CN220487612U - Soft rock tunnel excavation supporting device - Google Patents
Soft rock tunnel excavation supporting device Download PDFInfo
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- CN220487612U CN220487612U CN202322285584.9U CN202322285584U CN220487612U CN 220487612 U CN220487612 U CN 220487612U CN 202322285584 U CN202322285584 U CN 202322285584U CN 220487612 U CN220487612 U CN 220487612U
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- soft rock
- rock tunnel
- screw rod
- slot
- nut
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 90
- 239000011435 rock Substances 0.000 title claims abstract description 45
- 238000009412 basement excavation Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 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
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 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 soft rock tunnel excavation supporting device, which relates to the technical field of underground engineering machinery and comprises a bottom plate, a support column and a support frame, wherein a soft rock tunnel body is arranged at the top end of the bottom plate, the support column is arranged at the middle position of the top end of the bottom plate below the soft rock tunnel body, support side columns are arranged at the top ends of two sides of the bottom plate, first connecting plates are arranged at the bottom ends of the support side columns, a third screw cap is arranged at one side, far away from the support column, of the first connecting plates, a third screw rod is arranged at one side of the third screw cap, and a second slot is formed in the top ends of two sides of the support column. According to the utility model, the nut is sleeved on the outer wall of the first screw rod in the arch-shaped supporting groove, the supporting frame and the arch-shaped supporting groove can be fixed through the nut and the first screw cap by rotating the nut, and the two sides of the arch-shaped supporting groove are supported through the supporting frame.
Description
Technical Field
The utility model relates to the technical field of underground engineering machinery, in particular to a soft rock tunnel excavation supporting device.
Background
The highway tunnel is taken as an important ring in transportation, not only can improve the line type, overcome the obstruction of the terrain height difference, shorten the mileage, reduce the travel time, and relatively reduce the damage to the environment, but also has the incomparable advantage of other projects, and the problems encountered in the current tunnel construction process mainly comprise the problems of large deformation of the weak surrounding rock extrusion, the safety and the durability of the supporting structure, seepage corrosion and large deformation, secondary lining cracking, water burst mud burst and the like.
Through retrieving, chinese patent grant publication No. CN207620821U, publication day 2018, 7 month 17, discloses a soft rock tunnel excavation supporting device, and it is proposed herein that "through setting up tunnel strutting arrangement, has played the effect of supporting to the soft rock tunnel, when external pressure is applied to the soft rock tunnel, through the effect of this strutting arrangement, can make the pressure that the soft rock tunnel bore reduce greatly" support through single bearing structure, and only support the intermediate position, single-point supporting effect is relatively poor, in view of this, to above-mentioned problem, intensive study has in touch with the present case and has been produced.
Disclosure of Invention
The utility model aims to provide a soft rock tunnel excavation supporting device which is used for solving the problem that the single-point supporting effect is poor in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the soft rock tunnel excavation supporting device comprises a bottom plate, a supporting column and a supporting frame;
the soft rock tunnel body is installed on the top of bottom plate, and the top intermediate position department of soft rock tunnel body below bottom plate installs the support column, the top of bottom plate both sides is provided with the support jamb, and supports the bottom of jamb and all installs first connecting plate, one side that the support column was kept away from to first connecting plate is provided with the third nut, and the third screw rod is installed to one side of third nut, the second slot has been seted up to the inside on support column both sides top, and supports the top of jamb one side and install the second connecting plate, the bottom of second connecting plate is provided with the fourth nut, and the fourth screw rod is installed on the top of fourth nut, arch supporting groove is installed on the inside top of soft rock tunnel body, and arch supporting groove's internally mounted has a plurality of bracing pieces, the inside of arch supporting groove bottom both sides has all been seted up the third slot, and the inside both sides of soft rock tunnel body all are provided with the support frame, the inside upper and lower both ends that are close to soft rock tunnel body one side of support frame all are provided with the second nut, and the second screw rod body is all installed to one side of second screw rod, the inside of soft rock tunnel body is all installed to the first screw rod, the inside both sides that just first screw rod has the first screw rod has all been set up, the first screw rod top, and the first screw rod top has all been set up the inside the first screw rod, the inside top all has the first screw rod.
Preferably, one end of the third screw rod passes through the first connecting plate, and one end of the third screw rod extends to the inside of the second slot.
Preferably, threads are arranged in the second slot, and the third screw rods are connected with the second slot through threads.
Preferably, the top ends of the fourth screws all penetrate through the second connecting plate, and the top ends of the fourth screws all extend to the inside of the third slot.
Preferably, threads are arranged in the third slot, and the fourth screw rod is connected with the third slot through threads.
Preferably, one end of the second screw rod passes through the supporting frame, and one end of the second screw rod extends to the inside of the first slot.
Preferably, threads are arranged in the first slot, and the second screw rods are connected with the first slot through threads.
Preferably, the top ends of the first screws sequentially penetrate through the supporting frame and the arch-shaped supporting groove, and the top ends of the first screws extend to the inside of the arch-shaped supporting groove.
Compared with the prior art, the utility model has the beneficial effects that: the fourth screw is driven to rotate through the fourth screw cap, and because the fourth screw is connected with the third slot through threads, the fourth screw can be screwed into the third slot, the supporting side column is fixed with the arch supporting groove, the middle position of the arch supporting groove is supported through the supporting column and the supporting side column, the first screw is inserted into the arch supporting groove, the nut is sleeved on the outer wall of the first screw inside the arch supporting groove, the nut is rotated, the supporting frame and the arch supporting groove can be fixed through the nut and the first screw cap, and the two sides of the arch supporting groove are supported through the supporting frame.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;
FIG. 2 is a schematic diagram of a front view structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 1B according to the present utility model.
In the figure: 1. a bottom plate; 2. a support column; 3. a support frame; 4. a soft rock tunnel body; 5. a support rod; 6. an arched support slot; 7. a first nut; 8. a nut; 9. a first screw; 10. a second nut; 11. a second screw; 12. a first slot; 13. a third nut; 14. a fourth nut; 15. a second connecting plate; 16. a fourth screw; 17. a third slot; 18. supporting side posts; 19. a first connection plate; 20. a second slot; 21. and a third screw.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1: referring to fig. 1-4, a soft rock tunnel excavation supporting device comprises a bottom plate 1, a supporting column 2 and a supporting frame 3;
the soft rock tunnel body 4 is installed at the top end of the bottom plate 1, the support column 2 is installed at the middle position of the top end of the bottom plate 1 below the soft rock tunnel body 4, the supporting side posts 18 are arranged at the top ends of two sides of the bottom plate 1, the first connecting plates 19 are installed at the bottom ends of the supporting side posts 18, a third screw cap 13 is arranged at one side of the first connecting plates 19 far away from the support column 2, a third screw rod 21 is installed at one side of the third screw cap 13, a second slot 20 is formed in the inner part of the top ends of two sides of the support column 2, a second connecting plate 15 is installed at the top end of one side of the supporting side posts 18, a fourth screw cap 14 is arranged at the bottom end of the second connecting plate 15, a fourth screw rod 16 is installed at the top end of the fourth screw cap 14, an arch supporting groove 6 is installed at the top end of the inner part of the soft rock tunnel body 4, a plurality of supporting rods 5 are installed at the inner parts of the arch supporting groove 6, a third slot 17 is formed in the inner part of two sides of the arch supporting groove 6, a supporting frame 3 is arranged at two sides of the inner part of the soft rock tunnel body 4, a second screw cap 10 is arranged at the upper end and lower end of one side of the supporting frame 4, the second screw cap 9 is arranged at the inner part of the second screw cap 10 near the side of the soft rock tunnel body 4, the first screw cap 9 is arranged at the inner part of the first screw cap 9 near the two sides of the inner side of the soft rock body 4, and the first screw caps 9 are respectively arranged at the inner ends of the first screw caps 9 near the first screw caps 7;
one end of the third screw rod 21 passes through the first connecting plate 19, and one end of the third screw rod 21 extends to the inside of the second slot 20;
threads are arranged in the second slot 20, and the third screw rods 21 are connected with the second slot 20 through threads;
the top ends of the fourth screws 16 all penetrate through the second connecting plate 15, and the top ends of the fourth screws 16 all extend into the third slot 17;
threads are arranged in the third slot 17, and the fourth screw 16 is connected with the third slot 17 through threads;
one end of the second screw 11 passes through the support frame 3, and one end of the second screw 11 extends into the first slot 12;
threads are arranged in the first slot 12, and the second screw 11 is connected with the first slot 12 through threads;
the top ends of the first screw rods 9 sequentially penetrate through the supporting frame 3 and the arched supporting groove 6, and the top ends of the first screw rods 9 extend into the arched supporting groove 6;
specifically, as shown in fig. 1, 2, 3 and 4, when the mechanism is used, the third screw cap 13 is rotated by a tool, the third screw cap 13 drives the third screw rod 21 to rotate, and since the third screw rod 21 is in threaded connection with the second slot 20, in the process of rotating the second slot 20, the second slot 20 can be gradually screwed into the second slot 20, so as to fix the support side column 18 with the support column 2, then the fourth screw cap 14 is rotated, the fourth screw rod 16 is driven to rotate by the fourth screw cap 14, and since the fourth screw rod 16 is in threaded connection with the third slot 17, the fourth screw rod 16 can be screwed into the third slot 17, fix the support side column 18 with the arch support slot 6, fix the support frame 3 with the soft rock tunnel body 4, then place the first screw cap 7 on the top end of the inside of the support frame 3, insert the first screw rod 9 into the arch support slot 6, set the nut 8 on the outer wall of the first screw rod 9 inside the arch support slot 6, and fix the support frame 3 and the arch support frame 6 by the nut 8.
Working principle: the worker installs the arch-shaped supporting groove 6 at the top end of the inside of the soft rock tunnel body 4, then installs the supporting column 2 at the top end of the bottom plate 1, places the supporting jambs 18 at both sides of the supporting column 2, makes the top ends of the supporting jambs 18 and the bottom ends of the arch-shaped supporting groove 6 abut against each other, then rotates the third screw cap 13 through a tool, drives the third screw rod 21 to rotate through the third screw cap 13, and because the third screw rod 21 and the second slot 20 are connected through threads, the second slot 20 can be gradually screwed into the inside of the second slot 20 in the process of rotating the second slot 20, thereby fixing the supporting jambs 18 and the supporting column 2, then rotates the fourth screw cap 14, drives the fourth screw rod 16 to rotate through the fourth screw cap 14, and because the fourth screw rod 16 and the third slot 17 are connected through threads, the fourth screw rod 16 can be screwed into the inside of the third slot 17, the supporting side posts 18 are fixed with the arch-shaped supporting groove 6, the middle position of the arch-shaped supporting groove 6 is supported by the supporting columns 2 and the supporting side posts 18, then the supporting frame 3 is arranged on two sides of the inside of the soft rock tunnel body 4, the second screw cap 10 is rotated, the second screw rod 11 is driven to rotate by the second screw cap 10, the second screw rod 11 can be screwed into the inside of the first slot 12 because the second screw rod 11 is connected with the first slot 12 through threads, the supporting frame 3 is fixed with the soft rock tunnel body 4, then the first screw cap 7 is arranged at the top end of the inside of the supporting frame 3, the first screw rod 9 is inserted into the inside of the arch-shaped supporting groove 6, the nut 8 is sleeved on the outer wall of the first screw rod 9 in the arch-shaped supporting groove 6, the supporting frame 3 and the arch-shaped supporting groove 6 can be fixed through the nut 8 and the first screw cap 7 by rotating the nut 8, both sides of the arch-shaped supporting groove 6 are supported by the supporting frame 3.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (8)
1. The utility model provides a soft rock tunnel excavation strutting arrangement, includes bottom plate (1), its characterized in that: the device also comprises a support column (2) and a support frame (3);
soft rock tunnel body (4) are installed on the top of bottom plate (1), and support column (2) are installed on top intermediate position department of bottom plate (1) below soft rock tunnel body (4), support jamb (18) are provided with on the top of bottom plate (1) both sides, and first connecting plate (19) are all installed on the bottom of support jamb (18), one side that support column (2) was kept away from to first connecting plate (19) is provided with third nut (13), and third screw rod (21) are installed on one side of third nut (13), second slot (20) have been seted up on the inside on top of support column (2) both sides, and second connecting plate (15) are installed on the top of support jamb (18) one side, the bottom of second connecting plate (15) is provided with fourth nut (14), and fourth screw rod (16) are installed on the top of fourth nut (14), arch supporting groove (6) are installed on the inside top of soft rock tunnel body (4), and arch supporting groove (6) internally mounted a plurality of bracing pieces (5), arch supporting groove (6) are all provided with arch supporting frame (3) both sides inside (3) on the inside of arch supporting groove (6), the support frame (3) is inside to be close to upper and lower both ends of soft rock tunnel body (4) one side all to be provided with second nut (10), and second screw rod (11) are all installed to one side that second nut (10) is close to soft rock tunnel body (4), two first slot (12) have all been seted up to the inside of soft rock tunnel body (4) both sides, and the inside top of support frame (3) all is provided with first nut (7), first screw rod (9) are all installed on the top of first nut (7), and the outer wall of the inside first screw rod (9) of arch supporting groove (6) all overlaps and is equipped with nut (8).
2. A soft rock tunnel excavation supporting apparatus as claimed in claim 1, wherein: one end of each third screw rod (21) penetrates through the first connecting plate (19), and one end of each third screw rod (21) extends to the inside of the second slot (20).
3. A soft rock tunnel excavation supporting apparatus as claimed in claim 1, wherein: the second slots (20) are internally provided with threads, and the third screws (21) are connected with the second slots (20) through threads.
4. A soft rock tunnel excavation supporting apparatus as claimed in claim 1, wherein: the top ends of the fourth screws (16) all penetrate through the second connecting plate (15), and the top ends of the fourth screws (16) all extend to the inside of the third slot (17).
5. A soft rock tunnel excavation supporting apparatus as claimed in claim 1, wherein: threads are arranged in the third slot (17), and the fourth screw (16) is connected with the third slot (17) through the threads.
6. The soft rock tunnel excavation supporting apparatus of claim 5, wherein: one end of the second screw rod (11) penetrates through the supporting frame (3), and one end of the second screw rod (11) extends to the inside of the first slot (12).
7. The soft rock tunnel excavation supporting apparatus of claim 5, wherein: the first slots (12) are internally provided with threads, and the second screws (11) are connected with the first slots (12) through the threads.
8. The soft rock tunnel excavation supporting apparatus of claim 5, wherein: the top of first screw rod (9) all passes support frame (3) and arch supporting groove (6) in proper order, and the inside of arch supporting groove (6) is all extended to the top of first screw rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322285584.9U CN220487612U (en) | 2023-08-24 | 2023-08-24 | Soft rock tunnel excavation supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322285584.9U CN220487612U (en) | 2023-08-24 | 2023-08-24 | Soft rock tunnel excavation supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220487612U true CN220487612U (en) | 2024-02-13 |
Family
ID=89836230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322285584.9U Active CN220487612U (en) | 2023-08-24 | 2023-08-24 | Soft rock tunnel excavation supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220487612U (en) |
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2023
- 2023-08-24 CN CN202322285584.9U patent/CN220487612U/en active Active
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