CN220184112U - Karst cavity bridge pile foundation subsides monitoring devices - Google Patents
Karst cavity bridge pile foundation subsides monitoring devices Download PDFInfo
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- CN220184112U CN220184112U CN202321592664.2U CN202321592664U CN220184112U CN 220184112 U CN220184112 U CN 220184112U CN 202321592664 U CN202321592664 U CN 202321592664U CN 220184112 U CN220184112 U CN 220184112U
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- pile foundation
- settlement
- rigid support
- cavity
- connecting rod
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 3
- 229910000677 High-carbon steel Inorganic materials 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 5
- 235000019994 cava Nutrition 0.000 description 3
- 238000010622 cold drawing Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model discloses a karst cavity bridge pile foundation settlement monitoring device which comprises a cavity settlement detection area and a pile foundation body, wherein the pile foundation body is positioned in the cavity settlement detection area, and a rigid support rod piece is fixedly connected to the right side of the top of the pile foundation body. According to the utility model, the settlement can be amplified by arranging the rigid support rod fixedly connected with the pile foundation to extend out of the ground, and the settlement is calculated through the scales of the external receiving device, so that the situation that the strain gauge arranged in the cavity settlement detection area is easy to damage and the like is avoided, the maintenance and the monitoring are convenient, the problem that the strain gauge is easy to damage and cannot maintain the strain gauge in time when the measurement is carried out through the existing technical means of pile foundation measurement is solved, and the effects that the settlement is amplified, compared with the strain gauge arranged at a lower position, the strain gauge is not easy to damage, can be used for reading and recording at a distance, is convenient to operate and maintain and is small in weather influence are achieved.
Description
Technical Field
The utility model relates to the technical field of pile foundation settlement monitoring, in particular to a karst cavity area bridge pile foundation settlement monitoring device.
Background
In areas with more karst development, multiple karst caves and karst caves are clamped in the stratum in the bridge construction range, the distribution space and depth of the karst (soil) caves have certain randomness, and the rock surface burial depths are different. The strength is uneven, and the geological condition is greatly changed. As underground hidden engineering, in bridge pile foundation construction, the existence of a cavity area causes great safety problems in mine safety production, personnel and mechanical equipment can fall into the cavity area to be damaged, various complex and large engineering buildings are increased gradually along with the development of industry and civil construction industry, the original state of the ground is changed, certain pressure is applied to the foundation of the building, deformation of the foundation and surrounding stratum is necessarily caused, and in order to ensure the normal service life of the building (structure) and the safety of the building (structure), reliable data and corresponding sedimentation parameters are provided for future investigation design construction, the necessity and importance of sedimentation observation of the building (structure) are more obvious, current regulations also prescribe that sedimentation observation needs to be carried out on high-rise buildings, continuous production facility foundations, power equipment foundations, bridge pile foundations, landslide monitoring and the like, strain gauges are easy to be arranged in the cavity area when the measurement is carried out through the conventional pile foundation measurement technology, and the strain gauges cannot be carried out timely.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model aims to provide a karst cavity bridge pile foundation settlement monitoring device which has the advantages of amplified settlement, difficulty in damage compared with a strain gauge arranged at a lower position, convenience in operation and maintenance and small influence of weather, can be used for reading and recording at a distance, and solves the problems that the strain gauge is easy to damage and cannot maintain a strain gauge in time when being arranged in a cavity area during measurement by the existing technical means of pile foundation measurement.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a karst cavity district bridge pile foundation subsides monitoring devices, includes cavity subsides detection zone and pile foundation body, the pile foundation body is located the inside in cavity subsides detection zone, the right side fixedly connected with rigid support member at pile foundation body top, the top swing joint on rigid support member right side has the connecting rod, the right side swing joint of connecting rod has the installation pole, the right side fixedly connected with laser emitter of installation pole bottom, laser emitter passes through wire and external receiving arrangement electric connection.
Preferably, the rigid support rod member is made of high carbon steel.
Preferably, the rigid support rod is movably connected with the connecting rod through a hinge, and the connecting rod is movably connected with the mounting rod through a hinge.
Preferably, the right side of the bottom of the connecting rod is movably connected with a support platform through a hinge.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the settlement can be amplified by arranging the rigid support rod fixedly connected with the pile foundation to extend out of the ground, and the settlement is calculated through the scales of the external receiving device, so that the situation that the strain gauge arranged in the cavity settlement detection area is easy to damage and the like is avoided, the maintenance and the monitoring are convenient, the problem that the strain gauge is easy to damage and cannot maintain the strain gauge in time when the measurement is carried out through the existing technical means of pile foundation measurement is solved, and the effects that the settlement is amplified, compared with the strain gauge arranged at a lower position, the strain gauge is not easy to damage, can be used for reading and recording at a distance, is convenient to operate and maintain and is small in weather influence are achieved.
2. The utility model is characterized in that the rigid support rod piece is made of high carbon steel, so that a user can conveniently use the high carbon steel to have high strength and hardness and high elastic limit and fatigue limit after proper heat treatment or cold drawing hardening, the use strength of the rigid support rod piece can be improved to the maximum extent, the phenomenon that the rigid support rod piece is broken after long-time use is avoided, and the settlement amount is ensured to be consistent.
3. According to the utility model, the rigid support rod piece is movably connected with the connecting rod through the hinge and the mounting rod, so that a user can conveniently adjust the inclination of the mounting rod and the connecting rod, and accordingly, the laser transmitter is driven to adjust, the settlement amount can be amplified, and the observation record is convenient.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a block diagram of the signal connections of a laser transmitter of the present utility model;
fig. 3 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.
In the figure: 1. a cavity sedimentation detection zone; 2. a pile matrix; 3. a rigid support bar; 4. a connecting rod; 5. a mounting rod; 6. a laser emitter; 7. and a support platform.
Description of the embodiments
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1 to 3, the karst cavity bridge pile foundation settlement monitoring device provided by the utility model comprises a cavity settlement detection area 1 and a pile foundation body 2, wherein the pile foundation body 2 is positioned in the cavity settlement detection area 1, the right side of the top of the pile foundation body 2 is fixedly connected with a rigid support rod piece 3, the top of the right side of the rigid support rod piece 3 is movably connected with a connecting rod 4, the right side of the connecting rod 4 is movably connected with a mounting rod 5, the right side of the bottom of the mounting rod 5 is fixedly connected with a laser emitter 6, and the laser emitter 6 is electrically connected with an external receiving device through a wire.
Referring to fig. 1 to 3, the rigid support bar 3 is made of high carbon steel.
As a technical optimization scheme of the utility model, the rigid support rod piece 3 is made of high carbon steel, so that a user can conveniently use the high carbon steel to have high strength and hardness and high elastic limit and fatigue limit after proper heat treatment or cold drawing hardening, the use strength of the rigid support rod piece 3 can be improved to the greatest extent, the phenomenon that the rigid support rod piece 3 breaks after long-time use is avoided, and the settlement amount is ensured to be consistent.
Referring to fig. 1 to 3, the rigid support bar 3 is movably connected with the connection bar 4 through a hinge, and the connection bar 4 is movably connected with the installation bar 5 through a hinge.
As a technical optimization scheme of the utility model, through arranging the rigid support rod piece 3 to be movably connected with the connecting rod 4 through the hinge and movably connected with the connecting rod 4 and the mounting rod 5 through the hinge, a user can conveniently adjust the inclination of the mounting rod 5 and the connecting rod 4, thereby driving the laser emitter 6 to adjust, amplifying the settlement and being convenient for observation record.
Referring to fig. 1 to 3, the right side of the bottom of the connecting rod 4 is movably connected with a support platform 7 through a hinge.
As a technical optimization scheme of the utility model, by arranging the support platform 7, the influence of the sedimentation of the pile matrix 2 on the periphery can be prevented by arranging the support platform 7 on the right side of the bottom of the connecting rod 4, and the support platform 7 is movably connected with the connecting rod 4 through a hinge, so that a user can conveniently adjust the installation angle of the support platform 7.
The utility model can amplify the settlement through setting up the rigid support rod 3 fixedly connected with pile foundation to stretch out of the ground when using, and calculate the settlement through the scale of the external receiving device, avoid setting up in the situation such as the easy damage of strain gauge of the subsidence detection area 1 of cavity, facilitate maintenance monitoring, and utilize high-carbon steel after appropriate heat treatment or cold drawing harden, have high intensity and hardness, high elastic limit and fatigue limit, can improve the use intensity of the rigid support rod 3 to the greatest extent, avoid the phenomenon that the rigid support rod 3 breaks under long-time use, and can guarantee the settlement is unanimous, reuse rigid support rod 3 and connecting rod 4 movable connection with connecting rod 4 through the hinge and installing rod 5 movable connection, facilitate the user to adjust the gradient of installing rod 5 and connecting rod 4, thus drive the laser transmitter 6 to regulate, can amplify the settlement and facilitate observation record, at this moment the staff can observe in a distant place, convenient and fast, and avoid the phenomenon that the strain gauge causes the abnormal reading in the course of construction, simultaneously, facilitate maintenance, and is affected by weather.
To sum up: this karst cavity bridge pile foundation subsides monitoring devices stretches out ground through setting up with pile foundation fixed connection's rigid support member 3 and can enlarge the settlement volume to calculate the settlement volume through external receiving arrangement's scale, avoid setting up the condition such as easy emergence damage of strainometer in cavity subsidence detection zone 1, be convenient for maintain the monitoring, when having solved and measuring through current pile foundation measuring technological means, the strainometer often sets up the inside in the cavity and causes the damage easily, can't in time to carry out the problem of maintaining to the strainometer.
Claims (4)
1. The utility model provides a karst cavity district bridge pile foundation subsides monitoring devices, includes cavity subsidence detection zone (1) and pile foundation body (2), its characterized in that: pile foundation body (2) are located the inside of cavity subsidence detection zone (1), the right side fixedly connected with rigid support member piece (3) at pile foundation body (2) top, the top swing joint on rigid support member piece (3) right side has connecting rod (4), the right side swing joint of connecting rod (4) has installation pole (5), the right side fixedly connected with laser emitter (6) of installation pole (5) bottom, laser emitter (6) pass through wire and external receiving arrangement electric connection.
2. The karst cavity area bridge pile foundation settlement monitoring device according to claim 1, wherein: the rigid support rod piece (3) is made of high-carbon steel.
3. The karst cavity area bridge pile foundation settlement monitoring device according to claim 1, wherein: the rigid support rod piece (3) is movably connected with the connecting rod (4) through a hinge, and the connecting rod (4) is movably connected with the mounting rod (5) through a hinge.
4. The karst cavity area bridge pile foundation settlement monitoring device according to claim 1, wherein: the right side of connecting rod (4) bottom is connected with support platform (7) through the hinge activity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321592664.2U CN220184112U (en) | 2023-06-21 | 2023-06-21 | Karst cavity bridge pile foundation subsides monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321592664.2U CN220184112U (en) | 2023-06-21 | 2023-06-21 | Karst cavity bridge pile foundation subsides monitoring devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220184112U true CN220184112U (en) | 2023-12-15 |
Family
ID=89115440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321592664.2U Active CN220184112U (en) | 2023-06-21 | 2023-06-21 | Karst cavity bridge pile foundation subsides monitoring devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220184112U (en) |
-
2023
- 2023-06-21 CN CN202321592664.2U patent/CN220184112U/en active Active
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