163results about How to "Synchronous lifting" patented technology

The invention discloses a laser-cutting automatic loading and unloading manipulator in the field of lathes, which comprises a grid-shaped sucking disk rack, wherein a plurality of sucking disks are arranged at the lower side of the sucking disk rack, a support rack connected with a feeding mechanism of a lathe is arranged above the sucking disk rack, and a lifting mechanism that drives the sucking disk rack to do ascending and descending motion is arranged on the support rack; a reducer motor is also arranged on the support rack, the middle part of a transmission shaft is connected with the reducer motor by a transmission way, the transmission shaft is arranged on the support rack through a bearing, two ends of the transmission shaft are respectively provided with gears, the upper side and the lower side of each gear are respectively meshed with a gear rack, the gear racks are arranged on four parallel beams, the beams and the support rack are connected by a guide slider mechanism, outer end parts of the two beams positioned at the lower side of the gear and outer end parts of the two beams positioned at the upper side of the gear are respectively connected with a horizontally-arranged unloading fork, the two unloading forks are positioned in a same horizontal height, and stopping rods are respectively arranged at the upper sides of the adjacent ends of the two unloading forks. The invention can automatically load and unload and improve the production efficiency.

The invention discloses a wind tunnel model ice shape measuring method and a wind tunnel model ice shape measuring device. The method is characterized by comprising the following steps of: projecting laser sheet light to the cross section of a model ice layer to form ice shape outline radiography laser stripes, acquiring data of the ice shape outline radiography laser stripes by using an image recording and acquisition device, transmitting the acquired data to an image processing system, acquiring the required ice shape measuring data by data processing, acquiring ice shape outline size by data processing and analysis, and displaying images. The measuring device consists of a camera box, a laser device box, a sheet light height adjusting device and an image acquisition and data processing system. The invention has the advantages of high ice shape measuring precision, convenience in use, high measuring speed, low labor intensity of measuring personnel and the like.

The invention relates to a hydraulic control system of lifting cylinders of a mobile stage vehicle, wherein a solenoid operated directional valve is connected with a one-way throttle valve, an big-small flow self-adjusting dividing and collecting valve, two small-flow self-adjusting dividing and collecting valves and a balance valve sequentially, wherein the balance valve is linked with the lifting cylinders. The hydraulic control system guarantees synchronous ascending and descending of the four lifting cylinders and high synchronous precision by using the self-adjusting dividing and collecting valves and ensures smooth operation and excellent pressure maintaining performance by using the balance valve.

The invention provides a multifunctional elevating and overturning device, which comprises a base, wherein the base is provided with two horizontal moving mechanisms; elevating mechanisms are arranged on the two horizontal moving mechanisms respectively; the two elevating mechanisms are connected with the same elevating driving mechanism; rotating mechanisms are fixed on the two elevating mechanisms respectively; the elevating driving mechanism comprises a driving source which is arranged between the two horizontal moving mechanisms on the base; an output shaft of the driving source is connected with an input shaft of a transfer case; two output shafts of the transfer case are connected with a transmission shaft, a spline assembly, a worm speed reducer and an elevating mechanism in sequence; and the worm speed reducer is fixed on the horizontal moving mechanisms. The multifunctional elevating and overturning device is suitable for elevating and overturning containers of various specifications and sizes on dangerous occasions, and has high reliability and high universality.

The invention discloses a self-rope-arranging winch. The self-rope-arranging winch comprises a winding drum, a motor and a base. The motor is connected with a speed reducer, and the winding drum is installed on the base. The speed reducer is connected with a winding drum shaft of the winding drum to drive the winding drum to rotate. The self-rope-arranging winch further comprises pulleys. The pulleys move in the axial direction of the winding drum and further comprises a rope guide wheel. Steel wire ropes are unwound from the winding drum and are arranged by the rope guide wheel after bypassing the pulleys. By arranging the pulleys and the rope guide wheel, the horizontal installation, ceiling installation and vertical installation of the self-rope-arranging winch can be realized on the basis of the fixed and unified rope output direction without affecting the rope output direction, the use is convenient, the steel wire ropes can be orderly wound around the winding drum, and the synchronous lifting of all lifting points can be ensured.

The invention provides a hydraulic ship elevator. The ship elevator comprises a ship chamber, a reel, a traveling block, a steel rope and a buoy, wherein the buoy is connected with the traveling block and is connected with the ship chamber through the steel rope which moves on the traveling block. The ship elevator is characterized in that a seal is arranged between the buoy and a vertical shaft, and the buoy becomes a piston, so that a pressure generated due to the differences between water levels of an upper reach and a lower reach drives the ship chamber to raise and fall. The ship elevator has the advantages of: 1, greatly reducing the size of the vertical shaft and the project investment by using the differences between the water levels of the upper reach and the lower reach and improving the structural safety of a tower of the ship elevator and facilitating the arrangement of the tower due to the reduced diameter of the vertical shaft; 2, smooth and reliable operation which ensures the smooth lifting of the ship elevator; and 3, easily ensuring the synchronous raising and falling of the water level in the vertical shaft and the safe and reliable operation of the ship elevator.

The invention relates to a lifting device of a glass loading and unloading machine roller carrier. The lifting device comprises a machine frame (1), a fixed conveying belt device (2) and the roller carrier (3), wherein the fixed conveying belt device (2) and the roller carrier (3) are arranged on the machine frame (1). The lifting device is characterized in that the two ends of the roller carrier are provided with guide devices, the two sides of the lower portion of the roller carrier are provided with parallel rotary shafts (11), the rotary shafts are connected with the machine frame through a bearing base (10), the end portions of the rotary shafts are provided with vertical rods (15) and transverse rods (13) respectively, the vertical rods (15) and the transverse rods (13) are fixedly connected, push-pull rods (12) which are matched are arranged between the vertical rods at two ends, the other end of each transverse rod is matched with the roller carrier, and the end portion of one vertical rod is provided with an extending section (16) matched with an oil cylinder (17) arranged on the machine frame. By the adoption of the technical scheme, the lifting device has the advantages of synchronous and accurate in lifting, stable in operation and the like.

The invention discloses a poultry breeding cage with a longitudinally movable bottom net, and belongs to the technical field of poultry breeding equipment. According to the technical scheme, the poultry breeding cage with the longitudinally movable bottom net comprises a cage frame, two side nets correspondingly arranged on the two sides of the cage frame, the bottom net rotationally arranged between the head end and the tail end of the cage frame, a bottom net driving part for controlling the bottom net to do rotational motion, a plurality of n transverse separation nets which are positionedbetween the two side nets and are uniformly arranged in the longitudinal direction of the cage frame, and a lifting part for controlling the n-1 transverse separation nets, wherein the transverse separation net positioned at the head end is fixedly connected with the cage frame, and the n-1 transverse separation nets positioned in the middle and at the tail end are fixedly connected with the lifting part. The poultry breeding cage with the longitudinally movable bottom net has the beneficial effects that the poultry discharging efficiency after breeding is improved, the manual use and grabbingcost is saved, the defective loss is reduced, the cleaning and disinfection efficiency is improved, and the service life is long.

The invention relates to the field of punching machine automation, and particularly relates to an automatic discharging system used for a stamping production line. The automatic discharging system comprises a framework, transportation and adsorption systems, a work-piece transfer system, stacking systems, a waste material traction system and a waste material collection system; the framework is provided with at least three transportation and adsorption systems, the work-piece transfer system and the waste material traction system; a stacking system is respectively arranged below the transportation and adsorption systems which are located at the left side and the right side of the framework. The systems are combined according to the way in the invention, automatic discharging of the stamping production line, including, separation of the work-piece and the waste material, work-piece stacking, waste material collection and the like, can be realized conveniently and rapidly. In the application, only one framework system is needed for separation and transportation of the work-piece waste material, and two-side stacking of the work-pieces can be realized.

The invention discloses a hanging platform for a hanging basket, and belongs to the technical field of construction engineering. The hanging platform for the hanging basket comprises a high handrail,a low handrail, a basket bottom and an elevator mounting frame which are connected and combined by bolts, and is characterized in that a lifting mechanism is arranged on the high handrail, wherein a telescopic mechanism is arranged at the top end of the lifting mechanism; the telescopic mechanism drives sunshading cloth to spread or fold. The hanging platform disclosed by the invention has the following beneficial effects: the hanging platform has the advantages of simple structure, high practicability and convenience in use; the overall structure of original hanging platform of hanging basketis not damaged, thus the transformation cost is low, and the operation is easy; moreover, the constructors can be effectively protected from some sunlight so as to provide a more humanized and more comfortable working environment.

The invention relates to a sucker type bag holding and sleeving device. The sucker type bag holding and sleeving device comprises a machine frame, an upper bag sucking device arranged above a bag opening and holding work position, a left bag sucking and holding device, a right bag sucking and holding device, a bag retaining and opening device, a bag placement platform and a lower bag sucking and moving device, wherein the left bag sucking and holding device and the right bag sucking and holding device are symmetrically arranged on the left side and the right side of the bag opening and holding work position, the bag retaining and opening device is arranged on the front side of the bag opening and holding work position, the bag placement platform is arranged on the rear side of the bag opening and holding work position, the lower bag sucking and moving device is arranged below the bag opening and holding work position, the left bag sucking and holding device and the right bag sucking and holding device are provided with bag holding surfaces matched with a packaging bag, and the bag holding surfaces, the lower surface of the upper bag sucking device and the upper surface of the lower bag sucking and moving device are provided with vacuum sucking holes. The sucker type bag holding and sleeving device continuously and automatically moves packaging bags to the bag opening and holding work position of the machine frame and opens the packaging bags so that the bag openings keep opened and the package bags can be automatically arranged on a discharging barrel in a sleeving mode later, automation of bag sleeving and filling of edible mushroom culturing is realized, the work efficiency is largely improved and the labor cost is reduced.

The invention discloses an underground cable laying device. The underground cable laying device comprises a trailer body, wherein a pay-off rack is arranged on the front side of the upper part of thetrailer body, and the rear side of the upper part of the trailer body is provided with a guide mechanism for guiding the paying-off in a cable well; the guide mechanism comprises a rectangular via hole which is formed in the rear side of the upper part of the trailer body; a rectangular barrel is arranged in the rectangular via hole in a lifting mode; a pair of upper rolling wheels are rotationally arranged on the inner side of the upper opening of the rectangular barrel, a pair of lower rolling wheels are arranged on the inner side of the opening in the lower portion of the rectangular barrelin a rotating mode; a pair of inverted L-shaped push plates are symmetrically arranged on the left side and the right side of the upper end of the rectangular barrel; and a first automatic telescopicrod is arranged on the trailer body and located below the inverted L-shaped push plates in the vertical direction; the situation that the cable insulation layer is damaged due to the fact that the cable is not guided when the cable is laid in the underground cable well can be effectively solved, the extending depth of the guide mechanism can be adjusted according to the depth of the cable well, so that it is ensured that the cable cannot be directly rubbed with the lower edge of the cable well after entering the cable tunnel.

The invention relates to a ceramic tile splitting machine. The ceramic tile splitting machine comprises a framework, a ceramic tile conveying belt device arranged on the framework, a shaft mechanism which is fixed with a cutter disc, is arranged on the framework and is positioned on the belt of the ceramic tile conveying belt device, a tile press mechanism arranged on the ceramic tile conveying belt device and an elevating mechanism arranged below the shaft mechanism. The ceramic tile splitting machine is characterized in that the elevating mechanism comprises swing arms rotatably arranged on the framework at both sides of the ceramic tile conveying belt device and a power mechanism driving the swing arms to swing, and the shaft mechanism is fixed on the swing arms at both sides of the framework. Compared with the prior art, the invention can easily realize that the shaft of the shaft mechanism fixed with a cutter disc is exactly perpendicular to the conveying direction of the conveying belt and every position of the shaft of the shaft mechanism can be synchronously elevated. Besides, the invention has the advantages of labor saving and low manufacturing cost.

The invention relates to a multidirectional full-automatic three-dimensional impact testing machine for a for low-voltage metering meter box; the multidirectional full-automatic three-dimensional impact testing machine comprises a frame seat and a rotating body; the rotating body is slidingly connected on the frame seat; the frame seat is provided with an upper and lower lifting assembly; the upper and lower lifting assembly is provided with a horizontal sliding assembly; the horizontal sliding assembly is provided with a hose or a steel pipe, the bottom end of the hose or the steel pipe is provided with a hammer head, the horizontal sliding assembly is provided with a suction plate, and the hammer head is provided with an electromagnet. The multidirectional full-automatic three-dimensional impact testing machine has the advantages that the suction plate is triggered to suck the electromagnet through energizing the electromagnet, the hammer head is controlled to lift up, the electromagnet is divorced from the suction plate through power failure of the electromagnet, the hammer head triggered to lift up is thrown out to impact the low-voltage metering meter box, the hammer head after impacting can improve the energization of the electromagnet to rapidly recover onto the suction plate, the low-voltage metering meter box can bear same impact force during each time of impact, the accuracy of the test number is ensured, and the efficiency of the tests is improved.

The invention relates to the technical field of automobile accessories, in particular to a retractable tail wing for a practical sports automobile, the retractable tail wing comprises a wing plate, a driving mechanism and a containing box, the driving mechanism comprises an active driving mechanism, two passive driving mechanisms and two X-shaped lifting frames, the active driving mechanism comprises a T-shaped block, a driving electric pole and two connecting rods, the T-shaped block is rotationally connected with the center of the containing box through a rotating shaft, the passive driving mechanism comprises worm wheels and worms in transmission fit with the worm wheels, and the ends, away from the T-shaped block, of the two connecting rods are hinged to the eccentric positions of the two worm wheels correspondingly; the two ends of the wing plate can be driven to ascend and descend synchronously, an electric pole is driven to be located in the center of the containing box, the load for driving the wing plate to ascend and descend is reduced, the service life of the driving mechanism is prolonged, the production cost is reduced, and the occupied space is reduced.

The invention discloses a continuous high-pressure cooking device used for seed nut food. A top cover is rotatably connected with the top of a pot in a clamped mode, top cover lifting air cylinders are connected with the outer portion of the pot, a top cover fixing frame with a rotating shaft is connected with the top cover lifting air cylinders, a driven gear A is installed at the top end of therotating shaft, a rotating power mechanism is installed on the top cover fixing frame, a driving gear A is installed on a power output shaft of the rotating power mechanism, and the bottom end of therotating shaft is fixed to the top of the top cover; a walking motor is fixedly installed on the top of a walking fixing frame, a driving gear B is installed on a power output shaft of the walking motor, a driven gear B is fixed to the end portion of one end of a walking axle, a walking wheel is fixed to the end portion of the other end of the walking axle, the walking wheel is installed on a guiding rail in a walking matched suspended mode, and a netted material bucket is arranged in an inner cavity of the pot. By means of the continuous high-pressure cooking device used for the seed nut food, multi-station continuous cooking treatment can be conducted on the seed nut snack food, and the problems that kernels can hardly be tasty, shells are hard to crack, energy consumption is high, baking time is long, the efficiency is low, and the like are solved.

The invention provides a lifting cabinet and a four-thread synchronous retraction device for the lifting cabinet, used for solving the problem that for the existing lifting cabinet, a plurality of winders are needed for rolling lifting ropes, so that the synchronism is low. The key points of the technical scheme are as follows: the lifting cabinet comprises a mounting plate, as well as a winding reel, a motor and guiding mechanisms which are mounted on the mounting plate, wherein the winding reel is fixedly connected with an output shaft of the motor, a winding groove is arranged in the winding reel, the winding groove comprises two winding sections which are connected, two fixing parts used for fixing lifting ropes are arranged in each winding section, the guiding mechanisms are in one-to-one correspondence with the winding sections, the two guide mechanisms guide the lifting ropes in the different winding sections to two opposite sides of the mounting plate, and the two lifting ropesin the same winding section are guided to the same side of the mounting plate. When the lifting ropes are rolled, the winding reel rotates under the output of the motor, the four lifting ropes are rolled synchronously, meanwhile, under the effect of the guiding mechanisms, the lifting ropes are guided to the two sides of the mounting plate and are in the drooping state, thus the synchronous retraction of the four lifting ropes is realized, and therefore, the operation is more stable when the lifting ropes on which heavy objects are hung are lifted.

The invention provides an optimal-friction-resistance cast-in-place pile type and a construction method therefor. The pile type comprises an engineering truck having an autocrane and a hydraulic pile expander, as well as a hydraulic pile-expander digital display system, and is characterized in that the hydraulic pile expander of the engineering truck is horizontally arranged and fixed between a cab and a crane-operating room, and pile-expanding cones of the on-vehicle pile expander are in hydraulic multi-cylinder synchronization. The optimal-friction-resistance cast-in-place pile type manufactured by the pile expander is characterized in that a plurality of groups of convex rectangular force-bearing cones in radial symmetry are arranged on a cylindrical pile body, perpendicularly intersect at an axis, and are staggered and distributed in the axial direction of the pile body. The construction method for cast-in-place piles comprises the following steps that: a plurality of pile-expanding cones in the pile expander simultaneously start to apply transverse extrusion force to a soil layer around a borehole; the previous operation is repeated till all force-bearing cone holes of borehole-extruding pile expansion are finished; and the engineering truck retracts and places the pile expander horizontally in a truck body and carries the pile expander to next hole position. The invention has the advantages that the invention increases the surface area of the pile body with the same specifications by 45 to 50 percent, and can obtain the economic benefit of saving 40 to 45 percent of materials and saving 30 percent of investment on the premise of guaranteeing the same degree of single-pile bearing capacity.

The invention discloses a digital and intelligent lifting control device, which is characterized by comprising a PLC (Programmable Logic Controller) and a control panel electrically connected with the PLC, wherein the PLC is connected with multiple groups of lifting devices, and each group of lifting devices is provided with a revolution speed transducer connected with the PLC. The digital and intelligent lifting control device has the advantages of whole or partial synchronous rising and descending function to a scaffold, overload protection, emergency stopping and early warning function to failure; and a rising or descending height can be preset, when being wholly lifted to operate to reach the preset height, the scaffold can be automatically in place and meet a horizontal requirement, and thereby ensuring synchronism and safety when the scaffold is wholly lifted to rise and descend, and ensuring the safety of lives and properties of on-site personnel; and heavy leveling operation caused by wholly lifting the scaffold by the conventional lifting equipment is completely removed, so that the production efficiency is improved.

The invention discloses a gap-type high-pressure boiling device for seed nut food. The gap-type high-pressure boiling device for seed nut food comprise a rack, a rotary power mechanism A, a top lift cylinder, a lifting arm, a rotary power mechanism B, a top cover rotating shaft, a top cover, a boiling pot body and a mesh material barrel, the top of the rack is mounted with the rotating power mechanism A through a bracket, a driving gear A is mounted on the rotating power mechanism A, and a driven gear A is mounted on the top lift cylinder; the lifting arm is fixed on the top of a lifting rod of the top lift cylinder, the rotary power mechanism B is mounted on the lifting arm, the driving gear A is mounted on the rotary power mechanism B, the top cover rotating shaft is rotatably mounted onthe lifting arm, and a driven gear B is mounted on the top end of the top cover rotating shaft, the boiling pot body is arranged on an electric heating seat, and the mesh material barrel is arrangedinside the boiling pot body. The device carries out high-pressure boiling treatment on the seed nut snack food, and solves the problems that the seed kernel is difficult to taste, the shell is difficult to remove, the energy consumption is high, the baking time is long, and the efficiency is low.

The invention discloses an intelligent lifting shelf and a refrigerator, wherein mounting grooves are formed in the upper surfaces of upright posts; rectangular channels are respectively arranged on the two opposite side surfaces of each mounting groove; a motor is arranged in the middle of a chassis; a lead screw is arranged on the motor through a coupler; a first transmission rod and a second transmission rod are movably arranged on a bearing block; crankshaft connecting rods are respectively arranged at the two ends of the first transmission rod and the second transmission rod; and the lower end of each crankshaft connecting rod passes through the rectangular channel and is connected with the lifting platform. According to the intelligent lifting shelf and the refrigerator in the invention, CCD cameras are arranged in the refrigerator in an array manner, so that the sizes of the stored objects are intelligently identified and judged, the required lifting height is calculated, the storage space of the objects to be stored is automatically adjusted and adapted, and intelligent lifting can be realized without manual lifting or manual reminding; bottom feet are driven to lift in theupright posts through the cooperation of the motor, the transmission rods and the crankshaft connecting rods, and a shelf board is driven to lift; and the lifting motion of the shelf is smooth and synchronous, the gravity eccentricity problem of the objects is basically not influenced, and the operation is stable.

The invention discloses a bus lifting device. The bus lifting device comprises a bottom layer and lifting guiding columns arranged on the bottom layer, a secondary-layer machine frame is supported onthe lifting guiding columns, a lifting bus-carrying platform capable of lifting and falling under the effect of a steel wire rope mechanism is arranged between the bottom layer and the secondary-layermachine frame, at least two sets of bottom-layer steering pulleys are arranged on the bottom layer, machine-frame steering pulleys are arranged at the positions, corresponding to the bottom-layer steering pulleys, of the lower portion of the secondary-layer machine frame, and the positions, corresponding to the bottom-layer steering pulleys, of the sides of the lifting bus-carrying platform are each provided with a set of lifting pulleys; the steel wire rope mechanism comprises a driving oil cylinder, one end of a piston rod of the driving oil cylinder is connected with a driving sliding block, a movable pulley set is arranged on the driving sliding block, and at least four steel wire ropes round the movable pulley set. According to the bus lifting device, the phenomenon that the steel wire ropes slip on the pulleys can be avoided, and compared with a winching-type device, the bus lifting device is small in occupied space and simpler and more convenient in layout.

The invention relates to a four-guide-column type lifting machine. A bidirectional output shaft motor and four transmission cases are fixed to a base. The transmission cases are provided with screw input shafts. A guide sleeve is fixed to each transmission case. Guide columns are arranged in the guide sleeves in a sliding manner. External threads are machined at the bottom ends of the guide columns. The bottom ends of the guide columns are matched with the screw input shafts of the transmission cases through the threads. The centers of the four transmission cases are located at four peaks of the same rectangle. The bidirectional output shaft motor is located at the center position of the rectangle where the four transmission cases are located. First couplers are fixed to two output shafts of the bidirectional output shaft motor, and the other ends of the first couplers are connected with input shafts of commutators. Second couplers are fixed to output shafts of the commutators, and the other ends of the second couplers are connected with the screw input shafts of the transmission cases. The four-guide-column type lifting machine is of a pure mechanical structure and is simple and reliable in structure, and synchronous lifting and stable running are achieved.

The invention discloses a control method for synchronous lifting of lifting hooks of a double-lifting hook crane. The control procedure of the control method comprises the steps that a master-slave lifting hook lifting speed given control unit of the double-lifting hook crane is formed by functional blocks HSTC01-HSTC14; a master lifting unit single-action lifting control unit of the double-lifting hook crane is formed by functional blocks HSTC15-HSTC19, HSTC28-HSTC31, HSTC38 and HSTC44-HSTC47; a master lifting hook linkage lifting control unit of the double-lifting hook crane is formed by functional blocks HSTC20-HSTC38 and HSTC44-HSTC47; and a master-slave lifting hook fault detecting unit of the double-lifting hook crane is formed by functional blocks HSTC39-HSTC43. According to the technical scheme, synchronous lifting of the double lifting hooks special for H-type steel coping is achieved, even though hoisting loads or self-braking tightness degrees of two lifting hook lifting motors are not consistent, and synchronous lifting of the two lifting hooks of the crane can be achieved.

The invention provides a mechanical forced synchronization device with two hydraulic cylinders driving a vehicle carrying board to ascend and descend for parking equipment. According to the technical scheme, with the mode of steel wire rope drag forced synchronization or gear and rack drive forced synchronization, lifting synchronization of the vehicle carrying board can be achieved at a low cost by adopting the common synchronous valve double-cylinder drive mode without electric control in cooperation with the simple mechanical forced synchronization device for the hydraulic drive parking equipment, wherein according to the working principle of steel wire rope drag forced synchronization, a drag lifting mechanism and a drag synchronizing mechanism are used for dragging the left side and the right side of the vehicle carrying board respectively, so that lifting synchronization of the vehicle carrying board is achieved; according to gear and rack drive forced synchronization, the rigidity of mechanical drive is utilized for achieving lifting synchronization of the vehicle carrying board. The schemes both have the advantages of simple structure and mature technology, and the defects of complex structure, complex control, susceptibility to interference and high cost of closed-loop control schemes adopting digital synchronous valves are overcome.

The invention discloses a crane for aerated concrete production. The crane comprises a frame, a reduction box, a driving wheel, an oil cylinder and the like. The frame is composed of two transverse beams and two horizontal beams in a welded manner, each transverse beam is made of H structural steel, each horizontal beam is made of a rectangular steel tube, and the crane has the beneficial effects of being good in rigidity, simple in structure, easy to install and adjust and the like. A horizontal driving device drives a cardan shaft to synchronously drive walking wheels on the two sides through a second half coupling by a double-shaft reduction box, and complete synchronization of walking is guaranteed; and meanwhile, positioning wheels which tightly hold rails are installed on the two sides of the walking wheels, and it is guaranteed that opposite positions of the walking wheels and the rails are unchanged. Lifting driving of the crane is achieved through a hydraulic oil cylinder, four lifting steel wire ropes are pulled by the oil cylinder through a trolley walking at the top of a movable trolley, and the lifting synchronization is guaranteed.

The invention discloses a lifting-type electromagnetic shielding door with a safe self-locking device. The lifting-type electromagnetic shielding door with the safe self-locking device comprises a doorframe assembly, a door leaf assembly, a longitudinal feed mechanism, and a lifting mechanism; the doorframe assembly is mutually matched with the door leaf assembly to realize the locking and unlocking of the door leaf assembly; the door leaf assembly is installed on the longitudinal feed mechanism and is subjected to a translational movement driven by the longitudinal feed mechanism; the liftingmechanism comprises a stand column assembly and a sliding body assembly capable of sliding up and down relative to the stand column assembly; the longitudinal feed mechanism is installed on the sliding body assembly, and the sliding body assembly drives the longitudinal feed mechanism and the door leaf assembly to perform a lifting movement. The lifting-type electromagnetic shielding door with the safe self-locking device abandons the structure of controlling lifting by steel wire ropes, the lifting mechanism with the coordination of the stand column assembly and the sliding body assembly isadopted, the safe self-locking device is installed on the stand column assembly, and a mechanical lock is formed during power failure to prevent the shielding door from falling.

The invention discloses a hydraulic supporting device which is capable of locating the height accurately. The hydraulic wedge block type supporting device comprises a supporting arc plate, a side blocking plate, an upper wedge block, a lower wedge block, a frame, a support, an oil cylinder, a piston rod and an auxiliary flywheel, wherein the support is designed to be in the shape of a frame, the front end of the support is connected with the auxiliary flywheel through the supporting arc plate, the upper wedge block and the lower wedge block are placed in the frame, the length of the upper wedge block is equal to the length of an inner cavity of the support frame, the piston rod of the oil cylinder is connected with the lower wedge block, and the lower wedge block is pushed and pulled through motion of the piston rod so as to achieve ascending and descending of the upper wedge block. A guide block is installed respectively on both sides of each wedge block, thereby ensuring synchronous ascending and descending of the upper wedge block and the lower wedge block. The hydraulic wedge block type supporting device is simple in structure, convenient to operate, time-saving and labor-saving, capable of being repeatedly used and high in reliability. When used on large test equipment, the hydraulic wedge block type supporting device meets the requirement of the auxiliary flywheel for accurately supporting the height, and error of the repeated supporting height is within 0.02mm.

The invention relates to the field of engineering machinery, and provides a lifting mechanism network and a lifting mechanism synchronizing method. The lifting mechanism network comprises multiple lifting machines, multiple height detection devices and a host. Each height detection device in the lifting mechanism network detects the lifting height of each lifting arm in real time and sends a real-time detection signal to the host, the host calculates the rising and falling height of each lifting arm according to the detection signals sent by the multiple height detection devices, compares therising and falling heights of all the lifting arms and orders the multiple lifting machines in the lifting mechanism network to be adjusted to the same height. The multiple lifting machines, the multiple height detection devices, the host and communication among the multiple lifting machines, the multiple height detection devices and the host are configured, by means of the lifting mechanism network and the lifting mechanism synchronizing method, the lifting heights of all the lifting machines can be adjusted in real time, synchronous operation of all the lifting machines in the lifting mechanism network is achieved, and therefore the safety risk is greatly reduced.

The invention relates to an intelligent new-energy automobile with high charging efficiency and a protection function. The intelligent new-energy automobile comprises an automobile body, a chassis andfour wheels. Multiple charging mechanisms are arranged below the chassis. Each charging mechanism comprises a lifting mechanism, a flat board, a coil, a bottom board, a detection mechanism, a guide board and multiple first springs. Each lifting mechanism comprises a drive component and two driven components. By the adoption of the intelligent new-energy automobile with high charging efficiency and the protection function, the flat boards are driven through the lifting mechanisms to ascend and descend, the height of the bottom boards is adjusted, the height distance between each bottom board and the ground is detected through the corresponding detection mechanism, the charging mechanisms adjust the positions of the bottom boards to get close to the ground, so that the distance between eachcoil and the ground is reduced, the coils can be charged in a more powerful magnetic field, and charging efficiency is improved. Furthermore, hard objects such as finely-crushed glass and macadam onthe ground enter the positions below the bottom boards through the guide boards, the coils are prevented from being scratched, the protection function is provided, and a safe and quick charging purpose is achieved.