CN104916399A - Transformer radiator with fixedly connected telescopic external fins and detachably connected internal fins - Google Patents

Transformer radiator with fixedly connected telescopic external fins and detachably connected internal fins Download PDF

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Publication number
CN104916399A
CN104916399A CN201510248269.6A CN201510248269A CN104916399A CN 104916399 A CN104916399 A CN 104916399A CN 201510248269 A CN201510248269 A CN 201510248269A CN 104916399 A CN104916399 A CN 104916399A
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China
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fin
oil
gear
shock insulation
insulation block
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CN201510248269.6A
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CN104916399B (en
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陈学福
何升
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Anshun Jianyang City Of Fujian Province Transformer Accessory Factory
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Anshun Jianyang City Of Fujian Province Transformer Accessory Factory
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Abstract

The invention relates to a transformer radiator with fixedly connected telescopic external fins and detachably connected internal fins. The transformer radiator comprises two oil pipes and radiating fins connected between the two oil pipes. A flow channel for communicating the two oil pipes is arranged in each radiating fin. The external fins are arranged at the outside of the radiating fins and each comprises at least two radiating plates. The adjacent radiating plates are telescopically connected with each other in a sleeved manner and only one radiating plate is integrated with the radiating fin. The internal fins and internal clamping grooves are arranged in the flow channel. Each internal fin is provided with an internal fin clamping head. The internal fins are plugged into the internal clamping grooves through the internal fin clamping heads so as to be connected with the radiating fin in a pluggable manner. The transformer radiator with the fixedly connected telescopic external fins and detachably connected internal fins provided by the invention could be used for fast radiating heat with adjustable radiating effects while transformer oil flows through the radiating fin and could solve the problem that the radiating effect of the existing transformer radiator is bad.

Description

The transformer radiator of affixed flexible outer fin and the inner fin that removably connects
Technical field
The present invention relates to transformer radiator, particularly relate to the transformer radiator of a kind of affixed flexible outer fin and the inner fin that removably connects, belong to transformer accessory field.
Background technology
Transformer will produce heat when running, and namely load current flows through Transformer Winding and produces heat, and these heats must dissipate in time.The parts losing this heat are transformer radiator.Existing transformer radiator comprises two oil pipes and some fin be connected between two oil pipes, be provided with the runner being communicated with upper oil pipe and lower oil pipe in fin, during use transformer oil enter from an oil pipe, again through runner flow through fin and heat loss is fallen, transformer oil after finally cooling flows back to transformer 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 lose fast and the transformer radiator of the adjustable affixed flexible outer fin of radiating effect and the inner fin that removably connects, solve the problem of existing transformer radiator radiating effect difference.
Above technical problem is solved by following technical proposal: the transformer radiator of a kind of affixed flexible outer fin and the inner fin that removably connects, comprise two oil pipes and some fin be connected between two oil pipes, the runner being communicated with described two oil pipes is provided with in described fin, the outside of described fin is provided with some outer fins, described outer fin comprises at least two blocks of heating panels, between adjacent heating panel, telescopically connects together, described heating panel only one block of heating panel links together with described fin integrative-structure, inner fin and inner card cage is provided with in described runner, the bearing of trend of described inner card cage is identical with the distribution arrangement of described two oil pipes, described inner fin is provided with inner fin portion dop, described inner fin can be plugged in described inner card cage to plug by described inner fin portion dop and link together with described fin.When assembling is of the present invention, the cooling requirements of environment used according to the invention, makes the inner fin of only assembling respective amount in runner, excessive inner fin then extracts in runner.By arranging inner fin in fin, the surface area of runner can be increased, water passage surface amasss increase then can increase the contact area of transformer oil with runner, thus when making transformer oil flow through oil duct, heat can pass to fin fast, plays the effect improving radiating effect.Radiating effect can change as required, and versatility is good, and the radiating effect of existing fin is changeless.By arranging outer fin outside fin, can increase cooling surface area, cooling surface area increase then can improve radiating effect.Outer fin is connected together by polylith heating panel telescopically, can need according to heat radiation and change the extended length of radiating fin and realize the change of radiating effect, thus achieve the adjustable of radiating effect.By arranging inner fin in fin, the surface area of runner can be increased, water passage surface amass increase then can transformer oil with the contact area of runner, thus when making transformer oil flow through oil duct, heat can pass to fin fast, plays the effect improving radiating effect further.
As preferably, circulating pump is provided with in described oil pipe, described circulating pump comprises pump case and is rotationally connected with the pump shaft of pump case, circular interior bar 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 the second frictional layer, together with described interior bar and pump shaft to be connected to the second frictional layer by described first frictional layer.Circulating pump is set, transformer oil can be made normally to circulate in runner, and play the effect improving radiating effect and 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 comprises 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 the first commutating tooths along the distribution of left bar circumference, 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 the second commutating tooths along the distribution of right bar circumference, and described first commutating tooth and the second commutating tooth mesh together.When driving interior bar also to produce distortion when pump shaft distortion, right bar and left bar can be driven circumferentially to separate under the effect of the first commutating tooth and the second commutating tooth, energy-absorbing camber of spring and energy-absorbing time separately, can be caused.Further by pump shaft distortion resistance.
As preferably, between described pump shaft and interior bar, be filled with rubbing agent.When the first frictional layer in use procedure and the second frictional layer produce wearing and tearing and cause friction energy-absorbing effect to decline, rubbing agent can be filled between the first frictional layer and the second frictional layer and make the friction energy-absorbing effect that the first frictional layer and the second frictional layer still keep good, thus solves frictional force and decline and the abutting power that can not adjust easily between the first frictional layer and the second frictional layer and adjust the problem (existing solution wearing and tearing and the method that causes frictional force to decline is all realized by change pressure) of frictional force.
As preferably, circulating pump is provided with in described oil pipe, described circulating pump comprises 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, be provided with the first gear and the second gear that mesh 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, oil-filling mechanism is provided with in described first gear, described oil-filling mechanism comprises 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 unidirectional valve opened towards air cavity, 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, the distance that described seal head stretches out the tooth top of described first gear is greater 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 with the second gears meshing together time, the teeth groove of the first gear drives in seal head indentation gear, is also moved towards oil pocket by connecting rod driven plunger and drive lubricating oil in oil pocket to flow to oil-out through oil duct and flow to fueling cavity thus realize the lubrication to bearing when sealing strip inside contracts while making the first spring energy-storage; 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 of seal head movement moves towards air cavity, now because the pressure in the part outflow of the oil in oil pocket, event oil pocket is less than the pressure of air cavity, unidirectional valve is opened and to make in replenish air to oil pocket and to reclaim in oil suction chamber by unnecessary having in fueling cavity, make next time piston press oil pocket time lubricating oil can reliably flow out.Achieve the self-lubricate of circulating pump.
As preferably, described fin is provided with tube connector, and described oil pipe is provided with oilhole, and the outer end of described oilhole is connected with base, described tube connector and described base link together, and are all fixed together by the mode of welding between described base and described oil pipe, between described base and described tube connector.Radiographic inspection can be passed through.Be convenient to find the junction whether poor sealing of fin and oil pipe.
As preferably, interior pipe is equipped with in described oilhole, the inner of described interior pipe is provided with the flange of clasp joint at described pipe inner surface, described interior pipe is located in described base and tube connector, metallic packing ring is provided with between the outer peripheral face of described interior pipe outer end and tube connector inner peripheral surface, described sealing ring is axially provided with annular distending groove away from one end of described oil pipe, described distending groove extends along the circumference of sealing ring, described distending groove is communicated with the inner space of described interior pipe, and described base, interior pipe and tube connector three weld together.Effectively can improve the bonding strength between tube connector and oil pipe and sealing reliability.
As preferably, circulating pump is provided with in described oil pipe, described circulating pump comprises 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, some dividing plates are provided with in described shock insulation block, the internal insulation of shock insulation block is gone out the cavity of some bearing of trends along shock insulation block distribution by described dividing plate, elastic diaphragm is provided with in described cavity, described cavity is divided into by described elastic diaphragm fills chamber and vacant chamber, described elastic diaphragm is the bowl shaped structure arched upward towards described filling chamber, quicksand is filled with in described filling chamber, increasing baffle-wall is provided with in described filling chamber, 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 provided with connection first and fills the rubbing hole that chamber is filled in chamber and second, 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 produces distortion, the distortion of shock insulation block causes elastic diaphragm to flow back and forth between the first filling chamber and the second filling chamber towards motion, the meanwhile quicksand of the distortion of vacant chamber and reset, 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, makes weakening energy-absorbing effect more remarkable.
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 along deformation guiding groove in shock insulation block axial distribution, and described outer deformation guide channel and interior deformation guide channel are all the cannelure extended along the circumference of shock insulation block.Reliability when shock insulation block when being subject to vibrating drives quicksand to flow can be improved.
As preferably, described outer deformation guide channel and the alignment of interior deformation guide channel.Shock insulation block is made to have good shock attenuation result and rigidity.
As preferably, described heating panel has three pieces at least, is positioned at the tubular structure that middle heating panel is two ends all opening.Good heat dissipation effect.
As preferably, each block heating panel is all provided with positioning jack, thus heating panel in positioning jack can align.
As preferably, described heating panel, the described positioning jack alignment in heating panel adjacent when being retracted to extreme position between adjacent heating panel.Convenience when drawing outer fin in can be improved.
As preferably, described heating panel is set-located layer by layer, is positioned at outermost heating panel and links together with described fin.Good heat dissipation effect.
As preferably, described heating panel, is also provided with the magnet be fixed together by adjacent heating panel when adjacent heating panel is in and stretches out state between adjacent heating panel.Can prevent from outer fin from producing miss shrinkage phenomenon and affect radiating effect.
The present invention has following advantage: good heat dissipation effect; Radiating effect is adjustable; Isolating affection between circulating pump and fin is good; Arrange circulating pump to circulate to make transformer oil, radiating effect can be improved further.Circulating pump is supported by shock insulation block, can prevent the vibration between fin and circulating pump from transmitting mutually and produce 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 cross-sectional schematic of the first gear and the second gear.
Fig. 5 is the close-up schematic view at the A place of Fig. 4.
Fig. 6 is the close-up schematic view at the B place of Fig. 4.
Fig. 7 is the cross-sectional schematic of supporting pad.
Fig. 8 is the enlarged diagram that outer fin is in when stretching out state.
Fig. 9 is the enlarged diagram of outer fin 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 syndeton schematic diagram of tube connector and oil pipe.
Figure 13 is the close-up schematic view at the C place of Fig. 9.
In figure: oil pipe 1, oilhole 11, base 12, fin 2, runner 21, tube connector 22, inner card cage 23, inner fin 3, inner fin portion dop 31, interior pipe 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, interior frictional 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, minor axis 571, weld seam 6, outer fin 7, innermost layer heating panel 72-3, intermediate layer heating panel 72-2, outermost layer heating panel 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, unidirectional 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 the distance L1 of the tooth top of the first gear, tooth top gap L2 between first gear and the second gear.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further illustrated.
Embodiment one, see Fig. 1, the transformer radiator of a kind of affixed flexible outer fin and the inner fin that removably connects, comprises two oil pipes 1 and some fin 2 be connected between two oil pipes.Two oil pipes 1 extend in above-below direction level distribution direction.The oil pipe being positioned at top in oil pipe 1 is provided with circulating pump 5.Circulating pump 5 is connected in oil pipe 1 by four shock insulation blocks 9 are unsettled.Fin 2 outside is provided with some outer fins 7.
See Fig. 2, in fin 2, be provided with runner 21.Runner 21 by two oil pipe 1(see Fig. 1) be communicated with.Runner 21 is provided with some inner card cages 23.Inner card cage 23 is the linear draw-in groove extended along the vertical direction.Some inner fins 3 are provided with in runner 21.Inner fin 3 is provided with inner fin portion dop 31.Inner fin 3 is inserted in inner card cage 23 by inner fin portion dop 31 and links together with fin 2.Inner fin portion dop 31 can be plugged on to plug in inner card cage 23.For being equipped with a slice inner fin in each draw-in groove in figure, be can according to the cooling requirements of radiator during making, and unnecessary inner fin 3 is extracted in runner 21, make to meet cooling requirements in most economical mode.Outer fin 7 comprises 3 blocks of heating panels.3 blocks of heating panels are distributed as innermost layer heating panel 72-3, intermediate layer heating panel 72-2 and outermost layer heating panel 72-1.Between adjacent heating panel 72, telescopically is set-located layer by layer.Outermost heating panel 72-1 links together in the mode of integrative-structure with fin 1, separated with fin of remaining heating panel.
See Fig. 3, circulating pump 5 comprises 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 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 minor axis 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.
See Fig. 5, oil-filling mechanism 8 comprises oil-out 81, gas supplementing opening 82, seal head 83, first spring 84, cylinder body 85 and piston 86.The oil-out 81 of same oil-filling mechanism and gas supplementing opening 82 are arranged on the tooth top 581 of the same tooth of the first gear 58, the tooth top of same tooth only arranges oil-out and the gas supplementing opening of an oil-filling mechanism, and namely 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, stretch out tooth top 581 at the effect lower seal head 83 of the first spring 84 and seal up oil-out.The distance L1 that seal head stretches out the tooth top of the first gear is greater than tooth top gap L2(between the first gear and the second gear see Fig. 6).Cylinder body 85 is formed in the first gear 58 in the mode 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 unidirectional valve 861 opened towards air cavity 851.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, and oil-out 81 is disconnected 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 be formed in the first gear 58 in the mode of integrative-structure, are the hole in the first gear 58.
See 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 cannelure extended along the circumference of shock insulation block 9.Outer deformation guiding groove 91 and interior deformation guiding groove 92 align.4 dividing plates 93 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 is provided with in cavity 94.Cavity 94 is divided into by elastic diaphragm 95 fills chamber 941 and vacant chamber 942.Elastic diaphragm 95 is the bowl shaped structure arched upward towards filling chamber 941.Fill in chamber 941 to be provided with and increase 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 provided with the rubbing hole 961 that chamber 9411 and the second filling chamber 9412 are filled in connection first.Fill in chamber 941 and be filled with quicksand, quicksand does not draw in the drawings.Vacant chamber 942 is provided with the pore 9421 of through shock insulation block 92.
See Fig. 8, each block heating panel all jacks 723.One end of heating panel is provided with in-flanges 11 other end and is provided with flanging 722.Between adjacent heating panel, prevent from being pulled out on the in-flanges 721 of another block heating panel by flanging 722 clasp joint of one block of heating panel.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 heating panel 72-2 is the tubular structure of two ends opening.
The extended length changing outer fin 7 when using see Fig. 2 as required reaches requirement with the quantity of the outer fin be stretched to make radiating effect.
See Fig. 9, the method for packing up outer fin is: compression heating panel, make innermost layer heating panel 72-3 be retracted in the heating panel 72-2 of intermediate layer, intermediate layer heating panel 72-2 is retracted to outermost layer heating panel 72-1.When thus heating panel all can not continue shrink and be retracted to extreme position time, jack 723 in all heating panels aligns, then latch 74 is inserted jack 723, in and make outer fin 7 remain on contraction state.When needing to increase radiating effect, extract latch 74, outer fin 7 is extended.
The process of the lubrication of the bearing in circulating pump of the present invention is:
See Fig. 6, in the process that the first gear 58 rotates, shrink in bottom surface crush seal 83 to first gear 58 of the teeth groove of the second gear 57, seal head 83 shrinks and oil-out 81 is opened and makes the first spring 84 energy storage.
See Fig. 5, also moved towards oil pocket 852 by connecting rod 862 driven plunger 86 when seal head 83 shrinks, the pressure increase in oil pocket 852 is closed by unidirectional valve 861 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, move outside the effect lower seal head 83 of the first spring 84 and oil-out 81 is sealed up, moved towards air cavity 851 by connecting rod 862 driven plunger 86 when seal head 83 stretches out, pressure drop in oil pocket 852 and pressure increase in air cavity 851, unidirectional valve 861 is opened, oil unnecessary in air and fueling cavity 56 is through gas supplementing opening 82, air flue 88 and unidirectional valve 861 and flow to oil pocket 852, the air pressure that pressure in oil pocket 852 can be maintained in same gear exterior is equal, so that lubricating oil can squeeze out by piston 86 when oil pocket 852 moves next time.
Embodiment two, the difference with embodiment one is:
See Figure 10, in pump shaft 51, be equipped with circular interior bar 511.Interior bar 511 is tubular structure.The inner surface of pump shaft 51 is provided with interior frictional layer 512.Interior bar 511 comprises left bar 5111 and right bar 5112.The outer peripheral face of left bar 5111 and right bar 5112 is all provided 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 the first commutating tooths 5114 along the distribution of left bar circumference.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 the second commutating tooths 5115 along the distribution of right bar circumference.First commutating tooth 5114 and the second commutating tooth 5115 mesh together.Be rotatably connected together with pump shaft 51 together with left bar 5111 and right bar 5112 to be also all connected to interior frictional layer 512 by external friction layer 5113.Liquid rubbing agent 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 motion process China and foreign countries' frictional layer 5113 and interior frictional layer 512 rub and consume energy and play the effect stoping twisting.If the moment of torsion of pump shaft 51 and result in interior bar 511 also together produce twisting time, now left bar 5111 and right bar 5112 can separate vertically under the guide effect of the first commutating tooth 5114 and the second commutating tooth 5115, separation process not only can make external friction layer 5113 produce friction and energy-absorbing with interior frictional layer 512, left energy-absorbing spring 513 and right energy-absorbing spring 514 can also be impelled to be out of shape and energy-absorbing, play energy-absorbing and prevent from reversing the effect produced, thus realizing the distortion resistance improving pump shaft.And right energy-absorbing spring 514 and left energy-absorbing spring 513 can also play the effect of repairing pump shaft 51.
Embodiment three, the difference with embodiment two is:
See Figure 11, fin 2 is provided with the tube connector 22 that some same runners 21 are communicated with.Oil pipe 1 is provided with some oilholes 11.The outer end of oilhole 11 is connected with base 12.Base 12 and oil pipe 1 weld together.Interior pipe 4 is equipped with in oilhole 11.The inner of interior pipe 4 is provided with flange 41.Interior pipe 4 realizes the connection of oil pipe 1 with the runner 21 in fin 2 through piercing into correspondingly after base 12 in tube connector 22.
See Figure 12, flange 41 clasp joint is on oil pipe 1 inner peripheral surface.Flange 41 and oil pipe 1 inner peripheral surface link together by means of only the mode abutted.The intersection of base 12, interior pipe 4 and tube connector 22 three welds together and forms weld seam 6.Base 12, interior pipe 4 and tube connector 22 three are sealed connected together by weld seam 6.
See Figure 13, between the outer peripheral face of interior pipe 4 outer end and tube connector 22 inner peripheral surface, be provided with metallic packing ring 42.Sealing ring 42 is axially provided with annular distending groove 421 away from one end of oil pipe 1.Distending groove 421 extends along the circumference of sealing ring 42.Distending groove 421 is communicated with the inner space of interior pipe 4.

Claims (10)

1. the transformer radiator of an affixed flexible outer fin and the inner fin that removably connects, comprise two oil pipes and some fin be connected between two oil pipes, the runner being communicated with described two oil pipes is provided with in described fin, it is characterized in that, the outside of described fin is provided with some outer fins, described outer fin comprises at least two blocks of heating panels, between adjacent heating panel, telescopically connects together, described heating panel only one block of heating panel links together with described fin integrative-structure, inner fin and inner card cage is provided with in described runner, the bearing of trend of described inner card cage is identical with the distribution arrangement of described two oil pipes, described inner fin is provided with inner fin portion dop, described inner fin can be plugged in described inner card cage to plug by described inner fin portion dop and link together with described fin.
2. the transformer radiator of affixed flexible outer fin according to claim 1 and the inner fin that removably connects, it is characterized in that, circulating pump is provided with in described oil pipe, described circulating pump comprises pump case and is rotationally connected with the pump shaft of pump case, circular interior bar is equipped with rotationally in described pump shaft, the outer peripheral face of described interior bar is provided with the first frictional layer, and the inner surface of described pump shaft is provided with the second frictional layer, together with described interior bar and pump shaft to be connected to the second frictional layer by described first frictional layer.
3. the transformer radiator of affixed flexible outer fin according to claim 2 and the inner fin that removably connects, it is characterized in that, described interior bar comprises 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 the first commutating tooths along the distribution of left bar circumference, 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 the second commutating tooths along the distribution of right bar circumference, and described first commutating tooth and the second commutating tooth mesh together.
4. the affixed flexible outer fin according to Claims 2 or 3 and the transformer radiator of the inner fin that removably connects, is characterized in that, be filled with rubbing agent between described pump shaft and interior bar.
5. the affixed flexible outer fin according to claim 1 or 2 or 3 and the transformer radiator of the inner fin that removably connects, it is characterized in that, circulating pump is provided with in described oil pipe, described circulating pump comprises 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 that mesh together is provided with in described fueling cavity, described first gear links together with described pump shaft, and described second gear is rotatably connected with described pump case, oil-filling mechanism is provided with in described first gear, described oil-filling mechanism comprises 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 unidirectional valve opened towards air cavity, 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, the distance that described seal head stretches out the tooth top of described first gear is greater than the tooth top gap between described first gear and the second gear.
6. the affixed flexible outer fin according to claim 1 or 2 or 3 and the transformer radiator of the inner fin that removably connects, it is characterized in that, described fin is provided with tube connector, described oil pipe is provided with oilhole, the outer end of described oilhole is connected with base, described tube connector and described base link together, and are all fixed together by the mode of welding between described base and described oil pipe, between described base and described tube connector.
7. the transformer radiator of affixed flexible outer fin according to claim 6 and the inner fin that removably connects, it is characterized in that, interior pipe is equipped with in described oilhole, the inner of described interior pipe is provided with the flange of clasp joint at described pipe inner surface, described interior pipe is located in described base and tube connector, metallic packing ring is provided with between the outer peripheral face of described interior pipe outer end and tube connector inner peripheral surface, described sealing ring is axially provided with annular distending groove away from one end of described oil pipe, described distending groove extends along the circumference of sealing ring, described distending groove is communicated with the inner space of described interior pipe, described base, interior pipe and tube connector three weld together.
8. the affixed flexible outer fin according to claim 1 or 2 or 3 and the transformer radiator of the inner fin that removably connects, it is characterized in that, circulating pump is provided with in described oil pipe, described circulating pump comprises 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, some dividing plates are provided with in described shock insulation block, the internal insulation of shock insulation block is gone out the cavity of some bearing of trends along shock insulation block distribution by described dividing plate, elastic diaphragm is provided with in described cavity, described cavity is divided into by described elastic diaphragm fills chamber and vacant chamber, described elastic diaphragm is the bowl shaped structure arched upward towards described filling chamber, quicksand is filled with in described filling chamber, increasing baffle-wall is provided with in described filling chamber, 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 provided with connection first and fills the rubbing hole that chamber is filled in chamber and second, described vacant chamber is provided with the pore of through described shock insulation block.
9. the transformer radiator of affixed flexible outer fin according to claim 8 and the inner fin that removably connects, 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 along deformation guiding groove in shock insulation block axial distribution, and described outer deformation guide channel and interior deformation guide channel are all the cannelure extended along the circumference of shock insulation block.
10. the transformer radiator of affixed flexible outer fin according to claim 9 and the inner fin that removably connects, is characterized in that, described outer deformation guide channel and the alignment of interior deformation guide channel.
CN201510248269.6A 2015-05-16 2015-05-16 Affixed flexible outer fin and the transformer radiator of the inner fin that removably connects Active CN104916399B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0677363A (en) * 1992-08-24 1994-03-18 Fujitsu Ltd Expandable radiation fin
CN2517087Y (en) * 2001-12-20 2002-10-16 朱得文 Cooling device for transformer
CN201285246Y (en) * 2008-09-24 2009-08-05 仪征市永辉散热管制造有限公司 Cooling tube
CN103594991A (en) * 2013-10-14 2014-02-19 镇江众志电力设备有限公司 Bus duct side plate with inserting type heat dissipation plate
CN204042810U (en) * 2014-08-30 2014-12-24 杭州桑帝照明电器有限公司 The radiator of the flexible radiating fin of band
CN204614596U (en) * 2015-05-16 2015-09-02 福建省建阳市安顺变压器配件厂 The transformer radiator of a kind of affixed flexible outer fin and the inner fin that removably connects

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0677363A (en) * 1992-08-24 1994-03-18 Fujitsu Ltd Expandable radiation fin
CN2517087Y (en) * 2001-12-20 2002-10-16 朱得文 Cooling device for transformer
CN201285246Y (en) * 2008-09-24 2009-08-05 仪征市永辉散热管制造有限公司 Cooling tube
CN103594991A (en) * 2013-10-14 2014-02-19 镇江众志电力设备有限公司 Bus duct side plate with inserting type heat dissipation plate
CN204042810U (en) * 2014-08-30 2014-12-24 杭州桑帝照明电器有限公司 The radiator of the flexible radiating fin of band
CN204614596U (en) * 2015-05-16 2015-09-02 福建省建阳市安顺变压器配件厂 The transformer radiator of a kind of affixed flexible outer fin and the inner fin that removably connects

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