CN108443348A - 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
- Publication number
- CN108443348A CN108443348A CN201810389744.5A CN201810389744A CN108443348A CN 108443348 A CN108443348 A CN 108443348A CN 201810389744 A CN201810389744 A CN 201810389744A CN 108443348 A CN108443348 A CN 108443348A
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- CN
- China
- Prior art keywords
- power takeoff
- hydraulic pump
- shaft
- heavy
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D11/00—Clutches in which the members have interengaging parts
- F16D11/14—Clutches in which the members have interengaging parts with clutching members movable only axially
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D11/00—Clutches in which the members have interengaging parts
- F16D2011/002—Clutches in which the members have interengaging parts using an external and axially slidable sleeve for coupling the teeth of both coupling components together
Abstract
A kind of power takeoff operating mechanism suitable for heavy-duty machinery, including tilting connecting cylinder, hydraulic pressure pump input shaft, hydraulic pump main shaft, shift fork and shift fork axle, the left and right ends for tilting 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 pressure pump input shaft of hydraulic pump by drive sleeve, input gear is fixedly mounted in hydraulic pressure pump input shaft, input gear is engaged with master gear, and master gear is mounted on by bearing on hydraulic pump main shaft；This is suitable for the structure connection and power transmission that the power takeoff operating mechanism of heavy-duty machinery is tilted using one between connecting cylinder and the hydraulic pump and power takeoff of transmission shaft holding different spatial, and reduces power takeoff volume.
Description
Technical field
The present invention relates to power takeoff technical field, especially a kind of power takeoff operating mechanisms suitable for heavy-duty machinery.
Background technology
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 change 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 be 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.
Invention content
The present invention is intended to provide a kind of connection of power takeoff and hydraulic pump suitable for different height, and power takeoff is small
The power takeoff operating mechanism suitable for heavy-duty machinery.
To achieve the above object, the present invention provides the following technical solutions：A kind of power takeoff suitable for heavy-duty machinery manipulates
Mechanism, including connecting cylinder, hydraulic pressure pump input shaft, hydraulic pump main shaft, shift fork and shift fork axle are tilted, the left and right for tilting connecting cylinder
Both ends are respectively equipped with power takeoff connecting flange and hydraulic pump connecting flange, and power takeoff connecting flange is fixedly connected with power takeoff, liquid
Press pump connecting flange is fixedly connected with hydraulic pump, and power takeoff connecting flange is equipped with round positioning convex platform close to the one side of power takeoff,
The shell of power takeoff is equipped with the round positioning groove coordinated with round positioning convex platform；Hydraulic pump connecting flange is close to hydraulic pump
It is equipped with rectangular positioning groove on one side, the left side of the rectangular positioning groove is inclined surface, the angle between inclined surface and horizontal plane
For acute angle, the shell of hydraulic pump is equipped with the rectangular positioning convex platform coordinated with rectangular positioning groove；It tilts to be equipped in connecting cylinder and pass
The left end of moving axis, transmission shaft is connect by universal coupling with spider with the first transmission short axle, and the right end of transmission shaft passes through ten
Word shaft type Hooks coupling universal coupling is connect with the second transmission short axle, wherein the first transmission short axle connects the output of power takeoff by drive sleeve
Axis, the second transmission short axle are connected the hydraulic pressure pump input shaft of hydraulic pump by drive sleeve, input are fixedly mounted in hydraulic pressure pump input shaft
Gear, input gear are engaged with master gear, and master gear is mounted on by bearing on hydraulic pump main shaft, the hydraulic pressure in the left side of master gear
It pumps main shaft and is 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, the left end of shift fork axle
Stretch out the hull outside of hydraulic pump.
Further scheme as the present invention：Angle between the inclined surface and horizontal plane is 70 °~85 °.
Further scheme as the present invention：The output shaft of the drive sleeve and power takeoff, hydraulic pressure pump input shaft, first pass
It is connected by spline or flat key between dynamic short axle, the second transmission short axle.
Further scheme as the present invention：Be equipped in the drive sleeve with the output shaft of power takeoff, hydraulic pressure pump input shaft,
The connecting hole that first transmission short axle, the second transmission short axle coordinate, and inner circumferential opens up keyway.
Further scheme as the present invention：It is fixedly connected by pin between the hydraulic pressure pump input shaft and drive sleeve.
Further scheme as the present invention：The piston rod of the shift fork axis connection cylinder, cylinder connect air supply system.
Compared with prior art, the beneficial effects of the invention are as follows：This is suitable for the power takeoff operating mechanism profit of heavy-duty machinery
The structure connection tilted between connecting cylinder and the hydraulic pump and power takeoff of transmission shaft holding different spatial with one 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 being connect with power takeoff, greatly reduce power taking body
Product improves the flexibility ratio of power takeoff arrangement, is worth promoting.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the attachment structure schematic diagram of the power takeoff connecting flange of the present invention；
Fig. 3 be the present invention hydraulic pump connecting flange, hydraulic pressure pump input shaft, hydraulic pump main shaft, shift fork and shift fork axle knot
Structure schematic diagram；
Fig. 4 is the structural schematic diagram of the hydraulic pump connecting flange of the present invention.
Specific implementation mode
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 describes, 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.
Please refer to Fig.1-4, in the embodiment of the present invention, a kind of power takeoff operating mechanism suitable for heavy-duty machinery, including incline
Oblique connecting cylinder 1, hydraulic pressure pump input shaft 11, hydraulic pump main shaft 14, shift fork 16 and shift fork axle 17, the left and right for tilting connecting cylinder 1
Both ends are respectively equipped with power takeoff connecting flange 2 and hydraulic pump connecting flange 3, and power takeoff connecting flange 2 is fixed with power takeoff 100 to be connected
It connects, hydraulic pump connecting flange 3 is fixedly connected with hydraulic pump 200, and power takeoff connecting flange 2 is equipped with close to the one side of power takeoff 100
Round positioning convex platform 21, the shell of power takeoff 100 are equipped with the round positioning groove coordinated with round positioning convex platform 21；Due to this
Place only tilts the connection of connecting cylinder 1 and power takeoff 100, tilts 1 weight of connecting cylinder and size is smaller, activity is more clever
It is living, therefore concentricity is ensured using relatively simple flexible round location fit；
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 coordinates；This position is the position that hydraulic pump 200 is connect with inclination connecting cylinder 1, due to hydraulic pressure
It pumps that 200 weight are larger, and flexibility ratio is relatively low, 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 pressure pump input shaft 11, input gear 12 is fixedly mounted in hydraulic pressure pump input shaft 11, and input gear 12 is nibbled with master gear 13
It closes, master gear 13 is mounted on by bearing on hydraulic pump main shaft 14, 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
Go out the hull outside of hydraulic pump 200.
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 pressure 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, drive sleeve 8 is driven short axle 6, second and passes with the output shaft of power takeoff 100, hydraulic pressure pump input shaft 11, first
It is connected by spline or flat key between dynamic short axle 7.
Further, be equipped in drive sleeve 8 with the output shaft of power takeoff 100, hydraulic pressure pump input shaft 11, first be driven short axle 6,
The connecting hole that second transmission short axle 7 coordinates, and inner circumferential opens up keyway.
Further, it is fixedly connected by pin between hydraulic pressure pump input shaft 11 and drive sleeve 8.Hydraulic pressure pump input shaft 11 and biography
Corresponding pin hole is opened up on dynamic set 8, avoids the axial movement of hydraulic pressure 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, the prior art is similarly with the connection structure and mode of shift fork 16.
The design feature and its operation principle of the present invention：The present invention tilts connecting cylinder 1 using one and transmission shaft 4 is kept not
Structure connection between the hydraulic pump and power takeoff 100 of isospace position and power transmission, and assemble and position and is more simple
It is single quick, facilitate installation；
Drive sleeve 8 is mounted on 100 output shaft of power takeoff and hydraulic pressure 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 to tilt connecting cylinder 1 and take
The installation of power device 100；
Then (position will be not exclusively inserted into) in the drive sleeve 8 in the second transmission insertion hydraulic pressure of short axle 7 pump input shaft 11 again, so
After recycle rectangular positioning convex platform to be caught in rectangular positioning groove 31, with the gradual fitting of the two, rectangular positioning convex platform and side
The inclined-plane of shape positioning groove 31 also gradual wedging, due to being rectangular positioning, there is no axial rotations, need not rotate
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 present invention, can reduce the volume of power takeoff, make power taking
The arrangement of device is more flexible, and the output shaft of power takeoff is by being driven axial 11 passing power of hydraulic pump input shaft, hydraulic pump input
By input gear 12 to 13 passing power of master gear after the reception power of axis 11, the movement of shift fork axle 17 drives shift fork 16 to move, dials
16 movement of fork drives sliding sleeve 15 to contact or detach with master gear 13 again, is moved between master gear 13 and hydraulic pump main shaft 14 to realize
The transmission and interruption of power.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
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 embodiment being appreciated that.
Claims (6)
1. a kind of power takeoff operating mechanism suitable for heavy-duty machinery, including tilt connecting cylinder, hydraulic pressure pump input shaft, hydraulic pump master
Axis, shift fork and shift fork axle, which is characterized in that the left and right ends for tilting 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, is 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 pressure pump input shaft in the hydraulic pressure 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 left end of shift fork axle stretches out the hull outside of hydraulic pump.
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
Pass through spline or flat key between the output shaft of dynamic set and power takeoff, hydraulic pressure pump input shaft, the first transmission short axle, the second transmission short axle
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
It is dynamic to cover the interior connection for being equipped with and coordinating with the output shaft of power takeoff, hydraulic pressure pump input shaft, the first transmission short axle, the second transmission short axle
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 by pin between press pump input shaft and drive sleeve.
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 |
|---|---|---|---|
| CN201810389744.5A CN108443348A (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 |
|---|---|---|---|
| CN201810389744.5A CN108443348A (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 |
|---|---|
| CN108443348A true CN108443348A (en) | 2018-08-24 |
Family
ID=63201738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810389744.5A Pending CN108443348A (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) | CN108443348A (en) |
-
2018
- 2018-04-27 CN CN201810389744.5A patent/CN108443348A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180824 |
|
| WD01 | Invention patent application deemed withdrawn after publication |