Internal mold of beam building machine and construction method

Abstract

The invention provides a beam building machine internal mold which comprises an internal mold suspension unit, an internal mold truss and an internal mold segment group, the internal mold suspension unit comprises an internal sliding beam, a first suspender and a second suspender, the first suspender and the second suspender are connected to the upper side of the internal sliding beam in a suspended mode, and the first suspender and the second suspender sequentially penetrate through and are fixedly connected to a beam building machine portal cross beam and a concrete beam; the inner mold truss is arranged on the inner sliding beam and used for supporting the inner mold, the inner mold truss is in lap joint with the inner sliding beam and can move along the inner sliding beam, the inner mold truss comprises a plurality of truss sections which are spliced and fixed together, the inner mold section sets are hinged to the two sides of the lower portion of the inner mold truss, and the inner mold section set on each side comprises a plurality of sections which are spliced and fixed together; and a row of sections are arranged corresponding to the lower side of each truss section. The internal formwork has the beneficial effects that the internal formwork segment sets are spliced together in a segmented mode, and the internal formwork is suitable for beams of different heights; the internal mold truss is divided into a plurality of sections, and the truss sections corresponding to the beam sections with the tooth blocks are detached, so that the influence of the tooth blocks can be reduced to the greatest extent.

Description

Technical Field

[0001] The invention belongs to the technical field of beam-making machine construction for rigid frame continuous beam bridges, and in particular relates to an inner mold of the beam-making machine and a construction method. Background Art

[0002] For the inner mold part of the rigid frame continuous beam bridge construction machine, most of them are currently divided into upper and lower sections. This inner mold cannot guarantee universality when constructing beam sections with tooth blocks. It is very inconvenient to install the tooth block template, which affects the construction. At the same time, most of the current template sections are large in size, and the template height can only be adjusted by cutting the inner mold to adjust the template height, which cannot guarantee the universality of the template. Summary of the invention

[0003] In view of this, the present invention aims to overcome the deficiencies of the above-mentioned problems in the prior art and proposes an inner mold of a beam-making machine and a construction method.

[0004] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0005] An inner mold of a beam making machine comprises an inner mold suspension unit, an inner mold truss, and an inner mold segment group.

[0006] 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.

[0007] The inner mold truss is overlapped on the inner sliding beam and can move along the inner sliding beam. The inner mold truss includes multiple truss sections spliced ​​and fixed together.

[0008] 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.

[0009] Furthermore, an inner mold chamfer is commonly provided 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 fixedly connected together through a plurality of inner mold suspension rods.

[0010] Furthermore, 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.

[0011] Furthermore, 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.

[0012] Furthermore, the inner mold chamfer is a wooden mold or a steel mold.

[0013] Furthermore, the upper side of the inner mold segment group on each side and the inner mold truss are connected together through an inner mold folding cylinder.

[0014] Furthermore, the inner mold truss includes half trusses that are symmetrically arranged on the left and right, each half truss includes multiple truss segments spliced ​​and fixed together, an inner mold transverse cylinder is fixed to the bottom of the half truss on each side, and the two inner mold transverse cylinders are jointly fixed to the mounting base.

[0015] The present application also proposes a beam making machine inner mold construction method, comprising the following steps:

[0016] 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;

[0017] 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;

[0018] C.Finally install the inner mold folding cylinder and inner mold transverse cylinder.

[0019] Compared with the prior art, the present invention has the following advantages:

[0020] (1) The inner mold of the beam-making machine described in the present invention splices the inner mold segment groups together in a segmented form, which can be better adapted to beams of different heights; and the inner mold truss is divided into several sections according to the tooth blocks on the top plate of the beam section, and the corresponding truss section is removed from the beam section with the tooth blocks, which can minimize the influence of the tooth blocks; the inner mold height is adjusted by the first suspension rod and the second suspension rod, and the inner mold does not need to be cut, making the construction more convenient;

[0021] (2) The inner mold chamfer described in the present invention is connected to the bottom of the inner mold segment group through an inner mold hanger, and the inclination angle of the inner mold chamfer can be fine-tuned by adjusting the effective suspension length of the inner mold hanger. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 This is a front view of the inner mold structure of the beam making machine according to an embodiment of the present invention;

[0024] Figure 2 It is a right view of the inner mold structure of the beam making machine according to an embodiment of the present invention;

[0025] Figure 3 It is a schematic diagram of the structure of the inner mold suspension unit described in an embodiment of the present invention.

[0026] Description of reference numerals:

[0027] 1. Beam-making machine gantry; 2. Concrete beam; 3. Inner mold suspension unit; 31. Inner sliding beam; 32. First hanger; 33. Second hanger; 4. Inner mold truss; 41. Truss segment; 42. Half truss; 5. Inner mold folding cylinder; 6. Inner mold transverse cylinder; 7. Inner mold segment group; 71. Segment; 8. Inner mold hanger; 9. Inner mold chamfer; 10. Nut; 11. Connecting seat. DETAILED DESCRIPTION

[0028] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0029] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0031] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0032] As shown in the figure, an inner mold of a beam-making machine includes an inner mold suspension unit 3, an inner mold truss 4, and an inner mold segment group 7. The inner mold suspension unit 3 includes an inner sliding beam 31, a first hanger 32 and a second hanger 33. The inner sliding beam 31 is horizontally arranged, and the first hanger 32 and the second hanger 33 are spaced and suspended on the upper side of the inner sliding beam 31. The first hanger 32 and the second hanger 33 pass through and are fixed to the cross beam of the beam-making machine gantry 1 and the concrete beam 2 in sequence to support the inner mold. In this embodiment, the first hanger 32 and the second hanger 33 are anchored to the cross beam of the beam-making machine gantry 1 and the concrete beam 2, the inner mold truss 4 is overlapped on the inner sliding beam 31, and can move along the inner sliding beam 31, and the inner mold truss 4 includes a plurality of spliced ​​and fixed The truss segment 41 together, in this embodiment, the inner mold truss 4 is connected to the inner sliding beam 31 through the inner mold running beam motor gear set, and the inner mold truss 4 is driven to move back and forth on the inner sliding beam 31 by the inner mold running beam motor gear set. This is a conventional technical means in this field, and the innovation point of this scheme is not here, so the specific structure is not given here. The inner mold segment group 7 is hingedly arranged on both sides of the lower part of the inner mold truss 4, and the inner mold segment group 7 on each side includes a plurality of segments 71 spliced ​​and fixed together, and a row of segments 71 is arranged at the lower side of each truss segment 41. During construction, as the height of the beam section changes, the number of segments 71 at the corresponding position is increased or decreased to achieve universality for different beam section heights.

[0033] An inner mold chamfer 9 is commonly provided at the bottom of the inner mold segment group 7 on each side, and each inner mold chamfer 9 is fixedly connected to the inner mold segment group 7 on the same side via a plurality of inner mold suspension rods 8 .

[0034] The inner mold hanger 8 is a screw structure, and a nut 10 is screwed on the inner mold hanger 8, and the inner mold hanger 8 is fixed to the inner mold segment group 7 by the nut 10. In this embodiment, the inner mold hanger 8 is connected to the inner mold segment group 7 by the nut 10, and the effective suspension length of the inner mold hanger 8 can be adjusted by the nut 10, that is, the position of the inner mold chamfer 9 can be adjusted, and the inner mold segment group 7 and the inner mold chamfer 9 are connected by the inner mold hanger 8.

[0035] A connecting seat 11 is fixedly connected to the inner mold chamfer 9 at the bottom of each inner mold hanger 8, and the bottom of the inner mold hanger 8 is rotatably connected to the connecting seat 11. When the position of the adjustment nut 10 on the inner mold hanger 8 is adjusted, the inner mold hanger 8 moves in the vertical direction. Under the action of the connecting seat 11, the inner mold chamfer 9 moves vertically with the inner mold hanger 8 and also performs fine adjustment of the inclination angle, thereby ensuring the versatility of the inner mold.

[0036] The inner mold chamfer 9 is a wooden template or a steel template. By cutting or replacing the height and shape of the inner mold chamfer 9, the height and shape of the beam section in different conditions can be adapted. At the same time, the inner mold chamfer 9 can be cut or replaced to adapt to the bottom plate tooth blocks of different shapes.

[0037] The upper side of the inner mold segment group 7 on each side and the inner mold truss 4 are connected together through the inner mold folding cylinder 5, which can provide folding demoulding, making demoulding more convenient.

[0038] The inner mold truss 4 includes half trusses 42 that are symmetrically arranged on the left and right. Each half truss 42 includes a plurality of truss segments 41 that are spliced ​​and fixed together. The bottom of the half truss 42 on each side is fixedly connected to the inner mold transverse shifting cylinder 6, and the two inner mold transverse shifting cylinders 6 are jointly fixed to the mounting seat. The lateral demoulding is achieved by the inner mold transverse shifting cylinder 6, and the demoulding is more convenient.

[0039] The present application also proposes a method for constructing an inner mold of a beam-making machine, comprising the following steps: first, fixing the inner mold suspension unit 3 to the front door frame of the beam-making machine and 2 sections of the cast concrete beam through a first hanger 32 and a second hanger 33, then installing the inner mold truss 4 in sections onto the inner sliding beam 31, then connecting the inner mold segment group 7 to the inner mold truss 4, and connecting the inner mold chamfer 9 to the inner mold segment group 7 through the inner mold hanger 8, and finally installing the inner mold folding cylinder 5 and the inner mold transverse cylinder 6.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An inner mold of a beam making machine, characterized in that: Including inner mold suspension unit, inner mold truss, inner mold segment group, 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. The inner mold truss is overlapped on the inner sliding beam and can move along the inner sliding beam. The inner mold truss includes multiple truss sections spliced ​​and fixed together. 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. The inner mold of 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 fixedly connected together through a plurality of inner mold suspension rods.

3. The inner mold of a beam making machine according to claim 2, characterized in that: The inner mold hanger is a screw rod 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. The inner mold of a beam making machine according to claim 3, characterized in that: A connecting seat is fixedly connected on the chamfer of the inner mold corresponding to the bottom of each inner mold suspension rod, and the bottom of the inner mold suspension rod is rotatably connected in the connecting seat.

5. The inner mold of a beam making machine according to claim 4, characterized in that: The inner mold chamfer is a wooden mold or a steel mold.

6. The inner mold of 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 the inner mold folding cylinder.

7. The inner mold of a beam-making machine according to claim 1, characterized in that: The inner mold truss includes half trusses arranged symmetrically on the left and right, each half truss includes multiple truss sections spliced ​​and fixed together, an inner mold transverse cylinder is fixed at the bottom of the half truss on each side, and the two inner mold transverse cylinders are fixed together on the mounting seat.

8. A construction method for the inner formwork of a beam-making machine as claimed in any one of claims 1 to 7, characterized in that: The following steps are involved: 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. 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.Finally install the inner mold folding cylinder and inner mold transverse cylinder.

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