A kind of ultralight nonmetal bulletproof helmet

文档序号:1769681 发布日期:2019-12-03 浏览:20次 中文

阅读说明:本技术 一种超轻非金属防弹头盔 (A kind of ultralight nonmetal bulletproof helmet ) 是由 周厚勇 杨正均 李朝阳 潘宇 于 2019-09-30 设计创作,主要内容包括:本发明涉及防弹头盔领域,具体公开了一种超轻非金属防弹头盔,包括头盔盔体,头盔盔体包括芳纶机织布层、胶膜层和高强高模聚乙烯无纬布层,胶膜层位于高强高模聚乙烯无纬布层和芳纶机织布层之间,且芳纶机织布层、胶膜层和高强高模聚乙烯无纬布层高温高压压制成型。本方案能形成一种超轻的非金属防弹头盔,以提高佩戴者在佩戴时的舒适性,降低佩戴者头部和颈部疲劳。(The present invention relates to bulletproof halmet fields, specifically disclose a kind of ultralight nonmetal bulletproof helmet, including helmet helmet body, helmet helmet body includes aramid fiber machine-woven fabric layer, adhesive film and high-strength high-modulus polyethylene laminated cloth layer, adhesive film is between high-strength high-modulus polyethylene laminated cloth layer and aramid fiber machine-woven fabric layer, and aramid fiber machine-woven fabric layer, adhesive film and high-strength high-modulus polyethylene laminated cloth layer high temperature and pressure compression moulding.This programme can form a kind of ultralight nonmetal bulletproof helmet, to improve comfort of the wearer when wearing, reduce wearer's head and neck fatigue.)

1. a kind of ultralight nonmetal bulletproof helmet, including helmet helmet body, which is characterized in that the helmet helmet body includes that aramid fiber is woven Layer of cloth, adhesive film and high-strength high-modulus polyethylene laminated cloth layer, the adhesive film are located at high-strength high-modulus polyethylene laminated cloth layer and virtue Between synthetic fibre machine-woven fabric layer, and aramid fiber machine-woven fabric layer, adhesive film and high-strength high-modulus polyethylene laminated cloth layer high temperature and pressure compression moulding.

2. a kind of ultralight nonmetal bulletproof helmet according to claim 1, which is characterized in that the aramid fiber machine-woven fabric layer packet Several layers aramid fiber woven fabric is included, the dual coating of aramid fiber woven fabric has phenolic resin, and the quality of the phenolic resin is aramid fiber machine The 10.3-12.4% of woven fabric quality.

3. a kind of ultralight nonmetal bulletproof helmet according to claim 2, which is characterized in that the high-strength high-modulus polyethylene Laminated cloth layer includes several layers high-strength high-modulus polyethylene laminated cloth, and the single side of high-strength high-modulus polyethylene laminated cloth is coated with phenolic aldehyde tree Rouge, the quality of the phenolic resin are the 9.4-10.2% of aramid fiber woven fabric quality.

4. a kind of ultralight nonmetal bulletproof helmet according to claim 3, which is characterized in that the phenolic resin is PVB Phenol-formaldehyde resin modified, the PVB film resin of phenolic resin, 6-8% in the PVB phenol-formaldehyde resin modified including 16-19% and The industrial alcohol of 73-78%.

5. a kind of ultralight nonmetal bulletproof helmet according to claim 3, which is characterized in that the aramid fiber machine-woven fabric layer packet Include the first aramid layers and the second aramid layers, high-strength high-modulus polyethylene laminated cloth layer be located at the first aramid layers and the second aramid layers it Between, first aramid layers, high-strength high-modulus polyethylene laminated cloth layer and the second aramid layers in helmet helmet body by setting gradually to the end Helmet helmet body surface face.

6. a kind of ultralight nonmetal bulletproof helmet according to claim 5, which is characterized in that first aramid layers include Four layers of aramid fiber woven fabric, the second aramid layers include two layers of aramid fiber woven fabric, and the surface density of aramid fiber woven fabric is 465g/ ㎡.

7. a kind of ultralight nonmetal bulletproof helmet according to claim 6, which is characterized in that the high-strength high-modulus polyethylene Laminated cloth layer includes 25-30 layers of high-strength high-modulus polyethylene laminated cloth, and the surface density of high-strength high-modulus polyethylene laminated cloth is 145- 158g/㎡。

8. a kind of ultralight nonmetal bulletproof helmet according to claim 7, which is characterized in that the adhesive film includes first Layer high-strength compound hot melt adhesive film and second layer high-strength compound hot melt adhesive film, the first layer high-strength compound hot melt adhesive film are compressed on the Between one aramid layers and high-strength high-modulus polyethylene laminated cloth layer;The second layer high-strength compound hot melt adhesive film is compressed on the second aramid fiber Between layer and high-strength high-modulus polyethylene laminated cloth layer.

9. a kind of ultralight nonmetal bulletproof helmet according to claim 8, which is characterized in that the aramid fiber woven fabric is in circle Shape, and several first unfilled corners are evenly arranged on the circumference of aramid fiber woven fabric;The high-strength high-modulus polyethylene laminated cloth is rounded, And several second unfilled corners are evenly arranged on the circumference of high-strength high-modulus polyethylene laminated cloth.

10. a kind of ultralight nonmetal bulletproof helmet according to claim 9, which is characterized in that high temperature and pressure compression moulding When, 125 ° -135 ° of forming temperature, briquetting pressure 7-9MPa, molding time 17-22min.

Technical field

The invention belongs to bulletproof halmet fields, and in particular to a kind of ultralight nonmetal bulletproof helmet.

Background technique

The nonmetal bulletproof helmet of China's domestic production at present, it is shellproof for single aramid fiber or high-strength high-modulus polyethylene (PE) Material is suppressed, when the 1951 formula 7.62mm pistol cartridges emitted using domestic 54 formula 7.62mm pistol are shot, helmet protection Area is 0.13 ㎡, and after live shell test, though the helmet can guard against penetrating for bullet, its point of impact bump height exists substantially Between 30mm~60mm, this bump height very likely allows the head of wearer to contact with the inner wall of the helmet, impact force It can be directly delivered in wearer's head, for wearer, there are fatefulue injuries.

Existing nonmetal bulletproof helmet weight range is between 1400g~1500g simultaneously, although meeting the public peace of country Whole industry standard and military standard, but appoint in actual use so and exist larger due to its weight and influence to wear for a long time Comfort, make wearer because of the gravity compressing by the helmet, be easy to produce head and neck fatigue, be unfavorable for executing for a long time each The needs of kind combat duty.

Summary of the invention

The invention is intended to provide a kind of ultralight nonmetal bulletproof helmet, to improve comfort of the wearer when wearing, Reduce wearer's head and neck fatigue.

In order to achieve the above object, base case of the invention is as follows: a kind of ultralight nonmetal bulletproof helmet, including the helmet Helmet body, helmet helmet body include aramid fiber machine-woven fabric layer, adhesive film and high-strength high-modulus polyethylene laminated cloth layer, and adhesive film is located at high-strength height Between mode polyethylene laminated cloth layer and aramid fiber machine-woven fabric layer, and aramid fiber machine-woven fabric layer, adhesive film and high-strength high-modulus polyethylene are without latitude Layer of cloth high temperature and pressure compression moulding.

The principle and its advantage of base case: aramid fiber machine-woven fabric layer is not only used in helmet helmet body, but also uses high-strength height The density of mode polyethylene laminated cloth layer, aramid fiber machine-woven fabric layer is higher relative to high-strength high-modulus polyethylene laminated cloth layer, while it is anti- Impact property is stronger;The shock resistance of high-strength high-modulus polyethylene laminated cloth layer is slightly weak relative to aramid fiber machine-woven fabric layer, but its Density is lower, can effectively reduce the quality of entire helmet helmet body.

By being used in mixed way for aramid fiber machine-woven fabric layer and high-strength high-modulus polyethylene laminated cloth layer, helmet helmet body both ensure that Ballistic performance, and the weight of entire helmet helmet body can be reduced, the comfort of helmet wearing can be improved, reduces the helmet to the pressure of human body Compel, is convenient for wearing for a long time.

Adhesive film is provided between aramid fiber machine-woven fabric layer and high-strength high-modulus polyethylene laminated cloth layer simultaneously, when aramid fiber is woven During high temperature and pressure compression moulding, adhesive film can be to virtue for layer of cloth, adhesive film and high-strength high-modulus polyethylene laminated cloth layer Synthetic fibre machine-woven fabric layer and high-strength high-modulus polyethylene laminated cloth layer are bonded, and adhesive strength between the two is enhanced;Glue film simultaneously For layer in the impact by bullet, the elasticity that glue film has can resist the impact force of bullet, promote the bullet-proof of helmet helmet body Energy;The ability that the glue film of elasticity can have part to spring back after shock resistance simultaneously, can effectively reduce point of impact on helmet helmet body Bump height, reduce the risk of injury of wearer, and have the function of damping.

Further, aramid fiber machine-woven fabric layer includes several layers aramid fiber woven fabric, and the dual coating of aramid fiber woven fabric has phenolic aldehyde tree Rouge, the quality of phenolic resin are the 10.3-12.4% of aramid fiber woven fabric quality.

The coating of phenolic resin can promote intensity, hardness, impact resistance and the endurance of cutting of aramid fiber woven fabric, to improve The ballistic performance of the nonmetal bulletproof helmet, and point of impact bump height is effectively reduced.

Further, high-strength high-modulus polyethylene laminated cloth layer includes several layers high-strength high-modulus polyethylene laminated cloth, high-strength and high-modulus The single side of polythene weft-less cloth is coated with phenolic resin, and the quality of phenolic resin is the 9.4-10.2% of aramid fiber woven fabric quality.

The coating of phenolic resin can promote intensity, hardness, impact resistance and the resistant to shearing of high-strength high-modulus polyethylene laminated cloth Property, to improve the ballistic performance of the nonmetal bulletproof helmet, further decrease point of impact bump height.

Further, phenolic resin is PVB phenol-formaldehyde resin modified, include mass fraction in PVB phenol-formaldehyde resin modified is 16- 19% phenolic resin, the PVB film resin of 6-8% and the industrial alcohol of 73-78%.

PVB film resin and phenolic resin can be allowed quickly to be added in industrial alcohol, and PVB film resin and phenolic aldehyde The mixing of resin is rapidly and efficiently and uniformly;It is convenient for modified PVB phenol-formaldehyde resin modified being uniformly coated to aramid fiber machine simultaneously In woven fabric and high-strength high-modulus polyethylene laminated cloth;During natural drying, dry speed is fast.

Further, aramid fiber machine-woven fabric layer includes the first aramid layers and the second aramid layers, high-strength high-modulus polyethylene laminated cloth layer Between the first aramid layers and the second aramid layers, the first aramid layers, high-strength high-modulus polyethylene laminated cloth layer and the second aramid layers By setting gradually helmet helmet body surface face in helmet helmet body.

High-strength high-modulus polyethylene laminated cloth layer is arranged between the first aramid layers and the second aramid layers, when carrying out shellproof, Second aramid layers and second layer high-strength compound hot melt adhesive film are contacted with the bullet in device at first, the high aramid fiber machine-woven fabric layer of density Play the role of shellproof, impact force is distributed on high-strength high-modulus polyethylene laminated cloth layer by the second aramid layers, high-strength high-modulus polyethylene Laminated cloth layer can prevent helmet helmet body from being passed through by bullet, and the first aramid layers of internal layer can achieve the effect that damping.

Further, the first aramid layers include four layers of aramid fiber woven fabric, and the second aramid layers include two layers of aramid fiber woven fabric, and fragrant The surface density of synthetic fibre woven fabric is 465g/ ㎡.

When helmet helmet body is impacted, the first aramid layers of four layers of aramid fiber woven fabric setting can be resisted effectively for human body Impact, while reaching damping effect;Two layers of aramid fiber woven fabric is located at outside high-strength high-modulus polyethylene laminated cloth layer, due to its density compared with Greatly, shock proof performance is very strong, can resist impact first for high-strength high-modulus polyethylene laminated cloth layer;While aramid fiber woven fabric The setting of density can allow helmet helmet body to achieve the effect that loss of weight.

Further, high-strength high-modulus polyethylene laminated cloth layer includes 25-30 layers of high-strength high-modulus polyethylene laminated cloth, and high-strength height The surface density of mode polyethylene laminated cloth is 145-158g/ ㎡.

The high-strength high-modulus polyethylene laminated cloth number of plies in high-strength high-modulus polyethylene laminated cloth layer has reached 25-30 layers, multilayer The compacting of high-strength high-modulus polyethylene laminated cloth can effectively promote the intensity of high-strength high-modulus polyethylene laminated cloth layer, while corresponding Density can effectively reduce the quality of entire helmet helmet body.

Further, adhesive film includes first layer high-strength compound hot melt adhesive film and second layer high-strength compound hot melt adhesive film, and first Layer high-strength compound hot melt adhesive film is compressed between the first aramid layers and high-strength high-modulus polyethylene laminated cloth layer;Second layer high-strength compound Hot melt adhesive film is compressed between the second aramid layers and high-strength high-modulus polyethylene laminated cloth layer.

First layer high-strength compound hot melt adhesive film and second layer high-strength compound hot melt adhesive film can be to the first aramid layers, high-strength and high-modulus Polythene weft-less layer of cloth and the second aramid layers play firm bonding effect, while can play dual buffer function, can be into The bump height for reducing point of impact on helmet helmet body of one step.

Further, aramid fiber woven fabric is rounded, and several first unfilled corners are evenly arranged on the circumference of aramid fiber woven fabric;It is high Strong high-modulus polyethylene laminated cloth is rounded, and is evenly arranged with several second on the circumference of high-strength high-modulus polyethylene laminated cloth and lacks Angle.

The first unfilled corner on aramid fiber woven fabric can guarantee mosaic not with split and then the cambered surface in fitting helmet helmet body surface face Have an overlapping of multilayer aramid fiber woven fabric, it is at all levels between thickness it is uniform, convenient for being pressed into the first aramid layers and second When aramid layers, each local thickness of the first aramid layers and the second aramid layers is uniform, and fitting is close;High-strength high-modulus polyethylene simultaneously The setting of second unfilled corner also technical effect having the same in laminated cloth, convenient for fully playing bulletproof effect.

Further, when high temperature and pressure compression moulding, 125 ° -135 ° of forming temperature, briquetting pressure 7-9MPa, molding time 17-22min。

The selection of the molding parameter will not lose aramid fiber woven fabric and high-strength high-modulus polyethylene laminated cloth original intensity and Modulus, and can be close to the minimum fusing point of high-strength high-modulus polyethylene laminated cloth in a short time, allow high-strength high-modulus polyethylene without latitude Postadhesion is slightly melted together in cloth surface, and the hot pressing composite molding of two kinds of materials can be made to reach optimal ballistic performance and to drum The control of packet height

Detailed description of the invention

Fig. 1 is a kind of partial sectional view of ultralight nonmetal bulletproof helmet main view direction of the embodiment of the present invention 1;

Fig. 2 is the enlarged drawing of aramid fiber woven fabric in a kind of ultralight nonmetal bulletproof helmet of the embodiment of the present invention 2;

Fig. 3 is that high-strength high-modulus polyethylene laminated cloth is put in a kind of ultralight nonmetal bulletproof helmet of the embodiment of the present invention 2 Big figure.

Specific embodiment

Below by the further details of explanation of specific embodiment:

Appended drawing reference in Figure of description includes: helmet helmet body 10, aramid fiber machine-woven fabric layer 20, the first aramid layers 201, Two aramid layers 202, high-strength high-modulus polyethylene laminated cloth layer 30, adhesive film 40, first layer high-strength compound hot melt adhesive film 401, second Layer high-strength compound hot melt adhesive film 402, aramid fiber woven fabric finished product 50, the first unfilled corner 501, the first joint-cutting 502, high-strength high-modulus polyethylene Laminated cloth finished product 60, the second unfilled corner 601, the second joint-cutting 602.

Real embodiment 1

10页详细技术资料下载
上一篇:一种医用注射器针头装配设备
下一篇:防护盾牌结构

网友询问留言

已有0条留言

还没有人留言评论。精彩留言会获得点赞!

精彩留言,会给你点赞!

技术分类