A strength testing organization

Abstract

The utility model discloses a strength testing mechanism, including: a tooling frame; a support frame, arranged on the top of the tooling frame; a first mounting frame, arranged on the top of the support frame; a loading lever, the middle part of which is rotatably arranged on the mounting frame, one end of which is provided with a plurality of mounting points for mounting the loaded goods, and the other end is used to mount the test piece; a second mounting frame, arranged on the top of the tooling frame and located below the loading lever, for carrying the test piece. The strength testing mechanism of the utility model places the test piece on the second mounting frame, and connects it to one end of the loading lever through a rope, and then mounts the loaded goods on the mounting point of the loading lever through the rope; when the loaded goods are mounted on the mounting point of the loading lever, under the action of gravity, one end of the loading lever moves downward, so that the other end moves upward, and a load is applied to the test piece to test whether the strength of the test piece meets the standard.

Description

Technical Field

[0001] The utility model relates to the technical field of aircraft strength testing, in particular to a strength testing mechanism. Background Art

[0002] Aircraft carrying parachutes need to consider the situation of opening the parachute at a certain speed; during the process of opening the parachute, a large reverse impact force will be generated; therefore, during the design process, it is necessary to check and design the structural parts of the aircraft that bear the impact force generated by the parachute. After the product is completed, it is necessary to test and verify whether the manufactured parts can meet the design requirements.

[0003] Since general aircraft need to have sufficient lift area and speed to generate enough lift, opening the parachute at high speed will cause a high overload. To simulate the overload generated in actual use, it is often necessary to weigh items several or even dozens of times more than the product to achieve the overload conditions during use. Therefore, designing a strength test tool to simulate the impact of the overload generated by opening the parachute during the actual process on the strength of the aircraft itself is an inevitable requirement in the aircraft development process. Utility Model Content

[0004] The utility model aims to provide a strength testing mechanism which can perform strength testing on a structural part of an aircraft that bears the impact force generated by a parachute.

[0005] The embodiments of the present invention are implemented by the following technical solutions:

[0006] A strength testing mechanism, comprising:

[0007] Tooling frame;

[0008] A support frame, arranged on the top of the tooling frame;

[0009] A mounting frame, arranged on the top of the supporting frame;

[0010] A loading lever, the middle part of which is rotatably arranged on the mounting frame, one end of which is provided with a plurality of mounting points for mounting the loading cargo, and the other end is used for mounting the test piece;

[0011] The mounting frame is arranged on the top of the tooling frame and is located below the loading lever, and is used for carrying the test piece.

[0012] In one embodiment of the present utility model, the support frame includes a plurality of first square rectangular tubes;

[0013] The plurality of the first square rectangular tubes are divided into two rows; the two rows of the first square rectangular tubes are respectively arranged on both sides of the top of the tooling frame;

[0014] The mounting frame is arranged on the top of the plurality of the first square rectangular tubes.

[0015] In one embodiment of the utility model, the mounting frame includes a plurality of second square rectangular tubes and two connecting plates;

[0016] Two ends of a plurality of the second square rectangular tubes are respectively connected to two rows of the first square rectangular tubes;

[0017] The two connecting plates are arranged facing each other at the bottom of the plurality of the second square tubes, and the loading lever is rotatably arranged between the two connecting plates.

[0018] In one embodiment of the present utility model, the support frame further comprises a plurality of third-party rectangular tubes;

[0019] Each of the third square rectangular tubes is respectively connected to the bottom of a plurality of the second square rectangular tubes; and the plurality of the third square rectangular tubes are located on both sides of the two connecting plates.

[0020] In an embodiment of the present invention, the two rows of the first square rectangular tubes are moved closer from the bottom to the top.

[0021] In one embodiment of the utility model, a plurality of first support frames are provided on the top of the tooling frame, and two second support frames are provided on the bottom of the plurality of second square rectangular tubes respectively; the two ends of the plurality of first square rectangular tubes are respectively connected to the first support frame and the second support frame.

[0022] In one embodiment of the utility model, the first support frame is provided with a plurality of first through holes, the second support frame is provided with a plurality of second through holes, and both ends of the first square rectangular tube are respectively provided with a plurality of third through holes; when both ends of the first square rectangular tube are fixed to the first support frame and the second support frame, the plurality of first through holes and the plurality of second through holes are respectively aligned with the plurality of third through holes;

[0023] It also includes a plurality of bolts, which pass through the plurality of the first through holes and the plurality of the third through holes and the plurality of the second through holes and the plurality of the third through holes respectively.

[0024] In one embodiment of the utility model, the mounting frame includes a plurality of fourth square rectangular tubes and a plurality of fifth square rectangular tubes;

[0025] A plurality of fourth square rectangular tubes are arranged on the top of the tooling frame, and a plurality of fifth square rectangular tubes are sequentially connected end to end to form a structure for carrying the test piece, and are arranged on the top of the plurality of fourth square rectangular tubes.

[0026] In an embodiment of the present invention, a plurality of the fourth square rectangular tubes are moved closer from the bottom to the top.

[0027] In one embodiment of the utility model, a universal wheel is provided at the bottom of the tooling frame.

[0028] The technical solution of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0029] The strength testing mechanism of the utility model places the test piece on the second mounting frame and connects it to one end of the loading lever through a rope, and then mounts the loaded goods on the mounting point of the loading lever through the rope; when the loaded goods are mounted on the mounting point of the loading lever, under the action of gravity, one end of the loading lever moves downward, causing the other end to move upward, applying a load to the test piece to test whether the strength of the test piece meets the standard. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a structural schematic diagram of the utility model;

[0031] Figure 2 It is the front view of the utility model.

[0032] Icons: 1- tooling frame, 11- first support frame, 12- universal wheel, 2- first square rectangular tube, 3- first mounting frame, 31- second square rectangular tube, 311- second support frame, 32- connecting plate, 33- third square rectangular tube, 4- loading lever, 5- second mounting frame, 51- fourth square rectangular tube, 52- fifth square rectangular tube. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0034] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. They are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] In the description of the present invention, "plurality" means two or more than two, unless otherwise clearly and specifically defined.

[0038] Please refer to Figure 1 and Figure 2 A strength testing mechanism includes a tooling frame 1, a support frame, a first mounting frame 3, a loading lever 4 and a second mounting frame 5.

[0039] like Figure 1-Figure 2 As shown, the support frame includes a plurality of first square rectangular tubes 2, and the first mounting frame 3 includes a plurality of second square rectangular tubes 31 and two connecting plates 32;

[0040] A plurality of first square rectangular tubes 2 are divided into two rows and are respectively located on both sides of the top of the tooling frame 1; one end of the plurality of first square tubes is connected to the top of the tooling frame 1, and the other end is respectively connected to the bottom of the second square rectangular tube 31; two connecting plates 32 are arranged at the bottom of the plurality of second square rectangular tubes 31 facing each other, and the middle part of the loading lever 4 is rotatably arranged between the two connecting plates 32, one end of which is longer and has a plurality of mounting points for mounting loaded goods, and the other end is shorter and is used for mounting test pieces; by mounting the loaded goods at different mounting points, the lever arm can be changed, thereby changing the load applied to the test piece.

[0041] In this embodiment, universal wheels 12 with brake pads are respectively provided at the four corners of the bottom of the tooling frame 1 to facilitate the movement of the strength testing mechanism. At the same time, the universal wheels 12 with brake pads can be locked during use to prevent the tooling frame 1 from moving.

[0042] The two rows of first square rectangular tubes 2 are respectively inclined inward from the bottom to the top to form a prism structure with better load-bearing capacity; when the loaded goods and the test pieces are mounted on the two ends of the loading lever 4, the first mounting frame 3 is better supported by the first square rectangular tubes 2 in the prism structure to ensure the stability of the strength testing mechanism.

[0043] The first mounting frame 3 also includes a plurality of third-party rectangular tubes 33, each of which is connected to the bottom of a plurality of second square rectangular tubes 31, and the plurality of third-party rectangular tubes 33 are located on both sides of the two connecting plates 32. When the loaded goods and the test pieces are mounted on both ends of the loading lever 4, due to the large mass of the loaded goods and the test pieces, the connecting plates 32 will cause the plurality of second square rectangular tubes 31 to bend downward, which may cause safety problems over time. Therefore, by arranging the third-party rectangular tube 33 at the bottom of the second square rectangular tube 31, the third-party rectangular tube 33 can effectively resist the bending of the second square rectangular tube 31, so that the loading lever 4 can more stably mount the loaded goods and the test pieces.

[0044] Specifically, the first support frame 11 is provided with a plurality of first through holes, the second support frame 311 is provided with a plurality of second through holes, and both ends of the first square rectangular tube 2 are respectively provided with a plurality of third through holes; when the two ends of the first square rectangular tube 2 are fixed on the first support frame 11 and the second support frame 311, the plurality of first through holes and the plurality of second through holes are respectively aligned with the plurality of third through holes; and a plurality of bolts are also included, which respectively pass through the plurality of first through holes and the plurality of third through holes and the plurality of second through holes and the plurality of third through holes to fix the first square rectangular tube 2 with the first support frame 11 and the second support frame 311, thereby ensuring the stability of the connection and realizing the connection between the first square rectangular tube 2 and the tooling frame 1 and the second square rectangular tube 31.

[0045] like Figure 1-Figure 2 As shown, the second mounting frame 5 is arranged on the top of the tooling frame 1 and is located below the loading lever 4 for carrying the test piece;

[0046] Specifically, the second mounting frame 5 includes a plurality of fourth square rectangular tubes 51 and a plurality of fifth square rectangular tubes 52; the plurality of fourth square rectangular tubes 51 are arranged on the top of the tooling frame 1, and the plurality of fifth square rectangular tubes 52 are sequentially connected end to end to form a structure for carrying the test piece, and are arranged on the top of the plurality of fourth square rectangular tubes 51; when the test piece is mounted on the loading lever 4 and the loaded cargo is not mounted on the loading lever 4, the test piece is placed on the structure formed by the plurality of fifth square rectangular tubes 52 and bears the weight of the test piece, thereby reducing the load on the first mounting frame 3.

[0047] The fourth plurality of square rectangular tubes 51 are respectively inclined from the bottom to the top toward the inside to form a prism structure with better load-bearing capacity to bear the weight of the test piece, thereby further increasing the stability of the strength testing mechanism.

[0048] The working principle of this embodiment is:

[0049] The test piece is placed on the second mounting frame 5 and connected to one end of the loading lever 4 through a rope, and then the loaded cargo is mounted on the mounting point of the loading lever 4 through the rope; when the loaded cargo is mounted on the mounting point of the loading lever 4, under the action of gravity, one end of the loading lever 4 moves downward, causing the other end to move upward, applying a load to the test piece to test whether the strength of the test piece meets the standard.

[0050] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A strength testing mechanism, characterized in that: include: Tooling frame; A support frame, arranged on the top of the tooling frame; A first mounting frame, arranged on the top of the supporting frame; A loading lever, the middle part of which is rotatably arranged on the mounting frame, one end of which is provided with a plurality of mounting points for mounting the loading cargo, and the other end is used for mounting the test piece; The second mounting frame is arranged on the top of the tooling frame and is located below the loading lever, and is used for carrying the test piece.

2. A strength testing mechanism according to claim 1, characterized in that: The support frame includes a plurality of first square rectangular tubes; The plurality of the first square rectangular tubes are divided into two rows; the two rows of the first square rectangular tubes are respectively arranged on both sides of the top of the tooling frame; The mounting frame is arranged on the top of the plurality of the first square rectangular tubes.

3. A strength testing mechanism according to claim 2, characterized in that: The first mounting frame includes a plurality of second square rectangular tubes and two connecting plates; Two ends of a plurality of the second square rectangular tubes are respectively connected to two rows of the first square rectangular tubes; The two connecting plates are arranged facing each other at the bottom of the plurality of the second square tubes, and the loading lever is rotatably arranged between the two connecting plates.

4. A strength testing mechanism according to claim 3, characterized in that: The first mounting frame also includes a plurality of third-party rectangular tubes; Each of the third square rectangular tubes is respectively connected to the bottom of a plurality of the second square rectangular tubes; and the plurality of the third square rectangular tubes are located on both sides of the two connecting plates.

5. A strength testing mechanism according to claim 2, characterized in that: The two rows of the first square rectangular tubes are respectively approached from the bottom to the top.

6. A strength testing mechanism according to claim 3, characterized in that: A plurality of first support frames are arranged on the top of the tooling frame, and two second support frames are arranged on the bottom of the plurality of second square rectangular tubes respectively; two ends of the plurality of first square rectangular tubes are respectively connected to the first support frame and the second support frame.

7. A strength testing mechanism according to claim 6, characterized in that: The first support frame is provided with a plurality of first through holes, the second support frame is provided with a plurality of second through holes, and both ends of the first square rectangular tube are respectively provided with a plurality of third through holes; when both ends of the first square rectangular tube are fixed to the first support frame and the second support frame, the plurality of first through holes and the plurality of second through holes are respectively aligned with the plurality of third through holes; It also includes a plurality of bolts, which pass through the plurality of the first through holes and the plurality of the third through holes and the plurality of the second through holes and the plurality of the third through holes respectively.

8. A strength testing mechanism according to claim 1, characterized in that: The second mounting frame includes a plurality of fourth square rectangular tubes and a plurality of fifth square rectangular tubes; A plurality of fourth square rectangular tubes are arranged on the top of the tooling frame, and a plurality of fifth square rectangular tubes are sequentially connected end to end to form a structure for carrying the test piece, and are arranged on the top of the plurality of fourth square rectangular tubes.

9. A strength testing mechanism according to claim 8, characterized in that: The plurality of fourth square rectangular tubes are close to each other from the bottom to the top.

10. A strength testing mechanism according to claim 1, characterized in that: The bottom of the tooling frame is provided with universal wheels.

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