A reaming positioning device for butt bolt holes on a central wing of an aircraft

Abstract

The application provides a kind of reaming positioning device for butt joint bolt hole on aircraft central wing, belongs to the technical field of aviation equipment, cooperate with positioning pin, including four-bar linkage mechanism of short handle, connecting rod, long handle, rocker arm, circular ring is arranged below rocker arm, long handle is connected with positioning sleeve below, circular ring and positioning sleeve are clamped in the position to be reamed in cooperation, adjust the position of long handle on positioning sleeve, and then adjust the spacing of circular ring and positioning sleeve, when using, positioning pin is inserted into positioning sleeve, the head of positioning pin is inserted into butt joint bolt hole to be reamed for positioning, positioning pin is withdrawn after short handle is pushed to complete clamping, and reaming operation is carried out using reamer.The application can be effectively fixed at butt joint hole, ensure that central wing butt joint reaming work is normally carried out, device operation is simple and fast, can ensure aircraft repair quality, effectively improve production efficiency.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of aviation equipment, and relates to a device for positioning reaming of butt bolt holes on a central wing of an airplane. BACKGROUND

[0002] When repairing the central wing and the outer wing of an airplane, the diameters of the butt bolt holes need to be measured, and the reaming of the over-dimensioned bolt holes needs to be repaired. There are more than 400 butt bolt holes on a single airplane. Because of the special shape of the area, when positioning the reaming of the over-dimensioned butt bolt holes, the existing positioning tools are difficult to install and the repair work cannot be carried out according to the normal schedule. Therefore, there is an urgent need for a device that can be effectively fixed and conveniently disassembled. SUMMARY

[0003] The present application aims to provide a device for positioning reaming of butt bolt holes on a central wing of an airplane, which can conveniently and effectively ream the over-dimensioned butt bolt holes on the central wing of the airplane, and ensure the normal progress of the repair task.

[0004] The object of the present application is achieved by the following technical solution:

[0005] A device for positioning reaming of butt bolt holes on a central wing of an airplane, which comprises a short handle 1, a connecting rod 2, a long handle 3, a rocker arm 6, and a positioning sleeve 7, which is used in cooperation with a positioning pin. The positioning pin is a stepped pin, the outer diameter of the large-diameter section of which cooperates with the positioning sleeve 7, and the outer diameter of the small-diameter section cooperates with the butt bolt hole to be reamed. According to the size of the diameter of the butt bolt hole, a series of stepped pins with the same large-diameter section and different small-diameter sections are prepared.

[0006] One end of the connecting rod 2 is rotatably connected to the lower part of the short handle 1, and the other end is rotatably connected to the middle part of the long handle 3. The rocker arm 6 is generally triangular in shape, and the two corners are rotatably connected to the lower end of the short handle 1 and the lower part of the long handle 3, respectively. The short handle 1, the connecting rod 2, the long handle 3, and the rocker arm 6 form a four-bar linkage structure. The connecting rod 2 is arranged to increase the locking force. The other corner of the rocker arm 6 is provided with a circular ring, the central axis of which is arranged along the movement direction of the rocker arm 6, and the inner diameter of the circular ring is larger than the maximum diameter of the butt bolt hole on the airplane.

[0007] The positioning sleeve 7 is a cylindrical structure with a through hole, the hole diameter and length of which are matched with the large diameter section of the positioning pin, and the positioning sleeve 7 is arranged at the lower end of the long handle 3 with the axis of the through hole arranged along the movement direction, used for matching with the ring of the rocker arm 6 to realize that the hinge hole positioning device is clamped at the butt bolt hole to be drilled, and the four-bar linkage structure composed of the short handle 1, the connecting rod 2, the long handle 3 and the rocker arm 6 is a fixed dead point when clamped; the gap between the rocker arm 6 and the positioning sleeve 7 is adjusted by adjusting the position of the lower end of the long handle 3 on the positioning sleeve 7; the positioning pin is inserted into the through hole of the positioning sleeve 7 from the outside, the large diameter section of the positioning pin is matched with the gap of the positioning sleeve 7, and the small diameter section of the positioning pin is inserted into the butt bolt hole to be drilled to realize the positioning of the hinge hole device at the hinge hole position.

[0008] Further, the upper side outer wall of the positioning sleeve 7 is provided with a boss in the middle part, a groove is arranged in the boss, and coaxial through holes are arranged at both ends of the groove along the movement direction; the lower end of the long handle 3 is provided with a threaded through hole along the movement direction, the lower end of the long handle 3 is inserted into the groove of the boss of the positioning sleeve 7 and can move along the groove, a threaded rod is inserted through the threaded through hole of the lower end of the long handle 3 and the two through holes on the boss of the positioning sleeve 7 to realize the connection of the long handle 3 and the positioning sleeve 7; two adjusting supports 5 are respectively arranged outside the two through holes on the boss of the positioning sleeve 7, and threaded grooves are arranged in the middle parts of the two adjusting supports 5 to limit the two ends of the threaded rod in the threaded grooves, the position of the long handle 3 in the groove of the boss of the positioning sleeve 7 is adjusted by screwing the threaded rod, and then the gap between the rocker arm 6 and the positioning sleeve 7 is adjusted.

[0009] Further, the upper end of the short handle 1 and the long handle 3 is a handle, which is smoothly processed for easy use, and the front root part of the handle holding part is gradually strengthened to enhance the strength and service life.

[0010] Further, the connecting holes are arranged at the connecting parts of the short handle 1, the connecting rod 2, the long handle 3 and the rocker arm 6, and the rotating connection is realized through bolts, and the bushings 4 are arranged in the connecting holes to protect the connecting holes and enable the parts to rotate.

[0011] Further, the surface of the positioning sleeve 7 in contact with the machine body is protected by a thermoplastic material to prevent scratching the surface of the machine body.

[0012] The installation and use process is as follows:

[0013] The bushings 4 are arranged in the connecting holes, the one end of the connecting rod 2 is connected with the short handle 1 through a bolt, the other end of the connecting rod 2 is connected with the long handle 3, the short handle 1 is connected with one corner of the rocker arm 6, and the long handle 3 is connected with the other corner of the rocker arm 6; the lower end of the long handle 3 is deeply inserted into the groove of the boss of the positioning sleeve 7, the threaded rod is inserted and fixed by the adjusting supports 5.

[0014] Before use, the hinge positioning device is in an open state, the positioning pin is pulled out from the hole of the positioning sleeve 7 to the direction of the rocker arm 6, is pulled into the butt bolt hole of the required hinge, ensures that the hinge positioning device is coaxial with the butt bolt hole, adjusts the bolt rod after supporting the long handle 3, makes the positioning sleeve 7 to the appropriate position, pulls the short handle 1 to drive the connecting rod 2 and the rocker arm 6 to move, makes the ring of the rocker arm 6 engage with the positioning pin, and is clamped and fixed on the machine body, at this time, the hinge positioning device is in a clamped state; the positioning pin is removed and is replaced with a corresponding reamer, and the reaming operation is performed from the positioning sleeve 7 to the direction of the rocker arm 6, in the reaming operation, the hinge positioning device remains stationary; after the reaming operation, the reamer is removed, the short handle 1 is pushed in the reverse direction to drive the connecting rod 2 and the rocker arm 6 to move, the hinge positioning device is restored to the open state, and then the hinge positioning device is removed.

[0015] The beneficial effects of the present application are:

[0016] 1. The present application can effectively fix more than 400 butt joint holes of a certain type of aircraft central wing and outer wing, ensure the normal operation of the central wing butt joint reaming of the aircraft, the device is simple and fast to operate, can ensure the quality of aircraft repair, and effectively improve the production efficiency.

[0017] 2. The long handle and the short handle are connected by the connecting rod, so that labor can be saved when clamping, and the clamping effect is increased;

[0018] 3. The spacing between the positioning sleeve and the rocker arm of the present application can be adjusted by adjusting the fixing bolts on the support, so that the positioning sleeve moves at the end of the long handle, and the spacing between the positioning sleeve and the rocker arm is ensured to meet the actual machine conditions.

[0019] 4. When the device is used, the device can be coaxial with the hole of the machine body, and the clamping angle does not need to be adjusted.

[0020] 5. The present application can be used for other hinge reaming operations. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structure schematic view of each component of the hinge positioning device of the present application;

[0022] Figure 2 It is a sectional view of the hinge positioning device of the present application;

[0023] Figure 3 It is a working opening schematic view of the hinge positioning device of the present application;

[0024] Figure 4 It is a working closing schematic view of the hinge positioning device of the present application;

[0025] Figure 5 It is a positioning sleeve part schematic view of the hinge positioning device of the present application;

[0026] Figure 6 Fig. 1 is a schematic view of a positioning pin structure;

[0027] Fig. 1 is a schematic view of a positioning pin structure; DETAILED DESCRIPTION

[0028] The technical solutions of the present application will be described below. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments improved or adjusted by those skilled in the art shall fall within the protection scope of the present application.

[0029] A hinge reaming positioning device for butt joint bolt holes on a central wing of an airplane, as shown in Figure 1 and Figure 2 , the hinge reaming positioning device comprises a short handle 1, a connecting rod 2, a long handle 3, a bushing 4, an adjusting support 5, a rocker arm 6, and a positioning sleeve 7, which are used in cooperation with a positioning pin, as shown in Figure 6 The positioning pin is a stepped pin, the outer diameter of the large-diameter section of which cooperates with the positioning sleeve 7, and the outer diameter of the small-diameter section of which cooperates with the butt joint bolt hole to be reamed. According to the size of the butt joint bolt hole, a series of stepped pins with the same outer diameter of the large-diameter section and different outer diameters of the small-diameter section are prepared. The outer diameter of the operating handle at the end of the large-diameter section is larger than that of the large-diameter section, which is convenient for operation.

[0030] The upper parts of the short handle 1 and the long handle 3 are smoothly processed to facilitate use, and the front root of the handle holding part is gradually strengthened to enhance the strength and service life. The lower parts of the short handle 1 and the long handle 3 are provided with grooves, and the lower end of the long handle 3 is provided with a threaded through hole along the movement direction. The connecting rod 2 is inserted into the lower part of the short handle 1 and the middle part of the long handle 3 at both ends and then is rotationally connected. The grooves of the short handle 1 and the long handle 3 are provided with transition zones to prevent interference with the connecting rod 2. The rocker arm 6 is in the shape of a triangle, and the upper two corners thereof are inserted into the lower end of the short handle 1 and the lower part of the long handle 3 and then are rotationally connected. The short handle 1, the connecting rod 2, the long handle 3, and the rocker arm 6 form a four-bar linkage structure. The connecting rod 2 can increase the locking force. Connection holes are arranged at the connection positions of the short handle 1, the connecting rod 2, the long handle 3, and the rocker arm 6, and the bushing 4 is arranged in the connection holes to protect the connection holes. Bolts are arranged in the bushing 4 to rotationally connect the components. The other corner of the rocker arm 6 is provided with a circular ring, the central axis of which is arranged along the movement direction of the rocker arm 6, and the inner diameter of the circular ring is larger than the maximum diameter of the butt joint bolt hole on the airplane.

[0031] As shown in Figure 5As shown, the positioning sleeve 7 is a cylindrical structure with a through hole, the hole diameter and length are matched with the large diameter section of the positioning pin, it is arranged at the lower end of the long handle 3, and the axis of the through hole is arranged along the movement direction, used to cooperate with the ring of the rocker arm 6, to realize that the hinge positioning device is clamped at the butt bolt hole to be drilled, the four-bar linkage structure composed of the short handle 1, the connecting rod 2, the long handle 3 and the rocker arm 6 is a fixed dead point when clamped; a boss is arranged in the middle of the outer wall of the upper side of the positioning sleeve 7, a groove is arranged in the boss, and coaxial through holes are arranged at both ends of the groove along the movement direction; the lower end of the long handle 3 is inserted into the groove of the boss of the positioning sleeve 7 and can move along the groove, a threaded rod passes through the threaded through hole at the lower end of the long handle 3 and the two through holes on the boss of the positioning sleeve 7, to realize the connection of the long handle 3 and the positioning sleeve 7; two adjusting supports 5 are respectively arranged outside the two through holes on the boss of the positioning sleeve 7, and threaded grooves are arranged in the middle of both, the two ends of the threaded rod are limited in the threaded grooves, the position of the long handle 3 in the groove of the boss of the positioning sleeve 7 is adjusted by screwing the threaded rod, and then the gap between the rocker arm 6 and the positioning sleeve 7 is adjusted; the positioning pin is inserted into the through hole of the positioning sleeve 7 from the outside, the large diameter section of the positioning pin is matched with the gap of the positioning sleeve 7, and the small diameter section of the positioning pin is inserted into the butt bolt hole to be drilled, to realize the positioning of the hinge drilling device on the hinge drilling position; the contact surface between the positioning sleeve 7 and the machine body is protected by a heat shrink tube to prevent scratching the surface of the machine body.

[0032] The installation and use process are as follows:

[0033] Put the bushing 4 into each connecting hole, insert one end of the connecting rod 2 into the groove of the short handle 1 and connect by rotating the bolt, insert the other end of the connecting rod 2 into the groove of the long handle 3 and connect by rotating the bolt, insert one corner of the rocker arm 6 into the groove of the short handle 1 and connect by rotating the bolt, insert the other corner of the rocker arm 6 into the groove of the long handle 3 and connect by rotating the bolt; insert the lower end of the long handle 3 into the groove of the boss of the positioning sleeve 7, insert the threaded rod and fix it by using the adjusting support 5.

[0034] Before use, the hinge positioning device is in an open state (as shown in Figure 3 ), the positioning pin is inserted into the butt bolt hole to be drilled from the hole of the positioning sleeve 7 in the direction of the rocker arm 6, to ensure that the hinge positioning device is coaxial with the butt bolt hole, hold the long handle 3 and adjust the bolt rod, so that the positioning sleeve 7 is in a suitable position, pull the short handle 1 to drive the connecting rod 2 and the rocker arm 6 to move, so that the ring of the rocker arm 6 is engaged with the positioning pin and clamped and fixed on the machine body, at this time the hinge positioning device is in a clamped state (as shown in Figure 4 ), remove the positioning pin and replace it with a corresponding reamer, perform the hinge drilling operation from the positioning sleeve 7 to the rocker arm 6, and during the hinge drilling operation, the hinge positioning device remains stationary; after the hinge drilling operation, remove the reamer and push the short handle 1 to drive the connecting rod 2 and the rocker arm 6 in the reverse direction, so that the hinge positioning device returns to the open state and is removed.

[0035] The above embodiments only express the implementation ways of the present application, and cannot be understood as the limitation to the scope of the present application patent. It should be pointed out that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application.

Claims

1. An aircraft center wing upper butt bolt hole reaming locator device, characterized by, The reaming positioning device comprises a short handle (1), a connecting rod (2), a long handle (3), a rocker arm (6) and a positioning sleeve (7) matched with a positioning pin, wherein the positioning pin is a stepped pin, the outer diameter of the large diameter section of the pin is matched with the positioning sleeve (7), and the outer diameter of the small diameter section of the pin is matched with the butt bolt hole to be reamed; One end of the connecting rod (2) is rotatably connected with the lower part of the short handle (1), and the other end is rotatably connected with the middle part of the long handle (3); the rocker arm (6) is in the shape of a triangle, and two corners thereof are rotatably connected with the lower end of the short handle (1) and the lower part of the long handle (3), respectively; the short handle (1), the connecting rod (2), the long handle (3) and the rocker arm (6) form a four-bar linkage structure, and the four-bar linkage structure is a fixed dead point when clamping; the other corner of the rocker arm (6) is provided with a circular ring, the central axis of the circular ring is arranged along the movement direction of the rocker arm (6), and the inner diameter of the circular ring is greater than the maximum hole diameter in the butt bolt hole on the machine. The positioning sleeve (7) is a columnar structure with a through hole, the hole diameter and length of which are matched with the large diameter section of the positioning pin, the positioning sleeve (7) is arranged at the lower end of the long handle (3), and the central axis of the through hole of the positioning sleeve (7) is arranged along the movement direction, so as to be matched with the circular ring of the rocker arm (6) and realize that the reaming positioning device is clamped at the butt bolt hole to be reamed; the gap between the rocker arm (6) and the positioning sleeve (7) is adjusted by adjusting the position of the lower end of the long handle (3) on the positioning sleeve (7); the positioning pin is inserted into the through hole of the positioning sleeve (7) from the outside, the large diameter section of the positioning pin is matched with the positioning sleeve (7) in a gap, and the small diameter section of the positioning pin is inserted into the butt bolt hole to be reamed, so as to realize the positioning of the reaming device at the reaming position.

2. An aircraft center wing upper latching bolt hole reaming and positioning device according to claim 1, wherein, A boss is arranged in the middle of the outer wall of the upper side of the positioning sleeve (7), a groove is arranged in the boss, and coaxial through holes are arranged at both ends of the groove along the movement direction; a threaded through hole along the movement direction is arranged at the lower end of the long handle (3), the lower end of the long handle (3) is inserted into the groove of the boss of the positioning sleeve (7) and can move along the groove, a threaded rod is inserted through the threaded through hole at the lower end of the long handle (3) and the two through holes on the boss of the positioning sleeve (7), so as to realize the connection between the long handle (3) and the positioning sleeve (7); two adjusting supports (5) are respectively arranged outside the two through holes on the boss of the positioning sleeve (7), a threaded groove is arranged in the middle of each of the two adjusting supports (5), the two ends of the threaded rod are limited in the threaded grooves, the position of the long handle (3) in the groove of the boss of the positioning sleeve (7) is adjusted by screwing the threaded rod, and then the gap between the rocker arm (6) and the positioning sleeve (7) is adjusted.

3. An aircraft center wing upper latching bolt hole reaming and positioning device as defined in Claim 1 wherein, Connecting holes are arranged at the connection positions of the short handle (1), the connecting rod (2), the long handle (3) and the rocker arm (6), and the connecting holes are rotatably connected by bolts; a bushing (4) is arranged in the connecting hole to protect the connecting hole.

4. An aircraft center wing upper latching bolt hole reaming and positioning device as defined in Claim 1 wherein, The upper ends of the short handle (1) and the long handle (3) are handles, which are smoothly processed; the front root part of the handle holding part is gradually strengthened.

5. An aircraft center wing upper latching bolt hole reaming and positioning device as defined in Claim 1 wherein, The contact surface between the positioning sleeve (7) and the machine body is protected by a thermoplastic material to prevent scratching the surface of the machine body.

Images