Rotating speed detection meter

Abstract

The utility model provides a rotating speed detection meter, relates to the technical field of rotating speed measurement, and aims to solve the problems in the technical field of rotating speed measurement. The bearing structure is movably connected with the connecting structure and the detection structure, the two sides of the connecting structure are movably connected with the clamping mechanisms, one end of the connecting structure is movably connected with the linkage structure, the detection structure is movably connected with the linkage structure at the same time, and the linkage structure comprises a gear A, a connecting rod, a connecting ring, a gear B and a connecting shaft. One side of the gear A is fixedly connected with a connecting ring, the connecting ring is rotationally connected with the connecting rod at the same time, the gear A is meshed with the gear B at the same time, and the gear B is fixedly connected to the connecting shaft. Meanwhile, the turntable A can be controlled to be well attached to the turntable B through the turntable A, so that the turntable A is prevented from idling.

Description

Technical Field

[0001] The utility model relates to the technical field of rotation speed measurement, in particular to a rotation speed detection meter. Background Art

[0002] Speed ​​measurement refers to a measurement system that measures the speed of an object. It is divided into centrifugal tachometers and magnetic tachometers. After the production of the drive motor is completed, the drive motors of the same batch need to be sampled, and the speed measurement is also one of the inspection items.

[0003] The inventors have discovered that when using existing speed detection meters, most of them are unable to control the detection equipment to fit well to the driving end of the motor when detecting driving devices such as motors due to the small diameter of the driving end of some motors, which causes the motor to easily idle and causes inaccurate measurement data. Utility Model Content

[0004] The utility model aims to provide a rotation speed detection meter to solve the problem in the background technology that the detection device cannot be well fitted to the driving end of the motor due to the small diameter of the driving end of some motors.

[0005] This practical speed detection table is achieved by the following specific technical means:

[0006] A rotation speed detection meter comprises a bearing structure; a connecting structure and a detection structure are movably connected to the bearing structure respectively, clamping mechanisms are movably connected to the two sides of the connecting structure respectively, one end of the connecting structure is movably connected to a linkage structure, and the detection structure is also movably connected to the linkage structure, the linkage structure comprises: a gear A, a connecting rod, a connecting ring, a gear B, and a connecting shaft, one side of the gear A is fixedly connected to a connecting ring, the connecting ring is also rotatably connected to the connecting rod, the gear A is also meshed with the gear B, and the gear B is fixedly connected to the connecting shaft.

[0007] In at least some embodiments, the supporting structure includes: a base plate, support columns, a support frame, a motor, a sliding groove, and a rotating groove A. Four groups of support columns are fixedly connected to the bottom of the base plate, and the top of the base plate is fixedly connected to the support frame. The support frame is movably connected to the motor, and a sliding groove and a rotating groove A are respectively provided inside the support frame, and the rotating groove A is also arranged inside the sliding groove.

[0008] In at least some embodiments, the clamping mechanism includes: a rotating column, a nut, a telescopic rod, a sliding rod, a limit plate, and a splint A. The rotating column is fixedly connected to a nut, the nut is rotatably connected to the telescopic rod, one end of the telescopic rod is fixedly connected to the splint A at the same time, the two sides of the splint A are respectively fixedly connected to the sliding rod, the tail end of the sliding rod is fixedly connected to the limit plate, and the splint A is respectively attached to the two sides of the motor.

[0009] In at least some embodiments, the connecting structure includes: an insertion rod, a limit block, a connecting frame, a splint B, a sliding plate, a guide rod, an elastic member, and a rotating groove B. One end of the insertion rod is fixedly connected to four groups of limit blocks, and the other end of the insertion rod is fixedly connected to two groups of connecting frames. The splint B is fixedly connected to one side of the sliding plate, and the guide rod is fixedly connected in the connecting frame. The sliding plate is slidingly connected to the connecting frame and the guide rod respectively. The guide rod is movably connected with an elastic member, and both ends of the elastic member are slidingly connected to the connecting frame and the sliding plate respectively. A rotating groove B is provided in the connecting frame, and the connecting frame rotates with the rotating column through the rotating groove B. The connecting frame is slidingly connected to the sliding rod at the same time, and the splint B is respectively attached to both sides of the rotating column.

[0010] In at least some embodiments, the linkage structure also includes: a support block, a turntable A. The support block and the connecting rod are respectively fixedly connected to the top of the base plate. The support block is also rotatably connected to the connecting shaft. The turntable A is also fixedly connected to the connecting shaft. One side of the gear A is plug-in connected to the plug-in rod and the limit block.

[0011] In at least some embodiments, the detection structure includes: a detector, a turntable B, a connecting block, a control shaft, and a knob. One end of the detector is rotatably connected to the turntable B, and the turntable B is simultaneously fitted with the turntable A. Two sets of connecting blocks are fixedly connected to the detector at the same time. The connecting blocks are slidably connected to the base plate through sliding grooves, the connecting blocks are rotatably connected to the control shaft, the control shaft is rotatably connected to the base plate through rotating grooves A, and one end of the control shaft is fixedly connected to the knob.

[0012] Compared with the existing structure, the utility model has the following advantages:

[0013] 1. The linkage structure of the utility model can drive the connecting shaft and the turntable A to rotate through the motor. The turntable A can effectively expand the diameter of the motor driving end. At the same time, the turntable A can also be controlled to fit well with the turntable B to prevent the turntable A from idling, which causes the motor to idling when measuring speed.

[0014] 2. The detection structure of the utility model is set up, and the connecting block carrying the detector can be controlled to slide through the control shaft, and at the same time, one side of the turntable B can be controlled to fit well with the turntable A. At the same time, when the control shaft stops rotating, the detector can also be limited by the control shaft to prevent the turntable B and the turntable A from separating from each other, thereby further improving the accuracy of the data during the speed detection.

[0015] 3. According to the connection structure of the utility model, the insertion rod and the limit block can be well inserted into the gear A. At the same time, the other end of the insertion rod can be fixed on the motor through the clamping plate A, and the motor can drive the insertion rod and the gear A to rotate at the same time. The connection method is relatively simple and ensures that the rotation speed of the connecting shaft is consistent with the rotation speed of the motor. Brief Description of the Drawings

[0016] Figure 1 It is a top view structural schematic diagram of the present utility model;

[0017] Figure 2 It is a structural schematic diagram of the bearing structure of the present utility model;

[0018] Figure 3 It is a structural schematic diagram of the clamping mechanism of the present utility model;

[0019] Figure 4 It is a structural schematic diagram of the connection structure of the present utility model;

[0020] Figure 5 For the present utility model Figure 4 An enlarged structural schematic diagram at position A;

[0021] Figure 6 It is a sectional structural schematic diagram of the linkage structure of the present utility model;

[0022] Figure 7 It is a structural schematic diagram of the detection structure of the present utility model.

[0023] In the figure:

[0024] 1. Bearing structure; 101. Base plate; 102. Support column; 103. Support frame; 104. Motor; 105. Sliding groove; 106. Rotating groove A;

[0025] 2. Clamping mechanism; 201. Rotating column; 202. Nut; 203. Telescopic rod; 204. Sliding rod; 205. Limiting plate; 206. Clamping plate A;

[0026] 3. Connection structure; 301. Insertion rod; 302. Limiting block; 303. Connection frame; 304. Clamping plate B; 305. Sliding plate; 306. Guide rod; 307. Elastic member; 308. Rotating groove B;

[0027] 4. Linkage structure; 401. Gear A; 402. Connecting rod; 403. Connecting ring; 404. Gear B; 405. Support block; 406. Connecting shaft; 407. Turntable A;

[0028] 5. Detection structure; 501. Detector; 502. Turntable B; 503. Connecting block; 504. Control shaft; 505. Knob. Detailed Description of the Preferred Embodiment

[0029] The following further describes in detail the embodiments of the present utility model with reference to the drawings and examples.

[0030] Embodiment 1:

[0031] See also Figure 1 To Attachment Figure 7 A speed detection meter includes a bearing structure 1; a connecting structure 3 and a detection structure 5 are movably connected to the bearing structure 1, and clamping mechanisms 2 are movably connected to both sides of the connecting structure 3. One end of the connecting structure 3 is movably connected to a linkage structure 4, and the detection structure 5 is also movably connected to the linkage structure 4. The linkage structure 4 includes: a gear A401, a connecting rod 402, a connecting ring 403, a gear B404, and a connecting shaft 406. A connecting ring 403 is fixedly connected to one side of the gear A401, and the connecting ring 403 is also rotatably connected to the connecting rod 402. The gear A401 is also meshed with the gear B404, and the gear B404 is fixedly connected to the connecting shaft 406.

[0032] like Figure 6 As shown, the linkage structure 4 also includes: a support block 405 and a turntable A407. The support block 405 and the connecting rod 402 are respectively fixedly connected to the top of the bottom plate 101. The support block 405 is also rotatably connected to the connecting shaft 406. The turntable A407 is also fixedly connected to the connecting shaft 406. One side of the gear A401 is plug-connected with the plug-in rod 301 and the limit block 302. The connecting shaft 406 is arranged in a stepped shape. Its function is to prevent the connecting shaft 406 from being offset when the connecting shaft 406 rotates through the stepped connecting shaft 406. The connecting shaft 406 and the turntable A407 can be driven to rotate by the motor 104. The turntable A407 can effectively expand the diameter of the driving end of the motor 104. At the same time, the turntable A407 can also be controlled to fit well with the turntable B502 through the turntable A407 to prevent the turntable A407 from idling, which causes the motor 104 to idling when measuring speed.

[0033] Embodiment 2:

[0034] Based on the first embodiment, Figure 2 As shown, the bearing structure 1 includes: a base plate 101, support columns 102, a support frame 103, a motor 104, a sliding groove 105, and a rotating groove A106. Four groups of support columns 102 are fixedly connected to the bottom of the base plate 101, and the top of the base plate 101 is fixedly connected to the support frame 103. The support frame 103 is movably connected to the motor 104. The interior of the support frame 103 is respectively provided with a sliding groove 105 and a rotating groove A106. The rotating groove A106 is also arranged inside the sliding groove 105. The motor 104 adopts a servo motor.

[0035] like Figure 3As shown, the clamping mechanism 2 includes: a rotating column 201, a nut 202, a telescopic rod 203, a sliding rod 204, a limiting plate 205, and a clamping plate A206. The rotating column 201 is fixedly connected with a nut 202 inside, the nut 202 is rotatably connected to the telescopic rod 203, one end of the telescopic rod 203 is fixedly connected to the clamping plate A206 at the same time, the two sides of the clamping plate A206 are respectively fixedly connected with the sliding rod 204, the tail end of the sliding rod 204 is fixedly connected to the limiting plate 205, the clamping plate A206 is respectively attached to the two sides of the motor 104, and the telescopic rod 203 adopts a screw, and its function is to rotate the nut 202. When moving, the telescopic rod 203 can be controlled by the nut 202 to automatically slide to one end, and the telescopic rod 203 can also be limited by the splint A206 and the sliding rod 204 to prevent the telescopic rod 203 from rotating simultaneously with the nut 202. The sliding rod 204 and the limiting plate 205 are arranged in a stepped manner, and their function is that the sliding distance of the sliding rod 204 can be effectively limited by the stepped sliding rod 204 and the limiting plate 205. The splint A206 is arranged in an arc shape, and its function is that the splint A206 arranged in an arc shape can make the splint A206 fit well on both sides of the motor 104.

[0036] like Figure 4 and Figure 5 As shown, the connection structure 3 includes: an insertion rod 301, a limit block 302, a connecting frame 303, a clamping plate B304, a sliding plate 305, a guide rod 306, an elastic member 307, and a rotation groove B308. One end of the insertion rod 301 is fixedly connected to four groups of limit blocks 302, and the other end of the insertion rod 301 is fixedly connected to two groups of connecting frames 303. The clamping plate B304 is fixedly connected to one side of the sliding plate 305. The guide rod 306 is fixedly connected in the connecting frame 303. The sliding plate 305 is slidably connected to the connecting frame 303 and the guide rod 306 respectively. The guide rod 306 is movably connected to the elastic member 307. The two ends of the elastic member 307 are slidably connected to the connecting frame 303 and the sliding plate 305 respectively. A rotation groove B308 is provided in the connecting frame 303. The connecting frame 303 is slidably connected with the sliding rod 204 through the rotating groove B308 and the rotating column 201, and the clamping plates B304 are respectively attached to the two sides of the rotating column 201. The plug-in rod 301 and the limit block 302 are arranged in a rhombus shape, and the function is that the plug-in rod 301 arranged in a rhombus shape can drive the gear A401 to rotate at the same time through the plug-in rod 301, and the plug-in rod 301 and the limit block 302 can be well inserted into the gear A401. At the same time, the other end of the plug-in rod 301 can also be fixed on the motor 104 through the clamping plate A206, and the plug-in rod 301 and the gear A401 are driven to rotate at the same time through the motor 104. The connection method is relatively simple, and at the same time, it is ensured that the rotation speed of the connecting shaft 406 is consistent with the rotation speed of the motor 104.

[0037] Embodiment three:

[0038] On the basis of the first and second embodiments, Figure 7 As shown, the detection structure 5 includes: a detector 501, a turntable B502, a connecting block 503, a control shaft 504, and a knob 505. One end of the detector 501 is rotatably connected to the turntable B502, and the turntable B502 is simultaneously fitted with the turntable A407. Two groups of connecting blocks 503 are fixedly connected to the detector 501 at the same time. The connecting block 503 is slidably connected to the bottom plate 101 through the sliding groove 105. The connecting block 503 is rotatably connected to the control shaft 504. The control shaft 504 is rotatably connected to the bottom plate 101 through the rotating groove A106. One end of the control shaft 504 is fixedly connected to the knob 505 The surface of the control shaft 504 is provided with a thread, and its function is that when the control shaft 504 rotates, the control shaft 504 can drive the connecting block 503 to slide along the sliding groove 105, and the control shaft 504 can control the connecting block 503 to carry the detector 501 to slide, and at the same time, one side of the turntable B502 can be controlled to fit well with the turntable A407. At the same time, when the control shaft 504 stops rotating, the control shaft 504 can also limit the detector 501 to prevent the turntable B502 and the turntable A407 from separating from each other, thereby further improving the accuracy of the data during the speed detection.

[0039] The working principle of this embodiment:

[0040] In the present invention, the motor 104 is first fixed on the support frame 103. After the fixing is completed, one end of the plug-in rod 301 is placed on the motor 104. Then, the rotating column 201 is controlled to rotate. When the rotating column 201 and the nut 202 rotate, the telescopic rod 203 and the clamping plate A206 can be controlled to slide, and the clamping plate A206 can be controlled to fit the two sides of the motor 104 respectively. At the same time, the other end of the plug-in rod 301 is inserted into the interior of the gear A401. Then, the motor 104 is turned on and the motor 104 is turned on by The motor 104 controls the gears A401 and B404 to carry the connecting shaft 406 and the turntable A407 to rotate. When the turntable A407 rotates, the connecting shaft 406 can also be rotated, and the connecting block 503 and the detector 501 are driven to slide along the sliding groove 105 through the connecting shaft 406, so that the turntable B502 fits well onto the turntable A407, and controls the rotation of the turntable B502, and then the detector 501 is used to detect the rotation speed of the turntable A407, the turntable B502 and the motor 104.

Claims

1. A speed detection meter, characterized in that: The invention comprises a bearing structure (1); a connecting structure (3) and a detection structure (5) are movably connected to the bearing structure (1); clamping mechanisms (2) are movably connected to the two sides of the connecting structure (3); one end of the connecting structure (3) is movably connected to a linkage structure (4); the detection structure (5) is also movably connected to the linkage structure (4); the linkage structure (4) comprises: a gear A (401), a connecting rod (402), a connecting ring (403), a gear B (404), and a connecting shaft (406); one side of the gear A (401) is fixedly connected to a connecting ring (403); the connecting ring (403) is also rotatably connected to the connecting rod (402); the gear A (401) is also meshed with the gear B (404); the gear B (404) is fixedly connected to the connecting shaft (406).

2. A speed detection meter according to claim 1, characterized in that: The bearing structure (1) comprises: a base plate (101), support columns (102), a support frame (103), a motor (104), a sliding groove (105), and a rotating groove A (106); four groups of support columns (102) are fixedly connected to the bottom of the base plate (101); the support frame (103) is fixedly connected to the top of the base plate (101); the support frame (103) is movably connected to the motor (104); a sliding groove (105) and a rotating groove A (106) are respectively arranged inside the support frame (103); and the rotating groove A (106) is also arranged inside the sliding groove (105).

3. A speed detection meter according to claim 2, characterized in that: The clamping mechanism (2) comprises: a rotating column (201), a nut (202), a telescopic rod (203), a sliding rod (204), a limiting plate (205), and a clamping plate A (206); the rotating column (201) is fixedly connected with a nut (202) inside; the nut (202) is rotatably connected to the telescopic rod (203); one end of the telescopic rod (203) is fixedly connected to the clamping plate A (206); the two sides of the clamping plate A (206) are respectively fixedly connected with the sliding rod (204); the tail end of the sliding rod (204) is fixedly connected with the limiting plate (205); and the clamping plate A (206) is respectively attached to the two sides of the motor (104).

4. A speed detection meter according to claim 3, characterized in that: The connection structure (3) comprises: an insertion rod (301), a limit block (302), a connecting frame (303), a clamping plate B (304), a sliding plate (305), a guide rod (306), an elastic member (307), and a rotating groove B (308); one end of the insertion rod (301) is fixedly connected to four groups of limit blocks (302); the other end of the insertion rod (301) is fixedly connected to two groups of connecting frames (303); the clamping plate B (304) is fixedly connected to one side of the sliding plate (305); the guide rod (306) is fixedly connected in the connecting frame (303); The plate (305) is slidably connected to the connecting frame (303) and the guide rod (306), and an elastic member (307) is movably connected to the guide rod (306). The two ends of the elastic member (307) are slidably connected to the connecting frame (303) and the sliding plate (305), respectively. A rotating groove B (308) is provided in the connecting frame (303), and the connecting frame (303) rotates with the rotating column (201) through the rotating groove B (308). The connecting frame (303) is slidably connected to the sliding rod (204) at the same time, and the clamping plate B (304) is respectively attached to the two sides of the rotating column (201).

5. A speed detection meter according to claim 2, characterized in that: The linkage structure (4) further comprises: a support block (405) and a rotating disk A (407); the support block (405) and a connecting rod (402) are respectively fixedly connected to the top of the bottom plate (101); the support block (405) is rotatably connected to a connecting shaft (406); the rotating disk A (407) is fixedly connected to the connecting shaft (406); and one side of the gear A (401) is plug-connected to the plug-in rod (301) and the limit block (302).

6. A speed detection meter according to claim 2, characterized in that: The detection structure (5) comprises: a detector (501), a turntable B (502), a connecting block (503), a control shaft (504), and a knob (505); one end of the detector (501) is rotatably connected to the turntable B (502); the turntable B (502) is simultaneously in contact with the turntable A (407); two groups of connecting blocks (503) are simultaneously fixedly connected to the detector (501); the connecting blocks (503) are slidably connected to the bottom plate (101) via sliding grooves (105); the connecting blocks (503) are rotatably connected to the control shaft (504); the control shaft (504) is rotatably connected to the bottom plate (101) via rotating grooves A (106); and one end of the control shaft (504) is fixedly connected to the knob (505).

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