CN201033292Y - Jaw crusher device - Google Patents
Jaw crusher device Download PDFInfo
- Publication number
- CN201033292Y CN201033292Y CNU2007200512096U CN200720051209U CN201033292Y CN 201033292 Y CN201033292 Y CN 201033292Y CN U2007200512096 U CNU2007200512096 U CN U2007200512096U CN 200720051209 U CN200720051209 U CN 200720051209U CN 201033292 Y CN201033292 Y CN 201033292Y
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- China
- Prior art keywords
- step bearing
- rotating shaft
- moving jaw
- outer ring
- jaw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model relates to a jaw crusher, comprising a rack, a movable jaw assembly and a power unit, which is characterized in that: the movable jaw assembly is supported by the rack and is provided with a movable jaw, a rotating shaft, a step bearing and an end cover; both ends of the rotating shaft are fixed on the rack through the rack bearing; the rotating shaft is provided with an eccentric step with an eccentric distance from both ends; the movable jaw is arranged at the central section of the rotating shaft and is fixed outside the rotating shaft by the step bearing; a bearing hole is arranged in the movable jaw; the step bearing is arranged between the eccentric step of the rotating shaft and the bearing hole in the movable jaw.; the step bearing out race is matched with the bearing hole in the movable jaw, while the step bearing inner race is fixedly matched with the step part of the rotating shaft. The step bearing and the outer end of the movable jaw are provided with an end cover fixedly connected with the movable jaw. The step bearing is provided with a fixing device in circumferential direction and is fixedly connected with the movable jaw or rotating shaft. The utility model has the advantages of improving the assemble craft of the movable jaw, enabling to significant prolong the service life of crushers, having simple structure, convenient processing and favorable economic benefit.
Description
[technical field]
The utility model relates to a kind of mine engineering plant equipment, especially relates to the jaw crushing machine that a kind of step bearing place between moving jaw and rotating shaft is provided with circumferential fixture.
[background technology]
The jaw crushing machine be a kind ofly use widely in the mine, the engineering mechanical device in stone field and cement plant, jaw crusher often uses heavy-duty bearing, its size is big, price is high, when it uses in heavy duty, bad working environment, because its heavy-duty bearing assembly process process is poor, cause its service life short.
The moving jaw of typical case's jaw crusher has its special structure, and as shown in Figure 1, moving jaw is fixedlyed connected with rotating shaft in the eccentric step of rotating shaft by two step bearing fixing.In theory, be provided with two step bearings in the dead eye of moving jaw, the eccentric step of step bearing inner race and rotating shaft adopts interference fit, and moving jaw dead eye and bearing outer ring also should adopt interference fit, but this structural manufacturing process performance is poor, assembles very difficult.In manufacturing industry developed country, be generally in 0.03 millimeter as the moving jaw dead eye fit-up gap of 400 millimeters of diameters, general available 8～10 years of bearing, they are to the requirement height of machining apparatus precision, and use Assembling Special Equipment assembling smoothly.Domestic most of producer machining apparatus precision is not high, and generally not have expensive special use assembling equipment, most jaw crushers be that the personnel selection frock is joined or with the moving jaw assembly of mechanical assistance assembling.Because design feature and present most of factory equipment level of broken motor-driven jaw, in the actual production process, many producers have to allow jaw dead eye and bearing outer ring adopt matched in clearance, and machining tolerance is 0.03～0.06 millimeter as the moving jaw dead eye of 400 millimeters of diameters; Diameter is that 600 millimeters moving jaw dead eye tolerance is generally 0.03～0.10 millimeter; Diameter is that 400 millimeters bearing outer ring tolerance is generally 0～-0.08 millimeter; Bearing outer ring and broken motor-driven jaw dead eye gap are+0.03～+ 0.14 millimeter.This jaw crusher, in heavy duty, bad working environment, under periodic the impact, the gap of bearing outer ring and dead eye is increasing, the final unavoidable circle phenomenon of acting as a travelling agent that produces, the circle phenomenon of acting as a travelling agent has been quickened dead eye again and has been become big, had a strong impact on the service life of bearing, investigation shows that the bearing life of this jaw crusher of domestic production often has only 10～14 months; The partial crushing machine bearing life-span is shorter, changes several times after the bearing, and it is bigger that endoporus becomes, change bearing after, some jaw crusher bearing life is often very short.Therefore, have to more move continually jaw or bearing, the direct and indirect economic loss that causes thus is also very big.
[utility model content]
In order to overcome the above-mentioned shortcoming of prior art, the utility model provides a kind of energy to improve the assembly process process of moving jaw, can significantly prolong the disintegrating machine jaw crushing machine in service life.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of jaw crushing machine, comprise frame, moving jaw assembly and power set, moving jaw assembly is by frame support, should be provided with moving jaw by moving jaw assembly part, rotating shaft, step bearing and end cap, the rotating shaft two ends are fixed on the frame by rack bearing, rotating shaft is provided with the eccentric step that the center eccentric distance is arranged with two ends, moving jaw is positioned at the rotating shaft middle part, moving jaw by the step bearing fixing outside rotating shaft, in the moving jaw dead eye is arranged, the step bearing is between the eccentric step and the dead eye in the moving jaw of rotating shaft, and the step bearing outer ring cooperates with moving jaw inner bearing hole, the step bearing inner race cooperates fixing with the stepped portions of rotating shaft, step bearing and moving jaw outer end are provided with end cap, and end cap is fixedlyed connected with moving jaw, and the step bearing is provided with circumferential fixture and fixedlys connected with moving jaw or rotating shaft.
Described circumferential fixture is the pin that is fixed between step bearing outer ring and the moving jaw, moving jaw position has at least one to wear circumferential through-hole to the step bearing outer ring, be provided with pit with the step bearing outer ring of this circumferential through-hole corresponding position, the circumferential through-hole that pin passes moving jaw stretches in the pit of step bearing outer ring.
Described circumferential fixture is the key that is fixed between step bearing outer ring and the moving jaw, and the dead eye of moving jaw is provided with the keyway that cooperates with key simultaneously with the step bearing outer ring.
Described circumferential fixture is the pin that is fixed between step bearing outer ring and the end cap, the outer end cap position of step bearing has at least one to wear axially extending bore to the step bearing outer ring, with the step bearing outer ring end face of this axially extending bore corresponding position pit is arranged, the axially extending bore that pin passes end cap stretches in the pit of step bearing outer ring end face.
Described circumferential fixture is the key that is fixed between step bearing inner race and the rotating shaft, and rotating shaft is provided with the keyway that cooperates with key simultaneously with the step bearing inner race.
Between described rack bearing outer ring and frame, be provided with steady pin or key.
The beneficial effects of the utility model are: be provided with circumferential fixture between step bearing outer ring and moving jaw or end cap, stoped relatively rotating between the bearing outer ring of disintegrating machine and moving jaw effectively, effectively prevent dead eye heating and big by mill; Simultaneously, between step bearing inner race and rotating shaft, be provided with circumferential fixture, stop relatively rotating between bearing inner race and rotating shaft, effectively prevent axle heating and little by mill, reduce wear, improved the service life of step bearing, moving jaw, rotating shaft, reduce frequency of maintenance; Reduce the fitted position requirement of moving jaw step dead eye, suitably increased the fit-up gap, thereby improved the manufacturability of assembling, had simple in structure, easy to process, good in economic efficiency advantage.
[description of drawings]
Fig. 1 is the jaw crusher typical structure schematic diagram of prior art;
Fig. 2 is the structural representation of the utility model embodiment 1;
Fig. 3 is the structural representation of the utility model embodiment 2;
Fig. 4 is the structural representation of the utility model embodiment 3;
Fig. 5 is the structural representation of the utility model embodiment 4.
Among the figure, the 1-dead eye, 2-step bearing outer ring, the 3-roller, 4-step bearing inner race, the 5-rotating shaft, the 6-pin, the 7-end cap, the 8-bolt, the 9-frame, 10-moves jaw, 61-cylindrical keys, 62-pin, 63-square button.
[specific embodiment]
Below in conjunction with drawings and Examples the utility model is further specified.
A kind of jaw crushing machine, comprise frame 9, moving jaw assembly and power set, moving jaw assembly is provided with moving jaw 10, rotating shaft 5, step bearing and end cap 7, frame 9 is connected with rotating shaft 5 by rack bearing, thereby realize being connected with moving jaw assembly, moving jaw assembly is supported by frame 9, power set are connected with rotating shaft 5 power of moving jaw assembly, the rack bearing two ends also are provided with the frame end cap, rotating shaft 5 cooperates with the inner ring of rack bearing, rotation is realized by rack bearing in rotating shaft 5 two ends, realizes that rotating shaft 5 is by rack bearing and frame 9 supports.Rotating shaft 5 is provided with two ends an eccentric step that centers eccentric distance, moving jaw 10 is located at rotating shaft 5 middle parts, moving jaw 10 by the step bearing fixing outside rotating shaft 5, in the moving jaw 10 dead eye 1 is arranged, this step bearing is between the eccentric step and the dead eye 1 in the moving jaw 10 of rotating shaft 5, step bearing outer ring 2 cooperates with moving jaw 10 inner bearing holes 1, and step bearing inner race 4 cooperates fixing with the stepped portions of rotating shaft 5.Step bearing and moving jaw 10 outer ends also are provided with end cap 7, and end cap 7 is bolted to connection with moving jaw 10.The conical roller of roller 3 general employings of fixed frame bearing and step bearing.Top at frame 9 and moving jaw 10 also is provided with suspension ring.
Embodiment 1: as shown in Figure 2, on the basis of Fig. 1, three symmetrical distributions are arranged on the moving jaw 10 of step bearing outer ring 2, perpendicular to the through hole at dead eye 1 center, on step bearing outer ring 2 surfaces of through hole correspondence position the cross section being arranged is the pit of arc, in through hole, be provided with the pin 62 that size cooperates, the front end of pin 62 is the shape sphere consistent with pit, and these pin 63 short front ends stretch into pit and are close to pit.In this embodiment, the circumferential fixture of pin 62 for realizing that the step bearing is connected with moving jaw 10 relative fixed.
Embodiment 2: as shown in Figure 3, on the basis of Fig. 1, the circular keyway of a junction of the edges of two sheets of paper is arranged in the contact position of the cylindrical of step bearing outer ring 2 and moving jaw 10, and the circular keyway part of this junction of the edges of two sheets of paper is in dead eye 1 surface of moving jaw 10, and another part is on the cylindrical of step bearing outer ring 2.In the circular keyway of roulette, place size and cooperate cylindrical keys 61.In this embodiment, the circumferential fixture of cylindrical keys 61 for realizing that the step bearing is connected with moving jaw 10 relative fixed.
Embodiment 4: as shown in Figure 5, a square button 63 is set on the eccentric step of rotating shaft 5, at the axial keyway that step bearing inner race 4 has a size and square button 63 to adapt, square button 63 cooperates with axial keyway.
Claims (6)
1. jaw crushing machine, comprise frame, moving jaw assembly and power set, moving jaw assembly is by frame support, should be provided with moving jaw by moving jaw assembly part, rotating shaft, step bearing and end cap, the rotating shaft two ends are fixed on the frame by rack bearing, rotating shaft is provided with the eccentric step that the center eccentric distance is arranged with two ends, moving jaw is positioned at the rotating shaft middle part, moving jaw by the step bearing fixing outside rotating shaft, in the moving jaw dead eye is arranged, the step bearing is between the eccentric step and the dead eye in the moving jaw of rotating shaft, and the step bearing outer ring cooperates with moving jaw inner bearing hole, the step bearing inner race cooperates fixing with the stepped portions of rotating shaft, step bearing and moving jaw outer end are provided with end cap, and end cap is fixedlyed connected with moving jaw, it is characterized in that: the step bearing is provided with circumferential fixture and fixedlys connected with moving jaw or rotating shaft.
2. jaw crushing machine as claimed in claim 1, it is characterized in that: described circumferential fixture is the pin that is fixed between step bearing outer ring and the moving jaw, moving jaw position has at least one to wear circumferential through-hole to the step bearing outer ring, be provided with pit with the step bearing outer ring of this circumferential through-hole corresponding position, the circumferential through-hole that pin passes moving jaw stretches in the pit of step bearing outer ring.
3. jaw crushing machine as claimed in claim 1 is characterized in that: described circumferential fixture is the key that is fixed between step bearing outer ring and the moving jaw, and the dead eye of moving jaw is provided with the keyway that cooperates with key simultaneously with the step bearing outer ring.
4. jaw crushing machine as claimed in claim 1, it is characterized in that: described circumferential fixture is the pin that is fixed between step bearing outer ring and the end cap, the outer end cap position of step bearing has at least one to wear axially extending bore to the step bearing outer ring, with the step bearing outer ring end face of this axially extending bore corresponding position pit is arranged, the axially extending bore that pin passes end cap stretches in the pit of step bearing outer ring end face.
5. jaw crushing machine as claimed in claim 1 is characterized in that: described circumferential fixture is the key that is fixed between step bearing inner race and the rotating shaft, and rotating shaft is provided with the keyway that cooperates with key simultaneously with the step bearing inner race.
6. jaw crushing machine as claimed in claim 1 is characterized in that: be provided with steady pin or key between described rack bearing outer ring and frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200512096U CN201033292Y (en) | 2007-04-30 | 2007-04-30 | Jaw crusher device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200512096U CN201033292Y (en) | 2007-04-30 | 2007-04-30 | Jaw crusher device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201033292Y true CN201033292Y (en) | 2008-03-12 |
Family
ID=39194185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200512096U Expired - Fee Related CN201033292Y (en) | 2007-04-30 | 2007-04-30 | Jaw crusher device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201033292Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087421A (en) * | 2018-01-20 | 2018-05-29 | 刘峰 | A kind of heavily loaded double row spherical roller bearing of mining machinery jaw crusher |
-
2007
- 2007-04-30 CN CNU2007200512096U patent/CN201033292Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087421A (en) * | 2018-01-20 | 2018-05-29 | 刘峰 | A kind of heavily loaded double row spherical roller bearing of mining machinery jaw crusher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 Termination date: 20120430 |