44results about How to "Realize automatic decoupling" patented technology

The invention discloses an active anti-roll bar. The anti-roll bar comprises a left half anti-roll bar, a right half anti-roll bar, a left planetary gear set, a right planetary gear set, a magnetic powder clutch, a double-rotor motor and an ECU and is characterized in that the magnetic powder clutch comprises a drive end and a driven end, and the magnetic powder clutch selectively combines or separates the drive end and the driven end; the double-rotor motor comprises an inner rotor and an outer rotor, the inner rotor is connected to the drive end of the magnetic powder clutch and penetrates the magnetic powder clutch to be connected with the sun gear of the left planetary gear set, the leading-out end of the outer rotor is connected with the driven end of the magnetic powder clutch through a flange and a bolt, and the other output end of the outer rotor is connected with the sun gear of the right planetary gear set; the ECU is electrically connected with the double-rotor motor and themagnetic powder clutch. The active anti-roll bar has the advantages that suspension roll angle rigidity can be changed actively and steplessly, whole-vehicle high-speed roll stability, whole-vehiclelow-speed suspension comfortableness and a system failure protecting function are also achieved, independent travel control of a left suspension and a right suspension can be achieved, active roll canbe achieved, and vehicle body lateral collision passive safety is increased.

The invention discloses a control method and system of a three-phase LCL type grid-connected inverter. The method comprises the steps of obtaining grid current iG-a, b, c and grid voltage uG-a, b, c;obtaining iG-a, b, c* and iG [alpha], iG [beta], uG [alpha], uG [beta], iG [alpha] *, iG [beta] * in two-phase stationary coordinates; obtaining an actual control quantity u[alpha] by a first ADRC according to iG [alpha], uG [alpha] and iG [alpha] *, wherein the first virtual control quantity u '[alpha] output by the first state feedback control rate in the first ADRC and iG [alpha] are in a pureseries integral relationship; obtaining an actual control quantity u [beta] by a second ADRC according to iG [beta], uG [beta] and iG [beta] *, wherein the second virtual control quantity u '[beta] output by the second state feedback control rate in the second ADRC and iG [beta] are in a pure series integral relationship; a SVPWM controller generating a pulse width modulated PWM signal according to u [alpha] and u [beta] and outputting the pulse width modulated PWM signal to a grid-connected inverter. The advantages of the invention are that a control algorithm is simple, engineering setting of parameters can be realized, and the cost is low.

The invention discloses an overhead traveling crane lifting appliance for steel tube pickling. The overhead traveling crane lifting appliance comprises a balance device, a cross beam and a plurality of lifting hooks, wherein the balance device comprises two first balance plates and two second balance plates; a first rotating shaft is arranged at the upper end of each first balance plate; the lower end of each first balance plate is hinged with the upper end of the second balance plate through a second rotating shaft; angles are formed between the first balance plates and the second balance plates; the lower end of each second balance plate is hinged with the top of the cross beam through a third rotating shaft; a plurality of hooks are arranged at the bottom of the cross beam; and each hook hangs one lifting hook. The overhead traveling crane lifting appliance has a simple structure; by the overhead traveling crane lifting appliance, swinging of a steel tube and sputtering of acid liquor are avoided, and waste of the acid liquor and pollution to the environment are reduced; and furthermore, automatic unhooking and automatic hooking of the steel tube when the steel tube is fed intoa slot and discharged from the slot can be realized, so the utilization rate of an overhead traveling crane is increased and the steel tube pickling efficiency is improved. When the inclination degree of the cross beam is adjusted through a steel wire rope, the steel tube can be kept steady and made to be inclined.

The invention discloses a railway vehicle line collision test method. When a vehicle under test starts to carry out a collision test, a test driving vehicle is connected with the vehicle under test through a first coupler; the test driving vehicle pushes the vehicle under test to start and accelerate; when the running speed of the test driving vehicle and the running speed of the vehicle under test reach a specified speed, the test driving vehicle and the vehicle under test operate at a constant speed for a period; when the vehicle under test arrives at the position of an unhooking point, a beacon reading device detects the position of a ground beacon, and sends a fixed-point signal to a ground control station; after receiving the fixed-point signal, the ground control station sends an unhooking instruction to the test driving vehicle, and the first coupler is opened; the test driving vehicle starts braking, and the test driving vehicle is separated from the vehicle under test, the vehicle under test performs idle running until arriving at a collision point, and the test driving vehicle gradually decelerates until stopping. With the railway vehicle line collision test method adopted, the technical problems of failure to realize the remote control of an experimental process, low test safety and low stability of an existing line collision test method can be solved.

The invention discloses an electric wheel driving system integrating steering, roll preventing and driving. The electric wheel driving system comprises a double-rotor motor, an anti-roll gear, an L-shaped anti-roll rod and a linear motor and is characterized in that the output end of the outer rotor of the double-rotor motor is connected with a wheel, and the output end of the inner rotor of the double-rotor motor is connected with a drive gear; the anti-roll gear is located on one side of the drive gear and meshes with the drive gear; one end of the L-shaped anti-roll rod is fixedly connectedwith the anti-roll gear through a first clutch, and the other end of the L-shaped anti-roll rod is connected with a suspension; the linear motor is fixed on one side of the double-rotor motor, and the secondary end of the linear motor is connected with a steering tie rod and used for driving the steering tie rod to achieve steering; when the first clutch is in a combining state, the output end ofthe inner rotor generates resisting moment for stopping the suspension from bouncing vertically so as to prevent roll. The electric wheel driving system has the advantages that system integration isincreased, space saving is achieved, and overall-vehicle arrangement is facilitated.

The invention discloses an automatic unhooking machine of a tyre conveying line, and relates to the mechanical field. The automatic unhooking machine of the tyre conveying line comprises a lifting support of which two opposite sides are provided with a guide rail, and a guide slider slidably connected with the guide rail; the lifting support is provided with a drive cylinder; the drive cylinder is controlled by an automatic sensing controller; the guide slider is driven by the drive cylinder; one side, adjacent to the guide slider, of the lifting support is provided with a lifting frame; the lifting frame is fixedly connected with the guide slider; the automatic sensing controller consists of a photoelectric sensor and a power control circuit; and the drive cylinder is an air cylinder, its cylinder body is fixedly connected with the lifting support, and its piston rod is fixedly connected with the guide slider. The automatic unhooking machine of the tyre conveying line is capable of solving the problems of the current tyre conveying line that the labor intensity of the tyre unhooking manner is large, the production efficiency is low, and the production is not balanced because of the manual operation and different tyre unhooking times.

The invention discloses a hoisting beam suitable for a water conservancy project gate. The hoisting beam comprises a hoisting beam body connected with a crane. A first mounting seat used for mounting of a hoisting hook and a second mounting seat connected with a hoisted object and used for mounting of a hoisting shaft are arranged on the hoisting beam body. The hoisting hook can be arranged on the hoisting shaft in an unhooking manner. A linkage rod is arranged on the first mounting seat. The top end of the linkage rod is connected with a lock tongue. A lock tooth at the top of the hoisting hook is connected to the lock tongue in an abutting manner. An ejector rod is arranged on the second mounting seat. The linkage rod can be connected to the ejector rod in an abutting manner, so that the ejector rod drives the lock tongue to be opened. The hoisting hook is hooked to the hoisting shaft. According to the hoisting beam, the hoisting hook can be stably locked at the opening position through the lock tongue and the lock tooth, the linkage rod is used for controlling action of the lock tongue, and it is guaranteed that the hoisting hook is in place accurately; guide columns and guide rails are utilized for driving the hoisting hook to rotate, and the hoisting hook is opened again to the locking position; and the structure is simple, and automatic hooking and unhooking can be achieved only through a self mechanical mechanism.

The invention discloses an automatic hooking and unhooking device for a steaming trolley. The device comprises a hook mounting support (1) and a hook (2), wherein a downwards open hook groove (9) is formed on the hook (2); the hook mounting support (1) is fixed on the steaming trolley (3); a rotating shaft (5) is arranged on the hook mounting support (1); and the hook (2) is fixedly connected with the rotating shaft (5) through a key (7). The automatic hooking and unhooking device is provided with an unhooking cam (4) at an unhooking position of a rail; a shifting fork (6) is arranged on the rotating shaft (5); and the shifting fork (6) is fixedly connected with the rotating shaft (5) through a key (11). Due to the adoption of the technical scheme, automatic hooking and automatic unhooking of the steaming trolley are realized, the production efficiency is improved, and the labor intensity is reduced; therefore, the actions of hooking and unhooking are more accurately matched with the production rhythm.

The invention discloses a method for enhancing the transportability and robustness of communication device automated test scripts. The method comprises following steps: determining external test factors which affect the transportability and robustness in an automated test script to be developed one by one; performing localization secondary encapsulation on original functions of each determined external test factor one by one to obtain a secondarily encapsulated function library; calling the secondarily encapsulated function library to compile automated test scripts. By means of the method of the invention, indiscriminate versatility of automated test scripts is achieved so that the transportability and robustness of communication device automated test scripts are greatly increased.

The invention discloses an automatic unhooking device, a lifting hook and a method. The automatic unhooking device comprises a plurality of limiting parts which are fixedly connected to a lifting hookbody and are provided with through holes, and a flexible rope-shaped part which penetrates through the plurality of limiting parts, the arrangement shape of the limiting parts is matched with the shape of the lifting hook body; the limiting part positioned at the head position in the plurality of limiting parts is fixed on a movable part of the lifting hook body; and when force away from the direction of the limiting part located at the head position is applied to the flexible rope-shaped part, the flexible rope-shaped part can drag the movable part of the lifting hook body. According to theautomatic unhooking device, the lifting hook and the method, parts capable of facilitating construction are additionally arranged on an existing lifting hook, and the existing lifting hook is improvedin a targeted mode, so that treating high-position parts which are difficult to install is conveniently carried out in the construction process, and construction is further facilitated.

The present invention discloses an intelligent driving method for a line collision test drive vehicle. A test drive vehicle is connected with a to-be-tested vehicle by using a first vehicle coupler, aclose-coupled coupler is used for the first vehicle coupler, and the test drive vehicle is used as a track tractor to drive the to-be-tested vehicle to run; during the test, a ground beacon arrangedon the sleeper is identified by a first in-vehicle network control system arranged on the test drive vehicle through a beacon reading device, so that the current position of the test drive vehicle canbe determined, and signals are transmitted through a vehicle wireless reconnection unit to a ground console of a ground control room; and a ground network control system arranged on the ground console transmits a traction, braking or decoupling operation instruction to the test drive vehicle through the ground wireless reconnection unit to remotely control the test drive vehicle to perform a collision test. According to the method provided by the present invention, technical problems that a series of train collision test control processes such as dynamic decoupling must be completed on the test vehicle in the existing line collision test mode with poor test safety and stability can be solved.

The invention provides a device for detecting pull-out resistance of a foundation pile and quality of a pile body. The device comprises a working platform, a bracket and a beam, wherein the beam is hinged on the bracket, a heavy hammer assembly is arranged at one end of the beam in the left-right direction, a pile pulling assembly is arranged at the other end of the beam, and a gyroscope for detecting the horizontal of the beam is arranged on the beam. According to the device, through the hinged design of the beam and the bracket, lifting mechanisms at the two sides of frame body, namely jacks, lift the heavy hammer to a certain height and fall down, the heavy hammer impacts a main beam below, the pile pulling assembly rises by utilizing a lever principle, the upward impact force is exerted on a detected pile, the impact force borne by the detected pile is measured through the pile pulling assembly, and the pull-out resistance of the foundation pile and the quality of the pile body aredetected.

The invention discloses a steel pipe discharging packaging production line and belongs to the field of steel pipe discharging equipment. The steel pipe discharging packaging production line comprisesa conveying chain. Multiple hanging tools are arranged at the lower ends of the two sides of the conveying chain, and lifting hooks are arranged at the lower ends of the hanging tools. Steel pipes arehung at the lower ends of the lifting hooks, and packaging assemblies are arranged at the discharging end of the conveying chain. An unhooking assembly is arranged at the end, close to each packagingassembly, of the conveying chain. Each unhooking assembly comprises a rotating plate. The upper ends of the rotating plates are hinged to a fixing device of a production line, and the lower ends of the rotating plates are fixedly provided with unhooking air cylinders. Push plates are arranged on output shafts of the unhooking air cylinders, the push plates are arranged corresponding to the uppermiddle ends of the lifting hooks, the push plates are arranged on the inner sides of the lifting hooks, and the moving direction of the push plates is perpendicular to the side faces of the lifting hooks. By means of the steel pipe discharging packaging production line, automatic discharging of the steel pipes can be achieved, the labor intensity is lowered, and the work efficiency is improved.

The invention belongs to the technical field of double-layer die changing, and particularly relates to a double-layer die changing system of a door cover edge-wrapping press. The double-layer die changing system comprises a frame fixing device, an electrical control system and a hydraulic pump station, wherein a die lifting device is installed in the frame fixing device, the die lifting device isconnected with the hydraulic pump station, the frame fixing device is connected with four die storage location devices, and the four die storage location devices are correspondingly positioned on theupper left, the lower left, the upper right and the lower right portions of the frame fixing device. The two die storage location devices on the left side are symmetrical to the two die storage location devices on the right side, the die storage location devices are connected with die backing plates, a backing plate storage location device is connected to the left side of the frame fixing device,the backing plate storage location device is positioned between the upper and lower die storage location devices on the left side, a longitudinal push-pull device is connected below the frame fixing device, and the frame fixing device is connected with a transition device connected with the press.

The invention relates to an automatic unhooking lifting tool. The automatic unhooking lifting tool comprises a support. The support is longitudinally connected with pull blocks, lifting hooks and shackles are arranged on the lower sides of the pull blocks, and tying ropes are arranged between the lifting hooks and the shackles. The support comprises two longitudinal beams, and first flying shoresare arranged between the same ends of the longitudinal beams. The pull blocks comprise inner blocks and outer blocks, and the upper sides of the inner blocks and the outer blocks and the correspondinglongitudinal beams are fixed together. Connecting rods are arranged below the longitudinal beams, rotary shafts are evenly distributed on the connecting rods longitudinally, and the rotary shafts arelocated between the inner blocks and the outer blocks separately. Hooking shafts and buckling shafts are arranged between the two ends of the lower sides of the inner blocks and the outer blocks. Thelifting hooks comprise straight rod sections and U type sections connected with one ends of the straight rod sections into a whole. The outer ends of the straight rod sections are hinged to the rotary shafts, and the inner ends of the straight rod sections are hinged to the hooking shafts. The two ends of the shackles are fixed to the buckling shafts. A second flying shore is connected between the two connecting rods, and a push-and-pull mechanism for driving the connecting rods to stretch and shrink front and back is arranged on one side of the second flying shore. By the adoption of the lifting tool, the unloading efficiency can be improved, and potential safety hazards are eliminated. The automatic unhooking lifting tool is suitable for the occasions such as wharfs and harbors needingcontainer bag transferring.

The invention discloses a high-strain automatic release and hoisting equipment. The high-strain automatic release comprises a housing having a lower opening. A gear structure, a guide rail and a guide bar are disposed inside the housing, wherein the guide rail and the guide bar are sleeved together. The guide bar can move up and down along the guide rail. The outer wall of the guide bar is provided with a toothed structure which fits the gear structure. The gear structure drives the guide bar to move. The lower end of the guide bar is conical. The side wall of the housing is provided with two corresponding elastic parts. A hoisting clamp is disposed at the opening of the housing and comprises two clamp arms hinged through a fixed shaft. Each clamp arm comprises a handle and a head fixedly connected to each other. The elastic parts are connected with the two handles respectively, and the conical end is inserted into the handles. The hoisting equipment comprises the high-strain automatic release. The high-strain automatic release and the hoisting equipment have the advantages that safety hazards are eliminated and work efficiency is improved.

The invention provides fan foundation protection throwing equipment. The fan foundation protection throwing equipment comprises a first throwing device and a second throwing device capable of being connected with the first throwing device in an oppositely-folded manner; and any throwing device comprises an internal throwing platform, a cylinder body, an external throwing platform and an unhookingmechanism, wherein the internal throwing platform is connected to the inner side of the cylinder body, the external throwing platform is connected to the outer side of the cylinder body, the unhookingmechanism comprises connecting rods and a plurality of unhooking assemblies, the multiple unhooking assemblies are arranged at the bottom of the internal throwing platform and the bottom of the external throwing platform at intervals and are in linkage through the connecting rods. According to the fan foundation protection throwing equipment, by arranging the throwing devices capable of being folded oppositely, hoisting throwing installation of a sand quilt can be completed, and protection of a fan foundation can be achieved easily. During throwing installation of the sand quilt, automatic unhooking of the sand quilt can be achieved, and operation is convenient. The fan foundation protection throwing equipment can be matched with fan pile bodies with different sizes to finish the throwinginstallation of the sand quilt.

The invention discloses a remote control unhooking device for a high-altitude lifting appliance and a using method of the remote control unhooking device. The remote control unhooking device comprises a lifting hook, a rope winding device A, a rope winding device B, an unhooking device, a rope body A, a rope body B and a remote controller for remotely controlling the rope winding device A and the rope winding device B, wherein a clamping ring A is arranged on the upper portion of the lifting hook, one side of the clamping ring A is connected with the rope winding device A, and the other side of the clamping ring A is connected with the rope winding device B, and the unhooking device is arranged in the middle of the lifting hook; and the unhooking device and the rope winding device B are arranged on the same side. The rope winding device A and the rope winding device B are adopted to control the winding and unwinding of the rope body B and an L-shaped lever respectively and control anti-unhooking and automatic unhooking of the lifting rope respectively; the anti-unhooking and automatic unhooking functions of the lifting hook are integrated; remote control is achieved through the remote controller; heavy objects lifted on the high-altitude surface do not need to be received by workers; and the remote control unhooking device is easy to operate, practical and convenient.

The invention discloses an unhooking device of a loop supporting vehicle, which comprises a brake driving lever, a driving lever bracket, a connecting rod mechanism, a universal coupling and an unhooking cam, the brake driving lever is arranged on the driving lever bracket, the driving lever bracket is arranged on a vehicle body through a rotating shaft or a bearing, and the brake driving lever can rotate around the rotating shaft or the bearing along with the driving lever bracket; the brake driving lever and the driving lever support form a revolute pair, the brake driving lever is connected with one end of the universal coupling, the other end of the universal coupling is connected with the unhooking cam, and a return spring is arranged on the connecting rod mechanism. The automatic unhooking device is simple in structure, easy to install and small in occupied space, and automatic unhooking of the loop supporting vehicle is achieved.