CN218988617U - Vertical prefabricated box culvert overturning construction system - Google Patents

Abstract

The utility model discloses a vertical precast box culvert overturning construction system which comprises four lengthened round head hanging nails, duckbill hooks, a gantry hanging frame and a traversing trolley, wherein the four lengthened round head hanging nails are buried on a precast box culvert top plate according to the design positions and are bound and fixed with a precast box culvert reinforcement cage, the outer side ends of the lengthened round head hanging nails are connected with steel wire ropes through the duckbill hooks, the top ends of the steel wire ropes are hung on the hooks of the traversing trolley, the traversing trolley is arranged on the gantry hanging frame in a sliding mode, the gantry hanging frame is arranged above the precast box culvert in a crossing mode, and the extending direction of a cross beam at the top end of the gantry hanging frame is perpendicular to the plane where the precast box culvert top plate is located. The utility model has simple structure and convenient operation, and provides a simple and reliable lifting and turning system by organically combining the lengthened round head hanging nails, the duckbill hanging hooks, the gantry hanging frame and the transverse trolley, thereby effectively improving the construction efficiency of the prefabricated box culvert lifting and turning while reducing the construction cost.

Description

Vertical prefabricated box culvert overturning construction system

Technical Field

The utility model relates to the technical field of precast box culvert construction, in particular to a vertical precast box culvert overturning construction system.

Background

The prefabricated box culvert is divided into two prefabricated modes of horizontal type and vertical type, and when the prefabricated box culvert adopts the vertical type prefabricated mode, the top surface of the box culvert is upward after the prefabricated construction of the box culvert is completed. The surface of the prefabricated box culvert body is smooth and has no hanging points, and the surface of the culvert body cannot be damaged in the overturning process, so that the overturning construction difficulty of the prefabricated box culvert is high.

In the prior art, a pre-buried mode is adopted to set a hanging ring or a hanging rib on a culvert body as a hanging point for use, in order to ensure the pulling resistance of the hanging ring or the hanging rib, the hanging ring or the hanging rib is required to be welded and connected with a box culvert reinforcement cage, and because the hanging ring or the hanging rib has limited burial depth, the hanging ring or the hanging rib is directly matched with a lifting and overturning mode of a steel wire rope to easily cause the cracking of the culvert body due to the oblique traction of the steel wire rope, so that the hanging ring or the hanging rib is required to be matched with a special turning lifting tool for use during lifting and overturning, the operation of the special turning lifting tool is relatively complicated, the construction difficulty is high, and the operation requirement on constructors is high, so that the construction efficiency is reduced to a certain extent; in addition, as the hanging rings or hanging bars are required to be cut when the top of the box culvert is subjected to waterproof treatment, the subsequent secondary cutting construction can further reduce the construction efficiency and bring about the increase of labor cost.

Disclosure of Invention

The utility model aims to provide a vertical prefabricated box culvert overturning construction system to solve the technical problems in the background technology.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

the utility model provides a vertical prefabricated box culvert upset construction system, includes extension button head hanging nail, duckbill lifting hook, gantry crane and sideslip dolly, extension button head hanging nail is equipped with four, and four extension button head hanging nails are buried underground on prefabricated box culvert roof according to the design position and are fixed with prefabricated box culvert steel reinforcement cage ligature, and the outside end of extension button head hanging nail is connected with wire rope through the duckbill lifting hook, the wire rope top is hung and is established on the lifting hook of sideslip dolly, and sideslip dolly slides and set up on gantry crane, gantry crane strides to establish in prefabricated box culvert top, and the extending direction of gantry crane top crossbeam is perpendicular with the plane that prefabricated box culvert roof is located.

Preferably, in order to avoid pit collision damage of the prefabricated box culvert in the turning process, the prefabricated box culvert is placed in a sand pit, and a circle of protective fence is arranged on the periphery of the sand pit.

Preferably, in order to further increase the burying depth of the lengthened round head hanging nails, four lengthened round head hanging nails are correspondingly arranged at four corners of the top plate of the prefabricated box culvert, and the lengthened round head hanging nails are arranged at the thickened corner areas of the top plate and the side plates of the prefabricated box culvert.

Preferably, prefabricated box culvert roof department that the extension button set up the position is provided with the arc recess of indent, and extension button outside end is located the arc recess, and extension button outside terminal surface does not surpass the notch of arc recess, and the setting of arc recess both can provide the space of placing for the duckbill lifting hook, can increase again to a certain extent with the area of contact of duckbill lifting hook, avoids the stress to concentrate excessively, prevents to contain the body fracture, simultaneously, can also guarantee that extension button outside end does not stretch out prefabricated box culvert top surface, avoids the secondary cutting procedure.

Preferably, the cross beam at the top end of the gantry crane is provided with two parallel cross beams, the traversing trolley is spanned between the two cross beams and is in sliding fit with the two cross beams, the lifting hook at the bottom of the traversing trolley is suspended below the trolley body through a steel wire rope, and the steel wire rope between the traversing trolley and the lifting hook thereof is suspended in a gap between the two cross beams.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has simple structure and convenient operation, provides a simple and reliable lifting turnover system through the organic combination of the lengthened round head hanging nail, the duckbill hanging hook, the gantry hanging frame and the transverse trolley, reduces the construction cost, effectively improves the construction efficiency of the prefabricated box culvert lifting turnover, further ensures the tensile pulling capacity of the lengthened round head hanging nail through the optimization and improvement of the conventional embedded position and the addition of the arc-shaped groove, avoids the cracking of the prefabricated box culvert body, and does not need the subsequent secondary cutting procedure, thereby achieving the purposes of reducing the cost, improving the quality and enhancing the efficiency.

Drawings

The foregoing and/or other aspects and advantages of the present utility model will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative only and not limiting of the utility model, wherein:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a preformed box culvert of the utility model;

FIG. 3 is a schematic view of the duckbill hook of the present utility model;

FIG. 4 is a schematic view of the structure of the utility model when the elongated round head hanging nail is embedded;

FIG. 5 is a schematic view of a disassembled structure of an embedded part of an elongated round head hanging nail according to the utility model in a side view;

fig. 6 is a schematic view of a disassembled structure of the other side of the embedded part of the elongated round head hanging nail according to the present utility model.

Reference numerals: 1-prefabricated box culvert, 2-lengthened round head hanging nails, 3-rubber bowl covers, 4-drawknot bolts, 5-slurry baffles, 6-templates, 7-duckbill hooks, 8-steel wire ropes, 9-gantry hangers, 10-traversing trolleys, 11-sand pits and 12-protective fences.

Detailed Description

Hereinafter, an embodiment of a vertical prefabricated box culvert overturning construction system of the present utility model will be described with reference to the accompanying drawings. The examples described herein are specific embodiments of the present utility model, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the utility model to the embodiments and scope of the utility model. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification of the present application, including those adopting any obvious substitutions and modifications to the embodiments described herein.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "top", "bottom", "upper", "lower", "inner", "outer", "transverse", "longitudinal", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The drawings in the present specification are schematic views, which assist in explaining the concept of the present utility model, and schematically show the shapes of the respective parts and their interrelationships. Note that, in order to clearly show the structures of the components of the embodiments of the present utility model, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.

The principles and features of the present utility model are described below with reference to the drawings, the illustrated embodiments are provided for illustration only and are not intended to limit the scope of the present utility model. The preferred embodiment of the present utility model is described in further detail below in conjunction with fig. 1-6:

as shown in fig. 1-2, the vertical prefabricated box culvert overturning construction system comprises four lengthened round head hanging nails 2, duckbill hooks 7, a gantry hanging frame 9 and a traversing trolley 10, wherein the lengthened round head hanging nails 2 are correspondingly arranged at four corners of a top plate of the prefabricated box culvert 1 and are bound and fixed with a reinforcement cage of the prefabricated box culvert 1, the lengthened round head hanging nails 2 are respectively arranged at thickened corner areas of the top plate and side plates of the prefabricated box culvert 1, concave arc-shaped grooves are formed in the top plate of the prefabricated box culvert 1 at the positions where the lengthened round head hanging nails 2 are arranged, the outer side ends of the lengthened round head hanging nails 2 are positioned in the arc-shaped grooves, the outer side ends of the lengthened round head hanging nails 2 do not exceed the notch of the arc-shaped grooves, the outer side ends of the lengthened round head hanging nails 2 are connected with steel wire ropes 8 through the duckbill hooks 7, the hook heads of the duckbill hooks 7 are connected with the lengthened round head hanging nails 2 in the arc-shaped grooves, the top ends of the steel wire ropes 8 are hung on hooks of the traversing trolley 10, the traversing trolley 10 is arranged on the gantry hanging frame 9 in a sliding manner, and the outer side ends of the gantry hanging hooks 9 are arranged above the top plate of the prefabricated box hanging frame 1 and extend in the vertical direction of the top plate of the prefabricated box hanging frame 1;

in order to prevent the gantry hanger 9 from blocking the lifting hook below the traversing trolley 10, the cross beam at the top end of the gantry hanger 9 is provided with two parallel cross beams, the traversing trolley 10 is spanned between the two cross beams and is in sliding fit with the two cross beams, the lifting hook at the bottom of the traversing trolley 10 is suspended below a trolley body through a steel wire rope 8, and the steel wire rope 8 between the traversing trolley 10 and the lifting hook thereof is suspended in a gap between the two cross beams;

in order to prevent the prefabricated box culvert 1 from being damaged by collision, the prefabricated box culvert 1 is placed in the sand pit 11, the overturning operation is completed in the sand pit 11, and a circle of protective fence 12 is arranged on the periphery of the sand pit 11.

As shown in fig. 4-6, reservation of the arc-shaped groove is realized through a rubber bowl cover 3, when the lengthened round head hanging nail 2 is pre-buried, firstly, the rod body at the inner side of the lengthened round head hanging nail 2 is bound and fixed with a prefabricated box culvert 1 reinforcement cage at a designed position through binding wires, then, the rubber bowl cover 3 is arranged at the outer side end of the lengthened round head hanging nail 3, the cover body at the outer convex side of the rubber bowl cover 3 is provided with an assembly seam for installing the lengthened round head hanging nail 2, the bowl opening of the cover is provided with a concave baffle plate, the inner side of the baffle plate is integrally provided with a mud baffle plate 5, the bowl opening of the rubber bowl cover 3 is sealed by the mud baffle plate 5, the middle part of the mud baffle plate 5 is provided with a bolt penetrating hole for installing a tie bolt 4, and the two sides of the bolt penetrating holes are correspondingly provided with detaching holes, during installation, the assembly seam of the cover body part is outwards opened and sleeved at the outer side end of the lengthened round head hanging nail 2, one side of a nut of the tie bolt 4 is optimally arranged as a top support plate, the top support plate abuts against the outer side end face of the lengthened round head hanging nail 2, the end face of the mud baffle plate 5 is matched with the two tie bolts 4, and the two tie bolts are removed from the two tie bolts 3 in sequence, and the two tie bolts are removed from the two tie bolts 4 are sequentially, and the two tie bolts are tightly used for detaching the two tie bolts 4, and the two tie bolts are sequentially used for the two tie bolts are tightly and tightly pulled together, and the tie bolts are removed.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (5)

1. A vertical prefabricated box culvert upset construction system, its characterized in that: including extension button head hanging nail (2), duckbill lifting hook (7), gantry crane (9) and sideslip dolly (10), extension button head hanging nail (2) are equipped with four, and four extension button head hanging nails (2) are buried underground on prefabricated box culvert (1) roof according to the design position and are fixed with prefabricated box culvert (1) steel reinforcement cage ligature, and the outside end of extension button head hanging nail (2) is connected with wire rope (8) through duckbill lifting hook (7), wire rope (8) top is hung and is established on the lifting hook of sideslip dolly (10), and sideslip dolly (10) slip sets up on gantry crane (9), gantry crane (9) stride to establish in prefabricated box culvert (1) top, and the extending direction of gantry crane (9) top crossbeam is perpendicular with prefabricated box culvert (1) roof place plane.

2. The vertical prefabricated box culvert overturning construction system as claimed in claim 1, wherein: the prefabricated box culvert (1) is placed in a sand pit (11), and a circle of protective fence (12) is arranged on the periphery of the sand pit (11).

3. The vertical prefabricated box culvert overturning construction system as claimed in claim 1, wherein: four lengthened round head hanging nails (2) are correspondingly arranged at four corners of the top plate of the prefabricated box culvert (1), and the lengthened round head hanging nails (2) are arranged in the thickened corner areas of the top plate and the side plates of the prefabricated box culvert (1).

4. The vertical prefabricated box culvert overturning construction system as claimed in claim 1, wherein: the prefabricated box culvert (1) roof department that extension button head hung nail (2) set up the position is provided with the arc recess of indent, and extension button head hung nail (2) outside end is located the arc recess, and extension button head hung nail (2) outside terminal surface does not surpass the notch of arc recess.

5. The vertical prefabricated box culvert overturning construction system as claimed in claim 1, wherein: the cross beam at the top end of the gantry hanging frame (9) is provided with two parallel cross beams, the transverse moving trolley (10) is arranged between the two cross beams in a crossing way and is in sliding fit with the two cross beams, the lifting hook at the bottom of the transverse moving trolley (10) is suspended below a trolley body through a steel wire rope (8), and the steel wire rope (8) between the transverse moving trolley (10) and the lifting hook thereof is suspended in a gap between the two cross beams.

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