CN113092106A - Test control method suitable for double-wheel milling wheel speed reducer - Google Patents
Test control method suitable for double-wheel milling wheel speed reducer Download PDFInfo
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- CN113092106A CN113092106A CN202110371901.1A CN202110371901A CN113092106A CN 113092106 A CN113092106 A CN 113092106A CN 202110371901 A CN202110371901 A CN 202110371901A CN 113092106 A CN113092106 A CN 113092106A
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- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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Abstract
The invention discloses a test control method suitable for a double-wheel milling wheel speed reducer, which is suitable for testing the double-wheel milling wheel speed reducer; the bench test bed adopted by the method comprises a power input end, a sensor, a main test double-wheel milling wheel reducer, a tested double-wheel milling wheel reducer, a power output end and a master control platform. The invention can realize the test of the double-wheel milling wheel reducer, reduce the economic loss, recycle the energy and protect the environment.
Description
The application is a divisional application of the invention patent with the parent case name of a bench test bench suitable for testing a double-wheel milling wheel speed reducer and a test control method thereof; the parent application has the application number: CN 201610947249.2; the application date of the parent application is as follows: 2016.10.26.
Technical Field
The invention relates to the field of industrial production, in particular to a test control method suitable for a double-wheel milling wheel speed reducer.
Background
In recent years, national blowout type large-scale construction of new cities and matched municipal works thereof have gained remarkable results, however, disasters such as sea-seeing, ground collapse and the like in rainy seasons are brought about! The trial point of building sponge city proposed by related departments of the recent country makes the construction equipment of large continuous wall (up to 150 meters below the ground at the deepest) -grooving double-wheel milling equipment enter the priority line! In addition, the device has a plurality of applications in large subway stations, deep water harbor wharfs, heavy hydraulic engineering and the like.
At present, the double-wheel milling equipment is mainly imported from foreign countries, and one of the key execution components of the double-wheel milling equipment is as follows: the milling wheel driving speed reducer has the disadvantages of high price, poor reliability, high failure rate, high maintenance cost and long period, so that a construction unit is quite blind!
At present, large-scale double-wheel milling complete equipment (such as German BC40) used in China is almost all imported and is expensive (about 4300 ten thousand-1 hundred million RMB), a milling wheel driving speed reducer is one of the key elements, and although the performance and the reliability of the large-scale double-wheel milling complete equipment are general (the maintenance cost of a user is remarkable), irrelevant personnel are prohibited from being involved in field maintenance abroad, and the technology is strictly kept secret.
And because the transmission structure of the double-wheel milling wheel speed reducer is special, and the speed reducer generally operates in slurry in a deep groove of 50-150 meters or more (national safety engineering), the working environment is extremely severe, and the reliability of the double-wheel milling wheel speed reducer has great influence on the double-wheel milling equipment and the engineering construction quality, progress and safety thereof. How to assess the design and manufacturing level of the speed reducer and the maintenance quality in engineering practice, no existing standard, standard and detection method exists at present, and any existing open or closed bench test bench cannot directly perform bench type tests on the speed reducer.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a test control method suitable for a double-wheel milling wheel speed reducer.
The invention relates to a rack test bed suitable for testing a double-wheel milling wheel speed reducer and a test control method thereof, which are specifically as follows:
this bench test bench suitable for double round mills and mills round reduction gear test, including power input end, sensor, main examination double round mills and mills round reduction gear, the two round mills of being tried and mill round reduction gear, power take off end and total accuse platform, its key feature is, power input end pass through the sensor connect main examination double round mill and mill round reduction gear, this main examination double round mill and mill round reduction gear with the two round mills round reduction gear of being tried and contact, the two round mills of being tried and mill round reduction gear and connect through another sensor power take off end, total accuse platform respectively with power input end, power take off end and sensor be connected.
Preferably, the power input end can be formed by a direct current motor or a hydraulic motor.
Preferably, two sides of the double-wheel milling and milling wheel speed reducer are respectively provided with a power transmission gear, the double-wheel milling and milling wheel speed reducer is provided with a rotating shell, and the main testing double-wheel milling and milling wheel speed reducer is in contact with the rotating shell of the tested double-wheel milling and milling wheel speed reducer through the power transmission gears on the two sides of the main testing double-wheel milling and milling wheel speed reducer.
Preferably, the sensors are all torque-rotation speed sensors, the power input/output end is connected to the torque-rotation speed sensors through a coupling, and the other end of the torque-rotation speed sensors is connected to the main testing/tested double-wheel milling wheel reducer through a coupling shaft.
Preferably, the power output end is connected with the input end of a generator.
The method for realizing the test control of the double-wheel milling wheel speed reducer based on the bench test bed is mainly characterized in that the number of the torque-rotating speed sensors is 2, and the test method of the bench test bed comprises the following steps:
(1) the power input end transmits to the main test double-wheel milling wheel reducer through the torque-rotating speed sensor, and the torque-rotating speed sensor measures torque and rotating speed data input to the main test double-wheel milling wheel reducer through the power input end and transmits the torque and rotating speed data to the main control platform;
(2) the main test double-wheel milling wheel speed reducer transmits power to a rotating shell of the tested double-wheel milling wheel speed reducer through power transmission gears on two sides of the main test double-wheel milling wheel speed reducer;
(3) the tested double-wheel milling wheel speed reducer is transmitted to the power output end through the other torque-rotating speed sensor, the other torque-rotating speed sensor measures torque and rotating speed data input to the power output end in the reverse direction of the tested double-wheel milling wheel speed reducer, and the torque and rotating speed data are transmitted to the master control platform;
(4) and the master control platform analyzes and processes the received torque and rotating speed data.
Preferably, the step (3) is further followed by a step of:
(3.1) the power output end converts the received kinetic energy into electric energy through a generator, and the output end of the generator is connected to a power grid.
Preferably, the total control platform stores the torque and rotation speed data transmitted by the two torque-rotation speed sensors at different positions respectively.
The bench test bed suitable for testing the double-wheel milling wheel speed reducer and the test control method thereof are adopted, and the bench test bed has a special structure different from a common test bed, so that the bench test bed can be suitable for testing the double-wheel milling wheel speed reducer, the blank of the bench test of the special speed reducer is filled, and the installed power of double-wheel milling equipment is large, if the bench test bed is carried out according to an open test method, very large energy is wasted, the energy recovery is realized by adopting the loading of a generator, the country and the people are benefited, the master control platform stores torque and rotating speed data transmitted by the two torque-rotating speed sensors at different positions, so that the measurement result is more accurate, the data comparison is more obvious, the bench test bed has a simple structure and low cost, can be repeatedly utilized for a plurality of times, is also suitable for all speed reducers with special structures, and the blank of the test platform of, the speed reducer with a special structure and high price can be helped to be tested and overhauled, so that the cost is greatly reduced for industrial production, and the speed reducer is very economic and environment-friendly and has great market value.
The invention relates to a test bed for testing a double-wheel milling and milling wheel speed reducer, which has the key point that the power balance between two shunts must be ensured during shunting, otherwise, the stress on the left and right milling wheels of the double-wheel milling and milling wheel speed reducer is uneven, so that a component fails in advance, but a common speed reducer has no requirement at all, the common speed reducer has one inlet and one outlet, the double-wheel milling and milling wheel speed reducer has one inlet and two outlets, and the power flow directions are completely different. In order to overcome the problem that power transmission cannot be carried out between shells of the double-wheel milling wheel speed reducer, the power transmission gear is arranged for carrying out power transmission, and meanwhile, in order to ensure the load balance and the power balance, the power transmission gears are respectively arranged on two sides of the main double-wheel milling wheel speed reducer and two sides of the tested double-wheel milling wheel speed reducer, so that the load balance and the power balance are realized, the consistency of gear phases is ensured, the equipment damage caused in the test process is avoided, and the power transmission gear is 1: the structure of 1 ensures that the transmission efficiency and the gear transmission of the speed reducer are in the same order of magnitude, and is realized by the gear transmission with the same precision grade and the same phase according to the design requirement of the speed reducer, so that the structure is efficient, synchronous and properly matched.
Based on the structural characteristics of the double-wheel milling head reducer, due to the reason, a common standard test method cannot be applied, so that a test bench needs to be redesigned; the test bed designed by the invention follows the equal and stable transmission of loads, particularly the load of double output ends is transmitted to the tested speed reducer from the main speed reducer to ensure the accurate requirement of mounting phases of two tested gears by using accurate gears, otherwise the load output from two sides of the speed reducer generates unbalance loads and even internal loss (internal stress) of the gears, which is not existed in the conventional speed reducer (including any combination).
Drawings
FIG. 1 is a schematic structural diagram of a rack test stand suitable for testing a double-wheel milling wheel reducer according to the present invention, wherein a power input end of the rack test stand is a DC motor;
fig. 2 is a schematic structural diagram of a power input end of the rack test stand suitable for testing the double-wheel milling and milling wheel speed reducer of the invention when the power input end is a hydraulic motor.
Reference numerals: the device comprises a power input end 1, a coupler 2, a sensor 3, a main test double-wheel milling wheel reducer 4, a tested double-wheel milling wheel reducer 5, a power output end 6 and a connecting shaft 7.
Detailed Description
Referring to fig. 1 and 2, the bench test bench suitable for testing the dual-wheel milling wheel reducer comprises a power input end 1, a sensor 3, a main testing dual-wheel milling wheel reducer 4, a tested dual-wheel milling wheel reducer 5, a power output end and a total control platform, it is mainly characterized in that the power input end 1 is connected with the main test double-wheel milling and milling wheel reducer 4 through the sensor 3, the main test double-wheel milling wheel reducer 4 is contacted with the tested double-wheel milling wheel reducer 5, the speed reducer 5 of the tested double-wheel milling wheel is connected with the power output end through another sensor 3, the master control platform is respectively connected with the power input end 1, the power output end and the sensor 3, the power input end 1 can be composed of a direct current motor or a hydraulic motor, and the power output end is connected with the input end of a generator.
In a preferred embodiment, two sides of the two-wheel milling and milling wheel speed reducer are respectively provided with a power transmission gear, the two-wheel milling and milling wheel speed reducer is provided with a rotating shell, and the main testing two-wheel milling and milling wheel speed reducer 4 is in contact with the rotating shell of the tested two-wheel milling and milling wheel speed reducer 5 through the power transmission gears on the two sides of the main testing two-wheel milling and milling wheel speed reducer.
The sensors 3 are all torque-rotating speed sensors, the power input/output end is connected to the torque-rotating speed sensors through a coupling 2, and the other ends of the torque-rotating speed sensors are connected to the main testing/tested double-wheel milling wheel speed reducer 5 through a coupling shaft 7.
The power flow of the double-wheel milling speed reducer is transmitted to a final actuating mechanism in a split-flow and combined mode, namely one input and two outputs, and a speed reducer shell is used as a load output carrier. The invention provides a method for realizing test control of a double-wheel milling wheel reducer based on a bench test bench, wherein the number of torque-rotating speed sensors is two, and the test method of the bench test bench comprises the following steps:
step (1), the power input end 1 transmits to the main test double-wheel milling wheel reducer 4 through the torque-rotating speed sensor, and the torque-rotating speed sensor measures torque and rotating speed data input to the main test double-wheel milling wheel reducer 4 through the power input end 1 and transmits the torque and rotating speed data to the master control platform;
step (2), the main test double-wheel milling wheel speed reducer 4 transmits power to a rotating shell of the tested double-wheel milling wheel speed reducer 5 through power transmission gears on two sides of the main test double-wheel milling wheel speed reducer;
step (3), the tested double-wheel milling wheel speed reducer 5 transmits to the power output end through the other torque-rotating speed sensor, and the other torque-rotating speed sensor measures torque and rotating speed data input to the power output end by the tested double-wheel milling wheel speed reducer 5 in a reverse direction and transmits the torque and rotating speed data to the master control platform;
and (3.1) converting the received kinetic energy into electric energy by the power output end through a generator, and connecting the output end of the generator to a power grid.
And (4) analyzing and processing the received torque and rotating speed data by the master control platform.
In a preferred embodiment, the master control platform stores the torque and rotation speed data transmitted by the two torque-rotation speed sensors 3 at different positions, so that the measurement result is more accurate, and the data comparison is more obvious.
In a specific implementation case, the test bed adopts a pair of speed reducers as a main test and a tested test respectively, the power input of the main test double-wheel milling wheel speed reducer 4 is driven by a direct current motor (as shown in figure 1), and due to the special structure of the speed reducer, the output power of the main test double-wheel milling wheel speed reducer 4 is skillfully and symmetrically transmitted to rotary shells (with the same 1:1 power transmission gear) at two sides of the tested double-wheel milling wheel speed reducer 5 through power transmission gears at two sides, wherein the power transmission gears are manufactured according to the standard design of the speed reducer, and the transmission efficiency and the transmission of the speed reducer gears are ensured to be on the same order of magnitude. Therefore, the actual stress state is reflected really, and the dynamic load is reversely transmitted through the tested double-wheel milling wheel speed reducer 5 to directly drive the loading generator (the generated energy of the generator is recycled in a grid-connected mode so as to realize energy conservation). Torque-rotating speed sensors are respectively arranged between the speed reducer and the input and the output, and test data are collected and recorded by the master control platform in a unified way.
Because the double-wheel mill is usually driven by a hydraulic power station of the double-wheel mill, the hydraulic power station can also be used for providing power for a hydraulic motor to test the double-wheel mill reducer, and the implementation case is more real, but a laboratory must be provided with a corresponding high-power hydraulic power station.
By adopting the bench test bench suitable for testing the double-wheel milling wheel speed reducer and the test control method thereof, because the test bed has a special structure different from a common test bed, the test bed can be suitable for the test of the double-wheel milling wheel speed reducer, fills the blank of the bench test of the special speed reducer, and because the installed power of the double-wheel milling equipment is larger, if the double-wheel milling equipment is carried out according to an open test method, a large amount of energy is wasted, the energy recovery is realized by adopting the loading of the generator, the national and civilian benefits are realized, in addition, the bench test bed has the advantages of simple structure and low price, but reuse many times, and be applicable to all such special construction's reduction gear equally, filled the blank of this type of special reduction gear's test platform, can help again that the experiment overhauls this type of special construction, expensive reduction gear, for industrial production has reduced very big cost, very economic environmental protection has very big market value.
In the description of the present invention, it should be noted that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (4)
1. A test control method suitable for a double-wheel milling wheel speed reducer is characterized by comprising the following steps: the test control method adopts a bench test bench to carry out testing, the bench test bench comprises a power input end, a sensor, a main test double-wheel milling wheel reducer, a tested double-wheel milling wheel reducer, a power output end and a general control platform, the power input end is connected with the main test double-wheel milling wheel reducer through the sensor, the main test double-wheel milling wheel reducer is contacted with the tested double-wheel milling wheel reducer, the tested double-wheel milling wheel reducer is connected with the power output end through another sensor, and the general control platform is respectively connected with the power input end, the power output end and the sensor; the sensors are two torque-rotating speed sensors, two power transmission gears are respectively arranged on two sides of the double-wheel milling wheel speed reducer, and the double-wheel milling wheel speed reducer is provided with a rotating shell; the test control method adopting the bench test bench comprises the following steps:
step (1), the power input end transmits to the main test double-wheel milling and milling wheel reducer through the torque-rotating speed sensor, and the torque-rotating speed sensor measures torque and rotating speed data input to the main test double-wheel milling and milling wheel reducer through the power input end and transmits the torque and rotating speed data to the master control platform;
step (2), the main test double-wheel milling wheel reducer transmits power to a rotating shell of the tested double-wheel milling wheel reducer through power transmission gears on two sides of the main test double-wheel milling wheel reducer;
step (3), the tested double-wheel milling wheel speed reducer transmits to the power output end through another torque-rotating speed sensor, and the other torque-rotating speed sensor measures torque and rotating speed data input to the power output end by the tested double-wheel milling wheel speed reducer in a reverse direction and transmits the torque and rotating speed data to the master control platform; the power output end is connected with the input end of a generator, the power output end converts the received kinetic energy into electric energy through the generator, and the output end of the generator is connected to a power grid;
and (4) respectively storing the torque and rotating speed data transmitted by the two torque-rotating speed sensors at different positions by the master control platform, and analyzing and processing the received torque and rotating speed data by the master control platform.
2. The test control method suitable for the double-wheel milling wheel speed reducer according to claim 1, characterized in that: the two sides of the double-wheel milling wheel speed reducer are respectively provided with a power transmission gear, the double-wheel milling wheel speed reducer is provided with a rotating shell, and the main-test double-wheel milling wheel speed reducer is in contact with the rotating shell of the tested double-wheel milling wheel speed reducer through the power transmission gears on the two sides of the main-test double-wheel milling wheel speed reducer.
3. The test control method suitable for the double-wheel milling wheel speed reducer according to claim 2, characterized in that: the output power of the main test double-wheel milling wheel speed reducer is symmetrically transmitted to second power transmission gears of rotating shells on two sides of the tested double-wheel milling wheel speed reducer through first power transmission gears on two sides, and the first power transmission gears and the second power transmission gears are in a 1:1 structure.
4. The test control method suitable for the double-wheel milling wheel speed reducer according to claim 2, characterized in that: the sensors are all torque-rotating speed sensors, the power input end and the power output end are connected to the torque-rotating speed sensors through a coupler, and the other ends of the torque-rotating speed sensors are connected to the main testing double-wheel milling wheel speed reducer and the tested double-wheel milling wheel speed reducer through a coupling shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110371901.1A CN113092106A (en) | 2016-10-26 | 2016-10-26 | Test control method suitable for double-wheel milling wheel speed reducer |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610947249.2A CN106441874A (en) | 2016-10-26 | 2016-10-26 | Double wheel mill milling wheel decelerator rack test bench and test control method thereof |
| CN202110371901.1A CN113092106A (en) | 2016-10-26 | 2016-10-26 | Test control method suitable for double-wheel milling wheel speed reducer |
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| CN201610947249.2A Division CN106441874A (en) | 2016-10-26 | 2016-10-26 | Double wheel mill milling wheel decelerator rack test bench and test control method thereof |
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| CN113092106A true CN113092106A (en) | 2021-07-09 |
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| CN201610947249.2A Pending CN106441874A (en) | 2016-10-26 | 2016-10-26 | Double wheel mill milling wheel decelerator rack test bench and test control method thereof |
| CN202110371901.1A Pending CN113092106A (en) | 2016-10-26 | 2016-10-26 | Test control method suitable for double-wheel milling wheel speed reducer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110196171A (en) * | 2019-06-29 | 2019-09-03 | 山推工程机械股份有限公司 | A kind of vibrated roller running test device |
| CN111024389A (en) * | 2019-12-26 | 2020-04-17 | 广东省智能制造研究所 | Harmonic reducer load testing device with electric energy feedback and method |
| CN111189406B (en) * | 2020-02-14 | 2021-09-14 | 北京工业大学 | Method for detecting radial deformation of flexible gear of harmonic reducer in eccentric installation state |
| CN112557029B (en) * | 2020-12-10 | 2022-08-26 | 湖北科峰智能传动股份有限公司 | AGV speed reducer load test platform |
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| RU2153659C1 (en) * | 1999-03-29 | 2000-07-27 | Хабаровский государственный технический университет | Transmission test stand |
| CN204301995U (en) * | 2014-11-20 | 2015-04-29 | 威远县合众机械设备制造有限公司 | Reductor bracket loading test platform |
| KR20160105556A (en) * | 2015-02-27 | 2016-09-07 | 한국고벨주식회사 | Wind generators integrated power transformer module testing device |
| CN206146640U (en) * | 2016-10-26 | 2017-05-03 | 赛达（上海）传动工程有限公司 | Bench test platform suitable for double round mills a round reduction gear test |
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2016
- 2016-10-26 CN CN201610947249.2A patent/CN106441874A/en active Pending
- 2016-10-26 CN CN202110371901.1A patent/CN113092106A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101865770A (en) * | 2010-05-07 | 2010-10-20 | 武汉理工大学 | Large-torque and large-speed ratio mixing type speed reducer test device |
| US20120046141A1 (en) * | 2010-08-20 | 2012-02-23 | Redviking Group, Llc | Transmission test system |
| CN102840978A (en) * | 2012-08-25 | 2012-12-26 | 郭茂林 | Megawatt level mechanical total power sealed gear test-bed |
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| CN204373907U (en) * | 2014-12-30 | 2015-06-03 | 浙江科技学院 | The online testing machine of a kind of speed reduction unit |
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