CN117627546B - Telescopic electrode delivery protection sleeve device suitable for tunnel drilling electrical detection - Google Patents
Telescopic electrode delivery protection sleeve device suitable for tunnel drilling electrical detection Download PDFInfo
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- CN117627546B CN117627546B CN202410110236.4A CN202410110236A CN117627546B CN 117627546 B CN117627546 B CN 117627546B CN 202410110236 A CN202410110236 A CN 202410110236A CN 117627546 B CN117627546 B CN 117627546B
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- 238000005553 drilling Methods 0.000 title claims abstract description 50
- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 239000011435 rock Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 29
- 238000007569 slipcasting Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 6
- 230000003467 diminishing effect Effects 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract description 10
- 238000000429 assembly Methods 0.000 abstract description 10
- 230000003247 decreasing effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 19
- 238000003825 pressing Methods 0.000 description 14
- 239000007822 coupling agent Substances 0.000 description 10
- 239000002699 waste material Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
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Abstract
The invention discloses a telescopic electrode delivery protection sleeve device suitable for tunnel drilling electrical detection, which relates to the technical field of tunnel cross-hole advanced detection and comprises the following components: surrounding rock; and two sleeve assemblies are arranged. The telescopic electrode delivery protection sleeve device suitable for tunnel drilling electrical detection is characterized in that the structure of the sleeve assembly is a telescopic sleeve when the telescopic electrode delivery protection sleeve device is used, the sleeve assembly consists of four graded sleeves with decreasing inner diameters and a telescopic connecting mechanism, the graded sleeves are sleeve bodies, the telescopic connecting mechanism is a connecting mechanism body, the diameter of each sleeve body is gradually reduced, two adjacent sleeve bodies are connected through the connecting mechanism body, in particular to threaded connection or bump clamping and firm connection, the four sleeve bodies are pulled out to extend the sleeve bodies when the telescopic electrode delivery protection sleeve device is used, and the bumps are pulled out from positioning holes to be matched with threaded rotation after the telescopic electrode delivery protection sleeve device is used.
Description
Technical Field
The invention relates to the technical field of tunnel cross-hole advanced detection, in particular to a telescopic electrode delivery protection sleeve device suitable for tunnel drilling electrical detection.
Background
The tunnel drilling electric observation method is an electric exploration method for realizing poor geological imaging in front of a tunnel face by arranging drilling holes and arranging electrodes in front of the face and detecting between the drilling holes, wherein in the actual detection process of engineering, a sleeve is usually placed in advance in the drilling holes in order to avoid hole collapse, and the sleeve made of PVC nonmetallic materials is mostly adopted in the detection of the drilling holes by an electric method and an electromagnetic method so as to reduce interference on electric fields and electromagnetic fields, and the conventional scheme of the tunnel drilling electric detection is as follows: the method comprises the steps of sequentially binding and connecting the heads and the tails of a plurality of PVC pipes, prolonging the connection to be identical with the depth of a drilled hole, binding a cable on the length PVC pipe, feeding the PVC pipe into the drilled hole so as to realize the arrangement of electrodes in the drilled hole in front of a tunnel, injecting a coupling agent into the drilled hole after the arrangement of the electrodes is completed, and detecting and collecting data by an electric method.
However, the prior art method suffers from the following problems: firstly, the drilling inner space is narrow and the hole inner rock wall is coarse, adjacent two PVC pipe overlap end to end is bound and is connected, junction PVC pipe end to end is crisscross each other, when taking out after the detection, junction is liable to receive coarse rock wall's hindrance, remaining PVC pipe can't take out smoothly, unable reuse, and prevent new PVC pipe reentrant drilling, influence subsequent detection work, the second, on-the-spot constructor utilizes nylon rope or sticky tape to bind the cable on the PVC pipe, in order to realize the fixed of cable at the PVC pipe, the cable is torn down again after the detection, the binding and the dismantlement of cable are all accomplished by the manual work, because the binding quantity is more, need consume a large amount of time, influence the efficiency of detection, thirdly, after the electrode is laid and be accomplished, pour into couplant into in order to guarantee to detect electrode and surrounding rock can well contact in the drilling, but because the mobility of couplant can appear in the couplant injection coupling agent process, especially when the drilling is upwards inclined this problem is serious, lead to the couplant extravagant, simultaneously let out the face from the drilling, produce pollution to the environmental protection of construction site, it is located deep and is difficult to observe the coupling quality of surrounding rock, the coupling agent is not located deep and is good to observe.
We have therefore proposed a telescopic electrode delivery protection sleeve device suitable for tunnelling electrical detection in order to solve the problems set out above.
Disclosure of Invention
The invention aims to provide a telescopic electrode delivery protection sleeve device suitable for tunnel drilling electrical detection, which solves the problems that the existing PVC pipe connection binding proposed by the background art is inconvenient for subsequent extraction and wastes manpower and couplant.
In order to achieve the above purpose, the present invention provides the following technical solutions: a retractable electrode delivery protection sleeve device suitable for tunnelling electrical detection, comprising: surrounding rock; the sleeve assembly is provided with two, two the sleeve assembly is the symmetry setting, the sleeve assembly is four the sleeve pipe body's diameter is for decreasing gradually the setting in proper order, four the equal fixedly connected with sleeve pipe bottom screw thread of one end of sleeve pipe body, wherein three the equal threaded connection of surface of sleeve pipe bottom screw thread has the coupling mechanism body, three coupling mechanism body's surface fixedly connected with a plurality of lugs, four a plurality of locating holes have all been seted up to the surface of sleeve pipe body, the inner wall of locating hole and the surface looks block of lug.
Preferably, a face is arranged on one side of the surrounding rock, two drilling channels are formed in the outer surface of the face, two sleeve assemblies are respectively arranged in the two drilling channels, the face is a face wall in the surrounding rock, two inclined drilling channels are arranged along the front of the face, the lengths of the two drilling channels are twenty meters, the two drilling channels are respectively inclined upwards by ten degrees and inclined downwards by ten degrees along the axis of the tunnel, and one meter is spaced between the two electrodes.
Preferably, cable holes are formed in the outer surfaces of the three connecting mechanism bodies, cables are arranged between the inner walls of the three cable holes, the outer diameter of each selected cable is one centimeter, and the cables can pass through the plurality of connecting mechanism bodies through the cable holes.
Preferably, the outer surfaces of the two sleeve bodies are respectively provided with a connecting column assembly, the two connecting column assemblies comprise cable clamps, the two cable clamps are respectively arranged outside the cable wires, the cable wires can be tightly clamped by the cable clamps by pressing inwards against the opening of the cable clamps, the opening of the cable clamps is in a circular ring shape, the inner diameter of the opening of the cable clamps is equal to the outer diameter of the cable wires, anti-skid patterns are arranged on the inner sides of the opening of the cable clamps, and the size of the opening of the cable clamps is slightly smaller than the outer diameter of the cable wires.
Preferably, the outer surfaces of the two cable clamps are welded with fixing blocks, the outer surfaces of the two fixing blocks are welded with fixing bolts, the outer surfaces of the two fixing bolts are movably connected with the inner walls of the two positioning holes respectively, the cable clamps are arranged inside the sleeve body by penetrating the fixing bolts from one of the positioning holes, so that the cable clamps clamp cables, the fixing bolts are rotatably sleeved by the fixing nuts, one connecting column assembly is located at the bottom end of the primary sleeve body, and the other connecting column assembly is located at the top end of the quaternary sleeve body.
Preferably, the outer surfaces of the two fixing bolts are respectively provided with a buffer gasket in a sliding mode, the outer surfaces of the two fixing bolts are respectively provided with a fixing nut in a threaded mode, the fixing bolts penetrate through the sleeve wall and are connected with the fixing nuts, the buffer gaskets are arranged between the fixing nuts and the sleeve wall to play a role in buffering, and the connecting column assemblies are fixed at the designated positions at the two ends of the sleeve through screwing the fixing nuts.
Preferably, another the surface threaded connection of sleeve pipe bottom screw thread has the shutoff subassembly, the shutoff subassembly is including the clamp plate, the slip casting hole has been seted up to the surface center department of clamp plate, the surface of clamp plate is close to slip casting hole department and has been seted up cable seal hole, utilizes the shutoff subassembly to realize the shutoff to the couplant, prevents that the couplant from flowing backwards and causing extravagant, can make the couplant inflow of slip casting pipe injection to the sleeve pipe body inside through the slip casting hole to reach the drilling passageway.
Preferably, one side fixed mounting of clamp plate has the sleeve pipe connector, the opposite side fixedly connected with slip casting pipe of clamp plate, the one end thread bush of slip casting pipe is equipped with the adapter sleeve, the fixed intercommunication of surface of adapter sleeve has the exhaust pipe, pushes into two slope drilling passageway respectively with two sleeve pipe components, and slip casting pipe and outside slip casting machine are connected, have realized the import of couplant in to the drilling passageway, begin the detection process, and after the detection is accomplished, the waste liquid that needs to discharge can be discharged through the exhaust pipe and collect and carry out centralized processing, reduces the pollution to the environment that the used couplant that flows out from the drilling passageway caused.
Preferably, the fixed intercommunication of surface of slip casting pipe has the connecting pipe, the one end of connecting pipe is provided with the switch knob, and after the detection, through opening the switch knob, can make the flow of abandoned couplant discharge, and close the switch knob when pouring into couplant to the inside of sleeve pipe body, can prevent the couplant backward flow.
Preferably, the opposite side of clamp plate is close to cable seal hole department fixedly connected with seal assembly, seal assembly is including the connecting band, the one end of connecting band is fixed with the separation blade, the surface of separation blade is pasted and is had the cable shutoff piece, the surface of cable shutoff piece and the inner wall looks block in cable seal hole, and cable shutoff piece and separation blade are flexible material, through in going into cable seal hole with cable shutoff piece card, the surface of cable shutoff piece is equipped with the antislip strip, and the inner wall in cable seal hole is equipped with the antislip strip with cable shutoff piece assorted, can tightly install cable shutoff piece, can conveniently pull out cable shutoff piece through the help of the separation blade, and the connecting band can be fixed cable shutoff piece, avoids dropping when pulling out and loses.
Compared with the prior art, the invention has the beneficial effects that:
1. When the telescopic sleeve is used, the sleeve assembly is composed of four graded sleeves with decreasing inner diameters and a telescopic connecting mechanism, the graded sleeves are sleeve bodies, the telescopic connecting mechanism is a connecting mechanism body, the diameter of each sleeve body is gradually reduced, two adjacent sleeve bodies are connected through the connecting mechanism body, in particular to screw connection or bump clamping and firm connection, the four sleeve bodies are pulled out to be elongated when the telescopic sleeve is used, bumps are pulled out from positioning holes to be matched with screw threads to rotate after the telescopic sleeve is used, the four connected sleeve bodies can be detached, the sleeve bodies are conveniently placed in and taken out of a drilling channel, the cyclic utilization of the sleeve bodies is realized, one end of the sleeve bodies cannot be left in the drilling channel when the sleeve bodies are pulled out outwards, the phenomenon that new PVC pipes enter the drilling channel again is avoided, the influence on subsequent detection work is prevented, and the sleeve bodies are telescopic and are convenient to transport and store.
2. When the cable clamp is used, the two connecting column assemblies are installed at the top end and the bottom end of the elongated sleeve body through connection, so that the fixing process between the cable and the sleeve body is simpler and faster, the cable can be tightly clamped by the cable clamp by pressing inwards against the opening of the cable clamp, the opening of the cable clamp is annular, the inner diameter of the cable clamp is equal to the outer diameter of the cable, anti-skid patterns are arranged on the inner side of the cable clamp, the size of the opening of the cable clamp is slightly smaller than the outer diameter of the cable, and compared with a traditional method of manually binding the cable on a PVC rod by using a plurality of nylon ropes, the method is simple to operate, and binding and dismounting time is saved.
3. When the device is used, the plugging component at the bottom of the sleeve body can enable the couplant to be injected into the sleeve body from the grouting pipe, seep out from the positioning holes and other holes of the sleeve body instead of leaking outwards at the injection opening, plugging of the couplant injected in the detection process can be achieved, particularly detection of an upward inclined drilling channel is achieved, the couplant is saved, and meanwhile pollution of the couplant to the environment of a construction site is avoided.
4. When the coupling agent is used, the positioning holes formed in the surface of the sleeve body are regularly formed along the circumferential direction, and the positioning holes can be clamped with the convex blocks to fix the connecting mechanism body, so that the whole length of the sleeve body can be controlled, and the coupling agent can be used as a flowing hole for the injected coupling agent to seep from the sleeve body to a drilling channel, so that the coupling agent is injected uniformly and is not easy to flow back, and the detection electrode can be in good contact with surrounding rock.
Drawings
FIG. 1 is a cut-away perspective view of a retractable electrode delivery sheath device suitable for tunnelling electrical detection in accordance with the present invention;
FIG. 2 is a partial perspective view of a sleeve assembly of a telescoping electrode delivery protection sleeve device suitable for tunnelling electrical probing in accordance with the present invention;
FIG. 3 is a perspective view, partially in section, of a connector post assembly of a retractable electrode delivery sheath device adapted for electrical detection of tunnel boring in accordance with the present invention;
FIG. 4 is an expanded perspective view of a portion of the structure of a plugging assembly of a retractable electrode delivery protection sleeve device suitable for electrical detection in tunnel boring in accordance with the present invention;
FIG. 5 is an expanded perspective view of a seal assembly portion of a telescoping electrode delivery sheath device suitable for electrical detection in tunnel boring in accordance with the present invention;
FIG. 6 is an expanded perspective view of a portion of an alternative angular configuration of a plugging assembly of a retractable electrode delivery sheath device adapted for electrical detection of tunnel boring in accordance with the present invention;
FIG. 7 is an expanded perspective view of the structure of a portion of the body of the coupling mechanism of the retractable electrode delivery sheath device adapted for electrical detection of tunnel boring in accordance with the present invention;
Fig. 8 is an expanded perspective view of a connecting sleeve portion structure of a retractable electrode delivery protection sleeve device suitable for tunnel boring electrical detection in accordance with the present invention.
In the figure:
1. Surrounding rock; 2. a tunnel face; 3. drilling a channel; 4. a sleeve assembly; 401. a sleeve body; 402. positioning holes; 403. threads at the bottom of the sleeve; 404. a connecting mechanism body; 405. a bump; 406. a cable hole; 5. a plugging assembly; 501. a pressing plate; 502. a sleeve connection body; 503. a connecting pipe; 504. a cable sealing hole; 505. a switch knob; 506. grouting pipe; 507. grouting holes; 6. a seal assembly; 601. a baffle; 602. a cable plugging sheet; 603. a connecting belt; 7. connecting sleeves; 8. a discharge pipe; 9. a connecting column assembly; 901. a cable clamp; 902. a fixed block; 903. a buffer pad; 904. a fixing nut; 905. a fixing bolt; 10. and (5) a cable line.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: a retractable electrode delivery protection sleeve device suitable for tunnelling electrical detection, comprising: surrounding rock 1; the sleeve assembly 4, sleeve assembly 4 is provided with two, sleeve assembly 4 is the symmetry setting, sleeve assembly 4 is including four sleeve pipe bodies 401, the diameter of four sleeve pipe bodies 401 is for decreasing gradually the setting in proper order, the equal fixedly connected with sleeve pipe bottom screw thread 403 of one end of four sleeve pipe bodies 401, wherein the equal threaded connection of surface of three sleeve pipe bottom screw thread 403 has coupling mechanism body 404, the surface fixedly connected with of three coupling mechanism body 404 a plurality of lugs 405, a plurality of locating holes 402 have all been seted up to the surface of four sleeve pipe bodies 401, the inner wall of locating hole 402 and the surface looks block of lug 405.
As shown in fig. 1, a face 2 is disposed at one side of a surrounding rock 1, two drilling channels 3 are formed on the outer surface of the face 2, two sleeve assemblies 4 are respectively disposed in the two drilling channels 3, the face 2 is a wall in the surrounding rock 1, two inclined drilling channels 3 are disposed in front of the face 2, the lengths of the two drilling channels 3 are twenty meters, the two drilling channels are respectively inclined upwards by ten degrees and downwards by ten degrees along the tunnel axis, and two electrodes are separated by one meter.
As shown in fig. 1-3 and fig. 7, cable holes 406 are formed on the outer surfaces of the three connection mechanism bodies 404, cable wires 10 are arranged between the inner walls of the three cable holes 406, and the outer diameter of the selected cable wire 10 is one centimeter, so that the cable wires 10 can pass through the plurality of connection mechanism bodies 404 through the cable holes 406.
As shown in fig. 1-3, the outer surfaces of the two sleeve bodies 401 are respectively provided with a connecting column assembly 9, the two connecting column assemblies 9 comprise cable clamps 901, the two cable clamps 901 are respectively arranged outside the cable 10, the cable 10 can be tightly clamped by the cable clamps 901 by pressing inwards against the opening of the cable clamps 901, the opening of the cable clamps 901 is in a circular ring shape, the inner diameter of the opening is equal to the outer diameter of the cable 10, anti-skid patterns are arranged on the inner side of the opening, and the size of the opening of the cable clamps 901 is slightly smaller than the outer diameter of the cable 10.
As shown in fig. 1-3, the outer surfaces of two cable clamps 901 are welded with fixing blocks 902, the outer surfaces of two fixing blocks 902 are welded with fixing bolts 905, the outer surfaces of two fixing bolts 905 are respectively movably connected with the inner walls of two positioning holes 402, the cable clamps 901 are directed towards the inside of a sleeve body 401 by penetrating the fixing bolts 905 from one of the positioning holes 402, so that the cable clamps 901 clamp a cable 10, the cable clamps are rotatably sleeved on the fixing bolts 905 by using fixing nuts 904, one connecting column assembly 9 is located at the bottom end of the primary sleeve body 401, and the other connecting column assembly 9 is located at the top end of the secondary sleeve body 401.
As shown in fig. 1-3, the outer surfaces of the two fixing bolts 905 are respectively sleeved with a buffer washer 903 in a sliding manner, the outer surfaces of the two fixing bolts 905 are respectively sleeved with a fixing nut 904 in a threaded manner, the fixing bolts 905 penetrate through the sleeve wall and are connected with the fixing nuts 904, the buffer washer 903 is arranged between the fixing nuts 904 and the sleeve wall to play a role in buffering, and the connecting column assembly 9 is fixed at designated positions at two ends of the sleeve by screwing the fixing nuts 904.
As shown in fig. 4-6 and fig. 8, the outer surface of the screw thread 403 at the bottom of the other sleeve is connected with a plugging component 5 by screw thread, the plugging component 5 comprises a pressing plate 501, a grouting hole 507 is formed in the center of the outer surface of the pressing plate 501, a cable sealing hole 504 is formed in the outer surface of the pressing plate 501 close to the grouting hole 507, plugging of the couplant is realized by using the plugging component 5, waste caused by backflow of the couplant is prevented, and the couplant injected by the grouting pipe 506 can flow into the sleeve body 401 through the grouting hole 507, so that the couplant reaches the drilling channel 3.
As shown in fig. 4-6 and fig. 8, a sleeve connector 502 is fixedly installed on one side of a pressing plate 501, a grouting pipe 506 is fixedly connected to the other side of the pressing plate 501, a connecting sleeve 7 is sleeved on one end of the grouting pipe 506 in a threaded manner, a discharge pipe 8 is fixedly connected to the outer surface of the connecting sleeve 7, two sleeve assemblies 4 are respectively pushed into two inclined drilling channels 3, the grouting pipe 506 is connected with an external grouting machine, the introduction of a coupling agent into the drilling channels 3 is realized, a detection process is started, and after the detection is finished, waste liquid to be discharged can be discharged through the discharge pipe 8 and collected for centralized treatment, so that pollution to the environment caused by the used coupling agent flowing out of the drilling channels 3 is reduced.
As shown in fig. 4-6 and 8, the outer surface of the grouting pipe 506 is fixedly connected with a connecting pipe 503, one end of the connecting pipe 503 is provided with a switch knob 505, after detection, the switch knob 505 is turned on to enable the waste couplant to flow and discharge, and the switch knob 505 is turned off when the couplant is injected into the sleeve body 401, so that the couplant can be prevented from flowing back.
As shown in fig. 5 and 6, the sealing component 6 is fixedly connected to the other side of the pressing plate 501 near the cable sealing hole 504, the sealing component 6 comprises a connecting band 603, one end of the connecting band 603 is fixed with a baffle plate 601, the outer surface of the baffle plate 601 is adhered with a cable sealing plate 602, the outer surface of the cable sealing plate 602 is clamped with the inner wall of the cable sealing hole 504, the cable sealing plate 602 and the baffle plate 601 are both made of flexible materials, the cable sealing plate 602 is clamped into the cable sealing hole 504, the outer surface of the cable sealing plate 602 is provided with a non-slip strip, the inner wall of the cable sealing hole 504 is provided with a non-slip strip matched with the cable sealing plate 602, the cable sealing plate 602 can be tightly installed, the cable sealing plate 602 can be conveniently pulled out by means of the baffle plate 601, the connecting band 603 can fix the cable sealing plate 602, and the cable sealing plate 602 is prevented from dropping and losing during pulling out.
The application method and the working principle of the device are as follows: the face 2 is a face wall in the surrounding rock 1, two inclined drilling channels 3 are distributed along the front of the face 2, the lengths of the two drilling channels 3 are twenty meters, the two drilling channels are respectively inclined upwards by ten degrees and downwards by ten degrees along the tunnel axis, two electrodes are separated by one meter, the outer diameter of a selected cable 10 is one centimeter, the two cables 10 are respectively sent into the two inclined drilling channels 3 by using a telescopic electrode delivery protection sleeve device, meanwhile, the plugging assembly 5 is used for plugging couplant to prevent waste caused by the couplant backflow, the lengths of four sleeve bodies 401 of the sleeve assembly 4 are unified to four meters, sleeve walls are arranged on the outer surfaces of the sleeve bodies 401, the thicknesses of the sleeve walls are unified to be half centimeters, the diameters of the four sleeve bodies 401 are in a decreasing structure, the outer diameter of the primary sleeve body 401 is seven centimeters, the outer diameter of the second-stage sleeve body 401 is six-point five cm, the outer diameter of the third-stage sleeve body 401 is six cm, the outer diameter of the fourth-stage sleeve body 401 is five-point five cm, wherein the sleeve body 401 is made of resin material, a plurality of round positioning holes 402 are formed in the sleeve body 401, the circular positioning holes 402 are distributed in the radial section of the sleeve body 401 in an annular mode and are distributed at equal intervals in the axial direction, the connecting column assemblies 9 fixed at the top end and the bottom end can clamp the cable 10 conveniently, the cable clamp 901 faces the inside of the sleeve body 401 by penetrating the fixing bolt 905 through one of the positioning holes 402, the cable clamp 901 can clamp the cable 10, the cable clamp is sleeved on the fixing bolt 905 in a rotating mode by using the fixing nut 904, one connecting column assembly 9 is located at the bottom end of the first-stage sleeve body 401, the other connecting column assembly 9 is located at the top end of the fourth-stage sleeve body 401, the cable 10 can be tightly clamped by the cable clamp 901 by pressing inwards against the opening of the cable clamp 901, wherein the opening of the cable clamp 901 is in a ring shape, the inner diameter of the cable clamp is equal to the outer diameter of the cable 10, anti-slip threads are arranged on the inner side of the cable clamp 901, the opening size of the cable clamp 901 is slightly smaller than the outer diameter of the cable 10, compared with the traditional method of manually binding the cable on a PVC rod by using a plurality of nylon ropes, the method is simple to operate, the time for binding and dismounting is saved, the structure of the connecting mechanism body 404 is in a hemispherical structure, the used material is a tough material, a cable hole 406 is formed in the middle of the connecting mechanism body 404, the inner diameter of the cable hole 406 is three centimeters, the cable 10 can be supplied with electricity and penetrates through the cable hole 406, threads are arranged on the inner wall of the connecting mechanism body 404 and are connected with the threads 403 at the bottom of the sleeve of the next-stage sleeve body 401, the upper-stage sleeve body 401 can be clamped into a circle of positioning holes 402 at the top end of the upper-stage sleeve body 401 through the convex blocks 405, the two-stage sleeve body 401 is fixed through the connection of the connecting mechanism body 404, one end of the grouting pipe 506 is connected with an external grouting machine, the lower part of the grouting pipe is rotationally communicated with a discharge pipe 8 for discharging waste liquid, the outer surface of the discharge pipe 8 is provided with a switch knob 505, when the waste coupling agent is discharged after detection is finished, the diameter of the pressing plate 501 is twelve centimeters, the outer side of a circular grouting hole 507 in the center of the pressing plate 501 is connected with the grouting pipe 506, the aperture of the cable sealing hole 504 is one point five centimeters, the outer side is provided with a sealing component 6, the cable sealing piece 602 and the baffle 601 are all flexible materials, the cable sealing piece 602 is clamped into the cable sealing hole 504 through clamping the cable sealing piece 602, the outer surface of the cable sealing piece 602 is provided with a non-slip strip, the inner wall of the cable sealing hole 504 is provided with a non-slip strip matched with the cable sealing piece 602, the cable plugging piece 602 can be tightly installed, the cable plugging piece 602 can be conveniently pulled out by means of the baffle piece 601, the connecting belt 603 can fix the cable plugging piece 602, the cable plugging piece 602 is prevented from dropping and losing during pulling out, in addition, the sleeve connecting body 502 is positioned on the other side of the pressing plate 501 opposite to the grouting pipe 506, the inner wall of the sleeve connecting body is provided with threads and is connected with the primary sleeve body 401, when the device is used, firstly, in an initial state, the threads arranged on the inner wall of each connecting mechanism body 404 and the sleeve bottom threads 403 at the bottom of the next-stage sleeve body 401 are in a screwing state, the convex blocks 405 are clamped into the positioning holes 402 at the bottom end of the previous-stage sleeve body 401, at the moment, the telescopic sleeve body 401 can be folded, then the primary sleeve body 401 is connected with the sleeve connecting body 502 through the sleeve bottom threads 403, the cable 10 is stretched into the folded sleeve body 401 from the outside from the cable sealing hole 504, then one end of the cable 10 is fixed at the top end of the four-stage sleeve body 401 through the connecting post assembly 9 at the top end, then the lug 405 is pressed to separate from the positioning hole 402 at the bottom end of the one-stage sleeve body 401, the two-stage sleeve body 401 is rotated to shift the positions of the lug 405 and the positioning hole 402, the two-stage sleeve body 401 is pulled outwards along the inner side of the wall of the one-stage sleeve body 401 to the position of the positioning hole 402 at the top end, the two-stage sleeve body 401 is rotated to clamp the lug 405 into the positioning hole 402 at the top end of the one-stage sleeve body 401, the three-stage sleeve body and the four-stage sleeve body 401 are sequentially pulled out according to the sequence, and are fixed with the top end of the upper-stage sleeve body 401 through the connecting mechanism body 404, then the sleeve body 401 is completely stretched to the depth of the drilling channel 3, the connecting column assembly 9 at the bottom end of the sleeve body 401 is screwed tightly, the other end of the cable 10 is fixed at the bottom end of the primary sleeve body 401, in addition, the two sleeve assemblies 4 are respectively pushed into the two inclined drilling channels 3, the grouting pipe 506 is connected with an external grouting machine, the couplant is led into the drilling channels 3, the detection process is started, finally, after the detection is finished, the switch knob 505 is started, waste liquid is discharged through the discharge pipe 8 and collected for centralized treatment, and the pollution of the couplant to the environment is reduced.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (5)
1. A retractable electrode delivery protection sleeve device suitable for tunnelling electrical detection, comprising:
surrounding rock (1);
The sleeve assembly (4), sleeve assembly (4) are provided with two, two sleeve assembly (4) are the symmetry setting, sleeve assembly (4) are including four sleeve pipe body (401), four the diameter of sleeve pipe body (401) is the setting of diminishing in proper order, four the one end of sleeve pipe body (401) all fixedly connected with sleeve pipe bottom screw thread (403), wherein three the surface of sleeve pipe bottom screw thread (403) all threaded connection has coupling mechanism body (404), and the surface fixed connection of three coupling mechanism body (404) has a plurality of lugs (405), and a plurality of locating holes (402) have all been seted up to the surface of four sleeve pipe body (401), the inner wall of locating hole (402) and the surface looks block of lug (405) block, and wherein two the connecting column assembly (9) are all installed to the surface of sleeve pipe body (401), and two the connecting column assembly (9) all are including cable clamp (901), and two cable clamp (901) are all installed in the outside of cable wire (10), two the surface fixed bolt (902) are welded with two outer surfaces (905) of two cable clamp (905) respectively fixed bolt (902) are fixed with two fixed bolt (902) respectively, the outer surfaces of the two fixing bolts (905) are respectively sleeved with a buffer gasket (903) in a sliding mode, and the outer surfaces of the two fixing bolts (905) are respectively sleeved with a fixing nut (904) in a threaded mode;
One side of the surrounding rock (1) is provided with a tunnel face (2), two drilling holes (3) are formed in the outer surface of the tunnel face (2), and two sleeve components (4) are respectively arranged in the two drilling holes (3);
The outer surfaces of the three connecting mechanism bodies (404) are provided with cable holes (406), and cable wires (10) are arranged between the inner walls of the three cable holes (406).
2. The retractable electrode delivery protection sleeve device suitable for tunnelling electrical probing as recited in claim 1, wherein: the other outer surface threaded connection of sleeve pipe bottom screw thread (403) has shutoff subassembly (5), shutoff subassembly (5) are including clamp plate (501), grouting hole (507) have been seted up in the surface center department of clamp plate (501), cable sealing hole (504) have been seted up near grouting hole (507) department to the surface of clamp plate (501).
3. The retractable electrode delivery protection sleeve device suitable for tunnelling electrical probing as recited in claim 2, wherein: one side fixed mounting of clamp plate (501) has sleeve pipe connector (502), the opposite side fixedly connected with slip casting pipe (506) of clamp plate (501), the one end thread bush of slip casting pipe (506) is equipped with adapter sleeve (7), the surface fixed intercommunication of adapter sleeve (7) has blow off pipe (8).
4. A retractable electrode delivery protection sleeve device suitable for tunnelling electrical probing as recited in claim 3, wherein: the outer surface of slip casting pipe (506) is fixed to be linked together and is had connecting pipe (503), one end of connecting pipe (503) is provided with switch knob (505).
5. The retractable electrode delivery protection sleeve device suitable for tunnelling electrical probing as recited in claim 4, wherein: the opposite side of clamp plate (501) is close to cable seal hole (504) department fixedly connected with seal assembly (6), seal assembly (6) are including connecting band (603), one end of connecting band (603) is fixed with separation blade (601), the surface paste of separation blade (601) has cable shutoff piece (602), the surface of cable shutoff piece (602) and the inner wall looks block of cable seal hole (504).
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| CN202410110236.4A CN117627546B (en) | 2024-01-26 | 2024-01-26 | Telescopic electrode delivery protection sleeve device suitable for tunnel drilling electrical detection |
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| CN202410110236.4A CN117627546B (en) | 2024-01-26 | 2024-01-26 | Telescopic electrode delivery protection sleeve device suitable for tunnel drilling electrical detection |
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| CN117627546A (en) | 2024-03-01 |
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