CN221269762U

CN221269762U - Drilling guiding device for wind power planet carrier

Info

Publication number: CN221269762U
Application number: CN202322897441.3U
Authority: CN
Inventors: 徐红; 单新伟; 曹伟强; 张志军
Original assignee: Changzhou Bangwei Machinery Co ltd
Current assignee: Changzhou Bangwei Machinery Co ltd
Priority date: 2023-10-27
Filing date: 2023-10-27
Publication date: 2024-07-05
Anticipated expiration: 2033-10-27

Abstract

The utility model relates to the technical field of wind power hubs, in particular to a drilling guide device for a wind power planet carrier, which is used for drilling a planet carrier, wherein a plurality of assembly holes and matching holes are formed in the planet carrier, one assembly hole corresponds to one matching hole, the axes between the corresponding assembly holes and the matching holes coincide, the drilling guide device comprises a base, a mounting bracket and a mounting plane are arranged on the base, a drill sleeve component is arranged on the mounting bracket in a telescopic manner, and the planet carrier is arranged on the mounting plane; the mounting bracket is provided with a plurality of partition boards, a plurality of telescopic cylinders are mounted on the partition boards, and the telescopic cylinders are vertically arranged on the same horizontal plane; the drill bushing assembly is detachably connected to the telescopic rod of the telescopic cylinder, and the drill bushing assembly is opposite to the assembly hole and the matching hole and is coaxially arranged between the assembly hole and the matching hole.

Description

Drilling guiding device for wind power planet carrier

Technical Field

The utility model relates to the technical field of wind power hubs, in particular to a drilling guide device for a wind power planet carrier.

Background

The wind generating set is mainly divided into three parts, namely a wind wheel (comprising a tail vane), a generator and a tower, wherein the generator box used by the wind generating station is a large box body, the size of the generator box is about two meters, a planet carrier is arranged in the box body, and a main shaft, a planet wheel shaft or a bearing is arranged on the planet carrier. Therefore, the precision, cylindricity and position of the machining holes on the planet carrier are very high. Usually, the diameter of the planet carrier for wind power is about one meter, when drilling, the planet carrier is placed on a processing platform, the planet carrier is fixedly installed by adopting a split positioning tool, then drilling is carried out by adopting a vertical boring machine, special clamps are required to be designed for different planet carriers, so that the fixed installation is convenient, and the processing stability and the processing precision are improved. For example, in a planet carrier 10 shown in fig. 1, the planet carrier 10 is cylindrical, one surface of the planet carrier 10 is provided with an assembly hole 11, the inner wall of the planet carrier 10 is provided with a matching hole 12, the assembly hole 11 and the matching hole 12 are correspondingly arranged, and the axes of the assembly hole 11 and the matching hole 12 are mutually overlapped. When drilling the planet carrier 10, in order to ensure the machining precision, the assembly hole 11 and the matching hole 12 need to be machined in the same step, that is, a boring machine is adopted to directly drill the assembly hole 11 and the matching hole 12, so that the position precision is ensured; however, due to a certain distance between the assembly hole 11 and the assembly hole 12, the boring machine tool bit is easy to be positioned inaccurately in the extending process, and the processing quality is further affected.

In order to solve the technical problems, chinese patent CN203509113U discloses a three-hole boring machine for processing a wind power planet carrier, which comprises a machine body, a workbench, a clamp body, a cutter bar, a cutter head, a cutter bar and an indexing positioning device; the machine tool comprises a machine tool body, a workbench, a special fixture, an indexing positioning device, a spring, a workpiece clamping device and a workpiece clamping device, wherein the machine tool body is connected with the workbench; meanwhile, a cutter bar is arranged on the bed body, a cutter head is arranged on the cutter bar, and a cutter bar is arranged on the cutter head. The three-hole boring machine is provided with a special fixture for machining the wind power planet carrier, and is also provided with double cutter bars, a machined part is drilled by the special cutter bars, rough and finish machining can be achieved, automatic positioning is achieved through the indexing positioning device, the precision of the hole is guaranteed, and the overlong cutter bars are easy to deviate to influence machining quality.

Therefore, when a plurality of holes on the same axis are processed, the drilling guide device for the wind power planet carrier is provided with a drilling sheath, and the processing precision and the processing stability are ensured.

Disclosure of utility model

The utility model aims to provide a drilling guide device for a wind power planet carrier, which solves the technical problems of high precision, high cylindricity and high position requirements of a machining hole on a wind power hub planet carrier and low precision when a boring cutter performs synchronous machining in the prior art.

The technical scheme adopted for solving the technical problems is as follows: the drilling guide device comprises a base, wherein a mounting bracket and a mounting plane are arranged on the base, a drill sleeve component is arranged on the mounting bracket in a telescopic manner, and the planet carrier is arranged on the mounting plane; the mounting bracket is provided with a plurality of partition boards, a plurality of telescopic cylinders are mounted on the partition boards, and the telescopic cylinders are vertically arranged on the same horizontal plane; the drill bushing assembly is detachably connected to the telescopic rod of the telescopic cylinder, and the drill bushing assembly is opposite to the assembly hole and the matching hole and is coaxially arranged between the assembly hole and the matching hole.

Further, three partition boards are arranged, one partition board is provided with a telescopic cylinder, an upper telescopic cylinder is arranged on the uppermost partition board, and a telescopic rod of the upper telescopic cylinder can be telescopic to the upper part of the assembly hole; a lower telescopic cylinder is arranged on the baffle plate positioned at the lowest part, and a telescopic rod of the lower telescopic cylinder can be telescopic to the upper part of the matching hole; the middle telescopic cylinder is arranged on the partition plate positioned in the middle, and the telescopic rod of the middle telescopic cylinder can be telescopic to the lower part of the assembly hole.

Further, the drill bushing assembly includes an upper drill bushing, a pilot drill bushing, and a lower drill bushing, coaxially disposed therebetween.

Further, the upper drill bushing is detachably connected to the telescopic rod of the upper telescopic cylinder, the guide drill bushing is detachably connected to the telescopic rod of the middle telescopic cylinder, and the lower drill bushing is detachably connected to the telescopic rod of the lower telescopic cylinder.

Further, the upper drill sleeve can be abutted on the upper plane of the planet carrier, and the upper drill sleeve is opposite to the assembly hole and is coaxially arranged with the assembly hole; the lower drill sleeve can be abutted on the inner wall of the planet carrier, and the lower drill sleeve is opposite to the matching hole and is coaxially arranged between the lower drill sleeve and the matching hole; the guide drill bushing is positioned between the assembly hole and the lower drill bushing, and the guide drill bushing is opposite to the lower drill bushing.

Further, a connecting sleeve is connected to the outer wall of the guiding drill sleeve in a threaded mode, the bottom surface of the connecting sleeve abuts against the lower drill sleeve, and the connecting sleeve is fixedly connected with the lower drill sleeve in a threaded mode.

Further, the upper drill bushing, the pilot drill bushing and the lower drill bushing are all made of high chromium bearing steel.

Further, the telescopic cylinder is a hydraulic cylinder.

Further, the mounting plane is provided with a cylindrical pin hole and a diamond pin hole, the cylindrical pin hole and the diamond pin hole are connected with a cylindrical pin and a diamond pin in an internal fit manner, and the cylindrical pin and the diamond pin penetrate through the wall body of the planet carrier and are connected in the cylindrical pin hole and the diamond pin hole in an inserting and pulling manner.

The beneficial effects of the utility model are as follows: according to the utility model, drill bushing assemblies with different specifications can be directly required to be replaced according to different drilling holes, so that the machining range is ensured, the machining efficiency is improved, meanwhile, a plurality of drill bushings are arranged in the drill bushing assemblies, the drill bushings synchronously move, and the accurate positioning of a plurality of groups of assembly holes and matching holes on the planet carrier can be realized only by ensuring the accuracy of the rotation angle of the planet carrier, so that the axial position of a cutter can be rapidly confirmed, and the machining efficiency and the machining precision are effectively improved.

Drawings

Fig. 1 is a perspective view of a wind power planet carrier.

Fig. 2 is a perspective view of a drill guide for a wind power planet carrier according to the present utility model.

Fig. 3 is a plan view of the drill guide for a wind power planet carrier according to the present utility model.

Fig. 4 is a cross-sectional view of A-A in fig. 3.

Fig. 5 is a perspective view of a drill guide for a wind power carrier according to the present utility model (the wind power carrier is omitted).

The components in the drawings are marked as follows: 10. a planet carrier; 11. a fitting hole; 12. a mating hole; 20. a drill guide; 21. a base; 22. a mounting bracket; 23. a mounting plane; 24. a partition plate; 25. an upper telescopic cylinder; 26. a middle telescopic cylinder; 27. a lower telescopic cylinder; 30. a drill sleeve assembly; 31. a drill sleeve is arranged; 32. guiding the drill bushing; 33. a drill sleeve is arranged; 34. and (5) connecting the sleeve.

Detailed Description

The present utility model will now be described in detail with reference to the accompanying drawings. The figure is a simplified schematic diagram illustrating the basic structure of the utility model only by way of illustration, and therefore it shows only the constitution related to the utility model.

Referring to fig. 1, the present utility model provides a drilling guide device 20 for a wind power planet carrier, which is used for drilling a planet carrier 10, wherein the planet carrier 10 has a cylindrical frame structure, one side of the planet carrier 10 is provided with a plurality of assembly holes 11, the assembly holes 11 penetrate through the wall of the planet carrier 10, the inner wall of the planet carrier 10 is provided with a plurality of assembly holes 12, one assembly hole 11 corresponds to one assembly hole 12, and the axes between the corresponding assembly holes 11 and the assembly holes 12 coincide. In order to ensure the position accuracy between the corresponding assembly holes 11 and the corresponding assembly holes 12, the utility model adopts a large vertical boring machine (not shown) to synchronously process the corresponding assembly holes 11 and the corresponding assembly holes 12, thereby reducing the disassembly and assembly times and improving the processing accuracy.

Further, referring to fig. 2, 3 and 5, the drill guide device 20 includes a base 21, a mounting bracket 22 and a mounting plane 23 are provided on the base 21, a drill sleeve assembly 30 is telescopically provided on the mounting bracket 22, the planet carrier 10 is provided on the mounting plane 23, and the drill sleeve assembly 30 is opposite to the assembly hole 11 and the assembly hole 12 and is coaxially arranged between the assembly hole 11 and the assembly hole 12. When the drilling device is used, the planet carrier 10 is hoisted to the installation plane 23 by using a suspension device such as a chain block, and then the drill sleeve assembly 30 is telescopic to the planet carrier 10, so that the drill sleeve assembly 30 corresponds to the assembly hole 11 and the matching hole 12 respectively, the drilling positions of the assembly hole 11 and the matching hole 12 are rapidly determined, and the machining precision is improved.

In this embodiment, the mounting plane 23 is provided with a cylindrical pin hole (not shown) and a diamond pin hole (not shown), and the cylindrical pin hole and the diamond pin hole are connected with a cylindrical pin and a diamond pin in a matching manner, and the cylindrical pin and the diamond pin penetrate through the wall body of the planet carrier 10 and are connected in the cylindrical pin hole and the diamond pin hole in a plugging manner; after the planet carrier 10 is hoisted to the installation plane 23, the planet carrier 10 is installed to the installation plane 23 by using a positioning mode of one-side two pins, so that the installation accuracy and stability are ensured.

In another embodiment, the mounting plane 23 is provided with a three-jaw chuck, and the planet carrier 10 is clamped and fixed by the three-jaw chuck, so that the mounting stability is ensured.

Further, the mounting bracket 22 is in a square frame structure, a plurality of partition plates 24 are arranged on the mounting bracket 22, a plurality of telescopic cylinders are arranged on the partition plates 24, and the drill bushing assembly 30 is detachably connected to telescopic rods of the telescopic cylinders. The telescopic cylinders are vertically arranged on the same horizontal plane. Preferably, the telescopic cylinder is a hydraulic cylinder,

Specifically, three partition boards 24 are provided, one partition board 24 is provided with a telescopic cylinder, an upper telescopic cylinder 25 is arranged on the uppermost partition board 24, and a telescopic rod of the upper telescopic cylinder 25 can be telescopic to the upper side of the assembly hole 11; a lower telescopic cylinder 27 is arranged on the lowermost partition plate 24, and a telescopic rod of the lower telescopic cylinder 27 can be telescopic to the upper part of the matching hole 12; a middle telescopic cylinder 26 is arranged on the middle partition plate 24, and a telescopic rod of the middle telescopic cylinder 26 can be telescopic to the lower part of the assembly hole 11.

Preferably, the axes of the telescopic rods of the upper telescopic cylinder 25, the middle telescopic cylinder 26 and the lower telescopic cylinder 27 are positioned on the same horizontal plane, and the upper telescopic cylinder 25, the middle telescopic cylinder 26 and the lower telescopic cylinder 27 are synchronously driven, so that the telescopic rods of the upper telescopic cylinder 25, the middle telescopic cylinder 26 and the lower telescopic cylinder 27 can synchronously stretch and retract, and the stability of the accuracy of the movement of the drill bushing assembly 30 is ensured.

Referring to fig. 4 and 5, the drill bushing assembly 30 includes an upper drill bushing 31, a pilot drill bushing 32, and a lower drill bushing 33. The upper drill bushing 31 is detachably connected to the telescopic rod of the upper telescopic cylinder 25, the guide drill bushing 32 is detachably connected to the telescopic rod of the middle telescopic cylinder 26, and the lower drill bushing 33 is detachably connected to the telescopic rod of the lower telescopic cylinder 27.

According to the utility model, the drill bushing assemblies 30 with different specifications can be replaced according to different drilling requirements, so that the machining range is ensured, and the machining efficiency is improved.

Further, the upper drill bush 31 can be abutted on the upper plane of the planet carrier 10, and the upper drill bush 31 is opposite to the assembly hole 11 and is coaxially arranged with the assembly hole 11; the lower drill bushing 33 can be abutted on the inner wall of the planet carrier 10, and the lower drill bushing 33 is opposite to the matching hole 12 and is coaxially arranged between the lower drill bushing 33 and the matching hole 12; the pilot drill bushing 32 is located between the assembly hole 11 and the lower drill bushing 33, the pilot drill bushing 32 faces the lower drill bushing 33, and the upper drill bushing 31, the pilot drill bushing 32 and the lower drill bushing 33 are coaxially arranged.

Further, the outer wall of the guiding drill sleeve 32 is in threaded connection with a connecting sleeve 34, the bottom surface of the connecting sleeve 34 is abutted against the lower drill sleeve 33, and the connecting sleeve 34 is in threaded fixed connection with the lower drill sleeve 33 through bolts or screws and other fasteners, so that the guiding drill sleeve 32 and the lower drill sleeve 33 are integrally ensured, the guiding stability of the guiding drill sleeve 32 is ensured, and the deviation is prevented.

Preferably, the upper drill bushing 31, the pilot drill bushing 32 and the lower drill bushing 33 are all made of high chromium bearing steel. When the telescopic drill sleeve is used, the telescopic cylinder is directly driven, the drill sleeve assembly 30 is moved into the planet carrier 10, the drill sleeve assembly 30 corresponds to the assembly hole 11 and the matching hole 12 respectively, and further synchronous machining of the assembly hole 11 and the matching hole 12 is realized, the disassembly and assembly times are reduced, and the machining precision is improved; if the diameters of the assembly holes 11 and the assembly holes 12 are different, after the assembly holes 11 are machined, the cutter head is directly replaced, so that the machining of the assembly holes 12 can be realized, repeated cutter setting is not needed, and the machining efficiency is greatly improved. After drilling of one group of assembly holes 11 and matching holes 12 is completed, the telescopic cylinder is driven, the drill sleeve assembly 30 is moved out, and then the planet carrier 10 is hung and rotated, so that drilling of the other group of assembly holes 11 and matching holes 12 can be realized.

In this embodiment, the upper drill bushing 31 and the lower drill bushing 33 are fixedly connected to the planet carrier 10 by using fasteners such as bolts or screws, so as to ensure stability of the upper drill bushing 31 and the lower drill bushing 33 during drilling, prevent deviation caused by tool impact, and improve use stability of the present utility model.

The specific operation mode of the utility model is as follows, step one: the carrier 10 is placed on the mounting plane 23 by the suspension device and clamped and fixed.

And secondly, selecting the drill bushing assembly 30 according to the diameters of the assembly hole 11 and the assembly hole 12, and mounting the drill bushing assembly 30 on the telescopic cylinder.

Step three: the telescopic cylinder is driven to move the drill bushing assembly 30 into the planet carrier 10, so that the drill bushing assembly 30 corresponds to the assembly hole 11 and the assembly hole 12 respectively, and positioning is completed.

Step four: the drill collar assembly 30 is fixedly attached to the planet carrier 10 using fasteners such as bolts or screws to complete the installation.

Step five: after the machining is completed, the fasteners are removed, the telescopic cylinders are driven, the drill bushing assembly 30 is removed, the rotary planet carrier 10 is suspended, and the other set of assembly holes 11 and the assembly holes 12 are drilled.

According to the utility model, the drill bushing assemblies 30 with different specifications can be directly required to be replaced according to different drilling holes, so that the machining range is ensured, the machining efficiency is improved, meanwhile, a plurality of drill bushings are arranged in the drill bushing assembly 10, the drill bushings synchronously move, the accurate positioning of a plurality of groups of assembly holes 11 and the matching holes 12 on the planet carrier 10 can be realized only by ensuring the accuracy of the rotation angle of the planet carrier 10, and the axial position of a cutter can be rapidly confirmed, so that the machining efficiency and the machining precision are effectively improved.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The drilling guide device for the wind power planet carrier is used for drilling the planet carrier (10), a plurality of assembly holes (11) and matching holes (12) are formed in the planet carrier (10), one assembly hole (11) corresponds to one matching hole (12), and the axes between the corresponding assembly hole (11) and the matching hole (12) coincide, and is characterized in that the drilling guide device (20) comprises a base (21), a mounting support (22) and a mounting plane (23) are arranged on the base (21), a drill sleeve assembly (30) is arranged on the mounting support (22) in a telescopic mode, and the planet carrier (10) is arranged on the mounting plane (23); a plurality of partition boards (24) are arranged on the mounting bracket (22), a plurality of telescopic cylinders are arranged on the partition boards (24), and the telescopic cylinders are vertically arranged on the same horizontal plane; the drill bushing assembly (30) is detachably connected to the telescopic rod of the telescopic cylinder, and the drill bushing assembly (30) is opposite to the assembly hole (11) and the assembly hole (12) and is coaxially arranged between the assembly hole (11) and the assembly hole (12).

2. Drilling guide device for wind power planet carrier according to claim 1, characterized in that three partition boards (24) are provided, one partition board (24) is provided with a telescopic cylinder, an upper telescopic cylinder (25) is arranged on the uppermost partition board (24), and the telescopic rod of the upper telescopic cylinder (25) can be telescopic to the upper part of the assembly hole (11); a lower telescopic cylinder (27) is arranged on the lowermost partition plate (24), and a telescopic rod of the lower telescopic cylinder (27) can be telescopic to the upper part of the matching hole (12); a middle telescopic cylinder (26) is arranged on the partition plate (24) positioned in the middle, and a telescopic rod of the middle telescopic cylinder (26) can be telescopic to the lower part of the assembly hole (11).

3. Wind power planet carrier drilling guide according to claim 2, characterized in that the drill bushing assembly (30) comprises an upper drill bushing (31), a pilot drill bushing (32) and a lower drill bushing (33), which upper drill bushing (31), pilot drill bushing (32) and lower drill bushing (33) are coaxially arranged.

4. A wind power planet carrier drilling guide as claimed in claim 3, characterised in that the upper drill bushing (31) is detachably connected to the telescopic rod of the upper telescopic cylinder (25), the guide drill bushing (32) is detachably connected to the telescopic rod of the middle telescopic cylinder (26), and the lower drill bushing (33) is detachably connected to the telescopic rod of the lower telescopic cylinder (27).

5. A drill guide for a wind power planet carrier according to claim 3, characterized in that the upper drill bush (31) can be abutted on the upper plane of the planet carrier (10), and the upper drill bush (31) is opposite to the assembly hole (11) and is coaxially arranged between the assembly hole (11); the lower drill sleeve (33) can be abutted on the inner wall of the planet carrier (10), and the lower drill sleeve (33) is opposite to the matching hole (12) and is coaxially arranged with the matching hole (12); the guiding drill sleeve (32) is positioned between the assembly hole (11) and the lower drill sleeve (33), and the guiding drill sleeve (32) is opposite to the lower drill sleeve (33).

6. The drilling guide device for the wind power planet carrier according to claim 5, wherein a connecting sleeve (34) is connected to the outer wall of the guide drill sleeve (32) in a threaded manner, the bottom surface of the connecting sleeve (34) abuts against the lower drill sleeve (33), and the connecting sleeve (34) is fixedly connected with the lower drill sleeve (33) in a threaded manner.

7. A wind power planet carrier drill guide according to claim 3, characterized in that the upper drill bushing (31), the guide bushing (32) and the lower drill bushing (33) are all made of high chromium bearing steel.

8. The drill guide device for a wind power planet carrier according to claim 1, wherein the telescopic cylinder is a hydraulic cylinder.

9. The drilling guide device for the wind power planet carrier according to claim 1, wherein the installation plane (23) is provided with a cylindrical pin hole and a diamond pin hole, cylindrical pins and diamond pins are connected in the cylindrical pin hole and the diamond pin hole in a matched mode, and the cylindrical pins and the diamond pins penetrate through the wall body of the planet carrier (10) and are connected in the cylindrical pin hole and the diamond pin hole in a plug-in mode.