CN220081368U - Novel reverse circulation rig is with clear hole device - Google Patents
Novel reverse circulation rig is with clear hole device Download PDFInfo
- Publication number
- CN220081368U CN220081368U CN202321596630.0U CN202321596630U CN220081368U CN 220081368 U CN220081368 U CN 220081368U CN 202321596630 U CN202321596630 U CN 202321596630U CN 220081368 U CN220081368 U CN 220081368U
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- rotation
- hole cleaning
- hole
- piston rod
- sleeve
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- 238000004140 cleaning Methods 0.000 claims abstract description 66
- 239000002893 slag Substances 0.000 claims abstract description 37
- 238000005553 drilling Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims description 17
- 210000004907 gland Anatomy 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241001417935 Platycephalidae Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses a novel hole cleaning device for a reverse circulation drilling machine, which is applied to the technical field of geological exploration and comprises a hole cleaning structure, wherein the hole cleaning structure comprises a hole cleaning oil cylinder and a hole cleaning connecting sleeve, the hole cleaning connecting sleeve comprises a main pipeline, the hole cleaning oil cylinder comprises a cylinder barrel and a piston rod, the cylinder barrel is sheathed on the periphery of the piston rod, the upper end of the cylinder barrel is connected to the lower end of the main pipeline, the upper end of the piston rod extends into the main pipeline, the hole cleaning structure further comprises an anti-rotation structure, the anti-rotation structure comprises an anti-rotation sleeve and an anti-rotation rod, the anti-rotation sleeve is connected to the upper end of the main pipeline, the top of the anti-rotation sleeve is provided with an opening sealing cover, a first rectangular groove is formed in the center of the opening sealing cover, the anti-rotation rod is in the first rectangular groove in a sliding clamping manner, and the lower end of the anti-rotation rod is fixed on the piston rod. The utility model solves the problem that the traditional hole cleaning structure rotates due to the reaction force in the slag cleaning process, and when the hole is cleaned, the relative rotation of the piston rod and the hole cleaning connecting sleeve is prevented by the anti-rotation mechanism, so that the operation safety and the production efficiency are greatly improved.
Description
Technical Field
The utility model relates to the technical field of geological exploration, in particular to a novel hole cleaning device for a reverse circulation drilling machine.
Background
In the field construction process of the existing reverse circulation water well drilling machine, when the slag returning effect of the system fails, reverse slag removal treatment is needed to be carried out on a slag returning channel of the drilling machine, namely a drill rod inner cavity, a slag removal structure is installed between a slag discharging port and a rotary joint in the current main flow slag removal scheme, so that a high-pressure air joint is not needed to be replaced when reverse slag removal treatment is carried out, a control valve is only needed to be operated, timely hole removal is achieved according to requirements, production efficiency is improved, labor intensity is relieved, but the hole removal structure is often rotated due to reaction force generated in cleaning engineering, and the reverse slag removal effect is affected.
Disclosure of Invention
The utility model aims to provide a novel hole cleaning device for a reverse circulation drilling machine, which solves the problem that the traditional hole cleaning structure rotates due to reaction force in the reverse slag cleaning process.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model discloses a novel hole cleaning device for a reverse circulation drilling machine, which comprises a hole cleaning structure, wherein the hole cleaning structure comprises a hole cleaning oil cylinder and a hole cleaning connecting sleeve, the hole cleaning connecting sleeve is a cross-shaped pipeline, the hole cleaning connecting sleeve comprises a main pipeline, and branch pipelines are connected to two sides of the main pipeline; the hole cleaning oil cylinder comprises a cylinder barrel and a piston rod, the cylinder barrel is hermetically sleeved on the periphery of the piston rod, the upper end of the cylinder barrel is connected to the lower end of the main pipeline, the two ends of the piston rod are exposed out of the cylinder barrel, the upper end of the piston rod extends into the main pipeline, a back blowing channel and a slag discharging hole are arranged in the piston rod, one port of the back blowing channel extends to the lower end of the piston rod, the other port of the back blowing channel extends to the outer wall of the piston rod, and the slag discharging hole is positioned above the back blowing channel and is radially arranged in the slag discharging hole; the method is characterized in that: the hole cleaning structure further comprises an anti-rotation structure, the anti-rotation structure comprises an anti-rotation sleeve and an anti-rotation rod, the anti-rotation sleeve is connected to the upper end of the main pipeline, an opening sealing cover is arranged at the top of the anti-rotation sleeve, a first rectangular groove is formed in the center of the opening sealing cover, the anti-rotation rod is slidably clamped in the first rectangular groove, and the lower end of the anti-rotation rod is fixedly connected with the top end of the piston rod.
Preferably, the lower extreme of preventing the bull stick is provided with embedding head and circular dog, the processing of the higher authority of circular dog has anti-rotation square flat head.
Preferably, the anti-rotation structure further comprises an anti-rotation gland, the anti-rotation gland is fixed at the top end of the piston rod through a bolt, a round hole matched with the round stop block and a second rectangular groove matched with the Fang Biantou are formed in the center of the anti-rotation gland, and the round hole coincides with the center of the second rectangular groove.
Preferably, a blind hole is formed in the top end of the piston rod, and the embedding head is embedded in the blind hole.
Preferably, the slag discharging holes are internally provided with first wear-resistant sleeves, and the branch pipelines are internally provided with second wear-resistant sleeves.
Preferably, the first wear sleeve is nested in the slag hole by an interference fit.
Preferably, flange parts are arranged at the tops of the two second wear-resistant sleeves, counter bores are formed in the end faces of the two branch pipelines, and the second wear-resistant sleeves are installed in the counter bores through the flange parts at the tops of the second wear-resistant sleeves.
Compared with the prior art, the utility model has the beneficial technical effects that:
the utility model provides a novel hole cleaning device for a reverse circulation drilling machine, which solves the problem that a hole cleaning structure is often rotated due to the reaction force generated in cleaning engineering, and the effect of reverse slag cleaning is affected.
Drawings
The utility model is further described with reference to the following description of the drawings.
FIG. 1 is a schematic diagram of a clear hole structure in an embodiment of the utility model;
FIG. 2 is a schematic view of an anti-rotation mechanism according to an embodiment of the present utility model;
FIG. 3 is a schematic view of an anti-rotation sleeve according to an embodiment of the present utility model;
FIG. 4 is a front view of an anti-rotation lever according to an embodiment of the present utility model;
FIG. 5 is a right side view of the anti-rotation bar according to an embodiment of the present utility model;
FIG. 6 is a schematic view of an anti-rotation gland according to an embodiment of the present utility model;
FIG. 7 is a schematic diagram of a hole cleaning cylinder according to an embodiment of the present utility model;
FIG. 8 is a schematic view of the installation of a wear sleeve in accordance with an embodiment of the present utility model;
FIG. 9 is a schematic view of a clear hole connecting sleeve according to an embodiment of the present utility model;
FIG. 10 is a schematic view of a second wear sleeve in accordance with an embodiment of the present utility model;
fig. 11 is an installation schematic diagram of a novel hole cleaning device for a reverse circulation drilling machine in an embodiment of the utility model.
Reference numerals illustrate: 1. a slag discharge port; 2. a hole cleaning structure; 201. a hole cleaning oil cylinder; 201-1, cylinder barrel; 201-2, a piston rod; 201-3, a guide sleeve; 201-4, an oil cylinder tail; 201-5, controlling an oil port; 201-6, back flushing the channel; 201-7, a slag discharging hole; 201-8, blind holes; 202. cleaning a hole connecting sleeve; 202-1, a main pipeline; 202-2, branch pipes; 202-3, counter bore; 203. an anti-rotation mechanism; 203-1, anti-rotation sleeve; 203-2, an anti-rotation rod; 203-3, an opening cover; 203-4, an anti-rotation gland; 203-5, a first rectangular groove; 203-6, embedding heads; 203-7, a circular stop block; 203-8, square flat heads; 203-9, a circular hole; 203-10, a second rectangular groove; 204-1, a first wear sleeve; 204-2, a second wear sleeve; 204-3, a flange portion; 3. a rotary joint; 4. an air inlet; 5. a hydraulic control valve; 6. a first high pressure air ball valve; 7. a second high pressure air ball valve; 8. and the air inlet of the power head of the drilling machine.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1, the embodiment of the utility model provides a novel hole cleaning device for a reverse circulation drilling machine, which comprises a hole cleaning structure 2, wherein the hole cleaning structure 2 comprises a hole cleaning oil cylinder 201 and a hole cleaning connecting sleeve 202, the hole cleaning connecting sleeve 202 is a cross-shaped pipeline, the hole cleaning connecting sleeve 202 comprises a main pipeline 202-1, and branch pipelines 202-2 are welded on two sides of the main pipeline 202-1; the hole cleaning oil cylinder 201 comprises a cylinder 201-1 and a piston rod 201-2, wherein the cylinder 201-1 is sealed and sleeved on the periphery of the piston rod 201-2, the upper end of the cylinder 201-1 is connected to the lower end of a main pipeline 202-1 through bolts, two ends of the piston rod 201-2 are exposed out of the cylinder 201-1, the upper end of the piston rod 201-2 extends into the main pipeline 202-1, a blowback channel 201-6 and a slag discharging hole 201-7 are arranged in the piston rod 201-2, one port of the blowback channel 201-6 extends to the lower end of the piston rod 201-2, the other port extends to the outer wall of the piston rod 201-2, the slag discharging hole 201-7 is located above the blowback channel 201-6, and the slag discharging holes 201-7 are radially arranged.
As shown in fig. 2 and 3, the hole cleaning structure 2 further includes an anti-rotation structure 203, the anti-rotation structure 203 includes an anti-rotation sleeve 203-1 and an anti-rotation rod 203-2, the anti-rotation sleeve 203-1 is connected to the upper end of the main pipe 202-1 through a bolt, an opening cover 203-3 is arranged at the top of the anti-rotation sleeve 203-1, a first rectangular groove 203-5 is formed in the center of the opening cover 203-3, the anti-rotation rod 203-2 is slidably clamped in the first rectangular groove 203-5, and the lower end of the anti-rotation rod 203-2 is fixedly connected with the top end of the piston rod 201-2.
As shown in fig. 4 to 7, the lower end of the anti-rotation lever 203-2 is provided with an insertion head 203-6 and a circular stopper 203-7, and an anti-rotation Fang Biantou 203-8 is formed on the upper side of the circular stopper 203-7. The anti-rotation structure 203 further comprises an anti-rotation cover 203-4, the anti-rotation cover 203-4 is fixed on the top end of the piston rod 201-2 through a bolt, a round hole 203-9 matched with the round stop block 203-7 and a second rectangular groove 203-10 matched with the Fang Biantou 203-8 are formed in the center of the anti-rotation cover 203-4, and the round hole 203-9 coincides with the center of the second rectangular groove 203-10. The top end of the piston rod 201-2 is provided with a blind hole 201-8, and the embedded head 203-6 is embedded in the blind hole 201-8.
As shown in fig. 7, the hole cleaning cylinder 201 further includes a guide sleeve 201-3, a cylinder tail 201-4 and a control oil port 201-5, the left end of the cylinder 201-1 is provided with the cylinder tail 201-4 for installing the sealing device, the right end inner side of the cylinder 201-1 is provided with an internal thread for installing the guide sleeve 201-3, the guide sleeve 201-3 is arranged between the cylinder 201-1 and the piston rod 201-2 through the internal thread, and one side of the cylinder 201-1 is provided with the two control oil ports 201-5.
As shown in fig. 8, a first wear sleeve 204-1 is disposed in the slag hole 201-7 and a second wear sleeve 204-2 is disposed in both branch pipes 202-2. In this embodiment, the first wear sleeve 204-1 is nested in the slag discharge hole 201-7 by an interference fit.
As shown in fig. 9 and 10, the top of the two second wear sleeves 204-2 is provided with a flange portion 204-3, the end surfaces of the two branch pipes 202-2 are provided with counter bores 202-3, and the second wear sleeves 204-2 are mounted in the counter bores 202-3 through the flange portions 204-3 at the tops thereof.
As shown in fig. 11, the emptying structure 2 is installed between the rotary joint 3 and the slag discharging port 1 of the drill power head, branch pipes 202-2 on two sides of the emptying connecting sleeve 202 are communicated with the rotary joint 3 and the slag discharging port 1 through connecting flanges, an air inlet 4 is connected to a port of a back blowing channel 201-6 at the bottom of the emptying oil cylinder 201 through threads, the air inlet 4 is connected with the high-pressure air pipe through a first high-pressure air balloon valve 6, a second high-pressure air balloon valve 7 is arranged on the high-pressure air pipe connected with the air inlet 8 of the drill power head, a hydraulic control valve 5 is communicated with a control oil port 201-5 through connecting pipes, and the control oil port 201-5 is used for controlling left and right movement of a piston rod 201-2.
The action process of the utility model is as follows:
when the device works normally, the high-pressure air balloon valve 6 is closed, the high-pressure air ball valve 7 is opened, and the hole cleaning mechanism 2 is in a normal slag returning working state; when the slag returning effect of the system fails, the high-pressure air ball valve 7 is closed, the high-pressure air ball valve 6 is opened, the hydraulic control valve 5 is operated to enable the piston rod 201-2 to move upwards, the first wear-resistant sleeve 204-2 also moves upwards, the anti-rotation rod 203-2 extends outwards from the anti-rotation sleeve 203-1, a slag discharging channel is closed after the slag discharging channel reaches a designated position, the back-blowing channel 201-6 is communicated with the hollow cavity of the rotary joint 3, the hole cleaning mechanism 2 is in a graphical reverse hole cleaning working state, reverse hole cleaning operation can be carried out when high-pressure air is opened, at the moment, the cooperation between the square flat head 203-8 and the first rectangular groove 203-5 prevents the piston rod 201-2 from rotating relative to the hole cleaning connecting sleeve 202, and the phenomenon that the piston rod 201-2 rotates due to reaction force generated in cleaning engineering is avoided, so that the reverse slag cleaning effect is influenced; after the purpose of hole cleaning is achieved, reverse operation return can be performed to perform normal construction operation, meanwhile, the problem that a slag returning hole is easy to wear is solved, only the wear degree of the slag returning hole is required to be checked regularly, the wear-resistant sleeve is replaced timely, and the defect that the whole replacement cost of the hole cleaning connecting sleeve 202 is high is overcome.
The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.
Claims (5)
1. The novel hole cleaning device for the reverse circulation drilling machine comprises a hole cleaning structure (2), wherein the hole cleaning structure (2) comprises a hole cleaning oil cylinder (201) and a hole cleaning connecting sleeve (202), the hole cleaning connecting sleeve (202) is a cross-shaped pipeline, the hole cleaning connecting sleeve (202) comprises a main pipeline (202-1), and branch pipelines (202-2) are connected to two sides of the main pipeline (202-1); the hole cleaning oil cylinder (201) comprises a cylinder barrel (201-1) and a piston rod (201-2), the cylinder barrel (201-1) is hermetically sleeved on the periphery of the piston rod (201-2), the upper end of the cylinder barrel (201-1) is connected to the lower end of the main pipe (202-1), the two ends of the piston rod (201-2) are exposed out of the cylinder barrel (201-1), the upper end of the piston rod (201-2) extends into the main pipe (202-1), a blowback channel (201-6) and a slag discharging hole (201-7) are arranged in the piston rod (201-2), one port of the blowback channel (201-6) extends to the lower end of the piston rod (201-2), the other port of the blowback channel extends to the outer wall of the piston rod (201-2), and the slag discharging hole (201-7) is positioned above the blowback channel (201-6) and the slag discharging hole (201-7) is radially arranged; the method is characterized in that: the hole cleaning structure (2) further comprises an anti-rotation structure (203), the anti-rotation structure (203) comprises an anti-rotation sleeve (203-1) and an anti-rotation rod (203-2), the anti-rotation sleeve (203-1) is connected to the upper end of the main pipeline (202-1), an opening sealing cover (203-3) is arranged at the top of the anti-rotation sleeve (203-1), a first rectangular groove (203-5) is formed in the center of the opening sealing cover (203-3), and the anti-rotation rod (203-2) is slidably clamped in the first rectangular groove (203-5), and the lower end of the anti-rotation rod (203-2) is fixedly connected with the top end of the piston rod (201-2).
2. The novel hole cleaning device for a reverse circulation drilling machine according to claim 1, wherein: the lower end of the anti-rotation rod (203-2) is provided with an embedded head (203-6) and a round stop block (203-7), and an anti-rotation Fang Biantou (203-8) is processed on the upper edge of the round stop block (203-7);
the anti-rotation structure (203) further comprises an anti-rotation gland (203-4), the anti-rotation gland (203-4) is fixed at the top end of the piston rod (201-2) through a bolt, a round hole (203-9) matched with the round stop block (203-7) and a second rectangular groove (203-10) matched with the Fang Biantou (203-8) are formed in the center of the anti-rotation gland (203-4), and the round hole (203-9) coincides with the center of the second rectangular groove (203-10);
the top end of the piston rod (201-2) is provided with a blind hole (201-8), and the embedding head (203-6) is embedded in the blind hole (201-8).
3. The novel hole cleaning device for a reverse circulation drilling machine according to claim 1, wherein: the slag discharging holes (201-7) are internally provided with first wear-resistant sleeves (204-1), and the branch pipelines (202-2) are internally provided with second wear-resistant sleeves (204-2).
4. The novel hole cleaning device for a reverse circulation drilling machine according to claim 3, wherein: the first wear sleeve (204-1) is nested in the slag discharge hole (201-7) by interference fit.
5. The novel hole cleaning device for a reverse circulation drilling machine according to claim 3, wherein: the tops of the two second wear-resistant sleeves (204-2) are provided with flange parts (204-3), counter bores (202-3) are formed in the end faces of the two branch pipelines (202-2), and the second wear-resistant sleeves (204-2) are installed in the counter bores (202-3) through the flange parts (204-3) at the tops of the second wear-resistant sleeves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321596630.0U CN220081368U (en) | 2023-06-21 | 2023-06-21 | Novel reverse circulation rig is with clear hole device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321596630.0U CN220081368U (en) | 2023-06-21 | 2023-06-21 | Novel reverse circulation rig is with clear hole device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220081368U true CN220081368U (en) | 2023-11-24 |
Family
ID=88826870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321596630.0U Active CN220081368U (en) | 2023-06-21 | 2023-06-21 | Novel reverse circulation rig is with clear hole device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220081368U (en) |
-
2023
- 2023-06-21 CN CN202321596630.0U patent/CN220081368U/en active Active
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