A mounting structure for facilitating installation of an oil-cooled permanent magnet speed regulator

Abstract

The application relates to a mounting structure facilitating installation of an oil-cooled permanent magnet speed regulator and relates to the technical field of permanent magnet speed regulator mounting, which comprises a mounting seat for mounting an oil-cooled permanent magnet speed regulator body and a plurality of support rods for supporting the mounting seat; the mounting seat is provided with a sliding hole penetratingly arranged in an up-down direction at the position of each support rod, and the support rod is inserted into the corresponding sliding hole; the support rod is provided with a sliding groove in the length direction of the support rod, the mounting seat is provided with a limiting block in sliding cooperation with the sliding groove; the support rod is screw-connected with an adjusting block, and the adjusting block is rotationally connected with the mounting seat around the axis of the support rod. The application can adjust the height of the mounting seat according to the height of the input shaft of the load, is high in universality, reduces the operation of specially designing and manufacturing the mounting structure, and thus is favorable for improving the convenience of the mounting operation of the oil-cooled permanent magnet speed regulator body.

Description

Technical Field

[0001] This application relates to the field of permanent magnet speed controller installation technology, and in particular to an installation structure that facilitates the installation of an oil-cooled permanent magnet speed controller. Background Technology

[0002] As a key component in motor drive systems, speed controllers adjust the relative positions of a cylindrical permanent magnet rotor and a cylindrical conductor rotor along their axial direction to change the torque transmitted between them. This allows for repeatable, adjustable, and controllable output torque and speed, thereby achieving speed regulation and energy saving. Oil-cooled permanent magnet speed controllers are those that achieve cooling through cooling oil.

[0003] In use, connect the motor's output shaft to the input shaft of the oil-cooled permanent magnet speed controller, and then connect the oil-cooled permanent magnet speed controller's output shaft to the load's input shaft. Sometimes, it's difficult to align the output shaft of the oil-cooled permanent magnet speed controller with the load's input shaft; in this case, a universal joint can be used to connect them to transmit power. However, when using a universal joint for power transmission, wear is prone to occur at the universal joint joint because the rotation axes of the input and output shafts are not on the same straight line, potentially increasing the burden of equipment maintenance. Therefore, a more common technical approach is to design and manufacture a dedicated mounting structure for installing the oil-cooled permanent magnet speed controller, thereby aligning the output shaft of the oil-cooled permanent magnet speed controller with the load's input shaft, and then connecting them via flanges.

[0004] Regarding the aforementioned technologies, the inventors believe that each installation of an oil-cooled permanent magnet speed controller requires the design and manufacture of a dedicated installation structure, making the installation process cumbersome and thus requiring improvement. Summary of the Invention

[0005] The purpose of this application is to provide an installation structure that facilitates the installation of an oil-cooled permanent magnet speed controller.

[0006] The mounting structure for facilitating the installation of an oil-cooled permanent magnet speed controller provided in this application adopts the following technical solution: An installation structure for facilitating the installation of an oil-cooled permanent magnet speed controller includes a mounting base for mounting the main body of the oil-cooled permanent magnet speed controller and several support rods for supporting the mounting base. Each support rod has a sliding hole extending vertically through it, and the support rod is inserted into the corresponding sliding hole. Each support rod has a sliding groove along its length, and the mounting base has a limiting block that slides into the sliding groove. Each support rod is threadedly connected to an adjusting block, which is rotatably connected to the mounting base around the axis of the support rod.

[0007] By adopting the above technical solution, during the installation of the oil-cooled permanent magnet speed controller, the main body is first installed on the mounting base. Then, each adjusting block is rotated to allow the corresponding support rod to slide up and down, thereby adjusting the distance between the lower end wall of the support rod and the upper surface of the mounting base, thus adjusting the height of the mounting base. This aligns the output shaft of the oil-cooled permanent magnet speed controller with the input shaft of the load, facilitating the connection between the output shaft of the oil-cooled permanent magnet speed controller and the input shaft of the load. The adjusting blocks are threadedly connected to the support rods, making it easy to adjust the height of the mounting base according to the height of the load's input shaft. This design offers high versatility and reduces the need for specially designed and manufactured installation structures for the oil-cooled permanent magnet speed controller, thereby improving the ease of installation.

[0008] Optionally, the mounting base is provided with a guide rod, the length of which is along the width of the mounting base; the guide rod is slidably connected to a guide block, and the guide block is connected to a mounting plate for mounting an oil-cooled permanent magnet speed controller; the mounting plate is connected to an adjusting seat, and the adjusting seat is threadedly connected to an adjusting screw, which is rotatably connected to the mounting base.

[0009] By adopting the above technical solution, rotating the adjusting screw can drive the mounting plate to move, thereby adjusting the position of the output shaft of the oil-cooled permanent magnet speed controller along the width direction of the mounting base, so as to further facilitate the alignment of the output shaft of the oil-cooled permanent magnet speed controller with the input shaft of the load.

[0010] Optionally, the adjusting screw is rotatably connected to an operating rod, and the axial direction of the operating rod's shaft is arranged along the radial direction of the adjusting screw; the mounting base is provided with an embedding groove for the operating rod to be embedded.

[0011] By adopting the above technical solution, the operating rod is embedded in the mounting groove, which can limit the rotation of the adjusting screw, thereby improving the stability of the mounting plate.

[0012] Optionally, the operating rod is provided with a limiting hole through the depth direction of the embedding groove, and the inner sidewall of the limiting hole is slidably connected to a limiting rod; the bottom wall of the embedding groove is provided with a fixing hole for inserting and cooperating with the limiting rod; the operating rod is provided with an elastic element for driving the limiting rod to move towards the fixing hole.

[0013] By adopting the above technical solution, the limiting rod and the fixing hole are inserted together to restrict the rotation of the operating rod and reduce the risk of the operating rod disengaging from the embedding groove. During the rotation of the operating rod into the embedding groove, the limiting rod can abut against the bottom wall of the embedding groove, causing relative movement between the limiting rod and the operating rod, allowing the operating rod to continue rotating towards the bottom wall of the embedding groove. When the limiting hole aligns with the fixing hole, the elastic element can drive the limiting rod to automatically insert into the fixing hole, making the operation simple and convenient.

[0014] Optionally, the operating lever is provided with an abutment block for abutting against the bottom wall of the embedding groove; the limiting rod is provided with a connecting block for abutting against the side wall of the operating lever in the direction of the bottom wall of the embedding groove.

[0015] By adopting the above technical solution, when it is necessary to rotate the adjusting screw, the limiting rod is pulled to disengage it from the fixing hole; when the connecting block abuts against the operating rod, the operating rod rotates accordingly, thereby disengaging it from the mounting groove, allowing the operating rod to drive the adjusting screw to rotate. The abutting block abuts against the bottom wall of the mounting groove, creating a gap between the operating rod and the bottom wall of the mounting groove for the connecting block to move, thus allowing the limiting rod to disengage from the fixing hole.

[0016] Optionally, the mounting plate is provided with a mounting groove for inserting the base of the oil-cooled permanent magnet speed controller; the mounting plate is provided with a clamping block for abutting against the upper surface of the oil-cooled permanent magnet speed controller, and a fixing bolt is inserted through the clamping block; the mounting plate is provided with a fixing screw hole that is threaded to the fixing bolt.

[0017] By adopting the above technical solution, when installing the oil-cooled permanent magnet speed controller on the mounting plate, first insert the base of the oil-cooled permanent magnet speed controller into the mounting groove, then cover it with the clamping block and tighten the fixing bolts. The operation is simple and quick. The mounting groove can restrict the movement of the oil-cooled permanent magnet speed controller along the length and width of the mounting plate, thereby improving the stability of the oil-cooled permanent magnet speed controller fixed to the mounting plate.

[0018] Optionally, each of the adjusting blocks is connected to a drive sprocket, and all of the drive sprockets are meshed with a drive chain.

[0019] By adopting the above technical solution, the transmission sprocket and transmission chain work together, and rotating any one of the adjusting blocks will drive all the adjusting blocks to rotate, making the operation simpler and more convenient.

[0020] Optionally, the adjusting block is provided with a connecting sleeve, and the transmission sprocket is sleeved on the outer peripheral wall of the connecting sleeve; the connecting sleeve is provided with a driving block that slides in the up and down direction, and the transmission gear is provided with a driving groove for one end of the driving block to be inserted; the connecting sleeve is provided with an elastic driving member for inserting the driving block into the driving groove.

[0021] By adopting the above technical solution, after the moving drive block disengages from the drive groove, the corresponding adjusting block can be rotated independently to adjust the corresponding support rod, thereby leveling the mounting base and reducing the possibility that the support rod may not be able to make contact with the ground due to uneven ground conditions. This improves the applicability to different ground conditions. Releasing the drive block allows the elastic drive component to automatically move the drive block, causing it to automatically insert into the drive groove so that the transmission sprocket can drive the adjusting block to rotate.

[0022] Optionally, the drive block is provided with an operating turntable, and the connecting sleeve is provided with a positioning ring for abutting against the side wall of the operating turntable opposite to the drive groove; one end of the elastic drive member abuts against the operating turntable, and the other end abuts against the operating turntable.

[0023] By adopting the above technical solution, when it is necessary to adjust one of the support rods individually, the operating turntable is moved to disengage the drive block from the drive groove, and then the operating turntable is rotated to drive the adjustment block to rotate, thereby moving the corresponding support rod. The operation is convenient and labor-saving.

[0024] Optionally, the support rod is threadedly connected to a fixing block for abutting against the adjusting block.

[0025] By adopting the above technical solution, after the position of the support rod is adjusted, the fixing block is rotated so that the fixing block and the adjusting block are pressed together, thereby pressing the side wall of the external thread of the support rod against the side wall of the internal thread of the adjusting block, thereby locking the adjusting block and reducing the possibility of the adjusting block rotating due to vibration during equipment operation, which would cause the support rod to move up and down. This is beneficial to improving the stability of the support rod in maintaining the adjusted position.

[0026] In summary, this application includes at least one of the following beneficial technical effects: 1. The adjusting block is threadedly connected to the support rod, which makes it easy to adjust the height of the mounting base according to the height of the input shaft of the load. It has high versatility and reduces the need for specially designed and manufactured mounting structures for the oil-cooled permanent magnet speed controller, thereby improving the convenience of installation of the oil-cooled permanent magnet speed controller. 2. By rotating the adjusting screw, the position of the mounting plate along the width of the mounting base can be adjusted to further facilitate the alignment of the output shaft of the oil-cooled permanent magnet speed controller with the input shaft of the load; 3. The fixed block can be pressed against the adjusting block to lock the adjusting block, which helps to improve the stability of the support rod in maintaining the adjusted position. Attached Figure Description

[0027] Figure 1 This is an overall schematic diagram of an installation structure for an oil-cooled permanent magnet speed controller according to an embodiment of this application.

[0028] Figure 2 yes Figure 1 Enlarged view of part A in the image.

[0029] Figure 3 It is along Figure 1 Schematic diagram of the cross section of the middle BB line.

[0030] Figure 4 yes Figure 3 Enlarged view of section C in the image.

[0031] Figure 5 This is a schematic diagram used to illustrate the structure of a synchronous drive component.

[0032] Figure 6 yes Figure 5 Enlarged view of part D in the image.

[0033] In the diagram, 1. Mounting base; 11. Sliding hole; 12. Limiting block; 13. Guide rod; 131. Support block; 132. Guide block; 14. Adjusting screw; 141. Support plate; 142. Adjusting seat; 15. Mounting plate; 151. Mounting groove; 152. Clamping block; 1521. Connecting hole; 1522. Fixing bolt; 153. Fixing screw hole; 16. Mounting block; 161. Embedding groove; 162. Fixing hole; 2. Support rod; 21. Sliding groove; 3. Adjusting screw; 4. Sliding hole; 5. Adjusting screw; 6. Sliding hole; 7. Sliding hole; 8. Adjusting screw; 9. Sliding hole; 10. Sliding hole; 11. Sliding hole; 12. Limiting block; 13. Guide rod; 14. Adjusting screw; 15. Mounting plate; 16. Mounting plate; 17. Mounting groove; 18. Limiting block; 19. Limiting block; 10. Guide rod; 11. Sliding hole; 12. Limiting block; 13. Guide rod; 14. Adjusting screw; 15. Mounting plate; 16. Mounting plate; 17. Mounting plate; 18. Mounting plate; 19. Mounting plate; 10. Mounting plate ... 31. Segment block; 32. Rotating ring; 33. Limiting ring; 34. Connecting rod; 35. Connecting sleeve; 36. Mating groove; 37. Drive block; 38. Elastic drive component; 39. Operating turntable; 30. Positioning ring; 4. Fixing block; 50. Operating rod; 51. Limiting hole; 511. Limiting rod; 5111. Connecting block; 52. Abutment block; 53. Elastic component; 6. Synchronous drive assembly; 61. Transmission sprocket; 611. Drive groove; 62. Transmission chain. Detailed Implementation

[0034] The following is in conjunction with the appendix Figure 1 - Appendix Figure 6 This application will be described in further detail below.

[0035] An installation structure for facilitating the installation of an oil-cooled permanent magnet speed controller, referring to... Figure 1 and Figure 2 The system includes a mounting base 1 and support rods 2, the support rods 2 being cylindrical. Multiple support rods 2 are arranged sequentially along the circumference of the mounting base 1, with their length direction aligned vertically. A sliding hole 11 is formed through the upper surface of the mounting base 1 at each support rod 2 position, and each support rod 2 is inserted into the corresponding sliding hole 11. A sliding groove 21 is formed on the circumferential wall of the support rod 2, extending axially. A limiting block 12 is welded and fixed to the upper surface of the mounting base 1 at each sliding hole 11 position. One end of the limiting block 12 is inserted into the sliding groove 21 and slides within it, allowing the support rod 2 to slide vertically relative to the mounting base 1, thereby adjusting the height of the mounting base 1.

[0036] Reference Figure 2The support rod 2 has external threads on its peripheral wall, and an adjusting block 3 is threadedly connected to the support rod 2. The adjusting block 3 is cylindrical and located below the mounting base 1. A rotating ring 31 and a limiting ring 32 are fitted on the upper peripheral wall of the adjusting block 3, with the limiting ring 32 located below the rotating ring 31. The rotating ring 31 is welded to the adjusting block 3, allowing the adjusting block 3 to rotate relative to the limiting ring 32 around the axis of the support rod 2. An upwardly extending connecting rod 321 is welded and fixed to the limiting ring 32, and the connecting rod 321 is welded and fixed to the lower surface of the mounting base 1, so that the rotating ring 31 abuts against the mounting base 1 and allows the rotating ring 31 to rotate relative to the mounting base 1. Rotating the adjusting block 3 allows the support rod 2 to move up or down, making the operation simple and effortless. A connecting sleeve 33 is integrally formed on the lower end wall of each adjusting block 3, and the connecting sleeve 33 is threadedly engaged with the support rod 2. A fixing block 4 is threadedly connected to the peripheral wall of the support rod 2, and the fixing block 4 is located below the connecting sleeve 33. Rotate the fixing block 4, and the fixing block 4 can abut against the lower end wall of the connecting sleeve 33 to lock the support rod 2.

[0037] Reference Figure 1 and Figure 3 The upper surface of the mounting base 1 is provided with a guide rod 13 and an adjusting screw 14, the length of which is along the width of the mounting base 1. Support blocks 131 are welded and fixed to both ends of the guide rod 13, and connecting plates are rotatably connected to both ends of the adjusting screw 14; both support blocks 131 and support plates 141 are welded and fixed to the upper surface of the mounting base 1. A guide block 132 is sleeved on the peripheral wall of the guide rod 13, and an adjusting seat 142 is threadedly connected to the peripheral wall of the adjusting screw 14; the guide block 132 and the adjusting seat 142 are welded and fixed together to a mounting plate 15.

[0038] Reference Figure 3 The upper surface of the mounting plate 15 has a mounting groove 151 for embedding the base of the oil-cooled permanent magnet speed controller. A clamping block 152 is provided on the upper surface of the mounting plate 15, with one end extending into the mounting groove 151 to abut against the upper surface of the base of the oil-cooled permanent magnet speed controller. A connecting hole 1521 is provided through the clamping block 152 at the end away from the mounting groove 151, and a fixing bolt 1522 is inserted through the connecting hole 1521. A fixing screw hole 153 is provided downwards on the upper surface of the mounting plate 15, and the fixing bolt 1522 is threaded into the fixing screw hole 153 to fix the clamping block 152, thereby pressing the clamping block 152 against the base of the oil-cooled permanent magnet speed controller to secure the oil-cooled permanent magnet speed controller.

[0039] Reference Figure 3 and Figure 4One end of the adjusting screw 14 is hinged to an operating rod 5, and the axial direction of the hinge shaft of the operating rod 5 is arranged radially along the adjusting screw 14. A mounting block 16 is welded and fixed to the side wall of the mounting base 1 on one side of the operating rod 5. The mounting block 16 has a through-hole 161 extending vertically. The side of the through-hole 161 facing away from the mounting base 1 is open, allowing the operating rod 5 to rotate downwards and be fitted into the through-hole 161, thereby restricting the rotation of the adjusting screw 14. In another embodiment, the through-hole 161 can also be supported on the side wall of the mounting base 1.

[0040] Reference Figure 4 The operating lever 5 has a limiting hole 51 extending through the depth direction of the mounting groove 161. A limiting rod 511 is slidably connected to the inner wall of the limiting hole 51. A fixing hole 162 is provided on the bottom wall of the mounting groove 161. An abutment block 52 is welded and fixed to the side wall of the operating lever 5 facing the bottom wall of the mounting groove 161. During the rotation of the operating lever 5, when the abutment block 52 abuts against the bottom wall of the mounting groove 161, the limiting rod 511 aligns with the fixing hole 162. The operating lever 5 is provided with an elastic element 53, which includes a spring. The elastic element 53 is located on the side of the operating lever 5 away from the mounting block 16. The elastic element 53 is sleeved on the limiting rod 511, with one end welded to the operating lever 5 and the other end welded to the limiting rod 511, driving the limiting rod 511 to move towards the fixing hole 162, so that the limiting rod 511 is inserted into the fixing hole 162, thereby restricting the rotation of the operating lever 5.

[0041] Reference Figure 4 A connecting block 5111 is welded and fixed to the peripheral wall of the limiting rod 511. The connecting block 5111 is located on the side of the operating rod 5 away from the elastic element 53. When one end of the limiting rod 511 is inserted into the fixing hole 162, the connecting block 5111 abuts against the bottom wall of the embedding groove 161, and there is a gap between the connecting block 5111 and the operating rod 5. When it is necessary to rotate the operating rod 5, the limiting rod 511 is pulled in the direction away from the fixing hole 162 so that the connecting block 5111 abuts against the operating rod 5. At this time, the limiting rod 511 disengages from the fixing hole 162, and the limiting rod 511 can drive the operating rod 5 to rotate automatically.

[0042] Reference Figure 5 and Figure 6 All the adjusting blocks 3 are connected to a synchronous drive assembly 6, which includes a transmission sprocket 61 (represented by a disc in the figure) and a transmission chain 62 (represented by a flat belt in the figure). The number of transmission sprockets 61 is equal to the number of connecting sleeves 33. The transmission sprockets 61 correspond one-to-one with the connecting sleeves 33, and each transmission sprocket 61 is fitted onto the outer peripheral wall of the corresponding connecting sleeve 33.

[0043] Reference Figure 6The outer peripheral wall of the connecting sleeve 33 has a mating groove 331 along the vertical direction, and a driving block 3311 is slidably connected to the inner side wall of the mating groove 331. The lower end wall of the transmission sprocket 61 has a driving groove 611 that communicates with the interior of the transmission sprocket 61. The upper end of the driving block 3311 can be inserted into the driving groove 611 so that the driving sprocket can drive the connecting sleeve 33 to rotate, thereby driving the adjusting block 3 to rotate. The transmission chain 62 is wrapped around the outside of all the transmission sprockets 61 and meshes with the transmission sprockets 61. Rotating one of the connecting sleeves 33 will cause all the connecting sleeves 33 to rotate synchronously.

[0044] Reference Figure 6 The connecting sleeve 33 has an operating turntable 333 and a positioning ring 334 fitted on its outer peripheral wall. The positioning ring 334 is located below the operating turntable 333 and is welded and fixed to the outer peripheral wall of the connecting sleeve 33. The operating turntable 333 is welded and fixed to the lower end wall of the drive block 3311. When the operating turntable 333 abuts against the positioning ring 334, the drive block 3311 disengages from the drive groove 611, and the connecting sleeve 33 can rotate relative to the corresponding transmission sprocket 61 to adjust the corresponding support rod 2 individually. The connecting sleeve 33 is provided with an elastic drive element 332, which includes a spring. The elastic drive element 332 is fitted on the outer peripheral wall of the connecting sleeve 33 and is located between the positioning ring 334 and the operating turntable 333. One end of the elastic drive member 332 abuts against the operating turntable 333, and the other end abuts against the positioning ring 334, so as to drive the operating turntable 333 to move upward so that the drive block 3311 is inserted into the drive groove 611.

[0045] The implementation principle of this application embodiment is as follows: In use, first install the oil-cooled permanent magnet speed controller on the upper surface of the mounting plate 15; then rotate the adjusting block 3 to adjust the height of the mounting base 1, thereby aligning the output shaft of the oil-cooled permanent magnet speed controller with the input shaft of the load in the vertical direction; finally, rotate the adjusting screw 14 to align the output shaft of the oil-cooled permanent magnet speed controller with the input shaft of the load in the width direction of the mounting base 1. The mounting plate 15 is used to install the oil-cooled permanent magnet speed controller; the height of the mounting plate 15 is adjustable, and the position of the mounting plate 15 in the width direction of the mounting base 1 is adjustable, so that the output shaft of the oil-cooled permanent magnet speed controller on the mounting plate 15 is aligned with the input shaft of the load. It has good versatility, reduces the operation of designing and manufacturing special mounting structures, and thus helps to improve the convenience of installation and operation of the oil-cooled permanent magnet speed controller.

[0046] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be included within the scope of protection of this application.

Claims

1. A mounting structure for facilitating the installation of an oil-cooled permanent magnet speed controller, comprising a mounting base (1) for mounting the oil-cooled permanent magnet speed controller and a plurality of support rods (2) for supporting the mounting base (1); characterized in that: The mounting base (1) has sliding holes (11) extending vertically through each support rod (2), and the support rod (2) is inserted into the corresponding sliding hole (11). Each support rod (2) has a sliding groove (21) along its length, and the mounting base (1) has a limiting block (12) that slides into the sliding groove (21). The support rod (2) is threadedly connected to an adjusting block (3), which is rotatably connected to the mounting base (1) around the axis of the support rod (2). The mounting base (1) has a guide rod (13), the length of which is along the width of the mounting base (1). The guide rod (13) is slidably connected to a guide block (132), which is connected to a mounting plate (15) for an oil-cooled permanent magnet speed controller. The mounting plate (15) is connected to an adjusting block. The adjustment seat (142) is threadedly connected to an adjustment screw (14), which is rotatably connected to the mounting seat (1). The adjustment screw (14) is rotatably connected to an operating rod (5), and the axial direction of the rotating shaft of the operating rod (5) is arranged along the radial direction of the adjustment screw (14). The mounting seat (1) is provided with a fitting groove (161) for the operating rod (5) to be inserted after rotating downward. The operating rod (5) is provided with a limiting hole (51) through the depth direction of the fitting groove (161). The inner side wall of the limiting hole (51) is slidably connected to a limiting rod (511). The bottom wall of the fitting groove (161) is provided with a fixing hole (162) for insertion and cooperation with the limiting rod (511). The operating rod (5) is provided with an elastic element (53) for driving the limiting rod (511) to move in the direction of the fixing hole (162).

2. The mounting structure for facilitating the installation of an oil-cooled permanent magnet speed controller according to claim 1, characterized in that: The operating lever (5) is provided with an abutting block (52) for abutting against the bottom wall of the embedding groove (161); the limiting rod (5111) is provided with a connecting block (5111) for abutting against the side wall of the operating lever (5) in the direction of the bottom wall of the embedding groove (161).

3. The mounting structure for facilitating the installation of an oil-cooled permanent magnet speed controller according to claim 1, characterized in that: The mounting plate (15) is provided with a mounting groove (151) for inserting the base of the oil-cooled permanent magnet speed controller; the mounting plate (15) is provided with a pressing block (152) for abutting against the upper surface of the oil-cooled permanent magnet speed controller, and a fixing bolt (1522) is inserted through the pressing block (152); the mounting plate (15) is provided with a fixing screw hole (153) for threaded engagement with the fixing bolt (1522).

4. The mounting structure for facilitating the installation of an oil-cooled permanent magnet speed controller according to claim 1, characterized in that: Each of the adjusting blocks (3) is connected to a drive sprocket (61), and all of the drive sprockets (61) are meshed with a drive chain (62).

5. The mounting structure for facilitating the installation of an oil-cooled permanent magnet speed controller according to claim 4, characterized in that: The adjusting block (3) is provided with a connecting sleeve (33), and the transmission sprocket (61) is sleeved on the outer peripheral wall of the connecting sleeve (33); the connecting sleeve (33) is provided with a driving block (3311) that slides in the up and down direction, and the transmission gear is provided with a driving groove (611) for one end of the driving block (3311) to be inserted; the connecting sleeve (33) is provided with an elastic driving member (332) for inserting the driving block (3311) into the driving groove (611).

6. The mounting structure for facilitating the installation of an oil-cooled permanent magnet speed controller according to claim 5, characterized in that: The drive block (3311) is provided with an operating turntable (333), and the connecting sleeve (33) is provided with a positioning ring (334) for abutting against the side wall of the operating turntable (333) on the side opposite to the drive groove (611); one end of the elastic drive member (332) abuts against the operating turntable (333), and the other end abuts against the operating turntable (333).

7. The mounting structure for facilitating the installation of an oil-cooled permanent magnet speed controller according to claim 1, characterized in that: The support rod (2) is threadedly connected to a fixing block (4) for abutting against the adjusting block (3).

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