Universal gear grinding clamping tool for wind power planet gear

By designing a universal grinding tool for wind power planet wheels, the combination of bolt connections and adjustment sleeves and tension bolts is used to solve the problems of high cost and inconvenient calibration of planet wheels of different diameters when clamping, achieving universality and efficient clamping.

CN222608248UActive Publication Date: 2025-03-14NANJING AVIS TRANSMISSION TECH
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420948986.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-03-14
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

The existing wind power planetary wheel grinding gear clamping tools require different fixtures to be replaced when clamping planetary wheels of different diameters, which is expensive and inconvenient to correct the table after clamping.

Method used

A general grinding gear clamping tool for wind power planet wheels is designed. Through the bolt connection between the upper end panel and the lower end base, combined with the design of the adjustment sleeve and the tension bolt, the fixing and calibration of workpieces of different diameters is achieved.

Benefits of technology

The versatility of planetary wheel clamping of different diameters is achieved, which reduces costs, and facilitates quick correction of tables through a moveable design, improving clamping efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222608248U_ABST
    Figure CN222608248U_ABST
Patent Text Reader

Abstract

The utility model provides a universal gear grinding clamping tool for a wind power planet gear, which is characterized in that a lower end base is fixedly arranged on a workbench, and a convex wall is arranged at the lower part of the lower end base; the axis fastening screw penetrates through the axis through hole and then is arranged in the axis screw hole in a screwed mode, the peripheral fastening screw penetrates through the peripheral through hole and then is arranged in the peripheral screw hole in a screwed mode, and therefore the upper end panel is fixedly connected to the lower end base. An adjusting sleeve is arranged on the convex wall, a vertical adjusting screw hole is formed in the adjusting sleeve, an adjusting bolt is screwed in the adjusting screw hole, and the top of the adjusting bolt abuts against the lower end face of the upper end panel; a workpiece is placed on the upper end face of the upper end panel, and the diameter of the upper end panel is larger than that of an inner hole of the workpiece and smaller than that of the workpiece. The tensioning bolt penetrates through the tensioning through hole and then is arranged in the tensioning screw hole in a screwed mode, and therefore the workpiece is fixedly connected to the upper end panel. According to the utility model, a meter calibration position can be kept away after clamping, rapid alignment is facilitated, and the tool is high in universality and low in cost.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of tooling, in particular to a universal gear grinding clamping tooling for wind power planetary gears. Background Art

[0002] Wind power generation has developed rapidly in recent years due to its advantages such as zero pollution and low construction cost.

[0003] There are many types of planetary gears in wind turbine gearboxes. Various situations will be encountered when grinding and clamping the planetary gears. Planetary gears of different diameters need to be replaced with different fixtures, which is costly and inconvenient to calibrate after clamping. Utility Model Content

[0004] The utility model provides a universal gear grinding clamping tool for wind power planetary gears, which aims to solve the shortcomings of the prior art, so that the calibration position can be left open after clamping, which is convenient and quick to align, and the tooling has strong versatility and low cost.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A universal gear grinding clamping tool for wind power planetary gears, characterized by:

[0007] The lower base is fixedly installed on the workbench, and the lower part of the lower base is provided with a convex wall;

[0008] The axial set screw passes through the axial through hole provided in the upper end panel and is screwed into the axial screw hole provided in the upper end surface of the lower end base, and the peripheral set screw passes through the peripheral through hole provided in the upper end panel and is screwed into the peripheral screw hole provided in the upper end surface of the lower end base, so that the upper end panel is fixedly connected to the lower end base;

[0009] A plurality of adjustment sleeves are evenly distributed on the convex wall relative to the axial circumference of the lower end base, and the adjustment sleeves are provided with vertical adjustment screw holes, and the adjustment bolts are screwed in the adjustment screw holes, and the tops of the adjustment bolts are pressed against the lower end surface of the upper end panel;

[0010] The workpiece is placed on the upper end surface of the upper end panel, and the diameter of the upper end panel is larger than the inner hole diameter of the workpiece and smaller than the diameter of the workpiece;

[0011] The tension bolt passes through the tension through hole provided in the upper end panel and is screwed into the tension screw hole provided in the lower end surface of the workpiece, so that the workpiece is fixedly connected to the upper end panel.

[0012] A four-jaw chuck is fixed on the working table of the machine tool, and the lower end base is clamped by the four-jaw chuck and fixedly installed on the working table.

[0013] There are 4 peripheral screw holes which are evenly distributed around the axis of the lower end base, and there are 4 peripheral through holes which are evenly distributed around the axis of the upper end panel.

[0014] There are two tensioning through holes which are symmetrical with respect to the axis of the upper end panel; there are two tensioning screw holes which are symmetrical with respect to the axis of the workpiece.

[0015] The utility model is beneficial in that:

[0016] 1: The upper panel and the lower base are connected together by bolts. Panels of different diameters can be selected to meet the needs of workpieces of different diameters, which not only saves costs but also expands the clamping range of tooling;

[0017] 2: The upper end panel and the workpiece are fastened and fixed by tightening bolts after the end faces are fitted together, which can make way for the lower end face reference and inner hole reference of the workpiece, calibrate and align, and improve the clamping efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 It is a cross-sectional schematic diagram of the utility model. DETAILED DESCRIPTION

[0020] In order to more clearly illustrate the technical solution of the utility model, the following will briefly introduce the drawings required for the description. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other embodiments can be obtained based on these drawings without creative work. In order to facilitate the understanding of the utility model, the following will be combined with the drawings and specific embodiments to explain the utility model in more detail.

[0021] It should be noted that when an element is described as being "fixed to" another element, it can be directly on the other element, or one or more centered elements can exist between them. When an element is described as being "connected" to another element, it can be directly connected to the other element, or one or more centered elements can exist between them. The terms "upper", "lower", "inner", "outer", "bottom", etc. used in this specification indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0022] like Figure 1 As shown:

[0023] A four-jaw chuck 9 is fixed on the working table of the machine tool.

[0024] The lower part of the lower base 5 has a convex wall 50, and the lower base 5 is clamped by a four-jaw chuck 9 and fixedly installed on the workbench.

[0025] The upper end surface of the lower base 5 is provided with an axial screw hole 51 and four peripheral screw holes 52 evenly distributed around the circumference of the axis.

[0026] The upper end panel 1 is placed on the upper end surface of the lower end base 5. The upper end panel 1 is provided with an axial through hole 11 and four peripheral through holes 12 evenly distributed around the circumference of the axis.

[0027] The axial set screw 7 passes through the axial through hole 11 and is screwed into the axial screw hole 51 , and the four peripheral set screws 8 pass through the peripheral through holes 12 and are screwed into the peripheral screw holes 51 , so that the upper end panel 1 is fixedly connected to the lower end base 5 .

[0028] Four adjustment sleeves 4 are evenly distributed on the convex wall 50 relative to the axial circumference of the lower end base 5. The adjustment sleeves 4 are provided with vertical adjustment screw holes 41. The adjustment bolts 2 are screwed in the adjustment screw holes 41. The tops of the adjustment bolts are against the lower end surface of the upper end panel 1.

[0029] The upper panel 1 is provided with two tightening through holes 53 which are symmetrical with respect to the axis.

[0030] The lower end surface of the planetary gear, ie, the workpiece 6, is provided with two tightening screw holes 63 which are symmetrical with respect to the axis.

[0031] The workpiece 6 is placed on the upper end surface of the upper end panel 1 , and the diameter of the upper end panel 1 is larger than the inner hole diameter of the workpiece 6 and smaller than the diameter of the workpiece 6 .

[0032] The tensioning bolt 2 passes through the tensioning through hole 53 and is screwed into the tensioning screw hole 63 , so that the workpiece 6 is fixedly connected to the upper end panel 1 .

[0033] In this way, compared with the fixture of the prior art, the lower end surface area of ​​the workpiece 6 from the outer periphery of the upper end panel 1 to the outer periphery of the workpiece 6 can be used for alignment by the dial indicator 92. Compared with the fixture of the prior art, the inner hole of the workpiece 6 is also left open and can be aligned by the dial indicator 91.

[0034] The use process of this utility model tooling:

[0035] 1: The four-jaw chuck 9 is clamped, aligned and fixed to the workbench;

[0036] 2: Place the lower base 5 onto the four-claw clamp 9 and clamp it;

[0037] 3: The upper panel 1 is placed on the upper end surface of the lower base 5, and the adjustment bolt 3 and the adjustment sleeve 4 combination are placed between the upper panel 1 and the lower base 5;

[0038] 4: Lift the workpiece 6 horizontally to the upper panel 1, align the screw hole 63 on the lower end surface of the workpiece 6 with the waist groove 13 of the upper panel 1, tighten the tightening screw 2, and tighten;

[0039] 5: By adjusting the adjusting bolt 3 and the adjusting sleeve 4, the upper end panel 1 and the connected workpiece 6 are spatially displaced together, so that the center reference of the workpiece 6 is aligned with the dial indicator 91 and the dial indicator 92;

[0040] 6: Fix the upper panel 1 and the lower base 5 together by tightening the axial set screws 7 and the peripheral set screws 8;

[0041] 7: Processing workpiece 6.

[0042] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same and similar parts between the embodiments can be referred to each other. The above description of the disclosed embodiments enables professionals and technicians in this field to implement or use the utility model. Various modifications to these embodiments will be obvious to professionals and technicians in this field, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to the embodiments shown herein, but will conform to the widest range consistent with the principles and novel features disclosed herein.

Claims

1. A universal gear grinding clamping tool for wind power planetary gears, characterized by: The lower end base is fixedly installed on the workbench, and the lower part of the lower end base is provided with a convex wall; the axial locking screw passes through the axial through hole provided in the upper end panel and is screwed into the axial screw hole provided in the upper end surface of the lower end base, and the peripheral locking screw passes through the peripheral through hole provided in the upper end panel and is screwed into the peripheral screw hole provided in the upper end surface of the lower end base, so that the upper end panel is fixedly connected to the lower end base; a number of adjustment sleeves are evenly distributed on the convex wall relative to the axial circumference of the lower end base, and the adjustment sleeve is provided with a vertical adjustment screw hole, and the adjustment bolt is screwed in the adjustment screw hole, and the top of the adjustment bolt is against the lower end surface of the upper end panel; the workpiece is placed on the upper end surface of the upper end panel, and the diameter of the upper end panel is larger than the inner hole diameter of the workpiece and smaller than the diameter of the workpiece; the tensioning bolt passes through the tensioning through hole provided in the upper end panel and is screwed into the tensioning screw hole provided in the lower end surface of the workpiece, so that the workpiece is fixedly connected to the upper end panel.

2. A universal gear grinding fixture for wind power planetary gears as claimed in claim 1, characterized in that: A four-jaw chuck is fixed on the working table of the machine tool, and the lower end base is clamped by the four-jaw chuck and fixedly installed on the working table.

3. The universal gear grinding fixture for wind power planetary gears according to claim 1, characterized in that: There are 4 peripheral screw holes which are evenly distributed around the axis of the lower end base, and there are 4 peripheral through holes which are evenly distributed around the axis of the upper end panel.

4. The universal gear grinding fixture for wind power planetary gears according to claim 1, characterized in that: There are two tensioning through holes which are symmetrical with respect to the axis of the upper end panel; there are two tensioning screw holes which are symmetrical with respect to the axis of the workpiece.