CN108398264B - RV speed reducer and test bench connection tool and RV speed reducer test bench - Google Patents

RV speed reducer and test bench connection tool and RV speed reducer test bench Download PDF

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Publication number
CN108398264B
CN108398264B CN201810439236.3A CN201810439236A CN108398264B CN 108398264 B CN108398264 B CN 108398264B CN 201810439236 A CN201810439236 A CN 201810439236A CN 108398264 B CN108398264 B CN 108398264B
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reducer
test
shaft
test bench
bearing seat
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CN108398264A (en
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杨超
李帅帅
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Beijing Qingyan Zhongzhi Testing Technology Co ltd
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Beijing Qingyan Zhongzhi Testing Technology Co ltd
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    • G—PHYSICS
    • 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
    • G01M13/02—Gearings; Transmission mechanisms
    • G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

本发明公开一种RV减速机与试验台连接工装及RV减速机试验台。该RV减速机与试验台连接工装包括主轴以及与所述主轴通过轴承连接的轴承座，所述轴承座的一侧连接有用于将被试减速机与轴承座一侧固定连接的过渡连接盘，所述主轴指向被试减速机的一端刚性连接用于通过另一端与被试减速机连接的试验用输入齿轮轴。本发明试验用输入齿轮轴与驱动轴承座中安装的主轴刚性连接，高速平衡性更优越，振动及噪音都可控且较小；且输入齿轮轴与主轴采用芯轴抱紧式连接方式，同轴度好。

The present invention discloses a tool for connecting an RV reducer to a test bench and an RV reducer test bench. The tool for connecting the RV reducer to the test bench comprises a main shaft and a bearing seat connected to the main shaft through a bearing, one side of the bearing seat is connected to a transition connection plate for fixedly connecting the reducer to be tested to one side of the bearing seat, and one end of the main shaft pointing to the reducer to be tested is rigidly connected to a test input gear shaft for connecting to the reducer to be tested through the other end. The test input gear shaft of the present invention is rigidly connected to the main shaft installed in the driving bearing seat, and the high-speed balance is more superior, and the vibration and noise are controllable and small; and the input gear shaft and the main shaft adopt a core shaft clamping connection method, and the coaxiality is good.

Description

RV speed reducer and test bench connection tool and RV speed reducer test bench
Technical Field
The invention relates to the technical field of test tables, in particular to a tool for connecting an RV reducer with a test table and the RV reducer test table.
Background
Along with the rapid development of the robot industry, the requirements of the robot speed reducer on the aspects of transmission precision, vibration, noise, service life and the like are higher and higher. This places higher demands on the decelerator laboratory bench.
Conventional test stands typically place motors, accelerators, sensors, etc. in sequence for testing. In order to perform relevant tests of the RV reducer, such as overspeed test, overload test and efficiency test, and record temperature rise, vibration and noise data during the test, the test piece is usually mounted on a test stand, and the test stand usually comprises a driving system and a loading system; the tested piece needs to be fixedly installed on the driving system, the current connection tool structure connected with the driving system by the connection tool is complex, the connection installation often leads to lower installation accuracy, and the analysis of the experimental result of the speed reducer is greatly influenced, so that improvement is needed.
Disclosure of Invention
The invention aims at solving the technical defects in the prior art and provides a tool for connecting an RV reducer with a test bed and the RV reducer test bed.
The technical scheme adopted for realizing the purpose of the invention is as follows:
the utility model provides a frock is connected with test bench to RV speed reducer, includes the main shaft and with the bearing frame that the main shaft passes through the bearing to be connected, one side of bearing frame is connected with the transition connection pad that is used for being connected with test speed reducer and bearing frame one side fixed connection, the directional one end rigid connection of being used for of main shaft is connected with the test input gear axle of being connected with the test speed reducer through the other end.
The input gear shaft for the test is connected with the main shaft through a shaft clamping structure.
And two ends of the transition connecting disc are provided with positioning inner rabbets so as to realize positioning connection and fixing with the bearing seat and the tested speed reducer.
The transition connecting disc is connected with the bearing seat and the tested speed reducer through screws.
In another aspect, the invention provides an RV reducer test stand, comprising a lathe bed, a driving motor, a driving side torque sensor and an RV reducer connecting tool, wherein the driving motor is installed on the lathe bed through a first sliding table, the driving motor is in coaxial transmission connection with the driving side torque sensor, and the driving side torque sensor is in coaxial transmission connection with the RV reducer connecting tool; and the loading motor, the speed reducer connected with the loading motor and the loading side torque sensor connected with the other end of the speed reducer are installed on the lathe bed through the second sliding table, and the RV speed reducer connection tool adopts the RV speed reducer and test bed connection tool.
And two ends of the loading side torque sensor are respectively provided with a diaphragm coupling, one diaphragm coupling is connected with the speed reducer, and the other diaphragm coupling is used for being connected with an output coupling shaft arranged on the tested speed reducer.
The connecting end of the diaphragm coupler, which is used for being connected with an output connecting shaft arranged on the tested speed reducer, is provided with an internal spline structure, and is connected with the output connecting shaft through the internal spline structure.
The first sliding table is a cross sliding table capable of realizing X, Y movement, and the second sliding table is an axially moving sliding table.
The first sliding table and the second sliding table are both provided with adjusting handwheels.
According to the tool for connecting the RV reducer with the test bed, the input gear shaft for test is rigidly connected with the main shaft arranged in the driving bearing seat, so that the high-speed balance is superior to that of floating connection in an elastic coupling connection mode, and the vibration and noise are controllable and small;
the input gear shaft and the main shaft are connected in a mandrel enclasping mode, so that the coaxiality is good, the coaxiality error after assembly is smaller than 0.006mm through a process mandrel calibration mode, and the structure is simple;
the tested speed reducer is connected with the bearing seat through the annular transition connecting disc, the two ends of the transition connecting disc are positioned by the inner rabbets, and the inner rabbets at the two ends can be clamped at one time to finish processing, so that very high coaxiality can be easily ensured, the coaxiality error is less than 0.005mm, the rapid and accurate connection between the tested speed reducer and the driving end can be realized, and the coaxiality error of a main shaft of the bearing seat and the main shaft of the tested speed reducer can be ensured to be within 0.02 mm;
the bearing seat can adopt an SKF self-lubricating bearing or an SKF oil spraying lubrication starting mode, and good heat stability and stability of the bearing seat under a high-speed working condition can be ensured.
Drawings
FIG. 1 is a schematic structural diagram of a tool for connecting an RV reducer with a test bed;
fig. 2 is a schematic structural view of an RV reducer test stand having the connection tool shown in fig. 1 installed.
Detailed Description
The invention is described in further detail below with reference to the drawings and the specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, an RV reducer and test bed connection tool includes a main shaft 40 and a bearing seat 20 connected with the main shaft through a bearing 21, bearing end covers 22 on two sides of the bearing seat, one side of the bearing seat is connected with a transition connection disc 10 for fixedly connecting a tested reducer 100 with one side of the bearing seat, one end of the main shaft pointing to the tested reducer 100 is rigidly connected with an input gear shaft 30 for testing, which is connected with the tested reducer 100 through the other end, and the tested reducer is connected with a transition output shaft 110.
The other end of the main shaft is connected with a driving side torque sensor 2 through a coupling, and the driving side torque sensor 2 is connected with an output shaft of a driving motor 1, as shown in fig. 1.
The input gear shaft for the test and the main shaft can be rigidly connected through a shaft clamping structure for the existing shaft connection.
And two ends of the transition connecting disc are provided with positioning inner rabbets so as to realize positioning connection and fixing with the bearing seat and the tested speed reducer.
The transition connecting disc is connected with the bearing seat and the tested speed reducer through axial screws, namely, the transition connecting disc is connected with the bearing seat and the tested speed reducer through screws after being positioned through corresponding positioning rabbets respectively.
In order to meet the test of different types of speed reducers, different adapting transition connecting discs and adapting connecting shafts can be specifically adopted. The output end adapting connecting shaft needs to be compatible with the installation of the output shaft grating measuring system, and in order to avoid errors caused by deformation, the output end connecting shaft is required to have enough rigidity.
According to the tool for connecting the RV reducer with the test bed, the input gear shaft for test is rigidly connected with the main shaft arranged in the driving bearing seat, so that the high-speed balance is superior to that of floating connection in an elastic coupling connection mode, and the vibration and noise are controllable and small;
the input gear shaft and the main shaft are connected in a mandrel enclasping mode, so that the coaxiality is good, the coaxiality error after assembly is smaller than 0.006mm through a process mandrel calibration mode, and the structure is simple;
the tested speed reducer is connected with the bearing seat through the annular transition connecting disc, the two ends of the transition connecting disc are positioned by the inner rabbets, and the inner rabbets at the two ends can be clamped at one time to finish processing, so that very high coaxiality can be easily ensured, the coaxiality error is less than 0.005mm, the rapid and accurate connection between the tested speed reducer and the driving end can be realized, and the coaxiality error of a main shaft of the bearing seat and the main shaft of the tested speed reducer can be ensured to be within 0.02 mm;
the bearing seat can adopt an SKF self-lubricating bearing or an SKF oil spraying lubrication starting mode, and good heat stability and stability of the bearing seat under a high-speed working condition can be ensured.
Referring to fig. 2, another aspect of the present invention is to provide an RV speed reducer test bench, including a bed 200, a driving motor 1, a driving side torque sensor 2 and an RV speed reducer connection tool 300 for fixing an RV speed reducer on a driving end, which are mounted on the bed through a first sliding table 210, wherein the driving motor is coaxially and drivingly connected with the driving side torque sensor, and the driving side torque sensor is coaxially and drivingly connected with the RV speed reducer connection tool; and a loading motor 4 installed on the lathe bed through a second sliding table 220, a speed reducer 3 connected with the loading motor, and a loading side torque sensor 5 connected with the other end of the speed reducer, wherein the RV speed reducer connection tool adopts the RV speed reducer and test bed connection tool described in the above embodiment.
The two ends of the loading side torque sensor are respectively provided with a diaphragm coupling 6, one diaphragm coupling is connected with the speed reducer, and the other diaphragm coupling is used for being connected with an output connecting shaft 110 arranged on the tested speed reducer.
The connecting end of the diaphragm coupler 6, which is used for being connected with an output connecting shaft arranged on a tested speed reducer, is provided with an internal spline structure, and is connected with the output connecting shaft through the internal spline structure. The output connecting shaft of the tested speed reducer is connected with the tested speed reducer by adopting a flange, and is connected with the loading end by adopting a spline structure, namely, one side of the diaphragm coupler on the left side of the torque sensor 5 at the loading end, which is connected with the output connecting shaft, is designed into an internal spline structure, so that the output connecting shaft is connected with the output connecting shaft 110, and the separation and connection of the output connecting shaft and the diaphragm separator can be easily realized through the axial movement of the output connecting shaft.
The first sliding table is a cross sliding table capable of achieving X, Y movement, and the second sliding table is an axially moving sliding table.
Wherein, the first sliding table and the second sliding table are both provided with an adjusting hand wheel 230.
The test bed has small vibration sensitivity and high reliability, can move in the X, Y direction at the driving end, and can be suitable for testing RV-E, N series and RV-C series speed reducers.
The lathe bed adopts cast iron structure, because the driving rotation speed is higher, the design of lathe bed needs to avoid producing resonance, carries out vibration prevention and vibration isolation design, and the design thickness of lathe bed 300mm for this reason effectively prevents the tremble that produces in the test process. In order to not only have higher guiding precision, but also ensure that the system has higher rigidity, a high-precision sliding guide rail is adopted by a sliding table of the loading adjusting mechanism, and the guiding precision of the guide rail is not lower than 0.01mm/m.
According to the test bed, the input gear shaft for test is rigidly connected with the main shaft arranged in the driving bearing seat, so that the high-speed balance of the floating connection is superior to that of the floating connection in the elastic coupling connection mode, and the vibration and the noise are controllable and small;
the input gear shaft and the main shaft are connected in a mandrel enclasping mode, so that the coaxiality is good, the coaxiality error after assembly is smaller than 0.006mm through a process mandrel calibration mode, and the structure is simple;
the tested speed reducer is connected with the bearing seat through the annular transition connecting disc, the two ends of the transition connecting disc are positioned by the inner rabbets, and the inner rabbets at the two ends can be clamped at one time to finish processing, so that very high coaxiality can be easily ensured, the coaxiality error is less than 0.005mm, the rapid and accurate connection between the tested speed reducer and the driving end can be realized, and the coaxiality error of a main shaft of the bearing seat and the main shaft of the tested speed reducer can be ensured to be within 0.02 mm;
the bearing seat can adopt an SKF self-lubricating bearing or an SKF oil spraying lubrication starting mode, and good heat stability and stability of the bearing seat under a high-speed working condition can be ensured.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (7)

1.一种RV减速机与试验台连接工装，其特征在于，包括：主轴以及与所述主轴通过轴承连接的轴承座，所述轴承座的一侧连接有用于将被试减速机与轴承座一侧固定连接的过渡连接盘，所述主轴指向被试减速机的一端刚性连接用于通过另一端与被试减速机连接的试验用输入齿轮轴，所述的主轴的另一端通过连轴器与驱动侧扭矩传感器连接，所述驱动侧扭矩传感器与驱动电机的输出轴连接，所述试验用输入齿轮轴与所述主轴通过轴箍紧结构连接；所述过渡连接盘的两端具有定位内止口，以实现与所述轴承座及被试减速机定位连接后固定。1. A tooling for connecting an RV reducer and a test bench, characterized in that it comprises: a main shaft and a bearing seat connected to the main shaft through a bearing, one side of the bearing seat is connected to a transition connection plate for fixedly connecting the test reducer to one side of the bearing seat, one end of the main shaft pointing to the test reducer is rigidly connected to a test input gear shaft connected to the test reducer through the other end, the other end of the main shaft is connected to a drive side torque sensor through a coupling, the drive side torque sensor is connected to the output shaft of the drive motor, and the test input gear shaft is connected to the main shaft through a shaft clamping structure; both ends of the transition connection plate have positioning inner stoppers to achieve positioning connection with the bearing seat and the test reducer and then fixation. 2.根据权利要求1所述RV减速机与试验台连接工装，其特征在于，所述过渡连接盘与所述轴承座以及被试减速机通过螺钉连接。2. According to claim 1, the RV reducer and test bench connection tooling is characterized in that the transition connection plate is connected to the bearing seat and the test reducer by screws. 3.一种RV减速机试验台，包括床身，通过第一滑台安装在所述床身上的驱动电机、驱动侧扭矩传感器以及RV减速机连接工装，所述驱动电机与所述驱动侧扭矩传感器同轴心传动连接，所述驱动侧扭矩传感器与所述RV减速机连接工装同轴心传动连接；以及通过第二滑台安装在所述床身上的加载电机、与加载电机连接的减速器以及与所述减速器的另一端连接的加载侧扭矩传感器，其特征在于，所述RV减速机连接工装采用权利要求1-2任一项所述的RV减速机与试验台连接工装。3. An RV reducer test bench, comprising a bed, a drive motor, a drive side torque sensor and an RV reducer connecting tooling installed on the bed via a first slide, the drive motor being coaxially connected to the drive side torque sensor, and the drive side torque sensor being coaxially connected to the RV reducer connecting tooling; and a loading motor installed on the bed via a second slide, a reducer connected to the loading motor and a loading side torque sensor connected to the other end of the reducer, characterized in that the RV reducer connecting tooling adopts the RV reducer and test bench connecting tooling described in any one of claims 1-2. 4.根据权利要求3所述RV减速机试验台，其特征在于，所述加载侧扭矩传感器的两端分别有膜片连轴器，其中一个膜片连接轴与减速器连接，另一个膜片连轴器用于与被试减速机上安装的输出连接轴相连接。4. The RV reducer test bench according to claim 3 is characterized in that there are diaphragm couplings at both ends of the loading side torque sensor, one diaphragm connecting shaft is connected to the reducer, and the other diaphragm coupling is used to connect to the output connecting shaft installed on the reducer under test. 5.根据权利要求4所述RV减速机试验台，其特征在于，用于与被试减速机上安装的输出连接轴连接的所述膜片连轴器的连接端具有内花键结构，通过该内花键结构与输出连接轴连接。5. The RV reducer test bench according to claim 4 is characterized in that the connecting end of the diaphragm coupling used to connect to the output connecting shaft installed on the tested reducer has an internal spline structure, and is connected to the output connecting shaft through the internal spline structure. 6.根据权利要求4所述RV减速机试验台，其特征在于，所述第一滑台为能实现X、Y向移动的十字滑台，所述第二滑台为轴向移动的滑台。6. The RV reducer test bench according to claim 4 is characterized in that the first slide is a cross slide capable of moving in the X and Y directions, and the second slide is a slide capable of moving in the axial direction. 7.根据权利要求4所述RV减速机试验台，其特征在于，所述第一滑台与第二滑动均设有调节手轮。7. The RV reducer test bench according to claim 4, characterized in that both the first slide and the second slide are provided with adjustment hand wheels.
CN201810439236.3A 2018-05-09 2018-05-09 RV speed reducer and test bench connection tool and RV speed reducer test bench Active CN108398264B (en)

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CN110332301A (en) * 2019-07-15 2019-10-15 中机生产力促进中心 A kind of fast accurate centering attachment device
CN111189634B (en) * 2020-03-18 2022-05-10 天津旗领机电科技有限公司 Large RV reducer transmission error testing device and testing method
CN113959707B (en) * 2021-11-30 2025-02-25 河南送变电建设有限公司 A traction rope torque releaser periodic testing machine and testing method thereof
CN120333816B (en) * 2025-03-17 2026-04-24 清研新能源汽车工程中心（襄阳）有限公司 RV reduction gear test bench

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