Torque measuring equipment for automatic inclinator of helicopter
By designing a device that includes components such as rotor shaft, rotating ring, non-rotating ring and fixed plate, the difficulty of measuring torque of the helicopter automatic tilter is solved, and accurate torque measurement of automatic tilters of different sizes and shapes is achieved. , ensuring the accuracy and applicability of the measurement.
Patent Information
- Application Number
- CN202421058755.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The prior art is difficult to effectively measure the torque of the helicopter automatic incliner, especially due to measurement difficulties and inaccuracy caused by changes in its special shape and size.
A device including a rotor shaft, a rotary ring, a non-rotary ring, a fixed plate, a wear-resistant layer, a rubber bump, a limiting groove, a spring, a connecting plate, a non-slip layer, a telescopic rod and a torque measuring device are designed through these components The rotor shaft is engaged, clamped and adjusted to ensure the accuracy and adaptability of torque measurement.
The stable clamping and torque measurement of automatic incliners of different sizes and shapes is achieved, avoiding inaccurate measurements caused by wear and jitter, and ensuring the accuracy and applicability of torque data.
Smart Images
Figure CN222258539U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automatic inclinator torque measuring equipment, in particular to a helicopter automatic inclinator torque measuring equipment. Background Art
[0002] With the advancement of technology, large, small and micro-sized pure electric unmanned helicopters have developed rapidly and are widely used in surveying, transportation, inspection and other fields. During the operation of the helicopter, the helicopter automatic tilt device responds to the control instructions of the autopilot or the driver, adjusts the rotor tilt angle, changes the lift size and direction, and then controls the direction of movement of the helicopter. The traditional tilt device controls the tilt of the rotor blade disc and requires three to four servos. The servos drive the fixed ring of the automatic tilt device to tilt, and then drive the dynamic ring of the tilt device to tilt. The dynamic ring of the tilt device is connected to the pitch rod and the blade pitch hinge through the pitch change lever, so as to transmit the tilting motion to the blade and realize the change of the blade pitch angle. Helicopters with different weights and lifts need to be equipped with automatic tilt devices with different torques, so as to better cooperate with the helicopter to turn. Therefore, the demand for a helicopter automatic tilt device torque measurement device is growing.
[0003] Therefore, in order to solve the above problems, a helicopter automatic tilter torque measuring device is proposed in the market. Utility Model Content
[0004] The utility model aims to provide a helicopter automatic tilt device torque measurement device to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A helicopter automatic inclinator torque measuring device comprises a rotor shaft, a rotating ring, a non-rotating ring and a fixed plate, wherein the outer side of the rotor shaft is provided with a rotating ring and a non-rotating ring in sequence from top to bottom, a first limiting groove is provided inside the fixed plate, a first wear-resistant layer is fixedly connected inside the first limiting groove, a first rubber convex point is fixedly connected inside the first wear-resistant layer, a spring is fixedly connected to the bottom end of the fixed plate, a connecting plate is fixedly connected to one end of the spring away from the fixed plate, an anti-skid layer is fixedly connected to the side of the connecting plate away from the spring, a second limiting groove is provided inside the connecting plate and the anti-skid layer, a second wear-resistant layer is fixedly connected inside the second limiting groove, a second rubber convex point is fixedly connected to the inside of the second wear-resistant layer, a first telescopic rod is fixedly connected to the outside of the fixed plate, a first limiting hole is provided on the outside of the first telescopic rod, a first fixing piece is slidably connected inside the first limiting hole, a support plate is fixedly connected to one side of the fixed plate, a second telescopic rod is fixedly connected to the bottom end of the support plate, a second limiting hole is provided on the outside of the second telescopic rod, and a second fixing piece is slidably connected inside the second limiting hole.
[0007] Preferably, a fixing block is fixedly connected to the bottom end of the second telescopic rod, a fixing groove is provided inside the fixing block, and a torque meter is snap-connected inside the fixing groove.
[0008] Preferably, the support plate, the second telescopic rod, the second limiting hole, the second fixing member, the fixing block and the fixing groove form a group, there are two groups in total, and are symmetrically arranged on the surface of the fixing plate in the upper and lower directions.
[0009] Preferably, the fixing grooves are combined together to form a complete circular fixing groove, which can be used to engage the test end of the torque meter.
[0010] Preferably, there are four fixing plates, which are fixedly connected together by a first telescopic rod.
[0011] Preferably, a rotating ring and a non-rotating ring are snap-connected on one side of the anti-slip layer away from the connecting plate.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. In the utility model, by means of the fixed plate, the first wear-resistant layer, the first rubber convex point, the first limiting groove, the second limiting groove, the second wear-resistant layer, the second rubber convex point, the spring, the connecting plate and the anti-skid layer, the first limiting groove and the second limiting groove in the fixed plate, the connecting plate and the anti-skid layer, the rotor shaft can be clamped from one side of the rotor shaft, the first wear-resistant layer, the first rubber convex point, the second wear-resistant layer and the second rubber convex point can be used to wrap the rotor shaft to prevent the rotor shaft from being worn, the rotating ring and the non-rotating ring are clamped and fixed by the upper and lower sets of fixed plates, springs, connecting plates and anti-skid layers, so as to facilitate the measurement of torque, thereby solving the problem that the fixing is troublesome due to the particularity of the shape of the automatic tilt device and the lack of a special torque measuring instrument;
[0014] 2. In the utility model, by providing a fixing plate, a first telescopic rod, a first limiting hole, a first fixing piece, a second telescopic rod, a second limiting hole, a second fixing piece, a fixing block and a fixing groove, the fixing plate can be driven by the first telescopic rod to adjust the spacing between the two fixing plates for automatic tilters of different sizes, so that automatic tilters of different sizes can be clamped and fixed. After adjustment, two appropriate first limiting holes are overlapped, and the first fixing piece is inserted into the first limiting hole for fixing. The second telescopic rod is also adjusted accordingly with the adjustment of the first telescopic rod, so that the two fixing blocks always keep in a fitted state. After adjustment, the second fixing piece is inserted into the second limiting hole for fixing, thereby solving the problem that the size of the automatic tilter will change with the weight of the helicopter, and automatic tilters of different sizes can be compatible and fixed.
[0015] 3. In the utility model, components such as springs, connecting plates and anti-skid pads are provided. The springs and connecting plates provided can play a role of buffering and shock absorption between the fixed plate and the rotating ring and the non-rotating ring. The anti-skid layer can prevent slipping to prevent inaccurate torque data measured due to jitter. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a rear view structural diagram of the utility model;
[0018] Figure 3 It is a side structural schematic diagram of the utility model.
[0019] In the figure: 1, rotor shaft; 2, rotating ring; 3, non-rotating ring; 4, fixing plate; 5, first wear-resistant layer; 6, first rubber protrusion; 7, first limiting groove; 8, spring; 9, connecting plate; 10, anti-skid layer; 11, second wear-resistant layer; 12, second rubber protrusion; 13, second limiting groove; 14, first telescopic rod; 15, first limiting hole; 16, first fixing member; 17, supporting plate; 18, second telescopic rod; 19, second limiting hole; 20, second fixing member; 21, fixing block; 22, fixing groove; 23, torque meter. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.
[0022] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.
[0023] See also Figure 1-3 , the utility model provides a technical solution:
[0024] A helicopter automatic inclinator torque measuring device comprises a rotor shaft 1, a rotating ring 2, a non-rotating ring 3 and a fixed plate 4, wherein the outer side of the rotor shaft 1 is provided with a rotating ring 2 and a non-rotating ring 3 in sequence from top to bottom, the interior of the fixed plate 4 is provided with a first limiting groove 7, the interior of the first limiting groove 7 is fixedly connected with a first wear-resistant layer 5, the inner side of the first wear-resistant layer 5 is fixedly connected with a first rubber bump 6, the bottom end of the fixed plate 4 is fixedly connected with a spring 8, the end of the spring 8 away from the fixed plate 4 is fixedly connected with a connecting plate 9, the side of the connecting plate 9 away from the spring 8 is fixedly connected with an anti-slip layer 10, the interior of the connecting plate 9 and the anti-slip layer 10 is provided with a There is a second limiting groove 13, the interior of the second limiting groove 13 is fixedly connected with a second wear-resistant layer 11, the inner side of the second wear-resistant layer 11 is fixedly connected with a second rubber protrusion 12, the outer side of the fixing plate 4 is fixedly connected with a first telescopic rod 14, the outer side of the first telescopic rod 14 is provided with a first limiting hole 15, the interior of the first limiting hole 15 is slidably connected with a first fixing member 16, one side of the fixing plate 4 is fixedly connected with a support plate 17, the bottom end of the support plate 17 is fixedly connected with a second telescopic rod 18, the outer side of the second telescopic rod 18 is provided with a second limiting hole 19, and the interior of the second limiting hole 19 is slidably connected with a second fixing member 20.
[0025] The bottom end of the second telescopic rod 18 is fixedly connected with a fixing block 21, and a fixing groove 22 is provided inside the fixing block 21. The inside of the fixing groove 22 is snap-connected with a torque meter 23. The support plate 17, the second telescopic rod 18, the second limiting hole 19, the second fixing piece 20, the fixing block 21 and the fixing groove 22 form a group, and there are two groups in total, and they are symmetrically arranged on the surface of the fixing plate 4 in the upper and lower directions. The fixing grooves 22 are combined together into a complete circular fixing groove 22, which can snap-fit the test end of the torque meter 23. There are four fixing plates 4, which are fixedly connected together by the first telescopic rod 14. The side of the anti-slip layer 10 away from the connecting plate 9 is snap-connected with a rotating ring 2 and a non-rotating ring 3.
[0026] Workflow: Workflow: When it is necessary to use the helicopter automatic inclinometer torque measuring equipment, the rotor shaft 1 can be clamped from one side of the rotor shaft 1 through the first limit groove 7 and the second limit groove 13, and the rotor shaft 1 can be wrapped by the first wear-resistant layer 5, the first rubber bump 6, the second wear-resistant layer 11 and the second rubber bump 12 to prevent the rotor shaft 1 from wear. The rotating ring 2 and the non-rotating ring 3 are clamped and fixed by the upper and lower groups of fixing plates 4, the spring 8, the connecting plate 9 and the anti-slip layer 10 to facilitate the measurement of torque. For automatic inclinometers of different sizes, the fixed plate 4 is driven by the first telescopic rod 14 to adjust the distance between the two fixing plates 4, and the automatic inclinometers of different sizes are clamped and fixed. After adjustment, the two appropriate first limit holes 15 are overlapped, and the first fixing piece 16 is inserted into the first limit hole 15. The second telescopic rod 18 is also adjusted accordingly with the adjustment of the first telescopic rod 14, so that the two fixed blocks 21 always keep in a fitted state. After adjustment, the second fixing piece 20 is inserted into the second limiting hole 19 for fixing. The spring 8 and the connecting plate 9 provided can play a buffering and shock-absorbing role between the fixing plate 4 and the rotating ring 2 and the non-rotating ring 3. The anti-slip layer 10 can prevent slipping to prevent the torque data measured due to shaking from being inaccurate. After adjustment, the test rod of the torque meter 23 is inserted into the adjusted fixed groove 22, and the automatic inclinator is started. As the automatic inclinator rotates, the fixed block 21 is driven to rotate, and the measuring rod of the torque meter 23 is driven to rotate left and right through the fixed block 21 and the fixed groove 22. The torque of the automatic inclinator is tested by the rotation force. The torque meter 23 is a prior art and is an instrument specifically for testing torque.
[0027] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.
[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A helicopter automatic tilt mechanism torque measuring device, comprising a rotor shaft (1), a rotating ring (2), a non-rotating ring (3) and a fixed plate (4), characterized in that: The outer side of the rotor shaft (1) is provided with a rotating ring (2) and a non-rotating ring (3) in order from top to bottom; the interior of the fixing plate (4) is provided with a first limiting groove (7); the interior of the first limiting groove (7) is fixedly connected with a first wear-resistant layer (5); the inner side of the first wear-resistant layer (5) is fixedly connected with a first rubber bump (6); the bottom end of the fixing plate (4) is fixedly connected with a spring (8); the end of the spring (8) away from the fixing plate (4) is fixedly connected with a connecting plate (9); the side of the connecting plate (9) away from the spring (8) is fixedly connected with an anti-slip layer (10); the interior of the connecting plate (9) and the anti-slip layer (10) is provided with a second limiting groove (13); the second limiting groove (13) ) is fixedly connected to the inside of the fixing plate (4), a second wear-resistant layer (11) is fixedly connected to the inside of the second wear-resistant layer (11), a second rubber protrusion (12) is fixedly connected to the outside of the fixing plate (4), a first telescopic rod (14) is fixedly connected to the outside of the first telescopic rod (14), a first limiting hole (15) is provided on the inside of the first limiting hole (15), a first fixing member (16) is slidably connected to the inside of the first limiting hole (15), a support plate (17) is fixedly connected to one side of the fixing plate (4), a second telescopic rod (18) is fixedly connected to the bottom end of the support plate (17), a second limiting hole (19) is provided on the outside of the second telescopic rod (18), and a second fixing member (20) is slidably connected to the inside of the second limiting hole (19).
2. A helicopter automatic tilt device torque measurement device according to claim 1, characterized in that: The bottom end of the second telescopic rod (18) is fixedly connected to a fixing block (21), a fixing groove (22) is provided inside the fixing block (21), and a torque measuring device (23) is snap-connected inside the fixing groove (22).
3. A helicopter automatic tilt device torque measurement device according to claim 1, characterized in that: The support plate (17), the second telescopic rod (18), the second limiting hole (19), the second fixing member (20), the fixing block (21) and the fixing groove (22) form a group, there are two groups in total, and are symmetrically arranged on the surface of the fixing plate (4) in an upper and lower manner.
4. A helicopter automatic tilt device torque measurement device according to claim 2, characterized in that: The fixing grooves (22) are combined together to form a complete circular fixing groove (22), which can be used to engage the test end of the torque meter (23).
5. A helicopter automatic tilt device torque measurement device according to claim 1, characterized in that: There are four fixed plates (4) which are fixedly connected together by a first telescopic rod (14).
6. A helicopter automatic tilt device torque measurement device according to claim 1, characterized in that: A rotating ring (2) and a non-rotating ring (3) are snap-connected to a side of the anti-slip layer (10) away from the connecting plate (9).