CN219910801U - Collapse-preventing support frame in tunnel - Google Patents
Collapse-preventing support frame in tunnel Download PDFInfo
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- CN219910801U CN219910801U CN202320923702.1U CN202320923702U CN219910801U CN 219910801 U CN219910801 U CN 219910801U CN 202320923702 U CN202320923702 U CN 202320923702U CN 219910801 U CN219910801 U CN 219910801U
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- tunnel
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- worm
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- 238000009434 installation Methods 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000002265 prevention Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 5
- 230000003028 elevating effect Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides an anti-collapse support frame in a tunnel, which relates to the technical field of tunnel protection and comprises symmetrically distributed bottom plates, wherein fixing pins are arranged in the bottom plates in a penetrating manner, lifting mechanisms are arranged in installation cavities, movable rods are arranged in the installation cavities, mounting frames are arranged at the top ends of the movable rods, adjusting mechanisms are arranged in the mounting frames, connecting rods are arranged in the mounting frames, fixing plates are arranged at the top ends of the connecting rods, supporting rods are arranged at the top ends of the fixing plates, and supporting plates are arranged at the top ends of the supporting rods; through being provided with adjustment mechanism in the inside of mounting bracket, utilize adjustment mechanism's mutually supporting, can adjust fixed plate, bracing piece and backup pad for fixed plate, bracing piece and backup pad are when using, can adjust according to the angle in tunnel, make this support body can convenient regulation when using, thereby have improved the practicality of this support body when using greatly.
Description
Technical Field
The utility model relates to the technical field of tunnel protection, in particular to an inner collapse prevention support frame for a tunnel.
Background
With the development of economy and the continuous improvement of the technology level, the development of the foundation engineering of China is faster and faster, and the tunnel is an engineering building embedded in the underground space and is a form of utilizing the underground space by human beings. The tunnels can be divided into traffic tunnels, hydraulic tunnels, municipal tunnels, mine tunnels and military tunnels;
when the tunnel is constructed, the collapse-preventing support frame in the tunnel is required to protect the tunnel during construction, so that the safety of tunnel construction is ensured, the safety of workers is also ensured, the existing collapse-preventing support device for tunnel construction is built on site according to the area of the tunnel, the existing collapse-preventing support device for tunnel construction is inconvenient to adjust, the existing collapse-preventing support device is often abandoned after being used once, and meanwhile, if the area of the tunnel is changed during construction, a new device is required to protect the tunnel, and certain limitation exists during use, so that the collapse-preventing support frame in the tunnel is provided for solving the problems.
Disclosure of Invention
Aiming at the problems, the utility model provides a collapse-preventing support frame in a tunnel, which solves the problems that the existing collapse-preventing support frame for tunnel construction in the prior art is inconvenient to adjust when being built on site according to the area of the tunnel, is always abandoned after being used once, and needs a new device to protect if the area of the tunnel is changed during construction, and has certain limitation during use.
In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the utility model provides an anti-collapse support in tunnel, includes the bottom plate of symmetric distribution, the inside of bottom plate runs through and is provided with the fixed pin, the installation cavity is installed on the top of bottom plate, the inside of installation cavity is provided with elevating system, the inside of installation cavity is provided with the movable rod, the mounting bracket is installed on the top of movable rod, the inside of mounting bracket is provided with adjustment mechanism, the inside of mounting bracket is provided with the connecting rod, the fixed plate is installed on the top of connecting rod, the bracing piece is installed on the top of fixed plate, the backup pad is installed on the top of bracing piece;
the adjusting mechanism comprises a rotating wheel, a worm wheel, a limiting rail and a limiting structure, wherein the rotating wheel is arranged on one side of the mounting frame, the worm is arranged in the mounting frame, one end of the rotating wheel is connected with one end of the worm, the worm wheel is meshed with the upper portion of the worm, one end of the worm wheel is connected with one end of the connecting rod, the limiting rail is arranged on the top end of the mounting frame, and the connecting rod penetrates through the two ends of the limiting rail.
The further improvement is that: the limiting structure comprises a positioning hole and a bolt, wherein the positioning hole penetrates through two ends of the limiting rail, and the bolt is arranged in the positioning hole.
The further improvement is that: the locating holes are formed in the limiting rail, and the locating holes are distributed at equal intervals in the limiting rail.
The further improvement is that: the lifting mechanism comprises a servo motor, a first conical gear, a second conical gear, a rotating sleeve, a moving block and a guide structure, wherein the servo motor is arranged below one side of an installation cavity, the first conical gear is arranged on one side of the inside of the installation cavity, the output end of the servo motor is connected with one end of the first conical gear, the second conical gear is meshed with the lower portion of the first conical gear, the rotating sleeve is arranged at the top end of the second conical gear, the inner side wall of the rotating sleeve is provided with an inner thread, the moving block is arranged inside the rotating sleeve, the outer side wall of the moving block is provided with an outer thread, the rotating sleeve is in threaded connection with the moving block, and the top end of the moving block is connected with the bottom end of a movable rod.
The further improvement is that: the guide structure comprises guide grooves, guide blocks, positioning grooves and fixing blocks, wherein the guide grooves are formed in two sides of the inner portion of the movable rod, the guide blocks are arranged above the inner side of the installation cavity and are mutually matched, the positioning grooves are formed in the upper portion of the rotating sleeve, the fixing blocks are arranged at the bottom ends of the guide blocks, and the positioning grooves are mutually matched with the fixing blocks.
The further improvement is that: the inner diameter of the guide groove is larger than the outer diameter of the guide block, and a sliding structure is formed between the guide groove and the guide block.
The beneficial effects of the utility model are as follows: through being provided with adjustment mechanism in the inside of mounting bracket, utilize the runner of adjustment mechanism, worm wheel, spacing rail, locating hole and the bolt mutually support, can adjust fixed plate, bracing piece and backup pad for fixed plate, bracing piece and backup pad can be adjusted according to the angle in tunnel when using, make this support body can convenient regulation when using, thereby improved the practicality of this support body when using greatly; through being provided with elevating system in the inside of installation cavity, utilize elevating system's servo motor, first conical gear, second conical gear, change cover, movable block, guide way, guide block, the locating slot and the fixed block between mutually supporting, can adjust the processing to the height of fixed plate for this support body can be applicable to the tunnel of not co-altitude, can carry out repetitious usage to this support body, thereby improved the comprehensiveness of this support body when using greatly.
Drawings
FIG. 1 is a schematic cross-sectional elevation view of the present utility model;
FIG. 2 is a schematic side sectional view of an adjustment mechanism according to the present utility model;
FIG. 3 is a schematic view of the structure of the present utility model shown in FIG. 1 at a partially enlarged scale;
fig. 4 is a schematic view of a partial enlarged structure at B in fig. 1 according to the present utility model.
Wherein: 1. a bottom plate; 2. a fixing pin; 3. a mounting cavity; 4. a movable rod; 5. a mounting frame; 6. a connecting rod; 7. a fixing plate; 8. a support rod; 9. a support plate; 10. a rotating wheel; 11. a worm; 12. a worm wheel; 13. a limit rail; 14. positioning holes; 15. a plug pin; 16. a servo motor; 17. a first bevel gear; 18. a second bevel gear; 19. a rotating sleeve; 20. a moving block; 21. a guide groove; 22. a guide block; 23. a positioning groove; 24. and a fixed block.
Detailed Description
The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
According to the figures 1, 2, 3, 4 show, this embodiment has proposed an anti-collapse support in tunnel, including symmetrical distribution's bottom plate 1, the inside of bottom plate 1 runs through and is provided with fixed pin 2, installation cavity 3 is installed on the top of bottom plate 1, the inside of installation cavity 3 is provided with elevating system, the inside of installation cavity 3 is provided with movable rod 4, mounting bracket 5 is installed on the top of movable rod 4, the inside of mounting bracket 5 is provided with adjustment mechanism, the inside of mounting bracket 5 is provided with connecting rod 6, fixed plate 7 is installed on the top of connecting rod 6, bracing piece 8 is installed on the top of fixed plate 7, backup pad 9 is installed on the top of bracing piece 8.
The utility model provides an adjusting mechanism includes runner 10, worm 11, worm wheel 12, spacing rail 13 and limit structure, runner 10 installs in one side of mounting bracket 5, the internally mounted of mounting bracket 5 has worm 11, the one end of runner 10 is connected with the one end of worm 11, the top meshing of worm 11 has worm wheel 12, the one end of worm wheel 12 is connected with the one end of connecting rod 6, spacing rail 13 installs in the top of mounting bracket 5, connecting rod 6 runs through in the both ends of spacing rail 13, during the use, takes out bolt 15 from the inside of locating hole 14, and rethread runner 10 drives worm 11 and rotates, because intermesh between worm 11 and the worm wheel 12, so utilize worm wheel 12 to drive connecting rod 6 and rotate, and then adjust the angle of fixed plate 7, bracing piece 8 and backup pad 9, with its being adjusted to suitable position, utilize the mutually supporting between worm 11 and the worm wheel 12, can carry out preliminary location to connecting rod 6, then insert bolt 15 in the inside of locating hole 14, carry out secondary location processing to connecting rod 6, available backup pad 9 supports the tunnel protection this moment.
The limit structure comprises a locating hole 14 and a bolt 15, wherein the locating hole 14 is arranged at two ends of the limit rail 13 in a penetrating mode, the bolt 15 is arranged in the locating hole 14, a plurality of locating holes 14 are arranged in the limit rail 13, the locating holes 14 are distributed at equal intervals in the limit rail 13, and when the limit structure is used, the connecting rod 6 can be subjected to secondary locating treatment by means of mutual matching between the locating holes 14 and the bolt 15, so that the connecting rod 6 is more stable when in use, and the fixing plate 7 is more stable when in use.
The lifting mechanism comprises a servo motor 16, a first conical gear 17, a second conical gear 18, a rotating sleeve 19, a moving block 20 and a guiding structure, wherein the servo motor 16 is arranged below one side of an installation cavity 3, the first conical gear 17 is arranged at one side of the inside of the installation cavity 3, the output end of the servo motor 16 is connected with one end of the first conical gear 17, the second conical gear 18 is meshed below the first conical gear 17, the rotating sleeve 19 is arranged at the top end of the second conical gear 18, internal threads are arranged on the inner side wall of the rotating sleeve 19, the moving block 20 is arranged inside the rotating sleeve 19, external threads are arranged on the outer side wall of the moving block 20, threaded connection is formed between the rotating sleeve 19 and the moving block 20, the top end of the moving block 20 is connected with the bottom end of a movable rod 4, and when the lifting mechanism is used, the lifting mechanism starts the servo motor 16 to drive the first conical gear 17 to rotate, the second conical gear 18 is meshed with one end of the first conical gear 17, the rotating sleeve 19 is driven by the second conical gear 18, the inner side wall of the rotating sleeve 19 is provided with internal threads, the moving block 20 is driven by the rotating sleeve 19 and the fixed frame 22, and the moving plate 20 is driven by the fixed frame 20 to the fixed frame 7, and the moving frame 20 is driven to the fixed frame 20, the lifting frame 20 is driven by the moving frame 20 and the moving frame 20 to the full height is not to rotate, and the moving frame 20 is driven by the fixed frame 7.
The guide structure comprises a guide groove 21, a guide block 22, a positioning groove 23 and a fixed block 24, wherein the guide groove 21 is formed in two sides of the inside of the movable rod 4, the guide block 22 is arranged above the inner side of the installation cavity 3, the guide groove 21 and the guide block 22 are mutually matched, the positioning groove 23 is arranged above the rotating sleeve 19, the fixed block 24 is arranged at the bottom end of the guide block 22, the positioning groove 23 and the fixed block 24 are mutually matched, the inner diameter of the guide groove 21 is larger than the outer diameter of the guide block 22, a sliding structure is formed between the guide groove 21 and the guide block 22, and when the guide structure is used, the movable rod 4 can be guided in moving, so that the movable rod 4 is more stable in moving, and the rotating sleeve 19 can be limited in rotating by the mutual matching between the positioning groove 23 and the fixed block 24, so that the rotating sleeve 19 is more stable in rotating.
Working principle: firstly, a worker moves the frame body to a proper position, then the fixing pin 2 is used for fixing the bottom plate 1, at the moment, the servo motor 16 is started to drive the first bevel gear 17 to rotate, the first bevel gear 17 is meshed with the second bevel gear 18, the second bevel gear 18 is driven to rotate, then under the cooperation of the positioning groove 23 and the fixing block 24, the second bevel gear 18 is used for driving the rotating sleeve 19 to rotate, the rotating sleeve 19 is connected with the moving block 20 in a threaded manner, the moving block 20 is driven to move, then under the limit of the guide groove 21 and the guide block 22, the moving block 20 is used for driving the movable rod 4 to move, then the fixing plate 7 is driven to move, the fixing plate 7 is adjusted to a proper height, then the bolt 15 is pulled out from the inside of the positioning hole 14, the rotating wheel 10 is used for driving the worm 11 to rotate, and the worm 11 is meshed with the worm wheel 12, at the moment, the connecting rod 6 is driven to rotate by the positioning groove 23, the angle of the supporting rod 8 and the supporting plate 9 is adjusted to a proper position, then the worm wheel 15 is inserted into the positioning hole 14, and the secondary supporting plate 9 is protected by the supporting rod 9.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a collapse prevention strut in tunnel, includes bottom plate (1) of symmetric distribution, its characterized in that: the novel lifting device is characterized in that a fixing pin (2) is arranged in the bottom plate (1) in a penetrating manner, an installation cavity (3) is arranged at the top end of the bottom plate (1), a lifting mechanism is arranged in the installation cavity (3), a movable rod (4) is arranged in the installation cavity (3), a mounting frame (5) is arranged at the top end of the movable rod (4), an adjusting mechanism is arranged in the mounting frame (5), a connecting rod (6) is arranged in the mounting frame (5), a fixing plate (7) is arranged at the top end of the connecting rod (6), a supporting rod (8) is arranged at the top end of the fixing plate (7), and a supporting plate (9) is arranged at the top end of the supporting rod (8);
the utility model provides an adjusting mechanism includes runner (10), worm (11), worm wheel (12), spacing rail (13) and limit structure, one side in mounting bracket (5) is installed to runner (10), the internally mounted of mounting bracket (5) has worm (11), the one end of runner (10) is connected with the one end of worm (11), the top meshing of worm (11) has worm wheel (12), the one end and the one end of connecting rod (6) of worm wheel (12) are connected, the top in mounting bracket (5) is installed to spacing rail (13), connecting rod (6) run through in the both ends of spacing rail (13).
2. The in-tunnel collapse prevention support according to claim 1, wherein: the limiting structure comprises a positioning hole (14) and a bolt (15), wherein the positioning hole (14) is arranged at two ends of the limiting rail (13) in a penetrating mode, and the bolt (15) is arranged in the positioning hole (14).
3. The in-tunnel collapse prevention support according to claim 2, wherein: the positioning holes (14) are formed in the limiting rail (13), and the positioning holes (14) are distributed at equal intervals in the limiting rail (13).
4. The in-tunnel collapse prevention support according to claim 1, wherein: elevating system includes servo motor (16), first conical gear (17), second conical gear (18), changes cover (19), movable block (20) and guide structure, servo motor (16) are installed in the below of installation cavity (3) one side, first conical gear (17) are installed in one side of installation cavity (3) inside, the output of servo motor (16) is connected with one end of first conical gear (17), the below meshing of first conical gear (17) has second conical gear (18), change cover (19) are installed on the top of second conical gear (18), the inside wall of change cover (19) is provided with the internal thread, the inside of change cover (19) is provided with movable block (20), the lateral wall of movable block (20) is provided with the external screw thread, change and constitute threaded connection between cover (19) and movable block (20), the top of movable block (20) is connected with the bottom of movable rod (4).
5. The in-tunnel collapse prevention support according to claim 4, wherein: the guide structure comprises a guide groove (21), a guide block (22), a positioning groove (23) and a fixed block (24), wherein the guide groove (21) is formed in two sides of the inside of the movable rod (4), the guide block (22) is arranged above the inner side of the installation cavity (3), the guide groove (21) and the guide block (22) are mutually matched, the positioning groove (23) is formed in the upper side of the rotating sleeve (19), the fixed block (24) is arranged at the bottom end of the guide block (22), and the positioning groove (23) and the fixed block (24) are mutually matched.
6. The in-tunnel collapse prevention support according to claim 5, wherein: the inner diameter of the guide groove (21) is larger than the outer diameter of the guide block (22), and a sliding structure is formed between the guide groove (21) and the guide block (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320923702.1U CN219910801U (en) | 2023-04-23 | 2023-04-23 | Collapse-preventing support frame in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320923702.1U CN219910801U (en) | 2023-04-23 | 2023-04-23 | Collapse-preventing support frame in tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219910801U true CN219910801U (en) | 2023-10-27 |
Family
ID=88441236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320923702.1U Active CN219910801U (en) | 2023-04-23 | 2023-04-23 | Collapse-preventing support frame in tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219910801U (en) |
-
2023
- 2023-04-23 CN CN202320923702.1U patent/CN219910801U/en active Active
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| GR01 | Patent grant |