CN211398944U - Elbow - Google Patents
Elbow Download PDFInfo
- Publication number
- CN211398944U CN211398944U CN202020022382.9U CN202020022382U CN211398944U CN 211398944 U CN211398944 U CN 211398944U CN 202020022382 U CN202020022382 U CN 202020022382U CN 211398944 U CN211398944 U CN 211398944U
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- China
- Prior art keywords
- elbow
- operation hole
- fluid flow
- shaped surface
- flow channel
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- 239000012530 fluid Substances 0.000 claims abstract description 49
- 238000009826 distribution Methods 0.000 claims abstract description 7
- 239000000956 alloy Substances 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 17
- 238000003466 welding Methods 0.000 claims description 8
- 230000008676 import Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 12
- 238000003754 machining Methods 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 32
- 238000013003 hot bending Methods 0.000 description 17
- 238000012545 processing Methods 0.000 description 9
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001296 Malleable iron Inorganic materials 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005552 hardfacing Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
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- Branch Pipes, Bends, And The Like (AREA)
Abstract
The utility model discloses an elbow, which comprises a body, the front of body is provided with the handle hole, and a side is provided with the import, and a side is provided with the export, this internal fluid flow channel that is provided with, and fluid flow channel one end links to each other with the import, and the other end links to each other with the export, handle hole and fluid flow channel intercommunication, be provided with the apron on the handle hole, the apron covers on the handle hole. The utility model discloses the machining precision is high, and the bolt hole also can guarantee to stride well distribution, and the elbow that processes out has interchangeability, long service life moreover, and use cost is low.
Description
Technical Field
The utility model relates to an elbow especially relates to an elbow that fluid transport used such as being applied to oil, natural gas was used.
Background
Elbows are common components in piping systems that act to change the direction of the pipe. The connecting mode of the elbow and the pipe comprises welding, flange connection and the like. The elbow is made of cast iron, stainless steel, alloy steel, malleable cast iron, carbon steel, nonferrous metal, plastics, etc. The conventional structure of the elbow using flange connection is shown in fig. 1, and includes an elbow 1, two ends of the elbow 1 are connected with a flange 2, and the bending angle of the elbow is usually 45 °, 90 °, and so on. The traditional elbow is usually made by bending a straight pipe in a cold bending or hot bending mode. The elbow bent by adopting the mode has the advantages that the bending pressure of cold bending or hot bending is high, the precision of bending equipment is low, the bending formed by the elbow is the bending in the three-dimensional direction instead of the bending on a plane, and in the bending process, a straight pipe needs to be clamped on the bending equipment (the straight pipe needs to provide a clamping position for cold bending or hot bending), the error is amplified by multiple times under the condition that the clamping position is lengthened, the error of the bent elbow is high, in the oil, natural gas and other exploitation fields, the requirement on the elbow still needs to be distributed among bolt holes on the elbow, the machining force in the cold bending or hot bending process is high, the equipment precision is low, and the distribution in the bolt hole span in the cold bending or hot bending process is not easy to guarantee. Resulting in non-interchangeability of the elbows.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides an elbow, this elbow structure machining precision is high, and the bolt hole also can be guaranteed to stride well and distribute, and the elbow that processes out has interchangeability.
An elbow, includes the body, its characterized in that: the front of the body is provided with an operation hole, one side of the body is provided with an inlet, the other side of the body is provided with an outlet, a fluid flow channel is arranged in the body, one end of the fluid flow channel is connected with the inlet, the other end of the fluid flow channel is connected with the outlet, the operation hole is communicated with the fluid flow channel, a cover plate is arranged on the operation hole, and the cover plate covers the operation hole.
Preferably, a wear-resistant alloy material layer is welded on the joint of the fluid flow channel and the operation hole in a surfacing mode.
Preferably, the wear-resistant alloy material layer is a hard-face welding rod.
Preferably, the operation hole is vertically communicated with the fluid flow passage.
Preferably, the operation hole is vertically communicated with the bent portion of the fluid flow path.
Preferably, the cover plate is fixed to the body by bolts.
Preferably, the front of body still is provided with the seal groove, and the diameter of seal groove is greater than the diameter of operation hole, and the seal groove is installed the sealing washer with operation hole coaxial distribution in the seal groove, and the apron lid is on the operation hole after, the sealing washer is compressed tightly in the seal groove. The function is to play a sealing role and prevent the fluid from leaking.
Preferably, be provided with the seal groove on the side that is provided with import and export, the seal groove sets up with import and export are coaxial, and the diameter of seal groove is greater than the diameter of import and export, installs the sealing washer in the seal groove. The purpose is to prevent fluid leakage.
Preferably, the body includes arcwall face, left wedge and right wedge, goes up the both ends of arcwall face and links to each other with left wedge and right wedge respectively, and both ends link to each other with left wedge and right wedge respectively about the arcwall face down, and left wedge intersects with right wedge, and the import sets up on left wedge, and the export sets up on right wedge, perhaps the import sets up on there is the wedge, and the export sets up on left wedge.
The beneficial effects of the utility model are embodied in:
the structure of the utility model is completely different from the prior elbow structure, but a elbow structure is formed on the body, the elbow of the prior art needs to carry out cold bending or hot bending forming on the straight pipe, the fluid flow channel, the inlet and the outlet are directly processed on the body, and the operation hole is processed at the same time, just because of the arrangement of the operation hole, the fluid flow channel, the inlet and the outlet as well as the bolt hole can be processed on a finishing machine tool, the fluid flow channel can be directly processed on the body to form the elbow, and the hot bending or the cold bending forming is not needed, thus the bolt hole cross-center distribution on the end surface of the elbow can be ensured, the bend formed by the elbow can not be caused to be the bend in the three-dimensional direction, the processing error can not occur, so that each elbow has interchangeability, and the elbow can be conveniently replaced once damaged, the replacement is simple and the efficiency is higher. And through the design of the operation hole, the position that can change the fluid flow direction has the wear-resisting alloy material layer by the build-up welding, prevents to take place the puncture because of the too big emergence of fluid, avoids the combustible or toxic substance emergence accident in the fluid, has prolonged the life of elbow, has reduced use cost. After the alloy material layer is eroded, the bent pipe can be taken down to weld the alloy material layer again, and the elbow can be used continuously, so that the use cost can be greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of a prior art elbow, wherein A is a cold-bending or hot-bending clamping position
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic diagram of a half-section structure of the present invention;
fig. 4 is a schematic diagram of the internal structure of the present invention.
Reference numeral 1, return bend, 2, flange, 3, body, 30, go up the arcwall face, 31, lower arcwall face, 32, left wedge face, 33, right wedge face, 4, handle hole, 5, import, 6, export, 7, fluid runner, 8, apron, 9, wear-resisting alloy material layer, 10, bolt hole, 11, seal groove.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
The utility model provides an elbow. As shown in fig. 2, the structure of the elbow is completely different from the elbow structure of the prior art. The structure of the existing elbow can be completely overturned.
As shown in fig. 1, the conventional elbow structure is an elbow, and then flanges are connected to both ends of the elbow, and the elbow is connected to the pipeline through the flanges. The existing elbow manufacturing method is to use a cylinder to draw a hole to form a straight pipe, then to use cold bending or hot bending to bend the pipe to form the elbow, the manufacturing process needs to process the inner hole when cold bending or hot bending is carried out, and then to draw the hole after cold bending or hot bending, when the straight pipe is bent, the straight pipe needs to be clamped on a bending device (the straight pipe needs to provide a clamping position for cold bending or hot bending), after bending, because the bending pressure of cold bending or hot bending is larger, the precision of the bending device is lower, the bend formed by the elbow is the bend in the three-dimensional direction, but not the bend on the required plane, so the elbow generates errors, and the lengthening of the clamping position can lead to the error amplification of many times, finally, the bent elbow has larger errors, and each elbow does not have interchangeability. And the end face of the elbow is also possibly deformed, so that bolt holes on the end face of the elbow cannot be distributed in a span way, and the requirement of the elbow for oil exploitation cannot be met. The bent part of the existing elbow directly bears the scouring of oil, so that the bent part is easy to damage and has short service life. Because the existing elbow has the defects, the enterprises for exploiting petroleum, natural gas and the like need to frequently replace the elbow, the working strength is high, the replacement cost is high, and the exploitation operation is delayed. Based on the problems, the applicant carries out intensive research to carry out brand-new design on the existing elbow so as to solve the technical defects of the elbow used in the existing oil exploitation field.
The elbow of the utility model is directly processed by a finishing machine tool. Adopt finishing machine tool to bore out an operation hole 4 on the front of body 3, a side at body 3 is seted up an import 5, continue drilling, until with operation hole 4 intercommunication, another side at body 3 is seted up an export 6, continue drilling, until with operation hole intercommunication, will form the elbow, just need the hole in the body to form fluid flow channel 7, namely directly process fluid flow channel in the body through finishing machine tool, the operation hole communicates with the crooked place of fluid flow channel, owing to the effect of operation hole, just can adopt finishing machine tool directly to process fluid flow channel 7 in the body.
The utility model discloses an improvement just lies in through the design of structure, can directly process out the fluid flow way on the body, rather than carry out the clod wash or the hot-bending forms the elbow with the straight tube. To realize this internal direct processing fluid flow way, the design of handle hole is indispensable, only operates through the handle hole, just can process fluid flow way on the finishing machine tool. When processing, an operation hole is processed on the front surface of the body, then an inlet is processed on one side surface of the body, during processing, the inlet is processed in an inclined mode, the inclination angle is designed in advance, then drilling is carried out until the operation hole is drilled, an outlet is processed on the other side surface of the body, the outlet is processed in an inclined mode, the inclination angle is designed in advance, drilling is carried out until the operation hole is drilled, and the angle formed by the intersection angle of the axis of the inlet and the axis of the outlet is formed. The processing mode is easy to process, the processing is carried out on a finishing machine tool, and the processed inlet, outlet, fluid flow channel and operation hole are accurate in size and small in error. The elbow is directly processed without cold bending or hot bending, and deformation errors are avoided, so that the manufactured elbow is high in dimensional precision and specific interchangeability. Adopt the utility model discloses an elbow structure can be convenient for process when carrying out the smart man-hour, and the product error of processing out is little. And cold bending or hot bending molding is not needed, the bolt holes 10 arranged at the inlet or the outlet can ensure midspan distribution, and the use requirement of the oil exploitation elbow is met. The structure of the present invention is explained in detail below:
as shown in fig. 2 to 4, the portable electronic device comprises a body 3, wherein an operation hole 4 is formed in the front surface of the body 3, an inlet 5 is formed in one side surface of the body 3, an outlet 6 is formed in one side surface of the body, a fluid flow passage 7 is formed in the body 3, one end of the fluid flow passage 7 is connected with the inlet 5, the other end of the fluid flow passage 7 is connected with the outlet 6, the operation hole 4 is communicated with the fluid flow passage 7, a cover plate 8 is arranged on the operation hole 4, and the cover. The fluid flow channel can be directly machined in the body through the operation hole. The cover plate is used for sealing the operation hole and preventing fluid from flowing out of the operation hole. When the cover plate is used, the cover plate is required to cover the operation hole, and the cover plate can be fastened on the operation hole through bolts.
It is known that in actual use of the elbow, the high velocity fluid can erode the curved portion of the elbow where it is most susceptible to damage. The existing elbow is damaged at the position, and after the existing elbow is damaged, the operation needs to be stopped and the elbow needs to be replaced. Therefore, in order to prolong the service life of the elbow, the wear-resistant alloy material layer 9 is overlaid at the bending position of the elbow, namely the joint of the fluid flow channel and the operation hole, and high-speed fluid is flushed on the wear-resistant alloy material layer instead of the bending position of the traditional elbow, so that the service life of the elbow is prolonged, and the replacement frequency of the elbow is reduced. And even if the elbow is changed after the wear-resistant alloy material layer is damaged, the cover plate can be opened, the wear-resistant alloy material layer 9 is continuously overlaid at the position, and the elbow can be reused, so that the use amount of the elbow of an oil exploitation enterprise can be reduced, and the use cost is reduced. The existing elbow structure can not build up a wear-resistant alloy material layer at the bending position at all, because if the wear-resistant alloy material layer is built up and then is subjected to cold bending or hot bending, the elbow can be damaged. And the utility model discloses a fluid flow channel is directly after this internal good processing, then carries out build-up welding abrasive alloy material layer through the handle hole, and the build-up welding is accomplished the back locking apron can, the operation is feasible and simple and convenient. Adopt the utility model discloses a structure just can be in the position build-up welding wearing alloy material layer of crooked, the life of extension elbow.
The wear resistant alloy material we use is preferably a hard-facing electrode.
The wear-resistant alloy material layer can also be made of other wear-resistant alloy materials as long as the wear-resistant alloy material layer can resist wear and prolong the service life of the elbow.
The utility model discloses the handle hole communicates with fluid flow channel's flexion is perpendicular. And the vertical communication is convenient for welding the wear-resistant alloy material layer. Of course, the communication may not be perpendicular.
The front of body still is provided with seal groove 11, and the diameter of seal groove 11 is greater than the diameter of operation hole, and seal groove and operation hole coaxial distribution install the sealing washer in the seal groove, and the apron lid is on the operation hole back, and the sealing washer is compressed tightly in the seal groove. The function is to play a sealing role and prevent the fluid from leaking.
Be provided with seal groove 11 on the side that is provided with import and export, seal groove 11 sets up with import and export are coaxial, and the diameter of seal groove is greater than the diameter of import and export, installs the sealing washer in the seal groove. The purpose is to prevent fluid leakage.
The utility model provides a concrete body structure, body 3 include arcwall face 30, arcwall face 31, left wedge 32 and right wedge 33 down, go up the both ends of arcwall face and link to each other with left wedge and right wedge respectively, both ends link to each other with left wedge and right wedge respectively about the arcwall face down, left side wedge intersects with right wedge, the import sets up on left side wedge, the export sets up on right wedge, perhaps import sets up on there being the wedge, the export sets up on left side wedge. The body adopting the structure is convenient for processing the inlet, the outlet, the fluid flow passage and the operation hole on a finishing machine tool.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (9)
1. An elbow, includes the body, its characterized in that: the front of the body is provided with an operation hole, one side of the body is provided with an inlet, the other side of the body is provided with an outlet, a fluid flow channel is arranged in the body, one end of the fluid flow channel is connected with the inlet, the other end of the fluid flow channel is connected with the outlet, the operation hole is communicated with the fluid flow channel, a cover plate is arranged on the operation hole, and the cover plate covers the operation hole.
2. The elbow according to claim 1, wherein: and a wear-resistant alloy material layer is welded on the joint of the fluid flow channel and the operation hole in a surfacing mode.
3. The elbow of claim 2, wherein: the wear-resistant alloy material layer is a hard-surface welding rod.
4. The elbow according to claim 1, wherein: the operation hole is vertically communicated with the fluid flow channel.
5. The elbow according to claim 1, wherein: the operation hole is vertically communicated with the bent portion of the fluid flow passage.
6. The elbow according to claim 1, wherein: the cover plate is fixed on the body through bolts.
7. The elbow according to claim 1, wherein: the front of body still is provided with the seal groove, and the diameter of seal groove is greater than the diameter of operation hole, and the seal groove is coaxial distribution with the operation hole, installs the sealing washer in the seal groove, and the apron lid is on the operation hole back, and the sealing washer is compressed tightly in the seal groove.
8. The elbow according to claim 1, wherein: the sealing ring is characterized in that a sealing groove is arranged on the side face provided with the inlet and the outlet, the sealing groove is coaxially arranged with the inlet and the outlet, the diameter of the sealing groove is larger than that of the inlet and the outlet, and a sealing ring is arranged in the sealing groove.
9. The elbow according to claim 1, wherein: the body comprises an upper arc-shaped surface, a lower arc-shaped surface, a left wedge-shaped surface and a right wedge-shaped surface, wherein two ends of the upper arc-shaped surface are respectively connected with the left wedge-shaped surface and the right wedge-shaped surface; the inlet is arranged on the left wedge-shaped surface, and the outlet is arranged on the right wedge-shaped surface; or the inlet is arranged on the wedge-shaped surface, and the outlet is arranged on the left wedge-shaped surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020022382.9U CN211398944U (en) | 2020-01-07 | 2020-01-07 | Elbow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020022382.9U CN211398944U (en) | 2020-01-07 | 2020-01-07 | Elbow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211398944U true CN211398944U (en) | 2020-09-01 |
Family
ID=72213034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020022382.9U Active CN211398944U (en) | 2020-01-07 | 2020-01-07 | Elbow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211398944U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113578090A (en) * | 2021-08-30 | 2021-11-02 | 上海东富龙海崴生物科技有限公司 | Bladeless static mixer |
-
2020
- 2020-01-07 CN CN202020022382.9U patent/CN211398944U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113578090A (en) * | 2021-08-30 | 2021-11-02 | 上海东富龙海崴生物科技有限公司 | Bladeless static mixer |
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