CN219997994U - Power transformer mounting structure - Google Patents

Abstract

The utility model relates to the technical field of power transformers and discloses a power transformer mounting structure which comprises a holding part for holding a rod-shaped object and a mounting platform for mounting a power transformer, wherein the mounting platform is positioned on one side of the holding part and comprises a mounting plate positioned on one side of the holding part, a rack arranged on the mounting plate in a sliding manner, a fixing strip positioned on one side of the rack and a gear meshed with the rack, a motor for driving the gear to rotate forward and backward is arranged on one side of the mounting plate, and the fixing strip is used for mounting the power transformer. The utility model is convenient for adjusting the position of the installed power transformer.

Description

Power transformer mounting structure

Technical Field

The utility model relates to the technical field of power transformers, in particular to a power transformer mounting structure.

Background

A power transformer is a stationary electric device that is used to change an ac voltage current of a certain value into another voltage current of the same frequency or different values. Power transformers are one of the main devices of power plants and substations, and generally need to be suspended, which requires a power transformer installation structure.

In the related art, the power transformer mounting structure comprises a enclasping piece used for enclasping the rod-shaped object and a mounting platform fixed on the enclasping piece, wherein the mounting platform is used for fixing the power transformer. The enclasping piece comprises an enclasping frame fixed with the mounting platform and a clamping frame fixed on the enclasping frame through an enclasping bolt assembly, wherein a clamping hole for a rod-shaped object to pass through is formed between the enclasping frame and the clamping frame.

In the process of realizing the related technology, after the power transformer is fixed on the mounting platform, because the power transformer is large in size and weight, when the power transformer is subjected to high-altitude operation of wiring operation, operators are difficult to finely adjust the mounting position of the power transformer according to actual wiring requirements, and the construction difficulty is high, so that the power transformer is to be improved.

Disclosure of Invention

In order to facilitate position adjustment of an installed power transformer, the utility model provides a power transformer installation structure.

The utility model provides a power transformer mounting structure which adopts the following technical scheme:

the utility model provides a power transformer mounting structure, is including the piece of enclasping that is used for enclasping the shaft, the mounting platform that is used for installing power transformer, mounting platform is located one side of enclasping the piece, mounting platform is including being located the mounting panel that enclasping piece one side, the slip setting is on the mounting panel, be located rack one side the fixed strip, with rack intermeshing's gear, one side of mounting panel is provided with and is used for driving gear forward and reverse pivoted motor, the fixed strip is used for installing power transformer.

Through adopting above-mentioned technical scheme, when the mounted position of adjustment power transformer, can start the motor earlier for can drive the gear forward or reverse rotation, thereby drive rack and rack on the fixed strip slide on the mounting panel, until the power transformer on fixed strip and the fixed strip removes to the exact position, in order to realize adjusting the mounted position of power transformer. The setting makes operating personnel can be when carrying out the wiring operation to power transformer, can finely tune the position state with power transformer according to actual demand to reduce the construction degree of difficulty, reduce the potential safety hazard when wiring.

In addition, through motor control gear rotation, and then indirect control rack removes, helps the distance that the accurate control rack removed to reduce the error of adjustment power transformer mounted position.

Optionally, the mounting platform is still including the spacing that is located the mounting panel lateral wall, set up the spacing hole that is used for supplying spacing to pass on the lateral wall of fixed strip, the cross-section of spacing and spacing hole wall is the dovetailed shape that the shape is the same, the length of spacing cross-section increases gradually to the direction of keeping away from the mounting panel, spacing and the pore wall butt in spacing hole.

Through adopting above-mentioned technical scheme, because spacing and the cross-section of spacing hole pore wall are the dovetailed shape that the shape is the same, and spacing and the pore wall butt in spacing hole for the pore wall in spacing hole can hinder spacing vertical break away from spacing hole, helps improving spacing and the connection stability of fixed strip, and then improves the connection strength of power transformer on the fixed strip and mounting panel.

Optionally, limiting blocks for preventing the fixed bar from being separated from the limiting bars are arranged at two ends of the limiting bars along the extending direction of the limiting bars.

Through adopting above-mentioned technical scheme, the setting of stopper can hinder spacing horizontal migration spacing hole to realize hindering fixed strip and spacing separation, in order to avoid the power transformer level on the fixed strip to shift out the mounting panel, thereby help further improving the connection stability of spacing and fixed strip, thereby further improve the connection strength of power transformer on the fixed strip and mounting panel.

Optionally, the fixed strip is including fixed part, be located guide rail, the slip setting fly leaf on the guide rail on the fixed part lateral wall, spacing hole is located on the fixed part, the fly leaf is used for fixed power transformer, the slip direction perpendicular to of fly leaf rack, be provided with the fixing bolt who is used for connecting fly leaf and guide rail on the fly leaf, set up on the lateral wall of fly leaf with fixing bolt screw-thread fit's fixed orifices, set up a plurality of fixed slots that are used for supplying fixing bolt to stretch into on the lateral wall of guide rail, the distribution direction of fixed slot is parallel to the slip direction of fly leaf.

Through adopting above-mentioned technical scheme, through removing the fly leaf for the fixed orifices can align with different fixed slots respectively, finally realize fixed fly leaf and guide rail through fixing bolt, in order to realize adjusting the position of fly leaf relative fixed part. Because the slip direction of fly leaf is perpendicular to the slip direction of rack, and power transformer is located the fly leaf for the fly leaf can be followed the gliding direction removal of perpendicular to rack, helps further enlarge position and the position that power transformer adjusted, in order to realize that operating personnel carries out diversified regulation installation to power transformer and handles, helps improving the accuracy of adjustment power transformer mounted position.

Optionally, a guiding groove for guiding the guide rail to extend in is formed in the side wall of the movable plate, the sections of the guide rail and the groove wall of the guiding groove are dovetail-shaped with the same shape, the length of the section of the guide rail is gradually increased towards the direction away from the fixing part, and the guide rail is abutted to the groove wall of the guiding groove.

Through adopting above-mentioned technical scheme, because the cross-section of guide rail and guide way cell wall is the dovetailed shape that the shape is the same, and the cell wall butt of guide rail and guide way for the cell wall of guide way can block the fly leaf and break away from the guide rail along the gliding direction of perpendicular to itself, helps improving the joint strength of guide rail and fly leaf, and then improves the joint strength of power transformer and fixed strip.

Optionally, two ends of the fixing part along the extending direction of the guide rail are provided with stop blocks for stopping the movable plate from separating from the guide rail.

Through adopting above-mentioned technical scheme, the setting of dog can avoid the fly leaf to break away from the guide rail along being on a parallel with self gliding direction, helps further improving the connection stability between guide rail and the fly leaf to avoid power transformer to break away from the track along the direction of activity of fly leaf, not only improve the joint strength between power transformer and the fixed part, can also avoid follow-up repeated equipment fly leaf, improve the efficiency of adjusting the fly leaf.

Optionally, a handle for moving the movable plate is arranged on the side wall of the movable plate.

Through adopting above-mentioned technical scheme, at the in-process of removing the fly leaf, operating personnel can be through the handle with the fly frame round trip movement on the guide rail, the setting up of handle makes the staff be difficult for the slippage more at the in-process of removing the fly leaf, convenient operation.

Optionally, the enclasping piece comprises a first enclasping part and a second enclasping part positioned at the lower side of the first enclasping part, wherein the first enclasping part comprises a first enclasping frame positioned at one side of the mounting plate and a first clamping frame arranged on the first enclasping frame through a first enclasping bolt component; the second enclasping part comprises a second enclasping frame and a second clamping frame arranged on the second enclasping frame through a second enclasping bolt assembly, wherein a reinforcing rod is obliquely arranged between the second enclasping frame and the mounting plate, and one end of the reinforcing rod is fixedly connected with the mounting plate, and the other end of the reinforcing rod is fixedly connected with the second enclasping frame.

Through adopting above-mentioned technical scheme, after holding the piece and installing in place, on the one hand, through holding tightly first portion and second portion of holding tightly and the shaft-like article clamp fastening, can increase the area of being connected of holding the piece and shaft-like article, improve the joint strength of holding the piece and shaft-like article. On the other hand, because reinforcing rod one end and mounting panel fixed connection, the other end is held tightly with the second and is put up fixed connection for form triangle-shaped stable structure between second holding tightly frame, reinforcing rod, the mounting panel, the reinforcing rod plays auxiliary stay's effect this moment, helps improving the second and holds tightly the joint strength and hold the structural strength who holds tightly between portion and the mounting panel.

Optionally, the enclasping piece is still including the supporting part that is located between first enclasping portion and the second enclasping portion, the supporting part is including the support frame, through the auxiliary stand that supporting bolt subassembly and support frame are fixed, be provided with L type pole between support frame and the mounting panel, the one end and the mounting panel of L type pole are fixed, the other end is fixed with the support frame.

By adopting the technical proposal, the arrangement of the supporting part not only can further increase the connection area of the enclasping piece and the rod-shaped object and improve the connection strength of the enclasping piece and the rod-shaped object, the L-shaped rod can play a role in auxiliary support, so that the connection strength between the support part and the mounting plate is improved, and the structural strength of the enclasping piece is further enhanced.

In addition, after long-term use, if first enclasping portion or second enclasping portion appear not hard up or when damaging, supporting part can continue to press from both sides the fixed shaft-like article with not loose first enclasping portion or second enclasping portion, can slow down the time that power transformer mounting structure slided downwards. Due to the temporary supporting effect of the supporting part, enough buffering time can be given to an operator.

Optionally, the number of the L-shaped rods and the reinforcing rods is at least two.

By adopting the technical scheme, the L-shaped rods and the reinforcing rods are arranged, so that the connection area between the enclasping part and the mounting plate is further increased, and the connection strength of the enclasping part and the mounting plate is improved; and if damage appears in one L type pole or stiffening rod after long-term use, other L type poles or stiffening rod can continue auxiliary support mounting panel, help prolonging the life who holds tightly the piece.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the gear is enabled to move forward or backward by starting the motor, so that the rack and the fixing strip on the rack are driven to slide on the mounting plate until the fixing strip and the power transformer on the fixing strip move to the correct position, and the mounting position of the power transformer is finely adjusted;

2. the sliding direction of the movable plate is perpendicular to the sliding direction of the rack, and the power transformer is positioned on the movable plate, so that the position and the direction of adjustment of the power transformer can be further enlarged, and the power transformer can be adjusted and installed in multiple directions by operators;

3. the arrangement of the first enclasping part, the second enclasping part and the supporting part can increase the connection area of the enclasping piece and the rod-shaped object, thereby being beneficial to improving the connection strength of the enclasping piece and the rod-shaped object; the reinforcing rod and the L-shaped rod can play a role in auxiliary support, and the structural strength of the enclasping piece is improved.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of another view of an embodiment of the present utility model.

Fig. 3 is a partial exploded view of a fixing strip in an embodiment of the present utility model.

Reference numerals description:

1. a clasping member; 2. a power transformer; 3. a mounting platform; 4. a first clasping portion; 5. a second clasping portion; 6. a support part; 7. a first clasping frame; 8. a first enclasping bolt assembly; 9. a first clamping frame; 10. a second holding frame; 11. the second enclasping bolt component; 12. a second clamping frame; 13. a support frame; 14. a support bolt assembly; 15. an auxiliary frame; 16. a clamping hole; 17. a reinforcing rod; 18. an L-shaped rod; 19. a mounting plate; 20. a rack; 21. a fixing strip; 22. a gear; 23. a limit bar; 24. an extension plate; 25. a motor; 26. a fixing part; 27. a guide rail; 28. a movable plate; 29. a guide groove; 30. a stop block; 31. a fixing bolt; 32. a fixing hole; 33. a fixing groove; 34. a handle; 35. a limiting hole; 36. and a limiting block.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

The embodiment of the utility model discloses a power transformer mounting structure.

Referring to fig. 1, the power transformer mounting structure includes a holding member 1 for holding a rod, and a mounting platform 3 for mounting a power transformer 2, wherein the mounting platform 3 is fixed on one side of the holding member 1, and the mounting platform 3 can finely adjust the mounting position of the power transformer 2 to adapt to the actual wiring requirement.

Referring to fig. 1, the hug member 1 includes a first hug portion 4, a second hug portion 5 located directly under the first hug portion 4, and a supporting portion 6 located between the first hug portion 4 and the second hug portion 5. The first enclasping part 4 comprises a first enclasping frame 7 fixed on one side of a mounting plate 19, a first clamping frame 9 detachably arranged on the first enclasping frame 7 through a first enclasping bolt assembly 8, the second enclasping part 5 comprises a second enclasping frame 10 and a second clamping frame 12 detachably arranged on the second enclasping frame 10 through a second enclasping bolt assembly 11, the supporting part 6 comprises a supporting frame 13 and an auxiliary frame 15 fixed with the supporting frame 13 through a supporting bolt assembly 14, and a clamping hole 16 for a rod-shaped object to pass through is formed between the first enclasping frame 7 and the first clamping frame 9, between the second enclasping frame 10 and the second clamping frame 12 and between the supporting frame 13 and the auxiliary frame 15.

Referring to fig. 1, after the enclasping member 1 is installed in place, the rod-shaped object is clamped and fixed with the hole wall of the clamping hole 16, and the first enclasping portion 4, the second enclasping portion 5 and the supporting portion 6 can increase the connection area of the enclasping member 1 and the rod-shaped object, so as to help to improve the connection strength of the enclasping member 1 and the rod-shaped object. If the first enclasping portion 4 or the second enclasping portion 5 is loose or damaged, the supporting portion 6 can continuously clamp and fix the rod-shaped object together with the first enclasping portion 4 or the second enclasping portion 5 which is not loose, so that the time for the power transformer installation structure to slide downwards can be reduced.

Referring to fig. 1, in order to improve the structural strength of the enclasping member 1, two reinforcing rods 17 are obliquely fixed between the second enclasping frame 10 and the mounting platform 3, one end of each reinforcing rod 17 is fixedly connected with the mounting plate 19, and the other end of each reinforcing rod 17 is fixedly connected with the second enclasping frame 10, so that a triangular stable structure is formed among the reinforcing rods 17, the mounting plate 19 and the second enclasping frame 10, and the improvement of the connection strength between the second enclasping portion 5 and the mounting plate 19 is facilitated. Two L-shaped rods 18 are fixed between the support frame 13 and the mounting platform 3, one end of each L-shaped rod 18 is fixedly connected with the mounting plate 19, and the other end of each L-shaped rod is fixedly connected with the support frame 13, so that the connection strength between the support part 6 and the mounting plate 19 is improved.

Referring to fig. 1, after long use, if one of the L-shaped rods 18 or the reinforcing rods 17 is damaged after long use, the other L-shaped rods 18 or reinforcing rods 17 can continue to support the mounting plate 19 in an auxiliary manner, which helps to prolong the service life of the clasping member 1.

Referring to fig. 2, the mounting platform 3 includes a mounting plate 19 fixed on one side of the first holding frame 7, a rack 20 slidably disposed on a top wall of the mounting plate 19, two fixing bars 21 disposed on one side of the rack 20, a gear 22 engaged with the rack 20, and a limit bar 23 fixed on a top wall of the mounting plate 19, wherein the power transformer 2 is disposed on the fixing bars 21. An extension plate 24 is fixed on the side wall of the first enclasping frame 7, a motor 25 is fixed on the top wall of the extension plate 24, a gear 22 is connected with the motor 25, and the motor 25 can drive the gear 22 to rotate forward and backward, so that a rack 20 meshed with the gear 22 and a fixing strip 21 on the rack 20 slide on a mounting plate 19 until the fixing strip 21 and a power transformer 2 on the fixing strip 21 move to the correct position, and the mounting position of the power transformer 2 is adjusted.

Referring to fig. 2 and 3, to further expand the position and orientation of the adjustment of the power transformer 2, the fixing bar 21 includes a fixing portion 26, a guide rail 27 fixed on top of the fixing portion 26, and a movable plate 28 slidably disposed on the guide rail 27, and the power transformer 2 is fixed on the top wall of the movable plate 28. The sliding direction of the movable plate 28 is perpendicular to the sliding direction of the rack 20, a guide groove 29 for the guide rail 27 to extend in is formed in the bottom wall of the movable plate 28, the extending direction of the guide groove 29 is parallel to the sliding direction of the movable plate 28, and openings are formed in two ends of the guide groove 29 along the extending direction of the guide groove. The cross sections of the groove walls of the guide rail 27 and the guide groove 29 are dovetail shapes with the same shape, wherein the length of the cross section of the guide rail 27 gradually increases in the direction away from the fixed part 26, and the guide rail 27 abuts against the groove wall of the guide groove 29. The groove walls of the guide groove 29 can prevent the movable plate 28 from being separated from the guide rail 27 in a direction perpendicular to the sliding direction of the movable plate 28, and the connection strength of the guide rail 27 and the movable plate 28 can be improved.

Referring to fig. 2 and 3, in order to prevent the movable plate 28 from being separated from the guide rail 27 in a direction parallel to the sliding direction of the movable plate 28, stoppers 30 are fixed to both ends of the fixed portion 26 in the sliding direction of the movable plate 28, and the stoppers 30 are used to block the movable plate 28 from being separated from the guide rail 27, thereby preventing the power transformer 2 from being separated from the rail in the moving direction of the movable plate 28.

Referring to fig. 3, a fixing bolt 31 for connecting the movable plate 28 with the guide rail 27 is detachably provided on the movable plate 28, a fixing hole 32 in threaded engagement with the fixing bolt 31 is provided on a side wall of the movable plate 28, and an extending direction of the fixing hole 32 is perpendicular to an extending direction of the movable plate 28. Six fixing grooves 33 for the fixing bolts 31 to extend into are formed in the top wall of the guide rail 27, the extending direction of the fixing grooves 33 is parallel to the extending direction of the fixing holes 32, and the distributing direction of the fixing grooves 33 is parallel to the sliding direction of the movable plate 28. The adjustment and fixing of the movable plate 28 is achieved by aligning the fixing holes 32 with different fixing grooves 33, and then by fixing the movable plate 28 with the guide rail 27 by means of the fixing bolts 31.

Referring to fig. 3, in order to facilitate the operator to move the movable plate 28, a handle 34 for moving the movable plate 28 is fixed on a side wall of the movable plate 28, and the handle 34 is arranged to make the human hand less likely to slip during the process of moving the movable plate 28.

Referring to fig. 2 and 3, the extending direction of the limiting bar 23 is parallel to the sliding direction of the rack 20, the bottom wall of the fixing portion 26 is provided with a limiting hole 35 for the limiting bar 23 to pass through, the sections of the walls of the limiting bar 23 and the limiting hole 35 are dovetail-shaped with the same shape, the length of the section of the limiting bar 23 is gradually increased in the direction away from the mounting plate 19, the limiting bar 23 is abutted with the wall of the limiting hole 35, so that the wall of the limiting hole 35 can prevent the limiting bar 23 from being separated from the limiting hole 35 vertically, and the connection stability of the limiting bar 23 and the fixing bar 21 is improved.

Referring to fig. 2, in order to prevent the limit bar 23 from moving out of the limit hole 35 horizontally, limit blocks 36 are fixed at two ends of the limit bar 23 along the extending direction of the limit bar, and the limit blocks 36 are used for preventing the fixing bar 21 from being separated from the limit bar 23, so as to prevent the power transformer 2 on the fixing bar 21 from moving out of the mounting plate 19 horizontally.

The implementation principle of the power transformer installation structure provided by the embodiment of the utility model is as follows: when the installation position of the power transformer 2 needs to be adjusted, the motor 25 can be started first, so that the motor 25 can drive the gear 22 to rotate forward or backward, and thus drive the rack 20 and the fixing strip 21 on the rack 20 to slide leftwards or rightwards on the installation plate 19 until the fixing strip 21 moves to a correct position. The movable plate 28 is then moved to the proper position by means of the handles 34, the fixing holes 32 are aligned with one of the fixing slots 33, and finally the fixing of the movable plate 28 to the guide rail 27 is achieved by means of the fixing bolts 31, so that the adjustment of the power transformer 2 to the correct position will be achieved. So set up make operating personnel can be when carrying out wiring operation to power transformer 2, can finely tune the position state with power transformer 2 according to actual demand to reduce the construction degree of difficulty, reduce the potential safety hazard when wiring.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (10)

1. The utility model provides a power transformer mounting structure, is including holding tightly piece (1) that are used for holding tightly the shaft-like thing, be used for installing mounting platform (3) of power transformer (2), mounting platform (3) are located one side of holding tightly piece (1), its characterized in that: the mounting platform (3) comprises a mounting plate (19) positioned on one side of the enclasping piece (1), a rack (20) arranged on the mounting plate (19) in a sliding manner, a fixing strip (21) positioned on one side of the rack (20) and a gear (22) meshed with the rack (20), wherein a motor (25) used for driving the gear (22) to rotate forward and backward is arranged on one side of the mounting plate (19), and the fixing strip (21) is used for mounting the power transformer (2).

2. The power transformer mounting structure according to claim 1, wherein: the mounting platform (3) is still including being located spacing (23) on mounting panel (19) lateral wall, set up spacing hole (35) that are used for supplying spacing (23) to pass on the lateral wall of fixed strip (21), the cross-section of spacing (23) and spacing hole (35) pore wall is the same dovetailed shape of shape, the length of spacing (23) cross-section increases gradually to the direction of keeping away from mounting panel (19), spacing (23) and the pore wall butt of spacing hole (35).

3. The power transformer mounting structure according to claim 2, wherein: limiting blocks (36) used for preventing the fixed bar (21) from being separated from the limiting bars (23) are arranged at two ends of the limiting bars (23) along the extending direction of the limiting bars.

4. A power transformer mounting structure according to claim 3, wherein: the utility model provides a fixed strip (21) is including fixed part (26), be located guide rail (27) on fixed part (26) lateral wall, slip setting fly leaf (28) on guide rail (27), spacing hole (35) are located fixed part (26), fly leaf (28) are used for fixed power transformer (2), the slip direction of slip direction perpendicular to rack (20) of fly leaf (28), be provided with on fly leaf (28) and be used for connecting dead bolt (31) of fly leaf (28) and guide rail (27), set up on the lateral wall of fly leaf (28) with dead bolt (31) screw-thread fit's fixed orifices (32), a plurality of fixed slots (33) that are used for supplying dead bolt (31) to stretch into have been seted up on the lateral wall of guide rail (27), the direction of distribution of fixed slot (33) is on a parallel with the slip direction of fly leaf (28).

5. The power transformer mounting structure according to claim 4, wherein: the side wall of the movable plate (28) is provided with a guide groove (29) for the guide rail (27) to extend in, the sections of the guide rail (27) and the groove wall of the guide groove (29) are in the shape of dovetails with the same shape, the length of the section of the guide rail (27) gradually increases towards the direction away from the fixed part (26), and the guide rail (27) is in contact with the groove wall of the guide groove (29).

6. The power transformer mounting structure according to claim 5, wherein: the two ends of the fixed part (26) along the extending direction of the guide rail (27) are provided with stop blocks (30) for stopping the movable plate (28) from separating from the guide rail (27).

7. The power transformer mounting structure according to claim 6, wherein: the side wall of the movable plate (28) is provided with a handle (34) for moving the movable plate (28).

8. The power transformer mounting structure according to claim 1, wherein: the enclasping piece (1) comprises a first enclasping part (4) and a second enclasping part (5) positioned at the lower side of the first enclasping part (4), wherein the first enclasping part (4) comprises a first enclasping frame (7) positioned at one side of a mounting plate (19) and a first clamping frame (9) arranged on the first enclasping frame (7) through a first enclasping bolt assembly (8); the second enclasping part (5) comprises a second enclasping frame (10), and a second clamping frame (12) arranged on the second enclasping frame (10) through a second enclasping bolt assembly (11), wherein a reinforcing rod (17) is obliquely arranged between the second enclasping frame (10) and a mounting plate (19), one end of the reinforcing rod (17) is fixedly connected with the mounting plate (19), and the other end of the reinforcing rod is fixedly connected with the second enclasping frame (10).

9. The power transformer mounting structure according to claim 8, wherein: the utility model discloses a hug piece (1) is including holding tightly the supporting part (6) between portion (4) and second portion (5) are held tightly to the holding, supporting part (6) are including support frame (13), through supporting bolt subassembly (14) and support frame (13) fixed auxiliary frame (15), be provided with L type pole (18) between support frame (13) and mounting panel (19), the one end and the mounting panel (19) of L type pole (18) are fixed, the other end is fixed with support frame (13).

10. The power transformer mounting structure according to claim 9, wherein: the number of the L-shaped rods (18) and the reinforcing rods (17) is at least two.