CN213952314U - Deep basal pit supporting construction top horizontal displacement monitoring devices - Google Patents
Deep basal pit supporting construction top horizontal displacement monitoring devices Download PDFInfo
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- CN213952314U CN213952314U CN202022422866.5U CN202022422866U CN213952314U CN 213952314 U CN213952314 U CN 213952314U CN 202022422866 U CN202022422866 U CN 202022422866U CN 213952314 U CN213952314 U CN 213952314U
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Abstract
The application relates to a deep basal pit supporting construction top horizontal displacement monitoring devices relates to the field of foundation ditch construction safety monitoring technique, and it is including setting up the reflecting plate on the fender pile and installing the base in the foundation ditch, be provided with laser range finder on the base, the base below is provided with the fixed column that inserts in the foundation ditch soil horizon, the base with be provided with damping mechanism between the fixed column, be provided with on the base and be used for the adjustment laser range finder is in turned angle's angle modulation mechanism on the base. The vibration damping mechanism has the advantages that vibration transmitted from the soil layer can be effectively absorbed and weakened through the vibration damping mechanism, and the accuracy of monitoring data is ensured as far as possible.
Description
Technical Field
The application relates to the field of foundation pit construction safety monitoring technology, in particular to a deep foundation pit supporting structure top horizontal displacement monitoring device.
Background
The horizontal displacement of the top of the supporting pile (wall) is mainly generated by factors such as foundation pit excavation construction, slope body displacement towards the pit, stress deformation of a supporting member and the like, and the larger horizontal displacement directly influences the construction of a main body structure in a deep foundation pit and the safety of the surrounding environment, so that the horizontal displacement of the top of the supporting pile (wall) needs to be monitored in the excavation and supporting process of the foundation pit, and the sequence and the speed of the excavation and supporting of the foundation pit are adjusted in time. At present, the horizontal displacement monitoring of the top of the deep foundation pit generally adopts a small angle method, a direction line deviation method, a polar coordinate method and other measurement methods.
The prior Chinese patent with the patent publication number of CN111705851A proposes a horizontal displacement monitoring device at the top of a deep foundation pit supporting structure, wherein a reflecting plate is arranged on the side wall of one side of a supporting plate, a base is placed on the ground, four groups of supporting legs are fixedly connected to the lower surface of the base, an installation rod is arranged on the upper surface of the base, a laser range finder is arranged on the installation rod, a driving mechanism for driving the installation rod to rotate is arranged on the base, an adjusting mechanism for conveniently adjusting the level of the laser range finder is arranged between the installation rod and the laser range finder, an adjusting piece for conveniently adjusting the vertical arrangement of the reflecting plate is arranged between the supporting plate and the reflecting plate, the laser range finder is arranged on the installation rod, the angle between the reflecting plate and the supporting class is adjusted, under the action of the adjusting piece, the reflecting plate is in a vertical state, and the driving mechanism drives the installation rod to rotate through the driving mechanism, the installation rod drives the laser range finder to move, and the laser range finder rotates and then is perpendicular to each reflecting plate, so that an operator can monitor the horizontal displacement of the supporting plate in real time conveniently.
In view of the above-mentioned related technologies, the inventor believes that there is a defect that, in a foundation pit construction site, a large construction vehicle is likely to cause vibration during working or traveling, and when the vibration is transmitted to the laser distance meter on the mounting rod through the base, frequent vibration of the laser distance meter is likely to be caused, thereby affecting the measurement accuracy of the monitoring device.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem of the vibrations that construction site large-scale machinery work caused to monitoring devices measurement accuracy's influence, this application provides a deep basal pit supporting structure top horizontal displacement monitoring devices.
The application provides a pair of deep basal pit supporting construction top horizontal displacement monitoring devices adopts following technical scheme:
a device for monitoring horizontal displacement of the top of a deep foundation pit supporting structure comprises a reflecting plate arranged on a supporting pile and a base installed in a foundation pit, wherein a laser range finder is arranged on the base, a fixed column inserted into a soil layer of the foundation pit is arranged below the base, a vibration damping mechanism is arranged between the base and the fixed column, and an angle adjusting mechanism used for adjusting the rotating angle of the laser range finder on the base is arranged on the base.
By adopting the technical scheme, after the fixing column is inserted into the foundation pit, the vibration damping mechanism can effectively absorb and weaken the vibration transmitted from the soil layer, so that the working stability of the laser range finder is improved as much as possible, and the accuracy of monitoring data is ensured as much as possible.
Optionally, the damping mechanism includes coaxial wearing to establish the damping rod of fixed column upper end, the damping rod rigid coupling is in terminal surface under the base, damping rod middle part cambered surface outer wall rigid coupling has spacing piece, the fixed column upper end coaxial set up with the spout of spacing piece adaptation that slides, spacing piece with be provided with the elastic component between the spout diapire, be provided with on the fixed column and be used for the locking subassembly of damping rod.
Through adopting above-mentioned technical scheme, when the vibration transmission that heavy machinery during operation produced was to the fixed column on, the relative damping rod of fixed column takes place axial displacement for spacing piece on the damping rod slides in the spout, and the elastic component is compressed and is produced deformation, can realize the effective buffering to fixed column relative displacement, thereby avoid too much vibration transmission to damping rod and in the laser range finder on it as far as, ensured laser range finder's monitoring precision.
Optionally, a vibration adjusting assembly for adjusting the distance between the limiting piece and the bottom wall of the sliding chute in the initial state is arranged on the fixing column.
Through adopting above-mentioned technical scheme, when monitoring the horizontal displacement of fender pile on different construction stages or different foundation ditch soil layers, the laser range finder receives the intensity of coming from external vibration influence and differs, adjusts the interval between spacing piece and the spout diapire through the vibration adjusting assembly, can change the initial stiffness coefficient of elastic component for damping mechanism is applicable to the effective damping to not using vibration intensity.
Optionally, the vibration control assembly includes a plurality of coaxial rigid couplings are in the adjustable ring on the spout inner wall, it is a plurality of the adjustable ring is along fixed column axial is interval arrangement, a plurality of openings have been seted up on the adjustable ring, the opening with spacing piece grafting adaptation, spacing piece corresponds with the opening and is provided with a plurality ofly, and is a plurality of spacing piece and a plurality of the opening all with the adjustable ring axis is equidistant circumference array distribution.
Through adopting above-mentioned technical scheme, when needing to adjust the initial stiffness coefficient of elastic component, rotate the damping rod and make a plurality of spacing pieces aim at with a plurality of openings respectively one by one, make spacing piece pass opening to suitable position after upwards or the damping rod that slides down, when rotatory damping rod makes spacing piece and opening dislocation again, realized the convenient adjustment to interval between spacing piece and the spout diapire.
Optionally, an observation groove is formed in the outer peripheral wall of the fixed column arc surface along the axial direction of the fixed column arc surface, and the observation groove is communicated with the sliding groove.
By adopting the technical scheme, an operator can directly observe the position of the limiting piece through the observation groove, so that the limiting piece can be quickly aligned with the opening, and the position of the limiting piece in the axial direction of the fixed column can be observed.
Optionally, the upper end face of the fixing column is coaxially and fixedly connected with a sleeve matched with the sliding of the damping rod, and the fixing column is provided with a limiting groove matched with the sliding of the damping rod on the bottom wall of the sliding groove.
Through adopting above-mentioned technical scheme, sleeve and spacing groove all with the adaptation that slides of damping rod for the damping rod slides on the fixed column more stably.
Optionally, the periphery of the upper end of the fixing column is hinged with a plurality of auxiliary feet, and the free end of each auxiliary foot is hinged with a ground foot nail.
Through adopting above-mentioned technical scheme, a plurality of supplementary feet and footing nail have effectively improved the firm in connection degree of fixed column and foundation ditch soil layer, have improved the stability of fixed column in the foundation ditch.
Optionally, the angle adjusting mechanism includes a rotating shaft rotatably connected to the middle of the upper end surface of the base, the laser range finder is arranged at the upper end portion of the rotating shaft, a worm wheel is coaxially and fixedly connected to the lower end surface of the rotating shaft, and a worm meshed with the worm wheel is rotatably connected to the base.
Through adopting above-mentioned technical scheme, during rotatory worm, the worm drives the worm wheel rotation of being connected with it meshing, and it is rotatory to drive pivot and the last laser range finder of turbine rotation time, has realized laser range finder turned angle's convenient adjustment.
Optionally, the locking assembly comprises a locking block fixedly connected to the upper end face of the limiting piece, and a locking hole matched with the locking block in an inserting manner is formed in the adjusting ring in a penetrating manner.
Through adopting above-mentioned technical scheme, slip damping rod to suitable position after, rotatory damping rod so that spacing piece and opening dislocation make locking block and lockhole align simultaneously, and spacing piece supports under the effect of the elastic deformation power of elastic component tightly terminal surface under the adjustable ring to realize the convenient locking of locking subassembly to damping rod.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after the fixed column is inserted into the foundation pit, the vibration reduction mechanism can effectively absorb and weaken the vibration transmitted from the soil layer, so that the stability of the laser range finder during working is improved as much as possible, and the accuracy of monitoring data is ensured as much as possible;
2. when the horizontal displacement of the support pile is monitored in different construction stages or different foundation pit soil layers, the laser range finders are different in strength influenced by vibration from the outside, and the initial stiffness coefficient of the elastic piece can be changed by adjusting the distance between the limiting piece and the bottom wall of the sliding groove through the vibration adjusting component, so that the vibration damping mechanism is suitable for effectively damping the vibration without vibration strength;
3. a plurality of supplementary feet and footing nail have effectively improved the firm in connection degree of fixed column and foundation ditch soil layer, have improved the stability of fixed column in the foundation ditch.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic view of a half-section of an embodiment of the present application;
fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Reference numerals: 1. a base; 2. a laser range finder; 3. fixing a column; 4. a damper rod; 5. a limiting sheet; 6. a chute; 7. an elastic member; 8. an adjusting ring; 9. opening the gap; 10. observing the groove; 11. a sleeve; 12. a limiting groove; 13. an auxiliary foot; 14. a foot margin nail; 15. a rotating shaft; 16. a worm gear; 17. a worm; 18. a locking block; 19. and (6) locking the hole.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses deep basal pit supporting construction top horizontal displacement monitoring devices. Referring to fig. 1 and 2, the top horizontal displacement monitoring device of the deep foundation pit supporting structure comprises a reflecting plate (not shown in the figure) arranged on a supporting pile and a base 1 installed in a foundation pit, a laser range finder 2 is arranged on the base 1, a fixing column 3 inserted into a foundation pit soil layer is arranged below the base 1, a tip is arranged at the lower end of the fixing column 3, a plurality of auxiliary feet 13 are hinged on the periphery of the upper end of the fixing column 3, free ends of the auxiliary feet 13 are hinged with a ground foot nail 14, a vibration damping mechanism is arranged between the base 1 and the fixing column 3, and an angle adjusting mechanism used for adjusting the rotation angle of the laser range finder 2 on the base 1 is arranged on the base 1; the angle modulation mechanism comprises a rotating shaft 15 which is rotatably connected to the middle part of the upper end face of the base 1, the laser range finder 2 is arranged at the upper end part of the rotating shaft 15, a worm wheel 16 is coaxially and fixedly connected to the lower end face of the rotating shaft 15, and a worm 17 which is meshed with the worm wheel 16 is rotatably connected to the base 1.
After the fixed column 3 is inserted into a foundation pit, the fixed column 3 is reinforced and fixed through the ground foot nails 14 on the auxiliary feet 13, and meanwhile, the vibration damping mechanism can effectively absorb and weaken vibration transmitted from a soil layer, so that the stability of the laser range finder 2 during working is improved as much as possible, and the accuracy of monitoring data is ensured as much as possible; when the laser range finder is used, the rotating worm 17 can drive the rotating shaft 15 and the laser range finder 2 thereon to rotate, so that the convenient adjustment of the rotating angle of the laser range finder 2 is realized.
Referring to fig. 1 and 2, damping mechanism includes damping rod 4 of coaxial wearing to establish in the 3 upper ends of fixed column, damping rod 4 coaxial rigid coupling is terminal surface under base 1, damping rod 4 middle part cambered surface outer wall rigid coupling has spacing piece 5, spacing piece 5 is fan-shaped and is provided with a plurality ofly, 3 upper ends of fixed column are coaxial set up with the spout 6 of spacing piece 5 adaptation that slides, spout 6 sets up along 3 axial of fixed column, be provided with elastic component 7 between spacing piece 5 and the 6 diapire of spout, elastic component 7 sets up to establish the spring on damping rod 4 for the cover, be provided with on the fixed column 3 and be used for locking damping rod 4 in order to prevent its pivoted locking subassembly.
Referring to fig. 1 and 2, be provided with the subassembly that shakes that is used for adjusting interval between spacing piece 5 and the 6 diapalls of spout under the initial condition on the fixed column 3, the subassembly that shakes includes the adjustable ring 8 of a plurality of coaxial rigid couplings on 6 inner walls of spout, a plurality of adjustable rings 8 are interval arrangement along the 3 axial of fixed column, a plurality of openings 9 have been seted up on the adjustable ring 8, opening 9 and 5 grafting adaptations of spacing piece, spacing piece 5 corresponds with opening 9 and is provided with a plurality ofly, spacing piece 5 is provided with two in the embodiment of this application, a plurality of spacing pieces 5 and a plurality of opening 9 all are equidistant circumference array distribution with adjustable ring 8 axis.
When monitoring the horizontal displacement of a support pile on different construction stages or different foundation pit soil layers, rotate damping rod 4 and make a plurality of spacing pieces 5 aim at with a plurality of openings 9 one by one respectively, make spacing piece 5 pass opening 9 to suitable position after upwards or the damping rod 4 that slides down, rotatory damping rod 4 again makes spacing piece 5 and opening 9 dislocation, the deformation force of elastic component 7 promotes spacing piece 5 and supports tightly on adjustable ring 8 this moment, realized the convenient adjustment of interval between spacing piece 5 and the 6 diapalls of spout, in order to be applicable to the construction situation of different vibration intensity.
Referring to fig. 2 and 3, the locking assembly includes locking blocks 18 fixedly connected to the upper end surface of the limiting piece 5, the adjusting ring 8 is provided with two locking holes 19 in a penetrating manner, the two locking holes 19 are in plug-in fit with the locking blocks 18, and the two locking holes 19 are in one-to-one correspondence with the two locking blocks 18; the 3 cambered surface periphery walls of fixed column are seted up along its axial observation groove 10, observe groove 10 and link up with spout 6.
After the vibration-damping rod 4 is slid to a proper position, the vibration-damping rod 4 is rotated to enable the limiting piece 5 to be dislocated with the notch 9, meanwhile, the locking block 18 is aligned with the locking hole 19, and the limiting piece 5 is tightly abutted against the lower end face of the adjusting ring 8 under the action of elastic deformation force of the elastic piece 7, so that the vibration-damping rod 4 is conveniently locked by the locking assembly, and the laser range finder 2 is effectively prevented from rotating accidentally in the use process; after the observation groove 10 is arranged, an operator can directly observe the position of the limiting piece 5 through the observation groove 10, so that the limiting piece 5 can be conveniently and quickly aligned with the opening 9, and the position of the limiting piece 5 in the axial direction of the fixing column 3 can be observed.
Referring to fig. 2, the coaxial rigid coupling of fixed column 3 up end has the sleeve 11 with the adaptation that slides of damping rod 4, and fixed column 3 sets up the spacing groove 12 with the adaptation that slides of damping rod 4 on the diapire of spout 6. Sleeve 11 and spacing groove 12 all slide the adaptation with damping rod 4 for damping rod 4 slides on fixed column 3 more stably.
The implementation principle of the device for monitoring the horizontal displacement of the top of the deep foundation pit supporting structure in the embodiment of the application is as follows: after the fixed column 3 is inserted into a foundation pit, the fixed column 3 is strengthened and fixed through the ground foot nails 14 on the auxiliary feet 13, and meanwhile, when the vibration damping rod 4 slides in the sliding groove 6 in the fixed column 3, the elastic piece 7 deforms and can effectively absorb and weaken vibration transmitted from the soil layer, so that the stability of the laser range finder 2 during working is improved as much as possible, and the accuracy of monitoring data is ensured as much as possible.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a deep basal pit supporting construction top horizontal displacement monitoring devices, includes setting up reflecting plate on a fender pile and installs base (1) in the foundation ditch, be provided with laser range finder (2) on base (1), its characterized in that: a fixing column (3) inserted into a foundation pit soil layer is arranged below the base (1), a vibration damping mechanism is arranged between the base (1) and the fixing column (3), and an angle adjusting mechanism used for adjusting the rotating angle of the laser range finder (2) on the base (1) is arranged on the base (1).
2. The deep foundation pit supporting structure top horizontal displacement monitoring device of claim 1, wherein: damping mechanism includes coaxial wearing to establish damping rod (4) of fixed column (3) upper end, damping rod (4) rigid coupling is in terminal surface under base (1), damping rod (4) middle part cambered surface outer wall rigid coupling has spacing piece (5), fixed column (3) upper end coaxial seted up with spout (6) of spacing piece (5) adaptation that slides, spacing piece (5) with be provided with elastic component (7) between spout (6) diapire, be provided with on fixed column (3) and be used for the locking subassembly of damping rod (4).
3. The deep foundation pit supporting structure top horizontal displacement monitoring device of claim 2, wherein: the fixed column (3) is provided with a vibration adjusting component used for adjusting the distance between the limiting sheet (5) and the bottom wall of the sliding groove (6) in the initial state.
4. The deep foundation pit supporting structure top horizontal displacement monitoring device of claim 3, wherein: the vibration adjusting assembly comprises a plurality of adjusting rings (8) which are coaxially and fixedly connected to the inner wall of the sliding groove (6), the adjusting rings (8) are arranged at intervals along the axial direction of the fixing column (3), a plurality of openings (9) are formed in the adjusting rings (8), the openings (9) are matched with the limiting pieces (5) in an inserting mode, the limiting pieces (5) are provided with a plurality of openings (9) in a corresponding mode, and the limiting pieces (5) are multiple in number, the openings (9) are all distributed in an equidistant circumferential array mode on the axis of the adjusting rings (8).
5. The deep foundation pit supporting structure top horizontal displacement monitoring device of claim 4, wherein: the outer peripheral wall of the cambered surface of the fixing column (3) is provided with an observation groove (10) along the axial direction of the cambered surface, and the observation groove (10) is communicated with the sliding groove (6).
6. The deep foundation pit supporting structure top horizontal displacement monitoring device of claim 5, wherein: the upper end face of the fixing column (3) is coaxially and fixedly connected with a sleeve (11) matched with the vibration damping rod (4) in a sliding mode, and the fixing column (3) is arranged on the bottom wall of the sliding groove (6) and provided with a limiting groove (12) matched with the vibration damping rod (4) in a sliding mode.
7. The deep foundation pit supporting structure top horizontal displacement monitoring device of claim 1, wherein: the periphery of the upper end of the fixing column (3) is hinged with a plurality of auxiliary feet (13), and the free end of each auxiliary foot (13) is hinged with a ground foot nail (14).
8. The deep foundation pit supporting structure top horizontal displacement monitoring device of claim 1, wherein: the angle adjusting mechanism comprises a rotating shaft (15) which is rotatably connected to the middle of the upper end face of the base (1), the laser range finder (2) is arranged at the upper end portion of the rotating shaft (15), a worm wheel (16) is coaxially and fixedly connected to the lower end face of the rotating shaft (15), and a worm (17) which is meshed with the worm wheel (16) and connected to the base (1) in a rotating mode.
9. The deep foundation pit supporting structure top horizontal displacement monitoring device of claim 4, wherein: the locking assembly comprises a locking block (18) fixedly connected with the upper end face of the limiting piece (5), and a locking hole (19) matched with the locking block (18) in an inserting mode penetrates through the adjusting ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022422866.5U CN213952314U (en) | 2020-10-27 | 2020-10-27 | Deep basal pit supporting construction top horizontal displacement monitoring devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022422866.5U CN213952314U (en) | 2020-10-27 | 2020-10-27 | Deep basal pit supporting construction top horizontal displacement monitoring devices |
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| CN213952314U true CN213952314U (en) | 2021-08-13 |
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| CN202022422866.5U Active CN213952314U (en) | 2020-10-27 | 2020-10-27 | Deep basal pit supporting construction top horizontal displacement monitoring devices |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754252A (en) * | 2022-04-15 | 2022-07-15 | 中地华建工程勘察设计有限公司 | Networking real-time monitoring's automatic deformation monitoring facilities of subway foundation ditch |
| CN115506367A (en) * | 2022-10-19 | 2022-12-23 | 北京建工集团有限责任公司 | Construction deep foundation pit supporting device with adaptability regulatory function |
-
2020
- 2020-10-27 CN CN202022422866.5U patent/CN213952314U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754252A (en) * | 2022-04-15 | 2022-07-15 | 中地华建工程勘察设计有限公司 | Networking real-time monitoring's automatic deformation monitoring facilities of subway foundation ditch |
| CN114754252B (en) * | 2022-04-15 | 2023-10-13 | 中地华建工程勘察设计有限公司 | Automatic deformation monitoring equipment for subway foundation pit with real-time monitoring function through networking |
| CN115506367A (en) * | 2022-10-19 | 2022-12-23 | 北京建工集团有限责任公司 | Construction deep foundation pit supporting device with adaptability regulatory function |
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