Front mechanism of loading machine

By designing a front-mounted mechanism that connects a V-shaped adjusting arm and a hydraulic rod on the loader, the problems of complex structure and poor stability of existing loader mounting devices are solved, enabling rapid mounting and dismounting, improving assembly efficiency and strength, and facilitating maintenance.

CN223793632UActive Publication Date: 2026-01-13WEIFANG KAILIA MACHINERY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520685872.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-12
Publication Date
2026-01-13
Estimated Expiration
2035-04-12

AI Technical Summary

Technical Problem

The existing loader's mounting device has a complex structure, poor stability, and insufficient connection strength, resulting in long assembly and disassembly times and inconvenient maintenance.

Method used

Design a front-mounted mechanism for a loader, employing symmetrically arranged V-shaped adjusting arms. The bucket is connected via swing hydraulic rods and positioning hydraulic rods, and combined with a balance bar and hook-up rod structure, it enables quick attachment and dismounting, and achieves stable fixation through the cooperation of positioning wedges and positioning rods.

Benefits of technology

It simplifies the mounting and dismounting process, saves time, improves the strength and stability of the adjusting arm, facilitates maintenance, and has a simple and aesthetically pleasing structure.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223793632U_ABST
    Figure CN223793632U_ABST
Patent Text Reader

Abstract

The utility model relates to a front mechanism of a loader, which comprises an adjusting arm, a connecting seat is arranged at one end of the adjusting arm, a bucket is arranged at the other end of the adjusting arm, a positioning adjusting seat is connected with the connecting seat through a balance rod, the balance rod can be clamped on the adjusting arm, and the connecting seat comprises a fixed triangular plate. A connecting baffle and a positioning baffle are arranged between the fixed triangular plates, a hanging rod is arranged between the connecting baffle and the positioning baffle in a penetrating mode, a positioning wedge, a reset spring and a positioning rod are arranged on the hanging rod, limiting parts for limiting the position of the positioning rod are correspondingly arranged on the hanging rod on the two sides of the positioning rod, and a positioning long-strip hole is formed in the fixed triangular plate on the opposite outer side. The positioning long-strip-shaped hole is in an inverted-L shape, and the positioning rod extends out of the positioning long-strip-shaped hole. The adjusting arm has a simple structure, is convenient and practical, can quickly realize hooking and dismounting, is convenient for subsequent maintenance, saves a large amount of dismounting and assembling time, and ensures the strength of the adjusting arm at the same time.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of loader equipment technology, and in particular to a front-mounted mechanism for a loader. Background Technology

[0002] A loader is a type of earthmoving machinery widely used in construction projects such as highways, railways, buildings, hydropower, ports, and mines. It is mainly used for shoveling and loading loose materials such as soil, sand, gravel, lime, and coal. It can also perform light shoveling operations on ores and hard soil. With different auxiliary working devices, it can also perform bulldozing, lifting, and loading and unloading of other materials such as timber. In road construction, especially in high-grade highway construction, loaders are used for filling and excavating roadbeds, collecting and loading asphalt mixtures and cement concrete materials. In addition, they can also perform operations such as pushing and transporting soil, leveling the ground, and towing other machinery. Loaders have advantages such as fast operating speed, high efficiency, good maneuverability, and easy operation. The loader bucket is hinged to the bucket cylinder via a connecting rod and rocker arm for loading and unloading materials. However, existing loaders have the following problems: when assembling the boom, a special mounting device is required, but the existing mounting device has certain structural design defects. The mounting installation structure is complex and has poor stability. At the same time, the connection strength between the mounting structure and the power drive structure is insufficient. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a front-mounted mechanism for a loader. This mechanism is simple in structure, convenient and practical, and can quickly achieve attachment and disassembly, facilitating subsequent maintenance, saving a significant amount of disassembly and assembly time, while ensuring the strength of the adjusting arm.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A front-mounted mechanism for a loader includes symmetrically arranged, V-shaped adjustable arms. A connecting seat is rotatably mounted at one end of each adjustable arm, and a bucket is rotatably mounted at the other end. A swing adjustment seat is fixedly mounted at the inflection point of each adjustable arm, and the swing adjustment seat is connected to the connecting seat via a swing hydraulic rod. A positioning adjustment seat is located on the upper part of the swing adjustment seat, and a positioning hydraulic rod connected to the bucket via a support component is mounted on the positioning adjustment seat. A hydraulic pump, powered by the swing hydraulic rod and the positioning hydraulic rod, is located between the adjustable arms.

[0006] The positioning adjustment seat and the connecting seat are also connected by a balance bar, which can be snapped onto the adjusting arm. The connecting seat includes symmetrically arranged fixed triangular plates. A connecting baffle and a positioning baffle are provided between the fixed triangular plates. A hook rod passes through between the connecting baffle and the positioning baffle. A positioning wedge is provided on the hook rod outside the positioning baffle. A return spring is provided on the hook rod outside the connecting baffle. A positioning rod is fitted on the hook rod between the connecting baffle and the positioning baffle. Limiting components that limit the position of the positioning rod are provided on the hook rods on both sides of the positioning rod. A positioning elongated hole is opened on the outer fixed triangular plate. The positioning elongated hole is inverted L-shaped. The positioning rod extends out of the positioning elongated hole.

[0007] The beneficial effects of this utility model are as follows: When the operator attaches the front part to the loader, the positioning wedge is aligned with the corresponding position. Then, the positioning rod is moved on the positioning elongated hole. The movement of the positioning rod drives the movement of the attachment rod, which in turn drives the movement of the positioning wedge. When the positioning rod moves to the bend of the positioning elongated hole, the positioning wedge is engaged in the corresponding position. Moving the positioning rod downwards makes it vertical in the positioning elongated hole, thereby fixing the position of the positioning rod and the positioning wedge. This allows for quick attachment and disassembly, facilitating subsequent maintenance and saving a significant amount of disassembly and assembly time. The balance bar increases the strength of the adjusting arm and is aesthetically pleasing.

[0008] As an improved technical solution, the connecting baffle includes an L-shaped connecting plate, an inclined connecting plate, and a vertical baffle. The L-shaped connecting plate is arranged from top to bottom, the vertical baffle is arranged parallel to the positioning baffle, and the inclined connecting plate is connected to the L-shaped connecting plate and the vertical baffle in sequence from top to bottom.

[0009] As an improved technical solution, the limiting component includes a fixing hole on one side of the positioning rod, the fixing hole being located near the return spring, and the limiting rod can be inserted into the fixing hole.

[0010] As an improved technical solution, the balance bar includes a bar body, the lower part of which is fitted to the upper part of the adjusting arm, and protective plates are symmetrically provided on the lower part of the bar body. The distance between the protective plates is adapted to the thickness of the adjusting arm.

[0011] As an improved technical solution, the bucket includes a bucket body, one end of which is provided with a plurality of spaced-apart shovel teeth, and the other end of which is provided with a rotating seat that is rotatably connected to the adjusting arm.

[0012] As an improved technical solution, the supporting component includes a support plate and a support rod. One end of the support plate is rotatably mounted on the side wall of the adjusting arm, and the other end of the support plate is rotatably connected to the piston rod of the positioning hydraulic rod. One end of the support rod is rotatably connected to the piston rod of the positioning hydraulic rod, and the other end of the support rod is rotatably connected to the rotating seat.

[0013] As an improved technical solution, the positioning adjustment seat is provided with a scale sleeve, and a scale is inserted through the scale sleeve. The lower end of the scale is rotatably connected to the piston rod of the positioning hydraulic rod. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure from the main view direction of this utility model;

[0015] Figure 2 yes Figure 1 A structural diagram viewed from below;

[0016] Figure 3 yes Figure 1 A top-down structural diagram;

[0017] Figure 4 yes Figure 2 A cross-sectional view of part A;

[0018] Legend:

[0019] 1. Adjusting arm, 2. Connecting seat, 3. Bucket, 4. Swing adjusting seat, 5. Swing hydraulic rod, 6. Positioning adjusting seat, 701. Support plate, 702. Support rod, 8. Positioning hydraulic rod, 9. Hydraulic pump, 101. Rod body, 102. Protective plate, 11. Fixed triangular plate, 12. L-shaped connecting plate, 13. Slanted connecting plate, 14. Vertical baffle, 15. Positioning baffle, 16. Hanging rod, 17. Positioning wedge, 18. Return spring, 19. Positioning rod, 20. Positioning elongated hole, 22. Fixing hole, 23. Shovel teeth, 24. Rotating seat, 25. Standard sleeve, 26. Scale. Detailed Implementation

[0020] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0021] Reference Figures 1-4As shown, a front-mounted mechanism of a loader includes symmetrically arranged adjusting arms 1 with a V-shaped side profile. A connecting seat 2 is rotatably mounted at one end of the adjusting arm 1, and a bucket 3 is rotatably mounted at the other end. A swing adjusting seat 4 is fixedly mounted at the inflection point of the adjusting arm 1. The swing adjusting seat 4 is connected to the connecting seat 2 via a swing hydraulic rod 5. The piston rod of the swing hydraulic rod 5 extends and retracts, causing the adjusting arm 1 to rotate on the connecting seat 2. A positioning adjusting seat 6 is provided on the upper part of the swing adjusting seat 4. A positioning hydraulic rod 8, connected to the bucket 3 via a support component, is provided on the positioning adjusting seat 6. The piston rod of the positioning hydraulic rod 8 extends and retracts, causing the bucket 3 to rotate on the adjusting arm 1. The support component includes a support plate 701 and a support rod 702. One end of the support plate 701 is rotatably mounted on the side wall of the adjusting arm, and the other end of the support plate 701 is rotatably connected to the piston rod of the positioning hydraulic rod 8. One end of the support rod 702 is rotatably connected to the piston rod of the positioning hydraulic rod 8, and the other end of the support rod 702 is rotatably connected to the rotating seat 24. A hydraulic pump 9, which is poweredly connected to the swing hydraulic rod 5 and the positioning hydraulic rod 8, is provided between the adjusting arms. The bucket 3 includes a bucket body, one end of which is provided with a plurality of spaced-apart shovel teeth 23, and the other end of which is provided with a rotating seat 24 rotatably connected to the adjusting arm 1. A scale sleeve 25 is provided on the positioning adjusting seat 6, and a scale 26 is passed through the scale sleeve 25. The lower end of the scale 26 is rotatably connected to the piston rod of the positioning hydraulic rod 8.

[0022] The positioning adjustment seat 6 and the connecting seat 2 are also connected by a balance bar. The balance bar can be snapped onto the adjusting arm 1. The balance bar includes a rod body 101, the lower part of which is fitted against the upper part of the adjusting arm 1. Protective plates 102 are symmetrically arranged on the lower part of the rod body 101, and the distance between the protective plates 102 is adapted to the thickness of the adjusting arm 1. The balance bar increases the strength of the adjusting arm 1 and also covers it, enhancing its aesthetics. The connecting seat 2 includes symmetrically arranged fixed triangular plates 11. A connecting baffle and a positioning baffle 15 are provided between the fixed triangular plates 11. The connecting baffle includes an L-shaped connecting plate 12, an oblique connecting plate 13, and a vertical baffle 14. The L-shaped connecting plate 12 is arranged from top to bottom. The vertical baffle 14 is parallel to the positioning baffle 15. The oblique connecting plate 13 connects the L-shaped connecting plate 12 and the vertical baffle 14 sequentially from top to bottom. A hanging rod 16 passes through the connecting baffle and the positioning baffle 15, located outside the positioning baffle 15. The hook rod 16 is provided with a positioning wedge 17. A return spring 18 is provided on the hook rod 16 located outside the connecting baffle. A positioning rod 19 is fitted onto the hook rod 16 between the connecting baffle and the positioning baffle 15. Limiting components that define the position of the positioning rod 19 are provided on the hook rod 16 on both sides of the positioning rod 19. Each limiting component includes a fixing hole 22 on one side of the positioning rod 19, located near the return spring 18. The limiting rod can be inserted into the fixing hole 22. A positioning elongated hole 20 is provided on the outermost fixing triangular plate 11. The positioning elongated hole 20 is inverted L-shaped, and the positioning rod 19 extends out of the positioning elongated hole 20.

[0023] When using this utility model, the operator attaches the front part to the loader, aligns the positioning wedge 17 with the corresponding position, and then moves the positioning rod 19 on the positioning elongated hole 20. The movement of the positioning rod 19 drives the movement of the hook rod 16, which in turn drives the movement of the positioning wedge 17. When the positioning rod 19 moves to the bend of the positioning elongated hole 20, the positioning wedge 17 is engaged in the corresponding position. Moving the positioning rod 19 downwards makes it vertical in the positioning elongated hole 20, thereby fixing the position of the positioning rod 19 and the positioning wedge 17. This allows for quick attachment and disassembly, facilitating subsequent maintenance and saving a significant amount of disassembly and assembly time. The balance bar increases the strength of the adjusting arm 1 and is aesthetically pleasing.

[0024] 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 front end mechanism of a loader, characterized by, The adjusting arm (1) is symmetrically arranged and is arranged in V shape on the side, one end of the adjusting arm (1) is rotatably installed with a connecting seat (2), the other end of the adjusting arm (1) is rotatably installed with a shovel (3), the inflection point of the adjusting arm (1) is fixedly installed with a swing adjusting seat (4), the swing adjusting seat (4) and the connecting seat (2) are connected through a swing hydraulic rod (5), the upper part of the swing adjusting seat (4) is provided with a positioning adjusting seat (6), the positioning adjusting seat (6) is provided with a positioning hydraulic rod (8) connected with the shovel (3) through a supporting part, the adjusting arms are provided with a hydraulic pump (9) connected with the swing hydraulic rod (5) and the positioning hydraulic rod (8) in power, The positioning adjusting seat (6) and the connecting seat (2) are further connected through a balance bar, the balance bar can be clamped on the adjusting arm (1), the connecting seat (2) comprises symmetrically arranged fixed triangular plates (11), the fixed triangular plates (11) are provided with a connecting baffle and a positioning baffle (15), the connecting baffle and the positioning baffle (15) are provided with a hanging rod (16), the positioning wedge (17) is arranged on the hanging rod (16) outside the positioning baffle (15), the reset spring (18) is arranged on the hanging rod (16) outside the connecting baffle, the positioning rod (19) is sleeved on the hanging rod (16) between the connecting baffle and the positioning baffle (15), the limiting parts for limiting the position of the positioning rod (19) are correspondingly arranged on the hanging rods (16) on the two sides of the positioning rod (19), the positioning long slot (20) is formed in the fixed triangular plate (11) on the opposite side, the positioning long slot (20) is arranged in inverted L shape, and the positioning rod (19) extends out of the positioning long slot (20).

2. A front end mechanism for a loader as set forth in claim 1, characterized in that The connecting baffle comprises an L-shaped connecting plate (12), an inclined connecting plate (13) and a vertical baffle (14), the L-shaped connecting plate (12) is arranged from top to bottom, the vertical baffle (14) is arranged in parallel with the positioning baffle (15), and the inclined connecting plate (13) is sequentially connected with the L-shaped connecting plate (12) and the vertical baffle (14) from top to bottom.

3. A front end mechanism for a loader as set forth in claim 1, wherein, The limiting part comprises a fixed hole (22) formed on one side of the positioning rod (19), the fixed hole (22) is arranged close to the reset spring (18), and the limiting rod can be inserted into the fixed hole (22).

4. A front end mechanism for a loader as set forth in claim 3, wherein, The balance bar comprises a rod body (101), the lower part of the rod body (101) is arranged in close contact with the upper part of the adjusting arm (1), and the lower part of the rod body (101) is symmetrically provided with protective plates (102), and the distance between the protective plates (102) is adapted to the thickness of the adjusting arm (1).

5. A front end mechanism for a loader as set forth in claim 4, wherein, The shovel (3) comprises a bucket body, a plurality of interval arranged digging teeth (23) are arranged at one end of the bucket body, and a rotating seat (24) rotatably connected with the adjusting arm (1) is arranged at the other end of the bucket body.

6. A front end mechanism for a loader as set forth in claim 5, wherein, The support component comprises a support plate (701) and a support rod (702), one end of the support plate (701) is rotatably installed on the side wall of the adjusting arm, the other end of the support plate (701) is rotatably connected with the piston rod of the positioning hydraulic rod (8), one end of the support rod (702) is rotatably connected with the piston rod of the positioning hydraulic rod (8), and the other end of the support rod (702) is rotatably connected with the rotating seat (24).

7. A front end mechanism for a loader as set forth in claim 6, wherein, A mark sleeve (25) is arranged on the positioning adjusting seat (6), a scale (26) is arranged on the mark sleeve (25), and the lower end of the scale (26) is rotatably connected with the piston rod of the positioning hydraulic rod (8).