CN219161192U - Back clearance measuring device of speed reducer - Google Patents
Back clearance measuring device of speed reducer Download PDFInfo
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- CN219161192U CN219161192U CN202223159922.6U CN202223159922U CN219161192U CN 219161192 U CN219161192 U CN 219161192U CN 202223159922 U CN202223159922 U CN 202223159922U CN 219161192 U CN219161192 U CN 219161192U
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- servo motor
- speed reducer
- mounting plate
- backlash
- fixing device
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Abstract
The utility model discloses a reducer backlash measuring device, which comprises an input fixing device, an output fixing device and a supporting main board, wherein the input fixing device comprises a first servo motor and an input fixing device connected to the output end of the first servo motor; the output fixing device comprises a second servo motor and an output fixing device connected to the output end of the second servo motor; the support main board is connected with a group of sliding rails, the first servo motor and the second servo motor are both in sliding connection with the sliding rails and are locked with the sliding rails through locking devices, the sliding rails are also connected with a speed reducer mounting plate, and the speed reducer mounting plate is positioned between the first servo motor and the second servo motor; the speed reducer mounting plate is provided with a plurality of groups of speed reducer positioning holes, and each group of speed reducer positioning holes comprises at least three positioning holes which take the center hole of the speed reducer mounting plate as the center of a circle and are in the same circumference. The speed reducer can be installed in different sizes, and measurement of speed reducers of different types is achieved.
Description
Technical Field
The utility model relates to the technical field of backlash measurement of speed reducers, in particular to a device for measuring backlash of a speed reducer.
Background
The production of the precise planetary reducer is relatively weak in the domestic reducer industry, and particularly the high-precision reducer is a large threshold; an important indicator for measuring the accuracy of the planetary reducer is backlash (also called back Cheng Jianxi) of the reducer. Further explanation is provided that the definition of backlash is: the input shaft of the speed reducer is fixed, the output shaft rotates clockwise and anticlockwise, and when the output shaft applies a torque which is +/-2% of rated torque, the output shaft of the speed reducer has a small angular displacement, the angular displacement is a return clearance, the unit is arc minutes, and 1 arc minute=1/60 degree.
At present, when the backlash of the reducer is measured, the measured backlash cannot be conveniently obtained, as disclosed in the patent with publication number of CN205537463, the precise planetary reducer backlash measuring device can stably move back and forth through the input shaft fixing assembly and the output shaft clamping assembly to clamp the measured reducer during measurement, but the fixed guide rail guides the input shaft fixing assembly and the output shaft clamping assembly, so that the precise planetary reducer backlash measuring device is only suitable for measuring the backlash of the reducer of one size, and how to design a device, so that the measurement of the backlash of various reducers can be used is a problem which needs to be considered.
Disclosure of Invention
The utility model aims to provide a device for measuring the backlash of a speed reducer, which is used for solving the problem that the prior art cannot adapt to the measurement of various types of speed reducers.
The reducer backlash measuring device includes:
the input fixing device comprises a first servo motor and an input fixing device connected to the output end of the first servo motor;
the output fixing device comprises a second servo motor and an output fixing device connected to the output end of the second servo motor;
the support main board is connected with a group of sliding rails, the first servo motor and the second servo motor are both in sliding connection with the sliding rails and are locked with the sliding rails through locking devices, the sliding rails are also connected with a speed reducer mounting plate, and the speed reducer mounting plate is positioned between the first servo motor and the second servo motor;
the speed reducer mounting plate is provided with a plurality of groups of speed reducer positioning holes, and each group of speed reducer positioning holes comprises at least three positioning holes which take the center hole of the speed reducer mounting plate as the center of a circle and are in the same circumference.
Further, the first servo motor is connected to the first servo motor mounting plate, and the second servo motor is connected to the second servo motor mounting plate;
the bottom surfaces of the first servo motor mounting plate and the second servo motor mounting plate are connected with sliding blocks which are in sliding connection with the sliding rails.
Further, the locking device is an electric push rod arranged on the sliding block, and the electric push rod is in signal connection with the controller.
Further, the locking device is a pin shaft, pin holes are formed in the first servo motor mounting plate and the second servo motor mounting plate, a connecting through hole is formed in the supporting main board, and the pin shaft penetrates through the pin holes and the connecting through hole to lock the sliding block on the sliding rail.
Further, the input fixing device and the shaft transmission fixing device comprise a locking shaft sleeve and a locking screw.
Further, the device further comprises a controller, the first servo motor and the second servo motor are connected with the controller in a signal mode, the controller is further connected with a display device connected to the supporting main board in a signal mode, and signal values of the first servo motor and the second servo motor are displayed through the display device.
Further, the display device is connected to the support main board through a telescopic connecting rod.
Further, the bottom surface of the supporting main board is also connected with supporting feet.
Further, the center hole of the mounting plate, the output end of the first servo motor and the output end of the second servo motor are all on the same straight line.
According to the technical scheme, the embodiment of the utility model has at least the following effects: the utility model provides a measurement system fixes the reduction gear on the reduction gear mounting panel during measurement, the output shaft of first servo motor is connected through the input shaft of input fixing device and reduction gear, the output shaft of second servo motor is connected through the output shaft of output fixing device and reduction gear, first servo motor and second servo motor work are in order to realize the measurement of back clearance, can fix first servo motor and second servo motor on the slide rail through locking device, the installation reduction gear that can be convenient before having guaranteed back clearance measurement, and the stability when guaranteeing back clearance measurement, through the multiunit reduction gear locating hole mountable not the speed reducer of equidimension on the setting locating plate, realize the measurement of different model reduction gears.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a measurement system according to the present utility model;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the structure of the mounting plate of the speed reducer of the present utility model;
fig. 4 is a schematic connection diagram of a slide rail and a slider according to the present utility model.
Wherein: 1. supporting a main board; 11. supporting feet; 12. a connecting through hole; 2. an input fixing device; 3. an output fixing device; 31. a second servo motor; 32. a second servo motor mounting plate; 33. a pin hole; 4. a display device; 41. a telescopic connecting rod; 5. a slide rail; 51. a slide block; 52. an electric push rod; 6. a decelerator mounting plate; 61. and positioning holes.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
It should be noted that, in the description of the present utility model, the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and do not require that the present utility model must be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. The terms "front", "back", "left", "right", "upper", "lower" as used in the description of the present utility model refer to directions in the drawings, and the terms "inner", "outer" refer to directions toward or away from the geometric center of a particular component, respectively.
The first purpose of the utility model is to realize the fixation of the speed reducers with different sizes by designing different positioning holes on the speed reducer mounting plate so as to realize the measurement of the speed reducers with different sizes. A further object of the present utility model is to be able to solve the problem of inconvenient reading of measurement data in a back clearance measurement device. The utility model adopts signal transmission among the controller, the servo motor and the display device to display back clearance measurement.
As shown in fig. 1 to 4, the backlash measuring device of the speed reducer comprises an input fixing device 2, an output fixing device 3 and a supporting main board 1, wherein the input fixing device 2 comprises a first servo motor and the input fixing device 2 connected with the output end of the first servo motor; the output fixing device 3 comprises a second servo motor 31 and the output fixing device 3 connected to the output end of the second servo motor 31; the support main board 1 is connected with a group of slide rails 5, the first servo motor and the second servo motor 31 are both in sliding connection with the slide rails 5 and are locked with the slide rails 5 through a locking device, the slide rails 5 are also connected with a speed reducer mounting plate 6, and the speed reducer mounting plate 6 is positioned between the first servo motor and the second servo motor 31; the reducer mounting plate 6 is provided with a plurality of groups of reducer positioning holes, and each group of reducer positioning holes comprises at least three positioning holes 61 which take the center hole of the reducer mounting plate as the center of a circle and are in the same circumference.
The utility model provides a measurement system fixes the reduction gear on reduction gear mounting panel 6 during the measurement, the output shaft of first servo motor is connected through the input shaft of input fixing device 2 and reduction gear and the output shaft of second servo motor 31 is connected through the output shaft of output fixing device 3 and reduction gear, work through controller control first servo motor and second servo motor 31 is in order to carry out the back clearance and is measured, can fix first servo motor and second servo motor on the slide rail through locking device, the installation reduction gear that can be convenient before having guaranteed the back clearance and measuring, and guarantee the stability during the back clearance measurement, through the multiunit reduction gear locating hole mountable not the speed reducer of equidimension on the setting up the locating plate, realize the measurement of different model reduction gears.
The utility model is provided with a plurality of groups of speed reducer positioning holes 61 on a speed reducer mounting plate 6, wherein each group of speed reducer positioning holes 61 comprises at least four positioning holes 61 which take the central hole of the speed reducer mounting plate 6 as the center of a circle and are in the same circumference. When installing different sizes of decelerator, different positioning holes 61 are selected. Through this setting, the installation of different sizes of reduction gears can be conveniently realized.
Further, as shown in fig. 3, three sets of positioning holes 61 are provided, the positioning hole of the outermost ring is adapted to the E3-sized speed reducer, the positioning hole of the middle is adapted to the E2-sized speed reducer, and the positioning hole of the innermost ring is adapted to the E1-sized speed reducer. The speed reducer mounting plate is also provided with marks, namely, the mark E3 on the outermost ring positioning hole, the mark E2 on the middle ring positioning hole and the mark E1 on the inner ring positioning hole, so that the efficiency of operators for mounting speed reducers with different sizes is improved.
The input fixture 2 serves to connect the output shaft of the first servomotor with the input shaft of the reducer, and the output fixture 3 serves to connect the output shaft of the second servomotor 31 with the output shaft of the reducer. Specifically, the input fixing device 2 and the output fixing device 3 have the same structure, and are designed in the form of a locking shaft sleeve and a locking screw, when in connection, the locking shaft sleeve is sleeved on an output shaft of a servo motor and an input output shaft of a speed reducer, the two shafts are fixed by tightening the locking screw, and the subsequent back clearance measurement can be performed after the two shafts are fixed.
In some further embodiments, in order to ensure that the sliding and locking of the first and second servo motors 31 are convenient, the application designs a first servo motor mounting plate and a second servo motor mounting plate 32, the first servo motor is connected to the first servo motor mounting plate through a screw, the second servo motor 31 is connected to the second servo motor mounting plate 32 through a screw, and the bottom surfaces of the first and second servo motor mounting plates 31 are provided with sliding blocks 51 so as to be in sliding connection with the sliding rail 5.
In one embodiment of the present application, the position locking of the first servo motor and the second servo motor 31 may be achieved by locking the sliding block 51, the locking of the sliding block 51 and the sliding rail 5 may be achieved by using an electric push rod 52, specifically as shown in fig. 4, the electric push rod 52 is installed on one side of the sliding block 51, the output end of the electric push rod 52 extends into the sliding block 51, the electric push rod 52 is in signal connection with the controller, when the sliding block 51 needs to be locked, the controller controls the output end of the electric push rod 52 to extend, and the output end of the electric push rod 52 clamps the sliding rail 5 to achieve the fixation of the sliding block 51; when the sliding block 51 is needed to slide, the controller controls the output end of the electric push rod 52 to retract.
In further embodiments of the present application, the locking and unlocking of the positions of the first and second servomotors 31 may also be achieved by means of pins. Specifically, as shown in fig. 3, the first servomotor mounting plate and the second servomotor mounting plate 31 are provided with pin holes 33, the supporting main plate 1 is provided with a plurality of connecting through holes 12, and the setting direction of the connecting through holes 12 is the same as the direction of the slide rail 5. After the servo motor is in place, the servo motor mounting plate is fixed by inserting the pin shaft into the pin hole 33 and the connecting through hole 12, so that the position locking of the first servo motor and the second servo motor 31 is realized, and when the servo motor mounting plate needs to be slid, the pin shaft is pulled out.
In a further embodiment of the present application, a telescopic connecting rod 41 is also designed to adjust the height of the display device 4. The bottom surface of the supporting main board 1 is also provided with supporting feet 11 for supporting the whole device.
In order to achieve the second object of the present utility model, the present application further adopts that the first servomotor and the second servomotor 31 are both connected with a controller in signal, and the controller is also connected with a display device 4 connected to the support main board 1 in signal, so that the signal values of the first servomotor and the second servomotor 31 are displayed through the display device 4. The controller can receive the torque values and the rotation angles of the first servo motor and the second servo motor 31 and transmit the torque values and the rotation angles to the display device 4 for display so as to accurately and efficiently acquire the backlash of the speed reducer. The controller can be DS90LV804TSQ controller of Fuchang electron, and the display can be conventional industrial display.
Further, the center hole of the mounting plate, the output end of the first servo motor and the output end of the second servo motor are all on the same straight line.
In a second aspect, the utility model also discloses a method for measuring the backlash of the speed reducer, which is realized by adopting the device for measuring the backlash of the speed reducer, and comprises the following steps:
and 1, installing a speed reducer. In this step, it is necessary to select an appropriate positioning hole according to the size of the decelerator, mount the decelerator on the positioning hole of the decelerator mounting plate so as to fix the decelerator, and position the input shaft and the output shaft of the decelerator on both sides of the decelerator mounting plate, respectively.
And 2, moving the first servo motor and the second servo motor to enable the first servo motor and the second servo motor to be close to the speed reducer.
And 3, connecting an input shaft of the speed reducer and an output end of the first servo motor through an input fixing device, and connecting an output shaft of the speed reducer and an output shaft of the second servo motor through an output fixing device.
And 4, locking the first servo motor and the second servo motor through the locking device, starting the first servo motor and the second servo motor, and performing back clearance measurement.
It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.
Claims (9)
1. The reducer backlash measuring device is characterized by comprising:
the input fixing device comprises a first servo motor and an input fixing device connected to the output end of the first servo motor;
the output fixing device comprises a second servo motor and an output fixing device connected to the output end of the second servo motor;
the support main board is connected with a group of sliding rails, the first servo motor and the second servo motor are both in sliding connection with the sliding rails and are locked with the sliding rails through locking devices, the sliding rails are also connected with a speed reducer mounting plate, and the speed reducer mounting plate is positioned between the first servo motor and the second servo motor;
the speed reducer mounting plate is provided with a plurality of groups of speed reducer positioning holes, and each group of speed reducer positioning holes comprises at least three positioning holes which take the center hole of the speed reducer mounting plate as the center of a circle and are in the same circumference.
2. The reducer backlash measurement device of claim 1, wherein the first servomotor is connected to a first servomotor mounting plate, and the second servomotor is connected to a second servomotor mounting plate;
the bottom surfaces of the first servo motor mounting plate and the second servo motor mounting plate are connected with sliding blocks which are in sliding connection with the sliding rails.
3. The backlash measuring device of claim 2, wherein the locking device is an electric push rod mounted on the slider, and the electric push rod is in signal connection with a controller.
4. The device for measuring the backlash of the speed reducer according to claim 2, wherein the locking device is a pin shaft, pin holes are formed in the first servo motor mounting plate and the second servo motor mounting plate, a connecting through hole is formed in the supporting main plate, and the pin shaft penetrates through the pin holes and the connecting through hole to lock the sliding block on the sliding rail.
5. The reducer backlash measurement device of claim 1, wherein the input fixture and the output fixture each comprise a locking bushing and a locking screw.
6. The device for measuring backlash of a speed reducer according to claim 1, further comprising a controller, wherein the first servo motor and the second servo motor are both in signal connection with the controller, and the controller is further in signal connection with a display device connected to the support main board, so that signal values of the first servo motor and the second servo motor are displayed through the display device.
7. The device for measuring backlash of a decelerator according to claim 6, wherein the display device is connected to the support main plate through a telescopic connecting rod.
8. The device for measuring the backlash of a speed reducer according to claim 1, wherein the bottom surface of the supporting main plate is further connected with supporting feet.
9. The reducer backlash measurement device of claim 1, wherein the mounting plate central bore, the first servomotor output, and the second servomotor output are all collinear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223159922.6U CN219161192U (en) | 2022-11-28 | 2022-11-28 | Back clearance measuring device of speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223159922.6U CN219161192U (en) | 2022-11-28 | 2022-11-28 | Back clearance measuring device of speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219161192U true CN219161192U (en) | 2023-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223159922.6U Active CN219161192U (en) | 2022-11-28 | 2022-11-28 | Back clearance measuring device of speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219161192U (en) |
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2022
- 2022-11-28 CN CN202223159922.6U patent/CN219161192U/en active Active
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