Geotechnical engineering foundation pit anti-collapse stable supporting structure

Abstract

The utility model discloses an anti-collapse stable supporting structure for a geotechnical engineering foundation pit, which belongs to the technical field of geotechnical engineering and comprises a main plate, an expansion component is arranged in the main plate, and a vibration component is arranged on the side wall of the main plate. According to the supporting device, by arranging the expansion assembly, when the interior of a foundation pit needs to be supported, a driving motor on a protective cover is rotated forwards, the driving motor drives a rotating rod to rotate, the rotating rod drives a first bevel gear to rotate, and the first bevel gear drives an expansion threaded rod on a supporting plate to rotate through a second bevel gear; the expansion threaded rod enables the expansion plate to move towards the two sides through threads, the contact area of the main plate to rock and soil in a foundation pit is effectively enlarged, the supporting force to the foundation pit is enhanced, the safety problem caused by collapse in the foundation pit due to the small contact area is avoided, and the working safety is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of geotechnical engineering, and in particular relates to a geotechnical engineering foundation pit anti-collapse stable support structure. Background Art

[0002] Geotechnical engineering is the study of solving rock and soil engineering problems, including foundations, slopes and underground engineering. During the entire geological history of rock and soil formation and existence, they have undergone various complex geological effects and therefore have a complex structure and geostress field environment. During the construction process, it is often necessary to excavate foundation pits for further research.

[0003] At present, in the use of geotechnical foundation pit support devices, the contact area with the rock and soil in the foundation pit cannot be expanded, resulting in the collapse of the foundation pit, posing a safety hazard, reducing the safety factor of the work, affecting the progress of the project, invisibly increasing the cost of the project, reducing work efficiency, and failing to carry out work well. Therefore, a geotechnical engineering foundation pit anti-collapse stable support structure is proposed. Utility Model Content

[0004] The purpose of the utility model is to propose a geotechnical engineering foundation pit anti-collapse stabilizing support structure in order to solve the problem of foundation pit collapse caused by failure to expand the contact area with the rock and soil in the foundation pit, which poses a safety hazard.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a geotechnical engineering foundation pit anti-collapse stabilizing support structure, comprising a main board, an expansion component is arranged inside the main board, and a vibration component is arranged on the side wall of the main board;

[0006] The expansion component includes a protective cover, the lower surface of the protective cover is fixedly connected to the upper surface of the main board, a driving motor is fixedly installed on the upper surface of the protective cover, a rotating rod is fixedly installed on the output end of the driving motor, one end of the rotating rod extends to the interior of the main board, and a first gear is fixedly installed on the outer wall of the rotating rod.

[0007] As a further description of the above technical solution:

[0008] A first bevel gear is fixedly mounted on the outer wall of the rotating rod, a support plate is fixedly mounted on the inner wall of the bottom surface of the main board, and an expansion threaded rod is rotatably mounted on the inner wall of the support plate.

[0009] As a further description of the above technical solution:

[0010] A second bevel gear is fixedly mounted on one end of the expansion threaded rod, the first bevel gear is meshingly connected with the second bevel gear, and an expansion plate is threadedly mounted on the other end of the expansion threaded rod.

[0011] As a further description of the above technical solution:

[0012] The vibration assembly includes a supporting threaded rod, one end of the supporting threaded rod is rotatably connected to the inner wall of the bottom surface of the main board, a second gear is fixedly installed on the outer wall of the supporting threaded rod, the first gear is meshingly connected with the second gear, a first threaded sleeve is threadedly installed on the outer wall of the supporting threaded rod, a connecting block is fixedly installed on the outer wall of the first threaded sleeve, a first movable frame is fixedly installed on the side wall of the connecting block, and a hydraulic rod is rotatably installed on the inner wall of the first movable frame through a short rod.

[0013] As a further description of the above technical solution:

[0014] An active bevel gear is fixedly mounted on the outer wall of the supporting threaded rod, a fixed threaded rod is rotatably mounted on the inner wall of the main board, one end of the fixed threaded rod extends to the interior of the main board and is fixedly mounted with a driven bevel gear, the active bevel gear is meshed and connected with the driven bevel gear, a second threaded sleeve is threadedly mounted on the other end of the fixed threaded rod, a second movable frame is fixedly mounted on one end of the second threaded sleeve, and the second movable frame is rotatably connected to the hydraulic rod through a short rod.

[0015] As a further description of the above technical solution:

[0016] A toothed belt is fixedly installed on the side wall of the first moving frame, a fixed plate is fixedly installed on the side wall of the main board, a connecting rod is rotatably installed on the inner wall of the fixed plate, a vibration gear is fixedly installed on the outer wall of the connecting rod, the vibration gear is meshingly connected with the toothed belt, a vibration disk is fixedly installed on the outer wall of the connecting rod, a fixed block is fixedly installed on the side wall of the vibration disk, a fixed frame is fixedly installed on the side wall of the main board, a telescopic spring is fixedly installed on the side wall of the fixed frame, a fixing ring is fixedly installed on one end of the telescopic spring, a vibration rod is fixedly installed on the inner wall of the fixing ring, one end of the vibration rod passes through the interior of the telescopic spring and extends to the side wall of the fixed frame, and a travel ring is fixedly installed on the outer wall of the vibration rod.

[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0018] 1. In the utility model, an expansion component is provided. When support is needed in the foundation pit, the driving motor on the positive rotation protective cover drives the rotating rod to rotate, the rotating rod drives the first bevel gear to rotate, the first bevel gear drives the expansion threaded rod on the support plate to rotate through the second bevel gear, and the expansion threaded rod moves the expansion plate to both sides through the thread, effectively expanding the contact area of ​​the main board with the rock and soil in the foundation pit, strengthening the supporting force for the foundation pit, avoiding the collapse of the foundation pit due to the small contact area, thereby avoiding safety problems, and effectively improving the safety of work.

[0019] 2. In the utility model, a vibration component is provided, and the rotating rod drives the first gear to rotate. When the device is folded, the driving motor is reversed, and the driving motor drives the supporting threaded rod to rotate. The supporting threaded rod makes the first movable frame return to its original position under the action of the first threaded sleeve and the connecting block. At this time, the first movable frame drives the vibration gear to rotate by driving the toothed belt, and the vibration gear drives the connecting rod on the fixed plate to rotate, and the connecting rod drives the vibration disk to rotate, and the vibration disk drives the fixed block to rotate. When the fixed block contacts the stroke ring, the stroke ring drives the vibration rod on the fixed frame to move, and the vibration rod stretches the telescopic spring through the fixed ring. When the fixed block leaves the stroke ring, the telescopic spring knocks the vibration rod against the main board under the action of the elastic force, effectively vibrates and cleans the soil stuck on the main board, effectively enables the device to achieve self-cleaning, reduces the difficulty of manual cleaning, and also shortens the cleaning time of the staff, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of a geotechnical engineering foundation pit anti-collapse stabilization support structure.

[0021] Figure 2 This is a schematic diagram of the internal structure of a geotechnical engineering foundation pit anti-collapse stabilization support structure.

[0022] Figure 3 This is a schematic diagram of the internal structure from another angle of a geotechnical engineering foundation pit anti-collapse stabilization support structure.

[0023] Figure 4 It is a schematic diagram of the partial three-dimensional decomposition structure of a vibration component of a geotechnical engineering foundation pit anti-collapse stable support structure.

[0024] Figure 5 It is a schematic diagram of the partial three-dimensional decomposition structure of a vibration component of a geotechnical engineering foundation pit anti-collapse stable support structure.

[0025] Legend:

[0026] 1. Main board; 2. Expansion assembly; 21. Protective cover; 22. Drive motor; 23. Expansion plate; 24. First gear; 25. Rotating rod; 26. First bevel gear; 27. Support plate; 28. Expansion threaded rod; 29. ​​Second bevel gear; 3. Vibration assembly; 31. Support threaded rod; 32. First threaded sleeve; 33. Connecting block; 34. First moving frame; 35. Hydraulic rod; 36. Toothed belt; 37. Connecting rod; 38. Vibration gear; 39. Fixed plate; 310. Fixed threaded rod; 311. Second threaded sleeve; 312. Second moving frame; 313. Second gear; 314. Active bevel gear; 315. Driven bevel gear; 316. Fixed frame; 317. Telescopic spring; 318. Vibration rod; 319. Fixed ring; 320. Travel ring; 321. Vibration disk; 322. Fixed block. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-5 The utility model provides a technical solution: a geotechnical engineering foundation pit anti-collapse stable support structure, comprising a main board 1, an expansion component 2 is arranged inside the main board 1, and a vibration component 3 is arranged on the side wall of the main board 1;

[0029] The expansion component 2 includes a protective cover 21, the lower surface of the protective cover 21 is fixedly connected to the upper surface of the main board 1, a driving motor 22 is fixedly installed on the upper surface of the protective cover 21, a rotating rod 25 is fixedly installed on the output end of the driving motor 22, one end of the rotating rod 25 extends to the inside of the main board 1, a first gear 24 is fixedly installed on the outer wall of the rotating rod 25, a first bevel gear 26 is fixedly installed on the outer wall of the rotating rod 25, a support plate 27 is fixedly installed on the inner wall of the bottom surface of the main board 1, an expansion threaded rod 28 is rotatably installed on the inner wall of the support plate 27, one end of the expansion threaded rod 28 is fixedly installed with a second bevel gear 29, the first bevel gear 26 is meshingly connected with the second bevel gear 29, and the other end of the expansion threaded rod 28 is threadedly installed with an expansion plate 23.

[0030] The specific implementation method is as follows: when support is required in the foundation pit, the driving motor 22 on the positive rotation protective cover 21 drives the rotating rod 25 to rotate, the rotating rod 25 drives the first bevel gear 26 to rotate, the first bevel gear 26 drives the expansion threaded rod 28 on the support plate 27 to rotate through the second bevel gear 29, and the expansion threaded rod 28 moves the expansion plate 23 to both sides through the thread.

[0031] The vibration assembly 3 includes a supporting threaded rod 31, one end of which is rotatably connected to the inner wall of the bottom surface of the mainboard 1, a second gear 313 is fixedly installed on the outer wall of the supporting threaded rod 31, the first gear 24 is meshed and connected with the second gear 313, a first threaded sleeve 32 is threadedly installed on the outer wall of the supporting threaded rod 31, a connecting block 33 is fixedly installed on the outer wall of the first threaded sleeve 32, a first moving frame 34 is fixedly installed on the side wall of the connecting block 33, and the first moving frame 34 is fixedly installed on the side wall of the connecting block 33. A hydraulic rod 35 is rotatably mounted on the inner wall through a short rod, a driving bevel gear 314 is fixedly mounted on the outer wall of the supporting threaded rod 31, a fixed threaded rod 310 is rotatably mounted on the inner wall of the main board 1, one end of the fixed threaded rod 310 extends to the inside of the main board 1 and is fixedly mounted with a driven bevel gear 315, the driving bevel gear 314 is meshed and connected with the driven bevel gear 315, and a second threaded sleeve 311 is threadedly mounted on the other end of the fixed threaded rod 310, one end of the second threaded sleeve 311 is threadedly mounted A second mobile frame 312 is fixedly installed, and the second mobile frame 312 is rotatably connected to the hydraulic rod 35 through a short rod. A toothed belt 36 is fixedly installed on the side wall of the first mobile frame 34. A fixed plate 39 is fixedly installed on the side wall of the main board 1. A connecting rod 37 is rotatably installed on the inner wall of the fixed plate 39. A vibration gear 38 is fixedly installed on the outer wall of the connecting rod 37. The vibration gear 38 is meshed and connected with the toothed belt 36. A vibration plate 321 is fixedly installed on the outer wall of the connecting rod 37. A fixing block 322 is fixedly installed on the side wall of 21, a fixing frame 316 is fixedly installed on the side wall of the main board 1, a telescopic spring 317 is fixedly installed on the side wall of the fixing frame 316, a fixing ring 319 is fixedly installed on one end of the telescopic spring 317, a vibration rod 318 is fixedly installed on the inner wall of the fixing ring 319, one end of the vibration rod 318 passes through the interior of the telescopic spring 317 and extends to the side wall of the fixing frame 316, and a travel ring 320 is fixedly installed on the outer wall of the vibration rod 318.

[0032] The specific implementation method is as follows: the rotating rod 25 drives the first gear 24 to rotate at the same time, the first gear 24 drives the supporting threaded rod 31 to rotate through the second gear 313, the supporting threaded rod 31 drives the first threaded sleeve 32 to move through the thread, the first threaded sleeve 32 drives the first moving frame 34 to move through the connecting block 33, and at the same time the supporting threaded rod 31 drives the active bevel gear 314 to rotate, the active bevel gear 314 drives the driven bevel gear 315 to rotate the fixed threaded rod 310, the fixed threaded rod 310 drives the second threaded sleeve 311 to move through the thread, the second threaded sleeve 311 drives the second moving frame 312 to move, the hydraulic rod 35 adjusts its own length according to the first moving frame 34 and the second moving frame 312 for support, and when the device is retracted, the reverse drive motor 22 , the driving motor 22 drives the supporting threaded rod 31 to rotate, and the supporting threaded rod 31 returns to the original position under the action of the first threaded sleeve 32 and the connecting block 33. At this time, the first moving frame 34 drives the vibration gear 38 to rotate by driving the toothed belt 36, and the vibration gear 38 drives the connecting rod 37 on the fixed plate 39 to rotate, and the connecting rod 37 drives the vibration disk 321 to rotate, and the vibration disk 321 drives the fixed block 322 to rotate. When the fixed block 322 contacts the travel ring 320, the travel ring 320 drives the vibration rod 318 on the fixed frame 316 to move, and the vibration rod 318 stretches the telescopic spring 317 through the fixing ring 319. When the fixed block 322 leaves the travel ring 320, the telescopic spring 317 knocks the vibration rod 318 against the main board 1 under the action of the elastic force.

[0033] Working principle: when it is necessary to support the foundation pit, the driving motor 22 on the forward rotating protective cover 21 drives the rotating rod 25 to rotate, the rotating rod 25 drives the first bevel gear 26 to rotate, the first bevel gear 26 drives the expansion threaded rod 28 on the support plate 27 to rotate through the second bevel gear 29, the expansion threaded rod 28 moves the expansion plate 23 to both sides through the thread, and at the same time the rotating rod 25 drives the first gear 24 to rotate, the first gear 24 drives the supporting threaded rod 31 to rotate through the second gear 313, the supporting threaded rod 31 drives the first threaded sleeve 32 to move through the thread, the first threaded sleeve 32 drives the first moving frame 34 to move through the connecting block 33, and at the same time the supporting threaded rod 31 drives the active bevel gear 314 to rotate, the active bevel gear 314 drives the driven bevel gear 315 to rotate the fixed threaded rod 310, the fixed threaded rod 310 drives the second threaded sleeve 311 to move through the thread, and the second threaded sleeve 311 drives the second When the first movable frame 312 moves, the hydraulic rod 35 adjusts its own length according to the first movable frame 34 and the second movable frame 312 for support. When the device is folded, the driving motor 22 is reversed, and the driving motor 22 drives the supporting threaded rod 31 to rotate. The supporting threaded rod 31 returns the first movable frame 34 to its original position under the action of the first threaded sleeve 32 and the connecting block 33. At this time, the first movable frame 34 drives the vibration gear 38 to rotate by driving the toothed belt 36, and the vibration gear 38 drives the connecting rod 37 on the fixed plate 39 to rotate, and the connecting rod 37 drives the vibration disk 321 to rotate, and the vibration disk 321 drives the fixed block 322 to rotate. When the fixed block 322 contacts the travel ring 320, the travel ring 320 drives the vibration rod 318 on the fixed frame 316 to move, and the vibration rod 318 stretches the telescopic spring 317 through the fixing ring 319. When the fixed block 322 leaves the travel ring 320, the telescopic spring 317 knocks the vibration rod 318 against the main board 1 under the action of the elastic force.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A geotechnical engineering foundation pit anti-collapse stabilization support structure, characterized by: It comprises a main board (1), an expansion component (2) is arranged inside the main board (1), and a vibration component (3) is arranged on the side wall of the main board (1); The expansion assembly (2) comprises a protective cover (21), the lower surface of the protective cover (21) is fixedly connected to the upper surface of the main board (1), a driving motor (22) is fixedly mounted on the upper surface of the protective cover (21), a rotating rod (25) is fixedly mounted on the output end of the driving motor (22), one end of the rotating rod (25) extends to the interior of the main board (1), and a first gear (24) is fixedly mounted on the outer wall of the rotating rod (25).

2. A geotechnical engineering foundation pit anti-collapse stabilization support structure according to claim 1, characterized in that: A first bevel gear (26) is fixedly mounted on the outer wall of the rotating rod (25), a support plate (27) is fixedly mounted on the inner wall of the bottom surface of the main board (1), and an expansion threaded rod (28) is rotatably mounted on the inner wall of the support plate (27).

3. A geotechnical engineering foundation pit anti-collapse stabilization support structure according to claim 2, characterized in that: A second bevel gear (29) is fixedly mounted on one end of the expansion threaded rod (28), the first bevel gear (26) is meshingly connected with the second bevel gear (29), and an expansion plate (23) is threadedly mounted on the other end of the expansion threaded rod (28).

4. A geotechnical engineering foundation pit anti-collapse stabilization support structure according to claim 3, characterized in that: The vibration assembly (3) comprises a supporting threaded rod (31), one end of the supporting threaded rod (31) is rotatably connected to the inner wall of the bottom surface of the main board (1), a second gear (313) is fixedly mounted on the outer wall of the supporting threaded rod (31), the first gear (24) is meshingly connected with the second gear (313), a first threaded sleeve (32) is threadedly mounted on the outer wall of the supporting threaded rod (31), a connecting block (33) is fixedly mounted on the outer wall of the first threaded sleeve (32), a first movable frame (34) is fixedly mounted on the side wall of the connecting block (33), and a hydraulic rod (35) is rotatably mounted on the inner wall of the first movable frame (34) via a short rod.

5. The anti-collapse stabilizing support structure for a geotechnical engineering foundation pit according to claim 4, characterized in that: A driving bevel gear (314) is fixedly mounted on the outer wall of the supporting threaded rod (31), a fixed threaded rod (310) is rotatably mounted on the inner wall of the main board (1), one end of the fixed threaded rod (310) extends into the interior of the main board (1) and is fixedly mounted with a driven bevel gear (315), the driving bevel gear (314) is meshingly connected with the driven bevel gear (315), a second threaded sleeve (311) is threadedly mounted on the other end of the fixed threaded rod (310), a second movable frame (312) is fixedly mounted on one end of the second threaded sleeve (311), and the second movable frame (312) is rotatably connected to the hydraulic rod (35) via a short rod.

6. The anti-collapse stabilizing support structure for a geotechnical engineering foundation pit according to claim 5, characterized in that: A toothed belt (36) is fixedly mounted on the side wall of the first moving frame (34); a fixing plate (39) is fixedly mounted on the side wall of the main board (1); a connecting rod (37) is rotatably mounted on the inner wall of the fixing plate (39); a vibration gear (38) is fixedly mounted on the outer wall of the connecting rod (37); the vibration gear (38) is meshingly connected with the toothed belt (36); a vibration disk (321) is fixedly mounted on the outer wall of the connecting rod (37); a fixing block (322) is fixedly mounted on the side wall of the vibration disk (321); A fixing frame (316) is fixedly mounted on the side wall of the main board (1), a telescopic spring (317) is fixedly mounted on the side wall of the fixing frame (316), a fixing ring (319) is fixedly mounted on one end of the telescopic spring (317), a vibration rod (318) is fixedly mounted on the inner wall of the fixing ring (319), one end of the vibration rod (318) passes through the interior of the telescopic spring (317) and extends into the side wall of the fixing frame (316), and a travel ring (320) is fixedly mounted on the outer wall of the vibration rod (318).

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