Belt-shaped photoelectric composite flexible cable for thin seam coal mining machine

Abstract

The application discloses a thin coal seam coal mining machine with a belt-shaped photoelectric composite soft cable, and belongs to the technical field of coal mining machine components, which comprises a grouping type composite sheath mechanism, the grouping type composite sheath mechanism comprises an outer protective sheath, two rectangular recesses are arranged on the upper side and the lower side of the outer wall of the outer protective sheath, a hollow inner cavity is arranged on the outer protective sheath, a plurality of upper edges and lower edges of the two hollow inner cavities are provided with a plurality of semicircular openings on tearable connecting plates and tearable ropes, a rectangular sealing strip is clamped to each rectangular recess, when the optical fiber and the power line in the cable need to be connected to the interfaces at different positions, the outer protective sheath can be directly separated through the hand tearing mode, the separated outer protective sheath still wraps each group of information transmission mechanisms, no additional cutting tool is needed, the hand tearing process will not damage the optical fiber and the power line inside, the difficulty of cable installation is greatly reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application mainly relates to the technical field of coal mining machine parts, in particular to a thin coal seam coal mining machine with a belt-shaped photoelectric composite soft cable. BACKGROUND

[0002] The coal mining machine is a large and complex system integrating machinery, electricity and hydraulic pressure, and is an important equipment for realizing the mechanization and modernization of coal mine production. Mechanized coal mining can reduce physical labor, improve safety, and achieve the purpose of high yield, high efficiency and low consumption. Coal mining machines are divided into four types: sawing, planing, drilling and milling. With the development of the coal industry, the functions of coal mining machines are becoming more and more diverse, and their own structures and compositions are becoming more and more complex. The belt-shaped photoelectric composite soft cable is a commonly used information transmission tool for coal mining machines.

[0003] In the existing thin coal seam coal mining machine with a belt-shaped photoelectric composite soft cable, such as the technical structure of the application number CN201922475747.3 application document, it includes an outer protective sleeve, four groups of photoelectric composite cables are installed inside the outer protective sleeve, and the photoelectric composite cables are composed of an inner insulation layer, a barium sulfate modified high-density polypropylene inner protective layer, a conductor layer, an optical fiber unit and a water-absorbing expansion rubber filler. The inner insulation layer has a barium sulfate modified high-density polypropylene inner protective layer installed in the middle, and a conductor layer is arranged between the inner insulation layer and the barium sulfate modified high-density polypropylene inner protective layer. The barium sulfate modified high-density polypropylene inner protective layer has an optical fiber unit arranged inside, and the number of optical fiber units is four. Although this cable realizes the transmission of information, in a complex coal mining environment, sometimes it is necessary to connect four groups of photoelectric composite cables to the interfaces at different positions of the coal mining machine. It is necessary to forcibly pull each group of cables and cut the outer protective sleeve. Sometimes mistakes occur during the operation process, damaging the internal optical fiber, greatly increasing the difficulty of cable installation, and reducing the work efficiency. SUMMARY

[0004] The technical solution of the present application provides a significantly different solution from the prior art to solve the technical problems in the background art. Specifically, the present application mainly provides a thin coal seam coal mining machine with a belt-shaped photoelectric composite soft cable to solve the technical problems in the background art.

[0005] The technical solution adopted by the present application to solve the above technical problems is:

[0006] The utility model provides a kind of banded photoelectric composite soft cable for thin coal seam coal cutter, including grouping type composite sheath mechanism, the grouping type composite sheath mechanism includes outer protective sheath, and is three placing holes on outer protective sheath, information transmission mechanism is provided in each placing hole, the upper side and the lower side of outer protective sheath outer wall are provided with two rectangular grooves, the upper side of outer protective sheath outer wall two rectangular grooves are correspondingly with the rectangular groove of lower side, and hollow inner cavity is arranged between, the upper edge and the lower edge of two hollow inner cavities are respectively provided with a plurality of tearable connecting plate pieces in the position connected with rectangular groove, and it is linearly arranged in equal row spacing, the upper side and the lower side of each tearable connecting plate piece are provided with semicircular opening, and tear rope is jointly provided in each semicircular opening, and tear rope head and tail end are connected;

[0007] Each rectangular groove is clamped with rectangular seal, and the lower side of each rectangular seal is provided with a plurality of elastic clamping blocks in equal spacing and symmetry, and each group of symmetric elastic clamping blocks is linearly arranged, and the protrusion of the lower side of each elastic clamping block is clamped in the gap position between every two adjacent tearable connecting plate pieces.

[0008] Preferably, the middle position of the lower side of each rectangular seal is provided with a semicircular reserved opening, and the cross-sectional radius of each semicircular reserved opening is greater than the cross-sectional radius of the tear rope.

[0009] Preferably, an adhesive layer is provided between each rectangular seal and rectangular groove.

[0010] Preferably, both ends of each rectangular seal are provided with force applying grooves.

[0011] Preferably, each information transmission mechanism includes a halogen-free low-smoke flame-retardant sleeve, each halogen-free low-smoke flame-retardant sleeve is located in the placing hole, a plurality of loose tubes, optical fibers and power lines are provided in each halogen-free low-smoke flame-retardant sleeve, and the optical fibers are located in the loose tubes.

[0012] Preferably, a fiber paste is provided in each loose tube, and the fiber paste wraps each optical fiber.

[0013] Preferably, a heat insulation layer is provided on the inner wall of each halogen-free low-smoke flame-retardant sleeve, a metal shielding layer is provided on the inner wall of each heat insulation layer, and a central reinforcing member is provided at the central axis of the metal shielding layer.

[0014] Preferably, a plurality of compression-resistant filling blocks are provided at the voids in each metal shielding layer.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The application realizes that when the optical fiber and power line in the cable need to be connected to different interfaces, the outer protective sleeve can be directly separated by hand tearing, and the separated outer protective sleeve still wraps each group of information transmission mechanism, without the need for additional cutting tools, which is very convenient and efficient, and will not damage the internal optical fiber and power line during hand tearing, greatly reducing the difficulty of cable installation, improving the work efficiency, and the structure is stable, easy to operate, and has high practicality, specific operation as follows, first check whether each part in the whole cable is damaged, after ensuring that there is no damage, the cable can be connected to the coal mining machine according to the actual situation of the coal field, if the cable needs to be connected to the interfaces of different positions of the coal mining machine, the worker needs to hold one end of the rectangular seal with fingertips, then pull out the rectangular groove at one end of the rectangular seal, the degree of separating the outer protective sleeve can be determined according to the actual situation, since the elastic clamping block has a certain deformation capacity, the elastic clamping block can be forcibly pulled out of the hollow inner cavity under the action of external force, and the adhesive strength of the adhesive layer is within the tearing range, after pulling apart the rectangular seal, the tear rope can be seen winding in the semicircular opening on the tearable connecting plate, then the user can strongly pull the tear rope to make the tear rope break the tearable connecting plate, finally, the part of the outer protective sleeve material on one end of the strip-shaped cable needs to be separated, and the one end of the strip-shaped cable can be separated into three groups, which is convenient for separation and connection, and the strip-shaped cable can also be separated into three independent cable structures according to the needs.

[0017] The application will be explained in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the overall schematic diagram of the application;

[0019] Figure 2 It is the grouping composite sleeve mechanism schematic diagram of the application;

[0020] Figure 3 It is the outer protective sleeve front view sectional schematic diagram of the application;

[0021] Figure 4 It is the information transmission mechanism sectional schematic diagram of the application;

[0022] Figure 5 It is the Figure 2 A area enlarged schematic diagram;

[0023] Figure 6 It is the Figure 3 B area enlarged schematic diagram.

[0024] BRIEF DESCRIPTION OF DRAWINGS:1, Grouped composite outer cover mechanism;11, outer protective cover;111, placement hole;12, rectangular groove;121, hollow inner cavity;13, tearable connecting plate;131, semicircular opening;14, tear rope;15, rectangular seal;151, force applying groove;152, semicircular reserved opening;16, elastic clamping block;17, adhesive layer;2, information transmission mechanism;21, halogen-free low smoke retardant cover;22, loose tube;221, optical fiber;222, fiber paste;23, power line;24, heat insulation layer;25, metal shielding layer;26, pressure-resistant filling block;27, central reinforcing member. DETAILED DESCRIPTION

[0025] In order to facilitate the understanding of the present application, the present application will be described in more detail below with reference to the relevant drawings, which show several embodiments of the present application. However, the present application can be implemented in different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present application more thorough and comprehensive.

[0026] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can also be present. The terms "vertical", "horizontal", "left", "right", and the like as used herein are used for explanation purposes only.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The use of the terms "and / or" includes a combination of one or more of the associated listed items.

[0028] Embodiment one, please refer to the accompanying drawings Figures 1-6The utility model discloses a kind of banded photoelectric composite soft cables for thin coal seam coal cutter, including grouping type composite sheath mechanism 1, the grouping type composite sheath mechanism 1 includes outer protective sheath 11, and is three placement holes 111 on outer protective sheath 11, information transmission mechanism 2 is arranged in each placement hole 111, two rectangular grooves 12 are arranged on the upper side and the lower side of the outer wall of outer protective sheath 11, the two rectangular grooves 12 of upper side of outer protective sheath 11 are corresponding with the rectangular groove 12 of lower side, and hollow inner cavity 121 is arranged between, the upper edge and the lower edge of two the hollow inner cavity 121 are respectively arranged with a plurality of tearable connecting plate pieces 13 in the position connected with rectangular groove 12, and linearly arranged in equal row spacing, the upper side and the lower side of each tearable connecting plate piece 13 are arranged with semicircular opening 131, and tearable rope 14 is commonly arranged in each semicircular opening 131, and tearable rope 14 is connected at both ends;Each rectangular groove 12 is clamped with rectangular seal 15, the lower side of each rectangular seal 15 is symmetrically arranged with a plurality of elastic clamping blocks 16 with equal spacing, and each group of symmetric elastic clamping blocks 16 is linearly arranged, the lug of the lower side of each elastic clamping block 16 is clamped in the clearance position between every two adjacent tearable connecting plate pieces 13.

[0029] The above structure realizes that when the optical fiber 221 and power line 23 in cable need to be connected to the interface of different positions, outer protective sheath 11 can be directly separated by hand tearing, and separated outer protective sheath 11 still wraps each group of information transmission mechanism 2, without additional cutting tool, very convenient and fast, without damaging internal optical fiber 221 and power line 23 in hand tearing process, greatly reduce the difficulty of cable installation, improve the work efficiency, and the structure is stable, easy to operate, and has strong practicality;

[0030] The specific operation is as follows: first, check whether each part in the whole cable is damaged, and after ensuring that there is no damage, the cable can be connected to the coal mining machine according to the actual situation of the coal yard. If the cable needs to be connected to the interfaces at different positions of the coal mining machine, the worker needs to hold one end of the rectangular seal 15 with the fingertips, then pull the one end of the rectangular seal 15 out of the rectangular groove 12, and the degree of separation of the outer protective sleeve 11 can be determined according to the actual situation. Because the elastic clamping block 16 has a certain deformation ability, it can forcibly pull out the elastic clamping block 16 from the hollow inner cavity 121 under the action of external force, and the adhesive strength of the adhesive layer 17 is within the range of tearable strength. After the rectangular seal 15 is pulled apart, the tearable rope 14 can be seen winding in the semicircular opening 131 on the tearable connecting plate 13. Then the user can strongly pull the tearable rope 14, so that the tearable rope 14 pulls apart the tearable connecting plate 13. Finally, the small amount of outer protective sleeve 11 material on one end of the strip-shaped cable needs to be pulled apart. The one end of the strip-shaped cable can be divided into three groups, which is convenient for disconnection and connection. According to the needs, the strip-shaped cable can be divided into three independent cable structures.

[0031] Embodiment two, please refer to the attached Figure 1 and 3 It is shown that each information transmission mechanism 2 includes a halogen-free low-smoke flame-retardant sleeve 21, each halogen-free low-smoke flame-retardant sleeve 21 is located in the placement hole 111, a plurality of loose tubes 22, optical fibers 221 and power lines 23 are arranged in each halogen-free low-smoke flame-retardant sleeve 21, and the optical fibers 221 are located in the loose tubes 22. The halogen-free low-smoke flame-retardant sleeve 21 has properties such as anti-creep, high flexibility, strong ductility, low rebound, stable connection and flame retardation. The fiber paste 222 is arranged in each loose tube 22, and each optical fiber 221 is wrapped by the fiber paste 222. Through the fiber paste 222, water and moisture are prevented, and there is a certain mechanical buffering effect, which better guarantees the service life of the optical fibers 221. The inner wall of each halogen-free low-smoke flame-retardant sleeve 21 is provided with a heat insulation layer 24, the inner wall of each heat insulation layer 24 is provided with a metal shielding layer 25, and the central axis of the metal shielding layer 25 is provided with a center reinforcing part 27. Through the center reinforcing part 27, the torsion resistance, tensile resistance and compression resistance of the whole cable are improved. A plurality of compression filling blocks 26 are arranged in the gaps of each metal shielding layer 25. Through the compression filling blocks 26, the positions of the center reinforcing part 27, the loose tube 22 and the power line 23 are positioned, the mutual entanglement is avoided, and the external force has a certain buffering effect, reducing the probability of cracks in the optical fibers 221.

[0032] Embodiment three, please refer to the attached Figure 4 and 5As shown, a semicircular reserved opening 152 is arranged at the middle position of the lower side of each rectangular seal 15, and the cross-sectional radius of each semicircular reserved opening 152 is greater than the cross-sectional radius of the tearing rope 14. Through the semicircular reserved opening 152, the situation that the thickness of the tearing rope 14 hinders the rectangular seal 15 from being clamped into the rectangular groove 12 is avoided when the rectangular seal 15 is completely clamped in the rectangular groove 12. An adhesive layer 17 is arranged between each rectangular seal 15 and the rectangular groove 12. Through the adhesive layer 17, the rectangular seal 15 is better fitted in the rectangular groove 12. Force recesses 151 are arranged at both ends of each rectangular seal 15. Through the force recesses 151, the force points are provided, and the user can easily pinch the rectangular seal 15 with fingertips.

[0033] The application is described above by way of example with reference to the accompanying drawings. It is apparent that the specific implementation of the application is not limited to the above-described manner, and any non-essential improvement or direct application of the concept and technical solution of the application to other occasions is within the protection scope of the application.

Claims

1. A thin seam coal cutter with a strip photoelectric composite flexible cable, comprising a grouped composite sheath mechanism (1), characterized in that The group composite outer cover mechanism (1) comprises an outer protective cover (11) and three placing holes (111) on the outer protective cover (11), each placing hole (111) is provided with an information transmission mechanism (2), the upper side and the lower side of the outer wall of the outer protective cover (11) are provided with two rectangular grooves (12), the two rectangular grooves (12) on the upper side of the outer wall of the outer protective cover (11) correspond to the rectangular grooves (12) on the lower side, and the hollow inner cavities (121) are arranged between the two rectangular grooves (12), the upper edge and the lower edge of the two hollow inner cavities (121) are respectively provided with a plurality of tearable connecting plate pieces (13) at the positions connected with the rectangular grooves (12) and are arranged in an equidistant linear arrangement, the upper side and the lower side of each tearable connecting plate piece (13) are provided with a semicircular opening (131), and a tear rope (14) is arranged in each semicircular opening (131). Each rectangular groove (12) is clamped with a rectangular sealing strip (15), a plurality of elastic clamping blocks (16) are symmetrically arranged at equal intervals on the lower side of each rectangular sealing strip (15), and each group of symmetric elastic clamping blocks (16) are arranged in a linear arrangement, and the protrusions on the lower side of each elastic clamping block (16) are clamped in the gap position between every two adjacent tearable connecting plate pieces (13). The middle position of the lower side of each rectangular sealing strip (15) is provided with a semicircular reserved opening (152), and the cross-sectional radius of each semicircular reserved opening (152) is greater than the cross-sectional radius of the tear rope (14). Each information transmission mechanism (2) comprises a halogen-free low-smoke flame-retardant sleeve (21), each halogen-free low-smoke flame-retardant sleeve (21) is located in the placing hole (111), and a plurality of loose tubes (22), optical fibers (221) and power lines (23) are arranged in each halogen-free low-smoke flame-retardant sleeve (21), and the optical fibers (221) are located in the loose tubes (22).

2. The thin seam coal cutter belt photoelectric composite soft cable according to claim 1, characterized in that, An adhesive layer (17) is arranged between each rectangular sealing strip (15) and the rectangular groove (12).

3. The thin seam coal cutter belt photoelectric composite soft cable according to claim 2, characterized in that, The two ends of each rectangular sealing strip (15) are provided with force applying groove openings (151).

4. The thin seam coal cutter belt photoelectric composite soft cable according to claim 1, characterized in that, A fiber paste (222) is arranged in each loose tube (22), and the fiber paste (222) wraps each optical fiber (221).

5. The thin seam coal cutter belt photoelectric composite soft cable according to claim 1, characterized in that, A heat insulation layer (24) is arranged on the inner wall of each halogen-free low-smoke flame-retardant sleeve (21), a metal shielding layer (25) is arranged on the inner wall of each heat insulation layer (24), and a center reinforcing piece (27) is arranged on the central axis of the metal shielding layer (25).

6. The thin seam coal cutter belt photoelectric composite soft cable according to claim 5, characterized in that, A plurality of compression-resistant filling blocks (26) are arranged in the gaps in each metal shielding layer (25).

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