Assembling and hoisting tool for wind power single-row tapered roller main shaft bearing

Abstract

The utility model belongs to the technical field of bearings, and provides a hoisting tool for assembling a wind power single-row tapered roller main shaft bearing, which is provided with an L-shaped hoisting block placed in a bearing ring, the L-shaped hoisting block is provided with a vertical arm and a horizontal arm; a plurality of L-shaped hoisting blocks are uniformly distributed along the circumference; a gap is formed between the vertical arm of the L-shaped hoisting block and the inner wall surface of the bearing ring; the horizontal arm located at the lower end of the L-shaped hoisting block is supported on the lower end face of the bearing ring, and a protective pad is arranged between the horizontal arm and the bearing ring. And the plurality of L-shaped hoisting blocks are suspended on the hoisting ring positioned above the bearing ring. The hoisting ring and the L-shaped hoisting block are used for hoisting and assembling the bearing ring, so that the hoisting stability is ensured, the assembling efficiency of the wind power single-row tapered roller main shaft bearing is improved, and meanwhile, the cleanliness of the assembled bearing finished product is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bearing technical field, concretely relates to a kind of for wind power single-row tapered roller main shaft bearing assembly hoisting tool. BACKGROUND

[0002] The product structure mainly used by current wind power main shaft bearing has single-row tapered roller bearing, double-row tapered roller bearing and double-row self-aligning roller bearing;The assembly precision of main shaft bearing is a key technical index of bearing finished product, especially for single-row tapered roller main shaft bearing, its assembly precision directly influences the service life of bearing.

[0003] The existing assembly hoisting method of single-row tapered roller main shaft bearing adopts magnet to magnetically attract and hoist bearing ring, or adopts thin hoisting belt to hoist bearing ring.When magnetically attracting and hoisting by magnet, the situation that ring is magnetized exists, and after assembly is completed, demagnetization treatment on machine tool is needed, which influences the cleanliness of bearing finished product.When hoisting by thin hoisting belt, hoisting strength is reduced, hoisting belt is not easy to pass between rollers during assembly, and hoisting belt is not easy to take out after assembly is completed, and taking out also influences the cleanliness of bearing finished product. SUMMARY

[0004] In order to overcome the above technical problems, the purpose of the utility model is to provide a kind of for wind power single-row tapered roller main shaft bearing assembly hoisting tool.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of for wind power single-row tapered roller main shaft bearing assembly hoisting tool, hoisting tool has the L type hoisting block placed in bearing ring;The L type hoisting block has vertical arm and horizontal arm;The L type hoisting block is along the circumference of multiple;The vertical arm of L type hoisting block and the inner wall surface of bearing ring have gap;The horizontal arm at the lower end of L type hoisting block is supported on the lower end surface of bearing ring, and protective pad is arranged between the horizontal arm and bearing ring;Multiple L type hoisting blocks are hung on the hoisting ring above bearing ring.

[0007] The hoisting ring is uniformly distributed with multiple through slots and lifting holes in the circumferential direction, and the L type hoisting block is connected with the through slot on the hoisting ring by connecting bolt.

[0008] Fastening screw for clamping bearing ring is installed on the vertical arm of L type hoisting block.

[0009] The utility model proposes a lifting tool for assembling a single-row tapered roller main shaft bearing of a wind turbine, which adopts a lifting ring and an L-shaped lifting block to lift and assemble the bearing ring, thereby ensuring the stability of the lifting, improving the assembly efficiency of the single-row tapered roller main shaft bearing of the wind turbine, and ensuring the cleanliness of the finished bearing after assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] FIG1 is a schematic cross-sectional view of the present invention.

[0011] FIG2 is a schematic top view of the present invention.

[0012] In the figure: 1. Lifting ring, 2. Bearing ring, 3. Connecting bolt, 4. L-shaped lifting block, 5. Cage, 6. Tapered roller, 7. Protective pad, 8. Fastening screw. DETAILED DESCRIPTION

[0013] The present invention will be described with reference to the accompanying drawings and specific examples:

[0014] like Figure 1 、 Figure 2 As shown, a lifting fixture for assembling a single-row tapered roller main shaft bearing for wind power generation, the lifting fixture has an L-shaped lifting block 4 placed in the bearing ring; the L-shaped lifting block 4 has a vertical arm and a horizontal arm; the L-shaped lifting blocks are multiple and evenly distributed along the circumference; there is a gap between the vertical arm of the L-shaped lifting block 4 and the inner wall surface of the bearing ring; the horizontal arm located at the lower end of the L-shaped lifting block is supported on the lower end surface of the bearing ring, and a protective pad 7 is provided between the horizontal arm and the bearing ring; multiple L-shaped lifting blocks are suspended on a lifting ring 1 located above the bearing ring.

[0015] The lifting ring is provided with a plurality of through grooves and lifting holes evenly distributed in the circumferential direction, and the L-shaped lifting block is connected to the through grooves on the lifting ring via connecting bolts 3 .

[0016] A fastening screw 8 for tightening the bearing ring is installed on the vertical arm of the L-shaped lifting block.

[0017] During hoisting, the position of the L-shaped hoisting block 4 is adjusted according to the size of the bearing ring 2. A protective pad 7 is fixed on the L-shaped hoisting block 4. The bearing ring 2 is placed on the protective pad 7 of the L-shaped hoisting block 4 to prevent collision. The fastening screw 8 passes through the L-shaped hoisting block 4 and contacts the bearing ring 2 to avoid sliding and collision of the bearing ring 2 during the hoisting process, thereby ensuring the stability of the hoisting.

Claims

1. A hoisting tool for assembling a wind power single-row conical roller main shaft bearing, characterized in that: The lifting tool has L-shaped lifting blocks placed in the bearing ring; the L-shaped lifting blocks have vertical arms and horizontal arms; the L-shaped lifting blocks are circumferentially distributed; the vertical arms of the L-shaped lifting blocks have gaps with the inner wall of the bearing ring; the horizontal arms at the lower ends of the L-shaped lifting blocks are supported on the lower end surface of the bearing ring, and protective pads are arranged between the horizontal arms and the bearing ring; the L-shaped lifting blocks are hung on a lifting ring above the bearing ring.

2. A hoisting tool for assembling a wind power single-row conical roller main shaft bearing according to claim 1, characterized in that: The lifting ring is circumferentially provided with multiple through grooves and lifting holes, and the L-shaped lifting blocks are connected with the through grooves of the lifting ring through connecting bolts.

3. A hoisting tool for assembling a wind power single-row conical roller main shaft bearing according to claim 1, characterized in that: Fastening screws are installed on the vertical arms of the L-shaped lifting blocks to press the bearing ring.

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