CN215443800U - Upper and lower installation connecting structure of anchoring type tunnel fireproof door - Google Patents
Upper and lower installation connecting structure of anchoring type tunnel fireproof door Download PDFInfo
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- CN215443800U CN215443800U CN202121413465.1U CN202121413465U CN215443800U CN 215443800 U CN215443800 U CN 215443800U CN 202121413465 U CN202121413465 U CN 202121413465U CN 215443800 U CN215443800 U CN 215443800U
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- door
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- groove
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Abstract
The utility model provides an upper and lower installation connecting structure of an anchoring type tunnel fireproof door, which comprises a wall body, a ground foundation, a protective door, an upper door frame, an upper lock hole, a fireproof sealing strip, a locking tapered end, a groove, a lower door frame, a lower lock hole and a post-cast concrete filling layer, wherein the upper and lower installation connecting structure comprises a first-layer concrete filling layer, a second-layer concrete filling layer and a third-layer concrete filling layer; the wall body is of a reinforced concrete structure, a door opening is preset in the wall body, an upper door frame is arranged on a door on the outer side of the wall body at the top of the door opening and is formed by two angle steels which are symmetrically arranged up and down, the upper angle steel and the lower angle steel are of an integrated structure, the lower angle steel is aligned to the top surface of the door opening, the upper angle steel is uniformly fixed on the wall body by expansion bolts, and an upper lock hole is formed in the top of the upper door frame; a groove is preset on the ground foundation corresponding to the mounting position of the upper door frame, a lower door frame is fixed in the groove by adopting an expansion bolt, and a post-cast concrete filling layer is arranged in the groove; the top and the bottom of the protective door are respectively provided with a locking tapered end which can be inserted into the upper lock hole and the lower lock hole.
Description
Technical Field
The utility model relates to the field of tunnel protection doors, in particular to an upper and lower installation and connection structure of an anchoring type tunnel fireproof door.
Background
The tunnel protection door can resist the air pressure brought by the same train in the tunnel, so that the internal equipment is intact and is not damaged by air pressure shock waves. The door frame of the existing tunnel anchoring type protective door is generally directly fixed on a wall body and the ground by expansion bolts, is influenced by the pressure of tunnel air pressure, is easy to loosen, has poor structural stability, is poor in installation treatment and can not well resist air pressure impact.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an upper and lower installation connecting structure of an anchoring type tunnel fireproof door, aiming at the defects and shortcomings of the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that: an upper and lower installation connecting structure of an anchoring type tunnel fireproof door comprises a wall body, a ground foundation, a protective door, an upper door frame, an upper lock hole, a fireproof sealing strip, a locking tapered end, a groove, a lower door frame, a lower lock hole and a post-cast concrete filling layer; the wall body is of a reinforced concrete structure, a door opening is preset in the wall body, an upper door frame is arranged on a door on the outer side of the wall body at the top of the door opening and is formed by two angle steels which are symmetrically arranged up and down, the upper angle steel and the lower angle steel are of an integrated structure, the lower angle steel is aligned to the top surface of the door opening, the upper angle steel is uniformly fixed on the wall body by expansion bolts, and an upper lock hole is formed in the top of the upper door frame; a groove is preset on the ground foundation corresponding to the mounting position of the upper door frame, a lower door frame is fixed in the groove by adopting an expansion bolt and consists of an L-shaped cross-section-shaped component and a flat panel component, the flat panel component is fixed in the groove by adopting the expansion bolt, the short edge of the L-shaped cross-section-shaped component is vertically arranged and welded and fixed with the flat panel component, the long edge of the L-shaped cross-section-shaped component is horizontally arranged and is flush with the surface of the ground foundation, a lower lock hole is arranged on the bottom surface of the L-shaped cross-section-shaped component corresponding to the position of the upper lock hole, and the groove is provided with a post-cast concrete filling layer; the top and the bottom of the protective door are respectively provided with a locking tapered end which can be inserted into the upper lock hole and the lower lock hole.
Preferably, a fire-proof sealing strip is arranged between the top of the protective door and the lower angle steel of the upper door frame.
Preferably, the depth of the groove is 50 mm.
Preferably, the upper lock hole and the lower lock hole are both U-shaped steel grooves.
The utility model has the beneficial effects that: by adopting the structure of the utility model, the upper door frame formed by two angle steels which are symmetrically arranged up and down is adopted, the lower door frame is arranged in the preset groove and is matched with the post-cast concrete filling layer, the structure stability is strong, the connection is firm, the looseness is not easy, the installation and connection processing is good, and the air pressure impact can be well resisted.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model.
Fig. 1 is a schematic view of an upper and lower installation connection structure of an anchoring type tunnel fireproof door.
Wherein: 1 is a wall body, 2 is a ground foundation, 3 is a protective door, 4 is an upper door frame, 5 is an upper lock hole, 6 is a fireproof sealing strip, 7 is a locking tapered end, 8 is a groove, 9 is a lower door frame, 10 is a lower lock hole, 11 is a post-cast concrete filling layer, and 110 is a door opening.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the figure, the upper and lower installation and connection structure of the anchoring type tunnel fireproof door comprises a wall body 1, a ground foundation 2, a protective door 3, an upper door frame 4, an upper lock hole 5, a fireproof sealing strip 6, a locking lock head 7, a groove 8, a lower door frame 9, a lower lock hole 10 and a post-cast concrete filling layer 11; the wall body 1 is of a reinforced concrete structure, a door opening 110 is preset on the wall body 1, an upper door frame 4 is arranged on a door on the outer side of the wall body 1 at the top of the door opening 110, the upper door frame 4 is formed by two angle steels which are symmetrically arranged up and down, the upper angle steel and the lower angle steel are of an integrated structure, the lower angle steel is aligned with the top surface of the door opening 110, the upper angle steel is uniformly fixed on the wall body 1 by adopting expansion bolts, and an upper lock hole 5 is arranged at the top of the upper door frame 4; a groove 8 is preset on the ground foundation 2 corresponding to the mounting position of the upper door frame 4, a lower door frame 9 is fixed in the groove 8 by adopting an expansion bolt, the lower door frame 9 consists of an L-shaped cross-section-shaped member and a flat panel member, the flat panel member is fixed in the groove 8 by adopting an expansion bolt, the short edge of the L-shaped cross-section-shaped member is vertically arranged and welded and fixed with the flat panel member, the long edge of the L-shaped cross-section-shaped member is horizontally arranged and is flush with the surface of the ground foundation 2, a lower lock hole 10 is arranged on the bottom surface of the L-shaped cross-section-shaped member corresponding to the position of the upper lock hole 5, and a post-cast concrete filling layer 11 is arranged in the groove 8; the top and the bottom of the protective door 3 are provided with locking lock heads 7, and the locking lock heads 7 can be inserted into the upper lock hole 5 and the lower lock hole 10.
During specific implementation, a through-long fireproof sealing strip 6 is arranged between the top of the protective door 3 and angle steel of the upper door frame 4.
In specific implementation, the depth of the groove 8 is 50 mm.
In specific implementation, the upper lock hole 5 and the lower lock hole 10 are both U-shaped steel grooves.
Claims (4)
1. The utility model provides an upper and lower portion erection joint structure is prevented fire door in anchor formula tunnel which characterized in that: the door comprises a wall body, a ground foundation, a protective door, an upper door frame, an upper lock hole, a fireproof sealing strip, a locking tapered end, a groove, a lower door frame, a lower lock hole and a post-cast concrete filling layer; the wall body is of a reinforced concrete structure, a door opening is preset in the wall body, an upper door frame is arranged on a door on the outer side of the wall body at the top of the door opening and is formed by two angle steels which are symmetrically arranged up and down, the upper angle steel and the lower angle steel are of an integrated structure, the lower angle steel is aligned to the top surface of the door opening, the upper angle steel is uniformly fixed on the wall body by expansion bolts, and an upper lock hole is formed in the top of the upper door frame; a groove is preset on the ground foundation corresponding to the mounting position of the upper door frame, a lower door frame is fixed in the groove by adopting an expansion bolt and consists of an L-shaped cross-section-shaped component and a flat panel component, the flat panel component is fixed in the groove by adopting the expansion bolt, the short edge of the L-shaped cross-section-shaped component is vertically arranged and welded and fixed with the flat panel component, the long edge of the L-shaped cross-section-shaped component is horizontally arranged and is flush with the surface of the ground foundation, a lower lock hole is arranged on the bottom surface of the L-shaped cross-section-shaped component corresponding to the position of the upper lock hole, and the groove is provided with a post-cast concrete filling layer; the top and the bottom of the protective door are respectively provided with a locking tapered end which can be inserted into the upper lock hole and the lower lock hole.
2. The upper and lower installation-connecting structure of an anchored tunnel fire door according to claim 1, wherein: and a fire-proof sealing strip is arranged between the top of the protective door and the lower angle steel of the upper door frame.
3. The upper and lower installation-connecting structure of an anchored tunnel fire door according to claim 1, wherein: the depth of the groove is 50 mm.
4. The upper and lower installation-connecting structure of an anchored tunnel fire door according to claim 1, wherein: the upper lock hole and the lower lock hole are both U-shaped steel grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121413465.1U CN215443800U (en) | 2021-06-24 | 2021-06-24 | Upper and lower installation connecting structure of anchoring type tunnel fireproof door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121413465.1U CN215443800U (en) | 2021-06-24 | 2021-06-24 | Upper and lower installation connecting structure of anchoring type tunnel fireproof door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215443800U true CN215443800U (en) | 2022-01-07 |
Family
ID=79712965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121413465.1U Active CN215443800U (en) | 2021-06-24 | 2021-06-24 | Upper and lower installation connecting structure of anchoring type tunnel fireproof door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215443800U (en) |
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2021
- 2021-06-24 CN CN202121413465.1U patent/CN215443800U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230928 Address after: 211899 No. 2, Pukou Avenue, Jiangbei new area, Nanjing, Jiangsu Patentee after: Nanjing Traffic Operation Management Group Co.,Ltd. Address before: 221000 No. 3, west head of Shidai Avenue, economic development zone, Quanshan District, Xuzhou City, Jiangsu Province Patentee before: XUZHOU CITY TIANLAN OZONE EQUIPMENT CO.,LTD. |
|
| TR01 | Transfer of patent right |