35 results about "Shock absorber" patented technology

The present invention discloses a novel apparatus and way for controlling combustion dynamics in a premix combustion system. The apparatus comprises a hemispherical dome assembly with a plurality of dome dampers having a predetermined damper volume and air supply with the damper in fluid communication with the combustion chamber. The dome dampers are pressurized with a volume of air to dampen pressure waves received from the combustion chamber. One or more combustor frequencies can be targeted through use of the present invention.

The invention discloses a steel lead lamination node damper which comprises a lead energy consumption plate, a soft steel energy consumption plate, a damper end plate, a damper fixing plate, a steel beam and a steel column. The lead energy consumption plate and the soft steel energy consumption plate are manufactured into a 1/4 arc and are arranged in a lamination mode alternatively. The damper end plate and the damper fixing plate are welded at two ends of the arc respectively, one end of the damper fixing plate is connected with the steel beam through a bolt, and the other end is connected with the steel column through a bolt. The damper has the advantages of being high in initial rigidity and high in material yield dispersion area. No obvious stress concentration exists. The soft steel and the lead have good coordination performance, the material utilization rate is high, and the energy consumption effect is good. Meanwhile, the damper is simple in manufacture and installation, convenient to use, capable of being used for seismic design of newly-built projects and also capable of being used for reinforcement and maintenance of the existing projects.

The invention provides a high-temperature miniaturized resonant gyroscope. The gyroscope comprises a harmonic oscillator, a circuit board, piezoelectric elements, a supporting base, a shell and binding posts, wherein the harmonic oscillator is arranged in the shell and connected with the supporting base, and the piezoelectric elements are connected with the binding posts through a metal conductor.Key process points of internal elements of the gyroscope are fixedly connected by adopting a high-temperature material and a high-temperature process, and the gyroscope is a small-size gyroscope capable of working at a high temperature. The invention also provides an inertial navigation system. The system comprises a three-axis gyroscope, a three-axis accelerometer and a shock absorber, wherein the gyroscope is fixedly connected with the shock absorber, and the gyroscope adopts the high-temperature resonant gyroscope. The invention further provides a drilling measurement system and a drillingmeasurement method. The system has the environmental adaptability under high temperature, strong vibration and large impact and has the advantage of small volume of drilling measurement. The method is used in the measurement system, and underground position measurement can be accurately carried out.

The invention discloses a replaceable connecting beam with a double-security mechanism. The replaceable connecting beam comprises a replaceable member and concrete connecting beams at the two ends ofthe replaceable member, the replaceable member comprises a metal damper, a limiting anti-buckling restrained supporting device, a replaceable member connecting plate and a metal damper connecting plate. According to the replaceable connecting beam with a double-security mechanism, under the action of a large earthquake and a principal earthquake, the metal damper centralizes plastic damage, underthe action of a super-large earthquake or a large aftershock, when the metal damper fails and there is not enough time to replace the metal damper, therefore, the plastic damage is centralized into the replaceable member all the time, and other parts of the structure can be protected against unrepairable damage.

An intake apparatus including two intake ducts and a flap mechanism disposed in one of the two intake ducts, the flap mechanism including a main flap, a damper flap, a damper chamber cooperating with the damper flap to form a damper space, and a biasing member biasing the main flap in a closing direction. When the main flap is located in an angular range between the fully closing position and a predetermined opening angle, a peripheral edge of the damper flap is opposed to an inner wall surface of the damper chamber with a fine clearance to thereby render the damper space substantially closed. When the main flap is located with an opening angle larger than the predetermined opening angle, a communication passage to open the damper space is formed between the inner wall surface of the damper chamber and the peripheral edge of the damper flap.

The invention discloses a collision damper with thickening liquid elasticity. The damper comprises a damper cavity, springs are symmetrically arranged at the two ends of the damper cavity, and each spring is connected with an impactor; and a containing cavity is formed in the inner wall of the damper cavity, a sealing head is arranged at one end of the containing cavity, and the interior of the containing cavity is used for containing a shearing thickening liquid. According to the damper structure, the containing cavity is formed in the inner wall of the damper cavity, the shearing thickeningliquid is contained in the containing cavity, the viscosity of the shear thickening liquid becomes viscous under the action of high shear rate, so that the buffering effect of the damper is improved,and the damping effect of the damper is maximized, the overall stability of a system is improved; and the damper is convenient to manufacture, simple in structure and low in noise, and can be widely applied to various occasions.

A damper control device includes a rate sensor that detects a pitching angular velocity of a vehicle body, a vehicle speed sensor, a steering angle sensor and a calculation unit that detect a roll angle and a yaw angular velocity of the vehicle body, a pressure sensor that detects a pressure of a contraction-side chamber in a front-wheel side damper, a pressure sensor that detects a pressure of a contraction-side chamber in a rear-wheel side damper, and a correction unit that corrects the pitching angular velocity. The pressures are controlled on the basis of the corrected pitching angular velocity and the pressures. The vehicle speed sensor, the steering angle sensor and the calculation unit detect the roll angle and the yaw angular velocity on the basis of a traveling speed and a steering angle.

A squeeze film damper bearing device includes an inner race that is fitted around an outer periphery of a rotating shaft, an outer race that is supported on an inner periphery of a bearing retaining member, a plurality of rolling bodies that are disposed between the inner race and the outer race, and an annular space that is defined between the bearing retaining member and the outer race by a pair of seal rings and forms a squeeze film. The annular space includes a first space facing an outer peripheral face of the outer race and a second space facing an end face in an axial direction of the outer race.

The invention discloses an installation supporting base of a front shock absorber. The supporting base comprises a supporting base body, and a through hole for the front shock absorber to extend in and a plurality of first connection holes which are used for fixing the front shock absorber are formed in the supporting base; a cylindrical boss which is of a cavity structure is arranged on the top surface of the supporting base body in a protruding mode, and the through hole and the first connection holes are formed in the top surface of the cylindrical boss; a plurality of reinforcing ribs arearranged on the top surface and the peripheral side of the cylindrical boss in the circumferential direction of the through hole at intervals, and the reinforcing ribs extend to the edge of the supporting base body in the radial direction of the through hole. According to the installation supporting base of the front shock absorber, the structure intensity of a mounting point of the front shock absorber can be improved, and the cracking risk is lowered.

The invention relates to a transmission shock absorber which comprises an input motor rotor, an input disc and an input flange. The motor rotor is connected with the input disc. The input flange is connected to an input flange cover through a bolt connecting piece and connected with an input gear through a connecting device. A connecting disc in the connecting device is communicated with the inner center of the input flange. The two ends of the connecting disc are in contact with the inner wall of the input gear and the connecting disc is connected and fixed through a bolt penetrating through the inner center of the whole input flange. The input disc and the input flange cover are connected through a damping spring device. An elastic piece is arranged at the step end of the input disc in a sleeved mode and fixed to the input disc through a connecting piece. The elastic end of the elastic piece is pressed on the damping spring device. The transmission shock absorber has the advantages that the input disc and the input flange cover are elastically connected, so that large rotational inertia of the motor rotor is isolated and gear shift impact is reduced; meanwhile, parameters of the shock absorber are dynamically simulated through a transmission system, actually-collected data are substituted to conduct optimal computation, so that the effect is remarkable, noise of a motor and vibration caused by a transmission are reduced, a transmission shell is not damaged, and therefore the gear shifting quality and the automobile driving performance are improved.

The invention discloses a drawing die for a sheet metal part of an automobile shock absorber. The drawing die comprises a die carrier consisting of an upper die holder and a lower die holder, wherein a drawing female die is arranged on the upper die holder; a drawing male die fixing plate is arranged on the lower die holder; a drawing male die corresponding to the drawing female die is arranged on the drawing male die fixing plate; a blank holder corresponding to the drawing male die is arranged on the drawing male die fixing plate; a plurality of positioning pins are arranged on the blank holder; positioning holes corresponding to the positioning pins are formed in the drawing female die; and a plurality of L-shaped guide blocks wrapping corners of the drawing male die fixing plate are arranged on the lower die holder. By adoption of the mode, the drawing die for the sheet metal part of the automobile shock absorber, disclosed by the invention, has the advantages that the traveling precision is high, and the dimensional accuracy and stable reliability are improved; and meanwhile, the drawing die is equipped with the blank holder which is used for pressing and fixing operation parts in the drawing process and realizing a good wrinkle resisting effect.

The invention relates to a nested and filled type particle damper comprising large solid particle units, small solid particle units, buffer liquid parts and buffer material parts. Large particles arespheres, and the large particles are hollow. Small particles can be placed in the single large particle in a suspended mode, that is, the nested and filled type particle damper is formed by nesting the large particles and the small particles, meanwhile, gaps between the large particles and the small particles can be filled with buffer liquid, and buffer materials can be selectively pasted to the inner walls of the large particle units 1. Under the action of wind load, earthquakes and the like, kinetic energy of the structure is transferred and dissipated through friction and collision of largeparticle groups and friction and collision between the large particles and the small particles, between the large particles and the buffer liquid, as well as between the small particles and the buffer liquid, the collision efficiency between the particles can be improved through the nesting form of the large circular particles and the small circular particles, so that dissipation is improved, andthe energy dissipating capacity of the damper is further improved through introducing of the buffer materials.

The invention provides a connecting structure of a rear shock absorber of a cross-country motorcycle, which comprises a vehicle frame (1), a rear shock absorber (2), a rear bottom fork (3), a rocker (4) and a pull rod (5). The upper end of the rear shock absorber (2) is connected with the vehicle frame (1) by a four-sized pin (7); the rear bottom fork (3) is connected with the vehicle frame (1) by a five-sized pin (8); the pull rod (5) is connected with the vehicle frame (1) by a six-sized pin (9); a rotating hinge support of the rocker (4) is a three-sized pin (6c) which is arranged at the rear bottom fork (3). As the body structure of the rocker (4) is arranged at and above the rear bottom fork (3), the rocker ratio of the rocker (4) can be larger; and at the same time, as the rear shock absorber (2) has smaller relative swinging amplitude with the vehicle frame (1) when working, the rear shock absorber (2) has the advantages of good force condition and compact distribution.

The invention provides a high-pressure pump. The high-pressure pump comprises a fuel inlet end provided with a fuel inlet channel, a fuel outlet end provided with a fuel outlet channel, a shell, a plunger and a damper, wherein the shell is provided with a central shaft, and the fuel inlet end and the fuel outlet end are fixed to the shell; the shell comprises a plunger channel, a plunger cavity connected with the plunger channel, a buffer chamber arranged at the periphery of the plunger channel and a connecting passage communicating the buffer chamber with the fuel inlet channel; the plunger is arranged in the plunger channel and does reciprocating motion in the plunger channel in the central shaft direction; and the damper is fixed in the buffer chamber. According to the pump, the damperis fixed in the buffer chamber arranged at the periphery of the plunger channel, so that the space occupied by the high-pressure pump is reduced.

The invention relates to a shock absorber, in particular to a conversion type shock absorber. The absorber can be switched between two shock absorbing strengths, and when shock absorbing is not needed, the absorber can be switched to the fixed state and adapts to being applied under multiple actual conditions. A sliding frame comprises transverse sliding rods, side connecting rods, a rotating rodgroove, a fastening nut, a thread column, a rotating rod, round inserting holes, rotating shafts and a rotating round plate, two ends of the two transverse sliding rods are connected together throughthe side connecting rods, the rotating shafts are arranged at the upper end and the lower end of the rotating round plate, the rotating round plate is rotatably connected between the middles of the two transverse sliding rods through two rotating shafts, the transverse rotating rod groove is formed in one side of the rotating round plate, the thread column is fixedly connected with the middle of the rotating rod groove, the middle of the rotating rod is rotatably connected to the thread column, the outer end of the thread column is connected with the fastening nut through threads, the round inserting holes are formed in the two ends of the rotating rod, and the width of the rotating rod groove is equal to the width of the rotating rod.

The invention discloses a shear type metal damper. The shear type metal damper comprises a core plate, a lower connecting plate, a connecting sleeve and connecting pieces, wherein the connecting sleeve comprises an upper connecting plate and two wall plates, a plurality of position adjusting holes are formed in the wall plates, the connecting pieces penetrate through the position adjusting holes and the core plate, and gaps are formed between the connecting pieces and the position adjusting holes in the vertical direction. According to the shear type metal damper, the core plate is connected with the connecting sleeve through the connecting pieces, on the one hand, the connecting sleeve transmits shear force in the horizontal direction to the core plate through the connecting pieces, so that the core plate generates shear deformation, and on the other hand, when the damper is squeezed or stretched vertically, the core plate can generate relative displacement with the connecting sleevealong with the connecting pieces, so that the axial force is effectively released, the transmission of the shear force is not influenced, the adverse effect caused by vertical axial force is avoided,and the energy dissipation and damping capacity of the damper is improved, and the damper is used in the technical field of damping.

The invention relates to the field of electric stay bars of automobile tail gates, in particular to a friction type one-way damper, which comprises an output shaft, a shell, a cam, an input shaft anda damping module, wherein a first transmission protruding structure is arranged on the output shaft, a matched first transmission through hole is formed in the center of the cam, the output shaft, thefirst transmission protruding structure, the cam and the first transmission through hole drive to rotate mutually, E-shaped protruding structures on the input shaft are embedded into two U-shaped groove structures on two sides of the cam, in the space between the E-shaped protruding structures and the U-shaped groove structures, a plurality of friction columns are arranged, and an insulating material for separating the friction columns is arranged among the friction columns. The friction columns drive the damping module to provide resistance in reverse driving, and do not drive the damping module to provide the resistance in forward driving, so that the resistance that meets the requirements of the electric stay bars is provided in reverse driving when motor energy is saved in the forwarddriving process, and lower-power motors can be selected, so that the product cost is reduced, and the market competitiveness of products is improved.

The invention discloses a ceiling shock absorber. The ceiling shock absorber is simple in structure, easy to install, good in shock absorption effect, high in stability, small in occupied space in theheight direction and capable of facilitating ceiling element installation and positioning and ceiling leveling. The ceiling shock absorber comprises a frame (1) and a main bolt (2); a first through hole (11) allowing the main bolt (2) to penetrate through is formed in the middle of the frame (1); the rod portion of the main bolt (2) faces upwards and penetrates through the first through hole (11)from bottom to top; a fastening connecting part (9) used for being connected with a suspended ceiling is arranged on the upper portion of the rod portion of the main bolt (2); an elastic part (3) isarranged between the main bolt (2) and the frame (1) in a sleeved mode; and ceiling connecting parts used for being connected with ceiling elements (001) are arranged at the left side and the right side of the frame (1) respectively. The ceiling shock absorber is suitable for ceiling shock absorption.

The invention discloses a novel multi-group chain type tool magazine. The tool magazine comprises a tool magazine body, a tool magazine clamping and fixing plate and a tool magazine grounding adjustable supporting column, wherein the top end of the tool magazine body is fixedly connected with the tool magazine clamping and fixing plate, the top end of the tool magazine clamping and fixing plate ismovably connected with a purality of groups of chains, the bottom end of the tool magazine body is movably connected with the tool magazine grounding adjustable supporting column, the middle of the bottom end of the tool magazine clamping and fixing plate is fixedly connected with a part storage box, the top of the interior of the tool magazine body is fixedly connected with a cushioning damper,the cushioning damper facilitates accurate control operation of workers, a stress pull ring safely and effectively achieves the effect of contact control over the tool magazine, the part storage box is well convenient to take in time during use, the tool magazine clamping and fixing plate well embodies the fixing adaptability and adjustability of the tool magazine, the tool magazine grounding adjustable supporting column well embodies the operability of the tool magazine, and the tool magazine is suitable for reinforcing tool technological use and has a wide development prospect in the future.

The invention relates to the field of shock absorption devices, in particular to a shock absorber and application of the shock absorber in highway bridge supporting. A shock absorption device of a shock absorber comprises two pistons, a cylinder body and a throttling device. The two pistons are installed at the two ends of the cylinder body respectively. The throttling device comprises an upper sealing plate, a lower sealing plate, a first sliding way and two adjusting devices. According to the application of the shock absorber in highway bridge supporting, the shock absorber, a first bridge body and a second bridge body are included. The piston connecting plate is fixedly mounted at the lower end of the first axle body; the support is fixedly installed on the second bridge body. According to the shock absorber, differential shock absorption is carried out according to the strength of vibration, so that when the shock absorber is subjected to primary vibration, damping friction shock absorption, intermediate vibration, throttling damping shock absorption and high-grade vibration, the space of the first sliding way for sliding of the upper sealing plate and the lower sealing plate is reduced. The action interval of the multiple damping modes is shortened according to the vibration level, and therefore the damping effect is enhanced.

The invention belongs to the technical field of shock absorbers, and particularly relates to a rigidity-adjustable particle shock absorber for a high-rise civil structure. The rigidity-adjustable particle shock absorber comprises a main body; a frame body is mounted in the main body; second grooves are formed in two ends in the main body; second springs are mounted in the second grooves; second guide rods are mounted at one ends of the second springs; the frame body is installed at the ends, away from the second springs, of second guide rods; a first groove is formed below each second groove; a first spring is installed in each first groove; a first guide rod is installed at one end of each first spring, and a connecting rod is rotationally connected to the end, away from the first spring, of each first guide rod; a box body is mounted in the frame body; a spring device is installed on the inner wall of the frame body, and the frame body is connected with the box body through the spring device; sliding rings are installed at the bottom end of the box body; and sliding rods are slidably connected to the inner side walls of the sliding rings. The problems that a damper is single in control vibration, and multi-vibration control cannot be effectively conducted are solved.

The invention provides a grading transmission type energy-consuming damper. The invention belongs to the field of vibration control of building structures. A built-in foamed aluminum extrusion energy-consuming plate is arranged in the middle of the grading transmission type energy-consuming damper, two sides of the middle of the foamed aluminum extrusion energy-consuming plate are symmetrically provided with extrusion energy-consuming rubber plates, the left and right sides of each extrusion energy-consuming rubber plate are symmetrically provided with tension energy-consuming steel plates, and a connecting plate is arranged on the side of each tension energy-consuming steel plate away from the corresponding extrusion energy-consuming rubber plate. The grading energy consumption and transmission type multiple energy consumption effects can be achieved during tension. The grading transmission type energy-consuming damper has large initial rigidity, large yielding area of steel, and goodenergy consumption effect, a reserved gap is rotated to make the damper have a certain rotational energy consumption effect, an energy-consuming rib and a built-in elliptical hole make the energy consumption of the damper more sufficient, a lead pin has a good energy consumption effect and is easy to replace, the damping and energy consumption effects and the energy consumption magnification canbe adjusted according to the actual situation of a building structure, and the seismic response of the building structure can be reduced.

The invention discloses a shock absorber for automobile seats, comprising a horizontally arranged support plate; a support column is arranged above each of the four corners of the support plate, the inner side of each support column is provided with two fixed columns, both ends of the two fixed columns are provided with a screw rod, one end of each screw rod is clamped with a baffle plate, A basedevice is installed under the support plate, the lower part of the base device is provided with a bottom plate, a support bar is arranged above the four corners of the bottom plate, the upper part ofeach of the support bars penetrates the support plate, and the support bars are connected with the support columns; an outer part of each of the support bars is sleeved with a spring; a lower part ofthe support bars penetrates the bottom plate; and a bottom part of the support bars is sleeved with a second nut. Through the support column to support the automobile seat, the spring sleeved with thesupport bar can effectively reduce the vibration amplitude of the seat, thereby reducing the vibration feeling.