CN216209973U - Multifunctional karst cave detection equipment of shield machine - Google Patents
Multifunctional karst cave detection equipment of shield machine Download PDFInfo
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- CN216209973U CN216209973U CN202122708071.5U CN202122708071U CN216209973U CN 216209973 U CN216209973 U CN 216209973U CN 202122708071 U CN202122708071 U CN 202122708071U CN 216209973 U CN216209973 U CN 216209973U
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Abstract
The utility model discloses multifunctional karst cave detection equipment of a shield machine.A cylinder body is hollow, and the bottom end of the cylinder body is fixedly connected with the top surface of a mounting plate; the mounting plate is fixedly connected with the inner side of the shield shell; the piston rod is arranged in the cylinder body, penetrates through the connecting plate and penetrates through the shield shell when being extended; the bottom end of the piston rod is provided with a probe; a penetrating type grouting channel is formed in the piston rod; the side surface of the probe is provided with a grouting hole which is communicated with the grouting channel; the middle part of the piston rod is provided with a separation bulge; the separation bulge separates the cavity between the piston rod and the cylinder body into an upper cylinder cavity and a lower cylinder cavity; an upper oil port and a lower oil port are arranged on the outer side of the cylinder body; the oil feeding port is communicated with the upper oil cylinder cavity; the lower oil port is communicated with the lower oil cylinder cavity; the stroke sensor is arranged on the outer side of the cylinder body; the utility model integrates two functions of karst cave detection and grouting, accelerates the karst cave detection processing, can be used as a shield stabilizer, and has diversified functions.
Description
Technical Field
The utility model relates to the technical field of shield tunneling machines, in particular to a multifunctional karst cave detection device of a shield tunneling machine.
Background
The shield machine is a tunnel construction device integrating functions of tunnel excavation, reinforcement, lining and the like, and can be constructed at the position of tens of meters or even hundreds of meters underground; due to the complex and various stratum environments, karst caves and other conditions can occur on the outer side of a shield shell of the shield tunneling machine in the tunneling process, the karst caves easily cause the conditions of sinking, head falling and the like of the shield tunneling machine, and if the karst caves are large, the condition that the shield tunneling machine falls into the karst caves can also occur; for a stratum with a karst cave, when a shield machine tunnels, the karst cave needs to be filled, so that advanced grouting operation is needed, external equipment is required to be accessed for the advanced grouting, the operation is troublesome and labor-consuming, and the efficiency is low; at present, the existing shield machine karst cave detection equipment only has an extension detection function, so that a novel detection equipment is needed to meet the requirement.
Disclosure of Invention
The utility model aims to provide multifunctional karst cave detection equipment of a shield machine, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a multifunctional karst cave detection device of a shield machine comprises a shield shell, a mounting plate, a probe, a cylinder body, a piston rod and a stroke sensor; the cylinder body is hollow, and the bottom end of the cylinder body is fixedly connected with the top surface of the mounting plate; the mounting plate is fixedly connected with the inner side of the shield shell; the piston rod is arranged in the cylinder body, penetrates through the connecting plate and penetrates through the shield shell when being extended; the middle part of the piston rod is provided with a separation bulge; the separation bulge separates an annular cavity between the piston rod and the cylinder body into an upper cylinder cavity and a lower cylinder cavity; the outer side surface of the cylinder body is provided with an upper oil port and a lower oil port; the oil feeding port is communicated with the upper oil cylinder cavity; the lower oil port is communicated with the lower oil cylinder cavity;
the bottom end of the piston rod is provided with a probe; a penetrating type grouting channel is formed in the piston rod; the side surface of the probe is provided with a grouting hole, and the grouting hole is communicated with the grouting channel; the stroke sensor is arranged on the outer side of the cylinder body and is parallel to the central axis of the piston rod.
Preferably, the cylinder body further comprises a top sealing sleeve and a bottom sealing sleeve, wherein the top sealing sleeve is installed at the top end of the cylinder body in an embedded mode, and the bottom sealing sleeve is installed at the bottom end of the cylinder body in an embedded mode; the piston rod penetrates through the top sealing sleeve and the bottom sealing sleeve.
Preferably, the device also comprises an O-shaped ring a; the top end of the top sealing sleeve is provided with a protruding annular flange plate; a chamfer is arranged at the edge of the inner side of the top end of the cylinder body; the O-shaped ring a is arranged in a chamfer cavity formed when the bottom surface of the flange plate is contacted with the top surface of the cylinder body.
Preferably, the inner side of the top sealing sleeve is sequentially provided with a dust ring a, two U-shaped rings a and two supporting rings a in an embedded manner from top to bottom, a U-shaped port of the U-shaped ring a positioned on the upper part of the top sealing sleeve faces the top end of the cylinder body, and a U-shaped port of the other U-shaped ring a faces the bottom end of the cylinder body; a Stent seal a is arranged between the two support rings a on the inner side of the top sealing sleeve; the dustproof ring a, the U-shaped ring a, the support ring a and the Stent seal a are respectively contacted with the cambered surface of the outer side of the piston rod penetrating through the top seal sleeve a.
Preferably, the separation bulge is provided with two support rings b and a piston seal in an embedded manner; the piston is arranged between the two support rings b in a sealing manner; the piston seal is composed of a rubber ring with a rectangular cross section and a rubber ring with a circular cross section; the rectangular section rubber ring is in contact with the cylinder body; the circular section rubber ring is in contact with the separation bulge of the piston rod.
Preferably, the piston rod is provided with a reducing type stepped boss at the lower side of the separation bulge; when the piston rod is completely extended out, the top surface of the bottom sealing sleeve is contacted with the bottom surface of the stepped boss.
Preferably, the inner side of the bottom sealing sleeve is sequentially provided with two supporting rings c, a steckel seal b, two U-shaped rings b and a dust ring b from top to bottom, a U-shaped opening of the U-shaped ring b close to the top surface of the bottom sealing sleeve faces the top end of the cylinder body, and a U-shaped opening of the other U-shaped ring b faces the bottom end of the cylinder body; and the outer side of the bottom sealing sleeve is provided with a water-stopping seal which is contacted with the inner side of the cylinder body.
Preferably, when the piston rod has the minimum stroke, the bottom surface of the probe does not exceed the outer side surface of the shield shell, and the top surface of the piston rod is higher than that of the top sealing sleeve.
Preferably, the device also comprises an O-shaped ring b; and the O-shaped ring b is arranged on the contact surface of the mounting plate and the shield shell.
Compared with the prior art, the utility model has the beneficial effects that: the utility model integrates two functions of karst cave detection and grouting, accelerates the karst cave detection processing, can be used as a shield stabilizer, and has diversified functions; when the hydraulic cylinder is used, the upper oil port is connected with a pressure pipeline of a hydraulic pump, the lower oil port is connected with a hydraulic oil tank, or the lower oil port is connected with the pressure pipeline of the hydraulic pump, the upper oil port is connected with the hydraulic oil tank, when the upper oil port is connected with the pressure pipeline of the hydraulic pump, the separation bulge can be pushed and pulled by pressurizing and decompressing the upper cylinder cavity, and the extension and shortening operations of the piston rod are further realized; when the lower oil port is connected with a pressure pipeline of the hydraulic pump, the separating bulge can be pushed and pulled by decompressing and pressurizing the lower oil cylinder cavity, and the extension and shortening operations of the piston rod are further realized; when the piston rod extends, the probe extends out of the shield shell, karst cave detection work can be carried out, the oil pressure of the cylinder body can be measured through the pressure at the external hydraulic pump, when the oil pressure of the cylinder body is rapidly reduced, the probe detects the karst cave, and at the moment, the karst cave is grouted through a grouting channel of the piston rod and a grouting hole of the probe; in the use process, the bottom sealing sleeve, the separation bulge and the sealing combination at the top sealing sleeve are adopted for sealing, so that the stable internal environment pressure of the shield shell is ensured; the stroke sensor can monitor the stroke of the piston rod in real time; the utility model extends the piston rod, and the probe is inserted into the stratum, thereby being used as a temporary shield stabilizer.
Drawings
FIG. 1 is an overall three-dimensional view of a detection apparatus of the present invention;
FIG. 2 is a full sectional view of the detection apparatus of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at I;
FIG. 4 is an enlarged view of a portion of FIG. 2 at II;
fig. 5 is a partial enlarged view of fig. 2 at iii.
In the figure: 1. a shield shell; 2. mounting a plate; 3. a probe; 4. a bottom seal cartridge; 5. a cylinder body; 6. a piston rod; 7. a top seal cartridge; 8. a travel sensor; 9. a fixed mount; 11. a connecting plate; 12. a steiner a; 13. a support ring a; 14. a U-shaped ring a; 15. a dust ring a; 16. an O-shaped ring a; 17. a support ring b; 18. sealing the piston; 19. a support ring c; 20. a steiner b; 21. a U-shaped ring b; 22. a dust ring b; 23. sealing by water stopping; 24. an O-shaped ring b; 25. an oil feeding port; 26. and a lower oil port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a multifunctional karst cave detection device of a shield machine comprises a shield shell 1, a mounting plate 2, a probe 3, a bottom sealing sleeve 4, a cylinder body 5, a piston rod 6, a top sealing sleeve 7 and a stroke sensor 8; the cylinder body 5 is hollow, and the bottom end of the cylinder body is fixedly connected with the top surface of the mounting plate 2; the mounting plate 2 is fixedly connected with the inner side of the shield shell 1; the piston rod 6 is arranged inside the cylinder body 5, the piston rod 6 penetrates through the connecting plate 11, and the piston rod 6 penetrates through the shield shell 1 when being extended; the bottom end of the piston rod 6 is provided with a probe 3; a penetrating type grouting channel is formed in the piston rod 6; the side surface of the probe 3 is provided with a grouting hole 10, and the grouting hole 10 is communicated with a grouting channel; the bottom seal sleeve 4 is embedded at the bottom end of the cylinder body 5; the top sealing sleeve 7 is installed at the top end of the cylinder body 5 in an embedded mode; the piston rod 6 penetrates through the top sealing sleeve 7 and the bottom sealing sleeve 4; the stroke sensor 8 is provided outside the cylinder 5.
Further, a fixing frame 9 for fixing a stroke sensor 8 is arranged on one side outside the cylinder body 5; the top end of the stroke sensor 8 is a telescopic end, and the top end of the stroke sensor 8 is connected with a connecting plate 11; the other end of the connecting plate 11 is sleeved at the position, close to the top end, of the outer side of the piston rod 6; the stroke sensor 8 and the central axis of the piston rod 6 are in the same plane and parallel to each other.
Further, an O-shaped ring a16 is also included; the top end of the top sealing sleeve 7 is provided with a protruding annular flange plate; a chamfer is arranged at the edge of the inner side of the top end of the cylinder body 5; the O-shaped ring a16 is arranged in a chamfer cavity formed when the bottom surface of the flange plate is contacted with the top surface of the cylinder body 5; the inner side of the top sealing sleeve 7 is sequentially embedded with a dust ring a15, two U-shaped rings a14 and two supporting rings a13 from top to bottom, the U-shaped port of the U-shaped ring a14 positioned at the upper part of the top sealing sleeve 7 faces the top end of the cylinder body 5, and the U-shaped port of the other U-shaped ring a14 faces the bottom end of the cylinder body 5; a Stent seal a12 is arranged between the two support rings a13 on the inner side of the top sealing sleeve 7; the dust ring a15, the U-shaped ring a14, the supporting ring a13 and the Stent seal a12 are respectively in contact with the outer cambered surface of the piston rod 6 penetrating through the top sealing sleeve 7.
Furthermore, a separation bulge is arranged in the middle of the piston rod 6; two support rings b17 and a piston seal 18 are embedded on the separation bulge; the piston seal 18 is arranged between the two support rings b 17; the piston seal 18 is composed of a rubber ring with a rectangular section and a rubber ring with a circular section; the rectangular section rubber ring is in contact with the cylinder body 5; the circular section rubber ring is in contact with the separation protrusion of the piston rod 6.
Further, the annular cavity between the piston rod 6 and the cylinder body 5 is divided into an upper cylinder cavity and a lower cylinder cavity by the dividing bulge; the outer side surface of the cylinder body 5 is provided with an upper oil port 25 and a lower oil port 26; the upper oil port 25 is opposite to the top of the upper oil cylinder cavity and communicated with the upper oil cylinder cavity; the lower oil port 26 is opposite to the bottom of the lower oil cylinder cavity and communicated with the lower oil cylinder cavity.
Furthermore, the piston rod 6 is provided with a reducing type step boss at the lower side of the separation bulge; when the piston rod 6 is completely extended out, the top surface of the bottom sealing sleeve 4 is contacted with the bottom surface of the stepped boss.
Furthermore, two supporting rings c19, a steckel b20, two U-shaped rings b21 and a dust ring b22 are sequentially arranged on the inner side of the bottom sealing sleeve 4 from top to bottom, a U-shaped opening of the U-shaped ring b21 close to the top surface of the bottom sealing sleeve 4 faces the top end of the cylinder 5, and a U-shaped opening of the other U-shaped ring b21 faces the bottom end of the cylinder 5; and a water-stopping seal 23 which is contacted with the inner side of the cylinder body 5 is arranged on the outer side of the bottom sealing sleeve 4.
Further, when the piston rod 6 is in the minimum stroke, the bottom surface of the probe 3 does not exceed the outer side surface of the shield shell 1, and the top surface of the piston rod is higher than that of the top sealing sleeve.
Further, an O-shaped ring b24 is also included; the O-ring b24 is arranged on the contact surface of the mounting plate 2 and the shield shell 1.
When the hydraulic pump is implemented specifically, the upper oil port 25 is connected with a pressure pipeline of the hydraulic pump, the lower oil port 26 is connected with a hydraulic oil tank, or the lower oil port 26 is connected with the pressure pipeline of the hydraulic pump, and the upper oil port 25 is connected with the hydraulic oil tank; when the upper oil port 25 is connected with a pressure pipeline of the hydraulic pump, the separation bulge can be pushed and pulled by pressurizing and decompressing the upper cylinder cavity, and the extension and shortening operations of the piston rod 6 are further realized; when the lower oil port 26 is connected with a pressure pipeline of the hydraulic pump, the separating bulge can be pushed and pulled by decompressing and pressurizing the lower oil cylinder cavity, and the extension and shortening operations of the piston rod 6 are further realized; when the piston rod 6 extends, the probe 3 extends out of the shield shell 1, and karst cave detection can be carried out; the oil pressure of the cylinder body 5 can be obtained by measuring the pressure at the external hydraulic pump, when the oil pressure of the cylinder body 5 is rapidly reduced, the probe 3 detects the karst cave, and the karst cave is grouted through the grouting channel of the piston rod 6 and the grouting hole 10 of the probe 3; in the use process, the bottom sealing sleeve 4, the separation bulge and the sealing combination at the top sealing sleeve 7 are adopted for sealing, so that the stability of the internal environment pressure of the shield shell 1 is ensured; the stroke sensor 8 can monitor the stroke of the piston rod 6 in real time; the utility model extends the piston rod 6, and the probe 3 is inserted into the stratum, thereby being used as a temporary shield stabilizer; the utility model integrates two functions of karst cave detection and grouting, accelerates the karst cave detection processing, can be used as a shield stabilizer, and has diversified functions.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a multi-functional solution cavity detection equipment of shield constructs machine which characterized in that: comprises a shield shell (1), a mounting plate (2), a probe (3), a cylinder body (5), a piston rod (6) and a stroke sensor (8); the cylinder body (5) is hollow, and the bottom end of the cylinder body is fixedly connected with the top surface of the mounting plate (2); the mounting plate (2) is fixedly connected with the inner side of the shield shell (1); the piston rod (6) is arranged inside the cylinder body (5), and the piston rod (6) penetrates through the connecting plate (11) and penetrates through the shield shell (1) when being extended; the middle part of the piston rod (6) is provided with a separation bulge; the separation bulge separates an annular cavity between the piston rod (6) and the cylinder body (5) into an upper cylinder cavity and a lower cylinder cavity; an upper oil port (25) and a lower oil port (26) are formed in the outer side surface of the cylinder body (5); the upper oil port (25) is communicated with the upper oil cylinder cavity; the lower oil port (26) is communicated with the lower oil cylinder cavity;
the bottom end of the piston rod (6) is provided with a probe (3); a penetrating type grouting channel is formed in the piston rod (6); the side surface of the probe (3) is provided with a grouting hole (10), and the grouting hole (10) is communicated with the grouting channel;
the stroke sensor (8) is arranged on the outer side of the cylinder body (5), and the central axes of the stroke sensor (8) and the piston rod (6) are on the same plane and are parallel to each other.
2. The multifunctional karst cave detection equipment for the shield tunneling machine according to claim 1, characterized in that: the cylinder body is characterized by further comprising a top sealing sleeve (7) and a bottom sealing sleeve (4), wherein the bottom sealing sleeve (4) is installed at the bottom end of the cylinder body (5) in an embedded mode; the top sealing sleeve (7) is installed at the top end of the cylinder body (5) in an embedded mode; the piston rod (6) penetrates through the top sealing sleeve (7) and the bottom sealing sleeve (4).
3. The multifunctional karst cave detection equipment for the shield tunneling machine according to claim 2, characterized in that: also comprises an O-shaped ring a (16); the top end of the top sealing sleeve (7) is provided with a protruding annular flange plate; a chamfer is arranged at the edge of the inner side of the top end of the cylinder body (5); the O-shaped ring a (16) is arranged in a chamfer cavity formed when the bottom surface of the flange plate is contacted with the top surface of the cylinder body (5).
4. The multifunctional karst cave detection equipment for the shield tunneling machine according to claim 2, characterized in that: the inner side of the top sealing sleeve (7) is sequentially provided with a dust ring a (15), two U-shaped rings a (14) and two supporting rings a (13) in an embedded mode from top to bottom, a U-shaped opening of the U-shaped ring a (14) positioned on the upper portion of the top sealing sleeve (7) faces the top end of the cylinder body (5), and a U-shaped opening of the other U-shaped ring a (14) faces the bottom end of the cylinder body (5); a Stent seal a (12) is arranged between the two support rings a (13) on the inner side of the top sealing sleeve (7); the dustproof ring a (15), the U-shaped ring a (14), the supporting ring a (13) and the Stent seal a (12) are respectively in contact with the outer arc surface of the piston rod (6).
5. The multifunctional karst cave detection equipment for the shield tunneling machine according to claim 1, characterized in that: two support rings b (17) and a piston seal (18) are embedded on the separation bulge; the piston seal (18) is arranged between the two support rings b (17); the piston seal (18) consists of a rubber ring with a rectangular section and a rubber ring with a circular section; the rectangular section rubber ring is in contact with the cylinder body (5); the circular section rubber ring is in contact with the separation bulge of the piston rod (6).
6. The multifunctional karst cave detection equipment for the shield tunneling machine according to claim 2, characterized in that: the piston rod (6) is provided with a reducing type stepped boss at the lower side of the separation bulge; when the piston rod (6) is completely extended out, the top surface of the bottom sealing sleeve (4) is contacted with the bottom surface of the stepped boss.
7. The multifunctional karst cave detection equipment for the shield tunneling machine according to claim 2, characterized in that: the inner side of the bottom sealing sleeve (4) is sequentially provided with two supporting rings c (19), a steckel seal b (20), two U-shaped rings b (21) and a dust ring b (22) from top to bottom, the U-shaped port of the U-shaped ring b (21) close to the top surface of the bottom sealing sleeve (4) faces the top end of the cylinder body (5), and the U-shaped port of the other U-shaped ring b (21) faces the bottom end of the cylinder body (5); and a water stopping seal (23) which is contacted with the inner side of the cylinder body (5) is arranged on the outer side of the bottom sealing sleeve (4).
8. The multifunctional karst cave detection equipment for the shield tunneling machine according to claim 2, characterized in that: when the piston rod (6) is in the minimum stroke, the bottom surface of the probe (3) does not exceed the outer side surface of the shield shell (1), and the top surface of the piston rod is higher than the top surface of the top sealing sleeve.
9. The multifunctional karst cave detection equipment for the shield tunneling machine according to claim 1, characterized in that: also comprises an O-shaped ring b (24); the O-shaped ring b (24) is arranged on the contact surface of the mounting plate (2) and the shield shell (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122708071.5U CN216209973U (en) | 2021-11-08 | 2021-11-08 | Multifunctional karst cave detection equipment of shield machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122708071.5U CN216209973U (en) | 2021-11-08 | 2021-11-08 | Multifunctional karst cave detection equipment of shield machine |
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| CN216209973U true CN216209973U (en) | 2022-04-05 |
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| CN202122708071.5U Active CN216209973U (en) | 2021-11-08 | 2021-11-08 | Multifunctional karst cave detection equipment of shield machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135295A (en) * | 2021-11-15 | 2022-03-04 | 中铁工程装备集团(天津)有限公司 | Multifunctional karst cave detection equipment of shield machine and working method thereof |
-
2021
- 2021-11-08 CN CN202122708071.5U patent/CN216209973U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114135295A (en) * | 2021-11-15 | 2022-03-04 | 中铁工程装备集团(天津)有限公司 | Multifunctional karst cave detection equipment of shield machine and working method thereof |
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