阅读说明：本技术 一种用于飞机整流罩安装的四自由度安装车 (Four-degree-of-freedom installation vehicle for installing aircraft fairing ) 是由 李希 王鸿昇 钟李欣 于 2021-07-27 设计创作，主要内容包括：本发明公开了一种用于飞机整流罩安装的四自由度安装车,安装车包括整体托架、四自由度调姿机构和可移动底盘组件,最上层为整体托架组件,用于托举连接整流罩产品,其下为四自由度调姿机构,整体托架与四自由度调姿机构通过支撑球头与球窝结构配合连接,最下层结构为可移动底盘组件。四自由度调姿机构通过三向调姿机构进行X、Y、Z三向调姿,通过驱动两个带手轮丝杠式作动机构,进行四自由度调姿机构整体绕平衡转座轴的水平角度调姿。可移动底盘组件接入外部气源并通气后,在气压作用下能够托举四自由度安装车整体处于轻微悬浮状态,施加水平力即可实现移动功能。(The invention discloses a four-degree-of-freedom installation vehicle for installing an airplane fairing, which comprises an integral bracket assembly, a four-degree-of-freedom posture adjusting mechanism and a movable chassis assembly, wherein the integral bracket assembly is arranged on the uppermost layer and used for supporting and connecting a fairing product, the four-degree-of-freedom posture adjusting mechanism is arranged below the integral bracket assembly, the integral bracket assembly and the four-degree-of-freedom posture adjusting mechanism are matched and connected with a ball socket structure through a supporting ball head, and the movable chassis assembly is arranged on the lowest layer. The four-freedom-degree posture adjusting mechanism carries out X, Y, Z three-way posture adjustment through the three-way posture adjusting mechanism, and carries out horizontal angle posture adjustment of the whole four-freedom-degree posture adjusting mechanism around a balance rotating base shaft by driving two lead screw type actuating mechanisms with hand wheels. The movable chassis component is connected to an external air source and is ventilated, the whole four-freedom-degree installation vehicle can be lifted under the action of air pressure and is in a slightly suspended state, and the moving function can be realized by applying horizontal force.)

1. A four-freedom-degree installation vehicle for installing an airplane fairing is characterized by comprising an integral bracket, a four-freedom-degree posture adjusting mechanism and a movable chassis assembly, wherein the integral bracket is arranged on the uppermost layer and used for supporting and connecting a fairing part, the four-freedom-degree posture adjusting mechanism is arranged below the integral bracket, and the movable chassis assembly is arranged on the lowermost layer.

2. A four degree of freedom installation vehicle for aircraft fairing installation as claimed in claim 1, it is characterized in that the integral bracket consists of three supporting plates, six fork seats, a plate welding plane frame, four L-shaped adapter seats and four supporting ball heads, wherein the supporting plate is a long strip structure with a T-shaped section and the shape of the supporting plate is the shape of a fairing, the shape of the supporting plate is jointed with a fairing skin, adopt the bolt through two fork seats, the cylindric lock welds the planar frame with the board and is connected, three layer boards are evenly arranged along the fore-and-aft direction on the board welds the planar frame, the board welds the rectangular planar frame that the planar frame formed for the steel sheet welding, four angle departments of both sides face use the bolt, 1L shape switching seat is respectively connected to the cylindric lock, be provided with the hole that is used for the joint support bulb on the L shape switching seat another side, support bulb one end is spherical structure, the other end is the flange structure of band axis, whole bracket is arranged four degrees of freedom in through four support bulbs and is transferred appearance mechanism top.

3. The four-degree-of-freedom installation vehicle for installing the airplane fairing as recited in claim 1, wherein the four-degree-of-freedom posture adjustment mechanism comprises a whole plane frame, four three-way posture adjustment mechanisms, two lead screw type actuating mechanisms with hand wheels, a balance swivel base and four rotating wheels, wherein one side surface of the whole plane frame is connected with the two lead screw type actuating mechanisms with hand wheels, the three-way posture adjustment mechanisms are arranged at four corners of the upper surface of the whole plane frame, the four rotating wheels at the same circumference are arranged at four corners of the lower surface of the whole plane frame, the balance swivel base is arranged in the middle area below the whole plane frame, and the rotating shaft of the balance swivel base is coaxial with the circumference where the four rotating wheels are located. The four-freedom-degree posture adjusting mechanism carries out X, Y, Z three-way posture adjustment through the three-way posture adjusting mechanism, and carries out horizontal angle posture adjustment of the whole four-freedom-degree posture adjusting mechanism around a balance rotating base shaft by driving two lead screw type actuating mechanisms with hand wheels.

4. The four-degree-of-freedom mounting vehicle for mounting the aircraft fairing according to claim 1, characterized in that the three-way attitude adjusting mechanism comprises a ball-and-socket structure, a lifter, a cylindrical hollow base, a sliding assembly and a lead screw with a hand wheel, wherein the lower surface of the lifter is connected with the cylindrical hollow base, the head of the lifter is connected with a hole pin of the ball-and-socket structure in a matching way, the ball-and-socket structure is lifted in a matching way with a supporting ball head on an integral bracket, two sliding assemblies which are crossed at an angle of 90 degrees up and down are arranged on the lower surface of the cylindrical hollow base, each sliding assembly comprises two sliding rails which are arranged in parallel and a connecting base, the sliding rails in the two sliding assemblies are respectively arranged along the X direction and the Y direction, the sliding blocks on the sliding rails in the upper sliding assembly are connected with the lower bottom surface of the cylindrical hollow base, the sliding blocks on the sliding rails in the lower sliding assembly are connected with the connecting base bottom surface of the upper sliding assembly, the connecting base in the sliding component below is connected with the integral plane frame through a bolt and a cylindrical pin, the X, Y directions of the four three-way posture adjusting mechanisms are consistent, wherein one side of the sliding component below the two groups of three-way posture adjusting mechanisms on one side is provided with a lead screw with a hand wheel to drive the integral bracket to move along the Y direction, one side of the sliding component above the group of three-way posture adjusting mechanisms on the other side is provided with a lead screw with a hand wheel to drive the integral bracket to move along the X direction, and the other group of three-way posture adjusting mechanisms are not provided with a lead screw with a hand wheel.

5. The four-degree-of-freedom installation vehicle for the installation of the aircraft cowling according to claim 1, wherein the two lead screw type actuating mechanisms with the hand wheels comprise actuating mechanism slide rails, forked connectors, actuating mechanism lead screws, actuating mechanism lead screw hand wheels and lead screw supports, the length directions of the actuating mechanism lead screws are perpendicular to the side faces of the integral planar frame, one ends of the actuating mechanism lead screws are connected with forked connector notch hole pins in a matched mode, the directions of forked notches of the forked connectors are parallel to the horizontal plane, the other sides of the forked connectors are connected with sliding blocks on the actuating mechanism slide rails, the actuating mechanism slide rails are connected with the side faces of the integral planar frame through bolts, and the other ends of the actuating mechanism lead screws are sleeved with the lead screw supports and fixedly connected with the chassis assemblies through the lead screw supports. The lead screw hand wheel of the rotary actuating mechanism drives the integral plane frame of the four-freedom-degree posture adjusting mechanism to rotate around the balance swivel base shaft.

6. The vehicle of claim 1, wherein the balancing swivel mount comprises a shaft seat, a bearing, a flange and a nut, the inner hole of the bearing is press-fitted with the optical axis of the shaft seat and locked by the nut, the outer edge of the bearing is connected with the flange by a bolt, the end face of the flange is connected with the lower surface of the integral planar frame, and the shaft seat is connected with the movable chassis component.

7. The four-degree-of-freedom installation vehicle for the installation of the aircraft fairing as recited in claim 1, wherein the movable chassis assembly comprises a chassis frame, an air cushion, adjustable support legs, an air vent and an air vent pipeline, the chassis frame is a rectangular plane frame welded by square pipes, the upper surface supports the four-degree-of-freedom posture adjustment structure, the air cushion structure is arranged at four corners of the lower surface, the adjustable support legs are uniformly arranged on the side surface of the periphery, the air vent pipeline is arranged in a square pipe cavity of the chassis frame, and the air vent is arranged on the chassis frame.

Technical Field

The application relates to the technical field of aircraft assembly manufacturing, in particular to a four-degree-of-freedom mounting vehicle for mounting an aircraft fairing.

Background

Traditional aircraft radome fairing installation car mainly comprises frame, the leading wheel, lifting support plate etc. the horizontal direction relies on four leading wheels to adjust into the position, the height position relies on lifting support plate to adjust, the slight beat of leading wheel all can cause whole frame and the position of its upper plate to take place great skew, it is very difficult to accurately go into the position, need many people to cooperate the completion, and simultaneously, in the actual operation process, each leading wheel angle nonconformity problem takes place very easily, very big increase horizontal adjustment degree of difficulty, the operating property is extremely poor.

Meanwhile, the traditional aircraft fairing installation vehicle is at least provided with 3 supporting plates, each supporting plate needs to be provided with two sets of spiral lifting structures to realize the lifting of the supporting plate, the height of each supporting plate is adjusted synchronously in order to ensure the installation of fairing products, at least 6 persons are needed to operate simultaneously, and the lifting synchronism of each supporting plate is poor.

In addition, because the big and high lift synchronism of traditional radome fairing installation car horizontal adjustment degree of difficulty is poor, easily causes the uneven slight distortion that takes place of product atress, leads to accurate alignment difficulty in the radome fairing installation, and installation effectiveness is not high, easily produces stress concentration's problem, influences product quality. Therefore, a novel installation vehicle structure which is simple in operation and efficient is urgently needed to be developed to solve the problems.

Disclosure of Invention

In order to solve the problems, the installation quality of a fairing product is improved, the horizontal adjustment difficulty of an installation vehicle is reduced, the problem of poor synchronism of lifting of each supporting plate is solved, and the installation efficiency of an airplane fairing is improved.

A four-freedom-degree installation vehicle for installing an airplane fairing comprises an integral bracket, a four-freedom-degree posture adjusting mechanism and a movable chassis assembly, wherein the integral bracket assembly is arranged on the uppermost layer and used for lifting and connecting a fairing part, the four-freedom-degree posture adjusting mechanism is arranged below the integral bracket assembly, and the movable chassis assembly is arranged on the lowermost layer.

The whole bracket is composed of three supporting plates, six fork seats, a plate welding plane frame, four L-shaped adapter seats and four supporting ball heads, wherein the supporting plates are of T-shaped cross section long strip-shaped structures with fairing appearances, the appearances are attached to fairing skins, bolts are adopted through the two fork seats, cylindrical pins are connected with the plate welding plane frame, the three supporting plates are evenly distributed on the plate welding plane frame along the front-back direction, the plate welding plane frame is a rectangular plane frame formed by welding steel plates, the four corners of the two side faces are connected with the 1L-shaped adapter seat through the bolts and the cylindrical pins respectively, holes used for connecting the supporting ball heads are formed in the other face of the L-shaped adapter seat, one end of each supporting ball head is of a spherical structure, the other end of each supporting ball head is of a flange structure with a shaft, and the whole bracket is arranged above the four-freedom-degree posture adjusting mechanism through the four supporting ball heads.

Four degrees of freedom transfer appearance mechanism by whole planar frame, four three-dimensional transfer appearance mechanisms, two take hand wheel screw formulas to actuate the mechanism, balanced swivel mount and four swiveling wheel are constituteed, two take hand wheel screw formulas to actuate the mechanism are connected to whole planar frame one side, four angles departments of whole planar frame's upper surface are provided with the three-dimensional and transfer appearance mechanism, four angles departments of lower surface are provided with four swiveling wheels that are in same circumference, whole planar frame below middle zone sets up balanced swivel mount, balanced swivel mount pivot is coaxial with the circumference that four swiveling wheels were located. The four-freedom-degree posture adjusting mechanism carries out X, Y, Z three-way posture adjustment through the three-way posture adjusting mechanism, and carries out horizontal angle posture adjustment of the whole four-freedom-degree posture adjusting mechanism around a balance rotating base shaft by driving two lead screw type actuating mechanisms with hand wheels.

The three-way posture adjusting mechanism consists of a ball socket structure, a lifter, a cylindrical hollow base, sliding assemblies and a lead screw with a hand wheel, wherein the lower surface of the lifter is connected with the cylindrical hollow base, the head of the lifter is connected with a hole pin of the ball socket structure in a matched manner, the ball socket structure is lifted in a matched manner with a supporting ball head on an integral bracket, two sets of sliding assemblies which are crossed at an angle of 90 degrees are arranged on the lower surface of the cylindrical hollow base, each set of sliding assembly consists of two sliding rails which are arranged in parallel and a connecting base, the sliding rails in the two sets of sliding assemblies are respectively arranged along the X direction and the Y direction, a sliding block on the sliding rail in the upper sliding assembly is connected with the lower bottom surface of the cylindrical hollow base, a sliding block on the sliding rail in the lower sliding assembly is connected with the bottom surface of the connecting base of the upper sliding assembly, the connecting base in the lower sliding assembly is connected with the integral planar frame through a bolt and a cylindrical pin, and the X, B and C of the four three-way posture adjusting mechanisms, The Y directions are consistent, a lead screw with a hand wheel is arranged on one side of the sliding assembly below the two groups of three-way posture adjusting mechanisms on one side to drive the whole bracket to move along the Y direction, a lead screw with a hand wheel is arranged on one side of the sliding assembly above the group of three-way posture adjusting mechanisms on the other side to drive the whole bracket to move along the X direction, and the lead screw with a hand wheel is not arranged on the other group of three-way posture adjusting mechanisms.

Take hand wheel lead screw formula to actuate the mechanism by actuating the mechanism slide rail, fork connector, actuate the mechanism lead screw hand wheel, the lead screw support is constituteed, it is perpendicular to whole plane frame side to actuate mechanism lead screw length direction, it is connected with fork connector notch hole round pin cooperation to actuate mechanism lead screw one end, fork connector's fork notch direction is parallel with the horizontal plane, fork connector opposite side and the slider that actuates on the mechanism slide rail are connected, it passes through the bolt and links to each other with whole plane frame side to actuate the mechanism slide rail, it registrates with the lead screw support to actuate mechanism lead screw another end, through lead screw support and chassis subassembly fixed connection. The lead screw hand wheel of the rotary actuating mechanism drives the integral plane frame of the four-freedom-degree posture adjusting mechanism to rotate around the balance swivel base shaft.

The balance rotating seat is composed of an axle seat, a bearing, a flange and a fastening nut, an inner hole of the bearing is in press fit with an optical axis of the axle seat and is locked by the fastening nut, the outer edge of the bearing is connected with the flange through a bolt, the end face of the flange is connected with the lower surface of the integral planar frame, and the axle seat is connected with the movable chassis component.

The movable chassis component consists of a chassis frame, an air cushion, adjustable support legs, an air vent and an air vent pipeline, wherein the chassis frame is a rectangular plane frame welded with a square tube, an upper surface bearing four-degree-of-freedom posture adjusting structure is arranged, four corners of the lower surface are provided with the air cushion structure, the adjustable support legs are uniformly arranged on the side surface of the periphery, the air vent pipeline is arranged in the square tube cavity of the chassis frame, and the air vent is arranged on the chassis frame.

Adopt this four degrees of freedom installation cars to carry out aircraft radome installation, its advantage has:

1) the method for adjusting the horizontal angle of the whole four-freedom-degree posture adjusting mechanism by rotating around the balance rotating base shaft through the lead screw type actuating mechanism with the hand wheel is adopted, and compared with the traditional method, the method is greatly improved in operation convenience.

2) The method for moving into place by adopting the air cushion structure greatly improves the flexibility of installing the vehicle into place, reduces the difficulty of entering into place and improves the installation efficiency of the fairing.

3) The three-direction posture adjusting mechanism is adopted to adjust the postures of X, Y, Z in three directions, the lifting synchronization performance of each supporting plate is good, the stress deformation of the product in the posture adjusting process is avoided, and the product quality is ensured.

The present application is described in further detail below with reference to the following detailed description of illustrative embodiments:

drawings

Fig. 1 is a schematic structural view of a four-degree-of-freedom mounting vehicle.

Fig. 2 is a schematic view of the overall bracket structure.

FIG. 3 is a schematic diagram of a four degree-of-freedom attitude adjustment mechanism.

FIG. 4 is a schematic diagram of a horizontal angle posture adjustment structure.

FIG. 5 is a schematic diagram of a balanced transposition structure.

Fig. 6 is a schematic structural view of the movable chassis assembly.

The numbering in the figures illustrates: 1. a support plate; 2. a fork seat; 3. welding a plane frame by a plate; 4, an L-shaped adapter; 5. a ball head is supported; 6. a ball and socket arrangement; 7. a lifter; 8. a cylindrical hollow base; 9. a slide rail; 10. connecting a base; 11. a lead screw with a hand wheel; 12. an integral planar frame; 13. a ventilation interface and a ventilation pipeline; 14. an adjustable support leg; 15. an actuating mechanism slide rail; 16. a forked connector; 17. an actuating mechanism lead screw; 18. actuating mechanism lead screw hand wheel; 19. a lead screw support; 20. a shaft seat; 21. a flange; 22. a bearing; 23. tightening the nut; 24. a rotating wheel; 25. a chassis frame; 26. an air cushion.

Detailed Description

Referring to fig. 1-6, a four-degree-of-freedom mounting vehicle for mounting an aircraft fairing comprises an integral bracket assembly, a four-degree-of-freedom attitude adjusting mechanism and a movable chassis assembly, wherein the integral bracket assembly is arranged on the uppermost layer and used for supporting and connecting a fairing part, the four-degree-of-freedom attitude adjusting mechanism is arranged below the integral bracket assembly, and the movable chassis assembly is arranged on the lowermost layer.

The whole bracket is composed of three supporting plates 1, six fork seats 2, a plate welding plane frame 3, four L-shaped adapter seats 4 and four supporting ball heads 5, wherein the supporting plates 1 are of T-shaped cross section long strip structures with fairing appearances, the appearances are attached to fairing skins, bolts are adopted through the two fork seats 2, cylindrical pins are connected with the plate welding plane frame 3, the three supporting plates 1 are evenly distributed on the plate welding plane frame 3 along the front-back direction, the plate welding plane frame 3 is a rectangular plane frame formed by welding steel plates, four corners on two side faces are respectively connected with the 1L-shaped adapter seats 4 through the bolts and the cylindrical pins, holes used for connecting the supporting ball heads 5 are formed in the other face of the L-shaped adapter seats 4, one end of each supporting ball head 5 is of a spherical structure, the other end of each supporting ball head is of a flange structure with a shaft, and the whole bracket is arranged above the four-freedom-degree posture adjusting mechanism through the four supporting ball heads 5.

Four-degree-of-freedom posture adjusting mechanism is composed of a whole plane frame 12, four three-direction posture adjusting mechanisms, two hand wheel screw type actuating mechanisms, a balance rotating seat and four rotating wheels 24, wherein one side surface of the whole plane frame 12 is connected with the two hand wheel screw type actuating mechanisms, four corners of the upper surface of the whole plane frame 12 are provided with the three-direction posture adjusting mechanisms, four corners of the lower surface are provided with the four rotating wheels 24 on the same circumference, the middle area below the whole plane frame 12 is provided with the balance rotating seat, and the rotating shaft of the balance rotating seat is coaxial with the circumference where the four rotating wheels 24 are located. The four-freedom-degree posture adjusting mechanism carries out X, Y, Z three-way posture adjustment through the three-way posture adjusting mechanism, and carries out horizontal angle posture adjustment of the whole four-freedom-degree posture adjusting mechanism around a balance rotating base shaft by driving two lead screw type actuating mechanisms with hand wheels.

The three-direction posture adjusting mechanism consists of a ball socket structure 6, a lifter 7, a cylindrical hollow base 8, a sliding assembly and a lead screw 11 with a hand wheel, wherein the lower surface of the lifter 7 is connected with the cylindrical hollow base 8, the head part of the lifter is in matched connection with a hole pin of the ball socket structure 6, the ball socket structure 6 is in matched lifting with a supporting ball head 5 on an integral bracket, two sets of sliding assemblies which are crossed at an angle of 90 degrees are arranged on the lower surface of the cylindrical hollow base 8, each set of sliding assembly consists of two sliding rails 9 which are arranged in parallel and a connecting base 10, the sliding rails 9 in the two sets of sliding assemblies are respectively arranged along the X direction and the Y direction, a sliding block on the sliding rail 9 in the upper sliding assembly is connected with the lower bottom surface of the cylindrical hollow base 8, a sliding block on the sliding rail 9 in the lower sliding assembly is connected with the bottom surface of the connecting base 10 of the upper sliding assembly, the connecting base 10 in the lower sliding assembly is connected with an integral plane frame 12 through a bolt and a cylindrical pin, x, Y directions of the four three-way posture adjusting mechanisms are consistent, one side of the sliding assembly below the two groups of three-way posture adjusting mechanisms on one side is provided with a lead screw 11 with a hand wheel to drive the whole bracket to move along the Y direction, one side of the sliding assembly above the group of three-way posture adjusting mechanisms on the other side is provided with a lead screw 11 with a hand wheel to drive the whole bracket to move along the X direction, and the other group of three-way posture adjusting mechanisms are not provided with a lead screw 11 with a hand wheel.

Take hand wheel lead screw formula to actuate mechanism by actuating mechanism slide rail 15, forked connector 16, actuate mechanism lead screw 17, actuate mechanism lead screw hand wheel 18, lead screw support 19 is constituteed, it is perpendicular to whole planar frame 12 side to actuate mechanism lead screw 17 length direction, it is connected with forked connector 16 notch hole round pin cooperation to actuate mechanism lead screw 17 one end, forked connector 16's forked notch direction is parallel with the horizontal plane, forked connector 16 opposite side is connected with the slider on actuating mechanism slide rail 15, it links to each other with whole planar frame 12 side through the bolt to actuate mechanism slide rail 15, it registrates with lead screw support 19 to actuate mechanism lead screw another end, through lead screw support 19 and chassis subassembly fixed connection. The lead screw hand wheel 18 of the rotary actuating mechanism drives the integral plane frame of the four-freedom-degree posture adjusting mechanism to rotate around the balance swivel axis.

The balance rotating seat is composed of a shaft seat 20, a bearing 22, a flange 21 and a fastening nut 23, an inner hole of the bearing 22 is in press fit with an optical axis of the shaft seat 20 and is locked by the fastening nut 23, an outer edge of the bearing is connected with the flange 21 through a bolt, the end face of the flange 21 is connected with the lower surface of the integral plane frame 12, and the shaft seat 20 is connected with a chassis frame 25 of the movable chassis component.

The movable chassis component is composed of a chassis frame 25, an air cushion 26, adjustable supporting feet 14, an air vent interface 13 and an air vent pipeline, the chassis frame 25 is a rectangular plane frame welded with a square tube, an upper surface bearing four-freedom-degree posture adjusting structure is arranged, the air cushion 26 structure is arranged at four corners of the lower surface, the adjustable supporting feet 14 are evenly arranged on the side face of the periphery, the air vent pipeline is arranged in a square tube cavity of the chassis frame, the air vent interface 13 is arranged on the chassis frame, the air cushion 26 is connected into an external air source and is ventilated, the whole four-freedom-degree installation vehicle can be lifted under the action of air pressure and is in a slight suspension state, and the moving function can be realized by applying horizontal force.