CN104908628A - Pipe transporting machine for mountainous region - Google Patents
Pipe transporting machine for mountainous region Download PDFInfo
- Publication number
- CN104908628A CN104908628A CN201510145857.7A CN201510145857A CN104908628A CN 104908628 A CN104908628 A CN 104908628A CN 201510145857 A CN201510145857 A CN 201510145857A CN 104908628 A CN104908628 A CN 104908628A
- Authority
- CN
- China
- Prior art keywords
- leveling
- chassis
- seat
- mountain region
- machine
- 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.)
- Granted
Links
Abstract
The invention discloses a pipe transporting machine for a mountainous region, which comprises a chassis, a gripping mechanism, a leveling device and a crane, wherein the chassis is used for driving the pipe transporting machine for the mountainous region to move; the gripping mechanism is fixed on the chassis and used for clamping and fixing pipelines; the leveling device comprises a leveling seat, two leveling axle seats and a leveling drive; the two leveling axle seats are respectively fixed on the two sides of the leveling seat; the leveling seat is rotationally fixed on the chassis by the two leveling axle seats; one end of the leveling drive is fixedly connected with the chassis; the other end of the leveling drive is fixedly connected with one end of the leveling seat; the crane is fixed on the leveling seat; and when the leveling drive is started, the leveling drive stretches out and draws back to drive the leveling seat to rotate relative to the chassis by taking central axes of the two leveling axle seats as axle centers. The pipe transporting machine for the mountainous region solves the technical problems in the prior art that the consumed time of pipe laying in the mountainous region is long and the safety is poor due to the fact that a pipe transporting machine is used for transporting pipes, and then an excavator is used to excavate a platform and to crane the pipelines. The pipe transporting machine for the mountainous region realizes the technical effects that the safety and the construction efficiency of construction in the mountainous region are improved.
Description
Technical field
The present invention relates to petroleum pipe line laying technology field, particularly relate to a kind of mountain region fortune pipe machine.
Background technology
In oil and gas pipeline is built, the transport of steel pipe, lifting, hyposulculus are the important steps in construction, current construction has mainly come by pipe sling, pipe sling is preparation of construction important in oil and gas pipeline construction, apply for many years in oil and gas pipeline construction, be mainly used for the stringing of heavy caliber pipe, hyposulculus operation.But along with pipeline construction environment constantly changes, the limitation of pipe sling is also increasing.Especially in the construction of mountain region, because pipe sling can not plunge operation, so under mountain environment, fortune pipe stringing has become a maximum difficult problem for pipeline construction.
In order to solve the problem, in current pipe-line construction, the steel pipe transmission work that pipe machine completes mountain region section is comprehensively transported in main hauling pipe sledge or the mountain region of using, and after arriving appointed place, builds platform, utilize bucket to complete lifting and the hyposulculus operation of steel pipe by excavating machine.
But after steel pipe transmission to appointed place, also need excavating machine by building platform to carry out lifting and hyposulculus operation, due to excessive to the excavated volume of the earthwork, not only the duration is elongated, and waste resource.Secondly, in pipeline construction field, excavating machine carries operation for steel tube suspending and also there is safety hazard.
That is, in prior art, mountain region pipe laying is first with Guan Yunji fortune pipe, then uses excavator platform, then uses excavating machine swing pipe road, there is mountain region pipe laying length consuming time, the technical matters of poor stability.
Summary of the invention
The present invention transports pipe machine by providing a kind of mountain region, solves of the prior art first with Guan Yunji fortune pipe, then uses excavator platform, then use excavating machine swing pipe road, the mountain region pipe laying length consuming time of existence, the technical matters of poor stability.
The embodiment of the present application provides following technical scheme:
A kind of mountain region fortune pipe machine, comprising:
Chassis, transports pipe machine for driving described mountain region and moves;
Gripping mechanism, is fixed on described chassis, for gripping pipeline;
Leveling equipment, comprising: leveling seat, two leveling axle beds and leveling drive, and wherein, described two leveling axle beds are separately fixed at the both sides of described leveling seat; Described leveling seat is rotatably mounted on described chassis by described two leveling axle beds; One end that described leveling drives is fixedly connected with described chassis, and the other end that described leveling drives is fixedly connected with one end of described leveling seat;
Loop wheel machine, is fixed on described leveling seat;
Wherein, when described leveling drives startup, described leveling drives reduction also to drive described leveling seat with the center shaft of described two leveling axle beds for rotating relative to described chassis in axle center, and then regulates the relative angle on described loop wheel machine and described chassis.
Optionally, described leveling drives and is specially hydraulically powered leveling cyclinder.
Optionally, described loop wheel machine comprises: pivoting support and suspension bracket, described pivoting support is fixed on described leveling seat by bolt arrangement is rotatable, and one end and the described pivoting support of described suspension bracket are fixed, to make described suspension bracket can with the center shaft of described pivoting support for axis rotation.
Optionally, described two leveling axle beds are fixed on described chassis, and described two leveling axle beds are sheathed on the two ends of a main shaft respectively, and described main shaft is arranged on described leveling seat.
Optionally, described chassis is provided with two sleeve clamps, every sleeve clamp in described two sleeve clamps comprises: upper fixture bonded to each other and lower clamp, through hole is provided with between described upper fixture and lower clamp, described two leveling axle beds are arranged in the described through hole of described two sleeve clamps respectively, to be rotatably mounted on described chassis by described leveling seat.
Optionally, described loop wheel machine is specially folding arm loop wheel machine or flexible loop wheel machine.
Optionally, described chassis is specially crawler body.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
The mountain region fortune pipe machine that the embodiment of the present invention provides, by increasing the unloading problem voluntarily that loop wheel machine solves steel pipe on fortune tube apparatus; By design loop wheel machine leveling equipment, loop wheel machine is tilted and rotates, the i.e. mountain region fortune pipe function gripping mechanism of self, coordinate loop wheel machine and the leveling equipment of himself, realize the transport of mountain region steel pipe, lifting and hyposulculus operation by an equipment, thus improve safety and the operating efficiency of mountain region construction.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the constructional drawing one of mountain region fortune pipe machine in the embodiment of the present application;
Fig. 2 is the constructional drawing two of mountain region fortune pipe machine in the embodiment of the present application;
Fig. 3 is the constructional drawing of leveling seat in the embodiment of the present application;
Fig. 4 is the fixing schematic diagram on leveling axle bed and chassis in the embodiment of the present application;
Fig. 5 is mountain region fortune pipe machine transport steel pipe schematic diagram in the embodiment of the present application;
Fig. 6 is mountain region fortune pipe machine unloading steel pipe schematic diagram in the embodiment of the present application.
Detailed description of the invention
The embodiment of the present invention transports pipe machine by providing a kind of mountain region, solves first with Guan Yunji fortune pipe in prior art, then uses excavator platform, then use excavating machine swing pipe road, the mountain region pipe laying length consuming time of existence, the technical matters of poor stability.Achieve and improve the safety of mountain region construction and the technique effect of operating efficiency.
For solving the problems of the technologies described above, the embodiment of the present application provides the general thought of technical scheme as follows:
The application provides a kind of mountain region to transport pipe machine, comprising:
Chassis, transports pipe machine for driving described mountain region and moves;
Gripping mechanism, is fixed on described chassis, for gripping pipeline;
Leveling equipment, comprising: leveling seat, two leveling axle beds and leveling drive, and wherein, described two leveling axle beds are separately fixed at the both sides of described leveling seat; Described leveling seat is rotatably mounted on described chassis by described two leveling axle beds; One end that described leveling drives is fixedly connected with described chassis, and the other end that described leveling drives is fixedly connected with one end of described leveling seat;
Loop wheel machine, is fixed on described leveling seat;
Wherein, when described leveling drives startup, described leveling drives reduction, and drives described leveling seat with the center shaft of described two leveling axle beds for rotating relative to described chassis in axle center, and then regulates the relative angle on described loop wheel machine and described chassis.
Can be found out by foregoing, by increasing the unloading problem voluntarily that loop wheel machine solves steel pipe on fortune tube apparatus; By design loop wheel machine leveling equipment, loop wheel machine is tilted and rotates, the i.e. mountain region fortune pipe function gripping mechanism of self, coordinate loop wheel machine and the leveling equipment of himself, realize the transport of mountain region steel pipe, lifting and hyposulculus operation by an equipment, thus improve safety and the operating efficiency of mountain region construction.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail, the specific features being to be understood that in the embodiment of the present invention and embodiment is the detailed description to technical scheme, instead of the restriction to technical scheme, when not conflicting, the technical characteristic in the embodiment of the present application and embodiment can combine mutually.
In the present embodiment, provide a kind of mountain region fortune pipe machine, please refer to Fig. 1 and Fig. 2, Fig. 1 and Fig. 2 is the constructional drawing of mountain region fortune pipe machine in the embodiment of the present application, and described mountain region fortune pipe machine comprises:
Chassis 1, transports pipe machine for driving described mountain region and moves;
Gripping mechanism 2, is fixed on described chassis 1, for gripping pipeline;
Leveling equipment 3, comprising: leveling seat 31, two leveling axle beds 32 and leveling drive 33, and wherein, described two leveling axle beds 32 are separately fixed at the both sides of described leveling seat 31; Described leveling seat 31 is rotatably mounted on described chassis 1 by described two leveling axle beds 32; Described leveling drives one end of 33 to be fixedly connected with described chassis 1, and described leveling drives the other end of 33 to be fixedly connected with one end of described leveling seat 31;
Loop wheel machine 4, is fixed on described leveling seat 31;
Wherein, when described leveling drives 33 to start, described leveling drives 33 reductions, and drives described leveling seat 31 with the center shaft of described two leveling axle beds 32 for axle center is rotated relative to described chassis 1, and then regulates the relative angle on described loop wheel machine 4 and described chassis 1.
Introduce the structure of described mountain region fortune pipe machine and the operational method of described mountain region fortune pipe machine below respectively:
First, the structure of described mountain region fortune pipe machine is introduced.
In the embodiment of the present application, described mountain region fortune pipe machine comprises chassis 1 for transporting steel pipe and gripping mechanism 2, and for lifting and the leveling equipment 3 of hyposulculus operation and loop wheel machine 4.Wherein, chassis 1 is for the walking of driving arrangement, gripping mechanism 2 fixing for steel pipe, loop wheel machine 4 mainly completes the lifting operation to load, loop wheel machine leveling equipment 3 has been used for the adjustment of loop wheel machine 4 operating angle, when loop wheel machine 4 during operation, can be transferred to level attitude by loop wheel machine leveling equipment 3 by equipment on ramp.
In specific implementation process, described chassis 1 can be illustrated in figure 1 crawler body, to be suitable for creeping of mountain region.
Certainly, described chassis 1 can be also mechanically operated chassis or colyliform chassis, is not restricted in the present embodiment.
Further, gripping mechanism 2 has the effect of load-bearing and fastening steel pipe, guarantees firm, stable in transportation of steel pipe; Described gripping mechanism 2 can be the clamp that can control folding, also can be the clamp of fixed sturcture, not be restricted in the present embodiment.
Introduce leveling equipment 3 and loop wheel machine 4 below in detail.
In specific implementation process, described loop wheel machine 4 can be folding arm crane machine or flexible loop wheel machine, is not restricted in the present embodiment.
In the embodiment of the present application, described loop wheel machine 4 is arranged on chassis 1 by described leveling equipment 3.Specifically, described loop wheel machine 4 comprises: pivoting support and suspension bracket, described pivoting support is fixed on described leveling seat 31 by bolt arrangement is rotatable, one end and the described pivoting support of described suspension bracket 4 are fixed, to make described suspension bracket can with the center shaft of described pivoting support for axis rotation, thus realize loop wheel machine 4 and rotate on described base 1.
In the embodiment of the present application, described leveling equipment 3 is rotatably mounted on described chassis 1 by described two leveling axle beds 32, specifically, please refer to Fig. 3, as shown in Figure 3, the top of described leveling seat 31 offers an apical pore, for installing the pivoting support of fixing loop wheel machine 4, two sidepieces of described leveling seat 31 offer a side opening respectively, for being connected with two leveling axle beds 32, in specific implementation process, it is more that described leveling seat 31 is rotatably mounted to described the One On The Chassis structure by described two leveling axle beds 32, enumerates two kinds below:
The first, one end of described two leveling axle beds 32 is fixed on described chassis, and the other end of described two leveling axle beds 32 is sheathed on the two ends of a main shaft respectively, and described main shaft is arranged on described leveling seat 31.Described leveling seat 31 can with described main shaft for axis rotation.
The second, as shown in Figure 4, described chassis 1 is provided with two sleeve clamps, every sleeve clamp in described two sleeve clamps comprises: upper fixture 401 bonded to each other and lower clamp 402, through hole is provided with between described upper fixture 401 and lower clamp 402, one end of described two leveling axle beds 32 is arranged in the described through hole of described two sleeve clamps respectively, the other end of described two leveling axle beds 32 is fixed or is arranged on leveling seat 31, to be rotatably mounted on described chassis 1 by described leveling seat 31, make described leveling seat 31 can with described two leveling axle beds 32 for axis rotation.
In the embodiment of the present application, the structure promoting the rotation of described leveling seat 31 is that described leveling drives 33, specifically, described leveling drives one end of 33 to be fixedly connected with described chassis 1, and described leveling drives the other end of 33 to be fixedly connected with one end of described leveling seat 31; To make when described leveling drives 33 to start, described leveling drives 33 reductions, and drives described leveling seat 31 with the center shaft of described two leveling axle beds 32 for axle center is rotated relative to described chassis 1, and then regulates the relative angle on described loop wheel machine 4 and described chassis 1.
In specific implementation process, described leveling drives 33 can be one direction or the hydraulically powered leveling cyclinder of twocouese, and the Mechanical Driven that also can control for electronics package, is not restricted in the present embodiment.
Next, the operational method of described mountain region fortune pipe machine.
When needs are on mountain region during tubing, first as shown in Figure 5, with the gripping mechanism 2 clamping fastener steel pipe of described mountain region fortune pipe machine, guarantee steel pipe in transportation firmly and stable;
Restart chassis 1, make described mountain region transport pipe machine and carry out working uphill, so that steel pipe safety is transported to the job position of specifying;
After arriving the job position on mountain region, when needing to unload steel pipe on ramp, as shown in Figure 6, controlling leveling drives 33 to start reduction, to drive described leveling seat 31 with the center shaft of described two leveling axle beds 32 for axle center is rotated relative to described chassis 1, graphic dotted line loop wheel machine is made to adjust to the level attitude shown in solid line loop wheel machine, guarantee that loop wheel machine meets to hang and carry requirement, carry out hanging carrying according to lifted load table again and unload pipe operation, with with an equipment, complete the transport of steel pipe in mountain region safely, hang and carry and hyposulculus operation.
Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
The mountain region fortune pipe machine that the embodiment of the present invention provides, by increasing the unloading problem voluntarily that loop wheel machine solves steel pipe on fortune tube apparatus; By design loop wheel machine leveling equipment, loop wheel machine is tilted and rotates, the i.e. mountain region fortune pipe function gripping mechanism of self, coordinate loop wheel machine and the leveling equipment of himself, realize the transport of mountain region steel pipe, lifting and hyposulculus operation by an equipment, thus improve safety and the operating efficiency of mountain region construction.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (7)
1. a mountain region fortune pipe machine, is characterized in that, comprising:
Chassis, transports pipe machine for driving described mountain region and moves;
Gripping mechanism, is fixed on described chassis, for gripping pipeline;
Leveling equipment, comprising: leveling seat, two leveling axle beds and leveling drive, and wherein, described two leveling axle beds are separately fixed at the both sides of described leveling seat; Described leveling seat is rotatably mounted on described chassis by described two leveling axle beds; One end that described leveling drives is fixedly connected with described chassis, and the other end that described leveling drives is fixedly connected with one end of described leveling seat;
Loop wheel machine, is fixed on described leveling seat;
Wherein, when described leveling drives startup, described leveling drives reduction also to drive described leveling seat with the center shaft of described two leveling axle beds for rotating relative to described chassis in axle center, and then regulates the relative angle on described loop wheel machine and described chassis.
2. mountain region as claimed in claim 1 fortune pipe machine, it is characterized in that, described leveling drives and is specially hydraulically powered leveling cyclinder.
3. mountain region as claimed in claim 1 fortune pipe machine, it is characterized in that, described loop wheel machine comprises: pivoting support and suspension bracket, described pivoting support is fixed on described leveling seat by bolt arrangement is rotatable, one end and the described pivoting support of described suspension bracket are fixed, to make described suspension bracket can with the center shaft of described pivoting support for axis rotation.
4. mountain region as claimed in claim 1 fortune pipe machine, it is characterized in that, described two leveling axle beds are fixed on described chassis, and described two leveling axle beds are sheathed on the two ends of a main shaft respectively, and described main shaft is arranged on described leveling seat.
5. mountain region as claimed in claim 1 fortune pipe machine, it is characterized in that, described chassis is provided with two sleeve clamps, every sleeve clamp in described two sleeve clamps comprises: upper fixture bonded to each other and lower clamp, through hole is provided with between described upper fixture and lower clamp, described two leveling axle beds are arranged in the described through hole of described two sleeve clamps respectively, to be rotatably mounted on described chassis by described leveling seat.
6. mountain region as claimed in claim 1 fortune pipe machine, it is characterized in that, described loop wheel machine is specially folding arm loop wheel machine or flexible loop wheel machine.
7. the mountain region fortune pipe machine as described in as arbitrary in claim 1-6, it is characterized in that, described chassis is specially crawler body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510145857.7A CN104908628B (en) | 2015-03-30 | 2015-03-30 | Transport pipe machine in a kind of mountain region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510145857.7A CN104908628B (en) | 2015-03-30 | 2015-03-30 | Transport pipe machine in a kind of mountain region |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104908628A true CN104908628A (en) | 2015-09-16 |
| CN104908628B CN104908628B (en) | 2018-02-02 |
Family
ID=54078207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510145857.7A Active CN104908628B (en) | 2015-03-30 | 2015-03-30 | Transport pipe machine in a kind of mountain region |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104908628B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106315427A (en) * | 2016-08-31 | 2017-01-11 | 湖南梅花机电科技有限公司 | Crawler-type cargo transhipment crane |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2603756Y (en) * | 2002-10-29 | 2004-02-18 | 陈炯 | Crane for pipe |
| RU2268200C2 (en) * | 2003-12-12 | 2006-01-20 | Михаил Викторович Харченко | Mobile plant for de-icing of flying vehicles, industrial objects and structural objects |
| US20100180475A1 (en) * | 2009-01-20 | 2010-07-22 | Ellett William Anthony | Heavy equipment vehicle for laying pipe |
| CN201723922U (en) * | 2010-03-26 | 2011-01-26 | 廊坊市管道人机械设备有限公司 | Leveling device |
| CN201792783U (en) * | 2010-09-26 | 2011-04-13 | 泰安泰山工程机械股份有限公司 | Full hydraulic crawler pipeline transporting machine |
| CN203284828U (en) * | 2013-04-03 | 2013-11-13 | 中国石油天然气集团公司 | Concomitant traction mountain excavator |
-
2015
- 2015-03-30 CN CN201510145857.7A patent/CN104908628B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2603756Y (en) * | 2002-10-29 | 2004-02-18 | 陈炯 | Crane for pipe |
| RU2268200C2 (en) * | 2003-12-12 | 2006-01-20 | Михаил Викторович Харченко | Mobile plant for de-icing of flying vehicles, industrial objects and structural objects |
| US20100180475A1 (en) * | 2009-01-20 | 2010-07-22 | Ellett William Anthony | Heavy equipment vehicle for laying pipe |
| CN201723922U (en) * | 2010-03-26 | 2011-01-26 | 廊坊市管道人机械设备有限公司 | Leveling device |
| CN201792783U (en) * | 2010-09-26 | 2011-04-13 | 泰安泰山工程机械股份有限公司 | Full hydraulic crawler pipeline transporting machine |
| CN203284828U (en) * | 2013-04-03 | 2013-11-13 | 中国石油天然气集团公司 | Concomitant traction mountain excavator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106315427A (en) * | 2016-08-31 | 2017-01-11 | 湖南梅花机电科技有限公司 | Crawler-type cargo transhipment crane |
| CN106315427B (en) * | 2016-08-31 | 2017-12-22 | 湖南梅花机电科技有限公司 | A kind of crawler type goods jack conveyance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104908628B (en) | 2018-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100575237C (en) | Hoisting crane | |
| CN205805588U (en) | Bow member chassis mechanical hand and bow member chassis | |
| CN205805583U (en) | Bow member chassis | |
| CN106041903A (en) | Pipeline moving device based on fastness improving | |
| CN111733948A (en) | Pipeline laying device and construction method thereof | |
| JP2019065630A (en) | Belt extension work method of continuous belt conveyor device for muck conveyance in tunnel construction | |
| CN104908628A (en) | Pipe transporting machine for mountainous region | |
| KR102025327B1 (en) | pipe layer adjustable boom length | |
| CN202193021U (en) | Automatic pipe loading and unloading distributor for tunnels | |
| CN107893430A (en) | The assembled installation car of prefabricated pipe gallery | |
| JP2019214859A (en) | Lifting tool unit in floor slab erection machine | |
| CN201989684U (en) | Swing-arm-type self loading and unloading crawler pipe transporter | |
| JP2011067930A (en) | Pipe material supporting method and pipe material supporting device | |
| CN110789426B (en) | Use method of pipe conveying and distributing vehicle for pipeline construction | |
| JP2015536393A (en) | Cantilever built-in drilling unit | |
| WO2005123564A1 (en) | An attachment for a mobile material handler | |
| WO2022152227A1 (en) | Drilling device and automatic rod feeding method thereof | |
| CN104389535A (en) | Drill rod automatic treatment device | |
| CN104632085A (en) | Derrick lifting holding pole for oil well and lifting method | |
| CN111533007A (en) | Jacking pipe lifting and conveying device for building construction and working method thereof | |
| JP2011231474A (en) | Scaffold device and installing/moving method of the same | |
| JP2006044807A (en) | Lifting magnet type suspender and carrying crane | |
| CN201849383U (en) | Pipe transporting machine for transporting pipeline with adoption of chassis of bulldozer | |
| KR101740279B1 (en) | A riser Yoke for pipeline with gripper | |
| JP2007231560A (en) | Equipment and method for conveying segment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170228 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Applicant after: China National Petroleum Corporation Applicant after: China Petroleum Pipeline Bureau Engineering Co., Ltd. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Applicant before: China National Petroleum Corporation Applicant before: China Petroleum and Natural Gas Pipeline Bureau |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |