Outburst prevention device for underground drilling construction

Abstract

The utility model relates to the technical field of underground drilling, in particular to an outburst prevention device for underground drilling construction, which comprises a circular plate, the top of the circular plate is communicated and fixed with a circular pipe, the outer side of the circular pipe is fixedly sleeved with a bearing, and the outer side of the outer ring of the bearing is fixedly connected with an outer gear ring. When water inrush occurs in a drill hole, a motor drives an outer gear ring to rotate through a second gear, the outer gear ring drives a screw rod to rotate through rotation of an inner gear ring, the screw rod drives a vertical rod to extrude a connecting rod, and the connecting rod drives an arc-shaped clamping plate to move through an L-shaped rod to fix a drill rod. An arc-shaped clamping plate drives an arc-shaped rubber block to move to block a gap between a drill rod and a circular top plate, water inrush is prevented, a water pump works to pump out water in a circular pipe, during underground drilling, the water inrush prevention function is achieved, the phenomenon of water spraying in the drilling process cannot be caused, meanwhile, the drill rod can be fixed, and the drilling efficiency is improved. And the phenomenon of drill jacking caused by overhigh water pressure in the drill hole is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of underground drilling, in particular to an anti-burst device for underground drilling construction. Background Art

[0002] Drilling is the most direct technology for detecting hidden disaster-causing factors. It has the advantages of high precision, strong intuitiveness, and wide adaptability. It plays an increasingly important role in structural detection, old empty area detection, water exploration and release, gas pressure relief, fire area detection, and other hidden disaster-causing factors. In coal mines, iron mines, and tunnel drilling operations, when drilling initially exposes water-bearing areas, water spraying and drill rod ejection often occur, which can cause engineering accidents in severe cases.

[0003] The existing downhole drilling equipment does not have the function of preventing water bursts, which causes water spraying during the drilling process. At the same time, the water pressure in the borehole is too high, causing top drilling. For this reason, we propose an downhole drilling construction anti-blowout device to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a device for preventing outbursts in underground drilling construction, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an underground drilling construction anti-blowout device, comprising an annular plate, the top of the annular plate is connected to and fixed with a circular tube, the outer fixed sleeve of the circular tube is provided with a bearing, the outer side of the outer ring of the bearing is fixedly connected with an outer gear ring, the top of the outer gear ring is fixedly connected with an inner gear ring, the inner side of the inner gear ring is meshed with two first gears, the top of the first gear is fixedly connected with a screw, the outer side of the screw is threadedly connected with a vertical rod, the top of the vertical rod is rotatably connected with a connecting rod, the top of the connecting rod is rotatably connected with an L-shaped rod, the ends of the two L-shaped rods close to each other extend into the circular tube and are fixedly connected with an arc clamping plate, the circular tube sliding sleeve is arranged on the outer sides of the two L-shaped rods, the top of the arc clamping plate is fixedly connected with an arc rubber block, and a drill rod is arranged in the circular tube.

[0006] Further preferably, the bottom end of the drill rod extends to below the annular plate, and the top of the circular tube is fixedly connected to a circular top plate.

[0007] Further preferably, the circular top plate is movably sleeved on the outside of the drill rod, and a same spring is fixedly connected between the L-shaped rod and the circular tube.

[0008] Further preferably, a motor is fixedly connected to the top of the annular plate, and a second gear is fixedly connected to the end of the output shaft of the motor.

[0009] Further preferably, the second gear is meshed with the outer gear ring, and a liquid level sensor is fixedly connected to the inner side of the annular plate.

[0010] Further preferably, a control panel is fixedly connected to the front side of the circular tube, a water pump is fixedly connected to the top of the circular plate, a water inlet of the water pump extends into the circular tube, two pins are provided on both sides of the circular tube, and the circular plate is movably sleeved on the outside of the four pins.

[0011] Further preferably, both sides of the circular tube are fixedly connected with cross bars, and the cross bars are rotatably sleeved on the outside of the corresponding screw rods. Both sides of the circular tube are fixedly connected with fixed rods, and the fixed rods are slidably sleeved on the outside of the corresponding vertical rods.

[0012] Compared with the prior art, the utility model has the following beneficial effects: when water burst occurs in the borehole, the motor drives the outer gear ring to rotate through the second gear, the outer gear ring drives the screw to rotate through the rotation of the inner gear ring, the screw drives the vertical rod to squeeze the connecting rod, the connecting rod drives the arc-shaped clamping plate to move to fix the drill rod through the L-shaped rod, the arc-shaped clamping plate drives the arc-shaped rubber block to move to block the gap between the drill rod and the circular top plate to prevent water burst, the water pump works to pump out the water in the circular tube, and when drilling underground, it has the function of preventing water burst, will not cause water spraying during the drilling process, and can fix the drill rod at the same time to prevent the top drilling phenomenon caused by excessive water pressure in the borehole. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0014] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0015] Figure 3 for Figure 2 Schematic diagram of the enlarged structure of area A in the middle.

[0016] In the figure: 1. annular plate; 2. circular tube; 3. bearing; 4. outer gear ring; 5. inner gear ring; 6. first gear; 7. screw; 8. vertical rod; 9. connecting rod; 10. L-shaped rod; 11. arc-shaped clamping plate; 12. arc-shaped rubber block; 13. circular top plate; 14. drill rod; 15. spring; 16. motor; 17. second gear; 18. liquid level sensor; 19. control panel; 20. water pump; 21. pin; 22. cross bar; 23. fixing rod. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Example

[0019] See also Figure 1-3 The utility model provides a technical solution: an underground drilling construction anti-burst device, comprising a circular ring plate 1, the top of the circular ring plate 1 is connected to and fixed with a circular tube 2, the outer side of the circular tube 2 is fixedly sleeved with a bearing 3, the outer side of the outer ring of the bearing 3 is fixedly connected with an outer gear ring 4, the top of the outer gear ring 4 is fixedly connected with an inner gear ring 5, the inner side of the inner gear ring 5 is meshed with two first gears 6, the top of the first gear 6 is fixedly connected with a screw rod 7, the outer side of the screw rod 7 is threadedly connected with a vertical rod 8, the top of the vertical rod 8 is rotatably connected with a connecting rod 9, the top of the connecting rod 9 is rotatably connected with an L-shaped rod 10, the ends of the two L-shaped rods 10 close to each other are extended into the circular tube 2 and fixedly connected with an arc-shaped clamping plate 11, the circular tube 2 is slidably sleeved on the outer sides of the two L-shaped rods 10, and the arc-shaped clamping plate 11 is An arc-shaped rubber block 12 is fixedly connected to the top, and a drill rod 14 is arranged in the circular tube 2. When water burst occurs in the borehole, the motor 16 drives the outer gear ring 4 to rotate through the second gear 17, and the outer gear ring 4 drives the screw 7 to rotate through the inner gear ring 5, and the screw 7 drives the vertical rod 8 to squeeze the connecting rod 9. The connecting rod 9 drives the arc-shaped clamping plate 11 to move and fix the drill rod 14 through the L-shaped rod 10, and the arc-shaped clamping plate 11 drives the arc-shaped rubber block 12 to move and block the gap between the drill rod 14 and the circular top plate 13 to prevent water burst. The water pump 20 works to pump out the water in the circular tube 2. When drilling underground, it has the function of preventing water burst and will not cause water spraying during drilling. At the same time, it can fix the drill rod 14 to prevent the top drilling phenomenon caused by excessive water pressure in the borehole.

[0020] In this embodiment, specifically: the bottom end of the drill rod 14 extends to the bottom of the circular ring plate 1, and the top of the circular tube 2 is fixedly connected with a circular top plate 13;

[0021] In this embodiment, specifically: the circular top plate 13 is movably sleeved on the outside of the drill rod 14, and a spring 15 is fixedly connected between the L-shaped rod 10 and the circular tube 2, and the setting of the spring 15 plays an effect of automatic reset;

[0022] In this embodiment, specifically: a motor 16 is fixedly connected to the top of the annular plate 1, and a second gear 17 is fixedly connected to the end of the output shaft of the motor 16. The setting of the motor 16 has an automatic reset effect;

[0023] In this embodiment, specifically: the second gear 17 is meshed with the outer gear ring 4, and a liquid level sensor 18 is fixedly connected to the inner side of the annular plate 1;

[0024] In this embodiment, specifically: a control panel 19 is fixedly connected to the front side of the circular tube 2, a water pump 20 is fixedly connected to the top of the circular plate 1, a water inlet of the water pump 20 extends into the circular tube 2, two pins 21 are provided on both sides of the circular tube 2, the circular plate 1 is movably sleeved on the outside of the four pins 21, and the setting of the water pump 20 has an automatic reset effect;

[0025] In this embodiment, specifically: both sides of the circular tube 2 are fixedly connected with cross bars 22, which are rotatably sleeved on the outside of the corresponding screw rods 7, and both sides of the circular tube 2 are fixedly connected with fixed rods 23, which are slidably sleeved on the outside of the corresponding vertical rods 8.

[0026] The utility model is in operation: when in use, the annular plate 1 is inserted into the soil through four pins 21. When water burst occurs in the borehole, the liquid level sensor 18 detects the water and sends the information to the control panel 19. The control panel 19 starts the motor 16 to work. The motor 16 drives the second gear 17 to rotate. The second gear 17 drives the outer gear ring 4 to rotate. The outer gear ring 4 rotates to drive the inner gear ring 5 to rotate. The inner gear ring 5 rotates to drive the screw 7 to rotate. The screw 7 rotates to drive the vertical rod 8 to move upward to squeeze the connecting rod 9. Under the action of the squeezing force, the connecting rod 9 moves and rotates. The connecting rod 9 drives the corresponding L-shaped rod 10 to move. The L-shaped rod 10 is pressed against the spring 1 5 is compressed, the L-shaped rod 10 drives the corresponding arc-shaped clamping plate 11 to move, the arc-shaped clamping plate 11 fixes the drill rod 14, and at the same time the arc-shaped clamping plate 11 drives the corresponding arc-shaped rubber block 12 to move, the arc-shaped rubber block 12 moves to block the gap between the drill rod 14 and the circular top plate 13 to prevent water inrush, the control panel 19 starts the water pump 20 to pump out the water in the circular pipe 2, thereby forming an underground drilling construction anti-water inrush device, which has the function of preventing water inrush during underground drilling, will not cause water spraying during drilling, and can fix the drill rod 14 to prevent the top drilling phenomenon caused by excessive water pressure in the borehole.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for preventing outbursts during underground drilling construction, comprising a circular ring plate (1), characterized in that: The top of the annular plate (1) is connected to and fixed with a circular tube (2); a bearing (3) is fixedly sleeved on the outside of the circular tube (2); an outer gear ring (4) is fixedly connected to the outer side of the outer ring of the bearing (3); an inner gear ring (5) is fixedly connected to the top of the outer gear ring (4); two first gears (6) are meshed on the inner side of the inner gear ring (5); a screw rod (7) is fixedly connected to the top of the first gear (6); a vertical rod (8) is threadedly connected to the outer side of the screw rod (7); The top end of the vertical rod (8) is rotatably connected to a connecting rod (9), and the top end of the connecting rod (9) is rotatably connected to an L-shaped rod (10). The ends of the two L-shaped rods (10) that are close to each other extend into the circular tube (2) and are fixedly connected to an arc-shaped clamping plate (11). The circular tube (2) is slidably sleeved on the outside of the two L-shaped rods (10), and the top of the arc-shaped clamping plate (11) is fixedly connected to an arc-shaped rubber block (12). A drill rod (14) is arranged in the circular tube (2).

2. A device for preventing outbursts during underground drilling construction according to claim 1, characterized in that: The bottom end of the drill rod (14) extends to below the annular plate (1), and the top of the circular tube (2) is fixedly connected to a circular top plate (13).

3. A device for preventing outbursts during underground drilling construction according to claim 2, characterized in that: The circular top plate (13) is movably sleeved on the outside of the drill rod (14), and a spring (15) is fixedly connected between the L-shaped rod (10) and the circular tube (2).

4. A device for preventing outbursts during underground drilling construction according to claim 3, characterized in that: A motor (16) is fixedly connected to the top of the annular plate (1), and a second gear (17) is fixedly connected to the end of the output shaft of the motor (16).

5. The device for preventing outbursts during underground drilling construction according to claim 4 is characterized in that: The second gear (17) is meshed with the outer gear ring (4), and a liquid level sensor (18) is fixedly connected to the inner side of the annular plate (1).

6. A device for preventing outbursts during underground drilling construction according to claim 5, characterized in that: A control panel (19) is fixedly connected to the front side of the circular tube (2), a water pump (20) is fixedly connected to the top of the annular plate (1), a water inlet of the water pump (20) extends into the circular tube (2), two pins (21) are provided on both sides of the circular tube (2), and the annular plate (1) is movably sleeved on the outside of the four pins (21).

7. A device for preventing outbursts during underground drilling construction according to claim 6, characterized in that: Both sides of the circular tube (2) are fixedly connected with cross bars (22), and the cross bars (22) are rotatably sleeved on the outside of the corresponding screw rods (7). Both sides of the circular tube (2) are fixedly connected with fixed rods (23), and the fixed rods (23) are slidably sleeved on the outside of the corresponding vertical rods (8).

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