Speed measuring device for series excited motor

Abstract

The utility model discloses a speed measuring device for a series excited motor, which comprises a fixed mounting seat, a stable connecting pad is fixed at the bottom of the fixed mounting seat, and a speed measuring device main body is mounted at the top of the fixed mounting seat. According to the utility model, through the arrangement of the adjusting mechanism for speed measurement, when the speed measurement of the series motor is carried out, the installation head for speed measurement and the speed measurement connector can rapidly connect series motors of different sizes, and after the connection, the speed measurement operation can be carried out on the series motor, thereby facilitating the rapid installation and connection of the series motor when the speed measurement is carried out. The operation of a user is facilitated, and the efficiency in the speed measurement process of the series excited motor is improved; through the arrangement of the stabilizing mechanism, after the installation connecting seat moves to a proper position, the position of the installation connecting seat can be conveniently fixed after the position of the installation connecting seat is adjusted, an auxiliary reinforcing effect is achieved, and it is ensured that the speed measurement process of the series excited motor is kept stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to speed measuring device technical field especially relates to a kind of for series excited motor's speed measuring device. BACKGROUND

[0002] Series excited motor is widely applied in electric tool, kitchen appliance, floor care product field due to adjustable range of wide rotational speed, large starting torque, the characteristics of low cost, corresponding speed measuring device can be used when series excited motor carries out speed measurement, the measurement of rotational speed is measured using the method of magneto code disc, each magneto code disc has 60 teeth, shaft drives magneto code disc to generate 60 pulses per revolution, when high speed or medium speed sampling, frequency measurement method can be used, when low speed sampling, the method of measuring period can be used to measure accurate rotational speed.

[0003] As the Chinese patent with the application number of 202221999808.1, a kind of series excited motor's speed measuring device and series excited motor, include: speed detection unit, radial magnetic ring and connecting seat;The connecting seat has a clamping portion and a fixed part, the speed detection unit is connected with the clamping portion;The radial magnetic ring is used to connect the rotating shaft of the series excited motor, the fixed part is used to connect the series excited motor, and the speed detection unit is opposite to the radial magnetic ring.This utility model presents series excited motor, by setting speed detection unit and radial magnetic ring, can carry out the measurement and speed control of series excited motor rotational speed, to achieve the constant speed operation of series excited motor further.

[0004] However, the speed measuring device in the above-mentioned in use, it is not easy to place installation when measuring the speed of different size series excited motor, affect the efficiency of speed measuring process.Therefore, the skilled person in the art provides a kind of for series excited motor's speed measuring device to solve the problems raised in the above background. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art and provides a kind of for series excited motor's speed measuring device.

[0006] To achieve the above object, the utility model adopts the following technical scheme: a kind of for series excited motor's speed measuring device, including fixed mounting seat, the bottom of the fixed mounting seat is fixed with stable connection pad, the top of the fixed mounting seat is installed with speed measuring device main body, one side of the speed measuring device main body is provided with speed measuring connector, the top of the fixed mounting seat is installed with speed measuring adjusting mechanism, the outer side of the speed measuring adjusting mechanism is connected with stabilizing mechanism;

[0007] The speed measurement adjusting mechanism comprises a first support plate, one side of the first support plate is fixed with a servo motor, the output shaft of the servo motor is fixed with a self-locking ball screw outside, the top of the fixed mounting seat is fixed with a second support plate, the outside of the self-locking ball screw is threadedly connected with a self-locking ball nut, one side of the self-locking ball nut is fixed with a moving bracket.

[0008] As a further description of the above technical solution:

[0009] One side of the moving bracket is fixed with a mounting connecting seat, one side of the mounting connecting seat is fixed with a speed measurement mounting head.

[0010] By adopting the above technical solution, the mounting connecting seat and the speed measurement mounting head can be moved simultaneously when the moving bracket is moved.

[0011] As a further description of the above technical solution:

[0012] The bottom of the mounting connecting seat is fixed with a guide movable sleeve, and the top of the fixed mounting seat is provided with a guide rail.

[0013] By adopting the above technical solution, the guide movable sleeve can slide outside the guide rail, and the guiding effect is achieved.

[0014] As a further description of the above technical solution:

[0015] The first support plate and the fixed mounting seat are fixedly connected, and the self-locking ball screw and the second support plate are connected through a bearing.

[0016] By adopting the above technical solution, the overall installation stability of the device can be ensured.

[0017] As a further description of the above technical solution:

[0018] The first support plate is internally provided with a through hole, and the size of the through hole is matched with the size of the self-locking ball screw.

[0019] By adopting the above technical solution, the self-locking ball screw can be normally rotated.

[0020] As a further description of the above technical solution:

[0021] The stabilizing mechanism comprises a fixed mounting pad, the bottom of the fixed mounting pad is connected with a supporting spring, the bottom of the supporting spring is connected with a movable plate, the top of the movable plate is fixed with a positioning mounting block, and the top of the movable plate is fixed with a cast iron threaded column.

[0022] As a further description of the above technical solution:

[0023] The top of the cast iron threaded column is fixed with an anti-skid handle pad, and the outer side of the cast iron threaded column is threadedly connected with a cast iron threaded sleeve.

[0024] By adopting the above technical scheme, the cast iron threaded sleeve plays a role of limiting the cast iron threaded column.

[0025] As a further description of the above technical scheme:

[0026] The inside of the fixed mounting pad is provided with a through hole, and the size of the through hole is matched with the size of the cast iron threaded column.

[0027] By adopting the above technical scheme, the cast iron threaded column can drive the movable plate to move up and down.

[0028] The utility model has the advantages of:

[0029] 1. Compared with the prior art, the speed measuring device for the series excited motor can quickly connect the speed measuring mounting head and the speed measuring connecting head to series excited motors of different sizes when measuring the speed of the series excited motor, and can measure the speed of the series excited motor after connection, which is beneficial to the quick installation and connection of the series excited motor during speed measurement, is beneficial to the operation of the user, and improves the efficiency during the speed measurement of the series excited motor.

[0030] 2. Compared with the prior art, the speed measuring device for the series excited motor can conveniently fix the position of the installation connecting seat after position adjustment when the installation connecting seat is moved to a suitable position, plays an auxiliary reinforcing role, and ensures the stability of the speed measurement process of the series excited motor. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 A perspective view of a speed measuring device for a series excited motor is provided for the utility model;

[0032] Figure 2 Another angle structure schematic view of a speed measuring device for a series excited motor is provided for the utility model;

[0033] Figure 3 A speed measuring adjusting mechanism structure schematic view of a speed measuring device for a series excited motor is provided for the utility model;

[0034] Figure 4 A stability mechanism structure schematic view of a speed measuring device for a series excited motor is provided for the utility model.

[0035] LEGEND:

[0036] 1, fixed mounting seat; 2, stable connecting pad; 3, speed measuring device main body; 4, speed measuring connector; 5, speed measuring adjusting mechanism; 51, first support plate; 52, servo motor; 53, self-locking ball screw; 54, second support plate; 55, self-locking ball nut; 56, moving bracket; 57, mounting connecting seat; 58, speed measuring mounting head; 59, guide rail; 510, guide movable sleeve; 6, stabilizing mechanism; 61, fixed mounting pad; 62, supporting spring; 63, movable plate; 64, positioning mounting block; 65, cast iron threaded column; 66, anti-skid handle pad; 67, cast iron threaded sleeve. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the utility model will be clearly 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, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0038] Referring to Figures 1-4 The utility model provides a kind of speed measuring device for series excited motor: including fixed mounting seat 1, the bottom of fixed mounting seat 1 is fixed with stable connecting pad 2, the top of fixed mounting seat 1 is installed with speed measuring device main body 3, one side of speed measuring device main body 3 is provided with speed measuring connector 4, the top of fixed mounting seat 1 is installed with speed measuring adjusting mechanism 5, the outside of speed measuring adjusting mechanism 5 is connected with stabilizing mechanism 6;

[0039] Speed measuring adjusting mechanism 5 includes first support plate 51, one side of first support plate 51 is fixed with servo motor 52, the output shaft outside of servo motor 52 is fixed with self-locking ball screw 53, the inside of first support plate 51 is provided with through hole, the size of this through hole is adapted to the size of self-locking ball screw 53, the top of fixed mounting seat 1 is fixed with second support plate 54, the outside of self-locking ball screw 53 is threadedly connected with self-locking ball nut 55, one side of self-locking ball nut 55 is fixed with moving bracket 56, first support plate 51 and fixed mounting seat 1 are fixedly connected, self-locking ball screw 53 and second support plate 54 are connected by bearing, one side of moving bracket 56 is fixed with mounting connecting seat 57, one side of mounting connecting seat 57 is fixed with speed measuring mounting head 58, can let moving bracket 56 drive mounting connecting seat 57 and speed measuring mounting head 58 move simultaneously when being active, the bottom of mounting connecting seat 57 is fixed with guide movable sleeve 510, the top of fixed mounting seat 1 is installed with guide rail 59, can let guide movable sleeve 510 slide outside guide rail 59, play the role of guiding;

[0040] The stabilizing mechanism 6 comprises a fixed mounting pad 61, the bottom of the fixed mounting pad 61 is connected with a supporting spring 62, the bottom of the supporting spring 62 is connected with a movable plate 63, the top of the movable plate 63 is fixedly connected with a positioning mounting block 64, the top of the movable plate 63 is fixedly connected with a cast iron threaded column 65, the top of the cast iron threaded column 65 is fixedly connected with an anti-skid handle pad 66, the outer side of the cast iron threaded column 65 is threadedly connected with a cast iron threaded sleeve 67, the cast iron threaded sleeve 67 plays a role of limiting the cast iron threaded column 65, and a through hole is formed in the inside of the fixed mounting pad 61, the size of the through hole is matched with the size of the cast iron threaded column 65, so that the cast iron threaded column 65 can drive the movable plate 63 to move up and down.

[0041] Working principle: when the speed of the series excited motor is measured, the series excited motor can be placed between the speed measurement connecting head 4 and the installation head 58 for speed measurement, and then the servo motor 52 is started, the output shaft of the servo motor 52 drives the self-locking ball screw 53 to rotate, the self-locking ball nut 55 outside the self-locking ball screw 53 drives the moving bracket 56 to move horizontally, at this time, the moving bracket 56 drives the installation connecting seat 57 to move, the guide movable sleeve 510 at the bottom of the installation connecting seat 57 can move outside the guide rail 59, and the guide rail 59 can adjust the position of the installation head 58 for speed measurement after moving, when the installation connecting seat 57 moves to the appropriate position, the cast iron threaded sleeve 67 outside the cast iron threaded column 65 is rotated, the upper top surface of the cast iron threaded sleeve 67 is in abutment with the anti-skid handle pad 66, at this time, the supporting spring 62 at the bottom of the fixed mounting pad 61 vertically pushes the movable plate 63, the lower bottom surface of the movable plate 63 is in abutment with the upper top surface of the fixed mounting seat 1, so that the position of the installation connecting seat 57 after the position adjustment can be conveniently fixed.

[0042] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A speed measuring device for a series excited electric machine comprising a fixed mounting base (1), characterised in that: The bottom of the fixed mounting seat (1) is fixedly connected with a stable connecting pad (2), the top of the fixed mounting seat (1) is provided with a speed measuring device main body (3), one side of the speed measuring device main body (3) is provided with a speed measuring connecting head (4), the top of the fixed mounting seat (1) is provided with a speed measuring adjusting mechanism (5), and the outer side of the speed measuring adjusting mechanism (5) is connected with a stable mechanism (6). The speed measuring adjusting mechanism (5) comprises a first supporting plate (51), one side of the first supporting plate (51) is fixedly connected with a servo motor (52), the output shaft of the servo motor (52) is fixedly connected with a self-locking ball screw (53), the top of the fixed mounting seat (1) is fixedly connected with a second supporting plate (54), the outer side of the self-locking ball screw (53) is threadedly connected with a self-locking ball nut (55), and one side of the self-locking ball nut (55) is fixedly connected with a moving bracket (56).

2. A speed measuring device for a series excited dynamo as claimed in claim 1, characterized in that: One side of the moving bracket (56) is fixedly connected with a mounting connecting seat (57), and one side of the mounting connecting seat (57) is fixedly connected with a speed measuring mounting head (58).

3. A speed measuring device for a series excited dynamo as claimed in claim 2, characterised in that: The bottom of the mounting connecting seat (57) is fixedly connected with a guide movable sleeve (510), and the top of the fixed mounting seat (1) is provided with a guide rail (59).

4. A speed measuring device for a series excited dynamo as claimed in claim 3, characterised in that: The first supporting plate (51) and the fixed mounting seat (1) are fixedly connected, and the self-locking ball screw (53) and the second supporting plate (54) are connected through a bearing.

5. A speed measuring device for a series excited dynamo as claimed in claim 4, characterised in that: A through hole is formed in the first supporting plate (51), and the size of the through hole is matched with the size of the self-locking ball screw (53).

6. A speed measuring device for a series excited dynamo as claimed in claim 1, characterized in that: The stable mechanism (6) comprises a fixed mounting pad (61), the bottom of the fixed mounting pad (61) is connected with a supporting spring (62), the bottom of the supporting spring (62) is connected with a movable plate (63), the top of the movable plate (63) is fixedly connected with a positioning mounting block (64), and the top of the movable plate (63) is fixedly connected with a cast iron threaded column (65).

7. A speed measuring device for a series excited dynamo as claimed in claim 6, characterised in that: The top of the cast iron threaded column (65) is fixedly connected with an anti-skid handle pad (66), and the outer side of the cast iron threaded column (65) is threadedly connected with a cast iron threaded sleeve (67).

8. A speed measuring device for a series excited dynamo as claimed in claim 7, characterised in that: A through hole is formed in the fixed mounting pad (61), and the size of the through hole is matched with the size of the cast iron threaded column (65).

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