Anti-interference motor rotating speed detection device

Abstract

The utility model relates to the technical field of motor rotating speed detection, in particular to an anti-interference motor rotating speed detection device, which comprises a bottom plate, a mounting plate and a U-shaped mounting rack, and is characterized in that a motor main body with an output shaft penetrating to the left side direction of the U-shaped mounting rack is fixedly mounted at the middle end of the right side of the mounting plate; a code disc is fixedly installed on the outer surface of an output shaft of the motor body, an anti-interference protective cover is arranged at the left end of the top of the bottom plate, and a handle is fixedly installed at the middle end of the left side of the anti-interference protective cover. Through the effects of the anti-interference protective cover, the U-shaped mounting frame, the mounting plate and the code disc, the device has the advantage of anti-interference detection, and solves the problems that the rotation speed detection of the existing motor generally does not have the anti-interference detection capability, and the motor may suffer from various external interference signals in the rotation speed detection process, so that the detection precision is poor. And the accuracy and the reliability of a motor rotating speed measurement result are further influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor rotating speed detection technical field, concretely is a motor rotating speed detection device of anti -interference. BACKGROUND

[0002] Motor rotating speed is one of the key factors of the normal operation of equipment. Detecting motor rotating speed can timely find that the rotating speed is low or high, thereby repairing or replacing the equipment with problems, guaranteeing the normal operation of equipment, and motor rotating speed is closely related to the safety and stability of equipment. If the motor rotating speed is high, it will cause the equipment to operate excessively, which is easy to cause the damage of equipment or danger; if the motor rotating speed is low, the working efficiency of equipment will be affected, and even there is the risk of jamming. Therefore, detecting motor rotating speed can timely find these problems.

[0003] At present, the rotating speed detection of the existing motor usually does not have the ability of anti-interference detection, and the motor may be affected by external various interference signals in the rotating speed detection process, thereby affecting the accuracy and reliability of motor rotating speed measurement results. Therefore, we provide a motor rotating speed detection device of anti-interference. UTILITY MODEL CONTENT

[0004] The utility model discloses a motor rotating speed detection device of anti-interference has the advantages of anti-interference detection, solves the rotating speed detection of the existing motor usually does not have the ability of anti-interference detection, and the motor may be affected by external various interference signals in the rotating speed detection process, thereby affecting the accuracy and reliability of motor rotating speed measurement results.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a motor rotating speed detection device of anti-interference, including bottom plate and mounting plate and U-shaped mounting bracket, the right side of mounting plate is fixedly installed with the motor main part of output shaft and is penetrated to the left side direction of U-shaped mounting bracket, the outer surface of motor main part output shaft is fixedly installed with the code disc, the left end of bottom plate top is provided with the anti-interference protective cover, the left side of anti-interference protective cover is fixedly installed with the handle, the right end of anti-interference protective cover top is fixedly installed with the infrared speed meter of detection end and is located in the inside of anti-interference protective cover, and the detection end of infrared speed meter and code disc correspond.

[0006] Preferably, the U-shaped mounting bracket is fixedly installed on the left end of the top of the bottom plate, the front and rear ends of the U-shaped mounting bracket are provided with adjusting grooves, the upper and lower ends of the inner side of the adjusting grooves are provided with locking bolts, and the mounting plate is fixedly installed on the left side of the U-shaped mounting bracket through the locking bolts.

[0007] Preferably, the left end of the top of the bottom plate is fixedly connected with two fixed plates, and one side of the fixed plate is fixedly connected with a spring.

[0008] Preferably, the spring is fixedly connected with a movable plate at one end away from the fixed plate, and the movable plate is fixedly connected with a movable rod at a middle end near the spring, the movable rod sliding on the inner surface of the fixed plate.

[0009] Preferably, the anti-interference protective cover is provided with a guide sliding groove on each of the front and rear sides of the lower end of the inner cavity, and a positioning clamping groove is formed on one side of the inner left end of the guide sliding groove.

[0010] Preferably, the anti-interference protective cover is provided with an arc-shaped metal spring plate corresponding to the positioning clamping groove on each of the front and rear sides of the left end, and a push block sliding in the positioning clamping groove is arranged at the lower end of one side of the arc-shaped metal spring plate.

[0011] Preferably, the inner wall of the anti-interference protective cover is bonded with a thermal insulation layer, and the right end of the inner side of the anti-interference protective cover is symmetrically provided with two sealing plates.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a U-shaped mounting frame and a mounting plate are matched, the motor body is fixedly installed, the code disc is fixedly installed on the outer surface of the motor body output shaft, then the anti-interference protective cover is driven to the U-shaped mounting frame, and when the anti-interference protective cover moves to the outside of the U-shaped mounting frame and is attached, the detection end of the infrared speed measuring instrument is located above the code disc, the motor body output shaft can drive the code disc to rotate when the external controller opens the motor body to rotate, when the infrared light beam emitted by the infrared speed measuring instrument irradiates the rotating code disc surface, the object can reflect part of light, and the infrared speed measuring instrument can judge the motor speed data according to the change of the reflected light signal, and the motor speed data can be displayed on the display screen on the upper end of the infrared speed measuring instrument, which is convenient for people to view and use.

[0014] 2. The utility model discloses a adjusting groove and locking bolt are set up, can according to the different specifications of motor body, the height of mounting plate is quickly adjusted in the left side of U-shaped mounting frame, expands the application scope of this device. ACCURATE DRAWINGS

[0015] Fig. 1 It is the first view angle structure schematic drawing of the utility model;

[0016] Fig. 2 It is the second view angle sectional structure schematic drawing of the utility model;

[0017] Fig. 3 It is the explosion structure schematic drawing of the utility model;

[0018] Fig. 4The utility model discloses a cooperation structure schematic diagram of movable rod and push block.

[0019] In the figure: 1, bottom plate; 2, anti-interference shield; 3, handle; 4, arc metal spring piece; 5, motor main body; 6, infrared speedometer; 7, mounting plate; 8, locking bolt; 9, U-shaped mounting frame; 10, sealing plate; 11, code disc; 12, heat preservation layer; 13, adjusting groove; 14, movable plate; 15, push block; 16, positioning clamping groove; 17, guide sliding slot; 18, fixed plate; 19, movable rod; 20, spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the utility model.

[0021] In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more than two;The orientation or position relation indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is the orientation or position relation based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it is necessary to explain that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] The bottom plate 1, the anti-interference protective cover 2, the handle 3, the arc-shaped metal elastic sheet 4, the motor main body 5, the infrared speed detector 6, the mounting plate 7, the locking bolt 8, the U-shaped mounting rack 9, the sealing plate 10, the code disc 11, the heat preservation layer 12, the adjusting groove 13, the movable plate 14, the pushing block 15, the positioning clamping groove 16, the guide sliding groove 17, the fixing plate 18, the movable rod 19 and the spring 20 of the application are all general standard parts or parts known by those skilled in the art, and the structure and principle thereof can be known by the technical personnel through a technical manual or through a conventional experimental method.

[0024] Embodiment one

[0025] Please refer to Figs. 1-4 The utility model provides a kind of anti-interference motor speed detection device, as shown in the technical scheme of the utility model: anti-interference motor speed detection device, including bottom plate 1 and mounting plate 7 and U-shaped mounting rack 9, the right side of mounting plate 7 middle end is fixedly installed with the motor main body 5 of output shaft and is penetrated to the left side direction of U-shaped mounting rack 9, the outer surface of motor main body 5 output shaft is fixedly installed with code disc 11, the left end of bottom plate 1 top is provided with anti-interference protective cover 2, the middle end of anti-interference protective cover 2 left side is fixedly installed with handle 3, the right end of anti-interference protective cover 2 top is fixedly installed with the infrared speed detector 6 of detection end located in the inside of anti-interference protective cover 2, and the detection end of infrared speed detector 6 and code disc 11 correspond with each other.

[0026] The technical scheme: through the cooperation of U-shaped mounting rack 9 and mounting plate 7, after motor main body 5 is fixedly installed, code disc 11 is fixedly installed on the outer surface of motor main body 5 output shaft, then, anti-interference protective cover 2 is driven to U-shaped mounting rack 9 by handle 3, after anti-interference protective cover 2 moves to the outside of U-shaped mounting rack 9 and is attached, the detection end of infrared speed detector 6 can be located above code disc 11, avoids the detection end of infrared speed detector 6 to be influenced by different light of outside, then, when motor main body 5 rotates by external controller, the output shaft of motor main body 5 can drive code disc 11 to rotate synchronously, when the infrared light beam of infrared speed detector 6 is irradiated to the surface of rotating code disc 11, object will reflect a part of light, and infrared speed detector 6 can judge the speed data of motor according to the change of reflected light signal, and the speed data of motor can be displayed on the display screen of the upper end of infrared speed detector 6, which is convenient for people to view and use.

[0027] Embodiment two

[0028] On the basis of embodiment one, as shown in the utility model, Figs. 1-4 It is disclosed that U-shaped mounting rack 9 is fixedly installed on the left end of bottom plate 1 top, the front and rear ends of U-shaped mounting rack 9 are both provided with adjusting groove 13, the upper and lower ends of the inner side of adjusting groove 13 are both provided with locking bolt 8, and mounting plate 7 is fixedly installed on the left side of U-shaped mounting rack 9 by locking bolt 8.

[0029] The technical scheme: through adjusting the setting of the groove 13 and the locking bolt 8, the height of the mounting plate 7 located at the left side of the U-shaped mounting frame 9 can be quickly adjusted according to different specifications of the motor body 5, and the application range of the device is expanded.

[0030] Example three

[0031] On the basis of example one, the utility model discloses as shown in Figs. 1-4 The left end of the top of the bottom plate 1 is fixedly connected with two fixed plates 18, one side of the fixed plate 18 is fixedly connected with a spring 20, the end of the spring 20 away from the fixed plate 18 is fixedly connected with a movable plate 14, the bottom of which is in contact with the top of the bottom plate 1, the middle end of the side close to the spring 20 of the movable plate 14 is fixedly connected with a movable rod 19 sliding in the inner surface of the fixed plate 18, the front and back sides of the lower end of the inner cavity of the anti-interference protective cover 2 are both provided with a guide sliding groove 17 matched with the movable rod 19, one side of the inner left end of the guide sliding groove 17 is provided with a positioning clamping groove 16 matched with the movable rod 19, the front and back sides of the left end of the anti-interference protective cover 2 are both fixedly connected with an arc-shaped metal spring 4 corresponding to the positioning clamping groove 16, and the lower end of one side of the arc-shaped metal spring 4 is provided with a push block 15 sliding in the positioning clamping groove 16.

[0032] The technical scheme: through the setting of the guide sliding groove 17 and the movable rod 19, the anti-interference protective cover 2 can be limited when moving at the left end of the top of the bottom plate 1, when the anti-interference protective cover 2 is moved to the outside of the U-shaped mounting frame 9 and adheres, the spring 20 can drive the movable rod 19 to reset through the movable plate 14, one end of the reset movable rod 19 will be clamped into the positioning clamping groove 16, and thus the position limiting capacity of the moved anti-interference protective cover 2 can be achieved, when it is needed to open the anti-interference protective cover 2, the lower end of the arc-shaped metal spring 4 is pressed, the arc-shaped metal spring 4 deformed will drive the push block 15 in the positioning clamping groove 16 and push the movable rod 19 out of the positioning clamping groove 16, and thus the position limitation of the anti-interference protective cover 2 is cancelled, and under the cooperation of the movable rod 19 and the movable plate 14, the spring 20 will be stretched, then the anti-interference protective cover 2 is driven by the pull handle 3 to move left on the top of the bottom plate 1, and thus one end of the movable rod 19 will slide into the guide sliding groove 17, and the opening operation of the anti-interference protective cover 2 is facilitated.

[0033] Example four

[0034] On the basis of example one, the utility model discloses as shown in Figs. 1-4 The inner wall of the anti-interference protective cover 2 is bonded with a heat preservation layer 12, and the right end of the inner side of the anti-interference protective cover 2 is symmetrically provided with two sealing plates 10.

[0035] The technical scheme: through the setting of the heat preservation layer 12, the temperature change of the anti-interference protective cover 2 can be reduced, and the sealing performance of the anti-interference protective cover 2 can be ensured when the anti-interference protective cover 2 is used.

[0036] Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the scope of protection of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the present application.

Claims

1. An anti-interference motor rotating speed detection device, comprising a base plate (1), a mounting plate (7) and a U-shaped mounting frame (9), characterized in that: The middle end of the right side of the mounting plate (7) is fixedly installed with the motor body (5) penetrating to the left side direction of the U-shaped mounting bracket (9), the outer surface of the output shaft of the motor body (5) is fixedly installed with the code disc (11), the left end of the top of the bottom plate (1) is provided with the anti-interference protective cover (2), the middle end of the left side of the anti-interference protective cover (2) is fixedly installed with the handle (3), the right end of the top of the anti-interference protective cover (2) is fixedly installed with the infrared speed meter (6) with the detection end located in the anti-interference protective cover (2), and the detection end of the infrared speed meter (6) corresponds to the code disc (11) up and down.

2. The anti-interference motor rotating speed detection device according to claim 1, characterized in that: The U-shaped mounting bracket (9) is fixedly installed on the left end of the top of the bottom plate (1), the front and rear ends of the U-shaped mounting bracket (9) are both provided with the adjusting groove (13), the upper and lower ends of the inner side of the adjusting groove (13) are both provided with the locking bolt (8), and the mounting plate (7) is fixedly installed on the left side of the U-shaped mounting bracket (9) through the locking bolt (8).

3. The anti-interference motor rotating speed detection device according to claim 1, characterized in that: The left end of the top of the bottom plate (1) is fixedly connected with two fixed plates (18), one side of the fixed plate (18) is fixedly connected with the spring (20).

4. The anti-interference motor rotating speed detection device according to claim 3, characterized in that: The end of the spring (20) away from the fixed plate (18) is fixedly connected with the movable plate (14) with the bottom contacting the top of the bottom plate (1), and the middle end of the side close to the spring (20) of the movable plate (14) is fixedly connected with the movable rod (19) sliding on the inner surface of the fixed plate (18).

5. The anti-interference motor rotating speed detection device according to claim 1, characterized in that: The front and rear sides of the lower end of the inner cavity of the anti-interference protective cover (2) are both provided with the guide sliding groove (17) matched with the movable rod (19), and the inner left end of the guide sliding groove (17) is provided with the positioning clamping groove (16) matched with the movable rod (19).

6. The anti-interference motor rotating speed detection device according to claim 1, characterized in that: The left end of the anti-interference protective cover (2) is fixedly connected with the arc-shaped metal elastic sheet (4) corresponding to the positioning clamping groove (16), and the lower end of one side of the arc-shaped metal elastic sheet (4) is provided with the push block (15) sliding in the positioning clamping groove (16).

7. The anti-interference motor rotating speed detection device according to claim 1, characterized in that: The inner wall of the anti-interference protective cover (2) is bonded with the heat preservation layer (12), and the right end of the inner side of the anti-interference protective cover (2) is symmetrically provided with two sealing plates (10).

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