Connecting structure of planet carrier

Abstract

The utility model relates to the technical field of planet carriers, and discloses a planet carrier connecting structure which comprises a shaft end cover, a connecting shaft is arranged at one end of the shaft end cover, a plurality of reinforcing blocks are evenly arranged at the other end of the shaft end cover, the reinforcing blocks are jointly connected with a rear end cover, and a plurality of limiting mechanisms are arranged on the rear end cover. The limiting mechanism is connected with the reinforcing block in a clamped mode, the limiting mechanism and the reinforcing block are jointly connected with a screw, a plurality of shaft holes are formed in the shaft end cover and the rear end cover, and a wheel shaft is jointly connected to the corresponding shaft holes in the shaft end cover and the rear end cover in a clamped mode. The problems that the rear end cover is clamped on the reinforcing block through the limiting mechanism, the rear end cover is prevented from being separated from the shaft end cover, the stability of the frame body structure is guaranteed, the axle is clamped between the two end covers, and the installation difficulty is reduced are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to planetary carrier technical field, more specifically, it relates to a kind of connection structure of planetary carrier. BACKGROUND

[0002] Planetary carrier is used to install planetary gear, and it is one of main components of planetary gear transmission device, and it has great influence on load distribution between each planetary gear, and carrying capacity, noise and vibration of transmission device etc., since vibration exists in the running process of planetary gear, to ensure the stability of transmission between each gear, there is high requirement for the stability of planetary carrier connection structure.

[0003] At present, planetary carrier on market is usually double-end surface structure, and reinforcing block is arranged between two end surfaces, and end surface and reinforcing block are connected by screw, and screw can be worn or dropped due to vibration during long time use, thereby affecting the stability of planetary carrier structure, and planetary gear shaft is fixed between two end surfaces by interference connection, and it is difficult to install by using tool to press or knock into shaft hole. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a connection structure of planetary carrier which is stable in structure and easy to install.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of connection structure of planetary carrier, including shaft end cap, one end of the shaft end cap is connecting shaft, the other end of the shaft end cap is uniformly provided with several reinforcing blocks, several reinforcing blocks are jointly connected with rear end cover, several limiting mechanisms are arranged on the rear end cover, the limiting mechanism is clamped with reinforcing block, the limiting mechanism and reinforcing block are jointly connected with screw, several shaft holes are formed in the shaft end cap and the rear end cover, and wheel shaft is clamped in corresponding shaft holes of the shaft end cap and the rear end cover.

[0007] The utility model is further provided as follows: one end of the reinforcing block away from the shaft end cap is provided with connecting head, corresponding plug hole is formed in the rear end cover, the connecting head can be inserted with the plug hole, and the limiting mechanism is clamped with the connecting head.

[0008] The utility model is further provided as follows: the limiting mechanism includes spring, several installation grooves are uniformly formed in the rear end cover, the installation groove is arranged along the radial direction, the installation groove penetrates the plug hole, the spring is installed in the installation groove, limiting slot is formed in the connecting head, the limiting slot is arranged along the radial direction of the shaft end cap, the spring is connected with the clamping pin on the side away from the shaft center, and the clamping pin can be clamped with the limiting slot.

[0009] The utility model further sets up: the rear end cover is away from the side of axle end cover is equipped with a plurality of slide grooves, the slide groove is linked together with installation groove, the one end that spring links with the card pin is provided with the knob, the knob passes through the slide groove, extends to the outside of rear end cover.

[0010] The utility model further sets up: the screw passes through the connecting head and the card pin.

[0011] The utility model further sets up: the one end of wheel shaft is limit end, the other end of wheel shaft is fixed end, the limit end is conical table shape, the fixed end is four prismatic table shape, the small area end of limit end and fixed end respectively faces the both ends of wheel shaft, the axle hole on axle end cover is correspondingly set up four prismatic table shape, the axle hole on rear end cover is correspondingly set up conical table shape, limit end and fixed end are correspondingly clamped with both sides axle hole.

[0012] The utility model has the advantages of:

[0013] 1, a plurality of limiting mechanisms are arranged on the rear end cover, the pin of the limiting mechanism can be clamped into the connecting head of the reinforcing block along the radial direction, so that the rear end cover is clamped on the reinforcing block, and then the pin and the connecting head are fixed together through the screw, the fixing of the planet carrier body is realized, when the gear set operates, the pin is pressed outward under the action of centrifugal force, and the clamping state with the connecting head can be maintained at all times, that is, the screw does not affect the connection and fixing of the planet carrier, and the stability of the carrier body connection is ensured.

[0014] 2, one end of the wheel shaft is arranged as a limit end, and the other end is arranged as a fixed end, the fixed end is in the form of a four-prism table, and is correspondingly clamped with the axle hole on the axle end cover, so that the rear wheel shaft cannot rotate on the axle end cover after installation, and the fixing effect of the wheel shaft is ensured, and the limit end is in the form of a conical table, and the rear end cover is pressed on the limit end during installation, so that the wheel shaft is fixed between the two end covers, and the operation is simple and easy to install. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an embodiment structure schematic view of the utility model;

[0016] Figure 2 It is along Figure 1 It is the A-A line section view shown in the figure;

[0017] Figure 3 It is Figure 2 It is the B part enlarged view shown in the figure;

[0018] Figure 4 It is the front view of the axle end cover of the utility model;

[0019] Figure 5 It is the wheel shaft structure schematic view of the utility model;

[0020] In the figure: 1, shaft end cover; 11, shaft hole; 2, rear end cover; 21, mounting groove; 22, sliding groove; 23, insertion hole; 3, reinforcing block; 31, connecting head; 32, limiting groove; 4, limiting mechanism; 41, spring; 42, locking pin; 43, push block; 5, screw; 6, axle; 61, limiting end; 62, fixed end. DETAILED DESCRIPTION

[0021] It should be noted that the embodiments and features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with the embodiments.

[0022] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.

[0023] In the present application, unless otherwise specified, the directions used such as "up, down" are generally with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravitational direction; similarly, for the convenience of understanding and description, "left, right" are generally with respect to the left and right shown in the drawings; "inner, outer" refer to the inner and outer with respect to the contour of each component itself, but the above directional words are not used to limit the present application.

[0024] Please refer to Figures 1-5 The present application provides the following technical solutions:

[0025] A connecting structure of a planet carrier, comprising a shaft end cover 1, one end of the shaft end cover 1 being a connecting shaft, the other end of the shaft end cover 1 being uniformly provided with a plurality of reinforcing blocks 3, the plurality of reinforcing blocks 3 being commonly connected with a rear end cover 2, the rear end cover 2 being provided with a plurality of limiting mechanisms 4, the limiting mechanisms 4 being clamped with the reinforcing blocks 3, the limiting mechanisms 4 and the reinforcing blocks 3 being commonly connected with a screw 5, a plurality of shaft holes 11 being formed in the shaft end cover 1 and the rear end cover 2, and an axle 6 being commonly clamped in the corresponding shaft holes 11 of the shaft end cover 1 and the rear end cover 2.

[0026] The reinforcing block 3 is provided with a connecting head 31 at one end away from the shaft end cover 1, a plurality of insertion holes 23 are formed in the rear end cover 2, the connecting head 31 can be inserted into the insertion hole 23, the rear end cover 2 is installed at the same time to realize positioning, and the installation direction of the axle 6 is ensured to meet the requirements;

[0027] The limiting mechanism 4 comprises a spring 41, a plurality of installation grooves 21 are uniformly formed on the rear end cover 2, the installation grooves 21 are arranged in the radial direction, the installation grooves 21 penetrate the insertion holes 23, the spring 41 is installed in the installation grooves 21, a limiting groove 32 is formed through the connecting head 31, the limiting groove 32 is arranged in the radial direction of the shaft end cover, the spring 41 is connected with a locking pin 42 on the side away from the shaft center, when the rear end cover 2 is inserted on the connecting head 31, the locking pin 42 is pushed by the spring 41 and can pass through the limiting groove 32 along the installation groove 21, so that the connecting head 31 and the rear end cover 2 are fixed together, the screw 5 penetrates the connecting head 31 and the locking pin 42 to strengthen the connection;

[0028] When the gear set operates, the locking pin 42 is thrown to the outside under the action of centrifugal force, that is, the locking pin 42 can always be clamped between the rear end cover 2 and the limiting groove 32, so as to ensure the stability of the connection between the shaft end cover 1 and the rear end cover 2, and the stability of the planet carrier body structure is ensured.

[0029] A plurality of sliding grooves 22 are formed on the side of the rear end cover 2 away from the shaft end cover 1, the sliding grooves 22 are communicated with the installation grooves 21, one end of the locking pin 42 connected with the spring 41 is provided with a pushing block 43, the pushing block 43 extends to the outside of the rear end cover 2 through the sliding groove 22, when disassembly is needed, the screw 5 is unscrewed, the pushing block 43 is pulled to the side of the shaft center, the locking pin 42 is taken away from the limiting groove 32, so that the shaft end cover 1 and the rear end cover 2 are separated, and the disassembly is completed.

[0030] One end of the wheel shaft 6 is a limiting end 61, the other end of the wheel shaft 6 is a fixed end 62, the limiting end 61 is in the shape of a conical frustum, the fixed end 62 is in the shape of a quadrangular frustum, the small area ends of the limiting end 61 and the fixed end 62 respectively face the two ends of the wheel shaft 6, the shaft hole 11 on the shaft end cover 1 is correspondingly arranged in the shape of a quadrangular frustum, the shaft hole 11 on the rear end cover 2 is correspondingly arranged in the shape of a conical frustum, the limiting end 61 and the fixed end 62 are respectively clamped with the shaft holes 11 on the two sides;

[0031] When installation is performed, the fixed end 62 is clamped on the shaft hole 11 of the shaft end cover 1, at this time, the wheel shaft 6 cannot rotate on the shaft end cover 1, when the rear end cover 2 is installed, the shaft hole 11 on the rear end cover 2 is pressed on the limiting end 61, so that the wheel shaft 6 is pressed on the shaft end cover 1, that is, the fixation of the wheel shaft 6 can be realized, the operation is simple and the installation is easy.

[0032] Specifically, a plurality of limiting mechanisms 4 are arranged on the rear end cover 2, the locking pin 42 of the limiting mechanism 4 can be clamped into the connecting head 31 of the reinforcing block 3 in the radial direction, so as to clamp the rear end cover 2 on the reinforcing block 3, then the locking pin 42 and the connecting head 31 are fixed together through the screw 5, the fixation of the planet carrier body is realized, when the gear set operates, the locking pin 42 is pressed outward under the action of centrifugal force, and the clamping state with the connecting head 31 can always be maintained, that is, the screw 5 does not affect the connection and fixation of the planet carrier, and the stability of the body connection is ensured.

[0033] One end of the wheel shaft 6 is provided as a limiting end 61, and the other end is provided as a fixed end 62, the fixed end 62 is in the shape of a quadrangular prism, and is correspondingly clamped with the shaft hole 11 on the shaft end cover 1, so that the rear wheel shaft 6 cannot rotate on the shaft end cover 1 after installation, thereby ensuring the fixing effect of the wheel shaft 6, and the limiting end 61 is in the shape of a conical frustum, and the rear end cover 2 is installed by pressing on the limiting end 61, thereby fixing the wheel shaft 6 between the two end covers, which is simple to operate and easy to install.

[0034] Obviously, the above-described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0035] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise, and it will be further understood that the terms "comprising" and / or "including" when used in this specification, specify the presence of features, steps, operations, devices, components and / or combinations thereof.

[0036] It should be noted that the terms "first", "second", and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0037] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A connecting structure of a planet carrier, comprising a shaft end cover (1), characterized in that: One end of the shaft end cover (1) is connected to the shaft, and the other end of the shaft end cover (1) is uniformly provided with a plurality of reinforcing blocks (3), and the reinforcing blocks (3) are connected to the rear end cover (2), and the rear end cover (2) is provided with a plurality of limiting mechanisms (4), and the limiting mechanisms (4) are connected to the reinforcing blocks (3), and the limiting mechanisms (4) and the reinforcing blocks (3) are connected to the screws (5), and the shaft end cover (1) and the rear end cover (2) are provided with a plurality of shaft holes (11), and the shaft end cover (1) and the rear end cover (2) are connected to the shaft (6).

2. The connection structure of a planetary carrier according to claim 1, characterized in that: The reinforcing block (3) is provided with a connecting head (31) away from the shaft end cover (1), and the rear end cover (2) is provided with a plurality of insertion holes (23), and the connecting head (31) is inserted into the insertion hole (23), and the limiting mechanism (4) is connected to the connecting head (31).

3. The connection structure of a planetary carrier according to claim 2, characterized in that: The limiting mechanism (4) comprises a spring (41), and the rear end cover (2) is uniformly provided with a plurality of installation grooves (21), and the installation grooves (21) are arranged along the radial direction, and the installation grooves (21) penetrate the insertion hole (23), and the spring (41) is installed in the installation groove (21), and the connecting head (31) is provided with a limiting groove (32) penetratingly, and the limiting groove (32) is arranged along the radial direction of the shaft end cover, and the spring (41) is connected to the pin (42) away from the shaft, and the pin (42) is connected to the limiting groove (32).

4. The connection structure of a planetary carrier according to claim 3, characterized in that: The rear end cover (2) is provided with a plurality of sliding grooves (22) away from the shaft end cover (1), and the sliding grooves (22) are connected to the installation grooves (21), and the pin (42) is provided with a push block (43) connected to the spring (41), and the push block (43) penetrates the sliding groove (22) and extends to the outside of the rear end cover (2).

5. The connection structure of a planetary carrier according to claim 4, characterized in that: The screw (5) penetrates the connecting head (31) and the pin (42).

6. The connection structure of a planetary carrier according to claim 1, characterized in that: One end of the axle (6) is a limiting end (61), and the other end of the axle (6) is a fixed end (62), the limiting end (61) is a conical frustum, the fixed end (62) is a quadrangular frustum, the limiting end (61) and the fixed end (62) are respectively arranged at the two ends of the axle (6), the shaft hole (11) on the shaft end cover (1) is correspondingly provided as a quadrangular frustum, the shaft hole (11) on the rear end cover (2) is correspondingly provided as a conical frustum, and the limiting end (61) and the fixed end (62) are respectively connected to the shaft hole (11) on the two sides.

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