阅读说明：本技术 一种用于飞机跨距接头配件同轴安装的设备及使用方法 (Equipment for coaxially mounting aircraft span joint fittings and using method ) 是由 谢富原 李彦哲 于 2021-09-02 设计创作，主要内容包括：本发明公开了一种用于飞机跨距接头配件同轴安装的设备及使用方法,包括箱体,所述箱体的顶部开设有调节槽,所述调节槽的内壁上开设有限制槽,所述限制槽的内侧嵌合安装有嵌合板,所述嵌合板的顶部安装有支撑板,所述支撑板的顶部安装有支撑柱,所述支撑柱的顶部内侧贯穿安装有风动装置,所述风动装置的输出端安装有连接槽；所述箱体的正面安装有活动板。本发明通过安装有两组钻头,风动装置运行带动输出端的连接槽旋转,连接槽转动带动内侧的钻头进行转动,两组钻头从两侧向中心靠近,可以对两组接头同时钻孔,同时两侧钻头的转向为相反方向,保证钻头手里均匀,这样既能保证跨距接头的同轴度,还能避免孔径超差。(The invention discloses equipment for coaxially installing span joint accessories of an airplane and a using method of the equipment, wherein the equipment comprises a box body, the top of the box body is provided with an adjusting groove, the inner wall of the adjusting groove is provided with a limiting groove, the inner side of the limiting groove is embedded and installed with an embedded plate, the top of the embedded plate is provided with a supporting plate, the top of the supporting plate is provided with a supporting column, the inner side of the top of the supporting column is provided with a pneumatic device in a penetrating way, and the output end of the pneumatic device is provided with a connecting groove; a movable plate is installed on the front face of the box body. According to the invention, two groups of drill bits are installed, the pneumatic device operates to drive the connecting groove at the output end to rotate, the connecting groove rotates to drive the drill bits at the inner side to rotate, the two groups of drill bits approach to the center from two sides, the two groups of joints can be drilled simultaneously, and the drill bits at the two sides rotate in opposite directions, so that the uniformity of the drill bits in hand is ensured, the coaxiality of span joints can be ensured, and the aperture over-tolerance can be avoided.)

1. An apparatus for the coaxial installation of aircraft span joint fittings and a method of use, comprising a housing (1), characterized in that: the pneumatic device is characterized in that an adjusting groove (101) is formed in the top of the box body (1), a limiting groove (102) is formed in the inner wall of the adjusting groove (101), an embedded plate (202) is installed on the inner side of the limiting groove (102) in an embedded mode, a supporting plate (201) is installed on the top of the embedded plate (202), a supporting column (2) is installed on the top of the supporting plate (201), a pneumatic device (204) penetrates through the inner side of the top of the supporting column (2), and a connecting groove (3) is installed at the output end of the pneumatic device (204);

a movable plate (5) is mounted on the front surface of the box body (1), and a penetrating ring (501) penetrates through the inner side of the movable plate (5);

the inner wall of the box body (1) is provided with a driving rod (601), and the driving rod (601) penetrates through the inner side of the penetrating ring (501).

2. The apparatus and method of use for coaxial installation of aircraft span joint fittings according to claim 1, wherein: first pivot (701) is installed to the inboard of box (1), and first driven gear (7) are installed in the outside of first pivot (701), second pivot (703) are installed to the inboard of box (1), and second pivot (703) are located the top of first pivot (701), and second driven gear (702) are installed in the outside of second pivot (703), second driven gear (702) gear and first pivot (701) gear intermeshing, third pivot (704) are installed to the inboard of box (1), and third pivot (704) are located one side of second pivot (703), and third driven gear (705) are installed to the outside of third pivot (704).

3. The apparatus and method of use for coaxial installation of aircraft span joint fittings according to claim 1, wherein: racks (203) are arranged at the bottoms of the two groups of the embedded plates (202), wherein the latch at the bottom of one group of the racks (203) is meshed with the latch on the outer surface of the second driven gear (702), and the latch at the bottom of the other group of the racks (203) is meshed with the latch on the outer surface of the third driven gear (705).

4. The apparatus and method of use for coaxial installation of aircraft span joint fittings according to claim 1, wherein: installing ring (303) is installed in the outside of spread groove (3), and infrared inductor (304) are installed in the inboard of installing ring (303) through-going, and reset spring (301) is installed to the inner wall of spread groove (3), and gomphosis fastener (302) are installed to the one end of reset spring (301).

5. The apparatus and method of use for coaxial installation of aircraft span joint fittings according to claim 1, wherein: connecting rod (401) are installed to the inboard of connecting groove (3), and gomphosis groove (402) have been seted up to the outer wall of connecting rod (401), and gomphosis groove (402) and gomphosis fastener (302) are each other gomphosis, and drill bit (4) are installed to the one end of connecting rod (401).

6. The apparatus and method of use for coaxial installation of aircraft span joint fittings according to claim 1, wherein: the driving wheel (6) is installed in the outside of driving rod (601), the driving wheel (6) is meshed with the latch on the outer sides of first driven gear (7) and third driven gear (705) through the latch, a handle (602) is installed at the front end of driving rod (601), and a handle (603) is installed at the front face of one end of handle (602).

7. The apparatus and method of use for coaxial installation of aircraft span joint fittings according to any one of claims 1 to 6, wherein the apparatus is operated by the steps of:

s1, firstly, a worker places the box body (1) below the span joint to enable the drill bits (4) to be positioned at two sides of the span joint, the user grasps the handle (603), the handle (602) is driven to rotate clockwise around the driving rod (601) as a circle center by rotating the handle (603), the driving rod (601) rotates to drive the driving wheel (6) at the outer side to rotate clockwise, in the rotating process of the driving wheel (6), the latch at the outer side is meshed with the latch at the outer sides of the first driven gear (7) and the third driven gear (705), the third driven gear (705) is driven to rotate anticlockwise and simultaneously drive the first driven gear (7) to rotate anticlockwise, in the anticlockwise rotating process of the first driven gear (7), the latch at the outer side drives the second driven gear (702) to rotate clockwise, and in the clockwise rotating process of the second driven gear (702) is meshed with the rack (203), the rack (203) is driven to move, and meanwhile, the third driven gear (705) is driven to be meshed with the other set of racks (203) in the process of anticlockwise rotation to drive the other set of racks (203) to move, so that the distance between the two sets of racks (203) is shortened;

s2, in the moving process of the two groups of racks (203), the embedded plate (202) at the top is driven to move, the embedded plate (202) moves on the inner side of the limiting groove (102), the embedded plate (202) on the inner side is guided to move through the limiting groove (102), it is guaranteed that the drill bit (4) at the top moves along the coaxial line, the embedded plate (202) moves to drive the supporting plate (201) at the top to move, the supporting plate (201) drives the supporting column (2) at the top to move, the pneumatic device (204) is driven to move in the moving process of the supporting column (2), and the drill bits (4) at the output end are driven by the two groups of pneumatic devices (204) to be close to each other;

s3, infrared induction lines are relatively projected out of the two groups of connecting grooves (3) through the infrared inductor (304), the infrared induction lines on one side are projected onto the other group of infrared inductor (304), so that whether the central lines of the two groups of connecting grooves (3) are in a coaxial state or not can be judged, the connecting grooves (3) can conveniently support the connecting rods (401) on the inner sides, the connecting rods (401) fix the drill bits (4), the two groups of drill bits (4) are guaranteed to be kept on the coaxial lines, the connecting rods are clamped on the inner sides of the embedding grooves (402) through the embedding clamping pieces (302) and used for fixing the connecting rods (401), and the two groups of drill bits (4) and the connecting grooves (3) can be guaranteed to rotate coaxially;

s4, pneumatic device (204) operation drives spread groove (3) rotation of output end, spread groove (3) rotate and drive inboard drill bit (4) and rotate, two sets of drill bits (4) are close to the center from both sides, can drill simultaneously to two sets of joints, the turn to of both sides drill bit (4) is opposite direction simultaneously, it is even to guarantee drill bit (4) hand, can guarantee the axiality that the span connects like this, can also avoid the aperture discrepancy, the length of drill bit (4) can be selected according to the thickness that connects, generally 1.5 times for connecting thickness.

Technical Field

The invention relates to the technical field of aircraft maintenance, in particular to equipment for coaxially mounting aircraft span joint accessories and a using method.

Background

In modern aircraft manufacturing, interchangeability plays a very important role. The requirement on interchangeability is particularly strong at key overhaul positions and parts with short service lives on the airplane, the rudder on the airplane is a typical key overhaul position, the cabin door on the airplane is a typical part with short service life, when the cabin door and the rudder are assembled with the airplane body, joints are generally adopted for connection, most of the joints for connection are span joints, and the coaxiality of the joints must be ensured to ensure that the rudder and the cabin door are accurately connected with the airplane body.

The prior art devices for coaxial installation of aircraft span joint fittings suffer from the following drawbacks:

1. the reference CN213568411U discloses a multi-suction-nozzle coaxial mounting structure, which comprises a multi-suction-nozzle coaxial mounting structure and a manipulator, wherein a holding fixed block and a suction nozzle base fixed block are coaxially matched and mounted, the suction nozzle base fixed block and the suction nozzle base are locked by screws, an air pipe joint is mounted on the suction nozzle base, a plug is mounted at the right end of the suction nozzle base, a suction nozzle is mounted at the lower part of the upper right end of the suction nozzle base, negative pressure gas passes through the air pipe joint, the suction nozzle base and the suction nozzle and generates negative pressure at the suction nozzle, the sheet product is adsorbed by the negative pressure at the suction nozzle, when the sheet product needs to be put down, positive pressure is formed at the suction nozzle, the suction nozzle does not adsorb the sheet product, the sheet product is convenient to take and place, the plurality of suction nozzles absorb the plurality of sheet products, the taking and placing of the plurality of sheet products at one time are realized, the efficiency is improved, and the multi-suction-nozzle coaxial mounting structure has the advantages of high production efficiency and short detection time, the existing traditional device adopts a drill bit with the length of about 50cm to drill, the method is changed into the method, the drill bit is easy to deform in the drilling process, and the swinging amount of the far end of the drill bit is larger than that of the near end of the drill bit in high-speed rotation due to the fact that the farther the drill bit is away from a fixed point, the larger the amplitude is, the hole diameter drilled on a span joint is too poor, and the limitation of the device is more.

2. The reference CN208408882U discloses a coaxial mounting structure of a laser welding system, which includes a main frame and a sub-frame, wherein the main frame is machined and manufactured, the main frame has structural features for mounting a camera and a laser source, the sub-frame has a plurality of structural features for mounting lenses therein, the sub-frame is fixed inside the main frame after being mounted on the main frame, so that the camera is parallel to the axis of the laser source, and the laser source is arranged coaxially with the imaging direction of the camera after passing through the lens array inside the sub-frame to convert the laser emission path. The utility model discloses a coaxial arrangement structure realizes the coaxial arrangement effect through simple structure, need not use accurate supplementary rigging equipment, has reduced manufacturing cost when having guaranteed the installation accuracy. The existing device lacks a structure for coaxially determining the drilling structure, and the device cannot determine whether the coaxial state can be maintained or not, so that the production quality of equipment is influenced.

3. The reference CN213481596U discloses a coaxial mounting structure of a large force measuring device, "including an upper compression leg; the lower pressure plate is arranged below the upper pressure column, the top of the lower pressure plate is provided with a lower convex column which protrudes upwards, and the outer diameters of the upper pressure column and the lower convex column are equal; the lantern ring is connected with the lower pressing disc through a plurality of hydraulic lifting cylinders, the inner circumferential surface of the lantern ring is in contact with the outer circumferential surface of the lower convex column, the lantern ring has vertical lifting freedom, the highest limit position of the top of the lantern ring is higher than the top of the lower convex column, and a first chamfer exists at the junction of the inner circumferential surface of the lantern ring and the top surface; the bottom surface of going up the compression leg possesses protruding curved surface, and the lowest of protruding curved surface is located the self axis of last compression leg, and protruding curved surface is circular along the axial projection profile of last compression leg self. Adopt this utility model to guarantee the stability of vertical pressure transmission, avoid crooked and the uneven condition of atress ", the promotion structure of current device, inconvenient user controlgear's regulation activity, it is comparatively troublesome to install position control, can't guarantee that the drill bit can steady movement.

4. The reference CN204116686U discloses a coaxial mounting structure of an optical system, "the structure includes: the device comprises a light beam collimation unit, a light beam convergence unit and a photoelectric device carrier unit; the light beam collimation unit and the light beam convergence unit are fixed in a pressing ring, taper hole or bonding mode, and the optical axis of the light beam collimation unit is superposed with the optical axis of the light beam convergence unit; the light beam converging unit is connected with the photoelectric device carrier unit through the lens cone, and the optical axis of the light beam converging unit is superposed with the mechanical axis of the photoelectric device carrier unit; the photoelectric device carrier unit is linearly reciprocated in the lens cone in a mode of screw threads, linear slide rails or size matching with the lens cone and is used for adjusting the distance between the photoelectric device and the light beam convergence unit.

Disclosure of Invention

The present invention is directed to an apparatus and method for coaxial installation of aircraft span joint fittings that addresses the problems set forth above in the background.

In order to achieve the purpose, the invention provides the following technical scheme: the equipment for coaxially mounting the span joint accessories of the airplane comprises a box body, wherein an adjusting groove is formed in the top of the box body, a limiting groove is formed in the inner wall of the adjusting groove, an embedded plate is embedded and mounted on the inner side of the limiting groove, a supporting plate is mounted on the top of the embedded plate, a supporting column is mounted on the top of the supporting plate, a pneumatic device penetrates through the inner side of the top of the supporting column, and a connecting groove is mounted at the output end of the pneumatic device;

the front surface of the box body is provided with a movable plate, and the inner side of the movable plate is provided with a through ring in a penetrating way;

and the inner wall of the box body is provided with a driving rod, and the driving rod penetrates through the inner side of the penetrating ring.

Preferably, first pivot is installed to the inboard of box, and first driven gear is installed in the outside of first pivot, the second pivot is installed to the inboard of box, and the second pivot is located the top of first pivot, and second driven gear is installed in the outside of second pivot, and second driven gear and first pivot gear intermeshing, the third pivot is installed to the inboard of box, and the third pivot is located one side of second pivot, and third driven gear is installed in the outside of third pivot.

Preferably, racks are installed at the bottoms of the two groups of the embedded plates, the latch at the bottom of one group of the racks is meshed with the latch on the outer surface of the second driven gear, and the latch at the bottom of the other group of the racks is meshed with the latch on the outer surface of the third driven gear.

Preferably, the mounting ring is installed in the outside of spread groove, and the infrared inductor is installed in the inboard run-through of mounting ring, and reset spring is installed to the inner wall of spread groove, and the gomphosis fastener is installed to reset spring's one end.

Preferably, a connecting rod is installed on the inner side of the connecting groove, an embedding groove is formed in the outer wall of the connecting rod, the embedding groove and the embedding clamping piece are mutually embedded, and a drill bit is installed at one end of the connecting rod.

Preferably, the action wheel is installed in the outside of initiative pole, and the action wheel passes through the latch intermeshing in latch and the first driven gear and the third driven gear outside, and the handle is installed to the front end of initiative pole, and the handle is installed in the positive installation of one end of handle.

Preferably, the working steps of the device are as follows:

s1, firstly, a worker places a box body below the span joint to enable the drill bit to be positioned at two sides of the span joint, the user grasps the handle, rotates the handle to drive the handle to rotate clockwise around the driving rod as a circle center, the driving rod rotates to drive the driving wheel at the outer side to rotate clockwise, in the rotating process of the driving wheel, the clamping teeth at the outer side are meshed with the clamping teeth at the outer sides of the first driven gear and the third driven gear to drive the third driven gear to rotate anticlockwise and simultaneously drive the first driven gear to rotate anticlockwise, in the anticlockwise rotating process of the first driven gear, the clamping teeth at the outer side drive the second driven gear to rotate clockwise, in the clockwise rotating process of the second driven gear, the second driven gear is meshed with the rack to drive the rack to move, in the anticlockwise rotating process of the third driven gear, the second driven gear is meshed with the other set of racks to drive the other set of racks to move, the distance between the two groups of racks is shortened;

s2, driving the embedded plate at the top to move in the moving process of the two groups of racks, enabling the embedded plate to move on the inner side of the limiting groove, guiding the embedded plate on the inner side to move through the limiting groove, ensuring that the drill bit at the top moves along a coaxial line, driving the supporting plate at the top to move by moving the embedded plate, driving the supporting column at the top to move by the supporting plate, driving the pneumatic devices to move in the moving process of the supporting column, and driving the drill bits at the output end to be close to each other by the two groups of pneumatic devices;

s3, infrared induction lines are oppositely projected from the two groups of connecting grooves through infrared inductors, and the infrared induction line on one side is projected onto the other group of infrared inductors, so that whether the central lines of the two groups of connecting grooves are in a coaxial state at present can be judged, the connecting grooves can conveniently support the connecting rods on the inner sides, the connecting rods fix the drill bits, the two groups of drill bits are guaranteed to be kept on the coaxial lines, the drill bits are clamped on the inner sides of the embedding grooves through the embedding clamping pieces and used for fixing the connecting rods, and the two groups of drill bits and the connecting grooves can be guaranteed to rotate coaxially;

s4, the running of pneumatic device drives the spread groove of output rotatory, the spread groove rotates and drives inboard drill bit and rotate, two sets of drill bits are close to the center from both sides, can drill simultaneously two sets of joints, the turning to of both sides drill bit is opposite direction simultaneously, guarantee that the drill bit is even in hand, can guarantee the axiality that the span connects like this, can also avoid the aperture discrepancy, the length of drill bit can be selected according to the thickness that connects, generally for 1.5 times of connecting thickness.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, two groups of drill bits are installed, the pneumatic device operates to drive the connecting groove at the output end to rotate, the connecting groove rotates to drive the drill bits at the inner side to rotate, the two groups of drill bits approach to the center from two sides, two groups of joints can be drilled simultaneously, meanwhile, the directions of the drill bits at the two sides are opposite, the uniform drilling of the drill bits in hand is ensured, thus the coaxiality of span joints can be ensured, the aperture over-tolerance can be avoided, and the length of the drill bits can be selected according to the thickness of the joints and is generally 1.5 times of the thickness of the joints.

2. According to the invention, the infrared sensors are arranged, the two groups of infrared sensors are opposite, the infrared sensors relatively project infrared sensing lines, and the infrared sensing line on one side projects on the other group of infrared sensors, so that whether the central lines of the two groups of connecting grooves are coaxial or not can be judged, and when the non-coaxial state of the device is detected, the device needs to be adjusted, and the drilling quality is improved.

3. The handle is driven to rotate clockwise around the driving rod by rotating the handle, the driving rod rotates to drive the driving wheel on the outer side to rotate clockwise, in the rotating process of the driving wheel, the clamping teeth on the outer side are meshed with the clamping teeth on the outer sides of the first driven gear and the third driven gear, the third driven gear is driven to rotate anticlockwise and simultaneously the first driven gear is driven to rotate anticlockwise, in the anticlockwise rotating process of the first driven gear, the clamping teeth on the outer side drive the second driven gear to rotate clockwise, in the clockwise rotating process of the second driven gear, the second driven gear is meshed with the rack to drive the rack to move, in the anticlockwise rotating process of the third driven gear, the third driven gear is driven to be meshed with the other rack to drive the other rack to move, and the distance between the two racks is shortened.

4. The wind driven device is installed, wind power is generated by the wind driven device, wind energy is converted into electricity, then the wind driven device drives equipment to run, and wind is clean energy and cannot pollute the environment; on the other hand, pneumatic devices are already commonly used in aircraft assembly, such as for example, for convenience and rapidity of use.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural diagram of the case of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a schematic view of the active lever structure of the present invention;

FIG. 5 is a schematic view of the construction of a drill bit according to the present invention;

FIG. 6 is a schematic view of a connecting groove structure of the present invention.

In the figure: 1. a box body; 101. an adjustment groove; 102. a limiting groove; 2. a support pillar; 201. a support plate; 202. a tabling plate; 203. a rack; 204. a pneumatic device; 3. connecting grooves; 301. a return spring; 302. embedding a clamping piece; 303. a mounting ring; 304. an infrared sensor; 4. a drill bit; 401. a connecting rod; 402. a fitting groove; 5. a movable plate; 501. a through ring; 6. a driving wheel; 601. a driving lever; 602. a handle; 603. a handle; 7. a first driven gear; 701. a first rotating shaft; 702. a second driven gear; 703. a second rotating shaft; 704. a third rotating shaft; 705. a third driven gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, an embodiment of the present invention: an apparatus and method of use for the coaxial installation of aircraft span joint fittings;

in the first embodiment, the drilling tool comprises a box body 1, an adjusting groove 101 is formed in the top of the box body 1, a limiting groove 102 is formed in the inner wall of the adjusting groove 101, an embedding plate 202 is installed on the inner side of the limiting groove 102 in an embedded mode, the adjusting groove 101 in the top of the box body 1 provides a moving space for displacement of a support plate 201, the embedding plate 202 on the inner side is guided to move through the limiting groove 102 to ensure that a drilling bit 4 on the top moves along a coaxial line to avoid deviation, racks 203 are installed at the bottoms of two groups of the embedding plates 202, a latch at the bottom of one group of the racks 203 is meshed with a latch on the outer surface of a second driven gear 702, a latch at the bottom of the other group of the racks 203 is meshed with a latch on the outer surface of a third driven gear 705, the support plate 201 is installed at the top of the embedding plates 202, a support column 2 is installed at the top of the support plate 201, and a pneumatic device 204 is installed on the inner side of the top of the support column 2 in a penetrating manner, the output end of the pneumatic device 204 is provided with a connecting groove 3, wherein the latch at the bottom of one group of racks 203 is engaged with the latch on the outer surface of the second driven gear 702, and the latch at the bottom of the other group of racks 203 is engaged with the latch on the outer surface of the third driven gear 705. Driven down through third driven gear 705 and second driven gear 702, two sets of racks 203 are close to the center by both sides, two sets of racks 203 are at the in-process that removes, drive the gomphosis board 202 removal at top, the gomphosis board 202 is in the inboard activity of restriction groove 102, lead to the removal to the gomphosis board 202 of inboard through restriction groove 102, guarantee that the drill bit 4 at top removes along the coaxial line, the gomphosis board 202 removes the backup pad 201 displacement that drives the top, backup pad 201 drives the support column 2 removal at top, the in-process that support column 2 removed drives pnematic device 204 and removes, two sets of pnematic device 204 drive the spread groove 3 removal of output, spread groove 3 conveniently is fixed to inboard drill bit 4.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, an embodiment of the present invention: an apparatus and method of use for the coaxial installation of aircraft span joint fittings;

the second embodiment comprises a box body 1, wherein a movable plate 5 is installed on the front surface of the box body 1, a penetrating ring 501 is installed on the inner side of the movable plate 5 in a penetrating manner, the movable plate 5 is installed on the front surface of the box body 1, the box body 1 is sealed through the movable plate 5, the sealing performance of the device is ensured, the penetrating ring 501 limits the driving rod 601 on the inner side, and the driving rod 601 can rotate smoothly, a first rotating shaft 701 is installed on the inner side of the box body 1, a first driven gear 7 is installed on the outer side of the first rotating shaft 701, a second rotating shaft 703 is installed on the inner side of the box body 1, the second rotating shaft 703 is located above the first rotating shaft 701, a second driven gear 702 is installed on the outer side of the second rotating shaft 703, the gear of the second driven gear 702 is meshed with the gear of the first rotating shaft 701, a third rotating shaft 704 is installed on the inner side of the box body 1, the third rotating shaft is located on one side of the second rotating shaft 703, and a third driven gear 705 is installed on the outer side of the third rotating shaft 704, a driving rod 601 is arranged on the inner wall of the box body 1, the driving rod 601 penetrates through the inner side of the penetrating ring 501, a driving wheel 6 is arranged on the outer side of the driving rod 601, the driving wheel 6 is meshed with the clamping teeth on the outer sides of the first driven gear 7 and the third driven gear 705 through the clamping teeth, a handle 602 is arranged at the front end of the driving rod 601, a handle 603 is arranged on the front surface of one end of the handle 602, the box body 1 supports the driving wheel 6 through the driving rod 601 to ensure the stability of the driving wheel 6, meanwhile, the first rotating shaft 701, the second rotating shaft 703 and the third rotating shaft 704 are arranged on the inner wall of the box body 1 to facilitate the first rotating shaft 701 to support the first driven gear 7, the second rotating shaft 703 to support the second driven gear 702 and the third rotating shaft 704 to support the third driven gear 705, so that the first driven gear 7, the second driven gear 702 and the third driven gear 705 can rotate stably, and the handle 602 is driven by rotating the handle 603 around the driving rod 601 to rotate clockwise, the driving rod 601 rotates to drive the driving wheel 6 on the outer side to rotate clockwise, the driving wheel 6 rotates in-process, the latch on the outer side is meshed with the latch on the outer sides of the first driven gear 7 and the third driven gear 705, the third driven gear 705 rotates anticlockwise, the first driven gear 7 rotates anticlockwise simultaneously, the first driven gear 7 rotates anticlockwise, the latch on the outer side drives the second driven gear 702 to rotate clockwise, the second driven gear 702 rotates clockwise in-process is meshed with the rack 203, the rack 203 is driven to move, meanwhile, the third driven gear 705 rotates anticlockwise in-process drives and is meshed with another group of racks 203, another group of racks 203 is driven to move, and the distance between the two groups of racks 203 is shortened.

Referring to fig. 1, fig. 2, fig. 3, fig. 5 and fig. 6, an embodiment of the present invention: an apparatus and method of use for the coaxial installation of aircraft span joint fittings;

the third embodiment comprises a connecting groove 3, wherein an installation ring 303 is installed on the outer side of the connecting groove 3, an infrared sensor 304 is installed on the inner side of the installation ring 303 in a penetrating manner, the connecting groove 3 is fixed to the installation ring 303 on the outer side, the installation ring 303 is convenient to support the infrared sensor 304, two groups of infrared sensors 304 are opposite, the infrared sensors 304 project infrared sensing lines oppositely, the infrared sensing line on one side is projected onto the other group of infrared sensor 304, so that whether the central lines of the two groups of connecting grooves 3 are in a coaxial state or not can be judged, when the non-coaxial state of the device is detected, the device needs to be adjusted, a return spring 301 is installed on the inner wall of the connecting groove 3, an embedding clamping piece 302 is installed at one end of the return spring 301, a connecting rod 401 is installed on the inner side of the connecting groove 3, the connecting groove 3 supports the embedding clamping piece 302 on the inner side through the return spring 301, the engaging piece 302 is engaged with the engaging groove 402 and supported on the inner side thereof, so that the user can easily install the device.

Referring to fig. 1, fig. 2, fig. 3 and fig. 5, an embodiment of the present invention: an apparatus and method of use for the coaxial installation of aircraft span joint fittings;

the fourth embodiment comprises a connecting rod 401, wherein the outer wall of the connecting rod 401 is provided with a tabling groove 402, the tabling groove 402 is tabling with the tabling fastener 302, the drill bit 4 is installed at one end of the connecting rod 401, the tabling groove 402 on the connecting rod 401 is tabling with the tabling fastener 302, the installation of the drill bit 4 is facilitated, and a user can easily detach the drill bit 4 to replace the drill bit 4.

The working steps of the device are as follows:

s1, firstly, a worker places the box body 1 below the span joint to make the drill bit 4 located at two sides of the span joint, the user grips the handle 603, the handle 602 is driven to rotate clockwise around the driving rod 601 by rotating the handle 603, the driving rod 601 rotates to drive the driving wheel 6 at the outer side to rotate clockwise, in the process of rotating the driving wheel 6, the latch at the outer side is meshed with the latch at the outer sides of the first driven gear 7 and the third driven gear 705, the third driven gear 705 rotates anticlockwise and simultaneously drives the first driven gear 7 to rotate anticlockwise, in the process of rotating the first driven gear 7 anticlockwise, the latch at the outer side drives the second driven gear 702 to rotate clockwise, in the process of rotating the second driven gear 702 clockwise, the latch is meshed with the rack 203 to drive the rack 203 to move, and in the process of rotating the third driven gear 705 anticlockwise, the latch 203 is meshed with the other set of racks 203, driving the other set of racks 203 to move, so that the distance between the two sets of racks 203 is shortened;

s2, the two sets of racks 203 drive the top embedded plate 202 to move in the moving process, the embedded plate 202 moves on the inner side of the limiting groove 102, the limiting groove 102 guides the inner embedded plate 202 to move, the drill bit 4 on the top is guaranteed to move along the coaxial line, the embedded plate 202 moves to drive the supporting plate 201 on the top to move, the supporting plate 201 drives the supporting column 2 on the top to move, the pneumatic device 204 is driven to move in the moving process of the supporting column 2, and the two sets of pneumatic devices 204 drive the drill bits 4 on the output end to approach each other;

s3, infrared induction lines are oppositely projected from the two groups of connecting grooves 3 through the infrared inductor 304, the infrared induction line on one side is projected onto the other group of infrared inductor 304, so that whether the central lines of the two groups of connecting grooves 3 are in a coaxial state at present can be judged, the connecting grooves 3 can conveniently support the connecting rods 401 on the inner sides, the connecting rods 401 fix the drill bits 4, the two groups of drill bits 4 are guaranteed to be kept on the coaxial lines, the drill bits are clamped on the inner sides of the embedding grooves 402 through the embedding clamping pieces 302 and used for fixing the connecting rods 401, and the two groups of drill bits 4 and the connecting grooves 3 can be guaranteed to rotate coaxially;

s4, pneumatic means 204 operation drives the spread groove 3 rotation of output end, spread groove 3 rotates and drives inboard drill bit 4 and rotate, two sets of drill bits 4 are close to the center from both sides, can drill simultaneously two sets of joints, the turn to of drill bit 4 of both sides is opposite direction simultaneously, it is even to guarantee 4 hands of drill bit, can guarantee the axiality that the span connects like this, can also avoid the aperture discrepancy, the length of drill bit 4 can be selected according to the thickness that connects, generally for 1.5 times of connecting thickness.

The working principle is as follows: firstly, a worker places the box body 1 below the span joint, so that the drill bit 4 is positioned at two sides of the span joint, the user grasps the handle 603, the handle 602 is driven to rotate clockwise around the driving rod 601 as a circle center by rotating the handle 603, the driving rod 601 rotates to drive the driving wheel 6 at the outer side to rotate clockwise, in the rotating process of the driving wheel 6, the latch at the outer side is meshed with the latch at the outer sides of the first driven gear 7 and the third driven gear 705, the third driven gear 705 is driven to rotate anticlockwise, the first driven gear 7 is driven to rotate anticlockwise simultaneously, in the anticlockwise rotating process of the first driven gear 7, the latch at the outer side drives the second driven gear 702 to rotate clockwise, in the clockwise rotating process of the second driven gear 702 is meshed with the rack 203, the rack 203 is driven to move, and in the anticlockwise rotating process of the third driven gear 705, the rack 203 is driven to be meshed with the other set of racks 203, the other group of racks 203 is driven to move, so that the distance between the two groups of racks 203 is shortened, the two groups of racks 203 drive the top embedded plate 202 to move in the moving process, the embedded plate 202 moves in the inner side of the limiting groove 102, the inner embedded plate 202 is guided to move through the limiting groove 102, it is ensured that the drill bit 4 at the top moves along the coaxial line, the embedded plate 202 moves to drive the top support plate 201 to move, the support plate 201 drives the top support post 2 to move, the pneumatic device 204 is driven to move in the moving process of the support post 2, the two groups of pneumatic devices 204 drive the drill bits 4 at the output end to approach each other, infrared induction lines are relatively projected from the two groups of connecting grooves 3 through the infrared inductor 304, the infrared induction line at one side is projected onto the other group of infrared inductor 304, thereby whether the central lines of the two groups of connecting grooves 3 are kept in a coaxial state or not can be judged, and the connecting rods 401 at the inner sides of the connecting grooves 3 can be conveniently supported, connecting rod 401 is fixed to drill bit 4, guarantee that two sets of drill bits 4 keep on the coaxial line, through gomphosis fastener 302 card in the inboard of gomphosis groove 402, be used for fixing connecting rod 401, guarantee that two sets of drill bits 4 can keep the coaxial line rotation with spread groove 3, pnematic device 204 operation drives the spread groove 3 rotation of output, spread groove 3 rotates and drives inboard drill bit 4 and rotates, two sets of drill bits 4 are close to the center from both sides, can drill simultaneously to two sets of joints, the turn to of while both sides drill bit 4 is opposite direction, guarantee that drill bit 4 is even in hand, can guarantee the axiality that the span connects like this, can also avoid the aperture discrepancy, drill bit 4's length can be selected according to the thickness that connects, generally for connecting 1.5 times of thickness.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.