It is removably connected with the transformer radiator of outer fin
Technical field
The present invention relates to transformer radiator, more particularly, to a kind of transformer radiator being removably connected with outer fin,
Belong to transformator accessory field.
Background technology
Heat to be produced, that is, load current flows through Transformer Winding and produces heat, these heats are necessary during transformer station high-voltage side bus
To dissipate in time.The part losing this heat is transformer radiator.Existing transformer radiator include two oil pipes and
Some fin being connected between two oil pipes, are communicated with oil pipe and the runner of lower oil pipe, using time-varying in fin
Depressor oil from an oil pipe enter, flow through fin through runner again and heat is lost, finally lower the temperature after transformer oil
Flow back to transformator through another oil pipe.There is the deficiency of radiating effect difference in existing transformer radiator.
Content of the invention
The invention provides a kind of transformer oil flows through, during fin, heat can quickly lose and radiating effect is adjustable
The transformer radiator being removably connected with outer fin, solve the problems, such as that existing transformer radiator radiating effect is poor.
Above technical problem is solved by following technical proposal:A kind of transformator being removably connected with outer fin dissipates
Hot device, including two oil pipes and some fin being connected between two oil pipes, is communicated with described two in described fin
The runner of root oil pipe, the outside of described fin is provided with outer fin and exterior bayonet slot, described inner card cage linear draw-in groove, described outer wing
Piece is provided with outer fin part dop, and described outer fin can be plugged on to plug in described exterior bayonet slot same by described outer fin part dop
Described fin links together, and is provided with circulating pump in described oil pipe, and described circulating pump includes pump case and is rotationally connected with pump case
Pump shaft, described circulating pump is supported in described oil pipe by shock insulation block.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.Arrange circulating pump to make transformer oil be circulated, energy
Enough raising radiating effects further.Circulating pump is supported by shock insulation block, is prevented from shaking between fin and circulating pump
Move and transmit mutually and produce collision and lead to damage and electrical contact bad.During the assembling present invention, environment used according to the invention
Cooling requirements, make outside fin only the outer fin of assembling respective amount and the outer fin of excess is then extracted not from fin
With.
Preferably, being rotationally equipped with circular interior bar in described pump shaft, the outer peripheral face of described interior bar is provided with first and rubs
Wipe layer, the inner surface of described pump shaft is provided with the second frictional layer, and described interior bar and pump shaft are rubbed by described first frictional layer and second
Wipe layer to abut together.Setting circulating pump, enables to transformer oil and normally circulates in runner, and plays raising radiating effect
Fruit and the effect of radiating reliability.When pump shaft produces distortion, pump shaft can produce with respect to interior bar and rotate, external friction layer during rotation
Produce friction energy-absorbing with the second frictional layer and eliminate torsional forces, therefore the distortion resistance of pump shaft is good.
Preferably, described interior bar includes left bar and right bar, the left end of described left bar passes through left energy-absorbing spring with described pump
Axle links together, and the right side of described left bar is provided with some first commutating tooths circumferentially distributed along left bar, the right side of described right bar
End is linked together with described pump shaft by right energy-absorbing spring, and the left side of described right bar is provided with some circumferentially distributed along right bar
Second commutating tooth, described first commutating tooth and the second commutating tooth mesh together.When pump shaft distortion drives interior bar also to produce torsion
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 lead to when separately
Energy-absorbing camber of spring and energy-absorbing.Pass through pump shaft distortion resistance further.
Preferably, being filled with abrasivuss between described pump shaft and interior bar.The first frictional layer and second during using
When frictional layer produces abrasion and leads to friction energy-absorbing effect to decline, abrasivuss can be filled into the first frictional layer and the second frictional layer
Between and make the first frictional layer and the second frictional layer remain on good friction energy-absorbing effect, thus solving under frictional force
Fall is unable to the abutting power easily adjusting between the first frictional layer and the second frictional layer and adjusts the problem of frictional force(Existing
Solve abrasion and lead to frictional force decline method all by change pressure realize).
Preferably, described pump shaft passes through two bearings in described pump case, shape between described pump case and two bearings
Become fueling cavity, described oiling intracavity is provided with the first gear meshing together and second gear, and described first gear is with described pump
Axle links together, 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 include oil-out, gas supplementing opening, seal head, drive seal head seal up the first spring of oil-out, cylinder body and
Slipper seal is connected to the piston of cylinder body, and described cylinder body is divided into air cavity and oil pocket by described piston, and 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, and it is same that described oil-out passes through oil duct
Described oil pocket is connected, and described gas supplementing opening is connected with described air cavity by air flue, and described oil-out is arranged at described first tooth
The tooth top of wheel, the distance that described seal head stretches out the tooth top of described first gear is more than between described first gear and second gear
Tooth top gap.During use, load onto lubricating oil in oil pocket, when pump shaft rotates, drive first gear to rotate, when first gear rotates
To the tooth being provided with oil-out mesh together with second gear when, the teeth groove of first gear drives in seal head indentation gear, close
Make when strip of paper used for sealing inside contracts to drive piston to move towards oil pocket also by connecting rod while the first spring energy-storage and drive lubrication in oil pocket
Oil flows to oil-out through oil duct and flows to fueling cavity thus realizing the lubrication to bearing;When seal head staggers with teeth groove,
In the presence of one spring, seal head reseals oil-out, and the proceduredriven piston of seal head movement moves towards air cavity, this
When due to the oil in oil pocket part flow out, therefore oil pocket in pressure be less than air cavity pressure, check valve open and make to have leisure
Gas add in oil pocket and by fueling cavity unnecessary have in recovery oil suction chamber so that next time piston press oil pocket when lubricating oil
Can reliably flow out.Achieve the self-lubricate of circulating pump.
Preferably, described fin is provided with connecting tube, described oil pipe is provided with oilhole, and the outer end of described oilhole is connected with pipe
Seat, described connecting tube and described base link together, between described base and described oil pipe, described base and described connecting tube
Between all by welding by way of be fixed together.Radiographic inspection can be passed through.It is easy to find the junction of fin and oil pipe
Whether poor sealing.
Preferably, being equipped with inner tube in described oilhole, the inner of said inner tube is provided with clasp joint in described pipe inner surface
Flange, said inner tube is located in described 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, described sealing ring is provided with annular distending groove, described distending groove edge axially away from one end of described oil pipe
Sealing ring circumferentially extending, described distending groove connects with the inner space of said inner tube, 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.
Preferably, described shock insulation block is tubular structure, in described shock insulation block, it is provided with some dividing plates, described dividing plate is by shock insulation
The internal insulation of block goes out the cavity of some distributions of the bearing of trend along shock insulation block, is provided with elastic diaphragm, described bullet in described cavity
Property barrier film described cavity is divided into filled cavity and vacant chamber, described elastic diaphragm is that the bowl-type arching upward towards described filled cavity is tied
Structure, described filling intracavity is filled with quicksand, is provided with increasing baffle-wall in described filled cavity, and described filled cavity is divided into by described increasing baffle-wall
First filled cavity and the second filled cavity, described increasing baffle-wall is communicated with the first filled cavity and the rubbing hole of the second filled cavity, described
Vacant chamber is provided with the pore of shock insulation block described in insertion.During use, fin is supported by shock insulation block.When produce vibration after
Shake block is deformed, the deformation of shock insulation block lead to motion that elastic diaphragm deforms towards vacant chamber and reset, meanwhile quicksand exist
Flow back and forth between first filled cavity and the second filled cavity, rub each other and consume vibrational energy during quicksand flowing, stream
Sand flow is crossed during rubbing hole with the friction aggravation between rubbing hole friction and quicksand so that weakening energy-absorbing effect is more notable.
Preferably, the outer peripheral face of described shock insulation block is provided with some outer deformation guiding grooves being axially distributed along shock insulation block, institute
The inner peripheral surface stating shock insulation block is provided with some interior deformation guiding groove, described outer deformation guiding groove and interior shapes being axially distributed along shock insulation block
Become guiding groove all into the circumferentially extending cannelure along shock insulation block.When can improve vibrated, shock insulation block drives quicksand flowing
Reliability.
Preferably, described outer deformation guiding groove and the alignment of interior deformation guiding groove.Shock insulation block is made to have good absorbing
Effect and rigidity.
Present invention tool has the advantage that:Good heat dissipation effect;Isolating affection between circulating pump and fin is good;Radiating effect
Can change as needed, versatility is good.
Brief description
Fig. 1 is the schematic diagram of the embodiment of the present invention one.
Fig. 2 is the cross-sectional view of fin.
Fig. 3 is the schematic diagram of 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 embodiment two.
The schematic diagram of Fig. 8 embodiment three.
Fig. 9 is connecting tube and the attachment structure schematic diagram of oil pipe.
Figure 10 is the close-up schematic view at the C of Fig. 9.
Figure 11 is the cross-sectional schematic of the shock insulation block in example IV.
In figure:Oil pipe 1, oilhole 11, base 12, fin 2, runner 21, connecting tube 22, exterior bayonet slot 24, inner tube 4, flange
41st, 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, the 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, outer fin part dop 71, 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, filled cavity 941, the first filled cavity 9411, second are filled
Chamber 9412, vacant chamber 942, pore 9421, elastic diaphragm 95, increasing baffle-wall 96, rubbing hole 961, seal head stretch out first gear
Tooth top apart from tooth top gap L2 between L1, first 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 being removably connected with outer fin, including two oil pipe 1 Hes
Some fin 2 being connected between two oil pipes.Two oil pipes 1 are in that above-below direction level distribution direction extends.Oil pipe 1 middle position
It is provided with circulating pump 5 in the oil pipe of top.Circulating pump 5 is vacantly connected in oil pipe 1 by four support blocks 9.Outside fin 2
It is provided with some outer fins 7.
Referring to Fig. 2, in fin 2, it is provided with runner 21.Runner 21 is by two oil pipes 1(Referring to Fig. 1)Connection.Fin 2
Outside is provided with outer fin 7 and exterior bayonet slot 24.Exterior bayonet slot 24 is vertically extending linear draw-in groove.Outer fin 7 is provided with outer
Fin part dop 71.Outer fin 7 can be plugged on to plug in exterior bayonet slot 24 by outer fin part dop 71 and be connected to fin 2
Together.Outer fin part dop 71 can be plugged on to plug as in draw-in groove 24.In figure is to be equipped with one in each exterior bayonet slot
The outer fin of piece, is according to the cooling requirements of radiator, and unnecessary outer fin 7 can be pulled up from fin 2, made during use
Obtain the present invention and meet cooling requirements in the way of most economical.
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
Form fueling cavity 56 between shell 52 and two bearings 55.It is provided with first gear 58 and second gear 57 in 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, it is provided with oil-filling mechanism 8.The number of oil-filling mechanism 8 is with the number of teeth phase of 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.On the tooth top 581 of same tooth that the oil-out 81 of same oil-filling mechanism and gas supplementing opening 82 are arranged at first gear 58,
The tooth top of same tooth only arranges oil-out and the 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 slipper seal 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 air cavity 851 unlatching.Piston 86 passes through connecting rod 862 with sealing
83 link together.Connecting rod 862 links together with slipper seal between first gear 58 so that the same air cavity of oil-out 81
851 disconnections.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 first gear 58, the as hole in first gear 58.
The process of the lubrication of the bearing in circulating pump of the present invention is:
Referring to Fig. 6, during first gear 58 rotates, the bottom surface crush seal 83 of the teeth groove of second gear 57 is to the
One gear 58 contract, seal head 83 shrinks and so that oil-out 81 is opened and made the first spring 84 energy storage.
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 flow to oil-out 81 through oil duct 87 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
Flow to oil pocket 852 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 to squeeze out lubricating oil when piston 86 moves towards oil pocket 852 next time.
Embodiment two, the difference with embodiment one is:
Referring to Fig. 7, in pump shaft 51, it is equipped with the interior bar 511 of circle.Interior bar 511 is tubular structure.The inner surface of pump shaft 51
It 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 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
Can spring 513 link together with pump shaft 51.The right side of left bar 5111 is provided with some 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 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 internal friction layer 512 abut together with and rotatable with pump shaft 51
Link together.It is filled with the abrasivuss of liquid in pump shaft 51.
When pump shaft 51 produces distortion, pump shaft 51 can produce relative rotation with respect to interior bar 511, external friction in motor process
Layer 5113 and internal friction layer 512 rub and consume energy and play the effect stoping 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 change 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 internal friction 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 producing, thus realizing 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, the difference with embodiment two is:
Referring to Fig. 8, fin 2 is provided with the connecting tube 22 of some same runner 21 connections.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.It is equipped with inner tube 4 in oilhole 11.Inner tube 4 interior
End is provided with flange 41.Inner tube 4 pierces in connecting tube 22 correspondingly after passing through base 12 and realizes oil pipe 1 with fin 2
Runner 21 connection.
Referring to Fig. 9, flange 41 clasp joint is on oil pipe 1 inner peripheral surface.Flange 41 and oil pipe 1 inner peripheral surface are only by way of abutting
Link together.The intersection of base 12, inner tube 4 and connecting tube 22 three welds together and forms weld seam 6.Weld seam 6 will be managed
Seat 12, inner tube 4 and connecting tube 22 three are sealed connected together.
Referring to Figure 10, between the outer peripheral face of inner tube 4 outer end and connecting tube 22 inner peripheral surface, it is provided with metallic packing ring 42.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.
Example IV, the difference with embodiment three is:
Referring to Figure 11, fin 2(Referring to Fig. 1)Lower end is additionally provided with some shock insulation blocks 9.Shock insulation block 9 is tubular structure.Shock insulation
The outer peripheral face of block 9 is provided with some outer deformation guiding grooves 91.Outer deformation guiding groove 91 is axially distributed along shock insulation block 9.Shock insulation block 9 interior
Side face is provided with some interior deformation guiding grooves 92.Interior deformation guiding groove 92 is axially distributed along shock insulation block 9.Outer deformation guiding groove 91 and interior
Deformation guiding groove 92 is all the circumferentially extending cannelure along shock insulation block 9.Outer deformation guiding groove 91 and interior deformation guiding groove 92 are right
Together.It is provided with 4 dividing plates 93 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 cavity 94 edges
The axial directional distribution of shock insulation block 9.It is provided with elastic diaphragm 95 in cavity 94.Cavity 94 is divided into filled cavity by elastic diaphragm 95
941 and vacant chamber 942.Elastic diaphragm 95 is the bowl shaped structure arching upward towards filled cavity 941.It is provided with increasing baffle-wall in filled cavity 941
96.Increase baffle-wall 96 and filled cavity 941 is divided into the first filled cavity 9411 and the second filled cavity 9412.Increase baffle-wall 96 and be communicated with the
One filled cavity 9411 and the rubbing hole 961 of the second filled cavity 9412.It is filled with quicksand, quicksand does not have in figure in filled cavity 941
Draw.Vacant chamber 942 is provided with the pore 9421 of insertion shock insulation block 9.