CN218893348U

CN218893348U - Lifting device

Info

Publication number: CN218893348U
Application number: CN202320159507.6U
Authority: CN
Inventors: 李纲; 李文博; 李建国
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-04-21
Anticipated expiration: 2033-02-03

Abstract

The utility model relates to a lifting device in the technical field of lifting equipment, which comprises a sliding rail, wherein the sliding rail is fixed on a corresponding wall surface through bolts, a rack is fixed on the lower surface of the sliding rail, a sliding component is arranged on the sliding rail, and the sliding component is connected with a seat; the sliding assembly comprises an upper clamping wheel, a lower gear and a forward and backward rotating motor which are mutually matched and connected, the upper clamping wheel is an I-shaped wheel matched with the sliding rail, the upper clamping wheel is erected on the sliding rail, the center of the upper clamping wheel is rotationally connected with a first connecting piece through a bearing, the lower gear is meshed with the rack, the center of the lower gear is fixedly connected with a rotating shaft, the lower end of the first connecting piece is rotationally connected with the rotating shaft through a bearing, the rotating shaft is connected with the forward and backward rotating motor, the forward and backward rotating motor is fixed on the first connecting piece, a second vertical connecting piece is connected to the first connecting piece, and the lower end of the second connecting piece is connected with the seat. The utility model has reasonable integral structure, wide application range and low cost.

Description

Lifting device

Technical Field

The utility model belongs to the technical field of lifting equipment, and particularly relates to a lifting device.

Background

In production and life, there are many occasions that climbing devices are needed, for example, in old building reconstruction, the problem that the old people have difficulty in climbing stairs is solved by installing the lifting devices for the convenience of the old people, and the lifting devices are used as emergency and the like for preventing the elevator from malfunctioning. Patent number CN110240046a discloses a suspension stair climbing machine, including wiping track subassembly, drive assembly, suspension assembly and collapsible seat, wiping track subassembly includes outer frame, electric guide rail and track, outer frame is fixed at the stair top, drive assembly sets up in outer frame, suspension assembly fixes on drive assembly, collapsible seat is fixed on suspension assembly. The patent adopts an electric guide rail, is specially used for the old, has higher cost and small application range, and therefore, a lifting device is needed to solve the problems.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a lifting device which comprises a sliding rail, wherein the sliding rail is fixed on a corresponding wall surface through bolts, the cross section of the sliding rail is rectangular, a rack is fixed on the lower surface of the sliding rail, a sliding component is arranged on the sliding rail, and the sliding component is connected with a seat;

the sliding assembly comprises an upper clamping wheel, a lower gear and a forward and backward rotating motor, the upper clamping wheel is an I-shaped wheel matched with the sliding rail, the upper clamping wheel is erected on the sliding rail, the lowest point of the upper clamping wheel is higher than the highest point of the bolt, the upper clamping wheel is not influenced to move along the sliding rail, the center of the upper clamping wheel is rotationally connected with a first connecting piece through a bearing, the lower gear is meshed with the rack, the center of the lower gear is fixedly connected with a rotating shaft, the lower end of the first connecting piece is rotationally connected with the rotating shaft through a bearing, the rotating shaft is connected with the forward and backward rotating motor, the forward and backward rotating motor is fixed on the first connecting piece, one connecting piece is connected with a second vertical connecting piece, and the lower end of the second connecting piece is connected with the seat.

Preferably, the lower gear comprises a left fixed disk and a right fixed disk, a plurality of fixed rods are fixed between the two fixed disks along the circumferential direction, and gaps between adjacent fixed rods are matched with teeth of the rack. The arrangement of the position is compact in structure, and the lower gear and the rack are reasonably matched, so that connection of the fixed disc and the rotating shaft and connection of the rotating shaft and the first connecting piece are facilitated.

Preferably, the forward and reverse rotating motor is connected with a storage battery, and the storage battery is arranged on the seat.

Preferably, the seat is provided with armrests and pedals, the seat is also provided with a storage battery box capable of being opened and closed, and the storage battery is arranged in the storage battery box, so that the installation and the maintenance are convenient.

Preferably, the sliding rail comprises a plurality of linear rails and a plurality of arc rails, the linear rails are obliquely arranged, two ends of each arc rail are respectively connected with a corresponding linear rail, and the arc rails are smoothly connected with the linear rails. The arc track teeth are arranged at the center of the lower surface of the arc track, the width of the arc track teeth is smaller than that of the teeth on the linear track, the arc track teeth can be meshed with the lower gear effectively, and stable transmission is realized. The climbing device can be installed in a corridor through the arrangement of the climbing device, the linear tracks are respectively fixed on the side walls of the stairs and are parallel to the inclined surfaces of the stairs, the adjacent linear tracks are connected through the arc-shaped tracks, the arc-shaped tracks are arranged on the walls corresponding to the platform between the two stairs, and smooth connection between the arc-shaped tracks and the linear tracks is convenient for smooth and steady passing of the sliding assembly. The sliding rail can be reasonably fixed on the wall of the corridor according to the condition of the corridor, and the sliding assembly moves back and forth along the sliding rail under the driving of the forward and reverse rotating motor, so that flexible climbing and lifting among floors are realized.

Preferably, the linear track is inclined at an angle of no more than 45 °.

Preferably, the framework of the sliding rail is a hollow steel pipe. The hollow steel pipe has low cost and light weight, and is convenient to bend, install and detach.

Preferably, the first connecting piece is in a shape of a 'return' with an opening at one side, the sliding rail passes through the first connecting piece, the opening of the first connecting piece faces the wall surface for fixing the sliding rail and corresponds to the bolt, the upper clamping wheel and the lower gear are both positioned in the inner cavity of the first connecting piece, the centers of the two sides of the upper clamping wheel are both rotationally connected with the inner wall of the first connecting piece through bearings, the rotating shafts of the two sides of the lower gear are rotationally connected with the inner wall of the corresponding first connecting piece through bearings, and the upper clamping wheel, the lower gear are matched with the structure of the first connecting piece, so that the lower gear is meshed with the rack more effectively, and the overall stability is improved; the positive and negative rotating motor is fixed in the middle of the top of the first connecting piece, and the situation that the normal work is influenced by the unbalance of the upper clamping wheel and the lower gear is avoided; the output shaft of the forward and reverse rotation motor is fixedly connected with a belt pulley, one end of the rotating shaft penetrates through the first connecting piece and is also fixedly connected with the belt pulley, and the two belt pulleys are connected through a belt;

the second connecting piece is connected with the bottom of the first connecting piece, the second connecting piece is close to the wall surface, the generation of the unbalanced condition is avoided, and the whole operation is more stable and reliable.

The utility model also comprises other components which can enable the lifting device to be used normally, for example, a control component (a control switch) of a forward and reverse rotating motor and the like are all conventional technical means in the field. In addition, the devices or components not limited in the utility model all adopt the conventional technical means in the field, such as a buffer device (a spring or a buffer cushion and the like) arranged on a seat, a rack, a forward and reverse rotation motor, an armrest, a pedal and the like are conventional devices in the field.

The working principle of the utility model is as follows: the upper clamping wheel is clamped on the sliding rail, so that the stability of the whole sliding assembly and riding comfort are improved while the upper clamping wheel and the sliding rail are kept in rolling friction, and the lower gear and the rack can be effectively meshed under the action of the first connecting piece; when the forward and reverse rotation motor rotates, the lower gear is driven to rotate, the lower gear moves along the sliding rail under the cooperation of the lower gear and the rack, the upper clamping wheel and the sliding rail generate rolling friction in the moving process, and the moving assembly drives the seat to move, so that climbing lifting is realized. The elevator can be installed in a low-rise residential building to facilitate the old people to go upstairs and downstairs, can also be installed in a high-rise stairwell, can be used as an emergency elevator when an elevator fails, can be used in a roadway to replace a monkey car, and is convenient for workers to carry tool materials to take; the device has reasonable integral structure, wide application range, low cost and greater practicability.

The utility model has the beneficial effects that the whole structure is compact and reasonable, the utility model can be installed in a low-rise residential building to facilitate the old people to go upstairs and downstairs, can also be installed in a high-rise stairwell, can be used as an emergency elevator when the elevator fails, and can also be used in a roadway, and has wide application range and low cost.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of a lifting device according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram illustrating the mounting of the upper clamping wheel and the sliding rail in FIG. 1;

FIG. 3 isbase:Sub>A partial cross-sectional view at A-A in FIG. 1;

FIG. 4 is a schematic view of the structure of the lower gear;

FIG. 5 is a top view of the linear rail and the arcuate rail in the stairwell;

fig. 6 is a bottom view of the slide rail of fig. 5.

In the figure: 1. a linear rail; 2. a rack; 3. a bolt; 4. a clamping wheel is arranged; 5. a first connecting piece; 6. a lower gear; 7. a forward and reverse rotation motor; 8. a second connecting piece; 9. an armrest; 10. foot pedal; 11. a seat; 12. a rotating shaft; 13. a fixed plate; 14. a fixed rod; 15. an arc-shaped track; 16. teeth; 17. a belt; 18. a belt pulley; 19. a wall surface; 20. stairs; 21. a platform; 22. an opening.

Detailed Description

The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which embodiments of the utility model are shown. All other embodiments, modifications, equivalents, improvements, etc., which are apparent to those skilled in the art without the benefit of this disclosure, are intended to be included within the scope of this utility model.

Examples

As shown in fig. 1-6, the utility model provides a lifting device, which comprises a sliding rail, wherein the sliding rail is fixed on a corresponding wall surface 19 through a bolt 3, the cross section of the sliding rail is rectangular, the sliding rail is made of square steel pipes, a rack 2 is fixed on the lower surface of the sliding rail, the rack is made of flat iron, and a sliding component is arranged on the sliding rail and is connected with a seat 11;

the sliding assembly comprises an upper clamping wheel 4, a lower gear 6 and a forward and backward rotating motor 7, the upper clamping wheel 4 is an I-shaped wheel matched with a sliding rail, the upper clamping wheel 4 is erected on the sliding rail, the lowest point of the upper clamping wheel 4 is higher than the highest point of a bolt 3, the upper clamping wheel 4 is not influenced to move along the sliding rail, the center of the upper clamping wheel 4 is rotationally connected with a first connecting piece 5 through a bearing, the lower gear 6 is meshed with a rack 2, the center of the lower gear 6 is fixedly connected with a rotating shaft 12, the lower end of the first connecting piece 5 is rotationally connected with the rotating shaft 12 through a bearing, the rotating shaft 12 is connected with the forward and backward rotating motor 7, the forward and backward rotating motor 7 is fixedly arranged on the first connecting piece 5, the first connecting piece 5 is connected with a second vertical connecting piece 8, and the lower end of the second connecting piece 8 is connected with a seat 11.

The lower gear 6 comprises a left fixed disk 13 and a right fixed disk 13, a plurality of fixed rods 14 are fixed between the two fixed disks 13 along the circumferential direction, and gaps between the adjacent fixed rods 14 are matched with teeth 16 of the rack 2. The arrangement of the position is simple in structure, and the lower gear 6 and the rack 2 can be reasonably matched, so that the connection of the fixed disc 13 and the rotating shaft 12 and the connection of the rotating shaft 12 and the first connecting piece 5 are facilitated. The lower gear 6 is I-shaped matched with the sliding rail, and is matched with the upper clamping wheel 4 on the sliding rail to form a clamping structure, so that the sliding rail is not easy to derail, and the sliding on the sliding rail is safer. The cooperation of lower gear and rack, rack setting are at the slide rail lower surface, go up card wheel bearing, go up card wheel and slide rail roll connection, and it is smoother to remove, can not produce great fluctuation in the motion process, takes more comfortablely.

The forward and reverse rotation motor 7 is connected with a storage battery, and the storage battery is arranged on the seat 11.

The seat 11 is provided with armrests 9 and pedals 10, the seat 11 is also provided with a storage battery box which can be opened and closed, and the storage battery is arranged in the storage battery box, so that the installation and the maintenance are convenient. The seat can be arranged as a folding seat, which saves space and is not described in detail herein for the prior art.

The sliding rail comprises a plurality of linear rails 1 and a plurality of arc rails 15, the linear rails 1 are obliquely arranged, two ends of each arc rail 15 are respectively connected with a corresponding linear rail 1, the arc rails 15 are smoothly connected with the linear rails 1, teeth of each arc rail are arranged at the center of the lower surface of each arc rail, the width of each tooth of each arc rail is smaller than that of each tooth on each linear rail, for example, the width of each tooth of each arc rail can be one third of the width of each tooth on each linear rail, and therefore, the teeth 16 of each arc rail can be meshed with a lower gear effectively, and stable transmission is realized. The climbing device can be installed in a corridor, the linear tracks are respectively fixed on the side walls of the stairs 20 and are parallel to the inclined surfaces of the stairs, the adjacent linear tracks are connected through arc-shaped tracks, the arc-shaped tracks are arranged on the walls corresponding to the platform 21 (the stair platform and the middle platform) between the two stairs, and smooth connection between the arc-shaped tracks and the linear tracks is convenient for smooth and steady passage of the sliding assembly. The sliding rail can be reasonably fixed on the wall of the corridor according to the condition of the corridor, and the sliding assembly moves back and forth along the sliding rail under the driving of the forward and reverse rotating motor, so that flexible climbing among floors is realized.

The inclination angle of the linear track is not more than 45 degrees, meets the building standards of residential buildings, and ensures the transmission safety.

The sliding rail is a common hollow square steel pipe. The hollow steel pipe has low cost, light weight and convenient installation and disassembly.

The first connecting piece 5 is in a 'back' shape, one side of the 'back' is provided with an opening 22, the sliding rail passes through the first connecting piece 5, the opening 22 of the first connecting piece 5 faces the wall 19 for fixing the sliding rail and corresponds to the bolt 3, when the first connecting piece moves on the sliding rail, the first connecting piece moves to the bolt, the bolt 3 passes through the opening, the movement of the first connecting piece 5 on the sliding rail is not influenced, the upper clamping wheel 4 and the lower gear are both positioned in the inner cavity of the first connecting piece 5, the centers of the two sides of the upper clamping wheel 4 are both in rotational connection with the inner wall of the first connecting piece 5 through bearings, the rotating shafts 12 of the two sides of the lower gear are both in rotational connection with the inner wall of the corresponding first connecting piece 5 through bearings, and the upper clamping wheel and the lower gear are matched with the structure of the first connecting piece, so that the lower gear is meshed with the rack more effectively, and the overall stability is improved; the positive and negative rotating motor is fixed in the middle of the top of the first connecting piece, and the situation that the normal work is influenced by the unbalance of the upper clamping wheel and the lower gear is avoided; the output shaft of the forward and reverse rotation motor is fixedly connected with a belt pulley, one end of the rotating shaft penetrates through the first connecting piece and is also fixedly connected with the belt pulley, and the two belt pulleys are connected through a belt;

The upper clamping wheel is clamped on the sliding rail, so that the rolling friction between the upper clamping wheel and the sliding rail is kept, the integral stability of the sliding assembly is improved, and the lower gear and the rack can be effectively meshed under the action of the first connecting piece; when the forward and reverse rotation motor rotates, the lower gear is driven to rotate, the lower gear moves along the sliding rail under the cooperation of the lower gear and the rack, the upper clamping wheel and the sliding rail generate rolling friction in the moving process, and the moving assembly drives the seat to move, so that climbing is realized. The elevator can be installed in a bottom resident building to facilitate the old people to go upstairs and downstairs, can also be installed in a high-rise stairwell, can be used as an emergency elevator when the elevator fails, can be used in a roadway, and has the advantages of reasonable and compact overall structure, wide application range, low cost and greater practicability.

The utility model has the advantages of convenient assembly and disassembly, convenient maintenance, mass production and field production according to special corridor. When the seat is not installed, the lifting device can be used for self-lifting the installed material tools and the like, and the material tools are installed in a layered manner from bottom to top, so that the labor intensity of workers is reduced.

The embodiments of the present utility model have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a elevating gear, includes the slide rail, the slide rail passes through the bolt fastening on corresponding wall, its characterized in that: the cross section of the sliding rail is rectangular, a rack is fixed on the lower surface of the sliding rail, a sliding component is arranged on the sliding rail, and the sliding component is connected with a seat;

the sliding assembly comprises an upper clamping wheel, a lower gear and a forward and backward rotating motor, the upper clamping wheel is a spool matched with the sliding rail, the upper clamping wheel frame is arranged on the sliding rail, the center of the upper clamping wheel is rotationally connected with a first connecting piece through a bearing, the lower gear is meshed with the rack, the center of the lower gear is fixedly connected with a rotating shaft, the lower end of the first connecting piece is rotationally connected with the rotating shaft through the bearing, the rotating shaft is connected with the forward and backward rotating motor, the forward and backward rotating motor is fixed on the first connecting piece, a second connecting piece is connected with a vertical connecting piece, and the lower end of the second connecting piece is connected with a seat.

2. A lifting device according to claim 1, wherein: the lower gear comprises a left fixed disk and a right fixed disk, a plurality of fixed rods are fixed between the two fixed disks along the circumferential direction, and gaps between adjacent fixed rods are matched with teeth of the rack.

3. A lifting device according to claim 1, wherein: the positive and negative rotating motor is connected with a storage battery, and the storage battery is arranged on the seat.

4. A lifting device according to claim 3, wherein: the seat is provided with armrests and pedals, the seat is also provided with a storage battery box capable of being opened and closed, and the storage battery is arranged in the storage battery box.

5. A lifting device according to claim 1, wherein: the sliding rail comprises a plurality of linear rails and a plurality of arc-shaped rails, wherein the linear rails are obliquely arranged, two ends of each arc-shaped rail are respectively connected with a corresponding linear rail, and the arc-shaped rails are smoothly connected with the linear rails.

6. A lifting device according to claim 5, wherein: the linear track is inclined by an angle of not more than 45 degrees.

7. A lifting device according to claim 1, wherein: the sliding rail is a hollow steel pipe.

8. A lifting device according to claim 1, wherein: the first connecting piece is in a 'back' shape with an opening at one side, the sliding rail passes through the first connecting piece, the opening of the first connecting piece faces the wall surface for fixing the sliding rail and corresponds to the bolt, the upper clamping wheel and the lower gear are both positioned in the inner cavity of the first connecting piece, the centers of the two sides of the upper clamping wheel are both rotationally connected with the inner wall of the first connecting piece through bearings, and the rotating shafts of the two sides of the lower gear are rotationally connected with the inner wall of the corresponding first connecting piece through bearings; the positive and negative rotating motor is fixed at the top of the first connecting piece, the output shaft of the positive and negative rotating motor is fixedly connected with a belt pulley, one end of the rotating shaft penetrates through the first connecting piece and is fixedly connected with the belt pulley, and the two belt pulleys are connected through a belt;

the second connecting piece is connected with the bottom of the first connecting piece, and the second connecting piece is arranged close to the wall surface.