Novel elevator driving device
By combining chain and rack and pinion drive methods, and using roller chains and roller sprockets, the problems of elevator vibration and lifting height limitation are solved, achieving smooth elevator operation and low-cost construction convenience.
Patent Information
- Application Number
- CN202610071242.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-20
- Publication Date
- 2026-03-06
AI Technical Summary
Existing elevator drive systems suffer from vibration and limited lifting height, and traditional structures are complex and costly.
By combining chain and rack and pinion drive methods, using roller chains and roller sprockets, and integrating them with column guide rails, pulley blocks, counterweights, and drive units, a new type of elevator drive device is formed.
This achieves smooth elevator operation and convenient construction, while reducing costs.
Smart Images
Figure CN121609188A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to villa and home elevators in the field of elevator manufacturing, and in particular to a novel elevator drive device. Background Technology
[0002] Currently, the main elevator drive methods in China include traction type, hydraulic type, screw type, chain type, and gear and rack type. For scientific research and practicality, this invention combines the chain type and gear and rack type to form a new type of elevator drive device. It takes into account the advantages of both chain type and gear and rack type, overcomes the vibration of the traditional gear and rack transmission process and the lifting height limitation of chain type, and has the advantages of simple structure, convenient construction, safety and reliability, and low cost. Summary of the Invention
[0003] This invention discloses a novel elevator drive device that combines chain and rack and pinion drive methods. Specifically, it replaces the traditional T-shaped rack with a traditional roller chain and the T-shaped gear with a roller sprocket. It comprises a column guide rail, pulley block, counterweight, roller chain, U-shaped connector, drive unit, roller sprocket, and car. The column guide rail is made of extruded square tubular aluminum alloy profile. The back of the profile has two T-shaped nut grooves for installing T-shaped nuts, facilitating connection and fixation of the column guide rail to the wall. The front of the profile has a roller chain retaining groove to hold the entire roller chain. There is also a sprocket on each of the left and right sides of the profile. The pulley block has a sliding groove, with a square hole in the middle of the profile for counterweight operation. The pulley block consists of one pulley frame, four front and rear positioning sliding pulleys, and two left and right positioning sliding pulleys. The pulley frame is made of die-cast aluminum alloy with an H-shaped cross-section. Four front and rear positioning sliding pulleys are symmetrically installed vertically and horizontally in the two notches of the H-shaped pulley frame. Two left and right positioning sliding pulleys, perpendicular to the direction of the front and rear positioning sliding pulleys, are installed at the top and bottom of the centerline of the H-shaped pulley frame. The pulley block slides vertically within the sliding grooves on the left and right sides of the column guide rail profile without dislodging. There are a total of four pulley blocks: two on each side and one on each top and bottom, connected by U-shaped connectors and installed at the bottom and top of the car. The car can slide up and down with the column guide rails; the counterweight consists of counterweight blocks and counterweight pulleys. The counterweight blocks are square metal columns with eight counterweight pulleys installed on each of the four faces (top and bottom) to ensure that the counterweight blocks do not damage the inner wall of the tube when moving up and down through the square hole in the middle of the column guide rail profile. The counterweight and the car are connected by steel wire ropes and achieve dynamic balance through steel wire rope pulleys installed at the top of the column guide rails; the roller chain is a standard national standard roller chain, installed in the roller chain slot at the front of the column guide rail profile, and the roller chain is equivalent to a traditional rack and pinion; the drive unit is a motor with a reduction gear and a braking device, installed on the top of the car to drive the car's lifting and lowering. The U-shaped connector is made of steel plate bent into a U-shape. The two vertical walls of the U-shaped connector are connected to two pulley groups by bolts. The bottom surface of the U-shaped connector connects to the bottom and top of the elevator car. There are two U-shaped connectors, one upper and one lower, each connecting to two sets of four pulley groups. The roller sprocket is a standard roller sprocket, mounted on the drive shaft. The roller sprocket is equivalent to a traditional gear. The elevator car is a frame-type car welded from steel pipes, facilitating the installation of the U-shaped connector and the drive unit. The roller sprocket meshes with the roller chain, much like a rack and pinion gear mesh. The rotation of the drive unit drives the roller sprocket to rotate on the roller chain, thus achieving the lifting and lowering of the elevator car. This invention is a novel elevator drive method, also known as a novel chain-type or novel rack and pinion elevator drive method, characterized by simple structure, smooth operation, convenient construction, and low cost. Attached Figure Description
[0004] Figure 1 This is a top view of the structure of the present invention;
[0005] Figure 2 This is a schematic diagram of the column guide rail structure;
[0006] Figure 3 This is a schematic diagram of the pulley system structure;
[0007] Figure 4 This is a schematic diagram of a counterweight structure.
[0008] The reference numerals in the attached drawings are explained as follows: 1. Column guide rail; 2. Pulley block; 3. Counterweight; 4. Roller chain; 5. U-shaped connector; 6. Drive unit; 7. Roller sprocket; 8. Car; 1-1. T-shaped nut groove; 1-2. Pulley block sliding groove; 1-3. Roller chain slot; 1-4. Counterweight running space; 2-1. Pulley frame; 2-2. Front and rear positioning sliding pulleys; 2-3. Left and right positioning sliding pulleys; 3-1. Counterweight; 3-2. Counterweight pulley. Detailed Implementation
[0009] This invention discloses a novel elevator drive device. The technical solution is further described below with reference to the accompanying drawings and examples. Please refer to [the accompanying drawings]. Figure 1 , Figure 2 , Figure 3 , Figure 4It consists of a column guide rail (1), a pulley block (2), a counterweight (3), a roller chain (4), a U-shaped connector (5), a drive unit (6), a roller sprocket (7), and a car (8). The column guide rail (1) is an aluminum alloy extruded square tubular profile. There are two T-shaped nut grooves (1-1) on the back of the profile for installing T-shaped nuts, which facilitates the connection and fixation of the column guide rail (1) to the wall. There is a roller chain slot (1-2) on the front of the profile for locking the entire roller chain (4). There is a pulley block sliding groove (1-3) on each of the left and right sides of the profile. The square hole in the middle of the profile is the counterweight running space (1-4). The pulley block (2) consists of one pulley frame (2-1), four front and rear positioning sliding pulleys (2-2), and two...The system consists of left and right positioning sliding pulleys. The pulley frame (2-1) is made of die-cast aluminum alloy with an H-shaped cross section. Four front and rear positioning sliding pulleys (2-2) are symmetrically installed in the two notches of the H-shaped pulley frame (2-1), one above the other and one to the left and one to the right. Two left and right positioning sliding pulleys (2-3) are installed at the top and bottom of the center line of the H-shaped pulley frame (2-1), which are perpendicular to the direction of the front and rear positioning sliding pulleys (2-2). The pulley group (2) slides up and down in the sliding groove of the pulley group (2) on the left and right sides of the column guide rail (1) profile without dislodging. There are a total of 4 sets of pulley groups (2), 2 sets on each side and 1 set on each top and bottom, connected by a U-shaped connection. The connector (5) is installed at the bottom and top of the car (8), and the car (8) can slide up and down with the column guide rail (1); the counterweight (3) is composed of a counterweight block (3-1) and counterweight pulleys (3-2). The counterweight block (3-1) is a metal square column, with one counterweight pulley (3-2) installed on each of the four faces at the top and bottom, for a total of eight counterweight pulleys (3-2), to ensure that the counterweight block (3-1) does not damage the inner wall of the pipe when it moves up and down in the square hole in the profile of the column guide rail (1). The counterweight (3) and the car (8) are connected by a steel wire rope and achieve dynamic balance through the steel wire rope wheel installed at the top of the column guide rail (1); the roller... The sub-chain (4) is a national standard roller chain (4), installed in the roller chain (4) slot in front of the column guide rail (1) profile. The roller chain (4) is equivalent to a traditional rack and pinion. The drive unit (6) is a motor with a reduction gear and a braking device, installed on the top of the car (8) to drive the car (8) to rise and fall. The U-shaped connector (5) is a U-shaped connector (5) made of steel plate. The two vertical walls of the U-shaped connector (5) are connected to two pulley groups (2) by bolts. The bottom surface of the U-shaped connector (5) is connected to the bottom and top of the car (8). (5) Two sets are provided, one above the other, each connecting to two sets of four pulley groups (2); the roller sprocket (7) is a standard roller sprocket (7), installed on the shaft of the drive unit (6), and the roller sprocket (7) is equivalent to a traditional gear; the car (8) is a frame car (8) welded from steel pipes, which facilitates the installation of U-shaped connectors (5) and the drive unit (6); the roller sprocket (7) meshes with the roller chain (4), just like a rack and pinion meshing. The rotation of the drive unit (6) will drive the roller sprocket (7) to rotate on the roller chain (4), thereby realizing the lifting and lowering of the elevator car (8). This invention is a new type of elevator drive method, which can also be called a new type of chain-type or new type of gear and rack elevator drive method. It has the characteristics of simple structure, smooth operation, convenient construction, and low cost.
Claims
1. A new elevator drive apparatus, characterized by It is composed of column guide rail, pulley set, counterweight, drum roller chain, U-shaped connecting piece, drive host, roller sprocket, car, etc. The column guide rail is an aluminum alloy extruded square tubular profile, the back of the profile has two T-shaped nut grooves for installing T-shaped nuts, which facilitates the connection and fixation of the column guide rail with the wall, the front of the profile has a drum roller chain clamping groove for clamping the whole drum roller chain, the left and right sides of the profile each have a pulley set sliding groove, and the square hole in the middle of the profile is the counterweight running space. The pulley set is composed of one pulley frame, four front and rear positioning sliding pulleys, and two left and right positioning sliding pulleys. The pulley frame is an aluminum alloy die-cast cross-section in H shape, with four front and rear positioning sliding pulleys installed symmetrically in the upper and lower openings of the H-shaped pulley frame, and two left and right positioning sliding pulleys installed at the top and bottom of the center line of the H-shaped pulley frame, perpendicular to the direction of the front and rear positioning sliding pulleys. The pulley set slides up and down in the pulley set sliding grooves on the left and right sides of the column guide rail profile without falling out of the groove. There are four sets of pulley sets, two on the left and right and one on the top and bottom, connected and installed at the bottom and top of the car through the U-shaped connecting piece. The car can slide up and down with the column guide rail. The counterweight is composed of counterweight blocks and counterweight pulleys. The counterweight blocks are square cylinders made of metal, with a total of eight counterweight pulleys installed on the top and bottom of each of the four faces to ensure that the counterweight blocks run up and down in the square hole in the middle of the column guide rail profile without damaging the inner wall of the pipe. The counterweight and the car are connected by a steel wire rope through a steel wire rope wheel installed at the top of the column guide rail to achieve dynamic balance. The drum roller chain is a national standard drum roller chain installed in the drum roller chain clamping groove at the front of the column guide rail profile. The drum roller chain is equivalent to the traditional rack. The drive host is a motor with a reduction device and a brake device installed at the top of the car for driving the car to ascend and descend. The U-shaped connecting piece is a U-shaped connecting piece bent from steel plate. The two vertical walls of the U-shaped connecting piece are connected to two pulley sets through bolts, and the bottom surface of the U-shaped connecting piece is connected to the bottom and top of the car. There are two U-shaped connecting pieces, one on the top and one on the bottom, respectively connecting two groups of four pulley sets. The roller sprocket is a national standard roller sprocket installed on the shaft of the drive host. The roller sprocket is equivalent to the traditional gear. The car is a frame-type car welded from steel pipes, which facilitates the installation of the U-shaped connecting piece and the drive host. The roller sprocket meshes with the drum roller chain, just like the rack and gear meshing, and the rotation of the drive host will drive the roller sprocket to rotate on the drum roller chain, thereby realizing the ascending and descending of the elevator car.
2. A new elevator drive as claimed in claim 1, characterized in that The post guide is an aluminum alloy extruded square tubular profile, the profile rear has two T-shaped nut grooves for installing T-shaped nuts, which are convenient for connecting and fixing the post guide with the wall, the profile front has a drum roller chain card slot for clamping the whole drum roller chain, the profile left and right sides each has a pulley set sliding groove, and the profile middle square hole is the counterweight running space; the pulley set is composed of one pulley frame, four front and rear positioning sliding pulleys, and two left and right positioning sliding pulleys, the pulley frame is an H-shaped cross section by aluminum die casting, four front and rear positioning sliding pulleys are symmetrically installed in the H-shaped pulley frame two openings, two left and right positioning sliding pulleys are installed at the middle line top end and bottom end of the H-shaped pulley frame, the pulley set slides up and down in the pulley set sliding groove on the left and right sides of the post guide profile without falling out of the groove, the pulley set has four sets, two sets on the left and right sides and one set on the top and bottom, which are connected and installed on the bottom and top of the car through U-shaped connecting pieces, and the car can slide up and down with the post guide.
3. A novel elevator drive as claimed in claim 1, wherein The drum roller chain is a national standard drum roller chain, which is installed in the drum roller chain card slot on the front of the post guide profile, and the drum roller chain is equivalent to the traditional rack.
4. A new type of elevator drive as claimed in claim 1, characterized in that The roller chain wheel is a national standard roller chain wheel, which is installed on the drive main shaft, and the roller chain wheel is equivalent to the traditional gear.