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98 results about "Rubber bearing" patented technology

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

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

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

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

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

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

Composite type double-order lead core high-damping rubber support

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

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

Dynamic compression-shear test device for high-damping shock insulation rubber support

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

Air spring based horizontal seismic isolation bearing

This invention relates to the field of seismic isolation bearing technology, specifically a horizontal seismic isolation bearing based on air springs, comprising a lower connecting steel plate, an upper connecting steel plate, a lead-core rubber bearing element, a supporting sliding element, a sector-shaped air spring, and a dust cover. The lead-core rubber bearing element is fixedly connected to the upper part of the supporting sliding element, and the supporting sliding element and the lower connecting steel plate are connected through sliding contact, forming a sliding friction pair. Multiple sector-shaped air springs are arranged circumferentially around the supporting sliding element, and the outer sides of the sector-shaped air springs are connected to steel limiting rings fixed to the lower connecting steel plate. The sector-shaped air springs are internally equipped with limiting devices and buffer rubber to prevent excessive displacement and compression damage. A dust cover is installed on the upper part of the steel piston rod of the sector-shaped air spring. The bearing of this invention can automatically adjust its working state according to the earthquake intensity, primarily using sliding and air springs during minor earthquakes, and activating the lead-core rubber for energy dissipation during major earthquakes, achieving intelligent graded seismic isolation.
Owner:EASTERN GANSU UNIVERSITY

Stable supporting system suitable for double-T-beam structure

The utility model discloses a stable supporting system suitable for a double-T-beam structure, which structurally comprises a double-T-beam, end cross beams, embedded steel plates, plate-type rubber supports and support pad stones, and the end cross beams are respectively arranged on two end sides of the double-T-beam which is connected through cast-in-place wet joints. Embedded steel plates for supporting the plate type rubber support are arranged on the bottom end faces of two beam ribs at one end of the double-T beam, and embedded steel plates for supporting the plate type rubber support are also arranged on the bottom end faces of the middle parts of end cross beams of the two beam ribs at the other end of the double-T beam, so that triangular stable support is formed, and the plate type rubber support can be supported under the action of dead load and live load; the double-T-beam four-support disengagement problem is effectively solved, the top end face of the plate-type rubber support is connected with the embedded steel plate, the bottom end face of the plate-type rubber support is connected and supported to the support pad stone installed at the lower end, and the supporting effect is achieved.
Owner:COMM DESIGN INST CO LTD OF JIANGXI PROV

Automotive chassis component

A motor vehicle chassis component (1) comprising a fiber-reinforced connecting rod (2) with at least two pivot points arranged on a metal-core-free coupling area of ​​the connecting rod (2) for the respective load input and load output, wherein the at least two pivot points each have a metal insert (3, 4, 5, 6) fully enclosed by plastic overmolding, and at least one of the metal inserts (3, 4, 5, 6) is designed as a metal sleeve in which a rubber bearing comprising a metal core (7a) and an elastomer body (7b) vulcanized to the metal core (7a) is inserted. is used characterized by the fact that the The connecting rod (2) is designed as a plastic injection molded connecting rod and at least one of the pivot areas has a bearing eye provided by the metal sleeve with an inserted rubber bearing preloaded in the radial direction and designed as an elastomer-metal bushing bearing (7). comprising, wherein the elastomer-metal bushing bearing has an outer, axially slotted sleeve which rests forcefully against the inner surface of the metal insert designed as a metal sleeve.
Owner:VORWERK AUTOTEC

Bridge rubber bearing with built-in strain sensing testing device

This application relates to a bridge rubber bearing with a built-in strain sensing testing device and its monitoring method, belonging to the field of bridge engineering technology. The bearing includes a test base, an upper connecting plate, a rubber layer, a lower connecting plate, and a strain sensor integrated inside the rubber layer and an interface on its sidewall. The core technology involves using a matching interface that can automatically move along the sidewall to electrically connect or non-contactly couple with the interface, thereby sequentially reading the strain data of the built-in sensor. This invention provides two implementation paths: a contact method, utilizing an electric contact plate with an arc-shaped contact surface for adaptive contact point offset; and a non-contact method, using an active matching module for electromagnetic coupling with a built-in passive coupler.
Owner:HUNAN COMM CONSTR QUALITY SUPERVISION & TESTING CO LTD

Rubber bearing disassembling tool

The utility model discloses a rubber bearing disassembling tool, which relates to the technical field of bearings and comprises a working table, and a tool component is arranged on the surface of the working table. The tool assembly comprises a bottom tool, and the surface of the bottom tool is in butt joint with a workpiece. A positioning disc is fixedly connected to the interior of the bottom tool, a connecting column is slidably connected to the middle of the positioning disc, a pushing disc is fixedly connected to the top of the connecting column, and a second spring is fixedly connected between the pushing disc and the positioning disc; by means of reverse thrust of the second spring, the pushing disc can automatically push the workpiece away from the bottom tool, meanwhile, the upper tool can rapidly push the rubber bearing out of the workpiece under the action of external force, then the links of manual operation are reduced, the decomposition speed is increased, and compared with a traditional manual decomposition mode, the work efficiency is improved. The working efficiency can be improved by multiple times, and the maintenance period of equipment can be effectively shortened.
Owner:SHANGHAI GOD BLESS RAILWAY NEW TECH INST CO LTD

A seismic isolation device suitable for high-elevated rack storage tank structure under super large earthquake

The present application relates to the isolation device of the major lifeline engineering, specifically relates to a kind of isolation device of high lifting frame storage tank structure suitable for super large earthquake, including top concrete slab, bottom concrete slab, horizontal isolation rubber bearing system and sliding support system, the sliding support system is connected by elastic member between, sliding support system includes upper cap plate, cylinder, horizontal pin and bottom connecting steel plate, upper cap plate is left with gap with top concrete slab, cylinder can slide relative to bottom connecting steel plate, the upper cap plate is connected with cylinder by pre-press spring, vertical pin key rod is arranged in the upper cap plate, the horizontal pin is across the lateral wall of upper cap plate and cylinder, the isolation device of the present application, when the earthquake within the fortification intensity occurs, horizontal isolation rubber bearing system bears vertical load, when super large earthquake occurs, the new horizontal isolation system of sliding support system and elastic member composition bears subsequent larger seismic action, protects the safety of upper storage tank.
Owner:GUANGZHOU UNIVERSITY

Device for detecting horizontal rigidity of rubber support of existing steel net rack

The utility model discloses a device for detecting the horizontal rigidity of a rubber support of an existing steel net rack, which comprises the rubber support, a lifting device, a pulley, a tension transmission wire and a detection equipment control center, the rubber support is arranged at the top of a supporting upright post, a rigid coaming is arranged on the outer wall of the rubber support, and the lifting device is arranged on the rigid coaming. The detection equipment control center is arranged at the top of the foundation on the right side of the supporting stand column, a lifting device is arranged at the top of the detection equipment control center, the top of the lifting device is rotationally connected with pulleys which are parallel to each other, and two tension conduction wires are fixedly installed at the end of the rigid surrounding plate; and the other end of the tension transmission wire bypasses the mutually parallel pulleys and is fixedly connected with a detection equipment control center. According to the utility model, the problem that the horizontal rigidity of the existing steel grid rubber support is difficult to accurately detect in the safety detection and identification process of the steel grid is effectively solved, and more reliable data support is provided for the safety evaluation of the steel grid structure, so that the accuracy and the reliability of the whole evaluation process are improved.
Owner:WUHAN HUAZHONG UNIV OF SCI & TECH TESTING TECH CO LTD

Adjustable deviation-rectifying shock insulation rubber support with steel sleeve

The utility model provides an adjustable deviation-rectifying shock-isolating rubber support with a steel jacket, which comprises an upper fixing plate, a rubber body, a lower fixing plate, a fence plate and a base plate, the upper fixing plate and the lower fixing plate are respectively fixed on the upper side and the lower side of the rubber body, the base plate is fixed on one side of the fence plate, and the upper fixing plate and the lower fixing plate are respectively fixed on the upper side and the lower side of the rubber body. The lower fixing plate is arranged on the base plate and located in the surrounding baffle, the side wall of the surrounding baffle is in threaded connection with an adjusting bolt abutting against the side wall of the lower fixing plate, an upper connecting hole is formed in the lower fixing plate, a lower connecting hole is formed in the base plate, a fixing bolt is arranged on the upper connecting hole in a penetrating mode, and the lower connecting hole is connected with the lower fixing plate in a penetrating mode. The fixing bolt penetrates through the lower connecting hole to be connected with the concrete buttress, and the fixing bolt abuts against the side, back to the base plate, of the lower fixing plate so as to achieve the deviation rectifying function, and the deformation capacity of the rubber body is improved.
Owner:浙江震防科技股份有限公司

Anti-blocking submersible sewage pump

The utility model discloses an anti-blocking submersible sewage pump, and belongs to the technical field of fluid machinery. The pump comprises a pump body, a pump shaft, a semi-open impeller and a stirring wheel, a stirring wheel shaft penetrates through an impeller center hole to be fixed to the pump shaft, and the stirring wheel is located on the outer side of an impeller inlet to stir sediment. A front cover plate is arranged on the inlet side of the impeller in the pump body, and a gap adjusting mechanism capable of adjusting the axial position of the front cover plate is arranged on the pump body so as to accurately control the working gap between the front cover plate and the impeller. And after the clearance is adjusted, the pump body and the front cover plate are locked through a fixing bolt. The pump is further provided with a lock washer for preventing the impeller from loosening and a stable supporting structure composed of a supporting frame and a rubber bearing. The anti-blocking sewage pump integrates active anti-blocking, adjustable gap and stable operation, and the passing capacity, the operation efficiency and the maintenance convenience of the sewage pump in a solid-containing and easy-to-deposit medium are remarkably improved.
Owner:CHANGSHA LEO SWAN IND PUMP CO LTD

High damping rubber seismic isolation bearing

This utility model provides a high-damping rubber seismic isolation bearing, relating to the field of rubber bearing technology. It includes: a first support plate; and a seismic isolation assembly, which includes a screw fixed to the first support plate. In normal use, the first support plate bears the load of the superstructure. When vibration occurs, the seismic isolation assembly plays a major role in vibration isolation. The high-damping rubber dissipates a large amount of vibration energy through its viscous hysteresis characteristics, while the low-stiffness rubber provides greater horizontal deformation capacity, allowing the bearing to have a certain displacement in the horizontal direction. By rotating the nut, the height of the bearing can be adjusted to adapt to different working conditions. The anti-overturning assembly ensures the stability of the bearing during vibration. The limiting rod slides within the hollow tube, limiting the horizontal displacement range of the bearing and preventing excessive offset. The limiting post is within the limiting seat, preventing the bearing from overturning. Thus, this seismic isolation bearing can effectively reduce the impact of vibration on the superstructure and protect structural safety.
Owner:SHANGHAI MUNICIPAL HIGHWAY ENG TESTING CO LTD

Balance shaft end cover support and balance shaft assembly

A balance shaft end cover support and a balance shaft assembly belong to the technical field of vehicle suspensions, the balance shaft end cover support comprises an installation fixing part and a supporting part which are fixedly connected, use is facilitated, a plurality of reinforcing ribs are fixedly arranged on the end face of the installation fixing part, the overall rigidity and deformation resistance of the installation fixing part can be enhanced, and the supporting part is of a hollow conical structure. The supporting part is arranged on the base, materials are saved, the overall weight is reduced, the stepped hole channel used for installing the balance shaft is formed in the supporting part, the requirement of the stepped hole channel for the machining precision of the hole diameter is low, and the installing and positioning precision and stability of the balance shaft are improved conveniently; vibration and impact generated in the running process of a vehicle can be conveniently absorbed and buffered through the conical rubber bearing, and the balance shaft end cover support is used for assisting the balance shaft in force transmission.
Owner:LINGONG GROUP (JINAN) HEAVY MACHINERY CO LTD

Simple and easy to correct construction isolation rubber bearing

The utility model provides a simple and easy deviation rectification building shock insulation rubber support, is used for being installed between the upper support pier and lower support pier of building support pier, include: rubber main part department, by multilayer rubber and steel sheet interlaced superposition is high temperature vulcanization and is formed, lower flange connecting portion is used for being connected with lower support pier, including the upper side of lower support pier's lower connecting plate, the lower embedded plate of pouring in lower support pier inside and the lower connecting bolt of connecting lower connecting plate and lower support pier, upper flange connecting portion is used for being connected with upper support pier, including the lower side of upper support pier's upper connecting plate, the upper embedded plate of pouring in upper support pier inside and the upper connecting bolt of connecting upper connecting plate and upper support pier. The utility model keeps the traditional support anti-seismic performance and the basic structure unchanged, realizes the correction ability of construction error and long-term deformation, does not increase the subsidiary structure and does not change the structure of traditional building shock insulation support, can guarantee construction accuracy and deviation rectification effect, also does not increase cost expenditure.
Owner:ZHEJIANG TIANTIE SCIENCE & TECHNOLOGY CO LTD

Rubber bearing deformation detection device and method

This invention belongs to the field of rubber bearing testing technology and discloses a rubber bearing deformation testing device and method, including a base plate, on the top of which a support frame is fixedly connected. When the extrusion plate and the circular plate are in contact, a laser rangefinder is activated. At this time, the laser rangefinder is at the same height as the bottom of the extrusion plate. The laser rangefinder irradiates the top of the bearing platform with a laser, thereby measuring the height of the rubber bearing when it is deformed. The hydraulic rod is then driven to press down on the top of the rubber bearing with the circular plate and the extrusion plate, causing the top of the rubber bearing to bear the load and deform. At this time, the laser irradiated on the top of the bearing platform by the laser rangefinder can detect the change in the height of the rubber bearing after deformation, thereby obtaining the amount of deformation of the bearing after compression. This measurement process can record the change in the height of the rubber bearing very accurately, thereby reflecting the degree of its compression deformation and thus detecting the load-bearing capacity of the rubber bearing.
Owner:四川革震科技有限公司 +1

Frequency-tunable composite vibration-reducing rubber bearing, design method and application thereof

The application discloses a frequency-tunable composite damping rubber support and a design method and application thereof. A spring-mass system composed of one or more than one rubber ring 2 and a counterweight 3 is sleeved on a rubber support column to construct a single-vibrator type or a damping rubber support with different vibration frequency damping effects. The adjusting device 4 is a screw rod and a plurality of nuts. The rubber ring 2 and the counterweight 3 are fixed by inserting the screw rod into a through groove and combining the nuts. The rubber support column is fixedly connected with the bottom plate 5 at both ends. In use, the upper and lower connecting bottom plates 5 are fixed on the damping object and the foundation not generating displacement respectively. The inherent frequency of the structure is changed by adjusting the connecting position of the counterweight 3 and the rubber ring 2 through the adjusting device 4, and the damping range at a lower vibration frequency can be actively controlled. The rubber column 1 plays a role in supporting and attenuating medium and high frequency vibrations. Under the action of the two damping systems, strong support can be provided while the damping effect of a wide frequency band is actively controlled.
Owner:SOUTHEAST UNIV

Forking equipment for large support

The utility model relates to the technical field of bridge support carrying, and mainly discloses fork loading equipment for a large support, which comprises a portal frame, a vertical driving device, a fork arm carrier, a movable sliding plate and a fork arm, a handle is arranged at the top of the fork loading equipment, and lifting of the fork arm carrier is realized inside the fork loading equipment through chain transmission; the pallet fork arm can be switched between a horizontal forklift mode and a vertical clamping mode, the pallet fork arm is used for inserting and taking a cuboid support in the horizontal state and installing a detachable clamping jaw to be matched with a curved-surface support in the vertical state, and the problem that a traditional forklift cannot accurately carry special-shaped supports in a narrow space of a laboratory is solved by transversely adjusting the distance between sliding plates. The clamping device has clamping stability, shape adaptability and operation safety, the manual carrying risk is remarkably reduced, and the clamping device is suitable for inspection and carrying scenes of large rubber supports, pot type supports and spherical supports.
Owner:SHANDONG TRANSPORTATION INST

Magnetic composite water-lubricated rubber bearing with shock resistance

The invention discloses a magnetic composite water-lubricated rubber bearing with shock resistance, which comprises a composite bearing and a dismounting tool, a driving shaft is arranged in the composite bearing, the composite bearing comprises a bearing outer sleeve, three groups of fixing ports are formed in the bearing outer sleeve, and the fixing ports are connected with the driving shaft. A magnetic suspension assembly and two groups of buffer assemblies are arranged in the bearing outer sleeve; the magnetic suspension assembly is arranged in the bearing outer sleeve, suspension supporting is formed on the driving shaft through magnetic field force, in the starting and stopping stage or the low-speed rotating stage of the driving shaft, a small gap can be kept between the driving shaft and the rubber bases, direct contact abrasion is reduced, meanwhile, the two sets of rubber bases distributed in an array mode are arranged, and the service life of the driving shaft is prolonged. The use states of the two sets of rubber bases can be switched through the rolling assemblies, continuous operation of equipment is guaranteed, and when the two sets of rubber bases are used synchronously, a synergetic anti-impact structure can be formed, impact loads can be dispersed, and the impact resistance is effectively improved.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY