CN208935216U - A kind of engineering vehicle engine drive mechanism - Google Patents
A kind of engineering vehicle engine drive mechanism Download PDFInfo
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- CN208935216U CN208935216U CN201821383631.6U CN201821383631U CN208935216U CN 208935216 U CN208935216 U CN 208935216U CN 201821383631 U CN201821383631 U CN 201821383631U CN 208935216 U CN208935216 U CN 208935216U
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Abstract
The utility model provides a kind of engineering vehicle engine drive mechanism, including engine, it further include clutch, the engine has flywheel, the clutch includes clutch cover body, the frictional disk positioned at the intracorporal platen of the clutch cover and between the platen and the flywheel, and the clutch lid is fixedly connected on the flywheel.Since clutch lid is fixedly connected on flywheel, it can not be influenced to pass the power of engine by clutch separation shape body, the loss of gearbox is relatively low, service life is relatively high, and since flywheel only needs to connect with clutch, structure is more compact, and the volume of engineering vehicle engine drive mechanism is relatively small, installs and safeguards and is more convenient.
Description
Technical field
The utility model relates to a kind of drive mechanism, especially a kind of engineering vehicle engine drive mechanism.
Background technique
Engineering truck is used exclusively for being engaged in vehicle of engineering construction, including excavator, bull-dozer, mixer truck and crane etc.
Type, other than needing to be implemented walking motion possessed by common vehicle, it is also necessary to execute and for example excavate, bulldoze, stirring
Or the movement such as lifting.Engineering vehicle engine drive mechanism is a kind of for the power of engineering vehicle engine to be transmitted to correspondence
Execution unit on engineering truck partial structurtes, existing engineering vehicle engine drive mechanism mainly includes that mutual transmission connects
The engine and clutch connect, the power takeoffs such as gearbox and transfer case of engineering truck are by transmission connection in the defeated of clutch
Outlet, when clutch executes separating action, transfer case and gearbox can run out of steam simultaneously, however in actual use, work
When journey vehicle does not need to execute walking motion, usually there is still a need for engines to provide power support for the execution units such as working arm, this
When clutch necessarily be in connection status, gearbox is forced in working condition, is easy loss, service life is relatively low.
Although working arm when can be by connecting to realize that gearbox does not work transfer case with the flywheel of engine
Equal execution units still work normally, however this volume that will lead to engineering vehicle engine drive mechanism is more huge, installation
It is more inconvenient with safeguarding.
In view of this, the applicant conducts in-depth research engineering vehicle engine drive mechanism, there is this case production then
It is raw.
Utility model content
And a kind of installation relatively high the purpose of this utility model is to provide service life and maintenance conveniently work
Journey vehicle motor drive mechanism.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of engineering vehicle engine drive mechanism, including engine, further include clutch, and the engine, which has, to fly
Wheel, the clutch includes clutch cover body, be located at the intracorporal platen of the clutch cover and be located at the platen and the flywheel it
Between frictional disk, the clutch lid is fixedly connected on the flywheel.
It further include transfer case and gearbox as a kind of improvement of the utility model, the gearbox includes speed change input
Axis, the transfer case include transfer input shaft, and the transfer input shaft is hollow shaft, and the transmission input shaft be interspersed in it is described
In transfer input shaft, the transmission input shaft is connected with the frictional disc drive, the transfer input shaft and the clutch lid
Transmission connection.
As a kind of improvement of the utility model, between the transmission input shaft and the frictional disk and/or the transfer
Yielding coupling is connected between input shaft and the clutch lid.
As a kind of improvement of the utility model, the transfer case includes transfer casing, is fixedly connected or is integrally attached to
Input gear on the transfer input shaft, the output gear directly or indirectly engaged with the input gear, the output gear
Transfer output shaft is fixedly connected with or is connected on wheel, and the transfer output shaft is rotatably connected in the transfer casing.
As a kind of improvement of the utility model, the transfer output shaft is the splined shaft with axis splined hole, the axis
One end of splined hole is provided with connector sleeve group, and the connector sleeve group includes connector sleeve, the expansion sleeve that is interspersed on the connector sleeve
And the locking member for locking the connector sleeve and the expansion sleeve, the lateral surface of the connector sleeve are provided with and axis flower
First outer spline section of keyhole cooperation, and the medial surface of the connector sleeve is provided with internal taper hole, the lateral surface of the expansion sleeve is set
It is equipped with the male cone (strobilus masculinus) with internal taper hole cooperation, and the medial surface of the expansion sleeve is provided with internal spline section.
As a kind of improvement of the utility model, the lateral surface of the expansion sleeve is additionally provided with flange, opens on the flange
Equipped with through-hole, the expansion sleeve offers threaded hole at position corresponding with the through-hole, and the locking member is with nut
Bolt, the bolt is interspersed to be connect in the through hole and with the threaded hole spiral, and the nut of the bolt is supported described
On flange.
As a kind of improvement of the utility model, the axis splined hole is provided with spline far from one end of the connector sleeve group
Set, the spline housing have the set splined hole coaxially arranged with the spline housing, and the set splined hole is towards the connector sleeve group
One end be sealedly connected with blanking cover.
As a kind of improvement of the utility model, the splined shaft the axis splined hole far from the connector sleeve group one
End offers counterbore of the internal diameter greater than the maximum outside diameter of the axis splined hole, and the lateral surface of the spline housing is provided with and the axis
Second outer spline section of splined hole cooperation and the sealing ring cooperated with the counterbore, the inner sidewall of the sealing ring and the counterbore
Between be provided with the first oil sealing.
As a kind of improvement of the utility model, the side of the expansion sleeve offers short slot, and the short slot is described swollen
Fixed one of endface position is connected to outside, another endface position of the expansion sleeve is connected with connection ring,
The lateral surface of the connection ring is provided with external thread section, and the locking member is the company being connected on the external thread section with spiral
Connected nut, one end of the attaching nut towards the male cone (strobilus masculinus) are supported on the connector sleeve.
By adopting the above technical scheme, the utility model has the following beneficial effects:
1, it since clutch lid is fixedly connected on flywheel, can not be influenced the dynamic of engine by clutch separation shape body
Power passes, and the loss of gearbox is relatively low, and service life is relatively high, and since flywheel only needs to connect with clutch,
Structure is more compact, and the volume of engineering vehicle engine drive mechanism is relatively small, installs and safeguards and is more convenient.
2, by setting hollow shaft for transfer input shaft, facilitate the volume for further decreasing drive mechanism.
3, after the splined shaft of plunger pump penetrates internal spline section, the phase interworking between internal taper hole and male cone (strobilus masculinus) can be passed through
It closes, so that expansion sleeve is closely supported on the splined shaft of plunger pump, eliminates the gap between internal spline and external splines, the two is not
Easily mutually collision, service life are relatively high.
4, it by setting blanking cover and the first oil sealing, effectively avoids the lubricating oil at axis splined hole both ends from being connected to, can effectively keep away
The lubricating oil exempted between the air compressor machine and plunger pump that are sequentially connected with engineering truck transfer case is connected to, it is ensured that air compressor machine and plunger
The lubricant effect of pump.
Detailed description of the invention
Fig. 1 is the utility model engineering truck drive assembly structural schematic diagram；
Fig. 2 is the structural schematic diagram at another visual angle of the utility model engineering truck drive assembly；
Fig. 3 is the cutting structural schematic diagram that the utility model engineering truck is driven middle layer；
Fig. 4 is the partial enlarged view of position at A in Fig. 3；
Fig. 5 is the partial enlarged view of position at B in Fig. 3；
Fig. 6 is the partial enlarged view of position at C in Fig. 3；
Fig. 7 is the structural schematic diagram of the connector sleeve group in the utility model；
Fig. 8 is the structural schematic diagram at another visual angle of connector sleeve group in the utility model.In figure clipped components and
Cut-away section line, mark correspondence is as follows in figure:
10- engine；11- flywheel；
20- clutch；21- clutch lid；
22- platen；23- frictional disk；
30- transfer case；31- transfer casing；
32- transfer input shaft；33- input gear；
34- output gear；35- jackshaft；
36- intermediate gear；37- transfer output shaft；
38- axis splined hole；39- counterbore；
40- gearbox；41- gearbox body；
42- transmission input shaft；43- speed change outward flange；
50- transmission case；51- transmission case body；
52- transmission output shaft；The more lip anti-dust seals of 53-；
The first oil seal body of 53a-；The second oil seal body of 53b-；
The first sealing lip of 53c-；53d- nail collection slot；
The second sealing lip of 53e-；54- is driven outward flange；
55- is driven oil inlet passage；56- transmission input shaft；
57- drive bevel gear；58- driven wheel of differential；
60- air compressor machine；
61- lubricating oil return hole；62- lubricating oil pipe；
63- oil transfer pump；64- draws oilhole；
The second oil sealing of 65-；70- yielding coupling；
71- transition plates；80- connector sleeve group；
81- connector sleeve；82- expansion sleeve；
83- locking member；84- flange；
85- short slot；
90- spline housing；91- covers splined hole；
92- blanking cover；93- sealing ring；
The first oil sealing of 94-.
Specific embodiment
The utility model is described further in the following with reference to the drawings and specific embodiments.
Embodiment one.
As Figure 1-Figure 8, engineering truck drive assembly provided in this embodiment is substantially also a kind of engineering truck
Driving engine structure, the clutch 20 and transfer case 30 that are sequentially connected including engine 10, respectively with engine 10 and clutch
The gearbox 40 that device 20 is sequentially connected and the transmission case 50 being sequentially connected with gearbox 40, wherein transfer case 30 is located at clutch
Between device 20 and gearbox 40, i.e., clutch 20, transfer case 30 and gearbox 40 are sequentially arranged.Preferably, the present embodiment provides
Engineering truck drive assembly further include respectively with transfer case 30 be sequentially connected air compressor machine 60 and plunger pump (not shown),
It is of course also possible to which above-mentioned air compressor machine 60 or plunger pump are replaced with gear pump or belt pulley.
Engine 10 has flywheel 11, and this kind of engine with flywheel is conventional engine, is widely used in all kinds of
In engineering truck, the not emphasis of the present embodiment, and will not be described here in detail.
Clutch 20 include clutch lid 21, the platen 22 in clutch lid 21 and be located at platen 22 and flywheel 11 it
Between frictional disk 23 (also referred to as driven disc or damping fin), certainly, clutch 20 should also including diaphragm spring etc. parts, these
Part and its connection structure are identical as conventional clutch configuration, not the emphasis of the present embodiment, and and will not be described here in detail.Clutch cover
Body 21 is fixedly connected on flywheel 11 indirectly directly or by clutch housing, and whether no matter clutch is in this way executes separation
Movement, clutch lid 21 can still rotate under the drive of flywheel 11, provide power for transfer case 30；And in 20 company of execution of clutch
When connecing movement, frictional disk 23 is pressed on flywheel 11 by platen 22, is rubbed with the frictional force drive between frictional disk 23 and flywheel 11
It wipes disk 23 to rotate, provides power for gearbox 40, when clutch 20 executes separating action, frictional disk 23 is due to losing platen 22
Pressure, between frictional disk 23 and flywheel 11 there is no frictional force generate or generated frictional force be not enough to drive frictional disk
23 rotations, no longer provide power for gearbox 40.
Gearbox 40 includes the inner cavity that gearbox body 41 and one end are located at gearbox body 41 and the other end from gearbox body 41
Inner cavity in the transmission input shaft 42 that is pierced by, the gearbox 40 with the gearbox body 41 and transmission input shaft 42 is conventional work
Journey vehicle gear box.It is connected between transmission input shaft 42 and frictional disk 23 by yielding coupling 70, specifically, yielding coupling
70 input terminal is fixedly connected by spiral with frictional disk 23, and output end is fixedly connected by pin or key with transmission input shaft 42.
It should be noted that the structure of yielding coupling 70 is identical as the structure of existing yielding coupling in the market, but in view of tool
The dimensions of body, existing yielding coupling is likely difficult to directly use in the market, needs according to existing yielding coupling
The dimensions self manufacture of structure according to actual needs.
Transmission case 50 includes transmission case body 51, the transmission case 50 that uses in the present embodiment and its between gearbox 40
Transmission connecting structure is all identical as conventional engineering truck.In addition, the transmission case body 51 in the present embodiment is fixedly connected on speed change
On cabinet 41.
Specific transmission connecting structure between transfer case 30 and engine 10 can be conventional structure, such as by transfer case
30 and engine 10 the connection of crank or flywheel 11, but perhaps need to change the structure or needs of available engine in this way
Occupy biggish space.Preferably, in the present embodiment, transfer case 30 and clutch lid 21 are sequentially connected, and realize transfer with this
The transmission connection of case 30 and engine 10.
Transfer case 30 includes transfer casing 31, is rotatably connected on by bearing in transfer casing 31 and from transfer casing 31
The transfer input shaft 32 that is pierced by inner cavity, the input gear 33 for being fixedly connected or being integrally attached on transfer input shaft 32 and straight
The output gear 34 for connecing or engaging indirectly with input gear 33, in the present embodiment, transfer case 30 further include being fixedly connected or one
The jackshaft 35 and the intermediate gear 36 on jackshaft 35 is rotatably connected on by bearing that body is connected in transfer casing 31, input
Gear 33 and output gear 34 pass through the indirect engagement engaged realized between the two with intermediate gear 36 respectively.In addition, output gear
It is fixedly connected with or is connected with transfer output shaft 37 on wheel 34, transfer output shaft 37 is rotatably connected on transfer casing by bearing
On 31.Certainly, transfer output shaft 37 and jackshaft 35 are all located in the inner cavity of transfer casing 31, and transfer output shaft 37, centre
Axis 35 and transfer input shaft 32 are sequentially arranged from the top down.Transfer output shaft 37 can be with air compressor machine 60, plunger pump, gear pump and skin
The transmission connection of one or two of belt wheel device, certainly, in this embodiment, the both ends of transfer output shaft 37 are sequentially connected respectively
There are air compressor machine 60 and plunger pump.
Transfer input shaft 32 is hollow shaft, and transmission input shaft 42 is interspersed in transfer input shaft 32, this spline structure is more
It is compact, certainly, needed between transmission input shaft 42 and transfer input shaft 32 there are gap, to guarantee that the two can be non-interfering
It is rotated.In addition, transfer input shaft 32 and clutch lid 21 are sequentially connected, to realize between transfer case 30 and clutch lid 21
Transmission connection, specifically, in the present embodiment, being also connected with yielding coupling between transfer input shaft 32 and clutch lid 21
70, the input terminal of the yielding coupling 70 is fixedly connected with transition plates 71, and the transition plates 71 is solid by pin and clutch lid 21
Fixed connection, output end are fixedly connected by pin or key with transfer input shaft 32.
Air compressor machine 60 and plunger pump are all device possessed by conventional engineering truck, directly can commercially be obtained
, wherein there is on the casing of air compressor machine 60 lubrication fuel feed hole and lubricating oil return hole 61.The input shaft of air compressor machine 60 and plunger pump
All there is outer spline section, transfer output shaft 37 is the splined shaft with axis splined hole 38, the input shaft of air compressor machine 60 and plunger pump
Outer spline section can be formed directly into the both ends of axis splined hole 38, realize that the transmission of air compressor machine 60 and plunger pump and transfer case 30 connects
It connects, since the price of plunger pump is relatively high, in order to avoid the outer spline section damage on the input shaft of plunger pump leads to plunger pump
Whole replacement is needed, provides a kind of spline connection of the external splines on the input shaft for being hardly damaged plunger pump in the present embodiment
Structure, the structure include the above-mentioned splined shaft (i.e. transfer output shaft 37) with axis splined hole 38, and axis splined hole 38 is most
Small internal diameter is greater than the maximum gauge of the outer spline section of the input shaft of air compressor machine 60 and plunger pump, it is preferred that for the ease of processing, axis
Splined hole 38 only needs both ends to have internal spline.One end of axis splined hole 38 is provided with connector sleeve group 80, and the other end is provided with
Spline housing 90, i.e. axis splined hole 38 are provided with spline housing 90 far from one end of connector sleeve group 80.
Connector sleeve group 80 is including connector sleeve 81, the expansion sleeve 82 being interspersed on connector sleeve 81 and for locking connector sleeve 81
With the locking member 83 of expansion sleeve 82, similar with conventional expansion sleeve, the side of expansion sleeve 82 offers short slot 85, which passes through
The medial surface and lateral surface of logical expansion sleeve 82, to ensure that the diameter of expansion sleeve 82 can change.Short slot 85 on expansion sleeve 82
Quantity and its specific set-up mode can determine according to actual needs, for example, a short slot 85 only can be arranged in expansion sleeve 82,
Can also be in the multiple short slots 85 of setting on expansion sleeve 82, one of endface position and outside of each short slot 85 in expansion sleeve 82
Connection, can also be arranged multiple short slots 85 on expansion sleeve 82, and part short slot 85 is the first short slot, and another part short slot 85 is the
Two short slots, endface position of first short slot in one end of expansion sleeve 82 are connected to outside, and the second short slot is another expansion sleeve 82
The endface position at end is connected to outside, and the first short slot and the second short slot are successively alternately arranged.The lateral surface of connector sleeve 81 is arranged
Have the first outer spline section cooperated with axis splined hole 38, and the medial surface of connector sleeve 81 is provided with internal taper hole, expansion sleeve 82 it is outer
Side is provided with the male cone (strobilus masculinus) with internal taper hole cooperation, and the medial surface of expansion sleeve 82 is provided with internal spline section, the input of plunger pump
Outer spline section on axis is interspersed in internal spline section, realizes the transmission connection between plunger pump and transfer case 30.
Locking member 83 can be conventional locking member, as long as it can ensure that expansion sleeve 82 can hold the input of plunger pump tightly
Outer spline section on axis.Preferably, in the present embodiment, the lateral surface of expansion sleeve 82 is additionally provided with flange 84, flange 84
Positioned at the position of the relatively large one end of male cone (strobilus masculinus) diameter, offer through-hole on the flange 84, connector sleeve 81 with it is logical
Offer threaded hole at the corresponding position in hole, locking member 83 is the bolt with nut, and the bolt is interspersed in through-holes and and spiral shell
The connection of pit spiral, and the nut of the bolt is supported on flange 84.In use, by the outer spline section on the input shaft of plunger pump
It is interspersed in internal spline section, then clamping screw, so that connector sleeve 81 and expansion sleeve 82 are tightened up in opposite directions, in internal taper hole and outer cone
Under the collective effect of face, expansion sleeve 82 can be held tightly on the outer spline section on the input shaft of plunger pump, eliminate the input shaft of plunger pump
On outer spline section and internal spline section between gap, it is ensured that shock will not be generated between the two, finally wear connector sleeve group 80
It is inserted in axis splined hole 38.It should be noted that being preferably formed with gap between flange 84 and the end face of connector sleeve 81 after assembly
Both (can not i.e. contact), and the two sidewalls of short slot 85 will not be bonded to each other, and preferably holding can be achieved in this way, avoid due to
The two sidewalls of the end face or short slot 85 of flange 84 and connector sleeve 81, which are bonded to each other, causes assembly crewman to be difficult to understand expansion sleeve 82
Whether hold tightly on the outer spline section on the input shaft of plunger pump.
Spline housing 90 has the set splined hole 91 coaxially arranged with spline housing 90, and 91 air compressor machine 60 of set splined hole is defeated
The outer spline section for entering axis cooperates.One end of set splined hole 91 towards connector sleeve group 80 is sealedly connected with blanking cover 92, to prevent
Lubricating oil on the input shaft of air compressor machine 60 flows in plunger pump through covering splined hole 91.Splined shaft (i.e. transfer output shaft 37) is in axis
Splined hole 38 offers counterbore 39 of the internal diameter greater than the maximum outside diameter of axis splined hole 38, spline housing far from one end of connector sleeve group 80
The sealing ring 93 that 90 lateral surface is provided with the second outer spline section cooperated with axis splined hole 38 and cooperates with counterbore 39, sealing ring
The first oil sealing 94 is provided between 93 and the inner sidewall of counterbore 39, the lubricating oil warp beam flower on the input shaft to prevent air compressor machine 60
Keyhole 38 flows in plunger pump.
In addition, the present embodiment additionally provides the lubrication system of engineering truck drive assembly, which includes above-mentioned transfer case
30 and gearbox 40, wherein under the inner cavity of the gearbox body 41 of the inner cavity lower part and gearbox 40 of the transfer casing 31 of transfer case 30
Portion is interconnected, and can share lubricating oil in this way.Specific connectivity structure (not shown) can basis between two cabinets
Actual needs setting, such as two cabinets are fixedly connected and the aperture on two cabinets respectively, or by pipeline by the two
Connection etc..Certainly, the lubrication system of engineering truck drive assembly provided in this embodiment can also include above-mentioned transmission case 50,
The inner cavity lower part of the transmission case body 51 of transmission case 50 is also interconnected with the inner cavity lower part of gearbox body 41, and such three cabinets can
Shared lubricating oil.It should be noted that being worn down since existing transmission case 50 would generally have from the inner cavity of transmission case body 51
The external oil leak in order to prevent of transmission output shaft 52 is arrived out, is preferably set between transmission output shaft 52 and transmission case body 51
Set more lip anti-dust seals 53.More lip anti-dust seals 53 include the first oil seal body 53a and the second oil seal body being mutually permanently connected
53b, wherein to be provided with multiple axis along the first oil seal body 53a are sequentially arranged first close for the inner sidewall of the first oil seal body 53a
Lip 53c is sealed, each first sealing lip 53c is gradually in tilted layout to the direction of transmission output shaft 52 from bottom to top, and two neighboring the
It is formed with nail collection slot 53d between one sealing lip 53c, in this way, nail collection slot 53d can store each transmission parts machine in transmission case body 51
Tool generated scrap when merging, avoids scrap from influencing the sealing effect of oil sealing.The inner sidewall of second oil seal body 53b is provided with two
A second sealing lip 53e, the second sealing lip 53e are identical as the structure of sealing lip on conventional oil sealing, and and will not be described here in detail.
Preferably, the lubrication system of engineering truck drive assembly provided in this embodiment further includes above-mentioned air compressor machine 60, is become
The bottom of fast cabinet 41 or transfer casing 31 is provided with the lubricating oil pipe 62 being connected to the inner cavity of corresponding cabinet, in this embodiment
It is provided with by the bottom of gearbox body 41 and is illustrated for the lubricating oil pipe 62 of the inner cavity of corresponding cabinet connection.Lubricating oil
Be provided with oil transfer pump 63 on pipe 62, and lubricating oil pipe 62 is connected to lubrication fuel feed hole, and lubricating oil return hole 61 then with transfer casing
31 inner cavity top connection, specifically, the casing of air compressor machine 60 is fixedly connected with transfer casing 31, transfer casing 31 is divided being located at
Dynamic 37 lower section of output shaft and being located at offered at the position of 35 top of jackshaft be connected to lubricating oil return hole 61 draw oilhole 64, this
Lubricating oil in gearbox body 41 or transfer casing 31 can be drawn into air compressor machine 60 and be lubricated to air compressor machine 60 by sample, profit
Lubricating oil after cunning then successively by lubricating oil return hole 61 and draws oilhole 64 and returns in the inner cavity of transfer casing 31 and reuse,
During reflux, these lubricating oil can moisten jackshaft 35 and transfer input shaft 32 and corresponding gear and bearing
It is sliding.Certainly, in order to avoid lubricating oil flows out transfer casing 31, transfer input shaft 32 and transfer casing 31 along transfer input shaft 32
Between be preferably provided with the second oil sealing 65.
Preferably, lubricating oil pipe 62 be additionally attached to transfer casing 31 top and the top position of transfer casing 31 with point
The inner cavity of dynamic cabinet 31 is interconnected, convenient for being lubricated to transfer output shaft 37 and corresponding gear and bearing.Likewise,
Lubricating oil pipe 62 also can connect the top in transmission case body 51 and in the top position of transmission case body 51 and transmission case body 51
Inner cavity is interconnected, and leads to specifically, the upper end of transmission case body 51 offers the transmission oil inlet being connected to the inner cavity of transmission case body 51
Road 55, lubricating oil pipe 62 is connect with transmission oil inlet passage 55 and the two is interconnected.Certainly, lubricating oil pipe 62 not with gearbox body
One end of 41 connections need to be arranged three branches, three branches respectively with transmission oil inlet passage 55, lubrication fuel feed hole and transfer
The one-to-one mating connection of cabinet 31, and oil transfer pump 63 cannot be arranged on the branch road of lubricating oil pipe 62.
Embodiment two.
Shown in referring to figs. 2 and 3, a kind of variable speed drive is present embodiments provided, which can pass through clutch 20
It is sequentially connected with the engine 10 of engineering truck.The device includes gearbox 40 and the transmission case with the transmission connection of gearbox 40
50, it is the same as example 1, gearbox 40 includes gearbox body 41, and transmission case 50 includes transmission case body 51, gearbox body 41
Inner cavity lower part and the inner cavity lower part of gearbox body 41 are interconnected；What is different from the first embodiment is that the speed change due to this implementation passes
Dynamic device can independently be sold, therefore there is no settings for by the inner cavity lower part of transfer casing 31 on its gearbox body 41
The interconnected connectivity structure with the inner cavity lower part of the gearbox body 41 of gearbox 40, in addition, in the present embodiment, gearbox body
41 have speed change outward flange 43 towards the side of transmission case body 51, and transmission case body has towards 51 to the side of gearbox 41 to be fitted in
Transmission outward flange 54 on speed change outward flange 43, it is mutually solid by bolt assembly between speed change outward flange 43 and transmission outward flange 54
Fixed connection, installs and safeguards in this way and is more convenient.It should be noted that bolt assembly is conventional mutually matched bolt, spiral shell
Female and gasket, can directly buy acquisition, and will not be described here in detail from the market.
The bottom of gearbox body 41 in the present embodiment is again provided with the lubricating oil being connected to the inner cavity of gearbox body 41
Pipe 62 is also equipped with oil transfer pump 63 on lubricating oil pipe 62, and implements unlike one, in the present embodiment, 62 nothing of lubricating oil pipe
Branch need to be set, and the one end not connecting with gearbox body 41 is directly connect with transmission oil inlet passage 55.
In addition, the transmission case 50 in this implementation further includes being pierced by vertically down from the inner cavity of transmission case body 51 to external biography
Dynamic output shaft 52 and transmission input shaft 56 horizontally disposed and with the transmission connection of the output shaft of gearbox 40, wherein gearbox
40 output shaft and the specific transmission connecting structure of transmission input shaft 56 are conventional structure, not emphasis in the present embodiment, this
Place is no longer described in detail.It is provided with drive bevel gear 57 on transmission input shaft 56, is provided on transmission output shaft 52 and drive bevel gear
The driven wheel of differential 58 of 57 engagements, realizes transmission connection between the two with this, certainly, transmission output shaft 52 and transmission case body 51
Between be equally provided with the more lip anti-dust seals 53 being the same as example 1.
Preferably, in the present embodiment, the oral area that transmission oil inlet passage 55 is connected to the inner cavity of transmission case body 51 is located at master
The top of dynamic bevel gear 57, convenient for being lubricated to drive bevel gear 57 and driven wheel of differential 58.It should be noted that be driven into
The oral area that oily channel 55 is connected to the inner cavity of transmission case body 51 can have it is multiple (i.e. transmission oil inlet passage 55 not for only there are two
The straight channel of oral area), when it has it is multiple when, only need one of them to be located at the top of drive bevel gear 57.
Embodiment three.
The difference between this embodiment and the first embodiment lies in the present embodiment, the side of expansion sleeve 82 equally offers scarce
Slot 85, the medial surface and lateral surface of the short slot 85 equally perforation expansion sleeve 82, to ensure that the diameter of expansion sleeve 82 can change, but
It is, but the short slot 85 is connected in one of endface position of expansion sleeve 82 with outside, and another end face position of expansion sleeve 82
It sets and is connected with connection ring, the lateral surface of the connection ring is provided with external thread section, and certainly, the inner hole of the connection ring cannot influence
Outer spline section on the input shaft of plunger pump is penetrated, locking member is the connection spiral shell being connected on above-mentioned external thread section with spiral
Mother, one end of the attaching nut towards male cone (strobilus masculinus) are supported on connector sleeve 81, and the relatively small one end direction in internal taper hole aperture
Attaching nut.
In use, the outer spline section on the input shaft of plunger pump is interspersed in internal spline section, connection spiral shell has then been locked
Mother, so that connector sleeve 81 and expansion sleeve 82 are tightened up in opposite directions, under internal taper hole and male cone (strobilus masculinus) collective effect, expansion sleeve 82 can be held tightly
On the outer spline section on the input shaft of plunger pump, eliminate between the outer spline section on the input shaft of plunger pump and internal spline section
Gap, it is ensured that shock will not be generated between the two, finally connector sleeve group 80 is interspersed in axis splined hole 38.
The utility model is described in detail above in conjunction with attached drawing, but the embodiments of the present invention and not only
It is limited to above embodiment, those skilled in the art can make various modifications to the utility model according to the prior art, these
Belong to the protection scope of the utility model.
Claims (9)
1. a kind of engineering vehicle engine drive mechanism, including engine, which is characterized in that it further include clutch, it is described to start
Machine has flywheel, and the clutch includes clutch cover body, is located at the intracorporal platen of the clutch cover and is located at the platen and institute
The frictional disk between flywheel is stated, the clutch lid is fixedly connected on the flywheel.
2. engineering vehicle engine drive mechanism as described in claim 1, which is characterized in that further include transfer case and speed change
Case, the gearbox include transmission input shaft, and the transfer case includes transfer input shaft, and the transfer input shaft is hollow shaft,
And the transmission input shaft is interspersed in the transfer input shaft, the transmission input shaft is connected with the frictional disc drive, institute
State transfer input shaft and clutch lid transmission connection.
3. engineering vehicle engine drive mechanism as claimed in claim 2, which is characterized in that the transmission input shaft and described
Yielding coupling is connected between frictional disk and/or between the transfer input shaft and the clutch lid.
4. engineering vehicle engine drive mechanism as claimed in claim 2 or claim 3, which is characterized in that the transfer case includes point
Dynamic cabinet, the input gear for being fixedly connected or being integrally attached on the transfer input shaft, directly or indirectly with the input tooth
The output gear of engagement is taken turns, is fixedly connected with or is connected with transfer output shaft, the transfer output shaft on the output gear
It is rotatably connected in the transfer casing.
5. engineering vehicle engine drive mechanism as claimed in claim 4, which is characterized in that the transfer output shaft be with
The splined shaft of axis splined hole, one end of the axis splined hole are provided with connector sleeve group, and the connector sleeve group includes connector sleeve, interts
Expansion sleeve on the connector sleeve and the locking member for locking the connector sleeve and the expansion sleeve, the connector sleeve
Lateral surface is provided with the first outer spline section with axis splined hole cooperation, and the medial surface of the connector sleeve is provided with inner cone
Hole, the lateral surface of the expansion sleeve are provided with the male cone (strobilus masculinus) with internal taper hole cooperation, and the medial surface setting of the expansion sleeve
There is internal spline section.
6. engineering vehicle engine drive mechanism as claimed in claim 5, which is characterized in that the lateral surface of the expansion sleeve is also
It is provided with flange, through-hole is offered on the flange, the expansion sleeve offers screw thread at position corresponding with the through-hole
Hole, the locking member are the bolt with nut, and the bolt is interspersed to be connect in the through hole and with the threaded hole spiral, and
The nut of the bolt is supported on the flange.
7. engineering vehicle engine drive mechanism as claimed in claim 5, which is characterized in that the axis splined hole is far from described
One end of connector sleeve group is provided with spline housing, and the spline housing has the set splined hole coaxially arranged with the spline housing, described
One end of set splined hole towards the connector sleeve group is sealedly connected with blanking cover.
8. engineering vehicle engine drive mechanism as claimed in claim 7, which is characterized in that the splined shaft is in axis flower
Keyhole offers counterbore of the internal diameter greater than the maximum outside diameter of the axis splined hole, the spline far from one end of the connector sleeve group
The lateral surface of set is provided with the sealing ring with the second outer spline section of axis splined hole cooperation and with counterbore cooperation, described
The first oil sealing is provided between sealing ring and the inner sidewall of the counterbore.
9. engineering vehicle engine drive mechanism as claimed in claim 5, which is characterized in that the side of the expansion sleeve opens up
There is short slot, the short slot is connected in one of endface position of the expansion sleeve with outside, another end of the expansion sleeve
Face position is connected with connection ring, and the lateral surface of the connection ring is provided with external thread section, and the locking member is with spiral
The attaching nut being connected on the external thread section, one end of the attaching nut towards the male cone (strobilus masculinus) are supported in the connection
It puts on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821383631.6U CN208935216U (en) | 2018-08-27 | 2018-08-27 | A kind of engineering vehicle engine drive mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821383631.6U CN208935216U (en) | 2018-08-27 | 2018-08-27 | A kind of engineering vehicle engine drive mechanism |
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| CN208935216U true CN208935216U (en) | 2019-06-04 |
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| CN201821383631.6U Active CN208935216U (en) | 2018-08-27 | 2018-08-27 | A kind of engineering vehicle engine drive mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360244A (en) * | 2019-08-21 | 2019-10-22 | 山东雷沃传动有限公司 | A kind of friction disk type freewheel clutch and the loading machine comprising it |
-
2018
- 2018-08-27 CN CN201821383631.6U patent/CN208935216U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360244A (en) * | 2019-08-21 | 2019-10-22 | 山东雷沃传动有限公司 | A kind of friction disk type freewheel clutch and the loading machine comprising it |
| CN110360244B (en) * | 2019-08-21 | 2023-08-22 | 山东雷沃传动有限公司 | Friction plate type overrunning clutch and loader comprising same |
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