Shield body with emergency water plugging function and vertical shaft heading machine
By installing annular airbags on the outer wall of the shield and linking them with a compressed air system, the problem of water inrush during shaft tunneling can be solved, enabling rapid isolation of water inrush, preventing flooding accidents, and ensuring equipment safety.
Patent Information
- Application Number
- CN202520078226.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Flooding accidents caused by sudden water inrush during shaft tunneling are difficult to prevent effectively, and existing technologies require shutdown for repairs, resulting in equipment damage.
An annular airbag is fixedly fitted on the outer wall of the shield body and connected to the compressed air system. High-pressure gas is used to inflate the airbag and make it fit tightly against the well wall, isolating the water from the main unit and preventing flooding.
With rapid response and no need for additional space, the airbags flexibly adapt to the unevenness of the well wall, effectively isolating water inrush, preventing equipment damage, and ensuring the normal operation of the tunneling machine.
Smart Images
Figure CN223562809U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to underground engineering field, concretely relates to a shield body and vertical shaft heading machine with emergency water plugging function. BACKGROUND
[0002] During the construction process of the vertical shaft, especially during the construction process of the deep vertical shaft, due to the fact that more strata are penetrated, water-rich strata inevitably appear. Especially when the vertical shaft heading machine is used for construction, it is necessary to prevent the flooding of the machine caused by the water inrush phenomenon. In the prior art, the sudden water inrush is often handled by lifting the main machine after stopping the machine. This method needs a certain time for operation, and if the water inrush is too large, it will still cause the flooding accident of the machine. SUMMARY
[0003] The technical problem to be solved by the utility model is how to solve the sudden water inrush problem during the construction process of the vertical shaft heading machine and prevent the equipment damage caused by the flooding accident.
[0004] The technical scheme for solving the above technical problem is as follows: a shield body with emergency water plugging function, comprising a compressed air system and at least one air bag, the air bag is annular, the air bag is fixedly sleeved on the outer side wall of the shield body, and the compressed air system is in communication with the air bag.
[0005] The utility model has the advantages that when the vertical shaft heading machine works and suddenly encounters water inrush, a large amount of underground water flows out from the working face, the compressed air system is controlled to fill high-pressure gas into the air bag, the annular air bag is inflated and tightly attached to the shaft wall, the gap between the shield body and the shaft wall is filled, the water inrush of the working face is isolated from the main machine, and the flooding of the machine is prevented. Since the shaft wall after the excavation of the cutter head is not very smooth and the annular air bag has a certain flexibility, the air bag can be tightly attached to the uneven shaft wall after inflation, so that the purpose of completely isolating the water inrush of the stratum is achieved. The air bag of the utility model is integrated on the shield body, does not need to occupy extra space, and has a simple structure; when water inrush occurs, the response speed is fast, the air bag can be inflated immediately, and no preparation work is needed.
[0006] On the basis of the above technical scheme, the utility model can also be improved as follows.
[0007] Further, at least two air bags are arranged along the axial direction of the shield body.
[0008] The air bag can be arranged in multiple rows according to the geological conditions of the construction project to increase the sealing effect.
[0009] Further, specifically, two air bags are arranged.
[0010] Further, the shield body with the emergency water plugging function further comprises a connecting piece, and the inner wall of the air bag is fixedly connected with the shield body through the connecting piece.
[0011] Further, a plurality of connecting pieces are arranged along the circumference of each air bag.
[0012] The beneficial effect of the further scheme is that the plurality of connecting pieces are arranged to ensure the reliability of the air bag connection.
[0013] Further, the outer wall of the shield body is provided with an annular groove, and the air bag is embedded in the annular groove.
[0014] The beneficial effect of the further scheme is that the air bag is embedded in the annular groove, and when the air bag is not inflated, the air bag is retracted in the annular groove; and when the air bag is inflated, the air bag protrudes out of the annular groove and is in sealing cooperation with the shaft wall.
[0015] Further, the compressed air system comprises a gas cylinder, a gas pump and an inflation valve, the gas cylinder is installed in the shield body, and the gas cylinder, the gas pump, the inflation valve and the air bag are sequentially communicated through pipelines.
[0016] The beneficial effect of the further scheme is that when the air bag needs to be inflated, the inflation valve and the gas pump are opened, and the gas in the gas pump is filled into the air bag.
[0017] Further, the shield body with the emergency water plugging function further comprises an exhaust pipe, and one end of the exhaust pipe is communicated with the air bag through an exhaust valve.
[0018] The beneficial effect of the further scheme is that after the air bag is used, the exhaust valve is opened to exhaust the gas, and the air bag is retracted, so that the shaft boring machine can normally bore.
[0019] Further, the shield body with the emergency water plugging function further comprises a cutter head, and the cutter head is rotatably connected with one end of the shield body.
[0020] The beneficial effect of the further scheme is that the cutter head is installed at the lower end of the shield body and is used for cutting and boring.
[0021] The utility model further provides a kind of shaft boring machine, including the shield body with the emergency water plugging function of the described. ACCURATE DRAWINGS
[0022] Fig. 1 It is the structure diagram of the utility model a kind of shield body with emergency water plugging function;
[0023] Fig. 2 It is the partial structure drawing of the utility model air bag retraction;
[0024] Fig. 3 It is the partial structure drawing of the utility model air bag inflation.
[0025] In the drawings, the components represented by the respective reference numerals are listed as follows:
[0026] 1. shield body; 2. air bag; 3. connecting piece; 4. cutter head; 5. stratum gushing water; 6. shaft wall. DETAILED DESCRIPTION
[0027] The principles and features of the present application will be described below in conjunction with the accompanying drawings, and the examples are only used to explain the present application and not intended to limit the scope of the present application.
[0028] Example 1
[0029] As shown in the drawings, the present embodiment provides a shield body with emergency water plugging function, comprising a compressed air system and at least one air bag 2, the air bag 2 is annular, the air bag 2 is fixedly sleeved on the outer side wall of the shield body 1, and the compressed air system is in communication with the air bag 2. Figs. 1-3 When the shaft boring machine works suddenly encounters gushing water, a large amount of underground water gushes out from the working face, the compressed air system is controlled to fill high-pressure gas into the air bag 2, the annular air bag 2 is inflated and tightly attached to the shaft wall 6, filling the gap between the shield body and the shaft wall, isolating the working face gushing water from the main machine, and preventing the machine from being flooded. Since the shaft wall 6 after the cutter head excavation is not very smooth, and the annular air bag 2 has a certain flexibility, it can be tightly attached to the uneven shaft wall after inflation, so as to completely isolate the stratum gushing water 5. The air bag 2 of the present application is integrated on the shield body, without occupying additional space, and has a simple structure; when encountering gushing water, the response speed is fast, and it can be inflated immediately without preparation work.
[0030] On the basis of the above technical solution, the air bag 2 is spaced apart along the axial direction of the shield body 1.
[0031] The air bag 2 can be provided with multiple rows according to the geological conditions of the construction project to increase the sealing effect.
[0032] In one specific example, the air bag 2 is provided with two.
[0033] On the basis of the above technical solution, the shield body with emergency water plugging function further comprises a connecting piece 3, and the inner wall of the air bag 2 is fixedly connected with the shield body 1 through the connecting piece 3.
[0034]
[0035] In one specific example, the connecting member 3 is a bolt which passes through the sidewall of the air bag 2 and is fixedly connected with the shield body 1. In this case, the bolt and the sidewall of the air bag 2 are sealed by a sealing material to avoid air leakage; or the air bag 2 comprises an inner bag and an outer skin which are sleeved one inside the other (similar to the structure of a bicycle tire), the bolt is connected with the outer skin, and the inner bag is in communication with the compressed air system, so that reliable connection can be achieved and the inner bag can avoid air leakage.
[0036] On the basis of the above technical solution, a plurality of connecting members 3 are arranged circumferentially and spaced apart from each other.
[0037] The plurality of connecting members 3 ensure the reliability of the connection of the air bag 2.
[0038] On the basis of the above technical solution, an annular groove is formed in the outer sidewall of the shield body 1, and the air bag 2 is embedded in the annular groove.
[0039] The air bag 2 is embedded in the annular groove and shrinks in the annular groove when not inflated; after inflation, the air bag 2 protrudes out of the annular groove and is in sealing cooperation with the shaft wall 6.
[0040] On the basis of the above technical solution, the compressed air system comprises a gas cylinder, a gas pump and an inflation valve, the gas cylinder is installed in the shield body 1, and the gas cylinder, the gas pump, the inflation valve and the air bag 2 are sequentially connected by pipelines.
[0041] When the air bag 2 needs to be inflated, the inflation valve and the gas pump are opened, and the gas in the gas pump is filled into the air bag 2.
[0042] Specifically, when the air bag 2 is at least two, the gas pump is connected with the plurality of air bags 2 one by one through a plurality of branch pipelines. In this case, each branch pipeline is provided with an inflation valve, and each branch pipeline is controlled to be connected or disconnected through the respective inflation valve; or an inflation valve is arranged at the outlet of the gas pump to control the connection or disconnection of all branch pipelines.
[0043] On the basis of the above technical solution, the shield body with the emergency water plugging function further comprises an exhaust pipe, one end of the exhaust pipe is connected with the air bag 2 through an exhaust valve.
[0044] After the air bag 2 is used, the exhaust valve is opened to exhaust the gas, and the air bag 2 is retracted, so that the shaft sinking machine can normally dig.
[0045] On the basis of the above technical solution, the shield body with the emergency water plugging function further comprises a cutter head 4, and the cutter head 4 is rotatably connected with one end of the shield body 1.
[0046] The cutter head 4 is installed at the lower end of the shield body 1 and is used for cutting and digging.
[0047] Embodiment Two
[0048] The embodiment provides a shaft tunneling machine, which comprises the shield body with the emergency water blocking function described in the first embodiment.
[0049] Specifically, when water gushes suddenly during the operation of the shaft tunneling machine, a large amount of underground water gushes from the working face, the compressed air system is controlled to fill the high-pressure gas into the air bag 2, the annular air bag 2 is inflated and tightly attached to the shaft wall 6, the gap between the shield body and the shaft wall is filled, the water gushing from the working face is isolated from the main machine, and the machine is prevented from being flooded. Since the shaft wall 6 after being excavated by the cutter head is not very smooth, and the annular air bag 2 has a certain flexibility, the air bag can be tightly attached to the uneven shaft wall after being inflated, so that the purpose of completely isolating the stratum water gushing 5 is achieved. Meanwhile, the stratum water gushing 5 in the working face is discharged by using the self-contained sewage system of the shaft tunneling machine, after the discharge, the inflation valve and the air pump are closed, the high-pressure gas is stopped from being delivered to the air bag 2, and the exhaust valve is opened, the air bag 2 is retracted, and the shaft tunneling machine can continue normal tunneling.
[0050] In the description of the utility model, it is to be explained that, the terms "upper", "lower", "axial", "radial", "circumferential" and the like indicate the position or location relationship based on the position or location relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular position, be constructed and operated in a particular position, therefore, it can not be understood as the limitation of the utility model.
[0051] In the description of the utility model, the meaning of "a plurality of" is at least two, for example, two, three and the like, unless there is an explicit specific limitation.
[0052] In the utility model, unless there is an explicit provision and limitation, the first feature is "on" or "under" the second feature, which can be direct contact of the first and second features, or indirect contact of the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.
[0053] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, a person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.
[0054] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0055] The above is only the preferred embodiment of the present application, and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A shield body having an emergency water shutoff function, characterized by, The shield body (1) comprises a compressed air system and at least one air bag (2), the air bag (2) is annular, the air bag (2) is fixedly sleeved on the outer side wall of the shield body (1), and the compressed air system is communicated with the air bag (2).
2. The shield body having an emergency water plugging function according to claim 1, characterized in that, The air bag (2) is spaced apart in the axial direction of the shield body (1) and at least two.
3. The shield body having an emergency water plugging function according to claim 2, characterized in that, The air bag (2) is provided with two.
4. The shield body having an emergency water plugging function according to claim 1, characterized in that, Further comprising a connecting piece (3), the inner wall of the air bag (2) is fixedly connected with the shield body (1) through the connecting piece (3).
5. The shield body having an emergency water plugging function according to claim 4, characterized in that, A plurality of connecting pieces (3) are spaced apart in the circumferential direction of each air bag (2).
6. The shield body having an emergency water plugging function according to claim 1, characterized in that, The outer side wall of the shield body (1) is provided with an annular groove, and the air bag (2) is embedded in the annular groove.
7. The shield body having an emergency water plugging function according to claim 1, characterized in that, The compressed air system comprises a gas cylinder, a gas pump and an inflation valve, the gas cylinder is installed in the shield body (1), and the gas cylinder, the gas pump, the inflation valve and the air bag (2) are sequentially communicated through pipelines.
8. The shield body having an emergency water plugging function according to claim 1, characterized in that, Further comprising an exhaust pipe, one end of the exhaust pipe is communicated with the air bag (2) through an exhaust valve.
9. The shield body having an emergency water plugging function according to any one of claims 1-8, characterized in that, Further comprising a cutter head (4), the cutter head (4) is rotatably connected with one end of the shield body (1).
10. A raise boring machine characterized by, The shield body with emergency water plugging function comprises the shield body according to any one of claims 1-9. The shield body with emergency water plugging function comprises the shield body according to any one of claims 1-9.