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92 results about "Extreme position" patented technology

Hybrid Anti-falling beam device and use method therefor

Disclosed in the present invention are a hybrid anti-falling beam device and a use method therefor. The anti-falling beam device comprises: a first connecting member, a second connecting member, a limiting component and an energy dissipation component, wherein the first connecting member is fixedly arranged on one side of a bridge pier; the second connecting member is fixedly arranged at the bottom end of an upper structure of a bridge; and the limiting component and the energy dissipation component are each connected to the first connecting member and the second connecting member by means of a first pin and a second pin, respectively. The limiting component and the energy dissipation component are arranged at suitable positions of the bridge by means of the first connecting member and the second connecting member. Moreover, when encountering small and medium-level earthquakes, the first connecting member and the second connecting member move relative to each other, such that internal components of the energy dissipation component rotate relative to each other to dissipate seismic vibration energy; and when encountering a large-level earthquake, the energy dissipation component moves to an extreme position in the limiting component, and the limiting component provides an extreme bearing capacity, thereby further achieving the function of preventing a beam from falling.
Owner:CCCC HIGHWAY BRIDGES NATIONAL ENGINEERING RESEARCH CENTRE CO LTD

Knob type locking buckle

A knob type locking buckle comprises a middle shaft sleeve, a clamping groove end piece and a clamp end piece, the clamping groove end piece and the clamp end piece are correspondingly arranged at the two ends of the middle shaft sleeve respectively and inserted into the middle shaft sleeve to be in butt joint with a lock catch, a clamping groove is formed in the end of the clamping groove end piece, a spirally-coiled sliding groove is formed in the circumferential wall of the clamping groove end piece, and a protruding column corresponding to the spirally-coiled sliding groove is arranged on the inner wall of the middle shaft sleeve. When the clamping groove end piece is inserted into the middle shaft sleeve, the protruding column on the inner wall of the middle shaft sleeve is clamped into the sliding groove to limit the limiting position where the clamping groove end piece extends out of the middle shaft sleeve to be exposed out of the clamping groove and retreat from the middle shaft sleeve, and the end, facing the middle shaft sleeve, of the clamp end piece is provided with a clamping end structure clamped into the clamping groove. According to the knob type locking buckle disclosed by the utility model, the clamping groove end piece can be switched between two different states of exposing the clamping groove part and folding and shielding the clamping groove part through the rotary progressive sliding groove and the bulge structure, so that the matched clip end piece is clamped into the clamping groove to realize opening and closing of a jewelry rope chain, and the knob type locking buckle is simple in structure and convenient to use. Fatigue failure is effectively prevented, and connection is stable and reliable. And the product quality and the use experience are improved.
Owner:深圳市华悦珠宝科技有限公司

OBJECT SUPPORT DEVICE WITH AN ELECTRICALLY ROTATED ARM AROUND AT LEAST ONE DIRECTION, FOR EQUIPMENT

ActiveFR3159576B1DashboardsExtreme positionElectrical mechanism
A support device (SD) equips a piece of equipment and comprises: - an arm (BE) having a first end (E1) rotationally coupled to a base (ED) and a second end (E2) adapted to receive an object, and - a first electrical mechanism (M1) adapted to translate relative to the base (ED), along a first direction, a support piece (PS) supporting an intermediate part (PI) of the arm (BE) at least in certain positions of the latter, to rotate the arm (BE) around a second direction, perpendicular to the first direction, between first and second extreme positions. Figure 2
Owner:STELLANTIS AUTO SAS +2

Device for detecting the position of a mobile part, and associated method and aircraft

This device for detecting the position of a movable piece able to move between a first extreme position, a second extreme position and at least one intermediate position, comprises a fixed antenna and a plurality of radio-frequency identification tags arranged along the path of the movable piece between said extreme and intermediate positions, the device further comprising a mechanical contactor configured to establish an electrical connection between the antenna and a unique combination of at least one radio-frequency identification tag for each position of the movable piece.
Owner:SAFRAN NACELLES

A robotic arm gripper comprising pads subjected to elastic stress relative to jaws, and a method for contamination control by smearing using such a gripper.

A gripping gripper (30), particularly suitable for controlling contamination of a surface (112) by smear, comprises: a gripper body (22); a mechanical interface (18) for its connection to a modular effector (16) of a robotic arm (12); two jaws (24); a transmission mechanism (26) for connecting the jaws (24) to the gripper body (22) and converting commands from the mechanical interface (18) into movements of the jaws (24) between a mutually separating configuration and a mutually approaching configuration; two pads (32, 34) mounted on the jaws (24) by means of support mechanisms (38) configured to allow movement of the pads (32, 34) relative to the jaws (24) along trajectories parallel to each other, independently of the position of the jaws (24);and elastic return means (36) configured to stress each of the pads (32, 34) towards an extreme position on its trajectory, on the same side. Figure for the abbreviation: Figure 7;
Owner:ORANO RECYCLAGE

Magnetic actuator

The invention relates to a magnetic actuator (1) comprising: - a magnetic core (2), - a pilot coil (4), and - a housing (5), configured to form with at least the magnetic core (2) at least one magnetic circuit (6). This magnetic actuator (1) is particular in that the housing (5) has a movable section (7) that can be placed: - either in a closed position, in which the magnetic flux generated by the pilot coil (4) can be used to control the position of the magnetic core (2), - or in an open position, in which the magnetic core (2) is attracted and held in one of its extreme positions. The invention also relates to a method for disengaging a magnetic actuator (1) according to the invention, and an electrical disconnect device (12) incorporating a magnetic actuator (1) according to the invention. Figure for the abstract: Fig 5
Owner:SOCOMEC SPA

Brewing device for a beverage maker and beverage maker having such a brewing device

PCT designated stageWO2026153893A1Extreme positionBrewing
The invention relates to a brewing device (10) for a beverage maker, comprising a plurality of process stations (30, 40, 50) each at a different location, and a volume-variable transfer container (20) which can be moved into an upper and a lower extreme position and which can be moved relative to the process station (30, 40, 50), wherein the transfer container (20) can be filled with an extraction powder (34) at a first and / or a second process station (30, 40), can be filled with a fluid at the first and / or the second process station (30, 40), and wherein an ejection device (52) for removing the used extraction powder (34) is arranged at the second and / or a third process station (40, 50). The invention further relates to a beverage maker having such a brewing device (10).
Owner:WMF GROUP GMBH

Sterilization cabinet reinforcing assembly easy to combine

The utility model relates to the technical field of sterilization equipment components, in particular to an easy-to-combine sterilization cabinet reinforcing component. According to the technical scheme, the protective device comprises a main body supporting and stabilizing seat, an integrally-formed arc-shaped combined limiting and protecting plate is arranged at the lower end of the main body supporting and stabilizing seat, an opening of an arc-shaped structure of the combined limiting and protecting plate faces upwards, and an integrally-formed mounting and matching connecting seat is arranged on the right side of the lower end of the main body supporting and stabilizing seat; a combined supporting stabilizing groove is formed in the lower end of the rear side of the installation matching connecting base, and a main body installation avoiding groove completely penetrating through the upper portion, the lower portion and the right side is formed in the position, close to the front side, of the upper end of the installation matching connecting base. The utility model has the advantages that: when in use, the combined connection is carried out in a clamping way, and the limiting protection matching is carried out through the arc-shaped structure at the bottom position during the installation, so that the tightness and the stability of the whole installation position are better, and the structure at the matching position can be better protected.
Owner:SUZHOU LONGXING MASCH TECH CO LTD

Linear position calibration method and apparatus for a remote control panel

The application discloses a linear position calibration method of a remote controller panel, which is used for calibrating the calibration positions of analog handles and knobs of the remote controller panel, and comprises the following steps: collecting the AD value of the handle in the middle position in the initial state, and locking the calibration position of the handle in the middle position; collecting the maximum value and the minimum value of the handle in the limit position, and locking the limit position of the handle; revising the AD value of the calibration position, the maximum value and the minimum value of the limit position; calculating the output value of the handle in the middle position and the limit position; collecting the small end interval and the large end interval of the knob, and obtaining the extreme position and the middle linear interval of the knob; revising the limit AD value of the knob in the extreme position; and calculating the output value of the knob in the extreme position. Each handle and knob only needs to be manually operated once to realize calibration, so as to calibrate the middle position and the limit position of the handle and the extreme position of the knob respectively, thereby guaranteeing the stable and accurate data in the limit position and the middle position, and realizing self-calibration of the handle and the knob.
Owner:XIAN DUSAI INTELLIGENT TECH CO LTD

Anti-siphon and anti-backflow pressure reducing valve

The utility model discloses an anti-siphon anti-backflow pressure reducing valve, which belongs to the technical field of pressure reducing valves and comprises a valve body, a water inlet channel shell, a movable seat and a valve core component, the water inlet channel shell is mounted at a water inlet of the valve body, one end of the water inlet channel shell is positioned inside the valve body, the other end of the water inlet channel shell is positioned outside the valve body, and the movable seat comprises a connecting part and a limiting part. The connecting part is movably connected to the outer side of the water inlet channel shell in a sleeving mode, the connecting part is sleeved with a pressure reducing spring, the end, away from the water inlet channel shell, of the movable seat is connected with a valve element assembly, the valve element assembly comprises a one-way valve rod, a spring and a first sealing ring, and the end of the one-way valve rod is connected to a water outlet of the water inlet channel shell; the one-way valve rod is sleeved with the spring. The one-way valve assembly is arranged in the pressure reducing valve, backflow and siphoning can be prevented, water source pollution caused by backflow is avoided, the stroke of the movable seat of the pressure reducing valve is limited, the movable seat is prevented from moving to an extreme position, and normal passing of water flow is guaranteed.
Owner:FUZHOU JINGTENG SEIKO RUBBER & PLASTIC PROD CO LTD

Solenoid valve

The utility model provides an electromagnetic valve, which comprises a main valve body component, a main valve body component, a main valve body component, an electromagnetic valve component and a control component, and the main valve body component comprises a valve cavity and a main valve port which are communicated with each other, and the main valve port is arranged at one end of the valve cavity; the piston component is movably arranged in the valve cavity, the piston component is provided with a first end and a second end which are oppositely arranged in the moving direction, and the first end of the piston component is used for blocking or separating from the main valve port; the first buffer part is arranged on the main valve body part, and the first buffer part is arranged close to the second end of the piston part; after the first end of the piston component is separated from the main valve port, the piston component moves to the second end to abut against the first buffering part so as to buffer movement of the piston component. According to the scheme, the problem that in the prior art, when the piston component moves to the limiting position away from the main valve port, the end, away from the main valve port, of the piston component collides with the valve body component, and noise and vibration are generated can be solved.
Owner:ZHEJIANG DUNAN MASCH CO LTD

A louvered blind

The utility model discloses a louver roller, including roller, drive arrangement, a plurality of curtain piece, lift pull rope, light control pull rope, light control axle and light control support, lift pull rope one end is fixed on the roller, and the other end is fixed after passing a plurality of curtain piece in proper order with the lowest curtain piece, drive arrangement drives the rotation of roller, light control axle and light control support are set on the roller, light control pull rope both ends are connected with the both sides of a plurality of curtain piece in proper order and form the ladder band, and both ends are connected with light control axle, the roller drives light control axle rotation, when light control axle rotates to the extreme position, light control support prevents light control axle rotation. The utility model discloses when the curtain piece lifting can carry out light control simultaneously, sets up light control support to limit the extreme rotation position of light control axle, prevents the friction between light control pull rope and light control axle, prevents excessive rotation simultaneously and causes light control pull rope or curtain piece damage, has promoted product life.
Owner:CHANGZHOU YOOKSMART INNOVATION CO LTD

Robot beam arm applied to pier and abutment corner construction

A robot beam arm applied to abutment corner construction comprises a first sliding unit and a second sliding unit, the two sliding units comprise two bearing platforms moving along two sliding rails respectively, and clamping jaws are fixed to the two bearing platforms respectively; each clamping jaw comprises a supporting frame and a fixing frame which are hinged to each other, so that one end of each supporting frame and one end of each fixing frame can be close to or away from each other, the supporting frames and the fixing frames of the clamping jaws surround to form connecting areas or are opened to form openings, and when the two bearing platforms are close to each other to limit positions, the projection ranges of the connecting areas of the two clamping jaws are overlapped. The sliding rails which are rotationally connected are adopted, so that the motion path can adapt to the corner of the abutment, through the clamping jaws on the two bearing platforms, a working part clamped in the process that the two bearing platforms are close to each other can be connected with the two bearing platforms, and therefore the construction motion path is rapidly changed, and construction is conducted on the corner of the abutment.
Owner:NO 5 ENGINEERING COMPANY LTD OF CCCC FIRST HARBOR ENGINEERING COMPANY LTD +2

Timepiece movement escapement, return component for timepiece escapements, timepiece movement and timepiece comprising such a movement

A return member for a balance wheel of a timepiece, replacing a spiral spring. This return member includes a rake provided with a toothed sector arranged to work together with a balance wheel pinion. The rake has an axis of rotation allowing it to move between two extreme positions, called working positions, separated by a rest position. The return member also has two springs arranged to press the rake towards its rest position. Each spring is made up of an elastic blade arranged to store energy, then to return it to the rake. Each elastic blade works alternately so that they never work simultaneously. The return member may be in an escapement, a clockwork movement or a timepiece comprising such a movement.
Owner:CALABRESE VINCENT

Operating platform for cutting automobile longitudinal beam

The utility model discloses an automobile longitudinal beam cutting operation platform which comprises a workbench, the top of the workbench is fixedly connected with cutting equipment, pressing plates are arranged on the front side and the rear side of the top of the workbench, lifting rods are fixedly connected to the two sides of the bottoms of the pressing plates, and the bottoms of the lifting rods penetrate to the bottom of the workbench. The bottom of the lifting rod is fixedly connected with a lifting plate, and the top of the lifting plate is fixedly connected with a control mechanism. The motor drives the control wheel to rotate by 180 degrees, the control wheel loses downward pressure on the push rod after rotating, the lifting plate is driven to move upwards through cooperation of the tension spring, the lifting plate drives the push rod and the lifting rod to move upwards, the lifting rod drives the pressing plate to move upwards, and after the pressing plate moves upwards to the limit position, the pressing plate is opened. When the pressing plate is pressed downwards, the control wheel is rotated again, and the operation platform fixing device can achieve rapid positioning and has an efficient positioning mechanism.
Owner:QINGDAO WEILIDA STEEL PROCESSING & DISTRIBUTION CO LTD

Actuation device and transmission system of a vehicle

The present invention relates to an assembly comprising an actuation device (100) and a transmission system (200) of a motor vehicle. The actuation device (100) comprises an actuation housing (10), an electric motor (11), a drive shaft (19) rotating about a Y-axis, a torque output element (50), and a reduction mechanism (20) disposed between the drive shaft (19) and the torque output element (50). The transmission system (200) comprises a transmission housing (60), a sliding sleeve (80) axially movable between two extreme positions about an X-axis substantially perpendicular to the Y-axis, and a receiving housing (81) for the torque output element (50). The reduction mechanism (20) of the actuation device (100) comprises a drive pinion (23) rotationally connected to the drive shaft (19), and a first gear (30) which permanently meshes with the drive pinion (23) and the torque output element (50),a second toothed wheel (40) which permanently meshes with the drive pinion (23) and the torque output element (50). Figure for the abbreviation: Figure 1,
Owner:VALEO EMBRAYAGES SAS

robotic arms and robots

This application provides a robotic hand and a robot, relating to the field of robotics technology, to solve the problem of limited grip width in robotic hands. The robotic hand includes a first, second, and third finger and a mounting base; the first finger has a first root phalanx, the second finger has a second root phalanx, and the third finger has a third root phalanx; the second and third root phalanxes are arranged side-by-side and fixedly connected to the mounting base; the first finger can flip and switch between a first and a second extreme position; in the first extreme position, the first, second, and third root phalanxes are arranged side-by-side; in the second extreme position, the first root phalanx is at least partially outside the area directly opposite the second and third root phalanxes, and the first finger is configured such that its fingertip contact surface can contact a local area of ​​the fingertip contact surface of the second finger that is biased towards the fingertip contact surface of the third finger. This can increase the grip width of the robotic hand.
Owner:DAHUAN ROBOTICS TECHNOLOGY CO LTD

Disc with pin rods

The utility model discloses a disc with pin rods, which comprises a disc, and a plurality of groups of pin rod components are detachably mounted on the disc. The pin rod assembly comprises a pin rod body, a positioning block is arranged at the upper end of the pin rod body, a connecting screw rod is installed at the upper end of the positioning block, a mounting hole is formed in the disc, a positioning groove is formed in the position, corresponding to the mounting hole, of the lower end of the disc, and the positioning block is inserted into the positioning groove. According to the grinding device, the structure is reasonable, the grinding effect can be effectively improved, the grinding efficiency can be improved, and therefore the use requirement can be better met.
Owner:CHANGZHOU LIAEBO MECHANICAL EQUIP TECH CO LTD

Cloth winding and conveying table

The application discloses a cloth winding conveying table and belongs to the cloth conveying equipment field. The cloth winding conveying table comprises a base and a conveying platform. The conveying platform is slidably connected to the base, and the extreme positions of the two ends of the conveying platform can be slid to the extreme positions of the two ends of the base. The base is provided with a driving device for driving the conveying platform to slide on the base. The driving device drives the conveying platform to slide on the base, and the extreme position of the left end of the conveying platform can be slid to the extreme position of the right end of the base, and the extreme position of the right end of the conveying platform can be slid to the extreme position of the left end of the base. Therefore, the conveying distance of the cloth winding can be twice the length of the conveying platform plus the length of the base, that is, the conveying distance of the cloth winding conveying table can be at least twice the length of the cloth winding conveying table, so that the conveying distance of the cloth winding conveying table is greatly improved. Meanwhile, the cloth winding conveying table can also realize intermittent conveying operation, and has the advantages of small occupied area and wide applicability.
Owner:JACK SEWING MASCH CO LTD

Locking mechanism for unfolded flexible solar wing

The utility model discloses a locking mechanism used after a flexible solar wing is unfolded, and belongs to the technical field of locking mechanisms. Comprising a rod piece, a crank is arranged on the side wall of the rod piece, a locking assembly is arranged in the crank, a first connecting hole is formed in the top of the side wall of the rod piece, a second connecting hole is formed in the top of the side wall of the crank, a through hole is formed in the bottom of the side wall of the rod piece, and a driving assembly is arranged on the circumferential inner wall of the through hole. In the rotating process of the rod piece, the rod piece extrudes the round head to enable the sliding block to move inwards, and when the rod piece reaches the limiting position, the sliding block is driven to move outwards through resilience force of the spring, so that the round head enters the locking groove and is used for locking a locking mechanism after the flexible solar wing is unfolded, stability is improved, and the situation that the using effect is affected due to contraction of the solar wing is prevented; the driving assembly drives the rod piece to rotate, and use is convenient. The solar wing is stable enough after being unfolded, is not easy to contract, is convenient to use, and saves labor.
Owner:深圳市魔方卫星科技有限公司

Folding baby carriage with synchronous unlocking mechanism

The utility model belongs to the technical field of baby carriages, and particularly relates to a folding baby carriage with a synchronous unlocking mechanism. Comprising a frame body, a seat assembly, a backrest assembly hinged to the seat assembly, a mounting seat rotationally connected to the frame body and used for being connected with the seat assembly and an unlocking mechanism arranged in the backrest assembly, and the unlocking mechanism is used for limiting rotation of the mounting seat relative to the frame body. And when the backrest assembly is folded to a limit position in the direction close to the seat assembly, limitation on rotation of the mounting seat relative to the frame main body is relieved. When the backrest assembly is folded to the limit position in the direction of the seat, the unlocking mechanism synchronously relieves rotation limitation on the mounting seat, a user only needs to complete the folding action of the backrest assembly to synchronously complete unlocking of the seat assembly, and then the seat and the backrest rotate downwards to fall down under the action of self weight to complete folding. And the complexity caused by multi-key operation is eliminated.
Owner:ZHONGSHAN TECHKIDS BABY PROD CO LTD

Air vents for a motor vehicle

An air outlet (10) for a motor vehicle is provided, comprising a first air duct (12) opening into the interior of the motor vehicle via a first outlet opening (18), a second air duct (20) opening into the interior of the motor vehicle via a second outlet opening (20), and a distribution flap (28) for dividing an airflow between the first air duct (12) and the second air duct (14), wherein the first air duct (12) has two or more first partial air ducts (30) that can be supplied with air via a first air guide arrangement (34), and / or the second air duct (14) has two or more second partial air ducts (32) that can be supplied with air via a second air guide arrangement (36), wherein at least one partial air duct (30, 32) has a recirculation area (42) for the supplied air downstream of the associated air guide arrangement (34, 36), at least in one extreme position of the associated air guide arrangement (34, 36). trains.The recirculation area (42) deliberately provided in the partial air duct (30, 32) allows for a wide range of adjustment of the flow direction of an airflow originating from an air outlet (10).
Owner:DR ING H C F PORSCHE AG

Automatic drilling machine device

The utility model discloses an automatic drilling machine device which comprises a bottom plate, stand columns are fixedly arranged at the four corners of the upper end of the bottom plate, a top plate is fixedly arranged at the upper ends of the stand columns, an empty groove is formed in the center of the bottom plate, a recycling part is arranged at the position, corresponding to the empty groove, of the lower end of the bottom plate, and positioning parts are arranged on the four edges of the upper end of the bottom plate. Clamping parts are movably arranged between the bottom plate and the two sides of the top plate, a first air cylinder structure is fixedly arranged in the center of the upper end of the top plate, the output end of the first air cylinder structure penetrates through the top plate to be fixedly connected with a motor box, a first motor is fixedly arranged in the motor box, and the output end of the first motor penetrates through the motor box to be fixedly connected with a drill column; the drilling positioning can be accurately realized, the drilling efficiency is high, and chippings are more convenient to clean.
Owner:WENZHOU BAIMA PRECISION MASCH TECH CO LTD

Electromechanical actuator

The present invention relates to an electromechanical actuator (1) comprising an electric motor (2) acting on a torque output element (6) adapted to be coupled with a moving part of a vehicle's transmission. The torque output element (6) is configured to rotate about its axis of rotation between a first extreme position and a second extreme position defining an actuation range. The torque output element (6) is connected to the electric motor (2) by drive means (4, 5) comprising a first gear (4) and a second gear (5). The actuator (1) further comprises an electronic board (10). The electronic board (10) includes a sensor (12) facing a magnet (15) mounted on a third gear (11), said third gear (11) meshing with the second gear (5). (See Figure 1 for abbreviations.)
Owner:VALEO EMBRAYAGES SAS

Simulation method of train driver controller, medium and electronic equipment

The invention provides a simulation method of a train driver controller, a medium and electronic equipment, which can determine a key state to be activated and display a key activation state primitive when the movement information of a cursor meets a key activation rule, and display the key activation state primitive if the movement information meets a mode / direction handle gear setting rule. Determining the handle setting state of the mode / direction control device as a first gear and displaying a corresponding state primitive, and if the current position of the cursor is located in the traction / brake handle pole position area, determining the handle setting state of the traction / brake control device as a first pole position and displaying a corresponding state primitive, therefore, the simulation of the train driver controller is realized through the user interface, the appearance of the simulated train driver controller is constructed by using the primitives taken from the real object photos, the appearance authenticity is better, the positions of all parts of the simulated driver controller are accurately controlled through a software program, the action sensitivity is high, and the operation of a mouse and the like is supported; the method is suitable for various scenes such as indoor simulation testing, dispatching operation training and driving operation training.
Owner:SHANGHAI FUXIN INTELLIGENT TRANSPORTATION SOLUTIONS

An automated container terminal lane division method

The application discloses an automatic container wharf operation lane division method, considers the division of AGV vertical buffer lane in and out of the lane, the division of AGV high-speed lane behind the bridge crane is also a key factor influencing the communication efficiency of the AGV, and divides the bridge crane groups according to the position and state of the bridge crane, the current operation type of the bridge crane, the available situation of the vertical buffer area, the spacing between adjacent bridge cranes and other factors, on the basis of dividing the bridge crane groups, according to the preset number of in and out bridge crane vertical buffer areas, the current available number of vertical buffer areas, the length and width of the AGV body and other information, comprehensively considers the balanced distribution operation of the bridge crane, the shoulder-to-shoulder operation of the bridge crane, the extreme position operation of the bridge crane and other working conditions, dynamically divides the operation lane under each bridge crane and the vertical buffer area range of the AGV in and out of each bridge crane, so that the AGV efficiently passes through the buffer area and the bridge crane performs the handover box operation, path congestion is avoided, and the efficiency of the shore loading and unloading is improved.
Owner:QINGDAO PORT INT CO LTD +1

Device and method for automatically measuring waggling amount of folding rudder

The invention discloses an automatic measurement device and method for the swaying amount of a folded rudder. The method comprises the steps that a pressure measurement system controls the jacking force during measurement; the displacement measuring system records the shaking amount of the folding rudder 1 between the two limit positions; the driving system drives the sliding block to reciprocate through a motor; the logic control system controls starting and reversing of the motor, zero clearing of the pressure measuring system and recording of a pressure value, and zero clearing of the displacement measuring system and recording of a displacement value. The problems of poor measurement precision and low measurement efficiency of the wobble amount of the folding rudder are solved, and the device is high in integration level, extremely low in cost, more convenient to use and suitable for high-efficiency and high-precision measurement of the wobble amount of the folding rudder.
Owner:SHANGHAI SPACE PRECISION MACHINERY RES INST

Limiting device for preventing extreme position pressure building of variable-amplitude oil cylinder for crane

The utility model discloses a limiting device for preventing extreme position pressure building of a variable-amplitude oil cylinder for a crane, which relates to the technical field of cranes and comprises a rotary table support, a variable-amplitude arm mounting frame is mounted on the rotary table support, the top of the variable-amplitude arm mounting frame is movably connected with the left end of a variable-amplitude arm, and the rotary table support is movably connected with one end of the variable-amplitude oil cylinder. The other end of the variable-amplitude oil cylinder is movably connected with the variable-amplitude arm; a limiting stopper support is installed at the position, located on the upper left portion of the arm shaft, of the top of the variable-amplitude arm installation frame, a variable-amplitude limiting stopper is installed on the limiting stopper support, and a trigger inclined face is arranged on the upper side of the left end of the variable-amplitude arm. During use, the variable-amplitude oil cylinder extends to push the right end of the variable-amplitude arm to be lifted, when the variable-amplitude oil cylinder extends to the longest working state, the trigger inclined plane on the variable-amplitude arm is in contact with the variable-amplitude limiter, and the variable-amplitude limiter sends a signal to limit continuous extension of the variable-amplitude oil cylinder, so that the condition of pressure building caused by the fact that the variable-amplitude oil cylinder runs to the limit position where the variable-amplitude oil cylinder extends completely is prevented, and the service life of the variable-amplitude oil cylinder is prolonged. And false triggering alarm of the moment limiting system is avoided.
Owner:SHAOGUAN CRANE FACTORY CO LTD

Rack, control method and device of rack and computer readable storage medium

The invention relates to the technical field of intelligent household appliances, and discloses a rack which comprises a rack body. The driving mechanism comprises a motor and a gear assembly and is used for driving the rack body to move; wherein the gear assembly comprises a target gear, and a trigger part is arranged on the target gear; the limiting mechanism comprises a microswitch; and the microswitch is triggered by the trigger part and outputs a trigger signal. According to the rack, the limit position of the rack body can be detected through the microswitch, the cost is reduced, and the size of an electric assembly of the rack is reduced. The invention further discloses a control method and device of the rack and a computer readable storage medium.
Owner:QINDAO HAIER REFRIGERATOR CO LTD +1