CN219277797U

CN219277797U - Damping structure of total distance rod

Info

Publication number: CN219277797U
Application number: CN202320252840.1U
Authority: CN
Inventors: 沈丹华
Original assignee: Suzhou Hongxiang Aviation Technology Co ltd
Current assignee: Suzhou Hongxiang Aviation Technology Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-06-30
Anticipated expiration: 2033-02-20

Abstract

The utility model relates to a total distance pole damping structure relates to aviation technical field, and it includes the mounting panel, be provided with drive assembly and damping module on the mounting panel, drive assembly one side be connected with total distance pole, the opposite side be connected in damping module, drive assembly is used for with damping effect of damping module transmits to total distance pole department, damping module includes pivot, first swing arm, first damping piece and adjusting nut, the one end of pivot connect in the mounting panel, the other end threaded connection in adjusting nut, first swing arm with first damping piece rotate connect in the pivot, and all be located adjusting nut with between the mounting panel; the beneficial effect of this application is as follows, and the total distance pole can keep the position unchanged after adjusting under the effect of damping effect, can reduce the consumption of manual energy, reduces the manual work after long-time driving and keeps taking place the off normal to the position of total distance pole, increases the experience sense when driving.

Description

Damping structure of total distance rod

Technical Field

The application relates to the technical field of aviation, in particular to a total distance rod damping structure.

Background

The collective pitch lever of the helicopter, also called collective pitch throttle lever, refers to an operating lever for controlling the helicopter to ascend and descend by a helicopter driver.

The related prior art discloses a total distance pole control mechanism suitable for helicopter simulator, and it includes the mounting panel, mounting panel upper surface one end is fixed with two bearing frames through the bolt symmetry, be connected with total distance rocker through every single move hinge axis rotation between two bearing frames, every single move hinge axis's both ends are fixed on the bearing frame through the fixed rotation of bearing respectively, every single move hinge axis's one end extends to the bearing frame outside and is connected with potentiometer mounting panel one, total distance rocker inside has run through and has cup jointed the torsion bar, the one end of torsion bar extends to outside the total distance rocker and is connected with potentiometer mounting panel two, the one end of total distance rocker is provided with the handle. When the helicopter is used, the collective pitch rocking bar of the collective pitch bar controller is lifted and pressed, so that the collective pitch rocking bar rotates around the bearing seat, and the collective pitch rocking bar drives the pitching hinge shaft fixedly connected with the collective pitch rocking bar to rotate, thereby realizing the control of the helicopter.

Aiming at the related technology, the inventor finds that when the helicopter is controlled to hover through the method, the total distance rocker needs to be held manually all the time to keep the position of the total distance rocker unchanged, the hovering of the helicopter position can be realized, fatigue is generated manually after long-time flying, the control force on the total distance rocker is weakened, and phenomena such as offset are easy to occur.

Disclosure of Invention

In order to reduce the effort required for manual control of the collective and to reduce the phenomenon of misalignment that occurs when the collective is manually controlled, the present application provides a collective damping structure.

The total distance rod damping structure provided by the application adopts the following technical scheme:

the utility model provides a total distance pole damping structure, includes the mounting panel, be provided with drive assembly and damping subassembly on the mounting panel, drive assembly one side be connected with total distance pole, the opposite side connect in damping subassembly, drive assembly be used for with damping subassembly's damping effect transfer extremely total distance pole department, damping subassembly includes pivot, first swing arm, first damping piece and adjusting nut, the one end of pivot connect in the mounting panel, other end threaded connection in adjusting nut, first swing arm with first damping piece rotate connect in the pivot, and all be located adjusting nut with between the mounting panel.

Through adopting above-mentioned technical scheme, rotating adjusting nut, make adjusting nut extrude first damping fin, first damping fin butt is in first swing arm, make the rotation of first swing arm receive damping effect, the damping effect of transmission subassembly with first swing arm is transmitted to total distance pole department, make total distance pole also possess damping effect, through the elasticity degree that changes adjusting nut, can realize adjusting the size of damping force, after the size of damping force adjusts suitable degree, the manual work is after adjusting total distance pole to the assigned position, can loosen total distance pole, total distance pole remains the position unchanged under the effect of damping effect, can reduce the cost of manual energy, reduce the phenomenon that takes place the deviation to the position maintenance of total distance pole of manual work after taking place long-time driving.

Optionally, still be provided with the mounting bracket on the mounting panel, one side of mounting bracket connect in the mounting panel, the opposite side cover is located the pivot perisporium, just the cover of mounting bracket is established the end and is located between the first damping fin and the first swing arm.

Through adopting above-mentioned technical scheme, one side of mounting panel is connected in the perisporium of pivot, and the opposite side is connected in the mounting panel, can replace the pivot to bear the pressure when first swing arm rotates, reduces the pivot and takes place cracked phenomenon in the rotation in-process, strengthens holistic job stabilization nature of device.

Optionally, the damping assembly further includes a second damping fin, the second damping fin is sleeved on the peripheral wall of the rotating shaft, and the second damping fin is located on one side of the mounting frame, which faces away from the first damping fin.

Through adopting above-mentioned technical scheme, the second damping fin of setting has further strengthened the stability of damping effect, has reduced first swing arm and has not hindered the damping effect, and the possibility of random swing has strengthened the stability of whole device work.

Optionally, a locking nut is screwed on one side of the adjusting nut, which faces away from the first swing arm.

Through adopting above-mentioned technical scheme, lock nut finishes the back at adjusting nut regulation, through screw thread rotatory butt in adjusting nut for adjusting nut's position is fixed, has reduced adjusting screw thread and has taken place not hard up in the course of the work, leads to the unstable phenomenon of damping effect to take place.

Optionally, an abutment ring is disposed on a side of the adjusting nut facing the first swing arm, and an outer diameter of the abutment ring is larger than an outer diameter of the adjusting nut.

Through adopting above-mentioned technical scheme, the area of contact between adjusting nut and the first damping fin has been increased in the setting of butt ring, has reduced the pressure between adjusting nut and the first damping fin, has reduced the possibility that the deformation damage takes place for first damping fin.

Optionally, the drive assembly includes first connecting rod, second connecting rod and second swing arm, the second swing arm rotate connect in the mounting panel, first connecting rod one end connect in the second swing arm, the other end connect in the total distance pole, second connecting rod one end connect in the second swing arm is kept away from the one end of first connecting rod, the other end of second connecting rod connect in the one end that the first swing arm kept away from the pivot.

Through adopting above-mentioned technical scheme, the damping effect of first swing arm transmits to second connecting rod department, and the second connecting rod transmits damping effect to second swing arm department, and the second swing arm transmits damping effect to first connecting rod department, and first connecting rod transmits damping effect to total distance pole department, realizes the damping effect of total distance pole.

Optionally, the mounting panel is close to second swing arm department is provided with adjusting part, adjusting part is including adjusting the support, the adjusting part is close to the both ends department of second swing arm all is provided with adjusting bolt, adjusting bolt threaded connection in adjusting the support.

Through adopting above-mentioned technical scheme, through the position that changes between adjusting bolt and the regulation support, can change the rotation scope of second swing arm, realize adjusting the accommodation of total distance pole.

Optionally, a fixing nut is screwed on the screw portion of the adjusting bolt.

Through adopting above-mentioned technical scheme, fixation nut is after adjusting bolt finishes, keeps adjusting bolt and adjusting support's position relatively fixed, reduces adjusting bolt's the possibility that takes place not hard up in the course of the work.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the position of the total distance rod is kept unchanged under the action of the damping effect, so that the consumption of labor energy can be reduced, the phenomenon that the position of the total distance rod is kept to be deviated by manpower after long-time driving is reduced, and the experience feeling during driving is improved.

2. The rotation range of the second swing arm can be changed by changing the position between the adjusting bolt and the adjusting support, so that the adjusting range of the total distance rod is adjusted, and the total distance rod can be suitable for various different use habits.

Drawings

Fig. 1 is an overall schematic view of the total distance rod damping structure of the present embodiment.

Fig. 2 is an enlarged view at R in fig. 1.

Fig. 3 is a schematic diagram showing a damping assembly according to the present embodiment.

Reference numerals illustrate: 1. a mounting plate; 2. a transmission assembly; 201. a first link; 202. a second link; 203. a second swing arm; 3. a damping assembly; 301. a rotating shaft; 302. a first swing arm; 303. a first damping fin; 304. a second damping fin; 305. an adjusting nut; 4. a collective; 5. a mounting frame; 6. a lock nut; 7. an abutment ring; 8. an adjustment assembly; 801. adjusting the support; 802. an adjusting bolt; 9. and (5) fixing a nut.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a total distance rod damping structure. Referring to fig. 1 and 2, the total distance rod damping structure includes a mounting plate 1, a transmission assembly 2, a damping assembly 3, a total distance rod 4 and an adjusting assembly 8, wherein the total distance rod 4 is connected to the mounting plate 1 through the transmission assembly 2, the transmission assembly 2 is used for transmitting the damping effect of the damping assembly 3 to the total distance rod 4, and the adjusting assembly 8 is used for adjusting the rotation angle range of the total distance rod 4.

Referring to fig. 1 and 2, the transmission assembly 2 includes a first link 201, a second link 202, and a second swing arm 203, the second swing arm 203 being rotatably coupled to the mounting plate 1 at a center position thereof, one end of the second swing arm 203 being rotatably coupled to one end of the first link 201, and the other end of the first link 201 being rotatably coupled to the collective lever 4. One end of the second swing arm 203 far away from the first connecting rod 201 is rotatably connected with one end of the second connecting rod 202, and one end of the second connecting rod 202 far away from the second swing arm 203 is rotatably connected with the damping assembly 3.

Referring to fig. 1 and 2, the adjusting assembly 8 includes an adjusting support 801 and an adjusting bolt 802, the adjusting support 801 is close to both ends of the second swing arm 203 and is provided with the adjusting bolt 802, the adjusting support 801 is fixed on the side wall of the mounting plate 1 through a bolt, the adjusting support 801 is located near the second swing arm 203, the adjusting bolt 802 is in threaded connection with the adjusting support 801, the moving direction of the adjusting bolt 802 and the rotating direction of the second swing arm 203 are on the same plane, the screw portion of the adjusting bolt 802 is also in threaded connection with a fixing nut 9, and both sides of the adjusting support 801 are provided with fixing nuts 9.

Referring to fig. 1 and 3, the damping assembly 3 includes a rotation shaft 301, a first swing arm 302, a first damping sheet 303, an adjusting nut 305, and a second damping sheet 304, and materials of the first damping sheet 303 and the second damping sheet 304 may be rubber. One end of the rotating shaft 301 is welded on the side wall of the installation, the other end of the rotating shaft 301 is in threaded connection with the adjusting nut 305, the first damping fin 303, the second damping fin 304 and the first swing arm 302 are all sleeved on the peripheral wall of the rotating shaft 301 and are all located between the installation plate 1 and the adjusting nut 305, and the first damping fin 303 and the second damping fin 304 are located between the adjusting nut 305 and the first swing arm 302. The mounting bracket 5 is fixed on the side wall of the mounting plate 1 through bolts, and one side of the mounting bracket 5 is sleeved on the peripheral wall of the rotating shaft 301 and is positioned between the first damping fin 303 and the second damping fin 304. The adjusting nut 305 has welded the butt ring 7 towards one side of first swing arm 302, and the external diameter of butt ring 7 is greater than the external diameter of adjusting nut 305, and one side that the adjusting nut 305 deviates from first swing arm 302 is provided with lock nut 6, lock nut 6 threaded connection in pivot 301 tip.

The implementation principle of the total distance rod damping structure in the embodiment of the application is as follows: firstly, the position of the adjusting bolt 802 on the adjusting support 801 is rotated, the rotation range of the second swing arm 203 is limited within a specified range, and then the fixing nut 9 is rotated to be abutted against the adjusting support 801, so that the positions of the adjusting bolt 802 and the adjusting support 801 are relatively fixed; then, the tightness degree of the adjusting nut 305 on the rotating shaft 301 is rotated, so that the damping force applied to the first swing arm 302 by the first damping sheet 303 and the second damping sheet 304 is in a proper size, the proper size of the damping force in this embodiment is that the total distance rod 4 can keep unchanged in position under the action of the damping force, and finally the locking nut 6 is rotated until abutting against the adjusting nut 305, so that the adjusting nut 305 and the rotating position are relatively fixed, and finally the damping effect of the total distance rod 4 can be achieved.

Claims

1. The utility model provides a total distance pole damping structure which characterized in that: including mounting panel (1), be provided with drive assembly (2) and damping subassembly (3) on mounting panel (1), drive assembly (2) one side be connected with total distance pole (4), the opposite side be connected in damping subassembly (3), drive assembly (2) be used for with damping effect of damping subassembly (3) is transmitted to total distance pole (4) department, damping subassembly (3) include pivot (301), first swing arm (302), first damping fin (303) and adjusting nut (305), one end of pivot (301) be connected in mounting panel (1), the other end threaded connection in adjusting nut (305), first swing arm (302) with first damping fin (303) rotate connect in pivot (301), and all be located adjusting nut (305) with between mounting panel (1).

2. The collective damping structure according to claim 1, characterized in that: still be provided with mounting bracket (5) on mounting panel (1), one side of mounting bracket (5) connect in mounting panel (1), the opposite side cover is located pivot (301) perisporium, just the cover of mounting bracket (5) is established the end and is located between first damping fin (303) and first swing arm (302).

3. The collective damping structure according to claim 2, characterized in that: the damping assembly (3) further comprises a second damping piece (304), the second damping piece (304) is sleeved on the peripheral wall of the rotating shaft (301), and the second damping piece (304) is located on one side, deviating from the first damping piece (303), of the mounting frame (5).

4. The collective damping structure according to claim 1, characterized in that: one side of the adjusting nut (305) deviating from the first swing arm (302) is connected with a locking nut (6) in a threaded manner.

5. The collective damping structure according to claim 1, characterized in that: one side of the adjusting nut (305) facing the first swing arm (302) is provided with an abutting ring (7), and the outer diameter of the abutting ring (7) is larger than the outer diameter of the adjusting nut (305).

6. The collective damping structure according to claim 1, characterized in that: the transmission assembly (2) comprises a first connecting rod (201), a second connecting rod (202) and a second swing arm (203), the second swing arm (203) is rotationally connected to the mounting plate (1), one end of the first connecting rod (201) is connected to the second swing arm (203), the other end of the first connecting rod is connected to the total distance rod (4), one end of the second connecting rod (202) is connected to one end, far away from the first connecting rod (201), of the second swing arm (203), and the other end of the second connecting rod (202) is connected to one end, far away from the rotating shaft (301), of the first swing arm (302).

7. The collective damping structure according to claim 6, characterized in that: the mounting plate (1) is close to second swing arm (203) department is provided with adjusting part (8), adjusting part (8) are including adjusting support (801), adjusting support (801) are close to both ends department of second swing arm (203) all is provided with adjusting bolt (802), adjusting bolt (802) threaded connection in adjusting support (801).

8. The collective damping structure according to claim 7, characterized in that: the screw rod part of the adjusting bolt (802) is in threaded connection with a fixing nut (9).