CN207159311U - Rotor arrangement and aluminium liquid degassing apparatus - Google Patents

Abstract

The utility model is a kind of rotor arrangement and aluminium liquid degassing apparatus, is related to technical field of metallurgical equipment, is designed to solve the problems, such as in existing rotor arrangement that transmission belt tensile force can not be adjusted.The rotor arrangement includes main shaft, rotor drive, transmission device, rotor and tension assembly, transmission device includes the driving wheel being fixedly connected with the clutch end of rotor drive and the driven pulley being fixedly set on main shaft, the transmission belt being synchronized with the movement is provided between driving wheel and driven pulley, tension assembly is used to the tensile force of transmission belt be adjusted.The aluminium liquid degassing apparatus includes casing and above-mentioned rotor arrangement.Rotor arrangement provided by the utility model and aluminium liquid degassing apparatus are used for aluminium liquid degassing and purifying.

Description

Rotor arrangement and aluminium liquid degassing apparatus

Technical field

It the utility model is related to technical field of metallurgical equipment, more particularly to a kind of rotor arrangement and aluminium liquid degassing apparatus.

Background technology

In founding workshop, the hydrogen content and nonmetal inclusion of molten aluminum liquid can have a strong impact on the quality of casting.Generally, cold During solidifying, with the reduction of hydrogen solubility, hydrogen has little time to escape from solution, and nonmetal inclusion also has little time entering Liquid level is floated to before crystallizer, plate surface white point, pin hole will be caused to increase, the machine of material in follow-up rolling mill practice A series of defects such as tool hydraulic performance decline, and ultimately result in product rejection.It then becomes necessary to degassing and purifying treatment is carried out to aluminium liquid.

The operation principle of aluminium liquid degassing apparatus is：Chemistry does not occur instead with aluminium liquid under casting temperature using inert gas Should, the property being also insoluble in aluminum melt, the rotor rotated by rotor arrangement high speed is blown into aluminium liquid, is formed big Measure continuous tiny bubble.When inert gas bubble rises from molten bottom of chamber layer, because hydrogen dividing potential drop is zero in these bubbles, melt In hydrogen constantly will be spread to bubble, until the partial pressure of hydrogen increases to and meet certain pass with the concentration of hydrogen in melt in bubble Just reach balance when being.After bubble emersion liquid level, the hydrogen in bubble escapes into air.During bubble floating, non-gold is run into When belonging to field trash, due to the effect of surface tension, field trash is just adhered on bubble surface, and these field trashes are upper with bubble Float and exclude, while filter medium can also make impurity deposition stifled stagnant in filtering the further mechanical stop of field trash in filter chamber In medium, so that aluminium liquid is purified.

Generally, rotor arrangement includes main shaft, rotor drive and rotor, wherein, rotor is arranged on the free end of main shaft, Rotor drive rotates for drive shaft, so as to which rotor driven rotates, clutch end and master in rotor drive Belt driver is additionally provided between the power intake of axle.However, after use after a while, pine occurs in transmission belt Relaxation phenomenon, cause transmission accuracy and reliable transmission to decline, in addition trigger rotor arrangement can not normal work unfavorable situation.

Utility model content

First purpose of the present utility model is to provide a kind of rotor arrangement, to solve transmission belt in existing rotor arrangement The technical problem that tensile force can not be adjusted.

Rotor arrangement provided by the utility model, including tension assembly, main shaft, the rotor for driving the main axis Drive device, for the power of the rotor drive to be transferred into the main shaft drive, installed in the main shaft Free end on rotor, the transmission device includes the active that is fixedly connected with the clutch end of the rotor drive The driven pulley on the main shaft is taken turns and be fixedly set in, the transmission being synchronized with the movement is provided between the driving wheel and the driven pulley Band.

The tension assembly is used to the tensile force of transmission belt be adjusted.

Further, in addition to fixed mount, the rotor drive are arranged on the fixed mount, the main shaft pivot joint On the fixed mount.

Further, the tension assembly includes adjustable plate, the regulation group for the regulation Board position to be adjusted Part and the fixation kit for fixing the adjustable plate, the rotor drive are installed on the adjustable plate.

When the adjusting part is to the position adjustments of the adjustable plate, the transmission belt tensioning or loosen.

The adjusting part is at least one.

The fixation kit is at least one.

Further, the adjusting part includes jackscrew, screws the screw that is sleeved on the jackscrew and for promoting The push pedal of adjustable plate is stated, the screw is pressed in the push pedal, and the push pedal is pressed on the adjustable plate, and the jackscrew is worn Cross the push pedal and be closely connected in the side wall of the fixed mount.

Further, the fixation kit include be installed on the fixed mount screw rod, be opened on the adjustable plate Bar hole and the nut that is matched with the screw rod.

The screw rod passes through the bar hole, and the nut is rotatably connected in the screw rod and is closely connected to the adjustable plate On.

Further, the main shaft is articulated on the fixed mount by clutch shaft bearing and second bearing.

The clutch shaft bearing and the second bearing are disposed on the main shaft.

Further, in addition to the heat abstractor for being radiated for the main shaft.

The clutch shaft bearing is arranged on the top of the second bearing, the heat abstractor be arranged on the second bearing with Between the rotor.

Further, the heat abstractor includes multiple fin, and each fin collar is located at the periphery of the main shaft, Adjacent two fin are fixedly connected by connector, and the heat abstractor is fixed on the main shaft.

Further, in addition to for filling the lubricating arrangement of lubricant to the clutch shaft bearing and the second bearing.

The filler of the lubricating arrangement is arranged on the outside of the rotor arrangement.

The beneficial effect that the utility model rotor arrangement is brought is：

By setting tension assembly in rotor arrangement, it is adjusted with the tensile force to transmission belt, to a certain extent The relaxation occurred because transmission belt works long hours is avoided, ensure that the accuracy and reliability of transmission.In addition, when biography When the tensile force that dynamic band is born is larger, transmission belt can also be made suitably to loosen by tension assembly, to ensure transmission as far as possible Stationarity and accuracy.

Second purpose of the present utility model is to provide a kind of aluminium liquid degassing apparatus, to solve to pass in existing rotor arrangement The dynamic technical problem that can not be adjusted with tensile force.

Aluminium liquid degassing apparatus provided by the utility model, including casing and above-mentioned rotor arrangement.

When carrying out degasification operation to aluminium liquid, the rotor is stretched in the aluminium liquid of the cabinets cavity.

The beneficial effect that the utility model aluminium liquid degassing apparatus is brought is：

By setting above-mentioned rotor arrangement in aluminium liquid degassing apparatus, wherein, the rotor of rotor arrangement can extend into case In the aluminium liquid of intracoelomic cavity, to carry out degassing and purifying operation to it.Accordingly, the aluminium liquid degassing apparatus has above-mentioned rotor arrangement Institute is advantageous, and this is no longer going to repeat them.

Brief description of the drawings

, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the cross section structure diagram of the utility model embodiment rotor arrangement；

Fig. 2 is the partial enlarged drawing at A in Fig. 1；

Fig. 3 is the structural representation of the utility model embodiment rotor arrangement；

Fig. 4 is the partial enlarged drawing at B in Fig. 3；

Fig. 5 is the structural representation of the utility model embodiment aluminium liquid degassing apparatus；

Fig. 6 is structural representation of the utility model embodiment aluminium liquid degassing apparatus under another angle.

Icon：10- rotor arrangements；20- heaters；30- casings；40- blanking cover devices；The closing devices of 50- first；60- Second closing device；70- lowering or hoisting gears；80- aluminium liquids are allowed to dry mouth；11- rotor drives；12- transmission devices；13- fixed mounts； 14- main shafts；15- heat abstractors；16- locking devices；17- rotors；18- dispersion impellers；19- clutch shaft bearings；110- second bearings； 111- lubricating arrangements；112- tension assemblies；31- case lids；32- imports；33- is exported；The folding driving mechanisms of 51- first；52- first Swing arm；The folding driving mechanisms of 61- second；The swing arms of 62- second；71- lifting platforms；72- guide rails；1121- adjustable plates；1122- bar shapeds Hole；1123- push pedals；1124- jackscrews；1125- screws.

Embodiment

It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer The technical scheme of type carries out clear, complete description.Obviously, described embodiment is only that a part of the present utility model is implemented Example, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making wound The every other embodiment obtained under the premise of the property made work, belong to the scope of the utility model protection.

, it is necessary to explanation, the orientation of the instruction such as term " on ", " under ", " interior ", " outer " in description of the present utility model Or position relationship is based on orientation shown in the drawings or position relationship, it is only for is easy to describe the utility model and simplification Description, rather than the device or element of instruction or hint meaning must have specific orientation, with specific azimuth configuration and behaviour Make, therefore it is not intended that to limitation of the present utility model.

, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection of two element internals.For For one of ordinary skill in the art, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.

As shown in figures 1 and 3, present embodiments provide a kind of rotor arrangement 10, including main shaft 14, for drive shaft 14 The rotor drive 11 of rotation, the transmission device 12 for the power of rotor drive 11 to be transferred to main shaft 14 and installation Rotor 17 on the free end of main shaft 14.Specifically, transmission device 12 includes the clutch end with rotor drive 11 The driving wheel being fixedly connected and the driven pulley being fixedly set on main shaft 14, it is provided with what is be synchronized with the movement between driving wheel and driven pulley Transmission belt.Wherein, the rotor arrangement 10 also includes being used for the tension assembly 112 for adjusting transmission belt tensile force.

By setting tension assembly 112 in rotor arrangement 10, it is adjusted with the tensile force to transmission belt, in certain journey The relaxation occurred because transmission belt works long hours is avoided on degree, ensure that the accuracy and reliability of transmission.In addition, When the tensile force that transmission belt is born is larger, by tension assembly 112 transmission belt can also be made suitably to loosen, to ensure as far as possible The stationarity and accuracy of transmission.

In the present embodiment, rotor 17 can be graphite rotator.

Continue referring to Fig. 1 and Fig. 3, in the present embodiment, the rotor arrangement 10 can also include fixed mount 13.Wherein, turn Sub- drive device 11 is arranged on fixed mount 13, to provide rotary power for main shaft 14；Main shaft 14 is articulated on fixed mount 13, with Rotor 17 is driven to rotate by own rotation.

As shown in Figure 2 and Figure 4, in the present embodiment, tension assembly 112 can include adjustable plate 1121, for adjustable plate The adjusting part that 1121 positions are adjusted and the fixation kit for secured adjusted plate 1121.Wherein, rotor drive 11 It is installed on adjustable plate 1121.When the position of adjustable plate 1121 is adjusted adjusting part, transmission belt can be tensioned or Loosen.Also, adjusting part is at least one, and fixation kit is at least one.

When needing the tensile force to transmission belt to be adjusted, the position of adjustable plate 1121 can be entered by adjusting part Row regulation, so as to realize the position adjustments to rotor drive 11, and then realize the regulation to transmission belt tensile force.Work as transmission After the completion of the tensile force regulation of band, adjustable plate 1121 can be firmly secured on fixed mount 13 by fixation kit, to protect Demonstrate,prove the smooth working of rotor drive 11.

Continue referring to Fig. 2 and Fig. 4, in the present embodiment, adjusting part can include jackscrew 1124, screw and be sleeved on jackscrew Screw 1125 on 1124 and the push pedal 1123 for promoting adjustable plate 1121.Specifically, screw 1125 is pressed on push pedal 1123 On, push pedal 1123 is pressed on adjustable plate 1121, and jackscrew 1124 is through push pedal 1123 and is closely connected to the side wall of fixed mount 13 On.Also, in the present embodiment, fixation kit can include be installed on fixed mount 13 screw rod, be opened on adjustable plate 1121 Bar hole 1122 and the nut that is matched with screw rod.Specifically, screw rod passes through bar hole 1122, nut is rotatably connected in screw rod and close It is connected on adjustable plate 1121.

When needing the tensile force to transmission belt to be adjusted, first nut can be loosened, make the activity of adjustable plate 1121 even It is connected on fixed mount 13；Then, screw 1125 is screwed, screw 1125 promotes push pedal while with 1124 worm drive of jackscrew 1123, so as to drive adjustable plate 1121 to be moved on fixed mount 13；After the completion of tensile force regulation, nut is tightened, by adjustable plate 1121 are fixed on fixed mount 13.So far, the regulation to transmission belt tensile force is just realized.

It should be noted that in the present embodiment, adjusting part can be two, and fixation kit can be four.

Continue referring to Fig. 1 and Fig. 3, in the present embodiment, the rotor arrangement 10 can also include dispersion impeller 18.Specifically, Dispersion impeller 18 is arranged on the free end of rotor 17.By setting dispersion impeller 18, the bubble in aluminium liquid can be uniformly dispersed, so that It rapidly dissipates to aluminium liquid surface, and is discharged from aluminium liquid degassing apparatus.

Continue referring to Fig. 1-Fig. 3, in the present embodiment, main shaft 14 can pass through clutch shaft bearing 19 and the pivot of second bearing 110 It is connected on fixed mount 13.Also, clutch shaft bearing 19 and second bearing 110 are disposed on main shaft 14.Wherein, clutch shaft bearing 19 The top of second bearing 110 can be arranged on.By setting clutch shaft bearing 19 and second bearing 110 so that installed in fixed mount Rotational power can be reliably transmitted to rotor 17 by the main shaft 14 on 13, meanwhile, clutch shaft bearing 19 is spaced with second bearing 110 Set, also serve good supporting role for rotor 17.

Continue referring to Fig. 1 and Fig. 3, in the present embodiment, the rotor arrangement 10 can also include being used to carry out for main shaft 14 The heat abstractor 15 of radiating.Specifically, heat abstractor 15 is arranged between second bearing 110 and rotor 17.Such setting, makes The heat that main shaft 14 must be transferred to through rotor 17 can be distributed into external environment by heat abstractor 15, is reduced to a certain extent Main shaft 14 is transferred to the heat in second bearing 110, so as to reduce because main shaft 14 overheats and to second bearing 110 caused by Adverse effect, extends second bearing 110 and the service life for other each parts being connected with main shaft 14, ensure that main shaft 14 Reliable operating, further increase the functional reliability of the present embodiment rotor arrangement 10.

It should be noted that in the present embodiment, heat abstractor 15 is arranged between second bearing 110 and locking device 16.

Continue referring to Fig. 3, in the present embodiment, heat abstractor 15 can include multiple fin, and each fin collar is located at Adjacent two fin is fixedly connected, heat abstractor 15 is fixed on main shaft 14 by the periphery of main shaft 14, connector.

When needing to be removed for repair or replacement the heat abstractor 15, first each connector can be pulled down, Ran Houzai Each fin is removed from main shaft 14；, can be first by each fin when needing heat abstractor 15 being arranged on main shaft 14 Around being placed on the periphery of main shaft 14, connector is recycled to be fixedly connected with adjacent two fin, so that heat abstractor 15 is solid Due on main shaft 14.

The heat abstractor 15 realizes fin consolidating on main shaft 14 by setting multiple fin, and using connector It is fixed, conventional heat abstractor 15 is improved using the drawbacks of dismounting is difficult caused by threaded connection or even can not dismantle.Meanwhile pass through Multiple fin are set, also cause the heat abstractor 15 in installation and removal, to eliminate needs and be inserted in from one end of main shaft 14 With the tedious steps of taking-up, the installation and removal efficiency of heat abstractor 15 is not only increased, also reduces the labor intensity of worker, It is very convenient.

Continue referring to Fig. 1 and Fig. 3, in the present embodiment, the rotor arrangement 10 can also include being used for clutch shaft bearing 19 The lubricating arrangement 111 of lubricant is filled with second bearing 110.Specifically, the filler of lubricating arrangement 111 is arranged on rotor arrangement 10 outside.

By setting lubricating arrangement 111, lubricant directly can be injected into its inside from the outside of rotor arrangement 10 In clutch shaft bearing 19 and second bearing 110, think that clutch shaft bearing 19 and second bearing 110 lubricate, without by rotor arrangement 10 Integral demounting, it is easy to operate, the periodic maintenance to clutch shaft bearing 19 and second bearing 110 is very easy to, is not only increased The maintenance efficiency of bearing, also extend the service life of bearing.

It should be noted that in the present embodiment, the lubricant that is lubricated to clutch shaft bearing 19 and second bearing 110 can be with For lubricating oil or lubricating grease.

As shown in Figure 5 and Figure 6, the present embodiment additionally provides a kind of aluminium liquid degassing apparatus, including casing 30 and above-mentioned rotor Device 10.Wherein, rotor 17 can be stretched in the aluminium liquid of the inner chamber of casing 30, to carry out degassing and purifying operation to aluminium liquid.

Accordingly, the aluminium liquid degassing apparatus has the institute of above-mentioned rotor arrangement 10 advantageous, will not be repeated here.

Continue referring to Fig. 5 and Fig. 6, in the present embodiment, the top of casing 30 is provided with case lid 31, and the side wall of casing 30 is set The import 32 for inputting aluminium liquid and the outlet 33 for exporting aluminium liquid are equipped with, the bottom of casing 30 is provided with aluminium liquid and is allowed to dry mouth 80。

When the aluminium liquid degassing apparatus works, pending aluminium liquid is entered in casing 30 by import 32, and heater 20 is right Aluminium liquid is heated in the inner chamber of casing 30, meanwhile, rotor arrangement 10 is to the aluminium liquid purification in the inner chamber of casing 30；Degasification After the completion of aluminium liquid then by outlet 33 discharge, to carry out subsequent treatment.After aluminium liquid degassing apparatus is shut down, it is allowed to dry by aluminium liquid The aluminium liquid that the inner chamber of casing 30 remains can be drained to outside casing 30 by mouth 80, to be cleaned to casing 30.

Continue referring to Fig. 5 and Fig. 6, in the present embodiment, the aluminium liquid degassing apparatus can also include being used to lift heating dress Put the lowering or hoisting gear 70 of 20 and rotor arrangement 10.Specifically, the lifting that lowering or hoisting gear 70 includes guide rail 72, moved on guide rail 72 Platform 71 and the lifting drive for driving lifting platform 71 to move (wherein, lifting drive is not shown in figure).Heating Device 20 and rotor arrangement 10 are arranged on lifting platform 71.

When needing to safeguard heater 20 and rotor arrangement 10, lifting drive can be started, make lifting Platform 71 moves on guide rail 72, to drive heater 20 and rotor arrangement 10 to rise, so as to which heater 20 and rotor be filled Put 10 from casing 30 to lift, to safeguard heater 20 and rotor arrangement 10 outside casing 30.Lowering or hoisting gear 70 Setting so that heater 20 and rotor arrangement 10 can be safeguarded without opening case lid 31, not only maintenance efficiency is high, And improve in the past need by case lid 31 open safeguarded and caused by aluminium liquid temperature drop it is larger, so as to influence production it is unfavorable Situation, production efficiency is improved, further ensure the functional reliability of the present embodiment aluminium liquid degassing apparatus.

Continue referring to Fig. 5 and Fig. 6, in the present embodiment, the aluminium liquid degassing apparatus can also include the first closing device 50 With the second closing device 60, wherein, the first closing device 50 be used for swing rotor arrangement 10, the second closing device 60 be used for make Heater 20 is swung, so as to realize the relative open and close movement between rotor arrangement 10 and heater 20.

Specifically, continuing referring to Fig. 5 and Fig. 6, in the present embodiment, the first closing device 50 can include being installed in lifting The first fixed arm and the first fixed arm on platform 71 are hinged the first swing arm 52 of setting and for driving the first swing arm 52 motion First folding driving mechanism 51.Wherein, the first folding driving mechanism 51 is arranged on the first fixed arm, its clutch end and the One swing arm 52 is connected, to drive the first swing arm 52 to rotate, so that the swing open of rotor arrangement 10；Second closing device 60 can be with Including be installed on lifting platform 71 the second fixed arm, the second swing arm 62 set be hinged with the second fixed arm and for driving the Second folding driving mechanism 61 of two swing arms 62 motion.Wherein, the second folding driving mechanism 61 is arranged on the second fixed arm, its Clutch end and the second swing arm 62 are connected, to drive the second swing arm 62 to rotate, so that the swing open of heater 20.

The setting of first folding driving mechanism 51 and the second folding driving mechanism 61 so that rotor arrangement 10 and heater 20 by lowering or hoisting gear 70 after being lifted, and relative can open, so as to easily to the two safeguarded and the replacing of parts at Reason, substantially increase the maintenance efficiency of the present embodiment aluminium liquid degassing apparatus.

Specifically, continue referring to Fig. 5 and Fig. 6, in the present embodiment, when needing to enter for rotor arrangement 10 and heater 20 During row repair and maintenance, the action process of the aluminium liquid degassing apparatus is：Lowering or hoisting gear 70 acts, by rotor arrangement 10 and heater 20 are promoted to certain altitude position；Then, the first closing device 50 and the second closing device 60 act, to control rotor to fill respectively 10 and the swing open of heater 20 are put, and eventually arrive at maintenance position, so that operating personnel carry out repair and maintenance for it；Overhaul Cheng Hou, the first closing device 50 and the second closing device 60 act, and rotor arrangement 10 and heater 20 is swung playback；Most Afterwards, lowering or hoisting gear 70 acts, and rotor arrangement 10 and heater 20 is dropped to working position, to continue degassing processing.

Said process, realize to the on-bne repair of rotor arrangement 10 and heater 20 in aluminium liquid degassing procedure, significantly Improve production efficiency.

It should be noted that in the present embodiment, at the gap that rotor arrangement 10 and heater 20 are in contact with case lid 31 Insulation material can be set.When rotor arrangement 10 and heater 20 work, the two can compress insulation material, to ensure The seal of the inner chamber of casing 30, meanwhile, by setting insulation material, the dissipation of heat in aluminium liquid can also be reduced, so as to reduce The temperature drop of aluminium liquid.

In the present embodiment, insulation material can be alumina silicate fibre.

Continue referring to Fig. 5 and Fig. 6, in the present embodiment, the aluminium liquid degassing apparatus can also include blanking cover device 40.Specifically , blanking cover device 40 can include lid.After aluminium liquid degassing apparatus work a period of time, lid can be opened, by case The sediment floated in the inner chamber of body 30 in aluminium liquid removes, so as to ensure the cleaning of aluminium liquid.Moreover, in aluminium liquid degassing procedure, work Personnel can also be observed the degassing procedure of aluminium liquid at any time, to carry out failture evacuation in time.

In addition, in the present embodiment, the aluminium liquid degassing apparatus can also include being used for the oscillating oil cylinder for opening case lid 31.Tool Body, oscillating oil cylinder is arranged on the side wall of casing 30, and its one end is be hinged with casing 30, and the other end is be hinged with case lid 31.Work as pendulum When the piston rod of dynamic oil cylinder stretches out, the swing open of case lid 31 is driven.

Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that： It can still modify to the technical scheme described in previous embodiment, either to which part or all technical characteristic Carry out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from the utility model embodiment The scope of technical scheme.

Claims (10)

1. a kind of rotor arrangement, including main shaft (14), the rotor drive (11) for driving the main shaft (14) rotation, use In the transmission device (12) that the power of the rotor drive (11) is transferred to the main shaft (14) and installed in the master Rotor (17) on the free end of axle (14), the transmission device (12) include defeated with the power of the rotor drive (11) Go out the driving wheel that end is fixedly connected and the driven pulley being fixedly set on the main shaft (14), the driving wheel and the driven pulley Between be provided with the transmission belt that is synchronized with the movement, it is characterised in that

Also include being used for the tension assembly (112) for adjusting the transmission belt tensile force.

2. rotor arrangement according to claim 1, it is characterised in that also including fixed mount (13), the rotor driving dress (11) are put on the fixed mount (13), the main shaft (14) is articulated on the fixed mount (13).

3. rotor arrangement according to claim 2, it is characterised in that the tension assembly (112) includes adjustable plate (1121), for adjusting part that the adjustable plate (1121) position is adjusted and for fixing the adjustable plate (1121) Fixation kit, the rotor drive (11) is installed on the adjustable plate (1121)；

When the adjusting part is to the position adjustments of the adjustable plate (1121), the transmission belt tensioning or loosen；

The adjusting part is at least one；

The fixation kit is at least one.

4. rotor arrangement according to claim 3, it is characterised in that the adjusting part includes jackscrew (1124), screwed The screw (1125) being sleeved on the jackscrew (1124) and the push pedal (1123) for promoting the adjustable plate (1121), it is described Screw (1125) is pressed in the push pedal (1123), and the push pedal (1123) is pressed on the adjustable plate (1121), described Jackscrew (1124) is through the push pedal (1123) and is closely connected in the side wall of the fixed mount (13).

5. rotor arrangement according to claim 3, it is characterised in that the fixation kit includes being installed in the fixed mount (13) screw rod on, the bar hole (1122) being opened on the adjustable plate (1121) and the nut matched with the screw rod；

The screw rod passes through the bar hole (1122), and the nut is rotatably connected in the screw rod and is closely connected to the adjustable plate (1121) on.

6. rotor arrangement according to claim 2, it is characterised in that the main shaft (14) passes through clutch shaft bearing (19) and Two bearings (110) are articulated on the fixed mount (13)；

The clutch shaft bearing (19) and the second bearing (110) are disposed on the main shaft (14).

7. rotor arrangement according to claim 6, it is characterised in that also include being used to be radiated for the main shaft (14) Heat abstractor (15)；

The clutch shaft bearing (19) is arranged on the top of the second bearing (110), and the heat abstractor (15) is arranged on described Between second bearing (110) and the rotor (17).

8. rotor arrangement according to claim 7, it is characterised in that the heat abstractor (15) includes multiple fin, Each fin collar is located at the periphery of the main shaft (14), and adjacent two fin are fixedly connected by connector, by described in Heat abstractor (15) is fixed on the main shaft (14).

9. rotor arrangement according to claim 6, it is characterised in that also include being used for the clutch shaft bearing (19) and institute State the lubricating arrangement (111) of second bearing (110) filling lubricant；

The filler of the lubricating arrangement (111) is arranged on the outside of the rotor arrangement (10).

10. a kind of aluminium liquid degassing apparatus, it is characterised in that including the rotor described in casing (30) and claim any one of 1-9 Device (10)；

When carrying out degasification operation to aluminium liquid, the rotor (17) is stretched in the aluminium liquid of the casing (30) inner chamber.