CN215438189U

CN215438189U - Aramid fabric whole-core flame-retardant conveying belt for coal mine

Info

Publication number: CN215438189U
Application number: CN202121875846.1U
Authority: CN
Inventors: 赵天; 赵建军
Original assignee: Qingdao Juhang Tape Co ltd
Current assignee: Qingdao Juhang Tape Co ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-01-07
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses an aramid fabric whole core flame-retardant conveying belt for a coal mine, which belongs to the technical field of conveying belts and is technically characterized by comprising an inner core layer, wherein the top and the bottom of the inner core layer are both glued with covering layers, the inner core layer comprises a plurality of radial lines and wefts, the radial lines and the wefts are all interwoven, float and sink to weave, and the covering layers comprise first gum dipping layers. The utility model discloses a, this area body simple structure, the area body that will integrate originally is as the area body that forms by overburden and sandwich layer complex, combine by footpath line and weft in the sandwich layer, holistic intensity and toughness have been improved, the holistic quality has been alleviateed, and the material price is less than traditional area body raw and other materials price, the cooperation has anti-skidding line to increase holistic frictional force, and inside the overburden, veneer plastify bead adopts polyvinyl chloride powder resin, chlorinated polyethylene rubber, thermoplastic polyurethane elastomer blends, flame retardant property is good, tensile strength is high, elasticity is excellent, wear resistance is good.

Description

Aramid fabric whole-core flame-retardant conveying belt for coal mine

Technical Field

The utility model belongs to the technical field of conveying belts, and particularly relates to an aramid fabric whole core flame-retardant conveying belt for a coal mine.

Background

The conveyer belt used in coal mine mainly comprises a fabric whole core flame-retardant conveyer belt and a steel wire rope core flame-retardant conveyer belt. The whole core flame retardant conveyor belt of the fabric in the prior art has good flame retardant property, light weight, low price, high joint speed, convenient installation and maintenance, and low energy consumption, so the usage is very large, which accounts for about 75% of the usage of the underground conveyor belt of a coal mine, but the whole core flame retardant conveyor belt of the fabric in the prior art uses nylon, terylene and cotton fiber as the weaving material of the whole core of the belt, and is limited by the strength of the weaving material, when the strength of the flame retardant belt exceeds 2000N/mm, the whole core of the belt needs to be woven into 5 layers and above structures, the thickness is more than 15mm, the slurry is difficult to impregnate, the flame retardant property of the flame retardant belt is influenced, the internal adhesive property, the grooving property and the service life.

The highest strength of the existing whole core flame-retardant conveying belt used in a coal mine is 2500N/mm, and the whole core flame-retardant conveying belt with the strength exceeding 2500N/mm is not reported, so that the problem provided by the aramid fiber fabric whole core flame-retardant conveying belt for the coal mine is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an aramid fabric whole core flame-retardant conveyor belt for a coal mine, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a fire-retardant conveyer belt of whole core of aramid fiber fabric for coal mine, includes the inner core layer, the top and the bottom of inner core layer all are glued there is the overburden, the inside of inner core layer includes many footpaths and weft, many footpaths and weft all crisscross the heaving weaving each other, the overburden includes first gumming layer, the inside veneer of first gumming layer is filled with a plurality of wainscot plastifying beads, and a plurality of wainscot plastifying beads are evenly arranged in the inside of first gumming layer.

Preferably, a second glue dipping layer is filled between gaps of the warp yarns and the weft yarns, and the warp yarns and the weft yarns are connected with the covering layer in a gluing mode through the second glue dipping layer.

Preferably, the top of the upper covering layer is provided with a plurality of anti-skid grains.

Preferably, the warp is an aramid fiber material member, and the weft is a cotton fiber material member.

Preferably, the thickness of the cross section of the inner core layer is greater than that of the cross section of the cover layer.

Compared with the prior art, the utility model has the beneficial effects that: the belt body has simple structure, the originally integrated belt body is used as the belt body formed by compounding the covering layer and the inner core layer, the radial lines and the wefts are combined in the inner core layer, so that the strength and the toughness of the whole body are improved, the quality of the whole body is reduced, moreover, the material price is lower than that of the raw material of the traditional belt body, the anti-skid lines are matched to increase the whole friction force, in the covering layer, the veneering plasticizing bead adopts polyvinyl chloride powder resin, chlorinated polyethylene rubber and thermoplastic polyurethane elastomer to blend, has good flame retardant property, high tensile strength, excellent elasticity and good wear resistance, the adhesive strength of the adhesive tape core after the adhesive tape core is plasticized by dipping is high, and the adhesive tape core can form better performance after being soaked in the first dipping layer, the first gumming layer and the second gumming layer both contain diphenylmethane diisocyanate tackifier, so that the adhesive strength between the covering layer and the inner core layer is improved, and the conveyor belt is ensured not to delaminate after long-term operation.

Drawings

FIG. 1 is a partial sectional elevation view of the present invention;

FIG. 2 is a partial top view of the present invention;

FIG. 3 is a side sectional view of a cover layer of the present invention;

FIG. 4 is a partial top view of the inner core layer of the present invention;

fig. 5 is a partial cross-sectional front view of the inner core layer of the present invention.

In the figure: 1. a cover layer; 11. a first glue dipping layer; 12. overlaying plasticized beads; 2. an inner core layer; 21. a radial line; 22. a weft; 23. a second glue dipping layer; 3. and (4) anti-skid lines.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, the utility model provides an aramid fabric whole core flame retardant conveyor belt for a coal mine, which includes an inner core layer 2, a covering layer 1 is glued on both the top and the bottom of the inner core layer 2, the inner core layer 2 includes a plurality of radial lines 21 and wefts 22, the radial lines 21 and the wefts 22 are interwoven, float and sink in a weaving manner, the covering layer 1 includes a first impregnated layer 11, a plurality of veneering plasticizing beads 12 are glued and filled in the first impregnated layer 11, and the plurality of veneering plasticizing beads 12 are uniformly distributed in the first impregnated layer 11.

In this embodiment, preferably, the second glue layer 23 is filled between the gaps between the radial lines 21 and the weft lines 22, the radial lines 21 and the weft lines 22 are connected to the covering layer 1 through the second glue layer 23 in a gluing manner, and the second glue layer 23 is provided, so that the weft lines 22 and the radial lines 21 can be connected to the covering layer 1 through the second glue layer 23, and the overall integration effect is higher.

In this embodiment, preferably, the top of the upper covering layer 1 is provided with a plurality of anti-slip threads 3, and the anti-slip threads 3 can increase the friction force of the whole belt body.

In this embodiment, preferably, the radial line 21 is an aramid fiber material member, the weft line 22 is a cotton fiber material member, and through setting up the inner core layer 2 as the main body, in the inside of the inner core layer 2, the radial line 21 adopts aramid fiber, and intensity is high, the area body is thin, light in weight, and the weight ratio of the finished product area has reduced 36.82% with the traditional product of specification model, and the cooperation weft line 22 can make the energy consumption of conveyer belt operation in-process reduce by a wide margin.

In this embodiment, preferably, the thickness of the cross section of the inner core layer 2 is greater than that of the cross section of the covering layer 1, so that the whole thickness of the whole belt body can be reduced to the maximum extent while the whole belt body achieves the effect of pressure resistance.

The working principle and the using process of the utility model are as follows: the belt body has a simple structure, the original integrated belt body is used as the belt body formed by compounding the covering layer 1 and the inner core layer 2, the radial lines 21 and the wefts 22 are combined in the inner core layer 2, the integral strength and toughness are improved, the integral quality is reduced, the material price is lower than the price of the raw materials of the traditional belt body, the anti-skid grains 3 are matched to increase the integral friction force, the veneering plasticizing beads 12 are mixed by adopting polyvinyl chloride powder resin, chlorinated polyethylene rubber and thermoplastic polyurethane elastomer in the covering layer 1, the flame retardant property is good, the tensile strength is high, the elasticity is excellent, the wear resistance is good, the bonding strength with the whole belt core after being subjected to gum dipping plasticization is high, the better performance can be formed after the first gum dipping layer 11 is soaked, and the first gum dipping layer 11 and the second dipping layer 23 both contain diphenylmethane diisocyanate tackifier, so that the bonding strength between the covering layer 1 and the inner core layer 2 is improved, ensure the long-term running of the conveyer belt without delaminating.

Claims

1. The utility model provides a fire-retardant conveyer belt of whole core of aramid fabric for coal mine, includes inner core layer (2), its characterized in that: the top and the bottom of the inner core layer (2) are both glued with a covering layer (1), the inner core layer (2) comprises a plurality of radial lines (21) and weft lines (22), the radial lines (21) and the weft lines (22) are all interwoven, float and sink to weave, the covering layer (1) comprises a first glue dipping layer (11), the inside of the first glue dipping layer (11) is glued and filled with a plurality of veneering plasticizing beads (12), and the veneering plasticizing beads (12) are uniformly distributed in the first glue dipping layer (11).

2. The aramid fabric whole core flame-retardant conveyor belt for the coal mine as claimed in claim 1, characterized in that: and a second impregnation layer (23) is filled between gaps of the radial lines (21) and the weft lines (22), and the radial lines (21) and the weft lines (22) are connected with the covering layer (1) in a gluing mode through the second impregnation layer (23).

3. The aramid fabric whole core flame-retardant conveyor belt for the coal mine as claimed in claim 1, characterized in that: the top of the upper covering layer (1) is provided with a plurality of anti-skid grains (3).

4. The aramid fabric whole core flame-retardant conveyor belt for the coal mine as claimed in claim 1, characterized in that: the warp yarns (21) are aramid fiber material members, and the weft yarns (22) are cotton fiber material members.

5. The aramid fabric whole core flame-retardant conveyor belt for the coal mine as claimed in claim 1, characterized in that: the thickness of the cross section of the inner core layer (2) is larger than that of the cross section of the covering layer (1).