CN210066493U

CN210066493U - Hoop mold for trestle hanging mold construction

Info

Publication number: CN210066493U
Application number: CN201920099518.3U
Authority: CN
Inventors: 王仁意; 蔡广升; 陈文豪; 任钟强; 陈兵
Original assignee: Guangxi Construction Engineering Group No4 Construction Engineering Co Ltd
Current assignee: Guangxi Construction Engineering Group No4 Construction Engineering Co Ltd
Priority date: 2019-01-19
Filing date: 2019-01-19
Publication date: 2020-02-14
Anticipated expiration: 2029-01-19

Abstract

The utility model belongs to a building construction field, in particular to a staple bolt mould for trestle suspended formwork construction, set up two left and right supporting cantilevers on the staple bolt about including being two left and right staple bolts of semicircle annular and symmetry, the holding surface of left and right supporting cantilever is in on same horizontal plane, and the staple bolt is held trestle bored concrete pile under the connecting piece effect about the during operation, sets up the template crossbeam frame on supporting cantilever about. The anchor ear mold can utilize the trestle cast-in-place pile as a template support vertical rod without additionally erecting a floor support rod, thereby avoiding the adverse consequences of seawater corrosion and impact on the support rod, having quick and efficient disassembly and assembly by using the anchor ear mold and saving the engineering cost.

Description

Hoop mold for trestle hanging mold construction

Technical Field

The utility model belongs to a building construction field, in particular to a staple bolt mould that is used for landing stage to hang mould construction.

Background

With the continuous pursuit of people for good life, trestles or similar landscaping galleries are built on offshore shoals and some wetland swamp areas more and more, the construction process generally comprises the steps of driving steel pipe concrete cast-in-place piles on shallow sea areas, building floor type steel pipe support brackets among the cast-in-place piles, building templates on the support brackets, and then pouring and tamping concrete to finish the cast-in-place of the bridge floor. The method for erecting the vertical rod floor type support frame has a plurality of adverse factors when being used in shallow sea or shoal areas: 1. shallow sea areas are mostly sea sand, the soil is soft, and the vertical rods are not firm when falling to the ground; 2. seawater is a corrosive substance, and corrodes the vertical rod of the steel pipe frame, so that the wall of the steel pipe is scrapped due to corrosion thinning, strength weakening and support force reduction; 3. in offshore areas, strong typhoons are more, and the impact force of sea waves on the steel pipe vertical rods directly can cause collapse of the steel pipe frame; 4. the beach or swamp area soil is soft, and in order to ensure that the steel pipe is firmly inserted into the deep silt, the later steel pipe frame is inconvenient to dismantle, and mechanical dismantling is mainly adopted at present to cause high damage rate of the steel pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a staple bolt mould that is used for trestle suspended formwork construction to the defect that prior art exists to solve template support bracket pipe and alternate in soft soil property, easily receive the seawater corrosion to strike and dismouting process technical problem such as complicated.

Realize the utility model discloses purpose technical scheme is:

a hoop mould for trestle hanging mould construction is different from the prior art in that the mould comprises a left hoop and a right hoop which are in a semicircular shape, a left supporting cantilever and a right supporting cantilever,

after the left and right anchor ears are closed, the corresponding wing plates are connected by a connecting piece, the space after the left and right anchor ears are closed is matched with the caliber of the cast-in-place pile of the trestle,

one end of the left and right supporting cantilevers is respectively connected with the outer wall of the middle part of the left and right supporting cantilevers, the left and right supporting cantilevers are radially arranged along the semicircular rings of the left and right hoops, and the supporting surfaces of the left and right supporting cantilevers are positioned on the same horizontal plane.

Furthermore, a reinforcing rib plate is arranged at the joint of the wing plate and the hoop body.

Further, the left and right supporting cantilevers are I-shaped steel larger than 40B.

Furthermore, the upper parts of the outer walls of the left and right hoops are respectively provided with two hooks, the hooks are respectively arranged on two sides of the left and right supporting cantilevers in equal height and symmetrically, and the four hooks are uniformly distributed along the circumferential direction after the left and right hoops are closed.

Further, the hook is made of a steel bar with the diameter not less than 10 mm.

Further, the connecting piece is a bolt.

Further, the axial height of the left and right hoops is 500-800 mm.

Furthermore, the wall thickness of the left and right hoop bodies is 10-20 mm.

Furthermore, the thickness of the wing plate is 10-20 mm.

The installation method of the hoop die comprises the following steps of driving steel pipe concrete cast-in-place piles according to the distance specified by construction drawing, determining the enclosing caliber of the hoop according to the diameter of the cast-in-place pile, manufacturing the hoop die, clamping the left and right hoop cast-in-place piles after the cast-in-place piles meet the strength, fastening, placing cement pads on bearing surfaces on bearing cantilevers, erecting a horizontal cross beam on the cement pads to connect the hoop die on the adjacent cast-in-place piles, constructing a formwork supporting bracket on the basis of a horizontal cross beam on the hoop die, reserving holes at the ends of the horizontal cross beam to facilitate later-stage disassembly, and the other steps are the same as the prior art.

When the hoop mold needs to be disassembled, according to the following steps, a hook machine is used for hooking the horizontal cross beam on the cement pad, then the cement pad is broken, a moving space is vacated, the height of the formwork support bracket is reduced to enable the formwork support bracket to be placed on the supporting cantilever, after the formwork and the horizontal cross beam are pulled out in sequence, the connecting pieces of the left hoop wing plate and the right hoop wing plate are opened, and the hoop mold can be disassembled.

The hoop mould provided by the technical scheme has the advantages of simple structure and low manufacturing cost, and the pile foundation can be used as a formwork support bracket upright rod without additionally erecting a floor support rod by using the hoop mould, so that the bad consequences of seawater corrosion and impact on the support rod are avoided, the hoop mould is quickly and efficiently disassembled and assembled, and the engineering cost is saved.

Drawings

Fig. 1 is a schematic structural view of a hoop mold according to an embodiment of the present invention;

FIG. 2 is a schematic view of a hoop mold according to an embodiment in use;

fig. 3 is a partial schematic view of trestle formwork support bracket construction.

In the figure, 1, a left hoop; 2. a right hoop; 3. a left support boom; 4. a right support boom; 11. a wing plate; 22. fastening a bolt; 33. hooking; 331. a wire rope; 111. reinforcing rib plates; 5. pouring piles on trestles; 6. a cement pad; 7. a horizontal cross beam.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a hoop mold for trestle hanging mold construction, unlike the prior art, comprises a left hoop 1 and a right hoop 2 in the shape of semi-circular rings, a left supporting cantilever 3, a right supporting cantilever 4,

after the left and right hoops are closed, the corresponding wing plates 11 are connected through the fastening bolts 22, the space after the left and right hoops are closed is matched with the caliber of the trestle cast-in-place pile 5,

one end of the left and right supporting cantilevers is respectively connected with the outer wall of the middle part of the left and right supporting cantilevers, the left and right supporting cantilevers are symmetrically arranged along the radial direction of the semicircular rings of the left and right hoops, the supporting surfaces of the left and right supporting cantilevers are positioned on the same horizontal plane,

the combination position of pterygoid lamina 11 and the staple bolt body is equipped with deep floor 111, and deep floor 111 is provided with and does benefit to and strengthens pterygoid lamina 11 and hoop body cohesion, provides the structure assurance for improving left and right staple bolt to the power of holding tightly of landing stage bored concrete pile 5, and then increases the frictional force of landing stage bored concrete pile face to the staple bolt mould.

The left and right supporting cantilevers are made of I-shaped steel, the type of the I-shaped steel is 45B, the standardized I-shaped steel is used, the processing and manufacturing of the hoop die are facilitated, the reliable strength is provided, and the cost is reduced.

The upper portions of the outer walls of the left anchor ear and the right anchor ear are respectively provided with two hooks 33, the hooks 33 are made of steel bars with the diameter not smaller than 10mm, the hooks 33 are arranged at the same height and are symmetrically arranged at the two sides of the left supporting cantilever and the right supporting cantilever respectively, the four hooks 33 are uniformly distributed along the circumferential direction after the left anchor ear and the right anchor ear are closed, when the anchor ear mold is arranged, the hooks are convenient to install, a steel wire rope 331 is inserted into the hooks 33 to hoist, the length of the steel wire rope 331 is adjusted after the anchor ear mold is fixed, the steel wire rope 331 is sleeved and hung at the top end of the trestle cast-in-place pile 5, the bearing capacity of the anchor ear mold is further improved by utilizing.

The wall thickness of the left and right hoop bodies is 14mm, the axial height is 500mm, and the selection of the hoop body with a proper size is beneficial to ensuring the load resistance of the hoop die and the feasibility of processing and manufacturing.

The thickness of the wing plate 11 is 20mm, and the load resistance of the left and right hoops after combination can be ensured by selecting the proper thickness of the wing plate.

Referring to fig. 2 and 3, when the hoop mold is used, the hoop mold is hung to a proper position at the upper end of the trestle cast-in-place pile 5 through the steel wire rope 331 on the hook 33, the left and right hoop fixed and clamped trestle cast-in-place piles 5 are fixed by the fastening bolt 22, the length of the steel wire rope 331 is adjusted, the middle section of the steel wire rope 331 is sleeved and hung at the top end of the trestle cast-in-place pile 5 without a gap, cement pads 6 are placed on the left and right supporting cantilevers, and the horizontal cross beam 7 for erecting the formwork support frame is placed on the cement pads. When the hoop die is required to be disassembled after construction, the horizontal cross beam 7 on the cement pad 6 is hung by using equipment, the cement pad 6 is knocked out, the space is vacated, the horizontal cross beam 7 is put down, and the horizontal cross beams 7 such as the template, the secondary beam and the main beam can be sequentially pulled out at the moment. The steel wire rope 331 is cut off, and the anchor ear mold can be recovered by loosening the fastening bolt 22.

Claims

1. A hoop mould for trestle hanging mould construction is characterized by comprising a left hoop and a right hoop which are in a semicircular shape, a left supporting cantilever and a right supporting cantilever,

after the left and right anchor ears are closed, the corresponding wing plates are connected by a connecting piece, the space after the left and right anchor ears are closed is matched with the caliber of the trestle cast-in-place pile,

one end of the left and right supporting cantilevers is respectively connected with the outer wall of the middle part of the left and right hoops, the left and right supporting cantilevers are symmetrically arranged along the radial direction of the semicircular rings of the left and right hoops, and the supporting surfaces of the left and right supporting cantilevers are positioned on the same horizontal plane.

2. The hoop mould for the hanging mould construction of the trestle according to claim 1, wherein a reinforcing rib plate is arranged at the joint of the wing plate and the hoop body.

3. The hoop mould for trestle hanging mould construction according to claim 1, wherein the left and right supporting cantilevers are I-steel.

4. The hoop mold for trestle hanging mold construction according to claim 1, wherein two hooks are respectively arranged on the upper parts of the outer walls of the left and right hoops, the hooks are respectively symmetrically arranged on two sides of the left and right supporting cantilevers at equal heights, and four hooks are uniformly distributed along the circumferential direction after the left and right hoops are closed.

5. The hoop mould for trestle hanging mould construction according to claim 4, wherein the hook is made of steel bars with the diameter not less than 10 mm.

6. The hoop mould for trestle hanging mould construction according to claim 1, wherein the connecting piece is a bolt.

7. The hoop mold for trestle hanging mold construction according to claim 1, wherein the axial height of the left and right hoops is 500-800 mm.

8. The hoop mold for trestle hanging mold construction according to claim 1, wherein the wall thickness of the left and right hoop bodies is 10-20 mm.

9. The hoop die for trestle hanging die construction according to claim 1, wherein the thickness of the wing plate is 10-20 mm.