CN216955429U - Engineering mechanics tensile test device - Google Patents
Engineering mechanics tensile test device Download PDFInfo
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- CN216955429U CN216955429U CN202220192989.0U CN202220192989U CN216955429U CN 216955429 U CN216955429 U CN 216955429U CN 202220192989 U CN202220192989 U CN 202220192989U CN 216955429 U CN216955429 U CN 216955429U
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Abstract
The utility model provides an engineering mechanics tensile test device, which is used for measuring the tensile strength of a material and comprises a bracket, a tensile test component and a driving component, wherein the tensile test component and the driving component are arranged on the bracket; the tension testing assembly comprises a first clamp arranged on the support and a second clamp arranged on the support and capable of sliding relative to the first clamp, and a material can be clamped between the first clamp and the second clamp; the driving assembly comprises a reel, a rotating shaft and a pull rope, the reel is rotatably arranged on the bracket through the rotating shaft, and the pull rope is connected with the reel and the second clamp; the bullet subassembly includes ratchet and locating part, and the ratchet is located on the pivot, can rotate with the reel together, and the locating part cooperation is connected the ratchet. Through increasing the structure of preventing kick-backing, effectively promote tensile strength's measuring accuracy, solved among the prior art when the test, the material may receive self elastic deformation and kick-backs, leads to the second anchor clamps to kick-back and has reduced measuring accuracy's technical problem.
Description
Technical Field
The utility model relates to the technical field of engineering teaching, in particular to an engineering mechanical tension testing device.
Background
In modern science and technology, material science is one of three major pillars for national economic development, and the major professional directions include metal materials, inorganic non-metal materials, high polymer materials, wear-resistant materials, surface reinforcement, material processing engineering and the like.
Need carry out the tensile test experiment to some polymer fiber materials sometimes so that the student can be more profound experience polymer fiber materials's tensile strength, thereby better teaching, however, fixed establishment among traditional tensile test device is comparatively simple, in the operation process, need operating personnel to fix polymer fiber materials's one end on first anchor clamps, the other end is fixed on the gliding second anchor clamps of first anchor clamps relatively, through the tensile strength that slides second anchor clamps detected the material, however when second anchor clamps slide to specific position, the material probably receives self elastic deformation and kick-backs, and then make the second anchor clamps kick-back, lead to having reduced the measuring accuracy.
SUMMERY OF THE UTILITY MODEL
Based on the above, the utility model aims to provide an engineering mechanical tension testing device, which is used for solving the technical problem that the testing precision is reduced due to the rebound of a second clamp because a material possibly rebounds due to self elastic deformation during testing in the prior art.
The utility model provides an engineering mechanics tensile testing device, which is used for measuring the tensile strength of a material and comprises a bracket, a tensile testing assembly and a driving assembly, wherein the tensile testing assembly and the driving assembly are arranged on the bracket;
the tensile test assembly comprises a first clamp arranged on the bracket and a second clamp arranged on the bracket and capable of sliding relative to the first clamp, and the first clamp and the second clamp can be used for clamping the material;
the driving assembly comprises a reel, a rotating shaft and a pull rope, the reel is rotatably arranged on the bracket through the rotating shaft, and the pull rope is connected with the reel and the second clamp;
drive assembly still includes the structure of preventing kick-backing, the structure of preventing kick-backing includes ratchet and locating part, the ratchet is located in the pivot, can with the reel is together rotated, the locating part cooperation is connected the ratchet is worked as when the reel rotates towards the first direction, the locating part receives ratchet effect of ratchet is kick-backed, is not restricted the reel rotates towards the first direction, works as when the reel rotates towards the second direction, the locating part card is gone into between two adjacent ratchets of ratchet, restriction the reel rotates towards the second direction.
Above-mentioned engineering mechanics tensile test device through increasing the structure of preventing kick-backing, effectively promotes tensile strength's test accuracy, specifically, in the test process, when operating personnel rotated the reel towards the first direction, the locating part received the ratchet effect of ratchet is kick-backed, is not restricted the reel rotates towards the first direction, when the reel rotated towards the second direction, the locating part card was gone into between two adjacent ratchets of ratchet, is restricted the reel rotates towards the second direction, and then avoids the second anchor clamps to kick-back and reduce measurement accuracy, has solved among the prior art when testing, and the material may receive self elastic deformation and kick-back, leads to the second anchor clamps to kick-back and has reduced measurement accuracy's technical problem.
Further, engineering mechanics tensile test device, wherein, the support includes the flat board portion of level setting to and locate inclined plate portion and the vertical board portion on the flat board portion, flat board portion with the integrative connection setting of vertical board portion.
Further, the engineering mechanics tensile test device, wherein, the tensile test subassembly is still including locating be equipped with the guide arm on the swash plate portion, the guide arm sets up along the length direction of swash plate portion, first anchor clamps set firmly in the one end of guide arm, the second anchor clamps slip is located on the guide arm.
Further, the engineering mechanics tensile testing device, wherein the first clamp includes a first clamping component and a first screw, the first clamping component is provided with a through hole, and the first screw is connected to the upper surface of the first clamping component in a threaded manner;
the second clamp comprises a second clamping part and a second screw, a limiting clamping groove is formed in one side, facing the first clamping part, of the second clamping part, and the second screw is in threaded connection with the upper surface of the second clamping part.
Further, the engineering mechanics tensile testing device, wherein, be equipped with the scale mark on the swash plate portion, the scale mark sets up along the length direction of swash plate portion, be equipped with on the second clamping part and correspond the scale pointer of scale mark.
Further, engineering mechanics tensile test device, wherein, drive assembly still includes guide pulley, guide pulley locates on the vertical board portion, the stay cord passes guide pulley connects the second clamping component with the reel.
Further, engineering mechanics tensile test device, wherein, the locating part slides and locates on the vertical board, be equipped with the elastic component between locating part and the vertical board.
Further, engineering mechanics tensile test device, wherein, the second centre gripping part is equipped with the sleeve towards one side of first centre gripping part.
Further, engineering mechanics tensile test device, wherein, the relative both sides of sleeve are equipped with the third screw.
Further, engineering mechanics tensile test device, wherein, be connected with operating handle on the pivot.
Drawings
FIG. 1 is a perspective view of an engineering mechanical tensile testing apparatus according to the present invention at a first viewing angle;
FIG. 2 is a perspective view of the engineering mechanical tensile testing apparatus of the present invention at a second viewing angle;
FIG. 3 is a front view of the engineering mechanical tensile testing apparatus of the present invention;
FIG. 4 is a perspective view of a second clamping member and sleeve in accordance with the present invention;
description of the main element symbols:
the following detailed description will further illustrate the utility model in conjunction with the above-described figures.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, 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. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, the engineering mechanical tensile testing apparatus of the present invention is used for measuring the tensile strength of a material, and includes a frame 10, and a tensile testing assembly and a driving assembly 30 disposed on the frame 10;
the tensile test assembly comprises a first clamp arranged on the support 10 and a second clamp arranged on the support 10 and capable of sliding relative to the first clamp, and the first clamp and the second clamp can be used for clamping the material;
the driving assembly 30 comprises a reel 31, a rotating shaft 32 and a pull rope 33, the reel 31 is rotatably arranged on the bracket 10 through the rotating shaft 32, and the pull rope 33 is connected with the reel 31 and the second clamp;
In this embodiment, the rotating shaft 32 is connected with an operating handle 60. The tester can control the forward rotation or the reverse rotation of the reel 31 by operating the operating handle 60.
Specifically, in the present embodiment, the bracket 10 includes a flat plate portion 11 disposed horizontally, and a slant plate portion 12 and a vertical plate portion 13 disposed on the flat plate portion 11, and the flat plate portion 11 and the vertical plate portion 13 are integrally connected. The flat plate part 11, the vertical plate part 13 and the sloping plate part 12 enclose a triangular accommodating space, and the reel 31 is arranged on the flat plate part 11 in the accommodating space, so that the product structure is more compact.
Further, the limiting member 36 is slidably disposed on the vertical plate portion 13, and an elastic member 37 is disposed between the limiting member 36 and the vertical plate portion 13. In the present embodiment, an end of the limiting member 36 facing the ratchet 35 is a hook-shaped structure, and an elastic member 37 is disposed between an end of the limiting member 36 away from the ratchet 35 and the vertical plate portion 13, where the elastic member 37 is specifically a spring. It can be understood that, when the ratchet wheel 35 rotates counterclockwise, the ratchet teeth of the ratchet wheel 35 will press against the limiting member 36, the elastic member 37 is compressed, and when the limiting member 36 is disengaged from the ratchet teeth, the elastic member 37 will rebound under the elastic force of the elastic member 37, and this cycle will not limit the counterclockwise rotation of the reel 31, and when the ratchet wheel 35 rotates clockwise, the limiting member 36 will be wedged between two adjacent ratchet teeth of the ratchet wheel 35, and thus limit the clockwise rotation of the reel 31.
In addition, it should be noted that, when the second fixture needs to be adjusted and reset after measurement, the operator needs to pull out the limiting member 36 for a certain distance to separate the limiting member 36 from the ratchet wheel 35, so as to avoid limiting the adjustment and reset of the second fixture.
Furthermore, the tensile test assembly further comprises a guide rod 25 arranged on the inclined plate part 12, the guide rod 25 is arranged along the length direction of the inclined plate part 12, the first clamp is fixedly arranged at one end of the guide rod 25, and the second clamp is arranged on the guide rod 25 in a sliding manner.
Specifically, the first clamp comprises a first clamping part 21 and a first screw 22, a through hole is arranged on the first clamping part 21, and the first screw 22 is in threaded connection with the upper surface of the first clamping part 21;
the second clamp comprises a second clamping part 23 and a second screw 24, a limiting clamping groove is formed in one side, facing the first clamping part 21, of the second clamping part 23, and the second screw 24 is in threaded connection with the upper surface of the second clamping part 23. In practical application, an operator can respectively rotate the first screw 22 and the second screw 24 to fix one end of the material in the through hole of the first clamping part 21 and fix the other end of the material in the limiting clamping groove of the second clamping part 23.
Specifically, the inclined plate portion 12 is provided with scale marks 41, the scale marks 41 are arranged along the length direction of the inclined plate portion 12, and the second clamping member 23 is provided with a scale pointer 42 corresponding to the scale marks 41. During the sliding process of the second clamping part 23, the position of the graduation mark 41 can be indicated by the graduation pointer 42, and the coefficient of the tensile strength of the material can be measured.
Further, the driving assembly 30 further includes a guide pulley 34, the guide pulley 34 is disposed on the vertical plate portion 13, and the pull cord 33 passes through the guide pulley 34 to connect the second clamping member 23 and the reel 31. It will be appreciated that routing the pull cord 33 through the guide pulley 34 makes the reel 31 more smooth when spinning.
Further, a sleeve 51 is provided on a side of the second clamping member 23 facing the first clamping member 21. The sleeve 51 is provided with third screws 52 on opposite sides. After the material passes through the sleeve 51 and is inserted into the limiting clamping groove of the second clamping part 23, the third screw 52 can be rotated to clamp two opposite sides of the material, so that the clamping force is further improved.
In summary, the engineering mechanical tension testing device in the above embodiment of the utility model effectively improves the testing precision of the tensile strength by adding the anti-rebounding structure, specifically, in the testing process, when the operator rotates the reel in the first direction, the limiting member rebounds under the action of the ratchet teeth of the ratchet wheel without limiting the rotation of the reel in the first direction, and when the reel rotates in the second direction, the limiting member is clamped between two adjacent ratchet teeth of the ratchet wheel to limit the rotation of the reel in the second direction, thereby avoiding the rebounding of the second clamp to reduce the measuring precision, and solving the technical problem that in the prior art, when testing, the material may rebound due to self elastic deformation, so that the rebounding of the second clamp reduces the testing precision.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An engineering mechanics tensile test device is used for measuring the tensile strength of a material and is characterized by comprising a bracket, a tensile test component and a driving component, wherein the tensile test component and the driving component are arranged on the bracket;
the tensile test assembly comprises a first clamp arranged on the bracket and a second clamp arranged on the bracket and capable of sliding relative to the first clamp, and the first clamp and the second clamp can be used for clamping the material;
the driving assembly comprises a reel, a rotating shaft and a pull rope, the reel is rotatably arranged on the bracket through the rotating shaft, and the pull rope is connected with the reel and the second clamp;
drive assembly still includes anti-rebound structure, anti-rebound structure includes ratchet and locating part, the ratchet is located in the pivot, can with the reel is together rotated, the locating part cooperation is connected the ratchet, works as when the reel rotated towards the first direction, the locating part receives the ratchet effect of ratchet is kick-backed, is not restricted the reel rotates towards the first direction, works as when the reel rotated towards the second direction, the locating part card is gone into between two adjacent ratchets of ratchet, restriction the reel rotates towards the second direction.
2. The engineering mechanical tensile testing device of claim 1, wherein the bracket includes a flat plate portion disposed horizontally, and a slant plate portion and a vertical plate portion disposed on the flat plate portion, and the flat plate portion and the vertical plate portion are integrally connected to each other.
3. The engineering mechanical tensile testing device of claim 2, wherein the tensile testing assembly further comprises a guide rod arranged on the inclined plate portion, the guide rod is arranged along the length direction of the inclined plate portion, the first clamp is fixedly arranged at one end of the guide rod, and the second clamp is slidably arranged on the guide rod.
4. The engineering mechanical tensile testing device of claim 3, wherein the first clamp includes a first clamping member and a first screw, the first clamping member is provided with a through hole, and the first screw is screwed to the upper surface of the first clamping member;
the second clamp comprises a second clamping part and a second screw, a limiting clamping groove is formed in one side, facing the first clamping part, of the second clamping part, and the second screw is in threaded connection with the upper surface of the second clamping part.
5. The engineering mechanical tensile testing device of claim 4, wherein the inclined plate portion is provided with scale marks, the scale marks are arranged along the length direction of the inclined plate portion, and the second clamping component is provided with a scale pointer corresponding to the scale marks.
6. The engineering mechanical tensile testing apparatus of claim 4, wherein the driving assembly further comprises a guide pulley, the guide pulley is disposed on the vertical plate portion, and the pull rope passes through the guide pulley to connect the second clamping member and the reel.
7. The engineering mechanical tensile testing device of claim 2, wherein the limiting member is slidably disposed on the vertical plate portion, and an elastic member is disposed between the limiting member and the vertical plate portion.
8. The engineering mechanical tensile testing apparatus of claim 4, wherein a side of the second clamping member facing the first clamping member is provided with a sleeve.
9. The engineering mechanical tensile testing apparatus of claim 8, wherein third screws are disposed on opposite sides of the sleeve.
10. The engineering mechanical tensile testing device of claim 1, wherein the rotating shaft is connected with an operating handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220192989.0U CN216955429U (en) | 2022-01-24 | 2022-01-24 | Engineering mechanics tensile test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220192989.0U CN216955429U (en) | 2022-01-24 | 2022-01-24 | Engineering mechanics tensile test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216955429U true CN216955429U (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220192989.0U Active CN216955429U (en) | 2022-01-24 | 2022-01-24 | Engineering mechanics tensile test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216955429U (en) |
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2022
- 2022-01-24 CN CN202220192989.0U patent/CN216955429U/en active Active
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