CN111442901A - Device for assembling phi 1 m-magnitude wind tunnel jet pipe section - Google Patents
Device for assembling phi 1 m-magnitude wind tunnel jet pipe section Download PDFInfo
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- CN111442901A CN111442901A CN202010458665.2A CN202010458665A CN111442901A CN 111442901 A CN111442901 A CN 111442901A CN 202010458665 A CN202010458665 A CN 202010458665A CN 111442901 A CN111442901 A CN 111442901A
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- 230000011218 segmentation Effects 0.000 abstract description 11
- 230000003028 elevating effect Effects 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 239000007921 spray Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
- G01M9/04—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses a device for assembling a phi 1 m-magnitude wind tunnel jet pipe section. The device comprises a supporting seat I and a supporting seat II which are arranged on a base in parallel; the supporting seat I is a sliding supporting seat and is provided with an X-direction sliding plate, a Y-direction sliding plate and a Z-direction lifting mechanism, and a supporting plate I is fixed on a Z-direction guide plate on the lifting mechanism; the motor I drives the X-direction sliding plate to move along the X direction, the motor II drives the Y-direction sliding plate to move along the Y direction, and the motor III drives the lifting mechanism to move up and down along the Z direction; the supporting seat II is a fixed supporting seat and comprises a fixed seat and a supporting plate II from bottom to top; segmentation I is placed on backup pad I, and segmentation II is placed on backup pad II. Through adjusting Y to slide, elevating system make segmentation I keep coaxial with segmentation II, then adjust X to the slide, make segmentation I be close to segmentation II, so relapse and reduce the regulating variable gradually, finally make II cooperation faces of segmentation I paste together, solved phi 1m magnitude of force wind-tunnel jet pipe section's horizontal group to the problem.
Description
Technical Field
The invention belongs to the technical field of wind tunnel test equipment, and particularly relates to a device for assembling a phi 1 m-magnitude wind tunnel jet pipe section.
Background
The axisymmetric wind tunnel nozzle is generally formed by sectional processing and then assembling. In the prior art, when the wind tunnel spray pipes are assembled in a segmented and paired mode, a fixed tool is generally manufactured, the size of the outer circular surface of each segment of each spray pipe is used as a reference through the fixed tool for positioning, namely, the two segments of the spray pipes are placed on the fixed tool, so that the outer circular surfaces of the two segments of the spray pipes are in contact with the V-shaped support of the fixed tool, and the coaxiality of the two segments of pipelines in the assembling process is indirectly guaranteed. In the indirect guarantee mode through the external reference, firstly, errors in the processing process of the outer circular surface and the inner cavity surface cannot be eliminated; secondly, the fixed tool has certain processing errors, so that the assembly precision is influenced; finally, the fixed tooling has small adjustment allowance, and the assembly process is time-consuming, labor-consuming and complex to operate. The method is not suitable for assembling the axisymmetric wind tunnel spray pipe with larger scale, particularly the axisymmetric wind tunnel spray pipe with phi 1m magnitude, and is more difficult because the caliber is relatively larger, the wall thickness is thick, and the weight is more than 2-3 tons in order to ensure the roundness of the inner molded surface and the rigidity of the structure. In order to reduce the relative difficulty of assembly, a vertical hoisting assembly mode is sometimes adopted, but the vertical assembly process still consumes time and labor and is complex to operate.
Currently, the development of a special device for assembling phi 1 m-order wind tunnel nozzle sections is needed.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device for assembling a phi 1 m-magnitude wind tunnel jet pipe section.
The invention relates to a device for assembling a phi 1 m-magnitude wind tunnel jet pipe section, which is characterized by comprising a supporting seat I and a supporting seat II which are arranged on a base in parallel;
the supporting seat I is a sliding supporting seat and comprises two parallel X-direction sliding plates fixed on the base, a Y-direction sliding plate fixed on the X-direction sliding plate and a lifting mechanism fixed on the Y-direction sliding plate, and a supporting plate I is fixed on a Z-direction guide plate on the lifting mechanism; an X-direction lead screw guide rail connected with the motor I drives the X-direction sliding plate to move along the X direction, a Y-direction lead screw guide rail connected with the motor II drives the Y-direction sliding plate to move along the Y direction, and a lifting mechanism connected with the motor III moves up and down along the Z direction;
the support seat II is a fixed support seat and comprises a fixed seat and a support plate II arranged on the fixed seat;
segmentation I is placed on backup pad I, and segmentation II is placed on backup pad II, and segmentation I is coaxial with the horizontal axis of segmentation II.
The lifting mechanism comprises a Z-direction guide post fixed on the Y-direction sliding plate, a Z-direction guide sleeve is fixed on the lower surface of the Z-direction guide plate, the Z-direction guide sleeve is sleeved on the Z-direction guide post from top to bottom, the Z-direction guide sleeve moves up and down along the Z-direction guide post, and the Z-direction guide sleeve drives the Z-direction guide plate to move up and down.
An elastic supporting pad is arranged between the Z-direction guide plate and the Y-direction sliding plate, and the elastic supporting pad is an inflatable air bag or a rigid spring.
And an adjusting seat is further arranged between the Y-direction sliding plate and the lifting mechanism, the adjusting seat adjusts the levelness of the Z-direction guide plate, and the elastic supporting pad is arranged between the Z-direction guide plate and the adjusting seat.
According to the device for assembling the phi 1 m-magnitude wind tunnel jet pipe section, the Y-direction sliding plate and the lifting mechanism are adjusted to enable the section I and the section II to keep coaxial, then the X-direction sliding plate is adjusted to enable the section I to approach the section II, the adjustment amount is repeatedly and gradually reduced, and finally the two sections of matching surfaces are attached together, so that the problem of horizontal assembly between the phi 1 m-magnitude wind tunnel jet pipe sections can be solved.
The device for assembling the phi 1 m-magnitude wind tunnel nozzle section can adjust the relative position of the adjacent sections of the wind tunnel nozzle in X, Y, Z three directions, ensures the coaxiality of the wind tunnel nozzle assembly in the assembling process, improves the assembling precision and the assembling efficiency, and reduces the labor intensity of workers.
The device for assembling the phi 1 m-magnitude wind tunnel jet pipe section has good universality and can be popularized and applied to other assembly and assembly occasions.
Drawings
FIG. 1 is a schematic perspective view of an apparatus for assembling a Φ 1 m-scale wind tunnel nozzle segment according to the present invention;
FIG. 2 is a schematic structural diagram of the device for assembling phi 1 m-order wind tunnel nozzle segments according to the invention;
FIG. 3 is a schematic view of the X, Y direction movement of the device for assembling phi 1m order wind tunnel nozzle segments of the present invention.
In the figure, 1, a base 2, a support seat I3, a support seat II 4, a segment I5 and a segment II;
201, an X-direction sliding plate 203, a Y-direction sliding plate 205, an adjusting seat 206, a lifting mechanism 207, a Z-direction guide column 208, a Z-direction guide sleeve 209, a Z-direction guide plate 210, a support plate I211 and an elastic support pad;
301. a fixed seat 302 and a support plate II.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
As shown in figure 1, the device for assembling the phi 1 m-magnitude wind tunnel nozzle segment comprises a supporting seat I2 and a supporting seat II 3 which are arranged on a base 1 in parallel;
as shown in fig. 2, the support base i 2 is a sliding support base, and includes two parallel X-direction sliding plates 201 fixed on the base 1, a Y-direction sliding plate 203 fixed on the X-direction sliding plate 201, and a lifting mechanism 206 fixed on the Y-direction sliding plate 203, wherein a support plate i 210 is fixed on a Z-direction guide plate 209 on the lifting mechanism 206; as shown in fig. 3, an X-direction lead screw guide rail connected with a motor i drives an X-direction sliding plate 201 to move along the X direction, a Y-direction lead screw guide rail connected with a motor ii drives a Y-direction sliding plate 203 to move along the Y direction, and a lifting mechanism 206 connected with a motor iii moves up and down along the Z direction;
the support seat II 3 is a fixed support seat and comprises a fixed seat 301 and a support plate II 302 arranged on the fixed seat 301;
segment I4 is placed on support plate I210 and segment II 5 is placed on support plate II 302, with the horizontal axes of segment I4 and segment II 5 coaxial.
The lifting mechanism 206 comprises a Z-direction guide post 207 fixed on the Y-direction sliding plate 203, a Z-direction guide sleeve 208 is fixed on the lower surface of the Z-direction guide plate 209, the Z-direction guide sleeve 208 is sleeved on the Z-direction guide post 207 from top to bottom, the Z-direction guide sleeve 208 moves up and down along the Z-direction guide post 207, and the Z-direction guide sleeve 208 drives the Z-direction guide plate 209 to move up and down.
An elastic supporting pad 211 is arranged between the Z-direction guide plate 209 and the Y-direction sliding plate 203, and the elastic supporting pad 211 is an inflatable air bag or a rigid spring.
An adjusting seat 205 is further installed between the Y-direction sliding plate 203 and the lifting mechanism 206, the adjusting seat 205 adjusts the levelness of the Z-direction guide plate 209, and the elastic supporting pad 211 is installed between the Z-direction guide plate 209 and the adjusting seat 205.
Example 1
The length of the segment I4 and the segment II 5 in the embodiment is 1000 mm-1500 mm, the outer diameter is 800 mm-1350 mm, and the average weight of each segment is 1.5 tons. The segment I4 and the segment II 5 are respectively arranged on the support plate I210 and the support plate II 302 and are kept basically coaxial and fixed, the segment I and the segment II 5 are kept coaxial by adjusting the Y-direction sliding plate 203, the lifting mechanism 206 and the adjusting seat 205 by taking the outer circular surface size as a reference, then the X-direction sliding plate 201 is adjusted to enable the segment I4 to approach the segment II 5, and the steps are repeated, so that the matching surfaces between the segment I4 and the segment II 5 are finally attached together. The matching surface gap between the rear section I4 and the section II 5 is smaller than 0.1mm, the coaxiality is better than phi 0.2mm, and the bonding rate is larger than 95%. Meanwhile, the labor intensity of workers is reduced, the number of assembly workers is reduced to 2 from 3-5 original workers, the assembly time is reduced to 2-3 man-hours from 6-8 man-hours, and the efficiency is improved by more than 50%.
Claims (4)
1. The device for assembling the phi 1 m-magnitude wind tunnel nozzle section is characterized by comprising a supporting seat I (2) and a supporting seat II (3) which are arranged on a base (1) in parallel;
the supporting seat I (2) is a sliding supporting seat and comprises two parallel X-direction sliding plates (201) fixed on the base (1), Y-direction sliding plates (203) fixed on the X-direction sliding plates (201), and a lifting mechanism (206) fixed on the Y-direction sliding plates (203), wherein a supporting plate I (210) is fixed on a Z-direction guide plate (209) on the lifting mechanism (206); an X-direction lead screw guide rail connected with a motor I drives an X-direction sliding plate (201) to move along the X direction, a Y-direction lead screw guide rail connected with a motor II drives a Y-direction sliding plate (203) to move along the Y direction, and a lifting mechanism (206) connected with a motor III moves up and down along the Z direction;
the support seat II (3) is a fixed support seat and comprises a fixed seat (301) and a support plate II (302) arranged on the fixed seat (301);
the segment I (4) is placed on the support plate I (210), the segment II (5) is placed on the support plate II (302), and the horizontal axes of the segment I (4) and the segment II (5) are coaxial.
2. The device for assembling the phi 1 m-magnitude wind tunnel nozzle section according to claim 1, wherein the lifting mechanism (206) comprises a Z-direction guide post (207) fixed on a Y-direction sliding plate (203), a Z-direction guide sleeve (208) is fixed on the lower surface of a Z-direction guide plate (209), the Z-direction guide sleeve (208) is sleeved on the Z-direction guide post (207) from top to bottom, the Z-direction guide sleeve (208) moves up and down along the Z-direction guide post (207), and the Z-direction guide sleeve (208) drives the Z-direction guide plate (209) to move up and down.
3. The device for assembling the phi 1 m-magnitude wind tunnel nozzle segment according to claim 1, wherein an elastic supporting pad (211) is arranged between the Z-direction guide plate (209) and the Y-direction sliding plate (203), and the elastic supporting pad (211) is an inflatable air bag or a rigid spring.
4. The device for assembling the phi 1 m-magnitude wind tunnel nozzle segment according to claim 1, wherein an adjusting seat (205) is further installed between the Y-direction sliding plate (203) and the lifting mechanism (206), the adjusting seat (205) adjusts the levelness of the Z-direction guide plate (209), and the elastic supporting pad (211) is installed between the Z-direction guide plate (209) and the adjusting seat (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010458665.2A CN111442901A (en) | 2020-05-27 | 2020-05-27 | Device for assembling phi 1 m-magnitude wind tunnel jet pipe section |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010458665.2A CN111442901A (en) | 2020-05-27 | 2020-05-27 | Device for assembling phi 1 m-magnitude wind tunnel jet pipe section |
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| CN111442901A true CN111442901A (en) | 2020-07-24 |
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| CN202010458665.2A Pending CN111442901A (en) | 2020-05-27 | 2020-05-27 | Device for assembling phi 1 m-magnitude wind tunnel jet pipe section |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697385A (en) * | 2021-01-05 | 2021-04-23 | 中国空气动力研究与发展中心超高速空气动力研究所 | Two-degree-of-freedom supporting device for hypersonic wind tunnel stabilizing section |
| CN112945504A (en) * | 2021-01-28 | 2021-06-11 | 泉州市中原盛辉地产代理有限公司 | Multi-section combined high-speed wind tunnel shock-absorbing mounting building base |
| CN112985751A (en) * | 2021-02-01 | 2021-06-18 | 中国空气动力研究与发展中心超高速空气动力研究所 | Hypersonic wind tunnel stable section total temperature and total pressure test bent frame structure and manufacturing method |
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| CN104097475A (en) * | 2013-04-04 | 2014-10-15 | 铃木株式会社 | Suspension-arm attachment structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112697385A (en) * | 2021-01-05 | 2021-04-23 | 中国空气动力研究与发展中心超高速空气动力研究所 | Two-degree-of-freedom supporting device for hypersonic wind tunnel stabilizing section |
| CN112945504A (en) * | 2021-01-28 | 2021-06-11 | 泉州市中原盛辉地产代理有限公司 | Multi-section combined high-speed wind tunnel shock-absorbing mounting building base |
| CN112945504B (en) * | 2021-01-28 | 2023-10-24 | 江苏圣达建设集团有限公司 | Multisection combined high-speed wind tunnel shock-absorbing installation building base |
| CN112985751A (en) * | 2021-02-01 | 2021-06-18 | 中国空气动力研究与发展中心超高速空气动力研究所 | Hypersonic wind tunnel stable section total temperature and total pressure test bent frame structure and manufacturing method |
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