Elevator sheave with high adaptability
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QUYANG YUNXIN ELEVATOR ACCESSORIES CO LTD
- Filing Date
- 2025-08-14
- Publication Date
- 2026-06-19
AI Technical Summary
Existing elevator traction sheaves cannot be adapted to main shafts of different diameters, resulting in installation inconvenience.
An elevator traction sheave comprising a hollow wheel body and detachable connectors was designed. Through the detachable connection of the support and the main shaft connector, the sheave can be adapted to main shafts of different diameters using bolts and threaded holes.
It improves the adaptability of elevator traction sheaves, facilitates quick replacement of main shaft connectors to accommodate main shafts of different diameters, and ensures the stability and reliability of installation.
Smart Images

Figure CN224377408U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of elevator traction sheave technology, and more specifically, it relates to a highly adaptable elevator traction sheave. Background Technology
[0002] The elevator traction sheave is a core component of the elevator traction system, typically made of materials such as ductile iron. It is mounted on the main shaft of the traction machine and has rope grooves on its surface. During operation, the traction rope is wound around it, and the friction between the sheave and the car drives the car and counterweight to move relative to each other, thus raising and lowering the elevator. The shape and size of the rope grooves affect the amount of friction, which in turn affects the safety and stability of the elevator operation, requiring regular maintenance and inspection.
[0003] Based on the above, the inventors have discovered the following problems: most elevator traction sheaves are now integrally formed, but the diameter of the main shaft on which the elevator traction sheave is installed varies, and the current elevator traction sheaves cannot be well matched with main shafts of different diameters.
[0004] Therefore, in view of this, we will study and improve the existing structure and its shortcomings to provide a highly adaptable elevator traction sheave, in order to achieve a more practical value. Utility Model Content
[0005] To solve the above-mentioned technical problems, this utility model provides an elevator traction sheave with high adaptability, so as to solve the problem that the current elevator traction sheave cannot match the main shaft of different diameters.
[0006] The purpose and effect of this utility model, which provides a highly adaptable elevator traction sheave, are achieved through the following specific technical means:
[0007] A highly adaptable elevator traction sheave includes a traction sheave body, the traction sheave body including a hollow wheel body, a plurality of support members installed in the wheel body, a main shaft connector installed at the end of the support member away from the wheel body, the support member and the main shaft connector are detachably connected, thereby allowing the main shaft connector to be removed.
[0008] Furthermore, the support member includes a support rod, one end of which is connected to the inner wall of the wheel body, and fixing members are installed on both sides of the end of the support rod away from the wheel body, the fixing members being in contact with the surface of the main shaft connector.
[0009] Furthermore, the surface of the fixing member is provided with a first through hole, and the surface of the spindle connector is provided with a plurality of threaded holes. The number of the first through holes and the number of threaded holes are matched, and the first through holes and the threaded holes are aligned. The connector also includes a bolt, which passes through the first through hole and rotates into the threaded hole.
[0010] Furthermore, the spindle connector is cylindrical, and mounting holes are provided on the surface of the spindle connector.
[0011] Furthermore, the surface of the spindle connector is provided with a plurality of second through holes for mounting the spindle connector on the spindle.
[0012] Furthermore, the support rod is welded to the inner wall of the wheel body.
[0013] Compared with the prior art, the present invention has the following beneficial effects:
[0014] When in use, this utility model can be adapted to main shafts of different diameters by quickly replacing the main shaft connector, thereby improving the adaptability of the elevator traction sheave. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of an elevator traction sheave with high adaptability according to this utility model.
[0016] Figure 2 This is a schematic diagram of the assembly of a support component in an elevator traction sheave with high adaptability according to this utility model.
[0017] In the diagram, the correspondence between component names and drawing numbers is as follows:
[0018] 1. Traction sheave body; 101. Sheave body; 102. Support component; 103. Main shaft connector;
[0019] 1021. Support rod; 1022. Fastener;
[0020] 2. First through hole; 3. Threaded hole; 4. Bolt; 5. Mounting hole; 6. Second through hole. Detailed Implementation
[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.
[0022] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., 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 utility model 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 utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0024] Example:
[0025] As attached Figure 1 To be continued Figure 2 As shown:
[0026] This utility model provides a highly adaptable elevator traction sheave, including a traction sheave body 1. The traction sheave body 1 includes a hollow wheel body 101, which is made of a high-strength, wear-resistant alloy material, such as common chromium-molybdenum alloy steel. This material has good mechanical properties and fatigue resistance, and can withstand the huge tensile and frictional forces generated during elevator operation, ensuring that the traction sheave maintains stable performance during long-term use. The outer circumferential surface of the wheel body 101 is finely machined to form multiple rope grooves of a certain depth. The shape and size of the rope grooves are designed according to the specifications of the elevator wire rope to ensure that the wire rope can run smoothly and reliably in the rope grooves, reducing wear and slippage of the wire rope.
[0027] Multiple support members 102 are installed inside the wheel body 101. Each support member 102 includes a support rod 1021, one end of which is connected to the inner wall of the wheel body 101. Fixing members 1022 are installed on both sides of the end of the support rod 1021 away from the wheel body 101. The fixing members 1022 are in contact with the surface of the main shaft connector 103. The support rod 1021 and the fixing members 1022 are made of the same alloy material as the wheel body 101 to ensure the consistency and strength of the overall structure. The connection between the end of the support rod 1021 and the inner wall of the wheel body 101, as well as the connection between the fixing members 1022 and the support rod 1021, is achieved by welding. The fixing member 1022 is an arc-shaped plate structure with a certain thickness, and its surface is flattened to ensure a tight fit with the surface of the main shaft connector 103.
[0028] A main shaft connector 103 is installed at the end of the support member 102 away from the wheel body 101. The main shaft connector 103 has a cylindrical structure, and its diameter and length are designed according to the specifications of the elevator main shaft. The main shaft connector 103 is made of high-strength alloy steel. The support member 102 and the main shaft connector 103 are detachably connected, so that the main shaft connector 103 can be removed.
[0029] The fastener 1022 has a first through hole 2 on its surface, and the spindle connector 103 has a plurality of threaded holes 3 on its surface. The number of the first through holes 2 and the number of threaded holes 3 are matched, and the first through holes 2 and the threaded holes 3 are aligned. The fastener also includes a bolt 4, which passes through the first through hole 2 and rotates into the threaded hole 3. The depth and diameter of the threaded hole 3 are designed according to the specifications of the bolt 4 to ensure that the bolt 4 can be screwed in smoothly and achieve sufficient tightening force.
[0030] The main shaft connector 103 has mounting holes 5 on its surface. The diameter and number of mounting holes 5 are designed according to the mounting structure on the elevator main shaft.
[0031] During use, different spindle connectors 103 can be replaced, and the diameters of the mounting holes 5 on different spindle connectors 103 are all different.
[0032] The spindle connector 103 has multiple second through holes 6 on its surface for mounting the spindle connector 103 on the spindle. The diameter and position of the second through holes 6 are designed according to the mounting holes 5 on the spindle. When the spindle connector 103 is mounted on the spindle, fasteners such as bolts 4 pass through the second through holes 6 and the mounting holes 5 on the spindle to achieve a reliable connection between the spindle connector 103 and the spindle.
[0033] The specific usage of this embodiment is as follows:
[0034] In use, firstly, select a suitable spindle connector 103 according to the diameter of the spindle. Then, align the spindle connector 103 with the fixing part 1022 of the support 102, so that the first through hole 2 is aligned with the threaded hole 3. Then, pass the bolts 4 through the first through hole 2 and screw them into the threaded hole 3. Use a torque wrench to tighten the bolts 4 according to the specified torque value to ensure that the spindle connector 103 and the support 102 are firmly connected. Move the traction wheel body 1 with the spindle connector 103 installed to the position of the elevator spindle, so that the second through hole 6 on the spindle connector 103 is aligned with the mounting hole 5 on the spindle. Use bolts 4, nuts and washers and other fasteners to pass through the second through hole 6 and the mounting hole 5 on the spindle to install the traction wheel body 1 on the spindle. Tighten the bolts 4 according to the specified torque value to complete the installation of the traction wheel.
[0035] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.
Claims
1. A highly adaptable elevator traction sheave, comprising a traction sheave body (1), characterized in that: The traction wheel body (1) includes a hollow wheel body (101), and a plurality of support members (102) are installed inside the wheel body (101). A main shaft connector (103) is installed at the end of the support member (102) away from the wheel body (101). The support member (102) and the main shaft connector (103) are detachably connected, so that the main shaft connector (103) can be removed.
2. The highly adaptable elevator traction sheave as described in claim 1, characterized in that: The support member (102) includes a support rod (1021), one end of which is connected to the inner wall of the wheel body (101). Fixing members (1022) are installed on both sides of the end of the support rod (1021) away from the wheel body (101). The fixing members (1022) are in contact with the surface of the main shaft connector (103).
3. The highly adaptable elevator traction sheave as described in claim 2, characterized in that: The surface of the fastener (1022) is provided with a first through hole (2), and the surface of the spindle connector (103) is provided with a plurality of threaded holes (3). The number of the first through holes (2) and the number of threaded holes (3) are matched, and the first through holes (2) and the threaded holes (3) are aligned. The fastener also includes a bolt (4), which passes through the first through hole (2) and rotates into the threaded hole (3).
4. The highly adaptable elevator traction sheave as described in claim 3, characterized in that: The spindle connector (103) is cylindrical, and mounting holes (5) are provided on the surface of the spindle connector (103).
5. The highly adaptable elevator traction sheave as described in claim 4, characterized in that: The spindle connector (103) has a plurality of second through holes (6) on its surface for mounting the spindle connector (103) on the spindle.
6. The highly adaptable elevator traction sheave as described in claim 5, characterized in that: The support rod (1021) is welded to the inner wall of the wheel body (101).