Patents
Literature
213 results about "Rubber bearing" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Prefabricated bridge rubber support deformation detection method and system based on MVMFormer
The invention relates to an MVMFormer-based prefabricated bridge rubber support deformation detection method and system, which are used for carrying out compression and shear performance tests on prefabricated bridge rubber supports made of different materials. Obtaining different deformation diagrams under a vertical load in the testing process, a vertical load limit diagram when deformation and damage occur, a deformation diagram in the simulation process, a limit diagram under single-side stress when deformation and damage occur, a deformation diagram in the simulation process and a transverse force limit diagram when deformation and damage occur; forming a classification data set by using the deformation graph, the corresponding experiment working condition and the non-deformation original graph, and training a classifier by using the classification data set; and identifying the experimental working condition of the image to be detected by using the classifier, and then performing segmentation. Corresponding limit diagrams and deformation diagrams under different experiment working conditions are obtained according to compression and shear performance tests, semantic segmentation is carried out on the basis, and detection and timely early warning of the phase rubber support deformation are achieved.
Owner:EAST CHINA JIAOTONG UNIVERSITY +1
Bridge engineering rubber support testing machine and detection method thereof
ActiveCN119985099AMaterial strength using tensile/compressive forcesBridge engineeringCompressive resistance
The invention provides a bridge engineering rubber support testing machine and a detection method thereof, and relates to the technical field of engineering detection. The bridge engineering rubber support testing machine comprises a testing machine body and a rubber support body, the testing machine body comprises a pressurizing head and a testing table, the pressurizing head is located above the testing table, the rubber support body is located on the testing table, and the rubber support body comprises a basin type base, a rubber block and a top cover. The rubber block is located in the basin-type base, the top cover is installed at the top of the rubber block, the measuring rulers are installed on the two sides of the testing table respectively, the measuring rulers are clamped on the side walls of the two sides of the testing table, and side face supporting pieces are installed on the measuring rulers. According to the invention, by arranging the side supporting piece capable of adjusting the position of the rubber support, the rubber support is adjusted to an inclined state before the pressurizing head detects the rubber support, so that the inclined pressure resistance of the rubber support can be conveniently tested.
Owner:HUAIAN CONSTR ENG QUALITY TESTING CENT CO LTD
A bridge engineering rubber bearing testing machine and its detection method
ActiveCN119985099BMaterial strength using tensile/compressive forcesBridge engineeringArchitectural engineering
The present invention provides a bridge engineering rubber bearing testing machine and its detection method, which relates to the technical field of engineering detection. This kind of bridge engineering rubber bearing testing machine includes a testing machine body and a rubber bearing body. The testing machine body includes a pressure head and a test bench. The pressure head is located above the test bench, and the rubber bearing body is located on the test bench. The rubber bearing body includes a pot-shaped base, a rubber block, and a top cover. The rubber block is located inside the pot-shaped base, and the top cover is installed on the top of the rubber block. Measuring scales are respectively installed on both sides of the test bench, and the measuring scales are clamped on the side walls on both sides of the test bench. Side supports are installed on the measuring scales. By setting side supports that can adjust the position of the rubber bearing, the rubber bearing is adjusted to an inclined state before the pressure head detects the rubber bearing, so as to facilitate testing the inclined compressive capacity of the rubber bearing.
Owner:HUAIAN CONSTR ENG QUALITY TESTING CENT CO LTD
An internal mixer for rubber bearing production
The present invention relates to the technical field of rubber processing equipment, and provides a rubber open mill for rubber bearing production, which includes a frame body; a rubber mixing roll is rotatably arranged in the frame body, and the paired rubber mixing rolls are used for extruding materials; the feeding device includes: a first tool rest is slidably arranged relative to the rubber mixing roll and is located above the rubber mixing roll; a cross-cutting knife is swingably arranged on the first tool rest. After the cross-cutting knife swings, it abuts or disengages from the material attached to the rubber mixing roll. After the first tool rest slides, it moves from one side of the rubber mixing roll to the other side for horizontally cutting the material; a scraper is swingably arranged relative to the rubber mixing roll and is located above one side of the rubber mixing roll. After the scraper swings, it abuts against the material for peeling the material from the rubber mixing roll. Through the above technical solution, the problem of high danger in feeding of the rubber open mill in the prior art is solved.
Owner:HENGSHUI HUAGONGJIAN ENG RUBBER CO LTD
A friction pendulum combined three-dimensional seismic isolation bearing using vertical laminated rubber
The present invention discloses a three-dimensional seismic isolation bearing using a friction pendulum combination of vertically laminated rubber, which belongs to the field of seismic isolation technology. The present invention includes a base, a vertically laminated rubber seismic isolation device and a horizontal friction pendulum seismic isolation device. The present invention solves the problem that the existing combined bearings are simply superimposed and combined, which may cause the bearings to be too high, the connections between the components to be loose, and it is impossible to achieve a good three-dimensional seismic isolation effect. The present invention rationally combines the vertically laminated rubber bearings and the friction pendulum bearings, and while achieving three-dimensional seismic isolation, effectively controls the height of the bearings, so that the bearings have good stability and pull-out resistance, can effectively consume and isolate seismic energy, reduce the seismic effects borne by the structure, thereby enhancing the seismic resistance of the structure or equipment and reducing earthquake losses.
Owner:INST OF ENG MECHANICS CHINA EARTHQUAKE ADMINISTRATION
Multi-layer rubber bearing for vehicle body hinging device and application and design method of multi-layer rubber bearing
PendingCN120007695APivotal connectionsSliding contact bearingsClassical mechanicsStructural engineering
The invention relates to the technical field of spherical elastic bearings, in particular to a multi-layer rubber bearing for a vehicle body hinging device and an application and design method of the multi-layer rubber bearing. The multi-layer rubber bearing for the vehicle body hinge device comprises an upper connector, a plurality of spacers and a lower connector which are sequentially arranged and a rubber layer integrally formed among the upper connector, the spacers and the lower connector, the upper connector comprises a convex spherical surface end, the lower connector comprises a concave spherical surface end, the spacers are hemispherical spacers, and the rubber layer is arranged between the upper connector and the lower connector. The convex spherical surface end of the upper connector, the concave spherical surface end of the lower connector and all the spacers share the same sphere center, and the convex spherical surface end of the upper connector extends into the concave spherical surface end of the lower connector. The application method of the multi-layer rubber bearing for the vehicle body hinging device comprises the step that the far ends of the upper fixed hinge and the lower fixed hinge are connected with adjacent vehicle bodies respectively. The design method of the multi-layer rubber bearing for the vehicle body hinge device comprises the step of adjusting the product performance by changing the characters of the rubber layers and the spacers.
Owner:ZHUZHOU TIMES NEW MATERIAL TECHNOLOGY CO LTD
Isolation Rubber Bearing Deformation Monitoring Device and Method
The present invention relates to the technical field of seismic isolation bearings, and in particular, to a deformation monitoring device and method for a seismic isolation rubber bearing. The planar detection substrate and the conical detection substrate of the deformation monitoring device for the seismic isolation rubber bearing are both connected to the rubber bearing body; the probes of the first displacement detection sensor and the probes of the second displacement detection sensor are respectively in contact with the planar detection substrate and the conical detection substrate; wherein, the surface of the planar detection substrate for contacting the probe of the first displacement detection sensor is a plane, and the surface of the conical detection substrate for contacting the probe of the second displacement detection sensor is a conical surface. The deformation monitoring device for the seismic isolation rubber bearing has a simple structure, can be installed and used together with the bearing, and can simultaneously monitor the vertical force and the shear force, so that it is convenient to understand the performance of the bearing and the damage condition after an earthquake during long-term use.
Owner:INST OF ENG MECHANICS CHINA EARTHQUAKE ADMINISTRATION
Graded energy consumption type seismic mitigation and isolation support
ActiveCN223255833UNon-rotating vibration suppressionBridge structural detailsSpherical bearingShearing deformation
The utility model discloses a graded energy consumption type seismic mitigation and isolation support, and relates to the technical field of seismic mitigation and isolation supports. The rubber support is connected to the bottom of the spherical support; the bottom basin assembly comprises a bottom plate and supporting stoppers, the supporting stoppers are fixed to the periphery of the bottom plate, the ends, away from the spherical support, of the rubber supports are connected with the bottom plate, the rubber supports are located in the supporting stoppers, and threaded holes are formed in the ends, away from the bottom plate, of the supporting stoppers; and the limiting stop block is fixed in the threaded hole in the supporting stop piece through the anti-shear pin, and the inner edge of the limiting stop block protrudes out of the inner side of the supporting stop piece and is used for limiting the spherical support. The graded energy dissipation function is achieved, when a bridge and a building structure normally operate, the spherical support horizontally moves and turns, and friction energy dissipation of the spherical support is mainly achieved; under the action of an earthquake, the rubber support is subjected to shear deformation, and the spherical support and the rubber support are combined to consume energy.
Owner:FENGZE INTELLIGENT EQUIP CO LTD +1
Rubber support with system conversion function
The utility model belongs to a bridge support, and particularly relates to a rubber support with a system conversion function. Comprising a rubber support body composed of horizontal steel plates longitudinally distributed in a rubber block, a pre-buried plate arranged on the upper surface of the rubber support body, an anchoring sleeve fixed to the pre-buried plate and used for being fixed to an upper structure, and a shear plate or a shear frame arranged on the lower surface of the pre-buried plate and matched with the periphery of the rubber support body. The shear plates or the shear frames are fixed through shear bolts. According to the utility model, the problems of large one-time investment and poor long-term operation performance reliability of the existing product are effectively solved. The system switching device has the advantages of being capable of meeting the requirements of system switching under different working conditions, simple in structure, good in part connection reliability, good in protection effect, long in service life, low in production and maintenance cost and the like.
Owner:NANJING MODERN MULTIMODAL TRANSPORTATION LABORATORY +2
Liftable rubber bearing with air spring
ActiveCN116044035Bincrease stiffnessImprove carrying capacityProtective buildings/sheltersRolling resistance optimizationAir springImpact
The present invention discloses a liftable rubber bearing with an air spring, belonging to the technical field of bridge shock absorption. It includes an upper pier and a lower pier arranged oppositely, and the upper pier and the lower pier are connected by support columns. The support columns include connecting cylinders, rubber bonding blocks and a number of air elastic columns. The connecting cylinder is provided with a number of uniformly distributed air elastic columns penetrating along its circumferential direction. The air elastic columns can extend or shorten along the axis direction of the support column, and the connecting cylinder is filled with the rubber bonding blocks. By arranging a number of air elastic columns that can expand and contract along the axis direction of the support column in the circumferential direction of the support column, using the elastic characteristics of the air elastic columns, as the vibration load of the rubber bearing increases, the bearing capacity of the rubber bearing increases, and the air elastic columns can suppress the vibration amplitude and avoid resonance. When the impact load increases, the stiffness also becomes larger, ensuring a good vibration isolation effect.
Owner:JIANGMEN XINHUI SEALING TECH
Variable-stiffness friction slippage anti-swing three-dimensional shock isolation device and shock absorption method thereof
PendingCN122014041AGeometric CADProtective buildings/sheltersFrictional coefficientClassical mechanics
The invention discloses a variable-stiffness friction slippage anti-swing three-dimensional shock isolation device and a shock absorption method thereof, and belongs to the technical field of building shock isolation and shock absorption. According to the technical scheme, the vibration damper comprises a top plate, a horizontal rubber support, a center mass block, a spring support, a limiting plate, a friction plate, a vertical rubber support and a bottom plate. The multi-stage self-adaptive rigidity mechanism has the beneficial effects that the friction material is arranged between the limiting plate and the friction plate, and the friction sliding position and the motion state can be controllably adjusted by adjusting the pre-tightening force of the bolt, the friction coefficient and the rigidity of the vertical rubber support, so that the multi-stage self-adaptive rigidity mechanism is formed; and the shock insulation and self-resetting performance of the structure under the action of horizontal and vertical earthquakes is obviously improved. The device has good three-dimensional shock insulation and swing resistance, and is simple in structure and convenient to install and maintain. The dynamic response of the upper structure applying the device under the earthquake action can be effectively inhibited, so that the structural safety and the use comfort are guaranteed.
Owner:HEBEI UNIV OF ENG
Agricultural machinery
PendingDE102024120726A1Agricultural vehiclesAgriculture tools and machinesAgricultural scienceAgricultural engineering
The invention relates to an agricultural work machine (2) comprising a driver's cab (1) and a cable pull (8), wherein the cable pull (8) is assigned a first counter bearing (12) inside the driver's cab (1) and a second counter bearing (16) is assigned outside the driver's cab (1), wherein at least one of the counter bearings (12, 16) supports the cable pull (8) by means of a rubber bearing (18).
Owner:CLAAS SELBSTFAHRENDE ERNTEMASCHINEN GMBH
Damping type bridge support
ActiveCN223163756UBridge structural detailsProtective buildings/sheltersClassical mechanicsSlide plate
The utility model relates to the technical field of railway engineering construction, in particular to a damping type bridge support. Comprising a base assembly, a lower-layer assembly, a damping assembly, an upper-layer assembly and an adjusting assembly, the base assembly comprises a base plate, the lower-layer assembly comprises a lower-layer base body and a first damper, the damping assembly comprises a damping sliding plate and a second damper, the upper-layer assembly comprises an upper-layer top plate, and the adjusting assembly comprises an adjusting column and a limiting ring. A mounting frame is welded to the inner side of the upper portion of the base plate, and a rubber support is connected to the top of the damping sliding plate. When the lower-layer seat body transversely moves in the mounting frame body through the positioning sliding rods to meet the requirement of transverse deformation of a bridge, the lower-layer seat body applies acting force to the first shock absorbers connected with the lower-layer seat body, the first shock absorbers absorb motion energy through elastic deformation to reduce vibration, and meanwhile the dampers consume mechanical energy and enable the dampers to gradually decelerate and stop.
Owner:JIANGXI XUANQI CONSTRUCTION ENGINEERING CO LTD
Hydraulic rubber bearing for mounting an axle carrier of a vehicle, vehicle comprising a hydraulic rubber bearing, and method for operating a vehicle with a hydraulic rubber bearing for a vehicle chassis
The invention relates to a hydraulic rubber bearing for mounting an axle carrier of a vehicle on a vehicle body, comprising: - An elastomeric element, - At least two chambers for holding a fluid damping medium, - where the chambers have at least partially flexible chamber walls, - wherein the two chambers can be fluidically connected by at least one channel, - at least one shut-off valve for locking and unlocking the channel, - wherein the shut-off valve is designed such that, depending on the flow velocity of the fluid damping medium and / or depending on the pressure difference between the two chambers, at least one half of the channel is shut off.
Owner:BAYERISCHE MOTOREN WERKE AG
Deformation detection device for shock insulation rubber support
The invention relates to the technical field of rubber support detection, and discloses a shock insulation rubber support deformation detection device which comprises a heat insulation box, the interior of the heat insulation box is hollow, one side of the heat insulation box is open, first hydraulic rods are symmetrically arranged in the heat insulation box, and a heat insulation door is slidably connected to one side of the opening of the heat insulation box. An air extraction opening is formed in the side, away from the heat insulation door, of the heat insulation box, a communicating pipe communicating with the air extraction opening is installed on the surface of the heat insulation box, the other end of the communicating pipe communicates with an air storage cylinder installed at the top of the heat insulation box, and an air extraction piston is slidably connected into the air storage cylinder; one end of the air exhaust piston is fixedly connected with a movable rod which penetrates through one end of the air storage cylinder and extends to the outside, cold air in the heat insulation box is pumped into the air exhaust piston to be stored in a heat preservation mode through sliding of the air exhaust piston in the air storage cylinder, and when deformation detection is conducted on the shock insulation rubber support next time, the cold air stored in the air storage cylinder is sent back to the heat insulation box. The purpose of mixed heat exchange between cold air and gas in the heat insulation box is achieved.
Owner:SHANXI ACAD OF BUILDING SCI TESTING CENT CO LTD +1
Bridge plate type rubber support with protection function
The invention discloses a bridge plate type rubber support with a protection function, and belongs to the technical field of rubber supports, the bridge plate type rubber support comprises a rubber support body, a protection assembly is arranged on the outer side of the rubber support body, the protection assembly comprises arc-shaped plates, the arc-shaped plates are located on the outer side of the rubber support body and are distributed in an array mode, and first sliding rods are fixedly installed on the outer sides of the arc-shaped plates; the tail end of the first sliding rod is provided with a bevel edge top block, sliding strips are fixedly installed on the two sides of the outer wall of the first sliding rod, the first sliding rod is sleeved with a first spring and penetrates through the first protective shell, a rotating ring is arranged on the outer wall of the first protective shell, clamping teeth are evenly arranged on the outer wall of the rotating ring, and the top of the first protective shell is sleeved with a second protective shell. According to the bridge plate type rubber support with the protection function, the multiple arc-shaped plates are arranged to limit transverse displacement and horizontal dislocation of the rubber support body, tearing or deformation of the rubber layer caused by too large horizontal force is avoided, and meanwhile lateral bulging of the rubber layer can be restrained in an auxiliary mode.
Owner:EAST CHINA JIAOTONG UNIVERSITY
Rubber support
ActiveCN223105155UNon-rotating vibration suppressionEngine bedsStructural engineeringMechanical engineering
Owner:HENGSHUI GUANGSHUO RUBBER & PLASTIC PROD CO LTD
A grinding device for the outer edge of rubber bearing seals
This utility model relates to the field of rubber bearing seal processing technology, and provides a grinding device for the outer edge of rubber bearing seals. It includes a worktable with a support plate rotatably mounted in the center. A conical cylinder for placing the bearing seal is mounted on the support plate. In this grinding device, a support ring is first fitted onto the surface of the conical cylinder. Then, the bearing seal is placed on the support ring and fixed by pressing down with a crossbar. Rotating the conical cylinder causes the bearing seal to rotate. Next, a sliding plate is driven to bring a grinding roller close to the bearing seal, thus grinding the outer edge of the seal. After grinding, the grinding roller returns to its original position. Then, another sliding plate is driven to bring a polishing roller close to the bearing seal, thus polishing the outer edge. After polishing, the polishing roller returns to its original position. This improves processing efficiency and equipment utilization, and reduces resource waste.
Owner:XINCHANG TONGLE SEALS
A hinged joint between a steel box girder and a concrete column and its construction method
The present invention provides a hinged joint between a steel box girder and a concrete column and a construction method thereof. The hinged joint includes a concrete column and a steel box girder. The end of the steel box girder is located on the column side corbel of the concrete column, and a rubber bearing is provided between the steel box girder and the column side corbel. The steel box girder and the column side corbel are fixed by a plurality of anchor bolts, and an internal support assembly is provided inside the steel box girder in the installation area of the anchor bolts. By adopting a rubber bearing and an internal support assembly to jointly connect the steel box girder and the concrete column, the shear force transmitted by the steel box girder is transmitted, and the rotational deformation of the steel box girder in the bending direction is reasonably released, thereby improving the reliability and feasibility of the joint connection. At the same time, by means of bolt fixation, the on-site fixation of the steel box girder and the concrete column is adjusted to the inside of the steel box girder, and on-site welding operations are cancelled, which not only makes full use of the internal space of the steel box girder, solves the on-site installation space problem, but also effectively ensures the on-site construction quality and the force requirements of the components.
Owner:CHINA CITY ENVIRONMENT PROTECTION ENGINEERING LIMITED COMPANY
Shock absorption and noise reduction type inspection well cover
The invention discloses a shock absorption and noise reduction type inspection well lid which comprises a well base and a well lid body hinged to the well base, a containing groove is formed in the well base, a plurality of rubber supports are arranged between the bottom face of the containing groove of the well base and the well lid body, and the peripheral side of the well lid body and the inner wall of the containing groove are arranged at intervals. The lower surface of the well lid and the bottom face of the containing groove are arranged at intervals, and the anti-pressure capacity of the multiple rubber supports is not smaller than 800 KN. The manhole cover has the following advantages and effects that the multiple rubber supports distributed in the circumferential array mode are arranged between the containing groove of the manhole base and the manhole cover body, the circumferential side of the manhole cover body and the inner wall of the containing groove are arranged at intervals, the lower surface of the manhole cover body and the bottom face of the containing groove are arranged at intervals, and direct contact between the manhole cover body and the manhole base is avoided; therefore, noise caused by collision is avoided; and meanwhile, as the pressure resistance of the plurality of rubber supports is not less than 800KN (about 80 tons), the normal use of the plurality of rubber supports of the inspection well cover can be ensured even if a full-load heavy-duty fire fighting truck passes through (about 30 tons).
Owner:ZHEJIANG HENGCHANG TECH CO LTD
A bridge anti-overturning bearing suitable for earthquake zones
ActiveCN115976949BClimate change adaptationBridge structural detailsStructural engineeringRubber bearing
The present invention discloses an anti-overturning bearing for bridges suitable for use in earthquake zones. The anti-overturning bearing comprises, from bottom to top, a lower base plate, a multi-layer rubber bearing, a first strong spring, an upper base plate, and a lead core. It also includes an auxiliary support structure and a cable disposed between the lower and upper base plates. The lower base plate is horizontally fixed to a bridge pier, the multi-layer rubber bearing is fixed to the lower base plate, and the center of the multi-layer rubber bearing is provided with a center hole. The lead core is vertically fixed to the center of the lower base plate and passes through the center hole of the multi-layer rubber bearing. The first strong spring is connected between the multi-layer rubber bearing and the upper base plate and sleeved on the lead core. The auxiliary support structure includes multiple components and is arranged circumferentially around the multi-layer rubber bearing. The auxiliary support structure includes a support wall, a support tube, and an overturning force guide member. The cable is vertically connected between the upper and lower base plates. The cable includes multiple components and is arranged circumferentially around the multi-layer rubber bearing.
Owner:NORTHWEST RES INST CO LTD OF C R E C +2
Composite type double-order lead core high-damping rubber support
ActiveCN224133921UProtective buildings/sheltersShock proofingVibration controlMechanical engineering
The utility model discloses a composite type double-order lead core high-damping rubber support which comprises a first connecting plate, a second connecting plate, a first outer sealing plate, a second outer sealing plate, an inner sealing plate, an outer high-damping rubber composite material, an inner high-damping rubber composite material and lead cores. When the first connecting plate and the second connecting plate are forced by external force to generate relative horizontal displacement, the outer high-damping rubber composite material independently participates in energy consumption, or the outer high-damping rubber composite material and the inner high-damping rubber composite material jointly participate in energy consumption; therefore, after the arrangement mode is adopted, the rubber support has the double-order energy dissipation capacity, the requirement of the structure for vibration control can be met, the structure is simple and reasonable, and installation and maintenance are convenient.
Owner:GUANGZHOU UNIVERSITY
Vibration reduction multi-layer rubber bearing and preparation mold thereof
The damping multilayer rubber bearing comprises an outer sleeve, a plurality of layers of spacers and a core shaft body which are sequentially arranged from outside to inside, and rubber is integrally formed and vulcanized among the outer sleeve, the spacers, the spacers and the core shaft body to form a whole; the rubber fully wraps the multiple spacers and extends to the end face of the outer sleeve. The spacers are arranged to be spherical arc-shaped, and the two symmetrical spacers form a sphere with a gap; the spacers are arranged at equal intervals and unequal heights; and the spacers and the flat surface of the mandrel body are crosswise arranged at an angle of 45 degrees. The mold comprises an integral lower mold, a middle mold and a split upper mold, the integral lower mold is provided with a positioning groove and a positioning pin, and the split upper mold is provided with a positioning groove, a positioning pin and a glue injection hole. The damping multilayer rubber bearing disclosed by the utility model can replace a metal bearing, so that not only is the cost reduced, but also the problem of abnormal sound caused by long-term use of the metal bearing is solved. The die can effectively improve the qualification rate and the production efficiency of the bearing, and ensures the quality and the service life of the bearing.
Owner:NANJING RAILWAY NEW TECH CO LTD
Three-dimensional vibration isolation support
The utility model provides a three-dimensional vibration isolation support which is characterized in that a second connecting plate and a first connecting plate are vertically arranged at an interval, the first connecting plate can vertically slide relative to the second connecting plate, and the second connecting plate is fixed with a foundation; the elastic vibration reduction assembly is arranged between the first connecting plate and the second connecting plate, the elastic vibration reduction assembly can deform and store energy, and the elastic vibration reduction assembly can release energy and drive the first connecting plate and the second connecting plate to reset relatively; the rubber support is arranged at the top of the first connecting plate, and the top of the rubber support is connected with a building to be subjected to vibration isolation. Through the combined design of the elastic vibration reduction assembly and the rubber support, the energy storage and release mechanism of the elastic vibration reduction assembly can effectively buffer vibration caused by subway operation, the rubber support reduces transmission of earthquake shearing force through flexible connection, vibration control in the x direction, the y direction and the z direction with the support as the origin of coordinates is achieved, and the service life of the subway is prolonged. The three-dimensional vibration isolation effect is achieved, the anti-seismic performance of the upper cover building is remarkably improved, and interference of subway operation on the building is reduced.
Owner:SHIJIAZHUANG TIEDAO UNIV
High-pier bridge support-stop block collaborative anti-seismic device and design method thereof
The invention discloses a high-pier bridge support-stop block collaborative anti-seismic device and a design method thereof, and belongs to the technical field of high-pier bridge anti-seismic devices.The high-pier bridge support-stop block collaborative anti-seismic device comprises two high-damping rubber support assemblies arranged on the two sides of the upper end face of each bent cap; a high-pier bridge body is placed at the top of the high-damping rubber support assembly through a diaphragm plate; a transverse blocking assembly is arranged on the outer side of each high-damping rubber support assembly, the bottom of each transverse blocking assembly is fixedly connected with the upper end face of the cover beam, and a transverse blocking gap is formed between each transverse blocking assembly and the corresponding high-damping rubber support. When an earthquake comes, the high-pier bridge support-stop block cooperative anti-seismic device prevents a high-pier bridge body from losing stability or sliding off, after the earthquake, a high-damping rubber block in the transverse stop assembly enables a bridge system to restore to the initial state through elastic restoring force, the maintenance cost is reduced, and the service life is prolonged.
Owner:CHENGDU UNIV
Method for mounting a chassis component
The invention relates to a method for mounting a chassis component (14) on a motor vehicle body (12), comprising the following method steps carried out in chronological order: producing a receptacle (18) corresponding to a rubber bearing (16) in a region (20) of the body (12); inserting a rubber support (16) into the receptacle (18); positioning and fixing the support core (22) in the rubber support (16); and the chassis part (14), which is designed as an axle bracket (14a), is mounted and fastened to the vehicle body (12) by means of a screw element (24) which can be inserted into the bearing core (22). The invention also relates to an arrangement of a chassis component (14) on a vehicle body (12).
Owner:BAYERISCHE MOTOREN WERKE AG
Axial flow pump rubber bearing wear state monitoring method and system based on vibration signal analysis
The invention belongs to the technical field of rubber bearing wear state monitoring, and particularly relates to an axial flow pump rubber bearing wear state monitoring method based on vibration signal analysis. The method comprises the following steps: acquiring and preprocessing a signal; constructing features; dividing wear stages; and intelligent early warning is realized. The system comprises an LMS data acquisition system, a PC (Personal Computer) and an MATLAB (Matrix Laboratory) program which are connected in sequence. According to the method, multi-scale feature extraction, entropy feature construction, feature fusion and classification model construction of the vibration signals are combined, the wear states (healthy, slight wear and serious wear states) of the rubber bearing of the rubber axial flow pump are accurately monitored and recognized, and the running safety and reliability of the axial flow pump are effectively guaranteed. According to the invention, the wear state of the rubber bearing of the axial flow pump can be monitored in real time in a complex environment, and a guarantee is provided for reliable operation of the axial flow pump.
Owner:SHANGHAI SHIP & SHIPPING RES INST CO LTD
Dynamic compression-shear test device for high-damping shock insulation rubber support
ActiveCN223756510UMaterial strength using tensile/compressive forcesMaterial strength using steady shearing forcesTest frameClassical mechanics
The utility model relates to the field of compression-shear tests, and discloses a dynamic compression-shear test device for a high-damping shock-insulation rubber support, which comprises a compression-shear test rack and a test bench, and realizes accurate positioning and limiting of the high-damping shock-insulation rubber support in the test process through a bidirectional synchronous limiting assembly. Threaded structures in opposite directions are arranged on the left side and the right side of the double-thread lead screw, so that the two synchronous threaded blocks can move in the opposite directions at the same time, the support clamping plate is driven to achieve two-way synchronous limiting, it is ensured that the support is always kept at the stable position in the compression-shear test through the design, and the transmission mode is convenient to operate and high in reliability. And the position of the support clamping plate can be accurately controlled to adapt to high-damping shock insulation rubber supports with different sizes and shapes, and meanwhile, the operation efficiency of the test device is further improved and the test preparation time is shortened due to the efficient adjustment capability of the bidirectional synchronous limiting assembly.
Owner:山东三越仪器有限公司
Bearing holder of a stabilizer bearing
Bearing holding device (1) of a stabilizer bearing in the chassis of a two-track vehicle, wherein a rubber bearing encompassing a stabilizer is held on the vehicle body by a flat retaining base (1.1) supported on the vehicle body and an omega-shaped retaining bracket (1.2) completing it to form a closed bearing structure, wherein the retaining base (1.1) is force-fit connected to the retaining bracket (1.2) in the installed state, characterized in that the retaining base (1.1) is positively connected to the retaining bracket (1.2) and wherein the retaining base (1.1) is provided with a rib structure.
Owner:BAYERISCHE MOTOREN WERKE AG
A multi-group series-parallel thick rubber bearing and a three-dimensional friction pendulum bearing
ActiveCN115450344BProtective buildings/sheltersShock proofingClassical mechanicsMechanical engineering
The present invention discloses multiple sets of series-parallel thick-walled rubber bearings and a three-dimensional friction pendulum bearing, comprising upper and lower connecting plate assemblies arranged parallel to each other, and connecting bolt assemblies disposed at the edges of the upper and lower connecting plate assemblies. A thick-laminated rubber bearing is disposed between the upper and lower connecting plate assemblies, and the thick-laminated rubber bearing is wrapped around a guide rod, which is connected to a lower sleeve and disposed within an upper sleeve. The bearings described in this application serve to prevent vibration.
Owner:YUNNAN QUAKESAFE SEISMIC ISOLATION TECH