High-speed gearbox

Abstract

The invention relates to the technical field of gear boxes, in particular to a high-speed gear box which mainly comprises a gear box body and a fixing mechanism, a mounting seat is arranged below the gear box body, the fixing mechanism is arranged below the gear box body, and the fixing mechanism comprises a fixing strip fixedly mounted on the bottom surface of the gear box body and a protection mechanism. The protection mechanism is arranged on one side of the fixing strip. A fixing strip on a gearbox body is vertically placed in a groove body, a wedge-shaped block pushes a moving block to move and enables a first elastic piece to contract, then under the elastic force effect of the first elastic piece, the moving block is pushed to move and drives the wedge-shaped block to move into a clamping groove to be clamped, the fixing strip is fixed in the groove body, and then after a base plate presses an adjusting plate, the adjusting plate is clamped in the groove body. And bolts are connected with the threaded grooves, so that the base plates and the fixing strips are further fixed, the gearbox body and the mounting base are tightly connected, the through holes and the threaded grooves are conveniently aligned and mounted, the positions do not need to be adjusted many times, and the mounting efficiency and quality are improved.

Description

Technical Field

[0001] The invention relates to the technical field of gear boxes, in particular to a high-speed gear box. Background Art

[0002] In the field of wind power generation, gearboxes are generally installed in the nacelle of the unit tower several tens of meters above the ground, and are fixedly connected to the fixed frame in the unit tower. Its main function is to transmit the power generated by the wind rotor to the generator and make it get the corresponding speed. Usually, the speed of the wind rotor is very low, far from the speed required by the generator. It must be achieved through the speed increase of the gear pair of the gearbox, so the gearbox is also called a speed increaser.

[0003] The Chinese patent publication number CN222377170U discloses a high-speed gearbox housing structure. The sound insulation board is provided to make the gearbox body have a sound insulation effect. The hollow transparent glass is provided to make the door frame have a sound insulation effect. When the user rotates the rotating plate, the connecting column can be driven to rotate, thereby driving the bidirectional screw to rotate. Through the rotation of the bidirectional screw, the two movable plates move toward each other under the limit of the limit column, thereby driving the two clamping plates connected by the two connecting blocks to move toward each other, so that the device can be clamped and installed. Moreover, through the provision of the mounting plate and the mounting hole, the device can be installed and disassembled using screws in an environment where clamping installation cannot be used, which is more practical.

[0004] Gearboxes with double mounting feet are usually connected to the foundation or bracket by bolts or other fasteners. The gearboxes in wind turbines need to withstand the huge torque and vibration caused by wind. The design of double mounting feet can improve the stability and service life of the gearbox. Since the installation process is an aerial operation and the gearbox has a large weight, the high-speed gearbox needs to accurately align the mounting holes on the mounting plate with the holes on the external fixing frame during installation and fixation, and then the mounting plate and the external fixing frame are tightly connected and fixed by bolts. During the suspension installation process, slight deformation of the mounting plate, position deviation of the holes of the fixing frame, or slight errors in manual operation may make it difficult to accurately align the mounting holes with the holes at one time, which is easy to cause offset. This offset occurs from time to time, which not only increases the difficulty of installation, but also significantly prolongs the time required for the entire installation process. Summary of the invention

[0005] The object of the present invention is to provide a high-speed gearbox to solve the problem in the background art that the mounting holes and the holes are difficult to align accurately at one time and are prone to deviation.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A high-speed gearbox, comprising: a gearbox body, an installation base is arranged below the gearbox body, and further comprising:

[0008] A fixing mechanism, the fixing mechanism is arranged below the gearbox body, the fixing mechanism includes a fixing strip fixedly installed on the bottom surface of the gearbox body, a backing plate and an adjusting plate are arranged inside the fixing strip, a groove body is opened on the top surface of the installation base, and the fixing mechanism is used for fixing the gearbox body;

[0009] A protection mechanism, the protection mechanism is arranged on one side of the fixing strip, the protection mechanism includes a protection shell located on one side of the fixing strip, a T-shaped block is fixedly installed on the side surface of the protection shell, and the protection mechanism is used for blocking and protecting one end of the adjusting plate.

[0010] Preferably, both the fixing strip and the groove body are provided with two, the side surfaces of the two fixing strips are respectively slidably connected with the inner walls of the two groove bodies, a plurality of cavities are respectively opened inside the two fixing strips, and two moving blocks are respectively slidably installed on the inner walls of the plurality of cavities.

[0011] Preferably, wedge-shaped blocks are respectively fixedly installed on the mutually remote side surfaces of the plurality of moving blocks, the mutually remote ends of the plurality of wedge-shaped blocks respectively slide through the inner walls of the plurality of cavities and extend to the outside of the fixing strip, and a plurality of clamping grooves are respectively opened on the inner walls of both sides of the two groove bodies, and the inner walls of the plurality of clamping grooves are respectively clamped with the plurality of wedge-shaped blocks.

[0012] Preferably, two installation grooves are respectively opened on the top surfaces of the two fixing strips, adjusting grooves are respectively opened on the inner walls of the plurality of installation grooves, a plurality of through grooves are opened on the inner walls of the plurality of adjusting grooves and extend into the cavities together, and connecting strips are respectively slidably installed on the inner walls of the plurality of through grooves.

[0013] Preferably, the mutually close side surfaces of the plurality of moving blocks are elastically connected by an elastic member I, a plurality of limiting rods are respectively slidably penetrated and installed on the side surfaces of the plurality of moving blocks, and both ends of the plurality of limiting rods are respectively fixedly connected with the inner walls of the plurality of cavities.

[0014] Preferably, cylinders are respectively fixedly installed on the lower side surfaces of the plurality of connecting strips, two inclined grooves I are respectively opened on the side surfaces of the plurality of moving blocks, the outer walls of the other ends of the plurality of cylinders are respectively slidably connected with the inner walls of the plurality of inclined grooves I, a plurality of backing plates and adjusting plates are provided, the inner walls of the plurality of adjusting grooves are slidably connected with the outer walls of the plurality of adjusting plates, and the bottom surfaces of the plurality of adjusting plates are respectively fixedly connected with the upper ends of the plurality of connecting strips.

[0015] Preferably, the inner walls of the plurality of installation grooves are respectively slidably connected with the outer walls of the plurality of backing plates, the bottom surfaces of the plurality of backing plates are respectively abutted against the top surfaces of the plurality of adjusting plates, through holes are respectively opened through the lower inner walls of the plurality of installation grooves, threaded grooves are respectively opened on the lower inner walls of the two groove bodies, bolts are arranged on the inner walls of the plurality of backing plates and the inner walls of the plurality of through holes, and the lower ends of the plurality of bolts are respectively threadedly connected with the inner walls of the plurality of threaded grooves.

[0016] Preferably, there are multiple protective cases and T-shaped blocks. Multiple T-shaped grooves are formed on the sides of multiple fixing bars, and the outer walls of two T-shaped blocks are respectively slidably connected to the inner walls of the multiple T-shaped grooves.

[0017] Preferably, two placement grooves are respectively formed on the inner walls of multiple installation grooves. A second through groove is formed through the lower inner wall of the multiple placement grooves and is communicated with the T-shaped groove. Placement plates are respectively slidably installed on the inner walls of the multiple placement grooves. One ends of the multiple placement plates are all wedge-shaped, and the sides of the multiple placement plates are respectively slidably connected to the sides of the multiple backing plates.

[0018] Preferably, multiple second elastic members are respectively fixedly installed on the sides of the multiple placement plates, and the other ends of the multiple second elastic members are respectively fixedly connected to one side inner walls of the multiple placement grooves. Second inclined grooves are respectively formed through the top surfaces of the multiple placement plates. Connecting columns are respectively fixedly installed on the top surfaces of the multiple T-shaped blocks, and the outer walls of the upper ends of the multiple connecting columns are respectively slidably connected to the inner walls of the multiple second inclined grooves and the inner walls of the multiple second through grooves.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0020] In the present invention, the fixing bar on the gearbox body is vertically placed in the groove body. The wedge-shaped block pushes the moving block to move and causes the first elastic member to contract. Subsequently, under the elastic force of the first elastic member, the moving block is pushed to move and drive the wedge-shaped block to move into the clamping groove for clamping, fixing the fixing bar in the groove body. Subsequently, after the backing plate presses the adjusting plate, it is connected to the threaded groove through the bolt, thereby further fixing the backing plate and the fixing bar, making the gearbox body tightly connected to the mounting seat and facilitating the alignment and installation of the through hole and the threaded groove. There is no need to adjust the position multiple times, improving the installation efficiency and quality;

[0021] When the backing plate is installed, the placement plate is extruded. The placement plate moves to extrude the second elastic member. The second inclined groove on the placement plate moves and cooperates with the second through groove, driving the connecting column, the T-shaped block and the protective case to move. The protective cases on both sides approach each other to surround one end of the adjusting plate for protection, making it difficult for one end of the adjusting plate to be broken by collision, improving the safety and service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a three-dimensional structural schematic diagram of the present invention;

[0023] Figure 2 is an exploded three-dimensional structural diagram of the present invention;

[0024] Figure 3 is an exploded three-dimensional structural diagram of the backing plate part of the present invention;

[0025] Figure 4 is an exploded three-dimensional structural diagram of the adjusting plate part of the present invention;

[0026] Figure 5Schematic cross-sectional view of the three-dimensional structure of the fixing bar of the present invention;

[0027] Figure 6 Top view cross-section of the three-dimensional structure of the fixing bar of the present invention;

[0028] Figure 7 Exploded view of the structure at the three-dimensional placement plate of the present invention;

[0029] Figure 8 Of the present invention Figure 7 Enlarged view at A in;

[0030] Figure 9 Side view cross-section of the three-dimensional structure of the fixing bar of the present invention.

[0031] In the figure:

[0032] 1. Gearbox body; 101. Mounting seat;

[0033] 2. Fixing mechanism; 201. Fixing bar; 202. Groove body; 203. Cavity; 204. Moving block; 205. Wedge block; 206. Limiting rod; 207. First elastic member; 208. First inclined groove; 209. Cylinder; 210. Connecting bar; 211. First through groove; 212. Mounting groove; 213. Adjusting groove; 214. Adjusting plate; 215. Lining plate; 216. Through hole; 217. Threaded groove; 218. Bolt; 219. Card slot;

[0034] 3. Protection mechanism; 301. T-shaped groove; 302. T-shaped block; 303. Connecting column; 304. Placement groove; 305. Second through groove; 306. Placement plate; 307. Second inclined groove; 308. Second elastic member; 309. Protection shell. Detailed implementation manners

[0035] It should be noted that, without conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The following will refer to the drawings and combine the embodiments to describe the present application in detail.

[0036] In order to enable those skilled in the art to better understand the solution of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0037] As Figures 1 - 9 shown, the present application provides a high-speed gearbox, including: a gearbox body 1, a mounting seat 101 is arranged below the gearbox body 1, and further includes:

[0038] Fixing mechanism 2 is arranged below the gearbox body 1. The fixing mechanism 2 includes a fixing strip 201 fixedly installed on the bottom surface of the gearbox body 1. A backing plate 215 and an adjusting plate 214 are arranged inside the fixing strip 201. A groove 202 is formed on the top surface of the mounting seat 101. The fixing mechanism 2 is used to fix the gearbox body 1.

[0039] Specifically, as Figures 1 - 9 shown, there are two fixing strips 201 and two grooves 202. The sides of the two fixing strips 201 are respectively slidably connected to the inner walls of the two grooves 202. A plurality of cavities 203 are respectively formed inside the two fixing strips 201, and two moving blocks 204 are respectively slidably installed on the inner walls of the plurality of cavities 203.

[0040] In this embodiment: The groove 202 is provided to limit the fixing strip 201, which is convenient for installing the fixing strip 201. The cavity 203 is provided to limit the moving block 204, so that the moving block 204 can move on the inner wall of the cavity 203.

[0041] Specifically, as Figures 1 - 9 shown, wedge-shaped blocks 205 are respectively fixedly installed on the mutually remote sides of the plurality of moving blocks 204. The mutually remote ends of the plurality of wedge-shaped blocks 205 respectively slide through the inner walls of the plurality of cavities 203 and extend to the outside of the fixing strip 201. A plurality of clamping grooves 219 are respectively formed on the two inner walls of the two grooves 202, and the inner walls of the plurality of clamping grooves 219 are respectively clamped with the plurality of wedge-shaped blocks 205.

[0042] In this embodiment: Through the arranged wedge-shaped blocks 205 and clamping grooves 219, when the wedge-shaped blocks 205 are clamped with the clamping grooves 219, the fixing strip 201 is fixed, so that the fixing strip 201 is not prone to moving and is fixed more stably.

[0043] Specifically, as Figures 1 - 9 shown, two mounting grooves 212 are respectively formed on the top surfaces of the two fixing strips 201. Adjusting grooves 213 are respectively formed on the inner walls of the plurality of mounting grooves 212. A plurality of first through grooves 211 are formed on the inner walls of the plurality of adjusting grooves 213 and extend to the inside of the cavity 203. Connecting strips 210 are respectively slidably installed on the inner walls of the plurality of first through grooves 211.

[0044] In this embodiment: Through the arranged first through grooves 211, the connecting strips 210 are limited, so that the connecting strips 210 move more stably.

[0045] Specifically, as Figures 1 - 9 shown, the mutually close sides of the plurality of moving blocks 204 are elastically connected by a first elastic member 207. A plurality of limiting rods 206 are respectively slidably and penetratively installed on the sides of the plurality of moving blocks 204. Both ends of the plurality of limiting rods 206 are respectively fixed to the inner walls of the plurality of cavities 203.

[0046] In this embodiment: By means of the first elastic member 207 provided, an elastic force is applied to the moving block 204, a thrust force is applied to the moving block 204 and the wedge-shaped block 205, and the limiting rod 206 provided limits the moving block 204, making the movement of the moving block 204 more stable.

[0047] Specifically, as Figures 1 - 9 shown, cylinders 209 are respectively fixedly installed on the lower side surfaces of multiple connecting bars 210, two first inclined grooves 208 are respectively formed in the side surfaces of multiple moving blocks 204, and the outer walls of the other ends of multiple cylinders 209 are respectively slidably connected with the inner walls of multiple first inclined grooves 208. A plurality of cushion plates 215 and adjusting plates 214 are provided, the inner walls of multiple adjusting grooves 213 are slidably connected with the outer walls of multiple adjusting plates 214, and the bottom surfaces of multiple adjusting plates 214 are respectively fixedly connected with the upper ends of multiple connecting bars 210.

[0048] In this embodiment: When the adjusting plate 214 provided moves upward, it drives the connecting bar 210 and the cylinder 209 to move. While the cylinder 209 moves, the moving block 204 and the wedge-shaped block 205 are pulled to move through the first inclined groove 208, so that the wedge-shaped block 205 moves out of the clamping groove 219, and thus the fixing bar 201 can be conveniently taken out of the groove body 202.

[0049] Specifically, as Figures 1 - 9 shown, the inner walls of multiple mounting grooves 212 are respectively slidably connected with the outer walls of multiple cushion plates 215, the bottom surfaces of multiple cushion plates 215 respectively abut against the top surfaces of multiple adjusting plates 214, through holes 216 are formed in the lower inner walls of multiple mounting grooves 212 in a penetrating manner, threaded grooves 217 are respectively formed in the lower inner walls of two groove bodies 202, bolts 218 are provided on the inner walls of multiple cushion plates 215 and the inner walls of multiple through holes 216, and the lower ends of multiple bolts 218 are respectively threadedly connected with the inner walls of multiple threaded grooves 217.

[0050] In this embodiment: The adjusting plate 214 is pressed by the cushion plate 215 provided, and the cushion plate 215 and the fixing bar 201 are fixed by connecting the bolt 218 with the threaded groove 217, so as to further fix the gearbox body 1 and the mounting seat 101.

[0051] The protection mechanism 3 is arranged on one side of the fixing bar 201. The protection mechanism 3 includes a protection shell 309 located on one side of the fixing bar 201. A T-shaped block 302 is fixedly installed on the side surface of the protection shell 309. The protection mechanism 3 is used to block and protect one end of the adjusting plate 214.

[0052] Specifically, as Figures 1 - 9As shown, there are multiple protective cases 309 and T-shaped blocks 302. A plurality of T-shaped grooves 301 are formed on the sides of the plurality of fixing bars 201, and the outer walls of the two T-shaped blocks 302 are respectively slidably connected to the inner walls of the plurality of T-shaped grooves 301.

[0053] In this embodiment: By providing the T-shaped groove 301, the T-shaped block 302 is limited, so that the T-shaped block 302 moves more stably. The T-shaped block 302 drives the protective case 309 to move, and the protective case 309 blocks and protects one end of the adjusting plate 214.

[0054] Specifically, as Figures 1 - 9 shown, two placement grooves 304 are respectively formed on the inner walls of the plurality of mounting grooves 212. A second through groove 305 is formed through the lower inner walls of the plurality of placement grooves 304 and is communicated with the T-shaped groove 301. Placement plates 306 are respectively slidably mounted on the inner walls of the plurality of placement grooves 304. One ends of the plurality of placement plates 306 are all formed into wedges, and the sides of the plurality of placement plates 306 are respectively slidably connected to the sides of the plurality of backing plates 215.

[0055] In this embodiment: By providing the backing plate 215, the side of the backing plate 215 pushes the placement plate 306 to move and blocks it.

[0056] Specifically, as Figures 1 - 9 shown, a plurality of second elastic members 308 are respectively fixedly mounted on the sides of the plurality of placement plates 306. The other ends of the plurality of second elastic members 308 are respectively fixedly connected to one inner wall of the plurality of placement grooves 304. Oblique grooves 307 are respectively formed through the top surfaces of the plurality of placement plates 306. Connecting columns 303 are respectively fixedly mounted on the top surfaces of the plurality of T-shaped blocks 302. The outer walls of the upper ends of the plurality of connecting columns 303 are respectively slidably connected to the inner walls of the plurality of oblique grooves 307 and the inner walls of the plurality of second through grooves 305.

[0057] In this embodiment: By providing the second elastic member 308, an elastic force is applied to the placement plate 306. Through the movement of the placement plate 306 and the cooperation of the oblique groove 307 and the second through groove 305 on the placement plate 306, the connecting column 303 and the T-shaped block 302 are driven to move, so as to drive the protective case 309 to move to protect the adjusting plate 214.

[0058] The specific solution of this scheme is as follows: The fixing strip 201 on the gearbox body 1 is vertically placed in the groove body 202. The wedge-shaped block 205 pushes the moving block 204 to move and makes the first elastic member 207 contract. Subsequently, under the elastic force of the first elastic member 207, the moving block 204 is pushed to move and drive the wedge-shaped block 205 to move into the clamping groove 219 for clamping, fixing the fixing strip 201 in the groove body 202. Subsequently, after the backing plate 215 presses the adjusting plate 214, it is connected to the threaded groove 217 through the bolt 218, thereby further fixing the backing plate 215 and the fixing strip 201, making the gearbox body 1 tightly connected to the mounting seat 101 and facilitating the alignment and installation of the through hole 216 and the threaded groove 217, without the need for multiple position adjustments, improving the installation efficiency and quality. When the backing plate 215 is installed, the placement plate 306 is extruded. The placement plate 306 moves to extrude the second elastic member 308. The inclined groove two 307 on the placement plate 306 moves and cooperates with the through groove two 305, driving the connecting column 303, the T-shaped block 302, and the protective shell 309 to move. The protective shells 309 on both sides approach each other to surround and protect one end of the adjusting plate 214, making it not easy for one end of the adjusting plate 214 to be broken by collision, improving the safety and service life of the device. When opening, loosen the bolt 218, remove the backing plate 215. The second elastic member 308 pushes the placement plate 306 to move, driving the connecting column 303, the T-shaped block 302, and the protective shell 309 to move through the placement groove 304 and the through groove two 305. Pull the adjusting plate 214 to drive the connecting strip 210 and the cylinder 209 to move, thereby pulling the moving block 204 and the wedge-shaped block 205 to move through the inclined groove one 208, so that the wedge-shaped block 205 moves out of the clamping groove 219, facilitating the removal of the fixing strip 201 from the groove body 202, and facilitating subsequent replacement and maintenance.

[0059] Those of ordinary skill in the art should understand that the discussion of any of the above embodiments is only exemplary; under the concept of the present invention, the technical features in the above embodiments or different embodiments can also be combined, and the steps can be implemented in any order, and there are many other variations in different aspects of the present invention as described above. For the sake of brevity, they are not provided in detail.

[0060] The present invention aims to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims

1. A high-speed gearbox, comprising: A gearbox body (1), wherein a mounting seat (101) is arranged below the gearbox body (1), and the gearbox body (1) is characterized in that it further comprises: A fixing mechanism (2), the fixing mechanism (2) being arranged below the gear box body (1), the fixing mechanism (2) comprising a fixing strip (201) fixedly mounted on the bottom surface of the gear box body (1), a pad (215) and an adjustment plate (214) being arranged inside the fixing strip (201), a groove (202) being provided on the top surface of the mounting seat (101), and the fixing mechanism (2) being used for fixing the gear box body (1); A protective mechanism (3), the protective mechanism (3) being arranged on one side of the fixing bar (201), the protective mechanism (3) comprising a protective shell (309) located on one side of the fixing bar (201), a T-shaped block (302) being fixedly mounted on the side of the protective shell (309), and the protective mechanism (3) being used to block and protect one end of the adjustment plate (214).

2. A high-speed gearbox according to claim 1, characterized in that: Two fixing bars (201) and two slot bodies (202) are provided, and the sides of the two fixing bars (201) are respectively connected to the inner walls of the two slot bodies (202) in a sliding manner. A plurality of cavities (203) are respectively provided inside the two fixing bars (201), and two moving blocks (204) are respectively installed in a sliding manner on the inner walls of the plurality of cavities (203).

3. A high-speed gearbox according to claim 2, characterized in that: The multiple moving blocks (204) are respectively fixedly installed with wedge blocks (205) on the sides away from each other, and the multiple wedge blocks (205) slide through the inner walls of the multiple cavities (203) and extend to the outside of the fixed strip (201) at the ends away from each other. The inner walls on both sides of the two groove bodies (202) are respectively provided with multiple slots (219), and the inner walls of the multiple slots (219) are respectively engaged with the multiple wedge blocks (205).

4. A high-speed gearbox according to claim 3, characterized in that: Two installation grooves (212) are respectively provided on the top surfaces of the two fixing bars (201); the inner walls of the plurality of installation grooves (212) are respectively provided with adjustment grooves (213); the inner walls of the plurality of adjustment grooves (213) are provided with a plurality of through grooves (211) extending into the interior of the cavity (203); and the inner walls of the plurality of through grooves (211) are respectively provided with connecting bars (210) slidably installed.

5. A high-speed gearbox according to claim 4, characterized in that: The multiple moving blocks (204) are elastically connected to each other at the side surfaces close to each other through an elastic member (207), and multiple limiting rods (206) are slidably installed on the sides of the multiple moving blocks (204), and the two ends of the multiple limiting rods (206) are fixedly connected to the inner walls of the multiple cavities (203) respectively.

6. A high-speed gearbox according to claim 5, characterized in that: The lower end side surfaces of the plurality of connecting bars (210) are respectively fixedly mounted with cylinders (209), the sides of the plurality of moving blocks (204) are respectively provided with two inclined grooves (208), the outer walls of the other ends of the plurality of cylinders (209) are respectively slidably connected with the inner walls of the plurality of inclined grooves (208), the pads (215) and the adjustment plates (214) are both provided with a plurality, the inner walls of the plurality of adjustment grooves (213) are slidably connected with the outer walls of the plurality of adjustment plates (214), and the bottom surfaces of the plurality of adjustment plates (214) are respectively fixedly connected with the upper ends of the plurality of connecting bars (210).

7. A high-speed gearbox according to claim 6, characterized in that: The inner walls of the plurality of mounting grooves (212) are respectively slidably connected to the outer walls of the plurality of pads (215); the bottom surfaces of the plurality of pads (215) are respectively in contact with the top surfaces of the plurality of adjustment plates (214); the inner walls of the lower ends of the plurality of mounting grooves (212) are provided with through holes (216); the inner walls of the lower ends of the two groove bodies (202) are respectively provided with threaded grooves (217); the inner walls of the plurality of pads (215) and the inner walls of the plurality of through holes (216) are provided with bolts (218); the lower ends of the plurality of bolts (218) are respectively threadedly connected to the inner walls of the plurality of threaded grooves (217).

8. A high-speed gearbox according to claim 4, characterized in that: The protective shell (309) and the T-shaped block (302) are both provided with a plurality of them, and a plurality of T-shaped slots (301) are provided on the sides of the plurality of the fixing bars (201), and the inner walls of the plurality of the T-shaped slots (301) are respectively slidably connected to the outer walls of the two T-shaped blocks (302).

9. A high-speed gearbox according to claim 8, characterized in that: The inner walls of the plurality of installation grooves (212) are respectively provided with two placement grooves (304); the inner walls of the lower ends of the plurality of placement grooves (304) are provided with through grooves (305) which are connected with the T-shaped grooves (301); the inner walls of the plurality of placement grooves (304) are respectively provided with placement plates (306) which are slidably installed; one end of the plurality of placement plates (306) is configured to be wedge-shaped; and the side surfaces of the plurality of placement plates (306) are respectively slidably connected with the side surfaces of the plurality of pads (215).

10. A high-speed gearbox according to claim 9, characterized in that: A plurality of elastic members (308) are fixedly mounted on the side surfaces of the plurality of placement plates (306), and the other ends of the plurality of elastic members (308) are fixedly connected to the inner walls of one side of the plurality of placement grooves (304). The top surfaces of the plurality of placement plates (306) are respectively provided with oblique grooves (307). The top surfaces of the plurality of T-shaped blocks (302) are respectively fixedly mounted with connecting columns (303), and the outer walls of the upper ends of the plurality of connecting columns (303) are respectively slidably connected to the inner walls of the plurality of oblique grooves (307) and the inner walls of the plurality of through grooves (305).

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