CN206610724U - A kind of three-phase five-limb amorphous alloy transformer - Google Patents

Abstract

The utility model provides a kind of three-phase five-limb amorphous alloy transformer, and three-phase five-limb amorphous alloy transformer includes non-crystaline amorphous metal, coil, folder, transformer framework and transformer-cabinet；Folder is divided into upper clamping piece, lower clamping piece and side folder, also include denoising device in transformer, denoising device includes reinforcement and damping device, damping device is divided into the first damping device and the second damping device, second damping device includes bottom plate and lower damper, is connected between bottom plate and transformer-cabinet by lower damper；Lower damper is provided with damper under lower damper, the lower damper opposite central of residue in lower clamping piece bottom quantity N >=3, and at transformer framework lower center position and is centrosymmetric distribution all the time.The utility model using multiple damping, transmit to greatest extent by the upper vibration weakened between non-crystaline amorphous metal and transformer-cabinet, effectively increases the resistance to shock of denoising device；And damping device assembling is simple.

Description

A kind of three-phase five-limb amorphous alloy transformer

Technical field

The utility model is related to technical field of transformer equipment, more particularly to a kind of three-phase five-limb amorphous alloy transformation Device.

Background technology

With the fast development of electric power network, dry-type transformer is relatively conventional electric energy transfer device in electric power network, When transformer is used in wet condition for a long time, the insulating properties of transformer interior loop winding can decline, and to a certain extent can Stability in use and safety in utilization are influenceed, while transformer can operationally produce vibrations, it can produce certain to environment Pollution, while vibrations can also influence the service life of transformer to transformer for a long time, applicability and practicality are restricted.

Such as Chinese patent CN203013483U discloses a kind of efficient squelch type amorphous dry-type transformer, transformer master Will include high-tension coil, low-voltage coil, amorphous alloy iron core, iron-core draw-board, coil insulation briquetting, iron core folder, silicon rubber into Type part and transformer base, it is characterised in that with silicon rubber formed part width to branch between the high-tension coil and low-voltage coil Support positioning, the high-tension coil, low-voltage coil carry out axial compression by coil insulation briquetting and are set on amorphous alloy iron core, The amorphous alloy iron core is cemented on iron-core draw-board by epoxy resin makes an entirety, and the iron core folder passes through Fixing device is mounted on transformer base.Utility model increase transformer bears width to electrodynamic ability, eliminates The transformer load noise as caused by operating current, and improve amorphous alloy epoxy dry type transformation in normal operation The reliability and security of device, but this using it is new it is middle using silicon rubber formed part width to support position, its resistance to shock compared with It is weak, therefore its anti-acoustic capability is faint in high load situations.In another example Chinese patent CN205069310U utility models are disclosed A kind of noise reducing type amorphous alloy dry-type transformer, including amorphous core, coil and folder, the amorphous core include upper yoke, Lower yoke and the core limb being arranged between the upper yoke and lower yoke, the coil are socketed in the iron core of the amorphous core On post, the folder is in the body structure of inner hollow, and the amorphous core and coil are located in the folder, in amorphous core Filled polymer expanded material between folder and between amorphous core and coil, using the buffering of polymeric foamable material, The vibration that transformer body accordingly occurs by the electric power that coil is produced can be effectively reduced, and can effectively be avoided non- Peritectic alloy dry-type transformer causes open circuit loss increase and the generation of iron core chips because of the extra-stress that vibration is produced, while can be with The corresponding noise for reducing transformer；The utility model uses polymeric foamable material to carry out the buffering between iron core and folder to subtract Weak vibration transmission, but the bolster generally has the physical property decision of expanded material, the bolster so largely limited Buffer capacity, the resistance to shock of the bolster is unsatisfactory under high capacity or high-power transformer.

The content of the invention

To overcome the low problem of resistance to shock present in prior art, it is non-that the utility model provides a kind of three-phase five-limb Peritectic alloy transformer.

The utility model provides a kind of three-phase five-limb amorphous alloy transformer, and the three-phase five-limb amorphous alloy becomes Depressor includes non-crystaline amorphous metal, folder, transformer framework and transformer-cabinet；Transformer framework is located in transformer tank body, transformation The overall amorphous alloy dry-type transformer of device framework support；Non-crystaline amorphous metal include upper yoke, lower yoke and be arranged on upper yoke and under Iron core column between iron yoke, folder is divided into upper clamping piece, lower clamping piece and side folder, and upper clamping piece is fixed on above upper yoke, lower clamping piece It is fixed on below lower yoke, side folder, which is located in the non-crystaline amorphous metal left and right sides, the transformer, also includes denoising device, the drop Device of making an uproar include reinforcement and damping device, the reinforcement be located at transformer upper clamping piece side wall, reinforcement by upper clamping piece with Side folder is connected as overall structure；Transformer bottom and transformer top are mounted on damping device；It is characterized in that：It is described to subtract Shake device is divided into the first damping device and the second damping device, and first damping device is at the top of upper clamping piece, and described second Damping device is located between transformer framework bottom and transformer-cabinet；Second damping device includes bottom plate and subtracted with Device is shaken, the bottom plate is located at transformer framework bottom, connected between bottom plate and transformer-cabinet by lower damper, Bottom plate is provided with damping chamber, and damping intracavitary sets damper；The lower damper in bottom plate bottom quantity N >=3, and All the time it is in center pair that damper under lower damper, the lower damper opposite central of residue is provided with transformer framework lower center position Claim distribution.Further, the reinforcement is made up of the first long square plate and the second long square plate, the center position of the first long square plate It is welded and fixed with the second long square plate center position, the two ends on the first rectangular plate axial direction are all provided with fluted A, described Groove A openends the first long square plate bottom of direction, groove A width and upper clamping piece consistency of thickness.

Further, the reinforcement is made up of the first long square plate and the second long square plate, the center of the first long square plate Place is welded and fixed with the second long square plate center position, and the two ends on the first rectangular plate axial direction are all provided with fluted A, institute Groove A openends are stated towards the first long square plate bottom, groove A width and upper clamping piece consistency of thickness.

Further, the two ends of the described second rectangular plate axial direction are again provided with groove B, and groove B open sections are towards the Two long square plate bottoms, groove B width and side folder consistency of thickness, the second long square plate is by groove B buttons at the top of the folder of side.

Further, the groove A and groove B are provided with rubber layer with upper clamping piece contact portion respectively.

Further, the lower damper includes at the top of connecting rod and stage clip, the stage clip connection connecting rod and damping chamber Top；The connecting rod is in I-shaped connecting rod, and the connecting rod bottom is connected by fixture with transformer-cabinet, connecting rod Top is located at damping intracavitary portion.

Further, damper is 5 in transformer framework bottom quantity.

Further, the rectangular groove of damping chamber, rectangular channel right angle is with arc transition, and four sides of connecting rod top are equal For the arcwall face of identical radian measure, the arcwall face is towards connecting rod top center.

Further, the right angle of the damping chamber, which has, is provided with roller in chute I, chute I；The connecting rod top Relative damping chamber square position is provided with relative chute II at portion corner, and the chute II is arc surface；At the top of the connecting rod Thickness is more than or equal to the 3/2 of roller radius.

Further, the damping chamber side wall be provided with rubber blanket, the rubber blanket both sides respectively with damping chamber side wall, even Extension bar top curve face is contacted.

Further, the stage clip is in positive angular distribution in damping top of chamber, and stage clip is highly at least damping chamber height 1/2。

Compared with prior art, the beneficial effects of the utility model are：

(1) transformer weakens non-by the way that reinforcement and the multiple damping of damping device progress are upper to greatest extent in the utility model Vibration transmission between peritectic alloy and transformer-cabinet, so as to weaken transformer framework vibration, reduces the generation of noise, effectively Improve the resistance to shock of denoising device；Damping device assembling simultaneously is simple, does not increase the assembling intensity of technical staff, simultaneously should Lower damper distribution sets the efficient cushioning effect that ensure that the second damping device.

(2) lower damper is in transformer framework bottom quantity N >=3 in the utility model, wherein small number of damper Its damping effect to transformer bottom is faint, while the pressure suffered by single damper is excessive, fragile damper shortens Service life；And although greater number of damper possesses excellent cushioning effect, but production cost can be increased；Lower damper exists The bottom quantity of transformer framework 1 is 5, and the lower damper quantity, which is chosen, ensure that the optimal cushioning effect of the second damping device and most The optimal comprehensive matching of few production cost.

(3) damping chamber described in the utility model at the top of connecting rod with passing through phase between chute I, roller and chute II three To sliding, it is ensured that all the time in being in rolling contact between at the top of damping chamber and connecting rod, it is ensured that connecting rod in damping chamber above and below Slip possesses low friction, while again due to damping chamber sidewall rubber, effectively prevent non-crystaline amorphous metal vibration by connecting rod with subtracting Shake the wall contact transmission of chamber side.

(4) bottom plate bottom surface described in the utility model is connected with transformer base by beam, by stage clip and Dual vibration isolation is obtained on the setting of beam, transformer axial direction, mechanical oscillation on transformer axial direction are effectively reduced, It is effectively reduced adverse effect of the transformer vibration and noise to surrounding environment.

Brief description of the drawings

Fig. 1 is amorphous alloy transformer overall schematic；

Fig. 2 is reinforcement and the first damping device connection diagram；

Fig. 3 is the first damping device structural representation；

Fig. 4 is bottom plate schematic bottom view；

Fig. 5 is lower damper schematic diagram；

Fig. 6 is connecting rod schematic top plan view；

Fig. 7 is reinforcement schematic three dimensional views in embodiment 2.

Marked with reference to accompanying drawing thereon：

1- transformer frameworks, 2- upper clamping pieces, 3- sides folder, 4- bottom plates, 41- damping chambers, 42- rubber blankets, 43- rollings Wheel, 44- connecting rods, 45- stage clips, 5- transformer-cabinets, 6- lower clamping pieces, the damping devices of 7- first, 711- beams, 712- bullets Spring, 713- damping pieces, 714- clamping apparatus, 8- reinforcements, the long square plates of 81- first, the long square plates of 82- second, 83- grooves A, 84- Groove B.

Embodiment

Below in conjunction with drawings and examples, the utility model is further elaborated.It should be appreciated that this place is retouched The specific embodiment stated only to explain the utility model, is not used to limit the utility model.

Embodiment 1

A kind of three-phase five-limb amorphous alloy transformer is present embodiments provided, as shown in figure 1, the three-phase five-limb is non- Peritectic alloy transformer includes non-crystaline amorphous metal, coil, folder, transformer framework 1 and transformer-cabinet 5；Amorphous alloy dry-type transformation Device is located in transformer-cabinet 5 using three five-limb transformers, transformer framework 1, and transformer framework 1 supports overall amorphous to close Golden dry-type transformer；Non-crystaline amorphous metal includes upper yoke, lower yoke and the iron core column being arranged between upper yoke and lower yoke, coil Iron core column is sheathed on, non-crystaline amorphous metal is clamped by folder, folder is divided into upper clamping piece 2, lower clamping piece 6 and side folder 3, and upper clamping piece 2 leads to Cross nail pressing and rubber be fixed on above upper yoke, lower clamping piece 6 is fixed on below lower yoke surely again by nail pressing and rubber, around Non-crystaline amorphous metal is fixed on group axial direction；Side folder 3 is located at the non-crystaline amorphous metal left and right sides, and the winding vertical direction to transformer is entered Row is reinforced；Also include denoising device in the anti-acoustic capability of transformer, the transformer to reduce, the denoising device includes strengthening Muscle 8 and damping device, the reinforcement 8 are located at the side wall of upper clamping piece 2 of transformer, and reinforcement 8 uses criss-crossing reinforcing ribs and nothing Shirt rim, overall structure is connected as by reinforcement 8 by upper clamping piece 2 and side folder 3, so as to enhance upper clamping piece 2 and side folder 3 Mechanical strength, weakens vibration frequency and amplitude that upper clamping piece 2 is produced with side folder 3 by non-crystaline amorphous metal electric power；The damping Device is divided into the first damping device 7 and the second damping device, and first damping device 7 is located at the top of upper clamping piece 2, described second Damping device be located between the bottom of transformer framework 1 and transformer-cabinet 5, by damping device can weaken transformer framework 1 with Vibration transmission between transformer-cabinet 5.The height of upper clamping piece 2 is more than upper yoke height, and the top of upper clamping piece 2 exceeds upper iron At the top of yoke, the side wall of upper clamping piece 2 is to upper yoke, and the center position in the side wall of upper clamping piece 2 beyond upper yoke part is provided with through hole a；The height of side folder 3 is more than iron core column height, and wherein the top of side folder 3 is beyond upper yoke height, the upward iron of side wall of side folder 3 Yoke, center position of the side wall of side folder 3 beyond upper yoke part is provided with through hole b, the vertical direction of the criss-crossing reinforcing ribs On be fixed in through hole a, criss-crossing reinforcing ribs horizontal direction and be fixed on through hole b, criss-crossing reinforcing ribs and upper clamping piece 2 or side folder 3 contact portions are provided with rubber, further reduce vibration transmission；By arrangement of the criss-crossing reinforcing ribs structure on upper clamping piece 2, have The vibration of effect reduction transformer upper clamping piece 2 in unloaded or load.Due in the generation of noise upper clamping piece 2 by the way that vibration is reached Transformer framework 1, transformer framework 1 produces vibration and forms noise；Therefore the decrease vibrated by upper clamping piece 2, reduces vibration Transformer framework 1 is reached, is vibrated so as to weaken transformer framework 1, reduces the generation of noise.

Pressed from both sides because under no-load transformer or load running, the upper clamping piece 2 of transformer is present in larger vibration, therefore reduction Transmission is vibrated between part 2 and transformer framework 1 to be effectively suppressed.As shown in Fig. 2 first damping device 7 is located at upper The top of folder 2, the first damping device 7 is respectively arranged on the top of upper clamping piece 2 of coil windings front and rear sides；As shown in figure 3, described One damping device 7 is made up of clamping apparatus 714, buffer layer and beam 711, and clamping apparatus 714 is fixedly connected with the first damping dress 7 and the top of upper clamping piece 2 are put, buffer layer is located between clamping apparatus 714 and beam 711；714 points of the clamping apparatus is preceding card Fishplate bar, middle card adapter plate and rear card adapter plate, preceding card adapter plate, middle card adapter plate and rear card adapter plate three composition U-shaped card fishplate bar are described The front and rear sides wall of upper clamping piece 2 is connected at the opening of clamping apparatus 714, now preceding card adapter plate is located at the front side wall of upper clamping piece 2 Outside；Clamping apparatus 714 is additionally provided with card article, and card article is located at preceding card adapter plate inwall and towards the front side wall of upper clamping piece 2, and card article is towards upper The side of the front side wall of folder 2 is arc-shaped surface.；When clamping apparatus 714 is connected in upper clamping piece 2, card article is located at the front side of upper clamping piece 2 The underface of wall, clamping apparatus 714 ensures the fixation on axial direction by card article；The buffer layer is located at middle card adapter plate top The middle position in portion, the buffer layer is made up of spring 712 and damping piece 713, and spring 712 is sheathed on outside damping piece 713, Now buffer layer whole height control is between 45-50mm, it is preferred that buffer layer whole height is 45mm, and main cause is：When During buffer layer excessive height, its damping effect is unsatisfactory, while too high buffer layer is outside by footpath in use Also easily occurs tilt problem during power, its mechanical strength is inadequate；And when damping layer height is too low, its cushioning effect is faint, it is impossible to Obtain preferable damping effect；Buffer layer whole height uses 45mm by the optimal cushioning effect body of buffer layer in the present embodiment It is existing, while effectively prevent the tilt phenomenon that buffer layer occurs in the course of the work, increase mechanical strength；Beam 711 is placed in At the top of buffer layer, beam 711 is made of rubber, and the base plane size of beam 711 is more than the diameter of spring 712.The One damping device 7 is acted on using dual shock absorption, and the vibration weakened to greatest extent between upper clamping piece 2 and transformer framework 1 is transmitted； Simultaneously the first damping device 7 its fixed on upper clamping piece 2 using clamping apparatus 714, assembling simply, installation time it is short, do not increase The assembly difficulty of technical staff.

As present embodiment it is further preferred that the bottom of the transformer framework 1 subtracts with transformer-cabinet 5 by second Device connection is shaken, second damping device includes bottom plate 4 and lower damper, and the bottom plate 4 is located at transformer frame The bottom of frame 1, is connected between bottom plate 4 and the bottom of transformer-cabinet 5 by lower damper；As shown in figure 4, on bottom plate 4 Provided with damping chamber 41, damper is set in damping chamber 41, the lower damper is in bottom quantity N >=3 of bottom plate 4, and transformation All the time damper under lower damper, the lower damper opposite central of residue is provided with the lower center position of device framework 1 to be centrosymmetric Distribution, lower damper distribution sets the efficient cushioning effect that ensure that the second damping device, and its is right for small number of damper The damping effect of transformer bottom is faint, while the pressure suffered by single damper is excessive, fragile damper, shortening is used Life-span；And although greater number of damper possesses excellent cushioning effect, but production cost can be increased；Subtract under in the present embodiment It is 5 to shake device in the bottom quantity of transformer framework 1, and the lower damper quantity, which is chosen, ensure that the optimal damping of the second damping device is made With the optimal comprehensive matching with minimum production cost.As shown in Figure 5 and Figure 6, the lower damper includes connecting rod 44 and stage clip 45, the top of the connection of stage clip 45 connecting rod 44 and the top of damping chamber 41；The connecting rod 44 is in I-shaped connecting rod, the company The bottom of extension bar 44 is connected by fixture with the bottom of transformer-cabinet 5, and the top of connecting rod 44 is located inside damping chamber 41, described to subtract The rectangular groove of chamber 41 is shaken, rectangular channel right angle is with arc transition, and four sides of the top of connecting rod 44 are the arcwall face of identical radian measure, The arcwall face is towards the top center of connecting rod 44；The right angle of damping chamber 41 has in chute I, chute I and is provided with Roller 43；The relative square position of damping chamber 41 is provided with relative chute II, the chute II at the top corner of connecting rod 44 For arc surface, the chute II circular arcs radius surface is more than or equal to the radius of roller 43, and chute II is by roller 43 with respect on chute II Lower slider, the top thickness of connecting rod 44 is more than or equal to 4 times of the radius of roller 43, it is ensured that the top-side of connecting rod 44 all the time with roller 43 are in contact；The side wall of damping chamber 41 be provided with rubber blanket 42, the both sides of rubber blanket 42 respectively with the side wall of damping chamber 41, even The top curve face of extension bar 44 is contacted；The top of the damping chamber 41 and connecting rod 44 by chute I, roller 43 and chute II three it Between relative slide, it is ensured that all the time in being in rolling contact between damping chamber 41 and the top of connecting rod 44, it is ensured that connecting rod 44 is subtracting Slided up and down in shake chamber 41 and possess low friction, while effectively prevent non-crystaline amorphous metal due to the sidewall rubber pad 42 of damping chamber 41 again Vibration contacts transmission by connecting rod 44 with the side wall of damping chamber 41；The stage clip 45 is in positive angular distribution at the top of damping chamber 41, Stage clip 45 is highly at least the 1/2 of the height of damping chamber 41；The bottom surface of bottom plate 4 passes through beam 711 with transformer base It is connected, by the setting of stage clip 45 and beam 711, dual vibration isolation is obtained on transformer axial direction, transformation is effectively reduced Mechanical oscillation on device axial direction, are effectively reduced adverse effect of the transformer vibration and noise to surrounding environment.

Embodiment 2

For ease of the assembling of reinforcement 8, installation time is saved；As shown in fig. 7, the reinforcement 8 is by the first long square plate 81 Constituted with the second long square plate 82, the center position of the first long square plate 81 is welded and fixed with the second long center position of square plate 82, Two ends on the first long axial direction of square plate 81 are all provided with fluted A83, the first long square plate of the groove A83 openends direction 81 bottoms, groove A83 width and the consistency of thickness of upper clamping piece 2；First long square plate 81 is by groove A83 buttons located at the top of upper clamping piece 2； The two ends of the second long axial direction of square plate 82 are again provided with groove B84, the second long bottom of square plate 82 of groove B84 open sections direction Portion, groove B84 width and the consistency of thickness of side folder 3, the second long square plate 82 is by groove B84 buttons located at the top of side folder 3；It is described Reinforcement 8 can disposably be assemblied in upper clamping piece 2 and the top of side folder 3, and installation time, groove are reduced with respect to first embodiment A83 and groove B84 are provided with rubber layer with the contact portion of upper clamping piece 2 respectively, avoid reinforcement 8 and upper clamping piece 2 straight by rubber layer Contact, causes abrasion unnecessary between reinforcement 8 and upper clamping piece 2.

Preferred embodiment of the present utility model has shown and described in described above, as previously described, it should be understood that this practicality is new Type is not limited to form disclosed herein, is not to be taken as the exclusion to other embodiment, and available for various other groups Close, change and environment, and above-mentioned teaching or the technology of association area can be passed through in utility model contemplated scope described herein Or knowledge is modified.And the change and change that those skilled in the art are carried out do not depart from spirit and scope of the present utility model, then All should be in the protection domain of the utility model appended claims.

Claims (10)

1. a kind of three-phase five-limb amorphous alloy transformer, the three-phase five-limb amorphous alloy transformer include non-crystaline amorphous metal, Folder, transformer framework (1) and transformer-cabinet (5)；Transformer framework (1) is located in transformer-cabinet (5), transformer framework (1) overall amorphous alloy dry-type transformer is supported；Non-crystaline amorphous metal includes upper yoke, lower yoke and is arranged on upper yoke and lower yoke Between iron core column, folder is divided into upper clamping piece (2), lower clamping piece (6) and side folder (3), and upper clamping piece (2) is fixed on upper yoke Side, lower clamping piece (6) is fixed on below lower yoke, and side folder (3), which is located in the non-crystaline amorphous metal left and right sides, the transformer, also to be included Denoising device, the denoising device includes reinforcement (8) and damping device, and the reinforcement (8) is located at the upper clamping piece of transformer (2) upper clamping piece (2) and side folder (3) are connected as overall structure by side wall, reinforcement (8)；Transformer bottom and transformer top It is mounted on damping device；It is characterized in that：The damping device is divided into the first damping device (7) and the second damping device, institute The first damping device (7) is stated at the top of upper clamping piece (2), second damping device is located at transformer framework (1) bottom and change Between depressor casing (5)；Second damping device includes bottom plate (4) and lower damper, and the bottom plate (4) is located at Transformer framework (1) bottom, is connected between bottom plate (4) and transformer-cabinet (5) by lower damper, bottom plate (4) It is provided with damping chamber (41), damping chamber (41) and sets damper；The lower damper bottom plate (4) bottom quantity N >= All the time damper under lower damper, the lower damper opposite central of residue is provided with 3, and transformer framework (1) lower center position Be centrosymmetric distribution.

2. three-phase five-limb amorphous alloy transformer according to claim 1, it is characterised in that：The reinforcement (8) by First long square plate (81) and the second long square plate (82) are constituted, the center position of the first long square plate (81) and the second long square plate (82) Center position is welded and fixed, and the two ends on first long square plate (81) axial direction are all provided with fluted A (83), the groove A (83) openend the first long square plate (81) bottom of direction, groove A (83) width and upper clamping piece (2) consistency of thickness.

3. three-phase five-limb amorphous alloy transformer according to claim 2, it is characterised in that：The second long square plate (82) two ends of axial direction are again provided with groove B (84), and groove B (84) open section is recessed towards the second long square plate (82) bottom Groove B (84) width and side folder (3) consistency of thickness, the second long square plate (82) are pushed up by groove B (84) buttons located at side folder (3) Portion.

4. three-phase five-limb amorphous alloy transformer according to claim 3, it is characterised in that：The groove A (83) and Groove B (84) is provided with rubber layer with upper clamping piece (2) contact portion respectively.

5. three-phase five-limb amorphous alloy transformer according to claim 1, it is characterised in that：The lower damper includes With damping chamber (41) top at the top of connecting rod (44) and stage clip (45), stage clip (45) the connection connecting rod (44)；The connection Bar (44) is in I-shaped connecting rod, and connecting rod (44) bottom is connected by fixture with transformer-cabinet (5), connecting rod (44) top is located at damping chamber (41) inside.

6. three-phase five-limb amorphous alloy transformer according to claim 1, it is characterised in that：Damper is in transformer frame Frame (1) bottom quantity is 5.

7. three-phase five-limb amorphous alloy transformer according to claim 3, it is characterised in that：The damping chamber (41) is in Rectangular channel, rectangular channel right angle is with arc transition, and four sides of connecting rod (44) top are the arcwall face of identical radian measure, the arc Shape is facing to connecting rod (44) top center.

8. three-phase five-limb amorphous alloy transformer according to claim 5, it is characterised in that：The damping chamber (41) Right angle, which has, is provided with roller (43) in chute I, chute I；Relative damping chamber at corner at the top of the connecting rod (44) (41) square position is provided with relative chute II, and the chute II is arc surface；Connecting rod (44) top thickness be more than etc. In the 3/2 of roller (43) radius.

9. three-phase five-limb amorphous alloy transformer according to claim 3, it is characterised in that：Damping chamber (41) side Wall be provided with rubber blanket (42), rubber blanket (42) both sides respectively with damping chamber (41) side wall, connecting rod (44) top curve Face is contacted.

10. three-phase five-limb amorphous alloy transformer according to claim 5, it is characterised in that：The stage clip (45) exists It is in positive angular distribution at the top of damping chamber (41), stage clip (45) height is at least the 1/2 of damping chamber (41) height.