CN213459162U - Fireproof cable with compression-resistant structure - Google Patents
Fireproof cable with compression-resistant structure Download PDFInfo
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- CN213459162U CN213459162U CN202023051003.8U CN202023051003U CN213459162U CN 213459162 U CN213459162 U CN 213459162U CN 202023051003 U CN202023051003 U CN 202023051003U CN 213459162 U CN213459162 U CN 213459162U
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Abstract
The utility model discloses a fireproof cable with compressive structures, including conductor, insulating layer, steel band armor and sheath, it is a plurality of the outer wall of conductor all closely laminates there is the insulating layer, the outer wall of insulating layer closely laminates there is the steel band armor, the sheath has been cup jointed to the outer wall of steel band armor, the inner wall and the steel band armor interference fit of sheath, the functional layer is installed to the outer wall of sheath. This fireproof cable with compressive structures, through the fibrous layer, the cooperation of asbestos stratum reticulare and wearing layer etc. is used, the fibrous layer improves the high temperature resistance of cable, the asbestos stratum reticulare has flame retardant action and wearing layer and increases the life of cable, through last arc, lower arc, the threaded rod, a spring, the cooperation of clamp plate and nut etc. is used, when increasing cable surface strength, increase the crushing resistance simultaneously, be favorable to using widely, through the frid, the riser, the cooperation of bolt and mounting panel etc. is used, make things convenient for the installation of cable in the special road section.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be a fireproof cable with compressive structures.
Background
The cable is an electric energy or signal transmission device, usually constitute by several or several groups of wire, the electric wire and cable that is used for information transmission system mainly has local cable, television cable, electron cable, radio frequency cable, optic fibre cable, data cable, electromagnetic wire, electric power communication or other composite cable etc. but current cable, the fire resistance and the fire proofness of cable are relatively poor, influence the life of cable, lead to the practicality of whole mechanism to descend, and the compressive property of cable is relatively poor, inconvenient installation when special highway section connecting cable, the user demand to the cable in very difficult life.
Disclosure of Invention
An object of the utility model is to provide a fireproof cable with compressive structures to propose current cable among the solution above-mentioned background art, the fire resistance and the fire behavior of cable are relatively poor, influence the life of cable, lead to the problem that the practicality of whole mechanism descends.
In order to achieve the above object, the utility model provides a following technical scheme: a fireproof cable with a compression-resistant structure comprises conductors, insulating layers, steel tape armoring and a sheath, wherein the insulating layers are tightly attached to the outer walls of the conductors, the steel tape armoring is tightly attached to the outer walls of the insulating layers, the sheath is sleeved on the outer wall of the steel tape armoring, the inner wall of the sheath is in interference fit with the steel tape armoring, and a functional layer is mounted on the outer wall of the sheath;
the functional layer comprises a fiber layer, an asbestos screen layer and a wear-resistant layer;
the inner wall of the fiber layer is in interference fit with the sheath, the outer wall of the fiber layer is wrapped with an asbestos mesh layer, and the outer wall of the asbestos mesh layer is fixedly connected with a wear-resistant layer.
Preferably, the outer wall of the wear-resistant layer is provided with a compression-resistant mechanism;
the compression-resistant mechanism comprises an upper arc-shaped plate, a lower arc-shaped plate, a threaded rod, a spring, a pressure plate and a nut;
the bottom of going up the arc is equipped with down the arc, the inner wall of arc and last arc all closely laminates with the wearing layer down, the equal swing joint in the left and right sides of arc has the threaded rod, two down supreme spring, clamp plate and the nut threaded connection of running through in proper order under the outer wall of threaded rod, spring and threaded rod clearance fit, clamp plate and threaded rod clearance fit, the upper surface and the last arc of clamp plate laminate mutually.
Preferably, the threaded rods are symmetrically distributed about the lower arcuate plate.
Preferably, the pressing plate and the threaded rod form a sliding mechanism.
Preferably, the bottom end of the lower arc-shaped plate is fixedly connected with an installation mechanism;
the mounting mechanism comprises a groove plate, a vertical plate, a bolt and a mounting plate;
the top and the lower arc board rigid coupling of frid, the left and right sides of frid all is equipped with the riser, two the equal threaded connection in inside of riser has the bolt, the outer wall of bolt runs through riser and frid threaded connection, the bottom rigid coupling of riser has the mounting panel.
Preferably, the vertical plate is perpendicular to the mounting plate.
Compared with the prior art, the beneficial effects of the utility model are that: this fireproof cable with compressive structures for traditional technique, has following advantage:
through the cooperation use of fibrous layer, asbestos stratum reticulare and wearing layer etc. the fibrous layer improves the high temperature resistance of cable, and the asbestos stratum reticulare has flame retardant efficiency and wearing layer to increase the life of cable, and then improves the practicality of whole mechanism.
Through the cooperation use of last arc, lower arc, threaded rod, spring, clamp plate and nut etc. go up the arc and cover at the outer wall of cable with lower arc, when increasing cable surface strength, increase the crushing resistance simultaneously, be favorable to using widely.
Through the cooperation use of frid, riser, bolt and mounting panel etc. make things convenient for the installation of cable in special highway section, the user demand to the cable in the life greatly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the functional layer and the protective cover of FIG. 1;
FIG. 3 is a schematic view of the connection structure of the pressure resisting mechanism and the wear layer in FIG. 1;
FIG. 4 is a schematic view of the connection structure between the mounting mechanism and the lower arc-shaped plate in FIG. 1.
In the figure: 1. conductor, 2, insulating layer, 3, steel tape armor, 4, sheath, 5, functional layer, 501, fiber layer, 502, asbestos mesh layer, 503, wear-resistant layer, 6, pressure-resistant mechanism, 601, upper arc plate, 602, lower arc plate, 603, threaded rod, 604, spring, 605, pressing plate, 606, nut, 7, mounting mechanism, 701, groove plate, 702, vertical plate, 703, bolt, 704 and mounting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a fireproof cable with a pressure-resistant structure comprises a conductor 1 and an insulating layer 2, steel band armor 3 and sheath 4, the outer wall of six conductors 1 all closely laminates insulating layer 2, insulating layer 2 is made for the crosslinked polyethylene material, the outer wall of insulating layer 2 closely laminates steel band armor 3, the outer wall of steel band armor 3 has cup jointed sheath 4, sheath 4 is made for the polyvinyl chloride material, the inner wall and the 3 interference fit of steel band armor of sheath 4, functional layer 5 is installed to the outer wall of sheath 4, functional layer 5 includes fibrous layer 501, asbestos stratum reticulare 502 and wearing layer 503, the inner wall and the 4 interference fit of sheath of fibrous layer 501, fibrous layer 501 is the fiber cloth that graphite fiber material made, high temperature resistance is superior, the outer wall parcel of fibrous layer 501 has asbestos stratum reticulare 502, asbestos stratum reticulare 502 has fire-retardant action, the outer wall rigid coupling of asbestos stratum reticulare 502 has wearing layer 503, wearing layer 503 makes for the PVC resin and has anti wear-resistant effect.
The outer wall of the wear-resistant layer 503 is provided with a pressure-resistant mechanism 6, the pressure-resistant mechanism 6 comprises an upper arc-shaped plate 601, a lower arc-shaped plate 602, threaded rods 603, springs 604, a pressure plate 605 and nuts 606, the bottom end of the upper arc-shaped plate 601 is provided with the lower arc-shaped plate 602, the inner walls of the lower arc-shaped plate 602 and the upper arc-shaped plate 601 are tightly attached to the wear-resistant layer 503, the left side and the right side of the lower arc-shaped plate 602 are movably connected with the threaded rods 603, the threaded rods 603 can rotate in the lower arc-shaped plate 602, the outer walls of the two threaded rods 603 sequentially penetrate through the springs 604 from bottom to top, the pressure plate 605 is in threaded connection with the nuts 606, the springs 604 are in clearance fit with the threaded rods 603, the pressure plate 605 is forced to move downwards on the outer wall of the threaded rods 603 to compress the springs, the pressure plate 605 and the threaded rod 603 constitute a sliding mechanism.
In this example, when using the cable, first buckle the outer wall of wearing layer 503 with upper arc 601 and lower arc 602, rotate two threaded rods 603 and block into the draw-in groove of upper arc 601, two pressing plates 605 are located on the lower surface of lower arc 602, turn over nut 606 into the recess of upper arc 601 on the top of threaded rod 603, pressing plate 605 is forced to compress spring 604, when needing to install the whole mechanism, place the frid 701 between two risers 702, use bolt 703 to run through riser 702 and be connected with frid 701, and then fix riser 702 and frid 701, both sides are processed with the screw hole on the left and right sides of mounting plate 704, install the whole mechanism through mounting plate 704, design fibrous layer 501, asbestos mesh layer 502 and wearing layer 503 in proper order on the outer wall of sheath 4, wearing layer 503 is made of PVC resin and has the function of resisting wear, fibrous layer 501 is made of graphite fiber material, the high-temperature resistance is excellent, the asbestos net layer 502 and the fiber layer 501 have a flame-retardant effect, and the fire resistance of the cable is improved.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a fireproof cable with compression-resistant structure, includes conductor (1), insulating layer (2), steel band armor (3) and sheath (4), and is a plurality of the outer wall of conductor (1) all closely laminates insulating layer (2), the outer wall of insulating layer (2) closely laminates steel band armor (3), sheath (4) have been cup jointed to the outer wall of steel band armor (3), the inner wall and steel band armor (3) interference fit of sheath (4), its characterized in that: the outer wall of the sheath (4) is provided with a functional layer (5);
the functional layer (5) comprises a fiber layer (501), an asbestos net layer (502) and a wear-resistant layer (503);
the inner wall of the fiber layer (501) is in interference fit with the sheath (4), the outer wall of the fiber layer (501) is wrapped with an asbestos net layer (502), and the outer wall of the asbestos net layer (502) is fixedly connected with a wear-resistant layer (503).
2. The fireproof cable with pressure-resistant structure according to claim 1, wherein: the outer wall of the wear-resistant layer (503) is provided with a compression-resistant mechanism (6);
the compression-resistant mechanism (6) comprises an upper arc-shaped plate (601), a lower arc-shaped plate (602), a threaded rod (603), a spring (604), a pressure plate (605) and a nut (606);
the bottom of going up arc (601) is equipped with down arc (602), the inner wall of arc (602) and last arc (601) all closely laminates with wearing layer (503) down, the equal swing joint in left and right sides of arc (602) has threaded rod (603) down, two supreme spring (604), clamp plate (605) and nut (606) threaded connection that run through in proper order down of the outer wall of threaded rod (603), spring (604) and threaded rod (603) clearance fit, clamp plate (605) and threaded rod (603) clearance fit, the upper surface and the last arc (601) of clamp plate (605) laminate mutually.
3. A fire-resistant cable having a crush-resistant structure as claimed in claim 2, wherein: the threaded rods (603) are symmetrically distributed about the lower arcuate plate (602).
4. A fire-resistant cable having a crush-resistant structure as claimed in claim 2, wherein: the pressing plate (605) and the threaded rod (603) form a sliding mechanism.
5. A fire-resistant cable having a crush-resistant structure as claimed in claim 2, wherein: the bottom end of the lower arc-shaped plate (602) is fixedly connected with an installation mechanism (7);
the mounting mechanism (7) comprises a groove plate (701), a vertical plate (702), a bolt (703) and a mounting plate (704);
the top and the looks rigid coupling of lower arc (602) of frid (701), the left and right sides of frid (701) all is equipped with riser (702), two the equal threaded connection in inside of riser (702) has bolt (703), the outer wall of bolt (703) runs through riser (702) and frid (701) threaded connection, the bottom rigid coupling of riser (702) has mounting panel (704).
6. The fireproof cable with pressure-resistant structure according to claim 5, wherein: the vertical plate (702) is arranged perpendicular to the mounting plate (704).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023051003.8U CN213459162U (en) | 2020-12-17 | 2020-12-17 | Fireproof cable with compression-resistant structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023051003.8U CN213459162U (en) | 2020-12-17 | 2020-12-17 | Fireproof cable with compression-resistant structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213459162U true CN213459162U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023051003.8U Active CN213459162U (en) | 2020-12-17 | 2020-12-17 | Fireproof cable with compression-resistant structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213459162U (en) |
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2020
- 2020-12-17 CN CN202023051003.8U patent/CN213459162U/en active Active
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