CN211121862U - Avoid producing blade vibration fatigue test anchor clamps of invalid piece - Google Patents
Avoid producing blade vibration fatigue test anchor clamps of invalid piece Download PDFInfo
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- CN211121862U CN211121862U CN201922385855.1U CN201922385855U CN211121862U CN 211121862 U CN211121862 U CN 211121862U CN 201922385855 U CN201922385855 U CN 201922385855U CN 211121862 U CN211121862 U CN 211121862U
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- vibration fatigue
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Abstract
The utility model discloses a blade vibration fatigue test fixture for avoiding generating invalid parts, which comprises a chassis, an installation block, an inclined block, a pressing plate and a first locking piece, wherein the inclined block and the installation block are fixedly arranged on the chassis, and the pressing plate is fixedly arranged on the installation block; the upper surface of the inclined block is provided with a first groove for accommodating the lower part of a flange plate of a test piece, and the lower surface of the pressing plate is provided with a second groove for accommodating the upper part of the flange plate of the test piece; threaded hole is seted up in the installation piece, first retaining member sets up with the screw hole cooperation, first retaining member level sets up, the tip butt briquetting of first retaining member, the briquetting supports and presses the tenon back of test piece. The blade can transfer the maximum stress to the blade body, and the appearance of the crack position on the invalid part of the tenon is avoided.
Description
Technical Field
The utility model relates to a vibration test technical field, concretely relates to avoid producing blade vibration fatigue test anchor clamps of invalid piece.
Background
When the blade is installed and is done fatigue test on the shaking table, the tenon part is fixed on special fixture, and the blade is the cantilever beam structure, and when the tenon part was weaker, maximum stress probably appeared at the tenon position during the experiment to lead to the crackle to appear at the centre gripping position, the testpieces is invalid, this just influences the test, increases the defective products.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide an avoid producing blade vibration fatigue test anchor clamps of invalid piece, it can be with the maximum stress transfer to on the blade body, avoid the crackle position to appear in the appearance of the invalid piece of tenon.
In order to solve the technical problem, the utility model provides a blade vibration fatigue test fixture for avoiding generating invalid parts, which comprises a chassis, an installation block, an inclined block, a pressing plate and a first locking part, wherein the inclined block and the installation block are fixedly arranged on the chassis, and the pressing plate is fixedly arranged on the installation block; the upper surface of the inclined block is provided with a first groove for accommodating the lower part of a flange plate of a test piece, and the lower surface of the pressing plate is provided with a second groove for accommodating the upper part of the flange plate of the test piece; threaded hole is seted up in the installation piece, first retaining member sets up with the screw hole cooperation, first retaining member level sets up, the tip butt briquetting of first retaining member, the briquetting supports and presses the tenon back of test piece.
Preferably, the installation structure further comprises a stop block and a second locking piece, wherein the stop block is fixedly arranged on the upper side of the installation block, the second locking piece is in threaded fit connection with the stop block, the lower part of the flange plate of the second locking piece is abutted to the pressing plate, and the second locking piece is provided with a plurality of locking pieces.
Preferably, the second locking member is a set screw.
Preferably, an installation part is arranged on the lower side of the inclined block, and the installation part and the chassis are fixed through a third locking piece.
Preferably, the third locking member is a screw.
Preferably, the first locking member is a bolt.
Preferably, the chassis is provided with a plurality of mounting holes.
Preferably, the mounting block is provided with a limiting groove, and the front part of the tenon of the test piece is positioned in the limiting groove.
The utility model has the advantages that:
1. the utility model discloses be provided with sloping block and clamp plate, the first recess of the frid lower part that holds the test piece is seted up to the upper surface of sloping block, and the second recess that holds test piece frid upper portion is seted up to the lower surface of clamp plate, so can realize that both ends are fixed about the frid of test piece through sloping block and clamp plate.
2. The utility model discloses set up threaded hole in the installation piece, first retaining member sets up with the screw hole cooperation, and first retaining member level sets up, and the tip butt briquetting of first retaining member, the briquetting support the tenon back of pressing the test piece, through the setting of briquetting to fix the test piece more stably, can reduce the vibration test in-process, the test piece is because the atress is uneven and the possibility of damage.
3. The utility model discloses can avoid the crackle position to appear the appearance of the invalid piece of tenon on transferring the blade body with maximum stress.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a schematic structural diagram of the first locking member, the pressing block, the inclined block, the pressing plate and the test piece.
The reference numbers in the figures illustrate: 10. a chassis; 11. mounting holes; 20. mounting blocks; 30. a sloping block; 31. an installation part; 32. a third locking member; 33. a first groove; 40. a stopper; 50. pressing a plate; 51. a second locking member; 52. a second groove; 60. a first locking member; 61. briquetting; 70. and (5) testing the part.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1-3, the utility model discloses a blade vibration fatigue test anchor clamps of avoiding producing invalid piece, including chassis 10, installation piece 20, sloping block 30, clamp plate 50 and first retaining member 60, sloping block 30 and installation piece 20 are fixed to be set up on chassis 10, and clamp plate 50 is fixed to be set up on installation piece 20. The upper surface of the inclined block 30 is provided with a first groove 33 for accommodating the lower part of the flange of the test piece 70, and the lower surface of the pressing plate 50 is provided with a second groove 52 for accommodating the upper part of the flange of the test piece 70. Threaded holes are formed in the mounting block 20, the first locking piece 60 is matched with the threaded holes, the first locking piece 60 is horizontally arranged, the end portion of the first locking piece 60 abuts against the pressing block 61, and the pressing block 61 abuts against the back portion of the tenon of the test piece 70. Because the utility model provides a test piece 70 is the blade, and its tenon accessible clamp plate 50 is fixed with sloping block 30, because the upper surface of sloping block 30 is provided with first recess 33, and the lower surface of clamp plate 50 is provided with second recess 52, so, can carry on spacingly to test piece 70 upper end and lower part well. And be provided with the external screw thread on first retaining member 60, with the screw hole cooperation of installation piece 20, when first retaining member 60 rotation locking, the tip of first retaining member 60 supports and presses briquetting 61 for briquetting 61 pushes down the back of test piece 70, thereby fixes test piece 70 more stably, can reduce the vibration test in-process, test piece 70 is because the atress inequality and the possibility of damaging.
The utility model discloses still include dog 40 and second retaining member 51, the fixed setting of dog 40 is on installation piece 20 upside, and second retaining member 51 is connected with dog 40 screw-thread fit, and second retaining member 51's flange lower part butt clamp plate 50, second retaining member 51 have a plurality ofly. The second locker 51 may have two, and the two second lockers 51 may cooperate to apply a downward force to the pressure plate 50, thereby facilitating the fixation of the pressure plate 50. The second locking member 51 is a set screw.
An installation part 31 is arranged at the lower side of the inclined block 30, and the installation part 31 and the chassis 10 are fixed through a third locking piece 32. In this way, the swash block 30 is convenient to detach and replace, thereby being suitable for testing of blades with different sizes. The third locking member 32 is a screw.
The first locking member 60 is a bolt. Through screwing up the rotation bolt, the bolt tip supports and presses briquetting 61, and briquetting 61 compresses tightly test piece 70, improves stability.
The chassis 10 is provided with a plurality of mounting holes 11. The mounting holes 11 facilitate mounting of the clamp on a vibration table.
A limiting groove is formed in the mounting block 20, and the tail of the tenon of the test piece 70 is located in the limiting groove. In this manner, the mounting block 20 fits more closely to the tail of the tenon of the trial 70.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (8)
1. A blade vibration fatigue test fixture capable of avoiding generating invalid parts is characterized by comprising a chassis, a mounting block, an inclined block, a pressing plate and a first locking piece, wherein the inclined block and the mounting block are fixedly arranged on the chassis, and the pressing plate is fixedly arranged on the mounting block; the upper surface of the inclined block is provided with a first groove for accommodating the lower part of a flange plate of a test piece, and the lower surface of the pressing plate is provided with a second groove for accommodating the upper part of the flange plate of the test piece; threaded hole is seted up in the installation piece, first retaining member sets up with the screw hole cooperation, first retaining member level sets up, the tip butt briquetting of first retaining member, the briquetting supports and presses the tenon back of test piece.
2. The blade vibration fatigue test fixture for avoiding the generation of the ineffective member according to claim 1, further comprising a stopper fixedly disposed at an upper side of the mounting block and a second locking member screw-fittingly connected to the stopper, wherein a lower portion of the rim plate of the second locking member abuts against the pressing plate, and the second locking member has a plurality of members.
3. The jig for blade vibration fatigue test avoiding the generation of the ineffective member according to claim 2, wherein the second locking member is a set screw.
4. The clamp for testing the vibration fatigue of the blade avoiding the generation of the invalid member as claimed in claim 1, wherein the lower side of the sloping block is provided with a mounting part, and the mounting part is fixed with the chassis by a third locking member.
5. The jig for blade vibration fatigue test avoiding the generation of the ineffective member according to claim 4, wherein the third locking member is a screw.
6. The clamp for testing blade vibration fatigue to avoid generating useless parts according to claim 1, wherein the first fastening member is a bolt.
7. The clamp for testing the vibration fatigue of the blade for avoiding the generation of the invalid parts as claimed in claim 1, wherein a plurality of mounting holes are formed on the base plate.
8. The clamp for testing the vibration fatigue of the blade, which avoids generating the invalid part, as claimed in claim 1, wherein the pressing block is provided with a limiting groove, and the front part of the tenon of the test piece is positioned in the limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922385855.1U CN211121862U (en) | 2019-12-26 | 2019-12-26 | Avoid producing blade vibration fatigue test anchor clamps of invalid piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922385855.1U CN211121862U (en) | 2019-12-26 | 2019-12-26 | Avoid producing blade vibration fatigue test anchor clamps of invalid piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211121862U true CN211121862U (en) | 2020-07-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922385855.1U Active CN211121862U (en) | 2019-12-26 | 2019-12-26 | Avoid producing blade vibration fatigue test anchor clamps of invalid piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211121862U (en) |
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2019
- 2019-12-26 CN CN201922385855.1U patent/CN211121862U/en active Active
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