Aircraft assembly fixture

Abstract

The utility model provides an aircraft assembly fixture, which belongs to the field of aircraft manufacturing and comprises a base frame. Four hollow sliding stand columns are slidably connected to the top end face of the base frame in a rectangular array mode, beam frames are connected to the tops of the four sliding stand columns, adjusting bases are clamped to the tops of the beam frames, two control motors are symmetrically installed at the front end and the rear end of the right side wall of the base frame, and driving control mechanisms are arranged in the front inner side wall and the rear inner side wall of the base frame. According to the aircraft assembly fixture, the driving rod is controlled to slide leftwards and rightwards through the shifting block connected with the bottom of the shifting rod, so that meshing tooth protrusions at the left end and the right end of the driving rod are meshed with meshing tooth grooves in different driving worms, and the different control screws are controlled to rotate by meshing the driving worms with driving worm wheels at the bottoms of the control screws; therefore, the heights of different sliding stand columns are adjusted so as to meet the height requirements of different positions during aircraft assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of aircraft manufacturing, especially relates to an aircraft assembly jig. BACKGROUND

[0002] In the modern aviation manufacturing industry, aircraft assembly is a very complex and precise process, and the aircraft assembly jig is a key tool for ensuring the accurate assembly of aircraft parts. Its performance directly affects the final quality, production efficiency and manufacturing cost of the aircraft. The existing aircraft assembly jig structure design is often rigid, lacks sufficient flexibility and versatility, and cannot meet the needs of aircraft component installation in different parts. It is difficult to efficiently adapt to the diversified structure and size characteristics of different models of aircraft or the same model of aircraft in different assembly stages. SUMMARY

[0003] The utility model aims to provide an aircraft assembly jig to at least partially solve the problems raised in the background art.

[0004] The purpose and function of the aircraft assembly jig of the utility model are achieved by the following specific technical means:

[0005] An aircraft assembly jig, wherein the aircraft assembly jig comprises a base frame; the top end face of the base frame is slidably connected to four hollow sliding columns in a rectangular array, the top of each of the four sliding columns is connected to a cross beam frame, the top of the cross beam frame is clamped to an adjusting seat, two control motors are symmetrically installed on the front and rear ends of the right side wall of the base frame, a drive rod is connected to the left side of the control motor, a ring-shaped array of interlocking teeth protrusions is symmetrically arranged on the left and right sides of the drive rod, a circular limiting block is fixedly connected to the middle of the drive rod, and a drive control mechanism is arranged in the front and rear inner side walls of the base frame.

[0006] Further, four hollow guide sliding rods are fixedly installed on the top end face of the base frame in a rectangular array, a control screw is rotatably connected to the bottom end face of the guide sliding rod, a drive worm is fixedly connected to the bottom of the control screw, and a pushing groove is formed in the upper end face between the two guide sliding rods on the top of the base frame.

[0007] Further, an internal sliding rod is fixedly connected to the middle of the inner side wall of the top of the sliding column, the internal sliding rod is slidably connected to the guide sliding rod on the top of the base frame, the internal sliding rod is threadedly connected to the control screw rotatably connected inside the guide sliding rod, and a connecting ball head is fixedly connected to the top of the sliding column.

[0008] Further, the bottom of the cross beam frame is fixedly provided with four connecting ball seats in a rectangular array, the bottom end surface of the connecting ball seat is slidably connected to the connecting ball head at the top of the sliding column, T-shaped clamping grooves are equidistantly arranged in the left and right inner walls of the cross beam frame, and two positioning holes are symmetrically arranged outside the T-shaped clamping grooves of the cross beam frame.

[0009] Further, the adjusting seat is in the shape of H, two T-shaped clamping blocks are symmetrically arranged on the bottom of the adjusting seat, the T-shaped clamping blocks are clamped in the T-shaped clamping grooves of the cross beam frame, two positioning rods are symmetrically arranged on the bottom end surface of the adjusting seat outside the T-shaped clamping blocks, the positioning rods are inserted into the positioning holes arranged on the top end surface of the cross beam frame, and a control cylinder is fixedly arranged at the middle of the bottom of the adjusting seat.

[0010] Further, the driving control mechanism comprises a driving worm, a pushing block and a pushing rod, two opposite driving worms are symmetrically arranged and are provided with engaging tooth grooves at the middle of the opposite side walls, the driving worms are slidably connected to the left and right ends of the driving rod, the engaging tooth protrusions at the left and right ends of the driving rod and the engaging tooth grooves are intermittently engaged, the pushing block is rotatably connected to the outside of the limiting block at the middle of the driving rod, the pushing rod is fork-shaped, the bottom front and rear ends of the pushing rod are rotatably connected to the front and rear side walls of the pushing block, and the pushing rod is slidably connected to the pushing groove of the base frame.

[0011] The utility model provides a kind of aircraft assembly jig, with following beneficial effects:

[0012] 1. By hollow guide slide on the top end surface of base frame It is installed in rectangular array, and control screw is rotatably connected at the bottom of guide slide, so as to improve the rigidity and stability of sliding column during lifting by the cooperation of guide slide, sliding column and built-in slide rod, and the height of sliding column is adjusted under the rotation of control screw, so as to adjust the levelness of cross beam frame connected to the top of sliding column, and the special inclination of cross beam frame can also be adjusted.

[0013] 2. By adjusting the left and right swing of pushing rod, the driving rod can be controlled to slide left and right by pushing block connected to the bottom of pushing rod, so that the engaging tooth protrusions at the left and right ends of driving rod and the engaging tooth grooves inside different driving worms are engaged, so that different control screws are controlled to rotate by the engagement of driving worm and driving worm wheel at the bottom of control screw, so as to adjust the height of different sliding columns, so as to meet the height requirement of different positions during aircraft assembly.

[0014] 3. By connecting the connecting ball head at the top of sliding column and cross beam frame with connecting ball seat, the cross beam frame can have different inclination states, so as to meet the use requirements of different installation positions during aircraft accessory assembly, and the adjusting seat installed on the top of cross beam frame by T-shaped clamping block and positioning rod can quickly and accurately position aircraft parts under the action of control cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the right front side shaft structure schematic view of the utility model;

[0016] Figure 2 It is the right front side structure schematic view of the utility model from the bottom;

[0017] Figure 3 It is the whole split structure schematic view of the utility model;

[0018] Figure 4 It is the guiding slide rod cut structure schematic view of the utility model;

[0019] Figure 5 It is the slide column cut structure schematic view of the utility model;

[0020] Figure 6 It is the drive rod and drive worm split structure schematic view of the utility model.

[0021] In the drawing, the corresponding relationship of component name and drawing number is as follows:

[0022] 1, base frame; 101, guiding slide rod; 102, knob groove; 2, slide column; 201, connecting ball head; 202, built-in slide rod; 3, control screw; 301, drive worm wheel; 4, cross beam frame; 401, connecting ball seat; 402, T-shaped clamping groove; 403, positioning hole; 6, adjusting seat; 601, T-shaped clamping block; 602, positioning rod; 7, control cylinder; 8, control motor; 801, drive rod; 802, engagement tooth convex; 803, limiting block; 9, drive worm; 901, engagement tooth groove; 10, knob; 11, knob rod. DETAILED DESCRIPTION

[0023] The embodiment of the utility model is described in further detail below in combination with the drawings and examples.

[0024] Example one:

[0025] As shown in the drawing: Figures 1 to 6

[0026] ​The embodiment provides an aircraft assembly jig which comprises a base frame 1, four hollow sliding columns 2 are slidably connected to the top end surface of the base frame 1 in a rectangular array, a cross beam frame 4 is connected to the top of each of the four sliding columns 2, an adjusting seat 6 is clamped to the top of the cross beam frame 4, two control motors 8 are symmetrically installed at the front and back of the right side wall of the base frame 1, a driving rod 801 is connected to the left side of the control motor 8, a ring-shaped array of engagement teeth protrusions 802 is symmetrically arranged on the left and right sides of the driving rod 801, a circular limiting block 803 is fixedly connected to the middle of the driving rod 801, a driving control mechanism is arranged in the front and back inner side walls of the base frame 1, four hollow guide sliding rods 101 are fixedly installed on the top end surface of the base frame 1 in a rectangular array, a control screw 3 is rotatably connected to the bottom end surface of the guide sliding rod 101, a driving worm wheel 301 is fixedly connected to the bottom of the control screw 3, a pushing groove 102 is arranged in the upper end surface between the two guide sliding rods 101 on the top of the base frame 1, an embedded sliding rod 202 is fixedly connected to the middle of the inner side wall of the top of the sliding column 2, the embedded sliding rod 202 is slidably connected in the guide sliding rod 101 on the top of the base frame 1, the embedded sliding rod 202 is threadedly connected to the control screw 3 which is rotatably connected inside the guide sliding rod 101, a connecting ball head 201 is fixedly connected to the top of the sliding column 2, the specific effect is that the hollow guide sliding rod 101 is arranged on the top end surface of the base frame 1 in a rectangular array, and the control screw 3 is rotatably connected to the bottom of the guide sliding rod 101, so that the rigidity and stability of the sliding column 2 during lifting are improved through the cooperation of the guide sliding rod 101, the sliding column 2 and the embedded sliding rod 202, and the height of the sliding column 2 is adjusted under the rotation of the control screw 3, so that the levelness of the cross beam frame 4 connected to the top of the sliding column 2 is adjusted, and the special inclination angle of the cross beam frame 4 can be adjusted.

[0027] The driving control mechanism comprises a driving worm 9, a poking block 10 and a poking rod 11, the driving worm 9 is symmetrically provided with two opposite side walls, and a tooth groove 901 is formed in the middle of the side wall, the driving worm 9 is slidably connected to the left and right ends of a driving rod 801, the tooth groove 901 is intermittently engaged with a tooth protrusion 802 at the left and right ends of the driving rod 801, the poking block 10 is rotatably connected to the outside of a limiting block 803 in the middle of the driving rod 801, the poking rod 11 is fork-shaped, the bottom of the poking rod 11 is rotatably connected to the front and rear side walls of the poking block 10, and the poking rod 11 is slidably connected to a poking groove 102 of the base frame 1, the specific effect is that, by adjusting the left and right swinging of the poking rod 11, the driving rod 801 can be controlled to slide left and right through the poking block 10 connected to the bottom of the poking rod 11, so that the tooth protrusion 802 at the left and right ends of the driving rod 801 is engaged with the tooth groove 901 in the driving worm 9, thereby the driving worm 9 and the driving worm wheel 301 at the bottom of the control screw rod 3 are engaged, different control screw rods 3 are controlled to rotate, the height of different sliding columns 2 is adjusted, and the height requirement of different positions during aircraft assembly is met.

[0028] The bottom of the beam frame 4 is fixedly provided with four connecting ball seats 401 in a rectangular array, the bottom end surface of the connecting ball seat 401 is slidably connected to the connecting ball head 201 at the top of the sliding column 2, equidistant T-shaped clamping grooves 402 are formed in the left and right inner walls of the beam frame 4, two positioning holes 403 are symmetrically formed outside the T-shaped clamping groove 402 of the beam frame 4, the adjusting seat 6 is in the shape of “H”, two T-shaped clamping blocks 601 are symmetrically provided on the bottom left and right sides of the adjusting seat 6, the T-shaped clamping block 601 is clamped in the T-shaped clamping groove 402 of the beam frame 4, two positioning rods 602 are symmetrically mounted on the bottom end surface of the adjusting seat 6 outside the T-shaped clamping block 601, the positioning rod 602 is inserted into the positioning hole 403 formed in the top end surface of the beam frame 4, and the control cylinder 7 is fixedly installed in the middle of the bottom of the adjusting seat 6, the specific effect is that, by connecting the beam frame 4 and the connecting ball head 201 at the top of the sliding column 2 through the connecting ball seat 401, the beam frame 4 can have different inclination states, the use requirement of different installation positions during aircraft assembly is met, and the adjusting seat 6 at the top of the beam frame 4 is installed through the T-shaped clamping block 601 and the positioning rod 602, and the aircraft parts can be quickly and accurately positioned under the action of the control cylinder 7.

[0029] The specific use mode and effect of the embodiment are as follows:

[0030] In use of the aircraft assembly jig, the hollow guide slide rod 101 is installed in a rectangular array on the top end face of the base frame 1, and the control screw 3 is rotationally connected at the bottom of the guide slide rod 101, so that the rigidity and stability of the sliding column 2 during lifting are improved through the cooperation of the guide slide rod 101 and the sliding column 2 and the built-in slide rod 202, and the height of the sliding column 2 is adjusted under the rotation of the control screw 3, so as to adjust the levelness of the beam frame 4 connected at the top of the sliding column 2, and the special inclination angle of the beam frame 4 can be adjusted, by adjusting the left and right swing of the push rod 11, the drive rod 801 can be controlled to slide left and right through the push block 10 connected at the bottom of the push rod 11, so that the engagement tooth protrusions 802 at both ends of the drive rod 801 are engaged with the engagement tooth grooves 901 inside the different drive worms 9, so that the different control screws 3 are controlled to rotate through the engagement of the drive worms 9 and the drive worm gears 301 at the bottom of the control screw 3, thereby adjusting the height of the different sliding columns 2 to meet the height requirements at different positions during aircraft assembly, and by connecting the connecting ball head 201 at the top of the sliding column 2 and the beam frame 4 through the connecting ball seat 401, the beam frame 4 can have different inclination states to meet the use requirements at different installation positions during aircraft assembly, and the top of the beam frame 4 is installed with the adjusting seat 6 through the T-shaped clamping block 601 and the positioning rod 602, which can quickly and accurately position the aircraft parts under the action of the control cylinder 7.

[0031] Embodiment two:

[0032] By designing the adjusting seat 6 into different concave or convex shapes, different aircraft structures can be well adapted, thereby improving the convenience during aircraft assembly.

Claims

1. An aircraft assembly jig, characterised in that: The utility model provides a kind of adjustable height platform, including base frame (1), the top end surface of the base frame (1) is slidably connected with four hollow sliding columns (2) in rectangular array, the top of four sliding columns (2) is connected with beam frame (4), the top of beam frame (4) is clamped with adjustment seat (6), the front and rear ends of the right side wall of base frame (1) are symmetrically equipped with two control motors (8), the left side of control motor (8) is connected with driving rod (801), the left and right sides of driving rod (801) are symmetrically provided with occlusal teeth convex (802) in annular array, driving rod (801) is fixedly connected with circular limit block (803) in the middle, drive control mechanism is arranged in the front and rear inner side walls of base frame (1).

2. An aircraft assembly jig according to claim 1, wherein: The top end surface of the base frame (1) is fixedly installed with four hollow guide sliding rods (101) in rectangular array, the bottom end surface of the guide sliding rod (101) is rotatably connected with control screw (3), the bottom of control screw (3) is fixedly connected with driving worm (301), the upper end surface between the left and right two guide sliding rods (101) of base frame (1) top is provided with a push slot (102).

3. An aircraft assembly jig as claimed in claim 1, wherein: The top inner side wall of the sliding column (2) is fixedly connected with an embedded sliding rod (202) in the middle, the embedded sliding rod (202) is slidably connected in the guide sliding rod (101) of the top of base frame (1), the embedded sliding rod (202) is threadedly connected on the control screw (3) rotatably connected in the guide sliding rod (101), the top of sliding column (2) is fixedly connected with a connecting ball head (201).

4. An aircraft assembly jig as claimed in claim 1, wherein: The bottom of the beam frame (4) is fixedly installed with four connecting ball seats (401) in rectangular array, the bottom end surface of the connecting ball seat (401) is slidably connected on the connecting ball head (201) of the top of sliding column (2), the left and right inner walls of beam frame (4) are equidistantly provided with T-shaped clamping grooves (402), two positioning holes (403) are symmetrically provided outside the T-shaped clamping groove (402) of beam frame (4).

5. An aircraft assembly jig as claimed in claim 1, wherein: The bottom left and right sides of the adjustment seat (6) are symmetrically provided with two T-shaped clamping blocks (601), the T-shaped clamping block (601) is clamped in the T-shaped clamping groove (402) of beam frame (4), two positioning rods (602) are symmetrically installed on the bottom end surface of the adjustment seat (6) outside the T-shaped clamping block (601), the positioning rod (602) is inserted into the positioning hole (403) provided on the top end surface of beam frame (4), the control cylinder (7) is fixedly installed in the middle of the bottom of adjustment seat (6).

6. An aircraft assembly jig according to any one of claims 1 to 5, wherein: The driving control mechanism comprises a driving worm (9), a poking block (10) and a poking rod (11), two symmetrical and opposite side walls of the driving worm (9) are provided with a tooth slot (901) in the middle, the driving worm (9) is slidably connected to the left and right ends of a driving rod (801), the tooth slot (901) and the tooth convex (802) at the left and right ends of the driving rod (801) are intermittently engaged, the poking block (10) is rotatably connected to the outside of a limiting block (803) in the middle of the driving rod (801), the poking rod (11) is fork-shaped, the bottom of the poking rod (11) is rotatably connected to the front and rear side walls of the poking block (10), and the poking rod (11) is slidably connected in a poking slot (102) of the base frame (1).

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