Hydraulic electromagnetic chuck for excavator

By designing limit components in hydraulic electromagnetic suction cups, the problem of difficulty in limit fixing of limit pins is solved, the firmness of chain installation is improved, and the stability of equipment is enhanced.

CN222477593UActive Publication Date: 2025-02-14SHANDONG SHENGWANG BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202323384253.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-12
Publication Date
2025-02-14
Estimated Expiration
2033-12-12

AI Technical Summary

Technical Problem

When used in the existing hydraulic electromagnetic suction cups for excavators, it is difficult to fix the limit pins, resulting in the chain not being installed firmly, and there are limitations during use.

Method used

A hydraulic electromagnetic suction cup including a limiting assembly is designed. Through limiting plate, limiting card slot, fixing ring slot and connecting block, the fixing pin is achieved to ensure the firmness of the chain installation.

Benefits of technology

Through the design of the limiting component, the fixing effect of the limiting pin after the engaging installation is achieved, the connection between the chain and the electromagnetic suction cup body is improved, and the occurrence of separation is reduced.

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Abstract

The hydraulic electromagnetic chuck for the excavator comprises an electromagnetic chuck body, mounting bases are fixed to the top end face of the electromagnetic chuck body at equal angles, limiting insertion holes are symmetrically formed in the surfaces of the side edges of the mounting bases, and limiting plug pins are clamped in the limiting insertion holes in a penetrating mode. A limiting assembly is arranged on the surface of one side of the mounting seat; through the designed limiting assembly, the purpose of limiting and fixing a limiting plug pin after clamping installation is conveniently achieved, the end portion of the limiting plug pin is not prone to being separated from the interior of a limiting insertion hole after the chain is fixed through the limiting plug pin, the chain can be firmly installed, the situation that an electromagnetic chuck body is separated from the chain is not prone to occurring, and practicability is good; through the designed cleaning assembly, the bottom end face of the electromagnetic chuck body can be cleaned conveniently, soil cannot be attached to the bottom end face of the electromagnetic chuck body, operation is convenient and fast, workers do not need to use other cleaning tools for cleaning, functionality is improved, and the practical effect is good.
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Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic electromagnetic suckers, in particular to a hydraulic electromagnetic sucker for an excavator. Background Art

[0002] An excavator, also known as an excavating machine or a backhoe, is an earth-moving machine that uses a bucket to dig materials above or below the bearing surface and loads them into a transport vehicle or unloads them to a stockpile. When the excavator is digging the soil, there may be metal materials inside the soil, so a special hydraulic electromagnetic suction cup is needed to adsorb some of the excavated metal materials. However, the existing hydraulic electromagnetic suction cup for excavators has problems when in use. The excavator and the electromagnetic suction cup are installed and connected through a chain, and the chain is connected to the mounting seat through a limit pin. However, the limit pin cannot be fixed in a limited position after being installed in a snap-on manner. One end of the limit pin is easily separated from the inside of the limit socket, which will affect the firmness of the chain installation. There are limitations when in use, and there is room for improvement. Utility Model Content

[0003] The purpose of the utility model is to provide a hydraulic electromagnetic suction cup for an excavator to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hydraulic electromagnetic suction cup for an excavator, comprising an electromagnetic suction cup body, a mounting seat being fixed at equal angles on the top surface of the electromagnetic suction cup body, limiting holes being symmetrically provided on the side surfaces of the mounting seat, a limiting pin being inserted through the inside of the limiting hole and engaging therewith, and a limiting component being provided on one side surface of the mounting seat.

[0005] The limit assembly includes a limit plate arranged on one side surface of the mounting seat, a limit slot is provided on the bottom end surface of the limit plate, the limit slot is engaged with one end of the limit pin, a side surface of one end of the limit pin is provided with a fixed ring groove for the limit plate to engage, a connecting block is installed on the inner surface of the limit plate, and a movable groove for the connecting block to move is provided on one side surface of the top end surface of the mounting seat.

[0006] As a further preferred embodiment of the present technical solution, a limiting plate is fixed on the top of the inner wall of the movable groove, and the top-view cross-sections of the movable groove and the connecting block are both "T"-shaped.

[0007] As a further preferred embodiment of the present technical solution, a limiting slot is provided on the top of the outer surface of the limiting plate, and the surface width of the limiting plate is greater than the inner diameter of the opening of the limiting socket.

[0008] As a further preferred embodiment of the present technical solution, a surface groove is provided on the bottom end surface of the electromagnetic chuck body, so that the cross section of the limit latch is "T"-shaped.

[0009] As a further preferred embodiment of the present technical solution, a cleaning assembly is provided inside the surface groove, and the cleaning assembly includes a cleaning scraper arranged inside the surface groove, mounting blocks are symmetrically fixed at both ends of the cleaning scraper, and the inner wall of the surface groove is symmetrically provided with limiting ring grooves for the movement of the mounting blocks.

[0010] As a further preferred embodiment of the present technical solution, the surface width of the cleaning scraper is equal to the inner wall depth of the surface groove, and the cleaning scraper is made of metal.

[0011] The utility model provides a hydraulic electromagnetic sucker for an excavator, which has the following beneficial effects:

[0012] 1. The utility model is convenient for achieving the purpose of limiting and fixing the limit pin after the limit pin is installed by means of the designed limit assembly, so that the end of the limit pin is not easily separated from the inside of the limit pin hole after the chain is fixed, so that the chain can be installed firmly and the electromagnetic suction cup body is not easily separated from the chain, and the utility model has good practicality.

[0013] 2. The cleaning component designed in the utility model facilitates the cleaning of the bottom end surface of the electromagnetic chuck body, so that no soil will adhere to the bottom end surface of the electromagnetic chuck body. The operation is convenient and quick, and workers do not need to use other cleaning tools for cleaning. The functionality is improved and the practical effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the installation structure of the limit assembly in the utility model;

[0016] Figure 3 for Figure 2 A magnified schematic diagram of the middle A area;

[0017] Figure 4 This is a schematic diagram of the installation structure of the cleaning component in the utility model;

[0018] In the figure: 1. Electromagnetic suction cup body; 2. Mounting seat; 3. Limiting hole; 4. Limiting pin; 5. Limiting plate; 6. Moving groove; 7. Limiting piece; 8. Fixed ring groove; 9. Limiting card groove; 10. Connecting block; 11. Limiting slot; 12. Surface groove; 13. Cleaning scraper; 14. Mounting card block; 15. Limiting ring groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] The utility model provides a technical solution: Figure 1 , Figure 2 and Figure 3 As shown, in this embodiment, a hydraulic electromagnetic suction cup for an excavator includes an electromagnetic suction cup body 1, a mounting seat 2 is fixed at an equal angle on the top surface of the electromagnetic suction cup body 1, a limiting plug hole 3 is symmetrically provided on the side surface of the mounting seat 2, a limiting plug pin 4 is inserted through the inside of the limiting plug hole 3, a surface groove 12 is provided on the bottom end surface of the electromagnetic suction cup body 1, so that the cross section of the limiting plug pin 4 is "T"-shaped, a limiting component is provided on one side surface of the mounting seat 2, the limiting component includes a limiting plate 5 provided on one side surface of the mounting seat 2, a limiting card slot 9 is provided on the bottom end surface of the limiting plate 5, the limiting card slot 9 is card-engaged with one end of the limiting plug pin 4, and a limiting card slot 9 is provided on the side surface of one end of the limiting plug pin 4 A fixed ring groove 8 is provided for the limit plate 5 to be engaged, and a connecting block 10 is installed on the inner surface of the limit plate 5. A movable groove 6 for the connecting block 10 to move is provided on one side of the top surface of the mounting seat 2. A limiting plate 7 is fixed to the top of the inner wall of the movable groove 6. The top cross-sections of the movable groove 6 and the connecting block 10 are both "T"-shaped. A limiting slot 11 is provided on the top of the outer surface of the limit plate 5. The surface width of the limit plate 5 is larger than the inner diameter of the opening of the limit socket 3, which is convenient for the limit pin 4 to be installed in a limited manner, so that one end of the limit pin 4 is not easily separated from the inside of the limit socket 3, which is convenient for improving the firmness of the connection between the chain and the electromagnetic suction cup body 1, and has good practicality.

[0021] like Figure 1 and Figure 4 As shown, a cleaning component is provided inside the surface groove 12, and the cleaning component includes a cleaning scraper 13 arranged inside the surface groove 12, and mounting blocks 14 are symmetrically fixed at both ends of the cleaning scraper 13, and the inner wall of the surface groove 12 is symmetrically provided with limit ring grooves 15 for the mounting blocks 14 to move. The surface width of the cleaning scraper 13 is equal to the depth of the inner wall of the surface groove 12. The cleaning scraper 13 is made of metal material, which is convenient for cleaning the bottom end surface of the electromagnetic suction cup body 1. The operation is convenient and quick, so that there is no soil attached to the bottom end surface of the electromagnetic suction cup body 1, avoiding affecting the magnetic suction effect of the electromagnetic suction cup body 1, and the practical effect is good.

[0022] The utility model provides a hydraulic electromagnetic suction cup for an excavator, and the specific working principle is as follows: when the chain needs to be installed and connected with the mounting seat 2, the utility model first engages one end of the chain toward the inner side of the mounting seat 2, and then pushes the limiting pin 4 to move toward one side surface of the mounting seat 2, so that one end surface of the limiting pin 4 is aligned with the opening of the limiting plug hole 3 on the one side surface of the mounting seat 2, and then continues to push the limiting pin 4, so that one end of the limiting pin 4 passes through the interior of one of the limiting plug holes 3, and one end of the limiting pin 4 will penetrate and engage with one end of the chain, and then it is necessary to insert a finger into the interior of the limiting slot 11, so that the limiting plate 5 moves on the other side surface of the mounting seat 2, at this time, the limiting plate 5 will drive the connecting block 10 to move inside the moving groove 6, until the top surface of the connecting block 10 is fitted and connected with the bottom surface of the limiting plate 7, and then one end of the limiting pin 4 passes through the interior of another limiting plug hole 3, until the limiting pin 4 and the mounting seat 2 are limited and engaged. After that, the limiting plate 5 is pushed to move toward the surface of one end of the limiting plug 4, so that the limiting slot 9 is limitedly engaged with one end of the limiting plug 4, and the limiting plate 5 will be limitedly engaged to the inside of the fixing ring groove 8 on the side surface of one end of the limiting plug 4, so that the limiting plate 5 can limit and fix the end of the limiting plug 4, so that the end of the limiting plug 4 is not easy to be separated from the inside of the limiting plug hole 3 after the locking installation, which is convenient for improving the firmness of the installation connection between the chain and the mounting seat 2, and the practicality is good; when the bottom end surface of the electromagnetic suction cup body 1 needs to be cleaned, the middle part of the cleaning scraper 13 is first pulled, so that the cleaning scraper 13 can be moved inside the surface groove 12, and at the same time, the installation block 14 at the end of the cleaning scraper 13 will slide inside the limiting ring groove 15, and when the cleaning scraper 13 moves, the soil attached to the bottom end surface of the electromagnetic suction cup body 1 can be scraped and cleaned, which is convenient and quick to operate, avoids affecting the magnetic suction effect of the electromagnetic suction cup body 1, and has a good practical effect.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hydraulic electromagnetic chuck for an excavator, comprising an electromagnetic chuck body (1), a mounting seat (2) being fixed at equal angles on the top surface of the electromagnetic chuck body (1), a limiting insertion hole (3) being symmetrically provided on the side surface of the mounting seat (2), a limiting latch (4) being inserted through the inside of the limiting insertion hole (3) and engaging therewith, characterized in that: A limiting component is provided on one side surface of the mounting seat (2); The limiting assembly comprises a limiting plate (5) arranged on one side surface of the mounting seat (2); a limiting slot (9) is provided on the bottom end surface of the limiting plate (5); the limiting slot (9) is engaged with one end of the limiting latch (4); a fixed ring groove (8) is provided on the side surface of one end of the limiting latch (4) for the limiting plate (5) to engage; a connecting block (10) is installed on the inner side surface of the limiting plate (5); and a movable groove (6) is provided on the side surface of the top end surface of the mounting seat (2) for the connecting block (10) to move.

2. The hydraulic electromagnetic chuck for excavator according to claim 1, characterized in that: A limiting plate (7) is fixed to the top of the inner wall of the movable groove (6), and the movable groove (6) and the connecting block (10) are both T-shaped in top view.

3. The hydraulic electromagnetic chuck for excavator according to claim 1, characterized in that: A limiting slot (11) is provided at the top of the outer surface of the limiting plate (5), and the surface width of the limiting plate (5) is greater than the inner diameter of the opening of the limiting insertion hole (3).

4. The hydraulic electromagnetic chuck for excavator according to claim 1, characterized in that: The bottom end surface of the electromagnetic suction cup body (1) is provided with a surface groove (12), so that the cross section of the limiting latch (4) is in a "T" shape.

5. The hydraulic electromagnetic chuck for excavator according to claim 4, characterized in that: A cleaning assembly is arranged inside the surface groove (12), and the cleaning assembly comprises a cleaning scraper (13) arranged inside the surface groove (12), mounting blocks (14) are symmetrically fixed at both ends of the cleaning scraper (13), and a limiting ring groove (15) for the mounting block (14) to move is symmetrically opened on the inner wall of the surface groove (12).

6. The hydraulic electromagnetic chuck for excavator according to claim 5, characterized in that: The surface width of the cleaning scraper (13) is equal to the inner wall depth of the surface groove (12), and the cleaning scraper (13) is made of metal material.