Motor stalling testing device

Abstract

The utility model relates to the technical field of locked-rotor testing machines, and provides a motor locked-rotor testing device, which comprises a bearing device and a rotation stopping device, the rotation stopping device comprises a support frame, a clamping shaft, a rotation stopping seat, a driving shaft sleeve and a rotation stopping power piece, the clamping shaft is fixed on the support frame, the clamping shaft is provided with a flaring end for the end part of a rotating shaft to move in and out, and the rotating shaft is fixed on the supporting frame. The rotation stopping seat can be movably supported on the supporting frame in the length direction of the clamping shaft, the rotation stopping seat is provided with a rotation stopping cavity allowing a motor shell to be placed in and capable of limiting the shell to rotate relative to a motor rotating shaft, the flaring end is located in the rotation stopping cavity, the clamping shaft is sleeved with the driving shaft sleeve, the flaring end can be contracted and unfolded, and the driving shaft sleeve is fixedly connected with the rotation stopping seat; the rotation stopping power piece is used for driving the rotation stopping base to move relative to the supporting frame in the length direction of the clamping shaft. Compared with the prior art, the whole structure is more compact, the size is smaller, the cost is lower, and the maintenance is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of locked-rotor testing machine, especially to a motor locked-rotor testing device. BACKGROUND

[0002] Locked-rotor of motor is a kind of situation that motor still outputs torque when rotating speed is zero, generally mechanical or artificial, due to motor load is too large, drag mechanical failure, bearing damage sweep bore and other reasons cause motor cannot start or stop rotating phenomenon.Power factor is extremely low when locked-rotor of motor, the current (called locked-rotor current) when locked-rotor can reach several times of rated current, and motor will be burnt out if time is a little longer.Therefore, general test of motor includes locked-rotor test.

[0003] At present, when locked-rotor is tested, multiple sets of clamps are needed, one set of clamp is used to clamp motor shell, and the other set of clamp is used to clamp motor rotating shaft, therefore, the structure is complex, and the volume is large. INVENTION CONTENTS

[0004] The utility model discloses a kind of locked-rotor testing devices of motor, to solve the technical problem of complex structure, large volume in prior art.

[0005] To achieve the above object, the technical scheme adopted by the utility model is: provide a kind of locked-rotor testing device of motor, including the bearing device and the rotation-stopping device for providing motor, motor includes the shell with rectangular cross section and rotating shaft, shell includes opposite first end and second end, rotating shaft is arranged in shell and the end of rotating shaft extends to the outside of first end;Rotation-stopping device includes: support frame;Shaft clamp, fixed on support frame, shaft clamp has the flared end for the end of rotating shaft to move in and out and outer wall is tapered surface;Rotation-stopping seat, movably supported on support frame along the length direction of shaft clamp, rotation-stopping seat has the rotation-stopping cavity for the first end of shell to be placed into and can limit shell relative rotating shaft rotation, flared end is located in rotation-stopping cavity;Driving shaft sleeve, sleeve is set on shaft clamp and can make flared end contract and expand, driving shaft sleeve is fixedly connected with rotation-stopping seat;And rotation-stopping power element, for driving rotation-stopping seat to move along the length direction of shaft clamp relative to support frame, rotation-stopping power element is supported on support frame.

[0006] In some embodiments, the shell has a first side, a second side, a third side and a fourth side, wherein the first side is opposite to the third side, and the second side is opposite to the fourth side;The rotation-stopping cavity has a first inner wall corresponding to the first side, the rotation-stopping cavity has a second inner wall corresponding to the second side, the rotation-stopping cavity has a third inner wall corresponding to the third side, and the rotation-stopping cavity has a fourth inner wall corresponding to the fourth side.

[0007] In some embodiments, two guide sleeves are fixedly arranged on the support frame, each of the guide sleeves is slidably connected with a guide column, one end of the guide column is connected with the rotation-stopping power element, and the other end is connected with the rotation-stopping seat.

[0008] In some embodiments, the rotation-stopping power element comprises a cylinder and an output shaft, the cylinder is fixedly connected with the guide column, and the output shaft is fixed on the support frame.

[0009] In some embodiments, the support frame is provided with a fastener, and the clamping shaft is detachably mounted on the support frame through the fastener.

[0010] In some embodiments, the rotation-stopping seat is formed with a chamfer at the opening of the rotation-stopping cavity.

[0011] In some embodiments, the bearing device comprises a bottom plate and a bearing assembly supported on the bottom plate, the bearing assembly comprises a bearing table for placing the motor and a positioning plate for abutting against the end face of the second end portion, and the positioning plate is fixed on the bearing table.

[0012] In some embodiments, the top surface of the bearing table is formed with a positioning groove extending along the length direction of the clamping shaft, the positioning groove has a first groove wall for abutting against one side surface of the housing and a second groove wall for abutting against another side surface adjacent to the one side surface.

[0013] In some embodiments, the bottom plate is provided with a translation assembly for moving the bearing assembly relative to the bottom plate along the length direction of the clamping shaft.

[0014] In some embodiments, the bottom plate is provided with a lifting adjustment assembly for moving the bearing assembly relative to the bottom plate in a direction perpendicular to the bottom plate.

[0015] Compared with the prior art, the motor stall testing device provided by the utility model, comprising a bearing device and a rotation-stopping device, the rotation-stopping device comprises a support frame, a clamping shaft, a rotation-stopping seat, a driving shaft sleeve and a rotation-stopping power element, the clamping shaft is fixed on the support frame, the clamping shaft has a flared end for the end portion of the rotating shaft to move in and out, the rotation-stopping seat is movably supported on the support frame along the length direction of the clamping shaft, the rotation-stopping seat has a rotation-stopping cavity for placing the motor housing and can limit the rotation of the housing relative to the motor rotating shaft, the flared end is located in the rotation-stopping cavity, the driving shaft sleeve is sleeved on the clamping shaft and can make the flared end contract and expand, the driving shaft sleeve is fixedly connected with the rotation-stopping seat, and the rotation-stopping power element is used for driving the rotation-stopping seat to move relative to the support frame along the length direction of the clamping shaft, since the rotating shaft is fixed on the support frame and cannot rotate relative to the clamping shaft clamped, and the housing is kept by the rotation-stopping cavity of the rotation-stopping seat to limit the rotation of the housing, the situation of motor stall can be simulated, the stall testing of the motor is realized, the overall structure is more compact, the volume is smaller, the cost is lower, and the maintenance is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective view of the motor and the motor locked-rotor testing device according to an embodiment of the present application;

[0017] Figure 2 is a perspective view of the motor placed on the motor locked-rotor testing device according to an embodiment of the present application;

[0018] Figure 3 is a sectional view of the motor placed on the motor locked-rotor testing device according to an embodiment of the present application;

[0019] Figure 4 is a perspective view of the motor and the rotation-stopping device according to an embodiment of the present application.

[0020] Main component symbol explanation

[0021] 100-motor locked-rotor testing device; 300-bearing device; 301-bottom plate; 400-rotation-stopping device; 10-support frame; 11-guide sleeve; 12-guide column; 13-mounting plate; 14-fastener; 20-clamping shaft; 20a-flared end; 30-rotation-stopping seat; 31-rotation-stopping cavity; 311-first inner wall; 312-second inner wall; 313-third inner wall; 314-fourth inner wall; 40-driving shaft sleeve; 50-rotation-stopping power member; 51-cylinder body; 52-output shaft; 60-bearing assembly; 61-bearing table; 61a-positioning groove; 611-first groove wall; 612-second groove wall; 62-positioning plate; 70-plug assembly; 80-translation assembly; 81-translation seat; 82-translation power member; 90-lifting adjustment assembly; 91-upper wedge-shaped block; 92-lower wedge-shaped block; 93-adjusting screw; 200-motor; 201-housing; 2011-first side surface; 2012-second side surface; 2013-third side surface; 2014-fourth side surface; 202-rotating shaft; 201a-first end portion; 201b-second end portion; 203-power interface. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects of the present application clearer, the following will further describe the present application in detail with reference to the drawings and embodiments. It should be understood that the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] In order to make those skilled in the art better understand the technical solutions of the present application, the implementation of the present application will be described in detail below with reference to the specific drawings.

[0024] For the convenience of description, the "front", "rear", "left", "right", "upper", "lower" in the following are consistent with the front, rear, left, right, upper, lower directions of the drawings themselves, but do not limit the structure of the utility model.

[0025] Unless otherwise defined, technical terms or scientific terms used herein should be understood as having the common meaning as understood by one of ordinary skill in the art to which this utility model belongs. The "first", "second" and similar words used in the utility model patent application specification and claims do not represent any order, quantity or importance, but are only used to distinguish different components. Similarly, "one" or "a" and similar words do not represent a quantity limit, but represent the existence of at least one.

[0026] As shown in Figures 1 to 4 The motor stall test device 100 provided by the embodiment includes a bearing device 300 for providing a motor 200 and a rotation-stopping device 400. The motor 200 includes a housing 201 with a rectangular cross section and a rotating shaft 202. The housing 201 includes opposite first and second end portions 201a and 201b. The rotating shaft 202 is arranged in the housing 201, and an end portion of the rotating shaft 202 extends out of the first end portion 201a. The rotation-stopping device 400 includes a support frame 10, a clamping shaft 20 fixed on the support frame 10, the clamping shaft 20 having a flared end 20a with a tapered outer wall for the end portion of the rotating shaft 202 to move in and out, a rotation-stopping seat 30 movably supported on the support frame 10 along the length direction of the clamping shaft 20, the rotation-stopping seat 30 having a rotation-stopping cavity 31 for the first end portion 201a of the housing 201 to be placed in and capable of limiting the rotation of the housing 201 relative to the rotating shaft 202, the flared end 20a being located in the rotation-stopping cavity 31, a driving shaft sleeve 40 sleeved on the clamping shaft 20 and capable of making the flared end 20a contract and expand, the driving shaft sleeve 40 being fixedly connected with the rotation-stopping seat 30, and a rotation-stopping power member 50 for driving the rotation-stopping seat 30 to move relative to the support frame 10 along the length direction of the clamping shaft 20, the rotation-stopping power member 50 being supported on the support frame 10.

[0027] The motor block test device 100 comprises a bearing device 300 and a rotation stopping device 400, the rotation stopping device 400 comprises a support frame 10, a clamping shaft 20, a rotation stopping seat 30, a driving shaft sleeve 40 and a rotation stopping power element 50, the clamping shaft 20 is fixed on the support frame 10, the clamping shaft 20 has a flared end 20a for the end of the rotating shaft 202 to move in and out, the rotation stopping seat 30 is movably supported on the support frame 10 along the length direction of the clamping shaft 20, the rotation stopping seat 30 has a rotation stopping cavity 31 for the motor 200 shell 201 to be placed in and capable of limiting the rotation of the shell 201 relative to the rotating shaft 202 of the motor 200, the flared end 20a is located in the rotation stopping cavity 31, the driving shaft sleeve 40 is sleeved on the clamping shaft 20 and can make the flared end 20a contract and expand, the driving shaft sleeve 40 is fixedly connected with the rotation stopping seat 30, and the rotation stopping power element 50 is used for driving the rotation stopping seat 30 to move relative to the support frame 10 along the length direction of the clamping shaft 20, since the rotating shaft 202 is fixed on the support frame 10 and cannot rotate relative to the clamping shaft 20 clamped by the rotation stopping seat 30, and the shell 201 is kept by the rotation stopping cavity 31 of the rotation stopping seat 30 to limit the rotation of the shell 201, so that the situation of the motor 200 block can be simulated, the block test of the motor 200 is realized, and the overall structure is more compact, the volume is smaller, the cost is lower, and the maintenance is more convenient.

[0028] Referring to Figures 1 to 4 The motor block test device 100 comprises a bearing device 300 and a rotation stopping device 400, the rotation stopping device 400 comprises a support frame 10, a clamping shaft 20, a rotation stopping seat 30, a driving shaft sleeve 40 and a rotation stopping power element 50, the clamping shaft 20 is fixed on the support frame 10, the clamping shaft 20 has a flared end 20a for the end of the rotating shaft 202 to move in and out, the rotation stopping seat 30 is movably supported on the support frame 10 along the length direction of the clamping shaft 20, the rotation stopping seat 30 has a rotation stopping cavity 31 for the motor 200 shell 201 to be placed in and capable of limiting the rotation of the shell 201 relative to the rotating shaft 202 of the motor 200, the flared end 20a is located in the rotation stopping cavity 31, the driving shaft sleeve 40 is sleeved on the clamping shaft 20 and can make the flared end 20a contract and expand, the driving shaft sleeve 40 is fixedly connected with the rotation stopping seat 30, and the rotation stopping power element 50 is used for driving the rotation stopping seat 30 to move relative to the support frame 10 along the length direction of the clamping shaft 20, since the rotating shaft 202 is fixed on the support frame 10 and cannot rotate relative to the clamping shaft 20 clamped by the rotation stopping seat 30, and the shell 201 is kept by the rotation stopping cavity 31 of the rotation stopping seat 30 to limit the rotation of the shell 201, so that the situation of the motor 200 block can be simulated, the block test of the motor 200 is realized, and the overall structure is more compact, the volume is smaller, the cost is lower, and the maintenance is more convenient.

[0029] Referring to Figures 1 to 4The bearing device 300 provided by the embodiment comprises a bottom plate 301 and a bearing assembly 60 supported on the bottom plate 301, the bearing assembly 60 comprises a bearing table 61 for placing the motor 200 and a positioning plate 62, the positioning plate 62 is fixed on the bearing table 61. In the embodiment, the motor 200 comprises a housing 201 and a rotating shaft 202 installed in the housing 201, the housing 201 has a rectangular cross section, the housing 201 comprises a first end portion 201a and a second end portion 201b opposite to each other, the rotating shaft 202 is arranged in the housing 201 and an end portion of the rotating shaft 202 extends out of the first end portion 201a, the second end portion 201b of the housing 201 is formed with a power interface 203, the housing 201 has a first side surface 2011, a second side surface 2012, a third side surface 2013 and a fourth side surface 2014, wherein the first side surface 2011 is opposite to the third side surface 2013, and the second side surface 2012 is opposite to the fourth side surface 2014. The positioning plate 62 is fixedly connected to a side of the bearing table 61 away from the rotation-stopping device 400, and the bearing device 300 further comprises a plug assembly 70, which is connected to the power interface 203 after the motor 200 is positioned, so as to supply power to the motor 200. In this way, after the motor 200 is placed on the bearing table 61, the motor 200 is positioned in the length direction of the clamping shaft 20 by abutting against the positioning plate 62 through the second end portion 201b.

[0030] Referring to Figures 1 to 3 The bottom plate 301 is provided with a translation assembly 80 for moving the bearing assembly 60 along the length direction of the clamping shaft 20 relative to the bottom plate 301. In the embodiment, the translation assembly 80 comprises a translation seat 81 movably arranged on the bottom plate 301 along the length direction of the clamping shaft 20 and a translation driving force 82 for driving the translation seat 81 to move relative to the bottom plate 301, the translation driving force 82 is but not limited to a pneumatic cylinder, and the bearing assembly 60 is supported on the translation seat 81. In this way, after the motor 200 to be tested is placed on the bearing table 61, the motor 200 is moved towards the rotation-stopping device 400 by the translation assembly 80, so as to send the first end portion 201a of the motor 200 into the rotation-stopping seat 30 of the rotation-stopping device 400, and after the test is completed, the bearing table 61 and the motor 200 are driven by the translation assembly 80 to exit the rotation-stopping device 400. In this way, the feeding and discharging of the motor 200 are facilitated, so as to improve the detection efficiency.

[0031] Please continue to refer to Figures 1 to 3The base plate 301 provided in this embodiment is provided with a lifting adjustment component 90, which is used to move the bearing component 60 relative to the base plate 301 in a direction perpendicular to the base plate 301. In this embodiment, the lifting adjustment component 90 includes an upper wedge block 91, a lower wedge block 92 and an adjusting screw 93. The upper wedge block 91 is supported on the lower wedge block 92 and connected to the bearing component 60. The lower wedge block 92 is movably disposed on the translation seat 81 along the length direction of the clamping shaft 20. The adjusting screw 93 is connected to the lower wedge block 92 and can move the lower wedge block 92 relative to the translation seat 81, and drive the upper wedge block 91 and the bearing component 60 to move in a direction perpendicular to the base plate 301 while moving.

[0032] See Figures 1 to 4The rotation stopping device 400 provided by the embodiment has the clamping shaft 20 fixed on the support frame 10, the clamping shaft 20 has the flared end 20a with a tapered surface for the end of the rotating shaft 202 to move in and out, the rotation stopping seat 30 is movably supported on the support frame 10 along the length direction of the clamping shaft 20, the rotation stopping seat 30 has the rotation stopping cavity 31 for the first end 201a of the shell 201 to be placed in and capable of limiting the rotation of the shell 201 relative to the rotating shaft 202, the flared end 20a is located in the rotation stopping cavity 31, the driving shaft sleeve 40 is sleeved on the clamping shaft 20 and capable of making the flared end 20a contract and expand, the driving shaft sleeve 40 is fixedly connected with the rotation stopping seat 30, the rotation stopping power member 50 is used for driving the rotation stopping seat 30 to move relative to the support frame 10 along the length direction of the clamping shaft 20, and the rotation stopping power member 50 is supported on the support frame 10. In the embodiment, the rotation stopping seat 30 is but not limited to the seat body with a rectangular cross section, the rotation stopping seat 30 is connected with the rotation stopping power member 50 and can move relative to the support frame 10 along the length direction of the clamping shaft 20 under the driving of the rotation stopping power member 50, and the side surface of the rotation stopping seat 30 facing the bearing device 300 is formed with the rotation stopping cavity 31 having but not limited to a rectangular cross section, the cross section shape of the rotation stopping cavity 31 matches the shell 201, and the cross section area of the rotation stopping cavity 31 is slightly larger than the cross section area of the shell 201 of the motor 200. The rotation stopping cavity 31 has the first inner wall 311 corresponding to the first side 2011, the rotation stopping cavity 31 has the second inner wall 312 corresponding to the second side 2012, the rotation stopping cavity 31 has the third inner wall 313 corresponding to the third side 2013, and the rotation stopping cavity 31 has the fourth inner wall 314 corresponding to the fourth side 2014. One end of the clamping shaft 20 is fixed on the support frame 10, the other end extends into the rotation stopping cavity 31 and forms the flared end 20a, the flared end 20a includes a plurality of elastic clamping claws, the plurality of elastic clamping claws are arranged at intervals along the circumference of the clamping shaft 20, the driving shaft sleeve 40 is sleeved on the clamping shaft 20 and passes through the rotation stopping seat 30, and the driving shaft sleeve 40 is fixedly connected with the rotation stopping seat 30. It can be understood that when the first end 201a of the shell 201 and the end of the rotating shaft 202 move into the rotation stopping cavity 31, the rotation stopping power member 50 drives the rotation stopping seat 30 to drive the driving shaft sleeve 40 to continue to move towards the second end 201b of the shell 201, the driving shaft sleeve 40 clamps the elastic clamping claws to the rotating shaft 202, and after the motor 200 is powered, the rotating shaft 202 is clamped by the clamping shaft 20 fixed on the support frame 10 and unable to rotate relative to the rotation stopping seat 30, and the shell 201 is kept by the rotation stopping cavity 31 of the rotation stopping seat 30 to limit the rotation of the shell 201, so that the motor 200 can simulate the situation of locked-rotor and realize the locked-rotor test of the motor 200.

[0033] In other embodiments, the cross section shape of the rotation stopping cavity 31 can be any other shape, and a protrusion can be formed on the inner wall of the rotation stopping cavity 31, and the inner end of the protrusion encloses a shape matching the shape of the shell 201 to limit the rotation of the shell 201 after the shell 201 is sent in.

[0034] Referring to Figures 1 to 4 In the embodiment, the rotation-stopping seat 30 is formed with a chamfer at the opening of the rotation-stopping cavity 31, so that the shell 201 can be conveniently moved into the rotation-stopping cavity 31.

[0035] Referring to Figures 1 to 4 The support frame 10 is fixedly provided with a guide sleeve 11, the guide sleeve 11 is slidably connected with a guide column 12, one end of the guide column 12 is connected with a rotation-stopping power element 50, and the other end is connected with the rotation-stopping seat 30. In the embodiment, the number of the guide column 12 is but not limited to two, the two guide columns 12 are respectively located at two sides of the clamping shaft 20, one end of the guide column 12 is fixedly connected with the rotation-stopping power element 50, and the other end is fixedly connected with a mounting plate 13, the rotation-stopping seat 30 and the driving shaft sleeve 40 are respectively fixed on the mounting plate 13 by means of screws, welding or other existing fixing modes, the number of the guide sleeve 11 is but not limited to two, and the two guide sleeves 11 respectively correspond to the two guide columns 12 one by one, the guide sleeve 11 is fixedly installed on the support frame 10 and respectively sleeved on the corresponding guide column 12.

[0036] Referring to Figures 1 to 3 In the embodiment, the rotation-stopping power element 50 is but not limited to a pneumatic cylinder, which comprises a cylinder body 51 and an output shaft 52, the cylinder body 51 is fixedly connected with the guide column 12, and the outer end of the output shaft 52 is fixed on the support frame 10.

[0037] Referring to Figures 1 to 3 In the embodiment, the support frame 10 is provided with a fastener 14, the clamping shaft 20 is detachably installed on the support frame 10 through the fastener 14, the axis of the fastener 14 is orthogonally arranged with the axis of the clamping shaft 20, so that the end of the clamping shaft 20 can be locked on the support frame 10, and the movement and rotation of the clamping shaft 20 are prevented.

[0038] Referring to Figure 1The top surface of the bearing table 61 is provided with a positioning groove 61a, the positioning groove 61a has a first groove wall 611 for abutting against one side of the shell 201 and a second groove wall 612 for abutting against another side adjacent to the side. In this embodiment, the positioning groove 61a extends along the length direction of the clamping shaft 20, and the positioning groove 61a has a V-shaped cross section, which includes the first groove wall 611 and the second groove wall 612, and the included angle between the first groove wall 611 and the second groove wall 612 is substantially 90°. After the motor 200 is placed, the first groove wall 611 can abut against the second side 2012 of the shell 201, and the second groove wall 612 can abut against the third side 2013 of the shell 201. It is worth mentioning that the shape of the rotation stopping cavity 31 should be matched with the shell 201 of the motor 200 placed on the positioning groove 61a. In this way, by using the positioning groove 61a with this shape, the center position of the rotating shaft 202 can be positioned after the motor 200 is placed, so as to improve the detection efficiency and save the cost.

[0039] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement or improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A motor stall test device, characterized in that, Includes a support device and an anti-rotation device for providing a motor, the motor including a housing having a rectangular cross-section and a shaft, the housing including opposing first and second ends, the shaft being disposed within the housing and the end of the shaft extending beyond the first end; The anti-rotation device includes: Support frame; A clamping shaft is fixed on the support frame. The clamping shaft has a flared end with a tapered outer wall for the end of the rotating shaft to move in and out. An anti-rotation seat is movably supported on the support frame along the length direction of the clamping shaft. The anti-rotation seat has an anti-rotation cavity into which the first end of the housing is inserted and which can restrict the rotation of the housing relative to the rotating shaft. The flared end is located in the anti-rotation cavity. A drive bushing, fitted onto the clamping shaft and capable of causing the flared end to contract and expand, the drive bushing being fixedly connected to the anti-rotation seat; and An anti-rotation power component is used to drive the anti-rotation seat to move relative to the support frame along the length direction of the clamping shaft, and the anti-rotation power component is supported on the support frame.

2. The motor stall test device according to claim 1, characterized in that, The outer shell has a first side, a second side, a third side, and a fourth side, wherein the first side is opposite to the third side, and the second side is opposite to the fourth side; the anti-rotation cavity has a first inner wall corresponding to the first side, a second inner wall corresponding to the second side, a third inner wall corresponding to the third side, and a fourth inner wall corresponding to the fourth side.

3. The motor stall test device according to claim 1, characterized in that, Two guide sleeves are fixedly installed on the support frame. Each guide sleeve has a guide post slidably connected inside it. One end of the guide post is connected to the anti-rotation power component, and the other end is connected to the anti-rotation seat.

4. The motor stall test device according to claim 3, characterized in that, The anti-rotation power component includes a cylinder and an output shaft. The cylinder is fixedly connected to the guide column, and the outer end of the output shaft is fixed to the support frame.

5. The motor stall test device according to claim 1, characterized in that, The support frame is provided with fasteners, and the clamping shaft is detachably mounted on the support frame by means of the fasteners.

6. The motor stall test device according to claim 1, characterized in that, The anti-rotation seat has a chamfer at the opening of the anti-rotation cavity.

7. The motor stall test apparatus according to any one of claims 1 to 6, characterized in that, The supporting device includes a base plate and a supporting assembly supported on the base plate. The supporting assembly includes a support platform for placing the motor and a positioning plate for abutting against the end face of the second end. The positioning plate is fixed on the support platform.

8. The motor stall test device according to claim 7, characterized in that, The top surface of the support platform is formed with a positioning groove extending along the length direction of the clamping shaft. The positioning groove has a first groove wall for abutting against one of the sides of the housing and a second groove wall for abutting against the other side adjacent to that side.

9. The motor stall test device according to claim 7, characterized in that, The base plate is provided with a translation component for moving the bearing component relative to the base plate along the length direction of the clamping shaft.

10. The motor stall test device according to claim 7, characterized in that, The base plate is provided with a lifting and adjusting assembly for moving the bearing assembly relative to the base plate in a direction perpendicular to the base plate.

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