CN110265899A - A kind of dust-proof power transformation box - Google Patents

Abstract

The invention belongs to the dust-proof fields of power transformation box, more particularly to a kind of dust-proof power transformation box, it includes power transformation box, air inlet mechanism, air draft mechanism, and wherein air inlet mechanism and air draft mechanism are separately mounted at air inlet and exhaust outlet on power transformation box；Air inlet mechanism and air draft mechanism in the present invention can increase power transformation box intake velocity and ventilation velocity at nominal conditions, to greatly increase the radiating rate and radiating efficiency of power transformation box；Air inlet mechanism and air draft mechanism all have the function to self-dedusting.

Description

A kind of dust-proof power transformation box

Technical field

The invention belongs to the dust-proof fields of power transformation box, more particularly to a kind of dust-proof power transformation box.

Background technique

Traditional transformer power transformation box is in outdoor state, and the internal electrical equipment installed or electrical component are by being distributed in Conventional vents on transformer power transformation box radiate；Traditional transformer power transformation box does not have dust-extraction unit；Transformer becomes Electronic box works under the more environment of dust, and many dusts can be entered in transformer power transformation box by ventilation opening, and by with quiet The electrical component absorption of electricity, the heat dissipation effect so as to cause electrical component or electrical equipment is poor, is adsorbed on electrical component Dust be easy to cause electrical component or electrical equipment to break down.The present invention designs the dust-proof power transformation box solution of one kind and as above asks Topic.

Summary of the invention

To solve drawbacks described above in the prior art, the present invention discloses a kind of dust-proof power transformation box, it is using following skill Art scheme is realized.

In the description of the present invention it should be noted that the indicating positions such as term "inner", "outside", "upper", "lower" or position Set relationship be orientation based on the figure or positional relationship or the invention product using when the orientation usually put or Person's positional relationship, it is only for convenient for the description present invention and simplify description, rather than the equipment or member of indication or suggestion meaning Part must have a particular orientation, be constructed or be operated with specific orientation, therefore be not considered as limiting the invention.This Outside, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.

A kind of dust-proof power transformation box, it is characterised in that: it includes power transformation box, air inlet mechanism, air draft mechanism, wherein air inlet fan Structure and air draft mechanism are separately mounted at air inlet and exhaust outlet on power transformation box.

Above-mentioned air inlet mechanism includes square tube A, support bar, strainer A, expansion plate A, transmitting A, spring A, transmitting B, spring B, thumb wheel, transmission shaft, motor A, cone tooth combine B, fan A, shift plate B, shift plate A, and wherein square tube A is mounted on power transformation box air inlet Place；Strainer A of the several layers with denaturation ability be installed between two be distributed in square tube A support bar symmetrical above and below, two Support bar is along camber line towards or away from moving；Two transmitting As of the symmetrical vertical sliding in two sidewalls in square tube A pass through solid respectively Expansion plate A even is hinged at the support bar for being distributed in top in square tube A；It is fitted on each transmitting A and it is resetted Spring A；Two transmitting Bs of the symmetrical vertical sliding in two sidewalls in square tube A pass through connected expansion plate B respectively and are distributed in The support bar of lower section is hinged in square tube A；The spring B resetted to it is fitted on each transmitting B；Installation in square tube A There is transmission shaft, and transmission shaft is perpendicular to the length direction of square tube A；Thumb wheel there are two being symmetrically installed on transmission shaft, each thumb wheel position Between the transmitting A in square tube A in respective side walls and transmitting B；It is circumferential on the outer cylinder of each thumb wheel to be evenly spaced apart Several shift plate B are distributed with, and if several shift plate B on each thumb wheel and corresponding transmitting A side vertical be evenly spaced on Several shift plate A cooperation that dry shift plate A and corresponding transmitting B side vertical are evenly spaced on.

Motor A is installed, motor A output shaft combines the input shaft of B with the cone tooth being mounted in square tube A on square tube A inner wall The output shaft of transmission connection, cone tooth combination B is overlapped with the center line of square tube A, and the output shaft end for boring tooth combination B is equipped with wind Fan A；Fan A is located between strainer A and cone tooth combination B；Single retarded is sequentially connected between transmission shaft and motor A output shaft.

Said exhaust mechanism include square tube B, support frame, strainer B, elastomer block, transmitting C, motor B, fan B, spring C, It bores tooth and combines C, wherein square tube B is mounted at the exhaust outlet of power transformation box；The support frame for being internally provided with several layers strainer B is packed in In the outside nozzle of square tube B；The transmitting C that level is slided in the same direction there are two being distributed vertically on unilateral wall in square tube B, and two The single sliding amplitude for transmitting a C is different；The end of each transmitting C is fitted with the elastomer block with the cooperation of support circle face； The spring C resetted to it is fitted on each transmitting C；Motor B is installed in square tube B, output shaft and is mounted on square tube B The input shaft transmission connection of interior cone tooth combination C；Bore wire side of the output shaft perpendicular to strainer B of tooth combination C；Bore tooth combination C's Output shaft end is equipped with fan B, and fan B is located between cone tooth combination C and support frame；The output shaft of motor B passes through a series of Be sequentially connected unidirectional drive two transmitting C horizontal movements.

As the further improvement of this technology, the both ends of each above-mentioned support bar are symmetrically installed there are two arc guide block, and The arc guide block at each support bar both ends is slided on respectively in the arc guide barrel in square tube A in respective side walls, support bar both ends The cooperation of arc guide block and two arc guide barrels of two sides is so that support bar subtracts while arcuately guide groove direction moves toward one another The outlet of the small air through filter screen A, improves the speed of the air through filter screen A to a certain extent, to improve from strainer A The air of upper process takes away the ability of the dust on strainer A；Symmetrically there are two guide rail A for installation in two side walls in square tube A, often The trapezoidal guide groove A being parallel to each other there are two all being opened vertically on a guide rail A；It is fitted with trapezoidal guide block A on each transmitting A, often Trapezoidal guide block B is fitted on a transmitting B；Ipsilateral transmitting A and transmitting B vertical sliding are in ipsilateral in square tube A Guide rail A on, and transmit an A on trapezoidal guide block A and transmitting B on trapezoidal guide block B difference vertical sliding in same side rail A On two trapezoidal guide groove A in.The cooperation of trapezoidal guide groove A and trapezoidal guide block A and trapezoidal guide block B exists to transmitting A and a transmitting B Vertical motion on square tube A inner sidewall plays positioning and guiding effect.

As the further improvement of this technology, above-mentioned transmission shaft is mounted on square tube A by the fixing seat A of bearing fit therewith In；Cone tooth combination B is installed by the fixing seat I cooperated with its bearing of input shaft and the fixing seat H cooperated with its output shaft bearing In square tube A；Cone tooth combination A passes through the fixing seat B cooperated with its output shaft bearing and the fixation cooperated with its bearing of input shaft Seat C is mounted in square tube A；One-way clutch A is installed on the output shaft of cone tooth combination A, the outer ring of one-way clutch A is equipped with Gear B；Gear B is engaged with the gear A being mounted on transmission shaft；Retarder is mounted in square tube A by fixing seat D, retarder Output shaft with cone tooth combine A input shaft transmission connection；The input shaft of retarder and the fixing seat E axis being mounted in square tube A Hold cooperation；Gear C is installed, and gear C is engaged with the gear D being mounted on fixing seat E on the input shaft of retarder, gear D Positioned at the top of gear C；The output shaft of motor A and fixing seat E bearing fit are equipped on motor A output shaft and engage with gear D Gear E.Fixing seat E provides supporting point for the output shaft of motor A, avoids motor A when encountering larger vibration, output shaft band Relative motion by a relatively large margin occurs for the transmission parts in dynamic motor A, to avoid the transmission parts in motor A in relative motion It is damaged in the larger situation of amplitude.

It is slided as the further improvement of this technology, in above-mentioned square tube B there are two being distributed vertically on the side wall for having transmitting C Level slides on two guide rail B respectively by guide rail B, two transmitting C；It is fitted with trapezoidal guide block C on each transmitting C, often Trapezoidal guide block C on a transmitting item is slided in the trapezoidal guide groove B on respective track B.Trapezoidal guide block C and trapezoidal guide groove B's matches It closes and positioning and guiding effect is played along the movement of square tube B inner sidewall to transmitting C.

As the further improvement of this technology, above-mentioned cone tooth combination C by the fixing seat H that cooperates with its output shaft bearing and It is mounted in square tube B with the fixing seat I of its bearing of input shaft cooperation.

As the further improvement of this technology, one-way clutch B, one-way clutch are installed on the output shaft of above-mentioned motor B The outer ring of device B is equipped with gear F.

It is vertically-mounted there are four successively meshed gears G in above-mentioned square tube B as the further improvement of this technology, and four A gear G is located between two transmitting C；The gear G of the top cooperates with the tooth plate A being mounted above on transmitting C；It is most lower The gear G at end cooperates with the tooth plate B being mounted on lower section transmitting C；Gear F is engaged with one of gear G.

As the further improvement of this technology, effective length of action and tooth plate B same phase of the above-mentioned tooth plate A with respective gears G It answers effective length of action of gear G different, guarantees that two transmitting C are successively formed twice support frame during Rapid reset It hits, in the case where hitting twice in succession, the dust being adsorbed on strainer B farthest can be shaken off and be arranged by fan B The air-flow of power transformation box is taken away out.

As the further improvement of this technology, in above-mentioned square tube B sliding have it is vertically-mounted on the side wall of transmitting C there are two Fixed plate, and two fixed plates are located at the end of two transmitting C；The spring C being mounted on transmitting C is located at transmitting item The end of C；The one end spring C is connect with the distal end faces of corresponding transmitting C, and the other end is connect with corresponding fixed plate.

As the further improvement of this technology, above-mentioned cone tooth combination A, cone tooth combination B and cone tooth combination C are revolved by two The bevel gears that two of shaft axis 90 degree of angles each other are meshed are constituted.

Strainer A is deformable to be conducive to moving toward one another for two support bars, two support bars move toward one another after practical ventilation Mouth bore reduces, and the air velocity for being actually passed through several layers strainer A can be enhanced and the dust being adsorbed on strainer A is taken out of Air inlet mechanism simultaneously efficiently accomplishes dedusting to air inlet mechanism.

Suitable interval point on transmitting A between adjacent two shift plates B is spaced apart between adjacent two shift plates A on thumb wheel Cloth is suitable, transmits being spaced apart properly between adjacent two shift plates B on a B, guarantees that transmitting A and a transmitting B pass through respectively and stretches Contracting plate A and expansion plate B drives the vibration amplitude of respective support item sufficiently large, so that two support bars drive several layers strainer The jitter amplitude of A is sufficiently large, and the dust being adsorbed on strainer A is shaken off to the maximum extent and the high-speed flow passed through is taken away.

Relative to traditional transformer power transformation box, air inlet mechanism and air draft mechanism in the present invention at nominal conditions can be with Increase power transformation box intake velocity and ventilation velocity, to increase the radiating rate and radiating efficiency of power transformation box；Air inlet mechanism and row Blower structure all has the function to self-dedusting；When needing dedusting, control system controls the motor A and exhaust blower of air inlet mechanism Motor B reversion in structure, so that the fan A reversion synchronous with the fan B in air draft mechanism in air inlet mechanism, so that air inlet mechanism In fan A and air draft mechanism in fan B air draft and air inlet are carried out to power transformation box respectively；During air inlet mechanism air draft, Bending Deformation occurs under the opposite movement in a curve of two support bars for the strainer A in air inlet mechanism, and the deformation of strainer A makes strainer The surface A shrinks or is tensioned, so that the dust for being attached to strainer A wire side is separated with strainer A wire side；Two move toward one another simultaneously Support bar reduce actual circulation filter screen A air-flow outlet, increase to a certain extent the air pressure of internal gas flow into And increasing flow velocity of the air-flow by strainer A when, the air-flow that flow velocity is increased is through filter screen A and the dust separated with strainer A It takes away, so that the dust on strainer A is effectively cleared up；Air draft mechanism by air draught condition conversion be normal air draft state mistake Cheng Zhong, the elastomer blocks on two transmitting C in air draft mechanism are taken up in order of priority the frame to the support frame for being equipped with several layers strainer B Face is hit, and hits vibration so that the dust being attached on strainer B is fallen, the dust fallen is with the fan B in air draft mechanism Air draft and be blown out air draft mechanism, to realize dedusting to air draft mechanism itself；Air inlet mechanism and air draft mechanism are being accelerated In power transformation box while the circulation rate of heat dissipation air, takes offence the heat dissipation entered in power transformation box and effectively filtered, thus most The dust adhered on power transformation box electric elements inside is reduced to limits, and then effectively extends making for power transformation box electric elements inside Use the service life；The dedusting of itself can be realized automatically in air inlet mechanism and air draft mechanism, does not need manually to carry out it disassembly progress clearly Dust is managed, is effectively increased in power transformation box while avoiding damage due to dismantling to power transformation box to electric elements inside The working efficiency of portion's dedusting；In addition, several layers strainer A occurs bending and deformation so that phase during air inlet mechanism is dusted Spacing between two strainer A of neighbour increases, and dust is easier to fall between two neighboring strainer A, convenient for dust from strainer A Smoothly blown away；The configuration of the present invention is simple has preferable using effect.

Detailed description of the invention

Fig. 1 is power transformation box integral perspective schematic diagram.

Fig. 2 is air inlet mechanism diagrammatic cross-section.

Fig. 3 is fixing seat A in air inlet mechanism, transmission shaft, thumb wheel, transmitting A, gear A, gear B, one-way clutch A, consolidates Reservation B and cone tooth combination A cooperate diagrammatic cross-section.

Fig. 4 is square tube A in air inlet mechanism, cone tooth combination A, fixing seat C, retarder and fixing seat D cooperation diagrammatic cross-section.

Fig. 5 is thumb wheel in air inlet mechanism, shift plate A, shift plate B, transmitting A and transmitting B cooperation diagrammatic cross-section.

Fig. 6 is square tube A in air inlet mechanism, support bar, expansion plate A, transmitting A and spring A cooperation diagrammatic cross-section.

Fig. 7 is that square tube A in air inlet mechanism, support bar, expansion plate B, transmitting B, shift plate B, shift plate A, thumb wheel and spring B are matched Close diagrammatic cross-section.

Fig. 8 is square tube A perspective and its diagrammatic cross-section.

Fig. 9 is square tube A, guide rail A, transmitting A, transmitting B and thumb wheel cooperation diagrammatic cross-section.

Figure 10 is transmission cooperation schematic diagram in air inlet mechanism.

Figure 11 is air draft mechanism and its diagrammatic cross-section.

Figure 12 is square tube B in air draft mechanism, support frame, elastomer block, transmitting C, gear F, gear G and one-way clutch B Cooperate diagrammatic cross-section.

Figure 13 be square tube B in air draft mechanism, support frame, elastomer block, transmitting C, gear F, gear G, one-way clutch B, Motor B and guide rail B cooperates diagrammatic cross-section.

Figure 14 is guide rail A and its diagrammatic cross-section.

Figure 15 is air draft mechanism internal drive cooperation schematic diagram.

Figure 16 is guide rail B perspective diagram.

Figure 17 is support bar movement and strainer A deformation rough schematic view.

Figure label title: 1, power transformation box；2, air inlet mechanism；3, air draft mechanism；4, square tube A；5, arc guide barrel；6, it supports Item；7, arc guide block；8, strainer A；9, expansion plate A；10, an A is transmitted；11, trapezoidal guide block A；12, spring A；13, expansion plate B； 14, a B is transmitted；15, trapezoidal guide block B；16, spring B；17, thumb wheel；18, transmission shaft；19, gear A；20, gear B；21, unidirectional Clutch A；23, cone tooth combines A；24, retarder；25, gear C；26, gear D；27, gear E；28, motor A；29, tooth group is bored Close B；30, fan A；31, fixing seat A；32, fixing seat B；33, fixing seat C；34, fixing seat D；35, fixing seat E；36, fixing seat F；37, fixing seat G；38, guide rail A；39, trapezoidal guide groove A；40, shift plate B；41, shift plate A；42, square tube B；43, support frame；44, it filters Net B；45, elastomer block；46, a C is transmitted；47, trapezoidal guide block C；48, guide rail B；49, tooth plate A；50, tooth plate B；51, gear G；52, Gear F；53, one-way clutch B；54, motor B；55, fan B；56, spring C；57, fixed plate；58, trapezoidal guide groove B；59, solid Reservation H；60, fixing seat I；61, cone tooth combines C.

Specific embodiment

Attached drawing is the schematic diagram that the present invention is implemented, in order to understand structure operation logic.Specific product structure and ratio Size is determined according to use environment combination routine techniques.

As shown in Figure 1, it includes power transformation box 1, air inlet mechanism 2, air draft mechanism 3, wherein air inlet mechanism 2 and air draft mechanism 3 It is separately mounted at air inlet and exhaust outlet on power transformation box 1.

As shown in Fig. 2, above-mentioned air inlet mechanism 2 include square tube A4, support bar 6, strainer A8, expansion plate A9, transmitting A10, Spring A12, transmitting B14, spring B 16, thumb wheel 17, transmission shaft 18, motor A28, cone tooth combine B29, fan A30, shift plate B40, shift plate A41, wherein as shown in Figure 1, square tube A4 is mounted on 1 air inlet of power transformation box；It is symmetrical above and below as shown in Fig. 6,8,10 The strainer A8 that several layers have denaturation ability, two 6 edges of support bar are installed between two support bars 6 being distributed in square tube A4 Camber line is towards or away from movement；As shown in Fig. 6,10, symmetrical vertical sliding is in two transmitting A10 points of two sidewalls in square tube A4 The expansion plate A9 that Tong Guo be connected is hinged at the support bar 6 for being distributed in top in square tube A4；Pacify on each transmitting A10 Equipped with the spring A12 resetted to it；As shown in Fig. 7,10, symmetrical vertical sliding is in two transmitting items of two sidewalls in square tube A4 B14 is hinged at by connected expansion plate B13 with the support bar 6 for being distributed in lower section in square tube A4 respectively；Each transmitting B14 On be fitted with the spring B 16 resetted to it；As shown in Figure 2,3, transmission shaft 18 is installed, and transmission shaft 18 is vertical in square tube A4 In the length direction of square tube A4；Thumb wheel 17 there are two being symmetrically installed on transmission shaft 18；As shown in Figures 9 and 10, each thumb wheel 17 is located at Between transmitting A10 in square tube A4 in respective side walls and transmitting B14；As shown in Fig. 5,7, on the outer cylinder of each thumb wheel 17 It is all circumferential to be evenly spaced apart that several shift plate B40 are distributed with, and several shift plate B40 on each thumb wheel 17 and corresponding transmitting A10 Several shift plate A41 and corresponding several groups for transmitting a B14 side vertical and being evenly spaced on that side vertical is evenly spaced on Plate A41 cooperation.

As shown in Fig. 2,10, motor A28 is installed on square tube A4 inner wall, motor A28 output shaft and is mounted in square tube A4 Cone tooth combination B29 input shaft transmission connection；As shown in Fig. 2,10, the output shaft of cone tooth combination B29 and the center of square tube A4 Line is overlapped, and the output shaft end for boring tooth combination B29 is equipped with fan A30；Fan A30 is located at strainer A8 and cone tooth combination B29 Between；Single retarded is sequentially connected between transmission shaft 18 and motor A28 output shaft.

As shown in figure 11, said exhaust mechanism 3 includes square tube B42, support frame 43, strainer B44, elastomer block 45, transmitting item C46, motor B54, fan B55, spring C56, cone tooth combine C61, wherein as shown in Figure 1, square tube B42 is mounted on power transformation box 1 At exhaust outlet；As shown in figure 12, the support frame 43 for being internally provided with several layers strainer B44 is packed in the outside nozzle of square tube B42 It is interior；The transmitting C46 that level is slided in the same direction there are two being distributed vertically as shown in Figure 11,13, on the unilateral wall in square tube B42, and The single sliding amplitude of two transmitting C46 is different；The end of each transmitting C46 is fitted with to be cooperated with 43 frame face of support frame Elastomer block 45；The spring C56 resetted to it is fitted on each transmitting C46；As shown in figure 11, motor B54 is installed on In square tube B42, output shaft combines the input shaft transmission connection of C61 with the cone tooth being mounted in square tube B42；It bores tooth and combines C61 Output shaft perpendicular to strainer B44 wire side；As shown in figure 15, the output shaft end of cone tooth combination C61 is equipped with fan B55, Fan B55 is located between cone tooth combination C61 and support frame 43；The output shaft of motor B54 drives by the way that a series of transmission connections are unidirectional Move two transmitting C46 horizontal movements.

As shown in Fig. 8,10, the both ends of each above-mentioned support bar 6 are symmetrically installed there are two arc guide block 7, and each support The arc guide block 7 at 6 both ends of item is slided on respectively in the arc guide barrel 5 in square tube A4 in respective side walls, the arc at 6 both ends of support bar The cooperation of guide block 7 and two arc guide barrels 5 of two sides is so that support bar 6 subtracts while arcuately 5 direction of guide groove moves toward one another The outlet of the small air through filter screen A8, improves the speed of the air through filter screen A8 to a certain extent, to improve from filter The air passed through on net A8 takes away the ability of the dust on strainer A8；It is symmetrical in two side walls in square tube A4 as shown in Fig. 9,14 Ground installation opens that there are two the trapezoidal guide groove A39 being parallel to each other there are two guide rail A38 vertically on each guide rail A38；Such as Fig. 9,10 It is shown, it is fitted with trapezoidal guide block A11 on each transmitting A10, is fitted with trapezoidal guide block B15 on each transmitting B14；Position In transmitting A10 ipsilateral in square tube A4 and transmitting B14 vertical sliding on ipsilateral guide rail A38, and transmit on an A10 Trapezoidal guide block B15 on trapezoidal guide block A11 and transmitting B14 respectively lead in two on same side rail A38 are trapezoidal by vertical sliding In slot A39.The cooperation of trapezoidal guide groove A39 and trapezoidal guide block A11 and trapezoidal guide block B15 is to transmitting A10 and transmitting B14 in side Vertical motion on cylinder A4 inner sidewall plays positioning and guiding effect.

As shown in Figure 2,3, above-mentioned transmission shaft 18 is mounted in square tube A4 by the fixing seat A31 of bearing fit therewith；Cone Tooth combines B29 and is installed by the fixing seat I60 cooperated with its bearing of input shaft and the fixing seat H59 cooperated with its output shaft bearing In square tube A4；As shown in Figure 3,4, cone tooth combination A23 is inputted by the fixing seat B32 that cooperates with its output shaft bearing and with it The fixing seat C33 of axle bearing cooperation is mounted in square tube A4；As shown in Fig. 3,10, it is equipped on the output shaft of cone tooth combination A23 One-way clutch A21, the outer ring of one-way clutch A21 are equipped with gear B 20；Gear B 20 and the tooth being mounted on transmission shaft 18 Take turns A19 engagement；As shown in Figure 2,4, retarder 24 is mounted in square tube A4 by fixing seat D34, the output shaft of retarder 24 with Bore the input shaft transmission connection of tooth combination A23；The input shaft of retarder 24 is matched with the fixing seat E35 bearing being mounted in square tube A4 It closes；Gear C 25 is installed, and gear C 25 is engaged with the gear D 26 being mounted on fixing seat E35 on the input shaft of retarder 24, Gear D 26 is located at the top of gear C 25；The output shaft of motor A28 and fixing seat E35 bearing fit are pacified on motor A28 output shaft Equipped with 26 meshed gears E27 of gear D.Fixing seat E35 provides supporting point for the output shaft of motor A28, and motor A28 is avoided to exist When encountering larger vibration, output shaft drives the relative motion of transmission parts generation by a relatively large margin in motor A28, to avoid Transmission parts in motor A28 are damaged in the larger situation of relative motion amplitude.

Guide rail there are two being distributed vertically on the side wall for having transmitting C46 is slided as shown in Figure 11,16, in above-mentioned square tube B42 Level slides on two guide rail B48 respectively by B48, two transmitting C46；Trapezoidal guide block is fitted on each transmitting C46 C47, each trapezoidal guide block C47 transmitted on item are slided in the trapezoidal guide groove B58 on respective track B48.Trapezoidal guide block C47 with The cooperation of trapezoidal guide groove B58 plays positioning and guiding effect along the movement of square tube B42 inner sidewall to transmitting C46.

As shown in figure 11, above-mentioned cone tooth combination C61 is inputted by the fixing seat H59 that cooperates with its output shaft bearing and with it The fixing seat I60 of axle bearing cooperation is mounted in square tube B42.

As shown in Figure 11,12, one-way clutch B53, one-way clutch B53 are installed on the output shaft of above-mentioned motor B54 Outer ring gear F52 is installed.

It is as shown in Figure 11,12, vertically-mounted in above-mentioned square tube B42 that there are four successively meshed gears G51, and four gears G51 is located between two transmitting C46；The gear G51 of the top cooperates with the tooth plate A49 being mounted above on transmitting C46； The lowermost gear G51 cooperates with the tooth plate B50 being mounted on lower section transmitting C46；Gear F52 and one of gear G51 Engagement.

As shown in Figure 12,13,15, effective length of action and tooth plate B50 same phase of the above-mentioned tooth plate A49 with respective gears G51 It answers effective length of action of gear G51 different, guarantees two transmitting C46 during Rapid reset successively to 43 shape of support frame At hitting twice, in the case where hitting twice in succession, the dust being adsorbed on strainer B44 farthest can be shaken off and quilt The air-flow of fan B55 discharge power transformation box 1 is taken away.

As shown in Figure 11,12,13, sliding has that vertically-mounted on the side wall of transmitting C46 there are two solid in above-mentioned square tube B42 Fixed board 57, and two fixed plates 57 are located at the end of two transmitting C46；C56, spring be mounted on transmitting C46 In the end of transmitting C46；The one end spring C56 is connect with the distal end faces of corresponding transmitting C46, the other end and corresponding fixed plate 57 connections.

As shown in Figure 10,11, above-mentioned cone tooth combination A23, cone tooth combination B29 and cone tooth combination C61 are rotated by two The bevel gears that two of axis 90 degree of angles each other are meshed are constituted.

As shown in figure 17, strainer A8 is deformable is conducive to moving toward one another for two support bars 6, and two support bars 6 are transported in opposite directions Practical blow vent bore after dynamic reduces, and the air velocity for being actually passed through several layers strainer A8 can be enhanced and being adsorbed in filter Dust on net A8 takes air inlet mechanism 2 out of and efficiently accomplishes the dedusting to air inlet mechanism 2；And between deformed strainer A8 between Away from increase, is conducive to the dust on strainer A8 and falls and be blown away.

As shown in figure 5, being spaced apart properly between adjacent two shift plates A41 on thumb wheel 17, transmits on an A10 adjacent two groups Being spaced apart between plate B40 is suitable, transmits and is spaced apart suitable, guarantee transmitting item between adjacent two shift plates B40 on a B14 A10 and transmitting B14 passes through expansion plate A9 and expansion plate B13 respectively and drives the vibration amplitude of respective support item 6 sufficiently large, in turn So that two support bars 6 drive the jitter amplitude of several layers strainer A8 sufficiently large, to the maximum extent being adsorbed on strainer A8 Dust is shaken off and the high-speed flow passed through is taken away.

Electrical component is installed in power transformation box 1 in the present invention.

Strainer A8 and strainer B44 are all made of the prior art in the present invention.

The effect of one-way clutch A21 is in the present invention, when air inlet mechanism 2 is blown into power transformation box 1, one-way clutch A21 plays the effect of surmounting；In air inlet mechanism 2 to when 1 outer air draft of power transformation box, one-way clutch A21 plays unidirectional drive effect, this When motor A28 drive two thumb wheels 17 to rotate by a series of transmission connections, shift plate A41 on two thumb wheels 17 distinguishes It interacts with the shift plate B40 on corresponding transmitting A10 and transmitting B14 and transmitting A10 and transmitting B14 is driven to transport in opposite directions Dynamic, two transmitting A10 and two transmitting B14 drive arc guide barrel 5 phase of two support bars 6 on square tube A4 inner wall respectively To movement；When thumb wheel 17 drives transmitting A10 and a transmitting B14 moves to the limit, two support bars 6 are just moved to accordingly The extreme position of arc guide barrel 5, the several layers strainer A8 bending deformation being installed between two support bars 6；Due on thumb wheel 17 Being spaced apart between adjacent two shift plates A41 is suitable, transmits and is spaced apart suitable, biography between adjacent two shift plates B40 on an A10 Being spaced apart properly between adjacent two shift plates B40 on a B14 is passed, so the thumb wheel 17 for continuing rotation can be to corresponding transmitting item The shift plate B40 and transmitting B14 the lowermost shift plate B40 of the upper the top A10 are persistently stirred, in spring A12 and spring B 16 Under the action of, the up-down vibration of high frequency, two transmitting A10 and two transmitting items occur repeatedly with transmitting B14 for transmitting A10 B14 drives two support bars 6 that high-frequency vibration repeatedly occurs respectively and strainer A8 is bent and stretches not only but also curved High-frequency vibration repeatedly is taken away so that the dust that is attached on strainer A8 is detached from strainer A8 and is flowed through the high-speed flow of strainer A8.

The effect of one-way clutch B53 is in the present invention, in air draft mechanism 3 to when 1 outer air draft of power transformation box, one-way clutch B53 plays the effect of surmounting；In the air-breathing into power transformation box 1 of air draft mechanism 3, one-way clutch B53 plays unidirectional drive effect, this When motor B54 drive two transmitting C46 to move to separate 43 frame face direction of support frame by a series of transmission connections；Two bullets Property block 45 is rapidly separated support frame 43；Due to tooth plate A49 and tooth plate B50 respectively with effective length of action of respective gears G51 not Together, so two transmitting C46 are after moving to extreme position, the gear G51 persistently rotated persistently stirs tooth plate A49 and tooth plate The end teeth of B50, so that two transmitting C46 are kept away from the position of support frame 43 and substantially motionless；Two transmitting C46 On elastomer block 45 be held essentially constant at a distance from support frame 43 respectively；When air draft mechanism 3 from into power transformation box 1 air-breathing turn to When being vented to outside power transformation box 1, motor B54 is reversely rotated, and motor B54 by cone tooth combination drives fan B55 reversion and to power transformation The outer air draft of case 1, meanwhile, motor B54 output shaft drives the inner ring high speed rotation of one-way clutch B53, because of one-way clutch at this time Device B53 plays the effect of surmounting, so the output shaft of motor B54 drives the inner ring high speed rotation of one-way clutch B53；One-way clutch The inner ring of device B53 not will drive its outer ring synchronous rotary；Under the reset response of two spring C56, two transmitting C46 are driven Corresponding elastomer block 45 is quickly moved to initial position；Two transmitting C46 pass through tooth plate A49 and tooth plate B50 respectively and drive four Gear G51 discovery rotation is rotated with gear F52 meshed gears G51 band moving gear F52 discovery；Gear F52 drives one-way clutch The outer ring of device B53 is rotated with its inner ring；Two elastomer blocks 45 at a distance of 43 different distance of support frame are successively formed fastly support bar 6 Speed is hit and momentary reset, and two elastomer blocks 45 so that the dust on strainer B44 is fallen, fall shocks of support frame 43 vibration Dust by high speed discharge power transformation box 1 air-flow take away, continue while to realize effective dedusting to air draft mechanism 3 to change Electronic box 1 is exhausted.

The interval of air inlet mechanism 2 and air draft mechanism 3 in the present invention is 1~2 day, air inlet mechanism 2 and air draft mechanism 3 Interval controlled by control system, the control of control system uses the prior art.

Workflow of the invention: in original state, the top that an A10 is located at corresponding trapezoidal guide groove A39 is transmitted, item is transmitted B14 is located at the bottom of corresponding trapezoidal guide groove A39, and two support bars 6 are located at the top and bottom in square tube A4, several layers filter Net A8 is in extended position；Two elastomer blocks 45 frame face contact with support frame 43 simultaneously, tooth plate A49 and tooth plate B50 respectively with Respective gears G51 engagement；Two spring C56 are in compressive state, drive elastomer block 45 to hit support frame 43 convenient for transmitting C46 When strength it is sufficiently large, fall dust on strainer B44 convenient for shaking.

When carrying out normal circulation heat dissipation to power transformation box 1, motor A28 fortune synchronous with motor B54 is controlled by control system Row, so that air inlet mechanism 2 and air draft mechanism 3 carry out air-supply and air draft to power transformation box 1 respectively；In air inlet mechanism 2 into power transformation box 1 When air-supply, motor A28 passes through the cone tooth being attached thereto and combines B29 drive fan A30 rotating forward, and fan A30 is sent into power transformation box 1 Wind；Meanwhile the gear E27 being mounted on motor A28 output shaft passes sequentially through gear D 26, gear C 25, retarder 24 and cone tooth The inner ring rotation that A23 drives one-way clutch A21 is combined, one-way clutch A21 plays the effect of surmounting at this time, and inner ring will not band Move the rotation of its outer ring；The outer ring one-way clutch A21 will not drive two thumb wheels 17 by gear B 20, gear A 19 and transmission shaft 18 Rotation, two thumb wheels 17 not will drive corresponding transmitting A10 and transmitting B14 movement, and support bar 6 will not be moved, be filtered Net A8 will not vibrate；At this point, several strainer A8 are filtered the air being sent into power transformation box 1.In air draft mechanism 3 to change When 1 outer air draft of electronic box, motor B54 combines C61 by cone tooth and drives the positive quickly rotation of fan B55, and fan B55 is power transformation box 1 Power transformation box 1 is discharged through strainer B44 in the interior air for carrying heat；Meanwhile motor B54 output shaft drive one-way clutch B53's is interior High speed rotation is enclosed, because one-way clutch B53 plays the effect of surmounting at this time, the inner ring of one-way clutch B53 not will drive The rotation of its outer ring, and then not will drive gear F52 rotation；Gear F52 will not drive two biographies by a series of transmission connections It passs a C46 and generates movement, two elastomer blocks 45 continue to keep and the contact of support frame 43；Air draft mechanism 3 at this time only assists The air that heat is carried in power transformation box 1 is discharged.

After air inlet mechanism 2 and air draft mechanism 3 carry out air-supply and air draft 1~2 day respectively, need to air inlet mechanism 2 and row Strainer A8 and strainer B44 in blower structure 3 are dusted；At this time by control system control air inlet mechanism 2 in motor A28 and Motor B54 inverted running in air draft mechanism 3.

Motor A28 combines B29 by cone tooth and drives fan A30 reversion, and the fan A30 of reversion is to the outer air draft of power transformation box 1；Peace Gear E27 on motor A28 output shaft passes sequentially through gear D 26, gear C 25, retarder 24 and cone tooth combination A23 and drives The rotation of one-way clutch A21 inner ring；Since one-way clutch A21 plays unidirectional drive effect at this time, so its inner ring drives it Outer ring synchronous rotary, the outer ring of one-way clutch A21 pass sequentially through gear B 20, gear A 19 and transmission shaft 18 and drive two thumb wheels 17 rotations；Shift plate A41 on two thumb wheels 17 is respectively acting on corresponding transmitting A10 and transmits the shift plate B40 on a B14, makes It obtains two transmitting A10 and two transmitting B14 and drives arc guide barrel 5 phase of two support bars 6 on square tube A4 inner wall respectively To movement, two spring A12 and two spring Bs 16 are stretched and energy storage, two expansion plate A9 and two expansion plate B13 simultaneously by It gradually extends, two support bars 6 rotate while moving along corresponding two arc guide barrels 5 and around the arc core of arc guide barrel 5, several Different degrees of Bending Deformation occurs under the compressing of two support bars 6 for layer strainer A8；As shift plate A41 on thumb wheel 17 and corresponding biography Pass the shift plate B40 of the top A10 and thumb wheel when accordingly transmitting B14 the lowermost shift plate B40 interacts, persistently rotated 17 persistently stir the shift plate B40 of corresponding transmitting the top A10 and corresponding by several shift plate A41 for being spacedly distributed thereon Transmit B14 the lowermost shift plate B40；Under the action of two spring A12 and two spring B 16, two transmitting A10 and two A transmitting B14 drives two support bars 6 that the high frequency slip repeatedly along corresponding arc guide barrel 5 occurs respectively and leads around corresponding arc 5 arc core reciprocating rotary of slot forms high-frequency reciprocating vibration, and reciprocal relax occurs under the drive of two support bars 6 for several layers strainer A8 It opens up curved deformation and forms high-frequency vibration；The dust being attached on strainer A8 shrinks tight effect in the two sides strainer A8 wire side It issues first portion to fall off, while the reciprocal high-frequency vibration of bending of unfolding of strainer A8 makes the dust being attached on strainer A8 completely de- From strainer A8, the dust to fall off is discharged by the high-speed flow through filter screen A8, to realize the dedusting to air inlet mechanism 2 itself.

At the same time, motor B54 combines C61 by cone tooth and drives fan B55 reversion, and the fan B55 of reversion is to power transformation box 1 Interior air-supply；At this point, one-way clutch B53 plays unidirectional drive effect, motor B54 output shaft is interior by one-way clutch B53's Circle drives its outer ring synchronous rotary；The outer ring of one-way clutch B53 is by gear F52 and four gear G51 respectively with moving tooth plate A49 and tooth plate B50 is moved to the direction far from support frame 43；Tooth plate A49 drives the transmitting C46 of top to far from support frame 43 Direction movement, while tooth plate B50 drives the transmitting C46 of lower section to move to the direction of separate support frame 43；Two elastomer blocks It is detached from support frame 43 under 45 drives for transmitting a C46 at two respectively and the synchronous direction to separate support frame 43 moves, two Spring C56 is stretched and energy storage；Since tooth plate A49 is different with effective length of action of respective gears G51 respectively from tooth plate B50, So two transmitting C46, after moving to extreme position, two elastomer blocks 45 and support frame 43 are at different distances；Lasting rotation The gear G51 turned persistently stirs the end teeth of tooth plate A49 and tooth plate B50, so that two transmitting C46 are kept away from support frame 43 position and it is substantially motionless；Elastomer block 45 on two transmitting C46 is held essentially constant at a distance from support frame 43 respectively.

When air draft mechanism 3 from into power transformation box 1 air-breathing turn to be vented outside power transformation box 1 when, motor B54 reversely rotate, electricity Machine B54 is inverted by cone tooth combination C61 drive fan B55 and to the outer air draft of power transformation box 1, meanwhile, motor B54 output shaft drives single To the inner ring high speed rotation of clutch B53, because one-way clutch B53 plays the effect of surmounting, the output of motor B54 at this time The inner ring high speed rotation of axis drive one-way clutch B53；The inner ring of one-way clutch B53 not will drive its outer ring synchronous rotary； Under the reset response of two spring C56, two transmitting C46 drive corresponding elastomer block 45 quickly to move to initial position；Two A transmitting C46 passes through tooth plate A49 and tooth plate B50 respectively and drives four gear G51 discovery rotations, the tooth engaged with gear F52 Take turns G51 band moving gear F52 discovery rotation；Gear F52 drives the outer ring of one-way clutch B53 to rotate with its inner ring；Two apart The elastomer block 45 of 43 different distance of support frame successively forms fast ram and momentary reset to support bar 6, and two elastomer blocks 45 are right The shock of support frame 43 is vibrated so that the dust on strainer B44 is fallen, and the air-flow band of power transformation box 1 is discharged by high speed for the dust fallen It walks, continues that power transformation box 1 is exhausted while to realize effective dedusting to air draft mechanism 3.

When air inlet mechanism 2 is from when exhaust turns to the air-breathing into power transformation box 1 to outside power transformation box 1, motor A28 is reversely rotated, electricity Machine A28 combines B29 drive fan A30 reversion by cone tooth and blows into power transformation box 1, meanwhile, it is installed on motor A28 output shaft On gear E27 pass sequentially through gear D 26, gear C 25, retarder 24 and cone tooth combination A23 drive one-way clutch A21 it is interior Circle reversion；Since one-way clutch A21 plays the effect of surmounting at this time, so the inner ring of one-way clutch A21 not will drive outside it Circle reversion, outer ring does not constitute obstruction to the reversion of its inner ring；At spring A12 and the reset response of spring B 16, two transmitting A10 and two transmitting B14 interact by the shift plate A41 on shift plate B40 and thumb wheel 17 thereon and drives two groups Wheel 17 reversely rotates, and two thumb wheels 17 pass sequentially through the outer of transmission shaft 18, gear A 19 and the drive of gear B 20 one-way clutch A21 Circle reversely rotates and closely follows the inner ring of one-way clutch A21；Two transmitting A10 drive upper support by two expansion plate A9 6 Rapid reset of item；Two transmitting B14 drive supported underneath item 6 to reset rapidly by two expansion plate B13；Strainer A8 is multiple It restores to the original state under the drive of the support bar 6 of position；Stop motion at once after an A10 and transmitting B14 resets is transmitted, thumb wheel 17 stops Movement, the outer ring of gear A 19, gear B 20 and one-way clutch A21 is stopped rotating；The inner ring of one-way clutch A21 is in motor Continue to rotate relative to its outer ring under a series of drive that A28 passes through transmission connections.

In conclusion beneficial effects of the present invention: air inlet mechanism 2 and air draft mechanism 3 in the present invention are at nominal conditions 1 intake velocity of power transformation box and ventilation velocity can be increased, to increase the radiating rate and radiating efficiency of power transformation box 1；Air inlet fan Structure 2 and air draft mechanism 3 all have the function to self-dedusting；When needing dedusting, control system controls the motor of air inlet mechanism 2 Motor B54 in A28 and air draft mechanism 3 is inverted, so that the fan B55 in the fan A30 and air draft mechanism 3 in air inlet mechanism 2 Reversion is synchronized, so that the fan B55 in the fan A30 and air draft mechanism 3 in air inlet mechanism 2 carries out air draft to power transformation box 1 respectively And air inlet；During 2 air draft of air inlet mechanism, the strainer A8 in air inlet mechanism 2 is under the opposite movement in a curve of two support bars 6 Bend deformation, and the deformation of strainer A8 makes the surface strainer A8 shrink or be tensioned, so that being attached to strainer A8 wire side Dust is separated with strainer A8 wire side；Two support bars 6 moved toward one another reduce the air-flow of actual circulation filter screen A8 simultaneously Outlet increases the air pressure of internal gas flow to a certain extent and then increases flow velocity of the air-flow by strainer A8 when, and flow velocity obtains The air-flow of increase is taken away through filter screen A8 and the dust separated with strainer A8, so that the dust on strainer A8 obtains effectively clearly Reason；In air draft mechanism 3 by two transmitting C46 that air draught condition conversion is in normal air draft state procedure, in air draft mechanism 3 On elastomer block 45 be taken up in order of priority the frame face for the support frame 43 for being equipped with several layers strainer B44 hit, hitting vibration makes The dust that must be attached on strainer B44 is fallen, the dust fallen row of being blown out with the air draft of the fan B55 in air draft mechanism 3 Blower structure 3, to realize the dedusting to air draft mechanism 3 itself；Air inlet mechanism 2 and air draft mechanism 3 are being accelerated to radiate in power transformation box 1 While the circulation rate of air, takes offence the heat dissipation entered in power transformation box 1 and effectively filtered, to reduce to the maximum extent The dust adhered on 1 electric elements inside of power transformation box, and then effectively extend the service life of 1 electric elements inside of power transformation box；Into The dedusting of itself can be realized automatically in blower structure 2 and air draft mechanism 3, does not need manually to carry out dismantling to it to carry out cleaning dust, It effectively increases while avoiding damage due to dismantling to power transformation box 1 to electric elements inside and is removed inside power transformation box 1 The working efficiency of dirt；In addition, several layers strainer A8 occurs bending and deformation so that adjacent during air inlet mechanism 2 is dusted Spacing between two strainer A8 increases, and dust is easier to fall between two neighboring strainer A8, is convenient for dust from strainer A8 On smoothly blown away.

Claims (10)

1. a kind of dust-proof power transformation box, it is characterised in that: it includes power transformation box, air inlet mechanism, air draft mechanism, wherein air inlet mechanism It is separately mounted at air inlet and exhaust outlet on power transformation box with air draft mechanism；

Above-mentioned air inlet mechanism includes square tube A, support bar, strainer A, expansion plate A, transmitting A, spring A, transmitting B, spring B, dials Wheel, transmission shaft, motor A, cone tooth combine B, fan A, shift plate B, shift plate A, and wherein square tube A is mounted on power transformation box air inlet；On Under the strainer A that several layers have denaturation ability, two support bars are installed between two support bars being symmetrically distributed in square tube A Along camber line towards or away from moving；Symmetrical two transmitting As of the vertical sliding in two sidewalls in square tube A pass through connected stretch respectively Contracting plate A is hinged at the support bar for being distributed in top in square tube A；The spring resetted to it is fitted on each transmitting A A；Two transmitting Bs of the symmetrical vertical sliding in two sidewalls in square tube A by connected expansion plate B and are distributed in square tube A respectively The support bar of interior lower section is hinged at；The spring B resetted to it is fitted on each transmitting B；Transmission is installed in square tube A Axis, and transmission shaft is perpendicular to the length direction of square tube A；It is symmetrically installed on transmission shaft there are two thumb wheel, each thumb wheel is located at square tube A Between transmitting A in interior respective side walls and transmitting B；If circumferential on the outer cylinder of each thumb wheel be evenly spaced apart to be distributed with Dry shift plate B, and several shift plate A for being evenly spaced on of several shift plate B on each thumb wheel and corresponding transmitting A side vertical and Several shift plate A cooperation that corresponding transmitting B side vertical is evenly spaced on；

Motor A is installed, motor A output shaft combines the input shaft transmission of B with the cone tooth being mounted in square tube A on square tube A inner wall The output shaft of connection, cone tooth combination B is overlapped with the center line of square tube A, and the output shaft end for boring tooth combination B is equipped with fan A； Fan A is located between strainer A and cone tooth combination B；Single retarded is sequentially connected between transmission shaft and motor A output shaft；

Said exhaust mechanism includes square tube B, support frame, strainer B, elastomer block, transmitting C, motor B, fan B, spring C, cone tooth C is combined, wherein square tube B is mounted at the exhaust outlet of power transformation box；The support frame for being internally provided with several layers strainer B is packed in square tube In the outside nozzle of B；The transmitting C of horizontal sliding, and two transmitting in the same direction there are two being distributed vertically on unilateral wall in square tube B The single sliding amplitude of C is different；The end of each transmitting C is fitted with the elastomer block with the cooperation of support circle face；Each The spring C resetted to it is fitted on transmitting C；Motor B is installed in square tube B, output shaft and is mounted in square tube B Bore the input shaft transmission connection of tooth combination C；Bore wire side of the output shaft perpendicular to strainer B of tooth combination C；Bore the output of tooth combination C Axis shaft end is equipped with fan B, and fan B is located between cone tooth combination C and support frame；The output shaft of motor B passes through a series of transmissions Connect unidirectional drive two transmitting C horizontal movements.

2. the dust-proof power transformation box of one kind according to claim 1, it is characterised in that: the both ends of each above-mentioned support bar are symmetrical There are two arc guide blocks for installation, and the arc guide block at each support bar both ends slides on the arc in square tube A in respective side walls respectively In shape guide groove；There are two being opened vertically on guide rail A there are two symmetrically being installed in two side walls in square tube A, each guide rail A mutually Parallel trapezoidal guide groove A；It is fitted with trapezoidal guide block A on each transmitting A, is fitted with trapezoidal guide block on each transmitting B B；Ipsilateral transmitting A and transmitting B vertical sliding are on ipsilateral guide rail A in square tube A, and transmit trapezoidal on an A Trapezoidal guide block B difference vertical sliding on guide block A and transmitting B is in two trapezoidal guide groove A on same side rail A.

3. the dust-proof power transformation box of one kind according to claim 1, it is characterised in that: above-mentioned transmission shaft is matched by bearing therewith The fixing seat A of conjunction is mounted in square tube A；Cone tooth combination B by the fixing seat I that cooperates with its bearing of input shaft and with its output shaft The fixing seat H of bearing fit is mounted in square tube A；Cone tooth combination A by the fixing seat B that cooperates with its output shaft bearing and and its The fixing seat C of bearing of input shaft cooperation is mounted in square tube A；One-way clutch A is installed on the output shaft of cone tooth combination A, it is single Gear B is installed to the outer ring of clutch A；Gear B is engaged with the gear A being mounted on transmission shaft；Retarder passes through fixing seat D It is mounted in square tube A, the output shaft of retarder is sequentially connected with the input shaft that cone tooth combines A；The input shaft of retarder and installation Fixing seat E bearing fit in square tube A；Gear C is installed on the input shaft of retarder, and gear C and is mounted on fixing seat E On gear D engagement, gear D is located at the top of gear C；The output shaft and fixing seat E bearing fit of motor A, motor A output shaft On be equipped with and gear D meshed gears E.

4. the dust-proof power transformation box of one kind according to claim 1, it is characterised in that: sliding has transmitting C in above-mentioned square tube B Side wall on distribution is there are two guide rail B vertically, level slides on two guide rail B two transmitting C respectively；Each transmitting C On be fitted with trapezoidal guide block C, the trapezoidal guide block C on each transmitting item is slided in the trapezoidal guide groove B on respective track B.

5. the dust-proof power transformation box of one kind according to claim 1, it is characterised in that: above-mentioned cone tooth combination C passes through defeated with it The fixing seat H of shaft bearing fit and the fixing seat I cooperated with its bearing of input shaft are mounted in square tube B.

6. the dust-proof power transformation box of one kind according to claim 1, it is characterised in that: installed on the output shaft of above-mentioned motor B There is one-way clutch B, the outer ring of one-way clutch B is equipped with gear F.

7. the dust-proof power transformation box of one kind according to claim 1, it is characterised in that: vertically-mounted in above-mentioned square tube B to have four A successively meshed gears G, and four gear G are located between two transmitting C；The gear G of the top and it is mounted above biography Pass the tooth plate A cooperation on a C；The lowermost gear G cooperates with the tooth plate B being mounted on lower section transmitting C；Gear F with wherein One gear G engagement.

8. the dust-proof power transformation box of one kind according to claim 7, it is characterised in that: above-mentioned tooth plate A having with respective gears G It is different with effective length of action of respective gears G from tooth plate B to imitate length of action.

9. the dust-proof power transformation box of one kind according to claim 1, it is characterised in that: sliding has transmitting C in above-mentioned square tube B Side wall on it is vertically-mounted there are two fixed plate, and two fixed plates are located at the ends of two transmitting C；It is mounted on transmitting Spring C on C is located at the end of transmitting C；The one end spring C is connect with the distal end faces of corresponding transmitting C, the other end and phase Fixed plate is answered to connect.

10. the dust-proof power transformation box of one kind according to claim 1, it is characterised in that: above-mentioned cone tooth combination A, cone tooth combine B And cone tooth combination C is made of two bevel gears being meshed of two rotation axis, 90 degree of angles each other.