CN220705737U - Double-locking foot anchor pipe guiding device for tunnel steel arch construction - Google Patents
Double-locking foot anchor pipe guiding device for tunnel steel arch construction Download PDFInfo
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- CN220705737U CN220705737U CN202322494800.0U CN202322494800U CN220705737U CN 220705737 U CN220705737 U CN 220705737U CN 202322494800 U CN202322494800 U CN 202322494800U CN 220705737 U CN220705737 U CN 220705737U
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- steel arch
- anchor pipe
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 39
- 239000010959 steel Substances 0.000 title claims abstract description 39
- 238000010276 construction Methods 0.000 title claims abstract description 22
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 239000011435 rock Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a double-locking foot anchor pipe guiding device for tunnel steel arch construction, which is arranged on a steel arch and is characterized by comprising a pair of U-shaped clamping plates which are arranged on wing plates at two sides of the steel arch, have the same structure and are connected through split bolts; a circular turntable rotatably mounted in the U-shaped clamping plate; the locking piece is arranged on the U-shaped clamping plate and can lock the round turntable, and the guide sleeve is fixed with the round turntable. The utility model has the advantages that: according to the guide device, two guide devices can be arranged on two sides of the wing plate of the steel arch through the split bolts, and two anchor pipes can be constructed at the same time; the setting angle can be adjusted through the installation of the round turntable, and the round turntable is locked through the locking piece, so that the setting angle is fixed; the guide sleeve is arranged into a structure which can be opened and closed through a hinge, and through the use of the fixing assembly, the anchor pipe can be installed in the guide sleeve, and the anchor pipe is convenient to detach after each of the anchor pipes is installed.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to a double-locking-foot anchor pipe guiding device for tunnel steel arch construction.
Background
In tunnel construction, when adopting steel bow member supporting construction, thereby in order to prevent that steel bow member from receiving the extrusion of country rock in the arch foot department and taking place to face the deformation in the tunnel, need to beat in the arch foot department with certain angle and establish lock foot anchor pipe in the country rock, then be connected lock foot anchor tip and steel bow member, some load on the steel bow member passes through the anchor pipe and transmits in the country rock, both form a common atress system, simultaneously because the anchor pipe is to the horizontal constraint effect of steel bow member arch foot department, the bearing capacity and the stability of steel bow member also can be improved.
When designing, the stress characteristics of the supporting structure are considered to reasonably design the setting height and angle of the foot locking anchor rod, but in actual construction, the setting height and the setting angle of the foot locking anchor pipe are often difficult to control due to the influence of factors such as construction environment, equipment and manpower, so that the overall stress effect of the supporting structure is greatly different from the expected stress effect, and even the construction safety is influenced. In addition, in a general supporting structure, one steel arch is usually fixed by only arranging one anchor pipe, and the phenomenon that the supporting strength is not enough easily occurs under special conditions.
Disclosure of Invention
According to the defects of the prior art, the utility model provides a double-locking-foot anchor pipe guiding device for tunnel steel arch construction, and the guiding device can install two guiding devices on two sides of a wing plate of the steel arch by adopting split bolts, so that two anchor pipes can be constructed simultaneously; the setting angle can be adjusted through the installation of the round turntable, and the round turntable is locked through the locking piece, so that the setting angle is fixed; the guide sleeve is arranged into a structure which can be opened and closed through a hinge, and through the use of the fixing assembly, the anchor pipe can be installed in the guide sleeve, and the anchor pipe is convenient to detach after each of the anchor pipes is installed.
The utility model is realized by the following technical scheme:
a two lock foot anchor pipe guider for tunnel steel bow member construction installs on the steel bow member, wherein includes:
the U-shaped clamping plates are arranged on wing plates at two sides of the steel arch frame, are symmetrical in structure and are connected through split bolts;
a circular turntable rotatably mounted in the U-shaped clamping plate;
a locking piece which is arranged on the U-shaped clamping plate and can lock the round turntable, and
and the guide sleeve is fixed with the round turntable.
Optionally, the U-shaped clamping plate comprises a pair of wide plates which are arranged in parallel and have the same structure, rib plates fixed on the same sides of the pair of wide plates, a pulling plate arranged at the longitudinal edge position of any wide plate, and a plurality of opposite pulling bolts penetrating through the pulling plate.
Optionally, the floor offer hold circular carousel hold the holding tank and with hold the locking groove of groove UNICOM, the locking piece pass the floor and be located partly the locking groove, the locking piece is kept away from or is contacted in the course of the work circular carousel.
Optionally, the locking piece comprises a locking bolt penetrating through the rib plate and a locking block which is positioned in the locking groove and fixed with the locking bolt, and the surface shape of the locking block facing the circular turntable is matched with the edge contour of the circular turntable.
Optionally, the circular turntable is provided with a connecting block, the connecting block is provided with a concave surface, and the connecting block is connected with the guide sleeve through the concave surface.
Optionally, the guide sleeve comprises a pair of half pipes which are symmetrical and identical in structure, a hinge for connecting the pair of half pipes and a fixing assembly for fixing the pair of half pipes.
Optionally, a pair of half pipes are combined to form a hollow straight pipe shape, the half pipes are provided with ear plates, the ear plates are provided with through holes, and the fixing component passes through the through holes to fix the pair of half pipes.
Optionally, the fixing assembly includes a fixing bolt and a nut.
The utility model has the advantages that: according to the guide device, two guide devices can be arranged on two sides of the wing plate of the steel arch through the split bolts, and two anchor pipes can be constructed at the same time; the setting angle can be adjusted through the installation of the round turntable, and the round turntable is locked through the locking piece, so that the setting angle is fixed; the guide sleeve is arranged into a structure which can be opened and closed through a hinge, and through the use of the fixing assembly, the anchor pipe can be installed in the guide sleeve, and the anchor pipe is convenient to detach after each of the anchor pipes is installed.
Drawings
FIG. 1 is a perspective view of a guide of the present utility model;
FIG. 2 is an exploded view of the guide of the present utility model;
fig. 3 is a schematic view of the installation of the guide device of the present utility model.
Detailed Description
The marks in the figure are respectively: 1. u-shaped clamping plates, 2, round turntables, 3, locking pieces, 4, guide sleeves, 5, split bolts, 11, wide plates, 12, rib plates, 13, pulling plates, 21, connecting blocks, 22, concave surfaces, 31, locking bolts, 32, locking blocks, 41, half pipes, 42, hinges, 43, lug plates, 44, through holes, 45, fixing components, 100, guide devices, 200, steel arches, 121, accommodating grooves, 122, locking grooves, 300, anchor pipes, 451, fixing bolts, 452 and nuts.
Examples: referring to fig. 1 and 2, there is shown a double-locking anchor pipe guide device 100 for tunnel steel arch construction according to an embodiment, which is installed on a steel arch, wherein the guide device 100 includes a pair of U-shaped splints 1 installed on both side wing plates of the steel arch 200 and having the same structural symmetry and connected by means of split bolts 5; a circular turntable 2 rotatably installed in the U-shaped clamping plate 1; a locking piece 3 which is arranged on the U-shaped clamping plate 1 and can lock the round turntable 2, and a guide sleeve 4 which is fixed with the round turntable 2.
In this embodiment, the U-shaped clamping plate 1 includes a pair of wide plates 11 arranged in parallel and having the same structure, rib plates 12 fixed on the same side of the pair of wide plates 11, a pulling plate 13 provided at the longitudinal edge position of any wide plate 11, and a plurality of split bolts 5 passing through the pulling plate 13.
In this embodiment, the rib 12 is provided with a receiving groove 121 for receiving the circular turntable 2 and a locking groove 122 in communication with the receiving groove 121, and the locking member 3 passes through the rib 12 and is partially located in the locking groove 122, and the locking member 3 is away from or contacts the circular turntable 2 during operation. The locking member 3 includes a locking bolt 31 passing through the rib plate 12 and a locking block 32 located in the locking groove 122 and fixed to the locking bolt 31, and the surface shape of the locking block 32 facing the circular turntable 2 matches the edge profile of the circular turntable 2.
In this embodiment, the circular turntable 2 is provided with a connection block 21, the connection block 21 has a concave surface 22, and the connection block 21 is connected with the guide sleeve 4 through the concave surface 22.
In this embodiment, the guide sleeve 4 includes a pair of identical half pipes 41 having symmetrical structures, a hinge 42 connecting the pair of half pipes 41, and a fixing assembly 45 fixing the pair of half pipes 41. The pair of half pipes 41 are combined to form a hollow straight pipe shape, and the half pipes 41 are provided with ear plates 43, the ear plates 43 are provided with through holes 44, and a fixing assembly 45 passes through the through holes 44 to fix the pair of half pipes 41. The securing assembly 45 includes a securing bolt 451 and a nut 452.
The features and functions of the present utility model will be further understood from the following description.
As shown in fig. 3, the present embodiment discloses a double-locking anchor pipe guide device 100 for tunnel steel arch construction, by which a steel arch 200, an anchor pipe 300 and surrounding rock can be firmly fixed by the guide device 100. The guide device 100 includes a pair of U-shaped clamping plates 1 with identical and symmetrical structures, the two U-shaped clamping plates 1 clamp two sides of the wing plates of the steel arch 200 respectively, and the two U-shaped clamping plates 1 are firmly connected through the split bolts 5, and the two U-shaped clamping plates 1 can be fixed at any same position on the vertical direction of the two sides of the wing plates of the steel arch 200.
The setting angle of the anchor tube 300 mounted thereon can then be arbitrarily adjusted by the circular turntable 2 rotatably mounted on the U-shaped clamping plate 1, the anchor tube 300 is mounted on the guide sleeve 4, and the guide sleeve 4 is fixed with the circular turntable 2 through the connection block 21. The guide sleeve 4 is arranged in the structure of opening and closing through the hinge 42 in the embodiment, the lug plate 43 is arranged at the opposite position of the hinge 42, the lug plate 43 is provided with the through hole 44, the fixing component 45 is arranged in the through hole 44 to fix the guide sleeve 4, and the guide sleeve 4 can meet the requirement of adapting to anchor pipes 300 with different sizes through the matching use of the hinge 42 and the fixing component 45.
The guide device of this embodiment can simultaneously provide two anchor tubes 300, and effectively increases the supporting strength compared to the conventional guide device in which only one anchor tube 300 is installed.
In summary, the guide device of the embodiment can install two guide devices on two sides of the wing plate of the steel arch through the split bolts, and can construct two anchor pipes simultaneously; the setting angle can be adjusted through the installation of the round turntable, and the round turntable is locked through the locking piece, so that the setting angle is fixed; the guide sleeve is arranged into a structure which can be opened and closed through a hinge, and through the use of the fixing assembly, the anchor pipe can be installed in the guide sleeve, and the anchor pipe is convenient to detach after each of the anchor pipes is installed.
The foregoing is merely illustrative of the preferred embodiments of the present utility model and is not intended to limit the embodiments and scope of the present utility model, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (8)
1. A two lock foot anchor pipe guider for tunnel steel bow member construction installs on the steel bow member, its characterized in that includes:
the U-shaped clamping plates are arranged on wing plates at two sides of the steel arch frame, are symmetrical in structure and are connected through split bolts;
a circular turntable rotatably mounted in the U-shaped clamping plate;
a locking piece which is arranged on the U-shaped clamping plate and can lock the round turntable, and
and the guide sleeve is fixed with the round turntable.
2. A double-locking foot anchor pipe guide device for tunnel steel arch construction according to claim 1, wherein the U-shaped clamping plate comprises a pair of wide plates which are arranged in parallel and have the same structure, rib plates fixed on the same sides of the pair of wide plates, a pulling plate arranged at the longitudinal edge position of any wide plate and a plurality of opposite pulling bolts penetrating through the pulling plate.
3. A double-locking foot anchor pipe guide device for tunnel steel arch construction according to claim 2, wherein the rib plate is provided with a containing groove for containing the circular turntable and a locking groove communicated with the containing groove, the locking piece penetrates through the rib plate and is partially positioned in the locking groove, and the locking piece is far away from or contacts the circular turntable in the working process.
4. A double-locking foot anchor pipe guide for tunnel steel arch construction according to claim 3, wherein the locking piece comprises a locking bolt penetrating through the rib plate and a locking block which is positioned in the locking groove and fixed with the locking bolt, and the surface shape of the locking block facing the circular turntable is matched with the edge contour of the circular turntable.
5. A double-locking foot anchor pipe guide device for tunnel steel arch construction according to claim 1, wherein the circular turntable is provided with a connecting block having a concave surface through which the connecting block is connected with the guide sleeve.
6. A double-locking foot anchor pipe guide apparatus for tunnel steel arch construction according to claim 5, wherein the guide sleeve comprises a pair of half pipes which are symmetrical and identical in structure, a hinge connecting the pair of half pipes, and a fixing assembly fixing the pair of half pipes.
7. A double-locking foot anchor pipe guide for tunnel steel arch construction according to claim 6, wherein a pair of said half pipes are formed into a hollow straight pipe shape after being combined, and said half pipes have lugs provided with through holes through which said fixing members pass to fix said pair of half pipes.
8. A double-locking foot anchor pipe guide for tunnel steel arch construction according to claim 7, wherein the fixing assembly comprises a fixing bolt and a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322494800.0U CN220705737U (en) | 2023-09-14 | 2023-09-14 | Double-locking foot anchor pipe guiding device for tunnel steel arch construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322494800.0U CN220705737U (en) | 2023-09-14 | 2023-09-14 | Double-locking foot anchor pipe guiding device for tunnel steel arch construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220705737U true CN220705737U (en) | 2024-04-02 |
Family
ID=90444948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322494800.0U Active CN220705737U (en) | 2023-09-14 | 2023-09-14 | Double-locking foot anchor pipe guiding device for tunnel steel arch construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220705737U (en) |
-
2023
- 2023-09-14 CN CN202322494800.0U patent/CN220705737U/en active Active
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