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40 results about "Swing bridge" patented technology
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A swing bridge is a movable bridge that has as its primary structural support a vertical locating pin and support ring, usually at or near to its center of gravity, about which the turning span can then pivot horizontally as shown in the animated illustration to the right. Small swing bridges as found over canals may be pivoted only at one end, opening as would a gate, but require substantial underground structure to support the pivot.
Construction apparatus of double-block ballastless track and construction process
ActiveCN101289828AAccurate and reliable spacingSimplify operating proceduresRailway track constructionMeasuring apparatusSurface finishMovable type
The invention discloses construction equipment and a construction process for a double block type unballasted track, belonging to the railway track construction field. The construction equipment comprises combined type track panels which are matched to use, a proper motion type paver, a multifunctional electric control lifting device, a movable type mechanical sleeper distribution assembly platform and a shunting swing bridge; under the conditions of meeting the construction quality and the construction efficiency, the construction equipment has the advantages of small number of device categories, simple equipment operation, high construction efficiency and low cost of the outfit. The construction process comprise the following steps: the transverse template mounting, the sleeper distribution and the track panel assembly, the coarse adjustment of track panels, the track bed reinforcing fabric seizing and the grounding welding, the connection and the accurate adjustment of the track panels, the vertical template mounting, the track bed concrete pouring and the surface finishing and forming, the curing and the track panel disassembly, reentering the circle; the process has the advantages of simple process and fast speed; therefore, the invention can completely meet requirements of high standard, high accuracy and high efficiency in the construction of the unballasted track.
Owner:北京铁五院工程机械有限公司 +2
Self-propelled platform base
ActiveCN101934682AStable supportReduce rolloverResilient suspensionsAxle unitsEngineeringAerial work platform
The invention discloses a self-propelled platform base, which comprises a base, wherein the base is hinged with a swing bridge through a base spindle; wheels are arranged on the two sides of the swing bridge; extension bridges are arranged on the inner sides of the wheels and in the swing bridge and comprise a left extension bridge and a right extension bridge; the wheels include a left wheel and a right wheel; the left extension bridge is arranged on the inner side of the left wheel and the right extension bridge is arranged on the inner side of the right wheel; and the left and right extension bridges are not in the same line. In the invention, as the extension mechanisms of the left and right wheels are not in the same line, wider extension space is formed on the basis of the same base width, and the extended base is wider and more stable, provides a higher strength for supporting an overhead operation platform and lowers tripling possibility; the extension bridge structure can complete extending wheel distance in a running process; the working efficiency is high; and stability and reliability are ensured.
Owner:ZHEJIANG DINGLI MACHINERY CO LTD
Mechanical anti-swing bridge crane for hoisting bundled round steel
ActiveCN113602973ASimple structureImprove the efficiency of hoisting operationsTravelling cranesTrolleysBlock and tackleElectric machinery
A mechanical anti-swing bridge crane for hoisting bundled round steel relates to the technical field of cranes, and comprises a crane bridge frame and a hoisting mechanism which is mounted at the top of the crane bridge frame and is used for hoisting the bundled round steel, and further comprises a hydraulic telescopic device and a rotary lifting appliance for hanging the bundled round steel; the rotary lifting appliance which is correspondingly connected with the hoisting mechanism is arranged below the crane bridge frame; the hoisting mechanism comprises winding drums which are arranged at the two ends of the top of the crane bridge frame and are synchronously driven by the same driving motor, and two steel wire ropes are synchronously wound on drum bodies of the two winding drums; the rotary lifting appliance is provided with four movable pulley blocks corresponding to the four steel wire ropes respectively; and the crane bridge frame is provided with four fixed pulley blocks corresponding to the four movable pulley blocks respectively; and the lifting operation efficiency is high, and meanwhile the phenomenon that the rotary lifting appliance shakes in the transfer process of the rotary lifting appliance can be avoided.
Owner:HENAN WEIHUA HEAVY MACHINE +1
Manufacture process of passenger car bumper
InactiveCN103434465ASuitable for lightweight developmentHigh technical contentBumpersPunchingElectrophoresis
The invention discloses a manufacture process of a passenger car bumper. The manufacture process is characterized by comprising the following steps: A. material feeding; B. cropping; C. material storing; D. punching; E. transition swing bridge; F. guiding; G. rolling / roll bending formation; H. implementation of cutting off; I, joint welding; J. crator clearing; K. electrophoresis; and L. package. Passenger car bumper has high product technological content, is good in market price, light in weight, and suitable for the light weight development of the automobile industry and meanwhile coincides with the development concepts of safety, environmental protection and energy conservation in the automobile industry.
Owner:马严俊
Swing bridge for converting a rotary motion into an oscillating motion and use of same in an electrical device
The invention relates to a swing bridge for converting a rotary motion into an oscillating motion in an electrical device. The housing (1) of the electrical device holds a drive mechanism (2) that is powered by rotation with a drive shaft (3) and that has a crank or cam-type section (4) and at least one coupling element (15) of the swing bridge (7). The swing bridge (7) has at least one swing arm (16) by means of which the coupling point (15) is elastically connected to the oscillating body (9). The oscillating body (9) carries a working medium (11) to be powered by oscillations and has a coupling (6) for the crank or cam-type section (4) of the drive shaft (3). The coupling (6) is formed as a separate component which is connected to the oscillating body (9).
Owner:BRAUN AG
Mechanical anti-swing bridge crane for transferring and cleaning distillers' grains
ActiveCN114380195AEasy to cleanCleaned up mechanical anti-sway overhead crane, cleared by settingFood processingCleaning using toolsOverhead craneVinasse
A mechanical anti-swing bridge crane for transferring and cleaning distillers' grains in the field of special hoisting equipment for wineries comprises a cleaning device, a transferring tank and a bridge frame, the bridge frame comprises two main beams arranged side by side at intervals, and a middle trolley capable of moving and positioning along the main beams and two offset hanging trolleys are arranged between the two main beams and on the two outer sides of the two main beams respectively. The two deflected hanging trolleys are used for lifting the transfer tank, and the middle trolley lifts the cleaning device through a telescopic arm capable of vertically ascending and descending. The bridge crane is reasonable and simple in design, the stability and the positioning accuracy of all the devices in the moving process are improved, and the vinasse pool can be rapidly and cleanly cleaned.
Owner:HENAN WEIHUA HEAVY MACHINE
Reinforced concrete spherical hinge structure of swing bridge and manufacturing process thereof
InactiveCN102359064AOptimizing Partial ConstructionSimple processBridge structural detailsBridge erection/assemblyReinforced concreteRebar
The invention relates to a reinforced concrete spherical hinge structure of a swing bridge and a manufacturing process thereof. The reinforced concrete spherical hinge structure comprises an upper turntable used for supporting a rotating structure and a lower turntable of a basic connection body and is characterized in that an inverted conical structure formed by pouring the reinforced concrete is arranged at a lower side of the upper turntable, an upper grinding cover formed by pouring the reinforced concrete is coaxially arranged at a center of the lower end of the inverted conical structure, a lower grinding center matched with the upper grinding cover in a rotating positioning manner is arranged at an upper side of the lower turntable, and the lower grinding center is formed by pouring the reinforced concrete. The reinforced concrete spherical hinge structure of the swing bridge has the advantages of simple structure, low manufacturing cost, simple manufacturing process and convenience for installation.
Owner:中铁二十四局集团福建铁路建设有限公司
Multifunctional railway line-crossing swing bridge closure construction formwork and construction method thereof
ActiveCN106906750APrevent intrusionEasy to installBridge erection/assemblySpecial designFunctional requirement
The invention discloses a multifunctional railway line-crossing swing bridge closure construction formwork and a construction method thereof. The method comprises the following steps: (A) requiring special design and processing according to the function requirements; (B) before midspan closure construction, arranging a lateral steel form capable of transversely moving on running equipment, carrying out pin-connected fixing on the lateral steel form by using a limiting pin and arranging a walking tie rod before walking; (C) transporting a closure segment hanging bracket and the lateral steel form to a closure segment position by using walkable hoisting equipment; (D) dismantling a walking tie rod, removing the limiting pin and taking out a limiting stop block; (E) arranging the lateral steel form; (F) completing midspan closure concrete casting and maintenance, carrying out vertical demolding, applying horizontal action force to the lateral steel form and demolding in the horizontal direction; and (G) moving the lateral steel form to the design position, dismantling the lateral steel form and thus completing closure segment construction. The potential safety hazard of existing line-crossing closure construction can be effectively reduced and the construction efficiency is improved.
Owner:CCTEB INFRASTRUCTURE CONSTR CO LTD +1
Swing construction method for bridge and swing bridge system
InactiveCN108570938AFit closelyImprove securityBridge erection/assemblyEngineeringStructural engineering
The invention discloses a swing construction method for a bridge and a swing bridge system, and relates to the technical field of bridge swing. The method comprises the following steps: a pier swing main body and track beam stanchions are mounted on the ground respectively; a swing spherical hinge is mounted on the pier swing main body; steel box girders are hoisted on the swing spherical hinge, and multiple steel box girders extend and are welded to form a swing section; a support track is mounted on the track beam stanchions; a drive device is hoisted onto the support track, and a gear of the drive device is meshed with a rack of the support track; a front support is mouthed between the drive device and the swing section. Compared with the prior art, the swing construction method for thebridge adopts the steps of mounting the support track on the track beam stanchions and hoisting the drive device onto the support track, so that the swing bridge system which is close in coordination, firm, reliable, practical, efficient, high in safety and capable of swinging stably when the swing weight difference of two ends of the swing bridge is too large can be produced.
Owner:NO 2 ENG CO LTD OF CHINA RAILWAY CONSTR 11 BUREAU GRP +1
Mobile device balancing rocker arm mechanism
PendingCN110171265ARealize adaptive adjustmentReasonable structural designMechanical steering gearsInterconnection systemsMobile deviceSelf adaptive
The invention relates to a mobile device balancing rocker arm mechanism. The mobile device balancing rocker arm mechanism comprises a long arm, wherein the middle part of the long arm is connected with a vehicle body through a pin axle; two ends of the long arm are connected with short arms through spherical hinges, and the short arms are connected with swing bridges on both sides of a mobile device through spherical hinges; the swing bridges and wheels are oppositely fixed; the swing bridges are rotatably connected with corresponding wheel rotating shafts; the positions of the pair of short arms and the positions, connected with the swing bridges, are located at the same corresponding position, and a spacing is arranged between the position and the wheel rotating shafts. According to themobile device balancing rocker arm mechanism, the mobile device is enabled to adjust the vehicle body adaptively under the unbalanced and unstable conditions in the driving process, and the structuredesign is reasonable, ingenious and considerate.
Owner:洛阳履坦智能科技有限公司
Floating device of aerial work platform
ActiveCN113003501ASolve the problem of tippingFluid-pressure actuator safetySafety devices for lifting equipmentsHydraulic cylinderMarine engineering
The invention discloses a floating device of an aerial work platform. The floating device of the aerial work platform comprises a pressure oil source, a controller, a left floating device, a right floating device, a frame and a swing bridge, wherein the left floating device comprises a left hydraulic cylinder, a left balance valve and a left locking device, and the right floating device comprises a right hydraulic cylinder, a right balance valve and a right locking device; one end of the left hydraulic cylinder and one end of the right hydraulic cylinder are hinged to the frame; the swing bridge is hinged to the frame; and the other end of the left hydraulic cylinder and the other end of the right hydraulic cylinder are oppositely hinged to the two ends of the swing bridge. The left locking device and the right locking device form second-layer locking of the left hydraulic cylinder and the right hydraulic cylinder, it is guaranteed that an oil cylinder cannot slide, and the aerial work platform cannot tip over due to the sliding of the oil cylinder.
Owner:HUNAN SINOBOOM HEAVY IND
Narrow mine trackless vehicle power bogie and walking steering control system
The invention belongs to the technical field of auxiliary transportation equipment of underground coal mines, and discloses a narrow mine trackless vehicle power bogie and a walking steering control system. The bogie includes a slew frame, a frame, a swing frame, a swing bridge, a left vertical swing frame, a right vertical swing frame and four working oil cylinders; the left vertical swing frameand the right vertical swing frame are arranged on the two sides of a vehicle, the two ends of each of the left vertical swing frame and the right vertical swing frame are fixedly connected with two wheel fixing frames on one side of the vehicle through a connecting shaft in the vertical direction, the two ends of the swing bridge are provided with first rotating shafts penetrating through the left vertical swing frame and the right vertical swing frame, the swing frame is vertical to the swing bridge, one end of the swing frame is rotationally arranged at the middle portion of the swing bridge, and the other end of the swing frame is hinged to the frame through a second rotating shaft parallel to the swing bridge. A control system includes the bogie, a controller and a hydraulic system, the hydraulic system includes a load-sensitive full hydraulic steering gear, a two-position four-way flameproof solenoid valve, a three-position four-way flameproof solenoid valve and four non-proportionate diverting and collecting valves. The narrow mine trackless vehicle power bogie is small in width and high in flexibility.
Owner:TAIYUAN INST OF CHINA COAL TECH & ENG GROUP +1
Swing bridge for converting a rotary motion into an oscillating motion
The invention relates to a swing bridge for converting a rotary motion into an oscillating motion in an electrical device. The housing (1) of the electrical device holds a drive mechanism (2) that is powered by rotation with a drive shaft (3) and that has a crank or cam-type section (4) and at least one coupling element (15) of the swing bridge (7). The swing bridge (7) has at least one swing arm (16) by means of which the coupling point (15) is elastically connected to the oscillating body (9). The oscillating body (9) carries a working medium (11) to be powered by oscillations and has a coupling (6) for the crank or cam-type section (4) of the drive shaft (3). The coupling (6) is formed as a separate component which is connected to the oscillating body (9).
Owner:BRAUN AG
Hydraulic full-time floating control system and control method of boom type aerial work platform
PendingCN113683033ASolve the problem of high energy consumptionAddressing Offset WearSafety devices for lifting equipmentsFluid-pressure actuator testingData informationMachine
The invention discloses a hydraulic full-time floating control system and control method of a boom type aerial work platform. The hydraulic full-time floating control system comprises a chassis, an integral swing bridge assembly, a split type floating bridge assembly and a complete machine hydraulic system; the split type floating bridge assembly comprises a left side floating end and a right side floating end; a floating oil cylinder is arranged between the split type floating bridge assembly and the chassis; the floating oil cylinder communicates with the complete machine hydraulic system through a control valve assembly; a system controller assembly comprises a system controller and a sensor assembly; and the system controller controls the control valve assembly according to data information measured by the sensor assembly. The hydraulic full-time floating control system and control method have the beneficial effects that the problem that in the actual using process of the boom type aerial work platform, energy consumption of a full-time floating system is large is solved; a stable constant-pressure oil source matched with pressure is obtained from the complete machine hydraulic system, and the stability and operation comfort of a complete machine are improved; the walking contact area of the complete machine is increased, and the cross-country walking capacity of the complete machine is improved; and the control precision and system reliability of a floating control valve are improved.
Owner:JIANGSU LIUGONG MACHINERY
Swing self-resetting bridge bent with ductile replaceable tie beams and its installation method
InactiveCN104452566BRestoring the anti-seismic ability of the bent frameFree from earthquake damageBridge structural detailsBridge erection/assemblyPre stressShear force
The invention discloses a swing self-reset bridge bent frame with a ductility replaceable collar beam. The swing self-reset bridge bent frame with the ductility replaceable collar beam comprises a bridge foundation, a prefabricated cover beam and two prefabricated piers, wherein the prefabricated piers are arranged on the bridge foundation and used for supporting the left side and the right side of the prefabricated cover beam. The swing self-reset bridge bent frame with the ductility replaceable collar beam further comprises the replaceable collar beam transversely arranged between the two prefabricated piers. Unbonded prestress tendons are longitudinally arranged in the prefabricated piers. The two ends of each unbonded prestress tendon extend out of the upper end and the lower end of the corresponding prefabricated pier and are fixedly connected with the prefabricated cover beam and the bridge foundation respectively. The junction between each prefabricated pier and the prefabricated cover beam is provided with a shear key for connection, and is also provided with an energy dissipation longitudinal bar fixedly connected with the prefabricated pier and the prefabricated cover beam respectively. By the adoption of the technical scheme, the prefabricated parts are assembled rapidly, the overall structure is stable by means of the junctions, the replaceable collar beam and the unbonded prestress tendons, and the swing self-reset bridge bent frame has the swing and self-reset structural characteristic.
Owner:DALIAN MARITIME UNIVERSITY
Fabric cross-section stitching and cutting integrated device
ActiveCN110409067AAvoid Seam CuttingImprove work efficiencySewing-machine elementsEngineeringMechanical engineering
Owner:NANTONG UNIVERSITY
Vehicle connecting bridge device and pallet truck
PendingCN113320335APrevent sideslipImprove stabilityElectrical steeringMotor depositionDrive wheelElectric machinery
The invention discloses a vehicle connecting bridge device and a pallet truck. The vehicle connecting bridge device comprises a vehicle body; a connecting bridge frame which is arranged on the vehicle body, wherein the connecting bridge frame swings up and down with the central axis of the vehicle body as the axis, and driving wheels with steering and driving functions are symmetrically arranged on the two sides of the connecting bridge frame; a swing shaft is arranged on the central axis of the connecting bridge frame in a penetrating mode, the two ends of the swing shaft are connected with the vehicle body, and damping springs are arranged at the two ends of the connecting bridge. The connecting bridge frame is arranged on the vehicle body through the swing shaft to form a swing bridge structure, and when the vehicle runs to a road surface with poor road conditions, the swing bridge swings leftwards and rightwards to adapt to wheel surfaces so that the vehicle body part is kept balanced and stable, stress on the driving wheels on the two sides is uniformly distributed, excessive abrasion of the wheels is reduced, and the service life of the wheels is prolonged; meanwhile, the driving motor and the steering motor are arranged on the wheels on the two sides respectively so that the wheels on the two sides have independent driving and steering kinetic energy respectively.
Owner:BANYITONG SCI & TECH DEVING
Double-width decoiling automatic warehousing efficient intelligent combined cutting equipment
The invention provides double-width decoiling automatic warehousing efficient intelligent combined cutting equipment, and belongs to the field of plate cutting machines. The double-width decoiling automatic warehousing efficient intelligent combined cutting equipment is provided with a decoiler, the decoiler is connected to a material guiding leveling machine, the decoiler is used for unfolding materials and feeding the materials into the material guiding leveling machine through a feeding device installed on the material guiding leveling machine, the material guiding leveling machine is connected to a loop swing bridge, the loop swing bridge is connected to a plate cutting machine through a deviation rectifying device, a servo feeding device and a longitudinal cutting machine in sequence,and the plate cutting machine is connected to a fallen material stacking device through a feeding roller way and a material dividing roller way in sequence. According to the double-width decoiling automatic warehousing efficient intelligent combined cutting equipment, the yield strength is low, the cutting thickness range is wide, the machining precision is high, the longitudinal cutting width error is small, the plate flatness is high, and the occupied area is small.
Owner:SHANDONG JINGHONG INTELLIGENT TECH CO LTD
Amphibious bridge suitable for automobile loading, unloading and transportation
PendingCN112538815AOvercoming dry ditch barriersOvercoming river obstaclesWaterborne vesselsFloating bridgesVehicle frameVertical plane
The invention discloses an amphibious bridge suitable for automobile loading, unloading and transportation. The amphibious bridge comprises a bridge vehicle, a vehicle frame, a bridge body, a movableframe, an erecting frame, an erecting oil cylinder and a water propeller. The vehicle frame is fixedly mounted on the bridge vehicle and used for being transported through the bridge vehicle. The movable frame can be mounted on the vehicle frame in a reciprocating sliding mode in the length direction of the bridge vehicle. The bottom of the erecting frame is hinged to the tail of the movable frame, and the erecting oil cylinder is hinged between the top of the erecting frame and the movable frame and used for driving the erecting frame to swing in the vertical plane. The bridge body is provided with the water propeller, can be supported on the top of the movable frame and the top of the erecting frame in a reciprocating mode in the length direction of the bridge vehicle, and has a folded state and an erected state. According to the amphibious bridge, a land dry ditch bridge and an overwater ferry are combined into a whole, so that not only can dry ditch obstacles be overcome on land, but also river obstacles can be overcome on the water surface, and the dual requirements that materials and equipment smoothly pass through the amphibious obstacles are met.
Owner:CHINA HARZONE IND CORP
Small car parking robot
The invention discloses a small car parking robot which comprises a base body, a first clamping rod and a second clamping rod, wherein a driving reduction motor is arranged in the base body, an outputshaft of the driving reduction motor is fixedly connected with a driving chain wheel, and the driving chain wheel is connected with a driven chain wheel through chain transmission; a first lead screwand a second lead screw are arranged in the base body, and the first lead screw and the second lead screw are fixedly connected with the two ends of a transition connecting rod; the first clamping rod and the second clamping rod are both fixedly connected with lead screw nuts through bolts, and casters are installed on the lower surfaces of the first clamping rod and the second clamping rod; anda differential drive device is arranged below the base body, and a battery module and a control device are arranged in the base body. According to the small car parking robot, the defects of the priorart are overcome, and the small car parking robot can be well applied to parking in places with narrow space; the structure is small, the cost is low, single person can operate; a differential wheeladopts a swing bridge design, the adaptability is good, and the requirements on the garage terrain environment is reduced.
Owner:上海汇聚自动化科技有限公司
Narrow mine trackless vehicle power bogie and travel steering control system
The invention belongs to the technical field of auxiliary transportation equipment of underground coal mines, and discloses a narrow mine trackless vehicle power bogie and a walking steering control system. The bogie includes a slew frame, a frame, a swing frame, a swing bridge, a left vertical swing frame, a right vertical swing frame and four working oil cylinders; the left vertical swing frameand the right vertical swing frame are arranged on the two sides of a vehicle, the two ends of each of the left vertical swing frame and the right vertical swing frame are fixedly connected with two wheel fixing frames on one side of the vehicle through a connecting shaft in the vertical direction, the two ends of the swing bridge are provided with first rotating shafts penetrating through the left vertical swing frame and the right vertical swing frame, the swing frame is vertical to the swing bridge, one end of the swing frame is rotationally arranged at the middle portion of the swing bridge, and the other end of the swing frame is hinged to the frame through a second rotating shaft parallel to the swing bridge. A control system includes the bogie, a controller and a hydraulic system, the hydraulic system includes a load-sensitive full hydraulic steering gear, a two-position four-way flameproof solenoid valve, a three-position four-way flameproof solenoid valve and four non-proportionate diverting and collecting valves. The narrow mine trackless vehicle power bogie is small in width and high in flexibility.
Owner:TAIYUAN INST OF CHINA COAL TECH & ENG GROUP +1
Precise and automatic longitudinal slitting equipment
InactiveCN103639699AHigh precisionGuaranteed flatnessAutomatic control devicesShearing machinesHydraulic cylinderElectric machinery
Owner:SICHUAN GALAXY STEEL STRUCTURE ENG
Transfer mechanism, blade root transferring trolley, blade tip transferring trolley and blade transfer system
ActiveCN113027694ALevel effectLevel does not affectWind energy generationWind motor transportStructural engineeringTransfer mechanism
The invention discloses a transfer mechanism, a blade root transferring trolley, a blade tip transferring trolley and a blade transfer system. The transfer mechanism comprises a transfer base frame, a bearing structure, rolling wheel assemblies, buffer assemblies and a swing bridge assembly. The bearing structure is provided with mounting portions which are arranged towards one side of the transfer base frame. The rolling wheel assemblies are provided with rolling wheel parts and rolling wheel drivers, the rolling wheel drivers are mounted on the transfer base frame, and the rolling wheel parts are driven by the rolling wheel drivers to rotate relative to the transfer base frame. Each buffer assembly is provided with at least one bias part, and one end of each bias part is mounted on the transfer base frame. The swing bridge assembly and the mounting portions rotate in a pivoted manner. The swing arm assembly is provided with a swing structure, and the swing structure is connected with the other ends, opposite to the transfer base frame, of the bias parts. According to the blade transfer system adopting the transfer mechanism of the structure, trafficability can be greatly improved, and the problem that the contact face of blades is worn due to wall face hard impact is solved.
Owner:SINOMATECH WIND POWER BLADE +1
Sand and gravel screening device for swing bridge construction
ActiveCN111701841BConvenient classification and loading and unloadingSave human effortSievingScreeningStructural engineeringMechanical drive
The invention discloses a sand and gravel screening device for swinging bridge construction, which comprises a support, a top slide bar, a connecting pipe and a stirring bar. A delivery pipe is fixedly installed on the outer surface of the support. The groove and the delivery pipe are connected to each other, the side slide bar is fixedly installed with the inner side of the support, the inner side of the support is connected to the vibration plate through the vibration spring, and the connecting pipe is fixedly installed at the middle position of the lower end of the delivery pipe. The inside of the drive rod is reserved with an internal chute, the outside of the limit block is connected to the drive rod through a telescopic rod, the screen is fixedly installed inside the lower surface of the screening frame, and the outside of the push rod is connected to There is a drum. The sand and gravel screening device for swing bridge construction adopts a new structural design, which makes the device convenient for sorting and loading sand and gravel through the mechanical transmission mechanism, which is relatively labor-saving to use, and the device is equipped with an anti-clogging mechanism to keep processing fluency.
Owner:建始县长盛砂石料有限责任公司
Multi-damping system for segment-assembled swing pier
ActiveCN113322797ANo increase in construction difficultyEngineering feasibilityBridge structural detailsClimate change adaptationT-beamPre stress
The invention discloses a multi-damping system for a segment-assembled swing pier. The multi-damping system comprises an upper structure, inhaul cable damping supports, cover beams, the segment assembly bridge piers, angle steel dampers, unbonded prestressed cables, a bearing platform and groove shear keys. The upper structure is supported on the cover beam through the inhaul cable damping support; the interiors of the bridge pier sections are connected through groove shear keys, the exteriors of the bridge pier sections are connected through connecting cover plates, and the section assembled bridge piers, the cover beam and the bearing platform are connected into a whole through unbonded prestressed cables; the tops of the piers are connected with the bent cap through angle steel dampers, and the bottoms of the piers are connected with the bearing platform through angle steel dampers. A shock absorption and isolation system and a swing system are combined and applied to the segment assembly bridge pier, the multiple shock absorption construction mode of the swing bridge pier is provided, the multi-damping system is suitable for main beam forms such as an assembly type T beam, a small box beam and an overall box beam, the working performance in the normal use state can be guaranteed, and the earthquake internal force response of the bridge pier is effectively reduced. And a self-resetting function is realized.
Owner:TONGJI UNIV +1
An electrical control system for a laminated multi-head multi-combination grinding and polishing machine
The present invention is an electrical control system for a multi-head and multi-combination grinding and polishing machine, including an operating platform, a PLC command and control center, a belt drum / swing bridge operating device, and a multi-head and multi-combination grinding head general process device; wherein the PLC command and control center Through the built-in COM3 RS-485 communication port and the operating platform, the PLC command center also forms a master-slave communication mode between the built-in COM2 RS-485 communication port and the belt roller / swing bridge operating device. After information, data transmission, exchange, calculation, and processing, the system software-running program is integrated into a system PLC command and control center, and the stacked multi-head and multi-combination grinding head general process device is operated by instructions issued by the PLC command and control center . The invention has wide application range, high grinding precision, high efficiency, simple and smooth operation.
Owner:泉州华大超硬工具科技有限公司
High-precision omnidirectional heavy-load mobile robot
PendingCN114194311AImprove rigidityImprove stabilityVehicle fittings for liftingMotor depositionIn vehicleControl system
The invention belongs to the technical field of intelligent manufacturing of aerospace and the like, and particularly relates to a high-precision omnidirectional heavy-load mobile robot. The vehicle comprises a vehicle body module, a vehicle-mounted control system, a safety protection system, a power supply system, a laser Slam radar navigation module, a Mecanum wheel driving module, a swing bridge module, a jacking module and a secondary positioning module. The positioning precision is high after the robot runs to a station, pose errors caused by wheel abrasion and elastic deformation are avoided, and a high-rigidity and high-stability platform is provided for an industrial mechanical arm.
Owner:无锡黎曼机器人科技有限公司 +1
Plug-in type swinging pier
ActiveCN113005887AGuaranteed stiffnessGuarantees the rigidity of the pier itselfBridge structural detailsArchitectural engineeringPier
The invention discloses a plug-in type swing bridge pier, and belongs to the technical field of assembly type bridges. The plug-in type swing bridge pier comprises a bridge pier body and a bearing platform; the center of the bearing platform is provided with a sinking groove used for installing the bridge pier body, and a plurality of first damping devices are arranged between the sinking groove and the bridge pier body around the outer side of the bridge pier body; a plurality of second damping devices are further arranged between the pier body and the bottom of the sinking groove. Each second damping device comprises a first shell and a corrugated plate, a plurality of notches are formed in the bottom of the bridge pier body and annularly and evenly distributed in the circumferential direction of the bridge pier body, and an inserting hole is formed in the end face of each notch. The bridge pier is convenient to construct, good in energy consumption and self-resetting effect and capable of achieving the effective damping effect.
Owner:河北振创电子科技有限公司
Anti-swing control method and system for three-dimensional double-swing bridge crane
ActiveCN113955637AImprove operational efficiencyPrecise positioningLoad-engaging elementsAdaptive controlDynamic modelsState observer
The invention belongs to the technical field of anti-swing of bridge cranes, and discloses an anti-swing control method and system for a three-dimensional double-swing bridge crane. The method comprises the steps: building a three-dimensional double-swing bridge crane dynamic model according to a Lagrange equation; designing a state observer; establishing a differential tracker; and designing a sliding mode controller. According to the method, corresponding theoretical analysis is carried out based on the state observer, the feasibility and effectiveness of the method are fully verified through a large number of numerical simulation experiments, and the operation efficiency of the three-dimensional bridge crane with the double-pendulum effect is further improved; and meanwhile, the state observer and sliding mode control are combined in the control method, so that the method is high in robustness and adaptability and insensitive to model parameters. Therefore, when system parameters are changed, the method can still achieve a good anti-swing control effect.
Owner:WUHAN UNIV OF SCI & TECH
Construction method of low-clearance swivel bridge spanning operation line
ActiveCN108589556BGuaranteed installation accuracyReduce tractionBridge erection/assemblyPositioning technologySwing bridge
Owner:CHINA RAILWAY 23RD CONSTR BUREAU LTD +1
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