Simple tool convenient and fast to operate and high in precision for manually drilling axial stop pin hole

Abstract

The simple tool is convenient to operate and high in precision, and is characterized in that an inner positioning plate is installed in a bearing hole of a gearbox body, the outer side of the inner positioning plate abuts against the wall of the gearbox body, a positioning bolt is sleeved with a shaft hole of the inner positioning plate, and a bolt head of the positioning bolt abuts against the inner side of the inner positioning plate; the thickness of the inner adjusting block is larger than the wall thickness of the box body at the position of the bearing hole, and the through hole of the inner adjusting block is sleeved on the positioning bolt. The hole of the outer positioning plate is sleeved on the positioning bolt; the positioning plate fastening nut is screwed on the thread of the positioning bolt; the fixing bolt penetrates through the mounting hole in the inner positioning plate and the mounting hole in the outer positioning plate, the three fixing nuts are arranged on the fixing bolt in a screwed mode, two of the three fixing nuts abut against the outer positioning plate from the two sides, and the other nut abuts against the outer side of the inner positioning plate; the diameter of the positioning hole in the outer positioning plate is larger than that of the drill bit. The gear box stop pin hole punching device is convenient to operate and capable of punching high-precision stop pin holes in a gear box body.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of wind power gear box processing field, specifically manual is equipped with the axial stop pin hole of beating. BACKGROUND

[0002] Wind power gear box often appears the situation of skidding between bearing outer ring and bearing hole when running, skidding can cause the wear of bearing hole, affect running accuracy, and easily lead to the damage of gear box.

[0003] The wind power gear box designed in later period generally selects bearing with stop groove on outer ring, increases stop pin hole on bearing hole or other fixed parts matched with bearing outer ring, and installs stop pin in stop pin hole and bearing stop groove, to prevent the skidding between bearing outer ring and bearing hole.

[0004] For part of early design wind power gear box, bearing outer ring and bearing hole are not provided with stop pin to prevent skidding. For structure inconvenient to increase stop pin hole on other fixed parts matched with bearing outer ring, generally maintenance or replacement is carried out according to original structure when maintenance or replacement, or slender drill bit is used to punch stop pin hole in axial direction from inside bearing hole, or if bearing hole size is enough, smaller electric drill is used to punch stop pin hole in radial direction from inside bearing hole, and bearing with stop groove on outer ring is replaced, to increase stop pin to prevent skidding between bearing outer ring and bearing hole.

[0005] The technical scheme of prior art one is as shown in Figure 1

[0006] Slender drill bit 100 is used to punch stop pin hole in axial direction from inside bearing hole 200.

[0007] The defects of prior art one are as follows:

[0008] 1) slender drill bit is easy to deform and damage when punching, with high safety risk and low punching precision, and punching is not easy.

[0009] 2) punching is carried out in axial direction from inside bearing hole, with small operation space, not easy to punch, high safety risk and low punching precision.

[0010] The technical scheme of prior art two is as shown in Figure 2

[0011] Smaller electric drill or drill bit 100 of right-angle electric drill is used to punch stop pin hole in radial direction in bearing hole 200 with enough size.

[0012] The defects of prior art two are as follows:

[0013] 1) high requirement for size of bearing hole and electric drill, and size of early design gear box is small, so that radial punching is not easy for few gear boxes.​​

[0014] 2) The operation space is small, the safety risk is high, and the punching precision is low. Practical new type content

[0015] The utility model provides a simple tool of manual matching punch axial stop pin hole with convenient operation and high precision, and its purpose is to solve the defects in prior art, and punch out the stop pin hole with high precision on the gear box body conveniently.

[0016] The utility model solves technical scheme that its technical problem adopts:

[0017] The simple tool of manual matching punch axial stop pin hole with convenient operation and high precision, its characterized in being:

[0018] The inner positioning plate is installed in the bearing hole of the gear box body, the outer side of the inner positioning plate is on the wall of the box body, the shaft hole of the inner positioning plate is on the outer positioning bolt, and the bolt head of the positioning bolt is on the inner side of the inner positioning plate;

[0019] The thickness of the inner adjusting block is greater than the wall thickness of the position of the box body in the bearing hole, the through hole of the inner adjusting block is on the positioning bolt, and the outer side of the inner adjusting block is on the inner positioning plate;

[0020] The hole of the outer positioning plate is on the positioning bolt, and the outer side of the outer positioning plate is on the inner adjusting block;

[0021] The positioning plate fastening nut is screwed on the thread of the positioning bolt and is on the outer side of the outer positioning plate;

[0022] The fixing bolt passes through the mounting hole on the inner positioning plate and the mounting hole on the outer positioning plate, three fixing nuts are screwed on the fixing bolt, two nuts are on the outer positioning plate from both sides, the other nut is on the outer side of the inner positioning plate, and the bolt head of the fixing bolt is on the inner side of the inner positioning plate;

[0023] The diameter of the positioning hole on the outer positioning plate is greater than the diameter of the drill bit.

[0024] The outer cylindrical surface of the inner positioning plate is provided with a mark observation groove.

[0025] The outer cylindrical surface of the inner positioning plate is in clearance fit with the bearing hole.

[0026] The positioning bolt is a hinge hole bolt, and the shaft hole of the inner positioning plate is in clearance fit with the non-threaded part of the positioning bolt.

[0027] The hole on the outer positioning plate is in clearance fit with the non-threaded part of the positioning bolt.

[0028] The outer adjusting block is sleeved on the positioning bolt through the through hole of the outer adjusting block, and the outer adjusting block abuts against the outer side of the outer positioning plate.

[0029] The inner positioning plate has a clearance hole with a diameter greater than the diameter of the drill bit.

[0030] The utility model discloses the beneficial effect that:

[0031] 1, when the bearing outer ring is increased to stop the stop pin and stop, can conveniently punch on the box and be used to install the stop pin;

[0032] 2, can ensure the precision of punching on the box, and ensure the reliable installation of the stop pin;

[0033] 3, can punch the through stop pin hole, whether the stop pin is not dead axle after the stop pin and bearing installation in place are checked, ensure the reliability of the gear box operation. BRIEF DESCRIPTION OF DRAWINGS

[0034] The utility model is further explained below in combination with the drawings and examples.

[0035] Figure 1 It is the schematic view of prior art one;

[0036] Figure 2 It is the schematic view of prior art two;

[0037] Figure 3 It is the combined sectional view of the utility model;

[0038] Figure 4 It is the sectional view of inner positioning plate;

[0039] Figure 5 It is the sectional view of outer positioning plate;

[0040] Figure 6 It is the sectional view of the utility model use state. DETAILED DESCRIPTION

[0041] In order to more clearly illustrate the technical scheme of the utility model, the following will be needed to use the drawings in the description briefly introduce, obviously, the following description in the drawings only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, still can obtain other embodiments according to these drawings.For the convenience of understanding the utility model, the utility model is more detailedly explained below in combination with the drawings and specific examples.

[0042] It should be noted that when an element is expressed as "fixed to" another element, it can be directly on another element, or one or more intermediate elements can exist therebetween. When an element is expressed as "connected to" another element, it can be directly connected to another element, or one or more intermediate elements can exist therebetween. The terms "upper", "lower", "inner", "outer", "bottom", etc. used in the specification indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third", etc. are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0043] As Figure 3 , Figure 4 , Figure 5 , Figure 6 shown:

[0044] The outer cylindrical surface 102 of the inner positioning plate 1 is in small gap fit with the bearing hole 1 at the required punching position, facilitating installation and ensuring positioning.

[0045] The outer cylindrical surface 102 is provided with a mark observation groove 101 for marking, observing and relative direction of oil inlet hole, etc., to ensure the correct punching direction.

[0046] The inner positioning plate 1 is provided with a shaft hole 103 in the middle, for installing a positioning bolt 2, the positioning bolt 2 is a hinged hole bolt, the unthreaded part is in small gap fit with the shaft hole 103, facilitating installation and ensuring positioning.

[0047] The shaft hole 103 is sleeved on the positioning bolt 2, and the bolt head of the positioning bolt 2 abuts against the inner side of the inner positioning plate 1.

[0048] The inner positioning plate 1 is installed in the bearing hole 200 of the gear box body 300, the outer side of the inner positioning plate 1 abuts against the wall of the box body 300, and then according to the wall thickness size A of the box body 300 at the position of the bearing hole 200, an inner adjusting block 6 with appropriate thickness is selected, the thickness B of the inner adjusting block 6 is greater than the wall thickness size A, to ensure that the outer positioning plate 5 does not interfere with the box body 300 when installed.

[0049] The through hole of the inner adjusting block 6 is sleeved on the positioning bolt 2, and the inner adjusting block 6 abuts against the outer side of the inner positioning plate 1.

[0050] The hole 501 on the outer positioning plate 5 is in small gap fit with the unthreaded part of the positioning bolt 2, facilitating installation and ensuring positioning. The hole 501 of the outer positioning plate 5 is sleeved on the positioning bolt 2, and the outer positioning plate 5 abuts against the outer side of the inner adjusting block 6.

[0051] After the outer positioning plate 5 is installed, select an outer adjusting block 4 of appropriate thickness. The through hole of the outer adjusting block 4 is fitted onto the positioning bolt 2, and the outer adjusting block 4 is pressed against the outer side of the outer positioning plate 5.

[0052] The positioning plate fastening nut 3 is screwed onto the thread of the positioning bolt 2 and abuts against the outer side of the outer adjusting block 4.

[0053] After ensuring that the positioning bolt 2 is installed in place, all tools can be tightened and there is no looseness.

[0054] The fixing bolt 8 passes through the mounting hole 104 on the inner positioning plate 1 and the mounting hole 502 on the outer positioning plate 5, and is secured to the inner positioning plate 1 and the outer positioning plate 5 by three fixing nuts 7 screwed onto the fixing bolt 8. Two of the nuts 7 abut against the outer positioning plate 5 from both sides, and the other nut 7 abuts against the outer side of the inner positioning plate 1. The bolt head of the fixing bolt 8 abuts against the inner side of the inner positioning plate 1.

[0055] The center of the positioning hole 503 on the outer positioning plate 5 is the center of the hole to be drilled. The diameter of the positioning hole 503 is slightly larger than the diameter of the drill bit 100 used for drilling, and is used to position the drill bit 100 when drilling. The clearance hole 105 of the inner positioning plate 1 is larger than the diameter of the drill bit 100, ensuring that the drill bit 100 does not interfere with the inner positioning plate 1 after drilling through the box 300.

[0056] When using, such as Figure 6 As shown:

[0057] The drill bit 100 of the electric drill passes through the positioning hole 503 on the outer positioning plate 5 and drills a through hole on the housing 300 as a stop pin hole 400.

[0058] This utility model patent presents a simple tooling for manually drilling axial stop pin holes, which is convenient to operate and highly accurate. It features a simple structure, easy assembly, and simple operation. Drilling is convenient and highly accurate, avoiding deviations caused by excessively long drill bits deforming or limited space hindering operation. It allows for positioning and fixation, ensuring accurate drilling positions. There are no requirements for the size of the electric drill; ordinary electric drills are suitable. It offers ample operating space and is easy to use.

[0059] The various embodiments described in this specification are presented in a progressive manner, with each embodiment focusing on its differences from other embodiments. Similar or identical parts between embodiments can be referred to interchangeably. The above description of the disclosed embodiments enables those skilled in the art to implement or use this invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this invention. Therefore, this invention is not 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. A simple tool for manually punching axial stop pin holes with ease and high precision, characterized in that: The inner positioning plate is installed in the bearing hole of the gear box body, the outer side of the inner positioning plate is abutted against the wall of the box body, the shaft hole of the inner positioning plate is sleeved on the positioning bolt, the bolt head of the positioning bolt is abutted against the inner side of the inner positioning plate; the thickness of the inner adjusting block is greater than the wall thickness of the position of the box body in the bearing hole, the through hole of the inner adjusting block is sleeved on the positioning bolt, and the outer side of the inner adjusting block is abutted against the inner positioning plate; the hole of the outer positioning plate is sleeved on the positioning bolt, and the outer positioning plate is abutted against the outer side of the inner adjusting block; the positioning plate fastening nut is screwed on the thread of the positioning bolt and abutted against the outer side of the outer positioning plate; the fixing bolt passes through the mounting hole on the inner positioning plate and the mounting hole on the outer positioning plate, three fixing nuts are screwed on the fixing bolt, two of the nuts abut against the outer positioning plate from both sides, and the other nut abuts against the outer side of the inner positioning plate, the bolt head of the fixing bolt abuts against the inner side of the inner positioning plate; the diameter of the positioning hole on the outer positioning plate is greater than the diameter of the drill bit.

2. The simple tool for manually and accurately aligning and marking holes for axial retaining pins as claimed in claim 1, wherein: The outer cylindrical surface of the inner positioning plate is provided with a mark observation groove.

3. The simple tool for manually and accurately aligning and marking holes for axial retaining pins as claimed in claim 1, wherein: The outer cylindrical surface of the inner positioning plate is in clearance fit with the bearing hole.

4. The simple tool for manually and accurately aligning and marking holes for axial retaining pins as claimed in claim 1, wherein: The positioning bolt is a hinge hole bolt, and the shaft hole of the inner positioning plate is in clearance fit with the non-threaded part of the positioning bolt.

5. The simple tool for manually and accurately aligning and marking holes for axial retaining pins as claimed in claim 1, wherein: The hole on the outer positioning plate is in clearance fit with the non-threaded part of the positioning bolt.

6. The simple tool for manually and accurately aligning and marking holes for axial retaining pins as claimed in claim 1, wherein: The outer adjusting block is between the nut and the outer positioning plate, the through hole of the outer adjusting block is sleeved on the positioning bolt, and the outer side of the outer adjusting block is abutted against the outer side of the outer positioning plate, and the positioning plate fastening nut is screwed on the thread of the positioning bolt and abutted against the outer side of the outer adjusting block.

7. The simple tool for manually and accurately aligning and marking holes for axial retaining pins as claimed in claim 1, wherein: The inner positioning plate has a clearance hole with a diameter greater than that of the drill bit.

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