CN204287502U - Can be used for TBM dynamic self-adapting solid nonpolarizing electrode - Google Patents
Can be used for TBM dynamic self-adapting solid nonpolarizing electrode Download PDFInfo
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- CN204287502U CN204287502U CN201420723682.4U CN201420723682U CN204287502U CN 204287502 U CN204287502 U CN 204287502U CN 201420723682 U CN201420723682 U CN 201420723682U CN 204287502 U CN204287502 U CN 204287502U
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Abstract
The utility model discloses and can be used for TBM dynamic self-adapting solid nonpolarizing electrode, comprise non-polarizing electrode; Described non-polarizing electrode outer wall is fixedly connected with flexible linkage, and flexible linkage is flexible drives non-polarizing electrode motion; Described non-polarizing electrode inner sealing is set with pressing device, and described pressing device can non-polarizing electrode motion relatively.The utility model achieves the measurement of contact, and there is mechanical automation control installation and the feature removed, meet that potential electrode extreme difference is little and measuring accuracy is high simultaneously, adapt to the rough complex conditions of face, meet TBM and to construct the requirement of robotization, mechanization.
Description
Technical field
The utility model relates to electric field information fields of measurement, particularly relates to and can be used for TBM dynamic self-adapting solid nonpolarizing electrode.
Background technology
Electrode is a kind of important component part measuring reception for electric field information, is widely used in the fields such as earthquake precursor observation, the exploration of geophysics electrical method, engineering exploration, petroleum prospecting and the earth geomagnetic sounding.Wherein for tunnel induced polarization forward probe, electrode collection swashs the important composition that electric signal is tunnel induced polarization exploration system, significant for tunnel hazard prevention mitigation.
In the process of induced polarization signals collecting, adopt the plain metal such as copper electrode, lead electrode electrode as potential electrode, because himself easily polarizes, cause measurement data inaccurate.It is little that non-polarizing electrode has measurement potential difference (PD), the feature that measuring accuracy is high, and therefore, tunnel induced polarization exploration adopts non-polarizing electrode.Such as: Ag/Agcl contrast electrode, copper/saturated copper sulphate solution electrode etc.Above non-polarizing electrode adopts Manual punching to install, and adopts couplant to ensure good contact, in ground location and drilling and blasting method acquisition environment, achieve good effect, but for TBM tunnel, work progress requires robotization, rapid, mechanization.Common non-polarizing electrode needs manually to install punching, and is not suitable for TBM constructing tunnel, therefore develops one and applies to TBM induced polarization exploration non-polarizing electrode and seem particularly important.In TBM construction tunnel, non-polarizing electrode adopts the test mode of contact type measurement, have the advantages that fast to realize robotization, non-polarizing electrode is made to become a kind of possibility for TBM construction tunnel, and for the construction environment of TBM and engineering sounding requirement, there is following problem in the non-polarizing electrode applying to TBM induced polarization at present:
(1) face of TBM knife cutting is uneven, and contact electrode can not adapt to the uneven of face, and can not realize good contact, stake resistance is large.
(2) traditional electrode needs artificial installation and removes, and the automaticity of TBM construction electrode is low, and efficiency is low, and labour intensity is large.
(3) serviceable life of TBM top electrode is short, and later maintenance cost is high.
Utility model content
The purpose of this utility model is exactly to solve the problem, provide one and can be used for TBM dynamic self-adapting solid nonpolarizing electrode, achieve the measurement of contact, and there is mechanical automation control installation and the feature removed, meet that potential electrode extreme difference is little and measuring accuracy is high simultaneously, adapt to the rough complex conditions of face, meet the requirement of TBM construction robotization, mechanization.
To achieve these goals, the utility model adopts following technical scheme:
Can be used for TBM dynamic self-adapting solid nonpolarizing electrode, comprise non-polarizing electrode; Described non-polarizing electrode outer wall is fixedly connected with one end of flexible linkage, flexible linkage stretching motion drives non-polarizing electrode motion, realize the installation of non-polarizing electrode and remove, non-polarizing electrode inner sealing is set with pressing device, can be mobile along non-polarizing electrode inside, make thick electrolyte adapt to the rough complex conditions of face by the pushing of pressing device, realize the good contact of electrolyte and face.
Described non-polarizing electrode comprises pvc pipe; Described pvc pipe outer wall is fixedly connected with flexible linkage, inner sealing is set with pressing device, described pvc pipe one end is provided with cone rubber pipe box, and the cavity that pvc pipe and cone rubber pipe box are formed is electrolyte tank, is filled with electrolyte and accelerating chemicals in described electrolyte tank; Pvc pipe inwall is fixed with annular stereotype, and annular stereotype is fixed on distance and installs on the 3cm place inwall of pvc pipe one end of horn socket, and annular stereotype is connected on sniffer through winder by lead-in wire.
Described electrolyte is formulated by sodium chloride, lead chloride, gypsum, cement, wood chip and water, adds accelerating chemicals in addition in electrolyte tank, and its quality proportioning is sodium chloride: lead chloride: accelerating chemicals: gypsum: cement: wood chip: water=8:1:1:48:6:3:24.
Pressing device comprises pushing dish and push rod, and described push rod one end is fixedly connected on pushing dish, and other end push rod is connected with control device; Control device is movable to drive pushing rim pvc pipe inwall to move for controlling push rod.Pushing dish is for extruding electrolyte and accelerating chemicals.Push rod is secured across snap ring, and A feed pipe and the activity of B feed pipe are through snap ring.Snap ring is used for fixing A feed pipe, the position of B feed pipe ensures that A feed pipe, B feed pipe move according to fixation locus when filling electrolyte and accelerating chemicals simultaneously.Snap ring has two, can ensure the stability of A feed pipe, B feed pipe.Pushing dish is provided with two charging holes corresponding with A feed pipe and B feed pipe respectively; Described pushing dish is equipped with retaining valve near the charging hole side of the one side of cone rubber pipe box, exosmoses when preventing pushing dish from extruding electrolyte and accelerating chemicals.
Described flexible linkage comprises expansion link and cylinder; Expansion link front end is fixedly mounted on pvc pipe outer wall, and rear end is connected with cylinder.When non-polarizing electrode is installed, cylinder promotes expansion link and forwards moves, and expansion link drives non-polarizing electrode to move forward, when non-polarizing electrode arrives face, under the effect of expansion link, make the crimp of cone rubber pipe, thus adapt to the complex conditions of face.After non-polarizing electrode measurement completes, cylinder drives expansion link rearward to move, and expansion link drives non-polarizing electrode rearward to move, and departs from face, completes whole detection process.Flexible linkage achieves the Auto-mounting of non-polarizing electrode and removes, and solves the method that non-polarizing electrode is installed in Traditional Man punching, improves work efficiency, ensure that construction safety, reach detection object.
When electrolyte is filled, first, promote A feed pipe, B feed pipe enters into electrolyte tank front end through pushing dish charging hole, wherein accelerating chemicals filled by A feed pipe, and B feed pipe is filled by the formulated electrolyte of sodium chloride, lead chloride, gypsum, cement, wood chip, water.Secondly, A feed pipe, B feed pipe remove after filling full electrolyte tank by electrolyte, promote push rod and drive pushing dish to move forward, extrude the electrolyte in electrolyte tank and accelerating chemicals simultaneously, make electrolyte and accelerating chemicals dense extrusion and realize good contact with face.By staff's operated from a distance pressing device, achieve electrolytical automatic mixing and filling, increase work efficiency, ensure personal security.
Cone rubber pipe box is the basis realizing electrode and face good contact, when electrode is installed, under the promotion of flexible linkage, cone rubber pipe box contacts with face and country rock, due to the deformability of cone rubber pipe box self, under the promotion of expansion link, rubber sleeve crimp is made to adapt to the different geological conditions of face.Electrolytical filling is filled by feed pipe, and the electrolyte dense extrusion of will be filled by pressing device, because electrolyte is thick, in extrusion process, automatically can adapt to the rough geologic condition of face with the electrolyte of rock face.
The utility model dynamic self-adapting solid nonpolarizing electrode after tested, its electrode extreme difference current potential <1mv, 24 hours extreme differences drift <0.1mv.
The beneficial effects of the utility model:
(1) to meet cost of manufacture low and carry easy for installation for electrode of the present utility model, and the requirement that the little measuring accuracy of potential electrode extreme difference is high can be met, cone rubber pipe box and thick electrolyte can be good at adapting to the rough complex conditions of face, realize electrode to be coupled with the contact of face, greatly reduce the stake resistance of electrode and face country rock, provide a kind of feasible method and apparatus for induced polarization method is used for TBM forward probe.
(2) the utility model non-polarizing electrode is on electrolyte filling device, have employed A feed pipe, B feed pipe is combined with pressing device, realize electrolytical filling, the electrolyte of mobility ensure that and solves the difficult problem that conventional electrodes is difficult to repair and maintenance by the good contact of electrode and country rock.
(3) the flexible linkage that the utility model expansion link matches with cylinder makes electrode be fixedly connected with rock tunnel(ling) machine (TBM), realize the arrangement of electrode robotization and remove, avoid workmen and enter the operating mode that face manually installs, ensure that the personal safety of workmen.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is pressing device structural representation.
In figure: 1. cone rubber pipe box, 2. electrolyte tank, 3.PVC manages, 4. annular stereotype, 5. goes between, 6. retaining valve, 7. pushing dish, 8. winder, 9. expansion link, 10. snap ring, 11. push rods, 12. cylinders, 13.A feed pipe, 14.B feed pipe.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
As shown in Figure 1-2, can be used for TBM dynamic self-adapting solid nonpolarizing electrode, comprise non-polarizing electrode; Non-polarizing electrode outer wall is fixedly connected with flexible linkage, and flexible linkage is flexible drives non-polarizing electrode motion; Non-polarizing electrode inner sealing is set with pressing device, and pressing device can non-polarizing electrode motion relatively.
Non-polarizing electrode comprises pvc pipe 3, pvc pipe 3 outer wall is fixedly connected with flexible linkage, and inner sealing is set with pressing device, and pvc pipe 3 one end is provided with horn socket 1, the cavity that pvc pipe 3 and horn socket 1 are formed is electrolyte tank 2, is filled with electrolyte and accelerating chemicals in electrolyte tank 2; Pvc pipe 3 inwall is fixed with annular stereotype 4, and annular stereotype 4 is connected on sniffer through winder 8 by lead-in wire 5.
Pressing device comprises pushing dish 7 and push rod 11, and push rod 11 one end is fixedly connected on pushing dish 7, and other end push rod 11 is connected with control device.Push rod 11 is secured across snap ring 10, A feed pipe 13 and snap ring 10 is passed in B feed pipe 14 activity, and snap ring 10 has two, can ensure the stability of A feed pipe 13, B feed pipe 14.
Pushing dish 7 is provided with two charging holes corresponding with A feed pipe 13 and B feed pipe 14 respectively; Pushing dish 7 is equipped with retaining valve 6 near the charging hole side of horn socket 1 one side, exosmoses when preventing pushing dish 7 from extruding electrolyte and accelerating chemicals.
Flexible linkage comprises expansion link 9 and cylinder 12; Expansion link 9 front end is fixedly mounted on pvc pipe 3 outer wall, and rear end is connected with cylinder 12.
Electrolyte is formulated by sodium chloride, lead chloride, gypsum, cement, wood chip and water, adds accelerating chemicals in addition in electrolyte tank 2, and its quality proportioning is sodium chloride: lead chloride: accelerating chemicals: gypsum: cement: wood chip: water=8:1:1:48:6:3:24.
Can be used for the using method of TBM dynamic self-adapting solid nonpolarizing electrode, comprise the following steps,
The first step, is connected annular stereotype 4 one end with lead-in wire 5, and is fixed on by annular stereotype 4 on the 3cm place inwall of pvc pipe 3 one end of distance installation horn socket 1, and lead-in wire 5 is caused the terminals of sniffer through automatic winder 8;
Second step, will not add electrolytical non-polarizing electrode and will be pushed to face position by flexible linkage, and make cone rubber pipe box 1 crimp to adapt to the geologic condition of face, make cone rubber pipe box 1 and face close contact;
3rd step, after flexible linkage pushes and terminates, preparation electrolyte; Electrolyte is the potpourri of sodium chloride, lead chloride, gypsum, cement, wood chip and water; Electrolyte with the quality proportioning of the accelerating chemicals separately added is, sodium chloride: lead chloride: accelerating chemicals: gypsum: cement: wood chip: water=8:1:1:48:6:3:24;
4th step, A feed pipe 13, B feed pipe 14 are pushed to pvc pipe 3 front end, the thick electrolyte prepared is filled in electrolyte tank 2 from B feed pipe, fill accelerating chemicals at A feed pipe 13 simultaneously, when electrolyte is filled with electrolyte tank 2, stop adding electrolyte, A feed pipe 13, B feed pipe 14 are shifted out electrolyte tank 2;
5th step, drives the push rod 11 of pressing device, drives pushing dish 7 forwards to move, makes electrolyte dense extrusion, realize good contact with face, after having pushed, wait for 4 minutes, makes electrolyte coagulation complete, starts detection;
6th step, detection terminates, and controls the cylinder 12 of flexible linkage, drives expansion link 9 rearward to move, and drives non-polarizing electrode to leave face simultaneously, realizes removing of non-polarizing electrode, complete detection mission.
By reference to the accompanying drawings embodiment of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (7)
1. can be used for TBM dynamic self-adapting solid nonpolarizing electrode, it is characterized in that, comprise non-polarizing electrode; Described non-polarizing electrode outer wall is fixedly connected with flexible linkage, and flexible linkage is flexible drives non-polarizing electrode motion; Described non-polarizing electrode inner sealing is set with pressing device, and described pressing device can non-polarizing electrode motion relatively.
2. can be used for TBM dynamic self-adapting solid nonpolarizing electrode as claimed in claim 1, it is characterized in that, described non-polarizing electrode comprises pvc pipe; Described pvc pipe outer wall is fixedly connected with flexible linkage, and inner sealing is set with pressing device, and described pvc pipe one end is provided with horn socket, and the cavity that pvc pipe and horn socket are formed is electrolyte tank, is filled with electrolyte and accelerating chemicals in described electrolyte tank; Pvc pipe inwall is fixed with annular stereotype, and annular stereotype is connected on sniffer through winder by lead-in wire.
3. can be used for TBM dynamic self-adapting solid nonpolarizing electrode as claimed in claim 2, it is characterized in that, described horn socket is cone rubber pipe box, is fixed on one end of pvc pipe by screw thread.
4. can be used for TBM dynamic self-adapting solid nonpolarizing electrode as claimed in claim 2, it is characterized in that, described pressing device comprises pushing dish and push rod, and described push rod one end is fixedly connected on pushing dish, and the other end is connected with control device; Described push rod is secured across snap ring; A feed pipe and B feed pipe pass snap ring by through hole.
5. can be used for TBM dynamic self-adapting solid nonpolarizing electrode as claimed in claim 4, it is characterized in that, the number of described snap ring is at least one.
6. can be used for TBM dynamic self-adapting solid nonpolarizing electrode as claimed in claim 4, it is characterized in that, described pushing dish is provided with two charging holes corresponding with A feed pipe and B feed pipe respectively; Described pushing dish is equipped with retaining valve near the charging hole side of the one side of horn socket.
7. can be used for TBM dynamic self-adapting solid nonpolarizing electrode as claimed in claim 2, it is characterized in that, described flexible linkage comprises expansion link and cylinder, and expansion link front end is fixedly mounted on the outer wall of pvc pipe, and rear end is connected with the piston rod of cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723682.4U CN204287502U (en) | 2014-11-26 | 2014-11-26 | Can be used for TBM dynamic self-adapting solid nonpolarizing electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723682.4U CN204287502U (en) | 2014-11-26 | 2014-11-26 | Can be used for TBM dynamic self-adapting solid nonpolarizing electrode |
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| Publication Number | Publication Date |
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| CN204287502U true CN204287502U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420723682.4U Withdrawn - After Issue CN204287502U (en) | 2014-11-26 | 2014-11-26 | Can be used for TBM dynamic self-adapting solid nonpolarizing electrode |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391328A (en) * | 2014-11-26 | 2015-03-04 | 山东大学 | Dynamic self-adaptive solid non-polarizing electrode available to TBM (tunnel boring machine) and using method of dynamic self-adaptive solid non-polarizing electrode |
| CN110161567A (en) * | 2019-05-09 | 2019-08-23 | 山东大学 | The portable quick laying electrode assembly of induced polarization and method suitable for the tunnel TBM |
-
2014
- 2014-11-26 CN CN201420723682.4U patent/CN204287502U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104391328A (en) * | 2014-11-26 | 2015-03-04 | 山东大学 | Dynamic self-adaptive solid non-polarizing electrode available to TBM (tunnel boring machine) and using method of dynamic self-adaptive solid non-polarizing electrode |
| CN104391328B (en) * | 2014-11-26 | 2017-12-12 | 山东大学 | Available for TBM dynamic self-adaptings solid nonpolarizing electrode and application method |
| CN110161567A (en) * | 2019-05-09 | 2019-08-23 | 山东大学 | The portable quick laying electrode assembly of induced polarization and method suitable for the tunnel TBM |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150422 Effective date of abandoning: 20171212 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150422 Effective date of abandoning: 20171212 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |