CN113235677A - Building foundation pit deformation monitoring device - Google Patents
Building foundation pit deformation monitoring device Download PDFInfo
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- CN113235677A CN113235677A CN202110611002.4A CN202110611002A CN113235677A CN 113235677 A CN113235677 A CN 113235677A CN 202110611002 A CN202110611002 A CN 202110611002A CN 113235677 A CN113235677 A CN 113235677A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/046—Improving by compacting by tamping or vibrating, e.g. with auxiliary watering of the soil
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
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- General Engineering & Computer Science (AREA)
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- Environmental & Geological Engineering (AREA)
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a building foundation pit deformation monitoring device which comprises a monitor, a steel barrel frame, a separation support, guide pipes and monitoring devices, wherein the steel barrel frame is vertically embedded into a foundation pit, the separation support is installed inside the steel barrel frame, an inner cavity of the separation support is divided into foundation pit monitoring chambers, a plurality of groups are longitudinally arranged, the monitoring devices are installed inside the foundation pit monitoring chambers and used for measuring and monitoring the deformation of the foundation pit, the guide pipes are arranged on the axis inside the steel barrel frame, and the monitor is connected with the monitoring devices through wires embedded into the guide pipes and used for collecting deformation monitoring data.
Description
Technical Field
The invention relates to the technical field of foundation pit monitoring, in particular to a building foundation pit deformation monitoring device.
Background
The foundation pit monitoring is an important link in foundation pit engineering construction, and means that in the process of foundation pit excavation and underground engineering construction, various observation and analysis works are carried out on the characteristics of the foundation pit rock and soil, the displacement of a supporting structure and the change of surrounding environment conditions, the monitoring result is fed back in time, the deformation and the development of a stable state which are caused after further construction are predicted, and the degree of influence of the construction on the surrounding environment is judged according to the prediction. At present, most of devices for monitoring the deformation of a foundation pit adopt a deformation measuring station to measure, the stress deformation condition of the internal structure of the foundation pit cannot be accurately obtained, if the foundation pit collapses, early warning cannot be timely carried out, and then the tamping strength of the building foundation and the safety of the construction environment of workers cannot be guaranteed.
Accordingly, one skilled in the art provides a building foundation pit deformation monitoring device to solve the above problems in the background art.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a building foundation pit deformation monitoring devices, its includes monitor, steel drum frame, separates support, pipe and monitoring devices, inside the vertical embedding foundation pit of steel drum frame, separate the support mounting inside the steel drum frame, split into foundation pit monitoring room with its inside cavity, be longitudinal arrangement and set up the multiunit, the inside monitoring devices of installing of foundation pit monitoring room measures the monitoring to foundation pit deformation, the inside axle center of steel drum frame is equipped with the pipe, the monitor is connected with each monitoring devices through the inside wire of embedding pipe, carries out deformation monitoring data collection.
As a preferred technical scheme, the monitoring device comprises a concave plate frame, a hydraulic machine, a conveying assembly, an oval cover, auxiliary supporting block pieces and a deformation monitoring assembly, the concave plate frame and the oval cover which are longitudinally arranged in parallel are connected through the hydraulic machine, the auxiliary supporting block pieces are tightly attached to the right side faces of the upper end and the lower end of the oval cover, the deformation monitoring assembly is arranged on the left side of the oval cover, the hydraulic machine and the conveying assembly drive the deformation monitoring assembly to move left and right, and a sliding support is arranged in the concave plate frame.
As a preferred technical scheme of the invention, the deformation monitoring assembly comprises an elliptical plate, a deformation support rod, a side pressure plate, a connecting arc plate, a transverse fixing cylinder, a transverse sliding rod, a transverse shaft cylinder, an angle monitoring assembly and a shrinkage monitoring assembly, the left end of the transverse shaft cylinder penetrates through the axle center of the elliptical plate and is fixed with the elliptical plate, the left side surface of the elliptical plate is also provided with a semicircular plate, the semicircular plate is provided with deformation support rods, five groups are arranged in a quarter circumferential array, and is arranged up and down symmetrically by taking a transverse fixed cylinder arranged at the center of the semicircular plate as the center, the right end of the transverse sliding rod penetrates through the transverse fixing cylinder in a sliding manner and is fixed with the left end of the auxiliary rotating rod which penetrates through the transverse shaft cylinder in a sliding manner, the outer side surface of the auxiliary rotating rod is provided with transverse strip-shaped convex columns which are arranged in a circumferential manner, and a transverse strip-shaped sliding groove which is matched with the transverse strip-shaped convex columns to slide is formed in the transverse shaft cylinder;
deformation branch divide into microscler branch, the short deformation branch, sets up in proper order in turn, just still be equipped with the shrinkage monitoring subassembly in the deformation branch, the side still is equipped with angle monitoring subassembly about the deformation branch, the articulated connection arc board that is connected with on the long deformation branch, the left and right-hand member of connection arc board all articulates the survey clamp plate that is connected with the slope setting, the slope end is connected with the upper end of short deformation branch is articulated in the pressure measurement plate.
As a preferred technical scheme of the invention, a storage groove is arranged close to the outer side surface inside the pressure measuring plate, a flexible memory matrix is arranged inside the storage groove, a guide needle cap is arranged in the flexible memory matrix, pressure probes are arranged at the outer side end of the guide needle cap and are arranged on the outer surface of the pressure measuring plate in a square linear arrangement mode, and the lower end of the guide needle cap is connected with a pressure sensor through a lead.
According to a preferred technical scheme, the angle detection assembly comprises an arc-shaped sliding rail, an angle sensor and an expansion spring, the angle sensor is arranged inside the arc-shaped sliding rail close to the outer side end, the expansion spring is connected to the angle sensor, an arc-shaped sliding block is connected to the expansion spring, and the arc-shaped sliding block is tightly attached to the outer side wall of the deformation supporting rod.
As a preferred technical scheme of the invention, the shrinkage monitoring assembly comprises a compression spring, a power supply, a reciprocating telescopic member, a conductive plate and early warning lamps, wherein the power supply is arranged at the bottom end inside the deformation supporting rod, the conductive plate is arranged in shell plates at the left side and the right side of the deformation supporting rod, the early warning lamps are arranged on the conductive plate, a plurality of groups of the early warning lamps are arranged at equal intervals along the direction of the conductive plate, conductive blocks are transversely and slidably connected to the surfaces of the conductive plate at the left side and the right side respectively, elastic joints are fixed on the conductive blocks, a conductive medium is embedded between the elastic joints, and the reciprocating telescopic member drives the conductive medium to be connected with and disconnected from the elastic joints;
and the upper end surface of the conduction block is fixed with the bottom end of the sliding rod on the upper side of the deformation supporting rod, and the lower end surface of the conduction block is connected with the upper end of a compression spring arranged on the lower side in the deformation supporting rod.
As a preferred technical scheme, the sliding support comprises an adapter shaft shell, a fixed push seat, a strip-shaped sliding rail, a longitudinal sliding plate and a rotating ring, the adapter shaft shell is embedded into the center of a side plate of a concave plate frame, the left end of the fixed push seat is sleeved on the outer side of a transverse shaft barrel and clamped, the longitudinal sliding plate is fixed on the right side surface of the fixed push seat, the upper end and the lower end of the longitudinal sliding plate are connected to the strip-shaped sliding rail which is transversely arranged in a sliding mode, a transverse support plate is vertically fixed on the right side surface of the longitudinal sliding plate, a straight gear strip is arranged on the inner side surface of the transverse support plate, a ring gear wheel is arranged on the outer side of the rotating ring, and the rotating ring is sleeved on the outer side of a guide pipe and connected in a rotating mode.
As a preferred technical scheme of the invention, a sector cavity is formed in the adapter shaft shell, a strip-shaped baffle is fixed on the outer side wall of the transverse shaft cylinder corresponding to the sector cavity, and the left side surface and the right side surface of the strip-shaped baffle are connected with arc-shaped telescopic pieces.
As a preferable technical scheme of the invention, an early warning baffle is fixed at the outer side edge of the transverse moving bracket.
Compared with the prior art, the invention provides a building foundation pit deformation monitoring device, which has the following beneficial effects:
the invention can monitor the direction and the size of the internal acting force of the foundation pit through the deformation monitoring component in the monitoring device, and can accurately obtain the intensity of the acting force applied to each part of the plate surface through the structural form of the pressure measuring plate, thereby being capable of truly measuring the force applied to the plate surface by the foundation pit, providing accurate, real and safe data for reinforcing the foundation pit and other safety measures, improving the monitoring area through multilayer dislocation monitoring, leading the deformation monitoring range of the foundation pit to be wider, improving the supporting strength of the monitoring device due to the structure of the sliding bracket and the separating bracket, adopting the height difference in the structure and the change of the expansion amount, being capable of three-dimensionally drawing the measured data through the monitor, leading the stress intensity of the deformation monitoring component to be converted into a concave-convex three-dimensional drawing, and leading the monitoring data to be more concise and clear, therefore, the difficulty of observing the monitoring data is greatly reduced.
Drawings
FIG. 1 is a schematic structural diagram of a building foundation pit deformation monitoring device according to the present invention;
FIG. 2 is an enlarged view of a portion of the monitoring device of the present invention;
FIG. 3 is an enlarged view of a portion of the deformation monitoring assembly of the present invention;
FIG. 4 is an enlarged view of the deformable support structure of the present invention;
FIG. 5 is an enlarged view of a portion of the shrinkage monitoring assembly of the present invention;
FIG. 6 is an enlarged view of the sliding support of the present invention;
FIG. 7 is an enlarged view of the right view of the monitoring device of the present invention;
in the figure: 1. a monitor; 2. a steel barrel frame; 3. a partition bracket; 4. a conduit; 5. a monitoring device; 51. a concave plate frame; 52. a hydraulic press; 53. a transfer assembly; 54. an elliptical cover; 55. a laterally moving bracket; 56. an early warning baffle plate; 6. a deformation monitoring component; 7. a sliding support; 61. an elliptical plate; 62. a deformation strut; 63. measuring a pressure plate; 64. connecting the arc plates; 65. a transverse fixed cylinder; 66. a transverse sliding bar; 67. a transverse shaft cylinder; 8. an angle monitoring assembly; 9. a shrinkage monitoring component; 631. a pressure sensor; 632. a flexible memory matrix; 633. a pressure probe; 81. an arc-shaped slide rail; 82. an angle sensor; 83. a tension spring; 91. a compression spring; 92. an auxiliary strut; 93. a power source; 94. a conductive plate; 95. conducting and partitioning; 96. an elastic joint; 97. a conductive medium; 98. a reciprocating telescoping member; 99. an early warning light; 71. an adapter shaft housing; 72. fixing the pushing seat; 73. a strip-shaped slide rail; 74. a longitudinal slide; 75. a transverse support plate; 76. a rotating ring; 77. an arc-shaped telescopic member; 78. strip baffle.
Detailed Description
Referring to fig. 1, the present invention provides a technical solution: a building foundation pit deformation monitoring device comprises a monitor 1, a steel barrel frame 2, a separation support 3, guide pipes 4 and monitoring devices 5, wherein the steel barrel frame 2 is vertically embedded into a foundation pit, the separation support 3 is installed inside the steel barrel frame 2, an internal cavity of the separation support is divided into foundation pit monitoring rooms, a plurality of groups are longitudinally arranged, the monitoring devices 5 are installed inside the foundation pit monitoring rooms, the deformation of the foundation pit is measured and monitored, the guide pipes 4 are arranged on the axis inside the steel barrel frame 2, and the monitor is connected with the monitoring devices 5 through wires embedded into the guide pipes 4 to collect deformation monitoring data;
as the best embodiment, the monitoring devices on the detection chamber of the foundation pit at one layer are arranged in a bilateral symmetry mode, and are arranged in a staggered mode in the longitudinal direction around the outer side wall of the steel drum frame in a spiral mode, so that effective, real and accurate monitoring data of the internal structure of the foundation pit are improved, and the horizontal monitoring devices can be arranged according to requirements, so that the accuracy of the data is further improved.
Referring to fig. 2, in this embodiment, the monitoring device 5 includes a concave plate frame 51, a hydraulic press 52, a transmission assembly 53, an elliptical cover 55, an auxiliary supporting block 55 and a deformation monitoring assembly 6, the concave plate frame 51 and the elliptical cover 54 which are longitudinally arranged in parallel are connected through the hydraulic press 52, the auxiliary supporting block 55 is tightly attached to the right side surfaces of the upper end and the lower end of the elliptical cover 55, the deformation monitoring assembly 6 is arranged on the left side of the elliptical cover 54, the hydraulic press 52 and the transmission assembly 53 drive the deformation monitoring assembly 6 to move left and right, and a sliding support 7 is arranged in the concave plate frame 51, wherein the hydraulic press, the auxiliary supporting block and the elliptical cover are structurally configured to improve the fixing strength of the deformation monitoring assembly, and the sliding support can convert the stress applied to the steel drum frame by the deformation of the foundation pit into clear and simple transverse deformation, so as to judge the strength of the foundation pit, wherein, and monitoring and recording data of the multi-directional deformation of the foundation pit deformation through the deformation monitoring assembly, and drawing the multi-directional acting force strength in the foundation pit by using a monitor.
Referring to fig. 3 and 4, in the present embodiment, the deformation monitoring assembly 6 includes an elliptical plate 61, a deformation support rod 62, a side pressure plate 63, a connecting arc plate 64, a transverse fixing cylinder 65, a transverse sliding rod 66, a transverse shaft cylinder 67, an angle monitoring assembly 8 and a shrinkage monitoring assembly 9, the left end of the transverse shaft cylinder 67 penetrates through the axis of the elliptical plate 61 and is fixed with the elliptical plate, the left side surface of the elliptical plate 61 is also provided with a semicircular plate, the semicircular plate is provided with deformation support rods 62 which are arranged in five groups in a quarter circle array, and is arranged up and down symmetrically by taking a transverse fixed cylinder 65 arranged at the center of the semicircular plate as a center, the right end of the transverse sliding rod 66 penetrates through the transverse fixing cylinder 65 in a sliding manner and is fixed with the left end of the auxiliary rotating rod which penetrates through the transverse shaft cylinder 67 in a sliding manner, the outer side surface of the auxiliary rotating rod is provided with transverse strip-shaped convex columns which are arranged in a circumferential manner, and a transverse strip-shaped sliding groove which is matched with the transverse strip-shaped convex columns to slide is formed in the transverse shaft cylinder 67;
the deformation support rods 62 are divided into long deformation support rods and short deformation support rods which are sequentially and alternately arranged, shrinkage monitoring assemblies 9 are further arranged in the deformation support rods, angle monitoring assemblies 8 are further arranged on the left side and the right side of the deformation support rods, the long deformation support rods are hinged and connected with connecting arc plates 64, the left end and the right end of each connecting arc plate 64 are hinged and connected with obliquely arranged pressure measuring plates 63, and the inner inclined ends of the pressure measuring plates 63 are hinged and connected with the upper ends of the short deformation support rods;
as the best embodiment, under the initial action of the deformation supporting rod, the curved surface formed by hinging the pressure measuring plate tends to be in a semicircular shape, and the pressure measuring plate is extruded and transmitted to the long deformation supporting rod and the short deformation supporting rod to generate corresponding expansion and contraction quantities, so that the direction and the size of the acting force on the inner part of the foundation pit are converted.
In this embodiment, a storage groove is formed in the pressure measuring plate 63 close to the outer side face, a flexible memory matrix 632 is arranged in the storage groove, a guide needle cap is arranged in the flexible memory matrix 632, pressure probes 633 are arranged at the outer side end of the guide needle cap and are arranged on the outer surface of the pressure measuring plate 63 in a square linear arrangement mode, the lower end of the guide needle cap is connected with a pressure sensor 631 through a wire, the pressure measuring plate can measure acting force tending to the vertical direction and the pressure measuring plate, the pressure probes shrink when being squeezed, the pressure probes can monitor pressure through the pressure sensors, meanwhile, the amount of stretching of the pressure probes is recorded, a three-dimensional graph is drawn on the height difference formed by the probes, and therefore the stress intensity of the surface acting force borne by each plate face position is converted, and data support can be provided for foundation pit reinforcement.
In this embodiment, angle detection group 8 spare includes arc slide rail 81, angle sensor 82 and expanding spring 83, arc slide rail 81 is inside to be close to outside end and has stipulated angle sensor 82, be connected with expanding spring 83 on the angle sensor 82, be connected with the arc slider on the expanding spring 83, the arc slider is hugged closely with the outside wall of deformation branch 62, through the change to the flexible volume of side spring about, measures the swing angle of deformation branch, judges the shear stress intensity to the pressure cell relatively.
Referring to fig. 5, in this embodiment, the shrinkage monitoring assembly 9 includes a compression spring 91, a power supply 93, a reciprocating telescopic member 98, conductive plates 94 and warning lamps 99, the power supply 93 is disposed at the bottom end inside the deformation support rod 92, the conductive plates 94 are disposed in the left and right side shell plates of the deformation support rod 92, the warning lamps 99 are mounted on the conductive plates 94, and a plurality of groups are equidistantly disposed along the direction of the conductive plates 94, conductive blocks 95 are transversely and slidably connected to the surfaces of the conductive plates 94 on the left and right sides, elastic joints 96 are fixed on the conductive blocks 95, a conductive medium 97 is embedded between the elastic joints 96, and the reciprocating telescopic member 98 drives the conductive medium 97 to be connected to and disconnected from the elastic joints 96;
the upper end face of the conduction sub-block 95 is fixed to the bottom end of the inner sliding rod on the upper side of the deformation supporting rod 62, the lower end face of the conduction sub-block 95 is connected with the upper end of the compression spring 91 arranged on the lower side inside the deformation supporting rod 62, the conduction sub-block is driven to slide downwards through the inner sliding rod, the connection number of the early warning lamps is detected under the condition that the current conducting plate, the conduction sub-block and the conduction medium are connected, therefore, the change of the expansion amount of the deformation supporting rod is accurately monitored, safety early warning is provided, as the best embodiment, the reciprocating expansion piece drives the driving form of the conduction medium and is of an intermittent type, the circuit is connected and disconnected through setting intervals of a certain time, the power consumption is reduced, the service life is prolonged, the circuit is also relatively reduced and continuously connected, and the early warning lamps are easy to damage.
Referring to fig. 6, in this embodiment, the sliding support 7 includes an adapting shaft shell 71, a fixed push seat 72, a bar-shaped slide rail 73, a longitudinal sliding plate 74 and a rotating ring 76, the adapting shaft shell 71 is embedded into the center of the side plate of the concave plate frame 51, the left end of the fixed push seat 72 is sleeved on the outer side of the transverse shaft barrel 67 and is clamped, the right side of the fixed push seat 72 is fixed with the longitudinal sliding plate 74, the upper end and the lower end of the longitudinal sliding plate 74 are slidably connected to the bar-shaped slide rail 73 transversely arranged, the right side of the longitudinal sliding plate 74 is vertically fixed with a transverse support plate 75, a straight gear rack is arranged on the inner side of the transverse support plate 75, a ring gear is arranged on the outer side of the rotating ring 76, the rotating ring 76 is rotatably connected to the outer side of the conduit 4, and is meshed with the ring gear rack for transmission through the straight gear rack, so as to measure the number of rotation of the rotating ring and monitor the transverse deformation.
Referring to fig. 7, in this embodiment, a sector cavity is formed inside the adapter shaft housing 71, a strip-shaped baffle 78 is fixed to an outer side wall of the transverse shaft cylinder 67 corresponding to the sector cavity, and arc-shaped telescopic pieces 77 are connected to left and right side surfaces of the strip-shaped baffle 78 so as to cooperate with torsion of the monitoring device.
In this embodiment, an early warning baffle 56 is fixed to the outer side of the lateral movement bracket 55 to separate the twisting of the monitoring device, and the acting angle of the early warning baffle is 30 ° oblique to the left and right.
When concrete implementation, drill the foundation ditch, and follow pore wall successive layer drilling once more, and vertical dislocation is punched, with this foundation ditch deformation device embedding drilling, push monitoring device into the wall hole through conveyer, will survey the clamp plate and transfer to tending circular form, through the monitor, survey the pressure data in the clamp plate among the monitoring device, the flexible volume of probe is taken notes, draw out the three-dimensional picture of probe, judge the stress intensity to the different point faces of plate face, through the quantity that switches on to the monitoring subassembly early warning lamp of the volume of contracting, angle sensor's data, the angle after the slope of pressure measuring board, the position is monitored, the displacement of cooperation sliding support, thereby take notes, judge the multi-direction effort and the effect intensity of foundation ditch inside.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept within the technical scope of the present invention, and the technical solution and the inventive concept thereof should be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a building foundation pit deformation monitoring devices, its includes monitor (1), steel drum frame (2), separates support (3), pipe (4) and monitoring devices (5), its characterized in that: inside the vertical embedding foundation ditch of steel drum frame (2), separate support (3) and install inside steel drum frame (2), split into foundation ditch monitoring room with its inside cavity, be longitudinal arrangement and set up the multiunit, indoor internally mounted of foundation ditch monitoring has monitoring devices (5), measures the monitoring to foundation ditch deformation, the inside axle center of steel drum frame (2) is equipped with pipe (4), the monitor is connected with each monitoring devices (5) through the wire of embedding pipe (4) inside, carries out deformation monitoring data collection.
2. The building foundation pit deformation monitoring device of claim 1, wherein: monitoring devices (5) include concave type grillage (51), hydraulic press (52), conveying subassembly (53), oval cover (55), assist support piece spare (55) and deformation monitoring subassembly (6), vertical parallel arrangement concave type grillage (51) are connected through hydraulic press (52) with oval cover (54), oval cover (55) upper and lower extreme right flank is hugged closely and is had assistance support piece spare (55), oval cover (54) left side is equipped with deformation monitoring subassembly (6), control about hydraulic press (52), conveying subassembly (53) drive deformation monitoring subassembly (6), just be equipped with sliding support (7) in concave type grillage (51).
3. The building foundation pit deformation monitoring device of claim 2, wherein: the deformation monitoring assembly (6) comprises an elliptical plate (61), a deformation supporting rod (62), a side pressure plate (63), a connecting arc plate (64), a transverse fixing cylinder (65), a transverse sliding rod (66), a transverse shaft cylinder (67), an angle monitoring assembly (8) and a shrinkage monitoring assembly (9), wherein the left end of the transverse shaft cylinder (67) penetrates through the axis of the elliptical plate (61) and is fixed, a semicircular plate is further arranged on the left side surface of the elliptical plate (61), the deformation supporting rod (62) is arranged on the semicircular plate, five groups are arranged in a quarter circumference array mode, the transverse fixing cylinder (65) arranged in the center of the semicircular plate is used as the center and is symmetrically arranged up and down, the right end of the transverse sliding rod (66) slides through the transverse fixing cylinder (65) and the left end of an auxiliary rotating rod sliding through the transverse shaft cylinder (67) is fixed, and the outer side surface of the auxiliary rotating rod is provided with a transverse bar-shaped convex column arranged in a circumference mode, a transverse strip-shaped sliding groove matched with the transverse strip-shaped convex column to slide is formed in the transverse shaft cylinder (67);
deformation branch (62) divide into microscler branch, the short deformation branch, sets up in proper order in turn, just still be equipped with shrinkage monitoring subassembly (9) in the deformation branch, the side still is equipped with angle monitoring subassembly (8) about deformation branch, the articulated connection has connection arc board (64) on the long deformation branch, the left and right-hand member of connection arc board (64) is all articulated to be connected with survey clamp plate (63) that the slope set up, survey clamp plate (63) interior slope end and the articulated connection of short deformation branch upper end.
4. The building foundation pit deformation monitoring device of claim 3, wherein: survey clamp plate (63) inside and lean on lateral surface department to seted up the holding tank, the inside flexible memory matrix (632) that is equipped with of holding tank, the direction needle cap in flexible memory matrix (632), direction needle cap outside end is equipped with pressure probe (633), is square linear arrangement and sets up and survey clamp plate (63) surface, direction needle cap lower extreme is connected with pressure sensor (631) through the wire.
5. The building foundation pit deformation monitoring device of claim 3, wherein: angle detection group (8) spare includes arc slide rail (81), angle sensor (82) and expanding spring (83), arc slide rail (81) are inside to lean on outside end to be prescribed to have angle sensor (82), be connected with expanding spring (83) on angle sensor (82), be connected with the arc slider on expanding spring (83), the arc slider is hugged closely with deformation branch (62) outside wall mutually.
6. The building foundation pit deformation monitoring device of claim 3, wherein: the shrinkage monitoring assembly (9) comprises a compression spring (91), a power supply (93), reciprocating telescopic pieces (98), conductive plates (94) and early warning lamps (99), wherein the power supply (93) is arranged at the bottom end inside the deformation supporting rod (92), the conductive plates (94) are arranged in shell plates on the left side and the right side of the deformation supporting rod (92), the early warning lamps (99) are mounted on the conductive plates (94), a plurality of groups of the early warning lamps are arranged at equal intervals along the direction of the conductive plates (94), the surfaces of the conductive plates (94) on the left side and the right side are respectively connected with conductive blocks (95) in a transverse sliding mode, elastic joints (96) are fixed on the conductive blocks (95), conductive media (97) are embedded between the elastic joints (96), and the reciprocating telescopic pieces (98) drive the conductive media (97) to be connected with and disconnected from the elastic joints (96);
and the upper end surface of the conduction block (95) is fixed with the bottom end of the slide bar inside the upper side of the deformation supporting rod (62), and the lower end surface of the conduction block (95) is connected with the upper end of a compression spring (91) arranged on the lower side inside the deformation supporting rod (62).
7. The building foundation pit deformation monitoring device of claim 2, wherein: sliding bracket (7) are including adapter shaft shell (71), fixed seat (72), bar slide rail (73), vertical slide (74) and swivel becket (76) of pushing away, adapter shaft shell (71) embedding concave grillage (51) curb plate center department, fixed seat (72) left end cover of pushing away is in horizontal beam barrel (67) outside joint, fixed seat (72) right flank of pushing away is fixed with vertical slide (74), end sliding connection is on horizontal bar slide rail (73) that sets up about vertical slide (74), vertical slide (74) right flank is vertical to be fixed with horizontal extension board (75), just horizontal extension board (75) medial surface is equipped with straight gear strip, swivel becket (76) outside is equipped with the ring gear wheel, swivel becket (76) cover rotates the connection in pipe (4) outside.
8. The building foundation pit deformation monitoring device of claim 7, wherein: the inside fan-shaped chamber of having seted up of switching shaft shell (71), with horizontal beam barrel (67) lateral wall that the fan-shaped chamber corresponds is fixed with bar baffle (78), the side is connected with arc extensible member (77) about bar baffle (78).
9. The building foundation pit deformation monitoring device of claim 2, wherein: and an early warning baffle plate (56) is fixed on the outer side edge of the transverse moving bracket (55).
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| CN202110611002.4A CN113235677A (en) | 2021-06-01 | 2021-06-01 | Building foundation pit deformation monitoring device |
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| CN202110611002.4A CN113235677A (en) | 2021-06-01 | 2021-06-01 | Building foundation pit deformation monitoring device |
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| CN114646273A (en) * | 2022-05-23 | 2022-06-21 | 中国矿业大学 | Partial recovery type coal and rock mass pressure relief effect monitoring device and method |
| CN115262666A (en) * | 2022-08-29 | 2022-11-01 | 广东粤能工程管理有限公司 | Foundation pit engineering monitor for high-rise building |
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