CN207621196U - A kind of drum-type gear coupling applied to axle envelope type core main pump - Google Patents

A kind of drum-type gear coupling applied to axle envelope type core main pump Download PDF

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Publication number
CN207621196U
CN207621196U CN201721061334.5U CN201721061334U CN207621196U CN 207621196 U CN207621196 U CN 207621196U CN 201721061334 U CN201721061334 U CN 201721061334U CN 207621196 U CN207621196 U CN 207621196U
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China
Prior art keywords
drum
tooth
wheel hub
type
gear coupling
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Application number
CN201721061334.5U
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Chinese (zh)
Inventor
宋小伍
符伟
牛红军
雍兴平
于生力
王丽
周太勇
李中双
马家炯
唐堃
陶邵佳
孙琪
刘亚玲
刘洋
李娟娟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENYANG BLOWER WORKS GROUP NUCLEAR POWER PUMP CO Ltd
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SHENYANG BLOWER WORKS GROUP NUCLEAR POWER PUMP CO Ltd
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Priority to CN201721061334.5U priority Critical patent/CN207621196U/en
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Abstract

The utility model is related to million, millions nuclear power equipment fields, specially a kind of drum-type gear coupling applied to axle envelope type core main pump.Include the sleeve for connecting the wheel hub of motor shaft, for connecting upper pump shaft top drum type tooth, the bottom end of wheel hub has drum type tooth;The inner wall of sleeve upper and lower ends is respectively provided with linear slot tooth, the slot tooth engagement that wheel hub passes through drum type tooth and sleeve.Pass through vertical drum-type gear coupling, horizontal drum-type gear coupling in the prior art new application field has been transferred to, the application on million grades, millions axle envelope type core main pump is realized, million grades, the drum-type gear coupling blank of millions axle envelope type core main pump have been filled up in existing field.

Description

A kind of drum-type gear coupling applied to axle envelope type core main pump
Technical field
It is specially a kind of applied to axle envelope type core main pump the utility model is related to million, millions nuclear power equipment field Drum-type gear coupling.
Background technology
Drum-type gear coupling is one of critical component of great rotating machinery and chief component, including mammoth pump The drum-type gear coupling of different magnitude torques and rotating speed used in class product, Large centrifugal compressors and large-scale reciprocating engine, Such drum-type gear coupling is widely used at present horizontal type structure, and external setting oil supply system lubricates by force, be widely used in thermoelectricity, Petrochemical field.
Requirement due to nuclear power field to the safety of equipment, reliability, maintenanceability is extremely stringent, at present country's nuclear power Field not yet used the drum-type gear coupling of the structure on main pump, as country greatly develops nuclear power and the Revival of China equipment Manufacturing industry is badly in need of carrying out technological break-through to drum-type gear coupling, to realize the requirement of axle envelope type core main pump production domesticization.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of drum type tooth shaft coupling applied to axle envelope type core main pump Device.
One side according to the present utility model provides a kind of drum-type gear coupling applied to axle envelope type core main pump, packet Include the wheel hub for connecting motor shaft and the sleeve for connecting upper pump shaft top drum type tooth;The bottom end of the wheel hub has drum type The inner wall of tooth, the sleeve upper and lower ends is respectively provided with linear slot tooth, and the wheel hub is nibbled by the slot tooth of drum type tooth and sleeve It closes.
Further, the slot tooth is upper slot tooth and lower slot tooth, and the upper slot tooth is arranged at the top of the inner wall of the sleeve, The lower slot tooth is arranged in the inner wall bottom of the sleeve, the drum type tooth of the wheel hub and the upper slot tooth engagement.
Further, the inside of the wheel hub has the cavity that can accommodate the motor shaft spindle nose, the wheel hub removable That unloads is connected on motor shaft spindle nose.
Further, there is boss on the outer wall of the wheel hub, there is buffering ring in the middle part of the inside of the sleeve, it is described slow The bottom of the wheel hub can be sleeved on by rushing ring, and the boss is connected with the buffering ring upper and lower gap.
Further, on the inner wall of the wheel hub further include keyway and key pin corresponding with the keyway, the motor shaft Pass through the keyway and the key pin and the radially fixed connection of the wheel hub.
Further, at the top of the upper pump shaft there is drum type tooth, the upper pump shaft to pass through the drum type tooth and the lower slot Tooth engagement.
Further, the drum-type gear coupling further includes the coupling guard being arranged outside the drum-type gear coupling, The coupling guard has the oil pipe road for penetrating the coupling guard, and the one end in the oil pipe road is set to point to the wheel hub With the atomizer at the top of the sleeve.
Further, the drum-type gear coupling further includes the coupling cover being arranged at the top of the sleeve, the shaft coupling Device covers multiple oilholes with the drum type tooth for penetrating the coupling cover and the direction wheel hub.
Further, the wheel hub further includes multiple oil holes at the top and middle part that penetrate the wheel hub;The oil is logical The radial clearance of the coupling cover and the wheel hub is directed toward in hole one end, and the other end of the oil hole is directed toward the upper pump shaft.
Further, there are the multiple oil-through-holes for vertically penetrating the buffering ring on the buffering ring.
A kind of drum-type gear coupling applied to axle envelope type core main pump provided by the utility model, passes through vertical drum type tooth Horizontal drum-type gear coupling in the prior art has been transferred to new application field by shaft coupling, realize million grades, ten million Application on grade axle envelope type core main pump, has filled up in domestic existing nuclear power field million grades, the drum of millions axle envelope type core main pump Type gear coupling blank;The compensation performance of drum type toothing be better than other structures, external tooth for drum type tooth increase company two axis it Between the opposite offset that allows, compensate for well two between centers tilting tolerance and radial and axial installation caused by displacement miss Difference ensure that shafting steadily operates;By the drum type tooth of wheel hub and the straight line type groove toothing of sleeve, shaft coupling performance safety can It leans on;Axis of the axial line under certain angle, contact situation is set to be improved, reduce contact stress, eliminate shaft coupling The seamed edge of sleeve straight-tooth end squeezes, and improves shaft coupling working performance, improves the ability that shaft coupling transmits torque, extends connection Axis device service life.
Description of the drawings
Fig. 1 is the structural schematic diagram for the drum-type gear coupling that the utility model embodiment provides.
Fig. 2 is the vertical view for the drum-type gear coupling that the utility model embodiment provides.
Specific implementation mode
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings with reality Example is applied to be described in detail the utility model.
For the ease of the understanding of those skilled in the art, the "upper", "lower" isotropy vocabulary are determined with attached drawing 1 's.In attached drawing 1, ten two directions of axial line are "upper", and 6 directions of axial line are "lower".
Referring to Fig. 1, Fig. 2, a kind of drum-type gear coupling applied to axle envelope type core main pump is present embodiments provided.Drum type tooth Shaft coupling is vertical structure, include for connecting the wheel hub 1 of motor shaft 91, the sleeve for connecting 90 top drum type tooth of upper pump shaft 2.There is drum type tooth, the inner wall of 2 upper and lower ends of sleeve to be respectively provided with slot tooth 3 for the bottom end of wheel hub 1, and wheel hub 1 passes through drum type tooth and sleeve 2 Slot tooth 3 engage.When rotated, motor reel 91 rotates motor with runner hub 1.The slot that wheel hub 1 passes through drum type tooth and sleeve 2 Tooth 3 engages, therefore sleeve 2 also rotates therewith.Sleeve 2 is connect with the upper pump shaft 90 of the core main pump pump housing, therefore the pump housing of core main pump Start rotary work by sleeve 2 and upper pump shaft 90.
As shown in Figure 1, slot tooth 3 provided in this embodiment is specially upper slot tooth 31 and lower slot tooth 32.Upper slot tooth 31 and lower slot Tooth 32 is the straight line type groove tooth with axis parallel, and upper slot tooth 31 is structure symmetrical above and below with lower slot tooth 32.Upper slot tooth 31 is set It sets at the top of 2 inner wall of sleeve, slot tooth one end and the top levels of sleeve 2 are coplanar, convenient for the processing of sleeve and slot tooth, simultaneously It also allows for wheel hub 1 being mounted in sleeve 2.Lower slot tooth 32 is arranged at the bottom of 2 inner wall of sleeve, the bottom of slot tooth one end and sleeve 2 Portion's horizontal plane is coplanar.In addition, there is drum type tooth, upper pump shaft 90 to be engaged with lower slot tooth 32 by drum type tooth at upper pump shaft 90 top.Under The structure of slot tooth and position are convenient for the installation with upper pump shaft 90.
As shown in Figure 1, wheel hub 1 provided in this embodiment is specially:The inside of wheel hub 1 have can accommodate motor shaft spindle nose Cavity, the bottom of wheel hub 1 has support plate 4, multiple through-holes is arranged in support plate 4.Wheel hub 1 is sleeved on 91 spindle nose of motor shaft On, bolt is connect across through-hole with 91 axial restraint of motor shaft.Wherein, wheel hub 1 is fixedly connected with support plate 4, and can also be can The connection of dismounting.Support plate 4 and the spindle nose end face of motor shaft 91 contradict, and are bolted, and are conducive to overhaul or replace sleeve 2 And its component.Since 2 weight of sleeve is smaller relative to axle envelope type core main pump overall weight, it is therefore possible to use at least two bolt Spindle nose for sleeve 2 to be fixed on to motor shaft 91.In actual use, motor rotates, and motor shaft 91 is coaxial with sleeve 2 Rotation.
There is boss on the outer wall of wheel hub 1, there is buffering ring 5 in the middle part of the inside of sleeve 2.Buffering ring 5 can be sleeved on wheel hub 1 Bottom, boss and buffering ring upper and lower gap are connected.In actual use, in order to avoid wheel hub 1 and sleeve 2 generate axial position It moves, especially to bottom offset, buffering ring 5 of the setting with pooling feature is needed to be used as backstop.Meanwhile it being installed to by sleeve 2 During wheel hub 1, buffering ring 5 can also play the role of positioning.
Further include slot 61 and key pin 62 corresponding with keyway 61 on the inner wall of wheel hub 1, motor shaft 91 passes through keyway 61 and key Pin 62 and 1 radially fixed connection of wheel hub.The spindle nose of motor shaft 91 is generally cylindrical, is easy to happen at work relative to wheel hub 1 radial displacement.By the way that keyway 61 and key pin 62 is arranged, the generation of this radial displacement can be prevented, while also can be more preferable Carry out power output.
Preferably, keyway 61 and key pin 62 are 2 respectively.
The present embodiment further includes the oil supply gallery suitable for aforementioned drum-type gear coupling, and lubricating oil can pass through oil supply gallery It is lubricated for each slot teeth portion position of drum-type gear coupling or gap site.
Referring to Fig. 1, drum-type gear coupling further includes the coupling guard 7 being arranged outside drum-type gear coupling, coupling guard 7 With the oil pipe road 71 for penetrating coupling guard 7, the one end in oil pipe road 71 is set to point to the oil spout of wheel hub 1 and 2 top of sleeve Mouth 72.In use, connecting external fuel feed pump on coupling guard 7, lubricating oil enters from oil pipe road 71, is sprayed from atomizer 72 Go out.The lubricating oil sprayed from atomizer 72, is directly injected on coupling cover 8.
Referring to Fig. 1, drum-type gear coupling further includes the coupling cover 8 being arranged at 2 top of sleeve, is had on coupling cover 8 It penetrates coupling cover 8 and is directed toward multiple oilholes 81 of the drum type tooth of wheel hub 1.After lubricating oil is ejected on coupling cover 8, from oil Hole 81 penetrates into the gap between the upper slot tooth 31 and the drum type tooth of wheel hub 1 of lower section, completes to upper slot tooth 31 and drum type The lubrication of tooth.In addition, also having gap between coupling cover 8 and wheel hub 1, lubricating oil is leaked downwards by gap, runner wheel hub 1 Top side wall.
Referring to Fig. 1, wheel hub 1 further includes multiple oil holes 101 at the top and middle part that penetrate wheel hub 1.101 one end of oil hole It is directed toward the radial clearance of coupling cover 8 and wheel hub 1, the other end of oil hole 101 is directed toward upper pump shaft 90.Lubricating oil flows to wheel hub 1 Top side wall after, leaked downwards by oil hole 101, lubricating oil flows to the top of buffering ring 5.
Referring to Fig. 1, there are the multiple oil-through-holes 51 for vertically penetrating buffering ring 5 on buffering ring 5.Lubricating oil passes through oil-through-hole 51 32 top of lower slot tooth is leaked into downwards, is lubricated for the drum type tooth of lower slot tooth 32 and upper pump shaft 90.
Referring to Fig. 1, lubricating oil converges in pump shaft 90 after the space outflow between upper 31 bottom of slot tooth and buffering ring 5 With the space between motor shaft 91.Lubricating oil is entered by way of leakage from the top of lower slot tooth 32, is completed to lower slot tooth 32 Lubrication between the drum type tooth of upper pump shaft 90.After lubrication, lubricating oil is flowed out from the bottom of lower slot tooth 32.
The final lubricating oil of lubricating oil is flow back by discharge pipe in fuel tank.
The operation principle of the drum-type gear coupling proposed below to the utility model embodiment is described:Motor rotates The shaft coupling wheel hub 1 being mounted on 91 spindle nose of motor shaft is driven to rotate.The drum type tooth of wheel hub 1 and the upper slot on coupling sleeve 2 Tooth 31 engages, and wheel hub 1 drives coupling sleeve 2 to rotate.The upper pump of lower slot tooth 32 and core main pump symmetrical above and below with upper slot tooth 31 The drum type tooth engagement of axis 90, sleeve 2 drive upper pump shaft 90 to rotate, and realize that motor does work to the pump housing.In addition, the drum type of wheel hub 1 The drum type tooth engagement of tooth and upper slot tooth and lower slot tooth and upper pump shaft 90 is done work, and needs to carry out thin oil lubricant between the flank of tooth, to prolong Growth device service life.The lubricating oil that required pressure and flow are provided by lubricating oil system enters drum type tooth along oil supply gallery 7 In shaft coupling.Lubricating oil after the ejection of several atomizers, by way of gravity and leakage to it is each need the component that lubricates into Row lubrication, lubricating oil eventually flow to oil return box.
The drum-type gear coupling structure simplicity of the utility model is easy to dismounting, strong applicability, and transmission torque is big, can meet The use condition of axle envelope type core main pump, the connection being equally applicable between the mechanical rotating device of different type vertical structure.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention, Equivalent structure transformation made by using the description of the utility model and the drawings is applied directly or indirectly in other phases The technical field of pass, is equally included in the patent within the scope of the utility model.

Claims (10)

1. a kind of drum-type gear coupling applied to axle envelope type core main pump, it is characterised in that:Including being used to connect motor shaft (91) Wheel hub (1) and sleeve (2) for connecting upper pump shaft (90) top drum type tooth;The bottom end of the wheel hub (1) has drum type tooth, The inner wall of sleeve (2) upper and lower ends is respectively provided with linear slot tooth (3), and the wheel hub (1) passes through drum type tooth and sleeve (2) Slot tooth (3) engagement.
2. drum-type gear coupling according to claim 1, it is characterised in that:The slot tooth (3) be upper slot tooth (31) and under Slot tooth (32), at the top of the inner wall of the sleeve (2), the lower slot tooth (32) is arranged in the set for upper slot tooth (31) setting The inner wall bottom of cylinder (2), the drum type tooth of the wheel hub (1) are engaged with the upper slot tooth (31).
3. drum-type gear coupling according to claim 1, it is characterised in that:The inside of the wheel hub (1) has and can hold Receive the cavity of the motor shaft (91) spindle nose, the wheel hub (1) is removably attachable on motor shaft (91) spindle nose.
4. drum-type gear coupling according to claim 1, it is characterised in that:There is boss on the outer wall of the wheel hub (1), There is buffering ring (5), the buffering ring (5) can be sleeved on the bottom of the wheel hub (1), institute in the middle part of the inside of the sleeve (2) Boss is stated to be connected with the buffering ring (5) upper and lower gap.
5. drum-type gear coupling according to claim 1, it is characterised in that:Further include key on the inner wall of the wheel hub (1) Slot (61) and key pin corresponding with the keyway (61) (62), the motor shaft (91) pass through the keyway (61) and the key pin (62) with the wheel hub (1) radially fixed connection.
6. drum-type gear coupling according to claim 2, it is characterised in that:There is drum type at the top of the upper pump shaft (90) Tooth, the upper pump shaft (90) are engaged by the drum type tooth with the lower slot tooth (32).
7. drum-type gear coupling according to claim 1, it is characterised in that:The drum-type gear coupling further includes that setting exists Coupling guard (7) outside the drum-type gear coupling, the coupling guard (7), which has, penetrates the logical of the coupling guard (7) One end of oil-piping (71), the oil pipe road (71) is set to point to the wheel hub (1) and the atomizer at the top of the sleeve (2) (72)。
8. drum-type gear coupling according to claim 1, it is characterised in that:The drum-type gear coupling further includes that setting exists Coupling cover (8) at the top of the sleeve (2) has on the coupling cover (8) and penetrates the coupling cover (8) and be directed toward institute State multiple oilholes (81) of the drum type tooth of wheel hub (1).
9. drum-type gear coupling according to claim 8, it is characterised in that:The wheel hub (1) further includes penetrating the wheel The top of hub (1) and multiple oil holes (101) at middle part;It is directed toward the coupling cover (8) and institute in described oil hole (101) one end The radial clearance of wheel hub (1) is stated, the other end of the oil hole (101) is directed toward the upper pump shaft (90).
10. drum-type gear coupling according to claim 4, it is characterised in that:Have on the buffering ring (5) and vertically penetrates Multiple oil-through-holes (51) of the buffering ring (5).
CN201721061334.5U 2017-08-23 2017-08-23 A kind of drum-type gear coupling applied to axle envelope type core main pump Active CN207621196U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721061334.5U CN207621196U (en) 2017-08-23 2017-08-23 A kind of drum-type gear coupling applied to axle envelope type core main pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721061334.5U CN207621196U (en) 2017-08-23 2017-08-23 A kind of drum-type gear coupling applied to axle envelope type core main pump

Publications (1)

Publication Number Publication Date
CN207621196U true CN207621196U (en) 2018-07-17

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020133263A1 (en) * 2018-12-28 2020-07-02 中车戚墅堰机车车辆工艺研究所有限公司 Drum-shaped gear coupling and gear drive system provided with same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020133263A1 (en) * 2018-12-28 2020-07-02 中车戚墅堰机车车辆工艺研究所有限公司 Drum-shaped gear coupling and gear drive system provided with same

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