Anchor cable reducing cage

Abstract

The utility model discloses an anchor cable variable-diameter cage, and belongs to the technical field of building, municipal and water conservancy slope stable supporting and foundation pit safety supporting. The anchor cable variable-diameter cage comprises an anchor cable core, an isolation sleeve arranged on the anchor cable core in a sleeving mode, a plurality of core cage longitudinal bars arranged on one side of the isolation sleeve and a variable-diameter mechanism arranged on the isolation sleeve and used for changing the diameter between the core cage longitudinal bars. The reducing mechanism comprises a fixed block fixedly installed on the isolation sleeve, a sliding block installed on the isolation sleeve in a sliding mode, a first rotating rod hinged to the fixed block, a second rotating rod hinged to the sliding block and a plurality of lifting rods fixedly installed on the sliding block. Through cooperative use of the devices, a user controls the core cage longitudinal bars at the bottom through a lifting handle on the ground, so that the diameter of the core cage longitudinal bars is changed, the diameter of the core cage longitudinal bars can be accurately controlled to be increased and decreased, and the situation that the diameter of the core cage longitudinal bars is not increased enough is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to building, municipal administration, water conservancy side slope stability support and foundation pit safety support technical field, concretely is a kind of anchor cable variable diameter cage. BACKGROUND

[0002] Anchor cable is the supporting structure fixed to slope or ground by outer end, and anchored in stable rock-soil body by inner end, to improve the integrity of side slope rock-soil body, to fundamentally improve the mechanical properties of rock-soil body, effectively control the displacement of rock mass, promote its stability, achieve the purpose of landslide treatment or foundation reinforcement, prestressed anchor cable provides prestress by anchor segment anchored in stable rock-soil body by as little as possible disturbing anchored rock-soil body, thereby effectively improving the stability of anchored rock-soil body, it is a kind of efficient, economic rock-soil reinforcement technology, has been widely used in industrial and civil construction, highway, railway slope reinforcement protection, large underground chamber surrounding rock reinforcement and dam foundation reinforcement, etc.

[0003] After investigation, China utility model patent discloses a kind of expanding diameter type core cage anchor cable (publication number: CN221167784U), including anchor cable component and the expanding diameter core cage connected in the front end of anchor cable, anchor cable component includes anchor cable core, anchor head, isolation sleeve, free section centering support, anchoring segment centering support, anticorrosion sleeve, coil packing fixer.Among them, anchor cable core material is steel strand, wherein steel strand is according to engineering calculation to adopt one bundle or multiple bundles, expanding diameter type core cage is the load-bearing framework made of fiber or reinforcing steel, expanding diameter type core cage includes vertical rib, hoop, flexible mechanism, pressure plate, anchor ring, axial rod, shield after exit work, the assembly of flexible mechanism includes several numbers of movable link and several numbers of telescopic link.Core cage contains vertical rib and hoop, vertical rib is connected with power spring by flexible mechanism, including 2 or more flexible mechanism of fixed telescopic rod of axial rod, wherein one flexible structure is fixedly connected with pressure steel plate.

[0004] In the above patent, the core cage and the steel strand are connected as a whole through the expandable core cage, and are poured into the concrete to form an anchor cable that bears tensile and uplift resistance. After the anchor cable is subjected to the upward buoyancy or tensile force of the soil body, the anchoring body of the anchor cable is subjected to the upward buoyancy or tensile force. Due to the outward expansion of the enlarged portion compared to the other parts of the anchoring body, the upper surface of the outward protruding portion of the enlarged portion is subjected to the downward resistance of the soil body, so that the entire enlarged portion is subjected to the downward force. Since the anchor cable is isolated by the sleeve, and the end of the anchor cable is directly connected to the bottom pressure plate of the core cage, when the entire enlarged portion is subjected to the downward force, the stress on the vertical rib of the core cage is tensile stress, thereby making up for the low tensile strength of the concrete, so that the enlarged portion can withstand greater tensile stress. However, the diameter of the core cage longitudinal rib is expanded and reduced by the dynamic spring and the living mechanism at the bottom of the ground, and the user cannot accurately control it on the ground, which may result in insufficient expansion of the diameter of the core cage longitudinal rib.

[0005] Therefore, the utility model provides a kind of anchor cable variable diameter cage to solve the above problems. Utility model content

[0006] (1) technical problems solved

[0007] The utility model provides a kind of anchor cable variable diameter cage, to solve the problems in the background art.

[0008] (2) technical scheme

[0009] To achieve the above object, the utility model provides the following technical scheme: a kind of anchor cable variable diameter cage, the anchor cable variable diameter cage includes anchor cable core, the isolating sleeve of setting on anchor cable core, multiple the core cage longitudinal rib of being arranged in the side of isolating sleeve and the variable diameter mechanism for changing the diameter between core cage longitudinal rib being arranged on isolating sleeve.

[0010] Variable diameter mechanism includes fixedly installed on isolating sleeve fixed block, slidingly installed on isolating sleeve sliding block, first rotary lever being hinged in fixed block, second rotary lever being hinged in sliding block and multiple fixedly installed on sliding block pull rod, the end of first rotary lever away from fixed block is hinged in core cage longitudinal rib, the end of second rotary lever away from sliding block is hinged in core cage longitudinal rib, and first rotary lever is rotatably installed with second rotary lever.

[0011] As a preferred technical scheme of the present application, the pull rod is arranged in an annular array on the sliding block, the isolating sleeve is slidingly connected with a self-locking block, and the top of the pull rod is fixedly connected to the bottom of the self-locking block.

[0012] As a preferred technical scheme of the present application, the top of the isolating sleeve is rotatably connected with a locking rod, a plurality of locking grooves are formed in the self-locking block for sliding the locking rod, and the top of the self-locking block is fixedly connected with a pull handle.

[0013] As a preferred technical scheme of the present application, the side surface of the isolation sleeve is fixedly connected with an anchor head anchor, the pull rod is slidingly connected in the inside of the anchor head anchor, and the bottom of the self-locking block is slidingly connected with the top of the anchor head anchor.

[0014] As a preferred technical scheme of the present application, the side surface of the core cage longitudinal rib is fixedly connected with a core cage stirrup, the bottom of the isolation sleeve is fixedly connected with a guide cap, and the guide cap is conical.

[0015] As a preferred technical scheme of the present application, the core cage longitudinal rib is arranged in an annular array along the axis of the isolation sleeve, the pull rod penetrates the sliding block and the fixed block, and the pull rod is slidingly connected with the fixed block.

[0016] (Three) beneficial effects

[0017] The utility model discloses simple structure, convenient to use, and the user controls the core cage longitudinal rib at the bottom through the pull hand on the ground, makes the core cage longitudinal rib carry out the change in diameter, can accurately control the expansion and reduction of the diameter of core cage longitudinal rib, reduces the situation that the diameter of core cage longitudinal rib expands insufficiently. ACCURATE DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of an anchor cable variable-diameter cage.

[0019] Figure 2 It is an installation schematic diagram of a first rotating rod in an anchor cable variable-diameter cage.

[0020] Figure 3 It is Figure 1 It is an enlarged schematic diagram of A in the middle.

[0021] Figure 4 It is an installation schematic diagram of an anchor cable core in an anchor cable variable-diameter cage.

[0022] In the drawings:

[0023] 1, anchor cable core; 2, isolation sleeve; 3, core cage longitudinal rib; 4, fixed block; 5, sliding block; 6, first rotating rod; 7, second rotating rod; 8, pull rod; 9, self-locking block; 10, lock groove; 11, lock rod; 12, pull hand; 13, anchor head anchor; 14, core cage stirrup; 15, guide cap. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the present application will be apparently and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the present application.

[0025] The utility model provides a kind of anchor cable variable diameter cage, as shown in Figure 1 、 Figure 2 And Figure 4 It includes anchor cable core 1, isolating sleeve 2 on anchor cable core 1, a plurality of core cage longitudinal reinforcement 3 being arranged in the side of isolating sleeve 2 and variable diameter mechanism for changing the diameter between core cage longitudinal reinforcement 3 being arranged on isolating sleeve 2.

[0026] Variable diameter mechanism includes fixed block 4 being fixedly installed on isolating sleeve 2, sliding block 5 being slidably installed on isolating sleeve 2, first rotary lever 6 being hinged on fixed block 4, second rotary lever 7 being hinged on sliding block 5 and a plurality of pull rods 8 being fixedly installed on sliding block 5, the end of first rotary lever 6 away from fixed block 4 is hinged on core cage longitudinal reinforcement 3, the end of second rotary lever 7 away from sliding block 5 is hinged on core cage longitudinal reinforcement 3, and first rotary lever 6 is rotatably installed with second rotary lever 7.

[0027] When using the anchor cable variable diameter cage, drill to the designed depth by drilling machine, then put the anchor cable variable diameter cage into the hole, move a plurality of pull rods 8 upward, the movement of a plurality of pull rods 8 drives two sliding blocks 5 to move upward synchronously, the upward movement of sliding block 5 drives a plurality of second rotary levers 7 to start rotating, the rotation of a plurality of second rotary levers 7 will push the corresponding core cage longitudinal reinforcement 3 outward, the outward movement of core cage longitudinal reinforcement 3 will drive first rotary lever 6 to rotate, first rotary lever 6 and second rotary lever 7 play a fixed role on core cage longitudinal reinforcement 3, push pull rod 8 downward, and a plurality of core cage longitudinal reinforcement 3 will be brought closer to the inside accordingly, so as to realize the variable diameter function of core cage longitudinal reinforcement 3, after adjusting to the size suitable for the hole, by high-pressure cement mortar, the anchor cable is formed in the cement mortar to bear tensile and uplift resistance, the part where the core cage is located will form an enlarged portion accordingly, after the soil body sliding tension is applied, the anchoring body of anchor cable will be subjected to upward tension, because the enlarged portion protrudes outward compared to other parts of anchoring body, the upper surface of the outward protruding part of enlarged portion will be subjected to downward resistance of soil body, so that the whole enlarged portion is subjected to downward force.

[0028] Further, in order to lock core cage longitudinal reinforcement 3 after expansion, as shown in Figure 1 And Figure 3 Pull rod 8 is arranged in annular array on sliding block 5, self-locking block 9 is slidably connected on isolating sleeve 2, and the top of pull rod 8 is fixedly connected to the bottom of self-locking block 9.

[0029] Locking rod 11 is rotatably connected to the top of isolating sleeve 2, a plurality of lock grooves 10 for sliding locking rod 11 are formed in self-locking block 9, and pulling handle 12 is fixedly connected to the top of self-locking block 9.

[0030] When using this anchor cable reducing cage, the self-locking block 9 moves up and down by lifting or pushing the handle 12, thereby causing the lifting rod 8, which is fixedly connected to the bottom of the self-locking block 9, to rise and fall. When the lifting rod 8 rises, the core cage longitudinal rib 3 expands outward through the reducing mechanism. When the lifting rod 8 falls, the core cage longitudinal rib 3 shrinks inward through the reducing mechanism. When the core cage longitudinal rib 3 expands to a suitable size, the locking rod 11 is manually rotated, and the pin in the locking rod 11 slides into the locking groove 10 opened on the self-locking block 9. Since multiple locking grooves 10 are opened, it can accommodate core cage longitudinal ribs 3 of various diameters. When it is necessary to shrink the core cage longitudinal rib 3 inward, the locking rod 11 is rotated in the opposite direction, and then the lifting handle 12 is pushed down to shrink the core cage longitudinal rib 3 inward.

[0031] In order to further fix the anchor cables after the piles are formed by high-pressure injection of cement mortar, such as Figure 1 and Figure 3 As shown, the side surface of the isolation sleeve 2 is fixedly connected to the anchor head 13, the lifting rod 8 is slidably connected inside the anchor head 13, and the bottom of the self-locking block 9 is slidably connected to the top of the anchor head 13.

[0032] After the pile is formed by high-pressure injection of cement mortar, the anchor head 13 will be in close contact with the ground. Then, the anchor head 13 will be fixed to the ground by manually installing the threaded rod.

[0033] It should be noted that, in order to guide the anchor cable reducer cage when placing it in the hole, such as... Figure 1 and Figure 4 As shown, core cage stirrups 14 are fixedly connected to the side surface of the longitudinal reinforcement 3 of the core cage, and guide caps 15 are fixedly connected to the bottom of the isolation sleeve 2. The guide caps 15 are conical.

[0034] The longitudinal ribs 3 of the core cage are arranged in a ring array along the axis of the isolation sleeve 2. The lifting rod 8 passes through the sliding block 5 and the fixed block 4, and the lifting rod 8 and the fixed block 4 are slidably connected.

[0035] When using this anchor cable reducer cage, during the placement of the anchor cable reducer cage in the hole, the guide cap 15 guides the entire anchor cable reducer cage to prevent the anchor cable reducer cage from shifting its angle during descent.

[0036] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An anchor cable variable diameter cage, characterized by: The anchor cable variable diameter cage comprises an anchor cable core (1), an isolation sleeve (2) sleeved on the anchor cable core (1), a plurality of core cage longitudinal bars (3) arranged on one side of the isolation sleeve (2), and a variable diameter mechanism arranged on the isolation sleeve (2) for changing the diameter between the core cage longitudinal bars (3); The variable diameter mechanism comprises a fixed block (4) fixedly installed on the isolation sleeve (2), a sliding block (5) slidingly installed on the isolation sleeve (2), a first rotating rod (6) hinged to the fixed block (4), a second rotating rod (7) hinged to the sliding block (5), and a plurality of pull rods (8) fixedly installed on the sliding block (5), one end of the first rotating rod (6) away from the fixed block (4) is hinged to the core cage longitudinal bar (3), one end of the second rotating rod (7) away from the sliding block (5) is hinged to the core cage longitudinal bar (3), and the first rotating rod (6) and the second rotating rod (7) are rotationally installed.

2. An anchor line variable diameter cage according to claim 1, wherein: The pull rods (8) are arranged in a ring array on the sliding block (5), the isolation sleeve (2) is slidingly connected with a self-locking block (9), and the top of the pull rod (8) is fixedly connected to the bottom of the self-locking block (9).

3. An anchor line variable diameter cage according to claim 2, wherein: The top of the isolation sleeve (2) is rotationally connected with a lock rod (11), a plurality of lock grooves (10) are formed in the self-locking block (9) for the lock rod (11) to slide, and the top of the self-locking block (9) is fixedly connected with a pull handle (12).

4. An anchor line variable diameter cage according to claim 3, wherein: The side surface of the isolation sleeve (2) is fixedly connected with an anchor head anchor (13), the pull rod (8) is slidingly connected in the anchor head anchor (13), and the bottom of the self-locking block (9) is slidingly connected to the top of the anchor head anchor (13).

5. An anchor line variable diameter cage according to claim 4, wherein: The side surface of the core cage longitudinal bar (3) is fixedly connected with a core cage stirrup (14), the bottom of the isolation sleeve (2) is fixedly connected with a guide cap (15), and the guide cap (15) is conical.

6. An anchor line variable diameter cage according to claim 1, wherein: The core cage longitudinal bars (3) are arranged in a ring array along the axis of the isolation sleeve (2), the pull rod (8) penetrates the sliding block (5) and the fixed block (4), and the pull rod (8) is slidingly connected with the fixed block (4).

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