Reverse thrust actuator maintenance device

Abstract

The utility model provides a reverse thrust actuator maintenance device which comprises a connecting piece, a round block is fixed to the front end of the connecting piece, four sets of positioning assemblies are arranged on the surface of the round block at equal intervals, each positioning assembly comprises an inserting column, the inserting columns penetrate out of the bottom of the round block in a sliding mode, inserting heads are fixed to the bottoms of the inserting columns, and an adjusting assembly is arranged at the upper end of the round block. The adjusting assembly comprises an arc plate, the arc plate is provided with four sets of piston rods, the circle centers of the four sets of piston rods are located at the same point position, the piston rods at the circle center of a lining of the reverse thrust actuator penetrate out through second inserting holes, the piston rods are wrapped with anti-abrasion sleeves, it is guaranteed that the piston rods are not in contact with the anti-abrasion sleeves, and therefore the piston rods are prevented from being damaged. The four inserting columns and the inserting heads at the bottom of the round block are connected with the four hole positions of the bushing machined in advance in an inserted mode, a tool is connected to the first inserting hole in the outer side to drive the connecting piece to rotate, the bushing is disassembled, and the problems that in the prior art, no external stress point exists, and disassembling and assembling cannot be conducted are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of maintenance devices, in particular to a reverse thrust actuator maintenance device. Background Technique

[0002] A reverse thrust actuator is a device that generates thrust in the opposite direction to the flight direction of an aircraft. Its function is exactly opposite to that when the engine is operating normally. The tightening torque of the bushing of the reverse thrust actuator is relatively large. It is a screwed-in type and is completely inside the cylinder body of the actuator after assembly, without an external force application point, making it impossible to disassemble and assemble, and it is impossible to apply a fixed force during assembly. In the prior art, when disassembling the bushing of the reverse thrust actuator, due to the lack of a force application point, it is impossible to use tools to drive the bushing to rotate, resulting in inconvenient disassembly. Content of the Utility Model

[0003] Aiming at the deficiencies existing in the prior art, the purpose of the utility model is to provide a reverse thrust actuator maintenance device to solve the problems put forward in the above background technique. The structure of the utility model is novel. Through the four insertion posts and plugs at the bottom of the round block being inserted into the four holes of the pre-processed bushing, and connecting a tool from the first insertion hole on the outside to drive the connecting piece to rotate, the bushing is disassembled, solving the problems in the prior art of having no external force application point and being unable to disassemble and assemble.

[0004] To achieve the above purpose, the utility model is realized through the following technical solutions: A reverse thrust actuator maintenance device includes a connecting piece, a round block is fixed at the front end of the connecting piece, four groups of positioning components are equidistantly arranged on the surface of the round block, each positioning component includes an insertion post, the insertion post slides out of the bottom of the round block, and a plug is fixed at the bottom of the insertion post. An adjusting component is arranged at the upper end of the round block. The adjusting component includes an arc plate. There are four arc plates with the same center point. An arc block is slidably inserted between adjacent arc plates, and a connecting rod is fixed at the bottom of the arc block. The connecting rod is fixedly connected to the top of the insertion post. A second insertion hole is opened on the surface at the center of the round block, and a first insertion hole is opened at the tail end of the connecting piece. The second insertion hole and the first insertion hole are on the same straight line.

[0005] Furthermore, the positioning component further includes a moving groove. The round block is provided with a moving groove corresponding to the position where the insertion post penetrates, and a moving block is slidably connected inside the moving groove. The insertion post is slidably inserted at the bottom of the moving block, and the connecting rod is slidably inserted at the top of the moving block.

[0006] Furthermore, the adjusting component further includes a ring. Rings are arranged at the tops of the arc plates and the arc blocks. A slide rail is fixed on the top surface of the arc plate, and the ring is slidably clamped inside the slide rail.

[0007] Further, an adjusting bolt is rotatably installed at the top of the connecting piece through a bearing, and a clamping plate is threadedly sleeved on the surface of the adjusting bolt, and the front end of the clamping plate is slidably buckled on the ring.

[0008] Further, a fixing bolt is threadedly inserted on the top surface of the clamping plate located on the ring, and the bottom of the fixing bolt is in pressing contact with the ring.

[0009] Further, the outer edges of the two rings are rotatably connected by a rotating rod through a rotating shaft, and the other end of the rotating rod is rotatably connected to the top of the arc-shaped block through a rotating shaft.

[0010] Further, convex strips are fixed on both sides of the arc-shaped block, slots are provided at the positions corresponding to the convex strips on the arc plate, and the arc-shaped block slides between the two arc plates along the convex strips.

[0011] Further, an anti-wear sleeve is fixed inside the second jack.

[0012] Advantages of the present utility model:

[0013] 1. The piston rod at the center of the bushing of the reverse thrust actuator of the present utility model passes through the second jack, and the anti-wear sleeve is wrapped around the piston rod and ensures not to contact the piston rod to avoid damage to the piston rod.

[0014] 2. The present utility model slides the arc-shaped block along the side of the arc plate through the rotating rod, thereby adjusting the positions of the connecting rod, the moving block, the inserting column and the plug at the bottom of the arc-shaped block, finely adjusting the insertion point of the plug. The movement of the moving block along the moving groove has directivity, which is convenient for synchronously and equidistantly adjusting the positions of the four inserting columns. The movement of the arc-shaped block is through the convex strips on both sides sliding along the side of the arc plate to maintain stability. After determining the position, the position of the ring is locked by the fixing bolt to prevent further rotation.

[0015] 3. The present utility model drives the ring, the arc plate and the arc-shaped block to descend through the threaded cooperation between the clamping plate and the adjusting bolt. At the same time, the connecting rod and the inserting column pass through the inside of the moving block, changing the protruding length of the plug to adapt to different use environments.

[0016] 4. Compared with the prior art, the present utility model disassembles the bushing by inserting the four inserting columns and plugs at the bottom of the round block into the four holes of the pre-processed bushing and connecting a tool from the first jack on the outside to drive the connecting piece to rotate. It solves the problem that there is no external force point in the prior art and it is impossible to disassemble and assemble. Description of the drawings

[0017] Figure 1 is a schematic diagram of the overall structure of a reverse thrust actuator repair device of the present utility model;

[0018] Figure 2 is a schematic diagram of the bottom structure of the round block of a reverse thrust actuator repair device of the present utility model;

[0019] Figure 3 Schematic structural diagram of the adjustment component of a thrust reverser actuator repair device of the present utility model;

[0020] Figure 4 Schematic connection diagram of the arc block and the arc plate of a thrust reverser actuator repair device of the present utility model.

[0021] In the figure: 1. Connecting piece; 11. First jack; 12. Round block; 13. Second jack; 14. Anti-wear sleeve; 2. Positioning component; 21. Moving groove; 22. Moving block; 23. Plug post; 24. Plug; 3. Adjustment component; 31. Adjusting bolt; 32. Buckle plate; 33. Fixing bolt; 34. Ring; 35. Arc plate; 36. Slide rail; 37. Arc block; 38. Connecting rod; 39. Rotating rod; 310. Convex strip. Specific embodiments

[0022] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] Please refer to Figures 1 to 4 , the present utility model provides a technical solution: a thrust reverser actuator repair device, including a connecting piece 1, characterized in that: a round block 12 is fixed at the front end of the connecting piece 1, and four groups of positioning components 2 are equidistantly arranged on the surface of the round block 12. The positioning component 2 includes a plug post 23, the plug post 23 slides out of the bottom of the round block 12, and a plug 24 is fixed at the bottom of the plug post 23. An adjustment component 3 is arranged at the upper end of the round block 12. The adjustment component 3 includes an arc plate 35. There are four arc plates 35 with the same center point. An arc block 37 is slidably inserted between adjacent arc plates 35, and a connecting rod 38 is fixed at the bottom of the arc block 37. The connecting rod 38 is fixedly connected to the top of the plug post 23. A second jack 13 is opened on the surface at the center of the round block 12, and a first jack 11 is opened at the tail end of the connecting piece 1. The second jack 13 and the first jack 11 are on the same straight line. This tooling is used for the disassembly and assembly of the bushing of the thrust reverser actuator E20000 of Boeing aircraft. The four plugs 24 are inserted into the 4 process holes of the bushing. The process holes can be pre-opened before installation and used in conjunction with this device. Then, by turning the tooling, the disassembly or assembly of the bushing can be realized, as well as the constant force during assembly. The whole tooling has been appropriately heat-treated to ensure its necessary strength. Then, a special wrench is inserted into the position of the first jack 11 to turn the tooling.

[0024] In this embodiment, the positioning component 2 further includes a moving groove 21. The circular block 12 is provided with a moving groove 21 at the position corresponding to the insertion of the insertion post 23. A moving block 22 is slidably connected inside the moving groove 21. The insertion post 23 is slidably inserted at the bottom of the moving block 22, and the connecting rod 38 is slidably inserted at the top of the moving block 22. The adjusting component 3 further includes a circular ring 34. The circular ring 34 is provided at the tops of the arc plate 35 and the arc block 37. A slide rail 36 is fixed on the top surface of the arc plate 35, and the circular ring 34 is slidably clamped inside the slide rail 36. The top of the connecting piece 1 is rotatably installed with an adjusting bolt 31 through a bearing, and a clamping plate 32 is threadedly sleeved on the surface of the adjusting bolt 31. The front end of the clamping plate 32 is slidably buckled on the circular ring 34. By rotating the adjusting bolt 31, the clamping plate 32 is threadedly engaged with the adjusting bolt 31 to drive the circular ring 34, the arc plate 35, and the arc block 37 to descend. At the same time, the connecting rod 38 and the insertion post 23 penetrate out of the inside of the moving block 22, changing the penetration length of the plug 24 to suit different usage environments.

[0025] In this embodiment, a fixing bolt 33 is threadedly inserted on the top surface of the circular ring 34 where the clamping plate 32 is located, and the bottom of the fixing bolt 33 is in pressing contact with the circular ring 34. The outer edges of the two circular rings 34 are rotatably connected by a rotating rod 39, and the other end of the rotating rod 39 is rotatably connected to the top of the arc block 37 through a rotating shaft. Convex strips 310 are fixed on both sides of the arc block 37, and slots are provided on the arc plate 35 corresponding to the positions of the convex strips 310. The arc block 37 slides between the two arc plates 35 through the convex strips 310. Unlock the fixing bolt 33, and then rotate the circular ring 34 along the clamping plate 32 and the slide rail 36. The four groups of rotating rods 39 simultaneously approach or move away from the arc block 37, and the arc block 37 is slid along the side of the arc plate 35 through the rotating rod 39, so as to adjust the positions of the connecting rod 38, the moving block 22, the insertion post 23, and the plug 24 at the bottom of the arc block 37, and finely adjust the insertion point of the plug 24. The sliding of the moving block 22 along the moving groove 21 has a guiding property, which is convenient for the synchronous and equidistant adjustment of the positions of the four groups of insertion posts 23. The movement of the arc block 37 slides along the side of the arc plate 35 through the convex strips 310 on both sides to maintain stability. After determining the position, lock the position of the circular ring 34 through the fixing bolt 33 to prevent it from further rotating.

[0026] In this embodiment, an anti-wear sleeve 14 is fixed inside the second jack 13. The piston rod at the center of the bushing of the reverse actuator passes through the second jack 13. The anti-wear sleeve 14 wraps around the piston rod and ensures not to contact the piston rod to avoid damage to the piston rod.

[0027] When using the device, insert the four groups of plugs 24 into the four process holes of the bushing, and then turn the tooling to achieve the disassembly or assembly of the bushing, as well as the constant force during assembly. The overall tooling has been appropriately heat-treated to ensure its necessary strength. Then, insert a special wrench into the position of the first jack 11 to turn the tooling, turn the adjusting bolt 31, and the buckle 32 is threadedly engaged with the adjusting bolt 31 to drive the ring 34, the arc plate 35, and the arc block 37 to descend. At the same time, the connecting rod 38 and the plug post 23 pass through the inside of the moving block 22 to change the protruding length of the plug 24 to suit different usage environments. Unlock the fixing bolt 33, and then rotate the ring 34 along the buckle 32 and the slide rail 36. The four groups of rotating rods 39 simultaneously approach or move away from the arc block 37, and the arc block 37 is slid along the side of the arc plate 35 through the rotating rod 39, so as to adjust the positions of the connecting rod 38, the moving block 22, the plug post 23, and the plug 24 at the bottom of the arc block 37, and finely adjust the insertion points of the plug 24. The sliding of the moving block 22 along the moving groove 21 has directivity, which is convenient for the synchronous and equidistant adjustment of the positions of the four groups of plug posts 23. The movement of the arc block 37 slides along the side of the arc plate 35 through the convex strips 310 on both sides to maintain stability. After determining the position, lock the position of the ring 34 through the fixing bolt 33 to prevent it from further rotating.

[0028] The above shows and describes the basic principles, main features, and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic features of the present invention, the present invention can be implemented in other specific forms.

[0029] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A reverse thrust actuator repair device, comprising a connecting member (1), characterized in that: A round block (12) is fixed at the front end of the connecting piece (1). Four groups of positioning components (2) are equidistantly arranged on the surface of the round block (12). The positioning component (2) includes an insertion post (23). The insertion post (23) slides out of the bottom of the round block (12), and a plug (24) is fixed at the bottom of the insertion post (23). An adjusting component (3) is arranged at the upper end of the round block (12). The adjusting component (3) includes an arc plate (35). Four arc plates (35) have the same center point. An arc block (37) is slidably inserted between adjacent arc plates (35), and a connecting rod (38) is fixed at the bottom of the arc block (37). The connecting rod (38) is fixedly connected to the top of the insertion post (23). A second insertion hole (13) is formed on the surface at the center of the round block (12). A first insertion hole (11) is formed at the tail end of the connecting piece (1). The second insertion hole (13) and the first insertion hole (11) are on the same straight line.

2. The repair device for a reverse thrust actuator according to claim 1, characterized in that: The positioning component (2) further includes a moving groove (21). The round block (12) is provided with a moving groove (21) corresponding to the position where the insertion post (23) penetrates. A moving block (22) is slidably connected inside the moving groove (21). The insertion post (23) is slidably inserted at the bottom of the moving block (22), and the connecting rod (38) is slidably inserted at the top of the moving block (22).

3. The repair device for a reverse thrust actuator according to claim 1, characterized in that: The adjusting component (3) further includes a ring (34). The ring (34) is arranged at the tops of the arc plate (35) and the arc block (37). A slide rail (36) is fixed on the top surface of the arc plate (35), and the ring (34) is slidably clamped inside the slide rail (36).

4. The repair device for a reverse thrust actuator according to claim 3, characterized in that: An adjusting bolt (31) is rotatably installed at the top of the connecting piece (1) through a bearing. A clamping plate (32) is threadedly sleeved on the surface of the adjusting bolt (31). The front end of the clamping plate (32) is slidably buckled on the ring (34).

5. The repair device for a reverse thruster actuator according to claim 4, characterized in that: A fixing bolt (33) is threadedly inserted on the top surface of the clamping plate (32) located on the top of the ring (34), and the bottom of the fixing bolt (33) is in pressing contact with the ring (34).

6. The repair device for a reverse thrust actuator according to claim 5, characterized in that: The outer edges of the two rings (34) are rotatably connected by a rotating rod (39) through a rotating shaft, and the other end of the rotating rod (39) is rotatably connected to the top of the arc block (37) through a rotating shaft.

7. The repair device for a reverse thrust actuator according to claim 6, characterized in that: Convex strips (310) are fixed on both sides of the arc block (37). Slots are formed on the arc plate (35) corresponding to the convex strips (310). The arc block (37) slides along between the two arc plates (35) through the convex strips (310).

8. The repair device for a reverse thrust actuator according to claim 1, characterized in that: An anti-wear sleeve (14) is fixed inside the second insertion hole (13).

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