Tight connection aviation gear assembly

Abstract

The utility model relates to the technical field of gears, in particular to a tightly-connected aviation gear assembly which comprises a gear body, a shaft hole formed in the center of the gear body and a connecting shaft arranged in the shaft hole, and vertical guide rails are symmetrically arranged on the two end faces of the gear body and located on the two sides of the shaft hole. A first clamping block and a second clamping block are symmetrically arranged at the two ends of the shaft hole, both the first clamping block and the second clamping block are in sliding connection with the guide rail and get close to or away from each other along the guide rail, first connecting blocks are arranged on the two sides of the first clamping block, second connecting blocks are arranged on the two sides of the second clamping block, nuts are arranged on the first connecting blocks, and bolts are arranged on the second connecting blocks. One end of the bolt penetrates through the second connecting block and the first connecting block to be in threaded connection with the nut, the first clamping block and the second clamping block are provided with clamping grooves which are matched with the outer surface of the connecting shaft and are of a semicircular structure, the gear and the connecting shaft are tightly and firmly installed, the integrity is good, and it is guaranteed that power transmission is stable and efficient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gear technical field, specifically is closely connected aviation gear assembly. BACKGROUND

[0002] Gear is a kind of mechanical element, usually used to transmit power and movement, is the most widely used mechanical transmission mode, its transmission is more accurate, high efficiency, compact structure, reliable operation, long service life, thus make in the field of aerospace has extremely high value, gear is installed on the rotating shaft, is driven by shaft rotating, thus gear needs to be closely firm between rotating shaft, to ensure the smooth and efficient power transmission, to ensure the stability and reliability of transmission system, to reduce the occurrence of failure. SUMMARY

[0003] The utility model provides a closely connected aviation gear assembly for above-mentioned defects, and the installation of gear and connecting shaft is closely firm, and the integrity is good, to ensure the smooth and efficient power transmission.

[0004] The utility model discloses a closely connected aviation gear assembly, including gear main part, the axle hole of being set in the center place of gear main part and the connecting axle of being set in the axle hole inside, gear main part both ends, the both sides symmetry of axle hole are provided with the guide rail of vertical state, the both ends symmetry of axle hole are provided with first clamping block and second clamping block, first clamping block and second clamping block all with guide rail sliding connection, and along guide rail mutually close or far away, first clamping block both sides are provided with first connecting block, second clamping block both sides are provided with second connecting block, be provided with nut on first connecting block, be provided with bolt on second connecting block, the one end of bolt penetrates second connecting block, first connecting block and nut screw connection, first clamping block, second clamping block are set up the clamping groove of the semicircle structure that matches with the outer surface of connecting axle on axle hole.

[0005] Further, the first clamping block and the second clamping block are annularly provided with a receiving hole, one end of the receiving hole close to the clamping groove is provided with a through hole for connecting the receiving hole and the clamping groove, a jack is arranged in the receiving hole, one end of the jack extends into the clamping groove through the through hole, a sliding block is arranged on the jack in the receiving hole, the sliding block is slidably connected with the inner wall of the receiving hole, a spring is sleeved on the jack in the receiving hole, one end of the spring abuts against the sliding block, and the other end abuts against the inner wall of the receiving hole.

[0006] Further, the clamping end of the jack is in an arc structure.

[0007] Further, the inner diameter of the through hole is smaller than the inner diameter of the receiving hole.

[0008] The utility model discloses beneficial effect is:

[0009] The utility model discloses the cooperation setting of guide rail, first clamping block, second clamping block, first connecting block, second connecting block, nut, bolt, clamping groove, first clamping block second clamping block can only reciprocate horizontally on gear main body through guide rail, and first clamping block, second clamping block are in abutment with the outer surface of connecting shaft through clamping groove, and the cooperation of bolt and nut makes first connecting block, second connecting block form locking, makes first clamping block, second clamping block form the clamping force to connecting shaft, and the connection between gear main body and connecting shaft is more closely firm, and the integrity is better, to ensure the stability and high efficiency of power transmission. BRIEF DESCRIPTION OF DRAWINGS

[0010] The foregoing and other objects, features and advantages of the utility model will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.

[0011] Fig. 1 It is the front view of the utility model.

[0012] Fig. 2 It is the first clamping block sectional view of the utility model.

[0013] Fig. 3 It is the first clamping block plan view of the utility model.

[0014] Wherein: 1, gear main body;101, axle hole;2, connecting shaft;3, guide rail;4, first clamping block;401, first connecting block;5, second clamping block;501, second connecting block;6, nut;7, bolt;8, clamping groove;901, accommodating hole;902, through -hole;903, top rod;904, sliding block;905, spring. DETAILED DESCRIPTION

[0015] The utility model will be further explained in conjunction with the drawings.

[0016] Referring to Figs. 1-3As shown, the close connection aviation gear assembly, including gear body 1, the shaft hole 101 is opened in the center of gear body 1, and the connecting shaft 2 is arranged inside the shaft hole 101, the connecting shaft 2 and the shaft hole 101 can be interference fit, the two end faces of the gear body 1 are symmetrically provided with the guide rail 3 in the vertical state on both sides of the shaft hole 101, the both ends of the shaft hole 101 are symmetrically provided with the first clamping block 4 and the second clamping block 5, the first clamping block 4 and the second clamping block 5 are all in sliding connection with the guide rail 3, and are away from or close to each other along the guide rail 3, the guide rail 3 guides and limits the moving direction of the first clamping block 4 and the second clamping block 5, so that they can only reciprocate horizontally on the gear body 1, the first connecting block 401 is arranged on both sides of the first clamping block 4, the second connecting block 501 is arranged on both sides of the second clamping block 5, the nut 6 is arranged on the first connecting block 401, the bolt 7 is arranged on the second connecting block 501, one end of the bolt 7 penetrates through the second connecting block 501, the first connecting block 401 and is in threaded connection with the nut 6, the clamping groove 8 with semicircular structure matched with the outer surface of the connecting shaft 2 is opened in the first clamping block 4 and the second clamping block 5, through the cooperation of the bolt 7 and the nut 6, the first connecting block 401 and the second connecting block 501 are close to each other and are locked, the clamping groove 8 of the first clamping block 4 and the second clamping block 5 is in abutment with the outer surface of the connecting shaft 2, the connecting shaft 2 is clamped and fixed, the connecting shaft 2, the first clamping block 4 and the second clamping block 5 are locked, and are limited by the guide rail 3, further making the connection between the connecting shaft 2 and the gear body 1 more close and firm, making the whole better, to ensure the stability and efficiency of power transmission.

[0017] The first clamping block 4 and the second clamping block 5 are internally annularly provided with a containing hole 901, the containing hole 901 is provided with a through hole 902 near one end of the containing hole 901, the through hole 902 is communicated with the containing hole 901, the inner diameter of the through hole 902 is smaller than the inner diameter of the containing hole 901, the containing hole 901 is internally provided with a jacking rod 903, one end of the jacking rod 903 extends to the inside of the clamping groove 8 through the through hole 902, the clamping end of the jacking rod 903 is in an arc structure, the jacking rod 903 in the containing hole 901 is provided with a sliding block 904, the sliding block 904 is slidably connected with the inner wall of the containing hole 901, the through hole 902 is smaller than the containing hole 901, so that the sliding block 904 can stably slide in the containing hole 901, the jacking rod 903 in the containing hole 901 is provided with a spring 905, one end of the spring 905 abuts against the sliding block 904, and the other end of the spring 905 abuts against the inner wall of the containing hole 901, under the action of the spring 905, the jacking rod 903 moves to the inside of the clamping groove 8, with the first clamping block 4 and the second clamping block 5 abutting against the outer surface of the connecting shaft 2, the jacking rod 903 abuts against the outer surface of the connecting shaft, and the jacking rod 903 is extruded, the sliding block 904 is driven to slide to the inside of the containing hole 901, the spring 905 is extruded, and the spring 905 is elastically deformed, until the spring 905 cannot be continuously compressed, the reverse force of the spring 905 makes the jacking rod 903 firmly abut against the outer surface of the connecting shaft 2, so as to clamp and fix the outer surface of the connecting shaft 2, and prevent the jacking rod 903 from damaging the outer surface of the connecting shaft 2 due to excessive clamping force.

[0018] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any simple modification or equivalent change based on the technical essence of the present application to the above embodiment falls within the protection scope of the present application.

Claims

1. A closely connected aero gear assembly, comprising a gear body (1), a shaft hole (101) opened at the center of the gear body (1), and a connecting shaft (2) arranged inside the shaft hole (101), characterized in that: The gear body (1) two end faces, located on both sides of the shaft hole (101) symmetrically arranged in vertical state guide rail (3), the shaft hole (101) both ends symmetrically arranged with the first clamp (4) and the second clamp (5), the first clamp (4) and the second clamp (5) are all with guide rail (3) sliding connection, and along the guide rail (3) each other close or away, the first clamp (4) both sides are provided with the first connecting block (401), the second clamp (5) both sides are provided with the second connecting block (501), the first connecting block (401) is provided with nut (6), the second connecting block (501) is provided with bolt (7), one end of the bolt (7) penetrates the second connecting block (501), the first connecting block (401) and the nut (6) are screwed, the first clamp (4), the second clamp (5) are provided with clamping groove (8) that the half circle structure of the outer surface of the connecting shaft (2) is matched on, in the first clamp (4), the second clamp (5) inside annularly is provided with containing hole (901), containing hole (901) is close to the one end of clamping groove (8) and is provided with through hole (902) that containing hole (901) is connected with clamping groove (8), containing hole (901) is provided with the top rod (903) inside, one end of the top rod (903) penetrates through the through hole (902) and extends to the inside of clamping groove (8), the top rod (903) inside containing hole (901) is provided with sliding block (904), the sliding block (904) is connected with the inner wall of containing hole (901) slidingly, the top rod (903) inside containing hole (901) is provided with spring (905), one end of the spring (905) is in abutment with sliding block (904), the other end is in abutment with the inner wall of containing hole (901).

2. The close coupled aero gear assembly of claim 1, wherein: The clamping end of the top rod (903) is arc-shaped structure.

3. The close coupled aero gear assembly of claim 1, wherein: The inner diameter of the through hole (902) is less than the inner diameter of the containing hole (901).

4. The close coupled aero gear assembly of claim 1, wherein: ​

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