阅读说明：本技术 大型风力干法选煤机 (Large-scale wind-force dry coal picker ) 是由 王学治 于 2019-11-02 设计创作，主要内容包括：本发明涉及选煤设备,特别是一种大型FX风力干法选煤机。包括机座,置于机座上的转动大梁,置于转动大梁上方的选床,选床底部的两端通过四连杆机构与转动大梁连接,并列设置的主动轴和从动轴通过双联轴承座与转动大梁连接,主动轴通过主驱动连杆与选床连接,选床的长宽比为2.66或2.77。本发明能够给提高选煤产量,提高生产效率,提高选煤效果。(The invention relates to coal dressing equipment, in particular to a large FX wind power dry coal dressing machine. The rotary sorting machine comprises a machine base, a rotary girder arranged on the machine base and a sorting bed arranged above the rotary girder, wherein two ends of the bottom of the sorting bed are connected with the rotary girder through a four-bar linkage, a driving shaft and a driven shaft which are arranged in parallel are connected with the rotary girder through a duplex bearing seat, the driving shaft is connected with the sorting bed through a main driving connecting rod, and the length-width ratio of the sorting bed is 2.66 or 2.77. The invention can improve the coal dressing yield, the production efficiency and the coal dressing effect.)

1. A large-scale wind-force dry method coal picker, including the bed, locate in the rotary girder on the bed, locate in the bed of selection above the rotary girder, both ends of the bed bottom of selection are connected with rotary girder through the four-bar linkage, driving shaft and driven shaft set up side by side are connected with rotary girder through the pair bearing bracket, the driving shaft is connected with bed of selection through the main driving connecting rod, wherein the length-width ratio of the bed of selection is 2.66 or 2.77; the hole wall of the driving shaft hole of the main driving connecting rod is of an opening structure, the outer circumferential surfaces of the hole walls on the two sides of the opening structure are respectively provided with radial connecting blocks, and the connecting blocks are connected through bolts; the duplex bearing seat is of an up-and-down split structure.

Technical Field

The invention relates to coal separation equipment, in particular to a large-scale wind-power dry-method coal separator.

Background

The FX series wind power dry coal separator is high in reliability and separation precision, and is comprehensively popularized in most areas of China. In recent years, with the enlargement and standardization of coal mines, FX-12, FX-9, FX-6 and FX-3 cannot meet the market requirements, and the enlargement of wind power dry coal separation equipment is also required, so that the large FX wind power dry coal separator needs to be developed and designed again. The main driving connecting rod and the duplex bearing seat are rotating parts of the main machine of the air separator, and are difficult to overhaul due to large size.

Disclosure of Invention

The invention aims to provide a large-scale wind-power dry coal separator to meet the requirement of large-scale coal separation equipment and improve the production efficiency.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a large-scale wind-force dry method coal picker, including the bed, locate in the rotary girder on the bed, locate in the bed of selection above the rotary girder, both ends of the bed bottom of selection are connected with rotary girder through the four-bar linkage mechanism, the driving shaft and driven shaft set up side by side are connected with rotary girder through the pair bearing bracket, the driving shaft is connected with bed of selection through the main drive connecting rod; the aspect ratio of the dressing bed is 2.66 or 2.77; the hole wall of the driving shaft hole of the main driving connecting rod is of an opening structure, the outer circumferential surfaces of the hole walls on the two sides of the opening structure are respectively provided with radial connecting blocks, and the connecting blocks are connected through bolts; the duplex bearing seat is of an up-and-down split structure.

Compared with the prior art, the invention adopting the technical scheme has the beneficial effects that:

the coal dressing yield can be improved, the production efficiency is improved, and the coal dressing effect is improved.

Drawings

FIG. 1 is a front view of a first embodiment of the present invention;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a front view of the cot according to the first embodiment of the invention;

FIG. 4 is a top view of the cot according to the first embodiment of the invention;

FIG. 5 is a left side view of the cot according to the first embodiment of the invention;

FIG. 6 is a schematic view of the connection between the driving shaft and the main driving link according to the first embodiment of the present invention;

fig. 7 is a schematic view of a connection structure between a driven shaft and a duplex bearing seat according to a first embodiment of the present invention;

FIG. 8 is a front view of a drive link according to a first embodiment of the present invention;

FIG. 9 is a left side view of FIG. 1;

FIG. 10 is a schematic view of a tandem bearing seat according to a first embodiment of the present invention;

FIG. 11 is a front view of a second embodiment of the present invention;

FIG. 12 is a left side view of a second embodiment of the present invention;

fig. 13 is a top view of the sorting bed according to the second embodiment of the present invention.

In the figure, a machine base 1; rotating the girder 2; a four-bar linkage 3; a driving shaft 4; a driven shaft 5; a main drive link 6; an opening structure 6-1; 6-2 of a connecting block; a duplex bearing seat 7; an upper bearing seat body 7-1; a lower bearing housing 7-2; selecting a bed 8; and a balancing weight 9.

Detailed Description

The invention is described in detail below with reference to the figures and examples.

Referring to fig. 1 and 2, the embodiment is a large FX wind power dry coal separator, the model is FX-24, and the large FX wind power dry coal separator comprises a machine base 1, a rotary crossbeam 2, a four-bar linkage 3, a driving shaft 4, a driven shaft 5, a main driving connecting rod 6, a duplex bearing seat 7, a separating bed 8, a balancing weight 9 and the like. A rotary girder 2 is arranged on a machine base 1, a four-bar mechanism 3 is arranged at two ends of the rotary girder 2, the upper end of the four-bar mechanism 3 is hinged with two ends of the bottom of a bed selector 8 (shown in figures 3, 4 and 5), and the length-width ratio of the bed selector 8 is 2.66, preferably 7920 mm in length and 2965 mm in width.

The middle part of the rotary girder 2 is provided with a driving shaft 4 and a driven shaft 5 (shown in figures 6 and 7), the driving shaft 4 and the driven shaft 5 are arranged in parallel, two ends of the driving shaft 4 and the driven shaft 5 are respectively arranged in two shaft holes of the duplex bearing seat 7, the axes of the two shaft holes of the duplex bearing seat 7 are parallel, a bearing is arranged in the shaft hole, and the duplex bearing seat 7 is connected with the rotary girder 2 through a bolt. The driving ends of the driving shaft 4 and the driven shaft 5 are provided with a driving gear and a driven gear which are meshed. The main driving connecting rod 6 is of a large-small head structure, a large-head shaft hole of the main driving connecting rod 6 is a driving shaft hole, a bearing is installed in the driving shaft hole, the driving shaft 5 is installed in the bearing, a small head of the main driving connecting rod 6 is a driven shaft hole, and the driven shaft hole is hinged with the sorting bed 8 through a pin shaft.

The hole wall of the driving shaft hole of the main driving connecting rod 6 (shown in fig. 8 and 9) is an opening structure 6-1, the outer circumferential surfaces of the hole walls on the two sides of the opening structure 6-1 are respectively welded with radial connecting blocks 6-2, the connecting blocks 6-2 are provided with connecting holes, the two connecting blocks 6-2 are connected through bolts, and the small head structure and the large head structure of the main driving connecting rod 6 are the same. The opening structure 6-1 of the main driving connecting rod 6 reduces the maintenance difficulty, is convenient to disassemble, shortens the maintenance time and improves the maintenance efficiency.

The duplex bearing seat 7 (shown in figure 10) is of an upper and lower split structure and comprises an upper bearing seat body 7-1 and a lower bearing seat body 7-2, the upper bearing seat body 7-1 and the lower bearing seat body 7-2 are connected through bolts, the split structure of the duplex bearing seat 7 is convenient to overhaul, the problem that a bearing is difficult to disassemble is solved, and the shutdown overhaul time is shortened.

Referring to fig. 11, 12 and 13, the second embodiment is FX-36, the second embodiment has the same structure as the first embodiment, and the second embodiment has a length-width ratio of 2.77, preferably 9998.5 mm in length and 3635 mm in width, of the bed 8.

The number of the air chambers is 4, and a partition wall is added when one air chamber is added. Practice has shown that too large an aspect ratio is actually detrimental to gangue discharge.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.