CN2823343Y - Driver for land levelling machine - Google Patents
Driver for land levelling machine Download PDFInfo
- Publication number
- CN2823343Y CN2823343Y CN 200520079424 CN200520079424U CN2823343Y CN 2823343 Y CN2823343 Y CN 2823343Y CN 200520079424 CN200520079424 CN 200520079424 CN 200520079424 U CN200520079424 U CN 200520079424U CN 2823343 Y CN2823343 Y CN 2823343Y
- Authority
- CN
- China
- Prior art keywords
- controller
- outlet
- piston
- land leveller
- hydraulic motor
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a driver for a land leveling machine, which comprises a hydraulic pump and a two-step gear box. The two-step gear box is provided with a control device, a hydraulic motor and an output shaft. The hydraulic motor is communicated with the hydraulic pump by a conduit pipe. The utility model adopts the hydraulic motor to be dynamic force to drive the two-step gear box and the output shaft outputs dynamic force. The gear shifting and speed changing of the two-step gear box are operated by a control device, so a velocity ratio requirement of the colossal range of the leveling machine is implemented. The disadvantages of complicated system, fault liability, etc. caused by hydromechanical drive are avoided. The utility model has the advantages of reasonable design, simple structure, high efficiency, low energy consumption, high degree of automation, low production cost, good versatility, etc. The driver for a land leveling machine can be popularized and applied on the land leveling machine.
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 drive unit of land leveller.
Technical background
Land leveller is a kind of engineering machinery that can be engaged in several work, in construction work. the key operation of land leveller is to carry out level land work on large tracts of land ground, in addition, can also carry out ditching, scrape operations such as slope, soil-shifting, in the ground works that land leveller is used in usually and builds an airport, railway, highway etc. are larger, be a kind of important engineering machinery in the mechanized construction.
In the last few years, the scope of application of land leveller was enlarging day by day.Along with the continuous development of economic construction and science and technology, the scale of human nature remodeling is also more and more big, huge earth and rock works in engineering construction, if the land leveller that does not adapt with it carries out operation, the duration of engineering and quality all are difficult to guarantee.Simultaneously because the high speed development of high-grade highway, and further strengthened, correspondingly the road building machinery product has also been proposed specialty more, strict more requirement the supervision and management of construction technology and construction quality and the strict demand of construction period.Bigger variation has also taken place to the requirement of land leveller in unit in charge of construction, and product will have high cost performance, and promptly higher technical performance, reliable quality and lower price will have high as far as possible operation comfort, multi-functional, intelligent, high-tech simultaneously.
" 95 " end particularly strides into 21st century, and the competition of domestic land leveller industry is growing more intense, but has also promoted the technological innovation and the development of land leveller simultaneously.China's land leveller manufacturing industry is by technology transfer, comprehensive integration, technological innovation, and product design and manufacture level are greatly improved, but also have 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 land levellers.Adopt traditional electrical control system, can't adopt Automatic Levelling, operation work condition inspection system and electronic fault diagnosis system land leveller.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the shortcoming of above-mentioned land leveller, and a kind of drive unit of reasonable in design, simple in structure, efficient is high, energy consumption is low, automaticity is high, cost of production is low, versatility is good land leveller is provided for land leveller.
The technical scheme that solves the problems of the technologies described above employing is: it comprises hydraulic pump, and it also comprises two retaining gearboxes, and two retaining gearboxes are provided with controller, hydraulic motor, output shaft, and hydraulic motor links by conduit and hydraulic pump.
Controller of the present utility model is: the controller that surges that links by conduit and electromagnetic valve, or be electric controller, or be personal control, or be any combination between them.
The controller that surges of the present utility model is: be provided with piston rod in the controller housing that joins with inlet tube and outlet or be connected as a single entity, one end of piston rod is provided with the import piston, the other end is provided with the outlet piston, be provided with the import return spring between import piston and the inlet tube, be provided with the outlet return spring between outlet piston and the outlet, an end of selector fork connects with the middle part of piston rod, the other end and two grades of gearbox inside laps.
Electric controller of the present utility model is electromagnetic controller or electronic pull bar controller.
The utility model adopts hydraulic motor to drive two grades of gearboxes as power, by the output shaft outputting power, two grades of gearbox gear-shift speed changes are operated by controller, realized the super large scope speed ratio requirement of land leveller, the system complex of having avoided the hydraulic machine transmission to be brought, troublesome shortcoming.The utlity model has advantages such as reasonable in design, simple in structure, that efficient is high, energy consumption is low, automaticity is high, cost of production is low, versatility is good, can on land leveller, be applicable.
Description of drawings.
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 be surge among Fig. 1 controller 4 and two the retaining gearboxes 5 the connection schematic diagram.
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 drive unit of the land leveller of present embodiment is made of hydraulic pump 1, hydraulic motor 2, electromagnetic valve 3, the controller 4 that surges, two retaining gearboxes 5, output shaft 6 connections.
The import and the outlet that are installed in the import of the hydraulic pump 1 on the land leveller and export by pipeline and hydraulic motor 2 link, hydraulic pump 1 drives hydraulic motor 2 rotations for hydraulic motor 2 provides hydraulic oil, hydraulic motor 2 links with the power shaft 5-4 that is installed in the retaining of two on land leveller gearbox 5 by connector, in the upper end of two retaining gearboxes 5 with the screw threads for fastening connector controller 4 that surges that has been fixedly connected, the controller 4 that surges is used to control two retaining gearboxes 5 and carries out the I shelves and the II shelves switch mutually, the controller 4 that surges links by conduit and the electromagnetic valve 3 that is installed on the land leveller, electromagnetic valve 3 links by conduit and the hydraulic pump 1 that is installed on the land leveller, and electromagnetic valve 3 is used to control hydraulic pump 1 and links with the controller 4 that surges or disconnect.With the screw threads for fastening connector output shaft 6 that has been fixedly connected, output shaft 6 can link by connector and other machinery on the right side of two retaining gearboxes 5.
In Fig. 2, the controller 4 that surges of present embodiment is connected into by inlet tube 4-1, import return spring 4-2, import piston 4-3, piston rod 4-4, controller housing 4-5, selector fork 4-6, outlet piston 4-7, outlet return spring 4-8, outlet 4-9.Inlet tube 4-1 and outlet 4-9 and controller housing 4-5 are connected as a single entity.Piston rod 4-4 is installed in controller housing 4-5, the end of piston rod 4-4 is equipped with import piston 4-3, the other end is equipped with outlet piston 4-7, import return spring 4-2 is installed between import piston 4-3 and the inlet tube 4-1, outlet return spring 8 is installed between outlet piston 4-7 and the outlet 4-9, the middle part of piston rod 4-4 connects the other end of selector fork 4-6 and two grades of gearbox 5 inside laps with the screw threads for fastening connector with the end of selector fork 4-6.Inlet tube 4-1 and outlet 4-9 can link by conduit and the electromagnetic valve 3 that is installed on the land leveller.The controller 4 that surges of present embodiment as power source, promotes import piston 4-3 and outlet piston 4-7 move left and right, the feasible selector fork 4-6 move left and right that is installed on the piston rod 4-4 by high-pressure and hydraulic oil.
The drive unit of the land leveller of this structure, be that two grades of speed changes of a kind of employing hydraulic machinery are carried out powerdriven device, can realize the super large scope speed ratio requirement of land leveller, the system complex of having avoided the hydraulic machine transmission to be brought, troublesome shortcoming has advantages such as the change amount is little, expense is low, versatility is good.
Embodiment 2
In the present embodiment, controller is an electric controller, and electric controller can adopt electromagnetic controller, and electromagnetic controller is the commodity of selling on the market, two grades of gearbox 5 gear shift of electromagnetic controller control.Electric controller also can adopt electronic pull bar controller, two grades of gearbox 5 gear shift of electronic pull bar controller control.The connecting relation of other component and component is identical with embodiment 1.
Embodiment 3
In the present embodiment, controller is a personal control, and this personal control can adopt lever or rocking arm conventional in the Machine Design, by two grades of gearbox 5 gear shift of manually-operated personal control control.The connecting relation of other component and component is identical with embodiment 1.
Embodiment 4
In the present embodiment, controller is the combination of electric controller and personal control, and electric controller adopts electromagnetic controller, and personal control adopts lever or rocking arm, and electromagnetic controller is controlled two grades of gearbox 5 gear shift by lever or rocking arm.Controller also can adopt personal control and surge the combination of controller 4, surge being switched on or switched off of oil circuit of controller 4 of personal control control, and the controller 4 that surges is controlled two grades of gearbox 5 gear shift.The connecting relation of other component and component is identical with embodiment 1.
Operating principle of the present utility model is as follows:
Need speed change to change at that time, when operator's operation-control switch, electromagnetic valve 3 is linked the flowline of the hydraulic oil pump 1 of land leveller and the inlet tube 4-1 of the controller 4 that surges, the oil return pipe of hydraulic oil pump 1 links with the outlet 4-9 of the controller 4 that surges, under the effect of high-pressure and hydraulic oil, import piston 4-3 and outlet piston 4-7 move right, with moving right of the joining selector fork 4-6 of piston rod 4-4, the shift sleeve 5-1 that selector fork 4-6 stirs two grades of gearboxes 5 moves, the shift sleeve 5-1 and the II shelves change-speed gearing 5-3 of two grades of gearboxes 5 are thrown off, the shift sleeve 5-1 of two grades of gearboxes 5 is meshed with I shelves change-speed gearing 5-2, output shaft 6 output I shelves rotating speeds.When operator's operation-control switch, electromagnetic valve 3 is linked the oil return pipe of hydraulic oil pump 1 and the inlet tube 4-1 of the controller 4 that surges, the flowline of liquid oil pump 1 links with the outlet 4-9 of the controller 4 that surges, import piston 4-3 and outlet piston 4-7 are moved to the left, with being moved to the left of the joining selector fork 4-6 of piston rod 4-4, the shift sleeve 5-1 that selector fork 4-6 stirs two grades of gearboxes 5 moves, the shift sleeve 5-1 and the I shelves change-speed gearing 5-2 of two grades of gearboxes 5 are thrown off, the shift sleeve 5-1 of two grades of gearboxes 5 is meshed with II shelves change-speed gearing 5-3, output shaft 6 output II shelves rotating speeds.
Also can design the drive unit of the land leveller of another concrete structure according to above-mentioned principle, but all within protection domain of the present utility model.
Claims (4)
1, a kind of drive unit of worker's land leveller, it comprises hydraulic pump [1], it is characterized in that: it also comprises two retaining gearboxes [5], and two retaining gearboxes [5] are provided with controller, hydraulic motor [2], output shaft [6], and hydraulic motor [2] links by conduit and hydraulic pump [1].
2, according to the drive unit of the described land leveller of claim 1, it is characterized in that said controller is: the controller that surges [4] that links by conduit and electromagnetic valve [3], or be electric controller, or be personal control, or be any combination between them.
3, drive unit according to the described land leveller of claim 2, it is characterized in that the said controller that surges [4] is: in the controller housing [4-5] that joins with inlet tube [4-1] and outlet [4-9] or be connected as a single entity, be provided with piston rod [4-4], one end of piston rod [4-4] is provided with import piston [4-3], the other end is provided with outlet piston [4-7], be provided with import return spring [4-2] between import piston [4-3] and the inlet tube [4-1], be provided with outlet return spring [4-8] between outlet piston [4-7] and the outlet [4-9], an end of selector fork [4-6] connects with the middle part of piston rod [4-4], the other end and two grades of gearboxes [5] inside lap.
4, according to the drive unit of the described land leveller of claim 2, it is characterized in that: said electric controller is electromagnetic controller or electronic pull bar controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520079424 CN2823343Y (en) | 2005-09-23 | 2005-09-23 | Driver for land levelling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520079424 CN2823343Y (en) | 2005-09-23 | 2005-09-23 | Driver for land levelling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2823343Y true CN2823343Y (en) | 2006-10-04 |
Family
ID=37032455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520079424 Expired - Fee Related CN2823343Y (en) | 2005-09-23 | 2005-09-23 | Driver for land levelling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2823343Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774706A (en) * | 2013-12-31 | 2014-05-07 | 湖南三一路面机械有限公司 | Speed regulation device and land leveler |
-
2005
- 2005-09-23 CN CN 200520079424 patent/CN2823343Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103774706A (en) * | 2013-12-31 | 2014-05-07 | 湖南三一路面机械有限公司 | Speed regulation device and land leveler |
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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: 20061004 Termination date: 20120923 |