CN114526321B - High-speed end supporting structure of ultra-high-speed gear box - Google Patents
High-speed end supporting structure of ultra-high-speed gear box Download PDFInfo
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- CN114526321B CN114526321B CN202210086496.3A CN202210086496A CN114526321B CN 114526321 B CN114526321 B CN 114526321B CN 202210086496 A CN202210086496 A CN 202210086496A CN 114526321 B CN114526321 B CN 114526321B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
- F16F15/085—Use of both rubber and metal springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/0006—Vibration-damping or noise reducing means specially adapted for gearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a supporting structure for a high-speed end of an ultra-high speed gear box, which belongs to the field of manufacturing of ultra-high speed gear box equipment and aims to solve the problems that an existing ultra-high speed gear box is supported in an integral rigid mode, the existing ultra-high speed gear box is not favorable for disassembly and replacement while poor in stability effect, and replacement is not favorable when parts inside the high-speed end are damaged.
Description
Technical Field
The invention belongs to the field of manufacturing of ultra-high speed gear box equipment, and particularly relates to a high-speed end supporting structure of an ultra-high speed gear box.
Background
The gear transmission is an important transmission form for transmitting power, and plays an important role in the fields of automobiles, ships, aerospace, aviation and the like. The power of the planetary gear box is output coaxially after being divided by a plurality of planet wheels, and the planetary gear box has the characteristics of small volume, light weight, large speed ratio and the like and is widely applied. Along with the promotion of science and technology development and user demand, gear transmission power grow gradually, the rotational speed risees gradually, the stability of its high-speed end also receives the influence relatively, thereby it is also relatively poor to lead to high-speed gear box stability at the during operation, in order to reduce the influence of high rotational speed of high-speed end to the gear box in actual work, can support near the casing of gear box high-speed end usually, but this kind of support all adopts whole welded fastening's mode to set up, still be unfavorable for when its stable effect is relatively poor to dismantle the replacement, and also do not favorable to when the inside part of high-speed end appears damaging the change, consequently, research and development a high-speed gear box high-speed end bearing structure convenient to dismantle and have higher stability is very according with actual need.
Disclosure of Invention
The invention aims to solve the technical problems and further provides a high-speed end supporting structure of an ultra-high speed gearbox;
a supporting structure for the high-speed end of an ultra-high-speed gearbox is characterized in that the supporting structure is installed on a connecting shaft in the gearbox shaft and comprises an oil pipe, a sliding bearing, a first auxiliary support, a second auxiliary support, a middle floating shaft, a plurality of first bolts, a plurality of second bolts, a support and a vibration reduction disc, the support is arranged on a housing of the high-speed end of the ultra-high-speed gearbox and is fixedly connected with the housing, the oil pipe is arranged on the support, one end of the oil pipe is communicated with the inside of the support, the other end of the oil pipe is connected with an external lubricating oil input end, the sliding bearing is inserted on the support, an inner ring of the sliding bearing is sleeved on the connecting shaft in the gearbox shaft, an outer ring of the sliding bearing is fixedly connected with the support through the second bolts, the first auxiliary support is arranged on one end of the support, far away from the large gear, the first auxiliary support is fixedly connected with the support, the second auxiliary support is arranged on one end of the first auxiliary support, the second auxiliary support is connected with the middle floating shaft through the first bolts, and is connected with the other end of the auxiliary floating shaft, and is connected with the middle floating shaft;
furthermore, the vibration reduction disc comprises a rotating inner ring, a rotating outer ring, a plurality of rotating bodies, four supporting assemblies, 4N vibration reduction assemblies and a fixing ring, wherein N is a positive integer,
a first annular caulking groove is processed on the outer circular surface of the rotating inner ring along the circumferential direction
A second annular caulking groove is machined in the inner circular surface of the rotating outer ring along the circumferential direction, and the second annular caulking groove and the first annular caulking groove are correspondingly arranged;
the rotating outer ring is sleeved on the rotating inner ring, a plurality of rotating bodies are filled between the rotating outer ring and the rotating inner ring, the plurality of rotating bodies are arranged in a first annular caulking groove and a second annular caulking groove at equal intervals along the circumferential direction, the rotating inner ring is rotatably connected with the rotating outer ring through the plurality of rotating bodies, the fixing ring is sleeved on the rotating outer ring, four supporting assemblies are arranged between the fixing ring and the rotating outer ring at equal intervals along the circumferential direction, one end of each supporting assembly is fixedly connected with the rotating outer ring, the other end of each supporting assembly is fixedly connected with the fixing ring, N vibration damping assemblies are arranged between two adjacent supporting assemblies, the N vibration damping assemblies are arranged at equal intervals along the arc surface where the N vibration damping assemblies are located, one end of each vibration damping assembly is fixedly connected with the rotating outer ring, and the other end of each vibration damping assembly is fixedly connected with the fixing ring;
further, the supporting assembly comprises a top fixing block, a bottom fixing block, two arc-shaped plates and a central supporting column, the top fixing block and the bottom fixing block are arranged oppositely from top to bottom, the top fixing block is fixedly connected with a fixing ring, the bottom fixing block is fixedly connected with a rotating outer ring, the central supporting column is arranged between the top fixing block and the bottom fixing block, one end of the central supporting column is fixedly connected with the top fixing block, the other end of the central supporting column is fixedly connected with the bottom fixing block, the two arc-shaped plates are oppositely arranged on two sides of the central supporting column, one end of each arc-shaped plate is fixedly connected with the top fixing block, and the other end of the central supporting column is fixedly connected with the bottom fixing block;
furthermore, a plurality of vibration reduction plectrums are sleeved on the outer circular surface of the central support column at equal intervals along the axial direction;
further, the value range of N is 1-3;
further, the vibration damping assembly comprises a second top fixing block, a second bottom fixing block and a vibration damping rubber column, the second top fixing block and the second bottom fixing block are arranged oppositely from top to bottom, the second top fixing block is fixedly connected with the fixing ring, the second bottom fixing block is fixedly connected with the rotating outer ring, the vibration damping rubber column is arranged between the second top fixing block and the second bottom fixing block, one end of the vibration damping rubber column is fixedly connected with the second top fixing block, and the other end of the vibration damping rubber column is fixedly connected with the second bottom fixing block;
furthermore, a damping spring is sleeved on the outer circular surface of the damping rubber column, one end of the damping spring is fixedly connected with the second top fixing block, and the other end of the damping spring is fixedly connected with the second bottom fixing block;
furthermore, a first connecting blind hole is processed in the center of the other end of the connecting shaft in the gear shaft, herringbone teeth are processed on the inner wall of the first connecting blind hole at equal intervals along the circumferential direction, a second connecting blind hole is processed in the center of the input end of the transmission shaft, herringbone teeth are processed on the inner wall of the second connecting blind hole at equal intervals along the circumferential direction, herringbone teeth are processed on the outer circular surface of each end of the middle floating shaft at equal intervals along the circumferential direction, one end of the middle floating shaft is inserted into the first connecting blind hole, the other end of the middle floating shaft is inserted into the second connecting blind hole, and the middle floating shaft, the gear shaft and the transmission shaft are in tooth meshing transmission;
furthermore, a shearing safety ring is processed on the outer circular surface of the transmission shaft;
furthermore, a radial through hole is processed on an inner tooth surface in the first connecting blind hole, and a radial through hole is processed on an inner tooth surface in the second connecting blind hole.
Compared with the prior art, the invention has the following beneficial effects:
1. the supporting structure of the high-speed end of the ultra-high-speed gear box, provided by the invention, adopts a split dismounting structure, is simple in structure and exquisite in design, can be mounted and dismounted on site at a use place, and has good maintainability and accessibility.
2. The supporting structure for the high-speed end of the ultra-high-speed gearbox, provided by the invention, is safe and reliable in structure, can be used in occasions with high transmission rotating speed, and can be suitable for rotating speeds up to 70000 r/min.
Drawings
Fig. 1 is a schematic diagram of the general structure of the present invention:
FIG. 2 is a front view of the damping disk of the present invention;
FIG. 3 is a schematic front view of a support assembly of the present invention;
FIG. 4 is a side view of the support assembly of the present invention;
fig. 5 is a front view schematically illustrating a vibration damping module according to the present invention.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 5, and provides a high-speed end supporting structure of a super-speed gearbox, the high-speed end of the super-speed gearbox consists of a large gear 1 and a gear shaft 2, the gear shaft 2 comprises a small gear and a connecting shaft, one end of the small gear is coaxially and fixedly connected with one end of the connecting shaft, the large gear 1 is arranged on the gear of the small gear on the gear shaft 2 in a meshing manner, the supporting structure is arranged on the connecting shaft in the gear shaft 2, the supporting structure comprises an oil pipe 3, a sliding bearing 4, a first auxiliary support 5, a second auxiliary support 6, a middle floating shaft 7, a plurality of first bolts 10, a plurality of second bolts 11, a bracket 12 and a damping disc 13, the bracket 12 is arranged on a housing 9 at the high-speed end of the super-speed gearbox, the bracket 12 is fixedly connected with the housing 9, the oil pipe 3 is arranged on the bracket 12, one end of the oil pipe 3 is communicated with the inside of the bracket 12, the other end of the oil pipe 3 is connected with an external lubricating oil input end, the sliding bearing 4 is inserted on a support 12, an inner ring of the sliding bearing 4 is sleeved on a connecting shaft in the gear shaft 2, an outer ring of the sliding bearing 4 is fixedly connected with the support 12 through a second bolt 11, a first auxiliary support 5 is arranged at one end of the support 12 far away from the big gear 1, the first auxiliary support 5 is fixedly connected with the support 12, a second auxiliary support 6 is arranged at one end of the first auxiliary support 5 far away from the support 12, the second auxiliary support 6 is fixedly connected with the first auxiliary support 5 through a plurality of first bolts 10, one end of a middle floating shaft 7 sequentially penetrates through the second auxiliary support 6 and the first auxiliary support 5 and is in transmission connection with the other end of the connecting shaft, the other end of the middle floating shaft 7 is in transmission connection with an input end of a transmission shaft 8, and the middle floating shaft 7 is in rotation connection with the second auxiliary support 6 and the first auxiliary support 5, the vibration reduction disc 13 is installed in the second auxiliary support 6, and the vibration reduction disc 13 is sleeved on the middle floating shaft 7.
In the embodiment, the middle floating shaft 7 is supported by the first auxiliary support 5 and the second auxiliary support 6, the stability of the middle floating shaft 7 in torque transmission is ensured, the middle floating shaft 7 is effectively damped by the damping disc 13, vibration and centrifugal force generated in high-speed rotation are effectively decomposed, all the vibration and centrifugal force are not transmitted to the box body, the working load of the box body is caused, the vibration frequency of the box body in the working process is reduced, and the integral stability of the high-speed end of the ultra-high-speed gearbox in the working process is further improved.
The second embodiment is as follows: the present embodiment is described with reference to fig. 1 to 5, and the present embodiment further defines the damping disk 13 described in the first embodiment, in which the damping disk 13 includes a rotating inner ring 131, a rotating outer ring 132, a plurality of rotating bodies 133, four support members 134, 4N damping members 135, and a retainer ring 136, N is a positive integer,
a first annular caulking groove is processed on the outer circular surface of the rotating inner ring 131 along the circumferential direction
A second annular caulking groove is machined in the inner circular surface of the rotating outer ring 132 along the circumferential direction, and the second annular caulking groove and the first annular caulking groove are correspondingly arranged;
the utility model discloses a vibration damping device, including rotation outer lane 132 cover, rotation outer lane 132 and rotation inner lane 131 between packing have a plurality of rotor 133, a plurality of rotor 133 set up in annular caulking groove and No. two annular caulking grooves along circumference equidistance, and rotate inner lane 131 and rotate outer lane 132 through a plurality of rotor 133 and be connected in rotating, gu fixed ring 136 cover is established on rotation outer lane 132, gu fixed ring 136 and rotate between outer lane 132 along circumference equidistance be equipped with four supporting component 134, the one end and the rotation outer lane 132 fixed connection of every supporting component 134, the other end and the solid fixed ring 136 fixed connection of every supporting component 134, be equipped with N vibration damping component 135 between two adjacent supporting component 134, N vibration damping component 135 sets up along place cambered surface equidistance, the one end and the rotation outer lane 132 fixed connection of every vibration damping component 135, the other end and gu fixed ring 136 fixed connection of every vibration damping component 135. Other components and connection modes are the same as those of the first embodiment.
The third concrete implementation mode: the embodiment is described with reference to fig. 1 to 5, and the embodiment further defines the support assembly 134 according to the second embodiment, where the support assembly 134 includes a first top fixing block 1341, a first bottom fixing block 1342, two arc plates 1343 and a central support pillar 1344, the first top fixing block 1341 and the first bottom fixing block 1342 are disposed opposite to each other in an up-and-down manner, the first top fixing block 1341 is fixedly connected to the fixing ring 136, the first bottom fixing block 1342 is fixedly connected to the rotating outer ring 132, the central support pillar 1344 is disposed between the first top fixing block 1341 and the first bottom fixing block 1342, one end of the central support pillar 1344 is fixedly connected to the first top fixing block 1341, the other end of the central support pillar 1344 is fixedly connected to the first bottom fixing block 1342, the two arc plates 1343 are disposed on two sides of the central support pillar 1344, one end of each arc plate 1343 is fixedly connected to the first top fixing block 1341, and the other end of the central support pillar 1344 is fixedly connected to the first bottom fixing block 1342. Other components and connection modes are the same as those of the first embodiment.
In this embodiment, the supporting component 134 is used as the main supporting structure of the damping disk 13, it needs to have certain rigidity support, therefore, the central supporting column 1344 is made of metal, the arc plates 1343 on both sides of the central supporting column 1344 play a role in dispersing amplitude, a synchronous high rotating speed can be generated when the middle floating shaft 7 transmits torque, and a radial force is generated at the same time, and is transmitted to the rotating outer ring through the rotating inner ring and transmitted to the supporting component 134, and can be decomposed in three directions when being transmitted to the fixing ring 136 through the supporting component 134, and the central supporting column 1344 is transmitted in the central direction, and the other two directions are transmitted through the arc plates 1343, and the arc plates 1343 can effectively slow down the impact of the radial force through the streamlining of the arc plates themselves, so as to achieve the force-eliminating effect.
The fourth concrete implementation mode: the present embodiment is described with reference to fig. 1 to 5, and the present embodiment further defines the central supporting pillar 1344 according to the third embodiment, and other components and connection manners of the plurality of damping paddles 1345 are equally sleeved on the outer circumferential surface of the central supporting pillar 1344 along the axial direction in the present embodiment.
In this embodiment, by arranging the plurality of vibration reduction poking pieces 1345 on the central support column 1344, the radial force applied to the central support column 1344 can be effectively buffered layer by layer, which is beneficial to protecting the central support column 1344 and prolonging the service life of the vibration reduction disc 13.
The fifth concrete implementation mode: this embodiment will be described with reference to fig. 1 to 5, and this embodiment further limits N described in the fourth embodiment, and the value range of N in this embodiment is 1 to 3. The other components and the connection mode are the same as those of the fourth embodiment.
The sixth specific implementation mode: referring to fig. 1 to 5, the embodiment is described, and the embodiment further defines the damping assembly 135 according to the fifth embodiment, where the damping assembly 135 includes a second top fixing block 1351, a second bottom fixing block 1352, and a damping rubber column 1353, the second top fixing block 1351 and the second bottom fixing block 1352 are disposed opposite to each other, the second top fixing block 1351 is fixedly connected to the fixing ring 136, the second bottom fixing block 1352 is fixedly connected to the rotating collar 132, the damping rubber column 1353 is disposed between the second top fixing block 1351 and the second bottom fixing block 1352, one end of the damping rubber column 1353 is fixedly connected to the second top fixing block 1351, and the other end of the damping rubber column 1353 is fixedly connected to the second bottom fixing block 1352. The other components and the connection mode are the same as the fifth embodiment mode.
In this embodiment, the main part of damping subassembly 135 is the rubber material, through the deformability of rubber itself, can absorb the impact amplitude when damping disc 13 receives the impact of radial force, and the effectual effect that reaches the buffering has reduced the transmission of radial force, makes No. two auxiliary stay 6 less in the impact that the during operation received, has guaranteed the stability when No. two auxiliary stay 6 rigid connection.
The seventh embodiment: the present embodiment is described with reference to fig. 1 to 5, and is further limited to a damping rubber post 1353 according to a sixth embodiment, in the present embodiment, a damping spring 1354 is sleeved on an outer circumferential surface of the damping rubber post 1353, one end of the damping spring 1354 is fixedly connected to a top fixing block 1351, and the other end of the damping spring 1354 is fixedly connected to a bottom fixing block 1352. Other components and connection modes are the same as those of the sixth embodiment.
So configured, the ability of vibration dampening assembly 135 to absorb vibration amplitude is further enhanced by dampening springs 1354.
The specific implementation mode is eight: the present embodiment is described with reference to fig. 1 to 5, and is further defined by a gear shaft 2 according to a seventh embodiment, in the gear shaft 2, a first connecting blind hole is formed in the center of the other end of the connecting shaft, herringbone teeth are formed on the inner wall of the first connecting blind hole at equal intervals in the circumferential direction, a second connecting blind hole is formed in the center of the input end of the transmission shaft 8, herringbone teeth are formed on the inner wall of the second connecting blind hole at equal intervals in the circumferential direction, herringbone teeth are formed on the outer circumferential surface of each end of the intermediate floating shaft 7 at equal intervals in the circumferential direction, one end of the intermediate floating shaft 7 is inserted into the first connecting blind hole, the other end of the intermediate floating shaft 7 is inserted into the second connecting blind hole, and the intermediate floating shaft 7, the gear shaft 2 and the transmission shaft 8 are in tooth-mesh transmission. The other components and the connection mode are the same as those of the seventh embodiment.
So set up, middle floating shaft 7 and gear shaft 2 and transmission shaft 8 are all through adopting the unsteady mode of tooth-like shaft coupling, and the unsteady mode of tooth-like shaft coupling can compensate axial, angular deformation, makes the transmission more steady, utilizes the herringbone gear to have the function of axial self-align, prevents that pinion 2 from taking place the axial float.
The specific implementation method nine: the present embodiment will be described with reference to fig. 1 to 5, and the present embodiment further defines the drive shaft 8 according to the eighth embodiment, and in the present embodiment, a shear safety ring is formed on an outer circumferential surface of the drive shaft 8. The other components and the connection mode are the same as those of the eighth embodiment.
By the arrangement, the shearing safety ring is arranged on the transmission shaft 8 and can be sheared once overload occurs, so that the interior of the gear box is prevented from being further damaged.
The detailed implementation mode is ten: the present embodiment is described with reference to fig. 1 to 5, and is further limited to the first connecting blind hole and the second connecting blind hole described in the ninth embodiment, in which a radial through hole is formed on the inner tooth surface in the first connecting blind hole, and a radial through hole is formed on the inner tooth surface in the second connecting blind hole. The other components and the connection mode are the same as those of the ninth embodiment.
So set up, be equipped with radial through-hole on the internal tooth of gear shaft 2 and the internal tooth of transmission shaft 8, throw into the internal outflow of box with lubricating oil by centrifugal force, prevent to cause the dynamic balance to damage because of there being the lubrication and influence driven stationarity.
The present invention is not limited to the above embodiments, and any person skilled in the art can make many modifications and equivalent variations by using the above-described structures and technical contents without departing from the scope of the present invention.
Principle of operation
When the high-speed gearbox is used, all the components are assembled together according to the connection relation of the first embodiment to the tenth embodiment, when the middle floating shaft 7 is subjected to high-speed torque transmission, the middle floating shaft is influenced by centrifugal force generated by high-speed rotation, vibration can be generated to influence the stability of the high-speed gearbox during working, the middle floating shaft 7 is effectively supported by the first auxiliary support 5 and the second auxiliary support 6 which are designed in a split mode, the stability of the middle floating shaft 7 during working is ensured, radial force generated by high-speed rotation of the middle floating shaft 7 can impact the first auxiliary support 5 and the second auxiliary support 6, and the connection strength of the first auxiliary support 5 and the second auxiliary support 6 can be influenced during long-time working, so that the vibration reduction disc 13 is added in the second auxiliary support 6, and the radial force generated during working of the middle floating shaft 7 is effectively reduced and attenuated through a vibration reduction component in the vibration reduction disc 13, the impact on the first auxiliary support 5 and the second auxiliary support 6 is reduced, and the service life of a support structure is effectively prolonged.
Claims (10)
1. A supporting structure for a high-speed end of an ultra-high speed gearbox is characterized in that the supporting structure is installed on a connecting shaft in the gear shaft (2) and comprises an oil pipe (3), a sliding bearing (4), a first auxiliary support (5), a second auxiliary support (6), a middle floating shaft (7), a plurality of first bolts (10), a plurality of second bolts (11), a support (12) and a damping disc (13), the support (12) is arranged on a housing (9) at the high-speed end of the ultra-high speed gearbox and fixedly connected with the housing (9), the oil pipe (3) is arranged on the support (12), one end of the oil pipe (3) is communicated with the inside of the support (12), the other end of the oil pipe (3) is connected with an external lubricating oil input end, the sliding bearing (4) is inserted on the support (12), the sliding bearing (4) is sleeved on an inner ring of the support (4), and an outer ring of the sliding bearing (11) in the gear shaft (2) is connected with the sliding bearing (11), the auxiliary support (5) is arranged at one end, far away from the large gear (1), of the support (12), the auxiliary support (5) is fixedly connected with the support (12), the auxiliary support (6) is arranged at one end, far away from the support (12), of the auxiliary support (5), the auxiliary support (6) is fixedly connected with the auxiliary support (5) through a plurality of bolts (10), one end of the middle floating shaft (7) penetrates through the auxiliary support (6) and the auxiliary support (5) in sequence and is in transmission connection with the other end of the connecting shaft, the other end of the middle floating shaft (7) is in transmission connection with the input end of the transmission shaft (8), the middle floating shaft (7) is in rotation connection with the auxiliary support (6) and the auxiliary support (5), the vibration reduction disc (13) is installed in the auxiliary support (6), and the vibration reduction disc (13) is sleeved on the middle floating shaft (7).
2. A high speed end support structure for an ultra high speed gearbox according to claim 1, wherein: the vibration reduction disc (13) comprises a rotating inner ring (131), a rotating outer ring (132), a plurality of rotating bodies (133), four supporting assemblies (134), 4N vibration reduction assemblies (135) and a fixing ring (136), wherein N is a positive integer,
a first annular caulking groove is processed on the outer circular surface of the rotating inner ring (131) along the circumferential direction
A second annular caulking groove is machined in the inner circular surface of the rotating outer ring (132) along the circumferential direction, and the second annular caulking groove and the first annular caulking groove are arranged correspondingly;
the utility model discloses a rotation inner circle (131) is established to rotation outer lane (132) cover, it has a plurality of rotors (133) to rotate to fill between outer lane (132) and the rotation inner circle (131), a plurality of rotors (133) set up in annular caulking groove and No. two annular caulking grooves along circumference equidistance, and rotate inner circle (131) and rotate outer lane (132) and rotate and be connected through a plurality of rotors (133), gu fixed ring (136) cover is established on rotation outer lane (132), gu fixed ring (136) and rotate between outer lane (132) and be equipped with four supporting component (134) along circumference equidistance, the one end and the rotation outer lane (132) fixed connection of every supporting component (134), the other end and gu fixed ring (136) fixed connection of every supporting component (134), be equipped with N damping component (135) between two adjacent supporting component (134), N damping component (135) set up along place equidistance, the one end and the rotation outer lane (132) fixed connection of every damping component (135), the other end and gu fixed ring (136) fixed connection of every damping component (135).
3. A high speed end support structure for an ultra high speed gearbox according to claim 2, wherein: the support assembly (134) comprises a top fixing block (1341), a bottom fixing block (1342), two arc plates (1343) and a central support column (1344), the top fixing block (1341) and the bottom fixing block (1342) are arranged up and down relatively, the top fixing block (1341) is fixedly connected with a fixing ring (136), the bottom fixing block (1342) is fixedly connected with a rotating outer ring (132), the central support column (1344) is arranged between the top fixing block (1341) and the bottom fixing block (1342), one end of the central support column (1344) is fixedly connected with the top fixing block (1341), the other end of the central support column (1344) is fixedly connected with the bottom fixing block (1342), the two arc plates (1343) are arranged on two sides of the central support column (1344) relatively, one end of each arc plate (1343) is fixedly connected with the top fixing block (1341), and the other end of the central support column (1344) is fixedly connected with the bottom fixing block (1342).
4. A high speed end support structure for an ultra high speed gearbox according to claim 3, wherein: a plurality of vibration reduction plectrums (1345) are axially sleeved on the outer circular surface of the central supporting column (1344) at equal intervals.
5. The high speed end support structure of an ultra high speed gearbox according to claim 4, wherein: the value range of N is 1-3.
6. A ultra high speed gearbox high speed end support structure as defined in claim 5, wherein: damping subassembly (135) includes No. two top fixed block (1351), no. two bottom fixed block (1352) and damping rubber post (1353), no. two top fixed block (1351) and No. two bottom fixed block (1352) relative setting from top to bottom, no. two top fixed block (1351) and solid fixed ring (136) fixed connection, no. two bottom fixed block (1352) and rotation outer lane (132) fixed connection, damping rubber post (1353) sets up between No. two top fixed block (1351) and No. two bottom fixed block (1352), and the one end and No. two top fixed block (1351) fixed connection of damping rubber post (1353), the other end and No. two bottom fixed block (1352) fixed connection of damping rubber post (1353).
7. A ultra high speed gearbox high speed end support structure as defined in claim 6, wherein: the damping rubber column (1353) is sleeved with a damping spring (1354) on the outer circular surface, one end of the damping spring (1354) is fixedly connected with the second top fixing block (1351), and the other end of the damping spring (1354) is fixedly connected with the second bottom fixing block (1352).
8. The high speed end support structure of an ultra high speed gearbox according to claim 6, wherein: a first connecting blind hole is processed in the center of the other end of the connecting shaft in the gear shaft (2), herringbone teeth are processed on the inner wall of the first connecting blind hole at equal intervals along the circumferential direction, a second connecting blind hole is processed in the center of the input end of the transmission shaft (8), herringbone teeth are processed on the inner wall of the second connecting blind hole at equal intervals along the circumferential direction, herringbone teeth are processed on the outer circular surface of each end of the middle floating shaft (7) at equal intervals along the circumferential direction, one end of the middle floating shaft (7) is inserted into the first connecting blind hole, the other end of the middle floating shaft (7) is inserted into the second connecting blind hole, and the middle floating shaft (7), the gear shaft (2) and the transmission shaft (8) are in tooth meshing transmission.
9. A high speed end support structure for an ultra high speed gearbox according to claim 1, wherein: and a shearing safety ring is processed on the outer circular surface of the transmission shaft (8).
10. A super speed gearbox high speed end support structure as set forth in claim 8, wherein: and a radial through hole is processed on the inner tooth surface in the first connecting blind hole, and a radial through hole is processed on the inner tooth surface in the second connecting blind hole.
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| CN202210086496.3A CN114526321B (en) | 2022-01-25 | 2022-01-25 | High-speed end supporting structure of ultra-high-speed gear box |
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| CN114526321B true CN114526321B (en) | 2022-11-29 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004332826A (en) * | 2003-05-07 | 2004-11-25 | Sumitomo Metal Ind Ltd | Gearing device and undercarriage for railway vehicle |
| CN106438949A (en) * | 2016-12-16 | 2017-02-22 | 湖南南方宇航高精传动有限公司 | Improved gearbox drive assembly supporting structure |
| CN215214643U (en) * | 2021-04-09 | 2021-12-17 | 世通海泰泵业（天津）股份有限公司 | Gear box structure for high-speed pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2975299A1 (en) * | 2014-07-18 | 2016-01-20 | Siemens Aktiengesellschaft | Slide bearing for a planetary carrier |
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- 2022-01-25 CN CN202210086496.3A patent/CN114526321B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004332826A (en) * | 2003-05-07 | 2004-11-25 | Sumitomo Metal Ind Ltd | Gearing device and undercarriage for railway vehicle |
| CN106438949A (en) * | 2016-12-16 | 2017-02-22 | 湖南南方宇航高精传动有限公司 | Improved gearbox drive assembly supporting structure |
| CN215214643U (en) * | 2021-04-09 | 2021-12-17 | 世通海泰泵业（天津）股份有限公司 | Gear box structure for high-speed pump |
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