90 results about "Space requirements" patented technology

The present invention relates to an artificial intelligence-based user-customized modular building design and BIM linkage apparatus comprising: a memory including at least one instruction; and at least one processor electrically connected to the memory and configured to perform the at least one instruction, wherein the at least one processor may: receive a user input related to generation of housing space data, wherein the user input includes natural language; apply space requirement analysis criteria to the user input to calculate a housing requirement index; determine, by means of a specification mapping model, hard specifications and soft specifications on the basis of the housing requirement index; if the housing requirement index cannot be calculated or if there exists an element, among the hard specifications, which cannot be calculated by the housing requirement index alone, analyze insufficient information to determine necessary additional requirement information; request, from a user, information necessary to obtain the additional requirement information; reflect an additional input from the user to sequentially update the housing requirement index, the hard specifications, and the soft specifications; and calculate, by means of a space generation model, housing space data on the basis of the updated hard specifications and soft specifications.

This invention relates to a foldable electric golf bag cart. When folded, the connecting rods on both sides of the cart frame and the wheels connected to these connecting rods are folded to the sides of the frame. This invention allows the two rear wheels and the connecting rods linking the frame and the rear wheels to be folded to the sides of the frame, effectively reducing the overall size of the folded electric golf bag cart, minimizing its space requirements, and making it more convenient to move and store.

The utility model discloses a kind of connector wrench structure, including wrench body, the length direction one end of wrench body is provided with first disassembly component, the thickness direction one end of wrench body is provided with second disassembly component, the first disassembly component and the second disassembly component are used to disassemble the buckle of connector;The first disassembly component and the second disassembly component all include two protrusions of symmetrical interval arrangement, the end surface of wrench body is outward convex to form the protrusion;The central portion of wrench body is provided with clamping hole, the shape cooperation of clamping hole and connector outer wall;The length direction of wrench body is provided with pincer portion on the other end, the pincer portion is provided with opening groove, and the shape cooperation of opening groove and connector end portion is matched.The utility model can solve the problem that narrow disassembly space requirement cannot be met by optimizing wrench structure, and help to improve the convenience of disassembling connector.

The utility model discloses a frame, in particular to a frame structure of a large tundish car, which solves the problems of large occupied space, heavy weight and high cost of the existing frame. The low legs and the high legs are located at the front end and the rear end and connected, the cross beam is connected between the low legs and the high legs at the front end and the rear end, and the overall axial length of a frame is 65%-75% of the axial length of the tundish. The supporting device is extremely simple in structure, easy to transform, small in occupied space, low in cost, light in weight and capable of effectively supporting the large tundish.

The combination toilet urinal with overspray and splash containment features a combination toilet and urinal fixture. While avoiding the cost and space requirements of an individual toilet and a separate urinal, the device also anticipates splashing and misdirection, or overspray, associated with the use of a toilet in a standing position. The result is a compact unit that acts both as a toilet and urinal, while maintaining cleanliness of the toilet for users who need to sit. To combine the two devices, a urinal basin is incorporated into the toilet tank space. The urinal basin is ideally incorporated into the front of the toilet tank, allowing access to the urinal from the toilet-seat side of the tank. Restated, the urinal basin is accessible from the front—the same direction a user would commonly stand to urinate into the toilet or urinal.

The utility model relates to a movable partition wall for house building decoration, which comprises three sliding rails, the left and right parts of each sliding rail are connected with two connecting blocks through fasteners, three movable parts are movably connected among the sliding rails, each movable part is rotatably connected with a first connecting part, and the middle movable part is rotatably connected with a second connecting part. The first connecting piece and the second connecting piece which are adjacent in the middle are rotationally connected, and a partition wall is connected between the first connecting piece and the second connecting piece which are adjacent in a clamped mode. Through the suction cups and the preformed holes, the sliding rail is more convenient to fix and adapts to different installation materials, the complexity and construction difficulty of a fixing mode can be avoided, the connecting blocks can ensure that a plurality of sliding rails can be quickly spliced, extremely high expandability can be provided, and the practicability is high. The partition wall can be flexibly adjusted according to actual space requirements through the movable piece, the first connecting piece and the second connecting piece, the partition requirements of different angles are met, and the adaptive capacity of the partition wall in different environments is enhanced.

The invention relates to an electronic protection device (201) for protecting an electrical and / or electronic system against overvoltage. Reduced space requirements can be achieved by the following features: having a plurality of diode pairs (203) connected in parallel, each diode pair (203) consisting of a unidirectional suppressor diode (204) and a bidirectional suppressor diode (205) connected in series; the invention relates to a circuit board (206) having two mounting surfaces (207, 208) facing away from each other and provided with conductor tracks (217, 218), all unidirectional suppression diodes (204) being arranged on one mounting surface (207) and all bidirectional suppression diodes (205) being arranged on the other mounting surface (208).

The utility model discloses an animal husbandry veterinary isolation cage relates to isolation cage field, including the bottom frame, be equipped with the top frame right above the bottom frame, be equipped with two sets of first side frame and two second side frame between the bottom frame and the top frame, the two sets of first side frame and the two second side frame enclose to form the rectangular frame structure, the two groups of first side frames are symmetrically arranged; the bottom frame comprises a base frame of a rectangular structure, rotating shaft seats are arranged at the four corners of one end face of the base frame, and two limiting blocks are symmetrically arranged at the two ends of the other end face of the base frame. The bottom frame, the top frame, the two first side frames and the two second side frames are combined to form a foldable storage structure, the large-size cage body can be rapidly folded into a small-size state, the occupied space is reduced, operation is easy and rapid, compared with an existing split mounting type isolation cage, the split mounting time can be greatly shortened, and the split mounting efficiency is improved. And meanwhile, the labor intensity of workers is reduced.

A multifunctional bath towel holder comprises a suspension frame and a mounting frame, the mounting frame is arranged at the rear end of the suspension frame, the mounting frame and the suspension frame are fixedly connected, the bath towel holder is externally and fixedly mounted through the mounting frame, a corresponding folding frame is arranged at the front end of the suspension frame, the hanging frame and the folding frame are rotatably connected, and the folding frame can turn up and down relative to the suspension frame along a corresponding rotating shaft. The utility model has the advantages of low space requirement, higher space utilization rate, wider use height range, wider applicable crowd, more complete functions and better practicability, and realizes dry-wet separation storage of upper and lower double-layer spaces.

The utility model relates to the technical field of supporting equipment, in particular to a quick supporting structure for a geological structure belt. According to the technical scheme, the device comprises a bottom plate and further comprises a pair of vertical supporting sliding sleeves fixedly installed on the upper surface of the bottom plate, and telescopic supporting arch frames are arranged at the tops of the vertical supporting sliding sleeves; and the pushing mechanism is arranged on the vertical supporting sliding sleeve to drive the supporting arch frame to move up and down. According to the rapid supporting structure for the geological structure belt, the supporting sliding sleeve, the supporting arch frame, the pushing mechanism, the locking mechanism and other structures are matched, and the height-adjustable supporting arch frame and a rapid locking structure are adopted for the rapid supporting structure for the geological structure belt. The supporting arch frame can move up and down to flexibly adapt to different space requirements; lifting is driven through a mechanical transmission structure, the installation process is simplified, and efficiency is improved; and finally, the mechanical property and safety of the supporting structure are guaranteed through multiple fixing of the locking mechanism.

The invention relates to the technical field of indoor suspended ceilings, in particular to a suspended ceiling system suitable for a fabricated building and capable of being rapidly installed and repaired in a partitioned mode. Comprising a plurality of main keels and a plurality of auxiliary keels, the main keels are detachably connected with a plurality of fixing modules distributed at equal intervals and a plurality of mounting parts distributed at equal intervals, the mounting parts are rotationally connected with symmetrically-distributed connecting rings, the symmetrically-distributed connecting rings are jointly and fixedly connected with mounting blocks, and the mounting blocks are fixedly connected with the fixing modules. A connecting assembly is arranged on the mounting block, and the mounting block is provided with a first fixing block and a second fixing block through the connecting assembly on the mounting block. The auxiliary keel is fixed through relative movement of the first fixing block and the second fixing block, the auxiliary keel is changed into a horizontal state from a vertical state by means of the symmetrical connecting rings, the possibility that the auxiliary keel collides with the adjacent auxiliary keel is reduced, meanwhile, the requirement for the installation space is reduced, installation of narrow areas such as wall edges, wall corners and the periphery of a pipeline is more convenient, and the installation efficiency is improved. And the labor intensity is reduced.

The present invention belongs to the technical field of aerospace equipment, and discloses an unfolding mechanism and a spacecraft, wherein the unfolding mechanism is used for retracting and unreeling a curling arm, and comprises a carrier, a rotating shaft, and a plurality of guide portions. The rotating shaft is rotatably arranged on the carrier, and one end of the curling arm is fixed on the rotating shaft, and the rotating shaft is used for retracting and unreeling the curling arm. A plurality of guide portions are distributed on the carrier along the periphery of the rotating shaft, and the plurality of guide portions are used for providing guidance during the process of retracting and unreeling the curling arm. The curling arm is wound around the rotating shaft, and the curling arm can be unfolded or folded by rotating the rotating shaft, so that the overall structure of the solar wing using the above-mentioned unfolding mechanism is simple and small in size, which can meet the space requirements of small spacecraft. The spacecraft including the above-mentioned unfolding mechanism is small in size and can meet the requirements of miniaturized design.

According to the structural electromechanical pipeline integrated frame and the frame structure integrated device, the frame structure and the pipelines are integrated, so that the assembly rate and the field installation configuration efficiency are improved, and the installation quality is guaranteed; and the pipeline is integrated in the pipeline, so that the space utilization rate can be improved, and the indoor century usable area is expanded. The modular structure and the pipeline design are adopted, certain universality and adaptability are achieved, the system can be widely applied to most house building designs, different space requirements can be met through rapid connection expansion, and rapid communication of pipelines is achieved.

The present invention relates to a wake-up coil for waking up an electrical device, comprising a first coil unit with a first winding extending in a first printed circuit board plane and a second coil unit with a second winding extending in a second printed circuit board plane arranged parallel to the first printed circuit board plane, wherein the first coil unit has a first contact area and a first coil area, wherein the second coil unit has a second contact area and a second coil area, wherein the first winding in the first contact area has a first inner contact inside the first winding and a first outer contact outside the first winding to electrically contact the first winding.wherein the second winding in the second contacting area has a second inner contact inside the second winding and a second outer contact outside the second winding to electrically contact the second winding, wherein the first coil area and the second coil area are arranged overlapping perpendicular to the first printed circuit board plane, wherein the first contacting area is located outside the first coil area and wherein the second contacting area is located outside the second coil area, and wherein the first coil unit is configured to induce a voltage in the second coil unit by passing an electric current through the first winding in order to wake up an electrical device.

The invention belongs to the field of thoracic vertebra posterior surgical instruments, and particularly relates to an intraoperative lifting device for thoracic vertebra posterior surgery, which comprises a steel plate I, a steel plate II, a conical plate I and a conical plate II, the steel plate II is arranged at the rear end of the steel plate I, side frames are fixed on the two sides of the front part of the steel plate II, adjusting grooves are formed in the two sides of the steel plate I, and sliding blocks are arranged in the adjusting grooves; according to the device, the U-shaped block is driven to move outwards by externally rotating the pushing bolt, so that the sawtooth pressing block is separated from the sawtooth fixing strip, the distance between the first steel plate and the second steel plate can be adjusted, the side frame drives the sliding block to slide in the adjusting groove in the adjusting process, and it is ensured that the adjusting process is stable and controllable; and after the required size is adjusted, the pushing bolt is internally screwed to complete fixation. The convenient size expansion and contraction design can adapt to the vertebra spacing difference of different patients and the surgical operation space requirement, the surgical limitation caused by the fixed device size is avoided, and the surgical operation flexibility is improved.

The invention discloses a space-extensible briefcase. The space-extensible briefcase comprises a briefcase body, an extension mechanism, a limiting mechanism, a cover surface and a briefcase cover mechanism, the expansion mechanisms are arranged at two ends of the briefcase body, the limiting mechanisms are arranged at two ends of the briefcase body, the cover surface is arranged at the top of the briefcase body, and the cover mechanisms are arranged at two ends of the cover surface. Compared with the prior art, the briefcase has the advantages that the cover can be driven to be far away from the briefcase body through the pleated surface, so that the storage space between the cover and the briefcase body is enlarged, the limiting belts slide in the limiting grooves at the moment, and the hand-screwing bolts are screwed up, penetrate through the corresponding limiting holes and are screwed into the threaded grooves, so that the storage space is enlarged; the position of the limiting belt is limited and fixed, the storage space between the briefcase bodies is prevented from being continuously expanded, the space of the briefcase is expanded and contracted, the requirement for the use space is met, excessive files and articles can be stored, and the working efficiency of office staff is improved.

The invention relates to a large-span special-shaped section steel structure connecting bridge truss and a construction method thereof, and relates to the technical field of building construction.The connecting bridge truss comprises a plurality of independent trusses, each independent truss comprises a lower chord and two upper chords, the two upper chords are arranged in parallel at intervals, and the lower chords and the upper chords are arranged in parallel at intervals; the lower chord member is positioned between the two upper chord members and is positioned below the upper chord members along the vertical direction; a plurality of diagonal web members are arranged between the upper chord members and the lower chord members, one ends of the diagonal web members are connected with the corresponding upper chord members, and the other ends are connected with the lower chord members; a straight web member is arranged between the two upper chords, and two ends of the straight web member are respectively connected with the corresponding upper chords; the independent trusses are sequentially arranged in the length direction of the independent trusses, the upper chord members in the independent trusses are coaxially welded to the upper chord members in the adjacent independent trusses, and the lower chord members in the independent trusses are coaxially welded to the lower chord members in the adjacent independent trusses. The requirement of the connecting bridge truss for the size of the construction space can be lowered.

The utility model discloses a multifunctional storage cabinet, belongs to the technical field of daily storage cabinets, and solves the problems that a traditional storage cabinet is inconvenient to disassemble and assemble, poor in combination flexibility and insufficient in space adaptability. The storage cabinet is composed of a plurality of independent cabinet body units, and each unit comprises a top plate, side plates, a front plate and a rear plate. The buckle plate grooves in the upper ends of the side plates are matched with the limiting hook holes of the adjacent cabinet body units through the limiting hooks at the tail ends of the hinged buckle plates, so that rapid up-down connection and independent disassembly are achieved. The side plates are hinged through hinges, the top inserting columns are matched with the bottom inserting holes, and assembling is convenient; limiting notches are formed in the two ends of the partition plate to be matched with the hinged positions of the side plates, and stability is enhanced. Detachable side covers are arranged at the bottoms of the side plates to protect the limiting hook holes. The modularized combination is supported, the disassembly and assembly are convenient, a user can adjust the layout by himself / herself, diversified space requirements are met, and practicability and flexibility are both achieved.

This application discloses a joint motor control method, electronic device, and storage medium. By placing a position sensor only in the reducer, the internal structure of the joint is simplified, reducing the space requirement for position sensor installation, thereby reducing assembly difficulty and hardware cost. In cases where reducing the number of position sensors leads to less position detection data and the position sensor detection results lag behind the motion state of the drive motor, joint motion parameters are acquired, including the position parameters collected by the position sensors. Based on the joint motion parameters, a motor rotor angle is generated using a preset virtual axis model. The drive motor rotation is controlled according to the motor rotor angle, which is directly related to the actual position of the load end, ensuring high-precision control of the joint motor.

The application relates to a variable sweep wing stealth aircraft afterbody wedge shape design method, and belongs to the field of aircraft general design and stealth technology. The application is simple and practical in shape; comprehensive design factors are considered, and comprehensive requirements such as variable tail wing rotation, component coupling, stealth principle and aerodynamic resistance are covered; design constraints can be accurately converted into geometric design; variable tail wing rotation, the stealth principle, aerodynamic resistance and component coupling can be effectively converted into afterbody wedge shape point position and line tangent vector control design to be realized; the fusion design of the afterbody wedge and the surrounding curved surface is better realized; under the premise of guaranteeing the variable tail wing rotation space requirement and the binary nozzle requirement, the aerodynamic and stealth shape integration design of the afterbody wedge shape is realized. The application is mainly applied to the scheme design of the afterbody wedge shape of the variable tail wing. The method is novel, ingenious and compact in structure, has strong applicability, has a wide application range, and has a wide application prospect in the design of military aircraft.

The invention belongs to the technical field of structural design, and relates to an integrated composite material cabin airtight structure, a preparation method and a cabin, the integrated composite material cabin airtight structure comprises an airtight wall plate, an annular rib, a floor profile, a floor lower cross beam, a left side wall rib and a right side wall rib which are all in a composite material structural form; the whole airtight wall plate is in a U shape and comprises a floor and a side wall area in the cabin, the inner shape of the airtight wall plate is determined by overall definition, and turning characteristics can be set according to installation and space requirements. The characteristic parameters of the area, turning towards the two sides, of the bottom of the U-shaped airtight wall plate are designed in a composite material intercalation mode, the thickness is increased so that the bearing and load transferring capacity can be improved, and the reinforced corner area can replace a floor edge beam in a traditional metal cabin airtight structure. According to the airtight wall plate, the left side wall, the right side wall and the floor are of the same continuous structure, the airtightness can be well guaranteed without additional treatment, a complete airtight area can be formed by the airtight wall plate, the front end frame, the rear end frame, the opening frame beam and the canopy, and the airtight performance of the whole cabin area is improved.

The invention provides a data sorting method and apparatus, an electronic device and a chip. The method comprises the steps of obtaining a first quantity of to-be-sorted data included in a first sorting task; under the condition that the first number is smaller than the Nth power of 2 and larger than the N-1 power of 2, at least one redundant position is determined, and the sum of the number of the at least one redundant position and the first number is the Nth power of 2; performing mask processing on the at least one redundant position; the first number of to-be-sorted data is sorted to obtain a target sequence, the target sequence is a monotone increasing sequence or a monotone decreasing sequence, and under the condition that the first number is smaller than the N power of 2 and larger than the N-1 power of 2, the position of the to-be-sorted data compared with the redundant position in the first number of to-be-sorted data does not change. According to the technical scheme, when the number of the input data is not the power of 2, parallel sorting of the data can be achieved without filling the data, the sorting efficiency can be improved, and the requirement for the storage space can be lowered.

The utility model provides a compact laminate angle-adjustable connecting device, which relates to the compact laminate technical field, and comprises a first compact laminate and a second compact laminate, the first compact laminate is provided with an angle adjusting assembly, the angle adjusting assembly comprises a fixing block, one end of the fixing block is movably connected with a pressing plate, a double-end gear is arranged between the pressing plates, and the double-end gear is connected with the first compact laminate and the second compact laminate. By arranging the angle adjusting assembly, the lower pressing ring on the first compact laminate is rotated and pressed downwards, the pressure of the lower pressing ring on the pressing plate is reduced, at the moment, a gap exists between the pressing plate and the double-end gear, the double-end gear can be indirectly driven to rotate by rotating the second compact laminate, angle adjustment between the two plates is achieved, and after the angle is adjusted to a proper angle, the double-end gear can be driven to rotate by rotating the second compact laminate. The lower pressing ring is restored to the original position, the fixing effect is achieved, angle deflection caused in the using process is prevented, and therefore adverse effects are avoided, the compact laminate can better adapt to different installation environments and space requirements through angle adjustment, and therefore the space utilization rate and the attractiveness are improved.

This utility model discloses an electric roller belt conveyor with a tensioning structure, including a first outer baffle and a second outer baffle at the end of the first outer baffle. Through the design of telescopic and locking components, this utility model achieves flexible adjustment of the belt conveyor length, enabling it to adapt to different space requirements and solving the problem of traditional equipment being difficult to place due to its fixed length. Combined with a hydraulically driven tensioning roller structure, the belt tension can be quickly and accurately adjusted, effectively preventing belt slack or slippage and improving operational stability. Furthermore, through a splicing auxiliary feeding mechanism, material conveying at the joint between two belt conveyors can be smoothly transitioned, avoiding jamming of square packaging boxes and ensuring a continuous and efficient production process. Compared with existing technologies, this significantly enhances the equipment's spatial adaptability, ease of operation, and conveying reliability, making it particularly suitable for material transport needs in confined spaces or complex working conditions.

The utility model discloses a multifunctional high-pressure pneumatic test system, which belongs to the technical field of test and measurement, solves the problems of large occupied space, complicated test and high cost of the existing high-pressure pneumatic test device, and comprises a universal base, a base switching system, an integrated air supply pipeline and a universal protection cabin system, the universal base is installed on the base switching system, and the base switching system limits transverse movement of the universal base. Different test devices are mounted above the universal base in a sliding manner; the integrated air supply pipeline supplies air to the test devices, and the general protection cabin system can be switched to be connected with different test devices. The system provided by the utility model not only improves the flexibility and efficiency of experimental equipment, reduces the cost and space requirements, but also provides a more economical and convenient experimental solution for scientific research institutions and laboratories, and promotes the progress and application of the experimental technology.

The utility model belongs to the field of mechanical anti-loosening structure design, and particularly relates to a simple bolt type anti-loosening mechanism which is composed of an outer backstop, an inner backstop, a bent bolt and a socket spanner. The outer backstop and the inner backstop are arranged outwards along the periphery of the socket spanner, a blind hole is formed in the bottom of a socket of the socket spanner, and the bent bolt sequentially penetrates through the outer backstop and the inner backstop and then is inserted into the blind hole of the socket spanner, so that the socket spanner is limited. The handle bolt is simple in structure, high in reliability and capable of remarkably improving the anti-loosening effect of the handle bolt and avoiding loosening caused by vibration during use; the anti-loosening workload is reduced, and the working efficiency is improved; the mechanism is simple and small and meets the small-size space requirement of the pressing plate.

The invention discloses a slide rail type space purline angle linkage regulation and control device and a construction method, the slide rail type space purline angle linkage regulation and control device comprises a primary purline, a secondary purline and a regulation and control component, and the primary purline and the secondary purline are connected through the regulation and control component. The invention has the following beneficial effects: the main purline and the secondary purline adopt hollow slender cuboid shapes, the weight is reduced and the material is saved while the structural strength is ensured, and the main sliding rail and the secondary sliding rail provide stable connection and sliding rails for the regulation and control member to ensure smooth and accurate regulation and control. The two ends of the secondary purline are plugged, the regulation and control component can be prevented from sliding off, the regulation and control component is connected with the two fixing pieces through the connecting shaft so that the two fixing pieces can rotate around the shaft, the primary purline and the secondary purline are connected, flexibly adjusted in angular position and firmly fixed through the adjusting nut set, operation is easy and convenient, and connection is reliable. The three parts are matched to achieve linkage regulation and control of the corners of the main purline and the secondary purline, a fixed connection mode is broken, flexible adjustment can be achieved according to space requirements, and the adaptability and practicability of the device in different scenes are greatly improved.

The utility model discloses a tool, and relates to the technical field of vehicles. The tool comprises a base and a supporting assembly, the supporting assembly comprises a support and a workbench, and the support is rotationally connected to the base; the working tables are rotationally connected with the support, the number of the working tables is at least two, the working tables are distributed around the rotating axis of the support, each working table is provided with a fixing piece used for fixing a workpiece, and each working table can rotate to an operation station in a switchable mode. According to the tool provided by the embodiment of the utility model, a plurality of different working surfaces can be integrated, and the tool equipment does not need to be frequently replaced or adjusted, so that the investment cost and the storage space requirement of the tool are reduced, and the production benefit is improved.

The invention relates to a positioning mechanism, a glass assembly, an edge covering forming device and a preparation method of the glass assembly. The positioning mechanism comprises a positioning structure, a cavity is formed in the positioning structure, the positioning structure is provided with a positioning surface, an adsorption hole communicated with the cavity is formed in the positioning surface, and the positioning structure is further provided with a matching hole communicated with the cavity. The vacuumizing assembly communicates with the matching hole and is used for vacuumizing the cavity through the matching hole. According to the positioning mechanism, the fixing effect on the insert in the injection molding process is improved, the limiting reliability is improved, the insert is prevented from being deviated by being punched by a molten material to cause material leakage or glass assembly scrapping, meanwhile, through the mode of fixing the insert through vacuumizing, the adaptability to the material of the insert is high, the shape of a formed covered edge cannot be affected, and the production efficiency is improved. And the vacuumizing mode has low space requirements, and the application range of the insert limiting mode can be widened.

The invention discloses a rapid steering control method suitable for recovery of a semi-submersible vehicle, and belongs to the technical field of recovery of underwater vehicles. The problems that in the prior art, the turning radius is large, the track is long, consumed time is long, the operation space requirement is high, and safety is insufficient are solved. The method comprises the steps that a steering starting point is planned, and after sailing to the starting point, full rudder is achieved at the lowest rotating speed till stable rotation is achieved; power of propellers is cut off when an empty vehicle is executed, and small-radius steering is achieved through pure inertia sliding; observing a bow lifting state and adjusting a rudder angle; when being in the same direction with the mother ship, the ahead vehicle recovers power and depth; and finishing recovery after fine adjustment. Through time sequence cooperation of full rudder, empty vehicle and ahead vehicle, the characteristics of eliminating thrust interference and keeping rudder control by using the empty vehicle are utilized, rapid small-radius steering is achieved, and the advantages of shortening operation time, reducing space requirements and improving fuel economy and safety are achieved.