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35 results about "Slip joint" patented technology
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A slip joint is a mechanical construction allowing extension and compression in a linear structure.
Collapsible locking rollator walker
Disclosed is a foldable locking rollator constructed and arranged to be pivotably operable between an open position and a closed storage position. The folding locking rollator assembly is comprised of a support structure having two spaced apart front support members and two rear support members. Each rear support member is pivotally attached to the ends of the front support members with hinge assemblies. The front support members each have a sliding joint member constructed and arranged to slide between the front support members ends. A set of crossbar members are pivotally connected at a predetermined point in an X-configuration. At least one sliding joint member is comprised of a locking mechanism constructed and arranged to be hand operated with a lever by the user.
Owner:VIVE HEALTH LLC
Limited slip joint construction and method of construction of a joint construction
The present application relates to the technical field of structural engineering and discloses a limited-slippage connecting structure and a construction method of the connecting structure. The limited-slippage connecting structure comprises a prefabricated plate, a concrete plate, a welding nail and a flexible sleeve. The concrete plate is arranged on the prefabricated plate, the welding nail is located in the concrete plate, the welding nail comprises a nail column and a nail head arranged at one end of the nail column, the other end of the nail column is connected with the prefabricated plate, and the flexible sleeve is sleeved on the nail column. The limited-slippage connecting structure can provide a proper slippage amount, effectively reduce the tensile stress of the concrete plate, and improve the long-term performance and durability of the concrete plate. At the same time, the limited-slippage connecting structure also has an anti-lifting effect to resist the separation and lifting of the concrete plate, reduce the sudden increase of the partial segment shear force caused by the excessive release of the combined effect, and improve the stress state of the transition section concrete plate.
Owner:TSINGHUA UNIVERSITY
Driveshaft arrangement for a motor vehicle
A drive shaft assembly for a motor vehicle, has at least a first tripod joint having a first outer part and a first inner part having three first trunnions with first trunnion axes. A second sliding joint has a second outer part and a second inner part, and a connecting shaft which extends along an axial direction between a first end and a second end and which is connected in a torque-transmitting manner via the first end to the first tripod joint and via the second end to the second sliding joint. At least the trunnion axes of the first trunnions are inclined relative to a radial direction by a first angle of inclination which is greater than zero angular degree.
Owner:GKN DRIVELINE INT GMBH
Slip Joint Cross (Submarine)
1. Name of the Design Product: Quick-Release Four-Way Joint (Submarine). 2. Use of the Design Product: Used to connect multiple drainage pipes to achieve multi-channel drainage function. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Stereogram.
Owner:刘金芳
Self-starting stay wire flywheel type inerter
ActiveCN223535902UProtective buildings/sheltersVibration suppression adjustmentsThrust bearingDamper
The utility model discloses a self-starting stay wire flywheel type inerter which comprises a spiral guide rod, an upper end pull rope, a guide rod frame, a sliding joint, an upper end thrust bearing, a flywheel, a lower end thrust bearing, a spring, a tray and a lower end pull rope, a cross rod at the bottom of the guide rod frame is arranged in a groove in the top surface of the sliding joint; a pin shaft is arranged at the upper part of the sliding joint; the bottom of the sliding connector is supported on the top face of a flywheel through an upper end thrust bearing, and the flywheel is installed on a tray through a lower end thrust bearing and a spring. A bottom cross rod of the guide rod frame is fixedly connected with the upper end of the spiral guide rod; the lower end of the spiral guide rod sequentially penetrates through the sliding connector, the upper end thrust bearing, the flywheel and the lower end thrust bearing to be fixedly connected with the tray. The bottom of the tray is connected with the upper end of a lower end pull rope which is connected with a cross rod at the top of the guide rod frame; the lower end of the lower-end pull rope or the upper end of the upper-end pull rope is fixed; and the spiral guide rod is screwed with the flywheel. The damping device is simple in structure, low in manufacturing cost, small in machining difficulty and good in damping effect.
Owner:HUNAN UNIV OF SCI & TECH
Spiral compressor and drive shaft of such a spiral compressor
PendingDE102024131252A1Rotary/oscillating piston combinations for elastic fluidsRotary piston pumpsDrive shaftDrive by wire
Proposed is a spiral compressor and a drive shaft (3) of such a spiral compressor, which has: - a case (2), - a spiral fixed relative to the case (9), - a spiral winding inside the casing (8), - the drive shaft rotating about a shaft axis (4), - and an eccentric piece (5) driven by the drive shaft with a drive eccentric (6) offset from the shaft axis, which drives the rotating spiral. The eccentric piece is connected to the drive shaft (3) by a sliding joint, and movement of the sliding joint is accompanied by a change in the axial offset (e). The sliding joint is formed by a joint pin (14), a pin receptacle (15) in the drive shaft extending orthogonally to the shaft axis, and a pin receptacle (16) in the eccentric piece, wherein the pin receptacles are concentric to each other and the joint pin is guided longitudinally in at least one of the pin receptacles.
Owner:SCHAEFFLER TECHNOLOGIES AG & CO KG
Pressure gauge with protective structure
ActiveCN224341127UResolve technical issues with unclear readingsEnsure visibilityFluid pressure measurementSlip jointBall joint
The utility model discloses a pressure gauge with protective structure relates to pressure gauge field, the utility model discloses a pressure gauge, the pressure gauge includes the watch body, the watch body's front and back both -ends are provided with fixed base and protective buckle cover respectively, through setting up the slip joint structure of fixed base and protective buckle cover, wherein the slide slot that has the ball is set in the loading groove of fixed base, and the slide of protective buckle cover is through the slide slot and utilizes the through -hole and ball joint and realizes one -way locking, the technical problem of the low efficiency of installation and removal of the pressure gauge with protective structure of existing because of adopting many bolt fastening shell, and the operator needs to spend a lot of time and loosens, tightens bolt one by one, and further increases maintenance and dismounting difficulty, and the heating film, wiring port and button of the sliding cover inner wall, the technical problem of the pressure gauge with protective structure of existing in the humid environment visible port easy to fog and lead to the dial reading unclear.
Owner:广州凯能珐特机械设备有限公司
Sliding joint, fuselage structural assembly and related methods
An example method and system for isolating and mitigating loads in an aircraft is described, including providing a sliding joint between a seat track and a cockpit floor panel. The sliding joint includes a lug having a first end and a second end opposite the first end, wherein the first end is adapted to be attached to the seat track and the second end includes an elongated hole; and a clevis including an oblong slider bushing coupled to the lug.
Owner:THE BOEING CO
Landing gear tail wheel lock
The present application provides a landing gear tail wheel lock, comprising: an electric motor, one end of which is connected to the landing gear; wherein the electric motor includes a transmission shaft; a locking pin for locking the tail landing gear; a sliding joint, one end of which is connected to the locking pin, and the other end of the sliding joint is connected to a pull rod; a pull rod, one end of which is connected to the locking pin; a sliding sleeve, which is arranged in the pull rod and is connected to the transmission shaft; wherein both the sliding sleeve and the pull rod are provided with a waist-shaped hole; a thimble, which is arranged in the sliding sleeve and can move up and down in the sliding sleeve; wherein one end of the thimble is connected to the handle via a second shaft; wherein the second shaft passes through the waist-shaped hole and can move in the waist-shaped hole; a stop block, which is arranged in the sliding joint; and a steel ball, which can be accommodated in the grooves on the lock housing and the stop block.
Owner:CHINA HELICOPTER RES & DEV INST
Support for ionizing radiation detection equipment
ActiveCN223827746UElectromagentic field characteristicsMeasurement instrument housingControl theoryScrew thread
The utility model discloses a support for ionizing radiation detection equipment, which relates to the technical field of auxiliary supports of detection equipment and comprises a stand column, a limiting sleeve is slidably sleeved outside the lower end of the stand column, stabilizing mechanisms are symmetrically arranged on the outer side of the lower end of the stand column, and an adjusting mechanism is arranged at the upper end of the stand column. A fixing table is arranged at the top end of the adjusting mechanism, and a mounting table is arranged on one side of the fixing table. The rotating lead screw drives the lifting rod in threaded connection to move up and down, so that the lifting rod drives the fixed table to move synchronously, and the use height of the support can be adjusted; meanwhile, the detection equipment is conveniently clamped on the mounting table through two groups of clamping plates which are gradually close to each other, so that the detection equipment is not easy to slip off during use, and a swing arm of the detection equipment swings by utilizing damping rotating shafts mounted in the fixed table and the mounting table, so that the detection angle of the detection equipment can be adjusted by utilizing the swing arm, and the detection result is more accurate.
Owner:JIANGSU OSA ENVIRONMENTAL TESTING TECH CO LTD
Large-diameter anti-slip plugging and sealing casing, hole protection tooling and hole protection method for underground coal mines
The present invention discloses a large-diameter anti-slip plugging and sealing casing, a hole protection tooling and a hole protection method for underground coal mines, including an anti-slip joint and a plugging casing. The anti-slip joint includes a first pipe body, and a plurality of rectangular grooves are evenly arranged on the side wall of the first pipe body in the circumferential direction. An anti-slip structure is arranged in each rectangular groove. In the present invention, the anti-slip joint and the plugging casing, as well as adjacent plugging casings, all adopt a plugging connection method, and are connected by the cooperation of a first annular buckle and an annular buckle groove. By setting screw holes on the female joint and external screws to cooperate, it solves the problem of low efficiency existing in the threaded connection type casing in the prior art. The anti-slip joint adopts a telescopic leg, and the expansion and contraction of the leg is controlled by controlling the water pressure. In large-angle upward holes, it can effectively prevent the plugging casing in the drill hole from slipping down, and solves the technical problem that the casing is easy to slip down in large-angle upward holes in the prior art.
Owner:SHANXI TIANDI WANGPO COAL IND CO LTD +1
Arrangement for controlling volume in a gas or oil well system
The invention relates to an arrangement and methods to control volume of fluids in a well system having a riser (7) extending from a well to a rig. The riser (7) has an increased diameter section (1) situated below the upper end of the riser (7) and above any slip joint (12) in the riser. The arrangement further comprises a sensor (5) to continuously measure the position of the slip joint (12). the increased diameter section (1) is coupled to an outlet (19) that is in fluid communication with a fluid return system (18), and the arrangement further comprises a return pump (2) coupled between the outlet (19) and the mud return system (18). The outlet (19) is arranged at a lower level than the mud return system (18). Level sensors (22) measure the level of liquid within the increased diameter section (1).
Owner:ENHANCED DRILLING AS
A vacuum drying device suitable for PPS cross-linking and mixing
The utility model discloses a vacuum drying equipment suitable for PPS crosslinking, mixes, including base and material jar, the material jar is at the base top, the inside installation of material jar has auxiliary assembly, the auxiliary assembly includes the slip joint of several blocking strips in the inside of material jar, the one end fixed connection of blocking strip near outside has same connecting ring, the flange ring that the material jar circumference outer wall is provided with with connecting ring adaptation, the inside of connecting ring and flange ring all is set up and has several equal distance distribution's through -hole, several blocking strips one side away from each other all fixedly connected with a reinforcing pad, and several reinforcing pads all are with material jar inner wall and are pasted, the outside installation of material jar has the turning over subassembly, the utility model discloses through setting up auxiliary assembly, can according to need with blocking strip moves out material jar, and in the moving process, the part material that the blocking material outside adheres also will be cleaned, the cleaning of material jar inner wall is also more convenient.
Owner:CHONGQING WOLF CHEMICAL CO LTD
A front clamp for an omni directional drilling rig
The utility model discloses a kind of front clamps of all-around directional drilling rig, including front clamp cylinder body, front clamp cylinder body is cylindric structure with cylindrical cavity being arranged in center, and it is provided with cylindrical mounting cavity inside front clamp cylinder body, slip joint is provided with slip piston in mounting cavity, the inner wall of front clamp cylinder body is connected with slip sliding, and slip one side and slip piston sliding abut.This utility model is through setting slip piston and slip, and then by the joint on valve block injects oil into copper sleeve, slip piston is moved by the pressure of oil, and by the mutual cooperation of conical surface, and then slip is moved in radial direction in front clamp cylinder body, constitutes piston type linkage structure, using the incompressibility of oil, pressure can be rapidly and efficiently transmitted to slip piston, this drive mode with oil as medium, compared with traditional mechanical transmission, eliminates transmission gap and energy loss brought by complex mechanical structure.
Owner:HENAN CHANGXIN MECHANICAL & ELECTRICAL EQUIPMENT CO LTD
Self-adaptive clamping mechanism
The utility model provides a self-adaptive clamping mechanism which comprises a supporting table and a first double-end hydraulic rod, the movable end of the first double-end hydraulic rod is fixedly connected with a fixed clamping plate, one end of the fixed clamping plate is rotationally connected with an adjusting rod, one end of the adjusting rod is rotationally connected with a rotating pulley, and one side of the fixed clamping plate is fixedly connected with a positioning assembly. The positioning assembly comprises a double-end lead screw and a sliding connector, one end of the double-end lead screw is rotationally connected to the rotating pulley, the other end of the double-end lead screw is in threaded connection with the sliding connector, the positioning assembly further comprises a supporting rod and a sliding block, one end of the supporting rod is fixedly connected to the sliding connector, and one end of the sliding block is rotationally connected to the supporting rod; one end of the telescopic rod is fixedly connected with a second double-end hydraulic rod, and one end of the second double-end hydraulic rod is fixedly connected with a clamping table. The fixing clamping plates on the two sides can move inwards at the same time, and the angle of the adjusting rod can be adjusted by adjusting the positioning assembly so that workpieces of different shapes can be clamped.
Owner:LINQUAN COUNTY LONGYI ROLLING GATE CO LTD
Connecting device for a tower-like structure, in particular an offshore wind turbine, tower-like structure comprising such a connecting device, and method for manufacturing said structure
A connecting device for a tower-like structure is provided, and includes a plurality of connecting elements which are arranged between an upper component and a lower component of the structure in order to produce a slip joint, and for the purpose of load transfer between the upper component of the structure and the lower component of the structure, are to be positioned next to one another in the peripheral direction about the longitudinal axis and / or in the longitudinal direction thereof with respect to a central longitudinal axis of the structure. With respect to the longitudinal axis, the connecting device has a greater thickness in the centre thereof than at its upper and / or lower end.
Owner:ROSENXT HOLDING AG
Slip joint mechanism and socket mechanism
Owner:ZHANGZHOU SOLEX SMART HOME CO LTD
Workpiece limiting mechanism for cut-off equipment
The utility model discloses a workpiece limiting mechanism for cut-off equipment, which comprises a guide rod, a sliding joint is arranged on the guide rod, and the sliding joint can move back and forth on the guide rod; a limiting baffle is arranged at the top end of the sliding joint, and the limiting baffle is adjustably connected; an electric push rod is arranged at one end of the guide rod, the electric push rod and the limiting baffle are arranged in parallel, and the electric push rod and the guide rod are detachably connected. By arranging the guide rod, the guide rod is installed on one side of the conveying equipment, and the sliding connector and the limiting baffle are installed on the guide rod, so that the position of the limiting baffle can be adjusted according to use requirements, and the limiting baffle can be conveniently disassembled, assembled and replaced to a proper position according to the use requirements; and an electric push rod is arranged at one end of the guide rod, and the cut-off workpieces can be pushed away from the conveying equipment through the electric push rod. And a push plate is mounted at the output end of the electric push rod, so that the electric push rod can more stably push the cut workpieces away from the conveying equipment.
Owner:民乐县职业教育中心学校
Ultrasonic surgical instrument with transducer slip joint
A surgical instrument for use during a surgical procedure includes an instrument body, an ultrasonic transducer assembly extending along a longitudinal axis, a power cord, and a transducer slip joint. The ultrasonic transducer assembly is rotatably mounted within the instrument body about the longitudinal axis and defines a first outer profile. The power cord projects from the instrument body to provide electrical power to the ultrasonic transducer assembly for operating an acoustic waveguide. The transducer slip joint is positioned between the power cord and the ultrasonic transducer assembly and electrically and mechanically connects the power cord to the ultrasonic transducer assembly. The ultrasonic transducer assembly selectively rotates relative to the power cord for inhibiting the power cord from winding upon rotation of the ultrasonic transducer assembly. The transducer slip joint also defines a second outer profile that fits within the first outer profile of the ultrasonic transducer assembly.
Owner:CILAG GMBH INTERNATIONAL
Bridge displacement measuring system and method
The invention discloses a bridge displacement measuring system and method. The system comprises a base, a vertical displacement measuring device and two horizontal displacement measuring devices which are arranged orthogonally. The vertical displacement measuring device directly measures the vertical displacement of the bridge through a sliding insertion rod with scales. Each horizontal displacement measuring device comprises a spherical hinge assembly and a connecting assembly, a sliding connector at the top end of the connecting assembly is clamped into a guide groove in the specific direction of the bottom face of the bridge, so that the combined displacement of the bridge is decoupled, each spherical hinge only responds to the horizontal displacement in the single direction, and the displacement angle is directly indicated through angle scales on the spherical face of the spherical hinge. According to the method, by means of the system, the vertical displacement of the bridge and the horizontal displacement information in the two orthogonal directions are synchronously obtained by reading the changes of the scales of the insertion rod and the spherical hinge angle. Synchronous and visual measurement of three-dimensional displacement of the bridge is achieved through a pure mechanical structure, external energy is not needed, and the device is firm, reliable, low in cost and suitable for long-term monitoring.
Owner:中国建设基础设施有限公司 +3
An assembled quick-disassembly slip joint tooling applicable to slip construction technology
The present invention provides an assembled quick-release sliding node tooling applicable to sliding construction technology, which relates to the field of sliding construction technology. An assembled quick-release sliding node tooling applicable to sliding construction technology includes a sliding tooling and an H-shaped steel structure. The sliding tooling includes a first supporting plate, an upper clamping plate arranged above the first supporting plate, and a pulley arranged below the first supporting plate. The sliding tooling is connected to the H-shaped steel structure through the upper clamping plate. The upper clamping plate is connected to the first supporting plate through a first bolt. The pulley is connected to the first supporting plate through a pulley cover plate. A bottom plate is arranged at the bottom of the H-shaped steel structure, and stiffening ribs are arranged on both sides of the H-shaped steel structure. During the sliding construction of the present invention, the pulleys at the short sliding track can be quickly installed and disassembled, without the need for conventional welding and grinding. It can be applicable to load-bearing parts of different sizes, and at the same time, the installation and positioning of the pulleys can be adjusted, which is applicable to structural members of different specifications and forms, improving the construction efficiency.
Owner:ZHEJIANG DADONGWU CONSTR TECH CO LTD
Ultrahigh masonry reinforcement system for pseudo-classic building wall brick decoration wall body
The utility model discloses an ultra-high masonry reinforcing system for a wall brick decorative wall body of a pseudo-classic building. The ultra-high masonry reinforcing system comprises reinforcing steel bars, a U-shaped embedded part, a hanging part assembly, a fixing assembly and an auxiliary assembly. The reinforcing steel bars are arranged in the concrete wall, and the U-shaped embedded parts are perpendicular to the transverse reinforcing steel bars and are fixed in the concrete wall; the pendant assembly is fixedly embedded in the transverse steel bar, the fixing assembly is connected to the pendant assembly, the other end of the fixing assembly is fixed in the archaized brick, and the auxiliary assembly is connected with the pendant assembly and the fixing assembly; through the design of the positioning groove, the positioning hole and the sliding connector in the mounting piece of the pendant assembly, quick and accurate positioning and mounting are achieved, the T-shaped sliding groove of the fixing piece is in sliding clamping connection with the sliding connector, and the fastening threaded column of the auxiliary assembly is in threaded connection with the positioning hole and the fixing hole; the reinforcing component can be accurately positioned, moved and fixed in the installation process, sliding adjustment and thread fine adjustment can be carried out according to construction errors or wall unevenness conditions, and the installation speed is increased.
Owner:THE SECOND CONSTR OF CHINA CONSTR EIGHTH ENG DIV
A rotary self-centering frictional sliding joint
ActiveCN115559589BBridge structural detailsProtective buildings/sheltersFrictional slipClassical mechanics
The present application relates to a kind of rotary self-resetting friction slip joint, belong to civil engineering seismic mitigation technology field.The friction piece of two groups of relative sliding, combined disc spring and a high-strength bolt are included;Two groups of relative sliding friction piece are buckled together, while being connected in series on a high-strength bolt;Friction piece outside on the high-strength bolt is also tightly sleeved with the combined disc spring, and pre-tightening force is applied to friction piece;Each group of friction piece includes an outer friction piece and an inner friction piece, and a plurality of fan-shaped body serrated projections are arranged thereon;The inner side of outer friction piece and the outer side of inner friction piece are provided with wedge-shaped protrusions.The present application can effectively solve the problem of energy dissipation and self-resetting simultaneously.
Owner:BEIJING UNIV OF TECH
Evaluation method and system of slip joint, storage medium and equipment
The invention discloses a slip joint evaluation method and system, a storage medium and equipment. The method comprises the following steps: acquiring a first center point coordinate of an electric drive end slip joint of a vehicle in a static state and a second center point coordinate of a wheel end fixed joint; acquiring torque on a driving shaft in an acceleration state of the vehicle and vertical displacement variation between central points of upper and lower mounting seats of a suspension spring; according to the torque and the first center point coordinate, the first displacement variation of the electric drive end slip joint is determined; according to the first center point coordinate, the vertical displacement variable quantity and the first displacement variable quantity, determining a new center point coordinate of the electric drive end slip joint; determining a dynamic included angle between the driving shaft and the electric drive torque output shaft according to the second center point coordinate, the new center point coordinate and the axis of the electric drive torque output shaft; and according to the dynamic included angle and a preset included angle value, determining whether the electric drive end slip joint is qualified. According to the invention, the qualification of the slip joint is detected through the dynamic included angle, so that the purposes of optimizing vehicle noise and reducing vehicle vibration are achieved.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD
Modularized tap water pipeline quick mounting joint
The utility model provides a modularized tap water pipeline quick mounting joint, and belongs to the technical field of pipe joints. Comprising a water pipe connector body, the water pipe connector body comprises an assembly pipe and two sets of sliding connectors and fixed connectors, and the two sets of sliding connectors and fixed connectors are used for being connected with an external water pipe; the connecting pipe is located on the water pipe connector body and used for connecting the sliding connector and the assembling pipe so that the interior of the water pipe connector body can communicate with each other. Compared with the prior art that when an existing three-way water pipe connector goes wrong and needs to be replaced, the steps are tedious, the connecting positions of three water pipes and the connector need to be sawed off, and the replacement time is delayed, the modularized connector can easily achieve replacement by adjusting the distance between the sliding connector and the assembling pipe, and the practicability is high. And complicated pipe sawing operation is not needed, so that the replacement time is greatly saved.
Owner:YISHUI COUNTY WATER CONSERVANCY BUREAU SHILIBIAO WATER CONSERVANCY SERVICE CENT
Sealing means, improved slip joint apparatus and / or methods of use thereof
Manners of sealing for use with slip joint apparatuses are provided that includes a first surface which is arranged to contact a surface of an item in use, and one or more side wall surfaces extending away from the first surface. The first surface and / or said one or more side wall surfaces are arranged so as to allow a degree of pivotable and / or angular movement of at least the first surface of the sealing with respect to the item surface with which it contacts in use.
Owner:TECONNEX
Joint structure and joint method
To provide a joint structure which is suitable for joint work such as a monopile and a transition piece in the offshore wind power generation, and to provide a joint method.SOLUTION: A joint structure 10 comprises a slip joint formed by externally fitting a second cylindrical body 20 having an inner peripheral surface 18 whose diameter is reduced in a tapered manner to an outer peripheral surface 14 of a first cylindrical body 16 having the outer peripheral surface 14 whose diameter is reduced in a tapered manner toward a cylinder tip 12. The cylinder tip 12 of the first cylindrical body 16 is welded to the inner peripheral surface 18 with the second cylindrical body 20 being a backing metal.SELECTED DRAWING: Figure 1
Owner:SHIMIZU CORP
OFFSHORE STRUCTURE WITH A COATED SLIDING JOINT AND METHOD FOR MANUFACTURING IT
Owner:DELFT OFFSHORE TURBINE BV
Cardan shaft arrangement for vehicles
Axle arrangement with an outer bevel gear arrangement and an inner bevel gear arrangement. Each bevel gear arrangement allows large rotation of the axle shaft about a respective pivot axis through the bevel gear arrangement, perpendicular to the axle shaft, to allow the axle to pivot through large angles with negligible effect on torque transmission. The axle shaft has multiple sections connected in series between the bevel gear assemblies. A sliding joint is located between two of the shaft sections. An inner rotary joint is located between two of the shaft sections, and an outer rotary joint is located between two of the shaft sections. Both couplings are stabilized by hinge housings fixed relative to the bevel gear assemblies with a hinge axis through the rotary joint. Each hinge axis is perpendicular to the major axis of the shaft section(s) between the rotary joints and perpendicular to the respective pivot axis.
Owner:WEISS NOMINEES PTY LTD
Composite intelligent vibration absorber based on centrifugal pendulum
The invention provides a tool applied to the field of petroleum drilling, and particularly relates to a combined type intelligent vibration absorber based on a centrifugal pendulum. Comprising a sealing joint, a side cover plate, a battery, a power management module, a fixing screw, a main control unit, a vibration sensing unit, an embedded ring shell, a vibration absorption bracket, an axial long spring, a swinging block, an axial short spring, a pushing block, an insulating coil, a sliding joint, a vibration transmission shaft and magnetorheological fluid. The advantages of a spring, a centrifugal pendulum and a magnetorheological fluid damper are integrated, high-frequency and low-frequency random vibration absorption, axial vibration absorption of the spring and the magnetorheological fluid damper and circumferential vibration absorption of the centrifugal pendulum and the magnetorheological fluid damper are completed in a matched mode, an intelligent magnetorheological fluid damping automatic adjusting system is matched, and effective control over full-frequency-band vibration of a drill column is achieved.
Owner:SOUTHWEST PETROLEUM UNIV +2