22results about How to "Reduce collision damage" patented technology

This invention relates to the field of polishing machines, specifically disclosing a concrete polishing machine with protective functions. It includes a base with a hand handle, a mounting plate on the base, a polishing assembly on the base, a drive assembly connected to the polishing assembly on the base, a push assembly on the base, a brake assembly between the push assembly and the polishing assembly, and an inflation assembly on the mounting plate. This invention provides primary buffering, secondary buffering, braking, and support functions. When the hand is released, it effectively counteracts the polishing machine's continuous spinning and irregular movements, providing effective protection against abnormal movements from multiple angles. This ensures the polishing machine quickly stops working after an malfunction, reducing collision damage and preventing malfunctions, minimizing threats to surrounding workers, improving work efficiency, and accelerating construction progress.

The utility model provides a kind of iron core production transfer device, belong to iron core production technical field, including fixed frame, fixed installation in the fixed frame end part conveying assembly, the cooling assembly used in cooperation with the conveying assembly, the adjusting assembly of being clamped in the side wall of the conveying assembly, and the cleaning assembly being set in the side surface of the conveying assembly and being used in cooperation with the conveying assembly.The utility model passes through conveying assembly, cooling assembly, adjusting assembly and cleaning assembly, significantly improve the efficiency and reliability of iron core transfer, conveying assembly adopts modular design, combined with extrusion spring and bearing seat structure, ensure that iron core is stably conveyed and reduce collision damage;Cooling assembly adjusts cooling machine position by telescopic cylinder, realizes accurate cooling, avoids high-temperature deformation;Adjusting assembly utilizes cylinder to drive conveying roller, flexibly adapts different size iron core, enhances universality;Cleaning assembly adopts pneumatic blowing technology, automatically removes iron core surface debris.

The utility model discloses a built -in quick dismouting battery suitable for exploring unmanned plane, including polymer lithium battery battery group, battery shell, battery shell cover plate no.

The application relates to the technical field of kitchen appliances, and discloses an oven. The oven comprises an inner container, the inner container is provided with an inner cavity; a fan cover is located in the inner cavity to divide the inner cavity into a cooking cavity and a hot air cavity, the fan cover comprises: a flat plate structure, the flat plate structure is opposite to a first side plate of the inner container, the flat plate structure is provided with an air inlet part, the air inlet part is communicated with the cooking cavity and the hot air cavity; a flow guide structure is arranged on the circumferential side of the flat plate structure; along the circumferential side of the flow guide structure, the flow guide structure and the inner wall of the opposite inner container are both provided with an air outlet spacing; a first fan is located in the hot air cavity, air in the hot air cavity enters the cooking cavity through the air outlet spacing, and air in the cooking cavity enters the hot air cavity through the air inlet part; wherein the air outlet spacing is negatively correlated with the distance from the side edge of the flat plate structure corresponding to the flow guide structure to the axis of the first fan. The oven provided by the application has high cooking efficiency and good uniformity of heat distribution in the cooking cavity.

The utility model discloses a kind of vertical take-off and landing unmanned aerial vehicle landing gear, it is related to unmanned aerial vehicle landing gear field, including unmanned aerial vehicle and landing gear, the bottom of the unmanned aerial vehicle is provided with two groups of landing gear in both sides, the bottom of the landing gear is provided with guard frame, the top of the guard frame is fixed with two groups of fixed plate by welding, the top of the guard frame one side is fixed with stress plate, and stress plate and fixed plate are welded together, the stress plate top one side is connected with connecting plate. The guard frame of the utility model landing gear bottom sleeve installation can pass through the connecting plate of its one side bolt connection connecting plate and transmit the bending moment of unmanned aerial vehicle single side landing gear to opposite side, so that the landing gear of the bottom of unmanned aerial vehicle both sides jointly bears load, to reduce the degree of landing gear stress bending, and unmanned aerial vehicle in landing process, landing gear is contacted and rubbed with ground through the guard frame of its bottom setting, to avoid abrasion of landing gear of carbon fiber material and ground contact.

The application provides a quartz boat taking device, and relates to the field of semiconductor manufacturing. The quartz boat taking device comprises a taking device body, a connecting piece and a handheld piece. The connecting piece is connected with the taking device body and the handheld piece respectively. The taking device body is used for cooperating with a quartz boat. The handheld piece is used for being held by an operator to take and place the quartz boat through the taking device body. The quartz boat taking device has the characteristics of being convenient to hold, can facilitate the operator to take and place the quartz boat, can effectively reduce or avoid the problem of collision and damage of the quartz boat and fragments caused by improper operation when the operator places and takes the quartz boat, and can also reduce or avoid the problems of cost waste caused by damage of the quartz boat and contamination of the furnace tube caused by the broken chips, thereby helping to improve the quality of the chips and improve the yield of the chips.

The utility model relates to a kind of replaceable table surface air cylinder, including cylinder, slider sliding in the cylinder, limiting block of limiting the position of slider, rod body being set on the slider, detachable connection on the table surface of the cylinder;The cylinder is opened with sliding slot;The limiting block is set at the upper half of the sliding slot;The slider slides in the sliding slot;The rod body is set in the limiting block;The cylinder is opened with first hole and second hole;The first hole is located in the upper half of the sliding slot, and the second hole is located in the lower half of the sliding slot;The first hole and the second hole are communicated with gas source;The table surface is fixed on the cylinder by bolt.Solved if new operation requirement is satisfied, often needs to replace entire air cylinder or to carry out complex reconstruction to table surface.

This utility model discloses a rice seed screening and processing device, relating to the field of rice seed screening technology. It includes a soaking tank and a sieve cylinder. An inlet pipe and an outlet pipe are fixedly installed on the side of the soaking tank. A support unit, a traction unit, and a discharge unit are fixedly installed inside the soaking tank. The support unit is rotatably connected to both ends of the sieve cylinder. A feed hopper, a stirring unit, and a debris collection unit are fixedly installed on the support unit. A spiral plate is fixedly installed on the inner wall of the sieve cylinder. The beneficial effects are that the rotating sieve cylinder and spiral plate agitate the rice seeds, and the flexible movement of the rotating brush reduces seed accumulation, facilitating seed dispersion. The airflow from the vents carries light, floating debris such as empty husks from the rice seeds to the upper part of the liquid, effectively improving the efficiency of rice seed screening. The liquid and the gas sprayed from the vents reduce mutual collision damage during the screening process, ensuring the integrity of the rice seeds and the quality of the screening.

The utility model discloses a combination type sound equipment, which is characterized by the following technical scheme: a shell is provided, a rotating shaft is rotatably connected in the shell, a threaded rod is rotatably connected in the rotating shaft, a fixed ring is fixedly connected to the top of the threaded rod, a ratchet wheel is arranged on the upper end of the fixed ring, a knob is fixedly connected to the upper end of the threaded rod, a linkage column is threadedly connected to the bottom of the threaded rod, a brake ring is fixedly connected to the lower end of the linkage column, a first quick-connection module is fixedly connected to the outer side of the rotating shaft at the right end of the shell, a clamping block is fixedly connected to the right end of the first quick-connection module, a stop block is slidably connected in the shell, and a return spring is fixedly connected in the stop block. Through the design cooperation of the rotating shaft and the first quick-connection module, one group of the same sound equipment can be conveniently spliced, the flexibility and adaptability of sound field construction are improved, and meanwhile, the user is allowed to quickly adjust the sound equipment layout according to the site form and acoustic requirements.

This utility model discloses a hydraulic cylinder for an excavating robotic arm, including a cylinder body, a piston structure, a supporting cylinder head structure, and a sealing assembly. The cylinder body has a front oil port and a rear oil port. The piston structure includes a piston and a piston rod fixed to it. The supporting cylinder head structure, through an elastic support system composed of a cylinder head, spring, spring column, support plate, and spring retaining ring, provides additional support and fixation during piston rod extension and retraction, effectively improving the stability of the piston rod. Furthermore, the spring retaining ring divides the conventional rod chamber into a rod chamber and a spring chamber, providing additional buffering force through the spring action, reducing collision damage between components, and extending the service life of the device. This utility model improves piston rod stability through the supporting cylinder head structure, and the buffer pad, in conjunction with the spring action, reduces collision damage to components, extending the service life of the hydraulic cylinder, making it suitable for high-intensity operation scenarios of excavating robotic arms.

The utility model discloses a kind of guide vanes for EGR pipe, it is related to automobile exhaust treatment technical field.The utility model includes mounting sleeve, the first installation ring is fixedly connected in mounting sleeve inside;The first installation ring one side is provided with limiting mechanism.The utility model is meshed with the tooth block of the inner ring of limiting ring and the tooth slot of installation disc outer ring, can effectively limit the axial displacement and unexpected rotation of installation disc under the action of airflow, avoid the unstable problem of guide flow caused by jumping or shaking of turbine blade, the air outlet channel being set between limiting ring and mounting sleeve, high-speed exhaust can be guided to flow to the working area of turbine blade, reduce airflow dispersion loss, the hollow structure of wind deflector and two side slope design, airflow entering mounting sleeve can be primarily rectified, reduce intake turbulence intensity, reduce airflow and pipe wall collision loss, further reduce pressure loss, improve guide efficiency.

The utility model relates to a railway wagon inspection trolley, including chassis and upper cover, the middle part of chassis is provided with two groups of wheel hub motor before and after symmetry, wheel hub motor is connected with chassis rotation, wheel hub motor bottom and track contact, be provided with four guide wheels on the chassis, the lower end of guide wheel is provided with mounting panel, guide wheel and mounting panel rotation is connected, four guide wheels are rectangular distribution, four guide wheels all with the outside surface of track is pasted together, the upper end of chassis is provided with controller, power module, picture acquisition module, communication module and position detection module, picture acquisition module is close to the upper cover setting, the upper cover is provided with the window in picture acquisition module, the periphery of window is provided with a plurality of LED lamp, the car body still is provided with photosensitive resistance, controller and wheel hub motor electric connection, the upper cover and chassis are detachable connection, the utility model moves along the track in the wagon bottom, replaces manual work and completes the wagon bottom detection.

The utility model relates to picking machine technical field, concretely disclose a picking machine with picking and discharging buffer mechanism, including the handle and the picker The handle top fixedly installed have riser pipe, the riser pipe top fixedly connected have the receiving hopper, the picker grab clamp set in receiving hopper directly above, the riser pipe inner wall fixedly installed have evenly distributed elastic buffer rubber plate, the riser pipe bottom fixedly connected have the inclined pipe, the inclined pipe bottom fixedly installed have riser, the picker fixedly installed in riser top, the inclined pipe end fixedly connected have the hose, the elastic buffer rubber plate set up hollow, and elastic buffer rubber plate sets up to be oblique, the receiving hopper inner wall lay up have the rubber frame, the inclined pipe inner wall is provided with inner rubber cover, the handle outer wall is provided with outer rubber cover, this picking machine can buffer in the discharging process, effectively reduce the fruit fruit collision damage, guarantee the fruit quality, and the practicality is strong.

The utility model relates to the technical field of egg -laying hen breeding equipment discloses a kind of egg picking device of laminated egg -laying hen breeding equipment, including base, left support, right support, angle adjusting assembly, three collecting grooves, three anti-collision conveying components, transmission component one, transmission component two, vertical conveying component, multiple receiving grooves, material guide box and support frame.The utility model has the following advantages and effects:it can effectively improve egg picking efficiency, reduce the damage caused by manual operation, and simultaneously, the angle of collecting groove can be flexibly adjusted according to actual demand, so as to optimize the rolling speed and direction of eggs, and further reduce the risk of egg breakage caused by collision during transmission process, and the eggs collected by collecting groove can be transferred from different collecting grooves to material guide box, ensuring that the entire egg picking process is more smooth and efficient, and can well adapt to the space characteristics of laminated breeding environment, providing an ideal solution for large-scale egg -laying hen farm.

The application discloses a high-voltage switch cabinet based on a modular structure, which has a cabinet body and an external pipe extending from the cabinet body, an instrument room, a handcart room, a busbar room and a cable room are arranged in the cabinet body, an instrument for measurement is arranged in the instrument room, a handcart is arranged in the handcart room, a contact box is arranged in the interior of the cabinet body, the upper contact box is connected with a busbar connecting piece through a busbar, the lower contact box is connected with a current-voltage transformer, a non-flat partition plate is arranged between the busbar room and the cable room, a handcart room cover plate, a busbar room cover plate and a cable room cover plate are arranged above the handcart room, the busbar room and the cable room respectively, a cover plate joint piece which is not integrated with the cover plate is arranged on the handcart room cover plate, the busbar room cover plate and the cable room cover plate, and the safety of the high-voltage switch cabinet is improved.

The utility model discloses a kind of agricultural product transportation anti-extrusion equipment, by box, box cover and multiple function components constitute, box interior is equipped with partition, protection pad arranged in box provides flexible buffer support for agricultural product, effectively absorbs vibration and impact in transportation process, clearance component configured outside box forms fixed spacing between adjacent boxes by mechanical structure, avoid damage caused by transverse extrusion, the engagement component on box cover ensures that each box is vertically aligned when multi-layer stacking, so that gravity is evenly distributed, prevent tilting collapse, the equipment is through internal buffering, lateral anti-extrusion and the synergistic effect of vertical stability, realized the all-round protection to agricultural product. Whole system structure is reasonable, easy to operate, both can effectively prevent physical damage of agricultural product in transportation process, can also maintain proper ventilation condition, with good practical value and market prospect.

The application discloses an automatic unloading and collecting system for shaft workpieces and a use method thereof, which comprises a machine tool for machining the shaft workpieces, and a discharge port arranged on one side of the machine tool, a unloading guide plate for unloading the shaft workpieces is rotatably hinged to the lower side of the discharge port, and the two sides of the unloading guide plate are both provided with a baffle; a sleeve is fixedly installed on the machine tool below the unloading guide plate through an inclined support and is arranged in an inclined mode, a vibrating support rod is movably sleeved in the sleeve through a vibrating mechanism, the other end of the vibrating support rod is rotatably connected with a switching sliding seat, a sliding rail is arranged on the bottom of the unloading guide plate, and the switching sliding seat is slidingly installed on the sliding rail. Through the cooperation of various mechanisms, the automatic, stable and accurate unloading and collecting of the shaft workpieces are realized, the production efficiency is improved, the labor cost is reduced, the workpiece quality is effectively guaranteed, the structural design is novel and practical, the application has significant technical advantages and industrial application value, and is suitable for popularization and use.

The utility model discloses a logistics loading and unloading device, including the forklift body, the outer side fixed connection of the lifting structure of forklift body has the cargo fork, the upside of cargo fork is provided with the lifting block, the lifting block is provided with two, the upside of cargo fork is provided with square groove and round groove, square groove is provided with two, round groove is provided with four, the bottom side fixed connection of square groove inside has hydraulic pressure rod no.

This utility model discloses a collision avoidance mechanism for unmanned aerial vehicles (UAVs), suitable for installation on UAVs. The UAV fuselage has two arms on each of its left and right sides, with wings at their free ends. The collision avoidance mechanism includes four protective covers and two connecting frames. The protective covers are detachably mounted on the free ends of the corresponding arms and are distributed around the outer periphery of the corresponding wings. The two connecting frames are distributed on the left and right sides of the UAV fuselage. Each connecting frame extends in a front-to-back direction, positioned between two protective covers on the same side, and its front and rear ends are hinged to adjacent protective covers. This utility model effectively protects the UAV through the cooperation of the protective covers and connecting frames, minimizing collision damage, and its compact size after folding makes it easy to carry.

The utility model is suitable for the field of steam turbine dismounting, disclose a kind of steam turbine hot tight stud bolt and nut dismounting tool and nut connecting tool, comprising: for lifting the lifting mechanism of nut and stud bolt, the nut connecting assembly of being fixed and being connected with the lifting mechanism by the lifting hole, the dismounting assembly of being sleeved on stud bolt upper end and being the bolt connecting assembly of being connected with the lifting mechanism with stud bolt thread hole connection;Lifting mechanism is connected with nut by nut connecting assembly, lifting mechanism is fixed after lifting hole first with nut, then is removed, then stud bolt is rotated from steam turbine by dismounting assembly, then bolt connecting assembly is connected with stud bolt thread hole, stud bolt is lifted and removed from steam turbine by lifting mechanism, dismounting is carried out by lifting equipment, reduce the dismounting of user using own strength, greatly improve installation efficiency, improve the security of dismounting operation.

The utility model discloses a kind of forming equipment for automobile middle net, including injection molding machine, the injection molding end of injection molding machine is equipped with injection molding die, the surface of injection molding machine is provided with recess, the inside of recess is provided with lifting plate, the top of lifting plate is provided with material receiving plate, material receiving plate is located at the bottom of injection molding die, the surface of injection molding die is provided with transmission structure, transmission structure can control lifting plate vertical lifting when injection molding die opening and closing, transmission structure includes the transmission plate of fixed connection in the two sides of injection molding die movable mold surface, the surface of transmission plate is provided with inclined groove.The utility model is automatically accurately raised to the bottom below of mould by setting and injection molding die linkage lifting plate and material receiving plate when mould opens, make forming middle net directly falls into material receiving plate instead of free falling, can reach the effect of buffering protection to middle net workpiece.