CN215761516U - Large-diameter drilling tool waterway structure - Google Patents
Large-diameter drilling tool waterway structure Download PDFInfo
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- CN215761516U CN215761516U CN202121730150.XU CN202121730150U CN215761516U CN 215761516 U CN215761516 U CN 215761516U CN 202121730150 U CN202121730150 U CN 202121730150U CN 215761516 U CN215761516 U CN 215761516U
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Abstract
The utility model relates to a waterway structure of a large-diameter drilling tool, and belongs to the technical field of geological exploration equipment. The technical scheme is as follows: the connector I (1) is provided with a plurality of inclined water holes I (5) along the circumferential direction, the connector II (2) is internally provided with a water channel III (6), the tail end of the connector II is provided with a plurality of inclined water holes II (10) along the circumferential direction, and the inclined water holes I, the water channel III and the inclined water holes II are sequentially communicated to form a first water flow passage; the outer surface of the circular ring of the seat ring (4) is provided with a water channel four (8), the upper end surface is provided with a water channel five (7), the lower end surface is provided with a water channel six (9), the water channel five water channel four is communicated with the water channel six in sequence to form a second water flow channel, and the upper water channel (A) and the lower water channel (B) are communicated through a first water flow channel and the second water flow channel respectively. The utility model has the following positive effects: the arrangement of the two water flow passages changes the direction and the speed of water flow, reduces the impact force of the water flow at the joint, and avoids the accident caused by the fact that the joint is broken by flushing liquid.
Description
Technical Field
The utility model relates to a waterway structure of a large-diameter drilling tool, and belongs to the technical field of geological exploration equipment.
Background
In the aspect of large-caliber drilling, oil drilling is used as much, an oil drill rod is used for drilling, the footage speed is high, the efficiency is high, and the discharge capacity of a flushing liquid supply device matched with the footage speed is large. The existing method for drilling the core by the petroleum adopts a geological drilling tool, but the discharge capacity of a flushing fluid supply device used for geological drilling is small, the water path of the used drilling tool is matched with the displacement capacity, the situation that the drilling tool is damaged by the flushing fluid when the flushing fluid is applied to the petroleum drilling is easy to occur, the situation that the drilling tool is not matched when the drill bit used in the geological drilling is drilled into the petroleum is also easy to damage by the flushing fluid.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a waterway structure of a large-diameter drilling tool, which is improved to meet the requirement of large-diameter drilling and solves the problems in the prior art.
The technical scheme of the utility model is as follows:
a large-diameter water path structure of a drilling tool is characterized in that a gap between an outer pipe and an inner pipe assembly forms a water path of the drilling tool and comprises a joint I, a joint II, a stop ring and a seat ring which are arranged in the outer pipe, wherein the joint I and the joint II are connected through threads; the first connector is provided with a plurality of first inclined water holes along the circumferential direction, a third water channel is arranged inside the second connector, the tail end of the second connector is provided with a plurality of second inclined water holes along the circumferential direction, and the first inclined water holes, the third water channel and the second inclined water holes are sequentially communicated to form a first water flow channel; the outer ring surface of the seat ring is provided with a water channel four, the upper end surface of the seat ring is provided with a water channel five, the lower end surface of the seat ring is provided with a water channel six, the water channel five, the water channel four and the water channel six are sequentially communicated to form a second water flow passage, and the upper water channel and the lower water channel are respectively communicated through the first water flow passage and the second water flow passage.
The upper water channel is communicated with the lower water channel through a first inclined water hole, a third water channel and a second inclined water hole in sequence; the upper waterway is communicated with the lower waterway sequentially through the fifth waterway, the fourth waterway and the sixth waterway.
The upper end face of the seat ring is provided with a plurality of water ways five along the circumferential direction, the lower end face of the seat ring is provided with a plurality of water ways six along the circumferential direction, and the plurality of water ways five and the plurality of water ways six are respectively communicated through corresponding water ways four.
The number of the first inclined water holes is 2-8.
The utility model has the following positive effects: the arrangement of the two water flow passages at the joint changes the direction and the speed of water flow, reduces the impact force of the water flow at the joint, and avoids the accident caused by the fact that the joint is broken by flushing fluid.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the mounting structure of the present invention;
FIG. 3 is a side view of the seat ring of the present invention;
FIG. 4 is a top view of the seat ring of the present invention;
in the figure: the water channel assembly comprises a first connector 1, a second connector 2, a stop ring 3, a seat ring 4, an inclined water hole 5, a third water channel 6, a fifth water channel 7, a fourth water channel 8, a sixth water channel 9, an inclined water hole 10, an upper water channel A, a lower water channel B, a drill bit C, an outer pipe D and an inner pipe assembly E.
Detailed Description
The utility model is further described with reference to the following figures and examples:
a large-diameter water path structure of a drilling tool is characterized in that a gap between an outer pipe D and an inner pipe assembly E forms a water path of the drilling tool and comprises a joint I1, a joint II 2, a stop ring 3 and a seat ring 4 which are arranged in the outer pipe D, the joint I1 and the joint II 2 are connected through threads, the stop ring 3 is tightly sleeved at the joint of the joint I1 and the joint II 2, the seat ring 4 is annular, an outer ring is arranged in a groove in the inner wall of the outer pipe D, an inner ring is sleeved at the joint of the stop ring 3 and the joint II 2, the water path above the seat ring 4 is an upper water path A, and the water path below the seat ring 4 is a lower water path B; the connector I1 is provided with a plurality of inclined water holes I5 along the circumferential direction, the connector II 2 is internally provided with a water channel III 6, the tail end of the connector I is provided with a plurality of inclined water holes II 10 along the circumferential direction, and the inclined water holes I5, the water channel III 6 and the inclined water holes II 10 are sequentially communicated to form a first water flow channel; the outer ring surface of the seat ring 4 is provided with a water channel four 8, the upper end surface of the seat ring is provided with a water channel five 7, the lower end surface of the seat ring is provided with a water channel six 9, the water channel five 7, the water channel four 8 and the water channel six 9 are sequentially communicated to form a second water flow passage, and the upper water channel A and the lower water channel B are respectively communicated through a first water flow passage and a second water flow passage.
The upper end face of the seat ring 4 is provided with a plurality of water ways five 7 along the circumferential direction, the lower end face of the seat ring is provided with a plurality of water ways six 9 along the circumferential direction, and the plurality of water ways five 7 are communicated with the plurality of water ways six 9 through corresponding water ways four 8 respectively.
The number of the first inclined water holes 5 is 2-8.
With reference to fig. 1, the specific embodiment of the present invention in which the upper waterway a is communicated with the lower waterway B is as follows: the outlet of the inclined water hole II 10 in the first water flow passage can be communicated with the water channel six 9 in the second water flow passage, and the first water flow passage and the second water flow passage are communicated with the lower water channel B through the water channel six 9 together, so that the structure is more compact. The upper waterway A is communicated with the lower waterway B sequentially through the inclined water hole I5, the waterway III 6, the inclined water hole II 10 and the waterway VI 9, which is the condition that the upper waterway A is communicated with the lower waterway B through the first water flow passage; the upper water passage a is communicated with the lower water passage B sequentially through the fifth water passage 7, the fourth water passage 8 and the sixth water passage 9, and the upper water passage a and the lower water passage B are communicated with each other through the second water passage. Two rivers route are connected upper portion water route A and lower part water route B, have alleviateed the rivers resistance of oblique water hole one 5 and two 10 departments in oblique water hole, avoid causing oblique water hole one 5 and two 10 in oblique water hole to be washed out by the flush fluid and be damaged, cause the accident.
And a gap between the outer pipe D and the inner pipe assembly E forms a water channel of the drilling tool, the water channel above the seat ring 8 is an upper water channel A, the water channel between the seat ring 8 and the drill bit C is a lower water channel B, and water flows through the upper water channel A, then respectively enters the lower water channel B through two water flow channels, and finally returns to the ground surface through the drill bit C from a gap between the outer pipe and the hole wall.
Claims (4)
1. The utility model provides a large-diameter drilling tool waterway structure, the space between outer tube (D) and inner tube assembly (E) forms the water route of drilling tool, its characterized in that: the water-saving joint comprises a first joint (1), a second joint (2), a stop ring (3) and a seat ring (4) which are arranged in an outer pipe (D), wherein the first joint (1) and the second joint (2) are connected through threads, the stop ring (3) is tightly sleeved at the joint of the first joint (1) and the second joint (2), the seat ring (4) is in a circular ring shape, an outer ring is arranged in a groove in the inner wall of the outer pipe (D), an inner ring is sleeved at the joint of the stop ring (3) and the second joint (2), a water path above the seat ring (4) is an upper water path (A), and a water path below the seat ring (4) is a lower water path (B); the connector I (1) is provided with a plurality of inclined water holes I (5) along the circumferential direction, the connector II (2) is internally provided with a water channel III (6), the tail end of the connector I is provided with a plurality of inclined water holes II (10) along the circumferential direction, and the inclined water holes I (5), the water channel III (6) and the inclined water holes II (10) are sequentially communicated to form a first water flow channel; the water channel structure is characterized in that a water channel four (8) is arranged on the outer annular surface of the seat ring (4), a water channel five (7) is arranged on the upper end surface, a water channel six (9) is arranged on the lower end surface, the water channel five (7), the water channel four (8) and the water channel six (9) are sequentially communicated to form a second water flow channel, and the upper water channel (A) and the lower water channel (B) are respectively communicated through the first water flow channel and the second water flow channel.
2. The waterway structure of the large-caliber drilling tool according to claim 1, wherein: the upper water channel (A) is communicated with the lower water channel (B) sequentially through a first inclined water hole (5), a third water channel (6) and a second inclined water hole (10); the upper water channel (A) is communicated with the lower water channel (B) sequentially through a fifth water channel (7), a fourth water channel (8) and a sixth water channel (9).
3. The waterway structure of the large-caliber drilling tool according to claim 1, wherein: the upper end face of the seat ring (4) is provided with a plurality of water ways five (7) along the circumferential direction, the lower end face of the seat ring is provided with a plurality of water ways six (9) along the circumferential direction, and the plurality of water ways five (7) and the plurality of water ways six (9) are communicated with each other through corresponding water ways four (8) respectively.
4. The waterway structure of the large-caliber drilling tool according to claim 1 or 3, wherein: the number of the inclined water holes I (5) is 2-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121730150.XU CN215761516U (en) | 2021-07-28 | 2021-07-28 | Large-diameter drilling tool waterway structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121730150.XU CN215761516U (en) | 2021-07-28 | 2021-07-28 | Large-diameter drilling tool waterway structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215761516U true CN215761516U (en) | 2022-02-08 |
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ID=80108104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121730150.XU Active CN215761516U (en) | 2021-07-28 | 2021-07-28 | Large-diameter drilling tool waterway structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215761516U (en) |
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2021
- 2021-07-28 CN CN202121730150.XU patent/CN215761516U/en active Active
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