Split bearing structure for a side-dumping coal loader
The split-type design of the side-unloading coal loading machine's load-bearing structure solves the problem of cumbersome equipment maintenance in underground coal mines, enabling convenient disassembly and maintenance, and improving the equipment's flexibility and applicability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LIAONING GENERAL MINING MACHINERY EQUIP MFG
- Filing Date
- 2025-08-22
- Publication Date
- 2026-06-26
AI Technical Summary
The existing underground coal mine side unloading coal machine has an integrated load-bearing structure, which makes the maintenance, replacement and replacement process cumbersome, time-consuming and labor-intensive, and cannot meet the needs of the narrow underground space. The existing technology cannot effectively solve this problem.
The connecting components, which adopt a split design, include a vertically arranged frame, connecting plate and drive assembly. The modular design is achieved by bolting, and the split load-bearing structure facilitates disassembly and maintenance.
It achieves flexibility and applicability of the load-bearing structure, reduces maintenance difficulty and transportation costs, meets downhole space constraints, and improves the efficiency of equipment deployment and maintenance.
Smart Images

Figure CN224413620U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the industrial coal industry, specifically a split-type load-bearing structure for underground applications. Background Technology
[0002] In underground coal mining operations, side-unloading coal loaders are critical transportation equipment, and the stability, reliability, and maintainability of their load-bearing structure are of paramount importance. Currently, the load-bearing structure of such equipment mostly adopts an integrated design, meaning the frame and fuel tank are typically welded or cast into an inseparable whole. This integrated structure has significant drawbacks in practical applications: First, when a part of the equipment is damaged or requires maintenance, the entire massive load-bearing structure often needs to be disassembled, making the repair process extremely cumbersome, time-consuming, and labor-intensive, and greatly increasing the difficulty and safety risks of operations in the confined underground space. Second, the integrated structure lacks flexibility, making it impossible to easily replace or upgrade parts according to operating conditions or component wear, resulting in reduced overall equipment utilization and increased operating costs. Therefore, there is an urgent need for a new load-bearing structure design that can overcome the shortcomings of existing integrated load-bearing structures, facilitating assembly, maintenance, and component replacement, to adapt to the harsh, complex, and space-constrained underground operating environment. Utility Model Content
[0003] To solve the above problems, this utility model discloses a split-type load-bearing structure for a side-discharge coal loading machine.
[0004] The specific technical solution is as follows: A split-type load-bearing structure for a side-unloading coal loading machine, comprising a connecting component. The lower part of the connecting component is connected to the front end of the oil tank body. A drive component is disposed below the oil tank body. The connecting component includes a vertically arranged frame with a notch at the bottom. A perpendicular connecting plate and a vertical connecting plate are provided at the notch. The front end of the oil tank body and the notch are shaped accordingly. The oil tank body, the connecting plate, and the vertical connecting plate are bolted together, forming an integral structure with the connecting component. The drive component includes a chassis frame side connecting plate mounted on one side wall of the oil tank body. The claw part of the chassis frame side connecting plate is welded to the entire track frame. A motor is disposed at one end of the track frame. The output end of the motor is connected to a reducer and then to a drive wheel, and the power output of the motor is applied to the drive wheel. The drive wheel is connected to the track wheel and the track, enabling the drive component to move.
[0005] The connecting plate and the vertical connecting plate are evenly distributed with screw holes and do not interfere with other supporting structures on the frame.
[0006] The claw portion of the chassis frame side connecting plate is L-shaped and welded to the upper end face and side face of the track frame; the chassis frame side connecting plate is also provided with two sets of ribs parallel to the track frame, and the ribs are also welded to the track frame.
[0007] The chassis frame side connecting plate is connected to the oil tank body by set bolts, and the installation space of the set bolts is set between the track frame and the track.
[0008] The advantages of this utility model are:
[0009] This utility model designs the load-bearing structure as a split structure, which completely solves the problem that the original integrated welded coal loading machine exceeds the size limit (the original coal loading machine has an overall height of 1632mm and a width of 1304mm) and cannot be lowered into the mine by a small cage. After splitting, the maximum disassembly size of each module is significantly reduced, which fully meets the space constraints of underground cage transportation and greatly improves the flexibility and applicability of equipment deployment. At the same time, the modular design facilitates quick disassembly and targeted maintenance underground, effectively reducing transportation costs and maintenance difficulty while ensuring overall power performance and structural strength. Attached Figure Description
[0010] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0011] Figure 2 This is the front view of the present invention;
[0012] Figure 3 This is a structural diagram of the connecting components;
[0013] Figure 4 This is a schematic diagram of the drive component. Detailed Implementation
[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0015] A split-type load-bearing structure for a side-discharge coal loading machine includes a connecting assembly 1. The lower part of the connecting assembly 1 is connected to the front end of an oil tank body 2. A drive assembly 3 is located below the oil tank body 2. The connecting assembly 1 includes a vertically arranged frame 1a. The bottom of the frame 1a has a notch 1b, and a perpendicular connecting plate 1c and a vertical connecting plate 1d are provided at the notch. The front end of the oil tank body and the shape of the notch are conformed to the shape of the oil tank body 2. The oil tank body 2 is connected to the connecting plate 1c and the vertical connecting plate 1d by bolts. This makes the fuel tank body 2 and the connecting assembly 1 form an integral structure; the drive assembly 3 includes a chassis frame side connecting plate 4 installed on one side wall of the fuel tank body, the claw part 4a of the chassis frame side connecting plate 4 is welded to the entire track frame 4b, a motor 4c is provided on one end of the track frame 4b, the output end of the motor 4c is connected to a reducer and then connected to the drive wheel 4d, and the power of the motor output end is applied to the drive wheel, the drive wheel 4d is connected to the track wheel 4e and the track 4f, so that the drive assembly moves 3.
[0016] The connecting plate 1c and the vertical connecting plate 1d have evenly distributed screw holes 1e that do not interfere with other supporting structures on the frame 1a.
[0017] The claw portion 4a of the chassis frame side connecting plate 4 is L-shaped and welded to the upper end face and side face of the track frame; the chassis frame side connecting plate 4 is also provided with two sets of ribs 4g parallel to the track frame 4b, and the ribs 4g are also welded to the track frame 4b.
[0018] The chassis frame side connecting plate 4 is connected to the oil tank body 2 by set bolts 5, and the installation space of the set bolts is set between the track frame and the track.
Claims
1. A split-type load-bearing structure for a side-discharge coal loading machine, characterized in that: A connecting assembly is provided, the lower part of which is connected to the front end of the fuel tank body. A drive assembly is provided below the fuel tank body. The connecting assembly includes a vertically arranged frame with a notch at the bottom. A perpendicular connecting plate and a vertical connecting plate are provided at the notch. The front end of the fuel tank body and the notch are shaped accordingly. The fuel tank body, the connecting plate, and the vertical connecting plate are connected together by bolts, forming an integral structure with the connecting assembly. The drive assembly includes a chassis frame side connecting plate installed on one side wall of the fuel tank body. The claw part of the chassis frame side connecting plate is welded to the entire track frame. A motor is provided at one end of the track frame. The output end of the motor is connected to a reducer and then to the drive wheel, and the power output of the motor is applied to the drive wheel. The drive wheel is connected to the track wheel and the track, enabling the drive assembly to move.
2. The split-type load-bearing structure of the side-unloading coal loading machine according to claim 1, characterized in that: The connecting plate and the vertical connecting plate are evenly distributed with screw holes and do not interfere with other supporting structures on the frame.
3. The split-type load-bearing structure of the side-unloading coal loading machine according to claim 1, characterized in that: The claw portion of the chassis frame side connecting plate is L-shaped and welded to the upper end face and side face of the track frame; the chassis frame side connecting plate is also provided with two sets of ribs parallel to the track frame, and the ribs are also welded to the track frame.
4. The split-type bearing structure of the side-unloading coal loading machine according to claim 1, characterized in that: The chassis frame side connecting plate is connected to the oil tank body by set bolts, and the installation space of the set bolts is set between the track frame and the track.