阅读说明：本技术 一种超轻型复合软管 (Ultra-light composite hose ) 是由 陈国英 于 2020-05-29 设计创作，主要内容包括：本发明涉及一种超轻型复合软管,包括复合软管本体和复合软管接头,所述复合软管本体包含内铝丝,所述内铝丝是由铝材螺旋盘绕设置而成；内铝丝外表面包覆有接触膜层,所述接触膜层是由PP材料制成,接触膜层与内铝丝接触的一面覆盖有PA膜；接触膜层外表面包覆有抗拉布层；抗拉布层外表面包覆有外表层；外表层外表面螺旋盘绕有外铝丝；所述复合软管接头安装于复合软管本体的两端部,复合软管接头包含铝制内螺管,所述铝制内螺管的内侧分别向外固接有铝制外圈,铝制外圈的外侧分别可拆卸安装有尼龙制由壬。本发明在保证管道具有足够抗压性能和弯曲性能的基础上,能够有效大幅降低自身重量,从而有效便于搬运和连接施工。(The invention relates to an ultra-light composite hose, which comprises a composite hose body and a composite hose joint, wherein the composite hose body comprises an inner aluminum wire, and the inner aluminum wire is formed by spirally winding an aluminum material; the outer surface of the inner aluminum wire is coated with a contact film layer, the contact film layer is made of a PP material, and one surface of the contact film layer, which is in contact with the inner aluminum wire, is covered with a PA film; the outer surface of the contact membrane layer is coated with a tensile cloth layer; the outer surface of the tensile cloth layer is coated with an outer surface layer; an outer aluminum wire is spirally coiled on the outer surface of the outer surface layer; the composite hose connector is arranged at two end parts of the composite hose body and comprises an aluminum inner spiral pipe, the inner side of the aluminum inner spiral pipe is fixedly connected with an aluminum outer ring outwards respectively, and the outer side of the aluminum outer ring is detachably provided with a nylon union respectively. The invention can effectively and greatly reduce the self weight on the basis of ensuring that the pipeline has enough compression resistance and bending performance, thereby effectively facilitating the transportation and connection construction.)

1. The utility model provides an ultra-light composite hose, includes composite hose body (1) and composite hose connector (2), its characterized in that:

the composite hose body (1) comprises an inner aluminum wire (101), the inner aluminum wire (101) is formed by spirally winding an aluminum material with the diameter of 3-4mm and the tensile strength of 630-650MPa, and the thread pitch of the inner aluminum wire (101) is 20-30 mm;

the outer surface of the inner aluminum wire (101) is coated with a contact film layer (102), the contact film layer (102) is made of PP materials, one surface, in contact with the inner aluminum wire (101), of the contact film layer (102) is coated with a PA film, the thickness of the contact film layer (102) is 0.028-0.032mm, and the thickness of the PA film is 0.03-0.035 mm;

the outer surface of the contact film layer (102) is coated with a tensile cloth layer (103), the tensile cloth layer (103) is made of a woven cloth material, and the thickness of the tensile cloth layer (103) is 0.4-0.5 mm;

the outer surface of the tensile cloth layer (103) is coated with an outer surface layer (104), the outer surface layer (104) is made of PVC materials, and the thickness of the outer surface layer (104) is 0.3-0.4 mm;

an outer aluminum wire (105) is spirally wound on the outer surface of the outer surface layer (104), the outer aluminum wire (105) is made of aluminum materials with the diameter of 3-4mm and the tensile strength of 630-650MPa, and the screw pitch of the outer aluminum wire (105) is 20-30 mm;

the composite hose joints (2) are arranged at two end parts of the composite hose body (1), the composite hose joints (2) comprise aluminum inner spiral pipes (201), the inner sides of the aluminum inner spiral pipes (201) are fixedly connected with corresponding aluminum outer rings (202) outwards respectively, and the two end parts of the composite hose body (1) are clamped in interlayers formed by the aluminum inner spiral pipes (201) and the aluminum outer rings (202) respectively;

the outer side of the aluminum inner solenoid (201) is respectively and detachably provided with a nylon union (3).

2. An ultra-light composite hose according to claim 1, wherein: nylon system union (3) contain coupling nut (301) and union joint (302), coupling nut (301) are connected in corresponding aluminium system solenoid (201) outside through threaded connection mode, union joint (302) rigid coupling is in coupling nut (301) not connected in one side of aluminium system solenoid (201).

3. An ultra-light composite hose according to claim 2, wherein: connecting nut (301) is not connected in one side of spiral tube (201) is protruding outward and is equipped with protruding edge (4) of round arc in the aluminium system, union connects (302) through protruding edge (5) of its inner joint with the protruding fixed joint of edge (4) cooperation of arc in on connecting nut (301).

4. An ultra-light composite hose according to claim 1, wherein: the end part of the composite pipe body (1) is clamped in an interlayer formed by the aluminum inner spiral pipe (201) and the aluminum outer ring (202) through the corresponding Y-shaped sealing ring (6).

5. The ultra-light composite hose of claim 4, wherein: an epoxy glue layer (7) is hermetically filled in an interlayer formed by the aluminum inner solenoid (201) and the aluminum outer ring (202).

Technical Field

The invention relates to a composite hose, in particular to an ultra-light composite hose.

Background

The composite hose is a hose compounded by various high polymer materials, has good flexibility and high safety, and is widely applied to the transportation, loading and unloading of oil products and aromatic products in road and railway tank cars, storage areas, factories, wharfs and ships. The existing composite hose is mainly formed by winding various high polymer plastic materials and fastening an inner steel wire and an outer steel wire, the self weight of the composite hose is too high, and the composite hose with the length of 6m generally has the weight of 150-16 OKG. The existing composite hose is very troublesome to carry, connect and construct in the actual application process, and particularly in a warehouse area, a factory area and the like which can not be reached by some transport vehicles.

Therefore, on the basis of ensuring that the pipeline has enough pressure resistance and bending performance, the invention aims to design the ultra-light composite hose which can effectively and greatly reduce the self weight so as to effectively facilitate the transportation and connection construction of the pipeline.

Disclosure of Invention

In view of the problems in the prior art, the present invention is to provide an ultra-light composite hose, which can effectively solve the technical problems in the prior art.

The technical scheme of the invention is as follows:

an ultra-light composite hose comprises a composite hose body and a composite hose joint, wherein the composite hose body comprises an inner aluminum wire, the inner aluminum wire is formed by spirally winding an aluminum material with the diameter of 3-4mm and the tensile strength of 630-650MPa, and the thread pitch of the inner aluminum wire is 20-30 mm; the outer surface of the inner aluminum wire is coated with a contact film layer, the contact film layer is made of PP materials, one surface of the contact film layer, which is in contact with the inner aluminum wire, is covered with a layer of PA film, the thickness of the contact film layer is 0.028-0.032mm, and the thickness of the PA film is 0.03-0.035 mm; the outer surface of the contact membrane layer is coated with a tensile cloth layer, the tensile cloth layer is made of a woven cloth material, and the thickness of the tensile cloth layer is 0.4-0.5 mm; the outer surface of the tensile cloth layer is coated with an outer surface layer, the outer surface layer is made of PVC materials, and the thickness of the outer surface layer is 0.3-0.4 mm; an outer aluminum wire is spirally wound on the outer surface of the outer surface layer 104, the outer aluminum wire is made of aluminum materials with the diameter of 3-4mm and the tensile strength of 630-650MPa, and the thread pitch of the outer aluminum wire is 20-30 mm; the composite hose joints are arranged at two end parts of the composite hose body and comprise aluminum inner spiral pipes, the inner sides of the aluminum inner spiral pipes are fixedly connected with corresponding aluminum outer rings outwards respectively, and the two end parts of the composite hose body are clamped in interlayers formed by the aluminum inner spiral pipes and the aluminum outer rings respectively; the outer sides of the aluminum outer rings are respectively and detachably provided with nylon unions.

The nylon system union contains coupling nut and union and connects, coupling nut passes through the threaded connection mode and connects in the screwed pipe outside in corresponding aluminium system, the union connects the rigid coupling in one side that coupling nut does not connect in the screwed pipe in aluminium system.

The outside outstanding edge that is equipped with the round arc of one side of solenoid in coupling nut does not connect in aluminium system, the union connect through its inner joint protruding along with the protruding fixed joint of cooperation along the arc in coupling nut is last.

The end part of the composite pipe body is clamped in an interlayer formed by the aluminum inner spiral pipe and the aluminum outer ring through corresponding Y-shaped sealing rings.

And an epoxy glue layer is hermetically filled in an interlayer formed by the aluminum inner solenoid and the aluminum outer ring.

The invention has the advantages that:

1) the composite hose has the advantages that the inner aluminum wire and the outer aluminum wire made of aluminum materials are used as the framework of the composite hose, and compared with the inner steel wire and the outer steel wire made of traditional carbon steel, stainless steel and the like, the weight of the composite hose is reduced by more than 80%, so that the weight of the composite hose body is effectively reduced.

And the inner aluminum wire and the outer aluminum wire are prepared by using aluminum materials, so that the rigidity, the deformation resistance, the supporting stress capability and the like of the composite hose body are greatly reduced, the composite hose body cannot reach the product standard and the industrial standard, and the composite hose is difficult to effectively put into use. Therefore, the diameter and the tensile strength of the aluminum material for preparing the inner aluminum wire and the outer aluminum wire are specially limited, and the screw pitch of the aluminum material is specially limited, so that the integral rigidity, the deformation resistance and the supporting stress capability of the inner aluminum wire and the outer aluminum wire are effectively improved on the basis of not excessively influencing the compression resistance of the composite hose body, and the framework effect of the inner aluminum wire and the outer aluminum wire is ensured.

On the basis, the invention also specially selects the materials for preparing the contact film layer, the tensile cloth layer and the outer surface layer, and effectively controls the material thickness of each layer, thereby effectively improving the integral rigidity, the deformation resistance and the supporting stress capability of the composite hose body on the basis of not influencing the bending performance of the composite hose, and ensuring that the composite hose body still has enough bending performance and pressure resistance after the weight is greatly reduced.

2) On the basis of greatly reducing the weight of the composite hose body, the invention also replaces the material for preparing the composite hose joint, and the invention adopts the aluminum inner screw tube and the aluminum outer ring, and replaces the steel fixing flange by the nylon union, thereby effectively and greatly reducing the weight of the composite hose joint.

In order to ensure that the aluminum inner solenoid, the aluminum outer ring and the nylon union have enough pressure resistance, the nylon union is divided into a connecting nut and a union joint, the connecting nut is connected to the outer side of the aluminum inner solenoid to form double-layer thickness, and the connecting part is ensured to have enough pressure resistance; the outside salient of one side of solenoid is equipped with the protruding edge of round arc in coupling nut does not connect in aluminium system, the union connects protruding edge and the protruding fixed joint that cooperates of arc along on coupling nut through the protruding edge of its inner joint, through the protruding edge of arc, and the setting on the protruding edge of joint, effectively ensure that the joint part has sufficient compressive property, and the union connects not the joint then with other articulate in the part on the protruding edge of arc, also form double-deck thickness, can effectively ensure compressive property, thereby ensure that composite hose connects after weight reduces by a wide margin, still have sufficient compressive property.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic structural view of the end of the composite hose body connected with the composite hose connector.

Detailed Description

To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail by way of examples in conjunction with the accompanying drawings:

referring to fig. 1-2, an ultra-light composite hose includes a composite hose body 1 and a composite hose coupler 2,

the composite hose body 1 comprises an inner aluminum wire 101, the inner aluminum wire 101 is formed by spirally winding an aluminum material with the diameter of 3.5mm and the tensile strength of 630-;

the outer surface of the inner aluminum wire 101 is coated with a contact film layer 102, the contact film layer 102 is made of a PP material, one surface of the contact film layer 102, which is in contact with the inner aluminum wire 101, is covered with a PA film, the thickness of the contact film layer 102 is 0.03mm, and the thickness of the PA film is 0.033 mm;

the outer surface of the contact film layer 102 is coated with a tensile cloth layer 103, the tensile cloth layer 103 is made of a woven cloth material, and the thickness of the tensile cloth layer 103 is 0.45 mm;

the outer surface of the tensile cloth layer 103 is coated with an outer surface layer 104, the outer surface layer 104 is made of PVC material, and the thickness of the outer surface layer 104 is 0.35 mm;

an outer aluminum wire 105 is spirally wound on the outer surface of the outer surface layer 104, the outer aluminum wire 105 is made of aluminum material with the diameter of 3.5mm and the tensile strength of 630-;

the composite hose joints 2 are arranged at two end parts of the composite hose body 1, the composite hose joints 2 comprise aluminum inner spiral pipes 201, the inner sides of the aluminum inner spiral pipes 201 are fixedly connected with corresponding aluminum outer rings 202 outwards respectively, and the two end parts of the composite hose body 1 are clamped in interlayers formed by the aluminum inner spiral pipes 201 and the aluminum outer rings 202 respectively;

the outside of the aluminium inner solenoid 201 is respectively detachably provided with a nylon union 3.

The nylon union 3 comprises a connecting nut 301 and a union joint 302, the connecting nut 301 is connected to the outer side of the corresponding aluminum inner screwed pipe 201 in a threaded connection mode, and the union joint 302 is fixedly connected to one side, which is not connected to the aluminum inner screwed pipe 201, of the connecting nut 301.

Coupling nut 301 does not connect the outside outstanding 4 that are equipped with the protruding edge of round arc in one side of screwed pipe 201 in aluminium system, union joint 302 through its inner joint protruding edge 5 with the protruding edge 4 cooperation of arc fixed joint in coupling nut 301 is last.

The end of the composite pipe body 1 is clamped in the interlayer formed by the aluminum inner spiral pipe 201 and the aluminum outer ring 202 through the corresponding Y-shaped sealing ring 6.

The interlayer formed by the aluminum inner solenoid 201 and the aluminum outer ring 202 is filled with an epoxy glue layer 7 in a sealing manner.

The weight data of the composite hose prepared in the above example are shown in table 1:

TABLE 1

As can be seen from table 1, the weight of the composite hose prepared by the present invention is greatly reduced compared to the weight of the conventional composite hose, and the weight of the composite hose body 1 prepared by the present invention is reduced by more than 80% compared to the weight of the conventional composite hose body; compared with the traditional composite hose, the overall weight of the composite hose prepared by the invention is reduced by more than 60%.

The composite hoses prepared in the above examples were subjected to quality tests, and the quality test reports are shown in tables 1 and 2:

1	name (R)	Composite flexible pipe (ultralight type)	11	Hose trademark	——
						2	Numbering	——	12	Design temperature	-30℃～+80℃
3	Specification of	DN 200	13	Manufacturing standard	GB/T37997-2019
						4	Length of	6M	14	Joint form	Nylon union + nylon union
5	Number of	1 strip	15	Fixed flange standard	——
						6	Color of outer layer	Yellow colour	16	Loose flange standard	——
7	Design pressure	0.7MPa	17	Quick connect standard	——
						8	Verification of pressure	1.3MPa	18	Steel wire material	Aluminum wire
9	Minimum bend radius	200mm	19	Joint material	Aluminum material/nylon
						10	Hose protector	Is free of	20	Date of manufacture	Year 2020, month 01 and 16

Table 1: description of the products

Table 2: product inspection results

According to the inspection report, the following results are obtained: the composite hose prepared by the embodiment does not generate damage and leakage under the test pressure condition of 1.3MPa and the minimum bending radius condition of 200mm, and the resistance value (1.3 omega), the elongation (5.6 percent) and the like all meet the requirements of product standards and industrial standards. Therefore, the invention can ensure that the composite hose still has enough bending performance and compression resistance after the weight is greatly reduced, and meets the requirements of product standards, industrial standards and actual use.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.