CN215492317U - Propeller blade rigidity test device - Google Patents
Propeller blade rigidity test device Download PDFInfo
- Publication number
- CN215492317U CN215492317U CN202121195684.7U CN202121195684U CN215492317U CN 215492317 U CN215492317 U CN 215492317U CN 202121195684 U CN202121195684 U CN 202121195684U CN 215492317 U CN215492317 U CN 215492317U
- Authority
- CN
- China
- Prior art keywords
- clamp
- test
- hole
- blade
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a propeller blade rigidity test device, which comprises: a blade clamp and an auxiliary test component; the blade clamp comprises a clamp body and a blade fixing part; the paddle fixing parts are arranged in groups and are provided with a plurality of groups, each group of the paddle fixing parts can move on the paddle clamp, and the distance between contacts can be adjusted; one side of the auxiliary test component is detachably mounted on the test component mounting structure, blades of different airfoil shapes can be clamped and fixed in a targeted manner by adjusting the distance between the contacts, and the application range is greatly improved; after the contact is worn, only the worn contact needs to be replaced independently, so that the test cost is greatly reduced; in the test switching process, the clamp body does not need to be disassembled and reassembled, the time required by the test is greatly shortened, the test efficiency is improved, and the labor intensity of testers is greatly reduced.
Description
Technical Field
The utility model relates to the field of test devices, in particular to a rigidity test device applied to a propeller blade.
Background
Currently, the JL-4 series propeller products require blade stiffness testing. A load-applying tooling fixture is needed. The clamp is well attached to a working surface and a non-working surface of the section of the blade to be measured, and the surface of the blade is guaranteed not to be damaged.
However, the traditional test mode measures the waving rigidity and the torsional rigidity of the helical blade, the clamps of various models are required to be used according to the difference between the clamping position and the product model, and the contact surface of the clamp and the helical blade needs to be replaced by a new clamp once frictional deformation occurs, otherwise, the clamping stability is lacked, the problems of slippage and the like occur, the test precision is influenced, the cost is extremely high, and the steps are complicated and the test efficiency is influenced due to the fact that the clamps for testing the waving rigidity and the torsional rod rigidity in the test process are different and need to be disassembled and replaced.
Therefore, how to provide a testing device capable of reducing the testing cost and the testing operation efficiency is a problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a device for testing stiffness of a propeller blade, which at least partially solves one of the above-mentioned problems in the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a propeller blade stiffness test apparatus comprising: a blade clamp and an auxiliary test component; the blade clamp comprises a clamp body and a blade fixing part;
the middle part of the clamp body is provided with a clamp cavity, the bottom of the clamp body is provided with a hoisting structure, and the side wall of the clamp body is provided with a test part mounting structure; the paddle fixing parts are arranged in groups and are provided with a plurality of groups, each group of the paddle fixing parts are oppositely arranged at the top and the bottom of the fixture body, contact parts of the paddle fixing parts penetrate into the fixture cavity, each group of the paddle fixing parts can move on the paddle fixture, and the distance between the contacts can be adjusted;
one side of the auxiliary test member is detachably mounted on the test member mounting structure.
Preferably, in the above device for testing rigidity of a propeller blade, the top and the bottom of the fixture body are provided with fixing member mounting structures, and a plurality of sets of the blade fixing members are movably mounted on the fixing member mounting structures.
Preferably, in the above device for testing the rigidity of the propeller blade, the fixing member mounting structure is a strip-shaped adjusting hole;
the paddle fixing part is a mandril assembly, and the mandril assembly comprises a rod body, a contact structure and a limiting nut; the outer wall of the rod body is provided with threads, the contact structure is detachably installed at the end part of the rod body and penetrates into the clamp cavity, and the limiting nut is screwed in the clamp cavity, is arranged on the rod body and is abutted to the inner wall of the clamp cavity.
Preferably, in the above device for testing the rigidity of the propeller blade, the contact structure includes a connecting seat, a contact and a connecting bolt; the connecting seat is a cylindrical barrel with an opening at one end, threads are arranged on the barrel wall, a through hole is formed in the barrel bottom, a stud is arranged at the connecting end of the contact and screwed into the cylindrical barrel, the connecting bolt penetrates into the cylindrical barrel, and the screw rod part of the connecting bolt penetrates out of the through hole;
the two ends of the rod body are respectively provided with a limiting end and a contact connecting end correspondingly, the contact connecting end is provided with a threaded hole, and the screw rod part of the connecting bolt is screwed into the threaded hole.
Preferably, in the above device for testing rigidity of a propeller blade, the tip portion of the contact is made of nylon.
Preferably, in the above propeller blade rigidity test device, the hoisting structure is a hoisting hole;
the test component mounting structure is a threaded hole, and the auxiliary test component is screwed on the threaded hole through a bolt.
Preferably, in the above propeller blade stiffness test apparatus, the auxiliary test member is an L-shaped mounting plate, and a reinforcing rib plate is provided on an inner side of the L-shaped mounting plate; one side plate of the L-shaped mounting plate is a mounting plate, a limiting hole is formed in the plate surface, and a weight hoisting hole is formed in the end part of the other side plate;
the mounting plate is detachably fixed on the test component mounting structure of the fixture body through bolts.
Preferably, in the above propeller blade rigidity test device, the limiting hole is a strip-shaped hole, and the diameter of the end of the strip-shaped hole is different in size.
According to the technical scheme, compared with the prior art, the utility model discloses and provides a propeller blade rigidity testing device, which has the advantages that:
the blade clamp consists of a clamp body and a plurality of groups of blade fixing parts, the plurality of groups of blade fixing parts penetrate into the clamp body and can move on the clamp body, the blade clamp can be adjusted according to different blade profiles, and the space between contacts of each group of blade fixing parts can be adjusted, so that blades of different profiles can be clamped and fixed in a targeted manner, therefore, the blade clamp can be suitable for clamping and fixing propeller blades of various models, and the application range is greatly improved;
the paddle fixing part adopts a push rod structure, and the contact of the paddle fixing part is made of nylon, so that the damage to the propeller paddle in the test process can be effectively reduced, and only the worn contact needs to be replaced independently after the contact is worn, so that the test cost is greatly reduced;
be provided with hoisting structure and test part mounting structure on the anchor clamps body, when the test wave rigidity, can be according to the experimental required test weight of test project direct hoist and mount on hoisting mechanism, when needing test torsional rigidity, only need detach hoisting mechanism's test weight, and install the auxiliary test part on test part mounting structure, and can test at the experimental weight of the tip installation of auxiliary test part, switch the in-process in the experiment, need not to dismantle and the anchor clamps body of reassembly, experimental required time has by a wide margin been reduced, the efficiency of the experiment has been promoted, simultaneously to a great extent has reduced testing personnel's intensity of labour.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of an assembled structure of a fixture body and an auxiliary test part according to the present invention;
FIG. 2 is a bottom view of the clamp body of the present invention;
FIG. 3 is a side view of the clamp body of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 1;
FIG. 5 is a test chart of an auxiliary test unit according to the present invention.
Reference numerals
The device comprises a blade clamp 1, a clamp body 10, a hoisting structure 100, a test part mounting structure 101, a fixed part mounting structure 102, a blade fixed part 11, a rod body 110, a contact structure 111, a connecting seat 1110, a contact 1111, a connecting bolt 1112 and a limit nut 112;
the auxiliary test part 2, the limiting hole 20 and the weight hoisting hole 21.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-5, the present invention provides a device for testing stiffness of a propeller blade, comprising: a blade clamp 1 and an auxiliary test part 2; the blade clamp 1 comprises a clamp body 10 and a blade fixing part 11;
the middle part of the fixture body 10 is provided with a fixture cavity, the bottom of the fixture cavity is provided with a hoisting structure 100, and the side wall of the fixture cavity is provided with a test part mounting structure 101; the paddle fixing parts 11 are arranged in groups and are provided with a plurality of groups, each group of paddle fixing parts 11 are oppositely arranged at the top and the bottom of the clamp body 10, the contacts 1111 of each group of paddle fixing parts 11 penetrate into the clamp cavity, each group of paddle fixing parts 11 can move on the paddle clamp 1, and the distance between the contacts 1111 can be adjusted;
one side of the auxiliary test member 2 is detachably mounted on the test member mounting structure 101.
In order to further optimize the above technical solution, the top and bottom of the fixture body 10 are provided with fixing part mounting structures 102, and a plurality of sets of blade fixing parts 11 are movably mounted on the fixing part mounting structures 102.
In order to further optimize the above technical solution, the fixing member mounting structure 102 is a strip-shaped adjusting hole;
the blade fixing part 11 is a mandril assembly, and the mandril assembly comprises a rod body 110, a contact structure 111 and a limit nut 112; the outer wall of the rod body 110 is provided with threads, the contact structure 111 is detachably mounted at the end part of the rod body 110 and penetrates into the clamp cavity, and the limit nut 112 is screwed on the rod body 110 in the clamp cavity and is abutted against the inner wall of the clamp cavity.
In order to further optimize the above technical solution, the contact structure 111 includes a connection seat 1110, a contact 1111 and a connection bolt 1112; the connecting seat 1110 is a cylindrical barrel with an opening at one end, the barrel wall is provided with threads, the barrel bottom is provided with a through hole, the connecting end of the contact 1111 is provided with a stud and screwed into the cylindrical barrel, the connecting bolt 1112 penetrates into the cylindrical barrel, and the screw rod part of the connecting bolt penetrates out of the through hole;
two ends of the rod body 110 are respectively corresponding to a limiting end and a contact 1111 connecting end, the contact 1111 connecting end is provided with a threaded hole, and a screw rod part of the connecting bolt 1112 is screwed into the threaded hole.
In order to further optimize the technical scheme, the top head part of the contact 1111 is made of nylon.
In order to further optimize the technical scheme, the hoisting structure 100 is a hoisting hole;
the test member mounting structure 101 is a threaded hole, and the auxiliary test member 2 is screwed to the threaded hole by a bolt.
In order to further optimize the technical scheme, the auxiliary test component 2 is an L-shaped mounting plate, and a reinforcing rib plate is arranged on the inner side of the L-shaped mounting plate; one side plate of the L-shaped mounting plate is a mounting plate, a limiting hole 20 is formed in the plate surface, and a weight hoisting hole 21 is formed in the end part of the other side plate;
the mounting plate is detachably fixed to the test part mounting structure 101 of the jig body 10 by bolts.
In order to further optimize the technical scheme, the limiting holes are strip-shaped holes, and the diameters of the end parts of the strip-shaped holes are different in size.
Specifically, the use method of the scheme is that before testing, the clamp body 10 is sleeved to a test position outside the propeller blade, the contact 1111 is abutted to the outer wall of the propeller blade, the other end of the rod body 110 penetrates out of the fixing part mounting structure 102, the limiting bolt 112 is rotated until the other end of the rod body abuts to the inner wall of the clamp body, and the steps are repeated to fix the clamp body 110 on the propeller blade;
when the waving rigidity is measured, a weight device required by the test is hoisted at the bottom of the clamp body 10 for measurement;
when measuring torsional rigidity, pull down the weight device under the anchor clamps body 10, install auxiliary test part 2 on the anchor clamps body 10 to install the weight device on auxiliary test part 2 and test, whole test process need not to dismantle anchor clamps body 10 repeatedly, has promoted test efficiency by a wide margin.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. A propeller blade rigidity test device is characterized by comprising: the test device comprises a blade clamp (1) and an auxiliary test part (2); the blade clamp (1) comprises a clamp body (10) and a blade fixing part (11);
a clamp cavity is arranged in the middle of the clamp body (10), a hoisting structure (100) is arranged at the bottom of the clamp cavity, and a test part mounting structure (101) is arranged on the side wall of the clamp cavity; the paddle fixing parts (11) are arranged in groups and are provided with a plurality of groups, each group of the paddle fixing parts (11) are oppositely arranged at the top and the bottom of the clamp body (10), the contacts (1111) of each group of the paddle fixing parts penetrate into the clamp cavity, each group of the paddle fixing parts (11) can move on the paddle clamp (1), and the distance between the contacts (1111) can be adjusted;
one side of the auxiliary test component (2) is detachably mounted on the test component mounting structure (101).
2. A propeller blade stiffness testing device according to claim 1, wherein the top and bottom of the clamp body (10) are provided with fixing member mounting structures (102), and a plurality of sets of the blade fixing members (11) are movably mounted on the fixing member mounting structures (102).
3. A propeller blade stiffness test device according to claim 2, wherein the fixing member mounting structure (102) is a strip-shaped adjustment hole;
the paddle fixing part (11) is a push rod assembly, and the push rod assembly comprises a rod body (110), a contact structure (111) and a limiting nut (112); the outer wall of the rod body (110) is provided with threads, the contact structure (111) is detachably mounted at the end part of the rod body (110) and penetrates into the clamp cavity, and the limiting nut (112) is screwed in the clamp cavity on the rod body (110) and abutted against the inner wall of the clamp cavity.
4. A propeller blade stiffness test device according to claim 3 wherein the contact structure (111) comprises a connection socket (1110), a contact (1111) and a connection bolt (1112); the connecting seat (1110) is a cylindrical barrel with an opening at one end, threads are arranged on the barrel wall, a through hole is formed in the barrel bottom, a stud is arranged at the connecting end of the contact (1111) and screwed into the cylindrical barrel, the connecting bolt (1112) penetrates into the cylindrical barrel, and the screw part of the connecting bolt penetrates out of the through hole;
the both ends of body of rod (110) correspond respectively for spacing end and contact (1111) link, threaded hole is opened to contact (1111) link, the screw rod part screw in of connecting bolt (1112) the screw hole.
5. A propeller blade stiffness test device according to claim 4, wherein the hoisting structure (100) is a hoisting hole;
the test component mounting structure (101) is a threaded hole, and the auxiliary test component (2) is screwed on the threaded hole through a bolt.
6. The propeller blade stiffness testing device according to claim 1, wherein the auxiliary testing component (2) is an L-shaped mounting plate, and a reinforcing rib plate is arranged on the inner side of the L-shaped mounting plate; one side plate of the L-shaped mounting plate is a mounting plate, a limiting hole (20) is formed in the plate surface, and a weight hoisting hole (21) is formed in the end part of the other side plate;
the mounting plate is detachably fixed on the test component mounting structure (101) of the fixture body (10) through bolts.
7. The propeller blade rigidity testing device according to claim 6, wherein the limiting hole is a strip-shaped hole, and the diameter of the end part of the strip-shaped hole is different in size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121195684.7U CN215492317U (en) | 2021-05-31 | 2021-05-31 | Propeller blade rigidity test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121195684.7U CN215492317U (en) | 2021-05-31 | 2021-05-31 | Propeller blade rigidity test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215492317U true CN215492317U (en) | 2022-01-11 |
Family
ID=79781466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121195684.7U Active CN215492317U (en) | 2021-05-31 | 2021-05-31 | Propeller blade rigidity test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215492317U (en) |
-
2021
- 2021-05-31 CN CN202121195684.7U patent/CN215492317U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215492317U (en) | Propeller blade rigidity test device | |
| CN115420443A (en) | Propeller blade rigidity test device | |
| CN209754970U (en) | Clamping device for rigidity measurement of stabilizer bar | |
| CN214067710U (en) | Embedded industrial personal computer | |
| CN214212265U (en) | Special clamp for finish machining of turbine shaft | |
| CN212794816U (en) | Pin puller | |
| CN212887316U (en) | Industrial sideslip chain mounting tool | |
| CN211331964U (en) | Frock clamp of pipe fitting spare part processing usefulness | |
| CN210500096U (en) | Check tool buckle mechanism convenient and quick to detach | |
| CN218317021U (en) | Temporary support convenient to disassemble | |
| CN220636916U (en) | Solar photovoltaic cable connector assembling tool | |
| CN217688301U (en) | Tensile frock of resistance welding test piece | |
| CN214998589U (en) | Mechanical pneumatic push rod convenient to install for mechanical design | |
| CN215894245U (en) | Auxiliary tool for battery cavity pressing test | |
| CN219608594U (en) | Frock is used in withstand voltage test of battery utmost point post | |
| CN214352146U (en) | Third-generation hub bearing gear ring dismounting tool | |
| CN220196922U (en) | Gear box processing jig | |
| CN214640040U (en) | A frock clamp that is used for aircraft large wing anti-icing valve to repair | |
| CN216082271U (en) | Elastomer dynamic fatigue testing machine | |
| CN219008136U (en) | Horizontal tail assembly fixture | |
| CN211652943U (en) | Motor stalling test fixture and test device | |
| CN216803202U (en) | Assembly tool | |
| CN218904236U (en) | Dismounting tool for pin shaft of large instrument | |
| CN216718009U (en) | Bolt tensile load test tool | |
| CN212445535U (en) | DEGAS equipment is with fast-assembling thorn knife rest |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |