CN114083947A - Construction vehicle - Google Patents

Construction vehicle Download PDF

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Publication number
CN114083947A
CN114083947A CN202111394010.4A CN202111394010A CN114083947A CN 114083947 A CN114083947 A CN 114083947A CN 202111394010 A CN202111394010 A CN 202111394010A CN 114083947 A CN114083947 A CN 114083947A
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CN
China
Prior art keywords
air
hydraulic
work vehicle
cylinder
fins
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111394010.4A
Other languages
Chinese (zh)
Inventor
赵明安
于世成
孟祥伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Construction Machinery Group Co Ltd XCMG
Original Assignee
Xuzhou Construction Machinery Group Co Ltd XCMG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xuzhou Construction Machinery Group Co Ltd XCMG filed Critical Xuzhou Construction Machinery Group Co Ltd XCMG
Priority to CN202111394010.4A priority Critical patent/CN114083947A/en
Publication of CN114083947A publication Critical patent/CN114083947A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/002Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load by temperature regulation of the suspension unit, e.g. heat operated systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/06Characteristics of dampers, e.g. mechanical dampers
    • B60G17/08Characteristics of fluid dampers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/02Arrangements of pumps or compressors, or control devices therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/20Type of damper
    • B60G2202/24Fluid damper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2300/00Indexing codes relating to the type of vehicle
    • B60G2300/07Off-road vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/72Cooling or warming means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

The invention relates to an engineering vehicle, comprising: the hydro-pneumatic suspension comprises a hydraulic element, wherein the hydraulic element is configured to provide buffer vibration damping, and the outer wall surface of the hydraulic element is provided with a fin; an air compressor configured to supply compressed air to the hydraulic component to cool the hydraulic component; and the air amplifier is configured to take the compressed air provided by the air compressor as a power source, drive surrounding air to flow so as to form high-pressure and high-speed air flow and provide the air flow to the hydraulic element. The air amplifier takes compressed air provided by the air compressor as a power source to drive surrounding air to flow so as to form high-pressure and high-speed airflow, and the airflow is provided for the hydraulic element, so that the heat dissipation air quantity is increased, and the heat dissipation efficiency is improved; the outer wall surface of the hydraulic element is provided with the fins, heat transfer is carried out through the fins, the heat conduction performance is improved, the heat exchange surface area is increased, and the heat dissipation effect of the oil-gas suspension is improved.

Description

Construction vehicle
Technical Field
The invention relates to the field of engineering machinery, in particular to an engineering vehicle.
Background
For the hydro-pneumatic suspension system on the vehicle, when the vehicle was gone on abominable road surface, hydro-pneumatic suspension calorific capacity can increase fast, only relies on hydraulic component's natural heat dissipation or dispel the heat through the water jacket at present, and the heat-sinking capability is limited, and especially to high-speed cross country vehicle, suspension hydro-cylinder operating frequency is high, and the oil temperature constantly risees, can lead to energy storage ware pressure to rise and promote hydro-pneumatic suspension to rise, and hydraulic oil is because of the high temperature effect viscosity descends, produces hydraulic system seepage easily, influences performance.
Disclosure of Invention
Some embodiments of the invention provide an engineering vehicle for relieving the problem of high temperature of an oil-gas suspension.
In one aspect of the present invention, there is provided a working vehicle including:
the hydro-pneumatic suspension comprises a hydraulic element, wherein the hydraulic element is configured to provide buffer vibration damping, and the outer wall surface of the hydraulic element is provided with fins;
an air compressor configured to supply compressed air to the hydraulic component to cool the hydraulic component; and
and the air amplifier is configured to take the compressed air provided by the air compressor as a power source, drive surrounding air to flow so as to form high-pressure and high-speed air flow and provide the air flow to the hydraulic element.
In some embodiments, the hydraulic component comprises a cylinder, and the outer wall surface of the cylinder is provided with fins.
In some embodiments, the fins include helical fins arranged helically along the axial direction of the cylinder.
In some embodiments, the fin further comprises a rib, the rib is linearly arranged along the axial direction of the oil cylinder, and the rib connects two adjacent fin segments.
In some embodiments, the air amplifier is configured to direct air flow toward the ram at an angle of 45 ° to 135 ° from an axial direction of the ram.
In some embodiments, the hydraulic component comprises a hydraulic line or an accumulator.
In some embodiments, the number of the hydraulic components is at least two, and the air amplifiers respectively provide air flow to one hydraulic component through one branch.
In some embodiments, the work vehicle further comprises a pneumatic brake system configured to actuate the work vehicle, the air compressor further configured to provide compressed air to the pneumatic brake system.
In some embodiments, the work vehicle further comprises:
the air storage cylinder is respectively connected with the air compressor and the air amplifier through pipelines;
the electromagnetic valve is arranged on a pipeline between the air cylinder and the air amplifier;
a temperature sensor configured to detect a temperature of the hydraulic component; and
and the controller is electrically connected with the temperature sensor and the electromagnetic valve, and is configured to receive an actual temperature signal sent by the temperature sensor and compare the actual temperature with a preset temperature in the controller so as to adjust the on-off and opening degree of the electromagnetic valve.
In some embodiments, the air amplifier is provided at the front or top of the work vehicle.
Based on the technical scheme, the invention at least has the following beneficial effects:
in some embodiments, the air amplifier takes compressed air provided by the air compressor as a power source to drive surrounding air to flow so as to form high-pressure and high-speed air flow, and provides the air flow for the hydraulic element, so that the heat dissipation air quantity is increased, and the heat dissipation efficiency is improved; the outer wall surface of the hydraulic element is provided with the fins, heat transfer is carried out through the fins, the heat conduction performance is improved, the heat exchange surface area is increased, and the heat dissipation effect of the oil-gas suspension is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic block diagram of a heat dissipation system for a work vehicle according to some embodiments of the present disclosure;
FIG. 2 is a schematic perspective view of a cylinder with fins of an hydro-pneumatic suspension according to some embodiments of the present invention;
FIG. 3 is a schematic front view of a cylinder with fins on the cylinder for an hydro-pneumatic suspension according to some embodiments of the present invention;
FIG. 4 is a schematic side view of a cylinder with fins on the cylinder of an hydro-pneumatic suspension provided in accordance with some embodiments of the present invention;
fig. 5 is a schematic top view of a cylinder with fins on an hydro-pneumatic suspension provided in accordance with some embodiments of the present invention.
The reference numbers in the drawings illustrate the following:
1, an air compressor; 2-a dryer; 3-an air cylinder; 4-an electromagnetic valve; 5-an air amplifier; 6-a hydraulic component; 61-oil cylinder; 7-a temperature sensor; 8-a controller; 9-a fin; 91-helical fins; 92-ribs.
It should be understood that the dimensions of the various parts shown in the figures are not drawn to scale. Further, the same or similar reference numerals denote the same or similar components.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the invention, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.
The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
In the present invention, when it is described that a specific device is located between a first device and a second device, there may or may not be an intervening device between the specific device and the first device or the second device. When a particular device is described as being coupled to other devices, that particular device may be directly coupled to the other devices without intervening devices or may be directly coupled to the other devices with intervening devices.
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 invention belongs unless specifically defined otherwise. 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 will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
As shown in fig. 1, some embodiments provide a work vehicle including an oil and gas suspension, an air compressor 1, and an air amplifier 5.
The hydro-pneumatic suspension comprises a hydraulic element 6, the hydraulic element 6 is configured to provide damping, and the outer wall surface of the hydraulic element 6 is provided with fins 9.
The air compressor 1 is configured to supply compressed air to the hydraulic component 6 to cool the hydraulic component 6.
The air amplifier 5 is configured to take the compressed air supplied from the air compressor 1 as a power source, to flow ambient air to form a high-pressure, high-speed air flow, and to supply the air flow to the hydraulic component 6.
The oil-gas suspension uses inert gas (nitrogen) as an elastic medium, uses oil as a force transmission medium, compresses the gas and the oil in a closed container, realizes the effect similar to a spring by utilizing the compressibility of the gas, and has the effect of buffering and damping.
The air amplifier 5 uses the wall attachment effect (the principle of the coanda effect) of hydrodynamics, and only uses a small amount of compressed air as a power source to drive surrounding air to flow so as to form high-pressure and high-speed airflow, wherein the flow rate is tens of times of the air consumption.
In the embodiment, an air amplifier 5 is installed on an engineering vehicle, compressed air provided by an air compressor 1 is used as a power source through the air amplifier 5, and peripheral natural air is guided to a hydraulic element 6 with fins 9 in an accelerated dosage manner, so that the increase of the heat dissipation air quantity is realized, and the heat dissipation power is amplified by more than several times with low guide power; the fins 9 are arranged on the outer wall surface of the hydraulic component 6, heat transfer is carried out through the fins 9, the heat conduction performance is improved, and the heat exchange surface area of the hydraulic component 6 is increased; the problem of when high-speed cross-country vehicle bad road surface is gone, the unable thermal balance of oil gas suspension, each item reliability that the oil temperature risees and leads to etc. is effectively solved.
In the embodiment, the fins 9 are arranged on the outer wall surface of the hydraulic element 6, the fins 9 are processed in a mature mode, and the reliability of parts is high.
Alternatively, the fins 9 are made of a metal material.
In some embodiments, the air amplifier 5 is disposed at a position of the work vehicle where it is convenient to absorb cold air, such as a front portion of the work vehicle or a roof portion of the work vehicle.
In some embodiments, the hydraulic component 6 comprises a cylinder 61, and the outer wall surface of the cylinder 61 is provided with fins 9.
Alternatively, the fins 9 are welded to the outer wall surface of the oil cylinder 61.
As shown in fig. 2 to 5, in some embodiments, the fin 9 includes a helical fin 91, and the helical fin 91 is spirally arranged in the axial direction of the oil cylinder 61.
In some embodiments, the fins 9 further include ribs 92, the ribs 92 are arranged in a straight line along the axial direction of the oil cylinder 61, and the ribs 92 connect two adjacent fin segments.
The ribs 92 are provided between adjacent fin segments of the helical fin 91 according to vibration conditions, improving structural strength and reliability and durability.
The air amplifier 5 uses compressed air provided by the air compressor 1 as a power source to drive surrounding air to flow so as to form high-pressure and high-speed airflow, the airflow is guided to the oil cylinder 61 through a pipeline, the compressed air flows along the spiral fins 91 on the outer wall surface of the oil cylinder 61, the heat dissipation function is realized, and the air amplifier has the functions of preventing the fins 9 from accumulating dust, blocking and the like.
In some embodiments, the air amplifier 5 is configured to direct pressurized compressed air toward the cylinder 61 at an angle of 45 ° to 135 ° from the axial direction of the cylinder 61.
The fins 9 are arranged around the axis of the oil cylinder 61 in a spiral surrounding mode, the fins 9 have a certain spiral angle, the air flow direction guided by the air amplifier 5 through a pipeline and the axial direction of the oil cylinder 61 form an included angle of 45-135 degrees, heat dissipation of the oil cylinder 61 is achieved through the flowing of air flow, and dust deposited on the fins 9 can be blown away. The fins 9 are combined with the air inflow direction, so that the air flow can be ensured to surround the oil cylinder 61 to dissipate heat as much as possible. Meanwhile, the air amplifier 5 guides the airflow with low power by utilizing the coanda effect, amplifies the flow of the airflow power, improves the heat dissipation capacity, and has an energy-saving effect.
In some embodiments, the hydraulic component 6 comprises a hydraulic line or an accumulator.
The hydraulic element 6 of the hydro-pneumatic suspension comprises an oil cylinder 61, a hydraulic pipeline, an energy accumulator and the like, and fins 9 are respectively arranged on the outer surfaces of the oil cylinder 61, the hydraulic pipeline and the energy accumulator. Further, all be equipped with fin 9 at all hydraulic component 6's outer wall, promote heat radiating area through setting up fin 9, solve the unable thermal balance of oil gas suspension, each item reliability problem that the oil temperature risees and leads to etc..
In some embodiments, the number of hydraulic components 6 is at least two, and the air amplifiers 5 respectively provide air flow to one hydraulic component 6 through one branch.
In some embodiments, the work vehicle further comprises a pneumatic brake system configured to actuate the work vehicle, and the air compressor 1 is further configured to provide compressed air to the pneumatic brake system.
Air compressor machine 1 is the part from taking for engineering vehicle, and air compressor machine 1 is used for providing compressed gas for air braking system, and this disclosed embodiment leads to air amplifier 5 with a small part of the compressed gas that air compressor machine 1 provided, and air amplifier 5 uses this small part compressed gas as the power supply, drives surrounding air and flows, in order to form high pressure, high velocity air, dispel the heat to hydraulic component 6 of oil gas suspension, neither can influence the demand of air braking system to compressed gas, do benefit to the radiating effect who improves oil gas suspension again.
In some embodiments, the engineering vehicle further comprises an air reservoir 3, and the air reservoir 3 is connected with the air compressor 1 and the air amplifier 5 through pipelines respectively.
Under the condition that the air brake system does not need compressed air or the compressed air provided by the air compressor 1 is surplus, a part of compressed air can be stored through the air storage cylinder 3 so as to be used for heat dissipation of the oil-gas suspension.
In some embodiments, the work vehicle further comprises a dryer 2, and the dryer 2 is arranged on a pipeline connecting the air storage cylinder 3 and the air compressor 1. The dryer 2 is used for drying the compressed gas supplied by the air compressor 1.
In some embodiments, the work vehicle further comprises a solenoid valve 4, the solenoid valve 4 being arranged on the line between the air reservoir 3 and the air amplifier 5. The battery valve 4 is used for controlling the on-off of a pipeline between the air storage cylinder 3 and the air amplifier 5 and is used for adjusting the flow of compressed air between the air storage cylinder 3 and the air amplifier 5.
In some embodiments, the engineering vehicle further comprises a controller 8 and a temperature sensor 7, the controller 8 is electrically connected with the temperature sensor 7 and the solenoid valve 4, the temperature sensor 7 is configured to detect the temperature of the hydraulic element 6 and send a temperature signal to the controller 8, and the controller 8 is configured to receive an actual temperature signal sent by the temperature sensor 7 and compare the actual temperature with a preset temperature in the controller to adjust the on-off and the opening of the solenoid valve 4.
When the actual temperature detected by the temperature sensor 7 is higher than the preset temperature in the controller 8, the electromagnetic valve 4 is opened; when the actual temperature detected by the temperature sensor 7 is far higher than the preset temperature in the controller 8, the opening degree of the electromagnetic valve 4 is increased; when the actual temperature detected by the temperature sensor 7 is slightly higher than the preset temperature in the controller 8, the opening degree of the electromagnetic valve 4 is reduced; when the temperature signal detected by the temperature sensor 7 is less than or equal to the preset temperature in the controller 8, the electromagnetic valve 4 is closed.
The controller 8 controls the pressure and the on-off of the air inlet of the air amplifier 5 through the electromagnetic valve 4 according to the collected temperature of the hydraulic element 6 of the hydro-pneumatic suspension, so that the adjustment and the start-stop of the gas strengthening strength of the air amplifier 5 are realized, and the energy conservation can be realized to the maximum extent through the control.
The electromagnetic valve 4 can be controlled to be started and stopped by electromagnetic or manual control, and error control caused by sensor faults is solved.
According to the practical engineering application requirements, an electric proportional pneumatic valve, an electric control on-off valve or an air control on-off valve and the like can be arranged on the pipeline between the air cylinder 3 and the air amplifier 5.
As shown in fig. 1, in some embodiments, the engineering vehicle includes an air compressor 1, a dryer 2, an air reservoir 3, a solenoid valve 4, an air amplifier 5, an oil-gas suspension, a temperature sensor 7, a controller 8, and fins 9. The hydro-pneumatic suspension comprises a hydraulic element 6, and the hydraulic element 6 comprises a cylinder 61, a hydraulic pipeline, an accumulator and the like.
Air compressor machine 1 is through first tube coupling in air receiver 3, and first pipeline is located to desicator 2 for the compressed air that air compressor machine 1 provided carries out the drying. The air cylinder 3 is connected to the air amplifier 5 through a second pipeline, and the electromagnetic valve 4 is arranged on the second pipeline and used for controlling the on-off of the second pipeline. The air amplifier 5 directs the air flow to the individual hydraulic components 6 of the hydro-pneumatic suspension via a plurality of branches.
The air compressor 1 provides gas, the gas provided by the air compressor 1 is dried through the dryer 2, and the gas enters the air storage cylinder 3 after being dried to form a gas source with pressure. The electromagnetic valve 4 is used for realizing the connection and on-off control of a pipeline between the air storage cylinder 3 and the air amplifier 5.
The air outlet of the air amplifier 5 respectively guides the enhanced large-flow gas to the oil cylinder 61 with the fins 9, the hydraulic pipeline with the fins 9 and the front of the energy accumulator with the fins 9 through a plurality of branches, so as to radiate the heat of the hydraulic element 6.
The air amplifier 5 guides airflow at low power, amplifies the flow of airflow power, and improves the heat dissipation capacity, and the fins 9 are arranged on the outer wall surface of the hydraulic element 6, so that the heat dissipation area of the hydraulic element 6 is increased, and the heat dissipation capacity is improved, and therefore, the heat dissipation capacity of a closed high-pressure hydraulic system (oil-gas suspension) is improved from two angles.
The temperature sensor 7 is used for detecting the temperature of the hydraulic component 6, and the controller 8 is electrically connected with the temperature sensor 7 and the electromagnetic valve 4.
When the temperature of the hydraulic component 6 detected by the temperature sensor 7 reaches the set temperature T1 during the running of the vehicle, the controller 8 controls the opening of the electromagnetic valve 4 according to the temperature signal sent by the temperature sensor 7, and further adjusts the pressure of the air path from the air cylinder 3 to the air inlet of the air amplifier 5, so that the flow rate and the pressure of the outlet air flow of the air amplifier 5 are changed, and the heat exchange effect is improved.
The power of the air amplifier 5 is adjustable and can be operated at full power or stopped.
In the running process of the vehicle, the air compressor 1 realizes start-stop control according to the feedback of the overflow pressure of the dryer 2, and realizes energy-saving control.
Air compressor machine 1, desicator 2, gas receiver 3 is from taking equipment for engineering vehicle, utilize vehicle-mounted air compressor machine 1, desicator 2, gas receiver 3 forms the air supply and gives 5 air inlets of air amplifier, air amplifier 5 realizes different outlet airflow pressure flow according to the flow pressure change of air inlet, and lead the air current to the place ahead that needs radiating hydraulic component 6 of taking fin 9 through a plurality of branch pipes, realize through leading the radiating function that drives the high power with low-power.
Based on the embodiments of the invention described above, the technical features of one of the embodiments can be advantageously combined with one or more other embodiments without explicit negatives.
Although some specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the invention. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope and spirit of the present invention. The scope of the invention is defined by the appended claims.

Claims (10)

1. A work vehicle, characterized by comprising:
the hydro-pneumatic suspension comprises a hydraulic element (6), wherein the hydraulic element (6) is configured to provide damping, and the outer wall surface of the hydraulic element (6) is provided with a fin (9);
an air compressor (1) configured to provide compressed air to the hydraulic component (6) to cool the hydraulic component (6); and
the air amplifier (5) is configured to take compressed air provided by the air compressor (1) as a power source, drive surrounding air to flow so as to form high-pressure and high-speed air flow, and provide the air flow to the hydraulic element (6).
2. The work vehicle according to claim 1, characterized in that the hydraulic component (6) comprises a cylinder (61), and the outer wall surface of the cylinder (61) is provided with fins (9).
3. The work vehicle according to claim 2, characterized in that the fins (9) comprise helical fins (91), the helical fins (91) being helically arranged along the axial direction of the cylinder (61).
4. The work vehicle according to claim 3, characterized in that said fins (9) further comprise ribs (92), said ribs (92) being arranged in a straight line along the axial direction of said cylinders (61), said ribs (92) connecting two adjacent fin segments.
5. The work vehicle according to claim 2, characterized in that the air amplifier (5) is configured to direct the air flow towards the cylinder (61) at an angle of 45 ° to 135 ° to the axial direction of the cylinder (61).
6. The work vehicle according to claim 1, characterized in that the hydraulic component (6) comprises a hydraulic line or an accumulator.
7. The work vehicle according to claim 1, characterized in that the number of hydraulic components (6) is at least two, and that the air amplifiers (5) each provide an air flow to a hydraulic component (6) via a branch.
8. The work vehicle according to claim 1, characterized in that it further comprises a pneumatic brake system configured to actuate the work vehicle, the air compressor (1) being further configured to provide compressed air to the pneumatic brake system.
9. The work vehicle of claim 1, further comprising:
the air storage cylinder (3) is respectively connected with the air compressor (1) and the air amplifier (5) through pipelines;
the electromagnetic valve (4) is arranged on a pipeline between the air cylinder (3) and the air amplifier (5);
a temperature sensor (7) configured to detect a temperature of the hydraulic component (6); and
the controller (8) is electrically connected with the temperature sensor (7) and the electromagnetic valve (4), and the controller (8) is configured to receive an actual temperature signal sent by the temperature sensor (7) and compare the actual temperature with a preset temperature in the controller so as to adjust the on-off and the opening degree of the electromagnetic valve (4).
10. The work vehicle according to claim 1, characterized in that the air amplifier (5) is arranged at the front or at the top of the work vehicle.
CN202111394010.4A 2021-11-23 2021-11-23 Construction vehicle Pending CN114083947A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111394010.4A CN114083947A (en) 2021-11-23 2021-11-23 Construction vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111394010.4A CN114083947A (en) 2021-11-23 2021-11-23 Construction vehicle

Publications (1)

Publication Number Publication Date
CN114083947A true CN114083947A (en) 2022-02-25

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Application Number Title Priority Date Filing Date
CN202111394010.4A Pending CN114083947A (en) 2021-11-23 2021-11-23 Construction vehicle

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Country Link
CN (1) CN114083947A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB730684A (en) * 1953-03-04 1955-05-25 Morris Motors Ltd Improvements relating to hydraulic shock absorbers
CN201166082Y (en) * 2008-03-18 2008-12-17 湖南三一起重机械有限公司 Oil gas suspension system
CN106314061A (en) * 2016-10-18 2017-01-11 隆学武 Hydro-pneumatic suspension system capable of realizing active volume control and vehicle
CN206627002U (en) * 2017-01-23 2017-11-10 山东恒涛节能环保有限公司 A kind of novel finned tube
CN108422989A (en) * 2018-04-28 2018-08-21 瑞立集团瑞安汽车零部件有限公司 The commercial automobile-used air braking system of new energy
CN109780006A (en) * 2019-01-28 2019-05-21 宝钢湛江钢铁有限公司 A kind of coke vehicle hydraulic oil temperature intelligent temperature control system
CN110329352A (en) * 2019-08-11 2019-10-15 柳州市孚桂智能科技有限公司 The method of the base apparatus and operation base apparatus of electric vehicle
CN112895887A (en) * 2021-04-08 2021-06-04 蔡小燕 Vehicle air energy storage system with air amplification function
CN112969603A (en) * 2018-09-25 2021-06-15 日立安斯泰莫株式会社 Air suspension system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB730684A (en) * 1953-03-04 1955-05-25 Morris Motors Ltd Improvements relating to hydraulic shock absorbers
CN201166082Y (en) * 2008-03-18 2008-12-17 湖南三一起重机械有限公司 Oil gas suspension system
CN106314061A (en) * 2016-10-18 2017-01-11 隆学武 Hydro-pneumatic suspension system capable of realizing active volume control and vehicle
CN206627002U (en) * 2017-01-23 2017-11-10 山东恒涛节能环保有限公司 A kind of novel finned tube
CN108422989A (en) * 2018-04-28 2018-08-21 瑞立集团瑞安汽车零部件有限公司 The commercial automobile-used air braking system of new energy
CN112969603A (en) * 2018-09-25 2021-06-15 日立安斯泰莫株式会社 Air suspension system
CN109780006A (en) * 2019-01-28 2019-05-21 宝钢湛江钢铁有限公司 A kind of coke vehicle hydraulic oil temperature intelligent temperature control system
CN110329352A (en) * 2019-08-11 2019-10-15 柳州市孚桂智能科技有限公司 The method of the base apparatus and operation base apparatus of electric vehicle
CN112895887A (en) * 2021-04-08 2021-06-04 蔡小燕 Vehicle air energy storage system with air amplification function

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