CN211571407U

CN211571407U - Pier rollover structure

Info

Publication number: CN211571407U
Application number: CN201921608415.1U
Authority: CN
Inventors: 罗龙聪; 于建; 唐豪
Original assignee: Sichuan East Spring Machinery Equipment Manufacturing Co ltd
Current assignee: Sichuan East Spring Machinery Equipment Manufacturing Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-09-25
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a pier rollover structure, which is arranged on a hollow pier and comprises a steel mould, a plurality of holding clamps and a plurality of section steel, wherein the steel mould comprises an outer mould arranged on the outer surface of the hollow pier and an inner mould arranged on the inner surface of the hollow pier, the surfaces of the outer mould and the inner mould are both provided with a plurality of longitudinal ribs, the section steel is arranged on the surfaces of the longitudinal ribs and is mutually vertical to the longitudinal ribs, and rib grooves are formed between two adjacent groups of longitudinal ribs; the surfaces of the outer die and the inner die are both provided with die clamping mechanisms; the mold clamping mechanism comprises a holding clamp, one end of the holding clamp is provided with a hook, the hook is hung on the section steel, and the tail end of the hook extends into the rib groove; the holding clamps on the outer mold and the holding clamps on the inner mold are connected through a plurality of pull rods, and two ends of the pull rods respectively penetrate through the outer mold and the inner mold. The utility model discloses a turn over mould structure easy dismounting, stable in structure, the atress is even everywhere in interior matrix for it is high to pour fashioned pier shaft roughness, and the manufacturability is good.

Description

Pier rollover structure

Technical Field

The utility model belongs to the technical field of the pier turns over the mould construction, concretely relates to pier turns over mould structure.

Background

Compared with a gravity solid pier, the thin-wall hollow pier can reduce the construction amount of the pier by 40 to 60 percent in general. The construction of the thin-wall hollow pier is complex, and steel is consumed greatly, so the thin-wall hollow pier is rarely adopted; the difficulties in the aspects of labor and material waste, poor quality, slow construction, high-altitude operation and the like are effectively overcome along with the gradual development of new processes such as a mechanical connection construction technology of a steel bar sleeve and rollover construction and the like until the 70 th century, so that the thin-wall hollow pier is widely applied to bridge construction.

The rollover construction is a construction process commonly used for high pier construction at present, the concrete joint of the pier manufactured by the construction method is easy to process, the construction speed is high, but the existing rollover construction tool is simple, a pull rod generally and directly penetrates through a bridge body, two ends of the pull rod are directly fixed on a steel die through nuts, the stress on the steel die is uneven, burrs at the joint of the pier are large, and meanwhile, the flatness of the pier body is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a rollover structure of pier.

In order to realize the purpose, the utility model discloses a technical scheme be:

a pier rollover structure is arranged on a hollow pier and comprises a steel die, a plurality of holding clamps and a plurality of section steel, wherein the steel die comprises an outer die and an inner die, the outer die is arranged on the outer surface of the hollow pier, the inner die is arranged on the inner surface of the hollow pier, a plurality of longitudinal ribs are arranged on the surfaces of the outer die and the inner die, the section steel is arranged on the surfaces of the longitudinal ribs and is perpendicular to the longitudinal ribs, and rib grooves are formed between two adjacent groups of longitudinal ribs; the surfaces of the outer die and the inner die are both provided with die clamping mechanisms;

the mold clamping mechanism comprises a holding clamp, one end of the holding clamp is provided with a hook, the hook is hung on the section steel, and the tail end of the hook extends into the rib groove; the holding clamps on the outer mold and the holding clamps on the inner mold are connected through a plurality of pull rods, and two ends of the pull rods respectively penetrate through the outer mold and the inner mold.

Furthermore, the outer threads are arranged at two ends of the pull rod, a pull rod hole is formed in the holding clamp, and the pull rod penetrates through the pull rod hole and is fixed through a nut.

Furthermore, the outer die is further provided with a support, the support is provided with an upper support rod and a lower support rod, the outer die is provided with a plurality of connecting pieces, and the upper support rod and the lower support rod are respectively arranged on the connecting pieces.

Furthermore, a gasket is arranged on the outer die and positioned between the clamp on the outer die and the outer die, a plurality of section steels are respectively arranged at two ends of the gasket, and the gasket is connected with the outer die through the section steel at one end; the hook on the holding clamp is hung on the section steel on the other side of the gasket.

Further, the section steel is any one of channel steel or I-steel.

Since the technical scheme is used, the beneficial effects of the utility model are that:

the utility model discloses a turn over mould structure easy dismounting, stable in structure, the atress is even everywhere in interior matrix for it is high to pour fashioned pier shaft roughness, and the manufacturability is good.

Drawings

Fig. 1 is a top view of the structure of the present invention;

FIG. 2 is a cross-sectional view taken along plane A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a first schematic view of the connection relationship between the clamp and the steel mold in FIG. 3;

FIG. 5 is a schematic view of the connection between the bracket and the outer mold;

FIG. 6 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 7 is an enlarged schematic view of section C of FIG. 6;

FIG. 8 is a second schematic view of the clamp and steel die connection of FIG. 3;

reference numerals: the steel-making device comprises a steel die 1, an outer die 1a, an inner die 1b, a longitudinal rib 1c, a pull rod 2, a clamp 3, a hook 3a, a pull rod hole 3b, a support 4, an upper support rod 4a, a lower support rod 4b, a section steel 5, a splicing piece 6 and a gasket 7.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

The first embodiment is as follows:

as shown in fig. 1-3, a pier rollover structure is installed on a hollow pier, and includes a steel mold 1, a plurality of clasps 3, and a plurality of section steels 5, where the steel mold 1 includes an outer mold 1a installed on an outer surface of the hollow pier and an inner mold 1b installed on an inner surface of the hollow pier, and in this embodiment, the section steels 5 may be selected according to actual installation needs on site, and any one of channel steels or i-steels may be selected.

As shown in fig. 4 and 8, fig. 8 shows a partial structure of the surface of the steel die 1, the surfaces of the external die 1a and the internal die 1b are both provided with a plurality of longitudinal ribs 1c, and the longitudinal ribs 1 are parallel to each other; the plurality of sections of steel 5 are all arranged on the surface of the longitudinal bar 1c and are perpendicular to the longitudinal bar 1c, namely a plurality of groups of sections of steel 5 and a plurality of groups of longitudinal bars 1c form a latticed frame structure on the surface of the steel mould 1; rib grooves are formed between two adjacent groups of longitudinal ribs 1 c; the surfaces of the external mold 1a and the internal mold 1b are both provided with mold clamping mechanisms:

fig. 4 shows a schematic structural diagram of a mold clamping mechanism, the mold clamping mechanism comprises an embracing clamp 3, one end of the embracing clamp 3 is provided with a hook 3a, see fig. 8, the hook 3a is hung on the section steel 5, and the tail end of the hook 3a extends into a rib groove.

As shown in fig. 3, the clasping clamps 3 on the outer mold 1a and the clasping clamps 3 on the inner mold 1b are connected through a plurality of pull rods 2, two ends of the pull rods 2 respectively penetrate through the outer mold 1a and the inner mold 1b, the two ends of the pull rods 2 are provided with external threads, namely, threaded rod structures, the clasping clamps 3 of the outer mold 1a and the inner mold 1b are respectively provided with pull rod holes 3b, two ends of the pull rods 2 penetrate through the outer mold 1a and the inner mold 1b and respectively extend out of the pull rod holes 3b on the clasping clamps 3 at two sides, nuts are arranged outside the pull rod holes 3b and lock two ends of the pull rods 2, so that the whole outer mold 1a and inner mold 1b are tensioned and fixed by the pull rods 2, the clasping clamps 3 arranged on the steel mold 1 fix two ends of a plurality of groups of pull rods 2, the force of the pull rods 2 is transmitted to the clasping clamps 3 and then transmitted to the surface of the, pour fashioned pier shaft atress everywhere even, the roughness is higher, embraces simultaneously and presss from both sides 3 and go up the couple 3a that sets up and conveniently embrace the dismouting of pressing from both sides 3, for example, can hang couple 3a on steel mould 1 earlier in actual installation, fix 2 both ends of pull rod again, convenient operation.

As shown in fig. 5, a support 4 is further arranged on the outer die 1a, an upper support rod 4a and a lower support rod 4b are mounted at the lower end of the support 4, a plurality of contact pieces 6 are mounted on the outer die 1a, and the upper support rod 4a and the lower support rod 4b are respectively mounted on the contact pieces 6; the support 4 is used for facilitating the operation of upper and lower piers of constructors when installing and dismantling the rollover structure, and can also be used as a lifting point when hoisting the external mold 2.

Example two:

as shown in fig. 6 and 7, for the situation that the outer contour of the pier has a certain inclination angle, in the actual installation process, the outer die 1a needs to be matched with the outer contour of the pier with the inclination angle, so that a gasket 7 is installed on the outer die 1a, the gasket 7 is located between the clamp 3 on the outer die 1a and the outer die 1a, the end faces of two sides of the gasket 7 are respectively installed with a plurality of section steels 5, here, the section steels 5 are in an i-steel structure, the gasket 7 is connected with the outer die 1a through the section steel 5 on one side end face, the end face profile of the section steel 5 in contact with the outer die 1a is matched with the inclination angle of the outer die 1a, for example, the inclination angle of the outer die 1a to the horizontal plane is β, then the inclination angle between the end face; the hook 3a on the clasping clamp 3 is hung on the section steel 5 on the other side of the gasket 7, the pull rod 2 sequentially penetrates through the gasket 7 and the outer mold 1a from outside to inside, and when the pull rod 2 applies a clamping force, the clamping force is horizontally transmitted to the surface of the outer mold 1a through the gasket 7 and the section steel 5, so that the pull rod 2 can still be horizontally arranged without being perpendicular to the inclined surface of the outer mold 1a when being arranged.

Claims

1. The utility model provides a pier turns over mould structure installs on hollow pier, its characterized in that: the steel die comprises a steel die (1), a plurality of holding clamps (3) and a plurality of section steels (5), wherein the steel die (1) comprises an outer die (1a) installed on the outer surface of the hollow pier and an inner die (1b) installed on the inner surface of the hollow pier, a plurality of longitudinal ribs (1c) are arranged on the surfaces of the outer die (1a) and the inner die (1b), the section steels (5) are installed on the surfaces of the longitudinal ribs (1c) and are perpendicular to the longitudinal ribs (1c), and rib grooves are formed between two adjacent groups of longitudinal ribs (1 c); the surfaces of the outer die (1a) and the inner die (1b) are provided with die clamping mechanisms;

the die clamping mechanism comprises an embracing clamp (3), one end of the embracing clamp (3) is provided with a hook (3a), the hook (3a) is hung on the section steel (5), and the tail end of the hook (3a) extends into the rib groove; the clasping clamp (3) on the outer mold (1a) is connected with the clasping clamp (3) on the inner mold (1b) through a plurality of pull rods (2), and two ends of the pull rods (2) respectively penetrate through the outer mold (1a) and the inner mold (1 b).

2. The pier rollover structure according to claim 1, wherein: the external screw thread is all established at pull rod (2) both ends, embraces and is equipped with pull rod hole (3b) on pressing from both sides (3), pull rod (2) both ends run through pull rod hole (3b) and are fixed through the nut.

3. The pier rollover structure according to claim 1, wherein: still be equipped with support (4) on external mold (1a), install on support (4) and go up branch (4a) and lower branch (4b), install a plurality of splicing (6) on external mold (1a), go up branch (4a) and lower branch (4b) and install respectively on splicing (6).

4. The pier rollover structure according to claim 1, wherein: the outer die (1a) is further provided with a gasket (7), the gasket (7) is located between the clamp (3) on the outer die (1a) and the outer die (1a), a plurality of section steels (5) are respectively installed at two ends of the gasket (7), the gasket (7) is connected with the outer die (1a) through the section steel (5) at one end, and the end surface profile of the section steel (5) in contact with the outer die (1a) is matched with the surface profile of the outer die (1 a); the hook (3a) on the clasping clamp (3) is hung on the section steel (5) on the other side of the gasket (7).

5. The pier rollover structure according to claim 1, wherein: the section steel (5) is any one of channel steel or I-steel.