Elevator traction machine
By introducing a bolt anti-loosening mechanism into the elevator traction machine, the problem of loose bolt connection is solved, and the stability and service life of the traction machine are improved.
Patent Information
- Application Number
- CN202422956902.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-12-02
AI Technical Summary
The existing elevator traction machine is connected by bolts, which is prone to vibration during transportation and operation, causing the connecting bolts to loosen and shortening the service life.
A bolt anti-loosening mechanism is adopted, including components such as a cross plate, a hollow cylinder, an inner gear cylinder, an outer gear cylinder, a connecting rod and a rubber sealing ring, to prevent the bolts from loosening through limiting and sealing measures.
The installation and use stability of the traction machine is improved, the bolts are prevented from loosening after long-term use, and the service life is extended.
Smart Images

Figure CN223342148U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of elevator traction machines, in particular to an elevator traction machine. Background Art
[0002] The elevator traction machine is one of the key components in the elevator system, responsible for driving the elevator up and down. It connects the elevator car and the counterweight through the traction rope (or wire rope), and uses the rotation of the motor to achieve the lifting of the elevator.
[0003] Announcement No. CN117361279A discloses an elevator traction machine, comprising a load-bearing plate and a machine body, wherein the machine body is mounted on the top of the load-bearing plate, a base is provided at the bottom of the load-bearing plate, the top of the base is fixedly connected to uniformly distributed mounting cylinders, a spring is fixedly connected to the inner bottom wall of the mounting cylinder, and the top of the spring is fixedly connected to a movable cylinder. This invention can achieve rapid positioning of the machine body and the base by providing a movable cylinder and a guide hole, and by screwing the positioning rod into the interior of the movable cylinder with a shock-absorbing effect, when the elevator traction machine body vibrates during transportation or use, it can also prevent the positioning rod from being loosened due to the vibration while playing a buffering role. At the same time, a monitoring mechanism is provided to monitor the operating status of the machine body. When the machine body tilts or vibrates significantly, the monitoring mechanism will transmit a signal, allowing maintenance personnel to conduct timely maintenance to prevent safety accidents.
[0004] The above patent aims to improve the shortcomings of the prior art that most traction machines are connected by bolts, and the traction machines will vibrate during transportation and operation. Long-term vibration will cause the connecting bolts to loosen or even damage the internal components, affecting the service life. The present application provides another implementation plan for the problems raised in the above patent. Utility Model Content
[0005] In response to the shortcomings of the existing technology, the utility model provides an elevator traction machine with the advantages of good stability and bolts not easy to loosen, which solves the problem that the traction machines in the existing technology are mostly connected by bolts, and the traction machines will vibrate during transportation and operation. Long-term vibration will cause the connecting bolts to loosen or even damage internal components, affecting the service life.
[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: an elevator traction machine, comprising a traction machine body, two bottom plates, and four support rods, wherein a support plate is fixedly mounted on the bottom of the traction machine body, and every two support rods are fixedly mounted on the upper surface of one bottom plate, and the top of each support rod is fixedly connected to the lower surface of the support plate, and a bolt anti-loosening mechanism is provided between the support rod and the bottom plate;
[0007] The cam is fixedly provided with a toothed sleeve which is fixedly provided with a toothed sleeve on the top of the toothed sleeve and is fixedly provided with a toothed sleeve on the top of the toothed sleeve.
[0008] Furthermore, circular holes are provided on the top surface and the bottom surface of the hollow cylinder, the connecting rod is located in the circular hole, and the outer surface of the connecting rod is in sliding contact with the inner surface of the circular hole.
[0009] Furthermore, a connecting ring located in the hollow cylinder is rotatably mounted on the surface of the connecting rod, a spring sleeved on the surface of the connecting rod is fixedly mounted on the surface of the connecting ring, and the top of the spring is fixedly connected to the inside of the hollow cylinder.
[0010] Furthermore, the first hexagonal groove is adapted to the hexagonal nut, and the hexagonal column is adapted to the second hexagonal groove.
[0011] Furthermore, the diameter of the second rubber sealing ring is larger than the diameter of the circular hole at the top of the hollow cylinder.
[0012] Furthermore, the circular hole at the bottom of the hollow cylinder is located inside the telescopic rubber sleeve.
[0013] Compared with the existing technology, the technical solution of this application has the following beneficial effects:
[0014] The elevator traction machine is provided with a bolt anti-loosening mechanism between the support rod and the base plate, which can limit the bolts after the bolts are installed, and can prevent loosening after long-term use, which is beneficial to improving the installation and use stability of the traction machine body. It solves the problem that traction machines in the prior art are mostly connected by bolts, and the traction machines will vibrate during transportation and operation. Long-term vibration will cause the connecting bolts to loosen or even damage internal components, thereby affecting the service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the interior of the hollow cylinder and sleeve structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the threaded rod and hexagonal nut of the utility model structure;
[0018] Figure 4 It is a schematic diagram of the cylindrical structure of the utility model.
[0019] In the figure: 1. Traction machine body; 2. Bottom plate; 3. Support rod; 4. Support plate; 5. Cross plate; 6. Hollow cylinder; 7. Spring; 8. Internal gear cylinder; 9. External gear cylinder; 10. Connecting rod; 11. Cylinder; 12. First hexagonal groove; 13. Hexagonal prism; 14. Sleeve; 15. Threaded hole; 16. Threaded rod; 17. Hexagonal nut; 18. Second hexagonal groove; 19. Circular hole; 20. Connecting ring; 21. First rubber sealing ring; 22. Telescopic rubber sleeve; 23. Second rubber sealing ring. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0021] See also Figures 1 to 4In this embodiment, an elevator traction machine includes a traction machine body 1, two bottom plates 2, and four support rods 3. A support plate 4 is fixedly installed at the bottom of the traction machine body 1. Every two support rods 3 are fixedly installed on the upper surface of one bottom plate 2. The top of the support rod 3 is fixedly connected to the lower surface of the support plate 4. A bolt anti-loosening mechanism is provided between the support rod 3 and the bottom plate 2. The bolt anti-loosening mechanism includes a horizontal plate 5 fixedly installed on the surface of the support rod 3. A hollow cylinder 6 penetrating the horizontal plate 5 is fixedly installed on the surface of the horizontal plate 5. An internal gear is fixedly installed inside the hollow cylinder 6. Cylinder 8, the inner side of the inner gear cylinder 8 is engaged with the outer gear cylinder 9, and the inner side of the outer gear cylinder 9 is fixedly installed with a connecting rod 10 that penetrates the hollow cylinder 6. The top surface and the bottom surface of the hollow cylinder 6 are provided with a circular hole 19. The connecting rod 10 is located in the circular hole 19. The outer surface of the connecting rod 10 is in sliding contact with the inner surface of the circular hole 19 to facilitate the movement of the connecting rod 10 on the hollow cylinder 6. A cylinder 11 is fixedly installed at the bottom of the connecting rod 10, and a first hexagonal groove 12 is provided inside the cylinder 11. A hexagonal column 13 is fixedly installed inside the first hexagonal groove 12. The surface of the bottom plate 2 is fixedly installed. The sleeve 14 is provided with an open top structure, and the bottom surface of the sleeve 14 and the surface of the bottom plate 2 are provided with mutually connected threaded holes 15, and the threaded hole 15 is internally threadedly connected with a threaded rod 16, and the top of the threaded rod 16 is fixedly installed with a hexagonal nut 17, and the top surface of the hexagonal nut 17 is provided with a second hexagonal groove 18, the first hexagonal groove 12 is adapted to the hexagonal nut 17, and the hexagonal column 13 is adapted to the second hexagonal groove 18, so that the hexagonal nut 17 is convenient for being inserted into the first hexagonal groove 12 and the hexagonal column 13 is convenient for being inserted into the second hexagonal groove 18. A first rubber sealing ring 21 is fixedly installed on the surface, and a telescopic rubber sleeve 22 is fixedly installed on the surface of the first rubber sealing ring 21. The telescopic rubber sleeve 22 is fixedly connected to the bottom of the hollow cylinder 6. A second rubber sealing ring 23 located on the outer surface of the hollow cylinder 6 is fixedly installed on the outer surface of the connecting rod 10. The diameter of the second rubber sealing ring 23 is larger than the diameter of the circular hole 19 at the top of the hollow cylinder 6, which is convenient for sealing the circular hole 19 at the top of the hollow cylinder 6. The circular hole 19 at the bottom of the hollow cylinder 6 is located on the inner side of the telescopic rubber sleeve 22, which is convenient for sealing the circular hole 19 at the bottom of the hollow cylinder 6.
[0022] A connecting ring 20 located in the hollow cylinder 6 is rotatably installed on the surface of the connecting rod 10, and a spring 7 sleeved on the surface of the connecting rod 10 is fixedly installed on the surface of the connecting ring 20. The top of the spring 7 is fixedly connected to the inside of the hollow cylinder 6. By setting the spring 7, the connecting rod 10 and the outer gear cylinder 9 are easily reset.
[0023] The working principle of the above embodiment is:
[0024] When in use, align the threaded hole 15 on the base plate 2 with the mounting hole of the mounting position, screw the threaded rod 16 into the threaded hole 15 and the mounting hole of the mounting position, so that the hexagonal nut 17 contacts the bottom surface of the sleeve 14, and then pull the connecting rod 10 upward to separate the outer gear cylinder 9 from the inner gear cylinder 8, so that the spring 7 is compressed. At this time, the connecting rod 10 can be rotated, and the cylinder 11 rotates synchronously with the connecting rod 10, so that the first hexagonal groove 12 corresponds to the hexagonal nut 17, and the hexagonal column 13 corresponds to the second hexagonal groove 18. Loosen the connecting rod 10, and push the cylinder 11 and the connecting rod 10 downward through the spring 7, so that the cylinder 11 is clamped on the outside of the hexagonal nut 17 through the first hexagonal groove 12, the hexagonal column 13 is clamped into the second hexagonal groove 18, and the outer gear cylinder 9 is re-clamped into the inner gear cylinder 8, so that the connecting rod 10 and the cylinder 11 can be limited, and then the hexagonal nut 17 and the threaded rod 16 can be limited by the connecting rod 10 and the cylinder 11, thereby preventing the threaded rod 16 from loosening. At this time, the first rubber sealing ring 21 contacts the top of the sleeve 14, and the second rubber sealing ring 23 contacts the top surface of the hollow cylinder 6, so that the inside of the hollow cylinder 6 and the sleeve 14 can be sealed, which can prevent water vapor from entering the hollow cylinder 6 and the sleeve 14 and causing corrosion of parts.
[0025] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.
[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An elevator traction machine, comprising a traction machine body (1), two bottom plates (2), and four support rods (3), wherein a support plate (4) is fixedly mounted on the bottom of the traction machine body (1), two support rods (3) are fixedly mounted on the upper surface of one bottom plate (2), and the top of the support rod (3) is fixedly connected to the lower surface of the support plate (4), characterized in that: A bolt anti-loosening mechanism is provided between the support rod (3) and the base plate (2); The bolt anti-loosening mechanism comprises a transverse plate (5) fixedly mounted on the surface of the support rod (3); a hollow cylinder (6) penetrating the transverse plate (5) is fixedly mounted on the surface of the transverse plate (5); an inner gear cylinder (8) is fixedly mounted inside the hollow cylinder (6); an outer gear cylinder (9) is engaged with the inner side of the inner gear cylinder (8); a connecting rod (10) penetrating the hollow cylinder (6) is fixedly mounted on the inner side of the outer gear cylinder (9); a cylinder (11) is fixedly mounted on the bottom of the connecting rod (10); a first hexagonal groove (12) is provided inside the cylinder (11); a hexagonal column (13) is fixedly mounted inside the first hexagonal groove (12); a sleeve (14) with an open top is fixedly mounted on the surface of the bottom plate (2); ), the bottom surface of the sleeve (14) and the surface of the bottom plate (2) are provided with threaded holes (15) that are interconnected, the threaded hole (15) is internally threadedly connected to a threaded rod (16), a hexagonal nut (17) is fixedly installed on the top of the threaded rod (16), a second hexagonal groove (18) is provided on the top surface of the hexagonal nut (17), a first rubber sealing ring (21) is fixedly installed on the outer surface of the cylinder (11), a telescopic rubber sleeve (22) is fixedly installed on the surface of the first rubber sealing ring (21), the telescopic rubber sleeve (22) is fixedly connected to the bottom of the hollow cylinder (6), and a second rubber sealing ring (23) located on the outer surface of the hollow cylinder (6) is fixedly installed on the outer surface of the connecting rod (10).
2. An elevator traction machine according to claim 1, characterized in that: The top surface and the bottom surface of the hollow cylinder (6) are both provided with circular holes (19), the connecting rod (10) is located in the circular hole (19), and the outer surface of the connecting rod (10) is in sliding contact with the inner surface of the circular hole (19).
3. The elevator traction machine according to claim 1, characterized in that: A connecting ring (20) located in the hollow cylinder (6) is rotatably mounted on the surface of the connecting rod (10), a spring (7) sleeved on the surface of the connecting rod (10) is fixedly mounted on the surface of the connecting ring (20), and the top of the spring (7) is fixedly connected to the inside of the hollow cylinder (6).
4. The elevator traction machine according to claim 1, characterized in that: The first hexagonal groove (12) is matched with the hexagonal nut (17), and the hexagonal column (13) is matched with the second hexagonal groove (18).
5. The elevator traction machine according to claim 2, characterized in that: The diameter of the second rubber sealing ring (23) is larger than the diameter of the circular hole (19) at the top of the hollow cylinder (6).
6. The elevator traction machine according to claim 2, characterized in that: The circular hole (19) at the bottom of the hollow cylinder (6) is located inside the telescopic rubber sleeve (22).
Citation Information
Patent Citations
Elevator traction machine
CN117361279A