CN112366565B - Flame-proof type high-voltage distribution device for mine - Google Patents
Flame-proof type high-voltage distribution device for mine Download PDFInfo
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- CN112366565B CN112366565B CN202011302405.2A CN202011302405A CN112366565B CN 112366565 B CN112366565 B CN 112366565B CN 202011302405 A CN202011302405 A CN 202011302405A CN 112366565 B CN112366565 B CN 112366565B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/54—Anti-seismic devices or installations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The invention discloses an explosion-proof high-voltage power distribution device for mines, which relates to the technical field of power distribution equipment and comprises a body cavity, a wiring cavity, a connecting plate, a connecting frame and a sealing ring. The sealing ring can realize multiple sealing treatment on the device, can effectively realize the sealing performance of the device, is not easy to leak, can perform multiple inflatable buffer protection inside the sealing ring, can effectively ensure the buffer protection effect of the sealing ring, can effectively strengthen the explosion-proof effect of the high-voltage power distribution device, has better sealing stability, ensures the sealing effect, ensures the explosion-proof effect, can improve the explosion-proof treatment effect of the device while strengthening the sealing performance of the device, can realize the quick assembly connection process of the connecting plate by directly pressing the bolt, is convenient and quick to operate, is not fixed by simple threads, but is in a fixed connection mode with elastic buffer, can perform elastic buffer when the device performs explosion-proof, reduces stress and improves the explosion-proof effect.
Description
Technical Field
The invention relates to the technical field of power distribution equipment, in particular to an explosion-proof high-voltage power distribution device for mines.
Background
Mine refers to an independent production and operation unit of mined ore with a certain mining boundary. Mines include coal mines, metal ores, non-metal ores, building material ores, chemical ores, and the like. Flameproof refers to an electrical equipment enclosure in which the instrument housing can withstand an internal explosion of a flammable mixture that has entered the interior of the enclosure without damage and without ignition of the external explosive environment created by one or more gases or vapors through any bonding surfaces and holes in the enclosure. The flameproof high-voltage distribution device is mainly used for underground coal mines with dangerous gases (methane mixture), is used for controlling, protecting and measuring a three-phase power supply system which is used for directly starting a high-voltage motor, is 50Hz in alternating current, 10KV/6KV in rated voltage and 630A neutral and is not grounded.
The existing mine explosion-proof high-voltage power distribution device is poor in sealing performance, easy to leak, and the explosion-proof effect is affected.
Disclosure of Invention
The invention aims to provide an explosion-proof high-voltage power distribution device for mines, which aims to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a mine is with flame proof formula high voltage distribution device, includes the body chamber and wiring chamber, the body chamber with the wiring chamber outer wall all is equipped with a plurality of connecting plate, adjacent two the connecting plate passes through link fixed connection, adjacent two be equipped with the sealing washer between the connecting plate.
Further, the sealing ring comprises a first flexible strip, two second flexible strips are symmetrically arranged on two sides of the outer wall of the first flexible strip, a plurality of first sealing balls are arranged on one side, away from the first flexible strip, of the outer wall of the second flexible strip, a third flexible strip is symmetrically arranged on the top of the outer wall of the first flexible strip, a plurality of second sealing balls are arranged on one side, away from the first flexible strip, of the outer wall of the second flexible strip, the second flexible strip is identical to the third flexible strip in structure, the first sealing balls are identical to the second sealing balls in structure, the first sealing balls and the second sealing balls are arranged in a staggered mode, a first cavity and a second cavity are arranged in the first flexible strip, the first cavity is arranged on the outer side of the second cavity, a plurality of first flexible supporting strips are arranged between the first cavity and the second cavity, a second flexible supporting strip is arranged on the center of the inner wall of the second cavity, a plurality of third flexible supporting strips are arranged on the outer side of the first flexible strip, a plurality of fifth flexible supporting strips are arranged on the inner side of the second flexible strip, a plurality of fifth flexible supporting strips are arranged on the inner side of the fifth flexible strips are arranged on the fifth flexible strips, the inner side of the fifth flexible strips are arranged on the fifth flexible cavities, and the inner flexible strips are arranged on the fifth flexible supporting strips are arranged on the fifth flexible cavities, and the fifth flexible supporting strips are arranged inside the fifth flexible supporting strips are arranged inside the fifth flexible cavities are arranged inside the fifth flexible cavities are arranged, the inside seventh cavity that is equipped with of seventh flexible support strip, first sealed ball inner wall center be equipped with first flexible supporting shoe, first sealed ball inner wall in the first flexible supporting shoe outside be equipped with a plurality of second flexible supporting shoe, first flexible supporting shoe with the inside eighth cavity that all is equipped with of second flexible supporting shoe, the inside supporting ball that is equipped with of eighth cavity, the inside ninth cavity that is equipped with of supporting ball, the connecting plate outer wall be equipped with first flexible strip assorted first seal groove, the connecting plate outer wall be equipped with second flexible strip assorted second seal groove, the connecting plate outer wall be equipped with third flexible strip assorted third seal groove, the connecting plate outer wall be equipped with first sealed ball assorted fourth seal groove, the connecting plate outer wall in first seal groove with be equipped with first gas transmission groove between the fourth seal groove, the connecting plate inner wall in be equipped with the ninth cavity, the connecting plate inner wall be equipped with second gas transmission groove with between the fifth seal groove, the fourth cavity is equipped with a plurality of gas transmission grooves, the third vent hole is filled with the third vent hole, the third vent hole is filled with a plurality of cavities, the third vent hole is filled with the third vent hole, the cavity is filled with the inside.
Further, the first flexible support bar, the second flexible support bar, the third flexible support bar, the fifth flexible support bar, the sixth flexible support bar, the first flexible support block and the cross section of the second flexible support block are of regular hexagonal structures, the flexible support bars of the regular hexagonal structures can effectively strengthen supporting effects, stability is better, the cross sections of the fourth flexible support bar and the seventh flexible support bar are of circular ring structures, and the stability of the sealing ring can be further enhanced when the circular ring structures are matched with the regular hexagonal structures.
Further, a first isolation sheet is arranged between every two adjacent first flexible support strips, a second isolation sheet is arranged between every two adjacent second flexible support strips and every two adjacent third flexible support strips, a third isolation sheet and a fourth isolation sheet are arranged on the outer wall of each first isolation sheet, the third isolation sheets are fixedly connected with the outer walls of the corresponding third flexible support strips, the fourth isolation sheets are fixedly connected with the inner walls of the first cavities, and the first isolation sheets, the second isolation sheets, the third isolation sheets and the fourth isolation sheets can divide the first cavities and the second spaces into a plurality of independent spaces again, so that the sealing buffer effect is better.
Further, the first flexible support bars and the third flexible support bars are all annular in the outside of the second flexible support bars, just the first flexible support bars are located adjacent two between the outside of the third flexible support bars, the first flexible support bars with the size of the third flexible support bars is equal, just the first flexible support bars with the quantity of the third flexible support bars is equal for the crisscross distribution of first flexible support bars and third flexible support bars, flexible buffering effect is better, and the first cavity inner space is more dredged, and the second cavity inner space is compacter, guarantees the multistage buffering that realizes first flexible bars.
Further, the link includes angle bar and a plurality of mutually supporting bolt and nut, the bolt runs through the connecting plate with the angle bar, the nut outer wall keep away from bolt one side is equipped with a plurality of swing joint's spherical shell board, the spherical shell board be annular distribute in the nut outside, the nut outer wall in spherical shell inboard is equipped with the stock guide, spherical shell inboard wall be equipped with stock guide assorted guide rail, stock guide outer wall keep away from nut one side is equipped with the spring, spring one end with spherical shell inboard wall fixed connection, the bolt outer wall be equipped with spherical shell board assorted spacing groove, the angle bar outer wall be equipped with spherical shell board assorted slot, the nut is spherical structure, spherical shell board sets up four, four spherical shell board is annular evenly distributed, just spherical shell board structure's angle is forty five degrees.
Further, the nut outer wall is kept away from spherical shell board one side is equipped with the mounting plate, the connecting plate with the angle bar outer wall all be equipped with mounting plate assorted spacing groove, the mounting plate cross section is regular hexagon structure, and during the nut installation, the mounting plate inserts spacing inslot portion, can effectively strengthen the spacing connection effect to the nut, improves the stability of nut.
Further, the gasket is sleeved on the outer wall of the bolt, and is used between the bolt and the connecting plate, so that the stability of bolt installation can be effectively enhanced.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the sealing ring comprises the first flexible strip, the second flexible strip, the first sealing ball, the third flexible strip and the second sealing ball, the sealing ring can realize multiple sealing treatment on the device, the sealing performance of the device can be effectively enhanced, leakage is not easy to occur, multi-directional multi-angle limit support can be carried out on the outer sides of the second flexible strip and the third flexible strip, the sealing effect and stability of the sealing ring can be further enhanced, multiple inflatable buffer protection is carried out in the first flexible strip, the second flexible strip, the first sealing ball, the third flexible strip and the second sealing ball, the buffer protection effect of the sealing ring can be effectively ensured, the explosion suppression effect of the high-voltage power distribution device can be effectively enhanced, the sealing ring stability is better, the sealing effect is further ensured, and further, when the explosion suppression impact force is overlarge, the sealing ring is broken, carbon dioxide and dry powder can be sprayed into the body cavity and the wiring cavity from the air outlet hole under the extrusion action of the impact force, the electric spark or the fire source in the body cavity and the wiring cavity can be effectively extinguished, the sealing effect of the body cavity and the wiring cavity can be effectively ensured, the explosion suppression effect of the sealing ring can be simultaneously enhanced, and the sealing performance of the sealing device can be effectively enhanced;
2. according to the invention, by arranging the bolts, the nuts, the ball shell plates, the springs, the limiting grooves and the slots, when the bolts are pressed inwards, the nuts are always tightly attached to the angle irons, the bolts are continuously pressed inwards, when the limiting grooves move to the positions of the ball shell plates, the springs rebound, the ball shell plates are folded inwards, the ball shell plates are inserted into the limiting grooves, at the moment, the bolts are fixed, the ball shell plates can be prevented from loosening under external impact, the stress is more uniform, the stability is better, the forty-five degree setting can be realized, and on the premise of ensuring the supporting strength of the ball shell plates, enough space is reserved between the adjacent ball shell plates, so that the ball shell plates can perform normal telescopic movement, the quick assembly connection process of the connecting plates can be realized by directly pressing the bolts, the operation is convenient and quick, the bolts are not simply fixed through threads, but are provided with elastic buffering fixed connection modes, the elastic buffering is realized when the device is used for explosion isolation, the stress is reduced, and the explosion-proof effect is improved while the fixed connection of the device is ensured.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a front cross-sectional view of the entirety of the present invention;
FIG. 2 is a front cross-sectional view of the seal ring of the present invention in connection with a web;
FIG. 3 is a front cross-sectional view of the seal ring of the present invention in another connection with the web;
FIG. 4 is a front view of the seal ring of the present invention;
FIG. 5 is a top view of the seal ring of the present invention;
FIG. 6 is a front cross-sectional view of the seal ring of the present invention;
FIG. 7 is a front cross-sectional view of another alternative location of the seal ring of the present invention;
FIG. 8 is a front cross-sectional view of a first flexible strip of the present invention;
FIG. 9 is a front view of the connector of the present invention;
FIG. 10 is a front cross-sectional view of the connector of the present invention;
FIG. 11 is an enlarged schematic view of FIG. 10A in accordance with the present invention;
FIG. 12 is a side view of the connector frame of the present invention;
in the figure: 1. a body cavity; 2. a wiring cavity; 3. a connecting plate; 4. a connecting frame; 5. a seal ring; 6. a first flexible strip; 7. a second flexible strip; 8. a first sealing ball; 9. a third flexible strip; 10. a second sealing ball; 11. a first cavity; 12. a second cavity; 13. a first flexible support bar; 14. a second flexible support bar; 15. a third flexible support bar; 16. a third cavity; 17. a fourth flexible support bar; 18. a fourth cavity; 19. a fifth cavity; 20. a fifth flexible support bar; 21. a sixth flexible support bar; 22. a sixth cavity; 23. a seventh flexible support bar; 24. a seventh cavity; 25. a first flexible support block; 26. a second flexible support block; 27. an eighth cavity; 28. a support ball; 29. a ninth cavity; 30. a first seal groove; 31. a second seal groove; 32. a third seal groove; 33. a fourth seal groove; 34. a fifth seal groove; 35. a first gas delivery tank; 36. a second gas delivery tank; 37. an air outlet hole; 38. a first spacer; 39. a second spacer; 40. a third spacer; 41. a fourth spacer; 42. angle iron; 43. a bolt; 44. a screw cap; 45. a material guide plate; 46. a guide rail; 47. a spring; 48. a limit groove; 49. a mounting plate; 50. a mounting groove; 51. a gasket; 52. a slot; 53. a spherical shell plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The explosion-proof high-voltage distribution device for mines shown in figures 1-8 comprises a body cavity 1 and a wiring cavity 2, wherein a plurality of connecting plates 3 are respectively arranged on the outer walls of the body cavity 1 and the wiring cavity 2, two adjacent connecting plates 3 are fixedly connected through a connecting frame 4, a sealing ring 5 is arranged between the two adjacent connecting plates 3, the sealing ring 5 comprises a first flexible strip 6, two second flexible strips 7 are symmetrically arranged on two sides of the outer wall of the first flexible strip 6, a plurality of first sealing balls 8 are arranged on one side, far away from the first flexible strip 6, between the outer walls of the two adjacent second flexible strips 7, a third flexible strip 9 is symmetrically arranged on the top of the outer wall of the first flexible strip 6, a plurality of second sealing balls 10 are arranged on one side, far away from the first flexible strip 6, between the outer walls of the two third flexible strips 9, the second flexible strips 7 and the third flexible strips 9 have the same structure, the first sealing ball 8 and the second sealing ball 10 have the same structure, the first sealing ball 8 and the second sealing ball 10 are arranged in a staggered way, a first cavity 11 and a second cavity 12 are arranged in the first flexible strip 6, the first cavity 11 is arranged outside the second cavity 12, a plurality of first flexible supporting strips 13 are arranged between the first cavity 11 and the second cavity 12 on the inner wall of the first flexible strip 6, a second flexible supporting strip 14 is arranged in the center of the inner wall of the second cavity 12, a plurality of third flexible supporting strips 15 are arranged outside the first flexible supporting strips 13 on the inner wall of the second cavity 12, a third cavity 16 is arranged in the first flexible supporting strips 13, the second flexible supporting strips 14 and the third flexible supporting strips 15, a fourth flexible supporting strips 17 are arranged in the third cavity 16, a fourth cavity 18 is arranged in the fourth flexible supporting bar 17, a fifth cavity 19 is arranged in the second flexible bar 7, a fifth flexible supporting bar 20 is arranged in the center of the inside of the fifth cavity 19, a plurality of sixth flexible supporting bars 21 are arranged outside the fifth flexible supporting bar 20 in the fifth cavity 19, sixth cavities 22 are arranged in the fifth flexible supporting bar 20 and the sixth flexible supporting bar 21, a seventh flexible supporting bar 23 is arranged in the sixth cavity 22, a seventh cavity 24 is arranged in the seventh flexible supporting bar 23, a first flexible supporting block 25 is arranged in the center of the inner wall of the first sealing ball 8, a plurality of second flexible supporting blocks 26 are arranged outside the first flexible supporting block 25 in the inner wall of the first sealing ball 8, eighth cavities 27 are arranged in the first flexible supporting block 25 and the second flexible supporting block 26, the eighth cavity 27 is internally provided with a supporting ball 28, the supporting ball 28 is internally provided with a ninth cavity 29, the outer wall of the connecting plate 3 is provided with a first sealing groove 30 matched with the first flexible strip 6, the outer wall of the connecting plate 3 is provided with a second sealing groove 31 matched with the second flexible strip 7, the outer wall of the connecting plate 3 is provided with a third sealing groove 32 matched with the third flexible strip 9, the outer wall of the connecting plate 3 is provided with a fourth sealing groove 33 matched with the first sealing ball 8, the outer wall of the connecting plate 3 is provided with a fifth sealing groove 34 matched with the second sealing ball 10, a first gas transmission groove 35 is arranged between the first sealing groove 30 and the fourth sealing groove 33, a second gas transmission groove 36 is arranged between the first sealing groove 30 and the fifth sealing groove 34, a plurality of air outlet holes 37 are formed in one side of the outer wall of the connecting plate 3, the air outlet holes 37 are respectively communicated with the first air conveying groove 35 and the second air conveying groove 36, carbon dioxide is filled in the first cavity 11, the second cavity 12, the fourth cavity 18, the fifth cavity 19, the seventh cavity 24 and the ninth cavity 29, dry powder is filled in the third cavity 16, the sixth cavity 22 and the eighth cavity 27, and the air outlet holes 37 are of a venturi tube structure.
The cross sections of the first flexible supporting strips 13, the second flexible supporting strips 14, the third flexible supporting strips 15, the fifth flexible supporting strips 20, the sixth flexible supporting strips 21, the first flexible supporting blocks 25 and the second flexible supporting blocks 26 are of regular hexagonal structures, the supporting effect can be effectively enhanced by the flexible supporting strips of the regular hexagonal structures, the stability is better, the cross sections of the fourth flexible supporting strips 17 and the seventh flexible supporting strips 23 are of circular ring structures, and the stability of the sealing ring 5 can be further enhanced by the cooperation of circular rings and the regular hexagonal structures.
A first isolation sheet 38 is arranged between two adjacent first flexible support strips 13, a second isolation sheet 39 is arranged between the second flexible support strips 14 and the third flexible support strips 15, a third isolation sheet 40 and a fourth isolation sheet 41 are arranged on the outer wall of the first isolation sheet 38, the third isolation sheet 40 is fixedly connected with the outer wall of the third flexible support strips 15, the fourth isolation sheet 41 is fixedly connected with the inner wall of the first cavity 11, and the first isolation sheet 38, the second isolation sheet 39, the third isolation sheet 40 and the fourth isolation sheet 41 can divide the first cavity 11 and the second space 12 into a plurality of independent spaces again, so that the sealing buffer effect is better.
The first flexible supporting strips 13 and the third flexible supporting strips 15 are distributed in an annular mode on the outer sides of the second flexible supporting strips 14, the first flexible supporting strips 13 are arranged between the outer sides of the adjacent two third flexible supporting strips 15, the sizes of the first flexible supporting strips 13 and the third flexible supporting strips 15 are equal, the number of the first flexible supporting strips 13 and the number of the third flexible supporting strips 15 are equal, the first flexible supporting strips 13 and the third flexible supporting strips 15 are distributed in a staggered mode, the flexible buffering effect is better, the inner space of the first cavity 11 is more separated, the inner space of the second cavity 12 is more compact, and multi-level buffering of the first flexible strips 6 is guaranteed.
The implementation mode specifically comprises the following steps: when in use, the sealing ring 5 comprises a first flexible strip 6, a second flexible strip 7, a first sealing ball 8, a third flexible strip 9 and a second sealing ball 10, the connecting frame 4 is used for fixedly connecting two connecting plates 3, the sealing ring 5 is used for sealing treatment at the connecting position of the connecting plates 3, the first flexible strip 6 is positioned at the inner side of the first sealing groove 30, the second flexible strip 7 is positioned at the inner side of the second sealing groove 31, the first sealing ball 8 is positioned at the inner side of the third sealing groove 32, the third flexible strip 9 is positioned at the inner side of the fourth sealing groove 33, the second sealing ball 10 is positioned at the inner side of the fifth sealing groove 34, the first flexible strip 6 performs first resealing treatment on the connecting position of the connecting plates 3, the second flexible strip 7 performs second resealing treatment on the connecting position of the connecting plates 3, the third flexible strip 9 performs third resealing treatment on the connecting position of the connecting plates 3, the first sealing ball 8 performs fourth resealing treatment on the connecting position of the connecting plates 3, the second sealing ball 10 carries out fifth sealing treatment on the joint of the connecting plate 3, the sealing performance of the device can be effectively improved, leakage is not easy to occur, the first sealing ball 8 fixedly connects the two second flexible strips 7 together, the second sealing ball 10 fixedly connects the two third flexible strips 9 together, the stability and the limiting effect of the sealing ring 5 can be effectively enhanced, in addition, the first sealing ball 8 and the second sealing ball 10 are distributed in a staggered manner, multi-azimuth multi-angle limiting support can be carried out outside the second flexible strips 7 and the third flexible strips 9, the sealing effect and the stability of the sealing ring 5 can be further enhanced, carbon dioxide is filled in the first cavity 11, the second cavity 12, the fourth cavity 18, the fifth cavity 19, the seventh cavity 24 and the ninth cavity 29, and the stability of the sealing ring 5 is ensured to be formed in the first flexible strips 6, the second flexible strips 7, the third flexible strip 9, the first sealing ball 8 and the second sealing ball 10 are internally provided with multiple inflatable buffer protection, so that the buffer protection effect of the sealing ring 5 can be effectively ensured, the explosion-proof effect of the high-voltage distribution device can be effectively enhanced, dry powder is filled in the third cavity 16, the sixth cavity 22 and the eighth cavity 27, the dry powder in the third cavity 16 can be filled and supported outside the fourth flexible supporting strip 17, the dry powder in the sixth cavity 22 can be filled and supported outside the seventh flexible supporting strip 23, the dry powder filled in the eighth cavity 27 can be filled and supported outside the supporting ball 28, the first cavity 11 and the second cavity 12 are internally and externally distributed, the second flexible supporting strip 14 is innermost, the third flexible supporting strip 15 is annularly arranged outside the second flexible supporting strip 14, the first flexible supporting strip 13 is annularly arranged outside the third flexible supporting strip 15, the multi-supporting of the first flexible strip 6 is realized, the sealing performance of the device is further enhanced, the fourth flexible supporting strip 17 supports in the third cavity 16, the supporting strength of the first flexible supporting strip 13, the second flexible supporting strip 14 and the third flexible supporting strip 15 can be effectively enhanced, the whole buffering strength and supporting performance of the first flexible strip 6 are improved, the fifth flexible supporting strip 20 is positioned at the center position of the second flexible strip 7 and the third flexible strip 9, the sixth flexible supporting strip 21 is annularly distributed at the outer side of the fifth flexible supporting strip 20, the multi-buffering supporting of the second flexible strip 7 and the third flexible strip 9 can be realized, the sealing performance of the sealing ring 5 is further enhanced, the first flexible supporting block 25 and the second flexible supporting block 26 are distributed in an inner-outer double layer, the buffering performance of the first sealing ball 8 and the second sealing ball 10 can be further enhanced, the sealing device has better stability, ensures sealing effect and further ensures explosion-proof effect, when the sealing ring 5 is impacted by impact force generated by explosion suppression in explosion-proof work of the power distribution device, the impact force generated by explosion suppression is used as a trigger mechanism, when the explosion suppression impact force is smaller and is insufficient to break the sealing ring 5, carbon dioxide and dry powder in the sealing ring 5 can not be sprayed outwards, the sealing ring 5 is extruded and deformed under the action of the impact force to further strengthen sealing performance, when the explosion suppression impact force is overlarge, the sealing ring 5 is broken, under the extrusion action of the impact force, one or more of the first cavity 11, the second cavity 12, the fourth cavity 18, the fifth cavity 19, the seventh cavity 24 or the ninth cavity 29 is/are filled with carbon dioxide along the first air conveying groove 35 and the second air conveying groove 36 to the air outlet hole 37, the carbon dioxide is sprayed from the air outlet hole 37 to the inside of the body cavity 1 and the wiring cavity 2, so that electric sparks or fire sources in the body cavity 1 and the wiring cavity 2 can be effectively extinguished, because the sealing ring 5 is subjected to multiple buffer sealing treatment, the sealing performance of the body cavity 1 and the wiring cavity 2 can be effectively ensured while the carbon dioxide is sprayed to the inside of the body cavity 1 and the wiring cavity 2, the explosion-proof effect is ensured, when one or more of the third cavity 16, the sixth cavity 22 or the eighth cavity 27 is damaged, dry powder is sprayed out and spread in the sealing ring 5, the explosion-proof treatment effect of the sealing ring 5 can be effectively enhanced, meanwhile, the dry powder can be conveyed to the position of the air outlet hole 37 along the first air conveying groove 35 and the second air conveying groove 36 under the pushing of the carbon dioxide, then sprayed to the inside of the body cavity 1 and the wiring cavity 2 by the air outlet hole 37, and the electric sparks or fire sources can be further extinguished, the venthole 37 is arranged into a venturi tube structure, so that after carbon dioxide and dry powder are sprayed into the body cavity 1 and the wiring cavity 2 through the venthole 37, the diffusion effect is better, the efficiency of spraying and extinguishing electric sparks and fire sources can be accelerated, the explosion-proof treatment effect of the device can be further enhanced, meanwhile, when the device is in the explosion-proof treatment process, the impact force in the device enters the outer side of the sealing ring 5 from the venthole 37 into the first air transmission groove 35 and the second air transmission groove 36, the sealing ring 5 is impacted, the sealing ring 5 is buffered, and the explosion-proof treatment effect of the device can be enhanced while the sealing performance of the device is enhanced; the embodiment specifically solves the problems that in the background technology, the existing mine explosion-proof high-voltage distribution device is poor in sealing performance, easy to leak and affects the explosion-proof effect.
The utility model provides a mine is with flame proof type high voltage distribution device as shown in fig. 1 and 9-11, wherein link 4 includes angle bar 42 and a plurality of mutually supporting bolt 43 and nut 44, bolt 43 runs through connecting plate 3 with angle bar 42, the nut 44 outer wall keep away from bolt 43 one side is equipped with a plurality of swing joint's spherical shell plate 53, spherical shell plate 53 be the annular distribute in the nut 44 outside, the nut 44 outer wall in spherical shell plate 53 inboard is equipped with stock guide 45, spherical shell plate 53 inner wall be equipped with stock guide 45 assorted guide 46, stock guide 45 outer wall keep away from nut 44 one side is equipped with spring 47, spring 47 one end with spherical shell plate 53 inner wall fixed connection, bolt 43 outer wall be equipped with spherical shell plate 53 assorted spacing groove 48, angle bar 42 outer wall be equipped with spherical shell plate 53 assorted socket 52, spherical shell plate 53 is the sphere structure, spherical shell plate 53 sets up four spherical shell plates 53 be the even distribution of annular, and the spherical shell plate is the angle of five is the spherical shell plate is the sphere structure of four.
The nut 44 outer wall is kept away from spherical shell plate 53 one side is equipped with mounting plate 49, connecting plate 3 with angle bar 42 outer wall all be equipped with mounting plate 49 assorted mounting groove 50, the mounting plate 49 cross section is regular hexagon structure, and during the nut 44 installation, the mounting plate 49 inserts inside the mounting groove 50, can effectively strengthen the spacing connection effect to nut 44, improves the stability of nut 44.
The outer wall of the bolt 43 is sleeved with the gasket 51, and the gasket 51 is used between the bolt 43 and the connecting plate 3, so that the stability of the installation of the bolt 43 can be effectively enhanced.
The implementation mode specifically comprises the following steps: when in use, the angle iron 42 is placed on the inner side of the joint of the two connecting plates 3 by arranging the bolts 43, the nuts 44, the spherical shell plates 53, the springs 47, the limiting grooves 48 and the inserting grooves 52, the nuts 44 are arranged on the angle iron 42, then the bolts 43 are directly inserted from the outside of the connecting plates 3, the bolts 43 penetrate through the connecting plates 3 and the nuts 44 and pass through the middle of the spherical shell plates 53, the bolts 43 can directly push the spherical shell plates 53 outwards, the springs 47 compress, the spherical shell plates 53 move outwards along the nuts 44, the material guide plates 45 guide the spherical shell plates 53, the guide rails 46 are sleeved on the outer sides of the material guide plates 45, the spherical shell plates 53 can be guided, the movement stability of the spherical shell plates 53 is ensured, when the spherical shell plates 53 move outwards, the spherical shell plates 53 are inserted into the inserting grooves 52, the nuts 44 can be limited and fixed, when the bolts 43 are pressed inwards, the nuts 44 are always tightly attached to the angle iron 42, the bolts 43 are continuously pressed inwards, when the limit groove 48 moves to the position of the spherical shell plate 53, the spring 47 rebounds to retract the spherical shell plate 53 inwards, the spherical shell plate 53 is inserted into the limit groove 48, at this time, the bolt 43 is fixed, the quick-mounting connection process of the connecting plate 3 can be realized by directly pressing the bolt 43, the operation is convenient and quick, the nut 44 is in a spherical structure, so that the spherical shell plate 53 moves more smoothly along the nut 44, the spherical shell plate 53 is more tightly connected with the limit groove 48, the spherical shell plate 53 can be prevented from loosening under external impact, the spherical shell plate 53 is provided with four spherical shell plates 53, the spherical shell plates 53 are uniformly distributed in a ring shape, the side view structure of the spherical shell plate 53 is at an angle of forty-five degrees, the spherical shell plates 53 are uniformly distributed outside the nut 44 in a ring shape, the stress is more uniform, the spherical shell plate 53 is ensured to limit the outside the nut 44 at four points, the stability is better, the side view structure of the spherical shell plate 53 is at an angle of forty-five degrees, under the premise of guaranteeing the supporting strength of the spherical shell plates 53, the forty-five degree setting ensures that enough space is reserved between the adjacent spherical shell plates 53, so that the spherical shell plates 53 perform normal telescopic movement, the larger the impact received by the inner parts of the body cavity 1 and the wiring cavity 2 is, the spherical shell plates 53 are outwards arranged under the action of impact force, one end of each spherical shell plate 53 is positioned at the inner side of the corresponding slot 52, the other end of each spherical shell plate 53 is positioned at the inner side of the corresponding limit groove 48, the bolts 43 cannot fall off, and when the impact force disappears, the bolts 43 return to the original positions under the action of the resilience force of the springs 47, meanwhile, the bolts 43 are not simply fixed by threads, but are in a fixed connection mode with elastic buffering, the elastic buffering can be performed when the device performs explosion isolation, the stress is reduced, and the explosion-proof effect can be improved while the fixed connection of the device is guaranteed.
The working principle of the invention is as follows:
referring to the attached drawings 1-8 of the specification, by arranging the sealing ring 5 comprising a first flexible strip 6, a second flexible strip 7, a first sealing ball 8, a third flexible strip 9 and a second sealing ball 10, the sealing ring 5 can realize multiple sealing treatment on the device, can effectively strengthen the sealing performance of the device, is not easy to leak, can carry out multi-directional multi-angle limiting support on the outer sides of the second flexible strip 7 and the third flexible strip 9, can further strengthen the sealing effect and stability of the sealing ring 5, carries out multiple inflatable buffer protection on the inner parts of the first flexible strip 6, the second flexible strip 7, the first sealing ball 8, the third flexible strip 9 and the second sealing ball 10, can effectively ensure the buffer protection effect of the sealing ring 5, the explosion-proof effect of the high-voltage distribution device can be effectively enhanced, the stability of the sealing ring 5 is better, the sealing effect is ensured, the explosion-proof effect is further ensured, when the explosion-proof impact force is overlarge, the sealing ring 5 is broken, carbon dioxide and dry powder can be sprayed into the body cavity 1 and the wiring cavity 2 from the air outlet hole 37 under the extrusion action of the impact force, electric sparks or fire sources in the body cavity 1 and the wiring cavity 2 can be effectively extinguished, and as the sealing ring 5 is subjected to multiple buffer sealing treatment, the sealing performance of the body cavity 1 and the wiring cavity 2 can be effectively ensured while the carbon dioxide is sprayed into the body cavity 1 and the wiring cavity 2, the explosion-proof effect is ensured, and the sealing ring 5 can enhance the explosion-proof treatment effect of the device while enhancing the sealing performance;
further, referring to fig. 1 and fig. 9-11 of the specification, by arranging the bolt 43, the nut 44, the spherical shell plate 53, the spring 47, the limiting groove 48 and the slot 52, when the bolt 43 is pressed inwards, the nut 44 is always tightly attached to the angle iron 42, the bolt 43 is continuously pressed inwards, when the limiting groove 48 moves to the spherical shell plate 53, the spring 47 rebounds to fold the spherical shell plate 53 inwards, the spherical shell plate 53 is inserted into the limiting groove 48, at the moment, the bolt 43 is fixed, the spherical shell plate 53 can be prevented from loosening under external impact, the stress is more uniform, the stability is better, and the forty-five degree setting can ensure that enough space is reserved between adjacent spherical shell plates 53 on the premise of ensuring the supporting strength of the spherical shell plate 53, so that the spherical shell plate 53 can be directly pressed to realize the quick assembly connection process of the connecting plate 3.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a mine is with flameproof high voltage distribution device, includes body chamber (1) and wiring chamber (2), its characterized in that: the body cavity (1) and the outer wall of the wiring cavity (2) are respectively provided with a plurality of connecting plates (3), two adjacent connecting plates (3) are fixedly connected through a connecting frame (4), and a sealing ring (5) is arranged between the two adjacent connecting plates (3); the sealing ring (5) comprises a first flexible strip (6), two second flexible strips (7) are symmetrically arranged on two sides of the outer wall of the first flexible strip (6), a plurality of first sealing balls (8) are arranged on one side, away from the first flexible strip (6), of the second flexible strip (7), third flexible strips (9) are symmetrically arranged on the top of the outer wall of the first flexible strip (6), a plurality of second sealing balls (10) are arranged on one side, away from the first flexible strip (6), of the outer wall of the second flexible strip (9), the structures of the second flexible strips (7) and the third flexible strip (9) are identical, the structures of the first sealing balls (8) and the second sealing balls (10) are identical, the first sealing balls (8) and the second sealing balls (10) are arranged in a staggered mode, a first cavity (11) and a second cavity (12) are arranged inside the first flexible strip (6), a plurality of second sealing balls (10) are arranged on one side, the second cavity (12) is far away from the first flexible strip (6), a plurality of second sealing balls (10) are arranged on one side of the second flexible strip (6), the first flexible strip (7) is provided with a plurality of second cavity (12), the first flexible strip (12) is provided with a plurality of second cavity (12) and a plurality of second flexible supporting strips (12) are arranged between the first flexible strip (12), the inner wall of the second cavity (12) is provided with a plurality of third flexible supporting strips (15) outside the first flexible supporting strips (13), the second flexible supporting strips (14) and the third flexible supporting strips (15) are internally provided with third cavities (16), fourth flexible supporting strips (17) are arranged inside the third cavities (16), fourth cavities (18) are arranged inside the fourth flexible supporting strips (17), fifth cavities (19) are arranged inside the second flexible supporting strips (7), a fifth flexible supporting strip (20) is arranged in the center inside the fifth cavities (19), a plurality of sixth flexible supporting strips (21) are arranged outside the fifth flexible supporting strips (20), sixth cavities (22) are arranged inside the fifth flexible supporting strips (20) and the sixth flexible supporting strips (21), seventh flexible supporting strips (23) are arranged inside the seventh cavities (24), a first flexible supporting ball (8) is provided with a plurality of sealing balls (25) on the outer sides of the first flexible supporting balls (25), the inside eighth cavity (27) that all is equipped with of first flexible supporting shoe (25) with inside flexible supporting shoe (26) of second, eighth cavity (27) inside is equipped with back ball (28), back ball (28) inside is equipped with ninth cavity (29), connecting plate (3) outer wall be equipped with first flexible strip (6) assorted first seal groove (30), connecting plate (3) outer wall be equipped with second flexible strip (7) assorted second seal groove (31), connecting plate (3) outer wall be equipped with third flexible strip (9) assorted third seal groove (32), connecting plate (3) outer wall be equipped with first seal ball (8) assorted fourth seal groove (33), connecting plate (3) outer wall be equipped with second seal ball (10) assorted fifth seal groove (34), connecting plate (3) inner wall in first seal groove (30) with be equipped with first gas transmission groove (35) between fourth seal groove (33), connecting plate (3) outer wall be equipped with a plurality of gas transmission grooves (37) between first seal groove (30) and second outer wall (34), the air outlet holes (37) are respectively communicated with the first air conveying groove (35) and the second air conveying groove (36), the interiors of the first cavity (11), the second cavity (12), the fourth cavity (18), the fifth cavity (19), the seventh cavity (24) and the ninth cavity (29) are filled with carbon dioxide, the interiors of the third cavity (16), the sixth cavity (22) and the eighth cavity (27) are filled with dry powder, and the air outlet holes (37) are of a venturi tube structure;
the cross sections of the first flexible supporting bar (13), the second flexible supporting bar (14), the third flexible supporting bar (15), the fifth flexible supporting bar (20), the sixth flexible supporting bar (21), the first flexible supporting block (25) and the second flexible supporting block (26) are all regular hexagon structures, and the cross sections of the fourth flexible supporting bar (17) and the seventh flexible supporting bar (23) are all circular ring structures;
be equipped with first spacer (38) between two adjacent first flexible support strip (13), second flexible support strip (14) with be equipped with second spacer (39) between third flexible support strip (15), first spacer (38) outer wall is equipped with third spacer (40) and fourth spacer (41), third spacer (40) with third flexible support strip (15) outer wall fixed connection, fourth spacer (41) with first cavity (11) inner wall fixed connection.
2. The flameproof high-voltage power distribution device for mines according to claim 1, wherein: the first flexible supporting strips (13) and the third flexible supporting strips (15) are distributed on the outer sides of the second flexible supporting strips (14) in a ring shape, and the first flexible supporting strips (13) are arranged between the outer sides of two adjacent third flexible supporting strips (15).
3. The flameproof high-voltage power distribution device for mines according to claim 2, wherein: the first flexible supporting strips (13) and the third flexible supporting strips (15) are equal in size, and the first flexible supporting strips (13) and the third flexible supporting strips (15) are equal in number.
4. A mine flameproof high voltage power distribution device according to claim 3, wherein: the utility model provides a four-angle ball shell structure, including angle bar (42) and a plurality of bolt (43) and nut (44) that match each other, bolt (43) run through connecting plate (3) with angle bar (42), nut (44) outer wall keep away from bolt (43) one side is equipped with spherical shell plate (53) of a plurality of swing joint, spherical shell plate (53) be annular distribute in nut (44) outside, nut (44) outer wall in spherical shell plate (53) inboard is equipped with stock guide (45), spherical shell plate (53) inner wall be equipped with stock guide (45) assorted guide (46), stock guide (45) outer wall keep away from nut (44) one side is equipped with spring (47), spring (47) one end with spherical shell plate (53) inner wall fixed connection, bolt (43) outer wall be equipped with spherical shell plate (53) assorted spacing groove (48), angle bar (42) outer wall be equipped with spherical shell plate (53) inboard is equipped with stock guide (45), spherical shell plate (53) assorted guide (53) are four spherical shell plate (53), four spherical shell structure is four spherical shell plate (53) are four-angle ball shell structure.
5. The flameproof high-voltage power distribution device for mines according to claim 4, wherein: one side of the outer wall of the nut (44) far away from the spherical shell plate (53) is provided with a mounting disc (49), and the outer walls of the connecting plate (3) and the angle iron (42) are respectively provided with a mounting groove (50) matched with the mounting disc (49).
6. The explosion-proof type high-voltage power distribution device for mines according to claim 5, wherein: the cross section of the mounting plate (49) is of a regular hexagon structure.
7. The flameproof high-voltage power distribution device for mines according to claim 6, wherein: a gasket (51) is sleeved on the outer wall of the bolt (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011302405.2A CN112366565B (en) | 2020-11-19 | 2020-11-19 | Flame-proof type high-voltage distribution device for mine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011302405.2A CN112366565B (en) | 2020-11-19 | 2020-11-19 | Flame-proof type high-voltage distribution device for mine |
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| Publication Number | Publication Date |
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| CN112366565A CN112366565A (en) | 2021-02-12 |
| CN112366565B true CN112366565B (en) | 2023-05-02 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692890Y (en) * | 2004-04-26 | 2005-04-13 | 高赟 | Mine explosion-isolation safety high-voltage vacuum distributor |
| CN202434942U (en) * | 2011-10-08 | 2012-09-12 | 天地科技股份有限公司 | Mining flame-proof and pressurized high-voltage power distribution device |
| CN208127694U (en) * | 2018-05-18 | 2018-11-20 | 飞策防爆电器有限公司 | A kind of explosion-proof fire emergency distribution box |
| CN208548597U (en) * | 2018-08-01 | 2019-02-26 | 天津斯科赛斯工程技术有限公司 | A kind of power distribution cabinet with blast resistance construction |
| CN210539913U (en) * | 2019-05-23 | 2020-05-19 | 扬州市邗江通源机械有限公司 | Automatic fire-proof and explosion-proof safety cabinet |
-
2020
- 2020-11-19 CN CN202011302405.2A patent/CN112366565B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692890Y (en) * | 2004-04-26 | 2005-04-13 | 高赟 | Mine explosion-isolation safety high-voltage vacuum distributor |
| CN202434942U (en) * | 2011-10-08 | 2012-09-12 | 天地科技股份有限公司 | Mining flame-proof and pressurized high-voltage power distribution device |
| CN208127694U (en) * | 2018-05-18 | 2018-11-20 | 飞策防爆电器有限公司 | A kind of explosion-proof fire emergency distribution box |
| CN208548597U (en) * | 2018-08-01 | 2019-02-26 | 天津斯科赛斯工程技术有限公司 | A kind of power distribution cabinet with blast resistance construction |
| CN210539913U (en) * | 2019-05-23 | 2020-05-19 | 扬州市邗江通源机械有限公司 | Automatic fire-proof and explosion-proof safety cabinet |
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|---|---|
| CN112366565A (en) | 2021-02-12 |
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Effective date of registration: 20230411 Address after: No. 178, Community 3, Minsheng Village, Bashan Town, Chengkou County, Chongqing, 405900 Applicant after: Chengkou County Gaofa Barium Mine Co.,Ltd. Address before: No.117 dayanggou, Qinhuai District, Nanjing City, Jiangsu Province, 210000 Applicant before: Liu Jun |
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