CN216904627U - Motor end cover counterweight device - Google Patents
Motor end cover counterweight device Download PDFInfo
- Publication number
- CN216904627U CN216904627U CN202122818720.7U CN202122818720U CN216904627U CN 216904627 U CN216904627 U CN 216904627U CN 202122818720 U CN202122818720 U CN 202122818720U CN 216904627 U CN216904627 U CN 216904627U
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- end cover
- counterweight
- supporting screw
- rotor
- lap
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Abstract
Motor end cover counter weight device, its characterized in that: the counterweight assembly comprises a lap plate positioned on the end cover and a counterweight assembly connected with the lap plate, wherein the counterweight position of the counterweight assembly and the connecting position on the lap plate can be adjusted. According to the utility model, the connecting position of the counterweight component on the lapping plate and the counterweight position of the counterweight component are adjusted to enable the rotor assembly consisting of the rotor and the end cover to achieve moment balance when being hoisted, the gravity center is stable, the rotor assembly is not inclined along the vertical arrangement, the precision when the motor stator and the rotor are vertically combined is ensured, the safety, reliability and efficiency of the combination of the motor stator and the rotor are improved, and the labor intensity of the combination of the motor stator and the rotor is reduced.
Description
Technical Field
The utility model relates to a motor end cover counterweight device, and belongs to the technical field of motor stator and rotor combination.
Background
The motor of some models adopts a slender and small structural design, the stator and the rotor of the motor are vertically combined in the process, the stator and the end cover are special in integral structure, the motor combining operation process brings great trouble at present, and the following defects are mainly present: 1. when the motors are vertically combined, the end cover at the D end is firstly assembled on the rotor, and then the center of gravity of the end cover and the rotor is offset due to the special structure and asymmetric shape of the end cover, so that the end cover and the rotor cannot be stably lifted, the operability of personnel is poor, and besides the lifting operation, the personnel need to independently arrange the two hands to lift one heavy side of the end cover; 2. the failure rate of the assembling operation is high, the assembling is not uniform due to unstable gravity center, the assembling precision cannot be guaranteed by 100 percent, time and labor are wasted in the assembling process, and the quality is difficult to guarantee; 3. during the assembling process of the stator and the rotor, the gravity center is slightly shifted by 2-3 mm, which can cause the damage of the laminated sealing ring and the N-end bearing.
The stator and the rotor which face the motor of the type are assembled together, the whole structure of the end cover is special, the center of gravity of the end cover and the center of gravity of the rotor are easily offset, the assembling precision is difficult to guarantee, time and labor are wasted in the assembling process, the assembling parts are easily damaged, and the assembling quality is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
According to the motor end cover counterweight device provided by the utility model, the rotor assembly consisting of the rotor and the end cover achieves torque balance when being hoisted by adjusting the connecting position of the counterweight component on the lapping plate and the counterweight position of the counterweight component, the gravity center is stable, the counterweight component is not inclined along the vertical direction, the precision of the vertical combination of the stator and the rotor of the motor is ensured, the safety, the reliability and the efficiency of the combination of the stator and the rotor of the motor are improved, and the labor intensity of the combination of the stator and the rotor of the motor is reduced.
In order to achieve the purpose, the utility model adopts the technical scheme that:
motor end cover counter weight device, its characterized in that: the counterweight assembly comprises a lap plate positioned on the end cover and a counterweight assembly connected with the lap plate, wherein the counterweight position of the counterweight assembly and the connecting position on the lap plate can be adjusted.
Preferably, the lapping plate is provided with an arc seam allowance step matched with the end cover seam allowance, the lapping plate is provided with a mounting hole corresponding to the end cover connecting hole, and the arc seam allowance step is matched with the end cover seam allowance and is fastened in the end cover connecting hole by penetrating through the mounting hole by a bolt to attach and position the lapping plate on the end cover.
Preferably, the counterweight assembly comprises a supporting screw rod connected with the lapping plate and a counterweight block arranged on the supporting screw rod, the connecting position of the supporting screw rod on the lapping plate is adjustable, and the mounting position of the counterweight block on the supporting screw rod is adjustable.
Preferably, the 'connection position of the support screw on the lapping plate is adjustable' means that the lapping plate is provided with a strip-shaped hole connected with the support screw, the strip-shaped hole is radially arranged along the end cover and forms an included angle of 90 degrees with the support screw, and the connection position of the support screw on the lapping plate is adjusted along the strip-shaped hole.
Preferably, the front end of the supporting screw rod is provided with a spigot step matched with the edge of the lap joint plate and a through hole connected with the strip-shaped hole through a bolt.
Preferably, the balancing weight is sleeved on the supporting screw in a threaded fit manner and is positioned on the supporting screw through a limiting nut in threaded fit with the supporting screw.
The utility model has the beneficial effects that:
1. the counterweight device for the motor end cover is arranged on the end cover and comprises the lapping plate and the counterweight component, the lapping plate is connected with the end cover, the counterweight component is connected on the lapping plate, the structure is simple, the installation is convenient, a rotor assembly consisting of a rotor and the end cover achieves moment balance when the rotor assembly is hoisted by adjusting the connecting position of the counterweight component on the lapping plate and the counterweight position of the counterweight component, the center of gravity is stable, the rotor assembly is not inclined along the vertical arrangement, the precision of the vertical combination of the motor stator and the rotor is ensured, and the safety, the reliability and the efficiency of the combination of the motor stator and the rotor are improved.
2. Offer the bar hole on the overlap joint board, change the hookup location of supporting screw on the bar hole, adjust the hookup location of counter weight subassembly on the overlap joint board promptly, change the position of balancing weight on supporting screw, adjust the counter weight position of counter weight subassembly promptly, through the two-way regulation of hookup location and counter weight position, adjust the focus position of rotor assembly, accommodation process is simple and convenient, easily realize the vertical steady not slope of rotor assembly when hoist and mount, reduce the motor surely, intensity of labour when the rotor attaches together.
Drawings
Fig. 1 is a schematic diagram of a counterweight device of a motor end cover in an embodiment.
Fig. 2 is a cross-sectional view of the strap.
Fig. 3 is a sectional view of the support screw.
Fig. 4 is a schematic view of the motor end cap with the weight mounted on the end cap.
Fig. 5 is a schematic view of a rotor assembly.
Detailed Description
Embodiments of the present invention will be described in detail with reference to fig. 1 to 5.
Motor end cover counter weight device, its characterized in that: comprising a lapping plate 1 positioned on the end cover 100 and a weight component 2 connected with the lapping plate 1, wherein the weight position of the weight component 2 and the connecting position on the lapping plate 1 can be adjusted.
More than motor end cover counter weight device, the dress is on end cover 100, including lap strap 1 and counter weight component 2, lap strap 1 is connected with the end cover, counter weight component 2 is connected on lap strap 1, moreover, the steam generator is simple in structure, high durability and convenient installation, the rotor assembly who makes rotor and end cover constitution through adjusting the hookup location of counter weight component 2 on lap strap 1 and counter weight position of counter weight component 2 reaches moment balance when being hoisted, the focus is stable, set up not slope along the vertical, guarantee that the motor is decided, the vertical precision when assembling of rotor, improve the motor and decide, the security that the rotor attaches together, reliability and efficiency.
The lap plate 1 is provided with an arc seam allowance step 11 matched with the end cover seam allowance, the lap plate is provided with a mounting hole 12 corresponding to the end cover connecting hole, and the arc seam allowance step 11 is matched with the end cover seam allowance and is fastened in the end cover connecting hole by penetrating through the mounting hole 12 through a bolt so as to attach and position the lap plate on the end cover 100. Circular arc tang step 11 and end cover tang cooperation, the radial position of location lapping plate 1 on end cover 100, rethread bolt pass mounting hole 12 and end cover connecting hole and fasten, with lapping plate 1 location on end cover 100, the location structure of lapping plate 1 is simple, and it is convenient to roll over the dress.
The counterweight assembly 2 comprises a supporting screw rod 21 connected with the lapping plate and a counterweight 22 arranged on the supporting screw rod 21, the connecting position of the supporting screw rod 21 on the lapping plate 1 is adjustable, and the mounting position of the counterweight 22 on the supporting screw rod 21 is adjustable. The adjustment of the connecting position of the counterweight component 2 on the lapping plate is realized by adjusting the connecting position of the supporting screw 21 on the lapping plate 1, and the adjustment of the counterweight position of the counterweight component 2 is realized by adjusting the position of the counterweight block 22 on the supporting screw 21.
The 'adjustable connection position of the support screw 21 on the lapping plate 1' means that the lapping plate 1 is provided with a strip-shaped hole 13 connected with the support screw 21, the strip-shaped hole 13 is radially arranged along the end cover and forms an included angle of 90 degrees with the support screw 21, and the connection position of the support screw 21 on the lapping plate 1 is adjusted along the strip-shaped hole 13. The strip-shaped hole 13 is in a radial strip shape, and the connecting position of the supporting screw 21 is changed along the strip-shaped hole 13, so that the position of the balancing weight 22 relative to the end cover can be changed, and the gravity center of the end cover can be adjusted.
Wherein, the front end of the supporting screw 21 is provided with a seam allowance step 211 matched with the edge of the lapping plate 1 and a through hole 212 connected with the strip-shaped hole 13 through a bolt. The spigot step 211 radially positions the support screw 21 on the lapping plate 1, the through hole 212 is connected with the strip-shaped hole 13 through bolt fastening, so that the support screw 21 is positioned on the lapping plate 1, the connection structure of the support screw 21 and the lapping plate 1 is simple, and the connection position of the support screw 21 on the lapping plate 1 can be conveniently adjusted.
Preferably, the counterweight 22 is sleeved on the support screw 21 in a threaded fit manner, and is positioned on the support screw 21 through a limit nut 23 in a threaded fit manner with the support screw 21. Adjust the position of balancing weight 22 on supporting screw 21, adjust the counter weight position of counter weight subassembly 2 promptly, two stop nut 23 fix a position balancing weight 22 on supporting screw 21, and balancing weight 22 rolls over the dress convenience, can select for use the balancing weight 22 of different weight according to the counter weight demand. The gravity center position of the rotor assembly 200 is adjusted through the bidirectional adjustment of the connecting position and the counterweight position, the adjusting process is simple and convenient, the vertical stability and the non-inclination of the rotor assembly are easily realized during hoisting, and the labor intensity of the motor stator and the rotor during combination is reduced.
The method for vertically combining the stator and the rotor of the motor adopts the motor end cover counterweight device to counterweight the end cover, firstly, the motor end cover counterweight device is arranged at the position with lighter end cover, then, a rotor assembly 200 consisting of the rotor and the end cover is hoisted to the position right above the stator, then, the counterweight position of the counterweight assembly and the connecting position on the lapping plate are adjusted to enable the end cover to be horizontal, and finally, the rotor assembly 200 is descended to be combined into the stator. The vertical combination method of the stator and the rotor of the motor achieves moment balance when the rotor combination body composed of the rotor and the end cover is hoisted by adjusting the connecting position of the counterweight component 2 on the lapping plate 1 and the counterweight position of the counterweight component 2, the center of gravity is stable, the rotor combination body is not inclined along the vertical direction, the vertical combination precision of the stator and the rotor of the motor is ensured, and the safety, the reliability and the efficiency of the combination of the stator and the rotor of the motor are improved.
Here, "adjusting the counterweight position of the counterweight assembly 2 and the connection position on the strap 1 to make the end cover 100 horizontal" specifically means: firstly, adjusting the connecting position of a support screw 21 on the lapping plate 1 along a strip-shaped hole 13 to adjust the connecting position of the counterweight component on the lapping plate, and adjusting the position of a counterweight 22 on the support screw 21 to adjust the counterweight position of the counterweight component 2 to make the end cover basically horizontal; then, a level meter is placed on the end cover, and the level meter is leveled by finely adjusting the connecting position of the support screw rod in the strip-shaped hole and the position of the balancing weight on the support screw rod, so that the end cover is leveled. The end cover is roughly adjusted to be basically horizontal, fine adjustment is performed according to the indication of the level gauge to enable the end cover to be horizontal, the gravity center position of the rotor assembly is adjusted through bidirectional adjustment of the connecting position and the balance weight position, the adjusting process is simple and convenient, the rotor assembly is easy to vertically and stably not incline when being hoisted, and the labor intensity of assembling the stator and the rotor of the motor is reduced.
The technical solutions of the embodiments of the present invention are fully described above with reference to the accompanying drawings, and it should be noted that the described embodiments are only some embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Claims (6)
1. Motor end cover counter weight device, its characterized in that: the counterweight assembly comprises a lap plate positioned on the end cover and a counterweight assembly connected with the lap plate, wherein the counterweight position of the counterweight assembly and the connecting position on the lap plate can be adjusted.
2. The motor end cover weight device of claim 1, wherein: the lap joint plate is provided with an arc seam allowance step matched with the seam allowance of the end cover, the lap joint plate is provided with a mounting hole corresponding to the connecting hole of the end cover, and the arc seam allowance step is matched with the seam allowance of the end cover and is fastened in the connecting hole of the end cover by penetrating through the mounting hole by a bolt to attach and position the lap joint plate on the end cover.
3. The motor end cover weight device of claim 2, wherein: the counterweight assembly comprises a supporting screw rod connected with the lapping plate and a counterweight block arranged on the supporting screw rod, the connecting position of the supporting screw rod on the lapping plate is adjustable, and the mounting position of the counterweight block on the supporting screw rod is adjustable.
4. The motor end cover weight device of claim 3, wherein: the 'adjustable connecting position of the supporting screw rod on the lap-joint plate' means that the lap-joint plate is provided with a strip-shaped hole connected with the supporting screw rod, the strip-shaped hole is radially arranged along the end cover and forms an included angle of 90 degrees with the supporting screw rod, and the connecting position of the supporting screw rod on the lap-joint plate is adjusted along the strip-shaped hole.
5. The motor end cover weight device of claim 4, wherein: the front end of the supporting screw rod is provided with a spigot step matched with the edge of the lap joint plate and a through hole connected with the strip-shaped hole through a bolt.
6. The motor end cover weight device of claim 3, wherein: the balancing weight is sleeved on the supporting screw in a threaded matching manner and is positioned on the supporting screw through a limiting nut in threaded matching with the supporting screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122818720.7U CN216904627U (en) | 2021-11-17 | 2021-11-17 | Motor end cover counterweight device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122818720.7U CN216904627U (en) | 2021-11-17 | 2021-11-17 | Motor end cover counterweight device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216904627U true CN216904627U (en) | 2022-07-05 |
Family
ID=82200770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122818720.7U Active CN216904627U (en) | 2021-11-17 | 2021-11-17 | Motor end cover counterweight device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216904627U (en) |
-
2021
- 2021-11-17 CN CN202122818720.7U patent/CN216904627U/en active Active
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