Assembly type tunnel special-shaped component large-size reinforcement cage installation construction platform

Abstract

The utility model belongs to the technical field of auxiliary instruments for building construction, and particularly relates to an assembly type tunnel special-shaped component large-size reinforcement cage installation construction platform which comprises a bottom support main body and a reinforcement cage positioning piece arranged on the bottom support main body, and the bottom support main body is arranged in the length direction of a prefabricated tunnel. The reinforcement cage positioning piece comprises stand column sets and arc-shaped supporting blocks fixed to the surfaces of the stand column sets, each stand column set comprises a plurality of stand columns arranged at intervals along a straight line, and the two stand column sets and the two arc-shaped supporting blocks are symmetrically arranged along the vertical plane in the length direction of the bottom support body; the reinforcement cage positioning piece further comprises a plurality of first transverse rods horizontally arranged between every two adjacent stand column sets, second transverse rods corresponding to the first transverse rods are arranged above the first transverse rods at equal intervals, and the two ends of each second transverse rod are horizontally arranged on the surfaces of every two adjacent stand columns in a penetrating mode respectively. The problem that a steel bar installation construction platform is lacked in the manufacturing process of an existing fabricated tunnel can be effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of auxiliary instrument for building construction, and specifically relates to an installation construction platform for large-volume steel reinforcement cages of assembled tunnel special-shaped components. BACKGROUND

[0002] As the main assembled component of the assembled tunnel, the prefabricated component is a strong barrier of the tunnel and bears the functions of keeping the structure stable, resisting earth pressure, water pressure and external load. It is also the permanent lining structure of the assembled tunnel, and its quality is directly related to the overall quality and safety of the tunnel and influences the waterproof performance and durability of the tunnel. However, the existing assembled tunnel is less applied, and the structure is mostly special-shaped and large in volume. There is no special steel reinforcement installation construction platform, which causes the steel reinforcement installation to be troublesome and low in construction efficiency and has great limitations. Therefore, it is necessary to provide an installation construction platform for large-volume steel reinforcement cages of assembled tunnel special-shaped components to improve the construction efficiency and construction quality during steel reinforcement binding and reduce the burden of construction personnel and labor cost. SUMMARY

[0003] Therefore, the utility model provides an installation construction platform for large-volume steel reinforcement cages of assembled tunnel special-shaped components to solve the problem that the manufacturing process of the existing assembled tunnel lacks a steel reinforcement installation construction platform.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0005] An installation construction platform for large-volume steel reinforcement cages of assembled tunnel special-shaped components, comprising a bottom support main body installed horizontally on the ground and a steel reinforcement cage positioning piece arranged on the bottom support main body, characterized in that: the bottom support main body is arranged along the length direction of the prefabricated tunnel, and the length of the bottom support main body is greater than the length of the prefabricated tunnel; the steel reinforcement cage positioning piece comprises a column group vertically arranged on the upper surface of the bottom support main body and arranged along the length direction thereof and an arc-shaped support block fixed to the surface of the column group, wherein the column group comprises a plurality of columns arranged at intervals along a straight line, the arc of the arc-shaped support block corresponds to the arc of the prefabricated tunnel, the arc-shaped support block is vertically arranged and fixed to the surface of each column, and the two ends of the arc-shaped support block are close to the two ends of the bottom support main body and face the ground; the column group and the arc-shaped support block are provided with two pieces and are symmetrically arranged along the vertical axis of the length direction of the bottom support main body; the steel reinforcement cage positioning piece further comprises a plurality of first horizontal rods arranged horizontally between adjacent two column groups, wherein the two ends of each first horizontal rod are fixed to the surfaces of adjacent two columns respectively, each first horizontal rod is arranged on and fixedly connected to the upper surface of the arc-shaped support block, a second horizontal rod corresponding to each first horizontal rod is arranged at equal distances above the first horizontal rod, the two ends of each second horizontal rod are horizontally arranged in the surfaces of adjacent two columns respectively, and the second horizontal rod is detachably connected to the column.

[0006] Furthermore, there are two of the bottom support body and the steel cage positioning pieces, and the two bottom support bodies and the steel cage positioning pieces are arranged in a horizontally spaced array in the horizontal plane, and multiple first platforms are fixed between the two steel cage positioning pieces, each of the first platforms is arranged horizontally, and each of the second platforms is arranged in a stepped manner along the length direction of the bottom support body, and the horizontal height of the first platforms arranged from the two ends of the bottom support body toward the middle direction gradually increases, and each of the first platforms is fixedly connected to the adjacent columns.

[0007] Furthermore, the side surfaces of the two steel cage positioning members that are away from each other are fixedly connected to multiple horizontally arranged second platforms, wherein each second platform is arranged in a stepped manner along the length direction of the bottom support body, and the horizontal height of the second platforms arranged from the two ends of the bottom support body toward the middle direction gradually increases, the lower surface of each second platform is fixed with a support rod set on the ground, and the upper surfaces of multiple second platforms are commonly installed with guardrails.

[0008] Furthermore, main rib positioning pieces are fixed to the peripheral surface of the first crossbar that is spaced apart along the length direction of the arc-shaped support block. The main rib positioning pieces are vertically arranged and provided in plurality, and the plurality of main rib positioning pieces are evenly spaced along the length direction of the first crossbar.

[0009] Furthermore, each of the bottom support bodies is provided with diagonal bracing pieces at both ends in the length direction, each of the diagonal bracing pieces is fixedly connected to an adjacent column, and the diagonal bracing pieces are tilted in a vertical plane and matched with both ends of the prefabricated tunnel.

[0010] The beneficial effects of the present invention are:

[0011] 1. The utility model sets up the main reinforcement needed for making the prefabricated tunnel above the ground by arranging components such as a bottom support body, a reinforcement cage positioning piece, a column group, and an arc-shaped support block. While conforming to the shape of the prefabricated tunnel, it can effectively fix the reinforcement for making the prefabricated tunnel. In addition, by arranging multiple first platforms and second platforms, it is convenient for construction workers to move and tie stirrups at different positions, effectively solving the problem of inconvenience in construction workers installing and fixing the main reinforcement and tying the reinforcement, and effectively improving construction efficiency.

[0012] Other advantages, objectives, and features of the present invention will be described in the following description and will be apparent to those skilled in the art to some extent, or they may be taught by those skilled in the art from the practice of the present invention. The objectives and other advantages of the present invention may be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to make the purpose, technical scheme and beneficial effects of the utility model more clear, the utility model provides the following drawings for description.

[0014] Figure 1 It is steel reinforcement cage positioning piece structure schematic view of the utility model;

[0015] Figure 2 It is steel reinforcement cage positioning piece side view of the utility model;

[0016] Figure 3 It is steel reinforcement cage positioning piece plan view of the utility model;

[0017] Figure 4 It is steel reinforcement cage positioning piece and prefabricated tunnel steel reinforcement cage connection schematic view of the utility model;

[0018] Figure 5 It is Figure 4 It is enlarged schematic view of A place in the middle;

[0019] Figure 6 It is steel reinforcement cage positioning piece and prefabricated tunnel steel reinforcement cage connection side view of the utility model;

[0020] Figure 7 It is prefabricated tunnel finished product schematic view of the utility model.

[0021] Markings in the drawings are as follows:

[0022] 1 bottom support main body, 2 steel reinforcement cage positioning piece, 201 stand, 202 arc-shaped support block, 203 first horizontal rod, 204 second horizontal rod, 3 first platform, 4 second platform, 5 main reinforcement positioning piece, 6 inclined bracing piece, 7 prefabricated tunnel steel reinforcement cage, 701 main reinforcement, 702 stirrup. Specific implementation

[0023] As Figures 1-7 Indicated,

[0024] An assembly type tunnel special-shaped component mass reinforcement cage installation construction platform, including bottom support main body 1 installed horizontally on the ground and steel reinforcement cage positioning piece 2 arranged on bottom support main body 1, bottom support main body 1 is rectangular structure in horizontal plane, and is welded by multiple vertical rectangular cross section steel structures, bottom support main body 1 is arranged along the length direction of prefabricated tunnel, and the length of bottom support main body 1 is greater than the length of prefabricated tunnel, steel reinforcement cage positioning piece 2 includes stand 201 group welded and fixed vertically on the upper surface of bottom support main body 1 and arranged along the length direction thereof and arc-shaped support block 202 fixed on the surface of stand 201 group, wherein, stand 201 group includes multiple stands 201 arranged along the length direction of bottom support at intervals, and the vertical height of each stand 201 is not same (can combine Figure 2The arc of the arc-shaped support block 202 corresponds to the arc of the prefabricated tunnel, the arc-shaped support block 202 is vertically arranged and welded and fixed with the side surface of each stand column 201, and the two ends of the arc-shaped support block 202 are close to the two ends of the bottom support body 1 and face the ground, the stand column 201 group and the arc-shaped support block 202 are both provided with two pieces and are symmetrically arranged along the vertical axis of the length direction of the bottom support body 1, the steel cage positioning piece 2 further comprises a plurality of first cross bars 203 horizontally arranged between adjacent two stand columns 201 groups, and the first cross bar 203 is arranged in the width direction of the bottom support body 1, wherein the two ends of each first cross bar 203 are welded and fixed on the surfaces of adjacent two stand columns 201 respectively, and each first cross bar 203 is arranged on the upper surface of the arc-shaped support block 202 and welded and fixed thereon, the steel cage positioning piece 2 further comprises a second cross bar 204 arranged at equal distances and intervals above the first cross bar 203, and the two ends of each second cross bar 204 are horizontally arranged on the surfaces of adjacent two stand columns 201 respectively, and the second cross bar 204 is detachably connected with the stand column 201;

[0025] The bottom support body 1 and the steel cage positioning piece 2 are both provided with two pieces, the two pieces of the bottom support body 1 and the steel cage positioning piece 2 are horizontally and interval arrayed in the horizontal plane, a plurality of first platforms 3 are fixed between the two steel cage positioning pieces 2, each first platform 3 is horizontally arranged, each second platform 4 is arranged in a stepped manner along the length direction of the bottom support body 1, and the horizontal height of the first platform 3 arranged from the two ends of the bottom support body 1 to the middle direction gradually increases, and each first platform 3 is welded and fixed with the adjacent stand column 201; the side surfaces of the two steel cage positioning pieces 2 away from each other are both fixedly connected with a plurality of horizontally arranged second platforms 4, wherein each second platform 4 is arranged in a stepped manner along the length direction of the bottom support body 1, and the horizontal height of the second platform 4 arranged from the two ends of the bottom support body 1 to the middle direction gradually increases, and the lower surface of each second platform 4 is welded and fixed with a support rod arranged on the ground, and the upper surfaces of the plurality of second platforms 4 are jointly provided with a protective rail;

[0026] The circumferential surface of the first cross bar 203 arranged at intervals along the length direction of the arc-shaped support block 202 is welded and fixed with a main reinforcement positioning piece 5, the main reinforcement positioning piece 5 is vertically arranged and provided with a plurality of positioning columns in a cylindrical shape, and the plurality of main reinforcement positioning pieces 5 are uniformly and interval arranged along the length direction of the first cross bar 203; the two ends of each bottom support body 1 in the length direction are both provided with a diagonal bracing piece 6, each diagonal bracing piece 6 is welded and fixed with the surface of the adjacent stand column 201, and the diagonal bracing piece 6 is inclined arranged in the vertical plane and matched with the two ends of the prefabricated tunnel steel cage 7.

[0027] When the prefabricated tunnel reinforcement cage 7 needs to be bound, the second cross bar 204 on each stand 201 is first removed to facilitate the lowering of the prefabricated tunnel reinforcement cage 7. After disassembly, the bent main reinforcement 701 is hoisted to the upper surface of the first cross bar 203, and the main reinforcement 701 is vertically arranged between the adjacent two main reinforcement positioning members 5 (the adjacent two main reinforcement positioning members 5 jointly fix the main reinforcement 701), and the two ends of the main reinforcement 701 abut against the surface of the corresponding inclined brace member 6, and the main reinforcement 701 is fixed with the inclined brace member 6 through the wire, so that the main reinforcement 701 remains vertically arranged. Then the above steps are repeated to sequentially hoist multiple main reinforcements 701 to be spaced apart along the axial direction of the first cross bar 203 (the main reinforcement positioning member 5 is used to separate the adjacent two main reinforcements 701), and then the main reinforcement 701 and the inclined brace member 6 at both ends are sequentially bound and fixed by wire; after fixing, the second cross bar 204 is sequentially arranged on the surface of the corresponding stand 201 (the second cross bar 204 is located on the inner side of the main reinforcement 701, which can play a supporting and fixing role during subsequent binding), and multiple stirrups 702 are arranged along the length direction of the first cross bar 203, and the multiple stirrups 702 are uniformly and spaced apart along the length direction of the bottom support body 1. Each stirrup 702 is bound and fixed with multiple main reinforcements 701 in the same vertical plane, and forms a prefabricated tunnel reinforcement cage 7. The finally bound prefabricated tunnel reinforcement cage 7 is shown in the figure;

[0028] The two bottom support bodies 1 and the reinforcement cage positioning member 2 can simultaneously manufacture two prefabricated tunnel reinforcement cages 7, effectively improving the construction efficiency. The first platform 3 and the second platform 4 are arranged on the side surface of the reinforcement cage positioning member 2, so that the construction personnel can manufacture and bind the prefabricated tunnel reinforcement cage 7 at an appropriate height, and the guardrails effectively ensure the work safety of the construction personnel. Figure 7 The finished product schematic diagram of the prefabricated tunnel reinforcement cage 7 after pouring and forming.

[0029] Finally, it should be pointed out that the above preferred embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in form and details without departing from the scope defined by the claims of the present application.

Claims

1. A prefabricated tunnel special-shaped component large-volume steel cage installation construction platform, comprising a bottom support body (1) horizontally installed on the ground and a steel cage positioning member (2) arranged on the bottom support body (1), characterized in that: The bottom support body (1) is arranged along the length direction of the prefabricated tunnel, and the length of the bottom support body (1) is greater than the length of the prefabricated tunnel. The steel cage positioning member (2) comprises a column (201) group vertically arranged on the upper surface of the bottom support body (1) and arranged along the length direction thereof, and an arc-shaped support block (202) fixed on the surface of the column (201) group, wherein the column (201) group comprises a plurality of columns (201) arranged at intervals along a straight line, the curvature of the arc-shaped support block (202) corresponds to the curvature of the prefabricated tunnel, the arc-shaped support block (202) is vertically arranged and fixed to the surface of each column (201), and the two ends of the arc-shaped support block (202) are close to the two ends of the bottom support body (1) and face the ground, the column (201) group and the arc-shaped support block (202) are arranged on the upper surface of the bottom support body (1) and along the length direction thereof. 2) is provided with two pieces and is symmetrically arranged along the vertical axis of the length direction of the bottom support body (1), and the steel cage positioning member (2) also includes a plurality of first cross bars (203) horizontally arranged between two adjacent columns (201), wherein the two ends of each first cross bar (203) are respectively fixed on the surface of the two adjacent columns (201), and each first cross bar (203) is arranged on the upper surface of the arc-shaped support block (202) and fixedly connected thereto, and a corresponding second cross bar (204) is provided at an equal distance above each first cross bar (203), and the two ends of each second cross bar (204) are respectively horizontally passed through the surface of the two adjacent columns (201), and the second cross bar (204) and the column (201) are detachably connected.

2. The assembly-type tunnel special-shaped component large-volume steel cage installation construction platform according to claim 1 is characterized by: The bottom support body (1) and the steel cage positioning member (2) are each provided with two members, and the two bottom support bodies (1) and the steel cage positioning members are arranged in a horizontally spaced array in a horizontal plane, and a plurality of first platforms (3) are fixed between the two steel cage positioning members (2), each of the first platforms (3) is arranged horizontally, and each of the second platforms (4) is arranged in a stepped manner along the length direction of the bottom support body (1), and the horizontal height of the first platforms (3) arranged from the two ends of the bottom support body (1) toward the middle gradually increases, and each of the first platforms (3) is fixedly connected to an adjacent column (201).

3. The assembly type tunnel special-shaped component large-volume steel cage installation construction platform according to claim 2 is characterized by: The side surfaces of the two steel cage positioning members (2) that are away from each other are fixedly connected with a plurality of horizontally arranged second platforms (4), wherein each of the second platforms (4) is arranged in a stepped manner along the length direction of the bottom support body (1), and the horizontal height of the second platforms (4) arranged from both ends of the bottom support body (1) toward the middle gradually increases, the lower surface of each second platform (4) is fixed with a support rod arranged on the ground, and the upper surfaces of the plurality of second platforms (4) are commonly installed with a guardrail.

4. The assembly-type tunnel special-shaped component large-volume steel cage installation construction platform according to claim 3 is characterized by: Main reinforcement positioning members (5) are fixed to the peripheral side surface of the first crossbar (203) arranged at intervals along the length direction of the arc-shaped support block (202), and the main reinforcement positioning members (5) are arranged vertically and are provided in plurality, and the plurality of main reinforcement positioning members (5) are evenly spaced along the length direction of the first crossbar (203).

5. The assembly-type tunnel special-shaped component large-volume steel cage installation construction platform according to claim 4 is characterized by: Each of the bottom support bodies (1) is provided with diagonal support members (6) at both ends in the length direction, each of the diagonal support members (6) is fixedly connected to an adjacent column (201), and the diagonal support members (6) are arranged obliquely in a vertical plane and matched with both ends of the prefabricated tunnel.

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