A fixing device for processing wind power bearing seat

Abstract

The present invention relates to the technical field of clamping of machine tool parts, and specifically discloses a fixing device for processing a wind power bearing seat, comprising a base, a fixing seat and a rotating mechanism. A positioning block is lifted and lowered on the base, the fixing seat is rotatably matched with the base, the rotating mechanism drives the fixing seat to rotate, a supporting member, a positioning assembly and an adjusting assembly are arranged on the fixing seat, the positioning block is plug-in-matched with the supporting member, the positioning assembly comprises a positioning member and a driving member, the driving member drives the positioning member to slide relative to the fixing seat, the positioning member is used to adapt the end face opposite to the workpiece to the surface of the workpiece in an arc shape, the positioning member is movably abutted against the workpiece, at least two mounting ears are arranged on the workpiece, each mounting ear is symmetrical about the axial plane of the workpiece, the adjusting assembly comprises at least two groups of one-to-one corresponding driving structures and adjusting blocks, the number of adjusting blocks is consistent with the number of mounting ears, each adjusting block corresponds one-to-one to each mounting ear, and the fixing device provided by the present invention improves the accuracy of workpiece fixing.

Description

Technical Field

[0001] The invention relates to the technical field of clamping machine tool parts, and in particular to a fixing device for processing a wind power bearing seat. Background Art

[0002] Wind turbine bearing seat is one of the important components of wind turbine generator set, mainly used to support and fix the main shaft bearing of wind turbine. Wind turbine bearing seat is usually manufactured by casting process. After casting, it needs to be precisely processed, including turning, drilling, boring, etc., to ensure dimensional accuracy and surface quality. In order to ensure the smooth progress of the processing process and improve the processing accuracy and processing efficiency, it is necessary to use fixing equipment to fix the bearing seat.

[0003] The patent document with authorization announcement number CN111002039B discloses a bearing seat processing tooling, including a base plate, a tooling insert, a guide mechanism, a clamping claw, a pad, a positioning step, an auxiliary positioning platform, a cylinder connecting rod and a cylinder. The base plate is provided with two mounting through holes, the tooling insert is arranged on the positioning step and fixed on the mounting through hole of the base plate, the guide mechanism is arranged on the outer wall of the tooling insert, and the bottom end of the guide mechanism is arranged on the base plate, the clamping claw is arranged at the top of the tooling insert, the pad is arranged at the bottom of the base plate, the positioning step is arranged in the mounting through hole of the base plate, the auxiliary positioning platform is arranged at the bottom end of the positioning step, the cylinder connecting rod is arranged inside the positioning step, and the bottom end of the cylinder connecting rod is connected to the cylinder, and the cylinder is arranged at the bottom of the base plate. The bearing seat processing tooling provided by the patent document can quickly clamp and position the product by utilizing the tooling guiding mechanism.

[0004] The size and weight of the wind turbine bearing seat are large. In actual operation, it is generally necessary to use lifting equipment to transport the workpiece to a position opposite to the processing tooling, and then slowly place the workpiece in the positioning position of the processing tooling. Due to the size and weight of the workpiece itself, it is generally difficult to place the workpiece in the accurate position at one time. In addition, since the workpiece is heavy, it is difficult to fine-tune the workpiece, which may cause the axial direction of the workpiece to deviate from the axial direction of the processing equipment, ultimately affecting the processing quality of the workpiece. Summary of the invention

[0005] The present invention provides a fixing device for processing a wind turbine bearing seat, aiming to solve the problem in the related art that the bearing seat is affected by its own volume and weight, and the fixing accuracy is relatively large and the efficiency is low relative to the processing tooling, which affects the processing quality of the workpiece.

[0006] A fixing device for processing a wind power bearing seat of the present invention comprises a base, a fixing seat and a rotating mechanism, a positioning block is installed on the base for lifting and lowering, the fixing seat is rotatably matched with the base, the rotating mechanism drives the fixing seat to rotate relative to the base, and a supporting member, a positioning assembly and an adjusting assembly are arranged on the fixing seat;

[0007] The positioning block is plugged into the supporting member, with the position of the positioning block for contacting the workpiece as its supporting point, and each supporting point on the positioning block is away from its axis from top to bottom;

[0008] The positioning assembly includes a positioning member and a driving member, wherein the driving member drives the positioning member to slide relative to the fixing seat, the positioning member is used to adapt the end surface opposite to the workpiece to the surface of the workpiece in an arc shape, and the positioning member is in active contact with the workpiece;

[0009] At least two mounting ears are provided on the workpiece, and each mounting ear is symmetrical about the axial plane of the workpiece. The adjustment component includes at least two groups of one-to-one corresponding driving structures and adjustment blocks. The number of the adjustment blocks is consistent with the number of the mounting ears. The driving structure drives the adjustment blocks to move in the horizontal direction, and each adjustment block corresponds to each mounting ear one-to-one and is movably abutted.

[0010] The beneficial effects are: improving the positioning accuracy between the workpiece and the fixing device, through the positioning block that is plugged into the supporting part, the axial positioning of the workpiece can be performed when the workpiece is lowered, and at the same time, the workpiece is abutted by the positioning component to ensure the stability of the workpiece placement, and the adjustment component is further in contact with the mounting ear to push the workpiece to rotate in the fixing seat until the workpiece is adjusted into place in the circumferential direction, so that the workpiece can be smoothly fixed to the fixing device through the mounting ear, and the positioning accuracy of the workpiece can be further guaranteed while the stability of the fixation of the workpiece and the fixing device can be further guaranteed. By accurately fixing the workpiece, the accuracy of subsequent processing of the workpiece can be effectively improved, and the processing quality of the workpiece can be guaranteed.

[0011] Preferably, the supporting member is rotatably matched with the fixing seat, and the supporting member is provided with a plug-in slot for the positioning block to pass through.

[0012] The beneficial effect is: it is easy for the workpiece to rotate smoothly. Since the workpiece is heavy as a whole, the supporting member and the fixed seat are provided with a rotationally matched connection mode, which can make the supporting member rotate synchronously with the workpiece, reducing the difficulty of the adjustment component to push the workpiece to rotate.

[0013] Preferably, a reset assembly is also provided on the fixed seat, and the reset assembly includes a driving source, a worm and a ring gear, the ring gear is located on the outer peripheral side of the supporting member and is coaxially arranged with the supporting member, the ring gear is rotatably matched with the fixed seat, the driving end of the driving source is connected to the worm, and the worm is meshed with the ring gear, an annular guide groove is provided on the fixed seat, and a toothed driving part is provided on the circumferential side of the supporting member, the driving part is connected to the guide groove through an elastic member, and the driving part meshes with the ring gear when the height is consistent.

[0014] Preferably, the fixing seat is further provided with a card slot, which is located on the upper side of the guide slot and is connected to the guide slot, and the supporting member is provided with a card block, which is located on the upper side of the driving part and is movably plugged into the card slot.

[0015] The beneficial effects are: it is easy to reset the supporting part smoothly. After the supporting part rotates with the workpiece, the connecting slot will be misaligned with the positioning block. The reset component is used to drive the supporting part to rotate. Cooperating with the setting of the clamping block and the clamping slot, it is convenient to limit the reset position of the supporting part and improve the accuracy of the reset of the supporting part.

[0016] Preferably, the rotating mechanism comprises a cylinder 1 and a movable part, the cylinder 1 is mounted on the base, one end of the movable part is hinged to the fixed seat, and the other end of the movable part is hinged to the protruding end of the cylinder 1.

[0017] The beneficial effects are: it is easy to adjust the workpiece to a horizontal state. If the workpiece is directly placed in a horizontal state, it is difficult to ensure the placement accuracy of the workpiece and it is difficult to adjust the position of the workpiece. After the workpiece is placed in a vertical state and adjusted into place, the rotating mechanism drives the fixed seat and the workpiece to rotate at the same time until the workpiece is in a horizontal state, reducing the difficulty of fixing the workpiece.

[0018] Preferably, there are at least two groups of positioning components, each group of positioning components is longitudinally spaced apart, and a plurality of movable blocks are rotatably provided on the arc surface end of the positioning member, and each movable block abuts against the workpiece.

[0019] Preferably, the driving structure includes a motor and a screw, the motor is mounted on the fixed seat, the driving end of the motor is connected to the screw, the screw is horizontally arranged, the adjustment block is threadedly matched with the screw, and the adjustment block slides against the inner wall of the fixed seat.

[0020] The beneficial effect is that the adjustment block is driven to move by the motor and the screw rod, which improves the convenience of the adjustment component in pushing the workpiece to rotate and improves the efficiency of adjusting the workpiece.

[0021] Preferably, two opposite end surfaces of the fixing seat are provided with sliding grooves, and both ends of the length of the positioning member are respectively slidably matched with the sliding grooves.

[0022] The beneficial effects of the present invention are:

[0023] (1) Improve the positioning accuracy between the workpiece and the fixing device. By means of the positioning block that is plugged into the supporting member, the workpiece can be positioned axially when the workpiece is lowered. At the same time, the workpiece is abutted by the positioning component to ensure the stability of the workpiece placement. The adjustment component further contacts the mounting ear to push the workpiece to rotate in the fixing seat until the workpiece is adjusted into place in the circumferential direction, so that the workpiece can be smoothly fixed to the fixing device through the mounting ear. While improving the positioning accuracy of the workpiece, the stability of the workpiece and the fixing device can be further ensured. By accurately fixing the workpiece, the accuracy of subsequent processing of the workpiece can be effectively improved, and the processing quality of the workpiece can be guaranteed.

[0024] (2) It is convenient for the workpiece to rotate smoothly and to quickly and accurately reset the supporting part after it rotates. Since the workpiece is heavy as a whole, a rotationally matched connection method is set between the supporting part and the fixed seat, which can make the supporting part rotate synchronously with the workpiece, thereby reducing the difficulty of the adjustment component to push the workpiece to rotate. After the supporting part rotates with the workpiece, the plug-in slot will be misaligned with the positioning block, and the reset component will drive the supporting part to rotate. The setting of the clamping block and the clamping slot makes it easy to limit the reset position of the supporting part, thereby improving the accuracy of the reset of the supporting part. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0026] Figure 2 It is a schematic diagram of the structure in which the workpiece is lowered into the fixing seat in the present invention.

[0027] Figure 3 It is a schematic diagram of the connection structure of the fixing seat, the supporting member and the resetting assembly in the present invention.

[0028] Figure 4 It is a structural schematic diagram of the connection between the supporting member and the fixing seat in the present invention.

[0029] Reference numerals:

[0030] 1. Base; 11. Fixed seat; 111. Slide groove; 112. Guide groove; 12. Cylinder 1; 13. Movable part; 14. Positioning block; 2. Positioning part; 21. Driving part; 3. Motor; 31. Screw rod; 32. Adjusting block; 4. Supporting part; 41. Plug-in groove; 42. Driving part; 43. Elastic part; 44. Ring gear; 45. Worm; 46. Driving source; 47. Block; 48. Slot; 5. Workpiece; 51. Mounting ear. DETAILED DESCRIPTION

[0031] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0032] like Figure 1 and Figure 2 As shown, the fixing device for processing a wind power bearing seat of the present invention comprises a base 1, a fixing seat 11 and a rotating mechanism. The fixing seat 11 can be rotatably installed on the base 1. The rotating mechanism is used to drive the fixing seat 11 to rotate. A positioning block 14 is provided on the base 1. A supporting member 4, a positioning assembly and an adjusting assembly are provided on the fixing seat 11. The positioning block 14 is plugged and matched with the supporting member 4. The workpiece 5 is transported to the inner side of the fixing seat 11 by a hoisting device. The positioning block 14 positions the lowering position of the workpiece 5 to ensure the fixing accuracy of the workpiece 5 in the axial direction. After the workpiece 5 is lowered, the positioning assembly abuts against the workpiece 5 to ensure that the workpiece 5 is placed inside the fixing seat 11. In order to ensure the stability of the workpiece 5, a mounting ear 51 is provided on the workpiece 5, and the mounting ear 51 is used to fix the workpiece 5 on other components of the wind turbine generator set. In the processing operation after the casting of the workpiece 5 is completed, the mounting ear 51 is also used to connect with the fixing equipment to improve the overall stability of the workpiece 5 during the processing, thereby ensuring the processing quality of the workpiece 5. The accuracy of the position of the mounting ear 51 cannot be guaranteed when the workpiece 5 is lowered. After completing the axial positioning of the workpiece 5, the position of the mounting ear 51 on the workpiece 5 needs to be adjusted. The adjustment component is used to drive the workpiece 5 to rotate until the position of the mounting ear 51 on the workpiece 5 is adjusted to the right position, so that the workpiece 5 can be smoothly fixed to the fixing equipment through the mounting ear 51.

[0033] The fixed seat 11 includes a bottom plate 1 and a bottom plate 2, the bottom plate 1 and the bottom plate 2 are vertically arranged, and the connection between the bottom plate 1 and the bottom plate 2 is hinged to the base 1. The fixed seat 11 also includes two side plates, the two side plates are relatively parallel and arranged, and the two side plates are simultaneously connected to the bottom plate 1 and the bottom plate 2. The bottom plate 1, the bottom plate 2 and the two side plates are surrounded to form a space for accommodating the workpiece 5. The adjustment component and the supporting member 4 are connected to the bottom plate 2, and the rotating mechanism is connected to the bottom plate 1. The rotating mechanism includes a cylinder 12 and a movable part 13. The cylinder 12 is installed on the base 1, and the protruding end of the cylinder 12 is hinged to one end of the movable part 13. The other end of the movable part 13 is hinged to the bottom plate 1. In the initial state, the bottom plate 2 is in contact with the upper end surface of the base 1. After the workpiece 5 is placed in the fixed seat 11 and fixed, the cylinder 12 pulls the bottom plate 1 to rotate through the movable part 13 until the bottom plate 1 is in contact with the upper end surface of the base 1. The rotating mechanism drives the fixed seat 11 to rotate 90°. After the workpiece 5 is fixed, the workpiece 5 is turned over to facilitate the processing of the workpiece 5 by the processing equipment. After the workpiece 5 is processed, the cylinder 12 pushes the fixed seat 11 to reset, and then the processed workpiece 5 is unloaded and a new workpiece 5 to be processed is placed.

[0034] The position on the positioning block 14 used to contact the workpiece 5 is used as its support point. The support points on the positioning block 14 are away from its axis from top to bottom. Since circular openings are formed on the upper and lower ends of the workpiece 5, when the workpiece 5 is lowered, the opening at the lower end of the workpiece 5 contacts the positioning block 14, and the positioning block 14 supports the workpiece 5. The positioning block 14 cooperates with the base 1 in lifting and lowering. Specifically, the positioning block 14 can be connected to the base 1 through a cylinder, and the cylinder pushes the positioning block 14 to move downward until the lower end of the workpiece 5 gradually contacts the upper end surface of the supporting member 4. The positioning block 14 set by the lifting arrangement can position the axial direction of the workpiece 5 during the lowering process of the workpiece 5 so that the axial direction of the workpiece 5 is consistent with the axial direction of the positioning block 14.

[0035] like Figure 2 As shown, the positioning assembly includes a positioning member 2 and a driving member 21. The driving member 21 can be a cylinder. The driving member 21 drives the positioning member 2 to move in the horizontal direction. The positioning member 2 is in active contact with the workpiece 5 at the end face facing the workpiece 5. The end face of the positioning member 2 opposite to the workpiece 5 is adapted to the surface of the workpiece 5 in the shape of an arc. There are at least two positioning members 2, and a plurality of movable blocks are provided on the arc surface of the positioning member 2 for rotation. Each movable block is in rolling contact with the workpiece 5. The movable block can be a cylinder or a sphere, and the arc surface of the movable block is in contact with the workpiece 5. By providing the movable block, the friction between the workpiece 5 and the positioning member 2 can be reduced when the workpiece 5 rotates, so that the adjustment assembly can adjust the workpiece 5. The fixing device provided in this embodiment is provided with three groups of positioning members, each positioning member is arranged at intervals in the longitudinal direction, and a slide groove 111 is provided on the opposite end faces of the two side plates of the fixing seat 11. The two ends of the positioning member 2 extend into the slide groove 111 on the two side plates respectively, and the positioning plate slides along the slide groove 111.

[0036] The adjustment component includes at least two groups of one-to-one corresponding drive structures and adjustment blocks 32. The number of adjustment blocks 32 is consistent with the number of mounting ears 51. The drive structure drives the adjustment block 32 to reciprocate in the horizontal direction. Each adjustment block 32 corresponds to each mounting ear 51 one by one and is movably abutted. The drive structure includes a motor 3 and a screw rod 31. The motor 3 is installed on the fixed seat 11. The driving end of the motor 3 is connected to the screw rod 31. The screw rod 31 is horizontally arranged. The adjustment block 32 is threadedly matched with the screw rod 31. The adjustment block 32 slides against the inner wall of the fixed seat 11. The drive structures work synchronously. First, the adjustment block 32 that contacts the mounting ears 51 on the workpiece 5 pushes the workpiece 5 to rotate. When each adjustment block 32 abuts against each mounting ear 51 respectively, the adjustment block 32 no longer pushes the workpiece 5 to rotate, and the position of the workpiece 5 is adjusted to the right position.

[0037] like Figures 2 to 4As shown, since the workpiece 5 is heavier as a whole, in order to ensure that the adjusting component can smoothly push the workpiece 5 to rotate, the supporting member 4 and the fixed seat 11 rotate in coordination, that is, when the adjusting component pushes the workpiece 5 to rotate through the mounting ear 51, the supporting member 4 rotates with the workpiece 5, and the supporting member 4 is provided with a plug-in groove 41 for the positioning block 14 to pass through. When the workpiece 5 is lowered onto the supporting member 4, the positioning block 14 moves downward and disengages from the supporting member 4, and then the supporting member 4 rotates with the workpiece 5. When the supporting member 4 rotates, the plug-in groove 41 on the supporting member 4 and the positioning block 14 will be misaligned. In order to facilitate the plug-in groove 41 on the supporting member 4 to be aligned with the positioning block 14 again after the workpiece 5 is processed, a reset component is also provided on the fixed seat 11.

[0038] The fixing seat 11 is provided with an annular guide groove 112, and the supporting member 4 is rotatably matched with the guide groove 112. The reset assembly includes a driving source 46, a worm 45 and a gear ring 44. The gear ring 44 is located on the outer peripheral side of the supporting member 4 and is coaxially arranged with the supporting member 4. The inner ring and the outer ring of the gear ring 44 are both toothed. The gear ring 44 is rotatably matched with the fixing seat 11. The driving end of the driving source 46 is connected to the worm 45, and the worm 45 is meshed with the outer ring of the gear ring 44. A toothed driving portion 42 is provided on the circumferential ring, and the driving portion 42 is connected to the guide groove 112 through an elastic member 43. When the height of the driving portion 42 is consistent with that of the gear ring 44, the driving portion 42 meshes with the inner ring of the gear ring 44. A clamping groove 48 is also provided on the fixed seat 11, and the clamping groove 48 is located on the upper side of the guide groove 112 and is connected to the guide groove 112. A clamping block 47 is provided on the supporting member 4, and the clamping block 47 is located on the upper side of the driving portion 42. The clamping block 47 is movably plugged into the clamping groove 48.

[0039] After the workpiece 5 is placed on the supporting member 4, the supporting member 4 moves downward under the action of the gravity of the workpiece 5 until the driving part 42 on the supporting member 4 separates from the gear ring 44, and the supporting member 4 can rotate with the workpiece 5. After the workpiece 5 is processed and taken out, the supporting member 4 moves upward under the elastic force of the elastic member 43 and re-engages with the gear ring 44. When the driving source 46 drives the gear ring 44 to rotate through the worm 45, it also drives the supporting member 4 to rotate until the block 47 is opposite to the slot 48. Under the elastic force of the elastic member 43, the supporting member 4 moves upward until the block 47 extends into the slot 48, and the supporting member 4 is reset. A new workpiece 5 to be processed is placed on the supporting member 4. Under the action of the gravity of the workpiece 5, the supporting member 4 moves downward, the block 47 is disengaged from the slot 48, the driving part 42 is disengaged from the gear ring 44, and the supporting member 4 can rotate relative to the guide groove 112 again.

[0040] The fixing device for processing a wind power bearing seat provided by the present invention is convenient for improving the positioning accuracy of the bearing seat when the bearing seat is fixed, thereby ensuring the accuracy of subsequent processing of the workpiece and improving the processing quality of the workpiece.

[0041] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0042] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0043] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A fixing device for processing a wind turbine bearing seat, comprising a base, characterized in that: It also includes a fixed seat and a rotating mechanism, the fixed seat includes a vertically arranged bottom plate 1 and bottom plate 2 and two side plates connected to the bottom plate 1 and bottom plate 2 at the same time, the connection between the bottom plate 1 and bottom plate 2 is hinged to the base; the rotating mechanism includes a cylinder 1 and a movable part, the cylinder 1 is installed on the base, one end of the movable part is hinged to the bottom plate 1, and the other end of the movable part is hinged to the extended end of the cylinder 1; a positioning block is installed on the base, the fixed seat is rotated in coordination with the base, the rotating mechanism is used to drive the fixed seat to rotate around the connection between the bottom plate 1 and bottom plate 2, and a supporting part, a positioning component and an adjusting component are provided on the fixed seat; The positioning block is plugged into the supporting member, with the position where the positioning block contacts the workpiece as its supporting point, and each supporting point on the positioning block is away from its axis from top to bottom; The positioning assembly includes a positioning member and a driving member, the driving member drives the positioning member to slide relative to the bottom plate, the end surface of the positioning member opposite to the workpiece is adapted to the surface of the workpiece to be in an arc shape, and the positioning member is in active contact with the workpiece; At least two mounting ears are provided on the workpiece, and each mounting ear is symmetrical about the axial plane of the workpiece. The adjustment assembly includes at least two sets of one-to-one corresponding driving structures and adjustment blocks. The number of the adjustment blocks is consistent with the number of the mounting ears. The driving structure drives the adjustment blocks to move in the horizontal direction. Each adjustment block corresponds to each mounting ear one-to-one and is movably abutted. The supporting member is rotatably matched with the second bottom plate, and a plug-in slot for the positioning block to pass through is provided on the supporting member; A reset assembly is also provided on the second bottom plate, and the reset assembly includes a driving source, a worm and a gear ring. The gear ring is located on the outer peripheral side of the supporting member and is coaxially arranged with the supporting member. The gear ring is rotatably matched with the second bottom plate. The driving end of the driving source is connected to the worm, and the worm meshes with the gear ring. An annular guide groove is provided on the second bottom plate, and a toothed driving part is provided on the peripheral side of the supporting member. The driving part is connected to the guide groove through an elastic member, and the driving part meshes with the gear ring when the height is consistent. The bottom plate 2 is also provided with a card slot, which is located on the upper side of the guide slot and is connected with the guide slot. The supporting member is provided with a card block, which is located on the upper side of the driving part and is movably plugged with the card slot.

2. The fixing device for processing a wind turbine bearing seat according to claim 1 is characterized in that: There are at least two groups of positioning components, each group of positioning components is arranged at intervals in the longitudinal direction, and a plurality of movable blocks are rotatably arranged at the arc surface end of the positioning member, and each movable block abuts against the workpiece.

3. The fixing device for processing a wind turbine bearing seat according to claim 1 is characterized in that: The driving structure includes a motor and a screw rod. The motor is installed on a fixed seat. The driving end of the motor is connected to the screw rod. The screw rod is arranged horizontally. The adjustment block cooperates with the screw rod thread. The adjustment block slides against the inner wall of the fixed seat.

4. The fixing device for processing a wind turbine bearing seat according to claim 1, characterized in that: Two opposite end surfaces of the fixing seat are provided with sliding grooves, and the two ends of the length of the positioning piece are respectively slidably matched with the sliding grooves.

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