CN218569815U

CN218569815U - Mining cable protection device

Info

Publication number: CN218569815U
Application number: CN202221580968.2U
Authority: CN
Inventors: 陈虎; 董家成; 董文军
Original assignee: Nanyang Huayi Electric Power Equipment Co ltd
Current assignee: Nanyang Huayi Electric Power Equipment Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2023-03-03
Anticipated expiration: 2032-06-23

Abstract

The utility model provides a mining cable protection device, set up the core in the casing including casing and activity, core week side is provided with a plurality of first wire casings that are used for corresponding with the cable strand, and the wiring section of cable is provided with the linkage segment that only gets rid of the top layer inoxidizing coating, and the strand setting is at the tail end of linkage segment, and the casing both ends are provided with seal structure with the hookup location of cable, seal structure includes the first sealing member and the second sealing member of tube-shape, and first sealing member cup joints on the linkage segment of cable, and housing end portion extends has the sealing connection portion of tube-shape, and sealing connection portion cup joints outside first sealing member, and is inboard towards casing one end, and the laminating cable in the second sealing member outside cup joints, and the inboard screw thread of second sealing member cup joints on sealing connection portion, and the protection device that this scheme provided has strengthened the atress intensity of cable junction, avoids the cable junction to receive the pulling and improves the water-proof effects of junction simultaneously.

Description

Mining cable protection device

Technical Field

The utility model relates to a mining cable protection device.

Background

The cable is usually formed by hinging multiple strands of wires, the multiple strands of wires are mutually insulated, the cable is required to be used in mining operation, the cable used by mining equipment needs to be connected for many times due to a deeper mine hole, multiple groups of wires in the cable need to be separated out for independent connection when the cable is connected, the fixing strength of the cable connection part is weaker, the cable can be moved when the cable is wired and the mining equipment is used in the later period, and the cable can be further pulled and broken when moved; in addition, the general comparatively dark and humid of ore deposit way internal environment, cable junction still has the poor problem of water-proof effects, combines above problem, need set up protection device in the junction of mining cable for reduce the water-proof effects that pulls and improve cable junction simultaneously that cable junction received.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mining cable protection device for reduce the waterproof effect that cable junction received and drag improvement cable junction simultaneously.

The technical scheme of the utility model is realized like this: the utility model provides a mining cable protection device, includes that casing and activity set up the core in the casing, core week side is provided with a plurality of first wire casings that are used for corresponding with the cable strand, and the wiring section of cable is provided with the linkage segment of only getting rid of the top layer inoxidizing coating, and the strand setting is at the tail end of linkage segment, and the hookup location of casing both ends and cable is provided with seal structure, seal structure includes the first sealing member and the second sealing member of tube-shape, and first sealing member cup joints on the linkage segment of cable, and the casing tip extends has the sealing connection portion of tube-shape, and sealing connection portion cup joints outside first sealing member, and is inboard towards casing one end, and the laminating cable in the second sealing member outside cup joints, and the inboard screw thread of second sealing member cup joints on sealing connection portion.

Compare in prior art this scheme's beneficial effect does:

(1) The protection effect to cable connection department has been improved, need connect each strand one-to-one during cable connection, and the strand after the connection corresponds places each first line inslot on the core to further set up the casing and cup joint in the core outside, realize avoiding each strand to take place the winding simultaneously to the isolation of strand with external environment.

(2) Improve the water-proof effects of cable junction department, the direct atress of strand junction when avoiding the cable pulling simultaneously, the cable need get rid of the top layer inoxidizing coating earlier when connecting, then be separating each strand, the diameter of cable junction end is less than the cable diameter, first sealing member cup joints on the linkage segment, the sealing connection portion of casing cup joints on the linkage segment, second sealing member and sealing connection portion threaded connection, fixed strength between casing and the cable and the sealing strength of being connected have been improved, the water-proof effects of casing and cable junction has been improved, simultaneously when the pulling cable because of casing and cable connection closely, the difficult relative first of cable, the second sealing member slides, consequently, can reduce the direct atress of each strand junction.

On the basis of the scheme, the shell is further improved as follows, the shell comprises two hinged shell subsections, and the two shell subsections are semi-cylindrical parts with the same structure.

Compare in prior art this scheme's beneficial effect does: make things convenient for the linkage work of protection device in cable junction, the core makes up relatively with the strand and places in two casing branches, fixes two casing branches again, and easy operation is the maintenance work in the later stage of being convenient for simultaneously.

On the basis of the scheme, the sealing device is further improved in the following way, a plurality of annular grooves coaxial with the first sealing element are formed in the outer surface of the first sealing element, and annular convex ridges are formed in the inner surface of the sealing connecting part corresponding to the annular grooves.

Compare in prior art this scheme's beneficial effect does: the waterproof effect and the joint strength of casing and cable junction have further been strengthened, have improved the protecting effect to cable junction, sealing connection portion passes through annular groove and annular bead with first sealing member and is connected, have prolonged the stagnant water route between sealing connection portion and the first sealing member on the one hand, and on the other hand has strengthened the joint strength of sealing connection portion and first sealing member, slippage between first sealing member and the sealing connection portion when avoiding the pulling cable.

On the basis of the scheme, the sealing connection structure is further improved in the following manner that the inner end of the sealing connection part is attached to the inner end of the first sealing element and extends to be attached to the cable connection section in the axial direction.

On the basis of the scheme, the length of the sealing connecting part is larger than that of the first sealing part, and the second sealing part is simultaneously attached to the outer end parts of the first sealing part and the sealing connecting part.

Compare in prior art this scheme's beneficial effect does: sealing connection portion contradicts the laminating with cable junction section surface, has improved the joint strength between protection device and the cable, and sealing connection portion, first sealing member and the connected mode between the second sealing member have effectively prolonged the stagnant water path length of its junction, have strengthened water-proof effects.

On the basis of the scheme, the inner side of the shell subsection is provided with an annular second wire groove corresponding to each first wire groove, and the first wire groove and the second wire groove correspondingly form accommodating spaces corresponding to each cable strand.

Compare in prior art this scheme's beneficial effect does: the stability of relative position between core and the casing is improved, avoids the separated time end of each strand to take place to rotate.

On the basis of the scheme, the supporting structure is further improved, the supporting structure is arranged in the core body and comprises a supporting rod arranged at the axis of the core body and supporting plates circumferentially fixed on the periphery of the supporting rod, and the first linear groove is arranged between any two adjacent supporting plates.

On the basis of the scheme, the supporting rod and the supporting plate are made of hard materials, and the periphery of the first wire groove is filled with flexible materials.

Compare in prior art this scheme's beneficial effect does: the protection effect to each strand has been strengthened, and bearing structure avoids the core to take place to warp, and the position of strand can be injectd to a certain extent when first trough week side flexible material's setting provides the protection to the strand.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a front view of the present invention in a longitudinal sectional view;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a cross-sectional view taken in the direction B-B1 of FIG. 1;

FIG. 4 is a schematic view of the two housing sections of FIG. 3 in an open configuration;

wherein: 1-cable, 11-connecting section, 12-strand, 2-core, 21-first wire groove, 22-support rod, 23-support plate, 3-shell, 31-shell subsection, 32-second wire groove, 33-sealing connection part, 4-first sealing element and 5-second sealing element.

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. It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, unless otherwise explicitly stated or limited in the description of the present invention, the terms "mounted," "connected" and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The utility model relates to a mining cable protection device's embodiment, as shown in FIGS. 1-4:

the utility model provides a mining cable protection device, including casing 3 and the activity core 2 that sets up in casing 3, casing 3 includes two articulated casing subsections 31, two casing subsections 31 are the semicircle tube-shape that the structure is the same, two casing 3 one sides are articulated, and pass through the fix with screw with the articulated side relative side after the lock, core 2 week side is provided with a plurality of first wire casing 21 that are used for corresponding with cable strand 12, the inboard first wire casing 21 that corresponds of casing subsection 31 is equipped with annular second wire casing 32, first wire casing 21 corresponds with second wire casing 32 and forms the accommodation space that corresponds with each cable strand 12, the strand 12 of connecting places each first wire casing 21 on core 2 one by one, again fix casing 3 lock outside core 2, first wire casing 21 on core 2 corresponds with second wire casing 32 on the casing 3, be provided with the bearing structure in the core 2, the bearing structure is including setting up bracing piece 22 and the backup pad 23 of circumference fixing at bracing piece 22 in core 2 axle center, first wire casing 21 sets up between arbitrary two adjacent backup pads 23, bracing piece 22 and backup pad 23 are made by insulating material week side, second wire casing 21 and second wire casing 32 are filled with the material week side.

The sealing structure is arranged at the connecting position of the two ends of the shell 3 and the cable 1, the connecting end of the cable 1 is provided with a connecting section 11 only removing a surface protective layer, a folded yarn 12 of the cable 1 is arranged at the tail end of the connecting section 11 of the cable, the sealing structure comprises a cylindrical first sealing element 4 and a cylindrical second sealing element 5, the first sealing element 4 is sleeved on the connecting section 11 of the cable, the end part of the shell 3 extends to form a cylindrical sealing connecting part 33, the sealing connecting part 33 is sleeved outside the first sealing element 4 to be inner side towards one end of the shell 3, the outer side of the second sealing element 5 is attached to the cable 1 and sleeved, and the inner side of the second sealing element 5 is sleeved on the sealing connecting part 33 through threads.

In order to further improve the connection strength between the sealing connection part 33 and the first sealing part 4, a plurality of annular grooves coaxial with the first sealing part 4 are formed in the outer surface of the first sealing part 4, annular convex edges are formed in the inner surface of the sealing connection part 33 corresponding to the annular grooves, the inner end of the sealing connection part 33 is attached to the inner end of the first sealing part 4 and extends to be attached to the connecting section 11 of the cable 1 in the axial direction, in order to further improve the sealing and waterproof effects of the sealing structure, the length of the sealing connection part 33 is larger than that of the first sealing part 4, and the second sealing part 5 is attached to the outer end parts of the first sealing part 4 and the sealing connection part 33.

The utility model discloses a concrete operation does:

the method comprises the steps of firstly removing a protective layer on a surface layer near the connection position of a cable 1 to form a connection section 11, keeping the protective layer to remove a tangent plane parallel and level, sleeving a first sealing element 4 on the connection section 11, sleeving a second sealing element 5 on the cable 1, fitting the outer end of the first sealing element 4 with the tangent plane of the protective layer, continuously disassembling the tail part of the connection section 11, disassembling and respectively connecting and fixing strands 12 one by one, placing the connected strands 12 in a core body 2, respectively buckling and sleeving two shell bodies 3 outside the core body 2 and keeping the positions of a first wire groove 21 and a second wire groove 32 corresponding to each other, buckling and sleeving a shell body subsection 31, simultaneously buckling and fixing a sealing connection part 33 on the first sealing element 4, rotating the second sealing element 5 and fixing the sealing connection part 33 in a threaded manner, and the mining cable protection device provided by the scheme enhances the protection effect on the cable connection position, avoids the cable connection position from being directly dragged and broken during cable connection and improves the sealing and waterproof effects on the cable connection position.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a mining cable protection device, its characterized in that sets up the core in the casing including casing and activity, core week side is provided with a plurality of first wire casings that are used for corresponding with the cable strand, and the wiring section of cable is provided with the linkage segment that only gets rid of the top layer inoxidizing coating, and the strand setting is at the tail end of linkage segment, and the casing both ends are provided with seal structure with the hookup location of cable, seal structure includes the first sealing member and the second sealing member of tube-shape, and first sealing member cup joints on the linkage segment of cable, and the casing tip extends has the sealing connection portion of tube-shape, and sealing connection portion cup joints outside first sealing member to be inboard towards casing one end, and the laminating cable in the second sealing member outside cup joints, and the inboard screw thread of second sealing member cup joints on sealing connection portion.

2. A mine cable protection device according to claim 1, wherein the housing comprises two hinged housing sections, both housing sections being semi-cylindrical of identical construction.

3. A mine cable protection device according to claim 2, wherein the outer surface of the first sealing member is provided with a plurality of annular grooves coaxial with the first sealing member, and the inner surface of the sealing connection portion is provided with an annular ridge corresponding to each annular groove.

4. A mine cable protection device as claimed in claim 3, wherein the inner end of the sealing connection portion abuts the inner end of the first seal member and extends axially thereof to abut a surface of the connection section.

5. A mine cable protection device according to claim 4, wherein the length of the sealing connection portion is greater than the length of the first sealing member, and the second sealing member simultaneously abuts the outer end portions of the first sealing member and the sealing connection portion.

6. A mine cable protection device as claimed in any one of claims 2 to 5, wherein an annular second slot is provided in the housing section corresponding to each first slot, the first and second slots corresponding to each other to form a receiving space corresponding to each cable strand.

7. The mining cable protection device of claim 6, wherein a support structure is arranged in the core body, the support structure comprises a support rod arranged at the axis center of the core body and a support plate circumferentially fixed on the periphery of the support rod, and the first wire groove is arranged between any two adjacent support plates.

8. A mine cable protection device according to claim 7, wherein the support rod and the support plate are made of hard material, and the first wire groove is circumferentially filled with flexible material.