Novel swing frame front support structure of electric carry-scraper

By introducing components such as insert plates, buffer plates, and limit rings into the front support of the swing frame of the electric loader, the problem of the difficult removal of the buffer bottom sleeve is solved, enabling convenient disassembly and replacement of the support and improving the safety and stability of the equipment.

CN224148804UActive Publication Date: 2026-04-21YANTAI LUHONG HEAVY IND TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANTAI LUHONG HEAVY IND TECH CO LTD
Filing Date
2025-02-28
Publication Date
2026-04-21

AI Technical Summary

Technical Problem

In the existing swing frame front support structure of electric loaders, the buffer bottom sleeve is difficult to disassemble and replace, and the elasticity of the compression spring decreases during long-term use, affecting the equipment's lifespan and performance.

Method used

A protective assembly comprising a insert plate, a buffer plate, a spring telescopic rod, and an L-shaped plate is designed. The assembly is connected by slots and insert rods, combined with a threaded sleeve and screw structure, which facilitates the disassembly and installation of the bracket body and the protective assembly, increases stability, and limits the swing angle through a limit ring and a baffle to prevent excessive swing.

Benefits of technology

It enables convenient disassembly and replacement of the support structure, improves the safety and stability of the equipment, extends its service life, and simplifies maintenance operations.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224148804U_ABST
    Figure CN224148804U_ABST
Patent Text Reader

Abstract

The utility model discloses a novel swing frame front support structure of an electric carry-scraper, and particularly relates to the technical field of swing frames, the novel swing frame front support structure comprises a swing frame main body and two connecting rods, the opposite ends of the two connecting rods are both fixedly connected with the swing frame main body, and the two connecting rods are both fixedly sleeved with vertical plates; a support body is arranged at the top of the swing frame body, a rotating shaft is fixedly connected to the top end of the support body, and a first connecting plate is movably connected to the rotating shaft through a bearing. The swing frame body is protected through the buffer plate, the first threaded sleeve and the second threaded sleeve are rotated to be far away from the lead screw, the support body is disassembled and replaced, the inserting plate is horizontally moved to be far away from the limiting frame, the protection assembly is disassembled and replaced, and the support body and the protection assembly are installed in the same way. And the gasket can improve the stability between the bearing sleeve and the vertical plate, operation is easy, the protection assembly can be conveniently mounted and dismounted, and the using effect is good.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of swing frame technology, and more specifically, to a novel swing frame front support structure for an electric shovel loader. Background Technology

[0002] An electric loader is an engineering machinery device powered by electricity, mainly used for loading, transporting, and unloading bulk materials. It is widely used in mining, construction, water conservancy, and other engineering fields. The swing frame front support structure of an electric loader is an important component of the chassis structure. It is mainly used to connect and support related components and realize a certain swing function to adapt to different working terrains and conditions. It is usually a frame structure welded or cast from high-strength metal materials (such as alloy steel), which has high strength and rigidity and can withstand various forces and torques generated by the loader during operation.

[0003] A search revealed that Chinese Patent CN222183508U discloses a novel shovel frame for a loader. When installed on a loader, the side assembly seat is movably mounted on the loader via a shaft column. Simultaneously, the frame is connected to the surface of the connecting plate to complete the assembly. After initial installation, a connecting cylinder is bolted to the end of the shaft column. The connecting cylinder, along with a sealing ring, is tightly fitted to the connected loader. After initial connection, the protective cover is again tightly fitted to the connected loader and bolted to the shaft column for fixation. Finally, an additive cylinder containing lubricant is inserted into the connecting cylinder for lubrication.

[0004] When the above-mentioned swing frame is in use, it contacts the bottom protective sleeve when the top of the side assembly seat is bumped, and works with the compression spring on the upper side of the support plate for buffer protection. However, it is inconvenient to disassemble and replace the buffer bottom sleeve structure. The compression spring is prone to mechanical fatigue during long-term use, and its elasticity and buffering performance will gradually decrease, which cannot protect the swing frame well and affect the service life of the swing frame. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the present invention provides a novel swing frame front support structure for an electric shovel loader, which aims to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a novel swing frame front support structure for an electric shovel loader, comprising a swing frame body and two connecting rods, wherein one end of each connecting rod is fixedly connected to the swing frame body, and a vertical plate is fixedly sleeved on each of the two connecting rods. A support body is provided on the top of the swing frame body, and a rotating shaft is fixedly connected to the top of the support body. A first connecting plate is movably connected to the rotating shaft via a bearing. Limit frames are fixedly connected to both sides of the swing frame body, and protective components are provided inside the limit frames. The protective components include an insert plate, a buffer plate, multiple spring telescopic rods, and an L-shaped plate. One side of the insert plate contacts the swing frame body, and both ends of the multiple spring telescopic rods are fixedly connected to the buffer plate and the insert plate, respectively. The bottom end of the L-shaped plate is fixedly connected to the insert plate. The number of protective components is four.

[0007] Furthermore, a plug rod is fixedly connected to one side of the plug plate near the top edge, and a slot is provided on one side of the plug plate near the bottom edge.

[0008] As can be seen, in the above technical solution, the plug rod on the plug plate is inserted into the slot on another plug plate, thereby improving the stability between the two plug plates.

[0009] Furthermore, two receiving sleeves are fixedly connected to the bottom of the main body of the bracket, and a screw rod is provided between the two receiving sleeves. One end of the screw rod passes through the two receiving sleeves and the two upright plates, and two first threaded sleeves are movably sleeved on the screw rod.

[0010] Furthermore, the lead screw is movably fitted with two second threaded sleeves, and one side of each of the two second threaded sleeves is in contact with four L-shaped plates.

[0011] Furthermore, both receiving sleeves are movably provided with gaskets inside, and the two gaskets are respectively fixedly sleeved on the two upright plates.

[0012] It can be seen that the above technical solution aims to improve the stability between the receiving sleeve and the upright plate.

[0013] Furthermore, a limiting ring is fixedly sleeved on the rotating shaft, and a limiting component is provided on the limiting ring. The limiting component includes a baffle, a fixing frame, and two second connecting plates.

[0014] Furthermore, the top of the baffle is fixedly connected to the fixing frame, the fixing frame is movably sleeved on the outside of the rotating shaft, and the bottom ends of the two second connecting plates are fixedly connected to the fixing frame.

[0015] It can be seen that the above technical solutions are designed to prevent excessive swinging of the swing frame body, which could lead to structural damage or affect the normal operation of the equipment.

[0016] The technical effects and advantages of this utility model are as follows:

[0017] 1. This utility model protects the main body of the swing frame by using a buffer plate. By rotating the first and second threaded sleeves and moving them away from the lead screw, the main body of the support can be disassembled and replaced. By moving the insert plate horizontally and moving it away from the limit frame, the protective components can be disassembled and replaced. Similarly, the main body of the support and the protective components can be installed. The gasket can improve the stability between the receiving sleeve and the upright plate. The operation is simple, and it is easy to install and disassemble the protective components. The effect is good.

[0018] 2. This utility model uses the motor of the electric shovel to drive the rotating shaft and the main support body to rotate, thereby driving the main body of the swing frame to rotate. At the same time, the rotating shaft can drive the limit ring to rotate, and the baffle limits the swing angle of the main body of the swing frame to prevent excessive swinging that could cause structural damage or affect the normal operation of the equipment, thus improving the safety and stability of the equipment. It has a simple structure and is easy to use. Attached Figure Description

[0019] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a bottom view of the overall structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the swing frame body and lead screw assembly structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the assembly structure of the bracket body and the receiving set of this utility model;

[0024] Figure 5 This is a schematic diagram of the rotating shaft and limiting component structure of this utility model;

[0025] Figure 6 This is a schematic diagram of the protective component structure of this utility model.

[0026] In the diagram: 1. Swing frame main body; 2. Connecting rod; 3. Vertical plate; 4. Support main body; 5. Rotating shaft; 6. First connecting plate; 7. Limiting frame; 8. Protective component; 9. Limiting component; 10. Limiting ring; 11. Washer; 12. Lead screw; 13. First threaded sleeve; 14. Second threaded sleeve; 15. Receiving sleeve; 801. Insert plate; 802. Buffer plate; 803. Spring telescopic rod; 804. L-shaped plate; 805. Insert rod; 901. Baffle; 902. Fixing frame; 903. Second connecting plate. Detailed Implementation

[0027] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0028] Refer to the instruction manual appendix Figure 1-6 This embodiment describes a novel swing frame front support structure for an electric shovel loader, comprising a swing frame body 1 and two connecting rods 2. The ends of the two connecting rods 2 facing each other are fixedly connected to the swing frame body 1. Vertical plates 3 are fixedly fitted onto each of the two connecting rods 2. A support body 4 is provided at the top of the swing frame body 1. A rotating shaft 5 is fixedly connected to the top of the support body 4. A first connecting plate 6 is movably connected to the rotating shaft 5 via a bearing. Limit frames 7 are fixedly connected to both sides of the swing frame body 1. Protective components 8 are provided inside the limit frames 7. The protective components 8 include an insert plate 801, a buffer plate 802, multiple spring telescopic rods 803, and an L-shaped plate 804. One side of the insert plate 801 contacts the swing frame body 1. The two ends of the multiple spring telescopic rods 803 are fixedly connected to the buffer plate 802 and the insert plate 801, respectively. The bottom end of the L-shaped plate 804 is fixedly connected to the insert plate 801. The number of protective components 8 is four.

[0029] Furthermore, a plug rod 805 is fixedly connected to one side of the plug plate 801 near the top edge, and a slot is provided on one side of the plug plate 801 near the bottom edge.

[0030] Furthermore, two receiving sleeves 15 are fixedly connected to the bottom of the support body 4. A screw rod 12 is provided between the two receiving sleeves 15, and one end of the screw rod 12 passes through the two receiving sleeves 15 and the two upright plates 3. Two first threaded sleeves 13 are movably sleeved on the screw rod 12, and two second threaded sleeves 14 are movably sleeved on the screw rod 12. One side of the two second threaded sleeves 14 is in contact with four L-shaped plates 804 respectively. A gasket 11 is movably provided inside the two receiving sleeves 15, and the two gaskets 11 are fixedly sleeved on the two upright plates 3 respectively.

[0031] Furthermore, a limiting ring 10 is fixedly sleeved on the rotating shaft 5, and a limiting component 9 is provided on the limiting ring 10. The limiting component 9 includes a baffle 901, a fixing frame 902 and two second connecting plates 903. The top end of the baffle 901 is fixedly connected to the fixing frame 902, the fixing frame 902 is movably sleeved on the outside of the rotating shaft 5, and the bottom ends of the two second connecting plates 903 are fixedly connected to the fixing frame 902.

[0032] The first connecting plate 6 is bolted to the outer casing of the electric shovel, and the rotating shaft 5 is mounted on the motor of the electric shovel. The motor of the electric shovel drives the rotating shaft 5 and the support body 4 to rotate, which in turn drives the swing frame body 1 to rotate. At the same time, the rotating shaft 5 drives the limiting ring 10 to rotate. The baffle 901 limits the swing angle of the swing frame body 1 to prevent excessive swinging that could cause structural damage or affect the normal operation of the equipment, thereby improving the safety and stability of the equipment. The structure is simple and easy to use. The fixing between the second connecting plate 903 and the first connecting plate 6 is released by bolts, and the distance between the baffle 901 and the limiting ring 10 can be adjusted as needed.

[0033] The usage method of this embodiment is as follows:

[0034] In use, the buffer plate 802 protects the swing frame body 1. When the buffer plate 802 moves, it can drive the spring telescopic rod 803 to compress, rotate the first threaded sleeve 13 and the second threaded sleeve 14 and move them away from the lead screw 12, move the lead screw 12 horizontally and move it away from the two receiving sleeves 15, thereby releasing the fixation between the support body 4 and the two upright plates 3, allowing the support body 4 to be disassembled and replaced. At the same time, when the second threaded sleeve 14 moves away from the L-shaped plate 804, the L-shaped plate 804 and the receiving sleeve 15 are released from fixation. The insert plate 801 is moved horizontally and moved away from the limit frame 7, allowing the protective component 8 to be disassembled and replaced. Similarly, the support body 4 and the protective component 8 are installed. The shim 11 can improve the stability between the receiving sleeve 15 and the upright plate 3. The operation is simple and easy to install and disassemble the protective component 8. The effect is good. At the same time, the insert rod 805 on the insert plate 801 is inserted into the slot on the other insert plate 801, thereby improving the stability between the two insert plates 801.

[0035] All contents not described in detail in the specification are existing technologies known to those skilled in the art. The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Citation Information

Patent Citations

  • Novel carry-scraper swing frame

    CN222183508U