CN2112446U

CN2112446U - Double-chamber revolving jaw crusher

Info

Publication number: CN2112446U
Application number: CN 91232505
Authority: CN
Inventors: 王梓奇; 赵国运; 徐正一
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-12-23
Filing date: 1991-12-23
Publication date: 1992-08-12

Abstract

The utility model relates to a double-chamber revolving jaw crusher, whose double crushing chambers are coupled with an eccentricity revolving jaw roller and two zygomorphic ratchet-shaped concave surface fixed jaw plates, each of the crushing chamber has the characteristic of segmented nip angle variety, and thus the utility model enhances the efficiency of the crusher and ensures discharge smooth. The eccentricity revolving jaw roller crushes material in the double crushing chambers following the moving position of the eccentricity, which is key to fit for large crushing ratio and energy saving. For adopting the double crushing chambers, the utility model adds one time length of a discharge opening and creates an excellent condition for fine crushing. The double-chamber revolving jaw crusher is near two times of the production capacity of a single-chamber revolving jaw crusher, and can reduce about 60% energy consumption according to productivity accounting; hence, the utility model is a high efficiency and energy saving crusher suitable for big crushing and fine crushing.

Description

Double-chamber revolving jaw crusher

The utility model is a two-chamber revolution jaw crusher, is used for broken compressive ultimate strength in the 300Mpa(MPa) below various ores or rock, belong to field in small, broken bits.

The revolution jaw crusher of the existing U.S. 4165042 reports, the utility model has been done improvement to this, and its main improvement part has: one, single crusher chamber is changed into double crashing cavity and alternately participate in broken.Two, the arc-shaped concave fixed jaw is changed into ratchet-shaped concave surface fixed jaw.But three, change the horizontal direction feed into any direction feed.

The purpose of this utility model is the operating potential that makes full use of existing revolution jaw crusher, improves the utilization rate and the efficient of eccentric rotary jaw roller.Make the jaw roller alternately participate in the two-chamber fragmentation, reach the target that cuts down the consumption of energy with steel consumption and adaptation large reduction ratio.The design crushing effect is good and be applicable to the crusher chamber that multi-region section ip angle in small, broken bits changes, and produces the energy-efficient disintegrating machine of large reduction ratio type in small, broken bits.

The utility model accompanying drawing is as follows:

Fig. 1: two-chamber revolution jaw crusher overall structure figure.

Fig. 2: crusher chamber vertical section shape figure

Fig. 3: ratchet-like crushing shell right view

Fig. 4 ratchet-like crushing shell front view

Each component names in addition in the accompanying drawing

1 suspended axle, 2 is adjusted iron, 3 ratchet-like concave surface fixed jaws, 4 safeguards, 5 ratchet-like crushing shells, 6 arc crushing shells, 7 rollers, 8 eccentric bushings, 9 main shafts, 10 rolling bearings, 11 frames, 12 motor, 13 pull bars, 14 backbars, 15 stage clips.

From shown in Figure 1, Double-chamber revolving jaw crusher is made up of following each several part: frame, eccentric rotary jaw roller, two cover ratchet-like concave surface fixed jaws, two cover safeties, two cover guiding mechanism, motor and transmission devices.

Eccentric rotary jaw roller is assembled on the roller 7 by six arc crushing shells 6, and roller 7 is contained on the main shaft 9 by rolling bearing 10 and eccentric bushing 8, and on frame 11, it is driven by bead apex by motor main shaft by a pair of base bearing.

Ratchet-like concave surface fixed jaw 3, by a concave surface arc of three ratchet-like crushing shells 5 and discharge gate place crushing shell composite assembly on the tetragonal carriage of concave surface, the carriage upper end is suspended on the suspended axle 1, the lower end presses closer safeguard 4, and safeguard 4 presses closer adjustment iron 2 and backbar 14 obtains secure support and insurance when broken material.Regulate crusher chamber nesting population size size by the thickness increase and decrease of adjusting iron 2, safeguard 4 is the lower cast iron bracket of middle part intensity, and bracket fractures and plays the effect of protection disintegrating machine when load is excessive.Safeguard 4 bottoms are equipped with pull bar 13 and by stage clip 15 fixed jaw lower end and frame 11 are strained at together, make fixedly location, Hubei Province plate lower end.Double crashing cavity is formed in eccentric rotary jaw roller and symmetrical two cover ratchet-like concave surface fixed jaw couplings.

Eccentric revolution Hubei Province roller moves material in the two-chamber of crushing successively with eccentric position, and therefore turning round maximum crushing force suffered on Hubei Province roller and the concave surface fixed jaw is little than jaw crusher, and this is energy-conservation key, also is the assurance of adaptation large reduction ratio.Owing to adopt double crashing cavity work, the length of the discharge gate that doubles is in small, broken bitsly to have created fabulous condition, and makes the load of motor more balanced.When the clockwise off-centre of jaw roller is turned round, right chamber is the forward crusher chamber, chamber, a left side is reverse crusher chamber, because two crusher chamber ip angles all have the variation characteristic of static and dynamic partition section, so about two chambeies fabulous crushing effect all arranged and guarantee the smooth and easy of discharge, prevented to stop up and cross the generation of crushing phenomenon.Designed a bit of parallel interval that is bordering at the discharge gate place of crusher chamber, made the obstruction point of disintegrating machine upwards rotate the length of one section parallel zone by discharge gate, this helps in small, broken bits and makes discharge easy, and the steel consumption reduces, breaking capacity increases.

Fig. 2 is crusher chamber vertical section shape figure, and the working face shape of ratchet-like concave surface fixed jaw is to be divided into 3～8 limit shapes on circular curve or geometric ratio curve, and 1-4 ratchet arranged on each limit.

Fig. 3, Figure 4 shows that ratchet-like concave surface fixed jaw, it is characterized in that the shape of ratchet is the circular curve of concave surface, geometric ratio curve, parabola, inclining to penetrating forms ratchet in the bottom surface, and tooth top is fallen into fillet or oblique angle.

Another feature of this disintegrating machine is that the bottom of two-chamber revolution jaw crusher and kibbler roll or kibbler roll install sharpener additional and be combined into unit mahine jointly.

The utility model has following characteristics and superiority:

1, two-chamber is alternately participated in fragmentation, than broken nearly one times of the production capacity that improves in single chamber, cuts down the consumption of energy about 60%.

2, adapt to needs in small, broken bits and also can make the large reduction ratio disintegrating machine.

3, releasable jaw roller and fixed jaw have improved the maintainability of disintegrating machine.

But 4 any directions and be crowded with formula feeds, the marker size characteristic is good.

5, machine good integrity is convenient to move, and can do the crushing operation that flows and use.

Two-chamber revolution jaw crusher and oppositely rolling roller crusher dispose up and down and are combined into unit mahine, and its ratio of reduction can be up to more than 50%, and can accomplish marker size below 6mm, and production capacity reaches 20T/H(ton/time) the large reduction ratio fine crusher.

Embodiment:

Eccentric rotary jaw roller is assembled on the roller by six arc crushing shells, roller connects by rolling bearing, eccentric bushing and main shaft, main shaft is contained on the frame by a pair of base bearing, on circular curve, be divided into quadrangle, constitute carriage, three ratchet-like crushing shells (every block of plate has two concave surface circular arc ratchets) and a concave surface arc crushing shell (at the discharge gate place) composite assembly are combined into ratchet-like concave surface fixed jaw on carriage.Its upper end is suspended on the suspended axle, and the lower end presses closer safeguard, and safeguard presses closer adjusts iron and backbar, fixed jaw is supported when fragmentation is stressed reliably and insures, and adjusts iron thickness and changes nesting population size by changing.Pull bar is equipped with in the safeguard bottom, by stage clip the lower end of fixed jaw and frame is strained, and makes location, fixed jaw lower end, and double crashing cavities are formed in eccentric rotary jaw roller and symmetrical two cover ratchet-like concave surface fixed jaws couplings.Prove that in experiment the two-chamber machine improves nearly one times of production capacity than single chamber machine.Cut down the consumption of energy about 60%.

Claims

1, two-chamber revolution jaw crusher, its composition comprises frame, eccentric rotary jaw roller, two cover ratchet-like concave surface fixed jaw and safeties and guiding mechanisms, motor and transmission device, eccentric rotary jaw roller is assembled on the roller by polylith arc crushing shell, roller is contained on the main shaft by rolling bearing and eccentric bushing, main shaft is loaded on the frame by a pair of base bearing, it is driven by bead apex by motor, the ratchet-like concave surface fixed jaw that two nested structures are identical, every cover is assembled on the carriage by polylith ratchet-like crushing shell, the carriage upper end hangs on the suspended axle, guiding mechanism and safeties are equipped with in the lower end, it is characterized in that: double crashing cavity is formed in eccentric rotary jaw roller and symmetrical two cover ratchet-like concave surface fixed jaw couplings.

2, two-chamber revolution jaw crusher according to claim 1, it is characterized in that: the working face shape of ratchet-like concave surface fixed jaw is to be divided into 3-8 limit shape on circular curve or geometric ratio curve, and 1-4 ratchet arranged on each limit.

3, ratchet-like concave surface fixed jaw according to claim 2, it is characterized in that: the shape of described ratchet is the circular curve of concave surface, the geometric ratio curve, parabola favours the bottom surface and forms ratchet, and tooth top is fallen into fillet or oblique angle.

4, two-chamber revolution jaw crusher according to claim 1, it is characterized in that: the bottom of two-chamber revolution jaw crusher and kibbler roll or kibbler roll install sharpener additional and are combined into unit mahine jointly.