CN219348894U

CN219348894U - Handheld rotating speed measuring device

Info

Publication number: CN219348894U
Application number: CN202320501023.5U
Authority: CN
Inventors: 曹剑锋
Original assignee: Shaanxi Qintai Sunshine Power Engineering Co ltd
Current assignee: Shaanxi Qintai Sunshine Power Engineering Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-07-14
Anticipated expiration: 2033-03-15

Abstract

The utility model relates to the technical field of motor detection and discloses a handheld rotating speed measuring device which comprises a handle, wherein the upper part of the handle is fixedly connected with a shell, the middle part of the shell is rotationally connected with a rotating rod, the inside of the rotating rod is slidably connected with a movable rod, the inside of the rotating rod is fixedly connected with a spring, the other end of the spring is fixedly connected with the periphery of the movable rod, one end of the movable rod is fixedly connected with a fixed block, and one end of the rotating rod is externally and rotationally connected with a plurality of clamping jaws. According to the utility model, under the mutual cooperation of the structures of the rotating rod, the movable rod, the spring, the fixed block, the connecting rod, the clamping jaw and the like, the output end of the motor can be clamped, then the rotating rod can be driven to rotate when the motor works, then the number of the reflecting blocks passing through in unit time is detected through the laser rotating speed sensor, the operation is very convenient, the structure of the device is small, the device can be directly held, the device is convenient to carry, and the use is more convenient.

Description

Handheld rotating speed measuring device

Technical Field

The utility model relates to the technical field of motor detection, in particular to a handheld rotating speed measuring device.

Background

The motor is required to be connected with external detection equipment after the assembly is finished to drive the motor to rotate, thereby detect whether the motor is qualified, when detecting, it is usually with the motor with horizontal gesture centre gripping, then external rotating speed machine is in order to carry out work under its drive, and except that the equipment of motor is accomplished at the mill, still some maintenance works are after the maintenance has been accomplished the motor, also need measure the rotational speed of motor, and traditional rotating speed measuring device's size is great, very inconvenient when measuring the speed to the motor, adopt large-scale rotating speed machine to detect time and energy, and increased measuring cost, it is very inconvenient to use, for this reason propose a handheld rotating speed measuring device to solve above-mentioned problem.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a handheld rotating speed measuring device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a handheld rotational speed measuring device, includes the handle, handle upper portion fixedly connected with casing, the casing middle part rotates and is connected with the bull stick, the inside sliding connection of bull stick has movable rod, the inside fixedly connected with spring of bull stick, the other end fixedly connected with of spring is in movable rod periphery, movable rod one end fixedly connected with fixed block, bull stick one end outer turnover is connected with a plurality of clamping jaws, fixed block outer turnover is connected with a plurality of connecting rods, the other end rotation of connecting rod is connected at the clamping jaw middle part, casing one side fixedly connected with laser rotational speed sensor.

As a further description of the above technical solution:

the bull stick periphery fixedly connected with a plurality of reflector blocks, laser rotation speed sensor work end is towards the reflector block.

As a further description of the above technical solution:

and one side of the shell is fixedly connected with a lantern ring, and the laser rotation speed sensor and the reflecting block are arranged in the middle of the lantern ring.

As a further description of the above technical solution:

the handle is internally provided with a mounting hole, the mounting hole is internally provided with a battery box, and the battery box is electrically connected with the laser rotation speed sensor.

As a further description of the above technical solution:

the movable rod is kept away from the one end fixedly connected with lug of fixed block, the lug outer edge is provided with the fillet.

As a further description of the above technical solution:

one end of the clamping jaw, which is far away from the rotating rod, is fixedly connected with a gasket.

As a further description of the above technical solution:

the inside a plurality of spouts that are provided with of bull stick, movable rod periphery fixedly connected with a plurality of sliders, the slider sets up at the spout middle part.

The utility model has the following beneficial effects:

according to the utility model, under the mutual cooperation of the structures of the rotating rod, the movable rod, the spring, the fixed block, the connecting rod, the clamping jaw and the like, the output end of the motor can be clamped, then the rotating rod can be driven to rotate when the motor works, then the number of the reflecting blocks passing through in unit time is detected through the laser rotating speed sensor, the operation is very convenient, the structure of the device is small, the device can be directly held, the device is convenient to carry, and the use is more convenient.

Drawings

Fig. 1 is a schematic perspective view of a handheld rotational speed measuring device according to the present utility model;

FIG. 2 is a schematic diagram of a reflection block of a handheld rotational speed measuring device according to the present utility model;

FIG. 3 is an exploded view of a handheld rotational speed measuring device according to the present utility model;

fig. 4 is a schematic structural view of a clamping jaw of a handheld rotation speed measuring device according to the present utility model;

fig. 5 is an enlarged view at a in fig. 3.

Legend description:

1. a grip; 2. a housing; 3. a rotating rod; 4. a movable rod; 5. a spring; 6. a fixed block; 7. a connecting rod; 8. a clamping jaw; 9. a laser rotation speed sensor; 10. a reflection block; 11. a collar; 12. a mounting hole; 13. a battery case; 14. a bump; 15. a gasket; 16. a chute; 17. a sliding block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, one embodiment provided by the present utility model is: the utility model provides a handheld rotational speed measuring device, including grip 1, accessible grip 1 is direct to take the device, thereby be convenient for be connected with the output of motor, grip 1 upper portion fixedly connected with casing 2, casing 2 middle part rotates and is connected with bull stick 3 when measuring the speed to the motor, can drive bull stick 3 at casing 2 inside rotation, then can carry out the speed measurement through laser rotational speed sensor 9, the inside sliding connection of bull stick 3 has movable rod 4, the inside fixedly connected with spring 5 of bull stick 3, the other end fixedly connected with of spring 5 is in movable rod 4 periphery, movable rod 4 one end fixedly connected with fixed block 6, the outer turnover of bull stick 3 one end is connected with a plurality of clamping jaw 8, the outer turnover of fixed block 6 is connected with a plurality of connecting rods 7, connecting rod 7's the other end rotates and is connected at clamping jaw 8 middle part, when needs to measure the speed to the motor, only need press movable rod 4 to fixed block 6's direction, can make fixed block 6 drive connecting rod 7 outwards stretch out, under clamping jaw 8's effect, thereby make connecting rod 7 overturn, make at this moment, can be connected device and motor's output end, then carry out the measurement through laser rotational speed sensor 9 to the motor through the motor, can not know the rotational speed sensor 9, because the laser rotational speed sensor 9 is directly has the fixed end to the laser rotational speed sensor is directly to the measuring the rotational speed of motor, because the motor is measured 9, the rotational speed is difficult to be measured.

The periphery of the rotating rod 3 is fixedly connected with a plurality of reflecting blocks 10, the working end of the laser rotating speed sensor 9 faces the reflecting blocks 10, the reflecting blocks 10 are additionally arranged on the periphery of the rotating rod 3, so that when the rotating rod 3 rotates, the laser rotating speed sensor 9 can receive more reflected light signals, the laser rotating speed sensor 9 can accurately measure the rotating speed of a motor, a lantern ring 11 is fixedly connected to one side of the shell 2, the laser rotating speed sensor 9 and the reflecting blocks 10 are arranged in the middle of the lantern ring 11, the laser rotating speed sensor 9 and the reflecting blocks 10 are protected through the lantern ring 11, the laser rotating speed sensor 9 caused by falling of the device is prevented from being damaged, a mounting hole 12 is formed in the grip 1, a battery box 13 is arranged in the mounting hole 12, the battery box 13 is electrically connected with the laser rotating speed sensor 9, power is transmitted to the laser rotating speed sensor 9 through the battery box 13, thereby guarantee the normal work of laser rotation speed sensor 9, and then guarantee that the device can carry by a long distance, the one end fixedly connected with lug 14 of fixed block 6 is kept away from to movable rod 4, the lug 14 is outer along being provided with the fillet, be convenient for press movable rod 4, prevent simultaneously that movable rod 4 from the inside whereabouts of bull stick 3, the one end fixedly connected with gasket 15 of bull stick 3 is kept away from to clamping jaw 8, increase the friction between clamping jaw 8 and the motor output, make the centre gripping more firm, the bull stick 3 inside is provided with a plurality of spouts 16, a plurality of sliders 17 of movable rod 4 periphery fixedly connected with, slider 17 sets up at spout 16 middle part, restrict the position of movable rod 4 and bull stick 3 through spout 16 and slider 17, thereby make bull stick 3 rotate in step when can guarantee that the motor output drives movable rod 4 rotation.

Working principle: when the rotating speed of the motor needs to be measured, the movable rod 4 is pressed towards the direction of the fixed block 6, so that the clamping jaw 8 is unfolded under the action of the connecting rod 7, then the output end of the motor is placed between the clamping jaws 8, the movable rod 4 is loosened, under the action of the spring 5, the clamping jaw 8 is contracted again, so that the output end of the motor is clamped, then the motor is powered, the motor is enabled to work, the output end of the motor can drive the rotating rod 3 to rotate in the middle of the shell 2, under the action of the laser rotating speed sensor 9, the measurement of the rotating speed of the motor can be completed, the operation is simple, the use is more convenient, the structure is small, the motor is directly handheld, and the motor is convenient to carry.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A hand-held rotational speed measuring device comprising a grip (1), characterized in that: the novel mechanical hand is characterized in that the upper portion of the handle (1) is fixedly connected with the shell (2), the middle of the shell (2) is rotationally connected with the rotating rod (3), the movable rod (4) is connected to the rotating rod (3) in a sliding mode, the spring (5) is fixedly connected to the inner portion of the rotating rod (3), the other end of the spring (5) is fixedly connected to the periphery of the movable rod (4), the fixed block (6) is fixedly connected to one end of the movable rod (4), the plurality of clamping jaws (8) are rotationally connected to the outer portion of one end of the rotating rod (3), the plurality of connecting rods (7) are rotationally connected to the middle of the clamping jaws (8) in the other end of the connecting rods (7), and the laser rotation speed sensor (9) is fixedly connected to one side of the shell (2).

2. A hand-held rotational speed measuring device according to claim 1, wherein: the periphery of the rotating rod (3) is fixedly connected with a plurality of reflecting blocks (10), and the working end of the laser rotation speed sensor (9) faces the reflecting blocks (10).

3. A hand-held rotational speed measuring device according to claim 1, wherein: one side of the shell (2) is fixedly connected with a lantern ring (11), and the laser rotation speed sensor (9) and the reflecting block (10) are arranged in the middle of the lantern ring (11).

4. A hand-held rotational speed measuring device according to claim 1, wherein: the novel handle is characterized in that a mounting hole (12) is formed in the handle (1), a battery box (13) is arranged in the mounting hole (12), and the battery box (13) is electrically connected with the laser rotation speed sensor (9).

5. A hand-held rotational speed measuring device according to claim 1, wherein: one end of the movable rod (4) far away from the fixed block (6) is fixedly connected with a bump (14), and the outer edge of the bump (14) is provided with a round angle.

6. A hand-held rotational speed measuring device according to claim 1, wherein: one end of the clamping jaw (8) far away from the rotating rod (3) is fixedly connected with a gasket (15).

7. A hand-held rotational speed measuring device according to claim 1, wherein: the rotary rod (3) is internally provided with a plurality of sliding grooves (16), the periphery of the movable rod (4) is fixedly connected with a plurality of sliding blocks (17), and the sliding blocks (17) are arranged in the middle of the sliding grooves (16).