CN110979977A - Protection device for sealing working face of petroleum downhole tool - Google Patents
Protection device for sealing working face of petroleum downhole tool Download PDFInfo
- Publication number
- CN110979977A CN110979977A CN201911175981.2A CN201911175981A CN110979977A CN 110979977 A CN110979977 A CN 110979977A CN 201911175981 A CN201911175981 A CN 201911175981A CN 110979977 A CN110979977 A CN 110979977A
- Authority
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- China
- Prior art keywords
- pair
- bolt
- clamp
- downhole tool
- clamp body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 18
- 239000003208 petroleum Substances 0.000 title claims description 16
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 2
- 239000004033 plastic Substances 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 6
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D59/00—Plugs, sleeves, caps, or like rigid or semi-rigid elements for protecting parts of articles or for bundling articles, e.g. protectors for screw-threads, end caps for tubes or for bundling rod-shaped articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a protection device for a sealing working surface of an oil downhole tool, which comprises a pair of clamp bodies (1); the shape of the clamp body (1) is tile-shaped; the pair of clamp bodies (1) are synthesized into a cylindrical clamp; one side edges of the pair of clamp bodies (1) are hinged through a pair of hinge devices (2), and the other side edges of the pair of clamp bodies (1) are quickly connected through a pair of bolt devices (3); the inner arc surface of the clamp body (1) is provided with a support semi-ring (4); the inner ring surface of the support semi-ring (4) is provided with a rubber pad (5). The hoop body is made of a steel pipe material, so that the problem of environmental pollution caused by plastic products is solved, the rubber pad is made of a small corrosion-resistant surface material, the problem of resource waste is effectively reduced, the hoop body can be repeatedly used, the corrosion-resistant surface is easy to replace, the operation is easy, and the cost is low; the invention can meet the protection of the sliding grinding surfaces of various underground tools by replacing rubber pads with different thicknesses, and can achieve the purpose of one multipurpose tool.
Description
Technical Field
The invention relates to a protection device for a sealing working surface of an oil downhole tool, and belongs to the technical field of drilling equipment protection.
Background
The working surface of most oil downhole tools belongs to a sliding wear-fit surface, and the use of the downhole tools is mainly focused on the working surface. Because part of the wear surface is exposed outside the tool, all transportation and storage before downhole needs to be protected from scratching.
The existing protection device for the working surface is an integral component made of plastic materials, the structural design of the existing protection device is complex, the die is easy to damage in the long-term die pressing process, and the maintenance cost of the die is high; the used plastic raw material is large in quantity, so that the environment is not protected; after the plastic protection device is repeatedly used, the plastic protection device needs to be replaced integrally, so that great resource waste is caused; the use of the wear surface protection of various specifications cannot be met.
Disclosure of Invention
The invention aims to provide a protection device for a sealing working surface of an oil downhole tool, which solves the problem of environmental pollution caused by a large amount of plastic products, and can meet the protection of sliding grinding surfaces of various downhole tools by replacing rubber pads with different thicknesses, thereby overcoming the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention relates to a protection device for a sealing working surface of an oil downhole tool, which comprises a pair of clamp bodies; the shape of the clamp body is tile-shaped; the pair of hoop bodies are combined into a cylindrical hoop; one side edges of the pair of clamp bodies are hinged through a pair of hinge devices, and the other side edges of the pair of clamp bodies are quickly connected through a pair of bolt devices; the inner arc surface of the clamp body is provided with a support semi-ring; the inner ring surface of the support semi-ring is provided with a rubber pad.
In the protective device for the sealing working surface of the petroleum underground tool, the pair of hinge devices are symmetrically welded on one side of the pair of clamp bodies; the hinge device comprises a pair of rotating pin sleeves, and the rotating pin sleeves are in a circular tube shape; one of the rotary pin sleeves is welded with the side edge of the left hoop body; the other rotating pin sleeve is welded with the side edge of the right hoop body; a rotating pin is arranged between the pair of rotating pin sleeves.
In the protection device for the sealing working surface of the petroleum underground tool, the pair of bolt devices are symmetrically welded on the other side edges of the pair of clamp bodies; the bolt device comprises a bolt sleeve welded on the side edge of the left clamp body and a bolt seat welded on the side edge of the right clamp body; the bolt seat is provided with a bolt.
In the protective device for the sealing working surface of the petroleum downhole tool, the plug pin sleeve is in a circular tube shape.
In the protective device for the sealing working surface of the petroleum downhole tool, the bolt seat comprises two sections of round pipes at a certain distance; one of the circular tubes is provided with a T-shaped notch, and the inner hole of the bolt seat is provided with a bolt.
In the protection device for the sealing working surface of the petroleum underground tool, the bolt is of a T-shaped structure formed by welding round bar materials.
In the protective device for the sealing working surface of the petroleum underground tool, the clamp body is provided with a handle; the handle is welded on one side close to the bolt device.
In the protective device for the sealing working surface of the petroleum downhole tool, a group of lightening holes are formed in the tile-shaped hoop body.
Due to the adoption of the technical scheme, compared with the prior art, the clamp body is made of the steel pipe material, the problem of environmental pollution caused by plastic products is solved, the rubber pad is made of a small corrosion-resistant surface material, the problem of resource waste is effectively reduced, the clamp body can be repeatedly used, the corrosion-resistant surface is easy to replace, the operation is easy, and the cost is low; the invention can meet the protection of the sliding grinding surfaces of various underground tools by replacing rubber pads with different thicknesses, and can achieve the purpose of one multipurpose tool.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the device in an open state;
FIG. 3 is a schematic view of a downhole tool;
FIG. 4 is a schematic view of a downhole tool protected with the apparatus of the present invention.
The labels in the figures are: 1-clamp body, 2-hinge device, 3-bolt device, 4-support semi-ring, 5-rubber pad, 6-rotating pin sleeve, 7-rotating pin, 8-bolt sleeve, 9-bolt seat, 10-bolt, 11-T type notch, 12-handle, 13-lightening hole, 14-device of the invention, 15-downhole tool and 16-working surface.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The invention relates to a protection device for a sealing working surface of an oil downhole tool, which is shown in figures 1 and 2 and comprises a pair of clamp bodies 1; the shape of the clamp body 1 is tile-shaped; the pair of clamp bodies 1 are synthesized into a cylindrical clamp; one side edges of the pair of hoop bodies 1 are hinged through a pair of hinge devices 2, and the other side edges of the pair of hoop bodies 1 are quickly connected through a pair of bolt devices 3; the inner arc surface of the clamp body 1 is provided with a support semi-ring 4; the inner ring surface of the support semi-ring 4 is provided with a rubber pad 5. The pair of hinge devices 2 are symmetrically welded on one side edge of the pair of clamp bodies 1; the hinge device 2 comprises a pair of rotating pin sleeves 6, and the rotating pin sleeves 6 are in a circular tube shape; one of the pin sleeves 6 is welded with the side edge of the left clamp body 1; the other rotating pin sleeve 6 is welded with the side edge of the right clamp body 1; a rotating pin 7 is arranged between a pair of rotating pin sleeves 6. The pair of bolt devices 3 are symmetrically welded on the other side edges of the pair of clamp bodies 1; the bolt device 3 comprises a bolt sleeve 8 welded on the side edge of the left clamp body 1 and a bolt seat 9 welded on the side edge of the right clamp body 1; the bolt seat 9 is provided with a bolt 10. The bolt sleeve 8 is in a circular tube shape. The pin seat 9 comprises two sections of round pipes which are separated by a certain distance; one of the circular tubes is provided with a T-shaped notch 11, and an inner hole of the bolt seat 9 is provided with a bolt 10. The plug pin 10 is a T-shaped structure formed by welding round bar materials. The clamp body 1 is provided with a handle 12; the handle 12 is welded to the side adjacent the latch means 3. A group of lightening holes 13 are arranged on the tile-shaped clamp body 1.
In the specific implementation, the construction is carried out according to the following steps:
1. firstly, processing a clamp body 1, a bolt sleeve 8, a bolt seat 9, a bolt 10, a handle 12, a rotating pin sleeve 6, a rotating pin 7, a supporting semi-ring 4 and a rubber pad 5 according to a drawing;
2. then respectively welding the handle 12, the support semi-ring 4, the rotating pin sleeve 6 and the pin seat 9 on one of the clamp body 1 according to requirements; then the handle 12, the support semi-ring 4, the rotating pin sleeve 6 and the pin sleeve 8 are welded on the other clamp body 1 according to requirements;
3. all welding seams are polished, and the welding is firm and reliable;
4. rubber pads 5 are bonded in the grooves of the supporting half rings 4 with rubber-resin adhesive.
5. During assembly, the rotating pin 7 is arranged in the rotating pin sleeve 6,
6. a pin sleeve 8 and a pin 10 are arranged in a pin seat 9, and the connection of the whole device is completed.
The specific uses of the invention are as follows:
when the downhole tool 15 is assembled properly, the latch 10 of the protection device of the device 14 of the present invention is withdrawn, and the collar body 1 is opened. The working surface 16 of the downhole tool 15 to be protected is then placed on the rubber pad 5, and the two clamp bodies 1 are then closed. After closing, the bolt 10 is inserted into the bolt sleeve 8. The working face 16 of the downhole tool 15 is protected by the inventive device 14.
The hoop body adopts a steel pipe material, so that the problem of environmental pollution caused by plastic products is solved, the rubber pad adopts a smaller corrosion-resistant surface material, the problem of resource waste is effectively reduced, the hoop body can be repeatedly used, the corrosion-resistant surface is easy to replace, the operation is easy, and the cost is low; the invention can meet the protection of the sliding grinding surfaces of various underground tools by replacing rubber pads with different thicknesses, and can achieve the purpose of one multipurpose tool.
Claims (8)
1. A protection device for a sealing working surface of an oil downhole tool comprises a pair of clamp bodies (1); the method is characterized in that: the shape of the clamp body (1) is tile-shaped; the pair of clamp bodies (1) are synthesized into a cylindrical clamp; one side edges of the pair of clamp bodies (1) are hinged through a pair of hinge devices (2), and the other side edges of the pair of clamp bodies (1) are quickly connected through a pair of bolt devices (3); the inner arc surface of the clamp body (1) is provided with a support semi-ring (4); the inner ring surface of the support semi-ring (4) is provided with a rubber pad (5).
2. The apparatus for protecting a seal face of a petroleum downhole tool according to claim 1, wherein: the pair of hinge devices (2) are symmetrically welded on one side of the pair of clamp bodies (1); the hinge device (2) comprises a pair of rotating pin sleeves (6), and the rotating pin sleeves (6) are in a circular tube shape; one of the pin sleeves (6) is welded with the side edge of the left clamp body (1); the other rotating pin sleeve (6) is welded with the side edge of the right clamp body (1); a rotating pin (7) is arranged between the pair of rotating pin sleeves (6).
3. The apparatus for protecting a seal face of a petroleum downhole tool according to claim 1, wherein: the pair of bolt devices (3) are symmetrically welded on the other side edges of the pair of clamp bodies (1); the bolt device (3) comprises a bolt sleeve (8) welded on the side edge of the left clamp body (1) and a bolt seat (9) welded on the side edge of the right clamp body (1); the bolt seat (9) is provided with a bolt (10).
4. The protection device for the sealing working surface of the petroleum downhole tool according to claim 3, wherein: the plug sleeve (8) is in a circular tube shape.
5. The protection device for the sealing working surface of the petroleum downhole tool according to claim 3, wherein: the bolt seat (9) comprises two sections of round pipes which are spaced at a certain distance; one of the circular tubes is provided with a T-shaped notch (11), and an inner hole of the bolt seat (9) is provided with a bolt (10).
6. The protection device for the sealing working surface of the petroleum downhole tool according to claim 3, wherein: the bolt (10) is of a T-shaped structure formed by welding round bar materials.
7. The apparatus for protecting a seal face of a petroleum downhole tool according to claim 1, wherein: the clamp body (1) is provided with a handle (12); the handle (12) is welded on one side close to the bolt device (3).
8. The apparatus for protecting a seal face of a petroleum downhole tool according to claim 1, wherein: a group of lightening holes (13) are formed in the tile-shaped clamp body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911175981.2A CN110979977A (en) | 2019-11-26 | 2019-11-26 | Protection device for sealing working face of petroleum downhole tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911175981.2A CN110979977A (en) | 2019-11-26 | 2019-11-26 | Protection device for sealing working face of petroleum downhole tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110979977A true CN110979977A (en) | 2020-04-10 |
Family
ID=70087248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911175981.2A Pending CN110979977A (en) | 2019-11-26 | 2019-11-26 | Protection device for sealing working face of petroleum downhole tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110979977A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2385192Y (en) * | 1998-11-16 | 2000-06-28 | 张�雄 | Underground cable protective fixed device for oil well |
| CN2720693Y (en) * | 2004-06-04 | 2005-08-24 | 袁育健 | Oil-tube cable-protection device |
| CN202170763U (en) * | 2011-08-01 | 2012-03-21 | 范连诗 | Casting righting cable protector |
| CN202596600U (en) * | 2012-03-22 | 2012-12-12 | 中国石油化工股份有限公司 | Buckle protector for downhole hydraulic control tube |
| CN207420270U (en) * | 2017-11-02 | 2018-05-29 | 秦琪 | A kind of bolt |
| CN211337120U (en) * | 2019-11-26 | 2020-08-25 | 贵州高峰石油机械股份有限公司 | Protection device for sealing working face of petroleum downhole tool |
-
2019
- 2019-11-26 CN CN201911175981.2A patent/CN110979977A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2385192Y (en) * | 1998-11-16 | 2000-06-28 | 张�雄 | Underground cable protective fixed device for oil well |
| CN2720693Y (en) * | 2004-06-04 | 2005-08-24 | 袁育健 | Oil-tube cable-protection device |
| CN202170763U (en) * | 2011-08-01 | 2012-03-21 | 范连诗 | Casting righting cable protector |
| CN202596600U (en) * | 2012-03-22 | 2012-12-12 | 中国石油化工股份有限公司 | Buckle protector for downhole hydraulic control tube |
| CN207420270U (en) * | 2017-11-02 | 2018-05-29 | 秦琪 | A kind of bolt |
| CN211337120U (en) * | 2019-11-26 | 2020-08-25 | 贵州高峰石油机械股份有限公司 | Protection device for sealing working face of petroleum downhole tool |
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