CN109813585A - A kind of structure that simulation blade root housing is connect with foam - Google Patents
A kind of structure that simulation blade root housing is connect with foam Download PDFInfo
- Publication number
- CN109813585A CN109813585A CN201910077169.XA CN201910077169A CN109813585A CN 109813585 A CN109813585 A CN 109813585A CN 201910077169 A CN201910077169 A CN 201910077169A CN 109813585 A CN109813585 A CN 109813585A
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- China
- Prior art keywords
- foam
- pull rod
- blade root
- gasket
- foam block
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Links
- 239000006260 foam Substances 0.000 title claims abstract description 70
- 238000004088 simulation Methods 0.000 title claims abstract description 29
- 239000000565 sealant Substances 0.000 claims abstract description 19
- 238000012360 testing method Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000007767 bonding agent Substances 0.000 abstract description 3
- 238000012795 verification Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 clamping disk (5) Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
Landscapes
- Gasket Seals (AREA)
- Sealing Material Composition (AREA)
Abstract
A kind of structure that simulation blade root housing is connect with foam of the present invention belongs to field of mechanical structure design, is related to a kind of structure that blade root housing is connect with foam.Foam block (6) is bonded on clamping disk 5 by technical solution of the present invention with bonding agent (7), foam block (6) are protected with gasket (4), foam block (6) during test is prevented to be adjusted gasket (3) conquassation, pull rod (9) passes through foam block (6), gasket (4), it adjusts gasket (3), it is by retaining ring (2) and screw (1) that pull rod (9) are fixed, the filling with sealant (8) between pull rod (9) and foam block (6), counterweight is hung on the hole of pull rod (9), by the quantity for changing adjustment gasket (3), adjust the deflection of sealant (8).This invention simplifies proving programs, can preferably verify the performance of sealant, working efficiency greatly improved, saved experimentation cost.
Description
Technical field
A kind of structure that simulation blade root housing is connect with foam of the present invention belongs to field of mechanical structure design, is related to a kind of mould
The structure that quasi- blade root housing is connect with foam.
Background technique
To realize propeller loss of weight and forming the aerodynamic configuration of blade, in blade root housing and the 3rd section (away from rotation center
Polyurethane foam is filled between 900mm).As shown in Figure 1, the filled and process (10) of filling region connects securely with blade ontology
It is integrated, is docking together with the end face of metal blade root housing (11).
Since the surface tension of metal material and foamed material differs greatly, elasticity modulus is different, does not have cementability,
Simultaneously because material and manufacture, there are dispersion degree, blade under service load and effect of environmental temperature, steep by blade root housing and filling
Gap can be generated between foam.To solve this problem, it prevents moisture from entering inside blade, a kind of suitable sealant progress need to be selected
Sealing.
Since blade length is 2000mm, weight is greater than 27kg, if directlying adopt blade carries out verification experimental verification, needs to use
Special testing equipment fixes blade ontology and blade root housing respectively, while applying very big load and (being greater than 3 × 105Kg) make
It generates gap between foam and metal-coating.
To improve working efficiency, simplifies proving program, formulated a kind of structure that simulation blade root housing is connect with foam.
Summary of the invention
The purpose of the present invention: by a kind of structure that simulation blade root housing is connect with foam, simplify proving program, reduce examination
Risk is tested, the efficiency for solving clearance issues between blade root housing and foam is greatly improved.
Technical solution of the present invention:
A kind of structure that simulation blade root housing is connect with foam, including clamping disk (5), foam block (6), pull rod (9), adjustment
Gasket (3), gasket (4), retaining ring (2), screw (1), the clamping disk (5) are cylinder-like structure, and foam block (6) is cylindrical body knot
Structure, the shape of foam block (6) and the interior shape of the clamping disk (5) match；Foam block (6) is placed in the interior of clamping disk (5)
Portion offers through-hole one along its axial direction at the center of clamping disk (5) and foam block (6)；Pull rod (9) is cylindrical structure, is being drawn
Along its axial successively design cylindrical body one, cylindrical body two on one end face of bar (9)；The diameter of pull rod (9) is less than cylindrical body one
Diameter, the diameter of cylindrical body one is less than the diameter of cylindrical body two；The diameter of pull rod (9) is slightly less than the diameter of through-hole one, cylinder
The diameter of body one is greater than the diameter of through-hole one；A through-hole two, the through-hole are opened up perpendicular to its axial direction in the cylindrical body two
Two for hanging counterweight；
Adjustment gasket (3), gasket (4) are annular structure, and internal diameter is slightly larger than the diameter of pull rod (9), outer diameter and dress
The outer diameter of chuck (5) is identical；
Another end face of pull rod (9) offers threaded hole along its axial direction, which is inserted into clamping disk (5), foam block
(6) after through-hole one, then gasket (4), adjustment gasket (3) are sequentially inserted into；
On gasket (4) and the edge of clamping disk (5), four through-holes three are uniformly distributed perpendicular to the axial direction of clamping disk (5), are led to
It crosses rope and penetrates through-hole three, which is hung up；
Retaining ring (2) is an annular structure, and screw (1) passes through the centre bore of retaining ring (2), is screwed into the screw thread of pull rod (9)
In hole, each part is formed a whole structure；
The filling with sealant between the cylindrical body one and foam block (6) of pull rod (9), sealant both ends respectively with cylindrical body one
It is mutually be bonded with foam block (6)；The quantity of adjustment adjustment gasket (3) according to the actual situation, with adjusting yoke (9) along its axial position
Shifting amount carrys additionally counterweight on through-hole two, increases the extension power of sealant, tests the performance of sealant.
Foam block (6) in the simulation blade root housing and foam connection structure simulates filled and process (10), foam block (6)
Material is identical as filled and process (10)；
Pull rod (9) in the simulation blade root housing and foam connection structure simulates metal blade root housing (11), pull rod (9)
Material is identical as metal blade root housing (11)；
Groove simulation filling bubble between the simulation blade root housing and foam connection structure foam block (6) and pull rod (9)
Gap between foam (10) and metal blade root housing (11) places the sealant that need to be examined in a groove；
The simulation blade root housing and foam connection structure diameter are 100mm~150mm.
Beneficial effects of the present invention: the present invention simulates paddle using foam block (6) simulation blade root filled and process (1), with pull rod
Root housing (2) changes the deflection of sealant (8) by adjusting the quantity of gasket (3), saves test space and equipment, greatly
Verification experimental verification program is simplified greatly, the performance of sealant can be preferably verified, working efficiency greatly improved, avoid blade
It scraps, has saved experimentation cost.
Detailed description of the invention
Fig. 1 pull rod schematic diagram
Fig. 2 simulates blade root housing and foam attachment structure schematic diagram
Wherein: 1- screw；2- retaining ring；3- adjusts gasket；4- gasket；5- clamping disk；6- foam block；7- bonding agent；8- is close
Sealing；9- pull rod.
Fig. 3 blade occupied state schematic diagram
Wherein: 10- filled and process；11- metal blade root housing.
Specific embodiment
The present invention will be described in further detail with reference to the accompanying drawing.
As shown in Fig. 2, a kind of simulation blade housing and foam connection structure, diameter is 100mm~150mm.The simulation
Foam block (6) in blade root housing and foam connection structure simulates filled and process (10), foam block (6) material and filled and process
(10) identical；Pull rod (9) in the simulation blade root housing and foam connection structure simulates metal blade root housing (11), pull rod
(9) material is identical as metal blade root housing (11)；The clamping disk (5) is cylinder-like structure, and foam block (6) is cylindrical body knot
Structure, the shape of foam block (6) and the interior shape of the clamping disk (5) match, and retaining ring (2) and adjustment gasket (3) are annulus
Shape structure；Foam block (6) is bonded on clamping disk (5) with bonding agent (7), is covered foam block (6) with gasket (4), pull rod (9)
It is by retaining ring (2) and screw (1) that pull rod (9) are fixed across foam block (6), gasket (4), adjustment gasket (3).The simulation
Groove simulation filled and process (10) and metal blade root between blade root housing and foam connection structure foam block (6) and pull rod (9)
Gap between housing (11) places the sealant (8) that need to be examined in a groove.By on clamping disk (5) and gasket (4)
Assembly parts are fixed in four holes, hang counterweight on the through-hole of pull rod (9), by changing the quantity of adjustment gasket (3), are adjusted close
The deflection of sealing (8).It reduces by 1 adjustment gasket (3), the displacement of 1mm can be increased, it is only necessary to add the counterweight energy of 1kg or so
It is changed into the deflection of sealant (8).If carrying out verification experimental verification when displacement is 1mm with blade need to load greater than 3 × 105kg
Load.
By using simulation blade housing and foam connection structure, blade root filled and process (1) is simulated with foam block (6), is used
Pull rod simulates blade root housing (2), and the deflection of quantity adjustment sealant (8) by changing adjustment gasket (3) simplifies test
Proving program improves the working efficiency of verification experimental verification, has saved experimentation cost.
Claims (5)
1. a kind of structure that simulation blade root housing is connect with foam, which is characterized in that including clamping disk (5), foam block (6) is drawn
Bar (9) adjusts gasket (3), gasket (4), retaining ring (2), screw (1), and the clamping disk (5) is cylinder-like structure, foam block (6)
For cylindrical structure, the shape of foam block (6) and the interior shape of the clamping disk (5) match；Foam block (6) is placed in clamping
The inside of disk (5) offers through-hole one along its axial direction at the center of clamping disk (5) and foam block (6)；Pull rod (9) is cylindrical body
Structure, along its axial successively design cylindrical body one, cylindrical body two on an end face of pull rod (9)；The diameter of pull rod (9) is less than
The diameter of cylindrical body one, the diameter of cylindrical body one are less than the diameter of cylindrical body two；The diameter of pull rod (9) is slightly less than the straight of through-hole one
Diameter, the diameter of cylindrical body one are greater than the diameter of through-hole one；A through-hole two, institute are opened up perpendicular to its axial direction in the cylindrical body two
Through-hole two is stated for hanging counterweight；
Adjustment gasket (3), gasket (4) are annular structure, and internal diameter is slightly larger than the diameter of pull rod (9), outer diameter and clamping disk
(5) outer diameter is identical；
Another end face of pull rod (9) offers threaded hole along its axial direction, which is inserted into clamping disk (5), foam block (6)
After through-hole one, then it is sequentially inserted into gasket (4), adjustment gasket (3)；
On gasket (4) and the edge of clamping disk (5), four through-holes three are uniformly distributed perpendicular to the axial direction of clamping disk (5), pass through rope
Rope penetrates through-hole three, which is hung up；
Retaining ring (2) is an annular structure, and screw (1) passes through the centre bore of retaining ring (2), is screwed into the threaded hole of pull rod (9),
Each part is formed a whole structure；
The filling with sealant between the cylindrical body one and foam block (6) of pull rod (9), sealant both ends respectively with cylindrical body one and bubble
Foam block (6) is mutually bonded；The quantity of adjustment adjustment gasket (3) according to the actual situation, with adjusting yoke (9) along its axial displacement
Amount, carrys additionally counterweight on through-hole two, increases the elongation of sealant, test the performance of sealant.
2. a kind of structure that simulation blade root housing is connect with foam according to claim 1, which is characterized in that the simulation
Foam block (6) in blade root housing and foam connection structure simulates filled and process (10), foam block (6) material and filled and process
(10) identical.
3. a kind of structure that simulation blade root housing is connect with foam according to claim 1, which is characterized in that the simulation
Pull rod (9) in blade root housing and foam connection structure is simulated, and pull rod (9) material is identical as metal blade root housing (11).
4. a kind of structure that simulation blade root housing is connect with foam according to claim 1, which is characterized in that the simulation
Groove simulation filled and process (10) and metal blade root between blade root housing and foam connection structure foam block (6) and pull rod (9)
Gap between housing (11) places the sealant that need to be examined in a groove.
5. a kind of structure that simulation blade root housing is connect with foam according to claim 1, which is characterized in that the simulation
Blade root housing and foam connection structure diameter are 100mm~150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077169.XA CN109813585B (en) | 2019-01-25 | 2019-01-25 | Structure for simulating connection of paddle root coat and foam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077169.XA CN109813585B (en) | 2019-01-25 | 2019-01-25 | Structure for simulating connection of paddle root coat and foam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109813585A true CN109813585A (en) | 2019-05-28 |
| CN109813585B CN109813585B (en) | 2024-05-24 |
Family
ID=66605334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910077169.XA Active CN109813585B (en) | 2019-01-25 | 2019-01-25 | Structure for simulating connection of paddle root coat and foam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109813585B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113460263A (en) * | 2021-08-05 | 2021-10-01 | 中国船舶工业集团公司第七0八研究所 | Design method for simulating propeller |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113460263A (en) * | 2021-08-05 | 2021-10-01 | 中国船舶工业集团公司第七0八研究所 | Design method for simulating propeller |
| CN113460263B (en) * | 2021-08-05 | 2022-07-05 | 中国船舶工业集团公司第七0八研究所 | Design method for simulating propeller |
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| Publication number | Publication date |
|---|---|
| CN109813585B (en) | 2024-05-24 |
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