Lifting frame structure

Abstract

The utility model provides a lifting frame structure, and particularly relates to the technical field of undercarriage carrying, the lifting frame structure comprises a frame, a traction mechanism is arranged on the frame, a lifting mechanism is arranged on the frame, when the lifting frame structure is used, a first motor is started to drive a first bevel gear on a rotating shaft to rotate so as to drive a second bevel gear, and the second bevel gear is driven to rotate. During use, the pipe clamp is opened, the two-way screw rod is started, the two supporting columns are driven to be close to each other, the pipe clamp is made to be perpendicular to a wheel shaft on the undercarriage, then the lifting frame is lifted to a proper position, and then the lifting frame is lifted to a proper position. The pipe clamp is arranged on the lifting frame, so that the pipe clamp is attached to a wheel shaft on the undercarriage, then the pipe clamp is fastened, the undercarriage is separated from an aircraft, then the lifting frame is lowered, the undercarriage is transported, and due to the arrangement of the adjusting mechanism, undercarriages with different wheel shaft distances can be more conveniently adapted.

Description

Technical Field

[0001] The utility model relates to the technical field of landing gear transportation, in particular to a lifting frame structure. Background Art

[0002] The landing gear is the underside of an aircraft used to support the aircraft during takeoff, landing, or taxiing, allowing it to maneuver on the ground (or water). The landing gear is the only component that supports the entire aircraft, making it an integral part of the aircraft; without it, the aircraft cannot move on the ground. After takeoff, the landing gear can be retracted depending on flight performance. However, the landing gear has a limited number of uses, so it needs to be replaced. However, before removal, a landing gear removal vehicle is required. However, each landing gear has a different axle spacing, making it inconvenient to use a landing gear removal vehicle to adapt to different landing gear types. Utility Model Content

[0003] The present invention aims to provide a lifting gear structure to solve the problem mentioned in the background art above that the landing gear needs to be replaced due to a limited number of uses. However, before disassembly, a landing gear removal vehicle is required. However, since the axle spacing of each landing gear is different, the landing gear removal vehicle is not convenient for disassembling different landing gears during use.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a lifting frame structure, comprising a frame, a traction mechanism provided on the frame, a lifting mechanism provided on the frame, the lifting mechanism comprising a first fixed slot, a rotating shaft, a first bevel gear, a first motor, a second bevel gear, a lead screw and a connecting block, a first fixed slot is opened on the top of the frame, the inner side of the first fixed slot is rotatably connected to the rotating shaft, the outer side of the rotating shaft is fixedly connected to the first bevel gear, one end of the rotating shaft is fixedly connected to the first motor, the outer side of the first bevel gear is meshedly connected to the second bevel gear, the top of the second bevel gear is fixedly connected to the lead screw, the outer side of the lead screw is rotatably connected to the connecting block, the outer side of the lead screw is threadedly connected to the lifting frame, and an adjustment mechanism is provided on the top of the lifting frame.

[0005] Preferably, four lifting mechanisms are provided, and the connecting blocks are fixedly connected to the vehicle frame.

[0006] Preferably, the sizes of the first bevel gear and the second bevel gear match, and the first motor is fixedly connected to the vehicle frame.

[0007] Preferably, the traction mechanism includes a fixed column and a traction rod, the fixed column is fixedly connected to the top of the frame, one end of the traction rod is hinged to the fixed column, and two traction rods are provided.

[0008] Preferably, the adjustment mechanism includes a fixed frame, a second fixed slot, a bidirectional screw rod, a second motor, a support column and a pipe clamp. The fixed frame is fixedly connected to the top of the lifting frame. Second fixed slots are opened on both sides of the top of the fixed frame. The inner side of the second fixed slot is rotatably connected to the bidirectional screw rod. One end of the bidirectional screw rod is fixedly connected to the second motor. The outer side of the bidirectional screw rod is threadedly connected to the support column. The top of the support column is fixedly connected to the pipe clamp.

[0009] Preferably, the outer wall of the support column fits with the inner wall of the second fixing groove, and the second motor is fixedly connected to the fixing bracket.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows: when the lifting frame structure is in use, the first motor is started to drive the first bevel gear on the rotating shaft to rotate, thereby transmitting the second bevel gear, driving the lead screw to rotate, and the lead screw is threadedly connected to the lifting frame, and four lifting mechanisms are provided, thereby completing the up and down lifting of the lifting frame. When in use, the pipe clamp is opened, the bidirectional lead screw is started, and the two support columns are driven to approach each other, so that the pipe clamp and the wheel axle on the landing gear are vertically connected. After that, after the lifting frame is lifted to the appropriate position, the pipe clamp is fit with the wheel axle on the landing gear, and then the pipe clamp is fastened. After that, the aircraft landing gear is separated from the aircraft, and then the lifting frame is lowered to transport the landing gear. The setting of the adjustment mechanism is more convenient to adapt to landing gears with different wheel axle spacings. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the lifting mechanism structure of the utility model;

[0013] Figure 3 This is a schematic diagram of the structure of the vehicle frame and the connecting block cooperating with each other in the utility model;

[0014] Figure 4 This is a schematic diagram of the structure of the adjustment mechanism of the utility model.

[0015] In the figure: 1. Frame; 2. Fixed column; 3. Drawbar; 4. Lifting mechanism; 401. First fixed slot; 402. Rotating shaft; 403. First bevel gear; 404. First motor; 405. Second bevel gear; 406. Lead screw; 407. Connecting block; 5. Lifting frame; 6. Adjusting mechanism; 601. Fixed frame; 602. Second fixed slot; 603. Bidirectional lead screw; 604. Second motor; 605. Support column; 606. Pipe clamp. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the efficacy and purpose that can be achieved by this application.

[0018] Example

[0019] See also Figure 1-4 The utility model discloses a lifting frame structure: comprising a vehicle frame 1, a traction mechanism provided on the vehicle frame 1, a lifting mechanism 4 provided on the vehicle frame 1, the lifting mechanism 4 comprising a first fixed slot 401, a rotating shaft 402, a first bevel gear 403, a first motor 404, a second bevel gear 405, a lead screw 406 and a connecting block 407, a first fixed slot 401 is provided on the top of the vehicle frame 1, the inner side of the first fixed slot 401 is rotatably connected to the rotating shaft 402, the outer side of the rotating shaft 402 is fixedly connected to the first bevel gear 403, one end of the rotating shaft 402 is fixedly connected to the first motor 404, the first bevel gear 405 and the second bevel gear 406. The outer side of 03 is meshed with the second bevel gear 405, and the top of the second bevel gear 405 is fixedly connected with a screw 406. The outer side of the screw 406 is rotatably connected to the connecting block 407. The outer side of the screw 406 is threadedly connected to the lifting frame 5. The top of the lifting frame 5 is provided with an adjustment mechanism 6. When in use, the first motor 404 is started to drive the first bevel gear 403 on the rotating shaft 402 to rotate, thereby transmitting the second bevel gear 405 and driving the screw 406 to rotate. The screw 406 is threadedly connected to the lifting frame 5, and four lifting mechanisms 4 are provided to complete the up and down lifting of the lifting frame 5.

[0020] In order to facilitate the lifting of the lifting frame 5 , four lifting mechanisms 4 are provided, and the connecting block 407 is fixedly connected to the vehicle frame 1 .

[0021] In order to facilitate the lifting of the lifting frame 5 , the sizes of the first bevel gear 403 and the second bevel gear 405 are consistent, and the first motor 404 is fixedly connected to the frame 1 .

[0022] In order to facilitate the movement of the frame 1, the traction mechanism includes a fixed column 2 and a traction rod 3. The fixed column 2 is fixedly connected to the top of the frame 1. One end of the traction rod 3 is hinged to the fixed column 2. Two traction rods 3 are provided and are hinged to the two fixed columns 2. The setting of the traction rod 3 makes it more convenient to pull the frame 1.

[0023] In order to facilitate the removal of the aircraft landing gear, the adjustment mechanism 6 includes a fixing frame 601, a second fixing slot 602, a bidirectional screw rod 603, a second motor 604, a support column 605 and a pipe clamp 606. The fixing frame 601 is fixedly connected to the top of the lifting frame 5. The second fixing slots 602 are opened on both sides of the top of the fixing frame 601. The inner side of the second fixing slot 602 is rotatably connected to the bidirectional screw rod 603. One end of the bidirectional screw rod 603 is fixedly connected to the second motor 604. The outer side of the bidirectional screw rod 603 is threadedly connected to the support column 605. The support column The top of 605 is fixedly connected to the pipe clamp 606. The pipe clamp 606 is opened and the bidirectional screw rod 603 is started to drive the two support columns 605 closer to each other, so that the pipe clamp 606 and the wheel axle on the landing gear are vertically perpendicular. After the lifting frame 5 is lifted and lowered to a suitable position, the pipe clamp 606 is made to fit the wheel axle on the landing gear, and then the pipe clamp 606 is fastened. After that, the aircraft landing gear is separated from the aircraft, and then the lifting frame 5 is lowered to transport the landing gear. The setting of the adjustment mechanism 6 is more convenient to adapt to landing gears with different wheel axle spacings.

[0024] In order to facilitate the removal of the aircraft landing gear, the outer wall of the support column 605 is fitted with the inner wall of the second fixing groove 602 , and the second motor 604 is fixedly connected to the fixing bracket 601 .

[0025] Working principle: When in use, start the first motor 404 to drive the first bevel gear 403 on the rotating shaft 402 to rotate, thereby transmitting the second bevel gear 405, driving the screw 406 to rotate, and the screw 406 is threadedly connected to the lifting frame 5, and the lifting mechanism 4 is provided with four, thereby completing the up and down lifting of the lifting frame 5. When in use, open the pipe clamp 606, start the bidirectional screw 603, and drive the two support columns 605 to approach each other, so that the pipe clamp 606 and the wheel axle on the landing gear are vertically connected. After that, after the lifting frame 5 is lifted and lowered to the appropriate position, the pipe clamp 606 is fit with the wheel axle on the landing gear, and then the pipe clamp 606 is fastened. After that, the aircraft landing gear is separated from the aircraft, and then the lifting frame 5 is lowered to transport the landing gear. The setting of the adjustment mechanism 6 is more convenient to adapt to landing gears with different wheel axle spacings.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these implementation rules without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lifting frame structure, comprising a frame (1), characterized in that: The vehicle frame (1) is provided with a traction mechanism, and the vehicle frame (1) is provided with a lifting mechanism (4), the lifting mechanism (4) comprising a first fixing slot (401), a rotating shaft (402), a first bevel gear (403), a first motor (404), a second bevel gear (405), a lead screw (406) and a connecting block (407), the top of the vehicle frame (1) is provided with a first fixing slot (401), the inner side of the first fixing slot (401) is rotatably connected to the rotating shaft (402), the rotating shaft (402) The outer side of the first bevel gear (403) is fixedly connected to the first bevel gear (403), one end of the rotating shaft (402) is fixedly connected to the first motor (404), the outer side of the first bevel gear (403) is meshedly connected to the second bevel gear (405), the top of the second bevel gear (405) is fixedly connected to the lead screw (406), the outer side of the lead screw (406) is rotatably connected to the connecting block (407), the outer side of the lead screw (406) is threadedly connected to the lifting frame (5), and the top of the lifting frame (5) is provided with an adjustment mechanism (6).

2. The lifting frame structure according to claim 1, characterized in that: Four lifting mechanisms (4) are provided, and the connecting block (407) is fixedly connected to the vehicle frame (1).

3. The lifting frame structure according to claim 1, characterized in that: The sizes of the first bevel gear (403) and the second bevel gear (405) are consistent, and the first motor (404) is fixedly connected to the vehicle frame (1).

4. The lifting frame structure according to claim 1, characterized in that: The traction mechanism comprises a fixed column (2) and a traction rod (3), wherein the fixed column (2) is fixedly connected to the top of the vehicle frame (1), one end of the traction rod (3) is hinged to the fixed column (2), and two traction rods (3) are provided.

5. The lifting frame structure according to claim 1, characterized in that: The adjusting mechanism (6) comprises a fixing frame (601), a second fixing slot (602), a bidirectional screw rod (603), a second motor (604), a support column (605) and a pipe clamp (606); the fixing frame (601) is fixedly connected to the top of the lifting frame (5); the second fixing slots (602) are provided on both sides of the top of the fixing frame (601); the inner side of the second fixing slot (602) is rotatably connected to the bidirectional screw rod (603); one end of the bidirectional screw rod (603) is fixedly connected to the second motor (604); the outer side of the bidirectional screw rod (603) is threadedly connected to the support column (605); and the top of the support column (605) is fixedly connected to the pipe clamp (606).

6. The lifting frame structure according to claim 5, characterized in that: The outer wall of the support column (605) fits into the inner wall of the second fixing groove (602), and the second motor (604) is fixedly connected to the fixing frame (601).

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