557results about How to "With shock absorption" patented technology

The invention relates to an external skeleton assisting robot, in particular to a portable energy-storage type external skeleton assisting robot. The problems that an existing lower limb external skeleton assisting robot worn on the human body is poor in assisting effect so that the loading capacity of the human body can be reduced, the wearing comfort for the human body is poor, the universality is poor, and the field environmental suitability is poor are solved. The portable energy-storage type external skeleton assisting robot comprises the upper body back, the left leg and the right leg, and the left leg and the right leg respectively comprise a hip driving system, a thigh driving system and a shank wearing system. A hip joint energy-storage mechanism comprises a connecting base, a stretching rod, a second spring and a stopping sheet, and a first bevel gear is meshed with a second bevel gear. Each hip driving system comprises a second motor with a coder, a second reducer, a third bevel gear, a fourth bevel gear, a thigh connecting rod, a knee joint support, a knee joint connecting plate, an angle sensor, a series connection elastic combination body, a knee joint gearbox body, a knee joint shaft and an end cover. The portable energy-storage type external skeleton assisting robot is suitable for being worn outdoors for walking assisting.

The invention discloses an anti-shock damping safety seat. The both sides at the bottom of a seat main body are connected with a supporting plate through damping rods; the back surface of the seat main body is in sliding connection with a back plate through a damping connecting piece; the damping connecting piece comprises a connecting block, a damping spring group, a silica gel layer and a sliding block; one side of the connecting block is fixedly connected with the back surface of the seat main body, while the other side of the connecting block is connected with the silica gel layer through the damping spring group; one side of the silica gel layer is connected with the sliding block; a sliding chute in fit with the sliding block is formed in the back plate; a fixing base is coated with a first anti-collision bag; the first anti-collision bag is filled with a buffer material; a buffer bag is arranged in the fixing base and filled with a buffer gas generating material; second anti-collision bags are arranged on the back surface and the bottom surface of the seat main body and are filled with an energy absorbing material; arc-shaped rubber layers are arranged on the outer sides of the second anti-collision bags. The anti-shock damping safety seat, disclosed by the invention, is better in shock resistance, good in buffering and damping effect, capable of automatically recovering within a certain range, and good for protecting human body.

The invention discloses a convenient method for preparing binder-free stannic oxide/carbon fibrofelt for a negative pole of a high-performance lithium ion battery. The method disclosed by the invention comprises the following steps: dissolving polyacrylonitrile and stannous chloride which have certain concentrations to a N'N-dimethyl formamide solution, magnetically stirring the solution of polyacrylonitrile, the stannous chloride and the N'N-dimethyl formamide solution until the solution is clarified, electrostatically spinning the solution, and finally annealing the obtained solution which is obtained at a high temperature twice to obtain Sn-SnOx uniformly loaded nanometer composite materials of the carbon fibrofelt. For a compound which is prepared by the method disclosed by the invention, since the electrostatic spinning method is adopted, nanometer particles of metal-metallic oxide are uniformly dispersed into buffer substrate carbon fiber, and the circulation specific capacity and the stability of materials for the negative pole of the lithium ion battery are effectively improved. The preparation technology disclosed by the invention has the advantages that the operation is simple, the cost is low, the efficiency is high, the large-scale and industrial production is easy to realize, and the application range is broad.

The invention discloses a cement-based adhesive which consists of an inorganic gel, elasticity modulus filler, sand and a dry-mixed mortar additive, wherein the mass percentages of the various components in the adhesive are as follows: 35-45% of inorganic gel, 15-30% of elasticity modulus filler, 17-47% of sand, 3-8% of dry-mixed mortar additive and the balance of water. The cement-based adhesive disclosed by the invention has the following beneficial effects that by adding the low elasticity modulus filler which has the advantages of good elasticity, shock-proofing, sound insulation and the like, the cement-based adhesive has the characteristics of shock absorbing, noise reduction and the like, so that a problem of noise generated from the collision of ceramic tiles in a public place is relieved; in addition, the cement-based adhesive provided by the invention also solves the problems of low compressive strength, low bonding strength and the like of the adhesive after the low-modulus filler is added; shearing strength on the interfaces of the ceramic tiles caused by heat expansion and cold contraction is reduced and the bonding durability of the ceramic tiles on the basis of shock absorbing and noise reduction is improved; therefore, the cement-based adhesive is quite high in promotional value.

The invention discloses a patrol machine for expressway law enforcement. An existing mobile patrol system is unstable in traveling and can not well pass through obstacles, and a camera of the mobile patrol system has dead zones during shooting. A power device drives a traveling device; for the traveling device, the end faces of a power single side wheel, an upper transmission single side wheel and lower transmission single side wheels are each provided with a flange; an auxiliary fixing device presses a rack on a fence through an auxiliary wheel and a shock absorber; a monitoring device comprises an electric cradle head, a camera, an infrared detector and an alerter; a control unit comprises a box body and a central control unit, a traveling control unit, a power management unit, a GPS locator, an image processing unit, a storage unit and an alarm unit which are integrated in the box body. The patrol machine for the expressway law enforcement can travel on the fence stably and get over the obstacles, the buffering function is achieved, the camera can shoot by 360 degrees without the dead zone, shooting information can be sent back to a background management system for analyzing, and scientific pre-warning is achieved.

The invention relates to a wheel type robot with a walking system, and the walking system is formed by combing foot type walking devices with a driving device and is connected with a fixing frame (7); each foot type walking device is composed of a follower gear (1), a leg type supporter and a hanging mechanism (15) provided with wheels (16). One connection point of the leg type supporter is hinged with an eccentric point of the follower gear (1), and the other connection point of the leg type supporter is hinged with the connection point of the hanging mechanism; the number of the foot type walking devices is at least two, and the hanging devices (15) of at least two foot type walking devices are provided with electric motors (19) for driving wheels (16) to rotate; the driving device is provided with a main electric motor and a main drive shaft (6) which is provided with a main drive gear (4) engaged with the follower gear (1). The wheel type robot with the walking system has the characteristics of high motion velocity, simple control and flexible turning, and has the function of foot walking, so that the robot has more adaptive capacity to the ground.

The invention relates to an aerogel composite board and a preparation method thereof. The composite board comprises a panel, a bottom board, and skeletons which are positioned between the panel and the bottom board and are crossed to form a plurality of cavities. The preparation method comprises the steps of coating a binding agent at one side of the bottom board so as to bind the skeletons with the bottom board; filling the cavities of the skeletons with silica aerogel; coating a binding agent at one side of the panel and binding with the skeletons filled with the silica aerogel. The aerogel composite board and the preparation method thereof have the advantage that the mechanical strengths of the panel, the bottom board and the whole composite board are improved by adopting a structure of enabling the skeletons as a center and compounding boards up and down; the coefficient of thermal conductivity of is reduced to 0.010-0.020 (W/m.k) through the aerogel evenly distributed in the cavities of the skeletons, so that the composite board is superior to various heat-insulating materials, and is next only to a vacuum insulating board; The application range of the composite board application scope is widespread, such as industry, the external walls of buildings, interior decoration, traffic transportation vehicles and ships.

The invention provides a tri-body skimming boat, composed of a main boat body and two supplementary plate bodies in the same size. The supplementary plate body is symmetrically connected at the two sides of the boat body through a longitudinal curvature variable channel from the position 10-25% of boat length away from the bow, and the main boat body is provided with an air bleeding slot adjacent to the longitudinal curvature variable channel. The tri-body skimming boat of the invention is characterized in that only one main boat body is arranged at the bow, the supplementary plate is connected with the main boat body through the longitudinal curvature variable channel from the position close to the bow, and the tri-body skimming boat is in high-speed type. The invention can be widely applied to inland rivers, lakes, coastal areas and severe sea condition and sea area where a conventional boat can not navigate and has a broad application prospect.

The invention discloses a high-performance concrete admixture in use of waste ceramic powder and an implementing method thereof. The high-performance concrete admixture is prepared by the following steps: utilizing waste ceramics as a main material and utilizing active seed crystals and a modified enhancer as auxiliary materials; performing modified treatment and high-temperature smelting on various materials, then putting into a cement mill to mill the materials to be pre-finished products with specific area of 300-450 m2/kg, and finally, doping mixed fibers. The high-performance concrete admixture comprises the raw materials in parts by weight: 80-100 parts of waste ceramic powder, 6-9 parts of active seed crystal, 2-6 parts of modified enhancer and 5-10 parts of mixed fibers. By adopting mixed ceramic powder, density of cement mortar is effectively increased; strength of concrete is improved and durability of concrete is remarkably improved. Energy problems are solved, and meanwhile, an environmental protection purpose is considered; the high-performance concrete admixture has remarkable technical, economic and social benefits.

The invention discloses a preparation method of a polyurethane pervaporation phenol/water separating membrane compounded by inorganic particles, and belongs to the field of pervaporation membrane separation. The polyurethane membrane basic material is obtained by polymerizing and mixing monomer hydroxyl-terminated polybutadiene, toluene diisocynate, 4,4'-diamine diphenylmethane solution, cyclodextrin and silica or carbon fiber powder. The preparation method comprises the following steps: reacting hydroxyl-terminated polybutadiene with toluene diisocynate to obtain blocked prepolymer, then adding 4,4'-diamine diphenylmethane solution and cyclodextrin as chain extenders to perform the chain extension, and adding inorganic modified particle silica or carbon fiber powder (using N,N-dimethylacetamide as solvent) to obtain prepolymer solution of polyurethane; casting the solution on a polyfluortetraethylene plate to form a membrane, solidifying for 1-1.5 hours at room temperature, and moving the membrane to an oven at 80 DEG C to thermally treat to obtain the polyurethane membrane compounded by inorganic particles. The preparation method disclosed by the invention is simple in process, and the prepared membrane has good heat and chemical stability and mechanical property.

A bridge damping blocking tenon device can satisfy the horizontal lateral-pushing resisting rigidity of a bridge body under normal service condition of vertical direction, crosswise direction and longitudinal direction under normal impact load, and further can consume energy in the vertical direction, so as to effectively improve the earthquake resistance of a bridge. The bridge damping blocking tenon device comprises a sleeve, elastic steel plates and a damping blocking tenon; the damping blocking tenon comprises a lower conical column structure section and an upper rectangular structure section; the upper parts of the upper rectangular structure section and the lower conical column structure section are arranged in the rectangular inner cavity of the sleeve; the semi-lunar elastic steel plates are arranged on two sides of the upper part of the lower conical column structure section in the transverse direction of the bridge, the upper ends of the elastic steel plates are blocked in the intersection part of the upper rectangular structure section and the lower conical column structure section, and the lower ends of the elastic steel plates are blocked between the bottom surface of the rectangular inner cavity of the sleeve and the lower conical column structure section. The side wall of the sleeve is fixedly connected to a base plate and is connected with the transverse side wall of the bridge body by high-strength bolt assemblies. The lower end of the lower conical column structure section is fixedly connected with a mounting base and is fixedly connected with a pier stud by high-strength bolt assemblies.

The invention discloses a flame retardant low foaming polypropylene material and a preparation method thereof. The material comprises, by mass, 10 to 90% of polypropylene, 5 to 30% of a thermally decomposing inorganic substance, 3 to 40% of a halogen-free fire retardant, 1 to 20% of a thermoplastic elastomer, 0.1 to 1% of an anti-oxidant, 0.1 to 3% of a lubricant and 0 to 5% of a functional auxiliary agent. According to the invention, the inorganic substance with low thermal decomposition temperature is added into a polypropylene resin as a foaming agent, and water vapor generated in the decomposition of the inorganic substance is utilized for formation of bubbles; the halogen-free fire retardant is added at the same time, which enables the polypropylene resin to have a certain degree of flame resistance, thereby enlarging the utilization scope of the polypropylene resin; a pre-foaming polypropylene material is obtained through blending fusion extrusion and granulation of an obtained mixture with an extruder, and then a variety of foaming products are produced by utilizing molding equipment like injection molding or mould pressing equipment.

The invention provides an environment-friendly building gravel smashing device and belongs to the field of buildings. The environment-friendly building gravel smashing device comprises a smashing box,smashing rollers, a filtering net, a dust suction pipe, a washing box, wheels, a suction pump, a dust collecting box and a plurality of smashing blades, wherein the wheels are disposed on wheel seatsand can roll in the wheel seats; the smashing box is welded to the upper ends of two supports; the multiple smashing blades are welded to a smashing shaft; the smashing rollers are fixedly disposed on rotary shafts and disposed in a material guiding box; the filtering net is fixedly disposed in the right side of the upper end wall of the smashing box; the dust collecting box is welded to the right side surface of the smashing box; the suction pump is fixedly disposed on a supporting plate; and the washing box is fixedly disposed on the right side of the upper end of the supporting plate. Theenvironment-friendly building gravel smashing device is reasonable in design, a two-level smashing design is adopted, the smashing effect is good, filtering and washing are performed at the same time,dust can be effectively filtered out, the working environment is improved, and the incidence rate of lung disease of workers is lowered.

The invention relates to a CPE/CPVC rubber-plastic thermal-insulation material and a preparation method thereof and belongs to the field of polymer synthesis and processing application. The CPE/CPVC rubber-plastic thermal-insulation material is prepared from 100 parts by mass of CPE/CPVC resin, 1.5-10 parts by mass of a stabilizing agent, 0.3-3 parts by mass of a composite lubricant, 10-50 parts by mass of a plasticizer, 0.3-5 parts by mass of a foaming agent, 0.4-1.0 part by mass of a foaming aid, 1-4 parts by mass of a foaming adjustment agent, 0-15 parts by mass of a fire retardant and 0-20 parts by mass of a filling material. The CPE/CPVC rubber-plastic thermal-insulation material has excellent performances such as softness, flexing damage resistance, cold resistance, heat resistance, flame retardation, water resistance, low heat-conduction coefficient, cushioning effect and sound absorption and has ideal use effects in the aspect of thermal insulation for heat loss prevention. The preparation method of the CPE/CPVC rubber-plastic thermal-insulation material is simple and continuous, has high production efficiency, is suitable for streamline batch production and can be widely used in industries of building, light textile, medicine, chemical engineering, metallurgy and ship-building.

The invention discloses an anti-collision device for a house building aseismic joint and relates to the technical field of house buildings. The device comprises a first wall and a second wall, a buffer device is arranged between the first wall and the second wall and comprises damping layers, mounting plates, buffer springs, first rotation rods, second rotation rods and a buffer rod, and each mounting plate is fixedly connected to one side of the corresponding damping layer; the middle of one side of each mounting plate is fixedly connected to one end of the corresponding buffer spring, the corresponding first rotation rod is arranged at the upper end of one side of each mounting plate, and the corresponding second rotation rod is arranged at the lower end of one side of each mounting plate. According to the anti-collision device for the house building aseismic joint, through the damping layers, the mounting plates, the buffer springs, the first rotation rods, the second rotation rodsand the buffer rod, during an earthquake, collision of buildings can be effectively reduced, the device has the damping effect so that the building cannot be damaged, and the problem is solved that under the effect of the earthquake, the buildings at the two sides of an existing house building aseismic joint are easily collided.

The invention discloses a high-flame-retardant bubble heat insulation material. A flame-retardant polyethylene bubble layer is used as a middle basic layer, a first flame-retardant polyethylene layer is attached to the upper surface of the flame-retardant polyethylene bubble layer, a flame-retardant polyester polymer film layer is attached to the upper surface of the first flame-retardant polyethylene layer, a first aluminum film layer is attached to the upper surface of the flame-retardant polyester polymer film layer, a second flame-retardant polyethylene layer is attached to the lower surface of the flame-retardant polyethylene bubble layer, a flame-retardant woven cloth layer or a flame-retardant non-woven layer which is made of polyethylene or polypropylene and has the thickness of 10-100 microns is attached to the lower surface of the second flame-retardant polyethylene layer, and a second aluminum film layer is attached to the lower surface layer of the flame-retardant woven cloth layer or the flame-retardant polyethylene layer. The high-flame-retardant bubble heat insulation material has excellent performance, such as high flame retardation, high heat insulation, high corrosion resistance, high strength, shock absorption, and the like.

The invention discloses an ore crushing device with a dust prevention structure for mine mining. The ore crushing device with the dust prevention structure for mine mining comprises a first crushing cavity, a second crushing cavity, a filter plate, a flowing guide dust prevention plate and a filter screen. A feeding port is formed in the upper end of the first crushing cavity, a second rotary shaft is connected to the output end of a second driving motor, the filter plate is mounted in the second crushing cavity, discharging ports are formed in the lower ends of the first crushing cavity and the second crushing cavity, and valves are mounted on the surfaces of the discharging ports. The head and tail ends of the filter screen are connected with the inner wall of a material collecting box through mounting blocks, and a damping device is mounted between supporting frames. According to the ore crushing device with the dust prevention structure for mine mining, a main position rod can be driven to rotate in the function of driving motors, a first time of striking and stirring for crushed stone is facilitated, so that the crushed stone generates cracks, each surface of the crushed stonecan be struck completely, so that convenience is brought for the subsequent crushing working, and the improvement of the working efficiency of ore crushing is facilitated.

The invention relates to an ice and snow removing device, in particular to a combined ice and snow removing device for breaking and crushing ice and snow and blowing snow. The combined ice and snow removing device for breaking and crushing ice and snow and blowing snow is characterized in that an ice and snow breaking part is arranged in front of a connection supporting frame body part; a side snow discharging part is arranged below the side of the connection supporting frame body part; a snow blowing and removing part is arranged behind the side snow discharging part; and an ice and snow crushing part is arranged below the connection supporting frame body part. The combined ice and snow removing device for breaking and crushing ice and snow and blowing snow has the beneficial effects of being simple in structure, performing mechanical transmission, being suitable for cold region operation and low in fault rate, making blade replacement convenient and being long in service life of blades; full-system one-time ice and snow removal for breaking ice, crushing ice, pushing ice and snow and blowing ice and snow can be achieved; a road surface and a road surface marking line are not damaged; and the combined ice and snow removing device for breaking and crushing ice and snow and blowing snow has the functions of absorbing shock, crossing obstacles and automatically controlling pressure.

The invention relates to an integrally formed carriage plate for a van and a manufacturing technology. The outer layer of the carriage plate is made of glass steel, and a PVC foam plate is adopted as an interlayer. The technology comprises the following steps that 1, demoulding material processing and room-temperature curing are performed; 2, a surfacing mat, a composite mat, the PVC foam plate and a diversion composite mat are laid; 3, omega tubes and a winding pipe are fixed, sealing adhesive tapes are bonded, and a demoulding cloth and a vacuum bag are laid to form a vacuum system; 4, the vacuum system is connected with a resin collector in a sealed mode, and the leakproofness of the vacuum system is detected; 5, vacuum pressure maintaining is performed; 6, resin is prepared and poured in a vacuum mode; 7, solidifying, demoulding and postprocessing are performed. Compared with prior art, the PVC foam plate is used as the interlayer, and therefore the advantages of being capable of achieving water resistance, flame retardance, acid and alkali resistance, moth proofing, light mass, high hardness, heat preservation, sound insulation and shock absorption; vacuum infusion and integrally forming are achieved, and therefore the two surfaces of the carriage plate are smooth.

The invention discloses a pipeline penetration structure and relates to the field of pipeline vibration reduction. The system comprises a transition pipe and two corrugated pipes, wherein a sleeve is arranged on the transition pipe in a sleeving manner, and a containing chamber is formed between the transition pipe and the corrugated pipes and is filled with damping materials; the two corrugated pipes are respectively arranged on two sides of the sleeve and respectively arranged at two ends of the transition pipe in a sleeving manner; one end, which is close to the sleeve, of each of the corrugated pipes is connected with the sleeve; an annular plate is arranged on an end face, which is far away from the sleeve, of each of the corrugated pipes; meanwhile, the transition pipe, the sleeve, the corrugated pipes and the annular plate form a sealed area together in a surrounding manner, and the containing chamber is formed in the sealed area. According to the pipeline penetration structure provided by the invention, a cabin space can be effectively sealed, leakage of hazardous substances in the cabin is avoided, the other corrugated pipe can achieve a sealing effect when one corrugated pipe is damaged, and the sealing safety and reliability of the cabin are greatly improved. In addition, the corrugated pipes have buffering and damping effects, and metal corrugated pipes are particularly applied to special application fields at a high cabin temperature.

Disclosed is a water-air combined medium non-coupled rapid explosive charging device for tunnel extra-large cross section deep-hole rock blasting fragmentation. The device comprises a drilled hole, a first mixing explosive-charging system, a second mixing explosive-charging system, a third mixing explosive-charging system, structural cavity systems, combined medium systems, a first connecting sleeve, a second connecting sleeve, a combined blocking system, explosive, detonators and leading wires. The water-air combined medium non-coupled rapid explosive charging device for tunnel extra-large cross section deep-hole rock blasting fragmentation is provided by the invention, has the characteristics of low cost, high efficiency, reliable performance and good shock absorption and dust prevention effects and also has the following advantages that rapid explosive charging is achieved; the explosive-charging structure is accurate; the length of deep holes is accurately measured; and shock absorption, high energy utilization rate, good reliability, low cost and the like are achieved.

The invention provides wear-resistant rubber and a preparation method of the rubber, as well as a double-hardness and double-physical-property rubber sole and a preparation technology of the sole. The wear-resistant rubber can be obtained through the steps of: weighting required materials in proportion, then implementing closed milling, implementing opened milling, implementing vulcanization, and measuring a vulcanization curve. According to the double-hardness and double-physical-property rubber sole, a wearing-prone part of a heel is made from the wear-resistant rubber, while other parts are made from common rubber. The sole can be obtained through the steps of getting the wear-resistant rubber for later use, shaping a wear-resistant block by oil pressure, shaping a big sole, and post-treating. According to the sole produced by the formula and the production technology, the product cost is lowered and simultaneously the requirements of different people are met; and the produced finished product sole is improved in appearance grade and has the effects of good quality, comfort, wear resistance, shock absorbing, and the like.