CN214150773U

CN214150773U - Rotating speed calibration device

Info

Publication number: CN214150773U
Application number: CN202120330096.3U
Authority: CN
Inventors: 邢强华; 孙波; 李永健; 孟小燕
Original assignee: Kaide Instrument Shenzhen Co ltd
Current assignee: Kaide Instrument Shenzhen Co ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-09-07
Anticipated expiration: 2031-02-04

Abstract

The application relates to the technical field of measuring fixtures, and relates to a rotating speed calibration device which comprises a base, a motor and a clamping assembly, wherein the motor is arranged on the upper side of the base; the instrument is clamped and fixed through the clamping assembly, so that the error of manual operation can be effectively reduced, and the instrument can be detected more accurately; on the other hand, the working efficiency is improved, and the labor intensity of workers is reduced.

Description

Rotating speed calibration device

Technical Field

The application relates to the field of measuring fixtures, in particular to a rotating speed calibration device.

Background

At present, in order to meet various working requirements, instruments with different purposes are researched and manufactured, and convenience is brought to various industries, wherein an infrared rotating speed measuring instrument is one of the instruments, and the instrument can clearly measure the rotating speed of a rotating object so as to enable workers to know parameters of the rotating object.

Referring to fig. 1, the existing infrared tachometer includes a housing 10 and an infrared tachometer 103 mounted on the housing 10, where the housing 10 includes a mounting end 101 and a rotating end 102 detachably connected to one end of the mounting end 101 and used in cooperation with the infrared tachometer 103, and the rotating end 102 is rotatably connected to the mounting end 101; before leaving the factory, the staff need test rotational speed measuring instrument to ensure that rotational speed measuring instrument can normally work, the staff holds the instrument by hand, and contradicts rotatory end 102 in the output shaft of motor, runs the motor, makes motor output shaft rotate certain number of turns, then the data that the observation instrument shows, and then judges whether the instrument can normally use.

With respect to the related art in the above, the inventors consider that: through manual mode measuring instrument, produce measuring error easily, lead to the measured data to appear the deviation.

SUMMERY OF THE UTILITY MODEL

In order to reduce the human error that produces in the testing process to rotational speed measuring instrument, this application provides a rotational speed calibration device.

The application provides a rotational speed calibration device adopts following technical scheme:

the utility model provides a rotational speed calibration device, includes the base, and install in the motor of base upside still includes the centre gripping subassembly that carries out the centre gripping with the instrument, and the centre gripping subassembly include the grip slipper, and can dismantle connect in connecting seat on the grip slipper, the connecting seat is equipped with the groove of stepping down that supplies the instrument embedding along vertical direction.

By adopting the technical scheme, the instrument is embedded into the abdicating groove firstly, so that the instrument and the connecting seat are kept relatively fixed, then the connecting seat is embedded into the clamping seat, the position of the connecting seat is adjusted, the rotating end of the instrument is abutted against the end face of the output shaft of the motor, the motor is operated, the output shaft of the motor drives the rotating end to rotate, the output shaft of the motor rotates for a certain number of turns at the specified time, whether the data displayed by the instrument is consistent with the actual number of turns of the motor or not is judged, if so, the instrument can be normally used, if not, the instrument needs to be detected, the instrument is clamped and fixed through the clamping component, errors caused by manual operation can be effectively reduced, and further, the instrument is more accurately detected; on the other hand, the working efficiency is improved, and the labor intensity of workers is reduced.

Preferably, the clamping seat comprises a bottom plate and two side plates fixedly connected to the upper ends of two opposite sides of the base, the connecting seat is slidably connected between the two side plates, and the clamping assembly further comprises a driving part for driving the connecting seat to approach the motor output shaft.

By adopting the technical scheme, the connecting seat is directly embedded into the position between the two side plates, so that the operation is simple and easy, and the detection efficiency of workers is improved; the driving piece drives the rotating end of the instrument to abut against the output shaft of the motor, so that the inspection precision of the instrument is further improved, and the detection effect is improved.

Preferably, the base upside is equipped with the connecting plate, the driving piece is located including wearing to locate first bolt, the cover of connecting plate the butt ring of first bolt, order about the butt ring support tightly in the connecting seat deviates from the spring of one side of motor, and two threaded connection in the first nut of first bolt, first nut respectively the butt in the relative both sides of connecting plate, the spring housing is located first bolt, the butt ring is equipped with the confession along the horizontal direction the gliding hole of stepping down of nut of first bolt.

By adopting the technical scheme, the abutting ring is sleeved on the first bolt, the first thread penetrates through the connecting plate, the first bolt and the connecting plate are relatively fixed through the two first nuts, the abutting ring abuts against the connecting seat under the elastic force action of the spring, and the rotating end of the instrument on the connecting seat abuts against the end face of the output shaft of the motor, so that the installation is simple; during actual operation, will butt joint the ring and slide along first bolt length direction, order about the spring and take place deformation, then with connecting seat and holder separation, simple easy operation.

Preferably, the abutting ring comprises an abutting end abutting against the connecting seat and an expanding end fixedly connected to one end, deviating from the motor, of the abutting end.

Through adopting above-mentioned technical scheme, the diameter enlargement end increases the area of contact of staff and butt ring, makes things convenient for the staff to keep away from the connecting seat with the butt ring, and then makes things convenient for the staff to take out the connecting seat.

Preferably, the connecting plate including contradict in the horizontal end of base upside, and fixed connection in the horizontal end is close to the vertical end of motor, the horizontal end upside be equipped with contradict in the enhancement seat of vertical end, it is connected with the base through the second bolt to strengthen the seat.

Through adopting above-mentioned technical scheme, the reinforcing plate plays the effect of strengthening the structural strength of connecting plate, will strengthen seat and connecting plate and base mutually fixed simultaneously through the second bolt in proper order, and simple easy operation has improved staff's installation effectiveness.

Preferably, a reflective film is arranged on the output shaft of the motor, and a gap is formed between the reflective film and the rotation center of the motor.

Through adopting above-mentioned technical scheme, in the actual testing process, can unpack the rotatory end of instrument and the casing of instrument apart, then aim at the reflective membrane with the infrared ray that the infrared ray speed sensor of instrument sent, make motor output shaft at the pivoted in-process, the infrared ray speed sensor of instrument still can obtain the rotational speed of motor under the cooperation of reflective membrane is used, and then judge whether the instrument can normal use, because do not need rotatory end to contradict in the output shaft of motor, can avoid the wearing and tearing of rotatory end, play the effect of protection to the instrument.

Preferably, the reflective film is fixedly connected to the peripheral side wall of the motor output shaft, and the upper side of the base is fixedly connected with a connecting seat for the connecting seat to be embedded in.

By adopting the technical scheme, a worker can respectively place the two connecting seats with the instruments on the clamping seat and the connecting seat, so that one motor can detect the two instruments, and the detection efficiency of the instruments is improved; on the other hand, the load of the motor is reduced, and the service life of the motor is prolonged.

Preferably, the motor and the clamping assembly are provided in plurality.

Through adopting above-mentioned technical scheme, a plurality of motors and a plurality of centre gripping subassembly for the device can detect a plurality of instruments simultaneously, and then has improved the device's suitability.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the instrument is embedded into the connecting seat, then the connecting seat is embedded into the clamping seat, the rotating end of the instrument is driven to be tightly abutted against the output shaft of the motor through the driving piece, and the instrument is clamped and fixed through the clamping assembly, so that the error of manual operation can be effectively reduced, and the instrument can be detected more accurately;

2. in the actual testing process, can be with the rotatory end of instrument and the casing separation of instrument, then with the casing embedding connecting seat of instrument, then with connecting seat embedding linking seat, under the cooperation of reflective membrane for a motor can detect two instruments, and then has improved the device's suitability.

Drawings

Fig. 1 is a schematic structural diagram of a related infrared rotational speed measuring instrument.

Fig. 2 is a schematic structural diagram of an embodiment of the present application.

Fig. 3 is a partial schematic view for illustrating the driving member.

Description of reference numerals: 1. a base; 11. a motor; 12. a base plate; 13. a side plate; 2. a clamping seat; 21. a connecting seat; 22. a yielding groove; 3. a drive member; 31. a first bolt; 32. a butting ring; 33. a spring; 34. a first nut; 35. a hole of abdication; 36. a butting end; 37. a diameter expanding end; 4. a connecting plate; 41. a horizontal end; 42. a vertical end; 5. a reinforcement base; 51. a second bolt; 6. a light-reflecting film; 7. a linking seat; 8. a support plate; 81. a connector tile; 9. a gasket; 10. a housing; 101. a mounting end, 102, a rotating end; 103. an infrared ray speed measuring device.

Detailed Description

The present application is described in further detail below with reference to figures 2-3.

The embodiment of the application discloses a rotating speed calibration device. Referring to fig. 2 and 3, a rotation speed calibration device includes a base 1, a motor 11 mounted on the upper side of the base 1 through a bolt, and a clamping assembly for clamping a meter, in this embodiment, the clamping assembly includes a clamping seat 2 and a connecting seat 21 detachably connected to the clamping seat 2, the clamping seat 2 includes a bottom plate 12 fixed to the base 1 through a bolt, and side plates 13 integrally formed on the upper ends of the two opposite sides of the bottom plate 12, the connecting seat 21 is slidably connected between the two side plates 13, and a stepping groove 22 for embedding the meter is formed in the upper end surface of the connecting seat 21 along the vertical direction, one end of the stepping groove 22 penetrates through one end of the connecting seat 21, so that the rotation end of the meter can extend out of the connecting seat 21, and further the rotation end of the meter can abut against the output shaft of the motor 11, a worker can operate the motor 11, the output shaft of the motor 11 drives the meter to rotate, after the motor 11 stops operating, whether the instrument can work normally again is judged through data of the instrument, the instrument is clamped and fixed through the clamping assembly, errors of manual operation can be effectively reduced, and the instrument is detected more accurately; on the other hand, the working efficiency is improved, and the labor intensity of workers is reduced.

In the embodiment, two support plates 8 are fixed on the upper side of the bottom plate 12 through bolts, and the lower side of the connecting seat 21 abuts against the upper side of the support plates 8 to support the connecting seat 21; on the other hand, the material cost of the connection holder 21 and the bottom plate 12 is reduced.

Preferably, the clamping assembly further includes a driving member 3 for driving the connecting seat 21 to approach towards the output shaft of the motor 11, in this embodiment, the upper side of the base 1 is provided with a connecting plate 4, the connecting plate 4 includes a horizontal end 41, and a vertical end 42 integrally formed at one end of the horizontal end 41 close to the motor 11, the horizontal end 41 extends along the horizontal direction, and the horizontal end 41 abuts against the upper side of the base 1, the vertical end 42 extends along the vertical direction, the driving member 3 includes a first bolt 31 penetrating the vertical end 42, an abutting ring 32 sleeved on the first bolt 31, a spring 33 driving the abutting ring 32 to abut against the connecting seat 21, and two first nuts 34 threadedly connected to the first bolt 31, the abutting ring 32 is provided with an abdicating hole 35 towards one end of the motor 11, the abdicating hole 35 extends along the horizontal direction, and the nuts of the first bolt 31 are slidably connected in the abdicating hole 35, the spring 33 is sleeved on the peripheral side wall of the first bolt 31, so that the first bolt 31 can support and limit the spring 33; first bolt 31 still overlaps and is equipped with gasket 9, and the staff is with two first conflicts respectively on the relative both sides of vertical end 42 for first bolt 31 and vertical end 42 relatively fixed, gasket 9 conflicts on one side of being close to motor 11's first nut 34 towards motor 11, and spring 33 one end is contradicted in gasket 9, the other end conflicts in one side that the butt ring 32 deviates from motor 11, and spring 33 orders about the nut of first bolt 31 and conflicts in the diapire of hole 35 of stepping down.

After the detection work is finished, the operator moves the abutting ring 32 away from the motor 11 by hand, at this time, the abutting ring 32 and the first bolt 31 slide relatively, the connecting base 21 moves away from the motor 11, and the rotating end of the instrument is not abutted against the output shaft of the motor 11, so that the operator can take out the connecting base 21 conveniently, the operator can detect the next instrument conveniently, and the detection efficiency is improved; preferably, in the present embodiment, the abutting ring 32 includes an abutting end 36 for abutting against the connecting seat 21, and a diameter-expanding end 37 integrally formed at an end of the abutting end 36 away from the motor 11, and the diameter-expanding end 37 facilitates the application of force to the abutting ring 32 by the operator.

In this embodiment, the upper side of the horizontal end 41 is provided with the reinforcing seat 5 abutting against the vertical end 42, and the reinforcing seat 5 is connected with the base 1 through the second bolt 51, during actual operation, the second bolt 51 is sequentially inserted into the reinforcing seat 5 and the horizontal end 41, and finally the reinforcing seat 5 and the connecting plate 4 are in threaded connection with the base 1, so that the reinforcing seat 5 and the connecting plate 4 are relatively fixed with the base 1; on the other hand, the reinforcing seat 5 can reinforce the structural strength of the connecting plate 4.

In order to improve the applicability of the calibration device, a reflective film 6 is arranged on an output shaft of a motor 11, a gap is formed between the reflective film 6 and a rotation center of the motor 11, a worker separates a rotation end of the instrument from a shell of the instrument, so that infrared rays emitted by an infrared speed measuring device of the instrument can irradiate on the reflective film 6, the motor 11 is operated, the reflective film 6 is driven to continuously cut the infrared rays, the instrument can obtain the rotation speed of the motor 11, the reflective film 6 can be attached to the end surface of the output shaft of the motor 11 according to actual requirements during manufacturing, in the embodiment, the reflective film 6 is attached to the peripheral side wall of the output shaft, an adapter 7 is fixed on a base 1 through bolts, the structure of the adapter 7 is the same as that of a clamping seat 2, a connecting seat 21 can be embedded into the adapter 7, and the length direction of the adapter 7 is perpendicular to the extension direction of the output shaft of the motor 11, a connecting plate 81 is fixed on the inner wall of the connecting seat 7 through a bolt, the lower side of the connecting seat 21 abuts against the upper side of the connecting plate 81, and the connecting plate 81 plays a role in supporting the connecting seat 21; the existence of linking up seat 7 and grip slipper 2 makes a motor 11 can detect two instruments simultaneously, and then has improved the device and to the detection efficiency of instrument, has further improved the device's suitability.

Preferably, in this embodiment, the motor 11 and the clamping assembly are both provided with two parts, so that the inspection efficiency of the instrument is further improved; other numbers of motors 11 and clamping assemblies may be provided at the time of manufacture, as desired.

The implementation principle of the rotating speed calibration device in the embodiment of the application is as follows: with the instrument embedding groove of stepping down 22 in, through expanding footpath end 37 extrusion spring 33, then in embedding holder 2 with connecting seat 21, then loosen the hand, butt end 36 is under the elasticity recovery effect of spring 33, support tightly in connecting seat 21, and order about connecting seat 21 and be close to towards motor 11, and then make the rotatory end of instrument support tightly in the output shaft of motor 11, operation motor 11, motor 11 drives the rotatory end rotation of instrument, and then make the instrument obtain the rotational speed of motor 11, carry out the judgement to whether the instrument can normally work through the data on the judgement instrument, simple easy operation, cooperation through the centre gripping subassembly is used, realize the centre gripping fixed action to the instrument, can effectively reduce manually operation's error.

In the process of detection, the staff also can take off the rotatory end of instrument, then with this instrument embedding connecting seat 21 in, then with this connecting seat 21 embedding linking seat 7, through the cooperation of reflective membrane 6, detect the instrument, improve this calibration device's suitability.

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

1. The utility model provides a rotational speed calibration device, includes base (1), and install in motor (11) of base (1) upside, its characterized in that: still include to carry out the centre gripping subassembly of centre gripping with the instrument, the centre gripping subassembly include grip slipper (2) to and can dismantle connect in connecting seat (21) on grip slipper (2), connecting seat (21) are equipped with along vertical direction and supply groove (22) of stepping down of instrument embedding.

2. A rotation speed calibration device according to claim 1, wherein: the clamping seat (2) comprises a bottom plate (12) and two side plates (13) fixedly connected to the upper ends of two opposite sides of the base (1), the connecting seat (21) is connected between the two side plates (13) in a sliding mode, and the clamping assembly further comprises a driving piece (3) used for driving the connecting seat (21) to approach towards the output shaft of the motor (11).

3. A rotation speed calibration device according to claim 2, wherein: base (1) upside is equipped with connecting plate (4), driving piece (3) are including wearing to locate first bolt (31), the cover of connecting plate (4) are located butt ring (32) of first bolt (31), order about butt ring (32) support tightly in connecting seat (21) deviate from spring (33) of one side of motor (11), and two threaded connection in first nut (34) of first bolt (31), first nut (34) butt respectively in the relative both sides of connecting plate (4), spring (33) cover is located first bolt (31), butt ring (32) are equipped with the confession along the horizontal direction the gliding hole of stepping down (35) of nut of first bolt (31).

4. A rotation speed calibration device according to claim 3, wherein: the abutting ring (32) comprises an abutting end (36) abutting against the connecting seat (21) and a diameter expanding end (37) fixedly connected to one end, deviating from the motor (11), of the abutting end (36).

5. A rotation speed calibration device according to claim 4, wherein: connecting plate (4) including contradict in horizontal end (41) of base (1) upside, and fixed connection in horizontal end (41) are close to vertical end (42) of motor (11), horizontal end (41) upside be equipped with contradict in strengthen seat (5) of vertical end (42), strengthen seat (5) and be connected with base (1) through second bolt (51).

6. A rotation speed calibration device according to claim 1, wherein: a reflective film (6) is arranged on an output shaft of the motor (11), and a gap is formed between the reflective film (6) and the rotation center of the motor (11).

7. A rotation speed calibration device according to claim 6, wherein: the reflection film (6) is fixedly connected to the peripheral side wall of the output shaft of the motor (11), and the upper side of the base (1) is fixedly connected with a connecting seat (7) for the connecting seat (21) to be embedded.

8. A rotation speed calibration device according to claim 1, wherein: the motor (11) and the clamping assembly are both provided with a plurality of clamping assemblies.