CN208203838U - A kind of power takeoff operating mechanism suitable for heavy-duty machinery - Google Patents
A kind of power takeoff operating mechanism suitable for heavy-duty machinery Download PDFInfo
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- CN208203838U CN208203838U CN201820615743.3U CN201820615743U CN208203838U CN 208203838 U CN208203838 U CN 208203838U CN 201820615743 U CN201820615743 U CN 201820615743U CN 208203838 U CN208203838 U CN 208203838U
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- hydraulic pump
- power takeoff
- shaft
- heavy
- transmission
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- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 241000239290 Araneae Species 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 235000011464 Pachycereus pringlei Nutrition 0.000 claims 1
- 240000006939 Pachycereus weberi Species 0.000 claims 1
- 235000011466 Pachycereus weberi Nutrition 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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Abstract
A kind of power takeoff operating mechanism suitable for heavy-duty machinery, including inclination connecting cylinder, hydraulic pump input shaft, hydraulic pump main shaft, shift fork and shift fork axle, the left and right ends of the inclination connecting cylinder are respectively equipped with power takeoff connecting flange and hydraulic pump connecting flange, power takeoff connecting flange is fixedly connected with power takeoff, and hydraulic pump connecting flange is fixedly connected with hydraulic pump；It tilts and is equipped with transmission shaft in connecting cylinder, the right end of transmission shaft is connect by universal coupling with spider with the second transmission short axle, second transmission short axle connects the hydraulic pump input shaft of hydraulic pump by drive sleeve, input gear is fixedly mounted in hydraulic pump input shaft, input gear is engaged with master gear, and master gear is mounted on hydraulic pump main shaft by bearing；This is suitable for power takeoff operating mechanism of heavy-duty machinery using the structure connection and power transmission between an inclination connecting cylinder and the hydraulic pump and power takeoff of transmission shaft holding different spatial, and reduces power takeoff volume.
Description
Technical field
The utility model relates to power takeoff technical field, especially a kind of power takeoff suitable for heavy-duty machinery manipulates machine
Structure.
Background technique
On the heavy-duty machineries such as excavator, not only need to provide power for engine for the traveling of vehicle, it is also desirable to start
Machine provides some or all power for driving other component, this just needs to install on the engine of this kind of heavy-duty machinery
Power takeoff.Power takeoff is exactly one or more groups of transmission gears, also known as power take off, usually by gear-box, clutch, control
Device is composed, and is connect with gearbox low regime clutch or auxiliary box output shaft, and external equipment is outputted power to.
A kind of common structure of power takeoff is to connect with the hydraulic pump of automobile hydraulic system, is provided for hydraulic pump dynamic
Power is in the prior art direct-connected by flange and shaft coupling between power takeoff and hydraulic pump, but due to the limit of vehicle structure
System, there are power takeoffs and hydraulic pump distance farther out and not in sustained height, and connection structure traditional so is just no longer applicable in；Separately
One problem is exactly that the clutch of existing power takeoff is arranged inside power takeoff, significantly increases the volume of power takeoff,
It is even more so for the power takeoff of heavy-duty machinery, strong influence power takeoff flexible arrangement degree.
Utility model content
The utility model is intended to provide a kind of connection of power takeoff and hydraulic pump suitable for different height, and power taking body
The small power takeoff operating mechanism suitable for heavy-duty machinery of product.
To achieve the above object, the utility model provides the following technical solutions: a kind of power takeoff suitable for heavy-duty machinery
Operating mechanism, including inclination connecting cylinder, hydraulic pump input shaft, hydraulic pump main shaft, shift fork and shift fork axle, the inclination connecting cylinder
Left and right ends are respectively equipped with power takeoff connecting flange and hydraulic pump connecting flange, power takeoff connecting flange and the fixed company of power takeoff
It connects, hydraulic pump connecting flange is fixedly connected with hydraulic pump, and power takeoff connecting flange is equipped with round positioning close to the one side of power takeoff
Boss, the shell of power takeoff are equipped with the round positioning groove cooperated with round positioning convex platform；Hydraulic pump connecting flange is close to liquid
The one side of press pump is equipped with rectangular positioning groove, and the left side of the rectangular positioning groove is inclined surface, between inclined surface and horizontal plane
Angle be acute angle, the shell of hydraulic pump is equipped with the rectangular positioning convex platform cooperated with rectangular positioning groove；It tilts in connecting cylinder
Equipped with transmission shaft, the left end of transmission shaft is connect by universal coupling with spider with the first transmission short axle, the right end of transmission shaft
It is connect by universal coupling with spider with the second transmission short axle, wherein the first transmission short axle connects power takeoff by drive sleeve
Output shaft, the second transmission short axle connects the hydraulic pump input shaft of hydraulic pump by drive sleeve, fixed in hydraulic pump input shaft to pacify
Input gear is filled, input gear is engaged with master gear, and master gear is mounted on hydraulic pump main shaft by bearing, the left side of master gear
Hydraulic pump main shaft be equipped with sliding sleeve, the bottom of sliding sleeve is equipped with shift fork, and shift fork bottom end is fixedly connected with the right end of shift fork axle, shift fork axle
Left end stretch out hydraulic pump hull outside.
Further scheme as the utility model: the angle between the inclined surface and horizontal plane is 70 °~85 °.
Further scheme as the utility model: the output shaft of the drive sleeve and power takeoff, hydraulic pump input shaft,
It is connected between one transmission short axle, the second transmission short axle by spline or flat key.
Further scheme as the utility model: it is equipped in the drive sleeve defeated with output shaft, the hydraulic pump of power takeoff
Enter the connecting hole that axis, the first transmission short axle, the second transmission short axle cooperate, and inner circumferential opens up keyway.
Further scheme as the utility model: connect between the hydraulic pump input shaft and drive sleeve by the way that pin is fixed
It connects.
Further scheme as the utility model: the piston rod of the shift fork axis connection cylinder, cylinder connection gas supply system
System.
Compared with prior art, the utility model has the beneficial effects that machine should be manipulated suitable for the power takeoff of heavy-duty machinery
Structure using one inclination connecting cylinder and transmission shaft keep different spatial hydraulic pump and power takeoff between structure connection and
Power transmission, and assemble and position it is relatively simple quickly, facilitate installation, it is especially suitable for heavy-duty machinery；
And the clutches such as shift fork are arranged in the hydraulic pump connecting with power takeoff, greatly reduce power taking body
Product improves the flexibility ratio of power takeoff arrangement, is worth promoting.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the attachment structure schematic diagram of the power takeoff connecting flange of the utility model；
Fig. 3 is the hydraulic pump connecting flange, hydraulic pump input shaft, hydraulic pump main shaft, shift fork and shift fork axle of the utility model
Structural schematic diagram；
Fig. 4 is the structural schematic diagram of the hydraulic pump connecting flange of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-4, in the utility model embodiment, a kind of power takeoff operating mechanism suitable for heavy-duty machinery, packet
Inclination connecting cylinder 1, hydraulic pump input shaft 11, hydraulic pump main shaft 14, shift fork 16 and shift fork axle 17 are included, the inclination connecting cylinder 1
Left and right ends are respectively equipped with power takeoff connecting flange 2 and hydraulic pump connecting flange 3, and power takeoff connecting flange 2 and power takeoff 100 are solid
Fixed connection, hydraulic pump connecting flange 3 are fixedly connected with hydraulic pump 200, one side of the power takeoff connecting flange 2 close to power takeoff 100
Equipped with round positioning convex platform 21, the shell of power takeoff 100 is equipped with the round positioning groove cooperated with round positioning convex platform 21；By
In the connection for only tilting connecting cylinder 1 and power takeoff 100 herein, tilts 1 weight of connecting cylinder and size is smaller, activity is more
Flexibly, therefore using relatively simple flexible round location fit guarantee concentricity；
Hydraulic pump connecting flange 3 is equipped with rectangular positioning groove 31, the rectangular positioning groove 31 close to the one side of hydraulic pump 200
Left side be inclined surface, the angle between inclined surface and horizontal plane is acute angle, the shell of hydraulic pump 200 be equipped with it is rectangular fixed
The rectangular positioning convex platform that position groove 31 cooperates；This position is the position that hydraulic pump 200 is connect with inclination connecting cylinder 1, due to hydraulic
It pumps that 200 weight are larger, and flexibility ratio is lower, therefore is not easy to be positioned using round boss, design rectangular positioning groove herein
31 convenient for the assembly and positioning between hydraulic pump 200 and hydraulic pump connecting flange 3；
It tilts and is equipped with transmission shaft 4 in connecting cylinder 1, the left end of transmission shaft 4 is passed by universal coupling with spider 5 and first
Dynamic short axle 6 connects, and the right end of transmission shaft 4 is connect by universal coupling with spider 5 with the second transmission short axle 7, wherein first
It is driven the output shaft that short axle 6 connects power takeoff 100 by drive sleeve 8, the second transmission short axle 7 connects hydraulic pump by drive sleeve 8
200 hydraulic pump input shaft 11, input gear 12 is fixedly mounted in hydraulic pump input shaft 11, and input gear 12 is nibbled with master gear 13
It closes, master gear 13 is mounted on hydraulic pump main shaft 14 by bearing, and the hydraulic pump main shaft 14 in the left side of master gear 13, which is equipped with, to be slided
The bottom of set 15, sliding sleeve 15 is equipped with shift fork 16, and 16 bottom end of shift fork is fixedly connected with the right end of shift fork axle 17, and the left end of shift fork axle 17 is stretched
The hull outside of hydraulic pump 200 out.
Further, the shell of the power takeoff 100 of the periphery of the output shaft of power takeoff 100, which extends outwardly, constitutes tubular structure,
And it is equipped with ring flange close to the position of power takeoff connecting flange 2, it is bolted to connection with power takeoff connecting flange 2, to pass
Dynamic set 8 and axis connection provide space.
Further, the shell of the hydraulic pump 200 of the periphery of hydraulic pump input shaft 11, which extends outwardly, constitutes tubular structure, and leans on
The position of nearly hydraulic pump connecting flange 3 is equipped with ring flange, is bolted to connection with hydraulic pump connecting flange 3, is drive sleeve 8
And axis connection provides space.
Further, the angle between inclined surface and horizontal plane is 70 °~85 °.
Further, the output shaft of drive sleeve 8 and power takeoff 100, hydraulic pump input shaft 11, first are driven short axle 6, second and pass
It is connected between dynamic short axle 7 by spline or flat key.
Further, be equipped in drive sleeve 8 with the output shaft of power takeoff 100, hydraulic pump input shaft 11, first be driven short axle 6,
The connecting hole that second transmission short axle 7 cooperates, and inner circumferential opens up keyway.
Further, it is fixedly connected between hydraulic pump input shaft 11 and drive sleeve 8 by pin.Hydraulic pump input shaft 11 and biography
Corresponding pin hole is opened up on dynamic set 8, avoids the axial movement of hydraulic pump input shaft 11.
Further, shift fork axle 17 connects the piston rod of cylinder, and cylinder connects air supply system.Use a kind of common pneumatic band
The working method of dynamic shift fork axle 17.Other modes, such as shift fork axle 17 and the direct-connected mode of gear lever can also be used.
Further, sealing ring is equipped between shift fork axle 17 and hydraulic pump 200.
Further, the connection of hydraulic pump main shaft 14 is equal to by flat key for sliding sleeve 15 and it can be along 14 axis of hydraulic pump main shaft
It is the prior art to the principle of movement, similarly, is similarly the prior art with the connection structure and mode of shift fork 16.
The design feature and its working principle of the utility model: the utility model utilizes an inclination connecting cylinder 1 and transmission
Axis 4 keeps structure connection and power transmission between the hydraulic pump and power takeoff 100 of different spatial, and assembles and determine
Position is relatively simple quickly, facilitates installation；
Drive sleeve 8 is mounted on 100 output shaft of power takeoff and hydraulic pump input shaft 11 first, it is then that the first transmission is short
Axis 6 is inserted into the drive sleeve 8 on the output shaft of power takeoff 100, then round positioning convex platform 21 is recycled to complete power takeoff at this time
Both positioning between 100 shell of connecting flange 2 and power takeoff, and be bolted to connection；It completes inclination connecting cylinder 1 and takes
The installation of power device 100；
Then second is driven in the drive sleeve 8 that short axle 7 is inserted into hydraulic pump input shaft 11 again and (is not exclusively inserted into position), so
After recycle rectangular positioning convex platform to be caught in rectangular positioning groove 31, with the gradually fitting of the two, rectangular positioning convex platform and side
Also gradually wedging is not present axial rotation, does not need to rotate due to being rectangular positioning on the inclined-plane of shape positioning groove 31
Hydraulic pump 200 adjusts position, can directly be bolted to connection after fitting in place
The clutch of power takeoff is arranged in hydraulic pump side the utility model, can reduce the volume of power takeoff, makes
The arrangement of power takeoff is more flexible, and the output shaft of power takeoff transmits power, hydraulic pump by being driven axial hydraulic pump input shaft 11
Input shaft 11 passes through input gear 12 to the transmitting power of master gear 13 after receiving power, and shift fork axle 17 is mobile to drive shift fork 16 to move
Dynamic, shift fork 16 is mobile to drive sliding sleeve 15 to contact or separate with master gear 13 again, to realize master gear 13 and hydraulic pump main shaft 14
Between power transmission and interruption.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of power takeoff operating mechanism suitable for heavy-duty machinery, including inclination connecting cylinder, hydraulic pump input shaft, hydraulic pump master
Axis, shift fork and shift fork axle, which is characterized in that the left and right ends of the inclination connecting cylinder are respectively equipped with power takeoff connecting flange and liquid
Press pump connecting flange, power takeoff connecting flange are fixedly connected with power takeoff, and hydraulic pump connecting flange is fixedly connected with hydraulic pump, are taken
Power device connecting flange is equipped with round positioning convex platform close to the one side of power takeoff, and the shell of power takeoff is equipped with and round positioning convex platform
The round positioning groove of cooperation；Hydraulic pump connecting flange is equipped with rectangular positioning groove, the rectangular positioning close to the one side of hydraulic pump
The left side of groove is inclined surface, and the angle between inclined surface and horizontal plane is acute angle, the shell of hydraulic pump be equipped with it is rectangular
The rectangular positioning convex platform of positioning groove cooperation；It tilts and is equipped with transmission shaft in connecting cylinder, the left end of transmission shaft passes through Cardon universal joint ten thousand
It is connect to shaft coupling with the first transmission short axle, the right end of transmission shaft is connected by universal coupling with spider and the second transmission short axle
It connects, wherein the first transmission short axle connects the output shaft of power takeoff by drive sleeve, the second transmission short axle connects liquid by drive sleeve
Input gear is fixedly mounted in hydraulic pump input shaft in the hydraulic pump input shaft of press pump, and input gear is engaged with master gear, master gear
It is mounted on hydraulic pump main shaft by bearing, the hydraulic pump main shaft in the left side of master gear is equipped with sliding sleeve, and the bottom of sliding sleeve is equipped with
Shift fork, shift fork bottom end are fixedly connected with the right end of shift fork axle, and the hull outside of hydraulic pump is stretched out in the left end of shift fork axle.
2. a kind of power takeoff operating mechanism suitable for heavy-duty machinery according to claim 1, which is characterized in that described to incline
Angle between inclined-plane and horizontal plane is 70 °~85 °.
3. a kind of power takeoff operating mechanism suitable for heavy-duty machinery according to claim 1, which is characterized in that the biography
The output shaft of dynamic set and power takeoff, hydraulic pump input shaft, the first transmission short axle, second, which are driven between short axle, passes through spline or flat key
Connection.
4. a kind of power takeoff operating mechanism suitable for heavy-duty machinery according to claim 1, which is characterized in that the biography
The connection that short axle, the second transmission short axle cooperation are driven with the output shaft of power takeoff, hydraulic pump input shaft, first is equipped in dynamic set
Hole, and inner circumferential opens up keyway.
5. a kind of power takeoff operating mechanism suitable for heavy-duty machinery according to claim 1, which is characterized in that the liquid
It is fixedly connected between press pump input shaft and drive sleeve by pin.
6. a kind of power takeoff operating mechanism suitable for heavy-duty machinery according to claim 1, which is characterized in that described group
Fork shaft connects the piston rod of cylinder, and cylinder connects air supply system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820615743.3U CN208203838U (en) | 2018-04-27 | 2018-04-27 | A kind of power takeoff operating mechanism suitable for heavy-duty machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820615743.3U CN208203838U (en) | 2018-04-27 | 2018-04-27 | A kind of power takeoff operating mechanism suitable for heavy-duty machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208203838U true CN208203838U (en) | 2018-12-07 |
Family
ID=64522287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820615743.3U Expired - Fee Related CN208203838U (en) | 2018-04-27 | 2018-04-27 | A kind of power takeoff operating mechanism suitable for heavy-duty machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208203838U (en) |
-
2018
- 2018-04-27 CN CN201820615743.3U patent/CN208203838U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |