Drainage device for coal bed gas development

Abstract

The utility model belongs to the field of drainage devices for coal bed gas development, and particularly relates to a drainage device for coal bed gas development, which comprises a main body, a first connecting flange is fixedly connected onto the main body, a second connecting flange is in contact with the outer side of the first connecting flange, and a gas conveying pipe is arranged on the second connecting flange. A bolt is movably connected into the first connecting flange, a bolt is movably connected into the second connecting flange, a nut is connected to the outer side of the bolt through threads and makes contact with the second connecting flange, and a limiting mechanism is arranged on the outer side of the second connecting flange. According to the scheme, the annular groove, the sliding block, the connecting base, the sliding groove, the pull block, the handle and other components are designed, the sliding block is pulled to the designated position, then a bolt and a nut are installed on the designated position of the device, the sliding block is loosened, the sliding block moves into the annular groove, then the nut is limited, and the situation that the nut on the device is loosened after being used for a long time is avoided.

Description

Technical Field

[0001] The utility model belongs to the field of drainage devices for coal bed gas development, and in particular relates to a drainage device for coal bed gas development. Background Art

[0002] The drainage device for coalbed methane development is a drainage treatment device used in the coalbed methane well mining process. In the process of coalbed methane development, since there is a large amount of groundwater in the coal seam, it is necessary to drain the groundwater through the drainage device to ensure the normal production of the coalbed methane well. The utility model patent with the authorization announcement number CN209782250U proposes a drainage device for coalbed methane development, including a gas pipeline, the gas pipeline joint is fixedly connected to a gas collecting pipeline through a connecting flange, a sealing chamber is fixedly arranged at the bottom of the gas pipeline, a U-shaped groove is arranged in the inner cavity of the sealing chamber, a block is arranged at the top of the U-shaped groove, a water collecting ring is fixedly arranged between the top of the block and the top of the inner cavity of the gas pipeline, a first waterproof filter is arranged on both sides of the water collecting ring, a water accumulation bucket is opened on the top of the block, and the bottom of the water accumulation bucket is connected with the U-shaped groove through a water guide hole, a water storage tank is fixedly arranged at the bottom of the sealing chamber, a sleeve is fixedly arranged at the bottom of the inner cavity of the water storage tank, a water guide pipe is connected to the bottom of the U-shaped groove, a first drainage pipe is arranged at the bottom of the left side of the water storage tank, and a second drainage pipe is fixedly connected to the right side of the sleeve, so as to effectively discharge the condensed water in the gas collecting pipeline without affecting the sealing performance of the gas collecting pipeline, thereby ensuring the safe and stable operation of the gas collecting pipeline. However, the patent has the following shortcomings: when the nut is used for a long time, the device has no limiting mechanism, which may cause the nut on the device to loosen after long-term use; and when the first waterproof filter and the second waterproof filter on the device are used for a long time, the device has no anti-blocking mechanism, and the first waterproof filter and the second waterproof filter may be blocked, resulting in reduced working efficiency of the first waterproof filter and the second waterproof filter on the device. Therefore, it is necessary to improve the existing technology. Utility Model Content

[0003] The purpose of the utility model is to provide a drainage device for coalbed methane development, which solves the problem that when the nut is used for a long time, the device has no limiting mechanism, which may cause the nut on the device to loosen after long-term use, and when the first waterproof filter net and the second waterproof filter net on the device are used for a long time, the device has no anti-blocking mechanism, and the first waterproof filter net and the second waterproof filter net may be blocked, resulting in reduced working efficiency of the first waterproof filter net and the second waterproof filter net on the device.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a drainage device for coalbed methane development, including a main body, a first connecting flange is fixedly connected to the main body, the outer side of the first connecting flange contacts the second connecting flange, a gas pipeline is arranged on the second connecting flange, a bolt is movably connected inside the first connecting flange, a bolt is movably connected inside the second connecting flange, a nut is threadedly connected to the outer side of the bolt, the nut contacts the second connecting flange, a limiting mechanism is arranged on the outer side of the second connecting flange, a first waterproof filter is arranged inside the main body, a second waterproof filter is arranged inside the main body, an anti-blocking mechanism is arranged inside the main body, and the anti-blocking mechanism includes The motor is fixedly installed on the top of the main body, the rotating shaft of the motor is rotatably connected with the main body, the bottom of the rotating shaft of the motor is fixedly connected with a rotating column, the internal rotation of the main body is connected with the rotating column, the bottom of the rotating column is fixedly connected with a first bevel gear, the outer side of the first bevel gear is meshed with a second bevel gear, the internal fixed sleeve of the second bevel gear is connected with a rotating frame, the internal fixed connection of the main body is connected with a mounting bar, the internal rotation of the mounting bar is connected with a rotating frame, the left end of the rotating frame contacts with a first elastic block, the first elastic block is fixedly connected with a first waterproof filter net, the right end of the rotating frame contacts with a second elastic block, the second elastic block is fixedly connected with a second waterproof filter net. By starting the motor, the motor drives the rotating column to rotate, the rotating column rotates to drive the rotating frame and other components to rotate, the rotating frame rotates and hits the first elastic block and the second elastic block to vibrate, thereby causing the first waterproof filter net and the second waterproof filter net to vibrate, thereby preventing the first waterproof filter net and the second waterproof filter net from being blocked, and preventing the working efficiency of the first waterproof filter net and the second waterproof filter net on the device from being reduced.

[0005] The principle of the utility model is that when the nut on the device needs to be limited, the handle is pulled to move in the direction away from the slider, the movement of the handle drives the pull block to move, the movement of the pull block drives the slider to move, the movement of the slider compresses the elastic sponge, after the slider moves to the specified position, the bolt and the nut are installed to the specified position on the device, and then the handle is released, the elastic force of the elastic sponge drives the slider to move, the slider moves into the annular groove, and then the nut is limited, preventing the nut on the device from loosening after long-term use;

[0006] When the first waterproof filter screen and the second waterproof filter screen on the device are used for a long time, the motor is started, and the motor drives the rotating column to rotate. The rotation of the rotating column drives the first bevel gear to rotate. The rotation of the first bevel gear drives the second bevel gear to rotate. The rotation of the second bevel gear drives the rotating frame to rotate. The rotation of the rotating frame hits the first elastic block and the second elastic block to vibrate, thereby causing the first waterproof filter screen and the second waterproof filter screen to vibrate, thereby preventing the first waterproof filter screen and the second waterproof filter screen from being blocked, and preventing the working efficiency of the first waterproof filter screen and the second waterproof filter screen on the device from being reduced.

[0007] The beneficial effects of the utility model are as follows: the scheme pulls the slider to the specified position by designing annular grooves, sliders, connecting seats, sliding grooves, pull blocks and handles, and then installs the bolts and nuts to the specified positions on the device, and then loosens the slider, the slider moves into the annular groove, so that the nut is limited, and the nut on the device is prevented from loosening after long-term use. By designing motors, rotating columns, first bevel gears, second bevel gears, rotating frames and mounting strips, the motor is started, the motor drives the rotating column to rotate, the rotating column rotates to drive the rotating frame and other components to rotate, the rotating frame rotates and hits the first elastic block and the second elastic block to vibrate, and then the first waterproof filter and the second waterproof filter vibrate, thereby preventing the first waterproof filter and the second waterproof filter from being blocked, and preventing the working efficiency of the first waterproof filter and the second waterproof filter on the device from being reduced.

[0008] Furthermore, the limiting mechanism includes an annular groove, an annular groove is provided inside the nut, a slider is slidably connected inside the annular groove, a connecting seat is fixedly connected to the outside of the second connecting flange, the outside of the nut contacts the connecting seat, a guide rod is slidably connected inside the connecting seat, a pull block is slidably connected to the outside of the guide rod, an elastic sponge is arranged inside the connecting seat, and a slider is slidably connected inside the connecting seat. By pulling the slider to a specified position, and then installing the bolt and nut to a specified position on the device, and then loosening the slider, the slider moves into the annular groove, so that the nut is limited, and the nut on the device is prevented from loosening after long-term use.

[0009] Furthermore, a sliding groove is provided inside the connecting seat, and a pulling block is slidably connected inside the sliding groove. By designing the sliding groove, the pulling block can slide in the sliding groove.

[0010] Furthermore, a handle is fixedly connected to the pull block, and the handle is slidably connected to the connecting seat. The handle is designed to drive the pull block to move.

[0011] Furthermore, one end of the elastic sponge is fixedly connected to a slider, and the other end of the elastic sponge is fixedly connected to a connecting seat. By designing the elastic sponge, the slider has an elastic effect.

[0012] Furthermore, a bearing is fixedly sleeved inside the mounting bar, and a rotating frame is fixedly sleeved inside the bearing. The bearing can be designed to support the rotation of the rotating frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional diagram of the overall structure of a drainage device for coalbed methane development according to an embodiment of the present invention;

[0014] Figure 2The drainage device for coal bed gas development according to the embodiment of the present invention Figure 1 A sectional stereogram of the overall structure;

[0015] Figure 3 The drainage device for coal bed gas development according to the embodiment of the present invention Figure 1 A front cross-sectional view of

[0016] Figure 4 The drainage device for coal bed gas development according to the embodiment of the present invention Figure 2 An enlarged view of the first connecting flange;

[0017] Figure 5 The drainage device for coal bed gas development according to the embodiment of the present invention Figure 4 A magnified image of point A;

[0018] Figure 6 The drainage device for coal bed gas development according to the embodiment of the present invention Figure 3 Enlarged view of the motor. DETAILED DESCRIPTION

[0019] The following is further described in detail through specific implementation methods:

[0020] The figure marks in the drawings of the specification include: main body 1, first connecting flange 2, second connecting flange 3, air delivery pipe 4, bolt 5, nut 6, limiting mechanism 7, annular groove 71, slider 72, connecting seat 73, sliding groove 74, pull block 75, handle 76, guide rod 77, elastic sponge 78, first waterproof filter 8, second waterproof filter 9, anti-blocking mechanism 10, motor 101, rotating column 102, first bevel gear 103, second bevel gear 104, rotating frame 105, mounting bar 106, bearing 107, first elastic block 108, second elastic block 109.

[0021] like Figure 1 — Figure 6 As shown, this embodiment provides a drainage device for coalbed methane development, including a main body 1, a first connecting flange 2 is fixedly connected to the main body 1, the outer side of the first connecting flange 2 is in contact with the second connecting flange 3, a gas pipe 4 is arranged on the second connecting flange 3, a bolt 5 is movably connected inside the first connecting flange 2, the second connecting flange 3 is movably connected inside the bolt 5, a nut 6 is threadedly connected to the outer side of the bolt 5, the nut 6 is in contact with the second connecting flange 3, a limiting mechanism 7 is arranged on the outer side of the second connecting flange 3, a first waterproof filter screen 8 is arranged inside the main body 1, a second waterproof filter screen 9 is arranged inside the main body 1, and an anti-blocking mechanism 10 is arranged inside the main body 1.

[0022] like Figure 4 , Figure 5As shown, the limiting mechanism 7 includes an annular groove 71, an annular groove 71 is provided inside the nut 6, a slider 72 is slidably connected inside the annular groove 71, a connecting seat 73 is fixedly connected to the outer side of the second connecting flange 3, a sliding groove 74 is provided inside the connecting seat 73, a pull block 75 is slidably connected inside the sliding groove 74, and the pull block 75 can slide in the sliding groove 74 by designing the sliding groove 74, a handle 76 is fixedly connected to the pull block 75, and the handle 76 is slidably connected to the connecting seat 73. By designing the handle 76, it can be used to drive the pull block 75 to move, the outer side of the nut 6 contacts the connecting seat 73, and the connecting seat 73 is slidably connected to the guide Rod 77, the outer side of the guide rod 77 is slidably connected with a pull block 75, an elastic sponge 78 is arranged inside the connecting seat 73, one end of the elastic sponge 78 is fixedly connected with a slider 72, and the other end of the elastic sponge 78 is fixedly connected with the connecting seat 73. By designing the elastic sponge 78, the slider 72 has an elastic effect, and the inside of the connecting seat 73 is slidably connected with the slider 72. By pulling the slider 72 to the specified position, and then installing the bolt 5 and the nut 6 to the specified position on the device, and then loosening the slider 72, the slider 72 moves to the annular groove 71, so that the nut 6 is limited to prevent the nut 6 on the device from loosening after long-term use.

[0023] like Figure 1 , Figure 2 , Figure 3 , Figure 6As shown, the anti-blocking mechanism 10 includes a motor 101, the motor 101 is fixedly installed on the top of the main body 1, the rotating shaft of the motor 101 is rotatably connected to the main body 1, the bottom of the rotating shaft of the motor 101 is fixedly connected to a rotating column 102, the inside of the main body 1 is rotatably connected to the rotating column 102, the bottom of the rotating column 102 is fixedly connected to a first bevel gear 103, the outer side of the first bevel gear 103 is meshed with a second bevel gear 104, the inside of the second bevel gear 104 is fixedly sleeved with a rotating frame 105, the inside of the main body 1 is fixedly connected to a mounting bar 106, the inside of the mounting bar 106 is fixedly sleeved with a bearing 107, the inside of the bearing 107 is fixedly sleeved with the rotating frame 105, and the bearing 107 is designed to support the rotation of the rotating frame 105, and the internal rotation of the mounting bar 106 can be used to support the rotation of the rotating frame 105. The rotating frame 105 is dynamically connected, and the left end of the rotating frame 105 contacts the first elastic block 108, and the first elastic block 108 is fixedly connected to the first waterproof filter screen 8. The right end of the rotating frame 105 contacts the second elastic block 109, and the second elastic block 109 is fixedly connected to the second waterproof filter screen 9. By starting the motor 101, the motor 101 drives the rotating column 102 to rotate, and the rotation of the rotating column 102 drives the rotating frame 105 and other components to rotate. The rotating frame 105 rotates and hits the first elastic block 108 and the second elastic block 109 to vibrate, thereby causing the first waterproof filter screen 8 and the second waterproof filter screen 9 to vibrate, thereby preventing the first waterproof filter screen 8 and the second waterproof filter screen 9 from being blocked, and preventing the working efficiency of the first waterproof filter screen 8 and the second waterproof filter screen 9 on the device from being reduced.

[0024] The specific implementation process of the utility model is as follows: when the nut 6 on the device needs to be limited, the handle 76 is pulled to move in the direction away from the slider 72, the movement of the handle 76 drives the pull block 75 to move, the movement of the pull block 75 drives the slider 72 to move, the movement of the slider 72 compresses the elastic sponge 78, after the slider 72 moves to the specified position, the bolt 5 and the nut 6 are installed to the specified position on the device, and then the handle 76 is released, the elastic force of the elastic sponge 78 pushes the slider 72 to move, and the slider 72 moves into the annular groove 71, so that the nut 6 is limited, preventing the nut 6 on the device from loosening after long-term use;

[0025] When the first waterproof filter 8 and the second waterproof filter 9 on the device are used for a long time, the motor 101 is started, and the motor 101 drives the rotating column 102 to rotate. The rotation of the rotating column 102 drives the first bevel gear 103 to rotate. The rotation of the first bevel gear 103 drives the second bevel gear 104 to rotate. The rotation of the second bevel gear 104 drives the rotating frame 105 to rotate. The rotating frame 105 rotates and hits the first elastic block 108 and the second elastic block 109 to vibrate, thereby causing the first waterproof filter 8 and the second waterproof filter 9 to vibrate, thereby preventing the first waterproof filter 8 and the second waterproof filter 9 from being blocked, and preventing the working efficiency of the first waterproof filter 8 and the second waterproof filter 9 on the device from being reduced.

[0026] The present invention designs annular groove 71, slider 72, connecting seat 73, sliding groove 74, pull block 75 and handle 76 and other components, pulls slider 72 to the specified position, then installs bolt 5 and nut 6 to the specified position on the device, and then loosens slider 72, slider 72 moves into annular groove 71, so that nut 6 is limited to prevent nut 6 on the device from loosening after long-term use, and designs motor 101, rotating column 102, first bevel gear 103, second bevel gear 104, rotating frame 105 and mounting strip 106 and other components, starts motor 101, motor 101 drives rotating column 102 to rotate, and rotating column 102 rotates to drive rotating frame 105 and other components to rotate, rotating frame 105 rotates and hits first elastic block 108 and second elastic block 109 to vibrate, thereby causing first waterproof filter 8 and second waterproof filter 9 to vibrate, thereby preventing first waterproof filter 8 and second waterproof filter 9 from being blocked, and preventing the working efficiency of first waterproof filter 8 and second waterproof filter 9 on the device from being reduced.

[0027] It should be noted in advance that, in the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] The above is only an embodiment of the present invention, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the structure of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A drainage device for coalbed methane development, comprising a main body, characterized in that: A first connecting flange is fixedly connected to the main body, a second connecting flange is in contact with the outer side of the first connecting flange, an air delivery pipe is arranged on the second connecting flange, a bolt is movably connected inside the first connecting flange, a bolt is movably connected inside the second connecting flange, a nut is threadedly connected to the outer side of the bolt, the nut is in contact with the second connecting flange, a limiting mechanism is arranged on the outer side of the second connecting flange, a first waterproof filter is arranged inside the main body, a second waterproof filter is arranged inside the main body, an anti-blocking mechanism is arranged inside the main body, the anti-blocking mechanism includes a motor, and a motor is fixedly installed on the top of the main body The rotating shaft of the motor is rotatably connected to the main body, the bottom of the rotating shaft of the motor is fixedly connected to a rotating column, the internal rotatable connection of the main body is connected to the rotating column, the bottom of the rotating column is fixedly connected to a first bevel gear, the outer side of the first bevel gear is meshed with a second bevel gear, the internal fixed sleeve of the second bevel gear is connected to a rotating frame, the internal part of the main body is fixedly connected to a mounting bar, the internal rotatable connection of the mounting bar is connected to the rotating frame, the left end of the rotating frame contacts with a first elastic block, the first elastic block is fixedly connected to a first waterproof filter net, the right end of the rotating frame contacts with a second elastic block, and the second elastic block is fixedly connected to a second waterproof filter net.

2. The drainage device for coalbed methane development according to claim 1, characterized in that: The limiting mechanism includes an annular groove, an annular groove is opened inside the nut, a slider is slidably connected inside the annular groove, a connecting seat is fixedly connected to the outer side of the second connecting flange, the outer side of the nut contacts the connecting seat, a guide rod is slidably connected inside the connecting seat, a pulling block is slidably connected to the outer side of the guide rod, an elastic sponge is arranged inside the connecting seat, and a slider is slidably connected inside the connecting seat.

3. The drainage device for coalbed methane development according to claim 2, characterized in that: A sliding groove is provided inside the connecting seat, and a pulling block is slidably connected inside the sliding groove.

4. The drainage device for coalbed methane development according to claim 2, characterized in that: A handle is fixedly connected to the pulling block, and the handle is slidably connected to the connecting seat.

5. The drainage device for coalbed methane development according to claim 2, characterized in that: One end of the elastic sponge is fixedly connected to a sliding block, and the other end of the elastic sponge is fixedly connected to a connecting seat.

6. The drainage device for coalbed methane development according to claim 1, characterized in that: A bearing is fixedly sleeved inside the mounting bar, and a rotating frame is fixedly sleeved inside the bearing.

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