A loader for tight spaces
By designing a combination of side baffles, arc-shaped baffles, and rubber pads on a small loader, the problem of material spillage is solved, achieving effective material shielding and efficient loading and unloading, thus improving the loader's transportation efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 秦新振
- Filing Date
- 2025-07-24
- Publication Date
- 2026-07-21
Smart Images

Figure CN224531771U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of loader technology, and in particular to a loader for use in confined spaces. Background Technology
[0002] Mini loaders are a type of construction machinery widely used in civil engineering projects. Their main functions include loading, transporting, unloading, and light excavation. Due to their small size and high flexibility, they are particularly suitable for narrow or complex construction environments, such as construction sites, landscaping, and small-scale construction projects. The working principle of a mini loader is based on mechanical transmission and a hydraulic system. Power generated by the engine is transmitted to the wheels through the transmission and drive shaft, driving the loader; the loading and unloading actions are accomplished by the hydraulic system. The hydraulic system typically includes components such as a hydraulic pump, hydraulic cylinders, and hydraulic valves, enabling the raising and lowering of the bucket and the tilting of the boom.
[0003] In existing technologies, the bucket structure design of small loaders makes it easy for materials to spill during the grabbing process, resulting in material waste and increased subsequent cleanup costs. Therefore, we propose a loader for confined spaces to solve the above problems. Utility Model Content
[0004] The purpose of this utility model is to overcome the shortcomings of the existing technology and propose a loader for use in confined spaces.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A loader for confined spaces includes a small loader body. Multiple hydraulic cylinders are rotatably mounted on both sides of the small loader body. Two lifting booms are rotatably mounted on one end of each hydraulic cylinder. A common mounting frame is fixedly mounted between the two lifting booms. A bucket is fixedly connected to the outer wall of the mounting frame. Pins are fixedly connected to the outer walls of each of the two lifting booms. Hydraulic cylinders are rotatably fitted onto the outer walls of the outer walls of each of the two pins. Connecting parts are rotatably fitted onto the outer walls of the output ends of each of the two connecting parts. A common arc-shaped baffle is fixedly connected to one end of each arc-shaped baffle. Side baffles are fixedly connected to both ends of the arc-shaped baffle. A rotating assembly is provided on the outer wall of the bucket.
[0007] Preferably, the rotating assembly includes two shafts, one end of each shaft is fixedly connected to the outer wall of the bucket, and the outer walls of each shaft are rotatably fitted with bushings. The outer walls of the two bushings are respectively fixedly connected to one end of two side baffles. The rotating assembly assists the arc-shaped baffle and the side baffles in rotating stably.
[0008] Preferably, four driving wheels are rotatably connected to the outer wall of the small loader body, and a cab frame is fixedly connected to the top of the small loader body. The driving wheels are driven by the built-in engine of the small loader body.
[0009] Preferably, a protective net is fixedly installed between the cab frame and the small loader body, and a seat is installed inside the cab frame, with the protective net protecting the operator.
[0010] Preferably, the arc-shaped baffle is located above the bucket.
[0011] Preferably, one end of the arc-shaped baffle and one end of the two side baffles are fixedly connected with rubber pads to prevent the arc-shaped baffle from making rigid contact with the bucket.
[0012] Compared with the prior art, the advantages of this utility model are:
[0013] This solution uses two side baffles, an arc-shaped baffle, and rubber pads to work together to form a three-sided shield, effectively suppressing material spillage during transportation and reducing material loss. The baffle is driven to rotate by a hydraulic cylinder, eliminating the need for manual intervention, improving loading and unloading efficiency and reducing operational intensity. The rotating design of the bushing and shaft ensures that the two side baffles and the arc-shaped baffle move flexibly, adapting to the loading requirements of different material characteristics (such as granules and powders). Attached Figure Description
[0014] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a side view cross-sectional structural diagram of a loader for use in confined spaces according to the present invention;
[0016] Figure 2 This is a frontal cross-sectional view of a loader for use in confined spaces, as proposed in this utility model.
[0017] Figure 3 This utility model proposes a loader for use in confined spaces. Figure 1 A magnified structural diagram of part A in the diagram.
[0018] In the diagram: 1. Small loader body; 2. Running wheels; 3. Cabin frame; 4. Safety net; 5. Seat; 6. Hydraulic cylinder; 7. Lifting boom; 8. Mounting frame; 9. Bucket; 10. Pin; 11. Hydraulic cylinder; 12. Connecting part; 13. Arc-shaped baffle; 14. Side baffle; 15. Rubber pad; 16. Shaft; 17. Bushing. Detailed Implementation
[0019] 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.
[0020] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are 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; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0021] Depend on Figures 1-3 As shown, a loader for confined spaces is disclosed, comprising a small loader body 1. The upper frame of the small loader body 1 is welded from high-strength steel to ensure overall structural stability while reducing weight to improve flexibility. Four driving wheels 2 are rotatably connected to the outer wall of the small loader body 1 via existing axles or trusses. A cab frame 3 is fixedly connected to the top of the small loader body 1. A protective net 4 is fixedly installed between the cab frame 3 and the small loader body 1 to prevent external objects from hitting the operator and improve safety. A seat 5 is installed inside the cab frame 3.
[0022] Multiple hydraulic cylinders 6 are rotatably mounted on both sides of the small loader body 1 via existing spherical bearings. The multiple hydraulic cylinders 6 are symmetrically distributed on both sides of the small loader body 1. A high-flow hydraulic system is adopted to ensure that the lifting boom 7 responds quickly and improves the working efficiency. Two lifting booms 7 are rotatably mounted on one end of the multiple hydraulic cylinders 6 via existing spherical bearings. The same mounting frame 8 is fixedly installed between the two lifting booms 7. The outer wall of the mounting frame 8 is fixedly connected to the bucket 9. The mounting frame 8 ensures that the bucket 9 remains horizontal during the lifting process and prevents the material from tilting and spilling.
[0023] The outer walls of the two lifting booms 7 are fixedly connected with pins 10. The outer walls of the two pins 10 are rotatably fitted with hydraulic cylinders 11. The outer walls of the output ends of the two hydraulic cylinders 11 are rotatably fitted with connecting parts 12. Existing I-shaped shafts are fixedly installed on the connecting parts 12, and the outer walls of the output ends of the hydraulic cylinders 11 are rotatably fitted on the I-shaped shafts. One end of the two connecting parts 12 is fixedly connected to the same arc-shaped baffle plate 13, which is located above the bucket 9.
[0024] Both ends of the arc-shaped baffle plate 13 are fixedly connected to side baffle plates 14. One end of the arc-shaped baffle plate 13 and the two side baffle plates 14 are fixedly connected to rubber pads 15, which fit against the edge of the bucket 9 to enhance the sealing performance. This is suitable for loading easily dispersed materials such as granules and powders.
[0025] The outer wall of the bucket 9 is provided with a rotating assembly, which includes two shafts 16. One end of each shaft 16 is fixedly connected to the outer wall of the bucket 9. The outer walls of the two shafts 16 are rotatably fitted with bushings 17. The contact surfaces between the bushings 17 and the shafts 16 are coated with lubricating oil. The outer walls of the two bushings 17 are respectively fixedly connected to one end of the two side baffles 14.
[0026] Working principle: During use, the small loader body 1 travels on four wheels 2, and the operator operates the machine through the seat 5 inside the cab frame 3. Multiple hydraulic cylinders 6 and two lifting booms 7 enable the lifting and tipping of the bucket 9. After the bucket 9 is loaded with material, the two hydraulic cylinders 11 operate, driving the arc-shaped baffle 13 and the two side baffles 14 to rotate clockwise. They also rotate around the two shafts 16 through two bushings 17. The rotation of the arc-shaped baffle 13 places the rubber pad 15 on one side of the bucket 9, shielding the material inside the bucket 9 and preventing the material from scattering when the small loader body 1 travels.
[0027] All standard parts used in this utility model can be purchased from the market. Irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. Furthermore, the structure and principle of the components known to those skilled in the art can be learned by those skilled in the art through technical manuals or conventional experimental methods.
[0028] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A loader for use in confined spaces, comprising a small loader body (1), characterized in that, Multiple hydraulic cylinders (6) are rotatably mounted on both sides of the small loader body (1). Two lifting booms (7) are rotatably mounted on one end of each hydraulic cylinder (6). The same mounting frame (8) is fixedly mounted between the two lifting booms (7). A bucket (9) is fixedly connected to the outer wall of the mounting frame (8). Pins (10) are fixedly connected to the outer walls of the two lifting booms (7). A hydraulic cylinder (11) is rotatably sleeved on the outer wall of each of the two pins (10). A docking piece (12) is rotatably sleeved on the outer wall of the output end of each of the two hydraulic cylinders (11). The same arc-shaped baffle (13) is fixedly connected to one end of each of the two docking pieces (12). Side baffles (14) are fixedly connected to both ends of the arc-shaped baffle (13). A rotating assembly is provided on the outer wall of the bucket (9).
2. A loader for use in confined spaces according to claim 1, characterized in that, The rotating assembly includes two shafts (16), one end of each shaft (16) is fixedly connected to the outer wall of the bucket (9), and the outer walls of each shaft (16) are rotatably fitted with bushings (17), and the outer walls of the two bushings (17) are respectively fixedly connected to one end of each of the two side baffles (14).
3. A loader for use in confined spaces according to claim 1, characterized in that, The outer wall of the small loader body (1) is rotatably connected to four driving wheels (2), and the top of the small loader body (1) is fixedly connected to a cab frame (3).
4. A loader for use in confined spaces according to claim 3, characterized in that, A protective net (4) is fixedly installed between the cabin frame (3) and the small loader body (1), and a seat (5) is installed inside the cabin frame (3).
5. A loader for use in confined spaces according to claim 1, characterized in that, The arc-shaped baffle (13) is located above the bucket (9).
6. A loader for use in confined spaces according to claim 1, characterized in that, Rubber pads (15) are fixedly connected to one end of the arc-shaped baffle (13) and the two side baffles (14).