CN115090363A - Soft material crusher and installation method thereof - Google Patents
Soft material crusher and installation method thereof Download PDFInfo
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- CN115090363A CN115090363A CN202210742172.0A CN202210742172A CN115090363A CN 115090363 A CN115090363 A CN 115090363A CN 202210742172 A CN202210742172 A CN 202210742172A CN 115090363 A CN115090363 A CN 115090363A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/42—Driving mechanisms; Roller speed control
Abstract
The invention discloses a soft material crusher and an installation method thereof; 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 plane, and the projections on the horizontal plane are vertical to each other; 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 respectively, the relative rotation directions of the two primary crushing input shafts are in an inward rotation relationship, and the relative rotation directions of the two secondary crushing input shafts are in an outward rotation relationship; the invention solves the problems of easy material blockage and poor crushing precision uniformity of the conventional crushing mechanism.
Description
Technical Field
The invention relates to the technical field of special equipment devices for coal mines, in particular to a soft material crusher and an installation method thereof.
Background
The crusher is crushing equipment widely used in heavy industry, and in 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 technical problem to be solved by the invention is as follows: the soft material crusher is provided to solve the problems of easy material blockage and poor crushing precision uniformity of the conventional crushing mechanism.
In order to solve the problems, the invention provides the following technical scheme:
a soft material crusher; it comprises a machine base; a double-stage crushing box in a hexahedral structure 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 two adjacent lateral end surfaces of 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 plane, and the projections on the horizontal plane are vertical to each other; 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.
Preferably, the double-stage crushing box comprises a primary separating box, a secondary separating box and a connecting bottom box; two adjacent box bodies are connected through a bolt assembly; and 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.
Furthermore, a material guide box is also arranged at the top of the first-stage spacing box; a hook for hoisting is also arranged at the upper top of the material guide box; 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; a reinforcing rib is 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 horizontal section of the double-stage crushing box is of a rectangular structure, and the primary crushing input shaft and the secondary crushing input shaft are arranged on two adjacent side end faces of the double-stage crushing box; and bearing seal covers and bearing through covers are correspondingly arranged at the positions of the first-stage crushing input shaft and the second-stage crushing input shaft, which correspond to the positions where the two-stage crushing box is installed.
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 in symmetrical right cross disc-shaped structures, and the distance between two coaxial adjacent crushing teeth is not less than 40 mm; the height difference between the axes of the first-stage crushing input shaft and the second-stage crushing input shaft is not less than 180 mm; the maximum outline radius of the crushing teeth does not exceed 165 mm; the horizontal wheelbase between the two first-stage crushing input shafts and the two second-stage crushing input shafts 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 corresponding 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 two motors have the same power, the transmission ratio between the motor corresponding to the primary crushing input shaft and the output shaft of the reduction gearbox is 1:6, and the transmission ratio between the motor corresponding to the secondary crushing input shaft and the output shaft of the reduction gearbox is 1: 4.
The invention also discloses an installation method of the soft material crusher, which comprises the following steps:
s1, mounting the three bearing frames of the engine base at specified positions according to site requirements;
s2, placing the corresponding motor support, the corresponding wheel cover support and the corresponding reduction gearbox support on the corresponding pressure-bearing frame according to design requirements;
s3, sequentially installing and connecting a bottom box, a secondary separation box, a primary separation box and a material guide box at the middle pressure-bearing frame from bottom to top; when the crushing device is installed, the first-stage crushing input shaft and the second-stage crushing input shaft are installed on the bearing transparent cover through the bearing seat and the corresponding bearing end cover;
s3, correspondingly installing the motor, the coupling component and the reduction gearbox through a motor support, a wheel cover support and a reduction gearbox support, and adjusting the distance to connect the transmission input shaft and the transmission output shaft which are matched with each other;
and S4, starting up to perform test operation.
The invention has the beneficial effects that:
the invention designs a new crushing device for solving the problem of the current coal slime crushing, firstly designs a two-stage crusher component to ensure that the crushing shafts at the upper and lower stages are kept vertical, and then the crushing shaft at the upper side is relatively rotated inwards to prevent the coal slime from being blocked after entering from the feed inlet of the material guide box, and the crushing shaft at the lower side is relatively rotated outwards, so that the problem of insufficient crushing uniformity is solved; in order to meet the use requirement of the crusher, the invention further designs a base structure used as a bearing, and a coupling component, a reduction gearbox and a motor are arranged on the base to drive the crusher; after the crusher provided by the invention is used, the coal slime can be subjected to uniform staggered beating shearing, and the coal slime can be effectively crushed to a granularity of 40mm, so that most production and processing processes are met.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
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 left side view of FIG. 6;
description of reference numerals: 1. the crushing device comprises a base, a pressure-bearing frame, a grid clamping strip, a motor support, a pair wheel cover support, a reduction box support, a double-stage crushing box, a guide box, a first-stage separation box, a second-stage separation box, a lower connecting box, a bearing seat, a first-stage crushing input shaft, a second-stage crushing input shaft, a coupling component, a reduction box, a motor, a gear 8 and crushing teeth, wherein the base is 1A, the pressure-bearing frame, the grid clamping strip, the motor support, the reduction box support, the double-stage crushing box, the guide box support, the double-wheel cover support, the reduction box support, the two-stage crushing input shaft, the double-stage crushing box, the double-stage crushing input shaft, the double-stage crushing input shaft, the double-crushing device, and the double-stage crushing device.
Detailed Description
The invention is further described with reference to the following figures and specific examples:
the embodiment is as follows:
referring to fig. 1, the present embodiment provides a soft material crusher; it comprises a machine base 1; a double-stage crushing box 2 in a hexahedral structure is arranged on the machine base 1; a pair of first-stage crushing input shafts 3 and a pair of second-stage crushing input shafts 4 are respectively arranged on two adjacent lateral end surfaces of the two-stage crushing box 2; 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.
The double-stage crushing box 2 comprises a primary separation box 2B, a secondary separation box 2C and a connecting bottom box 2D; two adjacent box bodies are connected through a bolt assembly; and the first-stage crushing input shaft 3 is sandwiched between the first-stage partition box 2B and the second-stage partition box 2C, and the second-stage crushing input shaft 4 is sandwiched between the second-stage partition box 2C and the connecting bottom box 2D and is mounted through a bearing block 2E.
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 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 face of the upper trapezoidal table of the material guide box 2A and the lower flat plate; the height of the connecting bottom box 4 is not less than half of the whole height of the secondary separation box 3; 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 first-stage partition box 1B and the second-stage partition box 1C, and between the second-stage partition box 1C and the connecting bottom box 1D; the bearing seat 2E is installed through the positioning groove; and reinforcing plates are arranged between the bearing seat 2E and the box body 1 corresponding to the upper side and the lower side.
The horizontal section of the double-stage crushing box 2 is of a rectangular structure, and a primary crushing input shaft 3 and a secondary crushing input shaft 4 are arranged on two adjacent side end faces of the double-stage crushing box 2; 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 40 mm; 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 180 mm; the maximum profile circle radius of the crushing teeth 8 is not more than 165 mm; 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 7, 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 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. The inner cavity of the horizontal section of the box body 1 is a 300 mm-300 mm square structure, and the mounting 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 246 r/min; the rotating speed of the secondary crushing shaft is 370 r/min; the crushing capacity can reach 300t \ h.
When the soft material crusher is installed, the following steps can be referred to:
s1, mounting the three bearing frames 1A of the 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 at 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 a motor support 1C, a wheel cover support 1D and a 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 rotational 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 bottom case after the breakage.
Claims (10)
1. A soft material crusher 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: a pair of first-stage crushing input shafts (3) and a pair of second-stage crushing input shafts (4) are respectively arranged on two adjacent lateral end surfaces of the double-stage crushing box (2); 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); all be provided with broken tooth of a plurality of (8) on one-level broken input shaft (3) and second grade broken input shaft (4), the relation is revolved for interior whirling relatively to the turning between two one-level broken input shafts (3), and the relation is revolved for outward whirling relatively to the turning between two second grade broken input shafts (4).
2. A soft material crusher as claimed 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 soft material crusher as claimed in claim 1, wherein: the double-stage crushing box (2) comprises a primary separating box (2B), a secondary separating box (2C) and a connecting bottom box (2D); two adjacent box bodies are connected through a bolt assembly; and 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).
4. A soft material crusher as claimed in claim 3, characterized in that: the upper top of the first-stage spacing box (2B) is also provided with a material guiding box (2A); the upper top of the material guiding box (2A) is also provided with a hook for hoisting; 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-plate 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 (4) is not less than half of the whole height of the secondary separation box (3); 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).
5. A soft material crusher as claimed in claim 3, characterized in that: opposite semicircular positioning grooves are arranged between the first-stage separation box (1B) and the second-stage separation box (1C) and between the second-stage separation box (1C) and the connecting bottom box (1D); the bearing seat (2E) is installed through the positioning groove; reinforcing plates are arranged between the bearing seat (2E) and the box body (1) corresponding to the upper side and the lower side.
6. A soft material crusher as claimed in claim 1, characterized in that: the horizontal section of the double-stage crushing box (2) is of a rectangular structure, and the primary crushing input shaft (3) and the secondary crushing input shaft (4) are arranged on two adjacent side end faces of the double-stage crushing box (2); and a bearing sealing cover and a bearing transparent cover are correspondingly arranged at the positions where the first-stage crushing input shaft (3) and the second-stage crushing input shaft (4) are correspondingly installed with the double-stage crushing box (2).
7. A soft material crusher as claimed 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 40 mm; 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 180 mm; the maximum contour circle radius of the crushing teeth (8) is not more than 165 mm; 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.
8. A soft material crusher as claimed in claim 1, characterized in that: 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 (7), 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).
9. A soft material crusher as claimed 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.
10. A method of installing a soft material crusher as claimed in any one of claims 1 to 8, wherein: the method comprises the following steps:
s1, mounting three pressure-bearing frames (1A) of the 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, a bottom box (2D), a secondary separation box (2C), a primary separation box (2B) and a material guiding box (2A) are sequentially installed and connected at the middle pressure-bearing frame (1) from bottom to top; and when in installation, the first-stage crushing input shaft (3) and the second-stage crushing input shaft (4) are installed on the bearing transparent cover through the bearing seat (2E) and the corresponding bearing end cover;
s3, correspondingly installing the motor (7), the coupling component (5) and the reduction gearbox (6) through a motor support (1C), a wheel cover support (1D) and a 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.
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| CN202210742172.0A CN115090363A (en) | 2022-06-27 | 2022-06-27 | Soft material crusher and installation method thereof |
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| CN202210742172.0A CN115090363A (en) | 2022-06-27 | 2022-06-27 | Soft material crusher and installation method thereof |
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