Universal device for assisting assembly of airplane parts

Abstract

The utility model relates to the field of assembly of airplane parts, and discloses a universal device for assisting assembly of airplane parts, which comprises a supporting platform and an adjusting platform arranged above the supporting platform, and adjusting supporting legs are fixedly arranged on the front side wall and the rear side wall of the supporting platform. A displacement assembly used for moving the adjusting platform is arranged on the upper end face of the supporting platform, a traction rod is arranged in the middle of the right side wall of the supporting platform, movable boxes are installed on the front side and the rear side of the upper end face of the adjusting platform in a sliding mode, an installation platform is arranged above the movable boxes, and a slewing bearing is rotatably installed on the lower end face of the installation platform. The lifting mechanism is small in size, large in lifting stroke, capable of moving front and back and transversely, capable of lifting parts on the device in a rotating mode, capable of finely adjusting the pitching angle of the device and finally accurately sending the parts to the installation position on an airplane, high in accessibility and capable of reducing the difficulty of installing the large-weight parts in a narrow space.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of aircraft parts assembly, specifically to a general device for assisting aircraft part assembly. BACKGROUND

[0002] In the current aircraft assembly field, part assembly is an important link in the whole machine assembly, and the part product is characterized by large weight, multiple sizes, wide distribution of coordinated assembly hole positions, and high interchangeability requirement.

[0003] After retrieval, the Chinese utility model patent discloses a general assembly fixture for small aircraft parts with the publication number CN219524245U, which comprises a support assembly including a first positioning plate and a second positioning plate, the first positioning plate is connected to the second positioning plate as an inner frame, and the first positioning plate and the second positioning plate are detachably connected.

[0004] In the above patent document, the first positioning plate and the second positioning plate can clamp and position multiple types of small aircraft parts, and they are detachably connected, which solves the problem of excessive assembly fixture types required for small aircraft part assembly. However, in actual use, during the aircraft assembly process, a large number of parts need to be installed, and the installation of parts usually has the following characteristics: 1. The installation position is high; 2. The installation position is usually narrow; 3. Some parts are installed from the belly upwards, and the belly clearance is low, while the installation position is high, so the minimum height of the auxiliary installation device needs to be low, and the lifting stroke is long; 4. Because there may be a bracket under the fuselage during installation of parts, the auxiliary device needs to be small in size, otherwise it is easy to interfere with the bracket; 5. The weight of the parts is usually more than several dozen kilograms, and it is not possible to manually lift in a narrow space. Due to the above characteristics of aircraft part installation, in the past installation process, a specific tool was customized for each type of part, greatly increasing the production cost and prolonging the production cycle. Therefore, there is an urgent need for a general device for assisting aircraft part assembly to solve such problems. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a general device for assisting aircraft part assembly to solve the problem of inconvenient adjustment of safety protection range according to different use scenarios and use requirements in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: a general device for assisting in the assembly of aircraft parts, including a support platform and an adjustment platform arranged above the support platform. Adjusting feet are fixedly installed on the front and rear side walls of the support platform. A displacement component for moving the adjustment platform is arranged on the upper end surface of the support platform. A traction rod is arranged in the middle of the right side wall of the support platform. Activity boxes are slidably installed on the front and rear sides of the upper end surface of the adjustment platform. An installation platform is arranged above the activity box. A slewing bearing is rotatably installed on the lower end surface of the installation platform. A lifting component for changing the height of the installation platform is arranged in the inner cavity of the activity box.

[0007] Preferably, the displacement component includes transverse movement guide rails fixedly installed on the front and rear sides of the upper end surface of the support platform, and a longitudinal movement guide rail slidably installed in the middle of the upper end surface of the transverse movement guide rails. Two groups of transverse movement guide rails are provided in total. A bracket is also fixedly installed on the right side of the upper end surface of the support platform. A transverse movement screw rod is threadedly installed in the inner cavity of the bracket. A transverse movement hand wheel is fixedly installed at the end of the transverse movement screw rod. The other end of the transverse movement screw rod is rotatably connected to the longitudinal movement guide rail.

[0008] Preferably, the displacement component further includes a longitudinal movement screw rod rotatably installed on the front side wall of the adjustment platform. A positioning frame is fixedly installed on the upper end surface of the longitudinal movement guide rail. The longitudinal movement screw rod slides in the inner cavity of the positioning frame. Sliding seats are fixedly installed around the lower end surface of the adjustment platform. The sliding seats slide on the side walls of the longitudinal movement guide rails. A longitudinal movement hand wheel is fixedly installed at the end of the longitudinal movement screw rod.

[0009] Preferably, the lifting component includes a sliding groove opened in the inner cavity of the activity box. A rigid chain is slidably installed in the inner cavity of the sliding groove. The end of the rigid chain is provided with a chain boss. A sprocket shaft is rotatably installed at the lower left part of the inner cavity of the activity box. A double-row sprocket is fixedly installed on the side wall of the sprocket shaft.

[0010] Preferably, several groups of rigid chains are provided. The rigid chains are fixedly connected to the slewing bearing. The sliding groove is arranged in a "return" shape in the inner cavity of the activity box. The double-row sprocket is engaged with the chain boss.

[0011] Preferably, the lifting component further includes a commutator fixedly installed on the right side of the upper end surface of the adjustment platform. A lifting hand wheel is fixedly installed at the input shaft end of the commutator. An adjustment box is fixedly installed on the side wall of the activity box. A worm and gear component is rotatably installed in the inner cavity of the adjustment box. The output end of the commutator is fixedly connected to the worm end of the worm and gear component through a connecting shaft.

[0012] Preferably, the worm end of the worm and gear component is fixedly connected to the sprocket shaft. The connecting shaft penetrates through the adjustment box and is connected.

[0013] Preferably, the right end surface of the support platform is fixedly installed with connecting ears on the front and back sides, the traction rod is hingedly installed in the inner cavity of the connecting ear, and the lower end surface of the support platform is fixedly installed with support wheels around.

[0014] Compared with the prior art, the device has the advantages that: the lifting mechanism has small volume and large lifting stroke, can move forward and backward and laterally, can rotate and lift the parts on the device, can fine-tune the pitch angle of the device, and finally accurately delivers the parts to the installation position on the airplane, has strong accessibility, reduces the difficulty of installing large-weight parts in a narrow space, and greatly improves the practicality of the entire device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view overall structure schematic diagram of the utility model of a kind of for assisting airplane parts assembly general device;

[0016] Figure 2 It is a front view overall structure schematic diagram of the utility model of a kind of for assisting airplane parts assembly general device;

[0017] Figure 3 It is a front view overall structure schematic diagram of the utility model of a kind of for assisting airplane parts assembly general device;

[0018] Figure 4 It is a front view overall structure schematic diagram of the utility model of a kind of for assisting airplane parts assembly general device;

[0019] Figure 5 It is a front view overall structure schematic diagram of the utility model of a kind of for assisting airplane parts assembly general device;

[0020] In the drawing: 1, support platform;2, adjusting platform;11, adjusting foot;3, displacement assembly;31, transverse moving guide rail;32, longitudinal moving guide rail;33, support;34, transverse moving screw;35, transverse moving hand wheel;36, longitudinal moving screw;37, positioning frame;38, sliding seat;39, longitudinal moving hand wheel;4, traction rod;41, connecting ear;5, movable box;6, mounting platform;7, rotary support;8, lifting assembly;81, sliding groove;82, steel chain;83, chain boss;84, chain wheel shaft;85, double-row chain wheel;86, commutator;87, lifting hand wheel;88, worm and gear assembly;89, connecting shaft;9, support wheel. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0022] Please refer to Figures 1-5 The utility model provides a kind of general device technical scheme for assisting aircraft parts assembly:

[0023] A kind of general device for assisting aircraft parts assembly, including support platform 1 and the adjusting platform 2 being set on support platform 1, adjusting foot 11 is fixedly installed on the front and rear side walls of support platform 1, the upper end surface of support platform 1 is provided with displacement component 3 for moving adjusting platform 2, traction rod 4 is provided in the right side wall middle part of support platform 1, slidingly installed with movable box 5 on the upper end surface front and rear sides of adjusting platform 2, installation platform 6 is provided above movable box 5, rotary support 7 is rotatably installed on the lower end surface of installation platform 6, lifting assembly 8 for changing the height of installation platform 6 is provided in the inner chamber of movable box 5.

[0024] Further, displacement component 3 includes fixedly installed on the upper end surface front and rear sides of support platform 1 horizontal moving guide rail 31, and slidingly installed on the upper end surface middle part of horizontal moving guide rail 31 longitudinal moving guide rail 32, horizontal moving guide rail 31 is provided with two groups, the right side of the upper end surface of support platform 1 is also fixedly installed with bracket 33, threaded screw rod 34 is installed in the inner chamber of bracket 33, end of threaded screw rod 34 is fixedly installed with horizontal moving hand wheel 35, the other end of threaded screw rod 34 is rotatably connected with longitudinal moving guide rail 32;

[0025] Displacement component 3 also includes longitudinal moving screw rod 36 rotatably installed on the front side wall of adjusting platform 2, the upper end surface of longitudinal moving guide rail 32 is fixedly installed with positioning frame 37, longitudinal moving screw rod 36 slides in the inner chamber of positioning frame 37, sliding seat 38 is fixedly installed on the lower end surface of adjusting platform 2, sliding seat 38 slides on the side wall of longitudinal moving guide rail 32, end of longitudinal moving screw rod 36 is fixedly installed with longitudinal moving hand wheel 39.

[0026] It should be noted that by rotating the transverse movement handwheel 35, the transverse movement screw rod 34 can be rotated. Since the transverse movement screw rod 34 is threadedly connected to the support 33, at this time, the transverse movement screw rod 46 can drive the longitudinal movement guide rail 32 to perform a horizontal transverse movement on the transverse movement guide rail 31. By rotating the longitudinal movement handwheel 39, the longitudinal movement screw rod 36 can be rotated. Since the longitudinal movement screw rod 36 is threadedly connected to the positioning frame 37, at this time, the longitudinal movement screw rod 36 moves the sliding seat 38 horizontally back and forth on the longitudinal movement guide rail 32. At this time, the position of the adjustment platform 2 is constantly changing, and different positions on the outer wall of the aircraft can be used.

[0027] Furthermore, the lifting component 8 includes a sliding groove 81 opened in the inner cavity of the movable box 5. A rigid chain 82 is slidably installed in the inner cavity of the sliding groove 81. The end of the rigid chain 82 is provided with a chain boss 83. A sprocket shaft 84 is rotatably installed at the lower left part of the inner cavity of the movable box 5. A double-row sprocket 85 is fixedly installed on the side wall of the sprocket shaft 84.

[0028] A number of groups of rigid chains 82 are provided. The rigid chain 82 is fixedly connected to the slewing bearing 7. The sliding groove 81 is arranged in a "return" shape in the inner cavity of the movable box 5. The double-row sprocket 85 is snap-fitted with the chain boss 83.

[0029] The lifting component 8 further includes a commutator 86 fixedly installed on the right side of the upper end face of the adjustment platform 2. A lifting handwheel 87 is fixedly installed at the input shaft end of the commutator 86. An adjustment box 51 is fixedly installed on the side wall of the movable box 5. A worm and gear assembly 88 is rotatably installed in the inner cavity of the adjustment box 51. The output end of the commutator 86 is fixedly connected to the worm end of the worm and gear assembly 88 through a connecting shaft 89.

[0030] The worm end of the worm and gear assembly 88 is fixedly connected to the sprocket shaft 84. The connecting shaft 89 penetrates through the adjustment box 51.

[0031] It should be noted that by driving the connecting shaft 89 through the lifting handwheel 87 via the commutator 86 to operate the worm and gear assembly 88. Since the worm end of the worm and gear assembly 88 is fixedly connected to the sprocket shaft 84, at this time, the sprocket shaft 84 can drive the double-row sprocket 85 to rotate, causing the rigid chain 82 to move up and down. The mounting platform 6 can rotate on the slewing bearing 7, enabling the components fixed on the mounting platform 6 to rotate horizontally. By adjusting the support feet 11, the fixation of the entire platform device and the fine adjustment of the device posture can be achieved, and the fine adjustment of the posture of the components supported on the platform can be realized, making it more convenient to install the components on the aircraft.

[0032] Furthermore, connecting ears 41 are fixedly installed on the front and rear sides of the right end face of the support platform 1. The towing rod 4 is hinge-mounted in the inner cavity of the connecting ear 41. Support wheels 9 are fixedly installed around the lower end face of the support platform 1.

[0033] Working principle:

[0034] In operation, through the arrangement of the supporting wheel 9, the user can pull the traction rod 4 to pull the device to move freely after adjusting the angle of the traction rod 4 through the connecting ear 41, the horizontal movement screw rod 34 can be rotated through the rotation of the horizontal movement handle 35, the horizontal movement screw rod 46 can drive the longitudinal movement guide rail 32 to move horizontally on the horizontal movement guide rail 31 since the horizontal movement screw rod 34 is in threaded connection with the bracket 33, the longitudinal movement screw rod 36 can be rotated through the rotation of the longitudinal movement handle 39, the sliding seat 38 can move horizontally on the longitudinal movement guide rail 32 since the longitudinal movement screw rod 36 is in threaded connection with the positioning frame 37, the position of the adjusting platform 2 changes constantly at this time, different positions of the outer wall of the airplane can be used, the worm gear assembly 88 can be operated through the lifting handle 87 driving the connecting shaft 89 through the commutator 86, the double-row sprocket 85 can be rotated since the sprocket shaft 84 is fixedly connected with the worm end of the worm gear assembly 88 at this time, the rigid chain 82 can be lifted up and down, the mounting platform 6 can rotate on the slewing bearing 7, the horizontal rotation of the parts fixed on the mounting platform 6 can be realized, the fixing of the whole platform device and the fine adjustment of the posture of the device can be realized through the adjustment of the supporting leg 11, the fine adjustment of the posture of the parts lifted on the platform can be realized, and the parts can be more conveniently installed on the airplane;

[0035] The rigid chain 82 in the device is modified from an ordinary chain, can be freely turned inward, and is limited to turn outward, when the two lifting mechanism chains are placed oppositely inward, and the rigid chain 82 is rigidly connected and fixed at the top, the lifting mechanism 8 can be stably and linearly lifted, and will not turn over, and the stability is improved. When the rigid chain 82 is lowered, the chain boss 83 will move in the inner cavity of the sliding groove 81, under the guidance of the sliding groove 81, the rigid chain 82 will be turned inward, and can turn in the movable box 5, and the volume of the lifting mechanism can be greatly reduced.

[0036] Therefore, through the above description, the lifting mechanism 8 adopted by the device has the advantages of small volume, large lifting stroke, forward and backward movement, horizontal movement, rotation of the parts lifted on the device, fine adjustment of the pitch angle of the device, accurate delivery of the parts to the installation position on the airplane, strong accessibility, reduced difficulty of installation of large-weight parts in a small space, and greatly improved practical performance of the whole device.

[0037] Finally, it should be noted that the above content is only used to illustrate the technical scheme of the present application, and is not a limitation on the protection scope of the present application. Simple modifications or equivalent replacements of the technical scheme of the present application by ordinary skilled in the art do not deviate from the essence and scope of the technical scheme of the present application.

Claims

1. A universal device for assisting in the assembly of aircraft parts, comprising a support platform (1) and an adjustment platform (2) arranged above the support platform (1), characterized in that, Adjusting feet (11) are fixedly installed on the front and rear side walls of the support platform (1). A displacement component (3) for moving the adjusting platform (2) is arranged on the upper end surface of the support platform (1). A traction rod (4) is arranged in the middle of the right side wall of the support platform (1). Moving boxes (5) are slidably installed on the front and rear sides of the upper end surface of the adjusting platform (2). An installation platform (6) is arranged above the moving boxes (5). A slewing bearing (7) is rotatably installed on the lower end surface of the installation platform (6). A lifting component (8) for changing the height of the installation platform (6) is arranged in the inner cavity of the moving box (5).

2. A general purpose device for assisting in the assembly of aircraft parts according to claim 1, characterized in that: The displacement component (3) includes transverse movement guide rails (31) fixedly installed on the front and rear sides of the upper end surface of the support platform (1), and a longitudinal movement guide rail (32) slidably installed in the middle of the upper end surface of the transverse movement guide rails (31). There are two groups of the transverse movement guide rails (31) in total. A bracket (33) is also fixedly installed on the right side of the upper end surface of the support platform (1). A transverse movement screw rod (34) is threadedly installed in the inner cavity of the bracket (33). A transverse movement hand wheel (35) is fixedly installed at the end of the transverse movement screw rod (34). The other end of the transverse movement screw rod (34) is rotatably connected to the longitudinal movement guide rail (32).

3. A general purpose device for assisting in the assembly of aircraft parts according to claim 2, characterized in that: The displacement component (3) further includes a longitudinal movement screw rod (36) rotatably installed on the front side wall of the adjusting platform (2). A positioning frame (37) is fixedly installed on the upper end surface of the longitudinal movement guide rail (32). The longitudinal movement screw rod (36) slides in the inner cavity of the positioning frame (37). Sliding seats (38) are fixedly installed around the lower end surface of the adjusting platform (2). The sliding seats (38) slide on the side wall of the longitudinal movement guide rail (s32). A longitudinal movement hand wheel (39) is fixedly installed at the end of the longitudinal movement screw rod (36).

4. A general purpose device for assisting in the assembly of aircraft parts as claimed in claim 1, wherein: The lifting component (8) includes a sliding groove (81) opened in the inner cavity of the moving box (5). A rigid chain (82) is slidably installed in the inner cavity of the sliding groove (81). The end of the rigid chain (82) is provided with a chain boss (83). A sprocket shaft (84) is rotatably installed at the lower left part of the inner cavity of the moving box (5). A double-row sprocket (85) is fixedly installed on the side wall of the sprocket shaft (84).

5. A general purpose device for assisting in the assembly of aircraft parts according to claim 4, characterized in that: There are several groups of the rigid chains (82) in total. The rigid chains (82) are fixedly connected to the slewing bearing (7). The sliding groove (81) is arranged in a "return" shape in the inner cavity of the moving box (5). The double-row sprocket (85) is engaged with the chain boss (83).

6. A general purpose device for assisting in the assembly of aircraft parts as claimed in claim 4, wherein: The lifting component (8) further includes a commutator (86) fixedly installed on the right side of the upper end surface of the adjusting platform (2). A lifting hand wheel (87) is fixedly installed at the input shaft end of the commutator (86). An adjusting box (51) is fixedly installed on the side wall of the moving box (5). A worm and gear component (88) is rotatably installed in the inner cavity of the adjusting box (51). The output end of the commutator (86) is fixedly connected to the worm end of the worm and gear component (88) through a connecting shaft (89).

7. A general purpose device for assisting in the assembly of aircraft parts according to claim 6, characterized in that: The worm end of the worm and gear assembly (88) is fixedly connected with the sprocket shaft (84), and the connecting shaft (89) is connected with the adjusting box (51) in penetration.

8. A general purpose device for assisting in the assembly of aircraft parts according to claim 1, characterized in that: The right end surface of the support platform (1) is fixedly provided with connecting ears (41) on the front and back sides, the traction rod (4) is hingedly installed in the inner cavity of the connecting ear (41), and the lower end surface of the support platform (1) is fixedly provided with support wheels (9) around.

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