CN215558228U

CN215558228U - Guide rail bearing type direct-drive lifting device

Info

Publication number: CN215558228U
Application number: CN202122128848.0U
Authority: CN
Inventors: 刘靖强; 刘爱宝
Original assignee: Zibo New Century Elevator Engineering Co ltd
Current assignee: Zibo New Century Elevator Engineering Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-01-18
Anticipated expiration: 2031-09-03
Also published as: WO2023029119A1

Abstract

The utility model belongs to the technical field of lifting devices, and relates to a guide rail bearing type direct-drive lifting device which comprises a frame plate and two guide rails, wherein the two guide rails are respectively arranged at two ends of the frame plate, and at least one of two side surfaces of each guide rail is provided with a tooth socket; two sides of the guide rail are respectively provided with a driving wheel, the periphery of at least one of the two driving wheels corresponding to one guide rail is provided with a transmission gear, the transmission gear is in meshing transmission with the tooth groove, and the driving wheels are connected with a driving motor group fixed on the frame plate through a transmission unit; the transmission unit is connected with a brake. The utility model has the advantages of simple structure, small volume, space saving, low production cost and installation cost, stable operation process, small shaking, no counterweight, energy saving and environmental protection.

Description

Guide rail bearing type direct-drive lifting device

Technical Field

The utility model relates to a guide rail bearing type direct-drive lifting device, and belongs to the technical field of lifting devices.

Background

The existing transmission modes basically comprise hydraulic transmission, screw transmission, traction type transmission and the like, and have the disadvantages of complex structure, more occupied space and complex installation, and need a counterweight device, a hydraulic cylinder body, a cable transmission device and the like. At present, an oil cylinder and a pump station are needed for hydraulic transmission, the oil cylinder needs high processing quality, more hydraulic oil is needed, the general speed is low, and the lifting height is not high; the screw transmission needs higher processing precision, the butt joint difficulty of the screw is higher, the speed is slower, and the higher height cannot be reached; the traction transmission needs a counterweight device, a transmission cable and a main machine room, the higher the lifting height is, the larger the self total weight is, the more the energy loss is, the larger the lifting weight is, the larger the static friction force of a traction part is, only the number of the traction ropes and the weight of heavy objects on two sides can be increased, the excessive energy loss is caused, and the manufacturing cost is increased. The existing straight rack and gear drive the box body to operate, the roller rolls on the guide rail, the traction mode is distributed dispersedly, the safety is low, the operation noise is high, the shaking is large, the operation speed is low only without a speed regulating device, the general speed is less than 0.5m/s, and the lifting operation is not suitable for frequent and high-precision conditions.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the guide rail bearing type direct-drive lifting device is simple in structure, small in size, free of a machine room, capable of saving occupied space in a well with small space, low in production cost and installation cost, stable in operation process, small in shaking, free of counter weight, energy-saving and environment-friendly.

The utility model relates to a guide rail bearing type direct-drive lifting device which comprises a frame plate and two guide rails, wherein the two guide rails are respectively arranged at two ends of the frame plate, and at least one of two side surfaces of each guide rail is provided with a tooth socket; two sides of the guide rail are respectively provided with a driving wheel, the periphery of at least one of the two driving wheels corresponding to one guide rail is provided with a transmission gear, the transmission gear is in meshing transmission with the tooth groove, and the driving wheels are connected with a driving motor group fixed on the frame plate through a transmission unit; the transmission unit is connected with a brake.

Two guide rails are respectively fixed on two sides of the appointed installation space wall, and the lift car is fixedly connected with the bottom surface of the frame plate. The two sides of the guide rail are respectively provided with a driving wheel, so that the car can be effectively prevented from shaking forwards and backwards, and the stability of the car in the ascending or descending process is ensured; be carved with the tooth's socket in only one face in two sides of guide rail, be smooth plane on another, a periphery is equipped with the driving cog in two drive wheels that correspond respectively with two sides of guide rail, another is the smooth surface, can realize this moment that drive wheel and guide rail drive car realize ascending or descend, also can avoid the car to take place to rock around, all be carved with the tooth's socket on two sides of guide rail, two drive wheel peripheries that correspond respectively with two sides of guide rail also all are equipped with the driving cog, the process that the drive wheel and guide rail cooperation drive car realization ascending or descend is more stable this moment, and the weight upper limit that the car can undertake is bigger. In the working process, the driving motor set drives the driving wheel to be in meshing transmission with the guide rail through the transmission unit, so that the lift car ascends or descends, and the brake brakes at the designated position to stop the lift car. The existing brake is selected as the brake; aiming at different use working conditions, a plurality of guide rail bearing type direct-drive lifting devices can be used in a superposition mode during installation so as to deal with the lifting of a heavy lift car. The device does not need an equipment room, a counterweight device, a speed limiter device, a rope cable device and a hydraulic cylinder device, and has a simpler structure. During the in-service use, can respectively increase a direction wheelset in car below both sides, a direction wheelset includes two leading wheels, and two leading wheels are located the guide rail both sides respectively, and the leading wheel periphery also can set up the meshing tooth, and the meshing tooth on the leading wheel cooperatees with the tooth's socket of guide rail both sides, further prevents that the car from rocking.

Preferably, the driving motor set comprises four driving motors, and the four driving motors respectively drive one driving wheel correspondingly. The four driving motors are divided into two groups, the four driving motors are motors with double output shafts, each group comprises two driving motors, one output shaft of each driving motor is coaxially connected, and the other output shaft correspondingly drives one driving wheel; the four driving motors have the same rotating speed, are fixed with the same frame plate and work synchronously.

Preferably, the transmission unit include the transmission main shaft, driving motor is connected to transmission main shaft one end, the center gear wheel is connected to the other end, the drive wheel inner wall is equipped with the internal tooth, be equipped with a plurality of planet pinions between drive wheel internal tooth and the center gear wheel. The transmission unit not only can stably drive the driving wheel to rotate and realize meshing transmission with the guide rail, but also can realize flexible speed change.

Preferably, the driving motor is a permanent magnet synchronous motor, provides driving force when the driving motor runs upwards, does not go upwards and overspeed, and provides braking force when the driving motor runs downwards and provides electric power externally.

Preferably, the tooth grooves are continuous wavy linear semi-circular grooves; the transmission teeth are continuous wave line type semi-circular protrusions, and the continuous wave line type semi-circular grooves are matched with the continuous wave line type semi-circular protrusions. Tooth's socket and driving tooth are continuous wave line type, therefore the transmission process is comparatively steady, and for traditional rack and pinion transmission, the transmission noise of this device is littleer, is difficult for rocking.

Preferably, the guide rail is T-shaped, at least one of two side surfaces of a vertical plate of the T-shaped guide rail is provided with a tooth socket, and a bottom plate of the T-shaped guide rail is provided with a plurality of mounting holes. Two sides of the vertical plate of the T-shaped guide rail are respectively matched with a driving wheel, so that the front and back shaking of the car in the transmission process is effectively avoided.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model has simple structure, reasonable design, small volume, less occupied space, low production cost and installation cost, more stability in the operation process, small shaking, no counterweight, energy conservation and environmental protection; a plurality of the devices can be selected to be used in a superposition mode under appropriate conditions to meet the use requirements of heavy weight or a plurality of cages.

Drawings

FIG. 1 is a schematic structural view of a guide rail bearing type direct-drive lifting device;

FIG. 2 is a schematic view of a drive wheel configuration;

FIG. 3 is a schematic view of a guide rail configuration;

FIG. 4 is a front view of the guide rail bearing type direct drive lifting device in use;

fig. 5 is a top view of the guide rail bearing type direct-drive lifting device in a use state.

In the figure: 1. a frame plate; 2. a drive wheel; 3. a central bull gear; 4. a planet pinion gear; 5. a guide rail; 6. a brake; 7. a drive motor; 8. a transmission main shaft; 9. a tooth socket; 10. a transmission gear; 11. installing a space wall; 12. a car; 13. internal teeth.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1-5, the guide rail bearing type direct-drive lifting device comprises a frame plate 1 and two guide rails 5, wherein the two guide rails 5 are respectively arranged at two ends of the frame plate 1, and at least one of two side surfaces of the guide rail 5 is provided with a tooth groove 9; two sides of the guide rail 5 are respectively provided with a driving wheel 2, the periphery of at least one driving wheel 2 of the two driving wheels 2 corresponding to one guide rail 5 is provided with a transmission gear 10, the transmission gear 10 is in meshing transmission with a tooth groove 9, and the driving wheels 2 are connected with a driving motor group fixed on the frame plate 1 through a transmission unit; the transmission unit is connected with a brake 6.

In this embodiment:

The driving motor 7 group comprises four driving motors 7, and the four driving motors 7 respectively drive one driving wheel 2 correspondingly. The four driving motors 7 are divided into two groups, the four driving motors 7 are motors with double output shafts, each group comprises two driving motors 7, one output shaft of each driving motor 7 is coaxially connected, and the other output shaft correspondingly drives one driving wheel; the four driving motors 7 have the same rotating speed, the four driving motors 7 are fixed with the same frame plate 1, and the four driving motors 7 work synchronously.

The transmission unit comprises a transmission main shaft 8, one end of the transmission main shaft 8 is connected with a driving motor 7, the other end of the transmission main shaft is connected with a central big gear 3, inner teeth 13 are arranged on the inner wall of the driving wheel 2, and a plurality of planet pinions 4 are arranged between the inner teeth 13 of the driving wheel 2 and the central big gear 3. The transmission unit not only can stably drive the driving wheel 2 to rotate and realize meshing transmission with the guide rail 5, but also can realize flexible speed change.

The driving motor 7 is a permanent magnet synchronous motor, provides driving force when the device is operated upwards, does not go upwards and overspeed, and the driving motor 7 operated downwards provides braking force and provides electric power externally.

The tooth socket 9 is a continuous wave line type semi-circular groove; the driving teeth 10 are continuous wave line type semi-circular protrusions, and the continuous wave line type semi-circular grooves are matched with the continuous wave line type semi-circular protrusions. Tooth's socket 9 and driving tooth 10 are continuous wave line type, therefore the transmission process is comparatively steady, and for traditional rack and pinion transmission, the transmission noise of this device is littleer, is difficult for rocking.

The guide rail 5 is T-shaped, at least one of two side surfaces of a vertical plate of the T-shaped guide rail 5 is provided with a tooth socket 9, and a bottom plate of the T-shaped guide rail 5 is provided with a plurality of mounting holes. Two sides of the vertical plate of the T-shaped guide rail 5 are respectively matched with one driving wheel 2, so that the front and back shaking of the car 12 in the transmission process is effectively avoided.

Two guide rails 5 are fixed to both sides of a designated installation space wall 11, and a car 12 is fixedly connected to the bottom surface of a frame plate 1. Two sides of the guide rail 5 are respectively provided with a driving wheel 2, so that the car 12 can be effectively prevented from shaking forwards and backwards, and the stability of the car 12 in the ascending or descending process is ensured; be carved with tooth's socket 9 in only one face in two sides of guide rail 5, be smooth plane on another, a periphery in two drive wheels 2 that correspond respectively with two sides of guide rail 5 is equipped with driving tooth 10, another is the smooth surface, can realize this moment that drive wheel 2 and guide rail 5 drive car 12 and realize ascending or descending, also can avoid car 12 to take place to rock around, all be carved with tooth's socket 9 on two sides of guide rail 5, two drive wheel 2 peripheries that correspond respectively with two sides of guide rail 5 also all are equipped with driving tooth 10, the process that drive wheel 2 and guide rail 5 cooperation drive car 12 and realize ascending or descending is more stable this moment, and the weight upper limit that car 12 can bear is bigger. In the working process, the driving motor 7 group drives the driving wheel 2 to be meshed with the guide rail 5 through the transmission unit to realize the ascending or descending of the car 12, and the brake 6 brakes at the designated position to realize the stop operation of the car 12. The brake 6 is the existing brake 6; aiming at different use working conditions, a plurality of guide rails 5 can be used for bearing the direct-drive lifting device in the installation process and can be used in a superposition mode so as to deal with the lifting of the heavy car 12. The device does not need an equipment room, a counterweight device, a speed limiter device, a rope cable device and a hydraulic cylinder device, and has a simpler structure. During the in-service use, can respectively increase a direction wheelset in car 12 below both sides, a direction wheelset includes two leading wheels, and two leading wheels are located 5 both sides of guide rail respectively, and the leading wheel periphery also can set up the meshing tooth, and the meshing tooth on the leading wheel cooperatees with the tooth's socket at 5 both sides of guide rail, further prevents that car 12 from rocking. The driving wheel 2 can be a common circular driving wheel or a crawler-type driving wheel, the contact surface of the crawler-type driving wheel and the guide rail is more, the operation is stable, and the large-weight bearing condition can be applied.

Claims

1. The utility model provides a guide rail bears formula and directly drives hoisting device which characterized in that: the device comprises a frame plate (1) and two guide rails (5), wherein the two guide rails (5) are respectively arranged at two ends of the frame plate (1), and at least one of two side surfaces of each guide rail (5) is engraved with a tooth groove (9); two sides of the guide rail (5) are respectively provided with a driving wheel (2), at least one driving wheel (2) of the two driving wheels (2) corresponding to one guide rail (5) is provided with a transmission gear (10) at the periphery, the transmission gear (10) is in meshing transmission with the tooth groove (9), and the driving wheel (2) is connected with a driving motor set fixed on the frame plate (1) through a transmission unit; the transmission unit is connected with a brake (6).

2. The rail-carried direct-drive lifting device according to claim 1, characterized in that: the driving motor set comprises four driving motors (7), and the four driving motors (7) respectively drive one driving wheel (2) correspondingly.

3. The rail-carried direct-drive lifting device according to claim 2, characterized in that: the transmission unit comprises a transmission main shaft (8), one end of the transmission main shaft (8) is connected with a driving motor (7), the other end of the transmission main shaft is connected with a central big gear (3), inner teeth (13) are arranged on the inner wall of the driving wheel (2), and a plurality of planet pinions (4) are arranged between the inner teeth (13) of the driving wheel (2) and the central big gear (3).

4. The rail-carried direct-drive lifting device according to claim 2 or 3, characterized in that: the driving motor (7) is a permanent magnet synchronous motor.

5. The rail-carried direct-drive lifting device according to claim 1, characterized in that: the tooth socket (9) is a continuous wave line type semi-circular groove; the transmission teeth (10) are continuous wave line type semi-circular bulges, and the continuous wave line type semi-circular grooves are matched with the continuous wave line type semi-circular bulges.

6. The rail-carried direct-drive lifting device according to claim 1 or 5, characterized in that: the guide rail (5) is T-shaped, at least one of two side surfaces of a vertical plate of the T-shaped guide rail (5) is provided with a tooth groove (9), and a bottom plate of the T-shaped guide rail (5) is provided with a plurality of mounting holes.