CN207431789U - It is a kind of to match somebody with somebody brill error prevention device for the mechanical processing of the main cylinder of undercarriage and three hole axles - Google Patents

It is a kind of to match somebody with somebody brill error prevention device for the mechanical processing of the main cylinder of undercarriage and three hole axles Download PDF

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Publication number
CN207431789U
CN207431789U CN201721493251.3U CN201721493251U CN207431789U CN 207431789 U CN207431789 U CN 207431789U CN 201721493251 U CN201721493251 U CN 201721493251U CN 207431789 U CN207431789 U CN 207431789U
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China
Prior art keywords
hole
undercarriage
main cylinder
axles
pressing plate
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Active
Application number
CN201721493251.3U
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Chinese (zh)
Inventor
张雪艳
秦楚山
杨鹏
王芳
张�成
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AVIC Landing Gear Advanced Manufacturing Corp
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AVIC Landing Gear Advanced Manufacturing Corp
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Priority to CN201721493251.3U priority Critical patent/CN207431789U/en
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Abstract

It is a kind of to match somebody with somebody brill error prevention device for the mechanical processing of the main cylinder of undercarriage and three hole axles, it includes U-shaped pressing plate, the both ends bottom of the U-shaped pressing plate is equipped with three hole axle mounting holes, and it is used to compress the hold-down bolt of three hole axle mounting bases of the main cylinder of undercarriage at the top of U-shaped pressing plate there are two setting, the bottom of each hold-down bolt is equipped with briquetting, and hold-down bolt compresses three hole axle mounting bases by briquetting;The middle part of U-shaped pressing plate is equipped with the claw being arranged in the middle part of three hole axles, and the one side of claw sets the first pin hole, the first bolt that can be inserted into the 3rd blind hole of three hole axles and realize positioning is equipped in first pin hole;The U-shaped pressing plate is equipped with socket close to one end of three hole axle end faces, and the second bolt that can be inserted into three hole axles in the first blind hole corresponding with the 3rd blind hole is equipped in the socket;The U-shaped pressing plate is provided with the error prevention device to match with the shape of the main cylinder of undercarriage close to one end of three hole axle end faces.The utility model can be advantageously used in the main cylinder of undercarriage and the location hole of three hole axles is processed with brill.

Description

It is a kind of to match somebody with somebody brill error prevention device for the mechanical processing of the main cylinder of undercarriage and three hole axles
Technical field
The utility model is related to a kind of mechanical processing with error prevention device is bored, particularly one kind is used for the main cylinder of undercarriage and three holes The mechanical processing of axis is with brill error prevention device.
Background technology
In field of machining, it is often necessary to which two or more parts add after being assembled according to Product Assembly requirement Work, i.e., in order to meet Product Assembly requirement, it is necessary to coordinate to process some location hole, to reach matching requirements, because when multiple zero When part is assembled together, often there are some or certain several parts to have relative position requirement compared with other parts.But in life In the live actual processing of production, sometimes due to technological order establishment is not detailed enough or operative employee's technological order does not understand thoroughly, make Into parts fixation positional fault, cause the product size processed overproof or waste product, the quality of product are difficult to control, process Inefficiency.
The main cylinder 1 of undercarriage has combined the requirement of the uniqueness such as direction, position, size with the assembling of three hole axles 2, thus designs It is positioned therebetween with the first location hole 11 of brill, and symmetrical first location hole is set in the both sides of three hole axles 2 11, as shown in Figure 1 and Figure 2.
As shown in Figure 1 and Figure 2, one end of three hole axles 2 is evenly distributed there are three the first blind hole 14, each first blind hole 14 Bottom hole has the second blind hole 15 of different depth, but the side wall of the second blind hole of only one of which 15 is equipped with the 3rd blind hole 16, and In only the 3rd blind hole 16 and the first location hole 11 are generally aligned in the same plane.The main cylinder 1 of undercarriage is equipped with three hole axle mounting bases 17, and Three hole axle mounting bases 17 are equipped with three hole axle mounting holes 18, and the outer periphery of the three hole axles mounting hole 18 sets asymmetric auricle.
From upper narration, the assembling structure of main 1 and three hole axle 2 of cylinder of undercarriage is complicated, be therebetween with brill first Location hole 11 needs special fixture, and to ensure processing quality, it is also necessary to error prevention device is set.
Utility model content
Technical problem to be solved in the utility model is matched somebody with somebody for existing machinery processing during boring, since technique refers to Order establishment is not detailed enough or operator understands technological order not thorough enough and causes parts fixation positional fault, causes to process Product size out is overproof or the problem of waste product, provides a kind of mechanical processing for the main cylinder of undercarriage and three hole axles with brill Error prevention device can effectively avoid clamping position mistake, be controlled the quality of product, and processing efficiency improves.
In order to solve the above technical problems, technical solution is used by the utility model:One kind for the main cylinder of undercarriage with The mechanical processing of three hole axles is with error prevention device is bored, and including U-shaped pressing plate, the both ends bottom of the U-shaped pressing plate is installed equipped with three hole axles Hole, and set at the top of U-shaped pressing plate there are two for compressing the hold-down bolt of three hole axle mounting bases of the main cylinder of undercarriage, each compress The bottom of bolt is equipped with briquetting, and hold-down bolt compresses three hole axle mounting bases by briquetting;The middle part of U-shaped pressing plate is equipped with to be set for blocking Claw in the middle part of three hole axles, the one side of claw set the first pin hole, and the 3rd of three hole axles can be inserted by being equipped in first pin hole The first bolt of positioning is realized in blind hole;The U-shaped pressing plate is equipped with socket close to one end of three hole axle end faces, is set in the socket There is the second bolt that can be inserted into three hole axles in the first blind hole corresponding with the 3rd blind hole;The close three hole axle ends of the U-shaped pressing plate The one end in face is provided with the error prevention device to match with the shape of the main cylinder of undercarriage.
In said program, the both ends of the U-shaped pressing plate are mounted in three hole axles on the outside of the three hole axles mounting base.
In said program, the end face of the U-shaped pressing plate and the outermost side end face of three hole axle fit.
In said program, the axis of the main cylinder of undercarriage is parallel with platen, and the work of the hold-down bolt Face is mutually perpendicular to platen.
In said program, after the hold-down bolt compresses three hole axle mounting bases of the main cylinder of undercarriage, the error prevention device with Three hole axle mounting base one sides of the main cylinder of undercarriage fit, and error prevention device is bonded gap with three hole axle end faces and is not more than 0.05mm, inspection error prevention device top surface are bonded 0.05~0.20mm of gap with the main cylinder of undercarriage.
Said program is in use, three hole axle mounting holes on the U-shaped pressing plate are installed with three hole axles on the main cylinder of undercarriage Hole is coaxial.
The utility model utilizes unique conformability between the first blind hole 14 and the 3rd blind hole 16 in three hole axles, it is ensured that the 14 holes that two bolts need, while the first bolt is prevented to be inserted into 16 holes of three hole axles, in order to avoid there are three hole axle direction of rotation mistakes. In addition the utility model is provided with error prevention device, and it is wrongly installed to can effectively prevent U-shaped pressing plate direction.
Error prevention device is simple in structure, easy to operate, and process is reliable, can effectively avoid because of clamping with boring for the utility model There is waste product in mistake, effectively improves product quality and part installation effectiveness.
Description of the drawings
Fig. 1 assembles constitutional diagram for the main cylinder of undercarriage and three hole axles.
Fig. 2 is the A'-A' sectional views of Fig. 1.
Fig. 3 is the utility model for the main view of the main cylinder of undercarriage and the mechanical processing of three hole axles with brill error prevention device Figure.
Fig. 4 is the top view of Fig. 3.
Fig. 5 is the A-A sectional views of Fig. 3.
Fig. 6 is the B-B sectional views of Fig. 5.
Fig. 7 is the utility model usage state diagram.
In figure:The main cylinder of 1 undercarriage;2 three hole axles;3 U-shaped pressing plates;4 hold-down bolts;5 briquettings;6 claws;7 first bolts;8 Error prevention device;9 second bolts;10 sockets;11 first location holes;13 first pin holes;14 first blind holes;15 second blind holes;The Three blind holes 16;17 3 hole axle mounting bases;18th, 19 3 hole axle mounting hole.
Specific embodiment
As shown in Figure 3-Figure 5, the utility model is matched somebody with somebody for the mechanical processing of the main cylinder of undercarriage and three hole axles bores error prevention device Including U-shaped pressing plate 3, the both ends bottom of the U-shaped pressing plate 3 is equipped with to be sheathed on the three hole axle mounting holes 19 at three hole axle both ends, and U The top of type pressing plate 3 is set there are two for compressing the hold-down bolt 4 of three hole axle mounting bases 17 of the main cylinder 1 of undercarriage, is each compressed The bottom of bolt 4 is equipped with briquetting 5, and hold-down bolt 4 compresses three hole axle mounting bases 17 by briquetting 5, and the middle part of U-shaped pressing plate 3 is equipped with For being arranged in the claw 6 in the middle part of three hole axles, the one side of claw 6 sets the first pin hole 13, first is inserted into first pin hole 13 Bolt 7, and the diameter of 7 front end of the first bolt matches with the 3rd blind hole 16, in use, the first bolt 7 is through the first pin hole 13 It is inserted into the 3rd blind hole 16, and with being inserted into the second bolt 9 in 16 corresponding first blind hole 14 of the 3rd blind hole, so as to fulfill three hole axles Direction positions.One end of U-shaped pressing plate 3 is provided with the error prevention device 8 to match with the shape of three hole axle mounting bases 17, so as not to it is U-shaped The direction of pressing plate 3 is anti-loaded.It is corrected for convenience of installation, the error prevention device 8 and one on the main cylinder 1 of undercarriage and U-shaped 3 working position of pressing plate The parallel vertical plane in side when putting is engaged.
Main 1 and three hole axle 2 of cylinder of undercarriage fit together carry out with bore the first location hole 11 when, first by three hole axles 2 Outer circle centering, then horizontal compress of the main cylinder 1 of undercarriage is positioned, three hole axles 2 are then removed, U-shaped pressing plate 3 is inserted into the main cylinder of undercarriage Three hole axle mounting bases, 17 both sides on 1, and make the error prevention device installation end face of the cylinder 1 main with undercarriage of error prevention device 8 corresponding, it will Three hole axles 2 are inserted into three hole axle mounting holes 18 of U-shaped pressing plate 3 and the main cylinder 1 of undercarriage, while three hole axle of attentional selection, 2 end face First blind hole, 14 direction makes the 3rd blind hole 16 in three hole axles 2 corresponding with the first pin hole 13 in the middle part of U-shaped pressing plate, and is inserted into First bolt 7 and the second bolt 9 position the direction of principal axis of three hole axles 2, while ensure that three hole axle end faces are bonded with U-shaped pressing plate 3, The U-shaped pressing plate 3 of 4 pre-pressing of bolt is rotatably compressed on the main cylinder 1 of undercarriage.Centering A-A faces ensure three hole axles 2 vertical direction with Platen is mutually perpendicular to, and compresses U-shaped pressing plate 3, you can.
Concrete operation step is as described below:
1st, hold U-shaped pressing plate 3 and be installed on three hole axle mounting bases 17 of the main cylinder 1 of undercarriage, and make three holes on U-shaped pressing plate 3 Three hole axle mounting holes 18 on the cylinder 1 main with undercarriage of shaft mounting hole 19 are about coaxial.
The 2nd, three hole axles 2 are inserted into three hole axle mounting holes 19 of U-shaped pressing plate 3, and the first of three hole axle of attentional selection, 2 end face is blind 14 direction of hole.
3rd, bolt 7 is inserted into the 3rd blind hole 16, the first pin hole 13 of U-shaped pressing plate 3 of three hole axles 2, while the second bolt 9 simultaneously It is inserted on three hole axles, 2 end face and is positioned in 16 corresponding first blind hole 14 of the 3rd blind hole.
4th, hold-down bolt 4, briquetting 5 are pre-tightened, checks that error prevention device is not more than 0.05mm with the gap that is bonded of three hole axle end faces, The top surface of inspection error prevention device is bonded 0.05~0.20mm of gap with the main cylinder of undercarriage.
5th, No. 3 part briquettings of No. 4 part bolt presses are fastened, i.e. error prevention device 8 is pressed on the main cylinder 1 of undercarriage by three hole axles 2 On.
6th, the first location hole 11 is processed with brill.

Claims (6)

1. a kind of match somebody with somebody brill error prevention device for the mechanical processing of the main cylinder of undercarriage and three hole axles, it is characterised in that including U-shaped pressing plate (3), the both ends bottom of the U-shaped pressing plate is equipped with three hole axle mounting holes(φ50H8), and set that there are two for pressing at the top of U-shaped pressing plate The main cylinder of tight undercarriage(1)Three hole axle mounting bases(17)Hold-down bolt(4), the bottom of each hold-down bolt is equipped with briquetting(5), Hold-down bolt compresses three hole axle mounting bases by briquetting;The middle part of U-shaped pressing plate is equipped with the claw being arranged in the middle part of three hole axles (6), the one side of claw sets the first pin hole(13), three hole axles can be inserted by being equipped in first pin hole(2)The 3rd blind hole(16) Interior the first bolt for realizing positioning(7);The U-shaped pressing plate is equipped with socket close to one end of three hole axle end faces(10), the socket Interior be equipped with can be inserted into the first blind hole corresponding with the 3rd blind hole in three hole axles(14)The second interior bolt(9);The U-shaped pressing plate(3) One end of three hole axle end faces is provided with the error prevention device to match with the shape of the main cylinder of undercarriage(8).
2. a kind of mechanical processing for the main cylinder of undercarriage and three hole axles according to claim 1 is with brill error prevention device, It is characterized in that, the both ends of the U-shaped pressing plate are mounted in three hole axles on the outside of the three hole axles mounting base.
3. a kind of mechanical processing for the main cylinder of undercarriage and three hole axles according to claim 2 is with brill error prevention device, It is characterized in that, the end face of the U-shaped pressing plate and the outermost side end face of three hole axle fit.
4. a kind of mechanical processing for the main cylinder of undercarriage and three hole axles according to claim 3 is with brill error prevention device, It is characterized in that, the axis of the main cylinder of undercarriage is parallel with platen, and the working face and lathe worker of the hold-down bolt It is mutually perpendicular to as platform.
5. a kind of mechanical processing for the main cylinder of undercarriage and three hole axles according to claim 4 is with brill error prevention device, It is characterized in that, after the hold-down bolt compresses three hole axle mounting bases of the main cylinder of undercarriage, the error prevention device and the main cylinder of undercarriage Three hole axle mounting base one sides fit, and error prevention device is bonded gap with three hole axle end faces no more than 0.05mm, checks anti- Misloading top set face is bonded 0.05~0.20mm of gap with the main cylinder of undercarriage.
6. a kind of mechanical processing for the main cylinder of undercarriage and three hole axles according to claim 5 is with brill error prevention device, It is characterized in that, in use, three hole axle mounting holes on the U-shaped pressing plate and three hole axle mounting holes on the main cylinder of undercarriage are coaxial.
CN201721493251.3U 2017-11-10 2017-11-10 It is a kind of to match somebody with somebody brill error prevention device for the mechanical processing of the main cylinder of undercarriage and three hole axles Active CN207431789U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721493251.3U CN207431789U (en) 2017-11-10 2017-11-10 It is a kind of to match somebody with somebody brill error prevention device for the mechanical processing of the main cylinder of undercarriage and three hole axles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721493251.3U CN207431789U (en) 2017-11-10 2017-11-10 It is a kind of to match somebody with somebody brill error prevention device for the mechanical processing of the main cylinder of undercarriage and three hole axles

Publications (1)

Publication Number Publication Date
CN207431789U true CN207431789U (en) 2018-06-01

Family

ID=62288591

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721493251.3U Active CN207431789U (en) 2017-11-10 2017-11-10 It is a kind of to match somebody with somebody brill error prevention device for the mechanical processing of the main cylinder of undercarriage and three hole axles

Country Status (1)

Country Link
CN (1) CN207431789U (en)

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