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1765 results about "Ball joint" patented technology

In an automobile, ball joints are spherical bearings that connect the control arms to the steering knuckles. They are used on virtually every automobile made and work similarly to the ball-and-socket design of the human hip joint.

Drilling machine with chipping cleaning function for machining lower ball head of automobile

The invention relates to the technical field of drilling machines, and provides an automobile lower ball head machining drilling machine with a chipping cleaning function, which comprises a machine body, a workbench, a main shaft, a drill bit and a sprayer, and further comprises a protection mechanism, a filtering mechanism, a purging pipe and a dumping mechanism, the protection mechanism is used for protecting a drilling position, and the protection mechanism comprises a protection barrel and a sealing cover; the protective barrel is arranged on the machine body, the workbench is arranged in the protective barrel, the sealing cover is arranged on the main shaft, the filtering mechanism is used for filtering metal chippings and comprises a liquid collecting hopper and a filter screen, the liquid collecting hopper is arranged below the protective barrel, the filter screen is rotatably arranged in the liquid collecting hopper, and the blowing pipe is arranged on the sealing cover. And the pouring mechanism is used for pouring the liquid collecting hopper and pouring out the metal chippings in the filter screen, and by means of the technical scheme, the problem that in the prior art, cutting liquid is mixed with cutting chippings, so that subsequent drilling machining is affected is solved.
Owner:SHAOYANG ZHENGDE MASCH TECH CO LTD

Push-bending device for pipe with small bending radius and using method of push-bending device

ActiveCN119771985AStraight tubeForce sensor
The invention provides a small-bending-radius pipe push-bending device and a using method thereof.The small-bending-radius pipe push-bending device comprises an upper supporting plate, a push rod, a hydraulic pressurizing pipe, a guide sleeve, a push-bending mold, a sealing joint, a sealing ring, a rubber ball, a pressure sensor, a hydraulic pushing cylinder, a movable ball joint and a hydraulic pressurizer. The using method comprises the following steps that firstly, a straight pipe needing to be machined is installed on the inner side of the push-bending mold; the guide rod is attached to the guide sleeve; a plurality of rubber balls are filled in the inner cavity of the straight pipe; a gap of an inner cavity of the straight pipe is filled through the hydraulic pressurizer; starting the press to apply downward pressure to the push rod; the liquid filling pressure is set to pressurize and support the interior of the pipe, and the pipe begins to be bent and formed along with descending of the push rod; and after 90-degree bending forming is completed, the liquid filling pressure is gradually increased for pressurization shaping. By adopting the mode of filling gaps with rubber balls and hydraulic pressure, the supporting pressure in the pipe is improved; and by adopting a differential friction form, the length of a linear section is increased, and meanwhile uniform stress in the bending process is achieved.
Owner:SHANGHAI SPACE PRECISION MACHINERY RES INST

Extendable arm mount for showerhead assemblies

A showerhead assembly is provided which includes an arm mount assembly for releasably and / or extendably holding a handheld showerhead. The arm mount assembly includes one or more shoulder portions and a movable arm portion. The arm mount assembly comprises a coupler, a second shoulder outlet, and a connection end. The connection end is configured to couple with the handheld showerhead by a rear side or proximal end thereof, or an adapter operatively coupled therewith. The means for coupling can include magnets, a hook and loop mechanism, or a ball joint connection. In addition, a spring-button tab mechanism can be utilized for managing the operative engagement and disengagement of the arm mount assembly with the handheld showerhead. The arm mount assembly provides for a wide range of adjustability of the showerhead assembly, such as panning, swiveling, tilting, and / or rotation of the handheld showerhead.
Owner:ETL LLC

Concrete defect state recognition and passive detection combined control method under super-tonnage block type spherical hinge

The invention relates to the technical field of concrete defect identification, and discloses a concrete defect state identification and passive detection combined control method under a super-tonnage block type spherical hinge, which is used for solving the problem that defect prediction cannot be realized during concrete defect identification, and comprises the following steps: setting sampling points in a concrete structure in a layered manner, acquiring strain monitoring data of each sampling point, judging whether the sampling points have defects or not, if so, performing grouting repair intervention treatment, if not, acquiring risk parameters of concrete defects, and evaluating according to the risk parameters to obtain defect risk indexes; whether the sampling points have the risk of concrete defects or not is judged, if the sampling points have the risk of concrete defects, early warning and vibration equipment parameter adjustment are carried out on the sampling points according to the defect risk indexes, the structure quality safety and the construction efficiency are effectively improved, and the engineering field intelligent management and control degree is improved.
Owner:WUHAN TENGQIAO ENG CONSULTING CO LTD

Front engine attachment system for an aircraft engine, which has a compact structure

A front engine attachment system for an engine having an engine pylon with a nose having a main female clevis and a cylindrical housing, a main rod fastened to the engine by a secondary ball joint connection about a secondary axis, a main shaft realizing a main ball joint connection of the main rod in the main female clevis about a main axis, wherein the main axis and the secondary axis are in the same vertical plane, a hollow outer cylinder with a vertical axis, of which a first end is fastened in the cylindrical housing and of which a second end is mounted so as to be able to move, via an annular linear connection, with respect to the front casing and an inner cylinder threaded and fastened in the outer cylinder.
Owner:AIRBUS OPERATIONS (SAS)

Dual-head shower assemblies

A shower assembly includes a stationary base and an inlet assembly configured to rotate relative to the stationary base. The inlet assembly includes a pivot rotatably coupled to the stationary base, a first arm extending radially from the pivot, and a second arm extending radially from the pivot, opposite the first arm. The shower assembly further includes a showerhead disposed on an end of the first arm and a first ball joint disposed between the showerhead and the end of the first arm. A docking member is disposed on an end of the second arm and has a second ball joint disposed between the docking member and the end of the second arm. The docking member includes a magnet disposed therein. A removable hand shower including a ferromagnetic element is configured to magnetically couple to the magnet of the docking member.
Owner:KOHLER CO(US)

Integrated two-wheel drive module and method of joining integrated two-wheel drive module and cabin

An embodiment integrated two-wheel drive module includes a module body, wherein each side portion of the module body extends upward to define a space and an upper end of each side portion extends to one side to define a shoulder portion, a battery and a controller disposed in the module body, a pair of wheels mounted on both side surfaces of the module body, wheel frames disposed in each of the wheels, wherein the wheels are rotatable with respect to the wheel frames, in-wheel motors mounted in each of the wheel frames, joining brackets disposed on a first surface of each of the wheel frames, respectively, a steering device mounted in the module body and connected to each of the wheel frames through respective ball joints, and suspensions mounted between the shoulder portions of the module body and the joining brackets.
Owner:HYUNDAI MOTOR CO LTD +1

Apparatus for mounting a solar panel on a vehicle

A device for mounting a solar panel to a vehicle includes a base frame, and a plurality of actuators pivotally coupled to the base frame and pivotable about respective pivot axes. Each actuator is transitional between a retracted position and an extended position. The device additionally includes a hub coupled to the actuators respective spherical joints. The spherical joints are configured to allow the hub to move relative to the actuators about two axes. A panel support frame is coupled to the hub and is configured to be engageable with a solar panel. The panel support frame is selectively positionable relative to the base frame via selective positioning of the actuators between their respective retracted and extended positions, and via selective pivoting of the actuators relative to the base frame.
Owner:ROBOTEOS INC

Opening and closing device

An opening and closing device couples a vehicle body having an opening to a body that opens and closes the opening, at least one of the vehicle body and the body including a ball stud including a ball, the opening and closing device including: a shaft member; a socket fixed to an end of the shaft member, including a housing portion that houses the ball, and constituting a ball joint together with the ball; an elastic body supported by the socket and holding the ball with the socket; and a cover mounted at a restricting position where displacement of the elastic body relative to the socket is restricted. The cover includes two side walls sandwiching the housing portion, one of the housing portion and the side walls has a recess, and the other has a protrusion fitted into the recess when the cover is at the restricting position.
Owner:AISIN CORP

Ball joint which is resistant to wear and high temperatures, and method for manufacturing the ball joint

A spherical ball joint has an outer ring 2 of a nickel based material with a carbonitriding layer on a spherical inner surface 2a sliding on an inner ring 3 of a cobalt-based or nickel-based material
Owner:SKF AEROSPACE FRANCE SAS

Simplified hold and drive feature for a ball joint

A suspension assembly for a vehicle may be provided. The suspension assembly may include a strut which may operably couple a wheel of the vehicle to a body of the vehicle, a stabilizer bar, and a stabilizer bar link which may operably couple the stabilizer bar to the strut. The stabilizer bar link may include a first ball joint, a second ball joint, and a shaft which may extend therebetween. The first and second ball joints may include first and second threaded shafts, respectively, that may extend through respective first and second receiving orifices. A base of the first and second threaded shafts may include a non-rounded shaped perimeter. A perimeter of one of the first and second receiving orifices may be complementary to the non-rounded shaped perimeter to hold one of the first and second threaded shafts in place while the fastener may be tightened thereon.
Owner:FORD GLOBAL TECH LLC

Front engine attachment system for an aircraft engine having a compact structure

The invention relates to a front engine attachment system (150) for an engine (102) comprising a reactor mast (104) with a nose (110) having a main female clevis (111) and a cylindrical housing, a main connecting rod (162) fixed to the engine (102) by a secondary ball joint around a secondary axis (12), a main shaft (165) making a main ball joint of the main connecting rod (162) in the main female clevis (111) around a main axis (10), where the main axis (10) and the secondary axis (12) are in the same vertical plane, a hollow outer cylinder with a vertical axis, the first end of which is fixed in the cylindrical housing and the second end of which is mounted movably through an annular linear connection relative to the front casing (103) and an inner cylinder threaded and fixed in the outer cylinder.Such a forward engine attachment system has a reduced vertical footprint because the forward engine attachment is integrated into the reactor mast.
Owner:AIRBUS OPERATIONS (SAS)

Composite plate compression test clamping device

The invention relates to the technical field of composite material mechanical property detection, in particular to a composite material plate compression test clamping device, which comprises a fixed seat, and a clamping mechanism, a power device and a loading assembly which are arranged on the fixed seat, the clamping mechanism comprises a first clamping assembly and a second clamping assembly which are oppositely arranged, the first clamping assembly is driven by a power device to move towards the second clamping assembly, the sample plate is clamped and fixed from the two sides of the sample plate, and the stability of uniform clamping of the sample plate is ensured. The first movable clamping plate and the second movable clamping plate are connected with the loading assembly and are driven by the loading assembly to move towards the first fixed clamping plate and the second fixed clamping plate respectively. A clamped and fixed sample plate is vertically loaded by independently controlling a loading assembly, the loading assembly comprises a downward pressing seat and a loading rod arranged on the downward pressing seat, a ball head part of the loading rod is rotationally connected with the downward pressing seat, a ball joint can compensate the installation angle deviation of the sample, and it is ensured that a compression load acts on the center of the sample plate in the vertical direction all the time.
Owner:KNOWLEDGE CENT WMC CHINA

Raw material crushing device for preparing fruit preservative

The invention relates to the technical field of raw material crushing, in particular to a raw material crushing device for preparing a fruit preservative. Comprising a base which is provided with a driving module; the outer cylinder is rotationally connected to the base, and a lining plate layer is fixedly connected to the inner side of the outer cylinder; the multiple fixing shells are fixedly connected to the outer cylinder and fixedly connected with the lining plate layer, the fixing shells are slidably connected with baffles, the baffles are in ball joint with spline rods, and the spline rods are in threaded connection with spiral sleeves; the sliding piece is fixedly connected to the spiral sleeve; and the limiting ring is fixedly connected to the base and is in sliding connection with the sliding piece. By changing the moving distance of the baffle and increasing the contact area of the baffle and a mixture, the probability that materials collide with a crushing medium is increased, the material crushing force is increased, the reduction of the particle size of the materials is accelerated, and the effect of controlling the particle size of the crushed materials is achieved.
Owner:XINJIANG ACADEMY OF AGRI & RECLAMATION SCI +1

Ball joint mechanism with compact structure

The invention provides a ball joint mechanism with a compact structure, which comprises a solid ball body and a shell capable of accommodating the ball body, and a ball handle is arranged at the upper part of the ball body; a stepped through hole is formed in the position, corresponding to the ball handle, of the ball body, the stepped through hole is composed of a small hole section and a large hole section, the small hole section is a threaded hole, the large hole section is an unthreaded hole, an opening of the small hole section faces upwards and is located on the ball handle, and an opening of the large hole section faces downwards and is located on the spherical surface of the ball body; an adjusting screw plug, a spring and a plunger are sequentially installed in the stepped through hole from top to bottom, one part of the adjusting screw plug is in threaded fit with the small hole section, the other part of the adjusting screw plug is located in the large hole section, the outer side end of the plunger can extend outwards from an opening of the large hole section under the elastic force action of the spring, and the end face of the outer side end of the plunger is a spherical surface; a curved surface seat is arranged on the lower portion of the shell, the curved surface seat is provided with an inner concave surface, and the outer side end face of the plunger is in contact fit with the inner concave surface of the curved surface seat. The ball body in the structure can obtain large damping feeling during rotation and is very smooth during rotation.
Owner:HENGYANG NIUJIAOJIAN NETWORK TECH CO LTD

Toy figure with ball joints

A toy figure (1) with a plurality of movable body parts (2) is provided. In each case, two body parts (2) are releasably connected to one another by a ball joint (4). The ball joint (4) has a first joint part (41) and a second joint part (42). Each joint part (41, 42) has a first end and an opposite second end, which are connected to each other via a joint axis (43). A joint head (411) is arranged at the first end of the first joint part (41) and a joint socket (421) is arranged at the first end of the second joint part (42). The joint socket (421) movably accomodates the joint head. An anchor for attaching the respective joint part to a body part is arranged at the second end of the first joint part and at the second end of the second joint part.
Owner:MIXUPS GMBH

Auxiliary welding device for steel tube tower

The invention discloses an auxiliary welding device for a steel tube tower, which belongs to the field of welding tools and comprises at least two supporting seats, supporting rollers are rotatably mounted on two sides of each supporting seat, a rotating roller is arranged between the supporting rollers on two sides, each rotating roller is formed by connecting two semicircular rollers, a plurality of puller bolts are in threaded connection with the semicircular rollers, and the puller bolts are in threaded connection with the supporting seats. A ball joint is arranged at the lower end of the puller bolt, and one end of the ball joint is connected with a puller plate; a moving seat is arranged on the lower portion of the supporting seat and comprises a U-shaped base, and moving wheels are arranged on the lower portion of the U-shaped base. The steel tube tower of the multi-edge tube structure is placed in the semicircular roller with the outer portion of the cylindrical structure, the multi-edge tube is tightly jacked through the jacking bolts, rotary welding of the multi-edge tube and the flange plate is achieved, the problems that due to repeated hoisting of a hoisting tool, the welding efficiency is low, and the flange plate is prone to deformation are solved, and the welding quality is improved. And the welding precision of the flange plate is influenced by bumping and vibration of the multi-edge pipe caused by rotation of a traditional roller frame.
Owner:STATE GRID SHANDONG ELECTRIC POWER COMPANY WEIFANG POWER SUPPLY +1

Multifunctional cutting base and cutting method for large casting of fan

The invention discloses a multifunctional cutting base and a cutting method for a large fan casting, and relates to the technical field of casting cutting machining.The base comprises a self-adaptive supporting platform, a combined type damping assembly, a vibration control unit and a chip and oil mist recycling unit; the self-adaptive supporting platform is attached to the bottom of a casting through a plurality of spherical hinge universal planes with angles and heights adjusted hydraulically to form a profiling supporting face so as to achieve multi-point self-adaptive clamping. The combined type damping assembly conducts damping adjustment along with machining vibration dynamic response through the damping unit in cooperation with the vibration control unit, and the machining posture of the casting is stabilized. The cuttings and oil mist recovery unit is used for synchronously collecting and separating dust, metal cuttings and cooling oil liquid generated in the turning process through a liquid-solid separation module, a dust hood with a negative pressure suction function and a chip removal channel; the clamping stability and the machining precision of the large casting are effectively improved, the machining site environment is improved, and the problem that an existing large casting machining platform affects the casting machining state is solved.
Owner:GUANGDONG LONGMA CASTING CO LTD

Combined suspension ball head assembly

The utility model discloses a combined suspension ball head assembly which comprises a shell and a ball pin, and the shell comprises an upper half shell and a lower half shell; the ball pin comprises a ball head body and a pin rod, and an abutting ring groove is formed in the top of the inner wall of the upper half shell; a sealing cover is fixed to the top of the ball head body in a riveting mode and clamped into the abutting ring groove for limiting. The upper half shell body and the lower half shell body are attached and fixed through a screw rod, and a sealing gasket is arranged at the joint of the upper half shell body and the lower half shell body. And lubricating grease layers are filled between the ball head body and the inner wall of the upper half shell and between the ball head body and the inner wall of the lower half shell. The ball joint is reasonable in structural arrangement, the shell is composed of the upper half shell and the lower half shell, disassembly, assembly and maintenance are facilitated, the sealing gasket is arranged at the connecting position, the sealing performance of the connecting position can be guaranteed, the sealing cover is arranged at the top of the ball head body to be matched with the abutting ring groove in the upper portion of the inner wall of the upper half shell, and the overall sealing performance and the internal sealing and lubricating performance are guaranteed; usage is stable and reliable.
Owner:GUANGZHOU TOMOI AUTO PARTS CO LTD

Adjustable steering tie rod

ActiveCN222157588UAdjustable action lengthsimple designSteering linkagesWheelbaseBall joint
The utility model relates to the technical field of automobiles, in particular to an adjustable steering tie rod which comprises a pipe clamp, the pipe clamp is locked and matched with a nut through a bolt, the pipe clamp is connected with a tie rod body in a matched mode, and the tie rod body comprises a rod body, a first connecting rod and a second connecting rod. The pipe clamp, the bolt and the nut are all installed outside the first connecting rod and the second connecting rod, and the first connecting rod and the second connecting rod are both rotationally connected with a ball hinge joint assembly through threads. The whole device is simple in design and easy to operate, through the arrangement of the two spherical hinge joint assemblies with the opposite thread screwing directions, the effect length of the steering tie rod can be adjusted only by screwing the tie rod body on the premise that the steering tie rod does not need to be assembled and disassembled, and the steering tie rod is convenient to assemble and disassemble. Therefore, the accurate requirements of users on the action length of the tie rod under different axle distances are met; and the scale area is arranged, and the tail end of the ball joint assembly is used as a scale pointer, so that the visual adjustment of the action length of the steering tie rod is realized.
Owner:SINO TRUK JINAN POWER CO LTD

Ball joint for a motor vehicle

The invention relates to a ball joint (10) for a motor vehicle, in particular for a chassis of the motor vehicle, comprising: - a joint housing (1) having a joint opening in which a bearing shell (6) is arranged, - a ball pin (2) having a joint ball (4) and a pin (5), which is mounted with its joint ball (4) in the bearing shell (6) in an articulated manner and which projects with its pin (5) through the joint opening out of the joint housing (1), and - a sensor device for detecting wear, wherein the sensor device has a circuit arrangement (11) which is mechanically actuated by the joint ball (4) and which is arranged within the joint housing (1), wherein the circuit arrangement (11) can be transferred, due to wear, from a basic switching position in which an electrical circuit (21) of the circuit arrangement (11) is closed into at least two further switching positions.
Owner:ZF FRIEDRICHSHAFEN AG

Device for measuring electrochemical hydrogen permeation curve under cross tensile load based on feedback compensation

The invention discloses a device for measuring an electrochemical hydrogen permeation curve under a cross tensile load based on feedback compensation, and aims to solve the problems that in the prior art, the hydrogen permeation curve of a sample under the cross tensile load cannot be measured, and relaxed stress cannot be compensated during measurement. The device for measuring electrochemical hydrogen permeation under the cross tensile load based on feedback compensation comprises a circular bracket, a stress sensor, a ball joint tensile arm, a clamping assembly, a motor torque-axial force conversion assembly, a PC (Personal Computer), an electrochemical workstation and a sample, the method is applied to the field of electrochemical hydrogen permeation testing.
Owner:XI'AN PETROLEUM UNIVERSITY +1

Position Roller for Web Meander Control

A position roller for meander control includes, in one example, a roller with a rotational axis; a first ball joint supporting a distal end among both ends of the rotational axis for pivotal movement; an XZ driver that drives a proximal end among both ends of the rotational axis into two-dimensional motion in a plane; and a base supporting the first ball joint and the XZ driver.
Owner:LG ENERGY SOLUTION LTD

Large component gravity center measuring method based on distributed six-dimensional force sensor

The invention provides a method for measuring the gravity center of a large component based on a distributed six-dimensional force sensor. The method specifically comprises the steps that firstly, the six-dimensional force sensor is installed below a spherical hinge of a positioner and used for measuring the contact force and friction torque of the spherical hinge; then, according to the conversion principle of force and torque between coordinate systems, the acting force and torque of the positioner on the large component and the gravity and gravitational torque of the large component are converted into the base coordinate system, and therefore a torque balance equation of the large component in the base coordinate system is established; and finally, adjusting the spatial attitude of the large component, and solving the center-of-gravity position by adopting a least square method according to the moment balance equation of the large component under different attitudes. According to the method of the scheme, aiming at the influence of the friction torque of the spherical hinge on the gravity center measurement precision during the gravity center measurement of the large component, the friction torque of the spherical hinge during the posture adjustment of the large component can be calculated, so that the gravity center measurement precision of the large component is improved.
Owner:NANJING VOCATIONAL UNIV OF IND TECH

FRONT ENGINE MOUNTING SYSTEM FOR AN AIRCRAFT ENGINE WITH A COMPACT STRUCTURE

FRONT ENGINE MOUNTING SYSTEM FOR AN AIRCRAFT ENGINE WITH A COMPACT STRUCTURE The invention relates to a front engine mounting system (150) for an engine (102) comprising a jet pylon (104) with a nose (110) having a main female clevis (111) and a cylindrical housing, a main connecting rod (162) fixed to the engine (102) by a secondary ball joint about a secondary axis (12), a main shaft (165) providing a main ball joint of the main connecting rod (162) in the main female clevis (111) about a main axis (10), where the main axis (10) and the secondary axis (12) are in the same vertical plane, a hollow external cylinder with a vertical axis, the first end of which is fixed in the cylindrical housing and the second end of which is mounted movably through an annular linear connection relative to the front casing (103) and an inner cylinder inserted and fixed inside the outer cylinder.Such a forward engine mounting system has a reduced vertical footprint because the forward engine mount is integrated into the reactor mast. Fig. 2.
Owner:AIRBUS OPERATIONS (SAS)

Device and method for testing color fastness to rubbing of dark cotton corduroy fabric

The invention discloses a device and a method for testing color fastness to rubbing of a dark cotton corduroy fabric, and belongs to the technical field of fabric detection.The device comprises a chassis, an electric guide rail is arranged on the periphery of the top of the chassis, a material changing mechanism is arranged on the top of the electric guide rail, and lifting bases are symmetrically arranged at the two ends of the chassis; an adjusting cross beam and a control panel are arranged on the lifting base; linkage and mutual matching of a system and a mechanical structure can be formed, feeding abnormity generated in the automatic material changing period of the fabric is avoided, the influence of related factors of material fixing on the color rubbing fastness detection result is reduced, multiple magnetic attraction conversion connection and pneumatic attraction connection between the material changing mechanism and the material clamping friction dynamic detection mechanism can be utilized, and the color rubbing fastness detection efficiency is improved. In combination with a ball joint rolling adjustment dynamic structure, self-adaptive rapid adjustment is performed on the fabric with center deviation or abnormal fixation after feeding, and the overall detection efficiency and accuracy are improved.
Owner:YIXING XINLEQI TEXTILE PRINTING & DYEING

Automatic rust removing and grinding equipment for ship surface

The invention provides automatic ship surface rust removing and grinding equipment, and belongs to the technical field of grinding equipment. The top surface of the annular flexible steel plate is connected with the bottom of the supporting plate through a plurality of telescopic driving pieces; the two ends of the telescopic driving piece are matched with the supporting plate and the annular flexible steel plate ball joint. At least one group of movable polishing assemblies; the movable grinding assembly comprises a circumferential moving assembly which is erected on the annular outer edge of the supporting plate and moves in the circumferential direction of the supporting plate. One end of the telescopic rod is matched with a bottom ball joint of the circumferential moving assembly; a guide sliding block is fixed on one side of the mounting ring, and the guide sliding block is clamped on the outer edge of the annular flexible steel plate in a sliding manner; the dull polishing executing part is erected in the mounting ring through a linear driving assembly; and the top of the sanding and grinding execution piece is matched with a ball joint at the other end of the telescopic rod. The equipment can adapt to the variable-curvature surface of the ship, the posture of the grinding equipment is guided, and rust removal grinding with the uniform surface thickness is achieved.
Owner:JIANGSU UNIV OF SCI & TECH

Double-step high-performance sealed viscous damping wall

The double-step high-performance sealed viscous damping wall comprises a viscous damper and steel frames installed at the two ends of the viscous damper, the outer sides of the steel frames are fixedly connected with lug plates, embedded parts are arranged on the side walls of the lug plates, and the two ends of the viscous damper are hinged to the steel frames through gapless spherical hinges; the viscous damper comprises an oil cylinder, a piston and a piston rod, and the oil cylinder is filled with damping liquid; a variable cross-section structure is arranged on the inner wall of the oil cylinder, so that the middle circulation cross section is larger than the cross sections at two ends, and intelligent grading regulation of damping force along with piston displacement is realized; the invention belongs to the technical field of civil engineering damping walls, and achieves the technical effects that the groove is machined in the middle of the oil cylinder, a double-step energy dissipation mechanism is constructed, when a piston moves in the range of the groove, silicone oil can flow through double channels of the enlarged radial gap and the communicating hole, the piston moves to break through the boundary of the groove due to an earthquake, and the damping effect is achieved. And the gap between the piston and the oil cylinder is compressed instantly, so that the comfort under small earthquakes is guaranteed, and high-efficiency dissipation of pulse energy during large earthquakes is ensured.
Owner:SHANGHAI STEEL DAMPING TECH OF BUILDING CO LTD

Auxiliary positioning structure for installation of large-span spherical steel truss

The invention belongs to the technical field of auxiliary positioning structures, and particularly relates to an auxiliary positioning structure for installation of a large-span spherical steel truss, the auxiliary positioning structure comprises a moving frame and a clamping positioning mechanism, and the bottom of the moving frame is provided with a walking mechanism and a centering mechanism; the number of the centering mechanisms is two, and the two centering mechanisms are arranged on the two sides of the bottom of the movable frame correspondingly. The centering mechanism comprises a centering telescopic cylinder and a supporting and fixing plate, and the two ends of the centering telescopic cylinder are fixedly connected with the movable frame and the supporting and fixing plate correspondingly. The clamping and positioning mechanism comprises a fixed clamping plate and two clamping arms, and a lifting telescopic cylinder is arranged between the fixed clamping plate and the top of the movable frame. The overall movement is realized through the walking mechanism; the whole body and the welded underframe can be supported and positioned through the centering mechanism, so that the relative positions of the top ball joint and the cross rod clamped by the clamping and positioning mechanism and the welded underframe are ensured, and the influence of uneven ground is avoided.
Owner:中色十二冶金建设有限公司