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 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 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 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 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 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 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 a device for dispensing medicines for external application, which belongs to the field of medical devices, and is characterized in that it includes a frame body, a lower hopper, a bucket conveyor, a collecting hopper, and a weighing assembly; There are supporting springs; the bucket conveyor is located at the lower part of the lower hopper opening, including a traction chain, a small hopper, a head wheel, a tail wheel, gears and a connecting plate; the traction chain is wound on the head wheel and the tail wheel, and the The small hopper is fixed on the periphery of the drag chain; the collection hopper is located in front of the tail wheel; the weighing assembly includes No. 1 rack, No. 2 rack, No. 3 rack, No. 1 beam, No. 2 crossbeam, connecting rod and swimming yard; wherein No. 1 and No. 2 racks are fixed on the frame body, and No. 3 racks are fixed on the rear end of No. 1 cross beam. Compared with the prior art, the invention has the characteristics of convenient and accurate 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.