CN204706508U - A kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch - Google Patents
A kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch Download PDFInfo
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- CN204706508U CN204706508U CN201520463499.XU CN201520463499U CN204706508U CN 204706508 U CN204706508 U CN 204706508U CN 201520463499 U CN201520463499 U CN 201520463499U CN 204706508 U CN204706508 U CN 204706508U
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Abstract
The utility model discloses a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch, there is flame proof shell, main chamber and wire connection cavity is divided in flame proof shell, Qianmen is provided with on front side of flame proof shell, module frame is provided with in main chamber, the rear side of main chamber inner module framework is also provided with static contact structure assembly, and the top of module frame is provided with propulsive mechanism; The control section of modular feeding switch has quiet spring needle stand and spring needle stand of moving, propulsive mechanism has screw rod, one end of screw rod extends to direction, Qianmen, spring needle stand of moving is crossed on one end of screw rod, the move top of spring needle stand is provided with the conversion equipment be connected with module frame, conversion equipment comprises Tai Zhen mechanism and change over switch, and Tai Zhen mechanism is connected with spring needle stand of moving; The position corresponding with screw rod, Qianmen is provided with propelling drawing-out mechanism; The blocking mechanism that Qianmen inwall lower edge is opened for limiting Qianmen.The advantages such as this feeding switch has modularization, and volume is little, and fail safe is high, is convenient to transport, assembly and disassembly, and maintenance maintenance is convenient.
Description
Technical field
The invention relates to mining feed switch field, is specifically related to a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch.
Background technology
Flameproof intrinsically safe modular multiloop permanent magnetic vacuum feed switch (hereinafter referred to as feeding switch), be applicable in underground coal mine and other surrounding medium containing in the environment of damp (methane mixture), at interchange 50Hz, voltage 660V, 1140V, multi-loop electric flow in the three phase network of 2000A and following isolated neutral, as the use of distribution master switch or branch switch; The electric controller of current underground coal mine mainly adopts cable to be connected and composed by multiple mining explosion-proof vacuum feeder switch, practice shows, this kind of control appliance not only himself structure has insecurity, do not reach the object of complete flame proof, because each feeding switch adopts cable to connect, make the integral layout of each feeding switch loose, cause floor space large, failure rate is high, causes underground coal mine to have a power failure thus, thus brings hidden danger to underground coal mine safety in production.And the old-fashioned feeding switch used at present all adopts the mode of door opening electrical outage, manual brake separating all cannot reach the object of switching load side power-off.Because the circuit breaker input side in feeding switch is charged, when particularly overhauling and fix a breakdown, circuit breaker can not depart from main circuit completely, brings major safety risks to Safety of Coal Mine Production and personal safety.
Summary of the invention
The object of the invention is to provide a kind of simple and reasonable mine flameproof and intrinsic safety type modular permanent magnetism feeding switch, solve control appliance floor space in prior art large, failure rate is high, and the problem that feeding switch circuit breaker electric source is charged all the time; The structure of existing multiloop combination feeding switch is door opening electrical outage, if wherein once road break down, the inside is generally that four line feed switches all have a power failure, and has a strong impact on the power supply of coal-face; The advantages such as this feeding switch has modularization, independent flame proof, and be independent of each other between mutual loop, volume is little, and fail safe is high, is convenient to transport, assembly and disassembly, and maintenance maintenance is convenient.
The technical scheme adopted for realizing the invention object is:
A kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch, there is flame proof shell, upper and lower two chambers are divided in flame proof shell, be respectively and be positioned at the main chamber of below for placement module formula feeding switch, be positioned at top for placing the wire connection cavity of line terminal, on front side of described flame proof shell, the position corresponding with main chamber is provided with Qianmen, module frame is provided with in described main chamber, the rear side of main chamber inner module framework is also provided with static contact structure assembly, the top of module frame is provided with propulsive mechanism, and propulsive mechanism drives modular feeding switch movable in module frame; The control section of modular feeding switch has quiet spring needle stand and spring needle stand of moving, described propulsive mechanism has screw rod, one end of screw rod extends to direction, Qianmen, described spring needle stand of moving is crossed on one end of screw rod, the move top of spring needle stand is provided with the conversion equipment that be connected detachable with module frame, described conversion equipment comprises Tai Zhen mechanism and the change over switch for control loop break-make, and described Tai Zhen mechanism is connected with spring needle stand of moving; The position corresponding with screw rod, described Qianmen is provided with for break-make modular feeding switch and the propelling drawing-out mechanism be connected between major loop; The blocking mechanism that Qianmen inwall lower edge is opened for limiting Qianmen.
Described a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch, abutted flange is provided with on the right side of the position of the corresponding wire connection cavity of described flame proof shell, left side is provided with main circuit entrance bell, and front side is provided with control and communicating circuit line horn mouth, and rear side is provided with main circuit outlet wire speaker mouth.
Described a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch, described conversion equipment is fixed on module frame by stand, change over switch is arranged on the side of stand, the opposite side of stand is provided with handler, rotating shaft is provided with between handler and change over switch, described pin organization establishes of lifting is in rotating shaft, by handler rotating shaft, change over switch does switching regulator work by the rotation of rotating shaft, move spring needle stand by Tai Zhen mechanism along with the rotation of rotating shaft do relative to quiet spring needle stand lower on move both vertically.
Described a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch, described Tai Zhen mechanism comprises the eccentric wheel be arranged in rotating shaft, be arranged on the housing on eccentric wheel and the guide rail being arranged on stand down either side, the described detachable below being fixedly mounted on housing of spring needle stand of moving, the move both sides of spring needle stand coordinate with guide rail respectively, rotary motion handle, eccentric wheel does tangential motion in housing, spring needle stand of moving do under the acting in conjunction of housing and guide rail relative to quiet spring needle stand lower on move both vertically, the below of described stand has fixed head, described fixed head is connected by fastening type structure with module frame, fastening type structure is Z-type integral piece, be divided into screens part successively, limit part and mounting portion, screens part and fixed head clamping effect, the degree of depth of limit part restriction fixed head clamping, mounting portion is provided with screw, Z-type integral piece is fixed on module frame by the screw of mounting portion.
Described a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch, described propelling drawing-out mechanism comprises and runs through Qianmen and the steel bushing affixed with Qianmen, to arrange in steel bushing and with the copper sheathing of steel bushing stationary fit, to run through in copper sheathing and to move with copper sheathing the pull bar coordinated, one end of described pull bar extends to outside Qianmen, the other end of pull bar to extend to inside Qianmen and connects spanner, and described spanner acts on an end of screw rod.
Described a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch, described spring needle stand of moving has a groove, between one end of described screw rod and spanner, there is certain distance, one end of described screw rod is placed in groove, described housing and move between spring needle stand and be provided with latch plate, described latch plate is L-type, there is side plate I and side plate II, side plate I is arranged on housing and moves between spring needle stand, side plate II extends vertically downward to the direction of spring needle stand of moving, move spring needle stand and quiet spring needle stand when closing, side plate II is between spanner and an end of screw rod, when spring needle stand of moving is separated with quiet spring needle stand, side plate II is along with spring needle stand of moving moving the end abdicating screw rod.
Described a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch, described blocking mechanism comprises lock housing, the locking key and dead bolt that are flexibly connected with lock housing is provided with in lock housing, the activity direction of described locking key is consistent with the activity direction of modular feeding switch in flame proof shell, described locking key coordinates with dead bolt, when locking key is moved in lock housing, dead bolt moves in lock housing, and Qianmen can be opened; When locking key is moved outside lock housing, dead bolt stretches out and is pinned in Qianmen and flame proof shell outside lock housing.
Described a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch, described lock housing is provided with guide vane end stop, and described lock bolt sleeve is located on guide vane end stop, and one end of dead bolt is provided with roller shaft, and roller shaft is provided with roller, and the other end of dead bolt is ramp shaped; Spring I is provided with between guide vane end stop and the other end of dead bolt, the direction of motion of described locking key is vertical with the direction of motion of dead bolt, the tail end of described locking key is provided with a ramped shaped flange, described ramped shaped flange coordinates with roller, the below of ramped shaped flange is provided with spring II, one end of spring II is connected with the tail end of locking key, the other end of spring II is connected with catch, described catch and guide vane end stop are oppositely arranged, distance between locking key and modular feeding switch is L, and described L is not less than the safe distance that modular feeding switch departs from main circuit completely.
Described a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch; described lock housing is also provided with latch-up protection mechanism; described latch-up protection mechanism has mounting panel I and mounting panel II; mounting panel I and mounting panel II are arranged on the both sides of lock housing respectively; be flexibly connected backplate between mounting panel I and mounting panel II, when described backplate and locking key effect, locking key is in retracted state in lock housing; when backplate is separated with locking key, locking key is in and does well to lock housing is overhanging.
Described a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch, the bottom of described flame proof shell is provided with pry bracket base, described pry bracket base is by being arranged on two, the front and back channel-section steel of flame proof shell diapire and the round steel between two channel-section steels forms, and the two ends of round steel are affixed with two channel-section steels respectively.
The invention has following beneficial effect:
A kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch (hereinafter referred to as switch) of the invention, the volume-diminished of this switch is to 1/2 of existing volume of switch.Main chamber and wire connection cavity is divided in flame proof shell, wherein place a kind of modular permanent magnetic vacuum feed switch that the patent No. is CN201420437014.5 in main chamber, place whole major loop line terminal in wire connection cavity, make to use without the need to wiring in winner chamber, overhaul very convenient.The right side of wire connection cavity is provided with abutted flange, and the left side of wire connection cavity is provided with entrance bell, and the front side of wire connection cavity is provided with control and communicating circuit line horn mouth, and the rear side of wire connection cavity is provided with main circuit outlet wire speaker mouth, meets the demand of each line.When needs carry out switch combination docking time, can by the entrance bell on the left of wire connection cavity replaceable one-tenth abutted flange, by the abutted flange between switch and switch realize cordwood system type use combination.This flame proof shell is as a whole, is convenient to mobile and transport, realizes the modularization of whole switch.Module frame is provided with in main chamber, modular feeding switch is placed in module frame, the rear side of module frame is also provided with static contact structure assembly, modular feeding switch and main chamber is made to carry out plug-type being slidably connected, the top of module frame is provided with propulsive mechanism, by the screw rod in effect propulsive mechanism, can connection between fast and easy break-make Modular switch and main circuit.Be arranged on the top conversion equipment that be connected detachable with module frame of spring needle stand of moving, the position corresponding with screw rod, Qianmen is provided with for break-make modular feeding switch and the propelling drawing-out mechanism be connected between major loop; The blocking mechanism that Qianmen inwall lower edge is opened for limiting Qianmen, forms three pipe protection interlocking devices of this switch.Facilitate the modular feeding switch of staff to flame proof shell inside to change and overhaul, be beneficial to the safety improving colliery and the person, enhance productivity.
When abnormal conditions occurring and needing to cut off circuit loop, can facilitate and cut off corresponding circuit loop reliably, there is good result of use.Be convenient to combination, and after combination, each loop has independently manual breaking function.Without control loop connector, adopt space flight spring needle, without centering problem, non-jitter, gold-plated non-oxidation.Power line connects follower, adopts follower, avoid vibration during breaker actuation to cause damage to high-voltage connector in modular feeding switch between the contact pin of circuit breaker and housing plug.
This mine flameproof and intrinsic safety type modular permanent magnetism feeding switch adopts integrated design, and the protective circuit plate of circuit breaker and mechanical part all unite two into one, and changes simple, easy care.
The little breaking capacity of this mine flameproof and intrinsic safety type modular permanent magnetism feeding switch volume is strong, due to three groups independently permanent magnet mechanism be not coaxial, design three-phase manual machinery separating brake function, machine driving is complicated, duty ratio is huge, cause mechanical breakdown point to increase, lose modular advantage, still adopt capacitance energy storage brake separating mechanism to substitute former armstrong's patent brake separating mechanism.
This mine flameproof and intrinsic safety type modular permanent magnetism feeding switch device adopt two cover independent capacitance energy-storage system realize one with, one standby, guarantee breaker open operation safety release.The on-the-spot state of emergency uses, if power failure of breaker is non-shut-brake, guarantees in 24 hours without electric manual brake separating.
In this mine flameproof and intrinsic safety type modular permanent magnetism feeding switch during breaker open operation, during the fault such as the adhesion of vacuum tube contact occurs, puncture, namely this switch sends jumps onto a grade switch command, and after having a power failure, module exits maintenance.
This mine flameproof and intrinsic safety type modular permanent magnetism feeding switch arranges three road drawing-out mechanisms: when feeding switch needs repairing, circuit breaker input side is charged, under the out-of-work state in output load side, after switch circuit breaking outside explosion-proof chamber, with specific purpose tool, the circuit breaker in explosion-proof chamber is exited, leave main circuit safe distance, could open the door.Guarantee to open the door and maintenance safety.When running status or power transformer there are not power-off, the circuit breaker in chamber cannot exit by specific purpose tool.
Accompanying drawing explanation
Fig. 1 is the stereogram of a kind of mine flameproof and intrinsic safety type modular of the invention permanent magnetism feeding switch.
Fig. 2 is a kind of shown in Fig. 1 front view of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch.
Fig. 3 is a kind of shown in Fig. 1 structural representation of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch.
Fig. 4 be shown in Fig. 3 in there is the close-up schematic view advancing drawing-out mechanism part.
Fig. 5 is the structural representation of middle conversion equipment shown in Fig. 3.
Fig. 6 is the structural representation of middle blocking mechanism shown in Fig. 3.
Fig. 7 is the cutaway view of blocking mechanism shown in Fig. 6.
Fig. 8 is the structural representation of the integral piece of Z-type shown in Fig. 3.
Wherein: 1-flame proof shell, the main chamber of 11-, 12-wire connection cavity, 13-abutted flange, 14-main circuit entrance bell, 15-controls and communicating circuit line horn mouth, 16-main circuit outlet wire speaker mouth, 17-pry bracket base, 18-channel-section steel, 19-round steel, 2-Qianmen, 3-modular feeding switch, 31-control section, the quiet spring needle stand of 32-, 33-moves spring needle stand, 34-groove, 4-conversion equipment, 41-stand, 42-rotating shaft, 43-change over switch, 44-handler, 45-housing, 46-eccentric wheel, 47-support, 48-latch plate, 49-limiting plate, 410-fixed head, 5-advances drawing-out mechanism, 51-steel bushing, 52-pull bar, 53-spanner, 54-limit spring, 55-protects cap bag, 6-blocking mechanism, 61-lock housing, 62-locking key, 63-dead bolt, 64-guide vane end stop, 65-roller, 66-spring I, 67-ramped shaped flange, 68-spring II, 69-catch, 610-mounting panel I, 611-mounting panel II, 612-backplate, 613-roller shaft, 614-lock, 7-propulsive mechanism, 71-screw rod, 8-module frame, 81-static contact structure assembly, 9-Z type integral piece, 91-screens part, 92-limit part, 93-mounting portion
Embodiment
A kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch (being called for short " switch ") as Figure 1-3, there is flame proof shell 1, upper and lower two chambers are divided in flame proof shell 1, be respectively and be positioned at the main chamber 11 of below for placement module formula feeding switch, be positioned at top for placing the wire connection cavity 12 of line terminal, position corresponding with main chamber 11 on front side of flame proof shell 1 is provided with Qianmen 2, and this Qianmen adopts quick opening structure.Be provided with abutted flange 13 on the right side of the position of the corresponding wire connection cavity of flame proof shell 1, left side is provided with main circuit entrance bell 14, and front side is provided with control and communicating circuit line horn mouth 15, and rear side is provided with main circuit outlet wire speaker mouth 16.When this switch is for combining, the replaceable one-tenth abutted flange 13 of the main circuit entrance bell 14 on the left of wire connection cavity 12.
Be provided with module frame 8 in the main chamber 11 of flame proof shell 1, the rear side of main chamber 11 inner module framework 8 is provided with static contact structure assembly 81, and the top of module frame 8 is provided with propulsive mechanism 7, and propulsive mechanism 7 drives modular feeding switch 3 movable in module frame 8; Be convenient to modular feeding switch 3 and disconnect the connection with main circuit fast.
The control section of modular feeding switch 3 has quiet spring needle stand 32 and spring needle stand 33 of moving, propulsive mechanism 7 has screw rod 71 as shown in Figure 4, one end of screw rod 71 extends to direction, Qianmen 2, spring needle stand 33 of moving is crossed on one end of screw rod 71, the move top of spring needle stand 33 is provided with the conversion equipment 4 that be connected detachable with module frame 8, conversion equipment 4 comprises Tai Zhen mechanism and is connected with spring needle stand 33 of moving for change over switch 43, the Tai Zhen mechanism of control loop break-make as shown in Figure 5.Conversion equipment 4 is fixed on module frame 8 by stand 41, change over switch 43 is arranged on the side of stand 48, the opposite side of stand 48 is provided with handler 44, rotating shaft 42 is provided with between handler 44 and change over switch 43, lift pin organization establishes in rotating shaft 42, by handler 44 rotating shaft 42, change over switch 43 does switching regulator work by the rotation of rotating shaft 42, move spring needle stand 33 by Tai Zhen mechanism along with the rotation of rotating shaft 42 do relative to quiet spring needle stand 32 lower on move both vertically.Tai Zhen mechanism comprises the eccentric wheel 46 be arranged in rotating shaft 42, be arranged on the housing 45 on eccentric wheel 46 and the guide rail being arranged on stand 41 down either side, the detachable below being fixedly mounted on housing 45 of spring needle stand 33 of moving, the move both sides of spring needle stand 33 coordinate with guide rail respectively, rotary motion handle 44, eccentric wheel 46 does tangential motion in housing 45, spring needle stand 33 of moving do under the acting in conjunction of housing 35 and guide rail relative to quiet spring needle stand 32 lower on move both vertically.By conversion equipment 4, the change over switch 43 being used for control loop and the mechanism that is used for control protection electric circuit break-make are united two into one; by coordinating of rotating shaft 42 and Tai Zhen mechanism; the spring needle stand 33 that makes to move moves up and down to realize, with the joint weldment of the pass of quiet spring needle stand 32, conjunction state and protective circuit, meanwhile to drive change over switch 43.Make the work that can be realized flame proof shell 1 Nei Liangzhong mechanism by a handler 44, not only reach the object of efficient disjunction, also greatly save the usage space in flame proof shell 1, reduce the volume of flame-proof type feeding switch, promote its modularization.Tai Zhen mechanism adopts eccentric wheel 46 to control the switching movements stroke of tripping spring needle stand 33 and quiet spring needle stand 32, and structure is simple, safe and reliable.Preferably, stand 41 is also provided with support 47, described support 47 is provided with end face bearing, and end face bearing holder (housing, cover) is located in rotating shaft 42.Preferably the opposite side of stand 41 is also provided with the both sides that two limiting plates, 49, two limiting plates 49 are separately positioned on handler 44, and handler 44 can only do 180 degree of rotations under the restriction of limiting plate 49.
The below of stand 41 has fixed head 410, fixed head 410 is connected by fastening type structure with module frame 8, fastening type structure is Z-type integral piece 9 as shown in Figure 8, be divided into screens part 91 successively, limit part 92 and mounting portion 93, screens part 91 and fixed head 410 clamping effect, limit part 92 limits the degree of depth of fixed head 410 clamping, mounting portion 93 is provided with screw, and Z-type integral piece 9 is fixed on module frame 8 by the screw of mounting portion 93.The alternative detachable connection of existing bolt of fastening type structure connection or welded type is adopted to be fixedly connected with, by reducing the space of construction bolt, to reach the object reducing flame proof shell inner space, thus realize the modularization of whole flame-proof type feeding switch, not only greatly reduce the volume of flame-proof type feeding switch, also there is the advantage of being convenient to transport and dismantle simultaneously, facilitate staff to safeguard and overhaul.Fastening type structure is Z-type integral piece 9, structure is simple, cost is low, carry out quick plece-cliped type by the screens part 91 in Z-type integral piece 9 with the part of removable part to be connected, increase work efficiency, carried out the restriction of the screens degree of depth by limit part 92 pairs of packaged type parts, ensure the positional precision of each part.Z-type integral piece 9 is fixed on module frame 8 by the screw of mounting portion, in advance Z-type integral piece 9 is arranged on pre-set position, is carrying out the installation of other parts, saves the operating time of installing.Fastening type structure, as the assembling of integral piece integral production, saves manufacturing procedure, reduces tie point, increases the steadiness of each parts.
The position corresponding with screw rod 71, Qianmen 2 is provided with for break-make modular feeding switch and the propelling drawing-out mechanism 5 be connected between major loop; This propelling drawing-out mechanism 5 comprises and runs through Qianmen 2 and the steel bushing 51 affixed with Qianmen 2 as shown in Figure 4, copper sheathing with steel bushing 51 stationary fit in steel bushing 51 is set, move with copper sheathing the pull bar 52 coordinated in copper sheathing, one end of pull bar 52 extends to outside Qianmen 2, the other end of pull bar 52 to extend to inside Qianmen 2 and connects spanner 53, and spanner 53 acts on an end of screw rod 71.One end on pull bar 52 outside Qianmen 2 is provided with annular stop platform, the inwall of steel bushing 51 and the end face of copper sheathing form an annular table terrace, be provided with limit spring 54 between annular stop platform and annular table terrace, pull bar 52 is slidably matched along the axis of copper sheathing 51 and the inwall of copper sheathing 51.Advance drawing-out mechanism 5 also to comprise protection cap bag 55, one end that steel bushing 51 is placed in outside Qianmen 2 is provided with external screw thread, and protection cap bag 55 is connected with steel bushing 51 by the external screw thread on steel bushing 51.Spring needle stand 33 of preferably moving has a groove 34, between one end of screw rod 711 and spanner 53, there is certain distance, one end of screw rod 71 is placed in groove 34, housing 45 and move between spring needle stand 33 and be provided with latch plate 48, latch plate 48 is L-type, there is side plate I and side plate II, side plate I is arranged on housing 45 and moves between spring needle stand 33, side plate II extends vertically downward to the direction of spring needle stand 33 of moving, when spring needle stand 33 of moving closes with quiet spring needle stand 32, side plate II is between spanner 53 and an end of screw rod 71, when spring needle stand 33 of moving is separated with quiet spring needle stand 32, side plate II is along with spring needle stand 33 of moving moving the end abdicating screw rod 71.By advancing drawing-out mechanism 5 and screw rod 71 to act on, making staff can carry out advancing and exiting effect by the feeding switch that can be opposite in flame proof shell 1 in the outside of flame proof shell 1, ensureing staff's personal safety.Rotate screw rod 71 by the spanner 53 on pull bar 52, complete connection and the disconnection of circuit breaker and main circuit in modular feeding switch 3, after circuit breaker is fallen back on safe distance in main chamber, then open Qianmen 2.Even if exit or adhesion of breaking down in progradation explosion caused, its feeding switch is also in the cavity of flame proof shell 1, is hedged off from the outer world, and gives full play to the effect of flame proof shell 1, ensure worker safety.Housing 45 in Tai Zhen mechanism and move between spring needle stand 33 latch plate 48 is set, under the spring needle stand 33 that makes only to move is in (i.e. separating brake) state that quits work, latch plate 48 is moved along with on spring needle stand 33 of moving, blocking modular feeding switch 3 could be removed, modular feeding switch 3 could be removed, avoid modular feeding switch 3 under working, people exits the danger causing electric accident.No person's feeding switch in working order under, locked by latch plate and 48 surely can not exit motion to it.
Qianmen 2 inwall lower edge is provided with for limiting the blocking mechanism 6 opened at Qianmen.This blocking mechanism 6 comprises lock housing 61 as shown in fig. 6-7, the locking key 62 and dead bolt 63 that are flexibly connected with lock housing 61 is provided with in lock housing 61, the activity direction of locking key 62 is consistent with the activity direction of modular feeding switch 3 in flame proof shell 1, locking key 62 coordinates with dead bolt 63, when locking key 62 is moved in lock housing 61, dead bolt 63 moves in lock housing 61, and Qianmen 2 can be opened; When locking key 62 is moved outside lock housing 61, dead bolt 63 stretches out and Qianmen 2 and flame proof shell 1 is pinned outside lock housing 61.Lock housing 61 is provided with guide vane end stop 64, and dead bolt 63 is set on guide vane end stop 64, and one end of dead bolt 63 is provided with roller shaft 613, and roller shaft 613 is provided with roller 65, and the other end of dead bolt 63 is ramp shaped, spring I 66 is provided with between the other end of guide vane end stop 64 and dead bolt 63, the direction of motion of locking key 62 is vertical with the direction of motion of dead bolt 63, the tail end of described locking key 62 is provided with a ramped shaped flange 67, described ramped shaped flange 67 coordinates with roller 65, the below of ramped shaped flange 67 is provided with spring II 68, one end of spring II 68 is connected with the tail end of locking key 62, the other end of spring II 68 is connected with catch 69, described catch 69 is oppositely arranged with guide vane end stop 64, distance between locking key 62 and modular feeding switch 3 is L, described L is not less than the safe distance that modular feeding switch 3 departs from main circuit completely, 50mm < L≤60mm.Ensure that modular feeding switch 3 just can open Qianmen 2 after exiting backbone safe distance.Avoid circuit breaker in feeding switch under working by this blocking mechanism 6, people exits the danger causing electric accident.By coordinating of locking key in blocking mechanism 62 and dead bolt 63, can ensure modular feeding switch 3 do not depart from completely main circuit or not completely power-off time, staff cannot open Qianmen 2, fully confirms the safety of staff.Solve modular feeding switch 3 in flame proof shell 1 cavity, staff cannot judge the defect of its whether complete power-off, avoid and produce electric fault not to ignite the danger of the blast such as mine methane, coal dust because the circuit breaker in modular feeding switch 3 departs from main circuit electric clearance, provide safety guarantee to maintenance personal.The activity direction of locking key 62 is consistent with the activity direction of modular feeding switch 3 in flame proof shell 1 inner chamber, the locking key 62 in blocking mechanism 6 is clashed into during certain distance after making modular feeding switch 3 depart from main circuit, locking key 62 acts on dead bolt 63 when bouncing back in lock housing 61, dead bolt 63 also moves in lock housing 61 simultaneously, and Qianmen 2 is in can opening.If the modular feeding switch 3 in flame proof shell 1 does not depart from main circuit completely, then modular feeding switch 3 cannot strike locking key 62, therefore Qianmen 2 is closed being in and the state locked under the existence of blocking mechanism 6, flame proof shell 1 is made to have given full play to the function of its flame proof, the personal safety of safeguard work personnel, makes staff depart from potential safety hazard.
Lock housing 61 is also provided with latch-up protection mechanism; described latch-up protection mechanism has mounting panel I 610 and mounting panel II 611; mounting panel I 610 and mounting panel II 611 are arranged on the both sides of lock housing 61 respectively; backplate 612 is flexibly connected between mounting panel I 610 and mounting panel II 611; when described backplate 612 acts on locking key 62; locking key 62 is in retracted state in lock housing 61, and when backplate 612 is separated with locking key 62, locking key 62 is in and does well to lock housing 61 is overhanging.Prevent flame proof shell 1 to be unkitted modular feeding switch 3 and close the misoperation at Qianmen.When modular feeding switch 3 is unkitted in main chamber 11, rotate backplate 612, backplate 612 and locking key 62 are acted on, compression locking key 62 (dead bolt 63 is return in lock housing 61) unlocking, prevents misoperation.Preferably, blocking mechanism 6 also comprises lock 614, and lock 16 is arranged on the lower inside at Qianmen 2, and blocking mechanism 6 is arranged in lock 614.
This mine flameproof and intrinsic safety type modular permanent magnetism feeding switch, the bottom of its flame proof shell 1 is provided with pry bracket base 17, pry bracket base is by being arranged on two, the front and back channel-section steel of flame proof shell 1 diapire and the round steel between two channel-section steels forms, and the two ends of round steel are affixed with two channel-section steels respectively.This pry bracket base 17 facilitates the location of Flameproof intrinsically safe modular feeding switch and levelling, is fixed by the channel-section steel of adjacent pry bracket base, for the fastness of packet type switch provides safeguard during combination by connecting plate.
Claims (10)
1. a mine flameproof and intrinsic safety type modular permanent magnetism feeding switch, it is characterized in that, there is flame proof shell, upper and lower two chambers are divided in flame proof shell, be respectively and be positioned at the main chamber of below for placement module formula feeding switch, be positioned at top for placing the wire connection cavity of line terminal, on front side of described flame proof shell, the position corresponding with main chamber is provided with Qianmen, module frame is provided with in described main chamber, the rear side of main chamber inner module framework is also provided with static contact structure assembly, the top of module frame is provided with propulsive mechanism, propulsive mechanism drives modular feeding switch movable in module frame, the control section of modular feeding switch has quiet spring needle stand and spring needle stand of moving, described propulsive mechanism has screw rod, one end of screw rod extends to direction, Qianmen, described spring needle stand of moving is crossed on one end of screw rod, the move top of spring needle stand is provided with the conversion equipment that be connected detachable with module frame, described conversion equipment comprises Tai Zhen mechanism and the change over switch for control loop break-make, and described Tai Zhen mechanism is connected with spring needle stand of moving, the position corresponding with screw rod, described Qianmen is provided with for break-make modular feeding switch and the propelling drawing-out mechanism be connected between major loop, the blocking mechanism that Qianmen inwall lower edge is opened for limiting Qianmen.
2. a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch according to claim 1, it is characterized in that, abutted flange is provided with on the right side of the position of the corresponding wire connection cavity of described flame proof shell, left side is provided with main circuit entrance bell, front side is provided with control and communicating circuit line horn mouth, and rear side is provided with main circuit outlet wire speaker mouth.
3. a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch according to claim 1, it is characterized in that, described conversion equipment is fixed on module frame by stand, change over switch is arranged on the side of stand, the opposite side of stand is provided with handler, rotating shaft is provided with between handler and change over switch, described pin organization establishes of lifting is in rotating shaft, by handler rotating shaft, change over switch does switching regulator work by the rotation of rotating shaft, move spring needle stand by Tai Zhen mechanism along with the rotation of rotating shaft do relative to quiet spring needle stand lower on move both vertically.
4. a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch according to claim 3, it is characterized in that, described Tai Zhen mechanism comprises the eccentric wheel be arranged in rotating shaft, be arranged on the housing on eccentric wheel and the guide rail being arranged on stand down either side, the described detachable below being fixedly mounted on housing of spring needle stand of moving, the move both sides of spring needle stand coordinate with guide rail respectively, rotary motion handle, eccentric wheel does tangential motion in housing, spring needle stand of moving do under the acting in conjunction of housing and guide rail relative to quiet spring needle stand lower on move both vertically, the below of described stand has fixed head, described fixed head is connected by fastening type structure with module frame, fastening type structure is Z-type integral piece, be divided into screens part successively, limit part and mounting portion, screens part and fixed head clamping effect, the degree of depth of limit part restriction fixed head clamping, mounting portion is provided with screw, Z-type integral piece is fixed on module frame by the screw of mounting portion.
5. a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch according to claim 4, it is characterized in that, described propelling drawing-out mechanism comprises and runs through Qianmen and the steel bushing affixed with Qianmen, to arrange in steel bushing and with the copper sheathing of steel bushing stationary fit, to run through in copper sheathing and to move with copper sheathing the pull bar coordinated, one end of described pull bar extends to outside Qianmen, and the other end of pull bar to extend to inside Qianmen and connects spanner, and described spanner acts on an end of screw rod.
6. a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch according to claim 5, it is characterized in that, described spring needle stand of moving has a groove, between one end of described screw rod and spanner, there is certain distance, one end of described screw rod is placed in groove, described housing and move between spring needle stand and be provided with latch plate, described latch plate is L-type, there is side plate I and side plate II, side plate I is arranged on housing and moves between spring needle stand, side plate II extends vertically downward to the direction of spring needle stand of moving, move spring needle stand and quiet spring needle stand when closing, side plate II is between spanner and an end of screw rod, when spring needle stand of moving is separated with quiet spring needle stand, side plate II is along with spring needle stand of moving moving the end abdicating screw rod.
7. a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch according to claim 4, it is characterized in that, described blocking mechanism comprises lock housing, the locking key and dead bolt that are flexibly connected with lock housing is provided with in lock housing, the activity direction of described locking key is consistent with the activity direction of modular feeding switch in flame proof shell, and described locking key coordinates with dead bolt, when locking key is moved in lock housing, dead bolt moves in lock housing, and Qianmen can be opened; When locking key is moved outside lock housing, dead bolt stretches out and is pinned in Qianmen and flame proof shell outside lock housing.
8. a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch according to claim 7, it is characterized in that, described lock housing is provided with guide vane end stop, described lock bolt sleeve is located on guide vane end stop, one end of dead bolt is provided with roller shaft, and roller shaft is provided with roller, and the other end of dead bolt is ramp shaped; Spring I is provided with between guide vane end stop and the other end of dead bolt, the direction of motion of described locking key is vertical with the direction of motion of dead bolt, the tail end of described locking key is provided with a ramped shaped flange, described ramped shaped flange coordinates with roller, the below of ramped shaped flange is provided with spring II, one end of spring II is connected with the tail end of locking key, the other end of spring II is connected with catch, described catch and guide vane end stop are oppositely arranged, distance between locking key and modular feeding switch is L, and described L is not less than the safe distance that modular feeding switch departs from main circuit completely.
9. a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch according to claim 8; it is characterized in that; described lock housing is also provided with latch-up protection mechanism; described latch-up protection mechanism has mounting panel I and mounting panel II; mounting panel I and mounting panel II are arranged on the both sides of lock housing respectively; backplate is flexibly connected between mounting panel I and mounting panel II; when described backplate and locking key effect; locking key is in retracted state in lock housing; when backplate is separated with locking key, locking key is in and does well to lock housing is overhanging.
10. according to the arbitrary described a kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch of claim 1-9, it is characterized in that, the bottom of described flame proof shell is provided with pry bracket base, described pry bracket base is by being arranged on two, the front and back channel-section steel of flame proof shell diapire and the round steel between two channel-section steels forms, and the two ends of round steel are affixed with two channel-section steels respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520463499.XU CN204706508U (en) | 2015-06-29 | 2015-06-29 | A kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch |
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| CN201520463499.XU CN204706508U (en) | 2015-06-29 | 2015-06-29 | A kind of mine flameproof and intrinsic safety type modular permanent magnetism feeding switch |
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| CN204706508U true CN204706508U (en) | 2015-10-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916489A (en) * | 2015-06-29 | 2015-09-16 | 温州侨融电子科技有限公司 | Mine flame-proof intrinsically safe modular permanent magnet feeder switch |
| CN115565812A (en) * | 2022-10-25 | 2023-01-03 | 电光防爆科技股份有限公司 | Mining explosion-proof and intrinsically safe vacuum feeder switch with low-voltage permanent magnet mechanism |
-
2015
- 2015-06-29 CN CN201520463499.XU patent/CN204706508U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916489A (en) * | 2015-06-29 | 2015-09-16 | 温州侨融电子科技有限公司 | Mine flame-proof intrinsically safe modular permanent magnet feeder switch |
| CN104916489B (en) * | 2015-06-29 | 2017-01-18 | 温州侨融电子科技有限公司 | Mine flame-proof intrinsically safe modular permanent magnet feeder switch |
| CN115565812A (en) * | 2022-10-25 | 2023-01-03 | 电光防爆科技股份有限公司 | Mining explosion-proof and intrinsically safe vacuum feeder switch with low-voltage permanent magnet mechanism |
| CN115565812B (en) * | 2022-10-25 | 2023-11-07 | 电光防爆科技股份有限公司 | Mining explosion-proof and intrinsically safe vacuum feed switch for low-voltage permanent magnet mechanism |
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