CN218384553U - Control wire core of coal mining machine cable - Google Patents
Control wire core of coal mining machine cable Download PDFInfo
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- CN218384553U CN218384553U CN202221624040.XU CN202221624040U CN218384553U CN 218384553 U CN218384553 U CN 218384553U CN 202221624040 U CN202221624040 U CN 202221624040U CN 218384553 U CN218384553 U CN 218384553U
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Abstract
The utility model discloses a control sinle silk of coal-winning machine cable belongs to cable technical field for direct or indirect cladding cable core conductor, sinle silk armor structure layer includes: the body is in a belt shape and is wrapped on the outer side of the cable core conductor in a cylindrical spiral structure; the cylindrical spiral structure formed by the body extends along the first direction of the axis of the cable core conductor, and an equidistant gap D exists between the cylindrical spiral structure formed by the body and the cable core conductor in the second direction perpendicular to the first direction. The utility model provides a shape is reasonable reliable and can improve cable core anti-extrusion, anti-interference and shielding effect's armor and by its cable core who constitutes.
Description
Technical Field
The utility model relates to the technical field of cables, particularly, relate to a cable core and sinle silk armor structure layer thereof.
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 cables of the coal mining machine need to move back and forth and left and right along with the coal mining machine in the using process, the cables are subjected to severe dragging, bending and twisting and possible impact and extrusion of coal blocks or falling rocks, conductors of the cables are easy to break (particularly control wire core conductors of the cables, the service life is short, users need to frequently replace the cables, the labor intensity of personnel is high, and the production cost of a coal mine is reduced.
The problem that the cable service life is short due to the fact that a cable control core conductor of the coal mining machine is prone to fracture is always a common problem in the industry, and how to overcome the problem that the cable control core conductor of the coal mining machine is prone to fracture and improve the service life of the cable is a key index for judging the performance of the coal mining machine cable.
With the development of coal mine intellectualization, the frequency conversion technology is more and more widely applied to coal mines, and the cable also has to have excellent anti-interference and interference suppression capabilities besides the mechanical properties.
At present, no cable core, in particular a cable control core, which has tensile strength, extrusion resistance, interference resistance, long service life and high reliability, exists in the market.
SUMMERY OF THE UTILITY MODEL
The main object of this application is to provide a cable core and sinle silk armor layer thereof to make cable core have high anti extrusion performance, tensile strength and interference killing feature under the support of its armor.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
the utility model provides a wire core armor structure layer which is used for directly or indirectly cladding a cable core conductor,
the core armor layer includes:
the body is in a strip shape and is wrapped outside the cable core conductor in a cylindrical spiral structure;
wherein, the cylindrical helical structure that the body formed extends along the first direction at the axis place of cable core conductor, just there is equidistance clearance D between the cylindrical helical structure that the body formed and the cable core conductor on the second direction of perpendicular to first direction.
Further, the body is formed by pressing stainless steel wires.
Further, the body has a flat cross-section in its normal plane with a width value greater than a thickness value.
Furthermore, the thickness edge lines on two sides in the flat section of the body are symmetrical and are both arc edges with the circle center in the flat section.
Furthermore, the thickness edge lines on two sides of the flat section of the body are all straight lines.
Further, the width edge line in the flat section of the body is a straight line edge.
Further, the middle parts of the width edge lines on two sides of the flat section of the body are protruded towards the inner side of the cylindrical spiral structure.
Furthermore, the middle parts of the width edge lines on two sides of the flat section of the body are protruded towards the outer side of the cylindrical spiral structure.
Furthermore, the width edge lines on two sides in the flat section of the body are concentric arc edges, and the circle center of the width edge lines is positioned on the outer side of the cylindrical spiral structure formed by the body.
Furthermore, the width edge lines on two sides in the flat section of the body are concentric arc edges, and the circle center of the width edge lines is positioned on the inner side of the cylindrical spiral structure formed by the body.
The utility model also provides a cable core contains: cable core conductors and core armor layers as previously described.
Further, the outside of the core armor layer is coated with a fiber braided layer.
Furthermore, the fiber braided layer is formed by braiding one or more of aramid fiber, nylon fiber and polyester fiber.
The utility model discloses an useful part lies in: the high-reliability armor layer with the reasonable and reliable shape and capable of improving the anti-extrusion, tensile and bending performances of the cable core and the cable core formed by the armor layer are provided.
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 their description illustrate the embodiments of the invention and do not limit it. In the drawings:
fig. 1 is a schematic structural view of a wire core armor structure layer of the present invention.
Fig. 2 is the structural schematic diagram of a cable core of the present invention.
Fig. 3 is a schematic cross-sectional view of the cable core of fig. 2.
Fig. 4 is a schematic view of the flat cross-section of fig. 1.
FIG. 5 is a schematic structural view of another flat cross section in example 3.
FIG. 6 is a schematic view showing a structure of a flat cross section in accordance with still another embodiment 4.
FIG. 7 is a schematic structural view of a flat cross section in accordance with example 5.
FIG. 8 is a schematic view showing a structure of a flat cross section in accordance with still another embodiment 6.
FIG. 9 is a schematic view showing a structure of a flat cross section in accordance with still another embodiment 7.
In the above drawings, 1 denotes a body of a core armor layer, 2 denotes a cable core conductor, 3 denotes a flat cross section, D denotes an equidistant gap, P denotes a normal plane, L denotes a flat cross section length, and H denotes a flat cross section width.
Detailed Description
In order to make the technical solutions 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 partial embodiments of the present application, but 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 in order to facilitate the description of the embodiments of the application herein. Moreover, 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 to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
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 the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
Referring to fig. 1, fig. 2 and fig. 3, a core armor layer provided in this embodiment is used for directly or indirectly cladding a conductor of a cable core, in this embodiment, the cable core is a control core of a cable for a coal mining machine, and the conductor is formed by stranding a plurality of tinned copper wires with a monofilament diameter of 0.15 to 0.30 mm;
the core armor structure layer includes:
the body 1 is in a belt shape and is wrapped on the outer side of the cable core conductor 2 in a cylindrical spiral structure;
wherein, the cylindrical helical structure that body 1 formed extends along the first direction at the axis place of cable core conductor 2, just there is equidistance clearance D between the cylindrical helical structure that the body formed and the cable core conductor on the second direction of perpendicular to first direction. The utility model provides an armor structure makes and is cable core and has the anti extruded effect of bending tensile, can satisfy it and can exceed 3 ten thousand times of continuous bending and not take place the sinle silk fracture under the condition of bending radius 2 times and below, has improved cable core's life.
In this embodiment, the value range of the ratio of the width of the body 1 to the diameter of the cable core conductor 2 is 0.3, further, the width of the body 1 is 0.9mm, and the diameter of the cable core conductor 2 is 3mm.
Owing to in-process taking place the bending, cable core bending section inside part, the cylinder helical structure shrink that body 1 formed and further can support tightly each other, the trend of further bending has been suppressed on the one hand, on the other hand, because the existence of equidistance clearance D, in the cable core bending section, cable core conductor 2 is the bend radius that bend radius will be greater than the bend radius of the cylinder spiral pipe of armor in cylinder helical structure, thereby to cable core conductor 2, it is forcing the power to self in bending process to have alleviated, avoid the bending section inside and outside to warp and break, the life of cable core has been prolonged.
Furthermore, the spiral gap of the cylindrical spiral structure formed by the body 1 is almost zero in an unstretched state, so that the body 1 forms a tight coating effect outside the cable core conductor 2, and the anti-interference capability of the control core is further improved.
Specifically, the body 1 is formed by pressing stainless steel wires, and the stainless steel wires can be pressed into a required belt shape by a rolling process, and then directly wrapped outside the prepared cable core conductor 2 or wrapped outside the cable core conductor 2 coated with a necessary structural layer (insulating layer). Therefore, the armor layer is simple in manufacturing process and low in manufacturing cost, and has the good performance, so that the armor layer has high economic benefit.
Specifically, the value of the equidistant gap D is 0.5mm.
As shown in fig. 1, body 1 has the flat cross-section 3 that the width is greater than thickness in its normal direction plane P, so set up the cross sectional shape of armor, be favorable to increasing its wide/thick ratio, thereby body 1 can keep great bending radius relatively when the bending section inboard supports tightly after the bending section shrink, thereby be favorable to restraining the further bending of cable core, simultaneously because the existence of armor, make it avoid the cable core to receive the extrusion of external force, and then play bending resistance, anti extrusion effect better.
As shown in fig. 4, the thickness edge lines of both sides are symmetrical in the flat cross section 3 of the body 1 and are arc edges with the circle center in the flat cross section, so that the abrasion of the edge of the armor layer on the cable core conductor 2 when the cable core conductor 2 slides relatively in the armor layer in the bending and anti-extrusion process of the cable core is avoided, and the long-term use of the cable core is ensured.
And the width marginal line in the flat section of the body is a straight line side.
In this embodiment, the outer cladding of sinle silk armor structural layer has the fibre weaving layer, the fibre weaving layer is aramid fiber weaving layer.
Example 2
The difference from the embodiment 1 is that, in the embodiment, a ratio of the width of the body 1 to the diameter of the cable core conductor 2 ranges from 0.5, further, the width of the body 1 is 3mm, and the diameter of the cable core conductor 2 is 6mm. Generally, the thicker the core of the cable core conductor 2 is, the larger the ratio of the width of the body 1 to the diameter of the cable core conductor 2 is, and the purpose is to ensure the production efficiency.
Example 3
Referring to fig. 5, the difference from embodiment 1 is that, in this embodiment, the thickness margin lines on both sides of the flat section 3 of the body 1 are straight lines.
Further, the width edge line of the flat section 3 of the body 1 is also a straight line.
In this embodiment, the cable core armor layer is wrapped with the fibre weaving layer, the fibre weaving layer is nylon fibre weaving layer.
Example 4
Referring to fig. 6, the difference from embodiment 1 is that, in this embodiment, the middle of the width edge line of the two sides of the flat section 3 of the body 1 protrudes toward the inner side of the cylindrical spiral structure, and the adjacent two sections of bodies 1 are both in an arch-like structure due to the protruding inner side, in the bending process, along with the increase of the bending degree, the flat sections 3 of the adjacent two sections of bodies 1 are gradually abutted along the thickness edge line thereof, and after abutment, along with the continuous increase of the bending degree, the "arch" protrusions of the adjacent two sections of bodies 1 are mutually pressed to generate an elastic supporting force to resist bending deformation, so as to further achieve the bending resistance effect, and compared with the structure in embodiment 1, the adjacent two sections of bodies 1 are less prone to slip due to bending, so as to avoid further reduction of the bending radius.
Example 5
Referring to fig. 7, the difference from embodiment 1 is that, in this embodiment, the middle of the width edge line of both sides of the flat section 3 of the body 1 is convex to the outside of the cylindrical spiral structure, and the bending process is similar to embodiment 3.
Example 6
Referring to fig. 8, the difference from embodiment 1 is that, in this embodiment, the width edge lines on both sides of the flat section 3 of the body 1 are concentric circular arc edges, and the center of the circle is outside the cylindrical spiral structure formed by the body 1, and the bending process is similar to that of embodiment 3.
Example 7
Referring to fig. 9, the difference from embodiment 1 is that in this embodiment, the width edge lines on both sides of the flat section 3 of the body 1 are concentric circular arc edges, and the center of the circle is inside the cylindrical spiral structure formed by the body 1, and the bending process is similar to embodiment 4.
Example 8
The difference from embodiment 1 is that, in this embodiment, the equidistant gap D of the cylindrical spiral structure formed by the body 1 takes a value of 3mm.
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 (11)
1. The utility model provides a control sinle silk of coal-winning machine cable, includes cable core conductor and sinle silk armor layer, sinle silk armor layer is used for direct or indirect cladding cable core conductor, its characterized in that:
the core armor layer includes:
the body is in a belt shape and is wrapped on the outer side of the cable core conductor in a cylindrical spiral structure;
the cylindrical spiral structure formed by the body extends along a first direction where the axis of the cable core conductor is located, and an equidistant gap D exists between the cylindrical spiral structure formed by the body and the cable core conductor in a second direction perpendicular to the first direction;
and a fiber braided layer is coated outside the wire core armor structure layer.
2. The control wire core of a shearer cable according to claim 1, wherein the body is pressed from stainless steel wire.
3. The control wire core of shearer cable according to claim 1, wherein the body has a flat cross-section in its normal plane with a width value greater than a thickness value.
4. The control wire core of a shearer cable according to claim 3, wherein the thickness margin lines at both sides of the flat cross-section of the body are symmetrical and are both arc edges with a circle center in the flat cross-section.
5. The control wire core of a shearer cable according to claim 3, wherein the thickness margin lines on both sides of the flat cross-section of the body are straight edges.
6. The shearer cable control wire core according to any one of claims 3 to 5, wherein the width margin line in the flat cross-section of the body is a straight edge.
7. The shearer cable control wire core according to any one of claims 3 to 5, wherein a width margin line middle portion of both sides in the flat section of the body is convex toward an inner side of the cylindrical spiral structure.
8. The shearer cable control wire core according to any one of claims 3 to 5, wherein a width margin line middle portion of both sides in the flat section of the body is convex to an outside of the cylindrical spiral structure.
9. The control wire core of a shearer cable according to claim 7, wherein the width margin lines on both sides of the flat cross-section of the body are concentric circular arc edges with a center outside the cylindrical spiral structure formed by the body.
10. The control wire core of a shearer cable according to claim 8, wherein the width margin lines on both sides of the flat cross-section of the body are concentric circular arc edges with a center inside the cylindrical spiral structure formed by the body.
11. The control wire core of the shearer cable according to claim 1, wherein the fiber braid is woven from one or more of aramid fibers, nylon fibers, and polyester fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221624040.XU CN218384553U (en) | 2022-06-24 | 2022-06-24 | Control wire core of coal mining machine cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221624040.XU CN218384553U (en) | 2022-06-24 | 2022-06-24 | Control wire core of coal mining machine cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218384553U true CN218384553U (en) | 2023-01-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221624040.XU Active CN218384553U (en) | 2022-06-24 | 2022-06-24 | Control wire core of coal mining machine cable |
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| Country | Link |
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| CN (1) | CN218384553U (en) |
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- 2022-06-24 CN CN202221624040.XU patent/CN218384553U/en active Active
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