CN212239936U - Fan hub's compression fittings - Google Patents

Abstract

The utility model discloses a press fitting device of a fan wheel hub, which comprises a base, wherein the upper end surface of the base is fixedly provided with a bottom block, the upper end surface of the bottom block is provided with a pressing die, the upper end surface of the base is symmetrically and fixedly provided with four straight bars, the upper end surfaces of the four straight bars are fixedly provided with a cylinder, a moving block is arranged below the cylinder, the lower end surface of the moving block is fixedly provided with a pressing block, the upper end surface of the pressing die is provided with a positioning groove, the lower end surface of the pressing block is fixedly provided with a convex column, and the lower end surface of the convex column is provided with a positioning hole. And then the convex column continues to move downwards, and finally the hub rotating shaft is pressed into the fan hub.

Description

Fan hub's compression fittings

Technical Field

The utility model relates to a fan wheel hub manufacture equipment field, in particular to fan wheel hub's compression fittings.

Background

The hub is an important supporting part in a fan structure, the hub is connected with a plurality of blades to form a wind wheel, and the wind wheel catches wind energy and then transmits the wind energy to a rotating shaft of a generator through a main shaft. The hub can therefore be said to be a critical component for capturing wind energy to generate electrical energy. The hub mainly has two structures of a three-fork shape and a spherical shape. The hub is an important bearing part in the whole wind turbine, and has enough rigidity and strength to ensure that the turbine can normally operate under various load working conditions and ensure the safety of the turbine when the turbine is influenced by severe conditions. The perseveration not only needs to meet the design requirements, but also needs to reduce the weight of the perseveration so as to reduce the production cost.

During manufacturing of the fan hub, the hub rotating shaft needs to be pressed into the fan hub, and due to the fact that the outer diameter of the hub rotating shaft is small, the hub rotating shaft is often pressed to be deviated by an existing pressing device when the hub rotating shaft is pressed, and the quality of the pressed fan hub cannot be well guaranteed. In view of the above problems, a solution is proposed as follows.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fan wheel hub's compression fittings has the advantage of high-efficient location.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a fan wheel hub's compression fittings, includes the base, the up end of base has set firmly the bottom block, the up end of bottom block is equipped with the moulding-die, and the moulding-die can be dismantled with the bottom block and be connected, the up end symmetry of base has set firmly four straight-bars, and the up end of four straight-bars has set firmly the cylinder, the below of cylinder is equipped with the movable block, just the lever of cylinder and the up end fixed connection of movable block, the up end symmetry of movable block has set firmly four slide holes, four straight-bars wear to establish four slide holes respectively, and with four slide hole sliding fit, the lower terminal surface of movable block has set firmly the briquetting, the up end of moulding-die is equipped with the constant head tank, just the constant head tank is the toper, the lower terminal surface of briquetting has set firmly the projection, the lower terminal surface of projection is equipped with the locating hole.

By adopting the technical scheme, a user places the fan hub and the hub rotating shaft on the pressing die, then the air cylinder is started, the cylinder rod of the air cylinder stretches to drive the moving block to move downwards, when the moving block moves downwards, the four sliding holes respectively move downwards along the four straight rods, so that the moving track of the moving block is more straight, because one end of the fan hub is conical, when the fan hub is placed on the pressing die, one end of the fan hub is positioned in the positioning groove, the positioning groove can ensure that the fan hub does not generate position deviation on the pressing die, thereby ensuring that the pressing is more accurate, when the moving block moves downwards, the pressing block is driven to move downwards, therefore, the convex column is driven to move downwards, after the convex column moves downwards, the hub rotating shaft can slide into the positioning hole, then the hub rotating shaft is completely positioned in the positioning hole, the convex column continues to move downwards, and finally the hub rotating shaft is driven to be pressed into the fan hub.

Preferably, a plurality of convex blocks are symmetrically and fixedly arranged on the lower side of the pressing die, through holes are formed in the upper end faces of the convex blocks respectively, a plurality of threaded holes are formed in the upper end face of the bottom block, screws penetrate through the through holes respectively, and one ends of the screws are located in the threaded holes respectively.

By adopting the technical scheme, the pressing die is placed on the upper end face of the bottom block by a user, the screws are respectively penetrated into the through holes and are respectively screwed, so that one ends of the screws are respectively led into the threaded holes, and the pressing die is fixed on the bottom block.

Preferably, two limiting rods are symmetrically and fixedly arranged on the upper end face of the base, and the two limiting rods are located below the moving block.

By adopting the technical scheme, the two limiting rods can prevent the moving block from continuously moving downwards to press the hub rotating shaft to be in an over-position state.

Preferably, four supports are symmetrically and fixedly arranged on the lower end face of the base, the lower end faces of the four supports are provided with anti-abrasion pads, the surfaces of the anti-abrasion pads are rough, and the anti-abrasion pads are elastic.

Adopt above-mentioned technical scheme, four supports prevent that the base from contacting ground for a long time and getting damp, rustting with base and ground separation, and the abrasionproof pad can play certain shock attenuation cushioning effect for compression fittings at compression fittings during operation to make the more steady of suppression work afterwards.

Preferably, a plurality of rubber blocks are fixedly arranged on the upper end surface of the moving block, and the rubber blocks are elastic.

By adopting the technical scheme, the rubber block can prevent the moving block from directly contacting with the cylinder to cause abrasion between the cylinder and the moving block.

Drawings

FIG. 1 is a schematic diagram of an embodiment;

FIG. 2 is another schematic structural diagram of the embodiment.

Reference numerals: 1. a base; 2. a bottom block; 3. pressing the die; 4. a straight rod; 5. a cylinder; 6. a moving block; 7. briquetting; 8. positioning a groove; 9. a convex column; 10. positioning holes; 11. a bump; 12. a screw; 13. a limiting rod; 14. a support; 15. an anti-wear pad; 16. a rubber block.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 to 2, a fan wheel hub's compression fittings, including base 1, base 1's lower terminal surface symmetry has set firmly four supports 14, four supports 14 separate base 1 and ground, prevent that base 1 from contacting ground for a long time and getting damp, rust, the lower terminal surface of four supports 14 all is provided with the abrasionproof pad 15, abrasionproof pad 15 is crude surface, abrasionproof pad 15 is elastic, abrasionproof pad 15 can be at the compression fittings during operation, play certain shock attenuation cushioning effect for the compression fittings, thereby make the more steady of pressing work afterwards.

The up end of base 1 has set firmly bottom block 2, and the up end of bottom block 2 is equipped with moulding-die 3, and the downside symmetry of moulding-die 3 has set firmly a plurality of lugs 11, and the through-hole has been seted up respectively to the up end of a plurality of lugs 11, and the up end of bottom block 2 is equipped with a plurality of screw holes, and the user places moulding-die 3 at the up end of bottom block 2, later adjusts the position of moulding-die 3, makes a plurality of through-holes aim at a plurality of screw holes respectively. The screws 12 are respectively arranged in the through holes in a penetrating mode, a user respectively penetrates the screws 12 into the through holes and respectively screws the screws 12, so that one ends of the screws 12 respectively enter the threaded holes, and the pressing die 3 is fixed on the bottom block 2.

Four straight-bars 4 have set firmly in the up end symmetry of base 1, and the up end of four straight-bars 4 has set firmly cylinder 5, and the below of cylinder 5 is equipped with movable block 6, and the lever of cylinder 5 and the up end fixed connection of movable block 6, the user places fan wheel hub and wheel hub pivot on moulding-die 3, and later cylinder 5 starts, and the jar pole of cylinder 5 stretches and can drive movable block 6 downstream. Four sliding holes are symmetrically and fixedly arranged on the upper end face of the moving block 6, the four straight rods 4 penetrate through the four sliding holes respectively, and when the moving block 6 moves downwards, the four sliding holes move downwards along the four straight rods 4 respectively, so that the moving track of the moving block 6 is straight, and the pressing precision is accurate.

The up end of moulding-die 3 is equipped with constant head tank 8, and constant head tank 8 is the toper, because fan wheel hub's one end is the toper, and when fan wheel hub placed on moulding-die 3, one end was located constant head tank 8, and constant head tank 8 can guarantee that fan wheel hub does not take place the offset on moulding-die 3 to make the accuracy more of pressfitting. The lower end surface of the moving block 6 is fixedly provided with a pressing block 7, the lower end surface of the pressing block 7 is fixedly provided with a convex column 9, and when the moving block 6 moves downwards, the pressing block 7 is driven to move downwards, so that the convex column 9 is driven to move downwards. The lower end face of the convex column 9 is provided with a positioning hole 10, after the convex column 9 moves downwards, the hub rotating shaft can slide into the positioning hole 10, then the hub rotating shaft is completely positioned in the positioning hole 10, the convex column 9 continues to move downwards, and finally the hub rotating shaft is driven to be pressed into the fan hub.

Two gag lever posts 13 have been set firmly to the up end symmetry of base 1, and two gag lever posts 13 all are located the below of movable block 6, and after movable block 6 gradually moves down, the up end of two gag lever posts 13 and the lower terminal surface laminating of movable block 6, in fan wheel hub just is impressed to the wheel hub pivot this moment, two gag lever posts 13 can prevent that movable block 6 from continuing to move down and cross the position with the suppression of wheel hub pivot.

The upper end face of movable block 6 sets firmly a plurality of blocks of rubber 16, and a plurality of blocks of rubber 16 are elastic, and later the lever of cylinder 5 contracts back to drive movable block 6 and move up, a plurality of blocks of rubber 16 can prevent that movable block 6 from direct and cylinder 5 contact and make and produce wearing and tearing between cylinder 5 and the movable block 6.

Claims (5)

1. A press-fit device for a fan hub comprises a base (1) and is characterized in that a bottom block (2) is fixedly arranged on the upper end face of the base (1), a pressing die (3) is arranged on the upper end face of the bottom block (2), the pressing die (3) is detachably connected with the bottom block (2), four straight rods (4) are symmetrically and fixedly arranged on the upper end face of the base (1), an air cylinder (5) is fixedly arranged on the upper end face of each straight rod (4), a moving block (6) is arranged below the air cylinder (5), a lever of the air cylinder (5) is fixedly connected with the upper end face of the moving block (6), four sliding holes are symmetrically and fixedly arranged on the upper end face of the moving block (6), the four straight rods (4) are respectively penetrated through the four sliding holes and are in sliding fit with the four sliding holes, a pressing block (7) is fixedly arranged on the lower end face of the moving block (6), and a positioning groove (8) is arranged on the upper end face, the positioning groove (8) is conical, the lower end face of the pressing block (7) is fixedly provided with a convex column (9), and the lower end face of the convex column (9) is provided with a positioning hole (10).

2. The fan hub pressing device according to claim 1, wherein a plurality of protrusions (11) are symmetrically and fixedly arranged on the lower side of the pressing die (3), through holes are respectively formed in the upper end surfaces of the plurality of protrusions (11), a plurality of threaded holes are formed in the upper end surface of the bottom block (2), screws (12) are respectively inserted into the plurality of through holes, and one ends of the plurality of screws (12) are respectively located in the plurality of threaded holes.

3. The fan hub pressing device according to claim 2, wherein two limiting rods (13) are symmetrically and fixedly arranged on the upper end surface of the base (1), and the two limiting rods (13) are both located below the moving block (6).

4. The fan hub pressing device according to claim 3, wherein four brackets (14) are symmetrically and fixedly arranged on the lower end surface of the base (1), the lower end surfaces of the four brackets (14) are respectively provided with an anti-wear pad (15), the surface of each anti-wear pad (15) is rough, and the anti-wear pads (15) have elasticity.

5. The fan hub pressing device according to claim 4, wherein a plurality of rubber blocks (16) are fixedly arranged on the upper end surface of the moving block (6), and the plurality of rubber blocks (16) have elasticity.

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