532 results about "Right triangle" patented technology

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.

The invention discloses a continuous overturning and pouring device for saggars, which relates to the related technical field of material conveying and blanking and comprises an overturning unit, a driving unit and a cover pushing unit. The overturning unit comprises a rotating motor, a rotating roller is arranged at the output end of the rotating motor, a baffle is arranged at one end of the peripheral side of the rotating roller, a bottom supporting plate is arranged at one end of the baffle, and a top supporting plate is arranged at the other end. The driving units are arranged on the two sides of the baffle in a mirroring mode, each driving unit comprises a second linear mechanism arranged at one end of the peripheral side of the rotating roller, a vertical L-shaped plate is arranged at the output end of the first linear mechanism, a transverse L-shaped plate is arranged at the upper end of the vertical L-shaped plate, and a cover blocking block further extends from the upper end of one short side of the C-shaped clamp. The cover pushing unit is arranged below a driving unit, a transverse rod is arranged at the output end of the fourth linear mechanism, and a pair of triangular blocks with right-triangle-shaped sections is arranged on one side of the transverse rod. According to the saggar overturning and discharging device, the saggar can be automatically overturned and discharged, and the saggar can be automatically overturned and put back to the roller conveyor.

The present invention discloses a bending device for angle steel production, which relates to the technical field of angle steel processing, and includes an operating table, a stamping mechanism, and a detection unit. The operating table is equipped with a bending mechanism for bending the angle steel, and the bending mechanism includes two bending blocks and a power assembly for pushing the angle steel to bend. A stamping groove with a right-angled triangle cross section is provided at the center of the operating table. Two symmetrically distributed arc grooves are provided on the operating table with the right angle point of the stamping groove as the center of the circle. An arc slider is connected to the bottom of each bending block, and the two arc sliders are slidably connected to the two arc grooves respectively. The stamping mechanism is installed on the operating table for stamping before the angle steel is bent. The right-angle detection head provided by the present invention can perform right-angle detection on the stamping cutter and the angle steel bent part during the two processes of stamping and bending, which ensures product quality on the one hand and facilitates timely discovery of product problems and the cause of the problems on the other hand.

The invention discloses a composite toggle type displacement amplification damping device of a self-resetting damper and an assembly method, and belongs to the technical field of structural engineering and structural earthquake resistance, the device comprises a steel frame structure, the self-resetting damper installed on the steel frame structure, a toggle type supporting rod piece and a right-angle curved bar; one end of the self-resetting damper is hinged to the steel frame structure, the other end of the self-resetting damper is hinged to a right-angle curved bar, the end of the first supporting piece and the end of the second supporting piece are hinged to the steel frame structure, and the end of the third supporting piece is hinged to the right-angle curved bar which is hinged to the steel frame structure. A movable triangular plane is formed among the second supporting piece, the third supporting piece, the right-angle curved bar and the self-resetting damper, and a plane formed by connecting lines between hinge points on the right-angle curved bar is a right triangle. The damper can solve the problems of low damping efficiency and large post-earthquake residual deformation caused by insufficient relative deformation of the two ends of an existing damper and incapability of fully dissipating earthquake energy.

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.

The invention belongs to the technical field of mechanical part machining, and particularly relates to automatic feeding and discharging laser cutting equipment for flange plate production. The automatic feeding and discharging laser cutting equipment comprises a workbench, a slag discharging opening is formed in one side of the upper end of the workbench, a recycling opening is formed in one side of the lower end of the workbench, and the recycling opening is in an inverted right triangle shape and communicates with an inner cavity of the slag discharging opening; a discharging cleaning assembly is arranged in an inner cavity of the slag discharging opening, a feeding cutting assembly is arranged above the slag discharging opening and used for cutting an alloy steel plate machining flange plate, and the problems that due to cutting of existing laser cutting equipment, a large amount of waste residues generated through laser heating gasification can be generated, the waste residues are accumulated in a workbench for a long time, and the waste residues generated through laser heating gasification can be mutually bonded and blocked; if the flange plate is cleaned in time, the penetrability of the laser cutter can be influenced by waste residues, and after the flange plate is cut, the alloy steel plate, the flange plate and waste materials need to be separated and recycled, so that the operation is tedious, and the production efficiency of the flange plate is influenced.

The utility model relates to the technical field of sweeping robots, in particular to a cleaning mechanism of an indoor sweeping robot, which comprises a first vertical plate and a second vertical plate, a telescopic component is arranged between the first vertical plate and the second vertical plate, a connecting plate is fixedly arranged on the left side of the first vertical plate, and two groups of cleaning units are arranged on the left side of the connecting plate; the cleaning unit comprises a support, the support is of a hollow right triangle structure, supporting shafts are assembled at the three corners in the support in a penetrating mode, transmission wheels are assembled on the supporting shafts on the lower side of the support and are in transmission connection through cleaning belts, cleaning brushes are fixedly arranged at the lower ends of the cleaning belts, and belt wheels are assembled on the supporting shafts on the upper side of the support. The belt wheels are in transmission connection through a belt. Through the two sets of cleaning units which are arranged in an attached mode and are of a right triangle structure, the bottom and corners of the wall surface can be effectively cleaned, adaptability is high, the cleaning effect is remarkably improved, and the overall cleanliness of the indoor environment is guaranteed.

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.

The utility model provides a sealing ring structure of a chip and the chip, the sealing ring structure surrounds a chip main body and is arranged in a dielectric layer above a substrate, the sealing ring structure comprises an inner sealing ring, the inner sealing ring surrounds the chip main body and comprises a plurality of straight edges, extension lines of adjacent straight edges form a right angle, and a chamfer is formed between adjacent straight edges; the outer sealing ring is arranged around the inner sealing ring, and chamfers are formed between the adjacent straight edges; the right triangle sealing areas are arranged on the periphery of the chamfer of the outer sealing ring on the outermost layer, the bevel edges of the right triangle sealing areas are opposite to the chamfer, and the right-angle edges of the right triangle sealing areas are overlapped with the extension lines of the straight edges of the outer sealing ring on the outermost layer; in the thickness direction of the chip body, the inner sealing ring, the outer sealing ring and the right triangle sealing area comprise a plurality of metal layers, and a plurality of staggered metal strips coupled between every two adjacent metal layers are arranged between the adjacent metal layers. According to the technical scheme, the sealing ring is stable in structure, especially at the corner.

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.

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.

The utility model discloses a sound barrier structure arranged back to a noise source, which comprises a T-shaped device body, the top end of the device body is provided with a sound absorber structure, the sound absorber structure comprises a plurality of tip sound absorbers which are arranged in sequence, each tip sound absorber is of an isosceles right triangle structure, and the tip sound absorbers are arranged at the top end of the T-shaped device body. The first right-angle side of each tip sound absorber serves as the bottom of the tip sound absorber and is connected with the top end of the T-shaped device body, the first right-angle sides and the inclined sides are arranged in the mode that the first right-angle sides and the inclined sides do not face a noise source, namely the second right-angle sides are opposite to the noise source, and the second right-angle side of each tip sound absorber serves as the height of the tip sound absorber and is right opposite to the noise source in a vertical mode. Compared with the prior art, the sound barrier structure has the highest insertion loss value within the center frequency range of 500 Hz to 1600 Hz, so that the sound wave absorption rate is highest, and the noise reduction effect is best.

Provided in the present disclosure are a rasterization method, and a processor, a system and an electronic device. The method comprises: on the basis of vertex coordinates of a triangular primitive to be rasterized and vertex coordinates of a bounding rectangle of the triangular primitive, determining vertex coordinates of a first rectangle, wherein the bounding rectangle is divided into the at least one first rectangle by means of a first tangent line and a second tangent line; and for some or all pixel points in each first rectangle, using the following method to determining whether the pixel points are within the triangular primitive: for pixel points located within a first rectangle of a first type, determining that the pixel points are outside the triangular primitive, and for the pixel points located within a first rectangle of a non-first type, on the basis of the distances between the pixel points and two right-angled edges of a target right triangle and on the basis of the proportionality principle of similar triangles, determining whether the pixel points are within the triangular primitive. Thus, complex operations are reduced, thereby greatly saving on hardware resources and reducing power consumption required during rasterization.

The utility model discloses a water body purification ecological floating island, and particularly relates to the technical field of ecological floating islands, the water body purification ecological floating island comprises a planting pot used for planting plants, a floating bed plate is arranged at the outer end of the planting pot, and the cross section of the floating bed plate is in a regular octagon shape; splicing assemblies used for connecting the multiple floating bed plates together are installed on the side edges of the floating bed plates. The splicing assembly comprises eight triangular floating plates, the eight triangular floating plates are movably connected with the eight side edges of the floating bed plate through hinges respectively, and the cross section of each triangular floating plate is in the shape of an equilateral right triangle. According to the utility model, the triangular floating plates at different positions are turned over downwards, so that the single ecological floating bed is square, all the triangular floating plates are turned over downwards, so that the single ecological floating bed is regular octagonal, the shapes and types of the single ecological floating bed are enriched, and the single ecological floating bed provided by the utility model can have different shapes after being spliced.

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.

The invention belongs to the field of microwave wireless power transmission, and discloses a transparent linear circular polarization converter applied to microwave wireless energy transmission, which is composed of five layers of structures: a first layer is a cross patch with an inclined angle of 45 degrees, a cross recess is formed in the middle of the cross patch, and the whole body is composed of a cell with the external size of 1 * 1mm and the internal size of 0.95 * 0.95 mm; the wire width of all the copper wires is 0.05 mm; the second layer is a square substrate pet, the dielectric constant is 3.5, and the dielectric loss angle tangent is 0.03; the third layer is formed by splicing four isosceles right triangles, and the length of the right-angle side of each triangle is equal to half of the unit period; and the fourth layer and the fifth layer are completely the same as the second layer and the first layer. According to the invention, linear polarized waves can be effectively converted into circularly polarized waves in a microwave frequency band, high light transmittance can be maintained, and the device is suitable for being applied to intelligent windows, photovoltaic-microwave hybrid energy systems and other scenes.

The utility model discloses a polishing machine for mechanical parts, which relates to the technical field of polishing machinery and comprises a base, a polishing unit and a jacking unit are arranged on the base, the polishing unit comprises a stand column, an auxiliary wheel is arranged at one end of the stand column, a driving wheel is arranged at the other end of the stand column, a first driving motor is arranged on the driving wheel, and a tensioning wheel is arranged on the stand column. A polishing belt is wound on the auxiliary wheel, the tensioning wheel and the driving wheel, the jacking unit comprises a sliding seat and a jacking plate, two jacking pieces are arranged on the sliding seat, each jacking piece is of a right triangle structure, a pulley is arranged on each jacking piece in a sliding mode, the pulleys are installed on one side of the jacking plate, a guide mechanism is arranged between the jacking plate and the base, and an elastic mechanism is arranged on the other side of the jacking plate. The elastic mechanism is elastically and horizontally connected with a carrying plate; a threaded hole is formed in the jacking piece in a penetrating mode, a lead screw is arranged in the threaded hole, and a second driving motor is arranged at one end of the lead screw. According to the utility model, the elastic adjustment of the polishing distance is realized, the excessive polishing is prevented, and the polishing quality and efficiency are improved.

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.

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.

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.

A portable multipurpose subdivision graduation protractor comprises a main ruler, an auxiliary ruler and a precise hinge shaft unit. The main ruler is of a structure similar to a right triangle, two right-angle sides are main ruler arms, a bevel edge is replaced by a 135-degree fold line, and 45-degree, 135-degree and 90-degree external angles are provided and can be directly used as a fixed angle sample plate; the surface of the main ruler is provided with easily-identified fan-shaped distribution scales which are correspondingly arranged in two layers as difference reference lines; parallel step notches are formed in the upper edge of the vertical main ruler arm and are used for small-angle measurement; the auxiliary ruler is of a two-right-angle-side structure, the vertical side is an auxiliary ruler arm, and the auxiliary ruler can also be used as a fixed-angle sample plate. The horizontal side is a pointer arm, the end portion is of a fan-shaped structure, the radius is the same as that of the fan shape of the main ruler, and ruler reading visual errors can be reduced. Various interior angles can be widely measured and mapped, difference group scribed lines are effectively set, and an error conduction chain is shortened due to the fact that the whole ruler is not provided with redundant components. The precision machining problem is solved, and the measurement precision can be further improved.

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.

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.

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.

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.

The utility model belongs to the technical field of shaft sleeve machining, and particularly relates to a shaft sleeve grinding and polishing device which comprises a three-jaw chuck assembly, a sand blasting piece, a machining table, an inserting assembly, a spiral blade telescopic air cylinder, a spiral blade driving motor assembly and a controller, the three-jaw chuck assembly is detachably connected with a shaft sleeve, and the machining table comprises a supporting table plate, a first side plate, a second side plate and an inclined bottom plate. The upper end of the inclined bottom plate is fixedly connected with the lower end of the supporting table plate, the bottom face of the inclined bottom plate is horizontal, the vertical section of the inclined bottom plate is in a right triangle shape, and the inserting-connecting assembly comprises spiral blades, a fixing column and a side baffle, and the end, away from the three-jaw chuck assembly, of the side baffle is detachably connected with the rotary blade driving motor assembly. And the height of one end, close to the side plate I, of the shaft sleeve is smaller than the height of one end, far away from the side plate I. Compared with the prior art, the grinding and polishing device has the advantages and positive effects that sand sprayed by the sand blasting piece is dynamically flattened through the uniform scraping plate, and the grinding and polishing effect is better.

A multifunctional transformer coil framework comprises a hollow core column, an upper end face plate is arranged at the upper end of the hollow core column, a lower end face plate is arranged at the lower end of the hollow core column, wire outlet holes are formed in the two sides of the upper end face plate, the wire outlet holes in the two sides are oblong holes, or the wire outlet hole in one side is an open groove-shaped hole, and the wire outlet hole in the other side is an oblong hole. The two sides of the lower end panel are also provided with wire outlet holes, and the wire outlet holes in the two sides are open groove-shaped holes. Supporting beams are arranged on the bottom faces of the upper end panel and the lower end panel and close to the wire outlet hole, reinforcing ribs are arranged on the two sides of the wire outlet hole, the supporting beams and the upper end panel or the lower end panel are connected into a whole through the reinforcing ribs, the reinforcing ribs are in a long right triangle shape, and reliable strength is guaranteed. According to the utility model, the use requirements on the transformer coil under different voltage and current conditions can be met, and when the transformer coil assembly is subjected to vacuum insulation paint dipping treatment, the wire outlet holes in the two sides of the upper end panel or the wire outlet holes in the two sides of the lower end panel are beneficial to paint dripping and heat dissipation of the transformer coil assembly.

The utility model provides a grounding copper bar with high assembly effect, which comprises a lead fixing structure, the lead fixing structure comprises an adjusting bolt and a pull rod, the outer wall of the bottom of the adjusting bolt is rotatably connected with a lifting ring, the two sides of the bottom of the lifting ring are rotatably connected with limiting blocks, and the longitudinal section of each limiting block is arranged to be a right triangle. According to the utility model, the through hole of the wiring nose is directly sleeved on the outer wall of the conductive shaft and the wiring nose is moved downwards, so that the wiring nose extrudes the limiting block, the wiring nose can completely pass through the limiting block, and then the limiting block resets to fix the wiring nose, so that the wiring nose can be quickly connected with the conductive column; and the pull rod is directly pulled downwards, so that the pull rod drives the limiting block to be retracted into the conductive shaft, and the wiring nose can be quickly taken down.

The invention relates to the field of pipe-jacking construction, and discloses a pipe-jacking working well supporting structure for pipe-jacking construction of an airport comprehensive pipe gallery, which comprises a plurality of cast-in-situ bored piles arranged around the periphery of a working well foundation pit by one circle; the profile steel enclosing purlins are fixedly connected to the cast-in-situ bored piles, and each profile steel enclosing purlin is composed of a plurality of profile steels which are connected end to end and fixedly connected to the corresponding foundation pit face; the section steel inclined supports are fixedly connected between the two adjacent section steel enclosing purlins; the gusset plate is in an isosceles right triangle shape, and the two right-angle sides of the gusset plate are fixedly connected between the two adjacent profile steel enclosing purlins respectively. The structural steel inclined supporting steel enclosing purlins are adopted, the triangular gusset plates are adopted at the corners for full penetration welding, rigid nodes are formed, a three-dimensional stress network is formed in combination with an external pulling anchor supporting device, a space truss supporting system is formed, and the dual mechanism of rigid constraint and prestress compensation of deep foundation pit supporting is achieved; the problems that a traditional supporting structure is insufficient in rigidity, poor in adaptability and complex in construction are solved.

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.