CN202088884U - Crane power device and crane - Google Patents
Crane power device and crane Download PDFInfo
- Publication number
- CN202088884U CN202088884U CN2011202092372U CN201120209237U CN202088884U CN 202088884 U CN202088884 U CN 202088884U CN 2011202092372 U CN2011202092372 U CN 2011202092372U CN 201120209237 U CN201120209237 U CN 201120209237U CN 202088884 U CN202088884 U CN 202088884U
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- gear box
- oil pump
- hoisting crane
- power
- auxiliary gear
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Abstract
The utility model discloses a crane power device, which comprises an engine (10) and a hydraulic oil pump driven by the engine. The crane power device is characterized by further comprising a transfer case (20) which is provided with a plurality of power input ends and a plurality of power output ends. A front force-taking end of the engine (10) is in transmission connection with the power input ends of the transfer case (20), and the hydraulic oil pump is in transmission connection with the power output ends of the transfer case (20) in parallel or series or parallel-series connection mode. The crane power device can be provided with more oil pumps, and power transmission between the oil pumps and the engine can be disconnected or jointed according to requirements. Further the utility model discloses a crane which is provided with the crane power device.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to the engine installation of hoisting crane.The utility model also relates to the hoisting crane that is provided with described engine installation.
Background technology
Along with the fast development of China's economic construction, market for hoisting crane particularly the demand of movable crane increase day by day.
Movable crane is a kind of hoisting crane with automatic walking function, utilize the arm weight of slinging during work, rely on turntable revolution with the weight task of finishing the work from a position transfer to another one position then, its chassis is except that being equipped with wheel, generally also be provided with telescopic leg, so that under the condition that does not increase crane width, improve its lifting performance.
As seen, the driving engine of movable crane also will be used for driving hydraulic efficiency pressure system except driving is travelled, so that provide power for equipments such as steering boost system, supporting leg, turntables.
At present, the power taking mode of hoisting crane engine installation is mainly the direct power taking of driving engine, and front of the engine is all by transmission shaft and oil pump direct connection.
Please refer to Fig. 1, Fig. 1 is the structural representation of a kind of representative type hoisting crane engine installation in the prior art.
As shown in the figure, Granted publication number discloses a kind of car hosit power-driven system for the utility model patent specification sheets of CN200967715Y.
This power-driven system comprises driving engine 6, power takeoff 7 and oil pump group 8, be connected with the rotating speed control mechanism between the Das Gaspedal of getting on the bus and the driving engine 6, be connected with power takeoff 7 between driving engine 6 and the oil pump group 8, oil pump group 8 oil outlets and get on the bus and be connected with the load sensing hydraulic manifold block between the oil pipe, be connected with the variable capacity oil pump group of motors between the pressure hydraulic fluid port of load sensing hydraulic manifold block and the hydraulic servo proportional valve control hydraulic fluid port, hydraulic servo apportioning valve static pressure hydraulic fluid port is connected with the rotating speed control mechanism, and hydraulic servo apportioning valve oil inlet is connected with quantitative control Oil pump electrical machinery.
Driving engine 6 is in transmission connection with power takeoff 7, drives 8 work of oil pump groups via power takeoff 7, because power takeoff 7 has only a clutch end, so each oil pump of oil pump group 8 can only connect successively in series connected mode, and the mode of this alignment placement has the following disadvantages:
At first, under the limited condition of hoisting crane arrangement space, the number of connection of oil pump can be subjected to strict restriction, generally allows the series connected oil pump quantity can be above five, can't satisfy the oil pump demand of hoisting crane car load hydraulic efficiency pressure system, and then have a strong impact on every performance of hoisting crane.
Secondly, the oil pump in the oil pump group can only turn round or stop simultaneously simultaneously, can not disconnect as required or combination, causes driving engine to bear bigger load all the time, and not only waste of power is bigger, but also can reduce the service life of driving engine, change speed gear box and oil pump.
Therefore, how improving the power taking mode of hoisting crane engine installation, increasing oil pump quantity, and oil pump can be disconnected or combine as required with power transmission between the driving engine, is the present technical issues that need to address of those skilled in the art.
The utility model content
First purpose of the present utility model provides a kind of hoisting crane engine installation.This engine installation can be installed more oil pump, and oil pump can disconnect or combine as required with power transmission between the driving engine.
Second purpose of the present utility model provides a kind of hoisting crane with above-mentioned engine installation.
In order to realize above-mentioned first purpose, the utility model provides a kind of hoisting crane engine installation, comprise driving engine and by described engine-driven hydraulic oil pump, also comprise auxiliary gear box with a plurality of power intakes and a plurality of clutch ends, the preceding power taking end of described driving engine and the power intake of described auxiliary gear box are in transmission connection, and described hydraulic oil pump is in transmission connection with clutch end in parallel, that serial or parallel connection adds series connected mode and described auxiliary gear box.
Preferably, the power intake of the preceding power taking end of described driving engine and described auxiliary gear box is in transmission connection by transmission shaft or coupler.
Preferably, further comprise change speed gear box, the preceding power taking end of described driving engine and the power intake of described change speed gear box are in transmission connection, and the clutch end of described change speed gear box and the power intake of described auxiliary gear box are in transmission connection.
Preferably, the power intake of the clutch end of described change speed gear box and described auxiliary gear box is in transmission connection by transmission shaft or coupler.
Preferably, described hydraulic oil pump comprises supporting leg oil pump and power steerig pump, and first clutch end of described supporting leg oil pump and described auxiliary gear box is in transmission connection, and second clutch end of described power steerig pump and described auxiliary gear box is in transmission connection.
Preferably, described supporting leg oil pump comprises at least two series connected seed oil pumps.
Preferably, described auxiliary gear box is reserved with the clutch end that oil pump is not installed.
In order to realize above-mentioned second purpose, the utility model also provides a kind of hoisting crane, comprises crane main body and engine installation, and described engine installation is specially above-mentioned each described hoisting crane engine installation.
Preferably, be specially self-propelled crane.
Hoisting crane engine installation provided by the utility model, comprise driving engine and a plurality of by described engine-driven hydraulic oil pump, also comprise auxiliary gear box with a plurality of clutch ends, the preceding power taking end of described driving engine and the power intake of described auxiliary gear box are in transmission connection, and the clutch end of described oil pump and described auxiliary gear box is in transmission connection.
This engine installation utilizes auxiliary gear box to have the characteristics of a plurality of clutch ends, each hydraulic oil pump is installed on the clutch end of auxiliary gear box, when hoisting crane is worked, the power of driving engine is passed to auxiliary gear box, passes to each hydraulic oil pump after switching through auxiliary gear box again, can realize the serial or parallel connection of hydraulic oil pump, under the limited condition of structure space, can arrange more oil pump, thereby satisfy of the requirement of hoisting crane car load hydraulic efficiency pressure system, improve the hydraulic performance of hoisting crane oil pump quantity; Simultaneously, by the operation auxiliary gear box, can be as required the power interruption of hydraulic oil pump be controlled with combining, making needs the hydraulic oil pump of work to be in operative condition, and other hydraulic oil pump is in halted state, avoids appearance " zero load " phenomenon.Like this, the load of driving engine is in reasonable level all the time, helps to cut down the consumption of energy, and prolongs the service life of driving engine, change speed gear box and hydraulic oil pump.
Hoisting crane provided by the utility model is provided with above-mentioned hoisting crane engine installation, because above-mentioned hoisting crane engine installation has above-mentioned technique effect, the hoisting crane with this hoisting crane engine installation also should possess the corresponding techniques effect.
Description of drawings
Fig. 1 is the structural representation of a kind of representative type hoisting crane engine installation in the prior art;
Fig. 2 is the constructional drawing of a kind of specific embodiment of hoisting crane engine installation provided by the present invention.
Among Fig. 1:
6. driving engine 7. power takeoffs 8. oil pump groups
Among Fig. 2:
10. driving engine 20. auxiliary gear boxs 30. transmission shaft 40-1. supporting leg oil pump 40-2. power steerig pumps
The specific embodiment
Core of the present utility model is to increase hydraulic oil pump quantity by the power taking mode of improving the hoisting crane engine installation, and hydraulic oil pump can be disconnected or combine as required with power transmission between the driving engine.
Another core of the present utility model provides a kind of hoisting crane that is provided with above-mentioned hoisting crane engine installation.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Movable crane generally is made up of chassis and hoisting operation two large divisions, it travels and the shared same driving engine of operation, hoisting operation partly is the core place of car load, mainly being made up of equipments such as lifting mechanism, luffing mechanism, telescoping mechanism, swing type mechanism and supporting legs, all is hydraulic-driven.
The power of driving engine reaches the tire powered vehicle through jackshaft and drive axle when travelling, and simultaneously, the power of driving engine is through the power steerig pump of power takeoff driving steering boost system, for chaufeur control travel direction provides power steering; During hoisting operation, the power of driving engine drives hydraulic oil pump through power takeoff, for each equipment provides power.
Because the utility model only makes improvements at the power taking mode of hoisting crane engine installation hydraulic part, other parts such as the driving of travelling have therefore been omitted.
Please refer to Fig. 2, Fig. 2 is the constructional drawing of a kind of specific embodiment of hoisting crane engine installation provided by the present invention.
In a kind of specific embodiment, the hoisting crane engine installation that the utility model provides mainly comprises driving engine 10, auxiliary gear box 20 and a plurality of by engine-driven hydraulic oil pump.
Auxiliary gear box 20 has three clutch ends, and the preceding power taking end of driving engine 10 and the power intake of auxiliary gear box 20 are in transmission connection by transmission shaft 30 (or coupler).
Hydraulic oil pump comprises supporting leg oil pump 40-1 and power steerig pump 40-2, and the quantity of supporting leg oil pump 40-1 is two, is made of two mutual series connected seed oil pumps, is in transmission connection with first clutch end of auxiliary gear box 20; The quantity of power steerig pump 40-2 is one, is in transmission connection with second clutch end of auxiliary gear box 20; The 3rd clutch end of auxiliary gear box 20 is for reserving port, so that connect the hydraulic oil pump of miscellaneous equipment when needed.
Supporting leg oil pump 40-1 is power taking as required, can realize disconnecting or combination by the operation to auxiliary gear box 20.When crane job, supporting leg oil pump 40-1 combines with auxiliary gear box 20 transmissions, and the cross cylinder that drives each supporting leg stretches out action with vertical oil cylinder execution, make supporting leg be in deployed condition, after operation finished, the cross cylinder that drives each supporting leg was again carried out the withdrawal action with vertical oil cylinder, and supporting leg is packed up.When supporting leg did not carry out any action, supporting leg oil pump 40-1 and auxiliary gear box 20 were in off-state.
Power steerig pump 40-2 is driven by driving engine 10, and its oil inlet is connected with the fuel tank of steering boost system by hydraulic tubing, and oil outlet is connected with the oil inlet of deflector by hydraulic tubing.
When the hoisting crane cruising, power steerig pump 40-2 is full-time power taking, and the pressure oil of its oil outlet output enters deflector, for deflector provides power-assisted, the augment direction dish passes to the power of steering gear and changes the direction of transfer of power, alleviates driver's labour intensity, reduces the revolution of bearing circle.
Certainly, except supporting leg oil pump 40-1 and power steerig pump 40-2, the hydraulic oil pump that is connected in auxiliary gear box 20 can also be the hydraulic oil pump of the hoisting of hoisting crane, revolution, luffing, equipment such as flexible, can carry out flexible design according to the needs of car load layout.
This paper does not do qualification to the concrete quantity of hydraulic oil pump, needs according to the hoisting crane performance, same set of hydraulic efficiency pressure system may need a plurality of seed oil pumps to drive together sometimes, and in this case, a plurality of seed oil pumps can be connected in series in the same clutch end of auxiliary gear box 20.
In the another kind of specific embodiment, driving engine 10 is provided with the change speed gear box (not shown), the preceding power taking end of driving engine 10 and the power intake of change speed gear box are in transmission connection, the power intake of the clutch end of change speed gear box and auxiliary gear box 20 is in transmission connection by transmission shaft 30 (or coupler), and all the other structures and first kind of specific embodiment are basic identical.
The engine installation that the utility model provides utilizes auxiliary gear box to have the characteristics of a plurality of clutch ends, each oil pump is installed on the clutch end of auxiliary gear box, when hoisting crane is worked, the power of driving engine 10 is passed to auxiliary gear box 20, passes to each oil pump after switching through auxiliary gear box 20 again, can realize the serial or parallel connection of oil pump, under the limited condition of structure space, can arrange more oil pump, thereby satisfy the oil pump demand of hoisting crane car load hydraulic efficiency pressure system, improve the hydraulic performance of hoisting crane.
In addition, by operation auxiliary gear box 20, can be as required the power interruption of oil pump be controlled with combining, making needs the oil pump of work to be in operative condition, and other oil pump is in halted state, does not have " zero load " phenomenon.Like this, the load of driving engine is in reasonable level all the time, helps to cut down the consumption of energy, and prolongs the service life of driving engine, change speed gear box and oil pump.
Above-mentioned hoisting crane engine installation only is a kind of preferred version, and its concrete structure is not limited thereto, and can make pointed adjustment according to actual needs on this basis, thereby obtains different embodiments.For example hydraulic oil pump is in transmission connection or the like with clutch end in parallel, that serial or parallel connection adds series connected mode and auxiliary gear box.Because mode in the cards is more, be to save length, this paper is casehistory no longer one by one just.
Except above-mentioned hoisting crane engine installation, the utility model also provides a kind of hoisting crane, comprises crane main body and engine installation, and described engine installation is specially hoisting crane engine installation mentioned above.
Particularly, described hoisting crane is a self-propelled crane.
More than hoisting crane engine installation provided by the utility model and hoisting crane are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand core concept of the present utility model.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (9)
1. hoisting crane engine installation, comprise driving engine (10) and by described engine-driven hydraulic oil pump, it is characterized in that, also comprise auxiliary gear box (20) with a plurality of power intakes and a plurality of clutch ends, the preceding power taking end of described driving engine (10) and the power intake of described auxiliary gear box (20) are in transmission connection, and described hydraulic oil pump is in transmission connection with clutch end in parallel, that serial or parallel connection adds series connected mode and described auxiliary gear box (20).
2. hoisting crane engine installation according to claim 1 is characterized in that, the preceding power taking end of described driving engine (10) and the power intake of described auxiliary gear box (20) are in transmission connection by transmission shaft (30) or coupler.
3. hoisting crane engine installation according to claim 1, it is characterized in that, further comprise change speed gear box, the preceding power taking end of described driving engine (10) and the power intake of described change speed gear box are in transmission connection, and the power intake of the clutch end of described change speed gear box and described auxiliary gear box (20) is in transmission connection.
4. hoisting crane engine installation according to claim 3 is characterized in that, the power intake of the clutch end of described change speed gear box and described auxiliary gear box (20) is in transmission connection by transmission shaft (30) or coupler.
5. hoisting crane engine installation according to claim 4, it is characterized in that, described hydraulic oil pump comprises supporting leg oil pump (40-1) and power steerig pump (40-2), described supporting leg oil pump (40-1) is in transmission connection with first clutch end of described auxiliary gear box (20), and described power steerig pump (40-2) is in transmission connection with second clutch end of described auxiliary gear box (20).
6. hoisting crane engine installation according to claim 5 is characterized in that, described supporting leg oil pump (40-1) comprises at least two series connected seed oil pumps.
7. according to each described hoisting crane engine installation of claim 1 to 6, it is characterized in that described auxiliary gear box (20) is reserved with the clutch end that hydraulic oil pump is not installed.
8. a hoisting crane comprises crane main body and engine installation, it is characterized in that, described engine installation is specially aforesaid right requirement 1 to 7 each described hoisting crane engine installation.
9. hoisting crane according to claim 8 is characterized in that, is specially self-propelled crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202092372U CN202088884U (en) | 2011-06-20 | 2011-06-20 | Crane power device and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202092372U CN202088884U (en) | 2011-06-20 | 2011-06-20 | Crane power device and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202088884U true CN202088884U (en) | 2011-12-28 |
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ID=45363971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202092372U Expired - Fee Related CN202088884U (en) | 2011-06-20 | 2011-06-20 | Crane power device and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202088884U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496322A (en) * | 2013-10-21 | 2014-01-08 | 徐州重型机械有限公司 | Crane and engine power system thereof |
| CN103921675A (en) * | 2014-04-22 | 2014-07-16 | 徐州重型机械有限公司 | Single-engine power driving device and method and crane |
| CN103921675B (en) * | 2014-04-22 | 2016-11-30 | 徐州重型机械有限公司 | A kind of monomotor Power Drive Unit, method and crane |
| CN107416697A (en) * | 2017-04-25 | 2017-12-01 | 南通润邦重机有限公司 | A kind of harbour rubber-tyred mobile multifunctional crane of full hydraulic drive |
| CN107445061A (en) * | 2016-06-01 | 2017-12-08 | 马尼托沃克起重机集团（法国）公司 | Crane Superstructure Drive Device |
| CN108032730A (en) * | 2017-12-07 | 2018-05-15 | 三汽车起重机械有限公司 | Transmission system and autocrane for autocrane |
| CN110203068A (en) * | 2019-06-21 | 2019-09-06 | 中国民用航空飞行学院 | A kind of pure electric vehicle airport Special fire-fighting vehicle dynamical system and vehicle |
| CN113147360A (en) * | 2021-05-14 | 2021-07-23 | 三一汽车起重机械有限公司 | Crane parallel hybrid power system, control method, virtual device and crane |
-
2011
- 2011-06-20 CN CN2011202092372U patent/CN202088884U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496322A (en) * | 2013-10-21 | 2014-01-08 | 徐州重型机械有限公司 | Crane and engine power system thereof |
| CN103921675A (en) * | 2014-04-22 | 2014-07-16 | 徐州重型机械有限公司 | Single-engine power driving device and method and crane |
| CN103921675B (en) * | 2014-04-22 | 2016-11-30 | 徐州重型机械有限公司 | A kind of monomotor Power Drive Unit, method and crane |
| CN107445061A (en) * | 2016-06-01 | 2017-12-08 | 马尼托沃克起重机集团（法国）公司 | Crane Superstructure Drive Device |
| US10106379B2 (en) | 2016-06-01 | 2018-10-23 | Manitowoc Crane Group France Sas | Crane superstructure drive device |
| CN107445061B (en) * | 2016-06-01 | 2020-04-03 | 马尼托沃克起重机集团（法国）公司 | Crane superstructure driving device |
| CN107416697A (en) * | 2017-04-25 | 2017-12-01 | 南通润邦重机有限公司 | A kind of harbour rubber-tyred mobile multifunctional crane of full hydraulic drive |
| CN108032730A (en) * | 2017-12-07 | 2018-05-15 | 三汽车起重机械有限公司 | Transmission system and autocrane for autocrane |
| CN110203068A (en) * | 2019-06-21 | 2019-09-06 | 中国民用航空飞行学院 | A kind of pure electric vehicle airport Special fire-fighting vehicle dynamical system and vehicle |
| CN113147360A (en) * | 2021-05-14 | 2021-07-23 | 三一汽车起重机械有限公司 | Crane parallel hybrid power system, control method, virtual device and crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20150620 |
|
| EXPY | Termination of patent right or utility model |