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13results about How to "Reliable force" patented technology

Steel sheet pile supporting device and construction method thereof

The invention relates to the technical field of civil engineering, in particular to a steel sheet pile supporting device. The steel sheet pile supporting device comprises a pile plate body, an enclosing purlin assembly and a steel pipe support, and the pile plate body is fixedly connected with the enclosing purlin assembly through a hanging piece; the enclosing purlin assembly comprises a front plate, a rear plate and I-shaped steel, the front plate and the rear plate are connected through at least two sets of first bolts, and the length of the first bolts is larger than the distance between the front plate and the rear plate. The I-shaped steel is inserted between the front plate and the rear plate, and the number of the I-shaped steel is 2-3; the steel pipe support is a steel pipe, the steel pipe support is connected with the front plate, at least two sets of first stiffening ribs are arranged at the end of the side, close to the front plate, of the steel pipe support, and the steel pipe support is in threaded connection with the supporting piece through the first bolt holes. According to the supporting device, the assembling procedure is greatly simplified, the connection between the steel pipe support and the enclosing purlin assembly is firmer and more reliable, the load effect under the full working conditions of supporting tension, pressing and the like can be effectively resisted, and the overall stability and the bearing capacity of the supporting device are further improved.
Owner:TIANJIN MUNICIPAL ENGINEERING DESIGN & RESEARCH INSTITUTE CO LTD

An adjustable width integrated support hanger device and system

ActiveCN224315624UArranged neatlyFlexible width adjustmentPipe supportsPurlinCable tray
This utility model belongs to the field of building installation engineering technology, specifically relating to an adjustable width integrated support and hanger device and system. The adjustable width integrated support and hanger device is used to suspend pipes or cable trays from I-beam purlins of a building. It includes: a hanger body, comprising: at least one load-bearing crossbeam for supporting the pipe or cable tray; at least two vertical arms connected to the load-bearing crossbeam, the top ends of the vertical arms being connected to the I-beam purlins; and at least two clamping and fixing members for detachably clamping and fixing the top ends of the vertical arms to the lower flange of the I-beam purlins. This utility model provides an adjustable width integrated support and hanger device and system that is structurally standardized, easy to install, and safe and reliable.
Owner:THE THIRD CONSTR OF CHINA CONSTR EIGHTH ENG BUREAU

A horizontal-axis tunneling device and its spray distribution mechanism

ActiveCN120867745BEnsure axis positionGuaranteed coaxiality
This invention relates to the field of tunneling equipment technology, specifically to a horizontal axis tunneling machine and its spray distribution mechanism. The spray distribution mechanism of the horizontal axis tunneling machine includes a fixed component and a rotating component. The rotating component includes a fixed seat and an end cap forming a hydraulic chamber. The fixed component includes a connecting shaft extending into the hydraulic chamber through the fixed seat and a distribution plate mounted on the connecting shaft and located within the hydraulic chamber. The fixed seat has a mating surface for contacting the distribution plate. The connecting shaft has a water channel, and the water outlet end of the connecting shaft is located on the side of the distribution plate facing the end cap. The end cap has a rotating mounting hole and an end cap water channel. The water outlet end of the connecting shaft is rotatably mounted in the rotating mounting hole. The end cap water channel connects the water outlet of the connecting shaft and the hydraulic chamber. This design helps ensure the axial position of the connecting shaft, ensures the coaxiality of the rotating and fixed components, and reduces the likelihood of uneven wear between the mating surfaces of the distribution plate and the fixed seat due to installation deviations.
Owner:CHINA RAILWAY ENGINEERING EQUIPMENT GROUP TUNNEL EQUIPMENT MANUFACTURING CO LTD

Flexible support with conversion supporting structure

The utility model discloses a flexible support with a conversion supporting structure, which comprises a triangular pull rod structure formed by a first pull rod, a second pull rod and a steel beam, and the first pull rod and the second pull rod form a bottom vertex of the triangular pull rod structure at the bottom and are connected with a foundation; the first pressing rod, the second pressing rod and the steel beam form a triangular pressure-bearing structure, and the first pressing rod and the second pressing rod form the bottom vertex of the triangular pressure-bearing structure at the bottom and are connected with a foundation. The two upper vertexes of the triangular pull rod structure and the two upper vertexes of the triangular pressure-bearing structure converge together on the steel beam to form a node area, the steel strand is fixed to the steel beam, and upper loads are transmitted to a foundation through the triangular pull rod structure and the triangular pressure-bearing structure to form a conversion supporting structure. According to the structure, the force transmission path is clear, stress is reliable, the landing number of end foundations can be effectively reduced by adopting the conversion supporting structure, the distance between end landing supports is increased, the application scene of the flexible support is expanded, and the market competitiveness is improved.
Owner:JIANGSU NEUSOFT INTELLIGENT TECH CO LTD

Antenna scanning frame and testing device

The utility model provides an antenna scanning frame and a testing device, and relates to the technical field of wireless testing equipment. The antenna scanning frame comprises a supporting main body, a test antenna assembly, a guide rail assembly and a driving device. The supporting main body comprises a frame body and a plurality of supporting rods; the supporting rods are connected to the frame body and form a plurality of tetrahedral structures, and the tetrahedral structures are arranged in the extending direction of the frame body. The guide rail assembly is connected to the frame body. The test antenna assembly is connected to the guide rail assembly. The guide rail assembly is used for sliding relative to the frame body or the test antenna assembly, so that the test antenna assembly slides relative to the frame body. The driving device is connected to the frame body or the guide rail assembly and is connected with the test antenna assembly to drive the test antenna assembly to slide relative to the frame body. The testing device provided by the utility model adopts the antenna scanning frame. The antenna scanning frame and the testing device provided by the utility model can improve the technical problem that light weight and structural rigidity are difficult to consider at the same time.
Owner:GENERAL TEST SYST

A method for connecting a curtain wall node

The application discloses a connecting method of a curtain wall node, belongs to the technical field of curtain wall construction, and aims at solving the problem of poor connection stability caused by weak points existing in the connection part of fasteners and curved panel in the prior art. The method comprises the following steps: fixedly connecting one node plate with the upper curtain wall node position, and fixedly connecting the other node plate with the lower curtain wall node position; the two ends of the carbon fiber cable body are provided with hinged balls at positions close to the end heads; a connecting sleeve is sleeved on the outer wall of the carbon fiber cable body end, the inner wall of the connecting sleeve is provided with an annular protrusion, the hinged ball is located on the side of the annular protrusion away from the center of the carbon fiber cable body, and the hinged ball and the annular protrusion form a spherical hinge structure; the connecting sleeve is inserted into the anchor head, and the anchor head is fixedly connected with the connecting sleeve; and the end of the anchor head away from the carbon fiber cable body is pivotally connected with the node plate. The application can be used for the connection of the curtain wall.
Owner:CHINA ARCHITECTURE DESIGN & RES GRP CO LTD

A steering structure of a low-center-of-gravity tricycle and a tricycle using the same

ActiveCN224297345UEasy to holdExpand the scope of spaceCyclesVehicle cranksVehicle frameClassical mechanics
The utility model provides a kind of steering structure of low gravity center tricycle and tricycle using it, including frame, it includes two pivot, one pivot is connected with handlebar, another pivot is connected with wheel by fork;Linkage unit, it includes at least one connecting rod, two pivot respectively extend out torsion arm to side, two ends of connecting rod are respectively connected with the torsion arm rotation of two pivot.The utility model connects two pivot with handlebar and wheel respectively and makes handlebar can control wheel rotation by linkage unit, so that under the premise of facilitating driving personnel to hold handlebar, increase the space range where driving personnel is, so that when the position of driving personnel is lowered, avoid steering and other actions in riding process to cause wheel intrusion driving personnel space.
Owner:TIANJIN OGILVY OUTDOOR SPORTS CO LTD

Control method for front guide beam of bridge erecting machine

ActiveCN121719168BNot affected by unevennessunaffected by unevennessDrive wheelArchitectural engineering
A control method of a front guide beam of a bridge girder erection machine, the front guide beam is provided with an upper guide rail and a lower beam from top to bottom; a plurality of support bases are arranged on the lower beam, the support bases walk along the lower beam to correspond to the positions of bridge piers; the control method comprises the following steps: the second supporting leg is lifted, the front guide beam is moved transversely to the position between two bridge piers by driving the beam moving driving wheel; the support bases are moved along the front guide beam to align the support bases with the positions of the bridge piers; the through hole on the base body is aligned with the reserved longitudinal reinforcement; the second supporting leg is lowered to make the bottom of the base body contact with the top of the bridge pier, the locking device is loosened to make the supporting column freely fall, the bottom of the supporting column contacts with the top of the bridge pier; the locking device is started to lock the supporting column. The present application can accurately align the support bases with the bridge piers in transverse and longitudinal directions, accurately pass the reserved longitudinal reinforcement into the through hole reserved on the support base, and reliably support on the top of the bridge pier through a plurality of liftable and lockable supporting columns.
Owner:GUANGZHOU NORTH SECOND RING TRANSPORT TECH CO LTD +1

Self-tapping anchor bolt wood-concrete composite beam anti-shear joint and construction method thereof

PendingCN121952233AImprove fill rateIncreased shear stiffnessBuilding material handlingAdhesiveJoint (building)
The invention discloses a self-tapping anchor bolt wood-concrete composite beam anti-shear joint and a construction method thereof, and relates to the technical field of constructional engineering.The joint comprises a concrete plate, laminated wood, a perforated T-shaped steel plate and a self-tapping anchor bolt, the concrete plate and the laminated wood are each provided with a groove, and a flange and a web of the perforated T-shaped steel plate are embedded into the grooves correspondingly; the flanges are detachably connected with the concrete slab through self-tapping anchor bolts, and the web is bonded with the laminated wood through intrinsic flame-retardant structural adhesive; the web plate is provided with a hourglass-shaped reducing through structure hole and a spiral flow guide groove, and the glue solution is filled in the hole to form a mechanical interlocking structure. During construction, assembly is completed through the steps of groove treatment, steel plate connection, glue solution preparation and glue injection, curing and the like, full-assembly dry-type connection is achieved, the construction efficiency is improved, the problem that the glue injection quality of a traditional joint is difficult to control is solved, excellent shear resistance, pulling resistance and fireproof performance are achieved, reinforcement of a newly-built structure and an existing structure is adapted, and the application prospect is wide.
Owner:NANJING FORESTRY UNIV

A connection joint of a truss support frame and a steel beam and a construction method

The application discloses a kind of truss support frame and steel beam connecting node and construction method, including steel beam, truss support frame and end connecting piece, end connecting piece is fixedly connected with the web of steel beam, the end of upper chord of truss support frame is connected with end connecting piece, end connecting piece includes end plate, pressure plate, side plate, pressure piece and adjusting piece, pressure plate and side plate are vertically arranged, cross-sectional shape is '' L '' or '' T '' shape, pressure piece is arranged on pressure plate, pressure piece and pressure plate are provided with through hole that passes through pressure piece and pressure plate from top to bottom;Adjusting piece includes adjusting bolt and supporting plate, the end of upper chord of truss support frame is placed on supporting plate, and the height of supporting plate can be adjusted in vertical direction by screwing adjusting bolt, so as to drive the vertical height of the end of upper chord of truss support frame to be adjusted.The application has simple structure, and installation operation is simple, and the stress model of structure is in pressure state in the whole process, so as to reduce the possibility of safety accident.
Owner:THE ARCHITECTURAL DESIGN & RES INST OF ZHEJIANG UNIV CO LTD

A lathe center sleeve set for automobile turbocharger rotor shaft production

The utility model belongs to the field of machining equipment, concretely relates to a lathe centre sleeve set for automobile turbocharger rotor shaft production, including mounting disc, the inside slip connection of mounting disc has sleeve kit no.
Owner:FENGCHENG TIANSHENG PRECISION MACHINERY MANUFACTURING CO LTD

Combined core column plate and one-step forming construction method thereof

The application discloses a combined core column plate and a one-time forming construction method thereof. The core column plate comprises, from bottom to top, a tension UHPC lower panel and a compression ordinary concrete or light-weight high-strength concrete upper panel, and the two panels are connected through a plurality of vertical combined core columns, and a shear key or a rough interface is arranged at the joint of the core column and the panel to ensure the cooperative stress. A polyurethane heat preservation inner mold is arranged between adjacent core columns, and the inner mold serves as a one-time permanent formwork and reserves a pipeline channel. The construction method is as follows: the UHPC lower panel and the lower section of the core column are poured in the same mold first, and then the upper ordinary concrete panel and the upper section of the core column are poured within a limited time interval, so that the wet joint is integrally formed. The application reduces the material cost on the premise of maintaining the high performance of the tension UHPC, and has the advantages of light weight, high heat preservation and being suitable for modular prefabrication.
Owner:HUNAN UNIV