CN218243220U

CN218243220U - Shock absorption frame

Info

Publication number: CN218243220U
Application number: CN202222668839.5U
Authority: CN
Inventors: 白让科; 刘文超
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-01-06
Anticipated expiration: 2032-10-10

Abstract

The utility model relates to the technical field of coal mining machines, in particular to a damping frame, which comprises a machine body, wherein rocker arms are respectively arranged on the left side and the right side of the machine body, cutting wheels are arranged on the rocker arms, and the lower sides of the rocker arms are connected with the damping frame; the shock-absorbing frame includes the backup pad, hydraulic column is installed to the lower extreme of backup pad, the piston rod is installed to the upper end of backup pad, the outside of piston rod is provided with damping spring, the upper end of piston rod is connected with the connecting plate, install the free bearing between connecting plate and the rocking arm, the pulley is installed to backup pad and fuselage laminating one side, the movable groove has been seted up to the junction of pulley and fuselage, constitutes the pulley through constituting by backup pad, hydraulic column, piston rod, damping spring, connecting plate, free bearing at this colliery for coal mining machine shock-absorbing frame, and piston rod and spring in the shock-absorbing frame cushion the rocking arm, reduce the amplitude of rocking arm to can prolong the life of parts such as mechanical gear, bearing.

Description

Shock absorption frame

Technical Field

The utility model relates to a coal-winning machine technical field specifically is a shock attenuation frame.

Background

The coal cutter is one of important devices for realizing mechanization and modernization of coal mine production, physical labor can be reduced, safety is improved, and the purposes of high yield, high efficiency and low consumption are achieved by mechanical coal mining.

When an existing coal mining machine is used for cutting coal underground, particularly when cutting teeth cut coal or rocks with high coal hardness, the coal mining machine can generate large vibration, the vibration force is mainly transmitted to a rocker arm by a roller of the coal mining machine, so that the rocker arm vibrates violently, the vibration amplitude is too large, the service life of parts such as a mechanical gear and a bearing is shortened, and the performance of the whole machine is influenced.

There is therefore a need for a shock absorbing mount that ameliorates the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shock attenuation frame to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a shock absorption frame comprises a machine body, wherein rocker arms are arranged on the left side and the right side of the machine body, cutting wheels are arranged on the rocker arms, and the lower sides of the rocker arms are connected with the shock absorption frame;

the damping frame comprises a supporting plate, a hydraulic column is installed at the lower end of the supporting plate, a piston rod is installed at the upper end of the supporting plate, a damping spring is arranged on the outer side of the piston rod, a connecting plate is connected to the upper end of the piston rod, a hinged support is installed between the connecting plate and the rocker arm, a pulley is installed on one side of the supporting plate, which is attached to the machine body, and a movable groove is formed in the joint of the pulley and the machine body.

As the utility model discloses preferred scheme, connected mode between rocking arm and the fuselage is for rotating to be connected, connected mode between cutting wheel and the rocking arm is for rotating to be connected.

As the utility model discloses preferred scheme, connected mode between backup pad and the fuselage is sliding connection, the quantity of hydraulic pressure post is two sets of in the shock attenuation frame, and is the symmetry and arranges.

As the utility model discloses preferred scheme, piston rod and damping spring's both ends respectively with backup pad and connecting plate fixed connection, piston rod and damping spring's quantity is two sets of in the shock attenuation frame, and is the symmetry and arranges.

As the utility model discloses preferred scheme, the piston rod passes through the free bearing and is connected with the rocking arm rotation, connected mode between pulley and the backup pad is for rotating and be connected.

As the utility model discloses preferred scheme, the pulley passes through movable groove and fuselage roll connection, the quantity of pulley and movable groove is two sets of, and is the symmetry and arranges.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, constitute the pulley by backup pad, hydraulic pressure post, piston rod, damping spring, connecting plate, free bearing through this colliery for coal-winning machine shock attenuation frame, when the cutting wheel produces vibrations in cutting the coal, the shock attenuation frame supports the rocking arm, and piston rod and spring in the shock attenuation frame cushion the shock attenuation to the rocking arm, reduce the amplitude of rocking arm to can prolong the life of parts such as mechanical gear, bearing.

Drawings

FIG. 1 is a schematic view of the supporting coal mining machine of the present invention;

fig. 2 is a side view of the coal mining machine of the present invention;

fig. 3 is the whole schematic view of the shock-absorbing mount of the present invention.

In the figure: 1. a body; 2. a rocker arm; 3. a cutting wheel; 4. a shock-absorbing mount; 401. a support plate; 402. a hydraulic column; 403. a piston rod; 404. a damping spring; 405. a connecting plate; 406. hinging seats; 407. a pulley; 5. a movable groove.

Detailed Description

The following description will be given in conjunction with the embodiments of the present invention clearly and completely, and obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the invention, a number of embodiments of the invention will be described more fully hereinafter with reference to the accompanying drawings, but which may be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided so as to render the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

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 invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes one or more of the associated listed items and all combinations.

In an embodiment, referring to fig. 1-3, the present invention provides a technical solution:

a shock absorption frame comprises a machine body 1, wherein the left side and the right side of the machine body 1 are respectively provided with a rocker arm 2, the rocker arms 2 are provided with cutting wheels 3, and the lower sides of the rocker arms 2 are connected with a shock absorption frame 4; the rocker arm 2 is in rotary connection with the machine body 1, the cutting wheel 3 is in rotary connection with the rocker arm 2, and a driving device of the cutting wheel 3 is arranged in the rocker arm 2; the driving device in the machine body 1 and the hydraulic column 402 run simultaneously, the driving device in the machine body 1 drives the rocker arm 2 to rotate, and the cutting wheel 3 rotates at a high speed to cut coal.

In this embodiment, referring to fig. 2 and 3, the shock absorbing frame 4 includes a supporting plate 401, a hydraulic column 402 is installed at the lower end of the supporting plate 401, a piston rod 403 is installed at the upper end of the supporting plate 401, a shock absorbing spring 404 is arranged outside the piston rod 403, a connecting plate 405 is connected to the upper end of the piston rod 403, a hinge base 406 is installed between the connecting plate 405 and the rocker arm 2, a pulley 407 is installed at one side of the supporting plate 401, which is attached to the body 1, and a movable groove 5 is formed at the connection position of the pulley 407 and the body 1; the support plates 401 are connected with the machine body 1 in a sliding mode, the number of the hydraulic columns 402 in the shock absorption frame 4 is two, the hydraulic columns are symmetrically arranged, and the hydraulic columns 402 can drive the support plates 401 to lift; two ends of the piston rod 403 and the damping spring 404 are respectively fixedly connected with the supporting plate 401 and the connecting plate 405, the number of the piston rod 403 and the damping spring 404 in the damping frame 4 is two, the piston rod 403 and the damping spring 404 are symmetrically arranged, and the damping spring 404 can buffer the rocker arm 2; the piston rod 403 is rotatably connected with the rocker arm 2 through a hinged support 406, the pulley 407 is rotatably connected with the support plate 401, and the pulley 407 can reduce the friction force between the support plate 401 and the body 1; the pulleys 407 are in rolling connection with the machine body 1 through the movable grooves 5, the pulleys 407 and the movable grooves 5 are in two groups and are symmetrically arranged, and the movable grooves 5 facilitate the pulleys 407 to move in the machine body 1; the cutting wheel 3 rotates at a high speed to cut coal, the cutting wheel 3 can vibrate in the coal cutting process, the damping frame 4 supports the rocker arm 2, the piston rod 403 and the damping spring 404 in the damping frame 4 buffer and damp the rocker arm 2, the amplitude of the rocker arm 2 is reduced, and therefore the service lives of parts such as mechanical gears and bearings can be prolonged.

The utility model discloses work flow: when the shock absorption frame for the coal mine mining machine designed by the scheme is used, the driving device in the machine body 1 and the hydraulic column 402 run simultaneously, under the condition that the connection mode between the rocker arm 2 and the machine body 1 is rotating connection, the driving device in the machine body 1 drives the rocker arm 2 to rotate, under the condition that the connection mode between the supporting plate 401 and the machine body 1 is sliding connection and the pulley 407 is in rolling connection with the machine body 1 through the movable groove 5, the supporting plate 401 ascends or descends along with the rotation of the rocker arm 2, after the position adjustment of the rocker arm 2 and the supporting plate 401 is completed, under the condition that the connection mode between the cutting wheel 3 and the rocker arm 2 is rotating connection, the cutting wheel 3 rotates at a high speed to cut coal, the cutting wheel 3 can generate vibration in the coal cutting process, the shock absorption frame 4 supports the rocker arm 2, the piston rod 403 and the shock absorption spring 404 in the shock absorption frame 4 absorb shock to the rocker arm 2 and reduce the amplitude of the rocker arm 2, so that the service life of parts such as a mechanical gear and a bearing can be prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shock attenuation frame, includes fuselage (1), its characterized in that: the left side and the right side of the machine body (1) are both provided with rocker arms (2), the rocker arms (2) are provided with cutting wheels (3), and the lower sides of the rocker arms (2) are connected with shock absorption frames (4);

shock attenuation frame (4) are including backup pad (401), hydraulic pressure post (402) are installed to the lower extreme of backup pad (401), piston rod (403) are installed to the upper end of backup pad (401), the outside of piston rod (403) is provided with damping spring (404), the upper end of piston rod (403) is connected with connecting plate (405), install free bearing (406) between connecting plate (405) and rocking arm (2), pulley (407) are installed to backup pad (401) and fuselage (1) laminating one side, movable groove (5) have been seted up to pulley (407) and the junction of fuselage (1).

2. A shock absorbing mount as set forth in claim 1, wherein: the rocker arm (2) is rotatably connected with the machine body (1), and the cutting wheel (3) is rotatably connected with the rocker arm (2).

3. A shock absorbing mount as set forth in claim 1, wherein: the connection mode between backup pad (401) and fuselage (1) is sliding connection, hydraulic pressure post (402)'s quantity is two sets of in shock attenuation frame (4), and is the symmetry and arranges.

4. A shock absorbing mount as set forth in claim 1, wherein: the two ends of the piston rod (403) and the two ends of the damping spring (404) are respectively fixedly connected with the supporting plate (401) and the connecting plate (405), and the number of the piston rod (403) and the damping spring (404) in the damping frame (4) is two and are symmetrically arranged.

5. A shock absorbing mount as set forth in claim 1, wherein: the piston rod (403) is rotatably connected with the rocker arm (2) through a hinged support (406), and the pulley (407) is rotatably connected with the support plate (401).

6. A shock absorbing mount as set forth in claim 1, wherein: the pulley (407) is in rolling connection with the machine body (1) through the movable grooves (5), and the number of the pulley (407) and the number of the movable grooves (5) are two groups and are symmetrically arranged.