阅读说明：本技术 一种三芯耐高温抗拉橡胶护套 (Three-core high-temperature-resistant tensile rubber sheath ) 是由 蒋爱祥 唐静 束海平 于 2019-10-14 设计创作，主要内容包括：本发明提出了一种三芯耐高温抗拉橡胶护套,其特征在于：包括内芯层、线芯槽、隔热层、耐磨层和抗拉加强芯,所述内芯层内部中央设有若干个线芯槽,所述内芯层内设有若干个抗拉加强芯,所述抗拉加强芯位于所述线芯槽的一侧,所述内芯层的外侧设有隔热层,所述隔热层的外部设有耐磨层。与现有技术相比,本发明提供的一种三芯耐高温抗拉橡胶护套,结构合理,通过抗拉加强芯的设计,提升了电缆的抗拉性能；通过隔热层的设计以及内芯层材料的选取,提升了电缆的耐高温性能,在线芯槽内壁上增加弹性层,可以对线芯进行紧固。(The invention provides a three-core high-temperature-resistant tensile rubber sheath which is characterized in that: the wire core comprises an inner core layer, wire core grooves, a heat insulation layer, a wear-resistant layer and a tensile reinforcement core, wherein the wire core grooves are formed in the central portion of the inner core layer, the tensile reinforcement core is arranged in the inner core layer and located on one side of each wire core groove, the heat insulation layer is arranged on the outer side of the inner core layer, and the wear-resistant layer is arranged on the outer portion of the heat insulation layer. Compared with the prior art, the three-core high-temperature-resistant tensile rubber sheath is reasonable in structure, and the tensile performance of a cable is improved through the design of the tensile reinforced core; through the design of insulating layer and the selection of inner core layer material, promoted the high temperature resistance performance of cable, increase the elastic layer on the wire core inslot wall, can fasten the sinle silk.)

1. The utility model provides a three-core high temperature resistant tensile rubber sheath which characterized in that: strengthen core (5) including inner core layer (1), sinle silk groove (2), insulating layer (3), wearing layer (4) and tensile, inner core layer (1) inside central authorities are equipped with a plurality of sinle silk groove (2), be equipped with a plurality of tensile enhancement core (5) in inner core layer (1), tensile enhancement core (5) are located one side of sinle silk groove (2), the outside of inner core layer (1) is equipped with insulating layer (3), the outside of insulating layer (3) is equipped with wearing layer (4).

2. The three-core high-temperature-resistant tensile rubber sheath of claim 1, wherein: the wire core grooves (2) are communicated with one another, and the inner diameter of each wire core groove (2) is matched with the outer diameter of each wire core.

3. The three-core high-temperature-resistant tensile rubber sheath of claim 1, wherein: the number of the wire core grooves (2) is three, the three wire core grooves (2) are distributed in a regular triangle shape, a plurality of tensile reinforced cores (5) are arranged between every two adjacent wire core grooves (2), and the diameter of each tensile reinforced core (5) is smaller than that of each wire core groove (2).

4. The three-core high-temperature-resistant tensile rubber sheath of claim 3, wherein: the number of the tensile reinforced cores (5) between every two adjacent wire core grooves (2) is 1-3.

5. The three-core high-temperature-resistant tensile rubber sheath of claim 1, wherein: and an elastic layer (21) is arranged on the inner wall of the wire core groove (2).

6. The three-core high-temperature-resistant tensile rubber sheath of claim 1, wherein: the inner core layer (1) is made of ceramic heat-resistant silicon rubber materials, the tensile reinforcement core (5) is made of carbon fiber materials or galvanized stranded steel cores, and the tensile reinforcement core (5) is embedded in the inner core (1).

7. The three-core high-temperature-resistant tensile rubber sheath of claim 1, wherein: the heat insulation layer (3) is made of three layers of synthetic mica tapes and two layers of rubber coated glass fiber tapes.

8. The three-core high-temperature-resistant tensile rubber sheath of claim 1, wherein: the cross section of the inner core layer (1) is circular, and the cross sections of the heat insulation layer (3) and the wear-resistant layer (4) are of circular ring structures.

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of cable sheath design, in particular to a three-core high-temperature-resistant tensile rubber sheath.

[ background of the invention ]

The cable comprises a wire core and a sheath, is used for connecting a circuit, an electric appliance and the like, has different requirements on the sheath of the cable according to the service environment of the cable, has requirements on the tensile property of the cable in some steel manufacturing factories due to higher environmental temperature and high temperature resistance of the cable, and is pulled back in the use process, so that the cable has requirements on the tensile property of the cable.

[ summary of the invention ]

The invention aims to overcome the defects in the prior art, and provides a three-core high-temperature-resistant tensile rubber sheath, which aims to solve the problems of insufficient high-temperature resistance and tensile property of a common cable sheath in the prior art.

In order to achieve the purpose, the invention provides a three-core high-temperature-resistant tensile rubber sheath which is characterized in that: the wire core comprises an inner core layer, wire core grooves, a heat insulation layer, a wear-resistant layer and a tensile reinforcement core, wherein the wire core grooves are formed in the central portion of the inner core layer, the tensile reinforcement core is arranged in the inner core layer and located on one side of each wire core groove, the heat insulation layer is arranged on the outer side of the inner core layer, and the wear-resistant layer is arranged on the outer portion of the heat insulation layer.

Preferably, the plurality of wire core grooves are communicated with each other, and the inner diameter of each wire core groove is matched with the outer diameter of each wire core.

Preferably, the number of the core wire grooves is three, the three core wire grooves are distributed in a regular triangle, a plurality of tensile reinforced cores are arranged between every two adjacent core wire grooves, and the diameter of each tensile reinforced core is smaller than that of each core wire groove.

Preferably, the number of the tensile reinforced cores between each two adjacent core slots is 1 to 3.

Preferably, an elastic layer is arranged on the inner wall of the wire core groove.

Preferably, the inner core layer is made of ceramic heat-resistant silicon rubber materials, the tensile reinforcement core is made of carbon fiber materials or galvanized stranded steel cores, and the tensile reinforcement core is embedded in the inner core.

Preferably, the heat insulation layer is made of a three-layer synthetic mica tape and a two-layer gluing glass fiber tape.

Preferably, the cross section of the inner core layer is circular, and the cross sections of the heat insulation layer and the wear-resistant layer are of circular ring structures.

The invention has the beneficial effects that: compared with the prior art, the three-core high-temperature-resistant tensile rubber sheath is reasonable in structure, and the tensile performance of a cable is improved through the design of the tensile reinforced core; through the design of insulating layer and the selection of inner core layer material, promoted the high temperature resistance performance of cable, increase the elastic layer on the wire core inslot wall, can fasten the sinle silk.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic cross-sectional structure diagram of a three-core high-temperature-resistant tensile rubber sheath according to an embodiment of the present invention.

In the figure: 1-inner core layer, 2-core wire groove, 21-elastic layer, 4-heat insulation layer and 5-tensile strength core.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1, an embodiment of the present invention provides a three-core high temperature resistant tensile rubber sheath, which is characterized in that: including inner core layer 1, sinle silk groove 2, insulating layer 3, wearing layer 4 and tensile reinforcement core 5, 1 inside central authorities of inner core layer are equipped with a plurality of sinle silk groove 2, be equipped with a plurality of tensile reinforcement core 5 in the inner core layer 1, tensile reinforcement core 5 is located one side of sinle silk groove 2, the outside of inner core layer 1 is equipped with insulating layer 3, the outside of insulating layer 3 is equipped with wearing layer 4.

The wire core grooves 2 are communicated with each other, and the inner diameter of each wire core groove 2 is matched with the outer diameter of each wire core.

The number of the core wire grooves 2 is three, the three core wire grooves 2 are distributed in a regular triangle, a plurality of tensile reinforced cores 5 are arranged between every two adjacent core wire grooves 2, and the diameter of each tensile reinforced core 5 is smaller than that of each core wire groove 2. The number of the tensile reinforcement cores 5 between every two adjacent core slots 2 is 1-3. And an elastic layer 21 is arranged on the inner wall of the wire core groove 2.

The inner core layer 1 is made of ceramic heat-resistant silicon rubber materials, the tensile reinforcement core 5 is made of carbon fiber materials or galvanized stranded steel cores, and the tensile reinforcement core 5 is embedded in the inner core layer 1. The heat insulation layer 3 is made of three layers of synthetic mica tapes and two layers of rubber coated glass fiber tapes.

The cross section of the inner core layer 1 is circular, and the cross sections of the heat insulation layer 3 and the wear-resistant layer 4 are of circular ring structures.

The working process of the invention is as follows:

the three-core high-temperature-resistant tensile rubber sheath is sleeved outside a wire core in the working process, so that the wire core is positioned in a wire core groove 2, the elastic layer 21 on the inner wall of the wire core groove 2 can fasten the wire core and simultaneously has a shock absorption effect on the wire core, the inner core layer 1 is made of ceramic heat-resistant silicon rubber materials and can effectively insulate heat, the inner core layer 1 is internally provided with a plurality of tensile reinforced cores 5 so as to improve the tensile property of a cable, and the heat insulation layer is made of three layers of synthetic mica tapes and two layers of rubber coated glass fiber tapes and has good heat insulation property.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.