245results about How to "Reduce shock absorption" patented technology

A playing surface structure includes a resin impregnated textile layer (1) having a resin bonded layer of particulate rubber (7) adherent to its undersurface and overlying a fibrous random pile mat (8) incorporating a random pile layer (9) and a relatively compact, resin impregnated backing layer (10).

The invention relates to a patient ventilation or breathing device and components therefore for use in all forms of respiratory apparatus ventilation systems including invasive and non-invasive ventilation, positive airway pressure therapy, Continuous Positive Airway Pressure (CPAP), and particularly Bi-Level therapy and treatment for sleep disordered breathing (SDB) conditions such as Obstructive Sleep Apnea (OSA), and for various other respiratory disorders and diseases. The invention particularly relates to a blower, to a blade, to a gasket, to a cable, to an impeller, to a gas inlet and inlet member, to an improved air path or fluid flow path and components thereof, and/or to a modular ventilation or breathing device as referred to above and particularly incorporating one or more of the other aspects of the invention.

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 discloses an electronic product placing frame with a damping effect. The electronic product placing frame comprises a fixing base, a first groove is formed in the upper surface of the fixing base, two symmetric second grooves are formed in the inner side wall of the first groove, a sliding rod is fixedly connected inside each second groove, and a sliding ring matched with the corresponding sliding rod sleeves the outer surface of each sliding rod. According to the electronic product placing frame with the damping effect, sliding grooves are formed and sliding blocks are used cooperatively so that the two ends of an elastic plate can be effectively moved, and impact force borne by the elastic plate is buffered; a third spring is arranged so that stretching of the elastic platecan be effectively limited, and then the effect of relieving the impact is achieved; the elastic plate is arranged and a first spring and a second spring are cooperatively arranged, so that the buffering force of a first fixing plate is greatly reduced, the stability of a second fixing plate is improved, and the problem that an existing electronic product placing frame is poor in damping effect is solved.

The invention discloses a movable multistage effective sewage treatment device, comprising a shell; the shell is in a rectangular shape; a damping universal wheel device is arranged at the bottom of the shell; the shell is internally and sequentially provided with an oxidation tank, a flocculating tank, a filter tank, a disinfection tank and a precipitation tank in the length direction; a waste water inlet pipe, fixedly connected with the oxidation tank, is arranged under one side of the shell; the oxidation tank is internally provided with an oxidation device; the flocculating tank is internally provided with a flocculating device; the filter tank is internally provided with a filtering device; the disinfection tank is internally provided with a disinfection device; the precipitation tankis internally provided with a precipitating device; a water outlet pipe, fixedly connected with the precipitation tank, is arranged above the right side of the shell; a controller is arranged outsidethe shell; the controller is respectively and electrically connected with the oxidation device, the flocculating device, the filtering device, the disinfection device and the precipitating device. The movable multistage effective sewage treatment device has the beneficial effects of being simple in structure and high in practicality.

The invention discloses a stretcher for spine surgery. The stretcher comprises a device main frame, wherein both sides of the device main frame are hinged with side frames by virtue of hinges; a group of limiting plates are arranged at the lower sides of the side frames; a group of mounting frames are arranged at the lower side of the device main frame; a group of rotating shafts are arranged on the mounting frames; the rotating shafts are matched with rotary square sleeves in rotary mode; the rotary square sleeves are connected to supporting legs by virtue of supporting springs; universal wheels are arranged at the lower ends of the supporting legs; an air cushion is arranged at the upper side of the device main frame; an inflator, which is matched with the air cushion, is arranged at one end of the device main body; a group of handles are arranged at each of two ends of the device main frame; and clamping block sliding buttons and pull arm sliding buttons are arranged on the handles in a sliding mode. The stretcher for the spine surgery is convenient to operate, and the stretcher, when used, can relieve burden of medical personnel, so that the medical personnel can carry a patient with lower physical power consumed; meanwhile, the patient can be protected well; and the stretcher can effectively prevent the body of the patient from getting displaced, so that the occurrence of secondary injury can be prevented.

The invention discloses a lower limb exoskeleton ankle joint device on the basis of energy optimization. The lower limb exoskeleton ankle joint device comprises a shank exoskeleton module, an ankle module and a foot sole module. The shank exoskeleton module, the ankle module and the foot sole module are sequentially connected with one another. The lower limb exoskeleton ankle joint device has theadvantages that a cushion energy storage device can be formed by a steel plate spring and a damper, ground impact energy of foot soles can be timely stored and released in walking procedures, accordingly, energy consumption can be reduced during lower limb exoskeleton ankle joint running, and cushion and damping effects can be realized; the rigidity of the steel plate spring can be adjusted, and accordingly energy can be optimized in the walking procedures; the height of the shank exoskeleton module can be adjusted by the aid of an adjusting rod, accordingly, requirements of different people can be met, and the lower limb exoskeleton ankle joint device is good in applicability; compliance control technologies on the basis of force feedback are adopted for control modes for the lower limb exoskeleton ankle joint device, accordingly, lower limb exoskeleton ankle joints can stably run, the lower limb exoskeleton ankle joint device can be effectively applied to rehabilitation training robots and has great application value, power consumption can be reduced, and the applicability can be improved.

The invention discloses a robot foot end structure and aims to solve the problem that the foot-end stress area of an existing foot-type robot is small, the robot possibly produces a slippery phenomenon and difficultly stably walks on a non-structural road surface, normal work of the robot is affected, but a large foot-type robot walks unstably due to excessive self weight, great impact is producedto the robot and the service life of the robot is affected. The robot foot end structure adopts a spring structure and mutual cooperation of parts to achieve the functions of contact area increase and buffering damping. According to the robot foot end structure, on one hand, the contact range of foot end toes is widened and a robot body is kept stable through spring compression, on the other hand, a buffering damping effect is played, and thus the service life of the robot is prolonged. The robot foot end structure is reasonable in design, ingenious in concept, simple in structure, convenientto operate, low in production and maintenance cost and easy to use, has a higher application value and has remarkable progressive significance in development of multi-legged robots.

An unmanned aerial vehicle crash protection device is provided, which comprises a fixedly mounted robot arm, an auxiliary rotating paddle wheel, a power impeller, an observation camera, a support bar,and a speed reduction cushioning protection device. One end of the fixedly mounted robot arm is provided with a power paddle wheel and is connected with each other in a rotational manner, and the other end of the fixedly mounted robot arm is connected with the outer surface of the speed reduction cushioning protection device in a bonding manner, and a power paddle wheel is arranged directly in front of the auxiliary rotary paddle wheel. When the unmanned aerial vehicle falls down because of failure, the unmanned aerial vehicle is capable of promptly and accurately ejecting a parachute bag, toincrease the air drag and slow down the falling speed of the UAV, so that the gravity inertia force and impact force of the UAV after falling on the bottom surface are greatly reduced, and then whenthe UAV contacts with the bottom surface, the bottom landing frame can further play the role of cushioning and damping, preventing the components of the UAV from loosening, so as to carry out the protection of the UAV.

The invention provides road leveling and film laying equipment. The equipment comprises a rack, a water storage tank, a water pump, a driving device, a driving roller, a film winding roller, a vibration leveling plate, a flattening roller, a film pressing roller and a watering rod, in the vertical direction, the vibration leveling plate and the rack are connected with a damping assembly; a vibration motor is arranged on the vibration leveling plate; the driving roller, the flattening roller and the film pressing roller are rotatably connected with the rack; the driving device controls the driving roller to rotate; the watering rod is communicated with the water storage tank through the water pump; the watering rod is connected with an atomizing nozzle; the film winding roller is located above the position between the flattening roller and the film pressing roller. The two ends of the film pressing roller are rotationally connected with the first ends of the two hinge pieces correspondingly. The second end of each hinge piece is hinged to the rack, an elastic piece is connected between each hinge piece and the rack, the elastic pieces force the film pressing roller to be away from the rack, and the equipment integrates the functions of road surface leveling and film laying, and is convenient to operate, high in working efficiency, long in service life and reliable in working performance.

The invention discloses an active type coil spring suspension which comprises a spring pre-tightening force regulating device, a suspension height regulating device and a shock absorber (15), wherein the spring pre-tightening force regulating device comprises an upper spring seat (8), a coil spring (12), a lower spring seat (13), a pull rod (11), a pre-tightening driven gear (9) and a pre-tightening power device; the pre-tightening driven gear (9) is rotatably arranged on the upper spring seat (8) through upper and lower bearings (10); the pull rod (11) is connected with the pre-tightening driven gear (9) through thread fit and passes through the upper spring seat (8), the coil spring (12) and the lower spring seat (13); the lower end of the pull rod (11) is provided with a limit clamping piece (14); and the pre-tightening power device is matched with the pre-tightening driven gear (9). After adopting the structure, the coil spring suspension has the advantages of simple structure, light weight, small volume, low failure rate, low production cost, convenient maintenance, good stability, active regulation capability of the spring pre-tightening force and the suspension height, and the like.

The invention relates to the technical field of new energy and discloses new energy power battery fixing device comprising a placement box. A sealing strip is arranged at the top of the placement box,a clamping device is arranged in the placement box, a cooling fan is fixedly installed on the surface of the placement box, a sealing device is arranged on the surface of the cooling fan, and a threading hole is formed in the surface of the placement box. According to the new energy power battery fixing device, the top of the fixing device is sealed through the sealing strip; dust of the coolingfan is filtered through the filter screen; when the cooling fan rotates, a cleaning brush is driven to rotate so as to clean dust on the surface of the filter screen; the fixing device is convenient to seal, dust on the surface of the filter screen is convenient to clean, the probability of blockage of the filter screen is reduced, accumulation of dust on the surface of the filter screen is reduced, the heat dissipation effect is improved, the sealing performance of the fixing device is improved, and the content of dust in the fixing device is reduced.

The invention discloses an electric pallet truck. The electric pallet truck comprises a driving system, a control and steering system, a lifting connecting rod assembly, a truck body system, a hydraulic system and an electrical system, wherein the hydraulic system and the electrical system are correspondingly arranged inside the truck body system and are connected with the driving system, the lower end of the control and steering system is fixedly connected with the driving system or the hydraulic system, the upper end of the control and steering system is bent to extend above the truck body system, the lifting connecting rod assembly is arranged on one side of the truck body system in the movement direction and is in rotating connection with the truck body system, the other side of the truck body system is connected with a pedal assembly in a turnover mode, and a tilting force component which is always turned over upwards and a buffer damping component are arranged in the pedal assembly. According to the electric pallet truck, when the carrying work is heavy, a standing-driving type operation can be carried out, buffering and vibration reduction can be achieved, the comfort of a driver is improved, the fatigue is relieved, and the working efficiency is improved; and when the electric pallet truck needs to be operated in a narrow space, and walking type operation can be realized only by folding and storing the pedal assembly.

The invention discloses a slaughtering device which comprises a base, a driving mechanism and an imprisoning tank. The imprisoning tank comprises a first rotating table, a second rotating table, a first splint, a second splint, a top cover, a bottom plate and a neck pressure plate; the first rotating table is provided with a neck clamping mechanism and a turnover mechanism; the neck clamping mechanism comprises a neck clamping door and a neck clamping cylinder; the upper part of the neck clamping door is provided with a neck placement concave cavity and the neck placement concave cavity is in slide fit with two parallel guide rails arranged on the first rotating table; the turnover mechanism comprises a fixture and a fixture cylinder; the neck pressure plate is positioned above the first rotating table and the length direction of the neck pressure plate is vertical to the moving direction of the neck clamping door; the driving mechanism comprises a transmission shaft; both a first chain and a second chain are in transmission connection with the transmission shaft; and the transmission shaft is also sequentially connected with a speed reducer and a motor. The slaughtering device provided by the invention has a simple structure and high slaughtering efficiency; labor intensity and cost of workers can be reduced; and the slaughtering device has a high safety coefficient and long service life and is also beneficial for showing live killing and ensuring meat quality of beasts.

The invention discloses a power transmission mechanism used for a new energy car. The power transmission mechanism comprises a buffer device, a transmission device, a lubricating device and an L-shaped handle. The buffer device comprises a first partition board, a bottom board, a moving board, a sleeve, a telescopic sleeve, an extrusion board, buffer rods, a reset spring, a buffer sliding block, a buffer sliding groove, a first limiting sliding block, a first limiting sliding groove, a second partition board, a second limiting sliding block, a second limiting sliding groove, buffer rubber blocks and a supporting rod; the first partition board and the second partition board are fixedly connected to the upper surface of the bottom board, the side wall of the moving board is in sliding connection with the outer surfaces of the first partition board and the second partition board, the two buffer rubber blocks are fixedly connected to the lower bottom face of the moving board, and two buffer rods are fixedly connected to the lower bottom faces of the buffer rubber blocks. The power transmission mechanism is good in buffer damping effect, excellent in transmission property, more obvious in lubricating effect and capable of prolonging the service life.

The invention relates to a damping base facilitating an electrical test. The damping base comprises a supporting base and a liftable horizontal supporting plate, horizontal sliding grooves extending towards the axis of the horizontal supporting plate are formed in the middles of the periphery of the horizontal supporting plate, and vertical supporting plates in sliding fit with the horizontal sliding grooves are arranged in the horizontal sliding grooves in a penetrating manner. First rubber plates located above the horizontal supporting plate are arranged at the inner sides of the vertical supporting plates in parallel, and first springs are connected between the first rubber plates and the vertical supporting plates. A connecting frame is fixedly connected to the middle of the bottom surface of the horizontal supporting plate. A water storage cylinder is arranged in the middle of the inner bottom face of the supporting base, air cylinders communicated with the water storage cylinderare symmetrically arranged at the left side and the right side of the water storage cylinder, pistons are horizontally arranged in the air cylinders, and piston rods are fixedly connected between thetops of the pistons and the bottom of connecting frame. According to the damping base, electrical equipment can be effectively buffered and damped in multiple directions, so that the electrical equipment can be effectively protected, resonance among the equipment can be avoided, the influence on the use of the equipment is avoided, and the service life of the electrical equipment is effectively protected.

A rubber concrete hollow pier with internal and external constraint comprises an outer pipe, an inner pipe, stiffening plates, vertical partition plates and concrete protective layers; shear pins which are used for increasing the adhesive force between the concrete protective layers are distributed on the outer surface of the outer pipe; the concrete protective layers are coated on the outer wall of the outer pipe; the inner pipe is coaxially arranged inside the outer pipe; the plurality of stiffening plates with center holes are arranged between the outer pipe and the inner pipe along the axis direction; the inner edges of the stiffening plates are fixed on the outer wall of the inner pipe and the outer edges of the stiffening plates are connected with the inner wall of the outer pipe to form the empty chamber which is used for accommodating rubber concrete; the plurality of vertical partition plates are arranged in the empty chamber; two lateral sides of every vertical partition plate are fixed on the outer wall of the inner pipe and the inner wall of the outer pipe respectively. According to the rubber concrete hollow pier with the internal and external constraint, the effective boundary conditions of the three-direction compression state of the filled rubber concrete are established and accordingly the bearing capacity is improved, the damping effect is obvious, the size of the pier is effectively reduced, the detachment and installation is simple, the difficulty is reduced, waste rubber can be reused, resources are saved, and the environment-friendly effect is achieved.

The invention discloses polymer cement-based modified mortar. The polymer cement-based modified mortar comprises the following raw materials in parts by mass: 200 to 350 parts of fine sand, 80 to 140parts of cement, 20 to 30 parts of ceramic powder, 15 to 25 parts of clay, 10 to 30 parts of rubber powder, 5 to 15 parts of diatomite, 5 to 15 parts of graphite powder, 8 to 20 parts of polymer emulsion, 5 to 10 parts of basalt fiber, 3 to 8 parts of polyacrylonitrile fiber, 2 to 5 parts of a water-reducing agent, 1 to 3 parts of a defoaming agent, 2 to 5 parts of a coupling agent and 50 to 150 parts of water. The polymer cement-based modified mortar has advantages of high structural strength, high waterproofness, high toughness, high bending strength, high volume stability, high durability,high freezing resistance, high early strength and good use effect, and is not liable to crack.

The invention relates to a rear vibration isolator. The rear shock absorber is provided with an outer cylinder welding piece, a piston and a piston rod connected with the piston are arranged in the cavity of the outer cylinder welding piece, a buffer block with elasticity is arranged in the cavity of the outer cylinder welding piece, and the buffer block is positioned between the piston and the bottom of the outer cylinder welding piece. The center of the buffer block is provided with a U-shaped groove, and the buffer block is olivary. The end diameter of one end of the buffer block contactedwith the piston is smaller than the end diameter of the other end of the buffer block contacted with the bottom of the outer cylinder welding piece. The buffer block is arranged between the piston and the outer cylinder welding piece, the piston impacts the buffer block when the rear vibration isolator absorbs shock, and the buffer block rubs the outer wall of the outer cylinder welding piece to reduce the shock absorption effect and prolong the service life of the piston, so the integral shock absorption effect of the rear vibration isolator is improved and the service life of the rear shockabsorber is prolonged.