Prefabricated gallery structure suitable for dam

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By the design of the corridor base and door -shaped prefabricated corridor in the prefabricated corridor structure of the dam, the embedded steel plate and welding fixed technology are used to solve the problem of complex construction and high cost in existing technologies, and the construction is realized. The effect of simple, low cost, and improving construction efficiency.

CN222412891UActive Publication Date: 2025-01-28SINOHYDRO BUREAU 8 CO LTD

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Patent Information

Application Number: CN202420971918.X
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-05-07
Publication Date: 2025-01-28
Estimated Expiration: 2034-05-07

AI Technical Summary

Technical Problem

The existing prefabricated corridor structure suitable for dams is complex and costly, and needs to be supported by internal pulling and external support, resulting in large project volume and large space occupancy, affecting construction efficiency and increasing costs.

Method used

The structure of the prefabricated corridor, which includes the corridor base and the door -shaped corridor, uses the first embedded steel plate on the bottom of the bottom wall of the prefabricated corridor. The installation slot is opened on the top surface of the corridor base. The embedded steel plate is hung on the top surface of the corridor base, so that the first embedded steel plate support is on the second embedded steel plate, and is fixed by welding.

Benefits of technology

The construction process is simplified, the cost is reduced, the form of internal pull -out support is avoided, the amount of engineering volume and occupation space is reduced, and the construction efficiency is improved.

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Abstract

The prefabricated gallery structure comprises a gallery base and a prefabricated gallery in a door opening shape, the prefabricated gallery is arranged on the top face of the gallery base, mounting grooves are formed in the positions, on the inner sides of the side walls of the prefabricated gallery, of the gallery base, first pre-embedded steel plates are pre-embedded in the bottoms of the side walls of the prefabricated gallery, and second pre-embedded steel plates are embedded in the first pre-embedded steel plates. Second pre-embedded steel plates are pre-embedded in the positions, corresponding to the first pre-embedded steel plates, of the gallery base, and the first pre-embedded steel plates are supported on the corresponding second pre-embedded steel plates and welded to the second pre-embedded steel plates. The prefabricated gallery structure suitable for the dam is simple in structure, easy to construct and low in cost, and the construction efficiency is improved.

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Description

Technical Field

[0001] The utility model relates to the technical field of dam engineering, in particular to a prefabricated gallery structure suitable for dams. Background Art

[0002] There are existing prefabricated gallery structures suitable for dams, such as a gravity dam prefabricated gallery structure with application number 202325126966.7, which includes a gravity dam body and a prefabricated gallery, wherein main reinforcement A is installed on both sides of the top of the gravity dam body, and main reinforcement B is installed on the top of the gravity dam body inside the main reinforcement A, and supporting angle steels are installed on the top of the main reinforcement A and main reinforcement B on both sides, and prefabricated galleries are installed on the top of the supporting angle steels on both sides, and pipes are installed on both sides of the top of the prefabricated gallery. During construction, it is necessary to first construct the main reinforcement A, main reinforcement B and supporting angle steels on both sides of the gravity dam body, and then install the arc-shaped prefabricated gallery on the top of the supporting angle steel, which is complex and costly to construct.

[0003] There are also some prefabricated corridors with door openings. After the prefabricated corridors are connected to the main body of the dam, they often need to be supported from the inside and outside to prevent the prefabricated corridors from displacement during concrete pouring. When the support is provided from the inside and outside, the project volume is large and it takes up a lot of space. Especially during the construction of roller-compacted concrete dams, it affects the equipment rolling or requires the adjustment to a deformed concrete form for vibration, which greatly affects the construction efficiency and increases the construction cost. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a prefabricated gallery structure suitable for dams which has simple structure, simple construction, low cost and improved construction efficiency.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A prefabricated gallery structure suitable for a dam comprises a gallery base and a prefabricated gallery in the shape of a doorway, wherein the prefabricated gallery is arranged on the top surface of the gallery base, the gallery base is provided with mounting grooves on the inner sides of each side wall of the prefabricated gallery, a first embedded steel plate is pre-embedded at the bottom of each side wall of the prefabricated gallery, the gallery base is pre-embedded with a second embedded steel plate at a position corresponding to the first embedded steel plate, the first embedded steel plate is supported on the corresponding second embedded steel plate and welded to the second embedded steel plate.

[0007] As a further improvement of the above technical solution:

[0008] The side surface of the first embedded steel plate facing the prefabricated corridor is coplanar with the side surface of the second embedded steel plate facing the installation groove.

[0009] The side surface of the second embedded steel plate facing the installation groove is coplanar with the corresponding side surface of the installation groove.

[0010] The side surface of the second embedded steel plate facing the installation groove is a vertical surface.

[0011] The first embedded steel plate is in a right-angle shape, and two side walls of the first embedded steel plate are respectively embedded in the bottom surface and the inner side surface of the prefabricated corridor side wall.

[0012] The second embedded steel plate is in a right-angle shape, and two side walls of the second embedded steel plate are respectively embedded in the top surface of the corridor base and the corresponding side surfaces of the installation groove.

[0013] The first embedded steel plate is provided with a first anchor bar, which is embedded in the side wall of the prefabricated corridor. The second embedded steel plate is provided with a second anchor bar, which is embedded in the corridor base.

[0014] The top wall of the prefabricated corridor is in an upwardly arched arc shape and is penetrated by a hanging pipe.

[0015] A first threaded hole is provided on the side of the second embedded steel plate facing the prefabricated corridor, and a second threaded hole is provided on the side of the first embedded steel plate facing the installation groove.

[0016] A positioning plate is provided between the first embedded steel plate and the second embedded steel plate. The positioning plate is attached to the side of the first embedded steel plate facing the prefabricated corridor and the side of the second embedded steel plate facing the installation groove, and is fixed to the first threaded hole and the second threaded hole by screws.

[0017] Compared with the prior art, the advantages of the utility model are:

[0018] The utility model is suitable for the prefabricated corridor structure of the dam. The construction process is as follows: in advance, the first embedded steel plate is embedded at the bottom of each side wall of the prefabricated corridor, an installation groove is opened on the top surface of the corridor base, and the second embedded steel plate is embedded on the outer side of the installation groove on the top surface of the corridor base; the prefabricated corridor is hoisted to the top surface of the corridor base, so that the first embedded steel plate is supported on the corresponding second embedded steel plate; then, the first embedded steel plate and the second embedded steel plate are aligned by providing space through the installation groove, with the help of block materials and other components; then, the aligned first embedded steel plate and the second embedded steel plate are welded. On the one hand, the prefabricated corridor structure includes a corridor base and a prefabricated corridor in the shape of a doorway. The construction process only needs to position and connect the prefabricated corridor with the corridor base, and the construction is simple and low in cost; on the other hand, the corridor base and the prefabricated corridor in the shape of a doorway are fixed by welding the first embedded steel plate and the second embedded steel plate, and there is no need to adopt the form of internal pulling and external support, the engineering volume is small, and less space is occupied, which improves the construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The utility model is a structural schematic diagram of an embodiment of a prefabricated gallery structure suitable for a dam.

[0020] Figure 2 yes Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0021] Figure 3 It is a structural schematic diagram of another embodiment of the prefabricated gallery structure suitable for dams of the utility model.

[0022] Figure 4 yes Figure 3 Schematic diagram of the enlarged structure at point B in the middle.

[0023] The symbols in the figure represent:

[0024] 1. Corridor base; 2. Prefabricated corridor; 3. Installation groove; 4. First embedded steel plate; 41. Second threaded hole; 5. Second embedded steel plate; 51. Second anchor bar; 511. Right angle part; 512. Anchoring part; 52. First threaded hole; 6. Hanging pipe; 7. Positioning plate; 8. Screws. DETAILED DESCRIPTION

[0025] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0026] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply 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 a limitation on the present invention.

[0027] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0028] In the present invention, unless otherwise clearly specified and limited, the terms "assemble", "connect", "connect", "fix" and the like 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 an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0029] Embodiment 1:

[0030] Figure 1 and Figure 2 An embodiment of the utility model for a prefabricated gallery structure suitable for a dam is shown. The prefabricated gallery structure suitable for a dam in this embodiment comprises a gallery base 1 and a prefabricated gallery 2 in the shape of a doorway. The prefabricated gallery 2 is arranged on the top surface of the gallery base 1. The gallery base 1 is provided with mounting grooves 3 on the inner sides of each side wall of the prefabricated gallery 2. A first embedded steel plate 4 is embedded at the bottom of each side wall of the prefabricated gallery 2. The gallery base 1 is embedded with a second embedded steel plate 5 at a position corresponding to the first embedded steel plate 4. The first embedded steel plate 4 is supported on the corresponding second embedded steel plate 5 and welded to the second embedded steel plate 5.

[0031] The present invention is suitable for the prefabricated gallery structure of the dam, and the construction process is as follows: in advance, the first embedded steel plate 4 is embedded at the bottom of each side wall of the prefabricated gallery 2, a mounting groove 3 is opened on the top surface of the gallery base 1, and the second embedded steel plate 5 is embedded on the top surface of the gallery base 1 outside the mounting groove 3; the prefabricated gallery 2 is hoisted onto the top surface of the gallery base 1, so that the first embedded steel plate 4 is supported on the corresponding second embedded steel plate 5; then, the first embedded steel plate 4 and the second embedded steel plate 5 are aligned by providing space through the mounting groove 3, and with the help of block materials and other components; then, the aligned first embedded steel plate 4 and the second embedded steel plate 5 are welded. On the one hand, the prefabricated corridor structure includes a corridor base 1 and a prefabricated corridor 2 in the shape of a doorway. During the construction process, it is only necessary to position and connect the prefabricated corridor 2 with the corridor base 1, so the construction is simple and the cost is low. On the other hand, the corridor base 1 and the prefabricated corridor 2 in the shape of a doorway are welded and fixed by the first embedded steel plate 4 and the second embedded steel plate 5, and there is no need to adopt the form of internal pulling and external supporting. The project volume is small, and less space is occupied, which improves the construction efficiency.

[0032] Furthermore, in this embodiment, the side surface of the first embedded steel plate 4 facing the prefabricated corridor 2 is coplanar with the side surface of the second embedded steel plate 5 facing the installation groove 3, so as to locate the installation position of the prefabricated corridor 2.

[0033] Furthermore, in this embodiment, the side of the second embedded steel plate 5 facing the installation groove 3 is coplanar with the corresponding side of the installation groove 3. This facilitates the operation of the block material abutting and positioning in the installation groove 3. Generally, the side of the first embedded steel plate 4 facing the prefabricated corridor 2 and the side of the second embedded steel plate 5 facing the installation groove 3 are coplanar through the abutment of the block material to locate the installation position of the prefabricated corridor 2.

[0034] Furthermore, in this embodiment, the side surface of the second embedded steel plate 5 facing the installation groove 3 is a vertical surface.

[0035] Furthermore, in this embodiment, the first embedded steel plate 4 is in a right angle shape, and the two side walls of the first embedded steel plate 4 are respectively embedded in the bottom surface and the inner side surface of the side wall of the prefabricated corridor 2. That is, the first embedded steel plate 4 is attached to the inner corner of the bottom of the side wall of the first embedded steel plate 4. Preferably, the bottom surface of the first embedded steel plate 4 is flush with the bottom surface of the side wall of the first embedded steel plate 4; the top surface of the second embedded steel plate 5 is flush with the top surface of the corridor base 1.

[0036] Furthermore, in this embodiment, the second embedded steel plate 5 is in a right angle shape, and two side walls of the second embedded steel plate 5 are respectively embedded in the top surface of the corridor base 1 and the corresponding side surfaces of the installation groove 3. Furthermore, the first embedded steel plate 4 and the second embedded steel plate 5 are both made of angle steel.

[0037] Furthermore, in this embodiment, a first anchor bar (not shown in the drawings) is provided on the first embedded steel plate 4, and the first anchor bar is embedded in the side wall of the prefabricated corridor 2. A second anchor bar 51 is provided on the second embedded steel plate 5, and the second anchor bar 51 is embedded in the corridor base 1. The connection between the two can be strengthened by the anchor bar, and the overall connection strength can be strengthened.

[0038] Furthermore, in this embodiment, the top wall of the prefabricated corridor 2 is in an upwardly arched arc shape and is penetrated by a hanging pipe 6. By providing the hanging pipe 6, it is convenient to lift the prefabricated corridor 2.

[0039] Furthermore, in this embodiment, the second anchor bar 51 includes a right-angle portion 511 and an anchoring portion 512 connected to the end of the right-angle portion 511, the right-angle portion 511 is adaptively welded to the second embedded steel plate 5, and the anchoring portion 512 is integrally formed with the right-angle portion 511 and anchored in the corridor base 1.

[0040] Embodiment 2:

[0041] Figure 3 and Figure 4 Another embodiment of the prefabricated gallery structure of the utility model applicable to the dam is shown. The structure of this embodiment is basically the same as that of the first embodiment, and the only difference is that a first threaded hole 52 is provided on the side of the second embedded steel plate 5 facing the inside of the prefabricated gallery 2, and a second threaded hole 41 is provided on the side of the first embedded steel plate 4 facing the installation groove 3. The provision of the first threaded hole 52 and the second threaded hole 41 facilitates the installation of the positioning plate 7. After the positioning plate 7 is installed, the gallery base 1 and the prefabricated gallery 2 can be positioned. After positioning, the positioning plate 7 can be disassembled, and then the first embedded steel plate 4 and the second embedded steel plate 5 are welded, and then the positioning plate 7 can be installed to improve the connection strength.

[0042] Furthermore, in this embodiment, a positioning plate 7 is provided between the first embedded steel plate 4 and the second embedded steel plate 5, and the positioning plate 7 is attached to the side of the first embedded steel plate 4 facing the inside of the prefabricated corridor 2 and the side of the second embedded steel plate 5 facing the installation groove 3, and is fixed to the first threaded hole 52 and the second threaded hole 41 by screws 8. The positioning plate 7 can facilitate accurate positioning of the corridor base 1 and the prefabricated corridor 2 on the one hand, and improve the connection strength on the other hand.

[0043] Although the present invention has been disclosed as a preferred embodiment, it is not intended to limit the present invention. Any technician familiar with the art can use the above disclosed technical content to make many possible changes and modifications to the technical solution of the present invention without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention should fall within the scope of protection of the technical solution of the present invention.

Claims

1. A prefabricated gallery structure suitable for a dam, characterized in that: The invention comprises a corridor base (1) and a prefabricated corridor (2) in the shape of a door opening, wherein the prefabricated corridor (2) is arranged on the top surface of the corridor base (1), the corridor base (1) is provided with a mounting groove (3) on the inner side of each side wall of the prefabricated corridor (2), the bottom of each side wall of the prefabricated corridor (2) is pre-buried with a first pre-buried steel plate (4), the corridor base (1) is pre-buried with a second pre-buried steel plate (5) at a position corresponding to the first pre-buried steel plate (4), and the first pre-buried steel plate (4) is supported on the corresponding second pre-buried steel plate (5) and welded to the second pre-buried steel plate (5).

2. The prefabricated gallery structure suitable for dams according to claim 1, characterized in that: The side surface of the first embedded steel plate (4) facing the inside of the prefabricated corridor (2) is coplanar with the side surface of the second embedded steel plate (5) facing the installation groove (3).

3. The prefabricated gallery structure suitable for dams according to claim 2, characterized in that: The side surface of the second embedded steel plate (5) facing the installation groove (3) is coplanar with the corresponding side surface of the installation groove (3).

4. The prefabricated gallery structure suitable for dams according to claim 3 is characterized in that: The side surface of the second embedded steel plate (5) facing the installation groove (3) is a vertical surface.

5. The prefabricated gallery structure suitable for dams according to claim 4, characterized in that: The first embedded steel plate (4) is in a right-angle shape, and the two side walls of the first embedded steel plate (4) are respectively embedded in the bottom surface and the inner side surface of the side wall of the prefabricated corridor (2).

6. The prefabricated gallery structure suitable for dams according to claim 5, characterized in that: The second embedded steel plate (5) is in a right-angle shape, and two side walls of the second embedded steel plate (5) are respectively embedded in the top surface of the corridor base (1) and the corresponding side surfaces of the installation groove (3).

7. The prefabricated gallery structure suitable for dams according to any one of claims 1 to 6, characterized in that: The first embedded steel plate (4) is provided with a first anchor bar, which is embedded in the side wall of the prefabricated corridor (2); the second embedded steel plate (5) is provided with a second anchor bar (51), which is embedded in the corridor base (1).

8. The prefabricated gallery structure suitable for dams according to any one of claims 1 to 6, characterized in that: The top wall of the prefabricated corridor (2) is in an upwardly arched arc shape and is penetrated by a hanging pipe (6).

9. The prefabricated gallery structure suitable for dams according to any one of claims 1 to 6, characterized in that: A first threaded hole (52) is provided on the side of the second embedded steel plate (5) facing the inside of the prefabricated corridor (2), and a second threaded hole (41) is provided on the side of the first embedded steel plate (4) facing the installation groove (3).

10. The prefabricated gallery structure suitable for dams according to claim 9, characterized in that: A positioning plate (7) is provided between the first embedded steel plate (4) and the second embedded steel plate (5), and the positioning plate (7) is attached to the side surface of the first embedded steel plate (4) facing the prefabricated corridor (2) and the side surface of the second embedded steel plate (5) facing the installation groove (3), and is fixed to the first threaded hole (52) and the second threaded hole (41) by means of screws (8).