Hydraulic turnover engine thrust reverser assembly platform

Abstract

The invention provides a hydraulic turnover engine thrust reverser assembling platform which comprises a horizontal frame and a vertical frame, the vertical frame is mounted on the horizontal frame through a rotating bearing, the vertical frame is connected with the horizontal frame through a hydraulic cylinder, and the vertical frame is driven to rotate around the horizontal frame through power of the hydraulic cylinder; a hydraulic steady flow valve is arranged on the hydraulic cylinder to lock the position state of the vertical frame; the double-acting hinge hydraulic cylinder is adopted to simulate a sliding rod mechanism, the vertical frame is pulled to the vertical position from the horizontal position, the platform operation is simpler, more convenient, faster and more reliable, and the stability and safety in the assembling process are greatly improved by adopting the double locking mode of the hydraulic steady flow valve and the mechanical lock pin.

Description

Technical Field

[0001] The present invention relates to the field of hydraulic systems, and in particular to an assembly platform for an engine thrust reverser device with hydraulic flipping. Background Art

[0002] During the assembly and maintenance process of the engine thrust reverser device, the thrust reverser device needs to be placed in two states, horizontal and vertical, for assembly multiple times, and the thrust reverser door needs to be continuously opened to check whether the assembly position is correct. The original vehicle frame uses a crane to pull and flip the flipping part until it is fixed with a pin in the vertical position. During the pulling process, due to factors such as unstable center of gravity, there is a risk of tipping over, and the flipping efficiency is extremely low. It is not suitable for the way of multiple flips, and the stability and safety of flipping are difficult to guarantee, resulting in safety risks.

[0003] Therefore, there is an urgent need for an assembly platform for an engine thrust reverser device with hydraulic flipping to overcome the above technical defects. Summary of the Invention

[0004] In order to solve the above technical problems, this patent provides an assembly platform for an engine thrust reverser device with hydraulic flipping, avoiding the phenomenon of tipping over caused by multiple flips.

[0005] In order to achieve the above object, the present application provides the following technical solutions. An assembly platform for an engine thrust reverser device with hydraulic flipping includes:

[0006] A horizontal vehicle frame and a vertical vehicle frame. The vertical vehicle frame is installed on the horizontal vehicle frame through a rotary bearing, and the vertical vehicle frame is connected to the horizontal vehicle frame through a hydraulic cylinder. The vertical vehicle frame is driven to rotate around the horizontal vehicle frame by the power of the hydraulic cylinder. A hydraulic flow stabilizer valve is provided on the hydraulic cylinder to lock the position state of the vertical vehicle frame.

[0007] Optionally, the horizontal vehicle frame is composed of a square bottom frame, two vertical columns on both sides, and two column support rods. The column support rods are respectively fixedly connected to the bottom frame and the vertical columns to form a triangle. The vertical vehicle frame is composed of a circular frame, two vertical columns, and a cross column connecting the two vertical columns.

[0008] Optionally, the two vertical columns of the vertical vehicle frame are installed on the square bottom frame of the horizontal vehicle frame through rotary bearings. The vertical columns and the vertical support columns are in the same plane, and the vertical columns are outside the vertical support columns. One end of the hydraulic cylinder is connected to the square bottom frame of the horizontal vehicle frame, and the other end is connected to the cross column of the vertical vehicle frame. The vertical vehicle frame is driven to rotate around the horizontal vehicle frame by the power of the hydraulic cylinder.

[0009] Optionally, the rotary bearing includes a bearing seat, washer D, spring washer C, hexagon socket head cap screw E and a rotating shaft. The two vertical struts of the vertical frame are respectively installed on the rotating shaft in the middle of the bearing seat. The bearing seat is fixed to the square bottom frame of the horizontal frame by hexagon socket head cap screw E, and washer D and spring washer C are arranged between the bearing seat and the square bottom frame of the horizontal frame.

[0010] Optionally, the hydraulic cylinder is arranged inside the support and is fixedly installed on the support through a thin hexagon nut and a pin shaft. The support is fixed to the square bottom frame of the horizontal frame by hexagon socket head cap screw D. Spring washer A is arranged between hexagon socket head cap screw D and the square bottom frame of the horizontal frame, and spring washer B is arranged between the thin hexagon nut and the support.

[0011] Optionally, an oil-impregnated bearing is arranged inside the bearing seat for the rotational lubrication of the vertical frame and the horizontal frame. End covers are arranged at both ends of the bearing seat for dust-proof sealing of the bearing seat, and the end covers are connected to the bearing seat by hexagon socket head cap screw F.

[0012] Optionally, a vertical mechanical lock pin is installed on the horizontal frame. The vertical mechanical lock pin includes: handwheel A, flat key A, hexagon socket head cap screw B, washer B, screw, support block and cylindrical pin. Handwheel A is connected to hexagon socket head cap screw B through flat key A, and hexagon socket head cap screw B is rotated by rotating handwheel A. Hexagon socket head cap screw B is fixedly connected to the support block, and the position of the support block is fixed by a cylindrical pin. Washer B is arranged between hexagon socket head cap screw B and the support block.

[0013] Optionally, a horizontal mechanical lock pin for connecting the circular frame of the vertical frame is installed on the vertical strut of the horizontal frame. The horizontal mechanical lock pin includes a plug pin, handwheel B, flat key B, hexagon socket head cap screw C and washer C. Handwheel B is connected to hexagon socket head cap screw C through flat key B, and hexagon socket head cap screw C is rotated by rotating handwheel B. Hexagon socket head cap screw C is fixedly connected to the plug pin, and the plug pin is inserted into the groove on the circular frame of the vertical frame through the vertical strut of the horizontal frame. Washer C is arranged between hexagon socket head cap screw C and the plug pin.

[0014] Optionally, fixed casters and swivel casters are installed on both sides below the horizontal frame.

[0015] Optionally, the fixed caster is fixedly connected to the horizontal frame by hexagon socket head cap screw A, and washer A and heavy-duty spring washer are arranged between the fixed caster and the horizontal frame. A swivel caster brake device is arranged on the swivel caster B.

[0016] Optionally, a conversion joint is installed horizontally on the square bottom frame of the horizontal frame. A pull rod is arranged on the conversion joint, and the trailer can be connected to the pull rod on the conversion joint to realize the movement of the engine reverse thrust assembly platform in the factory area.

[0017] Optionally, the conversion joint is connected to and detached from the square bottom frame of the horizontal vehicle frame through quick-release pins.

[0018] Optionally, casters are installed below the conversion joint. The casters are fixedly connected to the conversion joint through hexagon socket head cap screws F, and a washer E and a spring washer D are arranged between the casters and the conversion joint.

[0019] Optionally, the hydraulic cylinder is connected to a hydraulic station. The hydraulic station is placed on the horizontal vehicle frame. The hydraulic station further includes a button box, a gear pump, and an oil tank, which are used to provide power output to achieve the purpose of simple, convenient, and reliable flipping of the horizontal vehicle frame.

[0020] Optionally, counterweights are arranged on the horizontal vehicle frame.

[0021] Advantageous Effects

[0022] The hydraulic flipping engine thrust reverser assembly platform of the present application has the following remarkable advantages:

[0023] 1. Significantly improve the flipping efficiency by 83%; effectively shorten the overall assembly cycle by 40%;

[0024] 2. Adopt a double-locking method of a hydraulic steady flow valve and a mechanical locking pin, greatly improving the stability and safety during the assembly process;

[0025] 3. Enable the vehicle frame to have both assembly functions and storage and transportation functions, realizing a multi-functional integrated design;

[0026] 4. Adopt a double-acting hinge hydraulic cylinder to simulate a sliding rod mechanism, pulling the vertical vehicle frame from a horizontal position to a vertical position, making the platform operation simpler, faster, and more reliable. Description of the Drawings

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present disclosure. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0028] Figure 1 It is a three-dimensional model diagram of a hydraulic flipping engine thrust reverser assembly platform provided by an embodiment of the present application;

[0029] Figure 2 It is a three-dimensional model diagram of a horizontal vehicle frame provided by an embodiment of the present application;

[0030] Figure 3 It is a three-dimensional model diagram of a vertical vehicle frame provided by an embodiment of the present application;

[0031] Figure 4 It is a three-dimensional model diagram of a conversion joint provided in an embodiment of the present application;

[0032] Figure 5 is a schematic diagram of an engine thrust reverser assembly platform provided in an embodiment of the present application;

[0033] Figure 6 It is a cross-sectional view of a three-dimensional model of an oil-containing bearing provided in an embodiment of the present application;

[0034] Figure 7 It is a right view of a hydraulically flippable engine thrust reverser assembly platform provided in an embodiment of the present application;

[0035] Figure 8 It is a top view of a hydraulically flippable engine thrust reverser assembly platform provided in an embodiment of the present application;

[0036] Figure 9 It is a front view of a hydraulically flippable engine thrust reverser assembly platform provided in an embodiment of the present application;

[0037] Among them, 1-horizontal frame; 2-vertical frame; 3-hexagon socket screw A; 4-heavy spring washer; 5-washer A; 6-fixed caster; 7-handwheel A; 8-flat key A; 9-hexagon socket screw B; 10-washer B; 11-screw; 12-support block; 13-cylindrical pin; 14-handwheel B; 15-flat key B; 16-hexagon socket screw C; 17-washer C; 18-universal caster; 19-universal caster brake device; 20-support; 21-spring washer A; 22-hexagon socket screw D; 23 -Hexagonal thin nut; 24-spring washer B; 25-pin shaft; 26-bearing seat; 27-washer D; 28-spring washer C; 29-hexagon socket screw E; 30-rotating shaft; 31-latch pin; 32-hydraulic cylinder; 33-hydraulic station; 34-button box; 35-oil-containing bearing; 36-end cover; 37-hexagon socket screw F; 38-counterweight; 39-quick release latch; 40-conversion joint; 41-pull rod; 42-washer E; 43-spring washer D; 44-hexagon socket screw F; 45-castor DETAILED DESCRIPTION

[0038] The present application is further described in detail below in conjunction with the accompanying drawings and examples, but it should be noted that these implementation methods are not limitations of the present application, and equivalent changes or substitutions in functions, methods, or structures made by ordinary technicians in the field based on these implementation methods are all within the scope of protection of the present application.

[0039] In the description of the embodiments of the present application, it should be understood that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application.

[0040] In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present application, unless otherwise stated, the meaning of "a plurality" is two or more.

[0041] The terms "mounted", "connected", "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood through specific circumstances.

[0042] As Figures 1-9 shown, a hydraulic tilting engine thrust reverser assembly platform is provided, including:

[0043] A horizontal frame 1 and a vertical frame 2, the vertical frame 2 is installed on the horizontal frame 1 through a rotary bearing, and the vertical frame 2 is connected to the horizontal frame 1 through a hydraulic cylinder 32. The vertical frame 2 is driven by the power of the hydraulic cylinder 32 to rotate around the horizontal frame 1; a hydraulic flow stabilizer valve is provided on the hydraulic cylinder 32 to lock the position state of the vertical frame 2.

[0044] In some embodiments, the horizontal frame 1 is composed of a square bottom frame, two vertical columns on both sides, and two column support rods. The column support rods are respectively fixedly connected to the bottom frame and the vertical columns to form a triangle; the vertical frame 2 is composed of a circular frame, two vertical columns, and a cross column connecting the two vertical columns.

[0045] In some embodiments, two vertical struts of the vertical frame 2 are mounted on the square bottom frame of the horizontal frame 1 through rotary bearings. The vertical columns are in the same plane as the vertical struts, and the vertical columns are outside the vertical struts. One end of the hydraulic cylinder 32 is connected to the square bottom frame of the horizontal frame 1, and the other end is connected to the cross beam of the vertical frame 2. The vertical frame 2 is driven to rotate around the horizontal frame 1 by the power of the hydraulic cylinder 32.

[0046] In some embodiments, the rotary bearing includes a bearing seat 26, a washer D 27, a spring washer C 28, an inner hexagon screw E 29 and a rotary shaft 30. Two vertical struts of the vertical frame 2 are respectively mounted on the rotary shaft 30 in the middle of the bearing seat 26. The bearing seat 26 is fixed on the square bottom frame of the horizontal frame 1 through the inner hexagon screw E 29. A washer D 27 and a spring washer C 28 are arranged between the bearing seat 26 and the square bottom frame of the horizontal frame 1.

[0047] In some embodiments, the hydraulic cylinder 32 is arranged inside the support 20 and is fixedly installed on the support 20 through a hexagon thin nut 23 and a pin shaft 25. The support 20 is fixed on the square bottom frame of the horizontal frame 1 through an inner hexagon screw D 22. A spring washer A 21 is arranged between the inner hexagon screw D 22 and the square bottom frame of the horizontal frame 1. A spring washer B 24 is arranged between the hexagon thin nut 23 and the support 20.

[0048] In some embodiments, an oil-impregnated bearing 35 is arranged inside the bearing seat 26 for lubricating the rotation of the vertical frame 2 and the horizontal frame 1. End covers 36 are arranged at both ends of the bearing seat 26 for dust-proof sealing of the bearing seat 26. The end covers 36 are connected to the bearing seat 26 through inner hexagon screws F 37.

[0049] In some embodiments, a vertical mechanical locking pin is installed on the horizontal frame 1. The vertical mechanical locking pin includes: a handwheel A 7, a flat key A 8, an inner hexagon screw B 9, a washer B 10, a screw 11, a support block 12 and a cylindrical pin 13. The handwheel A 7 is connected to the inner hexagon screw B 9 through the flat key A 8, and the inner hexagon screw B 9 is rotated by rotating the handwheel A 7. The inner hexagon screw B 9 is fixedly connected to the support block 12, and the position of the support block 12 is fixed through the cylindrical pin 13. A washer B 10 is arranged between the inner hexagon screw B 9 and the support block 12.

[0050] In some embodiments, a horizontal mechanical locking pin for connecting the circular frame of the vertical frame 2 is installed on the vertical strut of the horizontal frame 1. The horizontal mechanical locking pin includes a plug pin 31, a handwheel B14, a flat key B15, an internal hexagon screw C16, and a washer C17. The handwheel B14 is connected to the internal hexagon screw C16 through the flat key B15, and the internal hexagon screw C16 is rotated by rotating the handwheel B14. The internal hexagon screw C16 is fixedly connected to the plug pin 31, and the plug pin 31 is inserted into the groove on the circular frame of the vertical frame 2 through the vertical strut of the horizontal frame 1. A washer C17 is arranged between the internal hexagon screw C16 and the plug pin 31.

[0051] In some embodiments, directional casters 6 and swivel casters 18 are installed on both sides below the horizontal frame 1.

[0052] In some embodiments, the directional caster 6 is fixedly connected to the horizontal frame 1 through an internal hexagon screw A 3, and a washer A 5 and a heavy spring washer 4 are arranged between the directional caster 6 and the horizontal frame 1. A swivel caster brake device 19 is arranged on the swivel caster B18.

[0053] Optionally, a conversion joint 40 is installed horizontally on the square bottom frame of the horizontal frame 1. A pull rod 41 is arranged on the conversion joint 40. The trailer can be connected to the pull rod 41 on the conversion joint 40 to move the engine reverse thrust assembly platform within the factory area.

[0054] In some embodiments, the conversion joint 40 is connected and disassembled with the square bottom frame of the horizontal frame 1 through a quick-release pin 39.

[0055] In some embodiments, a caster 45 is installed below the conversion joint 40. The caster 45 is fixedly connected to the conversion joint 40 through an internal hexagon screw F44, and a washer E 42 and a spring washer D 43 are arranged between the caster 45 and the conversion joint 40.

[0056] In some embodiments, the hydraulic cylinder 32 is connected to the hydraulic station 33. The hydraulic station 33 is placed on the horizontal frame 1. The hydraulic station 33 further includes a button box 34, a gear pump, and an oil tank, which are used to provide power output to achieve the purpose of simple, convenient, and reliable flipping of the horizontal frame operation.

[0057] In some embodiments, a counterweight 38 is arranged on the horizontal frame 1.

[0058] It should be noted that the vertical frame 2 is bent and welded by profiles such as angle steel and rectangular steel, and mounting holes are arranged on it for connecting the installation edge of the reverse thrust device and the hinge of the hydraulic cylinder 32. The horizontal frame 1 is welded by rectangular tube profiles, and a storage box for storing the hydraulic station is arranged on it, which is the main load-bearing member of the whole device.

[0059] The hydraulic tilting engine thrust reverser assembly platform of the present application has the following remarkable advantages:

[0060] 1. Significantly improve the tilting efficiency by 83%; effectively shorten the overall assembly cycle by 40%;

[0061] 2. Adopt a double locking method of a hydraulic steady flow valve and a mechanical locking pin to greatly improve the stability and safety during the assembly process;

[0062] 3. Make the vehicle frame have both assembly function and storage and transportation functions, realizing a multi-functional integrated design;

[0063] 4. Adopt a double-acting hinge hydraulic cylinder to simulate a sliding rod mechanism, pull the vertical vehicle frame from the horizontal position to the vertical position, and make the platform operation more convenient, fast and reliable.

[0064] The above are only the preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. The above is only the preferred implementation manner of the present application. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present application, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present application.

Claims

1. A hydraulic tilting assembly platform for an engine thrust reverser, characterized in that, Comprising: A horizontal frame and a vertical frame, the vertical frame is installed on the horizontal frame through a rotary bearing, the vertical frame is connected to the horizontal frame through a hydraulic cylinder, and the vertical frame is driven to rotate around the horizontal frame by the power of the hydraulic cylinder; a hydraulic steady flow valve is arranged on the hydraulic cylinder to lock the position state of the vertical frame.

2. The assembly platform of a hydraulic tilting engine thrust reverser device according to claim 1, characterized in that, The horizontal frame is composed of a square bottom frame, two vertical columns on both sides and two column support rods. The column support rods are respectively fixedly connected to the bottom frame and the vertical columns to form a triangle; the vertical frame is composed of a circular frame, two vertical columns and a cross column connecting the two vertical columns.

3. The assembly platform of a hydraulic tilting engine thrust reverser device according to claim 2, characterized in that The two vertical columns of the vertical frame are installed on the square bottom frame of the horizontal frame through rotary bearings. The vertical column and the vertical pillar are in the same plane, and the vertical column is outside the vertical pillar; one end of the hydraulic cylinder is connected to the square bottom frame of the horizontal frame, and the other end is connected to the cross column of the vertical frame. The vertical frame is driven to rotate around the horizontal frame by the power of the hydraulic cylinder.

4. A hydraulic tilting engine thrust reverser assembly platform according to claim 3, characterized in that, The rotary bearing includes a bearing seat, washer D, spring washer C, hexagon socket head cap screw E and a rotating shaft. The two vertical columns of the vertical frame are respectively installed on the rotating shaft in the middle of the bearing seat; the bearing seat is fixed on the square bottom frame of the horizontal frame through hexagon socket head cap screw E, and a washer D and a spring washer C are arranged between the bearing seat and the square bottom frame of the horizontal frame.

5. The assembly platform of a hydraulic flip engine thrust reverser device according to claim 3, characterized in that, The hydraulic cylinder is arranged inside the support, and is fixedly installed on the support through a thin hexagon nut and a pin shaft. The support is fixed on the square bottom frame of the horizontal frame through hexagon socket head cap screw D; a spring washer A is arranged between the hexagon socket head cap screw D and the square bottom frame of the horizontal frame, and a spring washer B is arranged between the thin hexagon nut and the support.

6. The assembly platform of a hydraulic tilting engine thrust reverser device according to claim 4, characterized in that, An oil-impregnated bearing is arranged inside the bearing seat for the rotational lubrication of the vertical frame and the horizontal frame. End covers are arranged at both ends of the bearing seat for dust sealing of the bearing seat. The end covers are connected to the bearing seat through hexagon socket head cap screw F.

7. The assembly platform of a hydraulic tilting engine thrust reverser device according to claim 3, characterized in that A vertical mechanical locking pin is installed on the horizontal frame. The vertical mechanical locking pin includes: handwheel A, flat key A, hexagon socket head cap screw B, washer B, screw, support block and cylindrical pin. Handwheel A is connected to hexagon socket head cap screw B through flat key A, and hexagon socket head cap screw B is rotated by rotating handwheel A; hexagon socket head cap screw B is fixedly connected to the support block, and the position of the support block is fixed through a cylindrical pin; a washer B is arranged between hexagon socket head cap screw B and the support block.

8. The assembly platform of a hydraulic flip engine thrust reverser device according to claim 3, characterized in that, A horizontal mechanical locking pin connecting the circular frame of the vertical frame is installed on the vertical column of the horizontal frame. The horizontal mechanical locking pin includes a plug pin, handwheel B, flat key B, hexagon socket head cap screw C and washer C; handwheel B is connected to hexagon socket head cap screw C through flat key B, and hexagon socket head cap screw C is rotated by rotating handwheel B; hexagon socket head cap screw C is fixedly connected to the plug pin, and the plug pin is inserted into the groove on the circular frame of the vertical frame through the vertical column of the horizontal frame; a washer C is arranged between hexagon socket head cap screw C and the plug pin.

9. The assembly platform of a hydraulic tilting engine thrust reverser device according to claim 1, characterized in that Fixed wheels and swivel wheels are installed on both sides below the horizontal frame; the fixed wheels are fixedly connected to the horizontal frame by hexagon socket head cap screws A, and a washer A and a heavy spring washer are arranged between the fixed wheels and the horizontal frame; a swivel wheel brake device is arranged on the swivel wheel B.

10. A hydraulic tilting engine thrust reverser assembly platform according to claim 3, characterized in that, A conversion joint is horizontally installed on the square bottom frame of the horizontal frame, a pull rod is arranged on the conversion joint, and the conversion joint is connected and disassembled with the square bottom frame of the horizontal frame through a quick-release pin; a caster is installed below the conversion joint, the caster is fixedly connected to the conversion joint by hexagon socket head cap screws F, and a washer E and a spring washer D are arranged between the caster and the conversion joint.

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