36results about How to "Improve anchoring performance" patented technology

The invention discloses a parallel bar type anchor device for a flexible flaky material and a method thereof. The parallel bar type anchor device for the flexible flaky material comprises a parallel piece and at least two rod pieces, wherein two rod pieces are arranged on the parallel piece; two rod pieces are parallel mutually and a gap is reserved between two rod pieces; and the parallel piece or the rod pieces are provided with anchor holes or protrudent parts used for perforation for anchoring. The parallel bar type anchor method for the flexible flaky material comprises the following steps: the parallel bar type anchor device for the flexible flaky material is used to retrace the flexible flaky material after rounding the first rod piece, coincidence points are leaned against the second rod piece to form winding knots; and a coincidence sheet is continuously leaned against the second rod piece and finally is leaned against the first rod piece to form a ring packet with the winding knots. The device has simple structure, light mass, convenient operation, reliable effect and low cost.

The invention relates to a multi-layer telescopic multi-point displacement meter anchor head for water-rich soft stratum. A plurality of in-hole measuring point anchor head units are arranged in the longitudinal direction one after another. Each in-hole measuring point anchor head unit is designed to be a surface contact type and comprises a main anchor head and an anchor head protective cover, wherein each main anchor head is connected with the corresponding anchor head protective cover by a positioning hole. Each main anchor head comprises an indium steel wire, a fixed pulley device, an external force conversion device and an anchor claw execution mechanism; each indium steel wire and each fixed pulley device receive external force; a contraction action is realized by each anchor claw execution mechanism through the conversion and the drive of each external force conversion device; each external force conversion device comprises a tension spring device and a plurality of special springs; each anchor claw execution mechanism comprises a plurality of triangular blade-type anchor claws; and the number of the special springs is the same as that of the anchor claws. The multi-layer telescopic multi-point displacement meter anchor head has the advantages of good anchoring effect, wide measuring range, simple structure, convenience in construction, high anti-sliding capacity, reliable performance and the like.

The invention discloses a multilayer blade-typed multipoint displacement metre anchor head used for a soft soil layer, wherein the anchor head comprises a plurality of measuring point anchoring head units arranged in a drilling hole of a to-be-tested soil body; each measuring point anchoring head units is orderly and vertical to each other and connected with each other through a casing pipe from head to tail; each measuring point anchoring head unit is fixed with one longitudinal measuring point of the drilling hole. Each measuring point anchoring head unit comprises a main anchoring head and an anchoring head protective cover, wherein each main anchoring head and each corresponding anchoring head protective cover are in threaded connection. The multipoint displacement metre anchoring head disclosed by the invention can drive three blade-typed anchoring grasps synchronously with three springs; utilizes elastic energy released instantly to cut into the soft soil to finish anchoring; is not limited by field condition; and is convenient in installation, simple in structure, strong in reliability and stability, good in anchoring effect, strong in anti-skid ability and reliable in performance.

The invention discloses a multilayer blade-typed multipoint displacement metre anchor head used for a soft soil layer, wherein the anchor head comprises a plurality of measuring point anchoring head units arranged in a drilling hole of a to-be-tested soil body; each measuring point anchoring head unit is orderly and vertical to each other and connected with each other through a casing pipe from head to tail; each measuring point anchoring head unit is fixed with one longitudinal measuring point of the drilling hole. Each measuring point anchoring head unit comprises a main anchoring head and an anchoring head protective cover, wherein each main anchoring head and each corresponding anchoring head protective cover are connected in thread. The multipoint displacement metre anchoring head in the invention can drive three blade-typed anchoring grasps synchronously with three springs; utilizes elastic energy released instantly to cut into the soft soil to finish anchoring; is not limited by field condition; and is convenient in installation, simple in structure, strong in reliability and stability, good in anchoring effect, strong in anti-skid ability and reliable in performance.

The invention relates to a reinforcing system and reinforcing method of a wind power generation tower foundation ring foundation. The system comprises the foundation ring foundation (1) and a draught fan tower drum (2). The foundation ring foundation (1) comprises a foundation bottom plate (10), a concrete column pier (9) and a foundation ring (8), and the foundation ring (8) is connected with the draught fan tower drum (2). Steel beams (5) are symmetrically arranged on the outer side of the foundation ring (8) and on the top of the concrete column pier (9), the steel beams (5) surround the foundation ring (8) to form a regular-hexagon-shaped area, and steel-reinforced concrete beams (6) are poured around the regular-hexagon-shaped steel beams (5) and on the outer side of the foundation ring (8). The two ends of the steel beams (5) are connected with prestress anchor rod assemblies (7), and the lower ends of the stress anchor rod assemblies (7) are anchored in the foundation bottom plate (10). Pre-tension force is applied to a prestress anchor rod, so that pre-compressive stress is generated on concrete around the foundation ring, and accordingly the crack problem of the foundation ring foundation caused by fatigue can be fundamentally solved.

The invention provides an integral squeezing steel strand anchorage stay rope and relates to a prestress stay rope and a manufacturing method thereof. The stay rope comprises a steel strand finished stay rope and an internal squeezing stay rope anchorage. The internal squeezing stay rope anchorage comprises a squeezing anchor cup, an adjusting nut and a sealing drum. A threaded hole, a taper hole and a straight hole are arranged in the squeezing anchor cup in sequence. A clamping piece is arranged in the taper hole. The conical degree of the outer surface of the clamping piece is identical with that of the inner surface of the taper hole. Steel strand holes are disposed in the clamping piece. Threads are arranged inside each steel strand hole. Sealant is filled between bare steel strands and the straight hole of the squeezing anchor cup and an inner hole of the sealing drum. The manufacturing method comprises the follow steps: (A) machining every part, component and the steel strand finished stay rope, (B) assembling, (C) threading the steel strands and installing the clamping piece, (D) squeezing, (E) installing an anti-loose screw plug, (F) sealing and filling the sealant. The integral squeezing steel strand anchorage stay rope and the manufacturing method thereof can reduce machining difficulty and production cost, and is reliable in anchoring performance and applicable for different specifications of the steel strands.

The invention relates to an air inflation expansion displacement meter anchor head for a soft soil stratum. The anchor head comprises a plurality of air inflation expansion anchoring heads, a hollow central pipe and high-pressure air inflation pipes, the number of the high-pressure air inflation pipes is equal to that of the air inflation expansion anchoring heads, air bags are arranged in the air inflation expansion anchoring heads, elliptical blade anchor grippers are arranged outside the air inflation expansion anchoring heads, upper connecting sleeves and lower connecting sleeves are arranged at the upper ends of the air inflation expansion anchoring heads, the hollow central pipe penetrates into the air inflation expansion anchoring heads and is connected with the upper connecting sleeve and the lower connecting sleeve on each air inflation expansion anchoring head in a threaded manner, one end of each high-pressure air inflation pipe is connected with a ground high-pressure air inflation device, and the other end of each high-pressure air inflation pipe penetrates the hollow central pipe and extends into the air bag in the corresponding air inflation expansion anchoring head. Compared with the prior art, the air inflation expansion displacement meter anchor head has the advantages that the anchor head is high in accuracy, simple to mount, large in measuring range, safe in construction and high in working efficiency, the measuring process is not interfered by construction, artificial measuring errors are avoided and the like.

The invention discloses a fiber belt-anchoring device having a wedge plate. The fiber belt-anchoring device comprises the wedge plate and anchoring components which can be accessories on two sides, two clamping plates or an anchoring box. Fiber belts continuously bypass the thick head of the wedge plate or extend far towards the direction of the thin head or are folded by utilizing the two clamping plates or respectively clamped between the wedge plate and an inner surface of the anchoring box and then penetrate out together. The fiber belt-anchoring device having the wedge plate has following beneficial effects: the fiber belt-anchoring device is used for structural strengthening and is advantaged by being convenient in installation and reliable in effect; and cost is saved and a construction period is shortened.

In an anchorage (1) of continuous fiber-reinforced polymer (CFRP) strands that anchors continuous fiber-reinforced polymer strands (2) to concrete structures, there is provided an untwisted diameter-expanded portion (3) expanded to a diameter D2 by being radially expanded with respect to a diameter D1 of a general portion (4) of the CFRP strands (2) by untwisting any section of the CFRP strands (2) formed by stranding a plurality of element wires (20, 21) that are bundles of multiple continuous fibers, and filling and curing a time curable material (5) in a clearance among the element wires the untwisted section that is untwisted.

The invention belongs to the relevant technical field of prestress reinforced concrete and discloses a tensioning-anchoring system and method for a prestressed carbon fiber plate of a concrete structure. The tensioning-anchoring system and the tensioning-anchoring method are applied to the clamping, tensioning and anchoring of infrastructure engineering structures such as construction and water conservancy. The tensioning-anchoring system for the prestressed carbon fiber plate of the concrete structure comprises a fixed end anchor tool, a tensioning end anchor tool and a combined tensioning device. The tensioning-anchoring method for the prestressed carbon fiber plate of the concrete structure comprises the steps of mounting an anchoring device, clamping the carbon fiber plate, smearing the carbon fiber plate with glue, carrying out pressed tensioning, detaching the combined tensioning device and mounting a pressing plate. The tensioning-anchoring system and the tensioning-anchoring method can be widely used for strengthening and reinforcing large-scale engineering structures such as constructed or bridges or house buildings under construction and particularly suitable for carrying out in-vitro prestressed reinforcing on large-span concrete beams, plates and the like, so that the carbon fiber strength utilization rate is improved, the bearing forces of the strengthened or reinforced engineering structures are remarkably enhanced, and the service lives of the strengthened or reinforced engineering structures are remarkably prolonged.

The invention provides a retaining wall reinforcing structure and a construction method thereof. The problems that existing retaining wall reinforcing structures occupy much land, are poor in stability and affect normal operation are solved. Upwards-inclining drainage holes are formed in a bottommost drainage opening of an existing retaining wall, a drainage pipe with the side wall provided with holes is arranged in the drainage holes, an anchoring hole is formed in the portion, located above the drainage holes, of the existing retaining wall, and a steel channel rib column is arranged at the outer end of the anchoring hole, attached to the outer surface of the existing retaining wall and arranged vertically. An anchoring rod connected with the steel channel rib column penetrates into the anchoring hole. Three grouting pipes are arranged in the anchoring hole and located around the anchoring rod, the inner end of one grouting pipe is tightly attached to the bottom of the anchoring hole, the inner end of another grouting pipe is located on the inner side of a fracture plane, and the inner end of the third grouting pipe is located on the outer side of the fracture plane. Pile foundation channel steel connected with the steel channel rib column is arranged at the bottom end of the steel channel rib column. A protective slope is arranged on the outer side of top filled earth of the existing retaining wall. By means of the retaining wall reinforcing structure and the construction method thereof, the stability of the retaining wall is improved, and the anchoring effect is reliable.