WO2017215666A1 - 发动机缸体 - Google Patents

发动机缸体 Download PDF

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Publication number
WO2017215666A1
WO2017215666A1 PCT/CN2017/088811 CN2017088811W WO2017215666A1 WO 2017215666 A1 WO2017215666 A1 WO 2017215666A1 CN 2017088811 W CN2017088811 W CN 2017088811W WO 2017215666 A1 WO2017215666 A1 WO 2017215666A1
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WO
WIPO (PCT)
Prior art keywords
housing
spindle
mechanism mounting
crank mechanism
double crank
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PCT/CN2017/088811
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English (en)
French (fr)
Inventor
王蓬波
王平
刘银平
Original Assignee
徐州弦波引擎机械科技有限公司
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Application filed by 徐州弦波引擎机械科技有限公司 filed Critical 徐州弦波引擎机械科技有限公司
Priority to JP2018565793A priority Critical patent/JP6564149B2/ja
Priority to DE112017002991.0T priority patent/DE112017002991B4/de
Priority to US16/309,932 priority patent/US10495023B2/en
Publication of WO2017215666A1 publication Critical patent/WO2017215666A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0043—Arrangements of mechanical drive elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
    • F02B61/06—Combinations of engines with mechanical gearing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/06—Engines with means for equalising torque
    • F02B75/065—Engines with means for equalising torque with double connecting rods or crankshafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/02—Cylinders; Cylinder heads  having cooling means
    • F02F1/10—Cylinders; Cylinder heads  having cooling means for liquid cooling
    • F02F1/14—Cylinders with means for directing, guiding or distributing liquid stream
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/18—Other cylinders
    • F02F1/20—Other cylinders characterised by constructional features providing for lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0002—Cylinder arrangements
    • F02F7/0007—Crankcases of engines with cylinders in line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0021—Construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/006—Camshaft or pushrod housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
    • F02F7/007—Adaptations for cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B75/22—Multi-cylinder engines with cylinders in V, fan, or star arrangement
    • F02B75/225—Multi-cylinder engines with cylinders in V, fan, or star arrangement having two or more crankshafts

Definitions

  • the invention relates to an engine block and belongs to the technical field of engines.
  • the present invention provides an engine block that provides a specific cylinder structure for a double crank drive mechanism comprised of dual crank devices.
  • an engine block comprising a cylinder housing and a double crank mechanism mounting housing at a lower portion of the cylinder housing, the cylinder housing being integrally connected with the double crank mechanism mounting housing;
  • a cylinder cavity formed in a sealed contact with the piston head to form a combustion chamber is formed in the cylinder housing
  • the double crank mechanism mounting housing is enclosed by an end cover and a side cover, and has a lower opening.
  • the inside of the double crank mechanism mounting housing is directly below the position corresponding to the cylinder cavity, and is formed to be compatible with the guide rod of the piston.
  • the piston rod guiding groove is provided with a connecting rod chute for supporting the up and down movement of the connecting rod on the guiding groove of the piston rod, and the two sides of the guiding groove of the piston rod are provided with a cranking activity for satisfying the circular rotation of the crankshaft around the main axis.
  • a cavity, a spindle mounting hole for a crankshaft main shaft is formed on a housing at each end of each cranking movable cavity, and a spindle supporting portion is arranged below the spindle mounting hole;
  • One end of the double crank mechanism mounting housing is mounted with a central output gear spindle, and the installation position thereof is satisfied.
  • the center output wheel meshes with the transmission gears at the ends of the dual crankshafts.
  • the piston rod guiding groove is a cylindrical through groove
  • the connecting rod sliding groove is a rectangular through groove
  • the spindle support portion is a spindle cover
  • the spindle mounting hole is a semi-circular hole
  • the spindle cover has abutting semi-circular hole.
  • the spindle cover is fastened to the spindle mounting hole by a connecting member, and the semi-circular hole and the spindle are mounted.
  • the holes are butted to form a circular hole in the spindle.
  • the end caps of the two crankshaft mechanism mounting shells and the double crankshaft mechanism mounting shells are respectively provided with a tile cover mounting groove under each spindle mounting hole, and a sealing plate is formed between the tile cap mounting slots, and the spindle tile cover is installed on the tile The cover is installed in the slot.
  • the water channel interface is mounted on a side of the cylinder housing, and the water channel interface has both a water return port and a water inlet port.
  • the upper end of the cylinder housing and the lower end of the dual crank mechanism mounting housing are fabricated with fastener mounting interfaces for connection to other components of the engine casing.
  • a drive gear cover adapted to the transmission gear is mounted on both sides of the center output gear spindle on the dual crank mechanism mounting housing.
  • the cylinder housing or the double crank mechanism mounting housing has a water channel interface for connecting a cooling water source, and a sidewall of the cylinder cavity is formed with a cooling water channel communicating with the water channel.
  • the cylinder housing or the double crank mechanism mounting housing has an oil passage interface, and the inner wall of the cylinder housing and the double crank mechanism mounting housing is formed with a lubricating oil passage for lubricating the moving parts of the crankshaft and the piston guiding portion. Each lubricating oil passage is in communication with the oil passage interface.
  • the invention has the beneficial effects that the double crank transmission mechanism composed of the double crank device provides a specific cylinder structure, and the separation between the sealed end and the guiding end of the piston is realized, and all the moving surfaces are at low temperature and easy to be lubricated.
  • the environment, compact structure and good maneuverability meet the needs of the actual operation of the engine.
  • Figure 1 is a front view of the present invention
  • Figure 2 is a plan view of Figure 1;
  • Figure 3 is a bottom view of Figure 1;
  • Figure 4 is a right side view of Figure 1;
  • Figure 5 is an angled internal view of Figure 4.
  • Figure 6 is a left side view of Figure 1;
  • Figure 7 is an angled internal view of Figure 6;
  • Figure 8 is a cross-sectional view taken along line A-A of Figure 2;
  • Figure 9 is a cross-sectional view taken along line B-B of Figure 2;
  • Figure 10 is a view after adding a spindle cover
  • Figure 11 is a perspective view of the present invention.
  • Figure 14 is a schematic view of the piston movement and connection structure of the present invention.
  • Figure 15 is a structural view of a double crank transmission mechanism incorporated in the present invention.
  • an engine block including a cylinder housing 1 and a double crank mechanism mounting housing 2 located at a lower portion of the cylinder housing 1, the cylinder The housing 1 is connected to the double crank mechanism mounting housing 2 as a whole;
  • the cylinder housing 1 is formed with a cylinder cavity 3 that is in sealing contact with the piston head to form a combustion chamber.
  • the double crank mechanism mounting housing 2 is formed by the end cover 2-1 and the side cover 2-2, and is open at the lower side.
  • the inside of the double crank mechanism mounting housing 2 is directly below the position of the cylinder cavity 3,
  • the piston rod guiding groove 6 is matched with the guiding rod of the piston, and the connecting rod chute 7 is arranged on the piston rod guiding groove 6 for engaging the up and down movement of the connecting rod, and the piston rod guiding groove 6 is provided on both sides to satisfy the crankshaft.
  • the crank turns around the main axis to make a circular motion of the cranking movable cavity 4, and the housings at both ends of each of the cranking movable cavity 4 are formed with a spindle mounting hole 5 through which the crankshaft main shaft passes, and the spindle mounting hole 5 is mounted below Spindle support;
  • One end of the double crank mechanism mounting housing 2 is mounted with a central output gear spindle 9, which is mounted at a position that simultaneously engages the central output wheel and the transmission gears of the dual crankshaft ends.
  • the piston rod guiding groove 6 is a cylindrical through groove
  • the connecting rod sliding groove 7 is a rectangular through groove.
  • the spindle support portion is a spindle cover 15, the spindle mounting hole 5 is a semi-circular hole, the spindle cover 15 has a butt semi-circular hole 15-1, and the spindle cover 15 is fastened to the spindle mounting hole 5 by a connector.
  • Upper, the butt semi-circular hole 15-1 is butted against the spindle mounting hole 5 to form a spindle round hole.
  • the end cover 2-1 at both ends of the double crank mechanism mounting housing 2 and each of the main shaft mounting holes 5 in the double crank mechanism mounting housing 2 are formed with a tile cover mounting groove 2-4, and the tile cover mounting groove 2-4 A sealing plate 2-3 is formed therebetween, and the main bearing cover 15 is installed in the tile cover mounting groove 2-4.
  • the water channel interface 10 is mounted on the side of the cylinder housing 1.
  • the water channel interface 10 can be formed as a protruding block, only for cooperation with the test water pump, and generally does not be implemented in the specific implementation. In a convex shape.
  • the water channel interface 10 has both a water return port 10-1 and a water inlet port 10-2.
  • the upper end of the cylinder housing 1 and the lower end of the dual crank mechanism mounting housing 2 are formed with a fastener mounting interface 8 for connection to other components of the engine casing.
  • a drive gear cover 13 adapted to the drive gear is mounted on both sides of the center output gear spindle 9 on the dual crank mechanism mounting housing 2.
  • the cylinder housing 1 or the double crank mechanism mounting housing 2 has a water channel port 10 for connecting a cooling water source, and a cooling water channel 11 communicating with the water channel port 10 is formed around the side wall of the cylinder chamber 3.
  • the cylinder housing 1 or the double crank mechanism mounting housing 2 has an oil passage interface 16 on the inner wall of the cylinder housing 1 and the double crank mechanism mounting housing 2 for lubricating the crankshaft and the piston guide portion.
  • the lubricating oil passages 12 and the lubricating oil passages 12 communicate with the oil passage interface 16.
  • the invention provides a specific cylinder structure for the double crank transmission mechanism composed of the double crank device, and realizes the separation of the sealed end and the guiding end of the piston. All the moving surfaces are in a low temperature and easy to lubricate environment, and the structure is compact and technical. Well, it meets the needs of the actual operation of the engine.

Abstract

一种发动机缸体，包括气缸壳体(1)和位于气缸壳体(1)下部的双曲轴机构安装壳体(2)，气缸壳体(1)与双曲轴机构安装壳体(2)连为一个整体；气缸壳体(1)内制作有与活塞头密封接触构成燃烧室的气缸腔体(3)，所述双曲轴机构安装壳体(2)由端罩(2-1)和侧罩(2-2)围合而成，双曲轴机构安装壳体(2)内部有活塞杆导向槽(6)，活塞杆导向槽(6)上贯穿设有连杆滑槽(7)，活塞杆导向槽(6)两侧设有曲拐活动腔体(4)，每个曲拐活动腔体(4)两端的壳体上制作有供曲轴主轴穿过的主轴安装孔(5)，主轴安装孔(5)下方装有主轴支撑部；所述双曲轴机构安装壳体(2)的一端安装有中心输出齿轮芯轴(9)，其安装位置满足中心输出轮与双曲轴端部的传动齿轮同时啮合。所述发动机缸体为双曲轴机构提供了一种具体的缸体结构，实现了活塞的密封端与导向端的分离，满足了发动机实际运转的需要。

Description

发动机缸体 技术领域
本发明涉及一种发动机缸体，属于发动机技术领域。
背景技术
目前，无论是汽油机还是柴油机，实际热效率比理论热效率都低很多，造成这种现象的主要原因之一是与高温燃气直接接触的缸套、活塞等零部件是由绝热效果较差的金属材料制造，金属材料持续可靠的工作需要依靠冷却系统不断的冷却其从密闭燃烧室吸取的热能。陶瓷材料是一种绝热效果较好的材料，缸套、活塞等零部件与高温燃气直接接触的部分如果使用陶瓷材料制造便可提高实际热效率，但是因为陶瓷材料的脆性而导致的低可靠性成为其应用在发动机上的技术障碍。
本发明人已经申请的专利(专利申请号：CN 201410653964.6)提出了解决上述问题的由双曲轴装置组成的双曲柄传动机构，但是，尚没有公开具体的缸体结构。
发明内容
为了克服上述现有技术的不足之处，本发明提供一种发动机缸体，为由双曲轴装置组成的双曲柄传动机构提供了一种具体的缸体结构。
本发明是通过如下技术方案实现的：一种发动机缸体，它包括气缸壳体和位于气缸壳体下部的双曲轴机构安装壳体，气缸壳体与双曲轴机构安装壳体连为一个整体；
所述气缸壳体内制作有与活塞头密封接触构成燃烧室的气缸腔体，
所述双曲轴机构安装壳体由端罩和侧罩围合而成，下方开口，双曲轴机构安装壳体内部与所述气缸腔体位置对应的正下方、制作有与活塞的导向杆相适配的活塞杆导向槽，活塞杆导向槽上贯穿设有用于配合连杆上下运动的连杆滑槽，活塞杆导向槽两侧设有满足曲轴的曲拐绕主轴线做圆周运动的曲拐活动腔体，每个曲拐活动腔体两端的壳体上制作有供曲轴主轴穿过的主轴安装孔，主轴安装孔下方装有主轴支撑部；
所述双曲轴机构安装壳体的一端安装有中心输出齿轮芯轴，其安装位置满足 中心输出轮与双曲轴端部的传动齿轮同时啮合。
所述的活塞杆导向槽是圆柱形通槽，所述连杆滑槽是矩形通槽。
所述主轴支撑部是主轴瓦盖，所述主轴安装孔是半圆孔，所述主轴瓦盖上具有对接半圆孔，主轴瓦盖通过连接件紧固在主轴安装孔上，对接半圆孔与主轴安装孔对接形成主轴圆孔。
所述双曲轴机构安装壳体两端的端罩和双曲轴机构安装壳体内每个主轴安装孔下方制作有瓦盖安装槽，瓦盖安装槽之间形成封板，所述主轴瓦盖安装在瓦盖安装槽内。
所述水道接口安装在所述气缸壳体的侧部，所述水道接口上同时具有回水口和进水口。
所述气缸壳体的上端和所述双曲轴机构安装壳体的下端制作有用于与发动机外壳其它部件连接的紧固件安装接口。
所述双曲轴机构安装壳体上的中心输出齿轮芯轴的两侧安装有与传动齿轮适配的传动齿轮罩。
所述气缸壳体或双曲轴机构安装壳体上有用于连接冷却水源的水道接口，所述气缸腔体的侧壁周边制作有与水道接口相通的冷却水道。
所述气缸壳体或双曲轴机构安装壳体上有油道接口，所述气缸壳体和双曲轴机构安装壳体内壁上制作有用于润滑曲轴和活塞导向部各运动副部位的润滑油道，各润滑油道与油道接口相通。
本发明的有益效果是：本发明为由双曲轴装置组成的双曲柄传动机构提供了一种具体的缸体结构，实现了活塞的密封端与导向端的分离，所有运动表面都处在低温易润滑环境，结构紧凑，工艺性好，满足了发动机实际运转的需要。
附图说明
下面根据附图和实施例对本发明进一步说明。
图1是本发明主视图；
图2是图1的俯视图；
图3是图1的仰视图；
图4是图1的右视图；
图5是图4角度内部视图；
图6是图1的左视图；
图7是图6角度内部视图；
图8是图2的A-A剖视图；
图9是图2的B-B剖视图；
图10是加上主轴瓦盖后的视图；
图11是本发明立体图；
图12-图13是本发明加上油底壳之后的两个角度的立体图；
图14是本发明活塞运动和连接结构原理图；
图15是本发明内装的双曲柄传动机构结构图。
图中，1、气缸壳体，2、双曲轴机构安装壳体，2-1、端罩，2-2、侧罩，2-3、封板，2-4、瓦盖安装槽，3、气缸腔体，4、曲拐活动腔体，5、主轴安装孔，6、活塞杆导向槽，7、连杆滑槽，8、紧固件安装接口，9、中心输出齿轮芯轴，10、水道接口，10-1、回水口，10-2、进水口，11、冷却水道，12、润滑油道，13、传动齿轮罩，14、中心齿轮输出部，15、主轴瓦盖，15-1、对接半圆孔，16、油道接口，17、油底壳。
具体实施方式
下面结合实施例对本发明进一步说明。
如附图图1-图15所示，本发明是通过如下技术方案实现的：一种发动机缸体，它包括气缸壳体1和位于气缸壳体1下部的双曲轴机构安装壳体2，气缸壳体1与双曲轴机构安装壳体2连为一个整体；
所述气缸壳体1内制作有与活塞头密封接触构成燃烧室的气缸腔体3，
所述双曲轴机构安装壳体2由端罩2-1和侧罩2-2围合而成，下方开口，双曲轴机构安装壳体2内部与所述气缸腔体3位置对应的正下方、制作有与活塞的导向杆相适配的活塞杆导向槽6，活塞杆导向槽6上贯穿设有用于配合连杆上下运动的连杆滑槽7，活塞杆导向槽6两侧设有满足曲轴的曲拐绕主轴线做圆周运动的曲拐活动腔体4，每个曲拐活动腔体4两端的壳体上制作有供曲轴主轴穿过的主轴安装孔5，主轴安装孔5下方装有主轴支撑部；
所述双曲轴机构安装壳体2的一端安装有中心输出齿轮芯轴9，其安装位置满足中心输出轮与双曲轴端部的传动齿轮同时啮合。
所述的活塞杆导向槽6是圆柱形通槽，所述连杆滑槽7是矩形通槽。
所述主轴支撑部是主轴瓦盖15，所述主轴安装孔5是半圆孔，所述主轴瓦盖15上具有对接半圆孔15-1，主轴瓦盖15通过连接件紧固在主轴安装孔5上，对接半圆孔15-1与主轴安装孔5对接形成主轴圆孔。
所述双曲轴机构安装壳体2两端的端罩2-1和双曲轴机构安装壳体2内每个主轴安装孔5下方制作有瓦盖安装槽2-4，瓦盖安装槽2-4之间形成封板2-3，所述主轴瓦盖15安装在瓦盖安装槽2-4内。
所述水道接口10安装在所述气缸壳体1的侧部，附图中，水道接口10可以做成凸出的块体，仅是为了与试验用的水泵配合，具体实施时一般不会做成凸出的形状。所述水道接口10上同时具有回水口10-1和进水口10-2。
所述气缸壳体1的上端和所述双曲轴机构安装壳体2的下端制作有用于与发动机外壳其它部件连接的紧固件安装接口8。
所述双曲轴机构安装壳体2上的中心输出齿轮芯轴9的两侧安装有与传动齿轮适配的传动齿轮罩13。
所述气缸壳体1或双曲轴机构安装壳体2上有用于连接冷却水源的水道接口10，所述气缸腔体3的侧壁周边制作有与水道接口10相通的冷却水道11。
所述气缸壳体1或双曲轴机构安装壳体2上有油道接口16，所述气缸壳体1和双曲轴机构安装壳体2内壁上制作有用于润滑曲轴和活塞导向部各运动副部位的润滑油道12，各润滑油道12与油道接口16相通。
本发明为由双曲轴装置组成的双曲柄传动机构提供了一种具体的缸体结构，实现了活塞的密封端与导向端的分离，所有运动表面都处在低温易润滑环境，结构紧凑，工艺性好，满足了发动机实际运转的需要。

Claims (9)

  1. 一种发动机缸体，其特征在于：它包括气缸壳体(1)和位于气缸壳体(1)下部的双曲轴机构安装壳体(2)，气缸壳体(1)与双曲轴机构安装壳体(2)连为一个整体；
    所述气缸壳体(1)内制作有与活塞头密封接触构成燃烧室的气缸腔体(3)，
    所述双曲轴机构安装壳体(2)由端罩(2-1)和侧罩(2-2)围合而成，下方开口，双曲轴机构安装壳体(2)内部与所述气缸腔体(3)位置对应的正下方、制作有与活塞的导向杆相适配的活塞杆导向槽(6)，活塞杆导向槽(6)上贯穿设有用于配合连杆上下运动的连杆滑槽(7)，活塞杆导向槽(6)两侧设有满足曲轴的曲拐绕主轴线做圆周运动的曲拐活动腔体(4)，每个曲拐活动腔体(4)两端的壳体上制作有供曲轴主轴穿过的主轴安装孔(5)，主轴安装孔(5)下方装有主轴支撑部；
    所述双曲轴机构安装壳体(2)的一端安装有中心输出齿轮芯轴(9)，其安装位置满足中心输出轮与双曲轴端部的传动齿轮同时啮合。
  2. 根据权利要求1所述的发动机缸体，其特征在于：所述的活塞杆导向槽(6)是圆柱形通槽，所述连杆滑槽(7)是矩形通槽。
  3. 根据权利要求1所述的发动机缸体，其特征在于：所述主轴支撑部是主轴瓦盖(15)，所述主轴安装孔(5)是半圆孔，所述主轴瓦盖(15)上具有对接半圆孔(15-1)，主轴瓦盖(15)通过连接件紧固在主轴安装孔(5)上，对接半圆孔(15-1)与主轴安装孔(5)对接形成主轴圆孔。
  4. 根据权利要求3所述的发动机缸体，其特征在于：所述双曲轴机构安装壳体(2)两端的端罩(2-1)和双曲轴机构安装壳体(2)内每个主轴安装孔(5)下方均制作有瓦盖安装槽(2-4)，瓦盖安装槽(2-4)之间形成封板(2-3)，所述主轴瓦盖(15)安装在瓦盖安装槽(2-4)内。
  5. 根据权利要求1所述的发动机缸体，其特征在于：所述水道接口(10)安装在所述气缸壳体(1)的侧部，所述水道接口(10)上同时具有回水口(10-1)和进水口(10-2)。
  6. 根据权利要求1所述的发动机缸体，其特征在于：所述气缸壳体(1)的上端和所述双曲轴机构安装壳体(2)的下端制作有用于与发动机外壳其它部件 连接的紧固件安装接口(8)。
  7. 根据权利要求1所述的发动机缸体，其特征在于：所述双曲轴机构安装壳体(2)上的中心输出齿轮芯轴(9)的两侧安装有与传动齿轮适配的传动齿轮罩(13)。
  8. 根据权利要求1所述的发动机缸体，其特征在于：所述气缸壳体(1)或双曲轴机构安装壳体(2)上有用于连接冷却水源的水道接口(10)，所述气缸腔体(3)的侧壁周边制作有与水道接口(10)相通的冷却水道(11)。
  9. 根据权利要求1所述的发动机缸体，其特征在于：所述气缸壳体(1)或双曲轴机构安装壳体(2)上有油道接口(16)，所述气缸壳体(1)和双曲轴机构安装壳体(2)内壁上制作有用于润滑曲轴和活塞导向部各运动副部位的润滑油道(12)，各润滑油道(12)与油道接口(16)相通。
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