Anti-leakage and anti-sticking power coil pipe system of drilling machine

Abstract

The utility model discloses a leakage-proof and adhesion-proof power coil pipe system of a drilling machine, which comprises a power coil pipe joint section and a power coil pipe drill bit section, a power coil pipe standard section is connected between one end of the power coil pipe joint section and the power coil pipe drill bit section; the power coil pipe standard section comprises a first main body steel pipe, and the inner wall of the first main body steel pipe is sleeved with a lining anti-sticking barrel; cutting teeth are arranged at the end, away from the power coil standard section, of the power coil drill bit section. According to the leakage-proof and adhesion-proof power coil pipe system of the drilling machine, the composite coil pipe is adopted, the composite coil pipe is not adhered to concrete, and a good leakage-proof effect is achieved.

Description

Technical Field

[0001] This utility model relates to the field of drilling and hole enlargement in all geological conditions, and in particular to a drilling rig anti-leakage and anti-adhesion dynamic swivel pipe system. Background Technology

[0002] Existing methods for drilling large-diameter cast-in-place piles all face insurmountable difficulties:

[0003] 1) Manual excavation: It is extremely dangerous to encounter toxic gas, quicksand, high water levels, silt, etc., and work must be stopped and a special project must be handled when encountering karst caves or underground rivers.

[0004] 2) Drilling with a percussion pile driver: poor hole quality, large amount of concrete loss, large environmental pollution, and inability to expand the hole. If the hammer falls or there is an underground river, work must be stopped and a special project needs to be handled.

[0005] 3) Rotary drilling machine hole formation: The hole formation quality is generally poor, there is some concrete loss, and hole enlargement is not possible. If encountering inclined rock, hard rock, large karst caves, or underground rivers, work must be suspended and the project handled separately.

[0006] 4) Submerged rotary drilling rig: Cannot drill holes. If it encounters sloping rock, hard rock, large karst caves, or underground rivers, work must be stopped and the project handled separately.

[0007] To fundamentally overcome the difficulties of existing underground drilling, after years of research and development, the "Rotating Pipe Driving Machine" project, encompassing technologies such as patents 202110577984X and 2021105779939, has passed simulation and mathematical research at Harbin Institute of Technology (a research and development report is available). The project's engineering prototype testing, technology refinement, model design, and related specification formulation are also progressing smoothly. Based on this, a "Vertical All-Geological Drilling and Enlargement Rig" has been developed.

[0008] According to the project research report, the "rotary pipe driving pile driver" can achieve barrier-free construction of large-diameter holes under all geological conditions on land, achieving low energy consumption, low pollution, high safety, and fast progress during construction. However, there are still areas that need improvement, including:

[0009] 1) Drill bit separation equipment is complex and difficult to operate.

[0010] 2) The drilling equipment is fixed on the drill plate, which is easy to damage and difficult to repair.

[0011] 3) The spiral pipe is easy to bond with the concrete, which is not conducive to pipe removal; the lifting hole of the spiral pipe is exposed, causing excessive groundwater to flow into the inner cavity of the spiral pipe, which affects construction.

[0012] 4) When encountering extremely hard rock formations, there is a possibility that the entire piling machine may be lifted up.

[0013] 5) The pile driver support is not fixed to the lower part of the rotating pipe, which makes the rotating pipe prone to deviation; the pile driver support is separated from the crane, making the hoisting operation difficult. Utility Model Content

[0014] The purpose of this utility model is to provide a drilling rig anti-leakage and anti-adhesion power swivel system that can solve the above-mentioned technical problems.

[0015] To achieve the above objectives, this utility model provides a drilling rig anti-leakage and anti-adhesion power swivel pipe system, including a power swivel pipe connector section and a power swivel pipe drill bit section; a power swivel pipe standard section is connected between one end of the power swivel pipe connector section and the power swivel pipe drill bit section; the power swivel pipe standard section includes a first main steel pipe, and an inner anti-adhesion sleeve is fitted on the inner wall of the first main steel pipe; a tooth is provided on the end of the power swivel pipe drill bit section away from the power swivel pipe standard section.

[0016] Furthermore, the sidewall of the power rotary drill bit section is provided with a hole-expanding and soil-discharging hole and a hole-expanding machine matching hole.

[0017] Furthermore, the first main body steel pipe of the standard section of the power rotary tube is provided with a first joint protrusion and a first joint recess at both ends of its edge; the power rotary tube drill bit section includes a second main body steel pipe, and a second joint protrusion and a second joint recess are provided at the edge of the second main body steel pipe away from the cutting teeth; the first joint protrusion of the standard section of the power rotary tube is spliced ​​with the second joint recess of the power rotary tube drill bit section, and the first joint recess of the standard section of the power rotary tube is spliced ​​with the second joint protrusion of the power rotary tube drill bit section; a joint inner lining steel ring is provided on the inner wall of the splice between the standard section of the power rotary tube and the power rotary tube drill bit section.

[0018] Furthermore, the joint inner lining steel ring includes a first joint inner lining steel ring, which is located inside the end of the standard section of the power swivel tube. A section of the first joint inner lining steel ring adjacent to the end of the inner lining anti-sticking cylinder is sleeved on the inner wall of the first main steel pipe, and a section of the first joint inner lining steel ring away from the inner lining anti-sticking cylinder is located inside the first joint protrusion.

[0019] Furthermore, the joint inner lining steel ring also includes a second joint inner lining steel ring, which is located inside the end of the power rotary drill bit section. The section of the second joint inner lining steel ring near the cutting teeth is fitted onto the inner wall of the second main steel pipe, and the section of the second joint inner lining steel ring away from the cutting teeth is located inside the second joint protrusion plate. The second joint inner lining steel ring located in the power rotary drill bit section and the first joint inner lining steel ring in the adjacent power rotary standard section are arranged adjacent to each other.

[0020] Furthermore, the first joint has a first lifting hole on its inner steel ring, and the second joint has a second lifting hole on its inner steel ring.

[0021] Furthermore, the number of the power swivel tube standard sections is at least two and arranged sequentially along the axial direction; in two adjacent power swivel tube standard sections, the first joint protrusion of one power swivel tube standard section is spliced ​​with the first joint recess of the other power swivel tube standard section; the inner wall of the splice of two adjacent power swivel tube standard sections is provided with the first joint inner lining steel ring.

[0022] Furthermore, the sidewall of the power rotary drill bit section is provided with interlocking matching holes.

[0023] Beneficial effects

[0024] Compared with the prior art, the advantages of the drilling rig anti-leakage and anti-adhesion solid dynamic swivel pipe system of this utility model are as follows:

[0025] 1. The standard section of the power spiral pipe includes a first main steel pipe, and an inner anti-stick sleeve is fitted on the inner wall of the first main steel pipe to form a composite spiral pipe. The inner anti-stick sleeve is made of plastic. Since plastic is oily and concrete is alkaline, they will not stick to each other, thus providing a good leak-proof effect.

[0026] 2. The swivel tube can transmit huge swivel pressure and pull-out force, forming a perfect protective wall for the borehole wall and providing perfect internal space for construction.

[0027] 3. Through the cooperation of the connector convex plate and the connector recess, a quick and reliable connection and separation can be achieved between the power rotary drill bit section and the power rotary standard section, as well as between adjacent power rotary standard sections.

[0028] The present invention will become clearer from the following description and in conjunction with the accompanying drawings, which are used to explain the embodiments of the present invention. Attached Figure Description

[0029] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0030] Figure 1 The main view of the drilling rig's anti-leakage and anti-adhesion power swivel pipe system;

[0031] Figure 2 for Figure 1 A magnified view of a portion of the image;

[0032] Figure 3 This is the front view of the power rotary tube connector section;

[0033] Figure 4 This is the front view of a standard section of a power spinneret;

[0034] Figure 5 This is a cross-sectional view of a standard section of a power spinner tube;

[0035] Figure 6 This is the front view of the power rotary drill bit section;

[0036] Figure 7 This is a cross-sectional view of the power rotary drill bit section. Detailed Implementation

[0037] Embodiments of the present invention will now be described with reference to the accompanying drawings.

[0038] Example

[0039] The specific embodiments of this utility model are as follows: Figures 1 to 7 As shown, a drilling rig anti-leakage and anti-adhesion power swivel system includes a power swivel connector section 51 and a power swivel drill bit section 54. A standard power swivel section 52 is connected between one end of the power swivel connector section 51 and the power swivel drill bit section 54. The standard power swivel section 52 includes a first main steel pipe 521, and an anti-adhesion liner 526 is fitted onto the inner wall of the first main steel pipe 521. A toothed section 546 is provided at the end of the power swivel drill bit section 54 away from the standard power swivel section 52. The anti-adhesion liner 526 is made of plastic. At least two teeth 546 are arranged at the lower edge of the power swivel drill bit section 54.

[0040] In this embodiment, the upper edge of the power swivel joint section 51 is provided with multiple connecting pin holes 511. The lower end of the power swivel joint section 51 is connected to the spinning core transmission ring (not shown in the figure) of the drilling rig spinning core transmission system by bolts passing through the connecting pin holes 511, realizing the variable cross-section connection function between the core power mechanism and the swivel. The spinning core transmission ring of the drilling rig spinning core transmission system is used to drive the swivel to rotate and to provide downward pressure to the swivel.

[0041] The lower end of the power spin tube connector section 51 and the adjacent power spin tube standard section 52 are detachably connected by an automatic connection mechanism 50. The structure of the automatic connection mechanism 50 has been disclosed in patent document number 2021105779892.

[0042] The sidewall of the power rotary drill bit section 54 is provided with a hole-reaming and soil-discharging hole 548 and a hole-reaming machine fitting hole 549. In this embodiment, the adjacent edges of the hole-reaming and soil-discharging hole 548 and the hole-reaming machine fitting hole 549 are connected. The hole-reaming machine fitting hole 549 includes a vertically arranged horizontal bearing edge 5491 and a horizontally arranged vertical bearing edge 5492. During drilling, a hole-reaming machine is also provided inside the power rotary drill bit section 54. The hole-reaming machine extends its cutter laterally to the hole-reaming machine fitting hole 549 through a lateral telescopic structure. The cutter can perform hole-reaming as the power rotary drill bit section 54 rotates. Sand particles enter the inside of the rotary tube from the hole-reaming and soil-discharging hole 548 and are discharged from the top of the rotary tube manually or by equipment.

[0043] The first main steel pipe 521 of the standard section 52 of the power rotary pipe is provided with a first joint protrusion 532 and a first joint recess 522 at both ends. The power rotary pipe drill bit section 54 includes a second main steel pipe 541, the wall thickness of which is greater than that of the first main steel pipe 521. A second joint protrusion 543 and a second joint recess 542 are provided at the edge of the second main steel pipe 541 away from the cutting teeth 546. The first joint protrusion 532 of the standard section 52 of the power rotary pipe is spliced ​​with the second joint recess 542 of the power rotary pipe drill bit section 54, and the first joint recess 522 of the standard section 52 of the power rotary pipe is spliced ​​with the second joint protrusion 543 of the power rotary pipe drill bit section 54. A joint inner lining steel ring is provided on the inner wall of the splice between the standard section 52 of the power rotary pipe and the power rotary pipe drill bit section 54. The joint inner lining steel ring can enhance the strength of the joint and the stability of the connection.

[0044] In this embodiment, the first connector protrusion 532, the first connector recess 522, the second connector protrusion 543, and the second connector recess 542 are all dovetail-shaped. Taking adjacent power spin tube standard sections 52 as an example, when the two are spliced, a insert 532 is provided between the first connector protrusion 532 of one power spin tube standard section 52 and the first connector protrusion 532 of the other power spin tube standard section 52 to fill the gap between them. The power spin tube standard section 52 and the insert 532 are fixed together by a spring pin 531. The insert 532 and the spring pin 531 can prevent relative rotation between adjacent power spin tube standard sections 52.

[0045] The joint inner lining steel ring includes a first joint inner lining steel ring 524, which is located inside the end of the standard section 52 of the power swivel tube. A section of the first joint inner lining steel ring 524 adjacent to the end of the inner anti-sticking cylinder 526 is sleeved on the inner wall of the first main steel pipe 521, and a section of the first joint inner lining steel ring 524 away from the inner anti-sticking cylinder 526 is located inside the first joint protrusion 532.

[0046] The joint liner steel ring also includes a second joint liner steel ring 544, which is located inside the end of the power rotary drill bit section 54. A section of the second joint liner steel ring 544 near the cutting tooth 546 is fitted onto the inner wall of the second main steel pipe 541, while a section of the second joint liner steel ring 544 away from the cutting tooth 546 is located inside the second joint protrusion 543. The second joint liner steel ring 544 located in the power rotary drill bit section 54 and the first joint liner steel ring 524 located in the adjacent power rotary standard section 52 are arranged adjacent to each other.

[0047] The first joint's inner steel ring 524 has a first lifting hole 525, and the second joint's inner steel ring 544 has a second lifting hole 545. After the joint is screwed together, the lifting holes are covered by the joint's protruding plate, which provides excellent leak prevention.

[0048] There are at least two standard sections 52 of the power swivel tube, arranged sequentially along the axial direction. In two adjacent standard sections 52, the first joint protrusion 532 of one standard section 52 is spliced ​​with the first joint recess 522 of the other standard section 52. The inner wall of the splice of two adjacent standard sections 52 is provided with a first joint inner lining steel ring 524.

[0049] The upper side wall of the power rotary drill bit section 54 is provided with an interlocking fitting hole 547. The lower part of the power rotary drill bit section 54 can be connected to the drill disc body through a drill disc connection locking mechanism, realizing the connection function of the drill disc, the hole raising machine and the rotary drill bit.

[0050] The present invention has been described above in conjunction with the preferred embodiments, but the present invention is not limited to the embodiments disclosed above, but should cover various modifications and equivalent combinations made in accordance with the essence of the present invention.

Claims

1. A drilling rig anti-leakage and anti-adhesion power swivel pipe system, comprising a power swivel pipe joint section (51), characterized in that, It also includes a power rotary drill bit section (54); a power rotary joint section (51) is connected to the power rotary drill bit section (54) at one end; the power rotary standard section (52) includes a first main steel pipe (521), and an inner anti-sticking sleeve (526) is fitted on the inner wall of the first main steel pipe (521); a toothed tooth (546) is provided on the end of the power rotary drill bit section (54) away from the power rotary standard section (52).

2. The drilling rig anti-leakage and anti-adhesion dynamic swivel pipe system according to claim 1, characterized in that, The side wall of the power rotary drill bit section (54) is provided with a hole for drilling and soil discharge (548) and a hole for drilling machine fitting (549).

3. The drilling rig anti-leakage and anti-adhesion dynamic swivel pipe system according to claim 1, characterized in that, The first main steel pipe (521) of the power rotary tube standard section (52) is provided with a first joint protrusion (532) and a first joint recess (522) at both ends of the first main steel pipe (521); the power rotary tube drill bit section (54) includes a second main steel pipe (541), and a second joint protrusion (543) and a second joint recess (542) are provided at the edge of the second main steel pipe (541) away from the cutting teeth (546); the first joint protrusion (532) of the power rotary tube standard section (52) is spliced ​​with the second joint recess (542) of the power rotary tube drill bit section (54), and the first joint recess (522) of the power rotary tube standard section (52) is spliced ​​with the second joint protrusion (543) of the power rotary tube drill bit section (54); a joint inner lining steel ring is provided on the inner wall of the splice between the power rotary tube standard section (52) and the power rotary tube drill bit section (54).

4. The drilling rig anti-leakage and anti-adhesion dynamic swivel pipe system according to claim 3, characterized in that, The joint inner lining steel ring includes a first joint inner lining steel ring (524), which is located inside the end of the standard section (52) of the power swivel tube. A section of the first joint inner lining steel ring (524) adjacent to the end of the inner lining anti-sticking cylinder (526) is sleeved on the inner wall of the first main steel pipe (521), and a section of the first joint inner lining steel ring (524) away from the inner lining anti-sticking cylinder (526) is located inside the first joint protrusion plate (532).

5. The drilling rig anti-leakage and anti-adhesion dynamic swivel pipe system according to claim 4, characterized in that, The joint inner lining steel ring also includes a second joint inner lining steel ring (544). The second joint inner lining steel ring (544) is located inside the end of the power rotary drill bit section (54). A section of the second joint inner lining steel ring (544) near the cutting tooth (546) is sleeved on the inner wall of the second main steel pipe (541), and a section of the second joint inner lining steel ring (544) away from the cutting tooth (546) is located inside the second joint protrusion plate (543). The second joint inner lining steel ring (544) located in the power rotary drill bit section (54) and the first joint inner lining steel ring (524) in the adjacent power rotary standard section (52) are arranged adjacent to each other.

6. The drilling rig anti-leakage and anti-adhesion dynamic swivel pipe system according to claim 5, characterized in that, The first joint inner steel ring (524) is provided with a first lifting hole (525), and the second joint inner steel ring (544) is provided with a second lifting hole (545).

7. The drilling rig anti-leakage and anti-adhesion dynamic swivel pipe system according to claim 4, characterized in that, The number of the power swivel tube standard sections (52) is at least two and arranged sequentially along the axial direction; in two adjacent power swivel tube standard sections (52), the first joint protrusion (532) of one power swivel tube standard section (52) is spliced ​​with the first joint recess (522) of the other power swivel tube standard section (52); the inner wall of the splice of two adjacent power swivel tube standard sections (52) is provided with the first joint inner lining steel ring (524).

8. The drilling rig anti-leakage and anti-adhesion dynamic swivel pipe system according to claim 1, characterized in that, The side wall of the power rotary drill bit section (54) is provided with interlocking matching holes (547).

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