CN218393847U

CN218393847U - A doublestage breaker for handling soft material

Info

Publication number: CN218393847U
Application number: CN202221634472.9U
Authority: CN
Inventors: 王金强; 王炎; 王旭; 易勇
Original assignee: Guizhou Panjiang Mining Machinery Co ltd
Current assignee: Guizhou Panjiang Mining Machinery Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2023-01-31
Anticipated expiration: 2032-06-27

Abstract

The invention discloses a two-stage crushing device for processing soft materials; belongs to the technical field of special equipment devices for coal mines; it comprises a machine base; a double-stage crushing box is arranged on the machine base; a pair of first-stage crushing input shafts and a pair of second-stage crushing input shafts are respectively arranged on the two-stage crushing box; the horizontal plane of the first-stage crushing input shaft is positioned above the second-stage crushing input shaft; the axial lines of the first-stage crushing input shaft and the second-stage crushing input shaft are different in surface, and the projections on the horizontal plane are vertical; the primary crushing input shaft and the secondary crushing input shaft are respectively connected with the output end of the motor through a coupling assembly and a reduction gearbox; a plurality of crushing teeth are arranged on the primary crushing input shaft and the secondary crushing input shaft, the relative rotation directions of the two primary crushing input shafts are in an inward rotation relation, and the relative rotation directions of the two secondary crushing input shafts are in an outward rotation relation; the invention solves the problems of easy material blockage and poor crushing precision uniformity of the conventional crushing mechanism at present.

Description

A doublestage breaker for handling soft material

Technical Field

The invention relates to the technical field of special equipment devices for coal mines, in particular to a two-stage crushing device for processing soft materials.

Background

The crusher is crushing equipment widely used in heavy industry, and in the coal mine industry, the coal slime filter cake needs to be crushed to a granularity which can meet the requirement by the aid of the crusher; the common breaker structure kind to the soft material of coal slime class is more, but most breaker still has the coal slime to block up easily long-pending in feeding pivot position, and the coal slime degree of consistency after the breakage is relatively poor simultaneously, and broken precision can't be up to standard's problem so need a new broken mechanism and rather than supporting energy supply transmission system and the support mounting means that corresponds at present.

Disclosure of Invention

The utility model aims to solve the technical problem that: the utility model provides a doublestage breaker for handling soft material to solve the easy putty that current conventional crushing mechanism exists, problem that crushing precision degree of consistency is poor.

In order to solve the above problem, the utility model provides a following technical scheme:

a two-stage crushing device for processing soft materials; it comprises a machine base; a double-stage crushing box in a hexahedral structure is arranged on the machine base; the two-stage crushing box comprises a primary separating box, a secondary separating box and a connecting bottom box which are sequentially arranged from top to bottom; two adjacent box bodies are connected through a bolt assembly; a pair of first-stage crushing input shafts and a pair of second-stage crushing input shafts are arranged on the two-stage crushing box; the first-stage crushing input shaft is clamped between the first-stage separation box and the second-stage separation box, and the second-stage crushing input shaft is clamped between the second-stage separation box and the connecting bottom box and is installed through a bearing seat; the horizontal plane of the first-stage crushing input shaft is positioned above the second-stage crushing input shaft; the axial lines of the first-stage crushing input shaft and the second-stage crushing input shaft are different in surface, and the projections on the horizontal plane are vertical; the primary crushing input shaft and the secondary crushing input shaft are respectively connected with the output end of the motor through a coupling assembly and a reduction gearbox; a plurality of crushing teeth are arranged on the first-stage crushing input shaft and the second-stage crushing input shaft, the rotating directions between the two first-stage crushing input shafts are in an inward rotating relation, and the rotating directions between the two second-stage crushing input shafts are in an outward rotating relation.

Preferably, the machine base comprises three pressure-bearing frames, and the three pressure-bearing frames are spliced into an L shape on the horizontal plane; wherein the pressure-bearing frame positioned on the extending ends at the two sides is provided with a grid clamping strip; and a motor support for placing a motor, a pair wheel cover support for placing a coupling assembly and a reduction gearbox support for placing a reduction gearbox are arranged on the grid clamping strip.

Furthermore, a material guide box is also arranged at the top of the first-stage spacing box; the upper top of the material guide box is also provided with a hook for hoisting; the upper side of the material guiding box is of an inverted trapezoidal table structure with a large upper end and a small lower end, and the lower side of the material guiding box is of a flat structure with a hole in the middle; reinforcing ribs are arranged between the outer end face of the trapezoidal table on the upper side of the material guide box and the lower flat plate; the height of the connecting bottom box is not less than half of the whole height of the secondary separation box; the height of the connecting bottom box is not less than the maximum contour circle radius of the crushing teeth.

Furthermore, opposite semicircular positioning grooves are arranged between the primary separation box and the secondary separation box and between the secondary separation box and the connecting bottom box; the bearing seat is installed through the positioning groove; and reinforcing plates are arranged between the bearing seats and the box bodies corresponding to the upper side and the lower side.

Preferably, the crushing teeth are uniformly arranged in the middle positions of the primary crushing input shaft and the secondary crushing input shaft; the crushing teeth are of symmetrical right cross disc-shaped structures, and the distance between two coaxial adjacent crushing teeth is not less than 40mm; the height difference between the axes of the first-stage crushing input shaft and the second-stage crushing input shaft is not less than 180mm; the maximum contour circle radius of the crushing teeth does not exceed 165mm; the horizontal wheelbase between the two first-stage crushing input shafts and the second-stage crushing input shaft is not more than 150mm, and blades of the corresponding crushing teeth on the two shafts are arranged in a staggered mode.

Preferably, the reduction gearbox is a two-stage speed change mechanism with a single input shaft and double output shafts, and the transmission ratios of the two output shafts of the reduction gearbox to the input shafts are the same; the coupling component corresponding to the primary crushing input shaft comprises two coupling structures for positioning and protecting the wheel cover support, wherein one coupling structure is arranged between the motor and the reduction gearbox, and the other coupling structure is arranged between the reduction gearbox and the primary crushing input shaft.

Preferably, the power of the two motors is the same, the transmission ratio between the motor corresponding to the first-stage crushing input shaft and the output shaft of the reduction gearbox is 1:6, and the transmission ratio between the motor corresponding to the second-stage crushing input shaft and the output shaft of the reduction gearbox is 1:4.

The utility model discloses beneficial effect:

the utility model designs a new crushing device for the problems existing in the current coal slime crushing, firstly designs a two-stage type crusher component to ensure that the crushing shafts of the upper and lower stages are kept vertical, and then ensures that the crushing shaft at the upper side is relatively inwards rotated to prevent the coal slime from blocking after entering from the feed inlet of the material guide box, and the crushing shaft at the lower side is relatively outwards rotated to solve the problem of insufficient crushing uniformity; in order to meet the use requirement of the crusher, the utility model further designs a base structure as a bearing, and a coupling component, a reduction box and a motor are arranged on the base to drive the crusher; use the utility model provides a behind the breaker, can make the coal slime can obtain even crisscross beating and cut, can be effectively with the coal slime broken to granularity 40mm once, satisfy the production and processing technology of majority.

Drawings

Fig. 1 is a schematic structural view of the utility model device in the present embodiment;

FIG. 2 is a schematic structural diagram of the base in the present embodiment;

FIG. 3 is a schematic view of the mounting of the pressure frame and the grid clamping bars in the present embodiment;

FIG. 4 is a schematic view of the mechanism of the secondary crushing box of the present embodiment;

FIG. 5 is a schematic view of the secondary crushing box in this embodiment;

FIG. 6 is a schematic diagram of the apparatus of FIG. 1 in a forward direction;

FIG. 7 is a top view of FIG. 6;

FIG. 8 is a front view of FIG. 7;

description of the reference numerals: 1. the device comprises a base, a pressure-bearing frame, a grid clamping strip, a motor support, a wheel cover support, a reduction gearbox support, a double-stage crushing box, a lead box, a 2B spacer box, a 2C spacer box, a second spacer box, a 2D connecting lower box, a 2E bearing seat, a 3 first-stage crushing input shaft, a 4 second-stage crushing input shaft, a 5 coupling component, a 6 reduction gearbox, a 7 motor, a 8 crushing tooth.

Detailed Description

The invention will be further described with reference to the following drawings and specific embodiments:

example (b):

referring to fig. 1, the present embodiment provides a twin-stage crushing apparatus for processing soft materials; it comprises a machine base 1; a double-stage crushing box 2 is arranged on the machine base 1; the double-stage crushing box 2 comprises a first-stage separation box 2B, a second-stage separation box 2C and a connecting bottom box 2D which are sequentially arranged from top to bottom; two adjacent box bodies are connected through a bolt assembly; a pair of first-stage crushing input shafts 3 and a pair of second-stage crushing input shafts 4 are arranged on the two-stage crushing box 2; the first-stage crushing input shaft 3 is clamped between the first-stage separation box 2B and the second-stage separation box 2C, and the second-stage crushing input shaft 4 is clamped between the second-stage separation box 2C and the connecting bottom box 2D and is installed through a bearing seat 2E; the horizontal plane of the first-stage crushing input shaft 3 is positioned above the second-stage crushing input shaft 4; the axes of the first-stage crushing input shaft 3 and the second-stage crushing input shaft 4 are different in plane, and the projections on the horizontal plane are vertical; the primary crushing input shaft 3 and the secondary crushing input shaft 4 are respectively connected with the output end of a motor 7 through a coupling component 5 and a reduction gearbox 6; all be provided with the broken tooth 8 of a plurality of on one-level broken input shaft 3 and the broken input shaft 4 of second grade, the relation is revolved for interior relatively to revolving between two one-level broken input shafts 3, and the relation is revolved for outer relatively to revolving between two broken input shafts 4 of second grade.

The stand 1 comprises three pressure-bearing frames 1A, and the three pressure-bearing frames 1A are spliced into an L shape on the horizontal plane; wherein, the pressure-bearing frame 1A positioned at the extending ends at the two sides is provided with a grid clamping strip 1B; a motor support 1C for placing a motor 7, a pair wheel cover support 1D for placing a coupling component 5 and a reduction box support 1E for placing a reduction box 6 are arranged on the grid clamping strip 1B.

A material guide box 2A is also arranged at the top of the first-stage spacing box 2B; a hook for hoisting is also arranged at the upper top of the material guide box 2A; the upper side of the material guide box 2A is of an inverted trapezoidal table structure with a large upper end and a small lower end, and the lower side of the material guide box is of a flat structure with a hole in the middle; a reinforcing rib is arranged between the outer end surface of the upper trapezoidal table of the material guide box 2A and the lower flat plate; the height of the connecting bottom box 2D is not less than half of the whole height of the secondary separation box 2C; the height of the connecting bottom box 2D is not less than the size of the largest contour circle radius on the crushing tooth 8.

Opposite semicircular positioning grooves are formed between the primary separation box 2B and the secondary separation box 2C, and between the secondary separation box 2C and the connecting bottom box 2D; the bearing seat 2E is installed through the positioning groove; and reinforcing plates are arranged between the bearing seat 2E and the corresponding upper and lower side boxes.

And a bearing sealing cover and a bearing transparent cover are correspondingly arranged at the positions of the first-stage crushing input shaft 3 and the second-stage crushing input shaft 4, which correspond to the two-stage crushing box 2.

The crushing teeth 8 are uniformly arranged in the middle positions of the first-stage crushing input shaft 3 and the second-stage crushing input shaft 4; the crushing teeth 8 are in symmetrical right cross disc-shaped structures, and the distance between two coaxial adjacent crushing teeth 8 is not less than 40mm; the height difference between the axes of the first-stage crushing input shaft 3 and the second-stage crushing input shaft 4 is not less than 180mm; the maximum outline radius of the crushing teeth 8 does not exceed 165mm; the horizontal wheelbase between the two first-stage crushing input shafts 3 and the second-stage crushing input shaft 4 is not more than 150mm, and the blades of the corresponding crushing teeth 8 on the two shafts are arranged in a staggered mode.

The reduction gearbox 6 is a two-stage speed change mechanism with a single input shaft and double output shafts, and the transmission ratios of the two output shafts of the reduction gearbox 6 corresponding to the input shafts are the same; the coupling component 5 corresponding to the first-stage crushing input shaft 3 comprises two coupling structures for positioning and protecting the wheel cover support 1D, wherein one coupling structure is arranged between the motor 7 and the reduction gearbox 6, and the other coupling structure is arranged between the reduction gearbox 6 and the first-stage crushing input shaft 3.

The power of the two motors 7 is the same, the transmission ratio between the motor 7 corresponding to the first-stage crushing input shaft 3 and the output shaft of the reduction gearbox 6 is 1:6, and the transmission ratio between the motor 7 corresponding to the second-stage crushing input shaft 4 and the output shaft of the reduction gearbox 6 is 1:4. The inner cavity of the horizontal section of the box body is of a square structure of 300mm, and the number of the crushing teeth on the primary crushing shaft 2 and the secondary crushing shaft 3 is 72. The rotating speed of the first-stage crushing shaft is 246r/min; the rotating speed of the secondary crushing shaft is 370r/min; the crushing capacity can reach 300t \h.

When the soft material crusher is installed, the following steps can be referred to:

s1, mounting three pressure-bearing frames 1A of a machine base 1 at specified positions according to site requirements;

s2, placing the corresponding motor support 1C, the pair wheel cover support 1D and the reduction gearbox support 1E on the corresponding pressure-bearing frame according to design requirements;

s3, sequentially installing and connecting a bottom box 2D, a secondary separation box 2C, a primary separation box 2B and a material guide box 2A from bottom to top on the middle pressure-bearing frame 1; while the first-stage crushing input shaft 3 and the second-stage crushing input shaft 4 are installed, the bearing pedestal 2E and the corresponding bearing end cover are arranged on the bearing through cover;

s3, correspondingly installing the motor 7, the coupling component 5 and the reduction gearbox 6 through the motor support 1C, the wheel cover support 1D and the reduction gearbox support 1E, and adjusting the distance to connect the transmission input shaft and the output shaft which are matched with each other;

and S4, starting up to perform test operation.

When using this embodiment device, only need set for specific rotating parameter, it is leading-in with the coal slime along the guide case on breaker upper portion behind the starter motor, thereby leave so that collect in the lower part of connecting the under casing after the breakage.

Claims

1. A double-stage crushing device for processing soft materials comprises a machine base (1); a double-stage crushing box (2) in a hexahedral structure is arranged on the machine base (1); the method is characterized in that:

the double-stage crushing box (2) comprises a first-stage separation box (2B), a second-stage separation box (2C) and a connecting bottom box (2D) which are sequentially arranged from top to bottom; two adjacent box bodies are connected through a bolt assembly; a pair of first-stage crushing input shafts (3) and a pair of second-stage crushing input shafts (4) are arranged on the double-stage crushing box (2); the primary crushing input shaft (3) is clamped between the primary separation box (2B) and the secondary separation box (2C), and the secondary crushing input shaft (4) is clamped between the secondary separation box (2C) and the connecting bottom box (2D) and is installed through a bearing seat (2E); the horizontal plane where the first-stage crushing input shaft (3) is located is positioned above the second-stage crushing input shaft (4); the axial lines of the first-stage crushing input shaft (3) and the second-stage crushing input shaft (4) are different in plane, and the projections on the horizontal plane are vertical to each other; the primary crushing input shaft (3) and the secondary crushing input shaft (4) are respectively connected with the output end of a motor (7) through a coupling component (5) and a reduction gearbox (6); a plurality of crushing teeth (8) are arranged on the first-stage crushing input shaft (3) and the second-stage crushing input shaft (4), the rotating directions between the two first-stage crushing input shafts (3) are relatively in an inward rotating relation, and the rotating directions between the two second-stage crushing input shafts (4) are relatively in an outward rotating relation.

2. A dual stage crushing apparatus for processing soft material as recited in claim 1 wherein: the machine base (1) comprises three pressure-bearing frames (1A), and the three pressure-bearing frames (1A) are spliced into an L shape on the horizontal plane; wherein, the pressure-bearing frame (1A) positioned at the extending ends at the two sides is provided with a grid clamping strip (1B); a motor support (1C) for placing a motor (7), a coupling wheel cover support (1D) for placing a coupling component (5) and a reduction gearbox support (1E) for placing a reduction gearbox (6) are arranged on the grid clamping strip (1B).

3. A dual stage crushing apparatus for processing soft material as recited in claim 1 wherein: a material guiding box (2A) is also arranged at the top of the first-stage spacing box (2B); a hook for hoisting is arranged at the upper top of the material guide box (2A); the upper side of the material guiding box (2A) is of an inverted trapezoidal table structure with a large upper end and a small lower end, and the lower side of the material guiding box is of a flat structure with a hole in the middle; a reinforcing rib is arranged between the outer end surface of the upper trapezoidal table of the material guide box (2A) and the lower flat plate; the height of the connecting bottom box (2D) is not less than half of the whole height of the secondary separation box (2C); the height of the connecting bottom box (2D) is not less than the size of the maximum contour circle radius on the crushing teeth (8).

4. A dual stage crushing unit for processing soft material according to claim 3 wherein: opposite semicircular positioning grooves are formed between the primary separation box (2B) and the secondary separation box (2C) and between the secondary separation box (2C) and the connecting bottom box (2D); the bearing seat (2E) is installed through the positioning groove; and reinforcing plates are arranged between the bearing seat (2E) and the corresponding upper and lower side boxes.

5. A dual stage crushing apparatus for processing soft material as recited in claim 1 wherein: the crushing teeth (8) are uniformly arranged in the middle positions of the first-stage crushing input shaft (3) and the second-stage crushing input shaft (4); the crushing teeth (8) are in symmetrical right cross disc-shaped structures, and the distance between two coaxial adjacent crushing teeth (8) is not less than 40mm; the height difference between the axes of the first-stage crushing input shaft (3) and the second-stage crushing input shaft (4) is not less than 180mm; the maximum outline circle radius of the crushing teeth (8) does not exceed 165mm; the horizontal wheelbase between the two first-stage crushing input shafts (3) and the second-stage crushing input shaft (4) is not more than 150mm, and blades of the corresponding crushing teeth (8) on the two shafts are arranged in a staggered mode.

6. A dual stage crushing apparatus for processing soft material as recited in claim 1 wherein: the reduction gearbox (6) is a two-stage speed change mechanism with a single input shaft and double output shafts, and the transmission ratios of the two output shafts of the reduction gearbox (6) corresponding to the input shafts are the same; the coupling component (5) arranged corresponding to the primary crushing input shaft (3) comprises two coupling structures which are positioned and protected through a coupling cover support (1D), wherein one coupling structure is arranged between the motor (7) and the reduction gearbox (6), and the other coupling structure is arranged between the reduction gearbox (6) and the primary crushing input shaft (3).

7. A dual stage crushing apparatus for processing soft material as recited in claim 1 wherein: the power of the two motors (7) is the same, the transmission ratio between the motor (7) corresponding to the primary crushing input shaft (3) and the output shaft of the reduction box (6) is 1:6, and the transmission ratio between the motor (7) corresponding to the secondary crushing input shaft (4) and the output shaft of the reduction box (6) is 1:4.