Rear steel wire rope car frame upper beam assembly
By designing a zigzag-shaped support structure and a zigzag-shaped reinforcing plate for the upper beam assembly, the problem of the complex upper beam structure of the existing elevator car frame was solved, achieving the effects of simplified manufacturing, convenient maintenance, and improved elevator operation stability and safety.
Patent Information
- Application Number
- CN202520378546.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-03-05
AI Technical Summary
The existing rear-mounted counterweight steel wire rope villa elevators have a complex car frame upper beam structure, which is inconvenient to maintain, has low production efficiency, unstable operation, is difficult to install, and affects the safety of the elevator.
The structure adopts a Z-shaped support body and a C-shaped reinforcement plate structure. The car frame guide wheels are fixed by positioning mounting plates and limiting plates, combined with bolt and welding connections, which simplifies the manufacturing and installation process and enhances structural stability.
It simplifies the manufacturing and maintenance of the upper beam assembly, reduces maintenance costs, improves the operational stability and safety of the elevator, and enhances installation flexibility and production efficiency.
Smart Images

Figure CN223823124U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to elevator technical field, concretely is a kind of rear steel wire rope car frame upper beam subassembly. BACKGROUND
[0002] In the design of existing rear counterweight steel wire rope villa elevator, the car frame upper beam usually adopts traditional structure form, the wheel shaft direction of car frame guide wheel is perpendicular to car width direction, and the movement direction of steel wire rope is consistent with car width direction. The upper beam body of this structure is arranged in front and back by two steel plates bending into C-shaped pieces, and the car frame guide wheel is fixed through the round hole of upper beam body and positioning plate. However, this design has many deficiencies: first, the installation and fixing mode of guide wheel makes the operation of later maintenance and replacement complex, needs to remove multiple components, increases maintenance cost and time;Second, the production process of upper beam is complex, production efficiency is low, and high machining precision is required;In addition, since the center of traction sheave wheel shaft deviates from the left and right center positions of car, it causes the load-bearing beam to bear eccentric load torque, affects the stability and safety of elevator operation, and also puts forward higher requirements for the installation precision of car and counterweight guide rails, increases the installation difficulty and time. Therefore, the existing technology has improvement space in maintenance convenience, production process, operation stability and installation requirements, and a more optimized car frame upper beam subassembly is needed to solve these problems. SUMMARY
[0003] To solve the above technical problems, the utility model relates to a kind of rear steel wire rope car frame upper beam subassembly, which is simple in structure and reliable, effectively solves the above technical problems, and is suitable for promotion and use. To achieve the above purpose, the utility model is realized by the following technical solutions:
[0004] A kind of rear steel wire rope car frame upper beam subassembly, including support main body, the cross section of support main body is several characters, two support main bodies are symmetrically arranged, the convex part of support main body faces outward, two support main bodies are connected by first reinforcing plate, the first reinforcing plate is in the shape of a Chinese character, the left and right ends of first reinforcing plate are fixed on the inner side of the corner of support main body, so that two support main bodies are connected into one, two positioning installation plates symmetrically arranged in front and back are further provided between two support main bodies, and car frame guide wheel is installed between two positioning installation plates.
[0005] On the basis of the above scheme and as a preferred scheme of the above scheme: it further includes second reinforcing plate, two second reinforcing plates symmetrically arranged in front and back at the ends of support main body, and the second reinforcing plate connects two support main bodies.
[0006] On the basis of the above scheme and as a preferred scheme of the above scheme: the first reinforcing plate and the second reinforcing plate are connected with support main body by welding.
[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: further comprising limiting plates, two limiting plates are connected with the two positioning mounting plates through bolt assemblies respectively, the limiting plates are attached to the outer side of the positioning mounting plates, the wheel shaft of the cage guide wheel passes through the through holes of the two positioning mounting plates, the wheel shaft is provided with an annular groove, and the limiting plates are clamped into the annular groove of the wheel shaft.
[0008] On the basis of the above scheme and as a preferred scheme of the above scheme: the top portions of the two positioning mounting plates are connected through a top guard plate, the top guard plate is located above the cage guide wheel, and the top guard plate and the positioning mounting plates and the positioning mounting plates and the support main body are connected through bolt assemblies.
[0009] The utility model discloses compared with prior art has the beneficial technical effect of being prominent: adopt " several " character shape support main body and " " character shape reinforcing plate's structure, make the production of upper beam subassembly more simple, reduced complex bending and positioning procedure. The cage guide wheel is fixed through the positioning mounting plate and the limiting plate, and the installation and dismounting operation is simple, and complex tools or steps are not needed. This design makes the maintenance and replacement of the guide wheel more convenient, greatly reduces the maintenance cost and time, and improves the maintainability of the elevator. By setting the reinforcing plate in the inner side of the corner of the support main body and setting the second reinforcing plate at both ends, the overall strength and rigidity of the upper beam subassembly are effectively enhanced, the stability of the structure is further improved, and it is ensured that the elevator can bear greater load during operation. The optimized upper beam subassembly structure makes the center of the traction sheave shaft better align with the center position of the car, thereby reducing the eccentric torque of the load bearing beam, improving the stability and safety of the elevator operation, and prolonging the service life of the load bearing beam. The upper beam subassembly structure of the scheme is simple and has strong universality, can adapt to different installation modes and shaft conditions, reduces the requirement for the installation precision of the elevator, and improves the application range and installation flexibility of the elevator. Meanwhile, the overall structure is assembled through bolt connection and welding, the installation process is more convenient, and the production efficiency and installation speed are significantly improved. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is upper beam structure schematic diagram;
[0011] Figure 2 It is upper beam part assembly completion schematic diagram. DETAILED DESCRIPTION
[0012] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme in the embodiments will be clearly and completely described below in combination with the drawings in the embodiments. However, the following specific embodiments and examples are only for the purpose of illustration, not for the limitation of the utility model.
[0013] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the directions or position relationships shown in the drawings, and is only for the convenience of describing the utility model, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. Figure 1
[0014] In the description of the utility model, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.
[0015] In order to solve the above technical problems, as Figures 1-2 The utility model discloses a rear steel wire rope cage upper beam subassembly, including support main body 1, the cross section of support main body 1 is a few Chinese characters, two support main body 1 left and right symmetrical arrangement, the convex part of support main body 1 faces outward, two support main body 1 are connected through first reinforcing plate 2, and the first reinforcing plate 2 is a few Chinese characters, and the left and right ends of the first reinforcing plate 2 are fixed in the inner side of the corner of support main body 1, so that two support main bodies 1 are connected as a whole, and the structure of "a few Chinese characters" support main body 1 and "a few Chinese characters" reinforcing plate makes the production of upper beam subassembly more simple, reduces the complicated bending and positioning procedure
[0016] Two support main body 1 between still be equipped with two front and back symmetry's positioning installation plate 3, two positioning installation plate 3 between for installing cage guide wheel 4, further, this component still includes spacing plate 5, two spacing plate 5 are connected with two positioning installation plate 3 through bolt assembly respectively, the spacing plate 5 is attached in the outer side of positioning installation plate 3, the axle of cage guide wheel 4 passes through the through -hole of two positioning installation plate 3, the axle is equipped with annular groove, the spacing plate 5 is inserted into the annular groove of axle, and cage guide wheel 4 is fixed through positioning installation plate 3 and spacing plate 5, and its installation and dismounting operation are simple, need not complex tool or step.This design makes the maintenance and replacement of guide wheel more convenient, greatly reduces maintenance cost and time, improves the maintainability of elevator.
[0017] Further preferably in the embodiment, the first reinforcing plates 2 and the second reinforcing plates 6 are connected to the support bodies 1 by welding, the top portions of the two positioning installation plates 3 are connected by a top guard plate, the top guard plate is located above the car guide wheels 4, and the top guard plate and the positioning installation plates 3 and the positioning installation plates 3 and the support bodies 1 are connected by bolt assemblies. The upper beam assembly of the scheme has a simple structure and strong universality, can adapt to different installation modes and shaft conditions, reduces the requirement on the installation precision of the elevator, and improves the application range and installation flexibility of the elevator. Meanwhile, the overall structure is assembled by cooperation of bolt connection and welding, the installation process is more convenient, and the production efficiency and installation speed are significantly improved.
[0018] Further preferably in the embodiment, the first reinforcing plates 2 and the second reinforcing plates 6 are connected to the support bodies 1 by welding, the top portions of the two positioning installation plates 3 are connected by a top guard plate, the top guard plate is located above the car guide wheels 4, and the top guard plate and the positioning installation plates 3 and the positioning installation plates 3 and the support bodies 1 are connected by bolt assemblies. The upper beam assembly of the scheme has a simple structure and strong universality, can adapt to different installation modes and shaft conditions, reduces the requirement on the installation precision of the elevator, and improves the application range and installation flexibility of the elevator. Meanwhile, the overall structure is assembled by cooperation of bolt connection and welding, the installation process is more convenient, and the production efficiency and installation speed are significantly improved.
[0019] The above embodiment is only a preferred embodiment of the utility model, and does not limit the protection scope of the utility model, therefore: equivalent changes made by the person skilled in the art according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.
Claims
1. A rear-mounted steel wire rope car frame upper beam assembly, characterized in that: It includes a support main body. The cross-section of the support main body is in a U-shaped. Two support main bodies are arranged symmetrically left and right. The protruding part of the support main body faces outward. The two support main bodies are connected by a first reinforcement plate. The first reinforcement plate is in a C-shaped. The left and right ends of the first reinforcement plate are fixedly attached to the inner side of the corner of the support main body, thereby connecting the two support main bodies into one body. There are also two positioning and mounting plates symmetrically arranged front and back between the two support main bodies. A car frame guide wheel is installed between the two positioning and mounting plates.
2. The rear-mounted steel wire rope car frame upper beam assembly according to claim 1, characterized in that: It further includes a second reinforcement plate. Two second reinforcement plates are symmetrically arranged front and back at the two ends of the support main body. The second reinforcement plate connects the two support main bodies.
3. The rear-mounted steel wire rope car frame upper beam assembly according to claim 2, characterized in that: The first reinforcement plate and the second reinforcement plate are connected to the support main body by welding.
4. The rear-mounted steel wire rope car frame upper beam assembly according to claim 1, characterized in that: It further includes a limit plate. The two limit plates are respectively connected to the two positioning and mounting plates through bolt assemblies. The limit plate is attached to the outer side of the positioning and mounting plate. The wheel shaft of the car frame guide wheel passes through the through holes of the two positioning and mounting plates. The wheel shaft is provided with an annular groove. The limit plate is snapped into the annular groove of the wheel shaft.
5. The rear-mounted steel wire rope car frame upper beam assembly according to claim 1, characterized in that: The tops of the two positioning and mounting plates are connected by a top protection plate. The top protection plate is located above the car frame guide wheel. The top protection plate and the positioning and mounting plate, and the positioning and mounting plate and the support main body are both connected through bolt assemblies.