Cotton picker packing motor rotating speed sensor

Abstract

The utility model discloses a rotating speed sensor for a packing motor of a cotton picker, which comprises a motor body, an output shaft is led out from the motor body, a shielding cover is sleeved outside the output shaft, an electrostatic generator is fixed on the outer side wall of the shielding cover, dust collecting plates are fixed on two side walls in the shielding cover, and a dust collecting plate is fixed on the dust collecting plates. And a collecting drawer is mounted below the dust collecting plate. The beneficial effects of the utility model lie in that through the arrangement of the electrostatic generator and the dust collection plates, in the process of detecting the rotating speed of the motor body, the electrostatic generator can generate a high-voltage electric field between the dust collection plates, so that tiny cotton fibers floating in the shielding case are directionally collected under the action of electrostatic adsorption; the influence on the detection performance caused by the attachment of the light-reflecting patch and the surface of the rotating speed detector is avoided, and the detection precision of the device is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rotating speed sensor technical field, concretely relates to a cotton picker packing motor rotating speed sensor. BACKGROUND

[0002] Rotating speed sensor is the sensor that the rotating speed of rotating object is converted into electric quantity output. Rotating speed sensor belongs to indirect type, can be manufactured with mechanical, electrical, magnetic, light and hybrid type method, and needs to detect the rotating speed of motor through rotating speed sensor in the packing process of cotton picker.

[0003] The existing cotton picker packing motor rotating speed sensor is detected through setting the reflecting patch on the output shaft of motor and the detector arranged on its one side in the use process, the detector can detect the reflecting patch once every time the output shaft rotates a circle, and the rotating speed of motor is detected through calculating the number of detections, the above-mentioned mode causes the working environment of motor to float a large number of fine cotton in the detection process, and the cotton enters the shielding cover and adheres to the surface of detector and reflecting patch, thereby affecting the detection performance, leading to the inaccuracy of detection result, therefore, the cotton picker packing motor rotating speed sensor is urgently needed to solve the above-mentioned problem. UTILITARIAN CONTENT

[0004] (I) technical problem to be solved

[0005] The utility model wants to solve the technical problem in the prior art, and provides a cotton picker packing motor rotating speed sensor which can directionally adsorb and collect fine cotton in a shielding cover, guarantee the detection performance and detection precision of the sensor, and has good use effect.

[0006] (II) technical scheme

[0007] The utility model discloses a cotton picker packing motor rotating speed sensor, including motor body, the output shaft is led out on the motor body, the output shaft outside is equipped with the shielding cover, the shielding cover outside wall is fixed with static generator, both side walls in the shielding cover are fixed with dust collecting plate, and the dust collecting plate below is installed with the collection drawer.

[0008] Further, the output shaft penetrates the shielding cover, and the static generator is fixed on the shielding cover outside wall through bolt.

[0009] Through adopting the above technical scheme, the shielding cover can hide and protect the reflecting patch and the rotating speed detector.

[0010] Further, the dust collecting plate is electrically connected with the electrostatic generator, the dust collecting plate is fixed on the inner wall of the shielding cover by screws, and the collecting drawer is slidingly connected with the shielding cover.

[0011] By adopting the above technical scheme, in the process of detecting the rotating speed of the motor body, the electrostatic generator can generate a high-voltage electric field between the dust collecting plates, and then the fine lint floating in the shielding cover is collected in a directional manner under the action of electrostatic adsorption, so that the detection performance of the reflective patch and the rotating speed detector is not affected by the attachment of the fine lint, the detection accuracy of the device is ensured, and when the device is idle, the electrostatic generator stops working, and at this time, the lint collected on the dust collecting plate falls into the collecting drawer by gravity.

[0012] Further, the output shaft side wall is fixed with a reflective patch, and the reflective patch is an arc structure.

[0013] By adopting the above technical scheme, in the process of rotating the output shaft, the reflective patch rotates with the output shaft.

[0014] Further, a rotating speed detector is installed above the reflective patch, and a connecting line is led out from one side wall of the rotating speed detector and penetrates through the top wall of the shielding cover.

[0015] By adopting the above technical scheme, one end of the connecting line is connected with a digital display, and in the detection process, the rotating speed detector can detect the reflective patch once every time the output shaft rotates one circle, and then the rotating speed of the motor body can be detected by counting the number of detections.

[0016] Further, a damping rod is installed on the inner wall of the shielding cover, and a spring is welded on the outer side of the damping rod.

[0017] By adopting the above technical scheme, the damping rod and the spring can provide shock absorption protection for the rotating speed detector.

[0018] Further, a bearing plate is installed on the movable end of the damping rod, and the rotating speed detector is installed on the bearing plate by screws.

[0019] By adopting the above technical scheme, the bearing plate provides an installation position for the rotating speed detector.

[0020] (Three) beneficial effects

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] In order to solve the existing cotton picking machine packaging motor speed sensor in the process of use is through the setting of the reflective patch on the output shaft of the motor and through the detector arranged on one side to detect, the output shaft every turn, the detector can detect the reflective patch once, through the calculation of the number of detections to realize the detection of the motor speed, the above-mentioned mode in the detection process, because the cotton is picked, and then the working environment of the motor will float a large amount of fine cotton, and the cotton will enter the shield cover and adhere to the surface of the detector and the reflective patch, and then the detection performance is affected, resulting in the problem of inaccurate detection result, the utility model discloses a static generator and dust collecting plate are arranged, in the process of detecting the speed of the motor body, the static generator can generate high voltage electric field between the dust collecting plate, and then the fine cotton floating in the shield cover is collected under the action of electrostatic adsorption, so that the detection performance is not affected by the fine cotton adhered to the surface of the reflective patch and the speed detector, and the detection accuracy of the device is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structure diagram of the cotton picking machine packaging motor speed sensor of the utility model;

[0024] Figure 2 It is the internal structure diagram of the shield cover in the cotton picking machine packaging motor speed sensor of the utility model;

[0025] Figure 3 It is the cotton picking machine packaging motor speed sensor in the utility model; Figure 2 The enlarged view of A in the middle.

[0026] The signs in the drawings are explained as follows:

[0027] 1, motor body; 2, output shaft; 3, shield cover; 4, connecting line; 5, static generator; 6, collection drawer; 7, dust collecting plate; 8, reflective patch; 9, speed detector; 10, damping rod; 11, spring; 12, bearing plate. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0029] As Figures 1-3As shown in the figure, the cotton picker packaging motor speed sensor in the embodiment comprises a motor body 1, an output shaft 2 is led out of the motor body 1, a shielding cover 3 is sleeved outside the output shaft 2, the shielding cover 3 can hide and protect the reflective patch 8 and the speed detector 9, an electrostatic generator 5 is fixed on the outer side wall of the shielding cover 3, dust collecting plates 7 are fixed on both side walls in the shielding cover 3, and a collection drawer 6 is installed below the dust collecting plates 7. During the speed detection of the motor body 1, the electrostatic generator 5 can generate a high-voltage electric field between the dust collecting plates 7, so as to collect the tiny cotton fibers floating in the shielding cover 3 in a directional manner under the action of electrostatic adsorption, avoid the tiny cotton fibers from adhering to the surface of the reflective patch 8 and the speed detector 9 to affect the detection performance thereof, ensure the detection accuracy of the device, and when the device is idle, the electrostatic generator 5 stops working, and at this time, the cotton fibers collected on the dust collecting plates 7 fall into the collection drawer 6 by their own gravity.

[0030] As shown in the figure, Figures 1-3 In the embodiment, the output shaft 2 penetrates the shielding cover 3, the electrostatic generator 5 is fixed on the outer side wall of the shielding cover 3 by bolts, the dust collecting plates 7 are electrically connected with the electrostatic generator 5, the dust collecting plates 7 are fixed on the inner wall of the shielding cover 3 by screws, the collection drawer 6 is slidingly connected with the shielding cover 3, the reflective patch 8 is fixed on one side wall of the output shaft 2, and the reflective patch 8 is of an arc-shaped structure and rotates with the output shaft 2 during the rotation of the output shaft 2.

[0031] As shown in the figure, Figures 1-3 In the embodiment, the speed detector 9 is installed above the reflective patch 8, a connecting line 4 is led out of one side wall of the speed detector 9, the connecting line 4 penetrates the top wall of the shielding cover 3, one end of the connecting line 4 is connected with a digital display, during the detection, the speed detector 9 can detect the reflective patch 8 once every time the output shaft 2 rotates one circle, and then the number of detections is calculated to detect the speed of the motor body 1, a damping rod 10 is installed on the inner wall of the shielding cover 3, springs 11 are welded outside the damping rod 10, the damping rod 10 and the springs 11 in combination can shock-absorb and protect the speed detector 9, a bearing plate 12 is installed on the movable end of the damping rod 10, and the speed detector 9 is installed on the bearing plate 12 by screws. The bearing plate 12 provides an installation position for the speed detector 9.

[0032] The specific implementation process of the embodiment is as follows: in use, the device is installed and connected with an external power supply mechanism, the motor body 1 drives the output shaft 2 to rotate, the reflective patch 8 rotates in the rotating process of the output shaft 2, and the rotation speed detector 9 can detect the reflective patch 8 once every rotation of the output shaft 2, and then the rotation speed of the motor body 1 can be detected by calculating the number of detections, in the detection process, the damping rod 10 and the spring 11 are combined to protect the rotation speed detector 9, the electrostatic generator 5 can generate a high-voltage electric field between the dust collection plates 7, and then the micro-fibers floating in the shielding cover 3 are collected in a directional manner under the action of electrostatic adsorption, so that the micro-fibers are prevented from adhering to the surface of the reflective patch 8 and the rotation speed detector 9 and affecting the detection performance, and the detection accuracy of the device is ensured.

[0033] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A cotton picker bale motor speed sensor, characterized by: The utility model relates to a motor with dust collecting function, including motor body (1), the output shaft (2) is led out on the motor body (1), the output shaft (2) outside is equipped with the shield cover (3), the static generator (5) is fixed on the shield cover (3) outer side wall, the dust collecting plate (7) is fixed on the both sides wall in the shield cover (3), the collection drawer (6) is installed below the dust collecting plate (7).

2. A cotton picker pack motor speed sensor as claimed in claim 1 wherein: The output shaft (2) penetrates the shield cover (3), the static generator (5) is fixed on the shield cover (3) outer side wall by bolt.

3. A cotton picker pack motor speed sensor as claimed in claim 2 wherein: The dust collecting plate (7) is electrically connected with the static generator (5), the dust collecting plate (7) is fixed on the shield cover (3) inner wall by screw, the collection drawer (6) is slidably connected with the shield cover (3).

4. A cotton picker pack motor speed sensor as in claim 1 wherein: The output shaft (2) one side wall is fixed with the light reflecting patch (8), the light reflecting patch (8) is arc structure.

5. A cotton picker pack motor speed sensor as claimed in claim 4 wherein: The speed detector (9) is installed above the light reflecting patch (8), the connecting line (4) is led out on the speed detector (9) one side wall, the connecting line (4) penetrates the shield cover (3) top wall.

6. A cotton picker pack motor speed sensor as claimed in claim 5 wherein: The damping rod (10) is installed on the shield cover (3) inner wall, the spring (11) is welded on the damping rod (10) outside.

7. A cotton picker pack motor speed sensor as claimed in claim 6 wherein: The load plate (12) is installed on the movable end of the damping rod (10), the speed detector (9) is installed on the load plate (12) by screw.

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