Blowout preventer for water exploration and drainage drilling

Abstract

The utility model discloses a blowout preventer for water exploration and drainage drilling, and relates to the technical field of drilling related devices. Comprising a cylindrical barrel and a drill rod, the bottom end of the outer wall of the barrel is fixedly sleeved with a lower connecting disc, the bottom of the lower connecting disc is provided with a corrugated cover connected with the ground, the end of the drill rod penetrates through the barrel and the corrugated cover, one side of the barrel is provided with a drainage pipe communicated with an inner cavity of the barrel, and the top end of the outer wall of the barrel is fixedly sleeved with an upper connecting disc; the outer wall of the cylinder body is sleeved with a connecting cylinder connected with the upper connecting disc, the connecting cylinder is connected with a T-shaped pressing cylinder, and a packing area filled with sealing packing is formed among the pressing cylinder, the connecting cylinder and the top end of the cylinder body. According to the water exploration and drainage drilling blowout prevention device, the outer wall of the top end of the barrel is sleeved with the connecting barrel, the top of the connecting barrel is connected with the pressing barrel, the pressing barrel, the connecting barrel and the barrel define the packing area for containing packing, the part, penetrating through the barrel, of a drill rod can be sealed, and water discharged out of a drilled hole can be conveniently discharged by arranging the drainage pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to drilling related device technical field, concretely is a kind of water drilling and drilling blowout preventer. BACKGROUND

[0002] Water drilling machine, mainly applicable to the gas drainage drilling, blasting coal hole and rock drilling of coal and gas outburst prevention and control measures of mining working face implementation explore, also can be used in small roadway section and explore water hole, coal mine must be carried out in advance during construction process water, when water is explored, when water drilling is used to explore water hole, suddenly drill the soil above water hole, water in water hole can be sprayed, not only easy to cause the damage of water drilling, simultaneously easy to cause the injury of surrounding operating personnel, cause personal and property damage.

[0003] Part of the mine affected seriously by water disaster needs to be grouted to aquifer, and a large number of drilling holes are needed to be constructed to expose aquifer in the process of water exploration and grouting to aquifer, in order to avoid the accidents of flooding well and working face during construction process, the blowout preventer needs to be installed at the hole, the traditional drilling hole blowout preventer is mostly provided with a leather ring outside the drill rod, when the water yield of drilling hole is large, the gap between the drill rod and the leather ring is easy to appear under the impact of water flow, and the leakage and being washed off are easy to appear. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of water drilling and drilling blowout preventer to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of water drilling and drilling blowout preventer, including cylindrical cylinder, drill rod, the outer wall bottom end of the cylinder is fixedly provided with lower connecting disc, the bottom of the lower connecting disc is provided with the corrugated cover connected with ground, the end of the drill rod passes through cylinder, corrugated cover, one side of the cylinder is equipped with the drainage pipe being communicated with its inner chamber, the outer wall top end of the cylinder is fixedly provided with upper connecting disc, the outer wall of the cylinder is provided with the connecting cylinder being connected with upper connecting disc, the connecting cylinder is in whole and presents I shape, the connecting cylinder is connected with the T-shaped pressing cylinder, the top end of the pressing cylinder, connecting cylinder, cylinder forms the filler area filled with sealing filler.

[0006] Further, the connecting cylinder and the pressing cylinder are connected by the first screw rod.

[0007] Further, the connecting cylinder has lower fixed disc body, the upper connecting disc is threadedly connected with the second screw rod, the end of which penetrates the lower fixed disc body, the second screw rod is threadedly connected with lock nut, the second screw rod is provided with gasket below lock nut, the part of the second screw rod between gasket and lower fixed disc body is provided with spring.

[0008] Further, the inner wall of the connecting cylinder and the outer wall of the cylinder body are provided with a sealing ring.

[0009] Further, the lower connecting disc is connected with the ground through an anchoring screw.

[0010] Further, a valve is mounted on the drain pipe.

[0011] Further, the inner cavity of the cylinder body is provided with a buffer plate which is penetrated by the drill rod.

[0012] Further, the buffer plate is provided with through holes which are penetrated by the drill rod, and the buffer plate is uniformly provided with buffer holes.

[0013] Compared with the prior art, the utility model provides a kind of to explore and put water drilling blowout preventer, with following beneficial effects: the water drilling blowout preventer of this exploration and putting, the top outer wall of cylinder body is equipped with connecting cylinder, the top of connecting cylinder is connected with pressure cylinder, and pressure cylinder, connecting cylinder, cylinder body are enclosed into one packing area of assembly packing, packing can be compressed by pressure cylinder, so that the part of drill rod that passes through cylinder body can be sealed, and by being provided with drain pipe, water drilled can be conveniently discharged. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 it is structure schematic diagram of the utility model;

[0015] Figure 2 it is plane structure schematic diagram of the utility model;

[0016] Figure 3 it is Figure 2 A part enlarged view in of;

[0017] Figure 4 it is structure schematic diagram of the buffer plate of the utility model.

[0018] In the figure: 1, cylinder body;2, lower connecting disc;3, anchoring screw;4, corrugated cover;5, drill rod;6, drain pipe;7, upper connecting disc;8, connecting cylinder;9, pressure cylinder;10, first screw;11, sealing packing;12, second screw;13, spring;14, gasket;15, lock nut;16, sealing ring;17, valve;18, buffer plate;19, through hole;20, buffer hole. DETAILED DESCRIPTION

[0019] In order to enable a more detailed understanding of the features and technical content of the embodiments of the present disclosure, the implementation of the embodiments of the present disclosure is described in detail below with reference to the accompanying drawings, which are only used for reference and do not limit the embodiments of the present disclosure. In the following technical description, in order to facilitate explanation, a plurality of details are provided to provide a full understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, well-known structures and devices can be simplified to facilitate the drawings.

[0020] The terms "first", "second", and the like in the description and claims of the embodiments of the present disclosure and the above drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present disclosure described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0021] In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "back", and the like indicate the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain attachment relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0022] In addition, the terms "set", "connected", "fixed" should be broadly understood. For example, "connected" can be fixedly connected, detachably connected, or integrally configured; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0023] Unless otherwise specified, the term "a plurality of" means two or more.

[0024] It should be noted that the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0025] Please refer to Figures 1-4The utility model discloses a kind of water drilling blowout preventers of exploration and placement, including cylindrical barrel 1, drill rod 5, the outer wall bottom end of barrel 1 is fixedly equipped with lower connecting disc 2, the bottom of lower connecting disc 2 is equipped with the corrugated cover 4 being connected with ground, the end portion of drill rod 5 passes through barrel 1, corrugated cover 4, one side of barrel 1 is equipped with drainage pipe 6 being communicated with its inner cavity, the outer wall top end of barrel 1 is fixedly equipped with upper connecting disc 7, the outer wall of barrel 1 is equipped with the connecting cylinder 8 being connected with upper connecting disc 7, the whole of connecting cylinder 8 is in I shape, connecting cylinder 8 is connected with T-shaped pressing cylinder 9, and the top end between pressing cylinder 9, connecting cylinder 8, barrel 1 forms the packing area of filling sealing packing 11, this water drilling blowout preventer of exploration and placement, barrel 1 is equipped with connecting cylinder 8 on the top outer wall, the top of connecting cylinder 8 is connected with pressing cylinder 9, and pressing cylinder 9, connecting cylinder 8, barrel 1 are enclosed into a packing area of assembling sealing packing 11, sealing packing 11 can be pressed by pressing cylinder, so that the part of drill rod 5 passing through barrel 1 can be sealed, and by being equipped with drainage pipe 6, water drilled can be conveniently discharged.

[0026] Drill rod 5 is driven by drilling machine.

[0027] Connecting cylinder 8 has upper fixed disc body, lower fixed disc body, screw hole is formed on the upper fixed disc body, and pressing cylinder 9 is connected together by being threadedly connected with the screw hole of the upper fixed disc body through first screw rod 10.

[0028] Screw hole is also formed on upper connecting disc body 7, and the screw hole is threadedly connected with second screw rod 12 penetrating through lower fixed disc body at the end, locking nut 15 is threadedly connected on second screw rod 12, gasket 14 is sleeved on second screw rod 12 below locking nut 15, and spring 13 is sleeved on the part of second screw rod 12 between gasket 14 and lower fixed disc body.

[0029] Pressing cylinder 9, connecting cylinder 8 and barrel 1 are enclosed into a packing area of assembling sealing packing 11, and sealing packing 11 can be pressed by pressing cylinder, so that the part of drill rod 5 passing through barrel can be sealed.

[0030] The cooperation of spring 13, gasket 14 and second screw rod 12 can conveniently adjust the installation position of connecting cylinder 8, so as to adjust the degree of sealing packing 11 being pressed.

[0031] Specifically, sealing ring 16 is arranged between the inner wall of connecting cylinder 8 and the outer wall of barrel 1.

[0032] In the embodiment, the inner wall of connecting cylinder 8 can be provided with annular mounting groove, and the outer wall of barrel 1 can also be provided with assembly groove matched with the mounting groove, so as to accommodate sealing ring 16, so that the inner wall of connecting cylinder 8 and the outer wall of barrel 1 can be sealed.

[0033] Specifically, the lower connecting plate 2 is connected to the ground through the anchor screw 3.

[0034] In this embodiment, the anchor screw 3 connected to the ground is installed on the lower connecting plate 2, and the corrugated cover 4 is arranged between the lower connecting plate 2 and the ground, so that the water generated by the drilling hole cannot overflow from the part between the ground and the lower connecting plate 2.

[0035] The bottom end of the corrugated cover 4 is provided with a mounting plate connected to the ground through a screw.

[0036] Specifically, the drain pipe 6 is provided with a valve 17.

[0037] In this embodiment, the valve 17 can be a valve body such as a butterfly valve, a ball valve, etc., and the drain pipe 6 can be provided with corresponding components such as a pressure gauge.

[0038] Specifically, the part of the inner cavity of the barrel 1 below the drain pipe 6 is provided with a buffer plate 18 through which the drill rod 5 passes.

[0039] The buffer plate 18 is provided with a through hole 19 through which the drill rod 5 passes, and the buffer plate 18 is also uniformly provided with buffer holes 20.

[0040] In this embodiment, the inner cavity of the barrel 1 is provided with at least two layers of buffer plates 18, and after the drill rod 5 drills into the ground, the water flowing out of the drilling hole can be appropriately reduced in flow rate when passing through the buffer holes 20 on the buffer plate 18.

[0041] In summary, the blowout prevention device for water drilling and exploration, the connecting barrel 8 is sleeved on the top outer wall of the barrel 1, the top of the connecting barrel 8 is connected to the pressing barrel 9, and the pressing barrel 9, the connecting barrel 8 and the barrel 1 form a packing area in which the packing 11 is assembled, the packing 11 can be pressed by the pressing barrel, so that the part of the drill rod 5 passing through the barrel 1 can be sealed, and by providing the drain pipe 6, the water drilled out of the drilling hole can be conveniently discharged.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A blowout prevention device for a water-exploring borehole, comprising a cylindrical body (1) and a drill rod (5), characterized in that: The bottom of the outer wall of the cylinder (1) is fixedly fitted with a lower connecting plate (2). The bottom of the lower connecting plate (2) is provided with a corrugated cover (4) connected to the ground. The end of the drill rod (5) passes through the cylinder (1) and the corrugated cover (4). A drain pipe (6) communicating with its inner cavity is provided on one side of the cylinder (1). The top of the outer wall of the cylinder (1) is fixedly fitted with an upper connecting plate (7). The outer wall of the cylinder (1) is fitted with a connecting cylinder (8) connected to the upper connecting plate (7). The connecting cylinder (8) is in the shape of an I-beam. The connecting cylinder (8) is connected to a T-shaped pressure cylinder (9). A filling area filled with sealing filler (11) is formed between the pressure cylinder (9), the connecting cylinder (8), and the top of the cylinder (1).

2. The blowout prevention device for water exploration and drainage boreholes according to claim 1, characterized in that: The connecting cylinder (8) and the pressure cylinder (9) are connected by a first screw (10).

3. The blowout prevention device for water exploration and drainage boreholes according to claim 1, characterized in that: The connecting cylinder (8) has a lower fixed plate body, and the upper connecting plate (7) is threadedly connected to a second screw (12) with its end penetrating through the lower fixed plate body. A locking nut (15) is threadedly connected to the second screw (12), and a washer (14) located below the locking nut (15) is sleeved on the second screw (12). A spring (13) is sleeved on the part of the second screw (12) located between the washer (14) and the lower fixed plate body.

4. The blowout prevention device for water exploration and drainage boreholes according to claim 1, characterized in that: A sealing ring (16) is provided between the inner wall of the connecting cylinder (8) and the outer wall of the cylinder (1).

5. The blowout prevention device for water exploration and drainage boreholes according to claim 1, characterized in that: The lower connecting plate (2) is connected to the ground via an anchor bolt (3).

6. The blowout prevention device for water exploration and drainage boreholes according to claim 1, characterized in that: A valve (17) is installed on the drain pipe (6).

7. The blowout prevention device for water exploration and drainage boreholes according to claim 1, characterized in that: The inner cavity of the cylinder (1) located below the drain pipe (6) is fitted with a buffer plate (18) through which the drill rod (5) passes.

8. The blowout prevention device for water exploration and drainage boreholes according to claim 7, characterized in that: The buffer plate (18) has a through hole (19) through which the drill rod (5) passes, and the buffer plate (18) also has buffer holes (20) evenly distributed.

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