CN104565555B - A kind of double-deck petroleum pipeline bracing frame - Google Patents
A kind of double-deck petroleum pipeline bracing frame Download PDFInfo
- Publication number
- CN104565555B CN104565555B CN201410701253.1A CN201410701253A CN104565555B CN 104565555 B CN104565555 B CN 104565555B CN 201410701253 A CN201410701253 A CN 201410701253A CN 104565555 B CN104565555 B CN 104565555B
- Authority
- CN
- China
- Prior art keywords
- upper supporter
- petroleum pipeline
- tube seat
- bracing frame
- dead ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003208 petroleum Substances 0.000 title claims abstract description 58
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Classifications
-
- 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
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/22—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals
- F16L3/237—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets specially adapted for supporting a number of parallel pipes at intervals for two pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Supports For Pipes And Cables (AREA)
Abstract
nullThe invention discloses a kind of double-deck petroleum pipeline bracing frame，Including base、Upper supporter、Lower support and pillar，Described upper supporter and lower support are that split is arranged，Described lower support is between two pillars，Described upper supporter is in " H " shape，The bottom of the upper supporter of " H " shape is connected with pillar by bolt，The recessed formation in top of the upper supporter of " H " shape is for placing the tube seat of pipeline，Described tube seat inwall is provided with fin vertically，Two pillars are connected with base by support bar respectively，The top of described upper supporter is provided with the dead ring for fixed-piping，The two ends of described dead ring are connected with upper supporter respectively，Pipe layered can independently set up，Bracing frame will not deform，The petroleum pipeline being simultaneously placed on tube seat is stable，Will not be moved，Long-pending not phenomenon will not occur in tube seat，Prevent petroleum pipeline from corroding because of rainwater.
Description
Technical field
The support means of inventive pipeline, particularly relates to a kind of double-deck petroleum pipeline bracing frame.
Background technology
Support of pipelines all can be used, also referred to as pipe support, pipe portion etc. in any place having pipeline laying.It is as the supporting construction of pipeline, and according to behavior in service and the arrangement requirement of pipeline, pipe support is divided into fixed and movable two kinds.The place arranging fixing point becomes fixed support, and this pipe support and support of pipelines can not occur relative displacement, and, the deformation after fixed pipe support stress is compared with the deformation values of pipeline compensator, it should the least, because pipe support to have enough rigidity.nullDuring petroleum transportation，Need to use substantial amounts of petroleum pipeline，These petroleum pipelines or be embedded in underground，Or it is erected at the position away from ground certain altitude，Existing petroleum pipeline bracing frame，Generally comprise bearing、With the tube seat for placing petroleum pipeline，Tube seat is typically placed on bearing by pillar，At existing petroleum pipeline in erection process，According to the needs that it is geographical or real，Need to use double-deck petroleum pipeline conveying crude oil，Its caliber is typically small，Save pipeline construction fund，Existing double-deck petroleum pipeline bracing frame，It is usually the brace groove of double-deck petroleum pipeline，Fix on the support columns，On it, lower support is structure as a whole，Cause when installing petroleum pipeline，Inconvenient，And also it is unfavorable for the adjustment to pipeline after installing，Upper strata pipeline is the most firm，Easily drop and pound the pipeline to lower floor，Cause the generation of dangerous accident，And production application there will be following problem，Petroleum pipeline is placed in tube seat，Pipeline is susceptible to displacement，And owing to the geographical environment of petroleum pipeline conveying is poor，Weather conditions are severe，Long-time tube seat is susceptible to，Pipeline has the risk come off from tube seat，And rest in tube seat during rainwater also president，It is in when petroleum pipeline is long in the tube seat of humidity，Petroleum pipeline is defined corrosion.
Summary of the invention
In order to overcome the defect of above-mentioned prior art, the invention provides a kind of double-deck petroleum pipeline bracing frame, the upper supporter of this bracing frame is independently arranged with lower support, and arranges pull bar in support column both sides, upper strata pipeline arranges dead ring and fixes upper strata pipeline, two-layer pipeline can independently set up, bracing frame will not deform, and the petroleum pipeline being simultaneously placed on tube seat is stable, will not be moved, long-pending not phenomenon will not occur in tube seat, prevent petroleum pipeline from corroding because of rainwater.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is:
A kind of double-deck petroleum pipeline support frame, including base, upper supporter, lower support and pillar, described base is provided with hole, location, two vertical being located on base of pillar, it is characterized in that: described upper supporter and lower support are that split is arranged, described lower support is between two pillars, described upper supporter is in " H " shape, the bottom of the upper supporter of " H " shape is connected with pillar by bolt, the recessed formation in top of the upper supporter of " H " shape is for placing the tube seat of pipeline, described tube seat inwall is provided with fin vertically, two pillars are connected with base by support bar respectively, the top of described upper supporter is provided with the dead ring for fixed-piping, the two ends of described dead ring are connected with upper supporter respectively.
The top of described pillar is provided with the cushion cap extended laterally, and the bottom deviation laterally of described upper supporter forms journal stirrup, and the described journal stirrup of upper supporter is matched with the cushion cap of pillar, and fixed with pillar by upper supporter by bolt.
Described seat bottom is respectively equipped with the bottom of cushion cap and is connected post, the two ends of described support bar respectively be connected post connect.
The two ends of described dead ring deviation laterally forms folding ear, and described dead ring is connected by folding ear and upper supporter are fixing.
The middle part of described dead ring disconnects and forms two sections, is connected by screw rod between the breaking part of dead ring.
The breaking part of described dead ring is respectively arranged at two ends with flange, and described screw rod is through flange and by nut check dead ring.
Described tube seat inwall is radially provided with rhone, and described rhone is mutually perpendicular to fin.
Described tube seat inwall is provided with osculum, and described osculum is located on tube seat bottom surface, and between two fins.
The invention have the advantages that
1, the present invention is by arranging upper supporter with lower support split, after the pipe laying of lower floor is good, then upper strata pipeline is re-layed, its construction is independent of each other, owing to upper supporter to be set to " H " type, the bottom of upper supporter is the most recessed, form the tube seat part accommodating lower floor's pipeline, levels is facilitated to set up petroleum pipeline, support bar is set between pillar and base, ensure the stability of bracing frame, on tube seat inwall, fin is set, be conducive to coordinating of petroleum pipeline and tube seat, the fluctuation of prevention petroleum pipeline pressure causes STRESS VARIATION to damage pipeline, the top of upper supporter is provided with the dead ring for reinforcing upper strata petroleum pipeline, prevent the local run-off the straight that petroleum pipeline is uneven in ramp or physical features.
2, the top of the pillar of the present invention is provided with the cushion cap extended laterally, the bottom deviation laterally of described upper supporter forms journal stirrup, the described journal stirrup of upper supporter matches with the cushion cap of pillar, and by bolt, upper supporter is fixed with pillar, cushion cap is the most corresponding with journal stirrup to be accepted, and by bolt, both are fixed, conveniently upper supporter is fixed with pillar, and is positioned at the top of lower support.
3, the seat bottom of the present invention is respectively equipped with the bottom of cushion cap and is connected post, the two ends of described support bar respectively be connected post connect, support bar according to project situation, when petroleum pipeline is heavier just installation, light-duty pipeline is without installing support bar.
4, the two ends of the dead ring of present invention deviation laterally forms folding ear, and described dead ring is connected by folding ear and upper supporter are fixing, facilitates the connection of dead ring and upper supporter.
5, the middle part of the dead ring of the present invention disconnects and forms two sections, connected by screw rod between the breaking part of dead ring, the breaking part of described dead ring is respectively arranged at two ends with flange, described screw rod is through flange and by nut check dead ring, the tensile force of dead ring is adjustable, and regulated more convenient by ring flange, more accurately.
6, the tube seat inwall of the present invention is along being radially provided with rhone, and described rhone is mutually perpendicular to fin, and described tube seat inwall is provided with osculum, and described osculum is located on tube seat bottom surface, and between two fins.Tube seat sidepiece fin water being discharged into the bottom of tube seat by rhone, discharged by osculum, will not form ponding in making tube seat, osculum is located at the bottom of tube seat, and between two fins, draining is more smooth and easy.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiments of the invention 1；
Fig. 2 is the structural representation of embodiments of the invention 2；
Fig. 3 is tube seat structural representation；
Figure marks: 1, base, 2, hole, location, 3, lower support, 4, upper supporter, 5, pillar, 6, cushion cap, 7, journal stirrup, 8, support bar, 9, bolt, 10, fin, 11, connect post, 12, dead ring, 13, screw rod, 14, folding ear, 15, flange, 16, rhone, 17, osculum.
Detailed description of the invention
The present invention is described further below in conjunction with the accompanying drawings:
Embodiment 1
nullSuch as Fig. 1、Shown in Fig. 3，A kind of double-deck petroleum pipeline bracing frame，Including base 1、Upper supporter 4、Lower support 3 and pillar 5，Described base 1 is provided with hole 2, location，Whole bracing frame is fixed on the ground by hole 2, location，Pillar 5 is two，Two vertical being located on base 1 of pillar 5，It is oppositely arranged，Lower support 3 is between two pillars 5，The above recessed formation tube seat of lower support 3，For placing the petroleum pipeline of lower floor，The top of upper supporter 4 is recessed also forms tube seat，For placing the petroleum pipeline on upper strata，The top being positioned at lower support 3 that upper supporter 4 is vertical on locus，Lower support 3、Upper supporter 4 is respectively used to accept petroleum pipeline，Bracing frame is formed two-layer petroleum pipeline，For split setting, (namely two supporters separate described upper supporter 4 with lower support 3，Need to be fixed into bilayer by connector；Certainly according to requirement of engineering, lower support also can be used alone, become individual layer petroleum pipeline bracing frame), in the present invention, described upper supporter 4 is in " H " shape, the bottom of the upper supporter 4 of " H " shape is connected with pillar 5 by bolt 9, form double-deck petroleum pipeline bracing frame, the recessed formation in top of the upper supporter 4 of " H " shape is for placing the tube seat of pipeline, its underpart fovea superior overarches, the passage accommodating lower floor's pipeline is cooperatively formed with the tube seat of lower support, and facilitate levels to set up petroleum pipeline, described tube seat inwall is provided with fin 10 vertically, two pillars 5 are connected with base 1 by support bar 8 respectively.
In order to make, support bar 8 is convenient to be connected, and upper supporter 4 is convenient with lower support 3 connection disassembling, the top of described pillar 2 is provided with outward extending cushion cap 6(and i.e. forms one for the flat board connected), the bottom deviation laterally of described upper supporter 4 forms the flat board that journal stirrup 7(matches with cushion cap 6, its function is consistent with cushion cap 6), therefore, the journal stirrup 7 of upper supporter 4 matches with the cushion cap 6 of pillar 2, and by bolt 9, upper supporter 4 is fixed with pillar 2, so go up supporter 4 and be just fixed on the top of lower support 3, define double-deck petroleum pipeline bracing frame, convenient dismounting.The connection of support bar 8 is the most more convenient simultaneously, is respectively equipped with the bottom of cushion cap 6 in described seat bottom 1 and is connected post 11, the two ends of described support bar 8 respectively be connected post 11 and connect.Support bar 8, according to project situation, is just installed when petroleum pipeline is heavier, and light-duty pipeline is without installing support bar, the most easy to use.
Further, described tube seat inwall is radially provided with rhone 16, and described rhone 16 is mutually perpendicular to fin, and described tube seat inwall is provided with osculum 17, described osculum 17 is located on tube seat bottom surface, and between two fins 10, tube seat sidepiece fin 10 water is discharged into the bottom of tube seat by rhone 16, is discharged by osculum 17, ponding will not be formed in making tube seat, osculum is located at the bottom of tube seat, and between two fins, draining is more smooth and easy.
Embodiment 2
nullSuch as Fig. 2、Shown in Fig. 3，A kind of double-deck petroleum pipeline bracing frame，Including base 1、Upper supporter 4、Lower support 3 and pillar 5，Described base 1 is provided with hole 2, location，Whole bracing frame is fixed on the ground by hole 2, location，Pillar 5 is two，Two vertical being located on base 1 of pillar 5，It is oppositely arranged，Lower support 3 is between two pillars 5，The above recessed formation tube seat of lower support 3，For placing the petroleum pipeline of lower floor，The top of upper supporter 4 is recessed also forms tube seat，For placing the petroleum pipeline on upper strata，The top being positioned at lower support 3 that upper supporter 4 is vertical on locus，Lower support 3、Upper supporter 4 is respectively used to accept petroleum pipeline，Bracing frame is formed two-layer petroleum pipeline，For split setting, (namely two supporters separate described upper supporter 4 with lower support 3，Need to be fixed into bilayer by connector；Certainly according to requirement of engineering, lower support also can be used alone, become individual layer petroleum pipeline bracing frame), in the present invention, described upper supporter 4 is in " H " shape, the bottom of the upper supporter 4 of " H " shape is connected with pillar 5 by bolt 9, form double-deck petroleum pipeline bracing frame, the recessed formation in top of the upper supporter 4 of " H " shape is for placing the tube seat of pipeline, its underpart fovea superior overarches, the passage accommodating lower floor's pipeline is cooperatively formed with the tube seat of lower support, and facilitate levels to set up petroleum pipeline, described tube seat inwall is provided with fin 10 vertically, two pillars 5 are connected with base 1 by support bar 8 respectively.The top of described upper supporter 4 is provided with the dead ring 12 for fixed-piping, and the two ends of described dead ring 12 are connected with upper supporter 4 respectively, prevents the local run-off the straight that petroleum pipeline is uneven in ramp or physical features.Further, it is exactly a flap that the two ends deviation laterally of described dead ring 12 forms folding ear 14(), described dead ring 12 is connected by folding ear 14 is fixing with upper supporter 4.
Further, in order to make dead ring 12 adjustable, the middle part of described dead ring 12 disconnects and forms two sections, and the breaking part of dead ring 12 is respectively arranged at two ends with flange 15, and screw rod 13 is through flange 15 and by nut check dead ring 12.
In order to make, support bar 8 is convenient to be connected, and upper supporter 4 is convenient with lower support 3 connection disassembling, the top of described pillar 2 is provided with outward extending cushion cap 6(and i.e. forms one for the flat board connected), the bottom deviation laterally of described upper supporter 4 forms the flat board that journal stirrup 7(matches with cushion cap 6, its function is consistent with cushion cap 6), therefore, the journal stirrup 7 of upper supporter 4 matches with the cushion cap 6 of pillar 2, and by bolt 9, upper supporter 4 is fixed with pillar 2, so go up supporter 4 and be just fixed on the top of lower support 3, define double-deck petroleum pipeline bracing frame, convenient dismounting.The connection of support bar 8 is the most more convenient simultaneously, is respectively equipped with the bottom of cushion cap 6 in described seat bottom 1 and is connected post 11, the two ends of described support bar 8 respectively be connected post 11 and connect.Support bar 8, according to project situation, is just installed when petroleum pipeline is heavier, and light-duty pipeline is without installing support bar, the most easy to use.
Further, described tube seat inwall is radially provided with rhone 16, and described rhone 16 is mutually perpendicular to fin, and described tube seat inwall is provided with osculum 17, described osculum 17 is located on tube seat bottom surface, and between two fins 10, tube seat sidepiece fin 10 water is discharged into the bottom of tube seat by rhone 16, is discharged by osculum 17, ponding will not be formed in making tube seat, osculum is located at the bottom of tube seat, and between two fins, draining is more smooth and easy.
Claims (7)
- null1. a double-deck petroleum pipeline bracing frame，Including base (1)、Upper supporter (4)、Lower support (3) and pillar (5)，Described base is provided with hole, location (2)，Two vertical being located on base (1) of pillar (5)，It is characterized in that: described upper supporter (4) and lower support (3) are that split is arranged，Described lower support (3) is positioned between two pillars (5)，Described upper supporter (4) is in " H " shape，The bottom of the upper supporter (4) of " H " shape is connected with pillar (5) by bolt (9)，The recessed formation in top of the upper supporter (4) of " H " shape is for placing the tube seat of pipeline，Its underpart fovea superior overarches，The passage accommodating lower floor's pipeline is cooperatively formed with the tube seat of lower support，Described tube seat inwall is provided with fin (10) vertically，Two pillars (5) are connected with base by support bar (8) respectively，The top of described upper supporter (4) is provided with the dead ring (12) for fixed-piping，The two ends of described dead ring (12) are connected with upper supporter (4) respectively，The top of described pillar (5) is provided with the cushion cap (6) extended laterally，The bottom deviation laterally of described upper supporter (4) forms journal stirrup (7)，The journal stirrup (7) of described upper supporter (4) matches with the cushion cap (6) of pillar (5)，And by bolt (9), upper supporter (4) is fixed with pillar (5).
- A kind of double-deck petroleum pipeline bracing frame the most according to claim 1, it is characterized in that: described seat bottom (1) is respectively equipped with the bottom of cushion cap (6) and is connected post (11), the two ends of described support bar (8) respectively be connected post (11) connect.
- A kind of double-deck petroleum pipeline bracing frame the most according to claim 1, it is characterized in that: the two ends deviation laterally of described dead ring (12) forms folding ear (14), described dead ring (12) is connected by folding ear (14) and upper supporter (4) are fixing.
- A kind of double-deck petroleum pipeline bracing frame the most according to claim 3, it is characterised in that: the middle part of described dead ring (12) disconnects and forms two sections, is connected by screw rod (13) between the breaking part of dead ring (12).
- A kind of double-deck petroleum pipeline bracing frame the most according to claim 4, it is characterized in that: the breaking part of described dead ring (12) is respectively arranged at two ends with flange (15), described screw rod (13) is through flange (15) and by nut check dead ring (12).
- A kind of double-deck petroleum pipeline bracing frame the most according to claim 1, it is characterised in that: described tube seat inwall is radially provided with rhone (16), and described rhone (16) is mutually perpendicular to fin (10).
- A kind of double-deck petroleum pipeline bracing frame the most according to claim 1, it is characterized in that: described tube seat inwall is provided with osculum (17), described osculum (17) is located on tube seat bottom surface, and is positioned between two fins (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410701253.1A CN104565555B (en) | 2014-11-28 | 2014-11-28 | A kind of double-deck petroleum pipeline bracing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410701253.1A CN104565555B (en) | 2014-11-28 | 2014-11-28 | A kind of double-deck petroleum pipeline bracing frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104565555A CN104565555A (en) | 2015-04-29 |
| CN104565555B true CN104565555B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410701253.1A Expired - Fee Related CN104565555B (en) | 2014-11-28 | 2014-11-28 | A kind of double-deck petroleum pipeline bracing frame |
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| Country | Link |
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| CN (1) | CN104565555B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105569585A (en) * | 2015-03-27 | 2016-05-11 | 中国石油化工股份有限公司 | Oil pipe cross arm |
| CN105839763A (en) * | 2016-04-11 | 2016-08-10 | 刘青建 | Sewage discharge pipeline rack |
| CN106122608A (en) * | 2016-08-22 | 2016-11-16 | 苏州市华宁机械制造有限公司 | A kind of dismountable combined pipe pipe connecting |
| CN107225542A (en) * | 2017-06-15 | 2017-10-03 | 成都大漠石油技术有限公司 | For the fixed mechanism processed to crude oil pipeline |
| CN107116524A (en) * | 2017-06-15 | 2017-09-01 | 成都大漠石油技术有限公司 | It is easy to the petroleum pipeline storing unit picked and placeed |
| CN107575649B (en) * | 2017-09-12 | 2024-02-02 | 苏州诺力达工程技术服务有限公司 | Petroleum pipeline safety support frame |
| CN108131498A (en) * | 2017-12-20 | 2018-06-08 | 成都大漠石油技术有限公司 | It is a kind of that there is the stent system of function of seismic resistance for setting up petroleum pipeline |
| CN113323103A (en) * | 2021-04-28 | 2021-08-31 | 中国建筑第八工程局有限公司 | All-terrain riverway side sewage intercepting pipe structure and construction method thereof |
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|---|---|---|---|---|
| CN2441005Y (en) * | 2000-08-28 | 2001-08-01 | 上海满水化学品有限公司 | Load-transferred energy saving supporting/hanging stand |
| CN103292039A (en) * | 2013-06-04 | 2013-09-11 | 无锡金顶石油管材配件制造有限公司 | Double-tier petroleum pipeline support |
| CN203585551U (en) * | 2013-12-05 | 2014-05-07 | 李琨 | Fixed mounting device for double-layer petroleum pipeline |
| CN203963252U (en) * | 2014-07-02 | 2014-11-26 | 中国石油大学(北京) | A kind of petroleum pipeline bracket |
| CN204328229U (en) * | 2014-11-28 | 2015-05-13 | 成都锦汇科技有限公司 | A kind of double-deck petroleum pipeline support frame |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2901931B2 (en) * | 1996-11-22 | 1999-06-07 | 日栄インテック株式会社 | Piping support bracket |
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2014
- 2014-11-28 CN CN201410701253.1A patent/CN104565555B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2441005Y (en) * | 2000-08-28 | 2001-08-01 | 上海满水化学品有限公司 | Load-transferred energy saving supporting/hanging stand |
| CN103292039A (en) * | 2013-06-04 | 2013-09-11 | 无锡金顶石油管材配件制造有限公司 | Double-tier petroleum pipeline support |
| CN203585551U (en) * | 2013-12-05 | 2014-05-07 | 李琨 | Fixed mounting device for double-layer petroleum pipeline |
| CN203963252U (en) * | 2014-07-02 | 2014-11-26 | 中国石油大学(北京) | A kind of petroleum pipeline bracket |
| CN204328229U (en) * | 2014-11-28 | 2015-05-13 | 成都锦汇科技有限公司 | A kind of double-deck petroleum pipeline support frame |
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| CN104565555A (en) | 2015-04-29 |
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Inventor after: Bian Dingwang Inventor after: Zha Cuihong Inventor before: Zhang Yifan |
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Effective date of registration: 20170523 Address after: 224042 Dagang Town of Jiangsu province yandudistrict of Yancheng City New Road No. 19 Patentee after: YANCHENG HUAYI PETROLEUM MACHINERY Co.,Ltd. Address before: 610000 Jinjiang District, Chengdu, No. 1 East Ring Road, Sichuan No. five, building 1-1, layer 108, No. 21, No. 2106 Patentee before: Chengdu Jinhui Technology Co.,Ltd. |
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