16results about How to "Bear well" patented technology

The utility model relates to the technical field of bridge construction, and discloses a crossing movable platform attached to a high-altitude bridge, which comprises a space structure body, the top end of the space structure body is fixedly connected with the bottom surface of the bridge, and the space structure body comprises a plurality of polygonal annular frames; each polygonal annular frame comprises a polygonal bottom frame and vertical supporting frames distributed in the circumferential direction of the bottom frame. The multiple polygonal annular frames are sequentially arranged in the length direction of the bridge. The anti-falling net is arranged on the bottom surface and the circumferential direction of the space structure body in a tensioning manner; the climbing entertainment device is located in the space structure body and attached to the space structure body; the corners of the bottom frames of every two adjacent polygonal annular frames are aligned at the top points and connected through circumferential dampers used for consuming horizontal vibration, and metal dampers used for consuming vertical vibration are arranged between the top of the space structure body and the bridge. The technical problems that an ultra-long movable platform attached to a high-altitude bridge is greatly influenced by wind shock, and the sense of safety of tourists is low are solved.

The utility model belongs to the technical field of unmanned plane, concretely relates to a retractable landing gear, including containing frame, landing support, limiting component and telescopic push rod. The utility model discloses the rotation direction adjustment is toward the advancing direction of unmanned plane when the landing support is stored in the internal storage cavity of containing frame, and when the landing support rotates to the vertical state, limiting support is realized by utilizing limiting component, so that in the ground taxiing stage of unmanned plane, the reverse torque borne by the landing support will not be transmitted to the telescopic push rod, effectively reduces the abrasion and fatigue damage of telescopic push rod, guarantees its stability in the long -term use process, and then prolongs the service life, and reduces maintenance cost and replacement frequency.

A modular, continuously adjustable support device for trenches includes front and rear support plates. Positioning plates are vertically installed on the left and right edges of opposite sides of each support plate. At least two crossbeams are detachably installed between the positioning plates of each support plate. The crossbeams on the front and rear support plates are aligned and connected by a continuously adjustable telescopic support rod device. Each support plate has a protrusion on one end face and a groove on the other end face. Adjacent support plates are assembled using the protrusion and groove. This modular, continuously adjustable support device for trenches simplifies the process, reduces construction costs, and avoids noise pollution.

The utility model relates to the technical field of curtain wall installation, in particular to a connecting assembly for installing an aluminum plate curtain wall, which comprises a longitudinal connecting structure, and the longitudinal connecting structure comprises a first chemical anchor bolt, a first hanging seat and a first hanging piece; one end of the first chemical anchor bolt is connected with a wall body, and the other end is connected with a first supporting plate; one end of the hanging seat is provided with a connecting groove with a downward opening and matched with the first supporting plate, the hanging seat is connected with the first supporting plate through the connecting groove, and the other end of the hanging seat is connected with the second aluminum plate located below; the hanging seat is further provided with a groove which is provided with an upward opening and matched with the first hanging piece, the hanging seat is connected with the first hanging piece through the groove, and the other end of the first hanging piece is connected with the first aluminum plate located on the upper portion. By means of the connecting assembly, the problem that the installation process is complex can be effectively solved, and cost is low.

The utility model relates to the technical field of packaging cartons, and discloses a packaging carton with a display function, which comprises a packaging carton body, a flip cover, a base and a display component, the flip cover for sealing the packaging carton body is arranged at the top of the packaging carton body, the base is arranged in the packaging carton body, and the display component is arranged in the packaging carton body. A supporting column is arranged on the base through a connecting piece, a first reinforcing rib is fixedly connected to the supporting column, a second reinforcing rib is fixedly connected to the supporting column, the supporting column supports the packaging carton body through the first reinforcing rib and the second reinforcing rib, a turning frame is rotationally connected to the supporting column, and a plurality of clamping grooves are formed in the packaging carton body. The supporting columns are matched with the first reinforcing ribs and the second reinforcing ribs to disperse impact pressure borne by the packaging carton body, the packaging carton body can better bear the action of various external force, the physical strength of the packaging carton body is guaranteed, the damage resistance is improved, deformation caused when the packaging carton body is pressed or impacted can be prevented, and internal commodities are prevented from being damaged.

A toothed chain transmission system, belonging to the field of chain drive technology, includes a toothed chain and sprockets that mesh with each other. The chain includes guide plates, toothed chain plates, pins, and rollers. Rollers are mounted on the pins. The guide plates are located on both sides of the chain, and the two ends of the pins are respectively interference-fitted with first connecting holes on the guide plates. The toothed chain plates include first toothed chain plates and second toothed chain plates. The first toothed chain plates are arranged side by side along the pin axis on two adjacent pins between adjacent guide plates. The second toothed chain plates are connected to two pins located on the inner side of the first toothed chain plates between adjacent first toothed chain plates. This invention is based on the meshing transmission principle of toothed chains and optimizes and improves the original toothed chain, thereby achieving the goals of noise reduction, load increase, and transmission efficiency improvement when used in conveying equipment, significantly improving the overall performance and reliability of the chain drive system.

The utility model discloses a pressure-resistant large-diameter paper tube, which relates to the technical field of paper tubes, and comprises an outer tube, a pressure-resistant structure is arranged on the inner side of the outer tube, and the pressure-resistant structure comprises a pressure-resistant ring connected to the inside of the outer tube; the supporting assembly is connected to the middle of the compression-resistant ring, and the compression-resistant ring and the supporting assembly are matched to be used for supporting the outer pipe; the clamping assembly is arranged between the compression-resistant ring and the supporting assembly, and the clamping assembly is used for connecting the compression-resistant ring and the supporting assembly; the inner wall surface of the outer pipe is fixedly connected with the filling layer, and the filling layer is used for supporting the outer pipe. According to the large-diameter paper tube, the compression-resistant structure is arranged, the supporting assembly and the compression-resistant ring are conveniently connected through the clamping assembly, then external force is borne through cooperation of the compression-resistant ring, the arc-shaped supporting plate, the reinforcing ribs and the reinforcing plates, and therefore the whole large-diameter paper tube has the good compression-resistant performance.

A preparation method of natural fiber web reinforced thermoplastic recyclable composite material, after cutting the three-dimensional natural fiber material, the surface is washed and sewn to reinforce; after water bath, wash with deionized water to neutral, place in different concentration of alkaline solution to form a large number of convex particles on the surface of the fiber; the cellulose fiber web is placed on the thermoplastic resin film, the uppermost layer is laid with thermoplastic resin film, and placed on the hot press, and the mold is opened to obtain the cellulose fiber web reinforced thermoplastic composite material; with high performance fiber reinforced thermoplastic composite material as upper and lower layers, the middle layer is cellulose fiber web reinforced thermoplastic composite material, and natural fiber web reinforced thermoplastic recyclable composite material is obtained. The natural fiber web is used as the reinforcing body, and the thermoplastic resin is used as the matrix. The composite material is prepared by controlling the material mass fraction, thickness, hot pressing temperature, hot pressing pressure and hot pressing time. The composite material has the advantages of low density, low price, environmental friendliness, repeated recycling and the like.

The utility model belongs to the technical field of conveying equipment, and relates to a novel steel material conveying line which comprises a head assembly, a tail and tensioning assembly, a surface increasing wheel and a rack, an upper carrier roller, a lower carrier roller, a vertical roller, a baffle assembly and a buffer chute are installed on the rack, and a special conveying belt used for conveying materials is arranged on the carrier rollers. The special conveying belt comprises a base belt and a replaceable short belt, the lower carrier roller comprises a lower carrier roller frame and a lower carrier roller roller, the surface increasing wheel comprises a mounting frame and a surface increasing wheel body, the head and the driving combination are used for driving the special conveying belt, steel materials are conveyed to a buffering chute of the head from the tail and fall to a downstream conveying line, and continuous conveying of the steel materials is completed. The special conveying belt is adopted to replace a traditional conveying belt, the abrasion resistance, the anti-tearing performance and the replaceability of the conveying belt are improved, and conveying of steel materials such as scrap steel with lumpiness, complexity, sharp edges and corners, high abradability and impact characteristics is completed.

The utility model provides a pipe roof pipe jacking structure convenient to use, which relates to the technical field of underground engineering construction and comprises a pipe roof steel pipe jacking body and supporting steel. A quick coupling assembly; the quick connecting assembly comprises a reverse buckling barb fixedly connected to one end of the outer side of the pipe roofing steel jacking pipe body, the other end of the pipe roofing steel jacking pipe body is fixedly connected with a forward buckling clamping hook, and anti-skid teeth are evenly distributed on the outer surface of the reverse buckling barb and the outer surface of the forward buckling clamping hook. An expansion pressurization assembly; the expansion pressurizing assembly comprises an expansion air bag fixedly connected to the inner side of the right-hand buckle clamping hook. According to the design, the stability of a connecting part is enhanced, the phenomenon that the connecting part is loosened or slides due to long-term use and external force is prevented, soil and gravel in a soil layer enter a buckling part is reduced, and pressure can be better borne and dispersed; the arch-shaped structure can distribute stress on the whole connecting part more uniformly, so that the problem of fracture caused by overlarge local stress is reduced.

The utility model discloses a pipe orifice groove structure, its characterized in that, include: in the pipe wall from the pipe orifice end surface along the length direction is equipped with an opening groove, and another opening groove is equipped with radially symmetrical with opening groove, the groove edge of opening groove is equipped with the first arc surface, and the first arc surface is with first welding spare interpenetration, first welding spare is the plate -like structure, in the pipe orifice end surface, between opening groove and opening groove, one side is equipped with the first bevel, and the other side is equipped with the second bevel, and the first bevel is equipped with the first arc edge, and the second bevel is equipped with the second arc edge, and the first arc edge and second arc edge respectively with second welding spare interpenetration, the pipe orifice end surface extends a circular ring, and the circular ring is connected with the both ends of first arc edge, the both ends of second arc edge, increase the circular ring in the pipe orifice, control the deformation of cutting. After the iron pipe pipe orifice of increasing circular ring processing, can keep the precision of the shape and size of opening groove and bevel, can form more uniform weld shape and size when welding.

The utility model provides a battery replacing platform assembly of a new energy automobile battery replacing device, and belongs to the technical field of new energy automobile battery replacing. The problems that a battery receiving base of an existing battery replacing device is prone to being blocked in returning and not smooth in movement are solved. The battery replacing platform assembly of the new energy automobile battery replacing device comprises a first frame body, a second frame body arranged on the first frame body in a sliding mode, a first driving mechanism used for driving the second frame body to reciprocate in the length direction of the first frame body, two battery receiving bases, two battery grabbing mechanisms and two second driving mechanisms used for driving the battery grabbing mechanisms to move. The two battery receiving seats are fixedly arranged at the two ends of the second frame body respectively. The two battery receiving seats are fixedly connected into a whole through the second frame body, so that when one battery receiving seat extends out of the first frame body, the gravity center of the whole is still located in the first frame body, the first frame body is still kept in the horizontal state, sliding fit between the first frame body and the second frame body is guaranteed, and batteries are taken and placed more smoothly.

The utility model relates to electric motor car technical field, concretely is a kind of novel electric motor car rear suspension assembly structure, including pedal, the seat rod is arranged on the pedal, supporting unit is arranged on the pedal, the wheel is arranged on the supporting unit, driving mechanism is arranged on the supporting unit, the supporting unit includes the first connecting seat being arranged on the pedal, the second support plate is symmetrically arranged on the first connecting seat, and the second support plate other end is commonly provided with third connecting seat, this novel electric motor car rear suspension assembly structure, shock absorber and driving mechanism are away from wheel and located high place layout design, the operation space is increased when maintaining and replacing tire, the maintenance efficiency of vehicle is improved, maintenance cost is reduced, and since rear suspension component installation position is higher, effectively avoid the knock with road surface obstacle and the attachment of slurry, sandstone and other impurities, reduce component replacement frequency, reduce use cost.

The application discloses a photovoltaic power station, comprising a photovoltaic string, the photovoltaic string is at least two rows arranged in a first direction, at least one end of the adjacent two rows of photovoltaic strings is connected through an arc-shaped track switching rail, the arc-shaped track switching rail is configured to cooperate with the walking mechanism of a photovoltaic cleaning robot; the photovoltaic string comprises a cable structure flexible support and a plurality of photovoltaic components supported on the cable structure flexible support, and the arc-shaped track switching rail comprises an inner ring track and an outer ring track respectively connected with two side frames of the photovoltaic components arranged in the first direction. The arc-shaped track switching rail of the application creates a continuous and barrier-free walking channel for the photovoltaic cleaning robot. The inner ring track and the outer ring track are curves, allowing the photovoltaic cleaning robot to turn more smoothly and more energy-efficiently, reducing stuttering, wear and energy loss. The photovoltaic cleaning robot can automatically cross the rows without relying on a ferry car, reducing the cross-row cost, cross-row risk and improving the cross-row efficiency.

The application discloses a structure of a pneumatic driving continuum robot with asymmetric stiffness, comprising: a bone joint, a plurality of groups of bone joints are arranged, and the bone joints are sequentially connected in series to form a robot main body structure; a direction changing assembly is arranged between adjacent bone joints, the direction changing assembly comprises two groups of symmetrically arranged pneumatic half bellows, and the two groups of pneumatic half bellows are symmetrically arranged between the adjacent bone joints; a penetrating module is arranged, and the plurality of groups of bone joints are connected in series through the penetrating module; a pneumatic module is connected with the pneumatic half bellows and drives the pneumatic half bellows to deform; wherein, the adjacent bone joints are connected through a mortise and tenon structure. The application has different motion characteristics in different directions, can adapt to complex and changeable working environments, and improves the environmental adaptability of the robot. The two groups of symmetrically arranged pneumatic half bellows in the direction changing assembly combine the asymmetric stiffness characteristics, so that the robot turns more flexibly and accurately, and can complete a complex motion trajectory.