CN2837372Y - Front-wheel hydraulic driving device for milling and planing machine - Google Patents
Front-wheel hydraulic driving device for milling and planing machine Download PDFInfo
- Publication number
- CN2837372Y CN2837372Y CN 200520079619 CN200520079619U CN2837372Y CN 2837372 Y CN2837372 Y CN 2837372Y CN 200520079619 CN200520079619 CN 200520079619 CN 200520079619 U CN200520079619 U CN 200520079619U CN 2837372 Y CN2837372 Y CN 2837372Y
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- milling
- hydraulic motor
- planing machine
- milling machine
- driving device
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Abstract
The utility model relates to a front-wheel hydraulic driving device for a milling and planing machine, which comprises a volume-adjustable hydraulic pump which is arranged on a motor of a milling and planing machine. The front-wheel hydraulic driving device for a milling and planing machine also comprises a variable displacement hydraulic motor or a combined type hydraulic motor that is arranged on a steering drive axle of the milling and planing machine or is connected with the steering drive axle of the milling and planing machine by a drive mechanism. The volume-adjustable hydraulic pump is communicated with the variable displacement hydraulic motor or the combined type hydraulic motor by a conduit pipe. The utility model adopts a double discharge hydraulic motor to drive two fore wheels of the milling and planing machine, so that a colossal range speed ratio of the milling and planing machine is realized. The disadvantages of complicated system, fault liability, etc. caused by a front driving device and a mechanical two-step gear box adopted by the milling and planing machine are avoided. The utility model has the advantages of reasonable design, simple structure, high efficiency, low energy consumption, high degree of automation, great output power, good versatility, etc. The front-wheel hydraulic driving device for a milling and planing machine can be popularized and applied on milling and planing machines.
Description
Technical field
The utility model belongs to the making in road or other similar structure paving, machine, instrument or the auxiliary equipment technical field of reparation usefulness, is specifically related to the engineering machinery gearbox.
Background technology
Asphalt road plane milling machine is the maintenance of equipment of a kind of pavement construction machinery efficiently.The excavation that this class machinery is mainly used in asphalt concrete pavements such as highway, town road, airport, goods yard, parking lot is overhauled.The road surface be can remove efficiently and bag, wave gathered around, but also excavated pavement hole groove and groove, and it is flat also to can be used for milling of the plucking of cement concrete pavement and surface layer faulting of slab ends.
In the last few years, the scope of application of milling machine is enlarging day by day, along with China's expressway construction and development, the operation of high-quality maintenance of surface fast becomes the important topic that the highway communication industry is paid close attention to and studied, modern road-surface milling machinery there has been the market demand, for milling mechanism development at home provides vast potential for future development and market.China progressively sets up development of road-surface milling machinery and the production system of oneself when introducing the use external product, its product applies in the machinery maintenance operation of speedway very soon.Simultaneously because the high speed development of high-grade highway, and further strengthened supervision and management and the strict demand of maintenance duration, correspondingly the road building machinery product has also been proposed specialty more, strict more requirement highway maintenance technology and quality.Bigger variation has also taken place to the requirement of milling machine in maintenance construction unit, product will have high cost performance: promptly higher technical performance, reliable quality and lower price will have high as far as possible operation comfort, multi-functional, intelligent, high-tech simultaneously.
Domestic in recent years milling machine manufacturing industry is by technology transfer, comprehensive integration, technological innovation, and product design and manufacture level are greatly improved, but also has many shortcomings.Relatively poor as reliability, mean time between failures and time to first overhaul all are significantly less than external product application life.This is because non-tender is more, and is in batches little, and quality can't guarantee etc. that reason causes the quality instability of some milling machines.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the shortcoming of above-mentioned milling machine, and a kind of hydraulic pressure front-wheel drive of reasonable in design, simple in structure, efficient is high, energy consumption is low, automaticity is high, power output is big milling machine is provided for milling machine.
The technical scheme that solves the problems of the technologies described above employing is that it comprises: be arranged on the volume adjustable hydraulic pump on the milling machine motor, a variable hydraulic motor or a combination hydraulic motor that it also comprises on the steering and driving axle that is arranged on milling machine or connects with the steering and driving axle of milling machine by transmission mechanism, volume adjustable hydraulic pump links by conduit and variable hydraulic motor or combination hydraulic motor.
Combination hydraulic motor of the present utility model is at least one variable hydraulic motor and combination or at least one constant displacement hydraulic motor and the combination of another constant displacement hydraulic motor or the combination of at least one variable hydraulic motor and at least one constant displacement hydraulic motor at least of another variable hydraulic motor at least.
The utility model has adopted two front-wheels of double amount fluid motor-driven milling machine, realized the super large scope velocity ratio of milling machine, avoided milling machine to adopt front wheel driving to add shortcomings such as the machinery two retaining system complex that gearbox brought, easy break-down, the utlity model has advantages such as reasonable in design, simple in structure, that efficient is high, energy consumption is low, automaticity is high, power output is big, versatility is good, can on milling machine, be applicable.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment 1.
Fig. 2 is the structural representation of the utility model embodiment 2.
Fig. 3 is the structural representation of the utility model embodiment 3.
Fig. 4 is the structural representation of the utility model embodiment 4.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described, but the utility model is not limited to these embodiment.
Embodiment 1
In Fig. 1, the hydraulic pressure front-wheel drive of the milling machine of present embodiment is to be connected by volume adjustable hydraulic pump 1, variable hydraulic motor 2 to constitute.
Volume adjustable hydraulic pump 1 is installed on the motor of milling machine, variable hydraulic motor 2 usefulness connectors connect with an end of the power transmission shaft 5 of milling machine, the other end of power transmission shaft 5 connects with the brake 3 of milling machine with connector, brake 3 usefulness connectors connect with the steering and driving axle 5 of milling machine, brake 3 is used in case of emergency braking, volume adjustable hydraulic pump 1 links by conduit and variable hydraulic motor 2, the variable hydraulic motor 2 of present embodiment is the combination of a variable hydraulic motor and a variable hydraulic motor, volume adjustable hydraulic pump 1 provides pressure for variable hydraulic motor 2, under the pressure effect of volume adjustable hydraulic pump 1 hydraulic oil, 2 rotations of combination hydraulic motor, through power transmission shaft 5 transmissions steering and driving axle 4 is rotated, the front-wheel of driving milling machine rotates.Because the utility model has adopted variable hydraulic motor 2, according to construction road surface situation or working condition, variable hydraulic motor 2 can be adjusted duty automatically, make milling machine realize that two grades of speed changes advance or retreat operating mode, avoided milling machine to adopt the forerunner to add shortcomings such as the machinery two retaining system complex that gearbox brought, easy break-down.The hydraulic pressure front-wheel drive of this milling machine has advantages such as the change amount is little, efficient is high, energy consumption is low, automaticity is high, power output is big, cost of production hangs down expense, versatility is good.After the hydraulic pressure front-wheel drive of the milling machine of present embodiment was installed on the milling machine, milling machine was when the low speed operation, and variable hydraulic motor 2 is worked, and variable hydraulic motor 2 is in the big discharge capacity of low speed, realizes driven at low speed.When running at high speed, variable hydraulic motor 2 can be realized running at high speed by variable.
Embodiment 2
In Fig. 2, the variable hydraulic motor 4 of present embodiment links by an end of connector and brake 3, and the other end of brake 3 and the steering and driving axle of milling machine 4 link.Volume adjustable hydraulic pump 1 links by conduit and variable hydraulic motor 2.The connecting relation of other component and component is identical with embodiment 1.
In Fig. 3, the variable hydraulic motor 1 of present embodiment links by an end of connector and power transmission shaft 5, and the other end of power transmission shaft 5 and the steering and driving axle of milling machine 4 link.Volume adjustable hydraulic pump 1 links by conduit and variable hydraulic motor 2.The connecting relation of other component and component is identical with embodiment 1.
Embodiment 4
In Fig. 4, the variable hydraulic motor 2 of present embodiment links by the steering and driving axle 4 of connector and milling machine, and volume adjustable hydraulic pump 1 links by conduit and variable hydraulic motor 2.The connecting relation of other component and component is identical with embodiment 1.
In the present embodiment, the output shaft of variable hydraulic motor 2 links by connector and reducer, and the output shaft of reducer and the steering and driving axle of milling machine 4 link, and volume adjustable hydraulic pump 1 links by conduit and variable hydraulic motor 2.The connecting relation of other component and component is identical with embodiment 1.
Embodiment 6
In the present embodiment, variable hydraulic motor 2 links by an end of connector and power transmission shaft 5, the other end and the reducer of power transmission shaft 5 link, and the output shaft of reducer and the steering and driving axle of milling machine 4 link, and volume adjustable hydraulic pump 1 links by conduit and variable hydraulic motor 2.The connecting relation of other component and component with
Embodiment 1 is identical.
Embodiment 7
In the present embodiment, the output shaft of variable hydraulic motor 2 links by connector and reducer, one end of the output shaft of reducer and brake 3 links, the other end of brake 3 links by the steering and driving axle 4 of connector and milling machine, and volume adjustable hydraulic pump 1 links by conduit and variable hydraulic motor 2.The connecting relation of other component and component is identical with embodiment 1.
Embodiment 8
In above embodiment 1～7, variable hydraulic motor 2 usefulness combination hydraulic motors are replaced, and the combination hydraulic motor is the combination of a constant displacement hydraulic motor and another constant displacement hydraulic motor, and volume adjustable hydraulic pump 1 links by conduit and combination hydraulic motor.The connecting relation of other component and component is identical with respective embodiments.
Embodiment 9
In above embodiment 1～7, variable hydraulic motor 2 usefulness combination hydraulic motors are replaced, and the combination hydraulic motor is the combination of a variable hydraulic motor and another variable hydraulic motor, and volume adjustable hydraulic pump 1 links by conduit and combination hydraulic motor.The connecting relation of other component and component is identical with respective embodiments.
Embodiment 10
In above embodiment 1～7, variable hydraulic motor 2 usefulness combination hydraulic motors are replaced, and the combination hydraulic motor is the combination of a variable hydraulic motor and a constant displacement hydraulic motor, and volume adjustable hydraulic pump 1 links by conduit and combination hydraulic motor.The connecting relation of other component and component is identical with respective embodiments.
Claims (2)
1, a kind of hydraulic pressure front-wheel drive of milling machine, it is characterized in that it comprises: be arranged on the volume adjustable hydraulic pump (1) on the milling machine motor, a variable hydraulic motor (2) or a combination hydraulic motor that it comprises also that the steering and driving axle (4) that is arranged on milling machine is gone up or connects with the steering and driving axle (4) of milling machine by transmission mechanism, volume adjustable hydraulic pump (1) links by conduit and variable hydraulic motor (2) or combination hydraulic motor.
2, according to the hydraulic pressure front-wheel drive of the described milling machine of claim 1, it is characterized in that: said combination hydraulic motor is combination or at least one constant displacement hydraulic motor and at least combination of another constant displacement hydraulic motor or the combination of at least one variable hydraulic motor and at least one constant displacement hydraulic motor of at least one variable hydraulic motor with another variable hydraulic motor at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520079619 CN2837372Y (en) | 2005-11-01 | 2005-11-01 | Front-wheel hydraulic driving device for milling and planing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520079619 CN2837372Y (en) | 2005-11-01 | 2005-11-01 | Front-wheel hydraulic driving device for milling and planing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2837372Y true CN2837372Y (en) | 2006-11-15 |
Family
ID=37391855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520079619 Expired - Fee Related CN2837372Y (en) | 2005-11-01 | 2005-11-01 | Front-wheel hydraulic driving device for milling and planing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2837372Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867509A (en) * | 2014-03-26 | 2014-06-18 | 上海电气液压气动有限公司 | Hydraulic power system of double-wheel mill |
| CN103867508A (en) * | 2014-03-26 | 2014-06-18 | 上海电气液压气动有限公司 | Oil supply loop for hydraulic motor of double-wheel mill |
| CN115198613A (en) * | 2021-04-06 | 2022-10-18 | 宝马格有限公司 | Self-propelled ground milling machine and method for operating a ground milling machine in emergency operation |
-
2005
- 2005-11-01 CN CN 200520079619 patent/CN2837372Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867509A (en) * | 2014-03-26 | 2014-06-18 | 上海电气液压气动有限公司 | Hydraulic power system of double-wheel mill |
| CN103867508A (en) * | 2014-03-26 | 2014-06-18 | 上海电气液压气动有限公司 | Oil supply loop for hydraulic motor of double-wheel mill |
| CN103867509B (en) * | 2014-03-26 | 2016-06-22 | 上海电气液压气动有限公司 | A kind of Double-wheel milling hydraulic power system |
| CN115198613A (en) * | 2021-04-06 | 2022-10-18 | 宝马格有限公司 | Self-propelled ground milling machine and method for operating a ground milling machine in emergency operation |
| CN115198613B (en) * | 2021-04-06 | 2023-11-14 | 宝马格有限公司 | Self-propelled floor milling machine and method for operating a floor milling machine in emergency operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061115 Termination date: 20091201 |