Machine room-less elevator

Abstract

The application provides an elevator without machine room, which comprises a car, a counterweight, a traction mechanism, car guide rails, counterweight guide rails, a first mounting beam and a second mounting beam arranged in a hoistway, wherein the car guide rails and the counterweight guide rails are both two, the two car guide rails are arranged at the two sides of the car in a spaced manner and connected with the two sides of the car, the first mounting beam is mounted on the top of the two car guide rails, the counterweight is arranged at the side of the car, the two counterweight guide rails are arranged at the two sides of the counterweight in a spaced manner and connected with the two sides of the counterweight, the second mounting beam is mounted on the top of the two counterweight guide rails, and the traction mechanism is mounted on the first mounting beam and / or the second mounting beam and connected with the car and the counterweight. The elevator without machine room in the application eliminates the arrangement of the machine room, and the first mounting beam and the second mounting beam do not need to be connected with the building, so that the building design and construction cost can be saved and the building area utilization rate can be improved.

Description

Technical Field

[0001] This invention relates to the field of elevator technology, and in particular to a machine-room-less elevator. Background Technology

[0002] With the continuous development of society, most existing high-rise buildings are equipped with elevators for easy upward and downward movement. However, the main components of existing elevators, such as the elevator engine, need to be housed in a dedicated machine room. The existence of the machine room not only increases the building's structural design and construction costs but also reduces the building's space utilization rate. Summary of the Invention

[0003] Therefore, it is necessary to provide a machine room-less elevator to address the problem that elevator machine rooms not only increase the cost of building structural design and construction, but also reduce the utilization rate of building space.

[0004] The technical solution is as follows:

[0005] On one hand, a machine-room-less elevator is provided. The machine-room-less elevator includes a car, a counterweight, a traction mechanism, car guide rails, a counterweight guide rail, a first mounting beam, and a second mounting beam, all disposed within a shaft. The car guide rails and the counterweight guide rails each include two rails, which are spaced apart on both sides of the car and connected to both sides of the car. The first mounting beam is mounted on the top of the two car guide rails. The counterweight is disposed on the side of the car, and the two counterweight guide rails are spaced apart on both sides of the counterweight and connected to both sides of the counterweight. The second mounting beam is mounted on the top of the two counterweight guide rails. The traction mechanism is mounted on the first mounting beam and / or the second mounting beam and is connected to both the car and the counterweight.

[0006] In the machine room-less elevator described above, the traction mechanism is installed on the first mounting beam and / or the second mounting beam inside the shaft, eliminating the need for a machine room. At the same time, since the first mounting beam is installed on the top of the two car guide rails and the second mounting beam is installed on the top of the two counterweight guide rails, there is no need to connect it to the building, which can save on building design and construction costs and improve the utilization rate of building area.

[0007] The technical solution will be further explained below:

[0008] In one embodiment, a first anti-cord sheave is rotatably mounted on the first mounting beam, a second anti-cord sheave is rotatably mounted on the car, a third anti-cord sheave is rotatably mounted on the counterweight, and a fourth anti-cord sheave is rotatably mounted on the second mounting beam. The traction mechanism includes a drive unit, a traction sheave, and a traction rope. The drive unit is mounted on the second mounting beam and is connected to the traction sheave in a transmission connection. The traction rope is sequentially wound around the outer side wall of the first anti-cord sheave, the outer side wall of the second anti-cord sheave, the outer side wall of the traction sheave, the outer side wall of the third anti-cord sheave, and the outer side wall of the fourth anti-cord sheave. The two ends of the traction rope are respectively connected to the car and the counterweight.

[0009] In one embodiment, the first mounting beam is located to the side of the second mounting beam, and the extension direction of the first mounting beam is set at an angle to the extension direction of the second mounting beam.

[0010] In one embodiment, the extension direction of the first mounting beam is perpendicular to the extension direction of the second mounting beam.

[0011] In one embodiment, the axial direction of the traction sheave is set at an angle to the extension direction of the second mounting beam, such that the traction rope between the second anti-rope sheave and the traction sheave, and the traction rope between the traction sheave and the third anti-rope sheave are both arranged in a vertical direction.

[0012] In one embodiment, there are two of each of the first and second anti-cord pulleys. The two first anti-cord pulleys are spaced apart on the first mounting beam, and the two second anti-cord pulleys are respectively installed on both sides of the bottom of the car. The first anti-cord pulley away from the second mounting beam is located directly above the second anti-cord pulley away from the second mounting beam.

[0013] In one embodiment, the top of the car is provided with a first rope end connector, the top of the counterweight is provided with a second rope end connector, and the two ends of the traction rope are respectively connected to the first rope end connector and the second rope end connector.

[0014] In one embodiment, the first rope end connector is located at the center of the top of the car, and the first anti-rope pulley near the second mounting beam is located above the first rope end connector, such that the traction rope between the first anti-rope pulley and the first rope end connector is arranged in a vertical direction.

[0015] In one embodiment, the third anti-cord pulley and the second rope head connector are spaced apart at the top of the counterweight along the extension direction of the second mounting beam, and the fourth anti-cord pulley is located between the third anti-cord pulley and the second rope head connector, such that the traction rope between the third anti-cord pulley and the fourth anti-cord pulley, and the traction rope between the fourth anti-cord pulley and the second rope head connector are both arranged in a vertical direction.

[0016] In one embodiment, the hanging ratio of the machine room-less elevator is 3:1. Attached Figure Description

[0017] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments of this application and their descriptions are used to explain this application and do not constitute an undue limitation of this application.

[0018] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a simplified structural diagram of a machine-room-less elevator according to one embodiment.

[0020] Figure 2 for Figure 1 A schematic diagram of a machine-room-less elevator.

[0021] Figure 3 for Figure 2 A cross-sectional view of a machine-room-less elevator and its shaft.

[0022] Explanation of reference numerals in the attached figures:

[0023] 10. Machine-room-less elevator; 20. Shaft; 100. Car; 200. Counterweight; 300. Traction mechanism; 310. Drive unit; 320. Traction sheave; 330. Traction rope; 340. First anti-cord sheave; 350. Second anti-cord sheave; 360. Third anti-cord sheave; 370. Fourth anti-cord sheave; 380. First rope end connector; 390. Second rope end connector; 400. Car guide rail; 500. Counterweight guide rail; 600. First mounting beam; 700. Second mounting beam. Detailed Implementation

[0024] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0025] like Figure 1 and Figure 2 As shown, in one embodiment, a machine-room-less elevator 10 is provided. The machine-room-less elevator 10 includes a car 100, a counterweight 200, a traction mechanism 300, car guide rails 400, counterweight guide rails 500, a first mounting beam 600, and a second mounting beam 700, all disposed within a hoistway 20. Two car guide rails 400 and two counterweight guide rails 500 are each provided, spaced apart on both sides of the car 100 and connected to both sides of the car 100. Next, the first mounting beam 600 is mounted on the top of the two car guide rails 400, the counterweight 200 is set on the side of the car 100, the two counterweight guide rails 500 are spaced apart on both sides of the counterweight 200 and connected to both sides of the counterweight 200, the second mounting beam 700 is mounted on the top of the two counterweight guide rails 500, and the traction mechanism 300 is mounted on the first mounting beam 600 and / or the second mounting beam 700 and connected to both the car 100 and the counterweight 200.

[0026] In the machine room-less elevator 10 described above, the traction mechanism 300 is installed on the first mounting beam 600 and / or the second mounting beam 700 within the shaft 20, eliminating the need for a machine room. Furthermore, since the first mounting beam 600 is installed on the top of the two car guide rails 400 and the second mounting beam 700 is installed on the top of the two counterweight guide rails 500, there is no need to connect it to the building, which can save on building design and construction costs and improve the utilization rate of building area.

[0027] In this specific embodiment, the hanging ratio of the machine-room-less elevator 10 is 3:1. In other embodiments, the hanging ratio of the machine-room-less elevator 10 may also be 4:1 or 1:1, etc.

[0028] Specifically, in this embodiment, the two car guide rails 400 and the two counterweight guide rails 500 are fixedly installed on the building surrounding the installation space for the machine room-less elevator 10. Both the two car guide rails 400 and the two counterweight guide rails 500 extend vertically. The two sides of the car 100 are slidably connected to the two car guide rails 400, and the two sides of the counterweight 200 are slidably engaged with the two counterweight guide rails 500. The two ends of the first mounting beam 600 are fixed to the tops of the two car guide rails 400, and the two ends of the second mounting beam 700 are fixed to the tops of the two counterweight guide rails 500.

[0029] like Figure 2 As shown, optionally, a first anti-cord pulley 340 is rotatably mounted on the first mounting beam 600, a second anti-cord pulley 350 is rotatably mounted on the car 100, a third anti-cord pulley 360 is rotatably mounted on the counterweight 200, and a fourth anti-cord pulley 370 is rotatably mounted on the second mounting beam 700. The traction mechanism 300 includes a drive unit 310, a traction pulley 320, and a traction rope 330. The drive unit 310 is mounted on the second mounting beam 700 and is connected to the traction pulley 320 in a transmission connection. The traction rope 330 is sequentially wound around the outer walls of the first anti-cord pulley 340, the second anti-cord pulley 350, the traction pulley 320, the third anti-cord pulley 360, and the fourth anti-cord pulley 370. The two ends of the traction rope 330 are respectively connected to the car 100 and the counterweight 200. In this way, the drive unit 310 can drive the traction rope 330 to move through the traction sheave 320, so that the traction rope 330 pulls the car 100 or the counterweight 200 to rise, thereby realizing the lifting and lowering of the car 100.

[0030] In other embodiments, the drive host 310 may also be mounted on the first mounting beam 600, and its structure and working principle are the same or similar to those of the drive host 310 mounted on the second mounting beam 700, which will not be described in detail here.

[0031] like Figure 2 and Figure 3 As shown, in one embodiment, the first mounting beam 600 is located to the side of the second mounting beam 700, and the extension direction of the first mounting beam 600 forms an angle with the extension direction of the second mounting beam 700. Thus, by adjusting the positional relationship between the first mounting beam 600 and the second mounting beam 700, the layout of the components in the traction mechanism 300 is made more compact, ensuring that the traction mechanism 300 can drive the car 100 to rise and fall, thereby improving the reliability of the machine-room-less elevator 10.

[0032] The angle between the extending directions of the first mounting beam 600 and the second mounting beam 700 can be flexibly adjusted according to actual usage needs. Specifically, in this embodiment, the extending directions of the first mounting beam 600 and the second mounting beam 700 are perpendicular. The first mounting beam 600 extends towards the traction sheave 320 and is spaced apart from both the traction sheave 320 and the second mounting beam 700.

[0033] like Figure 2 and Figure 3As shown, optionally, the axial direction of the traction sheave 320 is set at an angle to the extension direction of the second mounting beam 700, so that the traction rope 330 between the second anti-cord sheave 350 and the traction sheave 320, and the traction rope 330 between the traction sheave 320 and the third anti-cord sheave 360 ​​are both arranged in a vertical direction. In this way, the traction sheave 320 can adjust the winding trajectory of the traction rope 330, ensuring that the traction ropes 330 on both sides of the traction sheave 320 remain vertical to maximize the transmission of driving force and improve the reliability of the machine room-less elevator 10.

[0034] The angle between the axial direction of the traction sheave 320 and the extension direction of the second mounting beam 700 can be flexibly adjusted according to actual usage needs. For example, the angle between the axial direction of the traction sheave 320 and the extension direction of the second mounting beam 700 can be 45°, 60°, or 90°, etc.

[0035] like Figure 2 and Figure 3 As shown, optionally, both the first anti-corrosion sheave 340 and the second anti-corrosion sheave 350 include two units. The two first anti-corrosion sheaves 340 are spaced apart on the first mounting beam 600, and the two second anti-corrosion sheaves 350 are respectively installed on both sides of the bottom of the car 100. The first anti-corrosion sheave 340, which is away from the second mounting beam 700, is located directly above the second anti-corrosion sheave 350, which is away from the second mounting beam 700. In this way, the traction rope 330 between the traction sheave 320 and the car 100 can be located in the same vertical plane, ensuring that the traction rope 330 can transmit driving force to the maximum extent and improving the reliability of the machine room-less elevator 10.

[0036] Specifically, in this embodiment, both first anti-cord pulleys 340 are rotatably mounted on the same side of the first mounting beam 600; the two second anti-cord pulleys 350 are correspondingly spaced from the two car guide rails 400.

[0037] like Figure 2 As shown, in one embodiment, the top of the car 100 is provided with a first rope end connector 380, and the top of the counterweight 200 is provided with a second rope end connector 390. Both ends of the traction rope 330 are connected to the first rope end connector 380 and the second rope end connector 390, respectively. Thus, one end of the traction rope 330 can be connected to the car 100 via the first rope end connector 380, and the other end can be connected to the counterweight 200 via the second rope end connector 390, improving the ease of assembly of the machine-room-less elevator 10.

[0038] In this specific embodiment, both the first rope end connector 380 and the second rope end connector 390 are configured as rope end connecting plates.

[0039] like Figure 2 and Figure 3As shown, optionally, the first rope end connector 380 is located at the center of the top of the car 100, and the first anti-corrosion pulley 340 near the second mounting beam 700 is located above the first rope end connector 380, such that the traction rope 330 between the first anti-corrosion pulley 340 and the first rope end connector 380 is arranged vertically. In this way, the traction rope 330 can apply a vertically upward pulling force to the car 100, reducing the probability of the car 100 tilting during lifting and lowering, and improving the reliability of the machine room-less elevator 10.

[0040] like Figure 2 and Figure 3 As shown, optionally, the third anti-corrosion pulley 360 and the second rope head connector 390 are spaced apart on the top of the counterweight 200 along the extension direction of the second mounting beam 700, and the fourth anti-corrosion pulley 370 is located between the third anti-corrosion pulley 360 and the second rope head connector, so that the traction rope 330 between the third anti-corrosion pulley 360 and the fourth anti-corrosion pulley 370, and the traction rope 330 between the fourth anti-corrosion pulley 370 and the second rope head connector 390 are both arranged vertically. In this way, the traction rope 330 between the traction pulley 320 and the counterweight 200 can be located in the same vertical plane, ensuring that the traction rope 330 can transmit driving force to the maximum extent, improving the reliability of the machine room-less elevator 10. In addition, the traction rope 330 can apply a vertically upward pulling force to the counterweight 200, reducing the probability of the counterweight 200 tilting during lifting and lowering, and improving the reliability of the machine room-less elevator 10.

[0041] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0042] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0043] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0044] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0045] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0046] It should also be understood that, in interpreting the connection or positional relationships of components, although not explicitly described, connection and positional relationships are interpreted to include a range of error, which should be within the acceptable deviation range of a specific value as determined by a person skilled in the art. For example, "approximately," "about," or "substantially" can mean within one or more standard deviations, without limitation herein.

[0047] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0048] The above embodiments merely illustrate several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A machine-room-less elevator, characterized in that, The machine-room-less elevator includes a car, a counterweight, a traction mechanism, car guide rails, a counterweight guide rail, a first mounting beam, and a second mounting beam, all housed within the hoistway. Each car guide rail and counterweight guide rail comprises two rails, spaced apart on both sides of the car and connected to both sides. The first mounting beam is mounted on top of the two car guide rails. The counterweight is positioned on the side of the car, with two counterweight guide rails spaced apart on both sides and connected to both sides. The second mounting beam is mounted on top of the two counterweight guide rails. The traction mechanism is mounted on the first mounting beam and / or the second mounting beam and connected to both the car and the counterweight.

2. The machine-room-less elevator according to claim 1, characterized in that, A first anti-cord sheave is rotatably mounted on the first mounting beam, a second anti-cord sheave is rotatably mounted on the car, a third anti-cord sheave is rotatably mounted on the counterweight, and a fourth anti-cord sheave is rotatably mounted on the second mounting beam. The traction mechanism includes a drive unit, a traction sheave, and a traction rope. The drive unit is mounted on the second mounting beam and is connected to the traction sheave in a transmission connection. The traction rope is sequentially wound around the outer walls of the first anti-cord sheave, the second anti-cord sheave, the traction sheave, the third anti-cord sheave, and the fourth anti-cord sheave. The two ends of the traction rope are respectively connected to the car and the counterweight.

3. The machine-room-less elevator according to claim 2, characterized in that, The first mounting beam is located to the side of the second mounting beam, and the extension direction of the first mounting beam is set at an angle to the extension direction of the second mounting beam.

4. The machine-room-less elevator according to claim 3, characterized in that, The extension direction of the first mounting beam is perpendicular to the extension direction of the second mounting beam.

5. The machine-room-less elevator according to claim 3, characterized in that, The axial direction of the traction sheave is set at an angle to the extension direction of the second mounting beam, such that the traction rope between the second anti-rope sheave and the traction sheave, and the traction rope between the traction sheave and the third anti-rope sheave are both set in the vertical direction.

6. The machine-room-less elevator according to claim 3, characterized in that, The first and second anti-corrosion pulleys are both two in number. The two first anti-corrosion pulleys are spaced apart on the first mounting beam, and the two second anti-corrosion pulleys are respectively installed on both sides of the bottom of the car. The first anti-corrosion pulley away from the second mounting beam is located directly above the second anti-corrosion pulley away from the second mounting beam.

7. The machine-room-less elevator according to claim 2, characterized in that, The top of the car is provided with a first rope end connector, the top of the counterweight is provided with a second rope end connector, and the two ends of the traction rope are respectively connected to the first rope end connector and the second rope end connector.

8. The machine-room-less elevator according to claim 7, characterized in that, The first rope end connector is located at the center of the top of the car, and the first anti-rope pulley near the second mounting beam is located above the first rope end connector, so that the traction rope between the first anti-rope pulley and the first rope end connector is arranged in a vertical direction.

9. The machine-room-less elevator according to claim 7, characterized in that, The third anti-cord pulley and the second rope head connector are spaced apart on the top of the counterweight along the extension direction of the second mounting beam. The fourth anti-cord pulley is located between the third anti-cord pulley and the second rope head connector, such that the traction rope between the third anti-cord pulley and the fourth anti-cord pulley, and the traction rope between the fourth anti-cord pulley and the second rope head connector are both arranged in the vertical direction.

10. The machine-room-less elevator according to any one of claims 1 to 9, characterized in that, The hanging ratio of the machine room-less elevator is 3:1.

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