CN115787754A - Foundation pit side slope gradient measurement and side slope deformation monitoring device - Google Patents
Foundation pit side slope gradient measurement and side slope deformation monitoring device Download PDFInfo
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- CN115787754A CN115787754A CN202211626460.6A CN202211626460A CN115787754A CN 115787754 A CN115787754 A CN 115787754A CN 202211626460 A CN202211626460 A CN 202211626460A CN 115787754 A CN115787754 A CN 115787754A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
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Abstract
The invention provides a foundation pit slope gradient measurement and slope deformation monitoring device, wherein two upright posts are fixedly installed on the ground at the edge of a foundation pit, the upper ends of the upright posts are connected with a lower base, the top surface of the lower base is movably connected with a horizontal connecting rod fixing block, the upper end of the horizontal connecting rod fixing block is connected with an upper base, the top of the upper base is provided with a computer control system, the horizontal connecting rod fixing block is transversely connected with a horizontal connecting rod, the rotating shafts respectively comprise a rotating shaft C, a rotating shaft A and a rotating shaft B from top to bottom, the upper end of the rotating shaft C is installed in the upper base, the rotating shaft A is installed in the lower base, the rotating shaft C penetrates through the center of the horizontal connecting rod fixing block, the horizontal connecting rod is vertically and fixedly connected with a hollow vertical post, a height adjusting rod is installed in the hollow vertical post, and a GPS receiver is installed at the top of the height adjusting rod.
Description
Technical Field
The invention belongs to the technical field of constructional engineering measurement, and particularly relates to a slope measurement and slope deformation monitoring device for foundation pit supporting engineering.
Background
The person who excavates deeper foundation pit and is close to the building must use foundation pit wall to support, spray concrete dado method, large-scale foundation pit even adopt underground continuous wall and column type drilling bored concrete pile chain method, etc., protect outside soil layer from collapsing into; the stability of the foundation pit wall support is particularly important, and the stability of the foundation pit wall support can be reacted through slope measurement; survey excavation supporting slope at present and adopt the theodolite greatly, adopt the theodolite to measure the excavation supporting slope, but the theodolite belongs to precision instruments, it must influence the measurement accuracy of theodolite and comparatively professional in the use to carry for a long time jolting, be not convenient for most people to use, thereby make the measurement condition of side slope too high, be difficult to satisfy general measurement needs, excavation deformation monitoring needs total powerstation is measured simultaneously, if measure ground deformation appear and lead to measuring result to appear the deviation, in order to guarantee the side slope in the side slope construction and monitor the side slope deformation, research a technological more advanced and feasible equipment, guarantee foundation ditch construction safety, construction cost is reduced.
CN217845182U patent proposes an inclination measuring device for foundation pit supporting engineering. The upper end of supporting the base is connected with perpendicular grudging post, the inside swing joint of fixed spout in the middle of the perpendicular grudging post has a set of horizontal balladeur train, upper sliding ruler is pegged graft respectively to upper and lower two sets of horizontal balladeur trains inside, lower sliding ruler, upper sliding ruler, the lower sliding ruler top is connected with handheld inclination dipperstick, handheld inclination dipperstick is by straight roof beam structure, the arc bracket, semi-circular spirit level, the angle scale sign indicating number is constituteed, the upper end is connected with the arc bracket in the middle of the straight roof beam structure, the inside of arc bracket is inlayed and is had semi-circular spirit level, and semi-circular spirit level's surface is provided with the angle scale sign indicating number. It utilizes handheld arc spirit level and vertical measurement frame cooperation to carry out dual measurement, and usable handheld arc spirit level carries out swift excavation supporting slope inclination and measures, utilizes handheld arc spirit level and vertical measurement frame's cooperation to carry out accurate inclination measurement simultaneously, and based on this from portability and the operation degree of difficulty and combine to utilize trigonometric function principle, in order to solve above-mentioned problem, it has important meaning to the foundation ditch side slope measurement and side slope deformation monitoring devices to the foundation ditch construction to provide one kind.
Disclosure of Invention
The invention aims to provide a foundation pit side slope gradient measurement and side slope deformation monitoring device, which is used for solving the problems in the prior art, can be used for carrying out accurate measurement and is convenient and quick to disassemble, the construction time and cost are saved, the construction efficiency is improved, and the stability and the safety of a side slope in the construction process can be finally ensured.
In order to achieve the purpose, the invention provides the following scheme: a foundation pit slope gradient measurement and slope deformation monitoring device comprises a foundation pit, a foundation pit slope, the ground, a measurement receiving plate, support columns, an observation station and a horizontal connecting rod, wherein the measurement receiving plate comprises a receiving plate fixing seat, a connecting rod A, a receiving plate base, a scale plate, a cross wire, a safety area, a warning area, a scale, an alarm area and a monitoring point; the observation station comprises a hollow vertical column, a fixed screw A, a fixed screw B, a horizontal round hole, a height adjusting rod, a circular scale plate, a pointer, a rotating shaft, a scale, a GPS receiver and a laser transmitter, wherein the vertical column is fixedly installed on the edge of a foundation pit, the upper end of the vertical column is connected with a lower base, the top surface of the lower base is movably connected with the fixed block of the horizontal connecting rod, the upper end of the fixed block of the horizontal connecting rod is connected with the upper base, the top of the upper base is provided with the computer control system, the fixed block of the horizontal connecting rod is transversely connected with the horizontal connecting rod, the rotating shafts are respectively provided with the rotating shaft C, the rotating shaft A and the rotating shaft B from top to bottom, the rotating shaft C is installed in the upper base, the rotating shaft C penetrates through the center of the fixed block of the horizontal connecting rod, the rotating shaft A and the rotating shaft B are circumferentially welded on the rotating shaft gear, the rotating shaft gear and the motor gear are matched with the vertical center of the motor gear, the rotating shaft A is connected with the fixed column, the fixed rod is connected with the fixed rod through the vertical adjusting rod, the fixed rod is connected with the vertical adjusting rod, the pointer is connected with the vertical adjusting rod, and the horizontal adjusting rod is connected with the vertical adjusting rod, and the horizontal adjusting rod, the vertical adjusting rod, and the vertical adjusting rod is connected with the vertical adjusting rod, and the vertical adjusting rod, the side surface of the base of the receiving plate is provided with a scale plate, the center point of the cross wire is coincided with the circle center of the scale plate, the circle center of the scale plate is respectively provided with a safety area, a warning area and an alarm area from inside to outside, a graduated scale is arranged in the warning area, and a monitoring point is arranged on the side, aligned with the pointer, of the fixing seat of the receiving plate.
As a further scheme of the invention: the receiving plate fixing seat is installed in an inclined mode, the inclination angle is consistent with the gradient of the foundation pit side slope, the monitoring points are arranged at the positions of the receiving plate fixing seat and the slope surface of the foundation pit side slope, and the monitoring points and the laser transmitter are located on the same straight line.
As a further scheme of the invention: the scale plate is a circular plate, a cross wire is arranged at the center of the circular plate, the first circular area is a safety area, the area between the first circular area and the second circular area is a warning area, the area between the second circular area and the third circular area is a warning area, and scales are arranged in the safety area and the warning area.
As a further scheme of the invention: the section of the rotating shaft C in the upper base and the horizontal connecting rod fixing block is hexagonal, and the section of the rotating shaft A and the section of the rotating shaft B in the lower base are circular.
As a further scheme of the invention: the arrangement position of the horizontal round hole is determined by the gradient of a foundation pit side slope, a height adjusting rod, a receiving plate base and a rotating shaft through trigonometric function calculation, and the center point of the rotating shaft and a monitoring point are positioned on the same plane when the fixing screw A is screwed down; when the fixing screw B is screwed down, the central point of the rotating shaft and the cross wire of the measuring receiving plate are positioned on the same plane.
As a further scheme of the invention: the vertical middle position of the height adjusting rod is a groove, a circular scale plate is arranged on the outer side of the bottom surface of the groove, a pointer is arranged on the outer side of the circular scale plate, a laser emitter is installed at the end part of the pointer, and the pointer and the circular scale plate are connected with the height adjusting rod through a rotating shaft. The axial center line of the pointer and the center of the GPS receiver are vertically positioned on the same plane.
Has the beneficial effects.
The invention discloses the following technical effects: a foundation pit slope gradient measurement and slope deformation monitoring device is characterized in that a stand column is fixedly installed on the ground at the edge of a foundation pit, a lower base is connected to the upper end of the stand column, the top surface of the lower base is movably connected with a horizontal connecting rod fixing block, an upper base is connected to the upper end of the horizontal connecting rod fixing block, a computer control system is installed at the top of the upper base, the horizontal connecting rod fixing block is transversely connected with a horizontal connecting rod, a rotating shaft C, a rotating shaft A and a rotating shaft B are respectively arranged from top to bottom, the upper end of the rotating shaft C is installed in the upper base, the rotating shaft A is installed in the lower base, the rotating shaft C penetrates through the center of the horizontal connecting rod fixing block, the horizontal connecting rod is vertically and fixedly connected with a hollow vertical column, a height adjusting rod is installed in the hollow vertical column, and a GPS receiver is installed at the top of the height adjusting rod.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on the drawings without creative efforts.
FIG. 1 is a top view of a foundation pit slope gradient measurement and slope deformation monitoring device.
Fig. 2 is a side view of a foundation pit slope gradient measuring device.
Fig. 3 is a side view of a foundation pit slope deformation detection device.
Fig. 4 is a front view of the measurement receiving plate.
Fig. 5 is a side view of the measurement receiving plate.
Fig. 6 is a top view of the measurement receiving plate.
Fig. 7 is an enlarged view of the scale plate.
Fig. 8 is a front view of the observation station.
FIG. 9 is a side view of an observation station.
Fig. 10 isbase:Sub>A sectional top view taken along linebase:Sub>A-base:Sub>A of fig. 8.
Figure 11 is a front view of the support post.
Figure 12 is a side view of a support post.
Figure 13 is a top view of the support post.
Fig. 14 is a partial enlarged view of B in fig. 11.
The system comprises a foundation pit 1, a foundation pit slope 2, a ground 3, a measuring receiving plate 4, a support column 5, an observation station 6, a horizontal connecting rod 7, a receiving plate fixing seat 8, a connecting rod A9, a receiving plate base 10, a scale plate 11, a cross wire 111, a safety area 112, an alarm area 113, a graduated scale 114, an alarm area 115, a monitoring point 12, an upright post 13, a lower base 14, a rotating shaft A151, a rotating shaft B152, a rotating shaft C153, a horizontal connecting rod fixing block 16, an upper base 17, a computer control system 18, a roller 19, a motor 20, a rotating shaft gear 21, a motor gear 22, a motor rotating shaft 23, a hollow vertical post 24, a fixing screw A25, a fixing screw B26, a horizontal round hole 27, a height adjusting rod 28, a circular scale plate 29, a pointer 30, a rotating shaft 31, a scale 32, a GPS receiver 33 and a laser transmitter 34.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-14, the present invention provides a foundation pit slope gradient measurement and slope deformation monitoring device, including a foundation pit 1, a foundation pit slope 2, a ground 3, a measurement receiving plate 4, a support pillar 5, an observation station 6, and a horizontal connecting rod 7, where the measurement receiving plate 4 includes a receiving plate fixing base 8, a connecting rod A9, a receiving plate base 10, a scale 11, a cross wire 111, a safety zone 112, an alarm zone 113, a scale 114, an alarm zone 115, and a monitoring point 12; the supporting column comprises an upright column 13, a lower base 14, a rotating shaft A151, a rotating shaft B152, a rotating shaft C153, a horizontal connecting rod fixing block 16, an upper base 17, a computer control system 18, a rolling shaft 19, a motor 20, a rotating shaft gear 21, a motor gear 22 and a motor rotating shaft 23, the observation station comprises a hollow vertical column 24, a fixing screw A25, a fixing screw B26, a horizontal round hole 27, a height adjusting rod 28, a circular scale plate 29, a pointer 30, a rotating shaft 31, scales 32, a GPS receiver 33 and a laser emitter 34, the upright column 13 is fixedly installed on the ground 3 at the edge of the foundation pit 1, the upper end of the upright column 13 is connected with the lower base 14, the top surface of the lower base 14 is movably connected with the horizontal connecting rod fixing block 16, the upper end of the horizontal connecting rod fixing block 16 is connected with the upper base 17, the computer control system 18 is installed at the top of the upper base 17, and the horizontal connecting rod fixing block 16 is transversely connected with a horizontal connecting rod 7, the rotating shafts are respectively provided with a rotating shaft C153, a rotating shaft A151 and a rotating shaft B152 from top to bottom, the top of the rotating shaft C153 is arranged in the upper base 17, the center of the top of the rotating shaft C153 is provided with a roller 19, the rotating shaft C153 penetrates through the center of the horizontal connecting rod fixing block 16, the rotating shaft A151 and the rotating shaft B152 are arranged in the lower base 14, the center of the bottom of the rotating shaft B152 is provided with the roller 19, the rotating shaft B152 is welded with a rotating shaft gear 21 in the circumferential direction, the rotating shaft gear 21 is matched with a motor gear 22 to work, the vertical center of the motor gear 22 is provided with a motor rotating shaft 23, the motor rotating shaft 23 is connected with a motor 20, the hollow vertical column 24 penetrates through the horizontal connecting rod 7 to be vertically and fixedly connected, a height adjusting rod 28 is movably arranged in the hollow vertical column 24, the hollow vertical column 24 is provided with two horizontal round holes 27, a fixing screw A25 and a fixing screw B26 are respectively arranged in the two horizontal round holes 27, and the top of the height adjusting rod 28 is provided with a GPS receiver 33, the vertical middle position of height adjustment pole 28 is the recess, installation circular scale 29 and pointer 30 in the recess, receiving plate fixing base 8 passes through connecting rod A9 and is connected with receiving plate base 10, and receiving plate base 10 side is scale 11, and the 111 central points of cross silk coincide with the scale 11 centre of a circle, and the scale 11 centre of a circle is safe district 112, warning district 113, alarm area 115 respectively from inside to outside, sets up scale 114 in the warning district 113, and receiving plate fixing base 8 aims at the pointer 30 side and sets up monitoring point 12.
The receiving plate fixing seat 8 is installed in an inclined mode, the inclination angle is consistent with the gradient of the foundation pit side slope 2, the monitoring point 12 is arranged at the slope surface of the receiving plate fixing seat 8 and the foundation pit side slope 2, and the monitoring point 12 and the laser transmitter 34 are located on the same straight line.
The scale plate 11 is a circular plate, a cross wire 111 is arranged at the center of the circular plate, a first circular area is a safety area 112, an area between the first circular area and the second circular area is a warning area 113, an area between the second circular area and the third circular area is a warning area 115, and scales 114 are arranged in the safety area 112 and the warning area 113.
The rotation shaft C153 has a hexagonal cross section in the upper base 17 and the horizontal link fixing block 16, and the rotation shaft a151 and the rotation shaft B152 have a circular cross section in the lower base 14.
The arrangement position of the horizontal round hole 27 is determined by the gradient of the foundation pit side slope 2, the height adjusting rod 28, the distance between the receiving plate base 10 and the rotating shaft 31 through trigonometric function calculation, and the central point of the rotating shaft 31 and the monitoring point 12 are positioned on the same plane when the fixing screw A25 is screwed down; when the fixing screw B26 is tightened, the center point of the rotating shaft 31 is in the same plane as the cross wire 111 of the measurement receiving plate 4.
The vertical middle position of the height adjusting rod 28 is a groove, a circular scale plate 29 is arranged on the outer side of the bottom surface of the groove, a pointer 30 is arranged on the outer side of the circular scale plate 29, a laser emitter 34 is installed at the end part of the pointer 30, and the pointer 30 and the circular scale plate 29 are connected with the height adjusting rod 28 through a rotating shaft 31. The axial center line of the pointer 30 is vertically on the same plane with the center of the GPS receiver 33.
Examples are given below.
Before construction, the upright 13, the lower base 14, the rotating shaft A151, the rotating shaft B152 and the rotating shaft C153 are installed into a whole, the height of the upright 13 is calculated through a trigonometric function according to the gradient of the foundation pit side slope 2 and the height from the central point of the rotating shaft 31 to the bottom surface of the lower base 14, and the central point of the rotating shaft 31 and the central point of the monitoring point 12 are ensured to be on the same plane.
Construction layout is carried out according to the slope of foundation ditch side slope 2 before foundation ditch 1 excavates, emits the ground excavation size, then excavates the hole groove at 1 marginal excavation point outer certain distance ground 3 of foundation ditch, then buries the hole inslot with stand 13 perpendicular to ground, and concreting is fixed.
After the strength of the concrete reaches 75% of the design strength, installing the rotating shaft A151, the rotating shaft B152 and the rotating shaft C153 into the horizontal connecting rod fixing block 16 and the upper base 17 to ensure that the rolling shaft 19 is aligned to the design position; installing a horizontal connecting rod 7 and an observation station 6; fixing the fixed screw A25 and the fixed screw B26, setting monitoring coordinates of monitoring points in the computer control system 18, starting the GPS receiver 33 and the motor 20, driving the motor gear 22 to rotate by the motor rotation, driving the rotating shaft gear 21 to rotate by the motor gear 22, driving the rotating shaft B152, the rotating shaft A151 and the rotating shaft C153 to rotate by the roller 19, driving the horizontal connecting rod fixing block 16, the horizontal connecting rod 7 and the observation station 6 to rotate, stopping the motor 20 when the coordinates of the GPS receiver 33 reach the monitoring coordinates, and checking the pointer 30, the scale 32, the GPS receiver 33 and the laser transmitter 34.
Excavation is put on the slope in foundation ditch 1, along with the continuous excavation of foundation ditch 1, excavates the pit slot on foundation ditch side slope 2 is domatic, buries the pit slot with receiving plate fixing base 8 perpendicular foundation ditch side slope 2 is domatic, aims at monitoring point 12 through laser emitter 34 transmission laser, with the fixed receiving plate fixing base 8 of concrete, aims at all monitoring points 12 buried underground through laser emitter 34 transmission laser and is used for monitoring the side slope excavation slope.
With the continuous excavation of foundation pit 1, will monitor the deformation of foundation pit side slope 2, need adjust the height adjusting rod 28 position this moment, fix set screw B26, pivot 31 and cross 111 are in the coplanar this moment, when foundation pit side slope 2 takes place the displacement, the dot of cross 111 can deviate to the laser point of laser emitter 34 transmission, if the laser point falls in safe area 112, the monitoring point of foundation pit side slope 2 is in safe state, when the laser point falls in warning area 113, can know the side slope displacement volume and remind and should carry out the side slope processing through the scale coordinate, when the laser point falls in warning area 115, the monitoring point displacement of explanation foundation pit side slope 2 reaches emergency situation and reminds to stop the construction.
Compared with the prior art, the foundation pit slope gradient measurement and slope deformation monitoring device provided by the invention has the advantages that the vertical columns are fixedly installed on the ground at the edge of the foundation pit, the upper ends of the vertical columns are connected with the lower base, the top surface of the lower base is movably connected with the horizontal connecting rod fixing block, the upper end of the horizontal connecting rod fixing block is connected with the upper base, the top of the upper base is provided with the computer control system, the horizontal connecting rod fixing block is transversely connected with the horizontal connecting rod, the rotating shafts are respectively provided with the rotating shaft C, the rotating shaft A and the rotating shaft B from top to bottom, the upper end of the rotating shaft C is installed in the upper base, the rotating shaft A is installed in the lower base, the rotating shaft C penetrates through the center of the horizontal connecting rod fixing block, the horizontal connecting rod is vertically and fixedly connected with the hollow vertical column, the height adjusting rod is installed in the hollow vertical column, and the GPS receiver is installed at the top of the height adjusting rod.
Claims (6)
1. A foundation pit slope gradient measurement and slope deformation monitoring device is characterized by comprising a foundation pit (1), a foundation pit slope (2), a ground (3), a measurement receiving plate (4), a support column (5), an observation station (6) and a horizontal connecting rod (7), wherein the measurement receiving plate (4) comprises a receiving plate fixing seat (8), a connecting rod A (9), a receiving plate base (10), a scale plate (11), a cross wire (111), a safety zone (112), a warning zone (113), a graduated scale (114), an alarm zone (115) and a monitoring point (12); the support column includes stand (13), lower base (14), axis of rotation A (151), axis of rotation B (152), axis of rotation C (153), horizontal connecting rod fixed block (16), go up base (17), computer control system (18), roller bearing (19), motor (20), axis of rotation gear (21), motor gear (22), motor shaft (23), the observation station includes hollow vertical post (24), clamping screw A (25), clamping screw B (26), horizontal round hole (27), height control pole (28), circular scale board (29), pointer (30), pivot (31), scale (32), GPS receiver (33), laser emitter (34), fixed mounting stand (13) on foundation ditch (1) marginal ground (3), stand (13) upper end is connected with lower base (14), lower base (14) top surface and horizontal connecting rod fixed block (16) swing joint, horizontal connecting rod fixed block (16) upper end is connected with upper base (17), upper base (17) top installation computer control system (18), horizontal connecting rod (16) horizontally connect with horizontal connecting rod (7), axis of rotation C (153), axis of rotation A (153) respectively, top-down (151), top-down (23), top-down, A rotating shaft B (152), the top of the rotating shaft C (153) is arranged in an upper base (17), a roller (19) is arranged at the center of the top of the rotating shaft C (153), the rotating shaft C (153) penetrates through the center of a horizontal connecting rod fixing block (16), the rotating shaft A (151), the rotating shaft B (152) is arranged in a lower base (14), the roller (19) is arranged at the center of the bottom of the rotating shaft B (152), a rotating shaft gear (21) is welded on the circumference of the rotating shaft B (152), the rotating shaft gear (21) is matched with a motor gear (22) to work, a motor rotating shaft (23) is arranged at the vertical center of the motor gear (22), the motor rotating shaft (23) is connected with a motor (20), a hollow vertical column (24) penetrates through a horizontal connecting rod (7) to be vertically and fixedly connected, a height adjusting rod (28) is movably arranged in the hollow vertical column (24), two horizontal round holes (27) are vertically arranged in the hollow vertical column (24), a fixing screw rod A (25) and a fixing screw B (26) are respectively arranged in the two horizontal round holes (27), a GPS receiver (33) is arranged at the top of the height adjusting rod (28), a vertical height adjusting rod (28), a groove is arranged in a connecting rod (29), a connecting rod receiving plate is connected with a circular base (10) and a receiving plate (10), the side surface of the receiving plate base (10) is provided with a scale plate (11), the center point of the cross wire (111) is coincided with the circle center of the scale plate (11), the circle center of the scale plate (11) is respectively provided with a safety zone (112), a warning zone (113) and an alarm zone (115) from inside to outside, a graduated scale (114) is arranged in the warning zone (113), and a monitoring point (12) is arranged on the side of a receiving plate fixing seat (8) aligning to a pointer (30).
2. The foundation pit slope gradient measurement and slope deformation monitoring device according to claim 1, characterized in that the receiving plate fixing base (8) is installed in an inclined manner, the inclination angle is consistent with the slope of the foundation pit slope (2), the monitoring point (12) is arranged at the slope surface of the receiving plate fixing base (8) and the foundation pit slope (2), and the monitoring point (12) and the laser transmitter (34) are positioned on the same straight line.
3. The foundation pit slope gradient measurement and slope deformation monitoring device according to claim 1, wherein the scale plate (11) is a circular plate, a cross wire (111) is arranged at the center of the circular plate, the first circular area is a safety area (112), the area between the first circular area and the second circular area is a warning area (113), the area between the second circular area and the third circular area is a warning area (115), and scales (114) are arranged in the safety area (112) and the warning area (113).
4. The foundation pit slope gradient measurement and slope deformation monitoring device as claimed in claim 1, wherein the rotating shaft C (153) is hexagonal in inner section in the upper base (17) and the horizontal connecting rod fixing block (16), and the rotating shaft A (151) and the rotating shaft B (152) are circular in inner section in the lower base (14).
5. The foundation pit slope gradient measurement and slope deformation monitoring device according to claim 1, wherein the arrangement position of the horizontal round hole (27) is determined by the gradient of the foundation pit slope (2), a height adjusting rod (28), the distance between a receiving plate base (10) and a rotating shaft (31) through trigonometric function calculation, and the central point of the rotating shaft (31) and a monitoring point (12) are positioned on the same plane when a fixing screw A (25) is screwed down; when the fixing screw B (26) is screwed, the central point of the rotating shaft (31) and the cross wire (111) of the measuring receiving plate (4) are positioned on the same plane.
6. The foundation pit slope gradient measuring and slope deformation monitoring device as claimed in claim 1, wherein a groove is formed in the vertical middle position of the height adjusting rod (28), a circular scale plate (29) is arranged on the outer side of the bottom surface of the groove, a pointer (30) is arranged on the outer side of the circular scale plate (29), a laser transmitter (34) is mounted at the end portion of the pointer (30), the pointer (30) and the circular scale plate (29) are connected with the height adjusting rod (28) through a rotating shaft (31), and the axial center line of the pointer (30) and the center of the GPS receiver (33) are vertically located on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211626460.6A CN115787754A (en) | 2022-12-17 | 2022-12-17 | Foundation pit side slope gradient measurement and side slope deformation monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211626460.6A CN115787754A (en) | 2022-12-17 | 2022-12-17 | Foundation pit side slope gradient measurement and side slope deformation monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115787754A true CN115787754A (en) | 2023-03-14 |
Family
ID=85426019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211626460.6A Withdrawn CN115787754A (en) | 2022-12-17 | 2022-12-17 | Foundation pit side slope gradient measurement and side slope deformation monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115787754A (en) |
-
2022
- 2022-12-17 CN CN202211626460.6A patent/CN115787754A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20230314 |