Torsion arm lubrication training equipment for nose landing gear of airplane
By designing the torque arm lubrication training equipment for the front landing gear of the aircraft, the relative rotation of the slide rail and the torque arm simulates the working state of the front landing gear of the aircraft, the problem that the existing technology cannot effectively simulate the working state of the torque arm of the front landing gear of the aircraft is improved The effect of lubrication training.
Patent Information
- Application Number
- CN202420943352.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-04-30
AI Technical Summary
The existing landing gear lubrication tray cannot effectively simulate the working state of the torque arm of the aircraft in front of the aircraft, resulting in poor lubrication training.
A torque arm lubrication training device for the front landing gear of the aircraft is designed, including a slide rail, a fixed block, a sliding block, a screw, a handwheel, a first torque arm, a second torque arm and a connecting pin, and the threaded rod is driven by a handwheel The rotation causes the slider to slide along the slide rail, and the ends of the first and second torque arm rotate relative to each other, simulating the working state of the torque arm of the front landing gear of the aircraft.
This equipment can effectively simulate the working state of the torque arm of the front landing gear in the aircraft, improve the effect of lubrication training, and make the lubrication training closer to the real situation.
Smart Images
Figure CN222233161U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lubrication training, in particular to a lubrication training device for a torque arm of a front landing gear of an aircraft. Background Art
[0002] Aircraft landing gear lubrication is a very important routine maintenance work for civil aircraft. Regular lubrication ensures smooth transition between the connecting parts of the landing gear, so that the landing gear can be kept in good condition for landing and take-off operations. During the lubrication process, the landing gear has strict regulations on grease selection, grease filling, cleaning and other maintenance operations. Due to the high cost of real aircraft parts, the current landing gear lubrication bench cannot effectively simulate the working state of the torque arm of the aircraft's front landing gear, resulting in poor lubrication training results. Utility Model Content
[0003] The utility model aims to provide a torque arm lubrication training device for a front landing gear of an aircraft, which can simulate the working state of the torque arm of the front landing gear of the aircraft and achieve a good lubrication training effect.
[0004] In order to achieve the above object, the utility model provides a torque arm lubrication training device for a front landing gear of an aircraft, comprising:
[0005] Slide rails;
[0006] A fixed block, fixedly arranged on the slide rail;
[0007] A sliding block, slidably disposed on the slide rail;
[0008] A lead screw passes through the sliding block and the fixed block along the length direction of the slide rail, and the lead screw is threadedly connected to the sliding block;
[0009] A hand wheel is mounted on the end of the lead screw, and the hand wheel is used to drive the lead screw to rotate so that the sliding block slides along the length direction of the slide rail;
[0010] A first torque arm, a first end of which is hinged to the fixing block;
[0011] A second torque arm, a first end of which is hinged to the sliding block; and
[0012] A connecting pin is used to hinge the second end of the first torque arm with the second end of the second torque arm.
[0013] In some embodiments, a first bearing is further included, wherein the first bearing is mounted on the first end of the screw.
[0014] In some embodiments, a second bearing is also included, which is installed on the second end of the screw.
[0015] In some embodiments, the connecting pin is provided with a first oil filling port, and the first oil filling port is used to inject lubricating oil into the contact surface between the connecting pin and the first torque arm and the second torque arm.
[0016] In some embodiments, the sliding block is provided with a second oil filling port, and the second oil filling port is used to inject lubricating oil into the contact surface between the sliding block and the slide rail.
[0017] In some embodiments, a first hinged member is further included, wherein the first hinged member includes a first support and a first hinge shaft, the first support is mounted on the fixed block, and the first support is hinged to the first end of the first torque arm through the first hinge shaft.
[0018] In some embodiments, a third oil filling port is disposed at the first end of the first torque arm, and the third oil filling port is used to inject lubricating oil into the contact surface between the first torque arm and the first hinge shaft.
[0019] In some embodiments, a second hinged member is further included, wherein the second hinged member includes a second support and a second hinge shaft, the second support is mounted on the sliding block, and the second support is hinged to the first end of the second torque arm through the second hinge shaft.
[0020] In some embodiments, a fourth oil filling port is disposed at the first end of the second torque arm, and the fourth oil filling port is used to inject lubricating oil into the contact surface between the second torque arm and the second hinge shaft.
[0021] In some embodiments, a fastener is further included, and one end of the connecting pin passes through the first torque arm and the second torque arm to be connected to the fastener.
[0022] The utility model provides a torque arm lubrication training device for a front landing gear of an aircraft. Compared with the prior art, the utility model has the following beneficial effects:
[0023] A handwheel is installed on the end of the lead screw, and the handwheel is used to drive the lead screw to rotate, so that the sliding block slides along the length direction of the slide rail. The first end of the first torque arm is hinged to the fixed block; the first end of the second torque arm is hinged to the sliding block; the connecting pin is used to hinge the second end of the first torque arm with the second end of the second torque arm, so that both ends of the first torque arm and both ends of the second torque arm can rotate, which can simulate the working state of the torque arm of the front landing gear of the aircraft, so that the lubrication training effect is good. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] Figure 1 The present invention is a schematic diagram of the three-dimensional structure of a torque arm lubrication training device for a front landing gear of an aircraft provided by an embodiment of the utility model.
[0025] Figure 2 The present invention is a front view structural schematic diagram of a torque arm lubrication training device for a front landing gear of an aircraft provided by an embodiment of the utility model.
[0026] Figure 3 The present invention is a schematic top view of the structure of a torque arm lubrication training device for a front landing gear of an aircraft provided by an embodiment of the utility model.
[0027] In the figure: 1, slide rail; 2, fixed block; 3, sliding block; 31, second oil filling port; 4, screw; 5, hand wheel; 6, first torque arm; 61, third oil filling port; 7, second torque arm; 71, fourth oil filling port; 8, connecting pin; 81, first oil filling port; 9, first bearing; 10, second bearing; 11, first hinge; 11a, first support; 11b, first hinge shaft; 12, second hinge; 12a, second support; 12b, second hinge shaft; 13, fastener. DETAILED DESCRIPTION
[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.
[0029] It should be understood that, in the description of the present application, the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and 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, and therefore cannot be understood as a limitation on the present application. The terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated, that is, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In addition, unless otherwise specified, "multiple" means two or more.
[0030] like Figure 1-3As shown, the torque arm lubrication training device for the front landing gear of the aircraft of the utility model embodiment comprises a slide rail 1, a fixed block 2, a sliding block 3, a lead screw 4, a hand wheel 5, a first torque arm 6, a second torque arm 7 and a connecting pin 8. The fixed block 2 is fixedly arranged on the slide rail 1; the sliding block 3 is slidably arranged on the slide rail 1; the lead screw 4 passes through the sliding block 3 and the fixed block 2 along the length direction of the slide rail 1, and the lead screw 4 is threadedly connected to the sliding block 3; the hand wheel 5 is installed at the end of the lead screw 4, and the hand wheel 5 is used to drive the lead screw 4 to rotate so that the sliding block 3 slides along the length direction of the slide rail 1; the first end of the first torque arm 6 is hinged to the fixed block 2; the first end of the second torque arm 7 is hinged to the sliding block 3; the connecting pin 8 is used to hinge the second end of the first torque arm 6 with the second end of the second torque arm 7.
[0031] When in use, the hand wheel 5 is driven to rotate to drive the lead screw 4 to rotate so that the sliding block 3 moves on the slide rail 1, so that the second end of the first torque arm 6 and the second end of the second torque arm 7 rotate relative to each other, and the first end of the first torque arm 6 rotates on the fixed block 2, and the first end of the second torque arm 7 rotates on the sliding block 3, thereby simulating the working state of the torque arm of the front landing gear of the aircraft, and can perform lubrication training on the rotating parts of the first torque arm 6 and the second torque arm 7, so that the lubrication training effect is good.
[0032] In order to maintain the stability of the rotation of the lead screw 4, the torque arm lubrication training device further includes a first bearing 9, which is installed at the first end of the lead screw 4. The torque arm lubrication training device further includes a second bearing 10, which is installed at the second end of the lead screw 4. The first bearing 9 and the second bearing 10 are respectively connected to the two ends of the lead screw 4 by interference fit, so that the lead screw 4 has a stable structure.
[0033] In one embodiment, the connecting pin 8 is provided with a first oil filling port 81, and the first oil filling port 81 is used to inject lubricating oil into the contact surface between the connecting pin 8 and the first torque arm 6 and the second torque arm 7. The contact surface between the connecting pin 8 and the first torque arm 6 and the second torque arm 7 is lubricated by injecting lubricating oil through the first oil filling port 81.
[0034] In one embodiment, the sliding block 3 is provided with a second oil injection port 31, which is used to inject lubricating oil into the contact surface between the sliding block 3 and the slide rail 1. The contact surface between the sliding block 3 and the slide rail 1 is lubricated by injecting lubricating oil through the second oil injection port 31.
[0035] like Figure 1As shown, in one embodiment, the torque arm lubrication training device further includes a first hinge 11, the first hinge 11 includes a first support 11a and a first hinge shaft 11b, the first support 11a is mounted on the fixed block 2, and the first support 11a is hinged to the first end of the first torque arm 6 through the first hinge shaft 11b. The first torque arm 6 is stably hinged to the fixed block 2 through the first hinge 11.
[0036] Specifically, a third oil injection port 61 is provided at the first end of the first torque arm 6, and the third oil injection port 61 is used to inject lubricating oil into the contact surface between the first torque arm 6 and the first hinge shaft 11b. The lubricating oil is injected through the third oil injection port 61 to achieve lubrication training of the contact surface between the first torque arm 6 and the first hinge shaft 11b.
[0037] like Figure 1 As shown, in one embodiment, the torque arm lubrication training device further includes a second hinge 12, the second hinge 12 includes a second support 12a and a second hinge shaft 12b, the second support 12a is mounted on the sliding block 3, and the second support 12a is hinged to the first end of the second torque arm 7 through the second hinge shaft 12b. The second torque arm 7 is stably hinged to the sliding block 3 through the second hinge 12.
[0038] Specifically, a fourth oil injection port 71 is provided at the first end of the second torque arm 7, and the fourth oil injection port 71 is used to inject lubricating oil into the contact surface between the second torque arm 7 and the second hinge shaft 12b. The lubricating oil is injected through the fourth oil injection port 71 to achieve lubrication training of the contact surface between the second torque arm 7 and the second hinge shaft 12b.
[0039] In one embodiment, one end of the connecting pin 8 passes through the first torque arm 6 and the second torque arm 7 and is connected to the fastener 13. The fastener 13 is provided to facilitate the removal or installation of the connecting pin 8 from the first torque arm 6 and the second torque arm 7.
[0040] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.
Claims
1. A torque arm lubrication training device for an aircraft front landing gear, characterized in that: include: Slide rails; A fixed block, fixedly arranged on the slide rail; A sliding block, slidably disposed on the slide rail; A lead screw passes through the sliding block and the fixed block along the length direction of the slide rail, and the lead screw is threadedly connected to the sliding block; A hand wheel is mounted on the end of the lead screw, and the hand wheel is used to drive the lead screw to rotate so that the sliding block slides along the length direction of the slide rail; A first torque arm, a first end of which is hinged to the fixing block; A second torque arm, a first end of which is hinged to the sliding block; and A connecting pin is used to hinge the second end of the first torque arm with the second end of the second torque arm.
2. The torque arm lubrication training device for the front landing gear of an aircraft according to claim 1, characterized in that: Also included is a first bearing, which is mounted on the first end of the lead screw.
3. The torque arm lubrication training device for the aircraft front landing gear according to claim 1, characterized in that: Also included is a second bearing, which is mounted on the second end of the lead screw.
4. The torque arm lubrication training device for the aircraft nose landing gear according to claim 1, characterized in that: The connecting pin is provided with a first oil filling port, and the first oil filling port is used to inject lubricating oil into the contact surface between the connecting pin and the first torque arm and the second torque arm.
5. The aircraft nose landing gear torque arm lubrication training device according to claim 1, characterized in that: The sliding block is provided with a second oil filling port, and the second oil filling port is used to inject lubricating oil into the contact surface between the sliding block and the slide rail.
6. The aircraft nose landing gear torque arm lubrication training device according to claim 1, characterized in that: It also includes a first hinged component, which includes a first support and a first hinge shaft. The first support is installed on the fixed block, and the first support is hinged to the first end of the first torque arm through the first hinge shaft.
7. The aircraft nose landing gear torque arm lubrication training device according to claim 6, characterized in that: A third oil filling port is provided at the first end of the first torque arm, and the third oil filling port is used to inject lubricating oil into the contact surface between the first torque arm and the first hinge shaft.
8. The aircraft nose landing gear torque arm lubrication training device according to claim 1, characterized in that: It also includes a second hinged component, which includes a second support and a second hinge shaft. The second support is installed on the sliding block, and the second support is hinged to the first end of the second torque arm through the second hinge shaft.
9. The torque arm lubrication training device for the front landing gear of an aircraft according to claim 8, characterized in that: A fourth oil filling port is provided at the first end of the second torque arm, and the fourth oil filling port is used to inject lubricating oil into the contact surface between the second torque arm and the second hinge shaft.
10. The torque arm lubrication training device for the front landing gear of an aircraft according to claim 1, characterized in that: A fastener is also included, and one end of the connecting pin passes through the first torque arm and the second torque arm and is connected to the fastener.