CN117653986A - Sports high jump stay bar and manufacturing method thereof - Google Patents
Sports high jump stay bar and manufacturing method thereof Download PDFInfo
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- CN117653986A CN117653986A CN202311708702.0A CN202311708702A CN117653986A CN 117653986 A CN117653986 A CN 117653986A CN 202311708702 A CN202311708702 A CN 202311708702A CN 117653986 A CN117653986 A CN 117653986A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 239000010410 layer Substances 0.000 claims abstract description 84
- 239000003365 glass fiber Substances 0.000 claims abstract description 57
- 238000004804 winding Methods 0.000 claims abstract description 56
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 52
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 52
- 241001330002 Bambuseae Species 0.000 claims abstract description 52
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 52
- 239000011425 bamboo Substances 0.000 claims abstract description 52
- 239000000853 adhesive Substances 0.000 claims abstract description 11
- 230000001070 adhesive effect Effects 0.000 claims abstract description 11
- 239000011347 resin Substances 0.000 claims abstract description 10
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 239000011241 protective layer Substances 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000002023 wood Substances 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract 2
- 238000000576 coating method Methods 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 3
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000011152 fibreglass Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000009192 sprinting Effects 0.000 description 1
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Abstract
The invention discloses a sports high jump stay bar and a manufacturing method thereof, which relate to the field of sports equipment and comprise a stay bar body, wherein a protection device is arranged at the bottom of the stay bar body, an outer protective layer is arranged outside the stay bar body, the stay bar body is provided with a glass fiber layer and a bamboo winding layer coated on the outer wall of the glass fiber layer, the manufacturing method comprises the steps of winding a glass fiber strip which is soaked in resin adhesive on a mould at an angle by a machine, winding a second layer at the same angle in the opposite direction, taking out the mould after winding, winding three circles on the glass fiber layer by using a rectangular sliced bamboo sheet which is soaked in the resin adhesive around the glass fiber layer, winding three circles by using a trapezoid sliced bamboo sheet which is soaked in the resin adhesive to obtain a bamboo winding layer, curing and forming by microwave heating, and coating a layer of wood wax oil as a protective layer outside the bamboo winding layer; compared with the prior art, the invention has the advantages of low cost, environmental protection, good toughness, strong elasticity and simple manufacturing method.
Description
Technical Field
The invention relates to the technical field of sports equipment, in particular to a sports high jump stay bar and a manufacturing method thereof.
Background
Pole jump is a physical quick force project integrating sprinting, long jump and gymnastics, and is one of the most complex projects in the track and field sports technology, and people have been known as ground long jump and air gymnastics for the complexity, the danger and the ornamental value of the action technology, so that people are concerned by sports lovers. And a stay for high jump is a key equipment for high jump games to help athletes span a height rail. In 1905 europe, bamboo was introduced from china and japan for high jump, but it was gradually replaced due to the disadvantage of the bamboo being easily broken. Current high jump braces are typically made of fiberglass, carbon fiber, with bending characteristics that enable the athlete to store and release energy near the jump point to achieve the desired height. Although conventional high jump braces have evolved somewhat over the years of use, they still have some limitations such as the need to consider the balance between weight and strength, the risk of accidental breakage or breakage, which can cause serious injury to the athlete.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide the sports high jump stay bar with good flexibility, good elasticity and low cost.
In order to solve the problems, the invention adopts the following technical scheme: the novel glass fiber reinforced plastic stay bar comprises a stay bar body, wherein a protection device is arranged at the bottom of the stay bar body, an outer protection layer is arranged outside the stay bar body, and the stay bar body is provided with a glass fiber layer and a bamboo winding layer coated on the outer wall of the glass fiber layer; the glass fiber layer is formed by winding two layers of glass fiber strips, and the bamboo winding layer is formed by winding a rectangular sliced bamboo sheet plate and a trapezoid sliced bamboo sheet plate.
Among the above technical schemes, more specific schemes may be: the protection device is formed by combining a sphere part and a cylinder part, wherein the sphere part is arranged at the bottom, the top of the sphere part is connected with the cylinder part, and the cylinder part is tightly sleeved outside the bottom of the stay bar body.
Further: the sphere part is a solid body, and the sphere part and the cylinder part are both made of rubber materials.
Further: the thicknesses of the rectangular sliced bamboo sheet plates and the trapezoid sliced bamboo sheet plates are 1.5-mm-2 mm.
Further: the outer protective layer is a wood wax oil layer.
The second technical problem to be solved by the invention is to provide a manufacturing method of the sports high jump stay bar, which has the advantages of simple manufacturing process, easy operation, good flexibility, good elasticity and low cost.
In order to solve the problems, the invention adopts the following technical scheme: the high jump stay bar comprises a stay bar body, a protection device and an outer protection layer, wherein the stay bar body is provided with a glass fiber layer and a bamboo winding layer coated on the outer wall of the glass fiber layer, the glass fiber layer is formed by winding two layers of glass fiber strips, and the manufacturing steps are as follows: A. winding a glass fiber strip on a cylindrical die by a machine to form a first layer, wherein an included angle between a tangent line of the winding direction of the glass fiber strip and a central axis of the die is 30-60 degrees, then winding a second layer of glass fiber strip in the opposite direction at the same angle to form a structure of crossing the first layer and the second layer, winding to obtain a glass fiber layer, and finally taking out the die; B. on the basis of a glass fiber layer, firstly winding three circles around the glass fiber layer by a rectangular sliced bamboo sheet plate infiltrated with resin adhesive, and winding three circles by a trapezoid sliced bamboo sheet plate infiltrated with the resin adhesive to obtain a bamboo winding layer; C. the glass fiber layer and the bamboo winding layer are solidified and formed through microwave heating after winding is completed; D. finally, a layer of wood wax oil is coated outside the bamboo winding layer to form an outer protective layer, and the protective device is arranged at the bottom of the supporting rod body.
In the above technical solution, a more specific solution may also be: the thicknesses of the rectangular sliced bamboo sheet plates and the trapezoid sliced bamboo sheet plates are 1.5-mm-2 mm, the widths of the glass fiber strips are 1 mm-2 mm, and the thicknesses of the glass fiber strips are 1.5-mm-2 mm; in the step C, the curing temperature is 140 ℃ and the heating time is 10 minutes.
Further: the protection device is formed by combining a sphere part and a cylinder part, wherein the sphere part is arranged at the bottom, the top of the sphere part is connected with the cylinder part, and the cylinder part is tightly sleeved outside the bottom of the stay bar body.
Further: the sphere part is a solid body, and the sphere part and the cylinder part are both made of rubber materials.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following beneficial effects:
the high jump stay bar has the advantages of low cost, environment friendliness, good toughness and strong elasticity, combines the high strength of glass fibers and the natural elasticity of the sliced bamboo sheet plates, so that athletes can jump a high cross bar more easily, and the high jump performance is improved; the characteristics of material combination and structural design help to reduce the risk of fracture or breakage of the stay bar, thereby improving the safety of athletes; the natural materials such as the sliced bamboo sheet plates are used for reducing the dependence on non-renewable resources, so that the sustainability is improved; the manufacturing method has simple steps and is easy to operate.
Drawings
Fig. 1 is a half cross-sectional view of the present invention.
Fig. 2 is an enlarged sectional view of A-A of fig. 1.
Fig. 3 is a schematic view of the first ply winding direction of the fiberglass ply of the present invention.
Fig. 4 is a schematic view of the winding direction of the second layer of the glass fiber layer of the present invention.
Fig. 5 is a schematic view of winding direction of a trapezoid sliced bamboo sheet of the bamboo winding layer of the present invention.
Fig. 6 is a schematic representation of a fiberglass layer and a bamboo wrapping layer of the present invention.
Description of sequence number:
1. an outer protective layer; 2. a brace body; 3. a protective body; 4. a glass fiber layer; 5. a bamboo winding layer; 6 glass fiber strips; 7. a mold; 8. trapezoid slicing bamboo sheet plates; 9. rectangular sliced bamboo sheet.
Detailed Description
Embodiments of the invention are described in further detail below with reference to the attached drawing figures:
the embodiment 1 shown in fig. 1 and 2 comprises a stay bar body 2, wherein a protection device 3 is arranged at the bottom of the stay bar body, an outer protection layer 1 is arranged outside the stay bar body 2, the stay bar body 2 is provided with a glass fiber layer 4 and a bamboo winding layer 5 coated on the outer wall of the glass fiber layer, the glass fiber layer 4 is formed by winding two layers of glass fiber strips 6, the protection device 3 is formed by combining a sphere part 3-1 and a cylinder part 3-2, the sphere part 3-1 is arranged at the bottom, the top of the sphere part is connected with the cylinder part 3-2 into a whole, the cylinder part is tightly sleeved outside the bottom of the stay bar body 2, the sphere part 3-1 and the cylinder part are made of rubber materials, the sphere part is a solid, and the protection device 3 plays a role in protecting the end part of the stay bar; the outer protective layer of the stay bar body is a wood wax oil layer, so that the attractiveness and the comfortableness of the high jump stay bar are improved.
As shown in fig. 3 to 6, the manufacturing method comprises the following steps: the adopted glass fiber long strip is 1cm in width and 1.5mm in thickness, the glass fiber long strip which is soaked in resin adhesive is wound on a cylindrical die by a machine to form a first layer, an included angle between a tangent line of the winding direction of the glass fiber long strip 6 and a central axis of the die is 30 DEG, then a second layer of glass fiber long strip is wound at the same angle in the opposite direction, a crossed structure is formed, a glass fiber layer is obtained after winding is completed, the durability of a high jump stay bar is enhanced, and finally the die 7 is taken out; B. on the basis of a glass fiber layer, firstly winding three circles of rectangular sliced bamboo sheet plates with the thickness of 1.5mm and impregnated with resin adhesive around the glass fiber layer, and winding three circles of trapezoidal sliced bamboo sheet plates with the thickness of 1.5mm and impregnated with resin adhesive to obtain a bamboo winding layer, wherein the trapezoidal sliced bamboo sheet plates 8 are mainly used for controlling the bending direction of a high jump stay rod; C. after winding, the glass fiber layer 4 and the bamboo winding layer 5 are cured and formed by microwave heating, and the adhesive is cured by heating under the conditions of positive pressure of 1MPa, curing temperature of 140 ℃ and heating time of 10 minutes; D. finally, a layer of wood wax oil is coated outside the bamboo winding layer to form an outer protective layer, and meanwhile, a protective device is arranged at the bottom of the supporting rod body.
In example 2, the width of the glass fiber strip used may be 2cm, the thickness is 2mm, and the angle between the tangent line of the winding direction of the glass fiber strip 6 and the central axis of the die is 60 degrees; the thicknesses of the rectangular sliced bamboo sheet plates and the trapezoidal sliced bamboo sheet plates used were 2mm, and other structures and manufacturing methods were the same as those of example 1.
Finally, it should be noted that: while the invention has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the foregoing embodiments may be modified and equivalents may be substituted for elements thereof without departing from the spirit and principles of the invention.
Claims (9)
1. The utility model provides a sports high jump vaulting pole, includes vaulting pole body (2), and this vaulting pole body bottom is equipped with protection device (3), this external outer inoxidizing coating (1), its characterized in that is equipped with of vaulting pole: the stay bar body is provided with a glass fiber layer (4) and a bamboo winding layer (5) coated on the outer wall of the glass fiber layer; the glass fiber layer (4) is formed by winding two layers of glass fiber strips, and the bamboo winding layer (5) is formed by winding a rectangular sliced bamboo sheet plate (9) and a trapezoid sliced bamboo sheet plate (8).
2. The sports jump stay of claim 1, wherein: the protection device (3) is formed by combining a sphere part (3-1) and a cylinder part (3-2), wherein the sphere part (3-1) is arranged at the bottom, the top of the sphere part is connected with the cylinder part (3-2), and the cylinder part is tightly sleeved outside the bottom of the stay bar body (2).
3. The sports jump stay according to claim 1 or 2, wherein: the sphere part is a solid body, and the sphere part (3-1) and the cylinder part (3-2) are made of rubber materials.
4. A sports jump stay according to claim 3, wherein: the thicknesses of the rectangular sliced bamboo sheet plates (9) and the trapezoid sliced bamboo sheet plates (8) are 1.5-mm-2 mm.
5. The sports jump stay of claim 4 wherein: the outer protective layer (1) is a wood wax oil layer.
6. A manufacturing method of a sports high jump stay bar is characterized by comprising the following steps: the high jump stay bar comprises a stay bar body, a protection device and an outer protection layer, wherein the stay bar body is provided with a glass fiber layer and a bamboo winding layer coated on the outer wall of the glass fiber layer, the glass fiber layer is formed by winding two layers of glass fiber strips, and the manufacturing steps are as follows: A. winding a glass fiber strip on a cylindrical die by a machine to form a first layer, wherein an included angle between a tangent line of the winding direction of the glass fiber strip and a central axis of the die is 30-60 degrees, then winding a second layer of glass fiber strip in the opposite direction at the same angle to form a structure of crossing the first layer and the second layer, winding to obtain a glass fiber layer, and finally taking out the die; B. on the basis of a glass fiber layer, firstly winding three circles around the glass fiber layer by a rectangular sliced bamboo sheet plate infiltrated with resin adhesive, and winding three circles by a trapezoid sliced bamboo sheet plate infiltrated with the resin adhesive to obtain a bamboo winding layer; C. the glass fiber layer and the bamboo winding layer are solidified and formed through microwave heating after winding is completed; D. finally, a layer of wood wax oil is coated outside the bamboo winding layer to form an outer protective layer, and the protective device is arranged at the bottom of the supporting rod body.
7. The method for manufacturing the sports jump stay according to claim 6, wherein: the thicknesses of the rectangular sliced bamboo sheet plates (9) and the trapezoid sliced bamboo sheet plates (8) are 1.5-mm-2 mm, the widths of the glass fiber strips are 1 mm-2 mm, and the thicknesses of the glass fiber strips are 1.5-mm-2 mm; in the step C, the curing temperature is 140 ℃ and the heating time is 10 minutes.
8. The method for manufacturing the sports jump stay according to claim 6 or 7, wherein: the protection device (3) is formed by combining a sphere part (3-1) and a cylinder part (3-2), wherein the sphere part (3-1) is arranged at the bottom, the top of the sphere part is connected with the cylinder part (3-2), and the cylinder part is tightly sleeved outside the bottom of the stay bar body (2).
9. The method for manufacturing the sports jump stay according to claim 8, wherein: the sphere part is a solid body, and the sphere part (3-1) and the cylinder part (3-2) are made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311708702.0A CN117653986A (en) | 2023-12-13 | 2023-12-13 | Sports high jump stay bar and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311708702.0A CN117653986A (en) | 2023-12-13 | 2023-12-13 | Sports high jump stay bar and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117653986A true CN117653986A (en) | 2024-03-08 |
Family
ID=90074946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311708702.0A Pending CN117653986A (en) | 2023-12-13 | 2023-12-13 | Sports high jump stay bar and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117653986A (en) |
-
2023
- 2023-12-13 CN CN202311708702.0A patent/CN117653986A/en active Pending
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