CN205958770U - Device and parallel electricity is legal to detection device for improve contact of sclerosis dykes and dams - Google Patents

Abstract

The utility model relates to a dykes and dams hidden danger detection area specifically is that sclerosis dykes and dams hidden danger detection method and device are applied to to a parallel electric method, especially indicates a device and parallel electricity is legal to detection device for improve contact of sclerosis dykes and dams, including the used electrode of electric method appearance, the inside skeleton of electrode comprises bar copper and infusion pipe, and conductive sponge and electrically conductive cotton flannel have been wrapped up in proper order to the outside of electrode intermediate position. The utility model discloses a rechargeable electric hammer is to sclerosis dykes and dams top layers drilling, and site operations is convenient, the flexible operation, and low in labor strength, the applied environment is wide, and it is less to drill the aperture simultaneously, makes things convenient for later stage dykes and dams sclerosis top layer repair.

Description

For improving the device of hardening dykes and dams contact and parallel electrical method oriented detection device

Technical field

This utility model is related to dam hidden danger detection field, and specifically a kind of parallel Electrical method application is visited in hardening dam hidden danger Survey method and apparatus, refer in particular to a kind of device for improving hardening dykes and dams contact and parallel electrical method oriented detection device, should Utility model improve the method for work of the internal hidden danger of detection dykes and dams with electrode the contact coupled modes with hardened layer, mainly answer For the case-hardening facility such as dykes and dams, pond on a hill, highway, runway, building ground, and the massif of exposed bedrock, tunnel, foundation ditch etc. Natural or artificial geologic body.

Background technology

Dykes and dams are the important component parts of flood-prevention project system, are the last barriers of defending flood.Operate therewith the time limit Increase, dam leakage problem is more and more prominent.In order to effectively carry out reinforcement work, accurate calibration goes out the position of hidden leakage defect Put, scope, connection situation are necessary.Generally excavate or boring detection method can more directly scent a hidden danger problem, But expendable destruction can be caused to dykes and dams, and costly check that efficiency is extremely low, particularly run into burst dangerous situation When the geological information of timely, quick offer hidden danger is provided.DC electrical method is a kind of lossless quick detection meanss, compared to shallow-layer ground The geophysical prospecting method such as shake method, detection radar, transient electromagnetic, natural potential, physical difference is obvious, abundant information, with low cost, result Intuitive and reliable it is in particular possible to directly identify leakage anomaly, apply wide in leakage detection got rid of the danger by dykes and dams.

Resistivity method is a kind of conduction class testing method, is not suitable for dykes and dams top layer hard by materials such as concrete, block stones Environment after change.Current primary solutions are divided into two classes：One class is to be destroyed firmly using large area machinery or Local Artificial hammering Change dykes and dams surface, this method can directly expose the dykes and dams soil body, but workload is big, labor intensity is high, remote at some In pond on a hill leakage detection, application limitation is big, and broken top layer rehabilitation cost is also higher, belongs to and damages destruction；Two classes such as the applicant Above patent applied for (Zhang Pingsong, Tan Lei, Wang Xuan, etc. a kind of. hard medium earth electric field device for quick testing [P]. China is specially Profit：204731425U, 2015-10-28) method, be by modified electrode framework, promote electrode to connect with hard medium-tight Touch, be conducive to quickly testing, but this utility model does not overcome the interference to test signal for the hard medium yet, and device not portable Band, is difficult to use in a large number.

Content of the invention

This utility model for hardening, the difficult difficult problem of electrode is installed on dykes and dams to solve current DC electrical method it is proposed that Holed on certain spaced position using charging electric hammer, the electrode assembly of utility model is inserted in the hole, is passed through using watering can Liquid injection hole to injection solion in boring it is ensured that coupling between electrode and hole wall, the dykes and dams soil body, using double collet wire Connection electrode and multicore test cable, carry out collection and the process of data, according on dykes and dams different parts using parallel electrical prospecting apparatus The joint comparative analysiss of the resistivity image of multiple tracks survey station, last solution translates the geology such as the position of hidden danger, scope, connectedness letter Breath, provides technical support for reinforcement.

First, this utility model provides a kind of device for improving hardening dykes and dams contact.

For improving the device of hardening dykes and dams contact, including electrical prospecting apparatus electrode used therein, described electrode interior skeleton is by copper Rod and transfusion catheter are constituted, and the outside in electrode centre position is enclosed with conductive sponge and conductive flannelette successively.

Preferably, described transfusion catheter is fixed on copper rod by thin copper wire, and the bottom end opening of transfusion catheter is by filter screen bag Wrap up in.

Preferably, there is at the liquid injection hole of described tube for transfusion upper end the plastic nut of antiseepage.

Preferably, described copper rod is cylindric, and the bottom of copper rod is taper tip, and another section of both sides of copper rod are provided with recessed Groove.

Preferably, described copper rod length 400mm, bottom is the taper tip of length 10mm, the length far from termination 100mm for the top On degree, corresponding both sides are provided with groove, and transfusion catheter, conductive sponge and conductive flannelette are located at the middle 200mm length section of copper rod.

This utility model is used for improving the using method of the device of hardening dykes and dams contact, and step is as follows：

1) adopt the bore operation to dykes and dams hardened layer for the rechargeable electric hammer；

2) insert electrodes in the hole；

3) liquid injection hole that watering can passes through transfusion catheter is utilized to inject solion into boring；

4) detected using double collet wire connection electrode and multicore test cable.

Wherein, described rechargeable electric hammer can be supported in impact, rotation, impact and free switching under the working methods such as rotation Forward and reverse turning function.

Described watering can be provided with for transfusion catheter on plastic nut connect cored screw and pressue device.

In addition, this utility model additionally provides a kind of parallel electrical method oriented detection device for the dykes and dams that harden.

A kind of parallel electrical method oriented detection device for the dykes and dams that harden, including the parallel electricity for data acquisition and procession With for improving the device that hardening dykes and dams contact, described electrical prospecting apparatus is connect with for improving hardening dykes and dams method instrument by multi-core cable wire The electrode of tactile device connects.

Preferably, multi-core cable wire is connected with electrode by the wire of double collet.

For the parallel electrical method oriented detection method of the dykes and dams that harden, it is connected to improve firmly using wire one end of double collet Change the top of the electrode of device of dykes and dams contact, exposed pad on other end multicore connecting cable, a multi-core cable wire Upper connection 64 road electrode constitutes a survey station, is connected with parallel electrical prospecting apparatus using multicore cable end, parallel electrical prospecting apparatus The supply current of survey station Shang Ge road electrode, natural potential, a field potential and secondary field potential are included；One-shot measurement is complete Cheng Hou, then carry out the data collection task of the next stop.

Preferably, a dam hidden danger body detects arrangement 2～4 road survey station, and position concentrates on dam scarp slope, dam crest, dam Adverse grade and later stage anti-seepage reinforcing section.

Below this utility model is described further：

For hidden danger body parallel electrical method oriented detection method and device in the dykes and dams that harden, including the charging type electric for boring Hammer, the parallel electrical prospecting apparatus that utility model is easy to hardening dykes and dams electrode assembly couple and is used for data acquisition and procession, have Body is divided into following components：

1. it is used for the rechargeable electric hammer of boring：Rechargeable electric hammer is mainly used in the bore operation to dykes and dams hardened layer, can In impact, the free switching under working method such as rotate, impact and rotate, support forward and reverse turning function, expanded range；Bore Hole optimum diameter scope is 4～26mm, and especially, hardened layer needs aperture 25mm；Active length scope is 50mm～400mm, Especially, hardened layer needs optimal hole depth 100～300mm, automatically adjusts with specific reference to hardened layer thickness；Can be taken using 36v Carry rechargeable battery powered a, charging complete, 30～40, above-mentioned characteristic hole can be bored, configure polylith normal cell, open country can be completed The demand of backland hardening dykes and dams bore operation outward.

2. electrode assembly inner skeleton：Inner skeleton is to be made up of a cylindric copper rod and transfusion catheter.Copper rod length 400mm, one section of diameter 10mm copper rod is polished into the taper tip of length 10mm, corresponding in another section of length away from termination 100mm Both sides are polished into groove.The transfusion catheter of a piece a diameter of 5mm is wrapped on above-mentioned copper rod by thin copper wire, the bottom of transfusion catheter 100mm at the tip of copper rod bottom, opening is wrapped up by filter screen；There is at another opening of tube for transfusion the plastic nut of antiseepage.Scene During this utility model electrode assembly, solion, solion can be conveyed to bore inner by transfusion catheter Foot of hole or aperture can be flowed to gap between electrode assembly and hole wall, and then ensure that electrode and surrounding medium Coupling.

3. electrode assembly outer packaging：Electrode assembly is in the interlude conductive sponge away from two ends 100mm and conduction respectively Flannelette wraps up, middle segment length 200mm, is wound around copper rod, copper wire and transfusion catheter using conductive sponge, and above-mentioned sponge has suction Water swellable function；Conductive flannelette is wrapped in outermost layer, has extremely strong wear resistance, predominantly reach the internal sponge of protection and It is adjacent to the effect of hole wall.Especially, wherein exposed lowermost end 100mm copper rod also has by the way of artificial hammering to dykes and dams Soil layer continues the function of drilling；Especially, wherein exposed top 100mm copper rod is polished into groove and is easy to chuck connection.

4. solion method for implanting：Solion is higher with respect to water conductive capability, is filled with multiple material in watering can The mixed ion solutions of configuration, are rotatably connected using the cored screw on the plastic nut and watering can on transfusion catheter；Using spray Pressue device and solution deadweight on kettle, solion arrives at conduit bottom opening by transfusion catheter, by filter screen into boring Overflow, final being full of entirely is holed, and further enhances the coupling effect between electrode assembly and hardening medium, dykes and dams soil layer.

5. parallel electrical method method of work：Wire one end using double collet connects the groove position of copper rod, and one end connects electricity Exposed pad on cable, a multi-core cable wire connects 64 road electrode and constitutes a Ge Ce road, using multi-core cable wire Termination is connected with parallel electrical prospecting apparatus, and parallel electrical prospecting apparatus is to the supply current of survey station Shang Ge road electrode, natural potential, a field potential Included with secondary field potential；After the completion of one-shot measurement, then the data collection task carrying out the next stop.Usually, a dike Dam hidden danger body detects and can arrange 2～4 road survey stations, and position is concentrated mainly on dam scarp slope, dam crest, dam adverse grade etc., especially, Should at least arrange on later stage anti-seepage reinforcing section together.

6. data processing and interpretation：Carry out solving volume, denoising, seat using the data of parallel electrical method one survey station of supporting software The process means such as mark input, the correction of soundings, achievement is with apparent resistivity isoline graph expression out；Especially, test data also may be used Using parallel electrical method FORWARD AND INVERSE PROBLEMS means, the final true resistivity inversion chart picture obtaining dykes and dams, so that exceptions area is become apparent from further, Convergence.Further, each survey station is stitched together according to corresponding survey grid locus, in conjunction with dykes and dams early stage operational data, Solution translates the characteristic information such as the producing cause causing dam hidden danger and dam hidden danger position, scope, trend, Jin Erwei further The design of later stage reinforcement scheme provides beneficial data.

Advantage of the present utility model：

1. this utility model adopts rechargeable electric hammer to the boring of hardening dykes and dams top layer, and field operation is convenient, flexible operation, labor Fatigue resistance is low, and applied environment is wide, and boring aperture is less simultaneously, facilitates later stage dykes and dams hardened layer repair.

2. inside this electrode assembly, adopt copper rod skeleton, during hardening dykes and dams use electrode middle part can with hard While changing media implementation good contact, bottom copper rod can ensure that the coupling effect good with the dykes and dams soil body, further this electricity Pole device has the dual-use function being applied to hardening and common dykes and dams face, and this electrode adopts the integrated body plan of modularity, easy to carry, Make simple, cheap, quick construction, the ability that recycles is strong, can reach field size use demand.

3. inject solion using from transfusion catheter to bottom hole, using reacting cycle formula solution flow process technology, fully Ensure fully coupling between electrode and hole wall, greatly reduce earth resistance, be effectively reduced hardening medium electric data over the ground Interference, improve the signal to noise ratio of test signal.

4., using having the parallel electrical method measuring technology intending earthquake data acquisition advantage, one-shot measurement completes, and can obtain Mass data body under full electric field action, improves work efficiency, increased the quantity of information of geologic body, more accurate and effective The characteristic informations such as the hidden danger position within identification dykes and dams, scope, trend, the design for later stage reinforcement scheme provides reliably Data.

5. this measuring technology site operation is quick, reliable results, compensate for current dykes and dams hardened layer resistivity method test The drawbacks of, using apparent resistivity or the true resistivity result three-dimensional Comprehensive Correlation technology of the test of multiple sections, improve interpretation Reliability.

Brief description

Fig. 1 is the inner skeleton structural representation of utility model electrode assembly, and Fig. 2 is for hidden danger body in the dykes and dams that harden simultaneously The working method figure of row electrical method oriented detection device.

1-cylindric copper rod；2-tip；3-groove；4-transfusion catheter；5-filter screen；6-antiseepage attaching nut；7― Thin copper wire；8-boring；9-conductive sponge；10-conductive flannelette；11-clip；12-wire.

Specific embodiment

For hidden danger body parallel electrical method oriented detection method and device in the dykes and dams that harden, this utility model is directed to current dykes and dams It is hardened rear DC electrical method leakage detection work and is difficult to install a difficult problem for electrode it is proposed that a kind of new device and detection method, reach Purpose to the effective identification of dam hidden danger.Specific works mode divides the following aspects：

1. the framing structure of utility model electrode assembly：As shown in figure 1, this electrode assembly internal framework includes length The cylindric copper rod 1 of 400mm, the bottom length of column copper rod 1 is the coniform tip 2 of 10mm, and coniform tip 2 is conducive to inserting Enter underground medium；The other end both sides of column copper rod 1 are polished into the groove 3 that length is 100mm, and the effect of groove 3 is convenient Chuck 11 clamps, so that more stable gathered data；7 length of thin copper wire are that the transfusion catheter 4 of 200mm is wrapped in copper rod 1 middle part, the lower opening of transfusion catheter 4 length away from coniform chuck 2 top of copper rod 1 is 100mm, and solion is by spraying Kettle enters in transfusion catheter 4 through antiseepage attaching nut 6, and flows into boring by transfusion catheter bottom opening, for preventing opening from hindering Plug, increases filter screen 5 at opening.

2. the exterior design of utility model device：As shown in Fig. 2 in cylindric copper rod 1, copper wire 7, outside transfusion catheter 4 Layer parcel conductive sponge 9, this conductive sponge 9 has the function of imbibition, water holding, helped to ensure that utility model device with The preferable contact of hole wall and the data collection task of long period；Protect sponge 9 further, increasing in the outside of sponge 9 has There are conductive and antiwear properties conductive flannelettes 10.

3. this utility model electrode assembly employs modularity integration framework, in onsite application, only electrode assembly need to be inserted Enter in boring 8, the wire using double collet is connected electrode with multicore cable, especially, chuck 11 one end at wire 12 two ends Clamp groove 3, multi-core cable wire bed course is clamped in one end；In onsite application, clip to be checked and groove, the connection of pad, keep away Exempt from appearance to loosen, cause the situation of swinging of signal to occur.

4. a kind of parallel Electrical method application is in the method for work of hardening detection of hidden troubles in dams method and apparatus：According to job requirement With work on the spot environment, the parallel electrical method of reasonable selection carries out detection of hidden troubles in dams.In conjunction with the position of dam leakage point exposure, on dam 2～4 road electrical method survey stations are arranged at the positions such as scarp slope, dam crest, dam adverse grade, especially should arrange on the section of later stage anti-seepage reinforcing together Survey line, survey line length should consider according to dykes and dams length and detection purpose.After the completion of the design of survey line survey grid, utilize at measuring point Rechargeable electric hammer creeps into hardening dykes and dams, boring aperture 25mm, hardened layer hole depth 100～300mm about.Electrode assembly is inserted Enter in hole, especially, when hardened layer is relatively thin, available iron hammer hammering copper rod deeper enters underground layer.Using antiseepage nut In the solion input transfusion catheter in watering can and interior by the inflow boring of transfusion catheter bottom opening, for preventing opening Block, increase filter screen at opening.When hell has solion to overflow, stop injection, using double collet wire electrode Groove and cable pad are connected with each other, and gather electrical method data using parallel electrical prospecting apparatus.

5. carry out solving volume, denoising, coordinate input, the correction of soundings using the data of parallel electrical method one survey station of supporting software Etc. process means, achievement is with apparent resistivity isoline graph expression out；Especially, that parallel electrical method may also be employed is positive and negative for test data Drill means, the final true resistivity inversion chart picture obtaining dykes and dams, so that exceptions area is more projected further, restrain.Further, every Individual survey station is stitched together according to corresponding survey grid locus, and in conjunction with dykes and dams early stage operational data, solution translates and causes further The characteristic information such as the producing cause of dam hidden danger and dam hidden danger position, scope, trend, and then be later stage reinforcement scheme Design beneficial data is provided.

Claims (7)

1. be used for improve hardening dykes and dams contact device, including electrical prospecting apparatus electrode used therein it is characterised in that：Described electrode interior bone Frame is to be made up of copper rod and transfusion catheter, and the outside in electrode centre position is enclosed with conductive sponge and conductive flannelette successively.

2. according to claim 1 for improve hardening dykes and dams contact device it is characterised in that：Described transfusion catheter leads to Cross thin copper wire to be fixed on copper rod, the bottom end opening of transfusion catheter is wrapped up by filter screen.

3. according to claim 1 for improve hardening dykes and dams contact device it is characterised in that：Described tube for transfusion upper end There is at liquid injection hole the plastic nut of antiseepage.

4. according to claim 1 for improve hardening dykes and dams contact device it is characterised in that：Described copper rod is cylinder Shape, the bottom of copper rod is taper tip, and another section of both sides of copper rod are provided with groove.

5. according to claim 1 for improve hardening dykes and dams contact device it is characterised in that：Described copper rod length 400mm, bottom is the taper tip of length 10mm, and in the length far from termination 100mm for the top, corresponding both sides are provided with groove, and transfusion is led Pipe, conductive sponge and conductive flannelette are located at the middle 200mm length section of copper rod.

6. a kind of parallel electrical method oriented detection device for the dykes and dams that harden, including the parallel electrical method for data acquisition and procession The instrument described device that for improvement hardening dykes and dams contact arbitrary with claim 1-5, described electrical prospecting apparatus passes through multi-core cable wire Connect with the electrode for improving the device that hardening dykes and dams contact.

7. the parallel electrical method oriented detection device for the dykes and dams that harden according to claim 6 it is characterised in that：Multicore electricity Cable is connected with electrode by the wire of double collet.