CN212271978U - Anticreep chain installation node structure of tunnel guard gate - Google Patents
Anticreep chain installation node structure of tunnel guard gate Download PDFInfo
- Publication number
- CN212271978U CN212271978U CN202020342960.7U CN202020342960U CN212271978U CN 212271978 U CN212271978 U CN 212271978U CN 202020342960 U CN202020342960 U CN 202020342960U CN 212271978 U CN212271978 U CN 212271978U
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- steel plate
- angle
- bolt
- steel
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Abstract
The utility model provides a tunnel guard gate anticreep chain installation node structure, which comprises a guard gate, a reinforced steel plate, a fixing bolt, an installation steel plate, angle steel, a locking bolt and an anticreep chain; the protective door comprises an inner layer of galvanized steel sheet, an outer layer of galvanized steel sheet, a door framework and a rock wool plate layer arranged between the two layers of galvanized steel sheets and the door framework; bolt holes are uniformly formed in the mounting steel plate, a mounting steel plate penetrates through the protective door by adopting double rows of fixing bolts on one side of the protective door and is fixed, and one end of angle steel on the same side of the mounting steel plate is fixed on the mounting steel plate; the two angle steels are arranged, one end of each angle steel is provided with a bolt hole matched with the installation steel plate, the periphery of the end is welded on the installation steel plate at the same time, the middle part of the other end of each angle steel is provided with a through hole, the angle steels on two sides are provided with locking bolts through the through holes, and the anti-drop chain is sleeved on the locking bolt screw rods between the angle steels on two sides; and a reinforcing steel plate is further fixed on the other side of the protective door by the double rows of fixing bolts.
Description
Technical Field
The utility model relates to a guard gate anticreep chain installation field especially relates to a tunnel guard gate anticreep chain installation node 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 fixed with the protective door by directly adopting bolts, so that the anti-drop chain can produce concentrated pulling force on the protective door, the protective door can deform, and the firmness is poor.
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 installation node structure, adopt the utility model discloses a structure is equipped with installation steel sheet and enhancement steel sheet respectively in the guard gate both sides, can disperse and bear the pulling force that comes from the anticreep chain, and structural strength is better, and the fastness is high.
In order to achieve the above object, the utility model adopts the following technical scheme: a tunnel guard gate anticreep chain installation node structure comprises a guard gate, a reinforcing steel plate, a fixing bolt, an installation steel plate, angle steel, a locking bolt and an anticreep chain; the protective door comprises an inner layer of galvanized steel sheet, an outer layer of galvanized steel sheet, a door framework and a rock wool plate layer arranged between the two layers of galvanized steel sheets and the door framework; bolt holes are uniformly formed in the mounting steel plate, a mounting steel plate penetrates through the protective door by adopting double rows of fixing bolts on one side of the protective door and is fixed, and one end of angle steel on the same side of the mounting steel plate is fixed on the mounting steel plate; the two angle steels are arranged, one end of each angle steel is provided with a bolt hole matched with the installation steel plate, the periphery of the end is welded on the installation steel plate at the same time, the middle part of the other end of each angle steel is provided with a through hole, the angle steels on two sides are provided with locking bolts through the through holes, and the anti-drop chain is sleeved on the locking bolt screw rods between the angle steels on two sides; the guard gate opposite side is still fixed with the reinforcing steel plate by double fixing bolt, and the reinforcing steel plate is the same with the size specification of installation steel plate.
Preferably, the fixing bolt is a C-class hexagon head bolt with the specification of M16 × 130, and the locking bolt is a C-class hexagon head bolt with the specification of M16 × 70.
Preferably, the angle steel and the installation steel plate are welded in full length and coated with an anti-rust paint layer.
Preferably, the thickness of the reinforcing steel plate and the thickness of the mounting steel plate are 20 mm.
The utility model has the advantages that: adopt the utility model discloses a structure is equipped with installation steel sheet and stiffened steel plate respectively in guard gate both sides, can disperse and bear the pulling force that comes from the anticreep chain, and structural strength is better, and the fastness is high.
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 structural diagram of a drop-chain-preventing installation node of a tunnel protection door.
Wherein: 1 is protective door, 2 is the reinforcing steel plate, 3 is fixing bolt, 4 is the installation steel sheet, 5 is the angle steel, 6 is the locking bolt, 7 is anticreep chain, 11 is the galvanized steel sheet, 12 is the door frame, 13 is the rock wool slab layer.
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 installation node structure of the tunnel protection door comprises a protection door 1, a reinforcing steel plate 2, a fixing bolt 3, an installation steel plate 4, angle steel 5, a locking bolt 6 and an anti-drop chain 7; the protective door 1 comprises an inner galvanized steel sheet layer 11, an outer galvanized steel sheet layer 11, a door framework 12 and a rock wool board layer 13 arranged between the two galvanized steel sheets 11 and the door framework 12; bolt holes are uniformly formed in the mounting steel plate 4, the mounting steel plate 4 is fixed on one side of the protective door 1 by adopting double rows of fixing bolts 3 to penetrate through the protective door 1, and one end of an angle steel 5 on the same side of the mounting steel plate 4 is fixed on the mounting steel plate 4; the angle steel 5 is provided with two angle steels, one end of each angle steel 5 is provided with a bolt hole matched with the installation steel plate 4, the periphery of the end is welded on the installation steel plate 4 at the same time, the middle part of the other end of each angle steel 5 is provided with a through hole, the angle steels 5 on two sides are provided with locking bolts 6 through the through holes, and the anti-drop chain 7 is sleeved on the screws of the locking bolts 6 between the angle steels 5 on two sides; and a reinforced steel plate 2 is further fixed on the other side of the protective door 1 by the double-row fixing bolts 3, and the reinforced steel plate 2 and the mounting steel plate 4 have the same size and specification.
In specific implementation, the fixing bolt 3 is a C-class hexagon head bolt with a specification of M16 × 130, and the locking bolt 6 is a C-class hexagon head bolt with a specification of M16 × 70.
In specific implementation, the angle steel 5 and the installation steel plate 4 are welded in full length and coated with an anti-rust paint layer.
In specific implementation, the thickness of the reinforcing steel plate 2 and the mounting steel plate 4 is 20 mm.
Claims (4)
1. The utility model provides a tunnel guard gate anticreep chain installation node structure which characterized in that: the anti-drop door comprises a protective door, a reinforcing steel plate, a fixing bolt, an installation steel plate, angle steel, a locking bolt and an anti-drop chain; the protective door comprises an inner layer of galvanized steel sheet, an outer layer of galvanized steel sheet, a door framework and a rock wool plate layer arranged between the two layers of galvanized steel sheets and the door framework; bolt holes are uniformly formed in the mounting steel plate, a mounting steel plate penetrates through the protective door by adopting double rows of fixing bolts on one side of the protective door and is fixed, and one end of angle steel on the same side of the mounting steel plate is fixed on the mounting steel plate; the two angle steels are arranged, one end of each angle steel is provided with a bolt hole matched with the installation steel plate, the periphery of the end is welded on the installation steel plate at the same time, the middle part of the other end of each angle steel is provided with a through hole, the angle steels on two sides are provided with locking bolts through the through holes, and the anti-drop chain is sleeved on the locking bolt screw rods between the angle steels on two sides; the guard gate opposite side is still fixed with the reinforcing steel plate by double fixing bolt, and the reinforcing steel plate is the same with the size specification of installation steel plate.
2. The drop chain prevention mounting node structure of the tunnel protection door according to claim 1, wherein: the fixing bolt is a C-grade hexagon head bolt with the specification of M16 multiplied by 130, and the locking bolt is a C-grade hexagon head bolt with the specification of M16 multiplied by 70.
3. The drop chain prevention mounting node structure of the tunnel protection door according to claim 1, wherein: the angle steel should be fully welded with the installation steel plate for the full length and should be coated with an anti-rust paint layer.
4. The drop chain prevention mounting node structure of the tunnel protection door according to claim 1, wherein: the thickness of the reinforcing steel plate and the thickness of the mounting steel plate are 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020342960.7U CN212271978U (en) | 2020-03-18 | 2020-03-18 | Anticreep chain installation node structure of tunnel guard gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020342960.7U CN212271978U (en) | 2020-03-18 | 2020-03-18 | Anticreep chain installation node structure of tunnel guard gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212271978U true CN212271978U (en) | 2021-01-01 |
Family
ID=73874159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020342960.7U Expired - Fee Related CN212271978U (en) | 2020-03-18 | 2020-03-18 | Anticreep chain installation node structure of tunnel guard gate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212271978U (en) |
-
2020
- 2020-03-18 CN CN202020342960.7U patent/CN212271978U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210101 |