CN217396838U

CN217396838U - Aircraft part assembly fixture

Info

Publication number: CN217396838U
Application number: CN202221411161.6U
Authority: CN
Inventors: 范万军
Original assignee: Shenyang Kelite Aerospace Equipment Co ltd
Current assignee: Shenyang Kelite Aerospace Equipment Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-09-09
Anticipated expiration: 2032-06-08

Abstract

The utility model relates to an aircraft assembly jig technical field specifically is an aircraft parts assembly type frame, including the frame bearing plate, the top of frame bearing plate is equipped with the supporting frame, supporting frame's outer wall fixedly connected with ear seat and locating plate, ear seat fixedly connected with bolted connection is vice, the vice bolt bottom of bolted connection and the upper surface butt of frame bearing plate, the top fixedly connected with bearing of frame bearing plate, the bearing passes through positioning bolt and locating plate fixed connection, the slotted hole with positioning bolt looks adaptation is seted up to the bearing, the length direction of slotted hole is vertical, the top of supporting frame is equipped with the track bearing plate. The utility model discloses an otic placode and bolted connection are vice to make level on the frame bearing plate for the supporting frame to provide further support through locating plate and bearing, make the supporting frame keep the stable level, the supporting frame can carry out repeated altitude mixture control on the frame bearing plate, provide reliable basis for aircraft spare part assembly.

Description

Aircraft part assembly fixture

Technical Field

The utility model relates to an aircraft assembly jig technical field specifically is an aircraft part assembly type frame.

Background

In the process of airplane assembly, component assembly or final assembly, a large-sized or medium-sized assembly fixture for determining the mutual positions of airplane parts and assembly parts so as to carry out connection assembly is called an assembly fixture. The assembly fixture is used for accurately and rapidly positioning and clamping the low-rigidity aircraft parts and assembly parts, ensuring the correct geometric shapes and positions of the parts and limiting the deformation of the parts in the connection assembly process, so that the geometric shapes and the sizes of the assembled assembly parts are within a specified tolerance range, and the requirements of manufacturing accuracy and coordination accuracy of products are met. The conventional assembly type rack is troublesome in assembling and disassembling, and it is difficult to quickly calibrate the level in assembling.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aircraft part assembly type frame to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the top end of the combined type underframe is fixedly connected with a frame supporting plate, a supporting frame is arranged above the frame supporting plate, the outer wall of the supporting frame is fixedly connected with an ear seat, the ear seat is fixedly connected with a bolt connecting pair, the bottom end of a bolt of the bolt connecting pair is abutted to the upper surface of the frame supporting plate, the outer wall of the supporting frame is further fixedly connected with a positioning plate, the top end of the frame supporting plate is fixedly connected with a supporting seat, the supporting seat is fixedly connected with the positioning plate through a positioning bolt, the supporting seat is provided with a long circular hole matched with the positioning bolt, the length direction of the long circular hole is longitudinal, and the top end of the supporting frame is provided with a track supporting plate.

Optionally, the top end of the rail support plate is fixedly connected with a transverse slide rail, two ends of the transverse slide rail in the length direction extend in the front-back direction, the transverse slide rail is connected with a transverse slide block in a sliding manner, and the top end of the transverse slide block is fixedly connected with the lifting frame.

Optionally, a screw transmission mechanism for driving the lifting frame to move along the length direction of the transverse slide rail is arranged on the supporting frame, and the screw transmission mechanism comprises a motor and a screw transmission pair.

Optionally, two clamping jaws are arranged above the lifting frame and are in mirror symmetry, a linear actuator for driving the clamping jaws to move left and right is fixedly arranged at the top end of the lifting frame, and the linear actuator is an electro-hydraulic push rod.

Optionally, the ear seat is U-shaped, the bolt connection pair includes a bolt and a nut, and the head end of the bolt and the nut are respectively located on the upper side and the lower side of the ear seat.

Optionally, the supporting seat is L-shaped, two long circular holes and two positioning bolts are arranged, and the two long circular holes are longitudinally distributed.

Compared with the prior art, the utility model discloses possess following beneficial effect: the utility model discloses a frame construction, the structure is safe reliably, makes level on the frame bearing plate for the supporting frame through otic placode and bolted connection are vice to provide further support through locating plate and bearing, make supporting frame keep the stable level, the supporting frame can carry out repetition height control on the frame bearing plate, provides reliable basis for aircraft spare part assembly.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic structural view of a middle frame support plate, a support frame and a rail support plate according to the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1. a combined chassis; 2. a frame support plate; 3. a support frame; 4. an ear mount; 5. the bolt is connected to the pair; 6. positioning a plate; 7. a supporting seat; 8. positioning the bolt; 9. a long round hole; 10. a rail support plate; 11. a transverse slide rail; 12. a transverse slide block; 13. a lifting type frame; 14. a lead screw transmission mechanism; 15. a clamping jaw; 16. and a linear actuator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1-3, the present invention provides an aircraft component assembly fixture, which includes a combined underframe 1, a frame support plate 2 fixedly connected to a top end of the combined underframe 1, a support frame 3 disposed above the frame support plate 2, and a track support plate 10 slidably disposed on a top end of the support frame 3.

Outer wall fixedly connected with ear seat 4 of supporting frame 3, ear seat 4 is the U font, 4 fixedly connected with bolted connection of ear seat are vice 5, the bolt bottom of 5 of bolted connection is vice with the upper surface butt of frame bearing plate 2, bolted connection is vice 5 including screw bolt and nut, the head end and the nut of bolt are located the upper and lower both sides of ear seat 4 respectively, the nut provides the support for ear seat 4, through the height of adjusting nut on the bolt, can change the interval of ear seat 4 to frame bearing plate 2. The outer wall of the supporting frame 3 is fixedly connected with a positioning plate 6, the top end of the frame supporting plate 2 is fixedly connected with a supporting seat 7, the supporting seat 7 is fixedly connected with the positioning plate 6 through a positioning bolt 8, the supporting seat 7 is provided with a long circular hole 9 matched with the positioning bolt 8, the length direction of the long circular hole 9 is longitudinal, the supporting seat 7 is L-shaped, two long circular holes 9 and two positioning bolts 8 are arranged, and the two long circular holes 9 are longitudinally distributed.

Frame support plate 2 is equipped with and is controlling two that distribute, and four apex angle tops of every frame support plate 2 all are equipped with ear seat 4, and equal fixed mounting has two bearing 7 on every frame support plate 2, consequently, four bearing 7 are rectangle evenly distributed altogether. The mounting process of the support frame 3 on the frame support plate 2 is as follows: firstly, mounting a bolt connecting pair 5 on an ear seat 4; then, leveling is carried out by utilizing the bolt connecting pair 5, so that the supporting frame 3 is kept horizontal when the bottom end of a bolt of the bolt connecting pair 5 is abutted against the upper surface of the frame supporting plate 2; finally, the positioning plate 6 is fixed to the support base 7 by the positioning bolt 8. Because the positioning bolts 8 and the positioning plate 6 are positioned in certain positions, the long round holes 9 can be suitable for the installation of the positioning bolts 8 with different heights.

The utility model discloses a otic placode and the vice 5 of bolted connection make level to provide further support through locating plate 6 and bearing 7, make supporting frame 3 keep the stable level, supporting frame 3 can carry out repeated altitude mixture control on frame bearing plate 2, provide reliable basis for the assembly of aircraft spare part.

On the basis of the above embodiments, in this embodiment, the top end of the rail supporting plate 10 is fixedly connected with a transverse slide rail 11, both ends in the length direction of the transverse slide rail 11 extend in the front-back direction, the transverse slide rail 11 is slidably connected with a transverse slide block 12, and the top end of the transverse slide block 12 is fixedly connected with a lifting frame 13. The supporting frame 3 is provided with a screw transmission mechanism 14 for driving the lifting frame 13 to move along the length direction of the transverse slide rail 11, and the screw transmission mechanism 14 comprises a motor bracket, a bearing bracket, a motor and a screw transmission pair. The bearing support and the motor support are respectively arranged at the front end and the rear end of the supporting frame 3, the motor is arranged on the motor support, the motor is fixedly connected with a lead screw of the lead screw transmission pair through a coupler, the lead screw is rotatably connected with the bearing support, and a lead screw nut of the lead screw transmission pair is fixedly connected with the lower surface of the lifting frame 13.

On the basis of the above embodiment, in this embodiment, two clamping jaws 15 are disposed above the lifting frame 13, the two clamping jaws 15 are mirror-symmetrical, a linear actuator 16 for driving the clamping jaws 15 to move left and right is fixedly disposed at the top end of the lifting frame 13, and the linear actuator 16 is an electro-hydraulic push rod and is composed of an execution mechanism (oil cylinder), a control mechanism (hydraulic control valve set) and a power source (oil pump motor).

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An aircraft component assembly fixture, comprising: the combined type frame comprises a combined type underframe (1), wherein a frame supporting plate (2) is fixedly connected to the top end of the combined type underframe (1), a supporting frame (3) is arranged above the frame supporting plate (2), an ear seat (4) is fixedly connected to the outer wall of the supporting frame (3), a bolt connecting pair (5) is fixedly connected to the ear seat (4), the bottom end of a bolt of the bolt connecting pair (5) is abutted to the upper surface of the frame supporting plate (2), a positioning plate (6) is also fixedly connected to the outer wall of the supporting frame (3), a supporting seat (7) is fixedly connected to the top end of the frame supporting plate (2), the supporting seat (7) is fixedly connected to the positioning plate (6) through a positioning bolt (8), a long round hole (9) matched with the positioning bolt (8) is formed in the supporting seat (7), and the length direction of the long round hole (9) is longitudinal direction, the top end of the supporting frame (3) is provided with a track supporting plate (10).

2. An aircraft component assembly fixture as defined in claim 1, wherein: the top end of the rail supporting plate (10) is fixedly connected with a transverse sliding rail (11), two ends of the transverse sliding rail (11) in the length direction extend in the front-back direction, the transverse sliding rail (11) is connected with a transverse sliding block (12) in a sliding mode, and the top end of the transverse sliding block (12) is fixedly connected with a lifting frame (13).

3. An aircraft component assembly fixture as defined in claim 2, wherein: the supporting frame (3) is provided with a lead screw transmission mechanism (14) for driving the lifting frame (13) to move along the length direction of the transverse sliding rail (11), and the lead screw transmission mechanism (14) comprises a motor and a lead screw transmission pair.

4. An aircraft component assembly fixture as defined in claim 2, wherein: the top of lifting type frame (13) is equipped with two clamping jaws (15), two clamping jaw (15) are mirror symmetry, the top of lifting type frame (13) is fixed to be equipped with straight line executor (16) that remove about drive clamping jaw (15), straight line executor (16) are the electricity liquid push rod.

5. An aircraft component assembly fixture as defined in claim 1, wherein: the lug seat (4) is U-shaped, the bolt connecting pair (5) comprises a bolt and a nut, and the head end of the bolt and the nut are respectively positioned on the upper side and the lower side of the lug seat (4).

6. An aircraft component assembly fixture as defined in claim 1, wherein: the supporting seat (7) is L-shaped, two oblong holes (9) and two positioning bolts (8) are arranged, and the two oblong holes (9) are longitudinally distributed.