CN109931102B - High-precision high-strength assembled protective door frame wall - Google Patents
High-precision high-strength assembled protective door frame wall Download PDFInfo
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- CN109931102B CN109931102B CN201811459137.8A CN201811459137A CN109931102B CN 109931102 B CN109931102 B CN 109931102B CN 201811459137 A CN201811459137 A CN 201811459137A CN 109931102 B CN109931102 B CN 109931102B
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- 230000001681 protective effect Effects 0.000 title claims abstract description 38
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 238000009434 installation Methods 0.000 claims abstract description 28
- 229910000746 Structural steel Inorganic materials 0.000 claims description 28
- 239000000126 substance Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 5
- 238000000354 decomposition reaction Methods 0.000 abstract description 2
- 210000003205 muscle Anatomy 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a high-precision high-strength assembled protective door frame wall body, which comprises a plurality of wall body blocks, wherein the wall body blocks are fixedly connected together; every wall block all includes concrete wall block, pre-buried board, 90 angle steel and stirrup, all is provided with the breach on every wall block, concrete wall block is in breach department sets up pre-buried board, the one end of pre-buried board stretches into in the concrete wall block and the other end expose in the breach, and it has 90 angle steel and stirrup to weld on the pre-buried board, 90 angle steel is located in the breach and the stirrup is located in the concrete wall block, and the stirrup with the main muscle welding in the concrete wall block is in the same place. According to the invention, through a modularization mode, the integral installation of the protective door can be completed by determining the decomposition mode of the wall body of the protective door and the number of each module on site according to the size of the door opening of the equipment cavity and then assembling the protective door modules.
Description
Technical Field
The invention belongs to the field of protective doors, and particularly relates to a protective door frame wall.
Background
At present, the railway tunnel protective door adopts a flat-open steel structure and a fireproof plate partition wall, and a fireproof sealing part is required to be embedded in a gap between door leaves, so that the requirements of fire prevention (the fireproof limit is not less than 3 h), antiknock (the passenger-cargo collineation is not less than 0.1MPa, and the passenger special line is not less than 0.05 MPa), anti-piston wind and anti-fatigue are met. The door leaf is welded into an integral steel skeleton by galvanized steel pipes; after the welding is finished, polishing and leveling, performing secondary rust prevention treatment, filling an environment-friendly, heat-insulating and fireproof material environment-friendly perlite plate in the door leaf, riveting a galvanized steel composite explosion-proof plate with the thickness of 7mm on the door leaf framework on the surface of the door leaf, and fastening through an 8M screw. The protective door structure needs to be fixed by chemical bolts or welded with embedded parts on site, the on-site installation quality cannot be guaranteed, the tensile strength of the protective door under the action of long-time piston wind in a tunnel cannot be guaranteed, the cost is high, and the installation is not very convenient.
For the engineering that the existing tunnel needs to be additionally provided with the protective door, as the steel bars are not reserved on the tunnel lining, the mode that the protective door is installed and needs to be fixed on the lining by using chemical bolts or welded with the embedded part is caused, the strength often cannot meet the standard requirement, and the risk exists under the long-term action of the wind pressure of the tunnel.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the invention provides the high-precision high-strength assembled protective door frame wall, the integral installation of the protective door can be completed by determining the decomposition mode of the protective door wall and the number of each module only according to the size of the door opening of the equipment cavity on site and then assembling the protective door modules, and the installation is convenient.
In order to achieve the above object, according to one aspect of the present invention, there is provided a high-precision high-strength fabricated protective door frame wall body, characterized by comprising a plurality of wall blocks stacked together, wherein,
the wall blocks are fixedly connected together and are positioned between the door frame and the civil engineering lining, wherein a part of the wall blocks are attached and connected with the civil engineering lining blocks, and a part of the wall blocks are attached and connected with the door frame;
each wall block comprises a concrete wall block, an embedded plate, 90-degree angle steel and stirrups, each wall block is provided with a notch which is convenient to be connected with a civil engineering lining or other wall blocks, the embedded plate is arranged at the notch, one end of the embedded plate stretches into the concrete wall block, the other end of the embedded plate is exposed out of the notch, the embedded plate is welded with the 90-degree angle steel and the stirrups, the 90-degree angle steel is positioned in the notch, the stirrups are positioned in the concrete wall block, and the stirrups are welded with main ribs in the concrete wall block;
for the wall building blocks connected with the civil engineering lining, the chemical bolts penetrate through the 90-degree angle steel and then connect the wall building blocks with the civil engineering lining;
for two adjacent wall blocks, the embedded plates of the two adjacent wall blocks are parallel to each other and the 90-degree angle steel is attached together, and the two 90-degree angle steel is fixedly connected together by the bolt device, so that the two adjacent wall blocks are fixedly connected together.
Preferably, a waterproof adhesive is arranged between two adjacent wall blocks.
Preferably, the number of chemical bolts on the 90 ° angle steel of the wall block connected with the civil engineering lining is plural.
Preferably, the stirrup is an open stirrup.
Preferably, for each wall block connected with the door frame, a door frame mounting groove is formed on one side close to the door frame, a notch groove which is convenient for the wall block to be connected with the door frame is formed in the door frame mounting groove, a plurality of embedded parts are arranged in the concrete wall block, and the number of the embedded parts is consistent with that of the notch grooves;
a part of the material of each embedded part is embedded in the concrete partition wall, and the other part of the material extends into the notch at the corresponding position;
and the part of the embedded parts extending into the gaps is fixedly connected with the door frame through bolt fasteners.
Preferably, each embedded part comprises a 90-degree angle iron and a 135-degree angle iron, wherein the 90-degree angle iron is attached to the outer pipe wall of the square pipe, the 135-degree angle iron is welded on the 90-degree angle iron, one end of the 135-degree angle iron extends into the notch, the other end of the 135-degree angle iron is embedded in the concrete wall, and the bolt fastener penetrates through the 90-degree angle iron and the 135-degree angle iron.
Preferably, the bolt fastener comprises a nut and a high strength bolt connected together.
Preferably, each wall block is internally provided with an RFID positioning block which is convenient for identifying the position of the wall block.
In general, the above technical solutions conceived by the present invention, compared with the prior art, enable the following beneficial effects to be obtained:
(1) According to the technical means of fixing the wall building block installation module on the tunnel portal lining, the assembly type installation of the protective door wall is realized, the fireproof gap filling agent is filled in the gap in the assembly process, the assembly type anti-explosion wall filling agent is convenient to install, is particularly beneficial to being installed under severe conditions in a railway tunnel, and meets the requirements of standardization on antiknock, fireproof and fatigue strength of the wall.
(2) According to the technical means, the protective door wall body is decomposed into a plurality of specific structures in a modularized mode, the decomposing mode of the protective door wall body and the number of each module are determined on site only according to the size of the equipment cavity door opening, and then the protective door module is assembled to complete the integral installation of the protective door, so that the wall body precision is high, and the integral installation precision of the protective door can be improved;
(3) In the scheme, the connecting mode between the protective door modules is connected through bolts, the protective door modules are connected with the lining through chemical anchor bolts, the angle steel is arranged at the connecting position, the installation holes are reserved in advance in the angle steel, the protective door modules are directly connected through bolts on site, and the protective door module is convenient to install and high in strength and can meet the installation and use requirements.
(4) For convenient wall installation, be provided with the RFID locating piece on every wall body module, through assembly information platform, carry out on-the-spot installation location, avoid the installation mistake, improve installation effectiveness.
Drawings
FIG. 1 is a schematic elevational view of the assembled invention;
FIG. 2 is a schematic top view of the assembled invention;
FIG. 3 is an enlarged view at A in FIG. 1;
FIG. 4 is a schematic cross-sectional view at A in FIG. 1;
fig. 5 is an enlarged view at B in fig. 1;
FIG. 6 is a schematic cross-sectional view at B in FIG. 1;
fig. 7 is a schematic view of a middle wall block according to the present invention;
fig. 8 is an enlarged view at C in fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1 to 8, a high-precision high-strength assembled protective door frame wall body comprises a plurality of wall blocks 1 stacked together, wherein,
the wall blocks 1 are fixedly connected together and are positioned between the door frame 2 and the civil engineering lining 3, wherein a part of the wall blocks 1 are attached and connected with the civil engineering lining blocks, and the other part of the wall blocks 1 are attached and connected with the door frame 2;
each wall block 1 comprises a concrete wall block 11, an embedded plate 12, 90-degree angle steel 13 and stirrups 14, a notch 15 which is convenient to connect with a civil lining 3 or other wall blocks 1 is arranged on each wall block 1, wherein the embedded plate 12 is arranged at the notch 15 of the concrete wall block 11, one end of the embedded plate 12 extends into the concrete wall block 11, the other end of the embedded plate is exposed out of the notch 15, 90-degree angle steel 13 and stirrups 14 are welded on the embedded plate 12, the 90-degree angle steel 13 is positioned in the notch 15, the stirrups 14 are positioned in the concrete wall block 11, and the stirrups 14 are welded with main reinforcements in the concrete wall block 11;
for the wall building block 1 connected with the civil engineering lining 3, the chemical bolts 4 penetrate through the 90-degree angle steel 13 to connect the wall building block 1 with the civil engineering lining 3;
for two adjacent wall blocks 1, the embedded plates 12 of the two adjacent wall blocks are parallel to each other and the 90-degree angle steel 13 is attached together, and the bolt devices 5 fixedly connect the two 90-degree angle steel 13 together, so that the two adjacent wall blocks 1 are fixedly connected together.
Further, fireproof and explosion-proof binders are arranged between two adjacent wall building blocks 1, so that the requirements of fire resistance and explosion resistance in a tunnel can be met.
Further, the number of the chemical bolts 4 on the 90 ° angle steel 13 of the wall block 1 connected with the civil engineering lining 3 is plural, and by using the plural chemical bolts, the connection can be made more secure and reliable.
Further, the stirrup 14 is an open stirrup, and the stirrup 14 is an interface of an assembled wall body, and is connected with other assembled components through the stirrup 14, and is connected by bolts, so that drilling or welding is not needed, and the installation is convenient and firm.
Further, for each wall block 1 connected with the door frame 2, a door frame 2 installation groove is formed on one side close to the door frame 2, a notch groove 16 which is convenient for the wall block 1 to be connected with the door frame 2 is formed at the door frame 2 installation groove, a plurality of embedded parts 6 are arranged in the concrete wall block 11, and the number of the embedded parts 6 is consistent with that of the notch grooves 16;
a part of the material of each embedded part 6 is embedded in the concrete partition wall, and the other part of the material extends into the notch 15 at the corresponding position;
the part of the embedded parts 6 extending into the notch 15 is fixedly connected with the door frame 2 through the bolt fasteners 7.
Further, each embedded part 6 comprises 90-degree angle iron 61 and 135-degree angle iron 62, wherein the 90-degree angle iron 61 is attached to the outer pipe wall of the square pipe, the 135-degree angle iron 62 is welded on the 90-degree angle iron 61, one end of the 135-degree angle iron 62 extends into the notch 15, the other end of the 135-degree angle iron 62 is embedded in the concrete wall, the bolt fastener 7 penetrates through the 90-degree angle iron 61 and the 135-degree angle iron 62, and the 90-degree angle iron 61 and the 135-degree angle iron 62 are combined together for use, so that connection is reliable, connection strength is high, and connection is convenient.
Further, the bolt fastener 7 comprises a nut and a high-strength bolt which are connected together, the strength of the high-strength bolt is high, and the high-strength connection requirement can be met.
Further, an RFID positioning block 8 for facilitating the identification of the position of the wall block 1 is provided in each of the wall blocks 1.
The scheme is formed by a plurality of standard wall building blocks 1, tunnel wall mounting pieces, inter-building block positioning mounting pieces and door frame 2 mounting pieces, the high-precision high-strength assembled wall building blocks 1 of the protective door wall body are connected with a civil engineering lining 3, the direct assembly parts of the wall building blocks 1 are shown in a large scale in figure 1, the civil engineering assembly parts are connected with the door frame 2 assembly parts on site through bolts, no welding work is performed on site, and each high-precision high-strength assembled wall building block 1 is connected by adopting a high-strength fireproof adhesive, so that the requirements of fireproof and explosion-proof and piston wind pressure are met; in order to facilitate the positioning and mounting of the wall building blocks 1, RFID positioning blocks 8 are arranged on each wall building block 1, so that the radio frequency identification is facilitated.
According to the invention, through the technical means of fixing the wall block installation module on the tunnel chamber lining, the assembly type installation of the protective door wall body is realized, and the fireproof gap filling agent is filled in the gap in the assembly process, so that the protective door wall body has the advantages of convenience in installation, is particularly beneficial to installation under severe conditions in a railway tunnel, and meets the requirements of standard antiknock (the collineation of passengers and goods should not be less than 0.1MPa, the special passenger line should not be less than 0.05 MPa), fireproof (the fire resistance limit is not less than 3 h), piston wind load (-10 kPa to +10 kPa) and fatigue strength (not less than 30 ten thousand times per year, and the design life of 30 years) of the wall body.
The whole installation process of the invention does not adopt welding, the inter-block positioning installation piece and the door frame 2 installation piece realize high installation speed and reliable installation, and the RFID positioning block 8 and the assembly information platform are adopted
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the invention and is not intended to limit the invention, but any modifications, equivalents, improvements or alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. A high-precision high-strength assembled protective door frame wall body is characterized by comprising a plurality of wall body blocks which are stacked together, wherein,
the wall blocks are fixedly connected together and are positioned between the door frame and the civil engineering lining, wherein a part of the wall blocks are attached and connected with the civil engineering lining blocks, and a part of the wall blocks are attached and connected with the door frame;
each wall block comprises a concrete wall block, an embedded plate, 90-degree angle steel and stirrups, each wall block is provided with a notch which is convenient to be connected with a civil engineering lining or other wall blocks, the embedded plate is arranged at the notch, one end of the embedded plate stretches into the concrete wall block, the other end of the embedded plate is exposed out of the notch, the embedded plate is welded with the 90-degree angle steel and the stirrups, the 90-degree angle steel is positioned in the notch, the stirrups are positioned in the concrete wall block, and the stirrups are welded with main ribs in the concrete wall block;
for the wall building blocks connected with the civil engineering lining, the chemical bolts penetrate through the 90-degree angle steel and then connect the wall building blocks with the civil engineering lining;
for two adjacent wall blocks, the embedded plates of the two adjacent wall blocks are parallel to each other and the 90-degree angle steel is attached together, and the two 90-degree angle steel is fixedly connected together by the bolt device, so that the two adjacent wall blocks are fixedly connected together;
a waterproof adhesive is arranged between two adjacent wall blocks;
the number of the chemical bolts on the 90-degree angle steel of the wall building block connected with the civil engineering lining is multiple.
2. The high-precision high-strength assembled protective door frame wall according to claim 1, wherein the stirrup is an open stirrup.
3. The high-precision high-strength assembled protective door frame wall body according to claim 1, wherein for each wall body building block connected with a door frame, a door frame installation groove is formed on one side close to the door frame, a notch groove for facilitating connection of the wall body building block and the door frame is formed in the door frame installation groove, a plurality of embedded parts are arranged in the concrete wall block, and the number of the embedded parts is identical with that of the notch grooves;
a part of the material of each embedded part is embedded in the concrete wall block, and the other part of the material extends into the notch at the corresponding position;
and the part of the embedded parts extending into the gaps is fixedly connected with the door frame through bolt fasteners.
4. A high precision high strength fabricated protective door frame wall according to claim 3, wherein each of said embedments comprises a 90 ° angle iron and a 135 ° angle iron, wherein said 90 ° angle iron is affixed to the outer tube wall of said door frame, said 135 ° angle iron is welded to said 90 ° angle iron, and one end of said 135 ° angle iron extends into said notch and the other end is embedded in said concrete wall block, said bolt fastener passing through said 90 ° angle iron and 135 ° angle iron.
5. A high precision high strength fabricated protective door frame wall as described in claim 3 wherein said bolt fastener comprises a nut and a high strength bolt connected together.
6. A high precision high strength fabricated protective door frame wall according to claim 1, wherein each wall block is provided with an RFID locating block therein for facilitating identification of the position of the wall block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811459137.8A CN109931102B (en) | 2018-11-30 | 2018-11-30 | High-precision high-strength assembled protective door frame wall |
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| CN201811459137.8A CN109931102B (en) | 2018-11-30 | 2018-11-30 | High-precision high-strength assembled protective door frame wall |
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| CN109931102A CN109931102A (en) | 2019-06-25 |
| CN109931102B true CN109931102B (en) | 2024-01-05 |
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