Engineering vehicle
阅读说明：本技术 一种工程车辆 (Engineering vehicle ) 是由 许水电 李延福 许涛 于 2018-08-19 设计创作，主要内容包括：本发明公开一种工程车辆,通过将气体动力装置连接液压泵,为液压执行装置提供能源,其结构简单,扭矩大,转速高,传递效率高,能耗低,且环境友好,排放物为减压后的气体,工作噪音低,且无尾气污染；待机状态能耗极低。该工程车辆采用的气体动力装置,包括外圈和芯体,芯体的外环面的喷口和排口之间设有至少一阶以上的次冲流道,气体从进气通道进入,通过芯体的喷口及次冲流道的逐阶喷出,作用于外圈周向上的至少二驱动凹部,对这些驱动凹部产生推力推动外圈旋转做功,实现动力输出,最后,气体通过芯体的排口经排气通道排出。(The invention discloses an engineering vehicle, which provides energy for a hydraulic actuating device by connecting a gas power device with a hydraulic pump, and has the advantages of simple structure, large torque, high rotating speed, high transmission efficiency, low energy consumption, environmental friendliness, reduced pressure of exhaust, low working noise and no tail gas pollution; the energy consumption of the standby state is extremely low. The pneumatic power device adopted by the engineering vehicle comprises an outer ring and a core body, wherein at least one-order or more secondary flushing flow channel is arranged between a nozzle and an exhaust port of the outer ring surface of the core body, air enters from an air inlet channel, is sprayed out step by step through the nozzle and the secondary flushing flow channel of the core body and acts on at least two driving concave parts on the circumferential direction of the outer ring, thrust is generated on the driving concave parts to push the outer ring to rotate and do work, power output is realized, and finally, the air is exhausted through the exhaust port of the core body through an exhaust channel.)
1. The utility model provides an engineering vehicle, includes a frame, is equipped with running gear and hydraulic pressure final controlling element on this frame, its characterized in that:
the hydraulic power device is in transmission connection with the hydraulic motor of the hydraulic execution device and the walking device respectively;
the gas power device comprises:
the outer ring is provided with a plurality of driving concave parts on the circumferential direction of the inner ring surface;
the core body is coaxially arranged in the outer ring and can rotate relative to the outer ring, and the outer ring surface of the core body is provided with at least one nozzle, at least one row of ports and at least one flushing channel positioned between the nozzle and the row of ports;
at least one air inlet channel which is communicated with at least one nozzle; and
at least one exhaust channel connected to the at least one exhaust port;
the gas enters from the gas inlet channel, is sprayed out step by step through the nozzles of the core body and the secondary flushing flow channel, acts on at least two driving concave parts on the periphery of the outer ring, generates thrust on the driving concave parts to push the outer ring to rotate and do work, so that power output is realized, and finally, the gas is discharged through the exhaust channel through the exhaust port of the core body.
2. The work vehicle of claim 1, wherein: the gas power device comprises at least one gas inlet channel, at least one nozzle, at least two driving concave parts, at least one primary flushing channel, at least one row of nozzles and at least one gas exhaust channel, wherein the at least one gas inlet channel, the at least one nozzle, the at least two driving concave parts, the at least one primary flushing channel, the at least one row of nozzles and the at least one gas exhaust channel form an independent work doing unit.
3. The work vehicle of claim 1, wherein: the air inlet channel and the air outlet channel are formed in the core body, the nozzle and the secondary flushing channel on the core body are communicated with the driving concave part corresponding to the outer ring, and the secondary flushing channel is arranged along the circumferential direction of the core body or the outer ring.
4. The work vehicle of claim 3, wherein: on the core body comprises
The air inlet channel is provided with a nozzle on the circumferential surface of the core body, the direction of the nozzle is an arc line extending outwards from the middle, and the nozzle is communicated with the driving concave part corresponding to the outer ring to form a 1 st-step flow channel;
the secondary flushing flow channel is an arc line which extends from the edge of the core body to the edge of the core body in a bending mode, each secondary flushing flow channel is communicated with the front driving concave part and the rear driving concave part corresponding to the outer ring, and an N-step flow channel is formed along the circumferential direction of the core body, wherein N is a natural number larger than or equal to 2;
each step of flow passage is matched with the corresponding driving concave part of the outer ring to form a multi-step stroke structure with the gas energy decreasing progressively.
5. The work vehicle of claim 3, wherein: the inlet channel of the core body is a logarithmic spiral extending outwards from the middle, the pole of the logarithmic spiral is arranged on the central axis of the core body, and the trend angle of the logarithmic spiral is 15-45 degrees.
6. The work vehicle of claim 1, wherein: the gas power device also comprises a shaft, the outer ring and the core body are coaxially arranged on the shaft, and the shaft is provided with a gas inlet channel and a gas outlet channel which are respectively communicated to the gas inlet channel and the gas outlet channel of the core body.
7. The work vehicle of claim 2, wherein: the gas power device comprises more than two independent power units to form a multi-stage driving structure and is arranged along the circumferential direction of the core body or the outer ring.
8. The work vehicle according to one of claims 1 to 7, characterized in that: the inner ring surface of the outer ring is provided with more than 2 driving concave parts, each driving concave part is provided with a profile bottom surface and a driving surface, the profile line of the profile bottom surface is a logarithmic spiral line, and the pole of the logarithmic spiral line is arranged at the center of the core body.
9. The work vehicle according to one of claims 1 to 7, characterized in that: the gas power device is connected with the gas power device through a pipeline to supply gas to the gas inlet channel.
10. The work vehicle according to one of claims 1 to 7, characterized in that: the pneumatic power device is in transmission connection with the walking device and the hydraulic motor of the hydraulic actuating device through a speed changer.
Technical Field
The invention discloses an engineering vehicle, belonging to the technical field of vehicles according to the classification of International Patent Classification (IPC).
Background
The engineering vehicle is a vehicle required to be used in the engineering construction process, generally comprises a walking device and a hydraulic actuating device, wherein the walking device and the hydraulic actuating device share one engine to provide driving power and hydraulic power.
However, after the traveling device is stopped, in order to drive the hydraulic actuating device, the engine also needs to be in a standby operation state or a low-rotation-speed operation state, the working condition is unreasonable, a large amount of tail gas is easily generated, and the energy utilization rate is low.
Meanwhile, harmful gases and particle pollutants in the engine exhaust, such as CO, hydrocarbons, nitrogen oxides and other harmful gases, can also seriously affect human health, wherein the combination speed of the CO and the hemoglobin in the blood of a human body is 250 times faster than that of O2. Even if only a trace amount of CO is inhaled, the oxygen deficiency injury can be caused to people, and the patients with mild symptoms can be dizzy and headache, and the brain cells of the patients with severe symptoms can be permanently injured; especially, the pollutant content is higher under the conditions of low rotating speed and insufficient combustion.
Aiming at the problem, the existing means are mainly road cleaning technologies such as automobile exhaust treatment, engine optimization design to improve the combustion effect or watering dust fall; however, the scheme reduces the exhaust pollution to a certain extent, and cannot fundamentally solve the problem of automobile exhaust.
Therefore, it is urgently needed to provide an engineering vehicle which has small pollution to the working environment and is efficient and reliable.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an engineering vehicle, wherein a gas power device is used as a power device of an automobile, a multi-stage runner is circumferentially arranged on a core body of the gas power device, the energy of gas is utilized for multiple times, and the core body drives a rotary outer ring to realize the output of power; the engineering vehicle has the advantages of environmental protection, no pollution, convenient output power regulation, high energy utilization efficiency, energy conservation, environmental protection and the like.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an engineering vehicle comprises a vehicle frame, a traveling device and a hydraulic actuating device are arranged on the vehicle frame,
the pneumatic power device is in transmission connection with the walking device and a hydraulic motor of the hydraulic execution device respectively;
the gas power device comprises:
the outer ring is provided with a plurality of driving concave parts on the circumferential direction of the inner ring surface;
the core body is coaxially arranged in the outer ring and can rotate relative to the outer ring, and the outer ring surface of the core body is provided with at least one nozzle, at least one row of ports and at least one flushing channel positioned between the nozzle and the row of ports;
at least one air inlet channel which is communicated with at least one nozzle; and
at least one exhaust channel connected to the at least one exhaust port;
the gas enters from the gas inlet channel, is sprayed out step by step through the nozzles of the core body and the secondary flushing flow channel, acts on at least two driving concave parts on the periphery of the outer ring, generates thrust on the driving concave parts to push the outer ring to rotate and do work, so that power output is realized, and finally, the gas is discharged through the exhaust channel through the exhaust port of the core body.
Furthermore, at least one air inlet channel, at least one nozzle, at least two driving concave parts, at least one primary flushing channel, at least one row of ports and at least one exhaust channel form an independent work doing unit, and the pneumatic power device comprises at least one independent work doing unit.
Further, the nozzle and the secondary flushing flow channel on the core body are communicated with the corresponding driving concave part of the outer ring, the secondary flushing flow channel and the corresponding driving concave part are arranged in a staggered mode and communicated in sequence, and the secondary flushing flow channel is arranged along the circumferential direction of the core body or the outer ring.
Further, an intake passage and an exhaust passage are formed in the core.
Further, the core body comprises:
the air inlet channel is provided with a nozzle on the circumferential surface of the core body, the direction of the nozzle is an arc line extending outwards from the middle, and the nozzle is communicated with the driving concave part corresponding to the outer ring to form a 1 st-step flow channel;
the secondary flushing flow channel is an arc line which extends from the edge of the core body to the edge of the core body in a bending mode, each secondary flushing flow channel is communicated with the front driving concave part and the rear driving concave part corresponding to the outer ring, and an N-step flow channel is formed along the circumferential direction of the core body, wherein N is a natural number larger than or equal to 2;
each step of flow passage is matched with the corresponding driving concave part of the outer ring to form a multi-step stroke structure with the gas energy decreasing progressively.
Further, the secondary flushing flow passage comprises a return passage and a communicated stroke passage, the return passage is communicated with the corresponding driving concave part of the outer ring, and the stroke passage is communicated with the other driving concave part.
Furthermore, the inlet channel of the core body is in a logarithmic spiral line extending from the middle to the outside, the pole of the logarithmic spiral line is arranged on the central axis of the core body, and the trend angle of the logarithmic spiral line is 15-45 degrees.
Furthermore, the core body is provided with an air inlet channel, the trend of the air inlet channel is a logarithmic spiral line extending outwards from the middle, the trend of the stroke channel of the secondary flushing channel is a logarithmic spiral line, and the trend of the logarithmic spiral line of the stroke channel of the secondary flushing channel is approximately the same as the trend of the logarithmic spiral line of the air inlet channel.
Further, the gas power device also comprises a shaft, and the outer ring and the core body are coaxially arranged on the shaft.
Further, the gas power device also comprises a shaft, the outer ring and the core body are coaxially arranged on the shaft, and the shaft is provided with a gas inlet channel and a gas outlet channel which are respectively communicated to the gas inlet channel and the gas outlet channel of the core body.
The air inlet and outlet axial channels in the shaft form an air inlet and an air outlet, and the air inlet and outlet axial channels are of a non-communicated structure.
Furthermore, the outer ring is matched with the shaft through the side plate to form a closed space, and the core body is arranged in the closed space and is fixedly connected with the shaft.
Further, the air inlet channel, the nozzle, the driving concave part, the secondary flushing channel, the exhaust port and the exhaust channel in the independent acting unit form a gas flow path.
Furthermore, the gas power device comprises more than two independent acting units to form a multi-stage driving structure and is arranged along the circumferential direction of the core body or the outer ring.
Furthermore, more than 2 driving concave parts are arranged on the inner ring surface of the outer ring, each driving concave part is provided with a profile bottom surface and a driving surface, the profile line of the profile bottom surface is a logarithmic spiral line, and the pole of the profile bottom surface is arranged at the center of the core body.
Further, the gas power device comprises a storage tank, and the storage tank is connected with the pipeline of the gas power device so as to supply gas to the gas inlet channel.
Furthermore, the pneumatic power device is in transmission connection with the traveling device and the hydraulic motor of the hydraulic actuating device through a transmission respectively.
The engineering vehicle provides energy for the hydraulic actuating device by connecting the gas power device with the hydraulic pump, has the advantages of simple structure, large torque, high rotating speed, high transmission efficiency, low energy consumption and environmental friendliness, and discharges decompressed gas, so that the engineering vehicle has low working noise and no tail gas pollution. And the compressed gas is used as power, so that the use and operation cost is reduced, the maintenance is simple and convenient, and the running stability of the vehicle is higher.
The gas power device of the invention also has the following beneficial effects:
1. the multi-stage flow channels arranged on the core body, namely the air inlet channel is used as a 1 st-stage flow channel, each secondary flow channel is used as a 2 nd, 3 rd and 4 … … th-stage flow channel, gas acts on the driving concave part of the outer ring from the 1 st-stage flow channel, the driving concave part is communicated with the 2 nd-stage flow channel and then returns to the 2 nd-stage flow channel to act on the other driving concave part of the outer ring, and the steps are repeated until the gas is discharged from the exhaust channel, the whole process is carried out along the forward direction of the rotation direction of the outer ring, the torque is large, the transmission efficiency is high, the gas utilization rate is high, and the output torque is further increased along; the hydraulic pump is used for driving the hydraulic pump to smoothly output the driving torque.
2. The flow channels distributed in the circumferential direction of the core body effectively reduce the volume of the whole device, can be matched with the output power of a running gear of an automobile, and meanwhile, the more the air inlet channels are arranged on the core body, the more the whole weight is reduced, and the output speed and the output efficiency of the device are further improved.
Drawings
FIG. 1 shows a side view of a work vehicle according to
FIG. 2 is a schematic diagram of a principle of a partial hydraulic oil circuit of a engineering vehicle according to the
fig. 3 is a schematic view of a gas power plant according to
Fig. 4 is a side view of the gas power unit of
FIG. 5 is a side view of the gas power unit of
Fig. 6 is a radial cross-sectional view of a gas power unit according to
Fig. 7 is another layout view of the gas power plant according to
Fig. 8 is a schematic view of a gas power plant of a working vehicle according to
Fig. 9 is a side view of the gas power unit of
Fig. 10 is a side view of the gas dynamic device shaft D of
Fig. 11 is a radial cross-sectional view of a gas power unit according to
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
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