CN-224210948-U - Elbow support assembly and engineering machinery

Abstract

The application provides an elbow support assembly and engineering machinery, wherein the elbow support assembly comprises a support frame, a connecting arm and an elbow support, the connecting arm comprises a connecting section and a plurality of rotating sections, the first end of the connecting section can vertically slide and can swing up and down and is arranged on the support frame, the rotating section at the head end can be connected with the second end of the connecting section in a left-right rotating manner, the plurality of rotating sections can be connected with each other end to end in turn in a left-right rotating manner, and the elbow support is connected with the rotating section at the tail end in a sliding manner along the extending direction of the rotating section at the tail end. The elbow support assembly can allow the height of the elbow support, the pitching angle of the elbow support, the front and back positions of the elbow support and the left and right positions of the elbow support to be adjusted, and a driver can adjust the elbow support according to the height and the body weight of the driver so as to obtain a better support arm effect.

Inventors

• ZHONG XIANGJING
• JIA GAN
• LIU LIANJUN

Assignees

• 湖南三一华源机械有限公司

Dates

Publication Date

20260508

Application Date

20250630

Claims (10)

1. 1. An elbow rest assembly, comprising: a support frame; The connecting arm comprises a connecting section and a plurality of rotating sections, the first end of the connecting section can vertically slide and can swing up and down and is arranged on the support frame, the rotating section at the head end can be connected with the second end of the connecting section in a left-right rotating way, and the rotating sections can be connected end to end in turn in a left-right rotating way; And the elbow support is connected with the rotating section of the tail end in a sliding manner along the extending direction of the rotating section of the tail end.
2. 2. The elbow rest assembly according to claim 1, wherein the elbow rest assembly comprises, The connecting arm comprises two rotating sections, namely a first rotating section and a second rotating section; The first end of the first rotating section is rotationally connected with the second end of the connecting section, and the second end of the first rotating section is rotationally connected with the first end of the second rotating section; the elbow rest is connected with the second rotating section in a sliding manner along the extending direction of the second rotating section.
3. 3. An elbow rest assembly according to claim 2, wherein, The elbow rest comprises an installation part and a lifting part, wherein the lifting part is fixed on the installation part and is used for lifting an arm, and the installation part is provided with a first chute; The elbow rest assembly further comprises a sliding frame, the sliding frame comprises a mounting section and a sliding section, the mounting section is fixed to the second rotating section, and the sliding section stretches into the first sliding groove to be in sliding connection with the first sliding groove.
4. 4. An elbow rest assembly according to claim 3, wherein, The sliding frame further comprises a plurality of pulleys, and the pulleys are arranged on the sliding section and are in sliding fit with the first sliding groove.
5. 5. An elbow rest assembly according to claim 3, wherein, The lifting part is provided with a lifting wall, and the middle part of the lifting wall is sunken downwards relative to two sides in the transverse direction of the lifting part.
6. 6. An elbow rest assembly according to any one of claims 1-5, wherein, The surface of the support frame is provided with a second sliding groove which extends vertically, a sliding block is arranged in the second sliding groove, a stop part is arranged at the opening of the second sliding groove, and the stop part is used for stopping the sliding block; The first end of linkage segment is provided with connecting portion, connecting portion with the slider rotates to be connected.
7. 7. The elbow rest assembly according to claim 6, wherein the elbow rest assembly comprises, The connecting portion is arranged to be a screw, the connecting portion is screwed into the sliding block, and the sliding block and the connecting section can be fixed to the stopping portion.
8. 8. The elbow rest assembly according to claim 7, further comprising: And the operation part is arranged at one end of the connecting part, which is away from the sliding block, and is used for a user to operate the connecting part.
9. 9. The elbow rest assembly according to claim 6, wherein the elbow rest assembly comprises, The support frame is used for being arranged on one side of the seat; the second sliding groove is formed in one side, away from the seat, of the supporting frame.
10. 10. A construction machine, comprising: A cab provided with a seat; The elbow rest assembly of any one of claims 1-9, disposed on a side of the seat to lift a driver's arm with the elbow rest.

Description

Elbow support assembly and engineering machinery Technical Field The application relates to the technical field of engineering machinery, in particular to an elbow rest assembly and engineering machinery. Background The right armrest of the existing engineering machinery such as a road roller seat is provided with an elbow rest so as to lift the right arm of a driver. However, the right armrest in the prior art can only adjust the position of the elbow rest forward and backward and adjust the angle of the elbow rest up and down, but cannot adjust the position of the elbow rest left and right, and cannot meet the demands of drivers with different height and body types, so that improvement is necessary. Disclosure of utility model The application provides an elbow support assembly and engineering machinery, which can realize adjustment of the height of an elbow support, the pitching angle of the elbow support, the front and back positions of the elbow support and the left and right positions of the elbow support. In order to achieve the above purpose, the present application adopts the following technical scheme: The application provides an elbow support assembly which comprises a support frame, a connecting arm, an elbow support and an elbow support, wherein the connecting arm comprises a connecting section and a plurality of rotating sections, the first end of the connecting section can vertically slide and can swing up and down, the rotating section at the head end can be connected with the second end of the connecting section in a left-right rotating mode, the rotating sections can be connected with each other end to end in a left-right rotating mode, and the elbow support is connected with the rotating section at the tail end in a sliding mode along the extending direction of the rotating section at the tail end. As an alternative embodiment, the connecting arm comprises two rotating sections, a first rotating section and a second rotating section respectively; The first end of the first rotating section is rotationally connected with the second end of the connecting section, and the second end of the first rotating section is rotationally connected with the first end of the second rotating section; The elbow rest is connected to the second rotating section in a sliding manner along the extending direction of the second rotating section. As an alternative embodiment, the elbow rest comprises a mounting part and a lifting part, wherein the lifting part is fixed on the mounting part and is used for lifting an arm, and the mounting part is provided with a first chute; The elbow rest assembly further comprises a sliding frame, the sliding frame comprises a mounting section and a sliding section, the mounting section is fixed to the second rotating section, and the sliding section stretches into the first sliding groove to be in sliding connection with the first sliding groove. As an alternative embodiment, the sliding frame further comprises a plurality of pulleys, and the pulleys are arranged on the sliding section and are in sliding fit with the first sliding groove. As an alternative embodiment, the lifting part has a lifting wall, the middle of which is recessed downwards relative to the sides in the transverse direction of the lifting part. As an alternative implementation mode, a second sliding groove which extends vertically is formed in the surface of the supporting frame, a sliding block is arranged in the second sliding groove, a stop part is arranged at the opening of the second sliding groove, and the stop part is used for stopping the sliding block; the first end of linkage segment is provided with connecting portion, and connecting portion rotates with the slider to be connected. As an alternative embodiment, the connection is provided as a threaded rod, which is screwed into the slider, so that the slider and the connection section can be fixed to the stop. As an alternative embodiment, the elbow rest assembly further comprises: And the operation part is arranged at one end of the connecting part, which is away from the sliding block, and is used for a user to operate the connecting part. As an alternative embodiment, the support frame is used for being arranged at one side of the seat; the second chute is arranged on one side of the support frame, which is away from the seat. In a second aspect, the present application also provides a construction machine, including: A cab provided with a seat, and The elbow rest assembly according to any one of the above claims, wherein the elbow rest assembly is disposed at one side of the seat to lift the arm of the driver by using the elbow rest. According to the elbow support assembly, the first end of the connecting section can vertically slide and can be arranged on the support frame in an up-and-down swinging manner, the rotating section at the head end can be connected to the second end of the connecting section in a left-and-right rotating manner, t