Ring running prevention device for bearing of fan gear box

Abstract

The utility model belongs to the field of gear boxes, and particularly relates to a fan gear box bearing anti-ring-running device which comprises a fan gear box, a positioning ring and a positioning mechanism. The fan gear box is rotatably connected with a rotating shaft, the rotating shaft is sleeved with a bearing, one end of the rotating shaft is provided with a positioning mechanism, the positioning mechanism is connected with the bearing, the fan gear box is provided with a mounting groove, a positioning ring is fixedly mounted in the mounting groove, and the positioning ring is connected with the bearing; and the positioning mechanism comprises a connecting disc, a liquid storage tank, second clamping blocks, second springs, pistons and threaded rods, the connecting disc is fixedly installed at one end of the rotating shaft, and the multiple second clamping blocks are slidably connected to the connecting disc. According to the utility model, the effect of preventing the bearing from running with the rotating shaft and the fan gear box can be achieved through the matching of all the parts, the subsequent disassembly and maintenance of the rotating shaft can be facilitated, and the practicability of the structure is enhanced.

Description

Technical Field

[0001] This utility model relates to the field of gearbox technology, and in particular to a device for preventing bearing slippage in a fan gearbox. Background Technology

[0002] The gearbox is an important mechanical component in the transmission unit of a wind turbine. Its main function is to transmit the driving force of the motor to the impeller and make it achieve the corresponding speed. This can only be achieved through the speed-increasing effect of the gearbox. Therefore, the gearbox is also called a speed-increasing box.

[0003] During the installation of the internal structure of the wind turbine gearbox, bearing installation is often required. After prolonged use, the commonly used bearings may experience insufficient interference fit between the shaft and the inner ring of the bearing, which can easily lead to bearing misalignment and affect the use of the equipment.

[0004] Therefore, we propose a device to prevent the bearing of a wind turbine gearbox from slipping, in order to solve the problems in the background art. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a device to prevent the bearing of a wind turbine gearbox from slipping.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A device for preventing the bearing of a wind turbine gearbox from slipping includes a wind turbine gearbox, a positioning ring, and a positioning mechanism;

[0008] A rotating shaft is rotatably connected to the fan gearbox, a bearing is sleeved on the rotating shaft, a positioning mechanism is provided at one end of the rotating shaft, the positioning mechanism is connected to the bearing, an installation groove is provided on the fan gearbox, a positioning ring is fixedly installed in the installation groove, and the positioning ring is connected to the bearing;

[0009] The positioning mechanism includes a connecting plate, a liquid storage tank, a second locking block, a second spring, a piston, and a threaded rod. The connecting plate is fixedly installed at one end of the rotating shaft, and multiple second locking blocks are slidably connected to the connecting plate. One end of each second locking block engages with the inner wall of the bearing. Through the cooperative design between the fan gearbox, the rotating shaft, the bearing, the positioning ring, and the positioning mechanism, the bearing can be prevented from running around the rotating shaft and the fan gearbox. It also facilitates the subsequent disassembly and maintenance of the rotating shaft, enhancing the practicality of the structure.

[0010] Specifically, the connecting plate has multiple sliding grooves, and multiple locking blocks slide within the sliding grooves. Springs are fixedly installed within each sliding groove, and one end of each spring is fixedly connected to each locking block. Through the interaction between the locking blocks and the grooves, the inner wall of the bearing is positioned.

[0011] Specifically, the connecting plate has a liquid storage tank and multiple connecting grooves, each with two ends connected to a sliding groove, and the other end of each connecting groove connected to the liquid storage tank. Hydraulic oil is contained in both the liquid storage tank and the sliding grooves. During the piston compression process, the connecting grooves facilitate the delivery of hydraulic oil to the sliding grooves.

[0012] Specifically, a piston is movably connected inside the storage tank, and a threaded rod is rotatably connected to one side of the piston. The threaded rod is threadedly connected to the connecting plate, and a rotating plate is fixedly connected to one end of the threaded rod. By rotating the threaded rod, the threaded rod and the connecting plate undergo threaded transmission, thereby causing the threaded rod to drive the piston to slide and squeeze hydraulic oil inside the storage tank.

[0013] Specifically, the inner wall of the bearing is provided with multiple slots, and multiple locking blocks are respectively connected to the multiple slots. Three fixing bolts are threaded on the connecting plate, and one end of each of the three fixing bolts is threaded to the rotating shaft. The connecting plate is fixedly installed on the rotating shaft by the action of the three fixing bolts, and the multiple locking blocks are respectively engaged with the multiple slots on the inner wall of the bearing.

[0014] Specifically, the positioning ring has multiple sliding grooves, each of which is slidably connected to a locking block. Each locking block engages with the outer wall of the bearing. Each locking block is fixedly connected to a spring, and one end of each spring is fixedly connected to the positioning ring. Through the interaction between the locking blocks and the grooves, the outer wall of the bearing is positioned.

[0015] Specifically, the positioning ring has an annular cavity containing hydraulic oil. The positioning ring also has multiple connecting grooves, one end of which is connected to multiple sliding grooves, and the other end of each groove is connected to the annular cavity. The outer wall of the bearing has multiple retaining grooves, and multiple retaining blocks are connected to each other. The multiple connecting grooves facilitate the delivery of hydraulic oil to the multiple sliding grooves.

[0016] Specifically, a circular tube is sealed to the positioning ring, one end of which extends into the annular cavity. A valve is provided on the circular tube to connect one end of the hydraulic pump to the circular tube, and hydraulic oil is delivered into the annular cavity through the action of the circular tube, which facilitates the delivery of hydraulic oil into the annular cavity.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0018] (1) The wind turbine gearbox bearing anti-running device of the present invention can achieve the effect of preventing the bearing from running between the bearings through the cooperation design of the positioning mechanism, the rotating shaft and the bearing.

[0019] (2) The present invention provides a fan gearbox bearing anti-running device, which, through the cooperative design between the fan gearbox, bearing, positioning ring and multiple locking blocks, can achieve the effect of preventing the bearing from running between the fan gearbox and the fan gearbox. Attached Figure Description

[0020] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary. The structures, proportions, sizes, etc., shown in this specification are only used to complement the content disclosed in the specification for those skilled in the art to understand and read, and are not intended to limit the conditions under which this utility model can be implemented. Therefore, they have no substantial technical significance, and any modification of the structure, change of the proportional relationship, or adjustment of the size is not permitted.

[0021] Figure 1 This is a three-dimensional structural diagram of a fan gearbox bearing anti-running device proposed in this utility model;

[0022] Figure 2 This is a schematic diagram of an anti-running device for a fan gearbox bearing proposed in this utility model;

[0023] Figure 3 for Figure 2 Enlarged structural diagram at point A;

[0024] Figure 4 for Figure 3 Enlarged structural diagram at point B;

[0025] Figure 5 for Figure 3 Enlarged structural diagram at point C;

[0026] Figure 6 This is an exploded schematic diagram of a fan gearbox bearing anti-running device proposed in this utility model.

[0027] In the diagram: 1. Fan gearbox; 2. Shaft; 3. Bearing; 4. Positioning ring; 5. Positioning mechanism; 6. Locking block one; 7. Spring one; 8. Annular cavity; 9. Round tube; 10. Fixing bolt; 51. Connecting plate; 52. Locking block two; 53. Spring two; 54. Liquid storage tank; 55. Piston; 56. Threaded rod. Detailed Implementation

[0028] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0029] Reference Figure 1-6 A fan gearbox bearing anti-running device includes a fan gearbox 1, a positioning ring 4, and a positioning mechanism 5;

[0030] A rotating shaft 2 is rotatably connected to the fan gearbox 1. A bearing 3 is sleeved on the rotating shaft 2. A positioning mechanism 5 is provided at one end of the rotating shaft 2. The positioning mechanism 5 is connected to the bearing 3. An installation groove is provided on the fan gearbox 1. A positioning ring 4 is fixedly installed in the installation groove. The positioning ring 4 is connected to the bearing 3.

[0031] The positioning mechanism 5 includes a connecting plate 51, a liquid storage tank 54, a second locking block 52, a second spring 53, a piston 55, and a threaded rod 56. The connecting plate 51 is fixedly installed at one end of the rotating shaft 2. Multiple second locking blocks 52 are slidably connected to the connecting plate 51. One end of each second locking block 52 is engaged with the inner wall of the bearing 3. Through the cooperative design between the fan gearbox 1, the rotating shaft 2, the bearing 3, the positioning ring 4, and the positioning mechanism 5, the effect of preventing the bearing 3 from running in circles with the rotating shaft 2 and the fan gearbox 1 can be achieved. It can also facilitate the subsequent disassembly and maintenance of the rotating shaft 2, thus enhancing the practicality of the structure.

[0032] In this method, the connecting plate 51 is provided with multiple sliding grooves, and multiple locking blocks 52 slide in the sliding grooves. Springs 53 are fixedly installed in each of the multiple sliding grooves. One end of each spring 53 is fixedly connected to the multiple locking blocks 52. Through the interaction between the multiple locking blocks 52 and the multiple locking grooves, the inner wall of the bearing 3 is positioned. Sealing rings are fixedly fitted on each of the multiple locking blocks 52.

[0033] In this configuration, a liquid storage tank 54 is provided on the connecting plate 51, and multiple connecting grooves are provided on the connecting plate 51. Two ends of the multiple connecting grooves are respectively connected to multiple sliding grooves, and the other ends of the multiple connecting grooves are all connected to the liquid storage tank 54. Hydraulic oil is provided in both the liquid storage tank 54 and the multiple sliding grooves. During the process of the piston 55 squeezing the hydraulic oil, the multiple connecting grooves facilitate the delivery of hydraulic oil to the multiple sliding grooves.

[0034] In this configuration, a piston 55 is movably connected inside the reservoir 54. A threaded rod 56 is rotatably connected to one side of the piston 55. One end of the threaded rod 56 is rotatably connected to the piston 55 via a bearing. The threaded rod 56 is threadedly connected to the connecting plate 51. A rotating plate is fixedly connected to one end of the threaded rod 56. By rotating the threaded rod 56, the threaded rod 56 and the connecting plate 51 undergo threaded transmission, thereby causing the threaded rod 56 to drive the piston 55 to slide and squeeze the hydraulic oil inside the reservoir 54.

[0035] In this method, the inner wall of the bearing 3 is provided with multiple slots 2, and multiple locking blocks 2 52 are respectively connected to the multiple slots 2. Three fixing bolts 10 are threadedly connected to the connecting plate 51. One end of each of the three fixing bolts 10 is threadedly connected to the rotating shaft 2. The connecting plate 51 is fixedly installed on the rotating shaft 2 by the action of the three fixing bolts 10, and the multiple locking blocks 2 52 are respectively engaged with the multiple slots 2 on the inner wall of the bearing 3.

[0036] In this method, the positioning ring 4 is provided with multiple sliding grooves, and each sliding groove is slidably connected with a locking block 6. Each locking block 6 is engaged with the outer wall of the bearing 3. Each locking block 6 is fixedly connected with a spring 7, and one end of each spring 7 is fixedly connected to the positioning ring 4. Through the interaction between the multiple locking blocks 6 and the multiple locking grooves, the outer wall of the bearing 3 is positioned. Each locking block 6 is fixedly fitted with a sealing ring.

[0037] In this method, the positioning ring 4 has an annular cavity 8, which contains hydraulic oil. The positioning ring 4 has multiple connecting grooves, one end of which is connected to multiple sliding grooves, and the other end of which is connected to the annular cavity 8. The outer wall of the bearing 3 has multiple slots, and multiple locking blocks are connected to multiple locking blocks 6. The multiple connecting grooves facilitate the delivery of hydraulic oil to the multiple sliding grooves.

[0038] In this method, a circular tube 9 is sealed and connected to the positioning ring 4. One end of the circular tube 9 extends into the annular cavity 8. A valve is provided on the circular tube 9 to connect one end of the hydraulic pump to the circular tube 9. Hydraulic oil is delivered into the annular cavity 8 through the action of the circular tube 9, which facilitates the delivery of hydraulic oil into the annular cavity 8.

[0039] Working principle: In use, the connecting plate 51 is first fixed on the rotating shaft 2 by the action of three fixing bolts 10, so that multiple locking blocks 52 are respectively engaged with multiple locking grooves on the inner wall of the bearing 3. Then, by rotating the threaded rod 56, the threaded rod 56 and the connecting plate 51 are threadedly driven, so that the threaded rod 56 drives the piston 55 to slide in the reservoir 54 and squeeze the hydraulic oil. At this time, the hydraulic oil is delivered to the multiple sliding grooves on the connecting plate 51 by the action of multiple connecting grooves. Thus, under the action of pressure and the cooperation of piston 55 and threaded rod 56, the multiple locking blocks 52 are limited. At the same time, through the interaction between the multiple locking blocks 52 and the multiple locking grooves, the inner wall of the bearing 3 is positioned, thereby preventing the bearing 3 from running around the rotating shaft 2.

[0040] By connecting the outer wall of bearing 3 to the fan gearbox 1 and installing bearing 3 into positioning ring 4, and connecting multiple slots on the outer wall of bearing 3 to multiple locking blocks 6, one end of the hydraulic pump is connected to the circular pipe 9, and hydraulic oil is supplied to the annular cavity 8 through the action of the circular pipe 9. At the same time, the hydraulic oil is supplied to multiple sliding grooves on positioning ring 4 through the action of multiple connecting grooves. At this time, the pressure force achieves the effect of limiting the locking blocks 6. Afterwards, the valve on the circular pipe 9 is closed and the hydraulic pump is stopped and one end of the hydraulic pump is removed from the circular pipe 9. Thus, through the interaction between the multiple locking blocks 6 and the multiple slots, the outer wall of bearing 3 is positioned, thereby preventing the outer wall of bearing 3 from running in circles with the fan gearbox 1.

[0041] The technological advancements of this invention compared to existing technologies are as follows: the cooperation of various components can prevent the bearing 3 from running in circles with the rotating shaft 2 and the fan gearbox 1, and also facilitates the subsequent disassembly and maintenance of the rotating shaft 2, thus enhancing the practicality of the structure. Moreover, the structure is simple and more practical.

Claims

1. A fan gear box bearing anti-runout device, characterized by, Fan gear box (1), positioning ring (4) and positioning mechanism (5) are included; The rotating shaft (2) is rotatably connected to the fan gear box (1), the bearing (3) is sleeved on the rotating shaft (2), one end of the rotating shaft (2) is provided with the positioning mechanism (5), the positioning mechanism (5) is connected with the bearing (3), the mounting groove is formed in the fan gear box (1), the positioning ring (4) is fixedly installed in the mounting groove, and the positioning ring (4) is connected with the bearing (3). The positioning mechanism (5) comprises a connecting disc (51), a liquid storage groove (54), a clamping block two (52), a spring two (53), a piston (55) and a threaded rod (56), one end of the rotating shaft (2) is fixedly installed with the connecting disc (51), a plurality of clamping block two (52) are slidably connected to the connecting disc (51), and one end of the plurality of clamping block two (52) is clamped with the inner wall of the bearing (3).

2. A bearing anti-runout device for a fan gear case as set forth in claim 1, characterized in that, A plurality of sliding grooves are formed in the connecting disc (51), the plurality of clamping block two (52) are slidably connected in the sliding grooves, a plurality of spring two (53) are fixedly installed in the sliding grooves, and one end of the plurality of spring two (53) is fixedly connected with the plurality of clamping block two (52).

3. A fan gear box bearing anti-runaway device according to claim 2, wherein, The connecting disc (51) is provided with the liquid storage groove (54), a plurality of connecting grooves are formed in the connecting disc (51), one end of the plurality of connecting grooves is connected with the plurality of sliding grooves, the other end of the plurality of connecting grooves is connected with the liquid storage groove (54), and the liquid storage groove (54) and the plurality of sliding grooves are provided with hydraulic oil.

4. A bearing anti-rolling device for a fan gear box shaft according to claim 3, characterized in that, The piston (55) is movably connected in the liquid storage groove (54), one side of the piston (55) is rotatably connected with the threaded rod (56), the threaded rod (56) is threadedly connected with the connecting disc (51), and one end of the threaded rod (56) is fixedly connected with the rotating shaft (2).

5. A bearing anti-rolling device for a fan gear box shaft according to claim 1, characterized in that, The inner wall of the bearing (3) is provided with a plurality of clamping grooves, the plurality of clamping block two (52) are connected with the plurality of clamping grooves, and the connecting disc (51) is threadedly connected with three fixed bolts (10).

6. A bearing anti-rolling device for a fan gear box shaft of a wind turbine according to claim 1, wherein, A plurality of sliding grooves are formed in the connecting disc (51), the plurality of sliding grooves are slidably connected with the clamping block one (6), the plurality of clamping block one (6) are clamped with the outer wall of the bearing (3), the plurality of clamping block one (6) are fixedly connected with the spring one (7), and one end of the plurality of spring one (7) is fixedly connected with the positioning ring (4).

7. A fan gear box bearing anti-runaway device according to claim 6, wherein The positioning ring (4) is provided with the annular cavity (8), the annular cavity (8) is provided with hydraulic oil, a plurality of connecting grooves are formed in the positioning ring (4), one end of the plurality of connecting grooves is connected with the plurality of sliding grooves, the other end of the plurality of connecting grooves is connected with the annular cavity (8), the outer wall of the bearing (3) is provided with a plurality of clamping grooves, and the plurality of clamping block one is connected with the plurality of clamping block one (6).

8. A fan gear box bearing anti-runaway device according to claim 7, wherein A circular tube (9) is sealingly connected to the positioning ring (4), one end of the circular tube (9) extends into the annular cavity (8), and a valve is arranged on the circular tube (9).

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