CN214195529U

CN214195529U - Low-damage strong-waterproof single-side formwork structure

Info

Publication number: CN214195529U
Application number: CN202023043118.2U
Authority: CN
Inventors: 焦伟玲; 陈劲; 闫朋; 芦爱君; 谢磊; 王建雨; 陈秀娟; 韩志明
Original assignee: AVIC Construction Group Co Ltd
Current assignee: AVIC Construction Group Co Ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-09-14
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a low-damage strong waterproof unilateral formwork structure, which comprises a formwork support body, wherein the formwork support body comprises a waterproof guide wall and a wall inner formwork, a space for pouring concrete is enclosed between the waterproof guide wall and the wall inner formwork, one side of the waterproof guide wall, which is far away from the wall inner formwork, is provided with a reinforcing steel bar layer, and a plurality of drawknot pieces are arranged to pass through the wall inner formwork and the waterproof guide wall to be connected with the reinforcing steel bar layer; the supporting component comprises a bottom plate, a plurality of supporting rods and a plurality of connecting rods, wherein a first rotating shaft, a second rotating shaft and a third rotating shaft are arranged on the upper surface of the bottom plate, the plurality of supporting rods are coaxially arranged on the first rotating shaft and the second rotating shaft, the plurality of connecting rods are coaxially arranged on the third rotating shaft, the supporting rods and the connecting rods are C-shaped steel pipes, and the supporting rods and the connecting rods on the same rotating shaft are overlapped and sleeved together. The utility model discloses do not destroy structure waterproof layer and underground structure, have higher security and better water-proof effects.

Description

Low-damage strong-waterproof single-side formwork structure

Technical Field

The utility model relates to a construction technical field. More specifically, the utility model relates to a low waterproof unilateral formwork structure of wound intensity.

Background

The distance between part of the outer wall of the newly-built engineering garage and the original main building underground outer wall is small, the outer wall of the newly-built engineering garage is under the condition that the construction of the main building underground outer wall is completed, or the construction of the basement outer wall can be only carried out by one-side formwork support construction due to limited site during the construction of the basement. Conventional single-side formwork tie pieces are welded to main ribs of supporting structures such as row piles and underground continuous walls or main ribs of constructed structural walls, so that the enclosure structures or the main structures are damaged, and potential safety hazards are formed. In addition, the welded tie pieces can penetrate through the structural waterproof layer, and the waterproof effect of the structural outer wall is affected.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to solve at least the above problems and to provide at least the advantages which will be described later.

The utility model discloses it is still another purpose to provide a strong waterproof unilateral formwork structure of low damage, it has higher security and better water-proof effects under the condition that does not destroy structure waterproof layer and underground structure.

In order to achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a low-damage strong waterproof one-sided formwork structure, including:

the formwork support body comprises a waterproof guide wall and a wall inner formwork, a space for pouring concrete is formed between the waterproof guide wall and the wall inner formwork in a surrounding mode, a reinforcing steel bar layer is installed on one side, away from the wall inner formwork, of the waterproof guide wall, a plurality of tie pieces are arranged through the wall inner formwork and the waterproof guide wall and connected with the reinforcing steel bar layer, a plurality of groups of transverse double-row steel pipes are arranged on the outer side of the wall inner formwork, the tie pieces penetrate through gaps among the double-row steel pipes, threads are arranged at one ends, located outside the double-row steel pipes, of the tie pieces, butterfly clamps and locking nuts are sequentially sleeved on the peripheries of the tie pieces, and the locking nuts are screwed on the tie pieces and tightly press the butterfly clamps on the outer sides of the double-row steel pipes;

the supporting assembly comprises a bottom plate, a plurality of supporting rods and a plurality of connecting rods, wherein a first rib, a second rib and a third rib which are parallel to the wall inner formwork are arranged on the upper surface of the bottom plate, a plurality of first rotating shafts are arranged on the first rib at intervals, a plurality of second rotating shafts are arranged on the second rib at intervals, a plurality of third rotating shafts are arranged on the third rib at intervals, the second rotating shafts, the third rotating shafts and the first rotating shafts are sequentially staggered, a plurality of supporting rods are coaxially arranged on the first rotating shafts and the second rotating shafts, a plurality of connecting rods are coaxially arranged on the third rotating shafts, the supporting rods and the connecting rods are C-shaped steel pipes, the widths of the supporting rods and the connecting rods on the same rotating shaft are gradually decreased and overlapped together, the end parts of the supporting rods are connected with the double-row steel pipes, and the connecting rods are connected with the adjacent supporting rods on two sides, install slant rag bolt and vertical rag bolt on the bottom plate, slant rag bolt is close to the third bead, vertical rag bolt is close to first bead, slant rag bolt and vertical rag bolt are all pre-buried in ground.

Preferably, the tie is a water screw.

Preferably, a waterproof layer is arranged on one side, close to the wall inner formwork, of the waterproof guide wall.

Preferably, the reinforcing steel bar layer is a reinforcing steel bar mesh, and one end of the tie member is welded on the reinforcing steel bar mesh.

Preferably, the end of the support rod is fixed on the side wall of the double-row steel pipe through a nut.

Preferably, the connecting rod is connected to the supporting rod by a fastener.

Preferably, the end connection of bracing piece has the extension rod, the extension rod is C shape steel pipe, the width of extension rod is greater than the width of bracing piece, the tip of bracing piece inserts in the extension rod, a plurality of holes have all been seted up along length direction to the lateral wall of extension rod and bracing piece, the hole department that the grafting end of extension rod and bracing piece overlaps each other is provided with the bolt, the other end of extension rod is connected double steel pipe.

Preferably, the end connection of connecting rod has the extension rod, the extension rod is C shape steel pipe, the width of extension rod is greater than the width of connecting rod, the tip of connecting rod inserts in the extension rod, a plurality of holes have all been seted up along length direction to the lateral wall of extension rod and connecting rod, the hole department that the grafting end of extension rod and connecting rod overlaps each other is provided with the bolt.

The utility model discloses at least, include following beneficial effect:

firstly, the utility model welds the tie pieces on the mesh sheets of the reinforcing steel bars to form reliable tie, and sets a mode of combining the supporting components outside the inner formwork of the wall, so that the supporting structure of the foundation pit is not damaged, the low-damage unilateral formwork structure is realized, the safety is higher, and the unilateral formwork structure can be ensured not to have the conditions of formwork running, formwork expansion and the like;

secondly, one end of the tie member of the utility model passes through the waterproof guide wall and the reinforcing mesh, and the other end passes through the wall inner formwork and is fixed by the butterfly card and the locking nut, the waterproof layer of the main building structure is not damaged by the tie member, and meanwhile, a waterproof layer is arranged on one side of the waterproof guide wall close to the wall inner formwork, so that the waterproof structure has a good waterproof effect;

third, the utility model discloses the accessible is rotatory during the use bracing piece and connecting rod are fixed to relevant position, play the support the effect of wall body inner formword can be adjusted through the extension rod simultaneously the length of bracing piece and connecting rod satisfies different position demands, can demolish the extension rod after the construction is accomplished, and bracing piece and connecting rod overlap and accomodate together, remove to next construction position along with the bottom plate, and the material resources of using manpower sparingly improve work efficiency.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of a technical solution of the present invention;

fig. 2 is a schematic view of an end structure of the drawknot component of the present invention;

fig. 3 is a schematic structural view of the support assembly of the present invention;

fig. 4 is a schematic structural view of the support rod on the first rotating shaft of the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terms "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

As shown in fig. 1-4, the utility model provides a low strong waterproof unilateral formwork structure of injury, include: the formwork support body comprises a waterproof guide wall 1 and a wall inner formwork 2, a space 3 for pouring concrete is formed between the waterproof guide wall 1 and the wall inner formwork 2 in a surrounding mode, a reinforcing steel bar layer 4 is installed on one side, away from the wall inner formwork 2, of the waterproof guide wall 1, a plurality of tie pieces 5 are arranged to penetrate through the wall inner formwork 2 and the waterproof guide wall 1 and connected with the reinforcing steel bar layer 4, a plurality of groups of transverse double-row steel pipes 6 are arranged on the outer side of the wall inner formwork 2, the tie pieces 5 penetrate through gaps among the double-row steel pipes 6, threads are arranged at one ends, located outside the double-row steel pipes 6, of the tie pieces 5, butterfly clamps 51 and locking nuts 52 are sequentially sleeved on the peripheries of the tie pieces 5, and the butterfly clamps 51 are tightly pressed on the outer sides of the double-row steel pipes 6 by the locking nuts 52 in a screwing mode;

the supporting component comprises a bottom plate 7, a plurality of supporting rods 8 and a plurality of connecting rods 9, wherein a first rib 71, a second rib 72 and a third rib 73 which are parallel to the wall inner formwork 2 are arranged on the upper surface of the bottom plate 7, a plurality of first rotating shafts 74 are arranged on the first rib 71 at intervals, a plurality of second rotating shafts 75 are arranged on the second rib 72 at intervals, a plurality of third rotating shafts 76 are arranged on the third rib 73 at intervals, the second rotating shafts 75, the third rotating shafts 76 and the first rotating shafts 74 are sequentially and alternately arranged, a plurality of supporting rods 8 are coaxially arranged on the first rotating shafts 74 and the second rotating shafts 75, a plurality of connecting rods 9 are coaxially arranged on the third rotating shafts 76, the supporting rods 8 and the connecting rods 9 are C-shaped steel pipes, the widths of the supporting rods 8 and the connecting rods 9 on the same rotating shaft are gradually reduced and overlapped together, the end parts of the supporting rods 8 are connected with the double-row steel pipes 6, each adjacent bracing piece 8 in both sides is connected to connecting rod 9, install slant rag bolt 77 and vertical rag bolt 78 on the bottom plate 7, slant rag bolt 77 is close to third bead 73, vertical rag bolt 78 is close to first bead 71, slant rag bolt 77 and vertical rag bolt 78 are all pre-buried in ground.

In the technical scheme, a waterproof guide wall 1 is built on the outer side of a main building basement 10, a wall inner template 2 is installed at a certain distance from one end of the basement, a concrete cast wall body is arranged between the waterproof guide wall 1 and the wall body inner template 2, a reinforcing steel bar layer 4 is arranged in a gap between the main building basement first built wall body 10 and the waterproof guide wall 1, the outer side of the wall inner formwork 2 is provided with a plurality of transverse double-row steel pipes 6, the double-row steel pipes 6 are arranged from top to bottom, still be provided with simultaneously and draw knot spare 5, draw knot spare 5 passes waterproof wall 1, wall body inner formword 2 and the clearance between the double steel pipe 6 in proper order, stretches out the outside of wall body inner formword 2, and the one end of drawing knot spare 5 is connected at reinforcing bar layer 4, and another pot head is equipped with butterfly card 51 and lock nut 52, and the other end of drawing knot spare 5 is provided with the external screw thread of matcing, lock nut 52 adorns in external screw thread department soon. The technical scheme is that the support assembly is further provided with a bottom plate 7 which is fixed on the ground through oblique foundation bolts 77 and vertical foundation bolts 78, the upper surface of the bottom plate 7 is provided with three parallel convex edges which are parallel to the wall inner formwork 2, each convex edge is provided with a plurality of rotating shafts, a plurality of connecting rods 9 are arranged on a third rotating shaft 76 which is close to a third convex edge 73 of the wall inner formwork 2, a plurality of support rods 8 are arranged on a second rotating shaft 75 and a third rotating shaft 76 which are close to a first convex edge 71 of the wall inner formwork 2 and a middle second convex edge 72, a plurality of support rods 8 are arranged on a first convex edge 71 which is far away from the wall inner formwork 2, the connecting rods 9 and the support rods 8 are C-shaped steel pipes, the widths of the connecting rods 9 and the support rods 8 on the same rotating shaft are gradually reduced, the connecting rods can be sleeved together in a stacked mode, the rotating shafts on each convex edge are alternately arranged, and two sides of each connecting rod 9 are respectively close to the support rods 8 on the second rotating shaft 75 and the third rotating shaft 76, and is fixed by a buckle, and the free end part of the support rod 8 is fixedly connected on the side wall of the double-row steel pipe 6. In the construction process, firstly, a steel bar layer 4 is installed on the outer side of a wall body 10 built in a basement of a main building, a waterproof guide wall 1 is built, pull pieces 5 are welded at different positions of the steel bar layer 4 while the wall is built, after the waterproof guide wall 1 is built, a waterproof layer is installed on the side wall of the wall body in a plastering mode, then an inner wall formwork 2 is fixed, the pull pieces 5 penetrate through the inner wall formwork 2, double-row steel pipes 6 are installed at the pull pieces 5, the pull pieces 5 penetrate through the middle gaps of the double-row steel pipes 6, butterfly cards 51 and locking nuts 52 are installed at the end portions of the pull pieces 5, the locking nuts 52 are screwed to the side of the inner wall formwork 2, and the butterfly cards 51 are extruded to be fixed outside the double-row steel pipes 6. The bottom plate 7 provided with the support rods 8 and the connecting rods 9 is placed on the outer side of the wall inner formwork 2, the connecting rods 9 are made to be close to the wall inner formwork 2, the bottom plate 7 is fixed on the ground through the oblique foundation bolts 77 and the vertical foundation bolts 78, the support rods 8 are rotated, the end portions of the support rods 8 are connected to the outer wall of the double-row steel pipe 6, the connecting rods 9 are rotated, the connecting rods 9 are made to fix the adjacent support rods 8, and therefore the installation of the single-side formwork supporting structure is completed. Pouring concrete between the waterproof guide wall 1 and the wall inner formwork 2, removing the support rods 8 and the connecting rods 9 after pouring, rotating to enable the support rods and the connecting rods to be overlapped together again, removing the oblique foundation bolts 77 and the vertical foundation bolts 78, and transferring the support assembly to the next construction site. Set up drawknot spare 5 among this technical scheme, reinforcing bar layer 4 is connected to 5 one ends of drawknot spare, and the other end fastening plays the drawknot effect in the 2 outsides of wall body inner formword, supporting component sets up bracing piece 8 and is used for supporting wall body inner formword 2, takes place the die expansion phenomenon of running when preventing to pour concrete, sets up connecting rod 9 simultaneously and connects each fixed bracing piece 8, improves supporting component's supporting role. Bracing piece 8 and connecting rod 9 are connected on bottom plate 7 through the pivot, can adjust the inclination of each bracing piece 8 and connecting rod 9 through rotatory pivot, and convenient the installation is in the position of difference, and the bracing piece 8 and connecting rod 9 of same pivot can overlap and overlap simultaneously and be in the same place, convenient transfer and transportation. The bottom plate 7 is provided with an oblique anchor bolt 77 and a vertical anchor bolt 78, the oblique anchor bolt 77 is located near one end of the third rib 73, and the vertical anchor bolt 78 is located near one end of the first rib 71 and used for fixing the bottom plate 7 and improving the stability of the single-side formwork supporting structure.

In another solution, as shown in fig. 1, the tie 5 is a water screw. A water stop sheet is arranged in the middle of the water stop screw rod, so that water can be effectively prevented from passing through the wall body.

In another technical scheme, as shown in fig. 1, a waterproof layer is arranged on one side of the waterproof guide wall 1 close to the wall inner formwork 2. The waterproof layer is arranged, and good waterproof performance is guaranteed.

In another technical solution, as shown in fig. 1, the reinforcement layer 4 is a mesh reinforcement sheet, and one end of the tie member 5 is welded to the mesh reinforcement sheet. The tie pieces 5 are welded on the reinforcing mesh sheets, and the other ends of the tie pieces are fixed on the outer sides of the wall inner formworks 2 to form reliable ties.

In another technical solution, as shown in fig. 1, the end of the support rod 8 is fixed on the side wall of the double row steel tube 6 by a nut. The support rod 8 is fixed on the side wall of the double-row steel pipe 6, so that a good support effect is achieved, and the conditions of die running, die expansion and the like are effectively avoided.

In another technical solution, as shown in fig. 1, the connecting rod 9 is connected to the supporting rod 8 through a fastener. The connecting rod 9 is fixedly supported on the supporting rod 8, and the stability of the device is improved.

In another kind of technical scheme, as shown in fig. 4, the end connection of bracing piece 8 has extension rod 11, extension rod 11 is C shape steel pipe, extension rod 11's width is greater than the width of bracing piece 8, the end plug of bracing piece 8 is in the extension rod 11, a plurality of holes 12 have all been seted up along length direction to

extension rod

11 and 8's lateral wall, the hole department that the grafting end of extension rod 11 and bracing piece 8 overlaps each other is provided with the bolt, the other end of extension rod is connected double steel pipe 6. The tip detachable of bracing piece 8 installs extension rod 11 that can peg graft each other, can be through adjusting the length of bracing piece 8 with the hole number adjustment bracing piece 8 that extension rod 11 overlaps each other, satisfies different position demands, improves the device utilization ratio.

In another kind of technical scheme, the end connection of connecting rod 9 has extension rod 11, extension rod 11 is C shape steel pipe, extension rod 11's width is greater than the width of connecting rod 9, the tip plug-in of connecting rod 9 is in extension rod 11, a plurality of holes 12 have all been seted up along length direction to extension rod 11 and the lateral wall of connecting rod 9, the hole department that the end of pegging graft of extension rod 11 and connecting rod 9 overlaps each other is provided with the bolt. The tip detachable of connecting rod 9 installs extension rod 11 that can peg graft each other, can satisfy different position demands through the length of adjusting connecting rod 9 with the hole number adjustment connecting rod 9 that extension rod 11 overlaps each other, improves the device utilization ratio.

The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.

While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.

Claims

1. Waterproof unilateral formwork structure is strong in low damage, its characterized in that includes:

2. The low-damage strong water-resistant single-sided formwork structure of claim 1, wherein the tie is a water screw.

3. The low-damage and high-water-proofing single-side formwork structure according to claim 1, wherein a water-proofing layer is arranged on one side of the water-proofing guide wall close to the wall inner formwork.

4. The low-damage strong waterproof single-sided formwork structure of claim 1, wherein the reinforcing layer is a mesh of reinforcing bars, and one end of the tie member is welded to the mesh of reinforcing bars.

5. The low-damage strong waterproof single-side formwork structure of claim 1, wherein the end of the supporting rod is fixed on the side wall of the double-row steel pipe by a nut.

6. The low-damage strong waterproof one-sided formwork structure of claim 1, wherein the connecting bar is connected to the supporting bar by a fastener.

7. The low-damage strong waterproof unilateral formwork structure of claim 1, characterized in that the end of the supporting rod is connected with an extension rod, the extension rod is a C-shaped steel pipe, the width of the extension rod is larger than the width of the supporting rod, the end of the supporting rod is inserted into the extension rod, a plurality of holes are opened on the side walls of the extension rod and the supporting rod along the length direction, a bolt is arranged at the hole where the inserting ends of the extension rod and the supporting rod are overlapped, and the other end of the extension rod is connected with the double-row steel pipe.

8. The low-damage strong-waterproof unilateral formwork structure according to claim 1, wherein an extension rod is connected to an end of the connecting rod, the extension rod is a C-shaped steel pipe, the extension rod has a width greater than that of the connecting rod, the end of the connecting rod is inserted into the extension rod, a plurality of holes are formed in side walls of the extension rod and the connecting rod along a length direction, and bolts are disposed at the holes where the insertion ends of the extension rod and the connecting rod overlap each other.