34results about How to "Shock absorbing effect" patented technology

The invention relates to a method for reinforcing a drop shaft in an underground mine producing area and belongs to the field of metal mine and rock engineering reinforcement. The method is characterized in that the movement track of ores in the drop shaft during the ore discharge process is fully considered, model experiments and theoretical analysis method are adopted for determining the property of impact action and an impact failure region to the well wall generated by the ores according to the height of the drop shaft and the diameter of the drop shaft, the drop shaft is hereby divided into four stress regions, namely a first impact failure region, a second impact failure region, a fault fracture zone region and a wear-out failure region, and different forms are further adopted for reinforcement. The method is especially applicable to reinforcement of the drop shafts in the producing areas under soft and broken surrounding rock conditions, can be used for significantly prolonging the service life of the drop shaft and has the advantages of safety in construction, simpleness and low cost.

The invention discloses an amphibious vehicle turnover suspension structure and an amphibious vehicle. The suspension structure comprises a frame (8); wheels (1); a suspension, which is arranged between the frame (8) and the wheels (1) and comprises an upper cross arm (3), a lower cross arm (2), a rotating shaft (4), a rocker arm (5) and a hydro-pneumatic spring (7), wherein one end of the hydro-pneumatic spring (7) is connected with the rocker arm (5), and the other end of the hydro-pneumatic spring (7) is installed on the frame (8); and an angular displacement feedback mechanism. The hydro-pneumatic spring integrating the suspension elastic element function, the shock absorber function and the turnover suspension driving power source function is adopted, the hydro-pneumatic spring is transversely arranged on the vehicle left and right, the shock absorption and buffering effect of land running of the amphibious vehicle is achieved, the wheel position is lifted when wheels sail on water, the wheel lifting position is fed back through an angle displacement sensor, and the stability of the wheel lifting height is guaranteed.

The invention belongs to the field of luggage, and particularly relates to conveniently-pulled luggage. The conveniently-pulled luggage comprises a luggage body, a drawbar, a controller, universal wheels, a climbing unit and an anti-skidding unit, wherein the drawbar and the controller are arranged on the top of the luggage body; the universal wheels are arranged under the luggage body; the left side of the luggage body is connected with the climbing unit and the anti-skidding unit; a cuboid-shaped mounting groove is formed in the left side of the luggage body; the drawbar is positioned on theleft side of the controller; the climbing unit is positioned on the left side of the anti-skidding unit; a drawing plate can be pulled on a stair sliding plate; the right upper part of the stair sliding plate is connected with a damping device; a telescopic element is used for pushing the climbing unit; the cuboid-shaped mounting groove is used for mounting a telescopic element; a motor is used for driving a positive rotation sliding block and a negative rotation sliding block to move on a bidirectional lead screw in the backward direction; the anti-skidding unit is used for supporting the luggage and also has a damping effect, so that the stability of the luggage is further improved; a clamping buckle is arranged on the left side surface of the luggage body and is used for retracting theanti-skidding unit.

The invention discloses a multifunctional sole with a replaceable antiskid cushioning device. The multifunctional sole comprises a sole body and a lower sole and is characterized in that the lower sole is arranged on the lower portion of the sole body, the sole body comprises a sole outer mold, a first embedding block and a second embedding block, the width of the first embedding block is larger than that of the second embedding block, the sole outer mold is provided with a first through hole matched with the first embedding block and a second through hole matched with the second embedding block, the first embedding block is embedded into the first through hole, the second embedding block is embedded into the second through hole, the lower surface of each of the first embedding block and the second embedding block is provided antiskid cushioning blocks, the length of the antiskid cushioning blocks is larger than the thickness of the lower sole, the lower sole is provided with third through holes corresponding to the antiskid cushioning blocks, and the antiskid damping blocks are inserted into the third through holes. Compared with the prior art, the multifunctional sole has the advantages that the service life of the sole is prolonged, and the sole has an efficient antiskid and cushioning effect.

The invention discloses a vibrating plate compactor provided with a shock-absorbing handrail. The side of the box body is fixedly connected with a rod sleeve, the bottom end of the inner chamber of the rod sleeve is fixedly connected with a first spring, and the end of the first spring away from the bottom side wall of the rod sleeve is fixedly connected with a support rod. In the present invention, by setting the handrails that can be shifted up, down, left, and right to a certain degree, the contact parts of the hands will not produce huge friction under violent shaking, and will not cause unnecessary wear and tear on the hands; the handrails are movably connected with support rods, and the The armrest and support rod can be rotated to adjust a certain angle to avoid the breakage of the armrest in the vibration environment. Avoid the deviation of the armrest and ensure the use effect of the body.

The invention provides an efficient noise reduction damping dry-type transformer which comprises clamps and a base. Iron cores are fixed on the clampers and fixedly limited by the clampers, high-voltage winding coils and a low-voltage winding coils are wound on the iron cores, the iron cores are arranged on the base, and a plurality of fans are detachably mounted on the base and positioned on twosides of the iron cores. The transformer is characterized in that the clamps comprise one group of elongated steel plates and fixed screws, fixed holes are formed in two ends of each elongated steel plate, the fixed screws penetrate the fixed holes to fix the clamps by the aid of a combined mode of screws and nuts, one group of elongated steel plates include two elongated steel plates with same shapes, an interlayer is arranged on one side surface of each elongated steel plate and can be elastically compressed or elastically expanded, and the thickness of each interlayer without being compressed or expanded is 4-5cm.

The invention provides a high-abrasion-resistant noise reduction dry-type transformer which comprises clamps and a base. Iron cores are fixed on the clampers and fixedly limited by the clampers, high-voltage winding coils and a low-voltage winding coils are wound on the iron cores, the iron cores are arranged on the base, and a plurality of fans are detachably mounted on the base and positioned ontwo sides of the iron cores. The transformer is characterized in that the clamps comprise one group of elongated steel plates and fixed screws, fixed holes are formed in two ends of each elongated steel plate, the fixed screws penetrate the fixed holes to fix the clamps by the aid of a combined mode of screws and nuts, one group of elongated steel plates include two elongated steel plates with same shapes, an interlayer is arranged on one side surface of each elongated steel plate and can be elastically compressed or elastically expanded, and the thickness of each interlayer without being compressed or expanded is 4-5cm.

The invention discloses a moisture-proof erhu storage box for a performance practical training room. The moisture-proof erhu storage box for the performance practical training room comprises a holdingbox and an upper cover. The upper cover is located on the upper side of the holding box, one side of the upper cover and the upper side of the holding box are connected in a rotating mode through a hinge, and the two sides of the hinge are fixedly connected with the holding box and the upper cover through bolts. Second clamping parts are arranged at the front end of the upper cover, fixedly connected with the upper cover through bolts and inserted into first clamping parts, and the first clamping parts are fixedly installed on the upper side of the holding box through bolts. An inner container is arranged inside the holding box, cylinders are arranged at the bottom end of the inner container, and cylinder fixing plates are arranged on the upper sides of the cylinders. The material of a foaming layer used by the moisture-proof erhu storage box is relatively flexible, the foaming layer can deform after the foaming layer is extruded, and therefore an erhu is conveniently fixed. Meanwhile, a certain shock absorption effect is achieved. When the storage box has the violent shock, springs can have an effect of shock absorption, and the erhu inside the storage box is protected.

The invention discloses intelligent high-end digitization die production equipment. The die production equipment comprises a workbench and four bases installed on the bottom surface of the installation workbench, wherein the bottoms of the bases are connected with the ground; two symmetrical straight plates are fixedly installed on the top of the workbench; a sliding rod is fixedly installed between the side surfaces, close to each other , of the two straight plates; two symmetrical sliding sleeves are movably connected to the outer surface of the sliding rod; a first spring is fixedly installed between one ends, close to each other, of the two sliding sleeves; two symmetrical connecting columns are fixedly installed at the top of the workbench; movable sleeves are movably connected to theouter surfaces of the connecting columns; and second springs are fixedly installed between the bottoms of the movable sleeves and the top surface of the workbench. According to the intelligent high-end digitization die production equipment, the position of a mounting plate on an XY axis coordinate system can be controlled and adjusted, so that a plurality of punching positions of the plate are punched without manually adjusting the plate, the operation is simple and convenient, and the machining efficiency of the equipment is improved.

The invention provides a portable transformer capable of moving freely. The portable transformer capable of moving freely comprises clamping pieces and a base, wherein an iron core is fixed on each clamping piece; each iron core is fixed and limited by the corresponding clamping piece, and is wound with a high-and-low-voltage winding coil; the iron cores are placed on the base; a plurality of fansare arranged on the base and are positioned on two sides of the iron cores; and a fan is mounted detachably. The portable transformer capable of moving freely is characterized in that each clamping piece comprises an elongated steel plate and fixing screws, fixing holes are formed in two ends of each elongated steel plate, the corresponding fixing screws penetrate through the corresponding fixingholes to fix each clamping piece by a screw and nut mode, each elongated steel plate comprises two elongated steel plate bodies which are in the same shapes, an elastically compressed or elasticallyexpanded partition layer is arranged on one side of each elongated steel plate body, and the thickness of each uncompressed or unexpanded partition layer is 4-5 cm.

The invention provides an automobile bumper. The automobile bumper is prepared from the following raw materials in parts by weight: 70 to 90 parts of a polypropylene matrix, 15 to 25 parts of a polyolefin elastomer, 3 to 5 parts of polyvinylpyrrolidone, 1 to 3 parts of glycerol, 1 to 3 parts of nano molybdenum disulfide, 0.5 to 1 part of nano silicon dioxide, 1 to 3 parts of graphene powder, 20 to 30 parts of absolute ethyl alcohol, 2 to 5 parts of alginate fibers, 1 to 3 parts of magnesium sulfate whiskers, 3 to 6 parts of lauryl acrylate, 1-3 parts of wollastonite and 0.5-1.5 parts of a titanate coupling agent. According to the prepared automobile bumper, through a two-phase composite system of a net structure and a hole structure, the requirement for light weight is met, and the excellent impact resistance, flame retardance and other performance are achieved.

The invention discloses a fixing stretcher for emergency treatment with an excellent damping effect. The fixing stretcher comprises a flat plate and a shock pad; a handle rod is arranged on the outersurface of one side of the flat plate; a handrail is arranged on the outer surface of the upper end of the flat plate; a fixing ring is arranged on one side, close to the handrail, of the outer surface of the upper end of the flat plate; an infusion support is arranged on the other side, close to the handrail, of the outer surface of the upper end of the flat plate; an oxygen bag containing box isarranged on the outer surface of the front end of the infusion support; fixing bolts are arranged on the outer surface of the upper end of a shock pad; a fixing plate is arranged on the outer surfaceof the lower end of the shock pad; and springs are arranged on the inner surface of the lower end of the shock pad. The fixing stretcher for emergency treatment with the excellent damping effect is provided with the shock pad, an outer clamping block and a telescopic rod, so that a damping effect can be achieved when the stretcher moves, the height of the stretcher can be adjusted, and universalwheels can be fixed. Therefore, use is convenient, the functionality of the stretcher is improved, and a better use prospect is achieved.

The invention discloses a graphene water-cooling heat dissipation packaging structure of an IGBT module, and the structure comprises a first chip, a second chip and filling resin; the outer sides of the first chip and the second chip are filled with the filling resin, and the top and bottom of the filling resin are provided with ceramic copper plates (high-performance Cu-MAX materials). The first chip and the second chip are welded between the ceramic copper plates; the substrate is installed on the sides, away from the filling resin, of the ceramic copper plates; the radiator is installed on the side, away from the ceramic copper plates, of the substrate; and the top surface and the bottom surface of each ceramic copper plate are both coated with graphene coatings. The invention specifically relates to the technical field of IGBT modules. The cooling effect is improved by arranging the cold box and the circulating box for water cooling heat dissipation, the spring pipe is arranged between the water cooling box and the circulating box, the spring pipe can enable water in the inner cavity of the water cooling box to pass through the bent spring pipe for heat dissipation, the time for the water in the inner cavity of the water cooling box to enter the inner cavity of the circulating box is prolonged, and the heat dissipation time is shortened.

The invention discloses metal material compression molding equipment, and relates to the technical field of mechanical manufacturing. The metal material compression molding equipment comprises a shell, a case is fixedly mounted on the inner wall of the bottom end of the shell, a hydraulic cylinder is fixedly mounted in the case, the output end of the hydraulic cylinder is fixedly connected with a moving plate, and the upper surface of the moving plate is fixedly connected with a supporting rod; and a lower mold is fixedly connected to the other end of the supporting rod, a rack is fixedly installed on the upper surface of the case, and an upper mold is fixedly installed on the lower surface of the top end of the rack. According to the metal material compression molding equipment, the hydraulic cylinder drives the moving plate to move downwards, the moving plate drives the lower mold to move downwards through the supporting rod, the lower mold is separated from the upper mold, meanwhile, the lower mold moves downwards, the position of an ejector plate is fixed, the ejector plate ejects a compression molding metal material in the lower mold out, and a finished product above a demolding plate is pushed out of the lower mold, so that the compression molding finished product is not damaged, and demolding is convenient and rapid.

The invention discloses a damping mounting base of electrical equipment for wind power generation, and belongs to the technical field of electrical equipment. The damping mounting base of the electrical equipment for wind power generation comprises a mounting base, bolts are downwards arranged at the four corners of the top face of the mounting base, a fixing frame is arranged in the middle of the top face of the mounting base, and sliding grooves are formed at the positions, opposite to the bottom face of the fixing frame, of the top face of the mounting base in a front-back symmetrical structure. Limiting grooves are upwards formed at the positions, opposite to the sliding grooves, of the four corners of the bottom face of the fixing frame, damping assemblies are arranged in the limiting grooves, and a fixing assembly is arranged in the fixing frame. Limiting pipes are filled with gas, when the fixing frame vibrates, limiting rods and pistons can slide up and down in the limiting pipes, exhausting is achieved through limiting holes, it is guaranteed that the air pressures in the limiting pipes at the upper ends and the lower ends of pistons are the same, the sliding amplitude of the limiting rods and the pistons is reduced through the limiting holes, and the damping effect is improved through air damping.

The invention discloses a precision cutting technology for small parts with complex profiles, and relates to the technical field of machining of the small parts with the complex profiles. The precision cutting technology is used for solving the problem that when an existing small part with a complex profile is cut, the cutting precision is reduced due to the fact that the existing small part is prone to be affected by vibration. The precision cutting technology for the small parts with the complex profiles is realized on the basis of a precision cutting device for the small parts with the complex profiles. The precision cutting device for the small parts with the complex profiles comprises a machine base, a transfer platform, a mounting base, a clamping base, a transmission gear set, a first driving motor, a machine frame, a Y-axis moving mechanism, a Z-axis moving mechanism, a tool apron, a mounting groove, sliding rails, an X-axis moving mechanism, rubber shock absorbers, a purging pipe, a control panel, a PLC control module and a second driving motor. The clamping base comprises a cutting platform, a supporting platform, installation columns, supporting bases, air cylinders, chucks and a transmission shaft.

The invention discloses a shockproof dry-type transformer, and relates to the field of transformers. The shockproof dry-type transformer comprises a supporting bottom plate; an isolation bottom plate is horizontally and fixedly adhered to the bottom surface of the supporting bottom plate; extension grooves are uniformly formed in the side edge of the supporting bottom plate; and fixing through holes are formed in the bottom surfaces of the inner sides of the extension grooves. A clamping top groove is horizontally formed in the top face of the supporting bottom plate; a damping rubber ring is fixedly bonded to the inner side edge of the clamping top groove; a clamping top block is horizontally clamped to the inner side edge of the damping rubber ring; a sealing side plate is horizontally connected to one side edge of the clamping top block through a bolt; a top sleeving groove is horizontally formed in the top face of the clamping top block; a sleeving glue layer is fixedly bonded to the inner side edge of the top sleeving groove; and a main supporting block is horizontally clamped to the inner side edge of the sleeving glue layer. The transformer is designed to be split and is simple in structure and convenient to operate, installation is easier and more convenient by adopting a buckling mode, and meanwhile the damping effect is better by adopting multiple damping isolation modes.

The invention discloses metal material compression molding equipment with a cooling function, and relates to the technical field of mechanical manufacturing. The metal material compression molding equipment comprises a shell, a case is fixedly mounted on the inner wall of the bottom end of the shell, a hydraulic cylinder is fixedly mounted in the case, and the output end of the hydraulic cylinder is fixedly connected with a moving plate. The upper surface of the moving plate is fixedly connected with a supporting rod, the other end of the supporting rod is fixedly connected with a lower mold, the upper surface of the machine box is fixedly provided with a machine frame, and the lower surface of the top end of the machine frame is fixedly provided with an upper mold. According to the metal material compression molding equipment with the cooling function, the hydraulic cylinder drives the moving plate to move downwards, the moving plate drives the lower mold to move downwards through the supporting rod, the lower mold is separated from the upper mold, meanwhile, due to the fact that the lower mold moves downwards, the position of an ejection plate is fixed, the ejection plate ejects out compression molding metal materials in the lower mold, and a finished product above a demolding plate is pushed out of the lower mold, so that the compression molding finished product is not damaged, demolding is convenient and rapid, and cooling is achieved.

The invention provides a dry-type transformer with heat radiation and noise reduction functions. The dry-type transformer comprises clamps and a base. Iron cores are fixed to the clamps respectively,and are fixedly limited by the clamps. A high-and-low-voltage winding coil is wound around each iron core. The iron cores are arranged on the base. A plurality of fans are arranged at positions, on two sides of the iron cores, of the base, and are mounted in a detachable mode. The dry-type transformer is characterized in that each clamp comprises a group of elongated steel plates and fixing screws; a fixing hole is formed at each of two ends of each elongated steel plate; the fixing screws penetrate the fixing holes to fasten the clamps through screws and nuts; each group of the elongated steel plates includes two elongated steel plates same in structure; an elastically-compressible or elastically-expansible separation layer is arranged on one side surface of each elongated steel plate; the thickness of each separation layer is 4-5cm when the corresponding separation layer is not compressed or expanded.

The invention discloses an inkjet printer bracket with a damping effect. The inkjet printer bracket comprises a bottom bracket and supporting columns. The outer sides of supporting rods are in cup joint with damping springs. Damping cushions are connected between the supporting columns and the damping springs. The bottom of the bottom bracket is fixedly connected with a base. A horizontal measuring instrument is arranged on the top of the bottom bracket. The periphery of the bottom of the base is connected with electric telescopic rods, and the outer sides of the electric telescopic rods are connected with rubber cushions. Vibration generated by an inkjet printer can be reduced through the damping springs, the damping effect can be improved through the damping cushions, the effect of damping the whole bracket can be achieved, and vibration reduction of the inkjet printer is guaranteed. The horizontal measuring instrument can be used for measuring the horizontality of the inkjet printerbracket, and the placing horizontality of the inkjet printer is guaranteed; static electricity removal can be conducted on the bottom of the inkjet printer and the bottom of the bracket, static electricity is prevented from being generated in the inkjet printer during usage, and protection is generated for inkjet printer usage.

The invention discloses an ointment-like medicine storage device for surgical nursing. The device comprises a base, universal wheels are arranged on the lower surface of the base, a box is arranged onthe upper surface of the base, a fixing frame is arranged on the upper surface of the box, a condenser is arranged on the fixing frame, a sealing door is arranged on the front end surface of the boxand fixedly connected with the box through hinges, a safety lock is arranged on the front end surface of the sealing door, a shock absorption layer is arranged in the box, a cooling layer is arrangedin the shock absorption layer, a containing bin is formed in the cooling layer, U-shaped clamping plates are arranged on inner walls of two sides of the containing bin, a placing plate is arranged between the U-shaped clamping plate, and the two ends of the placing plate is in clearance connection with U-shaped grooves in inner sides of the U-shaped clamping plates. By arrangement of a cooling pipe, the temperature in the box is lower than normal temperature to protect and store ointment-like medicines, and the device is simple in structure and convenient to operate.

The invention relates to a multi-item adjustable ultrasonic needle, belongs to the field of medical instruments, and solves the problems that in the existing ultrasonic needle technology, the requirement for the stability of the hand of a doctor is high, the operation difficulty is large, and when a patient deviates due to unconsciousness or collision and the like, a puncture needle deviates in pathological tissue, and the operation difficulty is high. And the problem of wound tearing caused by puncture is solved. According to the scheme, the device comprises an ultrasonic needle and an adsorption frame installed on the side portion of the ultrasonic needle, the adsorption frame is used for adsorption fixation between the ultrasonic needle and a patient, the ultrasonic needle and the patient are kept in a relatively static state, the ultrasonic needle comprises a needle cylinder, a needle head assembly and a puncture assembly, and the needle head assembly is switched between a working state and a hidden state. The puncture assembly is used for being operated by a doctor to drive the needle assembly to be switched between the working state and the hidden state, and the operation mode of the puncture assembly comprises a coarse adjustment mode and a fine adjustment mode.