26results about How to "Reduce direct collision" patented technology

The invention relates to a settling tank, in particular to a rubber additive production wastewater settling tank with a movable scraper, which comprises a settling tank, and two sides of the settling tank are communicated with drain pipes; wherein a hydraulic rod is arranged in the center of the bottom end of the settling tank, a driving assembly is arranged on the hydraulic rod, a plurality of threaded lead screws are evenly arranged on the driving assembly, a mounting plate is arranged at the ends, away from the driving assembly, of the threaded lead screws, a reciprocating assembly is arranged in the mounting plate, and the driving assembly drives the reciprocating assembly to do linear reciprocating motion through the threaded lead screws; a plurality of first mud scraping assemblies are arranged on the mounting plate, and a plurality of second mud scraping assemblies are arranged at the bottom end of the mounting plate. According to the settling tank inner wall cleaning device, the first mud scraping assembly is arranged to loosen an adhesion layer through impact, an arc-shaped plate of the second mud scraping assembly and a third scraping plate on the arc-shaped plate scrape loose sediments, the first mud scraping assembly and the second mud scraping assembly work cooperatively, the sediments are scraped after being impacted, comprehensive cleaning of the inner wall of the settling tank is achieved, and the cleaning efficiency and effect are improved.

The invention relates to the technical field of vacuum pumps, and discloses a non-contact vacuum pump driving method and device based on centrifugation and magnetic force transfer, the non-contact vacuum pump driving device comprises a motor, a bottom shell and a pump body, and the output end of the motor is connected with a shaft rod of the pump body through a connecting base; the moving frame is located in the bottom shell and connected with the spring; the outer sides of the magnetic ring and the connecting base are connected with a magnetic assembly, when the motor is not driven, the spring enables the moving frame to be located at the initial position, when the motor is driven, the magnetic assembly is opened under centrifugal force and gets close to the magnetic ring, the magnetic ring is driven by magnetic force to enable the moving frame to move, and at the moment, the sealing cover connected with the moving frame blocks the pressure relief opening of the bottom shell. The motor drives the connecting seat to rotate to generate centrifugal force to enable the magnet to be close to the magnetic ring, the magnetic force of the magnet is utilized to extrude the magnetic ring to achieve transmission and operation without mechanical contact, collision and abrasion between mechanical parts are reduced, then vibration and noise are reduced, the reliability of equipment is improved, the service life of the equipment is prolonged, and operation stability and quietness are improved.

The utility model discloses a central air conditioning pipeline noise reduction assembly, including central air conditioning ventilation pipeline, the inside of central air conditioning ventilation pipeline is provided with central air conditioning ventilation pipeline, the inside of central air conditioning ventilation pipeline is provided with noise reduction assembly no.

This utility model discloses a backrest lock, including a base plate. A locking hook and a locking plate are movably disposed on the base plate. The end of the locking plate has a pull head for connecting and cooperating with an external car pull rod, so that when the pull rod is pulled, the locking plate swings to release the restriction on the swing of the locking hook. The inner wall of the locking hook has a positioning strip for synchronously moving along the swing trajectory of the locking hook when it swings. The inner wall of the base plate has a positioning structure that works in conjunction with the positioning strip to guide the swing trajectory of the locking hook and limit the direction of the hook's swing, and an auxiliary structure that works in conjunction with the positioning structure to limit the wobbling or loosening of the locking hook when it is subjected to vibration and to improve the smoothness of the hook's swing. This utility model solves the problems of unstable hook swing trajectory and insufficient positioning accuracy in traditional backrest locks, easy loosening or wobbling of the locking hook under vibration, and insufficient smoothness of the hook's swing leading to operational jamming.

The utility model provides a conveying device for production and packaging, which relates to the technical field of conveying devices and comprises a workbench, four supporting columns are fixedly mounted at the bottom of the workbench, and a square hole is formed in the top of the workbench. In the utility model, firstly, the motor I runs to drive the two rotating rods to rotate at the same time so as to drive the conveying belt to run to move the special wax package, so that long-distance and continuous material transportation can be realized, the moving time of the material between different work stations is greatly shortened, and the overall production efficiency is improved; the conveying belt can stably run at a high speed, the efficiency of a packaging production line is further improved, the conveying belt can accurately convey materials to a designated position, the accurate requirement of packaging production is met, the requirement for manual carrying is reduced, and the labor cost is reduced.

The anti-corrosion chemical storage tank convenient to transport comprises an anti-corrosion chemical storage tank body and a tank body anti-collision transporting mechanism, the anti-corrosion chemical storage tank body is located on the inner side of the tank body anti-collision transporting mechanism, and one side of the upper end of the anti-corrosion chemical storage tank body is fixedly connected with a feeding pipe opening. According to the anti-corrosion chemical storage tank convenient to transport, a supporting connecting rod is fixed through a second connecting threaded rod and an inner positioning connecting threaded hole in the inner side of the upper end of the transportation anti-collision chassis, and is fixed through a first connecting threaded rod and an inner positioning connecting threaded hole in the inner side of the lower end of an upper positioning anti-falling ring block; the anti-corrosion chemical storage tank body is placed on the inner side of the transportation anti-collision chassis, the whole anti-corrosion chemical storage tank body can be wrapped, a certain protection effect is achieved, direct collision of the tank body is reduced to a certain degree, meanwhile, the whole anti-corrosion chemical storage tank body can be moved and transported through lockable transportation trundles at the lower end of the transportation anti-collision chassis, and the applicability of the anti-corrosion chemical storage tank can be enhanced.

The double-locking-point cylindrical roller bearing retainer comprises two end rings and window beams which are connected with the two end rings and are circumferentially and uniformly distributed, pockets for mounting cylindrical rollers are formed between the adjacent window beams, first locking point elements are arranged on the inner walls of the upper sides of the pockets, and opposite second locking point elements are arranged on the inner walls of the lower sides of the pockets. The first matching groove and the second matching groove are matched with the first locking point element and the second locking point element respectively, the cylindrical roller is limited to rotate at the preset position, direct collision between the roller and a window beam forming a pocket hole in the running process is reduced, and the thickness of the first locking point element and the second locking point element is larger than that of the window beam. The contact part of the cylindrical roller and the retainer is locally enhanced, so that the stress concentration of the roller and the retainer at the key contact points can be reduced, the risk of fatigue damage is reduced, and light weight can be realized by optimizing the structure of the window beam and reducing unnecessary material use.

The utility model discloses a kind of potato sorting devices, a plurality of parallel roller is equipped on main support frame, soft sleeve is covered on roller surface, adjacent roller spacing gradually increases along conveying direction, first groove and second groove are equipped below roller and are respectively connected with first slide and second slide.Vibrating mechanism is installed on auxiliary support frame, it is driven connecting rod by crank rotation to make column connecting piece reciprocating motion, guide pillar is slidably matched with buffer spring in shaft cylinder to realize the vibration of main support frame, guide pillar and guide sleeve ensure vibration trajectory accurate.Potato is conveyed along roller under the vibration assistance when sorting operation, size classification is realized by gradually increasing roller gap, smaller potato falls into first groove first, larger potato continues to be conveyed to second groove.The device realizes efficient low-damage sorting by the synergistic effect of spacing classification, soft sleeve buffering, vibration assistance and spring buffering, improves sorting efficiency, reduces potato damage rate.

The utility model discloses a hydraulic power plant water supply pump physical field data acquisition device, and relates to the technical field of data acquisition. The hydraulic power plant water supply pump physical field data acquisition device comprises a connecting pipe assembly, the connecting pipe assembly comprises a main pipe body, and a data acquisition assembly is arranged on the main pipe body; the bracket protection assembly comprises two annular protection plates and a plurality of protection rods; the two protection plates are connected to the main pipe body in a sleeving mode and located on the two sides of the data acquisition assembly, the multiple protection rods are arranged in the circumferential direction of the main pipe body at intervals, and the two ends of each protection rod are connected with the outer edges of the two protection plates respectively. According to the invention, the support protection assembly is arranged, so that the data acquisition assembly is located in the protection space of the support protection assembly, certain structural shielding can be provided for the data acquisition assembly, direct collision of an external object to the data acquisition assembly is reduced, and the probability that the data acquisition assembly is damaged due to external collision is significantly reduced.

The invention provides an anti-erosion conical pipe and a size determining method for the anti-erosion conical pipe, and the conical pipe comprises a first straight pipe section, a second straight pipe section, a third straight pipe section and a fourth straight pipe section which are sequentially connected in the flowing direction of fluid, and the first straight pipe section is used for being connected with an incoming flow pipe; one end of the annular pipe section is connected with the first straight pipe section, the end, away from the first straight pipe section, of the annular pipe section is folded towards the center of the annular pipe section to form a folded section, and the diameter of the annular pipe section is gradually reduced in the flowing direction of fluid; the outer wall face of the reducing pipe section is connected with the end of the turnover section, an annular channel is formed between the outer ring face of the annular pipe section and the outer wall face of the reducing pipe section, the first straight pipe section, the annular pipe section and the reducing pipe section are communicated, and the extending direction of the reducing pipe section is parallel to the extending direction of the annular pipe section; and the second straight pipe section is used for being connected with an outflow pipe. The problem that in the prior art, a conical pipe is prone to being eroded and abraded is solved.

The utility model relates to the technical field of motorcycle parts, in particular to a damping structure between motorcycle shifting gears, which comprises a shell, a damping component and an auxiliary component. A damping assembly used for reducing impact and vibration between gear shifting gears in the gear shifting process is installed in the shell, an auxiliary assembly used for assisting the shell in being connected with a motorcycle is installed at the outer end of the shell, and the damping assembly comprises a butt joint plate, a limiting bolt, a sealing gasket, a main gear, an auxiliary gear, a connecting rod, a buffer spring, a bearing, a buffer block and a plug pin. The main gear is located in the shell, an auxiliary gear is arranged on one side of the main gear, a connecting rod is arranged in the main gear, the outer wall of the connecting rod is sleeved with a buffer spring, a buffer spring is arranged at one end of the auxiliary gear, and a damper is arranged on the inner side of the buffer spring; the buffer springs are installed on the main gear and the auxiliary gear, the buffer springs are used for absorbing generated impact force and friction force, and direct collision between the gears is reduced.

The present invention discloses a multifunctional intelligent controlled aseptic filling equipment, belonging to the field of beverage filling, comprising: a rotating block, which is sleeved on the first fixed block and connected in the middle by a torsion spring to drive the rotating block to rotate; an L-shaped liquid outlet pipe, one end of which is inserted into the rotating block and the other end is in contact with the filling bottle, and the other end of the L-shaped liquid outlet pipe is arranged in an inclined plane shape to facilitate movement when in contact with the filling bottle; a limiting cylindrical block, which is arranged at a position where the angle changes on the L-shaped liquid outlet pipe and cooperates with the filling bottle to realize the liquid discharge or stop of the L-shaped liquid outlet pipe. The present invention rotates the discharge port of the L-shaped liquid outlet pipe to contact the bottle wall in the filling bottle; when the liquid flows out, it slides downward along the inner wall of the bottle, thereby reducing the direct collision between the water flow and the bottom of the bottle or the liquid in the bottle. At the same time, since the water flow is guided to the inner wall of the bottle, the foam and splashing caused by the impact of the water flow are also reduced, thereby improving the filling efficiency and quality.

The utility model belongs to the technical field of fire hydrant pressure measuring connectors, and particularly relates to an assembly type fire hydrant pressure measuring connector which comprises a pressure measuring body and a fixing frame, a connector is arranged on the left side wall of the pressure measuring body, a drainage pipe is arranged on the right side wall of the pressure measuring body, a pressure gauge is arranged on the top of the pressure measuring body, and a pressure gauge is arranged on the fixing frame. The fixing frames are arranged at the top of the pressure measuring main body, screw holes are formed in the side walls of the two fixing frames, in the using process of the fire hydrant pressure measuring connector, shielding protection can be conveniently conducted on the pressure gauge, the protection performance of the device is improved, damage caused when the pressure gauge is accidentally collided is reduced, and the service life of the device is prolonged.

The invention relates to positioning and assembling equipment and a plastic body and skeleton assembling and transferring method, and belongs to the technical field of clamping, fastening or connecting equipment. The positioning and assembling equipment comprises a base frame, the base frame is provided with a parking space with the front end open, the positioning and assembling equipment further comprises two holding mechanisms and a plastic stretching mechanism, and the two holding mechanisms are installed at the front end of a left frame body and the front end of a right frame body correspondingly and used for locking a trolley in the parking space; the two plastic body stretching mechanisms are installed on the left side frame body and the right side frame body respectively. By means of the positioning and assembling equipment, the plastic body and the framework can be assembled and transferred, automatic operation of plastic body and framework assembling from preparation to reciprocating displacement is achieved, manual intervention is remarkably reduced in the whole process, labor intensity is lowered, errors and mistakes possibly caused by human factors are effectively avoided, and the production efficiency is improved. Therefore, the automation level and the overall efficiency of the production line are improved.

The utility model relates to the technical field of special dump trucks, in particular to a special packing box device for transporting sleepers, which comprises a fixed seat assembly mounted in a packing box, a chain ring fixing assembly for hooping the sleepers, a front plate buffer assembly fixed at the junction of a front plate and a bottom plate of the packing box, and a bottom plate supporting assembly fixed on the bottom plate and used for supporting the sleepers. Therefore, by means of the container device special for transporting the sleeper, the technical problems that due to the fact that a special sleeper fixing device is lacked in a container, the sleeper is prone to rolling in the transportation process and even possibly collapses, and great hidden dangers are brought to transportation safety can be solved.

The invention provides an array type underwater explosion cutting device based on multi-degree-of-freedom design, the array type underwater explosion cutting device is of a regular polygon annular structure, the array type underwater explosion cutting device comprises a plurality of array type cutting units which are connected into an annular shape, and a supporting structure is arranged at the joint of each array type cutting unit and the adjacent array type cutting unit; a cavity structure is arranged on the inner side of the shell structure, the shell structure and the cavity structure form a shell of the shaped charge structure, buffer structures are arranged on the two sides of the shaped charge structure and connected with the inner wall of the shell structure, and a rotating structure and a sliding structure are arranged on the outer wall of the shell structure. And the rotating structure is rotationally connected with the shaped charge structure. According to the invention, efficient cutting of targets with non-uniform thicknesses or dispersed structures is realized, and flexible structures such as submarine optical cables and cables or submarine structure systems with multiple extension directions can be efficiently damaged.

The invention relates to a data acquisition device for a visual modeling platform, which comprises a supporting plate, a perforated column fixedly mounted at the top, a telescopic cylinder fixedly mounted on the outer surface of the perforated column, a box fixedly mounted on one side surface of the telescopic cylinder, a positioning hole formed in the perforated column, a first limiting block movably mounted in the positioning hole, and a second limiting block movably mounted in the first limiting block. One end of the first limiting block extends to the telescopic cylinder, a pull rod is fixedly installed at one end of the first limiting block, one end of the pull rod penetrates through the interior of the box body, and a first spring is installed between the first limiting block and the box body; a supporting table is fixedly mounted at the top of the telescopic cylinder, an opening is formed in the first end face of the supporting table, sliding grooves are formed in the two side faces of the supporting table, and mounting plates are movably mounted in the sliding grooves; and an image data collector is mounted on the top surface of the mounting plate. According to the embodiment of the invention, the convenience of image acquisition and the security of the image data acquisition device are enhanced.

The invention discloses a landing device for a long-voyage manned vertical take-off and landing aircraft, and belongs to the technical field of aircraft buffering devices.The bottom of the aircraft is provided with a landing mechanism, the landing mechanism comprises a fixing block fixedly installed on the inner wall of the aircraft, and a hollow cylinder is fixedly installed on the outer wall of one side of the fixing block; tooth columns are slidably mounted in the hollow cylinders, adjusting blocks are fixedly mounted on the sides, away from the fixing blocks, of the tooth columns, supporting rods are hinged to the bottoms of the fixing blocks and the bottoms of the adjusting blocks correspondingly, the bottoms of the two supporting rods are hinged to the same connecting block, and the connecting blocks are connected with moving wheels. An anti-collision bottom plate is installed on the lower surface of the aircraft, and when the driving structure moves the moving wheels upwards, the lower surface of the anti-collision bottom plate is lower than the lower ends of the moving wheels. Compared with a traditional vtol aircraft, spring damping and sliding rail damping are combined, the anti-collision enclosure is designed, multiple damping of the structure is achieved, and the problems that the unstable phenomenon that a large-weight aircraft jumps up and down during hard landing and the damping effect is poor are reduced to the maximum extent.

The application provides a component hoisting anti-collision buffer, relates to the technical field of component hoisting protection, and comprises a protection frame. The inner side of the protection frame is provided with a first protection pad. The protection frame and the first protection pad are used for covering the outer peripheral side of a PC component to achieve protection of exposed steel bars on the outer peripheral side of the PC component. The protection frame and the first protection pad are used for covering the outer peripheral side of the PC component to achieve protection of exposed steel bars on the outer peripheral side of the PC component, so that buffer protection is provided during PC component hoisting, direct collision of steel bars of the PC component with surrounding obstacles is effectively reduced, the risk of damage of the steel bars is significantly reduced, the structural integrity of the component is ensured, a safer working environment is provided for construction site personnel, the incidence of work accidents is reduced, and the safety of construction personnel is ensured.

The invention discloses an underwater cleaning wall-climbing robot. The robot comprises a main body frame, wall climbing mechanisms and a cleaning mechanism, the wall climbing mechanisms are located on the two sides of the main body frame and used for supporting the robot to conduct adsorption and walking, a mounting base and a control cabin are mounted above the main body frame, the main body frame and the mounting base are connected through an inverted-U-shaped adjusting frame, and the inverted-U-shaped adjusting frame is used for adjusting the height of the mounting base; the cleaning mechanism comprises a rolling brush and a rolling brush driving cabin which are connected through a chain wheel, the rolling brush driving cabin is installed above the installation base, the rolling brush is installed below the installation base, and a shovel piece used for further cleaning the working surface is arranged at the tail end of the installation base. The device has the advantages that forward rotation, reverse rotation or differential rotation of the two rolling brushes can be independently controlled, and appropriate schemes can be provided for different situations; the damping blocks can reduce direct collision with a working plane, and meanwhile the distance is adjusted; most components are made of aluminum alloy and are low in cost and light in weight; parts of components are made of sectional materials, and dismounting and position adjusting are convenient.

The invention relates to the technical field of metal processing, in particular to an automatic feeding device for metal product processing, which comprises a processing table, a conveying table and a material frame, and further comprises a baffle plate, and the baffle plate is positioned on the material frame and is used for blocking a circular plate close to the upper part of a circular plate at the bottommost layer in stacked circular plates in the material frame; therefore, when the circular plates are pushed, only the bottommost circular plate is pushed, and a plurality of circular plates are prevented from being brought out accidentally during one-time pushing. The automatic feeding device comprises a conveying table, a baffle and a plurality of pushing wheels, the pushing wheels are located on the conveying table, the pushing wheels control a to-be-stamped metal circular plate to rotate when the to-be-stamped metal circular plate collides with the baffle due to warping, and therefore the position of the circular plate is adjusted. Direct collision between the circular plate and the baffle can be remarkably reduced by rotating the circular plate, and scratches, recesses or other forms of physical damage caused by collision are avoided.

The utility model relates to the technical field of e-commerce warehousing and logistics, and specifically discloses a logistics sorting equipment for e-commerce warehousing, which comprises a sorting assembly for sorting target objects and a chute arranged on one side of the sorting assembly. The chute comprises a chute body, a sliding area is formed in the inner side of the chute body, and the target objects after sorting can slide in the sliding area. A mounting frame is arranged at the bottom of the inner side of the chute body, one or more fixing plates are equidistantly arranged in the inner side of the mounting frame, a roller shaft is arranged in the mounting groove equidistantly distributed in the inner side of the mounting frame, the sliding friction between the goods and the chute can be converted into rolling friction, the friction force is greatly reduced, the goods can smoothly slide down, the risk of damage to the goods caused by excessive friction force is effectively reduced, and the soft pad installed at the fitting groove on both sides of the inner wall of the chute body can increase the friction force between the goods and the soft pad and consume the kinetic energy of the goods sliding down.

The invention discloses an erosion-resistant elbow pipe, comprising a vertical section, a horizontal section and an elbow connecting the two, with a bend-diameter ratio R / D=2, and a plurality of staggered protrusions and depressions are arranged on the side wall of the elbow, and the inner cavity of the protrusion is connected with the inner cavity of the elbow; the invention changes the particle movement trajectory through the protrusion and depression structure, reduces the number of collisions between the particles and the wall surface, reduces the flow velocity near the wall surface, reduces the speed of the particles hitting the wall surface, and forms a stable double low-speed countercurrent zone with the top of the protrusion and the bottom of the depression, so that the particles are blown away from the pipe wall, thereby reducing erosion.

The invention provides a self-texturing HVOF / PVD composite coating as well as a preparation method and application thereof, and relates to the technical field of surface coatings. The self-texturing HVOF / PVD composite coating comprises a metal matrix, a NiCr-Cr3C2 metal ceramic supporting layer, a Cr bonding layer, a Cr / CrxCy gradient transition layer and a DLC thin film layer. The surface of the NiCr-Cr3C2 metal ceramic supporting layer is provided with a self-texture morphology formed through corrosion. The self-texture micro-pit structure is formed on the surface of the NiCr-Cr3C2 metal ceramic supporting layer, the self-texture micro-pits serve as an oil storage pool and a scrap storage pool, lubricating oil can be effectively stored in an oil lubricating environment, abrasive dust can be captured, secondary scratching caused by accumulation of the abrasive dust in a friction contact area is avoided, the friction coefficient of the composite coating is remarkably reduced, and the service life of the composite coating is prolonged. The antifriction and antiwear properties of the coating are improved, the service life of the coating is prolonged, and good application prospects are achieved.

The utility model discloses a precise stamping die for a double-hole radiator, which comprises an upper die and a lower die, a plurality of male dies and a plurality of balance blocks are arranged on the upper die, the lower die comprises a forming die and a central balance platform which are symmetrical, a plurality of balance grooves are arranged on the central balance platform, and the balance blocks and the balance grooves are matched with each other. A plurality of guide holes are formed in the inner side of the lower die, a plurality of auxiliary guide rods are arranged on the upper die, the guide holes are matched with the auxiliary guide rods, and the symmetrical forming dies are detachably connected to a die plate through fixing pieces. The symmetrical forming dies are arranged on the two sides of the center balance table respectively, the balance groove in the center balance block is matched with the balance block on the upper die in the stamping process, balance and accurate positioning between the two forming holes are kept, in addition, the transverse spring is arranged in each forming die, vibration energy can be effectively absorbed and dispersed, and the forming quality is improved. And the structure and parts of the die are protected from being damaged.