CN214784856U - Bridge fireproof plugging device - Google Patents
Bridge fireproof plugging device Download PDFInfo
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- CN214784856U CN214784856U CN202121237718.4U CN202121237718U CN214784856U CN 214784856 U CN214784856 U CN 214784856U CN 202121237718 U CN202121237718 U CN 202121237718U CN 214784856 U CN214784856 U CN 214784856U
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- fireproof
- sealing plate
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- rock wool
- sealing
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Abstract
The utility model discloses a crane span structure fire prevention plugging device contains connects in the entrance to a cave department cable of floor and/or wall body, cable cross-under and stretches out the crane span structure of entrance to a cave, connects in the fire prevention rock wool layer between crane span structure and entrance to a cave wall, connects in the fire prevention mud layer between fire prevention rock wool layer and entrance to a cave wall and connects in the first shrouding and the second shrouding of entrance to a cave both sides. The utility model can effectively solve the problem of overlarge weight of the plugging part by utilizing the fireproof rock wool layer and the fireproof mud layer, and reduce the potential safety hazard; the sealing plates are connected, installed and applied as light steel plates; through the application of the connecting piece and the anchor piece, double fixing of the sealing plates is facilitated, and the connection of the sealing plates and the effectiveness of bearing force are conveniently ensured; through the setting of locating lever, the shrouding location when doing benefit to the installation to and make shrouding and fire prevention rock wool layer and fire prevention mud layer more have the wholeness through the locating lever.
Description
Technical Field
The utility model belongs to the technical field of the construction, in particular to crane span structure fire prevention plugging device.
Background
The fireproof plugging is to use fireproof plugging material to seal a cable to pass through a wall or a floor slab to form a hole, and the fireproof plugging material is used for preventing a fire from spreading to an area adjacent to a source of goods, so that the aim of protecting the safety of personnel and equipment is fulfilled. The principle of the fireproof plugging is that the plugging material plays roles of expansion, heat absorption and heat insulation, expands when meeting fire to seal gaps left by combustion of combustible materials, and absorbs heat to reduce the temperature of a back fire surface of a penetrating object. The conventional floor hole fireproof construction process is to adopt a fireproof gypsum board as a bottom plate to seal a floor hole, and fireproof plugs such as fireproof bags are filled in the hole. The plugging construction is complicated, and the dead weight of the fireproof gypsum is too large, so that safety accidents can be caused; in addition, the connection is not easy to fix.
SUMMERY OF THE UTILITY MODEL
The utility model provides a crane span structure fire prevention plugging device for solve current crane span structure convenient light shutoff when the entrance to a cave cross-under, shutoff when effective fixed and location connect technical problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a bridge fireproof plugging device comprises cables connected to a hole of a floor slab and/or a wall body, a bridge with the cables penetrating through and extending out of the hole, a fireproof rock wool layer connected between the bridge and the hole wall, a fireproof mud layer connected between the fireproof rock wool layer and the hole wall, and a first sealing plate and a second sealing plate connected to two sides of the hole;
the second sealing plate connected with the lower part of the floor slab and one side of the wall body is detachably connected with the bridge through a connecting piece;
the second sealing plate of the floor slab and the floor slab structure body can be detachably connected with an anchor;
the first sealing plate and/or the second sealing plate of the wall body and the fireproof rock wool layer are/is connected with a positioning piece.
Further, the bottom of fire prevention rock wool layer flushes with the bottom of floor, and fire prevention mud layer is connected at fire prevention rock wool top, 20mm is no less than on the fire prevention mud layer.
Furthermore, the fireproof mud layer is connected to the fireproof rock wool layer both sides of the entrance to a cave department of wall body, and the fireproof rock wool layer is connected with the setting element in advance.
Furthermore, the positioning piece is a rod piece, and the length of the positioning piece extending out of the fireproof mud layer is at least half of the thickness of the first sealing plate and the second sealing plate; or the positioning piece extends out of the first sealing plate and the second sealing plate and is detachably connected with the first sealing plate and the second sealing plate through bolts.
Further, first shrouding and second shrouding are galvanized fire prevention steel sheet, wherein the second shrouding intensity adaptation superstructure weight in floor department.
Furthermore, the side face of the bridge frame corresponding to the first sealing plate and/or the second sealing plate is connected with a bridging plate, and the bridging plate is detachably connected with the bridge frame.
Furthermore, the bridge connecting plate is a right-angle angular part, one vertical edge of the bridge connecting plate is detachably connected with the bridge frame, and the other vertical edge of the bridge connecting plate corresponds to the first sealing plate and/or the second sealing plate; the bridging plate is correspondingly connected with a rough surface or a sealing gasket.
Furthermore, the connecting piece is a rod piece, a threaded section is arranged on one side of the connecting piece connected with the rock wool, and a smooth rod or a threaded rod is arranged on the side connected with the first sealing plate and the second sealing plate; and a shock absorption pad is connected between the connecting piece and the first sealing plate and between the connecting piece and the second sealing plate.
Furthermore, the anchor part is connected to the floor and the wall in advance, and the end part of the anchor part is in threaded section and is in bolt fixed connection with the first sealing plate and the second sealing plate.
The beneficial effects of the utility model are embodied in:
1) the utility model can effectively solve the problem of overlarge weight of the plugging part by utilizing the fireproof rock wool layer and the fireproof mud layer, and reduce the potential safety hazard; the sealing plates are connected, installed and applied as light steel plates;
2) the utility model is beneficial to double fixing the sealing plates through the application of the connecting piece and the anchor piece, and is convenient to ensure the connection of the sealing plates and the effectiveness of force bearing;
3) the utility model is beneficial to the positioning of the sealing plate during installation by arranging the positioning rod, and the sealing plate, the fireproof rock wool layer and the fireproof mud layer have integrity through the positioning rod;
additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention; the primary objects and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description.
Drawings
FIG. 1 is a schematic view of a bridge fireproof plugging device at a floor opening;
FIG. 2 is a schematic view of a bridge fireproof plugging device at a wall opening;
FIG. 3 is a schematic view of the installation of the bridge at the wall;
FIG. 4 is a schematic view of the bridge and bridge plate connection;
fig. 5 is a schematic view of the bridge and the sealing plate.
Reference numerals: 1-floor slab, 2-fireproof rock wool layer, 3-fireproof mud layer, 4-first sealing plate, 5-second sealing plate, 6-connecting piece, 7-bridge frame, 8-cable, 9-anchor piece, 10-positioning piece, 11-wall body, 12-bridge connecting plate and 13-shock pad.
Detailed Description
Taking a vertical opening of a floor slab 1 and a horizontal opening of a wall 11 as an example, as shown in fig. 1 to 5, a bridge 7 fireproof plugging device comprises a cable 8 connected to the opening of the floor slab 1 and/or the wall 11, a bridge 7 through which the cable 8 passes and extends out of the opening, a fireproof rock wool layer 2 connected between the bridge 7 and the opening wall, a fireproof mud layer 3 connected between the fireproof rock wool layer 2 and the opening wall, and a first sealing plate 4 and a second sealing plate 5 connected to both sides of the opening.
As shown in fig. 1. The second sealing plate 5 connected with the lower part of the floor slab 1 and one side of the wall body 11 is detachably connected with the bridge frame 7 through a connecting piece 6; the second sealing plate 5 of the floor slab 1 and the floor slab 1 structural body are also detachably connected with an anchor 9. The bottom of 2 bottoms on fire prevention rock wool layers flushes with the bottom of floor 1, and fire prevention mud layer 3 is connected at fire prevention rock wool top, 20mm is no less than on fire prevention mud layer 3. Anchor 9 is pre-attached to floor 1 and wall 11 and anchor 9 is threaded for bolting to first and second closure panels 4 and 5.
As shown in fig. 2 and 3, the wall 11 is provided with a positioning member 10 connected with the first sealing plate 4 and/or the second sealing plate 5 and the fireproof rock wool layer 2. Fireproof mud layer 3 is connected to the entrance to a cave department fireproof rock wool layer 2 both sides of wall body 11, and fireproof rock wool layer 2 is connected with setting element 10 in advance.
In this embodiment, the positioning member 10 is a rod member, and the length of the positioning member 10 extending out of the fireproof mud layer 3 is at least half of the thickness of the first sealing plate 4 and the second sealing plate 5; or the positioning member 10 extends out of the first closing plate 4 and the second closing plate 5 and is detachably connected through bolts.
In this embodiment, first shrouding 4 and second shrouding 5 are galvanized fire-resistant steel plate, wherein the superstructure weight is adapted to in second shrouding 5 intensity at floor 1 department.
As shown in fig. 4 and 5, a bridging plate 12 is connected to the side of the bridge 7 corresponding to the first closing plate 4 and/or the second closing plate 5, and the bridging plate 12 is connected to the bridge 7 by bolts or threads.
In this embodiment, the bridging plate 12 is a steel right-angle, one of the vertical sides is connected to the bridge 7 by screw threads, and the other vertical side corresponds to the first closing plate 4 and/or the second closing plate 5. The bridge plate 12 is correspondingly provided with a rough surface or a sealing gasket.
In this embodiment, the connecting piece 6 is a steel rod piece, one side of the connecting piece connected with the rock wool is a threaded section, and the side connected with the first sealing plate 4 and the second sealing plate 5 is a smooth rod or a threaded rod; a shock-absorbing pad 13 is connected between the connecting piece 6 and the first closing plate 4 and the second closing plate 5.
Compared with the traditional fireproof plugging construction, the device adopts the first sealing plate, the fireproof rock wool, the fireproof mud and the second sealing plate as the fireproof plugging of the opening of the electric floor slab; because the easy filling of slight position of rock wool soft characteristic is closely knit, add the fire prevention cotton that the quality is lighter and replace fire prevention mud or fire prevention pillow in the entrance to a cave, both guaranteed the fire prevention shutoff requirement of electric floor entrance to a cave and made the PLASTIC LAMINATED bearing that the shutoff finished reduce, use galvanized steel sheet to do the bottom sprag and increased support strength, eliminated the construction and accomplished the back, the potential safety hazard and the 11 entrances to a cave of wall body of 1 entrance to a cave accident that falls have stronger fixed wholeness. The device has the advantages of easy operation, low manufacturing cost, high one-time construction qualification rate, low repair rate and the like, thereby having great popularization value in the fireproof plugging construction of the electrical portal of the residential building.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be considered by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (9)
1. A bridge fireproof plugging device is characterized by comprising a cable (8) connected to a hole of a floor (1) and/or a wall (11), a bridge (7) with the cable (8) connected in a penetrating manner and extending out of the hole, a fireproof rock wool layer (2) connected between the bridge (7) and the wall of the hole, a fireproof mud layer (3) connected between the fireproof rock wool layer (2) and the wall of the hole, and a first sealing plate (4) and a second sealing plate (5) connected to two sides of the hole;
the second sealing plate (5) connected with the lower part of the floor (1) and one side of the wall (11) is detachably connected with the bridge (7) through a connecting piece (6); the second sealing plate (5) of the floor slab (1) and the structural body of the floor slab (1) can be detachably connected with an anchor (9);
and the first sealing plate (4) and/or the second sealing plate (5) of the wall body (11) and the fireproof rock wool layer (2) are/is connected with a positioning piece (10).
2. The bridge frame fireproof sealing device of claim 1, wherein the bottom of the fireproof rock wool layer (2) is flush with the bottom of the floor slab (1), the top of the fireproof rock wool layer is connected with the fireproof mud layer (3), and the fireproof mud layer (3) is not less than 20 mm.
3. The bridge frame fireproof sealing device as claimed in claim 1, wherein the fireproof rock wool layer (2) at the opening of the wall body (11) is connected with fireproof mud layers (3) on both sides, and the fireproof rock wool layer (2) is connected with the positioning piece (10) in advance.
4. A bridge frame fireproof sealing device as claimed in claim 1, wherein the positioning members (10) are rod members, and the length of the positioning members (10) extending out of the fireproof mud layer (3) is at least half of the thickness of the first sealing plate (4) and the second sealing plate (5); or the positioning piece (10) extends out of the first closing plate (4) and the second closing plate (5) and is detachably connected through a bolt.
5. A bridge fire-blocking device as claimed in claim 1, wherein the first and second sealing plates (4, 5) are made of galvanized fire-resistant steel, and wherein the strength of the second sealing plate (5) at the floor (1) is adapted to the weight of the superstructure.
6. The bridge fireproof sealing device of claim 1, wherein a bridging plate (12) is connected to the side of the bridge (7) corresponding to the first sealing plate (4) and/or the second sealing plate (5), and the bridging plate (12) is detachably connected to the bridge (7).
7. A bridge fireproof sealing device according to claim 6, wherein the bridging plate (12) is a right angle, one vertical side of which is detachably connected to the bridge (7) and the other vertical side of which corresponds to the first sealing plate (4) and/or the second sealing plate (5); the bridge connection plate (12) is correspondingly provided with a rough surface or a sealing gasket in a connecting way.
8. The bridge frame fireproof sealing device as claimed in claim 1, wherein the connecting piece (6) is a rod piece, the side connected with the rock wool is a threaded section, and the side connected with the first sealing plate (4) and the second sealing plate (5) is a smooth rod or a threaded rod; and a shock absorption pad (13) is connected between the connecting piece (6) and the first sealing plate (4) and the second sealing plate (5).
9. A bridge frame fire-resistant sealing device as claimed in claim 1, wherein said anchor (9) is pre-attached to the floor (1) and wall (11), the end of the anchor (9) being in threaded connection with the first sealing plate (4) and the second sealing plate (5) by bolting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121237718.4U CN214784856U (en) | 2021-06-04 | 2021-06-04 | Bridge fireproof plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121237718.4U CN214784856U (en) | 2021-06-04 | 2021-06-04 | Bridge fireproof plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214784856U true CN214784856U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121237718.4U Active CN214784856U (en) | 2021-06-04 | 2021-06-04 | Bridge fireproof plugging device |
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| CN (1) | CN214784856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142674A (en) * | 2022-07-05 | 2022-10-04 | 中国建筑第八工程局有限公司 | Connecting structure of through-wall bridge and construction method thereof |
-
2021
- 2021-06-04 CN CN202121237718.4U patent/CN214784856U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142674A (en) * | 2022-07-05 | 2022-10-04 | 中国建筑第八工程局有限公司 | Connecting structure of through-wall bridge and construction method thereof |
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