CN209027789U - Transmission test device based on Circular gratings - Google Patents
Transmission test device based on Circular gratings Download PDFInfo
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- CN209027789U CN209027789U CN201821784406.3U CN201821784406U CN209027789U CN 209027789 U CN209027789 U CN 209027789U CN 201821784406 U CN201821784406 U CN 201821784406U CN 209027789 U CN209027789 U CN 209027789U
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- 238000012360 testing method Methods 0.000 title claims abstract description 44
- 230000005540 biological transmission Effects 0.000 title claims abstract description 33
- 230000001360 synchronised effect Effects 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims description 2
- 238000012795 verification Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 230000001133 acceleration Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
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- 230000009347 mechanical transmission Effects 0.000 description 1
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Abstract
The utility model discloses a kind of transmission test devices based on Circular gratings, including grating assembly, driving motor, torque sensor, shafting and load component；Grating assembly includes the Circular gratings being horizontally fixed in grating fixed disk and two reading heads；Shafting is vertically arranged, and the top of shaft is fixed at the bottom center of grating fixed disk, the output axis connection of bottom end and driving motor；The torque sensor output axis connection with shaft and driving motor respectively；Load component includes the load motor that output shaft is parallel to shaft setting, is set on the output shaft of load motor and the output shaft of driving motor and is fixed with the small synchronous pulley and big synchronous pulley by a synchronous band connection；The transmission test device based on Circular gratings is suitable for all kinds of transmission tests based on Circular gratings, effectively increases the verification experimental verification efficiency for different tests operating condition.
Description
Technical Field
The utility model relates to a mechanical transmission technical field, in particular to transmission test device based on circular grating.
Background
With the deep development of the industrialization process, high-precision components are increasingly applied to the industrial field, and as a typical high-precision component, a circular grating is often required to be tested and researched according to the use conditions in the use process, but a universal testing device is lacked, so that convenience is provided for the grating transmission test, and the test period is shortened.
Aiming at the requirements, a grating transmission test device is needed to be designed, manual and automatic transmission tests of the grating can be realized, and the rotating speed is adjustable. And a load applying function is also provided, so that a transmission test of the grating under a load is realized, and the load is adjustable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can be used for verifying the transmission test device based on circular grating of the reliability of data acquisition method.
Therefore, the utility model discloses technical scheme as follows:
a transmission test device based on a circular grating comprises a grating component, a driving motor, a torque sensor, a shaft system and a load component; wherein,
the grating assembly comprises a circular grating which is horizontally arranged and fixed on a grating fixing disc and two reading heads which are respectively and symmetrically arranged at two sides of the circular grating;
the shaft system is vertically arranged, the top end of a rotating shaft of the shaft system is fixed at the center of the bottom surface of the grating fixing disc, and the bottom end of the rotating shaft is connected with an output shaft of the driving motor, so that the circular grating and the output shaft of the driving motor synchronously rotate; the torque sensor is respectively connected with the rotating shaft and the output shaft of the driving motor;
the load assembly comprises a load motor, a small synchronous belt wheel and a large synchronous belt wheel; the output shaft of the load motor is parallel to the rotating shaft, the small synchronous belt wheel and the large synchronous belt wheel are respectively sleeved and fixed on the output shaft of the load motor and the output shaft of the driving motor, and the small synchronous belt wheel and the large synchronous belt wheel are connected through a synchronous belt, so that the small synchronous belt wheel drives the large synchronous belt wheel to rotate.
Furthermore, the transmission test device based on the circular grating also comprises a device protection frame which comprises a grating protection plate, a reference plate and a motor installation plate which are sequentially arranged horizontally from top to bottom at intervals, wherein the grating protection plate and the reference plate are connected and fixed into a whole through four connecting columns which are respectively arranged at the top corners of the plate surface; the reference plate and the motor mounting plate are connected and fixed into a whole through two connecting plates which are vertically and symmetrically arranged at the edge of the plate surface; the center of the reference plate and the center of the motor mounting plate are respectively provided with a mounting hole for mounting the driving motor and the shaft system, so that the circular grating is positioned below the grating protection plate.
Furthermore, the two reading heads are respectively arranged on the two connecting columns at intervals through two adjusting blocks; the adjusting block is provided with a center hole which enables the adjusting block to be sleeved on the outer side of the connecting column, and a group of opposite side walls of the adjusting block are respectively provided with two radial through holes matched with the jackscrews, so that the adjusting block can be adjustably fixed on any position of the connecting column through the jackscrews inserted into the two radial through holes.
Further, the shaft system comprises an upper bearing cover, a shaft sleeve, a rotating shaft, a lower bearing cover, an upper bearing and a lower bearing; the rotating shaft is sleeved in the shaft sleeve and is movably connected with the shaft sleeve through an upper bearing arranged on the inner wall of the top end of the shaft sleeve and a lower bearing arranged on the inner wall of the bottom end of the shaft sleeve; the upper bearing cover is covered on the end surface of the top end of the shaft sleeve and is fixed with the shaft sleeve through a bolt; the bottom end of the shaft sleeve is inserted into a first mounting hole formed in the reference plate, and the lower bearing cover is covered on the end surface of the bottom end of the shaft sleeve and the bottom surface of the reference plate and fixes the reference plate, the lower bearing cover and the shaft sleeve through bolts; the load motor is arranged at a second mounting hole formed in the reference plate.
Furthermore, a shafting flange is arranged at the bottom end of the rotating shaft, and a motor flange is arranged at the shaft end of an output shaft of the driving motor, so that the rotating shaft and the output shaft of the driving motor are connected with the motor flange through the shafting flange.
Further, the driving motor is a stepping motor, a servo motor or a rotating motor.
Further, the load motor is a torque motor or a stepping motor.
The transmission test device based on the circular grating is suitable for various transmission tests based on the circular grating, can realize data acquisition tests under different test working conditions such as different rotating speeds and different loads, manually set fluctuation tests of angles, angular acceleration and numerical values, synchronous acquisition tests of torque and corners, detection tests of motor cogging effect and the like, and effectively improves test verification efficiency aiming at different test working conditions.
Drawings
Fig. 1 is a schematic structural diagram of a transmission testing device based on a circular grating according to the present invention;
fig. 2 is a schematic structural diagram of a shaft system of the transmission testing device based on the circular grating of the present invention;
fig. 3 is a schematic structural diagram of a load mechanism of the transmission testing device based on the circular grating of the present invention.
Detailed Description
The present invention will be further described with reference to the following drawings and specific examples, but the following examples are by no means limiting the present invention.
As shown in FIG. 1, the transmission test device based on the circular grating comprises a grating assembly arranged on a device protection frame, a driving motor 8, a torque sensor 10, a shaft system 12 and a load assembly 15.
The device protection frame comprises a grating protection plate 1, a reference plate 4 and a motor mounting plate 6 which are sequentially horizontally arranged from top to bottom at intervals, wherein the grating protection plate 1 and the reference plate 4 are connected and fixed into a whole through four connecting columns 3 which are respectively arranged at the vertex angles of the plate surface; the reference plate 4 and the motor mounting plate 6 are connected and fixed into a whole through two connecting plates 5 which are vertically and symmetrically arranged at the edge of the plate surface; wherein, the center of the reference plate 4 and the motor mounting plate 6 is respectively provided with a mounting hole for mounting the driving motor 8 and the shaft system 12, so that the circular grating 14 is positioned below the grating guard plate 1.
The grating assembly comprises a grating fixed disc 13, a circular grating 14 and two reading heads which are horizontally arranged; wherein, the circular grating 14 is horizontally arranged and fixed on the grating fixed disk 13, and the two reading heads are symmetrically arranged on the two connecting columns 3 at the interval position through the two adjusting blocks 2 respectively; the adjusting block 2 is a block body with an axial through hole formed in the center, and can be arranged on the outer side of the connecting column 3 in a penetrating mode, two radial screw holes matched with the jackscrews are formed in the centers of a group of opposite side walls of the adjusting block 2 respectively, and the adjusting block 2 can be adjustably fixed at any position of the connecting column 3 by adjusting the positions of the jackscrews inserted into the two radial screw holes. The reading heads are fixed on the side wall of one side of the adjusting blocks 2, so that the reading heads and the circular light grid 14 form opposite arrangement, and before the test, the two adjusting blocks 2 are firstly adjusted, so that the reading heads on the adjusting blocks are aligned with the circular light grid 14.
The driving motor 8 is a servo motor, and is fixed at the mounting hole of the motor mounting plate 6 from the lower part of the motor mounting plate 6, so that the transmission shaft is vertically arranged upwards and extends out of the mounting hole on the motor mounting plate 6.
As shown in fig. 2, the shafting 12 includes an upper bearing cap 1201, a shaft sleeve 1202, a rotating shaft 1203, a lower bearing cap 1204, an upper bearing 1205 and a lower bearing 1206; wherein,
the rotating shaft 1203 is sleeved in the shaft sleeve 1202 and movably connected with the shaft sleeve 1202 through an upper bearing 1205 arranged on the inner wall of the top end of the shaft sleeve 1202 and a lower bearing 1206 arranged on the inner wall of the bottom end of the shaft sleeve 1202; the upper bearing 1205 and the lower bearing 1206 specifically adopt ball bearings;
the upper bearing cap 1201 covers the top end face of the shaft sleeve 1202 and is fixed with the shaft sleeve 1202 through bolts;
the shaft sleeve is vertically arranged, the bottom end of the shaft sleeve is inserted into a first mounting hole formed in the center of the reference plate 4, the lower bearing cover 1204 is covered on the end surface of the bottom end of the shaft sleeve 1202 and the bottom surface of the reference plate 4, and the reference plate 4, the lower bearing cover 1204 and the shaft sleeve 1202 are fixed through bolts;
the top end of the rotating shaft 1203 is fixed at the center of the bottom surface of the grating fixed disk 13, so that the circular grating 14 and the rotating shaft 1203 rotate synchronously; the bottom end of the rotating shaft 1203 is provided with a shaft system flange 9, correspondingly, the shaft end of the output shaft of the driving motor 8 is provided with a motor flange 7, so that the rotating shaft 1203 and the output shaft of the driving motor 8 are connected through the connected shaft system flange 9 and the motor flange 7, the driving motor 8 drives the rotating shaft 1203 of the shaft system 12 to rotate, and then the circular grating 14 is driven to rotate, namely the circular grating 14 and the output shaft of the driving motor 8 form synchronous rotation.
The torque sensor 10 is arranged between the driving motor 8 and the rotating shaft 1203, one end of the torque sensor is connected with the shafting flange 9 through a bolt, and the other end of the torque sensor is connected with an output shaft of the driving motor 8 through a bolt, so that the torque loaded on the rotating shaft 1203 can be read.
As shown in fig. 3, the load assembly 15 includes a load motor 1504, a small timing pulley 1503 and a large timing pulley 1501; an output shaft of the load motor 1504 is arranged in parallel to the rotating shaft, the small synchronous pulley 1503 and the large synchronous pulley 1501 are respectively sleeved and fixed on the output shaft of the load motor and the output shaft of the driving motor 8, and the small synchronous pulley 1503 and the large synchronous pulley 1501 are connected through a synchronous belt 1502, so that the small synchronous pulley 1503 drives the large synchronous pulley 1501 to rotate. The small synchronous pulley 1503, the large synchronous pulley 1501 and the synchronous belt 1502 form a speed reducing mechanism of the load assembly, specifically, the large synchronous pulley 1501 is a low-speed end of the speed reducing mechanism, the small synchronous pulley 1503 is a high-speed end of the speed reducing mechanism, and in practical application, the speed reducing degree of the speed reducing mechanism is adjusted by adjusting the diameter ratio between the small synchronous pulley 1503 and the large synchronous pulley 1501.
The transmission test device based on the circular grating is suitable for various transmission tests based on the circular grating, and transmission test verification under different test working conditions can be realized. Specifically, when the circular grating-based transmission test device is used for verifying the fluctuation of the angular velocity and the angular acceleration, the specific working method comprises the following steps: reading the angular velocity and the angular acceleration of a shafting at high frequency, drawing an angular velocity and angular acceleration curve, and amplifying the curve to check the fluctuation condition; when the transmission test device based on the circular grating is adopted to verify a method for synchronously acquiring the angle value and the torque value of a shafting, the specific working principle and the method are as follows: synchronously acquiring an angle value and a torque value of a shafting through software to obtain the torque value at the current angle; synchronously tracking the angle value and the torque value, so that the angle curve and the torque curve are in a corresponding relation in time; the specific working method for detecting the motor cogging by adopting the transmission test device based on the circular grating comprises the following steps: the servo motor works in a torque mode, the torque sensor collects the torque applied to the shafting in a high-frequency mode, a torque curve is drawn through a program, the fluctuation condition of the torque curve is observed, and the fluctuation percentage of the motor torque is determined.
The above embodiments should be understood as merely illustrative of the present invention and not as limiting the scope of the invention. After reading the description of the present invention, the skilled person can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope of the present invention defined by the claims.
Claims (7)
1. A transmission test device based on a circular grating is characterized by comprising a grating component, a driving motor (8), a torque sensor (10), a shafting (12) and a load component (15); wherein,
the grating assembly comprises a circular grating (14) which is horizontally arranged and fixed on a grating fixing disc (13) and two reading heads which are respectively and symmetrically arranged at two sides of the circular grating (14);
the shaft system (12) is vertically arranged, the top end of a rotating shaft (1203) of the shaft system is fixed at the center of the bottom surface of the grating fixing disc (13), and the bottom end of the rotating shaft is connected with an output shaft of the driving motor (8), so that the circular grating (14) and the output shaft of the driving motor (8) synchronously rotate; the torque sensor (10) is respectively connected with the rotating shaft (1203) and an output shaft of the driving motor (8);
the load assembly (15) comprises a load motor (1504), a small timing pulley (1503) and a large timing pulley (1501); the output shaft of the load motor (1504) is arranged in parallel to the rotating shaft, the small synchronous pulley (1503) and the large synchronous pulley (1501) are respectively sleeved and fixed on the output shaft of the load motor and the output shaft of the driving motor (8), and the small synchronous pulley (1503) and the large synchronous pulley (1501) are connected through a synchronous belt (1502), so that the small synchronous pulley (1503) drives the large synchronous pulley (1501) to rotate.
2. The transmission testing device based on the circular grating as claimed in claim 1, further comprising a device protection frame, which comprises a grating protection plate (1), a reference plate (4) and a motor mounting plate (6) which are horizontally arranged from top to bottom at intervals, wherein the grating protection plate (1) and the reference plate (4) are fixedly connected into a whole through four connecting columns (3) respectively arranged at the top corners of the plate surfaces; the reference plate (4) and the motor mounting plate (6) are connected and fixed into a whole through two connecting plates (5) which are vertically and symmetrically arranged at the edge of the plate surface; the center of the reference plate (4) and the center of the motor mounting plate (6) are respectively provided with mounting holes for mounting the driving motor (8) and the shaft system (12), so that the circular grating (14) is positioned below the grating protection plate (1).
3. The transmission testing device based on the circular grating as claimed in claim 2, wherein the two reading heads are respectively arranged on two connecting columns (3) at intervals through two adjusting blocks (2); the adjusting block (2) is provided with a center hole which enables the adjusting block to be sleeved on the outer side of the connecting column (3), two radial through holes matched with the jackscrews are respectively formed in a group of opposite side walls of the adjusting block (2), and the adjusting block is adjustably fixed at any position of the connecting column (3) through the jackscrews inserted into the two radial through holes.
4. The circular grating-based transmission testing device as claimed in claim 2, wherein the shaft system (12) comprises an upper bearing cover (1201), a shaft sleeve (1202), a rotating shaft (1203), a lower bearing cover (1204), an upper bearing (1205) and a lower bearing (1206); the rotating shaft (1203) is sleeved in the shaft sleeve (1202) and is movably connected with the shaft sleeve (1202) through an upper bearing (1205) arranged on the inner wall of the top end of the shaft sleeve (1202) and a lower bearing (1206) arranged on the inner wall of the bottom end of the shaft sleeve (1202); the upper bearing cover (1201) is covered on the top end face of the shaft sleeve (1202) and is fixed with the shaft sleeve (1202) through a bolt; the bottom end of the shaft sleeve is inserted into a first mounting hole formed in the reference plate (4), and the lower bearing cover (1204) is covered on the end surface of the bottom end of the shaft sleeve (1202) and the bottom surface of the reference plate (4) and fixes the reference plate (4), the lower bearing cover (1204) and the shaft sleeve (1202) through bolts; the load motor (1504) is installed at a second installation hole formed in the reference plate (4).
5. The transmission test device based on the circular grating as claimed in claim 2, wherein a shaft system flange (9) is arranged at the bottom end of the rotating shaft (1203), a motor flange (7) is arranged at the shaft end of the output shaft of the driving motor (8), and the rotating shaft (1203) and the output shaft of the driving motor (8) are connected through the shaft system flange (9) and the motor flange (7).
6. The circular grating-based transmission testing device according to claim 1 or 2, wherein the driving motor (8) is a stepping motor, a servo motor or a rotating motor.
7. The circular grating-based transmission testing apparatus of claim 1 or 2, wherein the load motor (1504) is a torque motor or a stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821784406.3U CN209027789U (en) | 2018-10-31 | 2018-10-31 | Transmission test device based on Circular gratings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821784406.3U CN209027789U (en) | 2018-10-31 | 2018-10-31 | Transmission test device based on Circular gratings |
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| Publication Number | Publication Date |
|---|---|
| CN209027789U true CN209027789U (en) | 2019-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821784406.3U Withdrawn - After Issue CN209027789U (en) | 2018-10-31 | 2018-10-31 | Transmission test device based on Circular gratings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342052A (en) * | 2018-10-31 | 2019-02-15 | 天津理工大学 | Transmission test device based on Circular gratings |
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2018
- 2018-10-31 CN CN201821784406.3U patent/CN209027789U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342052A (en) * | 2018-10-31 | 2019-02-15 | 天津理工大学 | Transmission test device based on Circular gratings |
| CN109342052B (en) * | 2018-10-31 | 2024-01-23 | 天津理工大学 | Transmission test device based on circular grating |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190625 Effective date of abandoning: 20240123 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190625 Effective date of abandoning: 20240123 |
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| AV01 | Patent right actively abandoned |