CN210219001U - Steel 90-degree r-shaped tee joint - Google Patents
Steel 90-degree r-shaped tee joint Download PDFInfo
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- CN210219001U CN210219001U CN201920427613.1U CN201920427613U CN210219001U CN 210219001 U CN210219001 U CN 210219001U CN 201920427613 U CN201920427613 U CN 201920427613U CN 210219001 U CN210219001 U CN 210219001U
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Abstract
A90-degree r-shaped steel tee joint is used for pipeline transmission engineering in the industries of petroleum, chemical engineering, electric power and the like. The method is characterized in that: the tee bend branch pipe is bend radius for 3D, and the person in charge is the straight tube, and the branch pipe is perpendicular with the port plane of being responsible for, and the person in charge is equal footpath or reducing with the branch pipe, and equal footpath tee bend, the inboard pitch arc of branch pipe and the outer wall line of being responsible for are tangent, and the central arc line of branch pipe and the axis of being responsible for are tangent simultaneously, and the reducing tee bend, the inboard pitch arc of branch pipe and the outer wall line of being responsible for are tangent, and the tee bend diameter > DN400 when, the utility model discloses a weld seam tee bend, branch pipe and person in charge have the welding seam in intersecting line or turn-ups combination department, and the tee bend diameter is less than or equal to DN400, the utility model discloses a seamless tee. The tee joint can reduce the resistance of a fluid medium at the inner corner of the pipeline, increase the flow of the branch pipe, reduce the 'gas gun' of the fluid generated in the pipeline, reduce the vibration of the pipeline, reduce the risk and save the space.
Description
Technical Field
The utility model relates to a 90 r type tees of steel for trades pipeline transportation engineering such as petroleum, chemical industry, nuclear power, electric power, shipbuilding, chemical fertilizer play the effect of connection, diversion, reposition of redundant personnel in pipe-line system.
Background
At present, in pipeline transportation engineering in industries such as petroleum, chemical engineering, nuclear power and the like, a tee joint design is adopted when pipeline branches are added, the reason is that the tee joint has a standard basis and can realize standardized production, but inflection points and connecting pieces generated by the connection of the tee joint are more, the occupied space is large, the pressure required for transporting fluid is large, and the tee joint is used to easily block fluid in the pipeline at the corners, so that the flow of branch pipes is reduced, and the pipeline vibration is caused by 'gas cannon'. In order to solve the problems, the pipeline equipment limited company in Hebeihui and some domestic companies have started the study of the inclined tee joint and have obtained certain results.
The scheme of the conventional steel 90-degree r-shaped tee joint product disclosed at present is as follows:
the invention discloses a large-radian PP-R three-way pipe, which is named as 'a large-radian PP-R three-way pipe', has the application number of CN201720920249, is filed by Zhejiang wealth pipeline science and technology limited company, has the publication number of CN207179018U, and has the publication number of 2018.04.03, and is characterized in that: the material is PP-R, the end part is a socket structure, the diameter of an inner channel of a branch pipe is the same as that of an inner channel of a straight pipe, the branch pipe is a large-radian bent pipe, and the ratio of the curvature radius of a central arc line of the branch pipe to the radius of the inner diameter of the branch pipe is (5-6): 1.
the invention discloses a forging method of a large-scale straight and inclined tee joint, which is named as forging technology of the large-scale straight and inclined tee joint, has the application number of CN200910209413, is filed as a pipe equipment limited company in Hebeihui, has the publication number of CN101695739B, and has the publication number of 2011.05.18, and is characterized in that: after the blank is heated, the blank is put into a tire mold, and a large-scale positive and oblique tee joint is formed by extrusion through a frame type multidirectional mold hydraulic forging press.
The invention discloses a novel large-diameter oblique tee manufacturing method, which is named as 'a novel large-diameter oblique tee manufacturing method', has the application number of CN201710331872, applies to the first engineering company for Shandong electric power construction, has the publication number of CN107009100A, and has the publication number of 2017.08.04, and is characterized in that: and splicing and welding the three-way inclined branch pipe and the three-way straight main pipe together to form an inclined three-way product.
The invention discloses a device for cold-forming extrusion inclined tee joint, which is named as a device for cold-forming extrusion inclined tee joint, has an application number of CN201720543923, is a Zhejiang Yiwu oolong auspicious mechanical equipment limited company, has a publication number of CN206689222U, and has a publication number of 2017.12.01, and is characterized in that: the device comprises a metal pipe blank, an inclined tee joint lower die cavity, a positioning device, an extrusion die and a hydraulic system, and can realize cold forming of the inclined tee joint.
The invention is named as a novel inclined tee joint, and the application number is CN201621278318, the applicant is Shandong square tube industry Co Ltd, the publication number is CN206191135U, the publication number is 2017.05.24, the invention discloses a novel inclined tee joint, and the invention is characterized in that: the inclined tee joint comprises an ultrahigh molecular weight polyethylene main pipe and an ultrahigh molecular weight polyethylene branch pipe, wherein a 15cm section of the root part of the branch pipe at the joint of the main pipe and the branch pipe is perpendicular to the main pipe and is connected at a 90-degree right angle, included angles of the root part of the branch pipe and two sides of the joint of the main pipe are consistent and are 90-degree right angles, and the part above 15cm of the root part of the branch pipe and the included angle of the main pipe can be bent at will within a range of 0-90 degrees as required.
The invention discloses a processing technology of an inclined tee joint, which is named as 'processing technology of an inclined tee joint', has the application number of CN201510859948, is filed by Hebei Honghouju equipment science and technology corporation, has the publication number of CN105252230B, and has the publication number of 2017.05.24, and the invention discloses the processing technology of the inclined tee joint, and is characterized in that: and heating the steel billet, installing the heated steel billet in a die, and performing upsetting and punching on a press machine to prepare the inclined tee joint.
The invention discloses a 45-degree inclined tee joint, which is named as 'a 45-degree inclined tee joint', has an application number of CN201520433379, is applied to Zhejiang Wanjia friend management Co Ltd, has a publication number of CN204879211U, and has a publication date of 2015.12.16, and is characterized in that: the device comprises a main pipe and a branch pipe which is connected to the main pipe in an inclined way of 45 degrees, the main pipe is equal to the branch pipe in inner diameter, and a protection plate is arranged at a lower connecting part.
SUMMERY OF THE UTILITY MODEL
The utility model discloses when solving trades pipeline transportation medium such as petroleum, chemical industry, nuclear power, the flex point and the connecting piece that the pipe connection produced are more, and occupation space is big, and the transportation fluid needs pressure great, and fluid medium is obstructed in the corner of pipeline, causes the branch pipe flow less, produces "gas big gun" easily, causes the technical problem of pipeline vibration.
In order to solve the above problem, the utility model discloses a scheme is: a steel 90 DEG r-shaped tee joint comprises the following components:
1. the three-way branch pipe is of a bent pipe structure with the bending radius of 3D, and the three-way main pipe is of a straight pipe structure;
2. the plane of the port of the three-way branch pipe is vertical to the plane of the port of the main pipe and is 90 degrees;
3. the main pipe and the branch pipe of the tee joint are of equal diameter or different diameter;
4. when the main pipe and the branch pipes are in equal diameters, the inner side arc line of each branch pipe is tangent to the outer wall line of the main pipe, and the central arc line of each branch pipe is tangent to the axis of the main pipe;
5. when the main pipe and the branch pipe are different in diameter, the inner side arc line of the branch pipe is tangent to the outer wall line of the main pipe;
6. when the nominal diameter of the tee is more than DN400, the utility model welds the seamed tee, and the branch pipe and the main pipe have a welding seam at the joint of the intersecting line or the flanging;
7. when the nominal diameter of the tee joint is less than or equal to DN400, the utility model is a seamless tee joint, and the structures of the branch pipe and the main pipe are the same as the die;
8. the end parts of the main pipe and the branch pipe are butt joints, the bevel angle is 37.5 degrees +/-2.5 degrees, and the truncated edge is 1.5mm +/-1 mm.
As mentioned above, the utility model relates to a 90 r type tees of steel, its beneficial effect lies in:
1. the steel 90-degree r-shaped tee joint can reduce the resistance of a fluid medium at a corner in a pipeline, increase the flow of a branch pipe, reduce an air cannon generated by the medium in the pipeline and reduce the vibration of the pipeline.
2. The production equipment and the tooling are not complex, and the batch production is easy to realize.
3. Compared with a regular tee, the steel 90-degree r-shaped tee saves the space of the pipeline and reduces the weight of the pipeline.
4. Compared with a regular tee, the steel 90-degree r-shaped tee can reduce the pressure required by the operation of the pipeline, reduce the risk of the pipeline and prolong the service life of the pipeline.
5. The extrusion-molded steel 90-degree r-shaped tee joint has good product flow linearity and attractive appearance.
Drawings
FIG. 1 is a schematic structural view (a-constant diameter structure, b-reducing structure) of a steel 90-degree r-type tee joint of the present invention;
FIG. 2 is a schematic view of a mold for the tee of the present invention;
FIG. 3 is a schematic structural view (a-equal diameter structure, b-different diameter structure) of the welded seam tee of the present invention;
FIG. 4 is a schematic structural view of the welded seam tee of the present invention (a-constant diameter structure, b-reducing structure).
Description of reference numerals:
1. branch pipe, 2, main pipe, 3, intersecting line, 4, conventional die, 5, improved die, 6, welding line, 7, flanging welding line, R, curvature radius of the branch pipe, R, transition inner arc of the branch pipe and the main pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is for purposes of illustration only and is not intended to limit the scope of the present disclosure, which is to be construed as broadly as the present disclosure may be modified and replaced as is commonly understood by one of ordinary skill in the art to which the present disclosure pertains.
Referring to fig. 1 to 4, the utility model relates to a steel 90 r tee joint, which comprises a branch pipe 1 and a main pipe 2, wherein the branch pipe 1 is a bent pipe structure with a bending radius of 3D, the bending radius is 3D, the main pipe 2 is a straight pipe structure, the port plane of the branch pipe 1 is perpendicular to the port plane of the main pipe 2 and is 90 degrees, the main pipe 2 and the branch pipe 1 are in equal diameter or different diameter, when the main pipe 2 and the branch pipe 1 are in equal diameter, the inner arc line of the branch pipe 1 is tangent to the outer wall line of the main pipe 2, and simultaneously the central arc line of the branch pipe 1 is tangent to the axis of the main pipe 2, when the main pipe 2 and the branch pipe 1 are in different diameter, the inner arc line of the branch pipe 1 is tangent to the outer wall line of the main pipe 2, and when the nominal diameter of the tee joint is more than DN400, the utility model is welded with a seamed tee joint, and the branch pipe and the main pipe have a welding seam, the branch pipe and the main pipe have the same structure as the die, the end parts of the main pipe 2 and the branch pipe 1 are butt joints, the bevel angle is 37.5 degrees +/-2.5 degrees, and the truncated edge is 1.5mm +/-1 mm.
Example 1
Seamless steel 90 degree r type triplet (diameter less than or equal to DN400)
The utility model provides a 90 r type tee bend of steel, including branch pipe 1 and the person in charge 2, branch pipe 1 is bend structure that bending radius is 3D, it is the structure of straight tube to be responsible for 2, the port plane of branch pipe 1 is perpendicular with the port plane of being responsible for 2, be 90, it is equal footpath or reducing to be responsible for 2 and branch pipe 1, when being responsible for 2 and branch pipe 1 and being equal footpath, the inboard pitch arc of branch pipe 1 is tangent with the outer wall line of being responsible for 2, the central circular arc line of branch pipe 1 is tangent with the axis of being responsible for 2 simultaneously, when being responsible for 2 and branch pipe 1 and being different footpath, the inboard pitch arc of branch pipe 1 is tangent with the outer wall line of being responsible for 2, this embodiment is seamless tee bend, branch pipe and the person in charge structure are the same with the mould, it is butt joint to be responsible for 2 and branch pipe 1 tip, the bevel angle.
The structure of the die in the embodiment adopts a conventional die 4 in fig. 2, and is characterized in that the die branch pipe is arranged in the middle of the die, the minimum value of the transition inner arc R of the branch pipe and the main pipe of the die is 0.05 times of the outer diameter of the branch pipe, the maximum value of the transition inner arc R is 0.1 times of the outer diameter of the branch pipe plus 20mm, and the curvature radius R of the branch pipe in the die is 3 times of the outer diameter of the branch pipe.
Example 2
Seamless steel 90 degree r type triplet (diameter less than or equal to DN400)
The utility model provides a 90 r type tee bend of steel, including branch pipe 1 and the person in charge 2, branch pipe 1 is bend structure that bending radius is 3D, it is the structure of straight tube to be responsible for 2, the port plane of branch pipe 1 is perpendicular with the port plane of being responsible for 2, be 90, it is equal footpath or reducing to be responsible for 2 and branch pipe 1, when being responsible for 2 and branch pipe 1 and being equal footpath, the inboard pitch arc of branch pipe 1 is tangent with the outer wall line of being responsible for 2, the central circular arc line of branch pipe 1 is tangent with the axis of being responsible for 2 simultaneously, when being responsible for 2 and branch pipe 1 and being different footpath, the inboard pitch arc of branch pipe 1 is tangent with the outer wall line of being responsible for 2, this embodiment is seamless tee bend, branch pipe and the person in charge structure are the same with the mould, it is butt joint to be responsible for 2 and branch pipe 1 tip, the bevel angle.
The structure of the die in the embodiment adopts the improved die 5 in fig. 2, and is characterized in that the die branch pipe deviates to the transition inner arc R position of the branch pipe and the main pipe in the middle of the die, the minimum value of the transition inner arc R of the branch pipe and the main pipe of the die is 0.05 times of the outer diameter of the branch pipe, the maximum value of the transition inner arc R of the branch pipe and the main pipe of the die is 0.1 times of the outer diameter of the branch pipe plus 20mm, and the curvature radius R of the branch pipe.
Example 3
Welding seamed steel 90 degree r type tee (diameter > DN400)
The utility model provides a 90 r type tee bend of steel, include branch pipe 1 and the person in charge 2, branch pipe 1 is the bend structure of bending radius for 3D, and bending radius is 3D, and the person in charge 2 is the structure of straight tube, and the port plane of branch pipe 1 is perpendicular with the port plane of the person in charge 2, is 90, and the person in charge 2 is equal footpath or reducing with branch pipe 1, and when being responsible for 2 and branch pipe 1 is equal footpath, the inboard pitch arc of branch pipe 1 is tangent with the outer wall line of being responsible for 2, and the central circular arc line of branch pipe 1 is tangent with the axis of being responsible for 2 simultaneously, and when being responsible for 2 and branch pipe 1 is reducing, the inboard pitch arc of branch pipe 1 is tangent with the outer wall line of being responsible for 2, the utility model discloses a welded groove tee bend, branch pipe and person in charge have welding seam 6 in intersecting line 3 department, and tee bend tip apart from branch pipe and the transition inner arc r department welding seam distance of being responsible for more than or equal to 300, the truncated edge is 1.5mm plus or minus 1 mm.
Example 4
Welding seamed steel 90 degree r type tee (diameter > DN400)
A steel 90 DEG r type tee joint comprises a branch pipe 1 and a main pipe 2, wherein the branch pipe 1 is of a bent pipe structure with the bending radius of 3D, the bending radius is 3D, the main pipe 2 is of a straight pipe structure, the port plane of the branch pipe 1 is perpendicular to the port plane of the main pipe 2 and is 90 degrees, the main pipe 2 and the branch pipe 1 are in equal diameter or different diameter, when the main pipe 2 and the branch pipe 1 are in equal diameter, the inner side arc line of the branch pipe 1 is tangent to the outer wall line of the main pipe 2, meanwhile, the central arc line of the branch pipe 1 is tangent to the axis of the main pipe 2, when the main pipe 2 and the branch pipe 1 are in different diameter, the inner side arc line of the branch pipe 1 is tangent to the outer wall line of the main pipe 2, the utility model discloses a welded tee joint, the branch pipe 1 is of a flanging structure, the branch pipe 1 has a flanging at the transition inner arc r position of the branch pipe and the main pipe, the transition inner arc r of the branch pipe is 0.05 times of the, the distance between the end part of the tee joint and the welding line at the transition inner arc r of the branch pipe and the main pipe is more than or equal to 300mm, the end parts of the main pipe 2 and the branch pipe 1 are butt welding joints, the groove angle is 37.5 degrees +/-2.5 degrees, and the truncated edge is 1.5mm +/-1 mm.
Claims (7)
1. A steel 90 DEG r-shaped tee joint is characterized by comprising the following components:
(1) the three-way branch pipe is of a bent pipe structure with the bending radius of 3D, and the three-way main pipe is of a straight pipe structure;
(2) the plane of the port of the three-way branch pipe is vertical to the plane of the port of the main pipe and is 90 degrees;
(3) the main pipe and the branch pipe of the tee joint are equal in diameter or different in diameter;
(4) when the main pipe and the branch pipes are in equal diameters, the inner side arc line of each branch pipe is tangent to the outer wall line of the main pipe, and the central arc line of each branch pipe is tangent to the axis of the main pipe;
(5) when the main pipe and the branch pipe are different in diameter, the inner side arc line of the branch pipe is tangent to the outer wall line of the main pipe;
(6) when the nominal diameter of the tee is more than DN400, the steel 90-degree r-shaped tee is welded with a seam tee, and a welding seam exists at the joint of the intersecting line or the flanging of the branch pipe and the main pipe;
(7) when the nominal diameter of the tee joint is less than or equal to DN400, the steel 90-degree r-shaped tee joint is a seamless tee joint, and the structures of the branch pipe and the main pipe are the same as those of the die;
(8) the end parts of the main pipe and the branch pipe are butt joints, the bevel angle is 37.5 degrees +/-2.5 degrees, and the truncated edge is 1.5mm +/-1 mm.
2. The steel 90 ° r tee of claim 1, wherein: the welded tee joint has welded seam in the intersecting line between the main pipe and the branch pipe, and the distance between the end of the tee joint and the welded seam in the transition inner arc between the branch pipe and the main pipe is not less than 300 mm.
3. The steel 90 ° r tee of claim 1, wherein: the welded tee joint has a welded joint at the joint of the branch pipe flanging and the main pipe opening, the branch pipe is of a flanging structure, the branch pipe is provided with a flanging at the transition inner arc of the branch pipe and the main pipe, the minimum value of the transition inner arc of the branch pipe and the main pipe is 0.05 times of the outer diameter of the branch pipe, the maximum value of the transition inner arc of the branch pipe and the main pipe is 0.1 times of the outer diameter of the branch pipe, and the distance between the end part of the tee joint and the welded joint at.
4. The steel 90 ° r tee of claim 1, wherein: the mould is structured in such a way that the branch pipe is arranged in the middle of the mould.
5. The steel 90 ° r tee of claim 1, wherein: the mould is structurally characterized in that the branch pipe is deviated to the transition inner arc position of the branch pipe and the main pipe in the middle of the mould.
6. The steel 90 ° r tee of claim 1, wherein: the mould has a structure that the curvature radius of a branch pipe in the mould is 3 times of the outer diameter of the branch pipe.
7. The steel 90 ° r tee of claim 1, wherein: the mold has the structure that the minimum value of the transition inner arc of the branch pipe and the main pipe is 0.05 times of the outer diameter of the branch pipe, and the maximum value is 0.1 times of the outer diameter of the branch pipe plus 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920427613.1U CN210219001U (en) | 2019-04-01 | 2019-04-01 | Steel 90-degree r-shaped tee joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920427613.1U CN210219001U (en) | 2019-04-01 | 2019-04-01 | Steel 90-degree r-shaped tee joint |
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| CN210219001U true CN210219001U (en) | 2020-03-31 |
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| CN201920427613.1U Active CN210219001U (en) | 2019-04-01 | 2019-04-01 | Steel 90-degree r-shaped tee joint |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765313A (en) * | 2019-04-01 | 2020-10-13 | 河北汇中管道装备有限公司 | Steel 90-degree r-shaped tee joint |
| CN115430891A (en) * | 2022-09-28 | 2022-12-06 | 伯朗特机器人股份有限公司 | Intersecting line double-pulse MIG welding method |
-
2019
- 2019-04-01 CN CN201920427613.1U patent/CN210219001U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765313A (en) * | 2019-04-01 | 2020-10-13 | 河北汇中管道装备有限公司 | Steel 90-degree r-shaped tee joint |
| CN115430891A (en) * | 2022-09-28 | 2022-12-06 | 伯朗特机器人股份有限公司 | Intersecting line double-pulse MIG welding method |
| CN115430891B (en) * | 2022-09-28 | 2023-06-02 | 伯朗特机器人股份有限公司 | Intersecting line double-pulse MIG welding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A steel 90 deg R-type tee Effective date of registration: 20210803 Granted publication date: 20200331 Pledgee: Cangzhou Bank Co.,Ltd. Yanshan sub branch Pledgor: HEBEI FOCUS PIPING Co.,Ltd. Registration number: Y2021110000025 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220829 Granted publication date: 20200331 Pledgee: Cangzhou Bank Co.,Ltd. Yanshan sub branch Pledgor: HEBEI FOCUS PIPING Co.,Ltd. Registration number: Y2021110000025 |