369results about "Dry-docking" patented technology

The invention belongs to the technical field of underwater operation, and relates to a maintenance device for a lower hinged support of a dock gate and a construction method thereof. The device comprises a waterproof cover box, a diving barge, a hoisting system and a drainage assembly, the waterproof cover box comprises a cover body and a channel well, openings are formed in the bottom and the top of the cover body, the bottom face of the cover body is in sealed compression joint with the surrounding structure of the lower hinged support to be maintained, the channel well is connected to the opening in the top of the cover body in a sealed mode, and the top face of the channel well is higher than the water surface. The diving barge is provided with a plurality of hydraulic supporting legs capable of ascending and descending so that the diving barge can be supported in the horizontal door pit. The hoisting system comprises a tower frame and an arm frame which are arranged on the diving barge, and one end of the arm frame is located above the cover body and connected with the cover body in a pressing mode; the drainage assembly comprises a submersible pump and a drainage pipe, the submersible pump is arranged in the cover body, one end of the drainage pipe is connected with the submersible pump, and the other end is led to the water surface through the channel well. According to the method, a stable dry operation environment can be rapidly constructed at the dock gate lower hinged support to be maintained, rapid maintenance is achieved, pollution to a sea area is avoided, and operation safety is improved.

The invention discloses a marine mooring seat positioning device and a positioning and mounting method, the marine mooring seat positioning device is used for assisting in mounting a mooring seat, the mounting precision of the mooring seat is effectively improved, and rapid mounting of the mooring seat is achieved. Meanwhile, the mooring seat positioning device for the ship can assist in installing the mooring seat and can also detect the installation precision of the mooring seat so as to ensure that the bottom of the mooring seat accurately extends out of a deck by 3 mm.

The utility model discloses an assembly type steel structure cofferdam, and relates to the technical field of cofferdams. The dock comprises a dock body, a plurality of water baffles are inserted into the inner wall of the dock body in a sliding mode, and a plurality of dock gate hinged supports are fixedly installed on the inner wall of the dock body. When the water retaining device is used, a user firstly removes the gate, the connecting rings are connected with an elevator, then a plurality of water retaining plates are sequentially placed on the inner wall of the dock body, and the water retaining plates are limited through the limiting mechanisms, so that water outside the dock body can be blocked; then water drainage operation is conducted on the interior of the dock cofferdam through water drainage holes in the surface of the dock cofferdam, after water drainage is completed, a user can replace the dock gate hinged support, and after using is completed, the user can replace the dock gate hinged support by releasing limiting of the multiple water baffles through a limiting mechanism; and the plurality of water baffles can be used for the second time after being pulled out through the connecting rings, so that the practicability of the device is fully embodied.

The invention relates to the technical field of dock and immersed tube dry dock building, in particular to a dock gate structure, a dock gate system and a dock gate mounting method.The dock gate structure comprises a dock gate which is of a grillage structure; the supporting frame is used for supporting one side of the dock gate through a plurality of jacks, and the supporting frame can be detachably separated from the dock gate. According to the dock gate structure, the support frame which is detachably connected is arranged on one side of the dock gate to provide external support for the dock gate and share partial stress, so that the dock gate can be designed into a lighter grillage structure, and the volume of the dock gate is greatly reduced. After being prefabricated, the dock gate can be in a flat state on the water surface to be hauled, and due to the fact that the size and draught are greatly reduced, the requirement for the channel depth is reduced. After being hauled to the site, the device is assembled with the supporting frame for use, so that the overwater operation processes such as floating transportation and installation are simpler, more convenient and more efficient, and the engineering construction efficiency is greatly improved.

The invention discloses a ship building supporting tool which comprises a first supporting assembly, the first supporting assembly is connected with a second supporting assembly and drives the second supporting assembly, the second supporting assembly is connected with a third supporting assembly and drives the third supporting assembly, and the third supporting assembly is connected with a supporting platform. And the supporting platform is driven. According to the technical key points, the first hydraulic cylinder, the second hydraulic cylinder and the third hydraulic cylinder jointly form a driving part, the supporting height of the supporting tool can be flexibly adjusted only by controlling the telescopic stroke of the driving part, automatic adjustment can be achieved according to actual use requirements, the flexibility of the supporting tool in the use process is improved, and the working efficiency is improved. After the supporting tool is used, the supporting tool does not need to be disassembled, all that is needed is to control all the driving components to enable the supporting tool to be in a folded state, when the supporting tool is used, on-site assembly does not need to be conducted, all that is needed is to control all the driving components to enable the supporting tool to be unfolded by a specified height.

An inflatable dock includes a docking platform with an inflation interface, a pair of arms, and an indentation positioned between the arms, a perimeter edge having a plurality of edge handles, a water-contacting surface opposing the docking platform and with the perimeter edge positioned between the docking platform and the water-contacting surface, an integrated ramp system positioned within the indentation and including a ramp structure with a plurality of ramp steps with at least two of the steps being weighted, and a plurality of attached metallic rings.

The utility model belongs to the technical field of ships, and particularly relates to a launching barge anchoring equipment reinforcing structure which comprises a launching barge. The launching barge comprises a buoyancy tank in the middle and buoyancy towers arranged at four corners of the buoyancy tank; anchoring equipment is arranged on the buoyancy tank, the anchoring equipment is used for fixing the launching barge in a water area, and the buoyancy tank comprises a buoyancy tank deck and a buoyancy tank end sealing plate; a fixing reinforcing device is arranged on the anchoring equipment and used for reinforcing the anchoring equipment. By arranging the anchoring equipment, when a ship is berthed, the anchoring equipment can fix the ship at a preset position and prevent the ship from drifting due to external force such as stormy waves, the structural strength of the anchoring equipment can be enhanced by arranging the fixing and reinforcing device, more loading force can be borne, and falling and damage caused by insufficient structural strength are prevented; the safety of the ship is influenced. The stable, safe and controllable operation of the ship entering and exiting the launching barge and the sinking and floating process is ensured, and the reinforcing structure of the launching barge anchoring equipment is reliable.

The utility model relates to the technical field of docks, in particular to a liftable unmanned dock which comprises a base, a floating block and a lifting device. The base comprises a plurality of base columns arranged in the vertical direction and a base table fixedly connected with the base columns, and the base columns are fixed to a riverbed. The floating block is installed between the multiple foundation pillars, a placement cavity is formed in one side of the floating block and suitable for containing the unmanned ship, and a charging base matched with the unmanned ship is installed at the bottom of the placement cavity. The lifting device is installed between the floating block and the base column so that the lifting device can drive the floating block to move in the length direction of the base column. When the water level heights are different in the wet season and the dry season, the lifting device can correspondingly adjust the height of the floating block. The unmanned dock has the effect that the unmanned dock adapts to different water levels to supply power to the unmanned ship.

The utility model discloses a dock gate sealing structure, and relates to the technical field of maritime work equipment structures. Comprising a first sealing piece, the first sealing piece is installed on the dock side of a dock gate body in the working state, and the first sealing piece is used for sealing a gap between the side wall of the dock gate body and a sealing face of a dock entrance structure; the second sealing piece comprises a water seal section and an installation section which are connected, the installation section is installed on the water facing side of the dock gate body in the working state, and the installation section can seal a gap between the water seal section and the dock gate body; in the installation state, the water seal section abuts against the sealing face of the dock entrance structure all the time. According to the dock gate sealing structure, sundries entering the space between the dock gate water seal and the sealing face can be reduced, so that the service life of the sealing piece is prolonged, meanwhile, double-layer sealing is arranged, the sealing performance is good, and the water stopping efficiency and the safety coefficient of the dock gate sealing structure are improved.

The welding support comprises a connecting mechanism and two supporting frames, the connecting mechanism comprises a base and a driving mechanism arranged on the base, the driving mechanism is used for driving the two supporting frames to synchronously and oppositely move in a reciprocating mode relative to the base, and first supporting pieces with adjustable angles are arranged at the tops of the supporting frames; through the arrangement of the connecting mechanism, the two supporting frames of the welding support can be kept in the center symmetry state of the base all the time, the distance between the two supporting frames is rapidly adjusted, the two supporting frames support the ship with the same acting force, and the bearing angle of the ship can be adjusted by combining the angle adjustment of the first supporting piece relative to the supporting frames; the strength of the welding support and the stability of ship supporting can be improved, the driving mechanism can be driven by a two-way lead screw, operation is easy, the two supporting frames can be used in a combined or independent mode, and the using flexibility and using efficiency of the welding support are improved.

A steel structure supporting frame assembled according to standard knot combination comprises a stand column assembly and a supporting assembly used for providing a supporting height for the stand column assembly, the supporting assembly comprises the standard knots which have different heights and are sequentially connected, and a transfer beam used for installing the standard knots is arranged at the bottom of the supporting assembly; the stand column assembly comprises a stand column and an I-shaped transfer beam used for supporting the stand column. The supporting assembly is composed of at least one standard knot. Compared with the prior art, the number of the standard knots can be adjusted according to the actual supporting height, and the number of the standard knots with different sizes can be adjusted to meet the actual supporting height, so that the supporting requirements of different heights are flexibly met, field cutting is not needed, and the construction efficiency and flexibility are greatly improved; the problem that in the prior art, a supporting frame is not matched with the needed supporting height is solved, and the risks of size errors and bearing capacity reduction caused by cutting are reduced.

The utility model relates to the technical field of unmanned docks, in particular to a positioning dock system which comprises a floating block, a ship body and a positioning assembly. A placement cavity is formed in the floating block, and a charging base is installed on the bottom wall of the placement cavity. The ship body is located in the containing cavity, a charging port is formed in the stern of the ship body and corresponds to the charging base, and positioning holes are formed in the two sides of the bow of the ship body. The positioning assembly comprises fixing seats, driving parts and telescopic rods, the fixing seats are fixedly connected to the floating block and installed on the two sides of the ship body, the driving parts and the telescopic rods are installed in the fixing seats, and the driving parts drive the telescopic rods to face the interior of the containing cavity so that the telescopic rods can be arranged in the positioning holes in a penetrating mode. Through cooperation of the positioning hole, the fixing base, the driving piece and the telescopic rod, when the ship body needs to stop, the telescopic rod is directly arranged in the positioning hole in a penetrating mode to lock the ship body. The method has the effect of facilitating docking of the unmanned ship.

The invention relates to the technical field of dock gates, in particular to a buoyancy tank type dock gate which comprises a dock main body, a dock entrance is formed in the dock main body, a dock gate main body is arranged in the dock entrance, and limiting mechanisms facilitating auxiliary fixing are arranged on the two sides of the dock gate main body. The bottom of the dock entrance is provided with a positioning mechanism facilitating auxiliary positioning sinking of the dock gate body, the lifting groove is formed in the bottom of the dock entrance, the bottom groove is formed in the bottom of the lifting groove, the lifter is fixedly connected to the interior of the bottom groove, and the bracket is fixedly connected to the top of the lifter. According to the floating box type dock gate, a lifting machine, a bracket and a clamping plate are installed in a lifting groove and a bottom groove formed in the lower portion of the dock gate body, the clamping plate is connected with the bracket through a limiting rod and a push-pull rod, meanwhile, the inner end of the push-pull rod is connected with a second push arm, a connecting base and a linkage shaft, and the linkage shaft is connected with a telescopic cylinder through a second push plate; the clamping plates on the two sides of the bracket can be conveniently controlled to be opened and closed.

The invention relates to the technical field of unmanned ship charging devices, in particular to an autonomous charging dock for linkage patrol unmanned ships and a charging method. The charging dock comprises a floating bank layer, a bottom plate layer and a charging layer, the floating bank layer is provided with a floating plate, the floating plate floats on the water surface, a charging notch is formed in one side of the floating plate, lifting mechanisms are arranged on the floating plate on the two sides of the charging notch, and a fixing frame is arranged on the floating plate at the inner end of the charging notch; the bottom plate layer comprises a lifting plate, the lifting plate is located at the charging notch of the floating plate, and the lifting mechanism is in driving connection with the lifting plate; the charging layer comprises a floating electromagnet and a fixed magnetic attraction charging head, the floating electromagnet is installed on the fixing frame in a sliding mode in the vertical direction, and the fixed magnetic attraction charging head is fixed to the end of the fixing frame. The problems that in the prior art, a dock is complex in structure, poor in anti-interference performance, insufficient in charging stability and the like are solved.

The invention provides a method for constructing a methanol cabin section of a methanol power container ship engine room shed. The method comprises the steps that the methanol cabin section is divided into a first platform middle assembly, a second platform middle assembly and a top enclosure bulkhead small assembly; the first platform middle assemblage, the second platform middle assemblage and the top enclosure bulkhead small assemblage are built; and the first platform middle assembly and the second platform middle assembly are overturned to normal states, the first platform middle assembly is positioned and placed on the jig frame, then the second platform middle assembly is positioned and installed on the first platform middle assembly, and finally the top enclosure bulkhead small assembly is installed on the top of the second platform middle assembly. By the adoption of the method, smooth subsection building can be achieved, subsection building difficulty is lowered, subsection building precision is guaranteed, and construction efficiency is improved.

The application relates to the field of dock management, and relates to an intelligent dock device and management system based on an AI unmanned ship, which comprises the following modules: a data interaction module, which is used for acquiring network system parameter information, constructing a wireless transmission network based on the network system parameter information, and performing data interaction control according to an interaction request of an unmanned ship based on the wireless transmission network; a sinking and floating control module, which is used for performing centralized overall evaluation on a pre-installed intelligent dock device according to the interaction request based on the wireless transmission network, acquiring an evaluation result, and performing sinking and floating control on the intelligent dock based on the evaluation result; a battery monitoring module, which is used for performing charging and discharging monitoring on a battery module of the intelligent dock through a cloud platform based on the wireless transmission network and the interaction request, and acquiring a monitoring result; and a control management module, which is used for performing control management on the intelligent dock through the cloud platform system according to the evaluation result and the charging monitoring result, so that the sinking and floating of the dock is accelerated and the work efficiency is improved.

To provide a mobile dock capable of realizing a dry dock regardless of environments.SOLUTION: A mobile dock comprises a floating body unit extending in the horizontal direction, a side wall part rising from the floating body unit and also forming a dock space on a floating body, capable of accommodating a ship, an opening / closing part movable between the opening position to open the dock space horizontally and the closing position to block / close the dock space horizontally, and a drainage part capable of draining the water in the dock space outside the dock space. As a result, the inside of the dock space can be used as a dry dock.SELECTED DRAWING: Figure 1

A system for manufacturing shells of a ship, the system comprising: an array of elongate supports; and a plurality of diaphragms each configured to extend across (a row or column of) the array of supports, and shaped to receive a shell of a ship to define a selected curvature of the shell, wherein each diaphragm is removably attachable to two or more of the elongate supports to support the corresponding diaphragm.

The triangular crawler-type amphibious sand cleaning ship comprises a ship body and is characterized in that a sediment storage bin is arranged on the rear portion of the ship body, a two-section type rear door plate is arranged on the rear portion of the sediment storage bin, and the rear door plate is connected through a hinge to form an upper door plate and a lower door plate; the upper door plate can rotate backwards by a specific angle, serves as a silt storage bin rear door when closed, serves as a balancing weight to enhance operation stability during silt cleaning and excavating operation, and serves as a belt conveying mechanism supporting bottom plate when entering a dock to unload silt. A triangular crawler-type walking mechanism is arranged at the bottom of the ship body and comprises a crawler belt, a driving gear and three driven gears, and the angle of a main shaft connected with the driving gear is adjustable so as to adapt to different bank slope angles; the assorted dock adopts an amphibious structure, can be deployed on a dock close to the shore or a smooth shore in water, and is adapted to various scenes such as a reservoir hydro-fluctuation belt, a shoal, a bank slope and the like for operation.

A relocatable quay includes a deck that is relocatable in a body of water adjacent a stationary quay. The deck is positioned at the stationary quay to receive a floating unit. The relocatable quay also includes an elevator system positionable to raise and lower the deck to receive the floating unit from the stationary quay and to deploy the floating unit into the body of water.

A floating quay 202 includes a deck 204 relocatable in a body of water 122 adjacent a stationary quay 200 to receive one or more floating units 102. The deck includes a gradual slope from an elevation

The utility model discloses a triangular cabin machining and transporting platform which comprises a site, a plurality of combined jig frames are arranged on the site in parallel, and consignment channels are formed among the combined jig frames. The combined jig frame comprises a pair of bottom plates arranged in parallel, lower connecting plates are arranged on the left sides and the right sides of the bottom plates to connect the bottom plates to form a base, vertical plates are longitudinally arranged at the four corners of the base, upper connecting plates are arranged between the vertical plates to be fixedly connected with cross beams, multiple pairs of supporting plates are arranged between the cross beams and the bottom plates, and an upper reinforcing plate is arranged between each pair of supporting plates. Supporting rods are respectively arranged in the middles of the upper connecting plate and the upper reinforcing plate, and inclined reinforcing plates are respectively arranged on the left and right sides of the upper connecting plate and the upper reinforcing plate and at the bottoms of the supporting rods. According to the utility model, the operation time of tire loading and unloading or turning over of the triangular cabin can be effectively reduced, the use of workshop infield tire positions and crane resource occupation are avoided, a flat car can conveniently and directly fork and transfer instead of hoisting transfer, the utilization rate of large equipment is improved, and the sectional manufacturing period of the triangular cabin is shortened.

The invention discloses a marine double-layer supporting wood structure and a production process thereof. The technical problem that in the limiting technology, double-layer supporting wood is poor in anti-shearing capacity is solved. The marine double-layer supporting wood structure comprises two supporting plates which are connected in a gluing mode; the connecting column is arranged between the two supporting plates; the connecting grooves are formed in the sides, close to each other, of the two supporting plates; the two ends of the connecting column are in tight insertion fit with the connecting grooves in the corresponding supporting plates respectively. The anti-shearing capacity of the double-layer supporting wood can be improved, and therefore the structural strength and the bearing capacity of the double-layer supporting wood are improved.

The application relates to a method for rapidly building a dock, which comprises the following steps: S01, preparation before building; S02, loading a first aft half ship and a second aft half ship in the dock to complete half ship loading; S03, opening the dock gate to let water in; S04, taking the second aft half ship out of the dock and parking the second aft half ship at a wharf; S05, closing the dock gate, pumping water and washing mud, and performing whole ship building on the first aft half ship; S06, improving the half ship integrity state during the period when the second aft half ship is parked at the wharf; S07, parking the first ship at the wharf after the first ship is taken out of the dock, and performing whole ship building on the second aft half ship; and S08, realizing whole ship building and taking the second ship out of the dock in a dock period. The application has the effects of fully utilizing dock resources, compressing the dock period and realizing the control of shipbuilding cost.

The invention belongs to the technical field of ship construction, and discloses a ship pier leveling method and a ship pier leveling system. The ship sitting pier leveling method comprises the steps that S1, supporting frames are arranged at the positions, corresponding to the two sides of a ship body, of the bottom of a dock chamber correspondingly; s2, the ship body is hauled to a dock chamber, water in the dock chamber is discharged, and the ship body falls onto a docking block and a supporting frame at the bottom of the dock chamber; s3, the height of the supporting frame is adjusted, so that the ship body is in a horizontal state; s4, a cushion block is arranged in a gap between the ship body and the docking block; and S5, high-position supporting plates are erected between the two sides of the ship body and the bottom of the dock chamber. According to the ship sitting pier leveling method, ballast water in a ship body does not need to be used for repeated adjustment, the leveling efficiency and the adjusting precision are effectively improved in the mode that the supporting frames on the two sides are used for adjustment, and therefore the overall building or maintaining speed of a ship is greatly increased.

The invention discloses a telescopic movable supporting tool which comprises a base, a middle sliding rod is arranged on the base in a sliding mode, the middle sliding rod and the base are fixedly connected through two sets of limiting pin shafts, a supporting assembly is arranged at the top end of the middle sliding rod, three sets of supporting legs are rotationally arranged on the base, and the supporting assembly is fixedly connected with the middle sliding rod through the limiting pin shafts. The supporting assembly comprises a first hydraulic cylinder, one end of a push rod of the first hydraulic cylinder is fixedly connected with an adjusting rod, a U-shaped base is fixedly welded to one end of the adjusting rod, and an adjusting block is rotationally arranged on the U-shaped base and driven by a second hydraulic cylinder. According to the technical scheme, the supporting tool is changed into a tower shape from a column shape, the contact area between the supporting tool and the ground is increased, the gravity center is lowered, and therefore the stability of the supporting tool is improved, the construction safety is improved, the position of a tail end supporting head can be adjusted again through a power mechanism of the supporting assembly, and the working efficiency is improved. And the height position and the deflection angle of the supporting head are adjusted.

The invention discloses a novel floating dock traction system which comprises a track, and a ship moving trolley is arranged on the track. The ship moving trolley comprises a frame, and a motor, a follow-up gear, trolley wheels and a driving gear driven by the motor are arranged on the frame; the follow-up gear is arranged below the driving gear, and the driving gear is meshed with the follow-up gear; the trolley wheels are fixedly connected with the follow-up gear through a horizontal shaft; a first supporting component and a second supporting component are fixedly arranged on the frame, the first supporting component is connected with a vertical anti-overturning wheel, and the second supporting component is connected with a horizontal anti-overturning wheel; the track comprises a track panel and a track web fixedly arranged at the bottom of the track panel; the width of the track panel is greater than that of the track web; the trolley wheels are arranged above the track panel, and the vertical overturn-preventing wheels and the horizontal overturn-preventing wheels are arranged below the track panel. The traction device is compact in structure, high in traction efficiency, capable of saving cost and reducing deck area occupation and beneficial to cabin arrangement.

The utility model relates to the field of lifeboat renovation, in particular to a lifeboat shell supporting tool which comprises a frame, at least one set of keel supporting frames and at least two sets of shell supporting frames are arranged on the frame, and the keel supporting frames are located between the two sets of shell supporting frames. Gaskets are detachably arranged on the keel support frame and each group of shell support frames respectively; and a plurality of universal wheels are arranged at the bottom of the frame. Each group of keel support frames comprises two keel support frames, and the two keel support frames are respectively arranged on the frame in a bilateral symmetry manner; each set of shell supporting frames comprises two shell supporting frames, and the two shell supporting frames are arranged on the frame in a bilateral symmetry mode. According to the utility model, the working efficiency of lifeboat renovating is improved.

The utility model belongs to movable type support pier structure in the field of shipbuilding technology. The drive wheel (10) of first motor (9) of one side of support pier body (3) connects first track assembly (1), the drive wheel (10) of second motor (11) of the other side of support pier body (3) connects second track assembly (7), and the bottom of support pier body (1) is provided with lifting component (6), and the lifting rod (8) of bottom lifting component (6) is connected with the bottom of support pier body (3). The movable type support pier structure has simple structure, can satisfy reliable lifting support in the process of shipbuilding, can be automatically moved in short distance on site, saves manpower, saves time and is at ease, and improves shipbuilding efficiency.