Auxiliary lifting device for aviation maintenance

Abstract

The utility model relates to the technical field of aviation maintenance, and discloses an auxiliary lifting device for aviation maintenance, which solves the problem that the stability of a maintenance platform is difficult to guarantee at present, and comprises a bottom frame, the maintenance platform is arranged right above the bottom frame, and a supporting mechanism and a lifting mechanism are arranged between the maintenance platform and the bottom frame. The supporting mechanism comprises a lifting frame located between the maintenance platform and the bottom frame, two inner rods are symmetrically and fixedly connected to the inner side of the lifting frame, two inner plates are symmetrically and movably connected between the two inner rods in a sleeving mode, inserting plates are fixedly connected to the tops of the two inner plates, and positioning cylinders are fixedly connected to the positions, close to the four corners, of the top of the bottom frame. Positioning columns are fixedly connected to the positions, close to the four corners, of the bottom of the maintenance platform, and the positioning columns are inserted into the positioning cylinders correspondingly; according to the maintenance platform, the lifting frame and the two fixing plates can be fixed, then the maintenance platform can be stably supported, and therefore the stability of the maintenance platform can be guaranteed conveniently.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of aviation maintenance technology, concretely is an auxiliary lifting device for aviation maintenance. BACKGROUND

[0002] Aviation electrical is the electrical equipment on the aircraft, when the aviation electrical fault needs to be maintained, but the aviation electrical equipment height is not the same, part electrical equipment height is higher and needs maintenance personnel to stand on the lifting device to maintain, according to the authorized announcement no. CN211770146U, the name is "a lifting device for aviation electrical maintenance", it includes base, support column, bottom plate and telescopic structure, the base one side is equipped with positive and negative motor, the output shaft of positive and negative motor stretches into the inside of base, the output shaft top of positive and negative motor is welded with lead screw, the part of the output shaft of positive and negative motor is located outside the base and is sleeved with belt, the other end of belt is sleeved with driven shaft, the driven shaft stretches into the inside of base, the lead screw and driven shaft are both respectively sleeved with first sleeve ring and second sleeve ring on both ends, the first sleeve ring and second sleeve ring top are all welded with connecting block, the connecting block top is all connected with connecting column through bearing, two connecting columns top are connected with same support column through bearing, support column top and maintenance platform bottom are welded connection, the base top four corners are all welded with telescopic structure, but still has the following defects:

[0003] Although the lifting device can realize the lifting of the maintenance platform, there is no supporting structure after the maintenance platform stops lifting, so it is difficult to ensure the stability of the maintenance platform. SUMMARY

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an auxiliary lifting device for aviation maintenance, which effectively solves the problem that it is difficult to ensure the stability of the maintenance platform.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an auxiliary lifting device for aviation maintenance, including bottom frame, the top of bottom frame is equipped with maintenance platform, and the maintenance platform is equipped with supporting mechanism and lifting mechanism between bottom frame.

[0006] The support mechanism comprises a lifting frame between the maintenance platform and the bottom frame, the inner side of the lifting frame is fixedly connected with two inner rods in a symmetrical manner, two inner plates are movably sleeved between the two inner rods in a symmetrical manner, the top of each of the two inner plates is fixedly connected with an insertion plate, the top of the bottom frame is fixedly connected with a positioning cylinder near each corner, the bottom of the maintenance platform is fixedly connected with a positioning column near each corner, each positioning column is inserted into each positioning cylinder, the outer side of the positioning cylinder is provided with a side groove, each positioning column is fixedly connected with the lifting frame, and the lifting frame is slidably connected with the side groove, the top of the bottom frame is fixedly connected with two fixed plates in a symmetrical manner, each of the two fixed plates is provided with a plurality of insertion grooves on the side close to each other, the lifting frame is movably sleeved on the outer side of the two fixed plates, and each of the two insertion plates is inserted into each corresponding insertion groove.

[0007] Preferably, the inner side of the bottom frame is fixedly connected with a guide column, the outer side of the guide column is movably sleeved with two guide blocks in a symmetrical manner, the top of each of the two guide blocks is fixedly connected with a vertical plate, and the side close to each other of each of the two inner plates is fixedly connected with a side frame.

[0008] Preferably, the inner side of the bottom frame is fixedly connected with a guide column, the outer side of the guide column is movably sleeved with two guide blocks in a symmetrical manner, the top of each of the two guide blocks is fixedly connected with a vertical plate, and the side close to each other of each of the two inner plates is fixedly connected with a side frame.

[0009] Preferably, the outer middle of the guide column is fixedly sleeved with a sleeve block, a sliding rod is fixedly connected between the sleeve block and the bottom frame, a sliding block is movably sleeved on the outer side of the sliding rod, and a pneumatic cylinder is fixedly installed between the sliding block and the bottom frame.

[0010] Preferably, the outer side of the sliding block is rotatably connected with two movable rods in a symmetrical manner, and one end of each of the two movable rods is rotatably connected with each of the two guide blocks.

[0011] Preferably, the lifting mechanism comprises a bidirectional screw rod below the guide column, one end of the bidirectional screw rod is rotatably connected with the bottom frame, the other end of the bidirectional screw rod is fixedly installed with a driving motor, the driving motor is fixed on the bottom frame, the outer side of the bidirectional screw rod is movably sleeved with two nuts in a symmetrical screw thread manner, each of the two nuts is movably sleeved on the outer side of the guide column, the top of each of the two nuts is rotatably connected with a driving rod and a driving frame, the top of each of the driving rod and the driving frame is rotatably connected with the bottom of the maintenance platform, the driving rod and the driving frame are cross arranged, and the driving rod penetrates through the driving frame.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. Through the cooperation between the pneumatic cylinder, the sliding block, the sliding rod, the movable rod, the guide block and the guide column, the two vertical plates are convenient for moving away from each other, and through the cooperation between the side frame, the limiting roller, the inner plate and the inner rod, the two insertion plates are convenient for being inserted into the two corresponding insertion grooves, the lifting frame can be fixed with the two fixed plates, and then the maintenance platform can be stably supported, so that the stability of the maintenance platform can be ensured.

[0014] 2. By the cooperation between the driving motor, the bidirectional screw rod, the nut, the guide column, the driving rod, the driving frame, the positioning column and the positioning cylinder, the maintenance platform is stably moved, so that the height of the maintenance platform is adjusted. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, illustrate the present application and explain the technical scheme of the present application, and do not constitute a limitation on the present application.

[0016] In the drawings:

[0017] Figure 1 It is an auxiliary lifting device structure schematic view for the present application of aviation maintenance;

[0018] Figure 2 It is a support mechanism structure schematic view for the present application;

[0019] Figure 3 It is a guide column structure schematic view for the present application;

[0020] Figure 4 It is a lifting frame structure schematic view for the present application;

[0021] Figure 5 It is a lifting mechanism structure schematic view for the present application.

[0022] In the drawings: 1, bottom frame; 2, support mechanism; 201, lifting frame; 202, vertical plate; 203, slot; 204, fixed plate; 205, guide column; 206, positioning cylinder; 207, side groove; 208, positioning column; 209, sleeve block; 2010, sliding block; 2011, movable rod; 2012, air cylinder; 2013, sliding rod; 2014, guide block; 2015, plugboard; 2016, inner plate; 2017, side frame; 2018, limiting roller; 2019, inner rod; 3, lifting mechanism; 301, bidirectional screw rod; 302, nut; 303, driving motor; 304, driving rod; 305, driving frame; 4, maintenance platform. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application; based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the present application.

[0024] Embodiment one, by Figure 1The utility model relates to an auxiliary lifting device for aviation maintenance, comprising bottom frame 1, the positive top of bottom frame 1 is equipped with maintenance platform 4, and the maintenance platform 4 is equipped with support mechanism 2 and lifting mechanism 3 between bottom frame 1.

[0025] Specifically, by Figures 2-4 The support mechanism 2 comprises a lifting frame 201 located between the maintenance platform 4 and the bottom frame 1, two inner rods 2019 are fixedly connected to the inner side of the lifting frame 201 in a symmetrical manner, two inner plates 2016 are movably sleeved between the two inner rods 2019 in a symmetrical manner, an insertion plate 2015 is fixedly connected to the top of each inner plate 2016, a positioning cylinder 206 is fixedly connected to the top of the bottom frame 1 near each corner, a positioning column 208 is fixedly connected to the bottom of the maintenance platform 4 near each corner, each positioning column 208 is inserted into each positioning cylinder 206, a side groove 207 is arranged on the outer side of the positioning cylinder 206, each positioning column 208 is fixedly connected to the lifting frame 201, and the lifting frame 201 is slidably connected to the side groove 207, two fixed plates 204 are fixedly connected to the top of the bottom frame 1 in a symmetrical manner, a plurality of insertion grooves 203 are arranged on the side of each fixed plate 204 that is closer to the other fixed plate 204, the lifting frame 201 is movably sleeved on the outer side of the two fixed plates 204, each insertion plate 2015 is inserted into each corresponding insertion groove 203, a guide column 205 is fixedly connected to the inner side of the bottom frame 1, two guide blocks 2014 are movably sleeved on the outer side of the guide column 205 in a symmetrical manner, a vertical plate 202 is fixedly connected to the top of each guide block 2014, a side frame 2017 is fixedly connected to the side of each inner plate 2016 that is closer to the other inner plate 2016, each vertical plate 202 penetrates through each side frame 2017, two limiting rollers 2018 are rotatably connected to the inner side of the side frame 2017 in a symmetrical manner, the vertical plate 202 is located between the two limiting rollers 2018, the limiting roller 2018 is arranged to avoid direct contact between the vertical plate 202 and the side frame 2017, thereby facilitating the reduction of friction when the side frame 2017 moves outside the vertical plate 202, a sleeve block 209 is fixedly sleeved on the outer middle portion of the guide column 205, a sliding rod 2013 is fixedly connected between the sleeve block 209 and the bottom frame 1, a sliding block 2010 is movably sleeved on the outer side of the sliding rod 2013, an air cylinder 2012 is fixedly installed between the sliding block 2010 and the bottom frame 1, two movable rods 2011 are rotatably connected to the outer side of the sliding block 2010 in a symmetrical manner, and the ends of the two movable rods 2011 that are away from the sliding block 2010 are rotatably connected to the two guide blocks 2014, respectively.

[0026] In operation, the maintenance platform 4 is first raised and lowered, causing each positioning column 208 to slide along each positioning cylinder 206 to ensure the stability of the maintenance platform 4 during movement. At the same time, the lifting frame 201 slides along the outer side of the two fixed plates 204. When the maintenance platform 4 stops rising and falling, the cylinder 2012 is activated, causing the slider 2010 to slide along the slide rod 2013. Through the two movable rods 2011, the two guide blocks 2014 are driven to slide along the guide column 205, and the two upright plates 202 are driven to move away from each other, pushing the two side frames 2017 respectively. Then, the two inner plates 2016 are driven to slide along the two inner rods 2019, and the two insert plates 2015 are driven to move away from each other until they are inserted into the two corresponding slots 203 respectively, fixing the lifting frame 201 to the two fixed plates 204. Finally, the maintenance platform 4 is stably supported to ensure its stability.

[0027] Specifically, by Figure 5 The lifting mechanism 3 includes a bidirectional lead screw 301 located below the guide column 205. One end of the bidirectional lead screw 301 is rotatably connected to the bottom frame 1, and the other end of the bidirectional lead screw 301 is fixedly mounted with a drive motor 303. The drive motor 303 is fixed on the bottom frame 1. Two nuts 302 are symmetrically threaded on the outer side of the bidirectional lead screw 301. Both nuts 302 are movably sleeved on the outer side of the guide column 205. The tops of the two nuts 302 are respectively rotatably connected to a drive rod 304 and a drive frame 305. The tops of the drive rod 304 and the drive frame 305 are rotatably connected to the bottom of the maintenance platform 4. The drive rod 304 and the drive frame 305 are arranged crosswise, and the drive rod 304 passes through the drive frame 305.

[0028] In use, the drive motor 303 is first started, which drives the bidirectional lead screw 301 to rotate and causes the two lead nuts 302 to slide along the guide post 205. Then, the drive rod 304 and the drive frame 305 drive the maintenance platform 4 to move longitudinally, and finally the maintenance platform 4 is raised and lowered to adjust its height.

Claims

1. An auxiliary lifting device for aircraft maintenance, comprising a base frame (1), characterized in that: The bottom frame (1) is provided with a maintenance platform (4) above it, and a support mechanism (2) and a lifting mechanism (3) are arranged between the maintenance platform (4) and the bottom frame (1). The support mechanism (2) comprises a lifting frame (201) arranged between the maintenance platform (4) and the bottom frame (1), the inner side of the lifting frame (201) is fixedly connected with two inner rods (2019) symmetrically, two inner plates (2016) are movably sleeved between the two inner rods (2019) symmetrically, the top of each inner plate (2016) is fixedly connected with a plug-in plate (2015), the top of the bottom frame (1) is fixedly connected with a positioning cylinder (206) near the four corners, the bottom of the maintenance platform (4) is fixedly connected with a positioning column (208) near the four corners, each positioning column (208) is inserted into each positioning cylinder (206), the outer side of the positioning cylinder (206) is provided with a side groove (207), each positioning column (208) is fixedly connected with the lifting frame (201), and the lifting frame (201) is slidably connected with the side groove (207), the top of the bottom frame (1) is fixedly connected with two fixed plates (204) symmetrically, each of the two fixed plates (204) is provided with a plurality of insertion grooves (203) on the side close to each other, the lifting frame (201) is movably sleeved on the outer side of the two fixed plates (204), and the two plug-in plates (2015) are inserted into two corresponding insertion grooves (203) respectively.

2. The auxiliary lifting device for aircraft maintenance according to claim 1, characterized in that: The inner side of the bottom frame (1) is fixedly connected with a guide column (205), the outer side of the guide column (205) is movably sleeved with two guide blocks (2014) symmetrically, the top of each guide block (2014) is fixedly connected with a vertical plate (202), and the side close to each other of each inner plate (2016) is fixedly connected with a side frame (2017), and the two vertical plates (202) penetrate through the two side frames (2017) respectively.

3. An auxiliary lifting device for aircraft maintenance according to claim 2, characterized in that: The inner side of the side frame (2017) is symmetrically rotatably connected with two limiting rollers (2018), and the vertical plate (202) is located between the two limiting rollers (2018).

4. The auxiliary lifting device for aircraft maintenance according to claim 2, characterized in that: The outer side of the guide column (205) is fixedly sleeved with a sleeve block (209) in the middle, the sleeve block (209) and the bottom frame (1) are fixedly connected with a sliding rod (2013), the outer side of the sliding rod (2013) is movably sleeved with a sliding block (2010), and the sliding block (2010) and the bottom frame (1) are fixedly connected with an air cylinder (2012).

5. An auxiliary lifting device for aircraft maintenance according to claim 4, characterized in that: The outer side of the sliding block (2010) is rotatably connected with two movable rods (2011) symmetrically, and the ends away from the sliding block (2010) of the two movable rods (2011) are rotatably connected with the two guide blocks (2014) respectively.

6. The auxiliary lifting device for aircraft maintenance according to claim 1, characterized in that: The lifting mechanism (3) comprises a bidirectional screw rod (301) below the guide column (205), one end of the bidirectional screw rod (301) is rotationally connected with the bottom frame (1), the other end of the bidirectional screw rod (301) is fixedly installed with a driving motor (303), the driving motor (303) is fixed on the bottom frame (1), the outer side of the bidirectional screw rod (301) is symmetrically and threadedly sleeved with two screw nuts (302), the two screw nuts (302) are movably sleeved on the outer side of the guide column (205), the top of the two screw nuts (302) is respectively rotationally connected with a driving rod (304) and a driving frame (305), the top of the driving rod (304) and the driving frame (305) is rotationally connected with the bottom of the maintenance platform (4), the driving rod (304) and the driving frame (305) are cross arranged, and the driving rod (304) penetrates through the driving frame (305).

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