CN104088832A - Hydraulic system of disintegrating machine and disintegrating machine - Google Patents
Hydraulic system of disintegrating machine and disintegrating machine Download PDFInfo
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- CN104088832A CN104088832A CN201310353958.4A CN201310353958A CN104088832A CN 104088832 A CN104088832 A CN 104088832A CN 201310353958 A CN201310353958 A CN 201310353958A CN 104088832 A CN104088832 A CN 104088832A
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- valve
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- solenoid directional
- disintegrating machine
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Abstract
The invention provides a hydraulic system of a disintegrating machine. The hydraulic system of the disintegrating machine comprises a main hydraulic system and an auxiliary hydraulic system, wherein the main hydraulic system and the auxiliary hydraulic system are communicated; the main hydraulic system comprises a hydraulic pump, a pilot pump, a main valve, a pilot valve and a motor; the auxiliary hydraulic system comprises an oil cylinder, a switching valve and an electromagnetic reversing valve; the hydraulic pump is communicated with the main valve; the hydraulic pump and the pilot pump are communicated with the pilot valve and the electromagnetic reversing valve; the switching valve is communicated with the oil cylinder. Compared with the hydraulic system of the disintegrating machine used at present, the hydraulic system of the disintegrating machine with the structure has the advantages of relatively low cost, easiness in repair and maintenance and the like. On the other hand, the invention further provides the disintegrating machine comprising the hydraulic system of the disintegrating machine.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of disintegrating machine hydraulic system and disintegrating machine.
Background technique
In recent years, along with the sustained and rapid development of China's economy, development of automobile industry is swift and violent, 2012, the automobile volume of production and marketing of China all approaches 2,000 ten thousand, nearly 100,013,000 of China's automobile pollution, nearly 4,000,000 of year motor vehicle liquidation amount, expect the year two thousand twenty, China's automobile year learies will reach 1,200 ten thousand.
The recycling of abandoned car has become huge industry of China, has also driven related industry, as the development of the industries such as disintegrating machine, at present, abandoned car is disassembled the disintegrating machine that producer is used, and mainly from external import, mainly has following problem at present from the disintegrating machine of external import:
The first, hydraulic system is expensive.The disintegrating machine using at present, hydraulic system comprises main hydraulic system and adheres to hydraulic system, main hydraulic system is consistent with the hydraulic system of the excavator on market, mainly comprises oil hydraulic pump, pioneer pump, main valve, pilot valve and motor etc.Adhere to hydraulic system and mainly comprise switching valve, throttle valve, Pilot operated check valve, hoist cylinder and folding oil cylinder etc.Due to the hydraulic system relative complex of import disintegrating machine, therefore, price comparison costliness, has increased the cost of disassembling of disassembling producer greatly.
Secondly, not attractive in appearance and be not easy to maintenance, maintenance difficult.The disintegrating machine using at present, hydraulic system level of integration is low, and therefore, revolution turntable inner tube way amount is more, and outward appearance is not attractive in appearance and be not easy to M R.
Three, versatility is poor, is difficult to promote the use.The disintegrating machine of import at present, a lot of external producers are the interests of safeguarding oneself, the versatility of its component is poor, while changing component, more difficultly find at home identical component, often can only be by high price from external import, versatility is poor, directly raise the maintenance cost of disintegrating machine, be difficult to promote the use on a large scale.
In sum, how to provide a kind of cost is lower, easy to maintenance and versatility is good disintegrating machine hydraulic system and disintegrating machine, become those skilled in the art to need the technical problem of solution badly.
Summary of the invention
Based on the deficiencies in the prior art, one of the problem to be solved in the present invention is to provide a kind of lower-cost disintegrating machine hydraulic system.
Two of the problem to be solved in the present invention is to provide a kind of disintegrating machine that comprises above-mentioned disintegrating machine hydraulic system.
For one of solving the problems of the technologies described above, the invention provides a kind of disintegrating machine hydraulic system, comprise main hydraulic system and adhere to hydraulic system, described main hydraulic system and described in adhere to hydraulic system and be communicated with, described main hydraulic system comprises oil hydraulic pump, pioneer pump, main valve, pilot valve and motor; The described hydraulic system of adhering to comprises oil cylinder, switching valve and solenoid directional control valve; Described oil hydraulic pump is communicated with main valve, and described oil hydraulic pump, pioneer pump are communicated with described pilot valve and solenoid directional control valve, and described switching valve is communicated with oil cylinder.
As the improvement on the one hand of a kind of disintegrating machine hydraulic system of the present invention, described solenoid directional control valve comprises the first solenoid directional control valve, the second solenoid directional control valve, the 3rd solenoid directional control valve and the 4th solenoid directional control valve, described the second solenoid directional control valve is communicated with described the 4th solenoid directional control valve, and described the second solenoid directional control valve is communicated with described the 3rd solenoid directional control valve.
As the improvement on the one hand of a kind of disintegrating machine hydraulic system of the present invention, described pilot valve comprises the first pilot valve and the second pilot valve, described the first pilot valve is communicated with described the second pilot valve, described the first pilot valve is also communicated with the first solenoid directional control valve, and described the second pilot valve is also communicated with described the second solenoid directional control valve.
As the improvement on the one hand of a kind of disintegrating machine hydraulic system of the present invention, described switching valve comprises the first switching valve and the second switching valve, described oil cylinder comprises hoist cylinder and folding oil cylinder, described hoist cylinder and described folding oil cylinder include rod chamber and rodless cavity, described rod chamber and described rodless cavity are equipped with hydraulic fluid port, and the hydraulic fluid port of described hoist cylinder, folding oil cylinder is communicated with the first switching valve and described the second switching valve respectively.
As the improvement on the one hand of a kind of disintegrating machine hydraulic system of the present invention, the quantity of described hoist cylinder is two, is also provided with the first one-way throttle valve and the second one-way throttle valve on the pipeline between described the first switching valve and described hoist cylinder.
As the improvement on the one hand of a kind of disintegrating machine hydraulic system of the present invention, the quantity of described folding oil cylinder is two, on the pipeline between described the second switching valve and described folding oil cylinder, is also provided with flow divider-combiner.
As the improvement on the one hand of a kind of disintegrating machine hydraulic system of the present invention, described motor comprises the first motor and the second motor, and the two ends of described the first motor are communicated with described the first switching valve, and the two ends of described the second motor are communicated with described the second switching valve.
As the improvement on the one hand of a kind of disintegrating machine hydraulic system of the present invention, described main valve comprises the first selector valve and the second selector valve, described the first selector valve is communicated with described the first switching valve and described the second solenoid directional control valve, and described the second selector valve is communicated with the second switching valve and the first solenoid directional control valve.
As the improvement on the one hand of a kind of disintegrating machine hydraulic system of the present invention, described the first solenoid directional control valve and the second selector valve are that two six energising magnetic change valve; Described the 3rd solenoid directional control valve and described the 4th solenoid directional control valve are 3-position 4-way solenoid directional control valve; Described the first switching valve and described the second switching valve are two six direction changeover valves; Described the first selector valve and described the second selector valve are three six-way transfer valves.
The disintegrating machine hydraulic system of said structure, for disintegrating machine, comprise main hydraulic system and adhere to hydraulic system, main hydraulic system and adhere to hydraulic system be communicated with, on the basis of existing excavator hydraulic system, develop and form, compared with the disintegrating machine hydraulic system of current use, there is cost relatively cheap, more easily keep in repair and the advantage such as maintenance.
For address the above problem two, the invention provides a kind of disintegrating machine, comprise first handle, second handle and disintegrating machine hydraulic system, described first handle, described second handle are respectively used to control hoist cylinder and the folding oil cylinder in described disintegrating machine hydraulic system, and described disintegrating machine hydraulic system is hydraulic system as above.
Be provided with the disintegrating machine of above-mentioned disintegrating machine hydraulic system, there is the advantages such as cost is low, easy to maintenance.
Brief description of the drawings
The accompanying drawing that forms a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention is used for explaining the present invention, does not form inappropriate limitation of the present invention.
Fig. 1 is a kind of embodiment's of disintegrating machine hydraulic system of the present invention schematic diagram;
Fig. 2 is the structural representation of the first Joystick of disintegrating machine hydraulic system of the present invention;
Fig. 3 is the structural representation of the second Joystick of disintegrating machine hydraulic system of the present invention;
In Fig. 1 to Fig. 3, the corresponding relation of reference character is:
1a first pilot valve 1b second pilot valve 2a the first solenoid directional control valve
2b the second solenoid directional control valve 3a the 3rd solenoid directional control valve 3b the 4th solenoid directional control valve
4 the 5th solenoid directional control valve 5a first switching valve 5b the second switching valves
6a first motor 6b the second motor 7 hoist cylinders
Unidirectional shutoff valve 9 one-way valves of 8a the first one-way throttle valve 8b second
10 folding oil cylinder 11 flow divider-combiner 12 main valves
13a first oil hydraulic pump 13b the second oil hydraulic pump 14 pioneer pumps
15 relief valve 16 motor 17 first selector valves
18 second selector valve 19 fuel tanks
20 first handle 201 first button 202 second buttons
30 second handles 301 the 3rd button 302 the 4th button
Embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the present invention can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the present invention in detail.
Disintegrating machine hydraulic system as shown in Figure 1, comprises main hydraulic system and adheres to hydraulic system, main hydraulic system with adhere to hydraulic system and be communicated with, particularly, comprise pilot valve, solenoid directional control valve, switching valve, motor, oil cylinder, oil pump and fuel tank 19.Particularly, pilot valve comprises the first pilot valve 1a and the second pilot valve 1b, the first pilot valve 1a and the second pilot valve 1b are by pipeline connection, and solenoid directional control valve comprises the first solenoid directional control valve 2a, the second solenoid directional control valve 2b, the 3rd solenoid directional control valve 3a, the 4th solenoid directional control valve 3b and the 5th solenoid directional control valve 4.Switching valve comprises the first switching valve 5a and the second switching valve 5b.The first pilot valve 1a is communicated with the first solenoid directional control valve 2a, and the first pilot valve 1a is used for controlling the first solenoid directional control valve 2a, and the first solenoid directional control valve 2a and the 4th solenoid directional control valve 3b are communicated with.The second pilot valve 1b is communicated with the second solenoid directional control valve 2b, and the second pilot valve 1b is used for controlling the second solenoid directional control valve 2b, and the second solenoid directional control valve 2b is communicated with the 3rd solenoid directional control valve 3a.It should be noted that, the first solenoid directional control valve 2a and the second solenoid directional control valve 2b are two six electric change valves, the 3rd solenoid directional control valve 3a and the 4th solenoid directional control valve 3b are 3-position 4-way solenoid directional control valve, and the 5th solenoid directional control valve 4 is two-bit triplet solenoid directional control valve.
In technique scheme, the first pilot valve 1a, the second pilot valve 1b are communicated with pioneer pump 14 and fuel tank 19 by pipeline, pioneer pump 14 provides pressure oil for the first pilot valve 1a and the second pilot valve 1b, and the hydraulic oil flowing out from the first pilot valve 1a and the second pilot valve 1b flows back to fuel tank 19 by the road.It should be noted that, pioneer pump 14 is by motor 16 driven rotary of disintegrating machine, and motor 16 is preferably diesel engine, it should be noted that, also available motor replaces motor.In addition, the in-line of pioneer pump 14 is also provided with relief valve 15.
In technique scheme, disintegrating machine hydraulic system comprises main valve 12, particularly, disintegrating machine hydraulic system also comprises the first selector valve 17 and the second selector valve 18, the first selector valve 17 is communicated with the second solenoid directional control valve 2b, the first selector valve 17 is also connected with the first switching valve 5a, the first switching valve 5a is connected with the first motor 6a, the first switching valve 5a also with the first unidirectional shutoff valve 8a, the second unidirectional shutoff valve 8b and one-way valve 9 are communicated with, the first unidirectional shutoff valve 8a, the second unidirectional shutoff valve 8b is connected with hoist cylinder 7, hoist cylinder 7 is provided with rod chamber and rodless cavity, on rod chamber and rodless cavity, be equipped with the hydraulic fluid port for being communicated with the first unidirectional shutoff valve 8a and the second unidirectional shutoff valve 8b, the quantity of hoist cylinder 7 is two, and being interconnected without bar of two hoist cylinders 7, rod chamber is also interconnected.
In technique scheme, the first switching valve 5a is two six direction changeover valves, and the first selector valve 17, the second selector valve 18 are three six-way transfer valves, and the first motor 6a is driving motors.
Disintegrating machine hydraulic system also comprises folding oil cylinder 10, flow divider-combiner 11, the second motor 6b and the second switching valve 5b, the second switching valve 5b is two six direction changeover valves, the structure of the structure of folding oil cylinder 10 and hoist cylinder 7 is similar, and its quantity is also two, does not repeat them here.Folding oil cylinder 10 is communicated with flow divider-combiner 11, is communicated with the second switching valve 5b simultaneously, and flow divider-combiner 11 is communicated with the second switching valve 5b, and the second switching valve 5b is communicated with the second selector valve 18, and the second motor 6b is communicated with the second switching valve 5b.It should be noted that, the working position of the first switching valve 5a and the second switching valve 5b is controlled by the 5th solenoid directional control valve 4.
Disintegrating machine hydraulic system is also included as main valve 12 provides the first oil hydraulic pump 13a and the second oil hydraulic pump 13b of pressure oil, one end of the first oil hydraulic pump 13a, the second oil hydraulic pump 13b is all placed in fuel tank 19, other one end is communicated with main valve 12, the first oil hydraulic pump 13a and the second oil hydraulic pump 13b are variable displacement pump, and by motor 16 driven rotary.
It should be noted that, the disintegrating machine hydraulic system of said structure, also has other embodiment, as the first solenoid directional control valve 2a and the second solenoid directional control valve 2b are changed respectively by two two-bit triplet solenoid directional control valves and replaced.The first switching valve 5a and the second switching valve 5b change respectively by two two-bit triplet solenoid directional control valves and replace, and the kind of valve can be varied, do not do concrete restriction at this.
As shown in Figures 2 and 3, disintegrating machine also comprises the pilot handle for controlling disintegrating machine hydraulic system oil cylinder, the quantity of handle is two, be respectively first handle 20 and second handle 30, on first handle 20, be respectively equipped with the first button 201 and the second button 202, second handle 30 is provided with the 3rd button 301 and the 4th button 302.
In technique scheme, the working principle of hoist cylinder 7 is as follows:
Press the first button 201 of first handle 20, the first solenoid directional control valve 2a, the second solenoid directional control valve 2b and the 5th solenoid directional control valve 4 are switched on, pioneer pump 14 starts pump oil, pressure oil enters the first selector valve 17 in main valve 12 through the second solenoid directional control valve 2b, simultaneously, pressure oil in pioneer pump 14 is controlled the first switching valve 5a commutation after the second solenoid directional control valve 2b, pressure oil in the second oil hydraulic pump 13b is flowed through after the first selector valve 17, the first unidirectional shutoff valve 8a and is entered hoist cylinder 7 rodless cavities, and hoist cylinder 7 stretches out.
Press the second button 202 of first handle 20, the first solenoid directional control valve 2a, the second solenoid directional control valve 2b, the 3rd solenoid directional control valve 3a and the 5th solenoid directional control valve 4 are switched on, the pioneer pump 14 pump oil of starting working, pressure oil changes selector valve 2b through the second electromagnetism and enters the first selector valve 17 in main valve 12, simultaneously, pressure oil in pioneer pump 14 is controlled the first switching valve 5a commutation after the second solenoid directional control valve 2b, pressure oil in the second oil hydraulic pump 13b first selector valve 17 of flowing through, after one-way valve 9 and the second unidirectional shutoff valve 8b, enter hoist cylinder 7 rod chambers, hoist cylinder 7 bounces back.
The working principle of folding oil cylinder 10 is as follows:
Press second handle 30 the 3rd button 301, the first solenoid directional control valve 2a, the second solenoid directional control valve 2b, the 4th solenoid directional control valve 3b and the 5th solenoid directional control valve 4 are switched on, pioneer pump 14 is started working, pressure oil enters the second selector valve 18 in main valve 12 through the first solenoid directional control valve 2a, simultaneously, pressure oil in pioneer pump 14 is controlled the second switching valve 5b commutation after the second solenoid directional control valve 2b, pressure oil in the first oil hydraulic pump 13a enters the rodless cavity of folding oil cylinder 10 after the second selector valve 18, flow divider-combiner 11, and folding oil cylinder 10 stretches out.
Press the 4th button 302 of second handle 30, the first solenoid directional control valve 2a, the second solenoid directional control valve 2b, the 4th solenoid directional control valve 3b and the 5th solenoid directional control valve 4 are switched on, pioneer pump 14 is started working, pressure oil enters the second selector valve 18 in main valve 12 through the first solenoid directional control valve 2a, simultaneously, pressure oil in pioneer pump 14 is controlled the second switching valve 5b commutation after the second solenoid directional control valve 2b, pressure oil in the first oil hydraulic pump 13a enters folding oil cylinder 10 rod chambers after the second selector valve 18, and folding oil cylinder 10 is retracted.
The disintegrating machine hydraulic system of said structure, advantage specific as follows:
First, cost is low.The disintegrating machine hydraulic system of said structure is developed and is formed on the basis of existing excavator hydraulic system, and compared with the disintegrating machine hydraulic system of current use, cost is relatively cheap, more easily promotes the use on a large scale.
Secondly, maintenance and maintenance are convenient.The disintegrating machine hydraulic system of said structure, adheres to the hydraulic system of hydraulic system with respect to current use, has greatly simplified the quantity of hydraulic pipe line, and pipe-line layout is more attractive in appearance, maintains and overhaul more convenient.
Again, this versatility is good.The disintegrating machine hydraulic system of said structure, with respect to the hydraulic system of current use, universal component is more, and therefore, versatility is good, and while changing component, cost is lower.
In addition, the present invention also proposes a kind of disintegrating machine, comprise first handle 20, second handle 30 and disintegrating machine hydraulic system, described first handle 20, described second handle 30 are respectively used to control hoist cylinder 7 and the folding oil cylinder 10 in described disintegrating machine hydraulic system, and described disintegrating machine hydraulic system is hydraulic system as above.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a disintegrating machine hydraulic system, comprises main hydraulic system and adheres to hydraulic system, described main hydraulic system and described in adhere to hydraulic system and be communicated with, it is characterized in that:
Described main hydraulic system comprises oil hydraulic pump, pioneer pump (14), main valve (12), pilot valve and motor;
The described hydraulic system of adhering to comprises oil cylinder, switching valve and solenoid directional control valve;
Described oil hydraulic pump is communicated with main valve (12), and described oil hydraulic pump, pioneer pump (14) are communicated with described pilot valve and solenoid directional control valve, and described switching valve is communicated with oil cylinder.
2. disintegrating machine hydraulic system according to claim 1, it is characterized in that, described solenoid directional control valve comprises the first solenoid directional control valve (2a), the second solenoid directional control valve (2b), the 3rd solenoid directional control valve (3a) and the 4th solenoid directional control valve (3b), described the second solenoid directional control valve (2b) is communicated with described the 4th solenoid directional control valve (3a), and described the first solenoid directional control valve (2b) is communicated with described the 3rd solenoid directional control valve (3a).
3. disintegrating machine hydraulic system according to claim 2, it is characterized in that, described pilot valve comprises the first pilot valve (1a) and the second pilot valve (1b), described the first pilot valve (1a) is communicated with described the second pilot valve (1b), described the first pilot valve (1a) is also communicated with the first solenoid directional control valve (2a), and described the second pilot valve (1b) is also communicated with described the second solenoid directional control valve (2b).
4. disintegrating machine hydraulic system according to claim 2, it is characterized in that, described switching valve comprises the first switching valve (5a) and the second switching valve (5b), described oil cylinder comprises hoist cylinder (7) and folding oil cylinder (10), described hoist cylinder (7) and described folding oil cylinder (10) include rod chamber and rodless cavity, described rod chamber and described rodless cavity are equipped with hydraulic fluid port, and the hydraulic fluid port of described hoist cylinder (7), folding oil cylinder (10) is communicated with the first switching valve (5a) and described the second switching valve (5b) respectively.
5. disintegrating machine hydraulic system according to claim 4, it is characterized in that, the quantity of described hoist cylinder (7) is two, is also provided with the first one-way throttle valve (8a) and the second one-way throttle valve (8b) on the pipeline between described the first switching valve (5a) and described hoist cylinder (7).
6. disintegrating machine hydraulic system according to claim 4, it is characterized in that, the quantity of described folding oil cylinder (10) is two, on the pipeline between described the second switching valve (5b) and described folding oil cylinder (10), is also provided with flow divider-combiner (11).
7. disintegrating machine hydraulic system according to claim 4, it is characterized in that, described motor comprises the first motor (6a) and the second motor (6b), the two ends of described the first motor (6a) are communicated with described the first switching valve (5a), and the two ends of described the second motor (6b) are communicated with described the second switching valve (5b).
8. disintegrating machine hydraulic system according to claim 1, it is characterized in that, described main valve (12) comprises the first selector valve (17) and the second selector valve (18), described the first selector valve (17) is communicated with described the first switching valve (5a) and described the second solenoid directional control valve (2b), and described the second selector valve (18) is communicated with the second switching valve (5b) and the first solenoid directional control valve (2a).
9. disintegrating machine hydraulic system according to claim 4, is characterized in that, described the first solenoid directional control valve (2a) and the second solenoid directional control valve (2b) are that two six energising magnetic change valve; Described the 3rd solenoid directional control valve (3a) and described the 4th solenoid directional control valve (3b) are 3-position 4-way solenoid directional control valve; Described the first switching valve (5a) and described the second switching valve (5b) are two six direction changeover valves; Described the first selector valve (17) and described the second selector valve (18) are three six-way transfer valves.
10. a disintegrating machine, comprise first handle (20), second handle (30) and disintegrating machine hydraulic system, described first handle (20), described second handle (30) are respectively used to control hoist cylinder (7) and the folding oil cylinder (10) in described disintegrating machine hydraulic system, it is characterized in that, described disintegrating machine hydraulic system is the hydraulic system described in any one in claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310353958.4A CN104088832B (en) | 2013-08-14 | 2013-08-14 | A kind of disintegrating machine hydraulic system and disintegrating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310353958.4A CN104088832B (en) | 2013-08-14 | 2013-08-14 | A kind of disintegrating machine hydraulic system and disintegrating machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104088832A true CN104088832A (en) | 2014-10-08 |
| CN104088832B CN104088832B (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310353958.4A Expired - Fee Related CN104088832B (en) | 2013-08-14 | 2013-08-14 | A kind of disintegrating machine hydraulic system and disintegrating machine |
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| Country | Link |
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| CN (1) | CN104088832B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104358285A (en) * | 2014-10-30 | 2015-02-18 | 华侨大学 | Energy-saving rotary table driving system of excavator based on dual motors and hydraulic energy accumulator |
| CN109654075A (en) * | 2018-12-07 | 2019-04-19 | 贵州航天特种车有限责任公司 | A kind of walking fluid power system on chassis |
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| CN102852869A (en) * | 2011-06-30 | 2013-01-02 | 日立建机株式会社 | Hydraulic circuit for counterweight attaching/detaching device |
| CN203384146U (en) * | 2013-08-14 | 2014-01-08 | 湖南万容科技股份有限公司 | Disassembling machine hydraulic system and disassembling machine |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002115274A (en) * | 2000-10-06 | 2002-04-19 | Komatsu Ltd | Attachment controller for hydraulic backhoe |
| JP2006089990A (en) * | 2004-09-22 | 2006-04-06 | Hitachi Constr Mach Co Ltd | Construction machine |
| CN101564893A (en) * | 2009-05-25 | 2009-10-28 | 江苏佳成机械有限公司 | Hydraulic drive unit for high-speed continuous hollow blow molding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358285A (en) * | 2014-10-30 | 2015-02-18 | 华侨大学 | Energy-saving rotary table driving system of excavator based on dual motors and hydraulic energy accumulator |
| CN109654075A (en) * | 2018-12-07 | 2019-04-19 | 贵州航天特种车有限责任公司 | A kind of walking fluid power system on chassis |
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| CN104088832B (en) | 2016-12-28 |
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