CN109781405B - RV reducer mounting device for RV reducer comprehensive experiment table - Google Patents
RV reducer mounting device for RV reducer comprehensive experiment table Download PDFInfo
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- CN109781405B CN109781405B CN201910012641.1A CN201910012641A CN109781405B CN 109781405 B CN109781405 B CN 109781405B CN 201910012641 A CN201910012641 A CN 201910012641A CN 109781405 B CN109781405 B CN 109781405B
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Abstract
The invention discloses an RV reducer mounting device for an RV reducer comprehensive experiment table, which comprises a fixing support, a reducer fixing plate and an angle adjusting device, wherein the fixing support is mounted on the RV reducer comprehensive experiment table, the reducer fixing plate is mounted on the fixing support through a revolute pair and used for mounting an RV reducer, and the angle adjusting device is arranged on the fixing support and used for adjusting the angle of the reducer fixing plate, so that the reducer fixing plate can be switched between a horizontal RV reducer mounting position and a vertical RV reducer using position. The invention ensures the accurate positioning and fixing of the speed reducer by adjusting the rotation angle of the speed reducer fixing plate through the worm gear and the worm. Through the twist grip, utilize worm gear control laboratory bench rotation direction, make things convenient for the installation of speed reducer and laboratory bench support. The device simplifies the operation difficulty of the speed reducer in the vertical direction in the fixing process and increases the installation precision.
Description
Technical Field
The invention belongs to the field of experimental equipment, relates to auxiliary equipment for testing the comprehensive performance of an RV reducer, and particularly relates to an RV reducer mounting device for an RV reducer comprehensive experiment table.
Background
The RV reducer is a reducer for a heavy-duty articulated industrial robot, and the comprehensive performance experiment table of the RV reducer is mainly used for detecting the transmission efficiency, the transmission precision, the torsional rigidity, the starting torque and the like of the reducer. At present, a horizontal experiment table is adopted, namely, in the horizontal direction, one end of a tested speed reducer is connected with a driving motor, and the other end of the tested speed reducer is connected with a loading device. The installation of the tested speed reducer is an important link of performance test, and the reliability of the test result is directly determined. The support that current laboratory bench is used for installing the speed reducer all is fixed, and installing support and rack fixed connection promptly. For a large RV reducer needing lifting equipment in the installation process, the mounting bracket is difficult to align the reducer with the mounting bracket in the horizontal direction. But if vertical installation is adopted, the installation difficulty can be greatly reduced, but related technologies are lacked in the prior art.
Disclosure of Invention
Based on part of problems in the background art, the invention provides a reversible mounting bracket. The support can rotate within a range of 360 degrees, and when the speed reducer needs to be installed, the rack can be turned to a horizontal position, so that the speed reducer is installed with the support in a seating manner in the vertical direction; then the support with the tested speed reducer is adjusted to a vertical position. The mounting bracket is convenient for mounting and dismounting the large RV reducer. When the speed reducer needs to be detached from the support, the support only needs to be turned over to be horizontal, and the lifting device can be used for conveniently lifting the speed reducer in the vertical direction. Because the posture of the bracket can be adjusted at will to meet different dismounting requirements, the detection efficiency and the test precision of the speed reducer product can be greatly improved.
The invention aims to solve the problems that a mounting bracket with a vertical structure and a test bed with a horizontal structure are inaccurate in positioning and inconvenient to operate when the mounting bracket with the vertical structure and the test bed with the horizontal structure are fixed in the mounting process of the RV reducer and the horizontal test bed at present, and provides a test bed mounting device with a worm gear controlled by a rotating handle, so that the angle of the mounting bracket is adjusted by the worm gear reducer in the positioning process of the RV reducer and the test bed mounting bracket, and the purposes of accurate positioning and convenient mounting with the test bed are achieved.
In order to solve the technical problems, the specific technical scheme of the invention is as follows:
the utility model provides a RV reduction gear installation device for RV reduction gear comprehensive experiment platform which characterized in that: including fixed bolster, speed reducer fixed plate and angle adjusting device, the fixed bolster is installed on RV reduction gear comprehensive experiment platform, the speed reducer fixed plate passes through the revolute pair and installs on the fixed bolster, the speed reducer fixed plate is used for installing the RV reduction gear, angle adjusting device locates on the fixed bolster for the angle of adjustment speed reducer fixed plate can switch between horizontally RV reduction gear installation position and vertical RV reduction gear use position.
As an improvement, concentric round pin axle is equipped with on speed reducer fixed plate upper end or lower extreme both sides, and the round pin axle of speed reducer fixed plate both sides passes through the bearing and installs on the fixed bolster, the fixed bolster is equipped with positioner, when the speed reducer fixed plate rotates to the use position, through the position of positioner locking speed reducer fixed plate, guarantees RV reducer's installation accuracy.
As an improvement, the positioning device comprises a positioning pin, a screw hole arranged on the fixing support and positioning holes arranged on two sides of the speed reducer fixing plate, the positioning pin is in threaded fit with the screw hole on the fixing support, and when the speed reducer fixing plate rotates to the use position, the positioning pin is screwed in from the screw hole and is just screwed into the positioning holes on two sides of the speed reducer fixing plate, so that the positioning effect is achieved.
As an improvement, the front end of the positioning pin is a non-threaded conical head, and the positioning holes on the two sides of the corresponding speed reducer fixing plate are conical holes with large outer parts and small inner parts.
As an improvement, the rear end of the positioning pin is provided with a hexagonal knob which is convenient to screw.
As an improvement, the positioning device and the pin shaft are respectively arranged at two opposite ends of the speed reducer fixing plate.
As the improvement, be equipped with the limiting plate on the fixed bolster, when the speed reducer fixed plate rotatory to vertical RV reduction gear position of using, the limiting plate just offsets with the speed reducer fixed plate.
As an improvement, the angle adjusting device comprises a rotating hand wheel arranged on the fixed support, and the rotating hand wheel is connected with a pin shaft on the fixed plate through a power transmission mechanism.
As an improvement, the rotating hand wheel is connected with a pin shaft on the fixing plate through a worm gear speed reducer.
A method for mounting an RV reducer by using the RV reducer mounting device is characterized by comprising the following steps:
when the speed reducer fixing plate is driven to rotate to the horizontal position through the angle adjusting device, the RV speed reducer is hoisted through the hoisting device, the vertical RV speed reducer is installed on the speed reducer fixing plate, then the speed reducer fixing plate is driven to rotate to the vertical position through the angle adjusting device, the RV speed reducer is in a horizontal use state at the moment, and the position of the speed reducer fixing plate is locked through the positioning device, so that the installation of the RV speed reducer is completed.
The invention has the beneficial effects that:
the invention adopts a rotary speed reducer fixing plate, the transformation of the vertical position and the horizontal position of the speed reducer fixing plate is controlled by operating a worm gear speed reducer by a rotating handle, the verticality is ensured by two sets of mechanical limit, and the positioning and calibration are carried out by an angle measuring instrument. In the mounting process of the RV reducer, when the reducer fixing plate is adjusted to be horizontal, the RV reducer is hoisted to the position above the mounting hole of the reducer fixing plate through the electric hoist, and the positioning and mounting of the RV reducer are realized under the action of the positioning pin; and then, the worm and gear speed reducer is operated by a handle to adjust the speed reducer bracket to the vertical direction, and the subsequent detection operation of the RV speed reducer is carried out. The disassembling process is opposite to the assembling process, and the RV reducer is separated from the bracket mounting hole by adopting the disassembling bolt, so that the disassembling of the RV reducer is realized.
Drawings
FIG. 1 is a structural schematic diagram of an RV reducer comprehensive performance experiment table.
FIG. 2 is a schematic structural view of the RV reducer mounting arrangement of the present invention.
FIG. 3 is another angular schematic view of the RV reducer mounting arrangement of the present invention.
1-output end servo motor, 2-coupler, 3-output end torsion sensor, 4-mounting bracket, 5-RV reducer, 6-input end torque sensor, 7-rack, 8-input end servo motor, 9-worm gear reducer, 10-positioning hole, 11-rotating hand wheel, 12-hexagonal knob, 13-pin shaft, 14-reducer fixing plate, 15-fixing bracket, 16-positioning pin and 17-limiting plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings and the detailed description.
To better illustrate the superiority of the present solution, the procedure of testing the RV reducer comprehensive experiment table is first explained, as shown in fig. 1: the test system is arranged in a line, an input end servo motor 8 is used as a prime motor, and an output end torsion sensor 3 and an input end torsion sensor 6 are respectively connected to the output end and the input end of the RV reducer 5. During the test, the prime mover drives RV reduction gear 5 rotatory, and input torque sensor 6 gathers the torque value of input RV reduction gear 5 in real time, and the output of RV reduction gear 5 are connected with output torsion sensor 3 for RV reduction gear 5 output speed changes the output torque that output torsion sensor 3 gathered the reduction gear in real time. For the above test process, the most critical step is the fixed installation of the RV reducer 5, and the fixing scheme for the current reducer is as follows: the reducer is lifted vertically from the RV reducer 5 to the upper part of the mounting hole of the mounting bracket 4 through the electric hoist, the reducer slowly falls through a manual consignment mode, and when the axis of the RV reducer 5 approximately coincides with the hole of the mounting bracket 4, the reducer is fixed through the positioning hole and the guide pin. The difficulty of this mounting scheme is represented by: the speed reducer is difficult to control in the process of being hoisted to the experiment table through the electric hoist, so that the horizontal axis is difficult to align with the positioning hole on the mounting bracket 4; it is difficult to ensure that the reduction gear in the vertical direction and the mounting bracket 4 in the vertical direction are in the same vertical direction. The worm gear reducer 9 controlled by the rotating handle can well solve the problems and ensure the precision.
As shown in fig. 2, an RV reducer mounting device for an RV reducer comprehensive experiment table comprises a fixing support 15, a reducer fixing plate 14 and an angle adjusting device, wherein the fixing support 15 is a U-shaped support having two support legs, the fixing support 15 is mounted on a mounting support 4 of the RV reducer 5 comprehensive experiment table, two sides of the upper end of the reducer fixing plate 14 are provided with concentric pin shafts 13, the pin shafts 13 at two sides of the reducer fixing plate 14 are mounted on the two support legs of the fixing support 15 through bearings, the reducer fixing plate 14 is used for mounting an RV reducer 5, the angle adjusting device is arranged on the fixing support 15 and is used for adjusting the angle of the reducer fixing plate 14, so that the reducer fixing plate 14 can be switched between a horizontal RV reducer 5 mounting position and a vertical RV reducer 5 using position, the angle adjusting device comprises a rotating handwheel 11 mounted on the fixing support 15, the rotating hand wheel 11 is connected with a pin shaft 13 on the fixing plate through a power transmission mechanism, and in the embodiment, the rotating hand wheel 11 is connected with the pin shaft 13 on the fixing plate through a worm gear reducer 9.
When the manual wheel 11 is rotated, the speed reducer fixing plate 14 can be driven to rotate around the axis of the pin shaft 13, when the speed reducer fixing plate 14 rotates to the horizontal position, the RV reducer 5 can be hoisted through the hoisting device, the RV reducer 5 is in the vertical state at the moment, the installation is easy, the eccentricity caused by the dead weight is avoided, after the RV reducer 5 is installed and fixed, the speed reducer fixing plate 14 is adjusted to the vertical state through the manual wheel 11, the RV reducer 5 is in the use position at the moment, and the RV reducer 5 can be connected with the coupler 2 of the input end and the output end of the RV reducer 5.
In order to further improve the installation accuracy of the RV reducer 5, the invention provides an improved embodiment, specifically, screw holes are formed at the bottoms of two support legs of the fixing bracket 15, positioning pins 16 are arranged in the screw holes, corresponding positioning holes 10 are formed in the reducer fixing plate 14, when the reducer fixing plate 14 rotates to a vertical state, the positioning pins 16 are screwed into the screw holes, and the front ends of the positioning pins 16 are inserted into the corresponding positioning holes 10 in the reducer fixing plate 14, so that the reducer fixing plate 14 is further positioned and fixed.
In order to further improve the installation accuracy of the RV reducer 5, the front end of the positioning pin 16 is a non-threaded conical head, the positioning holes 10 on two sides of the corresponding reducer fixing plate 14 are conical holes with large outside and small inside, and the rear end of the positioning pin 16 is provided with a hexagonal knob 12 which is convenient to screw.
In order to further improve the mounting precision of the RV reducer 5, two positioning pins 16 are distributed at the lower ends of two sides of the reducer fixing plate 14.
In order to further improve the mounting accuracy of the RV reducer 5, a limiting plate 17 is arranged on the fixed support 15, when the reducer fixing plate 14 rotates to the vertical RV reducer 5 use position, the limiting plate 17 just abuts against the reducer fixing plate 14, and the limiting plate 17 is arranged at the bottoms of two support legs of the fixed support 15.
The invention can also add a handle on the rotating hand wheel 11, and the rotating angle of the speed reducer fixing plate 14 can be adjusted by shaking the handle. In RV reduction gear 5's installation fixed process, earlier twist grip adjustment speed reducer fixed plate 14 to horizontal direction, it is fixed by the slow decline of vertical direction to speed reducer fixed plate 14 on and through the bolt installation through electric block handling RV reduction gear 5, then twist grip makes speed reducer fixed plate 14 adjustment be the vertical direction, realize the accurate location of speed reducer by limiting plate 17 and locating pin 16 of fixed bolster 15 below, it is simpler to make the location like this, the time of installation has been saved, the efficiency of unit mount has been improved, later connect RV reduction gear 5's input/output end, can carry out RV reduction gear comprehensive experiment.
Claims (8)
1. The utility model provides a RV reduction gear installation device for RV reduction gear comprehensive experiment platform which characterized in that: the device comprises a fixed support, a speed reducer fixing plate and an angle adjusting device, wherein the fixed support is installed on an RV reducer comprehensive experiment table, the speed reducer fixing plate is installed on the fixed support through a revolute pair and used for installing the RV reducer, and the angle adjusting device is arranged on the fixed support and used for adjusting the angle of the speed reducer fixing plate so that the speed reducer fixing plate can be switched between a horizontal RV reducer installing position and a vertical RV reducer using position;
the fixing device comprises a speed reducer fixing plate, wherein concentric pin shafts are arranged on two sides of the upper end or the lower end of the speed reducer fixing plate, the pin shafts on two sides of the speed reducer fixing plate are mounted on a fixing support through bearings, the fixing support is provided with a positioning device, and when the speed reducer fixing plate rotates to a use position, the position of the speed reducer fixing plate is locked through the positioning device;
be equipped with the limiting plate on the fixed bolster, when the speed reducer fixed plate rotated vertical RV reduction gear use position, the limiting plate just offseted with the speed reducer fixed plate.
2. The RV reducer mounting arrangement of claim 1, wherein: the positioning device comprises a positioning pin, a screw hole arranged on the fixing support and positioning holes arranged on two sides of the speed reducer fixing plate, the positioning pin is in threaded fit with the screw hole on the fixing support, when the speed reducer fixing plate rotates to the use position, the positioning pin is screwed in from the screw hole and is just screwed into the positioning holes on two sides of the speed reducer fixing plate, and therefore the positioning effect is achieved.
3. The RV reducer mounting arrangement of claim 2, wherein: the front end of the positioning pin is a non-threaded conical head, and the positioning holes on two sides of the corresponding speed reducer fixing plate are conical holes with large outside and small inside.
4. The RV reducer mounting arrangement of claim 3, wherein: the rear end of the positioning pin is provided with a hexagonal knob which is convenient to screw.
5. The RV reducer mounting arrangement of claim 1, wherein: the positioning device and the pin shaft are respectively arranged at two opposite ends of the speed reducer fixing plate.
6. The RV reducer mounting arrangement of claim 1, wherein: the angle adjusting device comprises a rotating hand wheel arranged on the fixed support, and the rotating hand wheel is connected with a pin shaft on the fixed plate through a power transmission mechanism.
7. The RV reducer mounting arrangement of claim 6, wherein: the rotating hand wheel is connected with a pin shaft on the fixing plate through a worm gear speed reducer.
8. A method of RV reducer installation using the RV reducer installation apparatus of claim 1, comprising the steps of:
when the speed reducer fixing plate is driven to rotate to the horizontal position through the angle adjusting device, the RV speed reducer is hoisted through the hoisting device, the vertical RV speed reducer is installed on the speed reducer fixing plate, then the speed reducer fixing plate is driven to rotate to the vertical position through the angle adjusting device, the RV speed reducer is in a horizontal use state at the moment, and the position of the speed reducer fixing plate is locked through the positioning device, so that the installation of the RV speed reducer is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012641.1A CN109781405B (en) | 2019-01-07 | 2019-01-07 | RV reducer mounting device for RV reducer comprehensive experiment table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910012641.1A CN109781405B (en) | 2019-01-07 | 2019-01-07 | RV reducer mounting device for RV reducer comprehensive experiment table |
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| Publication Number | Publication Date |
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| CN109781405A CN109781405A (en) | 2019-05-21 |
| CN109781405B true CN109781405B (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910012641.1A Active CN109781405B (en) | 2019-01-07 | 2019-01-07 | RV reducer mounting device for RV reducer comprehensive experiment table |
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| CN105716861B (en) * | 2016-04-11 | 2019-03-19 | 四川志方科技有限公司 | RV retarder torsion stiffness detection device and its implementation |
| CN106053062A (en) * | 2016-07-21 | 2016-10-26 | 南京工程学院 | RV reducer comprehensive test bench |
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| CN200975942Y (en) * | 2006-11-02 | 2007-11-14 | 中国石化集团胜利石油管理局钻井工艺研究院 | Rotary test device for rotary control head |
| CN206531640U (en) * | 2016-11-18 | 2017-09-29 | 天津大学 | A kind of vertical multiple degrees of freedom high precision test instrument of precision speed reduction device combination property |
| CN106441883A (en) * | 2016-11-30 | 2017-02-22 | 中南大学 | Comprehensive performance resting experiment table for precision speed reduction device |
Non-Patent Citations (2)
| Title |
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| RV减速器动力学特性研究;赵海鸣;《机械工程与自动化》;20181031;第4-11页 * |
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