Preposed tool frame of hysteresis dynamometer

By designing a front fixture for the hysteresis dynamometer with an automatic replacement and positioning mechanism, the problem of low efficiency in batch testing of motors in existing technologies has been solved, enabling continuous testing of multiple motors and improving safety.

CN223581225UActive Publication Date: 2025-11-21HANGZHOU KEDI TECH CO LTD
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Patent Information

Application Number
CN202520008966.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-11-21
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

The existing hysteresis dynamometer front fixture can only position a single motor at a time, which leads to frequent disassembly and assembly during mass production testing of motors, affecting work efficiency.

Method used

A front fixture for a hysteresis dynamometer, comprising an automatic replacement mechanism, a motor positioning mechanism, and a heat dissipation mechanism, was designed to enable simultaneous positioning and automatic replacement of multiple motors. The automatic replacement mechanism enables continuous testing of the motors, and the heat dissipation mechanism prevents the motors from overheating.

Benefits of technology

This improves the efficiency and applicability of motor testing, avoids frequent motor replacement operations, and ensures the safety of the motor during the testing process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a hysteresis dynamometer preposed tooling frame, which comprises a base, a hysteresis dynamometer main body and a tested motor main body, the hysteresis dynamometer main body is fixedly arranged at the top of the base, the right side of the base is provided with an automatic replacement mechanism, the top of the automatic replacement mechanism is provided with a tested motor positioning mechanism, and the tested motor positioning mechanism is provided with a motor clamping mechanism. And a heat dissipation mechanism is arranged at the top of the automatic replacement mechanism. Through the overall design of the tested motor positioning mechanism, a plurality of tested motor main bodies can be positioned at the same time, then through the overall design of the automatic replacement mechanism, different tested motor main bodies can be shifted to the leftmost side of the rotating seat, and the tested motor main bodies can be driven to move left and right at the same time. According to the technical scheme of the invention, the connection or disconnection between the end part of the detected motor main body and the hysteresis dynamometer main body is promoted, so that the function of automatically and sequentially detecting the plurality of detected motor main bodies can be realized, the problem that an operator needs to frequently replace the detected motor main bodies is avoided, and the detection efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of magnetic hysteresis dynamometer front tooling frame, belong to motor detection device technical field. BACKGROUND

[0002] Magnetic hysteresis dynamometer is a kind of brake type dynamometer manufactured according to electromagnetic torque technology, mainly used to apply torque load to motor and absorb its power. Its working principle is based on the magnetic hysteresis performance characteristics of material. When the coil inside magnetic hysteresis dynamometer passes through current, magnetic line of force is generated and closed magnetic circuit is formed, magnetic line of force is distributed more densely in tooth pole part, and sparsely in tooth gap. When rotor rotates, induced potential is generated on magnetic hysteresis cup and eddy current is generated, and torque is generated by the interaction of eddy current and magnetic field. The size of the torque mainly depends on the current size of controller applied to dynamometer coil, and is basically irrelevant to the speed of motor driving dynamometer to rotate.

[0003] When magnetic hysteresis dynamometer detects motor, front tooling frame is needed to position motor. The existing front tooling frame can only position single motor at a time, and the operator needs to frequently disassemble and assemble motor during batch production and detection of motor, which affects work efficiency. UTILITY MODEL CONTENT

[0004] Based on the above background, the purpose of the utility model is to provide a kind of magnetic hysteresis dynamometer front tooling frame, to solve the problems in the background art.

[0005] In order to achieve the above utility model purpose, the utility model provides the following technical scheme:

[0006] A kind of magnetic hysteresis dynamometer front tooling frame, including base, magnetic hysteresis dynamometer main body and motor main body to be measured, the magnetic hysteresis dynamometer main body is fixedly installed at the top of base, the right side of base is provided with automatic replacement mechanism, the top of automatic replacement mechanism is provided with motor positioning mechanism to be measured, the top of automatic replacement mechanism is provided with heat dissipation mechanism.

[0007] The automatic replacement mechanism includes track bar, the track bar is fixedly installed at the right side of base, the right side of track bar is fixedly installed with expansion seat, the outer wall of track bar is slidably connected with sliding seat, the right side of expansion seat is fixedly installed with telescopic cylinder, the telescopic end of telescopic cylinder extends to the left side of expansion seat and is fixedly connected with object table, the object table is fixedly installed at the top of sliding seat, the bottom of object table is fixedly installed with stepper motor, the top of object table is rotatably connected with rotary seat, the output shaft of stepper motor is fixedly connected with the bottom of rotary seat.

[0008] As preferred, the measured motor positioning mechanism comprises a stand, the stand is fixedly installed on the top of the rotating base, a through hole is formed in the side of the stand, and an extension table is fixedly installed on the outer wall of the inner side of the stand.

[0009] As preferred, a clamping air cylinder is fixedly installed on the top of the extension table, and a clamping pressing strip is fixedly connected to the extension end of the clamping air cylinder.

[0010] As preferred, a movable seat is detachably connected to the outer wall of the inner side of the stand, a matching clamping piece is fixedly installed on the top of the movable seat, and the measured motor body is movably connected in the inner cavity of the matching clamping piece.

[0011] As preferred, the heat dissipation mechanism comprises a middle seat, the middle seat is fixedly installed on the top of the rotating base, a magnetic attraction block is fixedly installed on the inner wall of the middle seat, an iron block is movably inserted into the inner cavity of the middle seat, and the top of the magnetic attraction block is magnetically connected with the bottom of the iron block.

[0012] As preferred, a vertical cylinder is fixedly installed on the top of the iron block, and a strip-shaped net is fixedly installed on the side of the vertical cylinder.

[0013] As preferred, a handle is fixedly installed on the top of the vertical cylinder, a connecting pipe is fixedly connected to the top of the vertical cylinder, and a soft air pipe is threadedly connected to the top of the connecting pipe.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] Through the design of the measured motor positioning mechanism, multiple measured motor bodies can be positioned at the same time, through the design of the automatic replacement mechanism, different measured motor bodies can be replaced to the leftmost side of the rotating base, the measured motor bodies can be driven to move left and right, the end of the measured motor body and the hysteresis dynamometer body can be connected or disconnected, the function of automatically detecting multiple measured motor bodies in turn can be realized, the problem that the operator needs to frequently replace the measured motor body can be avoided, the detection efficiency is improved, and the measured motor positioning mechanism can position measured motor bodies of different sizes, and the applicability of the structure is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only the embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creating labor.

[0017] Figure 1The utility model discloses a three -dimensional structure schematic diagram for the utility model;

[0018] Figure 2 The utility model discloses a bottom structure schematic diagram for the automatic replacement mechanism of the utility model;

[0019] Figure 3 The utility model discloses a structure schematic diagram for the motor positioning mechanism of the utility model;

[0020] Figure 4 The utility model discloses a structure schematic diagram for the utility model vertical seat;

[0021] Figure 5 The utility model discloses a structure schematic diagram for the heat dissipation mechanism.

[0022] In the drawing: 1, base; 11, hysteresis dynamometer main body; 12, measured motor main body; 2, automatic replacement mechanism; 21, track rod; 22, sliding seat; 23, extension seat; 24, telescopic cylinder; 25, object table; 26, stepper motor; 27, rotating seat; 3, measured motor positioning mechanism; 31, vertical seat; 32, extension table; 33, clamping cylinder; 34, clamping pressure strip; 35, movable seat; 36, fit card piece; 4, heat dissipation mechanism; 41, middle seat; 42, magnetic attraction piece; 43, iron piece; 44, vertical cylinder; 45, strip net; 46, handle; 47, connecting pipe; 48, soft air pipe. DETAILED DESCRIPTION

[0023] The technical scheme of the utility model will be further explained in detail below by specific implementation examples and in connection with the drawings. It should be understood that the implementation of the utility model is not limited to the following examples, and any form of variation and / or change of the utility model will fall within the scope of protection of the utility model.

[0024] In the utility model, all the parts, percentages are weight units if not specified, and the adopted equipment and raw materials can be bought from the market or are commonly used in the field. The method in the following examples is the conventional method in the field if not specially stated. The components or equipment in the following examples are general standard components or components known by the person skilled in the art if not specially stated, and the structure and principle thereof can be known by the person skilled in the art through technical manual or through conventional experimental method.

[0025] The embodiments of the utility model will be explained in detail below in connection with the drawings, and in the following detailed explanation, many specific details are set forth in order to provide a comprehensive understanding of the embodiments of the utility model. However, one or more embodiments can be implemented by the person skilled in the art without these specific details.

[0026] As Figures 1-5The utility model provides a kind of hysteresis dynamometer front tool frame, including pedestal 1, hysteresis dynamometer main body 11 and measured motor main body 12, hysteresis dynamometer main body 11 is fixedly installed at the top of pedestal 1, the right side of pedestal 1 is provided with automatic replacement mechanism 2, the top of automatic replacement mechanism 2 is provided with measured motor positioning mechanism 3, the top of automatic replacement mechanism 2 is provided with heat dissipation mechanism 4, automatic replacement mechanism 2 includes track bar 21, track bar 21 is fixedly installed at the right side of pedestal 1, expansion seat 23 is fixedly installed at the right side of track bar 21, sliding seat 22 is slidably connected on the outer wall of track bar 21, expansion seat 23 is fixedly installed at the right side of expansion seat 23, and expansion seat 23 is fixedly connected with placing table 25, placing table 25 is fixedly installed at the top of sliding seat 22, and placing table 25 is fixedly installed at the bottom of placing table 25, and placing table 25 is rotatably connected with rotating seat 27, the output shaft of step motor 26 is fixedly connected with the bottom of rotating seat 27, the end of hysteresis dynamometer main body 11 is fixedly connected with hexagonal shaft, the end of measured motor main body 12 is fixedly connected with hexagonal sleeve, control expansion cylinder 24 to expand can push placing table 25, to make placing table 25 slide to the left on the outer wall of track bar 21 by sliding seat 22, to further can make the end of leftmost measured motor main body 12 and the end of hysteresis dynamometer main body 11 are inserted and connected, to facilitate hysteresis dynamometer main body 11 to the detection of the measured motor main body 12, after the detection of the measured motor main body 12, control expansion cylinder 24 is retracted and drives placing table 25 to reset as a whole, then control step motor 26 works, can drive rotating seat 27 to rotate as a whole, to further can change position the undetected measured motor main body 12 to the leftmost of rotating seat 27, to facilitate the continuous detection work.

[0027] In the embodiment, the measured motor positioning mechanism 3 includes a stand 31, which is fixedly installed on the top of the rotating seat 27. A through hole is formed in the side surface of the stand 31. An extension table 32 is fixedly installed on the outer wall of the inner side of the stand 31. A clamping cylinder 33 is fixedly installed on the top of the extension table 32. The extension end of the clamping cylinder 33 extends to the bottom of the extension table 32 and is fixedly connected with a clamping pressing strip 34. An activity seat 35 is detachably connected to the outer wall of the stand 31. The top of the activity seat 35 is fixedly installed with a matching clamping piece 36. The measured motor main body 12 is movably connected in the inner cavity of the matching clamping piece 36. The activity seat 35 is installed on the outer wall of the stand 31 by bolts. The activity seat 35 with different matching clamping pieces 36 can be replaced to match different specifications of the measured motor main body 12. The clamping cylinder 33 is controlled to expand, which can drive the clamping pressing strip 34 to move downward, and cooperate with the matching clamping piece 36 to realize the clamping and positioning function of the measured motor main body 12.

[0028] In the embodiment, the heat dissipation mechanism 4 comprises a middle seat 41 fixedly installed on the top of the rotating seat 27, a magnetic block 42 fixedly installed on the inner wall of the middle seat 41, an iron block 43 movably inserted into the inner cavity of the middle seat 41, the top of the magnetic block 42 is magnetically connected with the bottom of the iron block 43, the top of the iron block 43 is fixedly installed with a vertical cylinder 44, the side of the vertical cylinder 44 is fixedly installed with a strip-shaped net 45, the top of the vertical cylinder 44 is fixedly installed with a handle 46, the top of the vertical cylinder 44 is fixedly connected with a connecting pipe 47, the top of the connecting pipe 47 is threadedly connected with a flexible air pipe 48, the iron block 43 is inserted into the middle seat 41 in advance, the magnetic block 42 is designed to magnetically position the iron block 43, the end of the flexible air pipe 48 is connected with an external air source, the external air source can send air into the inner cavity of the vertical cylinder 44 through the flexible air pipe 48 and the connecting pipe 47, the air is sprayed to the measured motor body 12 through the strip-shaped net 45, the heat on the measured motor body 12 is taken away, the problem that the measured motor body 12 is damaged due to high temperature in the detection process is avoided, and the safety of detection is improved.

[0029] The working principle of the hysteresis dynamometer front tooling frame is as follows: in use, a plurality of measured motor bodies 12 are sequentially clamped in the inner cavities of the fitting clamping pieces 36, then the clamping cylinder 33 is controlled to stretch and drive the clamping pressing strips 34 to move downward, and the fitting clamping pieces 36 are matched to realize the function of clamping and positioning the measured motor bodies 12, then the telescopic cylinder 24 is controlled to stretch and drive the placement table 25, so that the placement table 25 is slid leftward on the outer wall of the track rod 21 by means of the sliding seat 22, so that the end of the leftmost measured motor body 12 is inserted and connected with the end of the hysteresis dynamometer body 11, then the hysteresis dynamometer body 11 can detect the measured motor body 12, after the detection is completed, the telescopic cylinder 24 is controlled to contract and drive the placement table 25 to reset as a whole, then the stepping motor 26 is controlled to work and drive the rotating seat 27 to rotate as a whole, so that the measured motor body 12 which has not been detected is transposed to the leftmost side of the rotating seat 27, and the above operation is repeated, so as to realize the function of continuously and automatically detecting a plurality of measured motor bodies 12.

[0030] The principle and implementation mode of the utility model are described by using specific examples in the paper, and the above examples are only used to help understand the method and core idea of the utility model. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the utility model without departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. A hysteresis dynamometer front tooling frame, comprising a base (1), a hysteresis dynamometer main body (11) and a measured motor main body (12), the hysteresis dynamometer main body (11) is fixedly installed on the top of the base (1), characterized in that: The right side of the base (1) is provided with an automatic replacement mechanism (2), the top of the automatic replacement mechanism (2) is provided with a measured motor positioning mechanism (3), and the top of the automatic replacement mechanism (2) is provided with a heat dissipation mechanism (4). The automatic replacement mechanism (2) comprises a track rod (21) fixedly installed on the right side of the base (1), an expansion seat (23) fixedly installed on the right side of the track rod (21), a sliding seat (22) slidably connected to the outer wall of the track rod (21), a telescopic air cylinder (24) fixedly installed on the right side of the expansion seat (23), a telescopic end of the telescopic air cylinder (24) extending to the left side of the expansion seat (23) and fixedly connected with a placement table (25), the placement table (25) being fixedly installed on the top of the sliding seat (22), a stepping motor (26) fixedly installed on the bottom of the placement table (25), a rotating seat (27) rotatably connected to the top of the placement table (25), and the output shaft of the stepping motor (26) being fixedly connected with the bottom of the rotating seat (27).

2. A hysteresis dynamometer front tool holder according to claim 1, characterized in that: The measured motor positioning mechanism (3) comprises a vertical seat (31) fixedly installed on the top of the rotating seat (27), and a through hole is formed in the side face of the vertical seat (31).

3. A hysteresis dynamometer front tool holder according to claim 2, characterized in that: A clamping air cylinder (33) is fixedly installed on the top of the extension table (32), a telescopic end of the clamping air cylinder (33) extending to the bottom of the extension table (32) and fixedly connected with a clamping pressing strip (34).

4. A hysteresis dynamometer front tool holder according to claim 3, wherein: A movable seat (35) is detachably connected to the outer wall of the inner side of the vertical seat (31), a fitting clamping piece (36) is fixedly installed on the top of the movable seat (35), and the measured motor body (12) is movably connected in the inner cavity of the fitting clamping piece (36).

5. A hysteresis dynamometer front tool holder according to claim 1, wherein: The heat dissipation mechanism (4) comprises a middle seat (41) fixedly installed on the top of the rotating seat (27), a magnetic attraction block (42) fixedly installed on the inner wall of the middle seat (41), an iron block (43) movably inserted into the inner cavity of the middle seat (41), and the top of the magnetic attraction block (42) being magnetically connected with the bottom of the iron block (43).

6. A hysteresis dynamometer front tool holder according to claim 5, wherein: A vertical cylinder (44) is fixedly installed on the top of the iron block (43), and a strip-shaped net (45) is fixedly installed on the side face of the vertical cylinder (44).

7. A hysteresis dynamometer front tool holder according to claim 6, wherein: A handle (46) is fixedly installed on the top of the vertical cylinder (44), a connecting pipe (47) is fixedly connected to the top of the vertical cylinder (44), and a soft air pipe (48) is threadedly connected to the top of the connecting pipe (47).