Magnetic pole inter-pole supporting device suitable for cooling magnetic pole coil

Abstract

The invention discloses a magnetic pole interelectrode supporting device suitable for cooling a magnetic pole coil, and belongs to the technical field of hydro-generators, the magnetic pole interelectrode supporting device comprises a jackscrew support fixed on a magnetic pole side edge shroud ring and an interelectrode baffle fixed on a magnet yoke, one side of the interelectrode baffle is provided with a first elastic piece, the other side of the interelectrode baffle is provided with a second elastic piece, and the first elastic piece and the second elastic piece are fixed on the jackscrew support. The first elastic piece and the second elastic piece each comprise a jackscrew, a disc spring pressing ring and a disc spring, the disc spring pressing rings are fixedly connected to the interelectrode baffle, the disc springs are arranged in the disc spring pressing rings, one ends of the jackscrews are connected with the jackscrew supports, and the other ends of the jackscrews make contact with the disc springs. The rigidity of the interelectrode supporting device is improved, the heat dissipation efficiency of the surface of the magnetic pole is improved, and the applicability is good.

Description

Technical Field

[0001] The invention relates to the technical field of hydro-generators, and in particular to a magnetic pole inter-pole supporting device suitable for cooling magnetic pole coils. Background Art

[0002] The pumped storage unit has a high rotation speed and a large centrifugal force. To ensure the safety of the rotating parts, a reliable support device needs to be installed between the poles. In the prior art, the support device is often installed between the poles by means of a belt plus a top screw or an inter-pole insulating support block. Since the accuracy of the gap between the top screws and the gap between the inter-pole support block and the pole coil is difficult to grasp, if it is too large, the top screw cannot play a good supporting role, and if it is too small, it may cause large thermal stress. Therefore, the installation reliability of the support device is poor.

[0003] A Chinese patent document with announcement number CN205595925U and announcement date September 21, 2016 discloses an insulating split-type inter-pole support device suitable for thin steel plate support of a hydro-turbine generator, which is characterized in that it consists of a slotted single-petal insulating support block, a thin steel plate pull piece, a first bolt, a nut, a cylindrical pin, a second bolt, a dove tail block and a set screw. Multiple thin steel plate pull pieces are stacked together, placed in the grooves of the two-petal slotted single-petal insulating support blocks, tightened into one with a first bolt and a nut, installed in the middle of two adjacent magnetic poles for supporting the two adjacent magnetic poles, the thin steel plate pull piece and the dove tail block are tightened with a second bolt, the cylindrical pin is placed in the pin holes of the thin steel plate pull piece and the dove tail block for bearing centrifugal force, the dove tail block is placed in the magnetically tough dove tail groove, and is pushed into the hole processed on the yoke with a set screw for axial limitation and radial tightening.

[0004] The patent document discloses an insulating split-type inter-pole support device for thin steel plate support of a hydro-turbine generator. The support pull tab of the insulating split-type inter-pole support device for thin steel plate support of a hydro-turbine generator is made of multiple high-strength thin steel plates stacked together. The multiple thin steel plate pull tabs and the slotted single-petal insulating support block are integrated into a whole by bolts and nuts. During the rotation of the unit, the support pull tab bears the radial force of the insulating support block to ensure the safe and stable operation of the unit. However, the insulating support block has limited force bearing capacity and is prone to layered cracking, which affects the overall stiffness of the inter-pole support device, is not conducive to improving the heat dissipation efficiency of the magnetic pole surface, and has poor applicability. Summary of the invention

[0005] In order to overcome the defects of the above-mentioned prior art, the present invention provides a magnetic pole interpole support device suitable for cooling the magnetic pole coil. The present invention not only improves the rigidity of the interpole support device, but also helps to improve the heat dissipation efficiency of the magnetic pole surface and has good applicability.

[0006] The present invention is achieved through the following technical solutions: A magnetic pole interpole support device suitable for cooling a magnetic pole coil comprises a top screw support fixed on a magnetic pole side edge band and an interpole baffle fixed on a magnetic yoke, a first elastic member is arranged on one side of the interpole baffle, and a second elastic member is arranged on the other side of the interpole baffle, the first elastic member and the second elastic member both comprise a top screw, a disc spring pressure ring and a disc spring, the disc spring pressure ring is fixedly connected to the interpole baffle, the disc spring is arranged in the disc spring pressure ring, one end of the top screw is connected to the top screw support, and the other end of the top screw is in contact with the disc spring.

[0007] The first elastic member and the second elastic member are both located between the top screw support and the inter-electrode baffle.

[0008] The top screw support is provided with an internal thread, the top screw is provided with an external thread, and the top screw is connected with the top screw support through threads.

[0009] The magnetic yoke is provided with an inter-pole T-tail groove.

[0010] The magnetic yoke is provided with a wedge-shaped key, and the inter-pole baffle is fixed on the inter-pole T tail groove of the magnetic yoke through the wedge-shaped key.

[0011] The inter-pole baffle is a hollow structure, and the inter-pole baffle is located between any two adjacent magnetic poles.

[0012] The first elastic member and the second elastic member are both located in the middle of the inter-electrode baffle.

[0013] The first elastic member and the second elastic member are symmetrically arranged along the inter-electrode baffle.

[0014] The disc spring pressure ring and the inter-polar baffle are fixed by welding.

[0015] The end of the top screw is a spherical surface, and the end of the top screw is in circular contact with the central circular hole of the disc spring.

[0016] The inter-electrode baffle is formed in one piece from aluminum alloy, and the hollow structure of the inter-electrode baffle is in a diamond shape.

[0017] The disc spring is a laminated structure.

[0018] The disc spring is a double-jointed structure.

[0019] A center column is fixed at the end of the top screw, and the size of the center column is matched with the size of the center circular hole of the disc spring.

[0020] The beneficial effects of the present invention are mainly manifested in the following aspects: 1. Compared with the prior art, the present invention not only improves the rigidity of the inter-pole support device, but also helps to improve the heat dissipation efficiency of the magnetic pole surface and has good applicability.

[0021] 2. In the present invention, a wedge-shaped key is provided on the magnetic yoke, and the interpolar baffle is fixed to the interpolar T-tail groove of the magnetic yoke through the wedge-shaped key. The interpolar baffle is fixed by the wedge-shaped key, which can improve the fixing reliability of the interpolar baffle and ensure the safety and reliability of the supporting device.

[0022] 3. In the present invention, the inter-pole baffle is a hollow structure and is located between any two adjacent magnetic poles, which can further compress the distance between the inter-pole baffle and the magnetic pole coil, thereby increasing the wind speed on the surface of the magnetic pole coil and increasing the elastic reserve of the supporting device.

[0023] 4. The present invention improves the overall rigidity of the inter-pole support device and can better adapt to the thermal expansion of the pole coil, thereby ensuring that the pole coil is both firmly fixed and can match the thermal deformation.

[0024] 5. In the present invention, the disc spring pressure ring and the inter-electrode baffle are fixed by welding, which can ensure the stability of the entire supporting device.

[0025] 6. In the present invention, the end of the top screw is spherical, and the end of the top screw is in circumferential contact with the central circular hole of the disc spring, which can ensure reliable support of the top screw and the disc spring.

[0026] 7. In the present invention, the inter-electrode baffle is formed of an aluminum alloy in one piece, and the hollow structure of the inter-electrode baffle is diamond-shaped, which can not only provide good support, but also provide sufficient elastic reserve for the entire device.

[0027] 8. In the present invention, the disc spring is a laminated structure, which can improve the supporting stiffness and is suitable for magnetic poles with large lateral force of the magnetic pole coil and small deformation.

[0028] 9. In the present invention, the disc spring is of a coupled structure, which can increase the deformation reserve and is suitable for magnetic poles with small lateral force of the magnetic pole coil and large deformation.

[0029] 10. In the present invention, a center column is fixed at the end of the top screw. The size of the center column is matched with the size of the center circular hole of the disc spring, which can avoid the risk of the disc spring falling out when the installation quality is poor. The spherical surface of the top screw end avoids the problem of poor plane contact, increases the contact range between the center circular hole of the disc spring and the top screw, and makes the support more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The present invention will be further described in detail below with reference to the accompanying drawings and specific implementations, wherein: Figure 1 It is a schematic diagram of the installation structure of the present invention; Figure 2 for Figure 1 The enlarged view of point A in the middle; Figure 3 It is a schematic diagram of the structure of the laminated disc spring provided on the inter-electrode baffle of the present invention; Figure 4 It is a schematic diagram of the structure of the disc spring with a mating structure provided on the inter-electrode baffle of the present invention; Figure 5 This is a schematic diagram of the top screw structure in Example 8 of the present invention; Markings in the figure: 1. Pole side band, 2. Top screw support, 3. Yoke, 4. Interpole baffle, 5. First elastic part, 6. Second elastic part, 7. Top screw, 8. Disc spring pressure ring, 9. Disc spring, 10. Interpole T tail groove, 11. Wedge key, 12. Center column. DETAILED DESCRIPTION

[0031] Example 1 See also Figure 1 and Figure 2 , a magnetic pole interpole support device suitable for cooling a magnetic pole coil, comprising a top screw support 2 fixed on a magnetic pole side shroud 1 and an interpole baffle 4 fixed on a magnetic yoke 3, a first elastic member 5 is provided on one side of the interpole baffle 4, and a second elastic member 6 is provided on the other side of the interpole baffle 4, the first elastic member 5 and the second elastic member 6 both comprise a top screw 7, a disc spring pressure ring 8 and a disc spring 9, the disc spring pressure ring 8 is fixedly connected to the interpole baffle 4, the disc spring 9 is arranged in the disc spring pressure ring 8, one end of the top screw 7 is connected to the top screw support 2, and the other end of the top screw 7 is in contact with the disc spring 9.

[0032] This embodiment is the most basic implementation method. By setting a first elastic member 5 on one side of the interpole baffle 4 and a second elastic member 6 on the other side of the interpole baffle 4, the rigidity of the interpole support device can be improved compared with the prior art. The specific selection of "disc spring pressure ring 8 and disc spring 9" as the elastic components of the first elastic member 5 and the second elastic member 6 can not only further improve the rigidity of the interpole support device, but also help to improve the heat dissipation efficiency of the magnetic pole surface, and has good applicability.

[0033] Example 2 See also Figure 1 and Figure 2 , a magnetic pole interpole support device suitable for cooling a magnetic pole coil, comprising a top screw support 2 fixed on a magnetic pole side shroud 1 and an interpole baffle 4 fixed on a magnetic yoke 3, a first elastic member 5 is provided on one side of the interpole baffle 4, and a second elastic member 6 is provided on the other side of the interpole baffle 4, the first elastic member 5 and the second elastic member 6 both comprise a top screw 7, a disc spring pressure ring 8 and a disc spring 9, the disc spring pressure ring 8 is fixedly connected to the interpole baffle 4, the disc spring 9 is arranged in the disc spring pressure ring 8, one end of the top screw 7 is connected to the top screw support 2, and the other end of the top screw 7 is in contact with the disc spring 9.

[0034] Preferably, the first elastic member 5 and the second elastic member 6 are both located between the top screw support 2 and the inter-electrode baffle 4 .

[0035] The jack screw support 2 is provided with an internal thread, the jack screw 7 is provided with an external thread, and the jack screw 7 is connected to the jack screw support 2 through threads.

[0036] The magnetic yoke 3 is provided with an inter-polar T-tail groove 10 .

[0037] The magnetic yoke 3 is provided with a wedge-shaped key 11 , and the inter-pole baffle 4 is fixed on the inter-pole T-tail groove 10 of the magnetic yoke 3 through the wedge-shaped key 11 .

[0038] This embodiment is a preferred implementation mode. A wedge key 11 is provided on the yoke 3. The interpole baffle 4 is fixed to the interpole T tail groove 10 of the yoke 3 through the wedge key 11. The interpole baffle 4 is fixed with the wedge key 11, which can improve the fixing reliability of the interpole baffle 4 and ensure the safety and reliability of the supporting device.

[0039] Example 3 See also Figure 1 and Figure 2 , a magnetic pole interpole support device suitable for cooling a magnetic pole coil, comprising a top screw support 2 fixed on a magnetic pole side shroud 1 and an interpole baffle 4 fixed on a magnetic yoke 3, a first elastic member 5 is provided on one side of the interpole baffle 4, and a second elastic member 6 is provided on the other side of the interpole baffle 4, the first elastic member 5 and the second elastic member 6 both comprise a top screw 7, a disc spring pressure ring 8 and a disc spring 9, the disc spring pressure ring 8 is fixedly connected to the interpole baffle 4, the disc spring 9 is arranged in the disc spring pressure ring 8, one end of the top screw 7 is connected to the top screw support 2, and the other end of the top screw 7 is in contact with the disc spring 9.

[0040] The first elastic member 5 and the second elastic member 6 are both located between the top screw support 2 and the inter-electrode baffle 4 .

[0041] The jack screw support 2 is provided with an internal thread, the jack screw 7 is provided with an external thread, and the jack screw 7 is connected to the jack screw support 2 through threads.

[0042] The magnetic yoke 3 is provided with an inter-polar T-tail groove 10 .

[0043] The magnetic yoke 3 is provided with a wedge-shaped key 11 , and the inter-pole baffle 4 is fixed on the inter-pole T-tail groove 10 of the magnetic yoke 3 through the wedge-shaped key 11 .

[0044] The inter-pole baffle 4 is a hollow structure, and the inter-pole baffle 4 is located between any two adjacent magnetic poles.

[0045] This embodiment is another preferred implementation mode. The inter-pole baffle 4 is a hollow structure. The inter-pole baffle 4 is located between any two adjacent magnetic poles, which can further compress the distance between the inter-pole baffle 4 and the magnetic pole coil, increase the wind speed on the surface of the magnetic pole coil, and increase the elastic reserve of the supporting device.

[0046] Example 4 See also Figure 1 and Figure 2 , a magnetic pole interpole support device suitable for cooling a magnetic pole coil, comprising a top screw support 2 fixed on a magnetic pole side shroud 1 and an interpole baffle 4 fixed on a magnetic yoke 3, a first elastic member 5 is provided on one side of the interpole baffle 4, and a second elastic member 6 is provided on the other side of the interpole baffle 4, the first elastic member 5 and the second elastic member 6 both comprise a top screw 7, a disc spring pressure ring 8 and a disc spring 9, the disc spring pressure ring 8 is fixedly connected to the interpole baffle 4, the disc spring 9 is arranged in the disc spring pressure ring 8, one end of the top screw 7 is connected to the top screw support 2, and the other end of the top screw 7 is in contact with the disc spring 9.

[0047] The first elastic member 5 and the second elastic member 6 are both located between the top screw support 2 and the inter-electrode baffle 4 .

[0048] The jack screw support 2 is provided with an internal thread, the jack screw 7 is provided with an external thread, and the jack screw 7 is connected to the jack screw support 2 through threads.

[0049] The magnetic yoke 3 is provided with an inter-polar T-tail groove 10 .

[0050] Further preferably, a wedge-shaped key 11 is provided on the magnetic yoke 3 , and the inter-pole baffle 4 is fixed on the inter-pole T-tail groove 10 of the magnetic yoke 3 through the wedge-shaped key 11 .

[0051] The inter-pole baffle 4 is a hollow structure, and the inter-pole baffle 4 is located between any two adjacent magnetic poles.

[0052] The first elastic member 5 and the second elastic member 6 are both located in the middle of the inter-electrode baffle 4 .

[0053] The first elastic member 5 and the second elastic member 6 are symmetrically arranged along the inter-electrode baffle 4 .

[0054] This embodiment is another preferred implementation method, which improves the overall rigidity of the inter-pole support device and can better adapt to the thermal expansion of the pole coil, thereby ensuring that the pole coil is both firmly fixed and can match the thermal deformation.

[0055] Example 5 See also Figure 1 and Figure 2 , a magnetic pole interpole support device suitable for cooling a magnetic pole coil, comprising a top screw support 2 fixed on a magnetic pole side shroud 1 and an interpole baffle 4 fixed on a magnetic yoke 3, a first elastic member 5 is provided on one side of the interpole baffle 4, and a second elastic member 6 is provided on the other side of the interpole baffle 4, the first elastic member 5 and the second elastic member 6 both comprise a top screw 7, a disc spring pressure ring 8 and a disc spring 9, the disc spring pressure ring 8 is fixedly connected to the interpole baffle 4, the disc spring 9 is arranged in the disc spring pressure ring 8, one end of the top screw 7 is connected to the top screw support 2, and the other end of the top screw 7 is in contact with the disc spring 9.

[0056] The first elastic member 5 and the second elastic member 6 are both located between the top screw support 2 and the inter-electrode baffle 4 .

[0057] The jack screw support 2 is provided with an internal thread, the jack screw 7 is provided with an external thread, and the jack screw 7 is connected to the jack screw support 2 through threads.

[0058] The magnetic yoke 3 is provided with an inter-polar T-tail groove 10 .

[0059] The magnetic yoke 3 is provided with a wedge-shaped key 11 , and the inter-pole baffle 4 is fixed on the inter-pole T-tail groove 10 of the magnetic yoke 3 through the wedge-shaped key 11 .

[0060] The inter-pole baffle 4 is a hollow structure, and the inter-pole baffle 4 is located between any two adjacent magnetic poles.

[0061] The first elastic member 5 and the second elastic member 6 are both located in the middle of the inter-electrode baffle 4 .

[0062] The first elastic member 5 and the second elastic member 6 are symmetrically arranged along the inter-electrode baffle 4 .

[0063] The disc spring pressure ring 8 and the inter-electrode baffle 4 are fixed by welding.

[0064] This embodiment is another preferred implementation mode. The disc spring pressure ring 8 and the inter-polar baffle 4 are fixed by welding, which can ensure the stability of the entire supporting device.

[0065] Example 6 See also Figure 1 and Figure 2 , a magnetic pole interpole support device suitable for cooling a magnetic pole coil, comprising a top screw support 2 fixed on a magnetic pole side shroud 1 and an interpole baffle 4 fixed on a magnetic yoke 3, a first elastic member 5 is provided on one side of the interpole baffle 4, and a second elastic member 6 is provided on the other side of the interpole baffle 4, the first elastic member 5 and the second elastic member 6 both comprise a top screw 7, a disc spring pressure ring 8 and a disc spring 9, the disc spring pressure ring 8 is fixedly connected to the interpole baffle 4, the disc spring 9 is arranged in the disc spring pressure ring 8, one end of the top screw 7 is connected to the top screw support 2, and the other end of the top screw 7 is in contact with the disc spring 9.

[0066] The first elastic member 5 and the second elastic member 6 are both located between the top screw support 2 and the inter-electrode baffle 4 .

[0067] The jack screw support 2 is provided with an internal thread, the jack screw 7 is provided with an external thread, and the jack screw 7 is connected to the jack screw support 2 through threads.

[0068] The magnetic yoke 3 is provided with an inter-polar T-tail groove 10 .

[0069] The magnetic yoke 3 is provided with a wedge-shaped key 11 , and the inter-pole baffle 4 is fixed on the inter-pole T-tail groove 10 of the magnetic yoke 3 through the wedge-shaped key 11 .

[0070] More preferably, the inter-pole baffle 4 is a hollow structure, and the inter-pole baffle 4 is located between any two adjacent magnetic poles.

[0071] The first elastic member 5 and the second elastic member 6 are both located in the middle of the inter-electrode baffle 4 .

[0072] The first elastic member 5 and the second elastic member 6 are symmetrically arranged along the inter-electrode baffle 4 .

[0073] The disc spring pressure ring 8 and the inter-electrode baffle 4 are fixed by welding.

[0074] The end of the top screw 7 is spherical, and the end of the top screw 7 is in circumferential contact with the central circular hole of the disc spring 9.

[0075] This embodiment is another preferred implementation mode. The end of the top screw 7 is spherical, and the end of the top screw 7 is in circumferential contact with the central circular hole of the disc spring 9, which can ensure that the top screw 7 and the disc spring 9 are reliably supported.

[0076] Example 7 See also Figure 1-Figure 3 , a magnetic pole interpole support device suitable for cooling a magnetic pole coil, comprising a top screw support 2 fixed on a magnetic pole side shroud 1 and an interpole baffle 4 fixed on a magnetic yoke 3, a first elastic member 5 is provided on one side of the interpole baffle 4, and a second elastic member 6 is provided on the other side of the interpole baffle 4, the first elastic member 5 and the second elastic member 6 both comprise a top screw 7, a disc spring pressure ring 8 and a disc spring 9, the disc spring pressure ring 8 is fixedly connected to the interpole baffle 4, the disc spring 9 is arranged in the disc spring pressure ring 8, one end of the top screw 7 is connected to the top screw support 2, and the other end of the top screw 7 is in contact with the disc spring 9.

[0077] The first elastic member 5 and the second elastic member 6 are both located between the top screw support 2 and the inter-electrode baffle 4 .

[0078] The jack screw support 2 is provided with an internal thread, the jack screw 7 is provided with an external thread, and the jack screw 7 is connected to the jack screw support 2 through threads.

[0079] The magnetic yoke 3 is provided with an inter-polar T-tail groove 10 .

[0080] The magnetic yoke 3 is provided with a wedge-shaped key 11 , and the inter-pole baffle 4 is fixed on the inter-pole T-tail groove 10 of the magnetic yoke 3 through the wedge-shaped key 11 .

[0081] The inter-pole baffle 4 is a hollow structure, and the inter-pole baffle 4 is located between any two adjacent magnetic poles.

[0082] The first elastic member 5 and the second elastic member 6 are both located in the middle of the inter-electrode baffle 4 .

[0083] The first elastic member 5 and the second elastic member 6 are symmetrically arranged along the inter-electrode baffle 4 .

[0084] The disc spring pressure ring 8 and the inter-electrode baffle 4 are fixed by welding.

[0085] The end of the top screw 7 is spherical, and the end of the top screw 7 is in circumferential contact with the central circular hole of the disc spring 9.

[0086] The inter-electrode baffle 4 is formed of an aluminum alloy in one piece, and the hollow structure of the inter-electrode baffle 4 is in a diamond shape.

[0087] The disc spring 9 is a laminated structure.

[0088] This embodiment is another preferred implementation mode. The inter-electrode baffle 4 is formed of an aluminum alloy in one piece. The hollow structure of the inter-electrode baffle 4 is diamond-shaped, which can not only provide good support but also provide sufficient elastic reserve for the entire device.

[0089] The disc spring 9 is a laminated structure, which can improve the supporting stiffness and is suitable for magnetic poles with large lateral force of the magnetic pole coil and small deformation.

[0090] Example 8 See also Figure 1 , Figure 2 , Figure 4 and Figure 5 , a magnetic pole interpole support device suitable for cooling a magnetic pole coil, comprising a top screw support 2 fixed on a magnetic pole side shroud 1 and an interpole baffle 4 fixed on a magnetic yoke 3, a first elastic member 5 is provided on one side of the interpole baffle 4, and a second elastic member 6 is provided on the other side of the interpole baffle 4, the first elastic member 5 and the second elastic member 6 both comprise a top screw 7, a disc spring pressure ring 8 and a disc spring 9, the disc spring pressure ring 8 is fixedly connected to the interpole baffle 4, the disc spring 9 is arranged in the disc spring pressure ring 8, one end of the top screw 7 is connected to the top screw support 2, and the other end of the top screw 7 is in contact with the disc spring 9.

[0091] The first elastic member 5 and the second elastic member 6 are both located between the top screw support 2 and the inter-electrode baffle 4 .

[0092] The jack screw support 2 is provided with an internal thread, the jack screw 7 is provided with an external thread, and the jack screw 7 is connected to the jack screw support 2 through threads.

[0093] The magnetic yoke 3 is provided with an inter-polar T-tail groove 10 .

[0094] The magnetic yoke 3 is provided with a wedge-shaped key 11 , and the inter-pole baffle 4 is fixed on the inter-pole T-tail groove 10 of the magnetic yoke 3 through the wedge-shaped key 11 .

[0095] More preferably, the inter-pole baffle 4 is a hollow structure, and the inter-pole baffle 4 is located between any two adjacent magnetic poles.

[0096] The first elastic member 5 and the second elastic member 6 are both located in the middle of the inter-electrode baffle 4 .

[0097] The first elastic member 5 and the second elastic member 6 are symmetrically arranged along the inter-electrode baffle 4 .

[0098] The disc spring pressure ring 8 and the inter-electrode baffle 4 are fixed by welding.

[0099] The end of the top screw 7 is spherical, and the end of the top screw 7 is in circumferential contact with the central circular hole of the disc spring 9.

[0100] More preferably, the inter-electrode baffle 4 is formed of an aluminum alloy in one piece, and the hollow structure of the inter-electrode baffle 4 is diamond-shaped.

[0101] The disc spring 9 is a mating structure.

[0102] A center column 12 is fixed to the end of the top screw 7 , and the size of the center column 12 is adapted to the size of the center circular hole of the disc spring 9 .

[0103] This embodiment is the best implementation method. The disc spring 9 is a double-acting structure, which can increase the deformation reserve and is suitable for magnetic poles with small lateral force of the pole coil and large deformation.

[0104] A center column 12 is fixed to the end of the top screw 7. The size of the center column 12 is adapted to the size of the center circular hole of the disc spring 9, which can avoid the risk of the disc spring 9 falling out when the installation quality is poor. The spherical end of the top screw 7 avoids the problem of poor plane contact, increases the contact range between the center circular hole of the disc spring 9 and the top screw 7, and makes the support more reliable.

[0105] The basic principles of the present invention are as follows: By arranging a first elastic member 5 on one side of the interpolar baffle 4 and a second elastic member 6 on the other side of the interpolar baffle 4, the first elastic member 5 and the second elastic member 6 both include a top screw 7, a disc spring pressure ring 8 and a disc spring 9, the disc spring pressure ring 8 is fixedly connected to the interpolar baffle 4, the disc spring 9 is arranged in the disc spring pressure ring 8, one end of the top screw 7 is connected to the top screw support 2, and the other end of the top screw 7 is in contact with the disc spring 9, the interpolar baffle 4 matches the inclined surface of the wedge key 11, and the slope of the inclined surface meets the wedge self-locking requirement, the interpolar baffle 4 is a hollow structure, and the interpolar baffle 4 is located between any two adjacent magnetic poles, which can further compress the distance between the interpolar baffle 4 and the magnetic pole coil, thereby increasing the wind speed on the surface of the magnetic pole coil and increasing the elastic reserve of the supporting device; the overall structural rigidity of the interpolar supporting device is strong, which can effectively improve the heat dissipation efficiency of the magnetic pole surface.

Claims

1. A magnetic pole interpole support device suitable for cooling a magnetic pole coil, comprising a top screw support (2) fixed on a magnetic pole side shroud (1), characterized in that: It also includes an interpolar baffle (4) fixed on the yoke (3), a first elastic member (5) being provided on one side of the interpolar baffle (4), and a second elastic member (6) being provided on the other side of the interpolar baffle (4), the first elastic member (5) and the second elastic member (6) both comprising a top screw (7), a disc spring pressure ring (8) and a disc spring (9), the disc spring pressure ring (8) being fixedly connected to the interpolar baffle (4), the disc spring (9) being arranged in the disc spring pressure ring (8), one end of the top screw (7) being connected to a top screw support (2), and the other end of the top screw (7) being in contact with the disc spring (9).

2. A magnetic pole interpole support device suitable for cooling magnetic pole coils according to claim 1, characterized in that: The first elastic member (5) and the second elastic member (6) are both located between the top screw support (2) and the inter-electrode baffle (4).

3. The magnetic pole interpole support device suitable for cooling magnetic pole coils according to claim 1, characterized in that: The top screw support (2) is provided with an internal thread, the top screw (7) is provided with an external thread, and the top screw (7) is connected to the top screw support (2) via threads.

4. The magnetic pole interpole support device suitable for cooling magnetic pole coils according to claim 1, characterized in that: The magnetic yoke (3) is provided with an interpolar T-tail groove (10).

5. The magnetic pole interpole support device suitable for cooling magnetic pole coils according to claim 4, characterized in that: The magnetic yoke (3) is provided with a wedge-shaped key (11), and the interpolar baffle (4) is fixed to the interpolar T-tail groove (10) of the magnetic yoke (3) via the wedge-shaped key (11).

6. The magnetic pole interpole support device suitable for cooling magnetic pole coils according to claim 1, characterized in that: The inter-pole baffle (4) is a hollow structure, and the inter-pole baffle (4) is located between any two adjacent magnetic poles.

7. The magnetic pole interpole support device suitable for cooling magnetic pole coils according to claim 1, characterized in that: The first elastic member (5) and the second elastic member (6) are both located in the middle of the inter-electrode baffle (4).

8. The magnetic pole interpole support device suitable for cooling magnetic pole coils according to claim 1, characterized in that: The first elastic member (5) and the second elastic member (6) are symmetrically arranged along the inter-electrode baffle (4).

9. The magnetic pole interpole support device suitable for cooling magnetic pole coils according to claim 1, characterized in that: The disc spring pressure ring (8) and the inter-electrode baffle (4) are fixed by welding.

10. The magnetic pole interpole support device suitable for cooling magnetic pole coils according to claim 1, characterized in that: The end of the top screw (7) is a spherical surface, and the end of the top screw (7) is in circumferential contact with the central circular hole of the disc spring (9).

11. The magnetic pole interpole support device suitable for cooling magnetic pole coils according to claim 6, characterized in that: The inter-electrode baffle (4) is formed in one piece from an aluminum alloy, and the hollow structure of the inter-electrode baffle (4) is in a diamond shape.

12. The magnetic pole interpole support device suitable for cooling magnetic pole coils according to claim 1, characterized in that: The disc spring (9) is a laminated structure.

13. The magnetic pole interpole support device suitable for cooling magnetic pole coils according to claim 1, characterized in that: The disc spring (9) is a double-jointed structure.

14. The magnetic pole interpole support device suitable for cooling magnetic pole coils according to claim 10, characterized in that: A center column (12) is fixed to the end of the top screw (7), and the size of the center column (12) is adapted to the size of the center circular hole of the disc spring (9).

Images