Positioning mechanism for motor test

Abstract

The utility model relates to the technical field of motor detection devices, and discloses a positioning mechanism for motor testing, which comprises a rack, a durability environment testing bin is mounted in the middle of the rack, via holes are formed in two sides of the durability environment testing bin, and positioning mechanisms and clamping and centering mechanisms are arranged at the via holes; the positioning mechanism comprises a double-guide-rod air lever, a mounting plate is fixedly mounted on a piston rod of the double-guide-rod air lever, a positioning pin and a bracket are fixedly mounted on the mounting plate, and the output end of the universal transmission shaft can be supported on the bracket; the clamping and centering mechanism comprises two supporting plates, a lead screw is rotationally connected to the supporting plates, a driving motor is fixedly installed on one supporting plate, lifting strips are connected to the upper side and the lower side of the lead screw in a threaded mode, centering plates are fixedly installed on the lifting strips, and two pulleys for clamping and centering are installed on the positioning plate. According to the utility model, the universal transmission shaft and the torque loading device can be accurately linked and connected by auxiliary personnel, so that the personnel can conveniently install and operate the universal transmission shaft and the torque loading device.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motor detection device technical field, concretely is a kind of positioning mechanism for motor test. BACKGROUND

[0002] The service life and reliability of motor are directly related to the service life and safety of the equipment using the motor. Therefore, durability test of motor is an essential link in motor research and development process. Different working environment and load state are two key factors affecting motor durability. For example, the transmission assembly of new energy vehicle is the core transmission equipment, and its durability detection is carried out by using a special double-motor assembly bench box, such as the double-motor assembly bench box of TOMILO.

[0003] In the existing new energy motor transmission assembly durability detection, the applicant finds that: personnel need to install the new energy motor transmission assembly in the environmental warehouse, and extend the transmission shafts on both sides of the new energy motor transmission assembly from the environmental warehouse, then connect the transmission shafts with the torque loading devices on both sides of the environmental warehouse, and then the durability detection can be carried out. The transmission shafts of the new energy motor transmission assembly of the above structure lack positioning and centering structure when connected with the torque loading devices, and manual centering installation is needed, which is not convenient and has low installation efficiency. In order to solve the above problems, a positioning mechanism for motor test is proposed. UTILITY MODEL CONTENTS

[0004] The utility model aims at: in order to solve the above problems, provide a kind of positioning mechanism for motor test.

[0005] The technical scheme adopted by the utility model is as follows: a positioning mechanism for motor test, including rack, the both sides of the rack are installed with slippable torque loading device, the output shaft of the torque loading device is fixedly connected with flange coupling one, the middle part of the rack is installed with durable environment test warehouse, the both sides of the durable environment test warehouse are all equipped with through hole, the durable environment test warehouse is installed with new energy automobile transmission assembly, the new energy automobile transmission assembly is provided with two universal transmission shafts connected with wheel hub, the output end of the universal transmission shaft is temporarily fixedly installed with extension shaft, the extension shaft penetrates the through hole, and the output end of the extension shaft is welded with flange coupling two, the flange coupling two is connected with the flange coupling one by bolt, the through hole is all provided with positioning mechanism and clamping centering mechanism.

[0006] The positioning mechanism includes double-guide-rod air cylinder, the double-guide-rod air cylinder is fixedly installed on the outer side wall of the durable environment test warehouse, the piston rod of the double-guide-rod air cylinder is fixedly installed with mounting plate, the mounting plate is fixedly installed with positioning pin and bracket, the output end of the universal transmission shaft can be placed on the bracket.

[0007] The clamping centering mechanism comprises two supporting plates fixedly installed on the inner wall of the durable environment test chamber, a lead screw is rotatably connected to the supporting plates, a driving motor is fixedly installed on one of the supporting plates, the driving motor is connected with the lead screw through an output shaft, a lifting bar is threadedly connected to the upper and lower sides of the lead screw, a centering plate is fixedly installed on the lifting bar, and two clamping centering pulleys are installed on the centering plate.

[0008] In a preferred embodiment, a V-shaped supporting groove is formed in the supporting base.

[0009] In a preferred embodiment, opposite external threads are arranged on the upper and lower sides of the lead screw.

[0010] In a preferred embodiment, a V-shaped notch is formed in the centering plate, and the pulleys are arranged on both sides of the port of the V-shaped notch.

[0011] In a preferred embodiment, a guide rod is slidably connected to one side of the lifting bar, and the guide rod is fixedly installed on the supporting plate.

[0012] In summary, due to the adoption of the above technical scheme, the present application has the following advantages:

[0013] 1. In the present application, the position of the extension shaft can be positioned by the positioning mechanism cooperating with the clamping centering mechanism, so that the torque loading device is positioned and connected with the new energy vehicle transmission assembly to be detected, thereby assisting personnel to accurately position and install the connection, facilitating personnel to position and install the connection, and improving the efficiency and accuracy of the connection. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structural schematic diagram of the present application;

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the positioning mechanism in the present application;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the clamping centering mechanism in the present application.

[0017] Marked in the figure: 1-stand, 2-torque loading device, 3-flange coupling one, 4-durability environment test bin, 5-Through hole, 6-new energy vehicle transmission assembly, 7-universal transmission shaft, 8-positioning mechanism, 9-clamping centering mechanism, 10-double guide rod cylinder, 11-mounting plate, 12-positioning pin, 13-socket, 14-branch plate, 15-screw rod, 16-driving motor, 17-lifting bar, 18-centering plate, 19-pulley, 20-V-shaped bracket, 21-V-shaped notch, 22-guide rod, 23-extension shaft, 24-flange coupling two. DETAILED DESCRIPTION

[0018] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] The technical scheme of the utility model will be described below in combination with Figures 1-3 The positioning mechanism for motor test of the embodiments of the utility model will be described in detail.

[0020] Embodiment:

[0021] The positioning mechanism for motor test provided by the embodiments of the utility model, as shown in Figures 1 to 3 The flange coupling two 24 is connected with the flange coupling one 3 through bolts, in this structure, the new energy vehicle transmission assembly 6 is installed in the durability environment test bin 4, then the extension shaft 23 is connected at the output end of the two universal transmission shafts 7, and the extension shaft 23 is passed through the through hole 5, then the torque loading device 2 is moved to make the flange coupling one 3 close to the flange coupling two 24 on the extension shaft 23, so that the flange coupling one 3 and the flange coupling two 24 are connected, so that the torque loading device 2 and the universal transmission shaft 7 are connected, then the durability test can be carried out on the new energy vehicle transmission assembly 6.

[0022] It should be noted that the above torque loading device 2 is a prior art device, and the specific structure is disclosed, and the specific structure can refer to patent CN106324500B, therefore, it is not introduced too much here, and the starting structure of the torque loading device 2 can be driven by a lead screw or a gear rack, and a uniform and commonly used moving structure, therefore, it is not introduced too much here, and the new energy automobile transmission assembly 6 is also a mature automobile transmission structure, and all of them have been disclosed, therefore, it is not introduced too much here.

[0023] Reference Figures 1 to 3 As shown, the through hole 5 is provided with a positioning mechanism 8, the positioning mechanism 8 includes a double guide rod cylinder 10, the double guide rod cylinder 10 is fixedly installed on the outer side wall of the durability environment test chamber 4, the piston rod of the double guide rod cylinder 10 is fixedly installed with a mounting plate 11, the mounting plate 11 is fixedly installed with a positioning pin 12 and a support 13, the output end of the universal transmission shaft 7 can be supported on the support 13, the through hole 5 is provided with a clamping centering mechanism 9, the clamping centering mechanism 9 includes two supporting plates 14, the supporting plates 14 are fixedly installed on the inner wall of the durability environment test chamber 4, the supporting plates 14 are rotatably connected with lead screws 15, one of the supporting plates 14 is fixedly installed with a driving motor 16, the driving motor 16 is connected with the lead screw 15 through an output shaft, the upper and lower sides of the lead screw 15 are both threadedly connected with lifting bars 17, the lifting bars 17 are fixedly installed with centering plates 18, the centering plates 18 are installed with two clamping centering pulleys 19, in this structure, the double guide rod cylinder 10 is started to drive the mounting plate 11 to lift, then the extension shaft 23 can be supported on the support 13, the flange coupling two 24 outer convex position on the extension shaft 23 can be limited by the positioning pin 12, at this time the flange coupling two 24 is clamped between the support 13 and the positioning pin 12, at this time the outer convex position of the extension shaft 23 is limited, so that the flange coupling two 24 and the flange coupling one 3 are adapted to the butt joint position, then when the flange coupling two 24 is limited, the driving motor 16 is started to drive the lead screw 15 to rotate, the lead screw 15 can drive the two lifting bars 17 to move close, so as to drive the pulleys 19 on the centering plate 18 to clamp the extension shaft 23, so as to center the extension shaft 23, then personnel can control the double guide rod cylinder 10 to move down, so that the support 13 and the positioning pin 12 move down, then the torque loading device 2 can be moved to make the flange coupling one 3 close to and fit the flange coupling two 24, then personnel adjust the flange coupling two 24 and the flange coupling one 3 to align, then the flange coupling two 24 and the flange coupling one 3 are connected through bolts, then the driving motor 16 is started in reverse to drive the pulleys 19 away from the extension shaft 23, at this time the torque loading device 2 can be started to test the durability of the motor;

[0024] The whole structure is convenient for the torque loading device 2 and the new energy automobile transmission assembly 6 to be positioned and connected, so as to facilitate personnel to accurately install and connect, and improve the efficiency and accuracy of the connection.

[0025] Reference Figures 1 to 3 As shown, the V-shaped bracket 20 is arranged on the bracket 13, and the V-shaped bracket 20 is used to accommodate the extension shaft 23.

[0026] Reference Figures 1 to 3 As shown, the outer threads in opposite directions are arranged on the upper and lower sides of the screw rod 15, and the outer threads in opposite directions are used to drive the two lifting bars 17 to move in opposite directions at the same time.

[0027] Reference Figures 1 to 3 As shown, the V-shaped notch 21 is arranged on the centering plate 18, and the pulley 19 is arranged on the two sides of the V-shaped notch 21, and the V-shaped notch 21 is used to place the extension shaft 23 and the extension shaft 23 interferes with the extension shaft 23.

[0028] Reference Figures 1 to 3 As shown, the guide rod 22 is slidably connected to one side of the lifting bar 17, and the guide rod 22 is fixedly installed on the support plate 14, and the guide rod 22 is used to guide the lifting bar 17 to move up and down.

[0029] The implementation principle of the positioning mechanism for motor testing in the embodiment of the application is as follows: in use, the double-guide-rod cylinder 10 is started to drive the mounting plate 11 to lift up, the new energy automobile transmission assembly 6 is installed in the durability environment test bin 4, then the extension shaft 23 is connected to the output end of the two universal transmission shafts 7, the extension shaft 23 is inserted through the through hole 5, then the extension shaft 23 can be accommodated on the bracket 13, the positioning pin 12 is used to limit the outer protruding position of the flange coupling two 24 on the extension shaft 23, at this time, the flange coupling two 24 is clamped between the bracket 13 and the positioning pin 12, at this time, the outer protruding position of the extension shaft 23 is limited, then when the flange coupling two 24 is limited, the driving motor 16 is started to drive the screw rod 15 to rotate, the screw rod 15 drives the two lifting bars 17 to move close, so that the pulley 19 on the centering plate 18 clamps the extension shaft 23, so that the extension shaft 23 is centered, then the personnel can control the double-guide-rod cylinder 10 to move down, so that the bracket 13 and the positioning pin 12 move down, then the torque loading device 2 can be moved to make the flange coupling one 3 close to and abut against the flange coupling two 24, then the personnel adjusts the flange coupling two 24 and the flange coupling one 3 to be aligned, then the flange coupling two 24 and the flange coupling one 3 are connected through bolts, then the driving motor 16 is started in reverse to drive the pulley 19 to move away from the extension shaft 23, at this time, the torque loading device 2 can be started to test the durability of the motor.

[0030] The above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some technical features therein can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A positioning mechanism for motor testing comprising a gantry (1), characterised in that: Both sides of the rack (1) are provided with slidable torque loading devices (2), the output shaft of the torque loading device (2) is fixedly connected with a flange coupling I (3), the middle part of the rack (1) is provided with a durable environment test chamber (4), the both sides of the durable environment test chamber (4) are provided with through holes (5), the durable environment test chamber (4) is provided with a new energy automobile transmission assembly (6), the new energy automobile transmission assembly (6) is provided with two universal transmission shafts (7) connected with the wheel hub, the output end of the universal transmission shaft (7) is temporarily fixedly provided with an extension shaft (23), the extension shaft (23) penetrates the through hole (5), and the output end of the extension shaft (23) is welded with a flange coupling II (24), the flange coupling II (24) is connected with the flange coupling I (3) through bolts, and the through hole (5) is provided with a positioning mechanism (8) and a clamping centering mechanism (9); The positioning mechanism (8) comprises a double guide rod air cylinder (10), the double guide rod air cylinder (10) is fixedly installed on the outer side wall of the durable environment test chamber (4), the piston rod of the double guide rod air cylinder (10) is fixedly installed with a mounting plate (11), the mounting plate (11) is fixedly installed with a positioning pin (12) and a bracket (13), and the output end of the extension shaft (23) can be placed on the bracket (13); The clamping centering mechanism (9) comprises two supporting plates (14), the supporting plates (14) are fixedly installed on the inner wall of the durable environment test chamber (4), the supporting plates (14) are rotatably connected with lead screws (15), one of the supporting plates (14) is fixedly installed with a driving motor (16), the driving motor (16) is connected with the lead screw (15) through an output shaft, the upper and lower sides of the lead screw (15) are threadedly connected with lifting bars (17), the lifting bars (17) are fixedly installed with centering plates (18), and the centering plates (18) are installed with two clamping and centering pulleys (19).

2. A positioning mechanism for testing an electric machine as claimed in claim 1, characterized in that: The bracket (13) is provided with a V-shaped bracket groove (20).

3. A positioning mechanism for testing an electric machine as defined in claim 1, characterized in that: The upper and lower sides of the lead screw (15) are provided with external threads in opposite directions.

4. A positioning mechanism for testing an electric machine as defined in claim 1, characterized in that: The centering plate (18) is provided with a V-shaped notch (21), and the pulleys (19) are arranged on the both sides of the V-shaped notch (21).

5. A positioning mechanism for testing an electric machine as defined in claim 1, characterized in that: One side of the lifting bar (17) is slidably connected with the guide rod (22), and the guide rod (22) is fixedly installed on the supporting plate (14).

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