513results about How to "Shock absorbing" patented technology

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 provides a non-pneumatic safety tire, which comprises a tread, an outer ring, a support body and an inner ring from the outside to the inside in order. The tread is bonded or vulcanized on the outer ring, the support body is arranged between the inner ring and the outer ring along the radial direction and circumferential direction from the outer ring, multiple groups of damping units and support ribs, each group of damping unit consists of two sets of damping structures, and two sets of damping structures are circumferentially disposed with the radial direction as the symmetric axis. The non-pneumatic tire provided by the invention has good bearing capacity, and by means of wheel disk thickening and multiple damping hole diameter change, the bearing capacity of the tire can be enhanced. The non-pneumatic safety tire not only has the carrying capacity and static rigidity characteristics of pneumatic tyres, but also has rationally distributed ground pressure, the abrasion resistance and trip distance of the tire are increased, especially the reasonable distribution of multiple damping holes and support ribs in the radial and circumferential direction can enhance the carrying capacity of the tire and also can improve the static rigidity of the tire.

A semiconductor device includes a substrate, an element formed in the substrate, an insulation film formed on the substrate, wiring layers, and an electrode pad. The wiring layers are multilayered and electrically coupled to the element through the insulation film. The electrode pad is electrically coupled to a top wiring layer of the wiring layers. The top wiring layer is configured to be a top wiring-electrode layer that doubles as an electrode layer disposed under the electrode pad. The electrode layer of the top wiring-electrode layer is disposed directly above the element. The electrode pad and the electrode layer are multilayered to form a pad structure.

Provided herein are methods, devices and kits for reducing the risk of fracturing a bone. A device is provided comprising an implantable pad for absorbing, deflecting, and / or diffusing an exterior impact force on a bone. A device is provided for strengthening and / or reinforcing a bone at typical fracture sites prior to fracture and / or along lines of tension and compression forces. The devices may comprise a coil adapted to be implanted in the bone. The device may comprise a rod adapted to be implanted in the bone. The devices may comprise a deployable element adapted to be deployed in the bone. The device may comprise a scaffold adapted to be implanted in the bone. The device may comprise a reinforcing material and / or means for reinforcing and / or strengthening the bone at typical fracture sites prior to fracture and / or along lines of tension and compression forces.

A molded photosensitive assembly of a camera module includes at least one supporting member formed by a first substance, at least one photosensitive element, at least one circuit board, at least one set of wires electrically connecting the photosensitive element to the circuit board, and at least one molded base. Two ends of each of the wires are respectively connected to a chip connector of the photosensitive element and a circuit connector of the circuit board. The molded base is formed by a second substance and comprises a molded body and has at least one light window, wherein the photosensitive element and the wires are protected by a supporting member which is provided for avoiding an upper mold of a molding-die pressing on the wires during the molding process.

The invention discloses a secondary tensioning prestressed assembly-type corrugated steel web composite beam. The composite beam comprises a composite beam unit which is formed in a way that a plurality of prefabricated corrugated steel web beam bodies are connected, each prefabricated corrugated steel web beam body comprises a corrugated steel web, a concrete top plate and a concrete base plate, the concrete top plate is connected with the corrugated steel web through an upper connecting piece, and the concrete base plate is connected with the corrugated steel web through a lower connecting piece; the transverse connecting end of each of the concrete top plate and the concrete base plate is provided with a transverse connecting steel bar, vertical connecting steel bars are arranged in the concrete top plate and the concrete base plate in balance, primary tensioning prestressed channels and secondary tensioning prestressed channels are arranged in the concrete base plate symmetrically, primary tensioning prestressed steel beams are arranged in the primary tensioning prestressed channels in a penetrating manner, and secondary tensioning prestressed steel beams are arranged in the secondary tensioning prestressed channels in a penetrating manner. The invention also provides a construction method of the composite beam. According to the invention, the prestressed steel beams are tensioned twice, inflected arch phenomena, of the prefabricated corrugated steel web beam bodies, caused by concrete shrinkage and creep can be reduced, the erection precision of the bridge is improved, and the usage performance of the prestressed assembly-type corrugated steel web composite beam can be improved.

The invention relates to a tribological performance testing device of journal and bearing bush of the main shaft of machine tool, and relates to the testing device, in particular to a simulating and testing device in the friction and wear of the journal and bearing bush of the main shaft of machine tool, belonging to the technological field of tribology. The simulating and testing device comprises a driving part, a testing part, a loading part, and a measuring system; the transducer of the driving part is connected with a speed regulating motor; the main shaft of the speed regulating motor is connected with a support shaft through a coupling device; the support shaft is a ladder shaft; the strain beam of the testing part is vertically arranged at the upper end of an upper sample fixture; a bolt is used for locking an upper sample in the square groove at the lower end of the upper sample fixture; an annular lower sample is arranged below the upper sample; the upper end of the strain beam of the loading part is connected with a force exerting lever in the way of interference fit; one end of the force exerting lever is provided with a clump weight and the other end is provided with a weight frame. The testing device can simulate the actual working condition, has a simple structure, can simultaneously estimate the tribological properties of the material of the sliding bearing pair and the lubricating medium, and can realize the accelerated wear test.

The invention provides a traction device for a suspended monorail vehicle. The traction device is fixedly connected with a sleeper beam above a bogie frame. The traction device comprises a center pin inserted into the center of the interior of the bogie frame, and a traction base connected to the lower end of the center pin in a sleeving mode, wherein a connecting plate is arranged on the traction base, parallel traction pull rods are arranged at the two ends of the connecting plate perpendicular to the connecting plate in a zigzag mode, one end of each traction pull rod is hinged to the connecting plate of the traction base, the other end of each traction pull rod is hinged to a traction pull rod installation base, an elastic element is arranged at the position where the center pin is connected with the traction base in the sleeved mode, and an elastic transverse stopping block is transversely arranged inside the bogie frame. According to the traction device, large transverse force is transmitted through the elastic transverse stopping block and the center pin; the movement of a vehicle body relative to a bogie is fully guaranteed by means of an elastic rubber joint through the traction device provided with the center pin and the two pull rods arranged in the zigzag mode; meanwhile, the characteristic of the traction pull rods arranged in the zigzag mode that centering performance is high is fully utilized, traction force and braking force are well transmitted, and the curve passage capacity of the vehicle is improved.

A pallet (10) includes a base layer (20), a cargo layer (30) and spaced apart support elements (40) positioned between the base layer (20) and the cargo layer (30) and forming a gap (50) therebetween for receiving a lifting member. The cargo layer (30) includes a pair of spaced apart connector boards (32) and a pair of spaced apart end deck boards (34) orthogonal to the pair of connector boards (32). Each support element (40) extends in length between the pair of spaced apart end deck boards (34) and is configured as a one-piece skid, and includes an open recessed channel (60) therein to receive a respective connector board (32) from the cargo layer (30).

The invention discloses a concave elastic screen wheel which comprises a hub and a supporting ring arranged on the hub. An annular metal wire mesh is arranged at the outer periphery of the supporting ring, an elastic element for supporting the metal wire mesh is positioned between the supporting ring and the metal wire mesh, an antiskid pawl is positioned at the outer periphery of the metal wire mesh, the metal wire mesh and the antiskid pawl are fixedly connected to form an arch concave elastic screen serving as a tire face, and the tire face is an arch concave face with the concave middle and the two convex sides. The concave elastic screen wheel can carry people to walk in soft, dusty, dry and low-gravity environments, can meet the requirements of high roll stability, high adhesion force and good shock absorption performance, can effectively prevent settlement and can effectively restrain raised dust.

The invention discloses an adaptive under-actuated non-cooperative target capturing mechanism. An existing capturing mechanism is poor in adaptation of the size and shape of a target. A nut driving plate and a stretching platform form a helical pair with a first thread and a second thread of a variable pitch screw respectively; the nut driving plate is provided with an armature, and the stretchingplatform is provided with an armature and a travel switch; a mechanical arm driving plate is connected with the nut driving plate through a flexible connecting part; three five-rod type mechanical arm bodies are uniformly distributed in the circumferential direction and connected to the mechanical arm driving plate; a third connecting rod in each five-rod type mechanical arm body can cooperate with a torsional spring to be converted to be an under-actuated mechanism; mechanical arm tail end execution mechanisms are connected to the three five-rod type type mechanical arm bodies; a buffer guide mechanism is located in the center of the circumference where the three five-rod type type mechanical arm bodies are uniformly distributed. Accordingly, a single power source is adopted for achieving unfolding of three mechanical arms, the mechanism has the multi-degree of freedom and can flexibly adapt to target satellite spray pipes with different sizes and shapes.

The invention discloses a batching tank device used for medicine preparation. The batching tank device comprise a buffer material pad, a tank body, a crushing motor, a drying cabin, and a stirring motor; the buffer material pad is used for buffering and damping of the tank body, so that the tank body is protected, and equipment practicality is increased; the crushing motor is used for driving a crushing blade on a crushing rotating shaft to rotate so as to crush materials, and later batching effect is improved; the drying cabin is used for drying materials, so that later batching effect is improved further; and stirring blades on a stirring rotating shaft is driven by the stirring motor to rotate so as to stir materials.

The invention discloses a cutting machine for processing a tie cloth in the field of a cutting machine, which comprises a cutting table; the bottom part of a mandril is moveably provided with a firstmoving mechanism, and the bottom part of a flexible rod is provided with a cutter; bottom parts at left and right sides of the supporting bracket are connected with pressing plates; through the walking of a first walking mechanism and the matching of a motor through an active gear and a driven gear, the supporting bracket is rotated, and a second walking mechanism is matched to drive the cutter towalk and cut the cloth; the cloth cutting can be realized at different angles and positions; the pressing plates can prevent cloth from displacement in cutting, the cutting opening is flat and burr-free after cutting the cloth; the cutting quality is good and the working efficiency is high; through the flexible device, height of the bottom part of the cutter blade out of the pressing plate is changed along with the thickness of the cloth, different thicknesses of clothes can be cut.

A boat propeller comprising a central hub member and an inner hub assembly that defines a longitudinally extending bore having an inner surface. The exterior surface of the central hub member is sized and shaped for disposition therein the bore of the inner hub assembly in a complementary fashion. In one aspect, the propeller may also comprise a plurality of resilient spacer members positioned such that that the exterior surface of the central hub member is spaced from the inner surface of the bore.

The invention discloses a glass transporting device in the field of buildings. The glass transporting device comprises rolling wheels, supporting legs, a first base plate, limiting grooves, a pushingrod, sucking discs, movable plates, movable rods, threaded holes, dovetail blocks, a cross rod, a screw rod, buffer pads and a second base plate, wherein the limiting grooves are uniformly formed in the first base plate, limiting rods are connected into the limiting grooves in a sliding mode, the tops of the limiting rods are fixedly connected with the bottom of the second base plate, damping springs sleeve the limiting rods, vertical plates are uniformly and fixedly connected to the second base plate, the buffer pads are arranged on the right side walls of the vertical plates and the top of the second base plate, the cross rod is fixedly connected to the middle ends of the rear walls of the vertical plates, the movable rods are connected to the cross rod in a sliding mode, the dovetail blocks are arranged at one ends of the movable rods, the threaded holes are formed in the ends, close to the dovetail blocks, of the movable rods, the movable rods are connected with the screw rod in athreaded mode through the threaded holes, the screw rod is connected with the vertical plates in a rotating mode, and the other ends of the movable rods are fixedly connected with the middle ends of the rear walls of the movable plates. The glass transporting device has the advantages that the structure is simple, and the transportation safety performance of building glass is good.

The invention provides a drive wheel speed detection sensor protection structure with a simple structure, which does not use a sole protection component and does not need installation operation. A back axle on the back section executes an axle suspension for a transmission case for containing a belt type stepless speed changer, and a drive wheel is embedded in a power unit which is installed on the back axle for supporting it. The forepart is supported by a vehicle frame axle and is swingly supported, according to rotation of the gear which is integrated with the back axle for detecting rotary speed of the drive wheel, and the drive wheel speed detection sensor embeds the frontend detection section into the transmission case and is installed for getting closer to the gear, and the drive wheel speed detection sensor protection structure is that: a protective wall is formed near the projecting section exposed towards outside of the self-transmission case of the drive wheel speed detection sensor, and is integrated with the transmission case and projects.

A boat propeller comprising a central hub member and an inner hub assembly that defines a longitudinally extending bore having an inner surface. The exterior surface of the central hub member is sized and shaped for disposition therein the bore of the inner hub assembly in a complementary fashion. In one aspect, the propeller may also comprise a plurality of resilient spacer members positioned such that that the exterior surface of the central hub member is spaced from the inner surface of the bore.

The invention discloses an undercarriage faulty airplane safe landing gear. The undercarriage faulty airplane safe landing gear comprises a landing plate provided with a traction mechanism and a sliding mechanism arranged below the landing plate. An elastic steel sheet with the M-shaped cross section is arranged on the upper portion of the landing plate. A flexible energy relief layer is arranged on the elastic steel sheet. A compensation air bag is arranged in a cavity between the landing plate and the elastic steel sheet. An airplane position automatic correction device is arranged in a concave position in the middle of the elastic steel sheet. The undercarriage faulty airplane safe landing gear has the advantages of being high in anti-seismic buffering capacity, capable of accurately and conveniently conducting positioning, flexible and adjustable in airplane landing position, low in cost, and capable of being popularized and applied conveniently.

The invention provides a shale ceramsite pervious ecological concrete, which is obtained by stirring mixing of total cementitious materials, shale ceramisite, a water reducing agent and water. Specifically, the total cementitious materials include 22.4-34 parts by mass of cement, 5.6-8.7 parts by mass of coal ash and 1.5-4.2 parts by mass of silica fume. The mass part of the shale ceramisite is 35-95, the water reducing agent accounts for 0.2-0.4% of the mass of the total cementitious materials, and water accounts for 22-25% of the mass of the total cementitious materials. In addition to good water permeability, water absorption and breathability, etc., the shale ceramsite pervious concrete provided by the invention also has the characteristics of excellent heat preservation, shock absorption, fire resistance, water purification, gas purification and landscape effect, and can be widely used in the municipal field, the construction engineering field and water environment purification field.

The invention relates to the field of heat dissipation, in particular to a 5G base station heat dissipation system based on big data processing, which comprises an antenna shell, a fixing mechanism, an air inlet mechanism, a heat dissipation mechanism, a drainage mechanism, a placement mechanism, a locking mechanism and an observation structure, the antenna shell is beneficial to placement and protection of the transmitting equipment; under the action of the placing mechanism; the launching equipment can be conveniently fixed; under the action of the locking mechanism; the transmitting equipment can be conveniently put into and taken out of the antenna shell; under the action of the heat dissipation mechanism; absorption of a large amount of heat generated by the transmitting equipment isfacilitated; under the action of the air inlet mechanism; the air inlet structure is arranged in the antenna shell, so that cold air dissipates heat of the heat dissipation mechanism, heat is led out,heat dissipation or rainwater flowing into the antenna shell from the outside can be drained under the action of the drainage mechanism, the air inlet amount of the air inlet structure can be adjusted according to the temperature change through the temperature change of the antenna shell, timely heat dissipation of equipment can be guaranteed, and normal use of the equipment is guaranteed.

The invention discloses a stretcher type sprayer bottom frame with damping performance, and relates to the related technical field of sprayers. The stretcher type sprayer bottom frame comprises a bottom plate. The two sides of the top of the bottom plate are in sliding connection with damping devices. A transverse groove is fixedly connected to the tops of the damping devices. A lead screw is rotationally connected between the two sides of the inner wall of the transverse groove. The two sides of the surface of the lead screw are in threaded connection with movable blocks. The tops of the two movable blocks are fixedly connected with vertical plates. The tops of the vertical plates penetrate the top of the transverse groove and extend to the outer portion of the transverse groove. According to the stretcher type sprayer bottom frame with the damping performance, a certain buffering space is provided for a sprayer, the situation that inner elements of the sprayer are damaged due to jolting vibration is avoid, and usage is influenced is avoided, and stability is improved; and the sprayer can be conveniently fixed or detached, the sprayer can be conveniently cleaned or maintained, protection of the sprayer is facilitated, and the service life of the sprayer is prolonged.

The invention provides an automobile brake pad. The automobile brake pad is prepared from, by weight, 3%-25% of potassium hexatitanate whisker or sodium hexatitanate whisker, 0-20% of aluminum silicate hollow sphere, 0.1%-15% of brown aluminum oxide, 0.1%-20% of carbon fiber, 3%-30% of phenolic resin and 5%-50% of padding. The invention further provides a preparation method of the automobile brake pad. The potassium (sodium) hexatitanate whisker reinforced resin matrix brake pad is low in noise and heat fading performance, a mating plate is not likely to be damaged, and the wear rate is very low; and the service life of a product can be greatly prolonged, resource consumption can be reduced, and the influence to the environment is reduced. Raw materials selected in the automobile brake pad are common and easy to obtain, production cost can be effectively reduced, and great significance in increasing the added value of domestic rich mining deposits is achieved.

A roller chain for a linear guideway comprises: a plurality of spacers each having two retaining portions and two links, each retaining portion is a hollow structure for holding the rollers. The retaining portions are formed at both sides of the rollers, one side of each of the retaining portions is opposite to the rollers, and another side doesn't contact any component, so that each two neighboring rollers are separated from each other completely. Each link is an elongated structure located at both ends of the rollers and employed to connect the spacers together. Hence, the impact energy caused when the spacer is impacted by the rollers will be converted into elastic energy, which prevents the indirect impact of two neighboring rollers caused by the spacer therebetween, thus effectively absorbing the impact force while substantially reducing the impact-caused noise.

The invention discloses a stocking system. A preordering passage is connected between a warehouse discharge line body and a conveying line body and consists of one group or more than one group of conveying passages parallelly connected between the conveying line body and the warehouse discharge line body, the conveying line body conveys cargos ordered according to the warehouse discharge sequence into the corresponding group of conveying passages in the preordering passage, the corresponding group of conveying passages store the cargos ordered according to the warehouse discharge sequence, when the sorting line cargo ordering instructions from a corresponding sorting line are received, the cargos ordered according to the warehouse discharge sequence are sequentially pushed to the warehouse discharge line body according to a first-in first-out principle, and the cargos ordered according to the warehouse discharge sequence are conveyed to the corresponding sorting line by the warehouse discharge line body. Simultaneously, the invention also discloses a stocking method, when the system and the method disclosed by the invention are adopted, the influence on the subsequent sorting process flow caused by abnormal conditions in the stocking process is reduced, and the fault resistance and interference resistance capability of the stocking system are improved.

The invention discloses a foot physical therapy insole, and relates to the technical field of insoles. The insole comprises an insole body, and the insole body sequentially comprises a bamboo charcoal fiber layer, a first polyurethane foam layer and a second polyurethane foam layer from top to bottom. From the front end to the rear end of the insole body, the first polyurethane foam layer is sequentially provided with toe massage protruding points, forefoot massage protruding points, sole heart massage protrusions, foot arch massage protruding points, foot arch massage protrusions and heel massage protrusions; the part, corresponding to the front end of the insole body, of the second polyurethane foam layer is lacked, a containing cavity is formed in the lower side of the second polyurethane foam layer, and one heel shock-absorption mat is embedded into the containing cavity. The foot physical therapy insole is high in shock-absorption and foot-protection effect, good in air permeability and capable of remitting the flat foot and conducting massage and health care physiotherapy treatment.

The invention relates to a robot for automatically removing concrete pouring protective panels for pile foundations of high-rise buildings, which comprises a bottom plate, a walking device is installed on the lower end of the bottom plate, a reciprocating excavation device is installed on the front side of the upper end of the bottom plate, and an auxiliary device is installed on the bottom plate. The present invention can solve the problem of manual use of an electric chisel to separate the protective plate from the solidified concrete in the removal process of the existing pile foundation concrete pouring protective plate. Manual assistance is needed to remove the protective plate at a higher position with the help of existing climbing tools. The concrete particles splashed during the manual use of electric chisels are likely to hurt the staff. Removing the protective plate with the help of climbing tools poses a safety hazard , The manual removal of the pile foundation concrete pouring protective plate is difficult to operate and the work efficiency is low, and the function of automatic removal of the pile foundation concrete pouring protective plate can be realized.