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152results about How to "Improve support strength" patented technology

Method of making integrated stator, brushless direct-current motor of radial core type double rotor structure using the integrated stator, and method of making the same

Provided are a radial core type brushless direct-current (BLDC) motor and a method of making the same, having an excellent assembly capability of division type stator cores in a double rotor structure BLDC motor. The BLDC motor includes a rotational shaft, an integrated double rotor including an inner rotor and an outer rotor, and a rotor supporter wherein a trench type space is formed between the inner rotor and the outer rotor, and an end extended from the inner rotor is connected with the outer circumferential surface of a bushing combined with the rotational shaft, and an integrated stator wherein one end of the stator is disposed in the trench type space and an extension axially extended from the other end of the integrated stator is fixed to the housing of the apparatus. In the integrated stator, U, V, W phase coil assemblies are formed of a number of core groups including a number of division type cores, wherein for each phase coil assembly, the division type core groups of the U, V, W phase coil assemblies are alternately disposed in an annular form in sequence of the phases, and the respective division type core groups are integrally formed into a single body in annular form by a stator support.
Owner:AMOTECH

Roadway support truss and mounting method thereof

InactiveCN102926768AAnchoring performance is stableImprove support strengthUnderground chambersTunnel liningRailway tunnelShotcrete
The invention relates to a roadway support truss and a mounting method of the roadway support truss. The roadway support truss comprises a top beam frame, two shoulder-arched frames, two column leg frames, a plurality of anchor rods, a plurality of pins and a concrete bonding layer, wherein the top beam frame comprises two top beam main ribs and two top beam auxiliary ribs; the top beam main ribs and the top beam auxiliary ribs are connected integrally by a plurality of reinforcing ribs; two ends of the top beam frame are welded with connectors with hinge holes respectively; one of the shoulder-arched frames comprises two arched main ribs and two arched auxiliary ribs; the arched main ribs and the arched auxiliary ribs are connected integrally by a plurality of reinforcing ribs; two ends of each shoulder-arched frame are welded with connectors with hinge holes respectively; one of the column leg frames comprises two column leg main ribs and two column leg auxiliary ribs respectively; the column leg main ribs and the column leg auxiliary ribs are connected integrally by a plurality of reinforcing ribs; the top ends of the column leg frames are welded with connectors with hinge holes respectively; the plurality of anchor rods with trays are used to integrally connect a truss by nuts; and concrete mortar is sprayed on a structural member of the roadway truss to form the concrete bonding layer. The roadway support truss can be widely applied to construction support of underground coal mine roadways or underground railway tunnels, and the like.
Owner:NORTH CHINA INST OF SCI & TECH +1

Tower drum of wind generating set and construction method of tower drum

The invention provides a tower drum of a wind generating set and a construction method of the tower drum. The tower drum comprises tower drum arc-shaped fragments, long-strip-shaped connecting portions and arc-shaped connecting portions. The long-strip-shaped connecting portions are fixed along the two sides of the tower drum arc-shaped fragments, and the arc-shaped connecting portions are fixed along the bottom edges and top edges of the tower drum arc-shaped fragments. The long-strip-shaped connecting portions and the arc-shaped connecting portions are each provided with a plurality of connecting holes. The cross section of each long-strip-shaped connecting portion is in an L shape, first folded edges are arranged on the outer side edges of the long-strip-shaped connecting portions, and second folded edges of preset height are arranged on the outer arc edges of the arc-shaped connecting portions. The tower drum arc-shaped fragments are spliced and fixed in the circumferential direction to form the tower drum or at least two tower drum segments. By means of the tower drum of the wind generating set and the construction method of the tower drum, the problem that land transportation of a large-diameter tower drum is limited is solved, a manufacturing method is mature, and the manufacturing cost is low.
Owner:BEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP

Concave-convex support-engaged water-stopping pile

The invention discloses a concave-convex support-engaged water-stopping pile. The concave-convex support-engaged water-stopping pile comprises a pile body and a pile tip. The pile tip is provided with anchor bars and construction bars. The pile body comprises an upper pile section, a middle pile section and a lower pile section. The top of the upper pile section is provided with a pile cap and construction bars. The lower end of the upper pile section is provided with anchor bars. The upper end of the middle pile section is provided with threaded anchor holes. The lower end of the middle pile section is provided with anchor bars. The upper end of the lower pile section is provided with threaded anchor holes. The lower end of the lower pile section is provided with the pile tip. The two sides of the concave-convex support-engaged water-stopping pile are respectively of a concave-convex shape. The concave-convex support-engaged water-stopping pile has the advantages that the bars are evenly distributed through a long-line pedestal to tension stress overall, the two sides of the support-engaged water-stopping pile are respectively of the concave-convex shape, and spiral stirrups are distributed on the two sides of the support-engaged water-stopping pile; as a result, production on the long-line pedestal can be carried out, labor and efforts are saved, the environment is protected, the productivity is high, product quality is good, the pile can form a tall and straight appearance beneficially, and the beauty and shock resistance are both good; the pile is especially suitable for stopping water in ports, wharfs and deep foundation pits, high in bearing capacity and resistant to collision.
Owner:DALIAN GREAT GOLDEN HORSE INFRASTRUCTURE

Prevention and control method for deep pressure relief and shallow reinforcing of advanced coal body of rock burst mine

ActiveCN111502662AImprove integrity and stabilityImprove support strengthUnderground chambersUnderground miningRock burstCoal pillar
The invention discloses a prevention and control method for deep pressure relief and shallow reinforcing of an advanced coal body of a rock burst mine. The prevention and control method comprises thefollowing steps of constructing a pressure relief chamber at an interval of L2 within a range L1 + L2 away from a cutting hole before stoping of a working surface, advancing L2 for the working surfaceafter stoping, continuously constructing a next pressure relief chamber at the interval of L2, through mutual cooperation of the front pressure relief chamber and the rear pressure relief chamber ina structural unit, enabling a pressure relief project to be transferred to a deep part, so that roadway shallow surrounding rock damage caused by the pressure relief project is reduced; and through mutual cooperation of supporting bodies and inner and outer grouting holes in a reinforcing project, enabling an integral grouting reinforcement area to be formed between a front pressure relief hole and a rear pressure relief hole. According to the prevention and control method, the contradiction between rock burst prevention and control of a small coal pillar gob-side roadway and roadway supporting can be effectively solved, high stress borne by a shallow coal body of the working face gob-side roadway is transferred to the deep part, and shallow grouting reinforcement, pressure relief and reinforcement engineering are moved into the pressure relief chambers, so that the influence on the normal work of the working face is further reduced.
Owner:中煤能源研究院有限责任公司

Concrete pouring device used for building construction and construction method of concrete pouring device for building construction

The invention discloses a concrete pouring device used for building construction and a construction method of the concrete pouring device for building construction. The concrete pouring device comprises side plates, sealing plates, baffles, a horizontal moving mechanism and a casting compaction mechanism. The sealing plates are fixedly connected to the end portions of the two side plates, and vertical buckling grooves are formed in the inner side faces of the side plates at equal intervals. Each baffle is arranged between the corresponding two adjacent vertical buckling grooves. A strengthening mechanism is arranged on the outer side face of each side plate. The horizontal moving mechanism is located between a first cross beam and a second cross beam. The first cross beam and the second cross beam are connected with the sealing plates and the baffles through first supporting pillars and second supporting pillars. The casting compaction mechanism is connected to the horizontal moving mechanism. The construction method includes the steps of survey setting out, side plate and strengthening mechanism installation, sealing plate and baffle installation, horizontal moving mechanism installation, casting compaction mechanism installation and concrete casting. By means of the construction method, steps are simple, practicability is high, the casting efficiency of concrete is improved,the casting quality is improved, and in addition, the labor intensity of manual operation is greatly reduced.
Owner:ZHEJIANG JIETEYOU POWER MACHINERY

Soil building reinforced wall and reinforcing method thereof

The invention discloses a soil building reinforced wall and a reinforcing method thereof. The soil building reinforced wall comprises a soil wall body, a supporting structure, a tying structure and anet structure, wherein the supporting structure comprises a concrete wall body and a plurality of cobblestones, the cobblestones are embedded in the two wall surfaces of the concrete wall body, the tying structure comprises a plurality of tying strips penetrating through the interior of the soil wall body from top to bottom, and the net structure comprises two nets which are fixed to the two sidesof the soil wall body respectively. The soil building reinforced wall is additionally provided with the supporting structure at the bottom of the soil wall body which is of a stone structure, and thesupporting structure not only improves the supporting strength of the bottom of the soil wall body but also is waterproof and dampproof. The tying structure consisting of the tying strips penetratingthrough the interior of the soil wall body from top to bottom is additionally arranged in the soil wall body and enhances the integral strength of the soil wall body, so that the soil wall body is safer and more stable. The net structure is additionally arranged on the two side wall surfaces of the soil wall body and can prevent stone blocks from getting loose.
Owner:福建省泰承古建园林工程有限公司

Method for allowing shield to pass through river-near air shaft

ActiveCN109989760AAvoid infiltrationImprove support strengthUnderground chambersTunnel liningEngineeringTunnel wall
The invention discloses a method for allowing a shield to pass through a river-near air shaft. The method comprises the following steps: 1) early-stage preparation; 2) installing a supporting frame; 3) pouring a foam concrete layer; and 4) shield passing through. Through the design of the supporting frame, the overall structural strength of the subsequently poured foam concrete layer is ensured, the foam concrete layer is not easy to deform or permeate outwards, the foam concrete is convenient to pour and mold, the supporting frame does not need to be disassembled subsequently, the supportingframe is maintained, a shield crossing area is formed by a supporting layer and the foam concrete layer, the subsequent shield can conveniently pass through the air shaft, the idle pushing phenomenonis avoided when the shield passes through the air shaft, the construction risk that the shield passes through the river-near air shaft is effectively reduced, when the shield is pushed and spliced into segments, the segments are conveniently and practically mounted, the segments are directly mounted on the tunnel wall formed by the foam concrete, and the lateral surfaces of the segments are limited by the foam concrete, so that the segments are not easy to deform transversely.
Owner:CHINA TIESIJU CIVIL ENG GROUP

Double-support flange machining machine

PendingCN109986137AImprove support strengthReduce repair difficulty and repair costEdge surfaceDouble support
The invention discloses a double-support flange machining machine. The machine is used for machining a flange on equipment on site, and the main shaft of the double-support flange machining machine issequentially provided with an inner supporting plate, a knife rest and a shaft sleeve, plurality of screw holes are formed in the outer edge surface of the inner supporting plate, screw rods are arranged in the screw holes, supporting legs are arranged at the outer ends of the screw rods, a rotating arm is arranged on the knife rest, a feeding screw and a feeding motor are arranged on the rotating arm, a feeding screw is arranged on the feeding screw, a sliding knife holder is arranged on the feeding nut, an organic frame is arranged on the shaft sleeve, an outer supporting plate is fixedly arranged on the machine frame, the rotating motor, a plurality of pull rods are uniformly distributed on the periphery of the outer support plate, a pull rod nut is arranged at the outer end of each pull rod, the rotary motor drives the shaft sleeve to rotate, the longitudinal pushing motor is provided with a longitudinal pushing screw, a longitudinal pushing nut on the longitudinal pushing screw is provided with a connecting plate, the connecting plate is fixedly connected with the main shaft, the inner supporting plate is arranged in the flange hole, the pull rod is connected with the flangebolt hole, and therefore the rack is fixed on the flange plate, high-precision machining and repairing can be carried out on the butt joint surface of the flange on site, the repairing difficulty andthe repairing cost are reduced, the repairing efficiency is improved, and the working time is saved.
Owner:吉林市维特新工贸有限公司

Bridge pile foundation construction anti-vibration device

The invention belongs to the field of bridge pile foundations, and particularly relates to a bridge pile foundation construction anti-vibration device. The device is characterized in that supporting columns are slidably mounted at the tops of sleeve bases on the top of a mounting plate correspondingly, a drilling machine is fixedly mounted at the bottom of a transverse plate at the tops of the twosupporting columns, the bottom of an output shaft of the drilling machine penetrates through the top of the transverse plate and extends to the lower portion of the transverse plate, the bottom of adrill bit penetrates through the top of a steel casing on one side of the mounting plate and extends into the steel casing, a rolling groove is formed in the top of a fixing plate at the top of the steel casing, an arc-shaped plate is detachably mounted at the top of a rolling ball on the inner wall of the bottom of the rolling groove in a rolling mode, and sliding blocks slidably connected with two transverse columns are slidably mounted at the tops of two supporting plates at the top of the mounting plate correspondingly. According to the device, vibration and movement of the drilling machine are buffered and damped through first springs, second springs and buffer springs, vibration in the pile foundation construction process can be prevented, a position of the drill bit is limited through the steel casing, position deviation of the drill bit in the drilling process is prevented, and the precision in the pile foundation drilling process can be effectively improved.
Owner:武汉中交工程咨询顾问有限责任公司

Surrounding rock stability control method for deep ultra-large section dense chamber group

PendingCN112343627APerfect construction technologyImprove support strengthUnderground chambersTunnel liningMetal meshCoal
The invention relates to a surrounding rock stability control method for a deep ultra-large section dense chamber group. The technical problem that existing deep ultra-large section chamber surrounding rock is unstable is solved. The method comprises the following steps that geological conditions of coal and rock masses are analyzed, and physical and mechanical parameters of the coal and rock masses are measured; support parameters are determined according to the chamber surrounding rock deformation rule and the chamber surrounding rock stability mechanism under the high stress condition; theposition and the size of an ultra-large section chamber are determined according to the analysis result and the surrounding rock physical and mechanical parameters; tunneling is performed in a drilling and blasting mode; according to the support parameters, a combined supporting mode of a metal net, anchor rods, anchor cables and sprayed concrete is adopted for supporting the arch-shaped ultra-large section of the chamber; and the coal seam is mined, and gangue generated in the post-mining area is used for backfilling into the goaf of the pre-mining area. According to the method, the construction process of the deep ultra-large section chamber is perfected, the supporting strength is improved, the deformation of the surrounding rock of the chamber is controlled to be stabilized within an allowable range for a long time, later maintenance of the chamber is reduced, secondary supporting is avoided, and meanwhile green mining is achieved.
Owner:中国平煤神马控股集团有限公司

Collision and pressing preventing type fig packing box

The invention discloses an anti-collision packaging box for figs, comprising a main body of the packaging box, the main body of the packaging box is a cubic structure, the main body of the packaging box includes a protective outer shell and a protective inner shell, and a protective outer shell is arranged outside the protective inner shell And there is a buffer gap between the protective outer shell and the protective inner shell, each of the buffer gaps is provided with a support frame, and the support frame forms a rectangular support frame, and the diagonal lines of the rectangular surfaces formed by the four adjacent support frames They are all fixedly connected with support rods, buffer foam is arranged in the triangular area formed by the support rod and the support frame, and buffer springs are arranged equidistantly along the width direction in the buffer foam, and the inside of the protective inner shell is sequentially stacked. Put the set with a protective frame. The invention is novel in design, convenient in use, greatly improves the supporting strength and cushioning performance of the packaging box, more effectively protects the figs inside and prevents them from being damaged, and is suitable for popularization and use.
Owner:滨海康之源生态农业科技有限公司

Construction method of porous pavement

InactiveCN108086087AImprove support strengthStable supportPaving gutters/kerbsChipsealFlood season
The invention discloses a construction method of a porous pavement. The problems that in the flood season, a basic pavement layer of a porous pavement in the prior art is likely to be soaked softly byaccumulated water, strength is reduced, and an upper porous brick layer settles are solved. The method is technically characterized in that the method includes the steps that a roadside ditch is excavated, wherein an excavator is used for excavating the roadside ditch for containing a pavement layer; a leveling basic layer is built, the bottom face of the roadside ditch is trimmed, so that the bottom face is level, the bottom face of the roadside ditch is compacted through a road roller and paved with graded broken stone, and the upper surface of the graded broken stone is level; a basic pavement layer is built on the leveling basic layer, supporting bodies are arranged at intervals, and filling spaces used for filling porous base bodies are formed between the supporting bodies; the filling spaces are filled with the porous base bodies, and a supporting face used for supporting a porous face layer is formed by the porous base bodies and the upper ends of the supporting bodies; the porous face layer is built on the basic pavement layer; and a road is maintained. The method has the beneficial effects that the strength of the pavement is improved, and a pavement settlement phenomenonis reduced.
Owner:广东华茂水电生态集团有限公司
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