Foldable airplane hydraulic jack for escalator

Abstract

The utility model relates to a foldable airplane hydraulic jack for an escalator, and relates to the technical field of supporting devices, the foldable airplane hydraulic jack comprises a hydraulic jack part, three inclined supporting rods are arranged at the top end of the hydraulic jack part, the inclined supporting rods are uniformly arranged on the side face of the hydraulic jack part in the circumferential direction, one end of each inclined supporting rod is hinged to the top end of the hydraulic jack part, and the other end of each inclined supporting rod is hinged to the top end of the hydraulic jack part. A horizontal pull rod is arranged between every two adjacent inclined supporting rods, the two ends of each horizontal pull rod are connected with the bottom ends of the inclined supporting rods, a triangular structure is formed between the horizontal pull rods, the hydraulic jack is located in the triangular structure, a straight escalator and an inclined escalator are arranged on the side face of the hydraulic jack, and the inclined escalator is arranged in the inclined direction of the inclined supporting rods. The two ends of the inclined escalator are connected with the inclined supporting rod and the horizontal pull rod respectively, the straight escalator is vertically arranged and hinged to the inclined escalator, a limiting groove is formed in the bottom end of the straight escalator, and the top end of the inclined escalator is located at the limiting groove of the straight escalator. The method has the effect of improving the working efficiency.

Description

Technical Field

[0001] The present application relates to the field of supporting devices, and in particular to a foldable escalator type aircraft hydraulic jack. Background Art

[0002] Aircraft hydraulic jack is a jack specially used for aircraft repair and maintenance. It uses a hydraulic system to provide lifting force and can withstand large weights and provide a large lifting height.

[0003] For related technology, reference may be made to Chinese patent publication number CN217708708U, which discloses an aircraft hydraulic jack of an inverted structure, comprising an escalator disposed in a vertical direction.

[0004] Regarding the above-mentioned related technologies, when the jack needs to be lifted to a higher height, the escalator should also rise accordingly, which can easily cause the escalator to break. In addition, the escalator itself occupies a large space, affecting the stability of the structure. Utility Model Content

[0005] In order to improve the phenomenon that the ladder in the existing aircraft hydraulic jack is easily broken and affects the stability of its own structure, the present application provides an aircraft hydraulic jack with a foldable ladder.

[0006] The present application provides a foldable escalator aircraft hydraulic jack, which adopts the following technical solution:

[0007] A foldable escalator aircraft hydraulic jack comprises a hydraulic jack component, wherein the top of the hydraulic jack component is provided with three oblique support rods, the oblique support rods are evenly arranged on the side surfaces of the hydraulic jack component in a circumferential direction, one end of the oblique support rods is hinged to the top of the hydraulic jack component, a horizontal pull rod is provided between adjacent oblique support rods, both ends of the horizontal pull rods are connected to the bottom ends of the oblique support rods, a triangular structure is formed between the horizontal pull rods, the hydraulic jack component is located in the triangular structure, a straight escalator and an oblique escalator are provided on the side surfaces of the hydraulic jack, the oblique escalator is arranged along the inclination direction of the oblique support rods, the two ends of the oblique escalator are respectively connected to the oblique support rods and the horizontal pull rods, the straight escalator is arranged vertically, the straight escalator is hinged to the oblique escalator, a limiting groove is provided at the bottom end of the straight escalator, the top end of the oblique escalator is located at the limiting groove of the straight escalator, and in the unfolded state, a connecting rod is provided at the connecting end of the straight escalator and the oblique escalator away from the hinge, and the connecting rod is penetrated between the straight escalator and the oblique escalator.

[0008] By adopting the above technical solution, when it is necessary to use an aircraft hydraulic jack to lift the aircraft, a foldable escalator is provided to facilitate adaptation to operations at different heights, and the foldable escalator can be folded up when not in use to reduce the occupied space, and a connecting rod is provided to enhance the stability between the straight escalator and the inclined escalator.

[0009] Optionally, one end of the escalator away from the inclined escalator is provided with a shaft sleeve for fixing the escalator and the inclined escalator in a folded state, and the shaft sleeves are evenly arranged on both sides of the escalator. In the folded state, the escalator and the inclined escalator are connected at the shaft sleeves.

[0010] By adopting the above technical solution, when the foldable escalator is in the folded state, the shaft sleeve is provided and the straight escalator and the inclined escalator are connected by the shaft, which is conducive to enhancing the connection stability between the straight escalator and the inclined escalator.

[0011] Optionally, one end of the diagonal support rod away from the hydraulic jack member is provided with a support leg, the bottom end of the support leg is provided with a support plate, and the support leg is threadedly connected to the support plate.

[0012] By adopting the above technical solution, when the jack is in working state, the supporting legs are rotated downward, and the contact between the supporting legs and the ground is conducive to fixing the jack.

[0013] Optionally, a tool box is provided on the side of the hydraulic jack component, and the tool box is connected to the hydraulic jack component.

[0014] By adopting the above technical solution, a tool box is arranged on the side of the hydraulic jack, which is convenient for storing the tools required for repairing and adjusting the hydraulic jack, so that maintenance personnel can easily find the required tools when using the hydraulic jack, which is conducive to improving work efficiency.

[0015] Optionally, an electric pump group for driving the jack to work is provided on the side of the hydraulic jack.

[0016] By adopting the above technical solution, when a hydraulic jack is needed for lifting operations, the electric pump group is used to provide power for the hydraulic jack, thereby realizing the functions of lifting and lowering the hydraulic jack and carrying heavy objects, realizing automated operation, reducing manual labor, and helping to improve work efficiency.

[0017] Optionally, the diagonal support rod is provided with a manual pump group for driving the jack to operate, the manual pump group is connected to a crank rod, the crank rod is extended along the inclination direction of the diagonal support rod, and the crank rod is located on the diagonal support rod.

[0018] By adopting the above technical solution, when a hydraulic jack is needed for lifting operations, a manual pump group is set up to provide power for the hydraulic jack. The staff opens and closes the manual pump group by operating the crank lever, thereby realizing the functions of lifting and lowering the hydraulic jack and carrying heavy objects. This is easy to understand and implement, and is conducive to improving work efficiency.

[0019] Optionally, a multi-stage mechanical screw with adjustable height is provided at the top of the hydraulic jack member.

[0020] By adopting the above technical solution, when a hydraulic jack is required for lifting work, the height of the hydraulic jack can be easily adjusted by means of a multi-stage mechanical screw arranged at the top, thereby adapting to maintenance work in different working environments and helping to improve the flexibility of the equipment.

[0021] Optionally, the multi-stage mechanical screw includes a primary mechanical screw and a secondary mechanical screw, the primary mechanical screw is threadedly connected to the secondary mechanical screw, the secondary mechanical screw is threadedly connected to the hydraulic jack, and the bottom ends of the primary mechanical screw and the secondary mechanical screw are provided with safety bolts to prevent themselves from falling.

[0022] By adopting the above technical solution, when a multi-stage mechanical screw is needed for height adjustment, the staff drives the first-stage mechanical screw and the second-stage mechanical screw to rotate respectively, thereby achieving height adjustment, and then fixes the position through the safety bolt, thereby adjusting the height of the hydraulic jack component, which is easy to understand and implement, and is conducive to improving work efficiency.

[0023] Optionally, the support legs are provided with rollers for facilitating the movement of the hydraulic jack components, and the support legs are rotatably connected to a traction rod, and the rotation axis of the traction rod is in the horizontal direction.

[0024] By adopting the above technical solution, when the hydraulic jack part needs to be moved, the staff pulls the traction rod and moves the hydraulic jack part under the sliding of the roller. The operation is simple and is conducive to improving work efficiency.

[0025] In summary, the present application includes at least one of the following beneficial technical effects:

[0026] 1. By setting hydraulic jack parts, diagonal struts, horizontal pull rods, straight escalators and diagonal escalators, when the aircraft hydraulic jack parts are needed to lift the aircraft, a foldable escalator is set to facilitate adaptation to operations at different heights, and the foldable escalator can be folded up when not in use to reduce space occupation. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The utility model is a schematic diagram of the overall structure of an escalator foldable aircraft hydraulic jack.

[0028] Figure 2 yes Figure 1 Enlarged schematic diagram of part A.

[0029] Explanation of the reference numerals in the accompanying drawings: 1. Hydraulic jack parts; 11. Tool box; 12. Electric pump group; 13. Manual pump group; 14. Crank rod; 2. Support member; 21. Diagonal support rod; 22. Horizontal pull rod; 23. Support leg; 24. Roller; 25. Traction rod; 26. Support plate; 3. Lifting member; 31. Straight escalator; 32. Inclined escalator; 33. Bushing; 34. Multi-stage mechanical screw; 341. First-stage mechanical screw; 342. Second-stage mechanical screw; 343. Safety bolt; 35. Connecting rod. DETAILED DESCRIPTION

[0030] The present application is further described in detail below in conjunction with all the accompanying drawings.

[0031] The embodiment of the present application discloses a foldable escalator type aircraft hydraulic jack.

[0032] Reference Figure 1 A foldable escalator aircraft hydraulic jack includes a hydraulic jack component 1, a support component 2 and a lifting component 3. The hydraulic jack component 1 is arranged above the support component 2, and the lifting component 3 is connected to the hydraulic jack component 1 and the support component 2 respectively. The hydraulic jack component 1 realizes the function of lifting and carrying heavy objects, the support component 2 supports and fixes other components, and the lifting component 3 changes the height of the top of the hydraulic jack component 1 and is convenient for inspection and maintenance.

[0033] The hydraulic jack component 1 is a prior art and will not be described in detail herein.

[0034] Reference Figure 1 A tool box 11 is provided on the side of the hydraulic jack component 1, and the tool box 11 is connected to the hydraulic jack component 1. An electric pump group 12 for driving the hydraulic jack component 1 to work is provided on the side of the hydraulic jack component 1. A manual pump group 13 for driving the hydraulic jack component 1 to work is provided on the support component 2. The manual pump group 13 is connected to a crank rod 14, and the crank rod 14 is located on the support component 2.

[0035] Reference Figure 1 By arranging a tool box 11 on the side of the hydraulic jack 1, it is convenient to store the tools required for repairing and adjusting the hydraulic jack 1, so that the maintenance personnel can easily find the required tools when using the hydraulic jack 1. When the hydraulic jack 1 is needed for lifting, the electric pump group 12 and the manual pump group 13 work together to provide power for the hydraulic jack 1, so as to realize the lifting and carrying of the hydraulic jack 1 and the heavy object.

[0036] Reference Figure 1The support member 2 includes three oblique support rods 21, three horizontal pull rods 22, three support legs 23, a plurality of rollers 24 and a traction rod 25. The three oblique support rods 21 are all inclinedly arranged on the side of the hydraulic jack member 1, and the oblique support rods 21 are evenly arranged in the circumferential direction. One end of the oblique support rods 21 is hinged to the top of the hydraulic jack member 1, and the horizontal pull rod 22 is arranged at the bottom end of the adjacent oblique support rods 21. The three support legs 23 are respectively arranged at one end of the oblique support rod 21 away from the hydraulic jack member 1. A support plate 26 is provided at the bottom end of the support leg 23, and the support leg 23 is threadedly connected to the support plate 26. The rollers 24 are all arranged on the side of the support leg 23. The traction rod 25 is rotatably connected to the support leg 23, and the rotating axis of the traction rod 25 is in the horizontal direction.

[0037] Reference Figure 1 By setting the diagonal support rod 21 and the horizontal pull rod 22, the hydraulic jack component 1 is located at the center of the two to form a triangular structure, which enhances the stability of the overall equipment. When the jack is in working state, the support leg 23 is rotated downward, and the contact between the support leg 23 and the ground is conducive to fixing the hydraulic jack component 1; when the hydraulic jack component 1 needs to be moved, the staff pulls the traction rod 25 and realizes the movement of the hydraulic jack component 1 under the sliding of the roller 24. The operation is simple and conducive to improving work efficiency.

[0038] Reference Figure 1 and Figure 2 The lifting member 3 includes a straight ladder 31, an inclined ladder 32, a sleeve 33 and a multi-stage mechanical screw 34. The inclined ladder 32 is arranged along the inclined direction of the inclined support rod 21. The two ends of the inclined ladder 32 are respectively connected to the inclined support rod 21 and the horizontal pull rod 22. The straight ladder 31 is arranged vertically. The straight ladder 31 and the inclined ladder 32 are hinged. A limiting groove is provided at the bottom end of the straight ladder 31. The top of the inclined ladder 32 is located at the limiting groove of the straight ladder 31. In the unfolded state, a connecting rod 35 is provided at the connecting end of the straight ladder 31 and the inclined ladder 32 away from the hinge. The connecting rod 35 is penetrated between the straight ladder and the inclined ladder. The sleeve 33 is arranged at one end of the inclined ladder 32 close to the straight ladder 31. The sleeve 33 is evenly arranged on both sides of the inclined ladder 32. In the folded state, the straight ladder 31 and the inclined ladder 32 are connected by a shaft at the sleeve 33. The multi-stage mechanical screw 34 is arranged at the top of the hydraulic jack member 1.

[0039] Reference Figure 1 and Figure 2By setting a connecting rod, the stability between the straight escalator and the inclined escalator is enhanced. When the aircraft hydraulic jack is needed to lift the aircraft, a foldable escalator is provided to facilitate adaptation to operations at different heights, and the foldable escalator can be folded up when not in use to reduce the occupied space. When the foldable escalator is in the folded state, a shaft sleeve 33 is provided and the straight escalator 31 and the inclined escalator 32 are connected through an axis, which is conducive to enhancing the connection stability between the straight escalator 31 and the inclined escalator 32; when the hydraulic jack component 1 is needed to perform lifting work, the multi-stage mechanical screw 34 provided at the top of the hydraulic jack component 1 is used to facilitate the adjustment of the height of the hydraulic jack component 1, thereby adapting to maintenance work in different working environments, which is conducive to improving the flexibility of the equipment.

[0040] Reference Figure 1 The multi-stage mechanical screw 34 includes a primary mechanical screw 341 and a secondary mechanical screw 342. The primary mechanical screw 341 is threadedly connected to the secondary mechanical screw 342. The secondary mechanical screw 342 is threadedly connected to the hydraulic jack component 1. The bottom ends of the primary mechanical screw 341 and the secondary mechanical screw 342 are both provided with safety bolts 343 to prevent themselves from falling.

[0041] Reference Figure 1 When the multi-stage mechanical screw 34 is needed for height adjustment, the staff drives the first-stage mechanical screw 341 and the second-stage mechanical screw 342 to rotate respectively, thereby achieving height adjustment, and then fixes the position through the safety bolt 343, thereby adjusting the height of the hydraulic jack member 1, which is easy to understand and implement, and is conducive to improving work efficiency.

[0042] The implementation principle of the foldable escalator aircraft hydraulic jack in the embodiment of the present application is: when the aircraft hydraulic jack component 1 needs to be used to lift the aircraft, a foldable escalator is provided to facilitate adaptation to operations at different heights, and the foldable escalator can be folded up when not in use to reduce occupied space.

[0043] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A foldable escalator aircraft hydraulic jack, comprising a hydraulic jack member (1), characterized in that: The top of the hydraulic jack member (1) is provided with three diagonal support rods (21), the diagonal support rods (21) are evenly arranged on the side of the hydraulic jack member (1) in the circumferential direction, one end of the diagonal support rods (21) is hinged to the top of the hydraulic jack member (1), and horizontal pull rods (22) are provided between adjacent diagonal support rods (21), both ends of the horizontal pull rods (22) are connected to the bottom of the diagonal support rods (21), and a triangular structure is formed between the horizontal pull rods (22), the hydraulic jack member (1) is located in the triangular structure, and a straight ladder (31) and an inclined ladder (32) are provided on the side of the hydraulic jack. ), the inclined escalator (32) is arranged along the inclined direction of the inclined support rod (21), the two ends of the inclined escalator (32) are respectively connected to the inclined support rod (21) and the horizontal pull rod (22), the straight escalator (31) is arranged vertically, the straight escalator (31) and the inclined escalator (32) are hinged, the bottom end of the straight escalator (31) is provided with a limiting groove, the top end of the inclined escalator (32) is located at the limiting groove of the straight escalator (31), in the unfolded state, the connecting end of the straight escalator (31) and the inclined escalator (32) away from the hinge is provided with a connecting rod (35), and the connecting rod (35) is passed between the straight escalator and the inclined escalator.

2. The foldable escalator aircraft hydraulic jack according to claim 1, characterized in that: An end of the escalator (31) away from the inclined escalator (32) is provided with a shaft sleeve (33) for fixing the escalator (31) and the inclined escalator (32) in a folded state. The shaft sleeves (33) are evenly arranged on both sides of the escalator (31). In the folded state, the escalator (31) and the inclined escalator (32) are connected at the shaft sleeves (33).

3. The foldable escalator aircraft hydraulic jack according to claim 1, characterized in that: The end of the diagonal support rod (21) away from the hydraulic jack component (1) is provided with a support leg (23), the bottom end of the support leg (23) is provided with a support plate (26), and the support leg (23) is threadedly connected to the support plate (26).

4. The foldable escalator aircraft hydraulic jack according to claim 1, characterized in that: A tool box (11) is provided on the side of the hydraulic jack component (1), and the tool box (11) is connected to the hydraulic jack component (1).

5. The foldable escalator aircraft hydraulic jack according to claim 1, characterized in that: An electric pump group (12) for driving the jack to work is provided on the side of the hydraulic jack member (1).

6. The foldable escalator aircraft hydraulic jack according to claim 5, characterized in that: The diagonal support rod (21) is provided with a manual pump group (13) for driving the jack to operate. The manual pump group (13) is connected with a crank rod (14). The crank rod (14) is extended along the inclination direction of the diagonal support rod (21). The crank rod (14) is located on the diagonal support rod (21).

7. The foldable escalator aircraft hydraulic jack according to claim 1, characterized in that: The top end of the hydraulic jack member (1) is provided with a multi-stage mechanical screw (34) with adjustable height.

8. The foldable escalator aircraft hydraulic jack according to claim 7, characterized in that: The multi-stage mechanical screw (34) comprises a primary mechanical screw (341) and a secondary mechanical screw (342), wherein the primary mechanical screw (341) is threadedly connected to the secondary mechanical screw (342), and the secondary mechanical screw (342) is threadedly connected to the hydraulic jack component (1), and the bottom ends of the primary mechanical screw (341) and the secondary mechanical screw (342) are both provided with safety bolts (343) to prevent themselves from falling.

9. The foldable escalator aircraft hydraulic jack according to claim 3, characterized in that: The support legs (23) are each provided with a roller (24) for facilitating the movement of the hydraulic jack component (1); the support legs (23) are rotatably connected to a traction rod (25), and the rotation axis of the traction rod (25) is in a horizontal direction.

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