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CN113357331A - Labor-saving and efficiency-increasing driving device - Google Patents

Labor-saving and efficiency-increasing driving device Download PDF

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Publication number
CN113357331A
CN113357331A CN202110796184.7A CN202110796184A CN113357331A CN 113357331 A CN113357331 A CN 113357331A CN 202110796184 A CN202110796184 A CN 202110796184A CN 113357331 A CN113357331 A CN 113357331A
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CN
China
Prior art keywords
wheel
propeller
driving
output wheel
labor
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Pending
Application number
CN202110796184.7A
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Chinese (zh)
Inventor
汤群峰
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Individual
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Individual
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Priority to CN202110796184.7A priority Critical patent/CN113357331A/en
Publication of CN113357331A publication Critical patent/CN113357331A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H37/00Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/065Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with a plurality of driving or driven shafts
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H7/00Gearings for conveying rotary motion by endless flexible members
    • F16H7/02Gearings for conveying rotary motion by endless flexible members with belts; with V-belts

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)

Abstract

The invention relates to the technical field of power driving, and particularly discloses a labor-saving and efficiency-increasing driving device which comprises a driver, a driving frame and an output wheel, wherein the driver is used for driving the driving frame to rotate, the driving frame is overlapped with the rotation central axis of the output wheel, a driving wheel is connected to the driving frame in a rotating mode and is in transmission connection with the output wheel, a propeller is fixedly arranged in the radial direction of the driving wheel, and the propeller can provide tangential force for the driving wheel. This scheme makes the action wheel produce the rotation through the propeller and makes the action wheel produce the revolution around the output wheel simultaneously, realizes the rotational speed on the output wheel through the different and same adjustment of action wheel direction of rotation and carriage direction of rotation and improves or reduce, has solved among the prior art input and has driven the problem that the in-process of higher load exists and drive the difficulty or drive painstaking problem.

Description

Labor-saving and efficiency-increasing driving device
Technical Field
The invention relates to the technical field of power driving, in particular to a labor-saving and efficiency-increasing driving device.
Background
In the prior art, a driving device provides kinetic energy for a load, the driving device mostly includes an input and an output (the output is used for driving the load), and also includes a situation of an input and a plurality of outputs, no matter there is a loss in the process of energy transmission, if it is desired to drive a larger load under the condition of unchanged input, the process of driving the load by the input will inevitably become more difficult or laborious, if it is desired to drive the load under the condition of unchanged input or lower energy consumption, that is, if it is desired to obtain a driving device which is labor-saving and synergistic, it is necessary to make a revolutionary breakthrough on the input requirement from the technical aspect.
Disclosure of Invention
The invention aims to provide a labor-saving and efficiency-increasing driving device to solve the problem that driving is difficult or laborious in the process of driving a higher load under the condition of unchanged input in the prior art.
In order to achieve the above object, the basic scheme of the invention is as follows:
the utility model provides a laborsaving drive arrangement that increases, includes driver, carriage and output wheel, and the driver is used for driving the carriage and rotates, and the carriage coincides with the rotation axis of output wheel, rotates on the carriage and is connected with the action wheel, and the action wheel is connected with the output wheel transmission, and the output wheel is used for driving the load, still includes the propeller, and the propeller can drive the action wheel rotation.
Compare the beneficial effect in prior art:
when this scheme of adoption, when the load that needs to drive on the output wheel is higher, only need to make the rotation that the propeller drove the action wheel can drive the output wheel and rotate, this moment make the driver drive the direction of rotation of transaxle unanimous with the action wheel direction of rotation, then the rotational speed of output wheel can increase because of the input of driver, the superimposed effect of rotational speed has been reached in other words, and this moment has driven the output wheel because of the propeller and has produced and has rotated, the driver can make the rotational speed of output wheel increase with lower power also more laborsaving mode, the problem that the input that exists at present drives the in-process of higher load has the difficulty of driving or drives the arduous has also been solved.
This scheme makes the output wheel produce the energy of higher rotational speed and is provided by two inputs, and the action wheel rotation has driven the rotation of output wheel promptly, so the driver drives the drive frame and rotates and does not have actual load, therefore the energy of its working process consumption can be few to neglecting to the neglect to make this scheme reach and can reduce the energy consumption to the driver.
After the scheme is adopted, the maximum benefit is that the purpose of saving labor and improving efficiency is realized in the mechanical transmission process; secondly, because of the existence of the propeller, when the direction of rotation that the driver drove the drive frame is opposite with the direction that the propeller drove the action wheel rotation, the rotational speed of output wheel reduces relatively in comparison with the rotational speed that drives the output wheel rotation as the input by the drive frame alone, show that also when driver and propeller make the drive frame unanimous with the action wheel direction of rotation, there is the effect that the stack improves to the rotational speed of output wheel, and when driver and propeller make the drive frame opposite with the action wheel direction of rotation, there is the effect that reduces to the rotational speed of output wheel, compare in the condition that only has a driver, this scheme can make the regulation of the rotational speed scope of output wheel wider.
Further, the propeller is fixedly connected with the driving wheel, the propeller is located on the radial direction of the driving wheel, and the propeller can provide tangential force for the driving wheel.
Has the advantages that: the propeller gives a tangential force to the driving wheel, and the driving wheel is further promoted to rotate.
Furthermore, the quantity of pivoted action wheel is two and more on the drive frame, and every action wheel all is located the radial of output wheel, all is connected with the propeller on every action wheel, and every action wheel all is connected with the output wheel transmission.
Has the advantages that: when this scheme of adoption, the setting of a plurality of action wheels and propeller for the high-speed rotation that drives the output wheel becomes easier.
Further, the driving wheels are arranged along the circumference of the output wheel, and all the driving wheels are located on the same circumference.
Has the advantages that: the combination of a plurality of action wheels and drive frame is equivalent to the combination of planet carrier and planet wheel for whole drive arrangement's the condition of all carrying is better, is favorable to improving the job stabilization nature of whole device.
Furthermore, be connected with the adjustment arm on the action wheel, propeller fixed connection is on the adjustment arm, and the distance of the relative action wheel of propeller can be adjusted.
Has the advantages that: when this scheme of adoption, can adjust because of the distance of the relative action wheel of propeller, adjusted the arm of force of propeller effect on the action wheel in other words, and then can be under the unchangeable circumstances of assurance impeller output, change the rotational speed of action wheel.
Furthermore, the adjusting arm is located in the radial direction of the driving wheel, one end of the adjusting arm is inserted into the driving wheel, and the length of the adjusting arm inserted into the driving wheel can be adjusted.
Has the advantages that: the arm of force between the propeller and the driving wheel is changed by changing the length of the adjusting arm inserted into the driving wheel, and the adjustment is simple and convenient.
Further, the propeller can employ one of a jet propeller, a propeller, an air propeller, or a rail propeller.
Has the advantages that: the pushing scheme can select an applicable propeller according to the use requirements of the driving device in different scenes.
Further, the driving wheel is in belt transmission connection with the output wheel.
Has the advantages that: the belt transmission mode is simple and convenient, and the transmission mode of this scheme can make the action wheel at the in-process to the transmission power of output wheel, and the direction of the reaction force that the output wheel applyed is directional axle center always, and the drive frame just can reach free pivoted design requirement.
Further, the propeller is fixedly connected to the belt.
Has the advantages that: the propeller is fixedly connected to the belt, the propeller directly drives the belt to transmit, and the transmission efficiency is higher.
Drawings
FIG. 1 is an isometric view of a single drive wheel in accordance with an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is an isometric view of two drive wheels in accordance with an embodiment of the present invention;
FIG. 4 is an isometric view of three drive wheels in accordance with an embodiment of the present invention;
FIG. 5 is a front view of a second impeller of an embodiment of the present invention mounted on a belt.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a driving frame 1, an output wheel 2, a bearing frame 3, a driving wheel 4, an adjusting arm 5, a propeller 6, a sliding sleeve 7, an adjusting rod 8, a belt 9 and a middle shaft 10.
Example one
An embodiment substantially as described in figures 1 to 4 of the accompanying drawings:
the utility model provides a laborsaving increase drive arrangement, bear frame 3, the driver, driving frame 1 and output wheel 2, bear fixedly connected with axis 10 on the frame 3, axis 10 is used for accepting the weight of the last component of bearing frame 3 and axis 10 except that of drive arrangement, driver and output wheel 2 all rotate to be connected on axis 10, the driver is used for driving frame 1 and rotates (the driver is not seen in the picture), action wheel 4 and driver are located bear the front and back both sides of frame 3, driving frame 1 and the coincidence of the rotation axis of output wheel 2.
The driving frame 1 is rotatably connected with driving wheels 4, the driving wheels 4 are located at the eccentric positions of the driving frame 1, and the number of the driving wheels 4 can be one, as shown in fig. 1 and 2; the number of the driving wheels 4 can also be two or more, the driving wheels 4 are arranged along the circumferential direction of the output wheel 2, the driving wheels 4 are positioned on the same circumference, and 2 driving wheels are taken as an example, as shown in fig. 3; take 3 driving wheels 4 as an example, as shown in fig. 4; every action wheel 4 all is located the radial of output wheel 2, and every action wheel 4 all is connected through belt 9 transmission with output wheel 2. When two or more driving wheels 4 are adopted, the combination of all the driving wheels 4 and the driving frame 1 is equivalent to the combination of a planet carrier and a planet wheel, so that the uniform loading condition of the whole driving device is better, and the working stability of the whole device is favorably improved.
All install the adjustment arm 5 on every action wheel 4, the adjustment arm 5 is located the radial of action wheel 4, 5 one end of adjustment arm are inserted in action wheel 4, the length that the adjustment arm 5 inserted in action wheel 4 can be adjusted, the tip fixedly connected with propeller 6 that the adjustment arm 5 stretches out action wheel 4, the length regulatory function of adjustment arm 5 makes the relative distance of action wheel 4 of propeller 6 can be adjusted, propeller 6 can provide the tangential force for action wheel 4.
The propeller 6 can be one of a jet propeller 6, a propeller 6, an air propeller 6, or a rail propeller 6, and in the present embodiment, the propeller 6 is the jet propeller 6.
In this embodiment, the adjusting arm 5 includes a sliding sleeve 7 and an adjusting rod 8, the sliding sleeve 7 is fixedly connected to the driving wheel 4, the sliding sleeve 7 is radially disposed along the driving wheel 4, the adjusting rod 8 can move along the sliding sleeve 7, the sliding sleeve 7 is provided with a threaded hole, and a screw is inserted into the threaded hole and abuts against the adjusting rod 8 to complete the relative position of the adjusting rod 8 on the sliding sleeve 7; the propeller 6 is fixedly connected to the end of the adjusting rod 8.
For making whole device can have dustproof effect, and make the supporting to output wheel 2 better, can set up the casing, the casing both forms the protection to carriage 1, action wheel 4 and output wheel 2, can also let output wheel 2's both ends all rotate and connect on the casing, improves output wheel 2's supporting effect (the casing is not seen in this embodiment).
The specific implementation process is as follows:
when the embodiment is adopted, when the load needing to be driven on the output wheel 2 is higher, only the thruster 6 needs to give a tangential force to the driving wheel 4, further the driving wheel 4 is enabled to generate rotation, the rotation of the driving wheel 4 can drive the output wheel 2 to rotate, at the moment, the rotation direction of the driving frame 1 driven by the driver is consistent with the rotation direction of the driving wheel 4, the rotation speed of the output wheel 2 can be increased due to the input of the driver, which is equivalent to the effect of superposition of the rotation speeds, at the moment, the output wheel 2 is driven to rotate due to the thruster 6, the driver can increase the rotation speed of the output wheel 2 in a lower power mode, namely, a more labor-saving mode is adopted, and the problem that the driving difficulty or the driving effort is caused in the process that the input driving of the higher load exists at present is solved.
In the embodiment, energy with higher rotation speed generated by the output wheel 2 is provided by two inputs, and the driving wheel 4 rotates to drive the output wheel 2 to rotate, so that the driver drives the driving frame 1 to rotate without actual load, and the energy consumed in the working process can be reduced to be negligible, thereby reducing the energy consumption of the driver. After the embodiment is adopted, the maximum benefit is that the aim of saving labor and improving efficiency is fulfilled in the mechanical transmission process; secondly, because of the existence of the propeller 6, when the rotation direction of the driving frame 1 driven by the driver is opposite to the rotation direction of the driving wheel 4 driven by the propeller 6, the rotation speed of the output wheel 2 is relatively reduced compared with the rotation speed of the output wheel 2 driven by the driving frame 1 alone as an input, that is, when the driving frame 1 and the driving wheel 4 are made to rotate in the same direction by the driver and the propeller, the rotation speed of the output wheel 2 is increased by superposition, and when the driving frame 1 and the driving wheel 4 are made to rotate in opposite directions by the driver and the propeller 6, the rotation speed of the output wheel 2 is reduced, compared with the case of only one driver, the present embodiment can make the adjustment of the rotation speed range of the output wheel 2 wider.
In addition, due to the existence of the adjusting arm 5, the distance between the propeller 6 and the driving wheel 4 can be adjusted, which is equivalent to adjusting the length of the force arm, so that the rotating speed of the driving wheel 4 can be changed under the condition of ensuring that the output power of the propeller is not changed, and the purpose of increasing the rotating speed of the output wheel 2 is achieved.
Example two
The second embodiment is improved on the basis of the first embodiment as follows:
in the second embodiment, the installation position of the propeller 6 is changed, the propeller 6 is changed from the connection of the first embodiment to the driving wheel 4 to be fixed on the belt 9, taking two symmetrical driving wheels 4 as an example, as shown in fig. 5, fig. 5 only shows the case that the belt 9 drives two driving wheels 4 simultaneously, and also the propeller 6 can be separately installed on the belt 9 conveyed by a single driving wheel 4 and the output wheel 2. In the present exemplary embodiment, the same belt simultaneously forms two symmetrical drive pulleys 4 and a central output wheel 2 into a belt-driven connection, in which case the diameter of the drive pulley 4 is smaller than the diameter of the output wheel 2.
Mounting the propeller 6 on the belt 9 enables the propeller 6 to promote the transfer efficiency of the rotation of the drive pulley 4 to be higher. The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (9)

1. The utility model provides a laborsaving drive arrangement that increases, includes driver, carriage and output wheel, and the driver is used for driving the carriage and rotates, and the carriage coincides with the rotation axis of output wheel, rotates on the carriage and is connected with the action wheel, and the action wheel is connected with the output wheel transmission, and the output wheel is used for driving load, its characterized in that: the self-rotation driving device further comprises a propeller, and the propeller can drive the driving wheel to rotate.
2. The labor-saving efficiency-increasing driving device according to claim 1, wherein: the propeller is fixedly connected with the driving wheel, the propeller is located on the radial direction of the driving wheel, and the propeller can provide tangential force for the driving wheel.
3. The labor-saving efficiency-increasing driving device according to claim 2, wherein: the quantity of pivoted action wheel is two and above on the drive frame, and every action wheel all is located the radial of output wheel, all is connected with the propeller on every action wheel, and every action wheel all is connected with the output wheel transmission.
4. The labor-saving efficiency-increasing driving device according to claim 3, wherein: the driving wheels are arranged along the circumference of the output wheel, and all the driving wheels are positioned on the same circumference.
5. The labor-saving efficiency-increasing driving device according to claim 2, wherein: the driving wheel is connected with an adjusting arm, the propeller is fixedly connected to the adjusting arm, and the distance between the propeller and the driving wheel can be adjusted.
6. The labor-saving efficiency-increasing driving device according to claim 5, wherein: the adjusting arm is located the radial of action wheel, and adjusting arm one end is inserted in the action wheel, and the length that the adjusting arm inserted in the action wheel can be adjusted.
7. The labor-saving efficiency-increasing driving device according to claim 1, wherein: the propeller can employ one of a jet propeller, a propeller, an air propeller, or a rail propeller.
8. The labor-saving efficiency-increasing driving device according to claim 1, wherein: the driving wheel is connected with the output wheel through belt transmission.
9. The labor-saving efficiency-increasing driving device according to claim 8, wherein: the propeller is fixedly connected to the belt.
CN202110796184.7A 2021-07-14 2021-07-14 Labor-saving and efficiency-increasing driving device Pending CN113357331A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110796184.7A CN113357331A (en) 2021-07-14 2021-07-14 Labor-saving and efficiency-increasing driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110796184.7A CN113357331A (en) 2021-07-14 2021-07-14 Labor-saving and efficiency-increasing driving device

Publications (1)

Publication Number Publication Date
CN113357331A true CN113357331A (en) 2021-09-07

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Application Number Title Priority Date Filing Date
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Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4884949A (en) * 1979-09-10 1989-12-05 Eakin Robert R Drive units for air driven vehicles
WO1998032993A1 (en) * 1997-01-23 1998-07-30 Davinci Technology Corporation Planetary belt transmission and drive
US6406261B1 (en) * 1998-04-06 2002-06-18 Kazuo Tsunoda Counter propeller propulsion unit
JP2006017149A (en) * 2004-06-30 2006-01-19 Mitsubishi Heavy Ind Ltd Power transmission of flying vehicle
US20140087909A1 (en) * 2012-09-23 2014-03-27 Yefim Kereth Planetary Belt Transmission
US20140298981A1 (en) * 2011-11-18 2014-10-09 Yuriy Valentinovich Trubyanov Energy generator
WO2015073084A1 (en) * 2013-08-20 2015-05-21 The Regents Of The University Of Colorado, A Body Corporate Hybrid co-axial shaft in shaft transmission using planetary gear set for multiple sources of torque
US9243700B1 (en) * 2015-01-20 2016-01-26 Robert Harold DeBoth Coupled worm planetary gear continuously variable ratio transmission
US20160038313A1 (en) * 2014-08-07 2016-02-11 Samsung Electronics Co., Ltd. Driving module, motion assistance apparatus including the driving module, and method of controlling the motion assistance apparatus
CN106286172A (en) * 2015-06-01 2017-01-04 汤群峰 The method obtaining energy from mutual counteracting force
US20170159787A1 (en) * 2014-03-20 2017-06-08 Yefim Kereth Hub planetary belt transmission
US20180030887A1 (en) * 2016-07-28 2018-02-01 Ewatt Technology Co., Ltd. Multi-shaft power source unmanned flight equipment
US20190136949A1 (en) * 2017-11-06 2019-05-09 Reza Khayatian Electronic, Remote Control, Automation Method for Maneuvering Machine with Internal Combustion Engine
US20200086947A1 (en) * 2017-05-23 2020-03-19 Mahle International Gmbh Bicycle having electric drive or auxiliary drive
WO2020119949A1 (en) * 2018-12-14 2020-06-18 Perkins Engines Company Limited Belt driven flywheel system

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4884949A (en) * 1979-09-10 1989-12-05 Eakin Robert R Drive units for air driven vehicles
WO1998032993A1 (en) * 1997-01-23 1998-07-30 Davinci Technology Corporation Planetary belt transmission and drive
US6406261B1 (en) * 1998-04-06 2002-06-18 Kazuo Tsunoda Counter propeller propulsion unit
JP2006017149A (en) * 2004-06-30 2006-01-19 Mitsubishi Heavy Ind Ltd Power transmission of flying vehicle
US20140298981A1 (en) * 2011-11-18 2014-10-09 Yuriy Valentinovich Trubyanov Energy generator
US20140087909A1 (en) * 2012-09-23 2014-03-27 Yefim Kereth Planetary Belt Transmission
WO2015073084A1 (en) * 2013-08-20 2015-05-21 The Regents Of The University Of Colorado, A Body Corporate Hybrid co-axial shaft in shaft transmission using planetary gear set for multiple sources of torque
US20170159787A1 (en) * 2014-03-20 2017-06-08 Yefim Kereth Hub planetary belt transmission
US20160038313A1 (en) * 2014-08-07 2016-02-11 Samsung Electronics Co., Ltd. Driving module, motion assistance apparatus including the driving module, and method of controlling the motion assistance apparatus
US9243700B1 (en) * 2015-01-20 2016-01-26 Robert Harold DeBoth Coupled worm planetary gear continuously variable ratio transmission
CN106286172A (en) * 2015-06-01 2017-01-04 汤群峰 The method obtaining energy from mutual counteracting force
US20180030887A1 (en) * 2016-07-28 2018-02-01 Ewatt Technology Co., Ltd. Multi-shaft power source unmanned flight equipment
US20200086947A1 (en) * 2017-05-23 2020-03-19 Mahle International Gmbh Bicycle having electric drive or auxiliary drive
US20190136949A1 (en) * 2017-11-06 2019-05-09 Reza Khayatian Electronic, Remote Control, Automation Method for Maneuvering Machine with Internal Combustion Engine
WO2020119949A1 (en) * 2018-12-14 2020-06-18 Perkins Engines Company Limited Belt driven flywheel system

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
TOMASZ DOBOSZ: "《IP.COM非专利全文库》", 1 September 2011, IP.COM *
杨照军: "两行星带轮的皮带行星传动系统传动比的研究", 《机械管理开发》 *
赫径: "一种高效节能发动机结构探讨", 《内燃机与配件》 *

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