CN110425258A - A kind of gearbox - Google Patents
A kind of gearbox Download PDFInfo
- Publication number
- CN110425258A CN110425258A CN201910828647.6A CN201910828647A CN110425258A CN 110425258 A CN110425258 A CN 110425258A CN 201910828647 A CN201910828647 A CN 201910828647A CN 110425258 A CN110425258 A CN 110425258A
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- China
- Prior art keywords
- driving gear
- gear
- balladeur train
- gearbox
- sliding block
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- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000007246 mechanism Effects 0.000 claims description 6
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- 239000004744 fabric Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 230000008859 change Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
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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
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Structure Of Transmissions (AREA)
Abstract
The embodiment of the invention discloses a kind of gearboxes, it is related to speed regulation device technical field, including speed adjustment screw, sliding block, balladeur train and driving gear set, the sliding block is screwed together in the speed adjustment screw, the balladeur train is power input gear, the balladeur train is sheathed on outside the sliding block, the balladeur train can be freely rotated along the circumferential direction of the sliding block, and the balladeur train with the sliding block along the axial synchronizing moving of the speed adjustment screw, the driving gear set includes connection gear and driving gear, the connection gear is sheathed on outside the balladeur train, and the connection gear can be with the balladeur train synchronous rotary, the driving gear is sheathed on outside the connection gear, and the driving gear is rotated with the connection gear；Wherein, the driving gear set is equipped with multiple, and multiple driving gear sets are distributed side by side along the axial direction of the speed adjustment screw.The type of existing speed regulation device is enriched, and is had the advantages that compact-sized, small in size.
Description
Technical field
The present embodiments relate to speed regulation device technical fields, and in particular to a kind of gearbox.
Background technique
Gearbox is to can change transmission ratio, to change the speed regulation device of torque and revolving speed, is answered extensively in machinery field
With.By the development of many years, what gearbox was gone significant progress, the mechanical gearbox in existing gearbox needs to be arranged
Selector fork and sleeve, selector fork control sleeve are slided on splined shaft to engage gear, cause to need to set between adjacent gear
There is the interval for sleeve sliding, makes that gearbox designs are not compact, volume is larger.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of gearbox, to enrich the type of existing speed regulation device, and solve because existing
Mechanical gearbox need to be arranged that structure caused by sleeve is compact, bulky problem.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
According to a first aspect of the embodiments of the present invention, a kind of gearbox comprising speed adjustment screw, sliding block, balladeur train and
Driving gear set, the sliding block are screwed together in the speed adjustment screw, and the balladeur train is power input gear, the balladeur train
It is sheathed on outside the sliding block, the balladeur train can be freely rotated along the circumferential direction of the sliding block, and the balladeur train is with described
For sliding block along the axial synchronizing moving of the speed adjustment screw, the driving gear set includes connection gear and driving gear, the company
Geared sleeve is connect outside the balladeur train, and the connection gear can be with the balladeur train synchronous rotary, the driving tooth
Wheel is sheathed on outside the connection gear, and the driving gear is rotated with the connection gear；
Wherein, the driving gear set be equipped with it is multiple, multiple driving gear sets along the speed adjustment screw axial direction simultaneously
Row's distribution.
Further, the outer of the balladeur train is equipped with sliding external tooth, the interior edge of the connection gear be equipped with it is described
Sliding external tooth quantity is equal and engages the connection internal tooth used, the balladeur train and connection gear engaged transmission.
Further, the outer of the connection gear is equipped with pawl, and the interior edge of the driving gear is equipped with pawl, the spine
Pawl and the pawl make the connection gear and the driving gear form internal meshing ratchet mechanism.
Further, the driving gear set further includes driven gear, the driven gear of the same driving gear set with
Driving gear engaged transmission.
Further, the gearbox further includes output shaft, and the driven gear is fixed on the output shaft, and described defeated
Shaft is rotated synchronously with the driven gear.
Further, the gearbox further includes locating rod, and the sliding block is equipped with slide opening, and the locating rod is arranged in described
Slide opening, and the sliding block can be slided along the locating rod, when speed adjustment screw rotation, under the action of the locating rod,
The sliding block precession or rotation on the speed adjustment screw are moved back.
Further, the gearbox further includes input shaft, and the input shaft includes that the axis is fixed in reel and one end
More torque arms of disk are equipped with the torsion hole that is used to transmit torque equal with torque arm quantity on the balladeur train, more
The circumferential direction of axis of a torsion hole along the balladeur train is uniformly distributed, and multiple torque arms are arranged in correspondingly
The torsion hole, the balladeur train can be slided along the torque arm, when external connection power drives reel rotation, pass through institute
Stating torque arm rotates synchronously the balladeur train with the reel.
Further, the gearbox further includes the first rotational positioning set and the second rotational positioning set, first rotation
The axis collinear of the axis and the speed adjustment screw of positioning sleeve and second rotational positioning set, first rotational positioning cover position
In one end of multiple driving gear sets, the second rotational positioning set is located at the other end of multiple driving gear sets；
The side close to the driving gear set of the first rotational positioning set is equipped with cricoid first locating slot, the connection gear
The first positioning ring being used cooperatively with first locating slot, and the company are equipped with close to the side of first rotational positioning set
The gear other side is connect equipped with the first locating slot, the side close to the driving gear set of the second rotational positioning set is equipped with the
One positioning ring；Adjacent first positioning ring is slidably fastened in first locating slot, so that the connection gear
It is coaxial with the speed adjustment screw.
Further, the side close to the driving gear set of the first rotational positioning set is equipped with determines with described first
Position slot is in the second locating slot of concentric annular, and the radius of second locating slot is greater than the radius of first locating slot, described
The side close to first rotational positioning set of driving gear is equipped with the second positioning being used cooperatively with second locating slot
Ring, and the other side of the driving gear is equipped with the second locating slot, the close transmission gear of the second rotational positioning set
The side of group is equipped with the second positioning ring；Adjacent second positioning ring is slidably fastened in second locating slot, with
Keep the connection gear and driving gear coaxial.
The embodiment of the present invention has the advantages that
Gearbox provided in an embodiment of the present invention, speed adjustment screw band movable slider, balladeur train move axially, balladeur train
Connection gear and driving gear rotation are driven, the rotation of different driving gears is made, realization externally exports different transmission ratios,
Meet the speed changing function of gearbox, to enrich the type of existing speed regulation device；And the gearbox of the present embodiment does not need
Using selector fork and sleeve, so that not needing reserved spacing between adjacent driving gear, gearbox is reduced in axial ruler
Very little, making gearbox on the whole becomes smaller.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents can cover.
Fig. 1 is a kind of structural schematic diagram for gearbox that the embodiment of the present invention 1 provides；
Fig. 2 is the drive mechanism schematic diagram for the gearbox that the embodiment of the present invention 1 provides；
Fig. 3 is the structural schematic diagram of the fixing sleeve for the gearbox that the embodiment of the present invention 1 provides；
Fig. 4 is the sliding block for the gearbox that the embodiment of the present invention 1 provides and the structural schematic diagram of snap ring；
Fig. 5 is the structural schematic diagram of the balladeur train for the gearbox that the embodiment of the present invention 1 provides；
Fig. 6 is the structural schematic diagram of the connection gear for the gearbox that the embodiment of the present invention 1 provides；
Fig. 7 is the side view of Fig. 6；
Fig. 8 is the structural schematic diagram of the driving gear for the gearbox that the embodiment of the present invention 1 provides；
Fig. 9 is the side view (cross-sectional view) of Fig. 8；
Figure 10 is the structural schematic diagram of the first rotational positioning set for the gearbox that the embodiment of the present invention 1 provides；
Figure 11 is the structural schematic diagram of the second rotational positioning set for the gearbox that the embodiment of the present invention 1 provides.
In figure: 01- cabinet；
02- fixing sleeve, the first mounting hole of 0201-, the second mounting hole of 0202-；
03- speed adjustment screw；
04- sliding block, 0401- threaded hole, 0402- slide opening, 0403- snap ring；
05- locating rod；
06- balladeur train, 0601- torsion hole, 0602- slide external tooth；
07- input shaft, 0701- reel, 0702- torque arm；
08- connection gear, 0801- connection internal tooth, 0802- pawl；
09- driving gear, 0901- pawl；
10- driven gear；
11- output shaft；
12- the first rotational positioning set, the first locating slot of 1201-, the second locating slot of 1202-, the fixed sets of holes of 1203-；
13- the second rotational positioning set, the first positioning ring of 1301-, the second positioning ring of 1302-.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
The term of cited such as "upper", "lower", "left", "right", " centre ", is merely convenient to describe in this specification
Be illustrated, rather than to limit the scope of the invention, relativeness is altered or modified, and is changing technology without essence
It inside holds, when being also considered as the enforceable scope of the present invention.
Embodiment 1
As shown in figs. 1-11, embodiment 1 provides a kind of gearbox comprising cabinet 01, fixing sleeve 02, speed regulating motor,
Speed adjustment screw 03, sliding block 04, locating rod 05, balladeur train 06, input shaft 07 and driving gear set.
Cabinet 01 is closed shelly-shaped mechanism, and equipped with the opposite siding set up, siding is equipped with corresponding axis hole, outside axis hole
Side (01 outside of cabinet) is equipped with end cap, and end cap is divided to two kinds, and one is what is be used cooperatively with axis, one is closing axis holes.
Fixing sleeve 02 is cylindrical, fixing sleeve 02 be equipped with one be located at 02 axis of fixing sleeve the first mounting hole 0201 and with
Spaced second mounting hole 0202 of first mounting hole 0201, the first mounting hole 0201 is for installing speed adjustment screw 03, and second
Mounting hole 0202 is for installing locating rod 05.The axis of fixing sleeve 02 and the axis collinear of axis hole, there are two fixing sleeve 02 is set, point
It Wei Yu not be in corresponding axis hole.
Speed regulating motor is fixed on outside cabinet 01, and the motor shaft of speed regulating motor is connect with one end of speed adjustment screw 03.
The both ends of speed adjustment screw 03 are rotatably fixed on respectively in the first mounting hole 0201, and one end of speed adjustment screw 03
Extend to the outside of cabinet 01 and the motor axis connection with speed regulating motor.Speed adjustment screw 03 is similar with the screw rod of spindle arrangement, In
The part of speed adjustment screw 03 being located between two fixing sleeves 02 is equipped with external screw thread.Sliding block 04 is similar to the nut of spindle arrangement,
It is equipped with threaded hole 0401 at the center of sliding block 04, sliding block 04 is screwed together in speed adjustment screw 03 by threaded hole 0401.Work as speed adjustment screw
03 under the drive of speed regulating motor when rotating, be screwed together in speed adjustment screw 03 sliding block 04 can along the axial movement of speed adjustment screw 03,
Principle is identical with spindle arrangement.
Sliding block 04 is equipped with slide opening 0402, the axis collinear of the axis of slide opening 0402 and the second mounting hole 0202, and slide opening
0402 is equal with the diameter of the second mounting hole 0202.Locating rod 05 is arranged in slide opening 0402, and the both ends of locating rod 05 are solid respectively
Due to the second mounting hole 0202.When speed adjustment screw 03 rotates, under the action of locating rod 05, sliding block 04 is on speed adjustment screw 03
Precession or rotation are moved back, and sliding block 04 is slided along locating rod 05, and sliding block 04 is avoided to rotate with speed adjustment screw 03.Once sliding block 04 is with speed regulation spiral shell
Bar 03 rotates, and will lead to axial displacement inaccuracy of the sliding block 04 along speed adjustment screw 03, speed change is caused to fail or fail.
Balladeur train 06 is power input gear, and balladeur train 06 is sheathed on outside sliding block 04, and balladeur train 06 can be along sliding block
04 circumferential direction is freely rotated, and balladeur train 06 with sliding block 04 along the axial synchronizing moving of speed adjustment screw 03.For limit slippage
The displacement axial in sliding block 04 of gear 06, using following scheme.Optinal plan one (as shown in the figure) adds in 06 inner ring of balladeur train
One annular limiting slot of work processes an annular mounting groove, locating slot and mounting groove in axial direction in the outer ring of sliding block 04
Position, width are all the same, to be used cooperatively.It is covered in mounting groove with the snap ring with opening；The close feelings of the opening of snap ring
Under condition, the outer diameter of snap ring 0403 is equal to the outer diameter of sliding block 04, and the position of limiting slot is installed to after reducing so as to snap ring 0403；In place
Afterwards, snap ring 0403 opens, and the outer diameter of snap ring 0403 and the slot bottom major diameter of limiting slot are equal, and snap ring 0403 is stuck in mounting groove and limit
Between slot, the axial limiting to balladeur train 06 is realized.Optinal plan two (no figure) is arranged two for installing on sliding block 04
The annular groove of circlip, annular groove spacing are equal to the facewidth of balladeur train 06, installation balladeur train 06 in sliding block 04, then install circlip with
Limit the axial displacement of balladeur train 06.
Due to being provided with speed adjustment screw 03 in the position of rotation center, common gear shaft cannot be with balladeur train 06
Connection carries out the transmission of power, it is therefore desirable to design a new gear shaft.In the present embodiment, with input shaft 07 and slide teeth
06 connection of wheel is to transmit power.Input shaft 07 includes the more torque arms 0702 that reel 0701 is fixed in reel 0701 and one end.
The torsion hole 0601 that is used to transmit torque equal with 0702 quantity of torque arm, multiple torsion holes are equipped on balladeur train 06
0601 is uniformly distributed along the circumferential direction of the axis of balladeur train 06, and multiple torque arms 0702 are arranged in torsion hole correspondingly
0601, balladeur train 06 can be slided along torque arm 0702.When external connection power drives reel 0701 to rotate, pass through torque arm 0702
Rotate synchronously balladeur train 06 with reel 0701.Reel 0701 is connect with external connection power, such as by solid on reel 0701
Determine belt wheel to be connected to motor, or by shaft coupling and motor axis connection, so reel 0701 needs to be exposed at outside cabinet 01, while axis
The axis of disk 0701 needs the axis collinear with speed adjustment screw 03.The axis of reel 0701 and the axis collinear of fixing sleeve 02.
Driving gear set includes connection gear 08, driving gear 09 and driven gear 10, and connection gear 08 is sheathed on sliding
Outside gear 06, and connection gear 08 can be sheathed on outside connection gear 08 with 06 synchronous rotary of balladeur train, driving gear 09, actively
Gear 09 is rotated with connection gear 08,09 engaged transmission of driven gear 10 and driving gear.Driving gear set be equipped with it is multiple, it is multiple
Driving gear set is distributed side by side along the axial direction of speed adjustment screw 03, and multiple driven gears 10 are arranged side by side along the axial direction of output shaft 11,
Driven gear 10 and the external toothing correspondingly of driving gear 09 are driven.Wherein the both ends of output shaft 11 are rotatably fixed on case
Body 01, and the axis of output shaft 11 is parallel with the axis of speed adjustment screw 03.Multiple groups driving gear set shares a balladeur train 06,
Every group of driving gear 09 is different with the transmission ratio of driven gear 10, to realize speed regulation.
In order to rotate synchronously connection gear 08 with balladeur train 06, the outer of balladeur train 06 is equipped with sliding external tooth
0602, the interior edge of connection gear 08 is equipped with the connection internal tooth 0801 that and engagement equal with sliding 0602 quantity of external tooth uses, sliding
08 engaged transmission of gear 06 and connection gear.
In the optinal plan of the present embodiment, driving gear 09 facilitates shift along the circumferential direction one-directional rotation of connection gear 08,
It avoids beating tooth.Wherein shift is the process that balladeur train 06 cooperates from different connection gears 08.In order to make 09 edge of driving gear
The circumferential one-directional rotation of connection gear 08, the outer of connection gear 08 are equipped with the spine that can be stretched along the normal direction of connection gear 08
Pawl 0802, the interior edge of driving gear 09 are equipped with pawl 0901, pawl 0802 and pawl 0901 make connection gear 08 and
Driving gear 09 forms internal meshing ratchet mechanism.Some driving gear 09 drives the driven gear 10 engaged to rotate,
To make output shaft 11 rotate, other driven gears 10 on output shaft 11 can drive 09 turn of driving gear of engagement respectively
It is dynamic, it by the design of single-direction transmission, avoids connection gear 08 from dallying, facilitates shift, avoid beating tooth.The speed changer of the present embodiment is
The speed changer of single-direction transmission.
Since balladeur train 06 only has one, and connection gear 08 be equipped with it is multiple, when balladeur train 06 and it is one of even
When connecing the cooperation of gear 08, the axis of remaining connection gear 08 can shift with the axis of speed adjustment screw 03, lead to slide teeth
Wheel 06 cannot slide to other connection gears 08.Therefore gearbox is also provided with the first rotational positioning set 12 and the second rotational positioning
Set 13.First rotational positioning set 12 and the second rotational positioning set 13 are respectively sleeved in two corresponding axis holes, and first turn
The axis collinear of the axis and speed adjustment screw 03 of dynamic positioning sleeve 12 and the second rotational positioning set 13.First rotational positioning set 12 and the
Two rotational positionings set 13 is equipped with axis hole coaxial line for installing the fixation sets of holes 1203 of fixing sleeve 02, two fixing sleeves 02
It is respectively arranged in the fixed sets of holes 1203.Speed adjustment screw 03 and locating rod 05 stretch out cabinet from the side for being equipped with speed regulating motor
Outside 01, and locating rod 05 is connect in the part in 1 outside of cabinet with cabinet 1, in this way, in the rotation of speed adjustment screw 03, locating rod
05 can effectively avoid sliding block 04 and fixing sleeve 1203 rotates along the axis of speed adjustment screw 03.First rotational positioning set 12 is located at more
One end of a driving gear set, the second rotational positioning set 13 are located at the other end of multiple driving gear sets.First rotational positioning set
The side of 12 close driving gear set is equipped with the first locating slot 1201 annular in shape, and connection gear 08 is close to the first rotational positioning
The side of set 12 is equipped with the first positioning ring 1301 being used cooperatively with the first locating slot 1201, and 08 other side of connection gear is equipped with
The side of first locating slot 1201, the close driving gear set of the second rotational positioning set 13 is equipped with the first positioning ring 1301.It is adjacent
The first positioning ring 1301 be slidably fastened in the first locating slot 1201 so that connection gear 08 and speed adjustment screw 03 are same
Axis.
Due to being equipped with ratchet mechanism between connection gear 08 and driving gear 09, to guarantee the axis of driving gear 09 always
It is equipped with the side of the axis collinear of connection gear 08, therefore the close driving gear set of the first rotational positioning set 12 and determines with first
Position slot 1201 is in the second locating slot 1202 of concentric annular, and the radius of the second locating slot 1202 is greater than the half of the first locating slot 1201
Diameter.The side close to the first rotational positioning set 12 of driving gear 09 is equipped with second be used cooperatively with the second locating slot 1202 and determines
Position ring 1302, and the other side of driving gear 09 is equipped with the second locating slot 1202, the second rotational positioning set 13 is located at multiple transmissions
The side of the other end of gear set, the close driving gear set of the second rotational positioning set 13 is equipped with the second positioning ring 1302.It is adjacent
The second positioning ring 1302 be slidably fastened in the second locating slot 1202 so that connection gear 08 and driving gear 09 are same
Axis.
In order to keep the stress of torque arm 0702 more reasonable, on the first rotational positioning set 12 and the second rotational positioning set 13
Equipped with torsion hole 0601, the torsion hole for being threaded through the first rotational positioning set 12 and the second rotational positioning set 13 of torque arm 0702
In 0601, one end of torque arm 0702 is avoided the case where hanging setting occur.First rotational positioning set 12 and the second rotational positioning
Set 13 is rotated synchronously with input shaft 07.
Gearbox provided in this embodiment, speed adjustment screw 03 are moved axially with movable slider 04, balladeur train 06, slide teeth
Wheel 06 drives connection gear 08 and driving gear 09 to rotate, and makes the rotation of different driving gears 09, realizes that externally output is not
Same transmission ratio, meets the speed changing function of gearbox, to enrich the type of existing speed regulation device；And the change of the present embodiment
Fast case is not needed using selector fork and sleeve, so that not needing reserved spacing between adjacent driving gear 09, reduces speed change
For case in axial size, making gearbox on the whole becomes smaller.
In the present embodiment, fixing sleeve 02, speed adjustment screw 03, sliding block 04, balladeur train 06, reel 0701, connection gear
08, driving gear 09, the first rotational positioning set 12 and the second rotational positioning cover 13 coaxial lines, driven gear 10 and output shaft 11
Coaxial line.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (9)
1. a kind of gearbox, which is characterized in that the gearbox includes speed adjustment screw, sliding block, balladeur train and driving gear set,
The sliding block is screwed together in the speed adjustment screw, and the balladeur train is power input gear, and the balladeur train is sheathed on described
Outside sliding block, the balladeur train can be freely rotated along the circumferential direction of the sliding block, and the balladeur train is with described in the sliding block edge
The axial synchronizing moving of speed adjustment screw, the driving gear set include connection gear and driving gear, and the connection gear is arranged
In outside the balladeur train, and the connection gear can be sheathed on institute with the balladeur train synchronous rotary, the driving gear
It states outside connection gear, and the driving gear is rotated with the connection gear；
Wherein, the driving gear set is equipped with multiple, and multiple driving gear sets are divided side by side along the axial direction of the speed adjustment screw
Cloth.
2. gearbox according to claim 1, which is characterized in that the outer of the balladeur train is equipped with sliding external tooth, institute
The interior edge for stating connection gear is equipped with and the engagement connection internal tooth that uses equal with the sliding external tooth quantity, the balladeur train with
The connection gear engaged transmission.
3. gearbox according to claim 1, which is characterized in that the driving gear is along the circumferential single of the connection gear
To rotation, the outer of the connection gear is equipped with pawl, and the interior edge of the driving gear is equipped with pawl, the pawl and it is described fall
Tooth makes the connection gear and the driving gear form internal meshing ratchet mechanism.
4. gearbox according to claim 1, which is characterized in that the driving gear set further includes driven gear, same
Driven gear and the driving gear engaged transmission of the driving gear set.
5. gearbox according to claim 4, which is characterized in that the gearbox further includes output shaft, the driven tooth
Wheel is fixed on the output shaft, and the output shaft is rotated synchronously with the driven gear.
6. gearbox described in -5 any one according to claim 1, which is characterized in that the gearbox further includes locating rod,
The sliding block is equipped with slide opening, and the locating rod is arranged in the slide opening, and the sliding block can be slided along the locating rod, when described
When speed adjustment screw rotates, under the action of the locating rod, the sliding block precession or rotation on the speed adjustment screw are moved back.
7. gearbox described in -5 any one according to claim 1, which is characterized in that the gearbox further includes input shaft,
The input shaft includes the more torque arms that the reel is fixed in reel and one end, is equipped on the balladeur train and torsion
The equal torsion hole for being used to transmit torque of bar quantity, multiple torsion holes are uniform along the circumferential direction of the axis of the balladeur train
Distribution, multiple torque arms are arranged in the torsion hole correspondingly, and the balladeur train can be slided along the torque arm,
When external connection power drives reel rotation, rotate synchronously the balladeur train with the reel by the torque arm.
8. gearbox described in -5 any one according to claim 1, which is characterized in that the gearbox further includes the first rotation
Positioning sleeve and the second rotational positioning set, the axis and the speed regulation of the first rotational positioning set and second rotational positioning set
The axis collinear of screw rod, the first rotational positioning set are located at one end of multiple driving gear sets, and second rotation is fixed
Position set is located at the other end of multiple driving gear sets；The one of the close driving gear set of the first rotational positioning set
Side is equipped with cricoid first locating slot, and the connection gear is equipped with and described first close to the side that first rotational positioning covers
The first positioning ring that locating slot is used cooperatively, and the connection gear other side is equipped with the first locating slot, second rotation is fixed
The side close to the driving gear set of position set is equipped with the first positioning ring；Adjacent first positioning ring slidably fastens
In first locating slot, so that the connection gear and the speed adjustment screw are coaxial.
9. gearbox according to claim 8, which is characterized in that the close driving cog of the first rotational positioning set
The side of wheel group is equipped with the second locating slot with first locating slot in concentric annular, and the radius of second locating slot is greater than
The side close to first rotational positioning set of the radius of first locating slot, the driving gear is equipped with and described second
The second positioning ring that locating slot is used cooperatively, and the other side of the driving gear is equipped with the second locating slot, second rotation
The side close to the driving gear set of positioning sleeve is equipped with the second positioning ring；Adjacent second positioning ring is slidably detained
It closes in second locating slot, so that the connection gear and driving gear are coaxial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910828647.6A CN110425258B (en) | 2019-09-03 | 2019-09-03 | Gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910828647.6A CN110425258B (en) | 2019-09-03 | 2019-09-03 | Gear box |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111097329A (en) * | 2020-01-14 | 2020-05-05 | 王凯 | Quick preparation device of lathe cutting fluid for machine-building |
| CN112128320A (en) * | 2020-07-30 | 2020-12-25 | 艾其宽 | Gear box |
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| CN109854689A (en) * | 2019-01-31 | 2019-06-07 | 牛清锋 | Inner bearing type gearshift gearbox |
| CN210978404U (en) * | 2019-09-03 | 2020-07-10 | 郭宁波 | Gear box |
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| CN1059395A (en) * | 1990-08-30 | 1992-03-11 | 曾盛财 | Speed changer |
| WO2007118351A1 (en) * | 2006-04-14 | 2007-10-25 | Tseng, Weifu | Dynamic speed regulator |
| US20110308344A1 (en) * | 2009-07-31 | 2011-12-22 | Ut Global Co., Ltd. | Mechanical, multi-step automatic gearbox |
| CN104930136A (en) * | 2015-05-31 | 2015-09-23 | 曹建峰 | Gear control gearbox |
| CN106523606A (en) * | 2016-11-04 | 2017-03-22 | 福州麦辽自动化设备有限公司 | Multi-layer-tooth-gear automatic transmission based on volute spiral spring |
| CN109442008A (en) * | 2018-12-31 | 2019-03-08 | 牛清锋 | Electric vehicle multi-speed gear box |
| CN109854689A (en) * | 2019-01-31 | 2019-06-07 | 牛清锋 | Inner bearing type gearshift gearbox |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111097329A (en) * | 2020-01-14 | 2020-05-05 | 王凯 | Quick preparation device of lathe cutting fluid for machine-building |
| CN112128320A (en) * | 2020-07-30 | 2020-12-25 | 艾其宽 | Gear box |
| CN112128320B (en) * | 2020-07-30 | 2022-11-22 | 艾其宽 | Gear box |
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|---|---|
| CN110425258B (en) | 2024-05-31 |
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