Dynamometer device for motor test

Abstract

The utility model discloses a dynamometer device for motor testing, which relates to the technical field of motor testing and comprises a working table, a rotating motor is fixedly mounted at the lower end of the working table, a fixing ring is fixedly connected to the left side of the upper end of the working table, and a loading disc is arranged at the upper end of the fixing ring. The output end of the rotating motor penetrates through the top plate of the workbench and is fixedly connected with the lower end of the carrying disc, a pair of supporting seats are symmetrically installed at the upper end of the carrying disc, installation cavities are formed in the supporting seats, and fixing mechanisms are fixedly installed in the installation cavities. The positions of the two supporting seats are replaced, that is, when the motor at one end is tested, the motor at the other end of the loading disc can be loaded and unloaded at the same time, the motor loading and unloading time is saved, meanwhile, vibration and impact in the motor detection process can be absorbed and converted through a spring damper in the fixing mechanism, and the detection accuracy is improved. And the stability of the motor in the detection process is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor test technical field, concretely relates to a dynamometer device for motor test. BACKGROUND

[0002] Motor refers to the electromagnetic device that realizes electric energy conversion or transmission according to electromagnetic induction law, and its main function is to generate drive torque, as the power source of electric appliance or various machinery, motor needs to be detected when being shipped, and is usually detected by motor dynamometer test device, and the dynamometer device for motor test (also called motor power test device) is a kind of equipment specially designed for measuring motor output power, efficiency, torque, rotating speed and other parameters, which helps users to evaluate motor performance by simulating load conditions of motor in actual operation.

[0003] When testing motor, motor needs to be installed by being respectively aligned and adjusted with power test equipment, and the conventional fixing mode mostly adopts bolt fixing, so that the process of installation and disassembly can easily consume a large amount of time, which leads to low motor test efficiency, and based on this, the present scheme provides a dynamometer device for motor test to solve the above problems. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, a dynamometer device for motor test is provided, and the present technical scheme solves the problems in the above background art.

[0005] In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows:

[0006] A dynamometer device for motor test, comprising a workbench, a rotating motor is fixedly installed at the lower end of the workbench, a fixed ring is fixedly connected to the upper end left side of the workbench, a load disc is arranged at the upper end of the fixed ring, the output end of the rotating motor penetrates through the top plate of the workbench and is fixedly connected to the lower end of the load disc, a pair of supporting seats are symmetrically installed at the upper end of the load disc, a pair of positioning grooves are symmetrically arranged at the upper end of the supporting seat, an installation cavity is arranged in the supporting seat, a fixing mechanism is fixedly installed in the installation cavity, a dynamometer main body is arranged at the right side of the supporting seat, and the dynamometer main body is fixedly installed at the upper end right side of the workbench.

[0007] Preferably, a through groove is arranged at the upper end of the fixed ring, a rotating ring is fixedly connected to the lower end of the load disc, the other end of the rotating ring is arranged in the through groove, a plurality of groups of ball bearings are rotatably installed at the lower end of the rotating ring, and the lower side surface of the ball bearing abuts against the inner wall of the bottom of the fixed ring.

[0008] Preferably, the fixing mechanism comprises a worm, the worm is rotatably arranged in the installation cavity, the outer end of the worm extends out of the installation cavity and is fixedly connected with a knob, the upper end of the worm is engagedly connected with a worm wheel, both ends of the worm wheel are fixedly connected with threaded rods, the other ends of the threaded rods are rotatably connected with the inner wall of the installation cavity, and the surface of the threaded rods is threadedly connected with a moving block.

[0009] Preferably, one end of the moving block close to the installation cavity is fixedly connected with a plurality of groups of fixing rods, the other ends of the fixing rods penetrate through the side wall of the support base and extend out to be fixedly connected with one end of a Y-shaped frame, and the upper end of the Y-shaped frame is fixedly connected with a pair of fixing plates.

[0010] Preferably, the opposite ends of the fixing plates are fixedly arranged with a pair of elastic expansion rods and spring dampers, the two elastic expansion rods are arranged on the upper and lower sides of the spring dampers respectively, and the other ends of the elastic expansion rods and the spring dampers are fixedly connected with the arc-shaped clamping plates.

[0011] Preferably, the upper end of the moving block is fixedly connected with a limiting rod, the other end of the limiting rod is slidably connected with the inner wall of the slide rail, and the slide rail is fixedly connected with the top inner wall of the positioning groove.

[0012] Compared with the prior art, the utility model provides a kind of dynamometer device for motor test, with the following beneficial effects:

[0013] 1. The utility model discloses a support base and fixing mechanism are provided, the position of the motor to be detected can be positioned quickly by positioning groove, after placing the motor to be detected on the support base, then starting fixing mechanism, by rotating knob, and then top worm rotates, worm rotates and drives worm wheel to rotate, worm wheel rotates and drives the threaded rod on both sides to rotate, threaded rod rotates and drives the moving block on its surface to move, and then drives Y-shaped frame to move towards or away from each other by fixed rod, when moving towards each other, two Y-shaped frames drive arc-shaped clamping plate to move towards motor by fixed plate and elastic expansion rod, until arc-shaped clamping plate clamps the both sides of motor, at this moment, the vibration and impact in motor detection process can be absorbed and converted by spring damper, ensure the stability of motor in detection process, improve detection effect, when moving away from each other, the motor is conveniently replaced.

[0014] 2. The utility model discloses a pair of support bases, and the two support bases are arranged on the carrier disc, and the carrier disc is driven by the driving motor to rotate on the surface of the fixing ring, so that the positions of the two support bases can be replaced, that is, when testing the motor at one end, the motor at the other end of the carrier disc can be loaded and unloaded at the same time, the motor loading and unloading time is saved, and the testing efficiency is high. ACCURACY OF DRAWINGS

[0015] Fig. 1 It is the whole structure schematic view of the utility model;

[0016] Fig. 2 It is the connecting structure schematic view of the carrier disc in the utility model;

[0017] Fig. 3 It is the structure schematic view of the fixing mechanism in the utility model.

[0018] The figure mark is:

[0019] 1, workbench;2, rotating motor;3, carrier disc;301, rotating ring;302, ball;4, fixed ring;5, support seat;501, positioning groove;502, installation cavity;6, fixing mechanism;601, worm;602, knob;603, worm wheel;604, threaded rod;605, moving block;606, fixed rod;607, Y-shaped frame;608, fixed plate;609, elastic telescopic rod;6010, arc clamping plate;6011, spring damper;6012, limiting rod;6013, slide rail;7, dynamometer main body. Specific implementation

[0020] The following description is used to disclose the utility model so that those skilled in the art can realize the utility model. The preferred embodiments in the following description are only as examples, and other obvious variants can be thought of by those skilled in the art.

[0021] Referring to Figs. 1-3 As shown in the figure, a kind of dynamometer device for motor test, including workbench 1, the lower end of workbench 1 is fixedly installed rotating motor 2, the upper end left side of workbench 1 is fixedly connected with fixed ring 4, the upper end of fixed ring 4 is provided with carrier disc 3, the output end of rotating motor 2 is through the top plate of workbench 1 and is fixedly connected with the lower end of carrier disc 3, the upper end of carrier disc 3 is symmetrically installed with a pair of support seat 5, a pair of positioning groove 501 is symmetrically opened in the upper end of support seat 5, installation cavity 502 is opened in the inside of support seat 5, fixing mechanism 6 is fixedly installed in the inside of installation cavity 502, dynamometer main body 7 is provided on the right side of support seat 5, and dynamometer main body 7 is fixedly installed on the upper end right side of workbench 1. The device is provided with support seat 5 and fixing mechanism 6, the position of the motor to be detected can be positioned quickly through positioning groove 501, after the motor to be detected is placed on support seat 5, the motor to be detected is clamped and positioned by fixing mechanism 6, the stability of motor in detection process is guaranteed, and detection effect is improved.

[0022] Specifically, in the embodiment, the upper end of the fixed ring 4 is provided with a through groove, the lower end of the carrier disc 3 is fixedly connected with a rotating ring 301, the other end of the rotating ring 301 is arranged in the through groove, the lower end of the rotating ring 301 is rotatably installed with a plurality of groups of rolling balls 302, the lower side surface of the rolling ball 302 abuts against the inner wall of the bottom of the fixed ring 4. The device is provided with a pair of support seats 5, and the two support seats 5 are arranged on the carrier disc 3. The carrier disc 3 is driven by the driving motor 2 and can rotate on the surface of the fixed ring 4, so that the positions of the two support seats 5 can be replaced. That is, when testing the motor at one end, the motor at the other end of the carrier disc 3 can be assembled and disassembled at the same time, the motor assembly and disassembly time is saved, and the testing efficiency is high.

[0023] Specifically, in the embodiment, the fixing mechanism 6 includes a worm 601, the worm 601 is rotatably installed in the inside of the installation cavity 502, the outside end of the worm 601 extends out of the installation cavity 502 and is fixedly connected with a knob 602, the upper end of the worm 601 is meshingly connected with a worm wheel 603, both ends of the worm wheel 603 are fixedly connected with threaded rods 604, the other end of the threaded rod 604 is rotatably connected with the inner wall of the installation cavity 502, and the surface of the threaded rod 604 is threadedly connected with a moving block 605. The worm 602 drives the worm wheel 603 to rotate, and then drives the threaded rod 604 to rotate. The worm wheel 603 and the worm 602 have self-locking characteristics, which can ensure that the clamping process will not be loose.

[0024] Specifically, in the embodiment, the moving block 605 is fixedly connected with a plurality of groups of fixed rods 606 close to one end of the installation cavity 502, and the other end of the fixed rod 606 penetrates through the side wall of the support seat 5 and extends out to be fixedly connected with one end of a Y-shaped frame 607. The upper end of the Y-shaped frame 607 is fixedly connected with a pair of fixed plates 608.

[0025] Specifically, in the embodiment, one end of the fixed plate 608 is fixedly provided with a pair of elastic telescopic rods 609 and a spring damper 6011, the two elastic telescopic rods 609 are arranged on the upper and lower sides of the spring damper 6011 respectively, and the other ends of the elastic telescopic rods 609 and the spring damper 6011 are fixedly connected with the arc-shaped clamping plate 6010. The position of the motor to be detected can be quickly positioned through the positioning groove 501. After the motor to be detected is placed on the support seat 5, the fixing mechanism 6 is started, the knob 601 is rotated, the top worm 602 is rotated, the worm 602 is rotated to drive the worm gear 603 to rotate, the worm gear 603 is rotated to drive the threaded rods 604 on the two sides to rotate, the threaded rods 604 are rotated to drive the moving blocks 605 on the surfaces of the threaded rods 604 to move, and then the Y-shaped frames 607 are driven to move towards or away from each other through the fixed rods 606. When moving towards each other, the two Y-shaped frames 607 drive the arc-shaped clamping plate 6010 to move towards the motor through the fixed plate 608 and the elastic telescopic rods 609, and the arc-shaped clamping plate 6010 clamps the two sides of the motor. At this time, the vibration and impact of the motor during detection can be absorbed and converted through the spring damper 6011, so that the stability of the motor during detection is ensured, the detection effect is improved, and the motor is conveniently replaced when moving away from each other.

[0026] Specifically, in the embodiment, the upper end of the moving block 605 is fixedly connected with a limiting rod 6012, the other end of the limiting rod 6012 is slidably connected with the inner wall of a sliding rail 6013, and the sliding rail 6013 is fixedly connected with the top inner wall of the positioning groove 501. The limiting rod 6012 and the sliding rail 6013 are matched with each other, so that the moving block 605 moves along the predetermined track.

[0027] The working principle of the utility model is: when the device is used, the motor at one end is tested, and the motor at the other end of the carrier disc 3 is simultaneously loaded and unloaded. At this time, the position of the motor to be detected can be quickly positioned through the positioning groove 501. After the motor to be detected is placed on the support seat 5, the fixing mechanism 6 is started, the knob 601 is rotated, the top worm 602 is rotated, the worm 602 is rotated to drive the worm gear 603 to rotate, the worm gear 603 is rotated to drive the threaded rods 604 on the two sides to rotate, the threaded rods 604 are rotated to drive the moving blocks 605 on the surfaces of the threaded rods 604 to move, and then the Y-shaped frames 607 are driven to move towards or away from each other through the fixed rods 606. When moving towards each other, the two Y-shaped frames 607 drive the arc-shaped clamping plate 6010 to move towards the motor through the fixed plate 608 and the elastic telescopic rods 609, and the arc-shaped clamping plate 6010 clamps the two sides of the motor. At this time, the vibration and impact of the motor during detection can be absorbed and converted through the spring damper 6011, so that the stability of the motor during detection is ensured, the detection effect is improved,

[0028] After the motor test is completed, the output end of the motor is detached from the dynamometer main body, the carrier disc 3 is driven by the driving motor 2 to rotate on the surface of the fixed ring 4, the positions of the two supporting seats 5 are replaced, then the knob 602 is reversely rotated to move the two moving blocks 605 away from each other, so that the motor is released, and the motor is conveniently replaced.

[0029] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A dynamometer arrangement for motor testing, characterized by The application relates to a workbench, which comprises a workbench (1), a rotating motor (2) fixedly arranged at the lower end of the workbench (1), a fixed ring (4) fixedly connected to the left upper end of the workbench (1), a carrier disc (3) arranged at the upper end of the fixed ring (4), an output end of the rotating motor (2) penetrating through the top plate of the workbench (1) and fixedly connected to the lower end of the carrier disc (3), a pair of supporting seats (5) symmetrically arranged at the upper end of the carrier disc (3), a pair of positioning grooves (501) symmetrically formed at the upper end of the supporting seat (5), an installation cavity (502) formed in the supporting seat (5), a fixing mechanism (6) fixedly arranged in the installation cavity (502), and a dynamometer main body (7) arranged at the right upper end of the workbench (1).

2. A dynamometer apparatus for testing an electric machine as defined in claim 1, wherein: A through groove is formed at the upper end of the fixed ring (4), a rotating ring (301) is fixedly connected to the lower end of the carrier disc (3), the other end of the rotating ring (301) is arranged in the through groove, a plurality of groups of rolling balls (302) are rotatably arranged at the lower end of the rotating ring (301), and the lower side surfaces of the rolling balls (302) abut against the inner wall of the bottom of the fixed ring (4).

3. A dynamometer apparatus for testing an electric machine as defined in claim 1, wherein: The fixing mechanism (6) comprises a worm (601) rotatably arranged in the installation cavity (502), a knob (602) fixedly connected to the outer end of the worm (601) and extending out of the installation cavity (502), a worm wheel (603) meshingly connected to the upper end of the worm (601), a threaded rod (604) fixedly connected to the two ends of the worm wheel (603), and a moving block (605) threadedly connected to the surface of the threaded rod (604).

4. A dynamometer apparatus for testing an electric machine as defined in claim 3, wherein: A plurality of groups of fixed rods (606) are fixedly connected to one end of the moving block (605) close to the installation cavity (502), the other ends of the fixed rods (606) penetrate through the side wall of the supporting seat (5) and extend out to be fixedly connected to one end of a Y-shaped frame (607), and a pair of fixed plates (608) are fixedly connected to the upper end of the Y-shaped frame (607).

5. An electric motor testing dynamometer apparatus as claimed in claim 4, wherein: A pair of elastic telescopic rods (609) and a spring damper (6011) are fixedly arranged at the opposite ends of the fixed plates (608), the two elastic telescopic rods (609) are arranged above and below the spring damper (6011) respectively, and the other ends of the elastic telescopic rods (609) and the spring damper (6011) are fixedly connected to an arc-shaped clamping plate (6010).

6. A dynamometer apparatus for testing an electric machine as defined in claim 5, wherein: A limiting rod (6012) is fixedly connected to the upper end of the moving block (605), the other end of the limiting rod (6012) is slidably connected to the inner wall of a sliding rail (6013), and the sliding rail (6013) is fixedly connected to the top inner wall of the positioning groove (501).

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