CN220271354U - Compact rotating speed detection structure of axial plunger motor - Google Patents
Compact rotating speed detection structure of axial plunger motor Download PDFInfo
- Publication number
- CN220271354U CN220271354U CN202321795604.0U CN202321795604U CN220271354U CN 220271354 U CN220271354 U CN 220271354U CN 202321795604 U CN202321795604 U CN 202321795604U CN 220271354 U CN220271354 U CN 220271354U
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- rotating speed
- axial plunger
- rotor
- plunger motor
- shell
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- 238000001514 detection method Methods 0.000 title abstract description 7
- 239000000523 sample Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 9
- 230000008859 change Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000012806 monitoring device Methods 0.000 description 2
- 230000004584 weight gain Effects 0.000 description 2
- 235000019786 weight gain Nutrition 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- Hydraulic Motors (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a compact rotating speed detection structure of an axial plunger motor, which comprises a shell (1), wherein an axial plunger motor main body (6) and a rotor (3) are arranged in the shell (1), rotating speed sensors (2) which are radially distributed are arranged on the shell (1), and a plurality of tooth grooves (5) are uniformly distributed on the outer diameter surface of the rotor (3). The utility model has the characteristics of simple structure, small occupied space, light weight and convenient installation.
Description
Technical Field
The utility model relates to a plunger motor rotating speed monitoring device, in particular to a compact rotating speed detecting structure of an axial plunger motor.
Background
The axial plunger motor is a common executive component in a hydraulic transmission system, has the characteristics of compact structure, small radial size, light weight, quick dynamic response, wide speed regulation range and the like, and is widely applied to high-rotating-speed and high-precision hydraulic control systems of engineering machinery, agricultural machinery, aerospace, all-terrain vehicles and the like. The motor speed directly affects the accuracy of the action of the host machine executing mechanism, so that the motor speed needs to be monitored in real time to be fed back to the control system for closed-loop control. However, because the limit of axial plunger motor space structure makes its rotational speed's monitoring comparatively difficult, current monitoring structure is generally with rotational speed sensor installation in the casing, and the rotor increases the ring gear part, realizes the collection of rotational speed signal, but this structure can lead to the product weight increase by a wide margin because of increasing the radial size of ring gear part and casing increase, is unfavorable for subtracting heavy and space layout, receives the restriction of host installation space easily, and space layout is very limited when especially being used as fan motor in closed system or aerospace. Therefore, the design of the compact rotating speed monitoring device of the axial plunger motor, which has the advantages of simple structure, small occupied space, light weight and convenient installation, has important significance.
Disclosure of Invention
The utility model aims to provide a compact rotating speed detection structure of an axial plunger motor. The utility model has the characteristics of simple structure, small occupied space, light weight and convenient installation.
The technical scheme of the utility model is as follows: the utility model provides an axial plunger motor compact rotational speed detects structure, includes the casing, is equipped with axial plunger motor main part and rotor, its characterized in that in the casing: the shell is provided with radial rotation speed sensors, and a plurality of tooth grooves are uniformly distributed on the outer diameter surface of the rotor.
In the compact rotating speed detecting structure of the axial plunger motor, the number of tooth grooves is 9.
In the compact rotating speed detection structure of the axial plunger motor, the radial holes corresponding to the rotor positions are formed in the shell, the rotating speed sensor is arranged in the radial holes, and the probes of the rotating speed sensor are exposed out of the radial holes.
Compared with the prior art, the utility model has the advantages that the tooth grooves are processed on the rotor, the rotating speed sensor is arranged on the radial direction of the shell body to monitor the rotating speed of the motor, the mode that the tooth grooves are processed between the rotor plunger holes to replace the traditional gear ring function is adopted, the weight of the rotor is reduced, meanwhile, the rotor can be used as the tooth groove sensing rotating speed sensor to send out rotating speed signals, the occupied space is small, the installation is convenient, and the motor rotating speed can be monitored on the basis of ensuring the compact structure and the weight reduction of the motor. The utility model can be widely used in all hydraulic systems which are provided with axial plunger motors and need speed feedback in various fields of engineering machinery, agricultural machinery, aerospace, all-terrain vehicles and the like, can monitor the motor rotation speed in real time on the basis of ensuring the compact structure of the axial plunger motors and minimizing the weight gain, and has the advantages of simple structure, small change of the original motor structure, small occupied space, minimized weight gain, no limitation of the installation space of a main machine, convenient installation, high maintainability and the like.
In conclusion, the utility model has the characteristics of simple structure, small occupied space, light weight and convenient installation.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a structural view of the rotor.
The marks in the drawings are: 1-shell, 2-rotation speed sensor, 3-rotor, 4-radial hole, 5-tooth slot and 6-axial plunger motor main body.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.
Examples. The compact rotating speed detection structure of the axial plunger motor is shown in fig. 1-2, and comprises a shell 1, wherein an axial plunger motor main body 6 and a rotor 3 are arranged in the shell 1, and the compact rotating speed detection structure is characterized in that: the shell 1 is provided with rotating speed sensors 2 which are distributed radially, and a plurality of tooth grooves 5 are uniformly distributed on the outer diameter surface of the rotor 3.
Nine tooth grooves are processed on the outer diameter surface of the rotor at the side contacted with the plunger hole, and a rotating speed sensor is arranged in the radial direction of the shell, and when the motor rotates, the rotating speed sensor detects the rotation of the rotor so as to measure the real-time rotating speed of the motor.
The shell 1 is provided with a radial hole 4 corresponding to the position of the rotor 3, the rotating speed sensor 2 is arranged in the radial hole 4, and a probe of the rotating speed sensor 2 is exposed out of the radial hole 4.
When the hydraulic system works, the axial plunger motor starts to rotate under the action of hydraulic oil, nine teeth are uniformly distributed on the rotor 3, the rotation of the rotor 3 can cause the periodic change of the magnetic field at the probe position of the rotating speed sensor 2, and the rotating speed sensor 2 converts the change rate of the magnetic field into a rotating speed signal to be fed back to the control system, so that the real-time monitoring of the axial plunger motor is realized.
Claims (3)
1. The utility model provides an axial plunger motor compact rotational speed detects structure, includes casing (1), is equipped with axial plunger motor main part (6) and rotor (3) in casing (1), its characterized in that: the shell (1) is provided with rotating speed sensors (2) which are distributed radially, and a plurality of tooth grooves (5) are uniformly distributed on the outer diameter surface of the rotor (3).
2. The compact rotational speed sensing structure of an axial plunger motor of claim 1, wherein: the number of the tooth grooves (5) is 9.
3. The compact rotational speed sensing structure of an axial plunger motor of claim 1, wherein: the shell (1) is provided with radial holes (4) corresponding to the rotor (3), the rotating speed sensor (2) is arranged in the radial holes (4), and the probe of the rotating speed sensor (2) is exposed out of the radial holes (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321795604.0U CN220271354U (en) | 2023-07-10 | 2023-07-10 | Compact rotating speed detection structure of axial plunger motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321795604.0U CN220271354U (en) | 2023-07-10 | 2023-07-10 | Compact rotating speed detection structure of axial plunger motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220271354U true CN220271354U (en) | 2023-12-29 |
Family
ID=89315522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321795604.0U Active CN220271354U (en) | 2023-07-10 | 2023-07-10 | Compact rotating speed detection structure of axial plunger motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220271354U (en) |
-
2023
- 2023-07-10 CN CN202321795604.0U patent/CN220271354U/en active Active
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