Bucket connecting structure

The design of the limiting sleeve and the docking column solves the problem of inconvenient disassembly and assembly caused by the heavy weight of the connection structure between the bucket and the excavator boom, and realizes the quick replacement and convenient installation of the bucket.

CN223880403UActive Publication Date: 2026-02-06GUANGRUI INTELLIGENT EQUIPMENT (LINYI) CO LTD
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Patent Information

Application Number
CN202520167001.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-24
Publication Date
2026-02-06
Estimated Expiration
2035-01-24

AI Technical Summary

Technical Problem

The existing connection structure between the bucket and the excavator boom is heavy, making disassembly and assembly inconvenient and preventing quick bucket replacement.

Method used

The structure employs a limiting sleeve and a docking column. The limiting sleeve supports the docking column after the ear plate is pulled out. The sliding connection of the limiting groove and the limiting block enables the linear movement and stable insertion of the docking column, simplifying the installation process of the bucket and the connecting arm.

Benefits of technology

It improves the ease of disassembly and assembly of the bucket, avoids the need for mechanical support when the docking column is heavy, ensures that the docking column does not fall off, and enhances the convenience of installation and operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is suitable for the technical field of bucket connection, and provides a bucket connecting structure which comprises a bucket and a connecting piece. The two lug plates and the butt joint seat are welded to the top of the bucket, and the butt joint seat is located between the two lug plates; the butt joint holes are formed in the outer side walls of the lug plates; the first pin hole is formed in the top of the butt joint seat; the pin rod is embedded into the pin hole I; the connecting arm frame is arranged on the outer side of the bucket; the connecting hole is formed in the outer side wall of the connecting arm frame; the limiting sleeve is welded to the position, close to the outer side of the connecting hole, of the outer side wall of the connecting arm frame; the limiting block is welded on the inner side wall of the limiting sleeve; the butt-joint column pulled out of the lug plate is supported through the limiting sleeve, the butt-joint column is pulled out of the connecting arm frame, the butt-joint column can be directly pushed to move subsequently to achieve connection between the bucket and the connecting arm frame, additional mechanical equipment does not need to be used for supporting the butt-joint column with large dead weight, and disassembly and assembly of the bucket are facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of bucket connecting, especially relates to a bucket connecting structure. BACKGROUND

[0002] The bucket refers to the bucket installed on the excavator and used, and is divided into backhoe bucket and front shovel bucket according to the working mode, and the backhoe bucket is generally commonly used.

[0003] The bucket needs to be connected with the connecting arm on the excavator, since the bucket needs to carry out high-strength excavation work, plus the large volume of the bucket, in order to guarantee the structural strength of the connecting place of the bucket and the connecting arm, the connecting structure is mostly heavy, in order to adapt to the excavation demand of different scenes, the bucket needs to be disassembled and assembled, the bucket and the connecting arm are inconvenient to disassemble and assemble, and the bucket cannot be quickly replaced.

[0004] Therefore, a bucket connecting structure is provided. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of bucket connecting structure, to solve the above-mentioned problems.

[0006] The utility model is realized as follows, a kind of bucket connecting structure, comprising: bucket;Two ear plates and butt joint seat welded to the top of the bucket, the butt joint seat is located between two ear plates;Butt joint hole being opened in the outer lateral wall of the ear plate;Pin hole one being opened in the top of the butt joint seat;Pin rod embedded in the inside of the pin hole one;Connecting arm frame is located at the position of the outer side of the bucket;Connecting hole being opened in the outer lateral wall of the connecting arm frame;And limit sleeve is welded to the outer lateral wall of the connecting arm frame near the outer side position of connecting hole;Limit block is welded to the inner lateral wall of the limit sleeve;Butt joint column is penetrated through the limit sleeve;Limit slot is opened in the outer lateral wall of the butt joint column near the outer side position of limit block;Baffle disc is integrally formed in one end of the butt joint column;Hanging ring is welded to the outer wall on the side of the baffle disc away from butt joint column;Insertion column is integrally formed in the other end of the butt joint column;Pin hole two is opened in the top of the insertion column.

[0007] Preferably, the outer wall of one side of the butt joint seat is provided with an insertion hole matched with the insertion column, and the insertion hole is in communication with the pin hole one.

[0008] Preferably, the butt joint column is penetrated through the butt joint hole, the connecting hole and the limit sleeve.

[0009] Preferably, the limit block is located in the inside of the limit slot, and the limit block and the limit slot are slidingly connected.

[0010] Preferably, the pin hole one and the pin hole two are located on the same vertical axis, and the pin rod can be penetrated through the pin hole one and the pin hole two.

[0011] Preferably, the outer diameter of the baffle disc is greater than the outer diameter of the limiting sleeve.

[0012] Compared with the prior art, the embodiment of the application has the following beneficial effects:

[0013] The abutment column of the ear plate is supported by the limiting sleeve, and the abutment column pulls out the connecting arm frame, which not only facilitates subsequent direct pushing of the abutment column to move to realize the connection between the bucket and the connecting arm frame, but also does not need to use additional mechanical equipment to support the self-weight abutment column, facilitating disassembly of the bucket, limiting the sliding position of the limiting block by the limiting groove, ensuring that the abutment column will not fall off the limiting sleeve, and enabling the abutment column to move linearly in a non-rotating state, facilitating insertion of the pin rod after the pin hole one and the pin hole two coincide, and improving the convenience of bucket installation operation. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic view of the utility model;

[0015] Figure 2 is a structural schematic view of the connecting arm frame of the utility model;

[0016] Figure 3 is a structural schematic view of the bucket of the utility model;

[0017] Figure 4 is a schematic view of the connecting arm frame and the limiting sleeve of the utility model;

[0018] Figure 5 is a structural schematic view of the abutment column of the utility model.

[0019] In the drawing: 1, bucket; 2, ear plate; 3, abutment seat; 4, abutment hole; 5, pin hole one; 6, pin rod; 7, connecting arm frame; 8, connecting hole; 9, limiting sleeve; 10, limiting block; 11, abutment column; 12, limiting groove; 13, baffle disc; 14, hanging ring; 15, insertion column; 16, pin hole two. DETAILED DESCRIPTION

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the description and claims of this application as well as the above abstract are intended to cover all alternatives, modifications, and equivalents thereof in accordance with the scope of the application as defined by the claims. The terms "comprising", "having", "including", and "containing" used herein are meant to be interpreted in a non-limiting manner.

[0021] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. As will be apparent to those of ordinary skill in the art, embodiments described herein can be combined with other embodiments.

[0022] The utility model embodiment provides a kind of shovel connecting structure, as shown in Figures 1-5 As shown, it comprises shovel 1, the top of shovel 1 is welded with two ear plates 2 and butt joint seat 3, butt joint seat 3 is located between two ear plates 2, butt joint hole 4 is set on the outer wall of one side of ear plate 2, the top of butt joint seat 3 is set with pin hole one 5, pin rod 6 is embedded in the inside of pin hole one 5, the upper position of shovel 1 is provided with connecting arm support 7, connecting hole 8 is welded on the outer wall of one side of connecting arm support 7, and limit sleeve 9 is welded on the outer wall of one side of connecting arm support 7 near the outside position of connecting hole 8, limit block 10 is welded on the inner side wall of limit sleeve 9, and butt joint column 11 is penetrated in the inside of limit sleeve 9, butt joint column 11 is penetrated through butt joint hole 4, connecting hole 8 and limit sleeve 9, limit slot 12 is set on the outer side wall of butt joint column 11 near the outside position of limit block 10, and butt joint column 11 is integrally formed with stop disc 13 on one end, the outer diameter of stop disc 13 is greater than the outer diameter of limit sleeve 9, hanging ring 14 is welded on the outer wall central position of one side of stop disc 13 away from butt joint column 11, and plug column 15 is welded on the central position of the other end of butt joint column 11, pin hole two 16 is set on the top of plug column 15, pin hole one 5 and pin hole two 16 are located on the same vertical axis, pin rod 6 can be penetrated through pin hole one 5 and pin hole two 16, the maximum moving position of plug column 15 is located on the inside of connecting hole 8, and one end of plug column 15 does not protrude from connecting hole 8.

[0023] It needs to be explained that, since shovel needs to carry out high-strength excavation work, plus shovel volume is large, in order to guarantee the structural strength of the connecting place of shovel and connecting arm, connecting structure is mostly heavy, in order to adapt to the excavation demand of different scenes, shovel needs to be disassembled and assembled, and shovel and connecting arm are inconvenient to disassemble and assemble, and shovel cannot be replaced quickly, in the embodiment, limit sleeve 9 supports butt joint column 11 pulled out of ear plate 2, and butt joint column 11 is pulled out of connecting arm support 7, which not only is convenient for subsequent direct pushing of butt joint column 11 to realize the connection between shovel 1 and connecting arm support 7, but also does not need to use additional mechanical equipment to support heavy butt joint column 11, so as to facilitate the disassembly and assembly of shovel 1, limit the sliding position of limit block 10 by limit slot 12, guarantee that butt joint column 11 will not fall off from limit sleeve 9, and also make butt joint column 11 move linearly in a non-rotating state, facilitate the insertion of pin rod 6 after pin hole one 5 and pin hole two 16 coincide, and improve the convenience of shovel 1 installation operation.

[0024] Specifically, in the embodiment, the scheme mainly comprises the abutment seat 3, the limiting sleeve 9 and the abutment column 11. When the bucket 1 is disassembled, the pin rod 6 is pulled out upward, the pin rod 6 is separated from the pin hole one 5 and the pin hole two 16, the insertion column 15 and the abutment seat 3 are disconnected, at this time, the hanging ring 14 is pulled horizontally (the hanging ring 14 can be pulled by a mechanical device, such as a small forklift), the abutment column 11 and the insertion column 15 are pulled horizontally together, the insertion column 15 is separated from the abutment seat 3 until the insertion column 15 is located inside the connecting hole 8, under the limiting of the limiting block 10 and the limiting groove 12, the abutment column 11 cannot fall off from the limiting sleeve 9, and the abutment column 11 does not need to be supported, at this time, after the abutment column 11 is disconnected between the bucket 1 and the connecting arm frame 7, the bucket 1 is removed and another bucket 1 is replaced, when the bucket 1 is installed, the connecting arm frame 7 is controlled to be sleeved outside the two ear plates 2 of the bucket 1, and the abutment hole 4 and the connecting hole 8 are overlapped, at this time, the abutment column 11 is pushed, the insertion column 15 on the abutment column 11 is inserted into the abutment seat 3, and finally the pin rod 6 is inserted into the pin hole two 16 on the insertion column 15 through the pin hole one 5, so that the installation between the bucket 1 and the connecting arm frame 7 is realized.

[0025] As shown in Figure 1 and Figure 3 , a plug hole matched with the insertion column 15 is formed in the outer wall of one side of the abutment seat 3, and the plug hole is in communication with the pin hole one 5.

[0026] In the embodiment, the insertion column 15 can be connected with the abutment seat 3, and the pin rod 6 can be inserted into the pin hole two 16 on the insertion column 15 through the pin hole one 5, so that the insertion column 15 and the abutment seat 3 are connected.

[0027] As shown in Figure 2 , Figure 4 and Figure 5 , the limiting block 10 is located inside the limiting groove 12, and the limiting block 10 and the limiting groove 12 are in sliding connection.

[0028] In the embodiment, the sliding connection can ensure the stability of the movement of the limiting block 10 in the limiting groove 12, the sliding position of the limiting block 10 is limited by the limiting groove 12, the limiting sleeve 9 supports the abutment column 11, the abutment column 11 does not need to be pulled out of the connecting arm frame 7, the subsequent installation of the bucket 1 is facilitated, and the problems that the traditional abutment column 11 needs to be supported by a mechanical device after being pulled out due to the large weight and needs to be positioned after being inserted are avoided.

[0029] It should be noted that for the foregoing embodiments, for the sake of simple description, they are all expressed as a series of action combinations, but those skilled in the art should know that the present application is not limited by the action sequence described, because according to the present application, some steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification all belong to preferred embodiments, and the actions and modules involved are not necessarily necessary for the present application.

[0030] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented by other ways. For example, the device embodiments described above are only illustrative, for example, the division of the above units, actual implementation can have another division way, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point, the coupling or communication connection between the displayed or discussed each other can be through some interface, indirect coupling or communication connection between devices or units, which can be electrical or other forms.

[0031] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they can be located in one place, or they can be distributed on multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment scheme.

[0032] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete or make other adjustments to the features of the embodiments of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope of the present application.

Claims

1. A bucket attachment structure characterized by comprising: The utility model relates to a kind of connecting device of excavator, including: Shovel (1); Two ears (2) and butt joint seat (3) welded on the top of the shovel (1), the butt joint seat (3) is between two ears (2); Butt joint hole (4) is opened in the outer wall of the ear (2); Pin hole one (5) is opened in the top of the butt joint seat (3); Pin rod (6) is embedded in the inside of the pin hole one (5); Connecting arm bracket (7) is located at the outer position of the shovel (1) is equipped with; Connecting hole (8) is opened in the outer wall of the connecting arm bracket (7);And Limiting sleeve (9) is welded on the outer wall of the connecting arm bracket (7) near the outer position of connecting hole (8); Limiting block (10) is welded on the inner wall of the limiting sleeve (9); Butt joint column (11) is passed through the limiting sleeve (9); Limiting slot (12) is opened in the outer wall of the butt joint column (11) near the outer position of limiting block (10); Fender (13) is integrally formed in one end of the butt joint column (11); Hanging ring (14) is welded on the outer wall of the fender (13) away from the side of butt joint column (11); Insertion column (15) is integrally formed in the other end of the butt joint column (11); Pin hole two (16) is opened in the top of the insertion column (15).

2. A bucket attachment structure as claimed in claim 1, characterized in that The outer wall of one side of the butt joint seat (3) is provided with insertion hole matched with insertion column (15), and the insertion hole is communicated with pin hole one (5).

3. A bucket attachment structure as claimed in claim 1, wherein The butt joint column (11) is passed through butt joint hole (4), connecting hole (8) and limiting sleeve (9).

4. A bucket attachment structure as claimed in claim 1, wherein The limiting block (10) is located in the limiting slot (12), and the limiting block (10) and the limiting slot (12) are slidingly connected.

5. A bucket attachment structure as claimed in claim 1, wherein Pin hole one (5) and pin hole two (16) are located on the same vertical axis, and the pin rod (6) can be passed through pin hole one (5) and pin hole two (16).

6. A bucket attachment structure as claimed in claim 1, characterized in that The outer diameter of the fender (13) is greater than the outer diameter of the limiting sleeve (9).