CN119711354A - Internal mold of beam making machine and construction method - Google Patents

Internal mold of beam making machine and construction method Download PDF

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Publication number
CN119711354A
CN119711354A CN202510007664.9A CN202510007664A CN119711354A CN 119711354 A CN119711354 A CN 119711354A CN 202510007664 A CN202510007664 A CN 202510007664A CN 119711354 A CN119711354 A CN 119711354A
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China
Prior art keywords
inner mold
truss
internal mold
making machine
mold
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Pending
Application number
CN202510007664.9A
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Chinese (zh)
Inventor
吴昊
罗生宏
张书强
张亚锋
余绍宾
崔腾达
宋家满
杨腾添
张凯
肖飞知
汪本刚
郭万良
张斌
吴小雨
宋泽宇
陈世康
李坤
高勇欢
张英龙
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China Railway Construction Bridge Engineering Bureau Group Jingjiang Heavy Industry Co ltd
China Railway Construction Bridge Engineering Bureau Group Co Ltd
Original Assignee
China Railway Construction Bridge Engineering Bureau Group Jingjiang Heavy Industry Co ltd
China Railway Construction Bridge Engineering Bureau Group Co Ltd
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Application filed by China Railway Construction Bridge Engineering Bureau Group Jingjiang Heavy Industry Co ltd, China Railway Construction Bridge Engineering Bureau Group Co Ltd filed Critical China Railway Construction Bridge Engineering Bureau Group Jingjiang Heavy Industry Co ltd
Priority to CN202510007664.9A priority Critical patent/CN119711354A/en
Publication of CN119711354A publication Critical patent/CN119711354A/en
Pending legal-status Critical Current

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Abstract

The invention provides a girder making machine internal mold, which comprises an internal mold suspension unit, an internal mold truss and an internal mold segment group, wherein the internal mold suspension unit comprises an internal mold truss, a first suspender and a second suspender, the first suspender and the second suspender are suspended on the upper side of the internal mold truss, the first suspender and the second suspender sequentially penetrate through and are fixedly connected on a girder making machine door frame cross beam and a concrete beam for supporting the internal mold, the internal mold truss is lapped on the internal mold truss and can move along the internal mold truss, the internal mold truss comprises a plurality of truss segments which are spliced and fixed together, the internal mold segment group is hinged on two sides of the lower part of the internal mold truss, each internal mold segment group on each side comprises a plurality of segments which are spliced and fixed together, and a row of segments are arranged corresponding to the lower side of each truss segment. The invention has the advantages that the inner mould section groups are spliced together in a segmented mode and are suitable for beams with different heights, the inner mould truss is divided into a plurality of sections, and the corresponding truss sections are dismantled from the beam sections with the tooth blocks, so that the influence of the tooth blocks can be reduced to the greatest extent.

Description

Internal mold of beam making machine and construction method
Technical Field
The invention belongs to the technical field of girder building machine construction of rigid frame continuous girder bridges, and particularly relates to a girder building machine inner mold and a construction method.
Background
For the girder building machine internal mold part of the rigid frame continuous girder bridge, the mode of upper and lower segmentation is adopted for the most part at present, the commonality can not be guaranteed when constructing the girder section with the tooth piece by the internal mold, the installation tooth piece template is very inconvenient, the construction is influenced, and at the same time, the segmentation size of most of the template is larger at present, the height of the template can only be adjusted by cutting the internal mold, and the commonality of the template can not be guaranteed.
Disclosure of Invention
In view of the above, the present invention aims to overcome the above-mentioned drawbacks of the prior art, and provides an internal mold of a girder making machine and a construction method thereof.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
An internal mold of a girder making machine comprises an internal mold suspension unit, an internal mold truss and an internal mold segment group,
The inner die suspension unit comprises an inner sliding beam, a first suspender and a second suspender, the inner sliding beam is horizontally arranged, the first suspender and the second suspender are arranged at intervals and are suspended on the upper side of the inner sliding beam, the first suspender and the second suspender sequentially penetrate through and are fixedly connected on a beam of a girder making machine door frame and a concrete beam for supporting the inner die,
The internal mold truss is lapped on the internal slide beam and can move along the internal slide beam, and comprises a plurality of truss sections which are spliced and fixed together,
The inner mould section groups are hinged at two sides of the lower part of the inner mould truss, each inner mould section group at each side comprises a plurality of sections which are spliced and fixed together, and a row of sections are arranged at the lower side of each truss section.
Further, an inner mold chamfer is arranged at the bottom of each inner mold segment group at each side, and each inner mold chamfer and each inner mold segment group at the same side are fixedly connected together through a plurality of inner mold suspenders.
Further, the inner mold suspender is of a screw rod structure, a nut is screwed on the inner mold suspender, and the inner mold suspender is fixed on the inner mold segment group through the nut.
Further, connecting seats are fixedly connected to the inner mold chamfers corresponding to the bottoms of the inner mold suspenders, and the bottoms of the inner mold suspenders are rotationally connected in the connecting seats.
Further, the internal mold chamfer is a wood template or a steel template.
Further, the upper side of the inner mould section group on each side is connected with the inner mould truss through an inner mould folding cylinder.
Further, the centre form truss includes the half truss that bilateral symmetry set up, and every half truss all includes a plurality of concatenation truss sections that are fixed together, and half truss bottom at every side all rigid coupling centre form sideslip hydro-cylinder, and two centre form sideslip hydro-cylinders are common rigid coupling on the mount pad.
The application also provides a construction method of the internal mold of the beam making machine, which comprises the following steps:
A. firstly, fixing an inner mold suspension unit to a front portal frame of a beam making machine and a poured concrete beam section through a first suspender and a second suspender;
B. The inner die truss is installed on the inner die truss in a segmented mode, then the inner die segment group is connected with the inner die truss, and the inner die chamfer is connected with the inner die segment group through the inner die suspender;
C. and finally, installing an internal mold folding cylinder and an internal mold traversing cylinder.
Compared with the prior art, the invention has the following advantages:
(1) The girder making machine inner mould of the invention adopts a segmented mode to splice the inner mould section groups together, can be better suitable for girders with different heights, and divides an inner mould truss into a plurality of sections according to the tooth blocks of the girder Duan Dingban, and removes the corresponding truss sections at the girder sections with the tooth blocks, thereby reducing the influence of the tooth blocks to the greatest extent;
(2) The inner die chamfer is connected to the bottom of the inner die segment group through the inner die suspender, and the inclination angle of the inner die chamfer can be finely adjusted by adjusting the effective suspension length of the inner die suspender.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a front view of an internal mold structure of a girder making machine according to an embodiment of the present invention;
FIG. 2 is a right side view of an internal mold structure of a girder making machine according to an embodiment of the present invention;
Fig. 3 is a schematic structural diagram of an inner mold suspension unit according to an embodiment of the present invention.
Reference numerals illustrate:
1. The beam forming machine comprises a beam forming machine door frame, a concrete beam, a 3 inner die suspension unit, a 31 inner die beam, a 32 inner die beam, a first suspender, a 33 second suspender, a 4 inner die truss, a 41 inner die truss, a truss section, a 42 inner die truss, a 5 inner die folding cylinder, a 6 inner die traversing cylinder, a 7 inner die section group, a 71 inner die section, a 8 inner die suspender, a 9 inner die chamfer, a 10 inner die nut, a 11 inner die connecting seat.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in the figure, an internal mold of a girder fabrication machine comprises an internal mold suspension unit 3, an internal mold truss 4 and an internal mold segment group 7, wherein the internal mold suspension unit 3 comprises an internal sliding beam 31, a first suspender 32 and a second suspender 33, the internal sliding beam 31 is horizontally arranged, the first suspender 32 and the second suspender 33 are arranged at intervals and are suspended on the upper side of the internal sliding beam 31, the first suspender 32 and the second suspender 33 sequentially penetrate through and are fixedly connected on a beam of a girder fabrication machine door frame 1 and a concrete beam 2 for supporting the internal mold, in the embodiment, the first suspender 32 and the second suspender 33 are anchored on the beam of the girder fabrication machine door frame 1 and the concrete beam 2, the internal mold truss 4 is lapped on the internal sliding beam 31 and can move along the internal sliding beam 31, and the internal mold truss 4 comprises a plurality of truss segments 41 which are spliced and fixed together, in this embodiment, the inner mold truss 4 is connected with the inner slide beam 31 through the inner mold running Liang Dianji gear set, and the inner mold truss 4 is driven to move back and forth on the inner slide beam 31 through the inner mold running Liang Dianji gear set, which is a conventional technical means in the art, and the innovation point of the scheme is not shown here, so that a specific structure is not shown here, the inner mold segment groups 7 are hinged at two sides of the lower portion of the inner mold truss 4, and each inner mold segment group 7 comprises a plurality of segments 71 which are spliced and fixed together, a row of segments 71 are arranged at the lower side of each truss segment 41, and the number of segments 71 at corresponding positions is increased or reduced along with the change of the beam Duan Gao degrees during construction, so as to achieve the universality of different beams Duan Gaodu.
An internal mold chamfer 9 is arranged at the bottom of the internal mold segment group 7 at each side, and each internal mold chamfer 9 and the internal mold segment group 7 at the same side are fixedly connected together through a plurality of internal mold suspenders 8.
The inner mold suspender 8 is of a screw rod structure, a nut 10 is screwed on the inner mold suspender 8, the inner mold suspender 8 is fixed on the inner mold segment group 7 through the nut 10, in the embodiment, the inner mold suspender 8 is connected on the inner mold segment group 7 through the nut 10, the effective suspension length of the inner mold suspender 8 can be adjusted through the nut 10, namely, the position of an inner mold chamfer 9 is adjusted, and the inner mold segment group 7 and the inner mold chamfer 9 are connected through the inner mold suspender 8.
The connecting seat 11 is fixedly connected to the bottom of each inner mould suspender 8 on the inner mould chamfer 9, the bottom of each inner mould suspender 8 is rotationally connected to the inner mould suspender 8 in the connecting seat 11, when the adjusting nut 10 is arranged at the position of the inner mould suspender 8, the inner mould suspender 8 moves in the vertical direction, and the inner mould chamfer 9 also carries out fine adjustment on the inclination angle under the action of the connecting seat 11 while vertically moving along with the inner mould suspender 8, so that the universality of the inner mould is ensured.
The internal mold chamfer 9 is a wood template or a steel template, the height and the shape of the internal mold chamfer 9 are cut or replaced to adapt to the beams Duan Gaodu and the shapes of different conditions, and simultaneously, the internal mold chamfer 9 can be cut or replaced to adapt to the bottom plate tooth blocks of different shapes.
The upper side of the inner mould section group 7 on each side is connected with the inner mould truss 4 through the inner mould folding cylinder 5, so that folding demoulding can be provided, and demoulding is more convenient.
The internal mold truss 4 comprises half trusses 42 which are symmetrically arranged left and right, each half truss 42 comprises a plurality of truss sections 41 which are spliced and fixed together, the bottom of each half truss 42 is fixedly connected with an internal mold traversing cylinder 6, the two internal mold traversing cylinders 6 are fixedly connected on a mounting seat, and the internal mold traversing cylinders 6 are used for realizing transverse demolding, so that the demolding is more convenient.
The application also provides a beam making machine internal mold construction method, which comprises the following steps of fixing an internal mold suspension unit 3 onto a beam making machine front portal frame and a poured concrete beam 2 section through a first suspender 32 and a second suspender 33, mounting an internal mold truss 4 onto an internal sliding beam 31 in a segmented manner, connecting an internal mold segment group 7 with the internal mold truss 4, connecting an internal mold chamfer 9 with the internal mold segment group 7 through an internal mold suspender 8, and finally mounting an internal mold folding cylinder 5 and an internal mold traversing cylinder 6.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (8)

1.一种造梁机内模，其特征在于：包括内模悬吊单元、内模桁架、内模节段组，1. An inner mold of a beam making machine, characterized in that it comprises an inner mold suspension unit, an inner mold truss, and an inner mold segment group, 内模悬吊单元包括内滑梁、第一吊杆和第二吊杆，内滑梁水平设置，第一吊杆和第二吊杆间隔设置且吊接在内滑梁上侧，第一吊杆和第二吊杆依次穿过并固接在造梁机门架横梁和混凝土梁上，用于支撑内模，The inner mold suspension unit includes an inner sliding beam, a first suspension rod and a second suspension rod. The inner sliding beam is horizontally arranged. The first suspension rod and the second suspension rod are spaced apart and suspended on the upper side of the inner sliding beam. The first suspension rod and the second suspension rod sequentially pass through and are fixed to the cross beam of the beam making machine portal and the concrete beam to support the inner mold. 内模桁架搭接在内滑梁上，并能沿内滑梁移动，且内模桁架包括多个拼接固定在一起的桁架段，The inner mold truss is overlapped on the inner sliding beam and can move along the inner sliding beam. The inner mold truss includes a plurality of truss sections spliced and fixed together. 内模节段组铰接设置在内模桁架下部两侧处，且每侧的内模节段组均包括多个拼接固定在一起节段，且对应每个桁架段下侧处设置一列节段。The inner mold segment group is hingedly arranged at both sides of the lower part of the inner mold truss, and the inner mold segment group on each side includes a plurality of segments spliced and fixed together, and a row of segments is arranged at the lower side of each truss segment. 2.根据权利要求1所述的一种造梁机内模，其特征在于：在每侧的内模节段组底部共同设置一个内模倒角，且每个内模倒角和同侧的内模节段组之间均通过多个内模吊杆固接在一起。2. An inner mold for a beam-making machine according to claim 1, characterized in that an inner mold chamfer is commonly arranged at the bottom of the inner mold segment group on each side, and each inner mold chamfer and the inner mold segment group on the same side are fixed together by a plurality of inner mold hangers. 3.根据权利要求2所述的一种造梁机内模，其特征在于：内模吊杆为丝杆结构，并在内模吊杆上螺接有螺母，通过螺母将内模吊杆固定在内模节段组上。3. An inner mold for a beam-making machine according to claim 2, characterized in that the inner mold hanger is a screw structure, and a nut is screwed on the inner mold hanger, and the inner mold hanger is fixed to the inner mold segment group through the nut. 4.根据权利要求3所述的一种造梁机内模，其特征在于：内模倒角上对应于每个内模吊杆底部处均固接有连接座，且内模吊杆底部转动连接在连接座中。4. An inner mold for a beam-making machine according to claim 3, characterized in that a connecting seat is fixedly connected to the chamfer of the inner mold corresponding to the bottom of each inner mold hanger rod, and the bottom of the inner mold hanger rod is rotatably connected to the connecting seat. 5.根据权利要求4所述的一种造梁机内模，其特征在于：内模倒角为木模板或钢模板。5. An inner mold for a beam-making machine according to claim 4, characterized in that the inner mold chamfer is a wooden mold or a steel mold. 6.根据权利要求1所述的一种造梁机内模，其特征在于：每侧的内模节段组上侧处和内模桁架之间均通过内模折叠油缸连接在一起。6. An inner mold for a beam-making machine according to claim 1, characterized in that the upper side of the inner mold segment group on each side and the inner mold trusses are connected together through an inner mold folding cylinder. 7.根据权利要求1所述的一种造梁机内模，其特征在于：内模桁架包括左右对称设置的半桁架，每个半桁架均包括多个拼接固定在一起的桁架段，在每侧的半桁架底部均固接内模横移油缸，且两个内模横移油缸共同固接在安装座上。7. An inner mold for a beam-making machine according to claim 1, characterized in that the inner mold truss includes half trusses that are symmetrically arranged on the left and right, each half truss includes a plurality of truss segments spliced and fixed together, an inner mold transverse displacement cylinder is fixed to the bottom of the half truss on each side, and the two inner mold transverse displacement cylinders are jointly fixed to the mounting seat. 8.一种对权利要求1至7中任一所述的造梁机内模的施工方法，其特征在于，包括以下步骤：8. A construction method for the inner formwork of a beam-making machine according to any one of claims 1 to 7, characterized in that it comprises the following steps: A.先将内模悬吊单元通过第一吊杆和第二吊杆固定至造梁机前门架和已浇筑混凝土梁段上；A. First, fix the inner mold suspension unit to the front door frame of the beam making machine and the poured concrete beam section through the first and second hangers; B.将内模桁架分段安装至内滑梁上，然后将内模节段组与内模桁架连接、内模倒角通过内模吊杆与内模节段组连接；B. Install the inner mold truss in sections onto the inner sliding beam, then connect the inner mold segment group to the inner mold truss, and connect the inner mold chamfer to the inner mold segment group through the inner mold hanger; C.最后安装内模折叠油缸和内模横移油缸。C.Finally install the inner mold folding cylinder and inner mold transverse cylinder.
CN202510007664.9A 2025-01-03 2025-01-03 Internal mold of beam making machine and construction method Pending CN119711354A (en)

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CN216712772U (en) * 2021-12-02 2022-06-10 中铁二局第四工程有限公司 Concrete box girder internal mold and internal mold system
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CN115787514A (en) * 2022-11-28 2023-03-14 中铁四局集团有限公司 Be suitable for continuous variable cross section hydraulic pressure and adjust centre form
CN117468371A (en) * 2023-12-07 2024-01-30 杭州市交通工程集团有限公司 Prestressed concrete variable cross-section box girder hanging basket hanging construction method
CN118979768A (en) * 2024-09-13 2024-11-19 中铁一局集团第四工程有限公司 A special formwork trolley for cast-in-place with full section of integrated pipe gallery

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CN117468371A (en) * 2023-12-07 2024-01-30 杭州市交通工程集团有限公司 Prestressed concrete variable cross-section box girder hanging basket hanging construction method
CN118979768A (en) * 2024-09-13 2024-11-19 中铁一局集团第四工程有限公司 A special formwork trolley for cast-in-place with full section of integrated pipe gallery

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