WO2018019107A1

WO2018019107A1 - Rub test platform

Info

Publication number: WO2018019107A1
Application number: PCT/CN2017/091954
Authority: WO
Inventors: 刘若鹏; 栾琳; 刘丰维; 黄河
Original assignee: 东莞前沿技术研究院
Priority date: 2016-07-25
Filing date: 2017-07-06
Publication date: 2018-02-01
Also published as: CN106092786A

Abstract

A rub test platform, comprising: a base (10); a drive device (20), the drive device (20) being mounted on the base (10); and a push-pull rotating mechanism (30), the push-pull rotating mechanism (30) being mounted on the base (10), a first end of the push-pull rotating mechanism (30) being connected to the drive device (20), and a second end of the push-pull rotating mechanism (30) being connected to a tested object (60). The rub test platform may not only complete a tensile test but may also complete a rotation test, and the structure thereof is simple.

Description

揉搓 test platform

Technical field

[0001] The present invention relates to the field of helium test equipment, and in particular to a helium test platform.

Background technique

[0002] In the prior art, high air balls such as mooring balloons and airships are made of a capsule material, and the capsule material is generally a weatherable lightweight high strength composite material. During processing and use, the capsular is inevitably repeatedly rubbed (ie, folded and twisted), and the surface of the capsular may be damaged, resulting in separation of the anti-aging layer of the capsular material, decrease in strength, and decrease in airtightness. A sputum test platform is required in the production process to evaluate the tamper resistance of the capsular material to determine the reliability of the capsular material.

technical problem

[0003] The current sputum test platform is for folding and twisting the test piece, and the two chucks of the test rig are connected with a set of moving mechanisms, one set is a linear reciprocating mechanism, and one set is a rotary reciprocating mechanism, two The movements in one direction need to be coordinated, so there are complex problems in the motion mechanism; at the same time, both sets of motion mechanisms require a motor drive, which is more expensive.

Problem solution

Technical solution

[0004] A primary object of the present invention is to provide a flaw test platform to solve the problem of the complicated structure of the flaw test platform in the prior art.

[0005] In order to achieve the above object, according to an aspect of the present invention, a cymbal test platform is provided, including: a base; a driving device, the driving device is mounted on the base; a push-pull rotating mechanism, the push-pull rotating mechanism is mounted on the base, and push-pull The first end of the rotating mechanism is coupled to the driving device, the second end of the sliding and rotating mechanism is coupled to the object to be tested, and the push-pull rotating mechanism is configured to stretch and rotate the object to be tested.

Further, the push-pull rotation mechanism includes: a push-pull portion, the first end of the push-pull portion is coupled to the driving device; and the rotating portion, the first end of the rotating portion is rotatably mounted at the second end of the push-pull portion.

[0007] Further, the base is provided with a first clamping portion, and the push-pull rotating mechanism further includes a second clamping portion, and the second clamping portion is fixed to the second end of the rotating portion; a clamping portion and a second clamp Hold the grip.

[0008] Further, the push-pull portion includes: a crank, the first end of the crank is connected with the driving device; the connecting rod, the first end of the connecting rod is hinged with the second end of the crank, and the rotating portion is rotatably mounted on the connecting rod Two ends.

[0009] Further, the push-pull portion further includes: a universal joint, the first end of the universal joint is connected to the second end of the connecting rod, and the rotating portion is rotatably mounted on the second end of the connecting rod through the universal joint.

[0010] Further, the rotating portion is a rotating rod, the outer portion of the rotating rod is provided with an external thread, the base is provided with a rail bracket, the rail bracket is provided with a through hole, and the rotating rod is disposed in the through hole, the hole wall of the through hole An internal thread is provided on the upper thread, and the external thread is adapted to the internal thread.

[0011] Further, the external thread has a slope greater than 45.

[0012] Further, the rail brackets are plural, and the plurality of rail brackets are spaced apart along the length direction of the rotating portion.

[0013] Further, a first pressing piece is disposed on the first clamping portion, and a second pressing piece is disposed on the second clamping portion, and the two ends of the object to be tested are respectively pressed by the first pressing piece and the second pressing piece tight.

[0014] Further, a support frame is disposed on the base, and the driving device is mounted on the support frame.

Advantageous effects of the invention

Beneficial effect

[0015] Applying the technical solution of the present invention, the flaw test platform of the present invention works, the drive device drives the push-pull rotation mechanism to move, and the push-pull rotation mechanism stretches and rotates the object to be tested, thereby completing the stretching and rotation test, only A push-pull rotating mechanism is required to perform both the tensile test and the rotary test, and the structure is simple.

Brief description of the drawing

DRAWINGS

[0016] The accompanying drawings, which are incorporated in the claims In the attached picture:

1 is a view schematically showing an overall configuration of a flaw test platform according to an embodiment of the present invention;

[0018] FIG. 2 is a schematic structural view showing the 揉搓 test platform of the embodiment of the present invention just starting to stretch the 被 object;

[0019] FIG. 3 is a schematic view showing the ramming test platform of the embodiment of the present invention stretching a certain object to a certain distance 结构 structure diagram;

[0020] FIG. 4 is a view schematically showing a structural view of a sputum test platform of the embodiment of the present invention moving to stretch a test object to a maximum stretch distance ;;

[0021] FIG. 5 is a schematic structural view showing that the flaw test platform of the embodiment of the present invention gradually returns the object to be tested to the initial state.

[0022] wherein the above figures include the following reference numerals:

[0023] 10, the base; 11, the first clamping portion; 13, the first pressing piece; 20, the driving device; 30, the push-pull rotating mechanism; 31, the push-pull portion; 311, crank; 312, connecting rod; 313, 10,000 Section; 32, rotating part; 321 , external thread; 33, second clamping part; 34, second pressing piece; 40, rail bracket; 50, support frame; 60, object to be tested.

Embodiments of the invention

[0024] It should be noted that, in the case of no conflict, the features in the embodiments and the embodiments in the present application may be combined with each other. The invention will be described in detail below with reference to the drawings in conjunction with the embodiments.

[0025] It should be noted that the following detailed description is illustrative and is intended to provide a further description of the application. All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise indicated.

It is to be noted that the terminology used herein is for the purpose of describing particular embodiments, and is not intended to limit the exemplary embodiments. As used herein, the singular " " " " " " There are features, steps, operations, devices, components, and/or combinations thereof.

[0027] It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or Prioritization. It is to be understood that the terms so used are interchangeable as appropriate, such that the embodiments of the invention described herein can be implemented, for example, in a sequence other than those illustrated or described herein.

Furthermore, the terms "comprises" and "comprising" and "comprises" and "the" are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or device that comprises a series of steps or units is not necessarily limited Those steps or units that are clearly listed may include other steps or units that are not explicitly listed or inherent to such processes, methods, products, or devices.

[0029] For convenience of description, spatially relative terms may be used herein, such as "above", "above", "on top" , "above", etc., are used to describe the spatial positional relationship of one device or feature as shown in the figures with other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation of the device described.

[0030] For example, if the device in the figures is inverted, the device described as "above other devices or configurations" or "above other devices or configurations" will be positioned "below other devices or configurations" Or "under other devices or configurations." Thus, the exemplary term "above" can include "above" and "at"

...below "two orientations. The device can also be positioned in other different ways (rotated 90 degrees or in other orientations) and the corresponding description of the space used here is interpreted accordingly.

[0031] Referring to FIG. 1 to FIG. 5, an embodiment of the present invention provides a cymbal test platform, which includes a base 10, a driving device 20, and a push-pull rotating mechanism 30. The driving device 20 is mounted on the base 10; The mechanism 30 is mounted on the base 10, the first end of the push-pull rotation mechanism 30 is coupled to the drive unit 20, and the second end of the push-pull rotation mechanism 30 is coupled to the object 60 to be tested. In operation, the driving device 20 drives the push-pull rotating mechanism 30 to move, and the push-pull rotating mechanism 30 stretches and rotates the object 60 to complete the stretching and rotation test. The boring test platform of the embodiment only needs one push-pull rotation. The mechanism 30 can perform both the tensile test and the rotational test, and has a simple structure.

Specifically, the push-pull rotation mechanism 30 in this embodiment includes a push-pull portion 31 and a rotating portion 32. The first end of the push-pull portion 31 is coupled to the driving device 20; the first end of the rotating portion 32 is rotatably mounted on The second end of the push-pull portion 31. In operation, the driving device 20 drives the push-pull portion 31 to operate, and the push-pull portion 31 drives the rotating portion 32 to complete the push-pull portion 31 to push and pull the rotating portion 32, and the rotating portion 32 is rotated by the push-out and the pulled-back.

[0033] The base 10 in this embodiment is provided with a first clamping portion 11, and the push-pull rotating mechanism 30 further includes a second clamping portion 33, and the second clamping portion 33 is fixed to the second end of the rotating portion 32; Both ends of the test object 60 are sandwiched by the first clamping portion 11 and the second clamping portion 33, respectively. In operation, the first clamping portion 11 and the second clamping portion 33 respectively clamp the two ends of the object to be tested 60, and the object to be tested 60 is a material such as a capsule material, and the driving device 20 drives the push-pull rotating mechanism 30 to perform the push-pull operation. The portion 31 pulls the rotating portion 32, and further the rotating portion 32 is applied to the capsule material. Stretching.

Specifically, the push-pull portion 31 in this embodiment includes a crank 311 and a connecting rod 312. The first end of the crank 311 is coupled to the driving device 20; the first end of the connecting rod 312 is hinged to the second end of the crank 311. The rotating portion 32 is rotatably mounted at the second end of the link 312. In operation, the driving device 20 drives the crank 311 to rotate, and the second end of the crank 311 rotates around the output shaft of the driving device 20, and drives the connecting rod 312 connected to the second end of the crank 311 to move. The second end of the connecting rod 312 is connected to the rotating portion 32. During the movement of the connecting rod 312, the rotating portion 32 moves with the connecting rod 312 to move the rotating portion 32 toward or away from the first clamping portion 11, and the pair is tested. Tensile test of the object 60.

[0035] Referring to FIG. 2, the cymbal test platform of the embodiment is in an initial state, and then the driving device 20 drives the second end of the crank 311 to move away from the first clamping portion 11 to pull the link 312. The rotating portion 32 moves in a direction away from the first holding portion 11, and the distance between the second holding portion 33 and the first holding portion 11 gradually becomes longer, and the object 60 to be tested is gradually stretched.

[0036] Referring to FIG. 3, the driving device 20 continues to drive the second end of the crank 311 to move away from the first clamping portion 11, and the link 312 pulls the rotating portion 32 away from the first clamping portion 11. After the movement, the distance between the second holding portion 33 and the first holding portion 11 gradually becomes longer, and the object 60 to be tested is further stretched.

[0037] Referring to FIG. 4, the object 60 to be tested is stretched to the maximum tensile state by the crucible test platform of the present embodiment. Thereafter, the driving device 20 drives the second end of the crank 311 toward the first clamping portion 11 The directional movement causes the link 312 to push the rotating portion 32 to move toward the first holding portion 11, and the distance between the second holding portion 33 and the first holding portion 11 becomes closer, and the object to be tested 60 gradually returns.

[0038] Referring to FIG. 5, the driving device 20 continues to drive the second end of the crank 311 to move toward the first clamping portion 11, thereby causing the link 312 to push the rotating portion 32 toward the first clamping portion 11. In the directional movement, the distance between the second holding portion 33 and the first holding portion 11 is further increased, and the object to be tested 60 gradually returns to its original state.

[0039] In order to ensure that the push-pull portion 31 is pulling or pushing the rotating portion 32, it can be ensured that the stretched and recovered of the test object 60 can move on the same straight line. Preferably, the push-pull portion 31 in this embodiment further includes To the joint 313, the first end of the universal joint 313 is coupled to the second end of the link 312, and the rotating portion 32 is rotatably mounted to the second end of the link 312 by a universal joint 313. In operation, the driving device 20 drives the crank 311 to move, thereby driving the link 312 to move, and the movement of the rotating portion 32 is caused by the movement of the link 312 to move in the rotating portion 32. The universal joint 313 is angularly adapted to allow the rotating portion 32 to adapt to the change in the angle between the link 312 and the rotating portion 32, so that the rotating portion 32 can flexibly move in the linear direction, thereby causing the object to be tested. The stretched and recovered 60 can be on the same line.

[0040] In order to allow the push-pull rotation mechanism 30 of the present embodiment to perform the rotation test at the same time as the tensile test of the test object 60, preferably, the rotating portion 32 in the present embodiment is a rotating rod, and the outside of the rotating rod An external thread 321 is provided, and the base 10 is provided with a rail bracket 40. The rail bracket 40 is provided with a through hole, and the rotating rod is disposed in the through hole. The hole wall of the through hole is provided with an internal thread, the external thread 321 and the internal thread Fitted. In operation, the driving device 20 drives the push-pull portion 31 to pull or push the rotating portion 32 to move the rotating portion 32 in the through hole on the rail bracket 40. During the movement of the rotating portion 32 in the through hole, the external thread on the rotating rod The 321 is engaged with the internal thread in the through hole to rotate the rotating rod, thereby driving the second clamping portion 33 to rotate, and completing the rotation test of the object to be tested 60.

[0041] Referring to FIG. 2, the cymbal test platform of the present embodiment is in an initial state. Thereafter, the driving device 20 drives the second end of the crank 311 to move away from the first clamping portion 11 to pull the link 312. The rotating portion 32 moves in a direction away from the first clamping portion 11 (the straight arrow in FIG. 2 points in the direction of movement of the rotating portion), and the distance between the second clamping portion 33 and the first clamping portion 11 gradually changes. Further, the object to be tested 60 is gradually stretched, and at the same time, the external thread 321 on the rotating rod cooperates with the internal thread in the through hole to rotate the rotating rod along the central axis thereof (the arc in Fig. 2) The arrow pointing to the direction of rotation of the rotating rod) is further rotated by the collet of the test object 60 being stretched.

[0042] Referring to FIG. 3, the driving device 20 continues to drive the second end of the crank 311 to move away from the first clamping portion 11, and the link 312 pulls the rotating portion 32 away from the first clamping portion 11. Movement (the straight arrow in Fig. 3 points to the direction of movement of the rotating portion), the distance between the second holding portion 33 and the first holding portion 11 gradually becomes longer, and the object 60 to be tested is further stretched.外, the external thread 321 on the rotating rod cooperates with the internal thread in the through hole, so that the rotating rod continues to rotate along the central axis thereof (the circular arc arrow in FIG. 3 points to the rotation direction of the rotating rod), and is further The test object 60 is further stretched by the same cymbal to continue the jingle rotation.

[0043] Referring to FIG. 4, the object 60 to be tested is stretched to the maximum tensile state by the cymbal test platform of the embodiment, and then the driving device 20 drives the second end of the crank 311 toward the first nip 11 The directional movement causes the link 312 to push the rotating portion 32 to move toward the first holding portion 11 (the straight arrow in Fig. 4) The direction of the movement of the rotating portion, the distance between the second clamping portion 33 and the first clamping portion 11 becomes closer. At the same time, the external thread 321 on the rotating rod cooperates with the internal thread in the through hole to rotate the rotating rod along the central axis thereof (the circular arc arrow in FIG. 4 points to the rotation direction of the rotating rod). The object to be tested 60 gradually returns.

[0044] Referring to FIG. 5, the driving device 20 continues to drive the second end of the crank 311 to move toward the first clamping portion 11, thereby causing the link 312 to push the rotating portion 32 toward the first clamping portion 11. Directional motion (the straight arrow in FIG. 5 points to the direction of movement of the rotating portion), the distance between the second clamping portion 33 and the first clamping portion 11 is further brought closer, and the object to be tested 60 gradually returns to its original state, with In this same manner, the external thread 321 on the rotating rod cooperates with the internal thread in the through hole, so that the rotating rod rotates along the central axis against the cymbal (the circular arc arrow in FIG. 5 points to the rotation direction of the rotating rod), The test object 60 gradually returns to its original state.

[0045] In order to make the rotating rod in the embodiment more smooth in the through hole, preferably, the external thread 321 in this embodiment has a slope greater than 45°. In order to make the movement of the rotating lever in the embodiment more stable, preferably, the rail bracket 40 in the embodiment is plural, and the plurality of rail brackets 40 are spaced apart along the length direction of the rotating portion 32. In operation, the driving device 20 drives the push-pull portion 31 to move, thereby driving the rotating portion 32 to move in the plurality of rail brackets 40, and the plurality of rail brackets 40 support the rotating rod to make the movement more stable.

[0046] wherein the internal thread on each rail bracket 40 is adapted to the external thread corresponding to the position on the rotating rod, that is, each rail bracket is different due to the position of the rotating rod corresponding to each rail bracket 40. 40 The internal internal thread is also positioned differently and needs to be adapted to the external thread. In operation, the rail brackets 40 at different positions support the rotating lever so as to be stably moved by the push-pull portion 31.

[0047] In order to improve the stability of the rotation of the rotating rod, the structure is simple and the cost is reduced. Preferably, the number of the rail brackets 40 in the embodiment is two.

In the first clamping portion 11 of the embodiment, the first pressing piece 13 and the second clamping portion 33 are disposed on the second pressing piece 34, and the two ends of the object to be tested 60 are respectively pressed by the first pressure. The sheet 13 and the second sheet 34 are pressed. Specifically, the first pressing piece 13 and the second pressing piece 34 are provided with through holes, and the first clamping part 11 and the second clamping part 33 are provided with screw holes, and the through holes are correspondingly installed with the screw holes, the screws The utility model is disposed in the through hole and the threaded hole, and the two ends of the object to be tested are respectively sandwiched between the first pressing piece 13 and the main body of the first clamping portion 11 and the second pressing piece 34 and the second clamping portion Between the sections 33. When it is necessary to experiment on the next object to be tested, reverse Rotating the screw to release the first pressing piece 13 and the second pressing piece 34 from the pressing state, taking out the object to be tested before, and replacing the object to be tested which needs to be tested. After the replacement is completed, rotating the screw to make the first pressing piece 13 and the first piece The two pressing pieces 34 press the both ends of the object to be tested, and the sliding and rotating mechanism 30 performs a rotational tensile test.

[0049] In order to facilitate the mounting of the drive unit 20 and to provide a rotational space for the crank, preferably, the base 10 is provided with a support frame 50 on which the drive unit 20 is mounted. Working 吋, the crank 311 is rotated about the output shaft of the driving device 20, and when the second end of the crank 311 is rotated below the output shaft, the height of the support frame 50 provides the movement space for the movement of the second end of the crank 311. The second end of the crank 311 can be smoothly passed, and is again turned to the upper side of the output shaft, thereby reciprocating to realize repeated stretching of the object 60 to be tested.

[0050] Preferably, the driving device 20 in this embodiment is a motor, and of course, other mechanisms that can satisfy the movement of the driving device 20 in the embodiment can be used.

[0051] From the above description, it can be seen that the foregoing embodiment of the present embodiment achieves the following technical effects: [0052] The 揉搓 test platform of the embodiment is in operation, and the driving device drives the push-pull rotating mechanism to complete the test. The stretching and rotation of the object, only the driving device provides a power to make the push-pull portion stretch the object under test

, the rotating part is rotated by the object to be tested, and the structure is simpler.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Within the spirit and principles of the present invention

Any modifications, equivalent substitutions, improvements, etc., are intended to be included within the scope of the present invention.

Claims

Claim

[Claim 1] A flaw test platform, comprising:

Base (10);

a driving device (20), the driving device (20) is mounted on the base (10); a push-pull rotating mechanism (30), the push-pull rotating mechanism (30) is mounted on the base (10), a first end of the push-pull rotating mechanism (30) is coupled to the driving device (20), a second end of the push-pull rotating mechanism (30) is coupled to the object to be tested (60), and the push-pull rotating mechanism (30) is The object to be tested (60) is stretched and rotated.

[Claim 2] The sputum test platform according to claim 1, wherein the push-pull rotating mechanism (30) comprises:

a push-pull portion (31), the first end of the push-pull portion (31) is connected to the driving device (20);

The rotating portion (32), the first end of the rotating portion (32) is rotatably mounted at the second end of the push-pull portion (31).

[Claim 3] The flaw test platform according to claim 2, wherein the base (10) is provided with a first clamping portion (11), and the push-pull rotating mechanism (30) further includes a second a clamping portion (33), wherein the second clamping portion (33) is fixed to both ends of the second object to be tested (60) of the rotating portion (32) by the first clamping portion ( 11) clamped with the second clamping portion (33).

[Claim 4] The flaw test platform according to claim 2, wherein the push-pull portion (31)

) includes:

a crank (311), a first end of the crank (311) and a connecting device (20) connected to the connecting rod (312), the first end of the connecting rod (312) and the crank (311) a two-end hinge, the rotating portion (32) is rotatably mounted on the second of the connecting rod (312)

[Claim 5] The flaw test platform according to claim 4, wherein the push-pull portion (31) ) Also includes:

a universal joint (313), the first end of the universal joint (313) is connected to the second end of the connecting rod (312), and the rotating portion (32) is passed through the universal joint (313) Rotatingly mounted at the second end of the connecting rod (312).

[Claim 6] The flaw test platform according to claim 2, wherein the rotating portion (32)

a rotating rod, the outer portion of the rotating rod is provided with an external thread (321), the base (10) is provided with a rail bracket (40), and the rail bracket (40) is provided with a through hole, A rotating rod is disposed in the through hole, and an inner thread is disposed on the hole wall of the through hole, and the external thread (321) is matched with the internal thread.

[Claim 7] The flaw test platform according to claim 6, wherein the external thread (321)

The slope is greater than 45°.

[Claim 8] The flaw test platform according to claim 6, wherein the rail bracket (4)

0) In plurality, the plurality of rail brackets (40) are spaced apart along the length of the rotating portion (32).

[Claim 9] The flaw test platform according to claim 3, wherein the first clamping portion

(11) is provided with a first pressing piece (13), and the second clamping part (33) is provided with a second pressing piece (34), and both ends of the object to be tested (60) are respectively The first tablet (13) and the second tablet (34) are pressed.

[Claim 10] The crucible test platform according to claim 1, wherein the base (10) is provided with a support frame (50), and the driving device (20) is mounted on the support frame (50)

).