CN111879603B - Air cannon high-speed impact test tool for composite material plate and application method thereof - Google Patents
Air cannon high-speed impact test tool for composite material plate and application method thereof Download PDFInfo
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- CN111879603B CN111879603B CN202010941844.1A CN202010941844A CN111879603B CN 111879603 B CN111879603 B CN 111879603B CN 202010941844 A CN202010941844 A CN 202010941844A CN 111879603 B CN111879603 B CN 111879603B
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- 238000009863 impact test Methods 0.000 title claims abstract description 23
- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000012360 testing method Methods 0.000 claims abstract description 325
- 230000007306 turnover Effects 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 11
- 238000013016 damping Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
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- 238000005260 corrosion Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
- G01N3/307—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated by a compressed or tensile-stressed spring; generated by pneumatic or hydraulic means
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Abstract
本发明公开了一种复合材料板材的空气炮高速冲击测试工装及其应用方法，测试工装包括测试底座、试件放置平台和翻转扣板，测试底座的底部设有滑轨，试件放置平台可转动地设置在测试底座上，试件放置平台上设有第一试件测试窗口，第一试件测试窗口的两侧均设有跑道槽，跑道槽上可滑动地设置有试件固定组件，翻转扣板的一端铰接安装在试件放置平台上，翻转扣板的另一端与试件放置平台可拆卸地连接，翻转扣板上设有第二试件测试窗口，翻转扣板的内侧设有压框。该测试工装结构简单、操作方便，可方便地实现试件冲击角度、冲击位置的调整以及新试件的更换，实现试件的灵活调姿，提高试件的测试精度和测试效率。
The invention discloses an air cannon high-speed impact test tool for composite material plates and an application method thereof. The test tool includes a test base, a test piece placing platform and a flip gusset. The bottom of the test base is provided with a sliding rail, and the test piece placing platform can be The test piece is rotatably arranged on the test base, the test piece placing platform is provided with a first test piece test window, both sides of the first test piece test window are provided with runway grooves, and the test piece fixing components are slidably arranged on the runway grooves. One end of the flip gusset plate is hingedly mounted on the specimen placement platform, and the other end of the flip gusset plate is detachably connected to the test piece placement platform. Press the frame. The test fixture is simple in structure and easy to operate, and can easily adjust the impact angle and impact position of the test piece and replace the new test piece, realize the flexible attitude adjustment of the test piece, and improve the test accuracy and test efficiency of the test piece.
Description
Technical Field
The invention relates to the technical field of composite material high-speed impact testing, in particular to an air cannon high-speed impact testing tool for composite material plates and an application method thereof.
Background
The composite material has the characteristics of high specific strength, high specific stiffness, fatigue resistance, corrosion resistance and the like, and is widely applied to the fields of aerospace, high-speed trains, automobiles and the like. During the use of the composite material, the composite material is often impacted by foreign objects, such as birds, sand and the like, encountered during the running of high-speed trains. Therefore, the research on the high-speed impact performance of the air cannon made of the composite material plate is concerned, and the design and the use of the impact test tool play an important role.
At present, the test tool for the high-speed impact of the air cannon does not form a uniform standard. Impact frock to combined material panel still uses traditional upper and lower frame bolt to screw up clamping formula, all need dismantle the installation again when changing impact position, impact angle, change the appearance piece, greatly reduced test efficiency on the one hand, on the other hand is extremely inaccurate when changing the position, relies on experiential operation of experimenter entirely. Therefore, in order to improve the test efficiency, conveniently change the experimental sample piece, improve the accuracy of impact position and angle, need urgently to design a high-speed impact test frock of high-quality high-efficient, easy operation of air bubble.
Disclosure of Invention
The invention mainly aims to provide an air cannon high-speed impact test tool for composite material plates and an application method thereof, and aims to solve the problems that the existing air cannon high-speed impact test tool needs to be frequently disassembled when a test piece is replaced, the test efficiency is low, and the tool adjustment precision is difficult to guarantee when the impact position and the angle of the test piece are replaced.
In order to achieve the aim, the invention provides an air cannon high-speed impact test tool for composite material plates, which comprises a test base, test piece place the platform and upset buckle, the bottom of test base is equipped with the slide rail, test piece place the platform rotationally sets up on test base, the last first test piece test window that is equipped with of test piece place the platform, the both sides of first test piece test window all are equipped with a runway groove, be provided with the fixed subassembly of test piece that is used for fixing first test piece test window department with the test piece on the runway groove slidable, the articulated installation of one end of upset buckle is on test piece place the platform, the other end and the test piece place the platform detachably of upset buckle are connected, be equipped with second test piece test window on the upset buckle, the inboard of upset buckle is equipped with in second test piece test window department and is used for compressing tightly test piece pressure frame all around.
Furthermore, the test base is provided with a ring groove, a plurality of first positioning pin holes are uniformly distributed in the ring groove along the circumferential direction of the ring groove, the test piece placing platform is rotatably installed in the ring groove, a plurality of second positioning pin holes matched with the first positioning pin holes are formed in the test piece placing platform, and the test piece placing platform is fixedly connected with the test base through positioning pins penetrating through the first positioning pin holes and the second positioning pin holes.
Further, an angle scale is arranged on the annular groove along the circumferential direction of the annular groove.
Furthermore, a third test piece test window is arranged on the test base, and the annular groove is formed in the periphery of the third test piece test window.
Furthermore, a damping material plate is arranged at the bottom of the test base at the test window of the third test piece.
Further, the fixed subassembly of test piece includes first ejector pad and second ejector pad, and a bolt is all worn to establish by the both ends of first ejector pad and second ejector pad, is equipped with a nut in the below of first ejector pad and second ejector pad on the bolt, and bolt slidable ground sets up at the runway inslot.
Further, a graduated scale is arranged on the test piece placing platform along the sliding direction of the first push block and the second push block.
Furthermore, the one end of upset buckle is articulated through a buckle pivot and is installed on test piece place the platform, and the other end of upset buckle is equipped with a first locking screw, is equipped with on the test piece place the platform one with first locking screw assorted second locking screw, the upset buckle through one wear to locate the locking bolt in first locking screw and the second locking screw and can dismantle ground locking connection with test piece place the platform.
Furthermore, the test base is slidably arranged on the test fixing frame through the sliding rail, and a scale is arranged on the test fixing frame along the sliding direction of the test base.
According to another aspect of the invention, an application method of an air cannon high-speed impact test tool for composite material plates is provided, and the application method comprises the following steps:
mounting a test base of the test tool on a fixing frame of a test device through a slide rail, and moving the test base to adjust a test piece to a required position along the moving direction of the slide rail;
opening the turnover buckle plate, placing a test piece in a first test piece testing window of the test piece placing platform, moving the test piece fixing assembly to adjust the test piece to a required position along the moving direction of the runway groove, and then locking the test piece fixing assembly;
rotating the test piece placing platform along the annular groove, adjusting the test piece to a required angle, inserting positioning pins into the first positioning pin hole and the second positioning pin hole, and connecting and fixing the test piece placing platform and the test base;
and closing the turnover buckle plate, pressing the test piece through the pressing frame, screwing the locking bolt to enable the turnover buckle plate and the test piece placing platform to be locked and fixed, and installing a damping material plate at the bottom of the test base.
Compared with the prior art, the invention has the following beneficial effects:
(1) the test tool is simple in structure and convenient to operate, and can be used for quickly and accurately placing the test piece at the specified impact position.
(2) The test tool provided by the invention has the advantages that when the impact position of the test piece is changed along multiple directions, the movement stability is good, and the precision is high.
(3) When the impact angle of the test piece is changed, the annular groove is matched with the first positioning pin hole, the second positioning pin hole and the positioning pin fixing position, so that the test tool is simple and convenient to operate and high in precision control.
(4) According to the testing tool, the damping material plate is arranged at the bottom of the testing base, so that bullets can be recovered.
(5) The turnover buckle plate is adopted to limit the movement of the test piece, the pressing force is uniform, the test piece is convenient and quick to replace, and the test efficiency can be greatly improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic top view of a test fixture according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional structure diagram of a test fixture according to an embodiment of the present invention.
Fig. 3 is an exploded view of a test fixture according to an embodiment of the present invention.
Fig. 4 is a schematic top view of a test base in the test fixture according to the embodiment of the invention.
Fig. 5 is a schematic bottom view of a test base in the test tool according to the embodiment of the invention.
Fig. 6 is a schematic top view of a test piece placement platform in the test tool according to the embodiment of the present invention.
Fig. 7 is a schematic top view of the flip buckle in the test fixture according to the embodiment of the present invention.
Fig. 8 is a schematic view of an inner side structure of a flip buckle in the test fixture according to the embodiment of the invention.
Wherein the figures include the following reference numerals:
1. testing the base; 2. a test piece placement platform; 3. turning over the buckle plate; 4. positioning pins; 5. locking the bolt; 11. a slide rail; 12. an annular groove; 13. a first dowel hole; 14. a third test piece test window; 15. a damping material plate; 21. a first test piece test window; 22. a runway groove; 23. a test piece fixing assembly; 24. a second dowel hole; 31. a second test piece test window; 32. pressing the frame; 33. a pinch plate rotating shaft; 34. a first locking screw hole; 100. a test piece; 231. a first push block; 232. a second push block; 233. a bolt; 234. and a nut.
Detailed Description
In order to facilitate an understanding of the invention, the invention will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the invention is not limited to the specific embodiments below. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
Unless otherwise defined, all terms of art used hereinafter have the same meaning as commonly understood by one of ordinary skill in the art. The use of "first," "second," and similar terms in the description and in the claims of the present application do not denote any order, quantity, or importance, but rather the intention is to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" and "coupled" and the like are not restricted to direct connections, but may be indirectly connected through other intermediate connections. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
Referring to fig. 1 to 8, the test tool for the high-speed impact test of the air cannon of the composite material plate in the embodiment of the invention mainly comprises a test base 1, a test piece placing platform 2 and a turnover buckle plate 3. Wherein, the bottom of the testing base 1 is provided with a slide rail 11 for sliding connection with a fixing frame (not shown in the figure) of the testing device; the test piece placing platform 2 is rotatably arranged on the test base 1, a first test piece testing window 21 is arranged on the test piece placing platform 2, two sides of the first test piece testing window 21 are respectively provided with a runway groove 22, and a test piece fixing component 23 for fixing the test piece 100 at the first test piece testing window 21 is slidably arranged on the runway groove 22; the one end of upset buckle 3 is articulated to be installed on test piece place the platform 2, and the other end and the test piece place the platform 2 detachably of upset buckle 3 are connected, still are provided with second test piece test window 31 on the upset buckle 3, still are provided with in second test piece test window 31 department in the inboard of upset buckle 3 and are used for compressing tightly test piece 100 pressure frame 32 all around.
According to the air cannon high-speed impact test tool for the composite material plate, the slide rail 11 which is connected with the fixing frame of the test device in a sliding mode is arranged at the bottom of the test base 1, the test piece placing platform 2 is rotatably arranged on the test base 1, the runway grooves 22 are arranged on two sides of the first test piece testing window 21, the test piece fixing assembly 23 is arranged on the runway grooves 22 in a sliding mode and used for fixing the test piece 100 at the first test piece testing window 21, the test piece placing platform 2 is hinged and provided with the overturning buckle plate 3, the other end of the overturning buckle plate 3 is detachably connected with the test piece placing platform 2, and the pressing frame 32 is arranged on the inner side of the overturning buckle plate 3; when the impact position of the test piece 100 needs to be changed, the impact position of the test piece 100 can be changed only by moving the test base 1 along the moving direction of the slide rail 11 and moving the test piece fixing component 23 along the track groove 22; when the impact angle of the test piece 100 needs to be changed, only the test piece placing platform 2 needs to be rotated; when the test piece 100 needs to be replaced, the overturning buckle plate 3 is only required to be opened, the test piece fixing component 23 is loosened, the test piece fixing component 23 is fixed after the new test piece 100 is replaced, and the overturning buckle plate 3 is covered; the test tool is simple in structure and convenient to operate, and can quickly and accurately place the test piece 100 at an appointed impact position; the test piece 100 is replaced without frequently disassembling the tool, so that the test efficiency can be improved; when the impact position and the impact angle of the test piece 100 are changed, the operation is simple and convenient, and the precision is high.
Specifically, referring to fig. 3 and 4, in this embodiment, the test base 1 is provided with an annular groove 12, a plurality of first positioning pin holes 13 are uniformly distributed in the annular groove 12 along the circumferential direction of the annular groove 12, the test piece placement platform 2 is rotatably installed in the annular groove 12, a plurality of second positioning pin holes 24 matched with the first positioning pin holes 13 are formed in the test piece placement platform 2, and the test piece placement platform 2 is detachably connected and fixed with the test base 1 through positioning pins 4 penetrating through the first positioning pin holes 13 and the second positioning pin holes 24. So set up, when the impact angle that needs to change test piece 100, only need extract locating pin 4, with test piece place the platform 2 rotation to suitable angle in ring channel 12, then insert first locating pin hole 13 with locating pin 4 again and second locating pin hole 24 in with test piece place the platform 2 fix test base 1 can, it is very convenient to operate.
Referring to fig. 1, 3 and 6, three second positioning pin holes 24 are formed in the test piece placement platform 2 along the circumferential direction corresponding to the annular groove 12, and the three second positioning pin holes 24 are arranged in an equilateral triangle. Therefore, the test piece placing platform 2 and the test base 1 can be connected more stably, and the test precision after the angle is changed is improved.
Further, in the present embodiment, an angle scale (not shown in the drawings) is further provided on the annular groove 12 in the circumferential direction of the annular groove 12. When the impact angle of the test piece 100 is changed, the changed impact test angle can be more conveniently determined by the angle scale.
Referring to fig. 3 and 4, in the present embodiment, a third test piece testing window 14 is further disposed on the testing base 1, and the annular groove 12 is disposed on the periphery of the third test piece testing window 14; a damping material plate 15 is also mounted at the bottom of the test base 1 at the third test piece test window 14. When the test piece 100 is mounted on the test piece placement platform 2, the impact test area of the test piece 100 corresponds to the first test piece test window 21, the second test piece test window 31, and the third test piece test window 14, and the recovery of bullets can be realized through the damping material plate 15.
Specifically, referring to fig. 2, 3 and 6, in the present embodiment, the specimen fixing assembly 23 includes a first push block 231 and a second push block 232. Wherein, a bolt 233 is respectively arranged at two ends of the first pushing block 231 and the second pushing block 232 in a penetrating manner, a nut 234 is arranged below the first pushing block 231 and the second pushing block 232 on the bolt 233, and the bolt 233 is slidably arranged in the runway groove 22. When the position of the test piece 100 along the extending direction of the runway groove 22 needs to be adjusted, only the bolt 233 needs to be unscrewed, the test piece 100 is adjusted to a proper position, the first push block 231 and the second push block 232 slide to a proper position along the runway groove 22, and then the bolt 233 is screwed, so that the operation is convenient and fast.
Further, in order to more conveniently observe the moving position of the test piece 100 along the extending direction of the runway groove 22, a scale (not shown) is further provided on the test piece placement platform 2 along the sliding direction of the first push block 231 and the second push block 232. The position of the test piece 100 after moving in the extending direction of the raceway groove 22 can be easily observed by the scale.
Specifically, referring to fig. 2 and 3, in the present embodiment, one end of the flip buckle 3 is hinged to the specimen placing platform 2 through a buckle rotation shaft 33, and the other end of the flip buckle 3 is provided with a first locking screw hole 34; a second locking screw hole (not shown) matched with the first locking screw hole 34 is formed on the test piece placing platform 2; the turnover buckle plate 3 is detachably and tightly connected with the test piece placing platform 2 through a locking bolt 5 penetrating through the first locking screw hole and the second locking screw hole. After the impact angle and the impact position of the test piece 100 are determined, the periphery of the test piece 100 is covered by the turnover buckle plate 3, so that the impact area of the test piece 100 is in the range of the second test piece testing window 31; and a locking bolt 5 can be inserted into the first locking screw hole 34 and the second locking screw hole to press the test piece 100, so as to prevent the flip buckle 3 from being under-stressed.
In this embodiment, a graduated scale (not shown in the figure) is further disposed on the test fixing frame along the sliding direction of the test base 1, so as to facilitate observation and determination of the moving position of the test base 1 along the test fixing frame.
The application method of the air cannon high-speed impact test tool for the composite material plate comprises the following steps:
mounting a test base 1 of a test tool on a fixing frame of a test device through a slide rail 11, and moving the test base 1 to adjust a test piece 100 to a required position along the moving direction of the slide rail 11;
opening the turnover buckle plate 3, placing the test piece 100 in the first test piece test window 21 of the test piece placing platform 2, moving the first push block 231 and the second push block 232 along the runway groove 22, adjusting the test piece 100 to a required position along the moving direction of the runway groove 22, then screwing the bolt 233, and fixing the test piece 100 through the first push block 231 and the second push block 232;
rotating the test piece placing platform 2 along the annular groove 12, adjusting the test piece 100 to a required impact angle, inserting the positioning pin 4 into the first positioning pin hole 13 and the second positioning pin hole 24, and connecting and fixing the test piece placing platform 2 and the test base 1;
closing the turnover buckle plate 3, tightly pressing the periphery of the test piece 100 through the pressing frame 32, tightening the locking bolt 5 to enable the turnover buckle plate 3 and the test piece placing platform 2 to be locked and fixed, and installing a damping material plate 15 at the bottom of the test base 1 at the third test piece test window 14;
when a new test piece 100 needs to be replaced, the turnover buckle plate 3 is opened, the first push block 231 and the second push block 232 are loosened, the first push block 231 and the second push block 232 are screwed after the new turnover buckle plate 3 is replaced, and then the turnover buckle plate 3 is covered;
when the impact angle of the test piece 100 needs to be changed, the test piece placing platform 2 only needs to rotate to a proper angle in the annular groove 12, then the positioning pin 4 is inserted into the first positioning pin hole 13 and the second positioning pin hole 24, and the test piece placing platform 2 and the test base 1 are connected and fixed;
when the impact position of the test piece 100 needs to be changed, the test base 1 is moved to a certain position relative to the fixing frame of the test device along the moving direction of the slide rail 11 and/or the first push block 231 and the second push block 232 are adjusted to move the test piece 100 to a certain position along the runway groove 22 and then fixed.
In general, the air cannon high-speed impact test tool for the composite material plate has a simple structure, is convenient to operate, and can quickly and accurately place the test piece 100 at an appointed impact position; the test piece 100 has good movement stability and high precision when changing the impact position along multiple directions; when the impact angle of the test piece 100 is changed, the annular groove 12 is matched with the positioning pin 4 to fix the position, so that the operation is simple and convenient, and the precision control is high; the recovery of bullets can be realized by installing the damping material plate 15 at the bottom of the test base 1; the test tool limits the movement of the test piece 100 by adopting the turnover buckle plate 3 and the pressing frame 32, has uniform pressing force, is convenient and quick to replace the test piece 100, and can greatly improve the test efficiency. The test tool can conveniently realize the adjustment of the impact angle and the impact position of the test piece 100 and the replacement of a new test piece 100, realize the flexible posture adjustment of the test piece 100 and improve the test precision and the test efficiency of the test piece 100.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The air cannon high-speed impact test tool for the composite material plate is characterized by comprising a test base (1), a test piece placing platform (2) and a turnover buckle plate (3), wherein a slide rail (11) is arranged at the bottom of the test base (1), the test piece placing platform (2) is rotatably arranged on the test base (1), a first test piece test window (21) is arranged on the test piece placing platform (2), two sides of the first test piece test window (21) are respectively provided with a runway groove (22), a test piece fixing component (23) used for fixing a test piece (100) at the first test piece test window (21) is slidably arranged on the runway groove (22), one end of the turnover buckle plate (3) is hinged and arranged on the test piece placing platform (2), and the other end of the turnover buckle plate (3) is detachably connected with the test piece placing platform (2), a second test piece testing window (31) is arranged on the turnover buckle plate (3), and a pressing frame (32) used for pressing the periphery of the test piece (100) is arranged on the inner side of the turnover buckle plate (3) and at the position of the second test piece testing window (31); the test base (1) is provided with an annular groove (12), a plurality of first positioning pin holes (13) are uniformly distributed in the annular groove (12) along the circumferential direction of the annular groove (12), the test piece placing platform (2) is rotatably installed in the annular groove (12), a plurality of second positioning pin holes (24) matched with the first positioning pin holes (13) are formed in the test piece placing platform (2), and the test piece placing platform (2) is fixedly connected with the test base (1) through positioning pins (4) penetrating through the first positioning pin holes (13) and the second positioning pin holes (24); a third test piece testing window (14) is arranged on the testing base (1), and the annular groove (12) is arranged on the periphery of the third test piece testing window (14); a damping material plate (15) is arranged at the position, on the third test piece test window (14), of the bottom of the test base (1); the test piece fixing assembly (23) comprises a first push block (231) and a second push block (232), a bolt (233) is arranged at each of two ends of the first push block (231) and the second push block (232) in a penetrating mode, a nut (234) is arranged below the first push block (231) and the second push block (232) on the bolt (233), and the bolt (233) is arranged in the runway groove (22) in a sliding mode.
2. The air cannon high-speed impact test tool for the composite material plates as recited in claim 1, wherein an angle scale is arranged on the annular groove (12) along the circumferential direction of the annular groove (12).
3. The air cannon high-speed impact test tool for composite material plates as claimed in claim 1, wherein a graduated scale is arranged on the test piece placement platform (2) along the sliding direction of the first push block (231) and the second push block (232).
4. The air cannon high-speed impact test tool for composite material plates according to any one of claims 1-3, wherein one end of the turnover buckle plate (3) is hinged to the test piece placing platform (2) through a buckle plate rotating shaft (33), the other end of the turnover buckle plate (3) is provided with a first locking screw hole (34), the test piece placing platform (2) is provided with a second locking screw hole matched with the first locking screw hole (34), and the turnover buckle plate (3) is detachably locked and connected with the test piece placing platform (2) through a locking bolt (5) penetrating through the first locking screw hole (34) and the second locking screw hole.
5. The air cannon high-speed impact test tool for composite material plates according to any one of claims 1-3, wherein the test base (1) is slidably arranged on a test fixing frame through the slide rail (11), and a graduated scale is arranged on the test fixing frame along the sliding direction of the test base (1).
6. The application method of the air cannon high-speed impact test tool for the composite material plate as claimed in any one of claims 1 to 5, characterized by comprising the following steps:
mounting a test base (1) of the test tool on a fixing frame of a test device through a slide rail (11), and moving the test base (1) to adjust a test piece (100) to a required position along the moving direction of the slide rail (11);
opening the turnover buckle plate (3), placing the test piece (100) in a first test piece testing window (21) of the test piece placing platform (2), moving the test piece fixing component (23) to adjust the test piece (100) to a required position along the moving direction of the runway groove (22), and then locking the test piece fixing component (23);
rotating the test piece placing platform (2) along the annular groove (12), adjusting the test piece (100) to a required angle, inserting a positioning pin (4) into the first positioning pin hole (13) and the second positioning pin hole (24), and connecting and fixing the test piece placing platform (2) and the test base (1);
closing the turnover buckle plate (3), pressing the test piece (100) through the pressing frame (32), screwing the locking bolt (5) to lock and fix the turnover buckle plate (3) and the test piece placing platform (2), and installing the damping material plate (15) at the bottom of the test base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010941844.1A CN111879603B (en) | 2020-09-09 | 2020-09-09 | Air cannon high-speed impact test tool for composite material plate and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010941844.1A CN111879603B (en) | 2020-09-09 | 2020-09-09 | Air cannon high-speed impact test tool for composite material plate and application method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111879603A CN111879603A (en) | 2020-11-03 |
| CN111879603B true CN111879603B (en) | 2021-10-26 |
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| CN100578651C (en) * | 2006-03-14 | 2010-01-06 | 深圳易拓科技有限公司 | Hard Drive Rail Mounting Clamp |
| CN102109427B (en) * | 2010-12-20 | 2012-07-04 | 周立富 | Multifunctional hydraulic clamping device for round and square billet samples |
| CN202034587U (en) * | 2011-01-06 | 2011-11-09 | 番禺得意精密电子工业有限公司 | Electric connector |
| US10215674B2 (en) * | 2016-07-15 | 2019-02-26 | The Boeing Company | Device for measuring the dynamic stress/strain response of ductile materials |
| CN106940275B (en) * | 2017-03-22 | 2023-09-19 | 南京航空航天大学 | A plate fixture platform for drop weight impact test and impact speed measurement method |
| CN207095814U (en) * | 2017-06-13 | 2018-03-13 | 西安工业大学 | Simulate target dynamic characteristic test system under the military-civil equipment strong impact environment of high speed |
| CN109443958A (en) * | 2019-01-14 | 2019-03-08 | 华东交通大学 | A kind of drop hammer type low velocity impact testing stand |
| CN211179360U (en) * | 2019-11-25 | 2020-08-04 | 洛阳黎明检测服务有限公司 | High-precision paint film impactor |
| CN111257106B (en) * | 2020-02-10 | 2021-04-06 | 南京航空航天大学 | A high-speed impact test fixture for composite laminates |
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