Electric rocking-switching interface device of aero-engine

Abstract

The invention belongs to the technical field of aero-engines, and particularly relates to an aero-engine electric rocking-switching interface device which comprises a support, a rocker arm, a rocker arm and a rocker arm. A screw of which the extension length is adjusted by rotating a nut is arranged on the mounting edge at one end; one end of the cantilever is in sliding connection with the guide rail of the support through a guide rail screw, and the other end of the cantilever is provided with a motor adjusting seat; a DKC-1B type stepping motor is selected to be integrated with a speed reducer, and the motor is fixed to a motor adjusting base through a motor fastening screw; the transmission system comprises a small chain wheel, a large chain wheel, a chain and a chain tensioning mechanism which are driven by a motor module, and the large chain wheel is fixed to a coupler through a screw; the chain is meshed with the small chain wheel and the large chain wheel and is tensioned through the chain tensioning mechanism, and the controller is internally provided with a rechargeable storage battery and is connected with the control handle through a cable to control rotation, speed regulation and zero returning of the motor.

Description

Technical Field

[0001] This application belongs to the field of aero-engine technology, and specifically relates to an aero-engine electric rocking interface device. Background Technology

[0002] In borehole probing operations for a certain type of gas turbine, the high-pressure rotor has a large rotational torque and requires slow, uniform, and stable rotation, making manual rotation difficult to control. Furthermore, due to limitations in the gas turbine installation and test bench, the area near the rotation hole is confined, making manual rotation extremely labor-intensive and requiring three people to work in shifts, placing high demands on manpower. This electric rotation device can meet the required torque for gas turbine rotation, with adjustable speed, saving manpower. Moreover, the person controlling the rotation and the borehole probing operation can be the same person, saving labor costs and reducing borehole probing risks caused by communication breakdowns between the two personnel.

[0003] Previous rotary fixtures were relatively simple and integrated in design. However, during use, due to problems such as unreliable fixing and insufficient hardness of the load-bearing parts, they would fall off multiple times and the load-bearing edges would be damaged.

[0004] Due to the urgency of the model development task, the rotating fixture was initially improved by changing the connection between the rotating tool and the coupling from a single pin to a multi-pin connection. The improved rotating fixture increased the circumferential driving force bearing area and reduced the number of times it would detach during the rotating process. Summary of the Invention

[0005] To address the aforementioned problems, this application provides an electric rocking interface device for an aircraft engine, comprising:

[0006] The bracket is fixed to the engine stand at both ends with screws and has a guide rail in the middle; one end of the mounting edge is equipped with a screw rod whose extension length can be adjusted by rotating a nut.

[0007] The cantilever has one end slidably connected to the guide rail of the bracket via guide rail screws, and the other end is equipped with a motor adjustment seat. The screw is hinged to the cantilever, driving the cantilever to move along the guide rail.

[0008] The motor is a DKC-1B type stepper motor integrated with a reducer, and is fixed to the motor adjustment base by motor fastening screws.

[0009] The transmission system includes a small sprocket, a large sprocket, a chain, and a chain tensioning mechanism, all driven by a motor module. The large sprocket is fixed to a coupling by screws; the chain engages with both the small and large sprockets and is tensioned by the chain tensioning mechanism.

[0010] The controller, with a built-in rechargeable battery, is connected to a control handle via a cable to control the motor's rotation, speed adjustment, and zeroing.

[0011] Preferably, the bracket has two mounting edges on the same side at both ends, each with two screw holes, and is fixed to the frame by four screws; the screw is hinged to the mounting base, and the mounting base is fixed on the cantilever.

[0012] Preferably, the cantilever includes an upper cantilever and a lower cantilever, and an assembly space for assembling the motor is formed between the upper and lower cantilever. The motor adjustment seat includes two lugs that are respectively fixed to both sides of the motor by motor fastening screws. The lugs have mounting holes along the motor axis, and the fastening screws pass through the mounting holes and connect to threaded holes on the end face of the upper or lower cantilever.

[0013] Preferably, the motor adjustment seat has threaded holes on both sides of the mounting hole, and the threaded holes are threaded to connect motor adjustment screws, which abut against the cantilever end face to adjust the position of the motor.

[0014] Preferably, the bottom of the chain tensioning mechanism is fixed to the frame by four screws, the sprocket of the chain tensioning mechanism is fixed to the telescopic support by a shaft and can rotate around the shaft, the telescopic support is supported by a spring at the bottom and the chain is supported at the top of the sprocket.

[0015] Preferably, the controller has three interfaces: a control handle cable interface, a motor cable interface for connecting to the motor, and a charging interface.

[0016] Preferably, the controller has 6 buttons: power switch, rotation lock switch, speed control knob, forward button, reverse button, and zeroing button. The controller has a display screen on the front and a built-in rechargeable battery.

[0017] This application aims to avoid the safety risks of personnel turning in confined spaces and reduce the risk of accidental turning due to poor communication.

[0018] Reducing the number of operators by one saves on labor costs.

[0019] The rotation is smooth, and the borehole view is clear, which is helpful for detecting faults.

[0020] Precise rotation allows for quick location of defects, improving troubleshooting efficiency.

[0021] The sprocket wheelbase can be adjusted by the cantilever position and chain tensioning mechanism, making it more adaptable to different engines or test benches. Attached Figure Description

[0022] Figure 1 It is the overall tooling structure drawing;

[0023] Figure 2 This is a diagram of a cantilever structure;

[0024] Figure 3 This is a diagram showing the motor installation;

[0025] Figure 4 This is a schematic diagram of the motor mounting bracket;

[0026] Figure 5 This is a schematic diagram of the transmission system.

[0027] Figure 6 Schematic diagram of chain tensioning mechanism.

[0028] Figure 7 Controller connection diagram. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions in the embodiments of this application will be described in more detail below with reference to the accompanying drawings. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, not all, of the embodiments of this application. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application. The embodiments of this application will be described in detail below with reference to the accompanying drawings. Figures 1-7 As shown, this application provides an electric rocking interface device for an aircraft engine, comprising:

[0030] The bracket 1 is fixed to the engine stand with screws at both ends and has a guide rail in the middle; a screw 11 with an adjustable extension length by rotating a nut is provided on one end of the mounting edge.

[0031] The cantilever 2 has one end slidably connected to the guide rail of the bracket 1 via the guide rail screw 24, and the other end is provided with a motor adjustment seat 25. The screw 11 is hinged to the cantilever 2, driving the cantilever 2 to move along the guide rail.

[0032] Motor 3 is a DKC-1B type stepper motor integrated with a reducer, and is fixed to the motor adjustment seat 25 by motor fastening screws 22.

[0033] The transmission system includes a small sprocket 41, a large sprocket 42, a chain 43, and a chain tensioning mechanism 44, all driven by a motor module 3. The large sprocket 42 is fixed to the coupling 6 by screws. The chain engages with the small sprocket 41 and the large sprocket 42 and is tensioned by the chain tensioning mechanism 44.

[0034] The controller 5 has a built-in rechargeable battery and is connected to the control handle 51 via a cable to control the motor rotation, speed adjustment, and zeroing.

[0035] Preferably, the bracket 1 has two mounting edges on the same side at both ends, each with two screw holes, and is fixed to the frame by four screws; the screw 11 is hinged to the mounting base 121, and the mounting base 121 is fixed on the cantilever 2.

[0036] Preferably, the cantilever 2 includes an upper cantilever and a lower cantilever, and an assembly space for assembling the motor 3 is formed between the upper and lower cantilever. The motor adjustment seat 25 includes two lugs that are fixed to both sides of the motor 3 by motor fastening screws 22. The lugs have mounting holes along the axial direction of the motor 3. The fastening screws 21 pass through the mounting holes and connect to the threaded holes on the end faces of the upper or lower cantilever.

[0037] Preferably, the motor adjustment base 25 has threaded holes on both sides of the mounting hole, and the threaded holes are threadedly connected to the motor adjustment screw 23. The motor adjustment screw 23 abuts against the end face of the cantilever 2 to adjust the position of the motor 3.

[0038] Preferably, the bottom of the chain tensioning mechanism 44 is fixed to the frame by four screws, the sprocket 47 of the chain tensioning mechanism 44 is fixed to the telescopic support 45 by a shaft and can rotate around the shaft, the telescopic support 45 is supported by a spring 46 at the bottom, and the upper end of the sprocket 47 supports the chain 43.

[0039] Preferably, the controller 5 is provided with three interfaces, namely, the control handle 51 cable interface, the motor cable interface connected to the motor 3, and the charging interface.

[0040] Preferably, the controller 5 has 6 buttons: a power switch, a rotation lock switch, a speed control knob, a forward rotation button, a reverse rotation button, and a zeroing button. The controller 5 has a display screen on the front and a built-in rechargeable battery.

[0041] This application aims to avoid the safety risks of personnel turning in confined spaces and reduce the risk of accidental turning due to poor communication.

[0042] Reducing the number of operators by one saves on labor costs.

[0043] The rotation is smooth, and the borehole view is clear, which is helpful for detecting faults.

[0044] Precise rotation allows for quick location of defects, improving troubleshooting efficiency.

[0045] The sprocket wheelbase can be adjusted by the cantilever position and chain tensioning mechanism, making it more adaptable to different engines or test benches.

[0046] Principle Explanation

[0047] The device is controlled by a controller to rotate the motor, accelerate and decelerate the small sprocket, and drive the large sprocket to rotate through the chain and chain tensioning mechanism, which in turn drives the high-pressure rotor of the engine to rotate.

[0048] IV. Motion Relationship

[0049] a) The screw 11 can rotate around the pin inside the mounting base 12. After loosening the nut, the screw 11 disengages from the bracket 1. Loosening the guide rail screw 24 allows the cantilever 2 to be adjusted significantly along the guide rail of the bracket 11. Once it reaches a position near the designated location, the screw 11 and the cantilever 2 can be aligned perpendicularly. Figure 4 By rotating the nut, the height of the screw 11 can be finely adjusted, thereby adjusting the position of the cantilever 2. Finally, the guide rail screw 24 is tightened to fix the cantilever 2.

[0050] b) The large sprocket 42 is divided into two parts along its diameter, each fixed to the coupling 6 by two screws. It is concentric with the coupling and rotates in the same direction as the coupling.

[0051] c) Adjusting the parallel position of the motor adapter shaft 32 and coupling 6. Place the digital level on the level calibration seat 31 on the coupling 6 and the motor respectively, measure the angle difference, and turn the four motor adjusting screws 23 to adjust the adapter shaft 32 and coupling 6 to be parallel, ensuring that the large and small sprockets rotate in the same plane respectively.

[0052] d) The sprocket 47 in the chain tensioning mechanism 44 is fixed in the telescopic support 45 by a pin. The upper end of the sprocket 47 supports the chain 43, and the chain 43 drives the sprocket 47 to rotate around the axis. The telescopic support 45 is supported by a spring, and the limiting pins 48 on both sides restrict the telescopic support 45 to move up and down only along the side wall groove of the support 49.

[0053] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. An aircraft engine electrically driven turning interface device, characterized in that, The utility model relates to a kind of motorized jib crane, including: Support (1), both ends are fixed to engine platform by screw, middle part has guide rail;One end installation side is equipped with screw rod (11) of the length of extension is adjusted by rotating nut; Cantilever (2), one end is slidably connected with the guide rail of support (1) by guide rail screw (24), the other end is equipped with motor adjusting seat (25), screw rod (11) is hinged with cantilever (2), drives cantilever (2) to move along guide rail; Motor (3), DKC-1B type stepper motor is selected and integrated with speed reducer, is fixed in motor adjusting seat (25) by motor fastening screw (22); Transmission system contains small sprocket (41), large sprocket (42), chain (43) and chain tensioning mechanism (44) driven by motor module (3), large sprocket (42) is fixed on shaft coupling (6) by screw;Chain is engaged with small sprocket (41) and large sprocket (42), and is tensioned by chain tensioning mechanism (44), Controller (5), built-in rechargeable battery, control handle (51) is connected by cable, control motor rotation, speed regulation and zero.

2. The aircraft engine electric swash plate interface device of claim 1, wherein, The same side of both ends of the support (1) is respectively equipped with 2 installation sides, each contains 2 screw holes, and is fixed on the platform by 4 screws;Screw rod (11) is hingedly connected with mounting seat (121), and mounting seat (121) is fixed on cantilever (2).

3. The aircraft engine electric swash plate interface apparatus of claim 1, wherein, The cantilever (2) includes upper cantilever and lower cantilever, and an assembly space for assembling the motor (3) is formed between the upper cantilever and the lower cantilever, and the motor adjusting seat (25) includes two lugs fixed on both sides of the motor (3) by motor fastening screws (22), the lugs have mounting holes in the axial direction of the motor (3), and the fastening screws (21) are connected to threaded holes in the end faces of the upper cantilever or the lower cantilever through the mounting holes.

4. The aircraft engine electric swash plate interface apparatus of claim 3, wherein, The motor adjusting seat (25) has threaded holes on both sides of the mounting holes, the threaded holes are threadedly connected with motor adjusting screws (23), and the motor adjusting screws (23) abut against the end faces of the cantilever (2) to adjust the position of the motor (3).

5. The aircraft engine electric swash plate interface apparatus of claim 1, wherein, The chain tensioning mechanism (44) is fixed on the platform by 4 screws at the bottom, the sprocket (47) of the chain tensioning mechanism (44) is fixed on the telescopic support seat (45) by a shaft and can rotate around the shaft, the telescopic support seat (45) is supported by the spring (46) at the bottom, and the sprocket (47) supports the chain (43) at the upper end.

6. The aircraft engine electric swash plate interface device of claim 1, wherein, The controller (5) is provided with three interfaces, which are, in sequence, a cable interface of the control handle (51), a motor cable interface connected with the motor (3) and a charging interface.

7. The aircraft engine electric swash plate interface apparatus of claim 1, wherein, The controller (5) is provided with six keys, which are, in sequence, a power switch, a rotation direction locking switch, a speed regulation knob, a forward rotation button, a reverse rotation button and a zero reset button, a display screen is arranged on the front surface of the controller (5), and the controller (5) is built-in rechargeable battery.

Images