CN215768636U

CN215768636U - Motor rotating speed measuring instrument

Info

Publication number: CN215768636U
Application number: CN202121968712.4U
Authority: CN
Inventors: 涂志强; 谢航伟; 李海东
Original assignee: Xinhai Zhichuang Shenzhen Technology Co ltd
Current assignee: Xinhai Zhichuang Shenzhen Technology Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-02-08
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a motor rotating speed measuring instrument which comprises a measuring instrument body and a placing box, wherein a placing plate is arranged in an inner cavity of the placing box, slide rods are fixedly connected to the front side and the rear side of the bottom of the inner cavity of the placing box, a first spring is sleeved on the surface of each slide rod, a slide block is connected to the surface of each slide rod in a sliding mode, a buffer block is fixedly connected to the top of each slide block, and a pulley is fixedly connected to the bottom of the placing plate through a fixing rod. According to the utility model, through the cooperation of the measuring instrument body, the placing box, the placing plate, the sliding rod, the first spring, the sliding block, the buffer block, the pulley, the box cover, the driving motor, the first worm wheel, the second worm wheel, the heat dissipation fan, the temperature sensor and the heat dissipation through hole, the heat dissipation performance of the measuring instrument body can be effectively improved, the buffer performance of the measuring instrument body during transportation is improved, the measuring instrument body is prevented from being damaged, and the detection precision is improved.

Description

Motor rotating speed measuring instrument

Technical Field

The utility model relates to the technical field of measuring instruments, in particular to a motor rotating speed measuring instrument.

Background

The direct current motor rotating speed measuring instrument is particularly used for accurately measuring parameters such as rotating speed, voltage, current, power and the like of a direct current motor aiming at a high-rotating-speed motor, and has the advantages of high measuring speed, high precision, convenience in use, lightness, attractiveness and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a motor rotating speed measuring instrument which has the advantage of high detection precision and solves the problems that the existing measuring instrument is poor in heat dissipation effect, poor in buffering effect during transportation and easy to damage the measuring instrument, so that the measuring precision is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: the motor rotating speed measuring instrument comprises a measuring instrument body and a placing box, wherein a placing plate is arranged in an inner cavity of the placing box, a slide rod is fixedly connected to the front side and the rear side of the bottom of the inner cavity of the placing box, a first spring is sleeved on the surface of the slide rod, a slide block is connected to the surface of the slide rod in a sliding manner, a buffer block is fixedly connected to the top of the slide block, a pulley is fixedly connected to the bottom of the placing plate through a fixed rod, the top of the placing plate is in contact with the bottom of the measuring instrument body, a box cover is movably connected to the top of the placing box through a hinge, a driving motor is arranged on the right side of the top of the measuring instrument body, a first worm is fixedly connected to the output end of the driving motor, a first worm wheel is meshed to the surface of the first worm, a second worm is fixedly connected to the inner cavity of the first worm wheel, and a second worm wheel is meshed to the surface of the second worm, the inner chamber fixedly connected with heat dissipation fan of second worm wheel, the top of measuring apparatu body just is located driving motor's left side fixedly connected with temperature sensor, the heat dissipation through-hole has been seted up in the left side of measuring apparatu body.

Preferably, the two sides of the bottom of the inner cavity of the placing box are fixedly connected with positioning plates through positioning rods, the number of the sliding rods is two, and the number of the sliding blocks is four.

Preferably, place the equal fixedly connected with telescopic link in both sides at incasement chamber top, the surface cover of telescopic link is equipped with the second spring, the telescopic link is kept away from the one end fixedly connected with limiting plate of placing the case, the inner chamber of limiting plate is provided with spacing gyro wheel.

Preferably, one end of the first worm, which is far away from the driving motor, is movably connected with the measuring instrument body through a bearing, the top and the bottom of the second worm are both movably connected with the measuring instrument body through bearings, and one end of the heat dissipation fan is movably connected with the measuring instrument body through a bearing.

Preferably, the inner cavity of the heat dissipation through hole is provided with a dust screen, and the heat dissipation through hole is designed in an inclined manner.

Preferably, the cross section of the buffer block is trapezoidal, and the bottom of the pulley is in contact with the surface of the buffer block.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the cooperation of the measuring instrument body, the placing box, the placing plate, the sliding rod, the first spring, the sliding block, the buffer block, the pulley, the box cover, the driving motor, the first worm wheel, the second worm wheel, the heat dissipation fan, the temperature sensor and the heat dissipation through hole, the heat dissipation performance of the measuring instrument body can be effectively improved, the buffer performance of the measuring instrument body during transportation is improved, the measuring instrument body is prevented from being damaged, the detection precision is improved, and the problems that the existing measuring instrument is poor in heat dissipation effect, poor in buffer effect during transportation and easy to damage the measuring instrument, and the measuring accuracy is reduced are solved.

2. According to the utility model, the positioning plate is arranged, the buffer block can be limited, the pulley is prevented from being separated from the buffer block, the telescopic rod, the second spring, the limiting plate and the limiting roller are arranged, the two sides of the measuring instrument body can be limited and protected, and the dust screen is arranged, so that external dust can be prevented from entering the measuring instrument body.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the measuring instrument body according to the present invention;

fig. 3 is an enlarged view of the utility model at a in fig. 2.

In the figure: 1. a gauge body; 2. placing a box; 3. placing the plate; 4. a slide bar; 5. a first spring; 6. a slider; 7. a buffer block; 8. a pulley; 9. a box cover; 10. a motor; 11. a first worm; 12. a first worm gear; 13. a second worm; 14. a second worm gear; 15. a heat dissipation fan; 16. a temperature sensor; 17. a heat dissipating through hole; 18. positioning a plate; 19. a telescopic rod; 20. a second spring; 21. a limiting plate; 22. limiting the idler wheel; 23. a dust screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The components used in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.

Referring to fig. 1-3, the motor rotation speed measuring instrument comprises a measuring instrument body 1 and a placing box 2, wherein two sides of the bottom of an inner cavity of the placing box 2 are fixedly connected with positioning plates 18 through positioning rods, two slide rods 4 are provided, four slide blocks 6 are provided, two sides of the top of the inner cavity of the placing box 2 are fixedly connected with telescopic rods 19, a second spring 20 is sleeved on the surface of each telescopic rod 19, one end of each telescopic rod 19, which is far away from the placing box 2, is fixedly connected with a limiting plate 21, the inner cavity of each limiting plate 21 is provided with a limiting roller 22, the limiting plate 18 is arranged to limit the buffer block 7 and prevent the pulley 8 from being separated from the buffer block 7, the telescopic rods 19, the second spring 20, the limiting plates 21 and the limiting rollers 22 are arranged to limit and protect two sides of the measuring instrument body 1, and a dust screen 23 is arranged to prevent external dust from entering the measuring instrument body 1, a placing plate 3 is arranged in an inner cavity of a placing box 2, a slide rod 4 is fixedly connected to the front side and the rear side of the bottom of the inner cavity of the placing box 2, a first spring 5 is sleeved on the surface of the slide rod 4, a slide block 6 is connected to the surface of the slide rod 4 in a sliding manner, a buffer block 7 is fixedly connected to the top of the slide block 6, the cross section of the buffer block 7 is trapezoidal, the bottom of a pulley 8 is in contact with the surface of the buffer block 7, a pulley 8 is fixedly connected to the bottom of the placing plate 3 through a fixed rod, the top of the placing plate 3 is in contact with the bottom of a measuring instrument body 1, a box cover 9 is movably connected to the top of the placing box 2 through a hinge, a driving motor 10 is arranged on the right side of the top of the measuring instrument body 1, a first worm 11 is fixedly connected to an output end of the driving motor 10, one end of the first worm 11, which is far away from the driving motor 10, is movably connected with the measuring instrument body 1 through a bearing, and the top and the bottom of a second worm 13 are movably connected with the measuring instrument body 1 through a bearing, one end of a heat dissipation fan 15 is movably connected with the measuring instrument body 1 through a bearing, a first worm wheel 12 is meshed on the surface of the first worm 11, a second worm 13 is fixedly connected with the inner cavity of the first worm wheel 12, a second worm wheel 14 is meshed on the surface of the second worm 13, a heat dissipation fan 15 is fixedly connected with the inner cavity of the second worm wheel 14, a temperature sensor 16 is fixedly connected with the top of the measuring instrument body 1 and positioned on the left side of the driving motor 10, a heat dissipation through hole 17 is formed in the left side of the measuring instrument body 1, a dust screen 23 is arranged in the inner cavity of the heat dissipation through hole 17, the heat dissipation through hole 17 is designed in an inclined manner, and the measuring instrument body 1, the placing box 2, the placing plate 3, the sliding rod 4, the first spring 5, the sliding block 6, the buffer block 7, the pulley 8, the box cover 9, the driving motor 10, the first worm 11, the first worm wheel 12, the second worm 13, the second worm wheel 14, the heat dissipation fan 15, the temperature sensor 16 and the heat dissipation through hole 17 are matched, the heat dissipation performance of the measuring instrument body 1 can be effectively improved, the buffering performance of the measuring instrument body 1 during transportation is improved, the measuring instrument body 1 is prevented from being damaged, the detection precision is improved, and the problems that the existing measuring instrument is poor in heat dissipation effect, poor in buffering effect during transportation, easy to damage the measuring instrument and capable of reducing the measuring precision are solved.

During the use, temperature sensor 16 detects the inside temperature of measuring apparatu body 1, driving motor 10 starts when the temperature is higher than the default, driving motor 10 drives second worm 13 through first worm 11 and first worm wheel 12 and rotates, second worm 13 drives second worm wheel 14 and rotates, second worm wheel 14 drives heat dissipation fan 15 and rotates, heat dissipation fan 15 outwards discharges the inside hot-air of measuring apparatu body 1 fast, reach the mesh of rapid cooling, place measuring apparatu body 1 on placing board 3 after the use is accomplished, when vibrations appear in the removal process, place board 3 and produce pressure downwards, pulley 8 slides on the surface of buffer block 7, make buffer block 7 move to both sides, buffer block 7 decomposes the absorption of power under the effect of first spring 5, protection measuring apparatu body 1 does not receive the vibrations damage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Motor speed measuring apparatu, including measuring apparatu body (1) with place case (2), its characterized in that: the measuring instrument is characterized in that a placing plate (3) is arranged in an inner cavity of the placing box (2), a slide rod (4) is fixedly connected to the front side and the rear side of the bottom of the inner cavity of the placing box (2), a first spring (5) is sleeved on the surface of the slide rod (4), a slide block (6) is connected to the surface of the slide rod (4) in a sliding manner, a buffer block (7) is fixedly connected to the top of the slide block (6), a pulley (8) is fixedly connected to the bottom of the placing plate (3) through a fixed rod, the top of the placing plate (3) is in contact with the bottom of the measuring instrument body (1), a box cover (9) is movably connected to the top of the placing box (2) through a hinge, a driving motor (10) is arranged on the right side of the top of the measuring instrument body (1), a first worm (11) is fixedly connected to the output end of the driving motor (10), and a first worm wheel (12) is meshed to the surface of the first worm (11), the inner chamber fixedly connected with second worm (13) of first worm wheel (12), the surface meshing of second worm (13) has second worm wheel (14), the inner chamber fixedly connected with heat dissipation fan (15) of second worm wheel (14), the top of measuring apparatu body (1) just is located left side fixedly connected with temperature sensor (16) of driving motor (10), heat dissipation through-hole (17) have been seted up in the left side of measuring apparatu body (1).

2. The motor speed measuring instrument according to claim 1, wherein: the two sides of the bottom of the inner cavity of the placing box (2) are fixedly connected with positioning plates (18) through positioning rods, the number of the sliding rods (4) is two, and the number of the sliding blocks (6) is four.

3. The motor speed measuring instrument according to claim 1, wherein: place equal fixedly connected with telescopic link (19) in both sides at case (2) inner chamber top, the surface cover of telescopic link (19) is equipped with second spring (20), telescopic link (19) are kept away from one end fixedly connected with limiting plate (21) of placing case (2), the inner chamber of limiting plate (21) is provided with spacing gyro wheel (22).

4. The motor speed measuring instrument according to claim 1, wherein: the one end that driving motor (10) was kept away from in first worm (11) passes through bearing and measuring apparatu body (1) swing joint, the top and the bottom of second worm (13) all pass through bearing and measuring apparatu body (1) swing joint, the one end of heat dissipation fan (15) passes through bearing and measuring apparatu body (1) swing joint.

5. The motor speed measuring instrument according to claim 1, wherein: the inner cavity of the heat dissipation through hole (17) is provided with a dust screen (23), and the heat dissipation through hole (17) is designed in an inclined mode.

6. The motor speed measuring instrument according to claim 1, wherein: the cross section of the buffer block (7) is trapezoidal, and the bottom of the pulley (8) is in contact with the surface of the buffer block (7).