CN215558649U

CN215558649U - Electric lifting system lifter for automobile

Info

Publication number: CN215558649U
Application number: CN202120984031.0U
Authority: CN
Inventors: 王晟楷
Original assignee: Anhui Jinsheng Automobile Industry Co ltd
Current assignee: Anhui Jinsheng Automobile Industry Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2022-01-18
Anticipated expiration: 2031-05-10

Abstract

The utility model provides an automobile electric lifting system lifter applied to the technical field of truck parts, wherein a lower base (2) of the automobile electric lifting system lifter is provided with a lifter motor (3), a driving shaft of the lifter motor (3) is connected with an outer gear (4), the outer gear (4) is meshed with a gear I (5), the gear I (5) is meshed with a gear II (6), the gear II (6) is meshed with a gear III (7), the gear III (7) is connected with a planet wheel (8), the planet wheel (8) is connected with a coupling (10) through a transmission steel column (9), the coupling (10) is connected with the lower end of a lead screw (11), the lead screw (11) is screwed with a T-shaped nut (12), and a square tube (13) is fixedly connected outside the T-shaped nut (12). And effectively reduces maintenance, even realizes non-maintenance.

Description

Electric lifting system lifter for automobile

Technical Field

The utility model belongs to the technical field of truck parts, and particularly relates to an electric lifting system lifter for an automobile.

Background

At present, a hydraulic lifting system is used for a truck, and the hydraulic lifting system has the following defects: the first defect is that the rubber leather cup is pushed by hydraulic oil to transmit power inside the hydraulic oil cylinder, and the rubber is aged after long-term use, so that the hydraulic oil is extruded out, and the outside of the hydraulic oil cylinder is full of clay; the inside of the oil cylinder is lack of oil, and power cannot be fully output; oil supplement is often required, and the cost is increased. And in cold areas, due to the fact that the viscosity of hydraulic oil is increased and the hydraulic oil is not easy to flow at low temperature, power of an oil hydraulic cylinder cannot be output, a cab cannot be lifted, and the use of a truck is affected.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: aiming at the defects of the prior art, the automobile electric lifting system lifter is simple in structure, completely solves the problems of a hydraulic lifting system, can ensure that the lifting control of a truck cab can be realized under any condition, effectively reduces maintenance, even realizes maintenance-free, reduces the cost, and meets the use requirements of trucks.

To solve the technical problems, the utility model adopts the technical scheme that:

the utility model relates to an automobile electric lifting system lifter which comprises an upper base and a lower base, wherein a lifter motor is arranged on the lower base, a driving shaft of the lifter motor is connected with an external gear, the external gear is meshed with a gear I, the gear I is meshed with a gear II, the gear II is meshed with a gear III, the gear III is connected with a planet wheel through an eccentric shaft, the planet wheel is connected with a coupler through a transmission steel column, the coupler is connected with the lower end of a screw rod, a T-shaped nut is screwed on the screw rod, a square tube is fixedly connected to the outer part of the T-shaped nut, the upper end of the square tube is connected with the upper base 1, and the square tube is of a structure capable of being clamped in a dust cover.

The upper connecting hole on the upper base is connected with an automobile cab, and the lower connecting hole on the lower base is connected with an automobile chassis.

The automobile electric lifting system lifter further comprises a speed reducing mechanism, the speed reducing mechanism comprises an eccentric shaft, an inner gear and a planet gear, a gear III is fixedly connected with the eccentric shaft, teeth of a combined part of the eccentric shaft and the planet gear are meshed with teeth of the inner gear, one end of each transmission steel column is clamped in one positioning hole in the coupler, and the other end of each transmission steel column is clamped in one corresponding positioning hole in the planet gear.

The dust cover of the automobile electric lifting system lifter comprises a dust cover I and a dust cover II, wherein the dust cover I shields a speed reducing mechanism and a lifter motor at the lower part of a lead screw, the dust cover II shields a square tube, the lower part of the dust cover I is connected with a lower base, the dust cover II is connected with an upper base 1, and the lower part of the dust cover II is connected with the upper part of the dust cover I in a sleeved mode.

II inner walls of dust cover set up the limit switch support, the limit switch support mounting is on the boss of shaft coupling clamp plate, the rotatory installation of fastening bolt lower extreme is on the shaft coupling clamp plate, the lead screw is located on the shaft coupling clamp plate, the fastening bolt upper end is connected with upper portion clamp plate, limit switch support upper portion sets up limit switch, limit switch support lower part sets up limit switch down, install the stroke stopper on the T type nut, the reciprocating of stroke stopper touches upper and lower limit switch control lift process.

The number of teeth of the outer gear is less than that of the gear I, the number of teeth of the gear I is equal to that of the gear II, and the number of teeth of the gear II is less than that of the gear III.

The lifting mechanism motor start-stop and rotation direction can be controlled to the lifting mechanism motor, the control part of rotational speed regulation is connected, when the control part controls the lifting mechanism motor to rotate to one direction, the driving force that the lifting mechanism motor produced sets up to transmitting the lead screw, the lead screw rotates, drive T type nut rebound, drive the base rebound through square pipe, when the control part controls the lifting mechanism motor to rotate to another direction, the driving force that the lifting mechanism motor produced sets up to transmitting the lead screw, the lead screw rotates, drive T type nut rebound, drive the base rebound through square pipe.

An upper joint bearing is arranged in an upper connecting hole on the upper base, and a lower joint bearing is arranged in a lower connecting hole on the lower base.

When T type nut rebound passed through square pipe and driven the base rebound, when the stroke stopper contacted limit switch, control unit set up to control lift motor stall's structure, when T type nut rebound passed through square pipe and driven the base rebound, when the stroke stopper contacted limit switch down, control unit set up to control lift motor stall's structure.

By adopting the technical scheme of the utility model, the following beneficial effects can be obtained:

according to the automobile electric lifting system lifter, when the lifter motor receives a signal sent by a control part to work, the torque of the lifter motor is transmitted outwards through the external gear, the torque is sequentially transmitted to the eccentric shaft through the gear I, the gear II and the gear III to realize primary speed reduction, the power is transmitted to the eccentric shaft through the speed reduction mechanism comprising the internal gear and the planet wheel to realize secondary speed reduction, the power after speed reduction is transmitted to the screw rod through the transmission steel column and the coupling, due to the limitation of the fastening bolt, the screw rod drives the T-shaped nut to move up and down when rotating, and the T-shaped nut cannot rotate. The lifter motor rotates towards one direction, the T-shaped nut moves upwards, the square tube drives the upper base to move upwards, the lifter is extended, the lifter motor rotates towards the other direction, the T-shaped nut moves downwards, the square tube drives the upper base to move downwards, and the lifter is retracted. The upper base is connected with the automobile cab, the lower base is connected with the automobile chassis, the lifting requirement of the automobile cab is met, the lifting operation cannot be influenced due to external environment changes and long-term use of internal parts of the lifter, and normal lifting control can be achieved under any condition. The automobile electric lifting system lifter has a simple structure, completely solves the problems of a hydraulic lifting system, can ensure that the lifting control of a truck cab can be realized under any condition, effectively reduces maintenance, even realizes maintenance-free, reduces the cost and meets the use requirements of trucks.

Drawings

The contents of the description and the references in the drawings are briefly described as follows:

FIG. 1 is a schematic diagram of an external structure of an electric lifting system of an automobile according to the present invention;

FIG. 2 is a schematic diagram of an internal structure of an electric lifting system of an automobile according to the present invention;

FIG. 3 is an exploded view of the lifter of the electric lifting system of the vehicle according to the present invention;

in the drawings are labeled: 1. an upper base; 2. a lower base; 3. a motor (lift motor); 4. an outer gear; 5. a gear I; 6. a gear II; 7. a gear III; 8. a planet wheel; 9. a transmission steel column; 10. a coupling; 11. a lead screw; 12. a T-shaped nut; 13. a square tube; 14. an upper connecting hole; 16. a lower connection hole; 18. an eccentric shaft; 19. an internal gear; 21. a speed reduction mechanism; 22. a limit switch bracket; 23. a dust cover I; 24. a dust cover II; 25. an upper limit switch; 26. a stroke limit block 27 and a lower limit switch; 28. a coupler pressing plate; 29. the limit switch bracket fixes the boss; 30. a dust cover; 31. an upper knuckle bearing; 32. a lower spherical plain bearing; 33. fastening a bolt; 34. an upper platen; 35. a guide plate.

Detailed Description

The following detailed description of the embodiments of the present invention, such as the shapes and structures of the components, the mutual positions and connection relations among the components, the functions and operation principles of the components, will be made by referring to the accompanying drawings and the description of the embodiments:

as shown in fig. 1-fig. 3, the utility model relates to an automobile electric lifting system lifter, which comprises an upper base 1 and a lower base 2, wherein a lifter motor 3 is arranged on the lower base 2, a driving shaft of the lifter motor 3 is connected with an external gear 4, the external gear 4 is meshed with a gear i 5, the gear i 5 is meshed with a gear ii 6, the gear ii 6 is meshed with a gear iii 7, the gear iii 7 is connected with a planetary wheel 8 through an eccentric shaft 18, the planetary wheel 8 is connected with a coupling 10 through a transmission steel column 9, the coupling 10 is connected with the lower end of a screw rod 11, a T-shaped nut 12 is screwed on the screw rod 11, a square pipe 13 is fixedly connected outside the T-shaped nut 12, the upper end of the square pipe 13 is connected with the upper base 1, and the square pipe 13 is arranged in a structure capable of being clamped in a dust cover 30. Above-mentioned structure, when the signal that the control unit sent was received to the lift motor and when carrying out work, the moment of torsion of lift motor passes through the outside transmission of external gear, pass through gear I in proper order, gear II, gear III, realize that the power transmission of preliminary speed reduction is for the eccentric shaft, pass through the reduction gears including internal gear, planet wheel again, realize slowing down once more, power after the speed reduction, through the transmission steel column, the shaft coupling transmits the lead screw for, because fastening bolt's restriction, the lead screw drives T type nut and does the up-and-down motion when rotating, T type nut can not rotate. The lifter motor rotates towards one direction, the T-shaped nut moves upwards, the square tube drives the upper base to move upwards, the lifter is extended, the lifter motor rotates towards the other direction, the T-shaped nut moves downwards, the square tube drives the upper base to move downwards, and the lifter is retracted. The upper base is connected with the automobile cab, the lower base is connected with the automobile chassis, the lifting requirement of the automobile cab is met, the lifting operation cannot be influenced due to external environment changes and long-term use of internal parts of the lifter, and normal lifting control can be achieved under any condition. The automobile electric lifting system lifter has a simple structure, completely solves the problems of a hydraulic lifting system, can ensure that the lifting control of a truck cab can be realized under any condition, effectively reduces maintenance, even realizes maintenance-free, reduces the cost and meets the use requirements of trucks.

An upper connecting hole 14 on the upper base 1 is connected with an automobile cab, and a lower connecting hole 16 on the lower base 2 is connected with an automobile chassis. Above-mentioned structure, auttombilism room is connected with vehicle chassis is articulated on the one hand, and auttombilism room on the other hand passes through the lift and is connected with vehicle chassis to through the flexible control of lift, realize auttombilism room's lifting and shrink.

The automobile electric lifting system lifter further comprises a speed reducing mechanism 21, wherein the speed reducing mechanism 21 comprises an eccentric shaft 18, an internal gear 19 and a planet wheel 8, a gear III 7 is fixedly connected with the eccentric shaft 18, teeth of a combined part of the eccentric shaft 18 and the planet wheel 8 are meshed with teeth of the internal gear 19, one end of each transmission steel column 9 is clamped in one positioning hole in the coupler 10, and the other end of each transmission steel column 9 is clamped in a corresponding positioning hole in the planet wheel 8. Above-mentioned structure, reduction gears realizes the power that the motor provided and slows down once more, satisfies the demand.

The dust cover 30 of the automobile electric lifting system lifter comprises a dust cover I23 and a dust cover II 24, wherein the dust cover I23 shields the speed reducing mechanism 21 and the lifting motor 3 at the lower part of the screw rod 11, the dust cover II 24 shields the square tube 13, the lower part of the dust cover I23 is connected with the lower base 2, the dust cover II 24 is connected with the upper base 1, and the lower part of the dust cover II 24 is connected with the upper part of the dust cover I23 in a sleeved mode. According to the structure, the dust cover is used for shielding and protecting all parts of the lifter, meanwhile, after the dust cover II is installed, the dust cover can play a reliable dust-proof and water-proof role, the T-shaped nut can only move up and down relative to the four fastening bolts 1-33, and meanwhile, the T-shaped nut is limited to rotate.

The inner wall of the II 24 dust cover of the dust cover 30 is provided with a limit switch support 22, the limit switch support 22 is arranged on a limit switch support fixing boss (boss) 29 of a coupler pressing plate 28, the lower end of a fastening bolt 33 is rotatably arranged on the coupler pressing plate 28, a lead screw 11 is located on the coupler pressing plate 28, the upper end of the fastening bolt 33 is connected with an upper pressing plate 34, and a guide plate 35 is used for guiding. An upper limit switch 25 is arranged on the upper portion of the limit switch support 22, a lower limit switch 27 is arranged on the lower portion of the limit switch support 22, a stroke limit block 26 is installed on the T-shaped nut 12, and the stroke limit block 26 moves up and down to touch the upper limit switch and the lower limit switch to control the lifting process. When T type nut rebound passed through square pipe and driven the base rebound, when last limit switch contacted stroke stopper 26, control unit set up to control lift motor stall's structure, when T type nut rebound passed through square pipe 13 and driven the base rebound, when lower limit switch contacted stroke stopper 26, control unit set up to control lift motor stall's structure. Therefore, when the lifting device is controlled to stretch by the motor of the lifting device, the stretching stroke is controlled by the limit switch, and the overall performance of the structure is improved.

The number of teeth of external gear 4 be less than gear I5, the number of teeth of gear I5 and the number of teeth of gear II 6 are equal, the number of teeth of gear II 6 is less than gear III 7.

The lifting mechanism comprises a lifting mechanism motor 3, a control part, a square tube 13, a T-shaped nut 12, a square tube 11, a square tube 13, a control part, a screw rod 11, a T-shaped nut 12 and a control part, wherein the lifting mechanism motor 3 can be controlled to start, stop, rotate and adjust the rotating speed, the control part controls the lifting mechanism motor 3 to rotate towards one direction, the driving force generated by the lifting mechanism motor 3 is set to be capable of being transmitted to the screw rod 11, the screw rod 11 rotates to drive the T-shaped nut 12 to move upwards, the square tube 13 drives the lifting mechanism motor 3 to rotate towards the other direction, the driving force generated by the lifting mechanism motor 3 is set to be capable of being transmitted to the screw rod 11, the screw rod 11 rotates to drive the T-shaped nut 12 to move downwards, and the square tube 13 drives the upper base 1 to move downwards. When T type nut 12 upwards remove and drive base 1 upward movement through square pipe 13, when stroke stopper 26 contacts limit switch 25, control unit sets up to the structure that can control lift motor 3 stall, when T type nut 12 moves down and drives base 1 downward movement through square pipe 13, when stroke stopper 26 contacts limit switch 27, control unit sets up to the structure that can control lift motor 3 stall.

An upper joint bearing 31 is arranged in the upper connecting hole 14 on the upper base 1, and a lower joint bearing 32 is arranged in the lower connecting hole 16 on the lower base 2. With the structure, the bearing reduces abrasion.

According to the automobile electric lifting system lifter, when the lifter motor receives a signal sent by a control part to work, the torque of the lifter motor is transmitted outwards through the external gear, the torque is sequentially transmitted to the eccentric shaft through the gear I, the gear II and the gear III to realize primary speed reduction, the power is transmitted to the eccentric shaft through the speed reduction mechanism comprising the internal gear and the planet wheel to realize secondary speed reduction, the power after speed reduction is transmitted to the screw rod through the transmission steel column and the coupling, due to the limitation of the fastening bolt, the screw rod drives the T-shaped nut to move up and down when rotating, and the T-shaped nut cannot rotate. Can only move up and down, but can not rotate. The lifter motor rotates towards one direction, the T-shaped nut moves upwards, the square tube drives the upper base to move upwards, the lifter is extended, the lifter motor rotates towards the other direction, the T-shaped nut moves downwards, the square tube drives the upper base to move downwards, and the lifter is retracted. The upper base is connected with the automobile cab, the lower base is connected with the automobile chassis, the lifting requirement of the automobile cab is met, the lifting operation cannot be influenced due to external environment changes and long-term use of internal parts of the lifter, and normal lifting control can be achieved under any condition. The automobile electric lifting system lifter has a simple structure, completely solves the problems of a hydraulic lifting system, can ensure that the lifting control of a truck cab can be realized under any condition, effectively reduces maintenance, even realizes maintenance-free, reduces the cost and meets the use requirements of trucks.

The present invention has been described in connection with the accompanying drawings, and it is to be understood that the utility model is not limited to the specific embodiments disclosed, but is intended to cover various modifications, changes and equivalents of the embodiments of the utility model, and its application to other applications without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an electronic lifting systems of car lift which characterized in that: the automobile electric lifting system lifter comprises an upper base (1) and a lower base (2), the lower base (2) is provided with a lifter motor (3), a driving shaft of the lifter motor (3) is connected with an external gear (4), the external gear (4) is meshed with a gear I (5), the gear I (5) is meshed with a gear II (6), the gear II (6) is meshed with a gear III (7), the gear III (7) is connected with a planet wheel (8) through an eccentric shaft (18), the planet wheel (8) is connected with a coupler (10) through a transmission steel column (9), the coupler (10) is connected with the lower end of a lead screw (11), the lead screw (11) is screwed with a T-shaped nut (12), a square tube (13) is fixedly connected outside the T-shaped nut (12), the upper end of the square pipe (13) is connected with the upper base (1), and the square pipe (13) is of a structure capable of being clamped in the dust cover (30).

2. The automotive electric lifting system lifter of claim 1, characterized in that: an upper connecting hole (14) on the upper base (1) is connected with an automobile cab, and a lower connecting hole (16) on the lower base (2) is connected with an automobile chassis.

3. The automotive electric lifting system lifter according to claim 1 or 2, characterized in that: the automobile electric lifting system lifter further comprises a speed reducing mechanism (21), wherein the speed reducing mechanism (21) comprises an eccentric shaft (18), an internal gear (19) and a planet wheel (8), a gear III (7) is fixedly connected with the eccentric shaft (18), teeth of a combined part of the eccentric shaft (18) and the planet wheel (8) are meshed with teeth of the internal gear (19), one end of each transmission steel column (9) is clamped in one positioning hole in a coupler (10), and the other end of each transmission steel column (9) is clamped in a corresponding positioning hole in the planet wheel (8).

4. The automotive electric lifting system lifter of claim 2, characterized in that: the dust cover (30) of the automobile electric lifting system lifter comprises a dust cover I (23) and a dust cover II (24), wherein the dust cover I (23) shields a speed reducing mechanism (21) and a lifting device motor (3) at the lower part of a lead screw (11), the dust cover II (24) shields a square pipe (13), the lower part of the dust cover I (23) is connected with a lower base (2), the dust cover II (24) is connected with an upper base (1), and the lower part of the dust cover II (24) is connected with the upper part of the dust cover I (23) in a sleeved mode.

5. The automotive electric lifting system lifter of claim 4, characterized in that: dust cover II (24) inner wall of dust cover (30) set up limit switch support (22), limit switch support (22) are installed on boss (29) of shaft coupling clamp plate (28), fastening bolt (33) lower extreme rotation is installed on shaft coupling clamp plate (28), lead screw (11) are located on shaft coupling clamp plate (28), fastening bolt (33) upper end is connected with upper portion clamp plate (34), limit switch support (22) upper portion sets up limit switch (25), limit switch support (22) lower part sets up limit switch (27) down, install stroke stopper (26) on T type nut (12), limit switch control lift process about reciprocating touch of stroke stopper (26).

6. The automotive electric lifting system lifter according to claim 1 or 2, characterized in that: the number of teeth of external gear (4) be less than gear I (5), the number of teeth of gear I (5) and the number of teeth of gear II (6) equal, the number of teeth of gear II (6) be less than gear III (7).

7. The automotive electric lifting system lifter of claim 3, characterized in that: the lifting mechanism comprises a lifting mechanism motor (3), a control part, a T-shaped nut (12), a square tube (13) and an upper base (1), wherein the lifting mechanism motor (3) can be controlled to start and stop and rotate in the direction, the rotating speed is adjusted by the control part, when the control part controls the lifting mechanism motor (3) to rotate in one direction, the driving force generated by the lifting mechanism motor (3) is set to be capable of being transmitted to a lead screw (11), the lead screw (11) is driven to move upwards, the control part controls the lifting mechanism motor (3) to rotate in the other direction, the driving force generated by the lifting mechanism motor (3) is set to be capable of being transmitted to the lead screw (11), the lead screw (11) rotates, the T-shaped nut (12) is driven to move downwards, and the upper base (1) is driven to move downwards through the square tube (13).

8. The automotive electric lifting system lifter of claim 2, characterized in that: an upper knuckle bearing (31) is arranged in an upper connecting hole (14) on the upper base (1), and a lower knuckle bearing (32) is arranged in a lower connecting hole (16) on the lower base (2).

9. The automotive electric lifting system lifter of claim 5, characterized in that: t type nut (12) upward movement drive base (1) upward movement through square pipe (13) when, when spacing switch (25) on stroke stopper (26) contact, control unit sets up to the structure that can control lift motor (3) stall, when T type nut (12) move down and drive base (1) downward movement through square pipe (13), when stroke stopper (26) contact lower limit switch (27), control unit sets up to the structure that can control lift motor (3) stall.