CN109185430A - gearbox and heavy truck - Google Patents
gearbox and heavy truck Download PDFInfo
- Publication number
- CN109185430A CN109185430A CN201811333194.1A CN201811333194A CN109185430A CN 109185430 A CN109185430 A CN 109185430A CN 201811333194 A CN201811333194 A CN 201811333194A CN 109185430 A CN109185430 A CN 109185430A
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- Prior art keywords
- odd
- axis
- cylinder
- shift fork
- piston rod
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 241001416181 Axis axis Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 240000006570 Euonymus japonicus Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
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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
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
- F16H2061/308—Modular hydraulic shift units, i.e. preassembled actuator units for select and shift movements adapted for being mounted on transmission casing
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses a kind of gearboxes, including preceding odd-side, odd-side afterwards, retarder, rear telescoping cylinder with the front stretching cylinder of the preceding shift fork axis connection of preceding odd-side and with shift fork axis connection after rear odd-side, the relatively rear shift fork axle axis of the rear piston rod axis of telescoping cylinder deflects predetermined angular to the direction far from front stretching cylinder around the axis of rear odd-side main shaft afterwards, and/or the relatively preceding shift fork axis shaft of the secondary piston rod axis of front stretching cylinder deflects predetermined angular to the direction far from rear telescoping cylinder around the axis of rear odd-side main shaft, so that the front end portion of retarder stretches in the gap between rear telescoping cylinder cylinder body and front stretching cylinder cylinder body.Increase the gap between the cylinder body of front stretching cylinder and the cylinder body of rear telescoping cylinder, to facilitate the front end portion of retarder to protrude into the gap, so that more compact in front-rear direction overall structure.Overall structure changes smaller, reduction cost of implementation.The invention also discloses a kind of heavy trucks including above-mentioned gearbox.
Description
Technical field
The present invention relates to field of power machinery technology to further relate to a kind of include upper more specifically to a kind of gearbox
State the heavy truck of gearbox.
Background technique
Braking ability is one of important performance indexes of automobile, especially prominent for heavy truck, heavy truck braking one
As using wheel side braking and engine cylinder in braking；In the mountain area for having long descending, if retarder can be matched, heavy type will be greatly improved
The braking ability of truck.Since the volume of retarder is bigger, after installing retarder additional on gearbox, so that entire gearbox is very
It is huge, and weight is tilted to side.
The gearbox of heavy truck generally comprises multiple speed change branch mailbox at present, a kind of to be than more typical structure, along output
Successively preceding odd-side, main tank and rear odd-side, these three speed change branch mailbox itself have the function of speed change in direction, and each speed change branch mailbox is equal
Including cabinet, main shaft, countershaft, gear set and shift fork axle.For preceding odd-side therein and rear odd-side, for driving corresponding shift fork axle
Mobile cylinder is installed in rear odd-side box back.In the rear end face of rear odd-side, medium position is main shaft, i.e., entire gearbox
Output shaft, wherein after countershaft in odd-side the left side of output shaft is set, the cabinet of rear odd-side is in flat, and upside is for pacifying
Supporting beam is filled, to connect with vehicle frame, lower side edge is closer apart from ground, and auxiliary box cylinder and preceding pair after arranging above and below left side
Case cylinder is moved forward and backward with respectively driving the shift fork axle of rear odd-side, and preceding odd-side shift fork axle is driven to be moved forward and backward.
Current retarder is mainly mounted in the rear end of rear odd-side, since the rear end space gap of rear odd-side is less, one
As retarder delayed into setting, it is not compact enough to will cause overall space in this way.
In conclusion how to efficiently solve in gearbox in the prior art, structure is not tight between retarder and rear odd-side
The problem of gathering is current those skilled in the art's urgent problem.
Summary of the invention
In view of this, the first purpose of this invention is to provide a kind of gearbox, which can be efficiently solved
The not compact problem of structure between retarder and rear odd-side in gearbox in the prior art, a second object of the present invention is to provide
A kind of heavy truck including above-mentioned gearbox.
In order to reach above-mentioned first purpose, the invention provides the following technical scheme:
A kind of gearbox, including preceding odd-side, rear odd-side, retarder, the front stretching with shift fork axis connection before the preceding odd-side
Cylinder and with it is described after after odd-side shift fork axis connection rear telescoping cylinder, it is described to extend back after described on the back casing trailing flank of odd-side
Contracting cylinder cylinder body and the front stretching cylinder cylinder body are arranged in the side of the left and right directions of the rear odd-side main shaft and up and down arrangement, institute
The countershaft for stating rear odd-side is arranged in the left and right directions other side of the rear odd-side main shaft, the rear piston rod axis of the rear telescoping cylinder
The relatively described rear shift fork axle axis deflects predetermined angle to the direction far from the front stretching cylinder around the axis of the rear odd-side main shaft
Axis of the relatively described preceding shift fork axis shaft of secondary piston rod axis of degree and/or the front stretching cylinder around the rear odd-side main shaft
Deflect predetermined angular to the direction far from telescoping cylinder after described so that the front end portion of the retarder stretch to it is described after it is flexible
In gap between cylinder cylinder body and the front stretching cylinder cylinder body.
According to above-mentioned technical solution, it is recognised that for gearbox, by the opposite preceding shift fork driven of front stretching cylinder
Deviate certain angle axially away from the direction of rear telescoping cylinder, and/or the opposite rear shift fork driven of rear telescoping cylinder axially away from
The direction of front stretching cylinder is angularly offset because front stretching cylinder and rear telescoping cylinder be in front-rear direction transmitting thrust,
Offset setting, which will not influence, realizes its function, furthermore it is possible to make between the cylinder body of front stretching cylinder and the cylinder body of rear telescoping cylinder
Gap increases, to facilitate the front end portion of retarder to protrude into the gap, so that rear odd-side and retarder are in the longitudinal direction
Overall structure is more compact.In addition, by the way that front stretching cylinder and/or rear telescoping cylinder are deflected certain angle, without changing front end
The position of shift fork axle changes overall structure smaller, reduces cost of implementation.In conclusion the gearbox can efficiently solve
The not compact problem of structure between retarder and rear odd-side in gearbox in the prior art.
Preferably, the relatively described rear shift fork axle axis of the rear piston rod axis of the rear telescoping cylinder is around the rear odd-side main shaft
Axis deflect predetermined angular to the direction far from the front stretching cylinder, and the secondary piston rod axis and the preceding shift fork axle are same
Axis setting.
Preferably, it is integrally formed and is connected by brace portion between the rear piston rod and the rear shift fork axle.
Preferably, after described the rear shift fork of odd-side be mounted on it is described after piston rod front end and mounting shaft hole and it is described after it is living
The axis coaxle of stopper rod is arranged.
Preferably, further include be fixedly mounted on it is described after odd-side rear shell intracorporal copper sheathing, the copper sheathing be set in it is described after
To be slidably matched with the rear piston rod on piston rod.
Preferably, the side in the brace portion is provided with boss, and the side of the boss is provided with and the rear piston rod
The centre hole of coaxial arrangement.
Preferably, useful matched with the rear piston rod to prevent the rear piston rod rotation is set on the back casing
Rotation stop hole.
In order to reach above-mentioned second purpose, the present invention also provides a kind of heavy truck, which includes above-mentioned
Any gearbox, further includes power device and walking component, which is connected to the power device and the walking group
Between part.Since above-mentioned gearbox has above-mentioned technique effect, the heavy truck with the gearbox should also have accordingly
Technical effect.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the shift fork drive mechanism schematic diagram of rear odd-side provided in an embodiment of the present invention；
Fig. 2 is the shift fork mounting structure schematic diagram of rear odd-side provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram on rear side of rear odd-side provided in an embodiment of the present invention；
Fig. 4 is the mounting structure schematic diagram of retarder provided in an embodiment of the present invention.
It is marked in attached drawing as follows:
Locking pin 1, rear shift fork axle 2, rear shift fork 3, back casing 4, copper sheathing 5, rear piston rod 6, rear telescoping cylinder 7, brace portion 8,
Front stretching cylinder 9, rear odd-side main shaft 10, rear odd-side countershaft 11, retarder 12, shift locking 13, signal extraction portion 14, lockhole 15,
Boss 16,
Specific embodiment
The embodiment of the invention discloses a kind of gearbox, which can be efficiently solved in gearbox in the prior art
The not compact problem of structure between retarder and rear odd-side.
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, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-Fig. 4 is please referred to, Fig. 1 is the shift fork drive mechanism schematic diagram of rear odd-side provided in an embodiment of the present invention；Fig. 2 is
The shift fork mounting structure schematic diagram of odd-side after provided in an embodiment of the present invention；After Fig. 3 is rear odd-side provided in an embodiment of the present invention
The structural schematic diagram of side；Fig. 4 is the mounting structure schematic diagram of retarder provided in an embodiment of the present invention.
In a specific embodiment, a kind of gearbox is present embodiments provided, is mainly used on heavy car, front end
It for input shaft, is sequentially connected with power device, rear end is output shaft, is connect with walking component, to be turned high speed by gearbox
Dynamic input shaft, reduction of speed are the output shaft to slowly run, will drive to walking mechanism after the high-speed driving reduction of speed of power device
Equal workpieces.
Specifically, the gearbox includes preceding odd-side, rear odd-side, retarder 12, front stretching cylinder 9 and rear telescoping cylinder 7, wherein before
Setting before and after odd-side and rear odd-side, and preceding odd-side is close to power device, then odd-side is close to walking component setting, in preceding odd-side and
One main tank can be set between odd-side afterwards, wherein preceding odd-side, main tank and rear odd-side are sequentially connected in series, generally respectively all have and drop alone
The function of speed is slowed down step by step with realizing.
Wherein retarder 12 are typically mounted at the rear side of rear odd-side, and effect is, in car deceleration or lower long slope,
Enable, smoothly to be slowed down, then remove from using brake and caused by abrasion and generate heat.The wherein structure of retarder 12,
And the transmission connection relationship between gearbox, it can refer to the prior art.
Wherein front stretching cylinder 9 is for the preceding shift fork axis connection with preceding odd-side, to be moved forward and backward for shift fork axle before driving, together
When drive before odd-side shift fork be moved forward and backward, and back-and-forths motion of preceding odd-side shift fork can push the gear set of preceding odd-side box house
Change meshing relation, to adjust the rotating ratio of input terminal and output end.It is corresponding, wherein rear telescoping cylinder 7 is used for and rear odd-side
Shift fork axle 2 connects afterwards, is moved forward and backward with shift fork axle 2 after driving, while odd-side shift fork is moved forward and backward after drive, is then dialled after odd-side
The gear set of odd-side box house changes meshing relation after the back-and-forth motion of fork 3 can push, to adjust input terminal and output end
Rotating ratio.Wherein front stretching cylinder 9 and rear telescoping cylinder 7 mainly use cylinder, i.e., include cylinder body, are arranged in cylinder interior
Piston rod 6 and fixed piston rod 6 on piston, wherein piston is set on piston rod 6, and is tightened by screw.
For rear odd-side, rear odd-side mainly includes cabinet, entering spindle, output main shaft, countershaft and shift fork, wherein input master
Axis and output main shaft coaxial arrangement, are respectively provided with gear above, and wherein countershaft is jackshaft, and the left and right directions one of main shaft is arranged in
Side, one end are engaged with entering spindle by gear set, and the other end is engaged with output main shaft by gear set, in entering spindle and pair
The gear set of multiple groups different-diameter ratio is set between axis or between output main shaft and countershaft, is moved forward and backward by shift fork, is pushed
Different diameters is engaged than gear set, to realize that different speed ratios pass speed.Wherein preceding odd-side and rear odd-side, can also do same principle
Design and on 4 trailing flank of the back casing of rear odd-side, wherein after 7 cylinder body of telescoping cylinder and 9 cylinder body of front stretching cylinder be arranged in after pair
The side of the left and right directions of case main shaft 10 and up and down arrangement, then odd-side countershaft 11 is arranged in the left and right directions of rear odd-side main shaft 10
The other side.Generally to the vehicle of left side setting operator seat, rear 7 cylinder body of telescoping cylinder and 9 cylinder body of front stretching cylinder are arranged in rear odd-side
The left side of main shaft 10, then odd-side countershaft 11 is arranged in the right side of rear odd-side main shaft 10.Then installation can be arranged in the upside of odd-side
Gearbox is mounted on vehicle frame by beam, and lower lateral extent ground is closer, so two sides are not suitable for installing retarder up and down
12。
In gearbox provided in this embodiment, wherein 6 axis of rear piston rod of rear telescoping cylinder 7,2 axis of rear shift fork axle relatively
Line deflects predetermined angular, the i.e. spindle shaft of odd-side afterwards to the direction far from front stretching cylinder 9 around the axis of rear odd-side main shaft 10
Line is center line, wherein the angle between rear 6 axis of piston rod and front stretching cylinder 9, is greater than rear 2 axis of shift fork axle and front stretching cylinder
Angle between 9 can effectively make retarder so that front stretching cylinder 9 and rear telescoping cylinder 7 are compared gap between in the past and increased
12 front end portion stretches in the gap between rear 7 cylinder body of telescoping cylinder and 9 cylinder body of front stretching cylinder, so that retarder 12 can be to
Preceding arrangement.It should be noted that the front end portion of retarder 12 stretches between rear 7 cylinder body of telescoping cylinder and 9 cylinder body of front stretching cylinder
Gap in, refer not only to front end portion and be located between the two, it is even more important that can there are overlapping portions in front-rear direction
Point.Wherein predetermined angular is determined according to the front end size of retarder 12, the front end of retarder 12 can be made to protrude into the gap
?.
Correspondence can also simultaneously, or only with following arrangements: the secondary piston rod axis of front stretching cylinder 9 relatively before shift fork
Axis axis deflects predetermined angular, the i.e. master of odd-side afterwards to the direction far from rear telescoping cylinder 7 around the axis of rear odd-side main shaft 10
Axis axis is center line, wherein the angle between secondary piston rod axis and rear telescoping cylinder 7, is greater than preceding shift fork axle axis and stretches afterwards
Angle between cylinder 7 can equally make retarder 12 so that front stretching cylinder 9 and rear telescoping cylinder 7 are compared gap between in the past and increased
Front end portion stretch in the gap between rear 7 cylinder body of telescoping cylinder and 9 cylinder body of front stretching cylinder.
In the present embodiment, for gearbox, by the opposite preceding shift fork driven of front stretching cylinder 9 axially away from rear flexible
The direction of cylinder 7 deviates certain angle, and/or the rear telescoping cylinder 7 opposite rear shift fork axle 2 driven is to far from front stretching cylinder 9
Direction is angularly offset, because front stretching cylinder 9 and rear telescoping cylinder 7 are in front-rear direction transmitting thrust, offset setting
It will not influence and realize its function, furthermore it is possible to increase the gap between the cylinder body of front stretching cylinder 9 and the cylinder body of rear telescoping cylinder 7
Greatly, it is protruded into the gap with the front end portion for facilitating retarder 12, so that rear odd-side and retarder 12 are whole in the longitudinal direction
Body structure is more compact.In addition, by the way that front stretching cylinder 9 and/or rear telescoping cylinder 7 are deflected certain angle, without changing front end
The position of shift fork axle changes overall structure smaller, reduces cost of implementation.In conclusion the gearbox can efficiently solve
The not compact problem of structure between retarder 12 and rear odd-side in gearbox in the prior art.
It is envisaged that structure is various for gearbox, component parts are various, all parts need again with
Other structures are acted on, so component locations should not change too much, if changing too much, it will cause costs significantly to increase, base
In this, herein preferably, only relatively described rear 2 axis of shift fork axle of 6 axis of rear piston rod of rear telescoping cylinder 7 is around rear odd-side main shaft 10
Axis deflects predetermined angular to the direction far from front stretching cylinder 9, and the secondary piston rod axis of front stretching cylinder 9 and preceding shift fork axle are coaxial
Setting.
It should be noted that for wherein, it can be by general connector, with even between rear piston rod 6 and rear shift fork axle 2
It is connected into one, is such as connected by screw bolts, welds, this causes later period assembly to need to readjust precision.Based on this, herein preferably after
Connection is integrally formed by brace portion 8 between the piston rod 6 and rear shift fork axle 2 of telescoping cylinder 7.Can on a straight rod member,
By being bent at two, to form three-stage structure.For piston rod 6, because there are relative frictions, and cooperation to close for many places
System needs, and needs that the side in brace portion 8 is preferably provided with boss 16 herein in order to facilitate processing in progress retrofit, and
The side of boss 16 is provided with the centre hole with the coaxial arrangement of rear piston rod 6, to facilitate carry out clamping.
For rear shift fork axle 2, shift locking 13, signal extraction portion 14 can be generally set in the front end of rear shift fork axle 2
With the lockhole 15 matched with locking pin 1, wherein locking pin 1 forms a mutual interlocking gear with lockhole 15, realizes main tank and rear pair
Interlocking between case, so that rear odd-side is after high and low shift switches in place, main tank just can be carried out operation of putting into gear.
It is then provided with rear shift fork 3 on odd-side, while being driven by rear piston rod 6, and for rear shift fork 3, it examines
It is larger to consider force ratio at rear shift fork 3, no longer rear shift fork 3 can be directly installed in rear shift fork axle 2, but by rear odd-side
Rear shift fork 3 front end of rear piston rod 6 is set, by the direct power transmission of rear piston rod 6.Specifically, the peace of rear shift fork 3 can be made
The axis coaxle for filling axis hole and rear piston rod 6 is arranged.
In actual installation, wherein 4 rear side of back casing of rear odd-side is arranged in the cylinder body of rear telescoping cylinder 7, so rear flexible
The rear piston rod 6 of cylinder 7 can be across back casing 4 to extend forward, in order to preferably make rear piston rod 6 carry out telescopic moving, generally
Supported hole can be set in back casing 4, to provide support force to rear piston rod 6.Therefore in rear 6 telescopic moving of piston rod, with
Relative friction is formed between back casing 4.For piston rod 6 after preferably protecting, it is also preferable to include pairs after being fixedly mounted on herein
Copper sheathing 5 in case back casing 4, copper sheathing 5 are set on rear piston rod 6 to be slidably matched with rear piston rod 6.
Further, consider to be arranged in a staggered manner between connected rear piston rod 6 and rear shift fork axle 2, then piston rod 6 is exhausted big
Part is cylindrical body, so being easy to be rotated about axis, and is once rotated about axis, then will lead to rear shift fork axle 2 substantially moves, and makes
It is not in place at the assembly of rear 2 front end of shift fork axle, and in assembling process, the axial location of piston rod 6 after strict control is needed, often
Process calibrating position repeatedly often is needed, is based on this, useful matched with rear piston rod 6 to hinder is set on preferred back casing 4 herein
The rotation stop hole that piston rod 6 rotates after only.Rotation stop hole simultaneously, additionally it is possible to play the role of limit.
The gearbox provided in based on the above embodiment, the present invention also provides a kind of heavy truck, the heavy truck packets
Any one gearbox in above-described embodiment is included, further includes power device and walking component, which is connected to the power
Between device and the walking component.Since the heavy truck uses the gearbox in above-described embodiment, so the heavy type is blocked
The beneficial effect of vehicle please refers to above-described embodiment.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of gearbox, including preceding odd-side, rear odd-side, retarder, the front stretching cylinder with shift fork axis connection before the preceding odd-side
It is flexible after described on the back casing trailing flank of the rear odd-side with the rear telescoping cylinder with shift fork axis connection after the rear odd-side
Cylinder cylinder body and the front stretching cylinder cylinder body are arranged in the side of the left and right directions of the rear odd-side main shaft and up and down arrangement, described
Odd-side countershaft is arranged in the left and right directions other side of the rear odd-side main shaft afterwards, which is characterized in that the rear work of telescoping cylinder after described
The relatively described rear shift fork axle axis of stopper rod axis is inclined to the direction far from the front stretching cylinder around the axis of the rear odd-side main shaft
Turn the relatively described preceding shift fork axis shaft of secondary piston rod axis of predetermined angular and/or the front stretching cylinder around the rear odd-side master
The axis of axis deflects predetermined angular to the direction far from the rear telescoping cylinder, so that the front end portion of the retarder stretches to institute
It states in the gap between rear telescoping cylinder cylinder body and the front stretching cylinder cylinder body.
2. gearbox according to claim 1, which is characterized in that the rear piston rod axis of telescoping cylinder is relatively described after described
Shift fork axle axis deflects predetermined angular to the direction far from the front stretching cylinder around the axis of the rear odd-side main shaft afterwards, and described
Secondary piston rod axis and the preceding shift fork axle are coaxially disposed.
3. gearbox according to claim 2, which is characterized in that pass through between piston rod and the rear shift fork axle after described
Brace portion is integrally formed connection.
4. gearbox according to claim 3, which is characterized in that the rear shift fork of odd-side is mounted on the rear piston after described
The front end of bar and the axis coaxle setting of mounting shaft hole and the rear piston rod.
5. gearbox according to claim 4, which is characterized in that further include being fixedly mounted in the rear odd-side back casing
Copper sheathing, the copper sheathing be set in it is described after on piston rod with it is described after piston rod be slidably matched.
6. gearbox according to claim 5, which is characterized in that the side in the brace portion is provided with boss, described convex
The side of platform is provided with the centre hole with the rear piston rod coaxial arrangement.
7. gearbox according to claim 6, which is characterized in that the useful and described rear piston rod is arranged on the back casing
Match the rotation stop hole to prevent the rear piston rod rotation.
8. a kind of heavy truck, including power device and walking component, which is characterized in that further include as claim 1-7 is any
Gearbox described in, the gearbox are connected between the power device and the walking component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811333194.1A CN109185430A (en) | 2018-11-09 | 2018-11-09 | gearbox and heavy truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811333194.1A CN109185430A (en) | 2018-11-09 | 2018-11-09 | gearbox and heavy truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109185430A true CN109185430A (en) | 2019-01-11 |
Family
ID=64938931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811333194.1A Pending CN109185430A (en) | 2018-11-09 | 2018-11-09 | gearbox and heavy truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109185430A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007292145A (en) * | 2006-04-21 | 2007-11-08 | Nsk Ltd | Toroidal continuously variable transmission |
| CN101454596A (en) * | 2005-12-09 | 2009-06-10 | 瀑溪技术公司 | Continuously variable transmission |
| CN101479126A (en) * | 2006-06-28 | 2009-07-08 | 沃尔沃拉斯特瓦格纳公司 | A system in a vehicle and a heavy vehicle |
| CN209083946U (en) * | 2018-11-09 | 2019-07-09 | 上海索达传动机械有限公司 | Gearbox and heavy truck |
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2018
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| CN101454596A (en) * | 2005-12-09 | 2009-06-10 | 瀑溪技术公司 | Continuously variable transmission |
| JP2007292145A (en) * | 2006-04-21 | 2007-11-08 | Nsk Ltd | Toroidal continuously variable transmission |
| CN101479126A (en) * | 2006-06-28 | 2009-07-08 | 沃尔沃拉斯特瓦格纳公司 | A system in a vehicle and a heavy vehicle |
| CN209083946U (en) * | 2018-11-09 | 2019-07-09 | 上海索达传动机械有限公司 | Gearbox and heavy truck |
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