CN221075841U - Open cut foundation ditch displacement monitoring devices - Google Patents
Open cut foundation ditch displacement monitoring devices Download PDFInfo
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- CN221075841U CN221075841U CN202322867199.5U CN202322867199U CN221075841U CN 221075841 U CN221075841 U CN 221075841U CN 202322867199 U CN202322867199 U CN 202322867199U CN 221075841 U CN221075841 U CN 221075841U
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- support
- bottom plate
- prism
- open cut
- foundation pit
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 18
- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model discloses an open cut foundation pit displacement monitoring device which comprises a bottom plate and a support seat positioned above the bottom plate, wherein a plurality of mounting holes are formed in the top surface of the bottom plate in a penetrating manner, three hand-screwed bolts are arranged at the top of the support seat in a penetrating manner through threaded holes in a matched manner, the bottom ends of the hand-screwed bolts are propped against the top surface of the bottom plate, the bottom plate is connected with the support seat through a tensioning mechanism, a first circular bubble level is fixedly arranged at the top of the support seat, and a prism is connected to the top of the support seat through an angle adjusting mechanism; when the support is installed, after the bottom plate is fixed on the foundation pit enclosure by utilizing the matching of the expansion bolts and the mounting holes, the length of each hand-screwed bolt extending out to the lower part of the support is adjusted according to the reading of the first circular bubble level, so that the installation levelness of the support can be quickly adjusted, the stability of the support can be ensured by a three-point support mode, and then the prism is adjusted to a proper vertical angle, and then the butterfly nut is screwed down, so that the operation is simple and convenient.
Description
Technical Field
The utility model relates to the technical field of foundation pit monitoring, in particular to an open cut foundation pit displacement monitoring device.
Background
The foundation pit is a soil pit excavated at a foundation design position according to the elevation of the substrate and the plane size of the foundation. Before excavation, an excavation scheme is determined according to geological hydrologic data and the conditions of buildings nearby the site, waterproof drainage work is carried out, and in the foundation pit engineering construction process, the horizontal displacement of the top of the enclosure structure is a main evaluation index of the foundation pit engineering safety, so that the horizontal displacement is a main project which is required to be monitored in the foundation pit construction process.
The observation method of the horizontal displacement of the foundation pit is that monitoring points are set on foundation pit supports (such as retaining walls), prisms are arranged on the monitoring points, and measurement and calculation are carried out by matching with total stations outside the foundation pit and the datum point prisms, so that the horizontal displacement of the foundation pit is monitored.
At present, a common prism mounting mode is to implant a reinforcing steel bar into a retaining wall, and a prism is arranged at the top of the reinforcing steel bar, but in the actual operation process, the horizontal and vertical mounting angles of the prism are often inconvenient to adjust, and the improvement is needed.
Disclosure of utility model
The utility model aims to provide an open cut foundation pit displacement monitoring device which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides an open cut foundation ditch displacement monitoring devices, includes the bottom plate and is located the support of bottom plate top, the top surface of bottom plate runs through and is provided with a plurality of mounting holes, three hand screw bolt is worn to be equipped with through the screw hole cooperation at the top of support, the bottom of hand screw bolt offsets with the top surface of bottom plate, bottom plate and support pass through straining device and connect, the top fixed mounting of support has first circular bubble spirit level, the top of support is connected with the prism through angle adjustment mechanism, and the top fixed mounting of prism has the circular bubble spirit level of second.
As a further scheme of the utility model: the three hand-screwed bolts are circumferentially distributed on the support.
As a further scheme of the utility model: the tensioning mechanism comprises a penetrating rod fixedly installed at the top of the bottom plate, a perforation is formed in the position, corresponding to the penetrating rod, of the top of the support, a limiting block is fixedly connected to the top end of the penetrating rod after penetrating out of the perforation, a first gasket is sleeved on the outer wall of the penetrating rod above the support, and a spring is sleeved on the outer wall of the penetrating rod between the limiting block and the first gasket.
As a further scheme of the utility model: the angle adjusting mechanism comprises a support arranged at the center of the top of the support through a bolt, the prism is located at the inner side of the support, two screws are symmetrically and fixedly connected to the two sides of the prism, and butterfly nuts are matched and connected to the screws after the screws penetrate through the support.
As still further aspects of the utility model: the screw rod is sleeved with a second gasket, and the second gasket is positioned between the bracket and the corresponding butterfly nut.
Compared with the prior art, the utility model has the beneficial effects that:
When the support is installed, after the bottom plate is fixed on the foundation pit enclosure by utilizing the matching of the expansion bolts and the mounting holes, the length of each hand-screwed bolt extending out to the lower part of the support is adjusted according to the reading of the first circular bubble level, so that the installation levelness of the support can be quickly adjusted, the stability of the support can be ensured by a three-point support mode, and then the prism is adjusted to a proper vertical angle, and then the butterfly nut is screwed down, so that the operation is simple and convenient.
Drawings
Fig. 1 is a schematic structural diagram of an open cut foundation pit displacement monitoring device.
Fig. 2 is a schematic top view of an open cut foundation pit displacement monitoring device.
Fig. 3 is an enlarged view at a in fig. 1.
The device comprises a bottom plate 1, a mounting hole 2, a support 3, a penetrating rod 4, a limiting block 5, a spring 6, a first gasket 7, a penetrating hole 8, a hand-screwed bolt 9, a first circular bubble level 10, a bracket 11, a prism 12, a screw 13, a second gasket 14, a butterfly nut 15 and a second circular bubble level 16.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, in the embodiment of the utility model, an open cut foundation pit displacement monitoring device includes a base plate 1 and a support 3 located above the base plate 1, a plurality of mounting holes 2 are formed in the top surface of the base plate 1 in a penetrating manner, three hand-screwed bolts 9 are arranged on the top of the support 3 in a penetrating manner through threaded holes in a matching manner, the bottom ends of the hand-screwed bolts 9 are abutted to the top surface of the base plate 1, the bottom ends of the hand-screwed bolts 9 are arc surfaces, the three hand-screwed bolts 9 are circumferentially distributed on the support 3, the base plate 1 and the support 3 are connected through a tensioning mechanism, a first circular bubble level 10 is fixedly arranged on the top of the support 3, a prism 12 is connected to the top of the support 3 through an angle adjusting mechanism, and a second circular bubble level 16 is fixedly arranged on the top of the prism 12.
According to the technical scheme, when the base plate 1 is fixed on the foundation pit enclosure by utilizing the matching of the expansion bolts and the mounting holes 2 during mounting, the length of each hand-screwed bolt 9 extending out to the lower side of the support 3 is adjusted according to the reading of the first circular bubble level 10, so that the mounting levelness of the support 3 can be quickly adjusted, the stability of the support 3 can be ensured by a three-point support mode, and then the vertical mounting angle of the prism 12 is adjusted by the angle adjusting mechanism, so that the operation is simple and convenient.
With specific reference to fig. 1 and fig. 3, in one embodiment of the present utility model, the tensioning mechanism includes a penetrating rod 4 fixedly installed at the top of the bottom plate 1, a perforation 8 is penetrated and arranged at a position corresponding to the top of the support 3 and the penetrating rod 4, a limiting block 5 is fixedly connected to the top end of the penetrating rod 4 after the penetrating rod 8 penetrates out, a first gasket 7 is sleeved on an outer wall of the penetrating rod 4 above the support 3, and a spring 6 is sleeved on an outer wall of the penetrating rod 4 between the limiting block 5 and the first gasket 7.
Through adopting above-mentioned setting, spring 6 can exert a decurrent thrust to support 3 all the time to make the bottom of screw rod 13 hug closely with the top surface of bottom plate 1 all the time, thereby ensure the stability that bottom plate 1 and support 3 are connected.
With specific reference to fig. 1 and 2, the angle adjusting mechanism comprises a bracket 11 installed at the center of the top of the support 3 through a bolt, the bolt penetrates through the center of the bottom surface of the bracket 11 and is in fit connection with a threaded hole in the middle of the top surface of the support 3, the prism 12 is positioned on the inner side of the bracket 11, two screws 13 are symmetrically and fixedly connected to two sides of the prism 12, and a butterfly nut 15 is in fit connection with the screws 13 after penetrating through the bracket 11; the screw 13 is sleeved with a second gasket 14, and the second gasket 14 is positioned between the bracket 11 and the corresponding butterfly nut 15.
Can lock prism 12 in the inboard of support 11 through tightening two butterfly nuts 15, through the setting of second gasket 14, can be at the in-process of tightening butterfly nut 15, the effectual angle deflection of reduction prism 12, excellent in use effect.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. An open cut foundation ditch displacement monitoring devices, its characterized in that: including bottom plate (1) and support (3) that are located bottom plate (1) top, the top surface of bottom plate (1) runs through and is provided with a plurality of mounting holes (2), three hand screw bolt (9) are worn to be equipped with through the screw hole cooperation at the top of support (3), the bottom of hand screw bolt (9) offsets with the top surface of bottom plate (1), bottom plate (1) and support (3) are connected through straining device, the top fixed mounting of support (3) has first circular bubble spirit level (10), the top of support (3) is connected with prism (12) through angle adjustment mechanism, and the top fixed mounting of prism (12) has second circular bubble spirit level (16).
2. The open cut foundation pit displacement monitoring device of claim 1, wherein: the three hand-screwed bolts (9) are circumferentially distributed on the support (3).
3. The open cut foundation pit displacement monitoring device of claim 1, wherein: the tensioning mechanism comprises a penetrating rod (4) fixedly installed at the top of the bottom plate (1), a perforation (8) is formed in the position, corresponding to the penetrating rod (4), of the top of the support (3), a limiting block (5) is fixedly connected to the top end of the penetrating rod (4) after the penetrating rod (8) penetrates out, a first gasket (7) is sleeved on the outer wall, located above the support (3), of the penetrating rod (4), and a spring (6) is sleeved on the outer wall, located between the limiting block (5) and the first gasket (7).
4. The open cut foundation pit displacement monitoring device of claim 1, wherein: the angle adjusting mechanism comprises a support (11) arranged at the center of the top of the support (3) through bolts, the prism (12) is located on the inner side of the support (11), two screws (13) are symmetrically and fixedly connected to two sides of the prism (12), and the screws (13) penetrate through the support (11) and are connected with wing nuts (15) in a matched mode.
5. The open cut foundation pit displacement monitoring device of claim 4, wherein: the screw (13) is sleeved with a second gasket (14), and the second gasket (14) is positioned between the bracket (11) and the corresponding butterfly nut (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322867199.5U CN221075841U (en) | 2023-10-25 | 2023-10-25 | Open cut foundation ditch displacement monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322867199.5U CN221075841U (en) | 2023-10-25 | 2023-10-25 | Open cut foundation ditch displacement monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221075841U true CN221075841U (en) | 2024-06-04 |
Family
ID=91272655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322867199.5U Active CN221075841U (en) | 2023-10-25 | 2023-10-25 | Open cut foundation ditch displacement monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221075841U (en) |
-
2023
- 2023-10-25 CN CN202322867199.5U patent/CN221075841U/en active Active
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