CN103940621A - Hydraulic disc-type dynamometer - Google Patents
Hydraulic disc-type dynamometer Download PDFInfo
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- CN103940621A CN103940621A CN201410176947.8A CN201410176947A CN103940621A CN 103940621 A CN103940621 A CN 103940621A CN 201410176947 A CN201410176947 A CN 201410176947A CN 103940621 A CN103940621 A CN 103940621A
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Abstract
一种液压圆盘式测功机，主要包括传动轴、壳体部分、制动部分、制动圆盘、轴承、轴承盖、力臂杆。壳体部分包括箱体和箱盖，箱体上设有液压油管进出的通孔，制动部分包括制动圆盘、制动钳和两片摩擦片。通过控制输入的液压油的压力大小，改变摩擦片与制动圆盘之间的摩擦力，从而改变液压圆盘式测功机的加载力。本发明体积小、结构简单紧凑、成本低、低能耗、容易安装与拆卸、且方便控制，是一种经济实用的测功机。
A hydraulic disc type dynamometer mainly includes a transmission shaft, a shell part, a brake part, a brake disc, a bearing, a bearing cap and a moment arm rod. The casing part includes a box body and a box cover, and the box body is provided with a through hole for the hydraulic oil pipe to enter and exit. The braking part includes a brake disc, a brake caliper and two friction plates. By controlling the pressure of the input hydraulic oil, the friction force between the friction plate and the brake disc is changed, thereby changing the loading force of the hydraulic disc dynamometer. The invention is an economical and practical dynamometer with small volume, simple and compact structure, low cost, low energy consumption, easy installation and disassembly, and convenient control.
Description
技术领域technical field
本发明涉及汽车试验的技术领域，是一种液压圆盘式测功机。The invention relates to the technical field of automobile testing, and relates to a hydraulic disc dynamometer.
背景技术Background technique
目前，在汽车试验设备的技术领域里面，模拟道路试验加载装置类型很多，比如水力测功机、电涡流测功机、电力测功机等，这些设备有些是体积大、加载调节时间长、测量精度低，或者是价格太高、结构复杂、安装困难等，如电涡流测功机成本高、耗能大、控制相对复杂等，因此，本发明设计并制造出一种液压圆盘式测功机，为汽车的定道路负载试验、定力矩反拖试验和行驶道路负载试验方面提供一种经济实用的产品。At present, in the technical field of automobile test equipment, there are many types of loading devices for simulated road tests, such as hydraulic dynamometers, eddy current dynamometers, and electric dynamometers. Low precision, or too high price, complex structure, difficult installation, etc., such as high cost, high energy consumption, and relatively complicated control of eddy current dynamometers. Therefore, the present invention designs and manufactures a hydraulic disc dynamometer The machine provides an economical and practical product for the constant road load test, constant torque anti-drag test and driving road load test of automobiles.
发明内容Contents of the invention
本发明的目的是设计一种体积小、结构简单紧凑、成本低、低能耗、容易安装与拆卸、方便控制、实用性好的液压圆盘式测功机。其工作方式为：传动轴输出转矩，带动制动圆盘转动，壳体部分不动，同时，随着输入到液压缸的液压油压力慢慢增大，液压油推动活塞，从而推动第二摩擦片向第一摩擦片方向靠拢并逐渐夹住制动圆盘，制动圆盘在第一摩擦片和第二摩擦片的摩擦力作用下，吸收汽车输出轴的动力，实现汽车模拟道路的加载试验。The purpose of the present invention is to design a hydraulic disc dynamometer with small volume, simple and compact structure, low cost, low energy consumption, easy installation and disassembly, convenient control and good practicability. Its working method is as follows: the output torque of the transmission shaft drives the brake disc to rotate, and the housing part does not move. At the same time, as the pressure of the hydraulic oil input to the hydraulic cylinder gradually increases, the hydraulic oil pushes the piston, thereby pushing the second brake disc. The friction plate moves closer to the first friction plate and gradually clamps the brake disc. Under the action of the friction force of the first friction plate and the second friction plate, the brake disc absorbs the power of the output shaft of the car and realizes the simulation of the road of the car. load test.
为了实现上述功能，本发明采用了如下技术方案：液压圆盘式测功机，主要由传动轴、壳体部分、制动部分、制动圆盘、轴承、轴承盖、力臂杆组成。传动轴端头上开有键槽，使其能与发动机、减速机或者变速箱输出轴连接；壳体部分包括箱体和箱盖，箱盖分别与箱体两侧连接，箱体上开设有液压油管进出的通孔；轴承内环套在传动轴上，外环安装在两侧箱盖上；轴承盖与箱盖连接；制动部分包括制动钳、第一摩擦片、第二摩擦片、活塞，第一摩擦片与制动钳左侧固连，第二摩擦片与活塞连接，活塞与制动钳右侧形成液压缸，密封腔右侧上设有进油口；制动圆盘与传动轴圆盘连接，安装于第一摩擦片和第二摩擦片之间；制动钳与箱盖连接；力臂杆与箱体固连，处于水平位置，力臂杆上开有连接通孔，使其能与外接的拉压传感器连接。In order to realize the above functions, the present invention adopts the following technical solutions: a hydraulic disc dynamometer, which is mainly composed of a transmission shaft, a housing part, a braking part, a braking disc, a bearing, a bearing cap and a lever. There is a keyway on the end of the transmission shaft, so that it can be connected with the output shaft of the engine, reducer or gearbox; the shell part includes the box body and the box cover, and the box cover is respectively connected to both sides of the box body, and the box body is provided with hydraulic pressure. The through hole for the inlet and outlet of the oil pipe; the inner ring of the bearing is sleeved on the transmission shaft, and the outer ring is installed on the case covers on both sides; the bearing cover is connected with the case cover; the braking part includes the brake caliper, the first friction plate, the second friction plate, Piston, the first friction plate is fixedly connected with the left side of the brake caliper, the second friction plate is connected with the piston, the piston and the right side of the brake caliper form a hydraulic cylinder, and the right side of the sealing chamber is provided with an oil inlet; the brake disc and The transmission shaft disc is connected and installed between the first friction plate and the second friction plate; the brake caliper is connected with the box cover; the lever arm is fixedly connected with the box body and is in a horizontal position, and there is a connecting through hole on the lever arm , so that it can be connected with an external tension and pressure sensor.
本发明突出的优点如下：本发明利用液压油压来驱动制动钳的摩擦片以对传动轴加载，其设计结构紧凑、操作方便安全、整体的体积小、安装方便简单、成本低且能耗小，便于降低维修成本和提高测试精度，而且液压的控制和调整方便，实用性好。The outstanding advantages of the present invention are as follows: the present invention uses hydraulic oil pressure to drive the friction plate of the brake caliper to load the drive shaft, and has compact design, convenient and safe operation, small overall volume, convenient and simple installation, low cost and energy consumption Small, easy to reduce maintenance costs and improve test accuracy, and the hydraulic control and adjustment are convenient, and the practicability is good.
附图说明Description of drawings
图1是本发明液压圆盘式测功机的前视内部结构图。Fig. 1 is a front view internal structure diagram of the hydraulic disc dynamometer of the present invention.
图2是本发明液压圆盘式测功机图1的右视内部结构图。Fig. 2 is a right view internal structure diagram of Fig. 1 of the hydraulic disc dynamometer of the present invention.
图3是本发明液压圆盘式测功机的制动部分结构图。Fig. 3 is a structural diagram of the braking part of the hydraulic disc dynamometer of the present invention.
具体实施方式Detailed ways
如附图所示，本发明的液压圆盘式测功机，主要由传动轴12、壳体部分、制动部分、轴承2、轴承盖14、力臂杆16组成。传动轴12端头上开有键槽13；壳体部分包括箱体1和箱盖15，箱盖15分别与箱体1两侧连接，箱体1上开设有液压油管进出的通孔8；轴承2内环套在传动轴12上，外环安装在两侧箱盖15上，工作时，外环不动，内环转动；轴承盖14与箱盖15连接：制动部分包括制动钳6、第一摩擦片5、第二摩擦片7、活塞9，第一摩擦片5与制动钳6左侧固连，第二摩擦片7与活塞9连接，活塞9与制动钳6右侧形成液压缸10，液压缸10右侧上设有进油口11；制动圆盘4与传动轴圆盘3连接，安装于第一摩擦片5和第二摩擦片7之间；制动钳6与箱盖15连接；力臂杆16与箱体1固连，处于水平位置，力臂杆16上开有连接通孔17。As shown in the accompanying drawings, the hydraulic disc dynamometer of the present invention is mainly composed of a transmission shaft 12, a housing part, a brake part, a bearing 2, a bearing cover 14, and a lever 16 of a moment arm. There is a keyway 13 on the end of the transmission shaft 12; the shell part includes a box body 1 and a box cover 15, the box cover 15 is respectively connected to both sides of the box body 1, and the box body 1 is provided with a through hole 8 for the hydraulic oil pipe to enter and exit; the bearing 2. The inner ring is sleeved on the transmission shaft 12, and the outer ring is installed on the case covers 15 on both sides. When working, the outer ring does not move, and the inner ring rotates; the bearing cover 14 is connected with the case cover 15: the braking part includes a brake caliper 6 , the first friction plate 5, the second friction plate 7, the piston 9, the first friction plate 5 is fixedly connected with the left side of the brake caliper 6, the second friction plate 7 is connected with the piston 9, and the piston 9 is connected with the right side of the brake caliper 6 A hydraulic cylinder 10 is formed, and an oil inlet 11 is provided on the right side of the hydraulic cylinder 10; the brake disc 4 is connected with the transmission shaft disc 3, and is installed between the first friction plate 5 and the second friction plate 7; the brake caliper 6 is connected with the case cover 15; the arm bar 16 is fixedly connected with the box body 1 and is in a horizontal position, and the arm bar 16 has a connection through hole 17.
工作时，传动轴12输出转矩，带动制动圆盘4转动，壳体部分不动，同时，随着输入到液压缸10的液压油压力慢慢增大，液压油推动活塞9，从而推动第二摩擦片7向第一摩擦片5方向靠拢并逐渐夹住制动圆盘4，制动圆盘4在第一摩擦片5和第二摩擦片7的摩擦力作用下，吸收汽车输出轴的动力。When working, the transmission shaft 12 outputs torque to drive the brake disc 4 to rotate, and the housing part does not move. At the same time, as the pressure of the hydraulic oil input to the hydraulic cylinder 10 gradually increases, the hydraulic oil pushes the piston 9, thereby pushing The second friction plate 7 moves closer to the first friction plate 5 and gradually clamps the brake disc 4. Under the frictional force of the first friction plate 5 and the second friction plate 7, the brake disc 4 absorbs the output shaft of the automobile. motivation.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410176947.8A CN103940621A (en) | 2014-04-29 | 2014-04-29 | Hydraulic disc-type dynamometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410176947.8A CN103940621A (en) | 2014-04-29 | 2014-04-29 | Hydraulic disc-type dynamometer |
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| CN103940621A true CN103940621A (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410176947.8A Pending CN103940621A (en) | 2014-04-29 | 2014-04-29 | Hydraulic disc-type dynamometer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424274A (en) * | 2015-12-16 | 2016-03-23 | 常州电站辅机总厂有限公司 | Novel electric valve actuator delivery test frictional loading device |
| CN105716856A (en) * | 2014-12-01 | 2016-06-29 | 株洲高精齿轮有限公司 | Gear running-in device |
| CN112901800A (en) * | 2019-12-03 | 2021-06-04 | 呼阀科技控股股份有限公司 | Vibration-eliminating butterfly valve |
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| US4215569A (en) * | 1978-12-11 | 1980-08-05 | M & W Gear Company | Unitary valve for water brake dynamometer |
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| CN201837529U (en) * | 2010-10-11 | 2011-05-18 | 山东交通学院 | Combination property test-bed for disc brake |
| CN203929397U (en) * | 2014-04-29 | 2014-11-05 | 广西大学 | Hydraulic disc formula dynamometer machine |
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2014
- 2014-04-29 CN CN201410176947.8A patent/CN103940621A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| US4215569A (en) * | 1978-12-11 | 1980-08-05 | M & W Gear Company | Unitary valve for water brake dynamometer |
| CN2165436Y (en) * | 1993-09-09 | 1994-05-18 | 钱军 | Direct measuring type chassis ergograph |
| CN2807230Y (en) * | 2005-07-05 | 2006-08-16 | 王培文 | Water-cooling disk type electric eddy current dynamometer |
| CN201096567Y (en) * | 2007-08-17 | 2008-08-06 | 张媛 | Liquid viscosity dynamometer machine |
| CN201837529U (en) * | 2010-10-11 | 2011-05-18 | 山东交通学院 | Combination property test-bed for disc brake |
| CN203929397U (en) * | 2014-04-29 | 2014-11-05 | 广西大学 | Hydraulic disc formula dynamometer machine |
Non-Patent Citations (1)
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| 张平: "液压测功机应用双联油泵实现连续测试", 《科技资讯》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716856A (en) * | 2014-12-01 | 2016-06-29 | 株洲高精齿轮有限公司 | Gear running-in device |
| CN105424274A (en) * | 2015-12-16 | 2016-03-23 | 常州电站辅机总厂有限公司 | Novel electric valve actuator delivery test frictional loading device |
| CN112901800A (en) * | 2019-12-03 | 2021-06-04 | 呼阀科技控股股份有限公司 | Vibration-eliminating butterfly valve |
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