CN217619121U

CN217619121U - Auxiliary tool for machining inclined hole of wind power gear box body

Info

Publication number: CN217619121U
Application number: CN202221545223.2U
Authority: CN
Inventors: 黄正廷; 吴伟强; 傅旸; 李靖
Original assignee: Nanjing Avis Transmission Technology Co ltd
Current assignee: Nanjing Avis Transmission Technology Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-10-21
Anticipated expiration: 2032-06-20

Abstract

The utility model provides an auxiliary fixtures of wind-powered electricity generation gear box inclined hole processing usefulness, its characterized in that: the tooling flange comprises a flange end face and a flange neck, and more than two radial threaded holes which are uniformly distributed on the circumference are formed in the flange neck; an inclined through hole is formed in the flange end face of the tool flange, and corresponds to an inclined hole required to be machined in the box body in position and has the same inclination angle; the flange neck of the tool flange is inserted into the bearing hole of the box body, the flange end face of the tool flange is in end face contact with the bearing hole of the box body, the tool bolt is screwed into the threaded hole in the flange neck and penetrates through the threaded hole, and the bottom of the tool bolt is in contact with the inner wall of the bearing hole of the box body, so that the tool flange is fixed on the box body. The utility model provides a simple to use, easy dismounting, availability factor height, it is with low costs, the frock that the processing of the wind-powered electricity generation gear box inclined hole that the commonality is strong was used.

Description

Auxiliary tool for machining inclined hole of wind power gear box body

Technical Field

The utility model belongs to the technical field of the frock and specifically relates to an adjustable frock of wind-powered electricity generation gear box planet carrier processing usefulness.

Background

Wind power generation has been developed rapidly in recent years due to its advantages of no pollution, low construction cost, and the like. The gearbox bears the acting force from the wind wheel and the counter force generated during gear transmission, and has enough rigidity to bear the action of the force and the moment, and the design of the gearbox body is carried out according to the requirements of layout arrangement, processing and assembly conditions, convenience in inspection, maintenance and the like of the power transmission of the wind turbine generator. Therefore, the processing quality and the processing efficiency of the gearbox body are particularly critical, the processing difficulty of the box body is the greatest in all structural parts of the wind power gearbox, most of contents such as a bearing hole, a joint surface and a through hole of the box body can be directly processed and finished on a horizontal processing center, but part of the contents requiring processing cannot be directly processed and finished on the processing center at one time due to the structure of the box body or the reasons such as interference, new tools need to be added again for two times, and the processing can be carried out after the clamping and fixing are carried out for two times, so that the time and the labor are consumed, and the productivity of a machine tool is wasted.

At present when processing wind-powered electricity generation gear box inclined hole, according to the angle of inclined hole, need carry out the bed hedgehopping with one side of wind-powered electricity generation gear box, box ring gear face bed hedgehopping angle will be unanimous with the angle that the box required processing inclined hole, can only process on the lathe through the mode with bed hedgehopping piece bed hedgehopping box ring gear face, need compress tightly the box fixed before processing on the lathe, prevent that the part from removing at the in-process of processing. The process of raising and pressing the box body usually consumes a long time, wastes the production energy of a machine tool, and causes higher processing cost of parts.

And because the inclined hole angle of different model wind-powered electricity generation gear box bodies may be different, so meet the inclined hole of different angles at every turn, need make the bed hedgehopping piece of various not co-altitude, lead to the cost of frock to be on the high side.

SUMMERY OF THE UTILITY MODEL

The utility model provides an auxiliary fixtures of wind-powered electricity generation gear box inclined hole processing usefulness, its purpose solves prior art's shortcoming, provides simple to use, easy dismounting, availability factor height, and is with low costs, the frock that the processing of the wind-powered electricity generation gear box inclined hole that the commonality is strong used.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an auxiliary fixtures that wind-powered electricity generation gear box inclined hole processing was used which characterized in that:

the tooling flange comprises a flange end face and a flange neck, and more than two radial threaded holes which are uniformly distributed on the circumference are formed in the flange neck;

an inclined through hole is formed in the flange end face of the tool flange, and corresponds to an inclined hole required to be machined in the box body in position and has the same inclination angle;

the flange neck of the tool flange is inserted into the bearing hole of the box body, the flange end face of the tool flange is in end face contact with the bearing hole of the box body, the tool bolt is screwed into the threaded hole in the flange neck and penetrates through the threaded hole, and the bottom of the tool bolt is in contact with the inner wall of the bearing hole of the box body, so that the tool flange is fixed on the box body.

The inner diameter of the inclined through hole on the flange end face of the tool flange is larger than the diameter of the inclined hole required to be processed on the box body.

The cyclotomic size of the inclined through hole on the flange end face of the tooling flange is smaller than the cyclotomic size of the inclined hole required to be processed on the box body.

The outer diameter of a flange journal of the tool flange is 5-10mm smaller than the inner diameter of the bearing hole.

The flange end face of the tooling flange is smaller than the area of the end face of the bearing hole.

The thickness of the flange end face of the tooling flange is more than 20mm.

The total thickness of the tool flange is larger than half of the axial size of the bearing hole of the box body.

The tool bolt is made of copper.

The utility model discloses an useful part lies in:

this frock is direct with an integral flange formula frock, and the frock can disect insertion to the dead eye of box, and radial opening of this frock has two screw thread through-holes, and through two radial bolts of upper setting, the fixed frock in head and the box dead eye direct contact back of bolt can be applicable to the processing of the inclined hole of the dead eye terminal surface in different apertures, and the commonality is stronger. The mounting structure is simple, and the processing and the manufacturing are easy; the dismounting is convenient, and other workpiece clamping tools are not needed. In addition, when the tool is used for machining the inclined hole of the end face of the box body, the gear ring face of the box body does not need to be heightened on a machine tool and then machined, the angle of the inclined hole of the end face of the bearing hole of the box body can be guaranteed through the tool, the electric hand drill can be used for machining manually, the cost of the heightening block tool is saved, the cost is saved, and the efficiency is higher.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

FIG. 1 is a front view of a workpiece box with an inclined hole on the end face of a bearing hole of the box body;

FIG. 2 is a front view of the tooling after it is installed on the box;

FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;

FIG. 4 is a partial sectional view B-B of FIG. 2;

FIG. 5 is a front view of the tool;

fig. 6 is a cross-sectional view of the tooling.

Detailed Description

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained according to the drawings without inventive labor. In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments.

The utility model provides an auxiliary fixtures that is used for processing of wind-powered electricity generation gear box inclined hole to use.

As shown in fig. 1:

more than two inclined holes 5 to be processed on the bearing hole end surface 11 of the box body 1 are arranged on the bearing hole end surface 11 of the box body 1 near the bearing hole 10. And the two or more inclined holes 5 are located on a circle centered on the axial center of the bearing hole 10.

As shown in fig. 2, 3, 4, 5, and 6:

the tooling flange 3 comprises a flange end face 31 and a flange neck 32, and more than two radial threaded holes 33 which are uniformly distributed on the circumference are processed on the flange neck 32 in a forward mode.

The flange end face 31 of the tool flange 3 is provided with an inclined through hole 6 with a certain inclination angle in advance, and the inclined through hole 6 corresponds to the position of the inclined hole 5 required to be processed on the box body 1, namely: the inclined angle of the inclined through holes 6 on the flange end face 31 of the tool flange 3 is consistent with the angle of the inclined holes 5 required to be processed on the box body 1, and the distribution angle of the inclined through holes 6 on the flange end face 31 of the tool flange 3 is also consistent with the distribution angle of the inclined holes 5 required to be processed on the box body 1.

The flange neck 32 of frock flange 3 inserts dead eye 10, the flange end face 31 of frock flange 3 and the dead eye terminal surface 11 contact of box 1, frock bolt 4 is twisted screw hole 33 on the flange neck 32 in and is passed screw hole 33, come the bottom of control frock bolt 4 and the inner wall contact of dead eye 10 of box 1 through the frock bolt 4 of screwing up two equipartitions, play the effect of fixed stay, the flange end face 31 of control frock flange 3 and the dead eye terminal surface 11 contact back of box 1, after screwing up frock bolt 4, frock flange 3 has just been fixed on box 1.

After the tool flange 3 is installed and fixed, the machined inclined through hole 6 is lifted upwards on the flange end face 31 of the tool flange 3, so that a guiding effect can be provided for the electric hand drill bit 7. In addition, the inner diameter of the inclined through hole 31 on the flange end face 31 of the tool flange 3 can be slightly larger than the diameter of the inclined hole 5 to be processed on the box body 1, so that the drill bit 7 of the electric hand drill can smoothly penetrate through the inclined through hole 31 on the flange end face 31 of the tool flange 3.

As shown in fig. 5 and 6:

the dimension a is the inner diameter of the inclined through hole 6 processed before the flange end face 31 of the tool flange 3 is lifted, and the inner diameter dimension is slightly larger than the diameter of the inclined hole 5 required to be processed on the box body 1.

Dimension B is the angle of the angled through-hole 6 relative to the perpendicular bisector of the bearing bore 10, which is consistent with the angle of the angled hole 5 relative to the perpendicular bisector of the bearing bore 10.

The dimension C is the cyclotomic circle of the inclined through hole 6 which is processed in advance on the flange end face 31 of the tooling flange 3, and the size of the cyclotomic circle is usually slightly smaller than that of the inclined hole 5 which is required to be processed on the box body 1, because the inclined hole 5 to be processed is an inclined oil hole, the dimension of the dimension C needs to be determined according to the thickness G of the flange end face 31.

The dimension D is the outer diameter of the flange journal 32 of the tooling flange 3, is determined according to the inner diameter dimension of the bearing hole 10 of the box body 1, and can be reduced by 5-10mm according to the inner diameter dimension of the bearing hole 10.

The dimension E is the inner diameter of the flange journal 32 of the tooling flange 3, which is determined according to the dimension D, and the dimension E is generally about 20mm to 30mm smaller than the dimension D.

The dimension F is the outer diameter of the flange end face 31 of the tooling flange 3 and is determined according to the dimension C, and no special requirement is required on the side, and the dimension F is only slightly smaller than the area of the bearing hole end face 11.

The dimension G is a thickness dimension of the flange end face 31 of the tooling flange 3, and the thickness is not excessively small here, and is more than 20mm at minimum.

The size H is the total thickness of the tool flange 3, and the size is larger than half of the axial size of the bearing hole 11 of the box body 1.

The dimension I is the dimension of the threaded hole 33 formed in the flange journal of the tooling flange 3.

The utility model provides a frock mainly is applicable to box 1's bearing hole terminal surface 11 has the processing of certain inclination's inclined hole 5, and frock bolt 4 that uses is copper bolt, because copper bolt is lower some for the material hardness of box 1 itself, screws up after frock bolt 4 and box 1 contact, can not leave the seal of a government organization in old china on box 1, avoids causing the influence of outward appearance.

The utility model provides a thickness of the flange terminal surface 31 of frock flange 3 will be thick as far as possible some, and if too thin, the oblique through-hole 6 length on the flange terminal surface 31 is not enough, and the direction effect is not good.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "inner", "outer", "bottom", and the like as used herein are used in the description to indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an auxiliary fixtures that wind-powered electricity generation gear box inclined hole processing was used which characterized in that: the tooling flange comprises a flange end face and a flange neck, and more than two radial threaded holes which are uniformly distributed on the circumference are formed in the flange neck; an inclined through hole is formed in the flange end face of the tool flange, and corresponds to an inclined hole required to be machined in the box body in position and has the same inclination angle; the flange neck of the tool flange is inserted into the bearing hole of the box body, the flange end face of the tool flange is in end face contact with the bearing hole of the box body, the tool bolt is screwed into the threaded hole in the flange neck and penetrates through the threaded hole, and the bottom of the tool bolt is in contact with the inner wall of the bearing hole of the box body, so that the tool flange is fixed on the box body.

2. The auxiliary tool for machining the inclined hole of the box body of the wind power gearbox as set forth in claim 1, is characterized in that: the inner diameter of the inclined through hole on the flange end face of the tool flange is larger than the diameter of the inclined hole required to be processed on the box body.

3. The auxiliary tool for machining the inclined hole of the box body of the wind power gearbox as set forth in claim 1, is characterized in that: the cyclotomic size of the inclined through hole on the flange end face of the tool flange is smaller than that of the inclined hole required to be processed on the box body.

4. The auxiliary tool for machining the inclined hole of the box body of the wind power gearbox as set forth in claim 1, is characterized in that: the outer diameter of the flange shaft neck of the tool flange is 5-10mm smaller than the inner diameter of the bearing hole.

5. The auxiliary tool for machining the inclined hole of the wind power gearbox body as claimed in claim 1, wherein the auxiliary tool comprises: the flange end face of the tooling flange is smaller than the area of the end face of the bearing hole.

6. The auxiliary tool for machining the inclined hole of the box body of the wind power gearbox as set forth in claim 1, is characterized in that: the thickness of the flange end face of the tooling flange is more than 20mm.

7. The auxiliary tool for machining the inclined hole of the wind power gearbox body as claimed in claim 1, wherein the auxiliary tool comprises: the total thickness of the tool flange is larger than half of the axial size of the bearing hole of the box body.

8. The auxiliary tool for machining the inclined hole of the wind power gearbox body as claimed in claim 1, wherein the auxiliary tool comprises: the tool bolt is made of copper.