335results about How to "Optimize the installation method" patented technology

The invention relates to the technical field of orthopedic surgery equipment, and discloses a movable traumatic orthopedic multifunctional surgery device which is arranged on a bed body and comprises first mounting frames, second mounting frames, a third mounting frame and a fourth mounting frame. The second mounting frame is arranged on one side of the bed body; the traction mechanism is detachably arranged on the first mounting frame and the second mounting frame and comprises a mounting assembly and a traction assembly; through the traction mechanism, the traction assembly can be installed according to the part needing traction treatment of a patient under the action of the installation assembly, so that the traction device is suitable for treatment of limbs of different parts of the traumatic orthopedics patient, the installation mode is simple and convenient, the traction device can be rapidly disassembled when not used, the size is effectively reduced, and the whole device is convenient to move; the conditions that traditional traction equipment cannot perform traction treatment on limbs of different parts of a patient and is large in size and inconvenient to move are avoided; the problems that an existing traction device is inconvenient to conduct synchronous traction treatment on the upper limb and the lower limb of a patient and inconvenient to move and install are solved.

The utility model relates to an indoor sound-absorbing wall structure which comprises a wall body serving as an installation base body, and further comprises a plurality of covering keel pieces which are vertically arranged at intervals and fixed on the indoor side of the wall body, and a plurality of sound-absorbing wall bodies, the flame-retardant base plates are horizontally arranged at intervals, and the flame-retardant base plates and the sides, close to the interior of a room, of the covering keel pieces are arranged in a crossed mode to form a latticed layout; the plurality of wood sound-absorbing plates are sequentially arranged in the vertical direction and are fixed on one side, close to the indoor space, of the flame-retardant base plate through a plurality of sound-absorbing plate mounting pieces, and the adjacent wood sound-absorbing plates are spliced in a mortise and tenon joint manner. The installation mode and the installation and decoration effect are optimized, indoor echoes are reduced, a better attraction effect is achieved, and the sound-proof window is suitable for places with higher sound-proof requirements.

The optical detector protection device comprises a supporting assembly, a control assembly, a protection assembly and a movement assembly, parts in the supporting assembly are connected and fixed through threads, and the protection assembly is fixed to the positions corresponding to the parts in the supporting assembly through screws and bolts. The control assembly and the movement assembly are fixed to the supporting assembly. According to the utility model, the control assembly controls the motion assembly to drive the shielding plate in the protection assembly to move, so that the shielding plate in the protection assembly can be rapidly and stably opened when the detector is used, the experiment progress is accelerated, the complex process is reduced, and the detection surface of the detector is protected from being influenced and damaged by external factors when the detector is not used. Meanwhile, the detector protection device has the advantages of quick and efficient response, simple operation, convenient installation mode and small occupied experiment space.

The invention discloses multistage sewage treatment equipment and a treatment process thereof, and relates to the technical field of sewage treatment.The top of a treatment tank is fixedly provided with a fixed circular plate, the inner side of the top end of the fixed circular plate is fixedly provided with an inner interception grid plate, and the middle of the top end of the fixed circular plate is fixedly provided with an outer interception grid plate; the water pump is used for continuously pumping water in the treatment tank, the top end of the treatment tank is lower than the liquid level of the sewage pool, then the water in the sewage pool continuously enters the treatment tank, the outer interception grid plate and the inner interception grid plate are used for sequentially intercepting and filtering sewage flowing into the treatment tank, and the sewage treatment efficiency is improved. According to the sewage treatment tank, floating garbage mixed in a sewage pool is intercepted according to the size, meanwhile, a coarse filter plate and a fine filter plate are arranged in the treatment tank, the intercepted and filtered sewage is further finely filtered, multi-polarization sewage mixed garbage treatment is achieved according to flowing of the sewage, and the treatment efficiency is higher.

The fabricated roof comprises a bottom frame mechanism, the top of the bottom frame mechanism is movably connected with an assembling mechanism, the bottom frame mechanism comprises a top floor bottom plate, two sets of fixing grooves are formed in the top of the top floor bottom plate, and keel wall body steel bar bodies are fixedly inserted into the inner surface walls of the two sets of fixing grooves; profiled cross beam plates are fixedly connected between the tops of the two sets of keel wall steel bar bodies, the outer surface walls of the two profiled cross beam plates are each provided with a set of side grooves, and side embedded blocks are movably inserted between the inner surface walls of the two sets of side grooves. According to the device, under the action of the bottom frame mechanism and the assembling mechanism, when the device is installed, the device is installed in a mutual embedding and clamping mode, the installation mode is rapid and convenient, the installation mode is different from a traditional welding mode, the construction time is shortened, the machining efficiency can be improved, and subsequent disassembly and replacement of damaged parts are facilitated; the service life of the device is prolonged.

The invention provides a frame structure. The frame structure comprises a frame, the supporting rod is located in the frame; the multiple junction boxes are sequentially arranged in the supporting rod at intervals in the extending direction of the supporting rod, and every two adjacent junction boxes are connected through a wire; a plurality of grooves are formed in the inner wall of the supporting rod, the junction boxes are installed in the grooves in a one-to-one correspondence mode, and all the junction boxes are in interference fit with the corresponding grooves; the two ends of the supporting rod are connected with the frame through at least one elastic lock catch; and each elastic lock catch is detachably connected with the supporting rod, so that the problems that in the prior art, the structural stability of a photovoltaic assembly is poor, and the heat dissipation effect of a junction box on the photovoltaic assembly is poor are solved.

The utility model relates to the technical field of trapping, in particular to a bark beetle trapper which comprises a trapping barrel and a suction assembly, a trapping opening is formed in the surface of the upper end of the trapping barrel, a supporting rod is installed in the trapping opening, and the suction assembly used for improving the trapping effect is arranged at the lower end of the trapping barrel. The suction assembly comprises a suction cup, a drainage plate, an insect collecting net bag, a bottom cover and a fan, the drainage plate is installed on the inner wall of the suction cup, the insect collecting net bag is installed in the lower end of the suction cup in a clamped mode, the bottom cover is installed on the outer portion of the lower end of the suction cup in a threaded mode, and the fan is installed at the bottom end in the bottom cover. The bark beetle trapping device has the advantages that the fan rotates on the bottom cover to enable suction airflow to be generated in the trapping barrel and the suction disc, an attractant can be assisted in sucking bark beetles in the trapping barrel, the trapping effect of the bark beetles is improved, a drainage plate enables bark beetle corpses to be sucked into the beetle collecting net bag to be collected, the beetle collecting net bag can be pulled out from the bottom of the suction disc to be cleaned, and the bark beetle trapping device is convenient to use. The bottom cover is in threaded connection with the bottom of the suction cup.

The invention discloses a novel rice seedling raising tray and a manufacturing method thereof.The manufacturing method comprises the following steps that S1, material preparation is conducted, stack-shaped blanks are taken and placed on a movable long plate located at the top of a rack, and the number of the stack-shaped blanks is the same as that of storage frames. The left winding shaft and the right winding shaft are driven to rotate, then the movable long plate is pulled to advance towards the two sides, the corresponding storage frames are pushed to the position below the slicing cutter for slicing treatment, the multiple storage frames are used, feeding and discharging can be conducted at the same time, and feeding and discharging can be conducted on the two sides of the slicing cutter. A worker takes down a cut sheet blank, places the blank needing to be cut into the storage frame, when the long moving plate moves forwards in the reverse direction, the placed blank can be pulled to the position below the slicing cutter to be cut, feeding and discharging are conducted in the two directions, operation switching is conducted according to the moving direction, and the working efficiency is effectively improved.

The utility model provides an insulating threaded rod convenient to install, which comprises a first threaded rod, a second threaded rod, a connecting mechanism and an installing mechanism, and is characterized in that the connecting mechanism is arranged between the first threaded rod and the second threaded rod and is used for connecting the first threaded rod and the second threaded rod; a mounting screw hole is formed in one end of the first threaded rod, the mounting mechanism is arranged in the mounting screw hole, and the mounting mechanism is used for mounting the threaded rod. According to the utility model, through the connection mechanism arranged between the first threaded rod and the second threaded rod, connection of the first threaded rod and the second threaded rod is facilitated, and at the same time, through the arrangement of the connection mechanism, the insulation effect of the whole insulation threaded rod is also improved; the installation mode of the whole insulation threaded rod is conveniently added, and the installation convenience of the whole insulation threaded rod is improved.

The present invention relates to a floating root cutting device for combined harvesting of garlic in the field of agricultural machinery technology, wherein the floating root cutting main body comprises a protective mesh cover inclined in the opposite direction of garlic conveying; a plurality of floating springs are installed on the mounting frame, and the floating springs support and connect a connecting frame arranged at the lower side of the protective mesh cover; the protective mesh cover is built with a knife disc close to its top wall, and a knife disc base assembly supporting and fixing the knife disc, and the mounting frame is installed with a rotating driving component driving the knife disc base assembly and the knife disc to rotate at high speed; the top wall of the protective mesh cover is arranged as a mesh structure with a plurality of top grid holes, and the top center part thereof is arranged as a circular hole structure penetrating from top to bottom to position the garlic, the top center part of the protective mesh cover is directly opposite to the center of the alignment chain, and the top grid hole penetrates the top wall of the protective mesh cover and the upper part of the side wall of the protective mesh cover from front to back, so that cutting indicators such as root system cutting rate, cutting efficiency, and effective cutting force can be significantly improved.

The invention discloses an energy-saving gas treatment device for carbon reduction optimization and a use method of the energy-saving gas treatment device, and belongs to the technical field of gas treatment. An energy-saving gas treatment device for carbon reduction optimization comprises a containing barrel, a first connecting end is arranged on one side of the upper end of the outer portion of the containing barrel, a base is arranged at the lower end of the outer portion of the containing barrel, and connecting grooves are formed in the middle of the upper end of the base and around the upper end of the base in a surrounding mode. According to the gas treatment device, the problems that when an existing gas treatment device is used and used for stirring activated carbon in a pipe body, large-range stirring of the activated carbon can cause equipment noise, the shaking frequency is large, and the connection stability is affected are solved; the second gear can be driven to rotate through transmission of the transmission belt, the first transmission rod and the first gear, and the rotation of the second gear can drive the screw rod at the lower end to rotate synchronously.

The utility model discloses a kind of early warning devices about preventing steel wire rope to be twisted into speed reducer, it is related to early warning device technical field, to solve the problem of steel wire rope running groove and being twisted into speed reducer to cause its damage, operation interruption. The device includes support, touch type positioner, alarm, screw rod and contactor;Support is welded on the outside of speed reducer, across speed reducer and steel wire rope reel, for fixing other components;Touch type positioner is installed on the top of support by screw rod, for signal transmission;Alarm is installed in crane cab;Contactor is installed in hoist electrical control cabinet, for controlling hoist operating circuit and triggering alarm. When working, if steel wire rope deviates from predetermined path and touches touch type positioner, positioner sends signal to contactor, contactor immediately cuts off hoist power supply to make it stop running, and triggers alarm to prompt operator to handle. The device can prevent steel wire rope to be twisted into speed reducer in real time, can guarantee that crane grab bucket is safely and efficiently operated.

The utility model relates to the technical field of operation machinery, and discloses a mud guard and a wheel type operation machine. The fender comprises a fender body and an installation structure, the fender body is arranged to be in an arc shape matched with the outer contour of a wheel, the installation structure comprises an installation support and at least one connecting rod, the installation support is suitable for being installed on an axle, one end of the connecting rod is connected with the installation support, and the other end of the connecting rod is connected with the fender body. The fender body is suitable for being supported and arranged above the wheel in a covering mode. The fender body is arranged to be in the arc shape matched with the outer contour of the wheel, the fender body wraps the wheel along the outer contour of the wheel, the effect that the fender body wraps the wheel is good, and the mud blocking effect of the fender body can be improved. Meanwhile, the mounting bracket is mounted on the axle, so that the mudguard body can flexibly move along with the steering of the wheels, and the mudguard effect of the mudguard body on the steering of the wheels can be effectively improved.

The present invention discloses a suspension sling for large-angle hoisting construction of concrete box girders and a method for using the suspension sling, the suspension sling comprises a crossbeam, each of which is provided with a lifting ear at both ends in the length direction; a threaded steel bar, which is horizontally fixed above the main beam of the box girder and is threadedly connected to the crossbeam, and the threaded steel bar vertically penetrates the crossbeam; a pair of push blocks, which are respectively arranged on both sides of the width direction of the main beam; wherein a groove for accommodating the push block is arranged on the side of the lifting ear opposite to the push block, and during the hoisting process, the push block is placed in the groove so that the push block and the lifting ear are linked. The lifting ear position of the suspension sling provided by the present invention is adjustable, and can be used for hoisting concrete box girders with large deflection angles, and the spacing between a pair of lifting ears is adjustable, and can be applied to box girders of different sizes.

This utility model discloses a black key for an electric piano and an electric piano, relating to the technical field of electric pianos. It is used to mount on a keyboard base and includes a key body and an outer cover. The key body includes a mounting base for connecting to the keyboard base, with a protrusion at the upper end of the mounting base. The outer cover is made of a translucent material and has an open bottom. The outer cover is fitted onto the protrusion. Through the cooperation of the outer cover and the key body, a jelly-like visual effect is produced, unlike existing technologies where the effect is directly derived from the keys themselves. This not only creates a more realistic visual effect but also eliminates the need to disassemble the entire electric piano when these keys with special visual effects show signs of aging such as yellowing after prolonged use, making maintenance convenient.

The utility model discloses a kind of sodium ion battery processing electrolyte filling mechanism, including workbench and liquid storage tank, the upper surface of the liquid storage tank is fixedly installed on workbench, the upper surface of the liquid storage tank is connected with liquid inlet pipe, the upper surface of the workbench is fixedly installed with liquid pump, the water inlet of the liquid pump is fixedly installed with liquid suction pipe, the bottom end of the liquid suction pipe is connected with the bottom of liquid storage tank, the water outlet of the liquid pump is fixedly installed with liquid pipe.The utility model, by being set up the cooperation of workbench, liquid storage tank, liquid pump, liquid suction pipe, liquid pipe, valve, extension pipe, liquid storage grid, liquid outlet pipe and liquid outlet head component, the function of replacing liquid outlet head quickly and conveniently is realized, the installation mode of the liquid outlet head in existing device is improved, so that when liquid outlet head is blocked or damaged, liquid outlet head can be quickly replaced, the processing efficiency of sodium ion battery is improved.

The utility model relates to the field of light source structures, and discloses a linear light source device and a visual inspection device, which comprise a linear light source body and a dimming assembly pivoted with the linear light source body, the dimming assembly comprises a first side plate and a second side plate which are arranged in a spaced mode, the side face, close to the second side plate, of the first side plate is a first total reflection face, and the side face, close to the first side plate, of the second side plate is a second total reflection face. The linear light source body is provided with a strip-shaped light outlet, the strip-shaped light outlet is located between the first total reflection face and the second total reflection face, and the rotation angle of the dimming assembly is adjustable. According to the linear light source device, the light emitting direction can be changed without integrally rotating the linear light source body, and the linear light source device can be installed at a narrower position.

The utility model discloses a kind of stacked energy storage battery systems, comprising: base, the at least one side of base is provided with first fixing part, first fixing part and support surface are connected fixed, the first side of base is provided with first mounting hole;Battery box, battery box has at least two, stacked on base, the first side of battery box is provided with first mounting hole;Connecting piece, connecting piece is equipped with at least two first connecting hole, pass through first connecting hole respectively by connecting piece, and insert the first mounting hole of base, the first mounting hole of battery box, to connect and fix battery box and base with;Between two adjacent stacked battery boxes are connected and fixed by connecting piece;Electric control assembly, electric control assembly and battery box are electrically connected.By the above technical solution, battery box and electric control assembly are stacked on base, and adjacent base, battery box and electric control assembly are connected and fixed by connecting piece, to avoid stacked battery box and electric control assembly to dump.

The utility model discloses an integrated electric energy meter module plug connector convenient to install, and belongs to the technical field of plug connectors, the integrated electric energy meter module plug connector convenient to install comprises a fixing plate and a plug board, fixing strips are symmetrically and fixedly installed on the sides of the fixing plate, sliding grooves are longitudinally formed in the side walls of the fixing strips, two sliding blocks are fixedly installed on the side wall of the plug board, and the two sliding blocks are fixedly installed on the side wall of the plug board. The sliding blocks are clamped into the sliding grooves in a sliding mode. A mounting hole is formed in the inner wall of the fixing strip, a spring is fixedly mounted on the inner wall of the mounting hole, a pull rod is slidably inserted into the mounting hole, the inner wall of the tail end of the spring is fixedly connected to the outer wall of the pull rod, a clamping plate is fixedly mounted at the tail end of the pull rod, and the clamping plate slidably extends into the sliding groove; a clamping groove is formed in the side wall of the sliding block, and the clamping plate is matched with the clamping groove. Compared with the prior art, the device can conveniently and rapidly install the integrated electric energy meter module, and meanwhile, the installation stability of the integrated electric energy meter module is further improved.

The invention discloses a wind-resistant low-altitude overhead insulated conductor, and relates to the technical field of overhead conductors, and the wind-resistant low-altitude overhead insulated conductor comprises a core body, the surface of the core body is sleeved with a shielding layer, the surface of the shielding layer is wrapped with an inner insulating layer in an extrusion molding manner, the outer side of the inner insulating layer is sleeved with an outer insulating layer, and the outer side of the outer insulating layer is provided with a wind-resistant protection mechanism. The wind-resistant protection mechanism comprises a protection rubber layer, the protection rubber layer is used for wrapping and protecting the surface of the wire, so that the wire is prevented from being damaged by external foreign matters, the reinforcing steel wires improve the overall tensile and anti-breaking strength of the wire, the condition that the surface of the wire is cracked and damaged or fractured after long-time use is prevented, and the service life of the wire is prolonged. And the stability and the wind resistance of the wire during overhead use are improved, and the wire is prevented from being damaged due to large-amplitude shaking after being blown by wind.

The utility model relates to the technical field of building construction, and provides an elevator shaft structure which comprises a wall body, a well mouth is arranged on the wall body, a protection assembly used for preventing personnel or articles from falling into an elevator shaft is arranged at the position of the well mouth, the protection assembly comprises a first protection plate and a second protection plate, and the first protection plate is in sliding connection with the second protection plate. The protection assembly is provided with a connecting assembly used for being connected with a wall. The connecting assembly comprises a plurality of connecting rods, the connecting rods are located on the two sides of the first protection plate and the second protection plate respectively, one end of each connecting rod is in sliding connection with the first protection plate and the second protection plate, the other end of each connecting rod is provided with a connecting block, and the connecting rods correspond to the connecting blocks one to one and are fixedly connected with the connecting blocks. And a fixing assembly for fixing a wall body is arranged on the connecting block. By means of the technical scheme, the problems that in the prior art, the height of an elevator shaft protective door cannot be adjusted, and mounting and dismounting are very tedious are solved.

The invention discloses a subway line settlement monitoring device which comprises a static force level gauge and a base, a sliding groove is horizontally formed in the base, the two ends of the sliding groove penetrate through the side wall of the base, a mounting plate is slidably connected into the sliding groove and comprises two plate bodies, one sides of the two plate bodies are hinged to each other, fixing holes are formed in the plate bodies, and an inserting column is vertically slidably connected to the base. The bottom end of the inserting column is arranged in a conical shape, the plate body is provided with the penetrating groove allowing the inserting column to penetrate through, the penetrating groove is matched with the inserting column, good installation and fixation in different installation scenes can be achieved, the installation convenience and universality of the static force level gauge are effectively improved, and the alarm module is arranged in the static force level gauge. When the settlement amount is monitored to be abnormal, an early warning signal can be sent out in time, the settlement disaster prevention and control capacity is improved, and subway operation safety is guaranteed.

The invention discloses a mobile fire-fighting device for a photovoltaic booster station and a use method of the mobile fire-fighting device, and belongs to the technical field of photovoltaic booster station fire fighting. A mobile device for controlling a box body to move is arranged below the box body, and a fire-fighting bracket for placing fire-fighting equipment is arranged in the box body; a fixing mechanism used for fixing fire-fighting equipment is arranged at the bottom of the fire-fighting support, a second supporting plate is arranged between the bottom of the fire-fighting support and the fire-fighting equipment, a fixing plate is hinged to the outside of the fire-fighting support, a second spring is arranged between the fixing plate and the fire-fighting support, and a control rope is arranged between the fire-fighting support and the fixing plate. The fixing mechanism is automatically adjusted through gravity sensing, a second supporting plate is controlled to move downwards through the gravity of the fire-fighting equipment, then the fire-fighting equipment is clamped and fixed through a fixing plate under the action of a control rope and a second spring, and due to the design, the operation process is simplified, the fixing effect is improved, and the practicability is high. And the stability of fire-fighting equipment in the transportation and fire extinguishing process is ensured.

The utility model discloses an assembly type steel structure building ALC inner wallboard installation device which comprises a steel pipe supporting frame, a winch and a pulley. A winch is installed at the upper end of the inner side of the steel pipe supporting frame, a fixed pulley is arranged at the top of the supporting frame, a rubber pad is connected to the bottom of the outer side of the supporting frame to prevent collision in the hoisting process, a steel plate is welded to the first-layer transverse rod, configuration is arranged on the steel plate, and meanwhile four universal wheels with brakes are arranged at the four corners of the bottom of the steel pipe supporting frame. Compared with an existing common wallboard installation device, the assembly type building ALC inner wallboard installation device has the advantages of being convenient and rapid in material obtaining, safe, efficient, high in stability, capable of being operated by a single person and the like, meanwhile, the device can be moved conveniently through the universal wheels with brakes, and safety of the device and personnel is kept in the using process.

The utility model discloses an automatic clamping mechanism for a secondary power supply and belongs to the technical field of secondary power supplies. Comprising a supporting shell assembly, a base plate, an anti-falling frame and a deformation claw. An anti-falling frame is fixed to the inner ring of the supporting shell assembly; the anti-falling frame is of a frame-shaped structure, a deformation claw is arranged at the front end of the anti-falling frame, and a base plate is arranged at the rear end of the anti-falling frame. According to the utility model, through the arrangement of the substrate and the deformation claw, the positioning is simple and easy to operate, the deformation claw stretches inwards to clamp the two power supply modules after being heated, the disassembly yield of the secondary power supply is improved, the damage to equipment and products is not generated, and mechanical stress is not generated; the arrangement of the buckle is greatly simplified, and the maintenance efficiency of the secondary power supply is improved; the rapid maintenance device is simple in structure, rapid maintenance can be achieved, the installation mode between the rapid maintenance device and equipment is very convenient, and rapid maintenance and replacement of various products can be achieved.

The utility model relates to an elastic sheet type connecting structure. Belongs to the technical field of low-voltage new energy batteries. The utility model mainly solves the problems that the cleanliness exceeds the standard when a screw is locked on an end plate of a conventional wire harness connecting end side plate and a negative electrode of a battery, the wire is easy to press during assembly, and the requirement on an operation space is increased. The device is mainly characterized in that the device is composed of an elastic piece installed on the upper portion of a circuit board assembly, and communication between the elastic piece and the circuit board assembly is achieved; the elastic piece is composed of an installation fixing face at one end, an elastic deformation area in the middle and an installation supporting face at the other end, and the installation fixing face is parallel to the installation supporting face. The utility model has the characteristics that the connection between the elastic sheet and the end plate can be realized along with the assembly of a product, the assembly difficulty of battery structural components is reduced, the production efficiency is improved, the quality qualification rate is improved and the product cost is reduced, and is mainly used for the conduction between the end side plate in the battery and the outside.

The utility model relates to a multifunctional cosmetic mirror, and relates to the technical field of cosmetic mirrors, the multifunctional cosmetic mirror comprises a fixing seat placed on a table top, a mirror body and a supporting shaft used for connecting the fixing seat and the mirror body, and the supporting shaft is detachably provided with a storage assembly used for storing cosmetics. The storage assembly comprises an installation rod piece detachably installed on the supporting shaft and a storage piece installed on the installation rod piece and used for containing objects, and the storage piece is provided with a storage cavity used for containing the objects. The practicability of the cosmetic mirror can be improved, and the application range of the cosmetic mirror is widened.

The invention relates to the technical field of drainage engineering, and discloses a water-drop well-drop structure of a canal branch convergence area, which comprises a well chamber, a partition plate is fixedly connected in the well chamber, a mounting plate is fixedly connected to the upper side of the exterior of the partition plate, a filter screen is detachably connected to the inner side of the mounting plate, and a plurality of buffer plates are mounted on the outer surface of the well chamber. A plurality of buffer blocks are fixedly connected to the outer surface of the buffer plate, two movable columns are rotatably connected to the top of the buffer plate, a fixed column is slidably connected to the outer surface of each movable column, a mounting cavity is formed in each fixed column, a tension spring is fixedly connected to the interior of each mounting cavity, and an anti-blocking assembly is mounted on the outer surface of the filter screen. By additionally arranging the buffer assembly, the speed and impact force of water flow can be effectively reduced, so that damage to river banks and water ecology is reduced, vegetation and biological habitats around a water area are protected, and the ecological balance of the water area is maintained.