CN111735602B - Low-speed wind tunnel test model abdominal bracing system - Google Patents
Low-speed wind tunnel test model abdominal bracing system Download PDFInfo
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- CN111735602B CN111735602B CN202010793198.9A CN202010793198A CN111735602B CN 111735602 B CN111735602 B CN 111735602B CN 202010793198 A CN202010793198 A CN 202010793198A CN 111735602 B CN111735602 B CN 111735602B
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- suspension
- movable floor
- movable
- guide rail
- rail beam
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- 230000003187 abdominal effect Effects 0.000 title abstract description 9
- 239000000725 suspension Substances 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 210000001015 abdomen Anatomy 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
-
- 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
- G01M9/06—Measuring arrangements specially adapted for aerodynamic testing
- G01M9/062—Wind tunnel balances; Holding devices combined with measuring arrangements
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Transportation (AREA)
- Aviation & Aerospace Engineering (AREA)
- Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)
Abstract
The invention discloses a low-speed wind tunnel test model abdominal bracing system, which comprises a movable floor, a movable lifter, a test section and a sideslip angle mechanism, wherein a turntable is arranged in the center of the movable floor, a suspension mounting seat is suspended below the turntable, and a mounting base for mounting test equipment is arranged on the upper surface of the suspension mounting seat; the movable lifter is provided with a lifter guide rail beam capable of lifting, and the movable lifter can carry and support the movable floor through the lifter guide rail beam; the lower hole wall of the test section is provided with a connecting guide rail beam, a slide rail travelling mechanism is arranged below the movable floor, and the movable floor can move on the elevator guide rail beam and the connecting guide rail beam through the slide rail travelling mechanism; the sideslip angle mechanism is positioned below the connecting guide rail beam of the test section, wherein the lower ends of the movable floor, the movable lifter and the sideslip angle mechanism are respectively provided with a ground walking mechanism capable of walking on the ground. The invention can obviously save the workload and time for installation and debugging in the test section.
Description
Technical Field
The invention relates to the technical field of wind tunnel tests, in particular to a low-speed wind tunnel test model abdominal bracing system.
Background
When the traditional low-speed wind tunnel abdominal bracing system is used, the balance, the support and the model are directly installed and debugged in a wind tunnel test section, so that a large amount of time in a hole can be occupied, and when test tasks are multiple, the test efficiency is seriously influenced.
Disclosure of Invention
The invention aims to provide a low-speed wind tunnel test model abdominal bracing system which can obviously save the workload and time for installation and debugging in a test section.
In order to solve the technical problems, the invention adopts a technical scheme that: the low-speed wind tunnel test model abdominal bracing system comprises a movable floor, a movable lifter, a test section and a side slip angle mechanism, wherein a turntable is arranged in the center of the movable floor, a suspension mounting seat is suspended below the turntable, and a mounting base for mounting test equipment is arranged on the upper surface of the suspension mounting seat; the mobile lift has a lift rail beam capable of lifting, the mobile lift being capable of carrying and supporting the moveable floor via the lift rail beam; a connecting guide rail beam is arranged on the lower hole wall of the test section, a slide rail travelling mechanism is arranged below the movable floor, and the movable floor can move on the elevator guide rail beam and the connecting guide rail beam through the slide rail travelling mechanism; the side sliding angle mechanism is positioned below the connection guide rail beam of the test section, wherein the lower ends of the movable floor, the movable lifter and the side sliding angle mechanism are respectively provided with a ground travelling mechanism capable of travelling on the ground, and the ground travelling mechanism of the movable floor is positioned below the slide rail travelling mechanism.
Preferably, the suspension mounting seat is connected with the rotary table through a suspension device, and the suspension device can realize suspension connection and disconnection of the suspension mounting seat and the floor rotary table.
Preferably, linkage includes the couple, hangs jar and jacking jar, the couple articulates in the carousel below, hang the jar slope setting, one end with the carousel below is articulated, and the other end is articulated with the lower extreme of couple, the jacking jar is located hangs the mount pad side, and one end is fixed with hanging the mount pad, and the other end is the free end, it is equipped with the locking lever with couple matched with to hang the mount pad top.
Preferably, the mobile elevator is of a gantry structure.
Preferably, the ground running mechanisms of the movable floor, the movable lifter and the side sliding angle mechanism are air cushion running mechanisms.
Preferably, the sliding rail travelling mechanism of the movable floor is a wheel type travelling mechanism.
Preferably, a balance is arranged on the upper surface of the suspension mounting seat, the upper surface of the balance is used for mounting test equipment, and the upper surface of the balance is always kept horizontal.
Different from the prior art, the invention has the beneficial effects that:
(1) the test equipment enters the test section after being installed and debugged, so that the occupied time of the test section can be reduced;
(2) the test equipment is installed and debugged on the suspension mounting base, so that the workload and time in a test section can be reduced.
Drawings
Fig. 1 is a schematic structural diagram of a movable floor of a low-speed wind tunnel test model web bracing system provided by an embodiment of the invention.
Fig. 2 is a schematic diagram of a structure of a mobile lifter of a low-speed wind tunnel test model web bracing system according to an embodiment of the invention.
Fig. 3 is a schematic diagram of a structure of a test section of a low-speed wind tunnel test model web bracing system provided by the embodiment of the invention.
Fig. 4 is a schematic view of a structure of a side slip angle mechanism of a low-speed wind tunnel test model web bracing system according to an embodiment of the invention.
Fig. 5 is a schematic view of the movable floor suspension assembly after the suspension mount has been attached to the suspension of the floor carousel.
FIG. 6 is a schematic view of the raised floor suspension assembly shown after decoupling the suspension mount from the floor turntable.
FIG. 7 is a schematic illustration of the portable floor after installation of the test apparatus.
Fig. 8 is a schematic view of the mobile lift after carrying the moveable floor.
Fig. 9 is a schematic view of a movable floor entering into a docking guide rail beam.
FIG. 10 is a schematic view of the moveable floor mounted on the side slip angle mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the low-speed wind tunnel test model ventral bracing system according to the embodiment of the invention includes a movable floor 1, a movable lifter 2, a test section 3 and a sideslip angle mechanism 4, wherein a turntable 11 is arranged at the center of the movable floor 1, a suspension mounting seat 12 is suspended below the turntable 11, and a mounting base (not shown) for mounting test equipment is arranged on the upper surface of the suspension mounting seat 12; the moving lifter 2 has a lifter guide beam 21 capable of lifting, and the moving lifter 2 can carry and support the movable floor 1 through the lifter guide beam 21; the lower hole wall of the test section 3 is provided with a connecting guide rail beam 31, a slide rail travelling mechanism 6 is arranged below the movable floor 1, and the movable floor 1 can move on the elevator guide rail beam 21 and the connecting guide rail beam 31 through the slide rail travelling mechanism 6; the sideslip angle mechanism 4 is positioned below the connecting guide rail beam 31 of the test section 3, wherein the lower ends of the movable floor 1, the movable lifter 2 and the sideslip angle mechanism 4 are respectively provided with a ground walking mechanism 5 capable of walking on the ground, and the ground walking mechanism 5 of the movable floor 1 is positioned below the slide rail walking mechanism 6. The skid running gear 6 of the movable floor 1 is preferably a wheel running gear.
In the embodiment, the suspension mounting base 12 is connected with the rotary table 11 through the suspension device 13, and the suspension device 13 can realize suspension connection and disconnection of the suspension mounting base 12 and the rotary table. Specifically, referring to fig. 5 and 6, the suspension device 13 includes a hook 131, a suspension cylinder 132 and a jacking cylinder 133, the hook 131 is hinged below the rotating disc 11, the suspension cylinder 132 is disposed obliquely, one end of the suspension cylinder is hinged below the rotating disc 11, the other end of the suspension cylinder is hinged with the lower end of the hook 131, the jacking cylinder 133 is located on the side of the suspension mounting seat 12, one end of the jacking cylinder is fixed with the suspension mounting seat 12, the other end of the jacking cylinder is a free end, and a lock rod 134 matched with the hook 131 is disposed above the suspension mounting seat 12.
The mobile lifter 2 may be a gantry structure, and the lifter guide rail beam 21 is located inside the mobile lifter 2.
The movable floor 1, the movable lifter 2 and the sideslip angle mechanism 4 can travel on the ground by the ground travel mechanism 5, and in this embodiment, the ground travel mechanism 5 is an air cushion travel mechanism.
Balance 121 is arranged on the upper surface of the suspension mounting base 12, the upper surface of the balance 121 is used for mounting test equipment, and the upper surface of the balance 121 is always kept horizontal.
The working process of the low-speed wind tunnel test model abdominal bracing system of the invention is described in detail below by taking an aircraft full-mold abdominal bracing test as an example.
The working process is as follows:
1. in the test preparation room, a traveling crane is used, a balance 121, a supporting mechanism 122 and an airplane model 123 are sequentially installed on a suspension installation seat 12 of a movable floor 1, and after the installation is finished, as shown in fig. 7, a measuring system and the debugging work of a control system are carried out;
2. lowering the elevator guide rail beam 21 of the mobile elevator 2 to a suitable height, and then transporting the movable floor 1 onto the elevator guide rail beam 21 of the mobile elevator 2 by the ground traveling mechanism 5, as shown in fig. 8 after completion of the transportation;
3. the mobile lifter 2 is transported to the test section 3 through the ground travelling mechanism 5 and is butted with the test section 3;
4. lifting the elevator guide rail beam 21 of the mobile elevator 2 to be flush with the connection guide rail beam 31 of the test section 3 in height, ensuring that the elevator guide rail beam 21 and the connection guide rail beam 31 are well butted, and enabling the mobile floor 1 to enter the connection guide rail beam 31 of the test section 3 through the slide rail travelling mechanism 6, as shown in fig. 9;
5. the movable floor 1 moves to the position right above the side sliding angle mechanism 4 through the sliding rail travelling mechanism 6;
6. the suspension device 13 is unlocked, the suspension mounting 12 is disconnected from the turntable 11 of the movable floor 1, and the suspension mounting 12 is mounted on the sideslip angle mechanism 4, as shown in fig. 10. The unlocking process of the suspension device 13 is: the free end of the jacking cylinder 133 extends to prop against the upper end of the sideslip angle mechanism 4, the suspension mounting seat 12 slightly ascends relative to the sideslip angle mechanism 4, the hook 131 is separated from the contact with the lock rod 134, the suspension cylinder 132 contracts again to pull out the hook 131 until the hook is separated from the lock rod 134, and finally the jacking cylinder 133 contracts until the suspension mounting seat 12 is completely contacted with the sideslip angle mechanism 4. When it is desired to lock the suspension mounting 12 to the turntable 11, the suspension mounting 12 is lifted and suspended in the reverse order.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A low-speed wind tunnel test model ventral strut system is characterized by comprising a movable floor, a movable lifter, a test section and a sideslip angle mechanism, wherein a turntable is arranged in the center of the movable floor, a suspension mounting seat is suspended below the turntable, and a mounting base for mounting test equipment is arranged on the upper surface of the suspension mounting seat; the mobile lift has a lift rail beam capable of lifting, the mobile lift being capable of carrying and supporting the moveable floor via the lift rail beam; a connecting guide rail beam is arranged on the lower hole wall of the test section, a slide rail travelling mechanism is arranged below the movable floor, and the movable floor can move on the elevator guide rail beam and the connecting guide rail beam through the slide rail travelling mechanism; the side sliding angle mechanism is positioned below the connection guide rail beam of the test section, wherein the lower ends of the movable floor, the movable lifter and the side sliding angle mechanism are respectively provided with a ground travelling mechanism capable of travelling on the ground, and the ground travelling mechanism of the movable floor is positioned below the slide rail travelling mechanism.
2. The low-speed wind tunnel test model ventral bracing system according to claim 1, wherein the suspension mounting base is connected with the turntable through a suspension device, and the suspension device can realize suspension connection and disconnection of the suspension mounting base and the turntable.
3. The low-speed wind tunnel test model ventral bracing system of claim 2, wherein the suspension device comprises a hook, a suspension cylinder and a jacking cylinder, the hook is hinged below the turntable, the suspension cylinder is obliquely arranged, one end of the suspension cylinder is hinged below the turntable, the other end of the suspension cylinder is hinged with the lower end of the hook, the jacking cylinder is positioned on the side surface of the suspension mounting seat, one end of the jacking cylinder is fixed with the suspension mounting seat, the other end of the jacking cylinder is a free end, and a locking rod matched with the hook is arranged above the suspension mounting seat.
4. The low-speed wind tunnel test model ventral bracing system according to claim 1, wherein the mobile lifter is of a gantry structure.
5. The low-speed wind tunnel test model ventral bracing system according to claim 1, wherein the ground running mechanism of the movable floor, the movable lifter and the side slip angle mechanism is an air cushion running mechanism.
6. The low-speed wind tunnel test model ventral bracing system according to claim 1, wherein the slide rail travelling mechanism of the movable floor is a wheel type travelling mechanism.
7. The low-speed wind tunnel test model belly brace system according to claim 1, characterized in that a balance is arranged on the upper surface of the suspension mounting seat, the upper surface of the balance is used for mounting test equipment, and the upper surface of the balance is always kept horizontal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010793198.9A CN111735602B (en) | 2020-08-10 | 2020-08-10 | Low-speed wind tunnel test model abdominal bracing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010793198.9A CN111735602B (en) | 2020-08-10 | 2020-08-10 | Low-speed wind tunnel test model abdominal bracing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111735602A CN111735602A (en) | 2020-10-02 |
| CN111735602B true CN111735602B (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010793198.9A Expired - Fee Related CN111735602B (en) | 2020-08-10 | 2020-08-10 | Low-speed wind tunnel test model abdominal bracing system |
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| CN (1) | CN111735602B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477024B (en) * | 2022-04-07 | 2022-08-02 | 中国空气动力研究与发展中心低速空气动力研究所 | Movable mounting platform for abdominal support, tail support and back support models |
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| CN111735602A (en) | 2020-10-02 |
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Granted publication date: 20201117 |