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392 results about "Right triangle" patented technology

A right triangle (American English) or right-angled triangle (British English) is a triangle in which one angle is a right angle (that is, a 90-degree angle). The relation between the sides and angles of a right triangle is the basis for trigonometry.

Method and system for generating dredging terrain twinning based on right-angle triangular mesh

The invention relates to the technical field of ocean engineering digital twinning and three-dimensional visualization, and provides a method and system for generating dredging terrain twinning based on a right-angle triangular mesh, and the method comprises the steps: obtaining regular grid elevation unified to an engineering plane coordinate system or preprocessed sampling height data, determining a covered space range, reading the space range and density parameters, and calculating the total row number and the total column number of the grids based on the space range and the density parameters; generating regularly arranged vertexes in the covered space, and constructing a topological structure of an isosceles right triangle grid; dividing the global grid into a plurality of Chunk blocks according to a fixed size by taking a vertex as a unit, establishing a triangular index mapping relationship between global rows and columns and the Chunk blocks, filling three vertexes of an isosceles right triangle and elevation / height data in each Chunk block in parallel, and generating local VBO, IBO and AABB; and performing batch rendering and coloring according to a height color table on all Chunk blocks to realize visualization of the terrain.
Owner:NAT ENG RES CENT OF DREDGING TECH & EQUIP

Device for preventing collapse of high-position cut pile

The utility model discloses a device for preventing collapse of a high-position cut pile. The device comprises a telescopic adjusting ring, a vertical telescopic supporting rod, an inclined telescopic supporting rod and a horizontal telescopic supporting rod, the pile head is sleeved with the telescopic adjusting rings of the rectangular annular structures and abuts against the side wall of the pile head. The vertical telescopic supporting rods, the inclined telescopic supporting rods and the horizontal telescopic supporting rods are hinged to form anti-collapse supporting components of right triangle structures, and the four sets of anti-collapse supporting components are arranged on the outer sides of the corners of the telescopic adjusting ring. The lowermost telescopic adjusting ring and the horizontal telescopic supporting rod are connected in the same horizontal plane, and the corners of the other telescopic adjusting rings are connected with the vertical telescopic supporting rods. The utility model relates to the technical field of constructional engineering, and can solve the problems of poor convenience, high economic cost, large site limitation and poor safety caused by connecting pile heads through a steel wire rope by adopting a large machine in the prior art. The problems that in an existing device, a supporting rod is prone to slipping, and the adaptability to square piles and round piles and square piles of different sizes is not high due to limited resistance bending moment can be solved.
Owner:CHINA CONSTR EIGHTH BUREAU CULTURAL TOURISM EXPO INVESTMENT & DEV CO LTD

Prism structure, visual angle expanding film, backlight module and display device

The utility model discloses a prism structure, a visual angle expanding film, a backlight module and a display device, and relates to the technical field of optical films. The prism structure comprises a plurality of first prism parts and a plurality of second prism parts, the top of the second prism part is connected with the bottoms of the first prism parts; wherein the cross sections of the first prism parts are isosceles right triangles, the cross sections of the second prism parts are isosceles trapezoids, and the top width of the second prism parts is the total bottom width of the first prism parts. According to the utility model, the problems that the 1 / 2 light intensity range in the horizontal direction of a general display is within + / -50 degrees, and the 1 / 2 light intensity range in the vertical direction of the general display is within + / -35 degrees due to a single prism sheet, or a diffusion film and prism sheet bonding (DOP) / micro lens film and prism sheet bonding (MOP) and other structures with single prism layers in the current brightness enhancement film technology are solved; if a double-layer prism framework optical film scheme is used, the 1 / 2 light intensity range in the horizontal direction and the 1 / 2 light intensity range in the vertical direction are both lower than + / -35 degrees.
Owner:JIANGSU HONOPTICAL MATERIAL TECH CO LTD

Multi-Purpose Framer's Speed Square

A multi-purpose framer's speed square in the form of a right triangle comprising a top plate with a T-shaped edge and a series of etched top plate lines including framing top plate call outs, a notched front edge having a plurality of notches spaced along the length in ¼″ increments, ruler etching callouts, and lumber width callouts denoting lumber sizes, and a hypotenuse edge having etched top plate lines, common rafter window plumb cut outs and a hip / valley section disposed above the hypotenuse edge having etched degrees and hip / valley roof rafter plumb cuts.
Owner:WADSWORTH PETE JAMES +1

Picture type hyperspectral full-band imaging system based on image space scanning

The invention discloses a picture type hyperspectral full-wave band imaging system based on image space scanning. The system comprises a telescope system, an image space scanning mirror, a view field separation device, a spectrograph and a detector, wherein the spectrograph and the detector are arranged at different wave bands from visible light to long-wave infrared light; wherein the image space scanning mirror is in the shape of a cylinder with a right triangle section, a central optical axis is arranged in the image space scanning mirror, and the image space scanning mirror can move in parallel or rotate horizontally along the central optical axis to form rectangular view fields in different directions and at different angles; light from the rectangular area of the earth surface is converged to the image space scanning mirror through the telescope system, and a plurality of rectangular view fields are formed at different positions; and after passing through the field of view separation device, the light is split by a spectrograph and received by a detector in different bands of visible light-long wave infrared, and the problem of virtual focus of an image plane is avoided in the process of obtaining the hyperspectral full-band earth surface information in a picture manner. According to the invention, a foundation is laid for high-resolution area array staring imaging and full-band picture type hyperspectral and multispectral comprehensive detection.
Owner:SHANGHAI INSTITUTE OF TECHNICAL PHYSICS CHINESE ACADEMY OF SCIENCES

Combined device supported by single-side formwork

The utility model discloses a combined device supported by a unilateral formwork, which comprises a unilateral formwork system, a unilateral support system, an embedded part system and a support system, the unilateral support system is provided with an embedded part limiting support, and the embedded part system comprises a ground embedded rod, a connecting nut, an external connecting limiting rod, beam pressing section steel and a fixing part. The pressing beam profile steel is located on the upper side of the embedded part limiting support, and the top end of the externally-connected limiting rod penetrates through a reserved seam between the two pieces of pressing beam profile steel and is anchored through a fixing part connected to the surfaces of the pressing beam profile steel in a pressed mode. The support system comprises a ground support rod, a horizontal support rod and a support vertical buried rod, the front end of the ground support rod is supported at the far end of the right triangle frame, the rear end of the ground support rod is supported at the front side of the horizontal support rod, and the bottom of the support vertical buried rod is buried in the ground. A force transmission system is clear, structural loads are transmitted through the reliable force transmission system through reasonable connection and anchoring, the forming effect is good, repeated turnover use can be achieved, erecting and disassembling are convenient and fast, and labor cost is saved.
Owner:CHINA CONSTR FIRST DIV GROUP CONSTR & DEV

Solid waste landfill positioning leakage detection device

The invention provides a solid waste landfill positioning leakage detection device, which takes a matrix type detection network and an acquisition host as a core framework, detection units made of graphene or titanium alloy form a detection unit group according to a membrane upper-membrane lower-membrane corresponding principle, and a matrix distributed electrode pair structure is formed between a solid waste landfill area and a foundation area. The acquisition host applies excitation voltage to the detection unit groups, receives current signals, judges whether leakage occurs or not based on resistance parameters, and determines leakage positions through a three-point positioning principle (the detection unit groups with abnormal resistance parameters are used as vertexes of a right triangle, and leakage point coordinates are calculated in combination with preset Dx and Dy distance parameters and Ra, Rb, Rc and Rd resistance proportions); meanwhile, an anti-corrosion insulating layer (high-density polyethylene) is used for protecting the detection unit, a storage module is used for recording historical data, a communication module is in butt joint with an upper computer, and an alarm module is used for prompting the leakage position in real time, so that a complete leakage detection system is constructed.
Owner:SHENZHEN XIANGWEI MEASUREMENT & CONTROL TECH CO LTD

Flow guide assembly of stop valve

The invention relates to the technical field of flow guide assemblies, and discloses a stop valve flow guide assembly which comprises a valve seat and a flow guide ring, the flow guide ring is arranged in a valve seat water inlet pipeline and composed of a fixed ring body and a movable ring body, the fixed ring body is fixed to the inner wall of the valve seat water inlet pipeline, and the movable ring body is arranged on the fixed ring body and can freely rotate. Delta wing plates are arranged on the inner side wall face of the movable ring in a circumferential array mode, the plane of each delta wing plate is in a right triangle shape, the joint of each delta wing plate and the movable ring is in large-radius fillet transition, the front edge of each delta wing plate is sharp, and the rear edge of each delta wing plate is thin and sharp.
Owner:HIGH MPA VALVE GRP CO LTD

A frame structure for a beam-column grid layout of a large-span building

PendingCN122629921ARight triangleLong span
The application discloses a kind of frame structures for the beam-column reticular layout of large-span building, belong to building structure design technical field;Including corner column, adjacent corner column, one corner beam, two corner beams, corner beam, edge perimeter beam, two perimeter beams and inner perimeter beam;Outer edge rectangular frame structure, right triangle frame structure, one corner beam, middle rectangular frame structure, two corner beams and inner edge frame structure are jointly constituted beam-column reticular frame structure;Perpendicular to one corner beam is equipped with corner beam for supporting lap one corner beam, the intersection of corner beam and edge perimeter beam is equipped with adjacent corner column, one corner column, two adjacent corner columns, corner beam and edge perimeter beam jointly constitute right triangle frame structure;It is connected with one two corner beams along the linear direction of one corner beam and extends inward, and two corner beams are connected by inner perimeter beam to form inner edge frame structure.The frame structure of the application can continuously arrange and connect steel beam in limited height, form large-span beam-slab structure, reduce beam height while reducing the negative bending moment of beam at beam-column joint.
Owner:XIN JIANG JIAN ZHU SHE JI YAN JIU YUAN GU FEN YOU XIAN GONG SI +1

Double-station synchronous clamping tool

The application relates to the technical field of clamping devices, and discloses a double-station synchronous clamping tool, which comprises a clamping device, a workpiece placing platform and a cleaning platform. The clamping device is arranged on a track and can carry the parts on the workpiece placing platform to the cleaning platform after clamping. The clamping device is provided with a first clamping jaw and a second clamping jaw for clamping the parts. The first clamping jaw and the second clamping jaw are provided with expansion clamping jaws which can extend into the central circular holes of the parts. After the expansion clamping jaws enter the central circular holes of the parts, the expansion clamping jaws expand outward and remain in the expanded state after contacting the parts. The first clamping jaw and the second clamping jaw are connected with the clamping device through a turnover block. The turnover block is in the shape of an isosceles right triangle. The first clamping jaw and the second clamping jaw are arranged on two right-angle sides of the turnover block respectively. The oblique side of the turnover block is connected with the clamping device, and the line connecting the midpoint of the oblique side and the right angle is the rotation axis of the turnover block. After the turnover block rotates, the first clamping jaw and the second clamping jaw are exchanged in position.
Owner:浙江海帝克机床有限公司

Fastener thread machining device

The invention discloses a fastener thread machining device, and relates to the technical field of thread machining, the fastener thread machining device comprises a rack, the rack is provided with a guide plate, and the guide plate is provided with a transfer claw used for transferring blanks and a right triangle guide groove used for guiding the transfer claw to move. The transfer claw moves along the guide groove in the guide plate, a blank on a linear feeding machine is conveyed between the movable plate and the static plate, the supporting plate on the transfer claw continuously lifts the head of the blank in the initial stage of blank extrusion, the blank is kept to be vertically arranged, regular threads are conveniently pressed on the lower portion of the blank through the movable plate and the static plate, and the blank extrusion efficiency is improved. After the transfer claw moves along with the blank for a period of time, the U-shaped notch formed by the supporting plate is back to the inclined part, the transfer claw moves along with the inclined part, the supporting plate is separated from the blank, the groove formed by pressing the lower part of the blank is embedded with the bulges on the movable plate and the static plate, the vertical state can be kept without support, and the movable plate continuously moves to be matched with the static plate to press regular threads on the blank.
Owner:ANHUI AODACO AUTO PARTS CO LTD

Photovoltaic bracket suspension support structure

ActiveCN224289696UPerfect for simplicity needsreduce transport volumePhotovoltaic supportsPhotovoltaic energy generationRight triangleAgricultural engineering
This utility model discloses a photovoltaic bracket suspension support structure, mainly comprising triangular support stabilizing units. Each triangular support stabilizing unit consists of two equally sized right-angled triangular supports symmetrically arranged on the left and right sides of a column. The right-angled triangular supports are composed of a column, a crossbeam, and diagonal braces, with the column and crossbeam serving as the right-angled sides and the diagonal braces as the hypotenuses. The two right-angled triangular supports share a single column. This utility model offers advantages such as economy and safety, high construction efficiency, and rapid component installation. It effectively solves problems such as difficulty in installing photovoltaic modules in fish-solar hybrid projects, agricultural-solar hybrid projects, and projects with excessively high ground clearance, which often result in low efficiency, long construction periods, and uneconomical costs.
Owner:CHINA ENERGY ENG GRP GUANGXI ELECTRIC POWER DESIGN INST

A child-friendly street smart playground device

ActiveCN224585349URich play experienceelicit activityRight triangleConstruction engineering
The application relates to a street intelligent playground device suitable for children, which comprises seven modules, the seven modules comprising five isosceles right-angled triangle modules, one rectangular module and one parallelogram module, the seven modules being spliced with each other to form a seven-piece puzzle structure, and the modules being connected through magnetic adsorption. The application has the effect of improving the applicability of the children playground device.
Owner:SUZHOU PLANNING & DESIGN RES INST CO LTD

Medical pillow

To provide a medical pillow which can suppress head rotation by arranging a pillow body and head fixing parts on both ends of the upper surface of the pillow body. [Solution] It is composed of a pillow body 1 and head fixing parts 2 arranged on both ends of the upper surface of the pillow body, and the cross section of the head fixing part 2 is a right triangle or a trapezoid with a right angle, and its inclined surface is arranged toward the head. In addition, by providing hook-and-loop fasteners 4 on sides A and B of the head fixing part 2 and making it detachable, it can be adjusted to fit the size of the patient's head, suppressing head rotation and helping to prevent the patient's condition from worsening and increasing comfort.
Owner:今泉 満

Small stop-and-hold hinge

ActiveCN224679349URight triangleGasket
Small follow-up self-limiting hinge relates to connecting piece. The utility model discloses fixed end, movable end, damping screw and damping gasket, the tail of fixed end both ends symmetry sets up a scalene right triangle of triangular plate, and the inside bevel of two triangular plates is fixed with baffle, and the circular hole is arranged on the triangular plate, the tail of movable end is provided with two lug plate, and two lug plates are located between two triangular plates and are close to the triangular plate of same side, and the circular hole is arranged on the lug plate, and the damping gasket is arranged between the lug plate and the triangular plate, and the damping bolt passes through the circular hole on the lug plate and the triangular plate in proper order, and the movable end is fixed in the tail of fixed end, and the movable end rotates around the damping bolt, and the lug plate is provided with triangular convex outside, and the convex is towards the tail of movable end. The utility model discloses the interaction of damping gasket and damping bolt, and in the movable end rotation process, play the role of hovering, utilize the interaction of convex and baffle, play the purpose of limiting.
Owner:YUNNAN IND INVESTMENT SOFTWARE TECH DEVT CO LTD

Intelligent edge film folding structure for sofa packaging

The invention provides an intelligent edge film folding structure for sofa packaging, and belongs to the technical field of packaging equipment.The intelligent edge film folding structure comprises a conveying assembly used for conveying a sofa, the conveying assembly is provided with a conveying channel, the intelligent edge film folding structure further comprises a folding assembly, the folding assembly comprises folding grooves, and the two sides of the conveying channel are each symmetrically provided with one folding groove; the folding groove comprises a bottom plate, a folding plate is integrally formed on one side of the bottom plate, the bottom plate is in a right triangle shape, one right-angle side of the bottom plate is perpendicular to the conveying direction and located on the upstream side of the conveying direction, and the folding plate is in a conical cambered surface shape. The inner diameter of the folding plate is gradually reduced towards the downstream side of the conveying direction and is transited into a flat plate shape, and the folding assemblies in specific shapes are arranged on the two sides of the conveying channel, so that various problems caused by film edge extension in sofa sponge packaging are effectively solved.
Owner:NAIJU (HUZHOU) INTELLIGENT MACHINERY EQUIPMENT CO LTD

Display operation section of a graphical user interface for determining whether a measured value of a component is acceptable

1. Name of the product in this design: Display and operation unit of a graphical user interface for determining whether the actual measured value of a component is qualified in an electronic device. 2. Purpose of this design: An electronic device. 3. The key design features of this product are the parts for which protection is sought. 4. The image or photograph that best illustrates the key design points: Design 1 change state diagram. 5. Design 1 is designated as the basic design. 6. Purpose of the graphical user interface: The interface is used to display and operate the graphical user interface that uses a measuring machine to read the actual measurement values ​​of a component to determine whether the component is qualified. The interface section displays the graphical user interface (GUI). For Design 1 and Design 2, users can input the product batch number and serial number of the component shown in the left-hand design drawing by clicking the pen-shaped tools in the first and second columns on the right. The tool-shaped icon in the third column on the right is the measuring machine information bar; clicking the gear tool allows selection of measuring machine information. The position icon in the fourth column on the right displays the measured position in the design drawing. Users can set the upper and lower limits based on the design tolerance by clicking the two vertically arranged pen-shaped icons in the fifth column. The measurement result column in the sixth column displays the actual measured value of the component. Users can input the actual measured value using the arrow and keyboard icons on the right. Design 1 displays the change state diagram of Design 1 when the actual measured value is within the above tolerance, with "PASS" displayed below the measurement result, indicating that the component is qualified. Design 2 displays the change state diagram of Design 2 when the actual measured value is outside the above tolerance, with "FAIL" displayed below the measurement result, indicating that the component is unqualified. At the bottom of each design interface, from left to right, are the stop icon, the left and right triangle icons to select different design drafts, the right arrow icon to send or return, and the measurement complete icon. 7. Other situations requiring explanation: The areas covered by the semi-transparent light purple in the image represent content for which protection is not sought.
Owner:MITUTOYO CORP

Liftable protective shed for construction elevator in hoistway

The utility model relates to the technical field of building construction, and provides a liftable protective shed for a construction elevator in a hoistway, which comprises a protective platform and a support frame arranged below the protective platform; the supporting frame comprises a supporting platform, a vertical supporting rod, an inclined supporting rod and a clamping angle short rod. The supporting platform, the vertical supporting rods and the inclined supporting rods are connected to form a right triangle structure. The upper ends of the vertical supporting rod and the inclined supporting rod are connected to the two ends of the supporting platform respectively. The corner clamping short rod is connected to the joint of the lower ends of the inclined supporting rod and the vertical supporting rod, a right-angle bayonet with a downward opening is formed by the corner clamping short rod and the lower end of the inclined supporting rod, and the right-angle bayonet is used for abutting against the edge of a lower building structure; the end, connected with the inclined supporting rod, of the supporting platform is used for abutting against the side wall of the upper building structure. The protective shed can meet the requirements for rapid movement and reutilization, the problem that a scaffold needs to be disassembled and erected repeatedly in a traditional protective mode of the elevator shaft is solved, manpower and material resources are saved, the construction period is shortened, and rapid construction is facilitated.
Owner:NO 1 CONSTR ENG CO LTD OF CHINA CONSTR THIRD ENG BUREAU CO LTD

A multi-module bidirectional variable configuration mechanism

The application relates to a multi-module bidirectional variable-configuration mechanism and belongs to the technical field of spaceflight. The mechanism comprises a first module, a second module, a first hinge group and a second hinge group, the first module and the second module are equilateral right-angled triangles, the number of the first module and the second module is four, the first module and the second module are alternately connected, the lower hypotenuse of the adjacent first module and the second module is connected through the second hinge group, and the upper right-angled side of the adjacent first module and the second module is connected through the first hinge group. Through ingenious structural design and driving layout, the mechanism solves the problems of a large number of driving quantity and a complex control system of a previous complex deformation structure, can realize configuration switching through one or two drives, is lightweight and small-sized, the adaptability is increased, and the control cost is reduced.
Owner:HARBIN INST OF TECH

Auxiliary support for bending machine

The utility model discloses an auxiliary support for a bending machine, which relates to the technical field of bending machines and comprises a body, a pressing arm arranged on the body, a pressing knife arranged on the pressing arm, a folding knife arranged below the pressing knife on the body, a slide rail horizontally arranged at a position close to the folding knife on the body, and at least one slide block arranged on the slide rail in a sliding manner. A rotating sleeve is detachably installed on the sliding block, a rotating column is rotationally arranged in the rotating sleeve, the axis of the rotating column is perpendicular to the length direction of the sliding rail, a first supporting arm is horizontally arranged at one end of the rotating column, an inclined strut is arranged between the first supporting arm and the end, away from the rotating sleeve, of the rotating column, and the inclined strut, the rotating column and the first supporting arm form a right triangle; a first brake bolt is arranged on the sliding block; the distance between the first supporting arms is adjusted through the sliding rails and the sliding blocks, the whole first supporting arms are stored through the rotating columns and the rotating sleeves, the first supporting arms can be tightly attached to the body to be stored, increase of the width of the bending machine is avoided, occupied space is reduced, and transportation is convenient.
Owner:QINGDAO AITE INTELLIGENT EQUIP CO LTD

Inverted-V-shaped and straight-line-shaped combined stepped energy dissipater

The invention discloses an inverted-V-shaped and linear combined stepped energy dissipater which is composed of a discharge chute, side walls and steps, the steps are formed by arranging linear steps and inverted-V-shaped steps alternately at intervals from the upstream of the discharge chute to the downstream of the discharge chute, and the alternate interval arrangement mode is that one inverted-V-shaped step and one linear step are sequentially and alternately arranged at intervals; or one inverted V-shaped step and two linear steps are alternately arranged at intervals in sequence, or one inverted V-shaped step and three linear steps are alternately arranged at intervals in sequence; the upstream first step is in an inverted V shape, and the edge of the tail end of the inverted V-shaped step in the water flow direction is in an inverted V shape. The initial edge, in the water flow direction, of the inverted-V-shaped step is connected with the linear step located on the upper step of the inverted-V-shaped step, and the top of the V shape and the initial edge of the inverted-V-shaped step are located on the same straight line. The inverted-V-shaped step is symmetrical about the central axis of the discharge chute and is composed of two right triangle steps symmetrical about the central axis of the discharge chute, and two bevel edges of a triangle are connected to form an inverted-V shape. The energy dissipater can improve the energy dissipation characteristic of the discharge chute and improve the energy dissipation effect.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE

Formwork wall installation verticality measuring tool

The utility model discloses a formwork wall installation perpendicularity measuring tool, relates to the technical field of building construction quality acceptance, and solves the problems that a perpendicularity measuring tool in the prior art is inconvenient to move and operate and low in use flexibility. A formwork wall installation perpendicularity measuring tool comprises a triangular support, the triangular support is of a right triangle structure, a graduated scale is arranged on one vertical edge of the triangular support, a supporting rod is arranged on the bevel edge of the triangular support, and a drop hammer is hung on the supporting rod. According to the tool, the structure of the supporting component is simplified, the triangular support which is simple and light in structure is arranged, taking and moving use are convenient, the calibrated scale is arranged and matched with the suspended drop hammer, whether the wall point position corresponding to the vertical edge where the calibrated scale is located deviates or not can be measured, and the inclination deviation degree can be determined. Moreover, the tool is light in structure, can achieve real-time measurement of the perpendicularity of the formwork wall in the installation process under various working conditions, and has the advantages of being accurate in measurement, easy and flexible to operate, rapid in paying off and the like.
Owner:CHINA CONSTR SEVENTH BUREAU SIXTH CONSTR CO LTD

Protective device

The invention belongs to the technical field of erosion gully treatment, and discloses a protection device which comprises a plurality of truss units and a plurality of inclined supports, every two oppositely-arranged truss units form a group, each group of truss units abut against the side walls of farmland on the two sides of a river channel, and the multiple groups of truss units are arranged at intervals in the water flow direction of the river channel. The two truss units, located on the same side, of every two adjacent sets of truss units are connected through a plurality of inclined supports. The section of each truss unit is in a right triangle shape, and the two right-angle sides of each truss unit abut against the side wall of the farmland and the surface of the river channel respectively. According to the protection device, in-situ supporting of the eroded gully wall can be achieved through the truss units in the protection device, so that large-scale slope cutting is avoided, meanwhile, the cross section of each truss unit is arranged to be in a right triangle shape, the prefabricated truss units can be effectively used as core soil retaining components to replace traditional sloping soil bodies, and the treatment effect of no slope cutting is achieved.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES

An explosion shock wave absorbing structure and a design method thereof

The present application relates to a kind of explosion shock wave wave-absorbing structure and design method, it is related to underground mine mining technical field, wave-absorbing structure includes core wave-absorbing rock and the roadway arranged with core wave-absorbing rock as center, the core wave-absorbing rock is right triangle or obtuse triangle, the largest angle of its angle side is explosive magazine associated lane, the explosive magazine associated lane is connected with underground explosive sub-bank, the explosive magazine associated lane is as the entering end of explosive shock wave of explosive magazine, the largest angle of the angle of the core wave-absorbing rock triangle structure is connected with the two edge sides and opposite side of the largest angle of the angle, as shock wave gas buffer lane, safety lane associated lane is arranged in the opposite side midpoint of the largest angle of the angle. Through the engineering arrangement of this explosion shock wave wave-absorbing structure, the shock wave generated by underground explosive magazine accidental explosion can be absorbed, so as to play the role of protecting output end position main lane and personnel, equipment.
Owner:ANSTEEL GROUP MINING CO LTD +1

Expressway bridge anti-collision wall formwork sling cart

The utility model relates to an expressway bridge anti-collision wall formwork sling cart which comprises a cart body, the cart body is used for transferring formworks on a bridge, the cart body comprises two right triangle frames connected through a cross beam, and the distance between the two right triangle frames in the horizontal direction is gradually reduced till the two right triangle frames intersect. A direction adjusting assembly for controlling the moving direction of the vehicle body is arranged at the intersection; the hoisting assembly is arranged on the cross beam and used for adjusting the position of the formwork and controlling the moving direction of the vehicle body in the hoisting and fixing process. Through the structure and the miniaturized design, the equipment cost is reduced, meanwhile, the construction efficiency is improved, the requirement of modern construction for economy is met, the compatibility with the on-site construction environment is improved, and the bridge formwork transfer device is mainly used for transferring formworks on a bridge and improving the moving efficiency. The problems that in the hoisting construction of the anti-collision wall in the related technology, large hoisting equipment is high in manufacturing cost, and the hoisting construction is difficult due to the fact that a good parking environment cannot be met for high-height river-crossing bridges and deep-valley bridges are solved.
Owner:CHINA RAILWAY MAJOR BRIDGE ENG GRP CO LTD

Wave simulation method, device and equipment based on triangular numerical wave water tank and medium

The invention relates to the technical field of wave simulation, and discloses a wave simulation method, device and equipment based on a triangular numerical wave flume and a medium, and the method comprises the steps: constructing a right triangle computational domain, carrying out the grid division of the right triangle computational domain, setting the top boundary of the right triangle computational domain as a pressure outlet, and carrying out the calculation of the pressure outlet; setting the horizontal right-angle side, the vertical right-angle side and the inclined side as speed inlets; loading theoretical velocity vectors of the wave water quality points to velocity inlets corresponding to the horizontal right-angle side, the vertical right-angle side and the inclined side; constructing a wave simulation model, and superposing a momentum source item in the wave simulation model; the momentum source item adjusts a difference value between a wave theoretical velocity solution and a current flow field numerical solution through a weighting function; and carrying out iterative solution on the wave simulation model, and outputting and updating the wave surface elevation and flow field velocity distribution in the right triangle calculation domain. According to the invention, the problem of serious reflection interference at the lateral boundary can be reduced, and the calculation efficiency is improved.
Owner:GUANGDONG OCEAN UNIVERSITY

Level gauge bracket erected on column steel bar

The utility model discloses a level gauge bracket erected on a column steel bar. The level gauge bracket comprises a three-point anchoring system, an instrument mounting platform and a triangular base, the vertical section of the triangular base is in a right triangle shape. The three-point type anchoring system comprises two movable buckles and a fixed buckle, and the movable buckles and the fixed buckle are detachably connected with the column steel bars at the corresponding positions respectively. The two movable buckles are connected to the two edges of the triangular base through hinge mechanisms respectively, and the fixed buckle is rigidly connected to the third edge of the triangular base. The hinging mechanism comprises a sleeve and a rotating shaft; the sleeves are arranged on the edges of the triangular base at intervals in the longitudinal direction. The rotating shaft is arranged in the two sleeves in a penetrating mode, and locking nuts are in threaded connection with the positions, located on the two sides of the sleeves, of the rotating shaft respectively. The instrument installation platform comprises a platform plate and a laser positioner. According to the utility model, the technical problem that the error of the measured elevation is large because the template vibrates up and down when the traditional level gauge is erected on the template panel is solved.
Owner:CHINA CONSTR FIRST BUREAU GRP SOUTHEAST CONSTR CO LTD +2

An airborne laser point cloud ground target device and a pose solving method

The embodiment of the application provides an airborne laser point cloud ground target device and a pose solving method, and belongs to the technical field of measurement, and specifically comprises: a point cloud data target component, a target space pose determination component and a digital marker component; the point cloud data target component is composed of two square plane target plates, the two plane target plates are fixed through rigid support rods, and form an inverted V-shaped structure in a relatively inclined manner, and the upper edges of the two plane target plates are parallel to each other and have a spacing; the target space pose determination component is composed of two coplanar and symmetric isosceles right triangles whose symmetry axes are perpendicular to each other, and the two triangles are arranged at a common reference vertex; the digital marker component is four circular markers with numbers, the four circular markers are coplanar with the two triangles, and are symmetrically arranged in four quadrants divided by the symmetry axes of the triangles with the common reference vertex as the center. Through the scheme of the application, the monitoring accuracy and adaptability are improved.
Owner:CENT SOUTH UNIV