32results about How to "Good shock resistance and cushioning performance" patented technology

The invention discloses an anti-seismic buffering lightning-proof signal tower device comprising a support pedestal, a support sleeve, an arc-shaped clamp block, a current-limit lightning rod and a signal tower body; a first slide block and a second slide block are respectively horizontally arranged in the support sleeve cavity in a slide mode, and connected via a spring; one end, arranged in thesupport sleeve cavity, of a press rod is fixedly arranged on the second slide block; one end, far away from the support sleeve, of the press rod is fixedly provided with the arc-shaped clamp block. The device uses an adjusting handle to rotate a screw rod, thus pushing the first slide block to move in a direction close to the second slide block in the support sleeve cavity, and keeping the springin a contracted state; the elastic force of the spring enables the concave surface inner wall of the arc-shaped clamp block and the outer wall of the signal tower body to always attach to each other.The anti-seismic buffering lightening-proof signal tower device is good in a support fixing effect; the spring is arranged so as to provide an excellent anti-seismic buffering effect for the vibrations formed by the signal tower body, thus prolonging the signal tower body service life.

The invention belongs to the technical field of polyurethane materials, and specifically relates to a composition for polyurethane boxing glove filler and a preparation method of the composition. The composition for the polyurethane boxing glove filler is prepared from a component A and a component B, wherein the component A is prepared from slow-rebound polyether polyol, polyurea polyol, high activity polyether polyol, a chain extender, a foam stabilizer, a foaming agent, a catalyst, an antioxidant, a light stabilizer and a solid filler; the component B is prepared from polyether polyol, isocyanate and a storage stabilizer. According to the composition for the polyurethane boxing glove filler, the all-water-blown formula design is performed, so that the ozone depletion potential ODP is zero, the prepared composition is nontoxic and protects the environment and is an environmentally-friendly material; the prepared polyurethane boxing glove products are outstanding in knock resisting and buffering performance and high in bearing rebound capacity, and therefore, the wrist and fingers can be prevented from being injured during boxing.

The invention discloses a novel collision steering multistage energy absorption anti-collision beam. The novel collision steering multistage energy absorption anti-collision beam comprises a main driving side anti-collision beam combination, an auxiliary driving side anti-collision beam combination, a connecting spring, a three-section type buffer support, a fixed hinge support, a supporting plate, a supporting connecting rod, a buffer spring, a sleeve, a supporting cross beam, a reset spring and a supporting longitudinal beam. The anti-collision beam combination is divided into a first anti-collision beam and a second anti-collision beam, and the multi-buffering anti-seismic effect can be achieved through the three-level buffering energy absorption structure of the anti-collision beam combination, the three-section type buffer support and the buffer spring; during offset collision, the design system can utilize external collision force to generate force which is perpendicular to the collision direction and horizontally faces the non-collision side to the vehicle body, so that the vehicle head moves towards the non-collision side, head-on collision is relieved to reduce the damagedegree of the vehicle body, and the anti-collision beam combination is reset under the action of the reset spring after collision to prevent secondary collision. According to the design, the absorption of the anti-collision beam system to automobile collision impact energy is improved, the damage of external collision force to an automobile body is reduced, the collision energy absorption rate isimproved, and particularly, the safety level of offset collision of the automobile is improved.

The invention relates to the technical field of automobiles and discloses an automobile protection rod formed by polyethylene blowing and a surface coating method thereof. The automobile protection rod comprises an integrated rod body formed by hollow polyethylene blowing. The rod body is coated with a decoration layer. The surface coating method of the automobile protection rod comprises the steps of (1) surface treatment; (2) priming paint spraying; (3) finishing paint spraying. In the surface treatment step, a flame gun is adopted for carrying out activating treatment on the surface of the rod body, the temperature of a flame treating head of the flame gun is 1000 DEG C, and the moving speed of the flame treating head is 0.1 m / s. By adopting hollow polyethylene blowing formation, the mobility is good, formation is easy, the cost is low, the weight is lighter, the shock resistance and buffer performance is good, the structure is integrated, the number of parts on the rod body is effectively reduced, and the assembly process of the automobile protection rod is simplified. In addition, the rod body undergoes surface treatment in advance, so that the problem that the surface coating performance of polyethylene material is poor is solved, and the automobile protection rod is customizable in appearance and good in surface weather resistance.

The invention discloses rubber tyre and relates to the field of rubber tyre. The rubber tyre comprises a tyre main body. A rib layer is arranged on the inner side of the surface of the tyre and inner sides of the two sides of the tyre, the outer side of the surface of the tyre is provided with a concave layer, the rib layer comprises ribs staggered laterally, and the concave layer comprises two longitudinal concave grains and two wave-shaped concave grains, wherein the two wave-shaped concave grains are arranged between the two longitudinal concave grains. The ribs staggered laterally are arranged at joints of the inner bottom surface and the two inner sides so that vehicle wheel wear resistance is improved and a service life is prolonged. The concave grains on the outer bottom surface improve friction between the vehicle wheel and the ground. The rubber tyre has a simple design and a low cost. The rubber tyre is suitable for small vehicles such as trolley, luggage case and baby stroller.

The invention relates to a packing box for numerical control motors. The packing box comprises a base plate (10), an upper box (20) and a buffering filling body, wherein the buffering filling body comprises a bottom positioning mechanism (40), two side buffering mechanisms (50), a front end positioning mechanism (60), a rear end supporting mechanism (70) and a top buffering mechanism (80); and the bottom positioning mechanism (40) is provided with a positioning mechanism (41) for positioning the front end positioning mechanism (60). Through the technical scheme, the novel packing box has highadaptability, can meet the packing requirements of different types of numerical control motors, has a good anti-vibration buffering effect, and fully ensures the safety of the numerical control motors.

The invention discloses an X-ray copper foil coating thickness measuring instrument. The thickness measuring instrument includes several thickness measuring mechanisms and a control cabinet. Each thickness measuring mechanism comprises a fixed support, each fixed support includes an upper cross beam, a stand column and a base, each stand column is vertically installed on one side of the corresponding base, the upper cross beams are vertically installed at the tops of the stand columns, the upper cross beams are parallel to the bases, and the upper cross beams, the stand columns and the bases are connected to form a C-shaped structure, the bottoms of the bases are provided with buffer bases, the bottoms of the buffer bases are provided with pulleys matched with sliding rails, upper slidingrails are arranged on the inner sides of the upper cross beams, lower sliding rails are arranged on the inner sides of the bases, X-ray sources are slidably connected with the upper sliding rails, thelower sliding rails are slidably connected with detectors symmetrical to the X-ray sources, and the thickness measuring mechanisms are connected with the control cabinet. The structure design is novel, thickness measuring mechanisms can be achieved, the instrument has strong operational stability, multi-point measurement of products can be achieved through the thickness measuring mechanisms and the cost is saved.

The invention relates to a projection lamp. The projection lamp comprises a casing, wherein a circuit board and a lens assembly are arranged in the casing; the casing comprises a casing front cover and a casing rear cover, the casing front cover comprises a first end cover and an inner side wall integrally arranged with the first end cover, and the casing rear cover comprises a second end cover and an outer side wall integrally arranged with the second end cover; the end part, opposite to the first end cover, of the inner side wall is in a first shape, and a seal washer is arranged between the casing front cover and the casing rear cover and has the first shape; an elastomer is arranged on the inner side wall and deforms inwards to enable the inner side wall to enter the casing rear cover more easily when the casing front cover and the casing rear cover are matched; meanwhile, the seal washer abuts against the inner surface of the second end cover to form a first chamber for mounting the lens assembly and the circuit board.

The invention provides an anti-seismic house foundation. The anti-seismic house foundation comprises a house foundation body, wherein support beam piers are arranged on the left side of the house foundation body and the right side of the house foundation body respectively, and the support beam piers are of stepped structures; the house foundation body is composed of a flat layer and a stepped layer; a plurality of bearing blocks are arranged at the bottom of the house foundation body, and the bearing blocks are cuboid-shaped; flat layer damping pads are arranged between the flat layer and thesupport beam piers, stepped layer damping pads are arranged between the stepped layer and the support beam piers, bearing block damping pads are arranged between every two adjacent bearing blocks, andbearing block damping pads are arranged between the bearing blocks and the support beam piers; and steel plates arranged in the horizontal direction and steel plates arranged in the vertical direction are pre-buried in the support beam piers. The anti-seismic house foundation is scientific and reasonable in design, the damping pads are additionally arranged in the different structures so that thehouse foundation body can make elastic contact with the support beam piers, and therefore the anti-seismic buffering effect is obvious, the stability of the house during the earthquake is good, and the building body is effectively prevented from being damaged.

The invention discloses a TPE-base composite film material. The TPE-base composite film material comprises, by weight, 100-120 parts of SEBS, 40-80 parts of PP, 10-30 parts of toughening material, 10-20 parts of cellulose-type adhesive, 3-10 parts of compound stabilizer, 10-30 parts of extending oil, 5-10 parts of paraffin lubricant and 1-2 parts of antioxidant. A TPE-base composite film prepared according to the formula is excellent in elastomeric performance, good in adsorption capacity for rolling core pipes and high in fit performance and can be used for being attached to buffer layers of some high-precision optical films to guarantee that the high-precision optical films are free of creases when wound on the TPE-base composite film.

The invention belongs to the technical field of polyurethane materials, and specifically relates to a composition for polyurethane boxing glove filler and a preparation method of the composition. The composition for the polyurethane boxing glove filler is prepared from a component A and a component B, wherein the component A is prepared from slow-rebound polyether polyol, polyurea polyol, high activity polyether polyol, a chain extender, a foam stabilizer, a foaming agent, a catalyst, an antioxidant, a light stabilizer and a solid filler; the component B is prepared from polyether polyol, isocyanate and a storage stabilizer. According to the composition for the polyurethane boxing glove filler, the all-water-blown formula design is performed, so that the ozone depletion potential ODP is zero, the prepared composition is nontoxic and protects the environment and is an environmentally-friendly material; the prepared polyurethane boxing glove products are outstanding in knock resisting and buffering performance and high in bearing rebound capacity, and therefore, the wrist and fingers can be prevented from being injured during boxing.