CN217096680U - Manual reaming auxiliary clamp for flap pulley yoke joint - Google Patents

Manual reaming auxiliary clamp for flap pulley yoke joint Download PDF

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Publication number
CN217096680U
CN217096680U CN202123166782.0U CN202123166782U CN217096680U CN 217096680 U CN217096680 U CN 217096680U CN 202123166782 U CN202123166782 U CN 202123166782U CN 217096680 U CN217096680 U CN 217096680U
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Prior art keywords
guide sleeve
hole
pulley yoke
support
counterbored
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CN202123166782.0U
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Chinese (zh)
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鲍小松
于晓丽
张洋
张立华
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Avic Shijiazhuang Aircraft Industry Group Corp ltd
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Avic Shijiazhuang Aircraft Industry Group Corp ltd
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Abstract

The utility model relates to a manual reaming auxiliary clamp for a flap pulley yoke joint, which comprises a base, a first positioning pin, a second positioning device, a first bracket, a second bracket, a third bracket and a fourth bracket, wherein the first bracket, the second bracket, the third bracket and the fourth bracket are sequentially arranged on the base from left to right; a first guide sleeve hole is formed in the first support; a semicircular second guide sleeve hole is formed in the second support; a semicircular third guide sleeve hole is formed in the third support; a fourth guide sleeve hole is formed in the fourth support; a first locator pin passes through the first counterbored, the second counterbored, and the second guide sleeve bore; the second positioning device comprises a second positioning sleeve in sliding connection with the fourth guide sleeve hole and a second positioning pin in sliding connection with the second positioning sleeve; the first guide sleeve is fixedly connected with the first reamed hole, and the reamer is connected with the first guide sleeve in a sliding mode; the beneficial effects of the utility model are that, through the second positioner who sets up, the pulley yoke connects the axiality with the bolt hole of pulley yoke when guaranteeing the reaming.

Description

Manual reaming auxiliary clamp for flap pulley yoke joint
Technical Field
The utility model belongs to the technical field of aircraft part riveting pincers worker technique and specifically relates to manual reaming auxiliary fixtures of flap pulley yoke joint.
Background
The wing flap belongs to a key movable connecting part in an airplane part, and the connection between a fuselage and a wing consists of a pulley yoke joint, a pulley yoke and a slide rail of the wing flap. The hole making process of the pulley frame joint and the pulley frame connection phi 12H7 bolt hole is a key process in flap production. The bolt connected with the phi 12H7 bolt hole needs to bear huge pulling force and shearing force in airplane flight, so that strict requirements on the precision, the smoothness and the perpendicularity of the bolt hole are met. When the airplane is riveted, due to the influence of riveting deformation, generally, the pulley yoke joint and the pulley yoke are subjected to phi 6 initial hole pre-assembly, and after riveting is finished, phi 12H7 bolt hole drilling is finished by adopting mechanical finish machining or manual finish machining. But the design requirements of phi 12H7 bolt hole making cannot be met due to the influence of bolt hole positions and spaces, wherein multiple drilling, reaming and reaming are needed. When a certain type of airplane is subjected to rotary packaging production trial production, the bolt hole space position is narrow, the thicknesses of the two parts are large, the verticality and the coaxiality are difficult to guarantee, and the bolt hole is often out of tolerance after manual fine machining through cooperation of multiple persons, so that the design requirement cannot be met.
Among the prior patent with the utility model discloses the closest technique does: the name is a full-automatic reaming machine (application No. CN 201921303087.4); the patent discloses a full-automatic reaming machine, which is provided with a rack, wherein a reaming mechanism and an ash cleaning mechanism are arranged above a workbench in the rack, the reaming mechanism comprises a fixed seat arranged above the workbench, a reaming device is arranged on the fixed seat, the reaming device comprises a gear seat arranged on the fixed seat, a plurality of gear grooves are arranged in the gear seat, driven gears are arranged in the gear grooves, all the driven gears are meshed, a driving gear is arranged on the fixed seat, a reaming motor is arranged below the workbench, the output end of the reaming motor penetrates through the workbench and the fixed seat to be connected to the driving gear, the driving gear is meshed with the driven gear, a reaming needle is arranged on a gear shaft of the driven gear, and a fixing mechanism is arranged above the reaming device; the utility model has the following disadvantages: the structure is complex, and the manufacturing cost is high; counterboring unsuitable for a particular component;
the prior patent also has application number CN201822157562.3, which is named as an automatic reaming machine for bearings, and discloses an automatic reaming machine for bearings, which comprises a main control unit of a reaming machine table, a feeding device, a reaming unit and a rotary feeding manipulator; the feeding device is provided with a feeding station, and the reaming unit is provided with a reaming station; the rotary feeding manipulator reciprocates between the feeding station and the reaming station; a first ejector rod and a first ejector rod driving device for driving the first ejector rod to lift are arranged at the feeding station; a second ejector rod and a second ejector rod driving device for driving the second ejector rod to lift are arranged at the reaming station; the reaming unit comprises a reamer, a reamer rotation driving device and a reamer lifting driving device; a wiping unit for wiping the reamer is also configured; the patent is only suitable for mass production and is not suitable for reaming of small-batch special places.
The above disadvantages need to be overcome, so there is a need for a reaming jig which is convenient, fast, safe and reliable.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a manual reaming auxiliary fixture of wing flap pulley yoke joint, cooperation reaming between can convenient and fast to pulley yoke joint, the pulley yoke to guarantee the precision after the reaming.
In order to solve the problems, the utility model adopts the following technical proposal,
the manual reaming auxiliary clamp for the flap pulley yoke joint is used for reaming between the pulley yoke and the pulley yoke joint; a first reamed hole and a third reamed hole are formed in the pulley frame; a second reamed hole and a fourth reamed hole are formed in the pulley frame joint; the first counterbored and the second counterbored are equal in diameter; the third counterbored and the fourth counterbored are equal in diameter; the device comprises a base, a first positioning pin, a second positioning device, a first bracket, a second bracket, a third bracket and a fourth bracket, wherein the first bracket, the second bracket, the third bracket and the fourth bracket are sequentially arranged on the base from left to right; a first guide sleeve hole is formed in the first support; a semicircular second guide sleeve hole is formed in the second support; a semicircular third guide sleeve hole is formed in the third support; a fourth guide sleeve hole is formed in the fourth support; the first locating pin passes through the first counterbored, the second counterbored and the second guide sleeve bore; and the second positioning device penetrates through the third reamed hole, the fourth reamed hole, the third guide sleeve hole and the fourth guide sleeve hole.
Further, the second positioning device comprises a second positioning sleeve in sliding connection with the fourth guide sleeve hole and a second positioning pin in sliding connection with the second positioning sleeve; the second locating pin is in sliding connection with the third and fourth counterbores.
Further, still include with first uide bushing of first reamed fixed connection and with the reamer of first uide bushing sliding connection.
Furthermore, a through hole for the pulley yoke to pass through is formed in the base.
Further, the center lines of the first guide sleeve hole, the second guide sleeve hole, the third guide sleeve hole and the fourth guide sleeve hole are overlapped.
Further, the diameters of the first guide sleeve hole, the second guide sleeve hole, the third guide sleeve hole and the fourth guide sleeve hole are equal.
Further, the first guide sleeve is provided with a flange for preventing the first guide sleeve from being displaced.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the manual reaming auxiliary fixture for the flap pulley yoke joint is formed by numerical control milling, is placed on the position of the flap pulley yoke joint object according to the size of the flap pulley yoke joint object, and is sequentially reamed from two sides, so that the coaxiality between holes is ensured to be transferred through the manual reaming auxiliary fixture, the out-of-tolerance probability is reduced, the time cost is saved, the working efficiency is greatly improved, the product quality is improved, and the user satisfaction is improved;
2. the first positioning pin penetrates through the first counterbored hole, the second counterbored hole and the second guide sleeve hole, and auxiliary positioning is carried out on the pulley frame joint and the pulley frame; the first positioning pin 8 is arranged to ensure that two holes are concentric when the first reamed hole and the second reamed hole are matched for drilling and reaming;
3. through the arranged second positioning device, the second positioning device comprises a second positioning sleeve in sliding connection with the fourth guide sleeve hole and a second positioning pin in sliding connection with the second positioning sleeve; the second locating pin is in sliding connection with the third and fourth counterbores; the pulley frame joint and the pulley frame can be positioned, so that the coaxiality of the chambering is ensured;
4. a flange for preventing the first guide sleeve from being displaced is arranged on the first guide sleeve; the first guide sleeve is prevented from being detached from the first bracket along with the reamer.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at B;
FIG. 3 is a schematic structural view of the base and the first, second, third and fourth supports;
fig. 4 is a schematic structural view of the pulley yoke joint 3 and the pulley yoke 4 when they are matched;
fig. 5 is a schematic view of fig. 3 taken along direction a.
The reference numbers in the figures illustrate:
1-a base; 10-a through hole; 2. 5, 6, 7
2-a first scaffold; 20-a first guide sleeve hole;
3-pulley frame joint, 30-second reamed hole, 31-fourth reamed hole;
4-pulley frame, 40-first reamed hole, 41-third reamed hole;
5-a second support; 50-a second guide sleeve hole;
6-a third stent; 60-a third guide sleeve hole;
7-a fourth bracket, 70-a fourth guide sleeve hole, 71-a second positioning sleeve, 72-a second positioning pin, 73-a first guide sleeve and 74-a reamer;
8-first alignment pin.
Detailed Description
It should be noted at the outset that the discussion of any embodiment of the present invention is merely exemplary in nature, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; there are many other variations of the different aspects of the invention as described above which are not provided in detail for the sake of brevity. Accordingly, other embodiments are within the scope of the following claims.
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention.
Example 1
As shown in fig. 1-5:
the wing flap belongs to a key movable connecting part in an airplane part, and the first step is that the connection between a fuselage and a wing is riveted by a pulley yoke joint 3 of the wing flap, and a pulley yoke 4 is riveted with a sliding rail; the pulley yoke joint 3 is then reassembled with the pulley yoke 4. The pulley yoke joint 3 is connected with the pulley yoke 4 through a bolt with the diameter of 12mm, and the hole making process of the phi 12H7 bolt hole of the pulley yoke joint 3 and the pulley yoke 4 is a key process in flap production. The bolt connected with the phi 12H7 bolt hole needs to bear huge pulling force and shearing force in airplane flight, so that strict requirements on the precision, the smoothness and the perpendicularity of the bolt hole are met. When the airplane is riveted, due to the influence of riveting deformation, generally, the pulley yoke joint 3 and the pulley yoke 4 are subjected to phi 6 initial hole pre-assembly, and after riveting is finished, phi 12H7 bolt hole drilling is finished by adopting mechanical finish machining or manual finish machining; for convenience of description, the bolt holes on the pulley yoke 3 and the pulley yoke 4 are renamed as follows: a first reamed hole 40 and a third reamed hole 41 are arranged on the pulley frame 4; a second counterbored hole 30 and a fourth counterbored hole 31 are arranged on the pulley yoke joint 3; the first, second, third and fourth counterbores 40, 30, 41 and 31 are of equal diameter;
the manual reaming auxiliary clamp for the flap pulley yoke joint is used for reaming between the pulley yoke 4 and the pulley yoke joint 3; the device comprises a base 1, a second positioning device, a first bracket 2, a second bracket 5, a third bracket 6 and a fourth bracket 7 which are sequentially arranged on the base 1 from left to right;
a first guide sleeve hole 20 is formed in the first support 2; a semicircular second guide sleeve hole 50 is formed in the second bracket 5; a semicircular third guide sleeve hole 60 is formed in the third support 6; a fourth guide sleeve hole 70 is formed in the fourth bracket 7;
the second positioning device passes through the third counterbored hole 41, the fourth counterbored hole 31, the third guide sleeve hole 60, and the fourth guide sleeve hole 70, and ensures that the third counterbored hole 41 is concentric with the fourth counterbored hole 31, the third guide sleeve hole 60, and the fourth guide sleeve hole 70.
The second positioning device comprises a second positioning sleeve 71 connected with the fourth guide sleeve hole 70 in a sliding manner and a second positioning pin 72 connected with the second positioning sleeve 71 in a sliding manner; the second positioning pin 72 is slidably coupled to the third counterbore 41 and the fourth counterbore 31.
Further comprising a first guide sleeve 73 fixedly coupled to the first counterbored hole 20 and a reamer 74 slidably coupled to the first guide sleeve 73.
The base 1 is provided with a through hole 10 for the pulley yoke 4 to pass through.
The center lines of the first guide sleeve hole 20, the second guide sleeve hole 50, the third guide sleeve hole 60 and the fourth guide sleeve hole 70 are coincident.
The diameters of the first guide sleeve hole 20, the second guide sleeve hole 50, the third guide sleeve hole 60 and the fourth guide sleeve hole 70 are equal.
The first guide sleeve 73 is made of wear-resistant brass. The brass material is relatively wear-resistant, and can ensure a certain service life.
The first guide sleeve 73 is provided with a flange that prevents the first guide sleeve 73 from being displaced; the provision of the flange prevents the first guide sleeve 73 from being removed from the first carrier 2 as the drill bit of the reamer 4 drills a hole, thereby causing a guide offset of the reamer 4 and eventually causing the first reamed bore 40 and the third reamed bore 30 to become non-concentric.
The method comprises the steps of expanding a hole with the diameter of 6mm into a hole with the diameter of 12mm, generally carrying out multiple times of hole expansion, and determining the process steps of expanding the hole to the diameter of 8mm, then expanding the hole to the diameter of 10mm, finally expanding the hole to the diameter of 11.5mm, and then carrying out fine reaming to the diameter of 12H7 through repeated experiments. Thus, the specifications of the first guide sleeve 73 are required to have inner diameters of 8mm, 10mm, 11.5mm and 12mm, respectively; the operation will be described in detail below.
The utility model has the working process;
firstly, a first guide sleeve 73 with the inner diameter of 8mm is arranged in a first guide sleeve hole 20, and a pulley yoke joint 3 and a pulley yoke 4 are assembled on a base 1; the second positioning sleeve 71 is arranged in the fourth guide sleeve hole 70, and the second positioning pin 72 firstly passes through the second positioning sleeve 71, then passes through the fourth counterbored hole 31, the third counterbored hole 41 and finally passes through the third guide sleeve hole 60, so that the fourth counterbored hole 31, the third counterbored hole 41 and the second positioning sleeve 71 are concentric; opening the reamer 74 to ream the first reamed hole 20 and the second reamed hole 50 to a diameter of 8 mm;
secondly, installing a first guide sleeve 73 with the inner diameter of 10mm in the second guide sleeve hole 20; changing the bit of the reamer 74 to 10mm, opening the reamer 74, and reaming the first reamed hole 20 and the second reamed hole 50 to 10mm in diameter;
thirdly, the first guide sleeve 73 with the inner diameter of 11.5mm is arranged in the second guide sleeve hole 20; changing the bit of the reamer 74 to 11.5mm gauge, opening the reamer 74, and reaming the first reamed hole 20 and the second reamed hole 50 to 11.5mm diameter;
fourthly, mounting the first guide sleeve 73 with the inner diameter of 12mm in the second guide sleeve hole 20; changing the bit of the reamer 74 to 12mm, opening the reamer 74, and reaming the first reamed hole 20 and the second reamed hole 50 to 12mm in diameter; finishing the operation of the first reamed hole 20 and the second reamed hole 50 on one side of the pulley frame joint 3 and the pulley frame 4;
fifthly, mounting a first guide sleeve 73 with the inner diameter of 8mm in a fourth guide sleeve hole 70, and assembling the pulley frame joint 3 and the pulley frame 4 on the base 1; the second positioning sleeve 71 is arranged in the first guide sleeve hole 20, and the second positioning pin 72 firstly passes through the second positioning sleeve 71, then passes through the first reamed hole 30, the second reamed hole 40 and finally passes through the second guide sleeve hole 50, so that the first reamed hole 30, the second reamed hole 40 and the second positioning sleeve 71 are concentric; opening the reamer 74 to ream the first reamed hole 20 and the second reamed hole 50 to a diameter of 8 mm; the following steps and the preceding are repeated and are not described.
Example 2
This embodiment has basically the same structure as embodiment 1,
the difference lies in that; also comprises a first positioning pin 8; the first positioning pin 8 passes through the first reamed hole 40, the second reamed hole 30 and the second guide sleeve hole 50 to assist in positioning the pulley frame joint 3 and the pulley frame 4; the first locating pin 8 is provided to ensure that the first and second counterbores 40, 30 are concentric when being counterbored.
The working principle and the using method of the embodiment are basically the same as those of the embodiment 1; it will not be described in detail.
Example 3
The structure of the present embodiment is substantially the same as that of embodiment 1, except that the present embodiment further includes a third guide sleeve fixedly connected to the third guide sleeve hole 60; the third guide sleeve is in sliding connection with the second positioning pin 72; a third guide sleeve and a second guide sleeve 71 are arranged; when the positioning pin 72 positions the third counterbore 60 and the fourth counterbore 70, the positioning pin is guided and positioned by two fulcrums of the third guide sleeve and the second guide sleeve 71, which is more stable.
The working principle of the embodiment is basically the same as that of the embodiment 1; will not be described in detail.
At present, the technical scheme of the application adopts the best implementation mode of the embodiment 1, and pilot test is carried out, namely small-scale experiment of products before large-scale mass production; after the pilot test is finished, the investigation for the use of the user is carried out in a small range, and the investigation result shows that the satisfaction degree of the user is higher; the preparation of the product for formal production for industrialization (including intellectual property risk early warning investigation) is already set out; the above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (7)

1. The manual reaming auxiliary clamp for the flap pulley yoke joint is used for reaming between the pulley yoke (4) and the pulley yoke joint (3); a first reamed hole (40) and a third reamed hole (41) are arranged on the pulley frame (4); a second counterbored hole (30) and a fourth counterbored hole (31) are arranged on the pulley frame joint (3); the first counterbored (40) and the second counterbored (30) are equal in diameter; said third counterbored (41) and said fourth counterbored (31) being of equal diameter; the device is characterized by comprising a base (1), a first positioning pin (8), a second positioning device, a first support (2), a second support (5), a third support (6) and a fourth support (7), wherein the first support, the second support, the third support and the fourth support are sequentially arranged on the base (1) from left to right; a first guide sleeve hole (20) is formed in the first support (2); a semicircular second guide sleeve hole (50) is formed in the second support (5); a semicircular third guide sleeve hole (60) is formed in the third support (6); a fourth guide sleeve hole (70) is formed in the fourth support (7); the first locating pin (8) passes through the first counterbored hole (40), the second counterbored hole (30), and the second guide sleeve hole (50); the second locating means passes through the third and fourth counterbores (41, 31), a third guide sleeve bore (60) and the fourth guide sleeve bore (70).
2. The flap pulley yoke joint manual reaming assistance fixture of claim 1, characterized in that: the second positioning device comprises a second positioning sleeve (71) connected with the fourth guide sleeve hole (70) in a sliding mode and a second positioning pin (72) connected with the second positioning sleeve (71) in a sliding mode; the second locating pin (72) is in sliding connection with the third counterbore (41) and the fourth counterbore (31).
3. The flap pulley yoke joint manual reaming assistance fixture of claim 1, characterized in that: also included is a first guide sleeve (73) fixedly connected to the first counterbored hole (40) and a reamer (74) slidably connected to the first guide sleeve (73).
4. The flap pulley yoke joint manual reaming assistance fixture of claim 1, characterized in that: the base (1) is provided with a through hole (10) for the pulley yoke (4) to pass through.
5. The flap pulley yoke joint manual reaming assistance fixture of claim 1, characterized in that: the center lines of the first guide sleeve hole (20), the second guide sleeve hole (50), the third guide sleeve hole (60) and the fourth guide sleeve hole (70) are overlapped.
6. The flap pulley yoke joint manual reaming assistance fixture of claim 5, characterized in that: the diameters of the first guide sleeve hole (20), the second guide sleeve hole (50), the third guide sleeve hole (60) and the fourth guide sleeve hole (70) are equal.
7. The flap pulley yoke joint manual reaming assistance fixture of claim 3, characterized in that: the first guide sleeve (73) is provided with a flange preventing the first guide sleeve (73) from being displaced.
CN202123166782.0U 2021-12-14 2021-12-14 Manual reaming auxiliary clamp for flap pulley yoke joint Active CN217096680U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123166782.0U CN217096680U (en) 2021-12-14 2021-12-14 Manual reaming auxiliary clamp for flap pulley yoke joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123166782.0U CN217096680U (en) 2021-12-14 2021-12-14 Manual reaming auxiliary clamp for flap pulley yoke joint

Publications (1)

Publication Number Publication Date
CN217096680U true CN217096680U (en) 2022-08-02

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ID=82590233

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123166782.0U Active CN217096680U (en) 2021-12-14 2021-12-14 Manual reaming auxiliary clamp for flap pulley yoke joint

Country Status (1)

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CN (1) CN217096680U (en)

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