CN220389580U - Positioning and shearing device for nonmetallic water pumping pipe in drilling - Google Patents
Positioning and shearing device for nonmetallic water pumping pipe in drilling Download PDFInfo
- Publication number
- CN220389580U CN220389580U CN202321563192.8U CN202321563192U CN220389580U CN 220389580 U CN220389580 U CN 220389580U CN 202321563192 U CN202321563192 U CN 202321563192U CN 220389580 U CN220389580 U CN 220389580U
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- China
- Prior art keywords
- cutter
- fixed cylinder
- pumping pipe
- nonmetallic
- damping spring
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Links
- 238000005086 pumping Methods 0.000 title claims abstract description 35
- 238000010008 shearing Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 19
- 238000005553 drilling Methods 0.000 title description 4
- 238000013016 damping Methods 0.000 claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 229910052755 nonmetal Inorganic materials 0.000 description 9
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model belongs to the technical field of pipeline cutting equipment, and particularly relates to a positioning and shearing device for a nonmetallic pumping pipe in a borehole, which comprises a fixed cylinder, a rotating device, a first cutter, a second cutter, a scale steel wire rope, a lifting ring, a first damping spring, a second damping spring and a bracket, wherein the inner diameter of the fixed cylinder is larger than the outer diameter of the nonmetallic pumping pipe; the cutting position is controlled by the scale steel wire rope, so that the cutting position can be ensured to meet the requirement; the first cutter and the second cutter which are matched with each other through the cutting edges cut the nonmetallic pumping pipe, so that the nonmetallic pumping pipe can be cut off efficiently and completely.
Description
Technical Field
The utility model belongs to the technical field of pipeline cutting equipment, and particularly relates to a positioning and shearing device for a nonmetal water pumping pipe in a drill hole.
Background
At present, pipeline cutting is visible everywhere in daily work, and the development of the pipeline industry is promoted along with continuous progress of scientific technology, but the positioning cutting of pipelines which are deep in a drilling hole and cannot be contacted artificially is an important technical problem to be solved in work, and the pipeline cutting specific position is required to be ensured to meet the requirements while the complete cutting of the pipeline is ensured.
Most of the devices which are currently used for cutting pipes in a borehole are used for cutting pipes which need to be cut, but the cutting mode requires that the inner diameter of the cut pipe is larger than the outer diameter of the cutting device, and the cutting device is inconvenient to move in the pipe because part of non-metal pipes bend in the borehole.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model provides a positioning and shearing device for a nonmetal water pumping pipe in a drill hole, which is used for solving the technical problem that the nonmetal water pumping pipe with smaller inner diameter and bending can not be efficiently cut in the drill hole in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a positioning and shearing device for a nonmetallic pumping pipe in a borehole, which is characterized by comprising:
the fixed cylinder is a circular tube with openings at two ends;
the rotating device is arranged at a corresponding position at the top of the fixed cylinder;
the first cutter is a semicircular cutter, the middle part of the arc surface of the first cutter is fixedly connected to the rotating device and can turn around the rotating device in the vertical direction, and the plane of the first cutter is provided with a cutting edge;
the second cutter is a semicircular cutter, the middle part of the arc surface of the second cutter is fixedly connected to the rotating device and can turn around the rotating device in the vertical direction, and the plane of the second cutter is provided with a cutting edge;
one end of the scale steel wire rope is movably connected with the hanging ring;
the hanging ring is fixedly connected to the corresponding position at the top of the fixed cylinder;
one end of the first damping spring is fixedly connected to the lower end face of the first cutter, and the other end of the first damping spring is arranged on a bracket of the fixed cylinder;
one end of the second damping spring is fixedly connected to the lower end face of the second cutter, and the other end of the second damping spring is arranged on the bracket of the fixed cylinder;
and the bracket is arranged below the inside of the fixed cylinder.
Further, the inner diameter of the fixed cylinder is larger than the outer diameter of the nonmetallic water pumping pipe.
Further, the cambered surface radius of the first cutter and the second cutter is larger than the inner diameter of the fixed cylinder, and the first cutter and the second cutter cannot rotate to the inside of the fixed cylinder when turning downwards.
Further, when the lower end surfaces of the first cutter and the second cutter are in contact with the upper end surface of the fixed cylinder and are in a horizontal direction, the first damping spring and the second damping spring are in a stretching state.
Further, when the lower end surfaces of the first cutter and the second cutter are in contact with the upper end surface of the fixed cylinder and are in a horizontal direction, the first damping spring and the second damping spring are in an just-unstretched state.
Still further, when first cutter, second cutter are in horizontal position, the cutting edge of first cutter and the cutting edge of second cutter cooperate each other, can be complete cut the nonmetallic pumping pipe.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the positioning and shearing device for the nonmetallic water pumping pipe in the drill hole, the fixed cylinder is sleeved on the outer side of the nonmetallic water pumping pipe, and the nonmetallic water pumping pipe is cut through the cutter at the top of the fixed cylinder, so that the nonmetallic water pumping pipe with smaller caliber and bending can be cut.
2. According to the utility model, the cutting position is controlled by the scale steel wire rope, so that the cutting position can be ensured to meet the requirement.
3. According to the utility model, the nonmetallic water pumping pipe is cut through the first cutter and the second cutter with the blades matched with each other, so that the nonmetallic water pumping pipe can be cut off efficiently and completely.
Drawings
FIG. 1 is a schematic diagram of a positioning and shearing device for a nonmetallic pumping pipe in a borehole;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic illustration of the present utility model in an unsevered pipe condition;
fig. 4 is a schematic view showing a state of cutting a pipe according to the present utility model.
Reference numerals referred to in the drawings are:
1. a fixed cylinder; 2. rotating the pin; 3-1, a first cutter; 3-2, a second cutter; 4. a scale wire rope; 5. a hanging ring; 6-1, a first damping spring; 6-2, a second damping spring; 7. and (3) a bracket.
Detailed Description
In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1 to 2, a positioning and shearing device for a nonmetallic pumping pipe in a borehole comprises: the cutting machine comprises a fixed cylinder 1, a rotating device 2, a first cutter 3-1, a second cutter 3-2, a scale steel wire rope 4, a hanging ring 5, a first damping spring 6-1, a second damping spring 6-2 and a bracket 7.
The fixed cylinder 1 is a circular tube with two open ends, the inner diameter of the fixed cylinder 1 is larger than the outer diameter of the nonmetallic water pumping tube, the lifting ring 5 is fixedly connected to the corresponding position of the top of the fixed cylinder 1, one fixed end of the scale steel wire rope 4 penetrates through the lifting ring 5 to be movably connected with the lifting ring 5, and a bracket 7 which can be matched with the first damping spring 6-1 and the second damping spring 6-2 is arranged at the bottom end of the inside of the fixed cylinder 1.
The rotary device 2 is arranged at a corresponding position at the top of the fixed cylinder 1, the first cutter 3-1 is a semicircular cutter, the middle part of the circular arc surface of the first cutter 3-1 is fixedly connected to the rotary device 2, the first cutter 3-1 can overturn around the rotary device 2 in the vertical direction, the plane of the first cutter 3-1 is provided with a cutting edge, the cambered surface radius of the first cutter 3-1 is larger than the inner diameter of the fixed cylinder 1, the first cutter 3-1 cannot rotate to the inside of the fixed cylinder 1 when rotating downwards, one end of the first damping spring 6-1 is fixedly connected to the lower end surface of the first cutter 3-1, the other end of the first damping spring 6-1 is arranged on the support 7 of the fixed cylinder 1, when the lower end surface of the first cutter 3-1 is in the horizontal direction with the upper end surface of the fixed cylinder 1, the first damping spring 6-1 is in a stretched or just un-stretched state, the horizontal position of the lower end surface, which is in contact with the upper end surface of the fixed cylinder 1, is not subjected to pipeline thrust by the first damping spring 6-1, and the first damping spring 6-1 can prevent the first cutter 3-1 from overturning by an excessive angle when the pipeline thrust is subjected to pipeline thrust, so that the normal cutting cannot be completed.
The second cutter 3-2 is a semicircular cutter, the middle part of the circular arc surface of the second cutter 3-2 is fixedly connected to the rotating device 2, the second cutter 3-2 can turn around the rotating device 2 in the vertical direction, the plane of the second cutter 3-2 is provided with a cutting edge, the cambered surface radius of the second cutter 3-2 is larger than the inner diameter of the fixed cylinder 1, the second cutter 3-2 cannot rotate to the inside of the fixed cylinder 1 when rotating downwards, one end of the second damping spring 6-2 is fixedly connected to the lower end surface of the second cutter 3-2, the other end of the second damping spring is arranged on the bracket 7 of the fixed cylinder 1, when the lower end surface of the second cutter 3-2 is in contact with the upper end surface of the fixed cylinder 1 in the horizontal direction, the second damping spring 6-2 is in a stretched or just un-stretched state, under the action of the second damping spring 6-2, the second cutter 3-2 is in the horizontal position of contact with the upper end surface of the fixed cylinder 1 when not receiving pipeline thrust, and the second damping spring 6-2 can prevent the second cutter 3-2 from completing the shearing work due to overlarge turning angle when receiving pipeline thrust.
When the first cutter 3-1 and the second cutter 3-2 are positioned at the horizontal position, the cutting edge of the first cutter 3-1 is matched with the cutting edge of the second cutter 3-2, so that the nonmetallic pumping pipe can be completely sheared.
When in use, as shown in fig. 1-4, the upper end of a nonmetal water pumping pipe in a drilling hole is penetrated through the opening at the lower end of a fixed cylinder 1, the nonmetal water pumping pipe pushes away a first cutter 3-1 and a second cutter 3-2 to penetrate out from the opening at the upper end of the fixed cylinder 1, and the first cutter 3-1 and the second cutter 3-2 are respectively contacted with the outer wall of the nonmetal water pumping pipe all the time under the action of the tension force of a first damping spring 6-1 and a second damping spring 6-2; and then placing the shearing device into a drill hole, lowering the scale steel wire rope 4 by a worker, lowering the shearing equipment in the drill hole under the action of gravity and the scale steel wire rope 4, lifting the shearing device upwards by the worker through the scale-pulling steel wire rope 4, turning the blades of the first cutter 3-1 and the second cutter 3-2 downwards under the action of friction force to cut off the nonmetal water pumping pipe, and then continuing pulling the scale steel wire rope 4 by the worker to pull the shearing device and the nonmetal water pumping pipe above the shearing device out of the drill hole to finish the shearing work.
The foregoing is merely an embodiment of the present utility model, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application day or before the priority date of the present utility model, and can know all the prior art in the field, and have the capability of applying the conventional experimental means before the date, so that a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present application, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present application. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.
Claims (6)
1. A positioning and shearing device for a nonmetallic pumping pipe in a borehole, which is characterized by comprising:
the fixed cylinder (1) is a circular tube with two open ends;
the rotating device (2) is arranged at a corresponding position on the top of the fixed cylinder (1);
the first cutter (3-1) is a semicircular cutter, the middle part of the arc surface of the first cutter (3-1) is fixedly connected to the rotating device (2) and can turn around the rotating device (2) in the vertical direction, and the plane of the first cutter (3-1) is provided with a cutting edge;
the second cutter (3-2) is a semicircular cutter, the middle part of the arc surface of the second cutter (3-2) is fixedly connected to the rotating device (2) and can turn around the rotating device (2) in the vertical direction, and the plane of the second cutter (3-2) is provided with a cutting edge;
one end of the scale steel wire rope (4) is movably connected with the hanging ring (5);
the hanging ring (5) is fixedly connected to the corresponding position of the top of the fixed cylinder (1);
one end of the first damping spring (6-1) is fixedly connected to the lower end surface of the first cutter (3-1), and the other end of the first damping spring is arranged on a bracket (7) of the fixed cylinder (1);
one end of the second damping spring (6-2) is fixedly connected to the lower end surface of the second cutter (3-2), and the other end of the second damping spring is arranged on a bracket (7) of the fixed cylinder (1);
and the bracket (7) is arranged below the inside of the fixed cylinder (1).
2. The in-borehole nonmetallic pumping pipe positioning and shearing device as set forth in claim 1, wherein: the inner diameter of the fixed cylinder (1) is larger than the outer diameter of the nonmetallic water pumping pipe.
3. The in-borehole nonmetallic pumping pipe positioning and shearing device as set forth in claim 2, wherein: the cambered surface radius of the first cutter (3-1) and the second cutter (3-2) is larger than the inner diameter of the fixed cylinder (1), and the first cutter (3-1) and the second cutter (3-2) cannot rotate to the inside of the fixed cylinder (1) when turned downwards.
4. The in-borehole nonmetallic pumping pipe positioning and shearing device as set forth in claim 1, wherein: when the lower end surfaces of the first cutter (3-1) and the second cutter (3-2) are in contact with the upper end surface of the fixed cylinder (1) in the horizontal direction, the first damping spring (6-1) and the second damping spring (6-2) are in a stretching state.
5. The in-borehole nonmetallic pumping pipe positioning and shearing device as set forth in claim 1, wherein: when the lower end surfaces of the first cutter (3-1) and the second cutter (3-2) are in contact with the upper end surface of the fixed cylinder (1) in the horizontal direction, the first damping spring (6-1) and the second damping spring (6-2) are in an just-unstretched state.
6. A positioning and shearing device for a nonmetallic pumping pipe in a borehole according to any one of claims 1 to 5, characterized in that: when the first cutter (3-1) and the second cutter (3-2) are positioned at the horizontal position, the cutting edge of the first cutter (3-1) is matched with the cutting edge of the second cutter (3-2), so that the nonmetallic pumping pipe can be completely sheared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321563192.8U CN220389580U (en) | 2023-06-19 | 2023-06-19 | Positioning and shearing device for nonmetallic water pumping pipe in drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321563192.8U CN220389580U (en) | 2023-06-19 | 2023-06-19 | Positioning and shearing device for nonmetallic water pumping pipe in drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220389580U true CN220389580U (en) | 2024-01-26 |
Family
ID=89612795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321563192.8U Active CN220389580U (en) | 2023-06-19 | 2023-06-19 | Positioning and shearing device for nonmetallic water pumping pipe in drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220389580U (en) |
-
2023
- 2023-06-19 CN CN202321563192.8U patent/CN220389580U/en active Active
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| GR01 | Patent grant |