CN109403788B - High-precision high-strength protective door assembly module - Google Patents
High-precision high-strength protective door assembly module Download PDFInfo
- Publication number
- CN109403788B CN109403788B CN201811459131.0A CN201811459131A CN109403788B CN 109403788 B CN109403788 B CN 109403788B CN 201811459131 A CN201811459131 A CN 201811459131A CN 109403788 B CN109403788 B CN 109403788B
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- door frame
- concrete
- partition wall
- angle steel
- degree angle
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- 230000001681 protective effect Effects 0.000 title claims abstract description 29
- 239000004567 concrete Substances 0.000 claims abstract description 70
- 238000005192 partition Methods 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 46
- 239000010959 steel Substances 0.000 claims description 46
- 238000007789 sealing Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 230000009429 distress Effects 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002929 anti-fatigue Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 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
- 230000000149 penetrating effect 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
- 239000011819 refractory material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/04—Frames for doors, windows, or the like to be fixed in openings
- E06B1/52—Frames specially adapted for doors
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/56—Fastening frames to the border of openings or to similar contiguous frames
- E06B1/60—Fastening frames to the border of openings or to similar contiguous frames by mechanical means, e.g. anchoring means
- E06B1/6015—Anchoring means
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
- E06B1/56—Fastening frames to the border of openings or to similar contiguous frames
- E06B1/60—Fastening frames to the border of openings or to similar contiguous frames by mechanical means, e.g. anchoring means
- E06B1/6015—Anchoring means
- E06B1/6023—Anchoring means completely hidden between the frame and the border of the opening, at least part of the means being previously fixed to the wall
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
Abstract
The invention discloses a high-precision high-strength protective door assembly module, which comprises a concrete partition wall and a door frame; the concrete partition wall is provided with a door opening, and a door frame mounting groove is formed in the position of the door opening; the door frame is arranged at the door frame mounting groove; the concrete partition wall is provided with a notch on each surface which is attached to the door frame; the concrete partition wall comprises a concrete wall body and a plurality of embedded parts; a gap is arranged on the concrete wall; 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; the part of the embedded parts extending into the notch is fixedly connected with the door frame through a bolt device. The embedded part is arranged on the concrete partition wall, the embedded part is connected with the door frame on site through the bolt device, no welding work is performed on site, the connection is tight and reliable, the cost is low, the installation mode is simple in procedure and process, the installation is faster, the position of the door frame can be adjusted on site according to actual measurement data, and the installation accuracy is high.
Description
Technical Field
The invention belongs to the field of protective doors, and particularly relates to a protective door installation module.
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 form of the protective door needs to be fixed by a chemical bolt or welded with an embedded part on site, the 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, and the cost is high.
Along with the large development of railways in China, particularly high-speed railways, railway tunnels are more and longer. Personnel evacuation passageway and equipment grottos such as electric power, communication in the tunnel are the important facility of guaranteeing the normal operating in tunnel, and some have certain conflagration danger by oneself. Therefore, certain fireproof separation measures should be adopted to separate the vehicle tunnel, namely a tunnel protection door. The protection door is influenced by positive and negative piston wind in the tunnel, so that the positive and negative stress of the connection part of the door body and the tunnel is changed, when the positive and negative stress is changed to exceed the fatigue limit, the connection is easily damaged, the door body falls to the track side, and the driving safety is seriously affected. Therefore, the method for installing the tunnel protection door is studied, and the protection door is ensured not to fall off. The existing protective door is mainly installed in the modes of bar planting, chemical anchor bolts and the like, however, the following problems exist:
(1) The installation mode has complicated procedures, complex process and higher installation cost;
(2) The door body after installation has lower stability and firmness and poor durability; the later maintenance period is frequent, and the maintenance cost is high.
Disclosure of Invention
Aiming at the defects or improvement demands of the prior art, the invention provides a protective door assembly with a pre-buried connecting piece, wherein before the tunnel protective door is installed, a plurality of groups of pre-buried angle steel are pre-buried at equal intervals at the bottom and two sides of a tunnel door opening, and corresponding installation holes are reserved at corresponding pre-buried angle steel. When the protection door is installed, the top end and the two sides of the door frame are fastened and connected with the pre-buried angle steel through bolts, the bottom of the door frame is fixed on the ground plane of the tunnel chamber through a concrete pouring mode, and the protection door can be efficiently fixed in the tunnel door opening through the method.
In order to achieve the above object, according to one aspect of the present invention, there is provided a high-precision high-strength protective door assembly module characterized by comprising a concrete partition wall and a door frame, wherein,
the thickness of the concrete partition wall is larger than that of the door frame;
a door opening is formed in the concrete partition wall, and a door frame mounting groove is formed in the position of the door opening of the concrete partition wall;
the door frame is arranged at the door frame mounting groove and is tightly clung to the concrete partition wall, and is formed by welding square tubes and is in an inverted U shape as a whole;
the concrete partition wall comprises a concrete wall body and a plurality of embedded parts arranged in the concrete wall body, wherein the number of the embedded parts is consistent with that of the gaps;
the concrete wall body is provided with a notch at a position corresponding to each embedded part;
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;
the part of the embedded parts extending into the notch is fixedly connected with the door frame through a bolt device.
Preferably, each embedded part comprises 90-degree angle steel and 135-degree angle steel, wherein the 90-degree angle steel is attached to the outer pipe wall of the square pipe, the 135-degree angle steel is welded on the 90-degree angle steel, one end of the 135-degree angle steel extends into the notch, the other end of the 135-degree angle steel is embedded in the concrete wall, and the bolt device penetrates through the 90-degree angle steel and the 135-degree angle steel.
Preferably, the bolt means comprises a nut and a high strength bolt connected together.
Preferably, one end of each high-strength bolt is positioned in the notch at the corresponding position, and the other end of each high-strength bolt extends into the square pipe.
Preferably, a plurality of through holes are formed in the wall of the square pipe, so that nuts can enter the square pipe to be connected with the high-strength bolts conveniently, and the door frame is fixed on the concrete partition wall.
Preferably, a sealing felt is disposed at each of the through holes.
Preferably, the concrete partition wall is provided with a plurality of notches on each surface which is attached to the door frame.
Preferably, the bottom of the door frame is fixed with the ground of the cavity by pouring concrete.
Preferably, the concrete partition wall adopts a concrete strength grade of C30.
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) The embedded angle steel is arranged on the concrete partition wall, the embedded angle steel is connected with the door frame on site through the bolt device, no welding work is performed on site, the connection is tight and reliable, the cost is low, the installation mode is simple in procedure and process, the installation is faster, the position of the door frame can be adjusted on site according to actual measurement data, and the installation accuracy is high;
2) The reinforced concrete partition wall of C30 can meet the requirements of piston wind pressure of + -2 kpa and fire resistance limit of 3h, is corrosion-resistant, high in installation strength, high in stability and firmness of the installed protective door, good in durability, beneficial to maintaining long-term normal use of the protective door, short in later maintenance period and low in maintenance cost.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a top view of the present invention;
fig. 4 is an enlarged view at B in fig. 3.
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 4, a high-precision high-strength protective door assembly module includes a concrete partition wall 4 and a door frame 2, wherein,
the concrete partition wall 4 is a wall built by concrete in a tunnel, and the thickness of the concrete partition wall 4 is larger than that of the door frame 2;
a door opening is formed in the concrete partition wall 4, and a door frame mounting groove is formed in the position of the door opening of the concrete partition wall 4;
the door frame 2 is arranged at the door frame mounting groove, the door frame 2 is tightly attached to the concrete partition wall 4, and the door frame 2 is formed by welding square pipes and is in an inverted U shape as a whole; the door frame 2 is fixed on the wall body and connected with the door leaf,
the concrete partition wall 4 comprises a concrete wall body and a plurality of embedded parts arranged in the concrete wall body, wherein the number of the embedded parts is consistent with that of the gaps;
the concrete wall body is provided with a notch 3 at a position corresponding to each embedded part;
a part of the material of each embedded part is embedded in the concrete partition wall 4, and the other part of the material extends into the gap 3 at the corresponding position;
the part of each embedded part extending into the notch 3 is fixedly connected with the door frame 2 through a bolt device.
Further, each embedded part comprises 90-degree angle steel and 135-degree angle steel 5, wherein the 90-degree angle steel is attached to the outer pipe wall of the square pipe, the 135-degree angle steel 5 is welded on the 90-degree angle steel, one end of the 135-degree angle steel extends into the notch 3, the other end of the 135-degree angle steel is embedded in the concrete wall, and the bolt device penetrates through the 90-degree angle steel and the 135-degree angle steel 5. The 135-degree embedded angle steel is made of high-strength stainless steel materials, the embedded angle steel 5 is embedded when a concrete wall surface is poured, after the concrete wall surface is coagulated, the embedded angle steel 5 is fastened in the wall, and therefore holes are not needed to be drilled or bolts are not needed to be made in the concrete, and the influence on the strength of the concrete is avoided.
Further, the bolt device comprises a nut and a high-strength bolt 1 which are connected together. The high-strength bolt 1 is used for connecting the door frame 2 and the embedded angle steel 5 embedded in the concrete wall, and has high connection strength and reliability.
Further, one end of each high-strength bolt 1 is located in a notch 3 at a corresponding position, and the other end of each high-strength bolt extends into the square pipe, so that the gaps of the notches 3 can facilitate the installation of the high-strength bolts 1.
Further, be provided with a plurality of through-holes on the pipe wall of side pipe to the nut gets into side intraductal with high strength bolt 1 connects, thereby fixes door frame 2 on the concrete partition wall 4, can use suitable drilling machine to drill steel during the actual installation, construction convenience.
Further, a sealing felt 7 is provided at each of the through holes. The sealing felt 7 is an opening sealing member of the door frame 2, and is made of a refractory material, and is removable when the door frame 2 is installed.
Further, the concrete partition wall 4 is provided with a plurality of notches 3 on each surface which is attached to the door frame 2, so that a plurality of high-strength bolts 1 can be installed, and the connection strength is high.
Further, the bottom of the door frame 2 is fixed with the ground 6 of the cavity by pouring concrete, the ground 6 of the cavity is a concrete ground, and the lower part of the door frame 2 is fixed on the ground.
Further, the concrete partition wall 4 adopts a concrete strength grade of C30.
The invention has the advantages of convenient installation by arranging the technical means of the assembled installation module, is particularly beneficial to installation under severe conditions in a railway tunnel, meets the requirements of antiknock, fireproof and fatigue strength of the protective door, and solves the problem that the field installation quality of the protective door cannot be ensured.
According to the invention, the connection of the protective door frame 2 and the wall body is charged by the high-precision high-strength assembly type mounting modules in a modularized mode, the connection position of the protective door frame 2 and the wall body is determined only according to the size of the door opening of the protective door on site, the number of the assembly type mounting modules is determined, and then the protective door module is assembled to complete the integral mounting of the protective door.
The protective door modules are connected by adopting the bolt device, the angle steel is arranged at the connecting position, the angle steel is reserved with the mounting holes in advance, the protective door modules are directly connected on site by bolts, the installation is convenient, and the strength is high.
Before the tunnel protection door is installed, firstly, uniformly and alternately embedding a plurality of groups (preferably 14 groups) of 135-degree angle steel 5 and 90-degree angle steel at equal intervals at the bottom and two sides of a tunnel door opening, reserving hole sites for bolt connection at the portions of the 135-degree angle steel 5 exposed out of the concrete wall surface, and simultaneously, embedding the positions of the 135-degree angle steel 5, when the concrete wall is poured, needing to leave enough space for installing a later door body. When the door body is installed, the top and two side departments of the door frame 2 are fixed at first, and the specific installation process is as follows: firstly, aligning the mounting hole position of the door frame 2 with the mounting hole position of the exposed part of the 135-degree angle steel 5, penetrating a screw rod from a reserved hole, opening the sealing felt 7 on the door frame 2, putting a nut and a gasket into the door frame 2, roughly screwing the nut and the screw rod, integrally screwing a bolt by using a tool, and finally plugging the sealing felt 7 back to the original position. The bottom of the door frame 2 and the ground plane of the cavity are fixed in a concrete pouring mode, and the whole protection door is firmly fixed on the tunnel door opening after concrete is condensed.
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 (7)
1. A high-precision high-strength protective door assembly module is characterized by comprising a concrete partition wall and a door frame, wherein,
the thickness of the concrete partition wall is larger than that of the door frame;
a door opening is formed in the concrete partition wall, and a door frame mounting groove is formed in the position of the door opening of the concrete partition wall;
the door frame is arranged at the door frame mounting groove and is tightly clung to the concrete partition wall, and is formed by welding square tubes and is in an inverted U shape as a whole;
the concrete partition wall comprises a concrete wall body and a plurality of embedded parts arranged in the concrete wall body, wherein gaps are formed in the positions, corresponding to the embedded parts, of the concrete wall body, and the number of the embedded parts is consistent with that of the gaps;
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;
the part of the embedded parts extending into the notch is fixedly connected with the door frame through a bolt device;
each embedded part comprises 90-degree angle steel and 135-degree angle steel, wherein the 90-degree angle steel is attached to the outer pipe wall of the square pipe, the 135-degree angle steel is welded on the 90-degree angle steel, one end of the 135-degree angle steel stretches into the notch, the other end of the 135-degree angle steel is embedded in the concrete wall, and the bolt device penetrates through the 90-degree angle steel and the 135-degree angle steel;
the bottom of the door frame is fixed with the ground of the grotto in a concrete pouring mode.
2. A high precision high strength protective door assembly module according to claim 1, wherein the bolt means comprises a nut and a high strength bolt connected together.
3. The high-precision high-strength protective door assembly module according to claim 2, wherein one end of each high-strength bolt is positioned in a notch at a corresponding position and the other end of each high-strength bolt extends into the square tube.
4. A high precision high strength protective door assembly module according to claim 3, wherein a plurality of through holes are provided in the wall of the square tube to facilitate the insertion of nuts into the square tube for connection with the high strength bolts to secure the door frame to the concrete partition.
5. The high precision high strength guard gate assembly module of claim 4, wherein a sealing felt is provided at each of said through holes.
6. The high-precision high-strength protective door assembly module according to claim 1, wherein the concrete partition wall is provided with a plurality of notches on each surface which is attached to the door frame.
7. The high precision high strength guard gate assembly module of claim 1, wherein the concrete partition employs a concrete strength grade of C30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811459131.0A CN109403788B (en) | 2018-11-30 | 2018-11-30 | High-precision high-strength protective door assembly module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811459131.0A CN109403788B (en) | 2018-11-30 | 2018-11-30 | High-precision high-strength protective door assembly module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109403788A CN109403788A (en) | 2019-03-01 |
| CN109403788B true CN109403788B (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811459131.0A Active CN109403788B (en) | 2018-11-30 | 2018-11-30 | High-precision high-strength protective door assembly module |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630197B (en) * | 2019-01-17 | 2023-09-26 | 中铁第四勘察设计院集团有限公司 | Quick installation structure suitable for tunnel protection door and setting method thereof |
| CN109914834A (en) * | 2019-04-01 | 2019-06-21 | 中国十七冶集团有限公司 | A kind of Combined type belt door opening precast wall body protective device and its application method |
| CN113958230A (en) * | 2021-10-25 | 2022-01-21 | 中铁第四勘察设计院集团有限公司 | Assembly type installation structure and assembly type installation method of tunnel protection door |
| CN114737850A (en) * | 2022-03-31 | 2022-07-12 | 中国核电工程有限公司 | Installation method of steel door |
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| CN206693239U (en) * | 2017-05-02 | 2017-12-01 | 中国水利水电第五工程局有限公司 | The cast-in-place device of bridge machine T beams is realized on a kind of high-altitude thin-wall |
| CN207892444U (en) * | 2018-01-10 | 2018-09-21 | 中铁第四勘察设计院集团有限公司 | A kind of novel tunnel protection door with unilateral external-open door in door |
| CN108825058A (en) * | 2018-06-29 | 2018-11-16 | 聂超 | A kind of assembled integral window frame and its construction method for steel construction |
| CN209799722U (en) * | 2018-11-30 | 2019-12-17 | 中铁第四勘察设计院集团有限公司 | high-precision high-strength protective door assembly module |
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| CN109403788A (en) | 2019-03-01 |
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