Hoisting device for planetary component

Abstract

The utility model discloses a hoisting device for a planetary part, relates to the technical field of wind power yaw variable-pitch reducers, is used for solving the technical problem of long installation time caused by manual assembly of the planetary part of the yaw variable-pitch reducer in the prior art, and can effectively save the installation time so as to reduce the labor cost. According to the hoisting device for the planetary part, a plurality of kidney-shaped through holes are formed in a dial in the radius direction, and the multiple kidney-shaped through holes are evenly distributed in the circumferential direction of the dial; scales of the dial are located on the side edge of the kidney-shaped through hole. Studs are arranged in the kidney-shaped through holes in a penetrating mode and locked through nuts, and the bottoms of the studs are connected with clamping jaws. A lifting bolt is assembled on the end face, opposite to the clamping jaw, of the dial.

Description

Technical Field

[0001] This utility model relates to the field of wind power yaw and pitch reducer technology, and in particular to a hoisting device for planetary components. Background Technology

[0002] Currently, wind turbine yaw and pitch reducers are an important component of wind turbine generator sets.

[0003] During the installation and maintenance of wind turbine generator sets, due to the large number of yaw and pitch reducers, the existing technology generally involves manually installing the pre-assembled planetary components into the housing during wind turbine reducer assembly, which is time-consuming and labor-intensive, resulting in a long installation time.

[0004] In summary, how to provide a hoisting device for planetary components that can effectively save installation time and labor costs has become a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] The purpose of this utility model is to provide a hoisting device for planetary components, which solves the technical problem that the installation time is long due to the manual assembly of planetary components of yaw and pitch reducers in the prior art. It can effectively save installation time and thus reduce labor costs.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A hoisting device for a planetary component includes: a scale, the scale having a waist-shaped through hole along the radial direction, and the waist-shaped through hole comprising a plurality of holes, the plurality of waist-shaped through holes being evenly distributed along the circumference of the scale; the scale of the scale is located on the side of the waist-shaped through hole.

[0008] The waist-shaped through hole is fitted with a stud and locked with a nut, and the bottom of the stud is connected to a claw; the end face of the dial opposite to the claw is fitted with a lifting eye screw.

[0009] In practical applications, a washer is provided between the nut and the stud.

[0010] The stud has a mounting hole at its bottom end along the axial direction, and a bolt is screwed into the mounting hole to assemble the claw with the stud.

[0011] Specifically, there are two eye screws, and the two eye screws are symmetrically distributed along the axis of the dial.

[0012] Furthermore, the number of waist-shaped through holes is determined based on the number of pins on the planetary carrier.

[0013] Furthermore, the size of the dial and the distribution of the graduations are determined based on the maximum outer circle of the planetary carrier.

[0014] Preferably, the scale is formed by laser printing.

[0015] Furthermore, the pawls of different lengths are installed according to the distance between the two planetary gears.

[0016] Compared with the prior art, the planetary component hoisting device of this utility model has the following advantages:

[0017] In the planetary component hoisting device provided by this utility model, the scale has multiple oblong through holes along the radial direction, and these multiple oblong through holes are evenly distributed around the circumference of the scale. Simultaneously, the scale graduations of the scale are located on the side of the oblong through holes. A stud passes through the oblong through hole and is locked with a nut, and a claw is connected to the bottom of the stud. A lifting eye screw is fitted on the opposite end face of the scale and the claw. Therefore, in use, different sizes of scale, stud, and claw can be selected according to the size of the planetary component, and then the claw and stud can be connected with bolts. Insert the stud through the dial from bottom to top and tighten the nut. When tightening, adjust the stud length according to the thickness of the planetary gears. Finally, screw in the eye bolt and put it into use. When hoisting the reducer components, hang the eye bolt on the hoist hook and lower the assembled hoisting device from the planetary gear spacing according to the angle. Then rotate the hoisting device so that the chuck is at the bottom of the planetary gears for hoisting. After hoisting, rotate the hoisting device to lift it out. Thus, the planetary component hoisting device provided by this utility model can effectively save installation time and reduce labor costs. In other words, the planetary component hoisting device provided by this utility model can effectively improve installation efficiency and save labor costs. Attached Figure Description

[0018] Figure 1 A schematic diagram of the structure of the hoisting device for planetary components provided in an embodiment of this utility model;

[0019] Figure 2 A top view of the hoisting device for planetary components provided in an embodiment of this utility model;

[0020] Figure 3 A bottom view of the hoisting device for planetary components provided in an embodiment of this utility model;

[0021] Figure 4 This is a side view of the hoisting device for planetary components provided in an embodiment of the present invention.

[0022] Figure label:

[0023] 1-Dial; 2-Stud; 3-Nut; 4-Washer; 5-Eye Screw; 6-Claw; 7-Bolt. Detailed Implementation

[0024] For ease of understanding, the hoisting device for planetary components provided in the embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0025] This utility model embodiment provides a hoisting device for planetary components, such as... Figures 1-4 As shown, it includes: a dial 1, the dial 1 having a waist-shaped through hole along the radial direction, and the waist-shaped through hole includes multiple ones, which are evenly distributed along the circumference of the dial 1; the scale of the dial 1 is located on the side of the waist-shaped through hole.

[0026] A stud 2 is inserted through the waist-shaped through hole and locked by a nut 3, and a claw 6 is connected to the bottom of the stud 2; a lifting eye screw 5 is fitted on the end face of the dial 1 opposite to the claw 6.

[0027] Compared with the prior art, the planetary component hoisting device described in this embodiment of the invention has the following advantages:

[0028] In the planetary component hoisting device provided in this embodiment of the utility model, the scale 1 has a multiple oblong through hole along the radial direction, and these multiple oblong through holes are evenly distributed around the circumference of the scale 1. Simultaneously, the scale of the scale 1 is located on the side of the oblong through hole. A stud 2 passes through the oblong through hole and is locked by a nut 3, and a claw 6 is connected to the bottom of the stud 2. A lifting eye screw 5 is fitted on the opposite end face of the scale 1 and the claw 6. Therefore, in use, different sizes of scale 1, stud 2, and claw 6 can be selected according to the size of the planetary component, and then the claw 6 and stud 2 can be connected using bolts 7. Connect the components, then pass the stud 2 through the dial 1 from bottom to top and tighten the nut 3. When tightening, pay attention to adjusting the length of the stud 2 according to the thickness of the planetary gears. Finally, screw in the eye bolt 5 and put it into use. When hoisting the reducer components, hang the eye end of the eye bolt 5 on the crane hook, and lower the assembled hoisting device from the planetary gear spacing according to the angle. Then rotate the hoisting device so that the chuck 6 is located at the bottom of the planetary gears for hoisting. After hoisting, rotate the hoisting device to lift it out. Thus, the planetary component hoisting device provided in this embodiment can effectively save installation time and reduce labor costs. In other words, the planetary component hoisting device provided in this embodiment can effectively improve installation efficiency and save labor costs.

[0029] In practical applications, such as Figures 1-4 As shown, a washer 4 can be provided between the nut 3 and the stud 2; during assembly, nuts 3 can be provided on both the upper and lower end faces of the dial 1, and a washer 4 can be provided between each nut 3 and the dial 1.

[0030] Among them, such as Figures 1-4 As shown, the bottom end of the stud 2 may have a mounting hole along the axial direction, and a bolt 7 may be screwed into the mounting hole to achieve the assembly of the claw 6 and the stud 2.

[0031] Specifically, such as Figures 1-4 As shown, the above-mentioned eye screw 5 may include two, and the two eye screws 5 may be symmetrically distributed along the axis of the dial 1, thus making it more convenient to use.

[0032] Furthermore, such as Figures 1-4 As shown, the number of the aforementioned waist-shaped through holes can be determined based on the number of pins on the planetary carrier.

[0033] Furthermore, such as Figures 1-4 As shown, the size of the dial 1 and the distribution of the scale can be determined based on the maximum outer circle of the planetary carrier.

[0034] Preferably, such as Figures 1-4 As shown, the scale 1 described above can be formed by laser printing.

[0035] Furthermore, such as Figures 1-4 As shown, different lengths of chucks 6 can be installed according to the distance between the two planetary gears.

[0036] Furthermore, such as Figures 1-4 As shown, the threads of the stud 2 can be cut to facilitate installation; and, to prevent assembly difficulties caused by machining errors, an assembly gap of not less than 0.5 mm can be reserved around the stud 2.

[0037] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A hoisting device for planetary components, characterized in that, include: A dial, wherein the dial has a waist-shaped through hole along the radial direction, and the waist-shaped through hole includes a plurality of them, and the plurality of waist-shaped through holes are evenly distributed along the circumference of the dial; the graduations of the dial are located on the side of the waist-shaped through hole. The waist-shaped through hole is fitted with a stud and locked with a nut, and the bottom of the stud is connected to a claw; the end face of the dial opposite to the claw is fitted with a lifting eye screw.

2. The hoisting device for planetary components according to claim 1, characterized in that, A washer is provided between the nut and the stud.

3. The hoisting device for planetary components according to claim 1, characterized in that, The stud has a mounting hole at its bottom end along the axial direction, and a bolt is screwed into the mounting hole to assemble the claw with the stud.

4. The hoisting device for planetary components according to claim 1, characterized in that, The eye screws include two, and the two eye screws are symmetrically distributed along the axis of the dial.

5. The hoisting device for planetary components according to claim 1, characterized in that, The number of waist-shaped through holes is determined according to the number of pins on the planetary carrier.

6. The hoisting device for planetary components according to claim 1, characterized in that, The size of the dial and the distribution of the graduations are determined based on the maximum outer circle of the planetary carrier.

7. The hoisting device for planetary components according to claim 1 or 6, characterized in that, The scale is formed by laser printing.

8. The hoisting device for planetary components according to claim 1, characterized in that, The chucks of different lengths are installed according to the distance between the two planetary gears.

Images