CN109114207A - Power drive system and crane - Google Patents
Power drive system and crane Download PDFInfo
- Publication number
- CN109114207A CN109114207A CN201810890550.3A CN201810890550A CN109114207A CN 109114207 A CN109114207 A CN 109114207A CN 201810890550 A CN201810890550 A CN 201810890550A CN 109114207 A CN109114207 A CN 109114207A
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- China
- Prior art keywords
- driver
- jiao
- shell
- drive system
- torque
- 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
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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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/038—Gearboxes for accommodating bevel gears
-
- 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
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0423—Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention relates to power transmission arrangments, disclose a kind of power drive system and crane, wherein, the power drive system includes supporting board (1), torque output device, first transfer gear (6), first torque reception device and first jiao of driver (11) and second jiao of driver (10) and the second torque reception device, first jiao of driver (11) and second jiao of driver (10) include shell (13), the circulating pump (15) external in shell (13) in the internal driving member of the shell (13) and setting is set, it is connected to form circulating oil path so that the lubricating oil in the shell (13) can be recycled inside the circulating pump (15) and the shell (13).By the way that circulating pump is arranged in angle driver, the lubricating oil in circulating pump can be recycled, can the driving member inside diagonal driver be lubricated, guarantee that angle driver is reliably run, improve transmission efficiency.
Description
Technical field
The present invention relates to power transmission arrangments, and in particular, to a kind of power drive system and crane.
Background technique
There are two types of auxiliary plans for mobilecrane vehicle at present: monomotor dynamical system and twin-engined dynamical systems
System.Monomotor dynamical system is the shared engine that gets on and off, and executes road driving and hoisting operation；It is twin-engined dynamic
The i.e. lower car engine of Force system executes road driving, and upper car engine executes hoisting operation.Current 90 tons and the above large-tonnage
Heavy-duty machine generallys use twin-engined forms, that is, car engine is descended to be served only for driving chassis traveling, and upper car engine is served only for driving
Upper vehicle hydraulic system etc..
Generally, monomotor dynamical system is mainly used on medium and small tonnage crane, using the power of pure fluid pressure type
Transfer mode also has the scheme using single-shot driving of getting on or off the bus on some of hoister in large tonnage.In monomotor scheme, pass
Dynamic chain is too long, and occupied space is big, and mechanical loss is big, is easy to appear failure, and working efficiency is not high；Nothing inside the angle driver of use
Lubricating system, it is unreliable to lubricate, and transmission efficiency is low, and noise is also big；The shaft coupling of use is common spline connection, is easy to produce
Raw eccentric carrying, influences power transmitting stability and part service life.
Summary of the invention
The object of the present invention is to provide a kind of power drive system, be difficult to lubricate to solve transmission parts, transmission efficiency it is low
The problem of.
To achieve the goals above, the present invention provides a kind of power drive system, wherein the power drive system includes
Supporting board, the torque output device on the downside of the supporting board, the first transfer gear, the first torque reception device and first
Angle driver and second jiao of driver and the second torque reception device on the upside of the supporting board, the torque output
Device is sequentially connected by the transfer gear in the first torque reception device, and the torque output device passes sequentially through described
Transfer gear, first jiao of driver, second jiao of driver transmission connection are in the second torque reception device, and described the
One jiao of driver is located on the downside of second jiao of driver, and first jiao of driver and second jiao of driver include shell
Body, the driving member that the enclosure interior is set and the circulating pump that hull outside is set, the circulating pump and the shell
Inside connection forms circulating oil path can recycle to the intracorporal lubricating oil of the shell.
Preferably, the driving member includes two bevel gears being engaged with each other, and two bevel gears it is respective in
Mandrel line is perpendicular to one another.
Preferably, it is provided on the shell coaxially connected in the bevel gear and across two branch of the shell respectively
Axis is supportted, each support shaft passes through two bearing supports that the enclosure interior is arranged in.
Preferably, the circulating pump transmission connection is in the support shaft to be driven by the support shaft.
Preferably, the height of one of them support shaft is greater than the height of another support shaft, the circulating pump
Oil inlet be connected to the shell, and the oil outlet of the circulating pump is connected with petroleum pipeline, and the petroleum pipeline is connected to institute
Shell is stated adjacent to the part of support shaft described in one of them, so as to two institutes for supporting one of them support shaft
It states bearing and lubricating oil is provided.
Preferably, first jiao of driver and second jiao of driver pass through the drum-shaped tooth type extended along the vertical direction
Shaft coupling connection.
Preferably, the power drive system further includes the second transfer gear being arranged on the upside of the supporting board, described
Second jiao of driver is sequentially connected by second transfer gear in the second torque reception device.
Preferably, the torque output device, first transfer gear and first jiao of driver are arranged along horizontal linear
Column.
Preferably, the first torque reception device includes drive axle, and the second torque reception device includes hydraulic pump.
Preferably, the torque output device includes the engine, clutch and speed changer being successively sequentially connected.
Preferably, the supporting board is vehicle frame.
In addition, the present invention also provides a kind of cranes, wherein the crane includes that power described in above scheme passes
Dynamic system.
Preferably, for the crane in hoisting operations, the engine is idle with 2.5 times -3 times.
Through the above technical solutions, can be carried out to the lubricating oil in circulating pump by the way that circulating pump is arranged in angle driver
Circulation, can the driving member inside diagonal driver be lubricated, guarantee that angle driver is reliably run, improve transmission efficiency.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of power drive system described in embodiment according to the present invention；
Fig. 2 is the structural schematic diagram that the direction A is observed along Fig. 1；
Fig. 3 is the structural schematic diagram of angle driver described in embodiment according to the present invention；
Fig. 4 is the power curve and torque curve of engine.
Description of symbols
1 supporting board, 2 engine
3 clutch, 4 speed changer
5 transmission shaft, 6 first transfer gear
7 drum-shaped tooth type shaft coupling, 8 second transfer gear
9 10 second jiaos of hydraulic pump drivers
11 first jiaos of 12 drive axles of driver
13 shell, 14 bevel gear
15 circulating pump, 16 support shaft
17 bearing, 18 ring flange
19 petroleum pipelines
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower " typically refers to support plate
Positional relationship when portion's (such as vehicle frame) is horizontally disposed.
The present invention provides a kind of power drive systems, wherein the power drive system includes supporting board 1, is located at
Torque output device, the first transfer gear 6, the first torque reception device and the first jiao of driver 11 of 1 downside of supporting board
And second jiao of driver 10 and the second torque reception device positioned at 1 upside of supporting board, the torque output device
It is sequentially connected by the transfer gear in the first torque reception device, the torque output device passes sequentially through the transfer
Device, first jiao of driver 11, second jiao of driver 10 transmission connection are in the second torque reception device, and described the
One jiao of driver 11 is located at second jiao of driver, 10 downside, first jiao of driver 11 and second jiao of driver 10
It is described including shell 13, the driving member being arranged in inside the shell 13 and the circulating pump 15 being arranged in outside shell 13
It is connected to form circulating oil path so that the lubricating oil in the shell 13 can be recycled inside circulating pump 15 and the shell 13.
The torque output device of this programme needs to provide torque to the torque reception device of at least two different locations, because
This, needs to be arranged transfer gear, i.e. the first transfer gear 6, and the first transfer gear 6 is provided with input shaft and multiple output shafts, passes through
Input shaft is sequentially connected in the torque output device, and is sequentially connected to receive in the first torque respectively by multiple output shafts and fill
Set with the second torque reception device, form two drive paths, first drive path is torque output device → the first
Transfer gear → the first torque reception device is located at the torque reception device below of supporting board 1, second drive path is institute
State torque output device → the first transfer gear → the first jiao driver → the second jiao driver → second torque reception device, i.e., from
The drive path of upside is extended on the downside of supporting board 1 (generally horizontally disposed), wherein between above-described transmission parts
It can be sequentially connected by transmission shaft 5 or other torque drive components.
Wherein, the angle driver of the same race that first jiao of driver 11 and second jiao of driver 10 can be almost the same for structure,
The angle driver includes the shell 13 for accommodating driving member, and circulating pump 15 is provided with outside shell 13, and circulating pump 15 can lead to
The cavity composition circulating oil path in connecting tube and shell 13 is crossed, the lubrication oil stream inside shell 13 can be made by circulating pump 15
Dynamic circulation, not only can be improved lubricant effect, but also be conducive to the cooling heat dissipation of lubricating oil, while can help the biography in shell 13
Moving part heat dissipation.
Specifically, the driving member includes two bevel gears 14 being engaged with each other, and two bevel gears 14 are respectively
Central axis it is perpendicular to one another.One in two bevel gears 14 is driving gear, another is driven gear, the center of the two
Axis is perpendicular to one another, so as to change the direction of the torque, i.e., so that torque direction changes 90 degree, such as first jiao of driver 11
The torque of horizontal direction can be changed into the torque of vertical direction, second jiao of driver 10 can be by the torque axis of vertical direction
The torque for becoming horizontal direction is changed by the torque direction twice of first jiao of driver 11 and second jiao of driver 10, can be with
By the horizontal torque transmitting for being located at 1 downside of supporting board for positioned at the horizontal torque of 1 upside of supporting board.Wherein, bevel gear 14
It can be helical bevel gear or spiral bevel gear.
In addition, being provided on the shell 13 coaxially connected in the bevel gear 14 and across the two of the shell 13 respectively
A support shaft 16, each support shaft 16 pass through two bearings 17 support being arranged in inside the shell 13.Support shaft 16
The inside of shell 13 is extended to from the outside of shell 13 and coaxially connected with bevel gear 14, as shown in figure 3, support shaft 16 is located at shell
One end outside body 13 is connected with ring flange 18, and support shaft 16 can be connect by ring flange 18 with the equal transmission parts of transmission shaft 5.
In addition, support shaft 16 is by two bearing 17 (for example, roller bearing) supports, generally bearing 17 may include that opposite can turn
Dynamic inner ring and outer ring, outer ring can be fixed on shell 13, and inner ring is connected to support shaft 16, and two bearings 17 are two positions
It sets to provide support shaft 16 and stablizes support, support shaft 16 is allowed more stably to rotate and transmit torque.
Preferably, the transmission connection of circulating pump 15 is in the support shaft 16 to be driven by the support shaft 16.Two
Support shaft 16 is rotatably installed on shell 13, and one of support shaft 16 can be input shaft, another is output shaft, is followed
Ring pump 15 can be gear pump, and driving member therein can be sequentially connected at least one support shaft 16 to receive torque, pass through
Support shaft 16 drives circulating pump 15 to run, and realizes to the circulation lubricated in shell 13.
Further, the height of one of them support shaft 16 is greater than the height of another support shaft 16, described
The oil inlet of circulating pump 15 is connected to the shell 13, and the oil outlet of the circulating pump 15 is connected with petroleum pipeline 19, described
Petroleum pipeline 19 is connected to the shell 13 adjacent to the part of support shaft 16 described in one of them, so as to support wherein one
The bearing 17 of two of a support shaft 16 provides lubricating oil.As shown in figure 3, one of support shaft 16 be located at upside and
Height with higher, circulating pump 15 is connected to shell 13, and passes through near petroleum pipeline 19 and one of support shaft 16
A part connection of shell 13, so that the lubricating oil that petroleum pipeline 19 exports can be ejected into the axis for supporting one of support shaft 16
It holds on 17, realizes the lubrication to the bearing 17 of higher position, another group of 17 height of bearing is smaller, can be at least partially submerged in profit
In lubricating oil.
In addition, first jiao of driver 11 and second jiao of driver 10 pass through the barreled tooth flank extended along the vertical direction
Formula shaft coupling 7 connects.Gear coupling is one of fast coupling, and torsion is transmitted by inside and outside gear teeth meshing
Square, since the external tooth tooth top of half a coupler is processed into spherical surface (sphere centre should be located at axis on), and make to engage between cog have compared with
Big backlash, to make the ability of any direction displacement with two axis of good compensation.Wherein, external gear can be cydariform
Tooth, i.e. drum-shaped tooth type shaft coupling, this is more advantageous to the ability for increasing the compensation integration displacement of shaft coupling.The cydariform that this programme uses
Gear coupling, backlash is larger, allows biggish angular displacement, can improve the contact conditions of tooth, improves the energy of transmitting torque
Power prolongs the service life.The shaft coupling has good lubrication and sealing structure form, failure rate low.
Wherein, the power drive system further includes the second transfer gear 8 that 1 upside of supporting board is arranged in, described
Second jiao of driver 10 is sequentially connected by second transfer gear 8 in the second torque reception device.Supporting board 1 it is upper
Multiple torque reception devices also can be set in side, therefore, can be received by the second transfer gear 8 (passing through transmission shaft 5) from the
The torque of two jiaos of drivers 10, and different torque reception devices is transferred torque to by multiple output shafts, such as second
Torque reception device.
Specifically, the torque output device, first transfer gear 6 and first jiao of driver 11 are along horizontal linear
Arrangement.As shown in Figure 1, the torque output device, the first transfer gear 6 and the first jiao of interval of driver 11 setting, and edge
It is roughly parallel to the arranged in a straight line of supporting board 1, i.e., linearly transmits torque, wherein the torque output device and
Transmission shaft 5 between one transfer gear 6 can transmission shaft 5 substantially between the first transfer gear 6 and first jiao of driver 11 it is coaxial
Setting or two transmission shafts 5 can the relatively lesser angles of deflection.
Specifically, the first torque reception device includes drive axle 12, and the second torque reception device includes hydraulic
Pump 9.As shown in Figure 1, the first transfer gear 6 has multiple output shafts, including the output shaft that is connect with first jiao of driver 11 and
The output shaft connecting respectively with the drive axle of left and right side 12, the first transfer gear 6 are connected to left and right two by transmission shaft 5
The drive axle 12 of side, every side can be set multiple drive axles 12, connected between drive axle 12 by transmission shaft 5, drive axle 12
It can connect in wheel, to allow the power drive system mobile by wheel.In addition, as shown in Fig. 2, hydraulic pump 9 passes
It is dynamic to be connected to the second transfer gear 8, to receive the torque from the torque output device.
Specifically, the torque output device includes the engine 2, clutch 3 and speed changer 4 being successively sequentially connected.
Engine 2 is sequentially connected by clutch 3 and speed changer 4, and speed changer 4 is connected to the first transfer gear 6 by transmission shaft 5, is passed through
Clutch 3 is operated, the connection of engine 2 and speed changer 4 can be connected to or disconnect, to be connected to or disconnect to the first transfer gear 6
Torque transmitting, the torque of the adjustable output end of speed changer 4 output.
Specifically, the supporting board 1 is vehicle frame.Vehicle frame is generally horizontally disposed, and this programme is by being arranged under vehicle frame
Single engine 2 drives the hydraulic pump 9 on the upside of vehicle frame and the drive axle on the downside of vehicle frame 12, and hydraulic pump 9 can be with
For driving lifting equipment etc., drive axle 12 can be used for driving wheel, realize the movement of power drive system.
In addition, the present invention also provides a kind of cranes, wherein the crane includes that power described in above scheme passes
Dynamic system.Wherein, supporting board 1 is vehicle frame, can carry the various components of lifting part, the torque output device includes position
Engine 2 on the downside of vehicle frame can drive the hydraulic pump 9 of the jack machinism on the upside of vehicle frame by single engine 2, while can
To drive the drive axle 12 on the downside of vehicle frame, to drive the wheel for being connected to drive axle 12, allow crane mobile.
Preferably, for the crane in hoisting operations, the engine 2 is idle with 2.5 times -3 times.Wherein, it rises
The idling speed of engine 2 in heavy-duty machine generally can be 600rpm, known by the power curve of Fig. 4, engine since idling,
To 1800rpm~2000rpm sections of revolving speed, engine power is incremented by, and then, starts to successively decrease, by the torque curve of Fig. 4 it is found that hair
Motivation revolving speed engine 2 in 1100rpm~1200rpm or so reaches peak torque, and torque is in 1500rpm~1800rpm
It begins to decline, in conjunction with power curve and torque curve, engine speed selects 2.5~3 times of idling, can more meet crane liquid simultaneously
Press system power and torque demand.For unloaded and part light duty when 2 idling of engine, when 2.5~3 times of idling, it is used for
Severe duty makes full use of the power of engine, reduces loss.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (13)
1. a kind of power drive system, which is characterized in that the power drive system includes supporting board (1), is located at the branch
Torque output device, the first transfer gear (6), the first torque reception device and first jiao of driver (11) on the downside of fagging portion (1)
And it is located at second jiao of driver (10) on the upside of the supporting board (1) and the second torque reception device, the torque output
Device is sequentially connected by the transfer gear in the first torque reception device, and the torque output device passes sequentially through described
Transfer gear, first jiao of driver (11), second jiao of driver (10) transmission connection are received in second torque and are filled
It sets, first jiao of driver (11) is located on the downside of second jiao of driver (10), first jiao of driver (11) and institute
Second jiao of driver (10) is stated to include shell (13), setting in the internal driving member of the shell (13) and be arranged in shell
(13) external circulating pump (15), the circulating pump (15) are connected to form circulating oil path with can be right with the shell (13) inside
Lubricating oil in the shell (13) is recycled.
2. power drive system according to claim 1, which is characterized in that the driving member includes two to be engaged with each other
Bevel gear (14), and two respective central axis of the bevel gear (14) are perpendicular to one another.
3. power drive system according to claim 2, which is characterized in that be provided on the shell (13) coaxial respectively
It is connected to the bevel gear (14) and passes through two support shafts (16) of the shell (13), each support shaft (16) passes through
Two bearings (17) support internal in the shell (13) is set.
4. power drive system according to claim 3, which is characterized in that circulating pump (15) transmission connection is in described
Support shaft (16) by the support shaft (16) to be driven.
5. power drive system according to claim 4, which is characterized in that the height of one of them support shaft (16)
Greater than the height of support shaft described in another (16), the oil inlet of the circulating pump (15) is connected to the shell (13), and
The oil outlet of the circulating pump (15) is connected with petroleum pipeline (19), the petroleum pipeline (19) be connected to the shell (13) adjacent to
The part of one of them support shaft (16), so as to support one of them support shaft (16) two axis
It holds (17) and lubricating oil is provided.
6. power drive system according to claim 1, which is characterized in that first jiao of driver (11) and described
Two jiaos of drivers (10) pass through the drum-shaped tooth type shaft coupling (7) extended along the vertical direction and connect.
7. power drive system according to claim 1, which is characterized in that the power drive system further includes that setting exists
The second transfer gear (8) on the upside of the supporting board (1), second jiao of driver (10) pass through second transfer gear (8)
It is sequentially connected in the second torque reception device.
8. power drive system according to claim 1, which is characterized in that the torque output device, first point described
Dynamic device (6) and first jiao of driver (11) arrange along horizontal linear.
9. power drive system according to claim 1, which is characterized in that the first torque reception device includes driving
Bridge (12), the second torque reception device include hydraulic pump (9).
10. power drive system according to claim 1, which is characterized in that the torque output device includes successively passing
Engine (2), clutch (3) and the speed changer (4) of dynamic connection.
11. power drive system according to claim 1, which is characterized in that the supporting board (1) is vehicle frame.
12. a kind of crane, which is characterized in that the crane includes that power described in any one of claim 1-11 passes
Dynamic system.
13. crane according to claim 12, which is characterized in that the crane is described to start in hoisting operations
Machine (2) is idle with 2.5 times -3 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810890550.3A CN109114207A (en) | 2018-08-07 | 2018-08-07 | Power drive system and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810890550.3A CN109114207A (en) | 2018-08-07 | 2018-08-07 | Power drive system and crane |
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| Publication Number | Publication Date |
|---|---|
| CN109114207A true CN109114207A (en) | 2019-01-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810890550.3A Pending CN109114207A (en) | 2018-08-07 | 2018-08-07 | Power drive system and crane |
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| CN (1) | CN109114207A (en) |
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Application publication date: 20190101 |