CN212584037U - Hydraulic system and vehicle with same - Google Patents
Hydraulic system and vehicle with same Download PDFInfo
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- CN212584037U CN212584037U CN202020716570.1U CN202020716570U CN212584037U CN 212584037 U CN212584037 U CN 212584037U CN 202020716570 U CN202020716570 U CN 202020716570U CN 212584037 U CN212584037 U CN 212584037U
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Abstract
The utility model discloses a hydraulic system, include: a drive motor; the oil pump is fixedly connected with an output shaft of the driving motor and is provided with an input port and an output port; a tank having a first port and a second port, the first port in communication with the input port; the reversing valve is provided with a first state and a second state, the reversing valve is provided with an oil return port, a first oil port and a second oil port, the oil return port is communicated with the second port of the oil tank, and the first oil port is communicated with the output port; when the reversing valve is in a first state, the first oil port is communicated with the second oil port; when the reversing valve is in a second state, the oil return port is communicated with the second oil port; the hydraulic oil cylinder comprises a cylinder body and a piston rod which is telescopically arranged in the cylinder body, and the second oil port is communicated with the cylinder body to drive the piston rod to reciprocate in the cylinder body.
Description
Technical Field
The utility model relates to a vehicle equipment field especially relates to a hydraulic system.
Background
The hydraulic oil cylinder has a telescopic function and controls the cylinder body to jack up or fall back through the pressure of hydraulic oil; moving parts in the machine may be raised or lowered, for example, in a motor vehicle compartment dump. In the prior art, the carriage of the vehicle is self-unloaded through the hydraulic power unit, and the jacking or landing is completed through power supply alone, so that the hydraulic system has the advantages of complex structure, inconvenient control, poor reliability and high maintenance and repair cost.
Disclosure of Invention
In order to solve the problems existing in the prior art, the utility model discloses a hydraulic system is proposed to an aim at, this hydraulic control system simple structure controls the convenience, and the reliability is high, and the maintenance cost is low.
Another object of the present invention is to provide a vehicle having the above hydraulic system.
According to the utility model discloses a hydraulic system of first aspect includes:
a drive motor;
the oil pump is fixedly connected with an output shaft of the driving motor and is provided with an input port and an output port;
a tank having a first port and a second port, the first port in communication with the input port;
the reversing valve is provided with a first state and a second state, the reversing valve is provided with an oil return port, a first oil port and a second oil port, the oil return port is communicated with the second port of the oil tank, and the first oil port is communicated with the output port;
when the reversing valve is in a first state, the first oil port is communicated with the second oil port; when the reversing valve is in a second state, the oil return port is communicated with the second oil port;
the hydraulic oil cylinder comprises a cylinder body and a piston rod which is telescopically arranged in the cylinder body, and the second oil port is communicated with the cylinder body so as to drive the piston rod to reciprocate in the cylinder body;
when the hydraulic oil cylinder needs to do extension movement, the reversing valve is in a first state; when the hydraulic oil cylinder needs to do contraction movement, the reversing valve is in a second state.
When the hydraulic oil cylinder needs to do stretching movement, the reversing valve is in a first state, the driving motor works to drive the oil pump to pump hydraulic oil in the oil tank, the hydraulic oil flows out from a first port of the oil tank, enters the oil pump through the input port and flows out from the output port, and sequentially flows through the first oil port and the second oil port to enter the hydraulic oil cylinder; when the hydraulic oil cylinder needs to do contraction movement, the reversing valve is in a second state, the driving motor stops working, and hydraulic oil in the hydraulic oil cylinder flows back to the oil tank through the second port and the oil return port in sequence; the hydraulic control system is simple in structure, convenient to operate and control, high in reliability and low in maintenance cost.
In addition, according to the utility model discloses a hydraulic system can also have following technical characterstic:
in an example of the present invention, the present invention further includes:
a steering handle configured to be coupled to the directional valve for driving the directional valve to switch between a first state and a second state;
when the hydraulic oil cylinder needs to extend and move, a control handle is controlled to enable the reversing valve to be in a first state; when the hydraulic oil cylinder needs to contract and move, the control handle is operated to enable the reversing valve to be in a second state.
In an example of the present invention, the present invention further includes:
the controller is electrically connected with the reversing valve and the driving motor and is used for controlling the reversing valve to be switched between the first state and the second state;
when the hydraulic oil cylinder needs to extend and move, the controller controls the driving motor to act and controls the reversing valve to be in a first state; when the hydraulic oil cylinder needs to contract and move, the controller controls the driving motor to stop acting and controls the reversing valve to be in a second state.
In an example of the present invention, the direction valve is a two-position three-way solenoid valve.
In an example of the present invention, the present invention further includes:
the speed reducer comprises an input shaft and an output shaft, the input shaft is connected with the driving motor, and the output shaft is connected with the oil pump.
In one example of the present invention, a filter is disposed between the oil tank and the oil pump.
According to the utility model discloses a vehicle of second aspect, but including frame and one end pivot setting carriage on the frame still includes hydraulic system, hydraulic system includes:
the driving motor fixing machine is connected to the frame;
the oil pump is fixedly connected with an output shaft of the driving motor and is provided with an input port and an output port;
a tank having a first port and a second port, the first port in communication with the input port;
the reversing valve is provided with a first state and a second state, the reversing valve is provided with an oil return port, a first oil port and a second oil port, the oil return port is communicated with the second port of the oil tank, and the first oil port is communicated with the output port;
when the reversing valve is in a first state, the first oil port is communicated with the second oil port; when the reversing valve is in a second state, the oil return port is communicated with the second oil port;
the hydraulic oil cylinder comprises a cylinder body hinged with the frame and a piston rod hinged with the carriage and telescopically arranged in the cylinder body, and the second oil port is communicated with the cylinder body to drive the piston rod to reciprocate in the cylinder body so as to lift and fall back the carriage;
when the hydraulic oil cylinder needs to do extension movement, the reversing valve is in a first state; when the hydraulic oil cylinder needs to do contraction movement, the reversing valve is in a second state.
In an example of the present invention, the present invention further includes:
a steering handle configured to be coupled to the directional valve for driving the directional valve to switch between a first state and a second state;
when the carriage needs to be jacked, a control handle is operated to enable the reversing valve to be in a first state; when the carriage needs to fall back, the steering handle is operated to enable the reversing valve to be in the second state.
In an example of the present invention, the present invention further includes:
the speed reducer comprises an input shaft and an output shaft, the input shaft is connected with the driving motor, and the output shaft is connected with the oil pump.
In an example of the present invention, the present invention further includes:
a filter disposed between the oil tank and the oil pump.
The following description of the preferred embodiments of the present invention will be made in detail with reference to the accompanying drawings, so that the features and advantages of the invention can be easily understood.
Drawings
Fig. 1 is a front view of a hydraulic system according to an embodiment of the present invention installed on a vehicle;
fig. 2 is a top view of a hydraulic system according to an embodiment of the present invention installed on a vehicle.
Reference numerals:
a frame 200;
a vehicle compartment 300;
a hydraulic system 100;
a drive motor 110;
an oil pump 120;
an input port 121;
an output port 122;
a fuel tank 130;
a first port 131;
a second port 132;
a direction change valve 140;
a first oil port 141;
a second oil port 142;
an oil return port 143;
a hydraulic ram 150;
a manipulation handle 160;
and a decelerator 170.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The following description is provided with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the invention as defined by the claims. It includes various specific details to assist in this understanding, but these details should be construed as merely exemplary. Accordingly, those of ordinary skill in the art will recognize that changes and modifications may be made to the various embodiments described herein without departing from the scope of the present invention, which is defined by the following claims. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.
It will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present invention are provided for illustration only and not for the purpose of limiting the invention as defined by the appended claims.
Throughout the description and claims of this specification, the words "comprise" and variations of the words, for example "comprising" and "comprises", mean "including but not limited to", and are not intended to (and do not) exclude other components, integers or steps.
Features, integers or characteristics described in conjunction with a particular aspect, embodiment or example of the invention are to be understood to be applicable to any other aspect, embodiment or example described herein unless incompatible therewith.
Although expressions such as "1 st", "2 nd", "first" and "second" may be used to describe the respective elements of the present invention, they are not intended to limit the corresponding elements. For example, the above expressions are not intended to limit the order or importance of the corresponding elements. The above expressions are used to distinguish one element from another.
References herein to "upper", "lower", "left", "right", etc. are merely intended to indicate relative positional relationships, which may change accordingly when the absolute position of the object being described changes.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present specification and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
According to the present invention, a hydraulic system 100, as shown in fig. 1 and 2, comprises:
a drive motor 110;
an oil pump 120, the oil pump 120 being fixedly coupled to an output shaft of the driving motor 110, and the oil pump 120 having an input port 121 and an output port 122;
a tank 130, the tank 130 having a first port 131 and a second port 132, the first port 131 communicating with the input port 121;
a direction-changing valve 140, wherein the direction-changing valve 140 has a first state and a second state, the direction-changing valve 140 has an oil return port 143, a first oil port 141 and a second oil port 142, the oil return port 143 is communicated with the second port 132 of the oil tank 130, and the first oil port 141 is communicated with the output port 122;
when the reversing valve 140 is in the first state, the first oil port 141 is communicated with the second oil port 142; when the reversing valve 140 is in the second state, the oil return port 143 is communicated with the second oil port 142;
the hydraulic oil cylinder 150 comprises a cylinder body and a piston rod telescopically arranged in the cylinder body, and the second oil port 142 is communicated with the cylinder body to drive the piston rod to reciprocate in the cylinder body;
when the hydraulic oil cylinder 150 needs to do extension movement, the reversing valve 140 is in a first state; when a retraction movement of hydraulic ram 150 is required, the diverter valve 140 is placed in the second state.
Specifically, when the hydraulic cylinder 150 needs to make an extending movement, the directional control valve 140 is in a first state, the driving motor 110 operates to drive the oil pump 120 to pump hydraulic oil in the oil tank 130, the hydraulic oil flows out from the first port 131 of the oil tank 130, enters the oil pump 120 through the input port 121, flows out from the output port 122, and sequentially flows through the first oil port 141 and the second oil port 142 to enter the hydraulic cylinder 150; when the hydraulic oil cylinder 150 needs to do contraction movement, the reversing valve 140 is in the second state, the driving motor 110 stops working, and hydraulic oil in the hydraulic oil cylinder 150 sequentially flows back to the oil tank 130 through the second port 132 and the oil return port 143; the hydraulic control system is simple in structure, convenient to operate and control, high in reliability and low in maintenance cost.
In an example of the present invention, the present invention further includes:
a joystick 160 configured to couple to the direction valve 140 for driving the direction valve 140 to switch between a first state and a second state;
when the hydraulic oil cylinder 150 needs to extend, the control handle 160 is operated to enable the reversing valve 140 to be in a first state; when the hydraulic oil cylinder 150 needs to contract, the control handle 160 is operated to enable the reversing valve 140 to be in a second state;
that is, manual adjustment of the directional valve 140 may be accomplished by manipulating the handle 160 such that the directional valve 140 can be toggled between the first state and the second state.
In an example of the present invention, the present invention further includes:
a controller electrically connected to the direction switching valve 140 and the driving motor 110 for controlling the direction switching valve 140 to switch between the first state and the second state;
when the hydraulic oil cylinder 150 needs to extend, the controller controls the driving motor 110 to act and controls the reversing valve 140 to be in a first state; when the hydraulic oil cylinder 150 needs to contract, the controller controls the driving motor 110 to stop acting and controls the reversing valve 140 to be in a second state;
the driving motor 110 and the reversing valve 140 can be conveniently adjusted by the controller, so that the hydraulic oil cylinder 150 can be conveniently lifted and retracted. Preferably, the directional valve 140 is a two-position three-way solenoid valve.
In an example of the present invention, the present invention further includes:
and the reducer 170, wherein the reducer 170 comprises an input shaft and an output shaft, the input shaft is coupled with the driving motor 110, the output shaft is coupled with the oil pump 120, and the reducer 170 is arranged to reduce the rotation speed of the driving motor 110 to adapt to the rotation speed condition of the oil pump 120.
In an example of the present invention, the filter is disposed between the oil tank 130 and the oil pump 120, since the mechanical system can generate impurities, such as metal filings, during the operation process, and these impurities can accelerate the wear of the mechanical structure in the mechanical system, the impurities in the hydraulic system 100 can be filtered out by the filter, so that the hydraulic oil flowing in the system is cleaner, which is beneficial to prolonging the service life of the hydraulic system 100.
According to the utility model discloses a vehicle of second aspect, but including frame 200 and one end pivot setting carriage 300 on the frame 200 still includes hydraulic system 100, hydraulic system 100 includes:
a driving motor 110, wherein the driving motor 110 is fixedly connected to the frame 200;
an oil pump 120, the oil pump 120 being fixedly coupled to an output shaft of the driving motor 110, and the oil pump 120 having an input port 121 and an output port 122;
a fuel tank 130, the fuel tank 130 being coupled to one side of the frame 200, the fuel tank 130 having a first port 131 and a second port 132, the first port 131 communicating with the input port 121;
a direction-changing valve 140, wherein the direction-changing valve 140 has a first state and a second state, the direction-changing valve 140 has an oil return port 143, a first oil port 141 and a second oil port 142, the oil return port 143 is communicated with the second port 132 of the oil tank 130, and the first oil port 141 is communicated with the output port 122;
when the reversing valve 140 is in the first state, the first oil port 141 is communicated with the second oil port 142; when the reversing valve 140 is in the second state, the oil return port 143 is communicated with the second oil port 142;
the hydraulic oil cylinder 150 comprises a cylinder body hinged to the frame 200 and a piston rod hinged to the carriage 300 and telescopically arranged in the cylinder body, and the second oil port 142 is communicated with the cylinder body to drive the piston rod to reciprocate in the cylinder body so as to lift and fall the carriage 300;
when the car 300 needs to be lifted, the reversing valve 140 is in the first state, the driving motor 110 operates to drive the oil pump 120 to pump hydraulic oil in the oil tank 130, the hydraulic oil flows out from the first port 131 of the oil tank 130, enters the oil pump 120 through the input port 121, flows out from the output port 122, sequentially flows through the first oil port 141 and the second oil port 142, and enters the hydraulic oil cylinder 150; when the carriage 300 needs to perform the falling movement, the reversing valve 140 is in the second state, the driving motor 110 stops working, and the hydraulic oil in the hydraulic oil cylinder 150 sequentially flows back to the oil tank 130 through the second port 132 and the oil return port 143; should control the convenience, the transformation cost is lower, and the reliability is high.
In an example of the present invention, the present invention further includes:
a joystick 160 configured to couple to the direction valve 140 for driving the direction valve 140 to switch between a first state and a second state;
when the carriage 300 needs to be lifted, the steering handle 160 is operated to enable the reversing valve 140 to be in a first state; when the carriage 300 needs to fall back, the steering handle 160 is operated to enable the reversing valve 140 to be in the second state.
In an example of the present invention, the present invention further includes:
a reducer 170, the reducer 170 including an input shaft coupled with the driving motor 110 and an output shaft coupled with the oil pump 120.
In an example of the present invention, the present invention further includes:
a filter disposed between the oil tank 130 and the oil pump 120; through setting up the filter can filter the impurity in hydraulic system 100, make the hydraulic oil that flows in the system cleaner, do benefit to the life who prolongs vehicle hydraulic system 100.
The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Those skilled in the art will appreciate that various features of the various embodiments of the invention described hereinabove may be omitted, added to, or combined in any manner accordingly. Moreover, the simple transformation and the solution of adapting and functional structure transformation to the prior art, which can be thought of by those skilled in the art, all belong to the protection scope of the present invention.
While the invention has been shown and described with reference to various embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (10)
1. A hydraulic system, comprising:
a drive motor (110);
an oil pump (120), wherein the oil pump (120) is fixedly coupled with an output shaft of the driving motor (110), and the oil pump (120) is provided with an input port (121) and an output port (122);
a tank (130), the tank (130) having a first port (131) and a second port (132), the first port (131) communicating with the input port (121);
the reversing valve (140) has a first state and a second state, the reversing valve (140) is provided with an oil return port (143), a first oil port (141) and a second oil port (142), the oil return port (143) is communicated with the second port (132) of the oil tank (130), and the first oil port (141) is communicated with the output port (122);
when the reversing valve (140) is in a first state, the first oil port (141) is communicated with the second oil port (142); when the reversing valve (140) is in a second state, the oil return port (143) is communicated with the second oil port (142);
the hydraulic oil cylinder (150) comprises a cylinder body and a piston rod telescopically arranged in the cylinder body, and the second oil port (142) is communicated with the cylinder body so as to drive the piston rod to reciprocate in the cylinder body;
when the hydraulic oil cylinder (150) needs to do extension movement, the reversing valve (140) is in a first state; when the hydraulic oil cylinder (150) needs to do contraction movement, the reversing valve (140) is in a second state.
2. The hydraulic system of claim 1, further comprising:
a joystick (160) configured to be coupled to the directional valve (140) for driving the directional valve (140) between a first state and a second state;
when the hydraulic oil cylinder (150) needs to extend, a control handle (160) is operated to enable the reversing valve (140) to be in a first state; when the hydraulic oil cylinder (150) needs to contract and move, a control handle (160) is operated to enable the reversing valve (140) to be in a second state.
3. The hydraulic system of claim 1, further comprising:
a controller electrically connected with the direction switching valve (140) and the driving motor (110) for controlling the direction switching valve (140) to switch between the first state and the second state;
when the hydraulic oil cylinder (150) needs to extend and move, the controller controls the driving motor (110) to act and controls the reversing valve (140) to be in a first state; when the hydraulic oil cylinder (150) needs to contract, the controller controls the driving motor (110) to stop acting and controls the reversing valve (140) to be in a second state.
4. The hydraulic system of claim 1,
the reversing valve (140) is a two-position three-way electromagnetic valve.
5. The hydraulic system of claim 1, further comprising:
a reducer (170), the reducer (170) including an input shaft coupled with the driving motor (110) and an output shaft coupled with the oil pump (120).
6. The hydraulic system of claim 1, further comprising:
a filter disposed between the oil tank (130) and the oil pump (120).
7. A vehicle comprising a frame (200) and a compartment (300) having one end pivotally disposed on the frame (200), characterized by further comprising a hydraulic system (100), the hydraulic system (100) comprising:
a drive motor (110), the drive motor (110) being fixedly coupled to the frame (200);
an oil pump (120), wherein the oil pump (120) is fixedly coupled with an output shaft of the driving motor (110), and the oil pump (120) is provided with an input port (121) and an output port (122);
a tank (130), the tank (130) having a first port (131) and a second port (132), the first port (131) communicating with the input port (121);
the reversing valve (140) has a first state and a second state, the reversing valve (140) is provided with an oil return port (143), a first oil port (141) and a second oil port (142), the oil return port (143) is communicated with the second port (132) of the oil tank (130), and the first oil port (141) is communicated with the output port (122);
when the reversing valve (140) is in a first state, the first oil port (141) is communicated with the second oil port (142); when the reversing valve (140) is in a second state, the oil return port (143) is communicated with the second oil port (142);
the hydraulic oil cylinder (150) comprises a cylinder body hinged with the frame (200) and a piston rod hinged with the carriage (300) and telescopically arranged in the cylinder body, and the second oil port (142) is communicated with the cylinder body to drive the piston rod to reciprocate in the cylinder body so as to lift and fall the carriage (300);
when the hydraulic oil cylinder (150) needs to do extension movement, the reversing valve (140) is in a first state; when the hydraulic oil cylinder (150) needs to do contraction movement, the reversing valve (140) is in a second state.
8. The vehicle of claim 7, further comprising:
a joystick (160) configured to be coupled to the directional valve (140) for driving the directional valve (140) between a first state and a second state;
when the carriage (300) needs to be lifted, a control handle (160) is operated to enable the reversing valve (140) to be in a first state; when the carriage (300) needs to fall back, the steering handle (160) is operated to enable the reversing valve (140) to be in the second state.
9. The vehicle of claim 7, further comprising:
a reducer (170), the reducer (170) including an input shaft coupled with the driving motor (110) and an output shaft coupled with the oil pump (120).
10. The vehicle of claim 7, further comprising:
a filter disposed between the oil tank (130) and the oil pump (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020716570.1U CN212584037U (en) | 2020-04-30 | 2020-04-30 | Hydraulic system and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020716570.1U CN212584037U (en) | 2020-04-30 | 2020-04-30 | Hydraulic system and vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212584037U true CN212584037U (en) | 2021-02-23 |
Family
ID=74648553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020716570.1U Active CN212584037U (en) | 2020-04-30 | 2020-04-30 | Hydraulic system and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212584037U (en) |
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2020
- 2020-04-30 CN CN202020716570.1U patent/CN212584037U/en active Active
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