CN209254863U - Heat dissipation type sand making machine rotor assembly - Google Patents
Heat dissipation type sand making machine rotor assembly Download PDFInfo
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- CN209254863U CN209254863U CN201822098170.4U CN201822098170U CN209254863U CN 209254863 U CN209254863 U CN 209254863U CN 201822098170 U CN201822098170 U CN 201822098170U CN 209254863 U CN209254863 U CN 209254863U
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- belt pulley
- bearing
- main shaft
- flywheel
- heat dissipation
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Abstract
The utility model relates to technical field, disclose a kind of heat dissipation type sand making machine rotor assembly, including main shaft, rotor rack, bar, two sets of bearings, belt pulley, flywheels, rotor rack is connected on main shaft by expansion set, bar is mounted on rotor rack by briquetting, two sets of bearings are separately positioned on main shaft, and positioned at the two sides of rotor rack, belt pulley, flywheel are separately positioned on the both ends of main shaft；Gusset is equipped on belt pulley, flywheel, during rotation, gusset has effects that pectinid heat dissipation to bearing for belt pulley, flywheel.The utility model in Large Crusher for using, by the way that flywheel is arranged in, the gusset on belt pulley in rotation jointly to Spindle's heat emission, large scale bearing on Large Crusher structure main shaft heat dissipation problem in use is successfully solved, ensure that crusher in complicated working site high load, prolonged stable operation.
Description
Technical field
The utility model relates to technical field, more particularly to a kind of heat dissipation type sand making machine rotor assembly.
Background technique
Mining machinery is the equipment that, milling, screening etc. broken as mineral use, China infrastructure construction,
Usage amount is huge in Foreign Architecture construction.Crusher is used to carry out carse, medium and small broken operation to materials such as various ores, rocks, extensively
The general production that sand material is used applied to the construction of the industries such as highway, railway, water conservancy, electric power, building.Crusher is for general on broken
It is used in production line, broken machine production line is mainly made of batcher, crusher, rubber conveyer, electric-control system etc., can be by stone
The materials such as lime stone, granite, basalt, cobble Continuous maching at construction sand, sand yield processed hourly at 40 tons extremely
Between 360 tons.The monomer weight of Large Crusher is between 15 tons to 32 tons.The broken material ingredient of crusher at work is multiple
It is miscellaneous, long time continuous working is generally required, is generally used at outdoor Detritus construction scene, working environment is complicated, and scene is past
Toward with a large amount of dust, complicated vibration.
Existing crusher is generally made of body, rotor assembly, broken frame assembly, driving device.Wherein, body is broken
The shell mechanism of broken machine, the main support structure as body use.Rotor assembly is the part contacted with material direct collision,
It is broken for hit to material.Broken frame assembly is the intracorporal shock cataclasitlc structure of the machine that is fixed on, and is cooperated with rotor assembly
It uses, it is broken for hit to material.Driving device is power part for driving rotor assembly to rotate in crusher
Point.The weight of crusher and sand making machine rotor assembly is larger, therefore crusher is during operation, and the load of crusher is very
Greatly, and when yield it is higher when, it is also necessary to maintain the higher revolving speed of rotor assembly, need for a long time continuously run.Rotor is total
At being generally rotatably installed on body by larger-size bearing, bearing bracket stand, in order to maintain the good work of crusher for a long time
Make state, the heat dissipation of these large scale bearings is with regard to particularly important.
Utility model content
The purpose of the utility model is to provide it is a kind of being capable of the excellent heat dissipation type sand making machine rotor of automatic heat radiation, heat dissipation effect
Assembly.
To achieve the goals above, the utility model provides a kind of heat dissipation type sand making machine rotor assembly, including main shaft, rotor
Frame, bar, two sets of bearings, belt pulley, flywheels, rotor rack are fixedly connected on main shaft, and bar is connected on rotor rack, two sets of axis
The two sides for being separately positioned on main shaft upper rotor part frame are held, belt pulley, flywheel are separately positioned on the both ends of main shaft；On belt pulley, flywheel
It is equipped with gusset, during rotation, gusset being capable of pectinid heat dissipation to bearing for belt pulley, flywheel.
Preferably, belt pulley, flywheel include inner ring, connecting plate and outer ring, and inner ring is connected to master by expansion set
On axis, connecting plate connects inner ring and outer ring, and connecting plate is equipped with the ventilation hole for axially penetrating through connecting plate along main shaft.
Preferably, the gusset on belt pulley and flywheel close to bearing side is the rectangular muscle to radiate for pectinid
Gusset on plate, belt pulley and flywheel far from bearing side is the gusset of the triangle for reinforcement structure.
Preferably, belt pulley, flywheel every side be equipped with 3 to 8 pieces of gussets.
The utility model provides a kind of heat dissipation type sand making machine rotor assembly, for using in crusher, is existed by setting
Gusset on flywheel, belt pulley simultaneously radiates to the bearing pectinid on main shaft in rotation, so that the master of sand making machine rotor assembly
Axis is during rotation to bearing auto-radiating, so that crusher work in the working environment with a large amount of dust, complex vibration
When making, preferable heat dissipation is provided to bearing, guarantees working condition when crusher high load, long-play, substantially mentions
The high service life of sand making machine rotor assembly.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the heat dissipation type sand making machine rotor assembly in the utility model embodiment；
Fig. 2 is the structural schematic diagram of the flywheel in the utility model embodiment；
In figure, 10, main shaft；20, rotor rack；30, bar；40, bearing；41, bearing block；42, sealing ring；50, belt pulley；
60, flywheel；70, gusset；71, inner ring；72, connecting plate；73, outer ring；74, ventilation hole.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figure 1 and Figure 2, a kind of heat dissipation type sand making machine rotor assembly of the preferred embodiment in the utility model, this is practical new
Type includes main shaft 10, rotor rack 20, bar 30, multiple bearings 40, belt pulley 50, flywheel 60, and rotor rack 20 is fixedly connected on master
On axis 10, bar 30 is fixed on rotor rack 20 by briquetting, and multiple bearings 40 are separately positioned on 10 upper rotor part frame of main shaft
20 two sides, wherein the quantity of bearing 40 can be two sets, and every set bearing 40 is mutually stacked by one or two bearings, skin
The first end of main shaft 10 is arranged in belt wheel 50, and the second end of main shaft 10 is arranged in flywheel 60, i.e. belt pulley 50, the setting of flywheel 60 exists
The both ends of main shaft 10.
Wherein, belt pulley 50, be equipped with gusset 70 on flywheel 60, belt pulley 50, flywheel 60 during rotation, Neng Goutong
Gusset 70 is crossed to 40 place side fan heat of bearing.So that crusher in operation can auto-alignment hold 40 heat dissipations, without outer
Portion is arranged the cooperation of other radiator structures and radiates.
Now existing crusher structure and specification are illustrated.The materials such as various ores, rock are carried out it is thick, in,
In operation fine crushing, crusher is in crushing production line in use, broken machine production line is mainly defeated by batcher, crusher, adhesive tape
Mechanical, electrical control system etc. is sent to form, it can be by the materials such as lime stone, granite, basalt, cobble Continuous maching at construction sand
Son, sand yield processed hourly is between 40 tons to 360 tons.And the monomer weight of Large Crusher reach 15 tons to 32 tons it
Between.For example, following table gives illustrating for the model specification of the crusher of 4 models:
Table 1
Wherein, rotor assembly was operated as the part in the structure of body with material directly contact collision in crusher
It needs that it is driven to operate in journey and then is contacted with material, is broken to it.The weight of sand making machine rotor assembly generally occupies entire broken
20% or so of broken machine weight, the i.e. weight of rotor assembly are between 3 tons to 7 tons.According to the actual operation parameters provided in upper table
Find that the revolving speed of rotor is between 380r/min to 550r/min with specification.As it can be seen that the weight of sand making machine rotor assembly is larger,
And require it with rotation speed operation in a certain range.Wherein, when the material harder to quality is crushed, rotor
Revolving speed requires bigger.
In actual operation, crushing production line using when need to maintain the steady running of system, crushing production line it is each
A machine should all maintain stable working condition, and the normal operation of stablizing of crusher is entire crushing production line stable operation
Key.
As shown in Figure 1, this heat dissipation type sand making machine rotor assembly is installed by the socket of bearing 40, then by heat dissipation type sand making machine
Rotor assembly is mounted in crusher body and uses, and the dead load of the bearing 40 of every side of sand making machine rotor assembly should be
Between 1.5 tons to 3.5 tons, it is contemplated that dynamic loading and service load in operating, what the bearing 40 of sand making machine rotor assembly was born
Load is very big, and in actual use, especially in the work of continuous aggregate reclaiming, the heat dissipation of bearing 40 just seems especially heavy
It wants.In practice, the reason for causing Bearing Temperature possible have lubricating grease insufficient or it is excessive, lubricating grease is dirty, bearing cleaning
Lubricating grease, bearing damage, the abrasion of the bearing hole location of bearing block, bearing fit-up gap is excessive, bearing is acted as a travelling agent circle are replaced afterwards.Wherein,
Guarantee that suitable bearing running temperature is to guarantee normally lubricating, avoiding the abrasion of bearing hole location, avoid bearing damage for lubricating oil
Essential condition.
In the prior art to the heat dissipation of the bearing of sand making machine rotor assembly often by control crusher continuous work
Then time shuts down natural cooling；Either by periodic inspection, the working condition of bearing and main shaft is checked, to guarantee bearing
With the working condition of main shaft.Especially necessary running check bearing lubrication and temperature conditions, in bearing grease leakage or bearing
When temperature rise is more than 35 DEG C (temperature is more than 75 DEG C), then it must shut down and ascertain the reason and exclude in time.
Existing also to have the crusher used in metal waste utilization, Feed Manufacturing, this kind of crushers belong to brokenly
The lesser crusher of load in broken use, correspondingly the size of the spring bearing in the shaft, shaft of crusher is also smaller, shaft
On spring bearing can sufficiently pass through it is thermally conductive between bearing race and other structures part, air, and then realize heat dissipation, avoid office
Portion's overheat.Meanwhile the revolving speed of this kind of small-sized crusher is substantially within 100r/min, the calorific value of bearing at work compared with
It is low, it does not need specially to radiate to bearing yet, the requirement of heat dissipation can be met.
Unlike small-sized crusher, in crusher of the sand yield processed hourly between 40 tons to 360 tons, due to
Load is huge, crusher rotor revolving speed reaches 380r/min to 550r/min, correspondingly the axial dimension of bearing 40, radial ruler
Very little to require using biggish design value, development length is very big in the axial direction for bearing 40, is easier that heat collection occurs in bearing 40
In；Meanwhile the thickness in the radial direction of bearing 40 is also very big, and bearing 40 is caused radially to conduct heat in time by installation component
Difficulty out increases.So when crusher works long hours, when the calorific value of bearing 40 is larger, on bearing 40 and bearing 40 with
The contact position of main shaft 10 very likely occurs heat and concentrates, is difficult to be discharged, and is easy to cause 10 excessively heated axle phenomenon of main shaft to occur, bearing 40
The upper defect that surface overheat removing occurs.Therefore, heat dissipation stablized to large-sized bearing 40, carry out temperature control, to promotion axis
The stability of the junction of 40 and bearing 40 and main shaft 10 is held, the service life for improving bearing 40 and main shaft 10 is extremely important.
In the working site of crusher, crusher carries out broken refinement to various sandstone aggregate reclaimings, or to ore
When, it needs to be crushed complicated component broken material, it is also necessary to meet prolonged job requirement.And crusher is in outdoor
Detritus construction scene is in use, its working environment is complicated, and scene is often with a large amount of dust, complicated vibration, the work of crusher
Make the splashing that scene may also have chip ballast.Since material is usually to topple over charging from crusher top feed, and often,
The engine body exterior of crusher, extra-organismal rotor assembly may collide with small crushed stone in work, therefore the knot of crusher
Structure needs to stablize, is firm, to keep out the collision of chip ballast.Crusher also can inevitably meet with the invasion of wind and rain once in a while.
The utility model can timely radiate to bearing using sand making machine rotor assembly self structure.Preferably,
Rotor rack 20 includes cylinder, square plate, bar seat, and cylinder is socketed on main shaft, and square plate is fixedly connected on outside cylinder, the connection of bar seat
On cylinder.Rotor rack 20 is by being welded to connect integral structure.
Specifically, main shaft 10 and belt pulley 50, flywheel 60 connects using expansion set, that is, use it is keyless, it is easy to disassemble.?
When installation, all correlated parts surfaces need to clean up expansion set in the pre-assembly, grease, then expansion set is put into main shaft 10
Between belt pulley 50, flywheel 60.
Existing larger-size crusher, such as when the weight of rotor assembly is reached between 3 tons to 7 tons, due to sand processed
The self weight of machine rotor assembly is larger, and rotor assembly can maintain to stablize the stabilization of rotor assembly and main shaft in use by self weight.
It is that counter weight construction is no longer additionally arranged to consolidate main shaft and sand making machine rotor assembly when designing this Large Crusher.This
Utility model is relative to existing crusher, by belt pulley 50 that 10 both ends of main shaft are arranged in, flywheel 60 on main shaft 10
Bearing 40 radiates, and can significantly reduce the fortune of bearing 40 in complicated construction site well to the bearing of crusher 40
Capable temperature improves the service life of crusher.Wherein, identical with existing crusher structure to be, rotor assembly here
It can stablize by self weight, flywheel 60 is set in crusher and is not intended to carry out main shaft 10 counterweight, but for bearing
40 radiate.
The sand making machine rotor assembly structure of the utility model, belt pulley 50 and flywheel 60 are existed by setting in actual use
Gusset 70 thereon provides good heat dissipation to bearing 40, compared with the existing sand making machine rotor assembly without flywheel 60
It solves the problems, such as the heat dissipation of bearing 40 compared with, the utility model, enables crusher long-time steady operation.In actual use
It is measured according to temperature, compared to the situation that radiates of gusset 70 of no belt pulley 50 and flywheel 60, the utility model turns
Temperature of the sub- assembly at bearing reduces 5 to 10 degree, significantly improves the heat dissipation effect on bearing 40 and main shaft 10.
As shown in Fig. 2, belt pulley 50, flywheel 60 include inner ring 71, connecting plate 72 and outer ring 73, the socket connection of inner ring 71
On main shaft 10, connecting plate 72 connects inner ring 71 and outer ring 73, and connecting plate 72 is plate-like and radially extending along main shaft 10, even
Fishplate bar 72 is equipped with ventilation hole 74.Wherein, ventilation hole 74 is the channel of belt pulley 50, the heat dissipation of flywheel 60.
Preferably, gusset 70 is plate-like and extends along the axial direction of main shaft 10, and in the process of running, gusset 70 is similar
In the blade for generating air-flow, gusset 70 can guarantee turning at a high speed in flywheel 60 for gusset 70 along the axial direction extension of main shaft 10
Stability during dynamic.
Preferably, inner ring 71 is greater than inner ring 71 far from bearing 40 close to the length that the side of bearing 40 extends along main shaft 10
The length that extends along main shaft 10 of side.While this structure can guarantee the installation strength to flywheel 60, shorten main shaft
10 length saves production cost.
Preferably, as shown in Fig. 2, the gusset 70 on belt pulley 50 and flywheel 60 close to 40 side of bearing is to dissipate for pectinid
The rectangular gusset 70 of heat is the gusset of the triangle for reinforcement structure far from 40 side of bearing on belt pulley 50 and flywheel 60
70.Rectangular gusset 70 can provide bigger wind-force close to bearing side on belt pulley 50 and flywheel 60 by rotation, promote
Into air circulation, the heat dissipation effect on belt pulley 50 and flywheel 60 close to bearing side is improved.It is remote on belt pulley 50 and flywheel 60
The side for holding 40 off axis is set as the gusset 70 of triangle, can be while guaranteeing the intensity to belt pulley 50 and flywheel 60
About production material.
Preferably, belt pulley 50, flywheel 60 side be equipped with 3 to 8 pieces of gussets 70, wherein belt pulley 50, flywheel 60
Side is equipped with 3 pieces, 4 pieces, 5 pieces, 6 pieces, 7 pieces or 8 pieces gussets 70.
It preferably, further include bearing block 41, bearing 40 is set in bearing block 41, is additionally provided on bearing block 41 for bearing
The sealing ring 42 of 40 sealings.The other structures of bearing block 41 and crusher are installed, this rotor assembly is stably mounted to be crushed
It is used on machine.
To sum up, a kind of heat dissipation type sand making machine rotor assembly provided by the utility model, in sand making machine (crusher)
It uses, by being provided with the flywheel and belt pulley of gusset on main shaft, is realized by the gusset on flywheel, belt pulley to master
Heat dissipation at axis and bearing improves the radiating efficiency of sand making machine rotor assembly, enable sand making machine rotor assembly for a long time
The service life of sand making machine rotor assembly greatly improved in steady operation.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (4)
1. a kind of heat dissipation type sand making machine rotor assembly, which is characterized in that including main shaft, rotor rack, bar, bearing, belt pulley, fly
Wheel, rotor rack are fixedly connected on main shaft, and bar is connected on rotor rack, and two sets of bearings are separately positioned on main shaft, are located at and are turned
The two sides of subrack, belt pulley, flywheel are separately positioned on the both ends of main shaft；Gusset is equipped on belt pulley, flywheel, belt pulley flies
During rotation, gusset can radiate to bearing to wheel to bearing pectinid.
2. heat dissipation type sand making machine rotor assembly as claimed in claim 1, which is characterized in that belt pulley, flywheel include inner ring, connection
Plate and outer ring, inner ring are connected on main shaft by expansion set, and connecting plate connects inner ring and outer ring, and connecting plate is equipped with along main shaft
Axially penetrate through the ventilation hole of connecting plate.
3. heat dissipation type sand making machine rotor assembly as claimed in claim 2, which is characterized in that close to bearing side on belt pulley and flywheel
Gusset be the rectangular gusset to radiate for pectinid, the gusset on belt pulley and flywheel far from bearing side is for reinforcing tying
The gusset of the triangle of structure.
4. heat dissipation type sand making machine rotor assembly as claimed in claim 3, which is characterized in that belt pulley, flywheel every side be equipped with 3
To 8 pieces of gussets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822098170.4U CN209254863U (en) | 2018-12-14 | 2018-12-14 | Heat dissipation type sand making machine rotor assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822098170.4U CN209254863U (en) | 2018-12-14 | 2018-12-14 | Heat dissipation type sand making machine rotor assembly |
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| CN209254863U true CN209254863U (en) | 2019-08-16 |
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| CN201822098170.4U Active CN209254863U (en) | 2018-12-14 | 2018-12-14 | Heat dissipation type sand making machine rotor assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109365052A (en) * | 2018-12-14 | 2019-02-22 | 韶关核力重工机械有限公司 | Heat dissipation type sand making machine rotor assembly |
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2018
- 2018-12-14 CN CN201822098170.4U patent/CN209254863U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109365052A (en) * | 2018-12-14 | 2019-02-22 | 韶关核力重工机械有限公司 | Heat dissipation type sand making machine rotor assembly |
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