217results about How to "Low structural cost" patented technology

The invention discloses a chip detection device and method, and belongs to the field of chip detection. A chip detection device comprises a vertical cabinet and a detection probe arranged on one side of the vertical cabinet in a sliding mode and further comprises a detection assembly rotationally installed on one side of the vertical cabinet, a clamping assembly used for fixing a chip is arranged on the detection assembly, and the detection probe is arranged over the clamping assembly; the dust removal assembly is used for cleaning the surface of the chip, the dust removal assembly is arranged in the detection assembly in a sliding mode, the detection assembly comprises a detection disc and a positioning ring, a through hole is formed in the detection disc, and the positioning ring is installed on the upper surface of the detection disc and located above the through hole; according to the invention, the possibility of chip damage is reduced, the detection accuracy is improved, and the detection quality of the to-be-detected chip is ensured; the detection accuracy is ensured, and the detection efficiency is improved; the electrical control is saved, the structure cost is reduced, the surface of the chip is ensured to be cleaned before detection each time, and the detection precision is improved.

The invention discloses an integrated organic fertilizer raw material fermentation bin feeding and discharging robot, and belongs to the technical field of feeding and discharging robots. The integrated organic fertilizer raw material fermentation bin feeding and discharging robot comprises a storage box, a feeding hopper is arranged on the side wall of the storage box, a conical hopper is arranged in the storage box, and the upper end face of the conical hopper is connected to the inner wall of the storage box; the feeding and discharging device of the fermentation bin is integrated, feeding movement and discharging movement can be carried out, the double requirements are met, one machine has two purposes, the feeding and discharging efficiency is high, and the feeding and discharging device of the fermentation bin is convenient to use. And a second motor rotates to drive a second spiral output shaft to rotate, so that the raw materials are conveyed from the upper portion to the lower portion of the material storage box, blockage of the internal raw materials is prevented, and the discharging efficiency is improved.

The utility model relates to the technical field of Chinese yam cultivation, in particular to an easy-to-harvest Chinese yam cultivation device which comprises a cultivation device body, a seedling climbing frame is slidably connected to the top of the outer side of the cultivation device body, and a cultivation box is slidably connected to the interior of the cultivation device body. A light-transmitting adjusting door is connected to a position, corresponding to the incubator, of the front surface of the culture device main body through a hinge; the seedling climbing frame is used for climbing seedlings in different growth periods of Chinese yams; the light-transmitting adjusting door is used for adjusting the brightness of the Chinese yams in the incubator; according to the cultivation device, the height of a connecting sleeve can be controlled through a rotary knob, so that the light transmittance of a light-transmitting adjusting door is adjusted, the requirements of Chinese yams for different light transmittance can be met, meanwhile, the height of a seedling climbing frame can be adjusted through a lifting air cylinder, and then a seedling climbing column is driven to move through the seedling climbing frame; compared with an existing cultivation device easy to harvest Chinese yams, the overall practicability of the cultivation device easy to harvest Chinese yams can be improved through the design of the cultivation device easy to harvest Chinese yams.

The utility model discloses a movement mechanism and a laser slide marking machine. The movement mechanism comprises a feeding assembly, a discharging assembly, a marking plate and a feeding bin. A marking work station and a caching work station are formed above the marking plate; the feeding cabin is arranged above the marking plate, the feeding assembly is provided with a movable feeding pushing piece, and the feeding pushing piece is used for pushing a glass slide to a marking working position and pushing a next glass slide from the feeding cabin to the marking working position and pushing a previous glass slide of the marking working position to a temporary storage working position at the same time; the discharging assembly is used for pushing out the slides located at the temporary storage working position. The laser slide marking machine comprises a rack, and a central control module, a dust purification module, a laser marking module and a movement mechanism which are arranged on the rack. The temporary storage work station is formed above the marking plate, and the feeding assembly and the discharging assembly which are independent of each other are used for feeding and discharging pushing, so that continuous marking is achieved, the whole marking process is coherent and smooth, and the marking efficiency is greatly improved.

The utility model relates to the technical field of illumination, and discloses a light emitting piece which is a rotational symmetric body and comprises a first end part, a first light reflecting part, a second end part, a second light reflecting part and a third end part, the first end part is provided with a light outlet; the first reflecting part is formed by extending the first end part upwards in an arc-shaped manner in the direction far away from the light outlet, and is provided with a reflecting surface; the second end part is the top end of the light emitting part; the second end part obliquely extends downwards in the direction close to the light outlet to form the second light reflecting part, and the second light reflecting part is provided with a polarization surface; the third end part is arranged at the other end of the second light reflecting part; and the first end part, the first light reflecting part, the second end part, the second light reflecting part and the third end part jointly encircle to form a light emitting cavity. The light entering the light outlet cavity is emitted from the light outlet after being collimated and reflected by the first light reflecting part and deflected and reflected by the second light reflecting part, so that the direct light is avoided, the glare condition is effectively controlled, and the light outlet effect is good. The utility model further provides a light emitting structure comprising the light emitting piece and a lamp.

The utility model discloses a switching micro-bubble generating system and discloses a bathtub using the switching micro-bubble generating system, and the switching micro-bubble generating system comprises a water pump which is provided with a first water inlet end and a first water outlet end; the water passing pipe comprises a second water inlet end and a second water outlet end, a venturi passage and a through passage which are connected in parallel are arranged between the second water inlet end and the second water outlet end, the venturi passage is provided with an air suction end, and the second water outlet end is communicated with the first water inlet end; the first control valve is used for controlling opening and closing of the suction end; the second control valve is used for controlling opening and closing of the straight-through path; the water distribution pipe comprises a first pipeline and a second pipeline, and the first pipeline and the second pipeline are connected with the first water outlet end in parallel; the third control valve is used for controlling opening and closing of the second pipeline; through cooperation of the first control valve, the second control valve and the third control valve, opening and closing of all water paths in the water passing pipe and the water distribution pipe are controlled, so that the switching microbubble generation system has different water using modes, only one water pump is needed for providing power, the overall size is small, the installation space is saved, and the structural cost is low.

The utility model relates to the technical field of rehabilitation instruments, in particular to an air valve type control driving device, which comprises an air valve control mechanism and two air bag driving components arranged in parallel, and the two air bag driving components are respectively mounted at two thighs of a human body. The air valve control mechanism comprises a controller, an air pump assembly, an air guide pipe assembly and an air valve assembly, the controller is electrically connected with the air pump assembly and the air valve assembly, the air valve assembly corresponds to the two air bag driving components, the air pump assembly is connected with the air guide pipe assembly through the air valve assembly, and the air pump assembly is connected with the air guide pipe assembly through the air valve assembly. The air guide pipe assembly is connected with the air bag driving component. The walking assisting device is novel and simple in structure, a sensor does not need to be additionally arranged for work after detection, the controller drives the air pump assembly to drive the two air bag driving components to work alternately, and walking assisting is achieved; structural cost is low, weight is light, user burden is reduced, and use flexibility can be improved.

The utility model provides a straight feeding upward pushing mechanism. The straight feeding upward pushing mechanism comprises a base provided with a conveying belt used for conveying products. The lifting assembly is arranged on the base, a material lifter supporting plate located at the discharging opening of the conveying belt is arranged on the lifting assembly, and the lifting assembly drives the material lifter supporting plate to do lifting movement; the translation assembly is arranged on the base, a material pushing plate is arranged on the translation assembly, and the translation assembly drives the material pushing plate to translate; when the material lifter supporting plate is lifted to a preset position, the translation assembly drives the material pushing plate to translate and push out products on the material lifter supporting plate till the products are completely separated from the material lifter supporting plate, the material pushing plate is driven by the translation assembly to return to the initial position, and the material lifter supporting plate is driven by the lifting assembly to return to the initial position. The lifting assembly and the translation assembly are combined and located on one mechanism, compared with a traditional transverse and vertical layout, the space requirement for mechanism installation is reduced, meanwhile, the feeding direction is changed, the whole lifting and pushing period is shortened, and the working efficiency of the mechanism is improved.

The invention provides an annular vortex-pre-evaporation combustion chamber which comprises a cartridge receiver assembly, a flame tube assembly, an oil supply assembly and an evaporation pipe, and an air inlet is formed in the cartridge receiver assembly; the flame tube assembly is communicated with an air inlet of the cartridge receiver assembly; an ignition electric nozzle is arranged in the flame tube assembly; a ring vortex structure is formed in the flame tube assembly; the oil supply assembly is arranged on the casing assembly; the inlet end of the evaporation pipe communicates with the outlet end of the oil supply assembly, and the outlet end of the evaporation pipe communicates with the interior of the flame tube assembly. The evaporation pipe is suitable for evaporating fuel oil and mixing with air to form an oil-gas mixture; air entering from the air inlet and an oil-gas mixture form mixed airflow in the flame tube assembly, and the mixed airflow forms an annular vortex field when flowing on the annular vortex structure. And under the action of the annular vortex field, the mixed airflow is in multiple contact with the ignition electric nozzle. According to the combustion chamber, through the arrangement of the structure, the probability that an oil-gas mixture is ignited can be greatly increased, and the ignition performance and the combustion efficiency of the combustion chamber are improved.

The invention discloses an auxiliary supporting device for the tail end of a missile warhead. The auxiliary supporting device comprises a cabin, the warhead, a supporting frame, a supporting ring, a nut and a bolt. The supporting ring is a circular ring with an L-shaped section, the supporting frames are evenly distributed and installed in the annular direction, the supporting frames are trapezoid pieces with ribs, one ends of the supporting frames are fixedly connected with the supporting ring, and the other ends of the supporting frames are fixedly connected with the end face of a cabin. The tail end of the warhead is sleeved with the supporting ring, the supporting frame and the supporting ring form a claw-like connecting structure, and the connecting structure is good in openness, light in weight and convenient to install. A plurality of radial threaded holes are formed in the axial side edge of the supporting ring, bolts and nuts are installed in the radial threaded holes, so that the bolts can vertically abut against the surface of the tail end of the warhead, pre-tightening force is formed, radial constraint rigidity is provided, and meanwhile the nuts are screwed to prevent looseness; for the axial constraint rigidity of the warhead, the axial constraint rigidity can be adjusted by adjusting the pretightening force of the radial bolt. The device can adapt to warheads in various shapes, and radial constraint is achieved by installing screws in different threaded holes.

The invention discloses a robot, a mechanical arm and a mechanical arm detection control device and method, and belongs to the technical field of robots. The mechanical arm detection control method comprises the steps that S100, an actual torque signal of a motor unit is detected; s200, obtaining a detected actual torque signal of the motor unit, and processing and calibrating the actual torque signal to obtain an actual torque output by the motor unit; and S300, zero-force control is conducted on the mechanical arm according to the actual torque output by the motor unit and the mechanical arm compensation torque, and the mechanical arm compensation torque comprises the gravity torque of the mechanical arm, the joint friction torque of the mechanical arm and the inertia torque of the mechanical arm. The torque detection unit is directly integrated into the motor unit, installation and maintenance are simplified, the requirement for zero-force control of the mechanical arm is met, and controllability and safety of the robot are improved.

The utility model relates to air conditioning technical field provides an air conditioner indoor unit and air conditioner, indoor unit includes: shell, the shell has the air outlet, fixed part is located the position of the shell is located air outlet downside, air deflector is configured as movably placed below air outlet to block air outlet downward air outlet, wherein: air deflector is connected with connecting piece, and through connecting piece quick release is installed on fixed part, the utility model discloses air conditioner indoor unit, through setting fixed part at the bottom of shell, air deflector quick release is connected in fixed part through connecting piece, makes air deflector to be located below air outlet, blocks air outlet directly downward air blowing, can realize the function of preventing straight blowing, low structure cost, can also quickly and conveniently remove air deflector when not using, and after air deflector removal, fixed part is located at the bottom of shell, its structure is not easy to be perceived, and air conditioner indoor unit appearance is beautiful, improves user experience.

The present invention relates to an automatic loading and unloading machine tool, comprising a bed, a Y-axis moving mechanism and a V-axis moving mechanism. The bed is divided into two parts from front to back, the front half is a processing area, and the back half is a loading and unloading area; the Y-axis moving mechanism and the V-axis moving mechanism on which workpieces can be installed are respectively installed on the bed through Y-direction guide rails, and can reciprocate along the Y-axis direction between the processing area and the loading and unloading area. The processing process of the present invention can be carried out synchronously with the loading and unloading process without interfering with each other, and it has an automatic sorting function for NG materials, and can realize full automation of material placement, detection, and material collection, effectively reduce auxiliary time, improve processing efficiency, and reduce labor costs.

The utility model discloses a swimming pool cleaning device which comprises a first sensor, a second sensor and a controller, the first sensor is located on one side portion of the swimming pool cleaning device, and the second sensor is located on the head portion or the tail portion of the swimming pool cleaning device. The sensing range of the first sensor at least partially coincides with the lateral area of the swimming pool cleaning equipment, the sensing range of the second sensor at least partially coincides with the front area or the rear area of the swimming pool cleaning equipment, and the controller can receive data signals of the first sensor and the second sensor. And position information of the swimming pool cleaning equipment is obtained based on the data signal. According to the swimming pool cleaning equipment provided with the sensors, the edge positioning function in a swimming pool can be achieved only through the two simple sensors, and the production cost and the structural cost are reduced.

This application provides a method, apparatus, and electronic device for controlling a motor. Without using a Hall sensor or other device to detect motor speed, the processor in the electronic device calculates the peak voltage of the AC power supply driving the motor using a zero-crossing detection signal. Then, based on the peak voltage, it determines when the motor speed needs adjustment. The voltage control circuit adjusts the AC power supply voltage to the motor, thereby achieving motor speed adjustment. Therefore, this application reduces the structural complexity and cost of the electronic device while controlling the motor, and also improves the user experience of the electronic device.

The present application relates to the technical field of tunnel construction, in particular to a tunnel shield support non-blasting excavation method and equipment, the excavation method comprises four steps of drilling and pumping, concrete solidification, excavation of the surrounding rock and waterproof treatment, the method forms a concrete closed-loop shield support system by drilling and pumping in advance, a stable closed-loop support structure is formed before the excavation of the surrounding rock, effectively preventing the large deformation of soft rock and the rock burst phenomenon caused by stress release in hard rock during tunnel excavation; the system anchor rod, concrete spraying construction and explosive blasting process in the traditional support system are cancelled, which is safe and reliable, and has high economic benefits. The excavation equipment shares a propulsion mechanism through the spiral drill module and the reverse circulation down-the-hole drill module, without the need for separate propulsion devices for the two drill bits, the feed is achieved by driving the arc-shaped limiting piece with a chain, and the limiting block, the worm and the ring worm gear transmission self-locking function are matched to ensure the positioning accuracy of the drill bit during drilling, and to reduce the complexity of the equipment structure and the purchase and maintenance cost.

The utility model provides a moving contact structure and a circuit breaker, and relates to the technical field of circuit breakers, the moving contact structure comprises a moving contact, a lock catch, a contact torsion spring, a lock catch reset piece and a contact support, the moving contact is provided with a mounting hole, the contact support is provided with a mounting seat, the mounting hole of the moving contact is sleeved on the mounting seat, and the lock catch reset piece is arranged on the mounting seat. And the contact torsion spring is clamped and mounted on the contact support to fix the moving contact. The mounting hole is formed in the moving contact, the mounting seat is arranged on the contact support, and the moving contact and the contact support are assembled together to form a component through the contact spring, so that compared with a traditional hot melting riveting process, the structure is low in cost, convenient and fast to assemble and convenient to realize automatic assembly, the original lever and the contact support are integrated, and the production efficiency is improved. The injection molding process cost and the material management cost can be reduced.

The remote control movable type oxygenation feeding machine comprises a feed box, the upper end of the feed box is connected with an opening and closing cover through a hinge, the center position of the upper end of the opening and closing cover is fixedly connected with an opening handle, the lower end of the feed box is fixedly connected with a floating box, a ventilation pipe is arranged on the right side of the feed box, and the ventilation pipe is connected with the upper surface of the floating box in a penetrating mode; a feeding assembly is arranged in the center of the interior of the floating box, an oxygenation cylinder is arranged on the right side of the feeding assembly, a ventilation pipe is arranged on the right side of the oxygenation cylinder, a driving oxygenation component is arranged on the right side of the ventilation pipe, and the feeding assembly and the driving oxygenation component enable the device to be high in oxygenation and feeding integration degree, simple in structure and low in cost. And oxygenation feeding can be remotely operated, and the intelligent degree is high.

This utility model discloses a water path switching structure and a water outlet device with the water path switching structure. The water path switching structure includes: an inlet component comprising a first flow channel, a second flow channel, and a central plug; a drive mechanism comprising a piston assembly and an energy storage chamber; and an outlet mechanism comprising a water distributor, a movable component, a guide component, and at least two outlet channels. The water distributor is rotatably disposed between the second flow channel and each outlet channel. The movable component is linked with the piston assembly and can translate relative to the guide component between a first position and a second position. The water distributor can translate with the movable component and rotate along the guide component. The entire switching process is controlled by hydraulic power, requiring no electrical control components, battery replacement, or charging. Under the water storage and drainage function of the energy storage chamber, the switching operation can still be achieved even at low water pressure. The structure is low in cost and easy to operate.

The invention relates to a crusher for mineral substances or recycled substances, comprising a crushing unit having a first crushing body, to which a movable second crushing body is assigned, between which crushing bodies a crushing gap is formed, a hydraulic cylinder is coupled to one of the crushing bodies and is arranged and configured to allow a movement of the coupled crushing body that increases the width of the crushing gap during a deflection movement, the pressure space of the hydraulic cylinder being coupled to a pressure chamber of a pressure relief valve of an overload trigger device (30), the piston of which can be adjusted between a closed position and an open position, the piston has a closed position in which the fluid-conducting connection between the pressure chamber and the pressure compensation region is blocked and an open position in which the fluid-conducting connection is released, the piston having a piston pressure surface, by means of which the piston defines the pressure chamber in the closed position. The piston has a surface region on the side facing away from the pressure chamber, which in the piston closed position defines a chamber region transversely to the piston adjustment direction in order to introduce a closing force into the piston in the chamber region under the action of pressure.

The invention relates to the technical field of mechanical equipment, in particular to a magnetic levitation compressor outlet pressure adjusting system and method.The magnetic levitation compressor outlet pressure adjusting system comprises an outlet pressure sensor, a controller, an axial magnetic levitation bearing and an axial displacement sensor, the outlet pressure sensor is arranged at an outlet of a compressor, and the controller is connected with the outlet pressure sensor; the clearance between the impeller blade tip and the impeller housing is indirectly adjusted by adjusting the clearance of the axial magnetic suspension bearing in the magnetic suspension compressor, so that the purpose of adjusting the outlet pressure of the compressor is achieved, and the purpose of adjusting the outlet pressure of the compressor can be achieved only through the bearing part of the compressor and a corresponding control program. According to the compressor, valves or mechanical parts and speed regulation devices do not need to be additionally arranged, the structural complexity and the machining and purchasing cost are reduced, and the technical problems that in the prior art, when pressure regulation is conducted on the compressor, the structure is complex, and the equipment cost or the control difficulty is increased are solved.

The utility model provides a floor type power distribution box, which solves the problems that the internal ventilation structure of the conventional power distribution box is limited, the internal temperature of a cabinet body is higher when the conventional power distribution box works in an external high-voltage power distribution environment, and the service life of an electric device is not prolonged, and mainly comprises a front opening type cabinet body, and the bottom layer of the cabinet body is a closed cabinet body with a built-in control module; the top layer of the cabinet body is hollowed out, a semi-open lock door is hinged to the top layer of the cabinet body, the top of the cabinet body and the side end of the cabinet body are provided with a first air cooling installation part and a second air cooling installation part which correspond to the inner wall of the hollowed-out position of the cabinet body respectively, and the first air cooling installation part comprises a heat shield, a wind shield, a wind deflector, an installation plate and a positioning plate; corresponding positioning holes are further formed in the positions, on the outer side of the mounting plate, of the top of the cabinet body, the positioning holes are used for mounting an external storage battery, the heat insulation cover is used for sealing the first air cooling mounting part and the positioning holes in a surrounding mode, and the second air cooling mounting part is an outer plate fixed to the side end of the cabinet body and communicated with the interior of the cabinet body.

This application relates to the field of flexible plate testing technology, and in particular to a flexible plate testing device, including a fixed plate, a sliding plate, a follower plate, and a driving mechanism. The top surface of the fixed plate is suitable for connection to one end of the flexible plate. The top surface of the follower plate, at the end away from the sliding plate, is suitable for connection to the other end of the flexible plate. The driving mechanism is connected to the sliding plate and is used to drive the sliding plate to perform linear reciprocating motion, thereby driving the follower plate to perform linear reciprocating motion. During this process, the position of the crease in the middle of the flexible plate continuously changes. The fixed plate, sliding plate, and follower plate cooperate with each other to realistically simulate the bending and stretching states of the flexible plate in actual use. The gap between the top surface of the fixed plate and the bottom surface of the follower plate can be adjusted according to the thickness and bending radius of the flexible plate being measured to meet the testing requirements of various working conditions, greatly improving versatility.

This utility model belongs to the field of battery formation equipment technology, specifically relating to a carrier for battery formation equipment. It includes a body and a top cover magnetically connected to the body. The body has a battery accommodating cavity, a test probe assembly located at the edge of the battery accommodating cavity, and a PCB adapter board connected to the test probe assembly. The PCB adapter board is located on the side of the body. Compared to existing technologies, this utility model, through ingenious structural design, makes the carrier a detachable structure of body and top cover, with the two magnetically connected. This simplifies the operation when placing the battery into the carrier, and the overall structure has low cost. It also allows for easy switching between different battery types when needed for formation.

The application provides a multi-frequency antenna remote controller, which comprises a shell, a cavity in the shell, an external antenna assembly arranged on the top of the shell, an internal antenna assembly arranged on the top of the cavity, and a picture transmission PCB arranged in the cavity and connected with the external antenna assembly and the internal antenna assembly through feed lines, wherein the external antenna assembly and the internal antenna assembly have different transmitting frequency bands. The external antenna shared by 1.4G / 2.4G frequency bands and the internal antenna of the 5G frequency band are arranged, so that when the signal of a certain frequency band is lost, communication can be switched to another frequency band, and the remote controller is not easily interfered. In addition, the structure of the external antenna and the internal antenna is simple, so that the structural cost is reduced, and the remote controller is more beautiful.

The camera cleaning device provided by the embodiment of the application can utilize the reciprocating swing of the rear rain wiper motor to provide driving force for the driving cam, and convert the rotary driving force into reciprocating linear motion of the transmission member through the special-shaped side surface of the driving cam, so that the transmission member can drive the cleaning assembly to clean the rear camera reciprocatingly. Therefore, the camera cleaning device can clean the rear camera through a pure mechanical structure without integrating a power source, so that the structural complexity and cost of the camera cleaning device can be greatly reduced.

The utility model relates to a filter capable of cleaning dirt without cutting off water, which comprises a body, a filter screen cavity, a filter cylinder, a first valve clack component, a first valve clack driving component, a second valve clack component, a second valve clack driving component and a bypass pipeline, wherein two sealing surfaces matched with an inlet end and two sealing surfaces matched with an outlet end are arranged in the body; the filter cartridge is mounted in the filter screen cavity, one end directly faces the sealing surface of the inlet end, and the side face directly faces the sealing surface of the outlet end; the first valve clack assembly is installed in the body through the first valve clack driving assembly and is driven by the first valve clack driving assembly to switch positions in the two sealing faces of the inlet end. The second valve clack assembly is installed in the body through the second valve clack driving assembly and is driven by the second valve clack driving assembly to switch positions in the two sealing faces of the outlet end, and the bypass pipeline communicates with the inlet end of the body and the filter screen cavity. Compared with the prior art, the water-supply-free sewage disposal device realizes water-supply-free sewage disposal and has the advantages of compact structure, convenience in use and the like.

The utility model discloses a kind of integrated evaporation crystallization systems suitable for potassium sulfate fractional salt, belong to high-efficiency energy-saving industrial technology field.The system includes the preheating unit, evaporation crystallization unit, crystal slurry processing unit and salt washing refining unit connected in turn, and after two-stage preheating of condensate preheater and non-condensing steam preheater, into forced evaporator, after heating, send into integrated crystallizer evaporation crystallization;Integrated crystallizer is equipped with discharging salt leg and bottom heat exchanger evaporator, respectively equipped with salt leg crystal slurry outlet and bottom crystal slurry outlet, both are jointly connected crystal slurry discharge pump;Crystal slurry is thick after thickening tank thickening and enters centrifuge separation, mother liquor returns system circulation, solid phase enters salt washing storage tank;Unique is, using preheated fresh feed to wash potassium sulfate crystal after centrifugation, after washing, crystal slurry is treated by salt washing thickening tank and three-in-one filter to obtain high-purity product.The system can be long-term stable operation with low energy consumption and high product purity.

The multi-stage baffle drainage drop well system comprises a protection wall and a drop well, a branch pipe water inlet is located in the drop well, the bottom of the drop well is connected with an upstream main pipe and a downstream main pipe, and a first-stage baffle, a second-stage baffle and a third-stage baffle are sequentially arranged below the branch pipe water inlet from high to low. The first-stage baffle plate, the second-stage baffle plate and the third-stage baffle plate are inclined upwards at an included angle of 39-42 degrees with the horizontal plane; a first notch is formed in the end, away from the branch pipe water inlet, of the first-stage baffle, a third notch is formed in the position, under the branch pipe water inlet, of the third-stage baffle, a second notch is formed in the second-stage baffle, and the second notch does not coincide with the first notch and the third notch in the vertical projection direction. Direct flushing of flowing water to the drop well can be effectively relieved through the multiple stages of baffles, water flow flowing out of the water inlets of the branch pipes is prevented from directly flushing the drop well, objects directly flushed by the water flow are converted into the baffles, the drainage effect is achieved between the drop well and the baffles, and the service life of the drop well is prolonged.