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Spring mechanism
Owner:PANASONIC HOLDINGS CORP
Low-frequency tuned mass damping device for reversely stretching compression spring
ActiveCN120925412ALeaf springsSprings/dampers functional characteristicsVibration controlEngineering structures
The invention belongs to the technical field of low-frequency vibration control, and provides a low-frequency tuned mass damping device for reversely stretching a compression spring in order to solve the problem that a traditional tuned mass damper is limited in use of a vertical space due to too large net deformation of the spring under the low-frequency condition. According to the device, large compression deformation and reverse tensile deformation of the spring are fully realized in a limited vertical space in a manner of performing super-compression-reverse tensile treatment on the compression spring, relatively low rigidity required by a vibration system is achieved, low-frequency tuning can be realized in the limited vertical space of a bridge girder, and the rigidity of the vibration system is improved. The frequency application range of the tuned mass device is greatly expanded; and meanwhile, the problems that the stability problem is caused when a traditional compression spring mass body is arranged on the spring and the damping is too high and unstable due to the fact that a guide component is added are solved. The device is simple in structure, low in damping, low in space requirement and good in stability, and can be applied to vertical, lateral and torsional multi-type low-frequency vibration control of various engineering structures.
Owner:DALIAN UNIV OF TECH
Spring member, camera module, and electronic apparatus
Owner:TOPPAN HOLDINGS INC
Spring member, camera module, and electronic apparatus
This spring member includes a first surface and a second surface opposite to the first surface, and includes three or more thin wires in a cross section orthogonal to the first surface. Among the thin wires, the thin wires positioned at both ends are outer thin wires, and the thin wire between the outer thin wires is an inner thin wire. The inner thin wire has a width of 10 μm or more at the first surface and the second surface. At the first surface and the second surface, the outer thin wires have a width that is greater than the width of the inner thin wire by 2 μm to 8 μm.
Owner:TOPPAN HOLDINGS INC
Feed tower mounted leaf springs for magazines
Leaf springs for use in a firearm magazine are described. The leaf springs comprising an inner edge, an outer edge, and a channel, and configured to facilitate movement of cartridges within a feed tower of the firearm magazine. The leaf springs can be in a flexed or unflexed position, wherein downward movement of the cartridges in the feed tower outwardly flex the leaf springs into the flexed position to facilitate downward translation of the cartridges by forcing the inner edge of the leaf springs away from the cartridges, and in the unflexed position, the inner edge of the leaf springs is parallel or substantially parallel to an edge of the cartridges in the feed tower.
Owner:MAGPUL INDUSTRIES
Corrosion-resistant movable contact spring
The utility model provides a corrosion-resistant movable contact spring, which relates to the technical field of movable contact springs and comprises a movable contact spring body, a Z-shaped elastic sheet is mounted at the top of the movable contact spring body, a measuring sheet is mounted on the side surface of the movable contact spring body, a laser transmitter is mounted on one surface of the inner side of the measuring sheet, and the laser transmitter is mounted on the other surface of the inner side of the measuring sheet. A laser receiver is installed on the side, away from the laser transmitter, of the inner side face of the measuring piece, an elastic rubber sleeve is installed on the surface of the movable contact spring body, a reinforcing piece is installed on the inner side of the movable contact spring body, and a sealing ring is installed on the surface of the reinforcing piece. The movable contact spring body is composed of a protective layer, a stainless steel base body, an anti-corrosion layer, a passivation layer and an anti-rust layer in sequence from top to bottom, so that the overall corrosion resistance of the movable contact spring is improved, and the service life of the movable contact spring is prolonged.
Owner:宁波途丰电气有限公司
Rotation stop device
A rotation stop device for a rotatably mounted shaft, having a stationary stop body and a transmission which converts the rotational movement of the shaft into a linear movement of a driven element relative to the stop body, and having a stop element which can be moved by the driven element into a stop position in which it bears against the stop body. The stop element is coupled to the shaft in a rotationally fixed and axially displaceable manner by a linear guide.
Owner:ROLLAX GMBH & CO KG
A low frequency tuned mass damper device that reversely stretches a compression spring
ActiveCN120925412BLeaf springsSprings/dampers functional characteristicsVibration controlClassical mechanics
The present application belongs to the technical field of low-frequency vibration control, and aims at the problem that the traditional tuned mass damper is limited in vertical space use due to the excessive spring net deformation under low-frequency conditions, and provides a low-frequency tuned mass damper device which reversely stretches the compression spring. The device fully realizes the compression large deformation and reverse stretching deformation of the spring in the limited vertical space through the way of over-compression and reverse stretching of the compression spring, so as to achieve the required low stiffness of the vibration system. The low-frequency tuning can be realized in the limited vertical space of the bridge girder, and the frequency application range of the tuned mass device is greatly expanded. At the same time, the stability problem of the traditional compression spring mass body placed on the spring and the problem of excessive and unstable damping caused by the increase of the guide component are avoided. The device has simple structure, low damping, low space requirement and good stability, and can be applied to vertical, lateral and torsional multi-type low-frequency vibration control of various engineering structures.
Owner:DALIAN UNIV OF TECH
Structure and method for manufacturing the same
This suppresses buckling during structural deformation while limiting the overall increase in the weight of the structure. [Solution] The structure comprises a first elastic member extending linearly along a predetermined direction, and a second elastic member extending curvedly along a predetermined direction and having a plurality of joints joined to the first elastic member at intervals along the predetermined direction. Furthermore, the structure comprises a reinforcing member formed of a material with a lower mass density than the second elastic member and joined to the first or second surface of the second elastic member. When a pressing force is applied to the non-joint portion, which is the portion between two adjacent joints of the second elastic member, and the non-joint corresponding portion, which is the portion of the reinforcing member corresponding to the non-joint portion, in a direction that brings the structure closer to the first elastic member, compressive stress in a predetermined direction is generated in the second elastic member and the reinforcing member, accompanied by bending deformation of the non-joint portion and the non-joint corresponding portion, and tensile stress in a predetermined direction is generated in the first elastic member.
Owner:NATURE ARCHITECTS INC
Rotating mechanism and foldable display terminal
ActiveCN119687100BImprove shakingInhibit sheddingLeaf springsDetails for portable computersStructural engineeringMechanical engineering
The embodiment of the application discloses a rotating mechanism and a foldable display terminal, and relates to the field of electronic products. The rotating mechanism comprises a base and two door plate assemblies located on opposite sides of the base. The door plate assembly comprises a door plate body, the door plate body is provided with a first arc-shaped sliding groove, the base comprises a first sliding block matched with the first arc-shaped sliding groove, and the first sliding block is installed in the first arc-shaped sliding groove. At least one door plate assembly further comprises a first extrusion piece, the first extrusion piece is installed on the base, the first extrusion piece extrudes the door plate body along a first target direction, the first target direction is perpendicular to the sliding direction of the first sliding block, and the first target direction points to one side wall of the first arc-shaped sliding groove facing the first sliding block. Through the above arrangement, the first extrusion piece has an extrusion effect on the door plate body, the first extrusion piece can extrude the door plate body to one side wall of the first arc-shaped sliding groove, so that the matching gap between the first sliding block and the first arc-shaped sliding groove is reduced, and the phenomenon of shaking during use of the rotating mechanism is improved.
Owner:HUAWEI DEVICE CO LTD
Steel plate spring support assembly
The utility model discloses a steel plate spring support assembly which comprises two supports, the supports form a first clamping groove of a U-shaped structure through a base, a side plate and a pressing plate, and the supports form a second clamping groove of a U-shaped structure through a square groove in the bottom of the side plate and two bottom plates connected to the two sides of the square groove. The two supports are clamped on the power bridge through the second clamping grooves and are welded and fixed, the two supports are clamped on the two sides of the steel plate spring, the steel plate spring is clamped in the first clamping grooves of the two supports, the middle of the steel plate spring is fixed to the power bridge, installation is convenient, the steel plate spring can be structurally fixed, and the service life of the steel plate spring is prolonged. The steel plate spring support assembly is simple in structure, does not cause potential safety hazards even if the steel plate spring support assembly is loosened, plays a very important role in a truck with a steel plate spring damping structure, realizes a lightweight structure of the steel plate spring support assembly, is high in safety, good in stability and light and convenient to use, and reduces resource consumption.
Owner:HEFEI NANFANG AUTO PARTS
Suspension cross member assembly and method of designing a match
The present application relates to the technical field of automobile suspension cross beam assembly, and provides a suspension cross beam assembly and a design matching method thereof, wherein the suspension cross beam assembly comprises at least two cross beams, a first connecting support, a second connecting support and a plurality of first connecting pieces, the cross beam is provided in a sheet shape, the at least two cross beams are arranged side by side along a first direction, and the cross beam is provided with a first connecting hole and a second connecting hole at two ends along the first direction; the first connecting support is arranged at one end of the cross beam along the first direction, the second connecting support is arranged at the other end of the cross beam along the first direction, the first connecting support is provided with a plurality of first fixing holes, and the second connecting support is provided with a plurality of second fixing holes; and the plurality of first connecting pieces are respectively arranged between the first connecting hole and the first fixing hole and between the second connecting hole and the second fixing hole, so as to fixedly connect the first connecting support and the second connecting support to the two ends of the cross beam respectively. The suspension cross beam assembly structure is easy to maintain and simple and reliable.
Owner:SINO TRUK JINAN POWER CO LTD
Single track vehicle
A single track vehicle, in particular a motorcycle, comprising a frame (2), a swing arm (3) rotatable relative to the frame (2), and a leaf spring (4) connected on the one hand to the frame (2) and on the other hand to the swing arm (3) in order to obtain a spring action between the swing arm (3) and the frame (2), the leaf spring (4) being connected to the frame (2) via a first lever (5.1) and a first pivot bearing (6.1), Thus, a first pivot axis of the first pivot bearing (6.1) is laterally offset with respect to the leaf spring (4) based on the first lever (5.1) and / or the leaf spring (4) is connected to the swing arm (3) via a second lever (5.2) and a second pivot bearing (6.2), whereby a second pivot axis of the second pivot bearing (6.2) is laterally offset with respect to the leaf spring (4) based on the second lever (5.2).
Owner:KTM AG
Spring and safety tongs
The utility model discloses a spring and safety tongs, a clamping device is arranged in the safety tongs, the safety tongs are provided with side plates, the spring comprises at least two spring bodies, the spring bodies are symmetrically arranged in the safety tongs, and each spring body comprises a positive pressure part, a side abutting part and a mounting part which are integrally formed and fixedly connected in sequence; the shape of the spring body is matched with that of the side plate, the end, close to the clamping device, of the spring body abuts against the clamping device, and the face, making contact with the clamping device, of the spring body is a plane or a curved face. Compared with the mode of using a U-shaped spring in the prior art, the two spring bodies symmetrically arranged in the safety tongs have the advantages that the use size is small, the occupied space is small, the manufacturing cost is low, batch production can be achieved, the machining error is low, repeated debugging is not needed during installation, meanwhile, the problem of displacement in the use process can be avoided, and the safety is high.
Owner:LANGFANG DONGFANG NAT MASCH MFG CO LTD
U-shaped spring
The utility model discloses a U-shaped spring. A line segment BC on the inner side of the upper portion of a U-shaped spring body is perpendicular to the extension line of a line segment DA on the upper surface of the bottom of the U-shaped spring. The thickness of the bottom of the U-shaped spring is t3; the middle side line segment BB2 of the U-shaped spring is parallel to the top line segment CC1, and the thickness of the U-shaped spring BB2 is t2; the thickness of the upper CC1 part of the U-shaped spring is t1; the thickness relation of each part of the U-shaped spring is t3gt; t2gt; t2gt; t1; t1 / t3 is 2 / 3, a line segment C1B1 on the outer side of the upper portion of the U-shaped spring body and an arc A1B1 on the outer side of the U-shaped spring body are tangent to the point B1, the curvature radius of the arc A1B1 segment is gradually decreased from the point A1 to the point B1, and at least two fixing holes are formed in the two sides of the upper portion of the U-shaped spring respectively. According to the utility model, the U-shaped spring is reasonably designed; not only is the sensitivity of the U-shaped spring met, but also a device at the rear end of the U-shaped spring is protected, and the rigidity of the U-shaped spring is increased along with the increase of the compression amount; and the upper end of the U-shaped spring is gradually thinned, so that the self weight of the U-shaped spring is reduced, and the material cost is reduced.
Owner:SHANGHAI HEGONG DISC SPRING MFG CO LTD
A semi-trailer frame and a semi-trailer
This invention relates to the field of trailer technology, and in particular to a semi-trailer frame and semi-trailer. The semi-trailer frame includes a leaf spring assembly, which comprises spring steel plates, pads, long rollers, and a damping adjustment assembly. Multiple leaf spring assemblies of varying lengths are included. The spring steel plates are aligned at their centers and spaced vertically, with the length of the upper spring steel plate being no less than the length of the lower spring steel plate in any two adjacent pairs. Multiple pads are also included. This invention incorporates long rollers and a damping adjustment assembly. When a lightly loaded semi-trailer encounters minor road bumps, the reciprocating rolling of the long rollers within the gaps between the spring steel plates dissipates the vibration energy. This significantly reduces the vibration force transmitted from the axle to the support frame via the leaf spring assembly, thereby filtering out minor road vibrations and improving the comfort of the driver and co-driver.
Owner:GUANGZHOU BEITOJIA METAL PROD CO LTD
Vibration and shock absorption device for equipping a multi-leaf spring in a suspension
Vibration and shock absorption device for equipping a multi-leaf spring, comprising: - a first buffer (1), including: a first plate (10), a first elastic coating (11), a threaded rod (12); - a second buffer (2), including: a second plate, provided with a through hole arranged to receive the threaded rod (12), a second elastic coating (21), provided with a through opening (210) arranged to face the through hole, a nut (3), arranged to cooperate with the threaded rod (12) so as to assemble the second buffer (2) to the first buffer (1) when the through hole receives the threaded rod (12), the through opening (210) being dimensioned to receive the threaded rod (12) and the nut (3). Figure 3
Owner:JSA
Energy-saving and environment-friendly automobile rear frame rear plate spring support structure
Owner:QINGDAO HENGHAI PRECISION CASTING CO LTD
Transmission device of large-scale integral type pipe conveying vehicle
ActiveCN224210902UReduce the difficulty of operationeasy steeringLeaf springsControl devicesDrive shaftControl theory
The utility model discloses a transmission device, belongs to the technical field of pipe conveying vehicles, and particularly relates to a large integral pipe conveying vehicle transmission device which comprises a gearbox, a front driving assembly, a rear driving assembly and a gear shifting assembly. The front driving assembly and the rear driving assembly are connected with the front end and the rear end of the gearbox respectively, and the gear shifting assembly is connected with the gearbox. The gear shifting assembly comprises a first transmission shaft, a first gear connecting rod, a second gear connecting rod, a duplex flexible shaft controller and a gear shifting rotating shaft. According to the transmission device, speed adjustment work is achieved through the gearbox, meanwhile, the gear shifting assembly is provided with a plurality of speed gears, different speeds can be selected according to different requirements and scenes, and meanwhile the front driving assembly and the rear driving assembly are connected with the gearbox to conduct driving and steering work; therefore, adjustment of various speeds can be achieved, and steering is more convenient.
Owner:JIANGYIN KALIGE MASCH CO LTD
Magnetic suction tray, rigid balance shaft support and heavy vehicle
The invention relates to a magnetic attraction tray, a rigid balance shaft support and a heavy vehicle, the magnetic attraction tray comprises a bottom plate, a permanent magnet and a switch mechanism, the bottom plate is horizontally and fixedly arranged, and the permanent magnet is installed on the bottom plate; the switching mechanism is mounted on the bottom plate, is in transmission connection with the permanent magnet and is used for opening and closing the permanent magnet. The balance bearing hub assembly has the beneficial effects that the structure is simple, the design is reasonable, the opening or closing of the permanent magnet can be realized, so that the balance shaft bracket can be quickly adsorbed, fixed and unlocked, and the stability of the balance bearing hub assembly is ensured; in addition, any part and part of the magnetic tray do not interfere with each other, and the operation efficiency is high.
Owner:DONGFENG MOTOR WHEEL CO LTD
Plate spring and vehicle
Owner:CHINA FAW CO LTD
Detachable and replaceable double-order metal damper with coaxial output
The detachable and replaceable double-step metal damper comprises a strong side damping end, a weak side damping end and a middle plate, the strong side damping end comprises strong side end plates, strong side mild steel plates and a strong side pin shaft, the strong side end plates are located on the two sides of the middle plate, and the strong side mild steel plates are connected with the middle plate and the strong side end plates; the strong side pin shaft is positioned between the two strong side end plates, and the end part of the strong side pin shaft is inserted into the strong side end plates; the weak-side damping end comprises weak-side end plates, weak-side mild steel plates and weak-side pin shafts, the weak-side end plates are located on the two sides of the middle plate, the weak-side mild steel plates are connected with the middle plate and the weak-side end plates, the weak-side pin shafts are located between the two weak-side end plates, the ends of the weak-side pin shafts are inserted into the weak-side end plates, and the strong-side pin shafts and the weak-side pin shafts are located at the two ends of the middle plate respectively; and a force transmission limiting rod is connected between the two weak side end plates. The damper has the effect of being convenient to replace, two output forces of the damper are on the same axis, and no additional bending moment is applied to a building.
Owner:浙江震防科技股份有限公司
A method for preparing a composite vibration damper of high-pressure metal fiber sintered body and metal plate
ActiveCN117307652Bimprove performanceGive full play to vibration damping capabilitiesLeaf springsSprings/dampers design characteristicsCompressive resistanceMetal fibers
This invention discloses a method for preparing a composite vibration damper consisting of a high-pressure-bearing sintered metal fiber body and a metal plate, belonging to the technical field of composite vibration dampers. By controlling factors such as the diameter, porosity, and thickness of stainless steel fibers, and through high-temperature sintering and pressure forming, this invention obtains a stable, high-compressive-strength stainless steel felt sintered body (SFB). The metal plate is then combined with the SFB to fully utilize the vibration damping energy of the SFB, resulting in a high-pressure-bearing metal fiber vibration damper. This vibration damper exhibits high compressive strength and excellent vibration damping performance, and also possesses characteristics such as corrosion resistance, high-temperature resistance, machinability, and strong environmental adaptability.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Vehicle undercarriage
To provide a vehicle lower structure that improves straight-line stability while reducing the installation space for leaf springs in the vehicle width direction. [Solution] A vehicle undercarriage structure having a pair of side members 5, 6 arranged at intervals in the vehicle width direction and extending in the fore-and-aft direction of the vehicle, leaf springs 11 arranged so as to extend in the fore-and-aft direction of the vehicle along the pair of side members 5, 6 and support the axles of the vehicle's rear wheels, and a connecting shaft 23 that swingably connects the front end of the leaf spring 11 to the side members 5, 6, and the connecting shaft 23 is arranged inclined toward the front of the vehicle and inward in the vehicle width direction.
Owner:MITSUBISHI MOTORS CORP
Vent valve with variable rigidity
The invention provides a rigidity-variable exhaust valve which comprises a base, the base comprises a bending part and a side plate assembly, the bending part comprises a first bottom plate, a second bottom plate and a side plate assembly, the first bottom plate and the second bottom plate are fixedly connected, the side plate assembly comprises a first side plate and a second side plate, the first side plate is arranged on one side of the bending part, and the second side plate is arranged on the other side of the bending part; the second side plate is arranged on the other side of the bending piece, and the rotating shaft is rotationally arranged on the side plate assembly; the valve plate is fixedly connected with the rotating shaft, and the valve plate can cover or open the through hole; the spring piece is arranged on the side, away from the first bottom plate, of the valve piece. And the adjusting assembly comprises at least two adjusting rods. According to the exhaust valve with the variable rigidity, the rigidity of the spring piece is adjusted by adjusting the positions of the first adjusting rod and the second adjusting rod in the assembly, the number and the positions of the adjusting rods of the valve body of the exhaust valve with the variable rigidity can be changed according to actual working condition requirements, and the exhaust valve is flexible and adjustable.
Owner:WUXI WEIFU LIDA CATALYTIC CONVERTER
Multi-layer composite suspension for a vehicle
UndeterminedDE102018219245B4Leaf springsResilient suspensionsSuspension (vehicle)Mechanical engineering
Multi-layer composite suspension (100) for a vehicle, the suspension comprising: a first mounting unit (200) attached to a rubber spring (10); a second mounting unit (300) attached to a center bolt receptacle (20); and a plurality of composite springs (100) coupled to the first mounting unit (200) and the second mounting unit (300) at opposite ends and spaced perpendicularly apart from each other, the composite springs (100) comprising an upper spring (110) and a lower spring (120), the first mounting unit (200) comprising: a first upper mount (210) coupled to a first end section of the upper spring (110);and a first lower bracket (220) connected to a lower section of the first upper bracket (210) so that it is coupled to a first end section of the lower spring (120), and the second bracket unit (300) comprising: a second upper bracket (310) coupled to a second end section of the upper spring (110); and a second lower bracket (320) coupled to a second end section of the lower spring (120).
Owner:HYUNDAI MOTOR CO LTD +1
Floating type chassis structure and cleaning robot
The invention discloses a floating type chassis structure and a cleaning robot thereof, and relates to the technical field of cleaning robots, the floating type chassis structure comprises a main frame, a steering drive axle and a floating axle, the steering drive axle is mounted on the front side of the lower end of the main frame and used for providing driving power and left-right steering; the floating bridge comprises an installation frame fixed to the lower end of the main frame, two sets of symmetrically-arranged floating supporting arm assemblies are installed on the installation frame, an axle set is installed at the lower ends of the floating supporting arm assemblies, and a floating plate spring assembly is installed on the axle set so that the floating stability of the main frame can be improved. In the driving process of the cleaning robot, if the cleaning robot encounters some large sunken ground, the middle axle on the front side can be suspended firstly, and due to the effect of the floating plate spring assembly, the middle axle or the rear axle can rotate, so that the middle axle or the rear axle can make contact with the ground and can be better attached to the ground, and the ground grabbing capacity of the chassis is improved.
Owner:SHANGTEJIE POWER TECH CO LTD
Clamp and steel plate spring assembly
The invention discloses a structure schematic diagram of a clamp and a steel plate spring assembly, the clamp is configured to connect at least two adjacent steel plate spring pieces, the clamp comprises a connecting body, the connecting body is configured to be connected to one steel plate spring piece, and a clamping groove is formed in the connecting body relative to the other adjacent steel plate spring piece; the opening end of the clamping groove is gradually reduced in the direction close to the other adjacent steel plate spring piece and used for being connected with the other adjacent steel plate spring piece, and the cross section of the connecting body comprises a first steel plate layer, a first rubber layer and a second steel plate layer which are sequentially arranged from inside to outside and connected with one another. The problem that when the impact force of the road surface on the wheel is transmitted, transverse movement and longitudinal movement exist between the multiple steel plates, and consequently friction noise is generated can be effectively solved.
Owner:HUBEI PROVINCE SHENFENG AUTOMOBILE SPRING CO LTD
Spring member, camera module, and electronic device
Owner:TOPPAN HOLDINGS INC
Plate spring and Stirling refrigerator
The utility model relates to a plate spring and a Stirling cryocooler, which comprise a base circle part provided with a base circle part mounting hole; one end of each cantilever is connected with the base circle part, and the other end of each cantilever freely extends around the vertical central axis of the base circle part in the same direction. The plate spring is light in weight and small in size, the radial rigidity can be effectively improved under the condition that the ratio of the maximum stress to the axial rigidity is not greatly changed, stress distribution is more uniform when the plate spring works, and stress concentration is effectively reduced.
Owner:WUHAN GAOXIN TECH