Glass fiber reinforced plastic cable conduit

Abstract

The utility model discloses a glass fiber reinforced plastic cable conduit comprising a conduit which is provided with a glass fiber knitted layer, a first resin layer, a first glass fiber grid layer, a first aluminum foil layer, a sand layer, a second aluminum foil layer, a second glass fiber grid layer, a second resin layer and a protective film from inside to outside in sequence. The side wall of the guide pipe is sleeved with two sets of clamps, a plurality of sets of air bags are arranged on the inner wall of the guide pipe, a communicating pipe is installed between every two adjacent sets of air bags, an air inlet pipe penetrates through the end face of the front set of air bags, a regulating valve is arranged on the side wall of the air inlet pipe, and a cable penetrates through the interior of the guide pipe. The glass fiber reinforced plastic cable conduit has the beneficial effects that the air bag is adopted, the cable in the cable conduit can be conveniently disassembled and assembled through the arranged air bag, and the use practicability of the glass fiber reinforced plastic cable conduit is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable conduits, in particular to a glass fiber reinforced plastic cable conduit. Background Art

[0002] Cable ducts are non-metallic tubes used to protect cables. They have the advantages of chemical corrosion resistance, light weight and high strength, no scaling, and strong shock resistance. Glass fiber reinforced plastic cable ducts are glass fibers with a resin matrix that are wound layer by layer on a rotating core mold according to process requirements, and quartz sand is evenly spread between the fibers at a long distance as a sand layer. In actual use, they have the characteristics of simple operation, stable structure and long service life.

[0003] The prior art discloses a high-strength glass fiber reinforced plastic cable conduit with announcement number: CN205724730U, comprising an inner structural layer, the surface of the inner structural layer is wrapped with an intermediate layer, the surface of the intermediate layer is wrapped with an outer structural layer, the inner structural layer is composed of a glass fiber knitted layer, a resin layer and a glass fiber mesh layer from the inside to the outside, the intermediate layer is composed of a first aluminum foil layer, a sand layer and a second aluminum foil layer from the inside to the outside, the thickness of the first aluminum foil layer and the second aluminum foil layer are both between 0.2 and 0.4 mm, the sand layer is composed of quartz sand bonded together by a sand-bonding resin, the outer structural layer is composed of a glass fiber mesh layer, a resin layer and a protective film from the inside to the outside, the protective film is seamlessly bonded to the resin layer, the protective film is a plastic protective film, the glass fiber knitted layer is a skeleton of a plurality of glass fiber strands woven together to form a vertical and horizontal glass fiber bundle, and multiple layers of glass fiber bundles are cross-wound The inner structural layer of the base material is composed of a glass fiber knitted layer, a resin layer and a glass fiber mesh layer, which not only improves the compressive strength and deformation resistance, but also has a good anti-seepage effect; the sand layer adopts lightweight, anti-corrosion, heat-insulating and high-temperature resistant quartz sand, which can improve the rigidity of the product and reduce the manufacturing cost of the product. The middle layer composed of the first aluminum foil layer, the sand layer and the second aluminum foil layer has good thermal insulation and flame retardant effects; the outer structural layer adopts a glass fiber mesh layer that is cross-wound in multiple layers and impregnated with resin for bonding, and then a protective film is seamlessly bonded on the resin surface, which is beneficial to the curing and shaping of the cable conduit, protects the pipe, makes the outer wall smooth and facilitates construction; and the cable conduit composed of the inner structural layer, the middle layer and the outer structural layer is not easy to fall off or crack, and has the characteristics of high strength, light weight, smooth inner wall, insulation, flame retardancy and corrosion resistance.

[0004] In the above utility model, the cable needs to be placed and passed through the inside of the cable duct, but there is no fastening structure between the cable and the cable duct, which will cause the cable and the cable duct to separate. When the cable moves out of the cable duct, the cable duct loses its function of protecting the cable, reducing the practicality of the utility model.

[0005] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] In view of the deficiencies in the prior art, the utility model provides a glass fiber reinforced plastic cable duct, which has the advantage of being able to conveniently disassemble and assemble the cables inside the cable duct, thereby solving the problems in the above-mentioned background technology.

[0008] (II) Technical solution

[0009] In order to achieve the above-mentioned advantage of being able to conveniently disassemble and assemble the cables inside the cable duct, the specific technical solution adopted by the utility model is as follows:

[0010] A glass fiber reinforced plastic cable conduit comprises a conduit, wherein the conduit is provided with a glass fiber knitted layer, a first resin layer, a first glass fiber mesh layer, a first aluminum foil layer, a sand layer, a second aluminum foil layer, a second glass fiber mesh layer, a second resin layer and a protective film in sequence from the inside to the outside, two groups of clamps are sleeved on the side wall of the conduit, a plurality of groups of air bags are provided on the inner wall of the conduit, a connecting pipe is installed between two adjacent groups of the air bags, an air intake pipe is penetrated through the end face of the front group of the air bags, and a regulating valve is provided on the side wall of the air intake pipe, and a cable is penetrated inside the conduit.

[0011] Furthermore, two groups of mounting bolts are passed through the two groups of clamps, and the side walls of the two groups of mounting bolts are sleeved with mounting nuts, two groups of positioning screws are welded to the end faces of the two groups of clamps, the side walls of the four groups of positioning screws are sleeved with groove plates and positioning nuts, the interiors of the four groups of groove plates are penetrated by mounting shafts through bearings, and the side walls of the four groups of mounting shafts are sleeved with rollers.

[0012] Furthermore, the threads of the two groups of mounting bolts and the two groups of mounting nuts cooperate with each other.

[0013] Furthermore, the four groups of positioning screws and the four groups of positioning nut threads cooperate with each other.

[0014] Furthermore, the sand layer is composed of quartz sand bonded together by sand-bonding resin.

[0015] Furthermore, the protective film is a plastic protective film.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the utility model provides a glass fiber reinforced plastic cable conduit having the following features:

[0018] Beneficial effects:

[0019] (1) The utility model adopts an air bag. When the glass fiber reinforced plastic cable conduit is actually used, the operator first passes the cable through the conduit, and then connects one end of the air inlet pipe to the external inflation device. At this time, the regulating valve is opened and closed, and the external inflation device is powered on. Air will be filled into the interior of a group of air bags on the same side. Due to the existence of multiple groups of connecting pipes, the interiors of multiple groups of air bags will be filled with gas, and the multiple groups of air bags will gradually swell. When the multiple groups of air bags are in close contact with the cables, the regulating valve is closed, and the external inflation device is removed. At this time, the friction between the multiple groups of air bags and the cables is used to prevent the cables from being easily moved out of the conduit. When the cables need to be removed, the regulating valve is opened and closed, and the multiple groups of air bags are squeezed. The resistance of the multiple groups of air bags is lost, and the cables can be easily moved out. The air bags are provided to facilitate the disassembly and assembly of the cables inside the cable conduit, thereby improving the practicality of the glass fiber reinforced plastic cable conduit.

[0020] (2) The utility model adopts a clamp. When the glass fiber reinforced plastic cable conduit needs to be moved and used, the operator first sleeves the two sets of clamps on the outer wall of the conduit, and then passes the two sets of mounting bolts through the two sets of clamps. The two sets of mounting bolts and the two sets of mounting nuts are used to cooperate with each other. The operator manually sleeves the two sets of mounting nuts on the side walls of the two sets of mounting bolts in a clockwise manner. Then, the four sets of groove plates are rotated with the four sets of positioning screws as the center axis. When the four sets of groove plates are moved to the appropriate position, the four sets of positioning screws and the four sets of positioning nut threads are used to cooperate with each other. The operator manually rotates the four sets of positioning nuts clockwise. When the four sets of positioning nuts and the two sets of clamps are in close contact with the four sets of groove plates, the use position of the four sets of groove plates is fixed. The installation of the remaining sets of clamps is the same as the operation. At this time, multiple sets of rollers can be placed on the ground. Multiple sets of mounting shafts can be used to roll multiple sets of rollers. At this time, the conduit can be moved. The clamps can be used to conveniently move the conduit, which brings convenience to the movement and use of the glass fiber reinforced plastic cable conduit. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a structural schematic diagram of the glass fiber reinforced plastic cable conduit proposed by the utility model;

[0023] Figure 2 It is a three-dimensional diagram of the groove plate proposed by the utility model;

[0024] Figure 3 It is a side view of the airbag proposed by the utility model;

[0025] Figure 4 The utility model proposes Figure 1 A is an enlarged view of the middle image.

[0026] In the figure:

[0027] 1. Conduit; 2. Glass fiber knitted layer; 3. First resin layer; 4. First glass fiber mesh layer; 5. First aluminum foil layer; 6. Sand layer; 7. Second aluminum foil layer; 8. Second glass fiber mesh layer; 9. Second resin layer; 10. Protective film; 11. Clamp; 12. Cable; 13. Airbag; 14. Connecting pipe; 15. Intake pipe; 16. Regulating valve; 17. Mounting bolt; 18. Mounting nut; 19. Positioning screw; 20. Groove plate; 21. Mounting shaft; 22. Roller; 23. Positioning nut. DETAILED DESCRIPTION

[0028] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0029] According to an embodiment of the utility model, a glass fiber reinforced plastic cable conduit is provided.

[0030] The present invention is now further described in conjunction with the accompanying drawings and specific implementation methods. Figure 1-4 As shown, a glass fiber reinforced plastic cable conduit according to an embodiment of the utility model comprises a conduit 1, on which a glass fiber knitted layer 2, a first resin layer 3, a first glass fiber mesh layer 4, a first aluminum foil layer 5, a sand layer 6, a second aluminum foil layer 7, a second glass fiber mesh layer 8, a second resin layer 9 and a protective film 10 are sequentially arranged from the inside to the outside of the conduit 1, two groups of clamps 11 are sleeved on the side wall of the conduit 1, a plurality of groups of air bags 13 are arranged on the inner wall of the conduit 1, a connecting pipe 14 is installed between two adjacent groups of air bags 13, an air intake pipe 15 is penetrated through the end face of the front group of air bags 13, and a regulating valve 16 is arranged on the side wall of the air intake pipe 15, a cable 12 is penetrated through the inside of the conduit 1, and the air bags 13 are arranged to conveniently disassemble and assemble the cable 12 inside the cable conduit, thereby improving the practicality of the glass fiber reinforced plastic cable conduit.

[0031] In one embodiment, two groups of mounting bolts 17 are passed through the two groups of clamps 11, and the side walls of the two groups of mounting bolts 17 are sleeved with mounting nuts 18, two groups of positioning screws 19 are welded to the end faces of the two groups of clamps 11, and the side walls of the four groups of positioning screws 19 are sleeved with groove plates 20 and positioning nuts 23, and the interiors of the four groups of groove plates 20 are penetrated by mounting shafts 21 through bearings, and the side walls of the four groups of mounting shafts 21 are sleeved with rollers 22. Through the arrangement of the clamps 11, the conduit 1 can be conveniently moved, which brings convenience to the movement and use of the glass fiber reinforced plastic cable conduit.

[0032] In one embodiment, the threads of the two sets of mounting bolts 17 and the two sets of mounting nuts 18 cooperate with each other, so as to facilitate adjustment of the use positions of the two sets of mounting nuts 18 .

[0033] In one embodiment, the threads of the four sets of positioning screws 19 and the four sets of positioning nuts 23 cooperate with each other, so as to facilitate the adjustment of the use positions of the four sets of positioning nuts 23 .

[0034] In one embodiment, the sand layer 6 is composed of quartz sand bonded together by sand bonding resin.

[0035] In one embodiment, the protective film 10 is a plastic protective film.

[0036] Working principle:

[0037] When the fiberglass reinforced plastic cable conduit is actually used, the operator first passes the cable 12 through the conduit 1, and then connects one end of the air inlet pipe 15 to the external inflation device. At this time, the regulating valve 16 is opened and closed, and the external inflation device is powered on. Air will be filled into the interior of a group of air bags 13 on the same side. Due to the existence of multiple groups of connecting pipes 14, the interiors of multiple groups of air bags 13 will be filled with gas, and the multiple groups of air bags 13 will gradually swell. When the multiple groups of air bags 13 are in close contact with the cable 12, the regulating valve 16 is closed, and then the external inflation device is disassembled. The friction between the multiple groups of air bags 13 and the cable 12 is utilized, and the cable 12 will not be easily moved out of the conduit 1. When the cable 12 needs to be removed, the regulating valve 16 is opened and closed, and the multiple groups of air bags 13 are squeezed. The resistance of the multiple groups of air bags 13 is lost, and the cable 12 can be easily moved out. The air bags 13 can be conveniently disassembled and assembled on the cable duct, which improves the practicality of the glass fiber reinforced plastic cable duct. At the same time, when the glass fiber reinforced plastic cable duct needs to be moved and used, the operator first The two sets of clamps 11 are sleeved on the outer wall of the conduit 1, and then the two sets of mounting bolts 17 are passed through the two sets of clamps 11. The threads of the two sets of mounting bolts 17 and the two sets of mounting nuts 18 are matched with each other. The operator manually sleeves the two sets of mounting nuts 18 on the side walls of the two sets of mounting bolts 17 in a clockwise manner, and then rotates the four sets of groove plates 20 with the four sets of positioning screws 19 as the central axis. When the four sets of groove plates 20 are moved to the appropriate position, the threads of the four sets of positioning screws 19 and the four sets of positioning nuts 23 are matched with each other. The operator A person rotates the four sets of positioning nuts 23 clockwise by hand. When the four sets of positioning nuts 23 and the two sets of clamps 11 are in close contact with the four sets of groove plates 20, the use position of the four sets of groove plates 20 is fixed, and the installation of the remaining sets of clamps 11 is the same as the operation. At this time, multiple sets of rollers 22 can be placed on the ground, and multiple sets of installation shafts 21 can be used to roll the multiple sets of rollers 22. At this time, the movable conduit 1 can be conveniently moved through the set clamps 11, which brings convenience to the mobile use of the glass fiber reinforced plastic cable conduit.

[0038] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A glass fiber reinforced plastic cable conduit, characterized in that: The invention comprises a conduit (1), wherein the conduit (1) is provided with a glass fiber knitted layer (2), a first resin layer (3), a first glass fiber mesh layer (4), a first aluminum foil layer (5), a sand layer (6), a second aluminum foil layer (7), a second glass fiber mesh layer (8), a second resin layer (9) and a protective film (10) in sequence from the inside to the outside; two groups of clamps (11) are sleeved on the side wall of the conduit (1); a plurality of groups of air bags (13) are provided on the inner wall of the conduit (1); a connecting pipe (14) is installed between two adjacent groups of the air bags (13); an air intake pipe (15) is passed through the end surface of the front group of the air bags (13); a regulating valve (16) is provided on the side wall of the air intake pipe (15); and a cable (12) is passed through the interior of the conduit (1).

2. The glass fiber reinforced plastic cable conduit according to claim 1, characterized in that: Two groups of mounting bolts (17) are passed through between the two groups of clamps (11), and the side walls of the two groups of mounting bolts (17) are sleeved with mounting nuts (18), the end faces of the two groups of clamps (11) are welded with two groups of positioning screws (19), the side walls of the four groups of positioning screws (19) are sleeved with groove plates (20) and positioning nuts (23), the interiors of the four groups of groove plates (20) are penetrated by mounting shafts (21) through bearings, and the side walls of the four groups of mounting shafts (21) are sleeved with rollers (22).

3. The glass fiber reinforced plastic cable conduit according to claim 2, characterized in that: The threads of the two groups of mounting bolts (17) and the two groups of mounting nuts (18) cooperate with each other.

4. The glass fiber reinforced plastic cable conduit according to claim 2, characterized in that: The threads of the four groups of positioning screws (19) and the four groups of positioning nuts (23) cooperate with each other.

5. The glass fiber reinforced plastic cable conduit according to claim 1, characterized in that: The sand layer (6) is composed of quartz sand bonded together by sand-bonding resin.

6. The glass fiber reinforced plastic cable conduit according to claim 1, characterized in that: The protective film (10) is a plastic protective film.

Images