Maintenance device for high-speed shaft bearing of wind power gear box

Abstract

The utility model relates to the technical field of wind power gear boxes, in particular to a wind power gear box high-speed shaft bearing maintenance device, which is characterized in that a sleeve is sleeved on a high-speed shaft, a plurality of adjusting grooves are concavely arranged on the outer wall of one end of the sleeve, the plurality of adjusting grooves are distributed at intervals along the circumferential direction of the sleeve, and a plurality of adjusting assemblies are arranged in one-to-one correspondence with the plurality of adjusting grooves. The adjusting gaskets are arranged in a layer-by-layer overlapping mode and arranged between the bottom wall of the adjusting groove and the pressing connection block, the connecting assemblies and the adjusting assemblies are arranged in a one-to-one correspondence mode, and the connecting assemblies penetrate through the adjusting assemblies and are connected with the bottom wall of the adjusting groove so that the pressing connection block can press and fix the self-locking nut. The number of overlapped layers of the adjusting gaskets can be correspondingly changed according to the shaft diameter sizes of different high-speed shafts, so that the crimping block adaptively realizes crimping and fixing of the self-locking nut on the high-speed shaft, the high-speed shaft is screwed through the fixing piece to disassemble the self-locking nut, and the convenience and universality of maintenance of the high-speed shaft bearing of the wind power gear box can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wind power gear box technical field especially relates to a kind of wind power gear box high-speed shaft bearing maintenance device. BACKGROUND

[0002] Wind power gear box is important speed increasing transmission component in wind turbine generator unit, its main function is to transmit the power generated by wind wheel under the action of wind to generator and make it get corresponding rotating speed, so as to convert wind energy into electric energy, and with the working life of wind turbine generator unit approaching design life, high-speed shaft motor side bearing needs to be maintained on tower, in the existing wind turbine generator unit, self-locking nut, bearing and high-speed shaft are integrally assembled and installed in the wind power gear box at the top of high-altitude tower, the inner ring of bearing is fixedly sleeved on high-speed shaft, self-locking nut is sleeved on high-speed shaft and abuts on the inner ring of bearing in axial direction, so as to facilitate subsequent bearing maintenance, special maintenance tool is needed to be introduced to sleeve high-speed shaft, and one end of special maintenance tool is pressed tightly to fix self-locking nut in circumferential direction, and the other end is screwed high-speed shaft by external tool, and self-locking nut is removed.

[0003] However, the existing special maintenance tool usually adopts fixed structure, which can only be used for maintenance operation of high-speed shaft with single fixed size of shaft length and journal, has limitations to some extent, has poor universality, and greatly reduces subsequent maintenance efficiency.

[0004] Therefore, a wind power gear box high-speed shaft bearing maintenance device is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of wind power gear box high-speed shaft bearing maintenance device, can effectively improve the convenience and universality of wind power gear box high-speed shaft bearing maintenance.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a kind of wind power gear box high-speed shaft bearing maintenance device, the wind power gear box includes high-speed shaft, bearing and self-locking nut, the inner ring of bearing is fixedly sleeved on the high-speed shaft, the self-locking nut is threadedly connected to the high-speed shaft and is in abutment with the inner ring of bearing in axial direction, and the wind power gear box high-speed shaft bearing maintenance device includes:

[0008] Sleeve, the sleeve is sleeved on the high-speed shaft, and the outer wall of one end of the sleeve is recessed with a plurality of adjusting grooves, a plurality of adjusting grooves are distributed at the circumference of the sleeve, and each adjusting groove extends along the axial direction of the sleeve;

[0009] A plurality of adjusting assemblies are arranged one-to-one with the adjusting grooves and are arranged in the adjusting grooves, and the adjusting assembly comprises a crimping block and a plurality of adjusting washers, the adjusting washers are arranged layer by layer, and the adjusting washers are arranged between the bottom wall of the adjusting groove and the crimping block;

[0010] A plurality of connecting assemblies are arranged one-to-one with the adjusting assemblies, the connecting assemblies pass through the adjusting assemblies and are connected with the bottom wall of the adjusting groove, so that the crimping block is crimped and fixed with the self-locking nut;

[0011] A fixing member is arranged at the other end of the sleeve, and the fixing member is used for fixing the shaft end of the high-speed shaft and cooperating with an external disassembly tool.

[0012] As a preferred technical solution of the above-mentioned wind turbine gearbox high-speed shaft bearing maintenance device, the connecting assembly comprises a plurality of adjusting screws and a plurality of adjusting nuts, the adjusting screws and the adjusting nuts are arranged one-to-one, the adjusting screws pass through the crimping block and the adjusting washers in turn and are connected with the bottom wall of the adjusting groove, the adjusting nuts are threadedly connected with the adjusting screws, and the adjusting nuts are crimped on the crimping block.

[0013] As a preferred technical solution of the above-mentioned wind turbine gearbox high-speed shaft bearing maintenance device, the sleeve comprises a plurality of sleeves, the sleeves are sequentially sleeved, and any two adjacent sleeves are threadedly connected.

[0014] As a preferred technical solution of the above-mentioned wind turbine gearbox high-speed shaft bearing maintenance device, the self-locking nut is recessed with a plurality of limiting grooves along the outer wall in the circumferential direction, the limiting grooves and the crimping blocks are arranged one-to-one, and the crimping blocks are clamped in the limiting grooves.

[0015] As a preferred technical solution of the above-mentioned wind turbine gearbox high-speed shaft bearing maintenance device, the adjusting grooves are arranged at intervals and uniformly around the circumference of the sleeve.

[0016] As a preferred technical solution of the above-mentioned wind turbine gearbox high-speed shaft bearing maintenance device, a plurality of prisms are protruded on the fixing member, and the prisms are used for cooperating with the external disassembly tool.

[0017] As a preferred technical solution of the above-mentioned wind turbine gearbox high-speed shaft bearing maintenance device, the prisms are hexagonal prisms, and the external disassembly tool is an external hexagonal wrench.

[0018] As a preferred technical solution of the above-mentioned wind turbine gearbox high-speed shaft bearing maintenance device, an adjusting opening is recessed on the fixing member, and the adjusting opening is used for cooperating with the external disassembly tool.

[0019] As a kind of preferred technical scheme of the above-mentioned wind power gear box high-speed shaft bearing maintenance device, the adjusting port is hexagonal hole or threaded hole, and the external dismounting tool is internal hexagonal wrench or screw rod.

[0020] As a kind of preferred technical scheme of the above-mentioned wind power gear box high-speed shaft bearing maintenance device, the wind power gear box high-speed shaft bearing maintenance device further comprises a handle, which is fixedly connected to the outer side wall of the sleeve.

[0021] The wind power gear box high-speed shaft bearing maintenance device has the advantages that:

[0022] The utility model provides a kind of wind power gear box high-speed shaft bearing maintenance device, wherein, wind power gear box includes high-speed shaft, bearing and self-locking nut, the inner ring of bearing is fixedly sleeved in high-speed shaft, self-locking nut is threadedly connected in high-speed shaft and abuts on the inner ring of bearing along axial direction, wind power gear box high-speed shaft bearing maintenance device includes: sleeve, several adjusting components, several connecting components and fixing piece, sleeve is sleeved in high-speed shaft, and the outer wall of one end of sleeve is recessed with several adjusting grooves, several adjusting grooves are spaced distribution around the circumference of sleeve, each adjusting groove extends along the axis of sleeve, several adjusting components are set one by one with several adjusting grooves, and adjusting component is placed in adjusting groove, adjusting component includes press block and several adjusting washers, several adjusting washers are arranged layer by layer, and several adjusting washers are placed between the bottom wall of adjusting groove and press block, several connecting components are set one by one with several adjusting components, connecting component is arranged adjusting component and is connected with the bottom wall of adjusting groove, to make press block press and fix self-locking nut, fixing piece is arranged at the other end of sleeve, and fixing piece is used to fix the shaft end of high-speed shaft and cooperate with external dismounting tool.Such setting, according to the axial diameter size of different high-speed shaft, the number of layers of adjusting washer is changed correspondingly, so that press block adaptively realizes the press and fixing of self-locking nut on high-speed shaft, and finally self-locking nut is disassembled by fixing piece screwing high-speed shaft, so as to facilitate subsequent bearing maintenance, which can effectively improve the convenience and universality of wind power gear box high-speed shaft bearing maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The wind power gear box high-speed shaft bearing maintenance device provided by the utility model is shown in structure Figure 1 ;

[0024] Figure 2 The wind power gear box high-speed shaft bearing maintenance device provided by the utility model is shown in structure Figure 2 ;

[0025] Figure 3 The wind power gear box high-speed shaft bearing maintenance device provided by the utility model is shown in structure

[0026] Among them:

[0027] 100, high speed shaft; 200, bearing; 300, self-locking nut;

[0028] 1, sleeve; 2, crimping block; 3, adjusting washer; 4, fixing piece; 5, adjusting screw; 6, adjusting nut; 7, polygon; 8, handle. DETAILED DESCRIPTION

[0029] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0030] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0031] Unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" should be understood broadly, for example, it can be fixed connection, or detachable connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] Unless otherwise explicitly specified and limited, "on" or "under" of the first feature to the second feature can include that the first feature and the second feature are in direct contact, or that the first feature and the second feature are not in direct contact but are in contact through another feature between them. Moreover, "on", "above" and "above" of the first feature to the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. "Below", "below" and "below" of the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0033] The technical scheme of the utility model is further illustrated below in combination with the drawings and through specific embodiments.

[0034] As Figures 1 to 3 shown, the embodiment provides a wind power gear box high-speed shaft bearing maintenance device, wherein the wind power gear box comprises a high-speed shaft 100, a bearing 200 and a self-locking nut 300, the inner ring of the bearing 200 is fixedly sleeved on the high-speed shaft 100, the self-locking nut 300 is threadedly connected to the high-speed shaft 100 and abuts against the inner ring of the bearing 200 in the axial direction, and the wind power gear box high-speed shaft bearing maintenance device comprises a sleeve 1, a plurality of adjusting assemblies, a plurality of connecting assemblies and a fixing piece 4, the sleeve 1 is sleeved on the high-speed shaft 100, and the outer wall of one end of the sleeve 1 is recessed with a plurality of adjusting grooves, the plurality of adjusting grooves are spaced and uniformly distributed along the circumferential direction of the sleeve 1, each adjusting groove extends along the axial direction of the sleeve 1, the plurality of adjusting assemblies are arranged in one-to-one correspondence with the plurality of adjusting grooves, and the adjusting assemblies are arranged in the adjusting grooves, the adjusting assembly comprises a press-fit block 2 and a plurality of adjusting shims 3, the plurality of adjusting shims 3 are arranged in layers, and the plurality of adjusting shims 3 are arranged between the bottom wall of the adjusting groove and the press-fit block 2, the plurality of connecting assemblies are arranged in one-to-one correspondence with the plurality of adjusting assemblies, the connecting assemblies are arranged through the adjusting assemblies and connected to the bottom wall of the adjusting groove, so that the press-fit block 2 press-fits and fixes the self-locking nut 300, and the fixing piece 4 is arranged at the other end of the sleeve 1 and used for fixing the shaft end of the high-speed shaft 100 and cooperating with an external dismounting tool. In this way, the number of layers of the adjusting shims 3 can be correspondingly changed according to the shaft diameter of different high-speed shafts 100, so that the press-fit block 2 adaptively realizes press-fit fixing of the self-locking nut 300 on the high-speed shaft 100, and finally the self-locking nut 300 is dismounted by screwing the high-speed shaft 100 through the fixing piece 4, so as to facilitate subsequent maintenance of the bearing 200, which can effectively improve the convenience and universality of maintenance of the high-speed shaft 100 bearing 200 of the wind power gear box.

[0035] In the embodiment, the number of adjusting grooves is six. Of course, in other embodiments, the number of adjusting grooves can also be set according to actual needs, which is not limited herein.

[0036] Optionally, in order to facilitate dismounting adjustment of the number of layers of the adjusting shims 3, the connecting assembly comprises a plurality of adjusting screws 5 and a plurality of adjusting nuts 6, the plurality of adjusting screws 5 and the plurality of adjusting nuts 6 are arranged in one-to-one correspondence, the adjusting screws 5 are sequentially arranged through the press-fit block 2 and the plurality of adjusting shims 3 and connected to the bottom wall of the adjusting groove, the adjusting nuts 6 are threadedly connected to the adjusting screws 5, and the adjusting nuts 6 are press-fitted on the press-fit block 2.

[0037] Optionally, in order to adapt to high-speed shafts 100 of different lengths, the sleeve 1 comprises a plurality of sleeve pipes, the plurality of sleeve pipes are sequentially sleeved, and any two adjacent sleeve pipes are threadedly connected.

[0038] Optionally, the self-locking nut 300 is recessed with a plurality of limiting grooves along the outer wall in the self circumference, the plurality of limiting grooves are arranged one by one corresponding to the plurality of pressing blocks 2, and the pressing blocks 2 are clamped in the limiting grooves. By such arrangement, the stability of the plurality of pressing blocks 2 for the fixed pressing of the self-locking nut 300 can be further improved, so as to avoid the self-locking nut 300 from moving when the high-speed shaft 100 is screwed.

[0039] In the embodiment, in order to facilitate the screwing of the high-speed shaft 100, the fixing member 4 is protruded with a polygonal prism 7 for cooperating with an external disassembling tool. Further, the polygonal prism 7 is a hexagonal prism, and the external disassembling tool is an external hexagonal wrench.

[0040] As one of the alternative solutions, the fixing member 4 is recessed with an adjusting opening for cooperating with an external disassembling tool, and further, the adjusting opening is a hexagonal hole or a threaded hole, and the external disassembling tool is an internal hexagonal wrench or a screw rod.

[0041] Optionally, in order to facilitate the human to take and carry the device, the wind power gear box high-speed shaft bearing maintenance device further comprises a handle 8 fixedly connected to the outer side wall of the sleeve 1.

[0042] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For the ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the implementation modes are not required or can not be exhausted. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A maintenance device for a high-speed shaft bearing of a wind turbine gearbox, the wind turbine gearbox comprising a high-speed shaft (100), a bearing (200), and a self-locking nut (300), wherein the inner ring of the bearing (200) is fixedly sleeved on the high-speed shaft (100), and the self-locking nut (300) is threadedly connected to the high-speed shaft (100) and abuts against the inner ring of the bearing (200) axially, characterized in that, The wind turbine gearbox high-speed shaft bearing repair device includes: Sleeve (1), sleeve (1) is sleeved on the high-speed shaft (100), and a plurality of adjustment grooves are recessed on the outer wall of one end of the sleeve (1). The plurality of adjustment grooves are distributed circumferentially around the sleeve (1), and each adjustment groove extends along the axial direction of the sleeve (1). A plurality of adjustment components are provided, and the plurality of adjustment components are provided in a corresponding manner with the plurality of adjustment slots. The adjustment components are placed in the adjustment slots. The adjustment components include a pressing block (2) and a plurality of adjustment pads (3). The plurality of adjustment pads (3) are stacked layer by layer and are placed between the bottom wall of the adjustment slot and the pressing block (2). A plurality of connecting components are provided, and the plurality of connecting components are provided in a one-to-one correspondence with the plurality of adjusting components. The connecting components pass through the adjusting components and are connected to the bottom wall of the adjusting groove so that the pressing block (2) presses and fixes the self-locking nut (300). The fastener (4) is located at the other end of the sleeve (1) and is used to fix the shaft end of the high-speed shaft and cooperate with external disassembly and assembly tools.

2. The wind turbine gearbox high-speed shaft bearing repair device according to claim 1, characterized in that, The connecting assembly includes several adjusting screws (5) and several adjusting nuts (6). The several adjusting screws (5) and several adjusting nuts (6) are arranged in a one-to-one correspondence. The adjusting screws (5) pass through the pressing block (2) and several adjusting shims (3) in sequence and are connected to the bottom wall of the adjusting groove. The adjusting nuts (6) are threaded to the adjusting screws (5) and are pressed onto the pressing block (2).

3. The wind turbine gearbox high-speed shaft bearing repair device according to claim 1, characterized in that, The sleeve (1) includes several sleeves, which are sequentially connected and threaded together between any two adjacent sleeves.

4. The wind turbine gearbox high-speed shaft bearing repair device according to claim 1, characterized in that, The self-locking nut (300) has a plurality of limiting grooves recessed on its outer wall along its circumference. The plurality of limiting grooves are provided in correspondence with the plurality of pressing blocks (2), and the pressing blocks (2) are engaged in the limiting grooves.

5. The wind turbine gearbox high-speed shaft bearing repair device according to claim 1, characterized in that, The adjustment grooves are spaced apart and evenly arranged around the sleeve (1) in a circumferential manner.

6. The wind turbine gearbox high-speed shaft bearing repair device according to claim 1, characterized in that, The fastener (4) has a protruding polygonal prism (7) which is used to cooperate with the external disassembly and assembly tool.

7. The wind turbine gearbox high-speed shaft bearing repair device according to claim 6, characterized in that, The polygonal prism (7) is a hexagonal prism, and the external disassembly tool is an external hexagonal wrench.

8. The wind turbine gearbox high-speed shaft bearing repair device according to claim 1, characterized in that, The fastener (4) has an adjustment port recessed on it, which is used to cooperate with the external disassembly and assembly tool.

9. The wind turbine gearbox high-speed shaft bearing repair device according to claim 8, characterized in that, The adjustment port is a hexagonal hole or a threaded hole, and the external disassembly tool is an internal hex wrench or a screw.

10. The wind turbine gearbox high-speed shaft bearing repair device according to claim 1, characterized in that, The wind turbine gearbox high-speed shaft bearing maintenance device also includes a handle (8), which is fixedly connected to the outer wall of the sleeve (1).

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