CN210608803U

CN210608803U - Prevent eccentric motor pivot structure and electric motor car thereof

Info

Publication number: CN210608803U
Application number: CN201922231052.0U
Authority: CN
Inventors: 孙东宁; 宫俊宇; 苏士博
Original assignee: Shenyang Ligong University
Current assignee: Shenyang Ligong University
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-05-22
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a prevent eccentric motor pivot structure and electric motor car thereof, which comprises a substrate, bolt fixedly connected with motor support and backup pad are passed through at the top of base plate, motor support is located one side of backup pad, and the top of motor support passes through bolt fixedly connected with motor, the one end of motor is rotated and is connected with the pivot, the one end of pivot is provided with the connecting axle. This prevent eccentric motor pivot structure through synchronous movement's ball, can adjust according to the pivot thickness and the connecting axle thickness of motor to the countershaft supports with the connecting axle junction both sides, effectively carries on spacingly to countershaft and connecting axle turned position on the one hand, avoids eccentric rotation to cause the problem that motor inside wearing and tearing reduce motor life, improves the anti-eccentricity ability of structure, and on the other hand passes through the effectual kinetic energy loss that reduces of rotation of ball, improves the transmission efficiency of motor.

Description

Prevent eccentric motor pivot structure and electric motor car thereof

Technical Field

The utility model relates to the technical field of motors, specifically be a prevent eccentric motor pivot structure and electric motor car thereof.

Background

The motor is a device for converting electric energy into mechanical energy, and is characterized in that a rotating magnetic field is generated by utilizing an electrified coil and acts on a rotor to form magnetoelectric power rotating torque, the motor is divided into a direct current motor and an alternating current motor according to different power supplies, and most of the motors in a power system are alternating current motors.

However, most of the existing electric vehicles can widely use the motor as a driving structure, and the motor is easy to cause the problem that the rotating shaft of the motor generates eccentric rotation in the condition of inaccurate installation position in the power transmission process and influence of external force, so that the internal abrasion of the motor is caused, the service life of the motor is reduced, the driving safety of the electric vehicle is influenced even, and an effective anti-eccentric structure of the rotating shaft of the motor is lacked.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent eccentric motor pivot structure and electric motor car thereof to it lacks the technical problem of effectual motor pivot anti-eccentric structure to propose current electric motor car motor pivot in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-deflection motor rotating shaft structure, includes the base plate, there are motor support and backup pad at the top of base plate through bolt fixedly connected with, motor support is located one side of backup pad, and motor support's top is through bolt fixedly connected with motor, the one end of motor rotates and is connected with the pivot, the one end of pivot is provided with the connecting axle, the top symmetric welding of backup pad has two pole covers, the top of two pole covers all embeds the bracing piece, the top of two bracing pieces has welded first solid fixed ring and second solid fixed ring respectively, first solid fixed ring is located one side of second solid fixed ring, all rotate on one side outer wall of first solid fixed ring and second solid fixed ring and be connected with the commentaries on classics cover, the one end welding of commentaries on classics cover has the ring, the inside of first solid fixed ring and second solid fixed ring, the lead screw is characterized in that the outer wall of one side of the lead screw is connected with a moving frame in a screwing mode through threads, a ball seat is welded on the outer wall of one side of the moving frame, and a ball is embedded into one end, far away from the moving frame, of the ball seat.

Preferably, one end of the screw rod is welded with a bevel gear, and the bevel gear is meshed with the gear ring through gear teeth.

Preferably, a rotating ring is welded at one end of the rotating sleeve far away from the gear ring.

Preferably, the bottom end of the supporting rod is welded with a first piston plate, and the supporting rod is connected with the rod sleeve in a sliding manner.

Preferably, the top of the supporting plate is close to the space between the two rod sleeves and is fixedly connected with a piston cylinder through a bolt, the top of the piston cylinder is connected with a screw rod through threads in a screwing mode, and air pipes are arranged between the piston cylinder and the two rod sleeves.

Preferably, the top end of the screw rod is welded with a hand wheel, and the top end of the screw rod is welded with a second piston plate.

The utility model also provides an electric vehicle, including the electric motor car body and install in prevent eccentric motor pivot structure on the electric motor car body, prevent eccentric motor pivot structure and specifically be above-mentioned arbitrary prevent eccentric motor pivot structure.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a prevent eccentric motor pivot structure, ball through synchronous motion, can adjust according to the pivot thickness and the connecting axle thickness of motor, thereby support countershaft and connecting axle junction both sides, effective countershaft and connecting axle turned position carry on spacingly on the one hand, avoid eccentric rotation to cause the problem that the inside wearing and tearing of motor reduce motor life, the anti-eccentricity ability of improvement structure, on the other hand passes through the effectual kinetic energy loss that reduces of rotation of ball, the transmission efficiency of improvement motor, in addition, the first solid fixed ring of synchronous lift and the solid fixed ring of second can realize fixing on the horizontal coaxial position, and then guarantee to prevent that eccentric structure supports fixed stability.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the first retaining ring of the present invention;

fig. 3 is a side view of the present invention;

fig. 4 is a schematic view of the internal structure of the piston cylinder of the present invention.

In the figure: 1. a substrate; 2. a motor bracket; 3. a support plate; 4. an electric motor; 5. a rotating shaft; 6. a connecting shaft; 7. a rod sleeve; 8. a support bar; 9. a first retaining ring; 10. a second retaining ring; 11. a connecting rod; 12. rotating the sleeve; 13. a gear ring; 14. a lead screw; 15. a bevel gear; 16. a movable frame; 17. a ball seat; 18. a ball bearing; 19. rotating the ring; 20. a first piston plate; 21. a screw; 22. a hand wheel; 23. a second piston plate; 24. an air tube; 25. a piston cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an anti-deflection motor rotating shaft structure and an electric vehicle thereof comprise a substrate 1, a motor bracket 2, a support plate 3, a motor 4, a rotating shaft 5, a connecting shaft 6, a rod sleeve 7, a support rod 8, a first fixing ring 9, a second fixing ring 10, a connecting rod 11, a rotating sleeve 12, a gear ring 13, a lead screw 14, a bevel gear 15, a moving frame 16, a ball seat 17, a ball 18, a rotating ring 19, a first piston plate 20, a screw 21, a hand wheel 22, a second piston plate 23, an air pipe 24 and a piston cylinder 25, wherein the top of the substrate 1 is fixedly connected with the motor bracket 2 and the support plate 3 through bolts, the motor bracket 2 is positioned at one side of the support plate 3, the top of the motor bracket 2 is fixedly connected with the motor 4 through bolts, one end of the motor 4 is rotatably connected with the rotating shaft 5, one end of the rotating shaft 5 is provided with the connecting shaft, the top ends of the two rod sleeves 7 are respectively embedded with a support rod 8, the top ends of the two support rods 8 are respectively welded with a first fixing ring 9 and a second fixing ring 10, the first fixing ring 9 is positioned at one side of the second fixing ring 10, the outer walls of one sides of the first fixing ring 9 and the second fixing ring 10 are respectively connected with a rotating sleeve 12 in a rotating way, one end of the rotating sleeve 12 is welded with a gear ring 13, the interiors of the first fixing ring 9 and the second fixing ring 10 are respectively connected with a lead screw 14 in a rotating way, the outer wall of one side of the lead screw 14 is connected with a movable frame 16 in a rotating way through threads, the outer wall of one side of the movable frame 16 is welded with a ball seat 17, one end of the ball seat 17 far away from the movable frame 16 is embedded with a ball 18, the two sides of the joint of the rotating shaft 5 and the connecting shaft 6 of the motor 4 can be adjusted according to the thickness of the rotating shaft 5 and the connecting, the problem that the service life of the motor 4 is shortened due to the fact that the inner part of the motor 4 is abraded due to eccentric rotation is avoided, the eccentricity prevention capability of the structure is improved, on the other hand, kinetic energy loss is effectively reduced through rotation of the balls 18, and the transmission efficiency of the motor 4 is improved.

Further, the one end welding of lead screw 14 has bevel gear 15, and bevel gear 15 is connected through the tooth engagement with gear ring 13, is convenient for drive lead screw 14 and rotates, and then realizes moving 16 with the east.

Furthermore, a rotating ring 19 is welded at one end of the rotating sleeve 12, which is far away from the gear ring 13, so that the rotating sleeve 12 can be driven to rotate conveniently.

Further, the bottom welding of bracing piece 8 has first piston plate 20, and bracing piece 8 and rod cover 7 sliding connection guarantee the stability that bracing piece 8 removed.

Further, the top of the supporting plate 3 is close to the space between the two rod sleeves 7 and is fixedly connected with a piston cylinder 25 through a bolt, the top of the piston cylinder 25 is connected with a screw rod 21 through a thread in a screwing mode, an air pipe 24 is arranged between the piston cylinder 25 and the two rod sleeves 7, and two supporting rods 8 can be conveniently and synchronously lifted.

Furthermore, a hand wheel 22 is welded at the top end of the screw rod 21, and a second piston plate 23 is welded at the top end of the screw rod 21, so that the air pressure in the piston cylinder 25 can be changed by lifting the second piston plate 23.

Based on the anti-eccentric motor rotating shaft structure provided in the above embodiment, the invention also provides an electric vehicle, which comprises an electric vehicle body and the anti-eccentric motor rotating shaft structure arranged on the electric vehicle body, wherein the anti-eccentric motor rotating shaft structure is any one of the anti-eccentric motor rotating shaft structures in the above embodiments. Because the electric vehicle adopts the eccentric-preventing motor rotating shaft structure in the embodiment, the electric vehicle has the beneficial effects that the embodiment is referred to.

The working principle is as follows: firstly, fixing a motor bracket 2 on a substrate 1, driving a rotating shaft 5 to rotate by a motor 4, connecting a connecting shaft 6 with the rotating shaft 5 through a coupler, moving a first fixing ring 9 and a second fixing ring 10 to a joint according to the connecting position of the rotating shaft 5 and the connecting shaft 6, rotating a rotating ring 19, driving a rotating sleeve 12 to rotate by the rotating ring 19, driving a gear ring 13 to rotate by the rotating sleeve 12, connecting the gear ring 13 with a bevel gear 15 in a screwing way, driving a lead screw 14 to rotate by the bevel gear 15, connecting the lead screw 14 with a moving frame 16 in a screwing way, driving a ball seat 17 to move on the lead screw 14 by the moving frame 16, thereby realizing the movement of balls 18, realizing the limitation of the rotating position of the rotating shaft 5 when four balls 18 are all contacted with the rotating shaft 5, adjusting the length of a supporting rod 8 according to the height of the first fixing ring 9 and the second fixing ring 10, rotating the screw 21, and connecting the screw 21 with a piston cylinder, the screw 21 drives the second piston plate 23 to move up and down, so as to change the air pressure in the piston cylinder 25, and further the first piston plate 20 drives the support rod 8 to move in the rod sleeve 7, and after the adjustment is completed, the support plate 3 is fixed on the substrate 1.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a prevent eccentric motor pivot structure, includes base plate (1), its characterized in that: the top of the base plate (1) is fixedly connected with a motor support (2) and a support plate (3) through bolts, the motor support (2) is located on one side of the support plate (3), the top of the motor support (2) is fixedly connected with a motor (4) through bolts, one end of the motor (4) is rotatably connected with a rotating shaft (5), one end of the rotating shaft (5) is provided with a connecting shaft (6), two rod sleeves (7) are symmetrically welded on the top of the support plate (3), supporting rods (8) are embedded into the top ends of the two rod sleeves (7), a first fixing ring (9) and a second fixing ring (10) are respectively welded on the top ends of the two supporting rods (8), the first fixing ring (9) is located on one side of the second fixing ring (10), and a rotating sleeve (12) is rotatably connected on the outer wall of one side of the first fixing ring (9) and the second fixing ring (10, the one end welding of changeing cover (12) has gear ring (13), the inside of the solid fixed ring of first solid fixed ring (9) and the solid fixed ring of second (10) all rotates and is connected with lead screw (14), close soon through the screw thread on one side outer wall of lead screw (14) and be connected with removal frame (16), the welding has ball seat (17) on the outer wall of one side of removal frame (16), the one end embedding of keeping away from removal frame (16) on ball seat (17) has ball (18).

2. The eccentric-proof motor rotating shaft structure according to claim 1, wherein: one end of the screw rod (14) is welded with a bevel gear (15), and the bevel gear (15) is meshed with the gear ring (13) through gear teeth.

3. The eccentric-proof motor rotating shaft structure according to claim 1, wherein: and a rotating ring (19) is welded at one end of the rotating sleeve (12) far away from the gear ring (13).

4. The eccentric-proof motor rotating shaft structure according to claim 1, wherein: the bottom welding of bracing piece (8) has first piston plate (20), and bracing piece (8) and rod cover (7) sliding connection.

5. The eccentric-proof motor rotating shaft structure according to claim 1, wherein: the top of backup pad (3) is close to between two rod cover (7) through bolt fixedly connected with piston cylinder (25), the top of piston cylinder (25) is connected with screw rod (21) through the screw thread closure soon, all be provided with trachea (24) between piston cylinder (25) and two rod cover (7).

6. The rotation shaft structure of an anti-eccentric motor according to claim 5, characterized in that: the top welding of screw rod (21) has hand wheel (22), and the welding of screw rod (21) top has second piston plate (23).

7. The utility model provides an electric motor car, includes the electric motor car body and install in prevent eccentric motor pivot structure on the electric motor car body, its characterized in that: the eccentric-proof motor rotating shaft structure is specifically the eccentric-proof motor rotating shaft structure as claimed in any one of claims 1 to 6.