CN109990070A - Gear-box and transmission device with it - Google Patents
Gear-box and transmission device with it Download PDFInfo
- Publication number
- CN109990070A CN109990070A CN201711499242.XA CN201711499242A CN109990070A CN 109990070 A CN109990070 A CN 109990070A CN 201711499242 A CN201711499242 A CN 201711499242A CN 109990070 A CN109990070 A CN 109990070A
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- China
- Prior art keywords
- gear
- mounting surface
- axle sleeve
- box
- transmission shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 77
- 238000007789 sealing Methods 0.000 claims description 28
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
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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
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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
-
- 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
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
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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
- F16H2057/005—Mounting preassembled units, i.e. using pre-mounted structures to speed up final mounting process
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The present invention provides a kind of gear-box and with its transmission device, wherein gear-box includes: axle sleeve, and axle sleeve is hollow structure, and axle sleeve has interior mounting surface and outer mounting surface, and interior mounting surface is for installing transmission shaft;Gear assembly is arranged on outer mounting surface;Shell, axle sleeve and gear assembly are at least partially disposed in shell.The technical solution provided through the invention, can be by gear-box self-contained unit, and the assembly or disassembly to solve the problems, such as gear-box and transmission shaft in the prior art is complicated for operation, limits the manufacture of gear-box and transport by transmission shaft.
Description
Technical field
The present invention relates to gear-box technical fields, in particular to a kind of gear-box and with its transmission device.
Background technique
Gear-box is the critical component of gear train assembly, quality and performance directly influence equipment operational situation and
Service life.Some gear-boxes and transmission shaft are produced respectively by different manufacturers, need first to transport same field in assembly
It is operated again.Gear-box is mainly made of shell and setting in the intracorporal gear assembly of shell, and gear-box is matched with drive shaft cartridge
When need for each components of gear assembly to be successively assembled on transmission shaft, need to be by gear-box when replacing the components such as transmission shaft
Dismantling, this causes the installation and removal of gear-box and transmission shaft complicated for operation, influences production and overhaul efficiency.
Summary of the invention
The present invention provides a kind of gear-box and the transmission device with it, to solve gear-box in the prior art and transmission
The assembly or disassembly of axis problem complicated for operation.
To solve the above-mentioned problems, according to an aspect of the present invention, the present invention provides a kind of gear-boxes, comprising: axis
Set, axle sleeve are hollow structure, and axle sleeve has interior mounting surface and outer mounting surface, and interior mounting surface is for installing transmission shaft;Gear assembly,
It is arranged on the outer mounting surface of axle sleeve;Shell, axle sleeve and gear assembly are at least partially disposed in shell.
Further, gear assembly includes: gear and bearing, and gear and bearing are successively set on along the axis direction of axle sleeve
On outer mounting surface.
Further, outer mounting surface includes: the first mounting surface, is cooperatively connected with gear;Second mounting surface, with bearing fit
Connection, the diameter of the diameter of the second mounting surface less than the first mounting surface.
Further, gear assembly further include: sealing element, gear, bearing and sealing element along axle sleeve axis direction successively
It is arranged on outer mounting surface.
Further, outer mounting surface includes: the first mounting surface, is cooperatively connected with gear;Second mounting surface, with bearing fit
Connection, the diameter of the diameter of the second mounting surface less than the first mounting surface;Third mounting surface is cooperatively connected with sealing element, third peace
Diameter of the diameter in dress face less than the second mounting surface.
Further, gear assembly includes: geared sleeve, and geared sleeve includes teeth portion and the extension that connect with teeth portion, teeth portion
It is arranged on outer mounting surface with extension;Bearing is arranged on the outer surface of extension.
Further, gear assembly further include: sealing element is arranged on the outer surface of extension, bearing be located at teeth portion with
Between sealing element.
Further, interior mounting surface includes: the 4th mounting surface, for being cooperatively connected with transmission shaft;5th mounting surface, the 5th
Diameter of the diameter of mounting surface less than the 4th mounting surface.
Further, axle sleeve and gear assembly interference fit connect.
Further, oiling channel is provided on the side wall of axle sleeve, the outlet in oiling channel is located at interior mounting surface.
Further, oiling channel includes: first passage, and along being axially disposed in side wall for axle sleeve, first passage enters
Mouth is located at the end of axle sleeve;Oil guide groove, along axle sleeve circumferentially around being arranged on interior mounting surface, oil guide groove and first passage connect
It is logical.
Further, oiling channel further include: second channel is arranged in side wall, and the axis of second channel and first leads to
There is angle, the entrance of second channel and the outlet of first passage, the outlet of second channel and Oil Guide between the axis in road
The entrance of slot is connected to.
Further, the extended line of the axis of second channel is located in the opening of sleeve end.
According to another aspect of the present invention, a kind of transmission device, including gear-box and transmission shaft are provided, wherein gear
Case is the above-mentioned gear-box provided, the axle sleeve mating connection of transmission shaft and gear-box.
Further, the axle sleeve of transmission shaft and gear-box interference fit connection.
It applies the technical scheme of the present invention, axle sleeve is set in gear-box and gear assembly is assembled into the outer installation in axle sleeve
On face, transmission shaft need to only be penetrated when assembling gear case is with transmission shaft in axle sleeve in this way it is just achievable, without by gear assembly
In multiple components be assembled on transmission shaft one by one;Only need to take off transmission shaft out of axle sleeve when dismantling transmission shaft can be complete
At without dismantling shell and disassembling multiple components in gear assembly from transmission shaft one by one.Therefore through the invention
Technical solution can simplify gear-box and transmission shaft assembly or disassembly operating process, thus improve production or maintenance effect
Rate.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of gear-box provided by the invention;
Fig. 2 shows the structural schematic diagrams of the axle sleeve in Fig. 1;
Fig. 3 shows the structural schematic diagram of transmission device provided by the invention;
Fig. 4 shows the transmission device in Fig. 3 in the cross-sectional view of the position A-A;
Fig. 5 shows another structural schematic diagram of gear-box provided by the invention.
Wherein, the above drawings include the following reference numerals:
10, axle sleeve;11, the first mounting surface;12, the second mounting surface;13, third mounting surface;14, the 4th mounting surface;15,
Five mounting surfaces;21, gear;22, bearing;23, sealing element;24, geared sleeve;30, shell;40, oiling channel;41, first passage;
42, oil guide groove;43, second channel;50, transmission shaft.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the present invention and its application or make
Any restrictions.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
As depicted in figs. 1 and 2, the embodiment provides a kind of gear-box, which includes axle sleeve 10, gear
Component and shell 30.Wherein, axle sleeve 10 is hollow structure, and axle sleeve 10 has interior mounting surface and outer mounting surface, and interior mounting surface is used for
Transmission shaft is installed.Gear assembly is arranged on the outer mounting surface of axle sleeve 10.And axle sleeve 10 and gear assembly are arranged at shell
In 30.
Using the technical solution of the present embodiment, axle sleeve 10 is set in gear-box and assembles gear assembly in axle sleeve 10
On outer mounting surface, transmission shaft need to only be penetrated when assembling gear case is with transmission shaft in axle sleeve 10 in this way it is just achievable, without will
Multiple components in gear assembly are assembled on transmission shaft one by one;Transmission shaft need to only be taken off out of axle sleeve 10 when dismantling transmission shaft
It is just achievable out, without dismantling shell 30 and disassembling multiple components in gear assembly from transmission shaft one by one.Therefore
Technical solution through this embodiment can simplify the operating process of the assembly or disassembly of gear-box and transmission shaft, to improve life
Production or overhaul efficiency.
Such as in track traffic vehicle technology field, gear-box and axle are usually to be produced respectively by different manufacturers,
Axle first need to be transported to gear-box producer just when assembly can be carried out assembly, be transported to host producer again after the assembly is completed, and
It needs for multiple components in gear assembly to be assembled on axle one by one during assembly.Not only transportation cost is high in this way, and
And assembling process is cumbersome.Correspondingly, it when overhauling or replacing axle, needs first to dismantle the shell of gear-box 30, then by gear
Multiple components in component are disassembled from axle one by one, could complete the disassembly of axle.And have some zero in gear-box
Component, which must carry out replacement in each disassembly, just can guarantee the normal operation of gear-box.Therefore this is not only complicated there is dismantling
The problem of, also add the cost of maintenance.
Technical solution through this embodiment, can be complete first by multiple component assemblings to axle sleeve 10 in gear assembly
At the assembling of the other components of gear-box, then gear-box and axle is transported into host producer respectively and assembled, so as to
Reduce transportation cost.Moreover, this is quite in the axle sleeve 10 that axle can be directly pressed into the gear-box assembled in assembly
In the assembly for just completing multiple components in axle and gear assembly by once-through operation, when thus greatly reducing assembly
Between.Correspondingly, when dismantling axle, without disassembling gear-box, axle is ejected from axle sleeve 10 by applying pressure, this
Sample just completes the separation of multiple components in axle and gear assembly by once-through operation, when thus greatly reducing disassembly
Between.Moreover, because there is no need to the disassemblies replaced in gear-box must change part without disassembling gear-box.Therefore through this embodiment
Technical solution can be convenient for the assembly of gear-box and axle, to improve production efficiency, reduce production cost and maintenance cost.
The technical solution of the present embodiment can be by gear-box self-contained unit, so that the manufacture of gear-box and transport be made not to be limited by axle.
Specifically, gear assembly includes gear 21 and bearing 22, gear 21 and bearing 22 along axle sleeve 10 axis direction according to
It is secondary to be arranged on outer mounting surface.Transmission shaft and gear 21 and bearing can be realized by the cooperation of transmission shaft and axle sleeve 10 by being arranged such
It assembles while 22 or dismantles simultaneously.Wherein, gear 21 can be set to driving wheel, and correspondingly transmission shaft is set as input shaft;
Gear 21 may be set to be driven wheel, and correspondingly transmission shaft is set as output shaft, as shown in Fig. 4 of the invention.
As shown in Fig. 2, outer mounting surface includes the first mounting surface 11 and the second mounting surface 12.Wherein, the first mounting surface 11 with
Gear 21 is cooperatively connected, and the second mounting surface 12 is cooperatively connected with bearing 22.Such setting can pass through the first mounting surface 11 and gear
21 cooperation and the cooperation of the second mounting surface 12 and bearing 22 are positioned and are limited with bearing 22 to gear 21 respectively, thus
Guarantee the precision of installation.Usual gear 21 is located at the middle part of axle sleeve 10, and the moving distance in assembly or disassembly of gear 21 is longer, because
The diameter of second mounting surface 12 of axle sleeve 10 is set smaller than the diameter of the first mounting surface 11 by this, can reduce the peace of gear 21
Technology difficulty is filled, so that gear 21 is passed through the second mounting surface 12, consequently facilitating assembly or disassembly.It can be by gear 21 in assembly
It is mutually abutted with the end face of bearing 22, to play the role of mutually limiting.
Further, in the present embodiment, gear assembly further includes sealing element 23, gear 21, bearing 22 and sealing element 23
Axis direction along axle sleeve 10 is set gradually on outer mounting surface.Sealing element 23 is a part of gear case sealing structure, usually
It is arranged on axle sleeve 10.In the present embodiment, two bearings 22 and two sealing elements 23 are arranged symmetrically in the two sides of gear 21,
And two components adjacent in this 5 components can mutually be abutted to play position-limiting action.
For the ease of the assembly of gear 21, bearing 22 and sealing element 23 and axle sleeve 10, in the present embodiment by outer mounting surface
It is set as including the first mounting surface 11, the second mounting surface 12 and third mounting surface 13, the second mounting surface 12 and third mounting surface 13
It is symmetrically arranged at the both sides of the first mounting surface 11.Wherein, the first mounting surface 11 is cooperatively connected with gear 21, the second mounting surface
12 are cooperatively connected with bearing 22, and third mounting surface 13 and sealing element 23 are cooperatively connected, also, the diameter of the second mounting surface 12 is less than
The diameter of first mounting surface 11, the diameter of the diameter of third mounting surface 13 less than the second mounting surface 12.Such setting can reduce peace
Dress or disassembly resistance, convenient for the sequentially assembly or disassembly of gear 21, bearing 22 and sealing element 23 and axle sleeve 10.
As shown in Fig. 2, interior mounting surface includes the 4th mounting surface 14 and the 5th mounting surface 15.Wherein, the 4th mounting surface 14 is used
It is cooperatively connected in transmission shaft, the diameter of the diameter of the 5th mounting surface 15 less than the 4th mounting surface 14.Transmission shaft and axle sleeve 10
Length is all longer, and such setting can make have gap between the 5th mounting surface 15 and transmission shaft, and only pass through the one of interior mounting surface
Part i.e. the 4th mounting surface 14 realizes connection with transmission shaft cooperation.It can be reduced under the premise of meeting driving torque requirement in this way
Mounting process difficulty between transmission shaft and axle sleeve 10, in order to the connection or disassembly of transmission shaft and axle sleeve 10.
In the present embodiment, axle sleeve 10 and transmission shaft can be not necessarily to additional fastener using interference fit connection in this way
Ensure that the bonding strength of axle sleeve 10 Yu transmission shaft.Wherein, the magnitude of interference of axle sleeve 10 and transmission shaft need to be according to transmitting torque
It is calculated and is arranged.Correspondingly, axle sleeve 10 and gear assembly can also be using interference fit connections, in this way without additional
Fastener ensure that the bonding strength of axle sleeve 10 Yu gear assembly.Wherein, the mistake of axle sleeve 10 and the component in gear assembly
The amount of being full of need to being calculated and be arranged according to transmitting torque.It can be according to " the meter of limits and fits interference fit of GB/T 5371
Calculate and select " axle sleeve 10 and the magnitude of interference and axle sleeve 10 and the magnitude of interference of the component in gear assembly of transmission shaft are calculated
It checks, to choose the fit dimension for meeting maximum delivered torque.
For the ease of the installation and removal of transmission shaft, in the present embodiment, oiling channel is provided on the side wall of axle sleeve 10
40, the outlet in oiling channel 40 is located at interior mounting surface.It in this way can be by oiling channel 40 to biography when installing or removing transmission shaft
High pressure oil is filled between moving axis and the contact surface of axle sleeve 10, to form oil film between transmission shaft and the contact surface of axle sleeve 10, from
And transmission shaft can be ejected or is pressed into lesser axial force axle sleeve 10, and prevent transmission shaft or axle sleeve 10 from damaging.It can basis
JB/T6136-2007 " oil pressure of interference fit loads and unloads " carries out theoretical calculation to the oiling press-loading process of axle sleeve 10 and transmission shaft,
It is suitably sized to be chosen to oiling channel 40.
Specifically, oiling channel 40 includes first passage 41 and oil guide groove 42.Wherein, axis of the first passage 41 along axle sleeve 10
To setting in side wall, and the entrance of first passage 41 is located at the end of axle sleeve 10.Oil guide groove 42 along axle sleeve 10 circumferentially around
It is arranged on interior mounting surface, and oil guide groove 42 is connected to first passage 41.High pressure can be injected by first passage 41 by being arranged such
Oil and the circumferential direction that high pressure oil is uniformly distributed in interior mounting surface by oil guide groove 42, to form uniform oil film.Preferably,
Oil guide groove 42 is located on the 4th mounting surface 14 of interior mounting surface.The entrance of first passage 41 is threaded hole, in this way can be in order to the
The connection and sealing in one channel 41 and oil pipe.
As shown in Fig. 2, oiling channel 40 further includes second channel 43, second channel 43 is arranged in the side wall of axle sleeve 10,
There is angle, entrance and the first passage 41 of second channel 43 between the axis of second channel 43 and the axis of first passage 41
The outlet of outlet, second channel 43 is connected to the entrance of oil guide groove 42.Being arranged such can be by second channel 43 by first
Channel 41 is connected to oil guide groove 42, convenient for the processing in oiling channel 40.Optionally, the extended line of the axis of second channel 43 is located at
In the opening of 10 end of axle sleeve, it is able to use common straight drill in this way and realizes drilling processing, to reduce being processed into for axle sleeve 10
This.In the case where not influencing cutter and axle sleeve 10 is interfered, the angle of the axis of the axis and axle sleeve of second channel 43 is as far as possible
Select mitre.Since second channel 43 is relatively not easy to be processed, it is selected as the distance energy that biggish angle can be shorter with drilling
Realize the connection of oil guide groove 42 and first passage 41.Therefore the drilling length that second channel 43 can be reduced in this way, to reduce
Processing cost improves processing efficiency.If the axis of second channel 43 also can be set into and oil guide groove using right angle bur
42 is substantially parallel, vertical with the axis of first passage 41, needs the distance of drilling most short in this way.
In addition, being provided with step surface in the end of axle sleeve 10, step surface can be passed through when installing or removing transmission shaft in this way
The tooling that opposite transmission shaft applies active force is limited, the gear assembly for preventing tooling and being sleeved on the outer mounting surface of axle sleeve 10
Equal components collide and damage components.
As shown in figure 5, another embodiment of the present invention provides a kind of gear-box, unlike the embodiments above, tooth
Wheel assembly includes geared sleeve 24 and bearing 22.Wherein, geared sleeve 24 includes teeth portion and the extension that connect with teeth portion, teeth portion with prolong
Extending portion is arranged on outer mounting surface.Bearing 22 is arranged on the outer surface of extension.So set, extension and axis can be passed through
The cooperation of set 10 realizes that axle sleeve 10 is dismantled with installation while geared sleeve 24 and bearing 22 or simultaneously, consequently facilitating the dress of gear-box
Match.
Specifically, through-hole is provided in the middle part of the middle part of teeth portion and extension, teeth portion and extension pass through logical respectively
Hole is set on the outer mounting surface of axle sleeve 10.Teeth portion and extension can be set to split type structure, may be set to be one
Formula structure.In the present embodiment, teeth portion and extension are an integral structure, and are provided with extension at the both ends of teeth portion.
In the present embodiment, gear assembly further includes sealing element 23, and sealing element 23 is arranged on the outer surface of extension, axis
22 are held between teeth portion and sealing element 23.It, can be using labyrinth seal structure in gear-box in order to improve sealing effect
Portion is sealed, and a part, that is, sealing element 23 of labyrinth seal structure is arranged on the outer surface of extension.In the present embodiment,
Two bearings 22 and two sealing elements 23 are arranged symmetrically in the two sides of teeth portion, and can be by this 5 components adjacent two
A component is mutually abutted to play position-limiting action.
For the ease of the assembly of bearing 22 and sealing element 23, cascaded surface can be set by the outer surface of extension, so that
Bearing 22 and sealing element 23 are cooperatively connected with the outer surface of different-diameter respectively.Each component in gear assembly may be implemented in this way
The quick assembling of quick assembling and gear assembly and axle sleeve 10, to improve the efficiency of production or the maintenance of gear-box.
As shown in Figure 3 and Figure 4, another embodiment of the present invention provides a kind of transmission device, and transmission device includes gear
Case and transmission shaft 50, wherein gear-box is gear-box provided by the above embodiment, the cooperation of axle sleeve 10 of transmission shaft 50 and gear-box
Connection.
Axle sleeve 10 is arranged in gear-box and gear assembly is assembled the outer peace in axle sleeve 10 for the technical solution of application invention
On dress face, transmission shaft 50 need to only be penetrated when assembling transmission device in axle sleeve 10 so just achievable, this is equivalent to by one
Secondary operation just completes the assembly of multiple components in transmission shaft 50 and gear assembly, thus greatly reduces assembly time;?
When dismantling transmission shaft 50, without disassembling gear-box, transmission shaft 50 is ejected from axle sleeve 10 by applying pressure, this is quite
In the separation for just completing multiple components in transmission shaft 50 and gear assembly by once-through operation, disassembly is thus greatly reduced
Time.Moreover, because there is no need to the disassemblies replaced in gear-box must change part without disassembling gear-box.Skill through the invention
Art scheme can greatly facilitate the assembly of gear-box Yu transmission shaft 50, to improve production efficiency, reduce production cost and dimension
Protect cost.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
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, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
It is not limited the scope of the invention up to formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each portion shown in attached drawing
The size divided not is to draw according to actual proportionate relationship.For technology, side known to person of ordinary skill in the relevant
Method and equipment may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as authorizing explanation
A part of book.In shown here and discussion all examples, any occurrence should be construed as merely illustratively, and
Not by way of limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar label
Similar terms are indicated in following attached drawing with letter, therefore, once it is defined in a certain Xiang Yi attached drawing, then subsequent attached
It does not need that it is further discussed in figure.
In the description of the present invention, it is to be understood that, the noun of locality such as " front, rear, top, and bottom, left and right ", " it is laterally, vertical,
Vertically, orientation or positional relationship indicated by level " and " top, bottom " etc. is normally based on orientation or position shown in the drawings and closes
System, is merely for convenience of description of the present invention and simplification of the description, in the absence of explanation to the contrary, these nouns of locality do not indicate that
It must have a particular orientation or be constructed and operated in a specific orientation with the device or element for implying signified, therefore cannot manage
Solution is limiting the scope of the invention;The noun of locality " inside and outside " refers to inside and outside the profile relative to each component itself.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of invention protection scope.
Claims (15)
1. a kind of gear-box characterized by comprising
Axle sleeve (10), the axle sleeve (10) are hollow structure, and the axle sleeve (10) has interior mounting surface and outer mounting surface, described interior
Mounting surface is for installing transmission shaft;
Gear assembly is arranged on the outer mounting surface of the axle sleeve (10);
Shell (30), the axle sleeve (10) and the gear assembly are at least partially disposed in the shell (30).
2. gear-box according to claim 1, which is characterized in that the gear assembly includes:
Gear (21) and bearing (22), the gear (21) and the bearing (22) along the axle sleeve (10) axis direction successively
It is arranged on the outer mounting surface.
3. gear-box according to claim 2, which is characterized in that the outer mounting surface includes:
First mounting surface (11) is cooperatively connected with the gear (21);
Second mounting surface (12) is cooperatively connected with the bearing (22), and the diameter of second mounting surface (12) is less than described the
The diameter of one mounting surface (11).
4. gear-box according to claim 2, which is characterized in that the gear assembly further include:
Sealing element (23), the axis of the gear (21), the bearing (22) and the sealing element (23) along the axle sleeve (10)
Direction is successively set on the outer mounting surface.
5. gear-box according to claim 4, which is characterized in that the outer mounting surface includes:
First mounting surface (11) is cooperatively connected with the gear (21);
Second mounting surface (12) is cooperatively connected with the bearing (22), and the diameter of second mounting surface (12) is less than described the
The diameter of one mounting surface (11);
Third mounting surface (13) is cooperatively connected with the sealing element (23), and the diameter of the third mounting surface (13) is less than described
The diameter of second mounting surface (12).
6. gear-box according to claim 1, which is characterized in that the gear assembly includes:
Geared sleeve (24), the geared sleeve (24) include teeth portion and the extension that connect with the teeth portion, the teeth portion and described
Extension is arranged on the outer mounting surface;
Bearing (22), is arranged on the outer surface of the extension.
7. gear-box according to claim 6, which is characterized in that the gear assembly further include:
Sealing element (23), is arranged on the outer surface of the extension, the bearing (22) be located at the teeth portion with it is described
Between sealing element (23).
8. gear-box according to claim 1, which is characterized in that the interior mounting surface includes:
4th mounting surface (14), for being cooperatively connected with the transmission shaft;
5th mounting surface (15), the diameter of the 5th mounting surface (15) are less than the diameter of the 4th mounting surface (14).
9. gear-box according to claim 1, which is characterized in that the axle sleeve (10) and the gear assembly are interference fitted
Connection.
10. gear-box according to claim 1, which is characterized in that it is logical to be provided with oiling on the side wall of the axle sleeve (10)
The outlet in road (40), the oiling channel (40) is located at the interior mounting surface.
11. gear-box according to claim 10, which is characterized in that the oiling channel (40) includes:
First passage (41), along being axially disposed in the side wall for the axle sleeve (10), the entrance of the first passage (41)
Positioned at the end of the axle sleeve (10);
Oil guide groove (42), along the axle sleeve (10) circumferentially around being arranged on the interior mounting surface, the oil guide groove (42) with
First passage (41) connection.
12. gear-box according to claim 11, which is characterized in that the oiling channel (40) further include:
Second channel (43) is arranged in the side wall, axis and the first passage (41) of the second channel (43)
There is angle between axis, the outlet of the entrance of the second channel (43) and the first passage (41), described second
The outlet in channel (43) is connected to the entrance of the oil guide groove (42).
13. gear-box according to claim 12, which is characterized in that the extended line position of the axis of the second channel (43)
In in the opening of the axle sleeve (10) end.
14. a kind of transmission device, including gear-box and transmission shaft (50), which is characterized in that the gear-box be claim 1 to
The axle sleeve (10) of gear-box described in any one of 13, the transmission shaft (50) and the gear-box is cooperatively connected.
15. transmission device according to claim 14, which is characterized in that the institute of the transmission shaft (50) and the gear-box
State the connection of axle sleeve (10) interference fit.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711499242.XA CN109990070A (en) | 2017-12-29 | 2017-12-29 | Gear-box and transmission device with it |
ARP180103855A AR113681A1 (en) | 2017-12-29 | 2018-12-26 | GEARBOX AND TRANSMISSION DEVICE THAT INCLUDES IT |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711499242.XA CN109990070A (en) | 2017-12-29 | 2017-12-29 | Gear-box and transmission device with it |
Publications (1)
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CN109990070A true CN109990070A (en) | 2019-07-09 |
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Family Applications (1)
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CN201711499242.XA Pending CN109990070A (en) | 2017-12-29 | 2017-12-29 | Gear-box and transmission device with it |
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CN (1) | CN109990070A (en) |
AR (1) | AR113681A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08338509A (en) * | 1995-06-14 | 1996-12-24 | Tochigi Fuji Ind Co Ltd | Differential device |
CN102990166A (en) * | 2012-09-25 | 2013-03-27 | 郑州卫华工程机械有限公司 | Gear shaft machining method and gear shaft clamping tool used in method |
CN104481698A (en) * | 2014-12-12 | 2015-04-01 | 常州环能涡轮动力股份有限公司 | Marine low-power turbosuperchager |
CN105150237A (en) * | 2015-07-10 | 2015-12-16 | 中国核电工程有限公司 | Connecting device |
CN106402344A (en) * | 2016-09-27 | 2017-02-15 | 资阳中车传动有限公司 | Auxiliary transmission gear case of diesel-electric locomotive |
CN207935387U (en) * | 2017-12-29 | 2018-10-02 | 中车戚墅堰机车车辆工艺研究所有限公司 | Gear-box and transmission device with it |
-
2017
- 2017-12-29 CN CN201711499242.XA patent/CN109990070A/en active Pending
-
2018
- 2018-12-26 AR ARP180103855A patent/AR113681A1/en active IP Right Grant
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08338509A (en) * | 1995-06-14 | 1996-12-24 | Tochigi Fuji Ind Co Ltd | Differential device |
CN102990166A (en) * | 2012-09-25 | 2013-03-27 | 郑州卫华工程机械有限公司 | Gear shaft machining method and gear shaft clamping tool used in method |
CN104481698A (en) * | 2014-12-12 | 2015-04-01 | 常州环能涡轮动力股份有限公司 | Marine low-power turbosuperchager |
CN105150237A (en) * | 2015-07-10 | 2015-12-16 | 中国核电工程有限公司 | Connecting device |
CN106402344A (en) * | 2016-09-27 | 2017-02-15 | 资阳中车传动有限公司 | Auxiliary transmission gear case of diesel-electric locomotive |
CN207935387U (en) * | 2017-12-29 | 2018-10-02 | 中车戚墅堰机车车辆工艺研究所有限公司 | Gear-box and transmission device with it |
Also Published As
Publication number | Publication date |
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AR113681A1 (en) | 2020-05-27 |
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