Auxiliary rotating device

Abstract

The utility model discloses an auxiliary rotating device, which comprises a gear motor and a torque sensor, the gear motor is connected with one end of the torque sensor, the other end of the torque sensor is connected with a cross slider through a cross slider shaft, the cross slider is connected with a chuck support, a chuck is arranged on the chuck support, and the chuck is connected with the cross slider through a cross slider shaft. The chuck is connected with a rotating disc through a bearing, and when the gear motor works, the rotating disc can be driven to rotate through the torque sensor, the crosshead shoe shaft, the crosshead shoe, the chuck support and the chuck. The auxiliary rotating device provided by the utility model can provide rotating power for the collecting ring to simulate a field rotating environment, can provide rotating power with larger torque, and is provided with the torque sensor, so that torque transmission fluctuation can be detected in real time.

Description

Technical Field

[0001] The utility model relates to the technical field of machinery, in particular to an auxiliary rotating device. Background Art

[0002] The yaw collector ring of a wind turbine is a high-power rotating power transmission mechanism, which is mainly used in the field of wind power generation. Its components include collector ring stator, stator side junction box, collector ring rotor, rotor side junction box and related accessories. Its main function is to transmit the power of the generator in a synchronous rotation or static state with the yaw of the unit under the premise that the incoming and outgoing cables on both sides of the stator and rotor are fixedly laid. Before the collector ring is put into use, it needs rotational power to simulate the on-site rotation environment, rotate repeatedly, and monitor the torque transmission fluctuation, which requires a reliable auxiliary rotation device to achieve. Utility Model Content

[0003] One purpose of the utility model is to provide an auxiliary rotation device, which provides rotational power for a collector ring to simulate a field rotation environment and monitors torque transmission fluctuations at the same time.

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

[0005] An auxiliary rotation device includes a reduction motor and a torque sensor, wherein the reduction motor is connected to one end of the torque sensor, and the other end of the torque sensor is connected to a cross slider via a cross slider shaft, and the cross slider is connected to a chuck holder, on which a chuck is provided, and the chuck is connected to a rotating disk via a bearing. When the reduction motor is working, the rotating disk can be driven to rotate via the torque sensor, the cross slider shaft, the cross slider, the chuck holder, and the chuck.

[0006] Furthermore, the device also includes a bracket, which is a rectangular frame composed of several profiles connected end to end, the profiles include a top profile, a supporting profile and a bottom profile, the top profile and the bottom profile are arranged opposite to each other, and the supporting profile is connected between the top profile and the bottom profile.

[0007] Furthermore, the device also includes a bottom plate, which is connected to the bottom profile, and the reduction motor is fixed on the bottom plate, and the reduction motor is located at the center of the bottom surface of the bracket.

[0008] Furthermore, a sensor bracket is provided outside the torque sensor, and the sensor bracket is fixedly connected to the reduction motor.

[0009] Furthermore, the device also includes a top plate, which is fixedly mounted on the top profile by a plurality of fixing members, and a through hole is provided in the middle of the top plate, and the inner diameter of the through hole is equal to the outer diameter of the bearing.

[0010] Furthermore, the device also includes a right-angle limit plate, and there are four right-angle limit plates in total. The four right-angle limit plates are respectively arranged at the four right angles formed by the top profile.

[0011] Furthermore, the material of the profile is any one of aluminum alloy, magnesium aluminum alloy, copper, and stainless steel.

[0012] Furthermore, the rotating disk is provided with a plurality of assembly positioning holes, and the assembly positioning holes are used for assembling the device under test.

[0013] Furthermore, the reduction motor is specifically a spiral bevel gear reduction motor.

[0014] Therefore, the utility model has the following beneficial effects:

[0015] An auxiliary rotating device of the utility model can provide rotating power for the collector ring to simulate the on-site rotating environment, and can provide rotating power with a large torque. At the same time, the device is equipped with a torque sensor, which can detect torque transmission fluctuations in real time.

[0016] The utility model device is equipped with a cross slide block to transfer torque, and has low requirements on the concentricity of the equipment.

[0017] The spiral bevel gear reduction motor of the utility model device supports frequency modulation and can realize repeated positive and negative rotation.

[0018] The rotating disk of the utility model device is provided with assembly positioning holes, so that the tested equipment can be assembled quickly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the auxiliary rotating device of the utility model;

[0020] Figure 2 It is a side view of the auxiliary rotating device of the utility model;

[0021] Figure 3 It is a top view of the auxiliary rotating device of the utility model;

[0022] Figure 4 It is a schematic diagram of the structure of the device after the top plate is hidden;

[0023] Figure 5 This is a side view of the device with the top plate and bracket hidden;

[0024] Figure 6 yes Figure 3 AA section view shown;

[0025] Figure 7 This is a schematic diagram of the support structure of the auxiliary rotating device of the utility model;

[0026] Figure 8 It is a schematic diagram of the top plate structure of the auxiliary rotating device of the utility model.

[0027] In the figure: 1. bracket; 2. bottom plate; 3. top plate; 4. reduction motor; 5. rotating disk; 6. chuck; 7. torque sensor; 8. sensor bracket; 9. cross slider shaft; 10. fixing part; 11. cross slider; 12. chuck support; 13. bearing; 14. top profile; 15. supporting profile; 16. bottom profile; 17. assembly positioning hole; 18. through hole; 19. right-angle limit plate. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] like Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 As shown, an auxiliary rotation device includes a reduction motor 4 and a torque sensor 7. The reduction motor 4 is connected to one end of the torque sensor 7. The other end of the torque sensor 7 is connected to a cross slider 11 through a cross slider shaft 9. The cross slider 11 is connected to a chuck holder 12. A chuck 6 is provided on the chuck holder 12. The chuck 6 is connected to a rotating disk 5 through a bearing 13. When the reduction motor 4 is working, the rotating disk 5 can be driven to rotate through the torque sensor 7, the cross slider shaft 9, the cross slider 11, the chuck holder 12, the chuck 6, and the bearing 13.

[0031] An auxiliary rotation device of the utility model can provide rotational power for the collector ring to simulate the on-site rotation environment, and can provide rotational power with a large torque. At the same time, the device is equipped with a torque sensor 7, which can detect torque transmission fluctuations in real time.

[0032] The reduction motor 4 is fixed at the center of the frame, and a torque sensor bracket 8 is provided above it, in which the sensor is placed. A chuck 6 is provided at the top, and is connected to the sensor by a cross slider 11. The cross slider 11 is pressed on the sensor bracket 8 with a thrust ball bearing.

[0033] The utility model device is equipped with a cross slide block 11 to transfer torque, and has low requirements on the concentricity of the device.

[0034] The device also includes a bracket 1, which is a rectangular frame composed of several profiles connected end to end. The profiles include a top profile 14, a supporting profile 15 and a bottom profile 16. The top profile 14 and the bottom profile 16 are arranged opposite to each other, and the supporting profile 15 is connected between the top profile 14 and the bottom profile 16.

[0035] Specifically, Figure 7 As shown, there are four top profiles 14, four support profiles 15, and four bottom profiles 16. The four top profiles 14 form a rectangle, and the corresponding four bottom profiles 16 also form a rectangle of the same size. The four support profiles 15 are connected to the right angles of the rectangle formed by the top profiles 14 and the right angles of the rectangle formed by the bottom profiles 16. The top profiles 14, the support profiles 15 and the bottom profiles 16 form a rectangular frame.

[0036] like Figure 1 As shown, the device also includes a bottom plate 2, which is connected to the bottom profile 16, and a reduction motor 4 is fixed on the bottom plate 2, and the reduction motor 4 is located at the center of the bottom surface of the bracket 1.

[0037] Specifically, Figure 1 As shown, the length of the bottom plate 2 is the same as the length of the bottom profile 16 , so that the bottom plate 2 can be connected to the bottom profile 16 .

[0038] As an implementation method, Figure 1 As shown, the width of the bottom plate 2 is smaller than the length of the bottom profile 16. Specifically, the width of the bottom plate 2 may be one third of the length of the bottom profile 16. The shape of the floor is a rectangle.

[0039] As an implementation manner, the width of the bottom plate 2 is equal to the length of the bottom profile 16 , that is, the area of ​​the bottom plate 2 is equal to the area of ​​the rectangle surrounded by the bottom profile 16 .

[0040] That is to say, the size, area and shape of the base plate 2 are not fixed. Any size, area and shape of the base plate 2 that can connect the base plate 2 to the bottom profile 16 and the reduction motor 4 can be fixedly installed on the base plate 2 is within the protection scope of the present utility model.

[0041] like Figure 2 , Figure 5 and Figure 6 As shown, a sensor bracket 8 is provided outside the torque sensor 7 , and the sensor bracket 8 is fixedly connected to the reduction motor 4 .

[0042] The torque sensor 7 and the sensor bracket 8 are arranged above the reduction motor 4 .

[0043] like Figure 8 As shown, the device further comprises a top plate 3 , which is fixedly mounted on a top profile 14 via a plurality of fixing members 10 , and a through hole 18 is provided in the middle of the top plate 3 .

[0044] like Figure 8 As shown, the through hole 18 is circular in shape, and the inner diameter of the through hole 18 is equal to the outer diameter of the bearing 13 .

[0045] like Figure 7 As shown, the device also includes a right-angle limit plate 19 , and there are four right-angle limit plates 19 . The four right-angle limit plates 19 are respectively arranged at the four right angles formed by the top profile 14 .

[0046] The right-angle limit plate 19 is used to limit the position of the top plate 3, so that the top plate 3 can be installed more accurately and quickly when the auxiliary rotating device is assembled.

[0047] As an implementation mode, the four right angles formed by the four right-angle limiting plates 19 and the top profile 14 are fixedly connected by welding.

[0048] As an implementation mode, the four right angles formed by the four right-angle limiting plates 19 and the top profile 14 are fixedly connected by means of snap connection.

[0049] Specifically, the material of the profile constituting the bracket 1 is any one of aluminum alloy, magnesium aluminum alloy, copper, and stainless steel.

[0050] like Figure 3 As shown, the rotating disk 5 is provided with a plurality of assembly positioning holes 17, and the assembly positioning holes 17 are used for assembling the device under test.

[0051] Specifically, the assembly positioning holes 17 are evenly distributed on the rotating disk.

[0052] As an implementation method, Figure 3 As shown, there are three assembly positioning holes 17 , which are evenly distributed around the edge of the rotating disk 5 .

[0053] As an implementation manner, there are four assembly positioning holes 17 , which are evenly distributed around the edge of the rotating disk 5 .

[0054] As an implementation manner, there are six assembly positioning holes 17 , which are evenly distributed around the edge of the rotating disk 5 .

[0055] That is to say, the number of assembly positioning holes 17 is not fixed, and any number of assembly positioning holes 17 that can effectively assemble and fix the device under test is within the protection scope of the present utility model.

[0056] The rotating disk 5 of the device of the utility model is provided with assembly positioning holes 17, which can quickly assemble the device to be tested.

[0057] Specifically, the device under test is a yaw collector ring of a wind turbine.

[0058] Specifically, the reduction motor 4 is a spiral bevel gear reduction motor 4. The spiral bevel gear reduction motor 4 of the device of the utility model supports frequency modulation and can achieve repeated forward and reverse rotation.

[0059] When using the auxiliary rotating device of the utility model, first assemble the yaw collector ring of the wind turbine onto the rotating disk 5, then start the reduction motor 4, and the reduction motor 4 transmits power through the torque sensor 7, the cross slider shaft 9, the cross slider 11, the chuck support 12, and the chuck 6 to drive the rotating disk 5 to rotate, thereby driving the collector ring assembled on the rotating disk 5 to rotate, thereby simulating the on-site rotation environment of the collector ring. During the operation of the device, the torque sensor 7 monitors the torque transmission fluctuation in real time.

[0060] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0061] It is not difficult for those skilled in the art to understand that the utility model includes any combination of the utility model content and the specific implementation method part of the above specification and the various parts shown in the drawings. Due to the limited space and to make the specification concise, the various schemes composed of these combinations are not described one by one. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0062] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An auxiliary rotating device, characterized in that: It includes a reduction motor and a torque sensor, the reduction motor is connected to one end of the torque sensor, the other end of the torque sensor is connected to a cross slider via a cross slider shaft, the cross slider is connected to a chuck holder, a chuck is provided on the chuck holder, and the chuck is connected to a rotating disk via a bearing. When the reduction motor is working, the rotating disk can be driven to rotate via the torque sensor, the cross slider shaft, the cross slider, the chuck holder, the chuck and the bearing.

2. An auxiliary rotation device according to claim 1, characterized in that: The device also includes a bracket, which is a rectangular frame composed of several profiles connected end to end. The profiles include a top profile, a supporting profile and a bottom profile. The top profile and the bottom profile are arranged opposite to each other, and the supporting profile is connected between the top profile and the bottom profile.

3. An auxiliary rotation device according to claim 2, characterized in that: The device also includes a bottom plate, which is connected to the bottom profile. The reduction motor is fixed on the bottom plate, and the reduction motor is located at the center of the bottom surface of the bracket.

4. The auxiliary rotation device according to claim 1, characterized in that: A sensor bracket is disposed outside the torque sensor, and the sensor bracket is fixedly connected to the reduction motor.

5. The auxiliary rotation device according to claim 2, characterized in that: The device also includes a top plate, which is fixedly mounted on the top profile through a plurality of fixing members. A through hole is provided in the middle of the top plate, and the inner diameter of the through hole is equal to the outer diameter of the bearing.

6. An auxiliary rotation device according to claim 2, characterized in that: The device also includes a right-angle limit plate, and there are four right-angle limit plates in total. The four right-angle limit plates are respectively arranged at the four right angles formed by the top profile.

7. An auxiliary rotation device according to claim 2, characterized in that: The material of the profile is any one of aluminum alloy, magnesium aluminum alloy, copper and stainless steel.

8. The auxiliary rotation device according to claim 1, characterized in that: The rotating disk is provided with a plurality of assembly positioning holes, and the assembly positioning holes are used for assembling the device under test.

9. An auxiliary rotation device according to any one of claims 1 to 8, characterized in that: The reduction motor is specifically a spiral bevel gear reduction motor.

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