Large-diameter modularized adjustable multi-stage bearing chain wheel

Abstract

The utility model relates to the technical field of chain wheels, in particular to a large-diameter modularized adjustable multi-stage bearing chain wheel which comprises a roller body assembly, a replaceable gear ring assembly and a split type bearing rib plate, and special-shaped clamping openings matched with the section of the split type bearing rib plate are formed in the replaceable gear ring assembly in a radial mode. The replaceable gear ring assembly is provided with a special-shaped clamping opening, the special-shaped clamping opening is provided with connectors of different lengths matched with the stepped bearing parts, when the roller body assembly is sleeved with the special-shaped clamping opening, the special-shaped clamping opening is selectively clamped and matched with the stepped bearing parts of different layers, and the adjacent split bearing rib plates are distributed in a mirror symmetry mode to restrain the axial freedom degree of the replaceable gear ring assembly. The number of the replaceable gear ring assemblies loaded on the step-shaped bearing part can be controlled according to requirements, convenient disassembly and rapid assembly of the gear ring assemblies are achieved, assembly time is effectively saved, and modular adaptability and use flexibility of the chain wheel are improved.

Description

Technical Field

[0001] This utility model relates to the field of sprocket technology, and in particular to a large-diameter modular adjustable multi-stage load-bearing sprocket. Background Technology

[0002] In industrial production, especially in scenarios involving material handling and large-scale mechanical transmission, large-diameter sprockets play a crucial role. However, traditional large-diameter sprockets have many limitations. Firstly, traditional large-diameter sprockets are mostly one-piece structures; once the gear ring wears or is damaged, the entire sprocket needs to be replaced. Due to the large size and weight of large-diameter sprockets, the replacement process not only consumes a significant amount of manpower and resources, but the replaced sprocket is also difficult to reuse, resulting in resource waste and high costs. For example, in mining transportation systems, large-diameter sprockets on large conveyor equipment are frequently subjected to wear and tear from ore impacts; frequent replacement of the entire sprocket severely impacts production progress and economic efficiency.

[0003] On the other hand, even though some traditional sprockets adopt a replaceable gear ring design, the connection method is mostly welding or simple bolt fastening. Replacing welded gear rings requires complex cutting and grinding processes, which can easily damage the sprocket body, and the precision of re-welding is difficult to guarantee, affecting the stability of the sprocket transmission. While bolt fastening facilitates disassembly to some extent, under high load and high torque conditions on large-diameter sprockets, the bolts are prone to loosening, leading to connection failure between the gear ring and the body, posing a serious safety hazard. Furthermore, facing the diverse demands on sprocket load-bearing capacity and transmission ratio under different working conditions, traditional sprockets are difficult to adjust quickly and flexibly, unable to efficiently adapt to production changes, and greatly limiting the improvement of production efficiency. Utility Model Content

[0004] The present invention aims to solve the above-mentioned defects and provide a large-diameter modular adjustable multi-stage load-bearing sprocket.

[0005] To overcome the deficiencies in the prior art, the technical solution adopted by this utility model is as follows: a large-diameter modular adjustable multi-stage load-bearing sprocket, comprising a roller assembly, a replaceable gear ring assembly, and a split-type load-bearing rib. The roller assembly has at least four keyway-type assembly slots evenly spaced along its outer periphery. The split-type load-bearing rib has a first connecting end and a second connecting end arranged opposite to the first connecting end. The first connecting end has a planar fitting portion, and the second connecting end forms a multi-stage stepped load-bearing portion. The split-type load-bearing rib engages with the keyway-type assembly slot through the planar fitting portion. The system is designed for radially distributed installation, and the planar fitting portion is detachably connected to the roller assembly. The replaceable gear ring assembly has radially arranged irregularly shaped snap-fit ​​interfaces that match the cross-sectional shape of the split-type bearing ribs. The replaceable gear ring assembly has irregularly shaped snap-fit ​​interfaces of different lengths that are adapted to the stepped bearing portions on the split-type bearing ribs. When the replaceable gear ring assembly is fitted onto the roller assembly, the irregularly shaped snap-fit ​​interfaces on the replaceable gear ring assembly selectively snap-fit ​​with the stepped bearing portions of different levels. Furthermore, adjacent split-type bearing ribs are distributed in a mirror-symmetrical manner to constrain the axial degree of freedom of the gear ring assembly.

[0006] Further improvements include having 6-8 keyway-type assembly slots.

[0007] Further improvements include providing a wear-resistant lining on the inner wall of the irregularly shaped card interface.

[0008] Further improvements include the provision of a roughening layer on both the contact surface of the planar bonding portion and the roller assembly.

[0009] The beneficial effects of this utility model are: This design achieves convenient replacement of the gear ring, adapts to various working conditions, and improves structural stability by using a detachable connection between the split-type bearing rib plate and the roller assembly, a selective snap-fit ​​between the replaceable gear ring assembly and the stepped bearing part, and a mirror-symmetric layout of the rib plate. It also saves assembly time, improves production efficiency, reduces the risk of failure, and extends the equipment life. Attached Figure Description

[0010] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0011] Figure 1 This is the front view of the present invention (without the replaceable gear ring assembly assembled).

[0012] Figure 2 This is the front view of the present invention (equipped with a replaceable gear ring assembly).

[0013] Figure 3 yes Figure 1 DD section view;

[0014] In the figure, 1-split bearing rib, 2-stepped bearing part, 3-keyway type assembly groove, 4-plane bonding part, 5-roller assembly, 6-irregular card interface, 7-replaceable toothed ring assembly. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. All other embodiments obtained by those skilled in the art without creative effort in accordance with the embodiments of the basic utility model are within the scope of protection of this utility model.

[0016] refer to Figure 1 , Figure 2 and Figure 3 A large-diameter modular adjustable multi-stage load-bearing sprocket includes a roller assembly 5, a replaceable gear ring assembly 7, and split-type load-bearing ribs 1. The roller assembly 5 has at least four keyway-type mounting slots 3 evenly spaced along its outer periphery along the axial direction. The split-type load-bearing ribs 1 have a first connecting end and a second connecting end arranged opposite to the first connecting end. The first connecting end has a planar fitting portion 4, and the second connecting end forms a multi-stage stepped load-bearing portion 2. The split-type load-bearing ribs 1 are radially distributed and installed by the planar fitting portion 4 cooperating with the keyway-type mounting slots 3. The planar fitting portion 4 is detachably connected to the roller assembly 5. The replaceable gear ring assembly 7 has radially arranged sections corresponding to the split-type load-bearing ribs 1. The replaceable gear ring assembly 7 has a shaped snap-fit ​​interface 6 that matches the cross-sectional shape of the split-type bearing rib 1. The shaped snap-fit ​​interface 6 on the replaceable gear ring assembly 7 has different lengths and is adapted to the stepped bearing part 2 on the split-type bearing rib 1. When the replaceable gear ring assembly 7 is sleeved on the roller assembly 5, the shaped snap-fit ​​interface 6 on the replaceable gear ring assembly 7 forms a selective snap-fit ​​engagement with the stepped bearing part 2 at different levels. The adjacent split-type bearing rib 1 are distributed in a mirror symmetrical manner to constrain the axial degree of freedom of the gear ring assembly. With this design, the replaceable gear ring assembly 7 can be installed on the stepped bearing part 2 of the split-type bearing rib 1 according to specific needs. In this design, the replaceable gear ring assembly 7 is easier to disassemble and saves assembly time.

[0017] In this embodiment, the number of keyway-type assembly slots 3 is 6-8.

[0018] In this embodiment, the inner wall of the irregular card interface 6 is provided with a wear-resistant liner, which can reduce the wear of the inner wall of the irregular card interface 6 and prevent the irregular card interface 6 from gradually increasing in size.

[0019] In this embodiment, a rough layer is provided on the contact surface between the planar bonding part 4 and the roller assembly 5, thereby ensuring the stability of the replaceable gear ring assembly 7 after installation.

[0020] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A large-diameter modular adjustable multi-stage load-bearing sprocket, characterized in that, The assembly includes a roller body assembly (5), a replaceable gear ring assembly (7), and a split-type load-bearing rib plate (1). The roller body assembly (5) has at least four keyway-type assembly slots (3) evenly spaced along the outer periphery of the roller body assembly (5). The split-type load-bearing rib plate (1) has a first connecting end and a second connecting end arranged opposite to the first connecting end. The first connecting end is provided with a planar fitting part (4), and the second connecting end forms a multi-level stepped load-bearing part (2). The split-type load-bearing rib plate (1) is radially distributed and installed by cooperating with the planar fitting part (4) and the keyway-type assembly slot (3). The planar fitting part (4) is detachable from the roller body assembly (5). The replaceable gear ring assembly (7) is provided with radially arranged irregularly shaped card interfaces (6) that match the cross-sectional shape of the split-type bearing rib plate (1). The replaceable gear ring assembly (7) has irregularly shaped card interfaces (6) of different lengths that are adapted to the stepped bearing parts (2) on the split-type bearing rib plate (1). When the replaceable gear ring assembly (7) is fitted onto the roller assembly (5), the irregularly shaped card interfaces (6) on the replaceable gear ring assembly (7) form selective card engagement with the stepped bearing parts (2) of different levels. The adjacent split-type bearing rib plates (1) are distributed in a mirror symmetric manner to constrain the axial degree of freedom of the gear ring assembly.

2. The large-diameter modular adjustable multi-stage load-bearing sprocket as described in claim 1, characterized in that: The number of keyway type assembly slots (3) is 6-8.

3. The large-diameter modular adjustable multi-stage load-bearing sprocket as described in claim 1, characterized in that: The inner wall of the irregular card interface (6) is provided with a wear-resistant lining.

4. The large-diameter modular adjustable multi-stage load-bearing sprocket as described in claim 1, characterized in that: A rough layer is provided on the contact surface of the planar bonding part (4) and the roller assembly (5).

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