CN212250057U - Karst cave filling device - Google Patents
Karst cave filling device Download PDFInfo
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- CN212250057U CN212250057U CN202020489503.0U CN202020489503U CN212250057U CN 212250057 U CN212250057 U CN 212250057U CN 202020489503 U CN202020489503 U CN 202020489503U CN 212250057 U CN212250057 U CN 212250057U
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- grouting
- expansion frame
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- sleeve
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Abstract
The utility model relates to a solution cavity filling device, which comprises an excavating module, a grouting module and a force expansion frame module, wherein a grouting pipe is arranged inside a drill rod in a penetrating way, and the grouting pipe is communicated with a grouting opening; the sleeve is detachably arranged on the outer surface of the drill rod and close to the front end, a sliding groove is formed in the outer side of the sleeve, a clamping groove is formed in the rear end of the sliding groove, the front end of the extensible and retractable force expansion frame body is fixed to the front end of the sleeve, the rear end of the force expansion frame body comprises a magnetic unit which can be slidably arranged in the sliding groove, an electromagnet arranged in the sleeve changes magnetic poles through the change of the current direction, when the electromagnet applies attraction force to the magnetic unit, the force expansion frame body is extended, and when the electromagnet applies repulsion force to the magnetic unit, the force expansion frame body expands towards the outside of the sleeve.
Description
Technical Field
The utility model relates to a solution cavity filling technical field, in particular to solution cavity filling device and filling method thereof.
Background
China is one of the most widely distributed countries in the world, with the rapid development of economy, road bridge and tunnel engineering projects are continuously increased, and many projects pass through karst cave areas. Geological disasters in karst cave areas frequently occur and have high risks. Certain economic loss is brought to the country and people. In tens of karst tunnels built in the south-middle and south-west areas of China, more than half of the tunnels have larger karst disasters, such as round beam mountain tunnels and singe mountain tunnels of Yuhuai lines, Nanling tunnels of Hengguan railway multi-lines, new water tunnel of Jiliu multi-lines, Tianjia slope tunnels of Dawan railways, and Dayao mountain tunnels of Jingguan multi-lines, and the like, so that the construction process has multiple karst disasters (water inrush and collapse) and casualties. Disasters such as water burst, mud burst and the like with different scales are easily caused or burst in the process of tunnel engineering construction in a karst area, once the disasters occur, normal construction progress is blocked, machines are flushed and the tunnel is submerged, so that the construction period is delayed, heavy casualties are caused, huge economic loss is generated, and even the tunnel is forced to be stopped or changed.
In addition, the long-term harm to construction and operation caused by the hidden cave treatment problem in construction of the Xiong railway Dabaoshan tunnel and the Dayaoshan tunnel is not completely solved so far. Karst cave geology is a special geology, and has higher technical requirements on road bridge and tunnel engineering construction and higher construction difficulty.
The damage of the karst cave to the tunnel is mainly divided into four types, namely that the existence of the cave makes the building totally or partially suspended, the cave deposits are easy to collapse and sink due to softness, the stability of the building is influenced, the construction and operation are difficult due to the invasion of karst cave water, the karst cave collapse occurs at the top of the tunnel due to the loss of underground water in the tunnel, the environment geology is damaged, and the construction cost and the construction period are influenced by all the damages, so that the construction and operation safety is endangered.
The existing karst cave treatment mainly comprises filling and grouting, the phenomena of incomplete filling, unexpected filling strength and the like can occur, certain influence is caused on subsequent construction, and the construction technology is not mature.
The above information disclosed in this background section is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not form the prior art that is already known in this country to a person of ordinary skill in the art.
Disclosure of Invention
The present inventors have conducted extensive studies to achieve the above object, and more particularly, the present invention provides a cavern filling apparatus and a method for filling the same. The karst cave filling device comprises an excavating module, a grouting module and a force expansion frame module, wherein,
the excavation module comprises a plurality of excavating modules,
a drill rod having a hollow structure and including a front end and a rear end facing an object to be excavated,
a drill bit disposed at a front end of the drill rod;
the grouting module comprises a grouting module and a grouting module,
a slip casting port disposed on the drill pipe proximate the forward end,
the grouting pipe penetrates through the drill rod and is communicated with the grouting port;
the force-expanding frame module comprises a force-expanding frame module,
a sleeve which is detachably arranged on the outer surface of the drill rod and is close to the front end, a chute is arranged on the outer side of the sleeve, a clamping groove is arranged at the rear end of the chute,
the front end of the force expanding frame body which can stretch and contract is fixed at the front end of the sleeve, the rear end of the force expanding frame body comprises a magnetic unit which can be arranged in the sliding groove in a sliding way,
the electromagnet is arranged in the sleeve and changes magnetic poles through the change of the current direction, when the electromagnet applies attraction force to the magnetic unit, the force expansion frame body is straightened, and when the electromagnet applies repulsion force to the magnetic unit, the force expansion frame body expands towards the outside of the sleeve.
In the karst cave filling device, the karst cave filling device also comprises a control module which comprises,
a pressure sensor arranged at the rear end of the drill bit for measuring pressure data borne by the drill bit,
a controller connected with the excavating module, the grouting module and the force expansion frame module,
in response to the pressure data decreasing below a first predetermined value, the controller determines that the drill bit initially enters the cavern,
and responding to the increase of the pressure data to be larger than a second preset value, the controller judges that the drill bit reaches the end part of the karst cave, the controller sends out a drilling stopping instruction, switches the current direction of the electromagnet to expand the force expansion frame main body, and sends a grouting instruction to the grouting module for grouting.
In the karst cave filling device, the controller further comprises an alarm for prompting, wherein the alarm comprises a buzzer and an LED lamp.
In the karst cave filling device, the excavating module further comprises a drilling machine for driving a drill rod, the grouting module comprises a grouting machine for generating grouting, and the grouting pipe is a flexible pipe.
In the karst cave filling device, the force expansion frame module comprises a limiting unit for limiting the sleeve.
In the karst cave filling device, a plurality of sliding grooves are uniformly distributed on the circumferential direction of the sleeve, and a plurality of force expansion frame main bodies respectively arranged in the sliding grooves are annularly distributed outside the sleeve.
In the karst cave filling device, the magnetic unit comprises a magnet block, and the force expansion frame main body comprises a force expansion frame branch section connected by a spring.
The invention has the following technical effects:
compared with the prior art, the invention has the beneficial effects that: compared with the traditional grouting filling, the invention has the advantages that the expansion frame system is placed in the karst cave, the strength of the solid body can be improved, the sufficient strength of the karst cave after filling is ensured, and the subsequent construction safety is ensured.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the karst cave filling device according to the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the karst cave filling device according to the present invention.
Fig. 3 is a schematic structural view of a sleeve of an embodiment of the karst cave filling apparatus according to the present invention.
Detailed Description
Specific embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While specific embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
It should be noted that certain terms are used throughout the description and claims to refer to particular components. As one skilled in the art will appreciate, various names may be used to refer to a component. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. The description which follows is a preferred embodiment of the invention, but is made for the purpose of illustrating the general principles of the invention and not for the purpose of limiting the scope of the invention. The scope of the present invention is defined by the appended claims.
For the purpose of facilitating an understanding of the embodiments of the present invention, the following description will be made in terms of several specific embodiments with reference to the accompanying drawings, and the drawings are not intended to limit the embodiments of the present invention.
In particular, referring to fig. 1 to 3, a karst cave filling apparatus includes an excavating module, a grouting module, and a force-expanding frame module, wherein,
the excavation module comprises a plurality of excavating modules,
a drill rod 2, which is a hollow structure, including a front end and a rear end facing an object to be excavated,
a drill bit 1 provided at a front end of the drill rod 2;
the grouting module comprises a grouting module and a grouting module,
a grouting port 4 provided on the drill rod 2 near the front end,
the grouting pipe 5 penetrates through the drill rod 2, and the grouting pipe 5 is communicated with the grouting opening 4;
the force-expanding frame module comprises a force-expanding frame module,
a sleeve 8 which is detachably arranged on the outer surface of the drill rod 2 and is close to the front end, a sliding groove 15 is arranged on the outer side of the sleeve 8, a clamping groove is arranged at the rear end of the sliding groove 15,
the front end of the force expanding frame body 7 which can be extended and contracted is fixed at the front end of the sleeve 8, the rear end of the force expanding frame body 7 comprises a magnetic unit 9 which can be slidably arranged in a sliding groove 15,
and the electromagnet 13, the electromagnet 13 arranged in the sleeve 8 changes the magnetic pole through the change of the current direction, when the electromagnet 13 applies attraction force to the magnetic unit 9, the force expansion frame main body 7 is straightened, and when the electromagnet 13 applies repulsion force to the magnetic unit 9, the force expansion frame main body 7 expands towards the outside of the sleeve 8.
In one embodiment, the earth's surface 17 has an excavated tunnel 18 and a cavern 19 below it, and the cavern filling apparatus comprises: the device comprises a tunneling module, a grouting module, a force expansion frame module, a control and feedback module and an accessory device.
The ripping module includes a drill bit 1, a drill rod 2, and a drill rig 3. The drill bit 1 is arranged at the end part of the drill rod 2 and is used for breaking rock under the thrust of the drilling machine 3;
the grouting module comprises a grouting opening 4, a grouting pipe 5 and a grouting device 6. Grouting pipe 5 arranges inside drilling rod 2, for the flexible tube, and one end is fixed at slip casting mouth 4, and the other end and 6 mechanical intercommunications of slip casting ware adopt the flexible tube to take out the change when taking place to block up, avoid directly causing with drilling rod 2 slip casting to block up and cause drilling rod 2 can not continue to use.
The force expansion frame module comprises a force expansion frame main body 7, a spring 16, a sleeve 8 and a magnet block. The sleeve 8 is detachably arranged at one end of the drill rod 2, a sliding groove 15 is formed in the outer side of the sleeve 8, and a clamping groove is formed in one side, away from the drill bit 1, of the sliding groove 15; the force expansion frame is arranged outside the sleeve 8, wherein one end close to the drill bit 1 is fixed on the sleeve 8, and one end far away from the drill bit 1 is provided with a magnet block which is limited in the sliding groove 15 and can only slide in the sliding groove 15;
the control and feedback module comprises a controller 10, a pressure sensor 11 of the drill bit 1, an alarm 12 and an electromagnet 13. The pressure sensor 11 of the drill bit 1 is arranged at the rear end of the drill bit 1 and used for measuring and feeding back the drilling pressure applied to the drill bit 1; the electromagnet 13 is arranged in the sleeve 8, and when the force expanding frame is completely straightened, the electromagnet 13 corresponds to the magnet in position, and interaction force can be generated.
The attachment means comprise a restriction block and an electric circuit, said restriction block being mounted outside the injection pipe 5 behind the casing 8 for restricting the position of the casing 8 during drilling. The circuit is used to energize the electromagnet 13 and transmit an electrical signal back to the pressure sensor 11 of the drill bit 1.
In a preferred embodiment of the karst cave filling device, the karst cave filling device further comprises a control module, which comprises,
a pressure sensor 11 arranged at the rear end of the drill bit 1 for measuring pressure data of the drill bit 1,
a controller 10 connecting the excavating module, the grouting module and the force-expanding frame module,
in response to the pressure data falling below a first predetermined value, the controller 10 determines that the drill bit 1 initially enters a cavern,
in response to the pressure data increasing to be larger than a second preset value, the controller 10 judges that the drill bit 1 reaches the end part of the karst cave, the controller 10 sends out a drilling stopping instruction and switches the current direction of the electromagnet 13 to expand the force expansion frame main body 7, and sends a grouting instruction to the grouting module for grouting.
In the preferred embodiment of the karst cave filling device, the controller 10 further comprises an alarm 12 for prompting, which comprises a buzzer and an LED lamp.
In a preferred embodiment of the karst cave filling device, the excavation module further comprises a drilling machine 3 for driving the drill rod 2, the grouting module comprises a grouting machine for generating grouting, and the grouting pipe 5 is a flexible pipe.
In the preferred embodiment of the karst cave filling device, the force-expanding frame module comprises a limiting unit 14 for limiting the sleeve 8.
In the preferred embodiment of the karst cave filling device, a plurality of sliding grooves 15 are uniformly distributed on the circumferential direction of the sleeve 8, and a plurality of force expansion frame main bodies 7 respectively arranged in the sliding grooves 15 are annularly distributed outside the sleeve 8.
In the preferred embodiment of the karst cave filling device, the magnetic unit 9 comprises a magnet block, and the force-expanding frame body 7 comprises force-expanding frame branch sections connected by springs 16. The method of installing the force-expanding frame on the sleeve 8 is as follows: before drilling, the force expansion frame is tensioned, the magnet block is placed in the clamping groove on one side of the sliding groove 15, the controller 10 is connected with the power supply of the electromagnet 13, and the magnet block is fixed in the clamping groove under the action of the attraction of the electromagnet 13. The method for controlling the expansion frame to expand by changing the magnetic pole of the electromagnet 13 by the controller 10 is as follows: when the force expanding frame is unfolded before grouting, the magnetic pole of the electromagnet 13 is changed by changing the current direction, thrust is generated on the magnet block, the magnet block enters the sliding groove 15, and the magnet block moves in the sliding groove 15 under the action of the tension of the spring 16 to reach a preset position.
In the preferred embodiment of the karst cave filling device, the number of the force expansion frame branches is 4-10, and the force expansion frame branches are determined according to the strength of a solid body required after the karst cave is filled and are annularly distributed outside the sleeve 8. The expansion frame can play a role of a framework after grouting in the karst cave, and the strength of the solid body is improved.
As shown in fig. 3, a filling method of the karst cave filling device includes the following steps:
a first step S1, the drill bit 1 drills, in response to the pressure data measured by the pressure sensor 11 of the drill bit 1 decreasing to less than a first predetermined value, determines that the drill bit 1 initially enters a cavern,
in response to the pressure data increasing to be greater than the second predetermined value, the second step S2, determining that the drill bit 1 reaches the end of the cavern, the controller 10 issues a stop drilling command,
and a third step S3, switching the current direction of the electromagnet 13 to expand the force expansion frame main body 7, performing grouting from the grouting opening 4 through the grouting pipe 5 by the grouting module, withdrawing the drill rod 2 and the drill bit 1 after the grout is initially set, and leaving the force expansion frame main body 7 and the casing pipe 8 in the karst cave.
In a preferred embodiment of the filling method described,
compared with the traditional grouting filling, the invention places the force expansion frame system in the karst cave, can improve the strength of the solid body, ensures that the karst cave forms enough strength after being filled, and ensures the subsequent construction safety.
Industrial applicability
The karst cave filling device and the filling method thereof can be manufactured and used in the karst cave filling field.
Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments and application fields, and the above-described embodiments are illustrative, instructive, and not restrictive. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto without departing from the scope of the invention as defined by the appended claims.
Claims (7)
1. The karst cave filling device is characterized by comprising an excavating module, a grouting module and a force expansion frame module, wherein the excavating module comprises a drill rod which is of a hollow structure and comprises a front end and a rear end facing an object to be excavated, and a drill bit which is arranged at the front end of the drill rod; the grouting module comprises a grouting opening, a grouting pipe and a grouting pipe, wherein the grouting opening is arranged on the drill rod and is close to the front end, the grouting pipe penetrates through the drill rod, and the grouting pipe is communicated with the grouting opening;
the force expansion frame module comprises a sleeve, the sleeve is detachably arranged on the outer surface of the drill rod and close to the front end, a sliding groove is formed in the outer side of the sleeve, a clamping groove is formed in the rear end of the sliding groove, a force expansion frame body is fixed to the front end of the sleeve, the front end of the force expansion frame body can stretch and contract, the rear end of the force expansion frame body comprises a magnetic unit which can be slidably arranged in the sliding groove, an electromagnet is arranged in the sleeve, the electromagnet changes magnetic poles through the change of the current direction, when the electromagnet applies attraction force to the magnetic unit, the force expansion frame body is stretched, and when the electromagnet applies repulsion force to the magnetic unit, the force expansion frame body expands towards the outside of the sleeve.
2. A cavern filling device according to claim 1, wherein: the karst cave filling device also comprises a control module which comprises a pressure sensor which is arranged at the rear end of the drill bit and is used for measuring the pressure data borne by the drill bit,
a controller connected with the excavating module, the grouting module and the force expansion frame module,
in response to the pressure data decreasing below a first predetermined value, the controller determines that the drill bit initially enters the cavern,
and responding to the increase of the pressure data to be larger than a second preset value, the controller judges that the drill bit reaches the end part of the karst cave, the controller sends out a drilling stopping instruction, switches the current direction of the electromagnet to expand the force expansion frame main body, and sends a grouting instruction to the grouting module for grouting.
3. A cavern filling device according to claim 2, wherein: the controller also comprises an alarm for prompting, wherein the alarm comprises a buzzer and an LED lamp.
4. A cavern filling device according to claim 1, wherein: the excavation module further comprises a drilling machine for driving the drill rod, the grouting module comprises a grouting machine for generating grouting, and the grouting pipe is a flexible pipe.
5. A cavern filling device according to claim 1, wherein: the force expansion frame module comprises a limiting unit for limiting the sleeve.
6. A cavern filling device according to claim 1, wherein: a plurality of chutes are uniformly distributed in the circumferential direction of the sleeve, and a plurality of expansion frame main bodies respectively arranged in the chutes are annularly distributed outside the sleeve.
7. A cavern filling device according to claim 1, wherein: the magnetic unit comprises a magnet block, and the force expansion frame main body comprises a force expansion frame supporting section connected by a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020489503.0U CN212250057U (en) | 2020-04-07 | 2020-04-07 | Karst cave filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020489503.0U CN212250057U (en) | 2020-04-07 | 2020-04-07 | Karst cave filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212250057U true CN212250057U (en) | 2020-12-29 |
Family
ID=73983859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020489503.0U Expired - Fee Related CN212250057U (en) | 2020-04-07 | 2020-04-07 | Karst cave filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212250057U (en) |
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2020
- 2020-04-07 CN CN202020489503.0U patent/CN212250057U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |