129 results about "Cross bracing" patented technology

The invention provides a cable-stayed bridge cross brace hoisting monitoring and early warning method, and the method comprises the steps: building a finite element model based on the design parameters of a cable-stayed bridge and a cross brace, and calculating the safety envelope of the displacement, rotation angle and stress of a control point; displacement, strain and cable force sensors and industrial cameras are arranged in a cross brace and an anchoring area, and data and images are collected. Inputting the image into a first convolutional neural network model, extracting attitude parameters such as vertical and lateral offsets and torsion angles of each control point, and adapting to different imaging scales through a scale adaptive convolution module; and aligning and splicing the attitude parameters with sensor displacement, strain and cable force indexes according to time to form a feature sequence, inputting the feature sequence and safety envelope parameters into a second convolutional neural network risk assessment model, outputting a comprehensive risk index reflecting deviation from safety envelope, and generating construction treatment instructions such as hoisting speed reduction and hoisting point stress adjustment. According to the monitoring and early warning method, the construction safety is greatly improved, and monitoring and early warning of the whole process of cross brace hoisting are achieved.

The utility model discloses an anti-tilt scaffold which comprises a steel frame and two crossed supporting rods arranged on the two sides of the steel frame, the outer sides of the four corners are respectively provided with a pair of fixing pieces, an inner rod is arranged between the fixing pieces, a plurality of limiting holes are formed in the inner rod, a sleeve rod is arranged on the outer side of the inner rod, and the sleeve rod is connected with the steel frame. An adjusting knob is arranged on the sleeve rod, through holes are formed in the two sides of the lower portion of the sleeve rod respectively, an inserting rod is arranged at the bottom of the sleeve rod, a spring is arranged on the outer side of the inserting rod, a base is arranged at the bottom of the inserting rod, rotating pieces are arranged on the two sides of the base respectively, and a bottom plate is arranged below the rotating pieces. According to the scaffold, the two sides of the steel frame can be supported, the steel frame is prevented from inclining towards the two sides, the safety risk of workers is reduced, and through friction between the inserting rods and the sleeve rods and the buffering effect of the springs, shaking of the scaffold can be reduced, and the scaffold is stabilized.

The utility model provides a kind of screw fastening auxiliary device in furniture processing medium board metal iron stand, it is related to screw fastening auxiliary technical field, including eccentric wheel, fastening mechanism and reinforcing mechanism, the fastening mechanism includes fastening plate and magnetic block, the inner bottom wall of the magnetic block is connected with fastening plate, inner top wall, the fastening plate and magnetic block are used to connect the fastening purpose of screw and eccentric wheel, the reinforcing mechanism includes counterweight, the inside fixed connection of the counterweight has cross plate, the inside fixed connection of cross plate and counterweight, in the utility model, when screw is connected with eccentric wheel, fastening plate can limit one end of screw, and magnetic block can adsorb and fix one end of screw, so that the purpose of double fastening of screw can be achieved, and the strength of eccentric wheel can be improved by using the weight of counterweight and the cross support of cross plate.

The utility model relates to the technical field of security engineering construction, in particular to a drilling device for security construction, which is safe to use and comprises a first U-shaped plate, a second U-shaped plate is arranged at the top of the first U-shaped plate, and a sliding rail and a two-way air cylinder are fixedly arranged on the surface of the first U-shaped plate and the surface of the second U-shaped plate respectively. The surfaces of the sliding rails are movably sleeved with supporting plates, and one ends of the two-way air cylinders are fixedly connected with the supporting plates. Through cooperation of the screw rod, the driving motor, the L-shaped plate, the one-way air cylinders and the installation plate, the drilling structure is installed on one side of the top of the screw rod in a threaded sliding mode, the L-shaped plate is installed on the first U-shaped plate through matching of the cross supporting column and the second U-shaped plate, and the drilling structure can be installed on the first U-shaped plate by adjusting the telescopic direction of the left-right two-way air cylinders. And the supporting plate can be driven to push the angle change of the cross supporting column, then lifting and transverse fine adjustment of the drilling structure on the L-shaped plate are achieved, and the drilling precision is improved.

The utility model discloses an aluminum ash recovery device, including chassis, big material receiving groove and small material receiving groove, be provided with gyro wheel at the bottom of chassis, be provided with first support in the both ends of chassis side edge, be provided with handle in the top of first support, be provided with cross bracing between the inner wall of chassis, be provided with big material receiving groove on the chassis, be provided with three small material receiving grooves in big material receiving groove, be provided with sieve hole in the bottom of small material receiving groove, be provided with opening in the side of big material receiving groove to set up chute at the opening place. The utility model discloses through setting up small material receiving groove in big material receiving groove, and setting up sieve hole in the bottom of small material receiving groove, can effectively separate aluminum liquid and aluminum ash residue, reduce the residue of aluminum liquid in aluminum ash residue, improved the recovery rate of aluminum liquid, through setting up opening and chute in the side of big material receiving groove, can guide the aluminum liquid after separation to the specified collection container, improved the separation efficiency, ensure that aluminum liquid can be collected and recovered in time.

The utility model belongs to the technical field of hydraulic engineering equipment, and particularly relates to a water delivery pipeline mud-blocking sand-blocking water-passing anti-floating device which comprises a main body frame, a sand-blocking net, a filtering net and a supporting rod, the main body frame is arranged on the outer wall of a water delivery pipeline in a sleeved mode, and the sand-blocking net is welded to the end of the main body frame and used for blocking large-particle silt and floating objects; the reinforcing frames are distributed in a shape like a Chinese character'mi ', water flow impact force is dispersed through a cross supporting structure, the deformation resistance of the device is enhanced, and the sand blocking net is protected; the filter screen is arranged on the inner side of the sand blocking screen to intercept fine particles layer by layer, so that the pollutant intercepting capacity is improved; the supporting rods are obliquely and vertically installed to form a multidirectional stress system, and the device is effectively prevented from floating in combination with a ballasting area at the bottom of the water conveying pipeline. Through layered filtration, mechanical dispersion and modular design, the technical problems that in the prior art, the interception efficiency is low, the structure is prone to damage, maintenance is difficult, and the buoyancy resistance is insufficient are solved, and the device has the remarkable advantages of being high in interception efficiency, stable in structure, convenient to maintain, high in adaptability and the like.

This invention belongs to the field of foundation pit support technology, specifically relating to an adjustable foundation pit engineering support structure. It includes support units, each comprising a support base plate and a support frame plate. The support base plate rests against the foundation pit wall, and the support frame plate is connected to the support base plate via an adjustable support. A cross bracing device supports the support frame plates of two support units in opposite directions, and the two support units are mutually supported by the cross bracing device, with the adjustable support buffering the deformation pressure of the foundation pit wall. Support units in the same direction are spliced ​​together. This invention provides an adjustable foundation pit engineering support structure, employing an adjustable support structure that forms a recoverable elastic support system between the support base plate and the support frame plate. After pressure is unloaded, it can return to its original shape, improving the durability and reusability of the support structure.

This utility model discloses an adjustable tilt angle photovoltaic support auxiliary support structure, including multiple sets of photovoltaic panels, multiple sets of concrete blocks, and a support frame cast and installed on top of the concrete blocks. A positioning frame is fixedly installed on the top of the support frame, and a flipping frame is mounted on the positioning frame. A set of support trusses is fixedly installed on the top of the multiple flipping frames. Two sets of auxiliary supports are fixedly installed on the flipping frames, and cross support frames are connected and installed through the auxiliary supports. The top of the cross support frames is connected to two other sets of support trusses. The photovoltaic panels are fixedly installed on the three sets of support trusses by multiple sets of clamping blocks, and multiple sets of connecting plates are welded to the bottom of the support trusses. This utility model can strengthen the interaction forces between the support trusses by the cross support frames when encountering wind resistance and snow pressure, increasing the stability of the photovoltaic panels while ensuring that the angle adjusted by the flipping axis remains unchanged, thus not affecting the sunlight-receiving area of ​​the photovoltaic panels.

The utility model discloses a double-row round pot support flower cultivation groove system which comprises a plurality of single-group cultivation grooves, each single-group cultivation groove comprises a plurality of vertical supporting round pipes arranged on a bottom plate, adjustable lead screws are longitudinally arranged in the vertical supporting round pipes in a penetrating mode, transverse supports are transversely installed on every two adjacent lead screws, and the transverse supports are connected with the vertical supporting round pipes in a penetrating mode. Round-basin-type supporting grooves are formed in the two ends of every two adjacent transverse supports in a lap joint mode, a plurality of round flowerpots are arranged in the round-basin-type supporting grooves, and drainage grooves are correspondingly formed in the positions below the round-basin-type supporting grooves and the round flowerpots. According to the technical scheme, the operation mode of bending down and bending back manually is avoided, the labor intensity is reduced, meanwhile, the land utilization rate is increased, the cultivation area of the facility is increased, and the planting density is improved; flowers are planted in the flowerpots on the cultivation grooves of the support, the planting height is increased, production operation is more convenient than that on the ground, and the labor intensity of operators is reduced. Therefore, the beneficial effects of improving the space utilization efficiency of the greenhouse and improving the production of the greenhouse are achieved.

The application discloses a temporary cross bracing device for an inner-inclined arch bridge and a construction method, and belongs to the technical field of bridge construction. The device comprises chord bars arranged side by side, a plurality of web bars arranged between the two chord bars, a movable end assembly arranged at one end of the two chord bars, the movable end assembly comprising a movable end mounting plate, square steel pipes arranged side by side in the middle of the movable end mounting plate, one end of the square steel pipes being fixed to the movable end mounting plate, two rectangular slides arranged in the end part of the chord bar, the other end of the square steel pipes being slidably connected to the rectangular slides, the square steel pipes and the chord bar not being relatively rotated, fixed plates symmetrically arranged on the end part of the chord bar, one end of the fixed plates being fixed to the end part of the chord bar, the other end of the fixed plates extending to the outside of the chord bar, and jacks arranged between the fixed plates and the movable end mounting plate. The technical scheme is used to simplify the supporting steps of the arch rib and improve the construction efficiency.

The utility model discloses a modularization assembly type cross staircase, relates to building structure field, including platform beam, ladder column and cross support staircase structure, four groups of ladder column and platform beam are spliced together, the platform beam is respectively connected between two ladder column along the horizontal direction, the cross support staircase structure is connected with the ladder column along the horizontal direction, and the cross support staircase structure is connected with the cross support staircase structure through the cross support staircase structure. The cross supporting stair structure is connected between the two opposite platform beams, and one side of the cross supporting stair structure is close to an existing building structure, so that a continuous up-and-down walking channel is formed; the cross support stair structure comprises inclined stair beams, step plates and U-shaped connecting pieces, and the step plates are limited between the two opposite inclined stair beams. The stair columns are additionally arranged, so that the overall structure of the stair is separated from an existing building structure, and follow-up movement and disassembly are facilitated.

The utility model relates to the technical field of aluminum alloy doors and windows, and discloses an aluminum alloy door and window with high wind pressure resistance, which comprises an aluminum alloy window frame, the inner wall of the aluminum alloy window frame is fixedly connected with glass, the outer surface of the aluminum alloy window frame is provided with a groove, and the inner wall of the groove is inserted with a damping strip. And one side surface of the damping strip is fixedly connected with a damping frame. Compared with the prior art, the shock-absorbing frame has the advantages that after the shock-absorbing strip is clamped into the groove, the adhesive layer is adhered to the surface of the aluminum alloy window frame, so that the shock-absorbing frame is fixed, the cross supporting frame corresponds to glass, the cross supporting frame has the turning degree, and the traceless adhesive layer is connected with the glass when the cross supporting frame is tightly attached to the glass; the cross supporting frame is fixed to the surface of the glass, supporting points of the glass are increased, shaking of the glass is reduced, the wind resistance is high, the glass stability is higher, fragmentation is avoided, safety is improved, the damping frame and the cross supporting frame can be taken down in windless weather, and the overall attractiveness is not affected.

The utility model relates to the technical field of building construction, and discloses a formwork structure for achieving integrated pouring of a concrete pipeline and a pipe base, which is used for laying the pipeline in a drainage channel and comprises a plurality of pipe pillows of a cuboid structure. The multiple pipe pillows are arranged in the direction perpendicular to the length direction of the drainage groove and are arranged at intervals in the length direction of the drainage groove, and through grooves used for bearing pipelines are formed in the tops of the pipe pillows; the multiple sets of formworks are arranged, each set of formworks comprises two formworks symmetrically arranged on the two sides of the pipeline in the length direction, and the ends of the formworks are tightly attached to the end faces of the pipe pillows at the corresponding positions; the number of the supporting pieces is multiple, and the supporting pieces are used for supporting all the formworks. The prefabricated concrete pipe sleeper is directly used as a formwork cross brace to replace a traditional cushion layer, the cushion layer pouring step is omitted, the construction period is shortened, and the material and labor cost is reduced.

A tub insert (10) for a top loading washing machine (12) having a cabinet (14) with a top opening (16), a lid (22), and a wash tub (18) disposed within the cabinet (14) may include a tub insert body (24) shaped to engage the cabinet (14) and the wash tub (18) when the tub insert body (24) is inserted through the top opening (16) to substantially prevent movement of the wash tub (18) relative to the cabinet (14). Cross-brace support panels (40) having cross-brace openings (50) extend from a top edge (46) of the tub insert body (24) upward through a gap (42) between the lid (22) and the cabinet (14) on opposite sides of the lid (22). The cross-brace openings (50) receive a cross-brace (120) that extends across the cabinet (14) to provide lateral support for a container (124) in which the washing machine (12) is shipped.

The utility model discloses a tunnel fan supporting structure suitable for high-altitude strong monsoon climate, and belongs to the technical field of tunnel ventilation. Comprising four stand columns, four lower transverse supports, two or more upper transverse supports and two top beams, and the top beams extend in the length direction of the base frame and are fixed to the top ends of the stand columns; a plurality of mounting beams corresponding to the positions of fan supporting legs are fixedly welded above the top beam in the width direction of the foundation framework; and the mounting beam is fixedly connected with an upper flanged plate. The device is mainly manufactured by welding the I-shaped steel and the channel steel, is convenient to manufacture, has a stable structure, and can well adapt to severe weather in high-altitude and strong monsoon climate regions; the fan is well supported, it is guaranteed that the fan can normally operate under the extreme weather condition, and the air quality in a tunnel is guaranteed.

This utility model discloses a steel support frame connecting fastener, comprising: a pin for hinged cross bracing; a locking buckle for locking onto a steel column, the locking buckle having a strip-shaped adjustment hole extending horizontally; an ear seat connected to the locking buckle, one end of the ear seat having a hinge hole and the other end having a bolt hole; a bolt for fastening the connection; and a washer plate disposed between the ear seat and the locking buckle. This utility model provides a steel support frame connecting fastener that is manufactured in a factory and installed on-site. When erecting a steel support frame, the cross bracing is installed on-site, usually by welding: on-site welding easily causes air pollution and consumes manpower and resources, resulting in certain economic losses. This new steel support frame connecting fastener solves these problems by using a welding-free method.

The invention discloses an inward-inclined arch bridge temporary transverse supporting device and a construction method, and belongs to the technical field of bridge construction. Comprising chord members arranged side by side, a plurality of web members are arranged between the two chord members, one end of each chord member is provided with a movable end assembly, each movable end assembly comprises a movable end mounting plate, square steel pipes are arranged in the middle of each movable end mounting plate side by side, one ends of the square steel pipes are fixed to the movable end mounting plates, and the other ends of the square steel pipes are fixed to the movable end mounting plates. Two rectangular slideways are arranged in the end part of the chord member, the other end of the square steel tube is connected in the rectangular slideways in a sliding manner, the square steel tube and the chord member do not rotate relatively, fixed plates are symmetrically arranged on the end part of the chord member, one end of each fixed plate is fixed on the end part of the chord member, and the other end of each fixed plate is fixed on the rectangular slideways. The other end of the fixing plate extends towards the outside of the chord member, and a jack is arranged between the fixing plate and the adjustable end mounting plate. According to the technical scheme, the arch rib supporting steps are simplified, and the construction efficiency is improved.

The utility model discloses a device and lifting appliance for steel net frame vertical promotion belongs to steel net frame construction equipment technical field. The device for steel net frame vertical promotion, including lifting appliance and lifting point connecting piece, lifting appliance includes lifting appliance body and the two parallel arrangement's lug plate of fixed connection in the lower part of lifting appliance body, and lifting appliance body includes two opposite setting side plate, the cross bracing of welding between two side plates, two vertical bracing of interval welding on the upper portion of cross bracing, two ends of two vertical bracing are welded with two sides side plate respectively, and the steel strand hole is arranged in the middle portion of cross bracing, and two vertical bracing are located two sides of steel strand hole respectively, and cross bracing bottom has anchor tool rest space, and lug plate has pin hole, and lifting point connecting piece includes the lug plate of support and fixed connection on the support, and lifting appliance passes through the lug plate and the lug plate of lifting point connecting piece of its lug plate and is connected through pin shaft. The utility model effectively solved the traditional lifting appliance and cannot realize the difficult problem of steel net frame promotion.

The utility model relates to workpiece clamping technical field, concretely relates to a workpiece clamping device, including cylinder top end bolt fixed support plate, pneumatic rod penetrates support plate center hole and its outside spiral groove is engaged with hole spiral thread, pneumatic rod top end internal thread groove spins into threaded rod, threaded rod radial outside screwing lock nut, top fixed connection cross bracing and briquetting; support plate surface is equipped with vertical separation long board and orthogonal separation short board, forms long support space and two groups of short support space, cylinder bottom end fixed bottom plate, and bottom plate is equipped with horizontal and longitudinal through -hole, adjusting screw rod selects one and then spins into sliding block top screw hole after penetrating horizontal or longitudinal through -hole, sliding block is embedded in fixed platform sliding groove, in operation spiral engagement drive pneumatic rod lifting rotation makes briquetting deflection, and rotating threaded rod independently adjusts briquetting height, and lock nut instant lock, and the selection horizontal through -hole drive sliding block horizontal translation switches horizontal support space, and longitudinal through -hole switches longitudinal orientation, makes support space dynamic reorganization.

The utility model discloses a photovoltaic complementary power generation system for a wind power tower, and the wind power tower comprises a tower main column, a tower inclined rod, a tower cross rod frame, a tower transition section, a tower cylinder, a cabin, a hub, and blades. The photovoltaic power generation system comprises a connecting plate, an inner transverse support, a grating plate, an outer inclined support, an outer transverse support, photovoltaic power generation equipment and a guardrail, the connecting plate is welded to a tower main column and connected with the inner transverse support and the outer transverse support through bolts, the grating plate is laid on the upper surface of the inner transverse support and the upper surface of the outer transverse support, the photovoltaic power generation equipment is installed on the grating plate, and the guardrail is connected with the outer inclined support and the outer transverse support. The system is simple in structure and high in installation efficiency, saves national land resources, reduces project cost, comprehensively utilizes a wind-solar power generation complementary system, can fully utilize photovoltaic power generation in summer with small wind power, increases the generating capacity, conveys more electric quantity, and reduces the pressure of a power grid.

The application provides a kind of adjustable position limiting temporary cross bracing bracket for inclined tower construction and inclined tower construction method, wherein jack clamp mechanism is installed on jack pad plate, for realizing the clamping of jack of temporary cross bracing;Hydraulic position adjusting mechanism is installed on the bottom plate, for realizing the adjustment of temporary cross bracing;A pair of limiting baffle is respectively installed with opposite limiting mechanism, for realizing the limiting of temporary cross bracing;Linkage mechanism is arranged between hydraulic position adjusting mechanism and limiting mechanism, for realizing the linkage between hydraulic position adjusting mechanism and limiting mechanism.The limiting mechanism and hydraulic position adjusting mechanism of the application can work cooperatively, and accurately level the temporary cross bracing vertically and longitudinally, to avoid the unreasonable stress of temporary cross bracing caused by unreasonable position, and further cause the problem of bridge tower construction quality.

The utility model provides a sower traction structure and sower, including cross brace subassembly and two traction units that are arranged oppositely along the transverse direction, each traction unit includes mounting portion, connecting portion and support portion, the mounting portion is connected to the middle of the frame of sower, the connecting portion includes upper connecting frame and lower connecting frame subassembly, and the support portion is connected to the lower connecting frame subassembly. The middle part of the upper connecting frame is sunken to form a penetrating space through which a fertilizer discharging rotating shaft of the seeder penetrates. The whole traction structure is integrally mounted on the rack through the mounting part, the supporting part supports the upper connecting frame to a sufficient height, and the upper connecting frame and the two lower connecting frame assemblies form a triangular traction surface, so that the traction gravity center position of the whole seeding machine is proper, and the seeding machine is more stable during pulling; the upper connecting frame is arranged to be in a middle concave form, so that the fertilizer discharging rotating shaft can penetrate through conveniently, the position of the upper connecting frame does not need to be heightened, the gravity center and the height position of the upper fertilizer box are synchronously lowered, overturning during traction is avoided, and the structural stability is guaranteed.

The utility model discloses a multifunctional vehicle-mounted movable supporting operation platform for tunnel construction, and relates to the technical field of tunnel construction, in particular to the multifunctional vehicle-mounted movable supporting operation platform for tunnel construction, which comprises a plurality of I-shaped steel upright posts, I-shaped steel connecting posts are welded at the top ends of the I-shaped steel upright posts, and the I-shaped steel connecting posts are welded at the bottom ends of the I-shaped steel upright posts. I-shaped steel transverse supporting columns are welded between the I-shaped steel connecting columns and between the I-shaped steel stand columns. The equipment is installed in a carriage of a vehicle to form a modified support operation platform, a worker can work on the equipment, the ladder stand is welded to the tail for the worker to go up and down, the rotatable foldable movable plates are arranged on the two sides, steel ropes are used for supporting, and the worker can conveniently work on the inclined upper portion of a tunnel from the upper portion; and the foldable movable plate can be put down and pulled up during entering and exiting during construction, the foldable movable plate can be opened and closed by inserting a plug pin into a buckling groove to be rotationally clamped and fixed, a large space is reserved between the equipment and a carriage, and materials can be stored and transported.

The utility model belongs to the technical field of hanging bracket lifting, and particularly relates to decorative hanging bracket lifting equipment which comprises a main body, a frame is arranged at the bottom of the main body, and a pull rod is fixedly installed on one side of the frame. A hanging bracket mechanism is arranged at the bottom of the frame, and a lifting mechanism is fixedly installed at the top of the frame through a bearing rod. Wherein the lifting mechanism comprises a mounting plate and an electric telescopic rod, a cross supporting frame is fixedly mounted at the top of the mounting plate, and the electric telescopic rod penetrates through the mounting plate and is fixedly mounted on the mounting seat. According to the utility model, the hoisted equipment can be completely collected into the frame through the flexible matched descending of the lifting mechanism and the hanging bracket mechanism, so that the hidden of the hoisted equipment is realized, and the aesthetic property of the whole structure is further improved.

The utility model relates to the technical field of agricultural machinery equipment, in particular to a lying type stepped screen box of a peanut picking harvester, which comprises a positioning frame, a front baffle plate, a material receiving plate, a screening component and a side baffle plate, the screening assembly is used for supporting and fixing the base plate and comprises the base plate connected with the positioning frame, a plurality of screening plates distributed in a stepped mode in the length direction of the base plate are formed on the base plate in a bending mode, and compared with an existing lying flat plate screen, the screening plates distributed in the mode can enable materials to be better conveyed to the rear end. And in the conveying process, the screening effect on dust and other small-particle-size impurities in the materials is enhanced through the gap between every two adjacent screening plates, meanwhile, due to the stepped distribution of the screening plates, the materials can be conveniently conveyed in the screening process, and the screening efficiency is improved.

The utility model discloses a steel-encased structure of a green and environment-friendly mixing plant in the technical field of steel structures, which comprises a mixing tank, a fixing ring is mounted below the outer wall of the mixing tank, and the steel-encased structure of the green and environment-friendly mixing plant is reasonable in structure. The cross supporting arm is butted in the U-shaped sleeve seat A between the two groups of square columns in an unfolded state and is fixed by the fastening bolt, so that a certain supporting and stabilizing effect can be achieved on the stirring tank of the environment-friendly stirring station according to the triangular stability effect of the cross supporting arm; meanwhile, the supporting columns at the cross beams are in butt joint with the interiors of U-shaped sleeve seats B on the outer wall of the stirring tank in a sliding mode and then are locked and fixed through fastening bolts, the whole supporting columns are in an inclined state, and the stirring tank of the environment-friendly stirring station is effectively supported and stabilized in cooperation with the crossed supporting arms in an open state.

The utility model discloses a kind of light steel keel partition wall quick-mounting structure, including vertical keel, the section of vertical keel is concave, vertical keel includes central web and left wing and right wing being symmetrically arranged on the two sides of central web, the left wing and right wing structure are exactly the same, and all include sequentially connected first web, side plate, second web and flange;Cross bracing keel through hole is provided on vertical keel, the cross bracing keel through hole is symmetrically arranged on left wing and right wing, and cross bracing keel through hole penetrates first web and second web;Vertical keel adopts multilayer flange design, and shear support effect is stronger, cross bracing keel does not pass through central web, and influence to filling layer and pipeline construction is smaller.

The utility model discloses a star-shaped stress structure in a mechanical casting part, which comprises a base main body, a supporting plate is arranged at the upper end of the base main body, a first emptying port, a second emptying port and a third emptying port are respectively arranged at the bottom end of the base main body, and a first crossed supporting plate is arranged in the first emptying port of the base main body. The base body is provided with a first hollowed-out opening and a third hollowed-out opening, the base body is provided with a first cross supporting plate inside the first hollowed-out opening and a second hollowed-out opening inside the second hollowed-out opening and is provided with a second cross supporting plate inside the second hollowed-out opening, the base body is provided with a third cross supporting plate inside the third hollowed-out opening, and the first cross supporting plate, the second cross supporting plate and the third cross supporting plate are all provided with hollowed-out openings. The first emptying opening, the second emptying opening, the third emptying opening, the first cross supporting plate, the second cross supporting plate and the third cross supporting plate are preset on the base main body, so that the supporting structure strength of the base main body can be enhanced, the material cost for manufacturing the base can be effectively saved, and the dead weight of the base can be reduced.