Motor rotating shaft detection device

Abstract

The utility model belongs to the technical field of motor rotating shaft detection, and particularly relates to a motor rotating shaft detection device which comprises a base. A sliding groove is formed in the base, a movable plate is movably installed in the sliding groove, a rod hole is formed in the movable plate, a movable rod is inserted into the rod hole in a penetrating mode, one end of the movable rod is sleeved with a rod cap, a spring is fixedly connected between the rod cap and the movable rod, a first electrode plate is installed on the movable rod, and a second electrode plate is installed in the rod cap. The first electrode plate and the second electrode plate are both arranged in the spring, a transverse plate is fixedly connected to the movable plate, a guide groove is formed in the transverse plate, a screw rod is inserted into the guide groove in a penetrating mode, the screw rod penetrates through the movable rod, and a nut is fixedly connected to the top of the screw rod. When the detection device is used, a plurality of parts of the motor rotating shaft can be detected by pushing the moving plate, so that whether the motor collimation axis is straight or not can be quickly judged, and the accuracy of a detection result is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of motor shaft detection, in particular to a motor shaft detection device. Background Art

[0002] The motor shaft is an important component of the motor, and its main function is to transmit torque and rotational power. After the motor shaft is produced, in order to ensure the straightness and geometric accuracy of the shaft, the shape of the shaft needs to be tested.

[0003] A Chinese patent with announcement number CN220136208U discloses a motor shaft detection device, including a clamp, a cylinder, a stud, a column, a cross frame and a dial indicator fixed on the cross frame, and also includes a guide rod fixed on the column and having a flange on the top end, the guide rod is provided with a spring and a sliding sleeve, and a detachable camera is installed on the sliding sleeve; in this application, through the cooperation of the camera and the dial indicator, the result can be obtained based on data analysis to determine whether the end shaft is straight.

[0004] The above-mentioned motor shaft detection device has some problems when in use. After the motor shaft is completely calibrated, the axis center of the motor shaft is monitored by an electronic detector. During the detection, the axis centers of various parts of the motor shaft cannot be quickly and effectively corrected, the detection rate is slow, and there are errors in the detection accuracy. Therefore, a motor shaft detection device is proposed to address the above problems. Summary of the invention

[0005] In order to make up for the deficiencies of the prior art and solve the problems raised by the above-mentioned background technology, the utility model proposes a motor shaft detection device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a motor shaft detection device described in the utility model comprises a base; a slide groove is provided on the base, a movable plate is movably installed in the slide groove, a rod hole is provided on the movable plate, a movable rod is inserted in the rod hole, a rod cap is sleeved on one end of the movable rod, a spring is fixedly connected between the rod cap and the movable rod, a first electrode plate is installed on the movable rod, a second electrode plate is installed in the rod cap, and the first electrode plate and the second electrode plate are both arranged in the spring, a cross plate is fixedly connected to the movable plate, a guide groove is provided on the cross plate, a screw is inserted in the guide groove, and the screw passes through the movable rod, a nut is fixedly connected to the top of the screw, a locking nut is sleeved on the bottom of the screw, an indicator light is installed on the movable plate, the indicator light, the first electrode plate and the second electrode plate are electrically connected, when detecting whether the motor shaft is bent, after the motor shaft is clamped and fixed, the screw is moved to make the movable rod drive the rod cap to move, and when the rod cap moves to contact with the surface of the shaft After the touch, continue to move the movable rod, the spring is squeezed by force, and when the movable rod drives the first electrode plate to contact the second electrode plate, the indicator light is powered on and becomes bright. At this time, the movable rod can be fixed in the current position through the action of the lock nut, so that the indicator light remains bright, and then the motor is started to rotate the gear. With the cooperation of the teeth, the annular plate drives the clamped and fixed shaft to rotate, so that the rotation of the shaft can be detected. When the shaft rotates one circle and the indicator light remains bright, it means that the shaft at this part is in a straight state. When the motor shaft at this part is convex, the convex part of the shaft will be stuck by the rod cap when it rotates to contact with the rod cap, and the shaft will stop rotating. When the motor shaft at this part is concave, the rod cap drives the second electrode plate to move through the action of the spring, so that it is separated from the first electrode plate, and the indicator light becomes dark. The above two situations indicate that the shaft is in a bent state. By pushing the movable plate, multiple parts of the motor shaft can be detected, so that it can quickly determine whether the motor axis is straight, and at the same time ensure the accuracy of the detection result.

[0007] Preferably, both ends of the top of the base are fixed with fixing plates, annular grooves are provided on the two fixing plates, two mounting grooves are provided on the bottom sides of the two annular grooves, and auxiliary guide wheels are rotatably installed at the bottom of each mounting groove. When the device is used, the auxiliary guide wheels are provided to reduce the friction between the annular plate and the annular groove, and to assist the rotation of the annular plate.

[0008] Preferably, an annular plate is rotatably installed in both annular grooves, a plurality of teeth are mounted on the outer circumferential surface of one end of the annular plate, and the plurality of teeth are arranged around the annular plate, an electric motor is installed on the top of the fixed plate, a gear is installed on the output end of the motor, and the gear and the teeth are meshed with each other, when the rotation detection of the rotating shaft is performed, the clamped and fixed rotating shaft can be rotated through the operation of the motor, so that the rotation detection of the rotating shaft can be performed, and then the rotating shaft can be fully detected, thereby improving the detection efficiency.

[0009] Preferably, the annular plate is provided with three square holes, each of which is inserted with a lifting plate, the bottom end of each lifting plate is fixedly connected with an arc-shaped clamping plate, and the arc-shaped clamping plate is arranged in an annular groove, a limiting ring is sleeved on the outer surface of the annular plate, a rotating ring is rotatably installed on the annular plate, and the rotating ring is arranged closely to the limiting ring, a handle is fixed on the rotating ring, three limiting grooves are provided on the rotating ring, each of which is inserted with a limiting rod, and one end of the limiting rod is fixedly connected to the lifting plate, wherein The other end of a limit rod is provided with a locking cap. When clamping and fixing the motor shaft, the two ends of the shaft are respectively placed in the two annular plates, and then the handle is rotated to make the rotating ring drive the limit rod to move along the limit groove, and then the lifting plate drives the arc clamping plate to move vertically in the vertical direction until the three arc clamping plates are in contact with the surface of the shaft. The locking cap can be used to fix the arc clamping plate in the current position, so that the shaft can be clamped and fixed, which is convenient for subsequent rotation detection of the shaft.

[0010] The utility model is beneficial in that:

[0011] 1. When the utility model is testing, the screw rod is moved to make the movable rod drive the rod cap to move. When the rod cap moves to contact the surface of the rotating shaft, the movable rod is continued to be moved, and the spring is squeezed by force. When the movable rod drives the first electrode plate to contact the second electrode plate, the indicator light is powered on and becomes bright. At this time, the movable rod can be fixed in the current position through the action of the lock nut, so that the indicator light remains bright. Then the motor is started to rotate the gear. Under the cooperation of the teeth, the annular plate drives the clamped and fixed rotating shaft to rotate, so that the rotation of the rotating shaft can be detected. When the rotating shaft rotates one circle and the indicator light remains bright, it means that the rotating shaft at this position is in a straight state.

[0012] 2. In the utility model, when the motor shaft at this part is convex, the convex part of the shaft will be stuck by the rod cap when it contacts the rod cap, and the shaft will stop rotating. When the motor shaft at this part is concave, the rod cap drives the second electrode plate to move through the action of the spring, so that it is separated from the first electrode plate, and the indicator light becomes dark. The above two situations indicate that the shaft is in a bent state. By pushing the moving plate, multiple parts of the motor shaft can be detected, so that it can quickly determine whether the motor axis is straight, and at the same time ensure the accuracy of the detection result;

[0013] 3. When the utility model clamps and fixes the motor shaft, the two ends of the shaft are respectively placed in two annular plates, and then the handle is rotated to make the rotating ring drive the limit rod to move along the limit groove, and then the lifting plate drives the arc clamping plate to move vertically in the vertical direction, until the three arc clamping plates are in contact with the surface of the shaft, and the arc clamping plates are fixed in the current position through the action of the locking cap, so that the shaft can be clamped and fixed, which is convenient for the subsequent rotation detection operation of the shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a schematic diagram of the overall main view three-dimensional structure;

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the detection component;

[0017] Figure 3 It is a schematic diagram of the cutaway three-dimensional structure of the movable rod and the rod cap;

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the auxiliary rotating assembly;

[0019] Figure 5 It is a schematic diagram of the three-dimensional structure of the clamping mechanism;

[0020] Figure 6 It is a schematic diagram of the three-dimensional structure of the annular plate assembly.

[0021] In the figure: 1. base; 2. slide groove; 3. movable plate; 4. horizontal plate; 5. guide groove; 6. screw rod; 7. movable rod; 8. rod cap; 9. spring; 10. first electrode plate; 11. second electrode plate; 12. indicator light; 13. fixed plate; 14. annular groove; 15. mounting groove; 16. guide wheel; 17. annular plate; 18. limit ring; 19. rotating ring; 20. handle; 21. limit groove; 22. limit rod; 23. locking cap; 24. lifting plate; 25. arc clamping plate; 26. teeth; 27. motor; 28. gear. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3As shown, a motor shaft detection device comprises a base 1; a slide groove 2 is provided on the base 1, a movable plate 3 is movably installed in the slide groove 2, a rod hole is provided on the movable plate 3, a movable rod 7 is inserted in the rod hole, a rod cap 8 is sleeved on one end of the movable rod 7, a spring 9 is fixedly connected between the rod cap 8 and the movable rod 7, a first electrode plate 10 is installed on the movable rod 7, a second electrode plate 11 is installed in the rod cap 8, and the first electrode plate 10 and the second electrode plate 11 are both arranged in the spring 9, a horizontal plate 4 is fixedly connected to the movable plate 3, and a guide The guide groove 5 is provided with a screw rod 6, and the screw rod 6 passes through the movable rod 7. A nut is fixedly connected to the top of the screw rod 6, and a locking nut is mounted on the bottom of the screw rod 6. An indicator light 12 is installed on the movable plate 3, and the indicator light 12, the first electrode plate 10 and the second electrode plate 11 are electrically connected. After the motor shaft is clamped and fixed, when detecting whether the motor shaft is bent, the screw rod 6 is moved to make the movable rod 7 drive the rod cap 8 to move. When the rod cap 8 moves to contact the surface of the shaft, the movable rod 7 continues to move, and the spring 9 is squeezed by force. When the movable rod 7 is moved, the spring 9 is squeezed. After the rod 7 drives the first electrode plate 10 to contact the second electrode plate 11, the indicator light 12 is powered on and becomes bright. At this time, the movable rod 7 can be fixed in the current position through the action of the lock nut, so that the indicator light 12 remains bright. Then the motor 27 is started to rotate the gear 28. With the cooperation of the teeth 26, the annular plate 17 drives the clamped and fixed shaft to rotate, so that the rotation of the shaft can be detected. When the shaft rotates one circle and the indicator light 12 remains bright, it means that the shaft at this part is in a straight state. When the motor shaft is raised at a certain position, the raised part of the shaft will be stuck by the rod cap 8 when it contacts the rod cap 8, and the shaft will stop rotating. When the motor shaft at this position is sunken, the rod cap 8 drives the second electrode plate 11 to move through the action of the spring 9, so that it is separated from the first electrode plate 10, and the indicator light 12 becomes dark. The above two situations indicate that the shaft is in a bent state. By pushing the moving plate 3, multiple parts of the motor shaft can be detected, so that it can quickly determine whether the motor axis is straight, while ensuring the accuracy of the detection result.

[0024] See also Figure 1 and Figure 4As shown, both ends of the top of the base 1 are fixedly connected with a fixing plate 13, and an annular groove 14 is provided on the two fixing plates 13. Two mounting grooves 15 are provided on the bottom sides of the two annular grooves 14. An auxiliary guide wheel 16 is rotatably installed at the bottom of each mounting groove 15. An annular plate 17 is rotatably installed in the two annular grooves 14. A plurality of teeth 26 are mounted on the outer circumferential surface of one end of the annular plate 17, and the plurality of teeth 26 are arranged around the annular plate 17. A motor 27 is installed on the top of the fixing plate 13, and a gear 28 is installed on the output end of the motor 27, and the gear 28 and the teeth 26 are meshed with each other. When the rotation detection of the rotating shaft is performed, the motor 27 is operated to rotate the gear 28, and the annular plate 17 drives the clamped and fixed rotating shaft to rotate with the cooperation of the teeth 26, so that the rotation detection of the rotating shaft can be performed, and then the rotating shaft can be fully detected, thereby improving the detection efficiency.

[0025] See also Figure 1 and Figure 5-6 As shown, three square holes are provided on the annular plate 17, and a lifting plate 24 is inserted in each square hole. An arc-shaped clamping plate 25 is fixedly connected to the bottom end of each lifting plate 24, and the arc-shaped clamping plate 25 is arranged in the annular groove 14. A limit ring 18 is sleeved on the outer surface of the annular plate 17, and a rotating ring 19 is rotatably installed on the annular plate 17, and the rotating ring 19 is arranged closely to the limit ring 18. A handle 20 is fixedly connected to the rotating ring 19, and three limit grooves 21 are provided on the rotating ring 19, and a limit rod 22 is inserted in each limit groove 21, and one end of the limit rod 22 is fixedly connected to the lifting plate 24. The other end of one of the limit rods 22 is provided with a locking cap 23; when clamping and fixing the motor shaft, the two ends of the shaft are respectively placed in the two annular plates 17, and then the handle 20 is rotated to make the rotating ring 19 drive the limit rod 22 to move along the limit groove 21, and then the lifting plate 24 drives the arc clamping plate 25 to move vertically in the vertical direction until the three arc clamping plates 25 are in contact with the surface of the shaft, and then the locking cap 23 is used to fix the arc clamping plate 25 in the current position, so that the shaft can be clamped and fixed, which is convenient for the subsequent rotation detection operation of the shaft.

[0026] Working principle: Since the above-mentioned motor shaft detection device has some problems when in use, after the motor shaft is completely calibrated, the axis center of the motor shaft is monitored by an electronic detector. During the detection, the axis centers of various parts of the motor shaft cannot be quickly and effectively proofread, the detection rate is slow, and there are errors in the accuracy of the detection; therefore, a motor shaft detection device is proposed to address the above problems; after the motor shaft is clamped and fixed, when detecting whether the motor shaft is bent, the screw rod 6 is moved to make the movable rod 7 drive the rod cap 8 to move, and when the rod cap 8 moves to contact the surface of the shaft, the movable rod 7 continues to be moved, and the spring 9 is squeezed by force. When the movable rod 7 drives the first electrode plate 10 to contact the second electrode plate 11, the indicator light 12 is powered on and becomes bright. At this time, the movable rod 7 can be fixed in the current position through the action of the lock nut, so that the indicator light 12 remains in a bright state. Then, the motor 27 is started to rotate the gear 28. With the cooperation of the teeth 26, the annular plate 17 drives the clamped and fixed shaft to rotate, so that the rotation of the shaft can be detected. When the shaft rotates one circle and the indicator light 12 remains on, it means that the shaft at this position is in a straight state. When the motor shaft at this position is convex, the convex part of the shaft rotates to contact the rod cap 8 and is stuck by the rod cap 8, and the shaft stops rotating. When the motor shaft at this position is concave, the rod cap 8 drives the second electrode plate 11 to move and separate it from the first electrode plate 10 through the action of the spring 9, and the indicator light 12 becomes dark. The above two situations indicate that the shaft is in a bent state. By pushing the moving plate 3, multiple parts of the motor shaft can be detected, so that it can quickly determine whether the motor axis is straight, while ensuring the accuracy of the detection result.

[0027] When clamping and fixing the motor shaft, the two ends of the shaft are respectively placed in the two annular plates 17, and then the handle 20 is rotated to make the rotating ring 19 drive the limiting rod 22 to move along the limiting groove 21, and then the lifting plate 24 drives the arc clamping plate 25 to move vertically in the vertical direction until the three arc clamping plates 25 are in contact with the surface of the shaft. The arc clamping plates 25 are fixed in the current position through the action of the locking cap 23, so that the shaft can be clamped and fixed, which is convenient for the subsequent rotation detection operation of the shaft.

[0028] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A motor shaft detection device, characterized in that: The invention comprises a base (1); a slide groove (2) is provided on the base (1); a movable plate (3) is movably installed in the slide groove (2); a rod hole is provided on the movable plate (3); a movable rod (7) is inserted into the rod hole; a rod cap (8) is sleeved on one end of the movable rod (7); a spring (9) is fixedly connected between the rod cap (8) and the movable rod (7); a first electrode plate (10) is installed on the movable rod (7); a second electrode plate (11) is installed in the rod cap (8); and the first electrode plate (10) and the second electrode plate (11) are connected to each other. The plates (11) are all arranged in the spring (9), the movable plate (3) is fixedly connected to a transverse plate (4), the transverse plate (4) is provided with a guide groove (5), a screw rod (6) is inserted into the guide groove (5), and the screw rod (6) passes through the movable rod (7), a nut is fixedly connected to the top of the screw rod (6), and a locking nut is sleeved on the bottom of the screw rod (6), an indicator light (12) is installed on the movable plate (3), and the indicator light (12), the first electrode plate (10) and the second electrode plate (11) are electrically connected.

2. A motor shaft detection device according to claim 1, characterized in that: Both ends of the top of the base (1) are fixedly connected to fixing plates (13), annular grooves (14) are provided on the two fixing plates (13), two mounting grooves (15) are provided on the bottom sides of the two annular grooves (14), and auxiliary guide wheels (16) are rotatably mounted on the bottom of each mounting groove (15).

3. A motor shaft detection device according to claim 2, characterized in that: An annular plate (17) is rotatably mounted in each of the two annular grooves (14); a plurality of teeth (26) are mounted on an outer circumferential surface of one end of the annular plate (17); and the plurality of teeth (26) are arranged around the annular plate (17); a motor (27) is mounted on the top of the fixed plate (13); a gear (28) is mounted on the output end of the motor (27); and the gear (28) and the teeth (26) are meshed with each other.

4. A motor shaft detection device according to claim 3, characterized in that: The annular plate (17) is provided with three square holes, each of which is penetrated by a lifting plate (24), and each lifting plate (24) is fixedly connected to an arc-shaped clamping plate (25) at the bottom end, and the arc-shaped clamping plate (25) is arranged in the annular groove (14).

5. A motor shaft detection device according to claim 3, characterized in that: A limit ring (18) is sleeved on the outer surface of the annular plate (17), a rotating ring (19) is rotatably mounted on the annular plate (17), and the rotating ring (19) is arranged in close contact with the limit ring (18), and a handle (20) is fixedly connected to the rotating ring (19).

6. A motor shaft detection device according to claim 5, characterized in that: The rotating ring (19) is provided with three limit grooves (21), each of which is inserted with a limit rod (22), and one end of the limit rod (22) is fixedly connected to the lifting plate (24), and the other end of one of the limit rods (22) is sleeved with a locking cap (23).

Images