CN114838870A - Motor testing tool and using method thereof - Google Patents

Abstract

The invention belongs to the technical field of motor test tools, and particularly relates to a motor test tool which comprises: the supporting structure comprises a supporting bottom plate and a plurality of supporting columns which are uniformly distributed and connected to the upper end of the supporting bottom plate, and the upper ends of the supporting columns are fixedly connected with the same horizontal supporting top plate; the motor shell structure comprises a motor shell, a limiting unit connected with the motor shell is arranged on the outer side of the motor shell, and a conveying unit connected with the limiting unit is arranged at the upper end of the supporting bottom plate; the rotating shaft structure comprises a rotating shaft, the rotating shaft and the motor shell are collinear and oppositely arranged in the shaft center, a clamping unit is arranged on the outer side of the rotating shaft, and a lifting unit connected with the clamping unit is arranged at the upper end of the supporting top plate. The invention is suitable for assembling motor housings and rotating shafts with different sizes, and the clamping structure can be removed and balance test can be carried out after the rotating shaft is assembled, so that stable use of the rotor is ensured.

Description

A kind of motor testing tool and its use method

technical field

The invention relates to the technical field of motor testing tooling, in particular to a motor testing tooling and a method for using the same.

Background technique

Various revolving bodies in engineering, due to various factors such as uneven material or blank defects, errors in processing and assembly, and even asymmetric geometric shapes in design, so that when the revolving body rotates, each on its The centrifugal inertial force generated by the tiny particles cannot cancel each other out. The centrifugal inertial force acts on the machine and its foundation through the bearing, causing vibration, producing noise, accelerating bearing wear, shortening the life of the machine, and causing destructive accidents in severe cases.

When assembling traditional motors, special fixtures are usually used to fix the motor casing, and then the motor rotor is assembled. Although the fixtures can ensure the stability of the motor casing to a certain extent, it is difficult for different specifications and sizes of motor casings. It is guaranteed that the same fixture can be fitted, which will undoubtedly reduce the production efficiency. In addition, because the magnetism between the silicon steel sheet group of the motor stator and the rotor will attract each other, if there is a deviation in the assembly process, the assembly of the motor stator and rotor will be easier. It will cause damage to the rotor, and the rotor needs to be tested after the assembly is completed to ensure stable use.

To this end, we propose a motor test tool and its use method to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to propose a motor testing tool and its use method in order to solve the shortcomings in the prior art.

In order to achieve the above object, the present invention adopts the following technical solutions:

A motor testing tool, comprising: a support structure, including a support base plate and a plurality of support columns evenly connected to the upper end of the support base plate, the upper ends of the plurality of support columns are fixedly connected with a same horizontal support top plate; a casing structure, It includes a motor housing, the outer side of the motor housing is provided with a limit unit connected with it, and the upper end of the support base plate is provided with a conveying unit connected with the limit unit; the rotating shaft structure includes a rotating shaft, the rotating shaft is connected with The shaft centers of the motor housing are collinear and oppositely arranged, a clamping unit is arranged on the outer side of the rotating shaft, a lifting unit connected with the clamping unit is arranged at the upper end of the supporting top plate, the lifting unit and the conveying unit are arranged The hoisting unit and the conveying unit work at the same time and assemble the motor housing and the rotating shaft.

In the above-mentioned motor test tool, the limiting unit includes an arc-shaped bottom plate sleeved on the outer side of the motor housing, the upper end of the arc-shaped bottom plate is slidably inserted with two movable plates, and the upper ends of the two movable plates are slidably inserted. The same arc-shaped top plate is fixedly connected, the upper end of the arc-shaped top plate is threadedly connected with a vertical tightening screw, and the lower end of the tightening screw is fixedly connected with a limit block contacting the motor housing.

In the above-mentioned motor test tool, the conveying unit includes two bending rods fixedly connected to the lower end of the arc-shaped base plate, the lower end of the bending rod is fixedly connected with a movable block, and the upper end of the supporting base plate is fixedly connected with two bending rods. There are two parallel trapezoidal plates, the movable block is slidably sleeved on the outer side of the trapezoidal plate, a strip groove is formed on the support bottom plate between the two trapezoidal plates, and a first wire is threaded in the strip groove. The outer side of the first lead screw is threadedly connected with a T-shaped block, and the upper end of the T-shaped block extends to the upper side of the bar-shaped groove and is fixedly connected with the two movable blocks.

In the above-mentioned motor testing tool, the lower end of the arc-shaped base plate is provided with an opening communicating up and down, and a guide wheel in contact with the motor housing is rotatably connected in the opening.

In the above-mentioned motor test tool, the clamping unit includes two vertical plates sleeved on the outside of the rotating shaft, and the opposite side walls of the two vertical plates are provided with arc surfaces corresponding to the rotating shaft, and the arc surfaces correspond to the rotating shaft. There are arc openings connected to the left and right on the side wall of the device, and two arc openings are slidably connected with a fan-shaped clamping block, and the rotating shaft is correspondingly connected between the two fan-shaped clamping blocks, and the outer side wall of the arc-shaped surface is A C-shaped frame with the notch opposite to the arc-shaped opening is fixedly connected on the upper side, and the side wall of the C-shaped frame is provided with an adjustment component connected with the sector-shaped clamping block.

In the above-mentioned motor test fixture, the adjustment component includes a moving rod slidably connected to the outer side wall of the C-shaped frame, and one end of the moving rod extends into the notch and is fixedly connected with an arc-shaped clamping block that abuts against the sector-shaped clamping block. , the moving rod inside the C-shaped frame is covered with a compression spring, and the two ends of the compression spring are fixedly connected with the C-shaped frame and the arc-shaped clamping block respectively, and the end of the moving rod away from the arc-shaped clamping block extends to The outer side of the C-shaped frame is fixedly connected with a vertical pull plate, the outer side wall of the C-shaped frame is fixedly connected with an L-shaped support plate, and the opposite side walls of the pull plate and the L-shaped support plate are respectively provided with mutual Adsorbed magnetic blocks.

In the above-mentioned motor testing tool, the hoisting unit includes a bar-shaped opening opened at the upper end of the support top plate, a second lead screw is rotatably connected in the bar-shaped opening, and a tool is threadedly connected to the outside of the second lead screw. The lower end of the I-shaped moving piece is fixedly connected with a vertical support rod, and the two vertical plates are symmetrically connected on both sides of the support rod and fixed by bolts and nuts.

In the above-mentioned motor test fixture, the transmission unit includes a vertical casing that is fixedly connected to the side walls of the supporting bottom plate and the supporting top plate, one end of the first lead screw and the second lead screw extends into the casing, and the The center of the outer side wall of the casing is fixedly connected with a drive motor, the drive shaft of the drive motor extends into the casing, the outer side of the drive shaft in the casing is fixedly sleeved with a first pulley, and the first lead screw in the casing A second pulley is fixedly sleeved on the outer side wall of the second lead screw and the first pulley, and the first pulley and the two second pulleys are connected by a belt.

A method for using a motor testing tooling, comprising the following steps:

S1. Before testing the motor, place the motor housing between the arc-shaped bottom plate and the arc-shaped top plate and fix the position of the motor housing with fastening screws, and sleeve the rotating shaft that needs to be assembled and tested on the two fan-shaped between the clamping blocks, slide the two sector-shaped clamping blocks from the arc-shaped opening to between the arc-shaped surfaces of the two vertical plates, and fix the position of the sector-shaped clamping blocks by the action of the arc-shaped clamping block and the compression spring;

S2. Start the drive motor to make the first lead screw and the second lead screw rotate at the same time under the transmission of the belt, so that the T-shaped block and the I-shaped moving part outside the first lead screw and the second lead screw move relatively simultaneously. The drive motor can be turned off after the casing and the shaft are assembled;

S3. After the assembly is completed, the rotating shaft and the motor housing are tested for rotor dynamic balance, and the pull plate on the side wall of the C-shaped frame is pulled to make it adsorb and connect with the magnetic block on the side wall of the L-shaped support plate, so that the sector-shaped clamping block is released. The connection with the rotating shaft, that is, the connection of the clamping unit is released, and the balance test of the rotating shaft can be carried out with the help of the external driving tool.

Compared with the prior art, the advantages of the motor testing tool and the method for using the same are:

1. The present invention adopts the coaxial mutual movement method when assembling the motor housing and the rotating shaft, and the assembly process is automated operation, which improves the production efficiency and ensures the assembly accuracy.

2. The present invention is suitable for the assembly of motor housings and rotating shafts of different sizes, and after the assembly of the rotating shaft is completed, the clamping structure can be released and the balance test can be performed to ensure the stable use of the rotor.

Description of drawings

1 is a schematic diagram of the external structure of a motor testing tool and a method of use thereof proposed by the present invention;

Fig. 2 is a top-view structural view of a motor testing tool and a method of using the same proposed by the present invention;

3 is a structural diagram of a motor housing side of a motor test tool and a method of using the same proposed by the present invention;

4 is a structural diagram of a transmission unit of a motor test tool and a method of using the same proposed by the present invention;

FIG. 5 is a structural diagram of a clamping structure of a motor testing tool and a method of use thereof proposed by the present invention.

In the figure, 100 supporting structure, 101 supporting bottom plate, 102 supporting column, 103 supporting top plate, 200 casing structure, 201 motor casing, 202 arc bottom plate, 203 movable plate, 204 arc top plate, 205 fastening screw, 206 Bending rod, 207 movable block, 208 trapezoidal plate, 209 first lead screw, 210 T-shaped block, 211 guide wheel, 300 clamping structure, 301 rotating shaft, 302 vertical plate, 303 sector clamping block, 304 C-shaped frame, 305 Moving rod, 306 arc clamp, 307 compression spring, 308 pull plate, 309 L-shaped support plate, 310 second lead screw, 311 I-shaped moving piece, 312 support rod, 313 shell, 314 drive motor, 315 No. One pulley, 316 second pulley, 317 belt.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

Example

1-5, a motor testing tool includes: a support structure 100, including a support base plate 101 and a plurality of support columns 102 evenly connected to the upper end of the support base plate 101, and the upper ends of the plurality of support columns 102 are fixedly connected with the same piece The top plate 103 is supported horizontally.

The casing structure 200 includes a motor casing 201 , and a limit unit connected to the outer side of the motor casing 201 is provided. The upper end of the bottom plate 202 is slidably connected with two movable plates 203, and the upper ends of the two movable plates 203 are fixedly connected with the same arc-shaped top plate 204, and the upper end of the arc-shaped top plate 204 is threadedly connected with a vertical tightening screw 205, and The lower end of the tightening screw 205 is fixedly connected with a limit block which is in contact with the motor housing 201 .

Further, the upper end of the supporting bottom plate 101 is provided with a conveying unit connected with the limiting unit. The conveying unit includes two bending rods 206 fixedly connected to the lower end of the arc-shaped base plate 202, and the lower end of the bending rod 206 is fixedly connected with a movable block 207. , the upper end of the supporting bottom plate 101 is fixedly connected with two parallel trapezoidal plates 208, the movable block 207 is slidably sleeved on the outside of the trapezoidal plate 208, and the supporting bottom plate 101 between the two trapezoidal plates 208 is provided with a strip-shaped groove. A first lead screw 209 is threadedly connected to the groove, a T-shaped block 210 is threadedly connected to the outside of the first lead screw 209, and the upper end of the T-shaped block 210 extends to the upper side of the bar-shaped groove and is fixed with the two movable blocks 207 Specifically, the lower end of the arc-shaped bottom plate 202 is provided with an opening that communicates up and down, and a guide wheel 211 in contact with the motor housing 201 is rotatably connected in the opening. By setting the guide wheel 211, the motor housing 201 can be guided. The position of the motor housing 201 can be adjusted under the use of the conveying unit.

The rotating shaft structure 300 includes a rotating shaft 301 . The rotating shaft 301 and the axis of the motor housing 201 are collinear and oppositely arranged. A clamping unit is provided on the outer side of the rotating shaft 301 . and the opposite side walls of the two vertical plates 302 are provided with arc surfaces corresponding to the rotating shafts 301, the side walls of the arc surfaces are provided with arc openings communicating with left and right, and the two arc openings are slidably connected There is a fan-shaped clamping block 303, and the rotating shaft 301 is correspondingly connected between the two fan-shaped clamping blocks 303. The outer side wall of the arc-shaped surface is fixedly connected with a C-shaped frame 304 with a notch opposite to the arc-shaped opening. The side of the C-shaped frame 304 is fixedly connected. The wall is provided with an adjustment assembly connected with the sector clamp 303, the adjustment assembly includes a moving rod 305 slidably connected to the outer side wall of the C-shaped frame 304, one end of the moving rod 305 extends into the slot and is fixedly connected with the sector clamp 303 The opposing arc-shaped clamping blocks 306, the inner moving rod of the C-shaped frame 304 is covered with a compression spring 307, and the two ends of the compression spring 307 are respectively fixedly connected with the C-shaped frame 304 and the arc-shaped clamping block 306, and the moving rod 305 One end away from the arc clamp 306 extends to the outside of the C-shaped frame 304 and is fixedly connected with a vertical pull plate 308. An L-shaped support plate 309 is fixedly connected to the outer side wall of the C-shaped frame 304. The pull plate 308 is connected to the L-shaped support plate 309. The opposite side walls of the support plate 309 are respectively provided with mutually adsorbing magnetic blocks. When in use, the rotating shaft 301 that needs to be assembled and tested is sleeved between the two sector-shaped clamping blocks 303, and the two sector-shaped clamping blocks 303 are removed from the arc. Sliding between the arc-shaped surfaces of the two vertical plates 302 at the opening, the position of the sector-shaped clamping block 303 is fixed by the action of the arc-shaped clamping block 306 and the compression spring 307. After the assembly is completed, the rotating shaft 301 and the motor housing 201 Carry out the rotor dynamic balance test, pull the pull plate 308 on the side wall of the C-shaped frame 304 to make it adsorb and connect with the magnetic block on the side wall of the L-shaped support plate 309, so that the sector clamp block 303 is disconnected from the connection with the rotating shaft 301, that is, The connection of the clamping unit is released. This structure can be applied to the assembly of the motor housing 201 and the rotating shaft 301 of different sizes, and the assembly process is automated, which improves the assembly efficiency. In addition, the rotating shaft 301 can be released after the assembly is completed. bit for balance testing.

Further, the upper end of the supporting top plate 103 is provided with a hoisting unit connected with the clamping unit. The hoisting unit includes a bar-shaped opening opened on the upper end of the supporting top plate 103, and a second lead screw 310 is rotatably connected in the bar-shaped opening. An I-shaped moving member 311 is threadedly connected to the outer side of the lead screw 310, and a vertical support rod 312 is fixedly connected to the lower end of the I-shaped moving member 311. The two vertical plates 302 are symmetrically connected on both sides of the support rod 312 through bolts and nuts. Fixed, the hoisting unit and the conveying unit are connected by a transmission unit. The transmission unit includes a vertical casing 313 fixedly connected to the side walls of the supporting bottom plate 101 and the supporting top plate 103 , a first lead screw 209 and a second lead screw 310 one end extends into the casing 313, the center of the outer side wall of the casing 313 is fixedly connected with the driving motor 314, the driving shaft of the driving motor 314 extends into the casing 313, and the outer side of the driving shaft in the casing 313 is fixedly sleeved with a first The pulley 315, the outer side walls of the first lead screw 209 and the second lead screw 310 in the housing 313 are fixedly sleeved with a second pulley 316, between the first pulley 315 and the two second pulleys 316 Connected by the belt 317, the hoisting unit and the conveying unit work at the same time and assemble the motor housing 201 and the rotating shaft 301, start the driving motor 314 under the transmission of the belt 317 to make the first lead screw 209 and the second lead screw 310 rotate at the same time, Then, the T-shaped block 210 and the I-shaped moving member 311 on the outside of the first lead screw 209 and the second lead screw 310 are moved relative to each other at the same time, and the drive motor 314 can be turned off after the motor housing 201 and the rotating shaft 301 are assembled.

Referring to Figures 1-5, a method of using a motor test tool includes the following steps:

S1. Before testing the motor, place the motor housing 201 between the arc-shaped bottom plate 202 and the arc-shaped top plate 204 and fix the position of the motor housing 201 with the tightening screw 205, and assemble the rotating shaft 301 to be tested. Sleeve between the two sector-shaped clamping blocks 303, and slide the two sector-shaped clamping blocks 303 from the arc-shaped opening to between the arc-shaped surfaces of the two vertical plates 302, through the arc-shaped clamping blocks 306 and the compression spring 307 to fix the position of the sector clamp 303;

S2. Start the drive motor 314 to make the first lead screw 209 and the second lead screw 310 rotate at the same time under the transmission of the belt 317, thereby making the T-block 210 and the I-shaped outside the first lead screw 209 and the second lead screw 310 move. The parts 311 move relatively at the same time, and the drive motor 314 can be turned off after the motor housing 201 and the rotating shaft 301 are assembled;

S3. The rotor dynamic balance test is performed on the assembled rotating shaft 301 and the motor housing 201, and the pull plate 308 on the side wall of the C-shaped frame 304 is pulled to be connected with the magnetic block on the side wall of the L-shaped support plate 309. The fan-shaped clamping block 303 is disconnected from the connection with the rotating shaft 301, that is, the connection of the clamping unit is released, and the rotating shaft 301 can be balanced with the help of the external driving tool.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (9)

1. The utility model provides a motor test fixture which characterized in that includes:

the supporting structure (100) comprises a supporting bottom plate (101) and a plurality of supporting columns (102) which are uniformly distributed and connected to the upper end of the supporting bottom plate (101), and the upper ends of the plurality of supporting columns (102) are fixedly connected with a same horizontal supporting top plate (103);

the machine shell structure (200) comprises a machine shell (201), a limiting unit connected with the machine shell (201) is arranged on the outer side of the machine shell (201), and a conveying unit connected with the limiting unit is arranged at the upper end of the supporting bottom plate (101);

pivot structure (300), including pivot (301), the axle center collineation of pivot (301) and motor casing (201) sets up relatively, the outside of pivot (301) is provided with the centre gripping unit, the upper end of supporting roof (103) is provided with the handling unit of being connected with the centre gripping unit, connect through the transmission unit cooperation between handling unit and the conveying unit, handling unit and conveying unit simultaneous working are assembled motor casing (201) and pivot (301).

2. The motor test tool according to claim 1, wherein the limiting unit comprises an arc-shaped bottom plate (202) sleeved outside the motor shell (201), two movable plates (203) are inserted into the upper end of the arc-shaped bottom plate (202) in a sliding mode, the upper ends of the two movable plates (203) are fixedly connected with the same arc-shaped top plate (204), the upper end of the arc-shaped top plate (204) is connected with a vertical fastening screw (205) in a threaded mode, and the lower end of the fastening screw (205) is fixedly connected with a limiting block in contact with the motor shell (201).

3. The motor test tool according to claim 2, wherein the conveying unit comprises two bending rods (206) fixedly connected to the lower end of an arc-shaped bottom plate (202), the lower end of each bending rod (206) is fixedly connected with a movable block (207), the upper end of a supporting bottom plate (101) is fixedly connected with two trapezoidal plates (208) arranged in parallel, each movable block (207) is sleeved on the outer side of each trapezoidal plate (208) in a sliding mode, a strip-shaped groove is formed in the supporting bottom plate (101) between the two trapezoidal plates (208), a first lead screw (209) is connected to the inner thread of the strip-shaped groove, a T-shaped block (210) is connected to the outer thread of the first lead screw (209), and the upper end of the T-shaped block (210) extends to the upper side of the strip-shaped groove and is fixedly connected with the two movable blocks (207).

4. The motor test tool according to claim 2, wherein an opening communicated with the upper part and the lower part is formed in the lower end of the arc-shaped bottom plate (202), and a guide wheel (211) contacted with a motor shell (201) is rotationally connected in the opening.

5. The motor test tool according to claim 3, wherein the clamping unit comprises two vertical plates (302) sleeved outside the rotating shaft (301), arc-shaped surfaces corresponding to the rotating shaft (301) are arranged on the two opposite side walls of the two vertical plates (302), arc-shaped openings communicated left and right are formed in the side walls of the arc-shaped surfaces, the arc-shaped openings are connected with the fan-shaped clamping blocks (303) in a sliding mode, the rotating shaft (301) is correspondingly connected between the two fan-shaped clamping blocks (303), C-shaped frames (304) with notches opposite to the arc-shaped openings are fixedly connected to the outer side walls of the arc-shaped surfaces, and adjusting components connected with the fan-shaped clamping blocks (303) are arranged on the side walls of the C-shaped frames (304).

6. The motor test tool of claim 5, wherein the adjusting component comprises a moving rod (305) connected to the outer side wall of the C-shaped frame (304) in a sliding manner, one end of the moving rod (305) extends into the notch and is fixedly connected with an arc-shaped clamping block (306) which is propped against the fan-shaped clamping block (303), a compression spring (307) is sleeved outside the movable rod at the inner side of the C-shaped frame (304), and two ends of the compression spring (307) are respectively fixedly connected with the C-shaped frame (304) and the arc-shaped clamping block (306), one end of the moving rod (305) far away from the arc-shaped clamping block (306) extends to the outer side of the C-shaped frame (304) and is fixedly connected with a vertical pulling plate (308), the outer side wall of the C-shaped frame (304) is fixedly connected with an L-shaped support plate (309), the side walls of the pulling plate (308) opposite to the L-shaped support plate (309) are respectively provided with magnetic blocks which are mutually adsorbed.

7. The motor test tool according to claim 6, wherein the lifting unit comprises a strip-shaped opening formed in the upper end of the supporting top plate (103), a second lead screw (310) is connected in the strip-shaped opening in a rotating mode, an I-shaped moving member (311) is connected to the outer side of the second lead screw (310) in a threaded mode, a vertical supporting rod (312) is fixedly connected to the lower end of the I-shaped moving member (311), and the two vertical plates (302) are symmetrically connected to two sides of the supporting rod (312) and fixed through bolts and nuts.

8. The motor test tool according to claim 7, wherein the transmission unit comprises a vertical shell (313) fixedly connected to the side walls of the support base plate (101) and the support top plate (103), one end of each of the first lead screw (209) and the second lead screw (310) extends into the shell (313), a driving motor (314) is fixedly connected to the center of the outer side wall of the shell (313), a driving shaft of the driving motor (314) extends into the shell (313), a first belt wheel (315) is fixedly connected to the outer side of the driving shaft in the shell (313), second belt wheels (316) are fixedly sleeved on the outer side walls of the first lead screw (209) and the second lead screw (310) in the shell (313), and the first belt wheel (315) and the two second belt wheels (316) are connected through a belt (317).

9. The use method of the motor test tool is characterized by comprising the following steps:

s1, before testing the motor, the motor shell (201) is placed between the arc-shaped bottom plate (202) and the arc-shaped top plate (204) and the motor shell (201) is fixed in position through the fastening screw (205), the rotating shaft (301) to be assembled and tested is sleeved between the two fan-shaped clamping blocks (303), the two fan-shaped clamping blocks (303) slide to the position between the arc-shaped surfaces of the two vertical plates (302) from the arc-shaped opening, and the fan-shaped clamping blocks (303) are fixed in position through the action of the arc-shaped clamping blocks (306) and the compression spring (307);

s2, starting a driving motor (314) to enable a first lead screw (209) and a second lead screw (310) to rotate simultaneously under the transmission of a belt (317), further enabling a T-shaped block (210) and an I-shaped moving part (311) at the outer sides of the first lead screw (209) and the second lead screw (310) to move relatively simultaneously, and closing the driving motor (314) after the motor shell (201) and the rotating shaft (301) are assembled;

s3, carrying out a rotor dynamic balance test on the rotating shaft (301) and the motor shell (201) after assembly, pulling the pulling plate (308) on the side wall of the C-shaped frame (304) to be in adsorption connection with the magnetic block on the side wall of the L-shaped support plate (309), so that the fan-shaped clamping block (303) is separated from the connection with the rotating shaft (301), namely the connection of the clamping unit is released, and the rotating shaft (301) can be subjected to a balance test by means of a driving tool on the outer side.

Images