CN219455466U - Fan hub overhauls frock - Google Patents

Abstract

The utility model relates to the technical field of fan hub manufacturing, in particular to a fan hub maintenance tool, wherein a mounting hole and a plurality of radial horn mouths are formed in the surface of a hub, the fan hub maintenance tool comprises a maintenance platform, a central body is arranged above the maintenance platform, a plurality of spherical supports are arranged below the maintenance platform, and a first telescopic cylinder is arranged at the movable end of each spherical support. This fan wheel hub overhauls frock carries out the extension or the shrink of different degree through controlling each first telescopic cylinder, alright adjust the spatial position of center body, and center body passes through the top and is connected with wheel hub again, so wheel hub also can shift thereupon, move the face that needs to detect or spray to the working interval in to play the effect of being convenient for adjust wheel hub relative position, further, set up support piece on the maintenance platform, wheel hub's installing port and support piece top touch cooperation, for wheel hub provides the holding power, reduced the load of first telescopic cylinder and the telescopic jar of second, make wheel hub more stable.

Description

Fan hub overhauls frock

Technical Field

The utility model relates to the field of fan hub manufacturing, in particular to a fan hub overhauling tool.

Background

The wind driven generator is a power machine for converting wind energy into mechanical work, and in a broad sense, is a heat energy utilization generator which uses solar micro heat source and uses the atmosphere as a working medium. The wind driven generator utilizes natural energy, has the characteristics of cleanness, environmental protection and recycling, and the main components of the existing fan comprise blades, a variable pitch system, a gear box, a generator, a yaw system, a hub system and a base assembly, wherein the main body part of the hub system is a hub connected with a power generation device shaft, the hub is used for fixing a plurality of blades together and bearing various loads transmitted on the blades, the loads are transmitted to a generator rotating shaft, the hub is formed by fitting a plurality of radial horn mouths, and the real object is shown in figure 5.

The fan type is various, not only is suitable for the small-size fan that the family used, also has the large-size fan that is used for the electric wire netting electricity generation, wherein the overall dimension of large-size fan and its power looks adaptation, for example 1500KW wind wheel diameter 77m, tower height 65m, 2500KW and 3000KW are then wind wheel 90m, tower height 100m, so huge wind wheel just need have a firm wheel hub that can install it for normal work, the wheel hub is the main drive mechanism of wind wheel and generator axis of rotation, so the quality of wheel hub must be effectively guaranteed when making, like structure shape and dimensional accuracy etc. moreover after the wheel hub is accomplished, still need detect its flaw detection and anticorrosive treatment etc. but detection and anticorrosive treatment are all-round operation to wheel hub. When the detection object is the large fan hub, the lifting devices such as a crane or a hammock are required to be matched for operation, after detection or paint spraying is carried out on one position of the hub by detection personnel, the lifting devices are required to be started for position adjustment, then the next step can be carried out, and then the steps are required to be repeated until the overall operation of the hub is completed, the whole detection process is complicated, and the lifting devices are required to be matched in the whole process, so that an overhaul tool convenient for adjusting the position of the fan hub is required to be designed to solve the problems.

Disclosure of Invention

The utility model aims to provide an overhaul fixture which is convenient for carrying out overall operation on a fan hub.

The utility model solves the problems by adopting the following technical scheme: a fan hub overhauls frock, has offered a mounting hole and a plurality of radial horn mouth on the wheel hub surface, including the maintenance platform, the top of maintenance platform is equipped with the center body, the below of maintenance platform is equipped with a plurality of ball-type supports, each the movable end of ball-type support all is equipped with first telescopic cylinder, each the movable end of first telescopic cylinder all is equipped with the member, each the other end of member all articulates has a support, each the other end of support all passes the horn mouth that uniquely corresponds and extends to wheel hub inside and with center body fixed connection, be equipped with a plurality of top pieces that touch the connection with wheel hub inner wall top on the center body to the interval of restriction center body's central point to wheel hub inner wall.

As a preferable scheme of the fan hub overhaul tool, the utility model comprises the following steps: the spherical support comprises a fixed seat arranged below the overhaul stand, a spherical cavity communicated with the outside is formed in the fixed seat, a movable spherical member is arranged in the spherical cavity, and the first telescopic cylinder is fixedly connected with the spherical member through a fastener.

As a preferable scheme of the fan hub overhaul tool, the utility model comprises the following steps: the top piece comprises a second telescopic cylinder fixed on the central body, a top contact piece is arranged at the movable end of the second telescopic cylinder, and an arc-shaped cushion layer is arranged at one end, in contact with the inner wall of the hub, of the top contact piece.

As a preferable scheme of the fan hub overhaul tool, the utility model comprises the following steps: the top contact piece comprises a pipe fixedly connected with the piston end of the second telescopic cylinder, the other end of the pipe is in threaded connection with an adjusting rod, one end of the adjusting rod, which is close to the inner wall of the hub, is fixedly connected with the arc-shaped cushion layer, a first nut is arranged on the side surface of the pipe, and a second nut is arranged on the side surface of the adjusting rod.

As a preferable scheme of the fan hub overhaul tool, the utility model comprises the following steps: the maintenance bench is provided with a supporting piece which provides supporting force pointing to the center point of the hub for the hub, and the surface of the supporting piece is in contact with the mounting opening of the hub.

Compared with the prior art, the utility model has the following advantages and effects:

this fan wheel hub overhauls frock carries out the extension or the shrink of different degree through controlling each first telescopic cylinder, alright adjust the spatial position of center body, and center body passes through the top and is connected with wheel hub again, so wheel hub also can shift thereupon, move the face that needs to detect or spray to the working interval in to play the effect of being convenient for adjust wheel hub relative position, further, set up support piece on the maintenance platform, wheel hub's installing port and support piece top touch cooperation, for wheel hub provides the holding power, reduced the load of first telescopic cylinder and the telescopic jar of second, make wheel hub more stable.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present utility model.

Fig. 2 is a side cross-sectional view of an embodiment of the present utility model.

FIG. 3 is a schematic view showing a hub separated state according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of a top contact according to an embodiment of the present utility model.

Fig. 5 is a schematic structural view of a conventional fan hub.

Wherein: 1. an overhaul stand; 2. a central body; 3. a spherical support; 4. a first telescopic cylinder; 5. a support; 6. a rod piece; 7. a support; 8. a second telescopic cylinder; 9. a top contact; 901. a pipe fitting; 902. an adjusting rod; 903. an arc-shaped cushion layer; 904. a first nut; 905. and a second nut.

Detailed Description

The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.

Referring to fig. 1-5, the embodiment provides a fan hub overhauling tool, the main body of the fan hub is a hollow sphere, a mounting hole and a plurality of radial horn mouths are formed in the surface of the sphere, the number of the common hub surface wave horn mouths is three, the three radial horn mouths are fitted on the sphere, the intervals between the three horn mouths are equal, the grading hub overhauling tool comprises an overhauling table 1, the overhauling table 1 comprises a plate, I-steel is arranged at the bottom of the plate and used as a support of the plate, the plate is separated from the ground, enough gaps are reserved between the plate and the ground, a central body 2 is arranged above the overhauling table 1, the central body 2 comprises but is not limited to the sphere, and a spherical support 3 with the same number as the hub horn mouths is arranged below the overhauling table 1.

Wherein, ball-type support 3 is including setting up the fixing base in maintenance platform 1 below, the fixing base passes through the fastener and is connected with ground or maintenance platform 1, set up the spherical chamber with outside intercommunication in the fixing base, the spherical chamber is incomplete ball-type in fact, its top exposes in the fixing base outside, be equipped with mobilizable spherical part in the spherical chamber, the spherical part is the spheroid, the spherical part can't separate with the fixing base this moment, the spherical part is located the outside one end fixedly connected with first telescopic cylinder 4 of fixing base, first telescopic cylinder 4 can carry out the wide-angle rotation in the certain limit this moment, but the removal region of first telescopic cylinder 4 is restricted by ball-type support 3 again simultaneously.

The rod member 6 is installed at the end of the piston rod in the first telescopic cylinder 4, the support member 7 is connected to one end of the rod member 6 far away from the first telescopic cylinder 4, the support member 7 comprises various linear connecting pieces, the hinge shaft can be conveniently detached and assembled through bolts, the rod member 6 is conveniently separated from the support member 7, the other end of the support member 7 penetrates through a horn mouth corresponding to the rod member and extends to the inside of the hub, one end of the support member 7 located inside the hub is fixedly connected with the surface of the central body 2, the connection relation between the support member and the hub comprises flange connection, a plurality of top members in contact connection with the inner wall of the hub are arranged on the central body 2, and the distance from the central point of the central body 2 to the inner wall of the hub is limited, so that the central body 2 and the hub are connected into a whole.

The top piece comprises second telescopic cylinders 8 fixed on the central body 2, the number of the second telescopic cylinders 8 comprises but is not limited to four, the specific layout positions can be referred to fig. 2, one second telescopic cylinder 8 is arranged at the top of the central body 2, the other three second telescopic cylinders 8 are arranged at the middle of the side face of the central body 2 and are arranged at the lower position, the intervals between every two of the three second telescopic cylinders 8 are equal, the movable end of the second telescopic cylinder 8 is provided with a top contact piece 9, one end of the top contact piece 9, which is contacted with the inner wall of the hub, is provided with an arc cushion layer 903, and the arc cushion layer 903 can be tightly attached and abutted to the arc face of the inner wall of the hub, so that better fixation is realized.

The top contact piece 9 comprises a pipe fitting 901 fixedly connected with a piston end of a second telescopic cylinder 8, an adjusting rod 902 is connected with the other end of the pipe fitting 901 in a threaded manner, one end of the adjusting rod 902, which is close to the inner wall of a wheel hub, is fixedly connected with an arc cushion 903, a first nut 904 is arranged on the side surface of the pipe fitting 901, a second nut 905 is arranged on the side surface of the adjusting rod 902, a user can clamp the adjusting rod 902 and the pipe fitting 901 through tools such as a spanner and the like, so that the arc cushion 903 is further abutted against the inner wall of the wheel hub, the first nut 904 is arranged, when the second nut 905 is screwed, the user needs to clamp the first nut 904 through another spanner tool, so that the pipe fitting 901 does not rotate, and the piston rod of the second telescopic cylinder 8 is prevented from rotating, and the second telescopic cylinder 8 is prevented from being damaged.

The maintenance platform 1 is provided with a supporting piece 5 for providing supporting force pointing to the center point of the hub for the hub, the top surface of the supporting piece 5 is an arc-shaped surface, the radius corresponding to the arc-shaped surface is larger than the radius corresponding to the mounting opening of the hub, and the arc-shaped surface at the top of the supporting piece 5 is in contact with the mounting opening of the hub in a propping manner, so that supporting force pointing to the center of the sphere is provided for the hub.

Before the overhaul fixture is applied, the bolt which plays a role in hinging between the rod piece 6 and the support piece 7 is firstly pulled out to separate the rod piece 6 from the support piece 7, then the hub is hoisted to the position right above the overhaul stand 1 and slowly descends until the mounting opening at the bottom of the hub is in contact with the surface of the support piece 5, the central body 2 is positioned in the hub, then each bolt is reinserted between the corresponding support piece 7 and the rod piece 6, then the second telescopic cylinder 8 is controlled to drive the top piece to extend, the arc cushion layer 903 is abutted against the inner wall of the hub, the hub is mounted on the overhaul fixture at the moment, the hoisting equipment can be separated from the hub, and then when the hub is detected or sprayed, the relative position of the hub is regulated, the central body 2 can be driven to deviate by controlling the first telescopic cylinders 4 at different positions, so that the working surface of the hub is moved to a working area.

The foregoing description of the utility model is merely exemplary of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions, without departing from the scope of the utility model as defined in the accompanying claims.

Claims (5)

1. A fan wheel hub overhauls frock, wheel hub surface has seted up a mounting hole and a plurality of radial horn mouth, its characterized in that: including maintenance platform (1), the top of maintenance platform (1) is equipped with central body (2), the below of maintenance platform (1) is equipped with a plurality of ball-type supports (3), each the movable end of ball-type support (3) all is equipped with first telescopic cylinder (4), each the movable end of first telescopic cylinder (4) all is equipped with member (6), and the other end of member (6) all articulates has branch piece (7), and the other end of each branch piece (7) all passes the horn mouth that uniquely corresponds and extends to inside wheel hub and with central body (2) fixed connection, be equipped with a plurality of top pieces that touch with wheel hub inner wall top on central body (2) to the interval of restriction central body (2) central point to wheel hub inner wall.

2. The fan hub overhaul tooling of claim 1, wherein: the spherical support (3) comprises a fixed seat arranged below the overhaul stand (1), a spherical cavity communicated with the outside is formed in the fixed seat, a movable spherical part is arranged in the spherical cavity, and the first telescopic cylinder (4) is fixedly connected with the spherical part through a fastener.

3. The fan hub overhaul tooling according to claim 1 or 2, wherein: the top piece comprises a second telescopic cylinder (8) fixed on the central body (2), a top contact piece (9) is arranged at the movable end of the second telescopic cylinder (8), and an arc-shaped cushion layer (903) is arranged at one end, in contact with the inner wall of the hub, of the top contact piece (9).

4. A fan hub service fixture according to claim 3, wherein: the top contact piece (9) comprises a pipe fitting (901) fixedly connected with a piston end of a second telescopic cylinder (8), an adjusting rod (902) is connected with the other end of the pipe fitting (901) in a threaded mode, one end, close to the inner wall of a hub, of the adjusting rod (902) is fixedly connected with an arc-shaped cushion layer (903), a first nut (904) is arranged on the side surface of the pipe fitting (901), and a second nut (905) is arranged on the side surface of the adjusting rod (902).

5. The fan hub overhaul tooling of claim 1 or 4, wherein: the maintenance platform (1) is provided with a supporting piece (5) for providing supporting force pointing to the center point of the hub for the hub, and the surface of the supporting piece (5) is in contact with the mounting opening of the hub.