CN102642080B - Positioning device for girth welding of hemispherical structural part - Google Patents
Positioning device for girth welding of hemispherical structural part Download PDFInfo
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- CN102642080B CN102642080B CN2012101474824A CN201210147482A CN102642080B CN 102642080 B CN102642080 B CN 102642080B CN 2012101474824 A CN2012101474824 A CN 2012101474824A CN 201210147482 A CN201210147482 A CN 201210147482A CN 102642080 B CN102642080 B CN 102642080B
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- positioner
- push rod
- lifter plate
- girth welding
- guide holder
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Abstract
The invention relates to a positioning device for girth welding of a hemispherical structural part. The positioning device comprises a self-adaptive positioner, a reducing mechanism and a base frame, wherein a vertical lifting module is installed on a guiding shaft of the base frame, horizontal telescoping mechanisms arranged to be arc-shaped in space are circumferentially, uniformly distributed on an outer frame of a lifting plate, and the self-adaptive positioner is positioned at the front end of the horizontal telescoping mechanism and is connected through a hinge pin. According to the device, the radial position of the horizontal telescoping mechanism is adjusted through the lifting plate; the installation state of the self-adaptive positioner is automatically adjusted through the horizontal telescoping mechanism to meet the positioning requirement when the diameter of the hemispherical structural part is varied within a certain size range, and to solve the installation defect of manually adjusting the positioning device when the thin-wall aluminum alloy structural part has larger overall size, shape error and the like in the existing installation technology.
Description
Technical field
The present invention relates to large-scale hemispherical junction member friction stir welding and connect field, particularly relate to a kind of positioner for the girth welding of hemispherical junction member.
Background technology
Very extensive at the medium-and-large-sized thin-wall aluminum alloy component application of aerospace field.In existing production, the special fixture that is used for the welding of large thin-wall aluminum alloy junction member is nearly all tailored version, and namely a kind of model thin-wall aluminum alloy member is equipped with a cover special fixture.When structural member overall size, form error etc. were larger, the installation site of often taking manually to adjust setting element, made it with workpiece profile, contact and realize location.This method has not only reduced production efficiency, and adjusts place one's entire reliance upon operator's experience of precision, therefore causes the workpiece location often unreliable, has seriously restricted the production cycle of China's spaceflight delivering tool and guided missile series products.
Summary of the invention
The invention provides a kind of positioner and method for the girth welding of hemispherical junction member, to solve in existing mounting technique, manually adjust the defective mounting of positioner when realizing that large thin-wall aluminum alloy junction member overall size, form error etc. are larger.
The technical solution adopted for the present invention to solve the technical problems is: a kind of positioner for the girth welding of hemispherical junction member is provided, comprise adaptive location device, diameter changing mechanism and pedestal, described pedestal comprises guide holder, lower guide holder, column, lining and the axis of guide, one end of described column is arranged on lower guide holder, and the other end is equipped with described upper guide holder; Described bush fitting in upper guide holder and lower guide holder, and forms two supportings, and the described axis of guide is arranged in two supportings; Described diameter changing mechanism comprises vertical lifting module and horizontal extension module; Described vertical lifting module comprises double-acting cylinder, connecting plate and lifter plate, and described connecting plate is fixed tightly in by double nut on the output shaft of double-acting cylinder, and described lifter plate is positioned on connecting plate, and by pin, screw and connecting plate, fixes; Described lifter plate is sleeved on the described axis of guide; Described horizontal extension module is by a plurality of horizontal extension cell formations; Described horizontal extension unit comprises upper branching holder, push rod, pushing block, lower bearing support and locking spring, and described pushing block is fixed on the rear end of push rod; Described push rod is arranged in the support holes of upper branching holder and lower bearing support composition; The front end of described push rod is fixed with described adaptive location device; In the annular space of described locking spring between support holes and the push rod shaft shoulder, and be in pressured state; Described lower bearing support is distributed on the installation base surface of described lower guide holder; The housing face of described lifter plate is inclined wedge-shaped, and is shaped with T-slot on the housing face; The T-shaped boss-shaped in the end of described pushing block; Described pushing block is embedded in the T-slot of described lifter plate housing face.
Described adaptive location device comprises keeper and bearing pin, and described keeper is concave shape, and there are two round boss end.
Be distributed with four gathering sills on described axis of guide excircle, interior retainer, outer retainer and several steel balls are installed in described gathering sill, described steel ball is isolated by interior retainer and outer retainer.
The stepped structure of described push rod; Described support holes is shoulder hole.
The end of described push rod front end is shaped with the yi word pattern breach, and circumferencial direction is shaped with a through hole, and described setting element is arranged on the front end of push rod by bearing pin.
The horizontal cross-section of described lifter plate is octagon.
Described horizontal extension module is by eight horizontal extension cell formations; Described horizontal extension unit is distributed on the installation base surface of described lower guide holder by described lower bearing support.
Between described lower guide holder and lifter plate, locking spring is housed, described locking spring is evenly equipped with eight along the circumferencial direction of described lifter plate; Described locking spring is in tension state.
Beneficial effect
Owing to having adopted above-mentioned technical scheme, the present invention compared with prior art, has following advantage and good effect: the present invention realizes the radial position adjustment of horizontal extension mechanism by the vertical lifting module; Automatically adjust the Installation posture of adaptive location device by horizontal extension mechanism, location requirement while to adapt to hemispherical junction member diameter, changing in the certain size scope, manually adjust the defective mounting of positioner to solve in existing mounting technique when realizing that large thin-wall aluminum alloy junction member overall size, form error etc. are larger.
Description of drawings
Fig. 1 is profile schematic diagram of the present invention;
Fig. 2 is principal section figure of the present invention;
Fig. 3 be in Fig. 2 A to partial enlarged drawing;
Fig. 4 is the partial enlarged drawing of adaptive location device in the present invention.
The specific embodiment
, below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only are not used in and limit the scope of the invention for explanation the present invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
As shown in Figure 1, a kind of positioner for the girth welding of hemispherical junction member, comprise adaptive location device 10, diameter changing mechanism 20 and pedestal 30.
As shown in Figure 2 and Figure 4, adaptive location device 10 of the present invention is comprised of keeper 11 and bearing pin 12, and keeper 11 is the character cut in bas-relief shape, and there are two hemispherical boss end.
As depicted in figs. 1 and 2, diameter changing mechanism 20 comprises vertical lifting module 21 and horizontal extension module 22.
Wherein, vertical lifting module 21 is comprised of double-acting cylinder 211, connecting plate 212, lifter plate 213 and spring 214, connecting plate 212 is fixed tightly in by double nut on the output shaft of double-acting cylinder 211, and lifter plate 213 is positioned on connecting plate 212, by pin, screw, with connecting plate 212, is connected.Simultaneously, lifter plate 213 is sleeved on the axis of guide 35 in pedestal 30.The outline of lifter plate 213 is octagon (being that horizontal cross-section is octagon) in horizontal plane, be inclined wedge-shaped at vertical plane, and be shaped with T-slot on cammed surface.
As shown in Figure 3, the T-shaped boss-shaped in the end of pushing block 223, and be embedded in slippage in the T-slot of lifter plate 213.
As shown in Figure 2, the end of push rod 222 front ends is shaped with the yi word pattern breach, and circumferencial direction is shaped with a through hole, and setting element 11 is arranged on the front end of push rod 222 by bearing pin 12.
As shown in Figure 2, pedestal 30 is comprised of upper guide holder 31, lower guide holder 32, column 33, lining 34 and the axis of guide 35, and lining 34 press fit in guide holder 31 and lower guide holder 32, and forms two and support to install the axis of guide 35.Wherein, be distributed with four gathering sills on the axis of guide 35 excircles, interior retainer 351, outer retainer 352 and several steel balls 353 are installed in groove, and steel ball 353 isolated by interior retainer 351, outer retainer 352.
Between lower guide holder 32 and lifter plate 213, spring 214 is housed, and along the circumferential direction uniform eight; Spring 214 is in tension state, to guarantee pushing block 223, contacts with certain fixed edge of lifter plate 213 gathering sills all the time.
The using method of this device is specific as follows:
When the piston rod of double-acting cylinder 211 moves downward, connecting plate 212 drives lifter plate 213 and moves downward, under the effect of lifter plate 213 lozenges, pushing block 223 is along the slippage of wedge shape gathering sill, and promotion push rod 222 is along the pilot hole direction of upper branching holder 221 and lower bearing support 224 formation, outwards motion,, until the keeper 11 in adaptive location device 10 contacts with the inwall of hemispherical junction member, become large location requirement to adapt to hemispherical junction member circle diameter.
In like manner, when the piston rod of double-acting cylinder 211 moves upward, connecting plate 212 drives lifter plate 213 and moves upward, under the effect of lifter plate 213 lozenges, pushing block 223 is along the slippage of wedge shape gathering sill, under the double action of T-shaped groove/boss auxiliary connection and spring 225, push rod 222 is along the pilot hole direction of upper branching holder 221 and lower bearing support 224 formation, motion to the inside, until the keeper 11 in adaptive location device 10 contacts with the inwall of hemispherical junction member, the location requirement that diminishes to adapt to hemispherical junction member circle diameter.
Claims (8)
1. positioner that is used for the girth welding of hemispherical junction member, comprise adaptive location device (10), diameter changing mechanism (20) and pedestal (30), it is characterized in that, described pedestal (30) comprises guide holder (31), lower guide holder (32), column (33), lining (34) and the axis of guide (35), one end of described column (33) is arranged on lower guide holder (32), and the other end is equipped with described upper guide holder (31); Described lining (34) press fit in guide holder (31) and lower guide holder (32), and forms two supportings, and the described axis of guide (35) is arranged in two supportings; Described diameter changing mechanism (20) comprises vertical lifting module (21) and horizontal extension module (22); Described vertical lifting module (21) comprises double-acting cylinder (211), connecting plate (212) and lifter plate (213), described connecting plate (212) is fixed tightly on the output shaft of double-acting cylinder (211) by double nut, described lifter plate (213) is positioned on connecting plate (212), and fixing by pin, screw and connecting plate (212); Described lifter plate (213) is sleeved on the described axis of guide (35); Described horizontal extension module (22) consists of a plurality of horizontal extensions unit (220); Described horizontal extension unit (220) comprises upper branching holder (221), push rod (222), pushing block (223), lower bearing support (224) and locking spring (225), and described pushing block (223) is fixed on the rear end of push rod (222); Described push rod (222) is arranged in the support holes of upper branching holder (221) and lower bearing support (224) composition; The front end of described push rod (222) is fixed with described adaptive location device (10); Described locking spring (225) is positioned at the annular space between support holes and push rod (222) shaft shoulder, and is in pressured state; Described lower bearing support (224) is distributed on the installation base surface of described lower guide holder (32); The housing face of described lifter plate (213) is inclined wedge-shaped, and is shaped with T-slot on the housing face; The T-shaped boss-shaped in end of described pushing block (223); Described pushing block (223) is embedded in the T-slot of described lifter plate (213) housing face.
2. the positioner for the girth welding of hemispherical junction member according to claim 1, it is characterized in that, described adaptive location device (10) comprises keeper (11) and bearing pin (12), and described keeper (11) is concave shape, and there are two round boss end.
3. the positioner for the girth welding of hemispherical junction member according to claim 1, it is characterized in that, be distributed with four gathering sills on the described axis of guide (35) excircle, interior retainer (351), outer retainer (352) and several steel balls (353) are installed in described gathering sill, and described steel ball (353) is isolated by interior retainer (351) and outer retainer (352).
4. the positioner for the girth welding of hemispherical junction member according to claim 1, is characterized in that, the stepped structure of described push rod (222); Described support holes is shoulder hole.
5. the positioner for the girth welding of hemispherical junction member according to claim 2, it is characterized in that, the end of described push rod (222) front end is shaped with the yi word pattern breach, circumferencial direction is shaped with a through hole, and described setting element (11) is arranged on the front end of push rod (222) by bearing pin (12).
6. the positioner for the girth welding of hemispherical junction member according to claim 1, is characterized in that, the horizontal cross-section of described lifter plate (213) is octagon.
7. the positioner for the girth welding of hemispherical junction member according to claim 6, is characterized in that, described horizontal extension module (22) consists of eight horizontal extension unit (220); Described horizontal extension unit (220) is distributed on the installation base surface of described lower guide holder (32) by described lower bearing support (224).
8. the positioner for the girth welding of hemispherical junction member according to claim 7, it is characterized in that, between described lower guide holder (32) and lifter plate (213), locking spring (214) is housed, described locking spring (214) is evenly equipped with eight along the circumferencial direction of described lifter plate; Described locking spring (214) is in tension state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101474824A CN102642080B (en) | 2012-05-11 | 2012-05-11 | Positioning device for girth welding of hemispherical structural part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101474824A CN102642080B (en) | 2012-05-11 | 2012-05-11 | Positioning device for girth welding of hemispherical structural part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102642080A CN102642080A (en) | 2012-08-22 |
| CN102642080B true CN102642080B (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101474824A Expired - Fee Related CN102642080B (en) | 2012-05-11 | 2012-05-11 | Positioning device for girth welding of hemispherical structural part |
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| Country | Link |
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| CN (1) | CN102642080B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500588A (en) * | 2018-06-06 | 2018-09-07 | 成都惠锋智造科技有限公司 | Saw blade drill holder assembles device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU523781A1 (en) * | 1975-02-24 | 1976-08-05 | Предприятие П/Я В-2120 | Device for assembly for welding of large hemispheres consisting of petals |
| SU525518A1 (en) * | 1974-07-12 | 1976-08-25 | Предприятие П/Я В-2120 | Device for processing edges of spherical petals |
| SU893487A1 (en) * | 1979-07-10 | 1981-12-30 | Всесоюзный Научно-Исследовательский И Проектный Институт Технологии Химического И Нефтяного Аппаратостроения | Plant for pre-weld assembly of semi-spheres from tabs |
| JPH10277737A (en) * | 1997-04-10 | 1998-10-20 | Nippon Steel Corp | Assembling method for spherical tank |
| CN101549446A (en) * | 2009-05-15 | 2009-10-07 | 无锡洲翔成套焊接设备有限公司 | Heavy H-steel automatic assembling machine |
| CN101972895A (en) * | 2010-11-19 | 2011-02-16 | 江苏大学 | Support platform for laser cutting of sheet workpiece |
-
2012
- 2012-05-11 CN CN2012101474824A patent/CN102642080B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU525518A1 (en) * | 1974-07-12 | 1976-08-25 | Предприятие П/Я В-2120 | Device for processing edges of spherical petals |
| SU523781A1 (en) * | 1975-02-24 | 1976-08-05 | Предприятие П/Я В-2120 | Device for assembly for welding of large hemispheres consisting of petals |
| SU893487A1 (en) * | 1979-07-10 | 1981-12-30 | Всесоюзный Научно-Исследовательский И Проектный Институт Технологии Химического И Нефтяного Аппаратостроения | Plant for pre-weld assembly of semi-spheres from tabs |
| JPH10277737A (en) * | 1997-04-10 | 1998-10-20 | Nippon Steel Corp | Assembling method for spherical tank |
| CN101549446A (en) * | 2009-05-15 | 2009-10-07 | 无锡洲翔成套焊接设备有限公司 | Heavy H-steel automatic assembling machine |
| CN101972895A (en) * | 2010-11-19 | 2011-02-16 | 江苏大学 | Support platform for laser cutting of sheet workpiece |
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| CN102642080A (en) | 2012-08-22 |
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Granted publication date: 20131113 Termination date: 20160511 |