CN107356390A - A kind of thin plate vibration laboratory holder - Google Patents
A kind of thin plate vibration laboratory holder Download PDFInfo
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- CN107356390A CN107356390A CN201710695122.0A CN201710695122A CN107356390A CN 107356390 A CN107356390 A CN 107356390A CN 201710695122 A CN201710695122 A CN 201710695122A CN 107356390 A CN107356390 A CN 107356390A
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- 238000002474 experimental method Methods 0.000 claims abstract description 22
- 238000012360 testing method Methods 0.000 claims abstract description 15
- 239000011120 plywood Substances 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 60
- 229910052782 aluminium Inorganic materials 0.000 claims description 60
- 230000000694 effects Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims 1
- 238000011089 mechanical engineering Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/027—Specimen mounting arrangements, e.g. table head adapters
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Abstract
本发明公开了一种薄板振动实验夹具，属于机械工程振动实验技术领域，包括第一层固定件、第二层固定件，第一层固定件和第二层固定件之间设有中间层支撑件、第二层固定件上方设有下层夹板，下层夹板和上层夹板之间放置实验薄板，三角形固定板在上层夹板四个顶角处，各部分之通过角件和T型螺栓连接。本发明中实验薄板通过上下层夹板与第二层固定件的销孔固定，薄板四周实现可靠的固支条件，便于薄板进行各种振动实验，同时下层夹板能够减少实验夹具内部的振动对振动实验的影响；此外，实验夹具采用分体式结构，可以通过调整夹具各结构件的布置，满足不同尺寸的薄板振动实验要求，具有一定的通用性。
The invention discloses a thin-plate vibration experiment fixture, which belongs to the technical field of mechanical engineering vibration experiments, and comprises a first-layer fixing part and a second-layer fixing part, and an intermediate layer support is arranged between the first-layer fixing part and the second-layer fixing part There is a lower plywood above the upper part and the second layer of fixed parts. The experimental thin plate is placed between the lower plywood and the upper plywood. The triangular fixed plate is at the four corners of the upper plywood. The parts are connected by corner pieces and T-bolts. In the present invention, the experimental thin plate is fixed by the upper and lower splints and the pin holes of the second layer of fixing parts. Reliable support conditions are realized around the thin plate, which is convenient for the thin plate to perform various vibration experiments. At the same time, the lower splint can reduce the impact of vibration inside the test fixture on the vibration experiment In addition, the experimental fixture adopts a split structure, which can meet the vibration test requirements of thin plates of different sizes by adjusting the arrangement of the structural parts of the fixture, which has certain versatility.
Description
技术领域technical field
本发明涉及机械工程振动实验技术领域，是一种薄板振动实验夹具。The invention relates to the technical field of mechanical engineering vibration experiments, and relates to a fixture for thin plate vibration experiments.
背景技术Background technique
随着航空航天、船舶和车辆等机械行业的发展，振动问题越来越受到重视。作为研究振动问题的重要手段，振动实验被普遍地采用。振动夹具作为振动实验的关键环节，关系到实验的成败。传统的薄板振动实验夹具为了满足支撑强度及固支条件的需要，多采用钢材设计成固定的箱形结构，由于其重量较高，结构复杂且无法针对实验板的大小做有效调节，缺乏通用性所以一直未能得到广泛应用。夹具的生产加工耗时耗力，而且需要大量的资金投入，如果一种夹具可以满足多种实验工况的要求，就能极大地节约振动实验的成本。With the development of mechanical industries such as aerospace, ships and vehicles, vibration issues have been paid more and more attention. As an important means of studying vibration problems, vibration experiments are widely used. As the key link of vibration experiment, vibration fixture is related to the success or failure of the experiment. In order to meet the needs of supporting strength and fixing conditions, the traditional thin plate vibration test fixture is mostly designed with steel as a fixed box structure. Due to its high weight, complex structure and inability to effectively adjust the size of the test plate, it lacks versatility So it has not been widely used. The production and processing of the fixture is time-consuming and labor-intensive, and requires a lot of capital investment. If a fixture can meet the requirements of various experimental conditions, the cost of vibration experiments can be greatly saved.
发明内容Contents of the invention
本发明的目的在于克服传统薄板振动实验夹具的不足，通过引入轻型的铝合金型材，提供了一种通用性强、质量轻、刚性好且安装方便的薄板振动实验夹具，增强了传统夹具的实用性。The purpose of the present invention is to overcome the shortcomings of the traditional thin-plate vibration test fixture. By introducing light-weight aluminum alloy profiles, a thin-plate vibration test fixture with strong versatility, light weight, good rigidity and easy installation is provided, which enhances the practicality of the traditional fixture. sex.
为了达到上述目的，本发明的技术方案如下：In order to achieve the above object, technical scheme of the present invention is as follows:
一种薄板振动实验夹具，包括第一层固定件1、角件2、中间层支撑件3、第二层固定件4、下层夹板5、实验薄板6、上层夹板7、三角形固定板8、紧固螺栓9、垫片10、T型螺栓11、法兰螺母12，能够满足不同材质、不同尺寸的实验薄板6振动实验要求。A thin plate vibration test fixture, comprising a first layer of fixing parts 1, corner parts 2, middle layer support parts 3, second layer of fixing parts 4, a lower splint 5, an experimental thin plate 6, an upper splint 7, a triangular fixing plate 8, a tight The fastening bolts 9, gaskets 10, T-shaped bolts 11, and flange nuts 12 can meet the vibration experiment requirements of the experimental thin plates 6 of different materials and sizes.
所述的第一层固定件1为方形，固定于实验台上，包括4根铝型材，4根铝型材围成的方形区域大小可调，方形区域根据实验薄板6的大小确定，激振机位于该方形区域内。所述的铝型材之间通过角件2固定连接，即角件2位于两根相互垂直的铝型材的直角处，T型螺栓11的T型端穿过角件2凹槽后嵌入到铝型材的滑道中，T型螺栓11的另一端用法兰螺母12固定。The first layer of fixture 1 is square, fixed on the test bench, including 4 aluminum profiles, the size of the square area surrounded by the 4 aluminum profiles is adjustable, the square area is determined according to the size of the experimental thin plate 6, the vibration machine within this square area. The aluminum profiles are fixedly connected by corner fittings 2, that is, the corner fittings 2 are located at the right angles of two mutually perpendicular aluminum profiles, and the T-shaped ends of the T-shaped bolts 11 are inserted into the aluminum profiles after passing through the grooves of the corner fittings 2. In the slideway, the other end of T-bolt 11 is fixed with flange nut 12.
所述的中间层支撑件3包括多根互相平行的铝型材，中间层支撑件3的铝型材垂直设置于第一层固定件1和第二层固定件4之间，铝型材之间通过角件2固定连接。中间层支撑件3的铝型材数量在满足支撑强度的前提下，根据实验薄板6的振动特性而定，避免实验夹具固有频率对薄板振动实验的影响，即通过改变铝型材的数量及位置，调节实验夹具的固有频率，使之远离实验薄板6的固有频率，减少其对振动实验的影响。根据不同激振机的高度，通过使用不同高度中间层支撑件3中的铝型材，调节实验夹具高度。The intermediate layer support 3 includes a plurality of aluminum profiles parallel to each other, the aluminum profiles of the intermediate layer support 3 are vertically arranged between the first layer of fixing parts 1 and the second layer of fixing parts 4, and the aluminum profiles pass through corners Piece 2 is fixedly connected. The number of aluminum profiles of the middle layer support 3 is determined according to the vibration characteristics of the experimental sheet 6 under the premise of satisfying the support strength, so as to avoid the influence of the natural frequency of the experimental fixture on the vibration experiment of the sheet, that is, by changing the number and position of the aluminum profiles, adjust The natural frequency of the experimental fixture is kept away from the natural frequency of the experimental thin plate 6 to reduce its influence on the vibration experiment. According to the height of different exciters, the height of the experimental fixture is adjusted by using aluminum profiles in the middle layer supports 3 of different heights.
所述的第二层固定件4为方形，位于中间层支撑件3上方，包括4根铝型材，第二层固定件4中4根铝型材围成的方形区域与第一层固定件1中4根铝型材围成的方形区域大小相同；铝型材之间通过角件2固定连接。The second layer of fixing parts 4 is square, located above the middle layer of supporting parts 3, including 4 aluminum profiles, the square area surrounded by the 4 aluminum profiles in the second layer of fixing parts 4 and the first layer of fixing parts 1 The square area surrounded by four aluminum profiles is of the same size; the aluminum profiles are fixedly connected by corner fittings 2 .
所述的下层夹板5、上层夹板7的形状、大小均与第二层固定件4围成的方形区域相同，下层夹板5位于第二层固定件4上方，实验薄板6放置于下层夹板5和上层夹板7之间；上层夹板7厚度大于下层夹板5，重量较大因而可以提高夹具的固支效果。所述的上层夹板7、下层夹板5材质为铝板或者钢板。The shape and size of the lower splint 5 and the upper splint 7 are the same as the square area surrounded by the second layer of fixtures 4, the lower splint 5 is located above the second floor of the fixture 4, and the experimental sheet 6 is placed on the lower splint 5 and Between the upper splints 7; the thickness of the upper splint 7 is greater than that of the lower splint 5, and the weight is larger so that the fixing effect of the clamp can be improved. The materials of the upper plywood 7 and the lower plywood 5 are aluminum plate or steel plate.
所述的第二层固定件4中的各铝型材上、下层夹板5、实验薄板6、上层夹板7上均开有销孔，下层夹板5、实验薄板6、上层夹板7通过紧固螺栓9固定在第二层固定件4的铝型材上。具体为：紧固螺栓9从上到下依次通过销孔贯穿上层夹板7、实验薄板6、下层夹板5和第二层固定件4对应的4根铝型材，并使用垫片10和螺母固定。Each of the upper and lower splints 5 of the aluminum profile in the second layer of fixture 4, the experimental thin plate 6, and the upper splint 7 have pin holes, and the lower splint 5, the experimental thin plate 6, and the upper splint 7 pass through the fastening bolts 9 Be fixed on the aluminum profile of the second layer of fixture 4. Specifically: the fastening bolts 9 pass through the four aluminum profiles corresponding to the upper splint 7, the experimental thin plate 6, the lower splint 5 and the second layer of fixture 4 from top to bottom in sequence, and are fixed with gaskets 10 and nuts.
所述的三角形固定板8包括4块形状大小一致的直角三角形板，分别放置于上层夹板7的四个角的上方；每个三角形固定板8上均开有与上层夹板7对应的2个销孔，紧固螺栓9从上到下依次通过销孔贯穿三角形固定板8、上层夹板7、实验薄板6、下层夹板5和第二层固定件4，固定在第二层固定件4上。对实验夹具固支能力最为薄弱的四个角处进行固定加强，提高夹具的固支效果。The triangular fixing plate 8 includes 4 right-angled triangular plates with the same shape and size, which are respectively placed above the four corners of the upper splint 7; each triangular fixing plate 8 is provided with 2 pins corresponding to the upper splint 7 Holes, fastening bolts 9 pass through the triangular fixed plate 8, the upper splint 7, the experimental thin plate 6, the lower splint 5 and the second layer of fixture 4 from top to bottom successively, and are fixed on the second floor of the fixture 4. Fix and strengthen the four corners of the experimental fixture with the weakest fixing ability to improve the fixing effect of the fixture.
本发明还可通过增加各铝型材之间角件2的数量，提高实验夹具的稳定性。The present invention can also improve the stability of the experimental fixture by increasing the number of corner pieces 2 between the aluminum profiles.
本发明实验过程为：根据实验薄板6尺寸，调整实验夹具第二层固定件4围成的方形区域大小及各结构件长度，使用一定数量的铝型材完成本实验夹具组装；其中第一层固定件1固定在实验台上，激振机放置在实验夹具组成的方形区域内，实验薄板6通过上层夹板7和下层夹板5固定在第二层固定件4上；实验中，将通过激振机或其他辅助设备激励实验薄板6。The experimental process of the present invention is: according to the size of the experimental sheet 6, adjust the size of the square area surrounded by the second layer of the fixture 4 and the length of each structural member, and use a certain number of aluminum profiles to complete the assembly of the experimental fixture; wherein the first layer of fixed Part 1 is fixed on the test bench, and the vibrating machine is placed in the square area formed by the experimental fixture. The experimental thin plate 6 is fixed on the second layer of fixture 4 through the upper splint 7 and the lower splint 5; in the experiment, the vibrating machine will or other auxiliary equipment to stimulate the experimental thin plate 6 .
与现有技术相比，本发明的有益效果如下：Compared with the prior art, the beneficial effects of the present invention are as follows:
(1)本发明可根据不同的激振机高度，使用不同长度的铝型材作为中间层支撑件3，便于调节实验夹具的高度。(1) The present invention can use aluminum profiles of different lengths as the middle layer support 3 according to different exciter heights, which is convenient for adjusting the height of the experimental fixture.
(2)三角形固定板8位于上层夹板7的上方，通过安装销孔，使用紧固螺栓9固定在第二层固定件4上；对实验夹具固支能力较为薄弱的四个角处进行了固定加强，提高了夹具的固支效果。(2) The triangular fixing plate 8 is located above the upper splint 7, and is fixed on the second layer of the fixing member 4 with fastening bolts 9 through the mounting pin holes; the four corners of the experimental fixture with relatively weak fixing ability are fixed Reinforced to improve the fixing effect of the fixture.
(3)通过上下两层夹板5和7选用不同长度的紧固螺栓9固定，能够适应不同厚度的实验薄板6；且铝型材结构便于加工，根据不同的实验薄板6尺寸要求，实验夹具各结构件易于调整，以满足不同实验薄板6振动实验要求，提高了实验夹具的通用性。(3) Fastening bolts 9 of different lengths are used to fix the upper and lower splints 5 and 7, which can adapt to experimental sheets 6 of different thicknesses; and the aluminum profile structure is easy to process. The parts are easy to adjust to meet the requirements of different experimental plate 6 vibration experiments, which improves the versatility of the experimental fixture.
(4)本发明采用铝型材作为主要结构件，成本低，体积小，结构简单，组装操作方便；且各铝型材之间采用角件2连接，方便操作，固定效果好，稳定性强，提高了实验夹具的实用性。(4) The present invention adopts aluminum profiles as the main structural parts, with low cost, small volume, simple structure, and convenient assembly and operation; and corner fittings 2 are used to connect each aluminum profile, which is convenient to operate, has good fixing effect, strong stability, and improves The practicality of the experimental fixture.
(5)实验夹具可通过增加或减少位于四角的中间层支撑件3铝型材中间的铝型材数量，调整实验夹具的固有频率，从而有效避免实验夹具本身固有频率对薄板振动实验的影响。(5) The experimental fixture can adjust the natural frequency of the experimental fixture by increasing or reducing the number of aluminum profiles in the middle of the middle layer support 3 aluminum profiles at the four corners, thereby effectively avoiding the influence of the natural frequency of the experimental fixture itself on the vibration experiment of the thin plate.
附图说明Description of drawings
图1为本发明实验夹具的三维结构示意图；Fig. 1 is the three-dimensional structure schematic diagram of experimental fixture of the present invention;
图2为本发明实验夹具的结构主视图；Fig. 2 is the structural front view of experimental fixture of the present invention;
图3为本发明实验夹具的三角形固定板的结构示意图；Fig. 3 is the structural representation of the triangular fixed plate of experimental fixture of the present invention;
图4为本发明实验夹具的紧固螺栓结构示意图；Fig. 4 is the schematic diagram of fastening bolt structure of experimental fixture of the present invention;
图5为本发明实验夹具的铝型材角件连接示意图；Fig. 5 is the connection schematic diagram of the aluminum profile corner piece of the experimental fixture of the present invention;
图中：1第一层固定件、2角件、3中间层支撑件、4第二层固定件、5下层夹板、6实验薄板、7上层夹板、8三角形固定板、9紧固螺栓、10垫片、11T型螺栓、12法兰螺母。In the figure: 1 first-layer fixing piece, 2 corner piece, 3 middle-layer support piece, 4 second-layer fixing piece, 5 lower plywood, 6 experimental sheet, 7 upper plywood, 8 triangular fixed plate, 9 fastening bolt, 10 Gasket, 11T bolts, 12 flange nuts.
具体实施方式detailed description
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施实例，对本发明进行进一步详细说明。In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and implementation examples.
为解决当前薄板振动实验夹具重量较高、结构复杂和实用性较差的问题，本发明的实施提供了一种薄板振动实验夹具，保证了振动实验的高效率与低成本。如图1-2所示，包括第一层固定件1、角件2、中间层支撑件3、第二层固定件4、下层夹板5、实验薄板6、上层夹板7、三角形固定板8、紧固螺栓9、垫片10、T型螺栓11、法兰螺母12。其中上下层夹板5和7采用尺寸相同的板，第一层固定件1，中间层支撑件3，第二层固定件4，下层夹板5、上层夹板7均包含4-6根同类型材料。In order to solve the problems of high weight, complex structure and poor practicability of the current thin-plate vibration test fixture, the implementation of the present invention provides a thin-plate vibration test fixture, which ensures high efficiency and low cost of vibration experiments. As shown in Figure 1-2, it includes the first layer of fixing parts 1, corner parts 2, middle layer support parts 3, second layer of fixing parts 4, lower splint 5, experimental thin plate 6, upper splint 7, triangular fixing plate 8, Tighten bolts 9, gaskets 10, T-bolts 11, and flange nuts 12. Wherein the upper and lower splints 5 and 7 adopt plates of the same size, the first layer of fixing parts 1, the middle layer of supporting parts 3, the second layer of fixing parts 4, the lower layer of splints 5, and the upper layer of splints 7 all contain 4-6 pieces of the same type of material.
具体的，第一层固定件1通过均匀分布的销孔及使用紧固螺栓9与实验台进行固定连接，具体间距参见：图2结构主视图第一层固定件1销孔；第一层固定件1共包含4根铝型材，4根铝型材围成的方形区域，其大小与实验要求的实验薄板6的设计尺寸相对应，下面以实验薄板6形状为方形为例。两根铝型材之间垂直布置，通过角件2连接；角件2位于两根相互垂直的铝型材的直角处，T型螺栓11的T型端穿过角件2凹槽，嵌入到铝型材的滑道中，另一端用法兰螺母12固定，具体角件2连接安装方式，如图5铝型材角件连接示意图所示。Specifically, the first layer of fixing parts 1 is fixedly connected to the test bench through uniformly distributed pin holes and fastening bolts 9. For specific spacing, refer to: Fig. 2 Structure Front View First layer of fixing parts 1 pin holes; Part 1 contains 4 aluminum profiles in total, and the square area surrounded by 4 aluminum profiles corresponds to the design size of the experimental thin plate 6 required by the experiment. The following takes the shape of the experimental thin plate 6 as a square as an example. The two aluminum profiles are vertically arranged and connected by corner fittings 2; the corner fittings 2 are located at the right angles of two mutually perpendicular aluminum profiles, and the T-shaped ends of the T-shaped bolts 11 pass through the grooves of the corner fittings 2 and are embedded in the aluminum profiles In the slideway, the other end is fixed with a flange nut 12, and the specific connection and installation method of the corner fitting 2 is shown in Figure 5, the schematic diagram of the connection of the corner fittings of aluminum profiles.
第一层固定件1固定后，按照实验薄板6设计尺寸，布置中间层支撑件3；作为一种较佳的实施方式，共布置6根互相平行的铝型材，其中4根铝型材分别位于第一层固定件1所围方形区域的四个对角处，方向为竖直向上，其余2根位于两个对角的中间位置，这6根铝型材与第一层固定件1对应位置的铝型材均使用角件2连接，具体角件2连接如图5铝型材角件连接示意图所示；根据实验薄板6的振动特性，所围方形区域四个对角中间的铝型材选择2根，亦可选择增加对应中间铝型材的数量，调节实验夹具的固有频率，使之远离实验薄板6的固有频率，避免实验夹具与实验薄板6发生共振现象。After the first layer of fixing parts 1 is fixed, according to the design size of the experimental thin plate 6, the middle layer support part 3 is arranged; as a better implementation mode, a total of 6 parallel aluminum profiles are arranged, of which 4 aluminum profiles are located in the first At the four diagonal corners of the square area surrounded by the first layer of fixing parts 1, the direction is vertically upward, and the other two are located in the middle of the two diagonal corners. The profiles are all connected by corner fittings 2, and the specific corner fittings 2 are connected as shown in Figure 5. According to the vibration characteristics of the experimental thin plate 6, two aluminum profiles in the middle of the four diagonal corners of the enclosed square area are selected, which is also You can choose to increase the number of corresponding intermediate aluminum profiles, adjust the natural frequency of the experimental fixture to keep it away from the natural frequency of the experimental thin plate 6, and avoid resonance between the experimental fixture and the experimental thin plate 6.
中间层支撑件3组装完成后，根据实验薄板6的设计尺寸，连接固定第二层固定件4，与第一层固定件1类似的，第二层固定件4的包围方形区域尺寸与实验薄板6尺寸相同，以此保证实验薄板6四周固支条件符合实验要求；第二层固定件4位于中间层支撑件3上方，包含4根铝型材，与第一层固定件1之间通过垂直放置的中间层支撑件3连接。中间层支撑件3与第二层固定件4、第一层固定件1均通过角件2固定连接。After the intermediate support 3 is assembled, according to the design size of the experimental sheet 6, connect and fix the second layer of fixture 4, similar to the first layer of fixture 1, the size of the surrounding square area of the second layer of fixture 4 is the same as that of the experimental sheet 6 have the same size, so as to ensure that the supporting conditions around the experimental thin plate 6 meet the experimental requirements; the second layer of fixing parts 4 is located above the middle layer of supporting parts 3, including 4 aluminum profiles, which are placed vertically between the first layer of fixing parts 1 The middle layer supports 3 are connected. The middle layer support element 3 is fixedly connected with the second layer fixing element 4 and the first layer fixing element 1 through corner fittings 2 .
第二层固定件4连接完成之后，选择上下层夹板5和7，其长度与第二层固定件4中的铝型材尺寸相同的；优选地，上层夹板7选用钢材，下层夹板5选用铝材以提高固支效果。根据实验薄板6设计尺寸，对上层夹板7，中间实验薄板6、下层夹板5、第二层固定件4中各铝型材四者分别加工销孔，保证各销孔大小一致，一一对应，可通过紧固螺栓9贯穿并使用垫片10和螺母进行固定；为操作方便，可首先根据实验薄板6设计尺寸，在组装实验夹具之前，加工设计第二层固定件4各铝型材结构的销孔，然后根据铝型材固定件分别加工相同长度的上下层夹板4和6以及对应的销孔；加工完成各结构件销孔之后，即可用紧固螺栓9自上而下分别贯穿上层夹板7、实验薄板6、下层夹板5、第二层固定件4中各铝型材的销孔，使用螺母固定连接，并在紧固螺栓9上下两端分别加垫片10，可加强实验夹具结构件之间连接，提高实验夹具的可靠性。After the connection of the second layer of fixture 4 is completed, select the upper and lower splints 5 and 7, whose length is the same as the size of the aluminum profile in the second layer of fixture 4; preferably, the upper splint 7 is selected from steel, and the lower splint 5 is selected from aluminum In order to improve the fixation effect. According to the design size of the experimental thin plate 6, the upper splint 7, the middle experimental thin plate 6, the lower splint 5, and the aluminum profiles in the second layer of the fixing part 4 are respectively processed with pin holes to ensure that the pin holes are of the same size and correspond one-to-one. Fasten bolts 9 through and use gaskets 10 and nuts to fix; for easy operation, the size can be designed according to the experimental thin plate 6 first, and before assembling the experimental fixture, process and design the pin holes of the aluminum profile structures of the second layer of fixing parts 4 , and then process the upper and lower splints 4 and 6 of the same length and the corresponding pin holes according to the aluminum profile fixing parts respectively; The pin holes of the thin plate 6, the lower plywood 5, and the second layer of fixing parts 4 are fixed and connected by nuts, and gaskets 10 are added to the upper and lower ends of the fastening bolt 9 to strengthen the connection between the structural parts of the experimental fixture. , to improve the reliability of the experimental fixture.
最后，将三角形固定板8固定于上层夹板7上方，优选地，固定板的材质可以选为钢材且均分布于夹具的四个角处，具体分布位置，如图1三维结构示意图所示。其上开有与上层夹板7相对应的销孔，可用紧固螺栓9自上而下分别贯穿，与夹具整体进行固定，从而对实验夹具固支能力较为薄弱的四个角处进行了固定加强，提高了夹具的固支效果。Finally, the triangular fixing plate 8 is fixed above the upper plywood 7. Preferably, the material of the fixing plate can be selected as steel and is evenly distributed at the four corners of the fixture. The specific distribution position is shown in the three-dimensional structural diagram in FIG. 1 . There are pin holes corresponding to the upper splint 7 on it, which can be penetrated by fastening bolts 9 from top to bottom, and fixed with the fixture as a whole, so as to fix and strengthen the four corners of the experimental fixture with relatively weak support ability , which improves the fixing effect of the fixture.
以上所述，仅是本发明的较佳实施案例而已，并非对本发明作任何形式上的限制。The above descriptions are only preferred implementation examples of the present invention, and do not limit the present invention in any form.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802176A (en) * | 2018-04-08 | 2018-11-13 | 大连理工大学 | A kind of Damage Assessment Method experimental method based on PVDF sensors and strain mode |
| CN112834144A (en) * | 2020-12-31 | 2021-05-25 | 合肥工业大学 | A test device for fluid-structure coupling vibration in an air-floating thin plate system |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470046A (en) * | 2007-12-27 | 2009-07-01 | 三星Sdi株式会社 | Jig frame for drop test of flat panel display |
| CN102818689A (en) * | 2011-06-09 | 2012-12-12 | 工业和信息化部电子第五研究所 | Universal fixture for vibration test for board-level circuits |
| CN202671691U (en) * | 2012-05-25 | 2013-01-16 | 大连崇达电路有限公司 | Thin plate electroplating splint clamp |
| CN103837316A (en) * | 2012-11-27 | 2014-06-04 | 海洋王（东莞）照明科技有限公司 | Display Vibration Test Fixture |
| CN103868667A (en) * | 2012-12-12 | 2014-06-18 | 重庆长安汽车股份有限公司 | Automobile plate constraint mode test fixture and method |
| CN203908748U (en) * | 2014-06-13 | 2014-10-29 | 苏州博睿测控设备有限公司 | Printed circuit board vibration test device |
| CN204214628U (en) * | 2014-11-28 | 2015-03-18 | 苏州天地超云网络科技有限公司 | For the vibration test table of server master board |
| CN204725379U (en) * | 2015-07-07 | 2015-10-28 | 闫凯 | A kind of vibration or impact test presser type fixture |
| CN204913668U (en) * | 2015-07-17 | 2015-12-30 | 中国电力科学研究院 | Four sides letter square board anchor clamps for vibration testing |
| CN106017839A (en) * | 2016-07-18 | 2016-10-12 | 华南理工大学 | Bending and torsional vibration detection control apparatus and method based on flexible articulated slab |
| CN106092479A (en) * | 2016-07-28 | 2016-11-09 | 西南交通大学 | Multifunctional Test Bench for Load Identification and Damage Identification of Slab and Girder Structures |
| CN106392955A (en) * | 2016-10-26 | 2017-02-15 | 上海工程技术大学 | Flexible thin sheet positioning clamp based on cross-shaped sliding tables |
| CN206002271U (en) * | 2016-08-29 | 2017-03-08 | 中国航空工业集团公司西安飞机设计研究所 | A kind of exciter support for modal test |
| CN206035963U (en) * | 2016-09-23 | 2017-03-22 | 厦门大学 | Aluminum alloy profile connecting part |
| CN206047677U (en) * | 2016-09-07 | 2017-03-29 | 南京机电职业技术学院 | It is a kind of to reduce sheet part machining deformation fixture |
| CN106768754A (en) * | 2016-11-25 | 2017-05-31 | 北京新能源汽车股份有限公司 | Vibration test fixture |
| CN206223384U (en) * | 2016-11-14 | 2017-06-06 | 北京航天万源科技有限公司 | A kind of CA cable assembly vibrating device |
| CN206258238U (en) * | 2016-12-19 | 2017-06-16 | 华东交通大学 | A kind of three coordinate adjustable exciting experiment porch |
-
2017
- 2017-08-15 CN CN201710695122.0A patent/CN107356390A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101470046A (en) * | 2007-12-27 | 2009-07-01 | 三星Sdi株式会社 | Jig frame for drop test of flat panel display |
| CN102818689A (en) * | 2011-06-09 | 2012-12-12 | 工业和信息化部电子第五研究所 | Universal fixture for vibration test for board-level circuits |
| CN202671691U (en) * | 2012-05-25 | 2013-01-16 | 大连崇达电路有限公司 | Thin plate electroplating splint clamp |
| CN103837316A (en) * | 2012-11-27 | 2014-06-04 | 海洋王（东莞）照明科技有限公司 | Display Vibration Test Fixture |
| CN103868667A (en) * | 2012-12-12 | 2014-06-18 | 重庆长安汽车股份有限公司 | Automobile plate constraint mode test fixture and method |
| CN203908748U (en) * | 2014-06-13 | 2014-10-29 | 苏州博睿测控设备有限公司 | Printed circuit board vibration test device |
| CN204214628U (en) * | 2014-11-28 | 2015-03-18 | 苏州天地超云网络科技有限公司 | For the vibration test table of server master board |
| CN204725379U (en) * | 2015-07-07 | 2015-10-28 | 闫凯 | A kind of vibration or impact test presser type fixture |
| CN204913668U (en) * | 2015-07-17 | 2015-12-30 | 中国电力科学研究院 | Four sides letter square board anchor clamps for vibration testing |
| CN106017839A (en) * | 2016-07-18 | 2016-10-12 | 华南理工大学 | Bending and torsional vibration detection control apparatus and method based on flexible articulated slab |
| CN106092479A (en) * | 2016-07-28 | 2016-11-09 | 西南交通大学 | Multifunctional Test Bench for Load Identification and Damage Identification of Slab and Girder Structures |
| CN206002271U (en) * | 2016-08-29 | 2017-03-08 | 中国航空工业集团公司西安飞机设计研究所 | A kind of exciter support for modal test |
| CN206047677U (en) * | 2016-09-07 | 2017-03-29 | 南京机电职业技术学院 | It is a kind of to reduce sheet part machining deformation fixture |
| CN206035963U (en) * | 2016-09-23 | 2017-03-22 | 厦门大学 | Aluminum alloy profile connecting part |
| CN106392955A (en) * | 2016-10-26 | 2017-02-15 | 上海工程技术大学 | Flexible thin sheet positioning clamp based on cross-shaped sliding tables |
| CN206223384U (en) * | 2016-11-14 | 2017-06-06 | 北京航天万源科技有限公司 | A kind of CA cable assembly vibrating device |
| CN106768754A (en) * | 2016-11-25 | 2017-05-31 | 北京新能源汽车股份有限公司 | Vibration test fixture |
| CN206258238U (en) * | 2016-12-19 | 2017-06-16 | 华东交通大学 | A kind of three coordinate adjustable exciting experiment porch |
Non-Patent Citations (2)
| Title |
|---|
| 姜同敏 等: "《可靠性试验技术》", 31 July 2012, 北京航空航天大学出版社 * |
| 柯受全 等: "《卫星环境工程和模拟试验》", 31 August 2009, 中国宇航出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108802176A (en) * | 2018-04-08 | 2018-11-13 | 大连理工大学 | A kind of Damage Assessment Method experimental method based on PVDF sensors and strain mode |
| CN112834144A (en) * | 2020-12-31 | 2021-05-25 | 合肥工业大学 | A test device for fluid-structure coupling vibration in an air-floating thin plate system |
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