CN222455715U - Pile plate type roadbed precast slab installation supporting device - Google Patents

Abstract

The utility model discloses a pile plate type roadbed precast slab installation supporting device, which relates to the technical field of pile plate type soilless roadbed precast slab erection, in particular to a pile plate type roadbed precast slab installation supporting device, comprising precast pipe piles, wherein steel anchor clamps are arranged above the precast pipe piles, the two sides of the steel anchor ear are provided with supporting brackets, a sand cylinder is arranged above the supporting brackets, a steel cross beam is arranged above the sand cylinder, a longitudinal drawknot pipe is arranged between the steel cross beams, a longitudinal drawknot rod penetrates between the steel cross beam and the longitudinal drawknot pipe, and a roadbed precast slab is paved above the steel cross beam. Through the setting of a sand section of thick bamboo, make this stake board formula road bed prefabricated plate installation strutting arrangement possess the effect that height of being convenient for and then installation effectiveness are high, through the cooperation setting of a sand section of thick bamboo, vertical drawknot pipe and vertical drawknot pole, make this stake board formula road bed prefabricated plate installation strutting arrangement possess can easily dismantle the pressure of prefabricated plate and then be convenient for unscrew the screw and improve the effect of dismantling efficiency.

Description

Pile plate type roadbed precast slab installation supporting device

Technical Field

The utility model relates to the technical field of pile-plate type soilless roadbed precast slab erection, in particular to a pile-plate type roadbed precast slab installation supporting device.

Background

At present, highway engineering construction adopts the construction technology of filling soil and rolling roadbeds, bottleneck and restriction factors faced by the technology are more outstanding, such as soil, resources and other problems, the construction requirement of highway construction is higher, the requirement and quality of rolling roadbeds are higher, besides permanent occupation of the existing soil, a large amount of borrow soil is required for high-fill roadbeds, great waste is caused to resources, in order to overcome the defects of the prior art, the construction technology of pile-slab type soilless roadbed highway is innovatively applied, a large amount of earthwork usage amount is reduced, meanwhile, permanent occupation of the highway roadbeds is also reduced, precast slab erection construction is a pile-slab type roadbed construction key procedure, in order to improve precast slab erection construction efficiency and construction quality, auxiliary installation of a supporting device is required, wherein the auxiliary support is a recyclable steel structure, but the auxiliary support belongs to high-altitude installation and has very large quality, so that the height adjustment is inconvenient, the supporting device receives very high pressure after the precast slab is installed, and the disassembling efficiency is low due to the fact that the disassembling screw is inconvenient.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a pile plate type roadbed precast slab installation supporting device, which solves the problems in the background art.

The pile plate type roadbed precast slab mounting and supporting device comprises a precast pipe pile, wherein steel hoops are arranged above the precast pipe pile, supporting brackets are arranged on two sides of each steel hoop, a sand cylinder is arranged above each supporting bracket, a steel cross beam is arranged above each sand cylinder, a longitudinal tie pipe is arranged between the steel cross beams, a longitudinal tie rod penetrates between the steel cross beams and the longitudinal tie pipe, and roadbed precast slabs are paved above the steel cross beams.

Preferably, a layer of geotextile is added between the prefabricated pipe pile and the steel anchor ear, and the geotextile can increase the friction force between the prefabricated pipe pile and the steel anchor ear and also protect the prefabricated pipe pile from being damaged by the steel anchor ear.

Preferably, the steel anchor ear is formed by welding Q235 steel plates, the inner diameter of the steel anchor ear is the same as the outer diameter of the prefabricated pipe pile, and the steel anchor ear is connected by a plurality of high-strength bolts and applies pretightening force.

Preferably, the steel cross beam is I-steel, the steel cross beam has a certain length and can span across a plurality of prefabricated pipe piles, and the height of the upper surface of the steel cross beam is accurately adjusted through the sand cylinder.

Preferably, the longitudinal tie pipes and the longitudinal tie rods are symmetrically arranged at the front side and the rear side of each prefabricated pipe pile, the two ends of each longitudinal tie rod lock the steel cross beams and the longitudinal tie pipes through hexagonal nuts, and at the moment, the distance between the two steel cross beams is identical to the outer diameter size of the prefabricated pipe pile.

Preferably, the middle position below the roadbed precast slab is thickened, the width dimension of the thickened portion is larger than the outer diameter dimension of the precast tubular pile, and the precast tubular pile is inserted into the thickened portion and connected by concrete pouring.

The utility model provides a pile plate type roadbed precast slab installation supporting device, which has the following beneficial effects:

1. This stake board-like road bed prefabricated plate installation strutting arrangement, through the setting of a sand section of thick bamboo, make this stake board-like road bed prefabricated plate installation strutting arrangement possess the effect of being convenient for height-adjusting and then installation effectiveness is high, regard as supporting part through a sand section of thick bamboo with adjustable height, need not carefully adjust the high installation effectiveness that makes steel staple bolt when consequently the steel staple bolt is installed and improve, because the high convenient adjustment of a sand section of thick bamboo is thus the high of steel crossbeam installation also is convenient for adjust.

2. This stake board-like road bed prefabricated plate installation strutting arrangement, through the cooperation setting of sand section of thick bamboo, vertical drawknot pipe and vertical drawknot pole, make this stake board-like road bed prefabricated plate installation strutting arrangement possess can easily dismantle the pressure of prefabricated plate and then be convenient for unscrew the screw and improve the effect of dismantling efficiency, install the steel crossbeam at the periphery of prefabricated tubular pile but not fixed dead through vertical drawknot pipe and vertical drawknot pole, the bottom of steel crossbeam is supported through the sand section of thick bamboo, only need emit the inside sand section of thick bamboo of sand section of thick bamboo at this moment highly will reduce for the pressure of prefabricated plate can not be used on this strutting arrangement any more and then convenient to detach improves efficiency.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic view of a longitudinal section of the present utility model;

FIG. 3 is a schematic diagram of a top view of the steel staple of the present utility model;

FIG. 4 is a schematic view of the front view of the steel staple of the present utility model;

fig. 5 is a schematic view of a partial cross-sectional view of the present utility model.

In the figure, 1, prefabricating pipe piles, 2, steel anchor clamps, 201, supporting brackets, 3, sand cylinders, 4, steel cross beams, 5, longitudinal drawknot pipes, 6, longitudinal drawknot rods and 7, roadbed prefabricating plates.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 5, the present utility model provides a technical solution: the pile plate type roadbed precast slab installation supporting device comprises a precast pipe pile 1, wherein the precast pipe pile 1 is transported to the site after being manufactured in a factory, a steel hoop 2 is arranged above the precast pipe pile 1, a layer of geotextile is added between the precast pipe pile 1 and the steel hoop 2, the geotextile can increase friction force between the precast pipe pile 1 and the steel hoop 2 and also protect the precast pipe pile 1 from being damaged by the steel hoop 2, the steel hoop 2 is formed by welding Q235 steel plates, the inner diameter size of the steel hoop 2 is the same as the outer diameter size of the precast pipe pile 1, the steel hoop 2 is connected by a plurality of high-strength bolts and applies pretightening force, supporting corbels 201 are arranged on two sides of the steel hoop 2, a sand cylinder 3 is arranged above the supporting corbels 201, a steel cross beam 4 is arranged above the sand cylinder 3, the steel cross beam 4 is I-shaped steel, the steel cross beam 4 has a certain length and can span a plurality of precast pipe piles 1, the height of the upper surface of the steel cross beam 4 is accurately regulated through the sand cylinder 3, a longitudinal tie rod 6 is arranged between the steel cross beams 4, the longitudinal tie rod 6 penetrates through the steel cross beam 4 and the longitudinal tie rod 5, the longitudinal tie rod 5 and the longitudinal tie rod 6 are symmetrically arranged on the front side and the rear side of each precast tubular pile 1, the two ends of the longitudinal tie rod 6 lock the steel cross beam 4 and the longitudinal tie rod 5 through hexagonal nuts, at the moment, the distance between the two steel cross beams 4 is the same as the outer diameter size of the precast tubular piles 1, a roadbed precast slab 7 is paved above the steel cross beam 4, the roadbed precast slab 7 is transported to the site after the factory manufacture is completed, the middle position below the roadbed precast slab 7 is thickened, the width size of the thickened part is larger than the outer diameter size of the precast tubular piles 1, the precast tubular piles 1 are inserted into the thickened parts and are connected by concrete pouring, after the roadbed precast slabs 7 are firmly fixed, the steel anchor ear 2 and the steel cross beam 4 can be easily taken down by detaching the sand cylinder 3.

When in use, firstly, construction lofting is carried out before construction, the pile top elevation of the precast tubular pile 1 is measured, then, in the back calculation supporting device according to the pile plate type roadbed design elevation, the elevation of the steel anchor ear 2 is marked conveniently, the steel anchor ear 2 is formed by adopting Q235 steel plates with the thickness of 12mm for assembly welding, the inner diameter size of the anchor ear is the same as the outer diameter size of the precast tubular pile 1, 10M 22 high-strength bolts with the 10.9 grade are adopted for connection and the pre-tightening force is applied, the installation height of the steel anchor ear 2 does not need to be accurately calculated, thus the installation efficiency can be improved, one third of sand is filled in the default sand cylinder 3 when the height is calculated, the position of the precast tubular pile 1 where the steel anchor ear 2 is installed is wrapped with geotextile in advance, the geotextile is used for increasing the friction force between the steel anchor ear 2 and the precast tubular pile 1, meanwhile, the precast tubular pile 1 is also protected from being damaged by the steel anchor ear 2, after all the steel hoops 2 are installed, a sand cylinder 3 is placed on a supporting bracket 201 of the steel hoops, the height of the sand cylinder 3 can be adjusted according to the amount of sand filled in the sand cylinder, the height of a supporting steel beam is accurately adjusted by adding and subtracting the amount of sand in the sand cylinder 3 so as to meet the installation precision of a roadbed precast slab 7, a steel beam 4 is further lifted by a crane and is supported on the sand cylinder 3, a longitudinal tie pipe 5 and a longitudinal tie rod 6 are further installed between the two steel beams 4, so that the steel beams 4 are fixed on two sides of the precast tubular pile 1, wherein the longitudinal tie pipe 5 and the longitudinal tie rod 6 are symmetrically installed on the front side and the rear side of each precast tubular pile 1, the steel beam 4 and the longitudinal tie pipe 5 are locked by hexagonal nuts at two ends of the longitudinal tie rod 6, at the moment, the distance between the two steel beams 4 is identical with the outer diameter of the precast tubular pile 1, the steel beams 4 are only locked around the precast tubular pile 1 at the moment, the roadbed precast slab 7 is further hoisted on the precast tubular pile 1 and is supported and balanced through the steel cross beam 4, the roadbed precast slab 7 is fixedly connected with the precast tubular pile 1 through concrete pouring, the supporting device can be detached after the roadbed precast slab 7 is fixedly and firmly fixed with the precast tubular pile 1, at the moment, the sand in the sand cylinder 3 can be discharged out of the sand cylinder 3 only by opening a sand discharging port below the sand cylinder 3 to automatically descend the height, and the steel anchor ear 2 and the steel cross beam 4 do not bear the gravity of the roadbed precast slab 7 any more after the height of the sand cylinder 3 descends, so that bolts for connecting the steel anchor ear 2 and the steel cross beam 4 can be detached very easily.

To sum up, this stake board-like road bed prefabricated plate 7 installation strutting arrangement is through highly adjustable sand section of thick bamboo 3 as supporting component, therefore the installation effectiveness that does not need careful height-adjusting to make steel staple bolt 2 when steel staple bolt 2 installs improves, because the high height of being convenient for of sand section of thick bamboo 3 is adjusted consequently the high regulation of steel crossbeam 4 installation also is convenient for, install steel crossbeam 4 at the periphery of prefabricated tubular pile 1 but not fixed dead through vertical drawknot pipe 5 and vertical drawknot pole 6, the bottom of steel crossbeam 4 is supported through sand section of thick bamboo 3, only need emit the inside sand section of thick bamboo 3 at this moment highly will reduce for the pressure of prefabricated plate can not be used on this strutting arrangement any more and convenient for dismantle raise the efficiency.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. A pile plate type roadbed precast slab installation supporting device comprises precast pipe piles (1) and is characterized in that steel hoops (2) are installed above the precast pipe piles (1), supporting brackets (201) are arranged on two sides of each steel hoop (2), a sand cylinder (3) is arranged above each supporting bracket (201), a steel cross beam (4) is installed above each sand cylinder (3), a longitudinal tie pipe (5) is arranged between each steel cross beam (4), longitudinal tie rods (6) penetrate between each steel cross beam (4) and each longitudinal tie pipe (5), and roadbed precast slabs (7) are paved above each steel cross beam (4).

2. The pile plate type roadbed precast slab installation supporting device according to claim 1 is characterized in that a layer of geotextile is added between the precast pipe pile (1) and the steel anchor ear (2), and the geotextile can increase friction force between the precast pipe pile (1) and the steel anchor ear (2) and also protect the precast pipe pile (1) from being damaged by the steel anchor ear (2).

3. The pile plate type roadbed precast slab installation supporting device according to claim 1, wherein the steel anchor ear (2) is formed by welding Q235 steel plates, the inner diameter size of the steel anchor ear (2) is the same as the outer diameter size of the precast tubular pile (1), and the steel anchor ear (2) is connected by adopting a plurality of high-strength bolts and applies pretightening force.

4. The pile-slab type roadbed precast slab installation supporting device according to claim 1, wherein the steel cross beam (4) is I-steel, the steel cross beam (4) has a certain length and can span across a plurality of precast tubular piles (1), and the height of the upper surface of the steel cross beam (4) is accurately adjusted through the sand cylinder (3).

5. The pile-slab roadbed precast slab installation supporting device according to claim 1, wherein the longitudinal tie pipes (5) and the longitudinal tie rods (6) are symmetrically arranged on the front side and the rear side of each precast tubular pile (1), two ends of each longitudinal tie rod (6) lock the steel cross beams (4) and the longitudinal tie pipes (5) through hexagonal nuts, and at the moment, the distance between the two steel cross beams (4) is identical to the outer diameter size of the precast tubular piles (1).

6. The pile-slab type roadbed precast slab installation supporting device according to claim 1, wherein the middle position below the roadbed precast slab (7) is thickened, the width dimension of the thickened portion is larger than the outer diameter dimension of the precast pipe pile (1), and the precast pipe pile (1) is inserted into the thickened portion and connected by concrete casting.