CN215990502U - Electric induction motor rotor drawing-penetrating device - Google Patents
Electric induction motor rotor drawing-penetrating device Download PDFInfo
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- CN215990502U CN215990502U CN202121591973.9U CN202121591973U CN215990502U CN 215990502 U CN215990502 U CN 215990502U CN 202121591973 U CN202121591973 U CN 202121591973U CN 215990502 U CN215990502 U CN 215990502U
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Abstract
The utility model relates to an electric induction motor rotor drawing-penetrating device which comprises an X-direction moving mechanism, a Y-direction moving mechanism, a Z-direction moving mechanism, a motor thimble mechanism, a motor center adjusting tool and a movable rotor placing rack, wherein the X-direction moving mechanism, the Y-direction moving mechanism and the Z-direction moving mechanism of a lifting platform are arranged on a base and used for driving the lifting platform to move along X, Y and Z directions; the motor thimble mechanism comprises a left thimble fixed on the left end of the base and a right thimble arranged on the right end of the base, the right thimble can move along the X direction, and the centers of the left thimble and the right thimble are higher on the same line; the motor center adjusting tool is arranged on the lifting platform and used for adjusting the position of the motor so that the center of a motor rotor is superposed with the centers of the thimbles on the two sides; the movable rotor placing rack is used for placing the motor rotor when the rotor is installed and can be placed on the base to slide along the X direction. The utility model can solve the problem that the rotors of induction motors of different models are difficult to pull through.
Description
Technical Field
The utility model relates to an electric induction motor rotor assembling tool, in particular to a drawing-through device for induction motor rotors of different models.
Background
On average, large-scale power plant units have a large number of motors to be disassembled for maintenance every year. The number of parts to be disassembled and assembled is large, and the number of the parts is generally dozens. The drawing-through of the motor rotor is the work with the highest technical requirement and the highest manpower requirement. Because the air gap between the stator and the rotor of the induction motor is generally between 0.25 mm and 1.5mm, the stator and the rotor are easy to collide when the motor penetrates through the rotor, and the motor is damaged.
At present, a motor is disassembled and overhauled, a rotating and pulling-through device mainly adopts a false shaft method, a crank arm method and the like, all the methods need to use a movable travelling crane, a rotor is lifted by a steel wire rope, and the motor rotor is pulled out from a stator chamber.
These two methods have the following disadvantages:
(1) the two methods both need to frequently use the movable travelling crane, and the safety factor is low;
(2) the two methods need 3-5 persons to work in a matching way, so that the working efficiency is low and the labor intensity is high;
(3) because of the adoption of steel wire rope for hoisting, the rotor is inevitably shaken up and down and left and right, the balance degree of the rotor is difficult to control during the drawing-through process, and the rotor is easy to collide with and damage the motor during the drawing-through process.
Disclosure of Invention
The utility model provides a novel electric induction motor rotor drawing-through device, which is used for solving the problem of difficulty in drawing-through of induction motor rotors of different models.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: an electric induction motor drawing-through rotor device comprises an X-direction moving mechanism, a Y-direction moving mechanism, a Z-direction moving mechanism, a motor thimble mechanism, a motor center adjusting tool and a movable rotor placing rack of a lifting platform, wherein the X-direction moving mechanism, the Y-direction moving mechanism and the Z-direction moving mechanism of the lifting platform are arranged on a base and are used for driving the lifting platform to move along X, Y and Z directions; the motor thimble mechanism comprises a left thimble fixed on the left end of the base and a right thimble arranged on the right end of the base, the right thimble can move along the X direction, and the centers of the left thimble and the right thimble are higher on the same line and are used for propping against the two ends of the motor rotor; the motor center adjusting tool is installed on the lifting platform and used for adjusting the position of a motor, so that the center of a motor rotor is superposed with the centers of the thimbles on the two sides; the movable rotor placing rack is used for placing the motor rotor when the rotor is installed and can be placed on the base to slide along the X direction.
Furthermore, X of the lifting platform comprises a left servo motor and a transverse guide rail, the transverse guide rail is installed on the base, a screw rod in the transverse guide rail is connected with the left servo motor, and a Y-direction moving mechanism is connected onto a sliding block which is connected with the screw rod in a matched mode.
Furthermore, the Y-direction moving mechanism adopts a short-stroke precise linear module, and a Z-direction moving mechanism is connected to the upper surface of a longitudinal guide rail in the short-stroke precise linear module.
Furthermore, the Z-direction moving mechanism adopts four servo electric cylinders which move vertically, the servo electric cylinders are connected with a lifting platform, and the lifting platform is used for supporting a motor.
Furthermore, the left thimble is fixedly arranged on the upper surface of the left end of the base through a left upright post, and the right thimble is arranged on the top of the right upright post and can adjust the extending length; the right upright post can freely move along the X direction through a bottom screw rod and a right servo motor.
Further, motor center adjustment frock includes right angle connecting plate, adjusting bolt, the right angle connecting plate passes through the bolt fastening on lift platform, be connected with adjusting bolt on the riser of right angle connecting plate, adjusting bolt one end withstands the motor machine foot, through manual adjustment adjusting bolt extension length, adjusts the position of motor for the coincidence of motor rotor center and both sides thimble center.
Further, the movable rotor placing rack is provided with V-shaped blocks, and the V-shaped blocks can be replaced according to the size of the rotor so as to adapt to the placement of different rotors.
Furthermore, the base is provided with a U-shaped groove and bolt holes and is fixed with the guide rail platform on site through bolts, the base is provided with a lifting ring and is lifted and moved through a crane, and the base is suitable for different site installation.
The utility model has the beneficial effects that:
1. according to the utility model, the platform can move vertically, transversely and longitudinally, and is suitable for the extraction and penetration of rotors of motors with different sizes, weights and models.
2. According to the utility model, the motor rotor can be quickly pulled out and penetrated by a single person only by placing the travelling crane for the motor on the lifting platform, and the working efficiency is high, the safety coefficient is high, and the labor intensity is low.
3. According to the utility model, the moving parts of the platform in three directions are controlled by the servo motors, the moving precision is high, the rotor and the motor shell can be accurately positioned, and the rotor is not easy to collide in the process of drawing and penetrating the rotor.
Drawings
FIG. 1 is a schematic structural view of a motor rotor drawing-through device of the present invention;
FIG. 2 is a schematic view of a structure of a motor center adjusting tool;
FIG. 3 is a front view of a movable rotor placement gantry structure;
fig. 4 is a side view of a movable rotor placement gantry structure.
Detailed Description
The utility model is further described with reference to the following figures and examples.
As shown in fig. 1 to 4, an electric induction motor penetrating and withdrawing rotor device comprises a left servo motor 1, a left upright post 2, a left thimble 3, a lifting platform 4, a longitudinal guide rail 5, a motor center adjusting tool 6, a servo electric cylinder 7, a right thimble 8, a transverse guide rail 9, a base 10, a right upright post 11, a right servo motor 12 and a movable rotor placing rack 13.
Install transverse guide 9 on the base 10, longitudinal rail 5 is connected to transverse guide 9 upper surface, and lifting platform 4 is connected through servo electronic jar 7 that can vertical motion to longitudinal rail 5 upper surface, and lifting platform 4 is used for supporting the motor, and lifting platform 4 can be followed X, Y and the three direction of Z removal.
The X-direction movement of the lifting platform 4 is realized by driving a sliding screw rod below a base 10 to push a sliding block on a transverse guide rail 9 to move through a left servo motor 1, the Y-direction movement adopts a short-stroke precise linear module with short stroke and high precision, and the Z-direction movement adopts four servo electric cylinders 7 with short stroke and high thrust.
The left upright post 2 is fixedly arranged on the left end of the base 10, the top of the left upright post 2 is provided with a left thimble 3, the right upright post 11 is arranged on the right end of the base 10 and can freely move along the X direction through a bottom lead screw, and meanwhile, the right thimble 8 on the right upright post 11 can manually adjust the extension length of the lead screw; left servo motor 1 and right servo motor 12 are used for controlling lift platform 4 and right stand 11 bottom lead screw respectively on base 10 for lift platform 4 and right stand 11 can be respectively along X to the removal.
As shown in fig. 2, the motor center adjusting tool 6 comprises a right-angle connecting plate 6-1 and an adjusting bolt 6-2, the right-angle connecting plate 6-1 is fixed on the lifting platform 4 through the bolt 6-3, one end of the adjusting bolt 6-2 abuts against a motor foot, the extending length of the adjusting bolt 6-2 is manually adjusted, and the position of the motor is adjusted, so that the center of a motor rotor and the centers of thimbles on two sides are overlapped as much as possible.
As shown in fig. 3 and 4, the movable rotor placing rack 13 is used for placing the motor rotor when the rotor is installed, the movable rotor placing rack is provided with a lifting platform 13-1, the lifting platform 13-1 is provided with a V-shaped block 13-2, the rotor cannot roll when the motor rotor is placed on the rack, and the V-shaped block 13-2 can be replaced according to the size of the rotor so as to adapt to different rotor placement. Meanwhile, the movable rotor placing rack 13 can slide along the X direction of the electric induction motor drawing-through rotor device. The base 10 of the electric induction motor drawing-through rotor device is provided with a U-shaped groove and bolt holes, can be fixed with a guide rail platform on site through bolts, is provided with a lifting ring, can be moved through crane lifting, and is suitable for different site installation.
The method comprises the following specific steps:
(1) the motor is used for pumping a rotor: the height of the lifting platform 4 is accurately adjusted through a servo electric cylinder 7 of the lifting platform 4, so that the center height of a motor needing to pump a rotor is on the same line with the center heights of the left thimble 3 and the right thimble 8; hoisting a motor by a travelling crane, placing the motor on a lifting platform 4, removing a motor fan and a shaft extension end bearing end cover, adjusting the position of the motor to enable the left side of a motor rotor to be close to a left thimble 3 of a left upright post 2, and adjusting the position of a right upright post 8 by a right servo motor 12 to enable the left thimble 3 and the right thimble 8 to tightly prop against two ends of the motor rotor; starting the left servo motor 1 to enable the lifting platform 4 to move rightwards along the X direction until the stator moves to one side of the rotor, and then lifting the rotor out through a travelling crane; the hung rotor can be placed on the V-shaped block of the movable rotor placing rack 13, so that the rotor is prevented from rolling, and the safety in disassembly and assembly is ensured.
(2) The motor penetrates through a rotor: determining the height of the center of the motor, and adjusting the height of the lifting platform 4 to a reasonable position, namely the height difference between the centers of the left thimble 3 and the right thimble 8 and the lifting platform 4 is equal to the height of the center of the motor; adjusting the bolt extension length by adjusting a motor center adjusting tool 6, and preliminarily realizing the center shaft positioning of the stator on an XY plane; moving the lifting platform 4 provided with the stator to the right upright post 11, and enabling the right thimble 8 to penetrate through the stator shell; hanging a movable rotor placing rack 13 on a transverse guide rail 9 of a base 10, placing the rotor in a V-shaped block, and adjusting the height of the movable rotor placing rack to enable central holes at two ends of the rotor to be slightly lower than a left thimble 3 and a right thimble 8; moving the right upright post 11 to enable thimbles at two ends to prop against the central hole of the rotor, and then slowly lowering and moving the movable rotor placing rack 13; the lifting platform 4 slowly moves along the X left direction, when the stator quickly moves to the end face of the rotor, the stator stops moving, and the position of the stator is manually adjusted through a motor center adjusting tool 6 on the lifting platform 4, so that an air gap between the rotor and the stator is uniform; and moving the lifting platform 4 along the X left direction to enable the stator casing to pass through the rotor, and then installing.
Claims (8)
1. The utility model provides a device is worn to electronic induction machine rotor taking out, X including lift platform places rack, its characterized in that to moving mechanism, Y to moving mechanism and Z to moving mechanism, motor thimble mechanism, motor center adjustment frock, portable rotor: the X-direction moving mechanism, the Y-direction moving mechanism and the Z-direction moving mechanism of the lifting platform are arranged on the base and are used for driving the lifting platform to move along X, Y and Z directions; the motor thimble mechanism comprises a left thimble fixed on the left end of the base and a right thimble arranged on the right end of the base, the right thimble can move along the X direction, and the centers of the left thimble and the right thimble are higher on the same line and are used for propping against the two ends of the motor rotor; the motor center adjusting tool is installed on the lifting platform and used for adjusting the position of a motor, so that the center of a motor rotor is superposed with the centers of the thimbles on the two sides; the movable rotor placing rack is used for placing the motor rotor when the rotor is installed and can be placed on the base to slide along the X direction.
2. The electrodynamic induction machine rotor draw-through device of claim 1, wherein: the X-direction moving mechanism of the lifting platform comprises a left servo motor and a transverse guide rail, the transverse guide rail is installed on the base, a lead screw in the transverse guide rail is connected with the left servo motor, and a Y-direction moving mechanism is connected onto a sliding block which is connected with the lead screw in a matched mode.
3. The electrodynamic induction machine rotor draw-through device of claim 1, wherein: the Y-direction moving mechanism adopts a short-stroke precise linear module, and a Z-direction moving mechanism is connected to the upper surface of a longitudinal guide rail in the short-stroke precise linear module.
4. The electrodynamic induction machine rotor draw-through device of claim 1, wherein: the Z-direction moving mechanism adopts four servo electric cylinders which move vertically, the servo electric cylinders are connected with a lifting platform, and the lifting platform is used for supporting a motor.
5. The electrodynamic induction machine rotor draw-through device of claim 1, wherein: the left thimble is fixedly arranged on the upper surface of the left end of the base through the left upright post, and the right thimble is arranged at the top of the right upright post and can adjust the extending length; the right upright post can freely move along the X direction through a bottom screw rod and a right servo motor.
6. The electrodynamic induction machine rotor draw-through device of claim 1, wherein: the motor center adjusting tool comprises a right-angle connecting plate and adjusting bolts, the right-angle connecting plate is fixed on the lifting platform through the bolts, the adjusting bolts are connected to the vertical plate of the right-angle connecting plate, one ends of the adjusting bolts prop against the motor legs, the extending lengths of the adjusting bolts are manually adjusted, and the position of a motor is adjusted, so that the center of a motor rotor is coincided with the centers of the thimbles on two sides.
7. The electrodynamic induction machine rotor draw-through device of claim 1, wherein: the movable rotor placing rack is provided with a V-shaped block, and the V-shaped block can be replaced according to the size of the rotor so as to adapt to the placement of different rotors.
8. The electrodynamic induction machine rotor draw-through device of claim 1, wherein: the base is provided with a U-shaped groove and bolt holes and is fixed with a guide rail platform on site through bolts, the base is provided with a lifting ring and is lifted and moved through a crane, and the base is suitable for different site installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121591973.9U CN215990502U (en) | 2021-07-13 | 2021-07-13 | Electric induction motor rotor drawing-penetrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121591973.9U CN215990502U (en) | 2021-07-13 | 2021-07-13 | Electric induction motor rotor drawing-penetrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215990502U true CN215990502U (en) | 2022-03-08 |
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ID=80577279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121591973.9U Active CN215990502U (en) | 2021-07-13 | 2021-07-13 | Electric induction motor rotor drawing-penetrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215990502U (en) |
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2021
- 2021-07-13 CN CN202121591973.9U patent/CN215990502U/en active Active
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