Module motor end concentricity detection device

Abstract

The utility model relates to a module motor end concentricity detection device, and aims to solve the technical problems that a clamping plate in the device is always attached and propped against the inner wall of a lifting cylinder due to the influence of spring tension, and the long-time propping contact is easy to cause the abrasion of a contact surface, so that the clamping effect is influenced, and the detection error is easy to generate. A driving assembly is arranged at the middle end of the top of the base, a plurality of connecting rods are evenly distributed at the top of the driving assembly, a limiting mechanism is connected to the tops of the connecting rods, and an adjusting mechanism is arranged outside the limiting mechanism; the limiting motor effectively drives the driving bevel gear to rotate, so that the driven bevel gear matched and meshed with the driving bevel gear is driven to rotate, the screw is driven to rotate, meanwhile, due to the influence of limiting of the groove frame, the threaded block, the supporting rod and the clamping frames can horizontally move in the groove frame, and the distance between the two clamping frames can be conveniently adjusted; and the two groups of clamping frames are annularly distributed, so that the motor shell to be detected can be accurately centered and limited.

Description

Technical Field

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

[0002] A motor is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. The main function of a motor is to generate driving torque. As a power source for electrical appliances or various machines, the main function of a generator is to convert mechanical energy into electrical energy.

[0003] During the motor module production process, after the motor housing is produced, its concentricity needs to be checked and tested so that it can better cooperate with the internal parts of the motor during operation.

[0004] Patent No. CN218443688U discloses a motor housing concentricity detection device, including a base plate, a detection unit and a housing fixing unit; base plate: a rotating barrel is rotatably installed on the middle part of the upper surface through a bearing shaft, and a switch group is fixedly installed on one side of the upper surface of the base plate; the detection unit: includes a screw, a lifting seat, a limit rod, a movable plate, a dial indicator and a lifting electric push rod, the lifting electric push rod is provided with two, the lower ends of the two lifting electric push rods are fixedly connected to the two sides of the upper surface of the base plate, the upper ends of the two lifting electric push rods are fixedly connected to the lower surface of the U-shaped lifting seat, the screw is provided with two, the motor housing concentricity detection device can clamp and detect motor housings of different specifications, improve the versatility of the detection device, and enable the dial indicator to move up and down to detect any position of the motor housing, improve the accuracy of the motor housing concentricity detection result, and facilitate use.

[0005] However, the above-mentioned motor housing concentricity detection device still has the following shortcomings:

[0006] Although the above device can drive the lifting cylinder to move upward by fixing the electric push rod, so that the lifting cylinder pushes the inclined surfaces at the lower ends of the four clamps, so that the four clamps can move inward at the same time to clamp the motor housing, but the clamps are always in contact with the inner wall of the lifting cylinder due to the spring tension. Long-term pressing contact is likely to cause wear of the contact surface, thereby affecting the clamping effect, and then easily causing detection errors. In view of this, we propose a module motor end concentricity detection device. Utility Model Content

[0007] The purpose of the utility model is to overcome the deficiencies of the prior art, meet actual needs, and provide a module motor end concentricity detection device to solve the technical problem that the clamping plate in the above-mentioned device is always in contact with the inner wall of the lifting cylinder due to the influence of spring tension, and long-term pressing contact is easy to cause contact surface wear, thereby affecting the clamping effect, and then easily causing detection errors.

[0008] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is: design a module motor end concentricity detection device, including a base, a driving assembly is provided at the middle end of the top of the base, a plurality of connecting rods are evenly distributed on the top of the driving assembly, the top of the connecting rod is connected to a limiting mechanism, and an adjustment mechanism is provided outside the limiting mechanism;

[0009] The limiting mechanism includes a limiting frame, which is fixed to the top of the connecting rod, and a plurality of slot frames are evenly distributed on the outside of the limiting frame. An active bevel gear is provided at the bottom end of the limiting frame, a shaft rod is fixedly connected to the middle of the active bevel gear, and a limiting motor is connected to the bottom end of the shaft rod. Two groups of driven bevel gears are matched and meshed on the surface of the active bevel gear, a screw rod is fixedly connected to the inside of the driven bevel gear, a threaded block is sleeved on the outside of the screw rod, a support rod is fixedly connected to the top of the threaded block, and a bracket is connected to the end of the support rod away from the threaded block.

[0010] Preferably, the limit motor forms a meshing transmission structure through the driving bevel gear and the driven bevel gear, and the two groups of the driven bevel gears are evenly distributed on the surface of the driving bevel gear.

[0011] Preferably, the threaded block is threadedly connected to the screw rod, and the threaded block is matched and engaged inside the slot frame.

[0012] Preferably, the driving assembly comprises a fixing frame, the fixing frame is fixed to the middle end of the top of the base, a driving motor is arranged inside the fixing frame, and a movable end of the driving motor is connected to a rotating frame.

[0013] Preferably, the rotating frame is movably engaged in the interior of the fixed frame, and the rotating frame is connected to the limiting mechanism through a connecting rod.

[0014] Preferably, the adjustment mechanism includes a vertical pole, which is fixed on both sides of the base surface, a hydraulic cylinder is embedded in the vertical pole, the movable end of the hydraulic cylinder is connected to a bracket, a slide groove is provided on the top of the bracket, an electric push rod 1 is provided on one side of the inner wall of the bracket, and an electric push rod 2 is provided on the other side of the inner wall of the bracket, the movable ends of the electric push rod 1 and the electric push rod 2 are both connected to movable plates, and a dial indicator is provided on the surface of the movable plate.

[0015] Preferably, the upper end of the movable plate is matched and engaged in the sliding groove, and the upper end of the movable plate is T-shaped.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model effectively drives the active bevel gear to rotate through the limit motor, thereby driving the driven bevel gear that matches and meshes with the active bevel gear to rotate, and then drives the screw to rotate. At the same time, affected by the limit of the slot frame, the threaded block, the support rod and the bracket can be translated inside the slot frame, which is convenient for adjusting the distance between the two sets of brackets. Since the two sets of brackets are distributed in a ring shape, the motor housing to be tested can be accurately centered.

[0018] 2. In the utility model, the rotating frame is effectively driven to rotate by the driving motor, thereby driving the connecting rod and the limit mechanism to rotate, and then driving the required detection motor housing clamped inside the limit mechanism to rotate, so as to assist the subsequent detection of the concentricity of the motor housing.

[0019] 3. In the utility model, the hydraulic cylinder is used to effectively drive the bracket to move downward, so that a group of dial indicators on the inner side of the bracket are moved to the inner and outer walls of the motor housing to be inspected, and then the end movable plate is driven to translate by electric push rod 1 and electric push rod 2, so that a group of dial indicators are respectively in contact with the inner and outer walls of the motor housing to be inspected, and the matching engagement between the upper end of the movable plate and the slide groove can improve the translation stability of the movable plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model;

[0022] Figure 3 It is a schematic diagram of the partial disassembled structure of the utility model;

[0023] In the figure: 1. base; 2. driving assembly; 3. connecting rod; 4. limiting mechanism; 5. adjusting mechanism;

[0024] 201, fixed frame; 202, driving motor; 203, rotating frame;

[0025] 401, limit frame; 402, slot frame; 403, active bevel gear; 404, limit motor; 405, driven bevel gear; 406, screw rod; 407, thread block; 408, support rod; 409, bracket;

[0026] 501, vertical pole; 502, hydraulic cylinder; 503, bracket; 504, slide; 505, electric push rod 1; 506, electric push rod 2; 507, movable plate; 508, dial indicator. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0028] A module motor end concentricity detection device, see Figures 1 to 3 , comprising a base 1, a driving assembly 2 is provided at the middle end of the top of the base 1, a plurality of connecting rods 3 are evenly distributed on the top of the driving assembly 2, a limiting mechanism 4 is connected to the top of the connecting rod 3, and an adjusting mechanism 5 is provided outside the limiting mechanism 4;

[0029] The limiting mechanism 4 includes a limiting frame 401, which is fixed to the top of the connecting rod 3. A plurality of slot frames 402 are evenly distributed on the outside of the limiting frame 401. An active bevel gear 403 is provided at the bottom end of the limiting frame 401. A shaft is fixed to the middle of the active bevel gear 403. The bottom end of the shaft is connected to a limiting motor 404. Two sets of driven bevel gears 405 are matched and meshed on the surface of the active bevel gear 403. The limiting motor 404 is connected to the driven bevel gear 405 through the active bevel gear 403. 05 constitutes a meshing transmission structure, two sets of driven bevel gears 405 are evenly distributed on the surface of the driving bevel gear 403, a screw rod 406 is fixedly connected inside the driven bevel gear 405, a threaded block 407 is sleeved outside the screw rod 406, further, the threaded block 407 and the screw rod 406 are threadedly connected, the threaded block 407 is matched and engaged with the inside of the slot frame 402, a support rod 408 is fixedly connected to the top of the threaded block 407, and the end of the support rod 408 away from the threaded block 407 is connected to a bracket 409. The utility model effectively drives the active bevel gear 403 to rotate through the limiting motor 404, thereby driving the driven bevel gear 405 that matches and meshes with the active bevel gear 403 to rotate, and then drives the screw 406 to rotate. At the same time, affected by the limiting position of the slot frame 402, the threaded block 407, the support rod 408 and the bracket 409 can translate inside the slot frame 402, so as to facilitate the adjustment of the distance between the two groups of brackets 409. Since the two groups of brackets 409 are distributed in a ring shape, the motor housing required for detection can be accurately centered.

[0030] It is worth noting that the driving assembly 2 includes a fixing frame 201, the fixing frame 201 is fixed to the middle end of the top of the base 1, a driving motor 202 is arranged inside the fixing frame 201, and a rotating frame 203 is connected to the movable end of the driving motor 202, wherein the rotating frame 203 is movably engaged inside the fixing frame 201, and the rotating frame 203 is connected to the limiting mechanism 4 through the connecting rod 3. In the utility model, the rotating frame 203 is effectively driven to rotate by the driving motor 202, thereby driving the connecting rod 3 and the limiting mechanism 4 to rotate, and then driving the required detection motor housing clamped inside the limiting mechanism 4 to rotate, so as to assist the subsequent detection of the concentricity of the motor housing.

[0031] It is worth mentioning that the adjustment mechanism 5 includes a vertical rod 501, which is fixed on both sides of the surface of the base 1, and a hydraulic cylinder 502 is embedded in the vertical rod 501. The movable end of the hydraulic cylinder 502 is connected to a bracket 503, and a slide groove 504 is provided on the top of the bracket 503. An electric push rod 1 505 is provided on one side of the inner wall of the bracket 503, and an electric push rod 2 506 is provided on the other side of the inner wall of the bracket 503. The movable ends of the electric push rod 1 505 and the electric push rod 2 506 are both connected to a movable plate 507, wherein the upper end of the movable plate 507 is matched and engaged with the inside of the slide groove 504, the upper end of the movable plate 507 is T-shaped, and a dial indicator 508 is provided on the surface of the movable plate 507. In the utility model, the hydraulic cylinder 502 is used to effectively drive the bracket 503 to move downward, so that a group of dial indicators 508 on the inner side of the bracket 503 are respectively moved to the inner and outer wall sides of the motor housing to be inspected, and then the end movable plate 507 is respectively driven to translate by the electric push rod 1 505 and the electric push rod 2 506, so that a group of dial indicators 508 are respectively in contact with the inner and outer walls of the motor housing to be inspected, and the matching engagement between the upper end of the movable plate 507 and the slide groove 504 can improve the translation stability of the movable plate 507.

[0032] Working principle: The operator places the motor housing to be inspected on the inner side of the two sets of brackets 409, and drives the active bevel gear 403 to rotate through the limit motor 404, thereby driving the driven bevel gear 405 that matches and meshes with the active bevel gear 403 to rotate, and then drives the screw 406 to rotate. At the same time, affected by the limit of the slot frame 402, the threaded block 407, the support rod 408 and the bracket 409 translate inside the slot frame 402, which is convenient for adjusting the distance between the two sets of brackets 409. Since the two sets of brackets 409 are distributed in a ring shape, the motor housing to be inspected can be accurately centered and limited. Then, the bracket 503 is driven downward by the hydraulic cylinder 502, so that the inner side of the bracket 503 A set of dial indicators 508 are respectively moved to the inner and outer wall sides of the motor housing to be inspected, and then the end movable plate 507 is driven to translate by the electric push rod 1 505 and the electric push rod 2 506, so that a set of dial indicators 508 are respectively in contact with the inner and outer walls of the motor housing to be inspected, and then the rotating frame 203 is driven to rotate by the driving motor 202, thereby driving the connecting rod 3 and the limiting mechanism 4 to rotate, and then driving the motor housing to be inspected clamped inside the limiting mechanism 4 to rotate, and a set of dial indicators 508 detects the errors of the inner and outer sides of the motor housing, and the errors detected by the dial indicators 508 will be directly output, and the operator can judge the concentricity of the motor housing through the data output by the dial indicators 508.

[0033] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A module motor end concentricity detection device, comprising a base (1), characterized in that: A driving assembly (2) is provided at the middle of the top of the base (1); a plurality of connecting rods (3) are evenly distributed on the top of the driving assembly (2); a limiting mechanism (4) is connected to the top of the connecting rod (3); and an adjusting mechanism (5) is provided outside the limiting mechanism (4); The limiting mechanism (4) comprises a limiting frame (401), wherein the limiting frame (401) is fixed to the top of the connecting rod (3), a plurality of slot frames (402) are evenly distributed on the outside of the limiting frame (401), an active bevel gear (403) is provided at the bottom end of the limiting frame (401), a shaft is fixedly connected to the middle of the active bevel gear (403), the bottom end of the shaft is connected to a limiting motor (404), two groups of driven bevel gears (405) are matched and meshed on the surface of the active bevel gear (403), a screw rod (406) is fixedly connected to the inside of the driven bevel gear (405), a threaded block (407) is sleeved on the outside of the screw rod (406), a support rod (408) is fixedly connected to the top of the threaded block (407), and a clamping frame (409) is connected to the end of the support rod (408) away from the threaded block (407).

2. The module motor end concentricity detection device according to claim 1, characterized in that: The limit motor (404) forms a meshing transmission structure with the driven bevel gear (405) through the driving bevel gear (403), and the two groups of driven bevel gears (405) are evenly distributed on the surface of the driving bevel gear (403).

3. The module motor end concentricity detection device according to claim 1, characterized in that: The threaded block (407) is threadedly connected to the screw rod (406), and the threaded block (407) is matched and engaged with the inside of the slot frame (402).

4. The module motor end concentricity detection device according to claim 1, characterized in that: The driving assembly (2) comprises a fixing frame (201), the fixing frame (201) being fixed to the middle end of the top of the base (1), a driving motor (202) being arranged inside the fixing frame (201), and a rotating frame (203) being connected to a movable end of the driving motor (202).

5. The module motor end concentricity detection device according to claim 4, characterized in that: The rotating frame (203) is movably engaged in the interior of the fixed frame (201), and the rotating frame (203) is connected to the limiting mechanism (4) via a connecting rod (3).

6. The module motor end concentricity detection device according to claim 1, characterized in that: The adjustment mechanism (5) comprises a vertical rod (501), wherein the vertical rod (501) is fixed to both sides of the surface of the base (1), a hydraulic cylinder (502) is embedded inside the vertical rod (501), a movable end of the hydraulic cylinder (502) is connected to a bracket (503), a slide groove (504) is provided on the top of the bracket (503), an electric push rod 1 (505) is provided on one side of the inner wall of the bracket (503), and an electric push rod 2 (506) is provided on the other side of the inner wall of the bracket (503), and the movable ends of the electric push rod 1 (505) and the electric push rod 2 (506) are both connected to a movable plate (507), and a dial indicator (508) is provided on the surface of the movable plate (507).

7. The module motor end concentricity detection device according to claim 6, characterized in that: The upper end of the movable plate (507) is matched and engaged with the inside of the slide groove (504), and the upper end of the movable plate (507) is T-shaped.

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