Hanging basket type support of overhead line system foundation formwork

Abstract

The utility model discloses a hanging basket type support of an overhead line system foundation formwork, which comprises a plurality of upper cross beams, a plurality of lower cross beams, an upper longitudinal beam, a front lower longitudinal beam, a rear lower longitudinal beam, a plurality of front hanging rods and a plurality of rear hanging rods, the lower cross beams are arranged over the upper cross beams and correspond to the upper cross beams in a one-to-one mode, the upper longitudinal beams are erected on the top faces of the upper cross beams, the top faces of the front lower longitudinal beams and the top faces of the rear lower longitudinal beams make close contact with the bottom faces of the lower cross beams, and the upper longitudinal beams and the rear lower longitudinal beams are connected to the upper cross beams and the lower cross beams through the rear hanging rods respectively. And the front lower longitudinal beam is hung on the upper cross beam through a plurality of front hanging rods. The support is suitable for independent pouring construction operation of a contact net foundation, the support is in a hanging basket type, hanging basket track finish rolling deformed steel bars are used for connection and installation, installation is convenient, and construction efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge rail transit construction technical field, concretely is a hanging basket type support of catenary foundation form. BACKGROUND

[0002] At present, the catenary foundation of the continuous beam of the passenger and freight single line railway adopts the cantilever structure, and the catenary foundation extends from the two sides of the beam body; when the continuous beam is constructed by the hanging basket cantilever pouring method, the beam body and the catenary foundation are integrally poured, that is, the catenary foundation form is connected to the beam body form, the beam body and the catenary foundation are poured together after the hanging basket is moved to the position, since the hanging basket will interfere with the catenary foundation during the movement, the catenary foundation will block the movement of the hanging basket, so the catenary foundation form needs to be removed from the beam body form when the hanging basket is moved, and the catenary foundation form is reconnected to the beam body form after the hanging basket is moved to the position, which is troublesome and low in construction efficiency. CONTENT OF THE UTILITY MODEL

[0003] The utility model solves the technical problem to provide a hanging basket type support of catenary foundation form, which is suitable for the separate pouring construction operation of the catenary foundation, that is, the pouring of the catenary foundation is carried out after the hanging basket cantilever pouring is completed and the beam body is finally cured, the support adopts the hanging basket type, and the fine rolled threaded steel of the hanging basket track is used for connection and installation, so that the installation is convenient, and the construction efficiency is high.

[0004] The technical scheme of the utility model is as follows:

[0005] A hanging basket type support of catenary foundation form comprises a plurality of upper cross beams, a plurality of lower cross beams, an upper longitudinal beam, a front lower longitudinal beam, a rear lower longitudinal beam, a plurality of front hangers and a plurality of rear hangers, the upper longitudinal beam, the front lower longitudinal beam and the rear lower longitudinal beam extend along the length direction of the bridge, and the plurality of upper cross beams and the plurality of lower cross beams extend along the width direction of the bridge.

[0006] The inner end portions of the plurality of upper cross beams are supported on the beam surface of the bridge beam body, and the inner end portions of the plurality of upper cross beams are pressed on the beam surface above the through holes of the hanging basket track finished rolled threaded steel, and the inner end portions of the plurality of upper cross beams are anchored to the beam surface of the beam body through the hanging basket track finished rolled threaded steel respectively; the plurality of lower cross beams are arranged above the plurality of upper cross beams and correspond one by one, and the inner end portions of the plurality of lower cross beams are located below the flange plate of the bridge beam body; the upper longitudinal beam is arranged on the top surface of the plurality of upper cross beams, the rear lower longitudinal beam is arranged below the upper longitudinal beam and overlaps the upper longitudinal beam, the top surface of the rear lower longitudinal beam is in close contact with the bottom surface of the plurality of lower cross beams, and the front lower longitudinal beam is arranged adjacent to the outer end of the lower cross beam and the top surface thereof is also in close contact with the bottom surface of the plurality of lower cross beams; each rear suspender vertically passes through an upper cross beam, a flange plate of the beam body, a corresponding lower cross beam and the rear lower longitudinal beam from top to bottom, and the two end portions are locked and connected; and the catenary foundation formwork is hoisted and positioned between the plurality of upper cross beams and the plurality of lower cross beams.

[0007] The top surface of the plurality of lower cross beams is arranged with a construction platform.

[0008] The outer ends of the plurality of upper cross beams and the plurality of lower cross beams are connected with vertically arranged construction guardrails.

[0009] The beam surface below the plurality of upper cross beams is supported with a cushion beam for adjusting the elevation.

[0010] The upper cross beam, the lower cross beam, the rear suspender and the front suspender are two, the distance between the two lower cross beams is less than the width of the catenary foundation formwork, so that the catenary foundation formwork is supported and positioned on the two lower cross beams.

[0011] The utility model discloses the advantages are as follows:

[0012] The utility model discloses utilize the hanging basket track finished rolled threaded steel to cantilever the upper cross beam, utilize the upper cross beam of cantilevering as the stress point, hoist the front lower longitudinal beam below, and utilize the pre -buried hole on the beam body flange plate and install the upper longitudinal beam in the upper cross beam top -end, and the stress of the upper cross beam outer end front lifting point is the vertical downward tension, and the upper cross beam is received the reverse pressure from the upper longitudinal beam in the position of the cross contact with the upper longitudinal beam, i. e. the inner end of the upper cross beam bears the pressure of the upper longitudinal beam, and the outer end bears the downward tension of the front lower longitudinal beam, thereby neutralizing part of the stress of the upper cross beam and greatly reducing the stress of the rear anchor point, reducing the pullout resistance of the hanging basket track finished rolled threaded steel, making the overall structure more safe, improving the safety factor, and greatly improving the stability. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure schematic diagram that the utility model connects on the beam body.

[0014] Reference signs: 1 - upper cross beam, 2 - lower cross beam, 3 - upper longitudinal beam, 4 - front lower longitudinal beam, 5 - rear lower longitudinal beam, 6 - two front hangers, 7 - two rear hangers, 8 - beam body, 9 - hanging basket track finished steel, 10 - construction platform, 11 - construction guardrail. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0016] See Figure 1 A hanging basket type support of catenary foundation template, comprising two upper cross beams 1, two lower cross beams 2, an upper longitudinal beam 3, a front lower longitudinal beam 4, a rear lower longitudinal beam 5, two front hangers 6 and two rear hangers 7, the upper longitudinal beam 3, the front lower longitudinal beam 5 and the rear lower longitudinal beam 5 extend along the length direction of the bridge, the two upper cross beams 1 and the two lower cross beams 2 extend along the width direction of the bridge;

[0017] The inner end portions of the two upper cross beams 1 are supported on the beam surface of the bridge beam body 8, and the inner end portions of the two upper cross beams 1 are pressed on the beam surface above the hanging basket track finished steel threaded hole, the inner end portions of the two upper cross beams 1 are anchored on the beam surface of the beam body 8 through the hanging basket track finished steel 9 respectively, and a cushion beam for adjusting the elevation can be provided below the two upper cross beams 1 on the beam surface of the beam body 8; the two lower cross beams 2 are arranged above the two upper cross beams 1 and correspond one by one, the inner end portions of the two lower cross beams 2 are located below the flange plate of the bridge beam body 8, and the distance between the two lower cross beams 2 is less than the width of the catenary foundation template, so that the catenary foundation template is supported and positioned on the two lower cross beams 2; the upper longitudinal beam 3 is arranged on the top surface of the two upper cross beams 1, the rear lower longitudinal beam 5 is arranged below the upper longitudinal beam 3 and overlaps with the upper longitudinal beam 3, the top surface of the rear lower longitudinal beam 5 is in close contact with the bottom surface of the two lower cross beams 2, and the front lower longitudinal beam 4 is arranged adjacent to the outer end of the lower cross beam 2 and its top surface is also in close contact with the bottom surface of the two lower cross beams 2; each rear hanger 7 vertically passes through an upper cross beam 1, a pre-buried hole on the flange plate of the beam body 8, a corresponding lower cross beam 2 and a rear lower longitudinal beam 5 from top to bottom, and is locked and connected at the two end portions; each front hanger 6 vertically passes through an upper cross beam 1, a corresponding lower cross beam 2 and a front lower longitudinal beam 4 from top to bottom, and is locked and connected at the two end portions;

[0018] The top surface of the two lower cross beams 2 is provided with a construction platform 10, and the outer ends of the two upper cross beams 1 and the two lower cross beams 2 are connected with a vertically arranged construction guardrail 11.

[0019] The contact network foundation steel bars and the beam body steel bars are an integral structure, after the beam body is poured and formed, the contact network foundation steel bars extend from both sides of the beam body 8, the contact network foundation formwork adopts an integral steel formwork, is directly hoisted and positioned between the two upper cross beams 1 and the two lower cross beams 2, and is installed on the periphery of the contact network foundation steel bars, and the installation is simple and fast.

[0020] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A catenary foundation template's cradle support, characterized by: The bridge comprises a plurality of upper cross beams, a plurality of lower cross beams, an upper longitudinal beam, a front lower longitudinal beam, a rear lower longitudinal beam, a plurality of front hangers and a plurality of rear hangers, the upper longitudinal beam, the front lower longitudinal beam and the rear lower longitudinal beam extend along the length direction of the bridge, and the plurality of upper cross beams and the plurality of lower cross beams extend along the width direction of the bridge. The inner end portions of the plurality of upper cross beams are supported on the beam surface of the bridge beam body, and the inner end portions of the plurality of upper cross beams are located directly above the through holes of the hanging basket track finished threaded steel, and the inner end portions of the plurality of upper cross beams are anchored to the beam surface of the beam body through the hanging basket track finished threaded steel; the plurality of lower cross beams are arranged directly above the plurality of upper cross beams and correspond one by one, and the inner end portions of the plurality of lower cross beams are located directly below the flange plate of the bridge beam body; the upper longitudinal beam is arranged on the top surface of the plurality of upper cross beams, the rear lower longitudinal beam is arranged directly below the upper longitudinal beam and overlaps the upper longitudinal beam, the top surface of the rear lower longitudinal beam is in close contact with the bottom surface of the plurality of lower cross beams, and the front lower longitudinal beam is arranged adjacent to the outer end of the lower cross beam and its top surface is also in close contact with the bottom surface of the plurality of lower cross beams; each rear hanger vertically passes through an upper cross beam, a flange plate of the beam body, a corresponding lower cross beam and a rear lower longitudinal beam from top to bottom, and is locked and connected at the two end portions; each front hanger vertically passes through an upper cross beam, a corresponding lower cross beam and a front lower longitudinal beam from top to bottom, and is locked and connected at the two end portions; and the catenary foundation formwork is hoisted and positioned between the plurality of upper cross beams and the plurality of lower cross beams.

2. A catenary foundation template hanging basket type support according to claim 1, characterized in that: The top surface of the plurality of lower cross beams is provided with a construction platform.

3. A catenary foundation template hanging basket type support according to claim 2, characterized in that: The outer ends of the plurality of upper cross beams and the plurality of lower cross beams are connected with vertically arranged construction guardrails.

4. A catenary foundation template hanging basket type support according to claim 1, characterized in that: A cushion beam for adjusting the elevation is arranged on the beam surface below the plurality of upper cross beams.

5. A catenary foundation template hanging basket type support according to claim 1, characterized in that: The upper cross beam, the lower cross beam, the rear hanger and the front hanger are two, the distance between the two lower cross beams is less than the width of the catenary foundation formwork, so that the catenary foundation formwork is supported and positioned on the two lower cross beams.

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