CN112412486B - Device and method for automatically installing and supporting advanced power supply electrode by TBM resistivity method - Google Patents
Device and method for automatically installing and supporting advanced power supply electrode by TBM resistivity method Download PDFInfo
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- CN112412486B CN112412486B CN202011191150.7A CN202011191150A CN112412486B CN 112412486 B CN112412486 B CN 112412486B CN 202011191150 A CN202011191150 A CN 202011191150A CN 112412486 B CN112412486 B CN 112412486B
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- power supply
- supply electrode
- tbm
- base
- guide rail
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/087—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
Abstract
The utility model provides a TBM resistivity method advance power supply electrode automatic installation and strutting arrangement and method, including: the device comprises a guide rail, a base, a supporting rod and a telescopic rod; the guide rail is arranged on the TBM girder, the base passes through the pulley with the guide rail and is connected, and the base can be followed the guide rail and slided, and the bracing piece is connected with the base, and the bracing piece is used for carrying out angle modulation, and the telescopic link is connected with the bracing piece, and the telescopic link can carry out the flexible adjustable of electronic flexible length, installs and supports the power supply electrode position after angle modulation and the length modulation of telescopic link through the bracing piece. After the device is installed, the resistivity method data four-way electrode can be supplied with power simultaneously, different power supply electrode systems are continuously collected, the detection efficiency is improved, the device is mechanically fixed, the use of personnel is reduced, the labor cost is reduced, and meanwhile the condition that the data quality is poor due to human errors is avoided.
Description
Technical Field
The disclosure belongs to the field of resistivity method detection, and particularly relates to an automatic mounting and supporting device and method for a TBM resistivity method advanced power supply electrode.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
In the construction process of tunnels and underground engineering such as traffic, water conservancy, municipal engineering and the like, due to the complexity and changeability of geological conditions and the limitation of the prior art, the unfavorable geology on the excavation axis cannot be completely explored by the initial exploration level. In particular, in recent years, tunnel construction is increasingly carried out by adopting the TBM, but the adaptability of the TBM to geological conditions is poor, and accidents such as blocking of the TBM and burying of the TBM are frequently caused because a reasonable construction scheme cannot be adopted when the TBM encounters unfavorable geology such as a broken zone, water inrush and mud inrush. Therefore, advanced geological prediction is carried out in construction to detect the poor geologic body in front, the geological condition in front of the tunnel face is detected in advance, and corresponding construction scheme optimization adjustment is carried out according to the detection result, so that the method has important safety and economic value.
In the current tunnel construction, the resistivity method is a common and effective advance geological prediction means, and can detect poor geologic bodies such as a water-containing structure in front of a tunnel face. The observation mode is that a measuring electrode system M and a power supply electrode A0 are arranged on the tunnel face, 4 power supply electrodes are arranged on the surrounding rock on the rear side of the measuring electrode system to form a power supply electrode system A, and a power supply B electrode and a power supply N electrode are located at the rear infinite distance of the tunnel. During detection, 4 power supply electrode systems A supply the same current, the measuring electrode M measures the potential, after the measurement of each measuring electrode in the array measuring electrode system is finished, the power supply electrode system A moves towards the back of the palm surface, the potential of the array electrode M is continuously measured until the power supply electrode system moves to a preset position, and the detection is finished, as shown in figure 1.
The power supply electrode is used as an important part of a resistivity method, in the construction of tunnels by a drilling and blasting method or an open TBM (except a carrying device), the power supply electrode needs to be closely attached to surrounding rocks in a manual mode by a specially-made electrode rod, the number of detection point positions is large, if the power supply electrode is collected singly, the detection time is prolonged, the collection efficiency is greatly reduced, a specially-assigned person is needed to fix the power supply electrode during collection, physical strength is greatly tested, the collection error is easily caused due to the physical strength problem, the data quality is seriously influenced, and the labor cost is also increased.
Disclosure of Invention
For overcoming above-mentioned prior art's not enough, this disclosure provides TBM resistivity method advance power supply electrode automatic installation and strutting arrangement, arranges power supply electrode system around TBM shield rear country rock, through the realization of its automatic installation function, solves the current situation that the manual work supported the power supply electrode, improves the quality of detection efficiency and detection data, reduces the cost of labor simultaneously.
In order to achieve the above object, one or more embodiments of the present disclosure provide the following technical solutions:
in a first aspect, the utility model discloses a TBM resistivity method advance power supply electrode automatic installation and strutting arrangement includes: the device comprises a guide rail, a base, a supporting rod and a telescopic rod;
the guide rail is arranged on the TBM girder, the base passes through the pulley with the guide rail and is connected, and the base can be followed the guide rail and slided, and the bracing piece is connected with the base, and the bracing piece is used for carrying out angle modulation, and the telescopic link is connected with the bracing piece, and the telescopic link can carry out the flexible adjustable of electronic flexible length, installs and supports the power supply electrode position after angle modulation and the length modulation of telescopic link through the bracing piece.
In a second aspect, an operation method of the automatic mounting and supporting device for the advanced power supply electrode by the TBM resistivity method is disclosed, and comprises the following steps:
mounting a guide rail on a TBM main beam and fixing;
the base is arranged on the guide rail, the detection point position is fixed, and the lower base is connected with the guide rail in a hanging pulley mode;
connecting the support rod with the base, and adjusting the angle;
connecting the telescopic rod with the supporting rod, adjusting the angle and the length, and tightly fitting the surrounding rock;
the power supply electrode point location is installed and supported after the angle adjustment of the supporting rod and the length adjustment of the telescopic rod.
The above one or more technical solutions have the following beneficial effects:
based on power supply electrode automatic installation and strutting arrangement among the TBM construction environment, the automation of telescopic link is flexible, and after the pedestal mounting was accomplished, the bracing piece was fixed, the telescopic link was automatic to be stretched out and the country rock contact, ended and withdrawed voluntarily, need not artifical manual lifter, and make full use of TBM construction environment has now the space, will be easy and simple to handle, improves detection efficiency and detection data quality, reduces the influence to TBM construction progress.
The device utilizes the existing space of the main beam behind the shield of the TBM, does not substantially change the structure of the TBM, and avoids the structural damage to the TBM.
The base and the guide rail among the device are connected, and the accessible pulley removes, and bracing piece and telescopic link can carry out angular adjustment, and the telescopic link passes through the automatic flexible of electric control, through the angular adjustment of base position and bracing piece and telescopic link, can realize arranging the flexibility of surveying the position, can effectively avoid collapsing the chamber or metal support.
After the device installation is accomplished, four devices are installed simultaneously on the same circle and are accomplished, and the power supply is simultaneously realized, and the resistivity method data four-way electrode is simultaneously supplied with power, and the continuous collection of different power supply electrode systems has improved detection efficiency, and is mechanically fixed, reduces personnel's use, has reduced the cost of labor, has avoided the relatively poor condition of data quality because of human error simultaneously.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
FIG. 1 is a schematic view of an electrode arrangement;
FIG. 2 is a schematic diagram of the position of the powered electrode assembly of the present invention.
FIG. 3 is a cross-sectional view of the same electrode system.
Fig. 4 is a structural view of a feeding electrode device.
In the figure, 1-shield, 2-power supply electrode automatic installation and support device, 21-telescopic rod, 22-support rod, 23-base, 24-pulley and 3-guide rail.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict.
In the resistivity method detection, the number and distance of the power supply electrodes are adjusted according to the detection depth. Currently, the number of electrodes used is 20 in a 5-turn electrode system, and the number of electrodes may be increased to 10 in a total of 40 in a practical adjustment. In the current portable (non-carrying type) resistivity method detection, the power supply electrode is detected in a single point mode and is measured in sequence, special personnel are needed to move the power supply electrode in the process, and the efficiency is low. Operation errors are easily caused in the moving process, the problem that data quality is poor or even data cannot be collected continuously is caused, and safety problems are easily caused when personnel move on the TBM. The technical scheme of the utility model has the advantages of this disclosure utilizes to survey during the preparation with automatic installation and strutting arrangement setting, does not delay the time in the middle of surveying, and can unify four ways electrode simultaneous acquisition data on the electrode system, switches between the electrode system, shortens the detection time greatly, has also guaranteed the improvement of data quality when improving detection efficiency.
The embodiment is that the power supply electrode system is arranged around the surrounding rock behind the TBM shield, and through the realization of its automatic installation function, the current situation of artifical support power supply electrode is solved, improves the quality of detection efficiency and detection data, reduces the cost of labor simultaneously.
In an embodiment, TBM resistivity method advance power supply electrode automatic installation and strutting arrangement, including guide rail, base, bracing piece and telescopic link, the guide rail is arranged on the TBM girder, and the base passes through the pulley with the guide rail and is connected, and the base can be followed the guide rail and slided, and the pulley has arresting gear, and the bracing piece is connected with the base, and the bracing piece can carry out angle modulation, and the telescopic link is connected with the bracing piece, and the telescopic link can carry out electronic flexible, optimizes power supply electrode point location through the angle modulation of bracing piece and the length modulation of telescopic link.
The guide rails are arranged on a TBM main beam, two guide rails are symmetrically distributed on the left and right of the upper portion of the main beam, two hanging rails are symmetrically distributed on the left and right of the lower portion of the main beam, the two guide rails on the lower portion are installed in a reversed mode, and hanging pulleys can be installed on the guide rails on the lower portion.
The base is connected with the guide rail through the pulley, the base can move on the guide rail through the pulley, and the pulley is provided with a braking device and can be fixed at a required position, namely the position of the power supply electrode.
The bracing piece is connected with the base, and the bracing piece can carry out angular adjustment, fixes through fastening bolt.
The supporting rod can be adjusted in angle on the base and adjusted left and right along the direction of the guide rail.
The telescopic link is connected with the bracing piece, can carry out angle adjustment from top to bottom, and is fixed through fastening bolt, angle adjustment from top to bottom is passed through the electric control length adjustment to the telescopic link.
As shown in FIG. 2, the device for automatically installing and supporting the advanced power supply electrode by the TBM resistivity method comprises an expansion link 21, a support rod 22, a base 23, a pulley 24 and a guide rail 3. The guide rail 3 is installed in the TBM girder, totally four, this example is for every 5 power supply electrodes with the guide rail, also can increase and decrease or reach the purpose of many rings of surveys through the mode that removes power supply electrode through actual conditions. The lower part of the telescopic rod 21 can be automatically stretched and contracted through electric control, is connected with the supporting rod and can be adjusted up and down by angle around the contact point. The upper part of the supporting rod 22 is connected with the telescopic rod, the lower part is connected with the base, and angle adjustment is carried out around the joint. The base 23 is mounted to the guide rail 3 via a pulley 24, and is movable by the pulley 24 for position adjustment. Through base position adjustment, the angular adjustment of telescopic link and bracing piece to and the length adjustment of telescopic link, can prefer the power supply electrode point position, and after the installation is fixed, carry out the continuous acquisition of data, do not need the manual work. In the embodiment, the detection point position is not necessarily complete in surrounding rock, so that the method is suitable for installation of the detection electrode, the point position can be properly adjusted, the point position is optimized, and data acquisition is performed after the installation.
As shown in fig. 3, the cross section is detected, 4 electrodes in the same circle form an electrode system, and 4 electrodes in the same electrode system can be powered and collected simultaneously, so that the data collection efficiency is improved. After the same circle of 4 devices is installed, power can be supplied simultaneously.
As shown in fig. 4, the overall structure of the device is that the telescopic rod 21 and the support rod 22 can rotate around the joint for angle adjustment, the telescopic rod 21 can be electrically extended and retracted, the base 23 can move on the guide rail 3 through the pulley 24, and the pulley 24 is provided with a braking device and can be fixed.
In the embodiment, the guide rails 3 are installed on the left and right sides of a main beam of the TBM, the base 23 is connected with the guide rails through the pulleys 24 and moves through the pulleys 24, the lower part of the support rod 22 is installed on the base 23 and can be adjusted in angle through the joint, the upper part of the support rod 22 is connected with the telescopic rod 21, and the telescopic rod 21 can be adjusted in angle through the joint and can be automatically controlled to automatically extend and retract through electric control. Through base 23 position adjustment fixed, telescopic link 21 and bracing piece 22 angle are adjusted, and telescopic link 21 electric control stretches out and closely laminates with the country rock. The purpose of threaded connection makes to lay convenient and fast, and above-mentioned part can be dismantled. Specifically, because the tunnel cross-section is circular, general angular adjustment is perpendicular with the country rock, if the country rock is relatively poor, fine setting from top to bottom for the telescopic link can with the effective contact of country rock.
In another embodiment, the device is simple to operate in practical application, and the specific steps are as follows:
step 1: and (4) mounting the four guide rails on a main beam of the TBM and fixing the four guide rails.
Step 2: the base is mounted on the guide rail and fixed at the detection point. The lower base is connected with the guide rail in a hanging pulley mode.
And step 3: the supporting rod is connected with the base, and the angle is adjusted.
And 4, step 4: the telescopic rod is connected with the supporting rod, and the angle and the length of the telescopic rod are adjusted to be tightly attached to the surrounding rock.
According to the invention, the guide rail is arranged on the main beam of the TBM, the support rod and the telescopic rod are used for adjustment, and the power supply electrode is tightly attached to the surrounding rock by using the reaction force provided by the guide rail and the support rod, so that the aim of carrying out resistivity method advanced detection without fixing the electrode by people is fulfilled, and the detection data quality is improved and the data quality reduction caused by artificial electrode fixing errors is reduced by simultaneously collecting four power supply electrodes on the same section. The rod piece can be folded at one position through angle adjustment, the occupied space is reduced, the rod piece is fixed on the TBM, the next detection preparation time is shortened, meanwhile, if the construction environment is poor, the rod pieces can be connected and disassembled, the instrument is convenient to protect, and the application value is high.
Referring to fig. 1, this time, the mounted feeding electrode is not referred to, and in fig. 1, the feeding electrode assumes 5 turns and 20 electrodes in total. No. 1-4A 1 electrode series, 5-8, 9-12, 13-16, 17-20 are A2, A3, A4, A5 electrode series, respectively. When all 20 electrodes are installed, the A1 four-way electrodes are collected simultaneously, when the A1 is finished, the software automatically switches to A2, and so on.
Time saving intermediates now: the existing single 1 point supplies power to collect data, and the technical scheme of the present disclosure is that 4 electrodes collect data simultaneously; the existing single-point acquisition needs a special person to move an electrode to the next point, and software personnel reset parameters and measure one by one; after the device is installed, the power supply electrode does not need to be moved, and the software does not need to reset parameters.
According to the technical scheme, after parameters are set once, the power supply electrodes 1-20 are set, four paths of power supply are simultaneously carried out during acquisition, and automatic switching of different electrode systems can be realized. And the time for collecting and storing the files is saved.
The technical scheme of this disclosure has solved among the prior art single point detection or increase personnel of can only carry out four ways simultaneous acquisition of TBM shield rear country rock, causes detection efficiency not high, and the human cost increases the scheduling problem, and when by the fixed power supply electrode of personnel, falls and the safety problem that brings in TBM work interval for a long time because of the data quality that personnel's error caused, has the advantage that improves detection efficiency and use manpower sparingly cost.
This disclosed technical scheme passes through the position and the angular adjustment of base, bracing piece and telescopic link, can optimize the power supply electrode electric potential, and after the power supply electrode was fixed well simultaneously, the data acquisition can be carried out simultaneously to four ways of electrodes on the same cross-section, need not personnel between the different cross-sections remove the electrode, has improved detection efficiency greatly, and the reduction personnel use has reduced the human cost.
The above description is only a preferred embodiment of the present disclosure and is not intended to limit the present disclosure, and various modifications and changes may be made to the present disclosure by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present disclosure should be included in the protection scope of the present disclosure.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (9)
1. An operation method of an automatic mounting and supporting device for a TBM resistivity method advanced power supply electrode comprises the following steps: the device comprises a guide rail, a base, a supporting rod and a telescopic rod;
the power supply electrode point location support device comprises a base, a support rod, a guide rail, a support rod, a telescopic rod, a pulley, a power supply electrode point location and a power supply electrode point location, wherein the guide rail is arranged on a TBM main beam, the base is connected with the guide rail through the pulley, the base can slide along the guide rail, the support rod is connected with the base, the support rod is used for carrying out angle adjustment, the telescopic rod is connected with the support rod, the telescopic rod can carry out electric telescopic length telescopic adjustment, and the power supply electrode point location is installed and supported after the angle adjustment of the support rod and the length adjustment of the telescopic rod are carried out;
the operation method is characterized by comprising the following steps:
mounting a guide rail on a TBM main beam and fixing;
the base is arranged on the guide rail, the detection point position is fixed, and the lower base is connected with the guide rail in a hanging pulley mode;
connecting the support rod with the base, and adjusting the angle;
connecting the telescopic rod with the supporting rod, adjusting the angle and the length, and tightly fitting the surrounding rock;
the power supply electrode point location is installed and supported after the angle adjustment of the supporting rod and the length adjustment of the telescopic rod.
2. The operation method of the TBM resistivity method advanced power supply electrode automatic installation and support device as claimed in claim 1, wherein two guide rails are symmetrically distributed on the left and right of the upper part of the main beam, two hanging rails are symmetrically distributed on the left and right of the lower part of the main beam, the two guide rails on the lower part are installed in an inverted manner, and hanging pulleys can be installed on the guide rails on the lower part.
3. The method of claim 1, wherein the base is moved on the rails by pulleys having braking means, and the position of the power supply electrode is fixed at a desired position.
4. The method for operating the automatic mounting and supporting device for the TBM resistivity method advanced power supply electrode as claimed in claim 1, wherein the supporting rod is connected with the base and fixed by a fastening bolt.
5. The operation method of the TBM resistivity method advanced power supply electrode automatic installation and support device as claimed in claim 1, wherein the telescopic rod is connected with the support rod, can be adjusted in vertical angle and is fixed through a fastening bolt.
6. The operation method of the TBM resistivity method advanced power supply electrode automatic installation and support device as claimed in claim 1, wherein the lower part of the telescopic rod can be automatically extended and retracted through electric control.
7. The method for operating the automatic mounting and supporting device for the TBM resistivity method advanced power supply electrode as claimed in claim 1, wherein the supporting rod and the telescopic rod are adjusted to tightly attach the power supply electrode to the surrounding rock by using the reaction force provided by the supporting rod and the telescopic rod.
8. The method for operating the automatic mounting and supporting device for the TBM resistivity method advanced power supply electrode as claimed in claim 1, wherein the guide rail is four, and 4 electrodes are collected simultaneously.
9. A TBM system, characterized in that the TBM resistivity method advanced power supply electrode automatic mounting and supporting apparatus is operated by using the operation method of the TBM resistivity method advanced power supply electrode automatic mounting and supporting apparatus according to any one of claims 1 to 8.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011077856 | 2020-10-10 | ||
| CN2020110778560 | 2020-10-10 |
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| CN112412486A CN112412486A (en) | 2021-02-26 |
| CN112412486B true CN112412486B (en) | 2022-04-12 |
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| CN104678427B (en) * | 2015-03-11 | 2016-01-13 | 山东大学 | Rock tunnel(ling) machine breaks rock focus 3-D seismics forward probe device and method |
| CN106768736B (en) * | 2016-11-24 | 2018-07-17 | 中国科学技术大学 | A kind of subway tunnel monitoring of leakage and method for early warning |
| CN108594310B (en) * | 2018-06-13 | 2023-08-08 | 中国电子科技集团公司第二十二研究所 | Geological forecast equipment |
| CN108802808B (en) * | 2018-06-19 | 2019-04-26 | 山东大学 | Seismic wave advanced prediction loading device and method for double shield rock rippers |
| CN110989000B (en) * | 2019-12-20 | 2020-11-06 | 山东大学 | Multi-electrode focusing TBM advanced detection system and method based on anchor rod drilling |
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