CN204099303U - A kind of hydraulic system for overhead traveling crane - Google Patents
A kind of hydraulic system for overhead traveling crane Download PDFInfo
- Publication number
- CN204099303U CN204099303U CN201420512030.6U CN201420512030U CN204099303U CN 204099303 U CN204099303 U CN 204099303U CN 201420512030 U CN201420512030 U CN 201420512030U CN 204099303 U CN204099303 U CN 204099303U
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- hydraulic
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Abstract
The utility model provides a kind of hydraulic system for overhead traveling crane, it is characterized in that: comprise filter, fuel tank, oil hydraulic pump, relief valve, pressure gauge, the first branch road, the second branch road, the 3rd branch road composition; Described filter is connected with in-line, on filter, one end connects fuel tank, and the other end is connected with oil hydraulic pump, provides power to system, oil hydraulic pump outlet line is connected with relief valve, pressure gauge, the first branch road, the second branch road, the 3rd branch road respectively, the work of completion system.The advantage that the utility model has and good effect are: the utility model controls the stable of system pressure by relief valve, pressure gauge, the stationarity of overhead traveling crane side-to-side movement is ensure that by the first diverter valve, the second diverter valve, the safety of system not working, under the state such as hovering is ensure that by the first hydraulic lock, the second hydraulic lock, simultaneously, Median Function is selected to be the secondary locking that the 3-position 4-way electro-hydraulic reversing valve of M type ensure that hydraulic system, the safety that native system is accomplished is certainly right.
Description
Technical field
The utility model belongs to hydraulic transmission field, especially relates to a kind of hydraulic system for overhead traveling crane.
Background technique
Along with the development of hydraulics and perfect, in metallurgical, industrial and mineral, adopt the engineering goods of hydraulic work system to get more and more, the application of hydraulics is also in continuous expansion.Hydraulic Power Transmission System is easy to realize revolution, straight line motion owing to having, and element arrangements flexible arrangement is convenient, and can be in operation plurality of advantages such as carrying out stepless speed regulation, applies widely so be obtained in each department of national economy.But at present at home and abroad in industrial and mining enterprise, the power source used of overhead traveling crane is all without hydraulics.On overhead traveling crane, the walking of large and small car is all drive by motor, namely by a motor and the gearbox supporting with it on each road wheel of overhead traveling crane, overhead traveling crane walking is synchronous then by the motor of unified specification and the self balancing principle of motor itself, the hoisting mechanism of overhead traveling crane relies on the gear of powerful motor and large volume, in hoisting process, once have a power failure, then special band-type brake on overhead traveling crane is relied on to prevent the whereabouts of hanging thing.
In different industries, hydraulic system reflects different features, engineering machinery, the reason that press adopts is that structure is simple, output strength is large. and the reason that aviation industry adopts is lightweight, volume is little. and lathe mainly can realize stepless change, easily is automated, and can realize commutation reciprocating advantage frequently.
Simultaneously, compared with conventional machinery transmission, hydraulic system have as required convenient, arrange each element flexibly, lightweight, volume is little, motional inertia is little, the speed of response of hydraulic actuator is higher, can high-speed starting, braking is with reverse, its moment-ratio of inertias is also comparatively large simultaneously, and thus its accelerating ability is stronger; Hydraulic transmission easily realizes stepless speed regulation, has the advantages such as self-lubrication.
Model utility content
Problem to be solved in the utility model overcomes deficiency of the prior art, provides a kind of hydraulic system for overhead traveling crane, can accomplish that volume structure is little, working efficiency is higher, simultaneously also safer overhead traveling crane.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of hydraulic system for overhead traveling crane, is characterized in that, comprises filter, fuel tank, oil hydraulic pump, relief valve, pressure gauge, the first branch road, the second branch road, the 3rd branch road; Described filter one end connects fuel tank by in-line, and the other end is connected with oil hydraulic pump, and oil hydraulic pump outlet line is provided with relief valve, pressure gauge, and described first branch road, the second branch road, the 3rd branch road are connected and are connected in outlet line.Concrete, described first branch road comprises the first electro-hydraulic reversing valve, the first hydraulic lock, oil hydraulic cylinder, oil hydraulic cylinder is double-acting hydraulic cylinder, and the two ends of described first electro-hydraulic reversing valve are connected to oil hydraulic pump and the first hydraulic lock respectively, then are connected to oil hydraulic cylinder by the first hydraulic lock.Described second branch road comprises the second electro-hydraulic reversing valve, the first diverter valve, the second diverter valve, the first motor, the second motor, described first motor, the second motor are connected in parallel, the filler opening of the second electro-hydraulic reversing valve is connected to oil hydraulic pump, oil outlet connects the first diverter valve, the second diverter valve, first diverter valve be connected to the first motor and the second motor filler opening, the second diverter valve is connected on the oil outlet of the first motor and the second motor.Concrete, described 3rd branch road comprises the 3rd electro-hydraulic reversing valve, the second hydraulic lock, the 3rd motor, the two ends of described 3rd electro-hydraulic reversing valve are connected to oil hydraulic pump and the second hydraulic lock respectively, then are connected to the 3rd motor by the second hydraulic lock, and oil hydraulic motor is for connecting the winch of overhead traveling crane.
Concrete, described first electro-hydraulic reversing valve is the solenoid valve of a Median Function M type, and the first hydraulic lock is by the combination brake switch and proporting of two Pilot operated check valves.
Concrete, described first hydraulic lock, the second hydraulic lock are by the combination brake switch and proporting of two Pilot operated check valves.
The advantage that the utility model has and good effect are: the utility model controls the stable of system pressure by relief valve, pressure gauge, the stationarity of overhead traveling crane side-to-side movement is ensure that by the first diverter valve, the second diverter valve, the safety of system not working, under the state such as hovering is ensure that by the first hydraulic lock, the second hydraulic lock, simultaneously, Median Function is selected to be the secondary locking that the 3-position 4-way electro-hydraulic reversing valve of M type ensure that hydraulic system, native system is accomplished absolute safety.
Accompanying drawing explanation
Fig. 1 is a kind of hydraulic system principle figure for overhead traveling crane.
In figure: 1 filter, 2 fuel tanks, 3 oil hydraulic pumps, 4 relief valves, 5 pressure gauges, 6 first electro-hydraulic reversing valves, 7 second electro-hydraulic reversing valves, 8 the 3rd electro-hydraulic reversing valves, 9 second hydraulic lock, 10 the 3rd motors, 11 first diverter valves, 12 second motors, 13 first motors, 14 first hydraulic lock, 15 oil hydraulic cylinders, 16 second diverter valves
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.
For a hydraulic system for overhead traveling crane, it is characterized in that, comprise filter 1, fuel tank 2, oil hydraulic pump 3, relief valve 4, pressure gauge 5, first branch road, the second branch road, the 3rd branch road; Described filter 1 is connected with in-line, on filter 1, one end connects fuel tank 2, and the other end is connected with oil hydraulic pump 3, provides power to system, oil hydraulic pump 3 outlet line is connected with relief valve 4, pressure gauge 5, first branch road, the second branch road, the 3rd branch road respectively, the work of completion system.
First branch road comprises the first electro-hydraulic reversing valve 6, first hydraulic lock 14, oil hydraulic cylinder 15, first electro-hydraulic reversing valve 6 is solenoid valves of a Median Function M type, first hydraulic lock 14 is the combination brake switch and proporting combined by two Pilot operated check valves, oil hydraulic cylinder 15 is double-acting hydraulic cylinder, the two ends of the first electro-hydraulic reversing valve 6 are connected to oil hydraulic pump 3 and the first hydraulic lock 14 respectively, be connected to oil hydraulic cylinder 15 by the first hydraulic lock 14 again, oil hydraulic cylinder 15 connection leg, overhead traveling crane entirety can be moved up and down.
Second branch road comprises the second electro-hydraulic reversing valve 7, first diverter valve 16, second diverter valve 11, first motor 13, second motor 12, first motor 13, second motor 12 is connected in elevator frame, make winch can follow the side-to-side movement of elevator frame, described first motor 13, second motor 12 is connected in parallel, first diverter valve 16, second diverter valve 11 is connected to two and enters, on oil outlet, the two ends of the second electro-hydraulic reversing valve 7 are connected to oil hydraulic pump 3 and the first diverter valve 16 respectively, second diverter valve 11, enter, the first diverter valve 16 on vent line, second diverter valve 11 is being connected with the second electro-hydraulic reversing valve 7 respectively, by the first diverter valve 16, second diverter valve 11 enables the side-to-side movement of travelling overhead crane winding machine more balance.
3rd branch road comprises the 3rd electro-hydraulic reversing valve 8, second hydraulic lock 9, 3rd motor 10, 3rd motor 10 is for controlling the rotation of winch, it is made to complete the left and right of handling article, 3rd electro-hydraulic reversing valve 8 is solenoid valves of a Median Function M type, second hydraulic lock 9 is by the combination brake switch and proporting of two Pilot operated check valves, the two ends of the 3rd electro-hydraulic reversing valve 8 are connected to oil hydraulic pump 3 second hydraulic lock 9 respectively, the 3rd motor 10 is connected to again by the second hydraulic lock 9, 3rd motor 10 is for connecting the winch of overhead traveling crane, after handling plays article, when need stop in the air, the self-locking of system is realized by the second hydraulic lock 9 and the 3rd electro-hydraulic reversing valve 8, ensure that the safety in work.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (3)
1. for a hydraulic system for overhead traveling crane, it is characterized in that: comprise filter, fuel tank, oil hydraulic pump, relief valve, pressure gauge, the first branch road, the second branch road, the 3rd branch road; Described filter one end connects fuel tank by in-line, and the other end is connected with oil hydraulic pump, and oil hydraulic pump outlet line is provided with relief valve, pressure gauge, and described first branch road, the second branch road, the 3rd branch circuit parallel connection are connected in outlet line;
Described first branch road comprises the first electro-hydraulic reversing valve, the first hydraulic lock, oil hydraulic cylinder, and oil hydraulic cylinder is double-acting hydraulic cylinder, and the two ends of described first electro-hydraulic reversing valve are connected to oil hydraulic pump and the first hydraulic lock respectively, then are connected to oil hydraulic cylinder by the first hydraulic lock;
Described second branch road comprises the second electro-hydraulic reversing valve, the first diverter valve, the second diverter valve, the first motor, the second motor, described first motor, the second motor are connected in parallel, the filler opening of the second electro-hydraulic reversing valve is connected to oil hydraulic pump, oil outlet connects the first diverter valve, the second diverter valve, first diverter valve be connected to the first motor and the second motor filler opening, the second diverter valve is connected on the oil outlet of the first motor and the second motor;
Described 3rd branch road comprises the 3rd electro-hydraulic reversing valve, the second hydraulic lock, the 3rd motor, and the 3rd electro-hydraulic reversing valve two ends are connected to oil hydraulic pump and the second hydraulic lock respectively, then is connected to the 3rd motor by the second hydraulic lock, and the 3rd motor connects the winch of overhead traveling crane.
2. a kind of hydraulic system for overhead traveling crane according to claim 1, is characterized in that: the first electro-hydraulic reversing valve, the second electro-hydraulic reversing valve, the 3rd electro-hydraulic reversing valve are the solenoid valves of Median Function M type.
3. a kind of hydraulic system for overhead traveling crane according to claim 1, is characterized in that: described first hydraulic lock, the second hydraulic lock are the combination brake switch and proporting combined by two Pilot operated check valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420512030.6U CN204099303U (en) | 2014-09-05 | 2014-09-05 | A kind of hydraulic system for overhead traveling crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420512030.6U CN204099303U (en) | 2014-09-05 | 2014-09-05 | A kind of hydraulic system for overhead traveling crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204099303U true CN204099303U (en) | 2015-01-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420512030.6U Expired - Fee Related CN204099303U (en) | 2014-09-05 | 2014-09-05 | A kind of hydraulic system for overhead traveling crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204099303U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194436A (en) * | 2017-12-27 | 2018-06-22 | 沪东重机有限公司 | High-power diesel engine cylinder cap air valve assembling clamps overturning system with hydraulic control |
| CN109142110A (en) * | 2018-08-02 | 2019-01-04 | 河北工业大学 | Contact fatigue test hydraulic loading system |
-
2014
- 2014-09-05 CN CN201420512030.6U patent/CN204099303U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194436A (en) * | 2017-12-27 | 2018-06-22 | 沪东重机有限公司 | High-power diesel engine cylinder cap air valve assembling clamps overturning system with hydraulic control |
| CN109142110A (en) * | 2018-08-02 | 2019-01-04 | 河北工业大学 | Contact fatigue test hydraulic loading system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 Termination date: 20150905 |
|
| EXPY | Termination of patent right or utility model |