CN216894398U - Shield tail water leakage and sand leakage prevention emergency rescue device and shield machine - Google Patents
Shield tail water leakage and sand leakage prevention emergency rescue device and shield machine Download PDFInfo
- Publication number
- CN216894398U CN216894398U CN202220057683.4U CN202220057683U CN216894398U CN 216894398 U CN216894398 U CN 216894398U CN 202220057683 U CN202220057683 U CN 202220057683U CN 216894398 U CN216894398 U CN 216894398U
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- fan
- picture peg
- shield
- shield tail
- shaped
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- 239000004576 sand Substances 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 230000002265 prevention Effects 0.000 title claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 10
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model provides a shield tail leak protection water leakage sand device and shield constructs machine of speedily carrying out rescue work, includes a plurality of fan-shaped picture peg that can dismantle respectively and set up between corresponding section of jurisdiction and hydro-cylinder, is used for the ring to inlay the rubber seal strip in the shield tail clearance between shield tail and section of jurisdiction, it is used for supporting to have on the fan-shaped picture peg outer arc limit on the rubber seal strip, have on the fan-shaped picture peg be used for with the inconsistent biography power gasket that passes of section of jurisdiction, it is through setting up fan-shaped picture peg between section of jurisdiction and hydro-cylinder to block between fan-shaped picture peg and shield tail and establish rubber seal strip, solved the emergent difficult problem of speedily carrying out rescue work when taking place shield tail leak leakage sand during the present shield constructs machine construction, and prevented that shield tail leak leakage sand during shield machine long-time shut down appear and in time failed the emergence of speedily carrying out rescue work and causing, greatly improved shield construction security, and simple structure, input cost are little, easily operate, High safety and wide application range.
Description
Technical Field
The utility model relates to the technical field of shield tunnel construction, in particular to a shield tail water and sand leakage prevention emergency rescue device and a shield machine.
Background
The construction of the underground tunnel of modern urban rail transit mostly adopts a shield method, and a shield machine needs to continuously pass through various risk sources in the propelling process, and particularly has great construction risk for crossing rivers and water-rich silt strata; at present, a shield tail brush and shield tail grease are adopted between a shield tail and a duct piece of a shield tunneling machine for sealing, when the shield tail brush is worn or damaged due to abnormal conditions, the shield tail sealing loses the sealing capability, and an effective emergency rescue device needs to be provided at the moment.
During the shield method construction, sometimes the machine is forced to be stopped due to external factors, and long-time stopping causes the seal pressure loss of the shield tail, so that the shield tail leaks water and sand, and a set of shield tail sealing device is needed to seal the shield tail.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a shield tail water and sand leakage prevention emergency rescue device.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a shield tail leak protection water leaks sand and speedily carries out rescue work device, include a plurality of fan-shaped picture peg that can dismantle respectively and set up between corresponding section of jurisdiction and hydro-cylinder, be used for the ring to inlay the rubber seal strip in the shield tail clearance between shield tail and section of jurisdiction, it is used for supporting to have on the fan-shaped picture peg outer arc limit on the rubber seal strip, have on the fan-shaped picture peg be used for with the inconsistent biography power liner of section of jurisdiction.
In some embodiments, the rubber sealing strip is an integral ring, and the cross section of the rubber sealing strip is triangular-like with a convex edge convenient to extrude into the gap between the shield tails.
In some embodiments, each fan-shaped inserting plate comprises a fan-shaped steel inserting plate with a shape corresponding to the cross section of the duct piece, and two force transmission gaskets embedded in the front side and the back side of the fan-shaped steel inserting plate, wherein the two ends of the fan-shaped steel inserting plate are respectively provided with a joint matched with the adjacent fan-shaped steel inserting plate.
In some embodiments, the two force transfer pads extend from one end to the other end along the arc of the middle of the fan-shaped steel insert plate.
In some embodiments, the force transfer pad is a rubber plate made of soft plastic or rubber.
In some embodiments, at least one fan-shaped handle for disassembly is welded on the inner arc edge of each fan-shaped inserting plate.
The utility model aims to provide a shield tunneling machine.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a shield tail leak protection water leakage sand device of speedily carrying out rescue work that includes above arbitrary embodiment the shield tail, rubber seal strip inlays to be located the shield tail with in the shield tail clearance between the section of jurisdiction, fan-shaped picture peg is inserted and is located the section of jurisdiction with between the hydro-cylinder, rubber seal strip pass through the hydro-cylinder with the outer arc limit conflict of fan-shaped picture peg closely inlays to be located in the shield tail clearance.
In some embodiments, the outer arcs of the plurality of the sector-shaped inserting plates are circumferentially and annularly distributed on the shield tail.
In some embodiments, the force transfer pad is positioned in contact with the tenon of the segment.
In some embodiments, adjacent two of the segmental insert plates are in lap fit through the joint.
The scope of the present invention is not limited to the specific combinations of the above-described features, and other embodiments in which the above-described features or their equivalents are arbitrarily combined are also intended to be encompassed. For example, the above features and the technical features (but not limited to) having similar functions disclosed in the present application are mutually replaced to form the technical solution.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model provides a shield tail water and sand leakage prevention emergency rescue device and a shield machine, wherein a fan-shaped inserting plate is arranged between a pipe piece and an oil cylinder, and a rubber sealing strip is clamped between the fan-shaped inserting plate and a shield tail, so that the emergency rescue problem when shield tail water and sand leakage occurs during the construction of the shield machine at present is solved, the accident caused by failure in time of emergency rescue when shield tail water and sand leakage occurs during the long-time shutdown of the shield machine is prevented, the shield construction safety is greatly improved, and the shield machine has the advantages of simple structure, low investment cost, easiness in operation, high safety and wide application range.
Drawings
FIG. 1 is a sectional view of a part of a shield tail water and sand leakage prevention emergency rescue device;
FIG. 2 is a schematic view of a rubber seal strip;
FIG. 3 is a schematic view of a fan-shaped board;
wherein, 1, a sector plugboard; 11. a fan-shaped steel inserting plate; 12. a force transfer liner; 13. a joint; 14. a sector-shaped handle; 2. a rubber seal strip; 3. and (4) a shield tail.
Detailed Description
As shown in the accompanying drawings, the utility model provides a shield tail water and sand leakage prevention emergency rescue device which comprises a plurality of fan-shaped insertion plates 1 and a rubber sealing strip 2, wherein the fan-shaped insertion plates 1 can be respectively detachably arranged between corresponding pipe pieces and oil cylinders, the rubber sealing strip 2 is used for being annularly embedded in a gap between a shield tail 3 and the pipe pieces, the fan-shaped insertion plates 1 are provided with outer arc edges which are used for abutting against the rubber sealing strip 2, and the fan-shaped insertion plates 1 are provided with force transmission gaskets which are used for abutting against the pipe pieces. The emergency rescue problem when water and sand leakage of the shield tail occur during the construction of the shield machine at present is solved, accidents caused by failure of timely rescue during long-time shutdown of the shield machine due to water and sand leakage of the shield tail are prevented, the safety of shield construction is greatly improved, and the emergency rescue device is simple in structure, small in investment cost, easy to operate, high in safety and wide in application range.
As shown in fig. 2, rubber seal strip 2 is the circular ring form as an organic whole, the type triangle of rubber seal strip 2's cross section for having the bead of being convenient for to extrude shield tail clearance, in this embodiment, rubber seal strip 2's cross section is type right triangle, a right-angle side and 1 close subsides of fan-shaped picture peg are established, another right-angle side and 3 close subsides of shield tail are established, reach sealed effect, it provides thrust to push into the cylinder by the shield structure machine, with fan- shaped picture peg 1 and 2 in close contact with of rubber seal strip, extrude rubber seal strip 2, guarantee rubber seal strip 2's sealed effect.
As shown in fig. 3, each fan-shaped inserting plate 1 comprises a fan-shaped steel inserting plate 11 with a cross section corresponding to the segment in shape, two force transmission gaskets 12 embedded in the front side surface and the back side surface of the fan-shaped steel inserting plate 11, the two end parts of the fan-shaped steel inserting plate 11 are respectively provided with a joint 13 matched with the adjacent fan-shaped steel inserting plate 11, and during lapping, the adjacent two fan-shaped inserting plates 1 are arranged in an opposite way, so that the joints 13 on the same side of the two fan-shaped inserting plates 1 are arranged oppositely, the adjacent two fan-shaped inserting plates 1 can be in lap joint, the fan-shaped inserting plates 1 are annularly distributed on the shield tail 3, the matching is simple, and the dismounting is convenient and fast.
Two biography power liners 12 extend to the other end by one end along the pitch arc direction in fan-shaped steel picture peg 11 middle part, and biography power liner 12 is the offset plate that soft plastics or rubber made as shown in figure 3, and the welding of every fan-shaped picture peg 1 top has at least one fan-shaped handle 14 that is used for dismantling, and in this embodiment, the welding of fan-shaped picture peg 1 top has two fan-shaped handles 14, convenient dismantlement.
The force transfer liner 12 is placed in contact with the segment to prevent it from crushing.
The working principle is as follows: firstly, retracting a shield machine propelling oil cylinder at a designated position of a shield machine, plugging a rubber sealing strip 2 into a gap of a shield tail 3, and hammering tightly by using a rubber hammer; put into hydro-cylinder and shield structure between the section of jurisdiction tenon with fan-shaped picture peg 1, later with the shield structure machine push away the oil cylinder and stretch out and make rubber seal strip 2 fully push up fan-shaped picture peg 1, fan-shaped picture peg 1 can extrude rubber seal strip 2 this moment and reach sealed effect, fan-shaped picture peg 1 arranges along the shield tail annular, through connecting the overlap joint of each other between two adjacent fan-shaped picture pegs, connects for "L" type joint in this embodiment.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. The utility model provides a shield tail leak protection hourglass sand device of speedily carrying out rescue work which characterized in that: can dismantle fan-shaped picture peg (1) that sets up between corresponding section of jurisdiction and hydro-cylinder respectively including a plurality of, be used for the ring to inlay rubber seal strip (2) in the shield tail clearance between shield tail (3) and section of jurisdiction, it is used for supporting to have on fan-shaped picture peg (1) outer arc limit on rubber seal strip (2), have on fan-shaped picture peg (1) be used for with the inconsistent biography power liner of section of jurisdiction.
2. The shield tail water leakage prevention sand leakage emergency device according to claim 1, characterized in that: the rubber sealing strip (2) is in an integral ring shape, and the cross section of the rubber sealing strip (2) is in a triangle shape with a convex edge which is convenient to extrude into the gap between the shield tails.
3. The shield tail water leakage prevention sand leakage emergency device according to claim 1, characterized in that: every fan-shaped picture peg (1) includes that the shape corresponds fan-shaped steel picture peg (11), two of section of jurisdiction cross section are inlayed and are located in fan-shaped steel picture peg (11) positive and negative both sides face power transmission liner (12), fan-shaped steel picture peg (11) both ends are respectively with adjacent fan-shaped steel picture peg (11) matched with connects (13).
4. The shield tail water leakage prevention sand leakage emergency device according to claim 3, characterized in that: the two force transfer gaskets (12) extend from one end to the other end along the arc direction of the middle part of the fan-shaped steel inserting plate (11).
5. The shield tail water leakage prevention sand leakage emergency device according to claim 4, characterized in that: the force transmission gasket (12) is a rubber plate made of soft plastics or rubber.
6. The shield tail water leakage and sand leakage prevention emergency rescue device according to claim 1, characterized in that: at least one fan-shaped handle (14) used for disassembly is welded on the inner arc edge of each fan-shaped inserting plate (1).
7. A shield machine comprising the shield tail water and sand leakage prevention emergency rescue device according to any one of claims 1 to 6, characterized in that: rubber seal strip (2) inlay locate shield tail (3) with in the shield tail clearance between the section of jurisdiction, fan-shaped picture peg (1) are inserted and are located the section of jurisdiction with between the hydro-cylinder, rubber seal strip (2) through the hydro-cylinder with the outer arc limit of fan-shaped picture peg (1) is contradicted and is closely inlayed and locate in the shield tail clearance.
8. The shield machine of claim 7, wherein: the outer arcs of the fan-shaped inserting plates (1) are annularly distributed on the shield tail (3) along the circumferential direction.
9. The shield machine of claim 7, wherein: the force transfer liner (12) is arranged in contact with the tenon of the segment.
10. The shield machine of claim 7, wherein: every fan-shaped picture peg (1) is corresponding including the shape fan-shaped steel picture peg (11) of the cross section of jurisdiction, fan-shaped steel picture peg (11) both ends are respectively with adjacent fan-shaped steel picture peg (11) matched with connects (13), adjacent two passing through of fan-shaped picture peg (1) connect (13) looks overlap joint cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220057683.4U CN216894398U (en) | 2022-01-11 | 2022-01-11 | Shield tail water leakage and sand leakage prevention emergency rescue device and shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220057683.4U CN216894398U (en) | 2022-01-11 | 2022-01-11 | Shield tail water leakage and sand leakage prevention emergency rescue device and shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216894398U true CN216894398U (en) | 2022-07-05 |
Family
ID=82212434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220057683.4U Active CN216894398U (en) | 2022-01-11 | 2022-01-11 | Shield tail water leakage and sand leakage prevention emergency rescue device and shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216894398U (en) |
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2022
- 2022-01-11 CN CN202220057683.4U patent/CN216894398U/en active Active
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