Four-way parallel throttle lever operating force adjusting mechanism with linkage locking device

Abstract

The invention discloses a four-way parallel throttle lever operating force adjusting mechanism with a linkage locking device, which comprises a locking rod (1), a push rod A (2), a push rod B (3), a push rod C (4), a push rod D (5), a friction locking force adjusting mechanism (6), a support shaft a (7) and a support shaft b (8), and is characterized in that the support shaft b (8) is respectively connected with the locking rod (1), the push rod A (2), the push rod B (3), the push rod C (4), the push rod D (5) and the upper end of the friction locking force adjusting mechanism (6); the lower end of the friction locking force adjusting mechanism (6) is installed on the supporting shaft a (7). The invention has the advantages of small volume, compact structure, no attenuation of basic operating force, easiness in adjusting the operating force, simplicity in repair and maintenance, reduction of maintenance and low maintenance labor cost.

Description

Technical Field

[0001] The invention belongs to the technical field of throttles, and in particular relates to a four-way parallel throttle lever operating force regulating mechanism with a linkage locking device. Background Art

[0002] The throttle station is an important device for pilots to control the thrust of the aircraft. It directly affects the control characteristics of the aircraft. The size and smoothness of the throttle lever control force on the throttle station are one of the important indicators of the ergonomics of the throttle station. At present, the damping commonly used in the throttle station is mechanical damping. Since the throttle damping adjustment mechanism is mostly set as the internal structure of the throttle station (protected by an external cover or box). Due to the limitations of product volume and on-board installation and operating space, it is necessary to disassemble the seat or other equipment to disassemble the entire throttle station before there is operating space to maintain the control force of the throttle station. Mechanical friction is inconvenient to adjust the friction, difficult to maintain, and poor portability. Summary of the invention

[0003] The purpose of the present invention is to overcome the above-mentioned shortcomings and provide a four-way parallel throttle lever operating force adjustment mechanism with a linkage locking device, which has a small size, compact structure, no attenuation of basic operating force, easy operating force adjustment, simple repair and maintenance, and reduced maintenance and repair labor costs.

[0004] The present invention discloses a four-way parallel throttle lever operating force adjustment mechanism with a linkage locking device, comprising a locking rod, a push rod A, a push rod B, a push rod C, a push rod D, a friction locking force adjustment mechanism, a support shaft a, and a support shaft b, and is characterized in that the locking rod, the push rod A, the push rod B, the push rod C, the push rod D, and the upper end of the friction locking force adjustment mechanism are respectively connected to the support shaft b, and the lower end of the friction locking force adjustment mechanism is installed on the support shaft a.

[0005] The friction locking force adjustment mechanism is composed of screws, rivets A, studs, cotter pins, positioning rings, support plates a, rivets B, pull rods, support plates b, disc spring groups, sliders, spherical bearings, shafts, arc-shaped friction plates, bearings, gears with friction rings, brackets, springs, rivets C, large disc spring groups, friction plates, friction rings, fixed nut plates, gears B and gears C. The screws are riveted to the studs through rivet A, the studs pass through the positioning rings and springs and are screwed into the brackets, cotter pins are inserted into the studs to limit the position, the springs squeeze the positioning rings, the gears arranged below the positioning rings are meshed with the gears arranged above the brackets, rivets C pass through the U-shaped grooves on the positioning rings and are inserted into the studs, the studs are riveted to the pull rods through rivets B, the pull rods are covered with disc spring groups and penetrate into the sliders, the arc-shaped friction plates are placed on the spherical bearings and are clamped into the sliders and inserted into the shafts for articulation. The supporting shaft a is connected with several gears with friction rings through bearings, the arc-shaped friction plate contacts the arc surface of the gears with friction rings, the slider contacts the slide groove set on the supporting plate b, the gears with friction rings mesh with the gears on the push rod A, the locking rod is fixedly connected with the gear B, the gear B is connected with the supporting shaft b through bearings, the gear B meshes with the gear C, the center of the gear C is a threaded structure, the fixed nut plate is threadedly connected with the gear C, the gear C can rotate relatively smoothly around the fixed nut plate through the thread pair, the fixed nut plate, the gear C, the large disc spring group, and the friction plate are installed on the supporting shaft a, the friction ring is installed between several gears with friction rings, the gears fixedly connected under the push rods A, B, C, and D are respectively meshed with several gears with friction rings, and the rivet C can move up and down in the U-shaped groove on the positioning ring.

[0006] The gear with friction ring is sector-shaped.

[0007] The gear B is sector-shaped.

[0008] The gear C is sector-shaped.

[0009] Compared with the prior art, the present invention has obvious beneficial effects; it can be known from the above technical scheme that the locking rod, push rod A, push rod B, push rod C, push rod D, and the upper end of the friction locking force adjustment mechanism are respectively connected to the support shaft b, and the lower end of the friction locking force adjustment mechanism is installed on the support shaft a. The screw is riveted to the stud through rivet A, the stud passes through the positioning ring and the spring and is screwed into the bracket, the cotter pin is inserted into the stud to limit the position, the spring squeezes the positioning ring, the gear set below the positioning ring is meshed with the gear set above the bracket, the rivet C passes through the U-shaped groove on the positioning ring, the stud and the pull rod are riveted through rivet B, the disc spring group on the pull rod is inserted into the slider, the arc-shaped friction plate is placed on the joint bearing and stuck in the slider and inserted into the shaft for hinge, the support shaft a is connected to a number of gears with friction rings through the bearing, the arc-shaped friction plate contacts the arc surface of the gear with friction ring, the slider contacts the slide groove set on the support plate b, the gear with friction ring is meshed with the gear on the push rod A, The locking rod is fixedly connected to gear B, gear B is connected to support shaft b through a bearing, gear B is meshed with gear C, the center of gear C is a threaded structure, the fixed nut plate is threadedly connected to gear C, gear C can rotate relatively smoothly around the fixed nut plate through a thread pair, the fixed nut plate, gear C, large disc spring group, friction plate are installed on support shaft a, the friction ring is installed between several gears with friction rings, the gears fixedly connected below push rods A, push rods B, push rods C, and push rods D are respectively meshed with several gears with friction rings, and rivet C can move up and down in the U-shaped groove on the positioning ring. The relative positions of the four support shafts a, support shafts b, support plates a, and support plates b are fixed and connected to the platform structure on the throttle platform. When the screwdriver adjustment screw is rotated, the disc spring group will be driven by the pull rod to squeeze the slider along the direction of the support plate b slide groove, and the force on the disc spring group will act on the arc friction plate and the gear with friction ring. The friction force of meshing with the gear with friction ring is changed. The adjustment and control of the operating force of push rod A is realized. The four-way assembly realizes the independent adjustment of the operating force of push rod A, push rod B, push rod C, and push rod D. The locking rod is in the stop position in the pulling direction, the parts on the support shaft a are in contact with each other, and the disc springs in the large disc spring group are not deformed or compressed. When the locking handle is pushed (pushed to the stop position), the gear drives the gear to rotate, and the gear C moves along the thread pair of the fixed nut plate in the X+ direction. The large disc spring group squeezes the friction plate at this time. At this time, the friction ring gears between the push rods A, B, C, and D of the damping adjustment mechanism are all locked together by the extrusion force under the action of adjusting the friction ring. Because they are connected with the gears on the push rods A, B, C, and D, the fixed push rods A, B, C, and D are locked at the same time. It realizes small size, compact structure, no attenuation of basic operating force, easy adjustment of operating force, simple maintenance, reduced maintenance, and low maintenance labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 The structure of the present invention is schematically shown in FIG. Figure 1 ; Figure 2 The structure of the present invention is schematically shown in FIG. Figure 2 ; Figure 3 The structure diagram of the push rod A, support shaft a and support shaft b of the present invention is shown in FIG. Figure 1 ; Figure 4 The structure diagram of the push rod A, support shaft a and support shaft b of the present invention is shown in FIG. Figure 2 ; Figure 5 It is a partial cross-sectional view of the friction locking force adjustment mechanism of the present invention; Figure 6 It is a structural schematic diagram of the locking rod, the friction locking force adjustment mechanism, the support shaft a and the support shaft b of the present invention.

[0011] Marking in the figure 1. Locking rod, 2. Push rod A, 3. Push rod B, 4. Push rod C, 5. Push rod D, 6. Friction locking force adjustment mechanism, 7. Support shaft a, 8. Support shaft b, 101. Screw, 102. Rivet A, 103. Stud, 104. Split pin, 105. Positioning ring, 106. Support plate a, 107. Rivet B, 108. Pull rod, 109. Support plate b, 110. Disc spring assembly, 111. Slider, 112. Spherical bearing, 113. Shaft, 114. Arc friction plate, 115. Bearing, 116. Gear with friction ring, 117. Bracket, 118. Spring, 119. Rivet C, 201. Large disc spring assembly, 202. Friction plate, 203. Friction ring, 204. Fixed nut plate, 205. Gear B, 206. Gear C. DETAILED DESCRIPTION

[0012] The specific implementation methods, structures, features and functions of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0013] The purpose of the present invention and the solution of its main technical problems are achieved by adopting the following technical solutions: The present invention discloses a four-way parallel throttle lever operating force adjustment mechanism with a linkage locking device, comprising a locking rod 1, a push rod A2, a push rod B3, a push rod C4, a push rod D5, a friction locking force adjustment mechanism 6, a support shaft a7, and a support shaft b8, and is characterized in that the locking rod 1, the push rod A2, the push rod B3, the push rod C4, the push rod D5, and the upper ends of the friction locking force adjustment mechanism 6 are respectively connected to the support shaft b8, and the lower end of the friction locking force adjustment mechanism 6 is installed on the support shaft a7.

[0014] The friction locking force adjustment mechanism 6 is composed of a screw 101, a rivet A102, a stud 103, a cotter pin 104, a positioning ring 105, a support plate a106, a rivet B107, a pull rod 108, a support plate b109, a disc spring group 110, a slider 111, a spherical bearing 112, a shaft 113, an arc-shaped friction plate 114, a bearing 115, a gear with a friction ring 116, a bracket 117, a spring 118, a rivet C119, a large disc spring group 201, a friction plate 202, a friction ring 203, a fixed nut plate 204, a gear B205, and a gear C206. The screw 101 is riveted to the stud 103 through the rivet A102, the stud 103 passes through the positioning ring 105 and the spring 118 and is screwed into the bracket 117, and the stud 103 is inserted into the opening The pin 104 is limited, the spring 118 squeezes the positioning ring 105, the gear set under the positioning ring 105 is meshed with the gear set on the bracket 117, the rivet C119 passes through the U-shaped groove on the positioning ring 105 and is inserted into the stud 103, the stud 103 and the pull rod 108 are riveted by the rivet B107, the pull rod 108 is covered with the disc spring group 110 and penetrates the slider 111, the arc friction plate 114 is placed on the joint bearing 112 and is inserted into the slider 111 and hinged with the shaft 113, the support shaft a7 is connected with a plurality of friction ring gears 116 through the bearing 115, the arc friction plate 114 is in contact with the arc surface of the friction ring gear 116, the slider 111 is in contact with the slide groove set on the support plate b109, and the friction ring gear 116 is meshed with the gear on the push rod A2, The locking rod 1 is fixedly connected to the gear B205, the gear B205 is connected to the support shaft b8 through a bearing, the gear B205 is meshed with the gear C206, the center of the gear C206 is a threaded structure, the fixed nut plate 204 is threadedly connected to the gear C206, the gear C206 can rotate relatively smoothly around the fixed nut plate 204 through a thread pair, the fixed nut plate 204, the gear C206, the large disc spring group 201, and the friction plate 202 are installed on the support shaft a7, the friction ring 203 is installed between several gears 116 with friction rings, the gears fixedly connected below the push rods A2, B3, C4, and D5 are respectively meshed with several gears 116 with friction rings, the rivet C119 can move up and down in the U-shaped groove on the positioning ring 105, the gear 116 with friction ring is fan-shaped, the gear B205 is fan-shaped, and the gear C206 is fan-shaped.

[0015] When used; see Figure 1The relative positions of the support shaft a7, the support shaft b8, the support plate a106 and the support plate b109 are fixed and connected to the platform structure on the throttle platform. When the screw is adjusted by a screwdriver, the disc spring group 110 will be driven by the pull rod 108 to squeeze the slider 111 along the direction of the slide groove of the support plate b109, and the force of the disc spring group 110 will act on the arc friction plate 114 and the gear 116 with friction ring, so as to change the size of the friction force of the meshing with the gear 116 with friction ring, thereby realizing the adjustment and control of the operating force of the push rod A2. The four-way component realizes the single-shot independent adjustment of the operating force of push rod A2, push rod B3, push rod C4, and push rod D5. The locking rod 1 is in the stop position in the pulling direction, the parts on the support shaft a7 are in contact with each other, and the disc springs in the large disc spring group 201 are not deformed or compressed. When the handle of the locking rod 1 is pushed (pushed to the stop position), the gear B205 drives the gear C206 to rotate, and the gear C206 moves in the X+ direction along the thread pair of the fixed nut plate 204. The large disc spring group 201 squeezes the friction plate 202 at this time. At this time, several gears 116 with friction rings are all locked together by the extrusion force under the action of adjusting the friction ring 203. Because they are connected with the gears on the push rods A2, B3, C4, and D5, the fixed push rods A2, B3, C4, and D5 are locked at the same time.

[0016] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification, equivalent change and modification made to the above embodiment according to the technical essence of the present invention without departing from the technical solution of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. A four-way parallel throttle lever operating force adjustment mechanism with a linkage locking device, comprising a locking rod (1), a push rod A (2), a push rod B (3), a push rod C (4), a push rod D (5), a friction locking force adjustment mechanism (6), a support shaft a (7), and a support shaft b (8), characterized in that: The support shaft b (8) is respectively connected with a locking rod (1), a push rod A (2), a push rod B (3), a push rod C (4), a push rod D (5), and the upper end of a friction locking force adjustment mechanism (6), and the lower end of the friction locking force adjustment mechanism (6) is mounted on the support shaft a (7).

2. The four-way parallel throttle lever operating force adjustment mechanism with a linkage locking device as claimed in claim 1, characterized in that; The friction locking force adjustment mechanism (6) comprises a screw (101), a rivet A (102), a stud (103), a cotter pin (104), a positioning ring (105), a support plate a (106), a rivet B (107), a pull rod (108), a support plate b (109), a disc spring assembly (110), a slider (111), a spherical bearing (112), a shaft (113), an arc-shaped friction plate (114), a bearing (115), a gear with a friction ring ( 116), a bracket (117), a spring (118), a rivet C (119), a large disc spring assembly (201), a friction plate (202), a friction ring (203), a fixed nut plate (204), a gear B (205), and a gear C (206). The screw (101) is riveted to the stud (103) through the rivet A (102). The stud (103) passes through the positioning ring (105) and the spring (118) and is screwed into the bracket (117). The stud (1 03) is inserted into the split pin (104) to limit the position, the spring (118) squeezes the positioning ring (105), the gear set below the positioning ring (105) meshes with the gear set on the bracket (117), the rivet C (119) passes through the U-shaped groove on the positioning ring (105) and is inserted into the stud (103), the stud (103) and the pull rod (108) are riveted by the rivet B (107), the pull rod (108) is covered with the disc spring assembly (110) and inserted into the slider ( 111), the arc-shaped friction plate (114) is placed on the joint bearing (112) and inserted into the slider (111) and hinged with the shaft (113), the support shaft a (7) is connected to a plurality of gears with friction rings (116) through the bearing (115), the arc-shaped friction plate (114) contacts the arc surface of the gears with friction rings (116), the slider (111) contacts the slide groove set on the support plate b (109), and the gears with friction rings (116) mesh with the gears on the push rod A (2), The locking rod (1) is fixedly connected to the gear B (205), the gear B (205) is connected to the support shaft b (8) through a bearing, the gear B (205) is meshed with the gear C (206), the center of the gear C (206) is a threaded structure, the fixed nut plate (204) is threadedly connected to the gear C (206), the gear C (206) can rotate relatively smoothly around the fixed nut plate (204) through a thread pair, the fixed nut plate (204), the gear C (206), the large disc spring group (201), and the friction plate (202) are installed on the support shaft a (7), the friction ring (203) is installed between a plurality of gears with friction rings (116), the gears fixedly connected below the push rod A (2), the push rod B (3), the push rod C (4), and the push rod D (5) are respectively meshed with the plurality of gears with friction rings (116), and the rivet C (119) can move up and down in the U-shaped groove on the positioning ring (105).

3. The four-way parallel throttle lever operating force adjustment mechanism with a linkage locking device as claimed in claim 2, characterized in that; The friction ring gear (116) is sector-shaped.

4. The four-way parallel throttle lever operating force adjustment mechanism with a linkage locking device as claimed in claim 2, characterized in that; The gear B (205) is sector-shaped.

5. The four-way parallel throttle lever operating force adjustment mechanism with a linkage locking device as claimed in claim 2, characterized in that; The gear C (206) is sector-shaped.

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