CN208236654U - Rotor compressor and heat exchange equipment with it - Google Patents

Abstract

The utility model provides a kind of rotor compressor and the heat exchange equipment with it.Rotor compressor includes: crankshaft, and crankshaft has along its axially extending oil-through-hole；Support construction, support construction support crankshaft, to prevent crankshaft from the movement in radially direction occurs；Lubricant medium in oil sump is delivered between crankshaft and support construction by dynamic structure, dynamic structure by oil-through-hole.The utility model efficiently solves the problems, such as to lubricate between the crankshaft and support construction of rotor compressor in the prior art insufficient.

Description

Rotor compressor and heat exchange equipment with it

Technical field

The utility model relates to rotor compressor technical fields, in particular to a kind of rotor compressor and have it Heat exchange equipment.

Background technique

Currently, it is common to generally use multiple cylinders in order to promote the refrigerating capacity of rotor compressor and increase its refrigerating capacity Operation.However, the multiple cylinders of setting cause the length of shaft to increase in rotor compressor, the distance between upper and lower flange increases. Meanwhile the rotor of motor also needs to increase, and the amount of deflection of rotor is caused to increase, and rotor easily occurs and sweeps in high-speed cruising with stator contact The phenomenon that thorax, increases noise and the vibration of rotor compressor, reduces the functional reliability of rotor compressor.

In the prior art, above-mentioned phenomenon occurs in order to prevent, increase at the top of the crankshaft of rotor compressor support construction with Constrain rotor bow.However, the oil sump of support construction and rotor compressor distance is farther out, cause rotor compressor to support construction Fuel feeding it is more difficult, there are lubricating insufficient phenomenon between support construction and crankshaft, support construction and crankshaft easily occurs Structural wear influences the service life of support construction, crankshaft and rotor compressor.Meanwhile it being lubricated between support construction and crankshaft Insufficient easily lead to generates vibration and noise inside rotor compressor, influence the working performance of rotor compressor.

Utility model content

It is existing to solve the main purpose of the utility model is to provide a kind of rotor compressor and with its heat exchange equipment Have in technology and lubricates insufficient problem between the crankshaft and support construction of rotor compressor.

To achieve the goals above, one aspect according to the present utility model provides a kind of rotor compressor, comprising: Crankshaft, crankshaft have along its axially extending oil-through-hole；Support construction, support construction support crankshaft, to prevent crankshaft from edge occurs The movement of its radial direction；Lubricant medium in oil sump is delivered to crankshaft and branch by oil-through-hole by dynamic structure, dynamic structure Between support structure.

Further, dynamic structure is arranged in the lower end of crankshaft and is connected to oil-through-hole.

Further, dynamic structure is gear pump.

Further, gear pump is crescent gear pump.

Further, rotor compressor further include: crankshaft is connect by connector by connector with dynamic structure, so that Crankshaft drives at least part dynamic structure to move.

Further, connector has along its axially extending through-hole, and the both ends of through-hole connect with oil-through-hole and oil sump respectively It is logical.

Further, dynamic structure is gear pump, and connector includes sequentially connected first shaft part and the second shaft part, first Shaft part is stretched in oil-through-hole and is interference fitted with oil-through-hole, and the driving tooth of the second shaft part and gear pump connects and drives driving tooth Rotation.

Further, rotor compressor further includes the shell being located at outside crankshaft, support construction and dynamic structure, part shell Body is fixedly connected with support construction, and support construction includes: support component, and support component has along the center that its axis direction is arranged Through-hole；Bearing arrangement is fixed in center through hole, and bearing arrangement is set in outside crankshaft.

Further, support construction further include: sealing element, one end of the separate crankshaft of centrally disposed through-hole, center are logical Hole, the upper end of crankshaft, bearing arrangement and sealing element form shoe cream room, the lubricant medium being discharged from the upper end of crankshaft be able to enter to In shoe cream room, to be lubricated to bearing arrangement.

Further, the inner wall of the close crankshaft of bearing arrangement has oil groove, and the lubricant medium in shoe cream room can pass through Oil groove drains into outside bearing arrangement.

Further, in the shape of a spiral, and the rotation direction of oil groove is opposite with the direction of rotation of crankshaft for oil groove.

Further, rotor compressor further includes stator, and support component includes: bracket, is fixedly connected with the casing, bracket tool There are multiple notches being circumferentially arranged along it, and the stator notch of multiple notches and stator is correspondingly arranged；Bearing block passes through fastener It is connect with bracket, bearing block has center through hole.

Further, bearing arrangement is sliding bearing, along the center radially outward direction of sliding bearing, sliding bearing Bearing shell is successively formed by polytetrafluoroethylene (PTFE), sintering diamond bit and steel back.

Further, sintering diamond bit is sintered copper porous material.

Further, bearing arrangement is rolling bearing.

Another aspect according to the present utility model provides a kind of heat exchange equipment, including above-mentioned rotor compressor.

Using the technical solution of the utility model, rotor compressor includes crankshaft, support construction and dynamic structure.Wherein, Crankshaft has along its axially extending oil-through-hole.Support construction supports crankshaft, to prevent crankshaft from the fortune in radially direction occurs It is dynamic.Lubricant medium in oil sump is delivered between crankshaft and support construction by dynamic structure by oil-through-hole.In this way, support construction It is used to support the upper end of crankshaft, to prevent crankshaft from dancing occurring in the process of running.In rotor compressor operational process, Lubricant medium in oil sump is delivered between crankshaft and support construction by dynamic structure by the oil-through-hole being arranged on crankshaft, with right The junction of support construction and crankshaft is lubricated, and is prevented the abrasion of the two junction recurring structure and is influenced crankshaft and support construction Service life.

With crankshaft in the prior art with lubricated between support construction it is insufficient compared with, the rotor compressor in the application makes Sufficient lubrication is obtained between support construction and crankshaft, prevents crankshaft and support construction recurring structure from wearing and influencing rotor compressor Service life, guarantee support construction crankshaft is provided a supporting role, and then promoted rotor compressor operational reliability.Together When, the above-mentioned setting in the application can reduce rotor compressor since the junction of crankshaft and support construction lubrication is insufficient and The vibration of generation and noise, and then the working performance of rotor compressor is promoted, it improves the user experience.

Detailed description of the invention

The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model. In the accompanying drawings:

Fig. 1 shows the cross-sectional view of the embodiment one of rotor compressor according to the present utility model；

Fig. 2 shows enlarged diagrams at the A of the rotor compressor in Fig. 1；

Fig. 3 shows the B-B direction cross-sectional view of the pump assembly in Fig. 1；

Fig. 4 shows the top view of the dynamic structure of the pump assembly in Fig. 1；

Fig. 5 shows the schematic perspective view of the connector of the pump assembly in Fig. 1；

Fig. 6 shows the schematic perspective view of the bearing arrangement of the pump assembly in Fig. 1；

Fig. 7 shows the C-C of the bearing arrangement in Fig. 6 to cross-sectional view；And

Fig. 8 shows the cross-sectional view of the embodiment two of rotor compressor according to the present utility model.

Wherein, the above drawings include the following reference numerals:

10, shell；20, pump assembly；21, cylinder；22, crankshaft；221, oil-through-hole；23, upper flange；24, lower flange； 25, lower cover plate；30, support construction；31, support component；311, center through hole；312, bracket；312a, notch；313, bearing block； 32, bearing arrangement；321, oil groove；322, bearing shell；322a, polytetrafluoroethylene (PTFE)；322b, sintering diamond bit；322c, steel Back；33, sealing element；34, shoe cream room；40, dynamic structure；41, driving tooth；42, driven tooth；50, connector；51, through-hole；52, First shaft part；53, the second shaft part；60, stator；61, stator notch；70, roller；80, fastener；90, rotor.

Specific embodiment

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application The normally understood identical meanings of person of an ordinary skill in the technical field.

In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " is usually to be directed to For direction shown in the drawings, or on vertical, vertical or gravity direction；Similarly, for ease of understanding And description, " left and right " is usually for shown in the drawings left and right；" inside and outside " refers to the profile relative to each component itself It is inside and outside, but the above-mentioned noun of locality is not intended to limit the utility model.

In order to solve the problems, such as to lubricate insufficient, this Shen between the crankshaft and support construction of rotor compressor in the prior art It please provide a kind of rotor compressor and the heat exchange equipment with it.

Embodiment one

As shown in Figure 1, rotor compressor includes crankshaft 22, support construction 30 and dynamic structure 40.Wherein, crankshaft 22 has The oil-through-hole 221 axially extending along its.Support construction 30 supports crankshaft 22, to prevent crankshaft 22 from the fortune in radially direction occurs It is dynamic.Lubricant medium in oil sump is delivered between crankshaft 22 and support construction 30 by dynamic structure 40 by oil-through-hole 221.

Using the technical solution of the present embodiment, support construction 30 is used to support the upper end of crankshaft 22, to prevent crankshaft 22 from existing Dancing occurs in operational process.In rotor compressor operational process, dynamic structure 40 is logical by what is be arranged on crankshaft 22 Lubricant medium in oil sump is delivered between crankshaft 22 and support construction 30 by oilhole 221, to support construction 30 and crankshaft 22 Junction be lubricated, both prevent the abrasion of junction recurring structure and influence crankshaft 22 and support construction 30 uses the longevity Life.

With crankshaft in the prior art with lubricated between support construction it is insufficient compared with, the rotor compressor in the present embodiment makes It obtains and obtains sufficient lubrication between support construction 30 and crankshaft 22, prevent crankshaft 22 and 30 recurring structure of support construction from wearing and influencing The service life of rotor compressor guarantees that support construction 30 provides a supporting role crankshaft 22, and then promotes rotor compressor Operational reliability.Meanwhile the above-mentioned setting in the present embodiment can reduce rotor compressor due to crankshaft 22 and support construction 30 Junction lubricate it is insufficient and generate vibration and noise, and then promoted rotor compressor working performance, improve user make With experience.

In the present embodiment, above structure is arranged so that rotor compressor is in high-speed cruising, and the rotor 90 of motor can It is effectively constrained, the amount of deflection of rotor 90 is greatly reduced, the rotor 90 for avoiding motor is contacted with stator 60 sweeps thorax problem, also solves Between support construction of having determined 30 and the top of crankshaft 22 the problem of lubricating difficulties, the support reliability of support construction 30, drop are ensured The noise of low rotor compressor and vibration.Meanwhile the above-mentioned setting in the present embodiment solves rotor compressor in the prior art Spit oil cut rate height, the problem of internal oil return hardly possible.

In the present embodiment, oil-through-hole 221 is the through-hole through 22 whole length of crankshaft.

As shown in Figure 1, dynamic structure 40 is arranged in the lower end of crankshaft 22 and is connected to oil-through-hole 221.In this way, in rotor pressure In contracting machine operational process, the lubricant medium in oil sump is delivered to the lower end of crankshaft 22 by dynamic structure 40, and lubricant medium is via song The oil-through-hole 221 of axis 22 moves upwards and is transported to the upper end of crankshaft 22, with the junction to crankshaft 22 and support construction 30 It is lubricated, prevents crankshaft 22 and 30 recurring structure of support construction from wearing and influencing the service life of rotor compressor.Above-mentioned knot The structure of structure is simple, is easy assembly, realizes.

It should be noted that the setting position of dynamic structure 40 is without being limited thereto.Optionally, dynamic structure 40 is located at shell 10 Upper end or middle position interior and that be located at crankshaft 22.

In the present embodiment, dynamic structure 40 is gear pump.In this way, support construction 30 is right in 22 rotation process of crankshaft The movement of 22 radial direction of crankshaft is limited, and prevents crankshaft 22 from the shaking on the direction of front and rear, left and right occurs and influences rotor pressure The normal operation of contracting machine.Meanwhile gear pump has the characteristics that structure is simple, operating environment requirements are low and at low cost, and then reduces The processing cost of rotor compressor, so that staff is more easier the operation of rotor compressor, is easy.

Specifically, in rotor compressor operational process, the lubricant medium in oil sump is pumped to crankshaft 22 by gear pump In oil-through-hole 221, and the lubricant medium in oil-through-hole 221 is pumped to the upper end of crankshaft 22 and the junction of support construction 30, To be lubricated to the two junction, reduce the friction force of junction.

In the present embodiment, gear pump is crescent gear pump.Crescent gear pump is steady, high-efficient with conveying, makes an uproar The features such as sound is small and long service life, the medium big suitable for transport viscosity.

As shown in Figure 1 and Figure 5, rotor compressor further includes connector 50.Wherein, it by crankshaft 22 and is moved by connector 50 Power structure 40 connects, so that crankshaft 22 drives at least part dynamic structure 40 to move.In rotor compressor operational process, electricity The rotor 90 of machine is rotated with dynamic crankshaft 22, and crankshaft 22 drives dynamic structure 40 to move by connector 50, to realize dynamic structure 40 pump action.The structure of above structure is simple, easy to accomplish.

As shown in figure 5, connector 50 has along its axially extending through-hole 51, the both ends of through-hole 51 respectively with oil-through-hole 221 and oil sump connection.In this way, above-mentioned setting enables the lubricant medium in oil sump to enter to via the through-hole 51 of connector 50 In the oil-through-hole 221 of crankshaft 22, to guarantee that dynamic structure 40 can be realized normal pump function.

As shown in Figure 4 and Figure 5, dynamic structure 40 be gear pump, connector 50 include sequentially connected first shaft part 52 and Second shaft part 53, the first shaft part 52 are stretched in oil-through-hole 221 and are interference fitted with oil-through-hole 221, the second shaft part 53 and gear The driving tooth 41 of pump connects and driving tooth 41 is driven to rotate.Specifically, the first shaft part 52 of connector 50 is matched with 22 interference of crankshaft It closes, so that the first shaft part 52 rotates under the drive of crankshaft 22.Meanwhile second shaft part 53 as the first shaft part 52 rotates and drives The driving tooth 41 of dynamic structure 40 rotates, and driving tooth 41 drives the driven tooth 42 engaged to rotate, by the lubrication in oil sump Medium is sucked into gear pump, via entering in oil-through-hole 221 after gear pump and connector 50, to tie to crankshaft 22 and support The junction of structure 30 is lubricated.

Specifically, gear pump includes inner gear rotor (driving tooth 41) and external gear rotor (driven tooth 42), passes through internal tooth Pump action is realized in the intermeshing rotation for taking turns rotor (driving tooth 41) and external gear rotor (driven tooth 42).Second shaft part 53 is inserted Enter to inner gear rotor (driving tooth 41), for driving inner gear rotor (driving tooth 41) to be rotated.

Optionally, the diameter of axle of the first shaft part 52 is greater than the diameter of axle of the second shaft part 53.

Optionally, dynamic structure 40 is installed on the lower surface of the lower cover plate 25 of pump assembly 20 by fastener 80.

It should be noted that the connection type of the first shaft part 52 and oil-through-hole 221 is without being limited thereto.Optionally, the first shaft part 52 are connect or are welded or riveted by fastener with oil-through-hole 221.Above-mentioned connection type makes the first shaft part 52 and crankshaft 22 Connection is more firm, improves the structural stability of rotor compressor.

As shown in Fig. 2, rotor compressor further includes the shell being located at outside crankshaft 22, support construction 30 and dynamic structure 10, partial shell 10 is fixedly connected with support construction 30, and support construction 30 includes support component 31 and bearing arrangement 32.Wherein, Support component 31 has the center through hole 311 being arranged along its axis direction.Bearing arrangement 32 is fixed at center through hole 311 It is interior, and bearing arrangement 32 is set in outside crankshaft 22.Specifically, shell 10 and support component 31 are welded, so that 31 quilt of support component It is fixed in shell 10, bearing arrangement 32 is fixed in the center through hole 311 of support component 31, to prop up crankshaft 22 Support prevents crankshaft 22 from the play of radial direction occurs.In this way, above-mentioned setting guarantees that support construction 30 plays support to crankshaft 22 and makees With the amount of deflection of reduction crankshaft 22.

As depicted in figs. 1 and 2, support construction 30 further includes sealing element 33.Wherein, the centrally disposed through-hole of sealing element 33 One end of 311 separate crankshaft 22, center through hole 311, the upper end of crankshaft 22, bearing arrangement 32 and sealing element 33 form shoe cream room 34, the lubricant medium being discharged from the top of oil-through-hole 221 is able to enter to shoe cream room 34, to moisten to bearing arrangement 32 It is sliding.In this way, the lubricant medium in oil sump is delivered to the logical oil of crankshaft 22 by dynamic structure 40 in rotor compressor operational process In hole 221, the lubricant medium in oil-through-hole 221 is transported in shoe cream room 34, guarantees have between crankshaft 22 and bearing arrangement 32 There is sufficient lubricant medium.

Optionally, sealing element 33 is sealing-plug.

As shown in Figure 1, rotor compressor pump assembly 20 be arranged in shell 10, pump assembly 20 include cylinder 21 and Across the crankshaft 22 of cylinder 21.Support construction 30 is located at the top of cylinder 21.

As shown in fig. 6, the inner wall of the close crankshaft 22 of bearing arrangement 32 has oil groove 321, the lubrication in shoe cream room 34 is situated between Matter can be drained into outside bearing arrangement 32 by oil groove 321.In this way, being filled when having between crankshaft 22 and the junction of bearing arrangement 32 When the lubricant medium of foot, extra lubricant medium is drained into outside bearing arrangement 32 by oil groove 321 and is again introduced into oil sump, real Existing lubricant medium recycles, and improves capacity usage ratio.

As shown in fig. 6, oil groove 321 is in the shape of a spiral, and the rotation direction of oil groove 321 is opposite with the direction of rotation of crankshaft 22.Oil groove 321 cavity for being connected to outside shoe cream room 34 and bearing arrangement 32 guarantees that the lubricant medium in shoe cream room 34 smoothly releases.

As shown in figures 1 and 3, rotor compressor further includes stator 60, and support component 31 includes bracket 312 and bearing block 313.Wherein, bracket 312 is fixedly connected with shell 10, and bracket 312 has multiple notch 312a being circumferentially arranged along it, and multiple Notch 312a and the stator notch 61 of stator 60 are correspondingly arranged.Bearing block 313 is connect by fastener with bracket 312, bearing block 313 have center through hole 311.In this way, the above-mentioned setting of notch 312a and stator notch 61 guarantees the lubricant medium of motor epicoele It can be back in oil sump, to realize recycling for lubricant medium, avoid occurring petrol starvation in rotor compressor.

Specifically, bracket 312 is ring structure, has the supporting surface of convex, has threaded hole on supporting surface, outer circle is logical Cross the inner wall for being fixedly welded on shell 10.Bearing block 313 is cross flange face, and the center has center through hole 311.Ten There is screwing through hole on font flange face, bearing block 313 is locked by screw to the upper surface of bracket 312.Bearing arrangement 32 is embedded In center through hole 311.Wherein, bearing arrangement 32 is sheathed on the top of crankshaft 22, and 22 clearance fit of crankshaft, for constraining song Radial displacement when 22 high-speed cruising of axis.

Optionally, bracket 312 and shell 10 weld.

Optionally, fastener is bolt.

As shown in fig. 7, bearing arrangement 32 is sliding bearing, along the center radially outward direction of sliding bearing, sliding axle The bearing shell 322 held is successively formed by polytetrafluoroethylene (PTFE) 322a, sintering diamond bit 322b and steel back 322c.Specifically, sliding The bearing shell 32 of dynamic bearing is the overlaying structure of one kind of multiple materials, and outer surface is steel back 322c, middle layer is that sintering metal is more Porous materials 322b, interior surface layers are polytetrafluoroethylene (PTFE) 322a.In this way, above-mentioned setting so that sliding bearing bearing shell 322 have compared with Good wearability, lower frictional dissipation improve the reliable operation of bearing arrangement 32 to extend the service life of bearing arrangement 32 Property.Meanwhile sintering diamond bit 322b can reduce and eliminate the internal stress of bearing shell 322, prevent bearing shell 322 from deforming And warped, improve the molding production efficiency of bearing shell 322.

Optionally, sintering diamond bit 322b is sintered copper porous material.

In the present embodiment, pump assembly 20 includes two or more cylinders 21, use between each cylinder 21 in be spaced Plate separates, and cylinder 21 is mounted between upper flange 23 and lower flange 24, and crankshaft 22 passes through upper flange 23, lower flange 24 and cylinder 21.Each roller 70 is located in corresponding cylinder 21, and is successively placed on the upper, middle and lower eccentric part of crankshaft 22, lower flange 24 It is sealed by lower cover plate 25.The rotor 90 of motor is set on the long shaft part of crankshaft 22, for driving pump assembly 20 to be inhaled The movement such as gas, compression and exhaust.Wherein, the top of crankshaft 22 is equipped with support construction 30, while being arranged in the bottom of crankshaft 22 There is gear pump, the lubricant medium in oil sump is transported between the top of crankshaft 22 and support construction 30 by gear pump, guarantees The lubricity of the two junction.

As shown in Figure 1, the rotor 90 of motor is located at the upper end of pump assembly 20, interference is sheathed on the long shaft part of crankshaft 22 On, the long shaft part of crankshaft 22 stretches out the top of rotor 90, and 60 concentric locking collar of stator is set to the periphery of rotor 90, and fixed shell 10 again On inner wall.

It should be noted that the cylinder number and series of rotor compressor are without being limited thereto.Optionally, rotor compressor turns for twin-stage Sub- compressor.

Present invention also provides a kind of heat exchange equipment (not shown), including above-mentioned rotor compressor.Optionally, heat exchange is set Standby is air conditioner.

Embodiment two

Rotor compressor in embodiment two is from the difference of embodiment one: the type of bearing arrangement 32 is different.

As shown in figure 8, bearing arrangement 32 is rolling bearing.Specifically, the inner ring of bearing arrangement 32 is matched with 22 gap of crankshaft It closes, the outer ring of bearing arrangement 32 is fixed in the center through hole 311 of support component 31, be supported with the upper end to crankshaft 22, Limit.

It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:

Support construction is used to support the upper end of crankshaft, to prevent crankshaft from dancing occurring in the process of running.In rotor In compressor operational process, dynamic structure by the oil-through-hole that is arranged on crankshaft by the lubricant medium in oil sump be delivered to crankshaft with Between support construction, be lubricated with the junction to support construction and crankshaft, both prevent the abrasion of junction recurring structure and Influence the service life of crankshaft and support construction.

With crankshaft in the prior art with lubricated between support construction it is insufficient compared with, the rotor compressor in the application makes Sufficient lubrication is obtained between support construction and crankshaft, prevents crankshaft and support construction recurring structure from wearing and influencing rotor compressor Service life, guarantee support construction crankshaft is provided a supporting role, and then promoted rotor compressor operational reliability.Together When, the above-mentioned setting in the application can reduce rotor compressor since the junction of crankshaft and support construction lubrication is insufficient and The vibration of generation and noise, and then the working performance of rotor compressor is promoted, it improves the user experience.

Obviously, above-mentioned described embodiment is only the embodiment of the utility model a part, rather than whole realities Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work The range of the utility model protection all should belong in the every other embodiment obtained.

It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet Include " when, indicate existing characteristics, step, work, device, component and/or their combination.

It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein Or the sequence other than those of description is implemented.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (16)

1. a kind of rotor compressor characterized by comprising

Crankshaft (22), the crankshaft (22) have along its axially extending oil-through-hole (221)；

Support construction (30), the support construction (30) support the crankshaft (22), to prevent the crankshaft (22) from occurring along it The movement of radial direction；

Lubricant medium in oil sump is delivered to by dynamic structure (40), the dynamic structure (40) by the oil-through-hole (221) Between the crankshaft (22) and the support construction (30).

2. rotor compressor according to claim 1, which is characterized in that the dynamic structure (40) is arranged in the crankshaft (22) lower end is simultaneously connected to the oil-through-hole (221).

3. rotor compressor according to claim 1, which is characterized in that the dynamic structure (40) is gear pump.

4. rotor compressor according to claim 3, which is characterized in that the gear pump is crescent gear pump.

5. rotor compressor according to claim 1 or 2, which is characterized in that further include:

The crankshaft (22) is connect, so that institute by connector (50) by the connector (50) with the dynamic structure (40) It states crankshaft (22) and drives at least part dynamic structure (40) movement.

6. rotor compressor according to claim 5, which is characterized in that the connector (50) has axially extending along its Through-hole (51), the both ends of the through-hole (51) are connected to the oil-through-hole (221) and the oil sump respectively.

7. rotor compressor according to claim 5, which is characterized in that the dynamic structure (40) is gear pump, described Connector (50) includes sequentially connected first shaft part (52) and the second shaft part (53), and first shaft part (52) stretches to described It is interference fitted in oil-through-hole (221) and with the oil-through-hole (221), the driving tooth of the second shaft part (53) and the gear pump (41) it connects and the driving tooth (41) is driven to rotate.

8. rotor compressor according to claim 1, which is characterized in that the rotor compressor further include be located at it is described The shell (10) of crankshaft (22), the support construction (30) and the dynamic structure (40) outside, the part shell (10) and institute It states support construction (30) to be fixedly connected, the support construction (30) includes:

Support component (31), the support component (31) have the center through hole (311) being arranged along its axis direction；

Bearing arrangement (32) is fixed in the center through hole (311), and the bearing arrangement (32) is set in the song Axis (22) is outside.

9. rotor compressor according to claim 8, which is characterized in that the support construction (30) further include:

Sealing element (33) is arranged in one end far from the crankshaft (22) of the center through hole (311), the center through hole (311), the upper end of the crankshaft (22), the bearing arrangement (32) and the sealing element (33) form shoe cream room (34), from institute The lubricant medium for stating the upper end discharge of crankshaft (22) is able to enter to the shoe cream room (34), to the bearing arrangement (32) It is lubricated.

10. rotor compressor according to claim 9, which is characterized in that the close song of the bearing arrangement (32) The inner wall of axis (22) has oil groove (321), and the lubricant medium in the shoe cream room (34) can be drained by the oil groove (321) The bearing arrangement (32) is outside.

11. rotor compressor according to claim 10, which is characterized in that the oil groove (321) is in the shape of a spiral, and described The rotation direction of oil groove (321) is opposite with the direction of rotation of the crankshaft (22).

12. rotor compressor according to claim 8, which is characterized in that further include stator (60), the support component (31) include:

Bracket (312) is fixedly connected with the shell (10), and the bracket (312) has multiple notches being circumferentially arranged along it (312a), and multiple notches (312a) and the stator notch (61) of the stator (60) are correspondingly arranged；

Bearing block (313) is connect by fastener with the bracket (312), and the bearing block (313) has the center through hole (311)。

13. rotor compressor according to claim 8, which is characterized in that the bearing arrangement (32) is sliding bearing, edge The center radially outward direction of the sliding bearing, the bearing shell (322) of the sliding bearing is successively by polytetrafluoroethylene (PTFE) (322a), sintering diamond bit (322b) and steel back (322c) formation.

14. rotor compressor according to claim 13, which is characterized in that the sintering diamond bit (322b) is Sintered copper porous material.

15. rotor compressor according to claim 8, which is characterized in that the bearing arrangement (32) is rolling bearing.

16. a kind of heat exchange equipment, which is characterized in that including rotor compressor described in any one of claims 1 to 15.