CN220550933U

CN220550933U - Shallow pit four-column lifter

Info

Publication number: CN220550933U
Application number: CN202322007088.7U
Authority: CN
Inventors: 宁朋刚; 崔富友; 董浩程; 胡海涛
Original assignee: Beijing Aerospace Huixin Technology Co ltd
Current assignee: Beijing Aerospace Huixin Technology Co ltd
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2024-03-01
Anticipated expiration: 2033-07-28

Abstract

The four-column elevator for shallow pit adopts four steel structure columns to support, and the transmission system is arranged on the ground of a pit of a well, and structurally comprises four steel structure columns, an elevator car, a movable pulley type counterweight and an elevator transmission system; the structure of the transmission and counterweight system is innovated, the difficulty and cost of civil engineering design and construction are reduced, the coordination with civil engineering design and construction units is simple, and the installation and debugging of the transmission system are convenient. The utility model has the advantages that: the upright post is stressed positively, the technical requirement on the embedded mounting plate is low, the transmission system is arranged downwards and is provided with a synchronous device, the synchronization of two power ends can be realized, the problem that the depth of a lifting foundation pit of the bottom layer is large is solved, the effective utilization rate of the space of the bottom layer is improved, the space of a foundation pit is greatly saved, the depth of the foundation pit is reduced to 800mm from about 2000mm, the installation and the maintenance are convenient, and the application prospect is good.

Description

Shallow pit four-column lifter

[ field of technology ]

The utility model relates to a shallow pit four-upright vertical lift, and belongs to the field of mechanical three-dimensional parking equipment.

[ background Art ]

In recent years, the holding capacity of urban automobiles is rapidly increased, and three-dimensional parking becomes an important way for solving the problem of difficult parking in large and medium-sized cities. The existing warehouse type three-dimensional parking equipment mainly comprises two types, namely plane moving type and roadway stacking type. In a plane moving type device, a lift plays a very important role, and by lifting and lowering the lift, vehicles at the entrance are transported to each parking floor when the vehicle is stored, and vehicles at each floor inside the parking device are transported to the entrance when the vehicle is taken. The common elevator adopts two upright posts and four upright posts, and the common four upright post elevator has the structure that the depth of a bottom foundation pit of the elevator is usually about 2 meters for accommodating corresponding transmission mechanisms, counterweight mechanisms and other equipment, so that the foundation pit is deeper, the construction difficulty of civil engineering is increased, the cost is higher, and the space utilization rate of the equipment is poorer; therefore, the elevator in the shallower pit form is designed, so that the problem of larger depth of the lifting foundation pit at the bottom layer can be solved, meanwhile, the construction difficulty and cost of civil engineering can be reduced, and the effective utilization rate of the bottom layer space is improved.

Through patent search, the concept of the design form of the related shallow pit lifter is not found, and the novel design has the characteristics of novelty and originality and has wider application space.

[ utility model ]

In view of the above, the utility model discloses a shallow pit four-column elevator which adopts a sprocket chain to provide lifting power, optimizes the structure of the elevator and the occupied space of a pit, has compact structure, small pit occupation depth and convenient maintenance.

The utility model aims to provide a shallow pit four-column lifter which is coordinated with civil engineering and construction units simply, reduces the difficulty and cost of civil engineering and construction, and is convenient for installation and debugging of a transmission system.

The specific technical scheme is as follows: the utility model provides a four stand elevators in shallow pit, includes four steel construction stands of lift, lift car, movable pulley formula counter weight, lift transmission system, characterized by: four stand columns are adopted, a transmission system is arranged on the ground of a well foundation pit, and the depth of the transmission foundation pit is reduced to 800mm from about 2000 mm.

The four steel structure upright posts of the shallow pit elevator are symmetrically arranged on the lifting transmission base at the lower part of the foundation pit of the elevator, and the lifting lift car is positioned in the middle of the four upright posts.

The lifting car of the shallow pit lifter consists of a car frame body, carrying trolley tracks, main guide wheels and side guide wheels, wherein the two carrying trolley tracks are symmetrically arranged in the center of the car body, the four corners of the car body are respectively provided with an upper group of guide wheels and a lower group of guide wheels, and each group of guide wheels comprises two main guide wheels and side guide wheels which are mutually 90 degrees and are in contact with the upright post guide rails.

The movable pulley type counterweight of the shallow pit elevator comprises a counterweight body frame body, a counterweight block, a counterweight guide wheel set and pulley type driven chain wheels, wherein the counterweight guide wheel set is arranged on two sides of the counterweight body and is in contact with the upright post guide rail, the counterweight block is arranged in the counterweight body, and the upper pulley type driven chain wheels and the lower pulley type driven chain wheels are used for realizing meshing steering of a lifting chain.

The lifting transmission system of the shallow pit lifter consists of a synchronous sprocket I, a synchronous frame, a synchronous sprocket II, a synchronous chain, a lifting motor, a driving shaft, a driving sprocket, a driving wheel frame, a lifting chain I, a lifting chain II, a driven sprocket and a driven wheel frame, wherein two groups of lifting motors and driving shafts connected with the lifting motor are arranged, one end of each group of driving shafts is connected with the driving sprocket and the synchronous sprocket I, the other end of each group of driving shafts is connected with another driving sprocket, the driving sprockets are arranged on the driving wheel frame, the two groups of lifting motors and the driving shafts are meshed with the synchronous sprocket I through the synchronous chain, one end of the lifting chain I bypasses the driving sprocket to be connected with the lower part of a lifting car, the other end of the lifting chain I bypasses a pulley type counterweight driven sprocket to be connected with the lower beam in the middle of a steel structure upright, one end of the lifting chain II is connected with the upper part of the lifting car, the other end of the lifting chain bypasses the driven sprocket arranged on the driven wheel frame at the top of the upright, and the pulley type counterweight driven sprocket is connected with the upper beam in the middle of the steel structure upright.

The working process of the utility model is as follows: when the car is stored, the lifting motors operate to drive the driving shafts and the driving sprockets to rotate, the two groups of lifting motors and the driving shafts are meshed with the synchronous sprocket I and the synchronous sprocket II through synchronous chains, the lifting chain I and the lifting chain II respectively bypass the lower driving sprocket, the top driven sprocket and the sliding sprocket on the counterweight frame, the lifting car is driven to move downwards through gear tooth meshing, the counterweight also moves upwards through the movement of the chain on the sliding sprocket (the counterweight stroke is half of the car stroke) to convey the car to the exchange layer, and the carrier enters the car body along the track to convey the car; the action is opposite to the parking when taking the car, and finally the car is sent to the entrance and the exit, so that the lifting and transporting functions of the car are realized.

The utility model has the advantages that: the upright post is stressed positively, the technical requirement on the embedded mounting plate is low, the transmission system is arranged downwards and is provided with a synchronous device, the synchronization of two power ends can be realized, meanwhile, the space of a foundation pit is greatly saved, and the depth requirement of a foundation pit is reduced to 800mm from about 2000mm, so that the installation and the maintenance are convenient.

[ description of the drawings ]

FIG. 1 is a front view of the present utility model

FIG. 2 is a side view of the present utility model

FIG. 3 is a top view of the present utility model

In the figure: 1. steel structure upright post, 2, lift car, 3, car support body, 4, travelling car track, 5, leading guide wheel, 6, side guide wheel, 7, movable pulley formula counter weight, 8, counter weight support body and balancing weight, 9, counter weight guide wheel group, 10, pulley type driven sprocket, 11, lift transmission system, 12, synchronous sprocket I,13, synchronous frame, 14, synchronous sprocket II,15, synchronous chain, 16, lift motor, 17, drive shaft, 18, drive sprocket, 19, drive wheel frame, 20, lift chain I,21, lift chain II,22, driven sprocket, 23, driven wheel frame.

[ detailed description ] of the utility model

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings.

The utility model is shown in fig. 1-3, and comprises a steel structure upright post 1, a lifting car 2, a movable pulley type counterweight 7 and a lifting transmission system 11 which are main components.

Four steel structure upright posts 1 are symmetrically arranged on a lifting transmission system 11 at the lower part of a lift well, and a lifting car 2 is positioned in the middle of the four steel structure upright posts 1.

The lift car 2 comprises a car frame body 3, a carrying trolley track 4, main guide wheels 5 and side guide wheels 6, wherein the two L-shaped carrying trolley tracks 4 are symmetrically arranged in the center of the car frame body 3, two groups of guide wheels are respectively arranged at four corners of the car frame body 3, each group of guide wheels comprises two main guide wheels 5 and side guide wheels 6 which are mutually 90 degrees and are in contact with the steel structure upright post 1, when the lift car 2 moves up and down, the main guide wheels 5 and the side guide wheels 6 roll along the surfaces of the steel structure upright post 1, the lift car frame body 3 is ensured not to deviate, and the guide and the positioning of the lifting motion of the lift car 2 are realized.

The movable pulley type counterweight 7 comprises a counterweight body frame body and a counterweight block 8, a counterweight guide wheel group 9 and a pulley type driven chain wheel 10, wherein the counterweight guide wheel group 9 is arranged at two sides of the counterweight body frame body and is in contact with the steel structure upright post 1, so that guiding and positioning in lifting movement of the movable pulley type counterweight 7 are realized, the pulley type driven chain wheel 10 is arranged at four corners of the counterweight body, the movement of a lifting chain drives the movable pulley type counterweight 7 to move up and down, and the movement of the pulley type driven chain wheel 10 is a movable pulley type, so that the stroke is halved, and the space occupied by the depth of a foundation pit of a lifter is greatly saved.

The lifting transmission system 11 consists of a synchronous sprocket I12, a synchronous frame 13, a synchronous sprocket II14, a synchronous chain 15, a lifting motor 16, a driving shaft 17, a driving sprocket 18, a driving wheel frame 19, a lifting chain I20, a lifting chain II21, a driven sprocket 22 and a driven wheel frame 23, wherein two groups of lifting motors 16 and the driving shaft 17 connected with the lifting motor 16 are arranged, one end of each group of driving shaft 17 is connected with the synchronous sprocket I12 and the driving sprocket 18, the other end is connected with the other driving sprocket 18, the driving sprocket 18 is arranged on the driving wheel frame 19, the two groups of lifting motors 16 and the driving shaft 17 are connected with the synchronous sprocket I12 and the synchronous sprocket II14 arranged on the synchronous frame 13 through the synchronous chain 15 in a meshed manner, the two groups of lifting chains I20 bypass the driving sprocket 18, one end bypasses the pulley type driven sprocket 10 on the movable pulley counterweight 7 and the middle lower beam of the steel structure upright 1 to be connected with the other end and the lower beam of the lifting car 2 to be fixed, the lifting chain II bypasses the driven sprocket 22 arranged on the top end 23 of the steel structure upright 1, and the upper pulley type driven sprocket 10 on the other end bypasses the movable pulley type counterweight 7 and the upper beam of the steel structure upright 1 to be connected with the upper beam of the upper car to be fixed.

The working process of the utility model is as follows: when the elevator is stored, the elevator motor 16 operates to drive the driving shaft 17 and the driving sprocket 18 to rotate, the two groups of elevator motors 16 and the driving shaft 17 are meshed with the synchronous sprocket I12 and the synchronous sprocket II14 through the synchronous chain 15 to keep consistent, the elevator chain I20 and the elevator chain II21 respectively bypass the driving sprocket 18 and the driven sprocket 22, the elevator car 2 is driven to move downwards through gear tooth meshing, meanwhile, the movable pulley type counterweight 7 moves in the pulley type driven sprocket 10 through the elevator chain to do elevator motion opposite to the elevator car 2, and the travel is half of that of the elevator car 2. The lifting car 2 conveys the car to the exchange layer through downward movement, and the carrier enters the car frame body 3 along the carrier rail 4 to carry the car; the action of taking the car is opposite to that of storing the car, and finally the car is sent to the entrance and the exit.

The foregoing is a detailed description of embodiments of the utility model and is not intended to limit the utility model thereto; those skilled in the art to which the present utility model pertains will recognize that all further modifications and equivalent solutions based on the inventive concept fall within the scope of the present utility model.

Claims

1. The utility model provides a four stand elevators in shallow pit, includes four steel construction stands (1), lift car (2), movable pulley formula counter weight (7), lift transmission system (11), its characterized in that: four steel structure upright posts (1) are adopted, a lifting transmission system (11) is arranged on the ground of a well foundation pit, and the depth of the transmission foundation pit is reduced to 800mm from about 2000 mm.

2. The shallow pit four column elevator of claim 1, wherein: the lifting car (2) consists of a car frame body (3), a carrying trolley track (4), main guide wheels (5) and side guide wheels (6), wherein the two L-shaped carrying trolley tracks (4) are symmetrically arranged in the center of the car frame body (3), the upper guide wheels and the lower guide wheels are respectively arranged at four corners of the car frame body (3), each guide wheel comprises two main guide wheels (5) and side guide wheels (6) which are in contact with the steel structure upright post (1) at 90 degrees, and when the lifting car (2) moves up and down, the guide wheels roll along the surface of the steel structure upright post (1).

3. The shallow pit four column elevator of claim 1, wherein: the movable pulley type counterweight (7) comprises a counterweight body frame body and a counterweight block (8), a counterweight guide wheel group (9) and pulley type driven chain wheels (10), wherein the counterweight guide wheel group (9) is arranged on two sides of the counterweight body frame body and the counterweight block (8) to be in contact with the steel structure upright posts (1), the pulley type driven chain wheels (10) are arranged at four corners of the counterweight body frame body and the counterweight block (8), the lifting chain drives the movable pulley type counterweight (7) to move up and down, and the stroke is halved because the pulley type driven chain wheels (10) are movable pulleys.

4. The shallow pit four column elevator of claim 1, wherein: the lifting transmission system (11) consists of a synchronous chain wheel I (12), a synchronous frame (13), a synchronous chain wheel II (14), a synchronous chain (15), a lifting motor (16), a driving shaft (17), a driving chain wheel (18), a driving wheel frame (19), a lifting chain I (20), a lifting chain II (21), a driven chain wheel (22) and a driven wheel frame (23), wherein the lifting motor (16) and the driving shaft (17) connected with the lifting motor are two groups, one end of the driving shaft (17) of each group is connected with the synchronous chain wheel I (12) and the driving chain wheel (18), the other end of the driving shaft (17) of each group is connected with the other driving chain wheel (18), the driving chain wheel (18) is arranged on the driving wheel frame (19), the two groups of lifting motors (16) and the driving shaft (17) are connected with the synchronous chain wheel II (14) arranged on the synchronous frame (13) through the synchronous chain (15) to realize the synchronization of the motion of the double motors, the lifting chain I (20) bypasses the driving chain wheel (18), one end bypasses the pulley type driven chain wheel (10) on the movable pulley counterweight (7) and the lower middle part of the steel structure upright post (1) are connected with the lifting cross beam (2) at the lower part of the car, the lifting chain II (21) bypasses a driven sprocket wheel (22) arranged on a driven wheel frame (23) at the top end of the steel structure upright post (1), one end bypasses a pulley type driven sprocket wheel (10) on a movable pulley type counterweight (7) to be connected with the middle upper beam of the steel structure upright post (1), and the other end is fixed with the upper part of the lifting lift car (2).