CN217690536U - Novel metal shielding type photoelectric composite rubber jacketed flexible cable of coal mining machine - Google Patents

Abstract

The utility model discloses a novel coal-winning machine metal shielding type photoelectricity composite rubber cover flexible cable belongs to cable technical field, and it includes the cable core, the cable core is stranded the stranding by insulating power sinle silk and the control core group that forms by three piece at least control core transposition, the cable core still has the bare earth sinle silk of deformability along the packing of cable core axial in the transposition clearance of insulating power sinle silk and control core group, and wear to be equipped with the optical cable along the cable core axial in the bare earth sinle silk. The utility model provides a rationally distributed and can improve the novel compound rubber cover flexible cable of coal-winning machine metal shielding type photoelectricity of control sinle silk quantity and optical cable reliability.

Description

Novel metal shielding type photoelectric composite rubber jacketed flexible cable of coal mining machine

Technical Field

The utility model relates to the technical field of cables, particularly, relate to a novel coal-winning machine metal shielding type photoelectric composite rubber cover flexible cable.

Background

The armored cable is a cable with a metal material armored protective layer, the purpose of the cable and the armored layer is to enhance the tensile strength, the compressive strength and other mechanical protection, prolong the service life and improve the anti-interference performance of the cable through shielding protection.

The coal mining machine cable needs to move back and forth and left and right along with the coal mining machine in the using process, the cable is subjected to severe dragging, bending and twisting and possible impact and extrusion of coal blocks or falling rocks, and a conductor of the cable is easy to break (particularly a control wire core conductor of the cable is short in service life, a user needs to frequently replace the cable, so that the labor intensity of personnel is high, and the production cost of a coal mine is reduced.

Then the cable of the coal mining machine of the fully mechanized mining equipment is frequently bent and dragged in a 8 shape or an S shape in a severe way in the moving process. When the cable is bent, the inner ring wire core of the cable is subjected to a large tensile force, the movement of the coal mining machine causes a large longitudinal tensile force to the cable, and the cable is impacted by coal blocks or falling rocks during working, so that the cable conductor is easily broken, the insulation and the sheath are easily damaged, and the sheath bulges and the like; with the wide application of frequency conversion technology, the cable must have excellent interference resistance and interference suppression capability in addition to the above mechanical properties, which cannot be satisfied by the conventional cable.

Patent CN 211264982U, which is filed by the applicant in 2019, 9, 4 and discloses a metal shielding type photoelectric composite rubber jacketed flexible cable for a coal mining machine, wherein an optical cable is stranded at the center of a control conductor core group, and in the application process, the applicant finds that the content space of the control conductor core group is restricted and the improvement of the overall performance of the cable is not facilitated.

SUMMERY OF THE UTILITY MODEL

The application mainly aims to provide a novel metal shielding type photoelectric composite rubber jacketed flexible cable for a coal mining machine, so as to solve the technical problem existing in the background technology.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a novel coal-winning machine metal shielding type photoelectric composite rubber cover flexible cable, it includes the cable core, the cable core is by insulating power core and the control wire core group transposition stranding cable that forms by three piece at least control wire core transposition, the cable core still has the bare area sinle silk of deformability along the packing of cable core axial in the transposition clearance of insulating power core and control wire core group, and wear to be equipped with the optical cable along the cable core axial in the bare area sinle silk.

Furthermore, a sheath layer is arranged outside the cable core, and fiber reinforcing frameworks are distributed in the sheath layer around the circumference of the cable core.

Furthermore, the bare ground wire core is formed by stranding a plurality of bare ground wire core strands and the optical cable from outside to inside.

Furthermore, the bare ground wire core is formed by twisting six bare ground wire core strands.

Furthermore, the control wire core group is formed by twisting 3-8 control wire cores.

Furthermore, the insulating layer of control core wraps the shielding layer outward, just the shielding layer comprises aluminium foil or compound area of plastic-aluminum or copper foil or compound area or tinned copper wire braid over braid or tinned copper wire and the alternately braid over braid of fibre.

Furthermore, the optical cable comprises an anti-bending optical fiber and a spiral armor layer outside the optical fiber, wherein the spiral armor layer is formed by armoring a stainless steel belt with the thickness of 0.2-0.4mm in the right direction.

Furthermore, the optical cable is provided with a coating layer in close contact with the optical fiber between the optical fiber and the spiral armor layer, and the coating layer is made of high-temperature-resistant polyimide or PBT.

Furthermore, the optical cable is provided with a fiber tensile element and a fluoroplastic sheath layer sequentially from inside to outside the spiral armor layer, and the optical cable is also provided with a spiral armor layer outside the fluoroplastic sheath layer.

Furthermore, the outermost layer of the optical cable is a fiber woven anti-torsion layer, and the fiber woven anti-torsion layer is made of aramid fibers or nylon 66 fibers.

The utility model discloses an useful part lies in: the utility model provides a rationally distributed and can improve the novel coal-winning machine metal shielding type photoelectric composite rubber cover flexible cable of control core quantity and optical cable reliability.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and the description of the exemplary embodiments of the present application are provided for explaining the present application and do not constitute an undue limitation on the present application. In the drawings:

fig. 1 is a schematic cross-sectional structure diagram of a novel metal shielding type photoelectric composite rubber jacketed flexible cable for a coal mining machine of the utility model.

Fig. 2 is a schematic cross-sectional structure diagram of the control wire core set of the present invention.

In the above drawings, 1, insulating power core, 2, bare ground core, 3, optical cable, 4, control core group, 5, control core, 6, control core shielding layer, 7, control core cabling belting, 8, control core group coating, 9, control core group isolation layer, 10, vulcanization leather clothing strip with tensile element, 11, control core group total shielding layer, 12, fiber skeleton enhancement layer, 13, restrictive coating.

Detailed Description

In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

The novel metal shielding type photoelectric composite rubber jacketed flexible cable for the coal mining machine, as shown in fig. 1 and fig. 2, comprises a cable core, wherein the cable core is formed by stranding an insulating power wire core 1 and a control wire core group 4 formed by stranding at least three control wire cores 5, the cable core is further filled with a deformable bare ground wire core 2 along the axial direction of the cable core in a stranding gap between the insulating power wire core 1 and the control wire core group 4, and an optical cable 3 penetrates through the bare ground wire core 2 along the axial direction of the cable core.

On the one hand, because the utility model discloses a coal-winning machine metal shielding type photoelectricity composite rubber cover flexible cable, its center department is equipped with the bare land sinle silk 2 of deformability, through experimental discovery, contrast optical cable 3 is put into in the control guy group 4 and is put into bare land sinle silk 2 with optical cable 3, when the serious bending and the dilatory of "8" font or "S" shape take place for the cable, the extrusion and the bending stress that optical cable 3 received are different, because bare land sinle silk 2 is in the most central point of cable puts, optical cable 3 puts the central point that is in the cable when putting into wherein, the atress is minimum, be favorable to improving optical cable 3' S reliability and the anti extrusion that improves optical cable 3, shock resistance. On the other hand, the arrangement of the optical cable 3 into the control wire core group 4 further reduces the available space in the control wire core group 4, which is not favorable for increasing the number of the control wire cores 5 to improve the application performance of the cable.

In order to enhance the shock resistance of the outer layer of the cable, a sheath layer 13 is arranged outside the cable core, and fiber reinforcing frameworks 12 are distributed in the sheath layer 13 around the circumference of the cable core.

In the present embodiment, the bare earth core 2 is formed by twisting a plurality of bare earth core strands with the optical cable 3 from outside to inside, and the optical cable 3 is located at the twisting center of the plurality of bare earth core strands.

In the present embodiment, the bare earth core 2 is formed by twisting six bare earth core strands.

In this embodiment, the control conductor core group 4 is formed by twisting 3 to 8 control conductor cores 5.

Example 2

As shown in fig. 2, in some embodiments of the present invention, the conductor core set 4 is formed by twisting 6 conductor cores 5.

In this embodiment, six control wire cores 5 are twisted around a vulcanized rubber strip 10 with a tensile element to form a cable core of the control wire core group 4, and the vulcanized rubber strip 10 with the tensile element is beneficial to improving the tensile property of the control wire core group; and the cable core of the control wire core group 4 is coated with a control wire core cabling wrapping belt 7.

In this embodiment, the control conductor group 4 is sequentially provided with a control conductor group coating layer 8, a control conductor group isolation layer and a control conductor group total shielding layer 11 from inside to outside on the control conductor cabling tape 7.

In this embodiment, the insulating layer of the control core 5 externally wraps a shielding layer 6, and the shielding layer 6 is composed of an aluminum foil or an aluminum-plastic composite belt or a copper foil or a copper-plastic composite belt or a tinned copper wire braid or a tinned copper wire and fiber cross braid.

Example 3

In some embodiments of the present invention, the optical cable 4 includes a bending-resistant optical fiber and a spiral armor layer outside the optical fiber, and the spiral armor layer is formed by right-hand armor of a stainless steel band with a thickness of 0.2-0.4 mm.

In this embodiment, the optical cable is provided with a cladding layer in close contact with the optical fiber between the optical fiber and the spiral armor layer, and the cladding layer is made of high-temperature-resistant polyimide or PBT.

In this embodiment, the optical cable is equipped with fibre tensile element and fluoroplastics restrictive coating outside the spiral armor layer from inside to outside in proper order, the optical cable still sets up one deck spiral armor layer outside fluoroplastics restrictive coating.

In this embodiment, the outermost layer of the optical cable is a fiber woven anti-torsion layer, and the fiber woven anti-torsion layer is made of aramid fibers or nylon 66 fibers.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a novel coal-winning machine metal shielding type photoelectric composite rubber cover flexible cable, its includes the cable core, its characterized in that, the cable core is stranded the stranding by insulating power core and by the control wire core group that three piece at least control wire core transposition formed, the cable core still fills along the cable core axial in the transposition clearance of insulating power core and control wire core group has the bare area sinle silk of deformability, and wear to be equipped with the optical cable along the cable core axial in the bare area sinle silk.

2. The novel metal shielding type photoelectric composite rubber jacketed flexible cable for the coal mining machine as claimed in claim 1, wherein a sheath layer is arranged outside the cable core, and fiber reinforcing frameworks are distributed around the circumference of the cable core in the sheath layer.

3. The novel metal shielding type photoelectric composite rubber jacketed flexible cable for the coal mining machine as claimed in claim 1, wherein the bare earth core is formed by twisting a plurality of bare earth core strands and an optical cable from outside to inside.

4. The novel metal shielding type photoelectric composite rubber jacketed flexible cable for coal mining machines as claimed in claim 1, wherein the bare earth core is formed by twisting six strands of bare earth core strands.

5. The novel metal shielding type photoelectric composite rubber jacketed flexible cable for coal mining machines as claimed in claim 1, wherein the control conductor core group is formed by twisting 3-8 control conductor cores.

6. The novel metal shielding type photoelectric composite rubber jacketed flexible cable for the coal mining machine as claimed in claim 1, wherein the insulating layer of the control cable core is externally wrapped with a shielding layer, and the shielding layer is composed of an aluminum foil or an aluminum-plastic composite belt or a copper foil or a copper-plastic composite belt or a tinned copper wire braided belt or a tinned copper wire and fiber cross braided belt.

7. The novel metal shielding type photoelectric composite rubber jacketed flexible cable for coal mining machines as claimed in claim 1, wherein the optical cable comprises a bending-resistant optical fiber and a spiral armor layer outside the optical fiber, and the spiral armor layer is formed by right-hand armor of a stainless steel belt with a thickness of 0.2-0.4 mm.

8. The novel metal shielding type photoelectric composite rubber jacketed flexible cable for coal mining machines according to claim 7, characterized in that a coating layer is arranged between the optical fiber and the spiral armor layer and is tightly attached to the optical fiber, and the coating layer is made of high-temperature-resistant polyimide or PBT.

9. The novel metal-shielded photoelectric composite rubber-sheathed flexible cable for coal mining machines according to claim 7, wherein the optical cable is provided with a fiber tensile element and a fluoroplastic sheath layer sequentially from inside to outside the spiral armor layer, and the optical cable is further provided with a spiral armor layer outside the fluoroplastic sheath layer.

10. The novel metal-shielded photoelectric composite cabtyre cable for coal mining machines according to claim 7 or 9, wherein the outermost layer of the cable is a fiber-woven anti-torsion layer, and the fiber-woven anti-torsion layer is made of aramid fiber or nylon 66 fiber.

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