CN219753328U - Equipment for detecting displacement of foundation pit bottom layer - Google Patents
Equipment for detecting displacement of foundation pit bottom layer Download PDFInfo
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- CN219753328U CN219753328U CN202321350953.1U CN202321350953U CN219753328U CN 219753328 U CN219753328 U CN 219753328U CN 202321350953 U CN202321350953 U CN 202321350953U CN 219753328 U CN219753328 U CN 219753328U
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- air inlet
- detecting displacement
- displacement
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 43
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- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 13
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 13
- 241001330002 Bambuseae Species 0.000 claims abstract description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 13
- 239000011425 bamboo Substances 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 6
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- 229910000831 Steel Inorganic materials 0.000 description 2
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- 230000003111 delayed effect Effects 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
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Abstract
The utility model discloses equipment for detecting displacement of a foundation pit bottom layer, and belongs to the technical field of foundation pit displacement detection. Including installation section of thick bamboo and circumference all arrange the displacement detection mechanism on the installation section of thick bamboo lateral surface, displacement detection mechanism includes hollow cavity, hollow cavity is fixed in on the side of installation section of thick bamboo, be equipped with the piston with its sliding connection in the hollow cavity, be equipped with the push pedal on the piston, the one end fixed connection of push pedal is on the piston, the other end of push pedal extends to the outside of hollow cavity, and with hollow cavity sliding connection, the push pedal is located the one end in hollow cavity outside and is equipped with the roof with its fixed connection, the upper end of hollow cavity is close to the surface of installation section of thick bamboo department and is equipped with the air inlet joint, the inside and the external intercommunication of air inlet joint with hollow cavity. The technical scheme is used for solving the problems that the existing foundation pit displacement detection device is complex in structure and inconvenient to install and operate in actual use.
Description
Technical Field
The utility model belongs to the technical field of foundation pit displacement detection, and particularly relates to equipment for detecting foundation pit bottom displacement.
Background
The foundation pit is long in construction period, is in a complex and changeable environment, is comprehensively influenced by various factors such as engineering geology, hydrogeology, surrounding buildings, road pipelines, engineering design, construction methods and the like, has high construction safety risk management and control difficulty, and is easy to cause construction safety risk accidents such as foundation pit collapse, substrate surging, building inclination, road subsidence, pipeline damage and the like. The foundation pit construction safety accidents are frequent, so that the cost is increased, the construction period is delayed, and huge personal and property losses and negative social influence are brought.
In the prior art, like the monitoring devices of deep horizontal displacement of foundation ditch and vertical subsidence of application number CN201620317551.5, it includes deformation measurement system, ranging system, a plurality of datum points and data processing system etc. though above-mentioned scheme can realize detecting the displacement that the foundation ditch takes place, but its structure is complicated, and installation and operation degree of difficulty are big, and the testing result is also not intuitive enough (ordinary workman can't judge the testing result), therefore in scene such as remote construction scene, use very inconvenience.
Disclosure of Invention
In view of the above, the present utility model is directed to a device for detecting the displacement of the foundation pit bottom layer, which is used for solving the problems of complex structure, and inconvenient installation and operation in practical use of the existing foundation pit displacement detection device.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model discloses equipment for detecting displacement of a foundation pit bottom layer, which comprises a mounting cylinder and a displacement detection mechanism, wherein the circumference of the displacement detection mechanism is arranged on the outer side surface of the mounting cylinder, the displacement detection mechanism comprises a hollow cavity, the hollow cavity is fixed on the side surface of the mounting cylinder, a piston in sliding connection with the hollow cavity is arranged in the hollow cavity, a push plate is arranged on the piston, one end of the push plate is fixedly connected with the piston, the other end of the push plate extends to the outer side of the hollow cavity and is in sliding connection with the hollow cavity, a top plate fixedly connected with the push plate is arranged at one end of the push plate, which is positioned at the outer side of the hollow cavity, an air inlet joint is arranged on the surface, close to the mounting cylinder, of the upper end of the hollow cavity, the air inlet joint is used for communicating the interior of the hollow cavity with the outside, an air inlet pipe is arranged on the air inlet joint, one end of the air inlet pipe is connected with the air inlet joint, a pressure gauge is arranged at the other end of the air inlet pipe, a branch pipe is arranged on the air inlet pipe below the pressure gauge, and a control valve is arranged on the air inlet pipe.
The working principle of the technical scheme is as follows:
the mounting cylinder is placed at the bottom of a foundation pit (or at the bottom of a hole formed beside the foundation pit), then the air is filled into the air inlet pipe through the air filling device, after the air is filled, the piston is pushed to move under the action of air pressure, so that the top plate is driven to be in tight contact with the side wall of the bottom of the foundation pit, whether the top plate is in contact with the side wall or not can be judged through observing the air pressure meter, after the top plate is fully in contact with the side wall of the foundation pit, the mounting is completed, when the bottom of the foundation pit is displaced, the side wall can squeeze the top plate, so that the reading on the pressure meter is changed, the purpose of judging and detecting the change of the bottom of the foundation pit can be achieved according to the data change of the pressure meter, and after the device is used, the device can be taken out only by deflating through the control valve.
Further, the air inlet pipe is a hose, and the air inlet pipe is beneficial in that the hose is convenient to store, transport and transport.
Further, the manometer lower part is equipped with the holding ring, the holding ring joint is fixed in the intake pipe, the outside circumference equipartition of holding ring is equipped with a plurality of bracing pieces, and its beneficial lies in, like this mode can be after this device installation and debugging are accomplished, places the bracing piece on the foundation ditch up end, and the holding ring plays the effect of supporting and placing the barometer simultaneously, the observation of the barometer of being convenient for.
Further, the supporting rod is a telescopic rod, and the telescopic rod is beneficial to adapting to different foundation pit sizes.
Further, the surface of the top plate contacted with the foundation pit is an arc-shaped surface.
Further, the lower end of the mounting cylinder is provided with the conical tip element, and the mounting cylinder is beneficial in that the mounting cylinder can be fixed at the bottom of the foundation pit, when one side of the bottom layer of the foundation pit is displaced, the mounting cylinder cannot move, and then the pressure of the air pressure gauge can be changed, so that the direction of displacement of the bottom layer of the foundation pit is judged.
Further, the middle part of the upper end of the installation cylinder is provided with an internal thread column, and the installation cylinder is conveniently placed at the bottom of the foundation pit in a steel pipe or drill rod mode when the foundation pit is deeper.
Further, the hollow cavity is arranged on the side surface of the inside of the mounting cylinder, and the hollow cavity is beneficial in that the occupied space of the device can be reduced, so that the structure is more concise.
The utility model has the beneficial effects that:
(1) The device is simple and quick to install in the process of detecting the displacement of the foundation pit, and can be used without an external power supply after the installation is completed, so that the use convenience of a remote construction site is improved, and meanwhile, the detection result can be accurately and intuitively presented through the pressure gauge, so that the state of the foundation pit can be clearly seen by site constructors; (2) By observing the reading of the pressure gauge, whether the bottom layer of the foundation pit is displaced and the degree of displacement can be judged, so that the device is convenient and quick to use and read; (3) The conical tip element is arranged, so that the mounting cylinder cannot move due to the displacement of the side face of the foundation pit, and the direction of the displacement of the bottom layer of the foundation pit can be judged by observing the pressure change of the barometer in which direction.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model. The objects and other advantages of the utility model may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.
Drawings
In order to make the objects, technical solutions and advantageous effects of the present utility model more clear, the present utility model provides the following drawings for description:
FIG. 1 is a schematic perspective view of a device for detecting displacement of a foundation pit bottom layer according to the present utility model;
FIG. 2 is a schematic diagram of an elevation view of a device for detecting displacement of a foundation pit bottom layer according to the present utility model;
FIG. 3 is a schematic diagram of a cross-sectional view of an elevation view of a device for detecting displacement of a foundation pit bottom layer according to the present utility model.
The figures are marked as follows:
the device comprises a mounting cylinder 1, a hollow chamber 2, a top plate 3, a push plate 4, a piston 5, an air inlet pipe 6, an air inlet joint 7, a pressure gauge 8, an air adding branch pipe 9, a control valve 10, a support ring 11, a support rod 12, a conical tip element 13 and an internal thread column 14.
Detailed Description
As shown in fig. 1 to 3, the device for detecting the displacement of the bottom layer of the foundation pit according to the present utility model can be directly placed at the bottom of the foundation pit for use, or can be drilled beside the foundation pit, the device is placed in a drilled hole for detection, and is specifically determined according to practical situations, the device comprises a mounting cylinder 1 and displacement detection mechanisms with circumferences being uniformly arranged on the outer side surface of the mounting cylinder 1, in this specific embodiment, the number of the displacement detection mechanisms is 6, the number of the displacement detection mechanisms can be specifically designed according to practical situations, and meanwhile, it is easy to understand that the height of the mounting cylinder 1 can also be changed according to the use requirements, and meanwhile, the height of the displacement detection mechanisms is changed along with the height change of the mounting cylinder 1.
Specifically, displacement detection mechanism includes hollow cavity 2, hollow cavity 2 can understand as inside hollow rectangle cavity, hollow cavity 2 is fixed in on the side of installation section of thick bamboo 1, be equipped with the piston 5 with its sliding connection in the hollow cavity 2, be equipped with push pedal 4 on the piston 5, the one end fixed connection of push pedal 4 is on piston 5, the other end of push pedal 4 extends to the outside of hollow cavity 2, and with hollow cavity 2 sliding connection, push pedal 4 is located the one end in hollow cavity 2 outside and is equipped with roof 3 with its fixed connection, be equipped with air inlet connector 7 on the surface that the upper end of hollow cavity 2 is close to installation section of thick bamboo 1 department, air inlet connector 7 communicates the inside and the external world of hollow cavity 2, be equipped with intake pipe 6 on the air inlet connector 7, one end and the air inlet connector 7 of intake pipe 6 are connected, be equipped with manometer 8 on the other end of intake pipe 6, be equipped with air entrainment branch pipe 9 on the intake pipe 6 of manometer 8 below, be equipped with control valve 10 on the air entrainment branch pipe 9, control valve 10 can understand to possess the valve of normally open and normally closed two kinds of switching states.
Preferably, the manometer 8 lower part is equipped with holding ring 11, and holding ring 11 joint is fixed in on the intake pipe 6, and the outside circumference equipartition of holding ring 11 is equipped with a plurality of bracing pieces 12, and this mode can be after this device installation and debugging are accomplished, places bracing piece 12 on the foundation ditch up end, and holding ring 11 plays the effect of supporting and placing the barometer simultaneously, is convenient for the observation of barometer.
Preferably, the air inlet pipe 6 is a hose which is convenient to store, transport and transport. The support rod 12 is a telescopic rod which is convenient for adapting to different foundation pit sizes. The contact surface of the top plate 3 on the foundation pit is an arc surface, and the household surface can reduce the friction force of the top plate 3 on the inner wall of the foundation pit, so that the top plate is convenient to put in and take out. The middle part of the upper end of the installation cylinder 1 is provided with an internal thread column 14, so that the installation cylinder 1 can be placed at the bottom of a foundation pit in a steel pipe or drill pipe mode when the foundation pit is deeper.
The lower extreme of installation section of thick bamboo 1 is equipped with toper pointed end component 13, makes installation section of thick bamboo 1 can be fixed in the foundation ditch bottom, and then when one side of foundation ditch bottom took place the displacement, installation section of thick bamboo 1 can not remove, then the pressure variation of accessible barometer to judge the direction that the foundation ditch bottom took place the displacement.
In one embodiment, the hollow chamber 2 may be disposed on the side of the interior of the mounting cylinder 1, so that the space occupied by the device can be reduced, and the structure can be more concise.
The working principle of the technical scheme is as follows:
the mounting cylinder 1 is placed at the bottom of the foundation pit, then the air inlet pipe 6 is inflated through the air-filling device, after the air is filled, the piston 5 is pushed to move under the action of air pressure, so that the top plate 3 is driven to be in tight contact with the side wall of the bottom layer of the foundation pit, whether the top plate 3 is in contact with the side wall or not can be judged through observing the air pressure meter, after the top plate 3 is fully in contact with the side wall of the foundation pit, the mounting is completed, when the bottom layer of the foundation pit is displaced, the side wall can squeeze the top plate 3, and therefore the reading on the pressure meter 8 is changed, and the purpose of judging and detecting the change of the bottom layer of the foundation pit can be achieved according to the data change of the pressure meter 8.
Finally, it is noted that the above-mentioned preferred embodiments are only intended to illustrate rather than limit the utility model, and that, although the utility model has been described in detail by means of the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (8)
1. An apparatus for detecting displacement of a foundation pit floor, characterized in that: including installation section of thick bamboo and circumference all arrange the displacement detection mechanism on the installation section of thick bamboo lateral surface, displacement detection mechanism includes hollow cavity, hollow cavity is fixed in on the side of installation section of thick bamboo, be equipped with the piston with its sliding connection in the hollow cavity, be equipped with the push pedal on the piston, the one end fixed connection of push pedal is on the piston, the other end of push pedal extends to the outside of hollow cavity, and with hollow cavity sliding connection, the push pedal is located the roof of fixed connection with it on the one end in hollow cavity outside, the upper end of hollow cavity is close to the surface of installation section of thick bamboo department and is equipped with the air inlet joint, the inside and the external intercommunication of hollow cavity are connected to the air inlet joint, the one end and the air inlet joint of intake pipe are connected, be equipped with the manometer on the other end of intake pipe, be equipped with the air entrainment branch pipe in the intake pipe of manometer below, be equipped with the control valve on the air entrainment branch pipe.
2. An apparatus for detecting displacement of a foundation pit floor as claimed in claim 1, wherein: the pressure gauge is characterized in that a supporting ring is arranged at the lower part of the pressure gauge and is fixedly clamped on the air inlet pipe, and a plurality of supporting rods are uniformly distributed on the circumference of the outer side of the supporting ring.
3. An apparatus for detecting displacement of a foundation pit floor as claimed in claim 2, wherein: the supporting rod is a telescopic rod.
4. An apparatus for detecting displacement of a foundation pit floor as claimed in claim 1, wherein: the surface of the top plate contacted with the foundation pit is an arc-shaped surface.
5. An apparatus for detecting displacement of a foundation pit floor as claimed in claim 1, wherein: the lower end of the mounting cylinder is provided with a conical tip element.
6. An apparatus for detecting displacement of a foundation pit floor as claimed in claim 1, wherein: and an internal thread column is arranged in the middle of the upper end of the mounting cylinder.
7. An apparatus for detecting displacement of a foundation pit floor as claimed in claim 1, wherein: the hollow chamber is arranged on the side surface of the inner part of the mounting cylinder.
8. An apparatus for detecting displacement of a foundation pit floor as claimed in claim 1, wherein: the air inlet pipe is a hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321350953.1U CN219753328U (en) | 2023-05-31 | 2023-05-31 | Equipment for detecting displacement of foundation pit bottom layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321350953.1U CN219753328U (en) | 2023-05-31 | 2023-05-31 | Equipment for detecting displacement of foundation pit bottom layer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219753328U true CN219753328U (en) | 2023-09-26 |
Family
ID=88085339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321350953.1U Active CN219753328U (en) | 2023-05-31 | 2023-05-31 | Equipment for detecting displacement of foundation pit bottom layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219753328U (en) |
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2023
- 2023-05-31 CN CN202321350953.1U patent/CN219753328U/en active Active
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