Hub buckle connecting mechanism
By designing limiting and sealing components, the cumbersome positioning problem when installing blades in the hub snap-fit connection mechanism is solved, achieving rapid installation and improved sealing.
Patent Information
- Application Number
- CN202520470347.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-03-17
AI Technical Summary
The existing hub snap-fit connection mechanism has a cumbersome positioning and installation process when installing blades, which increases installation costs and time.
A hub snap-fit connection mechanism including a limiting component and a sealing component was designed. The limiting component quickly positions the blades, and the sealing component improves the sealing performance of the connection and prevents corrosion.
This technology enables rapid blade fixing, reducing installation costs and time, while improving the sealing and safety of the connection.
Smart Images

Figure CN223707823U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to wheel hub buckle connecting mechanism technical field especially relates to a wheel hub buckle connecting mechanism. BACKGROUND
[0002] In wind power equipment, the wheel hub buckle connecting mechanism can be used to connect the key components of the wind turbine, and the wind power blade needs to be quickly and firmly connected with the wheel hub. Since the wind power equipment usually needs to be stably operated for a long time and bear a large load, the buckle connecting mechanism must meet the requirements of strength, reliability and easy maintenance, and the application of the wheel hub buckle connecting mechanism in the wind power equipment helps to improve the reliability and maintenance efficiency of the equipment, and simplifies the assembly and disassembly process of the wind turbine generator.
[0003] However, in the use of the existing wheel hub buckle connecting mechanism, the installer needs to position the blade, and the positioning and installation steps are complicated, which makes it difficult to quickly complete the fixing work of the blade, increasing the installation cost and time. UTILITY MODEL CONTENTS
[0004] (I) Technical problem solved
[0005] The utility model aims at providing a wheel hub buckle connecting mechanism to solve the problem that in the use of the existing wheel hub buckle connecting mechanism in the above background technology, the installer needs to position the blade, and the positioning and installation steps are complicated, which makes it difficult to quickly complete the fixing work of the blade, increasing the installation cost and time.
[0006] (II) Technical scheme
[0007] To achieve the above purpose, the utility model is realized by the following technical scheme: a wheel hub buckle connecting mechanism, comprising three groups of wheel hub bodies, the surface of one end of the three groups of wheel hub bodies is sleeved with a fixed disc, the surface of the fixed disc is annular array rotationally connected with four groups of limiting components, the inside of the wheel hub body is sleeved with a supporting ring, one side of the supporting ring is fixedly connected with a sealing component, the inside of the wheel hub body is inserted with a connecting sleeve, the surface of the connecting sleeve is sleeved with a connecting disc, the limiting component comprises a rotating rod rotationally connected to the surface of the fixed disc in an annular array, the surface of the rotating rod is sleeved with a threaded rod, the outer surface of one end of the threaded rod is threadedly connected with a limiting nut; the sealing component comprises a plurality of groups of supporting springs fixedly connected to one side of the supporting ring, one end of the supporting spring is fixedly connected with a movable ring, one side of the movable ring is inserted with a sealing ring, and the sealing ring is sleeved on the inner wall of the connecting sleeve.
[0008] As a further scheme of the utility model, the rectifier cover is fixedly connected to one side of the hub body, and the variable pitch bearing is sleeved on the inner wall of the hub body, so that the fan blades can be accurately adjusted according to the wind speed and the wind direction.
[0009] As a further scheme of the utility model, the surface of the fixing disc and the connecting disc is annularly arranged with a plurality of groups of mounting holes, the positioning bolt is slidably connected in the mounting hole, and the fixing disc and the connecting disc are connected through the positioning bolt.
[0010] As a further scheme of the utility model, the surface of the positioning bolt is slidably connected with two groups of gaskets, and the surface of the positioning bolt is threadedly connected with two groups of fixing nuts, so that the fixing nuts are rotatably and fixedly installed on the surface of the positioning bolt.
[0011] As a further scheme of the utility model, the surface of the fixing disc and the connecting disc is annularly arranged with a plurality of groups of threaded bases, and the surface of the threaded base is threadedly connected with a protective cap, so that the internal fixing nuts are protected to reduce erosion and improve the service life.
[0012] As a further scheme of the utility model, the surface of the fixing disc and the connecting disc is annularly arranged with a plurality of groups of threaded bases, and the surface of the threaded base is threadedly connected with a protective cap, so that the internal fixing nuts are protected to reduce erosion and improve the service life.
[0013] As a further scheme of the utility model, the surface of the fixing disc and the connecting disc is annularly arranged with a plurality of groups of threaded bases, and the surface of the threaded base is threadedly connected with a protective cap, so that the internal fixing nuts are protected to reduce erosion and improve the service life.
[0014] (Three) beneficial effects
[0015] The utility model provides a kind of hub buckle connecting mechanism, with following beneficial effects:
[0016] 1, the hub buckle connecting mechanism, by the setting of limiting component, when using, connecting sleeve is inserted into the inside of hub body, and then pull screw rod, rotating rod rotates in the clamping groove on fixing disc, so that screw rod is clamped into the clamping groove on connecting disc, and then rotating limiting nut, so that limiting nut is screw thread on the surface of screw rod Rotates, and is extruded on the surface of connecting disc with one side of rotating limiting nut, positions blade root, it is convenient for positioning bolt to aim at installation, to reach the effect of blade positioning installation, ensure stability, while, so that installer can quickly complete the fixing work of blade, reduce installation cost and time.
[0017] 2、The hub buckle connecting mechanism, through the setting of the sealing assembly, when the connecting sleeve is inserted into the hub body, the sealing ring in the connecting sleeve is inserted into the inside of the movable ring, and then the movable ring slides in the hub body, and then the supporting spring on one side of the movable ring extrudes the supporting ring, so that the supporting spring is deformed under stress to generate elastic force, and then reversely pushes the movable ring inserted on the sealing ring, so that the sealing effect of the connecting part is increased, and the safety of the hub buckle connecting mechanism is improved. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is overall structure schematic view of the utility model;
[0019] Figure 2 It is split structure schematic view of the utility model;
[0020] Figure 3 It is limiting assembly structure schematic view of the utility model;
[0021] Figure 4 It is sealing assembly structure schematic view of the utility model;
[0022] Figure 5 It is positioning bolt and fixed nut structure schematic view of the utility model.
[0023] In the drawing: 1, hub body;2, fixed disc;3, limiting assembly;301, rotating rod;302, threaded rod;303, limiting nut;4, supporting ring;5, sealing assembly;501, supporting spring;502, movable ring;503, sealing ring;6, connecting sleeve;7, connecting disc;8, fairing;9, variable pitch bearing;10, positioning bolt;11, gasket;12, fixed nut;13, threaded base;14, protective cap;15, blade root. DETAILED DESCRIPTION
[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.
[0025] Please refer to Figures 1 to 5The utility model provides a technical scheme: a wheel hub buckle connecting mechanism, including three groups wheel hub main part 1, the surface of one end of three groups wheel hub main part 1 is sleeved with fixed disc 2, the surface of fixed disc 2 is annular array rotationally connected with four groups limiting components 3, through the setting of limiting component 3, reach the effect of blade positioning installation, guarantee the stability, can make the installation personnel complete the blade fixed work quickly, reduced installation cost and time, the inside of wheel hub main part 1 is sleeved with support ring 4, one side fixed connection of support ring 4 has sealing component 5, through the setting of sealing component 5, reach the effect of increasing the sealing property of connecting place, prevent rainwater or dust and other impurities from entering and cause internal erosion, improved the security of wheel hub buckle connecting mechanism, the inside of wheel hub main part 1 is inserted with connecting sleeve 6, the surface of connecting sleeve 6 is sleeved with connecting disc 7, limiting component 3 includes rotationally connected on the surface of fixed disc 2 annular array rotation rod 301, the surface of rotation rod 301 is sleeved with threaded rod 302, the outer surface of one end of threaded rod 302 is threadedly connected with limiting nut 303;Sealing component 5 includes fixed connection on one side of support ring 4 several groups support spring 501, one end of support spring 501 is fixedly connected with movable ring 502, one side of movable ring 502 is inserted with sealing ring 503, and sealing ring 503 is sleeved on the inner wall of connecting sleeve 6.
[0026] One side of wheel hub main part 1 is fixedly connected with a fairing 8, and the inner wall of the wheel hub main part 1 is sleeved with a variable pitch bearing 9. Through the setting of the variable pitch bearing 9, the function of ensuring that the fan blades can be accurately adjusted according to the wind speed and the wind direction is achieved.
[0027] A plurality of mounting holes are formed in the surfaces of the fixed disc 2 and the connecting disc 7 in an annular array. A positioning bolt 10 is slidably connected in the mounting hole. Through the setting of the positioning bolt 10, the functions of connecting and fixing the fixed disc 2 and the connecting disc 7 are achieved.
[0028] Two groups of gaskets 11 are slidably connected to the surface of the positioning bolt 10. Two groups of fixed nuts 12 are threadedly connected to the surface of the positioning bolt 10. Through the setting of the fixed nuts 12, the function of rotatingly and fixedly installing on the surface of the positioning bolt 10 is achieved.
[0029] A plurality of threaded bases 13 are fixedly connected to the surfaces of the fixed disc 2 and the connecting disc 7 in an annular array. A protective cap 14 is threadedly connected to the surface of the threaded base 13. Through the setting of the protective cap 14, the functions of protecting the internal fixed nuts 12 from erosion and improving the service life are achieved.
[0030] The surfaces of the fixed disc 2 and the connecting disc 7 are provided with clamping grooves matched with the threaded rods 302. The two sides of the clamping grooves are provided with rotating holes matched with the rotation rods 301. Through the setting of the rotating holes, the function of facilitating the rotation of the rotation rods 301 is achieved.
[0031] One end of the connecting sleeve 6 is fixedly connected with the blade root 15, the material of the protective cap 14 is aluminum alloy material, through the setting of the blade root 15, the effect of connecting and supporting the blade is achieved.
[0032] The model of the threaded rod 302 is M30, the model of the limiting nut 303 is GB52-76 d, the model of the positioning bolt 10 is M36, the model of the fixing nut 12 is GB55-76, and the model of the variable pitch bearing 9 is 1716K3-D, and the above parameters and models can be selected according to actual conditions.
[0033] In the utility model, the working steps of the device are as follows:
[0034] The first step is that, in use, the connecting sleeve 6 is inserted into the hub main body 1, then the threaded rod 302 is pulled, and the rotating rod 301 rotates in the clamping groove on the fixing disc 2, so that the threaded rod 302 is clamped into the clamping groove on the connecting disc 7;
[0035] The second step is that, then, the limiting nut 303 is rotated, so that the limiting nut 303 is screw-threadedly rotated on the surface of the threaded rod 302, and is pressed on the surface of the connecting disc 7 on one side of the rotating limiting nut 303, so as to position the blade root 15, and facilitate the alignment and installation of the positioning bolt 10;
[0036] The third step is that, when the connecting sleeve 6 is inserted into the hub main body 1, the sealing ring 503 in the connecting sleeve 6 is inserted into the inside of the movable ring 502, then the movable ring 502 slides in the hub main body 1, then the supporting spring 501 on one side of the movable ring 502 presses the supporting ring 4, so that the supporting spring 501 is deformed under stress to generate elastic force, and then reversely pushes the movable ring 502 to be inserted on the sealing ring 503.
[0037] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the technical principle of the design, and under the premise that the above-mentioned technical principle of the utility model is understood by the technical personnel in the field, the specific of the power mechanism, the power supply system and the control system can be clearly known, and the control mode of the application file is automatically controlled through the controller, and the control circuit of the controller can be realized through simple programming of the technical personnel in the field;
[0038] The standard parts used can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical parts and equipment adopt the conventional model in the prior art, and the components known by the technical personnel in the field are known or obtained through conventional experimental methods.
[0039] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A wheel hub snap-fit connection mechanism, comprising three sets of wheel hub bodies (1), characterized in that: A fixing disc (2) is fitted onto one end of each of the three sets of hub bodies (1). Four sets of limiting components (3) are rotatably connected to the surface of the fixing disc (2) in a circular array. A support ring (4) is fitted inside the hub body (1). A sealing component (5) is fixedly connected to one side of the support ring (4). A connecting sleeve (6) is inserted inside the hub body (1). A connecting disc (7) is fitted onto the surface of the connecting sleeve (6). The limiting component (3) includes a rotating rod (301) rotatably connected to the surface of the fixed disk (2) in a ring array. A threaded rod (302) is sleeved on the surface of the rotating rod (301). A limiting nut (303) is threadedly connected to the outer surface of one end of the threaded rod (302). The sealing assembly (5) includes several sets of support springs (501) fixedly connected to one side of the support ring (4). One end of the support spring (501) is fixedly connected to a movable ring (502). A sealing ring (503) is inserted into one side of the movable ring (502). The sealing ring (503) is sleeved on the inner wall of the connecting sleeve (6).
2. The hub snap-fit connection mechanism according to claim 1, characterized in that: A fairing (8) is fixedly connected to one side of the hub body (1), and a pitch bearing (9) is sleeved on the inner wall of the hub body (1).
3. The hub snap-fit connection mechanism according to claim 1, characterized in that: The surfaces of the fixed plate (2) and the connecting plate (7) are provided with several sets of mounting holes in a ring array, and the mounting holes are slidably connected with positioning bolts (10).
4. The wheel hub snap-fit connection mechanism according to claim 3, characterized in that: The positioning bolt (10) has two sets of washers (11) slidably connected to its surface, and two sets of fixing nuts (12) are threadedly connected to its surface.
5. The hub snap-fit connection mechanism according to claim 1, characterized in that: The surfaces of the fixed disk (2) and the connecting disk (7) are fixedly connected in a ring array with several sets of threaded bases (13), and the surfaces of the threaded bases (13) are threadedly connected with protective caps (14).
6. The hub snap-fit connection mechanism according to claim 1, characterized in that: The surfaces of the fixed plate (2) and the connecting plate (7) are provided with slots that are compatible with the threaded rod (302), and the sides of the slots are provided with rotating holes that are compatible with the rotating rod (301).
7. The wheel hub snap-fit connection mechanism according to claim 5, characterized in that: One end of the connecting sleeve (6) is fixedly connected to the leaf root (15), and the protective cap (14) is made of aluminum alloy.