CN218440190U

CN218440190U - Adjustable rotary damping device

Info

Publication number: CN218440190U
Application number: CN202222048943.4U
Authority: CN
Inventors: 刘仁杰
Original assignee: Shanghai Daomi Technology Co ltd
Current assignee: Shanghai Daomi Technology Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2023-02-03
Anticipated expiration: 2032-08-05

Abstract

The abrasion-resistant block is provided with an arc-shaped notch corresponding to the rotating shaft body; the wear-resistant blocks are connected through a plurality of bolt and nut assemblies, the circular arc notches are folded to form a central hole, and the central hole is sleeved on a rod body tightly holding the rotating shaft, so that the rotating damping is formed. The utility model circumferentially limits the revolving shaft through the friction force generated by the folded wear-resisting blocks and the limiting plates, and prevents the revolving shaft from doing self-revolving motion during working; the bending plate can limit the wear-resistant block on the axis, so as to limit the axial movement of the rotating shaft and maintain the stability of the mechanism.

Description

Adjustable rotary damping device

Technical Field

The utility model belongs to the technical field of revolution mechanic and specifically relates to an adjustable gyration damping device.

Background

A rotating shaft is used in the rotating mechanism; for example, in a mechanical suspension arm, two sections of arm beams are rotatably connected through a slewing mechanism structure. When the rotating shaft is stressed, sometimes the structure of the rotating shaft is deformed due to the eccentricity of the gravity center of the goods carried by the mechanical suspension arm; and the rotating mechanism and the rotating shaft can rotate under the action of gravity, and cannot be effectively maintained at a certain fixed position, so that the normal use of the rotary mechanism and the rotating shaft is influenced.

Disclosure of Invention

The utility model discloses a solve current problem, aim at providing an adjustable gyration damping device.

In order to achieve the above object, the utility model adopts a technical scheme that two ends of the revolving shaft are arranged in the fixing holes of the revolving fixed block, and the revolving shaft comprises at least two wear-resistant blocks which are fixedly arranged, and the wear-resistant blocks are provided with arc-shaped notches corresponding to the body of the revolving shaft; the wear-resistant blocks are connected through a plurality of bolt and nut assemblies, the circular arc notches form a central hole after being folded, the central hole is sleeved on a rod body of the rotating shaft, and the rotating shaft is folded and tightly held, so that rotation damping is formed.

The extension section of the rotary shaft rod body extends out of the outer wall of the rotary fixing block, and the lower end face of the wear-resistant block is fixedly connected with the outer wall of the rotary fixing block.

The outer wall of the rotary fixing block is also fixedly provided with a vertical limiting plate, and the limiting plate is in contact with the side wall of the wear-resistant block to prevent the wear-resistant block from rotating.

The upper end of the limiting plate is further provided with a bending plate, and the bending plate is in contact with the upper end face of the wear-resistant block so as to limit the axial movement of the wear-resistant block.

The rotary fixing block is characterized by further comprising a bottom plate, the bottom plate is fixed on the outer wall of the rotary fixing block through bolts, and the lower end of the limiting plate is connected with the bottom plate; the center of the bottom plate is provided with a hole for the rotating shaft to pass through.

The wear-resistant blocks are provided with through bolt holes, and the bolt and nut assemblies respectively penetrate through the bolt holes to complete folding connection.

Wherein, the wear-resisting piece is two.

Compared with the prior art, the utility model has the advantages that the friction force generated by the folded wear-resistant blocks and the limiting plate are used for circumferentially limiting the revolving shaft, so as to prevent the revolving shaft from doing self-revolving motion during working; the bending plate can limit the wear-resistant block on the axis, so as to limit the axial movement of the rotating shaft and maintain the stability of the mechanism.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged fragmentary view taken at circle lines in FIG. 1;

referring to the attached drawings, the rotary fixing block 1, the rotary shaft 2, the cylindrical surface 2A, the limiting plate 3A, the bending plate 3B, the bottom plate 3C, the wear-resistant block 4, the central hole 4A, the bottom plate bolt 5 and the bolt-nut assembly 6 are arranged.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings.

Referring to fig. 1 and 2, fig. 1 and 2 show an embodiment of the present invention, a rotary fixing block 1 is connected to an end of a profile, two ends of a rotary shaft 2 are disposed in transverse notches of the rotary fixing block 1, and an extended section of an upper portion of the rotary shaft 2 extends out of an upper end outer wall of the rotary fixing block 1. The embodiment comprises two opposite wear-resistant blocks 4, and the lower end faces of the wear-resistant blocks 4 are fixed on the outer wall of the upper end of the rotary fixed block 1. The inner side wall of the wear-resistant block 4 is provided with a circular arc notch corresponding to the cylindrical surface 2A of the rotating shaft 2 and used for tightly holding the rod body of the rotating shaft 2. The wear-resistant blocks 4 are fixedly connected through two groups of bolt and nut assemblies 6, the two arc-shaped notches form a central hole 4A after being folded, and the central hole 4A is sleeved on the cylindrical surface 2A of the outer wall of the rod body of the rotating shaft 2 and tightly holds the cylindrical surface to form rotating damping.

Further, referring to fig. 2, the device also comprises a bottom plate 3C, a hole for the revolving shaft 2 to pass through is arranged in the center of the bottom plate 3C, the bottom plate 3C is fixed on the outer wall of the upper end of the revolving fixing block 1 through a bottom plate bolt 5, the lower ends of the two vertical limiting plates 3A are respectively connected with the bottom plate 3C, and the two limiting plates 3A are respectively contacted with the left outer side wall and the right outer side wall of the two wear-resistant blocks 4 so as to prevent the circumferential rotation of the wear-resistant blocks along with the loosening of the rotating shaft 2.

Furthermore, the upper end of the limiting plate 3A is also provided with a bent plate 3B, and the horizontal bent plate 3B is simultaneously contacted with the upper end face of the wear-resistant block 4 so as to limit the axial movement of the wear-resistant block along with the rotating shaft 2.

Furthermore, the wear-resistant blocks 4 are respectively provided with two corresponding bolt holes penetrating through the body, bolts and nuts respectively penetrate through the bolt holes to form a bolt and nut assembly 6, and the folding and locking of the central hole 4A are completed. When the rotating shaft 2 rotates, the limiting plate 3A limits the wear-resistant blocks 4 to rotate circumferentially, and a central hole 4A formed between the two wear-resistant blocks 4 is in contact with the cylindrical surface 2A of the rotating shaft 2 to generate static friction, so that rotation damping is formed. The tightness of the bolt and nut assembly 6 can be adjusted, and the bolt and nut assembly is used for changing the rotation damping and the static friction force.

The embodiments of the present invention have been described in conjunction with the accompanying drawings and examples, the structures of which are not intended to limit the present invention, and those skilled in the art can make modifications as required, and all changes and modifications within the scope of the appended claims are within the scope of protection.

Claims

1. The utility model provides an adjustable gyration damping device, the both ends of revolving axle are located in the gyration fixed block, its characterized in that: the abrasion-resistant block is provided with an arc notch corresponding to the rotating shaft rod body;

the wear-resistant blocks are connected through a plurality of bolt and nut assemblies, the circular arc notches are folded to form a central hole, and the central hole is sleeved on a rod body of the rotating shaft, so that the rotating damping is formed.

2. The adjustable slew damping device of claim 1 where: the extension section of the rotary shaft rod body extends out of the outer wall of the rotary fixing block, and the wear-resistant block is fixedly connected with the outer wall of the rotary fixing block.

3. The adjustable slew damping device of claim 1 where: and a limiting plate is also fixed on the outer wall of the rotary fixing block and is in contact with the side wall of the wear-resistant block so as to prevent the wear-resistant block from rotating.

4. An adjustable slew damping device as defined in claim 3 where: the upper end of the limiting plate is further provided with a bending plate, and the bending plate is in contact with the end face of the wear-resistant block so as to limit the axial movement of the wear-resistant block.

5. An adjustable slewing damping device according to claim 3 or 4, characterised in that: the lower end of the limiting plate is connected with the bottom plate; the center of the bottom plate is provided with a hole for the rotating shaft to pass through.

6. The adjustable slew damping device of claim 1 where: the wear-resisting piece is equipped with the bolt hole that runs through, and bolt nut subassembly passes the bolt hole respectively and accomplishes the connection of foldeing.

7. The adjustable slew damping device of claim 1 where: the number of the wear-resistant blocks is two.