A wind turbine slip ring cold pressing tool

Abstract

The utility model discloses a wind turbine generator slip ring cold pressing tool, comprising a pressing cylinder, a driving cylinder, a pressing plate and a positioning connecting piece, wherein the positioning connecting pieces are respectively connected to a rotating shaft and a pressing plate, the pressing cylinder is sleeved on the positioning connecting piece, the driving cylinder is installed on the pressing plate, the driving end of the driving cylinder is in contact and connection with an end of the pressing cylinder facing the pressing plate, a positioning ring groove is provided at one end of the pressing cylinder away from the pressing plate, and the positioning ring groove is used for positioning contact with the slip ring; the wind turbine generator slip ring cold pressing tool can perform cold pressing assembly on the slip ring, and has high assembly efficiency and assembly precision.

Description

Technical Field

[0001] The utility model relates to the technical field of cold pressing tooling, and more specifically to a cold pressing tooling for a slip ring of a wind turbine generator. Background Art

[0002] As the demand for wind turbines gradually expands, the power of a single motor is getting higher and higher, and the overall structure of the motor is getting larger and larger. To ensure good performance of the motor, different manufacturers have different slip ring selection and requirements in wind turbine design. The heating assembly process for slip rings has a long cycle, which has become a factor affecting the assembly efficiency of wind turbines. Therefore, a cold pressing tooling that can improve the slip ring assembly efficiency is needed. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a wind turbine slip ring cold pressing tooling, which can perform cold pressing assembly on the slip ring, and has high assembly efficiency and assembly precision.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A wind turbine slip ring cold pressing tool comprises a pressing cylinder, a driving cylinder, a pressing plate and a positioning connecting piece, wherein the positioning connecting piece is respectively connected to a rotating shaft and a pressing plate, the pressing cylinder is sleeved on the positioning connecting piece, the driving cylinder is mounted on the pressing plate, the driving end of the driving cylinder is in contact and connection with one end of the pressing cylinder facing the pressing plate, and a positioning ring groove is provided at one end of the pressing cylinder away from the pressing plate, and the positioning ring groove is used for positioning contact with the slip ring.

[0006] Further, the positioning connecting parts are a plurality of screw rods, and the pressure cylinder is provided with a plurality of first through holes extending axially therethrough. One end of the screw rod passes through the first through hole and is threadedly connected to the rotating shaft, and the other end is located at one end of the pressure cylinder facing the pressure plate and is equipped with a first nut.

[0007] Furthermore, a plurality of second through holes are arranged on the pressing plate, and the screw rod is located at one end of the pressing cylinder facing the pressing plate, extends through the second through holes and is equipped with a second nut.

[0008] Furthermore, a contact surface is provided at one end of the pressing cylinder facing the pressing plate, a first groove is provided on the contact surface, a second groove is provided at one end of the pressing plate facing the pressing cylinder, the driving cylinder is installed in the second groove, and a push plate is connected to the driving end of the driving cylinder, and the push plate can extend into the first groove.

[0009] Furthermore, the driving cylinder is a hydraulic cylinder.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model provides a pressing cylinder, a driving cylinder, a pressing plate and a positioning connecting piece, which are positioned and connected to the rotating shaft through the positioning connecting piece, and the pressing cylinder and the sliding sleeve are positioned against each other, and then the pressing cylinder is driven by the driving cylinder to move and press-fit, so that the sliding sleeve can be cold-pressed and press-fitted on the rotating shaft, with high assembly efficiency and precise assembly, and can effectively improve the assembly efficiency compared with the existing heating assembly scheme. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0013] Figure 1 It is a schematic diagram of the assembly of a wind turbine slip ring cold pressing tooling;

[0014] Figure 2 It is a structural schematic diagram of the pressing cylinder;

[0015] Figure 3 It is a structural schematic diagram of the pressing plate;

[0016] Figure 4 for Figure 1 Enlarged view of point A in the middle.

[0017] Marked in the figure are: 1, rotating shaft; 2, slip ring; 3, pressing cylinder; 301, positioning ring groove; 302, first through hole; 303, first groove; 4, driving cylinder; 5, pressing plate; 501, second through hole; 502, second groove; 6, screw; 7, first nut; 8, second nut. DETAILED DESCRIPTION

[0018] In the description of the present invention, it should be noted that directional words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of narrating the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the present invention.

[0019] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first" and "second" features can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "several" and "a number" is two or more, unless otherwise clearly and specifically defined.

[0020] A cold pressing tooling for a wind turbine slip ring 2 comprises a pressing cylinder 3, a driving cylinder 4, a pressing plate 5 and a positioning connecting piece, wherein the positioning connecting pieces are respectively connected to a rotating shaft 1 and a pressing plate 5, the pressing cylinder 3 is sleeved on the positioning connecting piece, the driving cylinder 4 is installed on the pressing plate 5, the driving end of the driving cylinder 4 is in contact and connected with one end of the pressing cylinder 3 facing the pressing plate 5, and a positioning ring groove 301 is provided at one end of the pressing cylinder 3 away from the pressing plate 5, and the positioning ring groove 301 is used for positioning contact with the slip ring 2.

[0021] Preferably in this embodiment, the positioning connecting parts are a plurality of screw rods 6, and a plurality of axially penetrating first through holes 302 are provided on the pressure cylinder 3. One end of the screw rod 6 passes through the first through hole 302 and is threadedly connected to the rotating shaft 1, and the other end is located at one end of the pressure cylinder 3 facing the pressure plate 5 and is equipped with a first nut 7.

[0022] Preferably, in this embodiment, a plurality of second through holes 501 are provided on the pressing plate 5 , and the screw rod 6 is located at one end of the pressing cylinder 3 facing the pressing plate 5 , extends through the second through holes 501 and is equipped with a second nut 8 .

[0023] Preferably, in this embodiment, the end of the pressing cylinder 3 facing the pressing plate 5 is provided with a contact table, and the contact table is provided with a first groove 303, and the end of the pressing plate 5 facing the pressing cylinder 3 is provided with a second groove 502, and the driving cylinder 4 is installed in the second groove 502, and the driving end of the driving cylinder 4 is connected to a push plate, and the push plate can extend into the first groove 303;

[0024] Specifically, through the second groove 502, the driving cylinder 4 can be quickly positioned and installed on the pressure plate 5. Preferably, a threaded hole can be set on the pressure plate 5, and the driving cylinder 4 can be installed by bolts; by setting the first groove 303, the push plate connected to the driving end of the driving cylinder 4 can extend into the first groove 303 to achieve precise pushing.

[0025] Preferably in this embodiment, the driving cylinder 4 is a hydraulic cylinder.

[0026] Tooling process and advantages:

[0027] When cold-pressing the slip ring 2, connect the plurality of screws 6 to the threaded holes at the end of the rotating shaft 1, then sleeve the slip ring 2 onto the end of the rotor, then sleeve the pressing cylinder 3 onto the plurality of screws 6, and fix the pressing cylinder 3 against the slip ring 2 through the positioning ring groove 301, and then lock it with the first nut 7, and finally install the pressing plate 5 onto the plurality of screws 6, and fix and lock it with the second nut 8, and then complete the installation and assembly of the tooling, and then start the hydraulic cylinder to push the pressing cylinder 3 to move, thereby driving the slip ring 2 to be pressed onto the rotating shaft 1, and realizing the cold-pressing assembly of the slip ring 2;

[0028] The utility model provides a pressing cylinder 3, a driving cylinder 4, a pressing plate 5 and a positioning connecting piece, which are positioned and connected to the rotating shaft 1 through the positioning connecting piece, and the pressing cylinder 3 is positioned against the sliding sleeve, and then the driving cylinder 4 drives the pressing cylinder 3 to move and press-fit, so that the sliding sleeve can be cold-pressed and press-fitted on the rotating shaft 1, with high assembly efficiency and precise assembly, which can effectively improve the assembly efficiency compared with the existing heating assembly scheme.

[0029] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A cold pressing tool for a wind turbine slip ring, characterized in that: It includes a pressure cylinder, a driving cylinder, a pressure plate and a positioning connecting piece, wherein the positioning connecting piece is respectively connected to the rotating shaft and the pressure plate, the pressure cylinder is sleeved on the positioning connecting piece, the driving cylinder is installed on the pressure plate, the driving end of the driving cylinder is in contact and connected with one end of the pressure cylinder facing the pressure plate, and a positioning ring groove is provided at one end of the pressure cylinder away from the pressure plate, and the positioning ring groove is used for positioning contact with the slip ring.

2. A wind turbine slip ring cold pressing tooling according to claim 1, characterized in that: The positioning connector is a plurality of screw rods, and the pressure cylinder is provided with a plurality of first through holes that penetrate axially. One end of the screw rod passes through the first through hole and is threadedly connected to the rotating shaft, and the other end is located at one end of the pressure cylinder facing the pressure plate and is equipped with a first nut.

3. A wind turbine slip ring cold pressing tooling according to claim 2, characterized in that: The pressing plate is provided with a plurality of second through holes, and the screw rod is located at one end of the pressing cylinder facing the pressing plate, extends through the second through holes and is equipped with a second nut.

4. A wind turbine slip ring cold pressing tooling according to claim 3, characterized in that: A contact surface is provided on one end of the pressing cylinder facing the pressing plate, and a first groove is provided on the contact surface. A second groove is provided on one end of the pressing plate facing the pressing cylinder. The driving cylinder is installed in the second groove, and a push plate is connected to the driving end of the driving cylinder, and the push plate can extend into the first groove.

5. A wind turbine slip ring cold pressing tooling according to claim 4, characterized in that: The driving cylinder is a hydraulic cylinder.

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