CN211480858U - Monitoring cable pre-embedding device in diversion tunnel lining - Google Patents
Monitoring cable pre-embedding device in diversion tunnel lining Download PDFInfo
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- CN211480858U CN211480858U CN202020261455.XU CN202020261455U CN211480858U CN 211480858 U CN211480858 U CN 211480858U CN 202020261455 U CN202020261455 U CN 202020261455U CN 211480858 U CN211480858 U CN 211480858U
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- monitoring cable
- pipe
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- tunnel lining
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Abstract
The utility model provides a monitoring cable pre-buried device in diversion tunnel lining cutting, including burying underground at the inside tee bend sleeve pipe of lining cutting, locate the intraductal accumulator of tee bend sleeve, the accumulator includes the wrapping post, with the sealed lid of wrapping post connection, the monitoring cable is drawn to the horizontal pipe of pre-buried point and overcoat sealing washer entering accumulator from tunnel monitoring node, and along the wrapping post winding of accumulator, horizontal pipe both ends use sealed lid and sealed bolt seal formation inclosed line chamber that stores up, the monitoring cable end is connected with sealed bolt, lead wire pillar and equipment pillar are connected respectively to the upper and lower both ends of the vertical pipe of tee bend sheathed tube, and the segmentation extension is outside the lead wire pillar extends to the tunnel lining cutting, the equipment pillar extends to tunnel country rock and tunnel lining cutting interface, the segmentation top is gone up to the lead wire pillar and the equipment pillar is used sealed lid respectively bottom the segmentation bottom. The utility model provides an among the prior art monitoring cable pull need lead to its damage and the difficult problem of consuming time and power at lining cutting surface fluting.
Description
Technical Field
The utility model relates to a bury a construction field in tunnel lining cutting, specifically be a monitoring cable is pre-buried device in diversion tunnel lining cutting.
Background
The path that diversion tunnel in hydraulic engineering will pass through has the characteristics that the geological environment is complicated, uncertain factor is many, takes place easily because the accident that causes such as geological conditions worsen, structural damage. The long distance of the long-distance diversion tunnel is usually more than tens of kilometers. When the water delivery tunnel is put into operation, pressurized liquid water is filled in the tunnel. The characteristics determine that the tunnel lining structure and the surrounding rock safety monitoring equipment are difficult to implement during operation.
During construction of the diversion tunnel, monitoring equipment is installed at a measuring point, and then a monitoring cable is pulled along with the pouring progress of the lining until a centralized monitoring node which is convenient to observe is obtained. For monitoring equipment omitted in the lining pouring process or monitoring equipment needing to be newly added in the operation period, a mode of drilling holes in the poured lining to install the monitoring equipment and grooving the surface of the lining to pull the monitoring cable is needed. However, grooving the surface of a lining is not only time and labor consuming, increases construction costs, but also can cause damage to the lining structure. In the diversion tunnel, high-pressure and high-flow water flow can be continuously washed away, and concrete backfilled by grooves on the surface is very easy to damage.
SUMMERY OF THE UTILITY MODEL
The utility model provides a monitoring cable pre-buried device in diversion tunnel lining cutting, pre-buried monitoring cable is to installing the monitoring facilities position in the lining cutting in advance, and the monitoring facilities installation back of being convenient for directly links to each other with the monitoring cable, has solved among the prior art at lining cutting surface fluting pull cable consuming time power, increase engineering cost, and can produce the problem of destruction to the lining structure.
The utility model adopts the technical proposal that:
the utility model provides a monitoring cable pre-buried device in diversion tunnel lining cutting, bury at the inside tee bend sleeve pipe of lining cutting, locate the intraductal accumulator of tee bend sleeve including three, the accumulator includes the wrapping post, with the sealed lid of wrapping post connection, the monitoring cable is drawn to pre-buried point and the horizontal pipe that outer sealing washer got into the accumulator from tunnel monitoring node, and twine along the wrapping post of accumulator, sealed lid and the sealed inclosed line chamber that forms of sealed bolt are used to horizontal pipe both ends, monitoring cable end is connected with sealed bolt, lead wire pillar and equipment pillar are connected respectively to the upper and lower both ends of the vertical pipe of tee bend sheathed tube, and the segmentation extension paper is outside the tunnel lining cutting is extended to the tunnel lining cutting, the equipment pillar extends to tunnel country rock and tunnel lining cutting interface, lead wire pillar top and equipment pillar segmentation bottom use sealed lid respectively to go up most.
Further, the wire storage device further comprises a sealing cover arranged at one end of the winding post, a wire inlet hole arranged in the sealing cover, and a wire outlet hole arranged in the winding post and communicated with the wire inlet hole, wherein the monitoring cable jacket sealing ring enters the winding post from the wire inlet hole of the sealing cover, and is wound on the winding post along the wire outlet hole.
Furthermore, the sealing bolt is provided with a hook used for being connected with the end of the monitoring cable.
Furthermore, the equipment protection pipe is provided with two ports which are both open, and a plurality of equipment protection pipes are connected in series by connecting sleeves and used as a channel for embedding monitoring equipment; the lead protective tube is provided with two ports which are both open, and a plurality of lead protective tubes are connected in series by a connecting sleeve and used for drawing the monitoring cable to the outside of the measuring hole.
Furthermore, the upper end and the lower end of the vertical pipe of the three-way sleeve are respectively connected with a lead protective pipe and an equipment protective pipe through connecting sleeves, and the lead protective pipe and the equipment protective pipe are lengthened through the connecting sleeves.
Furthermore, the tee bend sleeve pipe includes first port, second port, third port, fourth port, and first port and third port are the upper and lower both ends of vertical pipe, use adapter sleeve and upper and lower segmentation pillar connection, and second port and fourth port are both ends about horizontal pipe, adopt the sealed lid of sealed bolt and accumulator airtight formation monitoring cable storage wire chamber respectively for place the wrapping post of winding monitoring cable.
Furthermore, the monitoring cable storage cavity is filled with a polyurethane foaming agent.
Further, the seal ring is made of a rubber material.
Compared with the prior art, the utility model, following beneficial effect has:
1. a wire storage cavity is formed in the three-way sleeve through the sealing bolt and the sealing cover on the wire storage device, and the wire inlet hole on the wire storage device is wrapped by the monitoring cable through the sealing ring, so that the tightness of the wire storage cavity is improved;
2. the wire storage device is provided with a winding post for storing the monitoring cable, so that the monitoring cable can be conveniently stored; the sealing bolt is provided with a hook which is connected with the monitoring cable so as to facilitate the leading-out of the monitoring cable;
3. the other two ports of the three-way casing pipe are respectively lengthened by adopting a small-section lead protective pipe and an equipment protective pipe, and the installation can be completed by pulling out the sealing bolt and connecting the monitoring cable after the monitoring equipment is buried, so that the problems that the time and the labor are consumed, the engineering cost is increased and the lining structure is damaged when the cable is grooved and pulled on the lining surface in the prior art are solved;
4. the wire storage cavity is filled with the polyurethane foaming agent, the slurry can not flow into the wire storage cavity to solidify the cable after the shell is damaged, and the monitoring cable can be smoothly taken out and connected, so that the reliability and the practicability of the device are improved;
5. the monitoring cable is buried inside the lining, so that the monitoring cable can be safely used in the environments of high water pressure, high-speed water flow and the like of a diversion tunnel project, and the application range is further enlarged;
6. adopt pre-buried device of monitoring cable, leading the pre-buried monitoring cable of water transportation tunnel key region (wearing fault, surrounding rock rich water), the longer life of make full use of monitoring cable still leaves the benefit under the above-mentioned regional monitoring facilities damaged condition and buries and monitor the passageway of reading, has improved the security of engineering effectively.
Drawings
Fig. 1 is a schematic structural view of one embodiment of the monitoring cable pre-burying device in the diversion tunnel lining of the utility model;
FIG. 2 is a schematic structural view of a connection sleeve according to the present invention;
FIG. 3 is a schematic structural view of the middle three-way bushing of the present invention;
fig. 4 is a schematic axial cross-sectional structure view of the wire storage device of the present invention;
fig. 5 is the cross section structure schematic diagram of the utility model discloses well accumulator.
In the figure: 1-sealed lid, 2-equipment pillar, 3-adapter sleeve, 3 a-wall, 4-tee bend sleeve pipe, 4 a-first port, 4 b-second port, 4 c-third port, 4 d-fourth port, 5-lead wire pillar, 6-sealing bolt, 7-accumulator, 7 a-wrapping post, 7 b-wire outlet, 7 c-wire inlet, 7 d-sealed lid, 8-sealing washer, 9-monitoring cable, 10-monitoring node, 11-tunnel country rock, 12-tunnel lining.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Fig. 1 shows that the utility model discloses the structural schematic diagram of one of them embodiment of monitoring cable pre-buried device in diversion tunnel lining cutting, monitoring cable pre-buried device includes sealed lid 1, equipment pillar 2, adapter sleeve 3, tee bend sleeve pipe 4, lead wire pillar 5, seal bolt 6, accumulator 7, sealing washer 8 (can be made by rubber materials), monitoring cable 9 in the diversion tunnel lining cutting.
The connecting sleeve 3 has two ports, both of which are open, and a partition 3a (shown in fig. 2) is arranged in the middle for positioning and connecting the upper and lower sections of the protective pipe. The protective tubes are respectively an equipment protective tube 2 and a lead protective tube 5.
The equipment protecting pipe 2 is provided with two ports which are both open ends, the length is 40cm, and a plurality of equipment protecting pipes 2 can be connected in series and long by the connecting sleeve 3 until the equipment protecting pipe 2 extends to the interface of the tunnel surrounding rock 11 and the tunnel lining 12 to be used as a channel for embedding and monitoring equipment. The lead protective pipe 5 is provided with two ports which are both open and 20cm long, and a plurality of lead protective pipes 5 can be connected in series by the connecting sleeve 3 and are long until the lead protective pipe 5 extends out of the tunnel lining 12 and is used for drawing the monitoring cable 9 out of the measuring hole.
As shown in fig. 3, the three-way sleeve 4 includes a first port 4a, a second port 4b, a third port 4c, and a fourth port 4d, the first port 4a and the third port 4c are both ends of a vertical pipe, and are connected to a vertical segmented protective pipe by using a connection sleeve 3, the second port 4b and the fourth port 4d are both ends of a horizontal pipe, and a monitoring cable storage cavity is formed by sealing a sealing cap 7d of a sealing bolt 6 and a storage device 7.
As shown in fig. 4 and 5, the wire storage device 7 includes a winding post 7a, a sealing cover 7d disposed at one end of the winding post 7a, a wire inlet hole 7c disposed in the sealing cover 7d, and a wire outlet hole 7b disposed in the winding post 7a and communicated with the wire inlet hole 7c, wherein the monitoring cable 9 is sleeved with a sealing ring 8, which enters the winding post 7a from the wire inlet hole 7c of the sealing cover 7d, and is wound along the winding post 7a at the same distance from the wire outlet hole 7 b. The winding post 7a is positioned in the transverse pipe of the three-way sleeve 4, the outer end of the transverse pipe, namely the fourth port 4d of the three-way sleeve 4, is sealed by a sealing cover 7d, and the inner end of the transverse pipe, namely the second port 4b of the three-way sleeve 4, is sealed by a sealing bolt 6.
The sealing bolt 6 is provided with a hook which is connected with the end of the monitoring cable 9, and the sealing bolt 6 can pull the monitoring cable 9 to the outside of the measuring hole.
Preferably, the cable storage cavity of the monitoring cable is filled with a polyurethane foaming agent, so that slurry is prevented from flowing into the cable storage cavity to solidify the cable after the shell is damaged, and the monitoring cable can be smoothly taken out and connected.
Use the utility model discloses carry out the pre-buried method of monitoring cable in diversion tunnel lining cutting, including following step:
step one, assembling a wire storage device: leading a monitoring cable 9 from a tunnel monitoring node 10 to a pre-buried point, leading the monitoring cable 9 to pass through a central hole of a sealing ring 8, entering the inside of a winding post 7a from a wire inlet hole 7c of a sealing cover 7d in a wire storage device 7, pulling out the monitoring cable 9 from a wire outlet hole 7b of the winding post 7a, winding the monitoring cable from the bottom to the top of the winding post 7a, and then screwing the sealing ring 8 into the wire inlet hole 7 c;
step two, three-way sleeve connection: a winding post 7a of the wire storage device 7 is inserted into the three-way sleeve 4 from the fourth port 4d of the three-way sleeve 4, the end of the monitoring cable 9 is connected to a hook of the sealing bolt 6, and the sealing bolt 6 is screwed from the second port 4b of the three-way sleeve 4;
step three, installing and lengthening a protective pipe: the upper and lower two ports of the three-way sleeve 4, namely the first port 4a and the third port 4c, are respectively connected with the lead protective tube 5 and the equipment protective tube 2 by the connecting sleeve 3, and the lead protective tube 5 and the equipment protective tube 2 are lengthened by the connecting sleeve 3. The specific installation process is as follows:
step 301: the lower port of the first connecting sleeve 3 is sleeved with the first port 4a of the three-way sleeve 4, the lowest section of the lead protecting tube 5 is inserted into the upper port of the first connecting sleeve 3, the upper port of the second connecting sleeve 3 is sleeved with the third port 4c of the three-way sleeve 4, and the uppermost section of the equipment protecting tube 2 is inserted into the lower port of the second connecting sleeve 3;
step 302: the upper and lower protective tubes are lengthened, the lowest section of the lead protective tube 5 is sleeved in the lower port of the third connecting sleeve 3, and the upper section of the lead protective tube 5 is inserted into the upper port of the third connecting sleeve 3; the upper port of the fourth connecting sleeve 3 is sleeved into the uppermost section of the equipment protecting pipe 2, and the next section of the equipment protecting pipe 2 is inserted into the lower port of the fourth connecting sleeve 3;
step 303: and step 202 is repeated until the lead protecting tube 5 extends out of the tunnel lining 12, the equipment protecting tube 2 extends to the interface of the tunnel surrounding rock 11 and the tunnel lining 12, the top of the lead protecting tube 5 is covered with a sealing cover 1, and the bottom of the equipment protecting tube 2 is covered with the sealing cover 1.
Step four, monitoring cable traction: after the monitoring equipment is installed at the bottom of the equipment protective pipe 2, the sealing bolt 6 is screwed out, the monitoring cable 9 is pulled out, the monitoring cable 9 can be connected with the monitoring equipment and embedded into the upper three-way sleeve 4, the installation is completed by backfilling and grouting, and the observation reading can be carried out at the tunnel monitoring node 10.
The above description is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a monitoring cable pre-buried device in diversion tunnel lining cutting which characterized in that: comprises a three-way sleeve (4) buried in the lining, and a wire storage device (7) arranged in the three-way sleeve (4), wherein the wire storage device (7) comprises a winding post (7a) and a sealing cover (7d) connected with the winding post (7a), a monitoring cable (9) is led to a pre-buried point from a tunnel monitoring node and is sleeved with a sealing ring (8) to enter a transverse pipe of the wire storage device (7) in a sleeved mode, and is wound along the winding post (7a) of the wire storage device (7), the two ends of the transverse pipe are sealed by the sealing cover (7d) and a sealing bolt (6) to form a sealed wire storage cavity, the end of the monitoring cable (9) is connected with the sealing bolt (6), the upper end and the lower end of a vertical pipe of the three-way sleeve (4) are respectively connected with a lead protective pipe (5) and an equipment protective pipe (2), and the equipment protective pipe (2) is lengthened in a segmented mode until the lead protective pipe (5) extends out of the tunnel lining (12), the equipment protective pipe (2) extends, the top of the uppermost section of the lead protective tube (5) and the bottom of the lowermost section of the equipment protective tube (2) are respectively sealed by a sealing cover (1).
2. The pre-buried device of monitoring cable in diversion tunnel lining of claim 1, characterized in that: the wire storage device (7) further comprises a sealing cover (7d) arranged at one end of the winding post (7a), a wire inlet hole (7c) arranged in the sealing cover (7d), and a wire outlet hole (7b) arranged in the winding post (7a) and communicated with the wire inlet hole (7c), wherein a monitoring cable (9) is sleeved with a sealing ring (8) to enter the winding post (7a) from the wire inlet hole (7c) of the sealing cover (7d), and the monitoring cable is wound on the winding post (7a) from the wire outlet hole (7 b).
3. The pre-buried device of monitoring cable in diversion tunnel lining of claim 1, characterized in that: and a hook used for being connected with the end of the monitoring cable (9) is arranged on the sealing bolt (6).
4. The pre-buried device of monitoring cable in diversion tunnel lining of claim 1, characterized in that: the equipment protection pipes (2) are provided with two ports which are both open, and a plurality of equipment protection pipes (2) are connected in series by connecting sleeves (3) and are used as channels for embedding monitoring equipment; the lead protective tube (5) is provided with two ports which are open, and a plurality of lead protective tubes (5) are connected in series by the connecting sleeve (3) and used for drawing the monitoring cable (9) to the outside of the measuring hole.
5. The pre-buried device of monitoring cable in diversion tunnel lining of claim 1, characterized in that: the upper end and the lower end of a vertical pipe of the three-way sleeve (4) are respectively connected with the lead protective pipe (5) and the equipment protective pipe (2) through the connecting sleeve (3), and the lead protective pipe (5) and the equipment protective pipe (2) are lengthened through the connecting sleeve (3).
6. The pre-buried device of monitoring cable in diversion tunnel lining of claim 1, characterized in that: tee bend sleeve pipe (4) include first port (4a), second port (4b), third port (4c), fourth port (4d), first port (4a) and third port (4c) are vertical both ends from top to bottom of managing, use adapter sleeve (3) and upper and lower segmentation pillar union coupling, both ends about second port (4b) and fourth port (4d) are horizontal pipe, adopt sealed lid (7d) of sealed bolt (6) and accumulator (7) respectively airtight formation monitoring cable to store up the line chamber for place wrapping post (7a) of winding monitoring cable (9).
7. The diversion tunnel lining inner monitoring cable embedding device of claim 6, wherein: the monitoring cable storage cavity is filled with a polyurethane foaming agent.
8. The pre-buried device of monitoring cable in diversion tunnel lining of claim 1, characterized in that: the sealing ring (8) is made of rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020261455.XU CN211480858U (en) | 2020-03-05 | 2020-03-05 | Monitoring cable pre-embedding device in diversion tunnel lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020261455.XU CN211480858U (en) | 2020-03-05 | 2020-03-05 | Monitoring cable pre-embedding device in diversion tunnel lining |
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| Publication Number | Publication Date |
|---|---|
| CN211480858U true CN211480858U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020261455.XU Expired - Fee Related CN211480858U (en) | 2020-03-05 | 2020-03-05 | Monitoring cable pre-embedding device in diversion tunnel lining |
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| CN (1) | CN211480858U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111244859A (en) * | 2020-03-05 | 2020-06-05 | 长江水利委员会长江科学院 | Device and method for embedding monitoring cable in diversion tunnel lining |
-
2020
- 2020-03-05 CN CN202020261455.XU patent/CN211480858U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111244859A (en) * | 2020-03-05 | 2020-06-05 | 长江水利委员会长江科学院 | Device and method for embedding monitoring cable in diversion tunnel lining |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200911 Termination date: 20210305 |