CN212200089U - Variable section cast-in-place beam support - Google Patents

Abstract

The utility model provides a cast-in-place roof beam support in variable cross section, including the support body, and locate die block and outer side mould on the support body, the support body includes along bridge longitudinal bridge to many groups's pole group of arranging, and many pole settings have been arranged to the direction along the cross bridge to every group pole group, and the many pole settings that lie in die block region and same cross bridge to have erect the distributive girder, lie in that outer side mould region and same longitudinal bridge to have erect the distributive girder to many pole settings, and die block and outside mould voltage-sharing are located many on the distributive girder, the cross sectional area of cast-in-place roof beam standard segment section is the benchmark, and the interval between the many pole settings along longitudinal bridge to is the A value, and the interval between the longitudinal bridge is followed for the regional many pole settings of cast-in-place roof beam standard segment sectional area increase is the B value, and. The utility model discloses a in, this cast-in-place roof beam support of variable cross section when guaranteeing cast-in-place roof beam festival section support intensity, simplifies the structure of support, can reduce the degree of difficulty when this cast-in-place roof beam support of variable cross section sets up and the man-hour that consumes.

Description

Variable section cast-in-place beam support

technical field

The utility model relates to the technical field of bridge construction, in particular to a variable-section cast-in-place beam support.

Background technique

At present, in the construction of cast-in-place beams, the foundation is generally reinforced first, and then brackets are erected on the foundation, and the formwork and steel bars are placed on the brackets before concrete pouring construction.

The structure of the existing support and its erection are relatively complex. For the cast-in-place beam with variable cross-section, the existing support structure can be used for construction, although the construction requirements can be met, but it will undoubtedly increase the difficulty of the support erection. Therefore, in order to improve the construction progress, it is particularly necessary to design a simplified support suitable for cast-in-place beams with variable cross-sections.

Utility model content

The purpose of the utility model is to provide a variable-section cast-in-place beam support with a simple structure.

In order to achieve the above object, the utility model provides the following technical solutions:

A variable-section cast-in-place beam support includes a support body, a bottom mold and an outer mold set on the support body, the support body includes a plurality of groups of vertical rod groups arranged along the longitudinal direction of the bridge, each group of the The vertical rod group is arranged with a plurality of vertical rods in the direction of the transverse bridge direction, the distribution beams are erected on the plurality of vertical rods located in the bottom mold area and in the same transverse bridge direction, and the multiple vertical rods located in the outer mold area and in the same longitudinal bridge direction are erected There is the distribution beam, the bottom mold and the outer mold are both pressed and arranged on a plurality of the distribution beams, the cross-sectional area of the standard section of the cast-in-place beam is the benchmark, and the distance between the plurality of vertical bars along the longitudinal bridge direction is The spacing is the value of A, and the spacing between the plurality of vertical rods in the area of increased cross-sectional area of the standard segment of the cast-in-place beam along the longitudinal bridge direction is the value of B, B<A.

Preferably, the A value is 90 cm, and the B value is 60 cm.

Preferably, the distance between the plurality of vertical rods along the transverse bridge direction is a C value, and the C value is 30-90 cm.

Preferably, the spacing along the transverse bridge direction of the plurality of vertical rods supported on the outer mold is 90 cm, and the spacing along the transverse bridge direction of the multiple vertical rods supported on the bottom mold is 30-60 cm.

Preferably, the bottom mold and the outer mold are both composed of square wood and bamboo plywood, and a plurality of the square woods are erected on the upper parts of the plurality of distribution beams along the longitudinal direction of the distribution beams and are arranged orthogonally to the distribution beams, so The bamboo plywood is laid on a plurality of the square wood.

Preferably, the bracket body further includes inclined support rods, a plurality of the support rods are provided along the longitudinal bridge direction, and correspond one-to-one with the multiple vertical rods in the same longitudinal bridge direction, and one end of the support rod is fixed to the On the corresponding vertical rod, the other end is vertically supported on the position of the outer mold corresponding to the cast-in-place beam web.

Preferably, the support body further comprises multiple layers of horizontal support nets formed by intersecting horizontal horizontal rods and longitudinal horizontal rods. The distance between the adjacent horizontal support nets is the E value, D<E.

Preferably, the D value is half of the E value.

Preferably, the E value is 120 cm, and the D value is 60 cm.

Preferably, the bracket body further comprises a plurality of horizontal scissor braces arranged horizontally, and a plurality of vertical scissor braces arranged on a vertical plane.

Preferably, the support body further comprises a stay rod, the lower end of the stay rod is fixed to the lower part of the vertical rod in one side area of the support body along the longitudinal bridge direction, and the upper end of the stay stay rod is along the transverse bridge direction and the longitudinal bridge It is inclined in the direction to the other side of the bracket body along the longitudinal bridge direction and is fixed to the upper part of the outermost vertical pole on the other side.

Compared with the prior art, the scheme of the present utility model has the following advantages:

In the variable-section cast-in-situ beam support of the present invention, the cross-sectional area of the standard section of the cast-in-place beam is the benchmark, and the distance between the plurality of vertical bars along the longitudinal bridge direction is the value A, which is relative to the cast-in-place beam. The spacing between multiple vertical rods in the area of increased cross-sectional area of the standard segment along the longitudinal bridge direction is the value B, and B<A, to meet the support of the cast-in-place beam segment when the cross-sectional area of the cast-in-place beam segment increases The variable-section cast-in-situ beam support simplifies the structure of the support while ensuring the support strength of the cast-in-place beam segment, which can reduce the difficulty and time-consuming construction of the variable-section cast-in-situ beam support.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments taken in conjunction with the accompanying drawings, wherein:

1 is an elevational view of the overall structure of an embodiment of the present invention;

2 is a plan view of the overall structure of an embodiment of the present invention;

Fig. 3 is A-A sectional view in Fig. 2;

FIG. 4 is a B-B sectional view in FIG. 2 .

Reference signs: 1. Bottom die; 2. Outer die; 3. Upright pole; 4. Distribution beam; 5. Support pole; 6. Horizontal support net; 7. Horizontal sweeping pole; 8. Vertical sweeping pole; 9. Inclined tie rod; 100, cast-in-place beam; 110, wing plate; 120, web plate.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are only used to explain the present invention, but not to be construed as a limitation of the present invention.

It can be understood by those skilled in the art that unless specifically stated otherwise, the word "comprising" used in the description of the present invention refers to the presence of the stated features, integers, steps, operations, parts/components and/or components, but does not exclude the presence of Or add one or more other features, integers, steps, operations, parts/components, components and/or groups thereof. It should be understood that when we say a part/component is "connected" to another part/component, it may be directly connected to the other part/component, or there may also be intermediate parts/components. As used herein, the term "and/or" includes all or any element and all combination of one or more of the associated listed items.

As shown in Figures 1 to 4, the present utility model relates to a cast-in-place beam support with variable cross-section, comprising a support body, a bottom mold 1 and an outer mold 2 arranged on the support body, and the support body includes a frame along the bridge Multiple sets of vertical rod groups arranged in the longitudinal bridge direction, each group of the vertical rod groups is arranged with a plurality of vertical rods 3 along the horizontal bridge direction, and the multiple vertical rods 3 located in the area of the bottom mold 1 and in the same horizontal bridge direction are erected with The distribution beam 4 is located in the area of the outer mold 2 and the plurality of vertical rods 3 in the same longitudinal bridge direction are provided with the distribution beam 4, and the bottom mold 1 and the outer mold 2 are correspondingly pressed on a plurality of the distribution beams 4. , the cross-sectional area of the standard segment of the cast-in-place beam 100 is the benchmark, and the spacing between the plurality of vertical rods 3 along the longitudinal bridge direction is the value A, which is relative to the increase of the cross-sectional area of the standard segment of the cast-in-place beam 100. The distance between the plurality of vertical rods 3 along the longitudinal bridge direction is the B value, and the B value is less than the A value.

In the present invention, the cross-sectional area of the standard section of the cast-in-place beam 100 is the benchmark, and the distance between the plurality of vertical rods 3 along the longitudinal bridge direction is the value A, which is relative to the standard section section of the cast-in-place beam 100 The distance between the plurality of vertical rods 3 in the area of increased area along the longitudinal bridge direction is the value of B, and B<A, so as to meet the support strength of the cast-in-place beam 100 segment when the cross-sectional area of the cast-in-place beam 100 is increased. The variable cross-section cast-in-situ beam support simplifies the structure of the support while ensuring the support strength of the cast-in-place beam segment, which can reduce the difficulty and time-consuming man-hours of erecting the variable-section cast-in-situ beam support.

Preferably, in this embodiment, the A value is 90 cm, and the B value is 60 cm, that is, the distance between the plurality of vertical rods 3 supported on the cast-in-place beam 100 segment of the standard segment along the longitudinal bridge direction is 90cm, and the spacing along the longitudinal bridge direction of the plurality of vertical rods 3 supported on the section of the cast-in-place beam 100 with increased cross-sectional area is 60cm, so as to provide sufficient support strength for the section of the cast-in-place beam 100 with increased cross-sectional area .

The distance between the plurality of vertical rods 3 of the variable-section cast-in-place beam bracket along the transverse bridge direction is the C value, and the C value is 30-90 cm, and the support on the outer mold 2 corresponds to the cast-in-place beam 100. The wing plate 110 The distance between the plurality of vertical rods 3 in the area along the transverse bridge direction is 90 cm, and the distance between the plurality of vertical rods 3 supported on the bottom mold 1 along the transverse bridge direction is 30-60 cm. The distance along the transverse bridge direction of the plurality of vertical rods 3 supported on both sides of the bottom mold 1 along the longitudinal bridge direction is 30cm, and the distance between them and the plurality of vertical rods 3 in the transverse bridge direction is 30 cm. The spacing is 60cm.

Described bottom mould 1 and outer mould 2 are all made of square wood (not numbered in the figure, the same below) and bamboo plywood (not numbered in the figure, the same below), and a plurality of described square woods are erected on the longitudinal direction of the distribution beam 4. The upper part of a plurality of the distribution beams 4 is arranged orthogonally to the distribution beams 4 , and the bamboo plywood is laid on the plurality of the square wood.

The bracket body also includes inclined supporting rods 5, which are provided with a plurality of supporting rods 5 along the longitudinal bridge direction, and are in one-to-one correspondence with the plurality of vertical rods 3 in the same longitudinal bridge direction, and one end of the supporting rod 5 is fixed. On the corresponding vertical rod 3, the other end is vertically supported on the position of the outer mold 2 corresponding to the web 120 of the cast-in-place beam 100, and the outer mold 2 is supported by the support rod 5 corresponding to the web of the cast-in-place beam 100. plate 120 to ensure the stability of the outer mold 2 when the cast-in-place beam 100 is being poured.

The support body also includes a multi-layer horizontal support net 6 formed by intersecting horizontal horizontal rods (not numbered in the figure, the same below) and vertical horizontal rods (not numbered in the figure, the same below), and the horizontal horizontal rods are the same as the A plurality of vertical rods 3 in the transverse bridge direction are fixedly connected, the longitudinal horizontal rods are fixedly connected with a plurality of vertical rods 3 in the same longitudinal bridge direction, and the distance between the adjacent horizontal support nets 6 near the top of the vertical rod 3 is the D value , the distance between the horizontal support nets 6 adjacent to the bottom of the vertical pole 3 is the value of E, and D<E.

Preferably, in this embodiment, the D value is half of the E value, the E value is 120 cm, and the D value is 60 cm.

The top of the bracket body is used to support the cast-in-place beam 100 segment, and then by encrypting the spacing between the adjacent horizontal bracket nets 6 near the top of the vertical pole 3, to strengthen the overall stability of the upper part of the plurality of vertical poles 3. to ensure the stability of the bracket body.

Further, longitudinal sweeping rods 8 are connected to each other at the lower parts of the plurality of vertical poles 3 in the same longitudinal bridge direction, and horizontal sweeping rods 7 are connected to the lower parts of the plurality of vertical poles 3 in the same transverse bridge direction. The rod 7 is 30cm away from the ground. The vertical sweeping rod 8 and the horizontal sweeping rod 7 are arranged to strengthen the overall stability of the plurality of vertical poles 3 at the bottom, thereby ensuring the stability of the bracket body.

Further, the bracket body also includes a plurality of horizontally arranged horizontal scissors (not shown in the figure, the same below), and a plurality of vertical scissors (not shown in the figure, the same below) arranged on the vertical plane. same), thereby improving the overall stability of the bracket body.

Still further, the support body also includes a plurality of inclined stay rods 9 arranged along the longitudinal bridge direction, and the lower ends of the inclined stay rods 9 are fixed to the lower part of the vertical rod 3 in the one side area of the support body along the longitudinal bridge direction. , the upper end of the cable-stayed rod 9 is inclined to the other side of the bracket body along the longitudinal bridge direction along the transverse bridge direction and the longitudinal bridge direction and is fixed to the upper part of the outermost vertical rod 3 on the other side to further strengthen the support body. stability.

In this embodiment, the top of the vertical rod 3 is provided with a jack, and the distribution beam 4 is erected on the jack (not numbered in the figure, the same below) to strengthen the distribution beam 4 and the roof For the connection of the support, the bottom of the vertical rod 3 is provided with a bottom support (not numbered in the figure, the same below), which strengthens the connection between the vertical rod 3 and the ground.

To sum up, the variable cross-section cast-in-place beam support of the present invention mainly encrypts the vertical rods 3 on the cast-in-place beam 100 segment with an increased cross-sectional area, so as to provide sufficient supporting force for the cast-in-place beam 100 segment. The structure of the variable-section cast-in-situ beam support is simple, which is beneficial to reduce the difficulty of erection by construction personnel and the time-consuming man-hours, improve the construction efficiency, and the stability of the variable-section cast-in-place support is better.

The above are only partial embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, some improvements and modifications can be made without departing from the principles of the present invention. These improvements and Retouching should also be regarded as the protection scope of the present invention.

Claims (11)

1. A cast-in-place beam support with variable cross-section is characterized in that: it comprises a support body, and a bottom mold and an outer mold that are arranged on the support body, and the support body includes a plurality of groups of vertical rods arranged along the longitudinal direction of the bridge. Each group of the vertical rod groups is arranged with a plurality of vertical rods along the transverse bridge direction, and the distribution beams are set up on the plurality of vertical rods located in the bottom mold area and in the same transverse bridge direction, located in the outer mold area and in the same longitudinal bridge direction. The distribution beams are erected on a plurality of vertical rods, the bottom mold and the outer mold are both pressed and arranged on the distribution beams, and the cross-sectional area of the standard section of the cast-in-place beam is the benchmark, along the longitudinal bridge direction. The spacing between the multiple vertical rods is the A value, and the spacing between the multiple vertical rods along the longitudinal bridge direction relative to the area where the cross-sectional area of the cast-in-place beam standard segment increases is the B value, B<A. 2 . The variable-section cast-in-place beam support according to claim 1 , wherein the A value is 90 cm, and the B value is 60 cm. 3 . 3 . The variable-section cast-in-place beam support according to claim 1 , wherein the distance between the plurality of vertical bars along the transverse bridge direction is a C value, and the C value is 30-90 cm. 4 . 4. The variable-section cast-in-place beam support according to claim 3, characterized in that: the distance between the plurality of vertical rods supported on the outer mold along the transverse bridge direction is 90 cm, and the plurality of vertical rods supported on the bottom mold are along the The spacing in the transverse bridge direction is 30 to 60 cm. 5. The variable-section cast-in-place beam support according to claim 1 is characterized in that: the bottom mold and the outer mold are both composed of square wood and bamboo plywood, and a plurality of the square woods are erected on a plurality of square woods along the longitudinal direction of the distribution beam. The upper part of the distribution beam is arranged orthogonally to the distribution beam, and the bamboo plywood is laid on a plurality of the square wood. 6. The variable-section cast-in-place beam support according to claim 5, wherein the support body further comprises support rods arranged obliquely, and the support rods are provided with a plurality of support rods along the longitudinal bridge direction, and the support rods are in the same longitudinal direction. The plurality of vertical rods in the bridge direction are in one-to-one correspondence, one end of the support rod is fixed on the corresponding vertical rod, and the other end is vertically supported on the position of the outer mold corresponding to the cast-in-place beam web. 7. The variable-section cast-in-place beam support according to claim 1, wherein the support body further comprises a multi-layer horizontal support net formed by intersecting horizontal horizontal rods and longitudinal horizontal rods, adjacent to the top of the vertical rods. The spacing of the horizontal support nets is the D value, and the spacing of the adjacent horizontal support nets near the bottom of the vertical pole is the E value, D<E. 8 . The variable-section cast-in-place beam support according to claim 7 , wherein the D value is half of the E value. 9 . 9 . The variable-section cast-in-place beam support according to claim 7 , wherein the E value is 120 cm, and the D value is 60 cm. 10 . 10 . The variable-section cast-in-place beam support according to claim 1 , wherein the support body further comprises a plurality of horizontal scissor braces arranged horizontally, and a plurality of vertical scissor braces arranged on a vertical plane. 11 . 11. The variable-section cast-in-place beam support according to claim 1, wherein the support body further comprises a diagonal stay rod, and the lower end of the diagonal stay rod is fixed in one side area of the support body along the longitudinal bridge direction The upper end of the stay rod is inclined to the other side of the bracket body along the longitudinal bridge direction along the transverse bridge direction and the longitudinal bridge direction, and is fixed to the upper part of the outermost vertical rod on the other side.

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