1691results about "Wound springs" patented technology

The invention provides a compression-torsion coupled metamaterial cell element and a negative Poisson's ratio energy absorption structure composed of the compression-torsion coupled metamaterial cell element, and relates to the technical field of compression-torsion energy absorption metamaterials. The cell element comprises an upper connecting plate assembly and a lower connecting plate assembly, an upper-layer four-rod tensioning assembly and a lower-layer four-rod tensioning assembly are arranged between the upper connecting plate assembly and the lower connecting plate assembly, each of the upper-layer four-rod tensioning assembly and the lower-layer four-rod tensioning assembly comprises four compression rigid rod pieces and a plurality of tension elastic bodies, the compression rigid rod pieces are staggered in space to form a quadrangular prism-like frame, and the tail ends of the upper compression rigid rod piece and the lower compression rigid rod piece are hinged; adjacent hinge points and two corresponding corners of the surfaces of the upper connecting plate assembly and the lower connecting plate assembly are connected through tensile elastic bodies and apply pre-tightening force; the energy absorption structure is formed by combining a plurality of cell element arrays, and the negative Poisson's ratio effect is achieved by regulating and controlling the arrays. According to the cell element, a tensioning structure is integrated into a metamaterial configuration, the cell element has the compression-torsion coupling characteristic, the non-localized deformation response of the structure is achieved, and the energy absorption structure has the negative Poisson's ratio effect and provides excellent bearing and impact resistance through an efficient energy absorption mechanism.

The present disclosure provides a spring module for a spring cushion of furniture and a spring cushion having the same, the spring module may comprise a spring and a spring bracket for accommodating the conical spring, and the spring bracket may comprise a base, an end cover and a flexible connecting part connected therebetween, the spring may be fixed in the spring bracket with a predetermined initial pressure. The present disclosure further relates to a spring cushion having the spring module.

The invention provides an active and passive combined type universal vibration isolation base and a vibration suppression method.The vibration isolation base comprises a base shell, a friction wall face, a transverse buffering mechanism, a high-strength elastomer and an axial buffering mechanism, the bottom of the base shell is connected with a vibration source, the friction wall face is installed on the inner wall of the base shell, and the transverse buffering mechanism abuts against the inner wall of the friction wall face; the vibration isolation object is connected to the top of the transverse buffering mechanism, the upper portion of the high-strength elastomer is elastically connected with the bottom of the transverse buffering mechanism, the lower portion of the high-strength elastomer is elastically connected with the top of the axial buffering mechanism, and the bottom of the axial buffering mechanism is connected to the bottom of the base shell. The transverse buffering mechanism and the axial buffering mechanism form a passive damping mechanism, and a magneto-rheological body adjusting structure arranged on the transverse buffering mechanism and a friction damping adjusting structure arranged on the friction wall face form an active adjusting mechanism. Through a passive damping mechanism and an active adjusting mechanism, efficient isolation of full-band vibration and multi-direction vibration can be achieved.

One example vibration damping bracket provided in some embodiments of this application includes a fastening bracket, a first bracket body, a second bracket body, a first vibration damping component, and a second vibration damping component. The first bracket body is elastically connected to the fastening bracket by using the first vibration damping component. The second bracket body is elastically connected to the first bracket body by using the second vibration damping component. The first vibration damping component includes a metal elastic part configured to absorb vibration, and the second vibration damping component includes a rubber elastic part configured to absorb vibration.

The invention discloses a spring with positioning rings and an elastic cushion comprising the spring, the spring comprises a spring body formed by spiral encircling, two ends of the spring body are encircled to form end face rings, the spring body is provided with at least one group of positioning rings, and the positioning rings are encircling rings of the spring body. The positioning ring is approximately parallel to the end face ring or approximately perpendicular to the elastic force direction of the spring body. The distance between the surrounding ring and the stress end is at least one fourth of the length of the spring. At least one group of positioning rings are designed on the spring body, the positioning rings are surrounding rings on the spring body, and the length of the positioning rings is larger than or equal to 1 / 2 of the circumference. The positioning ring is roughly parallel to the end face ring or roughly perpendicular to the elastic force direction of the spring body, in the follow-up assembling process, the connecting waist ring can be positioned, displacement of the connecting waist ring in the using process is effectively prevented, and convenience and stability of connection between the springs are improved.

A shock absorber body assembly is disclosed that is includes a shock body formed of a cylinder defining a top cylinder end and a bottom cylinder end, and having a cylinder wall that surrounds a cylinder cavity. The cylinder wall is defined by a solid interior portion and a raised cooling pattern disposed on and proud of an exterior side of cylinder wall. The raised cooling pattern is comprised of one or more fins, wherein the raised cooling pattern is configured to provide for heat transfer from hydraulic fluid within the cavity of the cylinder cavity to an environment external to the shock absorber body assembly. The raised cooling pattern includes one or more cooling fins that extend along a length of the cylinder in a straight line and extend outwardly from the cylinder wall in an orthogonal direction, a cooling lattice mesh, or a cooling gyroid mesh.

A spring module includes a spring and a spring bracket for accommodating the spring. The spring bracket may have a base, an end cover and a flexible connecting part connecting the base and the end cover. The spring may be fixed in the spring bracket with a predetermined initial pressure. The spring module may be used in a spring cushion for furniture.

The utility model relates to the technical field of valves, in particular to a pressure holding and releasing valve with a shock absorption function, which comprises a valve body, a valve cover, a pressure releasing guide valve, a valve rod, a main valve clack, a reset spring and a buffer mechanism, and adopts a mode of buffering rebound of the valve rod to effectively relieve impact force of the main valve clack on the valve body, reduce vibration frequency of the valve and peripheral pipelines and improve safety of the valve. The service life of the valve and the pipeline is prolonged, the sealing performance of the valve body is guaranteed, and the technical problem that the service life of the pressure maintaining and releasing valve and the peripheral pipeline is easily affected by vibration generated by frequent opening and closing conversion of the valve in the prior art is effectively solved.

The invention discloses a spring torsion device, a spring torsion system and an operating device. The spring torsion device comprises a sleeve, an axial torsion adjusting piece, a compression spring, a driven piece and a driving piece, the two ends of the compression spring abut against the axial adjusting piece and the driven piece respectively. The driving piece and the driven piece are in transmission fit through a spiral motion pair so as to drive the driven piece to move upwards to compress the compression spring and reset under the action of the compression spring after external force is removed. And the adjusting part on the main shaft is exposed through the opening at the upper end of the hollow part of the sleeve so as to realize rotary adjustment of the main shaft. In actual use, rotation control over the main shaft can be achieved by applying torque to the adjusting part, and then compression amount adjustment of the compression spring is achieved by controlling displacement of the axial torsion adjusting piece so as to meet adjustment of torsion output. In addition, the torsion system is provided with two spring torsion devices which are combined to achieve adjustment of independent torque in different angle areas, the human engineering requirement is met, and the use requirement of a user is met.

The utility model relates to the technical field of shock absorber accessories, and discloses an electric vehicle shock absorber connecting rod hanging ring convenient to install, which comprises a shock absorber cylinder barrel, a piston rod is arranged in the middle of the upper end of the shock absorber cylinder barrel, and reinforcing seats are fixedly connected to the upper end of the piston rod and the upper portion of the outer surface of the shock absorber cylinder barrel. A damping spring is jointly and fixedly connected between the opposite faces of the two reinforcing seats, mounting seats are fixedly connected to the middle of the lower end of the damper cylinder barrel and the middle of the upper end of the reinforcing seat on the upper side, fixing mechanisms are arranged in the two mounting seats, and hanging ring bodies are mounted in the middles of the opposite faces of the two mounting seats; and a label is adhered to the middle part of the front end of the shock absorber cylinder barrel. According to the electric vehicle shock absorber connecting rod lifting ring convenient to install, through the arrangement of the installation base and the fixing mechanism, the connecting rod lifting ring can be conveniently installed and disassembled, the connection strength of the connecting rod lifting ring after installation can be enhanced, the using effect is enhanced, and the electric vehicle shock absorber connecting rod lifting ring is suitable for being widely used.

The present disclosure provides an abutment structure and an abutment method thereof. The abutment structure includes a body portion, an abutment portion, and an elastic element, so that an elastic abutment space is formed between the body portion and the abutment portion. Alternatively, the abutment structure is provided with a wheel member, so that an elastic abutment space is formed between the abutment portion and the wheel member and the body portion. Smoother movement and effects of abutment and limitation can be achieved through the abutment portion, the wheel member, or cooperation between the abutment portion and the wheel member.

The present invention discloses a novel combined vibration damping device with adjustable stiffness and damping, which relates to the technical field of vibration damping; it includes a magneto-resistive stress negative stiffness spring located inside the housing and a piezoelectric friction assembly located inside the bearing seat; a central shaft is connected between the two, and a metal helical spring is sleeved outside the central shaft. The bottom of the metal helical spring is connected to a spring base located at the top of the housing, and the top of the metal helical spring is connected to the bottom of the bearing seat; the central shaft is fixedly connected to the top inside the housing through a metal cross leaf spring. The magneto-resistive stress negative stiffness spring and the metal cross leaf spring can be connected in parallel to achieve the adjustment of quasi-zero stiffness, and the piezoelectric friction assembly can achieve the adjustment of damping; a load platform is fixedly arranged at the top of the bearing seat. The present invention has non-linear frequency-varying characteristics of high static stiffness - low dynamic stiffness, large low-frequency damping - small high-frequency damping, and can well solve the contradiction between the bearing capacity and the vibration damping frequency band, as well as the contradiction between high-frequency and low-frequency vibration attenuation, and achieve high-performance vibration damping.

A device for adjusting the stiffness of a suspension spring includes a locking sleeve which defines a helical slot for accepting one end of the suspension spring, and an adjusting ring mounted with the ability to rotate relative to the locking sleeve about a main axis. The adjusting ring has a finger which emerges into the helical slot and is able to form an end stop for the end of the suspension spring. Structure is provided for locking the rotational mobility of the adjusting ring relative to the locking sleeve.

To provide a method for separating a balance spring, based on mechanically crushing the balance spring.SOLUTION: One aspect of the invention relates to a tool (100) for separating plates (123) of a balance spring (1, 2, 3) after winding. The tool has substantially parallel lower and upper rolling surfaces (4, 5) that are movable vertically or longitudinally relative to one another to deform the plate (123) by ovalization to cause the plate (123) to undergo a rolling movement between the rolling surfaces (4, 5). The invention further uses this tool (100) to separate the balance springs (1, 2, 3) from the plates and mechanically crush the balance springs within their elastic range, initiating the sequence of compressing and rolling the plate (123).SELECTED DRAWING: Figure 2

The utility model discloses a cold bonding type spring cushion for an automobile, which relates to the technical field of spring cushions, comprises a mounting body and a spring, and is characterized in that the top surface of the mounting body is provided with a containing groove for containing the spring and a mounting opening for mounting the spring in the containing groove, and the containing groove and the mounting opening are both coaxial with the mounting body; the sum of the corresponding central angles of the installation opening and the containing groove is 360 degrees, and a bonding layer used for bonding the spring is arranged in the containing groove. By the adoption of the structure, the containing groove is paved with the bonding layer, the bottom end of the spring is screwed into the containing groove from the installation opening till one end of the spring makes contact with the stopping part, the stopping part plays a role in limiting the spring and prevents the spring from sliding laterally, the boss clamps the bottom end of the spring, and the spring is prevented from falling off in the transportation process; and the bonding layer is stored between the bosses on the containing groove, the mounting body and the spring are connected more firmly through the bonding layer, and the mounting body and the spring are completely attached through the bonding layer.

A wear sleeve for a shock body is disclosed. The wear sleeve inner diameter (ID) that is larger than an outer diameter (OD) of a shock body. A wear sleeve OD that is smaller than a spring coupler ID, such that the wear sleeve will fit about the outside of said shock body and between the shock body and the spring coupler.

The utility model discloses a motorcycle shock absorber preload and damping adjusting assembly, a preload adjusting set comprises a spring supporting seat, a transverse pin, a preload adjusting ejector rod and a preload adjusting knob which are sequentially installed from bottom to top along the axis of a shock absorber outer pipe, and when the preload adjusting knob is rotated, the preload adjusting ejector rod is driven to rotate and move up and down at the same time; the damping spring is driven to extend or retract through the transverse pin and the spring supporting seat in sequence, so that spring preload adjustment is realized; the damping adjusting set is installed in the preload adjusting set and comprises a damping adjusting ejector rod, a damping adjusting axis and a damping adjusting button which are sequentially installed from bottom to top along the axis of the shock absorber outer pipe, and when the damping adjusting button is rotated, the damping adjusting axis is driven to rotate and move up and down at the same time; and the damping adjusting oil needle is driven to move up and down through the up-down movement of the damping adjusting ejector rod, so that the flow of the damping oil hole is adjusted. The preloading and damping adjusting assembly is installed on the end cover of the motorcycle shock absorber, can be independently adjusted, does not interfere with each other, and is convenient and fast.

The invention relates to an intelligent anti-grounding motorcycle shock absorber, and relates to the technical field of shock absorbers, the intelligent anti-grounding motorcycle shock absorber comprises a spring system, a damping system and an inertia reducing system, the spring system comprises an upper spring mounting seat, a main spring and a lower spring mounting seat which are mounted in sequence, and the damping system is provided with a frame end part and a wheel end part; a frame end component of the damping system is installed on the upper spring installation base, a wheel end component of the damping system is installed on the lower spring installation base, the wheel end component and the frame end component slide through a sliding pair, a damping channel is formed in the frame end component, and the inertia reducing system comprises an inertia rod device, an air pressure generating device and a reducing device. The reducing device is installed on the damping channel, the inertia rod device is installed on the wheel end component in a sliding mode, the air pressure generating device is installed on the wheel end component, the inertia rod device is in transmission connection with the air pressure generating device, and the air pressure generating device is communicated with the inertia reducing system and can prevent grounding.

The application discloses a high-precision Venturi valve characteristic nonlinear compression spring preparation method and a compression spring, and realizes accurate matching of compression spring performance and nonlinear flow regulation characteristics of the Venturi valve through multi-step optimization design. The method comprises the following steps: establishing a Venturi valve curve coordinate system, calculating a flow area, calculating an external force work, fitting a spring performance curve, determining a force value range, designing a spring gradual change process, heat treatment stress relief, testing and correction, ensuring that the spring performance meets the design requirements, and completing final standardization. The application provides a calculation method for force change law of a valve core of a Venturi valve and the valve core under different valve front static pressures, obtains a theoretical force curve, calculates compression and spring force compensation required by a damping structure of the valve core of the Venturi valve, and through forward development design and production, improves the independence of air volume and pressure of the Venturi valve and the air volume control precision.

To solve the problem that conventional hose and cable guidance means have difficulty in maintaining a three-dimensional free curved shape, and require a combination of a plurality of parts, which causes challenges in terms of degree of freedom for design and cost.SOLUTION: The present invention relates to a spring structure that can independently maintain a curved shape by alternately providing tightly wound parts and loosely wound parts every half turn in a compression coil spring. Further, desired curvature and rigidity can be obtained by adjusting a pitch interval and a D / d ratio, making it applicable to three-dimensional guidance and maintaining of hoses and cables. An end part shape can be formed integrally using an NC molding machine, making it compatible with a variety of mounting means.SELECTED DRAWING: Figure 5

A damping apparatus for use with a solar panel array and a solar tracking device that is operatively connected to the solar panel array to control positioning of solar panels. The damping apparatus can absorb kinetic energy from movement of the solar panels and convert the kinetic energy to heat energy. The damping apparatus can include one or more sensors that collect data corresponding to the heat energy. The damping apparatus can send instructions to the solar tracking device for adjusting the position of the solar panels based on the analysis of the sensor data.

The invention relates to the technical field of projector equipment, and discloses a projector vibration absorption component and a using method thereof.The projector vibration absorption component comprises a tooth type kinetic energy conversion mechanism, a longitudinal rack capable of longitudinally moving along with an upper mounting base is arranged in the tooth type kinetic energy conversion mechanism, and the tooth type kinetic energy conversion mechanism is matched with the longitudinal rack; the gear generates rotation; the rotating wheel rotates along with the gear; an arc-shaped friction plate which abuts against the bottom of the rotating wheel and generates a friction heat generation phenomenon when the rotating wheel rotates and a first spiral spring which generates upward elastic pressure on the arc-shaped friction plate are arranged in each buffer type friction mechanism. According to the projector vibration absorption component and the using method thereof, the projector vibration absorption component is installed between a supporting frame and a projection electronic element, once external vibration is transmitted to the projection electronic element through the supporting frame, kinetic energy can be converted into heat energy between the components, and therefore the function of absorbing the kinetic energy on the external vibration is achieved, and negative influences caused by the vibration are reduced.

Provided is a garter spring, a downhole tool and a well system. The garter spring, in one aspect, includes a coiled spring member having an inside diameter (ID1) and an outside diameter (OD1). The garter spring, in accordance with this aspect, further includes a plurality of spaced balls located within the inside diameter (ID1) of the coiled spring member, as well as ones of spacer elements located in gaps between the plurality of spaced balls.

Road vehicle suspension member for converting vibrations and / or mechanical stresses into electricity and a method for producing such a suspension member, the suspension member comprising at least one suspension element or at least one interface element, configured to participate in the fixing of at least one suspension element of the vehicle, and at least one continuous two-dimensional sheet, incorporated in or covering a surface of the suspension element or of the interface element, wherein the at least one two-dimensional sheet comprises at least one piezoelectric layer, comprising piezoelectric fibres collectively orientated in a common direction in such a way as to convert at least some of the vibrations and / or mechanical stresses undergone by the suspension element during operation of the vehicle into electricity, and an electrically conductive collector layer, covering the piezoelectric layer in such a way as to collect the electricity produced by the piezoelectric fibres.

The invention discloses an intelligent support adjusting device for a wireless laser displacement sensor, and belongs to the field of sensor application, the intelligent support adjusting device comprises a mounting bottom plate, an adjusting plate capable of rotating on the surface of the mounting bottom plate is arranged on the mounting bottom plate, and a hinge plate is hinged to the adjusting plate through a connecting seat; a support plate is detachably connected to the hinged plate through a bolt fastener, a driving assembly is arranged between the support plate and the adjusting plate, and the support plate can rotate in the direction perpendicular to the rotating plane of the adjusting plate through the driving assembly. The top of the support plate is provided with a positioning mechanism capable of damping an installed sensor to ensure the stability of the sensor, and the installation bottom plate is provided with an installation assembly capable of improving the installation flexibility of the support. According to the adjustable support for the wireless laser displacement sensor, multi-dimensional automatic adjustment of the wireless laser displacement sensor can be achieved through cooperation of the adjusting plate, the support plate and the driving assembly so as to adapt to different installation environments and measurement requirements.

The utility model relates to the technical field of hardware parts, in particular to an adjustable elasticity adjusting device and a spring system.The adjustable elasticity adjusting device comprises a sleeve, an elasticity adjusting assembly, a compression spring, a force transmission piece and a force application piece, and the two ends of the compression spring abut against the elasticity adjusting assembly and the force transmission piece respectively; under the condition of no external force, the compression spring enables the force transmission piece to be located at a first position in the sleeve; when the elastic force adjusting assembly is controlled, the compression spring can be compressed or released so as to change the elastic force of the compression spring acting on the force transmission piece. When the axial external force borne by the force application piece in the direction of the compression spring is larger than the elastic force exerted on the force transmission piece by the compression spring, relative position movement of instruments arranged at the two ends of the spring device is achieved; by means of the mode, the problems that in the prior art, a spring device is fixed in elastic force and single in use scene are solved.

The invention discloses a sleeve-shaped tuned mass damper mounting method based on parameter design calculation. The sleeve-shaped tuned mass damper mounting method comprises the following steps that S1, parameters of a single-column wind turbine platform and a whole machine structure are calculated; s2, calculating parameters of the sleeve-shaped tuned mass damper according to the structural parameters of the wind turbine; s3, the sleeve-shaped tuned mass damper is installed on the single-column type wind turbine platform; in the step S2, a kinetic equation is established through a kinetic analysis model, the optimal damping coefficient cd and the distance d of the translational and rotational freedom degrees are solved, and the step S2 comprises the substeps that S21, the single-column wind turbine platform and the sleeve-shaped tuned mass damper are simplified into equivalent four-freedom-degree models; s22, assuming that external excitation is a simple harmonic load, and deducing translation response and rotation response of the sleeve-shaped mass body and the single-column type wind turbine platform; s23, determining a damping tuning parameter and a frequency tuning parameter; s24, solving an optimal damping coefficient copt by a simultaneous equation in combination with a branch resonance point condition; and S25, calculating the distance d according to the rotation radius ratio rho.