CN114123088A - MC (monomer casting) underground rubber flexible cable convenient to mount and fix - Google Patents
MC (monomer casting) underground rubber flexible cable convenient to mount and fix Download PDFInfo
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- CN114123088A CN114123088A CN202111417867.3A CN202111417867A CN114123088A CN 114123088 A CN114123088 A CN 114123088A CN 202111417867 A CN202111417867 A CN 202111417867A CN 114123088 A CN114123088 A CN 114123088A
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- fixedly connected
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- fix
- flexible cable
- downhole
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- 238000005266 casting Methods 0.000 title abstract description 4
- 239000000178 monomer Substances 0.000 title abstract description 4
- 238000005192 partition Methods 0.000 claims description 22
- 239000004203 carnauba wax Substances 0.000 claims description 20
- -1 polypropylene Polymers 0.000 claims description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- 239000004020 conductor Substances 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 16
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 14
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- 229910000838 Al alloy Inorganic materials 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 9
- 239000000945 filler Substances 0.000 claims description 9
- 239000004743 Polypropylene Substances 0.000 claims description 8
- 235000021355 Stearic acid Nutrition 0.000 claims description 8
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- JBSLOWBPDRZSMB-FPLPWBNLSA-N dibutyl (z)-but-2-enedioate Chemical compound CCCCOC(=O)\C=C/C(=O)OCCCC JBSLOWBPDRZSMB-FPLPWBNLSA-N 0.000 claims description 8
- 239000012065 filter cake Substances 0.000 claims description 8
- 229920001903 high density polyethylene Polymers 0.000 claims description 8
- 239000004700 high-density polyethylene Substances 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 8
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 8
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 8
- 229920001155 polypropylene Polymers 0.000 claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- 239000000843 powder Substances 0.000 claims description 8
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 8
- 239000008117 stearic acid Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 229920002545 silicone oil Polymers 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- 238000011049 filling Methods 0.000 claims description 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 5
- 150000002910 rare earth metals Chemical class 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
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- 239000008367 deionised water Substances 0.000 claims description 4
- 229910021641 deionized water Inorganic materials 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
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- 238000002844 melting Methods 0.000 claims description 4
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- 238000002390 rotary evaporation Methods 0.000 claims description 4
- 238000000967 suction filtration Methods 0.000 claims description 4
- 238000009210 therapy by ultrasound Methods 0.000 claims description 4
- 238000005406 washing Methods 0.000 claims description 4
- AMTWCFIAVKBGOD-UHFFFAOYSA-N dioxosilane;methoxy-dimethyl-trimethylsilyloxysilane Chemical compound O=[Si]=O.CO[Si](C)(C)O[Si](C)(C)C AMTWCFIAVKBGOD-UHFFFAOYSA-N 0.000 claims description 3
- 229940083037 simethicone Drugs 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 239000003245 coal Substances 0.000 abstract description 10
- 238000005065 mining Methods 0.000 abstract description 10
- 235000013869 carnauba wax Nutrition 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
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- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
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- 238000000926 separation method Methods 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/007—Devices for relieving mechanical stress
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention belongs to the technical field of cables, and particularly relates to an MC (monomer casting) underground rubber flexible cable convenient to mount and fix, which aims at solving the problem that the existing cable joint and a power supply interface of a coal mining machine are not firm. The invention has simple structure, reasonable design and convenient and fast operation, can firmly connect the joint of the cable with the power interface, solves the problem that the cable joint is easy to fall off, ensures the normal work of the coal mining machine, and is suitable for popularization and use.
Description
Technical Field
The invention relates to the technical field of cables, in particular to an MC (monomer casting) underground rubber flexible cable convenient to mount and fix.
Background
A cable is an electrical energy or signal transmission device, typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, each group being insulated from the other and often twisted around a center, the entire outer surface being covered with a highly insulating covering. The cable has the characteristics of internal electrification and external insulation. The MC cable is a rubber jacketed flexible cable of a coal mining machine and is used for power connection of the coal mining machine with rated voltage of 0.38/0.66KV and similar equipment.
Patent publication No. CN203232738U discloses a MC cable comprising a conductor wound with an insulating layer, characterized in that: the conductors are made of rare earth aluminum alloy and are twisted into cable cores, polypropylene adding ropes are added for filling during twisting and cabling, and wrapping layers, isolating layers and armor layers are sequentially arranged outside the cable cores; the armor layer is formed by interlocking and armoring aluminum alloy belts. However, when the existing cable is connected to the coal mining machine, the cable is not firm enough and can fall off due to the fact that people trip by mistake, and therefore the work of the coal mining machine is affected.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an MC downhole rubber flexible cable convenient to assemble and fix.
In order to achieve the purpose, the invention adopts the following technical scheme:
a MC downhole rubber flexible cable convenient to assemble and fix comprises a cable body, wherein a joint at the right end of the cable body is fixedly sleeved with a fixing ring, the right side of the fixing ring is provided with two slots, the fixing ring is provided with two inner cavities, the two slots are positioned between the two inner cavities, a partition plate is fixedly connected in front of the inner walls at the two sides of the inner cavities, one side of the partition plate, which is close to the slots, is fixedly connected with two springs, one end of each spring, which is close to the slot, is fixedly connected with a clamping and connecting rod, one side of each moving plate, which is far away from the spring, is fixedly connected with a limiting block, the two inner walls at the two sides of each inner cavity are respectively provided with a limiting groove, the two limiting blocks are respectively and slidably mounted in the two limiting grooves, the right side of the cable body is provided with a coal mining machine, and the left side of the coal mining machine is fixedly connected with a power supply interface, and power source and the joint looks adaptation of cable body right-hand member, the equal fixedly connected with inserted bar in the left top of power source and bottom, and two inserted bars respectively with two slot looks adaptations, the joint groove has all been seted up to one side that two inserted bars were kept away from each other, and two joint grooves respectively with two joint pole looks adaptations.
Preferably, a rotating rod is rotatably connected between the inner walls of the two sides of the inner cavity, and the partition plate is positioned between the rotating rod and the moving plate.
Preferably, a moving groove is formed in the inner wall of one side, away from the slot, of the inner cavity, and a metal block is slidably mounted in the moving groove.
Preferably, one side of the metal block, which is close to the partition plate, is fixedly connected with a straight rod, the left end of the straight rod extends out of the fixing ring, and the handle is fixedly connected with the straight rod.
Preferably, one side of the moving plate, which is close to the partition plate, is fixedly connected with one end of a rope, and the other end of the rope is fixedly connected to the straight rod through a rotating rod.
Preferably, the cable body comprises a conductor wound with an insulating layer, the conductor is made of rare earth aluminum alloy, the conductor is twisted into a cable core, polypropylene ropes are added for filling during stranding, a winding layer, an isolating layer and an armor layer are sequentially arranged outside the cable core, and the armor layer is formed by interlocking and armoring aluminum alloy belts.
Preferably, the insulating layer is made of the following raw materials in parts by weight:
1-3 parts of simethicone, 10-20 parts of volcanic rock powder, 6-8 parts of dibutyl maleate, 10-20 parts of trimethylolpropane, 10-16 parts of stearic acid, 140 parts of high-density polyethylene, 1-2 parts of p-toluenesulfonic acid, 3-4 parts of sodium polyacrylate, 10-17 parts of polytetrafluoroethylene fiber, 5-9 parts of palm wax and sp-800.7-2 parts of polypropylene.
Preferably, the preparation method of the insulating layer and the material thereof comprises the following steps:
(1) adding the palm wax into absolute ethyl alcohol with the weight being 18-20 times of that of the palm wax, raising the temperature to 55-60 ℃, preserving the heat, stirring for 30-40 minutes, adding trimethylolpropane, stirring to normal temperature, carrying out rotary evaporation, removing the ethanol, adding p-toluenesulfonic acid and stearic acid, feeding into a reaction kettle, reacting for 2-3 hours at the temperature of 110-120 ℃, discharging and cooling to obtain pretreated palm wax;
(2) mixing volcanic rock powder and sodium polyacrylate, adding the mixture into deionized water which is 80-100 times of the weight of the mixture, uniformly stirring, adding pretreated palm wax and sp-80, performing ultrasonic treatment for 20-30 minutes, performing suction filtration, washing a filter cake with water, and drying the filter cake for 1-2 hours at 70-75 ℃ in vacuum to obtain a mixed filler;
(3) mixing the mixed filler with dimethyl silicone oil, polytetrafluoroethylene fibers, dibutyl maleate and high-density polyethylene, uniformly stirring, feeding into an extruder, melting, extruding and cooling to obtain the composite material.
In the invention, when the MC downhole rubber flexible cable convenient to assemble and fix is used, the straight rod can only horizontally move along the moving groove due to the arrangement of the moving groove and the metal block, the handle is pulled leftwards, so that the straight rod fixedly connected with the handle can be driven to horizontally move leftwards, the limiting block can only vertically slide due to the sliding of the limiting block and the limiting block is arranged in the limiting groove, so that the movable plate fixedly connected with the limiting block can only vertically move, and the movable plate can only vertically move towards the direction of the partition plate due to the connection relation among the movable plate, the rope and the straight rod along with the leftward movement of the straight rod, the movable plate can be pulled by the rope and the spring is compressed, so that the clamping rod is fixedly connected on the movable plate, the clamping rod can be driven to vertically move, when the clamping rod moves out of the slots, the joint at the right end of the cable body is inserted into the power interface, so that the two inserting rods fixedly connected at the left side of the power interface are respectively inserted into the two slots, then loosen the handle, because of the elastic restoring force of spring, promote the movable plate and remove towards the direction of keeping away from the baffle to drive the joint pole and remove, make the joint pole insert the joint inslot, thereby lock the inserted bar, make then the joint of cable body right-hand member can't separate with power source. The invention has simple structure, reasonable design and convenient and fast operation, can firmly connect the joint of the cable with the power interface, solves the problem that the cable joint is easy to fall off, ensures the normal work of the coal mining machine, and is suitable for popularization and use;
the insulating layer material added in the invention has good insulating effect on silicone oil, polyethylene, fiber, volcanic rock and the like, and the volcanic rock is used as a main filler, has low cost, is characterized in that the volcanic rock is an ideal natural green, environment-friendly and energy-saving raw material because of more pores, light weight, high strength, heat preservation, heat insulation, sound absorption, fire prevention, acid and alkali resistance, corrosion resistance, no pollution, no radioactivity and the like, and can achieve the purposes of reducing the weight of the product, improving the performance of resistance, fire prevention and the like when being used on the material of the invention. Play better isolated effect, reinforcing fire behavior. The material of the invention has low cost, high safety, good environmental protection and excellent comprehensive performance.
Drawings
FIG. 1 is a schematic structural view of an MC downhole flexible rubber cable convenient to attach and fix according to the present invention;
FIG. 2 is a schematic structural view of a portion A of FIG. 1 of an MC downhole rubber flexible cable convenient to attach and fix according to the present invention;
FIG. 3 is a schematic structural view of a portion B in FIG. 1 of an MC downhole rubber flexible cable convenient to attach and fix according to the present invention;
fig. 4 is a schematic structural view of the cable body of fig. 1 of the MC downhole rubber flexible cable convenient to attach and fix according to the invention.
In the figure: 1 cable body, 2 solid fixed ring, 3 slots, 4 inner chambers, 5 baffles, 6 springs, 7 movable plates, 8 joint poles, 9 stopper, 10 spacing grooves, 11 coal-winning machines, 12 power source, 13 inserted bars, 14 joint grooves, 15 bull sticks, 16 movable grooves, 17 metal blocks, 18 straight poles, 19 handles, 20 ropes, 21 conductors, 22 insulating layers, 23 polypropylene ropes are filled, 24 are around covering, 25 isolation layers, 26 armor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example one
Referring to fig. 1-4, a MC downhole rubber flexible cable convenient for assembly and fixation comprises a cable body 1, a fixed ring 2 is fixedly sleeved on a joint at the right end of the cable body 1, two slots 3 are formed on the right side of the fixed ring 2, two inner cavities 4 are formed on the fixed ring 2, the two slots 3 are positioned between the two inner cavities 4, a partition plate 5 is fixedly connected in front of the inner walls at two sides of the inner cavities 4, two springs 6 are fixedly connected at one side of the partition plate 5 close to the slots 3, one end of each spring 6 close to the slot 3 is fixedly connected with a same movable plate 7, a clamping and connecting rod 8 is fixedly connected at one side of each movable plate 7 far away from the spring 6, one end of each clamping and connecting rod 8 far away from the movable plate 7 extends into the slot 3, stoppers 9 are fixedly connected at two sides of the movable plate 7, limit grooves 10 are formed on the inner walls at two sides of the inner cavities 4, and the two stoppers 9 are respectively slidably mounted in the two limit grooves 10, the right side of cable body 1 is equipped with coal-winning machine 11, the left side fixedly connected with power source 12 of coal-winning machine 11, and the joint looks adaptation of power source 12 and the 1 right-hand member of cable body, the equal fixedly connected with inserted bar 13 in the left top of power source 12 and bottom, and two inserted bars 13 respectively with two slots 3 looks adaptations, two inserted bars 13 can insert respectively in two slots 3, joint groove 14 has all been seted up to one side that two inserted bars 13 kept away from each other, and two joint grooves 14 respectively with two joint pole 8 looks adaptations, two joint poles 8 can insert respectively in two joint grooves 14.
In the invention, a rotating rod 15 is rotatably connected between the inner walls of the two sides of the inner cavity 4, and the partition plate 5 is positioned between the rotating rod 15 and the moving plate 7.
In the invention, a moving groove 16 is formed in the inner wall of one side of the inner cavity 4, which is far away from the slot 3, a metal block 17 is arranged in the moving groove 16 in a sliding manner, and the metal block 17 can only horizontally slide in the moving groove 16.
According to the invention, a straight rod 18 is fixedly connected to one side, close to the partition plate 5, of the metal block 17, the metal block 17 is arranged so that the straight rod 18 can only move horizontally, the left end of the straight rod 18 extends out of the fixing ring 2, and the handle 19 is fixedly connected to the metal block, so that the straight rod 18 can be driven to move leftwards by pulling the handle 19 leftwards.
In the invention, one side of the moving plate 7 close to the partition plate 5 is fixedly connected with one end of a rope 20, the other end of the rope 20 is fixedly connected to a straight rod 18 through a rotating rod 15, and the straight rod 18 moves leftwards and can pull the moving plate 7 to vertically move through the rope 20.
According to the invention, the cable body 1 comprises a conductor 21 wound with an insulating layer 22, the conductor 21 is made of rare earth aluminum alloy, the conductor 21 is twisted into a cable core, polypropylene rope filling 23 is added during twisting and cabling, a wrapping layer 24, an isolating layer 25 and an armor layer 26 are sequentially arranged outside the cable core, and the armor layer 26 is formed by interlocking and armoring aluminum alloy belts.
The insulating layer 22 is made of the following raw materials in parts by weight:
dimethyl silicone oil 3, volcanic rock powder 20, dibutyl maleate 8, trimethylolpropane 20, stearic acid 16, high-density polyethylene 170, p-methyl benzenesulfonic acid 2, sodium polyacrylate 4, polytetrafluoroethylene fiber 17, palm wax 9 and sp-802.
Preferably, the preparation method of the insulating layer and the material thereof comprises the following steps:
(1) adding carnauba wax into absolute ethyl alcohol with the weight 20 times of that of the carnauba wax, raising the temperature to 60 ℃, keeping the temperature and stirring for 40 minutes, adding trimethylolpropane, stirring to normal temperature, carrying out rotary evaporation, removing the ethanol, adding p-toluenesulfonic acid and stearic acid, feeding into a reaction kettle, reacting for 3 hours at 120 ℃, discharging and cooling to obtain pretreated carnauba wax;
(2) mixing volcanic rock powder and sodium polyacrylate, adding the mixture into deionized water with the weight 100 times that of the mixture, uniformly stirring, adding pretreated palm wax and sp-80, carrying out ultrasonic treatment for 30 minutes, carrying out suction filtration, washing a filter cake, and drying the filter cake for 2 hours at the temperature of 75 ℃ in vacuum to obtain a mixed filler;
(3) mixing the mixed filler with dimethyl silicone oil, polytetrafluoroethylene fibers, dibutyl maleate and high-density polyethylene, uniformly stirring, feeding into an extruder, melting, extruding and cooling to obtain the composite material.
Example two
Referring to fig. 1-4, a MC downhole rubber flexible cable convenient for mounting and fixing comprises a cable body 1, a fixing ring 2 is fixedly sleeved on a joint at the right end of the cable body 1, two slots 3 are chiseled on the right side of the fixing ring 2, two inner cavities 4 are chiseled on the fixing ring 2, the two slots 3 are positioned between the two inner cavities 4, a partition plate 5 is welded in front of the inner walls at two sides of the inner cavities 4, two springs 6 are welded at one side of the partition plate 5 close to the slots 3, a same movable plate 7 is welded at one end of the two springs 6 close to the slots 3, a clamping rod 8 is welded at one side of the movable plate 7 far away from the springs 6, one end of the clamping rod 8 far away from the movable plate 7 extends into the slots 3, stoppers 9 are welded at two sides of the movable plate 7, stopper grooves 10 are chiseled on the inner walls at two sides of the inner cavities 4, and the two stoppers 9 are respectively slidably mounted in the two stopper grooves 10, the right side of cable body 1 is equipped with coal-winning machine 11, and the left side welding of coal-winning machine 11 has power source 12, and the joint looks adaptation of power source 12 and the 1 right-hand member of cable body, and inserted bar 13 has all been welded to the left top of power source 12 and bottom, and two inserted bar 13 respectively with two slots 3 looks adaptations, and the joint groove 14 has all been chisel to one side that two inserted bar 13 kept away from each other, and two joint grooves 14 respectively with two joint pole 8 looks adaptations.
In the invention, a rotating rod 15 is rotatably connected between the inner walls of the two sides of the inner cavity 4, and the partition plate 5 is positioned between the rotating rod 15 and the moving plate 7.
In the invention, a moving groove 16 is chiseled on the inner wall of one side of the inner cavity 4 far away from the slot 3, and a metal block 17 is arranged in the moving groove 16 in a sliding way.
In the invention, a straight rod 18 is welded on one side of the metal block 17 close to the partition plate 5, the left end of the straight rod 18 extends out of the fixing ring 2, and a handle 19 is welded on the left end of the straight rod.
In the invention, one end of a rope 20 is welded on one side of the moving plate 7 close to the partition plate 5, and the other end of the rope 20 is welded on the straight rod 18 through the rotating rod 15.
According to the invention, the cable body 1 comprises a conductor 21 wound with an insulating layer 22, the conductor 21 is made of rare earth aluminum alloy, the conductor 21 is twisted into a cable core, polypropylene rope filling 23 is added during twisting and cabling, a wrapping layer 24, an isolating layer 25 and an armor layer 26 are sequentially arranged outside the cable core, and the armor layer 26 is formed by interlocking and armoring aluminum alloy belts.
The insulating layer is made of the following raw materials in parts by weight:
1 part of simethicone, 10-20 parts of volcanic rock powder, 6 parts of dibutyl maleate, 10 parts of trimethylolpropane, 10 parts of stearic acid, 140 parts of high-density polyethylene, 1 part of p-toluenesulfonic acid, 3 parts of sodium polyacrylate, 10 parts of polytetrafluoroethylene fiber, 5 parts of palm wax and sp-800.7.
Preferably, the preparation method of the insulating layer and the material thereof comprises the following steps:
(1) adding carnauba wax into absolute ethyl alcohol with the weight being 18 times of that of the carnauba wax, raising the temperature to 55 ℃, keeping the temperature and stirring for 30 minutes, adding trimethylolpropane, stirring to normal temperature, carrying out rotary evaporation, removing the ethanol, adding p-toluenesulfonic acid and stearic acid, feeding into a reaction kettle, reacting for 2 hours at 110 ℃, discharging and cooling to obtain pretreated carnauba wax;
(2) mixing volcanic rock powder and sodium polyacrylate, adding the mixture into deionized water which is 80-times of the weight of the mixture, uniformly stirring, adding pretreated palm wax and sp-80, carrying out ultrasonic treatment for 20 minutes, carrying out suction filtration, washing a filter cake, and drying the filter cake for 1 hour at 70 ℃ in vacuum to obtain a mixed filler;
(3) mixing the mixed filler with dimethyl silicone oil, polytetrafluoroethylene fibers, dibutyl maleate and high-density polyethylene, uniformly stirring, feeding into an extruder, melting, extruding and cooling to obtain the composite material.
In the invention, when in use, the straight rod 19 can only horizontally move along the moving groove 16 due to the arrangement of the moving groove 16 and the metal block 17, the handle 19 is pulled leftwards, so that the straight rod 18 fixedly connected with the handle 19 can be driven to horizontally move leftwards, the limiting block 9 can only vertically slide due to the sliding installation of the limiting block 9 in the limiting groove 10, so that the moving plate 7 fixedly connected with the limiting block 9 can only vertically move, and due to the connection relationship among the moving plate 7, the rope 20 and the straight rod 18, the moving plate 7 can be pulled leftwards along with the straight rod 18, so that the moving plate 7 can vertically move towards the direction of the partition plate 5 by pulling the rope 20, the spring 6 is compressed, the clamping rod 8 is fixedly connected on the moving plate 7, so that the clamping rod 8 can be driven to vertically move, when the clamping rod 8 moves out of the slot 3, the joint at the right end of the cable body 1 is inserted into the power interface 12, make two inserted bars 13 of power source 12 left side fixed connection insert two slots 3 respectively in, then loosen handle 19, because of the elastic restoring force of spring 6, promote movable plate 7 and remove towards the direction of keeping away from baffle 5 to drive joint pole 8 and remove, make joint pole 8 insert in joint groove 14, thereby lock inserted bar 13, make then the joint of cable body 1 right-hand member unable and power source separation. The invention has simple structure, reasonable design and convenient and fast operation, can firmly connect the joint of the cable with the power interface, solves the problem that the cable joint is easy to fall off, ensures the normal work of the coal mining machine, and is suitable for popularization and use.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A MC downhole rubber flexible cable convenient to assemble and fix comprises a cable body (1) and is characterized in that a fixing ring (2) is fixedly sleeved on a joint at the right end of the cable body (1), two slots (3) are formed in the right side of the fixing ring (2), two inner cavities (4) are formed in the fixing ring (2), the two slots (3) are located between the two inner cavities (4), a partition plate (5) is fixedly connected in front of the inner walls of the two sides of each inner cavity (4), two springs (6) are fixedly connected on one side, close to the slots (3), of each partition plate (5), one end, close to the slots (3) of each spring (6) is fixedly connected with a same movable plate (7), one side, far away from the springs (6), of each movable plate (7) is fixedly connected with a clamping rod (8), and one end, far away from the movable plates (7), of each clamping rod (8) extends into the slots (3), the equal fixedly connected with stopper (9) in both sides of movable plate (7), spacing groove (10) have all been seted up to the both sides inner wall of inner chamber (4), and two stopper (9) slidable mounting respectively are in two spacing groove (10), the right side of cable body (1) is equipped with coal-winning machine (11), left side fixedly connected with power source (12) of coal-winning machine (11), and power source (12) and the joint looks adaptation of cable body (1) right-hand member, the equal fixedly connected with inserted bar (13) in left top and bottom of power source (12), and two inserted bar (13) respectively with two slot (3) looks adaptations, joint groove (14) have all been seted up to one side that two inserted bar (13) kept away from each other, and two joint groove (14) respectively with two joint pole (8) looks adaptations.
2. The MC downhole rubber flexible cable convenient to attach and fix as claimed in claim 1, wherein a rotating rod (15) is rotatably connected between the inner walls of the two sides of the inner cavity (4), and the partition plate (5) is positioned between the rotating rod (15) and the moving plate (7).
3. The MC downhole rubber flexible cable convenient to attach and fix as claimed in claim 1, wherein a moving groove (16) is formed in the inner wall of one side of the inner cavity (4) far away from the slot (3), and a metal block (17) is slidably mounted in the moving groove (16).
4. The MC downhole rubber flexible cable convenient to attach and fix as claimed in claim 3, wherein a straight rod (18) is fixedly connected to one side of the metal block (17) close to the partition plate (5), the left end of the straight rod (18) extends out of the fixing ring (2), and a handle (19) is fixedly connected to the left end of the straight rod.
5. The MC downhole rubber flexible cable convenient to attach and fix as claimed in claim 1, wherein one side of the moving plate (7) close to the partition plate (5) is fixedly connected with one end of a rope (20), and the other end of the rope (20) is fixedly connected to the straight rod (18) through a rotating rod (15).
6. The MC downhole rubber flexible cable convenient to attach and fix as claimed in claim 1, wherein the cable body (1) comprises a conductor (21) wound with an insulating layer (22), the conductor (21) is made of rare earth aluminum alloy, the conductor (21) is twisted into a cable core, polypropylene rope filling (23) is added during twisting and cabling, a wrapping layer (24), an isolating layer (25) and an armor layer (26) are sequentially arranged outside the cable core, and the armor layer (26) is formed by interlocking and armoring of aluminum alloy belts.
7. The MC downhole rubber flexible cable convenient to attach and fix as claimed in claim 6, wherein the insulating layer (22) is made of the following raw materials in parts by weight:
1-3 parts of simethicone, 10-20 parts of volcanic rock powder, 6-8 parts of dibutyl maleate, 10-20 parts of trimethylolpropane, 10-16 parts of stearic acid, 140 parts of high-density polyethylene, 1-2 parts of p-toluenesulfonic acid, 3-4 parts of sodium polyacrylate, 10-17 parts of polytetrafluoroethylene fiber, 5-9 parts of palm wax and sp-800.7-2 parts of polypropylene.
8. The MC downhole rubber flexible cable convenient for mounting and fixing as claimed in claim 7, wherein the insulation layer (22) is made of a material prepared by a method comprising the following steps:
(1) adding the palm wax into absolute ethyl alcohol with the weight being 18-20 times of that of the palm wax, raising the temperature to 55-60 ℃, preserving the heat, stirring for 30-40 minutes, adding trimethylolpropane, stirring to normal temperature, carrying out rotary evaporation, removing the ethanol, adding p-toluenesulfonic acid and stearic acid, feeding into a reaction kettle, reacting for 2-3 hours at the temperature of 110-120 ℃, discharging and cooling to obtain pretreated palm wax;
(2) mixing volcanic rock powder and sodium polyacrylate, adding the mixture into deionized water which is 80-100 times of the weight of the mixture, uniformly stirring, adding pretreated palm wax and sp-80, performing ultrasonic treatment for 20-30 minutes, performing suction filtration, washing a filter cake with water, and drying the filter cake for 1-2 hours at 70-75 ℃ in vacuum to obtain a mixed filler;
(3) mixing the mixed filler with dimethyl silicone oil, polytetrafluoroethylene fibers, dibutyl maleate and high-density polyethylene, uniformly stirring, feeding into an extruder, melting, extruding and cooling to obtain the composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111417867.3A CN114123088A (en) | 2021-11-26 | 2021-11-26 | MC (monomer casting) underground rubber flexible cable convenient to mount and fix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111417867.3A CN114123088A (en) | 2021-11-26 | 2021-11-26 | MC (monomer casting) underground rubber flexible cable convenient to mount and fix |
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| Publication Number | Publication Date |
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| CN114123088A true CN114123088A (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111417867.3A Pending CN114123088A (en) | 2021-11-26 | 2021-11-26 | MC (monomer casting) underground rubber flexible cable convenient to mount and fix |
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| CN (1) | CN114123088A (en) |
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| CN203232738U (en) * | 2013-01-09 | 2013-10-09 | 安徽太平洋电缆集团有限公司 | MC cable |
| CN103985448A (en) * | 2014-04-11 | 2014-08-13 | 安徽省赛华电缆有限公司 | Control cable of flat structure |
| CN213520506U (en) * | 2020-12-09 | 2021-06-22 | 安徽徽宁电器仪表集团有限公司 | Resistance to compression type photoelectricity composite cable |
| CN213959731U (en) * | 2020-12-09 | 2021-08-13 | 安徽徽宁电器仪表集团有限公司 | Cold-resistant-40 ℃ flame-retardant power cable convenient to connect |
| CN214849326U (en) * | 2021-07-06 | 2021-11-23 | 安徽徽宁电器仪表集团有限公司 | Durable computer cable |
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2021
- 2021-11-26 CN CN202111417867.3A patent/CN114123088A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203232738U (en) * | 2013-01-09 | 2013-10-09 | 安徽太平洋电缆集团有限公司 | MC cable |
| CN103985448A (en) * | 2014-04-11 | 2014-08-13 | 安徽省赛华电缆有限公司 | Control cable of flat structure |
| CN213520506U (en) * | 2020-12-09 | 2021-06-22 | 安徽徽宁电器仪表集团有限公司 | Resistance to compression type photoelectricity composite cable |
| CN213959731U (en) * | 2020-12-09 | 2021-08-13 | 安徽徽宁电器仪表集团有限公司 | Cold-resistant-40 ℃ flame-retardant power cable convenient to connect |
| CN214849326U (en) * | 2021-07-06 | 2021-11-23 | 安徽徽宁电器仪表集团有限公司 | Durable computer cable |
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