CN109210310B - Movable elbow rotating structure - Google Patents
Movable elbow rotating structure Download PDFInfo
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- CN109210310B CN109210310B CN201811362775.8A CN201811362775A CN109210310B CN 109210310 B CN109210310 B CN 109210310B CN 201811362775 A CN201811362775 A CN 201811362775A CN 109210310 B CN109210310 B CN 109210310B
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- elbow body
- elbow
- slide groove
- trapezoidal slide
- ring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L43/00—Bends; Siphons
Abstract
The invention provides a movable elbow rotating structure, which comprises an elbow body male end and an elbow body female end, wherein the elbow body female end is provided with three inner trapezoidal slide grooves positioned on a matching surface with the elbow body male end, the outer side wall of the elbow body male end is provided with outer trapezoidal slide grooves matched with the inner trapezoidal slide grooves in a one-to-one correspondence manner, the outer trapezoidal slide grooves and the inner trapezoidal slide grooves are matched in a one-to-one correspondence manner to form three slide annular spaces, the elbow body female end is provided with three plug ports respectively communicated with the three slide annular spaces, a plurality of conical ring clamping blocks distributed in an annular manner are filled in the slide annular spaces, each conical ring clamping block comprises an outer annular surface matched with the inner trapezoidal slide grooves in a sliding manner, an inner annular surface matched with the outer trapezoidal conical slide grooves in a sliding manner and two conical surfaces connected between the outer annular surface and the inner annular surface, each conical surface is a first conical surface and a second conical surface, the invention can effectively save the cost of the elbow and prolong the service life of the movable elbow.
Description
Technical Field
The invention relates to a movable elbow, in particular to a rotating structure of the movable elbow.
Background
In an acid operation environment, the movable elbow is mainly used for the action of a high-pressure discharge pipeline, an input pipeline, a test well pipeline or other liquid conveying under high-pressure working conditions, and especially the action of the movable elbow in well cementation and fracturing operations is important, while the existing movable elbow rotating structure is basically a steel ball and has the following defects: the diameter of the steel ball is larger at first, so the elbow external diameter is correspondingly increased, and the steel ball quantity is more secondly, so installation and disassembly are not utilized, and finally the main problem lies in that when the movable elbow bears high pressure, the steel ball is easy to shear without any buffer protection under high pressure.
Therefore, a movable elbow rotating structure which can effectively save the cost of the elbow and prolong the service life of the movable elbow is urgently needed.
Disclosure of Invention
The invention aims to provide a rotating structure of a movable elbow, which can effectively save the cost of the elbow and prolong the service life of the movable elbow.
The invention provides the following technical scheme:
the utility model provides a movable elbow revolution mechanic, includes the public end of elbow body and the female end of elbow body, the public end of elbow body is inserted and is established in the female end of elbow body, be equipped with on the female end of elbow body be located with three trapezoidal slide groove in the fitting surface of the public end of elbow body, be respectively along the first interior trapezoidal slide groove, second interior trapezoidal slide groove and the third interior trapezoidal slide groove of axial setting in order, be equipped with on the public end lateral wall of elbow body with outer trapezoidal slide groove one-to-one complex of interior trapezoidal slide groove is respectively along the first outer trapezoidal slide groove, second outer trapezoidal slide groove and the third outer trapezoidal slide groove of axial setting in order, outer trapezoidal slide groove with interior trapezoidal slide groove one-to-one cooperation forms three slide annular space, do respectively first interior trapezoidal slide groove and the first outer trapezoidal slide groove cooperation form first annular space, The elbow comprises a second inner trapezoidal slide groove, a second outer trapezoidal slide groove, a second inner trapezoidal slide groove, a third outer trapezoidal slide groove, a third plug hole and a plurality of conical ring clamping blocks, wherein the second inner trapezoidal slide groove and the second outer trapezoidal slide groove are matched to form a second slide annular space, the third inner trapezoidal slide groove and the third outer trapezoidal slide groove are matched to form a third slide annular space, the female end of the elbow body is provided with the three plug holes which are respectively communicated with the three slide annular spaces, the slide annular space is filled with the conical ring clamping blocks which are distributed annularly, each conical ring clamping block comprises an outer ring surface in sliding fit with the inner trapezoidal slide groove, an inner ring surface in sliding fit with the outer trapezoidal slide groove and two conical surfaces connected between the outer ring surface and the inner ring surface, and the conical surfaces are.
Preferably, the conical surface include with two interior inclined planes of the female end laminating of elbow body and with two outer inclined planes of the public end laminating of elbow body, the interior inclined plane is first interior inclined plane and second interior inclined plane respectively, outer inclined plane is first outer inclined plane and second outer inclined plane respectively, first interior inclined plane forms first conical surface with first outer inclined plane, the second interior inclined plane with the second outer inclined plane forms second conical surface, just first interior inclined plane with the outer inclined plane parallel arrangement of second, the second interior inclined plane with first outer inclined plane parallel arrangement.
Preferably, first slide annular space is close to the public end import of elbow body, between first slide annular space and the second slide annular space and the female end inside wall of elbow body between third slide annular space and the second slide annular space is equipped with outer cone anchor ring, the public end outside wall of elbow body corresponds the department with outer cone anchor ring and is equipped with interior cone anchor ring, interior cone anchor ring forms the ring awl with outer cone anchor ring cooperation.
Preferably, a plug is arranged in the plug port, and one side, deviating from the conical ring clamping block, of the plug is fixedly provided with a spring retainer ring with an edge clamped in the female end of the elbow body.
Preferably, the public end of elbow body import tip is equipped with a boss, elbow body female end be equipped with the relative complex annular of boss, be equipped with first sealing washer in the annular, first sealing washer be located the boss with between the elbow body female end for space between sealed elbow body public end and the elbow body female end, just the boss with be equipped with the second sealing washer between the first slide annular space, the second sealing washer is located elbow body public end with between the elbow body female end, be used for the space between supplementary sealed elbow body public end and the elbow body female end.
Preferably, the third slide annular space deviates from one side of second slide annular space is equipped with the third sealing washer, the third sealing washer is located elbow body public end with between the female end of elbow body for the space between supplementary sealed elbow body public end and the female end of elbow body.
The invention has the beneficial effects that: inside inserting the female end of elbow body through establishing elbow body male end, consequently, put into sixteen toper ring fixture blocks from the end cap mouth in every slide annular space that forms, and toper ring fixture block becomes the annular distribution of cooperation slide groove, and then seal the end cap mouth, consequently compare in the installation dismantlement of last hundred steel ball quantity, greatly reduced the cost, and the installation is very simple and efficient with the dismantlement, the whole appearance weight of activity elbow also alleviates to some extent, and when the activity elbow bore high pressure, stress can concentrate on two conical surfaces, two conical surfaces bore rated extrusion force, but the shearing force that bears is very little, the phenomenon of being sheared can not appear.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a structural cross-sectional view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic structural diagram of distribution of conical ring blocks;
FIG. 4 is a schematic structural diagram of a conical ring fixture block;
FIG. 5 is a schematic diagram of a steel ball stressed structure in the prior art;
FIG. 6 is a schematic structural diagram of a steel ball failure under stress in the prior art;
FIG. 7 is a schematic view of a stressed structure of a conical ring fixture block;
notation in the figure: the elbow comprises an elbow body 1, an elbow body 2, a first slideway annular space 3, a second slideway annular space 4, a third slideway annular space 5, a plug port 6, a conical ring clamping block 7, an outer annular surface 8, an inner annular surface 9, a first conical surface 10, a second conical surface 11, a first inner inclined surface 12, a second inner inclined surface 13, a first outer inclined surface 14, a second outer inclined surface 15, a ring cone 16, a plug, a spring collar 18, a boss 19, an annular groove 20, a first sealing ring 21, a second sealing ring 22 and a third sealing ring 23.
Detailed Description
Combine figure 1 to the shown movable elbow revolution mechanic of figure 7, in this embodiment, including the public end 1 of elbow body and the female end 2 of elbow body, the public end 1 of elbow body is inserted and is established in the female end 2 of elbow body, be equipped with on the female end 2 of elbow body be located with three interior trapezoidal slide groove on the fitting surface of the public end 1 of elbow body, be respectively along the first interior trapezoidal slide groove, the second interior trapezoidal slide groove and the third interior trapezoidal slide groove of axial setting in order, be equipped with on the public end 1 lateral wall of elbow body with interior trapezoidal slide groove one-to-one complex outer trapezoidal slide groove, be respectively along the first outer trapezoidal slide groove, the second outer trapezoidal slide groove and the third outer trapezoidal slide groove of axial setting in order, outer trapezoidal slide groove with interior trapezoidal slide groove one-to-one cooperation forms three slide annular space, do respectively first interior trapezoidal slide groove forms the first annular slide ring with first outer trapezoidal slide groove The elbow comprises a space 3, a second slide way annular space 4 formed by matching a second inner trapezoidal slide way groove with a second outer trapezoidal slide way groove, a third slide way annular space 5 formed by matching a third inner trapezoidal slide way groove with a third outer trapezoidal slide way groove, three plug ports 6 respectively communicated with the three slide way annular spaces are arranged at the female end 2 of the elbow body, sixteen conical ring fixture blocks 7 distributed annularly are filled in the slide way annular space, each conical ring fixture block 7 comprises an outer annular surface 8 in sliding fit with the inner trapezoidal slide way groove, an inner annular surface 9 in sliding fit with the outer trapezoidal slide way groove and two conical surfaces connected between the outer annular surface 8 and the inner annular surface 9, and the conical surfaces are a first conical surface 10 and a second conical surface 11 respectively.
The conical surface include with two interior inclined planes of the female end 2 laminating of elbow body and with two outer inclined planes of the public end laminating of elbow body, interior inclined plane is first interior inclined plane 12 and second interior inclined plane 13 respectively, outer inclined plane is first outer inclined plane 14 and second outer inclined plane 15 respectively, first interior inclined plane 12 forms first conical surface 10 with first outer inclined plane 14, second interior inclined plane 13 with second outer inclined plane 15 forms second conical surface 11, just first interior inclined plane 12 with the 15 parallel arrangement of second outer inclined plane, second interior inclined plane 13 with first outer inclined plane 14 parallel arrangement.
First slide annular space 3 is close to the public end 1 import of elbow body, between first slide annular space 3 and the second slide annular space 4 and 2 inside walls of the female end of elbow body between third slide annular space 5 and the second slide annular space 4 are equipped with outer cone ring face, the public end 1 lateral wall of elbow body corresponds the department with outer cone ring 6 and is equipped with interior cone ring face, interior cone ring face forms the ring awl 16 with outer cone ring face cooperation.
Be equipped with the end cap 17 of card outside the toper ring fixture block 7 of establishing in end cap mouth 6, just end cap 17 deviates from one side of toper ring fixture block 7 is fixed with the edge joint and is in spring collar 18 in the female end 2 of elbow body for prevent that the end cap from droing, cause toper ring fixture block roll-off slide annular space.
The 1 import tip of elbow body public end is equipped with a boss 19, elbow body female end 2 be equipped with the relative complex annular 20 of boss 19, be equipped with one side butt in the annular 20 first sealing washer 21 on the boss tip lateral wall, first sealing washer 21 is located boss 19 with between the elbow body female end 2 for space between sealed elbow body public end 1 and the elbow body female end 2, just boss 19 with be equipped with second sealing washer 22 between the first slide annular space, second sealing washer 22 is located elbow body public end 1 with between the elbow body female end 2 for space between supplementary sealed elbow body public end 1 and the elbow body female end 2.
Third slide annular space deviates from one side of second slide annular space is equipped with third sealing washer 23, third sealing washer 23 is located elbow body public end 1 with between the female end 2 of elbow body for the space between supplementary sealed elbow body public end 1 and the female end 2 of elbow body, thereby prevent to get into the sand blown by the wind in elbow body public end 1 and the female end 2 of elbow body, play dustproof effect.
The working principle of the invention is as follows: the male end 1 of the elbow body is inserted into the female end 2 of the elbow body, the male end 1 of the elbow body and the female end 2 of the elbow body are sealed and fixed through the first sealing ring 21, the second sealing ring 22 and the third sealing ring 23, sixteen conical ring clamping blocks 7 are placed in each formed slide annular space from the plug port 6, the conical ring clamping blocks 7 are distributed in an annular shape matched with the slide grooves, the plug port 6 is sealed through the plug 17, the spring retainer ring 18 realizes auxiliary limiting and fixing and prevents the plug from loosening from the plug port 6, and therefore compared with the mounting and dismounting of hundreds of steel balls, the cost is greatly reduced, the mounting and dismounting are simple, convenient and rapid, the overall shape and weight of the movable elbow is also lightened, when the movable elbow bears high pressure, the stress is concentrated on two conical surfaces, the two conical surfaces bear rated extrusion force, but the borne shear force is small, the phenomenon of being sheared can not occur.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a movable elbow revolution mechanic, includes the female end of elbow body public end and elbow body, the public end of elbow body is inserted and is established in the female end of elbow body, its characterized in that, be equipped with on the female end of elbow body be located with three interior trapezoidal slide groove on the fitting surface of the public end of elbow body, be respectively along axial setting's first interior trapezoidal slide groove, second interior trapezoidal slide groove and third interior trapezoidal slide groove in order, be equipped with on the public end lateral wall of elbow body with interior trapezoidal slide groove one-to-one complex outer trapezoidal slide groove is respectively along axial setting's first outer trapezoidal slide groove, second outer trapezoidal slide groove and third outer trapezoidal slide groove, outer trapezoidal slide groove with interior trapezoidal slide groove one-to-one cooperation forms three slide annular space, do not do first interior trapezoidal slide groove and the first slide annular space that outer trapezoidal slide groove cooperation formed, The elbow comprises a second inner trapezoidal slide groove, a second outer trapezoidal slide groove, a second inner trapezoidal slide groove, a third outer trapezoidal slide groove, a third plug hole and a plurality of conical ring clamping blocks, wherein the second inner trapezoidal slide groove and the second outer trapezoidal slide groove are matched to form a second slide annular space, the third inner trapezoidal slide groove and the third outer trapezoidal slide groove are matched to form a third slide annular space, the female end of the elbow body is provided with the three plug holes which are respectively communicated with the three slide annular spaces, the slide annular space is filled with the conical ring clamping blocks which are distributed annularly, each conical ring clamping block comprises an outer ring surface in sliding fit with the inner trapezoidal slide groove, an inner ring surface in sliding fit with the outer trapezoidal slide groove and two conical surfaces connected between the outer ring surface and the inner ring surface, and the conical surfaces are.
2. The rotating structure of claim 1, wherein the tapered surfaces comprise two inner tapered surfaces attached to the female end of the elbow body and two outer tapered surfaces attached to the male end of the elbow body, the inner tapered surfaces are a first inner tapered surface and a second inner tapered surface respectively, the outer tapered surfaces are a first outer tapered surface and a second outer tapered surface respectively, the first inner tapered surface and the first outer tapered surface form a first tapered surface, the second inner tapered surface and the second outer tapered surface form a second tapered surface, the first inner tapered surface and the second outer tapered surface are arranged in parallel, and the second inner tapered surface and the first outer tapered surface are arranged in parallel.
3. The movable elbow rotating structure according to claim 1, wherein the first slideway annular space is close to the inlet of the male end of the elbow body, the inner side wall of the female end of the elbow body between the first slideway annular space and the second slideway annular space and between the third slideway annular space and the second slideway annular space is provided with an outer cone ring surface, the outer side wall of the male end of the elbow body is provided with an inner cone ring surface corresponding to the outer cone ring surface, and the inner cone ring surface and the outer cone ring surface are matched to form a ring cone.
4. The rotating structure of an active elbow head as claimed in claim 1, wherein a plug is arranged in the plug port, and a spring collar with an edge clamped in the female end of the elbow body is fixed on one side of the plug departing from the conical ring fixture block.
5. The rotary structure of an active elbow as claimed in claim 1, wherein the inlet end of the male end of the elbow body is provided with a boss, the female end of the elbow body is provided with a ring groove matching with the boss, the ring groove is provided with a first sealing ring, the first sealing ring is located between the boss and the female end of the elbow body for sealing the space between the male end of the elbow body and the female end of the elbow body, and a second sealing ring is located between the boss and the first slideway annular space, the second sealing ring is located between the male end of the elbow body and the female end of the elbow body for assisting in sealing the space between the male end of the elbow body and the female end of the elbow body.
6. The rotating structure of an active elbow according to claim 1, wherein a third sealing ring is disposed on a side of the third slideway annular space away from the second slideway annular space, and the third sealing ring is disposed between the male end of the elbow body and the female end of the elbow body to assist in sealing the space between the male end of the elbow body and the female end of the elbow body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811362775.8A CN109210310B (en) | 2018-11-16 | 2018-11-16 | Movable elbow rotating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811362775.8A CN109210310B (en) | 2018-11-16 | 2018-11-16 | Movable elbow rotating structure |
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| Publication Number | Publication Date |
|---|---|
| CN109210310A CN109210310A (en) | 2019-01-15 |
| CN109210310B true CN109210310B (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811362775.8A Active CN109210310B (en) | 2018-11-16 | 2018-11-16 | Movable elbow rotating structure |
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| CN (1) | CN109210310B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882673A (en) * | 2019-03-12 | 2019-06-14 | 中石化石油工程技术服务有限公司 | Movable elbow active section connection structure |
| CN113389958B (en) * | 2021-06-22 | 2022-03-11 | 江苏瑞亿石油机械有限公司 | High-pressure movable elbow |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2189687Y (en) * | 1994-04-21 | 1995-02-15 | 河南省荥阳天然气设备制造厂 | High-pressure-movable bend |
| CN103557389B (en) * | 2013-11-14 | 2015-07-01 | 航天晨光股份有限公司 | Rotary joint |
| CN205534782U (en) * | 2016-04-21 | 2016-08-31 | 河北宝特石油机械有限公司 | Bao teshi high pressure activity elbow |
| CN206513987U (en) * | 2017-02-09 | 2017-09-22 | 长江大学 | A kind of movable elbow with multistage track groove |
| CN108050331A (en) * | 2018-01-12 | 2018-05-18 | 中石化四机石油机械有限公司 | A kind of carbon fibre composite enhances super-pressure movable elbow |
-
2018
- 2018-11-16 CN CN201811362775.8A patent/CN109210310B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2189687Y (en) * | 1994-04-21 | 1995-02-15 | 河南省荥阳天然气设备制造厂 | High-pressure-movable bend |
| CN103557389B (en) * | 2013-11-14 | 2015-07-01 | 航天晨光股份有限公司 | Rotary joint |
| CN205534782U (en) * | 2016-04-21 | 2016-08-31 | 河北宝特石油机械有限公司 | Bao teshi high pressure activity elbow |
| CN206513987U (en) * | 2017-02-09 | 2017-09-22 | 长江大学 | A kind of movable elbow with multistage track groove |
| CN108050331A (en) * | 2018-01-12 | 2018-05-18 | 中石化四机石油机械有限公司 | A kind of carbon fibre composite enhances super-pressure movable elbow |
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| CN109210310A (en) | 2019-01-15 |
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