88results about How to "Uniform impact force" patented technology

The method provided by the invention comprises the following steps: a machine body, a walking part, a lifting part, a reciprocating pounding part and the like are arranged; a pounding guide element and the like are arranged on a pounding guide device; pounding heads are arranged at two ends of the pounding guide element, so that a power pounding element drives the pounding guide element; the reciprocating pounding part is arranged on the lifting part; the lifting part is arranged on the machine body; and the walking part drives the machine body to move ahead and retreats so as not to turn the machine body to excavate and drop materials forward and backward. Equipment provided by the invention comprises the machine body, the walking part, the lifting part, the reciprocating pounding part and the like; the reciprocating pounding part comprises the pounding guide device, the pounding driving device and the like; the pounding heads are both arranged at two ends of the pounding guide element; the pounding driving device comprises the power pounding element and the like; the power pounding element drives the pounding guide element to move in a reciprocating mode; the pounding guide element drives the pounding heads to pound; the reciprocating pounding part is arranged on the lifting part; the lifting part is arranged on the machine body; the walking part drives the machine body to move ahead and retreat so as not to turn the machine body to excavate and drop materials forward and backward.

The invention provides a punching die, and belongs to the field of die equipment. The punching die is used for performing punching forming on multiple holes in a metal tube and comprises an upper die base, a lower die base, a die shank, a male die, a female die, guide columns and guide sleeves, wherein the male die is installed on the lower surface of the upper die base, and the female die is installed on the upper surface of the lower die base. The male die is provided with a plurality of punching parts arranged in the extension direction of the cavity of the female die at intervals. The punching die further comprises an inclined slider core-pulling mechanism. The inclined slider core-pulling mechanism comprises a core-pulling slider; the core-pulling slider is provided with a plurality of second forming holes and is pulled out of the cavity of the female die when the punching die is opened; when the punching die is assembled, the core-pulling slider is inserted into the cavity of the female die and enables the second forming holes to correspond to the punching parts in a one-to-one mode. When the punching die punches multiple holes, the metal tube is does not deform easily, the forming quality of the holes is high, the machining efficiency is improved, and the machining cost is reduced.

The invention discloses a pumping unit with a wide swing angle, which comprises a motor, a bracket, a connecting rod, a speed change mechanism, a lifting rope, a fixed pulley, a wellhead oil pumping device, a rocker arm, a rocker arm pillar and two crankshaft wheels, wherein one end of the rocker arm is movably connected on the rocker arm pillar, the other end of the rocker arm is connected with the lifting rope, the lifting rope is connected with the wellhead oil pumping device by the fixed pulley which is arranged on the bracket, the two crankshaft wheels are connected with the speed change mechanism, one end of the connecting rod is movably connected with the rocker arm, and the other end of the connecting rod is movably connected with the crankshaft wheels. According to the pumping unit disclosed by the invention, the speed change mechanism is matched with the crankshaft wheels to pump oil, so that a pumping unit can be started and the working of the pumping unit can be maintained by a motor with relatively small power, and the pumping speed and the stroke of the pumping unit can be conveniently regulated.

The invention discloses a shakeproof hammer reset device. The shakeproof hammer reset device comprises a reset body, a second impactor and a first impactor, wherein the second impactor and the first impactor are vertically arranged, a sleeve element is fixedly connected to the bottom surface of the reset body and is used for sleeving a traction object, at least two frames are arranged in parallel on the top surface of the reset body in a left-right way, each frame is connected with a moving assembly, an accommodating region is formed between the moving assembly and the reset body and is used for accommodating an overhead line, the right end of the first impactor and the right end of the second impactor are arranged in the same vertical plane, the frames are symmetrically arranged at the two sides of the same vertical plane jointly formed by the axial line of the sleeve element, the moving directions of the moving assemblies, the axial line of the first impactor, the axial line of the second impactor and the axial line of the overhead line, so that the impact forces from the shakeproof hammer reset device relative to the two sides of the overhead line are more uniform when a shakeproof hammer is reset, the overhead line is prevented from being damaged due to fierce friction with the shakeproof hammer, and the service lifetime of the overhead line is prolonged.

The invention discloses a construction method for a concrete diaphragm wall of a deep bedrock. The construction method for the concrete diaphragm wall of the deep bedrock comprises the step that when an ultra-wide pipeline incapable of being moved or modified exists, trough-forming construction is conducted on the trough section of the concrete diaphragm wall below the ultra-wide pipeline, specially, pipeline protectors are arranged around the ultra-wide pipeline so that the ultra-wide pipeline can be protected in a surrounded mode; soil below the ultra-wide pipeline is excavated out by a long-boom excavator; the rest of soil or rock below the ultra-wide pipeline is drilled through a nonequilibrium drilling method so that a trough can be formed in the concrete diaphragm wall below the ultra-wide pipeline; and three steel reinforcement cages are arranged in the trough, and one of the three steel reinforcement cages can be located under the ultra-wide pipeline. According to the construction method, the ultra-wide pipeline does not need to be moved or modified, the moving and modification cost is omitted, and the project progress is accelerated; a frictional drill bit is adopted for drilling hard bedrock, especially large-dip-angle steep rock, jamming of the drill bit during pore-forming is controlled, and the drilling efficiency is improved; and an intra-trough slurry circulating method is applied in the drilling process, the construction efficiency in the environment of deep hard rock is improved, and the trough forming quality is ensured.

The invention discloses a plate explosion device which can improve the speed of a flyer, which is provided with a dielectric liner (1) with a bottom sealing and with a density of 0.9 to 2g / cm <3>. The bottom sealing is provided with a central hole (3) with a diameter smaller than the flyer (2), the flyer is arranged on the central hole (3) and an explosive cylinder (4) is positioned on the flyer (2) and is connected with an internal wall of the dielectric liner (1). The height of the dielectric liner (1) is higher than the height of the explosive cylinder (4), namely, 30 to 140mm. An external diameter of the dielectric liner is 2 to 3 times bigger than the diameter of the explosive cylinder (4). The plate explosion device reduces the sparse effect of the explosion products to the surroundings, therefore enlarge the pressure to the flyer by the explosion products, as a result, the flying speed is accelerated and the pressure of the flyer reduces from the center to the outer edge. Therefore, the flyer keeps plate flying and the impact received by the powder is even, which guarantees the powder calcinations or compounding quality.

The invention discloses a spray device and cleaning equipment. The spray device comprises a working unit, a supply unit and a drive unit, and the working unit is used for rotationally spraying cleaning agent to clean a substrate to be cleaned; the supply unit is used for supplying cleaning agent for the working unit; the drive unit is used for supplying rotating power for the working unit. Through arranging the working unit capable of spraying rotationally, when the spray device sprays, the jet pressure of the cleaning agent is uniform, and accordingly the cleaning agent spray impact force on the surface of the substrate to be cleaned is uniform, and the badness caused by uneven spray pressure is avoided.

The invention discloses a composite material and a flexible rubber hose. The composite material comprises a lamellar flexibility main body layer, wherein the main body layer is internally provided with a skeleton; the skeleton is a weft-knitted fabric in a stereoscopic texture structure; the skeleton is arranged between the inner wall and the outer wall of the body of the flexible rubber hose; the skeleton is the weft-knitted fabric in a stereoscopic texture structure; through the setting of the weft-knitted fabric in the stereoscopic texture structure, the composite material (rubber hose) is integrally elastic and flexible.

The invention provides a high precision punching die, and belongs to the field of die equipment. The high precision punching die is used for punching molding of multiple holes in a metal pipe, the high precision punching die comprises an upper die base, a lower die base, a die handle, a male die, a female die, a guide column and a guide sleeve, the male die is installed on the lower surface of theupper die base, the female die is installed on the upper surface of the lower die base, the male die is provided with a plurality of punching parts, and the multiple punching parts are arranged at intervals in the extending direction of a cavity of the female die; the high precision punching die comprises an inclined sliding block core-pulling mechanism, the inclined sliding block core-pulling mechanism comprises a core-pulling sliding block, the core-pulling sliding block is provided with a plurality of second molding holes, and the cavity of the female die is pulled out when the high precision punching die is opened; and when the high precision punching die is closed, the core-pulling sliding block is inserted into the cavity of the female die, the multiple second molding holes correspond to the multiple punching parts in a one-to-one manner. When the high precision punching die is used for punching the multiple holes, the metal pipe is not prone to deformation, the hole molding quality is high, the machining efficiency is improved, and the machining cost is saved.

The invention discloses a dirt sucking device of an on-rail cleaning machine for an outer cover of a track transportation vehicle. The dirt sucking device comprises a suction nozzle body, a cleaning and brushing mechanism for cleaning the outer cover of the track transportation vehicle, and a centrifugal fan, wherein an opened suction nozzle opening is formed in one side surface which faces the vehicle, of the suction nozzle body, and other surfaces of the suction nozzle body are closed; a cavity is formed between the suction nozzle body and a position in front of a vehicle body of the vehicle; the outer edge of the suction nozzle opening is in profile modeling with the surface of the vehicle, and a gap b is formed between the outer edge of the suction nozzle opening and the surface of the vehicle; a dirt sucking opening is also formed in the suction nozzle body, and communicates with the centrifugal fan through a pipeline; and the cleaning and brushing mechanism is mounted in the cavity. According to the dirt sucking device disclosed by the invention, when the cleaning and brushing mechanism works, micro negative pressure is generated in the cavity through the sucking force of the centrifugal fan, so that water mist in the cavity does not overflow, and the boarding environment of a platform is effectively improved.

The invention discloses automatic material split packaging equipment, and belongs to the field of split packaging machinery. The equipment is characterized by comprising a frame body, a feeding hopper, a bucket conveyor and a weighing packaging assembly; an opening is formed in the rear end of the feeding hopper; the rear end of the feeding hopper or the position close to the rear end of the feeding hopper is hinged to the frame body; the front part of the feeding hopper is higher than the rear part of the feeding hopper; a supporting spring is arranged at the lower part of the front end of the feeding hopper; the bucket conveyor is located below the opening of the feeding hopper and comprises a drag chain, small hoppers, a head wheel, a tail wheel, ratchet wheels and a connecting plate; the head wheel and the tail wheel are arranged on the connecting plate through wheel shafts where the head wheel and the tail wheel are located correspondingly; the tail wheel is located below the rear part of the head wheel; the drag chain is wound around the head wheel and the tail wheel; the small hoppers are fixed on the periphery of the drag chain; and the axial side edge of the head wheel and the axial side edge of the tail wheel are fixedly connected to a first ratchet wheel and a second ratchet wheel correspondingly; a leaf spring is fixedly connected to the feeding hopper; and the weighing packaging assembly comprises a weighing device. Compared with the prior art, the equipment has the characteristic that split packaging can be convenient and accurate.

The invention relates to a sludge homogeneous slurrying and thermal hydrolysis reaction integrated device which comprises a tank body, a plurality of steam ports arranged on the tank body, and a first stirrer and a second stirrer which are arranged in the tank body; by arranging the plurality of steam ports on the tank body, the steam ports are used for introducing steam into the tank body, and thus a certain temperature and pressure are formed in the tank body; moreover, by rotation of the first stirrer and the second stirrer, a sludge material is subjected to rapid and uniform heat and mass transfer, same-speed or differential-speed stirring, same-direction or reverse-direction stirring and various combined stirring ways can be achieved, and shearing, wall scraping and other functions are achieved; in addition, with combination of a steady flow force of the steam, the sludge material is easy to turn over and / or easy to roll over in the tank body, and besides, under the action of the double stirrers, no dead corner exists, and the uniformity of slurrying and thermal hydrolysis reaction are further promoted.

The invention discloses a water wheel-shaped washdown type hydraulic turbine generator set. The water wheel-shaped washdown type hydraulic turbine generator set comprises a metal water wheel (1), a metal water wheel groove (2), a transmission case (3), a large capacity generator set (5) and a small capacity generator set (6), wherein the metal water wheel (1) is capable of rotating along a center rotary shaft (1a), the metal water wheel groove (2) leads water flow to the blades of a metal water wheel impeller (1b) of the metal water wheel, the transmission case (3) is connected to the outer end of the metal water wheel center rotary shaft, and the large capacity generator set (5) and the small capacity generator set (6) are connected to the two ends of an output shaft of the transmission case through a coupling (4) respectively. The water wheel-shaped washdown type hydraulic turbine generator set can efficiently use water energy, and the generating efficiency is high.

The invention relates to a height-limiting and anti-collision device for a bridge frame. The height-limiting and anti-collision device for the bridge frame is characterized in that a plurality of anti-collision mechanisms consisting of buffers 3 and collided members 4 are arranged on the outer side of the bridge frame 1 of a bridge, an anti-collision frame 2, a pedestrian branch bridge frame 6 and a bridge frame 71 of a pedestrian branch bridge 7; the anti-collision mechanisms are connected by arresting members 5 or arresting devices 5 to form the height-limiting and anti-collision device for the bridge frame. The beneficial effects of the height-limiting and anti-collision device for the bridge frame are that the collided members and the arresting members of the height-limiting and anti-collision device are arranged on the outer side of the bridge and the outer side of the bridge frame, the anti-collision frame, a pedestrian branch bridge frame, or the bridge frame of the pedestrian branch bridge, if a ship or a car collides with the collided members and the arresting members of the height-limiting and anti-collision device, the arresting members and the collided members are in a linkage so that the impact forces of the ship collision or the car collision tend to be balanced, the buffers are compressed to work by the collided members, the kinetic energy of an accident ship or an accident car is consumed, the speed of the ship or the car is reduced, and the ship or the car stops. The device effectively solves the purpose of protecting the ship collision and the car collision of the bridge frame.

A pressure releasing automatic reset air shaft anti-explosion cover relates to the field of ventilating safety of a coal mine and comprises a well lid arranged on a well mouth; at least two guide sleeves are connected to the outer peripheral edge of the well lid; a guide pillar is arranged in each guide sleeve in a penetrating mode; an elastic limiting block is arranged at the top end of each guide pillar; an upright pillar and a pressure releasing device are connected to the middle above the well lid; each pressure releasing device is respectively connected with a locking mechanism and comprises a pressure releasing drum; a cover door is hinged above each pressure releasing drum; an air spring is hinged into each pressure releasing drum; the telescopic end of each air spring is hinged to the inside of the corresponding cover door; the air springs are hinged onto the upright pillar; the telescopic end of each air spring is respectively hinged to the outside of the corresponding cover door; at least two hydraulic lifting machines are connected below the well lid; travel switches are connected onto the upright pillar; when being opened, each cover door makes contact with the corresponding travel switch and the hydraulic lifting machines are started to work. The pressure releasing automatic reset air shaft anti-explosion cover is safe and reliable.

The invention discloses quantitative automatic subpackaging equipment and belongs to the field of pharmaceutical machinery. The quantitative automatic subpackaging equipment is characterized by comprising a frame, a feed hopper, a turning wheel and a weighing and loading assembly; the periphery edge of the feed hopper is provided with hopper springs; a movable discharge port is arranged below the feed hopper; the lower end of the feed hopper is provided with a fixed rack fixedly connected with the feed hopper; the discharge port is in rigid connection with one end of a fixed rod; the other end of the fixed rod is hinged to the lower end of the fixed rack; an arc-shaped rod is provided with a series of leaf springs; the side, opposite to the discharge port, of the fixed rack is provided with a counter weight; a first collection hopper is arranged at the discharge port; the turning wheel is located below the arc-shaped rod; a series of blades are arranged on the periphery of the turning wheel; an opening of the lower end of the first collection hopper is located above the blades of the turning wheel; a second collection hopper is located below the first collection hopper. Compared with the prior art, the quantitative automatic subpackaging equipment has the characteristic that weighing is convenient and accurate.

The invention provides an ultrasonic wave saccule for cardiovascular system lithotripsy and a saccule duct system. The ultrasonic wave saccule comprises a saccule treatment end and a medicine applyinglayer, wherein the saccule treatment end is provided with an ultrasonic wave receiver and a plurality of monocrystal ultrasonic transducers; the monocrystal ultrasonic transducers are connected withthe ultrasonic generator and can produce ultrasonic waves through energy supplying of the ultrasonic generator; and the medicine applying layer is arranged on the surface of the saccule treatment end.According to the ultrasonic wave saccule disclosed by the invention, the ultrasonic generator is arranged in the saccule; under the impact of the ultrasonic waves, the disintegration of a medicine loading coating can be accelerated, so that the selection range of a carrier of the ultrasonic wave saccule can be wide, and even the carrier which is not liable to disintegrate is selected, the releasing of the medicine can also be completed in a short time.

The invention discloses a high-performance aluminum alloy material detection platform. The high-performance aluminum alloy material detection platform comprises a base and a control platform arrangedon the front surface of the base, wherein an impact mechanism, an aluminum alloy supporting device and a limiting device are sequentially arranged on the base; the impact mechanism comprises a mounting frame, a first sliding groove, a mounting beam, a pressing block and a CCD camera, the mounting frame is fixedly arranged at the edge position of the upper end of the base, and the first sliding groove is formed in the side surface of one end of the mounting frame in an embedded mode; and the mounting beam is connected into the first sliding groove in a sliding mode, and the lower end of the mounting beam is connected with the pressing block through a sliding groove in a sliding mode. According to the high-performance aluminum alloy material detection platform, compared with a traditional mode that a fixing ring and a bolt are used for locking and fixing, the arranged limiting device solves the problem that a detection result is not accurate due to the fact that the impact force detectedby a pressure sensor below a pipeline is smaller than actual impact force due to the fact that part of impact force borne by the pipeline can be transferred to the fixing ring after the fixing ring is used for locking the pipeline.

The invention relates to the field of nondestructive testing, and discloses a method for checking damage of a metal part and a device thereof. The metal part is provided with a flat surface, the metalpart is placed horizontally, a sphere which can freely fall onto the flat surface of the metal piece along a vertical path is arranged, and by collecting two reference values of a decibel value generated when the sphere touches the metal part and the number of times of the sphere touching the metal part, the two reference values are compared with the corresponding standard values. Manual beatingof a worker is replaced by impact on the flat surface of the metal part formed by using free falling body of the sphere, the strength of each initial impact is uniform, and interference of human factors is reduced. A sound sensor is used for measuring the sound and the number of times generated by impact, damage is identified compared with the standard values, and generation of situations of misjudgment by ears and eyes and damage missing detection by the human factors is prevented. A vibration sensor is used for measuring a vibration value instead of hand feeling vibration, and the effect ismore intuitive.

The invention discloses a retaining structure impact load simulation test device and method. The device comprises a test stand, a loading container and an impact mechanism, a steel wire rope is pulledto slide on a pulley through a weight which is a free falling body, a force transfer strip is pulled to drive a retaining plate to quickly slide upwards along a sliding rail to open the loading container, small steel balls in the loading container quickly gush, lateral impact load is simulated through the small steel balls to impact a retaining structure, and impact force of the small steel ballsto a test model can be changed by adjusting capacity and height of the loading container or a distance between a fixing plate and the loading container. The defect that original retaining structure member impact texts are large in occupied space, unitary and inconvenient for teaching application is overcome, and the device has the advantages of being simple in structure, uniform in impact stress,reusable, small in occupied area, suitable for various different models, capable of simulating impact tests of various fluid pressures, high in adaptability and suitable for being applied in scientific research teaching tests, and the method is simple and applicable.

The invention relates to a mating device for underwater sand pumping operation, in particular to a novel scouring and absorbing type sand pumping head which comprises a water supply pipe, a large casing pipe, a sand pumping pipe, a small sucker and a large sucker, wherein the water supply pipe communicates with the large casing pipe, the bottom end of the sand pumping pipe is connected with the small sucker, the sand pumping pipe and the small sucker are nested into the large casing pipe, the bottom end of the large casing pipe is connected with the small sucker by a front sealing plate, the top end of the large casing pipe is connected with the sand pumping pipe by a rear sealing plate; a plurality of high pressure sprayers are arranged on the front sealing plate, and the bottom end of the large casing pipe is connected with the large sucker. According to the invention, since the bottom of the large casing pipe is connected with the large sucker, and the smaller sucker and the high pressure sprayer are nested into the large sucker, water-sand mixed liquid stirred up by the high pressure sprayer can be limited to the area of the large sucker, so as to prevent silt from being directly washed away by water current to be far away from a sand pumping port, thus improving sand pumping efficiency.

The invention discloses a heavy falling weight deflectometer bearing disc self-adapting pavement device, and relates to the technical field of a falling weight deflectometer. The heavy falling weightdeflectometer bearing disc self-adapting pavement device concretely comprises a bearing main body, frame carrying mechanisms, a falling weight mechanism, a self regulation mechanism and a base, wherein the frame carrying mechanisms are arranged at two sides of the inner side of the bearing main body; the falling weight mechanism is arranged under the frame carrying mechanisms; the self regulationmechanism is arranged at the middle lower part of the bearing main body; the base is arranged under the self regulation mechanism; the bearing main body consists of an upper lifting disc and a lower lifting disc; the falling weight mechanism comprises first heavy hammers and second heavy hammers; the first heavy hammers are respectively arranged at the right corner of the front side of the upper part and the left corner of the back side of the upper part of the base. The heavy falling weight deflectometer bearing disc self-adapting pavement device has the advantages that through the arrangement of the self regulation mechanism, the device can be automatically regulated; according to the pavement gradient, the impact direction on the pavement always maintains the vertical direction, and isnot in a vertical state with the pavement.

The application discloses a grid-shaped fuel tank, which belongs to the field of auto parts. The grid-shaped fuel tank includes: a fuel tank housing that encloses a cavity including a fuel chamber, and the fuel tank housing includes an upper upper housing area, a middle middle housing area, and a lower lower housing area; the middle grid rib structure is set in the cavity corresponding to the middle shell height area, and the middle grid rib structure divides the middle part of the cavity into several middle grid cavities, one of the middle grid cavities There is no communication between them in the radial direction, and the bottom end of the first group of middle mesh chambers included in the middle mesh chambers is provided with oil openings to communicate with each other to form the fuel chamber. The grid-shaped fuel tank does not need to be designed with a separate anti-surge partition, and can significantly reduce the fuel surge; in addition, it can prevent the tank from being deformed or cracked when it is impacted by an external force; in addition, the fuel flows in the lower shell area, Thereby greatly reducing the impact force of fuel flow and weakening the "surge" phenomenon of fuel.

The invention discloses a rotary low-damping energy-saving drained water splash device which comprises a connecting pipe, a support frame, a water splash rotary disc and a rolling bearing. The support frame is fixedly arranged on the lower portion of the connecting pipe, a connection rotary shaft is arranged in the center of the lower end of the water splash rotary disc, the upper end surface of the water splash rotary disc is a protruded water splash spherical surface, guide fins are uniformly distributed at the circumferential edge of the water splash rotary disc, radial included angles are formed among the guide fins, and the guide fins extend onto the water splash spherical surface to form water distributing grooves; a base is arranged at the bottom of the support frame, a mounting hole is formed in the center of the base, and the water splash rotary disc is freely rotatably mounted in the mounting hole in the base via the connection rotary shaft and the rolling bearing. The rotary low-damping energy-saving drained water splash device with the structure has the advantages that the rotary low-damping energy-saving drained water splash device is good in stability, the fins at the circumferential edge of the water splash rotary disc are not easy to break and cannot be blocked or skewed during running, a hollowness phenomenon is prevented when the fins run, the rotary low-damping energy-saving drained water splash device is quite suitable for a water distribution system of a natural draft cooling tower, and the long-term efficient and economic running ability of the cooling tower can be greatly improved.

The invention discloses an anti-impact toughened glass insulator and a manufacturing method thereof. The insulator has at least a thunder steep slope value of 5000kV / s, can bear 50-50 DEG C repetitive circulation impact under standard load, can support standard load after zero explosion, has a surface crushing stress not lower than 200Mpa, has a U-shaped notch impact strength not lower than 10J / cm<2>, and has a light transmittance not lower than 90%. The manufacturing method includes three steps: preparing raw materials of the toughened glass and corresponding technology auxiliary material and technology devices, vitreous body intensified smelting, and toughening and casting of glass insulators. According to the invention, the anti-impact toughened glass insulator has strong anti-impact capability, excellent main body toughening, excellent integrated mechanical properties, long service life, high light transmittance, and excellent electrical properties.

The invention discloses an adjustable impact force capable of effectively solving punching of a screening machine. The adjustable impact force device comprises a stock bin, a feeding tube connected to a discharge hole of the stock bin, a decompression cone arranged below the feeding tube, and a control regulating structure for regulating a distance between the decompression cone and the bottom end of the feeding tube, wherein the feeding tube comprises an inner feeding tube and an outer feeding tube which is arranged at the periphery of the inner feeding tube and is concentric to the inner feeding tube; the outlet of the outer feeding tube is flexibly connected to a feeding hole of the screening machine; and the control regulating structure reduces control of punching impact force by regulating the distance between the decompression cone and the inner feeding tube. The adjustable impact force device regulates unloading amount by regulating a gap between the decompression cone and the inner feeding tube through a regulating guide rod, can be regulated to a proper position according to requirements, enables unloading to be uniform, greatly reduces impact force on a screen by reducing dropping height difference, shortens equipment maintenance time, and reduces maintenance cost.

The invention discloses a combined membrane bioreactor which structurally comprises a collecting cylinder, a reaction cylinder and a motor, wherein the bottom of the reaction cylinder is fixed right above the collecting cylinder. Solid grease is large in gravity and easy to precipitate at the bottom of the reactor, grease substances deposited at the inner bottom of a shell are pushed upwards through an intercepting mechanism, the grease substances are crushed, the floating of the grease substance can be easily achieved, the contact area of the grease and the membrane assembly can be increased, the grease can timely enter the membrane assembly to react with microorganisms, the grease can be completely degraded and can be easily discharged to the outside, and the environmental pollution can be reduced, the impact force of the crushing block on the grease substance is small, and the crushing speed on the grease substance is slow; the crushing teeth in the clamping grooves are movably matched with the matching blocks and the crushing blocks, so that the impact force of the crushing blocks on the grease substances is increased, the grease can be uniformly crushed, the volume of the grease substances is reduced, and the grease substances can fully float to be in contact with the membrane assembly.

The invention discloses an external-application medicine sub-packaging device and belongs to the field of medical devices. The external-application medicine sub-packaging device is characterized by comprising a frame, a discharge hopper, a bucket conveyor, a collecting hopper and a weighing and packaging assembly. A support spring is arranged under the front end of the discharge hopper. The bucket conveyor is located on the rear lower portion of a discharge hopper opening and comprises a drag chain, small hoppers, a head wheel, a tail wheel, a gear and a connecting plate. The drag chain is wound on the head wheel and the tail wheel. The small hoppers are fixed on the periphery of the drag chain. The collecting hopper is located in front of the tail wheel. The weighing and packaging assembly comprises a first disc holding rack, a second disc holding rack, a third disc holding rack, a first crossbeam, a second crossbeam, a connecting rod and a rider. The first disc holding rack and the second disc holding rack are fixed to the frame. The third disc holding rack is fixed to the rear end of the first crossbeam. Compared with the prior art, the external-application medicine sub-packaging device has the characteristic of convenient and accurate sub-packaging.

The invention relates to a sensor framework assembly. A sensor framework comprises a framework body (13) and at least two riveting inserts (3), wherein a hollow structure (14) is arranged at the middle part of the framework body (13); the hollow structure (14) forms a cavity structure by an inverted truncated cone shaped through opening. The sensor framework is capable of improving residual stress in the injection molding process of the conventional integrated framework, better guiding the flowing direction of an injection molding material and balancing impact force in the injection molding process. The invention also relates to a wheel speed sensor with the framework assembly and a motor vehicle comprising the wheel speed sensor.

The invention discloses a scallop culture device capable of automatically cleaning attached mussels. The scallop culture device comprises a vertical net cylinder, a cover plate, a baffle plate, a vertical column, a vertical cavity, a soft shaft, a rotating shaft, a plurality of rotating blades, an air cover, a cross rod, horizontal blades, a vertical plate, strip-shaped blades and a connecting column. An opening is formed in the upper end of the vertical net cylinder, the cover plate is arranged in the vertical net cylinder, the baffle plate is fixedly connected with the upper end of the vertical net cylinder, the vertical cavity is formed in the vertical column, the soft shaft is arranged in the vertical cavity, the rotating shaft is connected with the upper end of the soft shaft, the rotating blades are arranged on the rotating shaft, the air cover is arranged at the upper end of the vertical column, the cross rod is connected with the lower end of the soft shaft, the horizontal blades are arranged between the lower surface of the cross rod and the upper surface of the baffle plate, the vertical plate is connected with the right end of the cross rod, the strip-shaped blades vertically extend and are connected with one side of the vertical plate facing the vertical net cylinder, the connecting column arranged at the left end of the cross rod penetrates the middle of the baffleplate and then is connected with the middle of the cover plate, and the right end of the cross rod is positioned outside the right edge of the vertical net cylinder. The scallop culture device has the advantages that the attached mussels can be automatically cleaned, blocking of a circular supporting net is effectively prevented, and growth requirements of scallops are ensured.