CN214247338U - Collapsible loess tunnel supporting construction - Google Patents
Collapsible loess tunnel supporting construction Download PDFInfo
- Publication number
- CN214247338U CN214247338U CN202120139276.3U CN202120139276U CN214247338U CN 214247338 U CN214247338 U CN 214247338U CN 202120139276 U CN202120139276 U CN 202120139276U CN 214247338 U CN214247338 U CN 214247338U
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- China
- Prior art keywords
- supporting construction
- tunnel
- collapsible loess
- rod
- tunnel supporting
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- Expired - Fee Related
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 230000000694 effects Effects 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000002689 soil Substances 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 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
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a collapsible loess tunnel supporting construction, including prefabricated tunnel, the fixed waterproof layer that is provided with in inside of prefabricated tunnel, the waterproof layer is kept away from the fixed muddy dirt layer that is provided with in one side of prefabricated tunnel wall, mix the fixed protection network that is provided with in one side that the waterproof layer was kept away from to muddy dirt layer, a plurality of rod grooves have been seted up to the top of prefabricated tunnel for the form such as equidistance, and are a plurality of the equal activity in inside of rod groove is provided with the stock, one the fixed mud drill bit that is provided with in upper end of stock, a plurality of injected holes have all been seted up to the form such as equidistance in pole body both sides of stock, the spacing spout of extension has all been seted up to the front side inner wall and the rear side inner wall center department of stock, the inside activity of stock is provided with embedded bar. The utility model discloses a collapsible loess tunnel supporting construction, this novel collapsible loess tunnel supporting construction simple to operate, stability is high.
Description
Technical Field
The utility model relates to a construction technical field especially relates to a collapsible loess tunnel supporting construction.
Background
The tunnel is an engineering building buried in the stratum, is a form of utilizing underground space by human beings, can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel and a military tunnel, and integrates various factors in a tunnel conference held by international economic cooperation and development organization in 1970, and the definition of the tunnel is as follows: "a cavity with a cross section area larger than 2 square meters is built under the ground by any method according to a specified shape and size in a certain application.
After the tunnel excavation, need tentatively strut the tunnel, prevent that the tunnel from collapsing, construction on next step of being convenient for, but all pass through welded fastening between the pole of current tunnel supporting construction and the pole basically, it is very inconvenient to operate, and stability is also relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a collapsible loess tunnel supporting structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a collapsible loess tunnel supporting structure comprises a prefabricated tunnel, wherein a waterproof layer is fixedly arranged inside the prefabricated tunnel, a muddy soil layer is fixedly arranged on one side, away from the wall of the prefabricated tunnel, of the waterproof layer, a protective net is fixedly arranged on one side, away from the waterproof layer, of the muddy soil layer, a plurality of rod grooves are formed in the top surface of the prefabricated tunnel in an equidistant mode, anchor rods are movably arranged inside the rod grooves, a mud drill bit is fixedly arranged at the upper ends of the anchor rods, a plurality of grouting holes are formed in two sides of each rod body of each anchor rod in an equidistant mode, extension limiting sliding grooves are formed in the centers of the inner walls of the front side and the rear side of each anchor rod, embedded steel bars are movably arranged inside the anchor rods, a plurality of reinforcing steel bars are fixedly arranged in the equidistant mode on the front side and the rear side of each embedded steel bar, one ends, away from the embedded steel bars, are fixedly arranged in the extension limiting sliding grooves, the upper end of embedded steel bar sets firmly and is provided with fixed connector, the fixed screw thread head that is provided with of lower extreme of embedded steel bar, the one end that the pole groove was kept away from to the stock runs through the outside that waterproof layer, muddy soil layer and protection net lead to the protection network, the lower extreme screw thread of screw thread head is linked there is the screw thread pullover, the movable hole has been seted up to one side center department of screw thread pullover, the inside activity cover in movable hole is equipped with the threaded rod, and is a plurality of the threaded rod is through consolidating horizontal pole threaded connection between two liang.
As a further description of the above technical solution:
the protective net is positioned at the upper end of the reinforcing cross rod.
As a further description of the above technical solution:
the plurality of anchor rods are all arranged in a circular shape.
As a further description of the above technical solution:
and the anchor rods are all made of stainless steel materials.
As a further description of the above technical solution:
and a baffle is fixedly arranged at the lower end of the thread sleeve heads.
As a further description of the above technical solution:
the plurality of baffles are each configured in a circular shape.
As a further description of the above technical solution:
the prefabricated tunnel is arranged in a semicircular shape.
As a further description of the above technical solution:
the movable hole is arranged in a circular shape.
The utility model discloses following beneficial effect has:
compare in current device, this novel collapsible loess tunnel supporting construction when using, because the threaded rod is the activity setting in the movable hole, thereby the adjusting position that the threaded rod can be random conveniently connects the reinforcement horizontal pole, and then makes this supporting construction form a whole for this structural stability is stronger.
Compare in current device, this novel collapsible loess tunnel supporting construction can make embedded bar more stable at the pole inslot through the reinforcement reinforcing bar when using, and then makes this supporting construction more stable safety.
Drawings
Fig. 1 is a schematic front sectional view of a collapsible loess tunnel supporting structure provided by the present invention;
fig. 2 is a schematic side sectional view of a collapsible loess tunnel supporting structure provided by the present invention;
fig. 3 is a schematic side view of an anchor rod of the collapsible loess tunnel supporting structure provided by the present invention;
fig. 4 is the utility model provides a collapsible loess tunnel supporting construction's stock side cuts open the schematic diagram.
Illustration of the drawings:
1. prefabricating a tunnel; 2. a muddy soil layer; 3. reinforcing steel bars; 4. a mud drill bit; 5. a screw head; 6. an anchor rod; 7. a rod groove; 8. a waterproof layer; 9. a protective net; 10. a baffle plate; 11. reinforcing the cross bar; 12. a threaded rod; 13. a movable hole; 14. threading a sleeve head; 15. grouting holes; 16. embedding reinforcing steel bars in advance; 17. extending the limit sliding chute; 18. and fixing the connector.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: a collapsible loess tunnel supporting structure comprises a prefabricated tunnel 1, a waterproof layer 8 is fixedly arranged inside the prefabricated tunnel 1, the waterproof layer 8 is used for the waterproof function of the tunnel, a muddy soil layer 2 is fixedly arranged on one side, away from the tunnel wall of the prefabricated tunnel 1, of the waterproof layer 8, the muddy soil layer 2 is used for enhancing the stability of the tunnel, a protective net 9 is fixedly arranged on one side, away from the waterproof layer 8, of the muddy soil layer 2, a plurality of rod grooves 7 are formed in the top surface of the prefabricated tunnel 1 in an equidistant mode, anchor rods 6 are movably arranged inside the rod grooves 7, a mud drill bit 4 is fixedly arranged at the upper end of each anchor rod 6, a plurality of grouting holes 15 are formed in the rod body two sides of each anchor rod 6 in an equidistant mode, extension limiting sliding grooves 17 are formed in the centers of the inner wall of the front side and the inner wall of the rear side of each anchor rod 6, embedded steel bars 16 are movably arranged inside the anchor rods, a plurality of reinforcing steel bars 3 are fixedly arranged on the front side and the rear side of each embedded steel bar 16 in an equidistant mode, the one end that embedded bar 16 was kept away from to a plurality of reinforcing bars 3 is all fixed to be set up in extension limiting sliding groove 17, the upper end of embedded bar 16 sets firmly fixed connector 18, the fixed thread head 5 that is provided with of lower extreme of embedded bar 16, the one end that stock 6 kept away from pole groove 7 runs through waterproof layer 8, muddy soil layer 2 and protection network 9 lead to the outside to protection network 9, the lower extreme threaded connection of thread head 5 has threaded sleeve head 14, thereby can adjust length through rotating threaded sleeve head 14 and make reinforcing horizontal pole 11 tightly extrude protection network 9, movable hole 13 has been seted up to one side center department of threaded sleeve head 14, the inside activity cover of movable hole 13 is equipped with threaded rod 12, a plurality of threaded rods 12 are two liang between through reinforcing horizontal pole 11 threaded connection.
The working principle is as follows: when using this novel collapsible loess tunnel supporting construction, at first install anchor rod 6 mud drill bit 4, then rotate anchor rod 6 through corresponding equipment and drive mud drill bit 4 and rotate, make mud drill bit 4 set up out the pole groove 7, then at 6 interpolation on anchor rod embedded bar 16, promote embedded bar 16 and make mud drill bit 4 and 6 separation of anchor rod through fixed connector 18, then take anchor rod 6 out, fill mud in pole groove 7 through anchor rod 6 at the in-process of taking anchor rod 6 out, then install screw thread pullover 14, rethread threaded rod 12 installation anchor rod 6.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a collapsible loess tunnel supporting construction, includes prefabricated tunnel (1), its characterized in that: the concrete grouting structure is characterized in that a waterproof layer (8) is fixedly arranged inside the prefabricated tunnel (1), a muddy soil layer (2) is fixedly arranged on one side, away from the tunnel wall of the prefabricated tunnel (1), of the waterproof layer (8), a protective net (9) is fixedly arranged on one side, away from the waterproof layer (8), of the muddy soil layer (2), a plurality of rod grooves (7) are formed in the top surface of the prefabricated tunnel (1) in an equidistant mode, anchor rods (6) are movably arranged inside the rod grooves (7), a mud drill bit (4) is fixedly arranged at the upper ends of the anchor rods (6), a plurality of grouting holes (15) are formed in the two sides of each rod body of each anchor rod (6) in an equidistant mode, extension limiting sliding grooves (17) are formed in the centers of the inner wall of the front side and the inner wall of the rear side of each anchor rod (6), pre-buried reinforcing steel bars (16) are fixedly arranged in an equidistant mode on the front side and the rear side of each pre-buried steel bar (16), it is a plurality of the one end that embedded steel bar (16) were kept away from in reinforcement reinforcing bar (3) is all fixed to be set up in extension spacing spout (17), fixed connector (18) have set firmly in the upper end of embedded steel bar (16), the lower extreme of embedded steel bar (16) is fixed to be provided with screw thread head (5), the one end that rod groove (7) were kept away from in stock (6) runs through waterproof layer (8), muddy soil layer (2) and protection network (9) and leads to the outside to protection network (9), the lower extreme threaded connection of screw thread head (5) has screw thread pullover (14), activity hole (13) have been seted up at one side center department of screw thread pullover (14), the inside activity cover of activity hole (13) is equipped with threaded rod (12), and is a plurality of through consolidating horizontal pole (11) threaded connection between two liang of threaded rod (12).
2. The collapsible loess tunnel supporting construction according to claim 1, wherein: the protective net (9) is positioned at the upper end of the reinforcing cross bar (11).
3. The collapsible loess tunnel supporting construction according to claim 1, wherein: the plurality of anchor rods (6) are all arranged in a circular shape.
4. The collapsible loess tunnel supporting construction according to claim 1, wherein: the anchor rods (6) are all made of stainless steel materials.
5. The collapsible loess tunnel supporting construction according to claim 1, wherein: the lower ends of the plurality of thread sleeve heads (14) are all fixedly provided with baffle plates (10).
6. The collapsible loess tunnel supporting construction according to claim 5, wherein: the plurality of baffles (10) are each provided in a circular shape.
7. The collapsible loess tunnel supporting construction according to claim 1, wherein: the prefabricated tunnel (1) is arranged in a semicircular shape.
8. The collapsible loess tunnel supporting construction according to claim 1, wherein: the movable hole (13) is provided in a circular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120139276.3U CN214247338U (en) | 2021-01-19 | 2021-01-19 | Collapsible loess tunnel supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120139276.3U CN214247338U (en) | 2021-01-19 | 2021-01-19 | Collapsible loess tunnel supporting construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214247338U true CN214247338U (en) | 2021-09-21 |
Family
ID=77751157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120139276.3U Expired - Fee Related CN214247338U (en) | 2021-01-19 | 2021-01-19 | Collapsible loess tunnel supporting construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214247338U (en) |
-
2021
- 2021-01-19 CN CN202120139276.3U patent/CN214247338U/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: 20210921 |