CN114526204B - Locking mechanism for rain erosion test sample - Google Patents
Locking mechanism for rain erosion test sample Download PDFInfo
- Publication number
- CN114526204B CN114526204B CN202210173095.1A CN202210173095A CN114526204B CN 114526204 B CN114526204 B CN 114526204B CN 202210173095 A CN202210173095 A CN 202210173095A CN 114526204 B CN114526204 B CN 114526204B
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- Prior art keywords
- driving
- sample
- rod
- main body
- locking mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 67
- 238000012360 testing method Methods 0.000 title claims abstract description 19
- 230000003628 erosive effect Effects 0.000 title claims abstract description 18
- 238000013459 approach Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/30—Commissioning, e.g. inspection, testing or final adjustment before releasing for production
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a locking mechanism for a rain erosion test sample, which comprises a jig main body and a clamping mechanism connected with the jig main body, wherein the clamping mechanism is used for clamping the sample, the clamping mechanism is oppositely arranged and comprises a pressing block and a connecting column connected with one end of the pressing block, the connecting column is connected with a driving mechanism for driving the two pressing blocks which are oppositely arranged to be close to or far away from each other, the driving mechanism comprises a thread bush, a driving rod and a push rod which are oppositely arranged, two ends of the driving rod are fixedly connected with the connecting column and the thread bush respectively, one end of the push rod is connected with the driving rod, the other end of the push rod is connected with a supporting mechanism for supporting the sample, the supporting mechanism comprises a driving seat and a supporting rod connected with the driving seat, and the push rod is connected with the driving seat. The invention can improve the stability of the sample piece, reduce the deformation, facilitate the disassembly and assembly, and has flexible and convenient operation and strong practicability.
Description
Technical Field
The invention relates to the technical field of wind power blade testing, in particular to a locking mechanism for a rain erosion test sample.
Background
Wind power blade is as the key part of offshore wind power generation group, and wind power blade needs work under harsh environment, and the main wind position of cutting when the leading edge of blade, rainwater erosion can destroy the blade surface, finally influences generating efficiency. At present, no standard evaluation method and no standard evaluation standard exist for the protection life, namely the durability, of the wind power blade front edge protection material, and the industry recognizes that the protection life is evaluated by simulating the scouring damage of high-speed rainwater through experimental equipment. And a sample locking mechanism is needed in the rain erosion test, so that the sample is fixed.
The existing sample locking mechanism is inconvenient to detach and install the sample when in use, is troublesome to operate and has poor practicality.
Disclosure of Invention
The invention aims to provide a locking mechanism for a rain erosion test sample, which has the advantages of improving the stability of the sample, reducing the deformation, being convenient to assemble and disassemble, and flexible and convenient to operate, and solves the problems of inconvenient disassembly and assembly of the sample, troublesome operation and poor practicability.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a be used for rain erosion test sample locking mechanism, includes the tool main part and connects in the clamping mechanism of tool main part, clamping mechanism is used for the sample to press from both sides tightly, and clamping mechanism sets up relatively, clamping mechanism includes the briquetting and connects in the spliced pole of briquetting one end, the spliced pole is connected with the actuating mechanism that is used for driving two briquettes that set up relatively and is close to or keep away from each other, actuating mechanism includes relative screw thread cover, actuating lever, push rod that set up, the both ends of actuating lever are all fixed with spliced pole, screw thread cover respectively and link to each other, push rod one end is connected with the actuating lever, and the other end of push rod is connected with the supporting mechanism that is used for the sample to support, supporting mechanism includes the actuating seat and connects in the bracing piece of actuating seat, the push rod is connected in the actuating seat;
When the sample locking mechanism is used, the pressing block is pressed on the sample, the push rod is pressed on the driving seat, and the support rod is connected to the inner side of the sample.
Preferably, the clamping mechanism further comprises a first spring, the jig main body is provided with a mounting groove matched with the sample, the first spring is used for driving the pressing block to move in a direction away from the mounting groove, and when the sample locking mechanism is used, the pressing block is tightly pressed in limiting grooves formed in two sides of the sample.
Preferably, two ends of the first spring are fixedly connected with the connecting column and the jig main body respectively.
Preferably, the driving mechanism further comprises a screw, a sliding block and a rotating head, the threaded sleeve is in threaded connection with the screw, the sliding block is fixedly connected with the threaded sleeve and is in sliding connection with an inner cavity arranged in the jig main body, and the rotating head is used for driving the screw to rotate.
Preferably, one end of the screw rod is movably connected to the inner cavity, the other end of the screw rod penetrates through one side of the jig main body, and the other end of the screw rod is in threaded connection with the jig main body.
Preferably, a connecting rod is fixedly connected between the sliding block and the threaded sleeve.
Preferably, the supporting mechanism further comprises a pressing column and a second spring, one end of the pressing column is connected with the supporting rod, the other end of the pressing column is fixedly connected with the driving seat, the driving seat is symmetrically arranged around the axis of the pressing column, and the second spring is used for driving the supporting rod to move towards the direction close to the driving seat.
Preferably, the driving seat is provided with an inclined plane, the inclined plane is slidably connected with a driving block, the other end of the push rod is hinged to the driving block, and when the sample locking mechanism is used, the driving block is tightly pressed on the inclined plane.
Preferably, the second spring is sleeved on the pressing column, and two ends of the second spring are fixedly connected with the driving seat and the jig main body respectively.
Preferably, the pressing column is in sliding connection with the jig main body.
Compared with the prior art, the invention has the following beneficial effects: the clamping mechanism comprises the pressing blocks, the connecting columns and the first spring, the driving mechanism comprises the threaded sleeves, the driving rods, the push rods, the screw rods, the sliding blocks and the rotating heads, the supporting mechanism comprises the driving seat, the supporting rods, the pressing columns and the second spring, a sample piece can be placed in the mounting groove of the jig main body, the rotating heads are manually rotated to drive the screw rods to rotate, the two threaded sleeves can be driven to be close to each other, so that the two push rods synchronously apply pressure to the driving seat, namely, the supporting rods move towards the direction close to the inner side of the sample piece, meanwhile, the driving rods push the two connecting columns to be close to each other, namely, the two pressing blocks are close to each other, when the pressing blocks are pressed on the limiting grooves on the two sides of the sample piece, the supporting rods are connected to the inner side of the sample piece, stability of the sample piece can be improved, deformation is reduced, meanwhile, disassembly and assembly are convenient, and operation are flexible and high in practicability.
Drawings
FIG. 1 is a schematic view of a sample clamping structure according to the present invention;
FIG. 2 is an enlarged view of FIG. 1 at C;
FIG. 3 is an enlarged view of FIG. 1 at A;
FIG. 4 is an enlarged view of FIG. 1 at B;
FIG. 5 is a schematic diagram of a main structure of the fixture according to the present invention;
Fig. 6 is a schematic diagram of a conventional sample structure.
In the figure: 1. a jig main body; 2. a rotating head; 3. a slide block; 4. a thread sleeve; 5. a screw; 6. an inner cavity; 7. a push rod; 8. a driving seat; 9. pressing the column; 10. a mounting groove; 11. a sample; 12. a support rod; 13. briquetting; 14. a connecting column; 15. a driving rod; 16. a first spring; 17. a limit groove; 18. a connecting rod; 19. a driving block; 20. an inclined plane; 21. and a second spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 6, in order to obtain a conventional sample 11, limiting grooves 17 are provided on both sides of the sample 11.
Referring to fig. 1 to 5, the present invention provides a locking mechanism for a rain erosion test sample, which includes a jig main body 1 and a clamping mechanism connected to the jig main body 1, wherein the clamping mechanism is used for clamping a sample 11, and the clamping mechanisms are oppositely arranged. The clamping mechanism comprises a pressing block 13 and a connecting column 14 connected to one end of the pressing block 13, and the pressing block 13 is in sliding connection with the jig main body 1, so that the pressing block 13 can stably reciprocate, and the pressing block 13 is prevented from being misplaced with the limiting groove 17. The spliced pole 14 is connected with the actuating mechanism that is used for driving two briquetting 13 that set up relatively and is close to each other or keep away from, and actuating mechanism includes relative screw thread cover 4, actuating lever 15, push rod 7 that set up, and the both ends of actuating lever 15 are all fixed continuous with spliced pole 14, screw thread cover 4 respectively, and push rod 7 one end is connected in actuating lever 15, and the other end of push rod 7 is connected with the supporting mechanism who is used for sample 11 to support, and supporting mechanism includes actuating seat 8 and connects in actuating seat 8's bracing piece 12, and push rod 7 connects in actuating seat 8.
When the sample locking mechanism is used, the manual rotary head 2 drives the screw rod 5 to rotate, the two threaded sleeves 4 can be driven to approach each other, so that the two push rods 7 synchronously apply pressure to the driving seat 8, namely, the support rods 12 move towards the direction close to the inner side of the sample 11, meanwhile, the driving rods 15 push the two connecting columns 14 to approach each other, namely, the two pressing blocks 13 approach each other, when the pressing blocks 13 are pressed on the limit grooves 17 on the two sides of the sample 11, the support rods 12 are connected to the inner side of the sample 11, the stability of the sample 11 can be improved, meanwhile, the disassembly and assembly are convenient, and the operation is flexible and convenient. When the rain erosion test is performed, the sample 11 collides with the rain drops during rotation, so deformation is easy to occur, the test result is affected, and the support rod 12 is connected to the inner side of the sample 11 to support the sample 11, so that the sample 11 can be supported, deformation is prevented, and the service life is prolonged.
The clamping mechanism further comprises a first spring 16, the jig main body 1 is provided with a mounting groove 10 matched with the sample 11, the first spring 16 is used for driving the pressing block 13 to move in a direction away from the mounting groove 10, when the sample locking mechanism is used, the pressing block 13 is tightly pressed on limit grooves 17 arranged on two sides of the sample 11, so that the sample 11 is well positioned, and when the pressing block 13 moves in a direction close to the limit grooves 17, the first spring 16 is further lengthened, thereby having an obstructing effect, being convenient for people to control the position of the pressing block 13 and being more flexible to operate; when the pressing block 13 moves in a direction away from the limiting groove 17, the first spring 16 applies a pulling force to the pressing block 13, and the rotary head 2 is labor-saving. Both ends of the first spring 16 are fixedly connected with the connecting column 14 and the jig main body 1 respectively.
The driving mechanism further comprises a screw 5, a sliding block 3 and a rotating head 2, wherein the threaded sleeve 4 is in threaded connection with the screw 5, the sliding block 3 is fixedly connected with the threaded sleeve 4, a connecting rod 18 is fixedly connected between the sliding block 3 and the threaded sleeve 4, the sliding block 3 is in sliding connection with an inner cavity 6 arranged in the jig main body 1, and the rotating head 2 is used for driving the screw 5 to rotate. When rotating the rotating head 2, drive the rotation of screw rod 5, two thread bush 4 are close to or keep away from each other promptly, and the synchronous slider 3 that can make slides at inner chamber 6 roof, and then guarantees the steadiness of two thread bush 4 reciprocating motion, avoids appearing the jamming.
One end swing joint in inner chamber 6 of screw rod 5, the other end runs through in one side of tool main part 1, and the other end and the tool main part 1 threaded connection of screw rod 5 can prevent that screw rod 5 from rotating through screw rod 5 and tool main part 1 threaded fit, can realize the good location to briquetting 13, bracing piece 12.
The supporting mechanism further comprises a pressing column 9 and a second spring 21, one end of the pressing column 9 is connected with the supporting rod 12, the other end of the pressing column is fixedly connected with the driving seat 8, the driving seat 8 is symmetrically arranged around the axis of the pressing column 9, and the second spring 21 is used for driving the supporting rod 12 to move towards the direction close to the driving seat 8.
The driving seat 8 is provided with an inclined plane 20, the inclined plane 20 is connected with a driving block 19 in a sliding way, the other end of the push rod 7 is hinged to the driving block 19, and when the sample locking mechanism is used, the driving block 19 is tightly pressed on the inclined plane 20. One end of the inclined surface 20 is high, the other end is low, the high point is the point f, the low point is the point e, when two push rods 7 are close to each other, namely the driving block 19 moves towards the direction close to the point f, and pressure is applied to the driving seat 8, so that the supporting rod 12 can move towards the inner side close to the sample piece 11; when the two push rods 7 move away from each other, that is, the driving block 19 moves in the direction approaching the point e, a pulling force is applied to the driving seat 8, and the support rod 12 moves in the direction away from the sample 11. The pressing column 9 is in sliding connection with the jig main body 1, so that the pressing column 9 can be stably lifted, and the lifting stability of the support rod 12 is improved.
The second spring 21 is sleeved on the pressing column 9, and two ends of the second spring 21 are fixedly connected with the driving seat 8 and the jig main body 1 respectively.
Working principle: when the rain erosion testing device is used, the sample 11 can be placed in the mounting groove 10 of the jig main body 1, the rotating head 2 is rotated to drive the screw 5 to rotate, the two thread sleeves 4 are connected with the screw 5 in a threaded mode, meanwhile, a connecting rod 18 is fixedly connected between the sliding block 3 and the thread sleeves 4, the sliding block 3 is slidably connected with the inner cavity 6 arranged in the jig main body 1, the two thread sleeves 4 can be fixedly moved, when the two thread sleeves 4 are mutually close, namely, the two push rods 7 apply pressure to the driving seat 8, the driving block 19 moves in the direction close to the point f, and the supporting rod 12 can move in the inner side direction close to the sample 11. At the same time, the two driving rods 15 are close to each other, and the two pressing blocks 13 can be driven to be close to each other. When briquetting 13 compresses tightly in setting up in the spacing groove 17 of sample 11, bracing piece 12 is connected in the inboard of sample 11 simultaneously, and then improves the stability of sample 11 to can support sample 11, prevent that it from taking place to warp, increase of service life. When the sample 11 needs to be disassembled, the rotatable rotating head 2, the two threaded sleeves 4 are far away from each other, the push rod 7 applies a pulling force to the driving seat 8, namely, the driving block 19 moves towards the direction close to the e point, so that the supporting rod 12 moves towards the inner side direction far away from the sample 11, and meanwhile, the pressing block 13 moves towards the direction far away from the limiting groove 17, so that the sample 11 is convenient to disassemble, the operation is flexible and convenient, and the practicability is strong.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A be used for rain erosion test sample locking mechanism which characterized in that: the fixture comprises a fixture main body (1) and a clamping mechanism connected to the fixture main body (1), wherein the clamping mechanism is used for clamping a sample piece (11), the clamping mechanism is oppositely arranged and comprises a pressing block (13) and a connecting column (14) connected to one end of the pressing block (13), the connecting column (14) is connected with a driving mechanism for driving the two pressing blocks (13) which are oppositely arranged to be close to or far away from each other, the driving mechanism comprises a thread bush (4), a driving rod (15) and a push rod (7) which are oppositely arranged, the driving mechanism further comprises a screw (5), a sliding block (3) and a rotating head (2), the thread bush (4) is in threaded connection with the screw (5), the sliding block (3) is fixedly connected with the thread bush (4), the sliding block (3) is in sliding connection with an inner cavity (6) which is arranged in the fixture main body (1), and the rotating head (2) is used for driving the screw (5) to rotate. The two ends of the driving rod (15) are fixedly connected with the connecting column (14) and the threaded sleeve (4) respectively, one end of the push rod (7) is connected with the driving rod (15), the other end of the push rod (7) is connected with a supporting mechanism for supporting the sample piece (11), the supporting mechanism comprises a driving seat (8) and a supporting rod (12) connected with the driving seat (8), the supporting mechanism further comprises a pressing column (9) and a second spring (21), one end of the pressing column (9) is connected with the supporting rod (12), the other end of the pressing column is fixedly connected with the driving seat (8), the driving seat (8) is symmetrically arranged around the axis of the pressing column (9), and the second spring (21) is used for driving the supporting rod (12) to move towards the direction close to the driving seat (8); the push rod (7) is connected with the driving seat (8);
The driving seat (8) is provided with an inclined plane (20), the inclined plane (20) is connected with a driving block (19) in a sliding manner, the other end of the push rod (7) is hinged to the driving block (19), and when the sample locking mechanism is used, the driving block (19) is tightly pressed on the inclined plane (20);
when the sample locking mechanism is used, the pressing block (13) is pressed on the sample (11), the push rod (7) is pressed on the driving seat (8), and the support rod (12) is connected to the inner side of the sample (11).
2. The locking mechanism for the rain erosion test sample according to claim 1, wherein the clamping mechanism further comprises a first spring (16), the jig main body (1) is provided with a mounting groove (10) matched with the sample (11), the first spring (16) is used for driving the pressing block (13) to move in a direction away from the mounting groove (10), and when the sample locking mechanism is used, the pressing block (13) is pressed against limit grooves (17) arranged on two sides of the sample (11).
3. The locking mechanism for the rain erosion test sample according to claim 2, wherein two ends of the first spring (16) are fixedly connected with the connecting column (14) and the jig main body (1) respectively.
4. The locking mechanism for the rain erosion test sample piece according to claim 1, wherein one end of the screw rod (5) is movably connected to the inner cavity (6), the other end of the screw rod penetrates through one side of the jig main body (1), and the other end of the screw rod (5) is in threaded connection with the jig main body (1).
5. A locking mechanism for a rain erosion test sample according to claim 1, wherein a connecting rod (18) is fixedly connected between the slider (3) and the threaded sleeve (4).
6. The locking mechanism for the rain erosion test sample according to claim 1, wherein the second spring (21) is sleeved on the pressing column (9), and two ends of the second spring (21) are fixedly connected with the driving seat (8) and the jig main body (1) respectively.
7. A locking mechanism for a rain erosion test sample according to claim 6, wherein the pressing post (9) is slidably connected to the jig main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210173095.1A CN114526204B (en) | 2022-02-24 | 2022-02-24 | Locking mechanism for rain erosion test sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210173095.1A CN114526204B (en) | 2022-02-24 | 2022-02-24 | Locking mechanism for rain erosion test sample |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114526204A CN114526204A (en) | 2022-05-24 |
| CN114526204B true CN114526204B (en) | 2024-06-07 |
Family
ID=81624213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210173095.1A Active CN114526204B (en) | 2022-02-24 | 2022-02-24 | Locking mechanism for rain erosion test sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114526204B (en) |
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| US4738438A (en) * | 1985-12-27 | 1988-04-19 | Nabeya Iron & Tool Works, Ltd. | Machine vise with clamping force detector |
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| CN214277851U (en) * | 2021-01-25 | 2021-09-24 | 常州合欣达旭新能源科技发展有限公司 | Rain erosion test sample piece fixing device |
| WO2021196301A1 (en) * | 2020-04-01 | 2021-10-07 | 南京美高美新材料有限公司 | Fixing support for fully-automatic feeding extruder |
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| CN209387813U (en) * | 2018-12-05 | 2019-09-13 | 深圳市浩海通精密设备有限公司 | A kind of sliding block locking mechanism of pcb board test fixture |
| CN209589944U (en) * | 2019-03-12 | 2019-11-05 | 贵州理化测试技术研究院有限公司 | A kind of engineering detecting equipment calibration test block |
| CN210072027U (en) * | 2019-05-23 | 2020-02-14 | 苏州铭佳精密机械有限公司 | Power module test equipment anchor clamps |
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| US4738438A (en) * | 1985-12-27 | 1988-04-19 | Nabeya Iron & Tool Works, Ltd. | Machine vise with clamping force detector |
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| WO2021196301A1 (en) * | 2020-04-01 | 2021-10-07 | 南京美高美新材料有限公司 | Fixing support for fully-automatic feeding extruder |
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| CN214277851U (en) * | 2021-01-25 | 2021-09-24 | 常州合欣达旭新能源科技发展有限公司 | Rain erosion test sample piece fixing device |
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| CN114526204A (en) | 2022-05-24 |
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