46results about How to "Safe docking" patented technology

The invention relates to a cable-controlling submersible vehicle capable of efficiently withdrawing an AUV underwater. The cable-controlling submersible vehicle comprises supporting frames and buoyancy blocks, wherein the supporting frames and the buoyancy blocks are symmetrically mounted on the two sides of an AUV docking mechanism. The buoyancy blocks are fixed to the tops of the supporting frames. Each buoyancy block is provided with a plurality of horizontal propellers and vertical propellers, a camera with a lamp is mounted at the front end of each buoyancy block, a sonar system is mounted at the top of the buoyancy block on one side, and a laser communication unit is mounted at the top of the buoyancy block on the other side. The AUV docking mechanism comprises an outer support and an AUV garage fixed into the outer support. A funnel guiding port is mounted at the front end of the AUV garage, and the AUV docking mechanism is fixedly connected with the buoyancy blocks on the two sides through the outer support. The cable-controlling submersible vehicle carries the AUV docking mechanism to adjust the depth, direction and gesture of the AUV docking mechanism, and has the advantages that the AUV docking success rate is high and the docking process is safe. The outline structure of the cable-controlling submersible vehicle can be adjusted, the AUV docking mechanism can be easily replaced with AUV docking mechanisms of different sizes in a modular mode, and thus the cable-controlling submersible vehicle has the advantage of high adaptability.

The invention discloses an embedded type cabin section axial horizontal butt joint device which comprises a bottom support frame, a horizontal guide rail, an angle brace, a first cabin section mounting frame, a first embedded cabin section support module, a second embedded cabin section support module, a ball screw mechanism and a second cabin section support module, wherein the first cabin section mounting frame is used for installing a first cabin section; the first embedded cabin section support module and the second embedded cabin section support module are used for supporting an embedded type cabin section in a way of cooperation and adjusting the height of the embedded type cabin section so as to guarantee an interface of the embedded type cabin section to be aligned with an interface of the first cabin section; the ball screw mechanism is used for driving the two support modules to support the embedded type cabin section together to enable the embedded type cabin section to move closely to the first cabin section so as to complete axial horizontal butt joint, and is used for driving a second cabin section arranged on the second cabin section support module to move closely to the first cabin section so as to complete the axial horizontal butt joint of the three cabin sections. The invention also provides an embedded type cabin section axial horizontal butt joint method. After the device and the method are adopted, radial small-gap embedded type cabin section butt joint can be realized; the device and the method are convenient to operate and high in work reliability.

A gripping mechanism for replacing spatial on-orbit modules relates to a gripping mechanism for replacing spatial modules, and aims to solve problems that an existing gripping mechanism for replacing spatial on-orbit modules is complex in structure, single in function, large in volume, heavy in weight and low in positioning precision and is inflexible. A stepping motor is mounted in a driving rack, a transition plate is connected onto an upper end surface of the driving rack, a conical positioning piece is disposed on the upper end surface of the transition plate, a driven rack is covered on the outer portion of the conical positioning piece, two positioning columns arranged radially are symmetrically mounted on the lower portion of the conical positioning piece, the upper end of a screw is connected with the conical positioning piece in a threaded manner, a wedge-shaped slider is connected onto the screw, the lower end of the screw is connected with the stepping motor, second notches are arranged on the conical positioning piece, tubular columns are mounted on the tops of the second notches in a clamped manner, conveying pipes are communicated with counter bored holes of the tubular columns, inclined surfaces of the tubular columns are abutted to the wedge-shaped sliders, and a spring is arranged between each of catches and the conical positioning piece. The gripping mechanism is used for on-orbit module service for a spacecraft and on-orbit connecting tasks.

The invention discloses a multi-degree-of-freedom missile bay section butt joint device. The multi-degree-of-freedom missile bay section butt joint device comprises a vehicle body and a butt joint system. The vehicle body comprises a vehicle frame and wheels. The wheels are installed under the vehicle frame. The butt joint system is installed on the vehicle frame and comprises lifting mechanisms, posture adjustment mechanisms, feeding mechanisms and supporting mechanisms. The lifting mechanisms used for lifting missile bay sections are fixed to the vehicle frame. The lifting mechanisms are sleeved with one ends of the posture adjustment mechanisms, and the other ends of the posture adjustment mechanisms are connected with the feeding mechanisms. The supporting mechanisms are installed on the feeding mechanisms. According to the multi-degree-of-freedom missile bay section butt joint device, the advantages of a hoisting butt joint mechanism and the advantages of a lead screw and nut butt joint mechanism are combined; a flexible butt joint form is adopted, and adjustment of the butt joint postures of the missile bay sections is achieved through ball hinge assemblies and limiting assemblies; operation is flexible and easy, and butt joint can be achieved rapidly, safely and reliably; in addition, the structure is simple, and the manufacturing cost is low; the butt joint system is installed on the vehicle frame, thereby being suitable for being transferred from one site to another site.

The invention discloses a multifunctional adjustable monkey chair, comprising a chair space surrounded by a lateral plate, a front plate and a back plate and allowing an experimental animal entering inside, and an upper plate and a head fixing plate installed above the chair space, wherein a plurality of fixing grooves are installed on the inner side of the lateral plate, and a groove is opened on the inner side of the fixing groove for installing matched plug-in units; and a rotary fixed element is installed on the outer side of the lateral plate and connected with a positioning rack for adjusting the position of the positioning rack. The monkey chair can be adjusted according to experimental conditions; and is suitable for scientific experiments on primates with different ages and shapes. The inventive monkey chair has the advantages of good commonality and convenient installation.

The invention discloses a sampling drilling tool with a coring tube of a multi-rod deep sampler. The sampling drilling tool comprises a drill pipe, the coring tube and a drill tool butt joint component, wherein the drill tool butt joint component comprises a force transmission joint, a coring tube butt joint, a drill pipe butt joint and a butt joint spring, the coring tube is of a thin-wall cylindrical structure, the inner wall of the coring tube is a smooth equal diameter cylinder, anti-falling covers are respectively installed at the bottom and the top of the inner wall, samples enter from the anti-falling covers, the anti-falling covers prevent the samples from falling; the interior of the drill pipe is a cylindrical cavity, a cylindrical cavity is arranged at the lower end of the top end joint of the drill pipe, two symmetrical grooves are axially formed in the cavity, the upper section of the joint is conical, the top of the cone is a circular bead, two symmetrical bulges are arranged in the cylindrical cavity at the bottom end of the drill pipe and are matched with symmetrical grooves of the top joint of other drill pipe, and the bottom end of one drill pipe is locked together with the top end of other drill pipe through a steel ball. By adopting the manner of butt joint by multiple drilling tools, the sampling drilling tool realizes deep sampling, and each drilling tool can be reused.

The invention discloses a rotating joint, a loading arm with the rotating joint and loading equipment with the loading arm. A plurality of radial bearings (5) and/or thrust bearings (4) are installed between a rotating core (3) of the rotating joint (12) and a shell (2). The rotating joint (12) is arranged at the lower end of an inner revolving arm (13) of the loading arm. One end of an outer revolving pipeline (16) is connected with the inner revolving arm (13) through a rotating unit (15). A bearing (24) of the loading equipment is connected with a three-way joint (20) through a shaft (29). A rapid joint (25) is connected with a movable pipeline (17). The loading equipment can be rotated at will in the vertical direction and the horizontal direction through the rotating joint (12) and the rotating unit (15) formed by the rotating joint (12), the rapid joint (25) can be flexibly adjusted to the needed loading position, and the loading equipment is high in pressure resistance, safe, reliable and long in service life.

The invention relates to a construction method of a bell and spigot concrete pipe. The construction method effectively solves the problems that in the butt joint installation process of an existing bell and spigot concrete pipeline, operation is inconvenient, and pipeline collision is likely to be caused to cause damage. According to the technical scheme, after a to-be-installed pipeline is placedinto an excavated and leveled tunnel, through mutual cooperation of an expansion rod and a Z-shaped rod, when the to-be-installed pipeline is away from an installed pipeline by a certain distance, the effect of accurate alignment of the to-be-installed pipeline and the installed pipeline can be achieved, and then butt joint is achieved through an electric push rod. Compared with a traditional manner that alignment can be completed by moving the to-be-installed pipeline to the position close to the installed pipeline, the situation that in the alignment process of the pipeline, collision is likely to happen due to the close distance, and consequently damage is caused is further reduced, and the butt joint process of the pipeline is safer and more reliable.

The invention relates to a large-diameter steel pipe butt joint construction technology in pipeline installation engineering, in particular to a large-diameter steel pipe self-made counterpart butt joint construction method. The invention solves the problems of high construction cost, low construction efficiency, high construction difficulty and poor construction safety in the traditional large-diameter steel pipe butt joint construction technology. The butt joint construction method of large-diameter steel pipes with self-made counterparts is realized by the following steps: a. Production of counterparts: first, select two arc-shaped stirrups with the same size; then, in each arc-shaped stirrup N radial clips are welded on the inner surface of each, and the N radial clips are arranged equidistantly along the circumference; then, a connecting rod is selected, and the two ends of the connecting rod are respectively connected with two arc-shaped hoops. The first ends of the ribs are hinged, and two arc-shaped stirrups, 2N radial clamps and connecting rods together form a hoop; b. Butt joint of large-diameter steel pipes. The invention is applicable to various pipeline installation projects.

The disclosure relates to a method for guiding a pilot of an approaching aircraft to a stop position at a stand, said method being characterized by: monitoring a position of the approaching aircraft within a volume at the stand, comparing said monitored position with a first area, said first area enclosing the stop position, comparing said monitored position with a subsection of the first area enclosing the stop position, if said monitored position is inside said subsection: transmitting information to a display to show an indication to the pilot to proceed approaching the stand, and if said monitored position is inside the first area but not inside said subsection: transmitting information to the display to show an indication to the pilot to stop the aircraft. The disclosure further relates to an aircraft docking system.

The invention relates to a prefabricated foundation pit for additionally installing an elevator and a construction method. According to the technical scheme, the prefabricated foundation pit comprisesa foundation pit main body, slope surfaces, a steel bar frame, a concrete cushion layer, a lifting ring, a grounding connecting plate and a column foot anchor bolt. According to the prefabricated foundation pit, the whole foundation pit is used as a prefabricated part, modular design and manufacturing are formed outside a construction site, and quality control is facilitated; the two slope surfaces are arranged on the foundation pit main body, on one hand, concrete pouring during foundation pit main body manufacturing is facilitated, and on the other hand, the effects of flow guiding and drainage can be achieved in the later period; the whole prefabricated foundation pit is simple in structure, construction is conducted in a hoisting installation mode, construction is facilitated, and thetrouble of carrying out a large amount of concrete pouring work on the construction site is omitted; and the time for waiting for concrete curing is not needed, the construction time is saved, the construction cost is reduced, butt joint is rapid, safe and reliable, and the influence of site construction on the site environment and surrounding residents can be effectively reduced.

An element for use in a watercraft is provided comprising a first rotatable support member mounted on the element such that the position of the first rotatable support member relative to the element can be varied by a user. A floating dock comprising at least one element is also provided.

The invention relates to a GIS flange butt joint omni-directional lead-in device and method. The device comprises a positioning assembly and a guide assembly, wherein the positioning assembly is composed of more than three positioning pins, and the guide assembly is composed of more than three flexible guide rods. The positioning pins and the flexible guide rods are matched and used in a one-to-one correspondence mode. One end of each positioning pin is a cylindrical section, and the other end is a conical section. A metal ring is arranged at the end of the conical section, and metal fixing pieces are arranged at the two ends of the flexible guide rod. A G-shaped hook is arranged at the end of one of the metal fixing pieces and is used for being connected with a metal ring on the positioning pin in a hanging mode. Two stop pins are arranged on the two sides of the end of the other metal fixing piece. According to the device and method, the guide rod set and the positioning pin set areutilized, and precise, rapid and safe butt joint of a GIS flange is realized through a three-section introduction process. The device is simple in structure, the method is simple and feasible, and high practical application value is achieved.

The invention relates to the technical field of airport ground equipment, and particularly relates to an automatic leveling device for a conveying platform and a loading machine. The automatic leveling device for the conveying platform comprises a main platform and a bridge platform, and an automatic leveling mechanism is arranged between the main platform and the bridge platform; and the automatic leveling mechanism comprises baffles, a supporting plate, a low-position sensor, a leveling sensor, a high-position sensor and an ultrahigh shutdown protection sensor, at least one baffle is arranged between the main platform and the bridge platform, the supporting plate is arranged on the main platform, one end of the supporting plate is exposed out of the main platform and arranged below the baffles, and the baffles are hinged to the bridge platform. One end of each baffle faces the supporting plate and is provided with a low-position sensor, and a following sensor, a leveling sensor, a high-position sensor and an ultrahigh shutdown protection sensor are arranged between the other end of the baffle and the bridge platform. The loading machine comprises a chassis, and the automatic leveling device for the conveying platform is arranged on the chassis. The butt joint height of the main platform and the bridge platform is consistent, butt joint is stable and safe, and the cargo conveying efficiency is high.

A method for arranging and discharging the lower shell of the seismic source charge column shell, which includes a lower shell device for the source charge column shell and a rotary discharging device for the seismic source charge column shell, and the lower shell device for the seismic source charge column shell includes a frame body, a vibrating lower shell Shell assembly, shell pushing assembly, shell closing assembly and pads, the vibration lower shell assembly includes the source powder shell material box, the lower shell electric slide table and a set of partitions, and the lower shell electric slide table is provided with a pair of The slide block and the track of the lower shell electric slide table are fixedly installed on the frame body; the invention provides a method for arranging the lower shell of the seismic source charge shell, which can realize the automatic upper shell of the emulsion explosive seismic source charge shell, and It is convenient to connect with the seismic source grain charging machine, has a high degree of automation, is safe and reliable, and has good practical value.

The invention discloses an integration device for a travelling crane moving track which comprises a travelling crane and is characterized by further comprising two rail connecting assemblies arranged in a bilateral symmetry mode, a movable track, a plurality of movable rail supporting pieces and a plurality of movable track connecting pieces. Multiple connecting plates are arranged on the travelling crane. Each track connecting assembly comprises a crane track, a crane track supporting beam, a fixed track and a fixed track supporting piece, the crane track is installed at the upper end of the crane track supporting beam, the fixed track supporting piece is installed at the lower end of the crane track supporting beam, and a fixed track is installed on the fixed track supporting piece; the traveling crane is installed on the traveling crane tracks of the two rail connecting assemblies, the upper portion of each movable track connecting piece is connected with the connecting plate, the lower portion of each movable track connecting piece is connected with the corresponding movable track supporting pieces, and the movable tracks are installed on the movable tracks supporting pieces. The invention is novel in structure, rapid and accurate in track integration, safe and reliable.