CN202728143U - Autocrane and driving system thereof - Google Patents
Autocrane and driving system thereof Download PDFInfo
- Publication number
- CN202728143U CN202728143U CN 201220452131 CN201220452131U CN202728143U CN 202728143 U CN202728143 U CN 202728143U CN 201220452131 CN201220452131 CN 201220452131 CN 201220452131 U CN201220452131 U CN 201220452131U CN 202728143 U CN202728143 U CN 202728143U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- driven module
- car hosit
- controller
- drive system
- 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.)
- Withdrawn - After Issue
Links
Images
Abstract
The utility model discloses a driving system of an autocrane. The driving system comprises a mechanical drive module, a hydraulic drive module and a controller connected with the mechanical drive module and the hydraulic drive module. A part of a signal output end of the controller is connected with the mechanical drive module, the other part of the signal output end of the controller is connected with the hydraulic drive module, and a signal receiving end of the hydraulic drive module is connected or disconnected with the signal output end of the controller according to working conditions. The mechanical drive module and the hydraulic drive module are respectively provided with independent power units and can jointly drive the autocrane, the problem of insufficient drive force of the large autocrane is solved, and the applicability of the autocrane is improved. The utility model further provides the autocrane including the driving system.
Description
Technical field
The utility model relates to the car hosit technical field, particularly relates to a kind of drive system for car hosit.In addition, the utility model also relates to a kind of car hosit that comprises above-mentioned drive system.
Background technology
Car hosit has the dual characteristics of automobile and hoisting crane, will satisfy the laws and regulations requirement of on-road vehicle at road driving, possesses again on construction ground the operating feature of engineering truck.Existing car hosit is all taked single power system drive mode, along with hoisting crane to large scale development, overall mass will reach more than 100 tons, fully loaded transfer mass is more than 200 tons, vehicles dynamic performance is proposed requirements at the higher level, and at present in the industry on-road vehicle with maximum power also below 500KW, only can satisfy overall mass vehicles dynamic performance requirement below 100 tons, if match non-highway driving engine, can match more high-powered engine, but do not meet the requirement of on-road vehicle rules, can not set out on a journey and travel.
Therefore the full-sized car hoisting crane is subject to the dual restriction on statutory standard and supporting basis, usually needs unloading to shift or by auxiliary trailer traction.When the heavy duty of full-sized car hoisting crane was shifted, the problem of its hill climbing ability wretched insufficiency was puzzlement industry engineering staff and workmen's a great problem always.
Existing car hosit is even to be single power system drive mode, and two kinds of drive forms are generally arranged:
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structure connection diagram of car hosit typical machine type of drive in the prior art; Fig. 2 is the structure connection diagram of car hosit typical hydraulic type of drive in the prior art.
Mechanical drive mode shown in Figure 1, comprise driving engine 11, change speed gear box 12, auxiliary gear box 13, transmission shaft 14, vehicle bridge 15 etc., the power of driving engine 11 outputs is undertaken being delivered to auxiliary gear box 13 after the speed control by change speed gear box 12, auxiliary gear box 13 distributes power by after adjusting, be input to forward, backward respectively axle shaft, thereby make vehicle movement.
Hydraulic driving mode shown in Figure 2 comprises driving engine 21, pump 22, motor 23, drive axle 24 etc.Driving engine 21 drives Hydraulic Pumps 22 work, and mechanical energy is converted into hydraulic energy, shows with pressure and the flow of liquid, drives HM Hydraulic Motor 23 rotations, hydraulic energy is converted into mechanical energy again, thereby axle shaft rotates.
These two kinds of vehicular drive modes have suitability and limitations separately, such as the Mechanical Driven mode, owing to be mechanical transfer, its space arrangement requirement links up, arrangement space is had higher requirements, be difficult for to realize the driving that five axles are above, and two above machine driven systems walk abreast can't realize double dynamical drivings the time, power-handling capability is restricted, can not satisfy the needs that the super-tonnage vehicle shifts in the building site; And hydraulic driving mode, because power transmission process needs the multiple conversions of form of energy, so energy consumption is large, efficient is low, generally only is used in low speed, high pulling torque transmission, is difficult to satisfy the needs of car hosit maximization, high-speed mobile.
Therefore, seeking a kind of drive system that is applicable to the full-sized car hoisting crane, make it to satisfy the dual needs of automobile crane machine operation and transition, is the present technical issues that need to address of those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of drive system for car hosit, and this drive system can satisfy car hosit and shift dual needs by rules road running and heavily loaded place, adapts to the large scale development trend of car hosit.Another purpose of the present utility model provides a kind of car hosit that comprises above-mentioned drive system.
For realizing above-mentioned utility model purpose, the utility model provides a kind of drive system of car hosit, comprise Mechanical Driven module and hydraulic-driven module, and the controller of controlling described Mechanical Driven module and described hydraulic-driven module, the signal output part part of this controller connects described Mechanical Driven module, another part connects described hydraulic-driven module, and the signal receiving end of this hydraulic-driven module selects to be communicated with or not to be communicated with the signal output part of described controller according to operating mode.
Preferably, described Mechanical Driven module comprises the first propulsion source, change speed gear box and auxiliary gear box, and described auxiliary gear box connects first group of axle drive shaft of described car hosit; The first signal mouth of described controller connects the signal receiving end of described change speed gear box.
Preferably, described hydraulic-driven module comprises the second propulsion source for hoisting operation, Hydraulic Pump and by the HM Hydraulic Motor of described hydraulic pump drive, the output shaft of this HM Hydraulic Motor connects second group of axle drive shaft of described car hosit; The secondary signal mouth of described controller connects described the second propulsion source, and the 3rd signal output part connects described Hydraulic Pump; The signal output part that described secondary signal mouth is controlled described controller is communicated with or is not communicated with the signal input part of described hydraulic-driven module.
Preferably, described hydraulic-driven module also comprises switchover apparatus, and this switchover apparatus one end connects described Hydraulic Pump, and the other end connects described HM Hydraulic Motor.
Preferably, described hydraulic-driven module also comprises the power-transfer clutch of being located between HM Hydraulic Motor and described the second axle drive shaft, and the 4th signal output part of described controller connects described power-transfer clutch.
The utility model also provides a kind of car hosit, comprises such as above-mentioned each described drive system, and the Mechanical Driven module of this drive system is connected with the hydraulic-driven module with two groups of axle drive shafts of described car hosit and is connected.
Drive system provided by the utility model, be used for driving tonnage automobile crane, this drive system is included the propulsion source of hoisting operation in the chassis travel driving system, not only comprise Mechanical Driven module and hydraulic-driven module, the controller that also comprises the described Mechanical Driven module of control and described hydraulic-driven module, the signal output part part of this controller connects described Mechanical Driven module, another part connects described hydraulic-driven module, and the signal receiving end of this hydraulic-driven module selects to be communicated with or not to be communicated with the signal output part of described controller according to operating mode.The Mechanical Driven module can all be communicated with controller simultaneously with the hydraulic-driven module, drives simultaneously car hosit, also can the hydraulic-driven module not be communicated with controller, makes the Mechanical Driven module drive separately car hosit.Because the Mechanical Driven module has the drive efficiency height, can use the Mechanical Driven module that car hosit is driven in the normal driving process of car hosit; Occur climbing wait need to the operating mode than large driving force under, operating personal can start the hydraulic pressure driver module, send instruction control gearbox-gear by controller, thereby restricted speed is at setting range, with Time Controller instruction is dealt into control unit of engine, hydraulic pump control unit in the hydraulic-driven module, make engine speed be limited to set model, hydraulic pump discharge is limited in set model; And the control electromagnetic valve is connected HM Hydraulic Motor power and axle drive shaft arrangement of clutch, hydraulic-driven is started working, realize that Mechanical Driven module and hydraulic-driven module drive car hosit jointly, in the situation that power cost does not increase substantially, solve full-sized car hoisting crane power matching hard problem.And, the drive efficiency of Mechanical Driven module is high, and the hydraulic-driven module arrangement is flexible, propulsive effort is large, and the utility model uses Mechanical Driven module and hydraulic-driven module jointly, and the characteristics of two kinds of type of drive are carried out comprehensively, in the power system of chassis, introduce simultaneously the driving engine of hoisting operation, substantially improve the chassis tractive performance in the not increase situation at cost, realize that the multiaxis of full-sized car hoisting crane drives, solve the full-sized car hoisting crane and drive hypodynamic problem.Simultaneously, because Mechanical Driven module and hydraulic-driven module both can be worked simultaneously, can be suitable for the characteristics of car hosit road driving, heavily loaded place transfer dual-use function according to different operating mode selection work again, improve the applicability of car hosit.
A kind of preferred embodiment in, described Mechanical Driven module comprises the first propulsion source, change speed gear box and auxiliary gear box, described auxiliary gear box connects first group of axle drive shaft of described car hosit; The first signal mouth of described controller connects the signal receiving end of described change speed gear box.Similar to mechanical drive system in the car hosit in the prior art, in the drive system provided by the utility model, the Mechanical Driven module drives change speed gear box by the first propulsion source, and then drives auxiliary gear box, first group of axle drive shaft of auxiliary gear box driving automobile hoisting crane.Controller output control signal is limited in predetermined work gear with change speed gear box, and the rotating speed of first group of axle drive shaft is limited in the predetermined speed range.Above-mentioned Mechanical Driven module and mechanical drive system structure of the prior art are basic identical, can be on the basis of existing machinery drive system directly improve, and it is embodied as low, is easy to realize.
In another preferred embodiment, described hydraulic-driven module comprises the second propulsion source for hoisting operation, Hydraulic Pump and by the HM Hydraulic Motor of described hydraulic pump drive, the output shaft of this HM Hydraulic Motor connects second group of axle drive shaft of described car hosit; The secondary signal mouth of described controller connects described the second propulsion source, and the 3rd signal output part connects described Hydraulic Pump; The signal output part that described secondary signal mouth is controlled described controller is communicated with or is not communicated with the signal input part of described hydraulic-driven module.Controller output control signal is limited in the hydraulic pressure capacity of pump in the predetermined scope, and the rotating speed of second group of axle drive shaft is limited in the predetermined speed range, is complementary with the speed of the first axle drive shaft.In the drive system provided by the utility model, the hydraulic-driven module drives Hydraulic Pump, hydraulic pump drive HM Hydraulic Motor, second group of axle drive shaft of HM Hydraulic Motor driving automobile hoisting crane by the second propulsion source.Above-mentioned hydraulic-driven module and fluid power system structure of the prior art are basic identical, can on the basis of existing fluid power system, directly improve, it is embodied as low, is easy to realize, is conducive to reduce the realization cost of drive system provided by the utility model.
Providing on the basis of above-mentioned drive system, the utility model also provides a kind of car hosit that comprises above-mentioned drive system; Because drive system has above-mentioned technique effect, the car hosit with this drive system also has corresponding technique effect.
Description of drawings
Fig. 1 is the structure connection diagram of car hosit typical machine type of drive in the prior art;
Fig. 2 is the structure connection diagram of car hosit typical hydraulic type of drive in the prior art;
Fig. 3 provides the structure connection diagram of a kind of specific embodiment of drive system for the utility model;
Fig. 4 provides the control principle drawing of a kind of specific embodiment of drive system for the utility model.
The specific embodiment
Core of the present utility model provides a kind of drive system for car hosit, and this drive system can satisfy automobile crane machine operation and the dual needs of transition, adapts to the large scale development trend of car hosit.Another core of the present utility model provides a kind of car hosit that comprises above-mentioned drive system.
In order to make those skilled in the art person understand better the utility model scheme, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 3, Fig. 3 provides the structure connection diagram of a kind of specific embodiment of drive system for the utility model.
Drive system provided by the utility model, be used for driving tonnage automobile crane, this drive system not only comprises Mechanical Driven module 3 and hydraulic-driven module 5, the controller 4 that also comprises the mechanical driver module 3 of control and hydraulic-driven module 5, the signal output part part of this controller 4 connects mechanical driver module 3, another part connects hydraulic pressure driver module 5, and the signal receiving end of this hydraulic-driven module 5 selects to be communicated with or not to be communicated with the signal output part of controller 4 according to operating mode.Mechanical Driven module 3 can all be communicated with controller 4 simultaneously with hydraulic-driven module 5, drives simultaneously car hosit, also can hydraulic-driven module 5 not be communicated with controller 4, makes Mechanical Driven module 3 drive separately car hosit.
Because Mechanical Driven module 3 has the drive efficiency height, can use 3 pairs of car hosits of Mechanical Driven module to drive in the normal driving process of car hosit, the signal output part of controller 4 is not communicated with hydraulic-driven module 5; When occur climbing wait need to the operating mode than large driving force under, operating personal can make the signal output part of controller 4 be communicated with hydraulic-driven module 5, to start hydraulic pressure driver module 5, send instruction control gearbox-gear by controller 4, thereby restricted speed is at setting range, with Time Controller 4 instruction is dealt into driving engine in the hydraulic-driven module 5, Hydraulic Pump, make engine speed be limited to set model, hydraulic pump discharge is limited in set model hydraulic-driven module 5 and starts working, realize Mechanical Driven module 3 and the hydraulic-driven module 5 common car hosits that drive, in the situation that power cost does not increase substantially, solve full-sized car hoisting crane power matching hard problem.
And, the drive efficiency of Mechanical Driven module 3 is high, and hydraulic-driven module 5 flexible arrangement, propulsive effort is large, the utility model uses Mechanical Driven module 3 and hydraulic-driven module 5 jointly, the characteristics of two kinds of type of drive are carried out comprehensively, realize that the multiaxis of full-sized car hoisting crane drives, solve the full-sized car hoisting crane and drive hypodynamic problem.Simultaneously, because Mechanical Driven module 3 both can be worked simultaneously with hydraulic-driven module 5, can be suitable for the characteristics of car hosit road driving, place operation dual-use function according to different operating mode selection work again, can improve the applicability of car hosit.
Particularly, Mechanical Driven module 3 can comprise the first propulsion source 31, change speed gear box 32 and auxiliary gear box 33, and auxiliary gear box connects first group of axle drive shaft 6 of car hosit; The first signal mouth 41 of controller 4 connects the signal receiving end of change speed gear box 32.Similar to mechanical drive system in the car hosit in the prior art, in the drive system provided by the utility model, Mechanical Driven module 3 drives change speed gear box 32 by the first propulsion source 31, and then drives auxiliary gear box 33, the first axle drive shaft 6 of auxiliary gear box 33 driving automobile hoisting cranes.Controller 4 output control signals are limited in predetermined work gear with change speed gear box 32, and the rotating speed of first group of axle drive shaft 6 is limited in the predetermined speed range.Above-mentioned Mechanical Driven module 3 is basic identical with mechanical drive system structure of the prior art, can directly improve on the basis of existing machinery drive system, and it is embodied as low, is easy to realize.
Further, hydraulic-driven module 5 can comprise the second propulsion source 51, the Hydraulic Pump 52 for hoisting operation and the HM Hydraulic Motor 53 that is driven by Hydraulic Pump 52, and the output shaft of this HM Hydraulic Motor 53 connects the second axle drive shaft 7 of car hosit; The secondary signal mouth 42 of controller 4 connects the second propulsion source 51, the three signal output parts 43 connecting fluid press pumps 52; The signal output part of secondary signal mouth 42 control controllers 4 is communicated with or is not communicated with the signal input part of hydraulic-driven module 5.Be that drive system provided by the utility model is included the second propulsion source of hoisting operation in the chassis travel driving system, controller 4 output control signals, the discharge capacity of Hydraulic Pump 52 is limited in the predetermined scope, the rotating speed of the second propulsion source 51 is controlled at the setting rotating speed, the rotating speed of second group of axle drive shaft 7 is limited in the predetermined speed range, is complementary with the speed of first group of axle drive shaft 6.Namely the second propulsion source 51 drives Hydraulic Pump 52, and Hydraulic Pump 52 drives HM Hydraulic Motor 53, the second axle drive shaft 7 of HM Hydraulic Motor 53 driving automobile hoisting cranes.Fluid power system structure in above-mentioned hydraulic-driven module 5 and the prior art during hoisting crane hoisting operation is basic identical, can on the basis of existing fluid power system, directly improve, it is embodied as low, be easy to realize, be conducive to reduce the realization cost of drive system provided by the utility model.
In a kind of concrete embodiment, when the car hosit propulsive effort is not enough, operating personal input dual control drives signal to controller 4, controller 4 outputs to the change speed gear box 32 in the Mechanical Driven module 3, driving engine (i.e. the second propulsion source 51) and the Hydraulic Pump 52 in the hydraulic-driven module 5 to control command, and each control unit limits the restriction of change speed gear box 32 gears, engine speed restriction, Hydraulic Pump 52 discharge capacities after receiving instruction.Controller 4 sends the gear of instruction control change speed gear box 32, thereby restricted speed is at setting range, with Time Controller 4 instruction is dealt into control unit of engine, hydraulic pump control unit in the hydraulic-driven module 5, makes engine speed be limited to set model, hydraulic pump discharge is limited in set model; And the power of control electromagnetic valve connection HM Hydraulic Motor 53 is as shown in Figure 3, and electromagnetic valve B gets electric, electromagnetic valve A outage, and HM Hydraulic Motor 53 drives the second axle drive shaft 7, and the hydraulic-driven module is started working, and car hosit enters the dual drive system pattern.
When the speed of hydraulic-driven module 5 during greater than Mechanical Driven module 3 present speed, 5 loads of hydraulic-driven module increase, and Hydraulic Pump 52 pressure increase, Hydraulic Pump 52 beginning off-loads, and flow reduces, and HM Hydraulic Motor 53 rotating speeds reduce, the Speed Reduction of hydraulic-driven module 5; Otherwise when the speed of hydraulic-driven module 5 during less than Mechanical Driven module 3 present speed, the load of hydraulic-driven module 5 reduces, and Hydraulic Pump 52 flows increase, and HM Hydraulic Motor 53 rotating speeds raise, and the speed of hydraulic-driven module 5 increases; Thereby realize Mechanical Driven module 3 and hydraulic-driven module 5 common driving car hosits, and maximum speed can not surpass the vehicle speed range of controller 4 controls.
Please refer to Fig. 4, Fig. 4 provides the control principle drawing of a kind of specific embodiment of drive system for the utility model.
As shown in the figure, drive system provided by the utility model all is limited to Mechanical Driven and the hydraulically powered speed of a motor vehicle in the specialized range by the restriction to each device parameter, take the Mechanical Driven speed of a motor vehicle as main, the hydraulic-driven speed of a motor vehicle changes immediately with the mechanical speed of a motor vehicle, realizes that speed V is unified, the common driving.Its concrete control flow is as follows:
Chaufeur control pedal throttle is controlled first group of axle drive shaft 6 and is driven vehicle velocity V 1, changes in 0～10Km/h; When V1＜V2, second group of axle drive shaft 7 load increases, Hydraulic Pump 52 overflows, and HM Hydraulic Motor 53 rotating speeds reduce, and the speed V2 of second group of axle drive shaft 7 reduces, until synchronized with V1; Otherwise when V1＞V2, second group of axle drive shaft 7 load reduces, Hydraulic Pump 52 not overflows, and HM Hydraulic Motor 53 rotating speeds improve, and second group of axle drive shaft 7 speed V2 raises, until synchronized with V1.
In further technical scheme, can also between Hydraulic Pump 52 and HM Hydraulic Motor 53, increase switchover apparatus 54, these switchover apparatus 54 1 end connecting fluid press pumps 52, other end connecting fluid pressure motor 53, make the second propulsion source 51 both can provide power for car hosit with Hydraulic Pump 52, also can under general operating mode, use as other device propulsion source of car hosit, with the structure of further simplification car hosit internally-powered system, be convenient to design.
In the preferred technical scheme, can also increase power-transfer clutch 55 between the second axle drive shaft 7 of HM Hydraulic Motor 53 and car hosit, the 4th signal output part 44 of controller 4 connects power-transfer clutch 55.As shown in Figure 3, power-transfer clutch 55 is furnished with power-transfer clutch source of the gas 56, and is connected with electromagnetic valve C between power-transfer clutch 55 and source of the gas 56, and electromagnetic valve C gets when electric, power-transfer clutch 55 combinations, and the second axle drive shaft 7 is driven.In the time of can avoiding running at high speed like this, the second axle drive shaft 7 anti-HM Hydraulic Motor 53 of dragging cause HM Hydraulic Motor 53 to damage, thereby improve the safe reliability of car hosit.
When needing hydraulic-driven module 5 and Mechanical Driven module 3 to work simultaneously, the input executive signal is to controller 4, and after controller 4 received instruction, its each signal output part sent respectively as giving an order:
1) control the second propulsion source 51 limits it and works under the setting rotating speed;
2) control Hydraulic Pump 52 limits it and works under the setting discharge capacity;
3) connect HM Hydraulic Motor 53 and make hydraulic circuit unimpeded, knot engaging clutch 55 rotates the second axle drive shaft 7;
4) control change speed gear box 32 limits its work gear.
In further technical scheme, Hydraulic Pump 52 is specifically as follows swash plate plunger pump, and HM Hydraulic Motor 53 is specifically as follows the inclined plunger motor.Similar with technique scheme, adopting swash plate plunger pump and inclined plunger motor also is the common configuration in the fluid power system in the prior art, select swash plate plunger pump and inclined plunger motor can reduce having the change of fluid power system now, further reduce the realization difficulty of drive system and realize cost.
Except above-mentioned drive system, the utility model also provides a kind of car hosit that comprises above-mentioned drive system, and the Mechanical Driven module 3 of drive system is connected with the hydraulic-driven module and is connected with two groups of axle drive shafts of car hosit respectively.The structure of these other each several parts of car hosit please refer to prior art, and this paper repeats no more.
More than car hosit provided by the utility model and drive system thereof 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 method of the present utility model and core concept thereof.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 (6)
1. the drive system of a car hosit, it is characterized in that, comprise Mechanical Driven module and hydraulic-driven module, and the controller of controlling described Mechanical Driven module and described hydraulic-driven module, the signal output part part of this controller connects described Mechanical Driven module, another part connects described hydraulic-driven module, and the signal receiving end of this hydraulic-driven module selects to be communicated with or not to be communicated with the signal output part of described controller according to operating mode.
2. the drive system of car hosit according to claim 1 is characterized in that, described Mechanical Driven module comprises the first propulsion source, change speed gear box and auxiliary gear box, and described auxiliary gear box connects first group of axle drive shaft of described car hosit; The first signal mouth of described controller connects the signal receiving end of described change speed gear box.
3. the drive system of car hosit according to claim 1 and 2, it is characterized in that, described hydraulic-driven module comprises the second propulsion source for hoisting operation, Hydraulic Pump and by the HM Hydraulic Motor of described hydraulic pump drive, the output shaft of this HM Hydraulic Motor connects second group of axle drive shaft of described car hosit; The secondary signal mouth of described controller connects described the second propulsion source, and the 3rd signal output part connects described Hydraulic Pump; The signal output part that described secondary signal mouth is controlled described controller is communicated with or is not communicated with the signal input part of described hydraulic-driven module.
4. the drive system of car hosit according to claim 3 is characterized in that, described hydraulic-driven module also comprises switchover apparatus, and this switchover apparatus one end connects described Hydraulic Pump, and the other end connects described HM Hydraulic Motor.
5. the drive system of car hosit according to claim 3 is characterized in that, described hydraulic-driven module also comprises the power-transfer clutch of being located between HM Hydraulic Motor and described the second axle drive shaft, and the 4th signal output part of described controller connects described power-transfer clutch.
6. a car hosit is characterized in that, comprises such as each described drive system of claim 1 to 5, and the Mechanical Driven module of this drive system is connected with the hydraulic-driven module with two groups of axle drive shafts of described car hosit and is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220452131 CN202728143U (en) | 2012-09-06 | 2012-09-06 | Autocrane and driving system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220452131 CN202728143U (en) | 2012-09-06 | 2012-09-06 | Autocrane and driving system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202728143U true CN202728143U (en) | 2013-02-13 |
Family
ID=47653873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220452131 Withdrawn - After Issue CN202728143U (en) | 2012-09-06 | 2012-09-06 | Autocrane and driving system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202728143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826056A (en) * | 2012-09-06 | 2012-12-19 | 徐州重型机械有限公司 | Automobile crane and driving system thereof |
-
2012
- 2012-09-06 CN CN 201220452131 patent/CN202728143U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102826056A (en) * | 2012-09-06 | 2012-12-19 | 徐州重型机械有限公司 | Automobile crane and driving system thereof |
| CN102826056B (en) * | 2012-09-06 | 2015-02-25 | 徐州重型机械有限公司 | Automobile crane and driving system thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102427978B (en) | Construction machinery and equipment and the method for operating construction machinery and equipment | |
| EP2617595B1 (en) | Hybrid work vehicle | |
| US7520354B2 (en) | Hybrid vehicle with combustion engine/electric motor drive | |
| CN102365227B (en) | Fuel saving control device for working machine and fuel saving control method for working machine | |
| CN104859435A (en) | Multi-mode power trains with direct-drive lock-up | |
| CN103738154A (en) | Oil electrohydraulic four-wheel drive hybrid power system and control method thereof | |
| CN102756636B (en) | Hybrid driving device for concrete mixer and concrete mixer | |
| CN103158524A (en) | Driving assembly used for hybrid electric automobile | |
| CN102431446A (en) | Engineering truck and driving system thereof | |
| CN102826056B (en) | Automobile crane and driving system thereof | |
| CN101722828A (en) | Driving system of wheel-drive type hydrostatic transmission hybrid vehicle | |
| WO2013078819A1 (en) | Engineering truck and driving system thereof | |
| US8336650B2 (en) | Vehicle crane with a bogie and a superstructure | |
| KR20140034547A (en) | Hybrid forklift system for improving fuel efficiency | |
| CN202728143U (en) | Autocrane and driving system thereof | |
| CN203228318U (en) | Hydraulic-hybrid control system for concrete stirring carrier | |
| CN1987039A (en) | Hybrid power well repairing machine | |
| CN201712468U (en) | Hydraulic power travelling transmission system for tyre crane | |
| KR101731871B1 (en) | Working Vehicle Cruise Control System Having High Efficiency | |
| CN203780313U (en) | Loading machine | |
| CN105416030A (en) | Engineering transport vehicle driven by gas-electric hybrid | |
| CN103133631B (en) | A kind of mixed drive speed changer | |
| CN201816451U (en) | Power transmission system of operation vehicle for rapid transit railway contact network | |
| CN201333931Y (en) | Heavy axle equipped with two hydraulic motors | |
| CN215621348U (en) | Power system of working machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130213 Effective date of abandoning: 20150225 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130213 Effective date of abandoning: 20150225 |
|
| RGAV | Abandon patent right to avoid regrant |