CN219326999U - Internal mold system for bridge construction - Google Patents
Internal mold system for bridge construction Download PDFInfo
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- CN219326999U CN219326999U CN202320464095.7U CN202320464095U CN219326999U CN 219326999 U CN219326999 U CN 219326999U CN 202320464095 U CN202320464095 U CN 202320464095U CN 219326999 U CN219326999 U CN 219326999U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses an internal mold system for bridge construction, which comprises an internal beam and an internal mold, wherein the templates of the internal mold are divided into five blocks according to the section direction, namely a top mold, two side molds and two bottom molds, wherein the top mold is positioned above the internal beam and is fixedly connected with the internal beam, the side molds are positioned on the left side and the right side of the internal beam, and the side molds are connected with the internal beam through transverse oil cylinders; the bottom die is respectively hinged with the lower ends of the corresponding side dies, and the bottom die is connected with the side dies through vertical oil cylinders. The automatic hydraulic internal mold disclosed by the utility model is flexible and convenient to operate, simple and reliable, and the construction efficiency is improved; the structure is compact, the occupied construction site is small, and the construction cost is further saved; and the degree of automation is high, has guaranteed the reliability of construction.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to an internal mold system for bridge construction.
Background
The disassembly of the internal mold system is one of important factors of more labor hour and influence on the construction period in the bridge construction process.
In bridge construction, the common internal mold system is a manually built steel template frame or a wood template frame, has the characteristics of strong flexibility, light weight and the like, has obvious defects, and is more remarkable in that the internal mold is too scattered, and is time-consuming and labor-consuming. In order to improve the construction efficiency, the hydraulic internal mold needs to be produced. Conventional hydraulic internal molds are more common in precast beam fields, which require beam fields to be provided, so the overall investment is not low.
The patent of publication No. CN113417219A discloses a bridge hanging basket box hydraulic internal mold asynchronous running system and a running method, wherein the internal mold system is still in the form of an internal mold frame, and the sectional design of a template is unreasonable, so that more template folding actions are caused, and the efficiency of template assembly, template support and demolding is low; while being unfavorable for vias.
Therefore, a new internal mold system for bridge construction is needed, which can be applied to repeated construction of the internal mold system to improve construction efficiency.
Disclosure of Invention
The utility model aims to overcome the defects of the existing internal mold system, provides the internal mold system for bridge construction, solves the problems of low construction efficiency and the like of the existing internal mold system, and has the advantages of flexibility, safety, high efficiency, simplicity in operation, high comprehensive utilization rate and the like.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the internal mold system for bridge construction comprises an internal beam and an internal mold, wherein the templates of the internal mold are divided into five blocks in the cross section direction, namely a top mold, two side molds and two bottom molds, the top mold is positioned above the internal beam and is fixedly connected with the internal beam, the side molds are positioned on the left side and the right side of the internal beam, and the side molds are connected with the internal beam through transverse oil cylinders; the bottom die is respectively hinged with the lower ends of the corresponding side dies, and the bottom die is connected with the side dies through vertical oil cylinders.
Further, the butt joint surface of the upper end of the side die and the left/right end of the top die is an inclined plane, the upper end of the side die and the left/right end of the top die are respectively connected through connecting rods, the connecting rods are in bending shapes, and two ends of the connecting rods are respectively hinged with the side die and the top die.
Further, the inner support rod is further included, and the inner support rod is additionally arranged between the inner die and the inner beam after the template is assembled in place in the pouring process.
Further, the device also comprises an outer beam positioned above the inner die, and a hanging system is arranged on the outer beam;
in the pouring process and the demolding process, the inner beam and the outer beam are connected through the outer stay bars.
Further, supporting points are arranged on the lower side of the inner beam, and the wheel box is arranged at the supporting points; lifting points are arranged on the upper side of the inner beam.
Further, three groups of supporting points are arranged on the lower side of the inner beam according to the front, middle and rear arrangement, and correspond to the three groups of wheel boxes;
two groups of lifting points are arranged on the upper side of the inner beam, namely a front lifting point positioned on the front side of the inner beam and a middle lifting point positioned in the middle of the inner beam; the position of the middle lifting point is positioned at the front position of the middle supporting point, and the position of the front lifting point is positioned at the front position of the front supporting point;
the hanging system comprises two groups of electric hoists corresponding to the two groups of lifting points.
Further, the wheel box is connected with the inner beam through a pin shaft.
The utility model has the beneficial effects that:
according to the utility model, the sections of the templates are reduced, the cross section direction of the templates is divided into five blocks, the overturning action of the bottom molds at two sides is completed by the two vertical cylinders, the folding action of the side molds at two sides is completed by the two transverse cylinders, the operation is simple, the efficiency is high, and the folding action of the templates is reduced.
In the utility model, the template is directly connected with the inner beam, so that an inner die frame is not independently manufactured, and the weight of the template is reduced.
In the utility model, the wheel box is connected with the inner beam through the pin shaft, when the inner beam is lifted by the electric hoist during hole passing, the inner beam swings up and down, so that the adaptability of the wheel box can be improved, and the wheel box can adapt to the vertical swinging quantity generated by the lifting of the electric hoist, thereby ensuring smooth hole passing.
The utility model can reduce the difficulty of laying the track without casting sections, and the front part of the construction is lifted by adopting the electric hoist when the track is penetrated, and the track is matched with the rear wheel box to penetrate the track, so that the efficiency of penetrating the track is high.
The automatic hydraulic internal mold disclosed by the utility model is flexible and convenient to operate, simple and reliable, and the construction efficiency is improved; the structure is compact, the occupied construction site is small, and the construction cost is further saved; and the degree of automation is high, has guaranteed the reliability of construction.
The utility model can solve a series of installation problems generated in the construction processes of template via holes, template assembly, template support and the like, and compared with the existing bridge internal mold system and construction method, the utility model can greatly improve the construction efficiency and the safety, provides an automatic construction equipment support and installation scheme for bridge construction, and has good application prospect.
Drawings
FIG. 1 is a front view of an internal mold system for bridge construction of the present utility model;
FIG. 2 is a top view of an internal mold system for bridge construction of the present utility model;
FIG. 3 is a front view of the inner beam of FIG. 1;
FIG. 4 is a left side view of the casting of the internal mold system for bridge construction of the present utility model;
FIG. 5 is a left side view of the mold opening state of the internal mold system for bridge construction of the present utility model;
FIG. 6 is a front view of a via of the internal mold system for bridge construction of the present utility model;
FIG. 7 is a left side view of a via of the internal mold system for bridge construction of the present utility model;
fig. 8 is a front view of a wheel box of the internal mold system for bridge construction of the present utility model.
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1 to 8, the present embodiment provides an internal mold system for bridge construction, including an internal beam 1, an internal mold, and a wheel box 3.
In order to reduce the folding action of the templates, the templates of the inner mold are divided into five blocks in the cross section direction, namely a top mold 18, two side molds 17 and two bottom molds 16, wherein the top mold 18 is positioned above the inner beam 1 and is fixedly connected with the inner beam 1, the side molds 17 are positioned on the left side and the right side of the inner beam, and the side molds 17 are connected with the inner beam 1 through transverse oil cylinders 9; the bottom die 16 is respectively hinged with the lower ends of the corresponding side dies 17, and the bottom die 16 is connected with the side dies 17 through the vertical oil cylinders 8.
The specific connection mode of the side die 17 and the top die 18 is as follows: the butt joint surface of the upper end of the side die 17 and the left/right end of the top die 18 is a 45-degree inclined surface, the upper end of the side die 17 and the left/right end of the top die 18 are respectively connected through connecting rods, the connecting rods are in bent shapes, and two ends of the connecting rods are respectively hinged with the side die 17 and the top die 18.
When the internal mold is assembled, the side mold 17 is transversely moved in place through the transverse oil cylinder 9, and then the bottom mold 16 is overturned and unfolded through the vertical oil cylinder 8. When the inner mold is folded, the bottom mold 16 is turned over and retracted through the vertical oil cylinder 8, and the side mold 17 is retracted in place through the horizontal oil cylinder 9.
According to the utility model, the sections of the templates are reduced, the cross section direction of the templates is divided into five blocks, the overturning action of the bottom molds at two sides is completed by the two vertical oil cylinders 8, the folding action of the side molds 17 at two sides is completed by the two transverse oil cylinders 9, the operation is simple, the efficiency is high, and the folding action of the templates is reduced.
The inner beam 1 is a single-beam truss structure. In order to reduce the weight of the formwork, the formwork is directly connected with the inner beam 1, and the inner mould frame is not separately manufactured.
The inner support rod is further arranged, and after the templates are assembled in place in the pouring process, the inner support rods 10, 11, 12 and 13 are additionally arranged between the inner die and the inner beam.
The device also comprises an outer beam 19 positioned above the inner die, and a hanging system is arranged on the outer beam 19; in the pouring step and the demolding step, the inner beam 1 and the outer beam 19 are connected by the outer stay (diagonal stay) 5, and are lifted and lowered simultaneously with the outer beam 19.
In order to reduce the deformation of the inner beam, three groups of supporting points are arranged on the lower side of the inner beam 1 according to the front, middle and back, and the three groups of supporting points correspond to the three groups of wheel boxes. The inner beam 1 walks through the wheel box 3.
As shown in fig. 8, the wheel box 3 is connected with the inner beam 1 through a pin shaft, when the inner beam is hoisted by the electric hoist 14 during hole passing, the inner beam 1 swings up and down, the adaptability of the wheel box can be improved, and the wheel box can adapt to the vertical swing amount generated by the hoisting of the electric hoist, so that the smooth hole passing is ensured.
Two groups of lifting points are arranged on the upper side of the inner beam 1, namely a front lifting point positioned on the front side of the inner beam and a middle lifting point positioned in the middle of the inner beam; the position of the middle lifting point is positioned at the front position of the middle supporting point, and the position of the front lifting point is positioned at the front position of the front supporting point.
The suspension system includes two sets of electric hoists 14 corresponding to the two sets of lifting points.
The two groups of lifting points and the three groups of supporting points are combined together to form five groups of supporting points, and when the electric hoist 18 passes through the hole, the electric hoist and the wheel box 3 are matched to use three effective supporting points.
The embodiment also discloses a construction method of the internal mold system for bridge construction, which is based on the internal mold system for bridge construction and comprises the following steps: pouring, demolding and via hole processes.
In the pouring process, as shown in fig. 4, an inner beam 1 and an outer beam 19 are connected through an outer stay 5, a side die 17 is transversely moved in place through a transverse cylinder 9, a bottom die 16 is turned and unfolded through a vertical cylinder 8, inner stays 10, 11, 12 and 13 between an inner die and the inner beam are connected, and the height of the inner die is adjusted to the beam making elevation.
In the demolding process, as shown in fig. 5, the inner stay bars 10, 11, 12 and 13 connecting the inner mold and the inner beam 1 are removed, the bottom mold 16 is turned over and retracted through the vertical oil cylinder 8, the side mold 17 is retracted in place through the horizontal oil cylinder 9, the mold falling action is realized along with the outer beam, and the outer stay bars between the inner beam and the outer beam are removed.
In the via hole process, as shown in fig. 6 and 7, a track 15 is laid in a poured beam body, and the track is moved forward by three groups of wheel boxes 3, when the wheel boxes of group 1 are about to come out of the track, the electric hoist of group 1 lifts the front lifting point of the inner beam in advance by the lifting appliance 6, and when the wheel boxes of group 2 are about to come out of the track, the electric hoist of group 2 lifts the middle lifting point of the inner beam in advance by the lifting appliance 6, so that three effective supporting points are always formed to complete the via hole.
According to the utility model, the electric hoist 14 is adopted to hoist the front side of the construction during hole passing, and is matched with the rear wheel box 3 to pass the hole, so that the difficulty in laying the track of the non-poured section is reduced.
The automatic hydraulic internal mold disclosed by the utility model is flexible and convenient to operate, simple and reliable, and the construction efficiency is improved; the structure is compact, the occupied construction site is small, and the construction cost is further saved; and the degree of automation is high, has guaranteed the reliability of construction.
The above embodiments are only for illustrating the technical solution of the present utility model, and it should be understood by those skilled in the art that although the present utility model has been described in detail with reference to the above embodiments: modifications and equivalents may be made thereto without departing from the spirit and scope of the utility model, which is intended to be encompassed by the claims.
If the terms "first," "second," etc. are used herein to define a part, those skilled in the art will recognize that: the use of "first" and "second" is for convenience only as well as for simplicity of description, and nothing more than a particular meaning of the terms is intended to be used unless otherwise stated.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", 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 utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Claims (7)
1. An internal mold system for bridge construction, characterized in that: the die plate of the inner die is divided into five blocks according to the section direction, namely a top die, two side dies and two bottom dies, wherein the top die is positioned above the inner beam and is fixedly connected with the inner beam, the side dies are positioned at the left side and the right side of the inner beam, and the side dies are connected with the inner beam through transverse oil cylinders; the bottom die is respectively hinged with the lower ends of the corresponding side dies, and the bottom die is connected with the side dies through vertical oil cylinders.
2. The internal mold system for bridge construction according to claim 1, wherein: the butt joint surface of the upper end of the side die and the left/right end of the top die is an inclined plane, the upper end of the side die and the left/right end of the top die are respectively connected through connecting rods, the connecting rods are in bending shapes, and two ends of the connecting rods are respectively hinged with the side die and the top die.
3. The internal mold system for bridge construction according to claim 1, wherein: the inner support rod is additionally arranged between the inner die and the inner beam after the template is assembled in place in the pouring process.
4. The internal mold system for bridge construction according to claim 1, wherein: the device also comprises an outer beam positioned above the inner die, and a hanging system is arranged on the outer beam;
in the pouring process and the demolding process, the inner beam and the outer beam are connected through the outer stay bars.
5. The internal mold system for bridge construction according to claim 1, wherein: support points are arranged on the lower side of the inner beam, and the wheel box is arranged at the support points; lifting points are arranged on the upper side of the inner beam.
6. The internal mold system for bridge construction according to claim 5, wherein: three groups of supporting points are arranged on the lower side of the inner beam according to the front, middle and rear arrangement, and correspond to the three groups of wheel boxes;
two groups of lifting points are arranged on the upper side of the inner beam, namely a front lifting point positioned on the front side of the inner beam and a middle lifting point positioned in the middle of the inner beam; the position of the middle lifting point is positioned at the front position of the middle supporting point, and the position of the front lifting point is positioned at the front position of the front supporting point;
the hanging system comprises two groups of electric hoists corresponding to the two groups of lifting points.
7. The internal mold system for bridge construction according to claim 5 or 6, wherein: the wheel box is connected with the inner beam through a pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320464095.7U CN219326999U (en) | 2023-03-13 | 2023-03-13 | Internal mold system for bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320464095.7U CN219326999U (en) | 2023-03-13 | 2023-03-13 | Internal mold system for bridge construction |
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| Publication Number | Publication Date |
|---|---|
| CN219326999U true CN219326999U (en) | 2023-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320464095.7U Active CN219326999U (en) | 2023-03-13 | 2023-03-13 | Internal mold system for bridge construction |
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| Country | Link |
|---|---|
| CN (1) | CN219326999U (en) |
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- 2023-03-13 CN CN202320464095.7U patent/CN219326999U/en active Active
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