CN216553803U - Anti-abrasion flange - Google Patents
Anti-abrasion flange Download PDFInfo
- Publication number
- CN216553803U CN216553803U CN202122842642.4U CN202122842642U CN216553803U CN 216553803 U CN216553803 U CN 216553803U CN 202122842642 U CN202122842642 U CN 202122842642U CN 216553803 U CN216553803 U CN 216553803U
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- Prior art keywords
- flange plate
- flange
- ring
- pin
- upper flange
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- 238000005299 abrasion Methods 0.000 title claims abstract description 33
- 238000007789 sealing Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 abstract description 27
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 241001397809 Hakea leucoptera Species 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of drilling equipment, relates to flange parts, and particularly relates to an anti-abrasion flange which comprises an upper flange plate and a lower flange plate which are split, wherein an anti-abrasion ring is axially limited between the upper flange plate and the lower flange plate, and the anti-abrasion ring has the degree of freedom of rotation relative to the upper flange plate and the lower flange plate; the drilling tool has a deviation phenomenon in the rotary drilling process and generates friction after contacting with the anti-abrasion ring, and the anti-abrasion ring isolates the drilling tool from the inner wall of the blowout preventer, so that the drift diameter of the blowout preventer is prevented from being abraded, the drilling tool does not contact the surfaces of the inner drift diameters of the blowout preventer, a cross joint, a lifting short section and the like, a safety protection effect is achieved, and the service life of products such as the blowout preventer is prolonged.
Description
Technical Field
The utility model belongs to the technical field of drilling equipment, relates to a flange part for the drilling equipment, and particularly relates to an anti-abrasion flange.
Background
The flange is a part for connection, and is used for connection between pipe ends, or on an inlet and an outlet of equipment, or connection between two pieces of equipment. For drilling equipment, all the components are large and expensive, and are difficult to machine, disassemble and maintain, and a common flange is adopted, so that the connecting part can only play a role in connection, and the connecting part cannot be protected. For example, in the case of a blowout preventer in well control equipment, a drilling tool needs to be inserted into the drift diameter of the blowout preventer, and the drilling tool rotates and moves up and down relative to the blowout preventer. The existing common flange only connects the blowout preventer and a matched mud collecting device or other devices in a sealing way, the drift diameter of the flange is generally the same as that of the blowout preventer, and a drilling tool passes through the blowout preventer and the drift diameter of the flange and does not have any protection effect on the drift diameter of the blowout preventer. However, the cost of disassembling, replacing or repairing the drift diameter of the blowout preventer after being worn is very high, so that for equipment with built-in drilling tools or other rotating parts, the development of a flange capable of protecting important parts is very necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an anti-abrasion flange capable of protecting the inner diameter of equipment with a built-in drilling tool or other rotating parts.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides an anti-abrasion flange, includes split type last ring flange and lower ring flange, the key is: an anti-abrasion ring is axially limited between the upper flange plate and the lower flange plate, and the anti-abrasion ring has the degree of freedom of rotating relative to the upper flange plate and the lower flange plate.
In the technical scheme of the anti-abrasion flange, the anti-abrasion ring can rotate along with a drilling tool or other rotating parts when the built-in drilling tool or other rotating parts shake and rotate, so that the drilling tool or other rotating parts are prevented from colliding and abrading the inner diameter of matched equipment.
Further in order to facilitate installation and support rotation of the anti-abrasion ring, the anti-abrasion ring comprises an annular body and a limiting boss arranged outside the annular body, and the outer peripheral surface of the limiting boss is supported on a pin shaft group of which two ends are respectively inserted on the upper flange plate and the lower flange plate to form a rolling support structure. In the technical scheme, the pin shaft rotating support has low manufacturing cost and high bearing capacity.
Furthermore, in order to facilitate the installation of the anti-abrasion ring, a first supporting platform is arranged in the upper flange plate, and a group of first shaft holes are formed in the first supporting platform; a second supporting platform is arranged on one surface, facing the upper flange plate, of the lower flange plate, and a group of second shaft holes are formed in the second supporting platform; and two ends of the pin shaft are respectively inserted into the first shaft hole and the second shaft hole.
Preferably, the pin shaft group is further sleeved with a pin sleeve, and each pin shaft is provided with one pin sleeve on each of two sides of the limit boss to form a clamping type limit structure for the limit boss. Among this further technical scheme, the setting of pin bushing can prevent rocking of abrasionproof ring.
Preferably, for the convenience of installation, the first support table and the second support table are both annular, the first annular array of shaft holes is on the first support table, and the second annular array of shaft holes is on the second support table.
Preferably, a seal ring is provided between the pin bush and the second support base to improve the sealing property.
Preferably, the upper flange plate and the lower flange plate are fastened and connected by bolts for easy disassembly and assembly.
Preferably, for the convenience of installation and spacing, be provided with the first recess that holds the round pin bush on the last ring flange inner wall, first recess sets up along first supporting bench annular array around first shaft hole.
The utility model has the beneficial effects that: the drilling tool passes through the inner diameter of the matched equipment and the anti-abrasion ring, the drilling tool has a deviation phenomenon in the rotary drilling process and generates friction after contacting with the anti-abrasion ring, the anti-abrasion ring is arranged to avoid the collision contact between the drilling tool and the inner wall of the matched equipment, so that the drift diameter of the matched equipment is avoided being abraded, the drilling tool does not contact the matched equipment and the drift diameter surfaces in the parts such as the cross joint, the lifting short section and the like, the safety protection effect is achieved, and the service life of the products such as the matched equipment is prolonged.
Drawings
FIG. 1 is a schematic diagram of an exploded structure of an anti-wear flange according to an embodiment;
FIG. 2 is a schematic structural view of an upper flange in the embodiment;
FIG. 3 is a schematic structural view of a lower flange in the embodiment;
in the figure: 1 represents an upper flange plate; 101 represents a first support table; 102 represents a first shaft hole; 103 represents a first groove; 2 represents a lower flange; 201 denotes a second support; 202 represents a second shaft hole; 3 represents an anti-abrasion ring; 301 represents a limit boss; 302 represents an annular body; 401 represents a pin; 402 represents a pin bush; 5 represents a seal ring; and 6 represents a bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. The anti-abrasion flange is suitable for being connected with equipment with a built-in drilling tool or other rotating parts, and protects the inner diameter of matched connecting equipment. The following description will be made in detail by taking the blowout preventer as an example. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
In specific embodiment 1, as shown in fig. 1, 2, and 3, an anti-abrasion flange includes a split type upper flange plate 1 and a split type lower flange plate 2, an anti-abrasion ring 3 is axially limited between the upper flange plate 1 and the lower flange plate 2, the anti-abrasion ring 3 has a rotational degree of freedom relative to the upper flange plate and the lower flange plate, and the upper flange plate 1 and the lower flange plate 2 are fastened and connected by bolts. The anti-abrasion ring 3 comprises an annular body 302 and a limiting boss 301 arranged outside the annular body, wherein the outer peripheral surface of the limiting boss 301 is supported on pin shafts 401 which are respectively inserted into the upper flange plate 1 and the lower flange plate 2 at two ends to form a rolling supporting structure.
In the detailed structure, a first supporting platform 101 is arranged in the upper flange plate 1, and a group of first shaft holes 102 are arranged on the first supporting platform 101; a second supporting platform 201 is arranged on one surface, facing the upper flange plate 1, of the lower flange plate 2, and the second supporting platform 201 is provided with a group of second shaft holes 202; the pin 401 is inserted into the first shaft hole 102 and the second shaft hole 202 at both ends thereof.
The pin 401 group is further sleeved with a pin sleeve 402, and each pin 401 is provided with a pin sleeve 402 on each side of the limiting boss 301 to form a clamping type limiting structure for the limiting boss 301. The first support table 101 and the second support table 201 position the pin sleeves 402 from two ends respectively, and the two pin sleeves 402 are in contact with the limiting bosses 301 of the wear-resistant ring 3 to form axial positioning.
The first supporting table 101 and the second supporting table 201 are both annular, the first shaft holes 102 are annularly arrayed on the first supporting table 101, and the second shaft holes 202 are annularly arrayed on the second supporting table 201. The first shaft hole 102 and the second shaft hole 202 are matched with the pin 401 and are arranged correspondingly, and a sealing ring 5 is arranged between the pin sleeve 402 and the second support platform 201. The inner wall of the upper flange plate 1 is provided with first grooves 103 for accommodating the pin sleeves 402, and the first grooves 103 are arranged around the first shaft hole 102 along the annular array of the first supporting platform 101.
The sealing ring 5 is also an O-ring, and is used in cooperation with the pin bush 402 and the annular second support platform 201, so that the sealing effect is achieved under the action of the extrusion force of the flanges at the two ends. The first shaft hole 102 and the second shaft hole 202 are determined according to the size of the flange, and preferably 8-15; the first groove 103 is used for accommodating the pin sleeves 402 to avoid mutual collision and friction between the pin sleeves 402, and plays a role in separation and limiting.
During installation, a pin shaft 401 is inserted into a first shaft hole 102 of an upper flange plate 1, a first group of pin sleeves are sleeved on the pin shaft 401, an anti-abrasion ring 3 is arranged in the middle of the upper flange plate 1, a limit boss 301 of the anti-abrasion ring 3 is in contact with the first group of pin sleeves, a second group of pin sleeves are sleeved on the pin shaft 401, the pin sleeves 402 at two ends of the pin shaft 401 clamp the limit boss 301, a sealing ring 5 is arranged on the second group of pin sleeves, a second shaft hole 202 is aligned to the pin shaft 401 and is connected with a lower flange plate 2 and the upper flange plate 1 through bolts 6 to form a whole, meanwhile, the lower flange plate 2 and the upper flange plate 1 provide clamping force for middle elements, the second group of pin sleeves and the lower flange plate 2 clamp the sealing ring 5 to achieve a sealing effect, and the upper flange plate 1 and the lower flange plate 2 are fastened and connected through bolts.
During the use, with lower flange 2 fixed mounting on the preventer, the drilling tool passes the abrasionproof ring 3 in the middle of the abrasionproof flange and gets into the preventer internal diameter, when the drilling tool rocks or squints, the drilling tool contacts with abrasionproof ring 3, takes place rotary friction, subsequently the abrasionproof ring 3 rotates along with the drilling tool under the effect of frictional force, the spacing boss 301 of abrasionproof ring 3 supports and forms rolling rotary mechanism on round pin axle 401 group, has reduced the friction with the preventer latus rectum, the life of extension preventer. The anti-abrasion flange not only can play a role in connection, but also prevents a drilling tool from contacting the inner diameter surfaces of a blowout preventer, a cross joint, a lifting short section and the like, so that the inner diameter abrasion of the blowout preventer is avoided.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. The utility model provides an abrasionproof flange, includes split type last ring flange (1) and lower ring flange (2), its characterized in that: an anti-abrasion ring (3) is axially limited between the upper flange plate (1) and the lower flange plate (2), and the anti-abrasion ring (3) has a degree of freedom relative to the rotation of the upper flange plate and the lower flange plate.
2. The wear flange of claim 1, wherein: the anti-abrasion ring (3) comprises an annular body (302) and a limiting boss (301) arranged outside the annular body, and the outer peripheral surface of the limiting boss (301) is supported on a pin shaft (401) group which is respectively inserted into the upper flange plate (1) and the lower flange plate (2) at two ends to form a rolling supporting structure.
3. The wear flange of claim 2, wherein: a first supporting table (101) is arranged in the upper flange plate (1), and a group of first shaft holes (102) are formed in the first supporting table (101); a second supporting platform (201) is arranged on one surface, facing the upper flange plate (1), of the lower flange plate (2), and a group of second shaft holes (202) are formed in the second supporting platform (201); and two ends of the pin shaft (401) are respectively inserted into the first shaft hole (102) and the second shaft hole (202).
4. The wear flange of claim 3, wherein: the pin shaft (401) group is further sleeved with a pin sleeve (402), and each pin shaft is provided with one pin sleeve (402) on each side of the limiting boss (301) to form a clamping type limiting structure for the limiting boss (301).
5. The wear flange of claim 4, wherein: the first supporting table (101) and the second supporting table (201) are both annular, the first shaft hole (102) is annularly arrayed on the first supporting table (101), and the second shaft hole (202) is annularly arrayed on the second supporting table (201).
6. The wear flange of claim 4, wherein: and a sealing ring (5) is arranged between the pin sleeve (402) and the second support platform (201).
7. The wear flange of claim 4, wherein: the upper flange plate (1) and the lower flange plate (2) are fixedly connected through bolts (6).
8. The wear flange of claim 5, wherein: the inner wall of the upper flange plate (1) is provided with a first groove (103) for accommodating the pin sleeve (402), and the first groove (103) is arranged around the first shaft hole (102) along the first supporting table (101) in an annular array mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122842642.4U CN216553803U (en) | 2021-11-19 | 2021-11-19 | Anti-abrasion flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122842642.4U CN216553803U (en) | 2021-11-19 | 2021-11-19 | Anti-abrasion flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216553803U true CN216553803U (en) | 2022-05-17 |
Family
ID=81575061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122842642.4U Active CN216553803U (en) | 2021-11-19 | 2021-11-19 | Anti-abrasion flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216553803U (en) |
-
2021
- 2021-11-19 CN CN202122842642.4U patent/CN216553803U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240220 Address after: No. 66, South of Lincheng Avenue, East Side of Zhongxing Road, Economic Development Zone, Lincheng County, Xingtai City, Hebei Province, 054303 Patentee after: Hebei Bolu Tianbao Petroleum Well Control Equipment Co.,Ltd. Country or region after: China Address before: 054300 west section of Danxia Road, economic development zone, Lincheng County, Xingtai City, Hebei Province Patentee before: HEBEI BOLU TIANBAO PETROLEUM EQUIPMENT MANUFACTURING CO.,LTD. Country or region before: China |
|
| TR01 | Transfer of patent right |