Special sleeve device for bridge bus duct to pass through floor

By designing a special casing device for the bridge busbar trough through the floor slab, including a water barrier table, fireproof board and positioning unit, the problems of high difficulty, long cycle and high cost in the existing technology are solved, and the rapid and safe fireproof sealing and waterproof functions are achieved.

CN223039573UActive Publication Date: 2025-06-27HUNAN TIANYU EQUIP INSTALLATION CO LTD +1
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Patent Information

Application Number
CN202421650501.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-12
Publication Date
2025-06-27
Estimated Expiration
2034-07-12

AI Technical Summary

Technical Problem

In the prior art, the fire-proof sealing method of bridge trays and busbar troughs penetrate the floor slab requires on-site processing and production of casings, and requires cutting and welding, resulting in high construction difficulty, long cycle and high cost.

Method used

A special casing device for bridge busbar trough through floor slabs is designed, including a water barrier table, fireproof board and positioning unit. Through prefabricated production, it avoids on-site fire and welding operations, and achieves rapid installation and fireproof sealing.

Benefits of technology

This device can quickly replace traditional waterproof sills, simplify construction processes, reduce costs, improve fire resistance, and be simple to operate and fast construction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a special sleeve device for a bridge bus duct to penetrate through a floor, and relates to the technical field of bridge bus ducts. A first bridge frame is fixedly connected to the side end of the water retaining ridge platform. A bridge frame wall is fixedly connected to the interior of the water retaining ridge platform; the first bridge is fixedly connected to the side end of the bridge wall. A fireproof plate is arranged in the water retaining ridge platform; a positioning unit is arranged on the first bridge frame; a traditional waterproof ridge platform can be replaced by the water retaining ridge platform, secondary building of the waterproof ridge platform of the electric well through civil engineering can be omitted, manufacturer prefabrication and batch production are achieved, the time for on-site machining and manufacturing is saved, fire-free and welding-free operation can be achieved on site, construction is easy, and operation is convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of bridge bus ducts, and particularly relates to a special sleeve device for a bridge bus duct to pass through a floor slab. Background Technique

[0002] A bridge is a structural engineering facility used to support, fix and protect pipelines, cables and other facilities. It usually consists of a bridge frame, supports and connecting parts, and is used to build a passage inside or between buildings so that facilities such as cables and pipelines can be smoothly wired, transmitted and maintained.

[0003] With the development of society, the country pays more and more attention to building fire prevention. The "Code for Acceptance of Construction Quality of Electrical Engineering" stipulates that special component supports fixed to the building (structure) shall be set at the place where the bus duct vertically passes through the floor slab, a waterproof platform with a height of 50 mm or more shall be set around the hole, and fireproof plugging measures shall be taken; for the ladder racks, trays and cable trays laid in the electrical shaft passing through the floor slab and passing through different fire prevention zones, fireproof separation measures shall be provided.

[0004] At present, the common method for fireproof plugging at the place where the bridge and bus duct pass through the floor slab is to first fabricate the sleeve on site, then fix the sleeve by hanging formwork, then carry out fireproof plugging, and then build a waterproof sill beside it; this method requires on-site cutting and welding, and the production time is relatively long. It is difficult to construct such a narrow waterproof sill with bricks or cast-in-place concrete, and it is also necessary to plaster and decorate, resulting in a long construction period and high cost. Here, we provide a special sleeve device for a bridge bus duct to pass through the floor slab. Content of the Utility Model

[0005] The purpose of the utility model is to provide a special sleeve device for a bridge bus duct to pass through the floor slab, so as to solve the technical problems in the prior art that the common method for fireproof plugging at the place where the bridge and bus duct pass through the floor slab is to first fabricate the sleeve on site, then fix the sleeve by hanging formwork, then carry out fireproof plugging, and then build a waterproof sill beside it; this method requires on-site cutting and welding, and the production time is relatively long. It is difficult to construct such a narrow waterproof sill with bricks or cast-in-place concrete, and it is also necessary to plaster and decorate, resulting in a long construction period and high cost.

[0006] The technical problems to be solved by the utility model can be realized through the following technical solutions:

[0007] A special sleeve device for a bridge bus duct to pass through the floor slab includes a water retaining sill; a first bridge is fixedly connected to the side end of the water retaining sill; a bridge wall is fixedly connected inside the water retaining sill; the first bridge is fixedly connected to the side end of the bridge wall; a fireproof board is arranged inside the water retaining sill; and a positioning unit is arranged on the first bridge.

[0008] As a further solution of the present utility model: The positioning unit includes a limiting plate; the limiting plate is fixedly installed on the bottom side of the first bridge frame; a positioning insertion rod is rotatably connected inside the limiting plate; a connecting positioning rod is threadedly connected to the top end of the positioning insertion rod.

[0009] As a further solution of the present utility model: A connecting plate is connected to the side end of the first bridge frame; a reinforcing plate is fixedly connected to the side end of the connecting plate; the reinforcing plate is installed at the bottom end of the first bridge frame; a plurality of bolts are installed inside the reinforcing plate.

[0010] As a further solution of the present utility model: The fireproof board is fixedly connected inside the water retaining sill; the fireproof board is arranged on one side of the bridge frame wall; rock wool is filled inside the fireproof board.

[0011] As a further solution of the present utility model: A limiting plate is fixedly connected to the bottom end of the first bridge frame; the limiting plate is fixedly connected to one side of the limiting plate.

[0012] As a further solution of the present utility model: A second bridge frame is installed on the inner side wall of the connecting plate; a positioning magnet plate is fixedly connected to the inner side wall of the connecting plate, and the positioning magnet plate is arranged at the side end of the second bridge frame.

[0013] The beneficial effects of the present utility model:

[0014] The water retaining sill can replace the traditional waterproof sill, eliminating the need for secondary masonry of the waterproof sill in the electrical well by the civil engineering. It enables prefabrication by the manufacturer and mass production, saving the time for on-site processing and fabrication. There can be no hot work and no welding operations on-site, with simple construction and convenient operation. Rock wool is filled inside the fireproof board. Rock wool is a common heat-insulating material with excellent heat insulation, sound insulation, and fireproof performance. The fireproof performance of the water retaining sill can be improved through the fireproof board, and the water retaining sill combines the functions of fireproof plugging and waterproof sill. Description of the Drawings

[0015] The following further illustrates the present utility model with reference to the drawings.

[0016] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 It is a three-dimensional view of the structure of the limiting plate in the present utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the fireproof board in the present utility model;

[0019] In the figure: 1, water retaining sill; 2, first bridge frame; 3, fireproof board; 4, bridge frame wall; 5, second bridge frame; 6, connecting plate; 7, reinforcing plate; 8, limiting plate; 9, limiting plate; 10, connecting positioning rod; 11, positioning insertion rod. Detailed implementation mode

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

[0021] As Figures 1-3 shown, a special sleeve device for a bridge bus duct passing through a floor slab includes a water retaining sill 1; a first bridge 2 is fixedly connected to the side end of the water retaining sill 1; a bridge wall 4 is fixedly connected inside the water retaining sill 1; the first bridge 2 is fixedly connected to the side end of the bridge wall 4; a fireproof board 3 is arranged inside the water retaining sill 1; a positioning unit is arranged on the first bridge 2.

[0022] During operation, the water retaining sill 1 can replace the traditional waterproof sill, eliminating the need for secondary masonry of the waterproof sill in the electrical well by the civil engineering, realizing prefabrication by the manufacturer and mass production, saving the time for on-site processing and production, and there can be no hot work and welding operations on-site, with simple construction and convenient operation.

[0023] The positioning unit includes a limiting plate 8; the limiting plate 8 is fixedly installed at the bottom side of the first bridge 2; a positioning insertion rod 11 is rotatably connected inside the limiting plate 8; a connecting positioning rod 10 is threadedly connected to the top end of the positioning insertion rod 11.

[0024] Before work, the water retaining sill 1 and the first bridge 2 are connected and fixed, the connecting positioning rod 10 is installed and fixed on the wall panel, then the limiting plate 8 is placed at the bottom end of the first bridge 2, the positioning insertion rod 11 passes through the limiting plate 8 and is aligned with the bottom end of the connecting positioning rod 10, and the positioning insertion rod 11 is threadedly connected to the connecting positioning rod 10. The position of the positioning insertion rod 11 is limited by the connecting positioning rod 10, thereby limiting the position of the limiting plate 8, and further limiting the position of the first bridge 2. When the water retaining sill 1 and the first bridge 2 need to be maintained, the positioning insertion rod 11 can be rotated and disassembled.

[0025] A connecting plate 6 is connected to the side end of the first bridge 2; a reinforcing plate 7 is fixedly connected to the side end of the connecting plate 6; the reinforcing plate 7 is installed at the bottom end of the first bridge 2; multiple groups of bolts are installed inside the reinforcing plate 7.

[0026] After the water retaining sill 1 and the first bridge 2 are connected and installed, connect the connecting plate 6 to the first bridge 2. The connecting plate 6 is fixed to the first bridge 2 by installing multiple groups of bolts on the reinforcing plate 7. Then install the second bridge 5 at the other end of the connecting plate 6, so that the upper and lower surfaces of the reinforcing plate 7 on the side end of the connecting plate 6 are in contact with the second bridge 5, and connect and fix them with multiple groups of bolts, which facilitates the connection and fixation of the first bridge 2 and the second bridge 5.

[0027] The fireproof board 3 is fixedly connected inside the water retaining sill 1, and the fireproof board 3 is arranged on one side of the bridge wall 4; rock wool is filled inside the fireproof board 3.

[0028] Rock wool is filled inside the fireproof board 3. Rock wool is a common heat insulating material, and rock wool has excellent heat insulation, sound insulation and fireproof performance. The fireproof performance of the water retaining sill 1 can be improved through the fireproof board 3, and the water retaining sill 1 combines the functions of fireproof plugging and waterproof sill.

[0029] A limiting plate 9 is fixedly connected to the bottom end of the first bridge 2; the limiting plate 9 is fixedly connected to one side of the defining plate 8.

[0030] Before the defining plate 8 is installed, the position of the defining plate 8 can be limited through the limiting plate 9, avoiding the random sliding of the position of the defining plate 8, which affects the installation work of the first bridge 2 and the defining plate 8. It is more convenient to install and connect the first bridge 2 through the limiting plate 9.

[0031] The second bridge 5 is installed on the inner side wall of the connecting plate 6; a positioning magnet plate is fixedly connected to the inner side wall of the connecting plate 6, and the positioning magnet plate is arranged at the side end of the second bridge 5.

[0032] When the second bridge 5 is installed, it will be inserted into the inside of the connecting plate 6. At this time, the second bridge 5 is adsorbed by the magnetic attraction of the positioning magnet plate inside the connecting plate 6, which is convenient for assisting in positioning the position of the second bridge 5 and facilitating the subsequent installation and fixation work of the reinforcing plate 7 on the second bridge 5.

[0033] Working principle of the utility model: Before work, connect and fix the water retaining sill 1 and the first bridge 2, install and fix the connection positioning rod 10 on the wall panel, then place the limiting plate 8 at the bottom end of the first bridge 2, so that the positioning insertion rod 11 passes through the limiting plate 8 and aligns with the bottom end of the connection positioning rod 10. The positioning insertion rod 11 is threadedly connected with the connection positioning rod 10. The position of the positioning insertion rod 11 is limited by the connection positioning rod 10, so as to limit the position of the limiting plate 8, and further limit the position of the first bridge 2. When the positions of the water retaining sill 1 and the first bridge 2 need to be maintained, just rotate and disassemble the positioning insertion rod 11; before installing the limiting plate 8, the position of the limiting plate 8 can be limited by the limiting plate 9, avoiding the random sliding of the position of the limiting plate 8 and affecting the installation work of the first bridge 2 and the limiting plate 8. It is more convenient to install and connect the first bridge 2 through the limiting plate 9; during work, the water retaining sill 1 can replace the traditional waterproof sill, eliminating the need for secondary masonry of the waterproof sill in the electrical well by civil engineering, realizing prefabrication by the manufacturer and mass production, saving the time of on-site processing and production. There can be no hot work and no welding operation on site, and the construction is simple and the operation is convenient; the inside of the fireproof board 3 is filled with rock wool, which is a common heat-insulating material. Rock wool has excellent heat insulation, sound insulation and fireproof performance. The fireproof performance of the water retaining sill 1 can be improved through the fireproof board 3. The water retaining sill 1 combines the functions of fireproof plugging and waterproof sill with the fireproof board 3; after the water retaining sill 1 and the first bridge 2 are connected and installed, connect the connecting plate 6 with the first bridge 2. The connecting plate 6 is fixed to the first bridge 2 by installing multiple groups of bolts on the reinforcing plate 7. Then install the second bridge 5 at the other end of the connecting plate 6, so that the upper and lower surfaces of the reinforcing plate 7 on the side end of the connecting plate 6 are attached to the second bridge 5, and they are connected and fixed by multiple groups of bolts, which is convenient to connect and fix the first bridge 2 and the second bridge 5; when the second bridge 5 is installed, it will be inserted into the inside of the connecting plate 6. At this time, the second bridge 5 is adsorbed by the magnetic attraction of the positioning magnet plate inside the connecting plate 6, which is convenient to assist in positioning the position of the second bridge 5 and convenient for the reinforcing plate 7 to carry out subsequent installation and fixing work on the second bridge 5.

[0034] The above has described an embodiment of the present utility model in detail, but the described content is only the preferred embodiment of the present utility model and cannot be considered as limiting the scope of implementation of the present utility model. All equivalent changes and improvements made according to the scope of application of the present utility model should still fall within the scope covered by the patent of the present utility model.

Claims

1. A special casing device for a bridge bus duct to pass through a floor slab, characterized in that: The invention comprises a water retaining platform (1); a first bridge frame (2) is fixedly connected to the side end of the water retaining platform (1); a bridge frame wall (4) is fixedly connected to the inside of the water retaining platform (1); the first bridge frame (2) is fixedly connected to the side end of the bridge frame wall (4); a fireproof board (3) is provided inside the water retaining platform (1); and a positioning unit is provided on the first bridge frame (2).

2. A special casing device for bus duct passing through floor slab according to claim 1, characterized in that: The positioning unit comprises a limiting plate (8); the limiting plate (8) is fixedly mounted on the bottom side of the first bridge frame (2); a positioning rod (11) is rotatably connected inside the limiting plate (8); and a connecting positioning rod (10) is threadedly connected to the top end of the positioning rod (11).

3. A special casing device for bridge bus duct passing through floor slab according to claim 1, characterized in that: The side end of the first bridge frame (2) is connected to a connecting plate (6); the side end of the connecting plate (6) is fixedly connected to a reinforcing plate (7); the reinforcing plate (7) is installed at the bottom end of the first bridge frame (2); and a plurality of groups of bolts are installed inside the reinforcing plate (7).

4. A special casing device for bridge bus duct passing through floor slab according to claim 1, characterized in that: The fireproof board (3) is fixedly connected to the inside of the water retaining platform (1), and the fireproof board (3) is arranged on one side of the bridge frame wall (4); the inside of the fireproof board (3) is filled with rock wool.

5. The special casing device for bridge bus duct passing through floor slab according to claim 1 is characterized in that: The bottom end of the first bridge (2) is fixedly connected to a limiting plate (9); the limiting plate (9) is fixedly connected to one side of the limiting plate (8).

6. A special casing device for bridge bus duct passing through floor slab according to claim 3, characterized in that: The inner side wall of the connecting plate (6) is installed with a second bridge frame (5); the inner side wall of the connecting plate (6) is fixedly connected with a positioning magnet plate, and the positioning magnet plate is arranged at the side end of the second bridge frame (5).