CN218217069U

CN218217069U - Three-phase motor rotor installation mechanism

Info

Publication number: CN218217069U
Application number: CN202222780751.2U
Authority: CN
Inventors: 任惠生
Original assignee: Binzhou Bright Electric Co ltd
Current assignee: Binzhou Bright Electric Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-01-03
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a three-phase electric motor rotor installation mechanism, the loach carrying platform comprises a supporting fram, support frame upper surface middle part both sides all are equipped with the fixed knot who is used for fixed three-phase electric motor casing and construct, support frame bottom internal fixation has square guide arm. The utility model discloses in, be provided with the support frame, the both sides of support frame are equipped with the bearing structure that can remove, bearing structure is including square pipe and square bar, the square bar top is fixed with the installation piece that is used for installing electric motor rotor axle, when installing rotor and casing, can fix the rotor axle in the installation piece axle hole on support frame top earlier, then cup joint the bearing on the rotor axle, parts such as bearing cap end cover, and support frame top middle part still is equipped with the fixed knot who is used for fixed motor casing and constructs, thereby can remove bearing structure and make inside electric motor rotor inserts motor casing, realize the installation of rotor, use this installation mechanism, single installation that can accomplish electric motor rotor, thereby improve electric motor rotor's installation effectiveness greatly.

Description

Three-phase motor rotor installation mechanism

Technical Field

The utility model relates to a three-phase electric motor rotor installs technical field, especially relates to a three-phase electric motor rotor installation mechanism.

Background

The three-phase motor is characterized in that after three-phase alternating current is introduced into a three-phase stator winding of the motor, a rotating magnetic field is generated and cuts a rotor winding, so that induced current is generated in the rotor winding, a current-carrying rotor conductor generates electromagnetic force under the action of the stator rotating magnetic field, so that electromagnetic torque is formed on a motor rotating shaft to drive the motor to rotate, and the rotating direction of the motor is the same as the rotating direction of the rotating magnetic field.

Three-phase motor is when equipment in earlier stage and maintenance equipment, and the most common operation is installation electric motor rotor, and when installing three-phase electric motor rotor at present, must the cooperation of more than two people, lift the rotor alone, another person is at rotor both ends installation bearing, end cover, then with the rotor install motor shell again inside, this mounting means consumes the manpower relatively, consequently needs a mechanism that can improve rotor installation effectiveness urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a three-phase motor rotor installation mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a three-phase motor rotor installation mechanism, includes the support frame, support frame upper surface middle part both sides all are equipped with the fixed knot who is used for fixed three-phase motor casing and construct, the inside square guide arm that is fixed with in support frame bottom, the support frame roof just is located the guide arm and has seted up the bar mouth directly over, guide arm sliding surface is connected with two sliding sleeves, two the sliding sleeve top all is fixed with bearing structure, bearing structure is including being fixed in the square pipe of sliding sleeve upper surface, and the inside sliding connection in square nose portion has the square bar, the square bar top is fixed with the installation piece, the shaft hole that is used for fixed electric motor rotor axle is seted up at installation piece middle part.

Further, fixed knot constructs including the L shaped plate that is fixed in the support frame surface, the screw rod is worn to be equipped with by L shaped plate roof screw thread, and the screw rod top is fixed with the spanner, puts motor housing behind support frame surface middle part, can be through rotating the spanner for the screw rod descends, utilizes the screw rod bottom to support the side of tight motor housing both sides, makes motor housing fixed, the subsequent electric motor rotor's of being convenient for installation.

Further, the locking bolt is worn to be equipped with by installation piece top end screw thread, and inside the locking bolt bottom extended to the shaft hole, when inserting the electric motor rotor axle inside the shaft hole after, can be fixed the rotor shaft through screwing up the locking bolt to make bearing structure form the support to electric motor rotor.

Furthermore, the bottom wall rotates in the side pipe and is connected with the lead screw, the lead screw top run through the square pole inside and with the square pole screw thread rotation be connected, after the lead screw rotates, the lead screw can drive the square pole and reciprocate in square pipe to the height of adjustment installation piece makes the rotor height can adapt to motor housing's height, improves the flexibility of installation.

Further, the lead screw bottom mounting has the worm wheel, the square inside of pipe bottom just is close to worm wheel department and rotates and be connected with the pivot, pivot fixed surface has the worm, and worm wheel meshing, side pipe lateral wall and fixedly connected with hand wheel are passed to pivot one end, and after driving the worm rotation through rotating the hand wheel, the worm can drive the worm wheel and rotate, and then drives the lead screw and rotate, consequently can adjust the height of installation piece through rotating the hand wheel.

Further, a plurality of spherical grooves have all been seted up to roof and interior diapire in the sliding sleeve, and a plurality of spherical inslots inside all is equipped with the ball, one side and the guide arm surface roll connection that the ball is located outside the spherical groove, behind the fixed electric motor rotor of support frame top, the sliding sleeve bears great pressure, through setting up the ball, can reduce the frictional force before sliding sleeve and the guide arm for the sliding sleeve can smoothly slide.

Furthermore, the bases are fixed to the bottom ends of the two sides of the supporting frame, the supporting area of the bottom of the supporting frame can be increased through the bases, and the supporting frame is stable.

The utility model has the advantages that:

the utility model discloses when using, through setting up the support frame, the both sides of support frame are equipped with the bearing structure that can remove, bearing structure includes square pipe and square bar, the square bar top is fixed with the installation piece that is used for installing electric motor rotor axle, when installing rotor and casing, can fix the rotor axle in the installation piece axle hole on support frame top earlier, then cup joint the bearing on the rotor axle, parts such as bearing cap end cover, and support frame top middle part still is equipped with the fixed knot who is used for fixed motor casing and constructs, thereby can remove bearing structure and make inside electric motor rotor inserts motor casing, realize the installation of rotor, use this installation mechanism, single installation that can accomplish electric motor rotor, thereby improve electric motor rotor's installation effectiveness greatly.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a main sectional view of the present invention;

fig. 3 is an enlarged view of the position a of the present invention.

Illustration of the drawings:

1. a support frame; 2. an L-shaped plate; 3. a screw; 4. a wrench; 5. a guide bar; 6. a strip-shaped opening; 7. a sliding sleeve; 8. a square tube; 9. a square bar; 10. a screw rod; 11. mounting blocks; 12. a shaft hole; 13. locking the bolt; 14. a worm gear; 15. a rotating shaft; 16. a worm; 17. a hand wheel; 18. a spherical groove; 19. a ball bearing; 20. a base.

Detailed Description

As shown in fig. 1-fig. 3, relate to a three-phase motor rotor installation mechanism, including support frame 1, 1 upper surface middle part both sides of support frame all are equipped with the fixed knot who is used for fixed three-phase motor casing and construct, 1 bottom internal fixation of support frame has square guide arm 5, 1 roof of support frame just is located the guide arm 5 and has seted up bar mouth 6 directly over, 5 sliding surface of guide arm are connected with two

sliding sleeves

7, 7 tops of two sliding sleeves all are fixed with bearing structure, bearing structure is including the square pipe 8 that is fixed in 7 upper surfaces of sliding sleeves, and 8 top internal sliding connection in square pipe has square bar 9, the square bar 9 top is fixed with installation piece 11, the shaft hole 12 that is used for fixed motor rotor axle is seted up at installation piece 11 middle part. The bottom ends of two sides of the supporting frame 1 are both fixed with a base 20.

As shown in fig. 1, the fixing structure includes an L-shaped plate 2 fixed on the surface of the support frame 1, a screw 3 is threaded on the top wall of the L-shaped plate 2, a wrench 4 is fixed on the top end of the screw 3, the motor casing is placed in the middle of the surface of the support frame 1, the wrench 4 can be rotated to lower the screw 3, the bottom end of the screw 3 is abutted against the side edges of the two sides of the motor casing, the motor casing is fixed, and the subsequent installation of the motor rotor is facilitated.

As shown in fig. 1, the top end of the mounting block 11 is threaded with the locking bolt 13, and the bottom end of the locking bolt 13 extends into the shaft hole 12, and after the motor rotor shaft is inserted into the shaft hole 12, the locking bolt 13 can be screwed to fix the rotor shaft, so that the support structure supports the motor rotor.

As shown in fig. 2 and 3, a lead screw 10 is rotatably connected to the inner bottom wall of the square tube 8, and the top end of the lead screw 10 penetrates the square rod 9 and is rotatably connected to the square rod 9 by a screw thread. The bottom end of the screw rod 10 is fixed with a worm wheel 14, the bottom end of the square tube 8 is internally and rotatably connected with a rotating shaft 15 close to the worm wheel 14, the surface of the rotating shaft 15 is fixed with a worm 16, the worm 16 is meshed with the worm wheel 14, one end of the rotating shaft 15 penetrates through the side wall of the square tube 8 and is fixedly connected with a hand wheel 17, so that the screw rod 10 can be driven to rotate by rotating the hand wheel 17, the square tube 8 is driven by the screw rod 10 to move up and down, and the height adjustment of the mounting block 11 is realized.

As shown in fig. 3, a plurality of spherical grooves 18 are formed in both the inner top wall and the inner bottom wall of the sliding sleeve 7, balls 19 are arranged in the spherical grooves 18, and one side of each ball 19, which is located outside the spherical groove 18, is in rolling connection with the surface of the guide rod 5.

The working principle is as follows: during installation, a supporting structure is selected, a motor rotor shaft is inserted into a shaft hole 12 of a supporting structure installation block 11, then a locking bolt 13 is screwed to fix the rotor shaft, at the moment, parts such as a bearing, an end cover and the like can be installed at the other end of the rotor shaft, a motor shell is placed in the middle of the upper surface of a support frame 1, a screw rod 3 is driven by a rotating wrench 4 to abut against and fix the side edge of the bottom end of the motor shell, a hand wheel 17 corresponding to the bottom of the supporting structure can be rotated at the moment according to the height of the motor shell, a rotating shaft 15 and a worm 16 are driven by the hand wheel 17 to rotate, the worm 16 can drive a worm wheel 14 and a screw rod 10 to rotate, the square rod 9 is driven by the screw rod 10 to ascend or descend in a square pipe 8, the rotor shaft is located at the center of the motor shell, finally, the whole supporting structure is driven to move towards one side of the motor shell by moving a sliding sleeve 7, the rotor is inserted into the motor shell, after one end of the rotor far away from the current supporting structure is installed with the motor shell, the motor rotor, the other supporting structure can fix and support the motor rotor shaft, the motor rotor shaft can be easily installed without the waste of a plurality of people, and the people who need to easily replace the installation mechanism, and the people who need not to install the people who need to install the people who move the rotor.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a three-phase motor rotor installation mechanism which characterized in that: including support frame (1), support frame (1) upper surface middle part both sides all are equipped with the fixed knot who is used for fixed three phase motor casing and construct, support frame (1) bottom inside is fixed with square guide arm (5), support frame (1) roof just is located guide arm (5) and has seted up bar mouth (6) directly over, guide arm (5) surface sliding connection has two sliding sleeves (7), two sliding sleeve (7) top all is fixed with bearing structure, bearing structure is including square pipe (8) that are fixed in sliding sleeve (7) upper surface, and square pipe (8) top inside sliding connection has square bar (9), square bar (9) top is fixed with installation piece (11), shaft hole (12) that are used for fixed motor rotor axle are seted up at installation piece (11) middle part.

2. A three-phase electric machine rotor mounting mechanism as claimed in claim 1, wherein: the fixing structure comprises an L-shaped plate (2) fixed on the surface of the support frame (1), a screw rod (3) is arranged on the top wall of the L-shaped plate (2) in a threaded mode in a penetrating mode, and a wrench (4) is fixed to the top end of the screw rod (3).

3. The mounting mechanism for a rotor of a three-phase electric motor according to claim 1, wherein: the mounting block (11) top thread is worn to be equipped with locking bolt (13), and inside locking bolt (13) bottom extended to shaft hole (12).

4. A three-phase electric machine rotor mounting mechanism as claimed in claim 1, wherein: the square pipe (8) is connected with a screw rod (10) in a rotating mode through the inner bottom wall, the top end of the screw rod (10) penetrates through the inner portion of the square rod (9) and is connected with the square rod (9) in a rotating mode through threads.

5. The three-phase electric machine rotor mounting mechanism of claim 4, wherein: lead screw (10) bottom mounting has worm wheel (14), square pipe (8) bottom is inside and be close to worm wheel (14) department and rotate and be connected with pivot (15), pivot (15) surface mounting has worm (16), and worm (16) and worm wheel (14) meshing, square pipe (8) lateral wall and fixedly connected with hand wheel (17) are passed to pivot (15) one end.

6. A three-phase electric machine rotor mounting mechanism as claimed in claim 1, wherein: a plurality of spherical grooves (18) have all been seted up to roof and interior diapire in sliding sleeve (7), and a plurality of spherical grooves (18) inside all is equipped with ball (19), ball (19) are located one side outside spherical groove (18) and guide arm (5) surface roll connection.

7. A three-phase electric machine rotor mounting mechanism as claimed in claim 1, wherein: the base (20) is fixed at the bottom ends of the two sides of the support frame (1).