CN201807399U - Crushing device and crusher - Google Patents
Crushing device and crusher Download PDFInfo
- Publication number
- CN201807399U CN201807399U CN2010205369166U CN201020536916U CN201807399U CN 201807399 U CN201807399 U CN 201807399U CN 2010205369166 U CN2010205369166 U CN 2010205369166U CN 201020536916 U CN201020536916 U CN 201020536916U CN 201807399 U CN201807399 U CN 201807399U
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- driving shaft
- reducing mechanism
- adjacent
- grating
- grating disk
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Abstract
The utility model relates to a crushing device and a crusher; the crushing device comprises a plurality of driving shafts which are driven by a driving device and are arranged in parallel, and a plurality of crushing plates which are respectively fixed on the driving shafts; spacing is left between two adjacent crushing plates which are arranged on the same driving shaft, wherein the outer edge of the crushing plate which is arranged on the first driving shaft in the two adjacent driving shafts extends into at least one part of the spacing between two adjacent crushing plates on the second driving shaft in the two adjacent driving shafts; and a toggle mechanism is arranged in the other part of the spacing between the two adjacent crushing plates of each driving shaft. The utility model also provides the crusher which comprises the crushing device.
Description
Technical field
The utility model relates to a kind of pulverizer, particularly, relates to a kind of pulverizer that the bulk object such as rock, ore, coal cinder is ground into the reducing mechanism of fritter and comprises this reducing mechanism of being used for.
Background technology
Piece material need be ground into so that further screening, processing or utilization for the bulk materials such as rock, ore, coal cinder.Fig. 1 shows a kind of schematic perspective view that is used to pulverize traditional pulverizer of the bulk hard ware material such as rock, ore, coal cinder.This pulverizer comprises and is used for receiving the reducing mechanism 100 that the bulk materials of the hopper 200 of bulk materials and hopper 200 is pulverized from conveyer belt, transport vehicle.Fig. 2 shows the reducing mechanism 100 of traditional pulverizer.Referring to Fig. 2, this reducing mechanism 100 comprises: by the motor 101 of high drive; Shaft coupling 102 with motor 101 couplings; The speed changer 103 that is used for the rotating speed of motor 101 is carried out conversion with shaft coupling 102 couplings; Respectively with two first and second driving shafts 104,111 that be arranged in parallel of speed changer 103 coupling; Be used to install and support the framework 105 of first and second driving shafts 104,111; Be fixedly mounted on a plurality of grating disks 106 on first and second driving shafts 104,111 respectively.Leave predetermined gap between each grating disk 106, and be installed in grating disk 106 settings interlaced with each other on first and second driving shafts 104,111, the outward flange that promptly is installed in one of them grating disk 107 on first driving shaft 104 extends in the gap between two grating disks 108,109 that are installed on second driving shaft 111, but the outward flange of grating disk 107 does not contact second driving shaft 111.
Fig. 3 shows the schematic cross-section of reducing mechanism shown in Figure 2 100 at an one grating disk place.As shown in Figure 3, each grating disk all has identical structure.For example, grating disk 107 comprises from 3 crushing tooths 112 of the tangential equidistant installation of extending of outward flange of its main part.At the crushing tooth 112 that is installed in the grating disk 107 on first driving shaft 104, be installed between second grating disk 108 on second driving shaft 111 and 109 the sidepiece and second driving shaft 111 and define first comminuting space 110.Middle part at two row's grating disks 106 is provided with the pulverizing platform 113 that extends along the axial direction that is parallel to driving shaft, be positioned at the pulverizing edge 114 on pulverizing platform 113 tops and the most external of crushing tooth 112 and be provided with preset distance, can be according to this preset distance of size adjustment of pulverized piece material.Between the top of crushing tooth 112 that is installed in grating disk 107 and pulverizing platform 113, define second comminuting space 115 like this.
When pulverizer is worked, motor 101 drives each grating disk 106 by shaft coupling 102, speed changer 103, first and second driving shafts 104 and 111 and rotates, thereby the crushing tooth 112 that is installed on the grating disk 106 is stirred pulverized bulk materials is at first entered first comminuting space 110, and enter second comminuting space 115 subsequently.When being forced into first comminuting space 110 and second comminuting space 115, bulk materials successively is squeezed into the material of fritter.
But, in traditional pulverizer, if with the size of pulverized bulk materials or shape just in time and the gap between grating disk 108 and 109 match, then this material then also may be squeezed between two adjacent grating disks 108 and 109.In this case, squeezed this material between two adjacent grating disks 108 and 109 if can not touch at the crushing tooth 112 of the grating disk between grating disk 108 and 109 107,112 of crushing tooths can not be stirred this material.Like this, this material will being clamped between grating disk 108 and 109 and with grating disk 108 and 109 of long period rotate.In this case, other material just can not pass first comminuting space 110, reduced the crush efficiency of pulverizer, and being clamped between the adjacent grating disk of material long period can be caused undesirable destruction to grating disk, the service life of reduction grating disk.
The content of utility model
The utility model provides a kind of pulverizer that the bulk object such as rock, ore, coal cinder is ground into the reducing mechanism of fritter and comprises this reducing mechanism of being used for, can prevent resting between two adjacent grating disks of material long period, can improve crush efficiency, prolong the service life of grating disk.
According to an aspect of the present utility model, a kind of reducing mechanism is provided, comprising: by a plurality of driving shafts that be arranged in parallel of drive unit driving; Be fixedly mounted on a plurality of grating disks on each described driving shaft respectively, be installed between two adjacent grating disks on the same driving shaft and have the gap, the outward flange that wherein is installed in the grating disk on first driving shaft in two adjacent driving shafts extends at least a portion in the gap between two adjacent grating disks on second driving shaft in described two adjacent driving shafts, in the another part in the gap between two adjacent grating disks of each driving shaft toggle mechanism is installed.
In above-mentioned reducing mechanism, described toggle mechanism comprises: with described drive shaft turns and around the annular section of described driving shaft; And at least one projection of extending from described annular section outward radial.
In above-mentioned reducing mechanism, described annular section comprises at least two sections arch sections, and described arch section is separately fixed at least one the sidepiece of adjacent described grating disk, thereby surrounds described annular section.
In above-mentioned reducing mechanism, described annular section is welded on the sidepiece of described grating disk.
In above-mentioned reducing mechanism, described annular section comprises at least two sections arch sections, and described arch section is separately fixed on the described driving shaft, thereby surrounds described annular section.
In above-mentioned reducing mechanism, described annular section welds or is threaded onto on the described driving shaft.
In above-mentioned reducing mechanism, described toggle mechanism is at least one projection that is fixed at least one the sidepiece of adjacent described grating disk.
In above-mentioned reducing mechanism, described toggle mechanism is at least one projection that is fixed on the described driving shaft.
According on the other hand of the present utility model, a kind of pulverizer is provided, described pulverizer comprises:
Be used to hold hopper with pulverized material; And any reducing mechanism recited above that is installed in described hopper bottom.
In reducing mechanism of the present utility model and pulverizer, if there is material temporarily to be squeezed between two adjacent grating disks.When the projection of stirring structure turns to first comminuting space, also this material can be removed, thereby make being clamped between the grating disk that this material just can the long period.Like this, the material that can guarantee other can in time pass first comminuting space, guaranteed the crush efficiency of pulverizer, and reduced material because being clamped between the adjacent grating disk of long period can cause the possibility of undesirable destruction to grating disk, improved the service life of grating disk.
Description of drawings
Further describe the utility model with reference to the accompanying drawings, wherein:
Fig. 1 shows a kind of schematic perspective view of pulverizer;
Fig. 2 shows the schematic diagram of reducing mechanism traditional in the pulverizer shown in Figure 1;
Fig. 3 shows reducing mechanism shown in Figure 2 schematic cross-section at an one grating disk place;
Fig. 4 shows the schematic diagram according to the reducing mechanism of exemplary embodiment of the present utility model;
Fig. 5 shows the enlarged diagram of A part among Fig. 4;
Fig. 6 shows reducing mechanism shown in Figure 4 schematic cross-section at an one grating disk place;
Fig. 7 shows the enlarged diagram of a kind of exemplary embodiment of toggle mechanism shown in Figure 6.
In conjunction with the accompanying drawings also with reference to preferred embodiment of the present utility model; those skilled in the art can understand the application's further open, purpose, advantage and aspect better; these given drawings and Examples are for illustrative purposes, rather than protection domain of the present utility model is limited.
The specific embodiment
Describe exemplary embodiment of the present utility model in detail below in conjunction with accompanying drawing.Identical Reference numeral is represented identical parts in the accompanying drawing.
Referring to Fig. 4-7,, comprising: a plurality of driving shafts that be arranged in parallel that drive by the drive unit that comprises motor 301, shaft coupling 302 and speed changer 303 according to reducing mechanism 300 of the present utility model; Be fixedly mounted on a plurality of grating disks 306 on each described driving shaft respectively, be installed between two adjacent grating disks on the same driving shaft and have the gap, the outward flange that wherein is installed in the grating disk 307 on first driving shaft 304 in two adjacent driving shafts 307 and 311 extends in gap at least a portion between two adjacent grating disks 308 and 309 on second driving shaft 311 in described two adjacent driving shafts 307 and 311, in the another part in the gap between two adjacent grating disks of each driving shaft toggle mechanism 316 is installed.
Specifically, Fig. 4 shows the schematic diagram according to the reducing mechanism of exemplary embodiment of the present utility model.This reducing mechanism 300 can replace the reducing mechanism 100 in the pulverizer shown in Fig. 1, and is used to pulverize the bulk hard ware material such as rock, ore, coal cinder.Referring to Fig. 4, comprise: by the motor 301 of the high drive of for example 200 volts or 380 volts according to the reducing mechanism 300 of a kind of exemplary embodiment of the present utility model; Shaft coupling 302 with motor 301 couplings; The speed changer 303 that is used for the rotating speed of motor 301 is carried out conversion (for example slowing down) with shaft coupling 302 couplings; Respectively with two first and second driving shafts 304,311 that be arranged in parallel of speed changer 303 coupling; Be used to install and support the framework 305 of first and second driving shafts 304,311; Be fixedly mounted on a plurality of grating disks 306 on first and second driving shafts 304,311 respectively.Leave predetermined gap according to actual needs between each grating disk 306, and be installed in grating disk 306 settings interlaced with each other on first and second driving shafts 304,311, the outward flange that promptly is installed in one of them grating disk 307 on first driving shaft 304 extends at least a portion in the gap between two grating disks 308,309 that are installed on second driving shaft 311, and the outward flange of grating disk 307 does not contact second driving shaft 311.
Fig. 6 shows the schematic cross-section that reducing mechanism shown in Figure 4 300 goes out at an one grating disk.As shown in Figure 6, each grating disk all has identical structure.For example, grating disk 307 comprises from 3 crushing tooths 312 of the tangential equidistant installation of extending of outward flange of its main part.Crushing tooth 312 is generally made by hard material, so that stir and fragmenting bulk materials.Crushing tooth 312 is removably mounted on the grating disk 307, when crushing tooth 312 is worn or damages through long comminution process, can dismantle down crushing tooth frayed or damage like this, and the crushing tooth that more renews.With reference to accompanying drawing 5, at the crushing tooth 312 that is installed in the grating disk 307 on first driving shaft 304, be installed between second grating disk 308 on second driving shaft 311 and 309 the sidepiece and second driving shaft 311 and define first comminuting space 310.The material of tentatively being pulverized 317 can move down by first comminuting space 310.
Continuation is with reference to Fig. 6, middle part at two row's grating disks 306 is provided with the pulverizing platform 313 that extends along the axial direction that is parallel to driving shaft, be positioned at the pulverizing edge 314 on pulverizing platform 313 tops and the most external of crushing tooth 312 and be provided with preset distance, can also can be arranged to make the pulverizing edge 314 of pulverizing platform 313 tops to contact according to this preset distance of size adjustment of pulverized piece material with the most external of crushing tooth 312.Between the top of crushing tooth 312 that is installed in grating disk 307 and pulverizing platform 313, define second comminuting space 315 like this, the material of pulverized strip can further not blocked in second comminuting space 315 owing to crushing tooth 312 extruding forces in first comminuting space 310, promptly realizes the secondary pulverizing.
According to exemplary embodiment of the present utility model, as shown in Figure 5, on each driving shaft, for example on driving shaft 311, in the gap between two adjacent grating disks 308 and 309 toggle mechanism 316 is installed.As shown in Figure 7, toggle mechanism 316 comprises: rotate and around the annular section 318 of driving shaft 311 with driving shaft 311; And at least one projection 319 of extending from annular section 318 outward radials.Further, annular section 318 comprises at least two sections arch sections, and the embodiment of 3 sections arch sections has been shown among Fig. 7.These 3 sections arch sections are separately fixed at least one the sidepiece in adjacent grating disk 308 and 309, and 320 places are bonded to each other in the joint portion, thereby surround a complete annular section 318.Each arch section has been shown among Fig. 7 has been provided with the embodiment of 2 projections 319, but be appreciated that one or 3 projections 319 also can be set.
In the utility model, owing in the gap between two adjacent grating disks 308 and 309 toggle mechanism 316 being installed, particularly projection 319 is extended from annular section 318 outward radials.Like this, toggle mechanism 316 rotates with driving shaft 311, if in first comminuting space 310, exist size or shape just in time and the material 317 (accompanying drawing 5) that matches of the gap between grating disk 308 and 39, and material 317 is squeezed between two adjacent grating disks 308 and 309, even if the crushing tooth 312 of the grating disk 307 between grating disk 308 and 309 can not touch material 317, the projection of toggle mechanism 316 also can be walked 317 groups of materials.Like this, material 317 just can being clamped between grating disk 308 and 309 and with grating disk 308 and 309 of long period not rotate.
In the further embodiment of the utility model, the arch section of annular section 318 welding or by on the sidepiece that is threaded onto in grating disk 308 and 309 any.In another kind of embodiment, annular section comprises at least two sections arch sections (3 sections arch sections have been shown among Fig. 7), and these arch sections for example are fixed on the driving shaft by welding or screw thread respectively, thereby surround described annular section.Like this, when for example driving shaft 311 drives grating disk 308 and 309 rotations, also drive toggle mechanism 316 simultaneously and rotate synchronously together.
In the further embodiment of the utility model, toggle mechanism 316 also can be for being fixed to the projection at least one the sidepiece in adjacent grating disk 308 and 309.In embodiment further, toggle mechanism 316 can also be for being fixed to the projection on the driving shaft 311 for example.Be appreciated that as long as toggle mechanism 316 has and extends to first comminuting space 310 and can realize technique effect of the present utility model with the projection that grating disk or driving shaft rotate.These projections are rotated with grating disk 308 and/or 309, if in first comminuting space 310, have material 317, then when projection turns to this first comminuting space 310, material 317 can be removed, thereby make being clamped between grating disk 308 and 309 that material 317 just can the long period.
Though above be that example has illustrated reducing mechanism of the present utility model with two driving shafts 304 and 311, the utility model is not limited thereto.Be appreciated that a plurality of driving shafts such as 3,4 also can be set, and each driving shaft and the grating disk, the toggle mechanism that are installed on this driving shaft all have identical structure, so that upgrade, replace and maintenance.
The course of work of reducing mechanism 300 of the present utility model is described below.When reducing mechanism of the present utility model is worked, motor 301 drives each grating disk 306 by shaft coupling 302, speed changer 303, first and second driving shafts 304 and 311 and rotates, thereby the crushing tooth 312 that is installed on the grating disk 306 being stirred pulverized bulk materials is at first entered first comminuting space 310 carries out pulverizing first time.If clamping has material 317 between the grating disk 308 and 309 in first comminuting space 310, then when the projection of stirring structure 316 turns to this first comminuting space 310, material 317 can be removed, thereby make being clamped between grating disk 308 and 309 that material 317 just can the long period.Subsequently, the material through pulverizing for the first time enters second comminuting space 315 and realizes pulverizing for the second time.
According to the further aspect of the utility model,, comprising: be used to hold hopper 200 pulverized material by a kind of pulverizer; And be installed in hopper 200 bottoms according to reducing mechanism 300 described in the utility model.Hopper 200 can be installed on the framework 305 of reducing mechanism 300, and the equipment that is used for transporting from conveyer belt, transport vehicle etc. bulk materials receives bulk materials, and these bulk materials are temporarily stored.The bottom of this hopper 200 is provided with all the grating disk 306 corresponding openings with reducing mechanism 300, is input in the reducing mechanism 300 with the bulk materials with storage and further pulverizes.
In pulverizer of the present utility model, even if with the size of pulverized material or shape just in time and the gap between grating disk 308 and 309 match, cause this material temporarily to be squeezed between two adjacent grating disks 308 and 309.When the projection of stirring structure 316 turns to first comminuting space 310, also this material can be removed, thereby make being clamped between grating disk 308 and 309 that this material just can the long period.Like this, the material that can guarantee other can in time pass first comminuting space 310, guaranteed the crush efficiency of pulverizer, and reduced material because being clamped between the adjacent grating disk of long period can cause the possibility of undesirable destruction to grating disk, improved the service life of grating disk.
Although exemplary embodiments of the present utility model is illustrated, but obviously those of ordinary skill is appreciated that, under the situation that does not deviate from spirit of the present utility model and principle, can change, its scope claims with and equivalent in limit.
Claims (9)
1. reducing mechanism comprises:
The a plurality of driving shafts that be arranged in parallel by the drive unit driving;
Be fixedly mounted on a plurality of grating disks on each described driving shaft respectively, be installed between two adjacent grating disks on the same driving shaft and have the gap, the outward flange that wherein is installed in the grating disk on first driving shaft in two adjacent driving shafts extends at least a portion in the gap between two adjacent grating disks on second driving shaft in described two adjacent driving shafts
It is characterized in that, in the another part in the gap between two adjacent grating disks of each driving shaft toggle mechanism is installed.
2. reducing mechanism as claimed in claim 1 is characterized in that, described toggle mechanism comprises:
With described drive shaft turns and around the annular section of described driving shaft; And
At least one projection from described annular section outward radial extension.
3. reducing mechanism as claimed in claim 2 is characterized in that described annular section comprises at least two sections arch sections, and described arch section is separately fixed at least one the sidepiece of adjacent described grating disk, thereby surrounds described annular section.
4. reducing mechanism as claimed in claim 3 is characterized in that described annular section is welded on the sidepiece of described grating disk.
5. as reducing mechanism as described in the claim 2, it is characterized in that described annular section comprises at least two sections arch sections, described arch section is separately fixed on the described driving shaft, thereby surrounds described annular section.
6. reducing mechanism as claimed in claim 5 is characterized in that, described annular section welds or is threaded onto on the described driving shaft.
7. reducing mechanism as claimed in claim 1 is characterized in that, described toggle mechanism is at least one projection that is fixed at least one the sidepiece of adjacent described grating disk.
8. reducing mechanism as claimed in claim 1 is characterized in that, described toggle mechanism is at least one projection that is fixed on the described driving shaft.
9. a pulverizer is characterized in that, described pulverizer comprises:
Be used to hold hopper with pulverized material; And
Be installed in described hopper bottom as each described reducing mechanism among the claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205369166U CN201807399U (en) | 2010-09-19 | 2010-09-19 | Crushing device and crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205369166U CN201807399U (en) | 2010-09-19 | 2010-09-19 | Crushing device and crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201807399U true CN201807399U (en) | 2011-04-27 |
Family
ID=43890348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205369166U Expired - Fee Related CN201807399U (en) | 2010-09-19 | 2010-09-19 | Crushing device and crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201807399U (en) |
-
2010
- 2010-09-19 CN CN2010205369166U patent/CN201807399U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20160919 |