35results about How to "Good cushioning and energy absorption" patented technology

The invention relates to the technical field of composite materials, in particular to a carbon fiber honeycomb structure; comprising a plurality of honeycomb sub-pieces having a continuous semi-hexagonal shape, the plurality of honeycomb sub-pieces are arranged in sequence and coated on overlapping bonding surfaces. The cloth adhesive is fixed and bonded to form a hexagonal honeycomb structure in cross section. The honeycomb parts are made of carbon fiber prepreg with a carbon content of more than 90% through an autoclave process or a molding process; The bonding agent adopts epoxy resin adhesive or adhesive film; compared with the existing honeycomb core material, the comprehensive performance is outstanding, and at the same time, it has light weight, high specific strength, good impact resistance, and obvious buffering and energy-absorbing effect; the present invention At the same time, it also provides a preparation method of the carbon fiber honeycomb structure, which overcomes the disadvantage of complicated preparation procedures of the carbon fiber honeycomb structure in the past.

The invention provides an oil pan of an automobile engine, and belongs to the technical field of automobiles. The oil pan solves the technical problem that an existing engine oil pan does not have good buffering or energy absorption effect. The oil pan of the automobile engine comprises a flexible shell connected to the lower end of an engine cylinder body, the upper end of the shell is fixedly connected with the lower end of the engine cylinder body, and a supporting structure capable of supporting the bottom of the shell is further arranged between the bottom of the shell and the engine cylinder body. The oil pan of the automobile engine has the advantages of having good buffering and energy absorption effects while being impacted and the like.

The invention provides left and right front suspension brackets of automobile engines, relates to the technical field of engine bracket equipment, and solves the problem that during the use of the existing suspension brackets, due to the four-corner independent bearing mode, its load-bearing capacity is reduced, and the load generated by itself is relatively large. Large, so that the energy-absorbing mechanism is always at a lower limit position, causing the energy-absorbing mechanism to lose its energy-absorbing effect, and the suspension bracket often breaks during use, causing the engine to suddenly fall and cause damage, including the upper bracket ; The lower end of the upper bracket is hinged with the lower bracket below through a shock absorbing spring; the upper brackets of the left and right groups are connected to each other through load-bearing links. In the present invention, since the upper end of the reinforced hanging mechanism is horizontally and vertically fixed with a shaft sleeve, it can cooperate with the load-bearing connecting rod to provide a stronger bearing capacity, and has a good buffering and energy-absorbing effect, and the arched lifting arm has a stronger supporting force.

The invention discloses a coupled bionic anti-explosion energy-absorbing board, which comprises multi-layer substrates sequentially arranged at intervals along the thickness direction of the energy-absorbing board, a plurality of energy-absorbing unit cells arranged between every two adjacent layers of substrates, and Filling in the cavity formed between the energy-absorbing unit cell and two adjacent substrates, each energy-absorbing unit cell includes a first contour line and a second contour line, and each energy-absorbing unit cell has In the central plane, the first contour line is arranged symmetrically with respect to the central plane, and the second contour lines are arranged symmetrically on opposite sides of the central plane, and the energy-absorbing unit cell also includes the second contour line and the first contour line respectively connected on both sides The transition curve between the ends of the line, the first contour line satisfies the curve equation y = -0.021x 2 +0.113x+25.31, the second contour line satisfies the curve equation y=‑2.315x 2 +3.722x+6.398. The coupled bionic anti-explosion energy-absorbing plate has a simple structure, and the cross-sectional profile of the energy-absorbing unit cell is similar to the shape of a pine cone, and has a good buffering and energy-absorbing effect, thereby ensuring the safety of the protected vehicle, equipment inside the vehicle and occupants.

The invention provides a gas explosion-proof partition plate for downhole. The gas explosion-proof partition plate comprises an explosion-proof partition plate body and a plurality of sets of unit bodies; each set of unit body comprises a base and a basic micro element structure matched with the base; the basic micro element structures are mounted into U-shaped bases to constitute U-shaped unit bodies, and the basic micro element structures are mounted into corresponding U-shaped structures of H-shaped structures to constitute H-shaped unit bodies; and in the length direction, the H-shaped unit bodies and the U-shaped unit bodies are alternately distributed, the U-shaped unit bodies are located in the middle, and the upper U-shaped unit bodies and the lower U-shaped unit bodies are symmetrically distributed at intervals, the two sides of the U-shaped unit bodies abut against the H-shaped unit bodies through first buffering rods, and the basic micro element structures in the U-shaped unit bodies make contact with the upper inner wall and the lower inner wall of a corresponding explosion-proof cavity. According to the gas explosion-proof partition plate for the downhole, explosion detonation wave is buffered and absorbed, firstly, the explosion detonation wave is blocked and buffered through a protecting plate, then energy is transmitted to foamed concrete, second rubber rods andceramic base structures in the explosion-proof partition plate body and consumed, and the buffering energy-absorbing effect is achieved.

The present invention relates to an automobile variable-section upper side beam with longitudinally segmented filling material and its use method and manufacturing method. For the automobile variable-section upper side beam with longitudinally segmented filling material of the present invention, the upper side beam shell (1 ); filling material; structural glue (2), the filling material is composed of multi-segment energy-absorbing material (3) and rigid structural material (4). For the use method of the present invention, the energy-absorbing material at the front end absorbs energy, the rigid structural material in the middle section maintains the structural strength of the upper longitudinal beam, the energy-absorbing material in the middle section continues to absorb the collision energy, and the rigid structural material in the rear end maintains the structural strength of the upper longitudinal beam. Collision force for blocking. The manufacturing method of the present invention specifically includes the following steps: S1: manufacturing the upper stringer shell; S2: coating structural glue; S3: filling the upper stringer shell with energy-absorbing materials and rigid structural materials. The invention better induces gradual crush deformation of the upper longitudinal beam through the energy-absorbing and rigid structural materials filled inside.

The invention discloses a pipeline geological disaster protection device and an installing and using method thereof. The device comprises a supporting base, a lateral buffering wall, pipeline fixing clamps and a buffering layer. The supporting base comprises a sliding rail structure, a first base, a plurality of pressure springs, a plurality of stable pull rods I, a plurality of stable pull rods II and a second base. The lateral buffering wall comprises an L-shaped steel plate and a plurality of pressure springs. Through the arrangement of the compressible supporting base and the sliding railstructure, the lateral buffering wall and the pipeline fixing clamps on the supporting base, when a pipeline is mostly subjected to inclined impact force from landslide and falling stone, sliding in the horizontal and vertical direction can be achieved within the pipeline deformation extreme range, the supporting base and the lateral buffering wall are used for bearing component force in the horizontal direction and the vertical direction and absorbing energy, good pipeline landslide and falling stone impact preventing effects are achieved, meanwhile, cost is low, arrangement is flexible, andconstruction is convenient.

The invention relates to a buffer energy-absorbing device based on magnetorheological materials, which includes a double-tube structure composed of an outer sleeve and an inner sleeve and an excitation coil for generating a magnetic field. One end of the double-tube structure is fixedly connected to the base, and the other One end is fixedly connected with the sealing end cap, and the double-tube structure is filled with magnetorheological materials. There is a gap between the outer sleeve and the inner sleeve of the double-tube structure as an annular flow channel, and the inner cavity of the inner sleeve is equipped with a piston. , there is a spring between the piston and the base, the piston is slidingly matched with the inner wall of the inner sleeve, the piston is fixed on the piston rod, the piston rod protrudes out of the double-barrel structure through the sealing end cover, the outer end of the piston rod is provided with a buffer head, and the inner The end of the sleeve close to the base is provided with an opening, which communicates with the inner cavity of the inner sleeve and the annular flow channel, and the end of the double-tube structure close to the sealing end cap is provided with a connecting pipe, which communicates the annular flow channel with the inner cavity of the inner sleeve . It adjusts the damping force of the buffer device in real time according to the magnitude of the external impact force to achieve the optimal buffer energy absorption effect.

The invention discloses a fast-assembling expressway buffer guardrail, which comprises: a plurality of bases, which are evenly spaced and arranged on both sides of the expressway; a baffle; a plurality of uprights, which are set in one-to-one correspondence with a plurality of bases; a plurality of elastic buffer tubes, which are hollow cylinders with openings at both ends, and a plurality of elastic buffer tubes are sleeved on the plurality of uprights in one-to-one correspondence; and The guardrail board is horizontally hung on the outer wall of multiple elastic buffer tubes on the side facing the road surface of the expressway. The present invention realizes the rapid assembly of highway buffer guardrails through rationally arranged multiple bases, multiple pillars, multiple elastic buffer tubes and guardrail panels, and the structure of multiple elastic buffer tubes and guardrail panels has a good buffering and energy-absorbing effect .

The invention relates to a multi-directional bearing honeycomb structure buffer energy-absorbing device, comprising: a housing and a honeycomb filling structure; the honeycomb filling structure is installed inside the housing and connected to the housing; the honeycomb filling structure is a plurality of honeycomb filling structures An array structure composed of cells; the honeycomb cell includes a hollow regular hexahedron sheet, a hollow cuboid rectangular sheet and two intersecting single-sided sheets; the hollow regular hexahedron sheet constitutes the outer contour of the honeycomb cell, The hollow cuboid rectangular thin plate is embedded in the hollow regular hexahedron thin plate; the two single-sided thin plates are embedded in the hollow rectangular rectangular thin plate in a diagonal form. The present invention has a higher longitudinal bearing capacity, and has a certain load-bearing and energy-absorbing capacity for multi-directional and arbitrary angle loads. Compared with the traditional honeycomb structure, the multi-directional bearing capacity is improved, the applicable environment is wider, and the buffering and energy-absorbing effect is better. .