Aviation gear with good working stability

Abstract

The utility model relates to the technical field of gears, in particular to an aviation gear with good working stability, which comprises a gear main body and a shaft body, a mounting hole is formed in the center of the gear main body, a plurality of limiting grooves are formed in the gear main body and matched with the mounting hole, limiting blocks are arranged on the outer surface of the shaft body in an equally divided circumference mode, and a mounting covered edge is arranged on the gear main body. Transverse limiting plates penetrating through the limiting blocks at the two ends of the mounting covered edge and the two ends of the shaft body are symmetrically arranged at the two ends of the mounting covered edge, vertical limiting plates penetrating through the limiting blocks at the two sides of the mounting covered edge and the two sides of the shaft body are symmetrically arranged at the two sides of the mounting covered edge, the two ends of each vertical limiting plate penetrate through the transverse limiting plates, and the two vertical limiting plates and the two transverse limiting plates form a rectangular structure; a first bolt is arranged at the corner where the transverse limiting plate and the vertical limiting plate are connected, the first bolt drives the transverse limiting plate, the vertical limiting plate and the gear body to be locked, connection between the gear and the shaft body is tight and firm, and power transmission is more stable, stable and reliable.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gear technical field, concretely is aviation gear of good work stability. 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, so that gear has extremely high value in aerospace field, gear needs to be closely and firmly installed on shaft body, otherwise in the process of gear transmission power, easy to slip and friction, cause the occurrence of failure, is the transmission system cannot work stably and reliably. CONTENT OF UTILITY MODEL

[0003] The utility model solves the technical problem to provide a kind of aviation gear of good work stability to the above-mentioned defects, the connection between gear and shaft body is closely and firmly, make the transmission of power more stable, stable, reliable.

[0004] The utility model discloses a kind of aviation gears of good work stability, including gear main body and shaft body, the gear main body center is equipped with the installation hole matched with shaft body, the gear main body is divided into circumference with installation hole as center and is equipped with multiple limit slots communicated with installation hole, the shaft body outer surface is divided into circumference and is equipped with the limit block matched with limit slot, the gear main body is provided with installation package edge along installation hole, limit slot periphery, the installation package edge both ends are symmetrically provided with the horizontal limit plate of limit block that penetrates installation package edge and the both ends of shaft body, the installation package edge both sides are symmetrically provided with the vertical limit plate of limit block that penetrates installation package edge and the both sides of shaft body, the vertical limit plate both ends respectively penetrate two horizontal limit plates, and extend to the outside of horizontal limit plate, two the vertical limit plate and two horizontal limit plate form rectangular structure, so the corner of the connection of horizontal limit plate and vertical limit plate is provided with first bolt, the first bolt drives horizontal limit plate, vertical limit plate and gear main body between formation lock.

[0005] Further, the limit block on the both ends of the shaft body is horizontally provided with the first through hole matched with the horizontal limit plate, the installation package edge on the both sides of the first through hole is provided with the second through hole on the same central axis as the first through hole, and the second through hole and the first through hole are communicated with each other.

[0006] Further, the limit block on the both sides of the shaft body is vertically provided with the third through hole matched with the vertical limit plate, the installation package edge on the both ends of the third through hole is provided with the fourth through hole on the same central axis as the third through hole, and the fourth through hole and the third through hole are communicated with each other.

[0007] Further, the transverse limiting plates and the vertical limiting plates are provided with positioning grooves in the first through hole and the third through hole, the limiting blocks are provided with connecting holes in the same central axis as the positioning grooves, the connecting holes and the positioning grooves are in communication, and the second bolts are arranged on the mounting flange and are in threaded connection with the connecting holes and the positioning grooves.

[0008] Further, the transverse limiting plates and the vertical limiting plates are provided with positioning grooves in the first through hole and the third through hole, the limiting blocks are provided with connecting holes in the same central axis as the positioning grooves, the connecting holes and the positioning grooves are in communication, and the second bolts are arranged on the mounting flange and are in threaded connection with the connecting holes and the positioning grooves.

[0009] The utility model discloses beneficial effect is:

[0010] The utility model discloses the cooperation of limiting slot, limiting block, mounting flange, transverse limiting plate, vertical limiting plate, first bolt, the cooperation of limiting slot and limiting block makes gear unable to form rotation along the axial direction of axle body, prevents gear and axle body and moves towards, and the cooperation of transverse limiting plate, vertical limiting plate and first bolt makes locking between a plurality of limiting blocks and mounting flange, and the cooperation makes the connection between gear and axle body more closely firm, and it is not easy to slide in the power transmission process, reduces the generation of abrasion, makes its power transmission more stable, stable and reliable. BRIEF DESCRIPTION OF DRAWINGS

[0011] The foregoing and other objects, features and advantages of the utility model will become more apparent from the following detailed description, which proceeds with reference to the accompanying drawings.

[0012] Fig. 1 It is the front view of the utility model.

[0013] Fig. 2 It is the structure schematic diagram of the utility model transverse limiting plate, vertical limiting plate and limiting block, mounting flange cooperation.

[0014] Fig. 3 The utility model gear main body front view.

[0015] Wherein: 1, gear main body;101, mounting hole;102, limiting slot;2, axle body;201, limiting block;3, mounting flange;4, transverse limiting plate;401, accommodating hole;5, vertical limiting plate;6, first bolt;701, first through hole;702, second through hole;801, third through hole;802, fourth through hole;901, positioning groove;902, connecting hole;10, second bolt. DETAILED DESCRIPTION

[0016] The utility model will be further described in connection with the drawings.

[0017] Reference Figs. 1-3The illustrated aviation gear with good working stability comprises a gear body 1 and a shaft body 2, the center of the gear body 1 is provided with a mounting hole 101 matched with the shaft body 2, a plurality of limiting grooves 102 communicated with the mounting hole 101 are arranged on the gear body 1 in equal division of the circumference with the mounting hole 101 as the center, the outer surface of the shaft body 2 is provided with limiting blocks 201 matched with the limiting grooves 102, the rotation of the gear body 1 on the shaft body 2 is limited by the cooperation of the limiting blocks 201 and the limiting grooves 102, the gear body 1 is prevented from moving towards the shaft body 2, and specifically, four limiting blocks 201 are arranged in equal division of the circumference on the outer surface of the shaft body 2.

[0018] The mounting hem 3 is arranged on the gear body 1 along the circumferential edge of the mounting hole 101 and the limiting groove 102, the front end face and the rear end face of the gear body 1 are both provided with the mounting hem 3, the transverse limiting plates 4 penetrating through the limiting blocks 201 at both ends of the mounting hem 3 and the shaft body 2 are symmetrically arranged at both ends of the mounting hem 3, the vertical limiting plates 5 penetrating through the limiting blocks 201 at both sides of the mounting hem 3 and the shaft body 2 are symmetrically arranged at both sides of the mounting hem 3, the gear body 1 is provided with the transverse limiting plates 4 and the vertical limiting plates 5 at both ends, the limiting blocks 201 and the mounting hem 3 are locked by the transverse limiting plates and the vertical limiting plates, the movement of the gear body 2 in the axial direction is further limited, the two vertical limiting plates 5 respectively penetrate through the two transverse limiting plates 3 and extend to the outside of the transverse limiting plate 4, the two vertical limiting plates 5 and the two transverse limiting plates 4 form a rectangular structure, the transverse limiting plate 4 is limited by the vertical limiting plate 5, the cooperation of the mounting hem 3 and the limiting block 201 is more stable, the four limiting blocks 201 are fixedly connected with the mounting hem 3 through the vertical limiting plate 5, the transverse limiting plate 4 and the mounting hem 3, the locking limiting effect is better, the first bolt 6 is arranged at the connecting corner of the transverse limiting plate 4 and the vertical limiting plate 5, the first bolt 6 drives the transverse limiting plate 4, the vertical limiting plate 5 and the gear body 1 to be locked, the first bolt 6 fixedly connects the transverse limiting plate 4, the vertical limiting plate 5 and the gear body 1 to limit the sliding of the gear body 1 in the axial direction and the circumferential direction, the cooperation of them makes the connection between the gear body 1 and the shaft body 2 more compact and firm, the sliding in the power transmission process is not easy to occur, the abrasion is reduced, the power transmission is more stable, stable and reliable.

[0019] The first through hole 701 matched with the transverse limiting plate 4 is horizontally arranged on the limiting block 201 at both ends of the shaft body 2, the second through hole 702 on the same central axis as the first through hole 701 is arranged on the mounting hem 3 at both sides of the first through hole 701, the second through hole 702 is communicated with the first through hole 701, the transverse limiting plate 4 penetrates through the second through hole 702 on one side of the mounting hem 3 to enter the first through hole 701 inside the limiting block, and then penetrates out of the second through hole of the mounting hem 3 on the other side.

[0020] The third through hole 801 is vertically formed on the limiting block 201 on both sides of the shaft body 2 and matches the vertical limiting plate 5, the fourth through hole 802 is formed on the mounting hem 3 at both ends of the third through hole 801 and matches the third through hole 801 on the same central axis, the fourth through hole 802 and the third through hole are in communication with each other, the containing hole 401 is formed on both sides of the two horizontal limiting plates 4 and matches the vertical limiting plate 5, the vertical limiting plate 5 is inserted into the third through hole 801 from the fourth through hole 802 at one end and then is taken out from the fourth through hole 802 at the other end to enter the containing hole 401, so that the mounting hem 3, the limiting block 201, the horizontal limiting plate 4 and the vertical limiting plate 5 are connected.

[0021] The positioning slot 901 is formed on the horizontal limiting plate 4 and the vertical limiting plate 5 in the first through hole 701 and the third through hole 801, the connecting hole 902 is formed on the limiting block 201 and matches the positioning slot 901 on the same central axis, the connecting hole 902 and the positioning slot 901 are in communication with each other, the second bolt 10 is arranged on the mounting hem 3, one end of the second bolt 10 is threadedly connected with the connecting hole 902 and the positioning slot 901, the second bolt 10 makes the connection between the limiting plate and the limiting block 201 more firm and stable, so that the limiting effect is better.

[0022] The above is only a preferred embodiment of the present application, and does not limit the present application in any form, any simple modification and equivalent change according to the technical essence of the present application to the above embodiment all fall within the protection scope of the present application.

Claims

1. An aviation gear with good working stability, comprising a gear body (1) and a shaft body (2), and a mounting hole (101) is arranged at the center of the gear body (1) and matched with the shaft body (2), characterized in that: The gear body (1) is equally divided in circumference by the mounting hole (101), and a plurality of limiting grooves (102) are arranged in the gear body (1) and communicated with the mounting hole (101); the outer surface of the shaft body (2) is equally divided in circumference by the limiting blocks (201) matched with the limiting grooves (102); the mounting hem (3) is arranged along the circumferential edge of the mounting hole (101) and the limiting groove (102) on the gear body (1); the horizontal limiting plates (4) are symmetrically arranged at both ends of the mounting hem (3) and penetrating the limiting blocks (201) at both ends of the mounting hem (3) and the shaft body (2); the vertical limiting plates (5) are symmetrically arranged at both sides of the mounting hem (3) and penetrating the limiting blocks (201) at both sides of the mounting hem (3) and the shaft body (2); the vertical limiting plates (5) are respectively penetrated at both ends of the horizontal limiting plates (4) and extended to the outside of the horizontal limiting plates (4); the two vertical limiting plates (5) and the two horizontal limiting plates (4) form a rectangular structure, so that the first bolts (6) are arranged at the connecting corners of the horizontal limiting plates (4) and the vertical limiting plates (5), and the first bolts (6) drive the horizontal limiting plates (4), the vertical limiting plates (5) and the gear body (1) to form locking. ​ 2. The aircraft gear with good working stability according to claim 1, characterized in that: The first through holes (701) are horizontally arranged on the limiting blocks (201) at both ends of the shaft body (2) and matched with the horizontal limiting plates (4); the second through holes (702) are arranged on the mounting hem (3) at both sides of the first through holes (701) and on the same central axis as the first through holes (701); and the second through holes (702) are communicated with the first through holes (701).

3. The aircraft gear with good working stability according to claim 2, characterized in that: The third through holes (801) are vertically arranged on the limiting blocks (201) at both sides of the shaft body (2) and matched with the vertical limiting plates (5); the fourth through holes (802) are arranged on the mounting hem (3) at both ends of the third through holes (801) and on the same central axis as the third through holes (801); and the fourth through holes (802) are communicated with the third through holes.

4. The aircraft gear with good working stability according to claim 3, characterized in that: The positioning grooves (901) are arranged on the horizontal limiting plates (4) and the vertical limiting plates (5) in the first through holes (701) and the third through holes (801); the connecting holes (902) are arranged on the limiting blocks (201) and on the same central axis as the positioning grooves (901); the connecting holes (902) are communicated with the positioning grooves (901); the second bolts (10) are arranged on the mounting hem (3); and one end of the second bolts (10) is penetrated into the connecting holes (902) and threadedly connected with the positioning grooves (901).

5. The aircraft gear with good working stability according to claim 1, characterized in that: The accommodating holes (401) are arranged on both sides of the horizontal limiting plates (4) and matched with the vertical limiting plates (5).

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