CN220414330U - Displacement monitoring device for foundation pit support - Google Patents
Displacement monitoring device for foundation pit support Download PDFInfo
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- CN220414330U CN220414330U CN202321508051.6U CN202321508051U CN220414330U CN 220414330 U CN220414330 U CN 220414330U CN 202321508051 U CN202321508051 U CN 202321508051U CN 220414330 U CN220414330 U CN 220414330U
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- foundation pit
- adjusting
- plate
- monitoring device
- displacement
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 46
- 238000012806 monitoring device Methods 0.000 title claims abstract description 27
- 238000012544 monitoring process Methods 0.000 claims abstract description 33
- 230000007547 defect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model provides a displacement monitoring device for foundation pit support, which relates to the field of displacement monitoring and comprises: the foundation pit monitoring trolley is characterized in that the upper end of the foundation pit monitoring trolley is provided with a placement plate, the displacement measuring instrument is placed on the upper surface of the placement plate, the leveling instrument is installed on the upper surface and the right side surface of the placement plate, adjusting studs are symmetrically distributed at the lower end of the placement plate, the upper end of each adjusting stud is connected with the lower surface of the placement plate through a bearing seat, a column head is welded at the lower end of each adjusting stud, and the adjusting plate is screwed on the surface of each adjusting stud column body; and welded fastening is in foundation ditch monitoring dolly upper surface department. The utility model solves the problem that the distance meter is difficult to horizontally align and measure the position of the foundation pit when the displacement monitoring device is on uneven ground in the prior art.
Description
Technical Field
The utility model relates to the field of displacement monitoring, in particular to a displacement monitoring device for foundation pit support.
Background
The foundation pit support is used for guaranteeing the safety of underground structure construction and surrounding environment of the foundation pit, and is characterized in that the supporting, reinforcing and protecting measures adopted for the side wall and the surrounding environment of the foundation pit are searched, and the prior art (application number: CN 202222673414.3) records that the distance meter is clamped and fixed through the movable limiting plate, so that the stability is good, and the distance meter is convenient to install and detach. Through four fixed pins, the bottom plate is placed subaerial after, through inserting the fixed pin in the ground, has further increased the stability "that the device used, but prior art shifts monitoring devices when uneven subaerial, the range finder is difficult to the horizontal alignment problem of measuring the foundation ditch position.
Disclosure of Invention
In order to overcome the defects existing in the prior art, a displacement monitoring device for foundation pit support is provided, so that the problem that a distance meter is difficult to horizontally align and measure the position of a foundation pit when the displacement monitoring device is placed on uneven ground in the prior art is solved.
To achieve the above object, there is provided a displacement monitoring device for foundation pit support, comprising: the upper end of the foundation pit monitoring trolley is provided with a setting plate, the upper surface of the setting plate is provided with a displacement measuring instrument,
the leveling device comprises a positioning plate, wherein leveling devices are arranged on the upper surface and the right side surface of the positioning plate, adjusting studs are symmetrically distributed at the lower end of the positioning plate, the upper end of each adjusting stud is connected with the lower surface of the positioning plate through a bearing seat, column heads are welded at the lower end of each adjusting stud, and an adjusting plate is screwed on the surface of each adjusting stud column body; and welded fastening is in foundation ditch monitoring dolly upper surface department.
Further, the foundation pit monitoring trolley is provided with rollers on the lower surface, two groups of telescopic cylinder columns are welded on the upper surface of the foundation pit monitoring trolley, and hinged side plates are connected in a limiting mode inside the telescopic cylinder columns.
Further, a connecting block is movably connected between the hinged side plates through a rotating shaft, and the telescopic cylinder column is fixed with the hinged side plates through a positioning stud.
Further, ground nails are inserted into the front side and the rear side of the foundation pit monitoring trolley, and a connecting block is welded at the left end of the placement plate; and the inside of the connecting block is fixedly penetrated with a rotating shaft.
Further, the left side face of the adjusting plate is connected with two groups of telescopic cylinder columns through elastic belts, and the front side face and the rear side face of the displacement measuring instrument are clamped with L-shaped clamping plates.
Furthermore, a guide stud is arranged in the placement plate groove, and the surface of the guide stud is connected with an L-shaped clamping plate through a linear bearing; and the lower end face of the L-shaped clamping plate is welded with a linear bearing.
Further, the hinged side plates, the telescopic cylinder columns, the adjusting studs and the adjusting plates form a horizontal adjusting mechanism of the mounting plate.
The displacement monitoring device for foundation pit support has the beneficial effects that the two groups of adjusting studs are arranged on the lower end face of the positioning plate, the positioning plate is adjusted to be relatively horizontal, so that the detection light beams generated by the placed displacement measuring instrument are horizontally injected into the foundation pit support, the defect that the ground unevenness factor of the foundation pit reduces the error of displacement monitoring is overcome, the displacement monitoring device is ensured to monitor more flexibly, and the practicability of the displacement monitoring device is improved.
Drawings
Fig. 1 is a schematic front view of a displacement monitoring device for foundation pit support according to an embodiment of the present utility model.
Fig. 2 is a schematic cross-sectional front view of a displacement monitoring device for foundation pit support according to an embodiment of the present utility model.
Fig. 3 is a schematic top view of a displacement monitoring device for foundation pit support according to an embodiment of the present utility model.
Fig. 4 is a schematic diagram of a side view partial connection structure of a mounting plate and a monitoring trolley according to an embodiment of the utility model.
In the figure: 1. a foundation pit monitoring trolley; 11. hinging the side plates; 12. a telescopic cylinder column; 13. positioning a stud; 14. a roller; 15. ground nails; 16. an elastic belt; 2. a setting plate; 21. a level gauge; 22. a joint block; 23. a rotating shaft; 3. a displacement measuring instrument; 4. an L-shaped clamping plate; 41. a guide stud; 5. adjusting the stud; 51. an adjusting plate; 52. a bearing seat; 53. column cap.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.
Referring to fig. 1 to 4, the present utility model provides a displacement monitoring device for foundation pit support, comprising: the upper end of the foundation pit monitoring trolley 1 is provided with a mounting plate 2, the upper surface of the mounting plate 2 is provided with a displacement measuring instrument 3,
the upper surface and the right side surface of the placement plate 2 are provided with the level gauge 21, the lower end of the placement plate 2 is symmetrically provided with the adjusting studs 5, the upper end of the adjusting studs 5 is connected with the lower surface of the placement plate 2 through the bearing seat 52, the lower end of the adjusting studs 5 is welded with the column head 53, and the surface of the column body of the adjusting studs 5 is in threaded connection with the adjusting plate 51; and welded fastening is in foundation ditch monitoring dolly 1 upper surface department.
Working principle: firstly, the foundation pit monitoring trolley 1 is moved to a monitoring place, the ground nails 15 are used for fixing the foundation pit monitoring trolley 1, then the displacement measuring instrument 3 is placed on the placement plate 2, the L-shaped clamping plates 4 are used for clamping and fixing, the placement plate 2 is observed to be positioned on a monitored relative horizontal plane through the level meter 21, when the displacement measuring instrument is not positioned, the adjusting studs 5 are rotated, the inclination of the placement plate 2 is adjusted, the placement plate 2 is positioned on the monitored relative horizontal position, and finally the displacement of foundation pit support is monitored.
In the embodiment, a roller 14 is mounted on the lower surface of the foundation pit monitoring trolley 1, two groups of telescopic cylinder columns 12 are welded on the upper surface of the foundation pit monitoring trolley 1, and hinged side plates 11 are connected in a limiting mode inside the telescopic cylinder columns 12.
As a preferred embodiment, the roller 14 conveniently drives the foundation pit monitoring trolley 1 to move. The hinged side plate 11 is positioned in the telescopic cylinder 12 and stretches out and draws back, so that the height of the placement plate 2 can be conveniently adjusted.
In this embodiment, the hinged side plates 11 are movably connected with a connecting block 22 through a rotating shaft 23, and the telescopic cylinder column 12 is fixed with the hinged side plates 11 through a positioning stud 13.
As a preferred embodiment, the two ends of the rotating shaft 23 are positioned at the hinged side plate 11 for rotation, so that the position of the placement plate 2 can be conveniently adjusted in a small range.
In the embodiment, ground nails 15 are inserted into the front side and the rear side of the foundation pit monitoring trolley 1, and a connecting block 22 is welded at the left end of the placement plate 2; and a rotating shaft 23 is fixedly penetrated inside the connecting block 22.
As a preferred embodiment, the ground nails 15 facilitate fixing the pit monitoring trolley 1, and prevent the pit monitoring trolley 1 from moving during monitoring. The placement plate 2 is rotated by the joint block 22, which is convenient to adjust according to the adjustment of the adjusting stud 5.
In this embodiment, the left side of the adjusting plate 51 is connected to two sets of telescopic cylinders 12 through elastic bands 16, and the front and rear sides of the displacement measuring instrument 3 are clamped with L-shaped clamping plates 4.
As a preferred embodiment, the location inside the elastic band 16 is used to place a variety of measuring devices. The L-shaped clamping plate 4 is positioned on the surface of the placement plate 2 and moves back and forth to clamp and fix the displacement measuring instruments 3 with different sizes.
In the embodiment, a guide stud 41 is arranged in a groove of the placement plate 2, and the surface of the guide stud 41 is connected with an L-shaped clamping plate 4 through a linear bearing; and the lower end face of the L-shaped clamping plate 4 is welded with a linear bearing.
As a preferred embodiment, the linear bearing converts the rotation motion of the guide stud 41 into linear motion, so as to drive the L-shaped clamping plate 4 to move towards the middle, and clamp and stabilize the displacement measuring instrument 3.
In this embodiment, the hinged side plate 11, the telescopic cylinder 12, the adjusting stud 5 and the adjusting plate 51 constitute a setting plate 2 horizontal adjusting mechanism.
As a preferred embodiment, the horizontal adjustment mechanism of the setting plate 2 is convenient for adjusting the setting plate 2 to a relative horizontal position, and the displacement measuring instrument 3 convenient to place can horizontally align with the measured foundation pit position.
The displacement monitoring device for the foundation pit support can effectively solve the problem that the distance meter is difficult to horizontally align to measure the position of the foundation pit, is convenient to overcome the defect that the ground unevenness factor of the foundation pit reduces the error of displacement monitoring, ensures more flexible monitoring of the displacement monitoring device, improves the practicability of the displacement monitoring device, and is suitable for the displacement monitoring device for the foundation pit support.
Claims (7)
1. A displacement monitoring device for foundation pit support, comprising: foundation ditch monitoring dolly (1), setting plate (2) and displacement measuring apparatu (3), foundation ditch monitoring dolly (1) upper end is provided with setting plate (2), displacement measuring apparatu (3), its characterized in that have been placed to setting plate (2) upper surface:
the leveling device is characterized in that the leveling device (21) is arranged on the upper surface and the right side surface of the placement plate (2), adjusting studs (5) are symmetrically distributed at the lower end of the placement plate (2), the upper end of each adjusting stud (5) is connected with the lower surface of the placement plate (2) through a bearing seat (52), a column head (53) is welded at the lower end of each adjusting stud (5), and an adjusting plate (51) is screwed on the surface of the column body of each adjusting stud (5); and welded fastening is in foundation ditch monitoring dolly (1) upper surface department.
2. The displacement monitoring device for foundation pit support according to claim 1, wherein rollers (14) are mounted on the lower surface of the foundation pit monitoring trolley (1), two groups of telescopic cylinder columns (12) are welded on the upper surface of the foundation pit monitoring trolley (1), and hinged side plates (11) are connected to the inner limit positions of the telescopic cylinder columns (12).
3. The displacement monitoring device for foundation pit support according to claim 2, wherein a connecting block (22) is movably connected between the hinged side plates (11) through a rotating shaft (23), and the telescopic cylinder column (12) is fixed with the hinged side plates (11) through positioning studs (13).
4. The displacement monitoring device for foundation pit support according to claim 1, wherein ground nails (15) are inserted into the front side and the rear side of the foundation pit monitoring trolley (1), and a connecting block (22) is welded at the left end of the placement plate (2); and a rotating shaft (23) is fixedly penetrated inside the connecting block (22).
5. The displacement monitoring device for foundation pit support according to claim 1, wherein the left side surface of the adjusting plate (51) is connected with two groups of telescopic cylinder columns (12) through elastic belts (16), and the front side surface and the rear side surface of the displacement measuring instrument (3) are clamped with L-shaped clamping plates (4).
6. The displacement monitoring device for foundation pit support according to claim 1, wherein a guide stud (41) is installed in a groove of the placement plate (2), and the surface of the guide stud (41) is connected with an L-shaped clamping plate (4) through a linear bearing; and the lower end surface of the L-shaped clamping plate (4) is welded with a linear bearing.
7. A displacement monitoring device for foundation pit support according to claim 2, characterized in that the hinged side plates (11), telescopic cylinder columns (12), adjusting studs (5) and adjusting plates (51) constitute a setting plate (2) horizontal adjusting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321508051.6U CN220414330U (en) | 2023-06-13 | 2023-06-13 | Displacement monitoring device for foundation pit support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321508051.6U CN220414330U (en) | 2023-06-13 | 2023-06-13 | Displacement monitoring device for foundation pit support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220414330U true CN220414330U (en) | 2024-01-30 |
Family
ID=89659784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321508051.6U Active CN220414330U (en) | 2023-06-13 | 2023-06-13 | Displacement monitoring device for foundation pit support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220414330U (en) |
-
2023
- 2023-06-13 CN CN202321508051.6U patent/CN220414330U/en active Active
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