CN211900700U - Tunnel guard gate anticreep chain and wall body erection joint structure - Google Patents
Tunnel guard gate anticreep chain and wall body erection joint structure Download PDFInfo
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- CN211900700U CN211900700U CN202020344038.1U CN202020344038U CN211900700U CN 211900700 U CN211900700 U CN 211900700U CN 202020344038 U CN202020344038 U CN 202020344038U CN 211900700 U CN211900700 U CN 211900700U
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- angle steel
- galvanized steel
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Abstract
The utility model provides a connecting structure for installing a tunnel protective door anticreep chain and a wall body, which comprises a wall body, a galvanized steel sheet, angle steel, a cement mortar protective layer, an anchoring bolt, a locking bolt and an anticreep chain; the wall body is of a reinforced concrete structure, bolt holes are uniformly formed in the galvanized steel plate, the galvanized steel plate is a rectangular steel plate profile, the galvanized steel plate is fixed on the wall body by adopting double rows of anchoring bolts, and angle steel is fixed on the galvanized steel plate; the angle steel is symmetrically arranged on the galvanized steel sheet, bolt holes with the same specification as the galvanized steel sheet are formed in the angle steel, the angle steel on two sides is matched with double rows of anchor bolts, the angle steel on two sides is welded on the galvanized steel sheet at the same time, a through hole is formed in the middle of the other end of the angle steel, locking bolts are arranged on the angle steel on two sides through the through hole, an anti-falling chain is sleeved on locking bolt screws between the angle steel on two sides, cement mortar protective layers are arranged on wall bodies beside the angle steel on two sides, and the edges of the galvanized steel sheet.
Description
Technical Field
The utility model relates to a guard gate anticreep chain installation field especially relates to a tunnel guard gate anticreep chain and wall body erection joint structure.
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 tunnel protection door is generally provided with an anti-drop chain, one end of the anti-drop chain is fixed with the protection door, and the other end of the anti-drop chain is fixed with a wall body; the existing anti-drop chain is generally anchored with a wall body by directly drilling or is fixedly connected with an embedded part, the drilling connection firmness is poor, the embedded part needs to be accurately positioned, otherwise, the anti-drop chain cannot be utilized, and the anti-drop chain and the wall body are troublesome to disassemble.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a tunnel guard gate anticreep chain and wall body erection joint structure, adopt the utility model discloses a structure is fixed anticreep chain on locking bolt, and locking bolt fixes on the angle steel of both sides, and the angle steel welding is fixed on galvanized steel sheet and adopts anchor bolt with galvanized steel sheet, and structural strength is higher, and the fastness is good, and fixed position can be confirmed according to on-the-spot actual conditions, can conveniently prevent that fire door dismantles the maintenance.
In order to achieve the above object, the utility model adopts the following technical scheme: a connecting structure for mounting an anti-drop chain and a wall body of a tunnel protective door comprises the wall body, a galvanized steel plate, angle steel, a cement mortar protective layer, an anchoring bolt, a locking bolt and the anti-drop chain; the wall body is of a reinforced concrete structure, bolt holes are uniformly formed in the galvanized steel plate, the galvanized steel plate is a rectangular steel plate profile, the galvanized steel plate is fixed on the wall body by adopting double rows of anchoring bolts, and angle steel is fixed on the galvanized steel plate; the angle steel is symmetrically arranged on the galvanized steel sheet, bolt holes with the same specification as the galvanized steel sheet are formed in the angle steel, the angle steel on two sides is matched with double rows of anchor bolts, the angle steel on two sides is welded on the galvanized steel sheet at the same time, a through hole is formed in the middle of the other end of the angle steel, locking bolts are arranged on the angle steel on two sides through the through hole, an anti-falling chain is sleeved on locking bolt screws between the angle steel on two sides, cement mortar protective layers are arranged on wall bodies beside the angle steel on two sides, and the edges of the galvanized steel sheet.
Preferably, the anchor bolt is a C-class hexagon head bolt with a specification of M16 × 100, and the locking bolt is a C-class hexagon head bolt with a specification of M16 × 70.
Preferably, the angle steel should be fully welded to the galvanized steel sheet throughout the length and should be coated with a rust-proof paint layer.
Preferably, the galvanized steel plate has a thickness of 20 mm.
The utility model has the advantages that: adopt the utility model discloses a structure will prevent that the anticreep chain is fixed on locking bolt, and locking bolt fixes on the angle steel of both sides, and the angle steel welding adopts anchor bolt fixed on galvanized steel sheet and with galvanized steel sheet, and structural strength is higher, and the fastness is good, and fixed position can be confirmed according to on-the-spot actual conditions, can conveniently prevent that fire door dismantles the maintenance.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention.
Fig. 1 is a schematic view of a connecting structure for mounting a drop-proof chain and a wall body of a tunnel protection door.
Wherein: 1 is a wall body, 2 is a galvanized steel plate, 3 is angle steel, 4 is a cement mortar protective layer, 5 is an anchor bolt, 6 is a locking bolt, and 7 is an anti-drop chain.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the figure, the anti-drop chain and wall installation and connection structure for the tunnel protection door comprises a wall 1, a galvanized steel plate 2, angle steel 3, a cement mortar protective layer 4, an anchor bolt 5, a locking bolt 6 and an anti-drop chain 7; the wall body 1 is of a reinforced concrete structure, bolt holes are uniformly formed in the galvanized steel sheet 2, the galvanized steel sheet 2 is a rectangular steel sheet profile, the galvanized steel sheet 2 is fixed on the wall body 1 through double rows of anchor bolts 5, and angle steel 3 is fixed on the galvanized steel sheet 2; the angle steel 3 symmetry sets up two on galvanized steel sheet 2, be equipped with the bolt hole the same with galvanized steel sheet 2 specification on the angle steel 3, both sides angle steel 3 cooperatees with double anchor bolt 5, both sides angle steel 3 welds simultaneously on galvanized steel sheet 2, the middle part is equipped with the through hole on the angle steel 3 other end, be equipped with locking bolt 6 through the through hole on the angle steel 3 of both sides, anticreep chain 7 cover is on the locking bolt 6 screw rod between the angle steel of both sides, be equipped with cement mortar protective layer 4 on the other wall body 1 of both sides angle steel 3, cement mortar protective layer 4 covers galvanized steel sheet 2 and angle steel 3 edge.
In specific implementation, the anchoring bolt 5 is a C-grade hexagon head bolt with a specification of M16 × 100, and the locking bolt 6 is a C-grade hexagon head bolt with a specification of M16 × 70.
In specific implementation, the angle steel 3 and the galvanized steel sheet 2 are welded in full length and coated with an anti-rust paint layer.
In specific implementation, the thickness of the galvanized steel sheet 2 is 20 mm.
Claims (4)
1. The utility model provides a tunnel guard gate anticreep chain and wall body erection joint structure which characterized in that: comprises a wall body, a galvanized steel plate, angle steel, a cement mortar protective layer, an anchoring bolt, a locking bolt and an anti-drop chain; the wall body is of a reinforced concrete structure, bolt holes are uniformly formed in the galvanized steel plate, the galvanized steel plate is a rectangular steel plate profile, the galvanized steel plate is fixed on the wall body by adopting double rows of anchoring bolts, and angle steel is fixed on the galvanized steel plate; the angle steel is symmetrically arranged on the galvanized steel sheet, bolt holes with the same specification as the galvanized steel sheet are formed in the angle steel, the angle steel on two sides is matched with double rows of anchor bolts, the angle steel on two sides is welded on the galvanized steel sheet at the same time, a through hole is formed in the middle of the other end of the angle steel, locking bolts are arranged on the angle steel on two sides through the through hole, an anti-falling chain is sleeved on locking bolt screws between the angle steel on two sides, cement mortar protective layers are arranged on wall bodies beside the angle steel on two sides, and the edges of the galvanized steel sheet.
2. The installation and connection structure of the drop-proof chain and the wall body of the tunnel protection door according to claim 1, characterized in that: the anchoring bolt is a C-grade hexagon head bolt with the specification of M16 multiplied by 100, and the locking bolt is a C-grade hexagon head bolt with the specification of M16 multiplied by 70.
3. The installation and connection structure of the drop-proof chain and the wall body of the tunnel protection door according to claim 1, characterized in that: the angle steel should be fully welded with the galvanized steel plate for the full length and should be coated with an anti-rust paint layer.
4. The installation and connection structure of the drop-proof chain and the wall body of the tunnel protection door according to claim 1, characterized in that: the thickness of the galvanized steel plate is 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020344038.1U CN211900700U (en) | 2020-03-18 | 2020-03-18 | Tunnel guard gate anticreep chain and wall body erection joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020344038.1U CN211900700U (en) | 2020-03-18 | 2020-03-18 | Tunnel guard gate anticreep chain and wall body erection joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211900700U true CN211900700U (en) | 2020-11-10 |
Family
ID=73268249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020344038.1U Active CN211900700U (en) | 2020-03-18 | 2020-03-18 | Tunnel guard gate anticreep chain and wall body erection joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211900700U (en) |
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2020
- 2020-03-18 CN CN202020344038.1U patent/CN211900700U/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: 20230105 Address after: 200540 No. 1302, Caolang Road, Caojing Town, Jinshan District, Shanghai Patentee after: Shanghai Songyang civil defense engineering equipment Co.,Ltd. Address before: Room 505, No. 2, Phase II, Wall International, Xiaguang Village, Luoyang Town, Hui'an County, Quanzhou City, Fujian Province, 362100 Patentee before: Huian FengChen advertising design department |
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| TR01 | Transfer of patent right |