. The actuator can be widely applied to various equipment that need linear drive.

The present invention discloses a torsional vibration damper with a torque limiting function, which is fixedly mounted on an engine flywheel, and includes a torque limiting module and a torque vibration damping module, wherein the torque limiting module and the torque vibration damping module are fixedly connected together, so that the engine torque is transmitted to the torque vibration damping module through the torque limiting module. The torsional vibration damper with a torque limiting function provided by the present invention improves the reliability of transmission between the engine and the motor in a hybrid power system. This vibration damper adds a torque limiting module on the basis of a traditional torsional vibration damper. When the torque is overloaded, the torque limiting module slips and thus interrupts the torque transmission. When the overload is eliminated, the torque limiting module automatically resets and restores the torque transmission. This hybrid power-specific torsional vibration damper with a torque limiting function can filter large torque impacts and is light in weight, small in rotational inertia, small in installation space, reliable in structure, and low in cost.

This utility model's electric mining truck gearbox features a three-speed design that allows selection of the most suitable gear based on different working conditions, optimizing power output to meet the power requirements of mining trucks, increasing the coverage of the motor's high-efficiency zone, improving the overall efficiency of the gearbox, and effectively reducing energy consumption. Based on the powerful performance provided by the multi-motor configuration, it enhances the flexibility and efficiency of the drive system. The front intermediate shaft assembly is coaxially connected to the output end of the power coupling assembly, and the rear intermediate shaft extends into the front intermediate shaft assembly and is coaxially aligned with the output end of the power coupling assembly, forming a compact parallel shaft structure. This fully utilizes the radial space of the gearbox and reduces its axial dimensions, thereby reducing the gearbox's volume and facilitating overall vehicle layout. Furthermore, the front and rear intermediate shaft assemblies share the radial and axial loads during transmission, reducing gear stress and improving the transmission stability and reliability under harsh working conditions, thus enhancing the gearbox's adaptability to various operating conditions.

The utility model provides a tractor electric drive power system, including motor module, input module, variable speed module that transmits connection in proper order, variable speed module includes intermediate shaft with input module through the clutch connection, the gear shift tooth cover of slidable assembly along the axle direction on intermediate shaft, rotatable assembly on intermediate shaft gear position drive gear set, gear position driven gear set and gear position drive gear set with gear position drive gear set mesh with output shaft, and the number of intermediate shaft is at least two, and the gear shift tooth cover is combined with gear position drive gear set and forms the connection of intermediate shaft and output shaft along the axial sliding, the utility model improves the high efficiency interval coverage rate of motor, reduces energy consumption, avoids the tooth shaft damage among variable speed module under the sudden situation such as motor out of control, improves transmission safety, and reliability, avoids the power interruption of gear shifting, and reduces the gear shifting impact, improves the scene adaptability of electric drive power system, reduces energy and hardware loss.

The utility model belongs to the technical field of transmission systems, and discloses a transmission device. The transmission device comprises a first gear, a second gear, a third gear, an adjusting assembly and a fixing assembly, the first gear and the second gear are the same in reference diameter, tooth pitch and tooth number and are coaxially arranged, the first gear comprises a plurality of first teeth, the second gear comprises a plurality of second teeth, the first teeth correspond to the second teeth in a one-to-one mode, and the third gear comprises a plurality of third teeth. A tooth groove is formed between every two adjacent third teeth, the adjusting assembly is used for enabling the first teeth and the second teeth to be staggered so that the first teeth can abut against one sides of the tooth grooves, the second teeth can abut against the other sides of the tooth grooves, and after the adjusting assembly adjusts the position of the first teeth relative to the second teeth, the fixing assembly is used for coaxially fixing the first gear and the second gear. The clearance generated in the forward and reverse rotation process of the gear is effectively eliminated, so that the return difference is reduced, and the transmission precision and the transmission reliability are improved.

The utility model provides a kind of rhythmic vibration machine, it is related to fitness equipment technical field, including base, lower support, upper support and pedal, lower support is fixed with base, upper support is fixed with pedal, and lower support is equipped with rhythmic module, including drive motor, pivot and the cam connected with pivot by eccentric bearing, drive motor drives pivot by transmission mechanism, drives cam to make upper support rhythmic up and down;Meanwhile, vibration module is equipped on the side of upper support away from drive motor, for generating high-frequency vibration. By efficiently integrating rhythmic and vibration function in one, compact structure, and the stability of both simultaneous operation is improved by effectively avoiding motion interference with the layout of the two, so that users can simultaneously obtain the dual effect of full-body rhythmic exercise and local muscle deep relaxation.

The coaxial speed reducer integrated structure is installed in a speed reducer shell and comprises a planetary gear assembly and a differential mechanism, the planetary gear assembly comprises a sun gear connected with the output end of a driving motor, a planet carrier, an inner gear ring fixed to the speed reducer shell, and a planetary gear rotationally installed on the planet carrier and meshed with the sun gear and the inner gear ring. The differential mechanism comprises a lower half differential shell, a differential mechanism shaft, a bevel gear installed on the differential mechanism shaft and a half axle gear meshed with the bevel gear, the planet carrier comprises an upper installation plate and an upper half differential shell integrally formed under the upper installation plate, the planet gear is installed on the upper installation plate and extends out of the planet carrier, and the upper half differential shell and the lower half differential shell are in coaxial butt joint to form a differential shell. The bevel gear and the half axle gear are arranged in the differential shell, and the differential shaft extends out of the differential shell. The size and the weight of the planet carrier can be effectively reduced, casting forming is easier, the heat dissipation and lubricating efficiency of the planet gear assembly is improved, the dynamic balance of a transmission system is guaranteed, and the transmission reliability is improved.

The utility model discloses a kind of improve the wear resistance of pli beads and continuously variable transmission, including body, wear-resistant contact part is provided on the body, and the wear surface structure of wear-resistant contact part is plane form.The utility model has the beneficial effects of slowing down the wear rate of wear-resistant contact part, reducing the maintenance cycle and cost of transmission, improving wear resistance and transmission reliability, simple structure, low manufacturing cost and not easy to damage etc.

The utility model discloses a modular hydraulically-driven strip tillage machine which comprises a machine frame connected with a tractor in a hanging mode and a plurality of tillage units arranged on the machine frame, and each tillage unit comprises an adjusting frame, a first hydraulic motor arranged on the adjusting frame and a rotary tillage knife roll directly driven by the first hydraulic motor. Each cultivation unit is in sliding connection with the rack through a sliding adjusting mechanism; the strip tilling machine is further provided with a hydraulic driving system, and the hydraulic driving system comprises a multi-way hydraulic valve set for supplying oil to all the first hydraulic motors and a row spacing adjusting oil cylinder for driving all the tilling units to synchronously move in the opposite direction or the reverse direction along the rack so as to adjust the row spacing. A first transverse rod and a second transverse rod are fixedly connected to the rack in a penetrating mode. The row spacing adjusting mechanism has the advantages of dynamic and accurate row spacing adjustment, reliable locking, simplified structure and efficient operation.

This invention relates to a grinding repair method for a central drive spline shaft, belonging to the field of repair technology. The invention proposes a grinding repair method for a central drive spline shaft. This method involves micro-grinding of the splines on a drive shaft with out-of-tolerance tooth direction but whose spline tooth thickness meets process requirements and has a significant remaining lifespan. This restores the technical condition of the spline teeth on the central drive spline shaft to its original process level, extends the lifespan guarantee capability of the drive shaft, and achieves cost reduction and efficiency improvement.

The utility model relates to the field of steel structure cutting, in particular to an angle grinder base convenient for steel structure cutting, which comprises a base, a cutting table mounted at the top of the base, supporting plates mounted on two sides of the top of the cutting table, a first guide rod mounted between the two supporting plates, and a first screw rod mounted between the two supporting plates. According to the angle grinder base convenient to cut the steel structure, due to the ingenious structural design, low cost and simple later maintenance, the equipment purchase and operation and maintenance cost of an enterprise is reduced, and the angle grinder base convenient to cut the steel structure is high in practicability and high in practicability. Precise adjustment is achieved through the limiting assembly, the fixing assembly, the lead screw and the first guide rod, the traditional manual handheld operation mode is changed, the labor intensity of workers is reduced, the cutting precision and the part size qualification rate are improved, the safety of operators is guaranteed, the operation efficiency is improved, economical efficiency and practicability are both achieved, and the steel structure cutting device is suitable for various steel structure cutting scenes.

The utility model discloses a movable machine tool milling cutter clamp which comprises a base, clamping plates extending along the two sides of the lower end face of the base, positioning plates arranged on the outer sides of the clamping plates, clamping pieces attached to the inner sides of the clamping plates, first through installation holes evenly distributed in the plate faces of the clamping plates on the two sides and the positioning plates, and an embedding hole formed in the middle of the lower end face of the base. The upper end of the transmission shaft is coaxially connected with a motor; a sliding section, a sealing section and a polishing section are sequentially arranged on the outer surface of the cutter body from top to bottom, a shaft sleeve is further arranged on the outer side of the cutter body in a sleeved mode, a groove body and a protruding piece which correspond to the sliding section and the sealing section respectively are arranged in a cavity of the shaft sleeve, a plurality of balls are arranged between the groove body in the shaft sleeve and the groove body of the sliding section, and the protruding piece protrudes out of the groove body of the sealing section. A mounting block is arranged at the upper end of the shaft sleeve, sliding grooves corresponding to the clamping pieces are formed in the two sides of the mounting block, and second mounting holes corresponding to the first mounting holes are formed in the two sides of the sliding grooves in the two sides, so that the sealing performance is better, replacement and mounting are more convenient, and the service life is longer.

The utility model relates to the technical field of machinery, and discloses a conveyor belt tensioning device of a multi-station press machine, which comprises a supporting seat, a servo motor, a bidirectional screw rod, a moving block, an adjusting frame, a tensioning roller and the like, the servo motor drives the bidirectional screw rod to drive the moving block to move horizontally, and the adjusting frame is connected with the moving block through a sliding rod. And the guide columns slide in the inclined guide grooves, so that the tensioning roller synchronously ascends and descends during horizontal movement, and dynamic adjustment of the tensioning degree of the conveying belt is achieved. When heavy objects are conveyed, the wrap angle between the conveying belt and the transmission roller can be increased by lifting the tensioning roller, and the friction force and the transmission stability are improved.

The utility model relates to the technical field of tea cake production, and provides a tea cake discharging device which comprises a rack, a pushing device arranged on the rack and a tea shoveling device connected to the output end of the pushing device, the pushing device can push the tea shoveling device to move, and the tea shoveling device comprises a tea shoveling plate. And at least one tea shoveling brush is arranged on at least one surface of the tea shoveling plate. Tea cakes are separated from the mold through the tea shoveling device, the tea cakes adhered to different positions of the mold can be separated at a time through the multiple tea shoveling brushes in different directions, the working efficiency is improved, the structure is simple, energy consumption is saved, the mechanical cost is reduced, the tea shoveling brushes are made of soft materials, and the tea shoveling brushes are convenient to use. The tea cake discharging device reduces tea cake damage caused by excessive friction and pressure, and solves the technical problems that an existing tea cake discharging device may cause tea cake damage and is complex in structure and low in working efficiency.

The invention relates to the technical field of photography, and provides a camera device which comprises a machine shell, a lens module and a first rotation driving mechanism, the lens module is rotatably installed in the machine shell around a lens rolling shaft, the first rotation driving mechanism comprises a driving wheel, a tensioning wheel, a driven wheel and a synchronous belt, the driving wheel and the tensioning wheel are rotatably installed in the machine shell, and the driven wheel is driven by the synchronous belt. The driven wheel is fixedly installed on the lens module and abuts against the outer side of the synchronous belt. The synchronous belt is connected with the driving wheel and the tensioning wheel in a sleeved mode, or the first rotation driving mechanism further comprises a fixed wheel, and the synchronous belt is connected with the fixed wheel and the tensioning wheel in a sleeved mode. The synchronous belt can be well attached to the driving wheel and the driven wheel, a rigid gear gap is eliminated, it is guaranteed that the lens module is driven by the first rotation driving mechanism to rotate synchronously, meanwhile, the number of parts of the first rotation driving mechanism is small, the synchronous belt does not need to be sleeved with the driven wheel, the size is short, and the overall size and rotational inertia of the machine shell can be reduced.

The present invention relates to the technical field of outward-opening doors and windows, and proposes an outward-opening door and window system with an extremely narrow frame, which includes: an outward-opening door and window sash body profile structure having a first outer frame and a first inner frame; an outward-opening door and window frame profile structure having a second outer frame and a second inner frame; and a window opening assembly having a first locking structure and a second locking structure. The present invention arranges the first locking structure and the second locking structure on the first inner frame and the second inner frame respectively, and moves the hardware channel inward to make the hardware channel closer to the indoor side where the window opening or window closing action is performed, thereby shortening the transmission distance from the handle to the lock structure, greatly simplifying the transmission structure, meeting the requirements of the design of outward-opening doors and windows with extremely narrow frames, increasing the lighting surface of the outward-opening doors and windows, and being able to maintain a high system transmission accuracy and reliability. At the same time, shortening the transmission structure to the inner frame avoids heat conduction between the indoor and outdoor sides, reduces the frame area ratio, and has better thermal insulation and energy-saving effects.

A finish machining method for an internal spline input shaft is characterized by comprising the following steps: with central holes in two ends of the input shaft as a reference and the central axes of the central holes as a machining axis, firstly, performing finish turning on the central holes in the two ends of the input shaft, outer circles of bearings and positioning end surfaces by using a double-end numerical control lathe; and then the input shaft is sequentially subjected to internal spline broaching, gear hobbing, heat treatment, outer circle grinding at the two ends, inner hole finish turning at the two ends and gear grinding. The invention ensures the coaxiality of the reference of the center holes at the two ends of the input shaft, ensures that the excircle of the bearing is consistent with the reference of the center holes, effectively reduces the eccentric error of the center holes at the two ends and the excircle of the bearings at the two ends, reduces the error magnification of subsequent finish machining, improves the overall precision of the product, and improves the concentricity of the assembled bearings at the two ends of the input shaft. Transmission reliability of the input shaft is improved, transmission noise is reduced, finish machining takt of the input shaft is accelerated, finish machining efficiency is improved, and production benefits are improved.

The utility model relates to the technical field of measuring devices, in particular to a rapid focusing measurement flash tester, which comprises a base, a telecentric parallel light source component arranged on the base, a stand column arranged on the base, an upper bearing fixing seat arranged at the upper end of the stand column, a lower bearing fixing seat arranged at the lower end of the stand column, and a screw rod arranged between the upper bearing fixing seat and the lower bearing fixing seat. A glass objective table fixing seat is arranged over the telecentric parallel light source assembly, a glass objective table is arranged on the glass objective table fixing seat, a nut seat is arranged on the glass objective table fixing seat, the nut seat is in threaded fit with the lead screw through a threaded hole, a sliding block is arranged on the glass objective table fixing seat, and the sliding block is in threaded fit with the lead screw through a threaded hole. The sliding block is in sliding fit with a sliding rail arranged on the stand column, a grating reading head is arranged on the glass objective table fixing base and is in sliding fit with a grating ruler arranged on the stand column, a support is arranged on the stand column, a lens is arranged on the support, a surface light source assembly is arranged below the lens, and a camera is arranged above the lens.

The utility model relates to the technical field of range extending type automobile, especially increase a kind of active air intake grille structure for range extender, including grille frame, the upper or front area of car rear wheel package is provided with grille mounting hole;Grille frame one end is embedded and fixed in the inboard of grille mounting hole, forms air inlet end, the other end is equipped with air outlet end, for connecting the air intake system of range extender;Drive assembly is located on grille frame, for driving flap to carry out overturning movement, to open or close air inlet end. By arranging air inlet end in the upper or front area of car rear wheel package, and setting flap controlled by drive assembly, active opening and closure to air inlet end are realized. When vehicle is in pure electric driving mode, range extender does not need to work, flap closes air inlet end under the action of drive assembly, effectively reduces vehicle front end airflow interference, reduces air resistance, improves pure electric cruising range;When range extender starts, flap is automatically opened, guarantees engine air intake demand.

The utility model discloses an electric drive axle and a mining dump truck. The electric drive axle comprises an axle housing of a cylindrical structure, two first-stage speed reduction assemblies, two half shaft sleeve assemblies, two hub speed reduction assemblies, two half shafts and a motor wire holder. The two first-stage speed reduction assemblies are mounted in the axle housing; the two half shaft sleeve assemblies are installed on the shaft faces of the two sides of the axle housing respectively. The two hub reduction assemblies are located on the two sides of the axle housing respectively, the output ends of the hub reduction assemblies are connected with the tire assemblies, and the fixed ends of the hub reduction assemblies are connected with the half axle sleeve assemblies. The two half shafts are installed in the two half shaft sleeve assemblies respectively, one ends of the half shafts are connected with the output end of the first-stage speed reduction assembly, and the other ends of the half shafts are connected with the input end of the hub speed reduction assembly. And the motor junction box is arranged on the outer circumferential surface of the axle housing. The integrated axle housing is simple in structure, drive axle bearing point positions are integrated on the integrated axle housing, the influence of deformation of a drive axle system on an internal power transmission line is reduced, and the reliability is improved.

The utility model relates to ceramic fiber cotton processing equipment technical field, and disclose a kind of ceramic fiber cotton processing silk throwing device, including placing mechanism, is equipped with silk throwing placement bin, auxiliary turning-out groove is opened in the top of silk throwing placement bin, and assembly hole and support are equipped in bottom, rotating mechanism is constituted by speed reducer and connecting frame, and the output of speed reducer is connected with the connecting frame. The utility model is convenient to drive silk throwing assembly and rotary drive mechanism to turn out silk throwing placement bin by rotating mechanism and arc auxiliary turning-out groove cooperation, solve traditional device material loading and unloading difficult, component maintenance inconvenient problem, greatly improve operation efficiency and device maintainability, reduce manual operation intensity.

The utility model provides a kind of chain type mini-tiller belongs to agricultural machinery technical field, for solving the technical problem that existing technology in soil debris invades sprocket chain and leads to transmission jam, wear aggravation. Including: rack shell, engine is set on rack shell upper end, the closed lower end of rack shell and inside is equipped with sprocket accommodating cavity, sprocket accommodating cavity both sides are equipped with shaft hole;Rotary tillage sprocket, rotary tillage sprocket is located in sprocket accommodating cavity, power is transmitted through chain between engine and rotary tillage sprocket, chain is located inside rack shell, the shaft of rotary tillage sprocket is worn out and rotates cooperation from the shaft hole of both sides of rack shell;Still include rotary tillage axle connected to the both ends of rotary tillage sprocket shaft, rotary tillage axle is equipped with rotary tillage blade. It has the technical effect of improving transmission reliability, prolonging equipment service life.

The utility model provides a transmission device and a vehicle, the transmission device is suitable for a starting mechanism, the starting mechanism comprises a gearbox, a starter and an engine, the transmission device comprises a first transmission part, the first transmission part is used for being in transmission connection with the starter, and the first transmission part is sleeved on a crankshaft of the engine; the starter drives the crankshaft to rotate through the first transmission part; and the second transmission part is connected with the first transmission part and is connected with a torque converter of the gearbox. The transmission device solves the problem that in the prior art, the transmission reliability of a flexible disc is poor.

A dealing driving gear box device for a dealing machine comprises a main frame body, a transmission gear protection box is formed on one side of the main frame body in a protruding mode, a card feeding rear rubber roller and a dealing roller assembly are arranged on the main frame body, and the dealing roller assembly is provided with an upper dealing front rubber roller and a lower dealing front rubber roller which are correspondingly arranged up and down. The card dealing device is characterized in that a card dealing driving assembly which is in transmission connection with the card feeding rear rubber roller and the card dealing roller assembly at the same time is arranged in the transmission gear protection box and comprises a card dealing driving motor and a transmission gear assembly; the transmission gear assembly comprises a first-stage transmission gear piece, a second-stage transmission gear piece, a third-stage transmission gear piece, a fourth-stage rubber roller transmission gear piece, a fifth-stage transmission gear piece, a sixth-stage transmission gear piece and a seventh-stage rubber roller transmission gear piece, the first-stage transmission gear is installed on a shaft body of a power output shaft of the first-stage transmission gear in a matched mode, and the second-stage transmission gear piece is connected with the main frame body. The dealing machine has the advantages that the driving wheel is integrated on one side of the dealing machine and is convenient to maintain, and the stability and the service life of the dealing machine are improved and prolonged by completely adopting gear meshing transmission.

The present invention discloses a high-temperature resistant butterfly valve for engines, comprising a valve body, a main sealing valve seat, and a fixed shell installed through the upper surface of the middle part of the valve body; a valve stem is rotatably installed inside the fixed shell, and a heat sink is provided on the outside of the fixed shell; the top of the fixed shell is connected to a power mechanism by screws; a buffer protection component is installed on the left side of the valve plate and inside the valve plate, and the impact force of the material in the valve body on the valve plate can be reduced and offset by the buffer protection component, so as to protect the valve plate. In the high-temperature resistant butterfly valve for engines, the coolant circulates in the spiral tube to cool the valve plate, so that the valve plate can withstand high temperature operation well, and the gas in the connecting airbag will exert a leftward force on the pressure plate and the rotating shaft, which can then offset each other and reduce a part of the force, thereby reducing the impact force of the material in the butterfly valve on the valve plate.

A toothed chain transmission system, belonging to the field of chain drive technology, includes a toothed chain and sprockets that mesh with each other. The chain includes guide plates, toothed chain plates, pins, and rollers. Rollers are mounted on the pins. The guide plates are located on both sides of the chain, and the two ends of the pins are respectively interference-fitted with first connecting holes on the guide plates. The toothed chain plates include first toothed chain plates and second toothed chain plates. The first toothed chain plates are arranged side by side along the pin axis on two adjacent pins between adjacent guide plates. The second toothed chain plates are connected to two pins located on the inner side of the first toothed chain plates between adjacent first toothed chain plates. This invention is based on the meshing transmission principle of toothed chains and optimizes and improves the original toothed chain, thereby achieving the goals of noise reduction, load increase, and transmission efficiency improvement when used in conveying equipment, significantly improving the overall performance and reliability of the chain drive system.