CN218067428U - Equipment for detecting variable load and fracture load of alpine ski - Google Patents
Equipment for detecting variable load and fracture load of alpine ski Download PDFInfo
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- CN218067428U CN218067428U CN202221465397.8U CN202221465397U CN218067428U CN 218067428 U CN218067428 U CN 218067428U CN 202221465397 U CN202221465397 U CN 202221465397U CN 218067428 U CN218067428 U CN 218067428U
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Abstract
The utility model belongs to the technical field of ski performance detection, and discloses a device for detecting variable load and fracture load of alpine ski shape, which comprises a test base, a loading mechanism and a supporting mechanism, wherein the loading mechanism and the supporting mechanism are fixedly arranged on the test base; the supporting mechanism comprises locking clamps and horizontal fulcrums which are symmetrically arranged on two sides of the loading mechanism, and the clamping position of each locking clamp and the fulcrum position of each horizontal fulcrum are located at the same height; the loading mechanism comprises a gantry support fixedly arranged on the test base, a driving assembly fixedly arranged on the gantry support and a force application assembly which is in transmission connection with the driving assembly and is used for applying load to the sample; and a force value sensor is fixedly arranged on the force application component, and a displacement sensor is arranged below a working position formed by the force application component. The utility model discloses can realize having filled the blank in internal skis detection area to the survey of mountain skis deformation load and fracture load.
Description
Technical Field
The utility model belongs to the technical field of the skis capability test, concretely relates to alpine skiing board shape becomes load and fracture load check out test set.
Background
The deformation load and the fracture load of the alpine snowboard are important indexes for evaluating the quality of products. According to investigation and research, the snowboard can be continuously subjected to the action of loads such as bending, flexing, deforming and the like in alpine skiing, when the deformation load and the fracture load index performance of the snowboard do not reach the standard, the snowboard is very easy to plastically deform or fracture during alpine skiing, and the snowboard is easy to hurt a skier and even cause safety accidents.
At present, relevant standards are not provided in China for ski products, so that the ski products are generally subjected to relevant index detection according to international standard ISO 6265-2013 'determination of deformation load and fracture load of alpine skis'. The specific detection means is as follows: when the simulated snowboard is subjected to the load which is enough to damage the structure of the snowboard, the deformation of the snowboard is detected to judge whether the snowboard meets the standard requirement.
However, through the research of the national sports product quality supervision and inspection center, which is an authoritative detection mechanism in the national sports industry, no detection equipment capable of completing the corresponding detection process under the above standard requirements is produced or developed at home at present.
Disclosure of Invention
For solving exist among the prior art more than not enough, the utility model aims at providing a alpine ski shape deformation load and fracture load check out test set to can realize the survey to alpine ski deformation load and fracture load, and then reach the purpose of filling the blank in internal ski detection area.
In order to achieve the above object, the utility model adopts the following technical scheme: a device for detecting variable load and breaking load of a alpine ski comprises a test base, a loading mechanism and a supporting mechanism, wherein the loading mechanism and the supporting mechanism are fixedly arranged on the test base;
the supporting mechanism comprises locking clamps and a horizontal fulcrum which are symmetrically arranged at two sides of the loading mechanism, and the clamping position of the locking clamps and the fulcrum position of the horizontal fulcrum are positioned at the same height;
the loading mechanism comprises a gantry support fixedly arranged on the test base, a driving assembly fixedly arranged on the gantry support and a force application assembly which is in transmission connection with the driving assembly and is used for applying load to the sample; a force value sensor is fixedly mounted on the force application assembly, and a displacement sensor is arranged below a working position formed by the force application assembly.
As the limitation of the utility model, the driving component comprises a ball screw assembled on the gantry support along the height direction of the gantry support and a servo motor which is fixedly arranged on the testing base and is in transmission connection with the ball screw;
the force application assembly is assembled on the ball screw through a screw nut.
As a further limitation of the present invention, the force application assembly includes a loading beam having two ends assembled on the ball screw through a screw nut, and a loading block fixedly mounted on the loading beam;
the force value sensor is fixedly arranged between the loading cross beam and the loading block.
As a further limitation of the present invention, a plurality of optical axes for guiding the force application assembly are further fixedly arranged on the gantry support along the height direction; the force application assembly is assembled on a plurality of optical axes through the guide sliding block and the guide grooved wheel.
As the utility model discloses a further inject again, gantry support's inboard still is equipped with the flexible paper that is used for sheltering from ball and optical axis.
As another limitation of the utility model, the locking clamp includes the locking support, assembles the first splint on the locking support and adorns admittedly on the locking support and be located the second splint of first splint below through the jackscrew.
As the utility model discloses a further inject, still be equipped with a plurality of guide rails that are used for the direction of first splint between the entablature of first splint and locking support.
As a third limitation of the present invention, the horizontal pivot comprises a fulcrum bracket and a low friction roller rotatably connected to the fulcrum bracket.
As a further limitation of the utility model, a plurality of reinforcing rods for reinforcing the structure are arranged on the fulcrum bracket.
Since the technical scheme is adopted, compared with the prior art, the utility model, the beneficial effect who gains is:
(1) The utility model discloses can satisfy the index requirement when carrying out deformation load and fracture load measurement to the alpine ski in international standard ISO 6265-2013 "alpine ski deformation load and fracture load survey", fill the blank in domestic ski detection area. The utility model discloses a scientific detection, short-term test to the alpine ski, and then have impeld manufacturing enterprise's quality effective control, have realized the efficiency and the level of alpine ski quality supervision better, provide technical support and equipment guarantee for china's sports detection work.
(2) The utility model discloses the inboard flexible paper of adorning admittedly of well gantry support can be flexible along with reciprocating of loading crossbeam, can prevent that dust, foreign matter from getting into gantry support inside on the one hand, and on the other hand can avoid parts such as staff limbs and ball to contact and take place danger.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a front view of the structure relationship of the embodiment of the present invention;
fig. 3 is a schematic structural view of a supporting mechanism in an embodiment of the present invention;
in the figure: 1. testing the base; 2. a support leg; 3. stretching paper; 4. a force value sensor; 5. a displacement sensor; 6. a gantry support; 7. a ball screw; 8. a servo motor; 9. loading a beam; 10. loading a block; 11. an optical axis; 12. a guide slider; 13. a guide sheave; 14. locking the bracket; 15. a first splint; 16. a second splint; 17. carrying out top thread; 18. a fulcrum support; 19. a low friction roller.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It is to be understood that the preferred embodiments described herein are for purposes of illustration and understanding only and are not intended to limit the invention.
Embodiment of the invention provides a device for detecting variable load and fracture load of alpine ski
As shown in fig. 1, the present embodiment includes a testing base 1, and a loading mechanism and a supporting mechanism fixed on the testing base 1. Wherein, the bottom four corners of test base 1 all sets firmly height-adjustable's stabilizer blade 2 to can adjust the holistic height of equipment and levelness.
Specifically, as shown in fig. 2, the loading mechanism includes a gantry support 6, a driving assembly and a force application assembly. Wherein, the gantry support 6 is fixedly arranged on the test base 1; the driving assembly comprises two groups of ball screws 7 which are fixedly arranged on the gantry support 6 in parallel along the height direction of the gantry support 6 and a servo motor 8 which is fixedly arranged on the test base 1 and is in transmission connection with the ball screws 7; the force application assembly comprises a loading cross beam 9 and a loading block 10, wherein two ends of the loading cross beam 9 are assembled on the ball screw 7 through screw nuts, and the loading block 10 is fixedly arranged on the loading cross beam 9. When the detection is performed, the servo motor 8 drives the ball screw 7 to rotate through the speed reducer and the synchronous belt, and further drives the loading beam 9 and the loading block 10 to ascend or descend along the vertical direction, so that a specified load is applied to the sample.
Furthermore, a force value sensor 4 is fixedly arranged between a loading beam 9 and a loading block 10 of the force application assembly; and a displacement sensor 5 is arranged below a working position formed by a loading block 10 in the force application assembly. And the force value sensor 4 and the displacement sensor 5 are in signal connection with the PC end upper computer. In this embodiment, the force value sensor 4 adopts a spoke type sensor, and the displacement sensor 5 adopts a milan KTR self-resetting type linear displacement sensor 5.
In this embodiment, a plurality of optical axes 11 for guiding the force application component are further fixedly arranged on the gantry support 6 along the height direction. As shown in fig. 2, in the present embodiment, four optical axes 11 are provided, and are respectively located at two sides of the gantry support 6; as shown in fig. 3, the load beam 9 in the force application assembly is mounted on the optical axis 11 through a guide slider 12 and a guide sheave 13, and can slide up and down along the optical axis 11. During detection, the optical axis 11 can reduce the pressure applied to the ball screw 7 by the loading beam 9, and simultaneously limit the movement track of the loading beam 9, thereby ensuring that the loading beam 9 moves vertically.
In this embodiment, the inside of the gantry support 6 is further provided with a retractable paper 3 for shielding the ball screw 7 and the optical axis 11, as shown in fig. 1.
As shown in fig. 1 and 3, the supporting mechanism includes locking clamps and horizontal fulcrums symmetrically disposed at two sides of the loading mechanism. The locking clamp comprises a locking bracket 14 fixedly arranged on the test base 1, a first clamping plate 15 assembled on the locking bracket 14 through a top thread 17, and a second clamping plate 16 fixedly arranged on the locking bracket 14. The first clamp 15 and the second clamp 16 vertically correspond to each other and form a clamping position for clamping and fixing a sample, and the clamping position is at the same height as a fulcrum position of a horizontal fulcrum. By turning the jackscrew 17, the first clamping plate 15 can be controlled to move downwards to be close to the second clamping plate 16 or move upwards to be far away from the second clamping plate 16, so as to clamp or loosen the sample.
In this embodiment, a plurality of guide rails for guiding the movement of the first clamping plate 15 are further provided between the second clamping plate 16 and the upper cross beam of the locking bracket 14.
The horizontal fulcrum comprises a fulcrum bracket 18 and a low-friction roller 19 rotatably connected to the fulcrum bracket 18. The low friction roller 19 is a fulcrum position of the horizontal fulcrum, and the height of the low friction roller is consistent with the clamping position of the locking clamp. In order to improve the rigidity of the fulcrum support 18 and avoid deformation of the fulcrum support due to excessive stress in the detection process, in the embodiment, a plurality of reinforcing rods for reinforcing the structure are further fixedly arranged between two vertical plates of the fulcrum support 18.
Before the present embodiment is used, the level of the device needs to be adjusted in advance, that is, the height of the support legs 2 at the bottom end of the test base 1 is adjusted to make the device level as a whole. In addition, when the sample is detected, a cushion block with the size meeting the standard requirement is matched, the surface of the cushion block, which is in contact with the loading block 10, is made of stainless steel materials, and the surface of the cushion block, which is in contact with the sample, is made of materials with the hardness of 90 +/-5, so that the stress position of the snowboard when the loading block 10 applies load to the snowboard is unified. The specific detection process is as follows:
firstly, a sample is placed on a supporting mechanism, one end of the sample is locked and fixed by a locking clamp, the other end of the sample is placed on a horizontal pivot, and meanwhile, the sample is ensured to be positioned below a loading block 10 in a loading mechanism. Then, a servo motor 8 is controlled to start through a PC end upper computer and a PLC control system, a ball screw 7 is driven to rotate through a speed reducer and a synchronous belt, and a loading beam 9 and a loading block 10 are further driven to press downwards at a constant speed along the vertical direction so as to apply load to the sample until the skis are broken. In the process, the force value sensor 4 and the displacement sensor 5 record corresponding data, transmit the data to the PC end upper computer, and obtain corresponding results through internal degree operation. And the numerical value recorded in the process can also display a displacement change curve and a force value change curve in a PC (personal computer) end upper computer so as to be referred by workers.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it will be apparent to those skilled in the art that modifications can be made to the technical solutions described in the above-mentioned embodiments, or some technical features can be replaced with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a mountain skiing board becomes load and load at break check out test set which characterized in that: the device comprises a test base, a loading mechanism and a supporting mechanism, wherein the loading mechanism and the supporting mechanism are fixedly arranged on the test base;
the supporting mechanism comprises locking clamps and horizontal fulcrums which are symmetrically arranged on two sides of the loading mechanism, and the clamping position of each locking clamp and the fulcrum position of each horizontal fulcrum are located at the same height;
the loading mechanism comprises a gantry support fixedly arranged on the test base, a driving assembly fixedly arranged on the gantry support and a force application assembly which is in transmission connection with the driving assembly and is used for applying load to the sample; a force value sensor is fixedly mounted on the force application assembly, and a displacement sensor is arranged below a working position formed by the force application assembly.
2. The alpine ski deformation load and fracture load detection apparatus of claim 1, wherein: the driving assembly comprises a ball screw assembled on the gantry support along the height direction of the gantry support and a servo motor fixedly arranged on the test base and in transmission connection with the ball screw;
the force application assembly is assembled on the ball screw through a screw nut.
3. The alpine ski deformation load and break load detection apparatus of claim 2, wherein: the force application assembly comprises a loading cross beam and a loading block, wherein the two ends of the loading cross beam are assembled on a ball screw through screw nuts, and the loading block is fixedly arranged on the loading cross beam;
the force value sensor is fixedly arranged between the loading cross beam and the loading block.
4. The alpine ski deformation load and breaking load detecting apparatus of claim 2 or 3, wherein: a plurality of optical axes for guiding the force application assembly are fixedly arranged on the gantry support along the height direction; the force application assembly is assembled on a plurality of optical axes through the guide sliding block and the guide grooved wheel.
5. The alpine ski deformation load and break load detection apparatus of claim 4, wherein: and telescopic paper used for shielding the ball screw and the optical axis is further arranged on the inner side of the gantry support.
6. The alpine ski deformation load and fracture load detection apparatus of any one of claims 1 to 3 and 5, wherein: the locking clamp comprises a locking support, a first clamping plate assembled on the locking support through a jackscrew and a second clamping plate fixedly arranged on the locking support and positioned below the first clamping plate.
7. The alpine ski deformation load and break load detection apparatus of claim 6, wherein: a plurality of guide rails for guiding the first clamping plate are arranged between the second clamping plate and the upper cross beam of the locking bracket.
8. The alpine ski deformation load and breaking load detecting apparatus of any one of claims 1 to 3, 5, and 7, wherein: the horizontal fulcrum comprises a fulcrum bracket and a low-friction roller which is rotatably connected to the fulcrum bracket.
9. The alpine ski deformation load and break load detection apparatus of claim 8, wherein: the fulcrum bracket is also provided with a plurality of reinforcing rods for reinforcing the structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221465397.8U CN218067428U (en) | 2022-06-13 | 2022-06-13 | Equipment for detecting variable load and fracture load of alpine ski |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221465397.8U CN218067428U (en) | 2022-06-13 | 2022-06-13 | Equipment for detecting variable load and fracture load of alpine ski |
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| CN218067428U true CN218067428U (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221465397.8U Active CN218067428U (en) | 2022-06-13 | 2022-06-13 | Equipment for detecting variable load and fracture load of alpine ski |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118655002A (en) * | 2024-08-21 | 2024-09-17 | 清华大学 | Intensity detection equipment for snowboard processing |
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2022
- 2022-06-13 CN CN202221465397.8U patent/CN218067428U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118655002A (en) * | 2024-08-21 | 2024-09-17 | 清华大学 | Intensity detection equipment for snowboard processing |
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