It is removably connected with the transformer radiator of inner fin
Technical field
The present invention relates to transformer radiator, more particularly to a kind of transformer radiator for being removably connected with inner fin,
Belong to transformer accessory field.
Background technology
Heat, i.e. load current will being produced during transformer station high-voltage side bus and flowing through Transformer Winding generation heat, these heats are necessary
To dissipate in time.The part for losing the heat is transformer radiator.Existing transformer radiator include two oil pipes and
Some fin being connected between two oil pipes, are communicated with the runner of oil pipe and lower oil pipe, using time-varying in fin
Depressor oil from an oil pipe enter, again through runner flow through fin and heat is lost, finally lower the temperature after transformer oil
Transformer is flowed back to through another oil pipe.Existing transformer radiator has the following disadvantages:When transformer oil flows through runner, heat
Fin can not be passed to quickly and be lost, so radiating effect is poor.
Content of the invention
The invention provides heat can quickly pass to the radiating effect of fin when a kind of transformer oil flows through fin
The transformer radiator for being removably connected with inner fin that fruit can change, solves existing transformer radiator radiating effect
Poor problem.
Above technical problem is solved by following technical proposal:A kind of transformer for being removably connected with inner fin dissipates
Hot device, including two oil pipes and some fin being connected between two oil pipes, is communicated with described two in the fin
The runner of root oil pipe, is provided with inner fin and inner card cage in the runner, the bearing of trend of the inner card cage is with two oil pipes
Distribution arrangement identical, the inner fin is provided with inner fin portion dop, and the inner fin can be pulled out by inner fin portion dop
It is plugged in the inner card cage slottingly and is linked together with the fin.During the assembling present invention, environment used according to the invention
Cooling requirements so that in runner only the inner fin of assembling respective amount and the inner fin of excess is then extracted from runner.Pass through
Inner fin is set in fin, by increasing capacitance it is possible to increase the surface area of runner, it is same that water passage surface product increase can then increase transformer oil
The contact area of runner, so that heat quickly can pass to fin when transformer oil flows through oil duct, plays raising and dissipates
The effect of thermal effect.Radiating effect can change as needed, and versatility is good, and the radiating effect of existing fin is fixed
Constant.
Preferably, being provided with circulating pump in the oil pipe, the circulating pump includes pump case and is rotationally connected with the pump of pump case
Circular interior bar is rotationally equipped with axle, the pump shaft, and the outer peripheral face of the interior bar is provided with the first frictional layer, the pump shaft
Inner surface is provided with the second frictional layer, and the interior bar is together with pump shaft passes through first frictional layer and the second frictional layer is abutted.
Circulating pump is set, is enabled to transformer oil and is normally circulated in runner, and play raising radiating effect and radiating reliability
Effect.When pump shaft produces distortion, pump shaft can produce rotation relative to interior bar, and during rotation, external friction layer and the second frictional layer are produced
Give birth to friction energy-absorbing and eliminate torsional forces, therefore the distortion resistance of pump shaft is good.
Preferably, the interior bar includes that left bar and right bar, the left end of the left bar pass through left energy-absorbing spring with the pump
Axle links together, and the right side of the left bar is provided with some the first commutating tooths circumferentially distributed along left bar, the right side of the right bar
End is linked together with the pump shaft by right energy-absorbing spring, and the left side of the right bar is provided with some circumferentially distributed along right bar
Second commutating tooth, first commutating tooth and the second commutating tooth mesh together.Interior bar is driven also to produce torsion when pump shaft is distorted
Qu Shi, can drive right bar and left bar circumferentially spaced in the presence of the first commutating tooth and the second commutating tooth, can cause when separating
Energy-absorbing camber of spring and energy-absorbing.Pump shaft distortion resistance is further passed through.
Preferably, being filled with rubbing agent between the pump shaft and interior bar.The first frictional layer and second during use
When frictional layer produces abrasion and causes friction energy-absorbing effect to decline, rubbing agent can be filled into the first frictional layer and the second frictional layer
Between and cause the first frictional layer and the second frictional layer to remain on good friction energy-absorbing effect, so as to solve under frictional force
Drop is unable to the abutting power easily adjusted between the first frictional layer and the second frictional layer and adjusts the problem of frictional force(Existing
Solution abrasion and cause the method that frictional force declines all by changing pressure realizing).
Preferably, being provided with circulating pump in the oil pipe, the circulating pump includes that pump case and pump shaft, the pump shaft pass through two
Individual bearings form fueling cavity between the pump case, the pump case and two bearings, be provided with and be engaged in the fueling cavity
First gear together and second gear, the first gear link together with the pump shaft, and the second gear is with described
Pump case is rotatably connected;Oil-filling mechanism is provided with the first gear, the oil-filling mechanism include oil-out, gas supplementing opening,
Seal head, seal head is driven to seal up the first spring of oil-out, cylinder body and be slidingly sealed the piston for being connected to cylinder body, the work
The cylinder body is divided into air cavity and oil pocket by plug, and the piston is provided with the check valve of air cavity unlatching, and the piston is by connecting
Bar links together with the seal head, and the oil-out is connected with the oil pocket by oil duct, and the gas supplementing opening passes through gas
Road is connected with the air cavity, and the oil-out is arranged at the tooth top of the first gear, and the seal head stretches out described first
The distance of the tooth top of gear is more than the tooth top gap between the first gear and second gear.During use, profit is loaded onto in oil pocket
Lubricating oil, drives first gear to rotate when pump shaft is rotated, when first gear turns to the tooth for being provided with oil-out with second gear engagement
When together, the teeth groove of first gear is driven in seal head indentation gear, while making the first spring energy-storage when sealing strip is inside contracted
Drive piston to move towards oil pocket also by connecting rod and drive lubricating oil in oil pocket oil-out to be flowed to through oil duct and flow fueling cavity
So as to realize the lubrication to bearing;When seal head staggers with teeth groove, in the presence of the first spring, seal head is resealed
Oil-out, seal head movement proceduredriven piston towards air cavity move, now due to oil pocket in oil part flow out, therefore
Pressure of the pressure in oil pocket less than air cavity, check valve are opened and air are added in oil pocket and will be unnecessary in fueling cavity
Have in recovery oil suction chamber so that during piston press oil pocket, lubricating oil reliably can flow out next time.Achieve circulating pump from
Dynamic lubrication.
Preferably, the fin is provided with connecting tube, the oil pipe is provided with oilhole, and the outer end of the oilhole is connected with pipe
Seat, the connecting tube and the base link together, between the base and the oil pipe, the base and the connecting tube
Between all by welding by way of be fixed together.Radiographic inspection can be passed through.It is easy to the junction for finding fin and oil pipe
Whether poor sealing.
Preferably, being equipped with inner tube in the oilhole, the inner of said inner tube is provided with clasp joint in the pipe inner surface
Flange, said inner tube is located in the base and connecting tube, the outer peripheral face of said inner tube outer end and connecting tube inner peripheral surface it
Between be provided with metallic packing ring, the sealing ring is provided with annular distending groove, the distending groove edge axially away from one end of the oil pipe
Sealing ring circumferentially extending, the distending groove is connected with the inner space of said inner tube, the 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.
Preferably, being provided with circulating pump in the oil pipe, the circulating pump is supported on the oil pipe by some support blocks
Interior, the support block is tubular structure, is provided with some dividing plates in the support block, and the internal insulation of support block is gone out by the dividing plate
The cavity that some bearing of trends along support block are distributed, is provided with elastic diaphragm in the cavity, and the elastic diaphragm is by the chamber
Body is divided into filled cavity and vacant chamber, and the elastic diaphragm is the bowl shaped structure arched upward towards the filled cavity, the filled cavity
Interior be provided with increasing baffle-wall in the filled cavity filled with quicksand, the increasing baffle-wall by the filled cavity be divided into the first filled cavity and
Second filled cavity, the increasing baffle-wall are communicated with the rubbing hole of the first filled cavity and the second filled cavity, and the vacant chamber is provided with to be passed through
Lead to the pore of the support block.During use, fin is supported by support block.When vibration is produced, support block produces change
Shape, support block deformation causes the motion that elastic diaphragm deforms towards vacant chamber and reset, at the same time quicksand is in the first filled cavity
And second flow between filled cavity back and forth, when quicksand flows between friction and consume vibrational energy, quicksand flows through friction
Friction aggravation between the friction of Kong Shitong rubbing holes and quicksand so that weakening energy-absorbing effect is more notable.So as to effective
Reduce the vibration unofficial biography that produce when transformer oil flows and cause periphery electric component to produce electrical contact bad phenomenon.
Preferably, the outer peripheral face of the support block is provided with some outer deformation guiding grooves being axially distributed along support block, institute
The inner peripheral surface for stating support block is provided with some interior deformation guiding grooves being axially distributed along support block, the outer deformation guide channel and interior shape
Become guide channel all into the circumferentially extending cannelure along support block.When can improve vibrated, support block drives quicksand to flow
Reliability.
Preferably, the outer deformation guide channel and the alignment of interior deformation guide channel.So that support block has good absorbing
Effect and rigidity.
Present invention tool has the advantage that:Good heat dissipation effect;Radiating effect can change as needed, and versatility is good.
Description of the drawings
Schematic diagrames of the Fig. 1 for the embodiment of the present invention one.
Cross-sectional views of the Fig. 2 for fin.
Schematic diagrames of the Fig. 3 for circulating pump.
Fig. 4 is the cross-sectional schematic of first gear and 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.
The cross-sectional schematic of the pump shaft in Fig. 7 embodiments two.
The schematic diagram of Fig. 8 embodiments three.
Fig. 9 is the attachment structure schematic diagram of connecting tube and oil pipe.
Figure 10 is the close-up schematic view at the C of Fig. 9.
Cross-sectional schematics of the Figure 11 for support block.
In figure:Oil pipe 1, oilhole 11, base 12, fin 2, runner 21, connecting tube 22, inner card cage 23, inner fin 3, interior
Fin part dop 31, 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, the first commutating tooth 5114, the second commutating tooth 5115, interior frictional layer 512, left energy-absorbing spring
513rd, the tooth top 581, second gear of right energy-absorbing spring 514, pump case 52, bearing 55, fueling cavity 56, first gear 58, the first tooth
57th, short axle 571, weld seam 6, oil-filling mechanism 8, oil-out 81, gas supplementing opening 82, seal head 83, the first spring 84, cylinder body 85, air cavity
851st, oil pocket 852, piston 86, check valve 861, connecting rod 862, oil duct 87, air flue 88, support block 9, outer deformation guiding groove 91, interior
Deformation guiding groove 92, dividing plate 93, cavity 94, filled cavity 941, the first filled cavity 9411, the second filled cavity 9412, vacant chamber 942,
Pore 9421, elastic diaphragm 95, increase baffle-wall 96, rubbing hole 961, seal head stretch out first gear tooth top apart from L1, first
Tooth top gap L2 between gear and second gear.
Specific embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment one, referring to Fig. 1, a kind of transformer radiator for being removably connected with inner fin, including two 1 Hes of oil pipe
Some fin 2 being connected between two oil pipes.Two oil pipes 1 extend in above-below direction level distribution direction.1 middle position of oil pipe
Circulating pump 5 is provided with the oil pipe of top.Circulating pump 5 is vacantly connected in oil pipe 1 by four support blocks 9.
Referring to Fig. 2, in fin 2, runner 21 is provided with.Runner 21 is by two oil pipes 1(Referring to Fig. 1)Connection.Runner 21 is provided with
Some inner card cages 23.Inner card cage 23 is vertically extending linear draw-in groove.Some inner fins 3 are provided with runner 21.Interior
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 is connected with fin 2
Together.Inner fin portion dop 31 can be plugged on to plug in inner card cage 23.It is to be equipped with one in each draw-in groove in figure
Piece inner fin, is according to the cooling requirements of radiator, and unnecessary inner fin 3 from runner 21 can be extracted, be made during making
It is able to most economical mode and meets cooling requirements.
Referring to 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.Pump
Fueling cavity 56 is formed between shell 52 and two bearings 55.First gear 58 and second gear 57 are provided with fueling cavity 56.First tooth
Wheel 58 and second gear 57 mesh together.First gear 58 links together with pump shaft 51.Second gear 57 passes through short axle 571
It is rotatably connected with pump case 52.
Referring to Fig. 4, in first gear 58, oil-filling mechanism 8 is provided with.Number of teeth phase of the number of oil-filling mechanism 8 with first gear 58
Deng.
Referring to Fig. 5, oil-filling mechanism 8 includes oil-out 81, gas supplementing opening 82, seal head 83, the first spring 84, cylinder body 85 and lives
Plug 86.The oil-out 81 and gas supplementing opening 82 of same oil-filling mechanism be arranged on the tooth top 581 of the same tooth of first gear 58,
The tooth top of same tooth only arranges the oil-out and gas supplementing opening of an oil-filling mechanism, i.e., oil-filling mechanism and the first tooth in the present embodiment
The tooth of wheel 58 is arranged correspondingly.Seal head 83 and the first spring 84 are arranged in oil-out 81, in the first spring 84
In the presence of seal head 83 stretch out tooth top 581 and seal up oil-out.Seal head stretches out the big apart from L1 of the tooth top of first gear
Tooth top gap L2 between first gear and second gear(Referring to Fig. 6).Cylinder body 85 is formed at first in the way of integrative-structure
Chamber in gear 58, as in first gear 58.Piston 86 is slidingly sealed and is connected to cylinder body 85.Cylinder body 85 is divided into by piston 86
Air cavity 851 and oil pocket 852.Piston 86 is provided with the check valve 861 of the unlatching of air cavity 851.Piston 86 is by connecting rod 862 with sealing
83 link together.Connecting rod 862 links together with being slidingly sealed between first gear 58 so that 81 same air cavity of oil-out
851 disconnect.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 formed in the way of integrative-structure in first gear 58, as the hole in first gear 58.
Referring to Figure 11, support block 9 is tubular structure.The outer peripheral face of support block 9 is provided with some outer deformation guiding grooves 91.Profile
Become guiding groove 91 to be axially distributed along support block 9.The inner peripheral surface of support block 9 is provided with some interior deformation guiding grooves 92.Interior deformation guiding
Groove 92 is axially distributed along support block 9.Outer deformation guiding groove 91 and interior deformation guiding groove 92 are all along the circumferentially extending of support block 9
Cannelure.Outer deformation guiding groove 91 and interior deformation guiding groove 92 align.4 dividing plates 93 are provided with support block 9.4 dividing plates 93 will
The internal insulation of support block 9 goes out 3 cavitys 94.Axial directional distribution of 3 cavitys 94 along support block 9.Bullet is provided with cavity 94
Property barrier film 95.Cavity 94 is divided into filled cavity 941 and vacant chamber 942 by elastic diaphragm 95.Elastic diaphragm 95 is towards filled cavity
941 bowl shaped structures for arching upward.Increasing baffle-wall 96 is provided with filled cavity 941.Increase baffle-wall 96 and filled cavity 941 is divided into the first filled cavity
9411 and second filled cavity 9412.Increase the rubbing hole that baffle-wall 96 is communicated with the first filled cavity 9411 and the second filled cavity 9412
961.Quicksand is filled with filled cavity 941, and quicksand is not drawn in figure.Vacant chamber 942 is provided with the pore of insertion support block 9
9421.
The process of the lubrication of the bearing in circulating pump of the present invention is:
Referring to Fig. 6, during first gear 58 is rotated, the bottom surface crush seal 83 of the teeth groove of second gear 57 is to the
One gear, 58 contract, seal head 83 shrink and so that oil-out 81 open and cause 84 energy storage of the first spring.
Referring to Fig. 5, piston 86 is driven to move towards oil pocket 852 also by connecting rod 862 when seal head 83 shrinks, oil pocket 852
Interior pressure rise check valve 861 is closed and oil pocket 852 in lubricating oil through oil duct 87 flow to oil-out 81 and from fuel-displaced
Flow out in mouth 81 and realize the lubrication to bearing 55.
When second gear loses the squeezing action to seal head 83, in the presence of the first spring 84, seal head 83 is outer moves
And oil-out 81 is sealed up, drive piston 86 to move towards air cavity 851 by connecting rod 862 when seal head 83 stretches out, oil pocket 852
Interior pressure drop and pressure in air cavity 851 rises so that check valve 861 is opened, unnecessary oil in air and fueling cavity 56
Oil pocket 852 is flowed to through gas supplementing opening 82, air flue 88 and check valve 861 so that the pressure in oil pocket 852 can maintain same gear
Air pressure in outside is equal, can squeeze out lubricating oil when moved towards oil pocket 852 so as to piston 86 next time.
Embodiment two, with the difference of embodiment one be:
Referring to Fig. 7, the interior bar 511 of circle in pump shaft 51, is equipped with.Interior bar 511 is tubular structure.The inner surface of pump shaft 51
It is provided with interior frictional 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 all sets
There is 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 by left suction
Energy spring 513 links together with pump shaft 51.The right side of left bar 5111 is provided with some the first commutations circumferentially distributed along left bar
Tooth 5114.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 circumferentially distributed along right bar.First commutating tooth 5114 and the second commutating tooth 5115 mesh together.
Left bar 5111 and right bar 5112 also all by external friction layer 5113 with interior frictional layer 512 abut together with and rotatable with pump shaft 51
Link together.Rubbing agent in pump shaft 51 filled with liquid.
When pump shaft 51 produces distortion, pump shaft 51 can produce relative rotation relative to interior bar 511, external friction in motion process
Layer 5113 and interior frictional layer 512 rub and consume energy and play a part of to prevent twisting.If the moment of torsion of pump shaft 51 and lead
When having caused interior bar 511 also to produce twisting together, now left bar 5111 and right bar 5112 can be changed in the first commutating tooth 5114 and second
Axially spaced under the guide effect of tooth 5115, separation process is not only able to so that external friction layer 5113 is with interior frictional layer
512 produce friction 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 for producing, so as to realize the distortion resistance for improving pump shaft.And right energy-absorbing spring 514 and left energy-absorbing spring
513 can also play a part of to repair pump shaft 51.
Embodiment three, with the difference of embodiment two be:
Referring to Fig. 8, fin 2 is provided with the connecting tube 22 of some connections of same runner 21.Oil pipe 1 is provided with some oilholes 11.Oil
The outer end in hole 11 is connected with base 12.Base 12 and oil pipe 1 weld together.Inner tube 4 is equipped with oilhole 11.Inner tube 4 interior
End is provided with flange 41.Inner tube 4 is pierced into through after base 12 correspondingly in connecting tube 22 and realizes oil pipe 1 with fin 2
Runner 21 connection.
Referring to Fig. 9,41 clasp joint of flange is on 1 inner peripheral surface of oil pipe.Flange 41 and 1 inner peripheral surface of oil pipe are only by way of abutting
Link together.Base 12, the intersection of 22 three of inner tube 4 and connecting tube weld together and form weld seam 6.Weld seam 6 will pipe
Seat 12, inner tube 4 and 22 three of connecting tube are sealed connected together.
Referring to Figure 10, between 22 inner peripheral surface of the outer peripheral face of 4 outer end of inner tube and connecting tube, metallic packing ring 42 is provided with.Sealing ring
42 are 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 connect with the inner space of inner tube 4.