42results about How to "Solve fatigue" patented technology

The stepped heavy-load lifting assembly platform comprises stepped block driving devices, a jacking guide lower base and a lifting platform upper bracket, the stepped block driving devices are located on the two sides of the jacking guide lower base, and the lifting platform upper bracket is located over the jacking guide lower base; the step block driving device comprises four step blocks, and synchronous horizontal movement of the step blocks is achieved through a small-power motor. A bracket on the lifting platform is automatically placed on a supporting surface at a corresponding height on the step block; the jacking and guiding lower base is used for achieving the jacking and guiding functions of the lifting platform upper bracket. According to the step type heavy-load lifting assembly platform, the lifting and supporting functions of multiple sections of fixed heights of the assembly platform are achieved through synchronous movement of the four step blocks, position feedback is achieved through a plurality of sensors in the step block driving device, and the step type heavy-load lifting assembly platform has the advantages of being accurate in positioning and large in bearing capacity; and the reliability, the safety and the service life of the equipment can be effectively improved.

The invention provides a fastener based on a composite material. The fastener comprises a nut, a screw rod, a gasket, a clamping piece pair and a nut. The screw rod is divided into a smooth section and a threaded section; the nut is connected with the smooth section; the smooth section and the surface of the nut are provided with woven composite materials; the gasket sleeves the screw rod and is positioned at the joint of the smooth section and the threaded section; the clamping piece pair is arranged on the outer side of the threaded section and connected with the threaded section and the nut through the inner threads and the outer threads respectively. All the components of the fastener are made of composite materials, corrosion resistance is high, the fatigue problem in connection of composite material components can be effectively solved, the application field is wide, and the service life is long.

The invention discloses a wearable outer limb robot for assisting rod-holding hot-line work and a working method thereof.The robot comprises a shoulder wearing assistive device used for being worn and fixed to the human body, and an installation fixing position is installed at the top of the shoulder wearing assistive device; and the end effector is used for assisting an operator to hold the insulating rod to carry out maintenance operation on the electrified power grid. The outer limb robot is worn for assistance, two flexible and light mechanical arms are additionally provided for an operator, the operator is assisted to hold an operating rod and execute corresponding actions in a matched mode, the problems that the operator is insufficient in stability and prone to fatigue when holding a long rod for operation in a special scene are solved, the holding and clamping mechanism of the robot is fast to operate, and the working efficiency is improved. The safety is remarkably improved, lifting driving force can be provided for operators, the operation fatigue of the operators is effectively relieved, live-line power grid maintenance operation is promoted to be converted from a traditional manual mode to a man-machine co-fusion mode, the operation difficulty and labor intensity of the operators are greatly reduced, and then the working efficiency is improved.

The utility model relates to the technical field of stamping die switching mechanisms, in particular to a forced rollback switching mechanism which comprises an air cylinder, a driving block, a sliding block and a back-off mechanism, the driving block is connected with a movable part of the air cylinder, and the driving block reciprocates in the horizontal direction under the action of the air cylinder; the back-off mechanism is arranged in the vertical direction, the bottom of the back-off mechanism is installed on the sliding block, and the top of the back-off mechanism extends upwards into the driving block. The sliding block is located below the driving block and connected with the driving block in a sliding mode, and the sliding block reciprocates in the vertical direction under the action of the driving block and the back-off mechanism. The utility model has the advantages of reliable reset and convenient installation. The forced reset mechanism avoids the fatigue problem of a traditional spring, and the reset success rate is high; and the reversing mechanism and the nitrogen spring provide double guarantees, so that the sliding block is prevented from falling off and the return stroke of the sliding block is assisted. The sliding block resetting mechanism can solve the technical problems of low resetting reliability and insufficient stability of the sliding block of a traditional switching mechanism.

The utility model relates to a schoolbag technical field especially relates to an automatic fit adjusting air cushion spine protection schoolbag, including schoolbag main part and shoulder strap, the shoulder strap is sewn in the back surface of schoolbag main part, the middle longitudinal of back surface is provided with the spine protection pad, the spine protection pad includes continuous upper spine protection part and lower spine protection part, the upper spine protection part is flat structure, and its surface equal interval is provided with a plurality of first convex strips, the lower spine protection part is an arc structure, and its surface equal interval is provided with a plurality of second convex strips, the spine protection pad from outside to inside is sequentially provided with outer layer, upper layer, lower layer, wherein, the hardness of upper layer material is less than the hardness of lower layer material, the utility model improves the fit protection effect and use comfort degree of schoolbag to spine.

The utility model provides a multi-station rotating horizontal pressing mechanism which comprises a mechanism body, a controller, an indexing material rotating mechanism and a material pressing assembly are arranged on the mechanism body, a tray assembly is arranged on the indexing material rotating mechanism, a station carrier is arranged on the tray assembly, and the station carrier is arranged on the material pressing assembly. The indexing material rotating mechanism can move the multiple sets of station carriers to the position below the material pressing assembly one by one, and the material pressing assembly is used for pressing materials in the station carriers. By the adoption of the mechanism, the problems that in the prior art, fatigue is prone to occurring in the press fit mode of machining personnel, and the press fit efficiency is low can be effectively solved, materials are placed in the station carrier through the equipment, then the materials are transferred to the position below the material pressing assembly through the indexing material rotating mechanism, the material pressing assembly conducts material pressing, and the machining efficiency is improved. Compared with the prior art, the working intensity of processing personnel is effectively reduced, the standard and unified pressing can be ensured, the yield is effectively controlled, the pressing efficiency can be effectively improved through alternate cooperation of the multiple sets of station carriers, and the competitiveness of enterprises is improved to a certain extent.

This utility model relates to the field of plate compaction technology, specifically a waterproof and dustproof lithium battery plate compactor, including a compaction plate, a mounting plate fixedly connected to the compaction plate, and a buffer device provided on the mounting plate. The buffer device includes a fixed plate, and two sets of fixed plates are provided. One side of each set of fixed plates is fixedly connected to one side of the mounting plate. A sliding groove is opened on one side of each set of fixed plates. A handrail is slidably connected to the inner wall of the sliding groove, and a support crossbar is fixedly connected to the handrail. This utility model, by setting a fixed plate to connect the handrail and the mounting plate, and by setting a sliding groove to connect the handrail and the fixed plate, can release the longitudinal constraint of the handrail, allowing the handrail to move up and down while maintaining its connection with the mounting plate. This effectively reduces the vibration generated by the plate compactor, thereby alleviating operator fatigue and solving the problem of operator fatigue caused by prolonged vibration.

The utility model discloses a disc type agaric stick transplanter, relates to agricultural machinery technical field, including power movement mechanism, charging transmission mechanism and snatch material placing mechanism, is provided with charging groove sliding guide on power movement mechanism, and the bottom of charging transmission mechanism is slidably connected with charging groove sliding guide through the sliding block, adopts motor drive, the machine claw of two -jaw and the core components such as guide rail system, and its snatch material placing mechanism can snatch multiple sticks and complete the placing operation through the machine claw, greatly improves work efficiency. The utility model completely gives up the low -efficiency mode of traditional manual bending and placing, effectively reduces the labor intensity, still greatly promotes work efficiency, the device is assisted with the collaborative design of motor drive and machine claw clamp, ensures the accuracy and reliability of stick snatch, realizes the high efficiency and standardization of agaric planting, still significantly reduces the dependence on artificial, fully accords with the urgent needs of modern agriculture to intelligent, mechanized equipment.

The utility model discloses a miniaturized portable gas chromatograph-mass spectrometer, which comprises an equipment main body and a protective box outside the equipment main body, the protective box is mounted outside the equipment main body in a covering manner, and a radiator is arranged at the bottom of the inner side of the protective box; according to the utility model, the equipment main body is arranged on the radiator arranged in the protection box and is limited by the support strips and the barrier strips which are arranged on the radiator in pairs, so that the stability of the equipment main body in the protection box is maintained, and the protection box can be used as a protection structure for isolating the equipment main body from the outside in the carrying and using stages of the equipment main body; the device body is prevented from being in direct contact with the ground or being completely exposed in the external environment, the two shoulder straps symmetrically installed on the protection box are easily worn by a detector, and the fatigue problem caused by long-time hand lifting due to the fact that the weight of the device body is large is avoided; and the detection probe is easy to store and extend out for detection.

The utility model discloses a handheld code scanning device relates to code scanning equipment technical field, this handheld code scanning device is including handle and scanning head, the top of handle is equipped with the U shape board, the opening direction of U shape board is located in the side, the inside rotation of U shape board is connected with the rotating block, the side of rotating block is close to the arc of U shape board and is arranged, the other side of rotating block is equipped with the connecting block, the both ends of connecting block other side are equipped with the fixed plate, and the second fixed link is installed between two fixed plates, and the present scheme solves the fixed immovability of scanning head in the process of using the current handheld scanning equipment, can not adjust, needs manual wrist rotation to adjust the code scanning angle, thereby realizes the code scanning, and such operation long time work leads to the hand fatigue of user, and simultaneously, the long time use of current scanning equipment, the external protective housing of scanning head is inevitably abraded, leads to the problem of the deficiency of definition, will cause the scanning failure.

The multi-layer standby material workbench with the fool-proof structure comprises an assembling workbench, a controller and a material preparation machine body, a material preparation frame and a material supply lifting assembly are arranged in the material preparation machine body, the moving end of the material supply lifting assembly is connected with the material preparation frame, and a plurality of layers of material preparation trays are arranged on the material preparation frame. The material taking window matched with the assembling workbench is arranged on the material preparation machine body, the material taking induction piece is arranged on the side edge of the material taking window and can judge whether an operator conducts the material taking action or not, and by the adoption of the mechanism, the assembling mode of assembling personnel in the prior art can be effectively solved; in order to solve the problems of easy fatigue and low assembling efficiency in the prior art, the equipment is used, a material taking induction piece identifies whether material taking action is carried out or not, a material supply lifting assembly is matched to drive a material preparation frame to ascend and descend, sequential material taking is achieved, the problems of missing taking or wrong material taking sequence are avoided, the assembling and material taking efficiency can be effectively improved, and the labor intensity of workers is reduced. And the competitiveness of an enterprise is improved to a certain extent.

The utility model discloses an old man turning-over device relates to medical auxiliary instrument technical field, including frame body part, control part and lifting part, replace manual heavy physical operation: device relies on the drive motor of control part, screw rod and abutment plate cooperation, through motor drive screw rod rotation, drive abutment plate to lift to promote first side plate, second side plate rotation around pivot, realize the mechanical lifting of old man body position and turn over, replace traditional manual auxiliary turning-over's heavy physical labor. Without nursing staff consuming physical strength to move or lift the old man, solve the problem of nursing staff fatigue caused by frequent turning over at night, reduce the work burden of long-term nursing, adapt to the scene of family lack of professional nursing staff.

This utility model provides a portable device for soil pollution detection and collection, relating to the field of soil collection technology. It includes a collection mechanism with a foot pedal at the top and a handle at the top. The collection mechanism includes an upper shovel. The upper and lower shovels are connected by a hinge in the collection mechanism. A locking structure between a limiting member and a limiting hole allows for flexible adjustment of the lower shovel's opening and closing. When unfolded, the depth of penetration is extended; when folded, the depth of penetration is shortened by a limiting fixation. A foot support installed between connecting rod one and connecting rod two allows the collector to adaptively adjust the angle according to their own exertion habits, solving the problems of awkward exertion and fatigue associated with traditional fixed foot pedals. Connecting rod one, connecting rod two, and connecting rod three are connected by threads, enabling quick disassembly. After disassembly, each component can be stored in a portable backpack, solving the problem of inconvenience in carrying traditional integrated tools.

The utility model belongs to the technical field of electric power line hot-line work, and discloses a disconnected branch line lifting and doubling device for hot-line work, which comprises a base, a first fixing seat, an insulating rod, a second fixing seat, a clamping seat and a main line support. The first fixed seat is fixed on the base, and the second fixed seat is arranged above the first fixed seat; the lower end of the insulating rod is fixedly connected with the first fixing seat, and the upper end is fixedly connected with the second fixing seat. The clamping seat is slidably connected to the insulating rod and used for clamping the parallel groove clamp, and the clamping seat can drive the parallel groove clamp to move towards the direction of the second fixing seat; the main line support is movably connected to the second fixing base and used for hooking a main line. And the main line bracket can move along the direction of the second fixing seat, so that the main line bracket and the clamping seat are close to each other, and the main line is embedded into a line slot of the parallel groove clamp. The device provided by the utility model is easy to operate, can solve the problem that the upper arm is easily tired when being manually lifted and the problem that a large-wire-diameter branch wire is difficult to lift, and is good in applicability and strong in practicability.

This utility model discloses a raw material fabric cutting device for underwear production, including a cutting table. Two sets of support plates are fixedly connected to the cutting table, symmetrically distributed about the central axis of the cutting table. Two sets of tension rollers are arranged on the support plates, also symmetrically distributed. A mounting plate is provided on one side of the cutting table, parallel to the cutting table. A fixing plate is fixedly connected to one side of the mounting plate, and two sets of lead screws are rotatably connected to one side of the fixing plate. Each set of lead screws is threaded with a first connecting plate. This raw material fabric cutting device for underwear production solves the problem of hand muscle fatigue or injury caused by manual pressing of fabric, protecting workers' hands and enhancing the pressing and fixing effect on the fabric. This increases the accuracy of fabric cutting by the equipment, reduces safety hazards, and avoids accidental injury from the machine.

The utility model discloses an adjustable elevator, which belongs to the technical field of elevators, aims at solving the problems that the elevator is inconvenient to use by people with different heights and the comfort is poor, and comprises an elevator body and a seat, the seat is arranged on one side of the elevator body, and a cushioning component matched with the seat is arranged on one side of the elevator body; the two leg supporting plates are symmetrically distributed and fixed to the side wall of one side of the seat, a foot support is arranged on one side of each leg supporting plate, and an adjusting assembly matched with the foot support is arranged on one side of each leg supporting plate; according to the utility model, through the arrangement of the cushioning assembly, the cushioning effect on the seat is achieved, the injury to the buttocks of a user caused by vibration can be effectively prevented, the condition of aching pain of the buttocks caused by long-time sitting work is effectively avoided, the comfort of a worker is effectively relieved, and then the working efficiency of the worker can be improved.

The application discloses a rock breaking cutter mounting structure, comprising a turnover frame, one end of the turnover frame being hinged on a drill bit stand, the other end of the turnover frame being fixedly connected with a cutter assembly, and the cutter assembly being detachably connected with the drill bit stand; the cutter assembly is turned from facing a rock breaking working face to being away from the rock breaking working face through the turnover frame, so that the dismounting direction of the cutter assembly is turned from facing the rock breaking working face to being away from the rock breaking working face. Through the turnover frame which can be turned in a rotary direction and the related structure, the rock breaking cutter mounting structure can turn the downward dismounting direction to the upward direction under the premise that the heading machine does not move upward or moves a small distance, the space inside the drill bit is utilized, and the dismounting operation is convenient and efficient; in addition, the rock breaking cutter mounting structure can also ensure stable operation of the cutter and convenient operation.

The utility model relates to circuit breaker assembly technical field, concretely is a kind of circuit breaker of convenient combination assembly;The utility model generates magnetism by controller control electrically controlled magnet energization, only need to fix the outer wall of the fixed base with circuit breaker one, and then make electrically controlled magnet produce magnetic adsorption to iron block, also need not hold circuit breaker one, electrically controlled magnet carries out magnetic adsorption to circuit breaker one, subsequently, limit rod is stirred, to make the rotation of the limit rod in fixed pivot, and then make the outer wall of limit rod be fixed in circuit breaker one, it is convenient to install;Through the magnetic adsorption of electrically controlled magnet to iron block and fixed, subsequently, only need to pull slide plate and drive fixed bolt to move to one side, make fixed bolt disconnect fixed to card slot and limit slot, while pulling down limit rod, circuit breaker one can be applied to tension, circuit breaker one drives iron block and electrically controlled magnet to lose fixed, can select one or more circuit breaker one and pull down, it is more convenient to assemble.

The invention provides a composite energy storage material as well as a preparation method and a refrigeration method thereof, and the preparation method of the composite energy storage material specifically comprises the following steps: combining graphene and carbon nanotubes into a graphene frame structure at normal temperature; raising the temperature from the normal temperature to 290-320 K, and melting the solid n-alkane CnH2n + 2 into a liquid state; wherein n is greater than or equal to 16 and less than or equal to 20, and n is an integer; and finally, pressing liquid n-alkane CnH (2n + 2) into the graphene frame, packaging to obtain a composite material, and maintaining the temperature of the composite material to be more than 300K, so that the liquid n-alkane CnH (2n + 2) is not solidified, thereby obtaining the composite energy storage material. The heat conductivity of the prepared composite energy storage material reaches 4W. M <-1 >. K <-1 > or above, and the composite energy storage material can generate adiabatic temperature change of about 22.5 K at about 70MPa.

The invention provides an electric quantity display control method and device, control equipment and a computer readable storage medium. The electric quantity display control method comprises the steps that a virtual electric quantity setting interface of the electronic equipment is displayed, and the virtual electric quantity setting interface comprises a virtual electric quantity switch control; acquiring a virtual electric quantity target value of the electronic equipment; and in response to a starting click operation of a virtual electric quantity switch control in the virtual electric quantity setting interface, controlling the electronic equipment to display the electric quantity based on the virtual electric quantity target value. According to the application, the discharge waiting time in a specific electric quantity scene can be reduced, the control accuracy of the specific electric quantity is improved, and the working efficiency in the specific electric quantity scene is improved.

The invention discloses a breathing balloon for emergency treatment, and relates to the technical field of medical treatment, the breathing balloon comprises a breathing balloon and a pair of grip forceps for extruding the breathing balloon, an auxiliary air bag is designed at the contact part of the breathing balloon and the grip forceps, and an inclined column extends inwards at the part, adjacent to the breathing balloon, of the grip forceps; the inclined column is tightly attached to the outer surface of the breathing balloon, the ratio of the front end length to the rear end length of the grip forceps is 3: 2, the grip forceps comprise two sets of special-shaped clamping plates, stress grips and finger plates, and the tail ends of the two sets of special-shaped clamping plates are welded to the corresponding stress grips and connected through a rotating shaft. The device has the advantages that through the innovative combined design of the special-shaped clamping plate, the stress grip and the finger plate, flexible opening and closing are achieved in combination with the rotating shaft, the device conforms to the ergonomic principle, hand stress points are effectively dispersed, hand spasm and varicosity caused by long-time extrusion are avoided, the efficiency of first-aid work is improved, and the safety of the first-aid work is improved. And the hand health of the medical personnel is more effectively protected.

The utility model provides an office chair with a pneumatically adjusted back, and relates to the field of office chairs. The office chair comprises a cushion, supporting legs are fixedly connected to the lower surface of the cushion, a transfer bin is fixedly connected to the left end of the cushion, a backrest shell is fixedly connected to the upper end of the transfer bin, and a rotary pressure motor is fixedly connected to the inner side of the transfer bin. According to the office chair capable of pneumatically adjusting the back, a reset spring is extruded through an adjusting rod, so that a rack plate transversely moves to push a sealing plate to rotate, an air inlet shell communicates with an air supply pipeline, an air pump is started to generate air flow, the air supply pipeline provides air flow for the air inlet shell, and the air flow enters an air cushion bin through a communicating pipe; the air cushion bin at the specific position is inflated and swelled to change the position, and different air cushion bins are inflated by pressing different adjusting rods, so that the effect of adjusting the shape of the backrest is achieved, and the problem that the shape of the backrest of the office chair is fixed and the fatigue of the waist cannot be relieved as required is solved.

The utility model relates to the technical field of tablet terminals, in particular to a portable tablet terminal device which comprises a tablet terminal body, a first protection piece and a second protection piece are arranged on the outer side of the tablet terminal body, the first protection piece comprises a first U-shaped covered edge, a first rubber pad is arranged at the bottom of the first U-shaped covered edge, and a first connecting plate is arranged on the right side of the first rubber pad. The second protection part comprises a second U-shaped covered edge, a second rubber pad is arranged at the bottom of the second U-shaped covered edge, a second connecting plate is arranged on the left side of the second rubber pad, a first connecting rod penetrates through the rear side of the first connecting plate, a first handle is arranged at the rear end of the first connecting rod, and a second connecting rod penetrates through the rear side of the second connecting plate. A second handle is arranged at the rear end of the second connecting rod. According to the portable tablet terminal device, the first handle and the second handle are arranged, so that a user can conveniently carry the tablet terminal with one hand or two hands, the problem of hand fatigue caused by holding the tablet terminal by hand is avoided, and the carrying convenience and the use experience are greatly improved.

The utility model relates to the technical field of medical auxiliary devices, in particular to a medical handheld metering device which comprises a metering device body, a display screen is arranged at the top of the metering device body, and a cantilever beam weighing sensor is arranged at the bottom of the metering device body. A hanging ring is fixedly mounted at the bottom end of the cantilever beam weighing sensor, a hook is hung on the hanging ring, a hanging rope is fixedly connected to the lower side of the outer wall of the hook, and a placing disc is fixedly connected to the bottom end of the hanging rope. According to the handheld metering device for medical metering, the metering device body, the display screen, the cantilever beam weighing sensor, the hanging ring, the hook, the hanging rope, the placing disc, the multi-stage telescopic rods, the rubber block and the support are used in cooperation, the three multi-stage telescopic rods are completely unfolded and stretched, and a stable triangular support is formed on the outer wall of the metering device body; a metering device body is stably placed on a platform.

The utility model relates to a spherical mouse, which belongs to the technical field of mice and comprises a spherical head and a disc-shaped base, the spherical head is arranged on the disc-shaped base, a connecting portion of the spherical head and the disc-shaped base is bent inwards to form an arc, and the spherical head inclines towards one side by 30 degrees. The mouse conforms to the most comfortable posture angle of the arm and the natural physiological bending state of the hand, the fatigue and discomfort caused by long-time continuous use of a traditional mouse are thoroughly solved, and the use experience is greatly improved.

This utility model discloses an electric crochet hook, including a hook shell and a hook body. The hook shell has detachable covers at its front and rear ends. The hook shell is provided with a mounting mechanism, and a transmission mechanism is fixedly installed inside the hook shell through the mounting mechanism. The output end of the transmission mechanism is connected to the hook body, and the transmission mechanism drives the hook body to reciprocate and extend. The transmission mechanism transforms manual operation into electric drive, reducing the user's hand involvement, preventing muscle strain during prolonged operation, solving the problem of hand fatigue, and greatly reducing the hand strength and dexterity required for hand crochet. This allows users to complete crochet tasks independently, breaking through the high hand function requirements of traditional crochet hooks.

The utility model discloses an automobile roll-on-roll-off ship arc-shaped engine room enclosure bulkhead structure which comprises an engine room enclosure fixedly connected to a vehicle deck, and the engine room enclosure comprises two end enclosure bulkheads and a longitudinal enclosure bulkhead arranged between the two end enclosure bulkheads. The end enclosure bulkheads and the longitudinal enclosure bulkheads are fixedly connected through arc-shaped plates; the two sides of the arc-shaped plate are each fixedly provided with two vertical reinforcing pieces, and a horizontal reinforcing piece is fixedly arranged between the two vertical reinforcing pieces. The horizontal reinforcing piece is fixedly connected to the arc-shaped plate; the arc-shaped plate and the vertical reinforcing piece are both fixedly connected to a vehicle deck. According to the utility model, the fatigue strength of the end area of the cabin shed is improved.

The invention provides a knee locking exoskeleton robot, and relates to the technical field of medical robots, the knee locking exoskeleton robot comprises a waist binding mechanism, a knee locking execution mechanism and a support driving mechanism, the knee locking execution mechanism comprises two leg binding pieces which are symmetrically arranged, and each leg binding piece comprises a thigh rod piece, a knee locking assembly and a shank rod piece. The device has the advantages that the device is bound to the waist of a patient through the waist binding mechanism, two leg binding pieces of the knee locking executing mechanism are bound to the legs of the patient, knee locking assemblies of the two leg binding pieces make contact with the knees of the patient, and when walking training is conducted, the knees of one leg are locked through the knee locking assemblies to achieve standing; the knee locking assembly at the knee of the other leg is unlocked to achieve moving training, active walking rehabilitation training can be achieved by repeating the steps, the initiative of self-rehabilitation of the spinal cord patient is improved, the rehabilitation training effect of the patient is improved to the maximum extent, and the fatigue problem caused by the fact that a rehabilitation doctor assists the patient in manual rehabilitation training is effectively solved.

The utility model discloses a dust recovery equipment for cat litter production line belongs to dust recovery technical field, this equipment has included shell, filter dust net, filter dust frame and shakes and beats the mechanism. Among them, filter dust net is fixed in the shell through filter dust frame, and the shell is partially separated into first chamber and second chamber, and the shaking mechanism includes the shaking block in the second chamber, and the shaking block is limited through the tension spring, and the shaking block vibrates in the second chamber, and continuously shakes and beats filter dust frame. The utility model's advantage lies in: the shaking block shakes on filter dust frame, makes filter dust frame vibrate, and filter dust frame vibration drives filter dust net vibration, makes the dust that filter dust net collected falls down, thereby is collected. This kind of design avoided the damage that the vibration mechanism directly acted on filter dust net brought to the net cloth, improved the service life of filter dust net.