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242 results about "Slipway" patented technology

A slipway, also known as boat ramp or launch or boat deployer, is a ramp on the shore by which ships or boats can be moved to and from the water. They are used for building and repairing ships and boats, and for launching and retrieving small boats on trailers towed by automobiles and flying boats on their undercarriage.

Calibration method for clearance between rolls of hot-rolling vertical rolls

InactiveCN102989792AProtective functionEliminate the problem of abnormal widthMetal rolling stand detailsMeasuring devicesStrip steelEngineering
The invention relates to a calibration method for clearance between rolls of hot-rolling vertical rolls, which mainly solves the technical problem that strip steel is deficient in quality because verticality and alignment to calibration of vertical rolls are not considered in current methods. The technical scheme is that the calibration method for clearance between rolls of hot-rolling vertical rolls comprises the steps of: 1, finding a rolling center line and marking; 2, additionally arranging two position marks on a transverse slipway of a hot-rolling vertical roll device, and marking the distance from the marks to the rolling center line as |ZB|; 3, hitting apertures on both sides of the vertical rolls to marked positions, wherein a roll block is inside a marking line and aligned with the marking line; 4, measuring the distance from the lower ends on both sides of the vertical rolls to the rolling center line, and marking the measuring point as a point A, the radius of the rolls as R / 2 and the distances from A to a vertical roll operating side and from A to a transmission side as |OA| and |DA|; 5, comparing the measured value |OA|+R / 2 on the operating side with |ZB|, wherein if the difference is in a precision range, the verticality is good, and if the difference is not in the precision range, the clearance between rolls on the operating side is adjusted so that the difference is in the precision control range; 6, adjusting the clearance between rolls on the transmission side by the adjusting method in the step 5; and 7, measuring the total aperture of the vertical rolls, inputting the measured values and calibrating the clearance between rolls of vertical rolls after adjusting the verticality and alignment.
Owner:SHANGHAI MEISHAN IRON & STEEL CO LTD

Method for manufacturing and installing guide rail in container ship cargo hold

The invention discloses a method for manufacturing and installing a guide rail in a container ship cargo hold, which comprises the following steps of: (a) manufacturing the guide rail; (b) two-dimensional preassembly: assembling and welding a processed guide plate and the guide rail on a platform by using a doubling plate as a basal plane; (c) hoisting and boarding: installing an eye ring of the guide rail on the guide rail a quarter away from the upper end, respectively installing one eye ring at the left side and the right side of the guide plate, correspondingly reinforcing the eye rings from the back side, and hoisting the whole guide rail to a slipway; adding a toggle plate behind the doubling plate to reinforce the guide rail with low intensity; and after manufacturing the guide rail of a following ship in two segments, connecting the two segments into one guide rail after correction, and hoisting the assembled guide rail; (d) slipway installation: marking, and installing the guide rail; and (e) packaging and testing. In the method, the guide rail is firstly preassembled on the platform by using the doubling plate as the basal plane, and then, the whole guide rail is hoistedonto the slipway and installed. The invention has simple and reasonable method, convenient construction and high guide rail installation accuracy. The upward and downward hoisting and the reasonable arrangement of containers in the cargo hold can be ensured, and thus, the working efficiency and the ship manufacturing quality are increased.
Owner:YANGFAN GROUP

Non-coplanar radiotherapy system

The invention relates to a non-coplanar radiotherapy system in the field of medical equipment, which comprises a radiation source, a frame, an image positioning system and a therapeutic bed. The frame is composed of a revolution base, an L-shaped rotation arm and a C-shaped rotation arm. The revolution base and the L-shaped rotation arm are connected via a revolute pair. The L-shaped rotation arm and the C-shaped rotation arm are connected via a second revolute pair. The radiation source is arranged at one end of the C-shaped rotation arm. The other end of the C-shaped rotation arm is provided with a dosimetric verification device. The image positioning system is composed of two sets of X-ray image systems. The two sets of X-ray image systems are arranged on the two sides of the C-shaped rotation arm in the crossed manner. The therapeutic bed is installed corresponding to the frame, and is composed of a therapeutic bed plate, a slipway and a therapeutic bed support mechanism. The therapeutic bed plate and the slipway are connected via a third revolute pair. The non-coplanar radiotherapy system can be used for the coplanar radiotherapy and the non-coplanar radiotherapy of head and neck neoplasms, bone neoplasms, spinal neoplasms and the like. Meanwhile, the frame is large in motion range and high in flexibility.
Owner:SICHUAN UNIV

Method of applying total station to irradiating alignment and positioning of ship axis

InactiveCN102914278APromote generationMeet the construction precision requirementsUsing optical meansThree-dimensional spaceLight beam
A method of applying a total station to irradiating alignment and positioning of a ship axis includes: 1) arranging the reference total station on the slipway ground, generating a ray parallel to a slipway by the aid of a telescope of the total station, and transiting a theoretical reference point onto a reference target holder arranged on a stern according to a middle longitudinal line of the slipway ground and the perpendicular measuring design theory so that a reference target point is generated; and 2) arranging a working platform on one side of the reference target holder away from the stern, adjusting the three-dimensional space position of the aligning total station positioned on the horizontal working platform, and enabling a laser beam of the aligning total station to pass through the reference target point to generate a theoretical axis center line, namely an aligning total station laser beam ray. According to the method, irradiating alignment and positioning of the ship axis are achieved by the aid of the total station. During aligning construction of the ship axis, only one reference target point needs to be set on the slipway ground, and the three-dimensional space position and an emergent laser beam angle of the total station are adjusted, so that the theoretical axis center line beam for guiding axis alignment can be generated conveniently.
Owner:长航集团宜昌船厂有限公司

Large-sized aerial work platform for shipbuilding

The invention relates to a ship building and repairing large-size overhead work platform, which consists of a pedestal platform, a transitional platform, a top part platform, a hydraulic system, an electric control device, an electromagnetic fixing device, and a side supporting electromagnetic adsorption cylinder. All the platforms are connected and supported through a supporting frame with a lifting oil cylinder and are adsorbed to a ship body through the side supporting electromagnetic adsorption cylinder. Each platform is provided with a ladder for the convenience of climbing up and down temporarily in construction. The transitional platform and the top part platform are provided with a ship direction extending platform close to the ship direction, and the top part platform is further provided with a forward extending platform and a backward extending platform along the ship length direction. The pedestal platform is supported on a slipway by four fixed vertically telescopic supporting legs and four transversely and vertically telescopic supporting legs, the front end of the pedestal platform is provided with a hydraulic station, and the back end thereof is provided with the electric control device. The center of the top part platform can also be provided with a board house for work, rest and activity. The ship building and repairing large-size overhead work platform can build a safe three-dimensional working surface efficiently and quickly, shorten the cycle of occupying the slipway, improve the ship building and repairing efficiency, improve the working environment of workers, and reduce the labor intensity of the workers; besides, the hip building and repairing large-size overhead work platform is flexible, has small occupied area and is applicable to the ship building and repairing of various shipyards.
Owner:WUHAN UNIV OF TECH

Test device for simulating soil-structure interaction during earthquake occurrence and spread

The invention relates to a test device for simulating soil-structure interaction during earthquake occurrence and spread in the research of earthquake engineering. The device consists of a rigid part and a flexible part, wherein the flexible part consists of a universal joint pair device, a U-shaped steel framework and a rubber film; one end of a steel connecting rod with a slipway is fixedly connected with the upper end of a universal joint upper member, while the other end is connected with another universal joint upper member through a roller; the U-shaped steel framework is connected with the steel connecting rod with the slipway through a slideable connecting member; and the rubber film is arranged in a U-shaped space formed by the U-shaped steel framework and the universal pair device and is rigidly and segmentally connected with a model casing. Earthquake occurrence is simulated by combining a plurality of array vibrating table systems and applying different excitations to two adjacent vibrating tables simulating faulting. Corresponding excitations with different speeds are applied to other vibrating tables according to a similar rule so as to further research the interaction between soil and structural power with the consideration of the spread of earthquake in a medium.
Owner:BEIJING UNIV OF TECH

Method for mounting inclined shaft internal pressure steel tube

The invention relates to a method for mounting an inclined shaft internal pressure steel tube. The method comprises the steps of hoisting a hauling system, enabling a rail to slide downwards, enabling a trolley to slide downwards to complete a load test, conveying a tube coupling to be mounted of the pressure steel tube to a site, hoisting, unloading and turning over an upper slipway vehicle and a lower slipway vehicle by a winch hoisting system, tying the vehicles, connecting a gliding hauling system and the steel tube, removing a hoisting cable, enabling the hauling system to work, finishing gliding and humping of the tube coupling, unloading the tube coupling and enabling the lower slipway vehicle to reset. According to the method for mounting the inclined shaft internal pressure steel tube, a mathematical model calculation achievement which is established according to the mechanics principle is combined with a model test and a prototype test to demonstrate the feasibility of two-point towing gliding, a series of technical problems of optimizing of the structure of an anchor inside a cave chamber, rope jumping and nesting of a winch in the heavy loading process, selecting, calculating and demonstrating of a gliding towing point, designing of the structure of the trolley, synchronization balancing of double-traction, preventing abnormal abrasion of a steel wire rope of a multiplying power pulley block and gliding in-place unloading of the steel tube are solved comprehensively and systematically, and construction is safe and efficient.
Owner:CHINA GEZHOUBA GROUP CO LTD +1

Assembling and welding method of side thrust device

The invention relates to the technical field of ship construction, in particular to an assembling and welding method of a side thrust device. The assembling and welding method of the side thrust device comprises the steps that lofting is conducted so as to machine extension pipes, and four generatrices of each extension pipe are drawn; by making the four generatrices of each extension pipe as benchmarks, bearing blocks, annular reinforcing rib plates, longitudinal reinforcing rib plates and motor fixing bases are assembled and welded to constitute two side thrust seal cover modules; the side thrust seal cover modules are integrally annealed so as to eliminate welding stress, and the inner surfaces of the bearing blocks and the upper surfaces of the motor fixing bases are machined; the two side thrust seal cover modules are welded to two sides of a side thrust cylinder body respectively, and after welding is finished, the side thrust seal cover modules and the side thrust cylinder body are integrally assembled and welded in a segmented mode; after a slipway is folded, the integral segment comprising the side thrust seal cover modules and the side thrust cylinder body is provided with blades, a shaft, a bearing assembly, a seal part, a transmission mechanism and a driving mechanism. The assembling and welding method of the side thrust device can avoid welding deformation of the side thrust device, guarantee concentricity of bearings and shorten the period of ship construction.
Owner:WUCHANG SHIPBUILDING IND

Technology for reducing allowance cutting during ship building

The invention relates to a technology for reducing allowance cutting during ship building. In the technology, a hull is firstly divided into a plurality of general sections for building; and the general sections are gathered up. The invention is characterized in that in the step of lofting and baiting of parts, section allowance, slipway allowance, compensation dosage and material cutting are additionally and respectively placed once on a deck, a strake, a longitudinal bone, a rib, an enforced bone, a wall plate and other structures of each typical node according to section splicing or section butt joint and other different forms; in the step of the whole building of the general sections, when the joint of one of two general sections is provided with a transversal bulkhead, the two general sections adopt a splicing form, and the general section without the transversal bulkhead is inserted with the general section with the transversal bulkhead for carrying out sintered ceramsite liner welding; and when the joint of the two general sections are not provided with the transversal bulkhead, the two general sections adopt a sintered ceramsite liner welding butt joint form. The invention can determine the size of parts once, and improve the precision of parts manufacturing, thereby avoiding on-site secondary cutting quantity, and providing guarantee for general section construction; and the procedures are shifted forward, thus reducing slipway working capacity and waste backflow volume, shortening building ship period and reducing building ship cost.
Owner:WUCHANG SHIPBUILDING IND

Three coordinate converting machine for integrated testing of quality characteristics

The invention discloses a three coordinate converting machine for integrated testing of quality characteristics. An arc substrate is provided with an arc surface matched with arc guide rails, and a horizontal plane used for fixedly mounting the arc substrate; two arc guide rails are respectively arranged on the arc surface of the arc substrate, and arc sections of the arc guide rails are parallel to an arc section of the arc substrate; a slipway is arranged on the arc guide rails and slides along the arc guide rails under the action of a driving mechanism; the slipway can rotate along the normal direction of each point of the arc sections of the arc guide rails; the driving mechanism is arranged in the arc substrate; and a workpiece to be tested is arranged on the slipway, and the automatic conversion between quality characteristic parameters of the workpiece to be tested at a vertical position under Cartesian coordinates and quality characteristic parameters of the workpiece to be tested at any position under the Cartesian coordinates is realized through the movement of the slipway on the arc guide rails. The three coordinate converting machine has simple structure and convenient operation, and can be used for integrated testing of the quality characteristics of large equipment such as spacecrafts and the like.
Owner:BEIJING SATELLITE MFG FACTORY

Fillet weld inflation test method

The invention discloses a fillet weld inflation test method which comprises the following steps: step one: opening a valve, injecting compressed air to a fillet weld root gap, and when a pointer of a pressure gage reaches a pressure specified value, closing the valve and calming the pressure for 15 minutes; step two: checking whether the pointer of the pressure gage goes down, if the pointer goes down obviously within the 15 minutes of pressure calming, examining leakage conditions of joint welding seams and finding the reasons for pressure drop, if the pressure does not drop, applying soap liquid to the surface of the fillet weld and checking whether bubbles appear on the surface of the fillet weld, and when test liquid on the fillet weld does not generate bubbles, the fillet weld is deemed to be up to standard; step three: during the testing process, if leakage occurs, marking the leakage place with a chalk; and step four: after testing, small holes in a web must be filled through electrowelding. The method is used for testing whether weld defects, such as air holes, and impurity mixing and the like exist in a continuous welding portion of a watertight region, thereby ensuring no leakage occurring at the watertight region, reducing workload of the slipway tightness test, and reducing in-dock production period.
Owner:JIANGSU NEW TIMES SHIPBUILDING

Automatic adhesive dispensing device and method for coupling of planar waveguide type components

The invention provides an automatic adhesive dispensing device and method for coupling of planar waveguide type components. The automatic adhesive dispensing device comprises a single-shaft movement controlling module, an air cylinder movement module and an adhesive dispensing module, wherein the single-shaft movement controlling module is used for driving the adhesive dispensing module to a predetermined adhesive dispensing position; the air cylinder movement module is used for driving the adhesive dispensing module to move up and down, so that adhesive dispensing syringe needles are alignedto the predetermined adhesive dispensing positions, and an air cylinder in the air cylinder movement module is connected with a movement end of the single-shaft movement controlling module; and the adhesive dispensing module comprises an adhesive dispensing syringe cylinder up-down position fine adjustment slipway, adhesive dispensing syringe cylinder front-rear position fine adjustment slipways,adhesive dispensing syringe cylinder left-right position fine adjustment slipways, adhesive dispensing syringe cylinders and adhesive dispensing syringe needles. According to the automatic adhesive dispensing device and method disclosed by the invention, the adhesive quantity and the adhesive dispensing quality are controlled through equipment, the automatic adhesive dispensing device has the advantages of being high in product consistency, reliable, capable of saving labor cost and the like, besides, automatic adhesive dispensing of various planar waveguide type components can be compatible.
Owner:GUANGXUN SCI & TECH WUHAN

Dry powder administration device

ActiveCN102228725BAvoiding "normally open" state problemsReduce moistureInhalatorsMedicineDrug powder
The invention discloses a dry powder administration device, and belongs to the field of administration sets. The dry powder administration device comprises a flow channel component, a medical powder storage container and an administration metering component, and is characterized in that: a shell is arranged; the upper part of the shell is provided with the inverted-cone-shaped medical powder storage container; a ring-shaped manual rotary part is arranged at the periphery of the upper part of the shell; a rotary slipway is arranged on the outer surface of the upper part of the shell, and a slide block is arranged corresponding to the inner side face of the ring-shaped manual rotary part; a first elastic part is arranged between the ring-shaped manual rotary part and the upper part of the shell; an air inlet is formed at one end of the rotary slipway; the flow channel component is arranged in the shell; a suction nozzle is arranged on the outer side of the shell and a suction nozzle sleeve is arranged outside the suction nozzle; a medicine inlet is arranged on the horizontal part of the flow channel component; the administration metering component is arranged below the inverted-cone-shaped medical powder storage container; and the flow channel component is connected with the air inlet, the administration metering component and the suction nozzle through air channels in turn. By adopting an air inlet omniseal structure, before medical powder is added, the medical powder metering component is dried and can accurately meter the dosage of the medical powder and avoid 'excessive dosage' administration.
Owner:SHANGHAI CHENPON PHARM TECH CO LTD
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