CN102734339A - Crankshaft output mechanism - Google Patents

Crankshaft output mechanism Download PDF

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Publication number
CN102734339A
CN102734339A CN2012102158557A CN201210215855A CN102734339A CN 102734339 A CN102734339 A CN 102734339A CN 2012102158557 A CN2012102158557 A CN 2012102158557A CN 201210215855 A CN201210215855 A CN 201210215855A CN 102734339 A CN102734339 A CN 102734339A
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crankshaft
pulley
flywheel
gear
rear end
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CN102734339B (en
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肖亨琳
罗函
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Suzhou Yipu Power Technology Co ltd
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Wuxi Kipor Power Co Ltd
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Priority to CN201210215855.7A priority Critical patent/CN102734339B/en
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Priority to PCT/CN2013/000649 priority patent/WO2014000409A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/076—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges

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  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Pulleys (AREA)

Abstract

本发明涉及曲轴输出机构，包括曲轴、皮带轮、飞轮、减振器、曲轴前端齿轮和曲轴后端齿轮；其特征在于：所述曲轴的前、后端均设为锥形端，所述皮带轮、飞轮的安装孔设为锥形孔，曲轴前、后端与皮带轮、飞轮为高压锥度过盈连接；所述减振器通过内径止口定位，通过锁紧螺栓锁紧固定在皮带轮上；所述曲轴前端齿轮安装在曲轴前端并位于皮带轮内侧，曲轴前端齿轮与曲轴之间通过第一短定位销连接，曲轴前端齿轮与皮带轮之间通过第一长定位销连接；所述曲轴后端齿轮安装在曲轴后端并位于飞轮内侧，曲轴后端齿轮与曲轴之间通过第二短定位销连接，曲轴后端齿轮与飞轮之间通过第二长定位销连接。本发明结构简单、紧凑，安装方便，精度高且稳定。

Figure 201210215855

The invention relates to a crankshaft output mechanism, comprising a crankshaft, a pulley, a flywheel, a shock absorber, a crankshaft front-end gear and a crankshaft rear-end gear; it is characterized in that: the front and rear ends of the crankshaft are all set as tapered ends, and the pulley, The installation hole of the flywheel is set as a tapered hole, and the front and rear ends of the crankshaft are connected with the pulley and the flywheel with high-pressure taper excess; The front end gear of the crankshaft is installed on the front end of the crankshaft and is located inside the pulley, the front end gear of the crankshaft is connected to the crankshaft through the first short positioning pin, and the front end gear of the crankshaft is connected to the pulley through the first long positioning pin; the rear end gear of the crankshaft is installed on the The rear end of the crankshaft is positioned at the inside of the flywheel, the gear at the rear end of the crankshaft is connected with the crankshaft by a second short positioning pin, and the gear at the rear end of the crankshaft is connected with the flywheel by a second long positioning pin. The invention has the advantages of simple and compact structure, convenient installation, high precision and stability.

Figure 201210215855

Description

曲轴输出机构Crankshaft output mechanism

技术领域 technical field

本发明涉及一种发动机的曲轴输出机构，属于发动机传动技术领域。 The invention relates to a crankshaft output mechanism of an engine, belonging to the technical field of engine transmission.

背景技术 Background technique

大多数发动机的曲轴输出机构是飞轮和皮带轮通过键及螺栓固定在曲轴上，由曲轴带动皮带轮、飞轮和减振器运转。传统的安装方式中，曲轴上要开多个槽和开多个孔，另外减振器大多是直接连接在曲轴上，皮带轮无减振措施，使得曲轴偏长、偏重，输出端精度过低，强度不好。 The crankshaft output mechanism of most engines is that the flywheel and the pulley are fixed on the crankshaft by keys and bolts, and the crankshaft drives the pulley, flywheel and shock absorber to run. In the traditional installation method, multiple grooves and holes are required on the crankshaft. In addition, most of the shock absorbers are directly connected to the crankshaft, and the pulley has no vibration damping measures, which makes the crankshaft longer and heavier, and the accuracy of the output end is too low. Intensity is not good.

发明内容 Contents of the invention

本发明的目的在于克服现有技术中存在的不足，提供一种结构简单、紧凑，安装方便，精度高且稳定的曲轴输出机构。 The object of the present invention is to overcome the deficiencies in the prior art and provide a crankshaft output mechanism with simple and compact structure, convenient installation, high precision and stability.

按照本发明提供的技术方案：曲轴输出机构，包括曲轴、曲轴前端齿轮、皮带轮、减振器、飞轮和曲轴后端齿轮；其特征在于：所述曲轴的前、后端均设为锥形端，所述皮带轮、飞轮的安装孔设为锥形孔，并且皮带轮、飞轮安装孔内表面的锥度与曲轴前、后端外表面的锥度一致，曲轴前、后端与皮带轮、飞轮为高压锥度过盈连接；所述减振器通过内径止口定位，通过锁紧螺栓锁紧固定在皮带轮上；所述曲轴前端齿轮安装在曲轴前端并位于皮带轮内侧，曲轴前端齿轮与曲轴之间通过第一短定位销连接，曲轴前端齿轮与皮带轮之间通过第一长定位销连接；所述曲轴后端齿轮安装在曲轴后端并位于飞轮内侧，曲轴后端齿轮与曲轴之间通过第二短定位销连接，曲轴后端齿轮与飞轮之间通过第二长定位销连接。 According to the technical solution provided by the present invention: crankshaft output mechanism, including crankshaft, crankshaft front-end gear, pulley, shock absorber, flywheel and crankshaft rear-end gear; it is characterized in that: the front and rear ends of the crankshaft are all set as tapered ends , the installation holes of the belt pulley and flywheel are set as tapered holes, and the taper of the inner surface of the belt pulley and flywheel installation hole is consistent with the taper of the outer surface of the front and rear ends of the crankshaft, and the front and rear ends of the crankshaft and the pulley and flywheel are high-pressure tapers surplus connection; the shock absorber is positioned through the inner diameter spigot, and locked and fixed on the pulley by the locking bolt; the front end gear of the crankshaft is installed at the front end of the crankshaft and is located inside the pulley, and the front end gear of the crankshaft and the crankshaft pass through the first short Positioning pin connection, the front gear of the crankshaft and the pulley are connected through the first long positioning pin; the rear end gear of the crankshaft is installed at the rear end of the crankshaft and located inside the flywheel, and the rear end gear of the crankshaft is connected with the crankshaft through the second short positioning pin , the rear end gear of the crankshaft is connected with the flywheel through the second long positioning pin.

作为本发明的进一步改进，所述皮带轮、飞轮的安装孔内壁上均设有环形高压油槽，所述皮带轮、飞轮上均设有与环形高压油槽连通的打压油孔。 As a further improvement of the present invention, ring-shaped high-pressure oil grooves are provided on the inner walls of the installation holes of the pulley and flywheel, and pressure oil holes communicating with the ring-shaped high-pressure oil grooves are provided on the pulley and flywheel.

作为本发明的进一步改进，所述皮带轮、飞轮上的打压油孔的油口用防尘堵密封。 As a further improvement of the present invention, the oil port of the pressure oil hole on the pulley and the flywheel is sealed with a dust-proof plug.

作为本发明的进一步改进，所述曲轴前、后端的端面上开有螺纹中心孔，曲轴前、后端的端面上分别通过挡板螺栓连接前端挡板、后端挡板，所述前端挡板限位皮带轮，所述后端挡板限位飞轮。 As a further improvement of the present invention, the front and rear end surfaces of the crankshaft are provided with threaded central holes, and the front and rear end surfaces of the crankshaft are respectively connected to the front end baffle and the rear end baffle by baffle bolts. position pulley, the rear end baffle limit flywheel.

作为本发明的进一步改进，所述前端曲轴齿轮、后端曲轴齿轮与曲轴之间均为过盈配合连接。 As a further improvement of the present invention, the crankshaft gear at the front end, the crankshaft gear at the rear end and the crankshaft are all connected by interference fit.

本发明与现有技术相比，优点在于：本发明的曲轴输出机构结构简单、紧凑，安装方便，皮带轮、飞轮与曲轴之间靠高压锥度过盈连接，连接牢固，可靠性好，输出精度高且稳定；减振器安装在皮带轮上形成组件，使得皮带轮传动工作稳定，整个机构能够更加平稳工作。 Compared with the prior art, the present invention has the advantages that the crankshaft output mechanism of the present invention is simple and compact in structure and easy to install, and the belt pulley, flywheel and the crankshaft are connected by high pressure taper excess, the connection is firm, the reliability is good, and the output precision is high And stable; the shock absorber is installed on the pulley to form an assembly, so that the drive of the pulley works stably, and the whole mechanism can work more smoothly.

附图说明 Description of drawings

    图1为本发明实施例的结构示意图。    Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

具体实施方式 Detailed ways

下面结合具体附图和实施例对本发明作进一步说明。 The present invention will be further described below in conjunction with specific drawings and embodiments.

如图所示：实施例中的曲轴输出机构主要由曲轴1、第一短定位销2、曲轴前端齿轮3、第一长定位销4、皮带轮5、减振器6、锁紧螺栓7、前端挡板8、挡板螺栓9、防尘堵10、飞轮13、后端挡板14、第二长定位销15曲轴后端齿轮16和第二短定位销17等零部件组成。 As shown in the figure: the crankshaft output mechanism in the embodiment is mainly composed of the crankshaft 1, the first short positioning pin 2, the crankshaft front end gear 3, the first long positioning pin 4, the pulley 5, the shock absorber 6, the locking bolt 7, the front end Parts such as baffle plate 8, baffle plate bolt 9, dustproof plug 10, flywheel 13, rear end baffle plate 14, the second long locating pin 15 crankshaft rear end gear 16 and the second short locating pin 17 are formed.

所述皮带轮5与曲轴1之间的连接方式如图1所示，所述曲轴1前端设为锥形端，所述皮带轮5的安装孔设为锥形孔，皮带轮5安装孔内表面的锥度与曲轴1前端外表面的锥度一致，曲轴1前端与皮带轮5为高压锥度过盈连接。此种方式的连接，可以确保皮带轮5与曲轴1之间连接牢固、可靠，锥度配合精度高，保证了皮带轮5输出的精度和稳定性。 The connection mode between the pulley 5 and the crankshaft 1 is as shown in Figure 1, the front end of the crankshaft 1 is set as a tapered end, the mounting hole of the pulley 5 is set as a tapered hole, and the taper of the inner surface of the pulley 5 mounting hole is Consistent with the taper of the outer surface of the front end of the crankshaft 1, the front end of the crankshaft 1 and the pulley 5 are connected by a high pressure taper excess. The connection in this way can ensure firm and reliable connection between the belt pulley 5 and the crankshaft 1, and the taper matching precision is high, which ensures the output precision and stability of the belt pulley 5.

所述皮带轮5的安装孔内壁上设有环形高压油槽12，所述皮带轮5上设有与环形高压油槽12连通的打压油孔11。皮带轮5安装到位后如需拆卸，须用液压机从打压油孔11将液压油打入环形高压油槽12中，利用液压膨胀力将皮带轮5压出；另外，所述皮带轮5上的打压油孔11的油口用防尘堵10密封，以防止灰尘等异物进入打压油孔11。 An annular high-pressure oil tank 12 is provided on the inner wall of the installation hole of the pulley 5 , and a pressure oil hole 11 communicating with the annular high-pressure oil tank 12 is provided on the pulley 5 . If the belt pulley 5 needs to be disassembled after it is installed in place, hydraulic oil must be pumped into the annular high-pressure oil tank 12 from the pressure oil hole 11 with a hydraulic machine, and the belt pulley 5 is pressed out by hydraulic expansion force; in addition, the pressure oil hole 11 on the belt pulley 5 The oil port is sealed with a dust-proof plug 10 to prevent foreign matter such as dust from entering the pressure oil hole 11.

所述曲轴1前端的端面上开有螺纹中心孔，曲轴1前端的端面上通过挡板螺栓9连接前端挡板8，所述前端挡板8限位皮带轮5，在拆卸皮带轮5时起安全保障作用。 The end surface of the front end of the crankshaft 1 is provided with a threaded central hole, and the end surface of the front end of the crankshaft 1 is connected to the front end baffle plate 8 by the baffle plate bolt 9, and the front end baffle plate 8 limits the pulley 5, which is a safety guarantee when the pulley 5 is disassembled. effect.

如图1所示，所述飞轮13与曲轴1之间的连接方式和皮带轮5与曲轴1之间的连接方式相同，飞轮13与曲轴1之间采用高压锥度过盈连接，来保证传递的可靠性；飞轮13利用利用液压膨胀力从曲轴1上拆下；曲轴1后端利用后端挡板14来限位飞轮13，保证拆卸的安全性。 As shown in Figure 1, the connection mode between the flywheel 13 and the crankshaft 1 is the same as the connection mode between the pulley 5 and the crankshaft 1, and a high-pressure taper excess connection is used between the flywheel 13 and the crankshaft 1 to ensure reliable transmission The flywheel 13 is removed from the crankshaft 1 by utilizing hydraulic expansion force; the rear end of the crankshaft 1 uses the rear end baffle 14 to limit the flywheel 13 to ensure the safety of disassembly.

如图1所示，所述减振器6通过内径止口定位，通过锁紧螺栓7锁紧固定在皮带轮5上。由于减振器6不是直接连接在曲轴1上或整个曲轴输出机构的延长线上，曲轴1带动皮带轮5进而带动减振器6,对曲轴1和飞轮13起到减振作用的同时，也对皮带轮5的传动稳定性其关键作用；另外，减振器6连接在皮带轮5上也降低了曲轴1结构的复杂性，控制了曲轴1的有效长度，提高了曲轴输出机构的强度。 As shown in FIG. 1 , the shock absorber 6 is positioned through the inner diameter spigot, and locked and fixed on the pulley 5 through the locking bolt 7 . Since the shock absorber 6 is not directly connected to the crankshaft 1 or the extension line of the whole crankshaft output mechanism, the crankshaft 1 drives the belt pulley 5 and then drives the shock absorber 6, which plays a damping role on the crankshaft 1 and the flywheel 13, and also The transmission stability of the pulley 5 plays a key role; in addition, the shock absorber 6 connected to the pulley 5 also reduces the complexity of the structure of the crankshaft 1, controls the effective length of the crankshaft 1, and improves the strength of the output mechanism of the crankshaft.

如图1所示，所述曲轴前端齿轮3安装在曲轴1前端并位于皮带轮5内侧，曲轴前端齿轮3与曲轴1之间为过盈配合连接，曲轴前端齿轮3与曲轴1之间通过第一短定位销2连接，曲轴前端齿轮3与皮带轮5之间通过第一长定位销4连接；所述曲轴后端齿轮16安装在曲轴1后端并位于飞轮13内侧，曲轴后端齿轮16与曲轴1之间为过盈配合连接，曲轴后端齿轮16与曲轴1之间通过第二短定位销17连接，曲轴后端齿轮16与飞轮13之间通过第二长定位销15连接。 As shown in Figure 1, the front end gear 3 of the crankshaft is installed on the front end of the crankshaft 1 and is positioned at the inner side of the pulley 5, the front end gear 3 of the crankshaft is connected with the crankshaft 1 by an interference fit, and the front end gear 3 of the crankshaft and the crankshaft 1 are connected by a first The short positioning pin 2 is connected, and the crankshaft front end gear 3 is connected with the pulley 5 through the first long positioning pin 4; 1 is an interference fit connection, the crankshaft rear end gear 16 is connected with the crankshaft 1 through the second short positioning pin 17, and the crankshaft rear end gear 16 is connected with the flywheel 13 through the second long positioning pin 15.

Claims (5)

1. 曲轴输出机构，包括曲轴（1）、曲轴前端齿轮（3）、皮带轮（5）、减振器（6）、飞轮（13）和曲轴后端齿轮（16）；其特征在于：所述曲轴（1）的前、后端均设为锥形端，所述皮带轮（5）、飞轮（13）的安装孔设为锥形孔，并且皮带轮（5）、飞轮（13）安装孔内表面的锥度与曲轴（1）前、后端外表面的锥度一致，曲轴（1）前、后端与皮带轮（5）、飞轮（13）为高压锥度过盈连接；所述减振器（6）通过内径止口定位，通过锁紧螺栓（7）锁紧固定在皮带轮（5）上；所述曲轴前端齿轮（3）安装在曲轴（1）前端并位于皮带轮（5）内侧，曲轴前端齿轮（3）与曲轴（1）之间通过第一短定位销（2）连接，曲轴前端齿轮（3）与皮带轮（5）之间通过第一长定位销（4）连接；所述曲轴后端齿轮（16）安装在曲轴（1）后端并位于飞轮（13）内侧，曲轴后端齿轮（16）与曲轴（1）之间通过第二短定位销（17）连接，曲轴后端齿轮（16）与飞轮（13）之间通过第二长定位销（15）连接。 1. Crankshaft output mechanism, including crankshaft (1), crankshaft front-end gear (3), pulley (5), shock absorber (6), flywheel (13) and crankshaft rear-end gear (16); characterized in that: The front and rear ends of the crankshaft (1) are all set as tapered ends, the mounting holes of the pulley (5) and flywheel (13) are set as tapered holes, and the inner surfaces of the pulley (5) and flywheel (13) mounting holes are The taper of the crankshaft (1) is consistent with the taper of the outer surface of the front and rear ends of the crankshaft (1), and the front and rear ends of the crankshaft (1) are connected to the pulley (5) and the flywheel (13) with high pressure taper excess; the shock absorber (6) It is positioned through the inner diameter stop and locked and fixed on the pulley (5) by the locking bolt (7); the front end gear of the crankshaft (3) is installed on the front end of the crankshaft (1) and inside the pulley (5), and the front end gear of the crankshaft ( 3) It is connected with the crankshaft (1) through the first short positioning pin (2), and the front gear of the crankshaft (3) is connected with the pulley (5) through the first long positioning pin (4); the rear end gear of the crankshaft (16) is installed on the rear end of the crankshaft (1) and inside the flywheel (13). The gear at the rear end of the crankshaft (16) is connected to the crankshaft (1) through the second short positioning pin (17). The gear at the rear end of the crankshaft (16) ) and the flywheel (13) are connected by the second long positioning pin (15). 2.如权利要求1所述的曲轴输出机构，其特征在于：所述皮带轮（5）、飞轮（13）的安装孔内壁上均设有环形高压油槽（12），所述皮带轮（5）、飞轮（13）上均设有与环形高压油槽（12）连通的打压油孔（11）。 2. The crankshaft output mechanism according to claim 1, characterized in that: the inner walls of the installation holes of the pulley (5) and the flywheel (13) are provided with annular high-pressure oil grooves (12), and the pulley (5), The flywheels (13) are provided with pressure oil holes (11) communicating with the annular high-pressure oil tank (12). 3.如权利要求2所述的曲轴输出机构，其特征在于：所述皮带轮（5）、飞轮（13）上的打压油孔（11）的油口用防尘堵（10）密封。 3. The crankshaft output mechanism according to claim 2, characterized in that: the oil port of the pressure oil hole (11) on the pulley (5) and the flywheel (13) is sealed with a dustproof plug (10). 4.如权利要求1所述的曲轴输出机构，其特征在于：所述曲轴（1）前、后端的端面上开有螺纹中心孔，曲轴（1）前、后端的端面上分别通过挡板螺栓（9）连接前端挡板（8）、后端挡板（14），所述前端挡板（8）限位皮带轮（5），所述后端挡板（14）限位飞轮（13）。 4. The crankshaft output mechanism according to claim 1, characterized in that: the front and rear end surfaces of the crankshaft (1) are provided with threaded central holes, and the front and rear end surfaces of the crankshaft (1) are respectively passed through baffle bolts (9) Connect the front-end baffle (8) and the rear-end baffle (14), the front-end baffle (8) limits the pulley (5), and the rear-end baffle (14) limits the flywheel (13). 5.如权利要求1所述的曲轴输出机构，其特征在于：所述前端曲轴（1）齿轮、曲轴后端齿轮（16）与曲轴（1）之间均为过盈配合连接。 5. The crankshaft output mechanism according to claim 1, characterized in that: said front crankshaft (1) gear, crankshaft rear end gear (16) and crankshaft (1) are all connected by interference fit.
CN201210215855.7A 2012-06-27 2012-06-27 Crankshaft output mechanism Active CN102734339B (en)

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CN102979872A (en) * 2012-11-27 2013-03-20 天津雷沃动力有限公司 Crankshaft front-end output structure for internal combustion engine
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WO2014000409A1 (en) * 2012-06-27 2014-01-03 无锡开普动力有限公司 Crankshaft output mechanism
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CN102979872B (en) * 2012-11-27 2015-08-19 天津雷沃动力有限公司 Crankshaft front-end output structure for internal combustion engine
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CN104389914A (en) * 2014-09-05 2015-03-04 朝柴动力科技（北京）有限公司 Taper sleeve type crank vibration reduction combination belt wheel structure
CN104612828A (en) * 2015-02-12 2015-05-13 广西玉柴机器股份有限公司 Hydraulic connector of crankshaft of engine
CN112443628A (en) * 2020-12-02 2021-03-05 江苏普瑞亚动力科技有限公司 Detachable closely connected structure

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