CN219822171U

CN219822171U - Tremble protection network is deposited to fan blade

Info

Publication number: CN219822171U
Application number: CN202321057635.6U
Authority: CN
Inventors: 梁涛; 徐兴仲; 于彪; 王立建; 丁逸轩; 王永明; 马富兴
Original assignee: Zhongguang Nuclear New Energy Tori Co ltd
Current assignee: Zhongguang Nuclear New Energy Tori Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-10-13
Anticipated expiration: 2033-05-04

Abstract

The utility model discloses a vibration-preventing net for storing fan blades, which comprises a blade a and a net sleeve sleeved on the blade a, wherein a fixing frame is arranged outside the net sleeve, a plurality of damping balls are sleeved on the fixing frame to change the pneumatic characteristics of the surface of the blade so as to achieve the vibration-preventing effect, the left side and the right side of the fixing frame are sleeved with a reinforcing sleeve to be attached to the blade tip and the blade root of the blade a, fixing holes are formed in the left side and the right side of the outer wall of the front end of the fixing frame so as to enable nylon ropes to pass through for fixing, thickening layers are fixed on the circular inner walls of the fixing holes, and the situation that the blade is broken due to the fact that sharp parts of the blade are blocked into gaps and weak parts of the original nylon ropes when the blade vibrates in a rotating mode can be avoided through attaching contact between the reinforcing sleeve, the fixing holes and the thickening layers.

Description

Tremble protection network is deposited to fan blade

Technical Field

The utility model belongs to the technical field of protection nets, and particularly relates to a tremble protection net for storing fan blades.

Background

At present, fan types are larger and larger, different airflows fall off from the front edge and the rear edge of a blade in a large vortex mode, the blade is driven to vibrate, a net sleeve is arranged on the surface of the blade, a plurality of balls are arranged on the net sleeve to change the aerodynamic characteristics of the surface of the blade so as to achieve vibration suppression effect, but when the net sleeve is sleeved on the blade, the net sleeve is reinforced with nylon rope windings at the blade tip and the blade root, the winding windings and the thickness are inconsistent each time, and the blade still can be clamped into gaps of nylon reinforcing layers at the net sleeve, the blade tip and the blade root when rotating, so that the net sleeve is broken by the blade tip and the blade root.

Disclosure of Invention

The utility model aims to provide a tremble protection net for storing fan blades, which aims to solve the problem that the nylon rope winding is adopted for reinforcement in the background art, and the number of windings and the thickness of windings are inconsistent each time and still can be clamped into gaps of nylon reinforcement layers at the positions of a net sleeve and blade tips and blade roots, so that the net sleeve is cracked by the blade tips and the blade roots.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a tremble protection net for storing fan blades comprises a blade a and a net sleeve sleeved on the blade a;

a fixed frame is arranged outside the net sleeve;

the fixed frame is sleeved with a plurality of damping balls to change the pneumatic characteristics of the surface of the blade so as to achieve the vibration suppression effect;

the left and right sides of fixed frame has all cup jointed and has consolidated the apex department and the blade root department of cover laminating blade a, two inside fixed orifices that all are provided with of front end outer wall left and right sides of fixed frame is fixed for nylon rope to pass, a plurality of the circular inner wall of fixed orifices all is fixed with the thickening layer.

Preferably, a thickening sleeve is fixedly connected between the two reinforcing sleeves and close to the upper side and the lower side so as to be abutted against the edges of the upper side and the lower side of the blade a, and a through hole for clamping the fixing frame is formed in the center of the reinforcing sleeve.

Preferably, the inside of reinforcement cover and thickening cover all is provided with the fixed orifices, the lower extreme fixedly connected with thickening pad of thickening cover.

Preferably, the lower extreme of thickening pad is provided with anti-skidding line, thickening pad and anti-skidding line all adopt rubber material to make.

Preferably, the outer walls of the left end and the right end of the shock absorption ball are respectively provided with a hollow plate, and the outer wall of the right end of the hollow plate is provided with a waterproof sleeve to be attached to the round outer wall of the fixed frame.

Preferably, the left end outer wall of cavity board is provided with the limiting plate of joint at the through-hole inside to the left, the left end outer wall of cavity board is close to upper and lower both sides and all is provided with the screw thread board that runs through at the shock attenuation ball inside to the left.

Preferably, a fixing groove for screwing the threaded plate is formed in the outer wall of the right end of the shock absorption ball, and a plugging hole for plugging the threaded plate is formed in the outer wall of the right end of the shock absorption ball.

Preferably, the center of the outer walls of the left end and the right end of the shock-absorbing ball are provided with left and right through openings for the fixed frame to pass through, and the left side and the right side of the shock-absorbing ball are provided with binding belts on the fixed frame to limit the moving distance of the shock-absorbing ball.

Preferably, a connecting rope connected with the blade a is arranged at the left end of the fixing frame, and the connecting rope, the net sleeve and the fixing frame are all woven by nylon materials.

Preferably, the ribbon can be fixed at any position on the fixed frame, and the shock-absorbing ball can move left and right on the fixed frame.

Compared with the prior art, the utility model provides the tremble protection net for storing the fan blades, which has the following beneficial effects:

1. through installing reinforcing sleeve, fixed orifices and thickening layer, when the apex department and the blade root department of net cover and blade carry out nylon rope and consolidate, the contact of laminating between the apex department and the blade root department of accessible neat and smooth reinforcing sleeve and blade avoids the nylon rope to appear the gap after the thickening and lead to the condition emergence of card income clearance when blade vibrations, simultaneously after reinforcing sleeve laminating, the accessible runs through the fixed orifices with the nylon rope and consolidates the sleeve and fix for reinforcing sleeve can laminate the apex department and the blade root department of blade more, thereby avoid the blade when rotatory vibrations, the condition emergence of gap and weak department when blade sharp-pointed department card income original nylon rope consolidates avoids the condition emergence of blade with net cover fracture.

2. Through installing waterproof cover, when the shock attenuation ball cup joints on fixed frame, the accessible is closely laminated between waterproof cover and the fixed cover, avoid when meetting overcast and rainy weather, the rainwater is through the through-put between shock attenuation ball and the fixed frame entering to the inside condition of shock attenuation ball and take place, thereby avoid blade a when normal rotation, drive the shock attenuation ball synchronous rotation that inside has the rainwater and lead to the shock attenuation ball that has the rainwater to strike blade a surface and cause blade a to avoid appearing sunken condition to take place, simultaneously also can avoid the rainwater to get into inside shock attenuation ball weight increase that leads to of shock attenuation ball, increase the condition emergence of blade a's consumption when rotating.

Drawings

Fig. 1 is a schematic front view of a fan blade storage tremble protection net according to the present utility model.

Fig. 2 is a schematic diagram of an expanded structure of a fan blade storage tremble protection net cover according to the present utility model.

Fig. 3 is a schematic side view in cross section of a partial structure of a reinforcing sleeve region according to the present utility model.

Fig. 4 is a schematic sectional elevation view of a partial structure of a thickened jacket region of the present utility model.

Fig. 5 is a schematic view of the structure of the shock absorbing ball of the present utility model.

Fig. 6 is a schematic sectional elevation view of a partial structure of a hollow panel region according to the present utility model.

In the figure: 1. a blade a; 2. a connecting rope; 3. a net cover; 4. a shock-absorbing ball; 5. reinforcing the sleeve; 6. a tie; 7. a fixed frame; 8. a through port; 9. a fixing hole; 10. thickening layers; 11. thickening the sleeve; 12. a through port; 13. thickening the pad; 14. anti-skid lines; 15. a fixing groove; 16. a thread plate; 17. a hollow plate; 18. a waterproof jacket; 19. and a limiting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a fan blade storage tremble protection net as shown in fig. 1-6, which comprises a blade a1 and a net sleeve 3 sleeved on the blade a 1;

the outside of the net cover 3 is provided with a fixed frame 7;

the fixed frame 7 is sleeved with a plurality of damping balls 4 to change the pneumatic characteristics of the surface of the blade so as to achieve the vibration suppression effect, when the blade a1 rotates, the circulating air flow can contact with the damping balls 4 to disturb the circulation of the air flow, and the vibration frequency generated when the blade a1 rotates to break the air is reduced;

the left and right sides of fixed frame 7 has all been cup jointed and has been consolidated the apex department and the blade root department of cover 5 laminating blade a1, the inside fixed orifices 9 that all is provided with in front end outer wall left and right sides of two fixed frames 7 is fixed for nylon rope to pass, the circular inner wall of a plurality of fixed orifices 9 all is fixed with thickening layer 10, when cover 3 cup joints on blade a1 with fixed frame 7, the apex department and the blade root department of accessible consolidate cover 5 and blade a1 are fixed in contact, avoid the both sides unevenness of nylon rope reinforced cover 3 and fixed frame 7 to be entered gap and comparatively weak position by blade a1 joint, lead to cover 3 and fixed frame 7 to be taken place by the condition of rupture.

As shown in fig. 1, fig. 2 and fig. 3, two reinforcing sleeves 5 are fixedly connected with thickening sleeves 11 near the upper side and the lower side respectively so as to be abutted against the edges of the upper side and the lower side of the blade a1, the damage to the net sleeve 3 caused by the edges of the upper side and the lower side of the blade a1 is avoided, the net sleeve 3 is prevented from being cracked by the blade a1, a through hole 12 for clamping the fixing frame 7 is formed in the center of the reinforcing sleeve 5, and the fixing frame 7 can be stably fixed in the reinforcing sleeve 5 and is reinforced and connected through nylon ropes.

As shown in fig. 3 and 4, the inside of strengthening cover 5 and thickening cover 11 all is provided with fixed orifices 9 for it is inseparabler to connect under the winding of nylon rope between the thickening cover 11 and the wire cover 3, and the lower extreme fixedly connected with thickening cover 11 is filled up 13, and the lower extreme of thickening pad 13 is provided with anti-skidding line 14, can increase the laminating degree of tightness between thickening pad 13 and the blade a1, reduces the condition emergence of thickening pad 13 from blade a1 upper and lower both sides edge slippage, and thickening pad 13 and anti-skidding line 14 all adopt rubber materials to make, have higher toughness and softness, can laminate the surface of blade a1 more.

As shown in fig. 5 and 6, the outer walls of the left end and the right end of the damping ball 4 are respectively provided with a hollow plate 17, the outer wall of the right end of the hollow plate 17 is provided with a waterproof sleeve 18 to be attached to the round outer wall of the fixed frame 7, the outer wall of the left end of the hollow plate 17 is provided with a limiting plate 19 which is clamped inside the through hole 8 to the left, the outer wall of the left end of the hollow plate 17 is close to the upper side and the lower side and is respectively provided with a threaded plate 16 which penetrates left inside the damping ball 4 to the left, the outer wall of the right end of the damping ball 4 is provided with a fixed groove 15 for the threaded plate 16 to be screwed, the outer wall of the right end of the damping ball 4 is internally provided with an inserting hole for inserting the threaded plate 16, the hollow plate 17 can be inserted inside the through hole 8 under the guidance of the limiting plate 19 before passing the damping ball 4 and the fixed frame 7, the threaded plate 16 at the left end of the hollow plate 17 is also screwed and fixed between the inserting hole and the fixed groove 15, then the waterproof sleeve 18 is manually supported to the opening, the fixed frame 7 is penetrated inside the damping ball 4 from the waterproof sleeve 18, and the blade a1 is rotated, and the weight of the damping ball 4 can be prevented from increasing inside the damping ball 4 when the blade a1 is rotated, and the weight of the damping ball is prevented from entering the inside the through the hole 4.

As shown in fig. 2 and 6, the center of the outer walls of the left and right ends of the shock absorbing ball 4 is provided with a left and right through opening 8 for the fixed frame 7 to pass through, so that when the shock absorbing ball 4 is connected in series, the fixed frame 7 which is not connected together can be inserted into the through openings 8 of the two ends of the shock absorbing ball 4 in sequence to fix the shock absorbing ball 4, the left and right sides of the shock absorbing ball 4 and the fixed frame 7 are provided with binding belts 6 to limit the moving distance of the shock absorbing ball 4, and after the shock absorbing ball 4 is accurately placed in position, the situation that the shock absorbing ball 4 moves is avoided under the limitation of the binding belts 6.

As shown in fig. 1 and 2, the left end of the fixing frame 7 is provided with a connecting rope 2 connected with the blade a1, the connecting rope 2 can be used for fixing the net cover 3 and the blade a1, the connecting rope 2, the net cover 3 and the fixing frame 7 are all woven by nylon materials, the fixing frame has stronger toughness, the fixing frame can be attached to the surface of the blade a1, the binding belt 6 can be fixed at any position on the fixing frame 7, the damping ball 4 can move left and right on the fixing frame 7, and after the position of the damping ball 4 on the fixing frame 7 can be adjusted according to the situation, the damping ball 4 is fixed at the position of the binding belt 6.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A tremble protection net for storing fan blades comprises a blade a (1) and a net sleeve (3) sleeved on the blade a (1);

a fixed frame (7) is arranged outside the net sleeve (3);

a plurality of damping balls (4) are sleeved on the fixed frame (7) to change the pneumatic characteristics of the surface of the blade so as to achieve the vibration suppression effect;

the method is characterized in that: the left and right sides of fixed frame (7) has all cup jointed the apex department and the blade root department that consolidate cover (5) laminating blade a (1), two inside fixed orifices (9) that all are provided with of front end outer wall left and right sides of fixed frame (7) are fixed for the nylon rope to pass, a plurality of circular inner wall of fixed orifices (9) all is fixed with thickening layer (10).

2. The fan blade storage tremble protection net of claim 1, wherein: the two reinforcing sleeves (5) are fixedly connected with thickening sleeves (11) between the two reinforcing sleeves (5) and close to the edges of the upper side and the lower side of the blade a (1) in a butt mode, and through holes (12) for clamping the fixing frames (7) are formed in the center of the reinforcing sleeves (5).

3. A fan blade storage tremble protection net according to claim 1 or 2, characterized in that: the inner parts of the reinforcing sleeve (5) and the thickening sleeve (11) are respectively provided with a fixing hole (9), and the lower end of the thickening sleeve (11) is fixedly connected with a thickening pad (13).

4. A fan blade storage tremble protection net according to claim 3, wherein: the anti-slip lines (14) are arranged at the lower end of the thickening pad (13), and the thickening pad (13) and the anti-slip lines (14) are made of rubber materials.

5. The fan blade storage tremble protection net of claim 1, wherein: the outer walls of the left end and the right end of the shock absorption ball (4) are respectively provided with a hollow plate (17), and the outer wall of the right end of the hollow plate (17) is provided with a waterproof sleeve (18) to be attached to the round outer wall of the fixed frame (7).

6. The fan blade storage tremble protection net of claim 5, wherein: the left end outer wall of cavity board (17) is provided with limiting plate (19) at the inside joint of passing through mouth (8) left, the left end outer wall of cavity board (17) is close to upper and lower both sides and all is provided with threaded plate (16) that run through in shock-absorbing ball (4) inside left.

7. A fan blade storage tremble protection net according to claim 1 or 6, wherein: the right-end outer wall of the shock-absorbing ball (4) is provided with a fixing groove (15) for the threaded plate (16) to be screwed, and the inside of the right-end outer wall of the shock-absorbing ball (4) is provided with a plugging hole for the threaded plate (16) to be plugged.

8. The fan blade storage tremble protection net of claim 1, wherein: the center of the outer walls of the left end and the right end of the shock-absorbing ball (4) are provided with left and right through openings (8) for the fixed frame (7) to pass through, and the left side and the right side of the shock-absorbing ball (4) are provided with binding belts (6) on the fixed frame (7) to limit the moving distance of the shock-absorbing ball (4).

9. The fan blade storage tremble protection net of claim 1, wherein: the left end of the fixed frame (7) is provided with a connecting rope (2) connected with the blade a (1), and the connecting rope (2), the net cover (3) and the fixed frame (7) are all woven by nylon materials.

10. The fan blade storage tremble protection net of claim 8, wherein: the ribbon (6) can be fixed at any position on the fixed frame (7), and the damping ball (4) can move left and right on the fixed frame (7).