CN220729136U - Aeroplane engine accessory drive case bevel gear tooth clearance detection equipment - Google Patents
Aeroplane engine accessory drive case bevel gear tooth clearance detection equipment Download PDFInfo
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- CN220729136U CN220729136U CN202321840552.4U CN202321840552U CN220729136U CN 220729136 U CN220729136 U CN 220729136U CN 202321840552 U CN202321840552 U CN 202321840552U CN 220729136 U CN220729136 U CN 220729136U
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Abstract
The utility model relates to bevel gear backlash detection equipment for an accessory transmission case of an aircraft engine, which relates to the field of automatic equipment and comprises a gear set assembly platform, a movable overturning workbench and a bevel gear backlash detection station. The equipment can complete the assembly of the accessory transmission casing of the aircraft engine and the detection of the tooth gaps of the bevel gears simultaneously, the quick replacement of the accessory transmission casing assembly of the engine is realized through the zero point positioning module, the assembly detection efficiency of products can be greatly improved, meanwhile, the equipment adopts a movable turnover workbench, the automatic detection and the manual assembly separation can be realized, the equipment safety is greatly improved, and the simpler assembly operation can be provided by adopting a turnover structure. The automatic bevel gear backlash detection can provide stable axial acting force, and the stability and data accuracy of a product in the backlash measurement process can be effectively ensured.
Description
Technical Field
The utility model belongs to the technical field of aviation, and particularly relates to equipment for detecting tooth gaps of bevel gears of accessory transmission cases of aeroplane engines.
Background
The bevel gear pair is widely applied to a transmission system because of the variable transmission angle, and particularly has wider application in the aviation field, and the stability of the whole equipment and the use reliability of the equipment can be influenced by the relationship of the assembly backlash of the bevel gear pair in the assembly process.
The assembly measurement of the bevel gear pair comprises the measurement of tooth gaps after bidirectional variable force application, namely, the force applied to a matched stack of bevel gear pairs in the direction of disengaging the two gears from the whistle, the maximum value of the gap is measured, the force applied to a matched stack of bevel gear pairs in the direction of disengaging the two gears is measured, and the minimum value of the tooth gaps is measured. By measuring the existing index, the force for applying engagement and disengagement whistle is required to be configured, the corresponding tooth gap is detected, and real-time data feedback can be quantitatively formed, so that the accuracy and consistency of the detection process are ensured.
At present, manual detection is actually adopted in the field, and the applied acting force is not definite in size and is not unique each time. In addition, the installation of the internal gear shaft assembly of the aircraft engine accessory transmission case in the field of aviation is mostly carried out by adopting a manual tool, and the tool operation and the component installation are relatively inconvenient.
Disclosure of Invention
The utility model aims to provide equipment for assembling an accessory transmission casing of an aircraft engine and detecting tooth gaps of a bevel gear, which can realize automatic detection and manual assembly and separation, greatly improve the safety of the equipment, and can provide simpler assembly operation by adopting a turnover structure. The automatic bevel gear backlash detection can provide stable axial acting force, and the stability and data accuracy of a product in the backlash measurement process can be effectively ensured.
The technical scheme of the utility model is as follows:
the utility model provides a bevel gear backlash detection device for an accessory transmission case of an aeroplane engine, which comprises a gear set assembly bottom frame, a movable overturning workbench and a bevel gear backlash detection station;
the gear set assembly bottom frame comprises a guide rail, and a movable overturning workbench is arranged on the guide rail in a sliding manner; the movable overturning workbench; the device comprises a movable base, a servo driving assembly, a product tool and a turnover platform; the overturning platform is arranged on the movable base; the servo driving assembly is arranged on the movable base and is in driving connection with the overturning platform; the product tool is detachably arranged on the overturning platform;
the bevel gear tooth gap detection station comprises a detection component support seat, a bevel gear tooth gap detection component vertically arranged on the detection component support seat, a pressurizing component support seat and a bevel gear side pressurizing component horizontally arranged on the pressurizing component support seat; the bevel gear backlash detection assembly and the bevel gear side pressurizing assembly are identical in structure and comprise a servo module, an XY shaft floating sliding rail connected with the servo module, a gear fixing module arranged on the XY shaft floating sliding rail, a servo motor for providing power for the gear fixing module and a speed reducer arranged between the gear fixing module and the servo motor and used for driving.
As a preferable scheme of the utility model, the gear set assembly bottom frame comprises a base, an air cylinder, a platform positioning component and a guide rail; the guide rail is arranged on the base; the cylinder is used for providing power for moving the movable turnover workbench, and the platform positioning assembly limits the movable turnover workbench.
As a preferable scheme of the utility model, the movable overturning workbench is also provided with a zero point positioning system which is convenient for installing a detection sample.
As the preferable scheme of the utility model, the gear fixing module comprises a quick-change switching transition shaft, a product error-proofing sensor, a quick guide shaft, a linear shaft brake, a tension pressure sensor, a torque sensor and a coupler; one end of the coupler is in transmission connection with the speed reducer, and the other end of the coupler is connected with the torque sensor; the torque sensor is connected with the linear shaft brake; the linear shaft brake is in transmission connection with the quick guide shaft; the quick guide shaft is connected with the quick-change switching transition shaft; a pulling pressure sensor is also arranged between the torque sensor and the linear shaft brake; and a product error-proofing sensor is also arranged between the quick guide shaft and the quick-change switching transition shaft. And the quick guide shaft is also provided with a thrust bearing and a floating spring. The corrugated coupling has a deviation adaptation angle of + -1 deg.
As a preferable scheme of the utility model, the quick-change switching transition shaft comprises a quick-change shaft, a chuck and a locking screw; the locking screw is arranged between the quick-change shaft and the chuck, and the chuck is tightly held by tightening the locking screw.
As a preferable scheme of the utility model, the XY axis floating sliding rail realizes the floating of the whole measuring assembly in the X/Y axis direction through two groups of X axis and Y axis modules.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. according to the utility model, the quick-change module is used for automatically changing the loading and unloading of the product tools, so that the assembly efficiency is improved, the overturning platform is compatible with different product tools, the replacement of various products can be realized, and the manual operation is reduced by adopting the servo control overturning action, so that the assembly process is more convenient.
2. According to the utility model, through the designed automatic detection assembly, a quantifiable pulling and pressing axial acting force is provided, so that the bevel gear can be effectively meshed.
3. According to the utility model, through the designed automatic detection assembly, the backlash detection of the bevel gear in the accessory transmission casing can be realized, the operation is convenient, the carrying process of redundant detection equipment is reduced, and the working efficiency is improved.
Drawings
Embodiments of the present utility model will be described in detail or with reference to the accompanying drawings, wherein,
FIG. 1 is a schematic diagram of a bevel gear backlash detection device for an accessory drive casing of an aircraft engine in an embodiment of the utility model;
fig. 2 is a schematic diagram of a gear train assembly bottom frame of a bevel gear backlash detection device for an accessory drive casing of an aircraft engine in an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a movable turnover workbench of a bevel gear backlash detection device for an accessory drive casing of an aircraft engine in an embodiment of the utility model;
fig. 4 is a schematic structural diagram of a bevel gear backlash detection assembly of a bevel gear backlash detection device of an accessory transmission case of an aircraft engine in an embodiment of the present utility model;
fig. 5 is a schematic view of a bevel gear side pressurizing assembly of a bevel gear backlash detection device of an accessory transmission case of an aircraft engine in an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a quick-change switching transition shaft assembly of an aircraft engine accessory drive casing bevel gear backlash detection device in an embodiment of the utility model.
Detailed Description
The utility model is further illustrated and described below in connection with specific embodiments. The described embodiments are merely exemplary of the present disclosure and do not limit the scope. The technical features of the embodiments of the utility model can be combined correspondingly on the premise of no mutual conflict.
As shown in FIG. 1, the device integrating the detection of the backlash of the bevel gear of the engine accessory transmission case comprises
The gear set assembly base frame 1 shown in fig. 2 comprises a base 4, a cylinder 5, a platform positioning assembly 6 and a guide rail 7; the guide rail 7 is arranged on the base 4; a movable turnover workbench 2 arranged on the guide rail 7 in a sliding manner; as shown in fig. 3, the movable turnover workbench 2 comprises a movable base 8, a turnover platform 13 arranged on the movable base 8, a servo driving assembly 9 arranged on the movable base 8 and in driving connection with the turnover platform 13, and a product fixture 10 detachably arranged on the turnover platform 13; the cylinder 5 is used for providing power for moving the movable turnover workbench 2, and the platform positioning assembly 6 limits the movable turnover workbench 2.
The bevel gear backlash detection station 3 shown in fig. 4 comprises a detection assembly support seat 29, a bevel gear backlash detection assembly 14 vertically arranged on the detection assembly support seat 29, a pressurizing assembly support seat 30 and a bevel gear side pressurizing assembly 15 horizontally arranged on the pressurizing assembly support seat 30; as shown in fig. 5, the bevel gear backlash detecting assembly 14 and the bevel gear side pressurizing assembly 15 have the same structure, and each of the bevel gear backlash detecting assembly and the bevel gear side pressurizing assembly comprises a servo module 28, an XY-shaft floating slide rail 27 connected with the servo module 28, a gear fixing module arranged on the XY-shaft floating slide rail 27, a servo motor 26 for providing power for the gear fixing module, and a speed reducer 25 arranged between the gear fixing module and the servo motor 26 and used for driving.
In order to more clearly illustrate the above-described device, the device of the present utility model will be described in connection with the working process in the present embodiment; the accessory transmission case is placed on the product tool 10, then the manipulator is placed on the overturning platform 13 through the zero point positioning system, and the overturning platform is controlled to overturn in angle manually according to the actually required installation angle so as to facilitate the installation of the gear shaft. After the installation of the preliminary gear shaft is completed, signals are sent to the air cylinder 5 through the operation button 11 by a person to enable the movable overturning workbench 2 to move to the bevel gear tooth gap detection station.
In one embodiment of the utility model, the gear fixing module comprises a quick-change switching transition shaft 16, a product error-proofing sensor 17, a quick guiding shaft 18, a linear shaft brake 21, a pull pressure sensor 22, a torque sensor 23 and a coupler 24; one end of the coupler 24 is in transmission connection with the speed reducer 25, and the other end of the coupler is connected with the torque sensor 23; the torque sensor 23 is connected with the linear shaft brake 21; the linear shaft brake 21 is in transmission connection with the quick guide shaft 18; the quick guide shaft 18 is connected with the quick change switching transition shaft 16; wherein a pull pressure sensor 22 is also arranged between the torque sensor 23 and the linear shaft brake 21; a product error-proofing sensor 17 is also arranged between the quick guide shaft 18 and the quick change transition shaft 16. The fast guiding shaft 18 is also provided with a thrust bearing 19 and a floating spring 20. The quick-change adapter transition shaft 16 comprises a quick-change shaft 31, a chuck 32 and a locking screw 33; the locking screw 33 is disposed between the quick-change shaft 31 and the chuck 32, and the chuck 32 is held tightly by tightening the locking screw 33.
Because the backlash of the bevel gear needs to be detected, a group of quick-change switching transition shafts 16 are required to be installed at two ends of the gear shaft of the bevel gear respectively after the gear shaft is installed, the attached piece transmission casing moves to the bevel gear backlash detection station after the locking and positioning are performed manually, after the product moves to the bevel gear backlash detection station, the bevel gear backlash detection assembly 14 and the bevel gear side pressurizing assembly 15 are guided to the quick-change switching transition shafts 16 respectively through the quick-change guide shafts 18 after moving through the servo module 28 before detecting the backlash, then the product error-proofing sensor 17 detects that the product is stopped moving, the linear shaft brake 21 ventilates and clamps the quick-change switching transition shafts 16, then the axial acting force servo module 28 at two ends provided by the bevel gear pair moves up and down and back and forth according to actual needs, the servo motor 26 drives the quick-change switching transition shafts 16 to rotate after feeding back the actual tension value and the pressure value through the tension sensor 22, and the rotating angle of the servo motor can calculate the backlash of the current bevel gear through the moment value change of the torque sensor 23.
When the tooth gap detection of the bevel gear is completed, the linear shaft brake 21 is ventilated to enable the quick-change switching transition shaft 16 to be separated from the measuring mechanism, then the servo module 28 and the servo motor return to the original point state, the operation button 11 is manually operated after the signal is completed, the movable turnover workbench 2 is moved to the manual assembly station, and whether to repair and complete the installation of components such as a follow-up cover plate or not is manually judged according to detection data.
The transmission case bevel gear backlash detection equipment provided by the utility model has the advantages of compact structure, strong stability and the like, and can be used for implementing data monitoring and status display.
The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.
Claims (8)
1. The bevel gear backlash detection equipment for the accessory transmission case of the aeroplane engine is characterized by comprising a gear set assembly bottom frame (1), a movable overturning workbench (2) and a bevel gear backlash detection station (3);
the gear set assembly bottom frame (1) comprises a guide rail (7), and a movable turnover workbench (2) is arranged on the guide rail (7) in a sliding manner; the movable overturning workbench (2); comprises a movable base (8), a servo driving assembly (9), a product tool (10) and a turnover platform (13); the overturning platform (13) is arranged on the movable base (8); the servo driving assembly (9) is arranged on the movable base (8) and is in driving connection with the overturning platform (13); the product tool (10) is detachably arranged on the overturning platform (13);
the bevel gear backlash detection station (3) comprises a detection component support seat (29), a bevel gear backlash detection component (14) vertically arranged on the detection component support seat (29), a pressurizing component support seat (30) and a bevel gear side pressurizing component (15) horizontally arranged on the pressurizing component support seat (30); the bevel gear backlash detection assembly (14) and the bevel gear side pressurizing assembly (15) are identical in structure and comprise a servo module (28), an XY axis floating sliding rail (27) connected with the servo module (28), a gear fixing module arranged on the XY axis floating sliding rail (27), a servo motor (26) for providing power for the gear fixing module and a speed reducer (25) arranged between the gear fixing module and the servo motor (26) and used for driving.
2. The transmission case bevel gear backlash detection device according to claim 1, characterized in that the gear train assembly base frame (1) comprises a base (4), a cylinder (5), a platform positioning assembly (6) and a guide rail (7); the guide rail (7) is arranged on the base (4); the cylinder is used for providing power for moving the movable turnover workbench (2), and the platform positioning assembly (6) limits the movable turnover workbench (2).
3. The transmission case bevel gear backlash detection device according to claim 1, characterized in that the movable turnover table (2) is further provided with a zero point positioning system for facilitating the installation of a detection sample.
4. The gear box bevel gear backlash detection device according to claim 1, wherein the gear fixing module comprises a quick-change switching transition shaft (16), a product error-proofing sensor (17), a quick guiding shaft (18), a linear shaft brake (21), a tension pressure sensor (22), a torque sensor (23) and a coupler (24); one end of the coupler (24) is in transmission connection with the speed reducer (25), and the other end of the coupler is connected with the torque sensor (23); the torque sensor (23) is connected with the linear shaft brake (21); the linear shaft brake (21) is in transmission connection with the quick guide shaft (18); the quick guide shaft (18) is connected with the quick change switching transition shaft (16); a tension pressure sensor (22) is also arranged between the torque sensor (23) and the linear shaft brake (21); a product error-proofing sensor (17) is arranged between the quick guide shaft (18) and the quick change and transfer transition shaft (16).
5. The transmission case bevel gear backlash detection device according to claim 4, characterized in that the fast guiding shaft (18) is further provided with a thrust bearing (19) and a floating spring (20).
6. The transmission cassette bevel gear backlash detection device according to claim 4, characterized in that the quick change changeover transition shaft (16) comprises a quick change shaft (31), a chuck (32) and a locking screw (33); the locking screw (33) is arranged between the quick-change shaft (31) and the chuck (32), and the chuck (32) is held tightly by tightening the locking screw (33).
7. The transmission cassette bevel gear backlash detection apparatus according to claim 4, characterized in that the coupling has a deviation adaptation angle of ±1°.
8. The transmission case bevel gear backlash detection apparatus according to claim 1, characterized in that the XY-axis floating slide rail (27) realizes floating of the entire measurement assembly in the X/Y-axis direction by two sets of modules of the X-axis and the Y-axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321840552.4U CN220729136U (en) | 2023-07-13 | 2023-07-13 | Aeroplane engine accessory drive case bevel gear tooth clearance detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321840552.4U CN220729136U (en) | 2023-07-13 | 2023-07-13 | Aeroplane engine accessory drive case bevel gear tooth clearance detection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220729136U true CN220729136U (en) | 2024-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321840552.4U Active CN220729136U (en) | 2023-07-13 | 2023-07-13 | Aeroplane engine accessory drive case bevel gear tooth clearance detection equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220729136U (en) |
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2023
- 2023-07-13 CN CN202321840552.4U patent/CN220729136U/en active Active
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