23 results about "Lower half" patented technology

The utility model discloses a detonating control device and a detonating control system for an underwater electronic detonator, and belongs to the technical field of detonating control of initiating explosive devices. The underwater electronic detonator detonation control device comprises a lower half shell, a first hollow cavity is formed in the lower half shell, the upper side of the first hollow cavity is open to form a first open end, and the outer wall of the peripheral side of the first open end is connected with a first annular protrusion; a second hollow cavity is formed in the upper half shell, the lower side of the second hollow cavity is open to form a second open end, the outer wall of the peripheral side of the second open end is connected with a second annular protrusion, and the second hollow cavity communicates with the first hollow cavity to form a mounting cavity; the detonation control unit is arranged in the mounting cavity, and the detonation control unit is used for being in communication connection with the electronic detonator; the sealing assembly is mounted between the annular bulge I and the annular bulge II; and the locking mechanism is connected between the lower half shell and the upper half shell. The detonation control device of the underwater electronic detonator is favorable for improving the reliability of underwater blasting.

1. The name of the design product: the main body of the capping device. 2. The use of the design product: the capping device is used for automatically capping or uncapping containers, and the main body of the capping device is the main functional part for realizing the use of the capping device. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: the cover in the lower half of the front view in design 1, design 2 and design 3 is transparent. The dashed line in each figure represents the part not claimed.

The utility model relates to the technical field of rubber boats, in particular to a rubber boat with a buoyancy tube capable of being quickly disassembled and assembled, which can be used for conveniently disassembling and assembling an inflatable rubber buoyancy tube and improving the convenience of maintenance. Comprising a boat body, disassembly and assembly mechanisms are arranged on the two sides of the boat body, inflatable rubber buoyancy pipes are installed on the two sides of the boat body through the disassembly and assembly mechanisms, lower butt joint plates are fixedly arranged on one sides of two sets of lower half clamping rings, the two sets of lower half clamping rings are symmetrically and fixedly installed on one side of the boat body through the lower butt joint plates, and two sets of threaded sleeves are symmetrically arranged on a two-way threaded rod in a threaded and sleeving mode. Guide plates fixedly sleeve the inner sides of the outer walls of the two sets of threaded sleeves, two sets of guide grooves are symmetrically formed in the bottom end of the fixing frame, the inner sides of the two sets of T-shaped bolts are fixedly connected with the outer sides of the two sets of threaded sleeves correspondingly, the two sets of pin bases are symmetrically and fixedly installed at the top end of one side of the boat body, and the two sets of T-shaped bolts are inserted into the two sets of pin bases correspondingly; and the inflatable rubber buoyancy pipe is clamped in the lower half clamping ring and the upper half clamping ring.

A kind of inclined roof gutter installation structure and installation method, wherein the structure includes U-shaped keel, the height of two sides of the U-shaped keel is not equal, the top outer side of the higher side of the U-shaped keel is fixedly provided with overlap section, the top of the lower side of the U-shaped keel is fixedly provided with inclined section, one end of the inclined section extends to the upper of the inner chamber of the U-shaped keel, the inclination angle of the inclined section is equal to the inclination angle of the overlap section and equal to the inclination angle of roof, the lower end of the overlap section and the inclined section is respectively set on the roof frame of the two sides of the U-shaped keel, water guide plate assembly is fixedly installed on the U-shaped keel;By overlap section and the lower half of inclined section are erected on roof support and are fixedly installed, installation mode is simple, water flows into gutter from the side of overlap section, the upper half of inclined section shields gutter, so that the appearance of the whole gutter is more beautiful, dust is not easy to fall in gutter.

The utility model relates to a kind of replaceable table surface air cylinder, including cylinder, slider sliding in the cylinder, limiting block of limiting the position of slider, rod body being set on the slider, detachable connection on the table surface of the cylinder;The cylinder is opened with sliding slot;The limiting block is set at the upper half of the sliding slot;The slider slides in the sliding slot;The rod body is set in the limiting block;The cylinder is opened with first hole and second hole;The first hole is located in the upper half of the sliding slot, and the second hole is located in the lower half of the sliding slot;The first hole and the second hole are communicated with gas source;The table surface is fixed on the cylinder by bolt.Solved if new operation requirement is satisfied, often needs to replace entire air cylinder or to carry out complex reconstruction to table surface.

The application relates to the technical field of underwater sealing devices, in particular to a compact anti-impact underwater sealing device cabin switch. The compact anti-impact underwater sealing device cabin switch comprises an extracabin fastening and an intracabin fastening with a T-shaped cross section, a cabin-penetrating sealing shaft, a semicircular pull ring rotatably arranged at the top end of the cabin-penetrating sealing shaft, a spring cover and a spring which are sleeved on the cabin-penetrating sealing shaft in a slidable mode, a female spring needle and a male spring needle; the spring cover is arranged below the pull ring, the top end of the spring is arranged on the lower surface of the spring cover and the bottom end of the spring is arranged on the lower half of the cabin-penetrating sealing shaft. The upper surface of the extracabin fastening is uniformly provided with a plurality of fixed holes in the circumferential direction, and the pull ring is provided with fixed insertion rods matched with the fixed holes. The switch scheme only needs to lift the pull ring during power-on and power-off processes, and the pull ring is placed down again after being rotated by half a circle, so that the seal of the underwater sealing device is not damaged, the operation is simple and convenient, and the time consumption is short.

A ship mooring machine sheath belongs to the technical field of mooring machine limit protection. It is designed to solve the problem of left-right sliding on the middle shaft of the mooring machine after long-term use, displacement during rotation, and wear of other auxiliary structures. The present application combines the upper and lower discs on the middle shaft of the mooring machine frame, and then rotates the threaded rod through a tool. The threaded rod drives the sliding half to slide in the limit groove through the threaded groove on the sliding half. The sliding half drives the extrusion rotating rod, and the rotating rod extrudes and pushes the connecting block. The rotating rod rotates in the rotating groove, and the connecting block pushes the two upper and lower discs apart. The slider slides in the sliding groove, and the slider drives the positioning plate to slide in the positioning groove, so that the upper and lower discs cannot be separated, making the overall thickness of the equipment thicker. The thickness of the limit sheath can be adjusted to prevent the cable drum from sliding on the middle shaft after long-term use of the mooring machine, displacement, and wear of the structure on the mooring machine.

The invention discloses a multi-curvature thin-wall composite material pipe fitting forming tool and method, and belongs to the technical field of composite material forming. The forming tool comprises an upper half die, a lower half die, a first check block and a second check block, and the first check block and the second check block are detachably connected with the lower half die through guide columns; the inner sides of the first check block and the second check block extend into a cavity of the lower half die, the side walls of the inner sides of the first check block and the second check block are stepped surfaces or inclined surfaces or curved surfaces, and the side walls of the inner sides of the first check block and the second check block are used for inwards and obliquely limiting the part, extending out of the molded surface of the lower half die, of a lower half die blank. The forming method comprises the steps that stepped material spreading is conducted on the upper half die and the lower half die, and the problem that the extending blank part is easily clamped between the upper half die and the lower half die during die assembly is solved through the forming tool. According to the forming tool and the forming method, the product quality and the qualified rate are improved, the cost is reduced, secondary bonding is not needed, the manufacturing period is shortened, and the production efficiency is improved.

[Problem] To enable efficient and low-cost construction of a spar-type floating body and to simultaneously solve problems such as thermal cracking and bending cracking of concrete. [Solution] In a spar-type floating body 4, the lower half side is a steel-concrete composite structure part 4A in which concrete C is cast in a predetermined thickness on the inner surface side of an outer shell steel member 10 covering the outer periphery. In the steel-concrete composite structure part 4A, reinforcing bars placed in the concrete C include polygonal first reinforcing bars 35 and second reinforcing bars 36 disposed alternately in a staggered manner at intervals in the longitudinal direction of the floating body, the first reinforcing bars 35 and the second reinforcing bars 36 being constituted by a large number of joint parts a welded to the outer shell steel member 10 over a predetermined length range and at predetermined intervals in the circumferential direction of the outer shell steel member 10, and chord parts b linearly connecting ends of adjacent joint parts a, a. At the center position of each chord part b of the first reinforcing bars 35 and the second reinforcing bars 36, a predetermined cover to the outer surface of the concrete is ensured.

The utility model relates to the technical field of port and channel construction engineering, and discloses a shallow water wharf anti-pulling-out treatment device. The shallow water wharf anti-pulling-out treatment device comprises impact buffering mechanisms arranged on the seabed and a wharf foundation bed together and floating assemblies arranged on the seabed and the sea surface together. The impact buffering mechanism comprises a plurality of H-shaped steel fixing pieces and a plurality of sets of steel bars, the H-shaped steel fixing pieces are symmetrically installed on the outer wall of one side of the wharf foundation bed in a pairwise attached mode, and the lower half sections of the H-shaped steel fixing pieces are all inserted and buried in the seabed; the multiple sets of steel bars are fixedly installed on the outer walls of the two sides of the multiple H-shaped steel fixing pieces correspondingly. According to the utility model, the impact of sea waves and the jet impact of ship propellers can be effectively resisted, the service life of the wharf is prolonged, the foundation stability of the wharf is ensured, the problem of differential settlement of the wharf is solved, the safety degree of wharf operation is improved, and the investment cost of wharf operation is greatly reduced compared with dismantling and newly building.

A ship is provided with: a hull; the skirt part is arranged on the ship body and is in a cylindrical shape with an upward opening; a spherical tank serving as a high-pressure tank, the lower half part of the spherical tank being accommodated in the skirt part; a ring-shaped connecting member provided so as to surround the spherical tank from the outer peripheral side above the skirt section; a first welded portion that fixes the inner peripheral portion of the connecting member and the outer surface of the spherical tank to each other; and a second welded portion connecting the lower portion of the connecting member and the upper end of the skirt portion to each other.

A satellite antenna for ocean ship communication provided by the present invention comprises a base, the base is detachably connected with an antenna main body, the antenna main body comprises an upper half part shell and a lower half part fixing seat, the base is provided with a mounting groove, the periphery of the notch of the mounting groove is provided with a protrusion, the outer side of the protrusion is an inclined plane, and the outer side of the protrusion is provided with an inclined plane. The radius of the shell is larger than that of the fixing base, an inner concave part is arranged on the outer side of the bottom face of the shell and connected with the protrusion in a matched mode, and an annular cover body is arranged on the outer side of the base. According to the satellite antenna for ocean ship communication, the cover body is arranged on the outer side in a sleeving mode to assist in fixing the antenna body, meanwhile, the gap between the antenna body and the mounting groove is covered, rainwater and seawater are prevented from entering the mounting groove, and corrosion between the mounting groove and the fixing base is avoided; and the stable connecting and fixing effect and the convenient dismounting effect can be kept for a long time.

The utility model relates to the technical field of round pipe supporting, and discloses a supporting pipe base which comprises a supporting pipe sleeve, first channel steel and a long round pipe, the first channel steel is arranged on the outer wall of the upper half portion of the supporting pipe sleeve, the second channel steel is arranged on the outer wall of the lower half portion of the supporting pipe sleeve, and the long round pipe is located in the supporting pipe sleeve. The outer side of the bottom of the long round pipe is provided with the supporting pipe sleeve, the supporting pipe sleeve is welded to a supporting steel plate or a deck at the bottom of the long round pipe through the first channel steel and the second channel steel, the supporting steel plate or the deck is welded to the outer side of the supporting pipe sleeve, and the supporting steel plate or the deck is welded to the outer side of the supporting pipe sleeve through the first channel steel and the second channel steel. The bottom of the long round pipe is supported through the supporting pipe sleeve; the supporting rods are arranged on the fixing plate, the supporting rods abut against the long circular pipes, and the supporting stability of the long circular pipes can be further improved through cooperation of the hoops.

The invention relates to a C-shaped liquid tank gas ship cargo hold which comprises a liquid tank cabin used for storing a C-shaped liquid tank, and the front end and the rear end of the C-shaped liquid tank are hemispherical end sockets. A communicating space is formed between the outer wall of the lower half part of the hemispherical seal head at the front end of the C-shaped liquid tank and the inner wall of the front end of the liquid tank cabin and / or between the outer wall of the lower half part of the hemispherical seal head at the rear end of the C-shaped liquid tank and the inner wall of the rear end of the liquid tank cabin; the port ballast tank is positioned on the left lower side of the liquid tank tank; the starboard ballast tank is positioned on the right lower side of the liquid tank tank; the transverse communicating device is arranged in the communicating space, the transverse communicating device comprises a communicating pipeline, one end of the communicating pipeline is communicated with the larboard ballast tank, and the other end of the communicating pipeline is communicated with the starboard ballast tank. According to the C-shaped liquid tank gas ship cargo hold, the design working condition of a ship can be conveniently adjusted, the ship is more flexible, and meanwhile the rolling amplitude of the ship can be reduced.

The invention relates to the field of ship gear transmission device repairing, in particular to a torsion shaft deformation preventing connecting structure used during shaft penetrating structure gear set hoisting, and aims to achieve the purpose that under the condition that a torsion shaft is not disassembled, a large gear and a small gear are hoisted, and then the whole gear set is hoisted. In order to solve the problem that a torsion shaft is stressed to be bent and deformed due to a gap between a large gear and a small gear, a connecting structure comprises two semi-rings, and each semi-ring comprises an outer semi-ring and an inner semi-ring; the two semi-rings are symmetrically arranged, each end of one semi-ring is connected with the other semi-ring through at least one bolt, the outer semi-rings of the two semi-rings are spliced to form an outer ring, the inner wall of the outer ring is arranged on the II-stage pinion and the I-stage gearwheel in a sleeving mode, the inner semi-rings of the two semi-rings are spliced to form an inner ring, one side wall of the inner ring is in clearance fit with the II-stage pinion, and the other side wall of the inner ring is in clearance fit with the I-stage gearwheel. The other side wall of the inner ring is in clearance fit with the I-level large gear, the I-level large gear and the II-level small gear are combined into a whole by connecting the half rings of the split upper half structure and the split lower half structure, and the actual problem of gear lifting is effectively solved.

The invention relates to an uninterrupted feeding falling pipe riprapping system and a construction method thereof, the system comprises a feeding belt conveyor, an inner sleeve, a plurality of sections of Haff type riprapping falling pipes, an operation platform, two winches and a hoisting system, the feeding belt conveyor and the inner sleeve are fixed on a ship deck, and the discharging end of the feeding belt conveyor corresponds to the top of the inner sleeve; the operation platform is built around the inner sleeve; the half-type riprap falling pipes are arranged outside the inner sleeve, the upper end of each half-type riprap falling pipe is provided with a first female hinge and a second female hinge, the lower end of each half-type riprap falling pipe is provided with a first male hinge and a second male hinge, and the upper half-type riprap falling pipe and the lower half-type riprap falling pipe are hinged through connection of the first female hinge and the first male hinge. Or fixed connection is realized through connection of the second female hinge and the second male hinge; and the two winches are used for hoisting two sections of half type riprap falling pipes to be disassembled and assembled through the hoisting system respectively, and disassembly and assembly are completed on the operation platform. According to the device, the length of the Haff type riprap falling pipe can be adjusted on the premise of uninterrupted feeding.

The invention relates to the field of marine environment-friendly production, in particular to a marine wharf-based floating object treatment device which comprises a ship body, and a transport machine is arranged at the front end of the ship body; by arranging the pushing and pressing assembly, the horizontal end of the pushing and pressing assembly inclines towards the lower portion of the collecting box, the vertical end of the pushing and pressing assembly inclines towards the side wall of the collecting box, when the pushing and pressing assembly is driven by the rotating ring to do circular motion, the horizontal end pushes and presses floating objects towards the lower portion of the collecting box, and the floating objects are gathered in the lower half body area of the collecting box; the vertical end extrudes the floating objects on the upper body towards the side wall, so that the floating objects are further compacted and arranged, the floating objects are more tightly distributed in the collecting box, the problem of space waste caused by irregular shapes of the floating objects is effectively solved, and the space utilization rate of the collecting box is increased; and in cooperation with a first arc-shaped air bag and a second arc-shaped air bag in the air bag assembly, the pushing and pressing force can be automatically adjusted according to the accumulation state of the floating objects in the accumulation process of the floating objects.

The invention relates to the technical field of round pipe supporting, and discloses a supporting pipe base which comprises a supporting pipe sleeve, first channel steel and a long round pipe, the first channel steel is arranged on the outer wall of the upper half portion of the supporting pipe sleeve, the second channel steel is arranged on the outer wall of the lower half portion of the supporting pipe sleeve, and the long round pipe is located in the supporting pipe sleeve. The outer side of the bottom of the long circular pipe is provided with the supporting pipe sleeve, the supporting pipe sleeve is welded to a supporting steel plate or a deck at the bottom of the long circular pipe through the first steel channel and the second steel channel, and the bottom of the long circular pipe is supported through the supporting pipe sleeve; the supporting rods are arranged on the fixing plate, the supporting rods abut against the long circular pipes, and the supporting stability of the long circular pipes can be further improved through cooperation of the hoops.

The utility model discloses a reinforcing ring of a liquid tank for a large carbon dioxide ship. The reinforcing ring comprises a main ring, two auxiliary rings and two groups of connecting toggle plates, the main ring comprises a main ring web plate, a main ring panel and two surrounding plates; the outer diameter circle of the main ring web plate is a whole circle matched with the inner circle of the liquid tank, and the inner diameter circle of the main ring web plate is arranged on the upper half portion of the main ring web plate and is in an upper semicircle shape. The main ring panel is fixed at the inner diameter end of the main ring web; the two surrounding plates are fixed to the front surface and the rear surface of the upper portion of the lower half portion of the main ring web in a one-to-one correspondence mode. The two auxiliary rings are symmetrically arranged on the front side and the rear side of the main ring; each auxiliary ring comprises an auxiliary ring web plate and an auxiliary ring panel fixed at the inner diameter end of the auxiliary ring web plate; the two sets of connecting toggle plates are connected between the front surface and the rear surface of the lower half portion of the main ring web plate and the auxiliary ring web plates of the two auxiliary rings in a one-to-one correspondence mode, and the inner ends of the two sets of connecting toggle plates are fixed to the outer end faces of the two surrounding plates in a one-to-one correspondence mode. According to the utility model, the structural strength can meet the requirement, and the structural weight can be optimized.

The utility model discloses a ship liquid phase pipeline flange splashproof liquid collecting cover, including upper half cover body and lower half cover body, upper half cover body and lower half cover body all are equipped with semicircle type area, and upper half cover body can be arranged on the upside of lower half cover body and is buckled together with lower half cover body on the outer periphery of flange joint, and the edge of semicircle type area is radially arranged with the clamping hoop for the axial location of upper half cover body and lower half cover body, and lower half cover body is equipped with the support structure for supporting flange in the upper side of liquid collecting cavity, through setting up the clamping hoop to the axial location of upper half cover body and lower half cover body, the support structure guarantees this splashproof liquid collecting cover and the close degree of flange outside, and the clamping hoop, support structure, upper half cover body and lower half cover body cooperate and guarantee the position stability of this splashproof liquid collecting cover, avoid the displacement and the problem of falling off in the splashproof liquid collecting process to occur, thereby effectively prevent the liquid in the pipeline from leaking from flange joint and directly splashing on the ship body, avoid the brittleness of ship steel plate.

The present invention discloses an anti-corrosion packaging method for a marine inductive transmission magnetic ring and a marine inductive transmission device. The marine inductive transmission device includes a shell and a magnetic ring. The magnetic ring is a split magnetic ring, including an upper half ring and a lower half ring, each including a split surface and a non-split surface. The shell includes an upper cabin and a lower cabin, each formed with a relative cavity for accommodating the magnetic ring. The split surfaces of the upper half ring and the lower half ring are relative and connected. The anti-corrosion packaging method includes the following steps: depositing a nano-metal film on the surface of the magnetic ring; electroplating a porous alloy shell layer on the outer side of the nano-metal film on the non-split surface of the magnetic ring; providing a dense magnetic conductive coating on the split surface; and respectively encapsulating the upper half ring and the lower half ring in the upper cabin and the lower cabin using a filler. The present invention reduces electromagnetic effects and heat accumulation and magnetic ring deformation, improves the stability and reliability of inductive transmission, and extends its service life.

The utility model relates to the technical field of marine environmental protection equipment, in particular to a double-body type enteromorpha salvage treatment ship. Comprising a catamaran. The collecting module comprises a front conveying belt and a splitter plate which are arranged between the catamaran; the conveying module comprises a left rear conveying belt and a right rear conveying belt which are symmetrically arranged on the two sides of the front conveying belt. The processing module comprises a left part and a right part which are the same in structure, and each of the left part and the right part comprises a compression box and a hydraulic compression mechanism arranged over the compression box; a blocking door capable of being opened and closed vertically is arranged on the lower half portion of the front side of the compression box, and a push plate is arranged on the lower half portion of the rear side. The hydraulic compression mechanism comprises a pressing plate which is controlled by a third hydraulic rod to move up and down. Water in enteromorpha is squeezed out and compressed into enteromorpha blocks, the carrying capacity of the enteromorpha is greatly improved, the salvage frequency is reduced, and efficiency is improved.

The invention provides a water hose box and a ro-ro passenger ship comprising the same, the water hose box is designed without a door, the water hose box comprises a main body frame, and the main body frame is of a U-shaped structure formed by long flat iron; the main body frame is divided into a rectangular space at the upper half part and a semicircular space at the lower half part, and the water hose is placed in the semicircular space at the lower half part of the main body frame after being wound. The problem that the water hose box is arranged in a ro-ro passenger ship, especially a loading cabin is solved, and the potential safety hazard problem caused by the fact that a traditional water hose box with a door cannot be opened is avoided.