CN2678765Y

CN2678765Y - Shell of duoble-rotator single segment hammer type crusher

Info

Publication number: CN2678765Y
Application number: CN 200420024074
Authority: CN
Inventors: 廖正光
Original assignee: METALLURG MINE MACHINERY PLANT
Current assignee: Shiming Heavy Machinery Co., Ltd., Changshu
Priority date: 2004-01-01
Filing date: 2004-01-01
Publication date: 2005-02-16
Anticipated expiration: 2014-01-01

Abstract

The utility model discloses the shell of a double-rotor single segment hammer type crusher, improving the existing shell of the double-rotor single segment hammer type crusher. The shell of the double-rotor single segment hammer type crusher comprises a lower shell, an upper shell, end doors arranged on the left side and right side of the lower shell, the shell of the feeder supporting bracket and a feed port positioned on the top of the upper shell. The shell of the double-rotor single segment hammer type crusher is characterized in that the proportion between the diameter of the rotor and the height of the total throw from the feed port on the top of the upper shell to a valley bottom A part between a pair of rotors is 1: 0.6-1: 1. As the utility model reduces the height of the total drop from the feed port on the top of the upper shell to the valley bottom A part between a pair of rotors in the working cavity of the crusher, the total throw of the ore feeding machine is in proximity to the height of the throw of the single rotor type machine. Therefore, the shell of the double-rotor single segment hammer type crusher has the advantages of low malfunction rate, uneasy damage of the machine component and long service life. In addition, the changing designed halved doors also have the advantages that the changing designed halved doors are favorable and convenient for maintainers to go into the machine to observe the condition of the rotors, change a lining plate and mount and dismount a hammer.

Description

Birotor single hop hammer mill housing

Technical field

The utility model relates to a kind of single block hammer crusher housing, is the improvement to existing birotor single hop hammer mill housing.

Background technology

Single block hammer crusher is the main broken machinery of current cement industry raw mineral materials, it can with adopt from the mine big massive ore (size is above 1 meter, weight reaches 5～6 tons) time processing becomes next process---and the mill feed size that grinding allowed needs the processing technology of multistage fragmentation to be simplified and make in the past.Its construction investment and cost of management all greatly reduce, thereby have obtained the extensive use in market.Single block hammer crusher mainly contains two kinds of basic structures, be single rotor and birotor, they all have characteristics simple in structure, that the ratio of reduction is big, and the latter is a breaking ores between two rotors that rotate in opposite directions, its crusher chamber is difficult for being stopped up by sticking wet feed, thereby applicability is better.The one stage crushing machine of the single rotor type that in China's manufacture of cement industry, widely uses be by the application's designer in 1986 develop.After this, in order to adapt to enterprise's production scale and to satisfy the ore processing conditions of southern area of heavy rainfull, the application's designer has released birotor single hop disintegrating machine in 1998, obtained certain result of use.But, production practices show, find that there is following point in birotor single hop hammer mill: because single block hammer crusher is the broken type of broken lump ore, therefore the shock loading that several tons the lump ore of weighing enters in the machine is sizable, as single rotor type (as shown in Figure 1), charging aperture occupy on the top of rotor, charging aperture generally is about about 60% of root diameter D to the height H 1 on rotor disk top, this space is equivalent to the into size of machine largest block ore, and batcher directly is erected on the charging aperture, its shared height is H2, it is H1+H2=0.6D+H2 that both sums are the total drop that single rotor disintegrating machine ore advances machine, in above-mentioned two parameters, the shared height H 2 of batcher self is to use apron feeder institute indispensable, so it has the minimum machine drop that advances; And the birotor type is quite different, its shell structure is by shown in Figure 2, it by lower house 2, be installed in lower house 2 tops upper shell 1, be attached at upper shell 1 one sides batcher bearing support housing 4, be located at the end door of lower house 2 and arranged on left and right sides and be positioned at the charging aperture 6 at upper shell 1 top, the door 7 that is opened in upper shell 1 side is formed.Hold as the birotor type and to receive the ore point and occupy two the lowest point (A point position among Fig. 2) between the rotor 3, height H 1 between the lowest point A of 6 to two rotors 3 of charging aperture generally is about 1.2～1.5 times of root diameter D or bigger, and apron feeder 5 is erected on the top corresponding to one of them rotor 3, its shared height is H2, and both sums are the total drop (H1+H2 ≈ 1.5D+H2) that the double-rotor mill ore advances machine.This shows, it is bigger that birotor single hop hammer mill structure of the prior art must cause ore to advance the total drop of machine, its heavy shock loading causes each parts that smashes on the rotor 3 easily, make machine the fault rate height, maintenance is frequent, service life short, thereby limited further applying of it.

Summary of the invention

A task of the present utility model be to provide a kind of by reducing the machine ore falling height, to reduce fault rate, to improve the machine birotor single hop hammer mill housing in service life.

Another task of the present utility model is that a kind of birotor single hop hammer mill housing of changing situation in liner plate, tup, the observation machine that is beneficial to will be provided.

For finishing above-mentioned task, a kind of birotor single hop hammer mill housing that the technical solution of the utility model provided, it comprises lower house 2, be installed in the upper shell 1 of lower house 2 tops, be connected the tool door 7 that communicates with upper shell 1 shell chamber of upper shell 1 one sides batcher bearing support housing 4, be located at the end door of lower house 2 and arranged on left and right sides and be positioned at the charging aperture 6 at upper shell 1 top, the charging aperture 6 that is characterized in described upper shell 1 top to the total drop height and rotor 3 diameter ratios of the lowest point A portion between a pair of rotor 3 are 0.6: 1～1: 1.

The charging aperture 6 at upper shell described in the utility model 1 top to the total drop height and single rotor 3 diameter ratios of the lowest point A portion between a pair of rotor 3 are 0.6: 1～0.8: 1.

Finish another task for embodiment, a kind of birotor single hop hammer mill housing that the technical solution of the utility model provided, the described door 7 that is positioned at batcher bearing support housing 4 stunts and becomes a half door.

The utility model is because the total drop height of the lowest point A portion between a pair of rotor 3 of the charging aperture 6 that has reduced upper shell 1 top to the disintegrating machine working chamber 8, therefore the total drop that makes ore advance machine approaches the drop height of single rotor type, has that fault rate is low, parts are difficult for being damaged, the advantage of long service life; In addition, half door changes to establish still to have and is beneficial to the maintainer and goes into that machine is observed the situation of rotor 3, changed liner plate, dress is got the advantage that tup facilitates.

Accompanying drawing and drawing explanation

Fig. 1 is the structural representation of single rotor single block hammer crusher housing in the original technology of the utility model.

Fig. 2 is the structural representation of birotor single hop hammer mill housing in the original technology of the utility model.

Fig. 3 is an embodiment planar structure schematic diagram of the present utility model.

Fig. 4 is an embodiment planar structure sketch of the utility model band half door.

Fig. 5 is an embodiment stereochemical structure sketch of the utility model band half door.

The specific embodiment

The function of crusher shell is to set up rotor 3, batcher 5, installs to hold and hit anvil and discharge grate, forms due disintegrating machine working chamber 8.The form of housing also will help the dress of above-mentioned parts and get, keeps in repair, therefore on housing, be provided with various access doors, wherein be located at end door on the lower house 2 and be used for dress and get discharge grate (the not shown in the figures meaning out), and the door 7 that is located on the upper shell 1 is used to check the rotor state, changes liner plate and tup.Facts have proved that through use the end door on the lower house 2 is indispensable, otherwise discharge grate gets to come out, and the door 7 on the upper shell 1 can replace from the door of other positions.Therefore the utility model is behind the antenna height that has reduced batcher 5, the height that has satisfied the lowest point of two rotors 3 of charging aperture 6 to the disintegrating machine working chamber 8 approaches the drop height of single rotor level type, so the charging aperture 6 at upper shell 1 top can be regarded as and double as is got the inlet of tup for observing rotor situation and maintainer as changing liner plate, dress, the door 7 that communicates with upper shell 1 shell chamber on batcher bearing support housing 4 is finished and can be saved in view of the above.Yet, consider that changing liner plate, tup more easily and observing the situation of rotor 3 and take into account with the antenna height that does not hinder batcher 5 is prerequisite, door 7 dwarfings that are opened on the batcher bearing support housing 4 in the prior art are become half door, and make it to be positioned at particularly the below of batcher bearing support housing 4.Like this when will be to liner plate, when tup is changed, the maintainer can appoint between the two at half door and charging aperture 6 and selects the shell chamber that one enters into upper shell 1 and carry out corresponding operation, and the situation of observing rotor 3 is also right.

Please refer to Fig. 3, Fig. 4 and be described further in conjunction with Fig. 5, upper shell 1 of the present utility model is installed in the top of lower house 2 by screw, side sidepiece at upper shell 1 is connected with batcher bearing support housing 4, at the top, upper end of batcher bearing support housing 4 tool load-bearing crossbeam 15, both sides, upper end tool tiltedly along connecting plate 13, tool lower edge, lower end connecting plate 16.Wherein, load-bearing crossbeam 15 is used to install apron feeder 5, the both sides, upper end tiltedly be used for tiltedly fixing with upper shell 1 sidepiece along connecting plate 14 along connecting plate 13.Tool base, the lower end connecting plate 18 of half door, tool upper edge, upper end connecting plate 17.Wherein, base connecting plate 18 cooperates with the upper edge connecting plate at lower house 2 tops and spiral shell is consolidated, also be provided with a pair of fixedly ear 11 in the both sides, lower end of half door, fixedly offer screw respectively on the ear 11, the lower end of half door articulates with a pair of axle bed 9 behind the screw that passes on a pair of fixedly ear 11 by bearing pin 10, a pair of axle bed 9 is installed in the both sides, upper end of lower house 2, and the upper end of half door is then realized detachable being spirally connected by upper edge connecting plate 17 by the bolt 12 and the lower edge connecting plate 16 of batcher bearing support housing 4 lower ends.Certainly, the connected mode of above-mentioned half door is not unique.It also can be: the lower end of the upper end of half door and batcher bearing support housing 4 is hinged, and detachable being spirally connected realized in the upper end of the lower end of half door and lower house 2.It can also be: the lower end of the upper end of half door and batcher bearing support housing 4 is spirally connected, and the lower end of half door then is installed on the upper shell 1 or the like.

One end of the transmission rail of the apron feeder 5 of the utility model disintegrating machine is installed on the load-bearing crossbeam 15 at batcher bearing support housing 4 tops, when ore is delivered to load-bearing crossbeam 15 places at disintegrating machine top by transmitting rail by transport tape, and by charging aperture 6 places of upper shell 1 upper end ore is poured into downwards in the disintegrating machine work die cavity 8 and to be got final product.Specifically: ore drops into the lowest point A portion between a pair of rotor 3 from charging aperture 6, and the diameter ratio of this falling height and rotor 3 only is 0.6: 1～1: 1, so the impact load of this falling height is less, can cause and pound each parts that decreases on the rotor 3.

Claims

1, a kind of birotor single hop hammer mill housing, it comprises lower house (2), be installed in lower house (2) top upper shell (1), be connected the tool door (7) that communicates with upper shell (1) shell chamber of upper shell (1) one side batcher bearing support housing (4), be located at the end door of lower house (2) and arranged on left and right sides and be positioned at the charging aperture (6) at upper shell (1) top, the charging aperture (6) that it is characterized in that described upper shell (1) top to the total drop height and rotor (3) diameter ratio of the lowest point A portion between a pair of rotor (3) is 0.6: 1～1: 1.

2, birotor single hop hammer mill housing according to claim 1, the charging aperture (6) that it is characterized in that described upper shell (1) top to the total drop height and single rotor (3) diameter ratio of the lowest point A portion between a pair of rotor (3) is 0.6: 1～0.8: 1.

3, birotor single hop hammer mill housing according to claim 1, it is characterized in that the described door (7) that is positioned at batcher bearing support housing (4) stunts becomes a half door.