CN104916397B - Transformer radiator fixedly connected with telescopic external fins - Google Patents
Transformer radiator fixedly connected with telescopic external fins Download PDFInfo
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- CN104916397B CN104916397B CN201510248265.8A CN201510248265A CN104916397B CN 104916397 B CN104916397 B CN 104916397B CN 201510248265 A CN201510248265 A CN 201510248265A CN 104916397 B CN104916397 B CN 104916397B
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Abstract
The invention relates to a transformer radiator. A transformer radiator fixedly connected with telescopic external fins comprises two oil pipes and a plurality of cooling fins connected between the two oil pipes, wherein runners communicated with the two oil pipes are arranged in the cooling fins, a plurality of external fins are arranged outside the cooling fins, each external fin comprises at least two cooling plates, adjacent cooling plates are telescopically connected with each other in a sleeved manner, and only one of the cooling plates is integratedly connected with the cooling fin. The invention provides the transformer radiator fixedly connected with telescopic external fins, in which heat can be rapidly dissipated when transformer oil passes through the cooling fins and the heat dissipation effect can be adjusted, and the problem of poor heat dissipation effects of the traditional transformer radiator is solved.
Description
Technical field
The present invention relates to transformer radiator, particularly relate to a kind of transformer radiator being connected with telescopic outer fin, belong to transformator accessory field.
Background technology
When transformator runs, heat to be produced, i.e. load current flow through Transformer Winding and produce heat, and these heats have to dissipate in time.The parts losing this heat are transformer radiator.Existing transformer radiator includes two oil pipes and some fin being connected between two oil pipes, be communicated with oil pipe and the runner of lower oil pipe in fin, during use transformer oil enter from an oil pipe, again through runner flow through fin and heat is lost, finally cooling after transformer oil flow back to transformator through another root oil pipe.There is the deficiency of radiating effect difference in existing transformer radiator.
Summary of the invention
The invention provides heat when a kind of transformer oil flows through fin can quickly lose and the adjustable transformer radiator being connected with telescopic outer fin of radiating effect, the problem solving existing transformer radiator radiating effect difference.
More than technical problem is that and solved by following technical proposal: a kind of transformer radiator being connected with telescopic outer fin, including two oil pipes and some fin being connected between two oil pipes, the runner of described two oil pipes it is communicated with in described fin, the outside of described fin is provided with some outer fins, described outer fin includes at least two blocks of heat sinks, telescopically connecting together between adjacent heat sink, only one block heat sink of described heat sink links together with described fin integrative-structure.By arranging outer fin outside fin, by increasing capacitance it is possible to increase cooling surface area, cooling surface area increase then can improve radiating effect.Outer fin is telescopically connected together by polylith heat sink, it is possible to needs according to heat radiation and changes the extended length of radiating fin and realize the change of radiating effect, it is achieved thereby that radiating effect is adjustable.
As preferably, it is provided with circulating pump in described oil pipe, described circulating pump includes pump case and is rotationally connected with the pump shaft of pump case, bar in circle it is equipped with rotationally in described pump shaft, the outer peripheral face of described interior bar is provided with the first frictional layer, the inner surface of described pump shaft is provided with together with the second frictional layer, described interior bar and pump shaft be connected to the second frictional layer by described first frictional layer.Circulating pump is set, it is possible to transformer oil is normally circulated in runner, and plays and improve radiating effect and the effect of heat radiation reliability.When pump shaft produces distortion, pump shaft can produce relative to interior bar and rotate, and during rotation, external friction layer and the second frictional layer produce friction energy-absorbing and eliminate torsional forces, therefore the distortion resistance of pump shaft is good.
As preferably, described interior bar includes left bar and right bar, the left end of described left bar is linked together with described pump shaft by left energy-absorbing spring, the right side of described left bar is provided with some first commutating tooths circumferentially distributed along left bar, the right-hand member of described right bar is linked together with described pump shaft by right energy-absorbing spring, the left side of described right bar is provided with some second commutating tooths circumferentially distributed along right bar, and described first commutating tooth and the second commutating tooth mesh together.When bar also produces distortion in driving when pump shaft distortion, right bar and left bar can be driven under the effect of the first commutating tooth and the second commutating tooth circumferentially spaced, energy-absorbing camber of spring can be caused time separately and energy-absorbing.Pass through pump shaft distortion resistance further.
As preferably, between described pump shaft and interior bar, it is filled with abrasivus.When during use, the first frictional layer and the generation of the second frictional layer are worn and torn and caused friction energy-absorbing effect to decline, abrasivus can be filled between the first frictional layer and the second frictional layer and make the first frictional layer and the second frictional layer remain on good friction energy-absorbing effect, thus solves the abutting power that frictional force decline is unable to adjust between the first frictional layer and the second frictional layer easily and the problem (method that existing solution is worn and torn and caused frictional force to decline is all to be realized) adjusting frictional force by change pressure.
As preferably, it is provided with circulating pump in described oil pipe, described circulating pump includes pump case and pump shaft, described pump shaft passes through two bearings in described pump case, fueling cavity is formed between described pump case and two bearings, being provided with the first gear and the second gear meshed together in described fueling cavity, described first gear links together with described pump shaft, and described second gear is rotatably connected with described pump case；It is provided with oil-filling mechanism in described first gear, described oil-filling mechanism includes oil-out, gas supplementing opening, seal head, seal head is driven to seal up the first spring of oil-out, cylinder body and slipper seal are connected to the piston of cylinder body, described cylinder body is divided into air cavity and oil pocket by described piston, described piston is provided with the check valve that air cavity is opened, described piston is linked together with described seal head by connecting rod, described oil-out is connected with described oil pocket by oil duct, described gas supplementing opening is connected with described air cavity by air flue, described oil-out is arranged at the tooth top of described first gear, described seal head stretches out the distance of the tooth top of described first gear more than the tooth top gap between described first gear and the second gear.During use, lubricating oil is loaded onto in oil pocket, pump shaft drives the first pinion rotation when rotating, when the first pinion rotation to the tooth being provided with oil-out meshes together with the second gear, in the teeth groove of the first gear drives seal head indentation gear, drive piston to move towards oil pocket also by connecting rod while making the first spring energy-storage when sealing strip inside contracts and drive in oil pocket lubricating oil to flow to oil-out through oil duct and flow to fueling cavity thus realize the lubrication to bearing；When seal head staggers with teeth groove, oil-out is sealed in nose heave Xinmi City of effect lower seal of the first spring, the proceduredriven piston that seal head moves moves towards air cavity, now owing to the pressure in the part outflow of the oil in oil pocket, event oil pocket is less than the pressure of air cavity, check valve is opened and is made air add in oil pocket and reclaim in oil suction chamber by unnecessary having in fueling cavity so that during piston press oil pocket, lubricating oil can reliably flow out next time.Achieve the self-lubricate of circulating pump.
As preferably, described fin is provided with connecting tube, and described oil pipe is provided with oilhole, and the outer end of described oilhole connects base, described connecting tube and described base link together, and are all fixed together by the way of welding between described base and described oil pipe, between described base and described connecting tube.Radiographic inspection can be passed through.It is easy to find the junction whether poor sealing of fin and oil pipe.
As preferably, it is equipped with inner tube in described oilhole, the inner of said inner tube is provided with the clasp joint flange at described pipe inner surface, said inner tube is located in described base and connecting tube, it is provided with metallic packing ring between outer peripheral face and the connecting tube inner peripheral surface of said inner tube outer end, described sealing ring is provided with annular distending groove axially away from one end of described oil pipe, circumferentially extending along sealing ring of described distending groove, described distending groove connects with the inner space of said inner tube, and described base, inner tube and connecting tube three weld together.The bonding strength between connecting tube and oil pipe and sealing reliability can be effectively improved.
nullAs preferably，It is provided with circulating pump in described oil pipe，Described circulating pump includes pump case and is rotationally connected with the pump shaft of pump case，Described circulating pump is supported in described oil pipe by shock insulation block，Described shock insulation block is tubular structure，It is provided with some dividing plates in described shock insulation block，The internal insulation of shock insulation block is gone out the cavity that some bearing of trends along shock insulation block are distributed by described dividing plate，It is provided with elastic diaphragm in described cavity，Described cavity is divided into filling chamber and vacant chamber by described elastic diaphragm，Described elastic diaphragm is the bowl shaped structure arched upward towards described filling chamber，Described filling intracavity is filled with quicksand，Described filling chamber is provided with increasing baffle-wall，Described filling chamber is divided into the first filling chamber and second and fills chamber by described increasing baffle-wall，Described increasing baffle-wall is communicated with the first filling chamber and second and fills the rubbing hole in chamber，Described vacant chamber is provided with the pore of through described shock insulation block.During use, fin is supported by shock insulation block.When producing vibration, shock insulation block is deformed, the deformation of shock insulation block causes elastic diaphragm to flow back and forth between the first filling chamber and the second filling chamber towards the deformation of vacant chamber and the motion of reset, meanwhile quicksand, rub each other and consume vibrational energy during quicksand flowing, quicksand aggravates with the friction between rubbing hole friction and quicksand when flowing through rubbing hole so that weakening energy-absorbing effect is the most notable.
As preferably, the outer peripheral face of described shock insulation block is provided with some outer deformation guiding grooves along shock insulation block axial distribution, the inner peripheral surface of described shock insulation block is provided with some interior deformation guiding grooves along shock insulation block axial distribution, and described outer deformation guiding groove and interior deformation guiding groove are all the circumferentially extending cannelure along shock insulation block.Reliability when shock insulation block drives quicksand to flow when can improve vibrated.
As preferably, described outer deformation guiding groove and interior deformation guiding groove align.Shock insulation block is made to have good shock attenuation result and rigidity.
As preferably, described heat sink at least three pieces, it is positioned at the tubular structure that heat sink is two ends all openings of centre.Good heat dissipation effect.
As preferably, each block of heat sink is designed with positioning jack, thus heat sink in positioning jack can align.
As preferably, described heat sink, the described positioning jack being retracted between adjacent heat sink in heat sink adjacent during extreme position aligns.Convenience when drawing outer fin in can be improved.
As preferably, described heat sink is set-located layer by layer, is positioned at outermost heat sink and links together with described fin.Good heat dissipation effect.
As preferably, described heat sink, it is additionally provided with the Magnet being fixed together by adjacent heat sink when adjacent heat sink is in and stretches out state between adjacent heat sink.It is prevented from outer fin generation shrinkage phenomenon by mistake and affects radiating effect.
The present invention has an advantage that good heat dissipation effect；Radiating effect is adjustable；Circulating pump is set to make transformer oil be circulated, it is possible to improve radiating effect further.Circulating pump is supported by shock insulation block, it is possible to prevents the vibration between fin and circulating pump from transmitting mutually and produces collision and cause damage and electrical contact bad.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the embodiment of the present invention one.
Fig. 2 is the cross sectional representation of fin.
Fig. 3 is the schematic diagram of circulating pump.
Fig. 4 is the first gear and the cross-sectional schematic of the second gear.
Fig. 5 is the close-up schematic view at the A of Fig. 4.
Fig. 6 is the close-up schematic view at the B of Fig. 4.
Fig. 7 is the cross-sectional schematic of shock insulation block.
Fig. 8 is the enlarged diagram that outer fin is in when stretching out state.
Fig. 9 is outer fin enlarged diagram when being in contraction state.
The cross-sectional schematic of the pump shaft in Figure 10 embodiment two.
The schematic diagram of Figure 11 embodiment three.
Figure 12 is the attachment structure schematic diagram of connecting tube and oil pipe.
Figure 13 is the close-up schematic view at the C of Fig. 9.
nullIn figure: oil pipe 1、Oilhole 11、Base 12、Fin 2、Runner 21、Connecting tube 22、Inner tube 4、Flange 41、Sealing ring 42、Distending groove 421、Circulating pump 5、Pump shaft 51、Interior bar 511、Left bar 5111、Right bar 5112、External friction layer 5113、First commutating tooth 5114、Second commutating tooth 5115、Internal friction layer 512、Left energy-absorbing spring 513、Right energy-absorbing spring 514、Pump case 52、Circulating pump body 53、Motor 54、Bearing 55、Fueling cavity 56、First gear 58、The tooth top 581 of the first tooth、Second gear 57、Short axle 571、Weld seam 6、Outer fin 7、Innermost layer heat sink 72-3、Intermediate layer heat sink 72-2、Outermost layer heat sink 72-1、In-flanges 721、Flanging 722、Jack 723、Magnet 73、Latch 74、Oil-filling mechanism 8、Oil-out 81、Gas supplementing opening 82、Seal head 83、First spring 84、Cylinder body 85、Air cavity 851、Oil pocket 852、Piston 86、Check valve 861、Connecting rod 862、Oil duct 87、Air flue 88、Shock insulation block 9、Outer deformation guiding groove 91、Interior deformation guiding groove 92、Dividing plate 93、Cavity 94、Fill chamber 941、First fills chamber 9411、Second fills chamber 9412、Vacant chamber 942、Pore 9421、Elastic diaphragm 95、Increase baffle-wall 96、Rubbing hole 961、Seal head stretches out distance L1 of the tooth top of the first gear、Tooth top gap L2 between first gear and the second gear.
Detailed description of the invention
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment one, sees Fig. 1, and a kind of transformer radiator being connected with telescopic outer fin, including two oil pipes 1 and some fin 2 being connected between two oil pipes.Two oil pipes 1 extend in above-below direction level distribution direction.Circulating pump 5 it is provided with in oil pipe above in oil pipe 1.Circulating pump 5 is connected in oil pipe 1 by four shock insulation blocks 9 are unsettled.Fin 2 is outside is provided with some outer fins 7.
See Fig. 2, in fin 2, be provided with runner 21.Two oil pipe 1(are seen Fig. 1 by runner 21) connection.Outer fin 7 includes 3 blocks of heat sinks.3 blocks of heat sinks are distributed as innermost layer heat sink 72-3, intermediate layer heat sink 72-2 and outermost layer heat sink 72-1.It is set-located the most layer by layer between adjacent heat sink 72.Outermost heat sink 72-1 links together in the way of integrative-structure with fin 2, separated with fin of remaining heat sink.
Seeing Fig. 3, circulating pump 5 includes pump shaft 51 and pump case 52.Pump shaft 51 is supported in pump case 52 by two bearings 55.Fueling cavity 56 is formed between pump case 52 and two bearings 55.The first gear 58 and the second gear 57 it is provided with in fueling cavity 56.First gear 58 and the second gear 57 mesh together.First gear 58 links together with pump shaft 51.Second gear 57 is rotatably connected with pump case 52 by short axle 571.
See Fig. 4, in the first gear 58, be provided with oil-filling mechanism 8.The number of oil-filling mechanism 8 is equal with the number of teeth of the first gear 58.
Seeing Fig. 5, oil-filling mechanism 8 includes oil-out 81, gas supplementing opening 82, seal head the 83, first spring 84, cylinder body 85 and piston 86.On the tooth top 581 of the same tooth that the oil-out 81 of same oil-filling mechanism and gas supplementing opening 82 are arranged at the first gear 58, the tooth top of same tooth oil-out and the gas supplementing opening of one oil-filling mechanism are only set, i.e. in the present embodiment, the tooth of oil-filling mechanism and the first gear 58 is arranged correspondingly.Seal head 83 and the first spring 84 are arranged in oil-out 81, and the effect lower seal head 83 at the first spring 84 stretches out tooth top 581 and seals up oil-out.Seal head stretches out distance L1 of the tooth top of the first gear and sees Fig. 6 more than tooth top gap L2(between the first gear and the second gear).Cylinder body 85 is formed in the first gear 58 in the way of integrative-structure, is the chamber in the first gear 58.Piston 86 slipper seal is connected to cylinder body 85.Cylinder body 85 is divided into air cavity 851 and oil pocket 852 by piston 86.Piston 86 is provided with the check valve 861 that air cavity 851 is opened.Piston 86 is linked together with seal head 83 by connecting rod 862.Connecting rod 862 links together with slipper seal between the first gear 58 so that oil-out 81 disconnects with air cavity 851.Oil-out 81 is connected with oil pocket 852 by oil duct 87.Gas supplementing opening 82 is connected with air cavity 851 by air flue 88.Oil duct 87 and air flue 88 are all to be formed in the way of integrative-structure in the first gear 58, are the hole in the first gear 58.
Seeing Fig. 7, shock insulation block 9 is tubular structure.The outer peripheral face of shock insulation block 9 is provided with some outer deformation guiding grooves 91.Outer deformation guiding groove 91 is along shock insulation block 9 axial distribution.The inner peripheral surface of shock insulation block 9 is provided with some interior deformation guiding grooves 92.Interior deformation guiding groove 92 is along shock insulation block 9 axial distribution.Outer deformation guiding groove 91 and interior deformation guiding groove 92 are all the circumferentially extending cannelure along shock insulation block 9.Outer deformation guiding groove 91 and interior deformation guiding groove 92 align.4 dividing plates 93 it are provided with in shock insulation block 9.The internal insulation of shock insulation block 9 is gone out 3 cavitys 94 by 4 dividing plates 93.3 cavitys 94 are along the axial directional distribution of shock insulation block 9.Elastic diaphragm 95 it is provided with in cavity 94.Cavity 94 is divided into filling chamber 941 and vacant chamber 942 by elastic diaphragm 95.Elastic diaphragm 95 is towards filling the bowl shaped structure arched upward in chamber 941.Fill and chamber 941 is provided with increasing baffle-wall 96.Increase baffle-wall 96 and filling chamber 941 is divided into the first filling chamber 9411 and the second filling chamber 9412.Increase baffle-wall 96 and be communicated with the first filling chamber 9411 and rubbing hole 961 in the second filling chamber 9412.Being filled with quicksand in filling chamber 941, quicksand does not the most draw.Vacant chamber 942 is provided with the pore 9421 of through shock insulation block 9.
See Fig. 8, each piece of heat sink all jack 723.One end of heat sink is provided with in-flanges 721 other end and is provided with flanging 722.Between adjacent heat sink, prevent from being pulled out on the in-flanges 721 of another block heat sink by flanging 722 clasp joint of one block of heat sink.Adsorbed by Magnet 73 between in-flanges 721 and flanging 722 and be fixed together.Magnet 73 is fixed on in-flanges 721, and flanging 722 is ferromagnet.Intermediate layer heat sink 72-2 is the tubular structure of two ends openings.
See the quantity of the extended length changing outer fin 7 when Fig. 2 uses as required and the outer fin being stretched to make radiating effect reach requirement.
Seeing Fig. 9, the method packing up outer fin is: compression heat sink so that innermost layer heat sink 72-3 is retracted in the heat sink 72-2 of intermediate layer, and intermediate layer heat sink 72-2 is retracted to outermost layer heat sink 72-1.When thus heat sink be unable to continue to shrink and jack 723 when being retracted to extreme position, in all of heat sink aligns, then latch 74 is inserted jack 723, in and make outer fin 7 be maintained at contraction state.When needing to increase radiating effect, extract latch 74, make outer fin 7 extend.
The process of the lubrication of the bearing in circulating pump of the present invention is:
Seeing Fig. 6, during the first gear 58 rotates, the bottom surface crush seal 83 of the teeth groove of the second gear 57 is to the first gear 58 contract, and seal head 83 shrinks and oil-out 81 opened and makes the first spring 84 energy storage.
See Fig. 5, driving piston 86 to move towards oil pocket 852 also by connecting rod 862 when seal head 83 shrinks, pressure in oil pocket 852 rises and check valve 861 is closed and lubricating oil in oil pocket 852 flows to oil-out 81 through oil duct 87 and flows out from oil-out 81 and realize the lubrication to bearing 55.
When the second gear loses the squeezing action to seal head 83, outer shifting of effect lower seal head 83 of the first spring 84, oil-out 81 is sealed up, piston 86 is driven to move towards air cavity 851 by connecting rod 862 when seal head 83 stretches out, pressure in oil pocket 852 declines and pressure in air cavity 851 rises, check valve 861 is opened, oil unnecessary in air and fueling cavity 56 is through gas supplementing opening 82, air flue 88 and check valve 861 and flow to oil pocket 852, the air pressure making the pressure in oil pocket 852 be able to maintain that in same gear exterior is equal, so that lubricating oil can be squeezed out when moving towards oil pocket 852 by piston 86 next time.
Embodiment two, with the difference of embodiment one be:
See Figure 10, in pump shaft 51, be equipped with the interior bar 511 of circle.Interior bar 511 is tubular structure.The inner surface of pump shaft 51 is provided with internal friction layer 512.Interior bar 511 includes left bar 5111 and right bar 5112.The outer peripheral face of left bar 5111 and right bar 5112 is designed with external friction layer 5113.External friction layer 5113 is covered with interior bar 511 along the circumference of interior bar 511.The left end of left bar 5111 is linked together with pump shaft 51 by left energy-absorbing spring 513.The right side of left bar 5111 is provided with some first commutating tooths 5114 circumferentially distributed along left bar.The right-hand member of right bar 5112 is linked together with pump shaft 51 by right energy-absorbing spring 514.The left side of right bar 5112 is provided with some second commutating tooths 5115 circumferentially distributed along right bar.First commutating tooth 5114 and the second commutating tooth 5115 mesh together.Left bar 5111 and right bar 5112 the most all by external friction layer 5113 with internal friction layer 512 be connected to together with and together with being rotatably connected with pump shaft 51.The abrasivus of liquid it is filled with in pump shaft 51.
When pump shaft 51 produces distortion, pump shaft 51 can produce relative rotation relative to interior bar 511, and motor process China and foreign countries' frictional layer 5113 and internal friction layer 512 rub and consume energy and play the effect of prevention twisting.If the moment of torsion of pump shaft 51 and result in interior bar 511 the most together produce twisting time, the most left bar 5111 and right bar 5112 can be axially spaced under the guide effect of the first commutating tooth 5114 and the second commutating tooth 5115, separation process is not only able to produce friction so that external friction layer 5113 with internal friction layer 512 and energy-absorbing, left energy-absorbing spring 513 and right energy-absorbing spring 514 can also be promoted to deform and energy-absorbing, play energy-absorbing and prevent from reversing the effect produced, thus realize improving the distortion resistance of pump shaft.And right energy-absorbing spring 514 and left energy-absorbing spring 513 can also play the effect repairing pump shaft 51.
Embodiment three, with the difference of embodiment two be:
Seeing Figure 11, fin 2 is provided with the connecting tube 22 of some same runners 21 connection.Oil pipe 1 is provided with some oilholes 11.The outer end of oilhole 11 connects base 12.Base 12 and oil pipe 1 weld together.Inner tube 4 it is equipped with in oilhole 11.The inner of inner tube 4 is provided with flange 41.The oil pipe 1 connection with the runner 21 in fin 2 is realized in inner tube 4 pierces into connecting tube 22 after passing base 12 correspondingly.
Seeing Figure 12, flange 41 clasp joint is on oil pipe 1 inner peripheral surface.Flange 41 and oil pipe 1 inner peripheral surface only link together by the way of abutting.The intersection of base 12, inner tube 4 and connecting tube 22 three welds together and forms weld seam 6.Base 12, inner tube 4 and connecting tube 22 three are sealed connected together by weld seam 6.
See Figure 13, between outer peripheral face and connecting tube 22 inner peripheral surface of inner tube 4 outer end, be provided with metallic packing ring 42.Sealing ring 42 is provided with annular distending groove 421 axially away from one end of oil pipe 1.Distending groove 421 is circumferentially extending along sealing ring 42.Distending groove 421 connects with the inner space of inner tube 4.
Claims (8)
- null1. the transformer radiator being connected with telescopic outer fin，Including two oil pipes and some fin being connected between two oil pipes，The runner of described two oil pipes it is communicated with in described fin，It is characterized in that，The outside of described fin is provided with some outer fins，Described outer fin includes at least two blocks of heat sinks，Telescopically connect together between adjacent heat sink，Only one block heat sink of described heat sink links together with described fin integrative-structure，It is provided with circulating pump in described oil pipe，Described circulating pump includes pump case and pump shaft，Described pump shaft passes through two bearings in described pump case，Fueling cavity is formed between described pump case and two bearings，The first gear and the second gear meshed together it is provided with in described fueling cavity，Described first gear links together with described pump shaft，Described second gear is rotatably connected with described pump case；nullIt is provided with oil-filling mechanism in described first gear，Described oil-filling mechanism includes oil-out、Gas supplementing opening、Seal head、Seal head is driven to seal up the first spring of oil-out、Cylinder body and slipper seal are connected to the piston of cylinder body，Described cylinder body is divided into air cavity and oil pocket by described piston，Described piston is provided with the check valve that air cavity is opened，Described piston is linked together with described seal head by connecting rod，Described oil-out is connected with described oil pocket by oil duct，Described gas supplementing opening is connected with described air cavity by air flue，Described oil-out is arranged at the tooth top of described first gear，Described seal head stretches out the distance of the tooth top of described first gear more than the tooth top gap between described first gear and the second gear，Described fin is provided with connecting tube，Described oil pipe is provided with oilhole，The outer end of described oilhole connects base，Described connecting tube and described base link together，Between described base and described oil pipe、All it is fixed together by the way of welding between described base and described connecting tube.
- The transformer radiator being connected with telescopic outer fin the most according to claim 1, it is characterized in that, bar in circle it is equipped with rotationally in described pump shaft, the outer peripheral face of described interior bar is provided with the first frictional layer, the inner surface of described pump shaft is provided with together with the second frictional layer, described interior bar and pump shaft be connected to the second frictional layer by described first frictional layer.
- The transformer radiator being connected with telescopic outer fin the most according to claim 2, it is characterized in that, described interior bar includes left bar and right bar, the left end of described left bar is linked together with described pump shaft by left energy-absorbing spring, the right side of described left bar is provided with some first commutating tooths circumferentially distributed along left bar, the right-hand member of described right bar is linked together with described pump shaft by right energy-absorbing spring, the left side of described right bar is provided with some second commutating tooths circumferentially distributed along right bar, and described first commutating tooth and the second commutating tooth mesh together.
- 4. according to the transformer radiator being connected with telescopic outer fin described in Claims 2 or 3, it is characterised in that be filled with abrasivus between described pump shaft and interior bar.
- 5. according to the transformer radiator being connected with telescopic outer fin described in claim 1 or 2 or 3, it is characterized in that, it is equipped with inner tube in described oilhole, the inner of said inner tube is provided with the clasp joint flange at described pipe inner surface, said inner tube is located in described base and connecting tube, it is provided with metallic packing ring between outer peripheral face and the connecting tube inner peripheral surface of said inner tube outer end, described sealing ring is provided with annular distending groove axially away from one end of described oil pipe, circumferentially extending along sealing ring of described distending groove, described distending groove connects with the inner space of said inner tube, described base, inner tube and connecting tube three weld together.
- null6. according to the transformer radiator being connected with telescopic outer fin described in claim 1 or 2 or 3，It is characterized in that，Described circulating pump is supported in described oil pipe by shock insulation block，Described shock insulation block is tubular structure，It is provided with some dividing plates in described shock insulation block，The internal insulation of shock insulation block is gone out the cavity that some bearing of trends along shock insulation block are distributed by described dividing plate，It is provided with elastic diaphragm in described cavity，Described cavity is divided into filling chamber and vacant chamber by described elastic diaphragm，Described elastic diaphragm is the bowl shaped structure arched upward towards described filling chamber，Described filling intracavity is filled with quicksand，Described filling chamber is provided with increasing baffle-wall，Described filling chamber is divided into the first filling chamber and second and fills chamber by described increasing baffle-wall，Described increasing baffle-wall is communicated with the first filling chamber and second and fills the rubbing hole in chamber，Described vacant chamber is provided with the pore of through described shock insulation block.
- The transformer radiator being connected with telescopic outer fin the most according to claim 6, it is characterized in that, the outer peripheral face of described shock insulation block is provided with some outer deformation guiding grooves along shock insulation block axial distribution, the inner peripheral surface of described shock insulation block is provided with some interior deformation guiding grooves along shock insulation block axial distribution, and described outer deformation guiding groove and interior deformation guiding groove are all the circumferentially extending cannelure along shock insulation block.
- The transformer radiator being connected with telescopic outer fin the most according to claim 7, it is characterised in that described outer deformation guiding groove and the alignment of interior deformation guiding groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510248265.8A CN104916397B (en) | 2015-05-16 | 2015-05-16 | Transformer radiator fixedly connected with telescopic external fins |
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| CN201510248265.8A CN104916397B (en) | 2015-05-16 | 2015-05-16 | Transformer radiator fixedly connected with telescopic external fins |
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| CN104916397B true CN104916397B (en) | 2017-01-11 |
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| CN105299447A (en) * | 2015-07-02 | 2016-02-03 | 浙江海洋学院 | Liquefied natural gas gasifier fixedly connected with heat exchange fins |
| CN105299452A (en) * | 2015-07-02 | 2016-02-03 | 浙江海洋学院 | Liquefied natural gas gasifier fixedly connected with telescopic outer heat exchange fins |
| CN106057417A (en) * | 2016-06-28 | 2016-10-26 | 福建省建阳市安顺变压器配件厂 | Transformer provided with telescopic external fin radiator with shock absorption pins fixedly connected |
| CN106594778A (en) * | 2016-12-12 | 2017-04-26 | 墨宝股份有限公司 | Thermal power plant ultralow emission MGGH energy saving and environmental protecting equipment and method |
| CN106783052A (en) * | 2017-01-21 | 2017-05-31 | 湖南工程学院 | A kind of novel transformer |
| CN113963900B (en) * | 2021-12-03 | 2022-05-27 | 华夏恒业变压器有限公司 | Oil-immersed transformer |
| CN114373600A (en) * | 2021-12-06 | 2022-04-19 | 王德彬 | Overheated deformation ventilation type transformer |
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