CN221053726U - Tunnel reinforced structure - Google Patents
Tunnel reinforced structure Download PDFInfo
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- CN221053726U CN221053726U CN202323279135.XU CN202323279135U CN221053726U CN 221053726 U CN221053726 U CN 221053726U CN 202323279135 U CN202323279135 U CN 202323279135U CN 221053726 U CN221053726 U CN 221053726U
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- reaming
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- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 26
- 230000002093 peripheral effect Effects 0.000 claims abstract description 18
- 238000006073 displacement reaction Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 8
- 230000002787 reinforcement Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000011378 shotcrete Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides a tunnel reinforcing structure, which belongs to the technical field of tunnel reinforcing structures and aims to solve the problem that holes for embedding grouting anchor rods are extruded and deformed by peripheral loess, so that the grouting anchor rods cannot be embedded smoothly, and the construction progress of tunnel reinforcing engineering is affected; the arc-shaped support frame is arranged above the high-strength movable frame body; the arc-shaped sliding frames are two groups, and the two groups of arc-shaped sliding frames respectively slide on arc-shaped sliding rails on two sides of the high-strength movable frame body; the two end faces of the guide sliding rail are respectively arranged at the inner sides of the two groups of arc sliding frames; the reaming mechanism is arranged on the side surface of the reaming frame; the shifting mechanism is arranged on the side face of the guide sliding rail. The utility model has the advantages of avoiding the situation that the grouting anchor rod cannot be smoothly embedded due to the fact that the holes of the embedded grouting anchor rod are extruded and deformed by the surrounding loess, avoiding secondary construction and improving the working efficiency.
Description
Technical Field
The utility model belongs to the technical field of tunnel reinforcement structures, and particularly relates to a tunnel reinforcement structure.
Background
The method is characterized in that the construction of the tunnel is carried out steadily by following the principles of early prediction, pipe advance, non-blasting, short excavation, little disturbance, severe water control, strong support, early closure, duty measurement and tight lining, when the soil structure around the tunnel changes to cause the stress change of the tunnel, the local stress overload of the tunnel segment ring, the leakage of the plate and other structural diseases are caused, so that the tunnel segment ring needs to be reinforced timely and supported, surrounding rock is closed in the shortest time, the tunnel is supported by a tunnel temporary reinforcing structure during the primary support of the tunnel, the tunnel temporary reinforcing structure is usually composed of a movable frame body and an arch support plate, the movable frame body can realize the mobility of the tunnel temporary reinforcing structure, and the arch support plate above the movable frame body can support the top end of the tunnel in the initial stage.
The prior application number is: the application relates to a tunnel deviation rectifying and reinforcing structure, which relates to the technical field of tunnel reinforcement, and comprises a plurality of reinforcing beams which are distributed at intervals and are arranged in an arch shape, wherein each reinforcing beam comprises a semicircular top beam and side beams which are vertically arranged at two ends of the top beam, a plurality of supporting beams are arranged on the outer walls of the top beam and the side beams at intervals, and the supporting beams are used for abutting against the inner side walls of a tunnel; the inner side wall of the supporting beam is provided with a supporting tube with a rectangular section, the outer walls of the top beam and the side beams are respectively provided with a sliding tube with a rectangular section aligned with the inner wall of the tunnel, the sliding tubes are connected with the supporting tube in an inserting and sliding manner, and a locking mechanism for fixing the supporting tube is arranged between the supporting beam and the supporting tube. According to the application, the supporting beam with the adjustable position is arranged to abut against the inner wall of the tunnel, so that the free adjustment of the working size of the reinforcing mechanism is realized, and the supporting and reinforcing of tunnels with different sizes are realized.
Based on the above, when the temporary reinforcing structure of the tunnel is adopted to support the tunnel, in order to prevent collapse, one or two layers of supporting structures of the "sprayed concrete+steel arch" are added on the outer layer on the basis of the original "sprayed concrete+steel arch" so as to keep preliminary stability of surrounding rock, and the grouting anchor rod is buried to enhance the stability of soil around the tunnel, and before the grouting anchor rod is buried, holes are required to be perforated in advance, but when the collapsibility of loess around the tunnel (the nature that the loess is under dead weight or external load and the structure is damaged rapidly after being soaked by water) is large, holes which are perforated in advance for burying the grouting anchor rod are extruded by the surrounding loess to deform, so that the grouting anchor rod cannot be buried smoothly after temporary reinforcement of the tunnel is carried out, and the construction progress of the tunnel reinforcing engineering is affected.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a tunnel reinforcing structure, which aims to solve the problems that when a tunnel is supported by adopting a tunnel temporary reinforcing structure, grouting anchors are buried to enhance the stability of soil around the tunnel, when the collapsibility of loess around the tunnel is large, holes which are punched in advance for burying the grouting anchors are extruded by the loess around to deform, so that the grouting anchors cannot be buried smoothly after temporary reinforcing of the tunnel is carried out, secondary construction is caused, and the construction progress of tunnel reinforcing engineering is influenced.
The utility model discloses a tunnel reinforcing structure, which is characterized by comprising the following specific technical means:
A tunnel reinforcing structure comprises a high-strength movable frame body, an arc-shaped supporting frame, a guide sliding rail, a servo motor, an arc-shaped sliding frame, a reaming motor, a reaming mechanism and a shifting mechanism;
A plurality of groups of cylinder telescopic rods are arranged below the high-strength movable frame body, the high-strength movable frame body has a lifting function through the plurality of groups of cylinder telescopic rods below, and the front end face and the rear end face of the high-strength movable frame body are provided with a group of arc-shaped sliding rails;
The arc-shaped support frame is arranged above the high-strength movable frame body and plays a role in supporting a tunnel;
The arc-shaped sliding frames are in two groups, and the two groups of arc-shaped sliding frames are respectively and slidably connected to arc-shaped sliding rails on the front end face and the rear end face of the high-strength movable frame body;
The servo motor is fixedly connected to the side surfaces of a group of arc-shaped sliding frames;
the two end faces of the guide sliding rail are respectively and fixedly connected to the inner side faces of the two groups of arc sliding frames;
the reaming frame is arranged on the side surface of the guide sliding rail;
The reaming motor is fixedly connected inside the reaming frame;
The reaming mechanism is arranged on the side surface of the reaming frame;
the shifting mechanism is arranged on the side face of the guide sliding rail.
Further, the displacement mechanism comprises a displacement screw rod and a displacement nut;
The shifting screw rods are rotationally connected inside the two groups of arc-shaped sliding frames, the shifting screw rods are fixedly connected with a motor shaft of the servo motor in a coaxial manner, and threads are formed on the peripheral surfaces of the shifting screw rods;
The shifting nut is in threaded connection with the outer peripheral surface of the shifting screw rod, and the shifting nut and the shifting screw rod form a screw rod structure.
Further, the shifting mechanism further comprises a shifting sliding block and a shifting plate;
The shifting slide block is connected to the side face of the guide slide rail in a sliding manner, and plays a guide role in the moving process of the shifting nut;
The shifting plate is fixedly connected to the side surfaces of the shifting sliding block and the shifting nut, four groups of mounting holes are formed in the shifting plate, and the reaming frame is connected with the shifting plate through bolts.
Further, the reaming mechanism comprises a reaming screw and a second sleeve;
The reaming screw is rotationally connected inside the reaming frame, is coaxially and fixedly connected with a motor shaft of the reaming motor, and is provided with threads on the peripheral surface;
The second sleeve is rotatably connected to the top end of the reaming screw.
Further, the reaming mechanism further comprises a first sleeve;
The screw thread is offered to first sleeve inner peripheral face, and first sleeve threaded connection is at reaming screw rod outer peripheral face, and reaming screw rod constitute the lead screw structure.
Further, the reaming mechanism further comprises a telescopic connecting rod and a reaming plate;
The telescopic connecting rods are in a plurality of groups, and one ends of the telescopic connecting rods are respectively hinged to the outer peripheral surfaces of the second sleeve and the first sleeve;
The reaming boards are multiple groups, and the multiple groups of reaming boards are hinged to the other ends of the multiple groups of telescopic connecting rods.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, through the arrangement of the high-strength movable frame body, the lifting of the tunnel reinforcing structure is realized through the plurality of groups of cylinder telescopic rods below the high-strength movable frame body, and the support of tunnels with different heights is facilitated.
According to the utility model, through the arrangement of the displacement mechanism, the servo motor rotates, the movement of the reaming frame in the length direction of the tunnel is realized through the transmission cooperation of the screw rod structure formed by the displacement screw rod and the displacement nut and the displacement plate, and the arc-shaped movement of the reaming frame in the tunnel can be realized through the arc-shaped sliding rail of the two groups of arc-shaped sliding frames, which slides on the high-strength movable frame body.
According to the utility model, through the arrangement of the reaming mechanism, the reaming motor rotates, and the lead screw structure formed by the reaming screw and the first sleeve is matched with the transmission of the plurality of groups of telescopic connecting rods, so that the plurality of groups of reaming plates expand outwards and ream the holes of the embedded grouting anchor rod, and the problem that the grouting anchor rod cannot be smoothly embedded due to loess extrusion during temporary reinforcement of a tunnel is avoided.
The utility model has the advantages that the movement of the reaming frame in the length direction of the tunnel and the arc direction in the tunnel is realized, the situation that the grouting anchor rod cannot be smoothly embedded due to the fact that the holes which are punched in advance for embedding the grouting anchor rod are extruded by peripheral loess and deformed after the temporary reinforcement of the tunnel is carried out is avoided, the secondary construction is avoided, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a schematic view of the structure of the arc-shaped supporting frame of the present utility model.
Fig. 3 is a schematic view of the shifting mechanism of the present utility model.
Fig. 4 is a schematic view of the reamer motor of the present utility model.
Fig. 5 is a schematic view of the reaming mechanism of the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. A high strength movable frame; 2. an arc-shaped supporting frame; 3. a guide rail; 4. a servo motor; 5. a displacement screw; 6. a displacement nut; 7. a shift slider; 8. a displacement plate; 9. an arc-shaped sliding frame; 10. a reaming frame; 11. reaming the motor; 12. reaming a screw; 13. a first sleeve; 14. a second sleeve; 15. a telescopic connecting rod; 16. a diffuser plate.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
Embodiment one:
as shown in fig. 1 to 3:
The utility model provides a tunnel reinforcing structure which comprises a high-strength movable frame body 1, an arc-shaped supporting frame 2, a guide sliding rail 3, a servo motor 4, an arc-shaped sliding frame 9, a reaming frame 10, a reaming motor 11 and a shifting mechanism, wherein the arc-shaped sliding frame is arranged on the upper surface of the high-strength movable frame body;
A plurality of groups of cylinder telescopic rods are arranged below the high-strength movable frame body 1, the high-strength movable frame body 1 has a lifting function through the plurality of groups of cylinder telescopic rods below, and the front end face and the rear end face of the high-strength movable frame body 1 are provided with a group of circular arc-shaped sliding rails;
the arc-shaped support frame 2 is arranged above the high-strength movable frame body 1, and the arc-shaped support frame 2 plays a role in supporting a tunnel;
The arc-shaped sliding frames 9 are divided into two groups, and the two groups of arc-shaped sliding frames 9 are respectively and slidably connected to arc-shaped sliding rails on the front end face and the rear end face of the high-strength movable frame body 1;
the servo motor 4 is fixedly connected to the side face of a group of arc-shaped sliding frames 9;
the two end faces of the guide sliding rail 3 are respectively and fixedly connected with the inner side faces of the two groups of arc sliding frames 9;
the reaming frame 10 is arranged on the side surface of the guide sliding rail 3;
The reaming motor 11 is fixedly connected inside the reaming frame 10;
the shifting mechanism is arranged on the side face of the guide sliding rail 3.
Wherein the displacement mechanism comprises a displacement screw 5 and a displacement nut 6;
The shifting screw rods 5 are rotationally connected inside the two groups of arc-shaped sliding frames 9, the shifting screw rods 5 are fixedly connected with a motor shaft of the servo motor 4 in a coaxial manner, and threads are formed on the peripheral surfaces of the shifting screw rods 5;
the shifting nut 6 is connected with the outer peripheral surface of the shifting screw 5 in a threaded manner, and the shifting nut 6 and the shifting screw 5 form a screw structure.
Wherein the displacement mechanism further comprises a displacement sliding block 7 and a displacement plate 8;
The shifting slide block 7 is connected to the side surface of the guide slide rail 3 in a sliding way, and the shifting slide block 7 plays a guide role in the moving process of the shifting nut 6;
The shifting plate 8 is fixedly connected to the sides of the shifting slide block 7 and the shifting nut 6, four groups of mounting holes are formed in the shifting plate 8, and the reaming frame 10 is connected with the shifting plate 8 through bolts.
Specific use and action of the first embodiment:
When the hole of burying the slip casting stock is needed to be repaired when the tunnel is temporarily reinforced, the servo motor 4 is started, the servo motor 4 rotates to drive the shift screw 5 to rotate, the shift screw 5 rotates to drive the shift nut 6 to move, the shift slide block 7 plays a guiding role in the moving process of the shift nut 6, the shift nut 6 moves to drive the shift plate 8 to move, the shift plate 8 moves to drive the reaming frame 10 to move, the reaming frame 10 is moved in the length direction of the tunnel, and the reaming frame 10 can be moved in the tunnel in the arc shape through the arc-shaped sliding rails of the front end face and the rear end face of the high-strength movable frame body 1 in a sliding mode through the two groups of arc-shaped sliding frames 9.
Embodiment two:
On the basis of the first embodiment, as shown in fig. 1 to 5, the reaming mechanism is further included, and the reaming mechanism is arranged on the side surface of the reaming frame 10;
wherein the reaming mechanism comprises a reaming screw 12 and a second sleeve 14;
The reaming screw 12 is rotationally connected inside the reaming frame 10, the reaming screw 12 is fixedly connected with a motor shaft of the reaming motor 11 coaxially, and threads are formed on the peripheral surface of the reaming screw 12;
The second sleeve 14 is rotatably connected to the top end of the reamer screw 12.
Wherein the reaming mechanism further comprises a first sleeve 13;
The first sleeve 13 is threaded on the inner peripheral surface, the first sleeve 13 is in threaded connection with the outer peripheral surface of the reaming screw 12, and the reaming screw 12 form a screw structure.
Wherein, the reaming mechanism also comprises a telescopic connecting rod 15 and a reaming plate 16;
The telescopic connecting rods 15 are in a plurality of groups, and one ends of the telescopic connecting rods 15 are respectively hinged to the outer peripheral surfaces of the second sleeve 14 and the first sleeve 13;
the hole-expanding plates 16 are multiple groups, and the hole-expanding plates 16 are hinged to the other ends of the telescopic connecting rods 15.
Specific use and action of the second embodiment:
When the reaming frame 10 moves to a proper position, when the hole of the embedded grouting anchor rod needs to be repaired, the reaming motor 11 is started, the reaming motor 11 rotates to drive the reaming screw 12 to rotate, the reaming screw 12 rotates to drive the first sleeve 13 to move, the first sleeve 13 moves to enable the plurality of groups of telescopic connecting rods 15 to shrink, the plurality of groups of telescopic connecting rods 15 shrink to drive the plurality of groups of reaming plates 16 to expand outwards, the plurality of groups of reaming plates 16 to expand outwards can ream the hole of the embedded grouting anchor rod, the problem that the grouting anchor rod cannot be embedded smoothly due to the fact that the peripheral loess extrusion deformation is received in advance for embedding the grouting anchor rod is avoided, secondary construction is avoided, and working efficiency is improved.
Claims (6)
1. The utility model provides a tunnel reinforced structure, this tunnel reinforced structure includes high strength movable support body (1), arc support frame (2), direction slide rail (3), servo motor (4), arc carriage (9), reaming frame (10), reaming motor (11), reaming mechanism and shift mechanism; a plurality of groups of cylinder telescopic rods are arranged below the high-strength movable frame body (1), and a group of circular arc-shaped sliding rails are arranged on the front end face and the rear end face of the high-strength movable frame body (1); the arc-shaped supporting frame (2) is arranged above the high-strength movable frame body (1); the method is characterized in that: the arc-shaped sliding frames (9) are two groups, and the two groups of arc-shaped sliding frames (9) are respectively and slidably connected to arc-shaped sliding rails on the front end face and the rear end face of the high-strength movable frame body (1); the reaming mechanism is arranged on the side face of the reaming frame (10); the shifting mechanism is arranged on the side face of the guide sliding rail (3); the servo motor (4) is fixedly connected to the side face of a group of arc-shaped sliding frames (9); the two end faces of the guide sliding rail (3) are respectively and fixedly arranged on the inner side faces of the two groups of arc sliding frames (9); the reaming frame (10) is arranged on the side face of the guide sliding rail (3); the reaming motor (11) is fixedly arranged inside the reaming frame (10).
2. A tunnel reinforcing structure according to claim 1, wherein: the displacement mechanism comprises a displacement screw rod (5) and a displacement nut (6); the shifting screw rods (5) are rotatably arranged inside the two groups of arc-shaped sliding frames (9), and the shifting screw rods (5) are fixedly connected with a motor shaft of the servo motor (4) in a coaxial way; the shifting nut (6) is arranged on the outer peripheral surface of the shifting screw rod (5) in a threaded mode, and the shifting nut (6) and the shifting screw rod (5) form a screw rod structure.
3. A tunnel reinforcing structure according to claim 2, wherein: the shifting mechanism further comprises a shifting sliding block (7) and a shifting plate (8); the shifting slide block (7) is slidably arranged on the side face of the guide slide rail (3); the shifting plate (8) is fixedly arranged on the side surfaces of the shifting sliding block (7) and the shifting nut (6), four groups of mounting holes are formed in the shifting plate (8), and the reaming frame (10) is connected with the shifting plate (8) through bolts.
4. A tunnel reinforcing structure according to claim 1, wherein: the reaming mechanism comprises a reaming screw (12) and a second sleeve (14); the reaming screw (12) is rotationally connected inside the reaming frame (10), and the reaming screw (12) is coaxially and fixedly connected with a motor shaft of the reaming motor (11); the second sleeve (14) is rotatably mounted on the top end of the reaming screw (12).
5. A tunnel reinforcing structure according to claim 4, wherein: the reaming mechanism further comprises a first sleeve (13); the first sleeve (13) is in threaded connection with the outer peripheral surface of the reaming screw (12), and the reaming screw (12) form a screw structure.
6. A tunnel reinforcing structure according to claim 4, wherein: the reaming mechanism further comprises a telescopic connecting rod (15) and a reaming plate (16); the telescopic connecting rods (15) are in a plurality of groups, and one ends of the telescopic connecting rods (15) are respectively hinged to the outer peripheral surfaces of the second sleeve (14) and the first sleeve (13); the reaming plates (16) are in a plurality of groups, and the plurality of groups of reaming plates (16) are hinged to the other ends of the plurality of groups of telescopic connecting rods (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323279135.XU CN221053726U (en) | 2023-12-02 | 2023-12-02 | Tunnel reinforced structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323279135.XU CN221053726U (en) | 2023-12-02 | 2023-12-02 | Tunnel reinforced structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221053726U true CN221053726U (en) | 2024-05-31 |
Family
ID=91225292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323279135.XU Active CN221053726U (en) | 2023-12-02 | 2023-12-02 | Tunnel reinforced structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221053726U (en) |
-
2023
- 2023-12-02 CN CN202323279135.XU patent/CN221053726U/en active Active
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