CN110814692A - Multi-degree-of-freedom docking tool for engine separation test and assembling method - Google Patents
Multi-degree-of-freedom docking tool for engine separation test and assembling method Download PDFInfo
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- CN110814692A CN110814692A CN201911197216.0A CN201911197216A CN110814692A CN 110814692 A CN110814692 A CN 110814692A CN 201911197216 A CN201911197216 A CN 201911197216A CN 110814692 A CN110814692 A CN 110814692A
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- height
- butt joint
- arc seat
- adjusting
- joint platform
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0082—Mounting of engine casings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Testing Of Engines (AREA)
Abstract
The invention provides a multi-degree-of-freedom docking tool for an engine separation test and an assembling method, wherein the tool comprises a docking platform, a height and rotation adjusting arc seat unit and an axial and transverse adjusting arc seat unit, and the height movement, the rolling angle and the pitching angle adjustment of one end of a docked product are realized through the height and rotation adjusting arc seat unit; the axial movement, the transverse movement and the yaw angle adjustment of the other end of the butt joint product are realized through the axial and transverse adjusting arc seat units. The rolling bearing and the double-rolling linear guide rail structure are adopted to realize the manual continuous adjustment of the butt joint of the heavy component products; and the rubber roller and the arc seat felt are adopted to support and protect the engine test part. The invention is simple and convenient to adjust, has reliable performance, and accurately and conveniently realizes the general assembly and parking requirements of the engine separation test by using the multi-degree-of-freedom butt joint tool.
Description
Technical Field
The invention relates to the technical field of multi-stage engine separation tests, in particular to a multi-degree-of-freedom butt joint tool for an engine separation test and an assembling method.
Background
The test product of the engine separation test consists of a primary engine, a stage section, a secondary tail section, a secondary engine, related electrical products and initiating explosive devices. The test mainly examines the working performance of a test piece consisting of a stage section and a secondary tail section in the separation process and obtains the separation attitude, so that the test piece with the separation structure needs to be firstly installed and arranged with test instruments such as a sensor, a target line and the like, and then is installed with a primary engine and a secondary engine in a front-back butt joint mode.
In the separation test, the first-stage engine and the second-stage engine are simplified according to the mass characteristics of the first-stage engine and the second-stage engine, corresponding structural counterweights are designed, and the test is carried out after the first-stage engine and the second-stage engine are assembled with a separation test piece. Therefore, in the engine separation test, a special butt joint platform needs to be designed for butt joint installation of the test piece of the stage section and the secondary tail section and final assembly of the test piece with the first-stage counterweight and the second-stage projectile counterweight.
In the conventional butt joint platform, one part of a product is arranged at a fixed end, the other part of the product is arranged on a six-degree-of-freedom adjusting tool, the product at the fixed end is fixed, and the six-degree-of-freedom adjusting tool is adjusted to butt joint the two parts of the product. The butt joint tool in the mode has a complex structure and high labor and time cost. In order to better meet the test requirements and reduce the test cost, a set of docking platform for separation test assembly needs to be developed, and the docking platform has the characteristics of simplicity in operation, rapidness, convenience, multi-degree-of-freedom adjustment and the like.
Disclosure of Invention
When assembling a product in an engine separation test, the final assembly of the product and a counterweight needs to be completed, and the separation protection of a test piece is realized. Because the product and the balance weight are heavy, and the requirement on the butting precision of the product is high, a special butting platform needs to be designed to finish the final assembly of the test piece. Meanwhile, the docking platform needs to meet the following requirements of adjustable freedom degree: axial motion freedom, altitude motion freedom, lateral motion freedom, roll angle, yaw angle, and pitch angle.
Therefore, the invention provides a multi-degree-of-freedom docking tool for an engine separation test and an assembling method.
The height and rotation adjusting arc seat unit and the axial and transverse adjusting arc seat unit are arranged on the butt joint platform along the length direction of the butt joint platform, wherein the axial and transverse adjusting arc seat unit is arranged on a rolling linear guide rail on the butt joint platform along the length direction and can move along the rolling linear guide rail;
the height and rotation adjusting arc seat unit comprises a plurality of groups of height and rotation adjusting arc seats, the height and rotation adjusting arc seats are provided with height adjusting worm gear structures, the top of each height adjusting worm gear structure is connected with a rolling adjusting structure in a double-roller mode, and the height adjusting worm gear structures and the rolling adjusting structures can move in the width direction of the butt joint platform;
the height of the plurality of groups of the height adjusting worm and gear structures in the rotary adjusting arc seat can be adjusted in a height moving freedom degree mode through equal height adjustment, the pitching angle adjustment can be realized through unequal height adjustment, the rolling angle adjustment can be realized through the rolling adjusting structure, and the double-roller spacing adjustment in the rolling adjusting structure can be adapted to butt joint parts with different diameters;
the axial and transverse adjusting arc seat unit comprises a plurality of groups of V-shaped supporting seats, and the bottoms of the V-shaped supporting seats are provided with sliding rails along the width direction of the butt-joint platform and can move along the sliding rails in the width direction of the butt-joint platform;
the multiple groups of V-shaped supporting seats realize the adjustment of the degree of freedom of lateral movement along the width direction of the butt-joint platform by equal displacement adjustment, the adjustment of the yaw angle is realized by unequal displacement adjustment, and the multiple groups of V-shaped supporting seats realize the adjustment of the degree of freedom of axial movement along the length direction of the butt-joint platform.
Furthermore, the butt joint platform is formed by welding profile steels, the upper surface of the butt joint platform is processed to meet the installation flatness requirement of the rolling linear guide rail, two rows of inner screw holes with parallelism meeting the requirement are processed on the upper surface of the butt joint platform, and the rolling linear guide rail along the length direction of the butt joint platform is installed at the butt joint platform part for installing the axial and transverse adjusting arc seat units.
Further, the height and rotation adjusting arc seat comprises a bottom plate, a height adjusting worm and gear structure, a linear sleeve, an upper mounting plate and a rolling adjusting structure; the bottom plate is fixedly arranged on the butt joint platform along the width direction of the butt joint platform, a strip-shaped hole along the width direction of the butt joint platform is formed in the bottom plate, the height adjusting worm gear structure is arranged in the strip-shaped hole of the bottom plate, and the installation position of the height adjusting worm gear structure can move along the strip-shaped hole; the two linear sleeves are fixedly arranged on the outer sides of the two ends of the strip-shaped hole of the bottom plate; the upper mounting plate is fixed on the height adjusting worm and gear structure and the top of the linear sleeve, and a strip-shaped hole along the width direction of the butt joint platform is also formed in the upper mounting plate; the rolling adjusting structure is arranged in a strip-shaped hole of the upper mounting plate, and the mounting positions of the double rollers in the rolling adjusting structure can move in the same direction or in the opposite direction along the strip-shaped hole.
Furthermore, the multiple groups of V-shaped supporting seats in the axial and transverse adjusting arc seat units are multiple groups of V-shaped supporting seats with different opening heights; the opening height of the V-shaped supporting seat is matched with the diameter of the corresponding part in a secondary counterweight member.
The scheme for assembling by using the tool comprises the following steps:
step 1: placing a test piece consisting of an engine stage section and a secondary tail section on a V-shaped supporting seat at one side of the axial and transverse adjusting arc seat unit close to the height and rotary adjusting arc seat unit, and fixing the test piece by using an arc cover plate; placing the secondary projectile body counterweight on a rolling adjusting structure in the height and rotation adjusting arc seat unit;
step 2: the height of the secondary projectile body counterweight part is adjusted by utilizing the height and rotation adjusting arc seat unit, so that the center lines of the secondary projectile body counterweight part and the test piece are on the same horizontal plane; then, the height and rotation adjusting arc seat unit is used for rotating the secondary projectile body counterweight part to enable the end face connecting hole to be radially aligned with the test piece connecting hole; axially and transversely moving a V-shaped supporting seat for placing a test piece to completely align a secondary projectile body counterweight piece and the test piece, then fixedly connecting the secondary projectile body counterweight piece and the test piece by using a standard piece, and then removing an arc-shaped cover plate on the test piece;
and step 3: the height and rotation adjusting arc seat unit is used for lifting the secondary projectile body counterweight part and the test piece assembly; then, the V-shaped supporting seat for supporting the test piece is axially opened;
and 4, step 4: placing a secondary weight on the axial and transverse adjusting arc seat unit; according to the height of the first-level counterweight, the height and rotation adjusting arc seat unit is used for adjusting the height and rotation angle of the second-level projectile counterweight and the test piece assembly, so that the height of the assembly is consistent with the height of the first-level counterweight, and the connecting aperture is aligned; and then, axially and transversely moving a secondary weight to completely align the secondary weight with the combined body, and fixedly connecting the secondary weight with the combined body by using a standard component to finish assembly.
Furthermore, felts are adhered to the inner sides of the V-shaped supporting seat and the arc-shaped cover plate in the step 1.
Advantageous effects
The invention has the following effects:
the invention is simple and convenient to adjust, has reliable performance, and accurately and conveniently realizes the general assembly and parking requirements of the engine separation test by using the multi-degree-of-freedom butt joint tool:
assembling the secondary projectile body counterweight part and the primary sublevel counterweight part in an interstage separation test, firstly butting a test product with the secondary projectile body counterweight part, and then connecting the butted product with the primary sublevel counterweight part.
Similar to the assembly process in the invention, the invention can also be used for a head-body separation test, and the assembly of the test piece, the verifier counterweight and the secondary counterweight of the head-body separation test is completed: firstly, the test product is butted with the counterweight of the verifier, and then the butted assembly is connected with the secondary counterweight.
By using the assembling method, the test product and the counterweight can be accurately butted, and the smooth test is ensured. The butt joint platform adopts a universal design, partial arc seats are convenient to replace by reserving the installation positions, the application range of the butt joint platform can be expanded, and the butt joint platform is suitable for butt joint assembly of engine test parts with different diameters.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of the general structure of the present invention;
FIG. 2 is a height and rotation adjustment arc base of the present invention;
FIG. 3 is an axial and lateral adjustment arc seat of the present invention patent;
FIG. 4 is a schematic view of the assembly of the test piece and secondary projectile weights of the present invention;
FIG. 5 is a schematic view of the inventive test piece assembled with a substage weight;
wherein: 1-height and rotation adjusting arc seat; 2-axial and transverse regulation of the arc seat.
Detailed Description
The following detailed description of embodiments of the invention is intended to be illustrative, and not to be construed as limiting the invention.
The embodiment is an assembly tool for an engine separation test. During assembly, the adjustable butt joint platform is adopted to realize butt joint installation of test pieces of all parts of the engine, and the test pieces are protected. According to design requirements and design basis, the butt joint tool can be considered in three parts, namely, two ends of the butt joint tool are used for supporting and fixing the balance weight parts, and the middle part of the butt joint tool is used for supporting and fixing the test piece. The axial and transverse movement and the height and rolling adjustment of the three parts are matched to complete the connection of the product and the counterweight.
As shown in fig. 1, the tool comprises a butt-joint platform, a height and rotation adjusting arc seat unit and an axial and transverse adjusting arc seat unit. The height and rotation adjusting arc seat unit and the axial and transverse adjusting arc seat unit are arranged on the butt joint platform along the length direction of the butt joint platform, wherein the axial and transverse adjusting arc seat unit is arranged on a rolling linear guide rail on the butt joint platform along the length direction and can move along the rolling linear guide rail.
The butt joint platform is formed by welding profile steels, the height of the butt joint platform enables the center height of a test piece to be approximately 1.2m, and the operation is comfortable during manual installation. And processing the upper surface of the butt joint platform to meet the flatness requirement of the installation of the rolling linear guide rail, processing two rows of inner screw holes with the parallelism meeting the requirement on the upper surface, and installing the rolling linear guide rail along the length direction of the butt joint platform at the butt joint platform part for installing the axial and transverse adjusting arc seat unit.
Height and rotation are adjusted arc seat unit and are placed some of butt joint product, and the main objective can adjust the lift height at the butt joint in-process to accomplish every single move and roll angle modulation through artifical rotation, as shown in fig. 2, including two sets of height and rotation adjustment arc seat, height and rotation adjustment arc seat have altitude mixture control worm gear structure, and the roll regulation structure of two rubber gyro wheel forms is connected at altitude mixture control worm gear structure top, and altitude mixture control worm gear structure and roll regulation structure homoenergetic remove at butt joint platform width direction.
The height adjustment such as the height adjustment worm gear structure in two sets of heights and the rotation regulation arc seat can realize that the high degree of freedom that removes is adjusted, and pitch angle regulation can be realized to the height adjustment of not waiting, and roll angle regulation can be realized to the roll regulation structure, and the butt joint part that adapts to different diameters can be realized to the double-roller interval adjustment in the roll regulation structure.
In this embodiment, the height and rotation adjusting arc seat comprises a bottom plate, a height adjusting worm and gear structure, a linear sleeve, an upper mounting plate and a rolling adjusting structure; the bottom plate is fixedly arranged on the butt joint platform along the width direction of the butt joint platform, a strip-shaped hole along the width direction of the butt joint platform is formed in the bottom plate, the height adjusting worm gear structure is arranged in the strip-shaped hole of the bottom plate, and the installation position of the height adjusting worm gear structure can move along the strip-shaped hole; the two linear sleeves are fixedly arranged on the outer sides of the two ends of the strip-shaped hole of the bottom plate; the upper mounting plate is fixed on the height adjusting worm and gear structure and the top of the linear sleeve, and a strip-shaped hole along the width direction of the butt joint platform is also formed in the upper mounting plate; the rolling adjusting structure is arranged in a strip-shaped hole of the upper mounting plate, and the mounting positions of the double rollers in the rolling adjusting structure can move in the same direction or in the opposite direction along the strip-shaped hole.
The axial and transverse adjusting arc seat unit is used for placing the other part of the butt joint product, and can perform transverse, axial and yaw angle adjustment in the butt joint process, as shown in figure 3. Comprises two groups of V-shaped supporting seats with different opening heights; the opening height of the V-shaped supporting seat is matched with the diameter of the corresponding part in a secondary counterweight member. The bottom of the V-shaped supporting seat is provided with a sliding rail along the width direction of the butt joint platform, and the V-shaped supporting seat can move along the sliding rail in the width direction of the butt joint platform;
the two groups of V-shaped supporting seats realize the adjustment of the degree of freedom of lateral movement along the width direction of the butt-joint platform by equal displacement adjustment, the adjustment of the yaw angle is realized by unequal displacement adjustment, and the adjustment of the degree of freedom of axial movement is realized by the movement of the two groups of V-shaped supporting seats along the length direction of the butt-joint platform.
The following description will be given of an assembly method of a docking platform when the docking platform is specifically applied to an interstage separation test, taking a docking process of a first-stage counterweight, a test piece and a second-stage projectile counterweight in the separation test as an example.
Step 1: the test piece composed of the engine stage section and the engine secondary tail section is placed on a V-shaped supporting seat which is arranged in the axial and transverse adjusting arc seat unit and close to one side of the height and rotation adjusting arc seat unit, and is fixed by an arc cover plate, and felts are adhered to the V-shaped supporting seat and the inner side of the arc cover plate, so that the test piece cannot be damaged; placing the secondary projectile body counterweight on a rolling adjusting structure in the height and rotation adjusting arc seat unit;
step 2: the height of the secondary projectile body counterweight part is adjusted by utilizing the height and rotation adjusting arc seat unit, so that the center lines of the secondary projectile body counterweight part and the test piece are on the same horizontal plane; then, the height and rotation adjusting arc seat unit is used for rotating the secondary projectile body counterweight part to enable the end face connecting hole to be radially aligned with the test piece connecting hole; moving the V-shaped support seat for placing the test piece axially and transversely to align the secondary projectile body balance weight part with the test piece completely, as shown in FIG. 4; then, fixedly connecting the secondary projectile body counterweight part and the test piece by using a standard part, and then removing an arc-shaped cover plate on the test piece;
and step 3: the height and rotation adjusting arc seat unit is used for lifting the secondary projectile body counterweight part and the test piece assembly; then, the V-shaped supporting seat for supporting the test piece is axially opened;
and 4, step 4: placing a secondary weight on the axial and transverse adjusting arc seat unit; according to the height of the first-level counterweight, the height and rotation adjusting arc seat unit is used for adjusting the height and rotation angle of the second-level projectile counterweight and the test piece assembly, so that the height of the assembly is consistent with the height of the first-level counterweight, and the connecting aperture is aligned; then, a secondary weight member is moved axially and transversely to align the secondary weight member with the combined body completely, and then a standard member is used to fixedly connect the secondary weight member with the combined body to complete the assembly, as shown in fig. 5
Similarly, in the head-body separation test, the connection and assembly of the test product, the verifier counterweight and the secondary counterweight can be realized by adjusting the butt joint tool.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (5)
1. The utility model provides a multi freedom butt joint frock for engine separation test which characterized in that: comprises a butt joint platform, a height and rotation adjusting arc seat unit and an axial and transverse adjusting arc seat unit;
the height and rotation adjusting arc seat unit and the axial and transverse adjusting arc seat unit are arranged on the butt joint platform along the length direction of the butt joint platform, wherein the axial and transverse adjusting arc seat unit is arranged on a rolling linear guide rail on the butt joint platform along the length direction and can move along the rolling linear guide rail;
the height and rotation adjusting arc seat unit comprises a plurality of groups of height and rotation adjusting arc seats, the height and rotation adjusting arc seats are provided with height adjusting worm gear structures, the top of each height adjusting worm gear structure is connected with a rolling adjusting structure in a double-roller mode, and the height adjusting worm gear structures and the rolling adjusting structures can move in the width direction of the butt joint platform;
the height of the plurality of groups of the height adjusting worm and gear structures in the rotary adjusting arc seat can be adjusted in a height moving freedom degree mode through equal height adjustment, the pitching angle adjustment can be realized through unequal height adjustment, the rolling angle adjustment can be realized through the rolling adjusting structure, and the double-roller spacing adjustment in the rolling adjusting structure can be adapted to butt joint parts with different diameters;
the axial and transverse adjusting arc seat unit comprises a plurality of groups of V-shaped supporting seats, and the bottoms of the V-shaped supporting seats are provided with sliding rails along the width direction of the butt-joint platform and can move along the sliding rails in the width direction of the butt-joint platform;
the multiple groups of V-shaped supporting seats realize the adjustment of the degree of freedom of lateral movement along the width direction of the butt-joint platform by equal displacement adjustment, the adjustment of the yaw angle is realized by unequal displacement adjustment, and the multiple groups of V-shaped supporting seats realize the adjustment of the degree of freedom of axial movement along the length direction of the butt-joint platform.
2. The multi-degree-of-freedom docking tool for the engine separation test according to claim 1, characterized in that: the butt joint platform is formed by welding profile steels, the upper surface of the butt joint platform is processed to meet the installation flatness requirement of the rolling linear guide rail, two rows of inner screw holes with parallelism meeting the requirement are processed on the upper surface of the butt joint platform, and the rolling linear guide rail along the length direction of the butt joint platform is installed at the butt joint platform part for installing the axial and transverse adjusting arc seat units.
3. The multi-degree-of-freedom docking tool for the engine separation test according to claim 1, characterized in that: the height and rotation adjusting arc seat comprises a bottom plate, a height adjusting worm and gear structure, a linear sleeve, an upper mounting plate and a rolling adjusting structure; the bottom plate is fixedly arranged on the butt joint platform along the width direction of the butt joint platform, a strip-shaped hole along the width direction of the butt joint platform is formed in the bottom plate, the height adjusting worm gear structure is arranged in the strip-shaped hole of the bottom plate, and the installation position of the height adjusting worm gear structure can move along the strip-shaped hole; the two linear sleeves are fixedly arranged on the outer sides of the two ends of the strip-shaped hole of the bottom plate; the upper mounting plate is fixed on the height adjusting worm and gear structure and the top of the linear sleeve, and a strip-shaped hole along the width direction of the butt joint platform is also formed in the upper mounting plate; the rolling adjusting structure is arranged in a strip-shaped hole of the upper mounting plate, and the mounting positions of the double rollers in the rolling adjusting structure can move in the same direction or in the opposite direction along the strip-shaped hole.
4. The multi-degree-of-freedom docking tool for the engine separation test according to claim 1, characterized in that: the multiple groups of V-shaped supporting seats in the axial and transverse adjusting arc seat units are multiple groups of V-shaped supporting seats with different opening heights; the opening height of the V-shaped supporting seat is matched with the diameter of the corresponding part in a secondary counterweight member.
5. The method for carrying out the engine separation test assembly by using the tool of claim 1, comprising the following steps of:
step 1: placing a test piece consisting of an engine stage section and a secondary tail section on a V-shaped supporting seat at one side of the axial and transverse adjusting arc seat unit close to the height and rotary adjusting arc seat unit, and fixing the test piece by using an arc cover plate; placing the secondary projectile body counterweight on a rolling adjusting structure in the height and rotation adjusting arc seat unit;
step 2: the height of the secondary projectile body counterweight part is adjusted by utilizing the height and rotation adjusting arc seat unit, so that the center lines of the secondary projectile body counterweight part and the test piece are on the same horizontal plane; then, the height and rotation adjusting arc seat unit is used for rotating the secondary projectile body counterweight part to enable the end face connecting hole to be radially aligned with the test piece connecting hole; axially and transversely moving a V-shaped supporting seat for placing a test piece to completely align a secondary projectile body counterweight piece and the test piece, then fixedly connecting the secondary projectile body counterweight piece and the test piece by using a standard piece, and then removing an arc-shaped cover plate on the test piece;
and step 3: the height and rotation adjusting arc seat unit is used for lifting the secondary projectile body counterweight part and the test piece assembly; then, the V-shaped supporting seat for supporting the test piece is axially opened;
and 4, step 4: placing a secondary weight on the axial and transverse adjusting arc seat unit; according to the height of the first-level counterweight, the height and rotation adjusting arc seat unit is used for adjusting the height and rotation angle of the second-level projectile counterweight and the test piece assembly, so that the height of the assembly is consistent with the height of the first-level counterweight, and the connecting aperture is aligned; and then, axially and transversely moving a secondary weight to completely align the secondary weight with the combined body, and fixedly connecting the secondary weight with the combined body by using a standard component to finish assembly.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112454223A (en) * | 2020-10-24 | 2021-03-09 | 湖南省鼎兴建筑建材有限公司 | Butt joint device for door and window manufacturing |
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CN103143878A (en) * | 2013-03-26 | 2013-06-12 | 宝鸡石油钢管有限责任公司 | Five-freedom adjustable pipeline butt joint tooling |
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JPS60145288A (en) * | 1984-01-07 | 1985-07-31 | Mitsubishi Heavy Ind Ltd | Assembling device for flange and pipe |
CN201841392U (en) * | 2010-11-13 | 2011-05-25 | 锦州义兴铁塔股份有限公司 | Automatic flange welding adjusting bracket |
CN103143878A (en) * | 2013-03-26 | 2013-06-12 | 宝鸡石油钢管有限责任公司 | Five-freedom adjustable pipeline butt joint tooling |
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Application publication date: 20200221 |