CN111980003A - Automatic measuring device for deep horizontal displacement - Google Patents

Automatic measuring device for deep horizontal displacement Download PDF

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Publication number
CN111980003A
CN111980003A CN202010951840.1A CN202010951840A CN111980003A CN 111980003 A CN111980003 A CN 111980003A CN 202010951840 A CN202010951840 A CN 202010951840A CN 111980003 A CN111980003 A CN 111980003A
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CN
China
Prior art keywords
assembly
inclinometer
cable
displacement
motor
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Pending
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CN202010951840.1A
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Chinese (zh)
Inventor
孙泽信
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Individual
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Individual
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Priority to CN202010951840.1A priority Critical patent/CN111980003A/en
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D1/00Investigation of foundation soil in situ
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00Testing foundations or foundation structures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00Measuring inclination, e.g. by clinometers, by levels
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2600/00Miscellaneous
    • E02D2600/10Miscellaneous comprising sensor means

Abstract

The invention discloses an automatic measuring device for deep horizontal displacement, which comprises a protective cover, a bracket, a motor, a transmission assembly, a winding wheel, an inclination measuring cable and an inclination measuring assembly, counting assembly, the displacement direction and the distance of deep ground are surveyed to the control subassembly, produce the displacement signal, the moving direction and the distance of record deviational survey cable conductor, produce the degree of depth signal, calculate the deviational survey data, send to the server, moreover, the steam generator is simple in structure, it is convenient to install, overcome artifical monitoring data collection untimely, human error is big, the unable encryption of bad weather is observed and inefficiency scheduling problem, the work of deviational survey is carried out to simulation manual method, fixed inclinometer distribution density has been overcome not enough, the installation is complicated, change the big and with high costs high problem of the degree of difficulty, wherever can all realize looking over monitoring data and receiving the transfinite alarm information on line, automation is efficient, save a large amount of manpower and materials.

Description

Automatic measuring device for deep horizontal displacement
Technical Field
The invention belongs to the technical field of geotechnical engineering monitoring, and particularly relates to an automatic measuring technology for deep layer displacement.
Background
In the excavation process of the foundation pit, because the stratum behind the retaining wall generates shear stress increment, the soil body generates shear deformation, and the whole enclosure structure shifts towards the direction of the foundation pit, the deep horizontal displacement monitoring needs to be carried out on the soil body around the foundation pit or the enclosure structure.
The displacement of the deep soil body can be divided into horizontal displacement and vertical displacement, the deformation of the deep soil body is reflected to the ground surface, a lagging process exists, certain time is needed, the movement of the deep soil body is mastered in time, and proper construction protection measures are taken when necessary, so that the safety of underground engineering construction and the surrounding environment is protected in the bud.
And the deflection deformation of the support system comprises the deflection deformation of the enclosure in the horizontal direction and the deflection deformation of the support lever in the vertical direction, and the deflection deformation of the enclosure is measured by an inclinometer.
The inclination measurement monitoring can measure the horizontal displacement of the pile body and the soil body at different depths, judge whether the building enclosure and the surrounding soil body have instability signs in the excavation process, summarize the deformation rule of the building enclosure and the surrounding soil body, guide scientific construction and be widely applied to monitoring of deep foundation pits.
Conventional deep horizontal displacement monitoring of foundation ditch adopts portable inclinometer and fixed inclinometer: the portable inclinometer is usually used manually, monitoring personnel are required to carry the inclinometer to read data on site, manual measurement cannot be avoided, time and labor are consumed, efficiency is low, the monitoring personnel are limited by weather and time, all-weather tracking monitoring cannot be realized, continuous monitoring cannot be realized, advance alarm cannot be given, especially in severe weather and other environments, personnel cannot go to the site to acquire inclinometer monitoring data, and a foundation pit is prone to large deformation in severe weather and cannot gradually meet the monitoring requirement of modern informatization construction; the fixed inclinometer is characterized in that a plurality of inclination measuring probes are serially connected and fixed to different depths in the inclinometer according to the measured depth, data acquisition and transmission are carried out by utilizing a wireless control technology, automatic monitoring can be realized by the method, but each inclination measuring hole needs to be provided with a plurality of inclination measuring sensors to be serially connected for use, the cost is huge, the installation is complex, the replacement difficulty is large when a single inclination measuring hole is damaged, and due to the length of the fixed inclinometer, the measuring point distribution cannot meet the distribution requirement of 0.5m/1m in specification, and the fixed inclinometer cannot be popularized and used on a large scale.
In order to solve the problems that the portable inclinometer wastes time and labor, artificial errors, the measurement cannot be carried out in severe weather, the distribution density of measuring points of the fixed inclinometer is insufficient, the installation is complex, the replacement difficulty is high and the cost is high, a set of measuring device which can realize automatic acquisition, transmission and convenient installation and has lower cost is developed on the basis of the existing deep horizontal displacement monitoring technology.
Disclosure of Invention
The invention provides an automatic measuring device for deep horizontal displacement, which aims to solve the problems in the prior art and adopts the following technical scheme in order to achieve the purpose.
The device comprises: the device comprises a protective cover, a support, a motor, a transmission assembly, a winding wheel, an inclination measuring cable, an inclination measuring assembly, a counting assembly and a monitoring assembly.
The safety cover is fixed in ground, adopts anticorrosive material, and the top sets up the top cap that can open and shut, and the bottom sets up the round hole.
The support mounting is inside the safety cover, and motor, take-up pulley, count subassembly, control subassembly are installed in the support.
The transmission assembly is connected with the motor and the winding wheel, the motor rotates, and the winding wheel is driven to rotate through the transmission assembly.
The inclination measuring cable is wound on the winding wheel, one end of the inclination measuring cable penetrates through the axis of the winding wheel and is connected with the monitoring assembly, and the other end of the inclination measuring cable penetrates through the counting assembly and is connected with the inclination measuring assembly.
The inclinometry subassembly buries in the underground, connects the inclinometry cable conductor, surveys the horizontal displacement direction and the distance of deep ground, produces displacement signal, sends to the control subassembly through the inclinometry cable conductor.
The counting assembly records the moving direction and the distance of the inclinometer cable to obtain the vertical depth of the inclinometer assembly embedded underground, and a depth signal is generated and sent to the monitoring assembly.
The monitoring component receives the control instruction, turns on or off the motor, generates inclination measurement data according to the displacement signal and the depth signal, and sends the inclination measurement data to the server.
The counting assembly comprises: the scale plate and the counter are arranged on the edge of the scale plate, the groove is made of a material with a large friction coefficient, the inclination measuring cable is embedded into the groove of the scale plate to drive the scale plate to rotate, the counter is mounted on the axis of the scale plate and rotates along with the scale plate to count, the scale plate rotates for one circle, the counter counts for one time, the rotation direction is opposite, positive and negative electric signals are generated and sent to the monitoring assembly.
The monitoring assembly includes: the data acquisition unit receives the displacement signals and the counting signals, calculates different displacement values corresponding to different depth values, generates inclination measuring data, and sends the inclination measuring data to the monitoring server through the communication module, and the communication module receives a startup and shutdown instruction and controls the motor to be switched on and switched off and the rotation direction.
The inclinometer assembly comprises: the inclinometer comprises an inclinometer pipe and an inclinometer probe, wherein a round hole at the bottom of a protective cover is sleeved on the outer wall of the inclinometer pipe, a groove is formed in the inner wall of the inclinometer pipe, the inclinometer probe is connected with an inclinometer cable, a spring roller and a displacement sensor are arranged in the inclinometer pipe, the spring roller slides along the groove, the displacement sensor detects the horizontal displacement direction and distance of deep rock soil, a displacement signal is generated, and the displacement signal is sent to the inclinometer cable.
The device still includes: the sliding assembly is installed on the support, the transmission assembly is connected with the motor and the sliding assembly, the inclinometer cable penetrates through the sliding assembly, and the motor drives the sliding assembly to translate through the transmission assembly, so that the inclinometer cable is tiled and wound on the winding wheel.
The slide module includes: the locating lever, the lead screw, the worm wheel, the pulley, the pendant, the axle center of pulley is connected to the upper end of pendant, the axle center of worm wheel is connected to the lower extreme, pulley and worm wheel pass through pendant synchronous motion, the pulley edge sets up the recess, deviational survey cable conductor embedding pulley recess, the both ends of locating lever are installed in the support, pass the axle center of pulley, the lead screw is on a parallel with the locating lever, one end linking bridge, transmission assembly is connected to the other end, and worm wheel meshing, the motor passes through transmission assembly drive lead screw and rotates, make the worm wheel along the lead screw translation, drive pulley and devi.
The transmission assembly includes: the gear set or the chain set is connected with the motor, the winding wheel and the screw rod, the axial direction of the winding wheel is parallel to the screw rod, and the motor rotates to drive the gear set or the chain set to rotate the winding wheel and the screw rod.
The device still includes: the guide assembly adopts a plurality of pairs of guide wheels, the inclinometer cable penetrates through the guide wheels, and each guide wheel respectively clamps the inclinometer cable and fixes the sliding direction of the inclinometer cable.
The invention has simple structure and convenient installation, automatically collects deep horizontal displacement inclination measurement data through a remote control program, and overcomes the problems of untimely manual monitoring data collection, large human error, incapability of encrypted observation in severe weather, low efficiency and the like; the motor is controlled remotely to drive the reel to rotate, a manual method is simulated to carry out inclination measurement, and the problems of insufficient distribution density, complex installation, high replacement difficulty, high cost and the like of a fixed inclinometer are solved; data that will gather pass through wireless communication transmission to service cloud platform, and the monitoring is more timely, and monitoring data analysis is more comprehensive, and the user can all realize looking over monitoring data and receiving transfinite alarm information on line wherever possible, and is automatic efficient, saves a large amount of manpower and materials, and convenient to popularize and use can wide application in the automatic measure of various deep level displacement such as foundation ditch, side slope, dam engineering.
Drawings
Fig. 1 is a front view of the apparatus, fig. 2 is a top view of the apparatus, and fig. 3 is a side view of the apparatus.
Reference numerals; 1-protective cover, 2-winding wheel, 3-chain group, 4-screw rod, 5-positioning rod, 6-ruler dial, 7-inclination measuring cable, 8-inclination measuring probe, 9-inclination measuring tube, 10-guide wheel group, 11-motor, 12-communication module, 13-data collector and 14-worm wheel.
Detailed Description
The technical scheme of the invention is specifically explained in the following by combining the attached drawings.
The safety cover 1 adopts anticorrosive material, for example the stainless steel, selects the place that needs the monitoring deep ground horizontal displacement condition, adopts the inflation screw, is fixed in ground with safety cover 1, and the top setting of safety cover 1 can open and shut the top cap, and protection dust and rainwater conveniently open and overhaul and maintain the interior arrangement.
The bottom of safety cover sets up the round hole, do not punch the deep hole downwards in round hole department, bury deviational survey pipe 9, as shown in fig. 1, the diameter of round hole slightly is greater than the diameter of deviational survey pipe 9, the cover is at the outer wall of deviational survey pipe 9, the inner wall of deviational survey pipe 9 sets up the recess, deviational survey probe 8 sets up spring gyro wheel and displacement sensor, connect deviational survey cable line 7, arrange in deviational survey pipe 9, the spring gyro wheel slides along the recess, if the ground has taken place the displacement, displacement sensor surveys the horizontal displacement direction and the distance of deep ground, produce the displacement signal, as shown in fig. 3, send to data collection station 13 through deviational survey cable line 7.
The edge of the scale disc 6 is provided with a groove which is made of a material with a large friction coefficient, the inclination measuring cable 7 is embedded into the groove of the scale disc, as shown in figures 1, 2 and 3, the scale disc 6 is driven to rotate due to large friction force, the counter is arranged at the axis of the scale disc and rotates along with the scale disc 6, the scale disc 6 is counted, the scale disc 6 rotates for one circle, the counter is counted once, the moving direction and the distance of the inclination measuring cable are recorded, the vertical depth of the inclination measuring probe 8 positioned under the ground is obtained, a depth signal is generated, the scale discs 6 with different circumferences are replaced, the counting interval can be changed, so that the interval of the recorded depth is changed, the scale disc 6 rotates for one circle towards the inclination measuring pipe 9, the depth of the inclination measuring cable 7 falling along with the inclination measuring probe 8 in the inclination measuring pipe 9 for one circumference is indicated, if the rotating directions are opposite, the depth of one circumference is increased, positive and negative electric signals are generated, and, to the data collector 13.
The staff can long-range send the instruction, also can set up automatic monitoring instruction of sending through monitoring server, communication module 12 receives control command with wireless mode, send to data collection station 13, control 11 switches of electricity and direction of rotation, data collection station 13 receives displacement signal and count signal, calculate the different displacement values that different depth values correspond, produce the deviational survey data, send to monitoring server with wireless mode through communication module 12, no longer need artifical field operation, adapt to the topography and the weather of the unable operation of various manual works, realize all-weather remote monitoring, can also set for the threshold value, trigger the warning.
The axle center of pulley is connected to the upper end of pendant, the axle center of worm wheel is connected to the lower extreme, pulley and worm wheel pass through pendant synchronous motion, the pulley edge sets up the recess, deviational survey cable conductor embedding pulley recess, locating lever 5 passes the axle center of pulley, lead screw 4 is on a parallel with locating lever 5, one end linking bridge, chain group 3 is connected to the other end, as shown in fig. 1, lead screw 4 and worm wheel 14 meshing, as shown in fig. 3, motor 11 passes through chain group 3 and drives lead screw 4 and rotate, make worm wheel 14 along the lead screw translation, drive pulley and deviational survey cable conductor 7 along the locating lever translation, make deviational survey cable conductor 7 tiling winding in the reel, avoided deviational survey cable conductor 7 to lead to piling up because self diameter and hardness lead to damaging at reel 2 extrusion of each.
The chain group 3 is connected with the motor 11, the winding wheel 2 and the screw rod 4, as shown in figures 1 and 2, the axial direction of the winding wheel 2 is parallel to the screw rod 4, the motor 11 rotates to drive the chain group 3, the winding wheel 2 and the screw rod 4 rotate, the inclinometer cable 7 synchronously slides and translates, power is saved, manual operation is not relied on, and automatic operation is achieved.
The inclinometer cable 7 passes through the pairs of guide wheel sets 10, as shown in fig. 2, each guide wheel clamps the inclinometer cable respectively, the sliding direction of the inclinometer cable 7 is fixed, and the inclinometer cable 7 is prevented from being distorted and deformed due to the diameter and hardness of the inclinometer cable 7 and being changed in sliding direction along with the translation of the pulley.
The above-described embodiments are not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention are included in the scope of the present invention.

Claims (9)

1. An automatic measuring device for deep horizontal displacement, comprising: the device comprises a protective cover, a bracket, a motor, a transmission assembly, a winding wheel, an inclination measuring cable, an inclination measuring assembly, a counting assembly and a monitoring assembly; the protective cover is fixed on the ground, the support is arranged in the protective cover, and the motor, the winding wheel, the counting assembly and the monitoring assembly are arranged on the support; the transmission assembly is connected with the motor and the winding wheel, the motor rotates, and the winding wheel is driven to rotate through the transmission assembly; the inclination measuring cable is wound on the winding wheel, one end of the inclination measuring cable penetrates through the axis of the winding wheel and is connected with the monitoring assembly, and the other end of the inclination measuring cable penetrates through the counting assembly and is connected with the inclination measuring assembly; the inclination measurement assembly is buried underground, is connected with an inclination measurement cable, detects the horizontal displacement direction and distance of deep rock soil, generates a displacement signal and sends the displacement signal to the monitoring assembly through the inclination measurement cable; the counting assembly records the moving direction and the distance of the inclination measuring cable to obtain the vertical depth of the inclination measuring assembly buried underground, and generates a depth signal which is sent to the monitoring assembly; the monitoring component receives the control instruction, turns on or off the motor, generates inclination measurement data according to the displacement signal and the depth signal, and sends the inclination measurement data to the server.
2. The automatic deep level shift measuring device of claim 1, wherein the protective cover comprises: adopt anticorrosive material, the top sets up the top cap that can open and shut, and the bottom sets up the round hole.
3. The automatic deep level shift measuring device of claim 1, wherein the counter assembly comprises: the scale plate and the counter are arranged on the edge of the scale plate, the groove is made of a material with a large friction coefficient, the inclination measuring cable is embedded into the groove of the scale plate to drive the scale plate to rotate, the counter is mounted on the axis of the scale plate and rotates along with the scale plate to count, the scale plate rotates for one circle, the counter counts for one time, the rotation direction is opposite, positive and negative electric signals are generated and sent to the monitoring assembly.
4. The automatic deep level shift measuring device of claim 1, wherein the monitoring assembly comprises: the data acquisition unit receives the displacement signals and the counting signals, calculates different displacement values corresponding to different depth values, generates inclination measuring data, and sends the inclination measuring data to the monitoring server through the communication module, and the communication module receives a startup and shutdown instruction and controls the motor to be switched on and switched off and the rotation direction.
5. The automatic deep horizontal displacement measuring device of claim 2, wherein the inclinometer assembly comprises: the inclinometer comprises an inclinometer pipe and an inclinometer probe, wherein a round hole at the bottom of a protective cover is sleeved on the outer wall of the inclinometer pipe, a groove is formed in the inner wall of the inclinometer pipe, the inclinometer probe is connected with an inclinometer cable, a spring roller and a displacement sensor are arranged in the inclinometer pipe, the spring roller slides along the groove, the displacement sensor detects the horizontal displacement direction and distance of deep rock soil, a displacement signal is generated, and the displacement signal is sent to the inclinometer cable.
6. The automatic deep level shift measuring device according to any one of claims 1 to 5, further comprising: the sliding assembly is installed on the support, the transmission assembly is connected with the motor and the sliding assembly, the inclinometer cable penetrates through the sliding assembly, and the motor drives the sliding assembly to translate through the transmission assembly, so that the inclinometer cable is tiled and wound on the winding wheel.
7. The automatic deep horizontal displacement measuring device of claim 6, wherein the slide assembly comprises: the locating lever, the lead screw, the worm wheel, the pulley, the pendant, the axle center of pulley is connected to the upper end of pendant, the axle center of worm wheel is connected to the lower extreme, pulley and worm wheel pass through pendant synchronous motion, the pulley edge sets up the recess, deviational survey cable conductor embedding pulley recess, the both ends of locating lever are installed in the support, pass the axle center of pulley, the lead screw is on a parallel with the locating lever, one end linking bridge, transmission assembly is connected to the other end, and worm wheel meshing, the motor passes through transmission assembly drive lead screw and rotates, make the worm wheel along the lead screw translation, drive pulley and devi.
8. The automatic deep horizontal displacement measuring device of claim 7, wherein the transmission assembly comprises: the gear set or the chain set is connected with the motor, the winding wheel and the screw rod, the axial direction of the winding wheel is parallel to the screw rod, and the motor rotates to drive the gear set or the chain set to rotate the winding wheel and the screw rod.
9. The automatic deep level shift measuring device according to claim 7, further comprising: the guide assembly adopts a plurality of pairs of guide wheels, the inclinometer cable penetrates through the guide wheels, and each guide wheel respectively clamps the inclinometer cable and fixes the sliding direction of the inclinometer cable.
CN202010951840.1A 2020-09-11 2020-09-11 Automatic measuring device for deep horizontal displacement Pending CN111980003A (en)

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CN202010951840.1A CN111980003A (en) 2020-09-11 2020-09-11 Automatic measuring device for deep horizontal displacement

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Application Number Priority Date Filing Date Title
CN202010951840.1A CN111980003A (en) 2020-09-11 2020-09-11 Automatic measuring device for deep horizontal displacement

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114589713A (en) * 2022-03-30 2022-06-07 浙江城乡工程检测有限公司 Deep horizontal displacement robot
CN115200549A (en) * 2022-09-16 2022-10-18 济宁鲁威液压科技股份有限公司 Cage guide inclination measuring device
CN117419669A (en) * 2023-10-25 2024-01-19 广州开发区建设工程检测中心有限公司 Soil body deep horizontal displacement monitoring devices based on opposite side range finding

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114589713A (en) * 2022-03-30 2022-06-07 浙江城乡工程检测有限公司 Deep horizontal displacement robot
CN115200549A (en) * 2022-09-16 2022-10-18 济宁鲁威液压科技股份有限公司 Cage guide inclination measuring device
CN115200549B (en) * 2022-09-16 2022-11-22 济宁鲁威液压科技股份有限公司 Cage guide inclination measuring device
CN117419669A (en) * 2023-10-25 2024-01-19 广州开发区建设工程检测中心有限公司 Soil body deep horizontal displacement monitoring devices based on opposite side range finding

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