CN212514631U - Rotating speed detection device for direct current motor - Google Patents
Rotating speed detection device for direct current motor Download PDFInfo
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- CN212514631U CN212514631U CN202021141700.XU CN202021141700U CN212514631U CN 212514631 U CN212514631 U CN 212514631U CN 202021141700 U CN202021141700 U CN 202021141700U CN 212514631 U CN212514631 U CN 212514631U
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Abstract
The utility model discloses a rotational speed detection device for direct current motor, the camera includes a supporting plate, detection mechanism and fixed establishment all locate in the backup pad, be equipped with coupling mechanism between detection mechanism and the motor, coupling mechanism includes first connecting axle, second connecting axle and adapter sleeve, the adapter sleeve is located on the first connecting axle, adapter sleeve and second adapter sleeve threaded connection, fixed establishment includes the fixed plate, the dead lever, the chucking subassembly, the dead lever is located on the fixed plate, the chucking subassembly is located on the dead lever, the chucking subassembly is used for the chucking motor. The first connecting shaft is connected with the detection mechanism, the second connecting shaft is connected with the motor, the connecting sleeve is utilized to realize quick connection of the first connecting shaft and the second connecting shaft, detection of the motor is facilitated, and detection efficiency is improved. The utility model discloses can make things convenient for quick detection motor speed, improve detection efficiency, be convenient for detect in batches.
Description
Technical Field
The utility model belongs to the technical field of the motor, especially, relate to a rotational speed detection device for direct current motor.
Background
A dc motor is a motor that converts dc electrical energy into mechanical energy. The speed-regulating device is widely applied to electric traction due to good speed-regulating performance. The DC motor is divided into 3 types of permanent magnet, separately excited and self-excited according to the excitation mode, wherein the self-excited is divided into 3 types of shunt excitation, series excitation and compound excitation. When a direct current power supply supplies power to the armature winding through the electric brush, the lower conductor of the N pole on the surface of the armature can flow current in the same direction, and the conductor is subjected to the action of counterclockwise torque according to the left-hand rule; the lower conductor of the S pole of the armature surface also flows current in the same direction, and the conductor is subjected to moment in the counterclockwise direction according to the left-hand rule. Thus, the whole armature winding, i.e. the rotor, rotates anticlockwise, and the input direct current electric energy is converted into mechanical energy output on the rotor shaft. The stator is composed of a stator and a rotor, wherein the stator: a base, a main magnetic pole, a commutating pole, a brush device and the like; rotor (armature): armature core, armature winding, commutator, rotating shaft and fan. Direct current motor often need carry out the rotational speed and detect in order to ensure the quality of motor, and current direct current motor rotational speed detection device often detection efficiency is low, and detection effect is not good, is difficult to detect in batches.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the above-mentioned technical problem that exists among the prior art, provide a rotational speed detection device for direct current motor, can make things convenient for quick detection motor speed, improve detection efficiency, be convenient for detect in batches.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a kind of rotational speed checkout gear used for direct current motor, characterized by that: the clamping mechanism comprises a supporting plate, a detection mechanism and a fixing mechanism, wherein the detection mechanism and the fixing mechanism are arranged on the supporting plate, a connecting mechanism is arranged between the detection mechanism and the motor, the connecting mechanism comprises a first connecting shaft, a second connecting shaft and a connecting sleeve, the connecting sleeve is arranged on the first connecting shaft, the connecting sleeve is in threaded connection with the second connecting shaft, the fixing mechanism comprises a fixing plate, a fixing rod and a clamping assembly, the fixing rod is arranged on the fixing plate, the clamping assembly is arranged on the fixing rod, and the clamping assembly is used for clamping the motor. The motor to be detected is fixed through the fixing mechanism, then the connecting structure is utilized to connect the detection mechanism and the motor, and the rotation of the motor is transmitted to the detection mechanism, so that the rotation speed detection is realized. The detection mechanism can detect the rotating speed of the motor by adopting Hall sensor detection. The first connecting shaft is connected with the detection mechanism, the second connecting shaft is connected with the motor, the connecting sleeve is utilized to realize quick connection of the first connecting shaft and the second connecting shaft, detection of the motor is facilitated, and detection efficiency is improved.
Furthermore, the first connecting shaft is provided with a first protruding portion, two adjacent first protruding portions form a first groove, the second connecting shaft is provided with a second protruding portion, two adjacent second protruding portions are provided with a second groove, the first protruding portion is clamped in the second groove, and the second protruding portion is clamped in the first groove. Utilize the mutual block of first bellying and second bellying, improved the connection effect of first connecting axle and second connection state, avoid skidding between first connecting axle and the second connecting axle.
Further, the clamping assembly comprises a first upper clamping ring, a first lower clamping ring, a second upper clamping ring and a second lower clamping ring, a first fixing bolt is arranged between the first upper clamping ring and the first lower clamping ring, a second fixing bolt is arranged between the second upper clamping ring and the second lower clamping ring, the first upper clamping ring is connected with the fixed rod in a sliding mode, and the second upper clamping ring is connected with the fixed rod in a sliding mode. The motor is conveniently detected by clamping the motor through the first upper clamping ring, the first lower clamping ring, the second upper clamping ring and the second lower clamping ring, and meanwhile, the first upper clamping ring and the second upper clamping ring are both in sliding connection with the fixing rod, so that the motor is conveniently clamped.
Further, first snap ring is equipped with first sliding sleeve down, and on the dead lever was located to first sliding sleeve, first sliding sleeve and dead lever sliding connection, first sliding sleeve were equipped with first puller bolt, and first puller bolt jack-up dead lever, snap ring was equipped with the second sliding sleeve down under the second, and on the dead lever was located to the second sliding sleeve, second sliding sleeve and dead lever sliding connection, the second sliding sleeve was equipped with second puller bolt, second puller bolt jack-up dead lever. Utilize first sliding sleeve, second sliding sleeve to realize the altitude mixture control of snap ring under first snap ring and the second for the height of whole chucking subassembly can be adjusted, conveniently detects the motor of different models, makes the output shaft of the motor of different models can both conveniently be connected with detection mechanism.
Further, a connecting rod is arranged between the first lower clamping ring and the second lower clamping ring. Utilize the connecting rod to realize the synchronous motion of first lower semi-ring and second lower semi-ring, can make first lower semi-ring and second lower semi-ring highly the same, make things convenient for the altitude mixture control of first lower semi-ring and second lower semi-ring.
Further, the backup pad is equipped with the slide rail, and the fixed plate is equipped with the slider, and on the slide rail was located to the slider, slider and slide rail sliding connection, slider were equipped with the chucking bolt, chucking bolt chucking slide rail. The slide rail slide block realizes the removal of fixed plate in the backup pad, makes things convenient for chucking mechanism according to the model adjustment of different motors and detection mechanism's interval, also makes things convenient for the butt joint of first connecting axle and second connecting axle simultaneously.
Furthermore, the first connecting shaft is provided with a first connecting bolt, and the second connecting shaft is provided with a second connecting bolt. Utilize first connecting bolt and second connecting bolt to realize the fixed of first connecting axle and second connecting axle, make things convenient for first connecting axle card on detection mechanism, make things convenient for the second connecting axle card on motor output shaft.
The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:
the utility model discloses when using, earlier with first connecting axle card on detection mechanism, later with second connecting axle card on waiting to detect the motor, adjust the height of snap ring under snap ring and the second under the laundry, so that first connecting axle and second connecting axle are coaxial, later will wait to detect the motor and arrange in on first snap ring and second snap ring down, push down first snap ring and second on go up the snap ring, it waits to detect the motor to screw up first fixing bolt and second fixing bolt chucking, later sideslip fixed establishment, with the mutual block of second connecting axle and first connecting axle, and screw up the adapter sleeve, later screw up chucking bolt chucking slide rail, later carry out motor speed and detect. The utility model discloses can conveniently must detect motor speed fast, improve detection efficiency, detection effect is good, is convenient for detect in batches.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of a rotation speed detecting device for a dc motor according to the present invention;
fig. 2 is an exploded view of the connection mechanism of the present invention;
fig. 3 is a schematic structural diagram of the middle fixing mechanism of the present invention.
In the figures, 1-support plate; 2-a detection mechanism; 3-a fixing mechanism; 4-a connection mechanism; 5-a first connecting shaft; 6-a second connecting shaft; 7-connecting sleeves; 8, fixing a plate; 9-fixing the rod; 10-a clamping assembly; 11-a first boss; 12-a first groove; 13-a second boss; 14-a second groove; 15-a first upper snap ring; 16-a first lower snap ring; 17-a second upper snap ring; 18-a second lower snap ring; 19-a first fixing bolt; 20-a second fixing bolt; 21-a first sliding sleeve; 22-a first jacking bolt; 23-a second runner; 24-a second jacking bolt; 25-a connecting rod; 26-a slide rail; 27-a slide block; 28-clamping the bolt; 29-first connecting bolt; 30-second connecting bolt.
Detailed Description
As shown in fig. 1 to 3, for the utility model relates to a rotational speed detection device for direct current motor, including backup pad 1, detection mechanism 2 and fixed establishment 3 are all located on backup pad 1, be equipped with coupling mechanism 4 between detection mechanism 2 and the motor, coupling mechanism 4 includes first connecting axle 5, second connecting axle 6 and adapter sleeve 7, adapter sleeve 7 is located on first connecting axle 5, adapter sleeve 7 and 7 threaded connection of second connecting axle, fixed establishment 3 includes fixed plate 8, dead lever 9, chucking subassembly 10, dead lever 9 is located on fixed plate 8, chucking subassembly 10 is located on dead lever 9, chucking subassembly 10 is used for the chucking motor. The motor to be detected is fixed through the fixing mechanism 3, then the connecting structure is utilized to connect the detection mechanism 2 and the motor, and the rotation of the motor is transmitted to the detection mechanism 2, so that the rotation speed detection is realized. The detection mechanism 2 can detect the motor speed by using hall sensor detection. First connecting axle 5 is connected with detection mechanism 2, and second connecting axle 6 is connected with the motor, utilizes adapter sleeve 7 to realize the high-speed joint of first connecting axle 5 and second connecting axle 6, makes things convenient for the detection of motor, improves detection efficiency.
The first connecting shaft 5 is provided with first protruding parts 11, two adjacent first protruding parts 11 form first grooves 12, the second connecting shaft 6 is provided with second protruding parts 13, two adjacent second protruding parts 13 are formed with second grooves 14, the first protruding parts 11 are clamped in the second grooves 14, and the second protruding parts 13 are clamped in the first grooves 12. The mutual clamping of the first protruding part 11 and the second protruding part 13 is utilized, the connecting effect of the first connecting shaft 5 and the second connecting shaft is improved, and the first connecting shaft 5 and the second connecting shaft 6 are prevented from slipping.
The clamping assembly 10 comprises a first upper clamping ring 15, a first lower clamping ring 16, a second upper clamping ring 17 and a second lower clamping ring 18, a first fixing bolt 19 is arranged between the first upper clamping ring 15 and the first lower clamping ring 16, a second fixing bolt 20 is arranged between the second upper clamping ring 17 and the second lower clamping ring 18, the first upper clamping ring 15 is in sliding connection with the fixing rod 9, and the second upper clamping ring 17 is in sliding connection with the fixing rod 9. Snap ring 17 and second lower snap ring 18 realize the chucking to the motor through snap ring 15, first snap ring 16, second on, make things convenient for the motor to detect, snap ring 17 all with dead lever 9 sliding connection, make things convenient for the chucking on snap ring 15 and the second on the first simultaneously.
The first lower snap ring 16 is provided with a first sliding sleeve 21, the first sliding sleeve 21 is arranged on the fixed rod 9, the first sliding sleeve 21 is slidably connected with the fixed rod 9, the first sliding sleeve 21 is provided with a first tightening bolt 22, the first tightening bolt 22 tightens against the fixed rod 9, the second lower snap ring 18 is provided with a second sliding sleeve 23, the second sliding sleeve 23 is arranged on the fixed rod 9, the second sliding sleeve 23 is slidably connected with the fixed rod 9, the second sliding sleeve 23 is provided with a second tightening bolt 24, and the second tightening bolt 24 tightens against the fixed rod 9. Utilize first sliding sleeve 21, second sliding sleeve 23 to realize the altitude mixture control of snap ring 16 under first and second snap ring 18 for whole chucking subassembly 10 highly can be adjusted, conveniently detect the motor of different models, make the output shaft of the motor of different models can both conveniently be connected with detection mechanism 2.
A connecting rod 25 is arranged between the first lower snap ring 16 and the second lower snap ring 18. Utilize connecting rod 25 to realize the synchronous motion of first lower semi-ring and second lower semi-ring, can make first lower semi-ring and second lower semi-ring highly the same, make things convenient for the altitude mixture control of first lower semi-ring and second lower semi-ring.
The supporting plate 1 is provided with a slide rail 26, the fixing plate 8 is provided with a slide block 27, the slide block 27 is arranged on the slide rail 26 and is in sliding connection with the slide rail 26, the slide block 27 is provided with a clamping bolt 28, and the clamping bolt 28 clamps the slide rail 26. The sliding rail 26 and the sliding block 27 realize the movement of the fixing plate 8 on the supporting plate 1, so that the distance between the clamping mechanism and the detection mechanism 2 can be adjusted conveniently according to the models of different motors, and the butt joint of the first connecting shaft 5 and the second connecting shaft 6 is also facilitated.
The first connecting shaft 5 is provided with a first connecting bolt 29 and the second connecting shaft 6 is provided with a second connecting bolt 30. Utilize first connecting bolt 29 and second connecting bolt 30 to realize the fixed of first connecting axle 5 and second connecting axle 6, make things convenient for first connecting axle 5 card on detection mechanism 2, make things convenient for second connecting axle 6 card on motor output shaft.
The utility model discloses when using, earlier with 5 blocks of first connecting axle on detection mechanism 2, later with 6 blocks of second connecting axle on waiting to detect the motor, adjust the height of snap ring 18 under snap ring and the second under the laundry, so that first connecting axle 5 and second connecting axle 6 are coaxial, later will wait to detect the motor and arrange first snap ring 16 and second in on the snap ring 18 down, it goes up snap ring 17 on snap ring 15 and the second to push down first, screw up first fixing bolt 19 and the 20 chucking of second fixing bolt motor that awaits measuring, later sideslip fixed establishment 3, with the mutual block of second connecting axle 6 and first connecting axle 5, and screw up adapter sleeve 7, later screw up 28 chucking slide rails 26 of chucking bolt, later carry out motor speed and detect. The utility model discloses can conveniently must detect motor speed fast, improve detection efficiency, detection effect is good, is convenient for detect in batches.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.
Claims (7)
1. A kind of rotational speed checkout gear used for direct current motor, characterized by that: including backup pad, detection mechanism and fixed establishment, detection mechanism with fixed establishment all locates in the backup pad, be equipped with coupling mechanism between detection mechanism and the motor, coupling mechanism includes first connecting axle, second connecting axle and adapter sleeve, the adapter sleeve is located on the first connecting axle, the adapter sleeve with second connecting axle threaded connection, fixed establishment includes fixed plate, dead lever, chucking subassembly, the dead lever is located on the fixed plate, the chucking subassembly is located on the dead lever, the chucking subassembly is used for the chucking motor.
2. A rotation speed detecting apparatus for a direct current motor according to claim 1, characterized in that: the first connecting shaft is provided with a first protruding portion, the two adjacent first protruding portions form a first groove, the second connecting shaft is provided with a second protruding portion, the two adjacent second protruding portions are provided with a second groove, the first protruding portions are clamped in the second grooves, and the second protruding portions are clamped in the first grooves.
3. A rotation speed detecting apparatus for a direct current motor according to claim 1, characterized in that: the clamping assembly comprises a first upper clamping ring, a first lower clamping ring, a second upper clamping ring and a second lower clamping ring, a first fixing bolt is arranged between the first upper clamping ring and the first lower clamping ring, a second fixing bolt is arranged between the second upper clamping ring and the second lower clamping ring, the first upper clamping ring is connected with the fixed rod in a sliding mode, and the second upper clamping ring is connected with the fixed rod in a sliding mode.
4. A rotation speed detecting apparatus for a direct current motor according to claim 3, characterized in that: the first lower snap ring is provided with a first sliding sleeve, the first sliding sleeve is arranged on the fixed rod, the first sliding sleeve is in sliding connection with the fixed rod, the first sliding sleeve is provided with a first puller bolt, the first puller bolt jacks the fixed rod, the second lower snap ring is provided with a second sliding sleeve, the second sliding sleeve is arranged on the fixed rod, the second sliding sleeve is in sliding connection with the fixed rod, the second sliding sleeve is provided with a second puller bolt, and the second puller bolt jacks the fixed rod.
5. A rotation speed detecting apparatus for a direct current motor according to claim 4, characterized in that: and a connecting rod is arranged between the first lower clamping ring and the second lower clamping ring.
6. A rotation speed detecting apparatus for a direct current motor according to claim 1, characterized in that: the backup pad is equipped with the slide rail, the fixed plate is equipped with the slider, the slider is located on the slide rail, the slider with slide rail sliding connection, the slider is equipped with the chucking bolt, the chucking bolt chucking the slide rail.
7. A rotation speed detecting apparatus for a direct current motor according to claim 1, characterized in that: the first connecting shaft is provided with a first connecting bolt, and the second connecting shaft is provided with a second connecting bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021141700.XU CN212514631U (en) | 2020-06-18 | 2020-06-18 | Rotating speed detection device for direct current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021141700.XU CN212514631U (en) | 2020-06-18 | 2020-06-18 | Rotating speed detection device for direct current motor |
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| Publication Number | Publication Date |
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| CN212514631U true CN212514631U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021141700.XU Active CN212514631U (en) | 2020-06-18 | 2020-06-18 | Rotating speed detection device for direct current motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125957A (en) * | 2021-04-28 | 2021-07-16 | 河北工业大学 | Testing arrangement of frameless motor |
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2020
- 2020-06-18 CN CN202021141700.XU patent/CN212514631U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125957A (en) * | 2021-04-28 | 2021-07-16 | 河北工业大学 | Testing arrangement of frameless motor |
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