CN207772894U - Drive device for a crane and crane - Google Patents
Drive device for a crane and crane Download PDFInfo
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- CN207772894U CN207772894U CN201820150767.6U CN201820150767U CN207772894U CN 207772894 U CN207772894 U CN 207772894U CN 201820150767 U CN201820150767 U CN 201820150767U CN 207772894 U CN207772894 U CN 207772894U
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Abstract
The utility model is related to technical field of mechanical transmission, more particularly to a kind of drive device for a crane and crane.The driving device includes：Engine, the first transmission mechanism, transfer case, the second transmission mechanism with cylinder deactivation function and third transmission mechanism；One end of first transmission mechanism is connect with engine, the input axis connection of the other end and transfer case；One end of second transmission mechanism and transfer case output axis connection, the other end with the executing agency of getting on the bus of crane for connecting；One end of third transmission mechanism and another output axis connection of transfer case, the other end with the executing agency of getting off of crane for connecting.Due to get on the bus operation when required power it is smaller, engine is subjected to part cylinder deactivation using the cylinder deactivation function of engine at this time, reduces the power of acting and the output of engine, reduces oil consumption.Monomotor transmission system is used simultaneously, optimizes space layout of getting on the bus, and mitigates weight.
Description
Technical field
The utility model is related to technical field of mechanical transmission, more particularly to a kind of drive device for a crane and lifting
Machine.
Background technology
Mobilecrane needs driving device in traveling and hoisting operation, and traveling driving, which is located at, gets off, hoisting operation
Driving, which is located at, gets on the bus, at present there are two types of Mobile hoisting machine actuating devices：
1, twin-engined driving devices are currently used primarily on middle hoister in large tonnage, and hoisting operation is by upper car engine
Device drives, and is connected directly with hydraulic oil pump by upper car engine, after engine start, driving device is with hydraulic oil pump one
Play work.It is configured using twin-engined drivings, two sets of independent engine devices, such as radiator, muffler, space is needed to account for
With big, difficult arrangement, heavier-weight, cost is higher.
For twin-engined driving devices, upper car engine is general, and than getting off, the engine emission stage is low, and crane is general
It is to get on the bus that engine operating duration is longer, and environmental pollution is larger, and future emission regulation is to the emission of upper car engine
After claiming, after-treatment device will likely difficult arrangement.
2, monomotor drives hydraulic transmission：It gets on or off the bus a shared driving device, implements traveling and hoisting operation；
Get off when driving, lower car engine is connect with clutch, get on the bus operation when, the power takeoff of transfer case of getting off is opened, and is got off and is started
Machine is connect with clutch, and torque is transmitted by transmission mechanism.The driving device reduces dynamical system of getting on the bus, and optimizes space cloth of getting on the bus
It sets, mitigates weight.
For the monomotor driving device, mainly there is problems with：
Hydraulic transmission mode, which determines to get off, to be needed to arrange hydraulic oil container, main pump, arrangement space of getting off is compressed, due to center
Rotary structure is complicated, and oil pipe arrangement is more, hydraulic fault easily occurs, influences operational reliability, while hydraulic oil is by hydraulic pressure of getting off
Fuel tank via returned to behind long pipe road to execution unit of getting on the bus get off hydraulic oil container or hydraulic oil by get on the bus hydraulic oil container via compared with
Long pipe runs return to hydraulic oil container of getting on the bus to oil pump, again behind long pipe road to execution unit of getting on the bus, and energy loss is big, influence simultaneously
Hang load operating efficiency.
And because getting on or off the bus a shared engine, vehicle is larger to power, torque demand when driving, it is general select compared with
The engine of high-power output, much larger than get on the bus operation when required power requirement, cause to waste.Therefore large-scale lifting at present
Machine generally use is twin-engined driving devices, including large-scale lower car engine and small-sized upper car engine.
In rubber tyre gantry crane design, people for many years have been devoted to optimization distribution of weight and therefore improve holding for crane
Loading capability.Therefore, how by innovating the upper car engine of cancellation, complete vehicle weight is reduced, is always each crane manufacturer research
Project.
To sum up, the dynamic system energy consumption of the single-shot of crane is larger at present.
Utility model content
The purpose of this utility model is to provide a kind of drive device for a crane and cranes, to solve existing skill
The single-shot of crane in art moves the larger technical problem of system energy consumption.
The utility model provides a kind of drive device for a crane, which includes：Tool
There are engine, the first transmission mechanism, transfer case, the second transmission mechanism and the third transmission mechanism of cylinder deactivation function；Described first passes
One end of motivation structure is connected with the engine, the input axis connection of the other end and the transfer case；Second transmission mechanism
One end and the transfer case an output axis connection, the other end with the executing agency of getting on the bus of crane for connecting；It is described
Another output axis connection of one end of third transmission mechanism and the transfer case, the other end is for the execution of getting off with crane
Mechanism connects.
Further, second transmission mechanism includes first jiao of gear-box and second jiao of gear-box；First jiao of tooth
Roller box is located at the lower section of second jiao of gear-box；One output of the input shaft of first jiao of gear-box and the transfer case
Axis connection, the input axis connection of the output shaft of first jiao of gear-box and second jiao of gear-box.
Further, second transmission mechanism includes transmission shaft on transmission shaft and second on first；Described first uploads
One output axis connection of one end of moving axis and the transfer case, the input axis connection of the other end and first jiao of gear-box；
The output axis connection of one end of transmission shaft and first jiao of gear-box on described second, the other end and second jiao of gear-box
Input axis connection；
Transmission shaft is horizontally disposed on described first；Transmission shaft is vertically arranged on described second.
Further, which further includes multiple sequentially connected oil pumps；One positioned at end
A oil pump is connect with second jiao of gear-box.
Further, first transmission mechanism includes clutch；The engine, the clutch and the transfer case
Structure is sequentially connected.
Further, first transmission mechanism includes gearbox；The engine, the clutch, the gearbox
It is sequentially connected with the transfer case.
Further, the third transmission mechanism includes the first lower drive shaft and the second lower drive shaft；
Second lower drive shaft is horizontally disposed；One output of the upper end of first lower drive shaft and the transfer case
Axis connection, lower end are sequentially connected with second lower drive shaft.
Further, the utility model embodiment also provides a kind of crane, which includes：Get off executing agency,
It gets on the bus executing agency and drive device for a crane described in the utility model；
One output axis connection of one end of second transmission mechanism and the transfer case, the other end are held with described get on the bus
Row mechanism connects；Another output axis connection of one end of the third transmission mechanism and the transfer case, the other end with it is described
Get off executing agency connection.
Further, which further includes emergency pump；The emergency pump is connect with the executing agency of getting on the bus.
Further, second transmission mechanism includes first jiao of gear-box and second jiao of gear-box；
First jiao of gear-box is located at the lower section of second jiao of gear-box, and first jiao of gear-box and described
Second jiao of gear-box is located at the underface of the centre of gyration of crane；The input shaft of first jiao of gear-box and the transfer case
One output axis connection, the input axis connection of the output shaft of first jiao of gear-box and second jiao of gear-box.
The utility model provides a kind of drive device for a crane, which includes the hair for having cylinder deactivation function
Motivation, the first transmission mechanism, transfer case, the second transmission mechanism and third transmission mechanism.In lower vehicle travelling state, transfer case
Power taking mouth output function close, power is transferred to from engine, the first transmission mechanism, transfer case and third transmission mechanism successively
It gets off executing agency, driving is got off executing agency's movement, and realization is got off driving functions.When getting on the bus hoisting operation state, point
The power taking mouth output function of dynamic case is opened, and transfer case be in neutral position state, power successively from engine, the first transmission mechanism, divide
Dynamic case and the second transmission mechanism are transferred to executing agency of getting on the bus, and drive executing agency's movement of getting on the bus, realize crane operation
Function.
Drive device for a crane provided by the utility model, due to get on the bus operation when required power it is smaller, at this time
Engine is subjected to part cylinder deactivation using the cylinder deactivation function of engine, the power of acting and the output of engine is reduced, reduces
Oil consumption.Monomotor transmission system is used simultaneously, optimizes space layout of getting on the bus, and mitigates weight.Using machine driving, reliability
Height, transmission efficiency.It realizes monomotor driving, can realize that the when of getting on the bus operation discharges upgrading while reducing complete vehicle weight, and
Low-maintenance cost.
Description of the drawings
The attached drawing for constituting the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type are not constituted improper limits to the present invention for explaining the utility model.
In attached drawing：
Fig. 1 is the structural schematic diagram according to the drive device for a crane of the utility model embodiment.
In figure：
1- engines；2- clutches；3- gearboxes；
4- intermediate propeller shafts；5- transfer cases；Transmission shaft on 6- first；
First jiao of gear-box of 7-；Transmission shaft on 8- second；Second jiao of gear-box of 9-；
Transmission shaft in 10- thirds；11- oil pumps；The first lower drive shafts of 12-；
The second lower drive shafts of 13-.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Fig. 1 is the structural schematic diagram according to the drive device for a crane of the utility model embodiment；Such as Fig. 1 institutes
Show, the utility model embodiment provides a kind of drive device for a crane, which includes：Tool
There are engine 1, the first transmission mechanism, transfer case 5, the second transmission mechanism and the third transmission mechanism of cylinder deactivation function；First transmission
One end of mechanism is connect with engine 1, the input axis connection of the other end and transfer case 5；One end of second transmission mechanism and transfer
One output axis connection of case 5, the other end with the executing agency of getting on the bus of crane for connecting；One end of third transmission mechanism with
Another output axis connection of transfer case 5, the other end with the executing agency of getting off of crane for connecting.
Effective technology one of of the cylinder stopping technique as diesel engine fuel-economizing, just has application early in early 20th century, but due to machinery
The injection of formula fuel oil needs to install extra means additional, and reliability etc. reason is not widely applied.As oil price is soaring, electricity
The development of spray technique does not need extra means, the advantage on fuel economy and cost in EFI control using this technology
It displays.Cylinder stopping technique takes the lead in using on passenger car gasoline engine, and oil-saving effect is up to 20%.For high-power diesel
Machine, unloaded load is low, and oil consumption is high, and it is highly effective that cylinder deactivation fuel-economizing improves fuel economy, can oil-saving effect reach 30%, by right
The reasonable distribution of ignition order, North America diesel locomotive practical application show that cylinder stopping technique can on diesel locomotive electronic injection diesel engine
With reliably working.With fuel-economizing, the requirement of environmental protection, the research and development of internal combustion engine electric jet technology and cylinder stopping technique so that big ton
Position crane realizes that sharing an engine 1 is possibly realized.
The utility model embodiment provides a kind of drive device for a crane, which includes having cylinder deactivation work(
The engine 1 of energy, the first transmission mechanism, transfer case 5, the second transmission mechanism and third transmission mechanism.When in lower vehicle travelling state
When, the power taking mouth output function of transfer case 5 is closed, and power is passed from engine 1, the first transmission mechanism, transfer case 5 and third successively
Motivation structure is transferred to executing agency of getting off, and drives executing agency's movement of getting off, realizes driving functions of getting off.When in recast of having got on the bus
When industry state, the power taking mouth output function of transfer case 5 is opened, and transfer case 5 is in neutral position state, and power is successively from engine 1, the
One transmission mechanism, transfer case 5 and the second transmission mechanism are transferred to executing agency of getting on the bus, and drive executing agency's movement of getting on the bus, realize
Crane operation function.
The drive device for a crane that the utility model embodiment provides, due to get on the bus operation when required power compared with
It is small, engine 1 is subjected to part cylinder deactivation using the cylinder deactivation function of engine 1 at this time, reduces the acting and output of engine 1
Power reduces oil consumption.1 transmission system of monomotor is used simultaneously, optimizes space layout of getting on the bus, and mitigates weight.Using machinery
Transmission, reliability is high, transmission efficiency.It realizes that monomotor 1 drives, can be realized while reducing complete vehicle weight when getting on the bus operation
Discharge upgrading, and low-maintenance cost.
As shown in Figure 1, on the basis of the above embodiments, further, the second transmission mechanism includes first jiao of gear-box 7
With second jiao of gear-box 9；First jiao of gear-box 7 is located at the lower section of second jiao of gear-box 9；The input shaft of first jiao of gear-box 7 with
One output axis connection of transfer case 5, the input axis connection of the output shaft and second jiao of gear-box 9 of first jiao of gear-box 7.
In the present embodiment, the second transmission mechanism includes first jiao of gear-box 7 and second jiao of gear-box 9, second jiao of gear-box 9
Positioned at the top of first jiao of gear-box 7, first jiao of gear-box 7, which changes transmission direction and then change through second jiao of gear-box 9, to be passed
Dynamic direction, to which power to be transferred to the executing agency of getting on the bus of top.
In the present embodiment, the power of engine 1 is transferred to executing agency of getting on the bus, structure letter using two angle gear-boxes
It is single, facilitate arrangement to install, easy care.
As shown in Figure 1, on the basis of the above embodiments, further, the second transmission mechanism includes transmission shaft 6 on first
With second on transmission shaft 8；An output axis connection of one end of transmission shaft 6 and transfer case 5, the other end and first jiao of tooth on first
The input axis connection of roller box 7；The output axis connection of one end of transmission shaft 8 and first jiao of gear-box 7, the other end and second on second
The input axis connection of angle gear-box 9；Transmission shaft 6 is horizontally disposed on first；Transmission shaft 8 is vertically arranged on second.
In the present embodiment, the second transmission mechanism includes transmission shaft 8 on transmission shaft 6 and second on first, and transfer case 5 passes through the
Transmission shaft 6 is connect with first jiao of gear-box 7 on one, and first jiao of gear-box 7 passes through transmission shaft 8 and second jiao of gear-box 9 on second
Connection, power is successively from 6, first jiaos of gear-boxes 7, second of transmission shaft on engine 1, the first transmission mechanism, transfer case 5, first
Upper transmission shaft 8 and second jiao of gear-box 9 are transferred to executing agency of getting on the bus, and drive executing agency's movement of getting on the bus.
In the present embodiment, the first transmission shaft is horizontally disposed with, second driving shaft is vertically arranged, and second jiao of gear-box 9 is located at
The surface of first jiao of gear-box 7, compact-sized, less driving device occupied space improve space availability ratio on crane.
Wherein, in the present embodiment, one end of transmission shaft 6 and an output shaft of transfer case 5 are directly connected on first, another
The input shaft with first jiao of gear-box 7 is held to be directly connected to.That is, directly by first between transfer case and first jiao of gear-box
It is driven axis connection, centre is not required to the components such as setting clutch, simple in structure, alleviates the weight of transmission system, has saved cost.
As shown in Figure 1, on the basis of the above embodiments, further, the drive device for a crane further include it is multiple successively
The oil pump 11 of connection；An oil pump 11 positioned at end is connect with second jiao of gear-box 9.
In the present embodiment, multiple oil pumps 11 are sequentially connected, that is, multiple oil pumps 11 are connected, are located at an oil pump of end
11 connect with second jiao of gear-box 9, and power is successively from transmission shaft 6, on engine 1, the first transmission mechanism, transfer case 5, first
8, second jiaos of gear-boxes 9 of transmission shaft and multiple oil pumps 11 on one jiao of gear-box 7, second, the driving driving of oil pump 11 executing agency fortune
It is dynamic, realize the operation function of getting on the bus of crane.
In the present embodiment, multiple oil pumps 11 are connected, and power directly can be transferred to multiple oil pumps 11 by second jiao of gear-box 9,
Compared with multiple oil pumps 11 in the related technology and scheme even, the present embodiment is not necessarily to pass through transfer case 5 by the power of angle gear-box
Multiple oil pumps 11 are transferred to, number of components is reduced, reduce driving device weight.
As shown in Figure 1, further, second jiao of gear-box 9 is connect by transmission shaft in third 10 with oil pump 11.
As shown in Figure 1, on the basis of the above embodiments, further, the first transmission mechanism includes clutch 2；Start
Machine 1, clutch 2 and transfer case 5 are sequentially connected.
In the present embodiment, power is transferred to the first transmission mechanism from engine 1, clutch 2, and clutch 2 realizes engine 1
The separation and engagement of power between the first transmission mechanism, it is easy to use to realize the separation and engagement of driving device.
As shown in Figure 1, on the basis of the above embodiments, further, the first transmission mechanism includes gearbox 3；Start
Machine 1, clutch 2, gearbox 3 and transfer case 5 are sequentially connected.
In the present embodiment, engine 1, clutch 2, gearbox 3 and transfer case 5 are sequentially connected, and the power of engine 1 passes through
It is adjusted to required power through gearbox 3 again after clutch 2, control is further facilitated and uses.
As shown in Figure 1, further, gearbox 3 is connect by intermediate propeller shaft 4 with transfer case 5.
As shown in Figure 1, on the basis of the above embodiments, further, third transmission mechanism includes the first lower drive shaft
12 and second lower drive shaft 13；Second lower drive shaft 13 is horizontally disposed；The upper end of first lower drive shaft 12 with one of transfer case 5
Axis connection is exported, lower end is sequentially connected with the second lower drive shaft 13.
In the present embodiment, third transmission mechanism includes the first lower drive shaft 12 and the second lower drive shaft 13, in operation of getting off
When, power is transferred to from engine 1, clutch 2, gearbox 3, transfer case 5, the first lower drive shaft 12 and the second lower drive shaft 13
It gets off executing agency, driving is got off executing agency's movement, and realization is got off driving functions.
In the present embodiment, using the first lower drive shaft 12 and the second lower drive shaft 13 by the power transmission of engine 1 under
Vehicle executing agency, it is simple in structure, facilitate arrangement.
Preferably, second driving shaft is horizontally disposed, improves transmission efficiency.
On the basis of the above embodiments, further, the utility model embodiment also provides a kind of crane, the lifting
Machine includes：It gets off executing agency, get on the bus executing agency and drive device for a crane provided by the utility model；Second
One output axis connection of one end of transmission mechanism and transfer case 5, the other end are connect with executing agency of getting on the bus；Third transmission mechanism
One end and transfer case 5 another output axis connection, the other end connect with executing agency of getting off.
The utility model embodiment provides a kind of crane, and the driving device of crane includes having starting for cylinder deactivation function
Machine 1, the first transmission mechanism, transfer case 5, the second transmission mechanism and third transmission mechanism.In lower vehicle travelling state, transfer case
5 power taking mouth output function is closed, and power is passed from engine 1, the first transmission mechanism, transfer case 5 and third transmission mechanism successively
It is handed to executing agency of getting off, executing agency's movement of getting off is driven, realizes driving functions of getting off.When in hoisting operation state of getting on the bus
When, the power taking mouth output function of transfer case 5 is opened, and transfer case 5 is in neutral position state, and power is driven from engine 1, first successively
Mechanism, transfer case 5 and the second transmission mechanism are transferred to executing agency of getting on the bus, and drive executing agency's movement of getting on the bus, realize crane
It gets on the bus operation function.
The crane that the utility model embodiment provides, due to get on the bus operation when required power it is smaller, at this time using starting
Engine 1 is carried out part cylinder deactivation by the cylinder deactivation function of machine 1, reduces the power of acting and the output of engine 1, reduces oil consumption.
1 transmission system of monomotor is used simultaneously, optimizes space layout of getting on the bus, and mitigates weight.Using machine driving, reliability is high,
Transmission efficiency.It realizes that monomotor 1 drives, can realize that the when of getting on the bus operation discharges upgrading while reducing complete vehicle weight, and low
Maintenance cost.
On the basis of the above embodiments, further, which further includes emergency pump；Emergency pump and execution machine of getting on the bus
Structure connects.
In the present embodiment, the setting of emergency pump makes crane tool for emergency function, is lost when driving device goes wrong
When effect, such as the first transmission mechanism or oil pump 11 go wrong, cannot in time to get on the bus be powered when, can start emergent
Pump conveys power to executing agency of getting on the bus using emergency pump, realizes luffing and elevator action.
On the basis of the above embodiments, further, the second transmission mechanism includes first jiao of gear-box 7 and second jiao of tooth
Roller box 9；First jiao of gear-box 7 is located at the lower section of second jiao of gear-box 9, and first jiao of gear-box 7 and second jiao of gear-box 9
In the underface of the centre of gyration of crane；One output axis connection of the input shaft of first jiao of gear-box 7 and transfer case 5, the
The input axis connection of the output shaft and second jiao of gear-box 9 of one jiao of gear-box 7.
In the present embodiment, first jiao of gear-box 7 and second jiao of gear-box 9 are located at the underface at crane rotation center, side
Just it arranges, improves transmission efficiency.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of drive device for a crane, which is characterized in that including：Engine, the first transmission with cylinder deactivation function
Mechanism, transfer case, the second transmission mechanism and third transmission mechanism；
One end of first transmission mechanism is connected with the engine, the input axis connection of the other end and the transfer case；Institute
One end of the second transmission mechanism and an output axis connection of the transfer case are stated, the other end is for the execution of getting on the bus with crane
Mechanism connects；Another output axis connection of one end of the third transmission mechanism and the transfer case, the other end are used for and rise
Executing agency's connection of getting off of heavy-duty machine.
2. drive device for a crane according to claim 1, which is characterized in that second transmission mechanism includes
First jiao of gear-box and second jiao of gear-box；
First jiao of gear-box is located at the lower section of second jiao of gear-box；The input shaft of first jiao of gear-box with it is described
One output axis connection of transfer case, the output shaft of first jiao of gear-box and the input shaft of second jiao of gear-box connect
It connects.
3. drive device for a crane according to claim 2, which is characterized in that second transmission mechanism includes
Transmission shaft on transmission shaft and second on first；
An output axis connection of one end of transmission shaft and the transfer case, the other end and first jiao of gear on described first
The input axis connection of case；The output axis connection of one end of transmission shaft and first jiao of gear-box on described second, the other end with
The input axis connection of second jiao of gear-box；
Transmission shaft is horizontally disposed on described first；Transmission shaft is vertically arranged on described second.
4. drive device for a crane according to claim 2, which is characterized in that further include multiple sequentially connected
Oil pump；
An oil pump positioned at end is connect with second jiao of gear-box.
5. drive device for a crane according to claim 1, which is characterized in that first transmission mechanism includes
Clutch；
The engine, the clutch and the transfer case structure are sequentially connected.
6. drive device for a crane according to claim 5, which is characterized in that first transmission mechanism includes
Gearbox；
The engine, the clutch, the gearbox and the transfer case are sequentially connected.
7. drive device for a crane according to claim 1, which is characterized in that the third transmission mechanism includes
First lower drive shaft and the second lower drive shaft；
Second lower drive shaft is horizontally disposed；The upper end of first lower drive shaft connects with an output shaft of the transfer case
It connects, lower end is sequentially connected with second lower drive shaft.
8. a kind of crane, which is characterized in that including：It gets off executing agency, the executing agency and such as claim 1-7 of getting on the bus
Any one of them drive device for a crane；
One output axis connection of one end of second transmission mechanism and the transfer case, the other end and the execution machine of getting on the bus
Structure connects；Another output axis connection of one end of the third transmission mechanism and the transfer case, the other end are got off with described
Executing agency connects.
9. crane according to claim 8, which is characterized in that further include emergency pump；
The emergency pump is connect with the executing agency of getting on the bus.
10. crane according to claim 8, which is characterized in that second transmission mechanism includes first jiao of gear-box
With second jiao of gear-box；
First jiao of gear-box is located at the lower section of second jiao of gear-box, and first jiao of gear-box and described second
Angle gear-box is located at the underface of the centre of gyration of crane；The input shaft of first jiao of gear-box and the one of the transfer case
A output axis connection, the input axis connection of the output shaft of first jiao of gear-box and second jiao of gear-box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820150767.6U CN207772894U (en) | 2018-01-29 | 2018-01-29 | Drive device for a crane and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820150767.6U CN207772894U (en) | 2018-01-29 | 2018-01-29 | Drive device for a crane and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207772894U true CN207772894U (en) | 2018-08-28 |
Family
ID=63210913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820150767.6U Active CN207772894U (en) | 2018-01-29 | 2018-01-29 | Drive device for a crane and crane |
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| Country | Link |
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| CN (1) | CN207772894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099598A (en) * | 2018-01-29 | 2018-06-01 | 三汽车起重机械有限公司 | Drive device for a crane and crane |
-
2018
- 2018-01-29 CN CN201820150767.6U patent/CN207772894U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099598A (en) * | 2018-01-29 | 2018-06-01 | 三汽车起重机械有限公司 | Drive device for a crane and crane |
| WO2019144871A1 (en) * | 2018-01-29 | 2019-08-01 | 三一汽车起重机械有限公司 | Drive apparatus for crane, and crane |
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