CN114753418B

CN114753418B - Deep foundation pit engineering settlement inclination measuring and monitoring device in civil engineering

Info

Publication number: CN114753418B
Application number: CN202210416207.1A
Authority: CN
Inventors: 唐守林; 李瑞东; 张涛
Original assignee: China Railway Construction Engineering Group Co Ltd; China Railway Construction Engineering Group Shandong Co Ltd
Current assignee: China Railway Construction Engineering Group Co Ltd; China Railway Construction Engineering Group Shandong Co Ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2023-03-03
Anticipated expiration: 2042-04-20
Also published as: CN114753418A

Abstract

The invention discloses a settlement and inclination measurement monitoring device for deep foundation pit engineering in civil construction, which comprises a supporting seat, wherein the upper end of the supporting seat is rotatably connected with a U-shaped plate, the upper end of the U-shaped plate is fixedly connected with a fixed plate, the side wall of the fixed plate is provided with a through groove, a testing mechanism is arranged in the through groove, the upper end of the fixed plate is provided with a strip-shaped cavity, a displacement sensor is arranged in the strip-shaped cavity, and the displacement sensor is coupled and connected with an external control system. When the fixing plate is inclined, the counterweight balls can be synchronously inclined to deform the air bags, so that the first plate is driven to slide on the inner wall of the strip-shaped cavity, the displacement sensor can measure the displacement data of the test plate at the moment, and the settlement inclination of the deep foundation pit engineering can be measured and detected according to the inclination direction of the fixing plate, so that technicians can analyze the settlement inclination of the deep foundation pit engineering without manually measuring the settlement inclination of the deep foundation pit engineering, and the labor intensity is reduced.

Description

Deep foundation pit engineering settlement and inclination measurement monitoring device in civil construction

Technical Field

The invention relates to the technical field of deep foundation pit engineering, in particular to a settlement and inclination measurement and monitoring device for deep foundation pit engineering in civil engineering.

Background

In civil engineering, the deep foundation pit engineering refers to an engineering with excavation depth exceeding 5m or more than three layers of basements, or depth not exceeding 5m, but with extremely complex geological conditions, surrounding environments and underground pipelines.

The existing device for measuring and monitoring the settlement and inclination of the deep foundation pit engineering is mainly characterized in that technicians carry out field manual measurement through a level meter, but the measurement mode needs to manually calculate a large amount of data, and meanwhile, the technicians need to go deep into the deep foundation pit engineering for operation, so that the labor intensity is high, certain dangerousness is realized, and in addition, the existing measurement mode does not have the function of carrying out real-time measurement on the settlement and inclination condition in the deep foundation pit engineering, and the settlement and inclination condition in the deep foundation pit engineering cannot be known at the first time.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a settlement and inclination measurement monitoring device for a deep foundation pit engineering in civil engineering.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a deep basal pit engineering settlement slope measurement monitoring devices in civil engineering, includes the supporting seat, the supporting seat upper end is rotated and is connected with the U template, U template upper end fixedly connected with fixed plate, logical groove has been seted up to the fixed plate lateral wall, it is equipped with accredited testing organization to lead to the inslot, the bar chamber has been seted up to the fixed plate upper end, displacement sensor is installed to the bar intracavity, displacement sensor and external control system coupling are connected, the sealed sliding connection of bar chamber inner wall has first board, displacement sensor's lateral wall is kept away from to first board passes through first spring and bar intracavity wall elastic connection, the inner wall that first spring was kept away from to the bar chamber rotates through the pivot and is connected with the actuating lever, bar chamber bottom sliding connection has survey the board, the actuating lever lateral wall rotates through first pole and is connected with surveying board upper end, the lateral wall that first pole was kept away from to the actuating lever rotates through second pole and is connected with first board lateral wall, the fixed plate lateral wall is seted up flutedly, be equipped with in the recess and drive the gliding sliding mechanism of first board.

Preferably, slide mechanism includes a plurality of second boards of fixed connection at groove inner wall, and is a plurality of the second board is with equal divide into a plurality of control chambers in the recess, control chamber top fixedly connected with second spring, second spring lower extreme fixedly connected with counter weight ball, the control chamber inner wall fixedly connected with gasbag, the lateral wall and the counter weight ball lateral wall fixed connection of control chamber are kept away from to the gasbag, the gasbag inner wall communicates with the inner wall that the bar chamber is close to first spring through the connecting pipe.

Preferably, the test mechanism includes two pinion racks that sliding connection leads to the inslot wall, two lateral wall that the pinion rack kept away from each other is fixedly connected with a connecting plate respectively, the connecting plate lower extreme rotates and is connected with self-interacting formula telescopic link, self-interacting formula telescopic link lower extreme rotates and is connected with the third pole, third pole lower extreme is equipped with balance mechanism.

Preferably, the balance mechanism includes the fixed block, the spout has been seted up to the fixed block lateral wall, spout inner wall sliding connection has the permanent magnetism board, third pole lower extreme run through the fixed block upper end and with permanent magnetism board upper end fixed connection, the spout bottom inlays and is equipped with the electromagnetic plate that repels with the permanent magnetism board, electromagnetic plate, displacement sensor and external control system series connection.

Preferably, the interior of the through groove is provided with a driving mechanism, the driving mechanism comprises a vertical rod which is rotatably connected to the bottom of the through groove, the side wall of the vertical rod is fixedly connected with a gear, the side wall of the gear is respectively meshed with the side walls of the two toothed plates, the lower end of the vertical rod penetrates through the lower end of the fixed plate and is fixedly connected with a hand wheel, the side wall of the vertical rod below the fixed plate is provided with threads, and the side wall of the threads is connected with a nut.

Preferably, the first plate is a light plate, the rotating shaft is arranged in the direction away from the first plate, and the displacement sensor is opposite to the test plate.

Compared with the prior art, the invention has the advantages that:

1: through setting up displacement sensor, survey the board, first board and slide mechanism, when the fixed plate slopes, a plurality of counter weight balls can slope in step this moment and make a plurality of gasbags deformation, and then drive first board and slide at bar intracavity wall, displacement sensor can measure with regard to the displacement data who surveys the board this moment, can measure and detect the slope of subsiding of deep basal pit engineering according to the incline direction of fixed plate, make the technical staff can subside the slope volume to deep basal pit engineering and carry out the analysis, need not the manual operation to it and measure, and the labor intensity is reduced.

2: through setting up accredited testing organization and balance mechanism, make displacement sensor transmit data back at the fixed plate slope, external control system can supply power on the electromagnetic plate that lies in the slope side this moment, and then the electromagnetic plate can be gone up the magnetism and repel each other to the permanent magnetic plate, make the permanent magnetic plate move up to keep on same water flat line with the fixed block bottom that lies in the not slope side, make the fixed plate guarantee horizontality once more, thereby be convenient for when deep basal pit engineering takes place to subside the slope once more, this moment this device can measure it the very first time, it is high-efficient convenient.

3: through setting up actuating mechanism, gear revolve can drive two pinion racks and be close to each other or keep away from each other for this device can use in the pit engineering of equidimension scope not, and the practicality is stronger.

Drawings

FIG. 1 is a schematic structural view of a settlement inclination measurement monitoring device for deep foundation pit engineering in civil engineering provided by the invention;

FIG. 2 is a schematic top view of a through groove in the device for measuring and monitoring settlement and inclination of deep foundation pit engineering in civil construction according to the present invention;

FIG. 3 is an enlarged schematic view of a structure at the position A in the deep foundation pit engineering settlement inclination measurement monitoring device in civil construction provided by the invention;

fig. 4 is an enlarged schematic view of a structure at a position B in the deep foundation pit engineering settlement inclination measurement monitoring device in civil engineering provided by the invention.

In the figure: the device comprises a supporting seat 1, a U-shaped plate 2, a fixing plate 3, a through groove 4, a toothed plate 5, a connecting plate 6, a self-adjusting telescopic rod 7, a third rod 8, a fixing block 9, a sliding groove 10, a permanent magnetic plate 11, an electromagnetic plate 12, a strip-shaped cavity 13, a displacement sensor 14, a first plate 15, a first spring 16, a rotating shaft 17, a driving rod 18, a testing plate 19, a first rod 20, a second rod 21, a groove 22, a second plate 23, an adjusting chamber 24, a second spring 25, a counterweight ball 26, an airbag 27, a connecting pipe 28, a gear 29, threads 30 and nuts 31.

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. 1-4, a deep foundation pit engineering settlement inclination measurement monitoring device in civil engineering, including supporting seat 1, the upper end of supporting seat 1 rotates and is connected with U template 2, U template 2 upper end fixedly connected with fixed plate 3, logical groove 4 has been seted up to fixed plate 3 lateral wall, be equipped with accredited testing organization in the logical groove 4, bar chamber 13 has been seted up to fixed plate 3 upper end, install displacement sensor 14 in the bar chamber 13, displacement sensor 14 is connected with external control system coupling, bar chamber 13 inner wall sealing sliding connection has first board 15, the lateral wall that displacement sensor 14 was kept away from to first board 15 is through first spring 16 and bar chamber 13 inner wall elastic connection, the inner wall that first spring 16 was kept away from to bar chamber 13 rotates and is connected with actuating lever 18 through pivot 17, bar chamber 13 bottom sliding connection has survey test panel 19, displacement sensor 14 is just right to survey test panel 19, actuating lever 18 lateral wall rotates through first pole 20 and survey test panel 19 upper end and is connected, the lateral wall that actuating lever 18 is far away from first pole 20 rotates and is connected with first board 15 lateral wall through second pole 21, fixed plate 3 lateral wall has seted up recess 22.

Further, pivot 17 is located the direction setting of keeping away from first board 15, as shown in fig. 4, when first board 15 displacement is less, actuating lever 18 is great by the turned angle of left end this moment, thereby it can drive survey test panel 19 and remove great distance to lead to first pole 20, displacement sensor 14 can carry the displacement measurement of surveying test panel 19 removal to external control system this moment, make the technical staff can analyze deep basal pit engineering settlement slope volume, need not the manual operation to it and measure, and labor intensity is reduced.

It should be noted that, in the present invention, when the fixed plate 3 is tilted to the right, the output of the movement displacement data of the displacement sensor 14 to the test plate 19 is displayed as a positive number, and when the fixed plate 3 is tilted to the left, the output of the movement displacement data of the displacement sensor 14 to the test plate 19 is displayed as a negative number.

Be equipped with in the recess 22 and drive the gliding slide mechanism of first board 15, slide mechanism includes a plurality of second boards 23 of fixed connection at the recess 22 inner wall, a plurality of second boards 23 equally divide into a plurality of regulating chambers 24 in with

recess

22, 24 top fixedly connected with second spring 25 of regulating chamber, second spring 25 lower extreme fixedly connected with

counterweight ball

26, 24 inner wall fixedly connected with gasbags 27 of regulating chamber, the lateral wall and the 26 lateral wall fixed connection of counterweight ball of regulating chamber 24 are kept away from to gasbags 27, the inner wall intercommunication that the gasbag 27 inner wall is close to first spring 16 through connecting pipe 28 and bar chamber 13.

It should be noted that the first plate 15 is a light plate, that is, the gravity of the first plate 15 can be ignored, so that when the fixing plate 3 tilts, the gravity generated by the tilting of the first plate 15 can be ignored, and the top of the bar-shaped cavity 13 far away from the first spring 16 is provided with an opening, so as to balance the pressure change in the bar-shaped cavity 13 when the first plate 15 slides.

Further, when fixed plate 3 inclines to the right, a plurality of counterweight balls 26 can incline to the right in step this moment, and then extrude a plurality of gasbags 27, make gas in a plurality of gasbags 27 can get into bar-shaped cavity 13 through connecting pipe 28, make pressure in bar-shaped cavity 13 great, thereby promote first board 15 to slide, and then displacement sensor 14 can measure the displacement data of surveying board 19 this moment, when fixed plate 3 inclines to the left, a plurality of counterweight balls 26 can incline to the left in step this moment, and then stretch a plurality of gasbags 27, make a plurality of gasbags 27 can breathe in from bar-shaped cavity 13, make bar-shaped cavity 13 internal pressure reduce, thereby pull first board 15 to slide, and then displacement sensor 14 can survey the displacement data of surveying board 19 this moment, and then can survey the settlement slope of deep basal pit engineering according to the incline direction of fixed plate 3 and measure and detect.

It is worth mentioning that, when the fixed plate 3 inclines at different angles, the extrusion force or the tensile force of the counterweight ball 26 to the air bag 27 is different, so that the sliding displacement of the first plate 15 is different, and the displacement sensor 14 measures the displacement data of the test plate 19 differently, so that the settlement inclination of the deep foundation pit engineering can be known clearly.

The testing mechanism comprises two toothed plates 5 which are connected to the inner wall of the through groove 4 in a sliding mode, the side walls, far away from each other, of the two toothed plates 5 are fixedly connected with a connecting plate 6 respectively, the lower end of the connecting plate 6 is rotatably connected with a self-adjusting telescopic rod 7, the lower end of the self-adjusting telescopic rod 7 is rotatably connected with a third rod 8, and the lower end of the third rod 8 is provided with a balance mechanism.

The balance mechanism comprises a fixing block 9, a sliding groove 10 is formed in the side wall of the fixing block 9, a permanent magnetic plate 11 is connected to the inner wall of the sliding groove 10 in a sliding mode, the lower end of the third rod 8 penetrates through the upper end of the fixing block 9 and is fixedly connected with the upper end of the permanent magnetic plate 11, an electromagnetic plate 12 which is repellent to the permanent magnetic plate 11 is embedded into the bottom of the sliding groove 10, and the electromagnetic plate 12 and the displacement sensor 14 are connected with an external control system in series.

It should be noted that, after the displacement sensor 14 transmits data, the external control system may energize the electromagnetic plate 12 at the inclined position correspondingly according to the positive and negative of the data transmitted by the displacement sensor 14, and maintain the energized state all the time, which is the prior art.

Further, in an initial state, the lower ends of the two fixing blocks 9 are located on the same horizontal line, the fixing plate 3 is kept in a horizontal state, when one side of the deep foundation pit engineering inclines, the fixing block 9 located on the side can move downwards, the fixing plate 3 can be driven to rotate to an inclined state, the settlement inclination of the deep foundation pit engineering can be automatically measured and detected, technicians do not need to go deep into the deep foundation pit engineering to measure, and the settlement inclination condition of the deep foundation pit engineering can be measured in time;

use fixed plate 3 slope right as an example, slope right at fixed plate 3 makes displacement sensor 14 transmit data after, external control system can supply power on the electromagnetic plate 12 that is located the right side this moment, and then electromagnetic plate 12 can go up the magnetism and repel each other permanent magnetic plate 11, make permanent magnetic plate 11 move up to and be located left fixed block 9 bottom and keep on same water flat line, make fixed plate 3 guarantee horizontality once more, thereby be convenient for when deep basal pit engineering takes place to subside the slope once more, this moment this device can measure it the very first time, it is high-efficient convenient.

Be equipped with actuating mechanism in leading to groove 4, actuating mechanism connects the montant in leading to groove 4 bottom including rotating, montant lateral wall fixedly connected with gear 29, and gear 29 lateral wall is connected with the meshing of two pinion rack 5 lateral walls respectively, and the montant lower extreme runs through 3 lower extremes of fixed plate and fixedly connected with hand wheel, and the montant is located the lateral wall of fixed plate 3 below and has seted up screw thread 30, and the screw thread 30 lateral wall is connected with nut 31.

Further, gear 29 rotates and can drive two pinion racks 5 and be close to each other or keep away from each other for this device can use in the pit engineering of equidimension scope not, and the practicality is stronger.

In the invention, the hand wheel is rotated, and then the vertical rod drives the gear 29 to rotate, so that the gear 29 drives the two toothed plates 5 to slide, further the distance between the two fixed blocks 9 can be adjusted according to the measurement size in the pit engineering, and then the nut 31 is rotated, so that the upper end of the nut 31 is tightly attached to the lower end of the fixed plate 3, and further the positions of the two fixed blocks 9 are fixed;

when the two fixing blocks 9 are initially placed, the bottoms of the two fixing blocks 9 and the bottom of the supporting seat 1 are on the same horizontal line, at this time, the fixing plate 3 is kept in a horizontal state, when the ground of a pit project is settled rightwards, at this time, the fixing block 9 on the right side moves downwards, further, the third rod 8 on the right side drives the fixing plate 3 to tilt rightwards and rotate downwards through the self-adjusting telescopic rod 7, at this time, the counterweight balls 26 in the adjusting chambers 24 tilt rightwards simultaneously, further, the air bags 27 are extruded, so that air in the air bags 27 enters the strip-shaped cavity 13 through the connecting pipe 28, the pressure in the strip-shaped cavity 13 is large, the first plate 15 is pushed to slide, the first plate 15 drives the driving rod 18 to rotate downwards through the second rod 21, further, the driving rod 18 drives the testing plate 19 to slide towards the direction close to the first plate 15 through the first rod 20, and at this time, the displacement sensor 14 can transmit the moving displacement data of the testing plate 19 to an external control system, so that technicians can check and analyze the data;

after the fixed plate 3 inclines rightwards to enable the displacement sensor 14 to transmit data, an external control system can supply power to the electromagnetic plate 12 on the right side at the moment, and then the electromagnetic plate 12 can generate magnetism to repel the permanent magnetic plate 11, so that the permanent magnetic plate 11 moves upwards to be kept on the same horizontal line with the bottom of the fixed block 9 on the left side, and the fixed plate 3 can guarantee the horizontal state again, so that when the deep foundation pit engineering is settled and inclined again, the device can measure the data at the first time, and is efficient and convenient;

the above description is performed when the pit engineering ground subsides rightwards, and the working principle when the pit engineering ground subsides leftwards is the same as that described above.

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 should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a deep foundation ditch engineering settlement inclination measurement monitoring devices in civil engineering, includes supporting seat (1), its characterized in that, supporting seat (1) upper end rotates and is connected with U template (2), U template (2) upper end fixedly connected with fixed plate (3), logical groove (4) have been seted up to fixed plate (3) lateral wall, be equipped with accredited testing organization in logical groove (4), bar chamber (13) have been seted up to fixed plate (3) upper end, install displacement sensor (14) in bar chamber (13), displacement sensor (14) are connected with external control system coupling, bar chamber (13) inner wall sealing sliding connection has first board (15), the lateral wall that displacement sensor (14) were kept away from to first board (15) passes through first spring (16) and bar chamber (13) inner wall elastic connection, the inner wall that first spring (16) were kept away from to bar chamber (13) rotates through pivot (17) and is connected with actuating lever (18), bar chamber (13) bottom sliding connection has actuating lever (19), survey test board (18) lateral wall passes through first pole (20) and test board (19) upper end rotation connection, the lateral wall of second pole (22) is kept away from to actuating lever (15) lateral wall, drive lever (21) is connected with fixed plate (3), a sliding mechanism for driving the first plate (15) to slide is arranged in the groove (22);

the sliding mechanism comprises a plurality of second plates (23) fixedly connected to the inner wall of a groove (22), the groove (22) is divided into a plurality of adjusting chambers (24) by the plurality of second plates (23), the top of each adjusting chamber (24) is fixedly connected with a second spring (25), the lower end of each second spring (25) is fixedly connected with a counterweight ball (26), the inner wall of each adjusting chamber (24) is fixedly connected with an air bag (27), the side wall, far away from the adjusting chamber (24), of each air bag (27) is fixedly connected with the side wall of each counterweight ball (26), and the inner wall of each air bag (27) is communicated with the inner wall, close to the first spring (16), of the strip-shaped cavity (13) through a connecting pipe (28);

the testing mechanism comprises two toothed plates (5) which are connected to the inner wall of the through groove (4) in a sliding manner, the side walls, far away from each other, of the two toothed plates (5) are fixedly connected with a connecting plate (6) respectively, the lower end of the connecting plate (6) is rotatably connected with a self-adjusting telescopic rod (7), the lower end of the self-adjusting telescopic rod (7) is rotatably connected with a third rod (8), and the lower end of the third rod (8) is provided with a balancing mechanism;

a driving mechanism is arranged in the through groove (4), the driving mechanism comprises a vertical rod which is rotatably connected to the bottom of the through groove (4), the side wall of the vertical rod is fixedly connected with a gear (29), and the side wall of the gear (29) is respectively meshed with the side walls of the two toothed plates (5);

the first plate (15) is a light plate, the rotating shaft (17) is arranged in the direction far away from the first plate (15), and the displacement sensor (14) is opposite to the test plate (19).

2. The settlement and inclination measurement and monitoring device for deep foundation pit engineering in civil construction according to claim 1, wherein the balance mechanism comprises a fixing block (9), a sliding groove (10) is formed in the side wall of the fixing block (9), a permanent magnetic plate (11) is slidably connected to the inner wall of the sliding groove (10), the lower end of the third rod (8) penetrates through the upper end of the fixing block (9) and is fixedly connected with the upper end of the permanent magnetic plate (11), an electromagnetic plate (12) which is repellent to the permanent magnetic plate (11) is embedded in the bottom of the sliding groove (10), and the electromagnetic plate (12) and the displacement sensor (14) are connected with an external control system in series.

3. The device for measuring and monitoring settlement and inclination of deep foundation pit engineering in civil construction as claimed in claim 2, wherein the lower end of the vertical rod penetrates through the lower end of the fixing plate (3) and is fixedly connected with a hand wheel, the side wall of the vertical rod below the fixing plate (3) is provided with a thread (30), and the side wall of the thread (30) is connected with a nut (31).