CN117804944A - Plastic rope skipping fatigue life testing arrangement - Google Patents
Plastic rope skipping fatigue life testing arrangement Download PDFInfo
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- CN117804944A CN117804944A CN202410226739.8A CN202410226739A CN117804944A CN 117804944 A CN117804944 A CN 117804944A CN 202410226739 A CN202410226739 A CN 202410226739A CN 117804944 A CN117804944 A CN 117804944A
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- rope skipping
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- skipping
- rod
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- 238000012360 testing method Methods 0.000 title claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
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Abstract
The invention discloses a plastic rope skipping fatigue life testing device, which relates to the technical field of rope skipping detection and comprises a bottom plate, wherein two ends of the top of the bottom plate are fixedly connected with side plates, and a rope skipping driving assembly and a receiving assembly are arranged between the two side plates; the invention can drive a plurality of groups of skipping ropes simultaneously by arranging the skipping rope driving assembly, so that the skipping ropes can simulate the motion state of people in use, the plurality of groups of skipping ropes can be separately supported by arranging the supporting assembly, a plurality of groups of test data can be obtained by arranging the surfaces with different friction coefficients on the plurality of groups of supporting assemblies to contact the skipping ropes, and the service life of the skipping ropes can be detected according to the service length of the skipping ropes.
Description
Technical Field
The invention relates to the technical field of rope skipping detection, in particular to a plastic rope skipping fatigue life testing device.
Background
Plastic jump ropes are a common sport equipment and take up a large share in the market. However, due to frequent use, the plastic rope skipping is easy to generate fatigue fracture, and potential safety hazards are brought to users. In order to ensure the quality and safety of the plastic rope skipping, it is necessary to perform a fatigue life test on it. However, the existing plastic rope skipping fatigue life testing device has some problems.
The traditional plastic rope skipping fatigue life testing device usually adopts a fixed tension or rotation mode for testing, and the method is simple, but has the defects of inaccurate testing results, low testing efficiency and the like. Meanwhile, as the test condition is single, various conditions in actual use cannot be simulated, and the test result is greatly different from the actual condition.
Therefore, the novel plastic rope skipping fatigue life testing device is developed to improve testing accuracy and testing efficiency, and the novel plastic rope skipping fatigue life testing device becomes a current problem to be solved urgently.
Disclosure of Invention
The invention provides a device for testing fatigue life of a plastic rope skipping, which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the plastic rope skipping fatigue life testing device comprises a bottom plate, wherein two ends of the top of the bottom plate are fixedly connected with side plates, and a rope skipping driving assembly and a receiving assembly are arranged between the two side plates;
the rope skipping driving assembly comprises a transverse rod fixedly arranged between two side plates, a plurality of groups of rope skipping connecting mechanisms are arranged on the transverse rod, each group of rope skipping connecting mechanisms comprises two swing arms, the two swing arms are symmetrically arranged along the middle of the transverse rod, the two swing arms are rotationally connected with the transverse rod, the adjacent sides of the two swing arms are fixedly connected with mounting rods, a rope skipping to be detected is fixedly connected between the two mounting rods, and an internal driving mechanism for driving the swing arms to rotate is arranged in the transverse rod;
the bearing assembly comprises a rotating column which is rotationally connected between the two side plates, a plurality of contact surfaces are arranged on the outer side of the rotating column, and the contact surfaces are arranged at equal intervals on the circumference of the outer side of the rotating column;
the outside fixedly connected with fixed cover of transverse rod, the bottom fixed connection plug bush of fixed cover has inserted the extension rod in the plug bush, and the extension rod arc sets up, and the one end fixed connection fixed plug of extension rod keeping away from the plug bush, the one end fixed connection loading board of extension rod is kept away from to fixed plug.
As a preferable technical scheme of the invention, the top end and the inside of the bearing plate are provided with mounting grooves, and each mounting groove is internally provided with a contact plate.
As a preferable technical scheme of the invention, the plug bush is connected with a locking bolt in a threaded manner.
As a preferable technical scheme of the invention, the internal driving mechanism comprises a driving channel arranged in a transverse rod, a gear groove communicated with the driving channel is arranged at the top of the transverse rod, an internal gear is arranged in the driving channel, the internal gear penetrates through the gear groove and extends to the outside of the transverse rod, a mounting hole is formed in a penetrating manner in a swinging arm, the transverse rod penetrates through the mounting hole, the gear groove is positioned at the inner side of the mounting hole, an inner gear ring is arranged on the inner wall of the mounting hole, the internal gear is connected with the inner gear ring in a meshed manner, and a plurality of internal gears are fixedly connected with the driving rod in a penetrating manner in a coaxial manner.
As a preferable technical scheme of the invention, the side plate is fixedly provided with the mounting frame, the mounting frame is fixedly connected with the driving motor, the output shaft of the driving motor is coaxially and fixedly connected with the driving gear, the driving gear is meshed with the end gear, and the end gear is coaxially and fixedly connected with the driving rod.
As a preferred embodiment of the present invention, the diameter of the drive gear is larger than the diameter of the end gear.
As a preferable technical scheme of the invention, the inner wall of the mounting hole is fixedly provided with a rotating ring, and the outer part of the transverse rod is provided with an annular groove corresponding to the rotating ring.
As a preferable technical scheme of the invention, the rotating column is coaxially and fixedly connected with the switching rod, the switching rod penetrates through the side plate and is coaxially and fixedly connected with the switching seat, a plurality of clamping grooves are formed in the outer portion of the switching seat, lifting grooves are formed in the side plate, and clamping rods corresponding to the clamping grooves are connected in a sliding mode in the lifting grooves.
The invention has the following advantages: according to the invention, the rope skipping driving assembly is arranged to drive a plurality of groups of rope skipping simultaneously, so that the rope skipping simulates a motion state in artificial use, the plurality of groups of rope skipping can be carried out in a separated mode through the carrying assembly, a plurality of groups of test data can be obtained through the contact between the surfaces with different friction coefficients on the plurality of groups of carrying assemblies and the rope skipping, the service life of the rope skipping can be detected according to the service length of the rope skipping, the detection simulation degree of the plastic rope skipping is high, and the detection data are rich.
Drawings
FIG. 1 is a schematic diagram of a plastic rope skipping fatigue life testing device.
Fig. 2 is a schematic structural view of a receiving assembly in a plastic rope skipping fatigue life testing device.
Fig. 3 is a schematic structural diagram of a swing arm in a plastic rope skipping fatigue life testing device.
Fig. 4 is a schematic structural diagram of an internal driving mechanism in the plastic rope skipping fatigue life testing device.
Fig. 5 is a schematic structural diagram of a switching seat in the plastic rope skipping fatigue life testing device.
Fig. 6 is a schematic structural view of example 2 of a plastic rope skipping fatigue life testing device.
In the figure: 1. a bottom plate; 2. a side plate; 3. a transverse bar; 4. an end gear; 5. a drive gear; 6. a driving motor; 7. a mounting frame; 8. swing arms; 9. a mounting rod; 10. a rope skipping to be tested; 11. a receiving assembly; 12. rotating the column; 13. a contact surface; 14. a fixed sleeve; 15. a plug bush; 16. an extension rod; 17. a locking bolt; 18. fixing the plug; 19. a carrying plate; 20. a mounting hole; 21. a rotating ring; 22. an inner gear ring; 23. a gear groove; 24. an internal gear; 25. a driving rod; 26. a mounting groove; 27. a contact plate; 28. a switching seat; 29. a clamping groove; 30. and (5) clamping the rod.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
It should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Examples
Referring to fig. 1-5, a plastic rope skipping fatigue life testing device comprises a bottom plate 1, wherein two ends of the top of the bottom plate 1 are fixedly connected with side plates 2, and a rope skipping driving assembly and a receiving assembly 11 are arranged between the two side plates 2;
the rope skipping driving assembly comprises a transverse rod 3 fixedly arranged between two side plates 2, a plurality of groups of rope skipping connecting mechanisms are arranged on the transverse rod 3, each group of rope skipping connecting mechanisms comprises two swing arms 8, the two swing arms 8 are symmetrically arranged along the middle of the transverse rod 3, the two swing arms 8 are rotationally connected with the transverse rod 3, the adjacent sides of the two swing arms 8 are fixedly connected with mounting rods 9, a rope skipping 10 to be detected is fixedly connected between the two mounting rods 9, and an internal driving mechanism for driving the swing arms 8 to rotate is arranged in the transverse rod 3;
the bearing assembly 11 comprises a rotating column 12 rotatably connected between the two side plates 2, a plurality of contact surfaces 13 are arranged on the outer side of the rotating column 12, and the contact surfaces 13 are arranged at equal intervals on the outer circumference of the rotating column 12;
the outside fixedly connected with fixed cover 14 of transverse rod 3, the bottom fixed connection plug bush 15 of fixed cover 14 has extension rod 16 in the plug bush 15, and extension rod 16 arc sets up, and the one end fixed connection fixed plug 18 of extension rod 16 keeping away from plug bush 15, the one end fixed connection loading board 19 of fixed plug 18 keeping away from extension rod 16.
Further, the bearing plate 19 is connected with the fixed plug 18 in a threaded connection manner, so that the rotation angle of the bearing plate 19 can be adjusted in a small range, and the bearing plate 19 can be contacted with the rope skipping 10 to be tested at a more proper angle.
The plug bush 15 is connected with a locking bolt 17 in a threaded manner.
The inside actuating mechanism is including setting up the drive channel in the transverse rod 3, the gear groove 23 that is linked together with the drive channel has been seted up at the top of transverse rod 3, be equipped with inside gear 24 in the drive channel, inside gear 24 passes gear groove 23 and extends to the outside of transverse rod 3, install hole 20 has been seted up in the last running through of swing arm 8, transverse rod 3 runs through install hole 20, gear groove 23 is located the mounting hole 20 inboard, the inner wall of install hole 20 is equipped with ring gear 22, inside gear 24 and ring gear 22 meshing are connected, a plurality of inside gears 24 run through fixed connection actuating lever 25 jointly coaxial.
The side plate 2 is fixedly provided with a mounting frame 7, the mounting frame 7 is fixedly connected with a driving motor 6, an output shaft of the driving motor 6 is coaxially and fixedly connected with a driving gear 5, the driving gear 5 is meshed with a connecting end gear 4, and the end gear 4 is coaxially and fixedly connected with a driving rod 25.
The diameter of the drive gear 5 is larger than the diameter of the end gear 4. When the drive gear 5 rotates, the end gear 4 can be driven to rotate at a high speed.
The inner wall of the mounting hole 20 is fixedly provided with a rotating ring 21, and the outside of the transverse rod 3 is provided with an annular groove corresponding to the rotating ring 21.
The rotating column 12 is coaxially and fixedly connected with a switching rod, the switching rod passes through the side plate 2 and is coaxially and fixedly connected with a switching seat 28, a plurality of clamping grooves 29 are formed in the outer portion of the switching seat 28, lifting grooves are formed in the side plate 2, and clamping rods 30 corresponding to the clamping grooves 29 are slidably connected in the lifting grooves. After the contact surface 13 outside the rotation post 12 is switched, the locking lever 30 is placed in the locking groove 29, and the rotation of the rotation post 12 is restricted.
Further, the friction coefficients of the contact surfaces 13 are different, and the friction coefficients of the outer surfaces of the contact plates 27 are different.
Examples
Referring to fig. 1 to 6, the other contents of this embodiment are the same as those of embodiment 1, except that: mounting grooves 26 are formed in the top end and the inside of the bearing plate 19, and contact plates 27 are placed in each mounting groove 26.
In the implementation process, the to-be-tested rope skipping 10 is arranged on the mounting rod 9, and the lengths of the rope skipping connected with each group of rope skipping connecting mechanisms are unequal, so that the fatigue lives of the rope skipping with different lengths under the same friction coefficient can be detected;
the specific detection mode is as follows: the driving motor 6 is controlled to start, the driving motor 6 drives the driving gear 5 to rotate, the end gear 4 further rotates, the end gear 4 drives the driving rod 25 to rotate, the plurality of internal gears 24 rotate, and the plurality of swinging arms 8 are driven to do circular motion by a plurality of eccentrics under the meshing action, so that a plurality of rope skipping is driven to move;
when the rope skipping moves, the rope skipping intermittently contacts the contact plate 27 and the contact surface 13, so that the actual rope skipping simulation operation is realized;
when it is necessary to detect the fatigue life of the jump rope by contacting the jump rope with the surfaces having different friction coefficients, the change of the friction coefficient of the surfaces contacting the jump rope can be achieved by rotating the rotating column 12 to bring the different contact surfaces 13 into contact with the jump rope 10 to be detected and placing the different contact plates 27 on the mounting grooves 26 at the top ends of the bearing plates 19.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The device for testing the fatigue life of the plastic rope skipping comprises a bottom plate (1), and is characterized in that two ends of the top of the bottom plate (1) are fixedly connected with side plates (2), and a rope skipping driving assembly and a receiving assembly (11) are arranged between the two side plates (2);
the rope skipping driving assembly comprises a transverse rod (3) fixedly arranged between two side plates (2), a plurality of groups of rope skipping connecting mechanisms are arranged on the transverse rod (3), each group of rope skipping connecting mechanisms comprises two swing arms (8), the two swing arms (8) are symmetrically arranged along the middle of the transverse rod (3), the two swing arms (8) are rotationally connected with the transverse rod (3), the adjacent sides of the two swing arms (8) are fixedly connected with mounting rods (9), a rope skipping (10) to be detected is fixedly connected between the two mounting rods (9), and an internal driving mechanism for driving the swing arms (8) to rotate is arranged in the transverse rod (3);
the bearing assembly (11) comprises a rotating column (12) which is rotatably connected between the two side plates (2), a plurality of contact surfaces (13) are arranged on the outer side of the rotating column (12), and the contact surfaces (13) are arranged at equal intervals on the circumference of the outer side of the rotating column (12);
the external fixedly connected with fixed cover (14) of transverse rod (3), bottom fixed connection plug bush (15) of fixed cover (14), peg graft in plug bush (15) have extension rod (16), extension rod (16) arc setting, one end fixed connection fixed plug (18) of extension rod (16) keeping away from plug bush (15), one end fixed connection loading board (19) of extension rod (16) are kept away from to fixed plug (18).
2. The plastic rope-skipping fatigue life testing device according to claim 1, wherein the top end and the inside of the bearing plate (19) are provided with mounting grooves (26), and a contact plate (27) is placed in each mounting groove (26).
3. The plastic rope-skipping fatigue life testing device according to claim 1, wherein the plug bush (15) is connected with a locking bolt (17) in a threaded manner.
4. The plastic rope skipping fatigue life testing device according to claim 1, characterized in that the internal driving mechanism comprises a driving channel arranged in the transverse rod (3), a gear groove (23) communicated with the driving channel is formed in the top of the transverse rod (3), an internal gear (24) is arranged in the driving channel, the internal gear (24) penetrates through the gear groove (23) and extends to the outside of the transverse rod (3), a mounting hole (20) is formed in the swing arm (8) in a penetrating mode, the transverse rod (3) penetrates through the mounting hole (20), the gear groove (23) is located on the inner side of the mounting hole (20), an inner gear ring (22) is arranged on the inner wall of the mounting hole (20), the internal gear (24) is connected with the inner gear ring (22) in a meshed mode, and a plurality of internal gears (24) jointly and coaxially penetrate through the driving rod (25) in a fixed mode.
5. The plastic rope skipping fatigue life testing device according to claim 4, wherein a mounting frame (7) is fixedly arranged on the side plate (2), a driving motor (6) is fixedly connected to the mounting frame (7), an output shaft of the driving motor (6) is coaxially and fixedly connected with a driving gear (5), the driving gear (5) is meshed with and connected with an end gear (4), and the end gear (4) is coaxially and fixedly connected with a driving rod (25).
6. The plastic rope-jump fatigue life testing device according to claim 5, wherein the diameter of the driving gear (5) is larger than the diameter of the end gear (4).
7. The plastic rope skipping fatigue life testing device according to claim 4, wherein the inner wall of the mounting hole (20) is fixedly provided with a rotating ring (21), and an annular groove corresponding to the rotating ring (21) is formed outside the transverse rod (3).
8. The plastic rope skipping fatigue life testing device according to claim 1, wherein the rotating column (12) is coaxially and fixedly connected with a switching rod, the switching rod penetrates through the side plate (2) and is coaxially and fixedly connected with a switching seat (28), a plurality of clamping grooves (29) are formed in the outer portion of the switching seat (28), lifting grooves are formed in the side plate (2), and clamping rods (30) corresponding to the clamping grooves (29) are slidably connected in the lifting grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410226739.8A CN117804944A (en) | 2024-02-29 | 2024-02-29 | Plastic rope skipping fatigue life testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410226739.8A CN117804944A (en) | 2024-02-29 | 2024-02-29 | Plastic rope skipping fatigue life testing arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN117804944A true CN117804944A (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410226739.8A Pending CN117804944A (en) | 2024-02-29 | 2024-02-29 | Plastic rope skipping fatigue life testing arrangement |
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| CN104056422A (en) * | 2014-06-26 | 2014-09-24 | 吴卓进 | Multifunctional automatic rope swinging device |
| CN105860319A (en) * | 2016-04-06 | 2016-08-17 | 丽水学院 | Wear-resistant skipping rope |
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| CN113713314A (en) * | 2021-06-22 | 2021-11-30 | 恒聚(东营)科技发展有限公司 | Full-automatic rope skipping of taking off one's hand |
| KR20220045507A (en) * | 2020-10-05 | 2022-04-12 | 현풍미 | Jump lope device for body trainning |
| CN216433488U (en) * | 2021-10-19 | 2022-05-03 | 昆山百途健身器材配件有限公司 | Rope skipping fatigue life test and detection equipment |
| CN115645818A (en) * | 2022-11-07 | 2023-01-31 | 山东飞尔康体育设施有限公司 | Automatic rope swinging device for rope skipping training |
| CN219532458U (en) * | 2023-02-22 | 2023-08-15 | 广东沃莱科技有限公司 | Rope skipping life-span testing arrangement |
| CN117268974A (en) * | 2023-11-22 | 2023-12-22 | 宝应亿力源绳网有限公司 | Wear-resistant detection device and detection method for braided rope |
| CN117309563A (en) * | 2023-10-31 | 2023-12-29 | 兰州理工大学 | Multi-axis high-cycle fatigue testing device and testing method for metal material |
-
2024
- 2024-02-29 CN CN202410226739.8A patent/CN117804944A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104056422A (en) * | 2014-06-26 | 2014-09-24 | 吴卓进 | Multifunctional automatic rope swinging device |
| CN105860319A (en) * | 2016-04-06 | 2016-08-17 | 丽水学院 | Wear-resistant skipping rope |
| CN208372356U (en) * | 2018-05-31 | 2019-01-15 | 东莞市德育龙电子科技有限公司 | A kind of rope skipping rotation axis |
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| CN113713314A (en) * | 2021-06-22 | 2021-11-30 | 恒聚(东营)科技发展有限公司 | Full-automatic rope skipping of taking off one's hand |
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| CN117309563A (en) * | 2023-10-31 | 2023-12-29 | 兰州理工大学 | Multi-axis high-cycle fatigue testing device and testing method for metal material |
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