CN210658518U

CN210658518U - Articulated shaft and frame connection structure and loader suitable for loader

Info

Publication number: CN210658518U
Application number: CN201921291235.5U
Authority: CN
Inventors: 贾方闻; 王孟; 赵桂裕; 张玉娥; 王辉东
Original assignee: LOVOL Engineering Machinery Group Co Ltd
Current assignee: Lovol Heavy Industry Group Co ltd
Priority date: 2019-08-09
Filing date: 2019-08-09
Publication date: 2020-06-02
Anticipated expiration: 2029-08-09

Abstract

The utility model relates to a articulated shaft and frame connection structure and loader suitable for loader, including the articulated shaft, the frame is passed at the both ends of articulated shaft, and articulated shaft one end is through first bolt and end cover fixed connection, end cover and frame fixed connection, the articulated shaft other end is provided with the baffle, the baffle passes through fastener and frame fixed connection and compresses tightly the terminal surface of articulated shaft, the utility model discloses a connection structure can effectively avoid dropping of articulated shaft to avoid the serious damage of loader.

Description

Articulated shaft and frame connection structure and loader suitable for loader

Technical Field

The utility model relates to a loader technical field, concretely relates to articulated shaft and frame connection structure and loader suitable for loader.

Background

The connecting structure of the articulated shaft and the frame is an important part in the loader and plays a role in connecting the front frame and the rear frame and steering. The reliability of the connection is directly related to the performance of the loader and the life safety of the driver. The hinge pin is a key component for connecting the front frame and the rear frame, and hinge failure can be caused if the hinge pin falls off in the working process of the loader. Therefore, how to effectively prevent the pin shaft from falling is very important.

At present the articulated round pin axle of loader passes through bolt and frame fixed connection, the inventor discovers, can produce tensile and torsional stress in the bolt inside when the loader jolts and turns to, can appear the bolt not hard up or cracked condition after a period of use, especially under the bad condition of axiality when the operating mode is abominable or assemble, the earlier that this kind of condition appears, the condition that the articulated round pin axle dropped will appear in the bolt damage, in case the articulated round pin axle drops, the loader will direct serious damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of above-mentioned prior art, provide an articulated shaft and frame connection structure suitable for loader, can effectively avoid because the articulated shaft that the bolt damage caused the condition that drops.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an articulated shaft and frame connection structure suitable for loader, includes the articulated shaft, the frame is passed at the both ends of articulated shaft, and articulated shaft one end is through first bolt and end cover fixed connection, end cover and frame fixed connection, the articulated shaft other end is provided with the baffle, the baffle passes through fastener and frame fixed connection and compresses tightly the terminal surface of articulated shaft.

Furthermore, the axis of the baffle and the axis of the hinge shaft are not on the same straight line, and the axis of the fastener is positioned on one side of the outer side surface of the hinge shaft.

Further, the fastener adopts the second bolt.

Furthermore, a sleeve is sleeved on the periphery of a screw rod section of the second bolt between the bottom surface of the baffle plate and the surface of the frame, and is used for preventing the second bolt from loosening.

Furthermore, the end part of the hinge shaft, which is positioned at one side of the baffle, is provided with an annular boss, one side end face of the annular boss is flush with the end face of the hinge shaft, and the other side end face of the annular boss is tightly contacted with the outer side face of the frame.

Furthermore, the end face of the hinged shaft is fixedly connected with the end cover through a first bolt, a first positioning ring is arranged between the peripheral side face of the end part of the hinged shaft, connected with the first bolt, at one end of the hinged shaft and the frame, and an O-shaped rubber sealing ring is arranged between the peripheral face of the first positioning ring and the peripheral face of the hinged shaft.

Furthermore, the articulated shaft is provided with a bearing, the two ends of the bearing are respectively provided with a second positioning ring and a third positioning ring, one end of the second positioning ring is contacted with the bearing, the other end of the second positioning ring is contacted with the end face of the first positioning ring, one end of the third positioning ring is contacted with the bearing, and the other end of the third positioning ring is contacted with the inner side face of the frame.

The utility model also discloses a loader adopts the articulated shaft and the connection structure of frame be applicable to the loader.

The utility model has the advantages that:

1. the utility model discloses a connection structure of articulated shaft and frame, articulated shaft one end are through first bolt and end cover fixed connection, and the other end is provided with the baffle, and the baffle passes through the fastener and compresses tightly the terminal surface of articulated shaft, even first bolt damages, the articulated shaft can utilize the end cover to avoid droing from one side direction, utilizes the baffle to avoid droing from the opposite side direction to avoided the articulated shaft to drop from the frame, avoided the loader to drop because of the articulated shaft and caused the phenomenon of serious damage.

2. The utility model discloses a connection structure of articulated shaft and frame, the cover has the sleeve on the second bolt, can prevent that the second bolt is not hard up to avoided making the baffle to lose effect because of not hard up of second bolt.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a schematic view of the embodiment of the present invention along the line A in FIG. 1;

the automobile frame comprises a hinge shaft 1, an annular boss 1-1, a frame 2, a first positioning ring 3, a first bolt 4, an end cover 5, a third bolt 6, a baffle 7, a second bolt 8, a sleeve 9, a bearing 10, a second positioning ring 11, a third positioning ring 12 and an O-shaped rubber sealing ring 13.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

For convenience of description, the words "upper" and "lower" in the present invention shall only be used to indicate correspondence with the upper and lower directions of the drawings themselves, and shall not limit the structure, but merely to facilitate the description of the present invention and simplify the description, and shall not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and shall not be construed as limiting the present invention.

As described in the background art, the hinge shaft of the existing loader is connected with the frame through the bolt, and after the bolt is damaged, the hinge shaft is easy to fall off from the frame, so that the loader is seriously damaged.

In embodiment 1 of an exemplary embodiment of the present application, as shown in fig. 1 to 2, a hinge shaft and frame connection structure for a loader includes a hinge shaft 1 and a frame 2, wherein two ends of the hinge shaft are a first end and a second end, respectively, and the frame is provided with a first mounting hole and a second mounting hole, respectively.

The both ends of articulated shaft penetrate respectively in first mounting hole and the second mounting hole, be provided with first retaining ring 3 between the outer periphery of first end of articulated shaft and the interior hole face of first mounting hole, be provided with O type rubber seal 13 between the outer periphery of first end of first retaining ring and articulated shaft for sealed butter makes the lubricated articulated shaft of butter, and the terminal surface of this first end of articulated shaft and the lateral surface looks parallel and level of frame, the terminal surface of articulated shaft first end pass through two first bolts 4 and end cover 5 fixed connection, the end cover passes through third bolt 6 and frame fixed connection, and the medial surface of end cover pastes tightly the setting with the lateral surface of frame and the terminal surface of articulated shaft first end.

The second end of the articulated shaft stretches out of the second mounting hole, the outer circumferential surface of the second end is provided with an annular boss 1-1, the outer side surface of the annular boss is flush with the end surface of the second end of the articulated shaft, and the inner side surface of the annular boss is tightly contacted with the outer side surface of the frame.

The frame that is located articulated shaft second end place one side is connected with baffle 7 through the fastener, the fastener adopts second bolt 8, and the second bolt is located one side of articulated shaft, the baffle adopts circular baffle, and the second bolt sets up with circular baffle is coaxial, and circular baffle is not on same straight line with the axis of articulated shaft.

And a sleeve 9 is sleeved on a bolt rod of the second bolt between the inner side surface of the baffle and the outer side surface of the frame and used for preventing the second bolt from loosening.

Install bearing 10 on the articulated shaft, the bearing inner circle is connected with articulated shaft interference fit, the bearing both sides are equipped with second holding ring 11 and third holding ring 12 of cover on the articulated shaft respectively, the partial terminal surface of inner circle of second holding ring one end and bearing pastes the close contact, and the other end pastes the close contact with the terminal surface of first holding ring, the one end of third holding ring pastes the close contact with the inner circle part of bearing, and the other end pastes the close contact with the medial surface of frame, has realized the location to the bearing position on the articulated shaft.

Adopt the articulated shaft of this embodiment and the connection structure of frame, because end cover and frame pass through third bolt fixed connection, first bolt damages the back, and the end cover can prevent that the articulated shaft from dropping from a side direction, and the other end of articulated shaft compresses tightly through the baffle, baffle and frame fixed connection, and the baffle can prevent that the articulated shaft from dropping from the direction of opposite side, and the connection structure of consequently this embodiment can effectively prevent dropping of articulated shaft, has avoided the serious damage of loader.

Example 2:

the embodiment discloses a loader, which adopts the connection structure of the articulated shaft and the frame, which is suitable for the loader, in the embodiment 1.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. The utility model provides an articulated shaft and frame connection structure suitable for loader, its characterized in that, includes the articulated shaft, the frame is passed at the both ends of articulated shaft, and first bolt and end cover fixed connection are passed through to articulated shaft one end, end cover and frame fixed connection, the articulated shaft other end is provided with the baffle, the baffle passes through fastener and frame fixed connection and compresses tightly the terminal surface of articulated shaft.

2. The hinge shaft to frame connection structure for a loader of claim 1, wherein the axis of said flap is not collinear with the axis of the hinge shaft, and the axis of the fastening member is located on one side of the outer side of the hinge shaft.

3. The hinge shaft to frame connection structure for a loader of claim 1, wherein said fastening member is a second bolt.

4. The hinge shaft to frame connection structure for a loader of claim 3, wherein the screw rod section of the second bolt between the bottom surface of the apron and the surface of the frame is peripherally sleeved with a sleeve for preventing the second bolt from loosening.

5. The hinge shaft and frame connecting structure for a loader of claim 1, wherein the hinge shaft has an annular projection at its end on the side of the flap, the end of the annular projection being flush with the end surface of the hinge shaft on one side and abutting against the outer side of the frame on the other side.

6. The hinge shaft and frame connecting structure for a loader of claim 1, wherein the end face of the hinge shaft is fixedly connected to the end cap by a first bolt, a first positioning ring is disposed between the outer circumferential side of the end portion of the hinge shaft connected to the first bolt and the frame, and an O-ring is disposed between the first positioning ring and the outer circumferential surface of the hinge shaft.

7. The structure according to claim 6, wherein said hinge shaft is provided with a bearing, said bearing is provided at both ends thereof with a second positioning ring having one end contacting with said bearing and the other end contacting with the end surface of said first positioning ring, and a third positioning ring having one end contacting with said bearing and the other end contacting with the inner side surface of said frame.

8. A loader characterized by employing the hinge shaft-frame joint structure for a loader according to any one of claims 1 to 7.