CN114312299A - Hydro-pneumatic suspension vibration energy recovery system, recovery method and engineering vehicle - Google Patents
Hydro-pneumatic suspension vibration energy recovery system, recovery method and engineering vehicle Download PDFInfo
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- CN114312299A CN114312299A CN202210072133.4A CN202210072133A CN114312299A CN 114312299 A CN114312299 A CN 114312299A CN 202210072133 A CN202210072133 A CN 202210072133A CN 114312299 A CN114312299 A CN 114312299A
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Abstract
The invention discloses an oil gas suspension vibration energy recovery system and an engineering vehicle, which comprise a middle axle oil gas suspension cylinder, a rear axle oil gas suspension cylinder and a rectification recovery system; the middle axle oil gas suspension cylinder is arranged at a middle axle of the engineering vehicle; the rear axle oil gas suspension cylinder is arranged at the rear axle of the engineering vehicle; the rectification recovery system consists of a rectification bridge and an energy conversion system, wherein the rectification bridge is connected with the energy conversion module through a hydraulic oil pipe on one hand, and the hydraulic oil pipe on the other hand is respectively connected with the output ends of the middle bridge oil gas suspension cylinder and the rear bridge oil gas suspension cylinder. The invention realizes that the engineering vehicle converts kinetic energy into electric energy when vibrating up and down on a complex pavement in a mining area, effectively realizes the recovery of vibration energy, and can effectively reduce the heat of hydraulic oil in the oil-gas suspension cylinder and prolong the service life of the oil-gas suspension cylinder.
Description
Technical Field
The invention relates to a vibration energy recovery system, in particular to an oil gas suspension vibration energy recovery system, and belongs to the field of engineering machinery.
Background
The mining dump truck is one of key devices in open-pit mining and large-scale earthwork construction, at present, in the actual operation process of a mining area, the road surface gully is more, the use frequency and the motion amplitude of an oil-gas suspension system are larger, and a part of mechanical energy is converted into internal energy of hydraulic oil as a result of mechanical motion, so that the temperature of the hydraulic oil in a hydraulic pipeline is increased, and the temperature is increased, so that the quality of the hydraulic oil is reduced, the service life of an oil-gas suspension cylinder is shortened, and the waste of impact energy is avoided.
Disclosure of Invention
The oil-gas suspension vibration energy recovery system provided by the invention can convert kinetic energy into electric energy when the engineering vehicle vibrates up and down on a complex pavement in a mining area, effectively recover vibration energy, effectively reduce the heat of hydraulic oil in the oil-gas suspension cylinder and prolong the service life of the oil-gas suspension cylinder.
The invention is realized according to the following technical scheme:
the invention discloses an oil gas suspension vibration energy recovery system, which comprises a middle bridge oil gas suspension cylinder, a rear bridge oil gas suspension cylinder and a rectification recovery system, wherein the middle bridge oil gas suspension cylinder is connected with the rear bridge oil gas suspension cylinder; the middle axle oil gas suspension cylinder is arranged at a middle axle of the engineering vehicle; the rear axle oil gas suspension cylinder is arranged at the rear axle of the engineering vehicle; the rectification recovery system consists of a rectification bridge and an energy conversion system, wherein the rectification bridge is connected with the energy conversion module through a hydraulic oil pipe on one hand, and the hydraulic oil pipe on the other hand is respectively connected with the output ends of the middle bridge oil gas suspension cylinder and the rear bridge oil gas suspension cylinder.
The preferable scheme is as follows: the rectifier bridge is composed of a plurality of one-way valves.
The preferable scheme is as follows: the rectifier bridge comprises check valve I, check valve II, check valve III, check valve IV.
The preferable scheme is as follows: an oil inlet of the one-way valve I and an oil outlet of the one-way valve III are respectively connected with the output end of the rear axle oil gas suspension cylinder; an oil inlet of the one-way valve II and an oil outlet of the one-way valve IV are respectively connected with the output end of the middle axle oil gas suspension cylinder; the oil outlet of the one-way valve I is connected with the oil outlet of the one-way valve II; and an oil inlet of the one-way valve III is connected with an oil inlet of the one-way valve IV.
The preferable scheme is as follows: the energy conversion module consists of a hydraulic motor, an overrunning clutch, a direct current generator and a storage battery; the hydraulic motor is connected to the middle branch of the rectifier bridge through a hydraulic oil pipe, the direct current generator is connected with an output shaft of the hydraulic motor through the overrunning clutch, and the storage battery is connected with the output end of the generator through a lead to complete energy recovery and storage.
The invention also discloses an oil gas suspension vibration energy recovery method, which comprises the following steps:
the middle axle oil gas suspension cylinder and the rear axle oil gas suspension cylinder are respectively positioned at a middle axle and a rear axle of the vehicle;
the rectification recovery system is respectively connected with the output ends of the oil gas suspension cylinders of the middle bridge and the rear bridge through hydraulic oil pipes; the rectification recovery system consists of a rectifier bridge and an energy conversion system;
the rectifier bridge is composed of a one-way valve I, a one-way valve II, a one-way valve III and a one-way valve IV, the rectifier bridge is respectively connected with the output ends of the middle bridge oil gas suspension cylinder and the rear bridge oil gas suspension cylinder through hydraulic oil pipes, and hydraulic oil flowing through the middle branch is changed into one-way flow from two-way flow;
when the middle axle oil gas suspension cylinder is compressed, the control hydraulic oil can respectively flow through the one-way valve I, the hydraulic motor oil inlet and the one-way valve IV and finally flow to the rear axle oil gas suspension cylinder; when the rear axle oil gas suspension cylinder is compressed, the control hydraulic oil can respectively flow through the check valve II, the hydraulic motor oil inlet and the check valve III and finally flow to the middle axle oil gas suspension cylinder.
The preferable scheme is as follows: the energy conversion module consists of a hydraulic motor, an overrunning clutch, a direct current generator and a storage battery; the direct current generator is connected with an output shaft of the hydraulic motor through the overrunning clutch, and the storage battery is connected with the output end of the generator through a lead to complete energy recovery.
The preferable scheme is as follows: when a vehicle runs on a road with more gullies, when a rear wheel is excited by the road to generate vibration impact, the rear axle oil gas suspension cylinder is compressed, hydraulic oil in the suspension cylinder flows through the check valve I, the hydraulic motor and the check valve IV respectively, and finally flows to the middle axle oil gas suspension cylinder; the hydraulic oil flowing through the hydraulic motor drives the output shaft of the hydraulic motor to rotate, then drives the direct current generator to rotate through the overrunning clutch, and the generated electric energy is stored through the storage battery connected with the direct current generator, so that the vibration impact energy caused by the road surface excitation is converted into the electric energy, and the energy recovery is realized.
The preferable scheme is as follows: when a vehicle runs on a road with more gullies and the middle wheel is excited by the road to generate vibration impact, the middle axle oil gas suspension cylinder is compressed, and hydraulic oil in the suspension cylinder respectively flows through the one-way valve II, the hydraulic motor and the one-way valve III and finally flows to the middle axle oil gas suspension cylinder; the hydraulic oil flowing through the hydraulic motor drives the output shaft of the hydraulic motor to rotate, then drives the direct current generator to rotate through the overrunning clutch, and the generated electric energy is stored through the storage battery connected with the direct current generator, so that the vibration impact energy caused by the road surface excitation is converted into the electric energy, and the energy recovery is realized.
The invention also discloses an engineering vehicle which is provided with the oil-gas suspension vibration energy recovery system.
The preferable scheme is as follows: the engineering vehicle comprises a mining dump truck.
The invention has the beneficial effects that:
the vibration energy of the mine car oil gas suspension under the excitation of the displacement of the bumpy road surface is converted into electric energy, and the electric energy is recovered and stored; simple structure can effectively restrain the temperature rise of hydro-pneumatic suspension hydraulic oil simultaneously.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
FIG. 1 is a schematic diagram of an hydro-pneumatic suspension vibration energy recovery system of the present invention;
FIG. 2 is a schematic diagram of a middle axle hydro-pneumatic suspension cylinder-rear axle hydro-pneumatic suspension cylinder branch of the present invention;
fig. 3 is a schematic diagram of a rear axle oil gas suspension cylinder-middle axle oil gas suspension cylinder branch of the vibration energy recovery system of the invention.
The attached drawings are as follows: 1. a rear axle oil gas suspension cylinder; 2. a middle bridge oil gas suspension cylinder; 3. a rectification recovery system; 4. a rectifier bridge; 5. an energy conversion module; 6. a one-way valve I; 7. a one-way valve II; 8. a one-way valve III; 9. a one-way valve IV; 10. a hydraulic motor; 11. an overrunning clutch; 12. a DC generator; 13. and (4) a storage battery.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the hydro-pneumatic suspension vibration energy recovery system comprises a middle bridge hydro-pneumatic suspension cylinder 2, a rear bridge hydro-pneumatic suspension cylinder 1 and a rectification recovery system 3. The middle axle oil gas suspension cylinder 2 and the rear axle oil gas suspension cylinder 1 are respectively positioned at the middle axle and the rear axle of the mine car, and the rectification recovery system 3 is respectively connected with the output ends of the middle axle oil gas suspension cylinder 2 and the rear axle oil gas suspension cylinder 1 through hydraulic oil pipes. The rectification recovery system 3 is composed of a rectification bridge 4 and an energy conversion module 5, wherein the rectification bridge 4 is connected with the energy conversion module 5 through a hydraulic oil pipe on one hand, and the hydraulic oil pipe on the other hand is respectively connected with the output ends of the middle bridge oil gas suspension cylinder 2 and the rear bridge oil gas suspension cylinder 1.
Further scheme: the rectifier bridge 4 is constituted by a plurality of check valves.
The preferable scheme is as follows: the number of the check valves is four, the check valve I6, the check valve II 7, the check valve III 8 and the check valve IV 9 are connected through hydraulic pipelines to form a rectifier bridge, the rectifier bridge 4 is respectively connected with the output ends of the middle axle oil gas suspension cylinder 2 and the rear axle oil gas suspension cylinder 1 through hydraulic oil pipes, and hydraulic oil flowing through the middle branch is changed into unidirectional flow from bidirectional flow.
Further scheme: the energy conversion module 5 consists of a hydraulic motor 10, an overrunning clutch 11, a direct current generator 12 and a storage battery 13; the hydraulic motor 10 is connected to the middle branch of the rectifier bridge 4 through a hydraulic oil pipe, and when the middle bridge oil gas suspension cylinder 2 is compressed, hydraulic oil is controlled to flow through a check valve I6, a hydraulic motor oil inlet and a check valve IV 9 respectively and finally flow to the rear bridge oil gas suspension cylinder 1; the check valve II 7 and the check valve III 8 are arranged on the same branch, and when the rear axle oil gas suspension cylinder 1 is compressed, hydraulic oil is controlled to flow through the check valve II 7, an oil inlet of the hydraulic motor and the check valve III 8 respectively and finally flow to the middle axle oil gas suspension cylinder 2; the direct current generator 12 is connected with an output shaft of the hydraulic motor through the overrunning clutch 11, and the storage battery 13 is connected with the output end of the direct current generator 12 through a lead to finish energy recovery and storage.
The following will further explain the specific implementation process of the present invention with reference to fig. 2 and 3:
as shown in fig. 2, when the mining dump truck runs on a road with a lot of gullies, when the rear wheels are excited by the road to generate vibration impact, the rear axle oil gas suspension cylinder 1 is compressed, and hydraulic oil in the suspension cylinder respectively flows through the check valve i 6, the hydraulic motor 10 and the check valve iv 9, and finally flows to the middle axle oil gas suspension cylinder 2. The hydraulic oil flowing through the hydraulic motor 10 drives the output shaft of the hydraulic motor to rotate, then drives the direct current generator 12 to rotate through the overrunning clutch 11, and stores the generated electric energy through the storage battery 13 connected with the direct current generator 12, so that the vibration impact energy caused by the road excitation is converted into the electric energy, and the energy recovery is realized.
As shown in fig. 3, when the mining dump truck travels on a road with a lot of gullies and the middle wheel is excited by the road to generate vibration impact, the middle axle oil gas suspension cylinder 2 is compressed, and hydraulic oil in the suspension cylinder respectively flows through the check valve ii 7, the hydraulic motor 10 and the check valve iii 8 and finally flows to the middle axle oil gas suspension cylinder 1. The hydraulic oil flowing through the hydraulic motor 10 drives the output shaft of the hydraulic motor to rotate, then drives the direct current generator 12 to rotate through the overrunning clutch 11, and stores the generated electric energy through the storage battery 13 connected with the direct current generator 12, so that the vibration impact energy caused by the road excitation is converted into the electric energy, and the energy recovery is realized.
In conclusion, the invention realizes that the engineering vehicle converts kinetic energy into electric energy when vibrating up and down on a complex pavement in a mining area, effectively realizes the recovery of vibration energy, and can effectively reduce the heat of hydraulic oil in the oil-gas suspension cylinder and prolong the service life of the oil-gas suspension cylinder.
The invention also discloses an engineering vehicle which is provided with the oil-gas suspension vibration energy recovery system.
The preferable scheme is as follows: the engineering vehicle comprises a mining dump truck.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An hydro-pneumatic suspension vibration energy recovery system, comprising:
the middle axle oil gas suspension cylinder is arranged at a middle axle of the engineering vehicle;
the rear axle oil gas suspension cylinder is arranged at the rear axle of the engineering vehicle;
the rectification recovery system consists of a rectification bridge and an energy conversion system, wherein the rectification bridge is connected with the energy conversion module through a hydraulic oil pipe on one hand, and the hydraulic oil pipe on the other hand is respectively connected with the output ends of the middle bridge oil gas suspension cylinder and the rear bridge oil gas suspension cylinder.
2. The hydro-pneumatic suspension vibration energy recovery system of claim 1 wherein:
the rectifier bridge is composed of a plurality of one-way valves.
3. The hydro-pneumatic suspension vibration energy recovery system of claim 2 wherein:
the rectifier bridge comprises check valve I, check valve II, check valve III, check valve IV.
4. The hydro-pneumatic suspension vibration energy recovery system of claim 3 wherein:
an oil inlet of the one-way valve I and an oil outlet of the one-way valve III are respectively connected with the output end of the rear axle oil gas suspension cylinder;
an oil inlet of the one-way valve II and an oil outlet of the one-way valve IV are respectively connected with the output end of the middle axle oil gas suspension cylinder;
the oil outlet of the one-way valve I is connected with the oil outlet of the one-way valve II;
and an oil inlet of the one-way valve III is connected with an oil inlet of the one-way valve IV.
5. The hydro-pneumatic suspension vibration energy recovery system of claim 1 wherein:
the energy conversion module consists of a hydraulic motor, an overrunning clutch, a direct current generator and a storage battery;
the hydraulic motor is connected to the middle branch of the rectifier bridge through a hydraulic oil pipe, the direct current generator is connected with an output shaft of the hydraulic motor through the overrunning clutch, and the storage battery is connected with the output end of the generator through a lead to complete energy recovery and storage.
6. An oil gas suspension vibration energy recovery method is characterized in that:
the middle axle oil gas suspension cylinder and the rear axle oil gas suspension cylinder are respectively positioned at a middle axle and a rear axle of the vehicle;
the rectification recovery system is respectively connected with the output ends of the oil gas suspension cylinders of the middle bridge and the rear bridge through hydraulic oil pipes; the rectification recovery system consists of a rectifier bridge and an energy conversion system;
the rectifier bridge is composed of a one-way valve I, a one-way valve II, a one-way valve III and a one-way valve IV, the rectifier bridge is respectively connected with the output ends of the middle bridge oil gas suspension cylinder and the rear bridge oil gas suspension cylinder through hydraulic oil pipes, and hydraulic oil flowing through the middle branch is changed into one-way flow from two-way flow;
when the middle axle oil gas suspension cylinder is compressed, the control hydraulic oil can respectively flow through the one-way valve I, the hydraulic motor oil inlet and the one-way valve IV and finally flow to the rear axle oil gas suspension cylinder; when the rear axle oil gas suspension cylinder is compressed, the control hydraulic oil can respectively flow through the check valve II, the hydraulic motor oil inlet and the check valve III and finally flow to the middle axle oil gas suspension cylinder.
7. The hydro-pneumatic suspension vibration energy recovery method of claim 6 wherein:
the energy conversion module consists of a hydraulic motor, an overrunning clutch, a direct current generator and a storage battery;
the direct current generator is connected with an output shaft of the hydraulic motor through the overrunning clutch, and the storage battery is connected with the output end of the generator through a lead to complete energy recovery.
8. The hydro-pneumatic suspension vibration energy recovery method of claim 7 wherein:
when a vehicle runs on a road with more gullies, when a rear wheel is excited by the road to generate vibration impact, the rear axle oil gas suspension cylinder is compressed, hydraulic oil in the suspension cylinder flows through the check valve I, the hydraulic motor and the check valve IV respectively, and finally flows to the middle axle oil gas suspension cylinder; the hydraulic oil flowing through the hydraulic motor drives the output shaft of the hydraulic motor to rotate, then drives the direct current generator to rotate through the overrunning clutch, and the generated electric energy is stored through the storage battery connected with the direct current generator, so that the vibration impact energy caused by the road surface excitation is converted into the electric energy, and the energy recovery is realized.
9. The hydro-pneumatic suspension vibration energy recovery method of claim 7 wherein:
when a vehicle runs on a road with more gullies and the middle wheel is excited by the road to generate vibration impact, the middle axle oil gas suspension cylinder is compressed, and hydraulic oil in the suspension cylinder respectively flows through the one-way valve II, the hydraulic motor and the one-way valve III and finally flows to the middle axle oil gas suspension cylinder; the hydraulic oil flowing through the hydraulic motor drives the output shaft of the hydraulic motor to rotate, then drives the direct current generator to rotate through the overrunning clutch, and the generated electric energy is stored through the storage battery connected with the direct current generator, so that the vibration impact energy caused by the road surface excitation is converted into the electric energy, and the energy recovery is realized.
10. A work vehicle, characterized in that:
the hydro-pneumatic suspension vibration energy recovery system of any of claims 1 to 5 is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210072133.4A CN114312299A (en) | 2022-01-21 | 2022-01-21 | Hydro-pneumatic suspension vibration energy recovery system, recovery method and engineering vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210072133.4A CN114312299A (en) | 2022-01-21 | 2022-01-21 | Hydro-pneumatic suspension vibration energy recovery system, recovery method and engineering vehicle |
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| CN114312299A true CN114312299A (en) | 2022-04-12 |
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| CN202210072133.4A Pending CN114312299A (en) | 2022-01-21 | 2022-01-21 | Hydro-pneumatic suspension vibration energy recovery system, recovery method and engineering vehicle |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929520A (en) * | 2010-08-11 | 2010-12-29 | 武汉理工大学 | Electrohydraulic energy regenerative vibration absorber |
| CN104373497A (en) * | 2014-10-17 | 2015-02-25 | 武汉理工大学 | Parallel-connection liquid-electricity feed suspension system |
| CN106183686A (en) * | 2016-08-01 | 2016-12-07 | 江苏大学 | A kind of oil gas actively interconnects energy regenerative suspension |
| CN210733738U (en) * | 2019-08-27 | 2020-06-12 | 武汉科技大学 | Energy feedback type hydraulic suspension for hub motor driven automobile |
-
2022
- 2022-01-21 CN CN202210072133.4A patent/CN114312299A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929520A (en) * | 2010-08-11 | 2010-12-29 | 武汉理工大学 | Electrohydraulic energy regenerative vibration absorber |
| CN104373497A (en) * | 2014-10-17 | 2015-02-25 | 武汉理工大学 | Parallel-connection liquid-electricity feed suspension system |
| CN106183686A (en) * | 2016-08-01 | 2016-12-07 | 江苏大学 | A kind of oil gas actively interconnects energy regenerative suspension |
| CN210733738U (en) * | 2019-08-27 | 2020-06-12 | 武汉科技大学 | Energy feedback type hydraulic suspension for hub motor driven automobile |
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