CN202720338U - Minor loop support device for underground transient electromagnetic method-based roadway or tunnel - Google Patents
Minor loop support device for underground transient electromagnetic method-based roadway or tunnel Download PDFInfo
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- CN202720338U CN202720338U CN 201220376674 CN201220376674U CN202720338U CN 202720338 U CN202720338 U CN 202720338U CN 201220376674 CN201220376674 CN 201220376674 CN 201220376674 U CN201220376674 U CN 201220376674U CN 202720338 U CN202720338 U CN 202720338U
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Abstract
Disclosed in the utility model is a minor loop support device for an underground transient electromagnetic method-based roadway or tunnel. The minor loop support device that comprises a four-way unit, long support tubes, and a support tube shaping board is characterized in that the four-way unit is respectively connected with one ends of the four long support tubes by four connectors; each two adjacent long support tubes are respectively connected with two ends of the support tube shaping board; ends of all the long support tubes, are respectively connected with one ends of wire fixing boards; and the other ends of all the wire fixing boards are arranged at the same side of the fixing surface formed by the support tube shaping board. Besides, 60-120-degree included angles are formed between the wire fixing boards and the fixing surface formed by the support tube shaping board. According to the utility model, the device is made of insulating materials; after the support tube shaping board and the long support tubes are assembled, no deformation occurs easily and thus the area of the fixed coil is not changed to cause no influence to the measurement result. The changes of the shape and the area of the transmitting-receiving coil can be avoided to a great degree, so that the influence on the electromagnetic signal by the device can be reduced.
Description
Technical field
The utility model belongs to the geophysical exploration technology field, is the transient electromagnetic method exploration engineering that is applied to coal mine hydrogeology prevention of problem and Propagation in Tunnel Disaster Detection Techniques field, relates to tunnel, a kind of underground transient electromagnetic method lane with little loop line holder device.
Background technology
Underground transient electromagnetic method is mainly used in adopting the sky pools zone and containing the permeable structure prediction of the inner potential threat in coal mine roadway rock stratum, and geological hazards prediction etc. in engineering tunnel and the air defence work.Because of the restriction in underground construction space, can only adopt the length of side less than 2 meters little wire-retracting device as transmit-receive unit.In addition, Minepit environment is special, and the little loop line holder device of holonomic system is difficult for being brought into to the down-hole by the ground well head, and transports in the tunnel and also have difficulties.Holder device commonly used is easy device at present, namely uses the pvc pipe of 1 meter of four length, and two connect into one, consist of foursquare two opposite side, small multi-turn loop is fixed on the loop line manually launches, and forms square loop line.But this holder device is unstable, and the loop line area changes in the process of work, thereby electromagnetic signal is exerted an influence.From the technical point of view, little loop line holder device need to satisfy following requirement:
(1) loop line of 2 * 2m is fully launched, and remain that shape does not change, alleviate thus the loop line area change to the impact of electromagnetic signal;
(2) device materials avoids inducing extra electromagnetic signal for insulation class material, increases the weight of electromagnetic interference (EMI);
(3) can dismantle, can carry from well head smoothly and enter road, lane (tunnel).
The utility model content
The purpose of this utility model is to solve the existing unsettled problem of holder device, satisfies simultaneously the technical requirement of holder device design, provides a kind of tunnel, underground transient electromagnetic method lane of using in the underground finite space of being applicable to little loop line holder device.
The technical solution of the utility model: it comprises four-way, support long tube and arm shape keeping plate for sealing, described four-way is connected with an end of four support long tubes respectively by four connectors, two adjacent support long tubes are connected with the two ends of arm shape keeping plate for sealing respectively, the end of each support long tube is connected with an end of solidus plate respectively, and the other end position of each solidus plate is in the same side of the stationary plane that is comprised of the arm shape keeping plate for sealing.
Preferably: described solidus plate forms 60-120 angles of spending with the stationary plane that is comprised of the arm shape keeping plate for sealing.
Further preferred: connecting hole in the middle of described support long tube middle part is provided with, the end of support long tube is provided with terminal connecting hole, and described solidus plate is connected with the terminal connecting hole of support long tube, and described solidus plate is vertical with the stationary plane that is formed by the arm shape keeping plate for sealing.
The axially bored line direction of the axially bored line direction of connecting hole and terminal connecting hole is mutually vertical in the middle of described.
Described arm shape keeping plate for sealing adopts eight, per two partner, the two ends of arm shape keeping plate for sealing are respectively equipped with connecting hole, the two ends connecting hole of a pair of arm shape keeping plate for sealing is connected to respectively the both sides of the middle connecting hole on two adjacent support long tubes by insulating screw, the axially bored line direction of middle connecting hole is mutually vertical with the arm shape keeping plate for sealing; Described solidus plate adopts eight, per two partner, the two ends of solidus plate are respectively equipped with connecting hole, and an end connecting hole of a pair of solidus plate is connected to the both sides of the terminal connecting hole of support long tube by insulating screw, and another connecting hole of a pair of solidus plate is connected with insulating screw.
The both sides of the terminal connecting hole of support long tube are respectively rubbing surface, and an end joint face of the solidus plate that is connected with the terminal connecting hole of support long tube is rubbing surface.
The rubbing surface of the both sides of the rubbing surface of solidus plate and support long tube is respectively the zigzag locating surface.
The utility model is made of insulating material, thereby can not produce interference to measuring-signal; Can dismantle, be easy to be carried into underground passage by the ground well head; Be difficult for deforming after arm shape keeping plate for sealing and the assembling of support long tube, and then can not make the area coil of being fixed change and measurement result is exerted an influence, scientifically satisfy the technical requirement of little loop line holder device design, realize that transient electromagnetic method continuously, is stably followed the tracks of detection in tunnel or the tunnel, avoid largely because of variations such as send-receive coil shape, areas, and then reducer impact that electromagnetic signal is brought itself.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of the utility model embodiment 1 four-way.
Fig. 3 is the structural representation of the utility model embodiment 1 arm shape keeping plate for sealing.
Fig. 4 is the structural representation of the utility model embodiment 1 support long tube.
Fig. 5 is the structural representation of the utility model embodiment 1 solidus plate.
Fig. 6 is the utility model embodiment 1 local syndeton schematic diagram.
Among the figure: four-way 1, arm shape keeping plate for sealing 2, support long tube 3, solidus plate 4, insulating screw 5
Embodiment
Embodiment 1: now by reference to the accompanying drawings embodiment is described further:
As shown in Figure 2, four-way 1 is the core component of the utility model device, plays the effect that connects rigid stent long tube 3.It is welded by four 0.2 meter long polyvinyl chloride pipe afterbody pairwise orthogonals, and is welded and fixed at head with connecting pipe.
Shown in Fig. 3,4,5, arm shape keeping plate for sealing 2 and support long tube 3 are made by pvc material, be hard structure, totally four of support long tubes 3, long 1.4 meters, consisted of together the grown form of little loop line holder device by itself and four-way 1, totally 8 of arm shape keeping plate for sealings 2, are fixed four support long tubes 3 with it and are made the support long tube keep stable angle by long 1 meter, simultaneously, in little loop line holder device moves, play and hold supporting role.Solidus plate 4 material therefors are identical with arm shape keeping plate for sealing 2, and totally 8, long 0.2 meter, be installed in the end of support long tube 3, solidus plate 4 two ends respectively are provided with connecting hole, and a stomidium is connected with the end aperture of support long tube 3, another stomidium is used for fixedly transient electromagnetic working coil, thereby realizes the effect of wire clamp.
As shown in Figure 6, support long tube 3 middle parts and the afterbody of pvc material respectively have a connecting hole, and the axis direction in two holes is mutually vertical.The two ends of two arm shape keeping plate for sealings 2 are fixed on respectively the middle connecting hole at two adjacent support long tube 3 middle parts with the insulating screw 5 of nylon material, the axially bored line direction of middle connecting hole is mutually vertical with arm shape keeping plate for sealing 2, simultaneously, two blocks of solidus plates, 4 usefulness insulating screws are fixed on the terminal connecting hole of support long tube 3, the stationary plane that is formed by arm shape keeping plate for sealing 2 is vertical with solidus plate 4.The transient electromagnetic working coil is embedded into two solidus plate 4 inside, and fixes at another stomidium place with insulating screw 5.
The present embodiment 1 one-piece construction as shown in Figure 1, it comprises four-way 1, support long tube 3 and arm shape keeping plate for sealing 2, described four-way 1 is connected with an end of four support long tubes 3 respectively by four connectors, two adjacent support long tubes 3 are connected with the two ends of arm shape keeping plate for sealing 2 respectively, and the end of each support long tube 3 is connected with an end of solidus plate 4 respectively.
Common described solidus plate 4 forms 60-120 angles of spending with the stationary plane that is comprised of arm shape keeping plate for sealing 2.In the present embodiment, in the situation that the 2 fixing lower generations of arm shape keeping plate for sealing are crooked, described solidus plate 4 is vertical with the stationary plane that is formed by arm shape keeping plate for sealing 2 when support long tube 3.In the situation that arm shape keeping plate for sealing 2 is fixed lower produce crooked (being in order to make support long tube 3 in tension lower), described solidus plate 4 also is vertical with the stationary plane that is formed by arm shape keeping plate for sealing 2 when support long tube 3, and solidus plate 4 is such as four inclines of square.The other end position of each solidus plate 4 is in the same side of the stationary plane that is formed by arm shape keeping plate for sealing 2.The other end position of solidus plate 4 also is in the same side of the stationary plane that is formed by arm shape keeping plate for sealing 2 when producing bending, a side of namely little loop line support curved concave.
Connecting hole in the middle of described support long tube 3 middle parts are provided with, the end of support long tube 3 is provided with terminal connecting hole, and the axially bored line direction of described middle connecting hole and the axially bored line direction of terminal connecting hole are mutually vertical.
The support long tube 3 of four pvc materials is inserted into respectively in four holes of four-way 1, eight pipe shape keeping plate for sealings 2 of drawing money on credit are connected to respectively in twos the middle part of support long tube 3 with insulating screw, form stable square structure, then eight solidus plates 4 are separately fixed at the end of support long tube 3, after the transient electromagnetic working coil embeds, again the other end is fixed, so far formed stable transient electromagnetic method measurement mechanism.When in underground activities, needing mobile device, can hold the dual-side of inner square arm shape keeping plate for sealing, namely removable after lifting.
Claims (7)
1. tunnel, a underground transient electromagnetic method lane is with little loop line holder device, it comprises four-way (1), support long tube (3) and arm shape keeping plate for sealing (2), it is characterized in that described four-way (1) is connected with an end of four support long tubes (3) respectively by four connectors, adjacent two support long tubes (3) are connected with the two ends of arm shape keeping plate for sealing (2) respectively, the end of each support long tube (3) is connected with an end of solidus plate (4) respectively, and the other end position of each solidus plate (4) is in the same side of the stationary plane that is comprised of arm shape keeping plate for sealing (2).
2. tunnel, underground transient electromagnetic method lane according to claim 1 is characterized in that with little loop line holder device described solidus plate (4) and the stationary plane that is comprised of arm shape keeping plate for sealing (2) form the angle of 60-120 degree.
3. tunnel, underground transient electromagnetic method lane according to claim 1 and 2 is with little loop line holder device, it is characterized in that described support long tube (3) middle part is provided with middle connecting hole, the end of support long tube (3) is provided with terminal connecting hole, described solidus plate (4) is connected with the terminal connecting hole of support long tube (3), and described solidus plate (4) is vertical with the stationary plane that is formed by arm shape keeping plate for sealing (2).
4. tunnel, underground transient electromagnetic method lane according to claim 3 is with little loop line holder device, it is characterized in that described in the middle of the axially bored line direction of the axially bored line direction of connecting hole and terminal connecting hole mutually vertical.
5. tunnel, underground transient electromagnetic method lane according to claim 4 is with little loop line holder device, it is characterized in that described arm shape keeping plate for sealing (2) adopts eight, per two partner, the two ends of arm shape keeping plate for sealing (2) are respectively equipped with connecting hole, the two ends connecting hole of a pair of arm shape keeping plate for sealing (2) is connected to respectively the both sides of the middle connecting hole on adjacent two support long tubes (3) by insulating screw (5), the axially bored line direction of middle connecting hole is mutually vertical with arm shape keeping plate for sealing (2); Described solidus plate (4) adopts eight, per two partner, the two ends of solidus plate (4) are respectively equipped with connecting hole, one end connecting hole of a pair of solidus plate (4) is connected to the both sides of the terminal connecting hole of support long tube (3) by insulating screw (5), another connecting hole of a pair of solidus plate (4) is connected with insulating screw (5).
6. tunnel, underground transient electromagnetic method lane according to claim 4 is with little loop line holder device, the both sides that it is characterized in that the terminal connecting hole of support long tube (3) are respectively rubbing surface, and an end joint face of the solidus plate (4) that is connected with the terminal connecting hole of support long tube (3) is rubbing surface.
7. tunnel, underground transient electromagnetic method lane according to claim 6 is with little loop line holder device, it is characterized in that the rubbing surface of the both sides of the rubbing surface of solidus plate (4) and support long tube (3) is respectively the zigzag locating surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376674 CN202720338U (en) | 2012-08-01 | 2012-08-01 | Minor loop support device for underground transient electromagnetic method-based roadway or tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376674 CN202720338U (en) | 2012-08-01 | 2012-08-01 | Minor loop support device for underground transient electromagnetic method-based roadway or tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202720338U true CN202720338U (en) | 2013-02-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220376674 Expired - Fee Related CN202720338U (en) | 2012-08-01 | 2012-08-01 | Minor loop support device for underground transient electromagnetic method-based roadway or tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202720338U (en) |
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2012
- 2012-08-01 CN CN 201220376674 patent/CN202720338U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20130801 |