35results about How to "Reduce swing frequency" patented technology

The invention relates to a cutting machine of fodder for giant salamanders. The cutting machine comprises a machine frame, a first cutting mechanism and a driving mechanism. The machine frame is arranged close to an extrusion opening of a fodder hot-extrusion machine; the first cutting mechanism comprises a rotating shaft and a push rod, the rotating shaft is coaxially and fixedly connected with arotating disc, and the eccentric position of the rotating disc is fixedly connected with a supporting column; the lower portion of the push rod is rotatably connected to the machine frame, a slidinggroove is formed in the upper portion of the push rod in the length direction of the push rod, and the supporting column is slidably connected into the sliding groove; the bottom end of the push rod is fixedly connected with a sector gear, the sector gear is engaged with a rack, the rack is slidably connected to the machine frame, and cutting knife sets used for cutting the fodder are arranged atthe end of the rack; and the driving mechanism comprises a supporting plate rotatably connected to the machine frame, a swing rod is fixedly connected to the supporting plate, the two ends of the supporting plate are rotatably connected with a driving gear and a notched gear correspondingly, the rotating shaft is coaxially and fixedly connected with a rotating gear, and both the driving gear and the notched gear are engaged with the rotating gear intermittently. The cutting machine can cut the fodder in different lengths.

The invention discloses a secondary reheat boiler and a steam temperature regulating method. Through the method that high-temperature flue gas of an outlet of a furnace is directly introduced into a flue of the tail part of the boiler and then low-temperature reheat steam is heated, the temperature control accuracy and temperature regulating sensitivity of the reheat steam can be effectively improved, and that is, the secondary reheat steam temperature is regulated by regulating the flow rate of the flue gas entering the tail flue. Due to great thermal inertia of the secondary reheat boiler, in order to satisfy temperature stability control of the reheat steam in the fast variable load transient process, the flue gas at the high temperature can be directly introduced into the flue of the tail part of boiler, and then fast regulating of the reheat steam temperature is realized. According to the steam temperature regulating method, the quality of reheat steam parameters is effectively improved, the control precision of the reheat steam parameters can be improved, and the current situation of long control cycle and frequent fluctuation of the secondary reheat steam is improved; and frequent swing of the swinging angle of a burner (or frequent swing of a baffle of the tail part of the boiler) can be reduced by changing the flow rate of the flue gas entering the tail part, and thengreat significance is achieved for stable combustion in the boiler.

The invention belongs to the technical field of unmanned boat applications, and particularly relates to an underwater mine detection control system and underwater mine detection method by cooperationof an unmanned boat and a robot fish. The underwater mine detection control system by the cooperation of the unmanned boat and the robot fish comprises a central controller disposed on the unmanned boat and a power supply module, a data acquisition module, a remote operation platform and a robotic fish school module connected to the central controller; the data acquisition module collects relevantsignals of the boat body and transmits to the remote operation platform through the central controller; the remote operation platform receives and displays the signals; the remote operation platformissues an instruction to the central controller, and the central controller receives the instruction and issues an underwater mine detection instruction to the robotic fish school module; and the robotic fish school module receives the instruction and wirelessly transmits a test result signal to the remote operation platform through the central controller. The invention takes an unmanned boat as acarrier, takes a robot fish as a measuring body, breaks through the limitation of the sea area, and improves the safety of the underwater mine detection; and each robot fish is divided into differentdetection areas to perform underwater mine detection at the same time, therefore, the efficiency of underwater mine detection is improved.

The invention discloses a floating aquaculture feeding device which comprises a bearing plate. A floating box is embedded in the lower end of the bearing plate, a starting assembly is arranged in thefloating box, a balancing assembly is arranged in the floating box, one end of the balancing assembly is in transmission connection with one end of the starting assembly, a navigation starting assembly is fixedly installed at the lower end of the floating box, one end of the navigation starting assembly is in transmission and rotation connection with one end of the balancing assembly, and a storage box is fixedly installed at the upper end of the bearing plate. Through the arrangement of a material scattering mechanism, an auxiliary recycling mechanism, the starting assembly, the balancing assembly, the navigation starting assembly, a reverse flow preventing assembly and a wind energy assembly, navigation and feeding treatment of the whole device is achieved through driving of one motor, and the stability of the whole device is further improved; and the situation that accurate feeding cannot be achieved due to uncertain fluctuation in the feeding process of the device is avoided, and wind power resources can be utilized for garbage recycling and environment purification treatment of the aquaculture water area.

The invention relates to the technical field of bicycles and discloses a rear derailleur which comprises a derailleur assembly and a chain tensioning assembly hinged to the derailleur assembly. The chain tensioning assembly comprises a base and a swing arm hinged to the base. A one-way damping mechanism and a reset torsional spring are arranged between the swing arm and the base, the one-way damping mechanism comprises a one-way bearing, a damping sleeve and an elastic hoop, the damping sleeve is fixed to the base, the one-way bearing is arranged in the damping sleeve, and the elastic hoop isarranged on the damping sleeve in a sleeving mode and enables the damping sleeve to be pressed on the one-way bearing. The invention designs a rear derailleur with a one-way damping function. When theswing arm rotates in one direction, no damping force exists, when the swing arm rotates in the other direction, the damping effect is achieved, it is guaranteed that enough tensioning force is provided for the tensioning wheel, meanwhile, rotation of the swing arm in the chain disengaging direction is limited, and the problem that a chain is prone to falling off when a vehicle runs on a bumpy road surface is solved.

The invention belongs to the technical field of rice special fertilizer production, particularly relates to a filtering device for producing a special rice fertilizer, and provides the following scheme that the filtering device comprises a bottom plate and a fixing frame. By arranging a buffer reciprocating assembly, when the special fertilizer is filtered, the special fertilizer is guided into a limiting frame, a vibration motor is started, the vibration motor drives a first filter screen and a second filter screen to vibrate at high frequency, and under reciprocating buffering of reciprocating springs, the special fertilizer located on a first buffer plate and a second buffer plate is subjected to lowest vibration damage, and meanwhile, after the special fertilizer is poured into the limiting frame, the special fertilizer impacts the first buffer plate and the second buffer plate, and the reciprocating elastic potential energy of the reciprocating springs drives the special fertilizer on the first buffer plate and the second buffer plate to continuously reciprocate, so that the filtering effect is further improved; and the first buffer plate and the second buffer plate are guided by filter holes in the first filter screen and the second filter screen, so that the filtering speed is increased.

The invention discloses a hoist fastening tool. The hoist fastening tool comprises a cross rod and two supporting arms. A hanging plate is installed at the bottom of the cross rod. A connecting hole and a through hole are formed in the hanging plate, the connecting hole communicates with the through hole, and the axis of the connecting hole is perpendicular to the axis of the through hole. The lower section of an adjustment rod movably penetrates through the cross rod and the through hole in sequence and extends into the connecting hole. A thread is arranged on the outer wall of the lower section of the adjustment rod. The adjustment rod is in thread fit with the cross rod. A pressing block is connected to the end of the lower section of the adjustment rod through a universal joint. An upper hook and the hanging plate are made to form a whole through the downward movement of the adjustment rod and the pressing of the upper hook by the pressing block, and the swing frequency and the swing amplitude of a carrying stand are reduced; meanwhile, the swing movement tendency of the carrying stand is counteracted by means of the self weight of the carrying stand and the self weight of a building material in the lifting process, so that stable rising of the carrying stand and the building material is guaranteed; and furthermore, the situation that in the lifting process, the carrying stand collides with a local part of a lifting opening or a building near the lifting opening is prevented.

The invention discloses a U-shaped capsule concave-convex coupling type outer windshield and a railway vehicle. The outer windshield comprises a front windshield, a rear windshield, a front mounting base and a rear mounting base, wherein the front windshield is connected to the front mounting base, the rear windshield is connected to the rear mounting base, The U-shaped capsule structures of the front windshield and the rear windshield are each provided with straight wall parts which are symmetrical left and right and an arc-shaped part located between the tops of the straight wall parts; eachstraight wall part comprises a bottom with the thickness gradually decreased, a middle with the unchanged thickness and a top with the side thickness gradually decreased from the inner side degree; the arc-shaped part of the front windshield comprises a first arc-shaped front end and an arc-shaped boss section; and the arc-shaped boss section of the front windshield makes contact with the arc-shaped concave table section of the rear windshield in a concave-convex coupling mode. The outer windshield can realize smooth connection of adjacent vehicle body end walls, improve the lateral deformation rigidity of the outer windshield, reduce the vibration of the windshield, reduce the driving resistance of a vehicle, reduce the cabin noise of a passenger car and prolong the service life of a product.

The invention discloses a pointer rotameter, which comprises a tapered tube gradually enlarged from bottom to top, a rotor and a pointer assembly which are placed in the tapered tube and can move freely up and down along the center line of the tube, and a damping device. The damping device is installed under the dial of the pointer and is integrated with the dial. The damping device includes a frame composed of two metal plates and connectors, and a magnetic steel that is attracted to the inside of the two metal plates. There is a gap between the magnetic steels , forming a closed magnetic field, and the counterweight in the pointer assembly can swing freely in this gap. The structure of the invention is reasonable, which can improve the use effect of the flowmeter, greatly reduce the frequency and amplitude of the pointer swing, make the pointer indication stable, and the scale Value reading becomes easy and reading accuracy improves.

The invention relates to the technical field of automobile parts, and discloses a centrifugal pendulum. The centrifugal pendulum comprises a base disc and pendulum units arranged on the base disc, thebase disc is provided with swing guide holes formed in the circumferential direction of the base disc, and each pendulum unit comprises a guide block arranged in each swing guide hole; guide notchesare formed between the adjacent circumferential side walls, away from the center of the base disc, of the guide blocks and the swing guide holes, and each guide notch comprises an outer guide notch and an inner guide notch; and arc transition areas gradually contracting towards the center of the base disc are arranged at the two corners, away from the circumferential side wall of the center of thebase disc, of the swing guide holes, the outlines of the outer guide notches and the outlines of the inner guide notches are formed by fitting a plurality of continuous arc curves, and the two tail end sections of each outline gradually contract. According to the centrifugal pendulum, the shapes of the swing guide holes are optimized, and the movement paths of the guide blocks are adjusted through the outlines of the tail ends of the guide notches, so that corner stress concentration of the swing guide holes is relieved, and the fatigue resistance of the centrifugal pendulum can be effectively improved.

The present application provides a data reading method and apparatus based on a RAID disk array. The method comprises: determining target logical partitions corresponding to to-be-read video data, wherein the number of the target logical partitions is M, M is a natural number that is greater than 1 and is not greater than S, S is the total number of logical partitions included in a RAID disk array, and S is not less than 2; assigning the target logical partitions to each mirror group; and reading video data in the assigned target logical partition on a member disk of each mirror group. Application of the method can improve data reading efficiency during multi-channel video playback in a video surveillance application scenario.

The invention discloses equipment used for catalytic combustion of waste gas and capable of recycling energy, belonging to the technical field of waste gas treatment. The equipment comprises a base, wherein a box is fixedly connected to the top of the base, a gas inlet pipe is fixedly connected to the middle of the bottom of the box, an activation mechanism is fixedly connected to the top of the box, the activation mechanism comprises a fixed wall, the surface of the fixed wall is fixedly connected with the surface of the box body, the top of the fixed wall is fixedly connected with a rubber wall, the bottom of the inner side face of the fixed wall is fixedly connected with an air cylinder, the inner side face of the air cylinder is slidably connected with a push rod, and the top end of the push rod is fixedly connected with an air inlet valve. According to the equipment used for catalytic combustion of waste gas and capable of recycling energy, the catalytic mechanism, the activation mechanism, an irregular mechanism, a damping mechanism and other mechanisms are used in cooperation, and the problem of how to improve the use efficiency of a catalyst by changing the motion state of the catalyst and the problem that the surface of a catalyst is carbonized and inactivated due to long-time use in the prior art are solved.

The invention discloses a pointer rotameter, which comprises a tapered tube gradually enlarged from bottom to top, a rotor and a pointer assembly which are placed in the tapered tube and can move freely up and down along the center line of the tube, and a damping device. The damping device is installed under the dial of the pointer and is integrated with the dial. The damping device includes a frame composed of two metal plates and connectors, and a magnetic steel that is attracted to the inside of the two metal plates. There is a gap between the magnetic steels , forming a closed magnetic field, and the counterweight in the pointer assembly can swing freely in this gap. The structure of the invention is reasonable, which can improve the use effect of the flowmeter, greatly reduce the frequency and amplitude of the pointer swing, make the pointer indication stable, and the scale Value reading becomes easy and reading accuracy improves.

The variable compression ratio miniature pendulum internal combustion engine relates to a miniature heat engine capable of providing power for portable power supply system. Said invention mainly comprises six plane components of output shaft, cylinder body which is arranged perpendicularly to the outupt shaft and is equipped with a central pendulum in its interior, front cylinder cover, back cylinder cover, front end cap, back end cap and flute valve, the interior of the described cylinder body possesses upper and lower two volume-different sectorial cavities which can be divided into variable volume two combustion chambers and two precompression chambers by means of the central pendulum, finally it can make output shaft output power in swing mode.

The invention provides self-adjusting vehicle-mounted equipment based on gear differential transmission, and relates to the technical field of vehicle windscreen wipers. The self-adjusting vehicle-mounted equipment based on gear differential transmission comprises a vehicle window, a swing rod is rotatably connected to the bottom of the vehicle window, a mounting rod is rotatably connected to therear end of the top of the swing rod, a cleaning strip is fixedly connected to the rear end of the mounting rod through a limiting strip, a notch is formed in the side, close to the vehicle window, ofthe cleaning strip, and a sliding block is slidably connected to the periphery of the bottom of the swing rod. After shift selection,, swing frequency of the windscreen wiper is reduced in case of small rainfall and the rainfall is large, the swing frequency of the windscreen wiper is increased, so that the practicability of the windscreen wiper is improved, it is guaranteed that the cleaning strips can comprehensively clean a vehicle window, meanwhile, windshield washer fluid can better stay between the cleaning strips, the moistening effect of the windshield washer fluid on the cleaning strips is improved, and waste of the windshield washer fluid is reduced.

The invention discloses surgical instrument storage equipment which structurally comprises a storage box, heat dissipation pages, a display screen, a controller and an equipment box, the storage box is integrally connected with the interior of the equipment box in an embedded mode, the left side of the equipment box is integrally fixed to the heat dissipation pages through bolts, the surface of the equipment box is integrally connected with the display screen in an embedded mode, and the right side of the display screen is in integral clearance fit with the controller. According to the surgical instrument set fixing device, a surgical instrument set fixed to an anti-moving rod is buffered through a buffer table on a fixing base, so that after the buffer table is pressed, the buffer table buffers the pressure of a pressure reduction base at the lower end, and the surgical instrument set is fixed to the anti-moving rod; and after the gravity is balanced, the elastic part strips are buffered in cooperation with reset rings in the elastic part strips, and the problem that the service life of the surgical instruments is shortened due to friction of the internal instruments caused by inclination of the surgical instrument bag when the surgical instrument bag is stored in the storage equipment is effectively solved.

The invention discloses a large hair brush and chopping knife transmission mechanism. The large hair brush and chopping knife transmission mechanism is characterized in that a central hole of a belt pulley of a cover plate is arranged on a rotating shaft (3); a driving belt pulley (2) of a large hair brush is arranged on a screw hole of the belt pulley (1) of the cover plate through a bolt; the lower end of a supporting arm of a deflector rod (13) is arranged and fixed on a shaft (4); one end of a chopping knife arm (5) is sleeved on the shaft (4); the other end of the chopping knife arm (5) is provided with a chopping knife (11); a bearing rod (6) is fixed on the chopping knife arm (5); a driven belt pulley (10) of the large hair brush with an eccentric wheel (9) is fixed on a fixed shaft; and O-shaped belts are crossingly sleeved on the driving belt pulley and the driven belt pulley of the large hair brush. The large hair brush and chopping knife transmission mechanism reduces the wearing speed of equipment and the swinging frequency of the chopping knife, uses the driven belt pulley of the large hair brush to replace the belt pulley of the large hair brush and a gear box of the prior equipment, has a simple structure and low cost, reduces the production cost for enterprises and also relieves the labor intensity of laborers.

The invention relates to a nasal cavity nursing spray. According to the nasal cavity nursing spray, one or more of xyloglucan and tamarind gum are adopted as effective components playing a physical barrier role, allergens can be effectively blocked, meanwhile, the swing frequency of cilia is not affected, no obvious adhesion feeling exists in the nasal cavity in the using process, the comfort is high, and the nasal cavity nursing spray is suitable for being used in the nasal cavity. Meanwhile, the nasal cavity nursing spray disclosed by the invention can also contain sodium cromoglycate as an anti-allergic reaction medicine, can inhibit the adverse reaction of an allergic reaction medium to tissues, has good prevention and treatment effects on quick-onset and delayed-onset allergic reactions, and can have a good prevention effect on allergic rhinitis when being used together with a blocking agent. The invention also relates to a preparation method and application of the nasal cavity nursing spray.

The invention relates to a floating satellite relay antenna. The floating satellite relay antenna comprises a floating assembly and signal processing equipment, wherein the floating assembly comprises a floating ball mechanism and an exhausting mechanism; the floating ball mechanism comprises a main floating air ball and balance balls fixed around the main floating air ball in an annular array; the floating assembly further comprises a balancer, the balancer comprises a connecting seat for fixing the signal processing equipment, an annular exhaust groove is coaxially formed in the connecting seat, an opening of the exhaust groove is at the back of the floating ball mechanism, the balance balls are connected onto the exhaust groove through pressure relief hoses, a fixed rod is further arranged on the connecting seat, the tail end of the fixed rod is sharp, the signal processing equipment is arranged on the fixed rod, the signal processing equipment comprises an annular shell, a plurality of air guide plates are arranged on the shell in the annular array, the signal processing equipment of the relay antenna is mounted inside the shell, and an antenna connecting line of the signal processing equipment is connected onto the air guide plates.

The invention relates to a cutting machine of fodder for giant salamanders. The cutting machine comprises a machine frame, a first cutting mechanism and a driving mechanism. The machine frame is arranged close to an extrusion opening of a fodder hot-extrusion machine; the first cutting mechanism comprises a rotating shaft and a push rod, the rotating shaft is coaxially and fixedly connected with arotating disc, and the eccentric position of the rotating disc is fixedly connected with a supporting column; the lower portion of the push rod is rotatably connected to the machine frame, a slidinggroove is formed in the upper portion of the push rod in the length direction of the push rod, and the supporting column is slidably connected into the sliding groove; the bottom end of the push rod is fixedly connected with a sector gear, the sector gear is engaged with a rack, the rack is slidably connected to the machine frame, and cutting knife sets used for cutting the fodder are arranged atthe end of the rack; and the driving mechanism comprises a supporting plate rotatably connected to the machine frame, a swing rod is fixedly connected to the supporting plate, the two ends of the supporting plate are rotatably connected with a driving gear and a notched gear correspondingly, the rotating shaft is coaxially and fixedly connected with a rotating gear, and both the driving gear and the notched gear are engaged with the rotating gear intermittently. The cutting machine can cut the fodder in different lengths.

The invention discloses a large hair brush and chopping knife transmission mechanism. The large hair brush and chopping knife transmission mechanism is characterized in that a central hole of a belt pulley of a cover plate is arranged on a rotating shaft (3); a driving belt pulley (2) of a large hair brush is arranged on a screw hole of the belt pulley (1) of the cover plate through a bolt; the lower end of a supporting arm of a deflector rod (13) is arranged and fixed on a shaft (4); one end of a chopping knife arm (5) is sleeved on the shaft (4); the other end of the chopping knife arm (5) is provided with a chopping knife (11); a bearing rod (6) is fixed on the chopping knife arm (5); a driven belt pulley (10) of the large hair brush with an eccentric wheel (9) is fixed on a fixed shaft; and O-shaped belts are crossingly sleeved on the driving belt pulley and the driven belt pulley of the large hair brush. The large hair brush and chopping knife transmission mechanism reduces the wearing speed of equipment and the swinging frequency of the chopping knife, uses the driven belt pulley of the large hair brush to replace the belt pulley of the large hair brush and a gear box of theprior equipment, has a simple structure and low cost, reduces the production cost for enterprises and also relieves the labor intensity of laborers.

The invention discloses an anti-explosion double-power telescopic arm type diesel engine concrete pump car. The anti-explosion double-power telescopic arm type diesel engine concrete pump car comprises a car head, wheels, a concrete roller, a car body frame and an unfolding arm frame; the car head is mounted and connected with the car body frame; the wheels are mounted on the car head and the carbody frame; the concrete roller is mounted on the car body frame; the unfolding arm frame is embedded in the car head and the car body frame; the unfolding arm frame consists of double extension arms,a middle frame, an outer frame and a clamping structure; when single arms extend, the double extension arms are of double arm structures; the middle frame achieves a fixation reinforcing effect; theclamping structure realizes auxiliary improvement of the transmission stability of the double extension arms; extension joints and plate embedding structures realize stable extension of the single arms, so that the stability and the safety of the whole equipment are effectively guaranteed during operation in weathers with higher wind power; transmission shaft rods are used for quickly unbuckling or locking the extension joints at abnormal times to further improve the safety; and the clamping structure realizes auxiliary improvement of the transmission stability of the double extension arms, and accelerates the extension moving speed of the double extension arms to achieve high operation efficiency.

The invention discloses a U-shaped capsule concave-convex coupling type outer windshield and a rail vehicle. The outer windshield includes a front windshield, a rear windshield, a front mounting seat and a rear mounting seat. The front windshield is connected to the front mounting seat. The rear windshield is connected to the rear mounting seat, and the U-shaped capsule shapes of the front windshield and the rear windshield both have left-right symmetrical straight wall parts and an arc-shaped part between the tops of the straight wall parts, and the straight wall parts include The thickness of the bottom portion decreases gradually, the thickness of the middle portion remains constant, and the top portion of the side thickness gradually decreases from the inner side. The arc portion of the front windshield includes a first arc-shaped front end and an arc-shaped boss section. The front windshield The arc-shaped convex platform section is in contact with the arc-shaped concave platform section of the rear windshield in a concave-convex coupling manner. The outer windshield can realize the smooth connection of the end walls of adjacent car bodies, improve the lateral deformation stiffness of the outer windshield, reduce the vibration of the windshield, reduce the driving resistance of the vehicle, reduce the noise of the passenger compartment, and increase the service life of the product.

The invention relates to an unmanned ship underwater archaeology control system and method based on bionic fishes. The system comprises an unmanned ship and a bionic fish, wherein the unmanned ship isprovided with a positioning system, a sonar, a control center, a bionic fish throwing and recycling device, a data arrangement module, a first communication module and a first storage module, and ismainly responsible for depth measurement and data fusion storage of an investigation target, and the bionic fish is provided with an inertial navigation system, a high-definition camera, a driving system, a control system, a data analysis module, a second communication module and a second storage module, and is mainly responsible for detection and data screening of the investigation target. According to the invention, the unmanned ship is used as a carrier, and the bionic fish is used as an underwater archaeology investigation target detection main body, so that the problems of limited sinkingdepth and limited underwater operation time can be effectively solved, the risk and personnel cost of underwater archaeology investigation work are reduced, the investigation range is enlarged, and the investigation efficiency is improved.

The invention discloses a high-altitude wind pressure resistance preventing vibration damper and an installation method thereof, and belongs to the technical field of vibration dampers. The high-altitude wind pressure resistance preventing vibration damper comprises a steel strand formed by twisting a plurality of steel strands, the two ends of the steel strand are fixed to a hammer head, the middle of the steel strand is sleeved with a fixed protection sleeve, and a chuck used for clamping a cable is welded to the middle of the protection sleeve; and a locking hole is formed in the symmetrical face, connected with the steel strand, of the hammer head, and a locking assembly used for assembling is inserted into the locking hole. According to the high-altitude wind pressure resistance preventing vibration damper and the mounting method thereof, in the rotating process of a locking inner rod inserted into a locking hole and a locking outer rod and a reinforcing rod, the locking outer rod and the reinforcing rod slowly make contact with an inserting rod, a gear and a rotating lead screw synchronously rotate, a locking sleeve is driven to ascend or descend along a groove position, the locking sleeve descends to be separated from the annular groove for unlocking, the gravity center of the balance weight ball always faces downwards, and the balance weight ball tends to be balanced, so that the swing frequency of the hammer head is reduced, the hammer head is confronted with wind resistance, and the high-altitude windproof purpose is achieved.

The invention discloses a raw material storage tank for food safety production. The raw material storage tank structurally comprises a tank body, a feed pipe, column feet and a discharge pipe, wherein the tank body is in flanged connection with the feed pipe, the column feet are welded to the lower portion of the tank body, and the discharge pipe is in flanged connection with the lower end of the tank body. According to a material blocking device, when the material blocking device is impacted by materials, the material blocking device can adapt to the impact force of the materials and cope with the impact at a proper angle, the phenomenon that the impact stress borne by the material blocking device is too large is avoided, the swing speed and frequency of a swing column are reduced, and the phenomenon that the material blocking device shakes back and forth to affect work of the material blocking device is avoided. According to the material blocking device, when the materials impact a material throwing disc, a disc body can rotate on the surface of a support, the materials between the disc body and a plurality of throwing strips can be evenly scattered outwards under the action of centrifugal force, cavity bubbles are prevented from being generated in liquid raw materials, the storage space of the tank body is increased, and the discharged raw materials are pure.

The invention belongs to the technical field of application of unmanned boats, and in particular relates to a mine detection control system and a mine detection method for cooperation between an unmanned boat and a robot fish. Power supply module, data acquisition module, remote operation platform and robotic fish school module; the data acquisition module collects relevant signals of the hull and transmits them to the remote operation platform through the central controller; the remote operation platform receives and displays signals; the remote operation platform controls the central The device sends out instructions, the central controller receives the instructions and sends mine detection instructions to the robotic fish swarm module, the robotic fish swarm module receives the instructions, and wirelessly transmits the detection result signal to the remote operation platform through the central controller. The invention uses the unmanned boat as the carrier and the robotic fish as the main body of measurement, breaks through the limitation of the sea area, and improves the safety of mine detection; divides each robotic fish into different detection areas, and performs mine detection at the same time, thereby improving the mine detection efficiency.

The invention discloses a Halloween costume flame effect display device. The device comprises a base, a support rod, a horizontal shaft, a flame simulating portion, counter weight magnets, an illuminating lamp bead and a battery; two vertical sheets are mutually attached together to form the flame simulating portion to simulate flames, and light rays emitted by the illuminating lamp bead provide illumination for the flame simulating portion after being reflected by a stainless steel plate, so that the flame simulating portion is illuminated; the flame simulating portion can swing along with vibration of the base or under blowing of wind, and then swinging of the flames can be simulated. Compared with a flame simulating device in the prior art, the Halloween costume flame effect display device is truer and can better set off the festive atmosphere of the Halloween by contrast.