CN217001893U - Device for fixing tunnel inverted arch steel arch frame - Google Patents
Device for fixing tunnel inverted arch steel arch frame Download PDFInfo
- Publication number
- CN217001893U CN217001893U CN202122946800.0U CN202122946800U CN217001893U CN 217001893 U CN217001893 U CN 217001893U CN 202122946800 U CN202122946800 U CN 202122946800U CN 217001893 U CN217001893 U CN 217001893U
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- anchor rod
- steel
- arch
- fixing
- tunnel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 60
- 239000010959 steel Substances 0.000 title claims abstract description 60
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000004873 anchoring Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 5
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 17
- 239000000758 substrate Substances 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 201000010099 disease Diseases 0.000 abstract description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 239000011435 rock Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 101150097977 arch-1 gene Proteins 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a device for fixing tunnel inverted arch steel arches, which comprises steel arches, a buckling mechanism and anchoring devices, wherein two limiting grooves are symmetrically formed in the buckling mechanism, the steel arches penetrate through the limiting grooves and are fixedly connected with the limiting grooves, the buckling mechanism can fix two adjacent steel arches together, the distance between the two steel arches is kept constant, the steel arches are limited, the installation of the steel arches is more standard, the size of a fixing frame under the condition that the steel arches are different in distance due to human factors in the traditional installation of the steel arches can be adjusted according to the actual requirements of site construction, the anchoring devices symmetrically arranged on two sides of the buckling mechanism can effectively improve the phenomena of tunnel bottom expansion and substrate settlement, the tunnel construction and operation processes are reduced, and the problems caused by the non-standard steel arch distance and the occurrence of substrate diseases are solved.
Description
Technical Field
The utility model belongs to the field of inverted arch steel arches for tunnel construction, and relates to a device for fixing inverted arch steel arches of tunnels.
Background
Along with the development of tunnel construction technology and the requirement of economic development, the tunnel scale is bigger and bigger, the problems are more and more, in most mountainous and hilly areas, geological conditions are complex and changeable, and along with conditions such as high ground stress, weak geology and the like, certain difficulty is brought to tunnel construction, in the prior art, the problems of tunnel bottom expansion and substrate sedimentation frequently exist, and the problem of substrate sedimentation deformation caused by water soaking exists, so that a plurality of potential safety hazards exist in the tunnel.
In addition, in the construction process, the distances between the steel arches are different due to human factors and geological conditions, and the safety and operation of the tunnel are greatly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems of expansion and settlement of a tunnel base, improve the normative and convenience of tunnel construction and provide a device for fixing an inverted arch steel arch of a tunnel. The utility model relates to a buckle device manufactured by a mechanized processing factory, which is composed of an upper anchor rod hole, is convenient to install and transport, can greatly reduce manpower, material resources and financial resources, has obvious social benefits and construction benefits, and can achieve the purpose of fixing an inverted arch steel arch frame.
In order to achieve the purpose, the utility model adopts the following technical scheme to realize the purpose:
a device for fixing an inverted arch steel arch of a tunnel comprises the steel arch, a buckle mechanism and an anchoring device;
the buckle mechanism is symmetrically provided with two limiting grooves, and the steel arch frame penetrates through the limiting grooves and is fixedly connected with the limiting grooves;
and anchoring devices are symmetrically arranged on two sides of the buckling mechanism.
The utility model is further improved in that:
the anchoring device is a self-advancing anchor rod, a reserved anchor rod hole is formed in the buckle mechanism, and the self-advancing anchor rod penetrates through the reserved anchor rod hole and is rigidly connected with the reserved anchor rod hole.
And the self-advancing anchor rod is welded with the reserved anchor rod hole.
The self-advancing anchor rod is fixedly connected with the reserved anchor rod hole through a bolt.
The self-advancing anchor rods are respectively positioned on the outer sides of the corresponding limiting grooves.
The two limiting grooves are arranged at intervals, and a gap exists between the two limiting grooves.
The limiting groove is rectangular.
The buckle mechanism is made of spring steel.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model discloses a device for fixing tunnel inverted arch steel arches, wherein the device is symmetrically provided with limit grooves, two adjacent steel arches can be fixed together, the distance between the two steel arches is kept constant, the limit on the steel arches is realized, the installation of the steel arches is more standard, the condition that the distances between the steel arches are different due to human factors in the traditional installation of the steel arches is overcome, the size of a fixing frame can be adjusted according to the actual requirements of site construction, and the adaptability is stronger; simultaneously, the anchoring devices are arranged on two sides of the buckling mechanism, so that the phenomena of tunnel bottom expansion and substrate settlement can be effectively improved, the tunnel construction and operation processes are reduced, and the problems caused by irregular steel arch frame intervals and substrate diseases are solved.
Furthermore, the anchoring device of the utility model is a self-advancing anchor rod and a reserved anchor rod hole, the self-advancing anchor rod can ensure the grouting effect under the complex geological conditions, the function of anchor rod support is exerted, the anti-bending strength and the shearing strength are obviously superior to the conventional mortar anchor rod with the same section, and the self-advancing anchor rod can be used as a grouting pipe to reinforce the surrounding rock of the substrate, thereby reducing the deformation of the substrate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a structural view of the buckle mechanism of the present invention.
Wherein: 1-steel arch centering; 2-a snap-fit mechanism; 3-self-advancing anchor rod; and 4, reserving anchor rod holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "horizontal", "inner", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the term "horizontal", if present, does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The utility model is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the embodiment of the utility model discloses a device for fixing an inverted arch steel arch of a tunnel, which comprises a steel arch 1, a buckle mechanism 2, a self-advancing anchor rod 3 and a reserved anchor rod hole 4;
two symmetrical limiting grooves are formed in the buckling mechanism 2, the steel arch frame 1 is fixed in the limiting grooves, reserved anchor rod holes 4 are formed in two sides of the buckling mechanism 2, and the self-advancing anchor rods 3 penetrate through the reserved anchor rod holes 4.
The self-advancing anchor rod 3 and the reserved anchor rod hole 4 can be connected by bolts or welded.
The shape of spacing groove is the rectangle, and two sets of formula stock 3 of advancing are located the outside in spacing groove respectively.
The embodiment discloses a set of buckling mechanisms 2, and in actual construction, the number of the buckling mechanisms 2 can be increased according to actual requirements. Likewise, the number of self-advancing bolts 3 can also be adjusted according to the actual situation.
in the tunnel invert work progress, when the invert excavation back, when laying the steel bow member, select the buckle mechanism 2 of uniform size, buckle mechanism 2 is formed by the better rigid material preparation of toughness, can select the spring steel in the embodiment, has certain toughness and intensity, fixes two adjacent steel bow members 1 together, makes the distance of two steel bow members 1 keep certain, reaches the fixed action to steel bow member 1.
Two reserved anchor rod holes 4 are respectively arranged on the left side and the right side of the buckle mechanism 2, when the geological condition of the tunnel is poor, the soft bearing capacity of the basement surrounding rock is poor, large sedimentation is easy to occur, or the tunnel is located in a high ground stress section to cause expansion of the tunnel bottom, a self-advancing anchor rod 3 can be adopted, the grouting effect under the complex geological condition can be ensured, the effect of anchor rod supporting is exerted, the bending resistance and the shearing strength are obviously superior to those of a conventional mortar anchor rod with the same section, and the anchor rod can be used as a grouting pipe, so that the reinforcement of the basement surrounding rock is realized, and the deformation of the basement is reduced.
Referring to fig. 2, when the steel arch 1 is laid, the steel arch is fixed through a plurality of fastening mechanisms 2, the self-advancing anchor rod 3 reinforces the surrounding rock of the substrate through the anchor rod hole 4 reserved on the fastening mechanism 2, so that the self-advancing anchor rod 3 and the steel arch 1 are coordinated and unified, and the effects of improving the expansion of the tunnel bottom and reducing the settlement of the substrate are achieved.
The application steps of the embodiment of the utility model are as follows:
when the tunnel inverted arch steel arch frames are laid, the buckling mechanisms 2 are installed between the adjacent steel arch frames, so that the distance between the steel arch frames 1 is fixed;
after installing a certain amount of buckle mechanisms 2 according to the needs of engineering, adopting self-advancing anchor rod 3, reinforcing the basement surrounding rock through reserving anchor rod hole 4, adjusting the length of self-advancing anchor rod 3 through the construction scheme, thereby realizing the fixation of the inverted arch steel arch.
In summary, the device disclosed in the embodiment of the present invention produces positive effects:
when the steel arch is installed to the tunnel invert, can fix the steel arch through this device, simultaneously, when tunnel geology country rock is relatively poor or produce high ground stress, through the anchor rod hole of device both sides, apply the stock to the basement, can effectual improvement tunnel bottom inflation and the phenomenon that the basement subsides, reduce the problem that tunnel construction and operation in-process lead to because of the appearance of steel arch interval irregularity and basement disease.
The standardization and the safety of tunnel construction are effectively improved, the settlement of the base is reduced, the problem that the steel arch spaces are different due to human factors in the installation of the traditional steel arch is solved, the anchor rods and the steel arch are unified and coordinated, the deformation of the base is reduced, and certain safety guarantee is provided for tunnel construction operation.
The device disclosed by the utility model has the advantages of low manufacturing cost, reduced material waste phenomenon and improved tunnel construction progress to a certain extent.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A device for fixing an inverted arch steel arch of a tunnel is characterized by comprising a steel arch (1), a buckling mechanism (2) and an anchoring device;
two limiting grooves are symmetrically formed in the buckle mechanism (2), and the steel arch frame (1) penetrates through the limiting grooves and is fixedly connected with the limiting grooves;
anchoring devices are symmetrically arranged on two sides of the buckling mechanism (2).
2. The device for fixing the tunnel invert steel arch according to claim 1, characterized in that the anchoring device is a self-advancing anchor rod (3), the fastening mechanism (2) is provided with a reserved anchor rod hole (4), and the self-advancing anchor rod (3) penetrates through the reserved anchor rod hole (4) and is rigidly connected with the reserved anchor rod hole (4).
3. A device for fixing an inverted arch steel arch of a tunnel according to claim 2, wherein the self-advancing anchor rod (3) is welded with the reserved anchor rod hole (4).
4. A device for fixing an inverted arch steel arch of a tunnel according to claim 3, wherein the self-advancing type anchor rod (3) is fixedly connected with the reserved anchor rod hole (4) through a bolt.
5. A device for fixing an inverted arch steel arch of a tunnel according to claim 4, wherein the self-advancing type anchor rods (3) are respectively located outside the corresponding limit grooves.
6. The device for fixing the inverted arch steel arch of the tunnel according to claim 5, wherein the two limiting grooves are spaced apart from each other, and a gap is formed between the two limiting grooves.
7. The device for fixing the inverted arch steel arch of the tunnel according to claim 6, wherein the shape of the limiting groove is rectangular.
8. A device for fixing an inverted arch steel arch of a tunnel according to any one of claims 1 to 7, wherein the material of the snap mechanism (2) is spring steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122946800.0U CN217001893U (en) | 2021-11-26 | 2021-11-26 | Device for fixing tunnel inverted arch steel arch frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122946800.0U CN217001893U (en) | 2021-11-26 | 2021-11-26 | Device for fixing tunnel inverted arch steel arch frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217001893U true CN217001893U (en) | 2022-07-19 |
Family
ID=82381882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122946800.0U Expired - Fee Related CN217001893U (en) | 2021-11-26 | 2021-11-26 | Device for fixing tunnel inverted arch steel arch frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217001893U (en) |
-
2021
- 2021-11-26 CN CN202122946800.0U patent/CN217001893U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220719 |
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| CF01 | Termination of patent right due to non-payment of annual fee |