CN113310553A - Instrument coded disc rotation testing device - Google Patents
Instrument coded disc rotation testing device Download PDFInfo
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- CN113310553A CN113310553A CN202110561208.0A CN202110561208A CN113310553A CN 113310553 A CN113310553 A CN 113310553A CN 202110561208 A CN202110561208 A CN 202110561208A CN 113310553 A CN113310553 A CN 113310553A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
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Abstract
The utility model relates to a rotating testing device of a coded disc of an instrument, which aims to solve the technical problem that the testing efficiency is low when a water meter is delivered from a factory and is realized by manually stirring a character wheel to rotate; the controller is provided with a rotation control unit for controlling the rotating speed and the rotating angle of the driving motor, a calculating unit for calculating the corresponding reading number of the rotating angle of the driving motor and a comparing unit connected to the testing device, and the comparing unit is used for comparing the reading number obtained by the calculating unit with the reading number of the meter body. The test system and the test method have the effect of remarkably improving the test efficiency of the factory test of the instrument.
Description
Technical Field
The application relates to the field of instrument testing, in particular to an instrument code disc rotation testing device.
Background
The photoelectric direct-reading water meter is a metering water meter adopting a rotor-type metering structure, and has the characteristics of high metering precision, small initial flow, convenient meter reading, attractive appearance, safety, sanitation, long service life and the like.
In the related art, chinese patent No. CN207300330U discloses a photoelectric direct-reading water meter, which includes a character wheel and photoelectrons, wherein the character wheel is further provided with a sector-ring-shaped first light hole and a sector-ring-shaped second light hole, five pairs of photoelectrons are distributed around the circumference of the character wheel shaft, the adjacent photoelectrons are separated by 45 °, and the photoelectric direct-reading water meter further includes a digital display, a controller and a database, and the controller receives photoelectric data sent by the photoelectrons and displays a value corresponding to the database. Through the design structure of a counter character wheel in an electronic remote water meter (photoelectric direct reading), two light-transmitting holes with reasonable layout are adopted in the character wheel and are used as five pairs of photoelectrons to transmit and obtain five electronic code data; the data are analyzed to be read on the character wheel surface, the position and the angle of the designed character wheel light-transmitting hole completely meet the design requirements, electronic code data are not repeated, and automatic reading of the water meter is achieved.
Aiming at the related technologies, the water meter needs to be subjected to character wheel testing before leaving a factory, the water meter realizes testing by manually stirring the character wheel to rotate, and the inventor thinks that the defect of low testing efficiency exists.
Disclosure of Invention
In order to improve the efficiency of testing that the character wheel dispatched from the factory and tested, this application provides an instrument code wheel rotation testing arrangement.
The utility model provides a meter code wheel rotation testing arrangement adopts following technical scheme:
a testing device for rotation of a coded disc of an instrument comprises a testing table, wherein a testing board is arranged on the testing table, a driving motor used for driving the coded disc in an instrument body to rotate is arranged on one side of the testing board, a supporting frame is arranged on one side of the testing board, a butting plate is connected onto the supporting frame in a sliding mode, a testing device is arranged on the butting plate, and the testing device is used for reading a displayed number of the instrument body; the driving motor electricity is connected with the controller, the controller is provided with the rotation control unit who is used for controlling driving motor rotational speed and turned angle, is used for calculating the calculating unit that the corresponding registration of driving motor turned angle and connects in testing arrangement's comparing element, comparing element is used for reading the registration of calculating element gained and instrument body and compares.
By adopting the technical scheme, the driving motor rotates by a preset angle under the control of the rotation control unit of the controller, and the calculation unit calculates the number corresponding to the character wheel at the moment according to the preset angle; the testing device can read the number corresponding to the character wheel of the current instrument body from the instrument body, the comparison unit of the controller compares the two numbers, and when the two numbers are consistent, the character wheel is free of error; because the character wheel has the quadbit, need test subsequent character wheel after first character wheel rotates 360, because first character wheel indicates that first character wheel is normal after rotating 360, the controller is testing the second this moment, three, the rotational speed that can drive motor when the quadbit character wheel is adjusted, make drive motor's rotational speed improve, thereby the efficiency of software testing of instrument has further been improved, because manual test need stir the character wheel and rotate 10000 and change, therefore this application is compared in the efficiency of artifical test and is showing the improvement.
Preferably, the test board is provided with an embedding hole for embedding the instrument body, the support frame is provided with a driving assembly for driving the abutting plate to downwards abut against the instrument body, and the surface of the abutting plate facing the embedding hole is provided with an abutting column for abutting against the instrument body.
Through adopting above-mentioned technical scheme, the setting in embedding hole is convenient for inject the position of instrument body in the horizontal plane for drive gear on the instrument body is convenient for rotate under driving motor's drive, and drive assembly drive butt joint board removes towards embedding hole, thereby supports to press the tight instrument body of post pressure and realize the quick fixed to the instrument body.
Preferably, the pressure detecting device is arranged on the pressure supporting column, the pressure detecting device is electrically connected to the controller to transmit pressure supporting signals to the controller, and the test board is located on two sides of the embedding hole and is respectively provided with a limiting mechanism for limiting the instrument body.
Through adopting above-mentioned technical scheme, when the instrument body is pushed down to the post that supports to press, pressure detection device can detect pressure, and controller control stop gear is injectd the position of instrument body in the horizontal plane this moment, has realized the automatic fixation to instrument body position.
Preferably, stop gear is including installing driving piece on testing the board, setting up the catch bar at the driving part drive end and setting up the spacing ring on the testing board surface, the one end that the catch bar passed the spacing ring is provided with the briquetting, the briquetting is provided with the pressure inclined plane of being convenient for to the pressure instrument body.
Through adopting above-mentioned technical scheme, the catch bar of driving piece drive end slides along the spacing ring under the effect of driving piece, and instrument body surface is provided with the breach, and the instrument body installation of being convenient for, therefore the support of catch bar tip even the instrument body is higher than also can push down the instrument body and fix when the test panel surface at the instrument body to the stability of instrument body in the test procedure has been guaranteed.
Preferably, drive assembly is the active grab, the active grab is including setting up mounting bracket on the support frame, setting at the arc pole on mounting bracket surface, articulating at the even board on arc pole top, setting up and keeping away from even spacing pipe of board and inserting the support pressure pole of establishing in spacing pipe at the arc pole, even the board is kept away from its and is articulated with the articulated one end of arc pole to have the confession even the board and insert the position frame of establishing of letting, let the position frame keep away from even one end of board and articulate in the one end of pressure lever, the one end that the pressure lever kept away from even board is connected on the pressure lever, even board one side is provided with the spanner, the spanner is used for the drive to let the position frame swing slide along the spacing ring with drive pressure lever.
Through adopting above-mentioned technical scheme, rotate the spanner and can make and let the position frame swing, the drive even board rotates for the arc pole top, supports the depression bar this moment and slides along spacing pipe length direction under the drive that lets the position frame, has realized the quick drive to the butt plate, and the post of supporting on the butt plate can support and press the instrument body to the quick fixed to the instrument body has been realized.
Preferably, the side wall of the pressure lever is inserted with a connecting rod, one end of the connecting rod, which is far away from the pressure lever, is provided with a limiting rod perpendicular to the connecting rod, one end of the limiting rod, which is far away from the connecting rod, is provided with a locking rod, and the side wall of the wrench is provided with a locking hole for the limiting rod to be inserted and established.
Through adopting above-mentioned technical scheme, the connecting rod of gag lever post one end is inserted and is established to support the depression bar, and the lock bar of the other end is inserted and is established in the spanner for support depression bar, gag lever post and spanner and form a right angled triangle, thereby carried out the locking to the position of spanner, prevented that the spanner from leading to the fixed pine of instrument body to take off under the condition that the mistake touched.
Preferably, the abutting rod is provided with a limiting hole for the connecting rod to be inserted into, one end of the connecting rod, which is far away from the limiting rod, penetrates out of the limiting hole, one end of the connecting rod, which is far away from the limiting rod, is provided with a limiting ring plate, and a reset elastic piece is arranged on one side surface of the limiting ring plate, which faces the abutting rod.
By adopting the technical scheme, the reset elastic piece on the limiting ring plate is compressed when the limiting ring plate moves towards the abutting rod, so that an elastic acting force for automatic locking can be provided for the locking rod when the locking rod moves to the position of the locking hole, and the locking rod can be conveniently and automatically inserted into the locking hole to lock the wrench; on the other hand, the setting of the elastic piece that resets can also make the locking pole keep inserting the state of establishing in the locking pole hole, has guaranteed the stability of locking.
Preferably, the outer side wall of the limiting pipe is provided with a fixed ring plate, and a contraction spring used for resetting the abutting plate is arranged on the surface of the fixed ring plate facing the abutting plate.
Through adopting above-mentioned technical scheme, shrink spring's setting provides an elastic force between fixed ring board and butt plate to make the butt plate when supporting and pressing the instrument body down under the drive of pressing the pole, can provide an automatic re-setting's elastic force for the butt plate, thereby can reset the spanner fast when the locking of contact spanner rotates the spanner, improved fixed efficiency and fixed stability.
Preferably, the support frame is located the mounting bracket bottom and is provided with the backup pad, the both ends of backup pad are provided with the guide arm, the butt plate cover is established on the guide arm.
Through adopting above-mentioned technical scheme, fixed guide rail can provide the guide effect for the removal of butt joint board in the backup pad to guarantee the steady removal of butt joint board when pressing the pole butt joint board to slide from top to bottom, restricted the removal of butt joint board in the horizontal plane, guaranteed that the butt joint board only slides on vertical direction, thereby be convenient for improve the stability and the accurate nature fixed to the instrument body.
Preferably, the guide rod is provided with a locking spring between the abutting plate and the test bench.
Through adopting above-mentioned technical scheme, the butt plate is when pushing down the instrument body, and locking spring receives extrusion deformation, therefore can provide an elastic force for the butt plate, under this elastic force, on the one hand, the spanner rotates and makes the butt plate shift up more laborsavingly, and on the other hand, when the spanner is locked for support and press the pole and receive ascending effort, stability when keeping drive assembly fixed.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by adopting the technology that the test board, the driving motor, the controller, the support frame, the abutting plate, the test device, the rotation control unit, the calculation unit and the comparison unit are matched, the test efficiency of the factory test of the instrument code disc is improved conveniently;
2. the technology that the embedded hole, the driving assembly, the pressing column, the pressure testing device, the limiting mechanism, the driving piece, the pushing rod, the limiting ring, the pressing block and the pressing inclined plane are matched is adopted, so that the instrument body is convenient to fix;
3. the people's air defense adopts mounting bracket, arc pole, even board, spacing pipe, supports the depression bar, lets position frame, spanner, connecting rod, gag lever post, lock pole, locking hole, spacing crown plate, the elastic component that resets, fixed ring board, shrink spring, backup pad, guide arm and locking spring matched with technique to be convenient for drive butt board is down, and keeps the state to the butt plate butt.
Drawings
FIG. 1 is a schematic overall structure diagram of a device for testing instrument code disc rotation in an embodiment of the present application;
FIG. 2 is a schematic diagram of an embodiment of the present application for showing structures at a single test board;
FIG. 3 is a logic block diagram for showing control logic of a controller in an embodiment of the present application;
FIG. 4 is a schematic view for showing the structure of the limiting mechanism in the embodiment of the present application;
fig. 5 is an exploded view for showing a structure at a driving assembly in an embodiment of the present application.
Description of reference numerals: 1. a test bench; 11. a test board; 111. embedding holes; 1111. protecting the rubber pad; 2. a drive motor; 20. a rotating wheel; 21. a controller; 211. a rotation control unit; 212. a calculation unit; 213. a comparison unit; 3. a support frame; 31. a butt joint plate; 311. a testing device; 312. a pressing column; 3121. a pressure detection device; 32. a support plate; 321. a guide bar; 3211. a locking spring; 4. a limiting mechanism; 41. a drive member; 42. a push rod; 421. a pressing block; 4211. pressing the inclined plane; 43. a limiting ring; 5. a drive assembly; 51. a mounting frame; 52. an arcuate bar; 53. connecting plates; 531. a position yielding frame; 532. a wrench; 5320. an anti-slip rubber sleeve; 5321. a locking hole; 54. a limiting pipe; 541. a stationary ring plate; 542. a retraction spring; 55. a pressing rod; 551. a limiting hole; 56. a connecting rod; 561. a limiting rod; 562. a lock lever; 563. a limit ring plate; 5631. a restoring elastic member; 6. the instrument body.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a device for testing rotation of a coded disc of an instrument. Referring to fig. 1 and 2, the instrument code wheel rotation testing device comprises a testing table 1, wherein a testing plate 11 is fixed on the testing table 1 through a bolt. The test board 11 is provided with a hole 111 at the center thereof for inserting the water meter body. The test bench 1 is fixedly provided with a protective rubber pad 1111 adhered to the bottom wall of the embedding hole 111 to protect the instrument body 6 and reduce the damage to the instrument body in the test process.
Referring to fig. 2 and 3, a driving motor 2 for driving a code wheel in the meter body 6 to rotate is fixed on one side of the test board 11 through a bolt, a rotating wheel 20 is connected to an output shaft of the driving motor 2 through a key, and a side wall of the rotating wheel 20 is provided with gear teeth. The rotating wheel 20 is meshed with a driving gear on the instrument body 6, so that the first character wheel is driven to rotate conveniently. The driving motor 2 is electrically connected with a controller 21, and the controller 21 can be a PLC controller; the drive motor 2 may be a stepper motor. The controller 21 is internally provided with a rotation control unit 211 for controlling the rotation speed of the driving motor 2 and a calculating unit 212 for calculating the corresponding indication number of the rotation angle of the motor, and the rotation control unit 211 can control the rotation speed and the rotation angle of the driving motor 2, so that the calculating unit 212 can calculate the indication number of the character wheel on the water meter body corresponding to the rotation angle.
Referring to fig. 2, the testing board 11 is located at one side of the testing board 11 and is provided with a supporting frame 3 through a bolt, the supporting frame 3 is provided with a supporting plate 32 through a bolt towards one side surface of the embedding hole 111, two ends of the supporting plate 32 penetrate through guide rods 321, the guide rods 321 are connected with abutting plates 31 in a sliding manner, and the abutting plates 31 slide along the length direction of the guide rods 321.
Referring to fig. 2, the guide rod 321 is located between the abutting plate 31 and the test platform 1, and a locking spring 3211 is sleeved on the guide rod, one end of the locking spring 3211 abuts against the surface of the test platform 1, and the other end abuts against the bottom wall of the abutting plate 31, so as to apply an upward elastic acting force to the abutting plate 31.
Referring to fig. 2 and 3, a testing device 311 is inserted on the abutting plate 31, and the testing device 311 is a testing probe inserted and adhesively fixed in the abutting plate 31. One end of the test probe is abutted against the pins of the circuit board of the instrument body 6, and the other end of the test probe is connected to the controller 21 through an electric wire so as to transmit the data read by the instrument body 6 to the controller 21.
Referring to fig. 2 and 3, the controller 21 further includes a comparing unit 213 connected to the testing device 311, the comparing unit 213 is configured to compare the readings obtained by the calculating unit 212 with the readings read by the meter body 6, and when the readings are consistent, the current number of the current print wheel passes the test.
Referring to fig. 2 and 3, the surface of the abutting plate 31 facing the embedding hole 111 is provided with a pressing column 312 for pressing against the meter body 6 through a bolt, one end of the pressing column 312 close to the meter body 6 is in a truncated cone shape, and one end of the pressing column 312 close to the abutting plate 31 is in a cylindrical shape. A pressure detection device 3121 is installed in the pressing column 312, and the pressure detection device 3121 is located in the middle of the pressing column 312. The pressure detection device 3121 is electrically connected to the controller 21 to transmit a pressing signal to the controller 21, the test board 11 is provided with a limiting mechanism 4 for limiting the instrument body 6 on two sides of the embedding hole 111, and the controller 21 controls the limiting mechanism 4 to start to limit the instrument body 6 when the pressure detection device 3121 detects the pressing signal.
Referring to fig. 3 and 4, the stopper mechanism 4 includes a driving member 41 mounted on the test plate 11, a push rod 42 mounted at a driving end of the driving member 41 by a bolt, and a stopper ring 43 mounted on the surface of the test plate 11 by a bolt, the push rod 42 being fittingly inserted in the stopper ring 43. The driving member 41 may be an electric push rod, and the push rod 42 penetrates one end of the limiting ring 43 and is fixed with a pressing block 421 by welding. The pressing block 421 is cut to form a pressing inclined plane 4211 for pressing the meter body 6, the pressing inclined plane 4211 is inclined from the end wall to the bottom wall, and the driving member 41 is electrically connected to the controller 21, so that when the pressing column 312 presses the meter body 6, the controller 21 controls the driving member 41 to fix the meter body 6.
Referring to fig. 2 and 5, the support frame 3 is provided with a driving assembly 5 for driving the abutting plate 31 to move downwards to abut against the instrument body 6, the driving assembly 5 is a quick clamp, and the quick clamp comprises a mounting frame 51 mounted on the support frame 3 through bolts, an arc rod 52 welded and fixed on the surface of the mounting frame 51, a connecting plate 53 hinged on the top end of the arc rod 52, a limiting pipe 54 welded and fixed on the arc rod 52 far away from the connecting plate 53, and an abutting rod 55 inserted in the limiting pipe 54.
Referring to fig. 5, the mounting frame 51 is mounted above the supporting plate 32 by bolts, the end of the connecting plate 53, which is away from the end hinged to the arc-shaped rod 52, is hinged to a position-giving frame 531 for the connecting plate 53 to be inserted, the position-giving frame 531 is composed of two plates, and the surfaces of the two plates, which are opposite to each other in the middle, are bent to form a groove, so that the connecting plate 53 is inserted into the groove. The end of the position frame 531 far from the connecting plate 53 is hinged to one end of the abutting rod 55, the end of the abutting rod 55 far from the connecting plate 53 is in threaded connection with the abutting plate 31, a wrench 532 is integrally formed on one side of the connecting plate 53, and an anti-skid rubber sleeve 5320 is sleeved on the wrench 532. The wrench 532 is used for driving the let bracket 531 to swing so as to drive the abutting rod 55 to slide along the limiting ring 43, so that the abutting rod 312 can be driven downwards to abut and fix the instrument body 6.
Referring to fig. 5, a limiting hole 551 is formed at one end of the pressing rod 55 close to the position-giving frame 531, and a connecting rod 56 is inserted into the limiting hole 551 of the pressing rod 55. The welding of the one end of connecting rod 56 has the gag lever post 561 perpendicular with connecting rod 56, and the gag lever post 561 is kept away from the one end welded fastening of connecting rod 56 has a locking pole 562, and locking pole 562 is parallel to each other and is located the same side of gag lever post 561 with connecting rod 56. The side wall of the wrench 532 is provided with a locking hole 5321 for inserting the limiting rod 561, and the locking rod 562 is fittingly inserted into the locking hole 5321 to prevent the wrench 532 from loosening.
Referring to fig. 5, one end of the connecting rod 56, which is far away from the limiting rod 561, penetrates through the limiting hole 551, one end of the connecting rod 56, which is far away from the limiting rod 561, is fixedly welded with a limiting ring plate 563, and the distance between the limiting ring plate 563 and the outer side wall of the pressing rod 55, which faces the side wall of the pressing rod 55, is greater than the length of the locking rod 562. Spacing ring plate 563 is fixed with the elastic component 5631 that resets towards one side surface welded of propping depression bar 55, and the elastic component 5631 that resets keeps away from the one end of spacing ring plate 563 and offsets with the lateral wall that props depression bar 55 to provide elastic force for the reseing of spacing ring plate 563.
Referring to fig. 5, a fixed ring plate 541 is fixed to the outer side wall of the limiting tube 54 by welding, a contraction spring 542 for resetting the abutting plate 31 is fixed to the surface of the fixed ring plate 541 facing the abutting plate 31 by welding, the contraction spring 542 is in a compressed state in a normal state, and when the abutting plate 31 moves downward to abut against the instrument body 6, the contraction spring 542 is stretched.
The implementation principle of the instrument code wheel rotation testing device in the embodiment of the application is as follows:
when the instrument needs to be tested, the instrument body 6 is placed into the embedding hole 111 on the surface of the test board 11, and then the surface contact gear of the driving motor 2 is meshed with the driving gear on the instrument body 6. Then, the wrench 532 is rotated by 180 °, so that the abutting rod 55 moves downward to abut against the meter body 6. At this time, the pressure detecting device 3121 on the pressing column 312 detects the pressure, and sends a signal to the controller 21, and the controller 21 controls the driving member 41 to start.
The driving part 41 drives the pushing rod 42 to move towards the instrument body 6, and the pressing block 421 presses and limits the instrument body 6 under the action of the pressing inclined plane 4211, so that stability of the instrument body 6 in a test process is guaranteed. Then, the controller 21 controls the driving motor 2 to rotate by a certain angle through the rotation control unit 211, and the calculation unit 212 calculates the number of character wheel readings corresponding to the angle. Then the testing device 311 directly reads the data directly read by the meter body 6, the comparison unit 213 compares the two readings, and when the comparison is consistent, the test is continued, thereby improving the efficiency of the meter test.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an instrument code wheel rotates testing arrangement which characterized in that: the test device comprises a test board (1), wherein a test board (11) is arranged on the test board (1), a driving motor (2) used for driving a code wheel in a meter body (6) to rotate is arranged on one side of the test board (11), a support frame (3) is arranged on one side, located on the test board (11), of the test board (11), a butting plate (31) is connected to the support frame (3) in a sliding mode, a test device (311) is arranged on the butting plate (31), and the test device (311) is used for reading a displayed number of the meter body (6); the driving motor (2) is electrically connected with a controller (21), the controller (21) is provided with a rotation control unit (211) used for controlling the rotating speed and the rotating angle of the driving motor (2), a calculating unit (212) used for calculating the corresponding readings of the rotating angle of the driving motor (2) and a comparing unit (213) connected to the testing device (311), and the comparing unit (213) is used for reading the readings of the calculating unit (212) and the meter body (6) for comparison.
2. The instrument code wheel rotation testing device of claim 1, wherein: the test board (11) is provided with an embedded hole (111) for embedding the instrument body (6), the support frame (3) is provided with a driving assembly (5) for driving the abutting plate (31) to abut against the instrument body (6) downwards, and the surface of the abutting plate (31) facing the embedded hole (111) is provided with an abutting column (312) for abutting against the instrument body (6).
3. The instrument code wheel rotation testing device of claim 2, wherein: the pressure support column (312) is provided with a pressure detection device (3121), the pressure detection device (3121) is electrically connected to the controller (21) to transmit a pressure signal to the controller (21), and the test board (11) is provided with a limiting mechanism (4) for limiting the instrument body (6) on two sides of the embedding hole (111).
4. The instrument code wheel rotation testing device of claim 3, wherein: stop gear (4) are including installing driving piece (41), setting in the catch bar (42) of driving piece (41) drive end on surveying test panel (11) and setting at spacing ring (43) on survey test panel (11) surface, catch bar (42) pass the one end of spacing ring (43) and are provided with briquetting (421), briquetting (421) are provided with the withstand voltage inclined plane (4211) of being convenient for withstand voltage instrument body (6).
5. The instrument code wheel rotation testing device of claim 2, wherein: the driving component (5) is a quick clamp which comprises a mounting frame (51) arranged on the support frame (3), an arc-shaped rod (52) arranged on the surface of the mounting frame (51), a connecting plate (53) hinged at the top end of the arc-shaped rod (52), a limiting pipe (54) arranged on the arc-shaped rod (52) and far away from the connecting plate (53), and a pressing rod (55) inserted in the limiting pipe (54), one end of the connecting plate (53) far away from the end hinged with the arc-shaped rod (52) is hinged with a position-giving frame (531) for the connecting plate (53) to be inserted, one end of the position yielding frame (531) far away from the connecting plate (53) is hinged with one end of the pressing rod (55), one end of the abutting rod (55) far away from the connecting plate (53) is connected to the abutting plate (31), a wrench (532) is arranged on one side of the connecting plate (53), and the wrench (532) is used for driving the position giving frame (531) to swing so as to drive the abutting rod (55) to slide along the limiting ring (43).
6. The instrument code wheel rotation testing device of claim 5, wherein: the side wall of the abutting rod (55) is inserted with a connecting rod (56), one end, far away from the abutting rod (55), of the connecting rod (56) is provided with a limiting rod (561) perpendicular to the connecting rod (56), one end, far away from the connecting rod (56), of the limiting rod (561) is provided with a locking rod (562), and the side wall of the wrench (532) is provided with a locking hole (5321) for the limiting rod (561) to be inserted.
7. The instrument code wheel rotation testing device of claim 6, wherein: the pressing rod (55) is provided with a limiting hole (551) for the connecting rod (56) to be inserted, one end, away from the limiting rod (561), of the connecting rod (56) penetrates out of the limiting hole (551), one end, away from the limiting rod (561), of the connecting rod (56) is provided with a limiting ring plate (563), and one side surface, facing the pressing rod (55), of the limiting ring plate (563) is provided with a reset elastic piece (5631).
8. The instrument code wheel rotation testing device of claim 5, wherein: the outer side wall of the limiting pipe (54) is provided with a fixed ring plate (541), and a contraction spring (542) used for resetting the abutting plate (31) is arranged on the surface, facing the abutting plate (31), of the fixed ring plate (541).
9. The instrument code wheel rotation testing device of claim 5, wherein: the support frame (3) is located that mounting bracket (51) bottom is provided with backup pad (32), the both ends of backup pad (32) are provided with guide arm (321), butt joint board (31) cover is established on guide arm (321).
10. The instrument code wheel rotation testing device of claim 9, wherein: and the guide rod (321) is positioned between the abutting plate (31) and the test bench (1) and is provided with an anti-loosening spring (3211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110561208.0A CN113310553A (en) | 2021-05-22 | 2021-05-22 | Instrument coded disc rotation testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110561208.0A CN113310553A (en) | 2021-05-22 | 2021-05-22 | Instrument coded disc rotation testing device |
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| CN113310553A true CN113310553A (en) | 2021-08-27 |
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| CN202110561208.0A Pending CN113310553A (en) | 2021-05-22 | 2021-05-22 | Instrument coded disc rotation testing device |
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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