CN110860868A - Drill collar dismounting device for rotary guide system - Google Patents
Drill collar dismounting device for rotary guide system Download PDFInfo
- Publication number
- CN110860868A CN110860868A CN201810981179.1A CN201810981179A CN110860868A CN 110860868 A CN110860868 A CN 110860868A CN 201810981179 A CN201810981179 A CN 201810981179A CN 110860868 A CN110860868 A CN 110860868A
- Authority
- CN
- China
- Prior art keywords
- drill collar
- vertical plate
- plate
- collar
- assembly
- 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.)
- Pending
Links
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention provides a drill collar dismounting device for a rotary guide system, which comprises a base, a linear slide rail, a first movable vertical plate, a second movable vertical plate, a ball screw assembly, a driving device, a vertical plate connecting piece and at least two drill collar supporting frames, wherein the linear slide rail is arranged on the base; the drill collar assembly comprises a base, a first movable vertical plate, a second movable vertical plate, at least two drill collar support frames, a first drill collar support frame, a second drill collar support frame, a first vertical plate and a second vertical plate, wherein the linear slide rail is arranged on the base; the ball screw assembly is connected with the second movable vertical plate, and the end part of the second part of the drill collar is connected with the driving device through the ball screw assembly; the device can satisfy the assembly demand of drill collar.
Description
Technical Field
The invention relates to the technical field of assembly, in particular to a drill collar dismounting device for a rotary steering system.
Background
The drill collar of the rotary guide system adopts an insertion type structure, the matching precision of a sealing surface is high, the insertion depth is long, and the assembly requirement cannot be met by adopting a conventional assembly method.
Disclosure of Invention
The invention aims to solve the problem that the assembly mode in the prior art cannot meet the assembly requirement of a drill collar of a rotary steering system, and provides a drill collar assembling and disassembling device for the rotary steering system, which can meet the assembly requirement of the drill collar.
A drill collar dismounting device for a rotary guide system comprises a base, a linear slide rail, a first movable vertical plate, a second movable vertical plate, a ball screw assembly, a driving device, a vertical plate connecting piece and at least two drill collar supporting frames;
the linear slide rail is arranged on the base, the first movable vertical plate and the second movable vertical plate are respectively arranged at two ends of the base and can move and be fixed on the base, the at least two drill collar support frames are arranged on the linear slide rail and can slide along the linear slide rail, a first part of drill collar and a second part of drill collar to be disassembled or assembled are respectively arranged on the at least two drill collar support frames, and the drill collar support frames are also used for adjusting the first part of drill collar and the second part of drill collar in the Y direction and the Z direction;
the first part of drill collar is connected with the first movable vertical plate through the vertical plate connecting piece;
the ball screw assembly is connected with the second movable vertical plate, and the end part of the second part of the drill collar is connected with the driving device through the ball screw assembly;
the driving device is used for driving the second part of drill collar to move so as to realize the disassembly and assembly with the first part of drill collar.
Further, the number of the drill collar supports is four.
Furthermore, the drill collar support frame comprises a support plate, a sliding block, a Z-direction adjusting mechanism, a Y-direction adjusting mechanism and a roller mechanism;
the slider is installed in the lower surface of backup pad, Y direction adjustment mechanism install in the upper surface of backup pad, Z direction adjustment mechanism with Y direction adjustment mechanism cooperation is connected, gyro wheel mechanism with Z direction adjustment mechanism fixed connection.
Further, the Y-direction adjustment mechanism includes: the Y-direction guide sliding rail is arranged on the supporting plate;
the lower surface of the Y-direction moving plate is provided with a Y-direction guide groove, the Y-direction guide groove is in sliding connection with a Y-direction guide sliding rail, the Y-direction moving plate is connected with a Y-direction driving device through a screw rod mechanism, and the Y-direction driving device is used for driving the Y-direction moving plate to move in the Y direction.
Further, the Z-direction adjustment mechanism includes: the Z-direction movable plate is connected with the Y-direction movable plate through the vertical telescopic rod, the hydraulic cylinder is arranged between the Y-direction movable plate and the Z-direction movable plate, and the hydraulic cylinder is used for driving the Z-direction movable plate to move in the Z direction.
Further, the roller mechanism comprises a roller, a mounting plate and a rotating shaft, the mounting plate is fixed on the Z-direction moving plate, and the roller is mounted on the mounting plate through the rotating shaft.
Furthermore, the ball screw assembly comprises a ball screw, a screw nut, a ball bearing and a connecting bearing, the screw nut is fixed on the movable vertical plate, the ball screw is connected with the screw nut in a matching manner, the ball bearing is installed in the screw nut, one end of the ball screw is connected with the driving device through the connecting bearing, and the other end of the ball screw is connected with the end part of the second part of the drill collar.
Further, the drill collar dismounting device also comprises a torque limiting device;
the moment limiting device is arranged at the end part of the second part of the drill collar and is connected with the ball screw in a matching mode.
Further, the torque limiting device is a friction type torque limiter.
Further, the driving device is a stepping motor.
The drill collar dismounting device for the rotary steering system, provided by the invention, has the advantages of simple structure, high reliability and low production cost, the coaxiality of two parts of drill collars can be adjusted in the assembling process, the assembling precision is ensured, the movable vertical plates on the two sides can be moved and fixed on the base, the device is suitable for insertion type drill collar instruments with different lengths, the drill collars and the cantilever structures can be effectively protected under the condition of moment overload, and the assembling and disassembling requirements of the drill collars of the rotary steering system are met.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a drill collar mounting and dismounting device for a rotary steering system according to the present invention.
Fig. 2 and fig. 3 are schematic structural diagrams of an embodiment of a drill collar support frame in the drill collar dismounting device for a rotary steering system provided by the invention.
FIG. 4 is a schematic view of the assembly of the ball screw assembly in the drill collar mounting and dismounting device for a rotary steering system according to the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the present embodiment provides a drill collar dismounting device for a rotary steering system, which includes a base 1, a linear slide rail 2, a first movable vertical plate 3, a second movable vertical plate 4, a ball screw assembly, a driving device 5, a vertical plate connecting member 6, and at least two drill collar supporting frames 7;
the linear slide rail 2 is arranged on the base 1, the first movable vertical plate 3 and the second movable vertical plate 4 are respectively arranged at two ends of the base 1 and can move and be fixed on the base 1, the at least two drill collar supports 7 are arranged on the linear slide rail 2 and can slide along the linear slide rail 2, the first part of drill collar 100 and the second part of drill collar 200 to be disassembled or assembled are respectively arranged on the at least two drill collar supports 7, and the drill collar supports 7 are also used for adjusting the first part of drill collar 100 and the second part of drill collar 200 in the Y direction and the Z direction;
the first part of the drill collar 100 is connected with a first movable vertical plate 3 through a vertical plate connecting piece 6;
the ball screw assembly is connected with the second movable vertical plate 4, and the end part of the second part of the drill collar 200 is connected with the driving device 5 through the ball screw assembly;
the driving device 5 is used for driving the second part of the drill collar 200 to move, so that the first part of the drill collar can be disassembled and assembled.
Specifically, in this embodiment, the sliding direction of the drill collar support frame 7 on the linear slide rail is the length direction of the first drill collar 100 and the second drill collar 200, that is, the X direction, the Z direction is a vertical direction, and the Y direction is a direction perpendicular to the X direction and the Y direction.
The drill collar dismounting device provided by the embodiment is suitable for plug-in assembling and dismounting of the long cantilever structure drill collar in the rotary steering system.
Wherein, the second part of the drill collar 200 is a long cantilever plug-in structure.
According to the length of the first drill collar 100 and the length of the second drill collar 200, a distance between the first movable vertical plate 3 and the second movable vertical plate 4 is set, the first movable vertical plate 3 and the second movable vertical plate 4 can be fixed and moved on the base 1, as a preferred embodiment, a plurality of screw holes can be set on the base 1, and after the distance between the first movable vertical plate 3 and the second movable vertical plate 4 is set, the first movable vertical plate 3 and the second movable vertical plate 4 are fixed on the base 1 through bolts.
Respectively installing a first part of drill collar 100 and a second part of drill collar 200 to be disassembled or assembled on two drill collar support frames 7, wherein the end part of the first part of drill collar 100 is fixedly connected with a first movable vertical plate through a vertical plate connecting piece 6; the ball screw assembly is connected with the second movable vertical plate 4, the end part of the second part of the drill collar 200 is connected with the driving device 5 through the ball screw assembly, and the first part of the drill collar 100 and the second part of the drill collar 200 are adjusted in the Y direction and the Z direction through the drill collar support frame 7 so as to adjust the coaxiality of the first part of the drill collar 100 and the second part of the drill collar 200.
After the coaxiality of the first part of the drill collar 100 and the second part of the drill collar 200 is adjusted, the driving device drives the second part of the drill collar 200 to move towards the first part of the drill collar 100, so that the first part of the drill collar 100 and the second part of the drill collar 200 are assembled, or the driving device drives the second part of the drill collar 200 to move towards the direction far away from the first part of the drill collar 100, so that the first part of the drill collar 100 and the second part of the drill collar 200 are disassembled.
In a preferred embodiment, the number of the drill collar supports 7 is four, two of the drill collar supports are used for supporting the first part of the drill collar 100, and the other two drill collar supports are used for supporting the second part of the drill collar.
Further, referring to fig. 2 and 3, the drill collar support frame 7 includes a support plate 71, a slider 72, a Z-direction adjustment mechanism, a Y-direction adjustment mechanism, and a roller mechanism;
the slider 72 is mounted on the lower surface of the supporting plate 71, the Y-direction adjusting mechanism is mounted on the upper surface of the supporting plate 71, the Z-direction adjusting mechanism is connected with the Y-direction adjusting mechanism in a matching manner, and the roller mechanism is fixedly connected with the Z-direction adjusting mechanism.
Further, the Y-direction adjustment mechanism includes: a Y-direction moving plate 73, a screw mechanism (not shown), and a Y-direction driving device (not shown), and a Y-direction guide rail (not shown) is provided on the support plate 71;
the lower surface of the Y-direction moving plate 73 is provided with a Y-direction guide groove (not shown), the Y-direction guide groove is slidably connected with a Y-direction guide rail, the Y-direction moving plate 73 is connected with a Y-direction driving device through a screw mechanism, and the Y-direction driving device is used for driving the Y-direction moving plate 73 to move in the Y direction.
Further, the Y-direction moving plate 73 may be guided by another guide mechanism.
In a preferred embodiment, the Y-direction driving device is a stepping motor, and drives the Y-direction moving plate 73 to move through the transmission of a screw mechanism.
Further, the Z-direction adjustment mechanism includes: the Z-direction moving plate 74 is connected to the Y-direction moving plate 73 through a vertical telescopic rod 75, and a hydraulic cylinder (not shown) for driving the Z-direction moving plate 74 to move in the Z-direction is disposed between the Y-direction moving plate 73 and the Z-direction moving plate 74, and the vertical telescopic rod 75.
The Y-direction driving device is controlled to drive the Y-direction moving plate 73 to move, so that Y-direction adjustment of the first part of the drill collar 100 and the second part of the drill collar 200 can be realized, the hydraulic cylinder is controlled to drive the Z-direction moving plate 74 to move in the Z direction, so that Z-direction adjustment of the first part of the drill collar 100 and the second part of the drill collar 200 can be realized, and the coaxiality of the first part of the drill collar 100 and the second part of the drill collar 200 can be adjusted.
Further, the roller mechanism includes a roller 76, a mounting plate 77, and a rotating shaft, the mounting plate 77 is fixed to the Z-direction moving plate 74, and the roller 76 is mounted on the mounting plate 77 through the rotating shaft. The first drill collar 100 and the second drill collar 200 are mounted on a roller mechanism, the central axis of the first drill collar 100 is parallel to the central axis of the roller 76, the central axis of the second drill collar 200 is parallel to the central axis of the roller 76, and the first drill collar 100 and the second drill collar 200 can roll on the roller.
Further, referring to fig. 4, the ball screw assembly includes a ball screw 81, a screw nut 82, a ball bearing and a connecting bearing 83, the screw nut 82 is fixed on the second movable vertical plate 4, the ball screw 81 is connected with the screw nut 82 in a matching manner, the ball bearing is installed in the screw nut 82, one end of the ball screw 81 is connected with the driving device 5 through the connecting bearing 83, and the other end of the ball screw 81 is connected with the end of the second drill collar 200.
The torque provided by the driving device 5 is converted into a torque for driving the second drill collar portion 200 through the transmission of the ball screw assembly, and the second drill collar portion 200 is driven to move forward or backward.
Further, the drill collar mounting and dismounting device provided by the embodiment further comprises a torque limiting device 9;
the moment limiting device 9 is arranged at the end part of the second part drill collar 200 and is in fit connection with the ball screw 81.
Under the condition of moment overload, the moment limiting device 9 can enable the ball screw to be separated from the second part of the drill collar 200, and damage to the drill collar and the cantilever structure is avoided.
As a preferred embodiment, the torque limiting means 9 is a friction torque limiter.
In a preferred embodiment, the drive means 5 is a stepper motor.
The embodiment provides a drill collar dismounting device for a rotary steering system, which has the advantages of simple structure, high reliability and low production cost, can adjust the coaxiality of two parts of drill collars in the assembling process, ensures the assembling precision, can move and fix the movable vertical plates on the two sides on the base, is suitable for plug-in drill collar instruments with different lengths, can effectively protect the drill collars and a cantilever structure under the condition of moment overload, and meets the assembling and disassembling requirements of the drill collars of the rotary steering system.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. A drill collar dismounting device for a rotary guide system is characterized by comprising a base, a linear slide rail, a first movable vertical plate, a second movable vertical plate, a ball screw assembly, a driving device, a vertical plate connecting piece and at least two drill collar supporting frames;
the linear slide rail is arranged on the base, the first movable vertical plate and the second movable vertical plate are respectively arranged at two ends of the base and can move and be fixed on the base, the at least two drill collar support frames are arranged on the linear slide rail and can slide along the linear slide rail, a first part of drill collar and a second part of drill collar to be disassembled or assembled are respectively arranged on the at least two drill collar support frames, and the drill collar support frames are also used for adjusting the first part of drill collar and the second part of drill collar in the Y direction and the Z direction;
the first part of drill collar is connected with the first movable vertical plate through the vertical plate connecting piece;
the ball screw assembly is connected with the second movable vertical plate, and the end part of the second part of the drill collar is connected with the driving device through the ball screw assembly;
the driving device is used for driving the second part of drill collar to move so as to realize the disassembly and assembly with the first part of drill collar.
2. A collar mounting and dismounting device for a rotary steerable system as recited in claim 1, wherein the number of said collar supports is four.
3. A drill collar mounting and dismounting device for a rotary steering system as claimed in claim 1 or 2, wherein said drill collar support frame includes a support plate, a slider, a Z-direction adjustment mechanism, a Y-direction adjustment mechanism, and a roller mechanism;
the slider is installed in the lower surface of backup pad, Y direction adjustment mechanism install in the upper surface of backup pad, Z direction adjustment mechanism with Y direction adjustment mechanism cooperation is connected, gyro wheel mechanism with Z direction adjustment mechanism fixed connection.
4. A collar assembly and disassembly apparatus for a rotary steerable system as in claim 3, wherein the Y-direction adjustment mechanism comprises: the Y-direction guide sliding rail is arranged on the supporting plate;
the lower surface of the Y-direction moving plate is provided with a Y-direction guide groove, the Y-direction guide groove is in sliding connection with a Y-direction guide sliding rail, the Y-direction moving plate is connected with a Y-direction driving device through a screw rod mechanism, and the Y-direction driving device is used for driving the Y-direction moving plate to move in the Y direction.
5. A collar assembly and disassembly apparatus for a rotary steerable system as in claim 4, wherein the Z-direction adjustment mechanism comprises: the Z-direction movable plate is connected with the Y-direction movable plate through the vertical telescopic rod, the hydraulic cylinder is arranged between the Y-direction movable plate and the Z-direction movable plate, and the hydraulic cylinder is used for driving the Z-direction movable plate to move in the Z direction.
6. A collar assembly and disassembly apparatus for a rotary steerable system as in claim 5, wherein the roller mechanism comprises a roller, a mounting plate fixed to the Z-direction moving plate, and a shaft by which the roller is mounted on the mounting plate.
7. The apparatus as claimed in claim 1, wherein the ball screw assembly comprises a ball screw, a screw nut fixed on the movable vertical plate, a ball bearing engaged with the screw nut, and a connecting bearing, the ball bearing is mounted in the screw nut, one end of the ball screw is connected to the driving device through the connecting bearing, and the other end of the ball screw is connected to the end of the second drill collar.
8. A collar assembly and disassembly device for a rotary steerable system as in claim 1, further comprising a torque limiting device;
the moment limiting device is arranged at the end part of the second part of the drill collar and is connected with the ball screw in a matching mode.
9. A collar assembly and disassembly device for a rotary steerable system as in claim 1, wherein the torque limiting device is a friction torque limiter.
10. A collar assembly and disassembly device for a rotary steerable system as in claim 1, wherein the drive device is a stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810981179.1A CN110860868A (en) | 2018-08-27 | 2018-08-27 | Drill collar dismounting device for rotary guide system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810981179.1A CN110860868A (en) | 2018-08-27 | 2018-08-27 | Drill collar dismounting device for rotary guide system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110860868A true CN110860868A (en) | 2020-03-06 |
Family
ID=69651293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810981179.1A Pending CN110860868A (en) | 2018-08-27 | 2018-08-27 | Drill collar dismounting device for rotary guide system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110860868A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114102084A (en) * | 2021-12-01 | 2022-03-01 | 江苏丰尚智能科技有限公司 | Follow-up quick-change device |
| CN115213652A (en) * | 2022-07-18 | 2022-10-21 | 江苏丰尚智能科技有限公司 | Puffing cavity quick-changing device, puffing machine and puffing cavity quick-changing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0327661A1 (en) * | 1988-02-11 | 1989-08-16 | Donnie Williams Tool Company | Tool for aiding the fitting of a drill stabilizer to a drill collar |
| CN1743953A (en) * | 2005-09-30 | 2006-03-08 | 杭州科讯印刷设备有限公司 | Thermosensitive laser sculpturing machine and its sculpturing method |
| CN203679669U (en) * | 2013-12-31 | 2014-07-02 | 中国海洋石油总公司 | Tool cart |
| CN105772746A (en) * | 2016-03-30 | 2016-07-20 | 四川信息职业技术学院 | Drill collar outer circle machining machine tool set |
| CN205477448U (en) * | 2016-01-26 | 2016-08-17 | 中国海洋石油总公司 | Drill collar part dismouting device |
| CN206328308U (en) * | 2016-12-29 | 2017-07-14 | 江苏法尔胜光子有限公司 | Drawing optical fibers electrical clip rod clamp |
-
2018
- 2018-08-27 CN CN201810981179.1A patent/CN110860868A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0327661A1 (en) * | 1988-02-11 | 1989-08-16 | Donnie Williams Tool Company | Tool for aiding the fitting of a drill stabilizer to a drill collar |
| CN1743953A (en) * | 2005-09-30 | 2006-03-08 | 杭州科讯印刷设备有限公司 | Thermosensitive laser sculpturing machine and its sculpturing method |
| CN203679669U (en) * | 2013-12-31 | 2014-07-02 | 中国海洋石油总公司 | Tool cart |
| CN205477448U (en) * | 2016-01-26 | 2016-08-17 | 中国海洋石油总公司 | Drill collar part dismouting device |
| CN105772746A (en) * | 2016-03-30 | 2016-07-20 | 四川信息职业技术学院 | Drill collar outer circle machining machine tool set |
| CN206328308U (en) * | 2016-12-29 | 2017-07-14 | 江苏法尔胜光子有限公司 | Drawing optical fibers electrical clip rod clamp |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114102084A (en) * | 2021-12-01 | 2022-03-01 | 江苏丰尚智能科技有限公司 | Follow-up quick-change device |
| CN115213652A (en) * | 2022-07-18 | 2022-10-21 | 江苏丰尚智能科技有限公司 | Puffing cavity quick-changing device, puffing machine and puffing cavity quick-changing method |
| CN115213652B (en) * | 2022-07-18 | 2024-01-02 | 江苏丰尚智能科技有限公司 | Quick-changing device for puffing cavity, puffing machine and quick-changing method for puffing cavity |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103010689B (en) | Linear moving device | |
| CN110860868A (en) | Drill collar dismounting device for rotary guide system | |
| CN103406744B (en) | A kind of bearing Mounting device | |
| US11872661B2 (en) | Disassembling device | |
| CN109262242B (en) | Bearing press-fitting equipment and steering gear production system | |
| CN112525473A (en) | Wind tunnel variable attack angle device driven by screw pair and suitable for special temperature environment | |
| CN201293079Y (en) | Fixed form friction drive device | |
| CN101168232A (en) | Apparatus for preventing displacement of retainer | |
| CN116038662A (en) | Driving device of rope-driven super-redundant mechanical arm | |
| CN111390546A (en) | Three-degree-of-freedom fastening device | |
| CN216356327U (en) | Coaxial connection structure of servo motor control system | |
| CN109262241B (en) | Bearing press-fitting equipment and steering gear production system | |
| CN108723756B (en) | Production device of coupler | |
| CN114390175A (en) | Deflection type industrial television for float glass tin bath | |
| CN109532212B (en) | Printing roller structure of sleeve flexographic printing machine | |
| CN202463138U (en) | Positioning seat of charge coupled device (CCD) vision system | |
| CN114952265B (en) | Automatic locking equipment | |
| CN220067154U (en) | Motor rotor shaft installation positioning device | |
| CN103072921A (en) | Cylinder-type automatic lifting device | |
| CN219488747U (en) | Synchronous centering mechanism | |
| CN215092028U (en) | Sleeve machining center frame | |
| CN107542783A (en) | A kind of bearing roller press fitting fixing tool | |
| CN210160747U (en) | Lead screw is to drawing slip table module | |
| CN221675385U (en) | Pump shaft straightening device | |
| CN114738551B (en) | Variable-diameter self-locking type pipe pushing jack machine head supporting structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201126 Address after: 100070 Beijing city Fengtai District Haiying Road No. 1 Building No. 2 hospital 3 Applicant after: AEROSPACE SCIENCE AND INDUSTRY INERTIAL TECHNOLOGY Co.,Ltd. Applicant after: CHINA NATIONAL PETROLEUM Corp. Applicant after: CNPC CHUANQING DRILLING ENGINEERING Co.,Ltd. Address before: 100074 Beijing city Fengtai District Haiying Road No. 1 Building No. 2 hospital 3 Applicant before: AEROSPACE SCIENCE AND INDUSTRY INERTIAL TECHNOLOGY Co.,Ltd. Applicant before: DRILLING & PRODUCTION ENGINEERING TECHNOLOGY RESEARCH INSTITUTE OF CNPC CHUANQING DRILLING EXPLORATION Co. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200306 |