CN221459547U - Traction device of elevator without counterweight - Google Patents
Traction device of elevator without counterweight Download PDFInfo
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- CN221459547U CN221459547U CN202323240780.0U CN202323240780U CN221459547U CN 221459547 U CN221459547 U CN 221459547U CN 202323240780 U CN202323240780 U CN 202323240780U CN 221459547 U CN221459547 U CN 221459547U
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- elevator
- pulley
- steel belt
- counterweight
- frame
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 66
- 239000010959 steel Substances 0.000 claims abstract description 66
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The application provides a traction device of a counterweight-free elevator, and belongs to the technical field of elevators. The traction device of the elevator without counterweight comprises a multi-layer elevator frame and a steel belt. The driving device is arranged at the top end of the multi-layer elevator frame, a car is arranged inside the multi-layer elevator frame, a first pulley and a second pulley are arranged at the top end and the bottom end of the car, a third pulley is arranged at the bottom inside the multi-layer elevator frame, one end of the steel belt is connected with the top end of the multi-layer elevator frame, and then the other end of the steel belt sequentially bypasses the first pulley, the driving device, one third pulley, the second pulley and the other third pulley and is connected with one side of the bottom end of the multi-layer elevator frame. Through the setting of steel band for the distance of car wall and multilayer elevator frame is very little, under the well of equidimension, can make the car as far as possible, increases the carrier.
Description
Technical Field
The application relates to the field of elevators, in particular to a traction device of a counterweight-free elevator.
Background
Traction type elevators generally have a counterweight as the main stream of the elevator, and the counterweight can relatively balance the weight of a car, but has large energy loss and high cost, and the counterweight occupies a certain area of a hoistway, so that the hoistway utilization rate is low. In addition, the pit is located in the hoistway portion below the lowest landing where the elevator car serves. But sometimes different pipelines are buried underground, so that the pit depth is small and the common elevator requirement is difficult to meet.
However, the existing elevator traction device occupies the structure inside the frame, so that the size of the car becomes smaller.
Disclosure of utility model
In order to overcome the defects, the application provides a traction device of a counterweight-free elevator, which aims to solve the problem that the traction device of the elevator occupies the internal structure of a frame, so that the size of a car is reduced.
The embodiment of the application provides a traction device of a counterweight-free elevator, which comprises a multi-layer elevator frame and a steel belt.
The driving device is arranged at the top end of the multi-layer elevator frame, a car is arranged inside the multi-layer elevator frame, a first pulley and a second pulley are arranged at the top end and the bottom end of the car, a third pulley is arranged at the bottom inside the multi-layer elevator frame, one end of the steel belt is connected with the top end of the multi-layer elevator frame, and then the other end of the steel belt sequentially bypasses the first pulley, the driving device, one third pulley, the second pulley and the other third pulley and is connected with one side of the bottom end of the multi-layer elevator frame.
In a specific embodiment, a steel belt adjusting member is mounted on the outer side of the multi-layer elevator frame, and the other end of the steel belt is connected with the steel belt adjusting member.
In a specific embodiment, the steel strip adjusting member comprises a guide portion, a mounting connecting seat and an adjusting portion, wherein the guide portion is mounted at the bottom of the multi-layer elevator frame, the mounting connecting seat is mounted at the outer side of the bottom of the multi-layer elevator frame, the adjusting portion is mounted on the mounting connecting seat, and the other end of the steel strip penetrates through the bottom wall of the multi-layer elevator frame and bypasses the guide portion and is connected with the adjusting portion.
In a specific embodiment, the adjusting part comprises a U-shaped frame with first lug plates at two ends, a height adjusting rod penetrates through the first lug plates of the top and the bottom wall of the U-shaped frame, a sliding plate is arranged on the two height adjusting rods together, the sliding plate is connected with the steel belt, the two height adjusting rods are located in the U-shaped frame and sleeved with springs, and nuts are arranged at the top ends of the two height adjusting rods in a threaded manner.
In a specific embodiment, the guiding part comprises a fixing seat, the fixing seat is installed at the bottom of the multi-layer elevator frame, a guiding roller is installed inside the fixing seat, and the steel belt bypasses the guiding roller.
In a specific embodiment, the two sides of the top end and the bottom end of the sliding plate are respectively provided with a second ear plate, and the second ear plates on the two sides respectively penetrate through the two height adjusting rods.
In a specific embodiment, the springs are respectively sleeved outside the height adjusting rods between the two second ear plates.
In a specific embodiment, the sliding plate is provided with a connecting roller, and the steel strip is arranged on the connecting roller.
In a specific embodiment, a steel belt connecting seat is mounted on the top of the multi-layer elevator frame, and the top end of the steel belt is connected with the steel belt connecting seat.
In a specific embodiment, the floor outlets corresponding to the multi-layer elevator frame are provided with elevator opening and closing doors.
The beneficial effects are that:
1. Through the setting of steel band for the distance of car wall and multilayer elevator frame is very little, under the well of equidimension, can make the car as far as possible, increases the carrier.
2. The driving device is arranged at the top of the multi-layer elevator frame, so that the pit is made small, and the pit with the thickness of 200mm can be formed. The elevator car has the advantages that no counterweight is arranged, and the requirement of the elevator car with the same size on the size of a well is greatly reduced.
3. The whole device adopts an ultrathin multilayer elevator frame well, has no counterweight design, and a steel belt drives a pulley combination winding method to realize the driving of an elevator car through a driving device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a traction device of a counterweight-free elevator provided by an embodiment of the application;
Fig. 2 is a schematic diagram of an internal structure of a traction device of a counterweight-free elevator according to an embodiment of the application;
FIG. 3 is a schematic diagram of a top mounting relationship of a traction device according to an embodiment of the present application;
FIG. 4 is a schematic view of a bottom mounting relationship of a traction device according to an embodiment of the present application;
fig. 5 is a schematic structural view of a steel strip adjuster according to an embodiment of the present application.
In the figure: 1-a multi-deck elevator frame; 11-elevator door opening and closing; 2-a driving device; 3-car; 4-steel strip; 5-a first pulley; 6-a second pulley; 7-a third pulley; 8-a steel belt adjusting piece; 81-a guide; 811-a fixed seat; 812-guiding roller; 82-installing a connecting seat; 83-an adjusting part; 831-U type frame; 832-sliding plate; 833—height adjustment bar; 834-a spring; 835-nut; 9-a steel belt connecting seat.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.
Referring to fig. 1-5, the present application provides a traction device for a counterweight-free elevator, comprising a multi-layered elevator frame 1 and a steel belt 4.
Referring to fig. 1, 2, 3 and 4, a driving device 2 is installed at the top end of a multi-layered elevator frame 1, a car 3 is arranged inside the multi-layered elevator frame 1, a first pulley 5 and a second pulley 6 are installed at the top end and the bottom end of the car 3, a third pulley 7 is installed at the bottom inside the multi-layered elevator frame 1, one end of a steel belt 4 is connected with the top end of the multi-layered elevator frame 1, and then the other end of the steel belt 4 sequentially bypasses the first pulley 5, the driving device 2, one third pulley 7, the second pulley 6 and the other third pulley 7 and is connected with one side of the bottom end of the multi-layered elevator frame 1. When the car 3 needs to move, the driving device 2 is started, and the driving device 2 enables the steel belt 4 to be disturbed through the first pulley 5, the second pulley 6 and the third pulley 7, so that the car 3 can move up and down inside the multi-layer elevator frame 1. The whole device adopts an ultrathin multilayer elevator frame 1 well without counterweight design, and the steel belt 4 drives a pulley combination winding method to realize the driving of the elevator car 3 through the driving device 2. The driving device 2 is arranged on the top of the multi-layer elevator frame 1, so that the pit is made small, and the pit with the thickness of 200mm can be formed. The counterweight is not arranged, and the requirement of the elevator car 3 with the same size on the size of a well is greatly reduced. By means of the arrangement of the steel belts 4, the distance between the wall of the lift car 3 and the multi-deck elevator frame 1 is very small, and the lift car 3 can be made to be the largest possible under the same-size well, so that the carrying personnel are increased.
In the present embodiment, at least two of the first sheave 5, the second sheave 6, and the third sheave 7 are provided, so that the car 3 is more stable when moving up and down.
Referring to fig. 5, in the present embodiment, a steel belt adjusting member 8 is installed at the outer side of the multi-layered elevator frame 1, and the other end of the steel belt 4 is connected to the steel belt adjusting member 8. The steel belt adjusting piece 8 comprises a guide part 81, a mounting connecting seat 82 and an adjusting part 83, wherein the guide part 81 is mounted at the bottom of the multi-layer elevator frame 1, the mounting connecting seat 82 is mounted at the outer side of the bottom of the multi-layer elevator frame 1, the adjusting part 83 is mounted on the mounting connecting seat 82, and the other end of the steel belt 4 penetrates through the bottom wall of the multi-layer elevator frame 1 and bypasses the guide part 81 to be connected with the adjusting part 83. The adjusting part 83 comprises a U-shaped frame 831 with first ear plates at two ends, a height adjusting rod 833 penetrates through the first ear plates of the top and the bottom wall of the U-shaped frame 831, sliding plates 832 are arranged on the two height adjusting rods 833 together, the sliding plates 832 are connected with a steel belt 4, the two height adjusting rods 833 are positioned in the U-shaped frame 831 and sleeved with springs 834, and nuts 835 are arranged at the top ends of the two height adjusting rods 833 in a threaded manner. The guide portion 81 includes a fixing seat 811, the fixing seat 811 is mounted at the bottom of the multi-layer elevator frame 1, a guide roller 812 is mounted inside the fixing seat 811, and the steel strip 4 bypasses the guide roller 812. The two sides of the top and bottom of the sliding plate 832 are respectively provided with a second ear plate, and the second ear plates on the two sides respectively movably penetrate through the two height adjusting rods 833. The springs 834 are respectively sleeved outside the height adjusting rods 833 between the two second ear plates. The sliding plate 832 is provided with a connection roller on which the steel strip 4 is disposed. When the tightness of the steel belt 4 needs to be adjusted, the two nuts 835 are respectively rotated, so that the nuts 835 are in threaded connection on the height adjusting rod 833, the springs 834 are contracted or expanded, and when the springs 834 are contracted or expanded, the sliding plates 832 are driven to slide up and down, thereby driving the steel belt 4 to move up or down, and the tightness of the steel belt 4 is adjusted. The tightness of the steel belt 4 can be adjusted through the steel belt adjusting piece 8, so that the service life of the steel belt 4 can be prolonged while the car 3 is used more stably.
In this embodiment, a steel belt connecting seat 9 is installed at the top of the multi-layer elevator frame 1, and the top end of the steel belt 4 is connected with the steel belt connecting seat 9. Wherein the top end of the steel belt 4 is connected with the top of the multi-layer elevator frame 1 through a steel belt connecting seat 9.
When specifically set, the floor exit corresponding to the multi-deck elevator frame 1 is provided with an elevator door 11. Wherein the elevator door 11 is used for opening the elevator car 3, so that people can conveniently go into or out of the car 3.
The working principle of the traction device of the elevator without counterweight is as follows:
When the car 3 needs to move, the driving device 2 is started, and the driving device 2 enables the steel belt 4 to be disturbed through the first pulley 5, the second pulley 6 and the third pulley 7, so that the up-and-down running of the inside of the multi-layer elevator frame 1 of the car 3 is realized. The whole device adopts an ultrathin multilayer elevator frame 1 well without counterweight design, and the steel belt 4 drives a pulley combination winding method to realize the driving of the elevator car 3 through the driving device 2. The driving device 2 is arranged on the top of the multi-layer elevator frame 1, so that the pit is made small, and the pit with the thickness of 200mm can be formed. The counterweight is not arranged, and the requirement of the elevator car 3 with the same size on the size of a well is greatly reduced. By means of the arrangement of the steel belts 4, the distance between the wall of the lift car 3 and the multi-deck elevator frame 1 is very small, and the lift car 3 can be made to be the largest possible under the same-size well, so that the carrying personnel are increased.
It should be noted that, the specific model specification of the driving device 2 needs to be determined by selecting a model according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply of the drive means 2 and its principle will be clear to a person skilled in the art and will not be described in detail here.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Claims (10)
1. A traction device for an elevator without counterweight, comprising
Multilayer elevator frame (1) and steel band (4), drive arrangement (2) are installed on multilayer elevator frame (1) top, multilayer elevator frame (1) inside is provided with car (3), first pulley (5) and second pulley (6) are all installed on car (3) top and bottom, just third pulley (7) are installed in multilayer elevator frame (1), steel band (4) one end with multilayer elevator frame (1) top is connected, then the steel band (4) other end is walked around in proper order first pulley (5) drive arrangement (2), one third pulley (7), second pulley (6) and another third pulley (7) and with multilayer elevator frame (1) bottom one side is connected.
2. A traction device of a counterweight-free elevator according to claim 1, characterized in that a steel belt adjusting member (8) is mounted outside the multi-layer elevator frame (1), and the other end of the steel belt (4) is connected with the steel belt adjusting member (8).
3. The traction device of a counterweight-free elevator according to claim 2, characterized in that the steel belt adjusting member (8) comprises a guiding part (81), a mounting connecting seat (82) and an adjusting part (83), wherein the guiding part (81) is mounted at the bottom of the multi-layer elevator frame (1), the mounting connecting seat (82) is mounted at the outer side of the bottom of the multi-layer elevator frame (1), the adjusting part (83) is mounted on the mounting connecting seat (82), and the other end of the steel belt (4) penetrates through the bottom wall of the multi-layer elevator frame (1) and bypasses the guiding part (81) and is connected with the adjusting part (83).
4. The traction device for the elevator without counterweight according to claim 3, wherein the adjusting part (83) comprises a U-shaped frame (831) with first lugs at two ends, a height adjusting rod (833) penetrates through the first lugs of the top and the bottom wall of the U-shaped frame (831), sliding plates (832) are jointly arranged on the two height adjusting rods (833), the sliding plates (832) are connected with the steel belt (4), the two height adjusting rods (833) are positioned in the U-shaped frame (831) and sleeved with springs (834), and nuts (835) are arranged on the top ends of the two height adjusting rods (833) in a threaded connection mode.
5. A traction device for a counterweight-free elevator according to claim 3, characterized in that the guide part (81) comprises a fixed seat (811), the fixed seat (811) is mounted at the bottom of the multi-layer elevator frame (1), a guide roller (812) is mounted inside the fixed seat (811), and the steel belt (4) bypasses the guide roller (812).
6. The traction device of a counterweight-free elevator according to claim 4, wherein second ear plates are provided on both sides of the top and bottom ends of the sliding plate (832), and the second ear plates on both sides are respectively movably penetrating through the two height adjusting rods (833).
7. The traction device of a counterweight-free elevator according to claim 6, characterized in that the springs (834) are respectively sleeved outside the height adjusting rod (833) between two second ear plates.
8. A traction device for a counterweight-free elevator according to claim 4, characterized in that the sliding plate (832) is provided with a connecting roller, on which the steel strip (4) is arranged.
9. The traction device of the elevator without counterweight according to claim 1, characterized in that a steel belt connecting seat (9) is arranged at the top of the multi-layer elevator frame (1), and the top end of the steel belt (4) is connected with the steel belt connecting seat (9).
10. Traction apparatus of a counterweight-free elevator according to claim 1, characterized in that the floor outlet corresponding to the multi-deck elevator frame (1) is provided with an elevator door (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323240780.0U CN221459547U (en) | 2023-11-30 | 2023-11-30 | Traction device of elevator without counterweight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323240780.0U CN221459547U (en) | 2023-11-30 | 2023-11-30 | Traction device of elevator without counterweight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221459547U true CN221459547U (en) | 2024-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323240780.0U Active CN221459547U (en) | 2023-11-30 | 2023-11-30 | Traction device of elevator without counterweight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221459547U (en) |
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2023
- 2023-11-30 CN CN202323240780.0U patent/CN221459547U/en active Active
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