CN220667486U - Corrosion-resistant screw drilling tool structure - Google Patents
Corrosion-resistant screw drilling tool structure Download PDFInfo
- Publication number
- CN220667486U CN220667486U CN202322062965.0U CN202322062965U CN220667486U CN 220667486 U CN220667486 U CN 220667486U CN 202322062965 U CN202322062965 U CN 202322062965U CN 220667486 U CN220667486 U CN 220667486U
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- Prior art keywords
- screw
- corrosion
- drilling tool
- screw rod
- tool structure
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- 238000005553 drilling Methods 0.000 title claims abstract description 32
- 238000005260 corrosion Methods 0.000 title claims abstract description 23
- 230000007797 corrosion Effects 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 229910001080 W alloy Inorganic materials 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 abstract description 2
- 239000000498 cooling water Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 229910000617 Mangalloy Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model provides a corrosion-resistant screw drilling tool structure, and relates to the technical field of screw drilling tools. The corrosion-resistant screw drilling tool structure comprises: a transmission device; the drill bit mechanism is connected with the transmission equipment and comprises a screw rod, the screw rod is arranged below the transmission equipment, the outer surface of the screw rod is fixedly connected with a driven gear which coaxially rotates, the outer surface of the top of the screw rod is rotationally connected with a rotating ring, and the rotating ring is fixedly connected with the lower surface of the transmission equipment through a connecting rod; the outer surface integrated into one piece of screw rod has helical blade, and the center department of screw rod has seted up the through-hole that link up from top to bottom, is equipped with wire rope in the through-hole, and wire rope's upper end extends to the top of through-hole and is connected with transmission equipment's lower surface, and wire rope's lower extreme is connected with the movable block. The corrosion-resistant screw drilling tool structure provided by the utility model has the advantage of well falling prevention.
Description
Technical Field
The utility model relates to the technical field of screw drilling tools, in particular to a corrosion-resistant screw drilling tool structure.
Background
The screw drilling tool is used as an underground deflecting tool and consists of a bypass valve assembly, a motor assembly, a universal shaft assembly and a transmission shaft assembly 4; the shaft body of the transmission shaft is one of components with weaker strength in the drilling tool, and when in compound drilling, the shaft body bears larger alternating load for a long time, and fatigue cracks are easy to generate, so that the frequency of shaft breakage of the drilling tool is higher.
Referring to Chinese patent publication No. CN218092946U, a corrosion-resistant screw drilling tool structure is disclosed, wherein the wear resistance and corrosion resistance of the whole screw drilling tool can be greatly improved by arranging a first high manganese steel layer, a nickel-aluminum alloy coating and a second high manganese steel layer, and the service life of the whole device is prolonged;
however, when the anti-falling mechanism is not arranged in use, when the screw rod is broken when bearing a large alternating load for a long time, the broken screw rod can fall into the well in diameter, and the screw rod needs to be salvaged later.
Therefore, it is necessary to provide a new corrosion-resistant screw drilling tool structure to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a corrosion-resistant screw drilling tool structure with a well falling prevention function.
The utility model provides a corrosion-resistant screw drilling tool structure, which comprises: a transmission device; the drill bit mechanism is connected with the transmission equipment and comprises a screw rod, the screw rod is arranged below the transmission equipment, the outer surface of the screw rod is fixedly connected with a driven gear which coaxially rotates, the outer surface of the top of the screw rod is rotationally connected with a rotating ring, and the rotating ring is fixedly connected with the lower surface of the transmission equipment through a connecting rod; the outer surface of the screw is integrally formed with a helical blade, a through hole which penetrates up and down is formed in the center of the screw, a steel wire rope is arranged in the through hole, the upper end of the steel wire rope extends to the upper side of the through hole and is connected with the lower surface of the transmission equipment, and the lower end of the steel wire rope is connected with a movable block; a plurality of baffles which are distributed in a staggered way and used for blocking the movable blocks are fixedly connected in the through holes; and the gear mechanism is connected with the output end of the transmission equipment and is meshed with the driven gear.
Preferably, the screw and the helical blade are made of tungsten alloy.
Preferably, the gear mechanism comprises a connecting seat, the output end of the transmission device is connected with the connecting seat, the connecting seat is fixedly connected with a driving gear which coaxially rotates, and the driving gear is meshed with the driven gear.
Preferably, the top of wire rope is connected with the connecting block, and the connecting block rotates with transmission equipment's lower surface to be connected.
Preferably, the movable block is of a cylindrical structure, the diameter of the movable block is smaller than the inner diameter of the through hole, and the top of the screw rod is connected with a water inlet mechanism.
Preferably, the water inlet mechanism comprises a water inlet pipe and a rotary connector, and the top of the screw rod is rotationally connected with the water inlet pipe which is mutually communicated with the through hole while ensuring sealing through the rotary connector.
Preferably, the water inlet mechanism further comprises a connecting flange, and one end, far away from the rotary connector, of the water inlet pipe is connected with the connecting flange.
Compared with the related art, the corrosion-resistant screw drilling tool structure provided by the utility model has the following beneficial effects:
1. when the screw is broken at the weak part in the use process, the baffle is blocked by the movable block, so that the broken screw can be suspended, the broken screw is prevented from falling into the well, and the use of the device is facilitated;
2. in the use process, external cooling water can enter the through hole through the water inlet pipe, and the cooling water is finally sprayed out through the opening of the head of the screw rod, so that the heat dissipation of the screw rod and the spiral blade is facilitated, the work of the screw rod and the spiral blade is facilitated, and meanwhile, when the cooling water is sprayed out through the opening of the head of the screw rod, the scouring of soil blocks or bedrock of the head of the screw rod is realized, and the drilling speed is further improved.
Drawings
FIG. 1 is a schematic view of a corrosion-resistant screw drilling tool according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of the water inlet mechanism shown in FIG. 1;
FIG. 3 is a schematic view of the drill bit mechanism shown in FIG. 1;
FIG. 4 is a schematic view of a partial cross-sectional structure of the drill mechanism shown in FIG. 3;
fig. 5 is a schematic structural view of the gear mechanism shown in fig. 1.
Reference numerals in the drawings: 1. a water inlet mechanism; 11. a water inlet pipe; 12. a connecting flange; 13. a rotary connector; 2. a drill bit mechanism; 21. a connecting rod; 22. a helical blade; 23. a screw; 24. a rotating ring; 25. a driven gear; 26. a baffle; 27. a movable block; 28. a wire rope; 29. a through hole; 3. a gear mechanism; 31. a connecting seat; 32. a drive gear; 4. a transmission device; 5. and (5) connecting a block.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1 to 5, a corrosion-resistant screw drilling tool structure includes: a transmission device 4; a drill bit mechanism 2, wherein the drill bit mechanism 2 is connected with a transmission device 4; the gear mechanism 3, the said gear mechanism 3 is connected with the output end of the driving device 4, and the gear mechanism 3 meshes with the driven gear 25 each other.
It is necessary to explain that: the gear mechanism 3 can be driven to rotate by the operation of the transmission device 4, and the drill bit mechanism 2 can be driven to rotate by the gear mechanism 3.
Referring to fig. 1, 3 and 4, the drill bit mechanism 2 comprises a screw 23, the screw 23 is arranged below the transmission device 4, a driven gear 25 which coaxially rotates is fixedly connected to the outer surface of the screw 23, a rotating ring 24 is rotatably connected to the outer surface of the top of the screw 23, and the rotating ring 24 is fixedly connected with the lower surface of the transmission device 4 through a connecting rod 21; the outer surface of the screw 23 is integrally formed with a helical blade 22, a through hole 29 which penetrates up and down is formed in the center of the screw 23, a steel wire rope 28 is arranged in the through hole 29, the upper end of the steel wire rope 28 extends to the upper side of the through hole 29 and is connected with the lower surface of the transmission device 4, and the lower end of the steel wire rope 28 is connected with a movable block 27; a plurality of baffles 26 which are distributed in a staggered way and used for blocking the movable blocks 27 are fixedly connected in the through holes 29.
It is necessary to explain that: the screw 23 and the helical blade 22 form a drill bit, and the driven gear 25 can be driven to rotate through the gear mechanism 3 so as to drive the screw 23 and the helical blade 22 to rotate, thereby realizing drilling;
it also needs to be stated that: when the screw 23 rotates, because a gap is reserved between the movable block 27 and the through hole 29, and the steel wire rope 28 and the through hole 29 are concentrically arranged, the screw 23 can rotate relative to the movable block 27 and the steel wire rope 28, and then the movable block 27 and the steel wire rope 28 cannot interfere with the rotation of the screw 23, in the drilling process, when the weak position of the screw 23 breaks, under the action of gravity, the broken screw 23 moves downwards, so that the movable block 27 is in contact with the baffle 26, the baffle 26 is blocked by the movable block 27, and then the broken screw 23 can be suspended, so that the falling of the device is prevented, and the device is beneficial to use.
Referring to fig. 3, the screw 23 and the helical blade 22 are made of tungsten alloy.
It is necessary to explain that: the screw 23 and the helical blade 22 are made of cemented tungsten carbide, so that the wear resistance and corrosion resistance of the screw 23 and the helical blade 22 can be improved, and the service lives of the screw 23 and the helical blade 22 can be prolonged.
Referring to fig. 1 and 5, the gear mechanism 3 includes a connection seat 31, the output end of the transmission device 4 is connected with the connection seat 31, the connection seat 31 is fixedly connected with a driving gear 32 that coaxially rotates, and the driving gear 32 is meshed with the driven gear 25.
It is necessary to explain that: the driving gear 32 can be rotated by the transmission device 4, and the driven gear 25 can be rotated by the rotation of the driving gear 32.
Referring to fig. 1, a connection block 5 is connected to the top of the wire rope 28, and the connection block 5 is rotatably connected to the lower surface of the transmission device 4.
It is necessary to explain that: the reliability of the connection of the top of the wire rope 28 with the lower surface of the transmission device 4 is improved by the connection block 5.
Referring to fig. 1 and 4, the movable block 27 has a cylindrical structure, the diameter of the movable block 27 is smaller than the inner diameter of the through hole 29, and the top of the screw 23 is connected with the water inlet mechanism 1.
It is necessary to explain that: the injection of cooling water into the interior of the screw 23 can be achieved by the water inlet mechanism 1, and since the diameter of the movable block 27 is smaller than the inner diameter of the through hole 29, the cooling water can be finally ejected through the opening of the head of the screw 23.
Referring to fig. 1 and 2, the water inlet mechanism 1 includes a water inlet pipe 11 and a rotary joint 13, and the top of the screw 23 is rotatably connected with the water inlet pipe 11 which is mutually communicated with the through hole 29 while ensuring sealing through the rotary joint 13.
It is necessary to explain that: external cooling water can enter the through hole 29 through the water inlet pipe 11, and the cooling water is finally sprayed out through the opening of the head of the screw 23, so that heat dissipation of the screw 23 and the spiral blade 22 is facilitated, work of the screw 23 and the spiral blade 22 is facilitated, and meanwhile, when the cooling water is sprayed out through the opening of the head of the screw 23, scouring of soil blocks or bedrock at the head of the screw 23 is realized, and the drilling speed is further improved.
Referring to fig. 2, the water inlet mechanism 1 further includes a connection flange 12, and one end of the water inlet pipe 11 far away from the rotary connector 13 is connected with the connection flange 12.
It is necessary to explain that: the connection of the inlet pipe 11 to the external cooling water pipe is facilitated by the connection flange 12.
The working principle of the corrosion-resistant screw drilling tool structure provided by the utility model is as follows:
according to the utility model, the driving gear 32 can be rotated through the transmission device 4, the driven gear 25 can be driven to rotate through the rotation of the driving gear 32, and then the screw 23 and the helical blade 22 are driven to rotate, so that drilling is realized, when the weak part of the screw 23 breaks, under the action of gravity, the broken screw 23 moves downwards, so that the movable block 27 is in contact with the baffle 26, the baffle 26 is blocked through the movable block 27, and the broken screw 23 can be suspended, so that the broken screw 23 is prevented from falling into a well.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. A corrosion-resistant screw drilling tool structure, comprising:
a transmission device (4);
the drill bit mechanism (2), the drill bit mechanism (2) is connected with the transmission equipment (4), the drill bit mechanism (2) comprises a screw rod (23), the screw rod (23) is arranged below the transmission equipment (4), a driven gear (25) which coaxially rotates is fixedly connected to the outer surface of the screw rod (23), a rotating ring (24) is rotatably connected to the outer surface of the top of the screw rod (23), and the rotating ring (24) is fixedly connected with the lower surface of the transmission equipment (4) through a connecting rod (21); the outer surface of the screw rod (23) is integrally formed with a helical blade (22), a through hole (29) which penetrates up and down is formed in the center of the screw rod (23), a steel wire rope (28) is arranged in the through hole (29), the upper end of the steel wire rope (28) extends to the upper side of the through hole (29) and is connected with the lower surface of the transmission equipment (4), and the lower end of the steel wire rope (28) is connected with a movable block (27); a plurality of baffles (26) which are distributed in a staggered manner and used for blocking the movable blocks (27) are fixedly connected in the through holes (29);
the gear mechanism (3), the output end connection of gear mechanism (3) and transmission equipment (4), and gear mechanism (3) and driven gear (25) intermesh.
2. The corrosion-resistant screw drilling tool structure according to claim 1, wherein the screw (23) and the helical blades (22) are made of tungsten alloy.
3. The corrosion-resistant screw drilling tool structure according to claim 1, wherein the gear mechanism (3) comprises a connecting seat (31), the output end of the transmission device (4) is connected with the connecting seat (31), the connecting seat (31) is fixedly connected with a driving gear (32) which coaxially rotates, and the driving gear (32) is meshed with the driven gear (25).
4. The corrosion-resistant screw drilling tool structure according to claim 2, wherein the top of the steel wire rope (28) is connected with a connecting block (5), and the connecting block (5) is rotatably connected with the lower surface of the transmission device (4).
5. The corrosion-resistant screw drill structure according to any one of claims 1-4, wherein the movable block (27) is of a cylindrical structure, the diameter of the movable block (27) is smaller than the inner diameter of the through hole (29), and the top of the screw (23) is connected with the water inlet mechanism (1).
6. The corrosion-resistant screw drilling tool structure according to claim 5, wherein the water inlet mechanism (1) comprises a water inlet pipe (11) and a rotary connector (13), and the top of the screw (23) is rotationally connected with the water inlet pipe (11) which is mutually communicated with the through hole (29) through the rotary connector (13) while ensuring sealing.
7. The corrosion-resistant screw drilling tool structure according to claim 6, wherein the water inlet mechanism (1) further comprises a connecting flange (12), and one end of the water inlet pipe (11) far away from the rotary connector (13) is connected with the connecting flange (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322062965.0U CN220667486U (en) | 2023-08-02 | 2023-08-02 | Corrosion-resistant screw drilling tool structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322062965.0U CN220667486U (en) | 2023-08-02 | 2023-08-02 | Corrosion-resistant screw drilling tool structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220667486U true CN220667486U (en) | 2024-03-26 |
Family
ID=90334088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322062965.0U Active CN220667486U (en) | 2023-08-02 | 2023-08-02 | Corrosion-resistant screw drilling tool structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220667486U (en) |
-
2023
- 2023-08-02 CN CN202322062965.0U patent/CN220667486U/en active Active
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