CN220979757U - Wind generating set kuppe preceding steelframe reinforcing apparatus - Google Patents

Abstract

The utility model belongs to the technical field of wind generating sets, and particularly relates to a wind generating set dome front steel frame reinforcing device, which comprises a base, wherein an electric push rod is fixed on the upper surface of the base, a positioning block is fixed on the top end of a telescopic rod of the electric push rod, a sliding rod is fixed on one side of the positioning block, two sliding sleeves are arranged on the sliding rod, and limiting blocks which are distributed at equal intervals in circumference are fixed on the circumferential side wall of each sliding sleeve; through setting up slidable sliding sleeve, utilize the bull stick to drive connecting plate and backup pad outwards to open for the backup pad is along with the continuous outwards open in-process of connecting plate, can be inseparable laminating at the inner wall of kuppe, because the backup pad is great with the atress face of kuppe contact position, makes the kuppe can be effectively shared by a plurality of backup pads of inboard when receiving strong wind and adverse circumstances, has changed traditional reinforcement support and has utilized the shaft-like ring to support the kuppe, and the bearing point atress is great and makes the kuppe take place the defect of deformation easily.

Description

Wind generating set kuppe preceding steelframe reinforcing apparatus

Technical Field

The utility model belongs to the technical field of wind generating sets, and particularly relates to a reinforcing device for a front steel frame of a guide cover of a wind generating set.

Background

The wind generating set kuppe is fan wheel hub's outer safety cover, structurally, protects wheel hub and inside relevant some parts, makes it avoid external climatic environment and pressure's influence, the effectual normal work of guaranteeing wind generating set. Functionally, the airflow can be uniformly split according to the streamline shape of the guide cover in the windward state of the fan, so that the utilization rate of wind energy can be improved, the waste of resources is reduced, and the effect of the wind generating set is better exerted. Therefore, the air guide sleeve has very important influence on the stability, the power generation efficiency, the wind energy utilization rate and the aerodynamic performance of the wind turbine blade.

For example, chinese patent publication No. CN204386817U discloses a wind turbine generator system pod fixing device, which includes a front bracket, a plurality of pressing plates and a rear bracket. The front support consists of an annular circular tube, a front support bottom plate and a plurality of front support supporting rods, wherein the annular circular tube is parallel to the front support bottom plate and is coaxially arranged, and the annular circular tube and the front support bottom plate are connected by the plurality of front support supporting rods in a welding way; the rear bracket is composed of a rear bracket ring frame, a rear bracket bottom plate and a plurality of rear bracket channel steel, wherein the rear bracket ring frame and the rear bracket bottom plate are coaxial and are connected through the plurality of rear bracket channel steel in a welding way. The utility model has simple structure, can well prevent the deflection of the air guide sleeve, provides sufficient operation space in the installation and maintenance processes, has simple and convenient installation, is firmly and reliably fixed, and is more beneficial to large-scale popularization.

This patent suffers from several drawbacks in use, such as: the fixing device in this patent consolidates the kuppe through fore-stock and rear bracket, but its support can't carry out self-regulation according to different kuppe models, and its suitability is less, and installs comparatively troublesome, and in addition, the contact point area of fixing device in this patent and kuppe is less, when wind generating set receives great wind-force, and the kuppe is easily deformed and reduces the kuppe effect with the stress greatly increased of this fixing device contact point position. In view of the above, we propose a wind turbine generator system pod front steel frame reinforcing apparatus.

Disclosure of utility model

The utility model aims to provide a wind turbine generator system air guide sleeve front steel frame reinforcing device for solving the problems in the background technology.

In view of the above, the present utility model provides a wind turbine generator system nacelle front steel frame reinforcement device, comprising:

The electric pushing device comprises a base, wherein an electric push rod is fixed on the upper surface of the base, a positioning block is fixed at the top end of a telescopic rod of the electric push rod, a sliding rod is fixed on one side of the positioning block, two sliding sleeves are arranged on the sliding rod, and limiting blocks which are distributed at equal intervals in circumference are fixed on the circumferential side wall of each sliding sleeve;

The connecting plates are positioned on the peripheral sides of the two sliding sleeves and distributed at equal intervals in circumference, clamping blocks are symmetrically arranged on the lower surfaces of the connecting plates, rotating rods are connected to the clamping blocks in a rotating mode, and the other ends of the rotating rods are connected with limiting blocks on the corresponding sliding sleeves in a rotating mode;

The fixing block is fixedly arranged on the upper surface of the connecting plate, a connecting arm is rotationally connected to the fixing block, and a supporting plate is fixedly arranged at the other end of the connecting arm;

the sliding groove is formed in the sliding rod, a threaded rod is rotatably arranged in the sliding groove, a threaded block is connected to the threaded rod in a threaded mode, and protrusions at two ends of the threaded block are fixedly connected with the inner wall of one of the sliding sleeves;

The driving assembly is positioned in the positioning block and used for driving the threaded rod to rotate.

In this technical scheme, through setting up slidable sliding sleeve, utilize the bull stick to drive connecting plate and backup pad outwards to open, and the backup pad is connected for rotating with the connecting plate is direct for the backup pad is along with the continuous outwards open in-process of connecting plate, can be inseparable laminating at the inner wall of kuppe, because the backup pad is great with the atress face of kuppe contact position, make the kuppe can be effectively shared by a plurality of backup pads of inboard when receiving strong wind and adverse circumstances, when having changed traditional reinforcement support and utilizing the shaft-like ring to support the kuppe, the bearing point atress is great and makes the easy defect of taking place deformation of kuppe.

In the above technical solution, further, the driving assembly includes:

The inner groove is formed in the positioning block, the first gear is rotatably mounted in the inner groove, a motor is fixed on the outer wall of the inner groove, an output shaft of the motor penetrates through the outer wall of the positioning block and extends into the inner groove to be connected with the gear in a coaxial mode, one side of the first gear is connected with the second gear in a meshed mode, one side of the second gear is coaxially connected with a connecting shaft, and one end of the connecting shaft penetrates through the inner wall of the inner groove and extends to the outside to be connected with the threaded rod in a coaxial mode.

In the technical scheme, through setting up drive assembly for the sliding sleeve that the screw thread piece can drive and be connected with it carries out the slip on the horizontal direction along the slide bar, and then opens and close of a plurality of backup pads of control.

In the above technical solution, further, the number of teeth of the second gear is greater than the number of teeth of the first gear.

In this technical scheme, through setting up gear one and gear two of different tooth numbers, utilize gear two to carry out the deceleration to the motor for the sliding sleeve is when carrying out the slip along the slide bar, and speed is comparatively slow and more controllable, and then guarantees that the backup pad can not make contact point position department receive great thrust when the kuppe, makes the backup pad can be mild laminate mutually with the inner wall of kuppe.

In the above technical scheme, further, the counter weight groove has been seted up to the upper surface of base and one side that keeps away from the sliding sleeve, be provided with a plurality of balancing weights in the counter weight groove.

In this technical scheme, through setting up a plurality of balancing weights for the base can be steady place, avoids the base to take place to incline because of one side is overweight.

In the above technical solution, further, a cross section of the support plate is semicircular.

In this technical scheme, through setting up the backup pad that the transversal ring arcuation that personally submits for the backup pad can be more laminated with the inner wall of kuppe.

In the above technical scheme, further, keep away from sliding sleeve and the front end fixed connection of slide bar of locating piece one end, the sliding sleeve and the slide bar sliding connection in slide bar middle section are located, protruding sliding sleeve fixed connection in slide bar middle section in both ends on the screw thread piece.

In the above technical scheme, further, the lower surface of the base is provided with self-locking universal wheels which are symmetrically arranged.

In this technical scheme, through setting up auto-lock universal wheel for operating personnel can operate through promoting this device to suitable position.

The beneficial effects of the utility model are as follows:

1. This steelframe reinforcing apparatus before wind generating set kuppe utilizes the bull stick to drive connecting plate and backup pad and outwards opens through setting up slidable sliding sleeve, and the backup pad is direct to be rotated with the connecting plate and be connected for the backup pad is along with the continuous outwards open in-process of connecting plate, can be inseparable laminating at the inner wall of kuppe, because the backup pad is great with the atress face of kuppe contact position, make the kuppe can be effectively shared by a plurality of backup pads of inboard when receiving strong wind and adverse circumstances, when having changed traditional reinforcement support and utilizing the shaft-like ring to support the kuppe, the bearing point atress is great and makes the kuppe take place deformation easily defect.

2. This steelframe reinforcing apparatus before wind generating set kuppe utilizes gear two to the motor through setting up gear one and gear two of different tooth numbers for the sliding sleeve is when sliding along the slide bar, and speed is comparatively slow and more controllable, and then guarantees that the backup pad can not make contact point position department receive great thrust when the kuppe, makes the backup pad can be mild laminate mutually with the inner wall of kuppe.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a driving assembly according to the present utility model;

FIG. 3 is a cross-sectional view of a slide bar according to the present utility model;

Fig. 4 is a schematic structural view of a sliding sleeve, a rotating rod, a connecting plate and a supporting plate in the utility model.

The label in the figure is:

1. A base; 2. an electric push rod; 3. a positioning block; 4. an inner tank; 5. a first gear; 6. a motor; 7. a second gear; 8. a connecting shaft; 9. a slide bar; 10. a chute; 11. a threaded rod; 12. a screw block; 13. a sliding sleeve; 14. a connecting plate; 15. a limiting block; 16. a rotating rod; 17. a fixed block; 18. a connecting arm; 19. a support plate; 20. a counterweight groove; 21. and (5) balancing weights.

Detailed Description

The technical solutions of the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present application, fall within the scope of protection of the present application.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

It should be noted that, in the description of the present application, the terms like "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and these orientation terms do not indicate and imply that the apparatus or elements referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1:

Referring to fig. 1-4, the present embodiment provides a wind turbine generator system pod front steel frame reinforcement device, including:

The electric push rod comprises a base 1, wherein an electric push rod 2 is fixed on the upper surface of the base 1, a positioning block 3 is fixed at the top end of a telescopic rod of the electric push rod 2, a sliding rod 9 is fixed on one side of the positioning block 3, two sliding sleeves 13 are arranged on the sliding rod 9, and limiting blocks 15 which are distributed at equal intervals in circumference are fixed on the circumferential side wall of each sliding sleeve 13;

The connecting plates 14 are positioned on the peripheral sides of the two sliding sleeves 13 and distributed at equal intervals in circumference, clamping blocks are symmetrically arranged on the lower surfaces of the connecting plates 14, rotating rods 16 are connected to the clamping blocks in a rotating mode, and the other ends of the rotating rods 16 are connected with limiting blocks 15 on the corresponding sliding sleeves 13 in a rotating mode;

The fixed block 17, the fixed block 17 is fixedly arranged on the upper surface of the connecting plate 14, the connecting arm 18 is rotatably connected to the fixed block 17, and the supporting plate 19 is fixedly arranged at the other end of the connecting arm 18;

The sliding chute 10 is arranged on the sliding rod 9, a threaded rod 11 is rotatably arranged in the sliding chute 10, a threaded block 12 is connected to the threaded rod 11 in a threaded manner, and protrusions at two ends of the threaded block 12 are fixedly connected with the inner wall of one sliding sleeve 13;

The driving assembly is positioned in the positioning block 3 and used for driving the threaded rod 11 to rotate.

The operator pushes the device to the air guide sleeve, the electric push rod 2 is started, the telescopic rod of the electric push rod 2 moves upwards, when the sliding rod 9 reaches the transverse axis of the air guide sleeve, the driving assembly is started, the driving assembly drives the threaded rod 11 to rotate, the threaded block 12 moves towards the front end of the sliding rod 9 under the action of the threaded force and pushes the sliding sleeve 13 connected with the threaded rod to move forwards, in the process, the connecting plates 14 are outwards opened along with the continuous displacement of the sliding sleeve 13 through the rotating rod 16 until the supporting plate 19 contacts the inner wall of the air guide sleeve, and as the connecting arms 18 rotating with the fixing blocks 17 are arranged on the lower surface of the supporting plate 19, the supporting plate 19 can be tightly attached to the inner wall of the air guide sleeve along with the inner wall of the air guide sleeve, and then the air guide sleeve is supported and reinforced.

Through setting up slidable sliding sleeve 13, utilize bull stick 16 to drive connecting plate 14 and backup pad 19 outwards open, and backup pad 19 is connected for rotating with connecting plate 14 is direct for backup pad 19 is along with the continuous outwards open in-process of connecting plate 14, can be inseparable laminating at the inner wall of kuppe, because backup pad 19 is great with the atress face of kuppe contact position, make the kuppe can be effectively shared by a plurality of backup pads 19 of inboard when receiving strong wind and adverse circumstances, when having changed traditional reinforcement bracket and utilizing the shaft-like ring to support the kuppe, the bearing point atress is great and makes the kuppe take place the defect of deformation easily.

Example 2:

The embodiment provides a steelframe reinforcing apparatus before wind generating set kuppe, except including the technical scheme of above-mentioned embodiment, still has following technical feature, and drive assembly includes:

The inner groove 4 is formed in the positioning block 3, the first gear 5 is rotatably mounted in the inner groove 4, the motor 6 is fixed on the outer wall of the inner groove 4, an output shaft of the motor 6 penetrates through the outer wall of the positioning block 3 and extends into the inner groove 4 to be coaxially connected with the first gear 5, one side of the first gear 5 is in meshed connection with the second gear 7, one side of the second gear 7 is coaxially connected with the connecting shaft 8, and one end of the connecting shaft 8 penetrates through the inner wall of the inner groove 4 and extends to the outside to be coaxially connected with the threaded rod 11.

The motor 6 is started, the output shaft of the motor 6 rotates and drives the first gear 5, the first gear 5 drives the second gear 7 to rotate, the second gear 7 drives the threaded rod 11 to rotate through the connecting shaft 8, and the threaded block 12 can horizontally move left and right along the sliding groove 10 under the action of the threaded force.

By arranging the driving component, the threaded block 12 can drive the sliding sleeve 13 connected with the threaded block to slide horizontally along the sliding rod 9, so as to control the opening and closing of the plurality of supporting plates 19.

Example 3:

The embodiment provides a wind generating set kuppe preceding steelframe reinforcing apparatus, except including the technical scheme of above-mentioned embodiment, still has following technical feature, and the number of teeth of gear two 7 is greater than the number of teeth of gear one 5.

The rotation speed of the first gear 5 is higher, and the rotation speed of the second gear 7 is lower.

Through setting up gear one 5 and gear two 7 of different tooth numbers, utilize gear two 7 to carry out the deceleration to motor 6 for sliding sleeve 13 is when carrying out the slip along slide bar 9, and speed is comparatively slow and more controllable, and then guarantees backup pad 19 when the contact kuppe, can not make contact point position department receive great thrust, makes backup pad 19 can be mild laminate mutually with the inner wall of kuppe.

Example 4:

The present embodiment provides a wind generating set kuppe preceding steelframe reinforcing apparatus, except including the technical scheme of above-mentioned embodiment, still has following technical characteristics, and the counter weight groove 20 has been seted up to the upper surface of base 1 and the side that keeps away from sliding sleeve 13, is provided with a plurality of balancing weights 21 in the counter weight groove 20.

Through setting up a plurality of balancing weights 21 for base 1 can be steady place, avoids base 1 to take place the slope because of one side is overweight.

Example 5:

The present embodiment provides a wind turbine generator system pod front steel frame reinforcing apparatus, which includes the technical scheme of the above embodiment, and further has the following technical features, and the cross section of the supporting plate 19 is semicircular arc.

By arranging the supporting plate 19 with the cross section of a circular arc shape, the supporting plate 19 can be more attached to the inner wall of the air guide sleeve.

Example 6:

The embodiment provides a steel frame reinforcing apparatus before wind generating set kuppe, except including the technical scheme of above-mentioned embodiment, still has following technical characteristics, the sliding sleeve 13 that keeps away from locating piece 3 one end and slide bar 9's front end fixed connection, the sliding sleeve 13 and slide bar 9 sliding connection that lie in slide bar 9 middle section, the protruding sliding sleeve 13 fixed connection with slide bar 9 middle section in both ends on the screw thread piece 12.

Wherein, when the screw thread block 12 carries out displacement in the horizontal direction, the sliding sleeve 13 positioned at the front end of the sliding rod 9 does not move, the sliding sleeve 13 positioned at the middle section is continuously close to the other sliding sleeve 13,

Example 7:

The embodiment provides a wind generating set kuppe preceding steelframe reinforcing apparatus, except including the technical scheme of above-mentioned embodiment, still has following technical characteristics, and the lower surface mounting of base 1 is the auto-lock universal wheel of symmetry setting.

Through setting up auto-lock universal wheel for operating personnel accessible promotes this device to suitable position and operates.

The embodiments of the present application have been described above with reference to the accompanying drawings, in which the embodiments of the present application and features of the embodiments may be combined with each other without conflict, the present application is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present application, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are protected by the present application.

Claims (7)

1. The utility model provides a steelframe reinforcing apparatus before wind generating set kuppe which characterized in that includes:

The novel electric lifting device comprises a base (1), wherein an electric push rod (2) is fixed on the upper surface of the base (1), a positioning block (3) is fixed at the top end of a telescopic rod of the electric push rod (2), a sliding rod (9) is fixed on one side of the positioning block (3), two sliding sleeves (13) are arranged on the sliding rod (9), and limiting blocks (15) which are distributed at equal intervals in circumference are fixed on the circumferential side wall of each sliding sleeve (13);

The connecting plates (14) are positioned on the periphery sides of the two sliding sleeves (13) and distributed at equal intervals in circumference, clamping blocks are symmetrically arranged on the lower surfaces of the connecting plates (14), rotating rods (16) are rotatably connected to the clamping blocks, and the other ends of the rotating rods (16) are rotatably connected with limiting blocks (15) on the corresponding sliding sleeves (13);

The fixing block (17), the fixing block (17) is fixedly arranged on the upper surface of the connecting plate (14), the connecting arm (18) is rotationally connected to the fixing block (17), and the supporting plate (19) is fixedly arranged at the other end of the connecting arm (18);

The sliding device comprises a sliding groove (10), wherein the sliding groove (10) is formed in a sliding rod (9), a threaded rod (11) is rotatably arranged in the sliding groove (10), a threaded block (12) is connected to the threaded rod (11) in a threaded manner, and protrusions at two ends of the threaded block (12) are fixedly connected with the inner wall of one sliding sleeve (13);

The driving assembly is positioned in the positioning block (3) and used for driving the threaded rod (11) to rotate.

2. The wind turbine generator system pod front steel frame reinforcement device of claim 1, wherein the drive assembly comprises:

The inner groove (4), in locating piece (3) is seted up in inner groove (4), gear one (5) is installed in inner groove (4) internal rotation, the outer wall of inner groove (4) is fixed with motor (6), the output shaft of motor (6) runs through the outer wall of locating piece (3) and extends to in inner groove (4) with gear one (5) coaxial coupling, one side meshing of gear one (5) is connected with gear two (7), one side coaxial coupling of gear two (7) has even axle (8), the one end of even axle (8) runs through the inner wall of inner groove (4) and extends to external and threaded rod (11) coaxial coupling.

3. The wind turbine generator system pod front steel frame reinforcing device according to claim 2, wherein the number of teeth of the second gear (7) is larger than the number of teeth of the first gear (5).

4. The wind turbine generator system pod front steel frame reinforcing device according to claim 1, wherein a counterweight groove (20) is formed in one side, far away from the sliding sleeve (13), of the upper surface of the base (1), and a plurality of balancing weights (21) are arranged in the counterweight groove (20).

5. The wind turbine generator system pod front steel frame reinforcement device according to claim 1, wherein the cross section of the support plate (19) is semicircular arc-shaped.

6. The wind turbine generator system dome front steel frame reinforcing device according to claim 1, wherein a sliding sleeve (13) far away from one end of the positioning block (3) is fixedly connected with the front end of the sliding rod (9), the sliding sleeve (13) located at the middle section of the sliding rod (9) is slidably connected with the sliding rod (9), and protrusions at two ends of the threaded block (12) are fixedly connected with the sliding sleeve (13) located at the middle section of the sliding rod (9).

7. The wind turbine generator system pod front steel frame reinforcing device according to claim 1, wherein the lower surface of the base (1) is provided with self-locking universal wheels which are symmetrically arranged.